+void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
+{
+ ModuleBase_Operation* aCurrentOperation = currentOperation();
+ if (theOperation == aCurrentOperation)
+ theOperation->abort();
+ else {
+ // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
+ // all operation from the current to triggered should also be aborted
+ // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
+ while(hasOperation()) {
+ ModuleBase_Operation* aCurrentOperation = currentOperation();
+ aCurrentOperation->abort();
+ if(theOperation == aCurrentOperation)
+ break;
+ }
+ }
+}
+
+void XGUI_OperationMgr::onCommitOperation()
+{
+ ModuleBase_Operation* anOperation = currentOperation();
+ if (anOperation)
+ anOperation->commit();
+}
+
+void XGUI_OperationMgr::onAbortOperation()
+{
+ ModuleBase_Operation* aCurrentOperation = currentOperation();
+ if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
+ abortOperation(aCurrentOperation);
+ }
+}
+
+void XGUI_OperationMgr::onBeforeOperationStarted()
+{
+ ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
+ if (!aCurrentOperation)
+ return;
+
+ /// Set current feature and remeber old current feature
+ ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
+ if (aFOperation) {
+ SessionPtr aMgr = ModelAPI_Session::get();
+ DocumentPtr aDoc = aMgr->activeDocument();
+ // the parameter of current feature should be false, we should use all feature, not only visible
+ // in order to correctly save the previous feature of the nested operation, where the
+ // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
+ // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
+ // When sketch entity operation started, the sketch should be cashed here as the current.
+ // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
+ // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
+ // As a result the sketch disappears from the viewer. However after commit it is displayed back.
+ aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
+ if (aFOperation->isEditOperation()) // it should be performed by the feature edit only
+ // in create operation, the current feature is changed by addFeature()
+ aDoc->setCurrentFeature(aFOperation->feature(), false);
+ }
+}
+
+void XGUI_OperationMgr::onOperationStarted()
+{
+ ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
+ updateApplyOfOperations(aSenderOperation);
+ emit operationStarted(aSenderOperation);
+}
+
+void XGUI_OperationMgr::onBeforeOperationAborted()
+{
+ onBeforeOperationCommitted();
+}
+
+void XGUI_OperationMgr::onOperationAborted()
+{
+ ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
+ emit operationAborted(aSenderOperation);
+}
+
+void XGUI_OperationMgr::onBeforeOperationCommitted()
+{
+ ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
+ if (!aCurrentOperation)
+ return;
+
+ /// Restore the previous current feature
+ ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
+ if (aFOperation) {
+ if (aFOperation->isEditOperation()) {
+ /// Restore the previous current feature
+ setCurrentFeature(aFOperation->previousCurrentFeature());
+ }
+ else { // create operation
+ // the Top created feature should stays the current. In nested operations, like Line in the Sketch or
+ // Sketch in ExtrusionCut, a previous feature should be restored on commit. It is performed here
+ // in order to perform it in the current transaction without opening a new one.
+ if (myOperations.front() != aFOperation)
+ setCurrentFeature(aFOperation->previousCurrentFeature());
+ }
+ }
+}
+
+void XGUI_OperationMgr::onOperationCommitted()
+{
+ // apply state for all features from the stack of operations should be updated
+ updateApplyOfOperations();
+
+ ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
+ emit operationCommitted(aSenderOperation);
+}
+
+void XGUI_OperationMgr::onOperationResumed()
+{
+ ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
+ emit operationResumed(aSenderOperation);
+}
+