/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.user.client.ui;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.InputElement;
import com.google.gwt.dom.client.LabelElement;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.junit.client.GWTTestCase;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.google.gwt.user.client.DOM;
/**
* Tests the RadioButton class.
*/
public class RadioButtonTest extends GWTTestCase {
private static class Changeable implements ValueChangeHandler<Boolean> {
Boolean received;
public void onValueChange(ValueChangeEvent<Boolean> event) {
received = event.getValue();
}
}
private static final String html1 = "<b>hello</b><i>world</i>:)";
private static final String html2 = "<b>goodbye</b><i>world</i>:(";
/**
* TODO: Re-enable when we figure out how to make them work properly on IE
* (which has the unfortunate property of not passing synthesized events on to
* native controls, keeping the clicks created by these tests from actually
* affecting the radio buttons' states).
*/
public void disabledTestValueChangeViaClick() {
RadioButton r1 = new RadioButton("group1", "Radio 1");
RadioButton r2 = new RadioButton("group1", "Radio 2");
RootPanel.get().add(r1);
RootPanel.get().add(r2);
r1.setValue(true);
Changeable c1 = new Changeable();
r1.addValueChangeHandler(c1);
Changeable c2 = new Changeable();
r2.addValueChangeHandler(c2);
// Brittle, but there's no public access
InputElement r1Radio = getRadioElement(r1);
InputElement r2Radio = getRadioElement(r2);
doClick(r1Radio);
assertEquals(null, c1.received);
assertEquals(null, c2.received);
doClick(r2Radio);
assertEquals(null, c1.received);
assertEquals(Boolean.TRUE, c2.received);
c2.received = null;
doClick(r1Radio);
assertEquals(Boolean.TRUE, c1.received);
assertEquals(null, c2.received);
}
/**
* TODO: Re-enable when we figure out how to make them work properly on IE
* (which has the unfortunate property of not passing synthesized events on to
* native controls, keeping the clicks created by these tests from actually
* affecting the radio buttons' states).
*/
public void disabledTestValueChangeViaLabelClick() {
RadioButton r1 = new RadioButton("group1", "Radio 1");
RadioButton r2 = new RadioButton("group1", "Radio 2");
RootPanel.get().add(r1);
RootPanel.get().add(r2);
r1.setValue(true);
Changeable c1 = new Changeable();
r1.addValueChangeHandler(c1);
Changeable c2 = new Changeable();
r2.addValueChangeHandler(c2);
LabelElement r1Label = getLabelElement(r1);
LabelElement r2Label = getLabelElement(r2);
doClick(r1Label);
assertEquals(null, c1.received);
assertEquals(null, c2.received);
doClick(r2Label);
assertEquals(null, c1.received);
assertEquals(Boolean.TRUE, c2.received);
c2.received = null;
doClick(r1Label);
assertEquals(Boolean.TRUE, c1.received);
assertEquals(null, c2.received);
}
@Override
public String getModuleName() {
return "com.google.gwt.user.DebugTest";
}
public void testDebugId() {
RadioButton radio = new RadioButton("myName", "myLabel");
// We need to replace the input element so we can keep a handle to it
com.google.gwt.user.client.Element newInput = DOM.createInputRadio("MyName");
radio.replaceInputElement(newInput);
radio.ensureDebugId("myRadio");
RootPanel.get().add(radio);
UIObjectTest.assertDebugId("myRadio", radio.getElement());
UIObjectTest.assertDebugId("myRadio-input", newInput);
UIObjectTest.assertDebugIdContents("myRadio-label", "myLabel");
}
/**
* Test the name and grouping methods.
*/
public void testGrouping() {
// Create some radio buttons
RadioButton r1 = new RadioButton("group1", "Radio 1");
RadioButton r2 = new RadioButton("group1", "Radio 2");
RadioButton r3 = new RadioButton("group2", "Radio 3");
RootPanel.get().add(r1);
RootPanel.get().add(r2);
RootPanel.get().add(r3);
// Check one button in each group
r2.setValue(true);
r3.setValue(true);
// Move a button over
r2.setName("group2");
// Check that the correct buttons are checked
assertTrue(r2.getValue());
assertFalse(r3.getValue());
r1.setValue(true);
assertTrue(r1.getValue());
assertTrue(r2.getValue());
r3.setValue(true);
assertTrue(r1.getValue());
assertFalse(r2.getValue());
assertTrue(r3.getValue());
}
/**
* Test the name and grouping methods via deprecated calls.
*/
@SuppressWarnings("deprecation")
public void testGroupingDeprecated() {
// Create some radio buttons
RadioButton r1 = new RadioButton("group1", "Radio 1");
RadioButton r2 = new RadioButton("group1", "Radio 2");
RadioButton r3 = new RadioButton("group2", "Radio 3");
RootPanel.get().add(r1);
RootPanel.get().add(r2);
RootPanel.get().add(r3);
// Check one button in each group
r2.setChecked(true);
r3.setChecked(true);
// Move a button over
r2.setName("group2");
// Check that the correct buttons are checked
assertTrue(r2.isChecked());
assertFalse(r3.isChecked());
r1.setChecked(true);
assertTrue(r1.isChecked());
assertTrue(r2.isChecked());
r3.setChecked(true);
assertTrue(r1.isChecked());
assertFalse(r2.isChecked());
assertTrue(r3.isChecked());
}
/**
* Ensures that the element order doesn't get reversed when the radio's name
* is changed.
*/
public void testOrderAfterSetName() {
RadioButton radio = new RadioButton("oldName");
assertEquals("oldName", radio.getName());
radio.setName("newName");
assertEquals("newName", radio.getName());
Element parent = radio.getElement();
Element firstChild = parent.getFirstChildElement().cast();
Element secondChild = firstChild.getNextSiblingElement().cast();
assertEquals("input", firstChild.getTagName().toLowerCase());
assertEquals("label", secondChild.getTagName().toLowerCase());
}
public void testSafeHtml() {
RadioButton radio =
new RadioButton("radio", SafeHtmlUtils.fromSafeConstant(html1));
assertEquals("radio", radio.getName());
assertEquals(html1, radio.getHTML().toLowerCase());
radio.setHTML(SafeHtmlUtils.fromSafeConstant(html2));
assertEquals(html2, radio.getHTML().toLowerCase());
}
private void doClick(Element elm) {
NativeEvent e = Document.get().createMouseDownEvent(0, 25, 25, 25, 25,
false, false, false, false, NativeEvent.BUTTON_LEFT);
elm.dispatchEvent(e);
e = Document.get().createMouseUpEvent(0, 25, 25, 25, 25, false, false,
false, false, NativeEvent.BUTTON_LEFT);
elm.dispatchEvent(e);
e = Document.get().createClickEvent(0, 25, 25, 25, 25, false, false, false,
false);
elm.dispatchEvent(e);
}
private LabelElement getLabelElement(RadioButton radioButton) {
LabelElement r1Label = LabelElement.as(Element.as(getRadioElement(
radioButton).getNextSiblingElement()));
return r1Label;
}
private InputElement getRadioElement(RadioButton radioButton) {
InputElement r1Radio = InputElement.as(Element.as(radioButton.getElement().getFirstChild()));
return r1Radio;
}
}