JMeter example source code file (JMeterCellRenderer.java)

This example JMeter source code file (JMeterCellRenderer.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - JMeter tags/keywords

awt, component, defaulttreecellrenderer, defaulttreecellrenderer, gui, imageicon, jmetercellrenderer, jmetercellrenderer, jmetertreenode, jmetertreenode, jtree, object, object, override, swing, tree

The JMeter JMeterCellRenderer.java source code

/*
 * 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.apache.jmeter.gui.tree;

import java.awt.Component;

import javax.swing.ImageIcon;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;

/**
 * Class to render the test tree - sets the enabled/disabled versions of the icons
 */
public class JMeterCellRenderer extends DefaultTreeCellRenderer {
    private static final long serialVersionUID = 240L;

    public JMeterCellRenderer() {
    }

    @Override
    public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded,
            boolean leaf, int row, boolean p_hasFocus) {
        super.getTreeCellRendererComponent(tree, ((JMeterTreeNode) value).getName(), sel, expanded, leaf, row,
                p_hasFocus);
        boolean enabled = ((JMeterTreeNode) value).isEnabled();
        ImageIcon ic = ((JMeterTreeNode) value).getIcon(enabled);
        if (ic != null) {
            if (enabled) {
                setIcon(ic);
            } else {
                setDisabledIcon(ic);
            }
        } else {
            if (!enabled)// i.e. no disabled icon found
            {
                // Must therefore set the enabled icon so there is at least some
                // icon
                ic = ((JMeterTreeNode) value).getIcon();
                if (ic != null) {
                    setIcon(ic);
                }
            }
        }
        this.setEnabled(enabled);
        return this;
    }
}