iconframe.java

地图显示实例

import java.awt.*;
import ImageDisplay;
import Tile;
import ImageFrame;

public class IconFrame extends Frame {
  ImageDisplay iconDisplay; 
  Panel panel;
  Scrollbar scroll;
  Button button1, button2, button3, button4, button5, button6;
  Tile[] tiles;
  int tileNum;

  public IconFrame(String title, int tileCount, Tile[] ts) {
    super(title);
    tiles = ts;
    tileNum = tileCount;

    iconDisplay = new ImageDisplay(5, 80, tileNum);
    /* 
       the icon images will be added by MapDemo, 
       because we cannot call getImage() here 
    */

    setLayout(new BorderLayout());
    resize(800, 400);
    button1 = new Button("Show on Entire Layer Map");
    button2 = new Button("Show on Entire Composite Map");
    button3 = new Button("Display Selected Layer Tiles");
    button4 = new Button("Display Selected Composite Tiles");
    button5 = new Button("Show Information on Selected Tiles");
    button6 = new Button("Dismiss");
    panel = new Panel();
    panel.setLayout(new GridLayout(6, 1, 3, 3));
    panel.add(button1);
    panel.add(button2);
    panel.add(button3);
    panel.add(button4);
    panel.add(button5);
    panel.add(button6);
    scroll = new Scrollbar(Scrollbar.VERTICAL);
    scroll = new Scrollbar(Scrollbar.VERTICAL, 0, 1, 0, 100);
    scroll.setLineIncrement(1);
    scroll.setPageIncrement(5);
    add("West", panel);
    add("Center", iconDisplay);
    add("East", scroll);
  }
  
  public int getSelectedNum() {
    /* returns the number of selected icons */
    return iconDisplay.selectedList.size();
  }

  public Tile getTile(String name) {
    /* returns a tile given its tileName */
    for (int i = 0; i < tileNum; i++) 
      if (tiles[ i ].tileName.equals(name)) return tiles[ i ];
    return null;
  }

  public boolean handleEvent(Event evt) {
    if (evt.target == scroll) 
      iconDisplay.scroll(((Integer)evt.arg).intValue());
    return super.handleEvent(evt);
  }

  public boolean action(Event evt, Object arg) {
    if (evt.target instanceof Button) 
      for (int i = 0; i < getSelectedNum(); i++) {
	Tile tile = getTile((String)iconDisplay.selectedList.elementAt(i));
	System.out.println(tile.tileName);
	System.out.println(tile.imageFileName + " "+ tile.compositeNum);

	if (evt.target == button1) 
	  new ImageFrame(tile, ImageFrame.ENTIRE_RED, -1);
	
	if (evt.target == button2)
	  new ImageFrame(tile, ImageFrame.ENTIRE_COMP, -1);

	if (evt.target == button3) 
	  new ImageFrame(tile, ImageFrame.RED, -1);

	if (evt.target == button4) 
	  for (int j = 0; j < tile.compositeNum; j++) 
	    ImageFrame imageFrame = new ImageFrame(tile, ImageFrame.COMP, j);

	if (evt.target == button5) 
	  System.out.println(tile.tileName + "\n" + 
			     tile.information.toString());
	
      }
    if (evt.target == button6) {
      this.hide();
      this.dispose();
    }
    return false;
  }
  
}