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/*
* Copyright 2000-2014 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 com.intellij.ide.util.treeView.smartTree;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.ide.util.treeView.AbstractTreeStructure;
import com.intellij.ide.util.treeView.NodeDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiDocumentManager;
import org.jetbrains.annotations.NotNull;
public class SmartTreeStructure extends AbstractTreeStructure {
protected final TreeModel myModel;
protected final Project myProject;
private TreeElementWrapper myRootElementWrapper;
public SmartTreeStructure(@NotNull Project project, @NotNull TreeModel model) {
myModel = model;
myProject = project;
}
@Override
public void commit() {
}
@Override
@NotNull
public NodeDescriptor createDescriptor(Object element, NodeDescriptor parentDescriptor) {
return (AbstractTreeNode)element;
}
@Override
public Object[] getChildElements(Object element) {
return ((AbstractTreeNode)element).getChildren().toArray();
}
@Override
public Object getParentElement(Object element) {
return ((AbstractTreeNode)element).getParent();
}
@Override
public Object getRootElement() {
if (myRootElementWrapper == null){
myRootElementWrapper = createTree();
}
return myRootElementWrapper;
}
protected TreeElementWrapper createTree() {
return new TreeElementWrapper(myProject, myModel.getRoot(), myModel);
}
@Override
public boolean isAlwaysLeaf(Object element) {
return ((AbstractTreeNode)element).isAlwaysLeaf();
}
@Override
public boolean hasSomethingToCommit() {
return PsiDocumentManager.getInstance(myProject).hasUncommitedDocuments();
}
public void rebuildTree() {
((CachingChildrenTreeNode)getRootElement()).rebuildChildren();
}
}
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