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- /*
- * Copyright 2000-2018 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.v7.client.ui;
-
- import com.google.gwt.core.client.Scheduler;
- import com.google.gwt.dom.client.Element;
- import com.google.gwt.dom.client.Style;
- 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.Field;
- import com.vaadin.client.ui.Icon;
- 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() || BrowserInfo.get().isFirefox()) {
- // Webkit and Firefox do not focus non-text input elements on click
- // (#3944)
- 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);
- }
-
- @Override
- protected void onAttach() {
- super.onAttach();
-
- if (BrowserInfo.get().isSafari()) {
- /*
- * Sometimes Safari does not render checkbox correctly when
- * attaching. Setting the visibility to hidden and a bit later
- * restoring will make everything just fine.
- */
- getElement().getStyle().setVisibility(Style.Visibility.HIDDEN);
- Scheduler.get().scheduleFinally(() -> {
- getElement().getStyle().setVisibility(Style.Visibility.VISIBLE);
- });
- }
- }
- }
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