+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
/*
* ModuleBase_WidgetMultiSelector.cpp
*
#include <ModuleBase_WidgetShapeSelector.h>
#include <ModuleBase_ISelection.h>
#include <ModuleBase_IWorkshop.h>
+#include <ModuleBase_IViewer.h>
#include <ModuleBase_Tools.h>
+#include <ModuleBase_Definitions.h>
#include <ModelAPI_Data.h>
#include <ModelAPI_Object.h>
#include <ModelAPI_AttributeSelectionList.h>
+#include <ModelAPI_AttributeRefList.h>
#include <Config_WidgetAPI.h>
#include <QString>
#include <QComboBox>
#include <QEvent>
+#include <QAction>
+#include <QApplication>
+#include <QClipboard>
+#include <QTimer>
-#include <boost/smart_ptr/shared_ptr.hpp>
+#include <memory>
#include <string>
+/**
+* Customization of a List Widget to make it to be placed on full width of container
+*/
+class CustomListWidget : public QListWidget
+{
+public:
+ /// Constructor
+ /// \param theParent a parent widget
+ CustomListWidget( QWidget* theParent )
+ : QListWidget( theParent )
+ {
+ }
+
+ /// Redefinition of virtual method
+ virtual QSize sizeHint() const
+ {
+ int aHeight = 2*QFontMetrics( font() ).height();
+ QSize aSize = QListWidget::sizeHint();
+ return QSize( aSize.width(), aHeight );
+ }
+
+ /// Redefinition of virtual method
+ virtual QSize minimumSizeHint() const
+ {
+ int aHeight = 4/*2*/*QFontMetrics( font() ).height();
+ QSize aSize = QListWidget::minimumSizeHint();
+ return QSize( aSize.width(), aHeight );
+ }
+
+#ifndef WIN32
+// The code is necessary only for Linux because
+//it can not update viewport on widget resize
+protected:
+ void resizeEvent(QResizeEvent* theEvent)
+ {
+ QListWidget::resizeEvent(theEvent);
+ QTimer::singleShot(5, viewport(), SLOT(repaint()));
+ }
+#endif
+};
+
ModuleBase_WidgetMultiSelector::ModuleBase_WidgetMultiSelector(QWidget* theParent,
ModuleBase_IWorkshop* theWorkshop,
const Config_WidgetAPI* theData,
const std::string& theParentId)
- : ModuleBase_ModelWidget(theParent, theData, theParentId),
- myWorkshop(theWorkshop), myIsActive(false), myUseSubShapes(false)
+ : ModuleBase_WidgetSelector(theParent, theWorkshop, theData, theParentId),
+ mySelectionCount(0)
{
- myMainWidget = new QWidget(theParent);
- QGridLayout* aMainLay = new QGridLayout(myMainWidget);
+ QGridLayout* aMainLay = new QGridLayout(this);
ModuleBase_Tools::adjustMargins(aMainLay);
- QLabel* aTypeLabel = new QLabel(tr("Type"), myMainWidget);
+ QLabel* aTypeLabel = new QLabel(tr("Type"), this);
aMainLay->addWidget(aTypeLabel, 0, 0);
- myTypeCombo = new QComboBox(myMainWidget);
- // There is no sence to paramerize list of types while we can not parametrize selection mode
- QString aTypesStr("Vertices Edges Faces Solids");
- QStringList aShapeTypes = aTypesStr.split(' ');
- myTypeCombo->addItems(aShapeTypes);
- aMainLay->addWidget(myTypeCombo, 0, 1);
+ myTypeCombo = new QComboBox(this);
+ // There is no sense to parameterize list of types while we can not parameterize selection mode
- QLabel* aListLabel = new QLabel(tr("Selected objects:"), myMainWidget);
- aMainLay->addWidget(aListLabel, 1, 0, 1, -1);
+ std::string aPropertyTypes = theData->getProperty("type_choice");
+ QString aTypesStr = aPropertyTypes.c_str();
+ QStringList aShapeTypes = aTypesStr.split(' ', QString::SkipEmptyParts);
- myListControl = new QListWidget(myMainWidget);
- aMainLay->addWidget(myListControl, 2, 0, 2, -1);
- aMainLay->setColumnStretch(1, 1);
- myMainWidget->setLayout(aMainLay);
+ myIsUseChoice = theData->getBooleanAttribute("use_choice", true);
+
+ if (!aShapeTypes.empty())
+ myTypeCombo->addItems(aShapeTypes);
+ aMainLay->addWidget(myTypeCombo, 0, 1);
+ // if the xml definition contains one type, the controls to select a type should not be shown
+ if (aShapeTypes.size() <= 1 || !myIsUseChoice) {
+ aTypeLabel->setVisible(false);
+ myTypeCombo->setVisible(false);
+ }
- //TODO: Move into the base class
- myUseSubShapes = theData->getBooleanAttribute("use_subshapes", false);
- //TODO_END
+ std::string aLabelText = theData->getProperty("label");
+ QLabel* aListLabel = new QLabel(!aLabelText.empty() ? aLabelText.c_str()
+ : tr("Selected objects:"), this);
+ aMainLay->addWidget(aListLabel, 1, 0);
+ // if the xml definition contains one type, an information label should be shown near to the latest
+ if (aShapeTypes.size() <= 1) {
+ QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
+ if (!aLabelIcon.isEmpty()) {
+ QLabel* aSelectedLabel = new QLabel("", this);
+ aSelectedLabel->setPixmap(QPixmap(aLabelIcon));
+ aMainLay->addWidget(aSelectedLabel, 1, 1);
+ }
+ aMainLay->setColumnStretch(2, 1);
+ }
+
+ myListControl = new CustomListWidget(this);
+ aMainLay->addWidget(myListControl, 2, 0, 1, -1);
+ aMainLay->setRowStretch(2, 1);
+ //aMainLay->addWidget(new QLabel(this)); //FIXME(sbh)???
+ //aMainLay->setRowMinimumHeight(3, 20);
+ //this->setLayout(aMainLay);
connect(myTypeCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(onSelectionTypeChanged()));
- activateSelection(true);
+
+ myCopyAction = new QAction(QIcon(":pictures/copy.png"), tr("Copy"), this);
+ myCopyAction->setShortcut(QKeySequence::Copy);
+ myCopyAction->setEnabled(false);
+ connect(myCopyAction, SIGNAL(triggered(bool)), SLOT(onCopyItem()));
+ myListControl->addAction(myCopyAction);
+ myListControl->setContextMenuPolicy(Qt::ActionsContextMenu);
+ connect(myListControl, SIGNAL(itemSelectionChanged()), SLOT(onListSelection()));
}
ModuleBase_WidgetMultiSelector::~ModuleBase_WidgetMultiSelector()
{
- activateSelection(false);
}
//********************************************************************
-bool ModuleBase_WidgetMultiSelector::storeValue() const
+bool ModuleBase_WidgetMultiSelector::storeValueCustom() const
{
+ // the value is stored on the selection changed signal processing
// A rare case when plugin was not loaded.
- if(!myFeature)
+ if (!myFeature)
return false;
- DataPtr aData = myFeature->data();
- AttributeSelectionListPtr aSelectionListAttr =
- boost::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aData->attribute(attributeID()));
- if (aSelectionListAttr) {
- aSelectionListAttr->clear();
- // Store shapes type
- TopAbs_ShapeEnum aCurrentType =
- ModuleBase_WidgetShapeSelector::shapeType(myTypeCombo->currentText());
- aSelectionListAttr->setSelectionType((int) aCurrentType);
- // Store selection in the attribute
- foreach (GeomSelection aSelec, mySelection) {
- aSelectionListAttr->append(aSelec.first, aSelec.second);
- }
- updateObject(myFeature);
- return true;
- }
- return false;
+ AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+ if (aSelectionListAttr.get()) {
+ aSelectionListAttr->setSelectionType(myTypeCombo->currentText().toStdString());
+ }
+ return true;
}
//********************************************************************
-bool ModuleBase_WidgetMultiSelector::restoreValue()
+bool ModuleBase_WidgetMultiSelector::restoreValueCustom()
{
// A rare case when plugin was not loaded.
- if(!myFeature)
+ if (!myFeature)
return false;
- DataPtr aData = myFeature->data();
- AttributeSelectionListPtr aSelectionListAttr =
- boost::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aData->attribute(attributeID()));
- if (aSelectionListAttr) {
- mySelection.clear();
+ AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+ if (aSelectionListAttr.get()) {
// Restore shape type
- TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum) aSelectionListAttr->selectionType();
- setCurrentShapeType(aShapeType);
- // Restore selection in the list
- for (int i = 0; i < aSelectionListAttr->size(); i++) {
- AttributeSelectionPtr aSelectAttr = aSelectionListAttr->value(i);
- mySelection.append(GeomSelection(aSelectAttr->context(), aSelectAttr->value()));
- }
- updateSelectionList();
- return true;
+ if (!aSelectionListAttr->selectionType().empty())
+ setCurrentShapeType(ModuleBase_Tools::shapeType(aSelectionListAttr->selectionType().c_str()));
}
- return false;
+ updateSelectionList();
+ return true;
}
//********************************************************************
-QWidget* ModuleBase_WidgetMultiSelector::getControl() const
+void ModuleBase_WidgetMultiSelector::storeAttributeValue()
{
- return myMainWidget;
+ ModuleBase_WidgetValidated::storeAttributeValue();
+
+ AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+ if (aSelectionListAttr.get()) {
+ mySelectionType = aSelectionListAttr->selectionType();
+ mySelectionCount = aSelectionListAttr->size();
+ }
+ else {
+ AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
+ mySelectionCount = aRefListAttr->size();
+ }
}
//********************************************************************
-QList<QWidget*> ModuleBase_WidgetMultiSelector::getControls() const
+void ModuleBase_WidgetMultiSelector::restoreAttributeValue(bool theValid)
{
- QList<QWidget*> result;
- //result << myTypeCombo;
- result << myListControl;
- return result;
+ ModuleBase_WidgetValidated::restoreAttributeValue(theValid);
+
+ // Store shape type
+ AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+ if (aSelectionListAttr.get()) {
+ aSelectionListAttr->setSelectionType(mySelectionType);
+
+ // restore selection in the attribute. Indeed there is only one stored object
+ int aCountAppened = aSelectionListAttr->size() - mySelectionCount;
+ for (int i = 0; i < aCountAppened; i++)
+ aSelectionListAttr->removeLast();
+ }
+ else {
+ AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
+ // restore objects in the attribute. Indeed there is only one stored object
+ int aCountAppened = aRefListAttr->size() - mySelectionCount;
+ for (int i = 0; i < aCountAppened; i++)
+ aRefListAttr->removeLast();
+ }
}
//********************************************************************
-bool ModuleBase_WidgetMultiSelector::eventFilter(QObject* theObj, QEvent* theEvent)
+void ModuleBase_WidgetMultiSelector::clearAttribute()
{
- if (theObj == myListControl) {
- if (theEvent->type() == QEvent::FocusIn)
- activateSelection(true);
+ AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+ if (aSelectionListAttr.get())
+ aSelectionListAttr->clear();
+ else {
+ AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
+ aRefListAttr->clear();
}
- return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
}
//********************************************************************
-void ModuleBase_WidgetMultiSelector::onSelectionChanged()
+void ModuleBase_WidgetMultiSelector::setObject(ObjectPtr theSelectedObject,
+ GeomShapePtr theShape)
{
- ModuleBase_ISelection* aSelection = myWorkshop->selection();
- NCollection_List<TopoDS_Shape> aSelectedShapes; //, aFilteredShapes;
- std::list<ObjectPtr> aOwnersList;
- aSelection->selectedShapes(aSelectedShapes, aOwnersList);
-
- mySelection.clear();
- std::list<ObjectPtr>::const_iterator aIt;
- NCollection_List<TopoDS_Shape>::Iterator aShpIt(aSelectedShapes);
- GeomShapePtr aShape;
- for (aIt = aOwnersList.cbegin(); aIt != aOwnersList.cend(); aShpIt.Next(), aIt++) {
- ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(*aIt);
- aShape = boost::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
- aShape->setImpl(new TopoDS_Shape(aShpIt.Value()));
- mySelection.append(GeomSelection(aResult, aShape));
+ AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+ if (aSelectionListAttr.get()) {
+ ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theSelectedObject);
+ aSelectionListAttr->append(aResult, theShape, myIsInValidate);
+ }
+ else {
+ AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
+ aRefListAttr->append(theSelectedObject);
}
- updateSelectionList();
- emit valuesChanged();
}
+//********************************************************************
+bool ModuleBase_WidgetMultiSelector::setSelection(QList<ModuleBase_ViewerPrs>& theValues,
+ const bool theToValidate)
+{
+ QList<ModuleBase_ViewerPrs> aSkippedValues;
+
+ QList<ModuleBase_ViewerPrs>::const_iterator anIt = theValues.begin(), aLast = theValues.end();
+ bool isDone = false;
+ for (; anIt != aLast; anIt++) {
+ ModuleBase_ViewerPrs aValue = *anIt;
+ bool aProcessed = false;
+ if (!theToValidate || isValidInFilters(aValue)) {
+ aProcessed = setSelectionCustom(aValue);
+ }
+ else
+ aSkippedValues.append(aValue);
+ // if there is at least one set, the result is true
+ isDone = isDone || aProcessed;
+ }
+ // updateObject - to update/redisplay feature
+ // it is commented in order to perfom it outside the method
+ //if (isDone) {
+ //updateObject(myFeature);
+ // this emit is necessary to call store/restore method an restore type of selection
+ //emit valuesChanged();
+ //}
+ theValues.clear();
+ if (!aSkippedValues.empty())
+ theValues.append(aSkippedValues);
+
+ return isDone;
+}
//********************************************************************
-void ModuleBase_WidgetMultiSelector::updateSelectionList()
+bool ModuleBase_WidgetMultiSelector::isValidSelectionCustom(const ModuleBase_ViewerPrs& thePrs)
{
- QString aType;
- if (myTypeCombo->currentText().toLower() == "vertices")
- aType = "vertex";
- else if (myTypeCombo->currentText().toLower() == "edges")
- aType = "edge";
- else if (myTypeCombo->currentText().toLower() == "faces")
- aType = "face";
- else if (myTypeCombo->currentText().toLower() == "solids")
- aType = "solid";
-
- myListControl->clear();
- int i = 1;
- foreach (GeomSelection aSel, mySelection) {
- QString aName(aSel.first->data()->name().c_str());
- aName += ":" + aType + QString("_%1").arg(i);
- myListControl->addItem(aName);
- i++;
+ bool aValid = ModuleBase_WidgetSelector::isValidSelectionCustom(thePrs);
+ if (aValid) {
+ ResultPtr aResult = myWorkshop->selection()->getResult(thePrs);
+ aValid = aResult.get() != NULL;
+ if (aValid) {
+ if (myFeature) {
+ // We can not select a result of our feature
+ const std::list<ResultPtr>& aResList = myFeature->results();
+ std::list<ResultPtr>::const_iterator aIt;
+ bool isSkipSelf = false;
+ for (aIt = aResList.cbegin(); aIt != aResList.cend(); ++aIt) {
+ if ((*aIt) == aResult) {
+ isSkipSelf = true;
+ break;
+ }
+ }
+ if (isSkipSelf)
+ aValid = false;
+ }
+ }
}
+ return aValid;
}
+//********************************************************************
+QList<QWidget*> ModuleBase_WidgetMultiSelector::getControls() const
+{
+ QList<QWidget*> result;
+ //result << myTypeCombo;
+ result << myListControl;
+ return result;
+}
//********************************************************************
-void ModuleBase_WidgetMultiSelector::filterShapes(const NCollection_List<TopoDS_Shape>& theShapesToFilter,
- NCollection_List<TopoDS_Shape>& theResult)
+void ModuleBase_WidgetMultiSelector::onSelectionTypeChanged()
{
- if(myTypeCombo->count() == 0 || theShapesToFilter.IsEmpty())
- return;
- TopAbs_ShapeEnum aReferenceType =
- ModuleBase_WidgetShapeSelector::shapeType(myTypeCombo->currentText());
- NCollection_List<TopoDS_Shape>::Iterator anIter(theShapesToFilter);
- for (; anIter.More(); anIter.Next()) {
- TopoDS_Shape aShape = anIter.Value();
- if (aShape.IsNull() || aShape.ShapeType() != aReferenceType)
- continue;
- theResult.Append(aShape);
- }
+ activateSelectionAndFilters(true);
+ QList<ModuleBase_ViewerPrs> anEmptyList;
+ // This method will call Selection changed event which will call onSelectionChanged
+ // To clear mySelection, myListControl and storeValue()
+ // So, we don't need to call it
+ myWorkshop->setSelected(anEmptyList);
}
+void ModuleBase_WidgetMultiSelector::updateFocus()
+{
+ // Set focus to List control in order to make possible
+ // to use Tab key for transfer the focus to next widgets
+ myListControl->setCurrentRow(myListControl->model()->rowCount() - 1);
+ ModuleBase_Tools::setFocus(myListControl,
+ "ModuleBase_WidgetMultiSelector::onSelectionTypeChanged()");
+}
+
+//********************************************************************
+void ModuleBase_WidgetMultiSelector::updateSelectionName()
+{
+}
+
+//********************************************************************
+QIntList ModuleBase_WidgetMultiSelector::getShapeTypes() const
+{
+ QIntList aShapeTypes;
+
+ if (myTypeCombo->count() > 1 && myIsUseChoice) {
+ aShapeTypes.append(ModuleBase_Tools::shapeType(myTypeCombo->currentText()));
+ }
+ else {
+ for (int i = 0, aCount = myTypeCombo->count(); i < aCount; i++) {
+ TopAbs_ShapeEnum aType = ModuleBase_Tools::shapeType(myTypeCombo->itemText(i));
+ aShapeTypes.append(aType);
+ if (aType == TopAbs_SOLID)
+ aShapeTypes.append(TopAbs_COMPSOLID);
+ }
+ }
+ return aShapeTypes;
+}
//********************************************************************
void ModuleBase_WidgetMultiSelector::setCurrentShapeType(const TopAbs_ShapeEnum theShapeType)
{
QString aShapeTypeName;
+
for (int idx = 0; idx < myTypeCombo->count(); ++idx) {
aShapeTypeName = myTypeCombo->itemText(idx);
- TopAbs_ShapeEnum aRefType = ModuleBase_WidgetShapeSelector::shapeType(aShapeTypeName);
+ TopAbs_ShapeEnum aRefType = ModuleBase_Tools::shapeType(aShapeTypeName);
if(aRefType == theShapeType && idx != myTypeCombo->currentIndex()) {
+ activateSelectionAndFilters(false);
+ bool isBlocked = myTypeCombo->blockSignals(true);
myTypeCombo->setCurrentIndex(idx);
+ myTypeCombo->blockSignals(isBlocked);
+
+ activateSelectionAndFilters(true);
break;
}
}
}
+QList<ModuleBase_ViewerPrs> ModuleBase_WidgetMultiSelector::getAttributeSelection() const
+{
+ QList<ModuleBase_ViewerPrs> aSelected;
+ // Restore selection in the viewer by the attribute selection list
+ if(myFeature) {
+ AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+ if (aSelectionListAttr.get()) {
+ for (int i = 0; i < aSelectionListAttr->size(); i++) {
+ AttributeSelectionPtr anAttr = aSelectionListAttr->value(i);
+ ResultPtr anObject = anAttr->context();
+ if (anObject.get()) {
+ TopoDS_Shape aShape;
+ std::shared_ptr<GeomAPI_Shape> aShapePtr = anAttr->value();
+ if (aShapePtr.get()) {
+ aShape = aShapePtr->impl<TopoDS_Shape>();
+ }
+ aSelected.append(ModuleBase_ViewerPrs(anObject, aShape, NULL));
+ }
+ }
+ }
+ else {
+ AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
+ if (aRefListAttr.get()) {
+ for (int i = 0; i < aRefListAttr->size(); i++) {
+ ObjectPtr anObject = aRefListAttr->object(i);
+ if (anObject.get()) {
+ aSelected.append(ModuleBase_ViewerPrs(anObject, TopoDS_Shape(), NULL));
+ }
+ }
+ }
+ }
+ }
+ return aSelected;
+}
+
//********************************************************************
-void ModuleBase_WidgetMultiSelector::activateSelection(bool toActivate)
+void ModuleBase_WidgetMultiSelector::updateSelectionList()
{
- myIsActive = toActivate;
- if (myIsActive) {
- connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
- //onSelectionTypeChanged();
- } else {
- disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
- myWorkshop->deactivateSubShapesSelection();
+ myListControl->clear();
+
+ AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+ if (aSelectionListAttr.get()) {
+ for (int i = 0; i < aSelectionListAttr->size(); i++) {
+ AttributeSelectionPtr aAttr = aSelectionListAttr->value(i);
+ myListControl->addItem(aAttr->namingName().c_str());
+ }
+ }
+ else {
+ AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
+ for (int i = 0; i < aRefListAttr->size(); i++) {
+ ObjectPtr anObject = aRefListAttr->object(i);
+ if (anObject.get())
+ myListControl->addItem(anObject->data()->name().c_str());
+ }
}
+ // We have to call repaint because sometimes the List control is not updated
+ myListControl->repaint();
+}
+
+//********************************************************************
+std::string ModuleBase_WidgetMultiSelector::validatorType(const QString& theType) const
+{
+ std::string aType;
+
+ if (theType == "Vertices")
+ aType = "vertex";
+ else if (theType == "Edges")
+ aType = "edge";
+ else if (theType == "Faces")
+ aType = "face";
+ else if (theType == "Solids")
+ aType = "solid";
+
+ return aType;
}
-void ModuleBase_WidgetMultiSelector::activateShapeSelection()
+//********************************************************************
+void ModuleBase_WidgetMultiSelector::onCopyItem()
{
- QString aNewType = myTypeCombo->currentText();
- QIntList aList;
- aList.append(ModuleBase_WidgetShapeSelector::shapeType(aNewType));
- myWorkshop->activateSubShapesSelection(aList);
+ QList<QListWidgetItem*> aItems = myListControl->selectedItems();
+ QString aRes;
+ foreach(QListWidgetItem* aItem, aItems) {
+ if (!aRes.isEmpty())
+ aRes += "\n";
+ aRes += aItem->text();
+ }
+ if (!aRes.isEmpty()) {
+ QClipboard *clipboard = QApplication::clipboard();
+ clipboard->setText(aRes);
+ }
}
//********************************************************************
-void ModuleBase_WidgetMultiSelector::onSelectionTypeChanged()
+void ModuleBase_WidgetMultiSelector::onListSelection()
{
- QList<ObjectPtr> anEmptyList;
- myWorkshop->setSelected(anEmptyList);
- activateShapeSelection();
- onSelectionChanged();
+ QList<QListWidgetItem*> aItems = myListControl->selectedItems();
+ myCopyAction->setEnabled(!aItems.isEmpty());
}