src/XGUI/XGUI_ObjectsBrowser.cpp

   1 #include "XGUI_ObjectsBrowser.h"
   2 #include "XGUI_DocumentDataModel.h"
   3
   4 #include <ModelAPI_Data.h>
   5
   6 #include <QLayout>
   7 #include <QLabel>
   8 #include <QPixmap>
   9 #include <QEvent>
  10 #include <QMouseEvent>
  11
  12
  13
  14 XGUI_DataTree::XGUI_DataTree(QWidget* theParent)
  15   : QTreeView(theParent)
  16 {
  17   setHeaderHidden(true);
  18   setModel(new XGUI_DocumentDataModel(this));
  19
  20   connect(selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
  21           this, SLOT(onSelectionChanged(const QItemSelection&, const QItemSelection&)));
  22 }
  23
  24 XGUI_DataTree::~XGUI_DataTree()
  25 {
  26 }
  27
  28 XGUI_DocumentDataModel* XGUI_DataTree::dataModel() const
  29 {
  30   return static_cast<XGUI_DocumentDataModel*>(model());
  31 }
  32
  33
  34 void XGUI_DataTree::onSelectionChanged(const QItemSelection& theSelected,
  35                                              const QItemSelection& theDeselected)
  36 {
  37   mySelectedData.clear();
  38   QModelIndexList aIndexes = selectionModel()->selectedIndexes();
  39   XGUI_DocumentDataModel* aModel = dataModel();
  40   QModelIndexList::const_iterator aIt;
  41   for (aIt = aIndexes.constBegin(); aIt != aIndexes.constEnd(); ++aIt) {
  42     FeaturePtr aFeature = aModel->feature(*aIt);
  43     if (aFeature)
  44       mySelectedData.append(aFeature);
  45   }
  46   emit selectionChanged();
  47 }
  48
  49 void XGUI_DataTree::mouseDoubleClickEvent(QMouseEvent* theEvent)
  50 {
  51   if (theEvent->button() == Qt::LeftButton) {
  52     QModelIndex aIndex = currentIndex();
  53     XGUI_DocumentDataModel* aModel = dataModel();
  54
  55     if ((aModel->activePartIndex() != aIndex) && aModel->activePartIndex().isValid()) {
  56       setExpanded(aModel->activePartIndex(), false);
  57     }
  58     bool isChanged = aModel->activatedIndex(aIndex);
  59     QTreeView::mouseDoubleClickEvent(theEvent);
  60     if (isChanged) {
  61       if (aModel->activePartIndex().isValid())
  62         setExpanded(aIndex, true);
  63       emit activePartChanged(aModel->activePart());
  64     }
  65   } else
  66     QTreeView::mouseDoubleClickEvent(theEvent);
  67 }
  68
  69 void XGUI_DataTree::contextMenuEvent(QContextMenuEvent* theEvent)
  70 {
  71   emit contextMenuRequested(theEvent);
  72 }
  73
  74 //********************************************************************
  75 //********************************************************************
  76 //********************************************************************
  77 XGUI_ObjectsBrowser::XGUI_ObjectsBrowser(QWidget* theParent)
  78   : QWidget(theParent)
  79 {
  80   QVBoxLayout* aLayout = new QVBoxLayout(this);
  81   aLayout->setContentsMargins(0, 0, 0, 0);
  82   aLayout->setSpacing(0);
  83
  84   QFrame* aLabelWgt = new QFrame(this);
  85   aLabelWgt->setAutoFillBackground(true);
  86   QPalette aPalet = aLabelWgt->palette();
  87   aPalet.setColor(QPalette::Window, Qt::white);
  88   aLabelWgt->setPalette(aPalet);
  89
  90   aLayout->addWidget(aLabelWgt);
  91   QHBoxLayout* aLabelLay = new QHBoxLayout(aLabelWgt);
  92   aLabelLay->setContentsMargins(0, 0, 0, 0);
  93   aLabelLay->setSpacing(0);
  94
  95   QLabel* aLbl = new QLabel(aLabelWgt);
  96   aLbl->setPixmap(QPixmap(":pictures/assembly.png"));
  97   aLbl->setMargin(2);
  98
  99   aLbl->setAutoFillBackground(true);
 100
 101   aLabelLay->addWidget(aLbl);
 102
 103   myActiveDocLbl = new QLabel(tr("Part set"), aLabelWgt);
 104   myActiveDocLbl->setMargin(2);
 105
 106   myActiveDocLbl->installEventFilter(this);
 107
 108   aLabelLay->addWidget(myActiveDocLbl);
 109   aLabelLay->setStretch(1,1);
 110
 111   myTreeView = new XGUI_DataTree(this);
 112   aLayout->addWidget(myTreeView);
 113
 114   myDocModel = myTreeView->dataModel();
 115
 116   aLabelWgt->setFrameShape(myTreeView->frameShape());
 117   aLabelWgt->setFrameShadow(myTreeView->frameShadow());
 118
 119   connect(myTreeView, SIGNAL(selectionChanged()), this, SIGNAL(selectionChanged()));
 120   connect(myTreeView, SIGNAL(activePartChanged(FeaturePtr)), this, SLOT(onActivePartChanged(FeaturePtr)));
 121   connect(myTreeView, SIGNAL(activePartChanged(FeaturePtr)), this, SIGNAL(activePartChanged(FeaturePtr)));
 122   connect(myTreeView, SIGNAL(contextMenuRequested(QContextMenuEvent*)),
 123           this, SIGNAL(contextMenuRequested(QContextMenuEvent*)));
 124
 125   onActivePartChanged(FeaturePtr());
 126 }
 127
 128
 129 XGUI_ObjectsBrowser::~XGUI_ObjectsBrowser()
 130 {
 131 }
 132
 133
 134 void XGUI_ObjectsBrowser::onActivePartChanged(FeaturePtr thePart)
 135 {
 136   QPalette aPalet = myActiveDocLbl->palette();
 137   if (thePart) {
 138     //myActiveDocLbl->setText(tr("Activate Part set"));
 139     aPalet.setColor(QPalette::Foreground, Qt::black);
 140     myActiveDocLbl->setCursor(Qt::PointingHandCursor);
 141   }  else {
 142     //myActiveDocLbl->setText(tr("Part set is active"));
 143     aPalet.setColor(QPalette::Foreground, QColor(0, 72, 140));
 144     myActiveDocLbl->unsetCursor();
 145   }
 146   myActiveDocLbl->setPalette(aPalet);
 147 }
 148
 149 bool XGUI_ObjectsBrowser::eventFilter(QObject* obj, QEvent* theEvent)
 150 {
 151   if (obj == myActiveDocLbl) {
 152     if (theEvent->type() == QEvent::MouseButtonDblClick) {
 153       if (myDocModel->activePartIndex().isValid()) {
 154         myTreeView->setExpanded(myDocModel->activePartIndex(), false);
 155       }
 156       myDocModel->deactivatePart();
 157       onActivePartChanged(FeaturePtr());
 158       emit activePartChanged(FeaturePtr());
 159     }
 160   }
 161   return QWidget::eventFilter(obj, theEvent);
 162 }
 163
 164 void XGUI_ObjectsBrowser::activateCurrentPart(bool toActivate)
 165 {
 166   if (toActivate) {
 167     QModelIndex aIndex = myTreeView->currentIndex();
 168
 169     if ((myDocModel->activePartIndex() != aIndex) && myDocModel->activePartIndex().isValid()) {
 170       myTreeView->setExpanded(myDocModel->activePartIndex(), false);
 171     }
 172     bool isChanged = myDocModel->activatedIndex(aIndex);
 173     if ((isChanged) && (myDocModel->activePartIndex().isValid())) {
 174       myTreeView->setExpanded(aIndex, true);
 175       onActivePartChanged(myDocModel->feature(aIndex));
 176     }
 177   } else {
 178     QModelIndex aIndex = myDocModel->activePartIndex();
 179     if (aIndex.isValid()) {
 180       myDocModel->activatedIndex(aIndex);
 181       myTreeView->setExpanded(aIndex, false);
 182       onActivePartChanged(FeaturePtr());
 183     }
 184   }
 185 }