src/ModuleBase/ModuleBase_WidgetMultiSelector.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 /*
   4  * ModuleBase_WidgetMultiSelector.cpp
   5  *
   6  *  Created on: Aug 28, 2014
   7  *      Author: sbh
   8  */
   9
  10 #include <ModuleBase_WidgetMultiSelector.h>
  11 #include <ModuleBase_WidgetShapeSelector.h>
  12 #include <ModuleBase_FilterNoDegeneratedEdge.h>
  13 #include <ModuleBase_ISelection.h>
  14 #include <ModuleBase_IWorkshop.h>
  15 #include <ModuleBase_IViewer.h>
  16 #include <ModuleBase_Tools.h>
  17
  18 #include <ModelAPI_Data.h>
  19 #include <ModelAPI_Object.h>
  20
  21 #include <Config_WidgetAPI.h>
  22
  23 #include <QGridLayout>
  24 #include <QLabel>
  25 #include <QListWidget>
  26 #include <QObject>
  27 #include <QString>
  28 #include <QComboBox>
  29 #include <QEvent>
  30 #include <QAction>
  31 #include <QApplication>
  32 #include <QClipboard>
  33
  34 #include <memory>
  35 #include <string>
  36
  37 ModuleBase_WidgetMultiSelector::ModuleBase_WidgetMultiSelector(QWidget* theParent,
  38                                                                ModuleBase_IWorkshop* theWorkshop,
  39                                                                const Config_WidgetAPI* theData,
  40                                                                const std::string& theParentId)
  41     : ModuleBase_WidgetValidated(theParent, theData, theParentId),
  42       myWorkshop(theWorkshop), myIsActive(false)
  43 {
  44   QGridLayout* aMainLay = new QGridLayout(this);
  45   ModuleBase_Tools::adjustMargins(aMainLay);
  46
  47   QLabel* aTypeLabel = new QLabel(tr("Type"), this);
  48   aMainLay->addWidget(aTypeLabel, 0, 0);
  49
  50   myTypeCombo = new QComboBox(this);
  51   // There is no sence to paramerize list of types while we can not parametrize selection mode
  52
  53   std::string aPropertyTypes = theData->getProperty("type_choice");
  54   QString aTypesStr = aPropertyTypes.c_str();
  55   QStringList aShapeTypes = aTypesStr.split(' ');
  56
  57   myTypeCombo->addItems(aShapeTypes);
  58   aMainLay->addWidget(myTypeCombo, 0, 1);
  59   // if the xml definition contains one type, the controls to select a type should not be shown
  60   if (aShapeTypes.size() == 1) {
  61     aTypeLabel->setVisible(false);
  62     myTypeCombo->setVisible(false);
  63   }
  64
  65   QLabel* aListLabel = new QLabel(tr("Selected objects:"), this);
  66   aMainLay->addWidget(aListLabel, 1, 0);
  67   // if the xml definition contains one type, an information label should be shown near to the latest
  68   if (aShapeTypes.size() == 1) {
  69     QString aLabelText = QString::fromStdString(theData->widgetLabel());
  70     QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  71     QLabel* aSelectedLabel = new QLabel(aLabelText, this);
  72     if (!aLabelIcon.isEmpty())
  73       aSelectedLabel->setPixmap(QPixmap(aLabelIcon));
  74     aMainLay->addWidget(aSelectedLabel, 1, 1);
  75     aMainLay->setColumnStretch(2, 1);
  76   }
  77
  78   myListControl = new QListWidget(this);
  79   aMainLay->addWidget(myListControl, 2, 0, 2, -1);
  80   aMainLay->setRowStretch(2, 1);
  81   aMainLay->addWidget(new QLabel(this)); //FIXME(sbh)???
  82   aMainLay->setRowMinimumHeight(3, 20);
  83   this->setLayout(aMainLay);
  84   connect(myTypeCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(onSelectionTypeChanged()));
  85
  86   myCopyAction = new QAction(QIcon(":pictures/copy.png"), tr("Copy"), this);
  87   myCopyAction->setShortcut(QKeySequence::Copy);
  88   myCopyAction->setEnabled(false);
  89   connect(myCopyAction, SIGNAL(triggered(bool)), SLOT(onCopyItem()));
  90   myListControl->addAction(myCopyAction);
  91   myListControl->setContextMenuPolicy(Qt::ActionsContextMenu);
  92   connect(myListControl, SIGNAL(itemSelectionChanged()), SLOT(onListSelection()));
  93 }
  94
  95 ModuleBase_WidgetMultiSelector::~ModuleBase_WidgetMultiSelector()
  96 {
  97   myIsActive = false;
  98   activateShapeSelection();
  99 }
 100
 101 //********************************************************************
 102 void ModuleBase_WidgetMultiSelector::activateCustom()
 103 {
 104   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 105   connect(myWorkshop, SIGNAL(selectionChanged()),
 106           this,       SLOT(onSelectionChanged()),
 107           Qt::UniqueConnection);
 108
 109   myIsActive = true;
 110   activateShapeSelection();
 111 }
 112
 113 //********************************************************************
 114 void ModuleBase_WidgetMultiSelector::deactivate()
 115 {
 116   disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 117   myIsActive = false;
 118   activateShapeSelection();
 119 }
 120
 121 //********************************************************************
 122 bool ModuleBase_WidgetMultiSelector::storeValueCustom() const
 123 {
 124   // A rare case when plugin was not loaded.
 125   if(!myFeature)
 126     return false;
 127   DataPtr aData = myFeature->data();
 128   AttributeSelectionListPtr aSelectionListAttr =
 129     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aData->attribute(attributeID()));
 130
 131   if (aSelectionListAttr) {
 132     aSelectionListAttr->clear();
 133     // Store shapes type
 134     TopAbs_ShapeEnum aCurrentType =
 135           ModuleBase_WidgetShapeSelector::shapeType(myTypeCombo->currentText());
 136     aSelectionListAttr->setSelectionType(myTypeCombo->currentText().toStdString());
 137     // Store selection in the attribute
 138     foreach (GeomSelection aSelec, mySelection) {
 139       aSelectionListAttr->append(aSelec.first, aSelec.second);
 140     }
 141     //updateSelectionList(aSelectionListAttr);
 142     updateObject(myFeature);
 143     return true;
 144   }
 145   return false;
 146 }
 147
 148 //********************************************************************
 149 bool ModuleBase_WidgetMultiSelector::restoreValue()
 150 {
 151   // A rare case when plugin was not loaded.
 152   if(!myFeature)
 153     return false;
 154   DataPtr aData = myFeature->data();
 155   AttributeSelectionListPtr aSelectionListAttr =
 156     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aData->attribute(attributeID()));
 157
 158   if (aSelectionListAttr) {
 159     mySelection.clear();
 160     // Restore shape type
 161     setCurrentShapeType(
 162       ModuleBase_WidgetShapeSelector::shapeType(aSelectionListAttr->selectionType().c_str()));
 163     // Restore selection in the list
 164     for (int i = 0; i < aSelectionListAttr->size(); i++) {
 165       AttributeSelectionPtr aSelectAttr = aSelectionListAttr->value(i);
 166       mySelection.append(GeomSelection(aSelectAttr->context(), aSelectAttr->value()));
 167     }
 168     updateSelectionList(aSelectionListAttr);
 169     return true;
 170   }
 171   return false;
 172 }
 173
 174 //********************************************************************
 175 QList<QWidget*> ModuleBase_WidgetMultiSelector::getControls() const
 176 {
 177   QList<QWidget*> result;
 178   //result << myTypeCombo;
 179   result << myListControl;
 180   return result;
 181 }
 182
 183 //********************************************************************
 184 bool ModuleBase_WidgetMultiSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 185 {
 186   //TODO: Remove maybe?
 187   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 188 }
 189
 190 //********************************************************************
 191 void ModuleBase_WidgetMultiSelector::onSelectionTypeChanged()
 192 {
 193   activateShapeSelection();
 194   QObjectPtrList anEmptyList;
 195   myWorkshop->setSelected(anEmptyList);
 196   // Clear mySelection, myListControl and storeValue()
 197   onSelectionChanged();
 198 }
 199
 200 //********************************************************************
 201 void ModuleBase_WidgetMultiSelector::onSelectionChanged()
 202 {
 203   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 204   NCollection_List<TopoDS_Shape> aSelectedShapes; //, aFilteredShapes;
 205   std::list<ObjectPtr> aOwnersList;
 206   aSelection->selectedShapes(aSelectedShapes, aOwnersList);
 207
 208   mySelection.clear();
 209   std::list<ObjectPtr>::const_iterator aIt;
 210   NCollection_List<TopoDS_Shape>::Iterator aShpIt(aSelectedShapes);
 211   GeomShapePtr aShape;
 212   for (aIt = aOwnersList.cbegin(); aIt != aOwnersList.cend(); aShpIt.Next(), aIt++) {
 213     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(*aIt);
 214     if (myFeature) {
 215       // We can not select a result of our feature
 216       const std::list<ResultPtr>& aResList = myFeature->results();
 217       std::list<ResultPtr>::const_iterator aIt;
 218       bool isSkipSelf = false;
 219       for (aIt = aResList.cbegin(); aIt != aResList.cend(); ++aIt) {
 220         if ((*aIt) == aResult) {
 221           isSkipSelf = true;
 222           break;
 223         }
 224       }
 225       if(isSkipSelf)
 226         continue;
 227     }
 228     aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 229     aShape->setImpl(new TopoDS_Shape(aShpIt.Value()));
 230     mySelection.append(GeomSelection(aResult, aShape));
 231   }
 232   //updateSelectionList();
 233   emit valuesChanged();
 234 }
 235
 236 //********************************************************************
 237 void ModuleBase_WidgetMultiSelector::setCurrentShapeType(const TopAbs_ShapeEnum theShapeType)
 238 {
 239   QString aShapeTypeName;
 240
 241   for (int idx = 0; idx < myTypeCombo->count(); ++idx) {
 242     aShapeTypeName = myTypeCombo->itemText(idx);
 243     TopAbs_ShapeEnum aRefType = ModuleBase_WidgetShapeSelector::shapeType(aShapeTypeName);
 244     if(aRefType == theShapeType && idx != myTypeCombo->currentIndex()) {
 245       myIsActive = false;
 246       activateShapeSelection();
 247       bool isBlocked = myTypeCombo->blockSignals(true);
 248       myTypeCombo->setCurrentIndex(idx);
 249       myIsActive = true;
 250       myTypeCombo->blockSignals(isBlocked);
 251       activateShapeSelection();
 252       break;
 253     }
 254   }
 255 }
 256
 257 void ModuleBase_WidgetMultiSelector::activateShapeSelection()
 258 {
 259   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 260
 261   if (myIsActive) {
 262     QString aNewType = myTypeCombo->currentText();
 263     QIntList aList;
 264     aList.append(ModuleBase_WidgetShapeSelector::shapeType(aNewType));
 265     myWorkshop->activateSubShapesSelection(aList);
 266
 267     // it is necessary to filter the selected edges to be non-degenerated
 268     // it is not possible to build naming name for such edges
 269     if (aNewType == "Edges") {
 270       myEdgesTypeFilter = new ModuleBase_FilterNoDegeneratedEdge();
 271       aViewer->addSelectionFilter(myEdgesTypeFilter);
 272     }
 273     else {
 274       aViewer->removeSelectionFilter(myEdgesTypeFilter);
 275     }
 276
 277   } else {
 278     myWorkshop->deactivateSubShapesSelection();
 279     aViewer->removeSelectionFilter(myEdgesTypeFilter);
 280   }
 281
 282   activateFilters(myWorkshop, myIsActive);
 283 }
 284
 285 //********************************************************************
 286 void ModuleBase_WidgetMultiSelector::updateSelectionList(AttributeSelectionListPtr theList)
 287 {
 288   myListControl->clear();
 289   for (int i = 0; i < theList->size(); i++) {
 290     AttributeSelectionPtr aAttr = theList->value(i);
 291     myListControl->addItem(aAttr->namingName().c_str());
 292   }
 293 }
 294
 295 //********************************************************************
 296 void ModuleBase_WidgetMultiSelector::onCopyItem()
 297 {
 298   QList<QListWidgetItem*> aItems = myListControl->selectedItems();
 299   QString aRes;
 300   foreach(QListWidgetItem* aItem, aItems) {
 301     if (!aRes.isEmpty())
 302       aRes += "\n";
 303     aRes += aItem->text();
 304   }
 305   if (!aRes.isEmpty()) {
 306     QClipboard *clipboard = QApplication::clipboard();
 307     clipboard->setText(aRes);
 308   }
 309 }
 310
 311 //********************************************************************
 312 void ModuleBase_WidgetMultiSelector::onListSelection()
 313 {
 314   QList<QListWidgetItem*> aItems = myListControl->selectedItems();
 315   myCopyAction->setEnabled(!aItems.isEmpty());
 316 }
 317