/*
* Copyright 2007 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.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
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;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.CustomButton.Face;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
/**
* Test for <code>PushButton</code> as most of this widget's functionality is UI
* based, the primary test will be in the new UI testing framework once it is
* released.
*/
public class CustomButtonTest extends GWTTestCase {
private static class Handler implements ValueChangeHandler<Boolean> {
Boolean received = null;
public void onValueChange(ValueChangeEvent<Boolean> event) {
received = event.getValue();
}
}
private static final String html = "<b>hello</b><i>world</i>";
public String getModuleName() {
return "com.google.gwt.user.User";
}
public void testCleanupOnRemoval() {
PushButton pb = new PushButton();
ToggleButton tb = new ToggleButton();
RootPanel.get().add(pb);
RootPanel.get().add(tb);
// Synthesize mouse-over events to get both buttons into the 'hover' state.
pb.getElement().dispatchEvent(
Document.get().createMouseOverEvent(1, 0, 0, 0, 0, false, false, false,
false, Event.BUTTON_LEFT, null));
tb.getElement().dispatchEvent(
Document.get().createMouseOverEvent(1, 0, 0, 0, 0, false, false, false,
false, Event.BUTTON_LEFT, null));
assertTrue(pb.isHovering());
assertTrue(tb.isHovering());
// Remove the buttons. The hover state should be cleared.
pb.removeFromParent();
tb.removeFromParent();
assertFalse(pb.isHovering());
assertFalse(tb.isHovering());
}
public void testCSS() {
ToggleButton b = new ToggleButton("up", "down");
b.setStyleName("random");
b.setDown(true);
assertEquals(b.getStylePrimaryName(), "random");
Map faces = new HashMap();
faces.put("downDisabled", b.getDownDisabledFace());
faces.put("upDisabled", b.getUpDisabledFace());
faces.put("down", b.getDownFace());
faces.put("up", b.getUpFace());
faces.put("upHovering", b.getUpHoveringFace());
faces.put("downHovering", b.getDownHoveringFace());
Iterator entries = faces.entrySet().iterator();
// Set all faces as text.
while (entries.hasNext()) {
Map.Entry entry = (Entry) entries.next();
Face f = (Face) entry.getValue();
b.setCurrentFace(f);
assertEquals("random", b.getStylePrimaryName());
assertTrue(b.getStyleName().indexOf("random-" + f.getName()) != -1);
}
entries = faces.entrySet().iterator();
b.addStyleName("fobar");
// Set all faces as text.
while (entries.hasNext()) {
Map.Entry entry = (Entry) entries.next();
Face f = (Face) entry.getValue();
b.setCurrentFace(f);
String computedStyleName = DOM.getElementProperty(b.getElement(),
"className");
assertTrue(computedStyleName.indexOf("random") == 0);
assertTrue(computedStyleName.indexOf("random-" + f.getName()) >= 0);
assertTrue(computedStyleName.indexOf("fobar") >= 0);
}
}
public void testSettingFaces() {
PushButton b = new PushButton();
Map faces = new HashMap();
faces.put("downDisabled", b.getDownDisabledFace());
faces.put("upDisabled", b.getUpDisabledFace());
faces.put("down", b.getDownFace());
faces.put("up", b.getUpFace());
faces.put("upHovering", b.getUpHoveringFace());
faces.put("downHovering", b.getDownHoveringFace());
Iterator entries = faces.entrySet().iterator();
// Set all faces as text.
while (entries.hasNext()) {
Map.Entry entry = (Entry) entries.next();
Face f = (Face) entry.getValue();
String faceName = (String) entry.getKey();
f.setText(faceName);
}
entries = faces.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Entry) entries.next();
Face f = (Face) entry.getValue();
String faceName = (String) entry.getKey();
assertEquals(f.getText(), faceName);
}
// Set all faces as HTML
entries = faces.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Entry) entries.next();
Face f = (Face) entry.getValue();
String faceName = (String) entry.getKey();
f.setHTML("<b>" + faceName + "</b>");
}
entries = faces.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Entry) entries.next();
Face f = (Face) entry.getValue();
String faceName = (String) entry.getKey();
assertEquals(f.getText(), faceName);
assertEquals(f.getHTML().toLowerCase(), "<b>" + faceName.toLowerCase()
+ "</b>");
}
}
public void testSetSafeHtml() {
PushButton button = new PushButton();
button.setHTML(SafeHtmlUtils.fromSafeConstant(html));
assertEquals(html, button.getHTML().toLowerCase());
}
public void testSyntheticClick() {
ToggleButton b = new ToggleButton();
final ArrayList<String> events = new ArrayList<String>();
Handler h = new Handler();
b.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
events.add(event.getNativeEvent().getType());
}
});
b.addValueChangeHandler(h);
RootPanel.get().add(b);
// Synthesize over/down/up events, which should kick off CustomButton's
// internal machinery to synthesize a click.
b.getElement().dispatchEvent(
Document.get().createMouseOverEvent(1, 0, 0, 0, 0, false, false, false,
false, Event.BUTTON_LEFT, null));
b.getElement().dispatchEvent(
Document.get().createMouseDownEvent(1, 0, 0, 0, 0, false, false, false,
false, Event.BUTTON_LEFT));
b.getElement().dispatchEvent(
Document.get().createMouseUpEvent(1, 0, 0, 0, 0, false, false, false,
false, Event.BUTTON_LEFT));
assertEquals("Expecting one click event", 1, events.size());
assertEquals("Expecting one click event", "click", events.get(0));
assertNotNull("Expecting a value change event", h.received);
}
public void testTransitions() {
ToggleButton b = new ToggleButton("transitions");
b.setDown(true);
assertTrue(b.isDown());
assertFalse(b.isHovering());
assertTrue(b.isEnabled());
b.setHovering(true);
assertTrue(b.isDown());
assertTrue(b.isHovering());
assertTrue(b.isEnabled());
b.setEnabled(false);
assertTrue(b.isDown());
assertFalse(b.isHovering());
assertFalse(b.isEnabled());
b.setDown(false);
assertFalse(b.isHovering());
assertFalse(b.isEnabled());
assertFalse(b.isDown());
b.setEnabled(false);
assertFalse(b.isHovering());
assertFalse(b.isEnabled());
assertFalse(b.isDown());
b.setEnabled(false);
b.setHovering(true);
assertTrue(b.isHovering());
assertFalse(b.isDown());
assertFalse(b.isEnabled());
}
public void testToogleButtonHasValue() {
ToggleButton tb = new ToggleButton();
Handler h = new Handler();
tb.addValueChangeHandler(h);
tb.setDown(false);
assertNull(h.received);
tb.setDown(true);
assertNull(h.received);
tb.setValue(false);
assertNull(h.received);
tb.setValue(true);
assertNull(h.received);
tb.setValue(true, true);
assertNull(h.received);
tb.setValue(false, true);
assertFalse(h.received);
tb.setValue(true, true);
assertTrue(h.received);
}
}