/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.ballroom.client.widgets.forms;
import java.util.Arrays;
import java.util.Collections;
import com.google.gwt.junit.client.GWTTestCase;
import com.google.gwt.user.client.ui.ComplexPanel;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;
import org.junit.Test;
/**
* @author David Bosschaert
*/
public class ListBoxItemTest extends GWTTestCase {
@Override
public String getModuleName() {
return "org.jboss.ballroom.Framework";
}
@Test
public void testListBoxItem() {
ListBoxItem lbi = new ListBoxItem("listbox", "List Box");
assertEquals("listbox", lbi.getName());
assertEquals("List Box", lbi.getTitle());
HorizontalPanel panel = (HorizontalPanel) lbi.asWidget();
ListBox listBox = findListBox(panel);
assertEquals(0, listBox.getItemCount());
lbi.setChoices(Arrays.asList("b", "a"), null);
assertEquals(2, listBox.getItemCount());
assertEquals("a", listBox.getItemText(0));
assertEquals("b", listBox.getItemText(1));
assertNull(lbi.getValue());
try {
lbi.setValue("c");
fail("Should have thrown an exception as 'c' is not one of the listbox values");
} catch (IllegalStateException ise) {
// good
}
assertNull(lbi.getValue());
lbi.setValue("b");
assertEquals("b", lbi.getValue());
listBox.setSelectedIndex(0);
assertEquals("a", lbi.getValue());
lbi.setChoices(Collections.singleton("d"), "d");
assertEquals(1, listBox.getItemCount());
assertEquals("d", listBox.getItemText(0));
assertEquals("d", lbi.getValue());
}
@Test
public void testListBoxItemEnablement() {
ListBoxItem lbi = new ListBoxItem("listbox", "List Box");
HorizontalPanel panel = (HorizontalPanel) lbi.asWidget();
ListBox listBox = findListBox(panel);
assertTrue(listBox.isEnabled());
lbi.setEnabled(false);
assertFalse(listBox.isEnabled());
lbi.setEnabled(true);
assertTrue(listBox.isEnabled());
}
@Test
public void testModification() {
ListBoxItem lbi = new ListBoxItem("listbox", "List Box");
lbi.setChoices(Arrays.asList("And one", "And two"), "And one");
assertFalse("Precondition", lbi.isModified());
lbi.valueChangeHandler.onChange(null);
assertTrue(lbi.isModified());
lbi.resetMetaData();
assertFalse(lbi.isModified());
}
private ListBox findListBox(ComplexPanel panel) {
for (int i=0; i < panel.getWidgetCount(); i++) {
Widget child = panel.getWidget(i);
if (child instanceof ListBox)
return (ListBox) child;
}
return null;
}
}