stringitem.java

最强手机阅读器Anyview3.0版的界面代码

package com.ismyway.fairyui;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;

import com.ismyway.anyview.others.Settings;
import com.ismyway.util.Theme;

public class StringItem extends DisplayableBlock {
	private String text = "";
	private Image image;
	private Object data = null;

	//以下为私有变量，用于控制动画显示
	private boolean animate = false;
	private int animateX = 0; //偏移的X坐标
	private int animateLen = 0; //可用于动画的步长
	private boolean dec = true; //X坐标增加还是减少的标志位
	private int delayStep = 0; //停留10步后再开始动画 

	public StringItem(String text) {
		this(text, null);
	}

	public StringItem(String text, Image image) {
		this.text = text;
		this.image = image;
		addCommand(new Command(text, Command.OK, 1));
	}

	public void paint(Graphics g, int adjustx, int adjusty) {
		//System.out.println("ListElement.paint()");
		int x, y;
		x = getLeft() - adjustx;
		y = getTop() - adjusty;
		int clipWidth = getWidth();

		if (null != image) {
			g.setClip(x, y, 16, 16);
			g.drawImage(image, x, y, LEFTTOP);
			restoreClip(g);
		}

		x += 18;
		clipWidth -= 18;

		g.setClip(x, y, clipWidth, getHeight());
		g.setFont(getFont());
		if (isSelected()) {
			Theme.drawSelectedBackground(g, x, y, clipWidth, getHeight());
			g.setColor(Theme.TextLight);
			g.drawString(text, x - animateX, y, ANCHOR);
		} else {
			g.setColor(Theme.TextColor);
			g.drawString(text, x - animateX, y, ANCHOR);
		}
		restoreClip(g);
	}

	public String getText() {
		return text;
	}

	public void setText(String text) {
		this.text = text;
	}

	public void setSelected(boolean b) {
		super.setSelected(b);
		if (!b) {
			animateX = 0;
			dec = true;
			delayStep = 0;
		}
	}

	public boolean isAnimated() {
		if (isSelected() && animate && delayStep > 10) {
			return true;
		}
		delayStep++;
		return false;
	}

	public boolean clock() {
		if (isAnimated()) {
			if (dec) {
				animateX++;
				if (animateX > animateLen) {
					dec = !dec;
				}
			} else {
				animateX--;
				if (animateX == 0) {
					dec = !dec;
				}
			}

			return true;
		}
		return false;
	}

	public void validate() {

	}

	public void putInSequence(int[] rect, int width) {
		int height = getFont().getHeight();
		if (null != image) {
			int imgHeight = image.getHeight();
			imgHeight = imgHeight > 16 ? 16 : imgHeight;
			height = imgHeight > height ? imgHeight : height;
		}

		if (rect[0] != Settings.VECPADDING) {
			rect[1] = rect[1] + rect[3] + Settings.HORPADDING;
			rect[0] = Settings.VECPADDING;
			rect[3] = 1;
			rect[2] = width;
		}

		setInnerLeft(rect[0]);
		setInnerTop(rect[1]);
		setWidth(width);
		setHeight(height);
		animateLen = getFont().stringWidth(text) - width + 18;
		animate = animateLen > 0;

		rect[0] = Settings.VECPADDING;
		rect[1] = getInnerTop() + getHeight() + Settings.HORPADDING;
		rect[2] = width;
		rect[3] = 1;
	}

	public Object getData() {
		return data;
	}

	public void setData(Object data) {
		this.data = data;
	}

	public Image getImage() {
		return image;
	}

	public void setImage(Image image) {
		this.image = image;
	}
}