/*
 * Copyright 1999,2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package peaklau.eaglefund;


import javax.microedition.lcdui.ChoiceGroup;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;

/**
 * FundModifyScreen class <br>
 * 
 * Selecting one fund to modify its quota.<br>
 * 
 * <br>
 *   
 * @author peaklau <br>
 *         email:<A HREF="mailto:peaklau@hotmail.com">peaklau@hotmail.com</A> <br>
 *         <a href="http://www.peaklau.com/fund/english/">HomePage</a> 
 * @version $Revision: 1.1 $ $Date: 2007/05/09 16:07:04 $
 */

public class FundModifyScreen extends Form implements CommandListener {
    private Command back=new Command("返回",Command.BACK,1);
    private Command refresh=new Command("刷新数据",Command.BACK,1);
    private Command ok=new Command("选择",Command.OK,1);
    private INavigator navigator=null;

    
    private ChoiceGroup codeChoices=null;
    private int codeChoicesID=0;
    
    public FundModifyScreen(INavigator navigator){
        super("修改基金");
        this.navigator=navigator;
        codeChoices=new ChoiceGroup("选择要修改的基金",ChoiceGroup.EXCLUSIVE,DataCenter.getFunds(),null);
        
        codeChoicesID=append(codeChoices);

        addCommand(ok);       
        addCommand(back);       
        addCommand(refresh);           
        setCommandListener(this);
    }
    private void refreshData(){
        if(codeChoices!=null){
            this.delete(codeChoicesID);
        }
        codeChoices=new ChoiceGroup("选择要修改的基金",ChoiceGroup.EXCLUSIVE,DataCenter.getFunds(),null);
        codeChoicesID=append(codeChoices);
    }
	
   
	public void commandAction(Command command, Displayable displayable) {
        if(command == refresh){
            refreshData();
        }else if(command == back){
            navigator.getDisplay().setCurrent(navigator.getDisplayable("mainScreen"));
        }else   if(command == ok){
            for(int i=0;i<codeChoices.size();i++){
                if(codeChoices.isSelected(i)){
                    String codeID=codeChoices.getString(i); 
                    navigator.getDisplay().setCurrent(new FundDoModifyScreen(codeID,navigator));            
                    navigator.getCanvas("valueScreen").refresh();                    
                }
            }           
        }
	}
	
}