/*
* 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.workbench.structureview.nodes;
import com.intellij.ide.structureView.StructureViewTreeElement;
import com.intellij.ide.util.treeView.smartTree.TreeElement;
import com.intellij.navigation.ItemPresentation;
import jetbrains.mps.openapi.navigation.EditorNavigator;
import jetbrains.mps.plugins.projectplugins.ProjectPluginManager;
import jetbrains.mps.plugins.relations.RelationDescriptor;
import jetbrains.mps.project.MPSProject;
import jetbrains.mps.smodel.ModelAccessHelper;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeReference;
import org.jetbrains.mps.openapi.module.SRepository;
import java.util.ArrayList;
import java.util.List;
public class MainNodeTreeElement implements StructureViewTreeElement {
private final MPSProject myProject;
private final SNodeReference myNode;
public MainNodeTreeElement(MPSProject project, SNodeReference node) {
myProject = project;
myNode = node;
}
@Override
public SNodeReference getValue() {
// if getValue() equal for root and leaf caching strategy in CachingChildrenTreeNode fail and you got infinite tree
return new jetbrains.mps.smodel.SNodePointer(null);
}
@Override
public TreeElement[] getChildren() {
final List<TreeElement> result = new ArrayList<TreeElement>();
myProject.getModelAccess().runReadAction(new Runnable() {
@Override
public void run() {
SNode node = myNode.resolve(myProject.getRepository());
for (RelationDescriptor tab : ProjectPluginManager.getApplicableTabs(myProject.getProject(), node)) {
for (SNode aspectNode : tab.getNodes(node)) {
SNode baseNode = tab.getBaseNode(aspectNode);
boolean bijection = (baseNode == node || baseNode == null);
result.add(new AspectTreeElement(MainNodeTreeElement.this, aspectNode, tab, bijection));
}
}
}
});
return result.toArray(new TreeElement[result.size()]);
}
@Override
public ItemPresentation getPresentation() {
final SRepository repo = myProject.getRepository();
return new ModelAccessHelper(repo).runReadAction(() -> {
SNode resolved = myNode.resolve(repo);
return resolved == null ? new Presentation(myNode) : new Presentation(resolved);
});
}
@Override
public boolean canNavigate() {
return true;
}
@Override
public boolean canNavigateToSource() {
return true; // ??? why? Used to be that way in superclass.
}
@Override
public void navigate(boolean b) {
navigate(myNode);
}
/*package*/ void navigate(SNodeReference nodeRef) {
new EditorNavigator(myProject).shallFocus(true).shallSelect(true).open(nodeRef);
}
}