pmpicpolygonalarea.java

MegaMek is a networked Java clone of BattleTech, a turn-based sci-fi boardgame for 2+ players. Fight

/**
 * MegaMek - Copyright (C) 2003 Ben Mazur ([e-mail])
 * 
 *  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.
 */

package megamek.client.ui.AWT.widget;

import java.awt.*;
import java.awt.event.*;

/**
 * Simple polygonal area for PicMap component. Is represented by a set of
 * "Active"/"Idle" images but active area will be anyway defined by polygon.
 */


public class PMPicPolygonalArea extends PMGenericHotArea{
     
    private Image idleImage;
    private Image activeImage;
    private boolean highlight = true;
    private Polygon areaShape;
    private boolean selected = false;
    private boolean visible = true;

    public PMPicPolygonalArea(Polygon p, Image idle, Image active){
           this.areaShape = p;
           this.idleImage = idle;
           this.activeImage = active;
    }

    public PMPicPolygonalArea(Polygon p, Image im){
            this(p,  im, null);
            highlight = false;          
    }
     
    public PMPicPolygonalArea(Polygon p, Image im, boolean highlight){
            this(p,  im, null);
            this.highlight = highlight;          
    }
    
    public void setIdleImage(Image im){
           this.idleImage = im;
    }
    
    public Image getIdleImage(){
        return idleImage;
    }
    
    public Image getActiveImage(){
        return activeImage;
    }
    
    
    public void setActiveImage(Image im){
           this.activeImage = im;
           if (activeImage != null) {
                 highlight = true;
           } else {
                 highlight = false;
           }
    }
    
    
    
    //PMElement interface methods       
    public void translate(int x, int y){
        areaShape.translate(x, y);
    }
    
    public Rectangle getBounds(){
        return areaShape.getBounds();
    }
    
    
    public void drawInto(Graphics g){
        if ((g == null) || (! visible)) return;
        Rectangle r = getBounds();
        if(selected){
            g.drawImage(activeImage, r.x, r.y, null);
        } else {
            g.drawImage(idleImage, r.x, r.y, null);
        }
          
    }
    
    public void setVisible(boolean v){
        visible = v;
    }
    
    //PMHotArea interface methods
    public Shape getAreaShape(){
        return this.areaShape;
    }
    
    public void onMouseOver(MouseEvent e){
        if(highlight) selected = true;
        super.onMouseOver(e);
        
    }
    
    public void onMouseExit(MouseEvent e){
        if(highlight) selected = false;
        super.onMouseExit(e);
    }
    
}