/*
* Copyright 2000-2014 Vaadin Ltd.
*
* 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.vaadin.client.ui;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;
import com.vaadin.client.ApplicationConnection;
import com.vaadin.client.BrowserInfo;
import com.vaadin.client.Util;
import com.vaadin.client.VTooltip;
import com.vaadin.client.ui.aria.AriaHelper;
import com.vaadin.client.ui.aria.HandlesAriaInvalid;
import com.vaadin.client.ui.aria.HandlesAriaRequired;
public class VCheckBox extends com.google.gwt.user.client.ui.CheckBox implements
Field, HandlesAriaInvalid, HandlesAriaRequired {
public static final String CLASSNAME = "v-checkbox";
/** For internal use only. May be removed or replaced in the future. */
public String id;
/** For internal use only. May be removed or replaced in the future. */
public boolean immediate;
/** For internal use only. May be removed or replaced in the future. */
public ApplicationConnection client;
/** For internal use only. May be removed or replaced in the future. */
public Element errorIndicatorElement;
/** For internal use only. May be removed or replaced in the future. */
public Icon icon;
public VCheckBox() {
setStyleName(CLASSNAME);
Element el = DOM.getFirstChild(getElement());
while (el != null) {
DOM.sinkEvents(el,
(DOM.getEventsSunk(el) | VTooltip.TOOLTIP_EVENTS));
el = DOM.getNextSibling(el);
}
if (BrowserInfo.get().isWebkit()) {
// Webkit does not focus non-text input elements on click
// (#11854)
addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
setFocus(true);
}
});
}
}
@Override
public void onBrowserEvent(Event event) {
if (icon != null && (event.getTypeInt() == Event.ONCLICK)
&& (DOM.eventGetTarget(event) == icon.getElement())) {
// Click on icon should do nothing if widget is disabled
if (isEnabled()) {
setValue(!getValue());
}
}
super.onBrowserEvent(event);
if (event.getTypeInt() == Event.ONLOAD) {
Util.notifyParentOfSizeChange(this, true);
}
}
/**
* Gives access to the input element.
*
* @return Element of the CheckBox itself
*/
private Element getCheckBoxElement() {
// FIXME: Would love to use a better way to access the checkbox element
return getElement().getFirstChildElement();
}
@Override
public void setAriaRequired(boolean required) {
AriaHelper.handleInputRequired(getCheckBoxElement(), required);
}
@Override
public void setAriaInvalid(boolean invalid) {
AriaHelper.handleInputInvalid(getCheckBoxElement(), invalid);
}
}