/*
 * File    : TextActivityPane.java
 * Created : 28-may-2001 17:19
 * 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.activities.text;

import edu.xtec.jclic.*;
import edu.xtec.jclic.boxes.*;
import java.awt.*;
import java.awt.event.MouseEvent;
import javax.swing.text.*;

/**
 *
 * @author Francesc Busquets (fbusquets@xtec.cat)
 * @version 13.08.28
 */
public class TextActivityPane extends javax.swing.JTextPane {
    
    TextActivityBase.Panel tabp;
    TextActivityBase tab;
    ActiveBox bx;
    
    /** Creates new TextActivityPane */
    public TextActivityPane(TextActivityBase.Panel tabp) {
        super();
        this.tabp=tabp;
        tab=(TextActivityBase)tabp.getActivity();
        bx=new ActiveBox(null, tabp, null);
        bx.setVisible(false);
        setEditorKit(new javax.swing.text.rtf.RTFEditorKit());
        enableEvents(AWTEvent.MOUSE_EVENT_MASK);
    }
        
    @Override
    protected void processEvent(AWTEvent e){        
        if(e instanceof MouseEvent){
            if(!processMouse((MouseEvent)e)){
                ((MouseEvent)e).consume();
                return;
            }
        }
        super.processEvent(e);
    }
    
    public boolean processMouse(MouseEvent e){
        boolean result=true;
        if(e.getID()==MouseEvent.MOUSE_PRESSED){
            if(tabp.showingPrevScreen){
                tabp.ps.startActivity(tabp);
                result=false;
            }
            else if(tabp.isPlaying()){
                if(bx.isVisible() && bx.contains(e.getPoint())){
                    if(bx.getContent().mediaContent!=null)
                        bx.playMedia(tabp.ps);
                    result=false;
                }
            }
        }
        return result;
    }
    
    public void enableActiveBox(ActiveBoxContent abc, Point location){
        if(abc.dimension!=null){
            bx.setContent(abc);
            bx.setBounds(new Rectangle(location, abc.dimension));
            bx.setVisible(true);
            bx.repaint();
        }
    }
    
    public void disableActiveBox(){
        bx.setVisible(false);
    }
    
    @Override
    public void paint(Graphics g){
        Graphics2D g2=(Graphics2D)g;
        super.paint(g2);
        
        if(bx.isVisible()){
            RenderingHints rh=g2.getRenderingHints();
            g2.setRenderingHints(Constants.DEFAULT_RENDERING_HINTS);
            //RenderingHints rh=tab.ac.setScreenRenderingHints(g2);
            while(true){
                BoxBase.flagFontReduced=false;
                bx.update(g2, g2.getClipBounds(), this);
                if(!BoxBase.flagFontReduced) break;
            }
            g2.setRenderingHints(rh);
        }
    }
    
    @Override
    public void setStyledDocument(StyledDocument doc){
        transferFocus();
        
        // JRE 1.4 workaround, part 1: Save a clean copy of the default style attributes
        Style defaultStyle=doc.getStyle(StyleContext.DEFAULT_STYLE);
        AttributeSet as=defaultStyle.copyAttributes();        
        
        super.setStyledDocument(doc);
        
        // JRE 1.4 workaround, part 2: Restore lost attributes
        defaultStyle.addAttributes(as);
        
        //setBackground(StyleConstants.getBackground(getStyle(StyleContext.DEFAULT_STYLE)));
        setBackground(StyleConstants.getBackground(defaultStyle));
        Style st=tab.styleContext.getStyle(TextActivityDocument.TARGET);
        if(st!=null)
            setCaretColor(StyleConstants.getForeground(st));
        requestFocus();
    }
    
    protected void targetChanged(TextTarget tt){
    }
}