Mega Code Archive
GUI test
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/* License
*
* Copyright 1994-2004 Sun Microsystems, Inc. All Rights Reserved.
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* Redistribution and use in source and binary forms, with or without
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* may be used to endorse or promote products derived from this software
* without specific prior written permission.
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* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
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*/
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Choice;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.DateField;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Gauge;
import javax.microedition.lcdui.List;
import javax.microedition.lcdui.TextBox;
import javax.microedition.lcdui.TextField;
import javax.microedition.lcdui.Ticker;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
public class J2MEGuiTests extends MIDlet implements CommandListener {
// display manager
Display display;
// a menu with items
// main menu
List menu;
// list of choices
List choose;
// textbox
TextBox input;
// ticker
Ticker ticker = new Ticker("Test GUI Components");
// alerts
final Alert soundAlert = new Alert("sound Alert");
// date
DateField date = new DateField("Today's date: ", DateField.DATE);
// form
Form form = new Form("Form for Stuff");
// today's form
Form today = new Form("Today's date");
// gauge
Gauge gauge = new Gauge("Progress Bar", false, 20, 9);
// text field
TextField textfield = new TextField("TextField Label", "abc", 50, 0);
// command
static final Command backCommand = new Command("Back", Command.BACK, 0);
static final Command mainMenuCommand = new Command("Main", Command.SCREEN, 1);
static final Command exitCommand = new Command("Exit", Command.STOP, 2);
String currentMenu;
// constructor.
public J2MEGuiTests() {
}
/**
* Start the MIDlet by creating a list of items and associating the exit
* command with it.
*/
public void startApp() throws MIDletStateChangeException {
display = Display.getDisplay(this);
menu = new List("Test Components", Choice.IMPLICIT);
menu.append("Test TextBox", null);
menu.append("Test List", null);
menu.append("Test Alert", null);
menu.append("Test Date", null);
menu.append("Test Form", null);
menu.addCommand(exitCommand);
menu.setCommandListener(this);
menu.setTicker(ticker);
mainMenu();
// form
form.append(gauge);
form.append(textfield);
// today
today.append(date);
}
public void pauseApp() {
display = null;
choose = null;
menu = null;
ticker = null;
form = null;
today = null;
input = null;
gauge = null;
textfield = null;
}
public void destroyApp(boolean unconditional) {
notifyDestroyed();
}
// main menu
void mainMenu() {
display.setCurrent(menu);
currentMenu = "Main";
}
/**
* Test the TextBox component.
*/
public void testTextBox() {
input = new TextBox("Enter Some Text:", "", 10, TextField.ANY);
input.setTicker(new Ticker("Testing TextBox"));
input.addCommand(backCommand);
input.setCommandListener(this);
input.setString("");
display.setCurrent(input);
currentMenu = "input";
}
/**
* Test the List component.
*/
public void testList() {
choose = new List("Choose Items", Choice.MULTIPLE);
choose.setTicker(new Ticker("Testing List"));
choose.addCommand(backCommand);
choose.setCommandListener(this);
choose.append("Item 1", null);
choose.append("Item 2", null);
choose.append("Item 3", null);
display.setCurrent(choose);
currentMenu = "list";
}
/**
* Test the Alert component.
*/
public void testAlert() {
soundAlert.setType(AlertType.ERROR);
// soundAlert.setTimeout(20);
soundAlert.setString("** ERROR **");
display.setCurrent(soundAlert);
}
/**
* Test the DateField component.
*/
public void testDate() {
java.util.Date now = new java.util.Date();
date.setDate(now);
today.addCommand(backCommand);
today.setCommandListener(this);
display.setCurrent(today);
currentMenu = "date";
}
/**
* Test the Form component.
*/
public void testForm() {
form.addCommand(backCommand);
form.setCommandListener(this);
display.setCurrent(form);
currentMenu = "form";
}
/**
* Handle events.
*/
public void commandAction(Command c, Displayable d) {
String label = c.getLabel();
if (label.equals("Exit")) {
destroyApp(true);
} else if (label.equals("Back")) {
if (currentMenu.equals("list") || currentMenu.equals("input")
|| currentMenu.equals("date") || currentMenu.equals("form")) {
// go back to menu
mainMenu();
}
} else {
List down = (List) display.getCurrent();
switch (down.getSelectedIndex()) {
case 0:
testTextBox();
break;
case 1:
testList();
break;
case 2:
testAlert();
break;
case 3:
testDate();
break;
case 4:
testForm();
break;
}
}
}
}
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