// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/gui/action/LookAndFeelCommand.java,v 1.5 2004/02/13 02:40:54 sebb Exp $
/*
 * Copyright 2001-2004 The Apache Software Foundation.
 *
 * 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 org.apache.jmeter.gui.action;

import java.awt.event.ActionEvent;
import java.util.HashSet;
import java.util.Set;

import javax.swing.SwingUtilities;
import javax.swing.UIManager;

import org.apache.jmeter.gui.GuiPackage;
import org.apache.jmeter.util.JMeterUtils;

/**
 * @author Brendan Burns
 * @version $Revision: 1.5 $
 */
public class LookAndFeelCommand implements Command
{

    private static Set commands = new HashSet();
    static {
        UIManager.LookAndFeelInfo[] lfs = UIManager.getInstalledLookAndFeels();
        for (int i = 0; i < lfs.length; i++)
        {
            commands.add("laf:" + lfs[i].getClassName());
        }

        try
        {
            String defaultUI =
                JMeterUtils.getPropDefault(
                    "jmeter.laf",
                    UIManager.getCrossPlatformLookAndFeelClassName());
            UIManager.setLookAndFeel(defaultUI);
        }
        catch (Exception e)
        {
        }
    }

    public LookAndFeelCommand()
    {
    }

    public void doAction(ActionEvent ev)
    {
        try
        {
            String className =
                ev.getActionCommand().substring(4).replace('/', '.');
            UIManager.setLookAndFeel(className);
            SwingUtilities.updateComponentTreeUI(
                GuiPackage.getInstance().getMainFrame());
        }
        catch (javax.swing.UnsupportedLookAndFeelException e)
        {
            JMeterUtils.reportErrorToUser(
                "Look and Feel unavailable:" + e.toString());
        }
        catch (InstantiationException e)
        {
            JMeterUtils.reportErrorToUser(
                "Look and Feel unavailable:" + e.toString());
        }
        catch (ClassNotFoundException e)
        {
            JMeterUtils.reportErrorToUser(
                "Look and Feel unavailable:" + e.toString());
        }
        catch (IllegalAccessException e)
        {
            JMeterUtils.reportErrorToUser(
                "Look and Feel unavailable:" + e.toString());
        }
    }

    public Set getActionNames()
    {
        return commands;
    }
}