notesaverui.java

手机记事本程序

/*
 * Created on 2005-3-6
 *
 * Note Project
 */
package com.favo.note;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.TextBox;
import javax.microedition.lcdui.TextField;
import javax.microedition.lcdui.Alert;

import com.favo.ui.BaseController;
import com.favo.ui.BaseView;

/**
 * @author Favo
 * 
 * NoteSaverUI <<Boundary>>
 */
public class NoteSaverUI extends BaseView implements CommandListener {

	NoteEditWorkflow noteEditWorkflow;
	TextBox titleBox;
	private Command saveCMD;
	
		/**
		 * @param noteEditWorkflow
		 */
	public NoteSaverUI(NoteEditWorkflow noteEditWorkflow) {
		super();
		this.noteEditWorkflow = noteEditWorkflow;
	}
	
	public Display getDisplay() {
		return NoteMidlet.getDisplay();
	}

	public Displayable getScreen() {
		return titleBox;
	}

	protected void createView() throws Exception {
		NoteEditWorkflow noteEditWorkflow=(NoteEditWorkflow)getController();
		titleBox=new TextBox("","",50,TextField.ANY);//注意,此处的50与设备相关连,应该写入jad然后读出
		titleBox.setTitle("note name");
		titleBox.setString(noteEditWorkflow.getTitle());
		saveCMD=new Command("save",Command.ITEM,2);
		titleBox.addCommand(saveCMD);
		titleBox.setCommandListener(this);
	}

	
	public void updateView() throws Exception {
		titleBox.setString(noteEditWorkflow.getTitle());
	}

	
	public BaseController getController() {
		return noteEditWorkflow;
	}

	public void commandAction(Command arg0, Displayable arg1) {
		if(arg0==saveCMD){
			String str=titleBox.getString();
			if(str.equals("")){
				Alert al=new Alert("Warning");
				al.setString("Please input node name");
				getDisplay().setCurrent(al);
				return;
			}else{
				((NoteEditWorkflow)getController()).getNote().setTitle(titleBox.getString());
				((NoteEditWorkflow)getController()).saveNote();
			}
		}
	}
}