+ ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+ (theOperation);
+ if (aFOperation) {
+ XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(workshop());
+ XGUI_PropertyPanel* aPropertyPanel = aWorkshop->propertyPanel();
+
+ ModuleBase_ModelWidget* aFilledWidget = 0;
+ bool aPostonedWidgetActivation = false;
+
+ FeaturePtr aFeature = aFOperation->feature();
+ /// Restart sketcher operations automatically
+ /// it is important to call method of sketch reentrant manager before filling of PP
+ /// because it fills some created feature attributes, these new values should be used
+ /// to fill the property panel
+ mySketchReentrantMgr->operationStarted(theOperation);
+
+ aWorkshop->fillPropertyPanel(aFOperation);
+ // filling the operation values by the current selection
+ // if the operation can be committed after the controls filling, the method perform should
+ // be stopped. Otherwise unnecessary presentations can be shown(e.g. operation prs in sketch)
+ bool isOperationCommitted = false;
+ if (!aFOperation->isEditOperation()) {
+ std::string aGreedAttributeId = ModuleBase_Tools::findGreedAttribute(workshop(), aFeature);
+ // if there is a greed attribute, automatic commit by preselection for this feature is prohibited
+ aFilledWidget = aFOperation->activateByPreselection(aGreedAttributeId);
+ if (currentOperation() != aFOperation)
+ isOperationCommitted = true;
+ else {
+ if (aGreedAttributeId.empty()) {
+ // a signal should be emitted before the next widget activation
+ // because, the activation of the next widget will give a focus to the widget. As a result
+ // the value of the widget is initialized. And commit may happens until the value is entered.
+ if (aFilledWidget) {
+ if (mySketchReentrantMgr->canBeCommittedByPreselection())
+ isOperationCommitted = mySketchMgr->operationActivatedByPreselection();
+ // activate the next obligatory widget
+ if (!isOperationCommitted)
+ aPropertyPanel->activateNextWidget(aFilledWidget);
+ }
+ }
+ else { // there is a greed widget
+ const QList<ModuleBase_ModelWidget*>& aWidgets = aPropertyPanel->modelWidgets();
+ std::string aFirstAttributeId = aWidgets.front()->attributeID();
+ // activate next widget after greeded if it is the first widget in the panel
+ // else the first panel widget is already activated by operation start
+ if (aFirstAttributeId == aGreedAttributeId)
+ aPostonedWidgetActivation = true;
+ }
+ }
+ } if (!isOperationCommitted) {
+ workshop()->updateCommandStatus();
+ aWorkshop->connectToPropertyPanel(true);
+ updateSketcherOnStart(aFOperation);
+ updatePresentationsOnStart(aFOperation);
+
+ // the objects of the current operation should be deactivated
+ QObjectPtrList anObjects;
+ anObjects.append(aFeature);
+ std::list<ResultPtr> aResults;
+ ModelAPI_Tools::allResults(aFeature, aResults);
+ std::list<ResultPtr>::const_iterator aIt;
+ for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
+ anObjects.append(*aIt);
+ }
+ QObjectPtrList::const_iterator anIt = anObjects.begin(), aLast = anObjects.end();
+ for (; anIt != aLast; anIt++)
+ aWorkshop->deactivateActiveObject(*anIt, false);
+ if (anObjects.size() > 0) {
+ XGUI_Displayer* aDisplayer = aWorkshop->displayer();
+ aDisplayer->updateViewer();
+ }
+ }
+ if (aPostonedWidgetActivation) {
+ // if the widget is an empty in the chain of activated widgets, the current operation
+ // is restarted. It should be performed after functionality of the operation starting
+ aPropertyPanel->activateNextWidget(aFilledWidget);
+ }
+ }
+}