mapview.java~43~

来自「一个很有特点的地图平台,可以以动画方试展现电子地图,有拉近,拉远,滑动功能,最主」· JAVA~43~ 代码 · 共 68 行

package mapcenter.visualmap;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import com.mapinfo.beans.vmapj.*;
import mapcenter.service.*;
import mapcenter.weihu.*;

public class MapView extends JComponent implements MouseListener, MouseMotionListener {
  private Log log = LogFactory.getLog("WebGIS");
  private HashMap mapTools = new HashMap();
  private MapTool currTool = null;

  public MapView() {
    super();
    this.addMouseListener(this);
    this.addMouseMotionListener(this);
  }

  public void renderMap(){
    try{
      Image image = MapHandle.getInstance().render();
      this.getGraphics().drawImage(image,0,0,null);
    }catch(Exception e){log.error(e);}
  }

  public void setCurrentTool(String toolName)throws Exception{
    Iterator toolIter = mapTools.entrySet().iterator();
    while(toolIter.hasNext()){
      MapTool mapTool = (MapTool)toolIter.next();
      mapTool.putValue(mapTool.SMALL_ICON,mapTool.originalIcon);
    }
    MapTool mapTool = (MapTool)mapTools.get(toolName);
    if(mapTool == null)throw new Exception("HashMap Key no find:"+toolName);
    this.currTool = mapTool;

  }

  public void paint(Graphics g){
    currTool.paintOnMap(g);
  }
  //============= MouseListener接口实现 =============
  public void mouseEntered(MouseEvent e) {
    currTool.mouseEntered(new MapMouseEvent(e));
  }
  public void mouseExited(MouseEvent e) {
    currTool.mouseExited(new MapMouseEvent(e));
  }
  public void mousePressed(MouseEvent e) {
    currTool.mousePressed(new MapMouseEvent(e));
  }
  public void mouseReleased(MouseEvent e) {
    currTool.mouseReleased(new MapMouseEvent(e));
  }
  public void mouseDragged(MouseEvent e) {
    currTool.mouseDragged(new MapMouseEvent(e));
  }
  public void mouseMoved(MouseEvent e) {
    currTool.mouseMoved(new MapMouseEvent(e));
  }
  public void mouseClicked(MouseEvent e) {
    currTool.mouseClicked(new MapMouseEvent(e));
  }

}