src/XGUI/XGUI_ObjectsBrowser.cpp

   1 #include "XGUI_ObjectsBrowser.h"
   2 #include "XGUI_DocumentDataModel.h"
   3
   4 #include <ModelAPI_Data.h>
   5 #include <ModelAPI_PluginManager.h>
   6 #include <ModelAPI_Document.h>
   7 #include <ModelAPI_Object.h>
   8
   9 #include <QLayout>
  10 #include <QLabel>
  11 #include <QLineEdit>
  12 #include <QPixmap>
  13 #include <QEvent>
  14 #include <QMouseEvent>
  15 #include <QAction>
  16
  17
  18
  19 XGUI_DataTree::XGUI_DataTree(QWidget* theParent)
  20   : QTreeView(theParent)
  21 {
  22   setHeaderHidden(true);
  23   setModel(new XGUI_DocumentDataModel(this));
  24   setEditTriggers(QAbstractItemView::NoEditTriggers);
  25
  26   connect(selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
  27           this, SLOT(onSelectionChanged(const QItemSelection&, const QItemSelection&)));
  28 }
  29
  30 XGUI_DataTree::~XGUI_DataTree()
  31 {
  32 }
  33
  34 XGUI_DocumentDataModel* XGUI_DataTree::dataModel() const
  35 {
  36   return static_cast<XGUI_DocumentDataModel*>(model());
  37 }
  38
  39
  40 void XGUI_DataTree::onSelectionChanged(const QItemSelection& theSelected,
  41                                              const QItemSelection& theDeselected)
  42 {
  43   mySelectedData.clear();
  44   QModelIndexList aIndexes = selectionModel()->selectedIndexes();
  45   XGUI_DocumentDataModel* aModel = dataModel();
  46   QModelIndexList::const_iterator aIt;
  47   for (aIt = aIndexes.constBegin(); aIt != aIndexes.constEnd(); ++aIt) {
  48     FeaturePtr aFeature = aModel->feature(*aIt);
  49     if (aFeature)
  50       mySelectedData.append(aFeature);
  51   }
  52   emit selectionChanged();
  53 }
  54
  55 void XGUI_DataTree::mouseDoubleClickEvent(QMouseEvent* theEvent)
  56 {
  57   if (theEvent->button() == Qt::LeftButton) {
  58     QModelIndex aIndex = currentIndex();
  59     XGUI_DocumentDataModel* aModel = dataModel();
  60
  61     if ((aModel->activePartIndex() != aIndex) && aModel->activePartIndex().isValid()) {
  62       setExpanded(aModel->activePartIndex(), false);
  63     }
  64     bool isChanged = aModel->activatedIndex(aIndex);
  65     QTreeView::mouseDoubleClickEvent(theEvent);
  66     if (isChanged) {
  67       if (aModel->activePartIndex().isValid())
  68         setExpanded(aIndex, true);
  69       emit activePartChanged(aModel->activePart());
  70     }
  71   } else
  72     QTreeView::mouseDoubleClickEvent(theEvent);
  73 }
  74
  75 void XGUI_DataTree::contextMenuEvent(QContextMenuEvent* theEvent)
  76 {
  77   emit contextMenuRequested(theEvent);
  78 }
  79
  80 void XGUI_DataTree::commitData(QWidget* theEditor)
  81 {
  82   QLineEdit* aEditor = dynamic_cast<QLineEdit*>(theEditor);
  83   if (aEditor) {
  84     QString aRes = aEditor->text();
  85     FeaturePtr aFeature = mySelectedData.first();
  86     PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
  87     aMgr->rootDocument()->startOperation();
  88     if (aFeature->data())
  89       aFeature->data()->setName(qPrintable(aRes));
  90     else
  91       boost::dynamic_pointer_cast<ModelAPI_Object>(aFeature)->setName(qPrintable(aRes));
  92     aMgr->rootDocument()->finishOperation();
  93   }
  94 }
  95
  96 //********************************************************************
  97 //********************************************************************
  98 //********************************************************************
  99 XGUI_ObjectsBrowser::XGUI_ObjectsBrowser(QWidget* theParent)
 100   : QWidget(theParent)
 101 {
 102   QVBoxLayout* aLayout = new QVBoxLayout(this);
 103   aLayout->setContentsMargins(0, 0, 0, 0);
 104   aLayout->setSpacing(0);
 105
 106   QFrame* aLabelWgt = new QFrame(this);
 107   aLabelWgt->setAutoFillBackground(true);
 108   QPalette aPalet = aLabelWgt->palette();
 109   aPalet.setColor(QPalette::Window, Qt::white);
 110   aLabelWgt->setPalette(aPalet);
 111
 112   aLayout->addWidget(aLabelWgt);
 113   QHBoxLayout* aLabelLay = new QHBoxLayout(aLabelWgt);
 114   aLabelLay->setContentsMargins(0, 0, 0, 0);
 115   aLabelLay->setSpacing(0);
 116
 117   QLabel* aLbl = new QLabel(aLabelWgt);
 118   aLbl->setPixmap(QPixmap(":pictures/assembly.png"));
 119   aLbl->setMargin(2);
 120
 121   aLbl->setAutoFillBackground(true);
 122
 123   aLabelLay->addWidget(aLbl);
 124
 125   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 126   DocumentPtr aDoc = aMgr->rootDocument();
 127   // TODO: Find a name of the root document
 128
 129   myActiveDocLbl = new QLineEdit(tr("Part set"), aLabelWgt);
 130   myActiveDocLbl->setReadOnly(true);
 131   myActiveDocLbl->setFrame(false);
 132   //myActiveDocLbl->setMargin(2);
 133   myActiveDocLbl->setContextMenuPolicy(Qt::CustomContextMenu);
 134
 135   myActiveDocLbl->installEventFilter(this);
 136
 137   aLabelLay->addWidget(myActiveDocLbl);
 138   aLabelLay->setStretch(1,1);
 139
 140   myTreeView = new XGUI_DataTree(this);
 141   aLayout->addWidget(myTreeView);
 142
 143   myDocModel = myTreeView->dataModel();
 144
 145   aLabelWgt->setFrameShape(myTreeView->frameShape());
 146   aLabelWgt->setFrameShadow(myTreeView->frameShadow());
 147
 148   connect(myTreeView, SIGNAL(selectionChanged()), this, SIGNAL(selectionChanged()));
 149   connect(myTreeView, SIGNAL(activePartChanged(FeaturePtr)), this, SLOT(onActivePartChanged(FeaturePtr)));
 150   connect(myTreeView, SIGNAL(activePartChanged(FeaturePtr)), this, SIGNAL(activePartChanged(FeaturePtr)));
 151
 152   connect(myActiveDocLbl, SIGNAL(customContextMenuRequested(const QPoint&)),
 153           this, SLOT(onLabelContextMenuRequested(const QPoint&)));
 154   connect(myTreeView, SIGNAL(contextMenuRequested(QContextMenuEvent*)),
 155           this, SLOT(onContextMenuRequested(QContextMenuEvent*)));
 156
 157   onActivePartChanged(FeaturePtr());
 158
 159   // Create internal actions
 160   QAction* aAction = new QAction(QIcon(":pictures/rename_edit.png"), tr("Rename"), this);
 161   aAction->setData("RENAME_CMD");
 162   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onEditItem()));
 163   addAction(aAction);
 164 }
 165
 166 //***************************************************
 167 XGUI_ObjectsBrowser::~XGUI_ObjectsBrowser()
 168 {
 169 }
 170
 171 //***************************************************
 172 void XGUI_ObjectsBrowser::onActivePartChanged(FeaturePtr thePart)
 173 {
 174   QPalette aPalet = myActiveDocLbl->palette();
 175   if (thePart) {
 176     aPalet.setColor(QPalette::Text, Qt::black);
 177   }  else {
 178     aPalet.setColor(QPalette::Text, QColor(0, 72, 140));
 179   }
 180   myActiveDocLbl->setPalette(aPalet);
 181 }
 182
 183 //***************************************************
 184 bool XGUI_ObjectsBrowser::eventFilter(QObject* obj, QEvent* theEvent)
 185 {
 186   if (obj == myActiveDocLbl) {
 187     if (myActiveDocLbl->isReadOnly()) {
 188       if (theEvent->type() == QEvent::MouseButtonDblClick) {
 189         if (myDocModel->activePartIndex().isValid()) {
 190           myTreeView->setExpanded(myDocModel->activePartIndex(), false);
 191         }
 192         myDocModel->deactivatePart();
 193         onActivePartChanged(FeaturePtr());
 194         emit activePartChanged(FeaturePtr());
 195       }
 196     } else {
 197       // End of editing by mouse click
 198       if (theEvent->type() == QEvent::MouseButtonRelease) {
 199         QMouseEvent* aEvent = (QMouseEvent*) theEvent;
 200         QPoint aPnt = mapFromGlobal(aEvent->globalPos());
 201         if (childAt(aPnt) != myActiveDocLbl) {
 202           closeDocNameEditing(true);
 203         }
 204       } else if (theEvent->type() == QEvent::KeyRelease) {
 205         QKeyEvent* aEvent = (QKeyEvent*) theEvent;
 206         switch (aEvent->key()) {
 207         case Qt::Key_Return: // Accept current input
 208           closeDocNameEditing(true);
 209           break;
 210         case Qt::Key_Escape: // Cancel the input
 211           closeDocNameEditing(false);
 212           break;
 213         }
 214       }
 215     }
 216   }
 217   return QWidget::eventFilter(obj, theEvent);
 218 }
 219
 220 //***************************************************
 221 void XGUI_ObjectsBrowser::closeDocNameEditing(bool toSave)
 222 {
 223   myActiveDocLbl->deselect();
 224   myActiveDocLbl->clearFocus();
 225   myActiveDocLbl->releaseMouse();
 226   myActiveDocLbl->setReadOnly(true);
 227   if (toSave) {
 228     // TODO: Save the name of root document
 229     PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 230     DocumentPtr aDoc = aMgr->rootDocument();
 231   } else {
 232     myActiveDocLbl->setText(myActiveDocLbl->property("OldText").toString());
 233   }
 234 }
 235
 236 //***************************************************
 237 void XGUI_ObjectsBrowser::activatePart(const FeaturePtr& thePart)
 238 {
 239   if (thePart) {
 240     QModelIndex aIndex = myDocModel->partIndex(thePart);
 241
 242     if ((myDocModel->activePartIndex() != aIndex) && myDocModel->activePartIndex().isValid()) {
 243       myTreeView->setExpanded(myDocModel->activePartIndex(), false);
 244     }
 245     bool isChanged = myDocModel->activatedIndex(aIndex);
 246     if (isChanged) {
 247       if (myDocModel->activePartIndex().isValid()) {
 248         myTreeView->setExpanded(aIndex.parent(), true);
 249         myTreeView->setExpanded(aIndex, true);
 250         onActivePartChanged(myDocModel->feature(aIndex));
 251       } else {
 252         onActivePartChanged(FeaturePtr());
 253       }
 254     }
 255   } else {
 256     QModelIndex aIndex = myDocModel->activePartIndex();
 257     if (aIndex.isValid()) {
 258       myDocModel->activatedIndex(aIndex);
 259       myTreeView->setExpanded(aIndex, false);
 260       onActivePartChanged(FeaturePtr());
 261     }
 262   }
 263 }
 264
 265 //***************************************************
 266 void XGUI_ObjectsBrowser::onContextMenuRequested(QContextMenuEvent* theEvent)
 267 {
 268   myFeaturesList = myTreeView->selectedFeatures();
 269   bool toEnable = myFeaturesList.size() > 0;
 270   foreach(QAction* aCmd, actions()) {
 271     aCmd->setEnabled(toEnable);
 272   }
 273   emit contextMenuRequested(theEvent);
 274 }
 275
 276 //***************************************************
 277 void XGUI_ObjectsBrowser::onLabelContextMenuRequested(const QPoint& thePnt)
 278 {
 279   myFeaturesList.clear();
 280   //Empty feature pointer means that selected root document
 281   myFeaturesList.append(FeaturePtr());
 282
 283   foreach(QAction* aCmd, actions()) {
 284     aCmd->setEnabled(true);
 285   }
 286   QContextMenuEvent aEvent( QContextMenuEvent::Mouse, thePnt, myActiveDocLbl->mapToGlobal(thePnt) );
 287   emit contextMenuRequested(&aEvent);
 288 }
 289
 290 //***************************************************
 291 void XGUI_ObjectsBrowser::onEditItem()
 292 {
 293   if (myFeaturesList.size() > 0) {
 294     FeaturePtr aFeature = myFeaturesList.first();
 295     if (aFeature) { // Selection happens in TreeView
 296       // Find index which corresponds the feature
 297       QModelIndex aIndex;
 298       foreach(QModelIndex aIdx, selectedIndexes()) {
 299         FeaturePtr aFea = dataModel()->feature(aIdx);
 300         if (dataModel()->feature(aIdx)->isSame(aFeature)) {
 301           aIndex = aIdx;
 302           break;
 303         }
 304       }
 305       if (aIndex.isValid()) {
 306         myTreeView->setCurrentIndex(aIndex);
 307         myTreeView->edit(aIndex);
 308       }
 309     } else { //Selection happens in Upper label
 310       myActiveDocLbl->setReadOnly(false);
 311       myActiveDocLbl->setFocus();
 312       myActiveDocLbl->selectAll();
 313       myActiveDocLbl->grabMouse();
 314       myActiveDocLbl->setProperty("OldText", myActiveDocLbl->text());
 315     }
 316   }
 317 }