Java JList pointIsInActualBounds(JList list, int index, Point point)

Description

point Is In Actual Bounds

License

Apache License

Parameter

Parameter	Description
list	a parameter
index	a parameter
point	a parameter

Declaration

public static boolean pointIsInActualBounds(JList list, int index, Point point) 

Method Source Code

//package com.java2s;
/*/*  ww  w . j  a v  a2s .  c  o m*/
 *
 * Copyright (C) 2005-2008 Yves Zoundi
 *
 * 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.
 * under the License.
 */

import java.awt.Component;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import javax.swing.JList;

import javax.swing.ListCellRenderer;
import javax.swing.ListModel;

public class Main {
    /**
     *
     * @param list
     * @param index
     * @param point
     * @return
     */
    public static boolean pointIsInActualBounds(JList list, int index, Point point) {
        ListCellRenderer renderer = list.getCellRenderer();
        ListModel dataModel = list.getModel();
        Object value = dataModel.getElementAt(index);
        Component item = renderer.getListCellRendererComponent(list, value, index, false, false);
        Dimension itemSize = item.getPreferredSize();
        Rectangle cellBounds = list.getCellBounds(index, index);

        if (!item.getComponentOrientation().isLeftToRight()) {
            cellBounds.x += (cellBounds.width - itemSize.width);
        }

        cellBounds.width = itemSize.width;

        return cellBounds.contains(point);
    }
}

Related

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2. JListClearData(javax.swing.JList list)
3. loc2IndexFileList(JList list, Point point)
4. navigateThroughList(javax.swing.JList list, int keyCode)
5. pickFirstIfNone(JList list)
6. pointIsInActualBounds(JList list, int index, Point point)
7. setErrorBackground(JList comp)
8. updatebandList(final JList bandList, final Map paramMap, final String paramName)
9. updateList(JList list, LinkedHashMap map)