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A packaging of the IntelliJ Community Edition platform-impl library.
This is release number 1 of trunk branch 142.
The newest version!
/*
* 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.openapi.fileChooser.impl;
import com.intellij.ide.util.treeView.AbstractTreeBuilder;
import com.intellij.ide.util.treeView.AbstractTreeStructure;
import com.intellij.ide.util.treeView.NodeDescriptor;
import com.intellij.openapi.fileChooser.FileChooserDescriptor;
import com.intellij.openapi.fileChooser.FileElement;
import com.intellij.openapi.fileChooser.ex.RootFileElement;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.util.StatusBarProgress;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.vfs.*;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import javax.swing.tree.DefaultTreeModel;
import java.util.Comparator;
/**
* @author Yura Cangea
*/
public class FileTreeBuilder extends AbstractTreeBuilder {
private final FileChooserDescriptor myChooserDescriptor;
public FileTreeBuilder(JTree tree,
DefaultTreeModel treeModel,
AbstractTreeStructure treeStructure,
Comparator comparator,
FileChooserDescriptor chooserDescriptor,
@SuppressWarnings("UnusedParameters") Runnable onInitialized) {
super(tree, treeModel, treeStructure, comparator, false);
myChooserDescriptor = chooserDescriptor;
initRootNode();
VirtualFileAdapter listener = new VirtualFileAdapter() {
@Override
public void propertyChanged(@NotNull VirtualFilePropertyEvent event) {
doUpdate();
}
@Override
public void fileCreated(@NotNull VirtualFileEvent event) {
doUpdate();
}
@Override
public void fileDeleted(@NotNull VirtualFileEvent event) {
doUpdate();
}
@Override
public void fileMoved(@NotNull VirtualFileMoveEvent event) {
doUpdate();
}
private void doUpdate() {
queueUpdateFrom(getRootNode(), false);
}
};
VirtualFileManager.getInstance().addVirtualFileListener(listener, this);
}
@Override
protected boolean isAlwaysShowPlus(NodeDescriptor nodeDescriptor) {
Object element = nodeDescriptor.getElement();
if (element != null) {
FileElement descriptor = (FileElement)element;
VirtualFile file = descriptor.getFile();
if (file != null) {
if (myChooserDescriptor.isChooseJarContents() && FileElement.isArchive(file)) {
return true;
}
return file.isDirectory();
}
}
return true;
}
@Override
protected boolean isAutoExpandNode(NodeDescriptor nodeDescriptor) {
if (nodeDescriptor.getElement() instanceof RootFileElement) {
return true;
}
else if (!SystemInfo.isWindows) {
NodeDescriptor parent = nodeDescriptor.getParentDescriptor();
return parent != null && parent.getElement() instanceof RootFileElement;
}
return false;
}
@Override
protected ProgressIndicator createProgressIndicator() {
return new StatusBarProgress();
}
}
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