vv/vvMainWindow.cxx

   1 /*=========================================================================
   2   Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
   3
   4   Authors belong to:
   5   - University of LYON              http://www.universite-lyon.fr/
   6   - Léon Bérard cancer center       http://www.centreleonberard.fr
   7   - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
   8
   9   This software is distributed WITHOUT ANY WARRANTY; without even
  10   the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  11   PURPOSE.  See the copyright notices for more information.
  12
  13   It is distributed under dual licence
  14
  15   - BSD        See included LICENSE.txt file
  16   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  17 ===========================================================================**/
  18
  19 #include <algorithm>
  20 #include <QMessageBox>
  21 #include <QInputDialog>
  22 #include <QTimer>
  23 #include "QTreePushButton.h"
  24 #include <QUrl>
  25 #include <QSettings>
  26
  27 // VV include
  28 #include "vvMainWindow.h"
  29 #include "vvHelpDialog.h"
  30 #include "vvRegisterForm.h"
  31 #include "vvDocumentation.h"
  32 #include "vvProgressDialog.h"
  33 #include "vvQDicomSeriesSelector.h"
  34 #include "vvSlicerManager.h"
  35 #include "clitkImageCommon.h"
  36 #include "vvSlicer.h"
  37 #include "vvInteractorStyleNavigator.h"
  38 #include "vvImageWriter.h"
  39 #include "vvSegmentationDialog.h"
  40 #include "vvSurfaceViewerDialog.h"
  41 #include "vvDeformationDialog.h"
  42 #include "vvImageWarp.h"
  43 #include "vvUtils.h"
  44 #include "vvMidPosition.h"
  45 #include "vvMesh.h"
  46 #include "vvStructSelector.h"
  47 #include "vvMeshReader.h"
  48 #include "vvSaveState.h"
  49 #include "vvReadState.h"
  50 #include "clitkConfiguration.h"
  51
  52 // ITK include
  53 #include <itkImage.h>
  54 #include <itkImageFileReader.h>
  55 #include <itkByteSwapper.h>
  56 #include <itkCommand.h>
  57 #include <itkNumericSeriesFileNames.h>
  58
  59 // VTK include
  60 #include <vtkImageData.h>
  61 #include <vtkImageActor.h>
  62 #include <vtkCornerAnnotation.h>
  63 #include <vtkRenderWindow.h>
  64 #include <vtkRenderWindowInteractor.h>
  65 #include <vtkRenderer.h>
  66 #include <vtkRendererCollection.h>
  67 #include <vtkWindowToImageFilter.h>
  68 #include <vtkBMPWriter.h>
  69 #include <vtkTIFFWriter.h>
  70 #include <vtkPNMWriter.h>
  71 #include <vtkPNGWriter.h>
  72 #include <vtkJPEGWriter.h>
  73 #include <vtkGenericMovieWriter.h>
  74 #ifdef CLITK_EXPERIMENTAL
  75 #  include <vvAnimatedGIFWriter.h>
  76 #endif
  77 #ifdef VTK_USE_VIDEO_FOR_WINDOWS
  78 #  include <vtkAVIWriter.h>
  79 #endif
  80 #ifdef VTK_USE_FFMPEG_ENCODER
  81 #  include <vtkFFMPEGWriter.h>
  82 #endif
  83 #ifdef VTK_USE_MPEG2_ENCODER
  84 #  include <vtkMPEG2Writer.h>
  85 #endif
  86 #include <vtkMatrix4x4.h>
  87 #include <vtkTransform.h>
  88
  89 // Standard includes
  90 #include <iostream>
  91 #include <sstream>
  92 #include <iomanip>
  93
  94 #define COLUMN_TREE 0
  95 #define COLUMN_UL_VIEW 1
  96 #define COLUMN_UR_VIEW 2
  97 #define COLUMN_DL_VIEW 3
  98 #define COLUMN_DR_VIEW 4
  99 #define COLUMN_CLOSE_IMAGE 5
 100 #define COLUMN_RELOAD_IMAGE 6
 101 #define COLUMN_IMAGE_NAME 7
 102
 103 #if CLITK_PRIVATE_FEATURES
 104   #define EXTENSIONS "Images ( *.bmp *.png *.jpeg *.jpg *.tif *.mhd *.mha *.hdr *.vox *.his *.xdr *.SCAN *.nii *.nrrd *.nhdr *.usf)"
 105 #else
 106   #define EXTENSIONS "Images ( *.bmp *.png *.jpeg *.jpg *.tif *.mhd *.mha *.hdr *.vox *.his *.xdr *.SCAN *.nii *.nrrd *.nhdr)"
 107 #endif
 108
 109 /*Data Tree values
 110   0,Qt::UserRole full filename
 111   1,Qt::CheckStateRole checkbutton UL View
 112   1,Qt::UserRole overlay, fusion or vector
 113   2,Qt::CheckStateRole checkbutton UR View
 114   3,Qt::CheckStateRole checkbutton DL View
 115   4,Qt::CheckStateRole checkbutton DR View
 116   5,0  short filename
 117   5,Qt::UserRole mSlicerManager id*/
 118
 119 //------------------------------------------------------------------------------
 120 vvMainWindow::vvMainWindow():vvMainWindowBase()
 121 {
 122   setupUi(this); // this sets up the GUI
 123
 124   mInputPathName = "";
 125   mMenuTools = menuTools;
 126   //  mMenuSegmentation = menuSegmentation;
 127   mContextMenu = &contextMenu;
 128   mMenuExperimentalTools = menuExperimental;
 129   mMainWidget = this;
 130   mCurrentTime = -1;
 131   mCurrentSelectedImageId = "";
 132   mCurrentPickedImageId = "";
 133   mCurrentPickedImageIndex = 0;
 134
 135   //Init the contextMenu
 136   this->setContextMenuPolicy(Qt::CustomContextMenu);
 137   contextActions.resize(0);
 138   QAction* actionOpen_new_image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/fileopen.png")),
 139                                   tr("O&pen new Image"));
 140   actionOpen_new_image->setShortcut(QKeySequence(tr("Ctrl+O")));
 141   connect(actionOpen_new_image,SIGNAL(triggered()),this,SLOT(OpenImages()));
 142   contextActions.push_back(actionOpen_new_image);
 143   contextMenu.addSeparator();
 144
 145   QAction* actionClose_Image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/exit.png")),
 146                                tr("Close Current Image"));
 147   connect(actionClose_Image,SIGNAL(triggered()),this,SLOT(CloseImage()));
 148   contextActions.push_back(actionClose_Image);
 149
 150   QAction* actionReload_image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")),
 151                                 tr("Reload Current Image"));
 152   connect(actionReload_image,SIGNAL(triggered()),this,SLOT(ReloadImage()));
 153   contextActions.push_back(actionReload_image);
 154
 155   QAction* actionSave_image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/filesave.png")),
 156                               tr("Save Current Image"));
 157   connect(actionSave_image,SIGNAL(triggered()),this,SLOT(SaveAs()));
 158   contextActions.push_back(actionSave_image);
 159
 160   QAction* actionSave_state = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/filesave.png")),
 161                               tr("Save Current State"));
 162   connect(actionSave_state,SIGNAL(triggered()),this,SLOT(SaveCurrentState()));
 163   contextActions.push_back(actionSave_state);
 164
 165   QAction* actionRead_state = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/filesave.png")),
 166                               tr("Read Saved State"));
 167   connect(actionRead_state,SIGNAL(triggered()),this,SLOT(ReadSavedState()));
 168   contextActions.push_back(actionRead_state);
 169
 170   contextMenu.addSeparator();
 171
 172   contextMenu.addAction(actionAdd_VF_to_current_Image);
 173   contextActions.push_back(actionAdd_VF_to_current_Image);
 174
 175   //QAction* actionAdd_Overlay_to_current_Image = menuOverlay->addAction(QIcon(QString::fromUtf8(":/common/icons/GPSup.png")),
 176   //    tr("Add overlay image to current image"));
 177   contextMenu.addAction(actionAdd_overlay_image_to_current_image);
 178   contextActions.push_back(actionAdd_overlay_image_to_current_image);
 179
 180   contextMenu.addAction(actionAdd_fusion_image);
 181   contextActions.push_back(actionAdd_fusion_image);
 182
 183   contextMenu.addSeparator();
 184   QAction* actionResetMatrix = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/identity.png")),
 185                                                       tr("Reset transformation to identity"));
 186   connect(actionResetMatrix, SIGNAL(triggered()), this,SLOT(ResetTransformationToIdentity()));
 187
 188   // TRIAL DS
 189   /*
 190   QMenu * m = new QMenu(menubar);
 191   m->setTitle("TOTO");
 192   //  m->setObjectName(QString::fromUtf8("TOTOTO"));
 193   contextMenu.addMenu(m);
 194   QAction * a = m->addAction(QIcon(QString::fromUtf8(":/common/icons/GPSup.png")),
 195                      tr("BIDON"));
 196   QAction * b = m->addAction(QIcon(QString::fromUtf8(":/common/icons/GPSup.png")),
 197                      tr("BIDON2"));
 198   m->addAction(a);
 199   m->addAction(b);
 200   connect(a,SIGNAL(triggered()),this,SLOT(AddFusionImage()));
 201   */
 202
 203   //init the DataTree
 204   mSlicerManagers.resize(0);
 205
 206   QStringList header;
 207   header.append("");
 208   header.append("TL");
 209   header.append("TR");
 210   header.append("BL");
 211   header.append("BR");
 212   header.append("");
 213   header.append("");
 214   header.append("Name");
 215
 216   DataTree->setHeaderLabels(header);
 217   DataTree->resizeColumnToContents(COLUMN_TREE);
 218   DataTree->resizeColumnToContents(COLUMN_UL_VIEW);
 219   DataTree->resizeColumnToContents(COLUMN_UR_VIEW);
 220   DataTree->resizeColumnToContents(COLUMN_DL_VIEW);
 221   DataTree->resizeColumnToContents(COLUMN_DR_VIEW);
 222   DataTree->resizeColumnToContents(COLUMN_CLOSE_IMAGE);
 223   DataTree->resizeColumnToContents(COLUMN_RELOAD_IMAGE);
 224   DataTree->resizeColumnToContents(COLUMN_IMAGE_NAME);
 225
 226   viewMode = 1;
 227   documentation = new vvDocumentation();
 228   help_dialog = new vvHelpDialog();
 229   dicomSeriesSelector = new vvDicomSeriesSelector();
 230
 231   inverseButton->setEnabled(0);
 232   actionAdd_overlay_image_to_current_image->setEnabled(0);
 233   actionSave_As->setEnabled(0);
 234   actionAdd_VF_to_current_Image->setEnabled(0);
 235   actionAdd_fusion_image->setEnabled(0);
 236
 237   //init the sliders
 238   verticalSliders.push_back(NOVerticalSlider);
 239   verticalSliders.push_back(NEVerticalSlider);
 240   verticalSliders.push_back(SOVerticalSlider);
 241   verticalSliders.push_back(SEVerticalSlider);
 242
 243   for (int i =0; i < 4; i++)
 244     verticalSliders[i]->hide();
 245
 246   horizontalSliders.push_back(NOHorizontalSlider);
 247   horizontalSliders.push_back(NEHorizontalSlider);
 248   horizontalSliders.push_back(SOHorizontalSlider);
 249   horizontalSliders.push_back(SEHorizontalSlider);
 250
 251   for (int i =0; i < 4; i++)
 252     horizontalSliders[i]->hide();
 253
 254
 255   connect(NOVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(NOVerticalSliderChanged()));
 256   connect(NEVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(NEVerticalSliderChanged()));
 257   connect(SOVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(SOVerticalSliderChanged()));
 258   connect(SEVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(SEVerticalSliderChanged()));
 259
 260   connect(NOHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(NOHorizontalSliderMoved()));
 261   connect(NEHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(NEHorizontalSliderMoved()));
 262   connect(SOHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(SOHorizontalSliderMoved()));
 263   connect(SEHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(SEHorizontalSliderMoved()));
 264
 265   //connect everything
 266   connect(actionCompute_mid_position_image,SIGNAL(triggered()),this,SLOT(ComputeMidPosition()));
 267   connect(actionDeformable_Registration,SIGNAL(triggered()),this,SLOT(ComputeDeformableRegistration()));
 268   connect(actionWarp_image_with_vector_field,SIGNAL(triggered()),this,SLOT(WarpImage()));
 269   connect(actionLoad_images,SIGNAL(triggered()),this,SLOT(OpenImages()));
 270   connect(actionOpen_Dicom,SIGNAL(triggered()),this,SLOT(OpenDicom()));
 271   connect(actionOpen_Dicom_Struct,SIGNAL(triggered()),this,SLOT(OpenDCStructContour()));
 272   connect(actionOpen_VTK_contour,SIGNAL(triggered()),this,SLOT(OpenVTKContour()));
 273   connect(actionOpen_Multiple_Images_As_One,SIGNAL(triggered()),this,SLOT(MergeImages()));
 274   connect(actionSlice_Image_As_Multiple_Images,SIGNAL(triggered()),this,SLOT(SliceImages()));
 275   connect(actionOpen_Image_With_Time,SIGNAL(triggered()),this,SLOT(OpenImageWithTime()));
 276   connect(actionMerge_images_as_n_dim_t, SIGNAL(triggered()), this, SLOT(MergeImagesWithTime()));
 277   connect(actionSave_As,SIGNAL(triggered()),this,SLOT(SaveAs()));
 278   connect(actionSave_current_state,SIGNAL(triggered()),this,SLOT(SaveCurrentState()));
 279   connect(actionRead_saved_state,SIGNAL(triggered()),this,SLOT(ReadSavedState()));
 280   connect(actionExit,SIGNAL(triggered()),this,SLOT(close()));
 281   connect(actionAdd_VF_to_current_Image,SIGNAL(triggered()),this,SLOT(OpenField()));
 282   connect(actionAdd_fusion_image,SIGNAL(triggered()),this,SLOT(SelectFusionImage()));
 283   connect(actionAdd_overlay_image_to_current_image,SIGNAL(triggered()), this,SLOT(SelectOverlayImage()));  connect(actionNavigation_Help,SIGNAL(triggered()),this,SLOT(ShowHelpDialog()));
 284   connect(actionDocumentation,SIGNAL(triggered()),this,SLOT(ShowDocumentation()));
 285   connect(actionRegister_vv,SIGNAL(triggered()),this,SLOT(PopupRegisterForm()));
 286
 287   ///////////////////////////////////////////////
 288   connect(actionSegmentation,SIGNAL(triggered()),this,SLOT(SegmentationOnCurrentImage()));
 289   connect(actionSurface_Viewer,SIGNAL(triggered()),this,SLOT(SurfaceViewerLaunch()));
 290   ///////////////////////////////////////////////
 291
 292   actionNorth_East_Window->setEnabled(0);
 293   actionNorth_West_Window->setEnabled(0);
 294   actionSouth_East_Window->setEnabled(0);
 295   actionSouth_West_Window->setEnabled(0);
 296
 297   connect(actionNorth_East_Window,SIGNAL(triggered()),this,SLOT(SaveNEScreenshot()));
 298   connect(actionNorth_West_Window,SIGNAL(triggered()),this,SLOT(SaveNOScreenshot()));
 299   connect(actionSouth_East_Window,SIGNAL(triggered()),this,SLOT(SaveSEScreenshot()));
 300   connect(actionSouth_West_Window,SIGNAL(triggered()),this,SLOT(SaveSOScreenshot()));
 301   connect(actionSave_all_slices,SIGNAL(triggered()),this,SLOT(SaveScreenshotAllSlices()));
 302
 303   connect(DataTree,SIGNAL(itemSelectionChanged()),this,SLOT(ImageInfoChanged()));
 304   connect(DataTree,SIGNAL(itemClicked(QTreeWidgetItem*, int)),this,
 305           SLOT(DisplayChanged(QTreeWidgetItem*, int)));
 306
 307   connect(viewButton,SIGNAL(clicked()),this, SLOT(ChangeViewMode()) );
 308   connect(windowSpinBox,SIGNAL(editingFinished()),this,SLOT(WindowLevelEdited()));
 309   connect(levelSpinBox,SIGNAL(editingFinished()),this,SLOT(WindowLevelEdited()));
 310   connect(colorMapComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(UpdateColorMap()));
 311   connect(presetComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(UpdateWindowLevel()));
 312   connect(slicingPresetComboBox, SIGNAL(currentIndexChanged(int)),this,SLOT(UpdateSlicingPreset()));
 313   connect(inverseButton,SIGNAL(clicked()),this,SLOT(SwitchWindowLevel()));
 314   connect(applyWindowLevelToAllButton,SIGNAL(clicked()),this,SLOT(ApplyWindowLevelToAllImages()));
 315
 316   connect(this,SIGNAL(customContextMenuRequested(QPoint)),this,SLOT(ShowContextMenu(QPoint)));
 317
 318   connect(linkPanel,SIGNAL(addLink(QString,QString)),this,SLOT(AddLink(QString,QString)));
 319   connect(linkPanel,SIGNAL(removeLink(QString,QString)),this,SLOT(RemoveLink(QString,QString)));
 320   connect(overlayPanel,SIGNAL(VFPropertyUpdated(int,int,int,int,double,double,double)),this,SLOT(SetVFProperty(int,int,int,int,double,double,double)));
 321   connect(overlayPanel,SIGNAL(OverlayPropertyUpdated(int,int,double,double)),
 322           this,SLOT(SetOverlayProperty(int,int,double,double)));
 323   connect(overlayPanel,SIGNAL(FusionPropertyUpdated(int,int,int,double,double, bool)),
 324           this,SLOT(SetFusionProperty(int,int,int,double,double, bool)));
 325   connect(landmarksPanel,SIGNAL(UpdateRenderWindows()),this,SLOT(UpdateRenderWindows()));
 326
 327   playMode = 0;//pause
 328   mFrameRate = 10;
 329   playButton->setEnabled(0);
 330   frameRateLabel->setEnabled(0);
 331   frameRateSpinBox->setEnabled(0);
 332   connect(playButton, SIGNAL(clicked()),this,SLOT(PlayPause()));
 333   connect(frameRateSpinBox, SIGNAL(valueChanged(int)),this,SLOT(ChangeFrameRate(int)));
 334
 335   goToCursorPushButton->setEnabled(0);
 336   connect(goToCursorPushButton, SIGNAL(clicked()),this,SLOT(GoToCursor()));
 337
 338   NOViewWidget->hide();
 339   NEViewWidget->hide();
 340   SOViewWidget->hide();
 341   SEViewWidget->hide();
 342
 343   //Recently opened files
 344   std::list<std::string> recent_files = GetRecentlyOpenedImages();
 345   recentlyOpenedFilesMenu=NULL;
 346   if ( !recent_files.empty() ) {
 347     createRecentlyOpenedFilesMenu();
 348     updateRecentlyOpenedFilesMenu(recent_files);
 349   }
 350
 351   // Adding all new tools (insertion in the menu)
 352   vvToolManager::GetInstance()->InsertToolsInMenu(this);
 353   vvToolManager::GetInstance()->EnableToolsInMenu(this, false);
 354
 355   if (!CLITK_EXPERIMENTAL)
 356     menuExperimental->menuAction()->setVisible(false);
 357
 358
 359   QTimer * timerMemory = new QTimer(this);
 360   //timerMemory->setInterval(5);
 361   connect(timerMemory, SIGNAL(timeout()), this, SLOT(UpdateMemoryUsage()));
 362   timerMemory->start(2000);
 363 }
 364 //------------------------------------------------------------------------------
 365 void vvMainWindow::show()
 366 {
 367   vvMainWindowBase::show();
 368   PopupRegisterForm(true);
 369 }
 370 //------------------------------------------------------------------------------
 371 void vvMainWindow::UpdateMemoryUsage()
 372 {
 373   //  clitk::PrintMemory(true);
 374   if (clitk::GetMemoryUsageInMb() == 0) infoPanel->setMemoryInMb("NA");
 375   else infoPanel->setMemoryInMb(QString::number(clitk::GetMemoryUsageInMb())+" MiB");
 376 }
 377 //------------------------------------------------------------------------------
 378
 379
 380 //------------------------------------------------------------------------------
 381 void vvMainWindow::createRecentlyOpenedFilesMenu()
 382 {
 383   recentlyOpenedFilesMenu = new QMenu("Recently opened files...");
 384   recentlyOpenedFilesMenu->setIcon(QIcon(QString::fromUtf8(":/common/icons/open.png")));
 385   menuFile->insertMenu(actionOpen_Image_With_Time,recentlyOpenedFilesMenu);
 386   menuFile->insertSeparator(actionOpen_Image_With_Time);
 387 }
 388 //------------------------------------------------------------------------------
 389
 390
 391 //------------------------------------------------------------------------------
 392
 393 void vvMainWindow::updateRecentlyOpenedFilesMenu(const std::list<std::string> &recent_files)
 394 {
 395   if(recentlyOpenedFilesMenu==NULL) {
 396     createRecentlyOpenedFilesMenu();
 397   } else {
 398     recentlyOpenedFilesMenu->clear();
 399   }
 400   for (std::list<std::string>::const_iterator i = recent_files.begin(); i!=recent_files.end(); i++) {
 401     QAction* current=new QAction(QIcon(QString::fromUtf8(":/common/icons/open.png")), i->c_str(),this);
 402     recentlyOpenedFilesMenu->addAction(current);
 403     connect(current,SIGNAL(triggered()),this,SLOT(OpenRecentImage()));
 404   }
 405 }
 406 //------------------------------------------------------------------------------
 407
 408
 409 //------------------------------------------------------------------------------
 410 void vvMainWindow::ComputeMidPosition()
 411 {
 412   bool ok;
 413   int index=GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 414   int ref = QInputDialog::getInteger(this,"Chose reference phase","Reference phase",0,0,\
 415                                      mSlicerManagers[index]->GetImage()->GetVTKImages().size()-1,1,&ok);
 416   if (ok) {
 417     vvMidPosition midp;
 418     midp.slicer_manager = mSlicerManagers[index];
 419     midp.reference_image_index = ref;
 420     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 421     midp.Update();
 422     if (midp.error)
 423       QMessageBox::warning(this, "Error computing midposition image",midp.error_message.c_str());
 424     else {
 425       QFileInfo info(midp.slicer_manager->GetFileName().c_str());
 426       AddImage(midp.output,info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_midposition.mhd");
 427     }
 428     QApplication::restoreOverrideCursor();
 429   }
 430 }
 431 //------------------------------------------------------------------------------
 432
 433
 434 //------------------------------------------------------------------------------
 435 void vvMainWindow::AddContour(int image_index, vvMesh::Pointer contour, bool propagation)
 436 {
 437   QTreeWidgetItem *item = new QTreeWidgetItem();
 438   item->setData(0,Qt::UserRole,"filename.vtk");
 439   item->setData(1,Qt::UserRole,tr("contour"));
 440   QBrush brush;
 441   brush.setColor(QColor(contour->r*255,contour->g*255,contour->b*255));
 442   brush.setStyle(Qt::SolidPattern);
 443   item->setData(COLUMN_IMAGE_NAME,Qt::BackgroundRole,brush);
 444   item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,contour->structure_name.c_str());
 445
 446   for (int j = 1; j <= 4; j++)
 447     item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(image_index)->data(j,Qt::CheckStateRole));
 448
 449   QTreePushButton* cButton = new QTreePushButton;
 450   cButton->setItem(item);
 451   cButton->setColumn(COLUMN_CLOSE_IMAGE);
 452   cButton->setToolTip(tr("close image"));
 453   cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
 454   connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 455           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
 456
 457   QTreePushButton* rButton = new QTreePushButton;
 458   rButton->setItem(item);
 459   rButton->setColumn(COLUMN_RELOAD_IMAGE);
 460   rButton->setToolTip(tr("reload image"));
 461   rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
 462   rButton->setEnabled(false);
 463   //Not implemented
 464   //connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 465   //this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
 466
 467   DataTree->topLevelItem(image_index)->setExpanded(1);
 468   DataTree->topLevelItem(image_index)->addChild(item);
 469   DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
 470   DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
 471   QString id = DataTree->topLevelItem(image_index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
 472   item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
 473
 474   UpdateTree();
 475   mSlicerManagers[image_index]->AddContour(contour,propagation);
 476   mSlicerManagers[image_index]->Render();
 477 }
 478 //------------------------------------------------------------------------------
 479
 480
 481 //------------------------------------------------------------------------------
 482 void vvMainWindow::OpenVTKContour()
 483 {
 484   if (mSlicerManagers.size() > 0) {
 485     QString Extensions = "Images ( *.vtk *.obj)";
 486     Extensions += ";;All Files (*)";
 487     QString file = QFileDialog::getOpenFileName(this,tr("Open vtkPolyData"),mInputPathName,Extensions);
 488     if (file.isNull())
 489       return;
 490     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 491     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 492     vvMeshReader reader;
 493     reader.SetImage(mSlicerManagers[index]->GetImage());
 494     reader.SetModeToVTK();
 495     reader.SetFilename(file.toStdString());
 496     reader.Update();
 497     AddContour(index,reader.GetOutput()[0],false);
 498     QApplication::restoreOverrideCursor();
 499   }
 500 }
 501 //------------------------------------------------------------------------------
 502
 503
 504 //------------------------------------------------------------------------------
 505 void vvMainWindow::AddDCStructContour(int index, QString file)
 506 {
 507     vvMeshReader reader;
 508     reader.SetFilename(file.toStdString());
 509     vvStructSelector selector;
 510     selector.SetStructures(reader.GetROINames());
 511     if (!mSlicerManagers[index]->GetVF().IsNull())
 512       selector.EnablePropagationCheckBox();
 513     if (selector.exec()) {
 514       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 515       reader.SetSelectedItems(selector.getSelectedItems());
 516       reader.SetImage(mSlicerManagers[index]->GetImage());
 517       if (selector.PropagationEnabled())
 518         reader.SetPropagationVF(mSlicerManagers[index]->GetVF());
 519       reader.Update();
 520       std::vector<vvMesh::Pointer> contours=reader.GetOutput();
 521       for (std::vector<vvMesh::Pointer>::iterator i=contours.begin();
 522            i!=contours.end(); i++)
 523         AddContour(index,*i,selector.PropagationEnabled());
 524       QApplication::restoreOverrideCursor();
 525     }
 526 }
 527
 528 //------------------------------------------------------------------------------
 529 void vvMainWindow::OpenDCStructContour()
 530 {
 531   if (mSlicerManagers.size() > 0) {
 532     QString Extensions = "Dicom Files ( *.dcm RS*)";
 533     Extensions += ";;All Files (*)";
 534     QString file = QFileDialog::getOpenFileName(this,tr("Merge Images"),mInputPathName,Extensions);
 535     if (file.isNull())
 536       return;
 537     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 538     AddDCStructContour(index, file);
 539   }
 540 }
 541 //------------------------------------------------------------------------------
 542
 543
 544 //------------------------------------------------------------------------------
 545 void vvMainWindow::ComputeDeformableRegistration()
 546 {
 547   if (mSlicerManagers.size() > 0) {
 548     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 549     vvDeformationDialog dialog(index,mSlicerManagers);
 550     if (dialog.exec()) {
 551       std::string base_name=itksys::SystemTools::GetFilenameWithoutExtension(mSlicerManagers[dialog.GetInputFileIndex()]->GetFileName());
 552       AddField(dialog.GetOutput(),dialog.getFieldFile(),dialog.GetInputFileIndex());
 553       WarpImage(dialog.GetSelectedSlicer(),dialog.GetReferenceFrameIndex());
 554     } else
 555       std::cout << "Error or user cancellation while computing deformation field..." << std::endl;
 556   } else QMessageBox::information(this, "Need to open image","You must open an image first.");
 557 }
 558 //------------------------------------------------------------------------------
 559
 560
 561 //------------------------------------------------------------------------------
 562 void vvMainWindow::WarpImage()
 563 {
 564   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 565   if (!mSlicerManagers[index]->GetVF().IsNull()) {
 566     bool ok;
 567     int ref = QInputDialog::getInteger(this,"Chose reference phase","Reference phase",0,0,\
 568                                        mSlicerManagers[index]->GetImage()->GetVTKImages().size()-1,1,&ok);
 569     if (ok) {
 570       WarpImage(mSlicerManagers[index],ref);
 571     }
 572   } else
 573     QMessageBox::warning(this,tr("No vector field"),tr("Sorry, can't warp without a vector field"));
 574 }
 575 //------------------------------------------------------------------------------
 576
 577
 578 //------------------------------------------------------------------------------
 579 void vvMainWindow::WarpImage(vvSlicerManager* selected_slicer,int reference_phase)
 580 {
 581   if (!selected_slicer->GetVF().IsNull()) {
 582     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 583     QFileInfo info(selected_slicer->GetFileName().c_str());
 584     vvImageWarp warp(selected_slicer->GetImage(),selected_slicer->GetVF(),
 585                      reference_phase,this);
 586     if (warp.ComputeWarpedImage()) {
 587       AddImage(warp.GetWarpedImage(),info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_warped.mhd");
 588       AddImage(warp.GetDiffImage()  ,info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_diff.mhd");
 589       AddImage(warp.GetJacobianImage()  ,info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_jacobian.mhd");
 590       QApplication::restoreOverrideCursor();
 591     } else {
 592       QApplication::restoreOverrideCursor();
 593       QMessageBox::warning(this,tr("Different spacings"),tr("The vector field and image spacings must be the same in order to warp."));
 594     }
 595   } else
 596     QMessageBox::warning(this,tr("No vector field"),tr("Sorry, can't warp without a vector field."));
 597 }
 598 //------------------------------------------------------------------------------
 599
 600
 601 //------------------------------------------------------------------------------
 602 vvMainWindow::~vvMainWindow()
 603 {
 604   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
 605     if (mSlicerManagers[i] != NULL)
 606       delete mSlicerManagers[i];
 607   }
 608 }
 609 //------------------------------------------------------------------------------
 610
 611 //------------------------------------------------------------------------------
 612 QTabWidget * vvMainWindow::GetTab()
 613 {
 614   return tabWidget;
 615 }
 616 //------------------------------------------------------------------------------
 617
 618
 619 //------------------------------------------------------------------------------
 620 void vvMainWindow::MergeImages()
 621 {
 622   QString Extensions = EXTENSIONS;
 623   Extensions += ";;All Files (*)";
 624   QStringList files = QFileDialog::getOpenFileNames(this,tr("Merge Images"),mInputPathName,Extensions);
 625   if (files.isEmpty())
 626     return;
 627   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 628   std::vector<std::string> vector;
 629
 630   unsigned int currentDim = 0;
 631   std::vector<double> currentSpacing;
 632   std::vector<int> currentSize;
 633   std::vector<double> currentOrigin;
 634
 635   for (int i = 0; i < files.size(); i++) {
 636     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
 637                                          files[i].toStdString().c_str(), itk::ImageIOFactory::ReadMode);
 638     reader->SetFileName(files[i].toStdString().c_str());
 639     reader->ReadImageInformation();
 640     if (reader)        {
 641       //NOViewWidget->hide();
 642       //NEViewWidget->hide();
 643       //SOViewWidget->hide();
 644       //SEViewWidget->hide();
 645       if (i == 0)
 646         currentDim = reader->GetNumberOfDimensions();
 647       bool IsOk = true;
 648       for (unsigned int j = 0; j < currentDim; j++) {
 649         if (i == 0) {
 650           if (j == 0) {
 651             currentSpacing.resize(currentDim);
 652             currentSize.resize(currentDim);
 653             currentOrigin.resize(currentDim);
 654           }
 655           currentOrigin[j] = reader->GetOrigin(j);
 656           currentSpacing[j] = reader->GetSpacing(j);
 657           currentSize[j] = reader->GetDimensions(j);
 658         } else if (currentDim != reader->GetNumberOfDimensions()
 659                    || currentSpacing[j] != reader->GetSpacing(j)
 660                    || currentSize[j] != (int)reader->GetDimensions(j)
 661                    || currentOrigin[j] != reader->GetOrigin(j)) {
 662           QString error = "Cannot read file (too different from others ";
 663           error += files[i].toStdString().c_str();
 664           QMessageBox::information(this,tr("Reading problem"),error);
 665           IsOk = false;
 666           break;
 667         }
 668       }
 669       if (IsOk)
 670         vector.push_back(files[i].toStdString());
 671     }
 672   }
 673   if (vector.size() > 0)
 674     LoadImages(vector, vvImageReader::MERGED);
 675 }
 676 //------------------------------------------------------------------------------
 677
 678 //------------------------------------------------------------------------------
 679 void vvMainWindow::SliceImages()
 680 {
 681   QString Extensions = EXTENSIONS;
 682   Extensions += ";;All Files (*)";
 683
 684   QStringList files = QFileDialog::getOpenFileNames(this,tr("Slice Images"),mInputPathName,Extensions);
 685   if (files.isEmpty())
 686     return;
 687   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 688   std::vector<std::string> vector;
 689   for (int i = 0; i < files.size(); i++)
 690     vector.push_back(files[i].toStdString());
 691   LoadImages(vector, vvImageReader::SLICED);
 692 }
 693 //------------------------------------------------------------------------------
 694
 695 //------------------------------------------------------------------------------
 696 void vvMainWindow::MergeImagesWithTime()
 697 {
 698   QString Extensions = EXTENSIONS;
 699   Extensions += ";;All Files (*)";
 700   QStringList files = QFileDialog::getOpenFileNames(this,tr("Merge Images With Time"),mInputPathName,Extensions);
 701   if (files.isEmpty())
 702     return;
 703   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 704   std::vector<std::string> vector;
 705
 706   unsigned int currentDim = 0;
 707   std::vector<double> currentSpacing;
 708   std::vector<int> currentSize;
 709   std::vector<double> currentOrigin;
 710
 711   for (int i = 0; i < files.size(); i++) {
 712     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
 713                                          files[i].toStdString().c_str(), itk::ImageIOFactory::ReadMode);
 714     if (reader) {
 715       reader->SetFileName(files[i].toStdString().c_str());
 716       reader->ReadImageInformation();
 717       if (i == 0)
 718         currentDim = reader->GetNumberOfDimensions();
 719       bool IsOk = true;
 720       for (unsigned int j = 0; j < currentDim; j++) {
 721         if (i == 0) {
 722           if (j == 0) {
 723             currentSpacing.resize(currentDim);
 724             currentSize.resize(currentDim);
 725             currentOrigin.resize(currentDim);
 726           }
 727           currentOrigin[j] = reader->GetOrigin(j);
 728           currentSpacing[j] = reader->GetSpacing(j);
 729           currentSize[j] = reader->GetDimensions(j);
 730         } else if (currentDim != reader->GetNumberOfDimensions()
 731                    || currentSpacing[j] != reader->GetSpacing(j)
 732                    || currentSize[j] != (int)reader->GetDimensions(j)
 733                    || currentOrigin[j] != reader->GetOrigin(j)) {
 734           QString error = "Cannot read file (too different from others ";
 735           error += files[i].toStdString().c_str();
 736           QMessageBox::information(this,tr("Reading problem"),error);
 737           IsOk = false;
 738           break;
 739         }
 740       }
 741       if (IsOk)
 742         vector.push_back(files[i].toStdString());
 743     } else {
 744       QString error = "Cannot read file info for ";
 745       error += files[i].toStdString().c_str();
 746       error += "\n";
 747       error += "Maybe you're trying to open an image in an unsupported format?\n";
 748       QMessageBox::information(this,tr("Reading problem"),error);
 749     }
 750   }
 751   sort(vector.begin(),vector.end());
 752   if (vector.size() > 1)
 753     LoadImages(vector, vvImageReader::MERGEDWITHTIME);
 754   else
 755     QMessageBox::warning(this,tr("Reading problem"),"You need to select at least two images to merge images with time.\nIf you only want to open one image, please use the \"Open Image\" function.");
 756 }
 757 //------------------------------------------------------------------------------
 758
 759
 760 //------------------------------------------------------------------------------
 761 void vvMainWindow::OpenDicom()
 762 {
 763   std::vector<std::string> files;
 764
 765   std::cout << "dicomSeriesSelector " << std::endl;
 766   if (dicomSeriesSelector->exec() == QDialog::Accepted) {
 767     files = *(dicomSeriesSelector->GetFilenames());
 768     LoadImages(files, vvImageReader::DICOM);
 769   }
 770 }
 771 //------------------------------------------------------------------------------
 772
 773 //------------------------------------------------------------------------------
 774 void vvMainWindow::OpenImages()
 775 {
 776   QString Extensions = EXTENSIONS;
 777   Extensions += ";;All Files (*)";
 778
 779   QStringList files = QFileDialog::getOpenFileNames(this,tr("Load Images"),mInputPathName,Extensions);
 780   if (files.isEmpty())
 781     return;
 782   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 783   std::vector<std::string> vector;
 784   for (int i = 0; i < files.size(); i++)
 785     vector.push_back(files[i].toStdString());
 786   LoadImages(vector, vvImageReader::IMAGE);
 787 }
 788 //------------------------------------------------------------------------------
 789 void vvMainWindow::OpenRecentImage()
 790 {
 791   QAction * caller = qobject_cast<QAction*>(sender());
 792   std::vector<std::string> images;
 793   images.push_back(caller->text().toStdString());
 794   mInputPathName = itksys::SystemTools::GetFilenamePath(images[0]).c_str();
 795   LoadImages(images, vvImageReader::IMAGE);
 796 }
 797 //------------------------------------------------------------------------------
 798
 799
 800 //------------------------------------------------------------------------------
 801 void vvMainWindow::OpenImageWithTime()
 802 {
 803   QString Extensions = EXTENSIONS;
 804   Extensions += ";;All Files (*)";
 805
 806   QStringList files = QFileDialog::getOpenFileNames(this,tr("Load Images With Time"),mInputPathName,Extensions);
 807   if (files.isEmpty())
 808     return;
 809   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 810   std::vector<std::string> vector;
 811   for (int i = 0; i < files.size(); i++) {
 812     vector.push_back(files[i].toStdString());
 813   }
 814   LoadImages(vector, vvImageReader::IMAGEWITHTIME);
 815 }
 816 //------------------------------------------------------------------------------
 817
 818
 819 //------------------------------------------------------------------------------
 820 void vvMainWindow::LoadImages(std::vector<std::string> files, vvImageReader::LoadedImageType filetype)
 821 {
 822   //Separate the way to open images and dicoms
 823   int fileSize;
 824   if (filetype == vvImageReader::IMAGE || filetype == vvImageReader::IMAGEWITHTIME)
 825     fileSize = files.size();
 826   else
 827     fileSize = 1;
 828
 829   // For SLICED, we need the number of slices (ndim and #slices)
 830   std::vector<unsigned int> nSlices;
 831   nSlices.resize(files.size());
 832   std::fill(nSlices.begin(), nSlices.end(), 1);
 833   if (filetype == vvImageReader::SLICED) {
 834     for (int i = 0; i < fileSize; i++) {
 835       itk::ImageIOBase::Pointer header = clitk::readImageHeader(files[i]);
 836       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 837       if (!header) {
 838         nSlices[i] = 0;
 839         QString error = "Cannot open file \n";
 840         error += files[i].c_str();
 841         QMessageBox::information(this,tr("Reading problem"),error);
 842         return;
 843       }
 844       if (header->GetNumberOfDimensions() < 3) {
 845         nSlices[i] = 0;
 846         QString error = "Dimension problem. Cannot slice \n";
 847         error += files[i].c_str();
 848         QMessageBox::information(this,tr("Reading problem"),error);
 849         return;
 850       }
 851       nSlices[i] = header->GetDimensions( header->GetNumberOfDimensions()-1 );
 852     }
 853   }
 854
 855   //Only add to the list of recently opened files when a single file is opened,
 856   //to avoid polluting the list of recently opened files
 857   if (files.size() == 1) {
 858     QFileInfo finfo=tr(files[0].c_str());
 859     AddToRecentlyOpenedImages(finfo.absoluteFilePath().toStdString());
 860     updateRecentlyOpenedFilesMenu(GetRecentlyOpenedImages());
 861   }
 862   //init the progress events
 863   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 864   vvProgressDialog progress("Opening " + files[0],fileSize>1);
 865   qApp->processEvents();
 866
 867   int numberofsuccesulreads=0;
 868   //open images as 1 or multiples
 869   for (int i = 0; i < fileSize; i++) {
 870
 871     progress.SetText("Opening " + files[i]);
 872     progress.SetProgress(i,fileSize);
 873     qApp->processEvents();
 874
 875     for (unsigned int j = 0; j < nSlices[i]; j++) {
 876       //read the image and put it in mSlicerManagers
 877       vvSlicerManager* imageManager = new vvSlicerManager(4);
 878       qApp->processEvents();
 879
 880       bool SetImageSucceed=false;
 881
 882       // Change filename if an image with the same already exist
 883       int number = GetImageDuplicateFilenameNumber(files[i] + std::string("_slice"));
 884
 885       if (filetype == vvImageReader::IMAGE || filetype == vvImageReader::IMAGEWITHTIME || filetype == vvImageReader::SLICED)
 886         SetImageSucceed = imageManager->SetImage(files[i],filetype, number, j);
 887       else {
 888         SetImageSucceed = imageManager->SetImages(files,filetype, number);
 889       }
 890       if (!SetImageSucceed) {
 891         QApplication::restoreOverrideCursor();
 892         QString error = "Cannot open file \n";
 893         error += imageManager->GetLastError().c_str();
 894         QMessageBox::information(this,tr("Reading problem"),error);
 895         delete imageManager;
 896       } else {
 897         mSlicerManagers.push_back(imageManager);
 898
 899         //create an item in the tree with good settings
 900         QTreeWidgetItem *item = new QTreeWidgetItem();
 901         item->setData(0,Qt::UserRole,files[i].c_str());
 902         QFileInfo fileinfo(imageManager->GetFileName().c_str()); //Do not show the path
 903         item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
 904         item->setData(1,Qt::UserRole,tr("image"));
 905         item->setToolTip(COLUMN_IMAGE_NAME, imageManager->GetListOfAbsoluteFilePathInOneString("image").c_str());
 906         qApp->processEvents();
 907
 908         //Create the buttons for reload and close
 909         qApp->processEvents();
 910         QTreePushButton* cButton = new QTreePushButton;
 911         cButton->setItem(item);
 912         cButton->setColumn(COLUMN_CLOSE_IMAGE);
 913         cButton->setToolTip(tr("close image"));
 914         cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
 915         connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 916                 this,SLOT(CloseImage(QTreeWidgetItem*, int)));
 917
 918         QTreePushButton* rButton = new QTreePushButton;
 919         rButton->setItem(item);
 920         rButton->setColumn(COLUMN_RELOAD_IMAGE);
 921         rButton->setToolTip(tr("reload image"));
 922         rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
 923         connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 924                 this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
 925
 926         DataTree->addTopLevelItem(item);
 927         DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
 928         DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
 929
 930         //set the id of the image
 931         QString id = files[i].c_str() + QString::number(mSlicerManagers.size()-1);
 932         item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
 933         mSlicerManagers.back()->SetId(id.toStdString());
 934
 935         linkPanel->addImage(imageManager->GetFileName(), id.toStdString());
 936
 937         connect(mSlicerManagers.back(), SIGNAL(currentImageChanged(std::string)),
 938                 this,SLOT(CurrentImageChanged(std::string)));
 939         connect(mSlicerManagers.back(), SIGNAL(currentPickedImageChanged(std::string)),
 940                 this, SLOT(CurrentPickedImageChanged(std::string)));
 941         connect(mSlicerManagers.back(), SIGNAL(UpdatePosition(int, double, double, double, double, double, double, double)),
 942                 this,SLOT(MousePositionChanged(int,double, double, double, double, double, double, double)));
 943         connect(mSlicerManagers.back(), SIGNAL(UpdateVector(int, double, double, double, double)),
 944                 this, SLOT(VectorChanged(int,double,double,double, double)));
 945         connect(mSlicerManagers.back(), SIGNAL(UpdateOverlay(int, double, double)),
 946                 this, SLOT(OverlayChanged(int,double,double)));
 947         connect(mSlicerManagers.back(), SIGNAL(UpdateFusion(int, double)),
 948                 this, SLOT(FusionChanged(int,double)));
 949         connect(mSlicerManagers.back(), SIGNAL(WindowLevelChanged()),
 950                 this,SLOT(WindowLevelChanged()));
 951         connect(mSlicerManagers.back(), SIGNAL(UpdateSlice(int,int)),
 952                 this,SLOT(UpdateSlice(int,int)));
 953         connect(mSlicerManagers.back(), SIGNAL(UpdateTSlice(int, int)),
 954                 this,SLOT(UpdateTSlice(int, int)));
 955         connect(mSlicerManagers.back(), SIGNAL(UpdateTSlice(int, int)),
 956                 this,SLOT(ImageInfoChanged()));
 957         connect(mSlicerManagers.back(), SIGNAL(UpdateSliceRange(int,int,int,int,int)),
 958                 this,SLOT(UpdateSliceRange(int,int,int,int,int)));
 959         connect(mSlicerManagers.back(), SIGNAL(UpdateLinkManager(std::string,int,double,double,double,int)),
 960                 this,SLOT(UpdateLinkManager(std::string,int,double,double,double,int)));
 961         connect(mSlicerManagers.back(), SIGNAL(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)),
 962                 this,SLOT(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)));
 963         connect(mSlicerManagers.back(), SIGNAL(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)),
 964                 this,SLOT(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)));
 965         connect(mSlicerManagers.back(),SIGNAL(LandmarkAdded()),landmarksPanel,SLOT(AddPoint()));
 966         InitSlicers();
 967         numberofsuccesulreads++;
 968       }
 969     }
 970   }
 971   if (numberofsuccesulreads) {
 972     NOViewWidget->show();
 973     NEViewWidget->show();
 974     SOViewWidget->show();
 975     SEViewWidget->show();
 976     UpdateTree();
 977     InitDisplay();
 978     ShowLastImage();
 979
 980     // Try to guess default WindowLevel
 981     double range[2];
 982     mSlicerManagers.back()->GetImage()->GetFirstVTKImageData()->GetScalarRange(range);
 983     if ((range[0] == 0) && (range[1] == 1)) {
 984       presetComboBox->setCurrentIndex(5);// binary
 985     } else {
 986       // TODO
 987     }
 988   }
 989   QApplication::restoreOverrideCursor();
 990 }
 991 //------------------------------------------------------------------------------
 992
 993 //------------------------------------------------------------------------------
 994 void vvMainWindow::UpdateTree()
 995 {
 996   DataTree->resizeColumnToContents(COLUMN_TREE);
 997   DataTree->resizeColumnToContents(COLUMN_UL_VIEW);
 998   DataTree->resizeColumnToContents(COLUMN_UR_VIEW);
 999   DataTree->resizeColumnToContents(COLUMN_DL_VIEW);
1000   DataTree->resizeColumnToContents(COLUMN_DR_VIEW);
1001   DataTree->resizeColumnToContents(COLUMN_IMAGE_NAME);
1002   DataTree->resizeColumnToContents(COLUMN_CLOSE_IMAGE);
1003   DataTree->resizeColumnToContents(COLUMN_RELOAD_IMAGE);
1004 }
1005 //------------------------------------------------------------------------------
1006
1007 //------------------------------------------------------------------------------
1008 void vvMainWindow::CurrentImageChanged(std::string id)
1009 {
1010   if (id == mCurrentSelectedImageId) return; // Do nothing
1011   int selected = 0;
1012   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1013     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString().toStdString() == id) {
1014       selected = i;
1015     } else {
1016       DataTree->topLevelItem(i)->setSelected(0);
1017     }
1018     for (int child = 0; child < DataTree->topLevelItem(i)->childCount(); child++)
1019       DataTree->topLevelItem(i)->child(child)->setSelected(0);
1020
1021   }
1022   DataTree->topLevelItem(selected)->setSelected(1);
1023   mCurrentSelectedImageId = id;
1024   emit SelectedImageHasChanged(mSlicerManagers[selected]);
1025 }
1026 //------------------------------------------------------------------------------
1027
1028 //------------------------------------------------------------------------------
1029 void vvMainWindow::CurrentPickedImageChanged(std::string id)
1030 {
1031   if (id == mCurrentPickedImageId) return; // Do nothing
1032   int selected = 0;
1033   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1034     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString().toStdString() == id) {
1035       selected = i;
1036     } else {
1037       DataTree->topLevelItem(i)->setSelected(0);
1038     }
1039     for (int child = 0; child < DataTree->topLevelItem(i)->childCount(); child++)
1040       DataTree->topLevelItem(i)->child(child)->setSelected(0);
1041
1042   }
1043   DataTree->topLevelItem(selected)->setSelected(1);
1044   mCurrentPickedImageId = id;
1045   mCurrentPickedImageIndex = selected;
1046 }
1047 //------------------------------------------------------------------------------
1048
1049 //------------------------------------------------------------------------------
1050 void vvMainWindow::ImageInfoChanged()
1051 {
1052   contextActions[6]->setEnabled(1);
1053   contextActions[5]->setEnabled(1);
1054   actionSave_As->setEnabled(1);
1055   actionAdd_VF_to_current_Image->setEnabled(1);
1056   actionAdd_fusion_image->setEnabled(1);
1057   actionAdd_overlay_image_to_current_image->setEnabled(1);
1058   actionNorth_East_Window->setEnabled(1);
1059   actionNorth_West_Window->setEnabled(1);
1060   actionSouth_East_Window->setEnabled(1);
1061   actionSouth_West_Window->setEnabled(1);
1062   vvToolManager::GetInstance()->EnableToolsInMenu(this, true);
1063   inverseButton->setEnabled(1);
1064
1065   goToCursorPushButton->setEnabled(1);
1066
1067   if (DataTree->selectedItems().size()) {
1068     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1069
1070     colorMapComboBox->setEnabled(1);
1071     for (int i = 0; i < DataTree->topLevelItem(index)->childCount(); i++) {
1072       if (DataTree->topLevelItem(index)->child(i)->data(1,Qt::UserRole).toString() == "overlay" ||
1073           DataTree->topLevelItem(index)->child(i)->data(1,Qt::UserRole).toString() == "fusion") {
1074         colorMapComboBox->setEnabled(0);
1075         break;
1076       }
1077     }
1078
1079     std::vector<double> origin;
1080     std::vector<double> inputSpacing;
1081     std::vector<int> inputSize;
1082     std::vector<double> sizeMM;
1083     vtkSmartPointer<vtkMatrix4x4> transformation;
1084     int dimension=0;
1085     QString pixelType;
1086     QString inputSizeInBytes;
1087     QString image = DataTree->selectedItems()[0]->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1088
1089     if (mSlicerManagers[index]->GetSlicer(0)->GetImage()->GetVTKImages().size() > 1 || playMode == 1) {
1090       playButton->setEnabled(1);
1091       frameRateLabel->setEnabled(1);
1092       frameRateSpinBox->setEnabled(1);
1093     } else {
1094       playButton->setEnabled(0);
1095       frameRateLabel->setEnabled(0);
1096       frameRateSpinBox->setEnabled(0);
1097     }
1098
1099     //read image header
1100     int NPixel = 1;
1101
1102     vvImage::Pointer imageSelected;
1103     if (DataTree->topLevelItem(index) == DataTree->selectedItems()[0]) {
1104       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetImage();
1105     } else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "vector") {
1106       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetVF();
1107     } else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "overlay") {
1108       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetOverlay();
1109     } else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "fusion") {
1110       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetFusion();
1111     }
1112     else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "contour") {
1113       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetImage();
1114     }
1115     else {
1116       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetImage();
1117     }
1118
1119     dimension = imageSelected->GetNumberOfDimensions();
1120     origin.resize(dimension);
1121     inputSpacing.resize(dimension);
1122     inputSize.resize(dimension);
1123     sizeMM.resize(dimension);
1124     pixelType = mSlicerManagers[index]->GetImage()->GetScalarTypeAsITKString().c_str();
1125     for (int i = 0; i < dimension; i++) {
1126       origin[i] = imageSelected->GetOrigin()[i];
1127       inputSpacing[i] = imageSelected->GetSpacing()[i];
1128       inputSize[i] = imageSelected->GetSize()[i];
1129       sizeMM[i] = inputSize[i]*inputSpacing[i];
1130       NPixel *= inputSize[i];
1131     }
1132     inputSizeInBytes = GetSizeInBytes(imageSelected->GetActualMemorySize()*1000);
1133
1134     QString dim = QString::number(dimension) + " (";
1135     dim += pixelType + ")";
1136
1137     infoPanel->setFileName(image);
1138     infoPanel->setDimension(dim);
1139     infoPanel->setSizePixel(GetVectorIntAsString(inputSize));
1140     infoPanel->setSizeMM(GetVectorDoubleAsString(sizeMM));
1141     infoPanel->setOrigin(GetVectorDoubleAsString(origin));
1142     infoPanel->setSpacing(GetVectorDoubleAsString(inputSpacing));
1143     infoPanel->setNPixel(QString::number(NPixel)+" ("+inputSizeInBytes+")");
1144     transformation = imageSelected->GetTransform()[mSlicerManagers[index]->GetTSlice()]->GetMatrix();
1145     infoPanel->setTransformation(Get4x4MatrixDoubleAsString(transformation));
1146
1147     landmarksPanel->SetCurrentLandmarks(mSlicerManagers[index]->GetLandmarks(),
1148                                         mSlicerManagers[index]->GetSlicer(0)->GetImage()->GetVTKImages().size());
1149     landmarksPanel->SetCurrentPath(mInputPathName.toStdString());
1150     landmarksPanel->SetCurrentImage(mSlicerManagers[index]->GetFileName().c_str());
1151
1152     overlayPanel->getCurrentImageName(mSlicerManagers[index]->GetFileName().c_str());
1153     for (int i = 0; i < 4; i++) {
1154       if (DataTree->selectedItems()[0]->data(i+1,Qt::CheckStateRole).toInt() > 0 || i == 3) {
1155         mSlicerManagers[index]->UpdateInfoOnCursorPosition(i);
1156         break;
1157       }
1158     }
1159
1160     infoPanel->setFileName(image);
1161     infoPanel->setDimension(dim);
1162     infoPanel->setSizePixel(GetVectorIntAsString(inputSize));
1163     infoPanel->setSizeMM(GetVectorDoubleAsString(sizeMM));
1164     infoPanel->setOrigin(GetVectorDoubleAsString(origin));
1165     infoPanel->setSpacing(GetVectorDoubleAsString(inputSpacing));
1166     infoPanel->setNPixel(QString::number(NPixel)+" ("+inputSizeInBytes+")");
1167
1168     landmarksPanel->SetCurrentLandmarks(mSlicerManagers[index]->GetLandmarks(),
1169                                         mSlicerManagers[index]->GetSlicer(0)->GetImage()->GetVTKImages().size());
1170     landmarksPanel->SetCurrentPath(mInputPathName.toStdString());
1171     landmarksPanel->SetCurrentImage(mSlicerManagers[index]->GetFileName().c_str());
1172
1173     overlayPanel->getCurrentImageName(mSlicerManagers[index]->GetFileName().c_str());
1174     for (int i = 0; i < 4; i++) {
1175       if (DataTree->selectedItems()[0]->data(i+1,Qt::CheckStateRole).toInt() > 0 || i == 3) {
1176         mSlicerManagers[index]->UpdateInfoOnCursorPosition(i);
1177         break;
1178       }
1179     }
1180     WindowLevelChanged();
1181     slicingPresetComboBox->setCurrentIndex(mSlicerManagers[index]->GetSlicingPreset());
1182
1183     if (mSlicerManagers[index]->GetSlicer(0)->GetVF()) {
1184       overlayPanel->getVFName(mSlicerManagers[index]->GetVFName().c_str());
1185       overlayPanel->getVFProperty(mSlicerManagers[index]->GetSlicer(0)->GetVFSubSampling(),
1186                                   mSlicerManagers[index]->GetSlicer(0)->GetVFScale(),
1187                                   mSlicerManagers[index]->GetSlicer(0)->GetVFLog());
1188     } else {
1189       overlayPanel->getVFName(mSlicerManagers[index]->GetVFName().c_str());
1190       overlayPanel->getVFProperty(-1,-1,-1);
1191     }
1192     if (mSlicerManagers[index]->GetSlicer(0)->GetOverlay()) {
1193       overlayPanel->getOverlayName(mSlicerManagers[index]->GetOverlayName().c_str());
1194     } else {
1195       overlayPanel->getOverlayName(mSlicerManagers[index]->GetOverlayName().c_str());
1196     }
1197
1198     if (mSlicerManagers[index]->GetSlicer(0)->GetFusion()) {
1199       overlayPanel->getFusionName(mSlicerManagers[index]->GetFusionName().c_str());
1200     } else {
1201       overlayPanel->getFusionName(mSlicerManagers[index]->GetFusionName().c_str());
1202     }
1203   }
1204 }
1205 //------------------------------------------------------------------------------
1206
1207 //------------------------------------------------------------------------------
1208 void vvMainWindow::ShowDocumentation()
1209 {
1210   documentation->show();
1211 }
1212 //------------------------------------------------------------------------------
1213
1214 //------------------------------------------------------------------------------
1215 void vvMainWindow::PopupRegisterForm(bool checkCanPush)
1216 {
1217   vvRegisterForm* registerForm = new vvRegisterForm(QUrl("http://www.creatis.insa-lyon.fr/~dsarrut/vvregister/write.php"), getVVSettingsPath(), getSettingsOptionFormat());
1218   if(!checkCanPush) {
1219     registerForm->show();
1220   } else {
1221     if(registerForm->canPush()) {
1222       registerForm->show();
1223       registerForm->acquitPushed();//too bad if there is not internet connection anymore.
1224     }
1225   }
1226 }
1227 //------------------------------------------------------------------------------
1228
1229 //------------------------------------------------------------------------------
1230 void vvMainWindow::ShowHelpDialog()
1231 {
1232   help_dialog->show();
1233 }
1234 //------------------------------------------------------------------------------
1235
1236 //------------------------------------------------------------------------------
1237 void vvMainWindow::ChangeViewMode()
1238 {
1239   QList<int> size;
1240   if (viewMode == 1) {
1241     viewMode = 0;
1242     size.push_back(1);
1243     size.push_back(0);
1244     splitter_3->setSizes(size);
1245     OSplitter->setSizes(size);
1246     DataTree->setColumnHidden(2,1);
1247     DataTree->setColumnHidden(3,1);
1248     DataTree->setColumnHidden(4,1);
1249   } else {
1250     viewMode = 1;
1251     size.push_back(1);
1252     size.push_back(1);
1253     splitter_3->setSizes(size);
1254     OSplitter->setSizes(size);
1255     DataTree->setColumnHidden(2,0);
1256     DataTree->setColumnHidden(3,0);
1257     DataTree->setColumnHidden(4,0);
1258   }
1259   UpdateRenderWindows();
1260   /*
1261   ** I don't know why but for both resized QVTKWidget we also need to render
1262   ** the associated Slicer to redraw crosses.
1263   */
1264   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1265     if (DataTree->topLevelItem(i)->data(COLUMN_UL_VIEW,Qt::CheckStateRole).toInt() > 1)
1266       mSlicerManagers[i]->GetSlicer(0)->Render();
1267     if (DataTree->topLevelItem(i)->data(COLUMN_DL_VIEW,Qt::CheckStateRole).toInt() > 1)
1268       mSlicerManagers[i]->GetSlicer(2)->Render();
1269   }
1270 }
1271 //------------------------------------------------------------------------------
1272
1273 //------------------------------------------------------------------------------
1274 QString vvMainWindow::GetSizeInBytes(unsigned long size)
1275 {
1276   QString result = "";// QString::number(size);
1277   //result += " bytes (";
1278   if (size > 1000000000) {
1279     size /= 1000000000;
1280     result += QString::number(size);
1281     result += "Gb";//)";
1282   } else if (size > 1000000) {
1283     size /= 1000000;
1284     result += QString::number(size);
1285     result += "Mb";//)";
1286   } else if (size > 1000) {
1287     size /= 1000;
1288     result += QString::number(size);
1289     result += "kb";//)";
1290   }
1291   return result;
1292 }
1293 //------------------------------------------------------------------------------
1294
1295 //------------------------------------------------------------------------------
1296 QString vvMainWindow::Get4x4MatrixDoubleAsString(vtkSmartPointer<vtkMatrix4x4> matrix, const int precision)
1297 {
1298   std::ostringstream strmatrix;
1299
1300   // Figure out the number of digits of the integer part of the largest absolute value
1301   // for each column
1302   unsigned width[4];
1303   for (unsigned int j = 0; j < 4; j++){
1304     double absmax = 0.;
1305     for (unsigned int i = 0; i < 4; i++)
1306       absmax = std::max(absmax, vnl_math_abs(matrix->GetElement(i, j)));
1307     unsigned ndigits = (unsigned)std::max(0.,std::log10(absmax))+1;
1308     width[j] = precision+ndigits+3;
1309   }
1310
1311   // Output with correct width, aligned to the right
1312   for (unsigned int i = 0; i < 4; i++) {
1313     for (unsigned int j = 0; j < 4; j++) {
1314       strmatrix.setf(ios::fixed,ios::floatfield);
1315       strmatrix.precision(precision);
1316       strmatrix.fill(' ');
1317       strmatrix.width(width[j]);
1318       strmatrix << std::right << matrix->GetElement(i, j);
1319     }
1320     strmatrix << std::endl;
1321   }
1322   QString result = strmatrix.str().c_str();
1323   return result;
1324 }
1325 //------------------------------------------------------------------------------
1326
1327 //------------------------------------------------------------------------------
1328 QString vvMainWindow::GetVectorDoubleAsString(std::vector<double> vectorDouble)
1329 {
1330   QString result;
1331   for (unsigned int i= 0; i < vectorDouble.size(); i++) {
1332     if (i != 0)
1333       result += " ";
1334     result += QString::number(vectorDouble[i]);
1335   }
1336   return result;
1337 }
1338 //------------------------------------------------------------------------------
1339
1340 //------------------------------------------------------------------------------
1341 QString vvMainWindow::GetVectorIntAsString(std::vector<int> vectorInt)
1342 {
1343   QString result;
1344   for (unsigned int i= 0; i < vectorInt.size(); i++) {
1345     if (i != 0)
1346       result += " ";
1347     result += QString::number(vectorInt[i]);
1348   }
1349   return result;
1350 }
1351 //------------------------------------------------------------------------------
1352
1353 //------------------------------------------------------------------------------
1354 int vvMainWindow::GetSlicerIndexFromItem(QTreeWidgetItem* item)
1355 {
1356   QString id = item->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
1357   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1358     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString() == id)
1359       return i;
1360   }
1361   return -1;
1362 }
1363 //------------------------------------------------------------------------------
1364
1365 //------------------------------------------------------------------------------
1366 QTreeWidgetItem* vvMainWindow::GetItemFromSlicerManager(vvSlicerManager* sm)
1367 {
1368   QString id = sm->GetId().c_str();
1369   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1370     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString() == id)
1371       return DataTree->topLevelItem(i);
1372   }
1373   return NULL;
1374 }
1375 //------------------------------------------------------------------------------
1376
1377 //------------------------------------------------------------------------------
1378 void vvMainWindow::DisplayChanged(QTreeWidgetItem *clickedItem, int column)
1379 {
1380   if ( column >= COLUMN_CLOSE_IMAGE || column <= 0)
1381     return;
1382
1383   // Get parent information (might be the same item)
1384   int slicerManagerIndex = GetSlicerIndexFromItem(clickedItem);
1385   QTreeWidgetItem* clickedParentItem = DataTree->topLevelItem(slicerManagerIndex);
1386   vvSlicer* clickedSlicer = mSlicerManagers[slicerManagerIndex]->GetSlicer(column-1);
1387
1388   // Go over the complete item tree (only 2 levels, parents and children)
1389   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1390     // Trick to avoid redoing twice the job for a key (sr)
1391     mSlicerManagers[i]->GetSlicer(column-1)->GetRenderWindow()->GetInteractor()->SetKeySym("Crap");
1392
1393     QTreeWidgetItem* currentParentItem = DataTree->topLevelItem(i);
1394     if(currentParentItem != clickedParentItem) {
1395       // Not the branch of the clicked item, uncheck all
1396
1397       // Parent
1398       currentParentItem->setData(column,Qt::CheckStateRole, 0);
1399       mSlicerManagers[i]->UpdateSlicer(column-1, false);
1400
1401       // Children
1402       for (int iChild = 0; iChild < currentParentItem->childCount(); iChild++) {
1403         currentParentItem->child(iChild)->setData(column,Qt::CheckStateRole, 0);
1404       }
1405     }
1406     else {
1407       // Branch of the clicked one: get check status from actor visibility in slicer
1408       // and toggle the clicked one
1409
1410       // Parent
1411       bool vis = clickedSlicer->GetActorVisibility("image", 0);
1412       bool draw = clickedSlicer->GetRenderer()->GetDraw();
1413
1414       // Update slicer (after getting visibility)
1415       mSlicerManagers[slicerManagerIndex]->UpdateSlicer(column-1, true);
1416       mSlicerManagers[slicerManagerIndex]->UpdateInfoOnCursorPosition(column-1);
1417       DisplaySliders(slicerManagerIndex, column-1);
1418       if(clickedParentItem == clickedItem) {
1419         // Toggle
1420         vis = !draw || !vis;
1421       }
1422       clickedSlicer->SetActorVisibility("image", 0, vis);
1423       clickedParentItem->setData(column, Qt::CheckStateRole, vis?2:0);
1424
1425       // Children
1426       std::map<std::string, int> actorTypeCounts;
1427       for (int iChild = 0; iChild < clickedParentItem->childCount(); iChild++) {
1428         QTreeWidgetItem* currentChildItem = clickedParentItem->child(iChild);
1429         std::string actorType = currentChildItem->data(1,Qt::UserRole).toString().toStdString();
1430         vis = clickedSlicer->GetActorVisibility(actorType, actorTypeCounts[actorType]);
1431         if(currentChildItem == clickedItem) {
1432           // Toggle or force visibility if it was not on this branch so far
1433           vis = !draw || !vis;
1434           clickedSlicer->SetActorVisibility(actorType, actorTypeCounts[actorType], vis);
1435         }
1436         currentChildItem->setData(column, Qt::CheckStateRole, vis?2:0);
1437         actorTypeCounts[actorType]++;
1438       }
1439     }
1440   }
1441
1442   clickedSlicer->Render();
1443 }
1444 //------------------------------------------------------------------------------
1445
1446 void vvMainWindow::InitSlicers()
1447 {
1448   if (mSlicerManagers.size()) {
1449     mSlicerManagers.back()->GenerateDefaultLookupTable();
1450
1451     mSlicerManagers.back()->SetSlicerWindow(0,NOViewWidget->GetRenderWindow());
1452     mSlicerManagers.back()->SetSlicerWindow(1,NEViewWidget->GetRenderWindow());
1453     mSlicerManagers.back()->SetSlicerWindow(2,SOViewWidget->GetRenderWindow());
1454     mSlicerManagers.back()->SetSlicerWindow(3,SEViewWidget->GetRenderWindow());
1455   }
1456 }
1457
1458 //------------------------------------------------------------------------------
1459 void vvMainWindow::InitDisplay()
1460 {
1461   if (mSlicerManagers.size()) {
1462     //BE CAREFUL : this is absolutely necessary to set the interactor style
1463     //in order to have the same style instanciation for all SlicerManagers in
1464     // a same window
1465     for (int j = 0; j < 4; j++) {
1466       vvInteractorStyleNavigator* style = vvInteractorStyleNavigator::New();
1467       style->SetAutoAdjustCameraClippingRange(1);
1468       bool AlreadySelected = false;
1469       for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1470         mSlicerManagers[i]->SetInteractorStyleNavigator(j,style);
1471
1472         //select the image only if previous are not selected
1473         if (DataTree->topLevelItem(i)->data(j+1,Qt::CheckStateRole).toInt() > 1) {
1474           mSlicerManagers[i]->UpdateSlicer(j,1);
1475           AlreadySelected = true;
1476         } else if (i == DataTree->topLevelItemCount()-1 && !AlreadySelected) {
1477           if (DataTree->selectedItems().size() == 0)
1478             DataTree->topLevelItem(i)->setSelected(1);
1479           DataTree->topLevelItem(i)->setData(j+1,Qt::CheckStateRole,2);
1480           mSlicerManagers[i]->UpdateSlicer(j,1);
1481           DisplaySliders(i,j);
1482         } else {
1483           DataTree->topLevelItem(i)->setData(j+1,Qt::CheckStateRole,0);
1484           mSlicerManagers[i]->UpdateSlicer(j,0);
1485         }
1486       }
1487       style->Delete();
1488     }
1489   }
1490 }
1491 //------------------------------------------------------------------------------
1492
1493 //------------------------------------------------------------------------------
1494 void vvMainWindow::DisplaySliders(int slicer, int window)
1495 {
1496   int range[2];
1497   mSlicerManagers[slicer]->GetSlicer(window)->GetSliceRange(range);
1498   int position = mSlicerManagers[slicer]->GetSlicer(window)->GetSlice();
1499
1500   int tRange[2];
1501   tRange[0] = 0;
1502   tRange[1] = mSlicerManagers[slicer]->GetSlicer(window)->GetTMax();
1503   int tPosition = mSlicerManagers[slicer]->GetSlicer(window)->GetTSlice();
1504   bool showHorizontal = false;
1505   bool showVertical = false;
1506   if (mSlicerManagers[slicer]->GetSlicer(window)->GetImage()->GetNumberOfDimensions() > 3
1507       || (mSlicerManagers[slicer]->GetSlicer(window)->GetImage()->GetNumberOfDimensions() > 2
1508           && mSlicerManagers[slicer]->GetType() != vvImageReader::IMAGEWITHTIME
1509           && mSlicerManagers[slicer]->GetType() != vvImageReader::MERGEDWITHTIME))
1510     showVertical = true;
1511   if (mSlicerManagers[slicer]->GetSlicer(window)->GetImage()->GetNumberOfDimensions() > 3
1512       || mSlicerManagers[slicer]->GetType() == vvImageReader::IMAGEWITHTIME
1513       || mSlicerManagers[slicer]->GetType() == vvImageReader::MERGEDWITHTIME)
1514     showHorizontal = true;
1515
1516   if (showVertical)
1517     verticalSliders[window]->show();
1518   else
1519     verticalSliders[window]->hide();
1520   verticalSliders[window]->setRange(range[0],range[1]);
1521   verticalSliders[window]->setValue(position);
1522
1523   if (showHorizontal)
1524     horizontalSliders[window]->show();
1525   else
1526     horizontalSliders[window]->hide();
1527   horizontalSliders[window]->setRange(tRange[0],tRange[1]);
1528   horizontalSliders[window]->setValue(tPosition);
1529 }
1530 //------------------------------------------------------------------------------
1531
1532 //------------------------------------------------------------------------------
1533 void vvMainWindow::CloseImage(QTreeWidgetItem* item, int column)
1534 {
1535   int index = GetSlicerIndexFromItem(item);
1536
1537   if (DataTree->topLevelItem(index) != item) {
1538     QString warning = "Do you really want to close the overlay : ";
1539     warning += item->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1540     QMessageBox msgBox(QMessageBox::Warning, tr("Close Overlay"),
1541                        warning, 0, this);
1542     msgBox.addButton(tr("Close"), QMessageBox::AcceptRole);
1543     msgBox.addButton(tr("Cancel"), QMessageBox::RejectRole);
1544     if (msgBox.exec() == QMessageBox::AcceptRole) {
1545       std::string overlay_type=item->data(1,Qt::UserRole).toString().toStdString();
1546       int overlay_index=0;
1547       for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++) {
1548         if (DataTree->topLevelItem(index)->\
1549             child(child)->data(1,Qt::UserRole).toString().toStdString() == overlay_type)
1550           overlay_index++;
1551         if (DataTree->topLevelItem(index)->child(child) == item) break;
1552       }
1553       mSlicerManagers[index]->RemoveActor(overlay_type, overlay_index-1);
1554       mSlicerManagers[index]->SetColorMap(0);
1555       DataTree->topLevelItem(index)->takeChild(DataTree->topLevelItem(index)->indexOfChild(item));
1556       mSlicerManagers[index]->Render();
1557     }
1558   } else if (DataTree->topLevelItemCount() <= 1) {
1559     QString warning = "Do you really want to close the image : ";
1560     warning += item->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1561     warning += "\nThis is the last image, you're about to close vv !!!";
1562     QMessageBox msgBox(QMessageBox::Warning, tr("Close Image"),
1563                        warning, 0, this);
1564     msgBox.addButton(tr("Close vv"), QMessageBox::AcceptRole);
1565     msgBox.addButton(tr("Cancel"), QMessageBox::RejectRole);
1566     if (msgBox.exec() == QMessageBox::AcceptRole) {
1567       this->close();
1568     }
1569   } else {
1570     QString warning = "Do you really want to close the image : ";
1571     warning += item->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1572     QMessageBox msgBox(QMessageBox::Warning, tr("Close Image"),
1573                        warning, 0, this);
1574     msgBox.addButton(tr("Close"), QMessageBox::AcceptRole);
1575     msgBox.addButton(tr("Cancel"), QMessageBox::RejectRole);
1576     if (msgBox.exec() == QMessageBox::AcceptRole) {
1577
1578       // Tell tools that we close an image
1579       emit AnImageIsBeingClosed(mSlicerManagers[index]);
1580
1581       std::vector<vvSlicerManager*>::iterator Manageriter = mSlicerManagers.begin();
1582       DataTree->takeTopLevelItem(index);
1583       for (int i = 0; i < index; i++) {
1584         Manageriter++;
1585       }
1586       linkPanel->removeImage(index);
1587       mSlicerManagers[index]->RemoveActors();
1588       delete mSlicerManagers[index];
1589       mSlicerManagers.erase(Manageriter);
1590
1591       //
1592       InitDisplay();
1593     }
1594   }
1595   ImageInfoChanged();
1596 }
1597 //------------------------------------------------------------------------------
1598
1599 //------------------------------------------------------------------------------
1600 void vvMainWindow::ReloadImage(QTreeWidgetItem* item, int column)
1601 {
1602   // int index = GetSlicerIndexFromItem(item);
1603   //   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1604   //   if (item->data(1,Qt::UserRole).toString() == "vector")
1605   //     mSlicerManagers[index]->ReloadVF();
1606   //   else
1607   //     mSlicerManagers[index]->Reload();
1608
1609   //   QApplication::restoreOverrideCursor();
1610   int index = GetSlicerIndexFromItem(item);
1611   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1612   QString role=item->data(1,Qt::UserRole).toString();
1613   if ( role == "vector"){
1614     mSlicerManagers[index]->ReloadVF();
1615   }
1616   else if (role == "overlay"){
1617     mSlicerManagers[index]->ReloadOverlay();
1618   }
1619   else if (role == "fusion"){
1620     mSlicerManagers[index]->ReloadFusion();
1621   }
1622   else{
1623     mSlicerManagers[index]->Reload();
1624   }
1625   // Update view and info
1626   ImageInfoChanged();
1627   mSlicerManagers[index]->Render();
1628   QApplication::restoreOverrideCursor();
1629 }
1630 //------------------------------------------------------------------------------
1631
1632 //------------------------------------------------------------------------------
1633 void vvMainWindow::MousePositionChanged(int visibility,double x, double y, double z, double X, double Y, double Z , double value)
1634 {
1635   infoPanel->setCurrentInfo(visibility,x,y,z,X,Y,Z,value);
1636 }
1637 //------------------------------------------------------------------------------
1638
1639 //------------------------------------------------------------------------------
1640 void vvMainWindow::VectorChanged(int visibility,double x, double y, double z, double value)
1641 {
1642   overlayPanel->getCurrentVectorInfo(visibility,x,y,z,value);
1643 }
1644 //------------------------------------------------------------------------------
1645
1646 //------------------------------------------------------------------------------
1647 void vvMainWindow::OverlayChanged(int visibility, double valueOver, double valueRef)
1648 {
1649   overlayPanel->getCurrentOverlayInfo(visibility,valueOver, valueRef);
1650 }
1651 //------------------------------------------------------------------------------
1652
1653 //------------------------------------------------------------------------------
1654 void vvMainWindow::FusionChanged(int visibility, double value)
1655 {
1656   overlayPanel->getCurrentFusionInfo(visibility,value);
1657 }
1658 //------------------------------------------------------------------------------
1659
1660 //------------------------------------------------------------------------------
1661 void vvMainWindow::WindowLevelChanged()
1662 {
1663   // Base image
1664   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1665   if(index==-1) return;
1666   windowSpinBox->setValue(mSlicerManagers[index]->GetColorWindow());
1667   levelSpinBox->setValue(mSlicerManagers[index]->GetColorLevel());
1668   colorMapComboBox->setCurrentIndex(mSlicerManagers[index]->GetColorMap());
1669   presetComboBox->setCurrentIndex(mSlicerManagers[index]->GetPreset());
1670
1671   // Overlay image
1672   if (mSlicerManagers[index]->GetSlicer(0)->GetOverlay())
1673     overlayPanel->getOverlayProperty(mSlicerManagers[index]->GetOverlayColor(),
1674                                      mSlicerManagers[index]->GetLinkOverlayWindowLevel(),
1675                                      mSlicerManagers[index]->GetOverlayColorWindow(),
1676                                      mSlicerManagers[index]->GetOverlayColorLevel());
1677   else
1678     overlayPanel->getOverlayProperty(-1,0,0.,0.);
1679
1680   // Fusion image
1681   if (mSlicerManagers[index]->GetSlicer(0)->GetFusion())
1682     overlayPanel->getFusionProperty(mSlicerManagers[index]->GetFusionOpacity(),
1683                                     mSlicerManagers[index]->GetFusionThresholdOpacity(),
1684                                     mSlicerManagers[index]->GetFusionColorMap(),
1685                                     mSlicerManagers[index]->GetFusionWindow(),
1686                                     mSlicerManagers[index]->GetFusionLevel());
1687   else
1688     overlayPanel->getFusionProperty(-1, -1, -1, -1, -1);
1689 }
1690 //------------------------------------------------------------------------------
1691
1692 //------------------------------------------------------------------------------
1693 void vvMainWindow::WindowLevelEdited()
1694 {
1695   presetComboBox->setCurrentIndex(6);
1696   UpdateWindowLevel();
1697 }
1698 //------------------------------------------------------------------------------
1699
1700 //------------------------------------------------------------------------------
1701 void vvMainWindow::SetWindowLevel(double w, double l)
1702 {
1703   windowSpinBox->setValue(w);
1704   levelSpinBox->setValue(l);
1705   presetComboBox->setCurrentIndex(6);
1706   colorMapComboBox->setCurrentIndex(0);
1707   UpdateWindowLevel();
1708 }
1709 //------------------------------------------------------------------------------
1710
1711 //------------------------------------------------------------------------------
1712 void vvMainWindow::UpdateWindowLevel()
1713 {
1714   if (DataTree->selectedItems().size()) {
1715     if (presetComboBox->currentIndex() == 7) //For ventilation
1716       colorMapComboBox->setCurrentIndex(5);
1717     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1718     mSlicerManagers[index]->SetColorWindow(windowSpinBox->value());
1719     mSlicerManagers[index]->SetColorLevel(levelSpinBox->value());
1720     mSlicerManagers[index]->SetPreset(presetComboBox->currentIndex());
1721     mSlicerManagers[index]->Render();
1722     WindowLevelChanged();
1723   }
1724 }
1725 //------------------------------------------------------------------------------
1726
1727 //------------------------------------------------------------------------------
1728 void vvMainWindow::UpdateSlicingPreset()
1729 {
1730   if (DataTree->selectedItems().size()) {
1731     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1732     mSlicerManagers[index]->SetSlicingPreset(vvSlicerManager::SlicingPresetType(slicingPresetComboBox->currentIndex()));
1733   }
1734 }
1735 //------------------------------------------------------------------------------
1736
1737 //------------------------------------------------------------------------------
1738 void vvMainWindow::UpdateColorMap()
1739 {
1740   if (DataTree->selectedItems().size()) {
1741     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1742     mSlicerManagers[index]->SetColorMap(colorMapComboBox->currentIndex());
1743     mSlicerManagers[index]->Render();
1744   }
1745 }
1746 //------------------------------------------------------------------------------
1747 void vvMainWindow::SwitchWindowLevel()
1748 {
1749   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1750   int window = mSlicerManagers[index]->GetColorWindow();
1751   presetComboBox->setCurrentIndex(6);
1752   windowSpinBox->setValue(-window);
1753   UpdateWindowLevel();
1754 }
1755 //------------------------------------------------------------------------------
1756
1757 //------------------------------------------------------------------------------
1758 void vvMainWindow::ApplyWindowLevelToAllImages()
1759 {
1760   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1761   if(index==-1) return;
1762   double window = mSlicerManagers[index]->GetColorWindow();
1763   double level = mSlicerManagers[index]->GetColorLevel();
1764
1765   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1766     if (mSlicerManagers[i] == NULL)
1767       continue;
1768     mSlicerManagers[i]->SetColorWindow(window);
1769     mSlicerManagers[i]->SetColorLevel(level);
1770     mSlicerManagers[i]->SetPreset(6);
1771     mSlicerManagers[i]->Render();
1772   }
1773 }
1774 //------------------------------------------------------------------------------
1775
1776 //------------------------------------------------------------------------------
1777 void vvMainWindow::UpdateLinkManager(std::string id, int slicer, double x, double y, double z, int temps)
1778 {
1779   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1780     if (mSlicerManagers[i]->GetId() == id) {
1781       //mSlicerManagers[i]->SetTSlice(temps);
1782       mSlicerManagers[i]->GetSlicer(slicer)->SetCurrentPosition(x,y,z,temps);
1783       mSlicerManagers[i]->UpdateViews(0,slicer);
1784       break;
1785     }
1786   }
1787 }
1788 //------------------------------------------------------------------------------
1789
1790 //------------------------------------------------------------------------------
1791 void vvMainWindow::UpdateLinkedNavigation(std::string id, vvSlicerManager * sm, vvSlicer* refSlicer)
1792 {
1793   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1794     if (id == mSlicerManagers[i]->GetId()) {
1795       mSlicerManagers[i]->UpdateLinkedNavigation(refSlicer);
1796     }
1797   }
1798 }
1799 //------------------------------------------------------------------------------
1800
1801 //------------------------------------------------------------------------------
1802 void vvMainWindow::ShowContextMenu(QPoint point)
1803 {
1804   if (!DataTree->selectedItems().size()) {
1805     contextActions[1]->setEnabled(0);
1806     contextActions[2]->setEnabled(0);
1807     contextActions[3]->setEnabled(0);
1808     contextActions[4]->setEnabled(0);
1809     contextActions[5]->setEnabled(0);
1810     contextActions[6]->setEnabled(0);
1811   } else {
1812     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1813     contextActions[1]->setEnabled(1);
1814     contextActions[2]->setEnabled(
1815       DataTree->itemWidget(DataTree->selectedItems()[0],
1816                            COLUMN_RELOAD_IMAGE)->isEnabled());
1817     contextActions[3]->setEnabled(1);
1818     contextActions[5]->setEnabled(1);
1819     contextActions[6]->setEnabled(1);
1820
1821     if (mSlicerManagers[index]->GetDimension() < 3)
1822       contextActions[4]->setEnabled(0);
1823     else
1824       contextActions[4]->setEnabled(1);
1825   }
1826   contextMenu.exec(QCursor::pos());
1827 }
1828 //------------------------------------------------------------------------------
1829
1830 //------------------------------------------------------------------------------
1831 void vvMainWindow::CloseImage()
1832 {
1833   CloseImage(DataTree->selectedItems()[0],0);
1834 }
1835 //------------------------------------------------------------------------------
1836
1837 //------------------------------------------------------------------------------
1838 void vvMainWindow::ReloadImage()
1839 {
1840   ReloadImage(DataTree->selectedItems()[0],0);
1841 }
1842 //------------------------------------------------------------------------------
1843
1844 //------------------------------------------------------------------------------
1845 void vvMainWindow::SelectOverlayImage()
1846 {
1847   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1848
1849   //check if one overlay image is added
1850   for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++)
1851     if (DataTree->topLevelItem(index)->child(child)->data(1,Qt::UserRole).toString() == "overlay") {
1852       QString error = "Cannot add more than one compared image\n";
1853       error += "Please remove first ";
1854       error += DataTree->topLevelItem(index)->child(child)->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1855       QMessageBox::information(this,tr("Problem adding compared image !"),error);
1856       return;
1857     }
1858
1859   QString Extensions = EXTENSIONS;
1860   Extensions += ";;All Files (*)";
1861   QString file = QFileDialog::getOpenFileName(this,tr("Load Overlay image"),mInputPathName,Extensions);
1862   if (!file.isEmpty())
1863     AddOverlayImage(index,file);
1864 }
1865 //------------------------------------------------------------------------------
1866
1867 //------------------------------------------------------------------------------
1868 void vvMainWindow::AddOverlayImage(int index, QString file)
1869 {
1870   if (QFile::exists(file))
1871   {
1872     mInputPathName = itksys::SystemTools::GetFilenamePath(file.toStdString()).c_str();
1873     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
1874         file.toStdString().c_str(), itk::ImageIOFactory::ReadMode);
1875     reader->SetFileName(file.toStdString().c_str());
1876     reader->ReadImageInformation();
1877     std::string component = reader->GetComponentTypeAsString(reader->GetComponentType());
1878     int dimension = reader->GetNumberOfDimensions();
1879     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1880     vvProgressDialog progress("Opening " + file.toStdString());
1881     qApp->processEvents();
1882
1883     std::string filename = itksys::SystemTools::GetFilenameWithoutExtension(file.toStdString()).c_str();
1884     if (mSlicerManagers[index]->SetOverlay(file.toStdString(),dimension, component)) {
1885       //create an item in the tree with good settings
1886       QTreeWidgetItem *item = new QTreeWidgetItem();
1887       item->setData(0,Qt::UserRole,file.toStdString().c_str());
1888       item->setData(1,Qt::UserRole,tr("overlay"));
1889       QFileInfo fileinfo(file); //Do not show the path
1890       item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
1891       item->setToolTip(COLUMN_IMAGE_NAME, mSlicerManagers[index]->GetListOfAbsoluteFilePathInOneString("overlay").c_str());
1892       qApp->processEvents();
1893
1894       for (int j = 1; j <= 4; j++) {
1895         item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
1896       }
1897
1898       //Create the buttons for reload and close
1899       qApp->processEvents();
1900       QTreePushButton* cButton = new QTreePushButton;
1901       cButton->setItem(item);
1902       cButton->setColumn(COLUMN_CLOSE_IMAGE);
1903       cButton->setToolTip(tr("close image"));
1904       cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
1905       connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
1906           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
1907
1908       QTreePushButton* rButton = new QTreePushButton;
1909       rButton->setItem(item);
1910       rButton->setColumn(COLUMN_RELOAD_IMAGE);
1911       rButton->setToolTip(tr("reload image"));
1912       rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
1913       connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
1914           this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
1915
1916       DataTree->topLevelItem(index)->setExpanded(1);
1917       DataTree->topLevelItem(index)->addChild(item);
1918       DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
1919       DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
1920
1921       //set the id of the image
1922       QString id = DataTree->topLevelItem(index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
1923       item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
1924       UpdateTree();
1925       qApp->processEvents();
1926       ImageInfoChanged();
1927       QApplication::restoreOverrideCursor();
1928     } else {
1929       QApplication::restoreOverrideCursor();
1930       QString error = "Cannot import the new image.\n";
1931       error += mSlicerManagers[index]->GetLastError().c_str();
1932       QMessageBox::information(this,tr("Problem reading image !"),error);
1933     }
1934     WindowLevelChanged();
1935   }
1936   else
1937     QMessageBox::information(this,tr("Problem reading Overlay !"),"File doesn't exist!");
1938 }
1939 //------------------------------------------------------------------------------
1940
1941
1942 //------------------------------------------------------------------------------
1943 void vvMainWindow::AddROI(int index, QString file)
1944 {
1945   /*
1946   // Get slice manager
1947
1948   // Load image
1949
1950   vvImageReader * mReader = new vvImageReader;
1951   mReader->SetInputFilename(filename.toStdString());
1952   mReader->Update(IMAGE);
1953   if (mReader->GetLastError().size() != 0) {
1954     std::cerr << "Error while reading " << filename.toStdString() << std::endl;
1955     QString error = "Cannot open file \n";
1956     error += mReader->GetLastError().c_str();
1957     QMessageBox::information(this,tr("Reading problem"),error);
1958     delete mReader;
1959     return;
1960   }
1961   vvImage::Pointer roi = mReader->GetOutput();
1962
1963   // Create roi in new tool
1964   vvToolStructureSetManager::AddImage(mCurrentSlicerManager, roi);
1965   */
1966 }
1967 //------------------------------------------------------------------------------
1968
1969 //------------------------------------------------------------------------------
1970 void vvMainWindow::SelectFusionImage()
1971 {
1972   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1973
1974   //check if one fusion image is added
1975   for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++)
1976     if (DataTree->topLevelItem(index)->child(child)->data(1,Qt::UserRole).toString() == "fusion") {
1977       QString error = "Cannot add more than one fusion image\n";
1978       error += "Please remove first ";
1979       error += DataTree->topLevelItem(index)->child(child)->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1980       QMessageBox::information(this,tr("Problem adding fusion image !"),error);
1981       return;
1982     }
1983
1984   QString Extensions = EXTENSIONS;
1985   Extensions += ";;All Files (*)";
1986   QString file = QFileDialog::getOpenFileName(this,tr("Load Fusion image"),mInputPathName,Extensions);
1987   if (!file.isEmpty())
1988     AddFusionImage(index,file);
1989 }
1990 //------------------------------------------------------------------------------
1991
1992 //------------------------------------------------------------------------------
1993 void vvMainWindow::ResetTransformationToIdentity()
1994 {
1995   std::string actorType = DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString().toStdString();
1996   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1997   mSlicerManagers[index]->ResetTransformationToIdentity(actorType);
1998   ImageInfoChanged();
1999 }
2000 //------------------------------------------------------------------------------
2001
2002 //------------------------------------------------------------------------------
2003 void vvMainWindow::AddFusionImage(int index, QString file)
2004 {
2005   if (QFile::exists(file))
2006   {
2007     mInputPathName = itksys::SystemTools::GetFilenamePath(file.toStdString()).c_str();
2008     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
2009         file.toStdString().c_str(), itk::ImageIOFactory::ReadMode);
2010     reader->SetFileName(file.toStdString().c_str());
2011     reader->ReadImageInformation();
2012     std::string component = reader->GetComponentTypeAsString(reader->GetComponentType());
2013     if (reader) {
2014       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2015       vvProgressDialog progress("Opening fusion");
2016       qApp->processEvents();
2017
2018       std::string filename = itksys::SystemTools::GetFilenameWithoutExtension(file.toStdString()).c_str();
2019       if (mSlicerManagers[index]->SetFusion(file.toStdString(),
2020             reader->GetNumberOfDimensions(), component)) {
2021         //create an item in the tree with good settings
2022         QTreeWidgetItem *item = new QTreeWidgetItem();
2023         item->setData(0,Qt::UserRole,file.toStdString().c_str());
2024         item->setData(1,Qt::UserRole,tr("fusion"));
2025         QFileInfo fileinfo(filename.c_str()); //Do not show the path
2026         item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
2027         item->setToolTip(COLUMN_IMAGE_NAME, mSlicerManagers[index]->GetListOfAbsoluteFilePathInOneString("fusion").c_str());
2028         qApp->processEvents();
2029
2030         for (int j = 1; j <= 4; j++) {
2031           item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
2032         }
2033
2034         //Create the buttons for reload and close
2035         qApp->processEvents();
2036         QTreePushButton* cButton = new QTreePushButton;
2037         cButton->setItem(item);
2038         cButton->setColumn(COLUMN_CLOSE_IMAGE);
2039         cButton->setToolTip(tr("close image"));
2040         cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
2041         connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2042             this,SLOT(CloseImage(QTreeWidgetItem*, int)));
2043
2044         QTreePushButton* rButton = new QTreePushButton;
2045         rButton->setItem(item);
2046         rButton->setColumn(COLUMN_RELOAD_IMAGE);
2047         rButton->setToolTip(tr("reload image"));
2048         rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
2049         connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2050             this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
2051
2052         DataTree->topLevelItem(index)->setExpanded(1);
2053         DataTree->topLevelItem(index)->addChild(item);
2054         DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
2055         DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
2056
2057         //set the id of the image
2058         QString id = DataTree->topLevelItem(index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
2059         item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
2060         UpdateTree();
2061         qApp->processEvents();
2062         ImageInfoChanged();
2063         QApplication::restoreOverrideCursor();
2064       } else {
2065         QApplication::restoreOverrideCursor();
2066         QString error = "Cannot import the new image.\n";
2067         error += mSlicerManagers[index]->GetLastError().c_str();
2068         QMessageBox::information(this,tr("Problem reading image !"),error);
2069       }
2070     } else {
2071       QString error = "Cannot import the new image.\n";
2072       QMessageBox::information(this,tr("Problem reading image !"),error);
2073     }
2074   }
2075   else
2076     QMessageBox::information(this,tr("Problem reading Fusion !"),"File doesn't exist!");
2077 }
2078 //------------------------------------------------------------------------------
2079
2080
2081 //------------------------------------------------------------------------------
2082 void vvMainWindow::OpenField()
2083 {
2084   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2085   //check if a vector field has already been added
2086   for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++)
2087     if (DataTree->topLevelItem(index)->child(child)->data(1,Qt::UserRole).toString() == "vector") {
2088       QString error = "Cannot add more than one vector field\n";
2089       error += "Please remove first ";
2090       error += DataTree->topLevelItem(index)->child(child)->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
2091       QMessageBox::information(this,tr("Problem adding vector field!"),error);
2092       return;
2093     }
2094
2095   QString Extensions = "Images ( *.mhd)";
2096   Extensions += ";;Images ( *.mha)";
2097   Extensions += ";;Images ( *.vf)";
2098   QString file = QFileDialog::getOpenFileName(this,tr("Load deformation field"),mInputPathName,Extensions);
2099   if (!file.isEmpty())
2100     AddField(file,index);
2101 }
2102 //------------------------------------------------------------------------------
2103
2104
2105 //------------------------------------------------------------------------------
2106 void vvMainWindow::AddFieldEntry(QString filename,int index,bool from_disk)
2107 {
2108   //create an item in the tree with good settings
2109   QTreeWidgetItem *item = new QTreeWidgetItem();
2110   item->setData(0,Qt::UserRole,filename.toStdString().c_str());
2111   item->setData(1,Qt::UserRole,tr("vector"));
2112   QFileInfo fileinfo(filename); //Do not show the path
2113   item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
2114   item->setToolTip(COLUMN_IMAGE_NAME, mSlicerManagers[index]->GetListOfAbsoluteFilePathInOneString("vector").c_str());
2115   qApp->processEvents();
2116
2117   for (int j = 1; j <= 4; j++) {
2118     item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
2119   }
2120
2121   //Create the buttons for reload and close
2122   qApp->processEvents();
2123   QTreePushButton* cButton = new QTreePushButton;
2124   cButton->setItem(item);
2125   cButton->setColumn(COLUMN_CLOSE_IMAGE);
2126   cButton->setToolTip(tr("close vector field"));
2127   cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
2128   connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2129           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
2130
2131   QTreePushButton* rButton = new QTreePushButton;
2132   rButton->setItem(item);
2133   rButton->setColumn(COLUMN_RELOAD_IMAGE);
2134   rButton->setToolTip(tr("reload vector field"));
2135   rButton->setEnabled(from_disk);
2136   rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
2137   connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2138           this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
2139
2140   DataTree->topLevelItem(index)->setExpanded(1);
2141   DataTree->topLevelItem(index)->addChild(item);
2142   DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
2143   DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
2144
2145   //set the id of the image
2146   QString id = DataTree->topLevelItem(index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
2147   item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
2148   UpdateTree();
2149   qApp->processEvents();
2150   ImageInfoChanged();
2151   QApplication::restoreOverrideCursor();
2152 }
2153 //------------------------------------------------------------------------------
2154
2155
2156 //------------------------------------------------------------------------------
2157 void vvMainWindow::AddField(vvImage::Pointer vf,QString file,int index)
2158 {
2159   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2160   vvSlicerManager* imageManager = mSlicerManagers[index];
2161   if (imageManager->SetVF(vf,file.toStdString())) {
2162     AddFieldEntry(file,index,false);
2163   } else {
2164     QString error = "Cannot import the vector field for this image.\n";
2165     error += imageManager->GetLastError().c_str();
2166     QMessageBox::information(this,tr("Problem reading VF !"),error);
2167   }
2168   QApplication::restoreOverrideCursor();
2169 }
2170 //------------------------------------------------------------------------------
2171
2172
2173 //------------------------------------------------------------------------------
2174 void vvMainWindow::AddField(QString file,int index)
2175 {
2176   if (QFile::exists(file)) {
2177     mInputPathName = itksys::SystemTools::GetFilenamePath(file.toStdString()).c_str();
2178
2179     //init the progress events
2180     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2181     vvProgressDialog progress("Opening " + file.toStdString());
2182     qApp->processEvents();
2183
2184     //read the vector and put it in the current mSlicerManager
2185     vvSlicerManager* imageManager = mSlicerManagers[index];
2186     qApp->processEvents();
2187
2188     std::string filename = itksys::SystemTools::GetFilenameWithoutExtension(file.toStdString()).c_str();
2189     if (imageManager->SetVF(file.toStdString())) {
2190       imageManager->Render();
2191       AddFieldEntry(file,index,true);
2192     } else {
2193       QApplication::restoreOverrideCursor();
2194       QString error = "Cannot import the vector field for this image.\n";
2195       error += imageManager->GetLastError().c_str();
2196       QMessageBox::information(this,tr("Problem reading VF !"),error);
2197     }
2198   } else
2199     QMessageBox::information(this,tr("Problem reading VF !"),"File doesn't exist!");
2200
2201 }
2202 //------------------------------------------------------------------------------
2203
2204
2205 //------------------------------------------------------------------------------
2206 void vvMainWindow::SetVFProperty(int subsampling, int scale, int log, int width, double r, double g, double b)
2207 {
2208   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2209   if (mSlicerManagers[index]->GetSlicer(0)->GetVF()) {
2210     for (int i = 0; i < 4; i++) {
2211       mSlicerManagers[index]->GetSlicer(i)->SetVFSubSampling(subsampling);
2212       mSlicerManagers[index]->GetSlicer(i)->SetVFScale(scale);
2213       mSlicerManagers[index]->GetSlicer(i)->SetVFWidth(width);
2214       mSlicerManagers[index]->GetSlicer(i)->SetVFColor(r,g,b);
2215       if (log > 0)
2216         mSlicerManagers[index]->GetSlicer(i)->SetVFLog(1);
2217       else
2218         mSlicerManagers[index]->GetSlicer(i)->SetVFLog(0);
2219     }
2220   }
2221 }
2222 //------------------------------------------------------------------------------
2223
2224
2225 //------------------------------------------------------------------------------
2226 void vvMainWindow::SetOverlayProperty(int color, int linked, double window, double level)
2227 {
2228   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2229   if (mSlicerManagers[index]->GetSlicer(0)->GetOverlay()) {
2230     mSlicerManagers[index]->SetOverlayColor(color);
2231     mSlicerManagers[index]->SetColorMap(0);
2232     mSlicerManagers[index]->SetLinkOverlayWindowLevel(linked);
2233     mSlicerManagers[index]->SetOverlayColorWindow(window);
2234     mSlicerManagers[index]->SetOverlayColorLevel(level);
2235     mSlicerManagers[index]->Render();
2236   }
2237 }
2238 //------------------------------------------------------------------------------
2239
2240 //------------------------------------------------------------------------------
2241 void vvMainWindow::SetFusionProperty(int opacity, int thresOpacity, int colormap,double window, double level, bool showLegend)
2242 {
2243   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2244   if (mSlicerManagers[index]->GetSlicer(0)->GetFusion()) {
2245     mSlicerManagers[index]->SetFusionColorMap(colormap);
2246     mSlicerManagers[index]->SetFusionOpacity(opacity);
2247     mSlicerManagers[index]->SetFusionThresholdOpacity(thresOpacity);
2248     mSlicerManagers[index]->SetFusionWindow(window);
2249     mSlicerManagers[index]->SetFusionLevel(level);
2250     mSlicerManagers[index]->SetFusionShowLegend(showLegend);
2251     mSlicerManagers[index]->SetColorMap(0);
2252     mSlicerManagers[index]->Render();
2253   }
2254 }
2255 //------------------------------------------------------------------------------
2256
2257 //------------------------------------------------------------------------------
2258 void vvMainWindow::SaveAs()
2259 {
2260   if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "vector") {
2261     QMessageBox::warning(this,tr("Unsupported type"),tr("Sorry, saving a vector field is unsupported for the moment"));
2262     return;
2263   }
2264
2265   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2266   int dimension = mSlicerManagers[index]->GetDimension();
2267   QStringList OutputListeFormat;
2268   OutputListeFormat.clear();
2269   if (dimension == 1) {
2270     OutputListeFormat.push_back(".mhd");
2271     OutputListeFormat.push_back(".mha");
2272   }
2273   if (dimension == 2) {
2274     OutputListeFormat.push_back(".bmp");
2275     OutputListeFormat.push_back(".png");
2276     OutputListeFormat.push_back(".jpeg");
2277     OutputListeFormat.push_back(".tif");
2278     OutputListeFormat.push_back(".mhd");
2279     OutputListeFormat.push_back(".mha");
2280     OutputListeFormat.push_back(".hdr");
2281     OutputListeFormat.push_back(".vox");
2282   } else if (dimension == 3) {
2283     OutputListeFormat.push_back(".mhd");
2284     OutputListeFormat.push_back(".mha");
2285     OutputListeFormat.push_back(".nii");
2286     OutputListeFormat.push_back(".nrrd");
2287     OutputListeFormat.push_back(".nhdr");
2288     OutputListeFormat.push_back(".hdr");
2289     OutputListeFormat.push_back(".vox");
2290   } else if (dimension == 4) {
2291     OutputListeFormat.push_back(".mhd");
2292     OutputListeFormat.push_back(".mha");
2293     OutputListeFormat.push_back(".nii");
2294     OutputListeFormat.push_back(".nrrd");
2295     OutputListeFormat.push_back(".nhdr");
2296   }
2297   QString Extensions = "AllFiles(*.*)";
2298   for (int i = 0; i < OutputListeFormat.count(); i++) {
2299     Extensions += ";;Images ( *";
2300     Extensions += OutputListeFormat[i];
2301     Extensions += ")";
2302   }
2303   QString fileName = QFileDialog::getSaveFileName(this,
2304                      tr("Save As"),
2305                      mSlicerManagers[index]->GetFileName().c_str(),
2306                      Extensions);
2307   if (!fileName.isEmpty()) {
2308     std::string fileformat = itksys::SystemTools::GetFilenameLastExtension(fileName.toStdString());
2309     if (OutputListeFormat.contains(
2310           fileformat.c_str())) {
2311       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2312       std::string action = "Saving";
2313       vvProgressDialog progress("Saving "+fileName.toStdString());
2314       qApp->processEvents();
2315       vvImageWriter::Pointer writer = vvImageWriter::New();
2316       writer->SetOutputFileName(fileName.toStdString());
2317       writer->SetInput(mSlicerManagers[index]->GetImage());
2318
2319       // Check on transform and prompt user
2320       writer->SetSaveTransform(false);
2321       bool bId = true;
2322       for(int i=0; i<4; i++)
2323         for(int j=0; j<4; j++) {
2324           // TODO SR and BP: check on the list of transforms and not the first only
2325           double elt = mSlicerManagers[index]->GetImage()->GetTransform()[0]->GetMatrix()->GetElement(i,j);
2326           if(i==j && elt!=1.)
2327             bId = false;
2328           if(i!=j && elt!=0.)
2329             bId = false;
2330         }
2331       if( !bId ) {
2332         QString warning = "The image has an associated linear transform. Do you want to save it along?";
2333         QMessageBox msgBox(QMessageBox::Warning, tr("Save transform"), warning, 0, this);
2334         msgBox.addButton(tr("Yes"), QMessageBox::AcceptRole);
2335         msgBox.addButton(tr("No"), QMessageBox::RejectRole);
2336         if (msgBox.exec() == QMessageBox::AcceptRole)
2337           writer->SetSaveTransform(true);
2338       }
2339
2340       writer->Update();
2341       QApplication::restoreOverrideCursor();
2342       if (writer->GetLastError().size()) {
2343         QString error = "Saving did not succeed\n";
2344         error += writer->GetLastError().c_str();
2345         QMessageBox::information(this,tr("Saving Problem"),error);
2346         SaveAs();
2347       }
2348     } else {
2349       QString error = fileformat.c_str();
2350       if (error.isEmpty())
2351         error += "no file format specified !";
2352       else
2353         error += " format unknown !!!\n";
2354       QMessageBox::information(this,tr("Saving Problem"),error);
2355       SaveAs();
2356     }
2357   }
2358 }
2359 //------------------------------------------------------------------------------
2360
2361 //------------------------------------------------------------------------------
2362 void vvMainWindow::SaveCurrentState()
2363 {
2364   QString Extensions = "XML Files(*.xml)";
2365   QString fileName = QFileDialog::getSaveFileName(this,
2366                      tr("Save Current Window State"),
2367                      "",
2368                      Extensions);
2369
2370   SaveCurrentStateAs(fileName.toStdString());
2371 }
2372 //------------------------------------------------------------------------------
2373
2374 //------------------------------------------------------------------------------
2375 void vvMainWindow::SaveCurrentStateAs(const std::string& stateFile)
2376 {
2377   vvSaveState save_state;
2378   save_state.Run(this, stateFile);
2379 }
2380
2381 //------------------------------------------------------------------------------
2382 void vvMainWindow::ReadSavedState()
2383 {
2384   QString Extensions = "XML Files(*.xml)";
2385   QString fileName = QFileDialog::getOpenFileName(this,
2386                      tr("Load Window State"),
2387                      "",
2388                      Extensions);
2389
2390   ReadSavedStateFile(fileName.toStdString());
2391 }
2392 //------------------------------------------------------------------------------
2393
2394 //------------------------------------------------------------------------------
2395 void vvMainWindow::ReadSavedStateFile(const std::string& stateFile)
2396 {
2397   vvReadState read_state;
2398   read_state.Run(this, stateFile);
2399 }
2400 //------------------------------------------------------------------------------
2401
2402 //------------------------------------------------------------------------------
2403 void vvMainWindow::LinkAllImages()
2404 {
2405         linkPanel->linkAll();
2406 }
2407
2408 //------------------------------------------------------------------------------
2409 void vvMainWindow::AddLink(QString image1,QString image2)
2410 {
2411   unsigned int sm1 = 0;
2412   unsigned int sm2 = 0;
2413
2414   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2415     if (image1.toStdString() == mSlicerManagers[i]->GetId()) {
2416       mSlicerManagers[i]->AddLink(image2.toStdString());
2417       sm1 = i;
2418     }
2419     if (image2.toStdString() == mSlicerManagers[i]->GetId()) {
2420       mSlicerManagers[i]->AddLink(image1.toStdString());
2421       sm2 = i;
2422     }
2423   }
2424
2425   if (linkPanel->isLinkAll())   {
2426     emit UpdateLinkedNavigation(mSlicerManagers[sm1]->GetId(), mSlicerManagers[mCurrentPickedImageIndex], mSlicerManagers[mCurrentPickedImageIndex]->GetSlicer(0));
2427     emit UpdateLinkedNavigation(mSlicerManagers[sm2]->GetId(), mSlicerManagers[mCurrentPickedImageIndex], mSlicerManagers[mCurrentPickedImageIndex]->GetSlicer(0));
2428   } else {
2429     emit UpdateLinkedNavigation(mSlicerManagers[sm2]->GetId(), mSlicerManagers[sm1], mSlicerManagers[sm1]->GetSlicer(0));
2430   }
2431 }
2432
2433 //------------------------------------------------------------------------------
2434
2435
2436 //------------------------------------------------------------------------------
2437 void vvMainWindow::RemoveLink(QString image1,QString image2)
2438 {
2439   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2440     if (image1.toStdString() == mSlicerManagers[i]->GetId()) {
2441       mSlicerManagers[i]->RemoveLink(image2.toStdString());
2442     }
2443     if (image2.toStdString() == mSlicerManagers[i]->GetId()) {
2444       mSlicerManagers[i]->RemoveLink(image1.toStdString());
2445     }
2446   }
2447 }
2448 //------------------------------------------------------------------------------
2449
2450 //------------------------------------------------------------------------------
2451 void vvMainWindow::ChangeImageWithIndexOffset(vvSlicerManager *sm, int slicer, int offset)
2452 {
2453   if(mSlicerManagers.size()==1)
2454     return;
2455
2456   int index = 0;
2457   while(sm != mSlicerManagers[index])
2458     index++;
2459   index = (index+offset+mSlicerManagers.size()) % mSlicerManagers.size();
2460
2461   QTreeWidgetItem* item = GetItemFromSlicerManager(mSlicerManagers[index]);
2462   item->setData(slicer+1,Qt::CheckStateRole,2);         //change checkbox
2463   CurrentImageChanged(mSlicerManagers[index]->GetId()); //select new image
2464   DisplayChanged(item,slicer+1);
2465 }
2466 //------------------------------------------------------------------------------
2467
2468 void vvMainWindow::HorizontalSliderMoved(int value,int column, int slicer_index)
2469 {
2470   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2471     if (DataTree->topLevelItem(i)->data(column,Qt::CheckStateRole).toInt() > 1) {
2472       for (int j = 0; j < 4; j++) {
2473         mSlicerManagers[i]->SetTSliceInSlicer(value,j);
2474         //if (mSlicerManagers[i]->GetSlicer(j)->GetImageActor()->GetVisibility())
2475         //UpdateTSlice(j,value);
2476       }
2477       mSlicerManagers[i]->GetSlicer(slicer_index)->Render();
2478       break;
2479     }
2480   }
2481 }
2482 //------------------------------------------------------------------------------
2483
2484
2485 //------------------------------------------------------------------------------
2486 void vvMainWindow::NOHorizontalSliderMoved()
2487 {
2488   // if (mCurrentTime == NOHorizontalSlider->value()) return;
2489   HorizontalSliderMoved(NOHorizontalSlider->value(),COLUMN_UL_VIEW,0);
2490 //  mCurrentTime = NOHorizontalSlider->value();
2491 }
2492 //------------------------------------------------------------------------------
2493
2494
2495 //------------------------------------------------------------------------------
2496 void vvMainWindow::NEHorizontalSliderMoved()
2497 {
2498   // if (mCurrentTime == NEHorizontalSlider->value()) return;
2499   HorizontalSliderMoved(NEHorizontalSlider->value(),COLUMN_UR_VIEW,1);
2500 //  mCurrentTime = NEHorizontalSlider->value();
2501 }
2502 //------------------------------------------------------------------------------
2503
2504
2505 //------------------------------------------------------------------------------
2506 void vvMainWindow::SOHorizontalSliderMoved()
2507 {
2508   // if (mCurrentTime == SOHorizontalSlider->value()) return;
2509   HorizontalSliderMoved(SOHorizontalSlider->value(),COLUMN_DL_VIEW,2);
2510   // mCurrentTime = SOHorizontalSlider->value();
2511 }
2512 //------------------------------------------------------------------------------
2513
2514
2515 //------------------------------------------------------------------------------
2516 void vvMainWindow::SEHorizontalSliderMoved()
2517 {
2518   // if (mCurrentTime == SEHorizontalSlider->value()) return;
2519   HorizontalSliderMoved(SEHorizontalSlider->value(),COLUMN_DR_VIEW,3);
2520   // mCurrentTime = SEHorizontalSlider->value();
2521 }
2522 //------------------------------------------------------------------------------
2523
2524 //------------------------------------------------------------------------------
2525 void vvMainWindow::NOVerticalSliderChanged()
2526 {
2527   static int value=-1;
2528   if (value == NOVerticalSlider->value()) return;
2529   else value = NOVerticalSlider->value();
2530   //  int value = NOVerticalSlider->value();
2531   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2532     if (DataTree->topLevelItem(i)->data(COLUMN_UL_VIEW,Qt::CheckStateRole).toInt() > 1) {
2533       if (mSlicerManagers[i]->GetSlicer(0)->GetSlice() != value) {
2534         mSlicerManagers[i]->GetSlicer(0)->SetSlice(value);
2535         mSlicerManagers[i]->VerticalSliderHasChanged(0, value);
2536
2537         // If nor Update/Render -> slider not work
2538         // only render = ok navigation, but for contour Update needed but slower ?
2539
2540         mSlicerManagers[i]->UpdateSlice(0);  // <-- DS add this. Not too much update ? YES. but needed for ImageContour ...
2541         //mSlicerManagers[i]->GetSlicer(0)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2542       }
2543       break;
2544     }
2545   }
2546 }
2547 //------------------------------------------------------------------------------
2548
2549
2550 //------------------------------------------------------------------------------
2551 void vvMainWindow::NEVerticalSliderChanged()
2552 {
2553   static int value=-1;
2554   if (value == NEVerticalSlider->value()) return;
2555   else value = NEVerticalSlider->value();
2556   //  int value = NEVerticalSlider->value();
2557   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2558     if (DataTree->topLevelItem(i)->data(COLUMN_UR_VIEW,Qt::CheckStateRole).toInt() > 1) {
2559       if (mSlicerManagers[i]->GetSlicer(1)->GetSlice() != value) {
2560         mSlicerManagers[i]->GetSlicer(1)->SetSlice(value);
2561         mSlicerManagers[i]->VerticalSliderHasChanged(1, value);
2562         mSlicerManagers[i]->UpdateSlice(1);
2563         //mSlicerManagers[i]->GetSlicer(1)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2564       }
2565       break;
2566     }
2567   }
2568 }
2569 //------------------------------------------------------------------------------
2570
2571
2572 //------------------------------------------------------------------------------
2573 void vvMainWindow::SOVerticalSliderChanged()
2574 {
2575   static int value=-1;
2576   if (value == SOVerticalSlider->value()) return;
2577   else value = SOVerticalSlider->value();
2578   //int value = SOVerticalSlider->value();
2579   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2580     if (DataTree->topLevelItem(i)->data(COLUMN_DL_VIEW,Qt::CheckStateRole).toInt() > 1) {
2581       if (mSlicerManagers[i]->GetSlicer(2)->GetSlice() != value) {
2582         mSlicerManagers[i]->GetSlicer(2)->SetSlice(value);
2583         mSlicerManagers[i]->VerticalSliderHasChanged(2, value);
2584         mSlicerManagers[i]->UpdateSlice(2);
2585         //mSlicerManagers[i]->GetSlicer(2)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2586       }
2587       // else { DD("avoid SOVerticalSlider slicer update"); }
2588       break;
2589     }
2590   }
2591 }
2592 //------------------------------------------------------------------------------
2593
2594
2595 //------------------------------------------------------------------------------
2596 void vvMainWindow::SEVerticalSliderChanged()
2597 {
2598   static int value=-1;
2599   if (value == SEVerticalSlider->value()) return;
2600   else value = SEVerticalSlider->value();
2601   // int value = SEVerticalSlider->value();
2602   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2603     if (DataTree->topLevelItem(i)->data(COLUMN_DR_VIEW,Qt::CheckStateRole).toInt() > 1) {
2604       if (mSlicerManagers[i]->GetSlicer(3)->GetSlice() != value) {
2605         mSlicerManagers[i]->GetSlicer(3)->SetSlice(value);
2606         mSlicerManagers[i]->VerticalSliderHasChanged(3, value);
2607         mSlicerManagers[i]->UpdateSlice(3);
2608         //mSlicerManagers[i]->GetSlicer(3)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2609       }
2610       break;
2611     }
2612   }
2613 }
2614 //------------------------------------------------------------------------------
2615
2616
2617 //------------------------------------------------------------------------------
2618 void vvMainWindow::UpdateSlice(int slicer, int slice)
2619 {
2620   // DD("vvMainWindow::UpdateSlice");
2621 //   DD(slicer);
2622 //   DD(slice);
2623   if (slicer == 0) {
2624     //    if (slice != NOVerticalSlider->value())
2625     NOVerticalSlider->setValue(slice);
2626   } else {
2627     if (slicer == 1)
2628       NEVerticalSlider->setValue(slice);
2629     else {
2630       if (slicer == 2)
2631         SOVerticalSlider->setValue(slice);
2632       else {
2633         if (slicer == 3)
2634           SEVerticalSlider->setValue(slice);
2635       }
2636     }
2637   }
2638   // DD("vvMainWindow:UpdateSlice END");
2639 }
2640 //------------------------------------------------------------------------------
2641
2642
2643 //------------------------------------------------------------------------------
2644 void vvMainWindow::UpdateTSlice(int slicer, int slice)
2645 {
2646   switch (slicer) {
2647   case 0:
2648     NOHorizontalSlider->setValue(slice);
2649     break;
2650   case 1:
2651     NEHorizontalSlider->setValue(slice);
2652     break;
2653   case 2:
2654     SOHorizontalSlider->setValue(slice);
2655     break;
2656   case 3:
2657     SEHorizontalSlider->setValue(slice);
2658     break;
2659   }
2660 }
2661 //------------------------------------------------------------------------------
2662
2663
2664 //------------------------------------------------------------------------------
2665 void vvMainWindow::UpdateSliceRange(int slicer, int min, int max, int tmin, int tmax)
2666 {
2667   int position = int((min+max)/2);
2668   if (slicer == 0) {
2669     NOVerticalSlider->setValue(position);
2670     NOVerticalSlider->setRange(min,max);
2671     NOHorizontalSlider->setRange(tmin,tmax);
2672   } else if (slicer == 1) {
2673     NEVerticalSlider->setValue(position);
2674     NEVerticalSlider->setRange(min,max);
2675     NEHorizontalSlider->setRange(tmin,tmax);
2676   } else if (slicer == 2) {
2677     SOVerticalSlider->setValue(position);
2678     SOVerticalSlider->setRange(min,max);
2679     SOHorizontalSlider->setRange(tmin,tmax);
2680   } else if (slicer == 3) {
2681     SEVerticalSlider->setValue(position);
2682     SEVerticalSlider->setRange(min,max);
2683     SEHorizontalSlider->setRange(tmin,tmax);
2684   }
2685 }
2686 //------------------------------------------------------------------------------
2687
2688
2689 //------------------------------------------------------------------------------
2690 void vvMainWindow::SaveNOScreenshot()
2691 {
2692   SaveScreenshot(NOViewWidget);
2693 }
2694 //------------------------------------------------------------------------------
2695
2696
2697 //------------------------------------------------------------------------------
2698 void vvMainWindow::SaveNEScreenshot()
2699 {
2700   SaveScreenshot(NEViewWidget);
2701 }
2702 //------------------------------------------------------------------------------
2703
2704
2705 //------------------------------------------------------------------------------
2706 void vvMainWindow::SaveSOScreenshot()
2707 {
2708   SaveScreenshot(SOViewWidget);
2709 }
2710 //------------------------------------------------------------------------------
2711
2712
2713 //------------------------------------------------------------------------------
2714 void vvMainWindow::SaveSEScreenshot()
2715 {
2716   SaveScreenshot(SEViewWidget);
2717 }
2718 //------------------------------------------------------------------------------
2719
2720
2721 //------------------------------------------------------------------------------
2722 void vvMainWindow::SaveScreenshotAllSlices()
2723 {
2724   QVTKWidget *widget = NOViewWidget;
2725
2726   int index = 0;// GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2727   vvSlicerManager * SM = mSlicerManagers[index];
2728   vvImage * image = SM->GetImage();
2729   vvSlicer * slicer = SM->GetSlicer(0);
2730   int orientation = slicer->GetOrientation();
2731   int nbSlices = image->GetSize()[orientation];
2732   vtkSmartPointer<vtkRenderWindow>  renderWindow = widget->GetRenderWindow();
2733
2734   // Select filename base
2735   QString filename = QFileDialog::getSaveFileName(this,
2736                                                   tr("Save As (filename will be completed by slice number)"),
2737                                                   itksys::SystemTools::GetFilenamePath(mSlicerManagers[index]->GetFileName()).c_str(),
2738                                                   "Images( *.png);;Images( *.jpg)");
2739
2740   // Loop on slices
2741   for(int i=0; i<nbSlices; i++) {
2742     // Change the slice
2743     slicer->SetSlice(i); // -> change the slice of the current slicer
2744     SM->UpdateSlice(0); // --> this one emit UpdateSlice
2745     QCoreApplication::flush(); // -> needed to force display of contours
2746
2747     // Screenshot
2748     vtkSmartPointer<vtkWindowToImageFilter> windowToImageFilter = vtkSmartPointer<vtkWindowToImageFilter>::New();
2749     windowToImageFilter->SetInput(renderWindow);
2750     windowToImageFilter->SetMagnification(1);
2751     windowToImageFilter->SetInputBufferTypeToRGBA(); //also record the alpha (transparency) channel
2752     windowToImageFilter->Update();
2753
2754     vtkSmartPointer<vtkPNGWriter> writer = vtkSmartPointer<vtkPNGWriter>::New();
2755     std::string fn = itksys::SystemTools::GetFilenameWithoutLastExtension(filename.toStdString());
2756     std::string num = clitk::toString(i);
2757     if (i<10) num = "0"+num;
2758     if (i<100) num = "0"+num;
2759     if (i<1000) num = "0"+num;
2760
2761     fn = itksys::SystemTools::GetFilenamePath(filename.toStdString()) + "/"+ fn
2762       + "_" + num + itksys::SystemTools::GetFilenameLastExtension(filename.toStdString());
2763     writer->SetFileName(fn.c_str());
2764     writer->SetInput(windowToImageFilter->GetOutput());
2765     writer->Write();
2766   }
2767 }
2768 //------------------------------------------------------------------------------
2769
2770
2771 //------------------------------------------------------------------------------
2772 void vvMainWindow::SaveScreenshot(QVTKWidget *widget)
2773 {
2774   QString Extensions = "Images( *.png);;";
2775   Extensions += "Images( *.jpg);;";
2776   Extensions += "Images( *.bmp);;";
2777   Extensions += "Images( *.tif);;";
2778   Extensions += "Images( *.ppm)";
2779 #if defined(VTK_USE_FFMPEG_ENCODER) || defined(VTK_USE_VIDEO_FOR_WINDOWS)
2780   Extensions += ";;Video( *.avi)";
2781 #endif
2782 #ifdef VTK_USE_MPEG2_ENCODER
2783   Extensions += ";;Video( *.mpg)";
2784 #endif
2785 #ifdef CLITK_EXPERIMENTAL
2786   Extensions += ";;Video( *.gif)";
2787 #endif
2788
2789   int smIndex=GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2790   QString fileName = QFileDialog::getSaveFileName(this,
2791                      tr("Save As"),
2792                      itksys::SystemTools::GetFilenamePath(mSlicerManagers[smIndex]->GetFileName()).c_str(),
2793                      Extensions);
2794
2795   if (!fileName.isEmpty()) {
2796     vtkSmartPointer<vtkWindowToImageFilter> w2i = vtkSmartPointer<vtkWindowToImageFilter>::New();
2797     w2i->SetInput(widget->GetRenderWindow());
2798     w2i->Update();
2799     vtkImageData *image = w2i->GetOutput();
2800
2801     std::string ext(itksys::SystemTools::GetFilenameLastExtension(fileName.toStdString()));
2802
2803     // Image
2804     vtkImageWriter *imgwriter = NULL;
2805     if (ext==".bmp")
2806       imgwriter = vtkBMPWriter::New();
2807     else if (ext==".tif")
2808       imgwriter = vtkTIFFWriter::New();
2809     else if (ext==".ppm")
2810       imgwriter = vtkPNMWriter::New();
2811     else if (ext==".png")
2812       imgwriter = vtkPNGWriter::New();
2813     else if (ext==".jpg")
2814       imgwriter = vtkJPEGWriter::New();
2815
2816     // Snapshot image if not null
2817     if(imgwriter!=NULL) {
2818       imgwriter->SetInput(image);
2819       imgwriter->SetFileName(fileName.toStdString().c_str());
2820       imgwriter->Write();
2821       return;
2822     }
2823
2824     // Video
2825     vtkGenericMovieWriter *vidwriter = NULL;
2826 #if CLITK_EXPERIMENTAL == 1
2827     if (ext==".gif") {
2828       vvAnimatedGIFWriter *gif = vvAnimatedGIFWriter::New();
2829       vidwriter = gif;
2830
2831       // FPS
2832       bool ok;
2833       int fps = QInputDialog::getInteger(this, tr("Number of frames per second"),
2834                                      tr("FPS:"), 5, 0, 1000, 1, &ok);
2835       if(ok)
2836         gif->SetRate(fps);
2837
2838       // Loops
2839       int loops = QInputDialog::getInteger(this, tr("Loops"),
2840                                      tr("Number of loops (0 means infinite):"), 0, 0, 1000000000, 1, &ok);
2841       if(ok)
2842         gif->SetLoops(loops);
2843
2844       // Dithering
2845       QString msg = "Would you like to activate dithering?";
2846       QMessageBox msgBox(QMessageBox::Question, tr("Dithering"),msg, 0, this);
2847       msgBox.addButton(tr("Yes"), QMessageBox::AcceptRole);
2848       msgBox.addButton(tr("No"), QMessageBox::RejectRole);
2849       gif->SetDither(msgBox.exec() == QMessageBox::AcceptRole);
2850     }
2851 #endif
2852 #ifdef VTK_USE_VIDEO_FOR_WINDOWS
2853     if (ext==".avi") {
2854       vtkAVIWriter *mpg = vtkAVIWriter::New();
2855       vidwriter = mpg;
2856       mpg->SetQuality(2);
2857       bool ok;
2858       int fps = QInputDialog::getInteger(this, tr("Number of frames per second"),
2859                                      tr("FPS:"), 5, 0, 1024, 1, &ok);
2860       if(!ok)
2861         fps = 5;
2862       mpg->SetRate(fps);
2863     }
2864 #endif
2865 #ifdef VTK_USE_FFMPEG_ENCODER
2866     if (ext==".avi") {
2867       vtkFFMPEGWriter *mpg = vtkFFMPEGWriter::New();
2868       vidwriter = mpg;
2869       mpg->SetQuality(2);
2870       bool ok;
2871       int fps = QInputDialog::getInteger(this, tr("Number of frames per second"),
2872                                      tr("FPS:"), 5, 0, 1024, 1, &ok);
2873       if(!ok)
2874         fps = 5;
2875       mpg->SetRate(fps);
2876       mpg->SetBitRateTolerance(int(ceil(12.0*1024*1024/fps)));
2877     }
2878 #endif
2879 #ifdef VTK_USE_MPEG2_ENCODER
2880     if (ext==".mpg") {
2881       vtkMPEG2Writer *mpg = vtkMPEG2Writer::New();
2882       vidwriter = mpg;
2883     }
2884 #endif
2885
2886     // Take video if not null
2887     if(vidwriter!=NULL){
2888       vidwriter->SetInput(image);
2889       vidwriter->SetFileName(fileName.toStdString().c_str());
2890       vidwriter->Start();
2891       vvImage * vvImg = mSlicerManagers[smIndex]->GetImage();
2892       int nSlice = vvImg->GetVTKImages().size();
2893       for(int i=0; i<nSlice; i++) {
2894         mSlicerManagers[smIndex]->SetNextTSlice(0);
2895         vtkSmartPointer<vtkWindowToImageFilter> w2i = vtkSmartPointer<vtkWindowToImageFilter>::New();
2896         w2i->SetInput(widget->GetRenderWindow());
2897         w2i->Update();
2898         vidwriter->SetInput(w2i->GetOutput());
2899         vidwriter->Write();
2900       }
2901       vidwriter->End();
2902       vidwriter->Delete();
2903       return;
2904     }
2905
2906     QMessageBox::information(this,tr("Problem saving screenshot !"),tr("Cannot save image.\nPlease set a file extension !!!"));
2907   }
2908 }
2909 //------------------------------------------------------------------------------
2910
2911
2912 //------------------------------------------------------------------------------
2913 void vvMainWindow::GoToCursor()
2914 {
2915   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2916   for (int column = 1; column < 5; column++) {
2917     if (DataTree->selectedItems()[0]->data(column,Qt::CheckStateRole).toInt() > 1) {
2918       double* cursorPos = mSlicerManagers[index]->GetSlicer(column-1)->GetCursorPosition();
2919       mSlicerManagers[index]->GetSlicer(column-1)->SetCurrentPosition(
2920         cursorPos[0],cursorPos[1],cursorPos[2],cursorPos[3]);
2921       mSlicerManagers[index]->UpdateViews(1,column-1);
2922       mSlicerManagers[index]->UpdateLinked(column-1);
2923       break;
2924     }
2925   }
2926 }
2927 //------------------------------------------------------------------------------
2928
2929 //------------------------------------------------------------------------------
2930 void vvMainWindow::PlayPause()
2931 {
2932   if (playMode) {
2933     playMode = 0;
2934     playButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/player_play.png")));
2935     ImageInfoChanged();
2936     return;
2937   } else {
2938     int image_number=DataTree->topLevelItemCount();
2939     bool has_temporal;
2940     for (int i=0; i<image_number; i++)
2941       if (mSlicerManagers[i]->GetImage()->GetVTKImages().size() > 1) {
2942         has_temporal=true;
2943         break;
2944       }
2945     if (has_temporal) {
2946       playMode = 1;
2947       playButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/player_pause.png")));
2948       QTimer::singleShot(1000/mFrameRate, this, SLOT(PlayNext()));
2949     }
2950   }
2951 }
2952 //------------------------------------------------------------------------------
2953
2954 //------------------------------------------------------------------------------
2955 void vvMainWindow::PlayNext()
2956 {
2957   if (playMode && !this->isHidden()) {
2958     int image_number=DataTree->topLevelItemCount();
2959     ///Only play one slicer per SM, and only if the SM is being displayed
2960     for (int i=0; i<image_number; i++)
2961       for (int j=0; j<4; j++)
2962         if (mSlicerManagers[i]->GetImage()->GetVTKImages().size() > 1 &&
2963             DataTree->topLevelItem(i)->data(j+1,Qt::CheckStateRole).toInt() > 0) {
2964           mSlicerManagers[i]->SetNextTSlice(j);
2965           break;
2966         }
2967     QTimer::singleShot(1000/mFrameRate, this, SLOT(PlayNext()));
2968   }
2969 }
2970 //------------------------------------------------------------------------------
2971
2972 void vvMainWindow::ShowLastImage()
2973 {
2974   if (mSlicerManagers.size() > 1) {
2975     QTreeWidgetItem * item=DataTree->topLevelItem(DataTree->topLevelItemCount()-1);
2976     CurrentImageChanged(mSlicerManagers.back()->GetId()); //select new image
2977     item->setData(1,Qt::CheckStateRole,2); //show the new image in the first panel
2978     DisplayChanged(item,1);
2979   }
2980 }
2981
2982 //------------------------------------------------------------------------------
2983 void vvMainWindow::UpdateRenderWindows()
2984 {
2985   if (NOViewWidget->GetRenderWindow()) NOViewWidget->GetRenderWindow()->Render();
2986   if (NEViewWidget->GetRenderWindow()) NEViewWidget->GetRenderWindow()->Render();
2987   if (SOViewWidget->GetRenderWindow()) SOViewWidget->GetRenderWindow()->Render();
2988   if (SEViewWidget->GetRenderWindow()) SEViewWidget->GetRenderWindow()->Render();
2989 }
2990 //------------------------------------------------------------------------------
2991
2992 //------------------------------------------------------------------------------
2993 void vvMainWindow::SegmentationOnCurrentImage()
2994 {
2995   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2996
2997   vvSegmentationDialog segmentation;
2998   segmentation.SetImage(mSlicerManagers[index]->GetSlicer(0)->GetImage());
2999   segmentation.exec();
3000 }
3001 //------------------------------------------------------------------------------
3002
3003 void vvMainWindow::SurfaceViewerLaunch()
3004 {
3005   vvSurfaceViewerDialog surfaceViewer;
3006   surfaceViewer.exec();
3007 }
3008 //------------------------------------------------------------------------------
3009
3010
3011 //------------------------------------------------------------------------------
3012 int vvMainWindow::GetImageDuplicateFilenameNumber(std::string filename)
3013 {
3014   int number=0;
3015   for(unsigned int l=0; l<mSlicerManagers.size(); l++) {
3016     vvSlicerManager * v = mSlicerManagers[l];
3017     if (v->GetBaseFileName() ==
3018         vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename))) {
3019       number = std::max(number, v->GetBaseFileNameNumber()+1);
3020     }
3021   }
3022   return number;
3023 }
3024 //------------------------------------------------------------------------------
3025
3026
3027 //------------------------------------------------------------------------------
3028 vvSlicerManager* vvMainWindow::AddImage(vvImage::Pointer image,std::string filename)
3029 {
3030   // Change filename if another image exist with the same name
3031   int number = GetImageDuplicateFilenameNumber(filename);
3032
3033   // Create new SliceManager
3034   vvSlicerManager* slicer_manager = new vvSlicerManager(4);
3035   slicer_manager->SetImage(image);//, IMAGE, number);
3036   //  filename = filename+"_"+clitk::toString(number);
3037   slicer_manager->SetFilename(filename, number);
3038   mSlicerManagers.push_back(slicer_manager);
3039
3040   //create an item in the tree with good settings
3041   QTreeWidgetItem *item = new QTreeWidgetItem();
3042   item->setData(0,Qt::UserRole,slicer_manager->GetFileName().c_str());//files[i].c_str());
3043   item->setData(1,Qt::UserRole,tr("image"));
3044   item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,slicer_manager->GetFileName().c_str());//filename.c_str());
3045   qApp->processEvents();
3046
3047   for (int j = 1; j <= 4; j++) item->setData(j,Qt::CheckStateRole,1);
3048
3049   //Create the buttons for reload and close
3050   qApp->processEvents();
3051   QTreePushButton* cButton = new QTreePushButton;
3052   cButton->setItem(item);
3053   cButton->setColumn(COLUMN_CLOSE_IMAGE);
3054   cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
3055   connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
3056           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
3057
3058   QTreePushButton* rButton = new QTreePushButton;
3059   rButton->setItem(item);
3060   rButton->setColumn(COLUMN_RELOAD_IMAGE);
3061   rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
3062   rButton->setEnabled(0);
3063   connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
3064           this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
3065
3066   DataTree->addTopLevelItem(item);
3067   DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
3068   DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
3069
3070   //set the id of the image
3071   QString id = slicer_manager->GetFileName().c_str() + QString::number(mSlicerManagers.size()-1);
3072   item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
3073   mSlicerManagers.back()->SetId(id.toStdString());
3074
3075   linkPanel->addImage(slicer_manager->GetFileName().c_str()// filename
3076                       , id.toStdString());
3077
3078   connect(mSlicerManagers.back(), SIGNAL(currentImageChanged(std::string)),
3079           this, SLOT(CurrentImageChanged(std::string)));
3080   connect(mSlicerManagers.back(), SIGNAL(currentPickedImageChanged(std::string)),
3081           this, SLOT(CurrentPickedImageChanged(std::string)));
3082   connect(mSlicerManagers.back(), SIGNAL(UpdatePosition(int, double, double, double, double, double, double, double)),
3083           this, SLOT(MousePositionChanged(int,double, double, double, double, double, double, double)));
3084   connect(mSlicerManagers.back(), SIGNAL(UpdateVector(int, double, double, double, double)),
3085           this, SLOT(VectorChanged(int,double,double,double, double)));
3086   connect(mSlicerManagers.back(), SIGNAL(UpdateOverlay(int, double, double)),
3087           this, SLOT(OverlayChanged(int,double,double)));
3088   connect(mSlicerManagers.back(), SIGNAL(UpdateFusion(int, double)),
3089           this, SLOT(FusionChanged(int,double)));
3090   connect(mSlicerManagers.back(), SIGNAL(WindowLevelChanged()),
3091           this,SLOT(WindowLevelChanged()));
3092   connect(mSlicerManagers.back(), SIGNAL(UpdateSlice(int,int)),
3093           this,SLOT(UpdateSlice(int,int)));
3094   connect(mSlicerManagers.back(), SIGNAL(UpdateTSlice(int, int)),
3095           this,SLOT(UpdateTSlice(int, int)));
3096   connect(mSlicerManagers.back(), SIGNAL(UpdateTSlice(int, int)),
3097           this,SLOT(ImageInfoChanged()));
3098   connect(mSlicerManagers.back(), SIGNAL(UpdateSliceRange(int,int,int,int,int)),
3099           this,SLOT(UpdateSliceRange(int,int,int,int,int)));
3100   connect(mSlicerManagers.back(), SIGNAL(UpdateLinkManager(std::string,int,double,double,double,int)),
3101           this,SLOT(UpdateLinkManager(std::string,int,double,double,double,int)));
3102   connect(mSlicerManagers.back(), SIGNAL(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)),
3103           this,SLOT(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)));
3104   connect(mSlicerManagers.back(), SIGNAL(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)),
3105           this,SLOT(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)));
3106   connect(mSlicerManagers.back(), SIGNAL(LandmarkAdded()),landmarksPanel,SLOT(AddPoint()));
3107   UpdateTree();
3108   qApp->processEvents();
3109   InitSlicers();
3110   ShowLastImage();
3111   InitDisplay();
3112   qApp->processEvents();
3113
3114   // End
3115   ImageInfoChanged();
3116   return slicer_manager;
3117 }
3118 //------------------------------------------------------------------------------
3119
3120
3121 //------------------------------------------------------------------------------
3122 void vvMainWindow::UpdateCurrentSlicer()
3123 {
3124   int index = -1;
3125   if (DataTree->selectedItems().size() > 0) {
3126     index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
3127   }
3128   mSlicerManagerCurrentIndex = index;
3129 }
3130 //------------------------------------------------------------------------------
3131