addgradeform.java

一款Java版的课程表软件

package ui;

import java.io.UnsupportedEncodingException;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.TextField;
import javax.microedition.rms.RecordStore;
import javax.microedition.rms.RecordStoreException;
import javax.microedition.rms.RecordStoreFullException;
import javax.microedition.rms.RecordStoreNotFoundException;
import javax.microedition.rms.RecordStoreNotOpenException;

import clasAn.ClasAnsistMIDlet;
import clasAn.core.GUIInfo;

public class AddGradeForm extends Form implements CommandListener {
	private ClasAnsistMIDlet clasAnsistMIDlet;
	private Display display;
	private TextField textField;
	private Command cmdOK;
	private Command cmdBack;
	
	//private int grades;
		private String s;
      public AddGradeForm(ClasAnsistMIDlet c,int gradesNumExisited) {
		super(GUIInfo.SOFTWARE_NAME);
		   	  this.clasAnsistMIDlet=c;
    	  display=Display.getDisplay(clasAnsistMIDlet);
    	  
    	//  this.grades=gradesNumExisited;
    	  
		cmdOK=new Command(GUIInfo.COMMAND_OK,Command.OK,1);
		cmdBack=new Command(GUIInfo.COMMAND_BACK,Command.BACK,1);
		textField=new TextField("内容","",GUIInfo.GRADE_NAME,TextField.ANY);
		
		append("请输入要添加的班级名称");
		append(textField);
		setCommandListener(this);
		addCommand(cmdBack);
		addCommand(cmdOK);
		
	}
	public void commandAction(Command c, Displayable arg1) {
		if(c.getCommandType()==Command.OK){
			System.out.println(GUIInfo.COMMAND_OK);
			byte[] tmpBytes;
			s=this.textField.getString();
			if(s.length()!=0){
				try {
					tmpBytes=s.getBytes("UTF-8");
					//建立课程名称表
					RecordStore rsData=RecordStore.openRecordStore(GUIInfo.GRADES_RECORD, true);
					rsData.addRecord(tmpBytes, 0, tmpBytes.length);
					rsData.closeRecordStore();
//					//建立桥接表
//					//System.out.println((byte)grades);
//					
//						rsData=RecordStore.openRecordStore(GUIInfo.BRIDGE_RECORD, true);
//						tmpBytes=String.valueOf(grades).getBytes("UTF-8");
//						rsData.addRecord(tmpBytes, 0, tmpBytes.length);
				
				
				} catch (UnsupportedEncodingException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				} catch (RecordStoreFullException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				} catch (RecordStoreNotFoundException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				} catch (RecordStoreNotOpenException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				} catch (RecordStoreException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}	
			}
			this.display.setCurrent(new GradeList(this.clasAnsistMIDlet));

		}
		else if(c==cmdBack){
			System.out.println(GUIInfo.COMMAND_BACK);
			this.display.setCurrent(new GradeList(this.clasAnsistMIDlet));
		}
		
	}
}