www.pudn.com > WordTip.zip > ViewAll.java

/* 
 * Created on 2005-1-27 
 * 
 * TODO To change the template for this generated file go to 
 * Window - Preferences - Java - Code Style - Code Templates 
 */ 
package net.hyweb.ui; 
 
import java.io.IOException; 
 
import javax.microedition.lcdui.*; 
 
import net.hyweb.wordmodel.*; 
/** 
 * @author user 
 * 
 * TODO To change the template for this generated type comment go to 
 * Window - Preferences - Java - Code Style - Code Templates 
 */ 
public class ViewAll extends List implements CommandListener{ 
	 
	private UIController uicontroller;  
	private Model model; 
	private Image   image; 
	private Command exitCommand; 
	private Command deleteCommand; 
	private Command detailCommand; 
	private Word[] word = null; 
	 
	/** 
	 * @param arg0 
	 * @param arg1 
	 * @throws IllegalArgumentException 
	 */ 
	public ViewAll(UIController uicontroller) throws IllegalArgumentException { 
		super("ViewAll", List.IMPLICIT); 
		this.uicontroller = uicontroller; 
		model = new Model(); 
		image = this.createImage("/icon1.png"); 
		 
		this.detailCommand = new Command("Detail", Command.ITEM, 1); 
		this.deleteCommand = new Command("Delete", Command.ITEM, 2); 
		this.exitCommand   = new Command("Back", Command.BACK, 3); 
		 
		this.addCommand(this.detailCommand); 
		this.addCommand(this.deleteCommand); 
		this.addCommand(this.exitCommand); 
		setCommandListener(this); 
		 
	} 
	 
	/** 
	 *  刷新浏览单词列表 
	 *  在刷新的清空步骤中，要首先 “反向” 删除List中的内容 
	 *  如果正向删除，会导致列表在删到后一半的时候出现外溢 
	 */ 
	public void refresh(){ 
		Word[] words = model.ViewAll(); 
			 
		//首先删除所有信息 
		int iCount = this.size(); 
		for(int j = iCount - 1; j >= 0; j --){ 
			this.delete(j); 
		} 
		 
		if(words == null){ 
			return; 
		} 
		 
		//列出所有单词信息 
		for(int i = 0; i < words.length; i++){ 
			this.append(words[i].getEnWord(), image); 
		} 
	} 
	 
	public void refresh_Search(){ 
		if(this.word == null){ 
			return; 
		}else{ 
			int iCount = this.size(); 
			for(int j = iCount - 1; j >= 0; j --){ 
				this.delete(j); 
			} 
			 
			//列出所有单词信息 
			for(int i = 0; i < this.word.length; i++){ 
				this.append(word[i].getEnWord(), image); 
			} 
		} 
	} 
	 
	public Image createImage(String name){ 
		Image image = null; 
		try { 
			image = Image.createImage(name); 
		} catch (IOException e) { 
			 
			e.printStackTrace(); 
		} 
		return image; 
	} 
 
	 
	public void commandAction(Command command, Displayable display) { 
		 
		if(command.equals(this.detailCommand)){ 
			int i = this.getSelectedIndex(); 
			if(i < 0){ 
				uicontroller.EventController(EventID.ALERT_EMPTY); 
			}else{ 
			    uicontroller.EventController(EventID.DETAILED_WORD, new Object[]{this.getString(i)}); 
			} 
			 
		}else if(command.equals(this.deleteCommand)){ 
			int i = this.getSelectedIndex(); 
			if(i < 0){ 
				uicontroller.EventController(EventID.ALERT_EMPTY); 
			}else{ 
			    uicontroller.EventController(EventID.DELETE_WORD, new Object[]{this.getString(i), new Integer(i)}); 
			} 
		}else{ 
			uicontroller.EventController(EventID.UI_MAIN); 
			 
		} 
	} 
 
	/** 
	 * @return Returns the word. 
	 */ 
	public Word[] getWord() { 
		return word; 
	} 
	/** 
	 * @param word The word to set. 
	 */ 
	public void setWord(Word[] word) { 
		this.word = word; 
	} 
}