+//********************************************************************
+bool ModuleBase_WidgetMultiSelector::canProcessAction(ModuleBase_ActionType theActionType,
+ bool& isActionEnabled)
+{
+ isActionEnabled = false;
+ bool aCanProcess = false;
+ switch (theActionType) {
+ case ActionUndo:
+ case ActionRedo: {
+ aCanProcess = true;
+ isActionEnabled = theActionType == ActionUndo ? myCurrentHistoryIndex > 0
+ : (mySelectedHistoryValues.size() > 0 &&
+ myCurrentHistoryIndex < mySelectedHistoryValues.size() - 1);
+ }
+ break;
+ default:
+ aCanProcess = ModuleBase_WidgetSelector::canProcessAction(theActionType, isActionEnabled);
+ break;
+ }
+ return aCanProcess;
+}
+
+//********************************************************************
+bool ModuleBase_WidgetMultiSelector::processAction(ModuleBase_ActionType theActionType,
+ const ActionParamPtr& theParam)
+{
+ switch (theActionType) {
+ case ActionUndo:
+ case ActionRedo: {
+ ActionIntParamPtr aParam =
+ std::dynamic_pointer_cast<ModuleBase_ActionIntParameter>(theParam);
+ int aNb = aParam->value();
+ if (theActionType == ActionUndo)
+ myCurrentHistoryIndex -= aNb;
+ else
+ myCurrentHistoryIndex += aNb;
+ QList<ModuleBase_ViewerPrsPtr> aSelected = mySelectedHistoryValues[myCurrentHistoryIndex];
+ // equal vertices should not be used here
+ ModuleBase_ISelection::filterSelectionOnEqualPoints(aSelected);
+ bool isDone = setSelection(aSelected,
+ false /*need not validate because values already was in list*/);
+ updateOnSelectionChanged(isDone);
+
+ myWorkshop->updateCommandStatus();
+#ifdef DEBUG_UNDO_REDO
+ printHistoryInfo(QString("processAction %1").arg(theActionType == ActionUndo ? "Undo"
+ : "Redo"), myCurrentHistoryIndex, mySelectedHistoryValues);
+#endif
+ return true;
+ }
+ default:
+ return ModuleBase_ModelWidget::processAction(theActionType, theParam);
+ }
+}
+