org.wicketstuff.kendo.ui.utils.TreeNodeUtils Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.wicketstuff.kendo.ui.utils;
import java.util.List;
import org.apache.wicket.util.lang.Generics;
import org.wicketstuff.kendo.ui.widget.treeview.TreeNode;
public class TreeNodeUtils
{
/**
* Utility class
*/
private TreeNodeUtils()
{
// noop
}
/**
* Retrieves a {@link TreeNode} with a {@code List}
*
* @param id the node-id
* @param nodes the {@code List} of nodes
* @return the node with the specified id or {@code null} is not found
*/
public static TreeNode get(int id, List> nodes)
{
for (TreeNode node : nodes)
{
if (node.getId() == id)
{
return node;
}
}
return null;
}
/**
* Retrieves children {@link TreeNode}{@code s} for a specified parent node
*
* @param parentId the node parent id
* @param nodes the {@code List} of nodes
* @return the children nodes
*/
public static List> getChildren(int parentId, List> nodes)
{
List> list = Generics.newArrayList();
for (TreeNode node : nodes)
{
if (node.getParentId() == parentId)
{
list.add(node);
}
}
return list;
}
}