textinput.java

来自「一款Java版的课程表软件」· Java 代码 · 共 45 行

package ui;


import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.TextBox;
import javax.microedition.lcdui.TextField;

import ui.unit.CourseItem;




/**
 *
 * @version 2.0
 */
public class TextInput extends TextBox implements CommandListener {
    private static final Command CMD_OK = new Command("OK", Command.OK, 1);
    private static final Command CMD_CANCEL = new Command("Cancel", Command.CANCEL, 1);
    private CourseItem parent;
    private Display display;

    public TextInput(String text, CourseItem parent, Display display) {
        super("Enter Text", text, 50, TextField.ANY);
        this.parent = parent;
        this.display = display;
        addCommand(CMD_OK);
        addCommand(CMD_CANCEL);
        setCommandListener(this);
    }

    public void commandAction(Command c, Displayable d) {
        if (c == CMD_OK) {
        String tmpStr=getString();
        	parent.setContent(tmpStr);
            display.setCurrentItem(parent);
        } else if (c == CMD_CANCEL) {
            display.setCurrentItem(parent);
        }
    }
}