123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140 |
- /*
- * Copyright 2000-2016 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.checkbox;
-
- import com.google.gwt.dom.client.Style.Display;
- 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.MouseEventDetailsBuilder;
- import com.vaadin.client.StyleConstants;
- import com.vaadin.client.VCaption;
- import com.vaadin.client.VTooltip;
- import com.vaadin.client.WidgetUtil.ErrorUtil;
- import com.vaadin.client.annotations.OnStateChange;
- import com.vaadin.client.communication.StateChangeEvent;
- import com.vaadin.client.ui.AbstractFieldConnector;
- import com.vaadin.client.ui.ConnectorFocusAndBlurHandler;
- import com.vaadin.client.ui.Icon;
- import com.vaadin.client.ui.VCheckBox;
- import com.vaadin.shared.EventId;
- import com.vaadin.shared.MouseEventDetails;
- import com.vaadin.shared.ui.Connect;
- import com.vaadin.shared.ui.checkbox.CheckBoxServerRpc;
- import com.vaadin.shared.ui.checkbox.CheckBoxState;
- import com.vaadin.ui.CheckBox;
-
- /**
- * The client-side connector for the {@code CheckBoxGroup} component.
- *
- * @author Vaadin Ltd.
- * @since 8.0
- */
- @Connect(CheckBox.class)
- public class CheckBoxConnector extends AbstractFieldConnector
- implements ClickHandler {
-
- @Override
- public boolean delegateCaptionHandling() {
- return false;
- }
-
- @Override
- protected void init() {
- super.init();
-
- getWidget().addClickHandler(this);
- getWidget().client = getConnection();
- getWidget().id = getConnectorId();
-
- ConnectorFocusAndBlurHandler.addHandlers(this);
- }
-
- @Override
- public void onStateChanged(StateChangeEvent stateChangeEvent) {
- super.onStateChanged(stateChangeEvent);
-
- getWidget().setAriaInvalid(getState().errorMessage != null);
-
- getWidget().setAriaRequired(isRequiredIndicatorVisible());
- if (isReadOnly()) {
- getWidget().setEnabled(false);
- }
-
- if (getWidget().icon != null) {
- getWidget().getElement().removeChild(getWidget().icon.getElement());
- getWidget().icon = null;
- }
- Icon icon = getIcon();
- if (icon != null) {
- getWidget().icon = icon;
- DOM.insertChild(getWidget().getElement(), icon.getElement(), 1);
- icon.sinkEvents(VTooltip.TOOLTIP_EVENTS);
- icon.sinkEvents(Event.ONCLICK);
- }
-
- // Set text
- VCaption.setCaptionText(getWidget(), getState());
-
- getWidget().setValue(getState().checked);
- }
-
- @Override
- public CheckBoxState getState() {
- return (CheckBoxState) super.getState();
- }
-
- @Override
- public VCheckBox getWidget() {
- return (VCheckBox) super.getWidget();
- }
-
- @Override
- public void onClick(ClickEvent event) {
- if (!isEnabled()) {
- return;
- }
-
- // We get click events also from the label text, which do not alter the
- // actual value. The server-side is only interested in real changes to
- // the state.
- if (getState().checked != getWidget().getValue()) {
- getState().checked = getWidget().getValue();
-
- // Add mouse details
- MouseEventDetails details = MouseEventDetailsBuilder
- .buildMouseEventDetails(event.getNativeEvent(),
- getWidget().getElement());
- getRpcProxy(CheckBoxServerRpc.class).setChecked(getState().checked,
- details);
- getConnection().sendPendingVariableChanges();
- }
- }
-
- private boolean contextEventSunk = false;
-
- @OnStateChange("registeredEventListeners")
- void sinkContextClickEvent() {
- if (!contextEventSunk && hasEventListener(EventId.CONTEXT_CLICK)) {
- // CheckBox.sinkEvents works differently than all other widgets:
- // "Unlike other widgets the CheckBox sinks on its inputElement, not
- // its wrapper"
- DOM.sinkEvents(getWidget().getElement(), Event.ONCONTEXTMENU);
- contextEventSunk = true;
- }
- }
- }
|