vv/vvSaveState.cxx

   1 #include "vvSaveState.h"
   2 #include "vvMainWindow.h"
   3
   4 #include <QDir>
   5 #include <QFile>
   6 #include <QTreeWidget>
   7 #include <QTreeWidgetItem>
   8 #include <QXmlStreamWriter>
   9
  10 #include <cassert>
  11 #include <string>
  12
  13 vvSaveState::vvSaveState() : m_XmlWriter(new QXmlStreamWriter), m_File(new QFile)
  14 {
  15 }
  16
  17 vvSaveState::~vvSaveState()
  18 {
  19 }
  20
  21 void vvSaveState::Run(vvMainWindow* vvWindow, const std::string& file)
  22 {
  23   assert(vvWindow);
  24
  25   m_File->setFileName(file.c_str());
  26   m_File->remove();
  27   m_File->open(QIODevice::Text | QIODevice::ReadWrite);
  28
  29   m_Window = vvWindow;
  30
  31   m_XmlWriter->setDevice(m_File.get());
  32   m_XmlWriter->setAutoFormatting(true);
  33   m_XmlWriter->setAutoFormattingIndent(2);
  34   m_XmlWriter->writeStartDocument();
  35   m_XmlWriter->writeStartElement("VVState");
  36   SaveGlobals();
  37   SaveGUI();
  38   SaveTree();
  39   m_XmlWriter->writeEndDocument();
  40   m_XmlWriter->writeEndElement();
  41 }
  42
  43 void vvSaveState::SaveGlobals()
  44 {
  45   m_XmlWriter->writeStartElement("Globals");
  46   m_XmlWriter->writeEndElement();
  47 }
  48
  49 void vvSaveState::SaveTree()
  50 {
  51   QTreeWidget* tree = m_Window->GetTree();
  52   QTreeWidgetItem* item;
  53
  54   m_XmlWriter->writeStartElement("Images");
  55   for (int i = 0; i < tree->topLevelItemCount(); i++) {
  56     item = tree->topLevelItem(i);
  57     SaveImage(item, i);
  58   }
  59   m_XmlWriter->writeEndElement();
  60 }
  61
  62 void vvSaveState::SaveImage(QTreeWidgetItem* item, int index)
  63 {
  64   m_XmlWriter->writeStartElement("Image");
  65
  66   std::ostringstream indexStr;
  67   indexStr.str("");
  68   indexStr << index;
  69   m_XmlWriter->writeAttribute("Index", indexStr.str().c_str());
  70
  71   std::string filename = item->data(0, Qt::UserRole).toString().toStdString();
  72   m_XmlWriter->writeTextElement("FileName", QDir::current().absoluteFilePath(filename.c_str()));
  73
  74   QTreeWidgetItem* item_child;
  75   std::string role;
  76   for (int i = 0; i < item->childCount(); i++) {
  77     item_child = item->child(i);
  78     role = item_child->data(1,Qt::UserRole).toString().toStdString();
  79     if (role == "fusion")
  80       SaveFusion(item_child);
  81     else if (role == "overlay")
  82       SaveOverlay(item_child);
  83     else if (role == "vector")
  84       SaveVector(item_child);
  85   }
  86
  87   m_XmlWriter->writeEndElement();
  88 }
  89
  90 void vvSaveState::SaveFusion(QTreeWidgetItem* item)
  91 {
  92   m_XmlWriter->writeStartElement("Fusion");
  93   std::string filename = item->data(0, Qt::UserRole).toString().toStdString();
  94   m_XmlWriter->writeTextElement("FileName", QDir::current().absoluteFilePath(filename.c_str()));
  95   m_XmlWriter->writeEndElement();
  96 }
  97
  98 void vvSaveState::SaveOverlay(QTreeWidgetItem* item)
  99 {
 100   m_XmlWriter->writeStartElement("Overlay");
 101   std::string filename = item->data(0, Qt::UserRole).toString().toStdString();
 102   m_XmlWriter->writeTextElement("FileName", QDir::current().absoluteFilePath(filename.c_str()));
 103   m_XmlWriter->writeEndElement();
 104 }
 105
 106 void vvSaveState::SaveVector(QTreeWidgetItem* item)
 107 {
 108   m_XmlWriter->writeStartElement("Vector");
 109   std::string filename = item->data(0, Qt::UserRole).toString().toStdString();
 110   m_XmlWriter->writeTextElement("FileName", QDir::current().absoluteFilePath(filename.c_str()));
 111   m_XmlWriter->writeEndElement();
 112 }
 113
 114 void vvSaveState::SaveGUI()
 115 {
 116   m_XmlWriter->writeStartElement("GUI");
 117   m_XmlWriter->writeEndElement();
 118 }
 119