/* * To change this template, choose Tools | Templates * and open the template in the editor. */package cn.sda.ui;import java.util.Enumeration;import java.util.Vector;import javax.microedition.lcdui.Image;/** * * @author Administrator */public class SDAImageList {    private Vector imageList = null;    //需要刷新的組件列表    private Vector imageControlList = null;    public SDAImageList() {        imageList = new Vector();        imageControlList = new Vector();    }    public void addImage(Image image) {        if (!imageList.contains(image)) {            imageList.addElement(image);            refreshImageControl();        }    }    public void addImage(String imageName) {        try {            Image image = Image.createImage(imageName);            addImage(image);        } catch (Exception e) {        }    }    public void deleteImage(Image image) {        if (imageList.contains(image)) {            imageList.removeElement(image);            refreshImageControl();        }    }    public void deleteImage(int imageIndex) {        if (imageIndex > -1 && imageIndex < imageList.size()) {            imageList.removeElementAt(imageIndex);            refreshImageControl();        }    }    public Image getImage(int imageIndex) {        Image result = null;        if (imageIndex > -1 && imageIndex < imageList.size()) {            result = (Image) imageList.elementAt(imageIndex);        }        return result;    }    public int getImageCount() {        return imageList.size();    }    public Enumeration getImageList() {        return imageList.elements();    }    public void clear() {        imageList.removeAllElements();        refreshImageControl();        System.gc();    }    //刷新組件    private void refreshImageControl() {        for (int i = 0; i < imageControlList.size(); i++) {            SDABaseControl ctrl = (SDABaseControl) imageControlList.elementAt(i);            if (ctrl != null) {                ctrl.paint();            }        }    }    //設置需要刷新的組件    protected void setWatchControl(SDABaseControl control, boolean setWatch) {        if (setWatch) {            if (!imageControlList.contains(control)) {                imageControlList.addElement(control);            }        } else {            int id = imageControlList.indexOf(control);            if (id > -1) {                imageControlList.removeElementAt(id);            }        }    }}