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- /*
- * 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.button;
-
- 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.vaadin.client.MouseEventDetailsBuilder;
- import com.vaadin.client.StyleConstants;
- import com.vaadin.client.VCaption;
- import com.vaadin.client.WidgetUtil.ErrorUtil;
- import com.vaadin.client.annotations.OnStateChange;
- import com.vaadin.client.ui.AbstractComponentConnector;
- import com.vaadin.client.ui.ConnectorFocusAndBlurHandler;
- import com.vaadin.client.ui.Icon;
- import com.vaadin.client.ui.VButton;
- import com.vaadin.shared.MouseEventDetails;
- import com.vaadin.shared.ui.Connect;
- import com.vaadin.shared.ui.Connect.LoadStyle;
- import com.vaadin.shared.ui.button.ButtonServerRpc;
- import com.vaadin.shared.ui.button.ButtonState;
- import com.vaadin.ui.Button;
-
- @Connect(value = Button.class, loadStyle = LoadStyle.EAGER)
- public class ButtonConnector extends AbstractComponentConnector
- implements ClickHandler {
-
- @Override
- public boolean delegateCaptionHandling() {
- return false;
- }
-
- @Override
- public void init() {
- super.init();
- getWidget().addClickHandler(this);
- getWidget().client = getConnection();
- ConnectorFocusAndBlurHandler.addHandlers(this);
- }
-
- @OnStateChange("resources")
- void onResourceChange() {
- if (getWidget().icon != null) {
- getWidget().wrapper.removeChild(getWidget().icon.getElement());
- getWidget().icon = null;
- }
- Icon icon = getIcon();
- if (icon != null) {
- getWidget().icon = icon;
- icon.setAlternateText(getState().iconAltText);
- getWidget().wrapper.insertBefore(icon.getElement(),
- getWidget().captionElement);
- }
- }
-
- @OnStateChange({ "caption", "captionAsHtml" })
- void setCaption() {
- VCaption.setCaptionText(getWidget().captionElement, getState());
- }
-
- @OnStateChange("iconAltText")
- void setIconAltText() {
- if (getWidget().icon != null) {
- getWidget().icon.setAlternateText(getState().iconAltText);
- }
- }
-
- @OnStateChange("clickShortcutKeyCode")
- void setClickShortcut() {
- getWidget().clickShortcut = getState().clickShortcutKeyCode;
- }
-
- @Override
- public VButton getWidget() {
- return (VButton) super.getWidget();
- }
-
- @Override
- public ButtonState getState() {
- return (ButtonState) super.getState();
- }
-
- @Override
- public void onClick(ClickEvent event) {
- if (getState().disableOnClick) {
- // Simulate getting disabled from the server without waiting for the
- // round trip. The server-side RPC handler takes care of updating
- // the server-side state in a similar way to ensure subsequent
- // changes are properly propagated. Changing state on client is not
- // generally supported.
- getState().enabled = false;
- super.updateEnabledState(false);
- getRpcProxy(ButtonServerRpc.class).disableOnClick();
- }
-
- // Add mouse details
- MouseEventDetails details = MouseEventDetailsBuilder
- .buildMouseEventDetails(event.getNativeEvent(),
- getWidget().getElement());
- getRpcProxy(ButtonServerRpc.class).click(details);
-
- }
-
- }
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