Java JTree isPointOnTree(JTree tree, Point location)

Description

Determines whether a point is on a row in a tree, or is outside the tree rows.

License

Open Source License

Parameter

Parameter	Description
tree	- the JTree.
location	- Point location.

Return

true if the point is on a row.

Declaration

public static boolean isPointOnTree(JTree tree, Point location) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Mission Control Technologies, Copyright (c) 2009-2012, United States Government
 * as represented by the Administrator of the National Aeronautics and Space 
 * Administration. All rights reserved.//from   www.  j  ava 2 s  . c  o  m
 *
 * The MCT platform is 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.
 *
 * MCT includes source code licensed under additional open source licenses. See 
 * the MCT Open Source Licenses file included with this distribution or the About 
 * MCT Licenses dialog available at runtime from the MCT Help menu for additional 
 * information. 
 *******************************************************************************/

import java.awt.Point;
import javax.swing.JTree;

public class Main {
    /**
     * Determines whether a point is on a row in a tree, or is outside the tree rows.
     * @param tree - the JTree.
     * @param location - Point location.
     * @return true if the point is on a row.
     */
    public static boolean isPointOnTree(JTree tree, Point location) {
        return (tree.getRowForLocation(location.x, location.y) != -1);
    }

    /**
     * Checks whether there's a point on the tree.
     * @param tree - the JTree.
     * @param x - number.
     * @param y - number.
     * @return boolean - flag to check whether the point is on the tree.
     */
    public static boolean isPointOnTree(JTree tree, int x, int y) {
        return (tree.getRowForLocation(x, y) != -1);
    }
}

Related

1. getSelectionFromTree(JTree tree)
2. getStopRow(JTree tree, int startRow)
3. getTreeImage(String imageName)
4. getTreeObject(JTree tree, Class type)
5. getTreeSelectionBorderColor()
6. maxDepth(JTree tree, int depth)
7. paint(JTree tree)
8. pickFirstIfNone(JTree tree)
9. printComponentTree(final JComponent fc)