/*
* Copyright 2003-2015 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.editor.checkers;
import jetbrains.mps.errors.MessageStatus;
import jetbrains.mps.nodeEditor.EditorComponent;
import jetbrains.mps.nodeEditor.EditorMessage;
import jetbrains.mps.nodeEditor.checking.BaseEditorChecker;
import jetbrains.mps.nodeEditor.checking.DisposableEditorChecker;
import jetbrains.mps.nodeEditor.checking.UpdateResult;
import jetbrains.mps.nodeEditor.checking.UpdateResult.Completed;
import jetbrains.mps.openapi.editor.ColorConstants;
import jetbrains.mps.openapi.editor.style.StyleRegistry;
import jetbrains.mps.smodel.RepoListenerRegistrar;
import jetbrains.mps.util.Cancellable;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SModel.Problem;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.module.SRepository;
import org.jetbrains.mps.openapi.module.SRepositoryContentAdapter;
import java.awt.Color;
import java.util.HashSet;
import java.util.Set;
public class ModelProblemsChecker extends BaseEditorChecker implements DisposableEditorChecker {
private boolean myChanged = true;
private final SRepository myProjectRepo;
private final SRepositoryContentAdapter myListener = new SRepositoryContentAdapter() {
@Override
protected void startListening(SModel model) {
model.addModelListener(this);
}
@Override
protected void stopListening(SModel model) {
model.removeModelListener(this);
}
@Override
public void modelLoaded(SModel model, boolean partially) {
myChanged = true;
}
@Override
public void modelUnloaded(SModel model) {
myChanged = true;
}
@Override
public void problemsDetected(SModel model, Iterable<Problem> problems) {
myChanged = true;
}
@Override
public void modelSaved(SModel model) {
myChanged = true;
}
};
public ModelProblemsChecker(@NotNull SRepository projectRepo) {
myProjectRepo = projectRepo;
new RepoListenerRegistrar(projectRepo, myListener).attach();
}
@Override
public void dispose() {
new RepoListenerRegistrar(myProjectRepo, myListener).detach();
}
@Override
public boolean needsUpdate(EditorComponent editorComponent) {
return myChanged;
}
@NotNull
@Override
public UpdateResult update(EditorComponent editorComponent, boolean incremental, boolean applyQuickFixes, Cancellable cancellable) {
try {
myChanged = false;
SModel model = editorComponent.getEditedNode().getModel();
if (model == null) {
return UpdateResult.CANCELLED;
}
Set<EditorMessage> result = new HashSet<>();
for (Problem p : model.getProblems()) {
SNode node = p.getNode();
if (node == null) continue;
Color color =
p.isError() ? new Color(ColorConstants.ERROR) :
(StyleRegistry.getInstance().isDarkTheme() ? new Color(ColorConstants.WARNING_DARK) : new Color(ColorConstants.WARNING));
result.add(new ModelProblemMessage(node, p.isError() ? MessageStatus.ERROR : MessageStatus.WARNING,
color, p.getText(), this));
}
return new Completed(true, result);
} catch (RuntimeException e) {
myChanged = true;
throw e;
}
}
}