// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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.google.collide.client.code;
import com.google.collide.client.ui.tree.NodeDataAdapter;
import com.google.collide.client.ui.tree.TreeNodeElement;
import com.google.collide.client.util.PathUtil;
import com.google.collide.client.workspace.FileTreeNode;
import com.google.collide.json.shared.JsonArray;
import com.google.collide.shared.util.JsonCollections;
/**
*/
public class FileTreeNodeDataAdapter implements NodeDataAdapter<FileTreeNode> {
@Override
public int compare(FileTreeNode a, FileTreeNode b) {
// Directories are listed before files. This is also implicitly codified in
// the constants.
int comparison = a.getNodeType() - b.getNodeType();
// If they are nodes of different types, we can return.
if (comparison != 0) {
return comparison;
}
return a.getName().compareTo(b.getName());
}
@Override
public boolean hasChildren(FileTreeNode data) {
return data.isDirectory() && (!data.isComplete() || data.getUnifiedChildren().size() > 0);
}
@Override
public JsonArray<FileTreeNode> getChildren(FileTreeNode data) {
return data.isDirectory() ? data.getUnifiedChildren() :
JsonCollections.<FileTreeNode>createArray();
}
@Override
public String getNodeId(FileTreeNode data) {
return data.getName();
}
@Override
public String getNodeName(FileTreeNode data) {
return data.getName();
}
@Override
public FileTreeNode getParent(FileTreeNode data) {
return data.getParent();
}
@Override
public TreeNodeElement<FileTreeNode> getRenderedTreeNode(FileTreeNode data) {
return data.getRenderedTreeNode();
}
@Override
public void setNodeName(FileTreeNode data, String key) {
data.setName(key);
}
@Override
public void setRenderedTreeNode(FileTreeNode data, TreeNodeElement<FileTreeNode> renderedNode) {
data.setRenderedTreeNode(renderedNode);
}
@Override
public FileTreeNode getDragDropTarget(FileTreeNode data) {
return data.isDirectory() ? data : data.getParent();
}
@Override
public JsonArray<String> getNodePath(FileTreeNode data) {
return NodeDataAdapter.PathUtils.getNodePath(this, data);
}
@Override
public FileTreeNode getNodeByPath(FileTreeNode root, JsonArray<String> relativeNodePath) {
return root.findChildNode(PathUtil.createFromPathComponents(relativeNodePath));
}
}