MediaPreviewPanel.java

/*
 * File    : MediaPreviewPanel.java
 * Created : 17-feb-2004 13:32
 * By      : fbusquets
 *
 * JClic - Authoring and playing system for educational activities
 *
 * Copyright (C) 2000 - 2005 Francesc Busquets & Departament
 * d'Educacio de la Generalitat de Catalunya
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details (see the LICENSE file).
 */

package edu.xtec.jclic.bags;

import edu.xtec.jclic.PlayStation;
import edu.xtec.jclic.beans.ImgPanel;
import edu.xtec.jclic.boxes.ActiveBoxContent;
import edu.xtec.jclic.boxes.JPanelActiveBox;
import edu.xtec.jclic.media.MediaContent;
import edu.xtec.jclic.misc.Utils;
import edu.xtec.jclic.project.JClicProjectEditor;
import edu.xtec.util.Options;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Image;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

/**
 *
 * @author Francesc Busquets (fbusquets@xtec.cat)
 * @version 13.08.29
 */
public class MediaPreviewPanel extends JPanel {
    
    public static final int PREFERRED_CMP_WIDTH=600;
    public static final int PREFERRED_CMP_HEIGHT=400;
    public static final String SAMPLE_TEXT="ABCDEFGHIJ\nKLMNOPQRST\nUVWXYZ\nabcdefghij\nklmnopqrst\nuvwxyz\n0123456789\n";
    
    MediaBagElementEditor mbed;
    Options options;
    PlayStation ps;
    int mediaType;
    
    /** Creates a new instance of MediaPreviewPanel */
    public MediaPreviewPanel(MediaBagElementEditor mbed, Options options) {
        super();
        this.mbed=mbed;
        this.options=options;
        setLayout(new javax.swing.BoxLayout(this, javax.swing.BoxLayout.Y_AXIS));
        if(mbed!=null){
            JComponent cmp=null;
            mediaType=Utils.getFileType(mbed.getMediaBagElement().getFileName());
            switch(mediaType){
                case Utils.TYPE_IMAGE:
                    cmp=buildImgComponent();
                    break;
                case Utils.TYPE_AUDIO:
                case Utils.TYPE_MIDI:                    
                case Utils.TYPE_ANIM:
                case Utils.TYPE_VIDEO:
                    cmp=buildMediaComponent();
                    break;
                case Utils.TYPE_FONT:
                    cmp=buildFontComponent();
                    break;
                default:
                    break;
            }
            if(cmp!=null)
                add(cmp);
            
            
        }
    }
    
    public void end(){
        if(ps!=null)
            ps.stopMedia(1);
    }
    
    protected JComponent buildImgComponent(){
        Image img=null;
        JComponent result=null;
        try{
            img=mbed.getMediaBagElement().prepareAndGetImage(mbed.getMediaBag().getProject().getFileSystem());
        } catch(Exception ex){
            System.err.println("Error loading image "+mbed.getMediaBagElement().getFileName());
        }
        if(img!=null){
            result=new JScrollPane(new ImgPanel(new ImageIcon(img)));
            result.setPreferredSize(new Dimension(PREFERRED_CMP_WIDTH, PREFERRED_CMP_HEIGHT));
        }
        return result;
    }
    
    protected JComponent buildFontComponent(){
        Object o=mbed.getMediaBagElement().getData();
        JTextArea textArea=new JTextArea();
        
        if(o instanceof Font){
            textArea.setFont(((Font)o).deriveFont(Font.PLAIN, 48));
            textArea.setText(SAMPLE_TEXT);
        }
        else{
            textArea.setText(options.getMsg("edit_media_font_error"));
        }
        return new JScrollPane(textArea);
    }
    
    protected JComponent buildMediaComponent(){
        ActiveBoxContent abc=new ActiveBoxContent();
        abc.mediaContent=new MediaContent();
        int mt=MediaContent.UNKNOWN;
        switch(mediaType){
            case Utils.TYPE_AUDIO:
                mt=MediaContent.PLAY_AUDIO;
                break;
            case Utils.TYPE_MIDI:
                mt=MediaContent.PLAY_MIDI;
                break;
            case Utils.TYPE_ANIM:
            case Utils.TYPE_VIDEO:
                mt=MediaContent.PLAY_VIDEO;
                break;
        }
        abc.mediaContent.mediaType=mt;
        abc.mediaContent.mediaFileName=mbed.getMediaBagElement().getFileName();
        abc.mediaContent.stretch=true;
        abc.mediaContent.free=false;
        abc.dimension=new Dimension(PREFERRED_CMP_WIDTH, PREFERRED_CMP_HEIGHT);
        JPanelActiveBox jpab=new JPanelActiveBox(null, null, this);
        JClicProjectEditor prjed=(JClicProjectEditor)mbed.getFirstParent(JClicProjectEditor.class);
        if(prjed!=null && prjed.getTestPlayerContainer()!=null){
            ps=prjed.getTestPlayerContainer().getTestPlayer();
            jpab.setPlayStation(ps);            
        }
        jpab.setActiveBoxContent(abc);
        try{
            abc.realizeContent(mbed.getMediaBag());
        } catch(Exception ex){
            System.err.println("Error: "+ex);
        }        
        JScrollPane result=new JScrollPane(jpab);
        result.setPreferredSize(new Dimension(PREFERRED_CMP_WIDTH, PREFERRED_CMP_HEIGHT));
        return result;        
    }
    
    
}