mechpaneltabstrip.java

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

package megamek.client.ui.AWT.widget;

import java.awt.*;
import java.awt.event.*;
import megamek.client.ui.AWT.MechDisplay;

public class MechPanelTabStrip extends PicMap {
    
    private static final String IMAGE_DIR = "data/images/widgets";

    private PMPicPolygonalArea[] tabs = new PMPicPolygonalArea[5];
    private static final Image[] idleImage = new Image[5];
    private static final Image[] activeImage = new Image[5];
    private Image idleCorner, selectedCorner;
    private int activeTab = 0;
    MechDisplay md;
    
    private Polygon firstTab = new Polygon( new int[] {0, 43, 59, 59, 0},
                                            new int[] {0, 0, 16, 17, 17}, 5);
    private int[] pointsX = new int[] {0, 43,59,59,13,0};
    private int[] pointsY = new int[] {0, 0, 16,17,17,4};
    
    public MechPanelTabStrip (MechDisplay md){
        super();
        this.md = md;
    }
    
    public void setTab(int i){
        if (i > 4) i = 4;
        activeTab = i; redrawImages(); update();
    }
    
    public void addNotify(){
        super.addNotify();
        setImages();
        setAreas();
        setListeners();         
        update();
    }
    
    private void setImages(){
        MediaTracker mt = new MediaTracker(this);
        Toolkit tk = getToolkit();
        idleImage[0] = tk.getImage(IMAGE_DIR+"/tab_general_idle.gif"); //$NON-NLS-1$
        idleImage[1] = tk.getImage(IMAGE_DIR+"/tab_armor_idle.gif"); //$NON-NLS-1$
        idleImage[2] = tk.getImage(IMAGE_DIR+"/tab_systems_idle.gif"); //$NON-NLS-1$
        idleImage[3] = tk.getImage(IMAGE_DIR+"/tab_weapon_idle.gif"); //$NON-NLS-1$
        idleImage[4] = tk.getImage(IMAGE_DIR+"/tab_extras_idle.gif"); //$NON-NLS-1$
        activeImage[0] = tk.getImage(IMAGE_DIR+"/tab_general_active.gif"); //$NON-NLS-1$
        activeImage[1] = tk.getImage(IMAGE_DIR+"/tab_armor_active.gif"); //$NON-NLS-1$
        activeImage[2] = tk.getImage(IMAGE_DIR+"/tab_systems_active.gif"); //$NON-NLS-1$
        activeImage[3] = tk.getImage(IMAGE_DIR+"/tab_weapon_active.gif"); //$NON-NLS-1$
        activeImage[4] = tk.getImage(IMAGE_DIR+"/tab_extras_active.gif"); //$NON-NLS-1$
        idleCorner = tk.getImage(IMAGE_DIR+"/idle_corner.gif"); //$NON-NLS-1$
        selectedCorner = tk.getImage(IMAGE_DIR+"/active_corner.gif"); //$NON-NLS-1$
        
        for (int i = 0; i < 5 ; i++){
            mt.addImage(idleImage[i],0);
            mt.addImage(activeImage[i],0);
        }   
        mt.addImage(idleCorner,0);
        mt.addImage(selectedCorner,0);
        try{
            mt.waitForAll();
        } catch (InterruptedException e){
            System.out.println("TabStrip: Error while image loading."); //$NON-NLS-1$
        }
        if(mt.isErrorID(0)){
            System.out.println("TabStrip: Could Not load Image."); //$NON-NLS-1$
        }
    }

    
    private void setAreas(){
        
        int stepX = 47;
        
        tabs[0] = new PMPicPolygonalArea(firstTab,
                                         createImage(47,18));
        for (int i = 1; i < 4 ; i++){
            tabs[i] = new PMPicPolygonalArea(new Polygon(pointsX, pointsY, 6),
                                             createImage(47,18));
        }
        
        tabs[4] = new PMPicPolygonalArea(new Polygon(pointsX, pointsY, 6),
                                         createImage(60,18));
        for (int i = 0; i < 5; i++){
            drawIdleImage(i);
            tabs[i].translate(i * stepX, 0);
            addElement(tabs[i]);
        }
    }
    
    
    private void setListeners(){
        tabs[0].addActionListener( new ActionListener()
                       { 
                         public void actionPerformed(ActionEvent e)
                             { 
                               if (e.getActionCommand() == PMHotArea.MOUSE_DOWN){
                                      setTab(0);
                                      md.showPanel("movement"); //$NON-NLS-1$
                               } 
                             }
                       } );
        tabs[1].addActionListener( new ActionListener()
                       { 
                         public void actionPerformed(ActionEvent e)
                              {
                                if (e.getActionCommand() == PMHotArea.MOUSE_DOWN){
                                      setTab(1);
                                      md.showPanel("armor"); //$NON-NLS-1$
                                } 
                              }
                       } );
        tabs[2].addActionListener( new ActionListener()
                       { 
                         public void actionPerformed(ActionEvent e)
                              {
                                if (e.getActionCommand() == PMHotArea.MOUSE_DOWN){
                                      setTab(2);
                                      md.showPanel("systems"); //$NON-NLS-1$
                                } 
                              }
                       } );
        tabs[3].addActionListener( new ActionListener()
                       { 
                         public void actionPerformed(ActionEvent e)
                              {
                                if (e.getActionCommand() == PMHotArea.MOUSE_DOWN){
                                      setTab(3);
                                      md.showPanel("weapons"); //$NON-NLS-1$
                                } 
                              }
                       } );
        tabs[4].addActionListener( new ActionListener()
                       { 
                         public void actionPerformed(ActionEvent e)
                              {
                                if (e.getActionCommand() == PMHotArea.MOUSE_DOWN){
                                      setTab(4);
                                      md.showPanel("extras"); //$NON-NLS-1$
                                } 
                              }
                       } );              
                       
    }
    
    private void redrawImages(){
        for (int i = 0; i < 5; i++){
            drawIdleImage(i);
        }
    }
    
    private void drawIdleImage(int tab){
        if (tabs[tab] == null) {
            // hmm, display not initialized yet...
            return;
        }
        Graphics g = tabs[tab].getIdleImage().getGraphics();
        
        if( activeTab == tab){
            g.drawImage(activeImage[tab], 0, 0, null);
        } else {
            g.drawImage(idleImage[tab], 0, 0, null);
            if((tab - activeTab) == 1){
                g.drawImage(selectedCorner, 0, 4, null);
            } else if (tab > 0) {
                g.drawImage(idleCorner, 0, 4, null);
            }
        }
        g.dispose();
    }
    
   public void onResize(){}     
    
}