BaseArea.java

package org.roussev.hiena.player;

/*
 *  Copyright 2009 Hiena Mp3 Player http://code.google.com/p/hiena-mp3-player/
 *
 *  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.
 */

import javax.swing.JPanel;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeEvent;

import org.roussev.hiena.gui.*;
import org.roussev.hiena.player.playlist.*;
import org.roussev.hiena.*;
import org.roussev.hiena.util.*;



abstract class BaseArea extends JPanel implements ActionListener {
    
    //---------------------------------------------------------------------
    protected BaseArea(MainListener mainListener) {
        
        this.mainListener = mainListener;
        //WindowUtilities.setJavaLookAndFeel();
        //WindowUtilities.manageDialogUI();
        WindowUtilities.manageScrollbarUI(false);
        
        setLayout(null);
        
        area = new AreaPanel(mainListener.isApplet());
        add( area );
        
        playlist      =   new TWindow(mainListener.getOwnerWindow());
        
        addActionListeners();
        
        playlist.addPropertyChangeListener(new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent evt) {
                _propertyChange(evt);
            }
        });
    }
    
    //-------------------------------------------------------
    public final void addActionListeners() {
        
        getPlay()   .addActionListener(this);
        getPause()  .addActionListener(this);
        getStop()   .addActionListener(this);
        getPrev()   .addActionListener(this);
        getNext()   .addActionListener(this);
        getPl()     .addActionListener(this);
        getEject()  .addActionListener(this);
        getShuffle().addActionListener(this);
        getRepeat() .addActionListener(this);
        getClose()  .addActionListener(this);
		//TODO: Build shade modes functionality
        //getShade()  .addActionListener(this);
        getMinimize()   .addActionListener(this);
        getGainSlider() .addActionListener(this);
    }
    
    
    //-------------------------------------------------------
    protected void setInfo(String txt){        area.setInfo(txt);    }
    protected void setTime(String txt){        area.setTime(txt);    }  
    protected void setKbps(String txt){        area.setKbps(txt);    }
    protected void setKhz(String txt){         area.setKhz(txt);    }
    
    
    //-------------------------------------------------------
    public final void _propertyChange(PropertyChangeEvent e) {
        
        if( Constants.EVT_PLAY.equals(e.getPropertyName())) {
            playActionEvent();
        }  
        else if( Constants.EVT_STOP.equals(e.getPropertyName())) {
            stopActionEvent();
        }
		else if( Constants.EVT_PL_CLOSE.equals(e.getPropertyName())) {
			plActionEvent();
		}
		else if( Constants.EVT_PL_SHADE.equals(e.getPropertyName())) {
			doShadePlaylist();
		}
    }
    
    
    //-------------------------------------------------------
    public final void actionPerformed( ActionEvent e){
        final String cmd = e.getActionCommand();
        if (cmd.equals("play")) {
            playActionEvent();
        }
        else if (cmd.equals("stop")) {
            stopActionEvent();
        }
        else if (cmd.equals("pause")) {
            pauseActionEvent();
        }
        else if (cmd.equals("pl")) {
            plActionEvent();
        }
        else if (cmd.equals("eject")) {
            playlist.eject();
        }
        else if (cmd.equals("next")) {
            nextActionEvent();
        }
        else if (cmd.equals("prev")) {
            prevActionEvent();
        }
        else if (cmd.equals("close")) {
            mainListener.destroy();
        }
        else if (cmd.equals("minimize")) {
            mainListener.iconify();
        }
        else if (cmd.equals("gain")) {
            gainActionEvent();
        }
        else if (cmd.equals("shade")) {
            doShade();
            mainListener.shade();
        }
    }
    

    
	//--------------------------------------
	private final void doShade() {
		final AbsArea tmp;
		if(area instanceof AreaPanel)
			tmp = new AreaShadePanel( mainListener.isApplet());
		else 
			tmp = new AreaPanel( mainListener.isApplet());
        
		this.remove( area );
        
		this.add( tmp );
		area = tmp;
		area.repaint();
		addActionListeners();
	}
    
	//--------------------------------------
	private final void doShadePlaylist() {
		playlist.shade();
	}
    
    
    //*************** ABSTRACT BUTTON ACTION EVENTS******************
    protected abstract void gainActionEvent();
    protected abstract void playActionEvent();
    protected abstract void pauseActionEvent();
    protected abstract void stopActionEvent();
    protected abstract void prevActionEvent();
    protected abstract void nextActionEvent();
    protected abstract void destroy();
    
    //----------------------------------------------------------
    protected final void plActionEvent() {
        if(!isPlOpen) {
            isPlOpen = true;
            playlist.show();
        } else {
            isPlOpen = false;
            playlist.dispose();
        }
    }
    
    
    //--------------------------------------
    protected final XTransitionButton getPlay() {        return area.getPlay();    }
    protected final XTransitionButton getPause() {       return area.getPause();    }
    protected final XTransitionButton getStop() {        return area.getStop();    }
    protected final XTransitionButton getPrev() {        return area.getPrev();    }
    protected final XTransitionButton getNext() {        return area.getNext();    }
    protected final XTransitionButton getPl() {          return area.getPl();    }
    protected final XTransitionButton getEject() {       return area.getEject();    }
    protected final XTransitionButton getShuffle() {     return area.getShuffle();   }
    protected final XTransitionButton getRepeat() {      return area.getRepeat();   }
    protected final XTransitionButton getClose() {       return area.getClose();   }
    protected final XTransitionButton getMinimize() {    return area.getMinimize();   }
    protected final XTransitionButton getShade() {       return area.getShade();   }
    
    protected final XProgressSlider getProgressSlider() {       return area.getProgressSlider();   }
    protected final XSlider getGainSlider() {       return area.getGainSlider();   }
    //---------------------------------------------------------------------
    
    
    
    
    //---------------------------------------------------------------------
    protected   Playlist        playlist;
    private     AbsArea       area;
    protected   MainListener    mainListener;
    private     boolean         isPlOpen = false;
    
    
    //-------------------------------------------------------------
}