/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.ide.undo;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.application.ModalityState;
import com.intellij.openapi.command.impl.UndoManagerImpl;
import com.intellij.openapi.command.undo.UndoManager;
import com.intellij.openapi.components.ApplicationComponent;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.project.ProjectManager;
import jetbrains.mps.extapi.module.SRepositoryRegistry;
import jetbrains.mps.ide.MPSCoreComponents;
import jetbrains.mps.nodefs.MPSNodeVirtualFile;
import jetbrains.mps.nodefs.NodeVirtualFileSystem;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SModelListener;
import org.jetbrains.mps.openapi.model.SModelListenerBase;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.module.SModule;
import org.jetbrains.mps.openapi.module.SRepository;
import org.jetbrains.mps.openapi.module.SRepositoryContentAdapter;
// FIXME How come non-public class is loaded
class OnReloadingUndoCleaner implements ApplicationComponent {
private final ProjectManager myProjectManager;
private final SRepositoryContentAdapter myListener = new SRepositoryContentAdapter() {
private final SModelListener myModelListener = new SModelListenerBase() {
@Override
public void modelReplaced(SModel sm) {
final SRepository repo = sm.getRepository();
if (repo == null) {
return;
}
for (SNode root : sm.getRootNodes()) {
final MPSNodeVirtualFile file = NodeVirtualFileSystem.getInstance().getFileFor(repo, root);
assert file.hasValidMPSNode() : "invalid file returned by MPS VFS for following model root: " + root;
for (final Project p : myProjectManager.getOpenProjects()) {
ApplicationManager.getApplication().invokeLater(new Runnable() {
@Override
public void run() {
if (!p.isDisposed() && file.isValid()) {
((UndoManagerImpl) UndoManager.getInstance(p)).clearUndoRedoQueueInTests(file);
}
}
}, ModalityState.NON_MODAL);
}
}
}
};
@Override
protected boolean isIncluded(SModule module) {
return !module.isPackaged() && !module.isReadOnly();
}
@Override
protected void startListening(SModel model) {
model.addModelListener(myModelListener);
}
@Override
protected void stopListening(SModel model) {
model.removeModelListener(myModelListener);
}
};
OnReloadingUndoCleaner(MPSCoreComponents coreComponents, ProjectManager projectManager) {
myProjectManager = projectManager;
}
@Override
@NotNull
public String getComponentName() {
return "Undo Cleaner";
}
@Override
public void initComponent() {
SRepositoryRegistry.getInstance().addGlobalListener(myListener);
}
@Override
public void disposeComponent() {
SRepositoryRegistry.getInstance().removeGlobalListener(myListener);
}
}