part.java

手机电子书阅读软件基本框架

/********************************************************************
 * 
 * 版权说明，此程序仅供学习参考。不能用于商业
 * 
 ********************************************************************/
package org.pook.ui;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;

import org.pook.ui.event.PartChangeListener;

 

 

/**
 * <b>类名：Part.java</b> </br> 编写日期: 2006-9-14 <br/> 程序功能描述�? �?有窗口的部件<br/> Demo:
 * <br/> Bug: <br/>
 * 
 * 程序变更日期 �?<br/> 变更作�?? �?<br/> 变更说明 �?<br/>
 * 
 * @author wuhua </br> <a href="mailto:[e-mail]">[e-mail]</a>
 */
public abstract class Part {

	protected final int X = 0;

	protected final int Y = 1;

	protected final int WIDTH = 2;

	protected final int HEIGHT = 3;

	/**
	 * 位置的显�?
	 */
	protected int view[] = new int[4];

	/**
	 * 背景�?
	 */
	protected int bgColor = 0x000000;

	/**
	 * 字体颜色
	 */
	protected int fontColor = 0xFFFFFF;

	protected int selectIndex;

	protected Canvas container;
	
	protected String label;
	  
	/** 每个Item都有自己的聚�? **/
	protected boolean hasFocus;

	protected PartChangeListener partChangeListener;
	
	public Part(int x, int y, int widht, int height) {
		view[X] = x;
		view[Y] = y;
		view[WIDTH] = widht;
		view[HEIGHT] = height;
	}

	public void setStyle(int bgColor, int fontColor) {
		this.bgColor = bgColor;
		this.fontColor = fontColor;
	}

	/**
	 * 默认字体
	 */
	protected Font font = Font.getDefaultFont();

	/**
	 * 资料实现绘制方法
	 * 
	 * @param g
	 */
	public abstract void paint(Graphics g);

	/**
	 * 事件
	 * 
	 * @param keyCode
	 */
	public abstract void onClick(int keyCode);

	public int getSelectIndex() {
	 
		return selectIndex;
	}

	public void setSelectIndex(int selectIndex) {
		this.selectIndex = selectIndex;
	}

	/**
	 * 改变部件的位�?
	 */
	public void changePosition(int x, int y, int width, int height){
		view[X] = x;
		view[Y] = y;
		view[WIDTH] = width;
		view[HEIGHT] = height;	
	}

	public void setContainer(Canvas container) {
		this.container = container;
	}
	
	/**
	 * 聚焦
	 * @param hasFocus
	 */
	public void setHasFocus(boolean hasFocus){
		this.hasFocus = hasFocus;
		 
	}
	
	public void setPartChangeListener(PartChangeListener partChangeListener) {
		this.partChangeListener = partChangeListener;
	}

	public int[] getView() {
		return view;
	}
}