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