arcpathpointhandler.java

来自「Petri网分析工具PIPE is open-source」· Java 代码 · 共 62 行

//######################################################################################
/*
 * Created on 28-Feb-2004
 * Author is Michael Camacho
 *
 */
//######################################################################################
package pipe.gui;

import java.awt.Container;
import java.awt.event.MouseEvent;

import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;

import pipe.dataLayer.ArcPathPoint;

public class ArcPathPointHandler extends PetriNetObjectHandler {
	public ArcPathPointHandler(Container contentpane, ArcPathPoint obj) {
		super(contentpane, obj);
		enablePopup = true;
	}	

		/** Creates the popup menu that the user will see when they right click on a component */
		public JPopupMenu getPopup(MouseEvent e)
		{
      JPopupMenu popup;
      
      if(((ArcPathPoint)myObject).isDeleteable()) popup = super.getPopup(e);
      else popup = new JPopupMenu();

      if(((ArcPathPoint)myObject).getIndex()==0) return null;
      else {
  	  	JMenuItem menuItem = new JMenuItem(new ToggleArcPointAction((ArcPathPoint)myObject));
  	  	if (((ArcPathPoint)myObject).getPointType() == ArcPathPoint.STRAIGHT)
  	  		menuItem.setText("Change to Curved");
  	  	else
  	  		menuItem.setText("Change to Straight");
  	  	popup.add(menuItem);
      }
			return popup;
		}

	public void mousePressed(MouseEvent e)
	{
		if (myObject.isEnabled())
		{
			((ArcPathPoint)e.getComponent()).setVisibilityLock(true);
			super.mousePressed(e);
		}
	}

	public void mouseDragged(MouseEvent e) {
		super.mouseDragged(e);	
	}

  public void mouseReleased(MouseEvent e) {
		((ArcPathPoint)e.getComponent()).setVisibilityLock(false);
		super.mouseReleased(e);
	}
}