| /* |
| * Copyright 2009 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.uibinder.test.client; |
| |
| import com.google.gwt.core.client.GWT; |
| import com.google.gwt.event.dom.client.ClickEvent; |
| import com.google.gwt.event.dom.client.MouseOutEvent; |
| import com.google.gwt.event.dom.client.MouseOverEvent; |
| import com.google.gwt.event.logical.shared.CloseEvent; |
| import com.google.gwt.event.logical.shared.OpenEvent; |
| import com.google.gwt.event.logical.shared.ValueChangeEvent; |
| import com.google.gwt.event.shared.GwtEvent; |
| import com.google.gwt.uibinder.client.UiBinder; |
| import com.google.gwt.uibinder.client.UiField; |
| import com.google.gwt.uibinder.client.UiHandler; |
| import com.google.gwt.uibinder.client.UiTemplate; |
| import com.google.gwt.user.client.Window; |
| import com.google.gwt.user.client.ui.Composite; |
| import com.google.gwt.user.client.ui.FormPanel; |
| import com.google.gwt.user.client.ui.FormPanel.SubmitEvent; |
| import com.google.gwt.user.client.ui.TextBox; |
| import com.google.gwt.user.client.ui.TreeItem; |
| import com.google.gwt.user.client.ui.Widget; |
| |
| /** |
| * A simple demo showing how UiHandler works. |
| */ |
| public class HandlerDemo extends Composite { |
| |
| @UiTemplate("HandlerDemo.ui.xml") |
| interface MyUiBinder extends UiBinder<Widget, HandlerDemo> { |
| } |
| private static final MyUiBinder binder = GWT.create(MyUiBinder.class); |
| |
| @UiField FormPanel panelForm; |
| @UiField TextBox textBoxValueChange; |
| @UiField(provided = true) final CustomEventWidget<String> customEventWidget; |
| |
| public HandlerDemo() { |
| this.customEventWidget = new CustomEventWidget<String>("a simple test"); |
| initWidget(binder.createAndBindUi(this)); |
| } |
| |
| @UiHandler("panelForm") |
| public void doSubmit(SubmitEvent event) { |
| eventMessage(event); |
| event.cancel(); |
| } |
| |
| @UiHandler("textBoxValueChange") |
| protected void doChangeValue(ValueChangeEvent<String> event) { |
| eventMessage(event); |
| } |
| |
| @UiHandler({"buttonClick", "labelClick"}) |
| void doClick(ClickEvent event) { |
| eventMessage(event); |
| } |
| |
| @UiHandler("buttonSubmit") |
| void doClickSubmit(@SuppressWarnings("unused") ClickEvent ignored) { |
| panelForm.submit(); |
| } |
| |
| @UiHandler("buttonMouseOut") |
| void doMouseOut(MouseOutEvent event) { |
| eventMessage(event); |
| } |
| |
| @UiHandler("buttonMouseOver") |
| void doMouseOver(MouseOverEvent event) { |
| eventMessage(event); |
| } |
| |
| @UiHandler("tree") |
| void onTreeClose(CloseEvent<TreeItem> event) { |
| eventMessage(event); |
| } |
| |
| @UiHandler("tree") |
| void onTreeOpen(OpenEvent<TreeItem> event) { |
| eventMessage(event); |
| } |
| |
| @UiHandler("customEventWidget") |
| void onCustomEvent(CustomEvent<String> event) { |
| eventMessage("CustomEventWidget clicked. Event throwing '" |
| + event.getValue() + "'"); |
| } |
| |
| private void eventMessage(GwtEvent<?> event) { |
| eventMessage(event.toDebugString()); |
| } |
| |
| private void eventMessage(String message) { |
| Window.alert(message); |
| } |
| } |