treeviewdemo.java.svn-base

开发框架。 一.说明： 此框架的意图是解决手机软件开发中常遇到

package org.gggeye.easymf.demo.ui;

import javax.microedition.lcdui.Displayable;

import org.gggeye.easymf.demo.Action;
import org.gggeye.easymf.demo.DemoApp;
import org.gggeye.easymf.midlet.MIDletManager;
import org.gggeye.easymf.ui.EventListener;
import org.gggeye.easymf.ui.Menu;
import org.gggeye.easymf.ui.MenuItem;
import org.gggeye.easymf.ui.Tree;
import org.gggeye.easymf.ui.TreeNode;
import org.gggeye.easymf.ui.TreeView;
import org.gggeye.easymf.ui.View;

public class TreeViewDemo extends TreeView implements EventListener{
	
	
	public TreeViewDemo() {
		super("List Demo");
		this.setEventListener(this);
		createMenu(); 
		for(int i=0; i< 10; i++){
			this.addTree("树 ==> " + i);
		}
		 
	}
	
	final void createMenu(){
		Menu tMenu = new Menu(this);
		tMenu.addMenuItem(null, "添加树", 1, null);
		tMenu.addMenuItem(null, "添加子节点", 2, null);
		tMenu.addMenuItem(null, "删除", 3, null);
		 
		tMenu.setEventListener(this);
		tMenu.setRightMenu("返回", Action.GO_BACK);
		this.setMenu(tMenu);
	}

	public void viewDoClick(int _keyCode, View element) {
		 
		
	}
	
 

	public void menuDoClick(MenuItem _item, Displayable _displayable) {
		 int flag = _item.flag;
		 switch(flag){
		 case Action.GO_BACK: goBack(); break;
		 
		 case 1: {
			 this.addTree("树 " + this.size());
			 break;
		 }
		 case 2: {
			 View tView = this.getFocusView();
			 TreeNode tTreeNode = new TreeNode("节点一");
			 if(tView instanceof Tree){
				 
				 this.addNode(tTreeNode, (Tree)tView);
			 }
			 break;
		 }
		 case 3:{
			 
			 break;
		 }
		 }
	}
	
	void goBack(){
		((DemoApp)MIDletManager.getMIDlet()).menuList.show();
	}

	 

}