package ui;// Download by http://www.codefans.netimport 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);        }    }}