| /* |
| * Copyright 2010 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.examples.view; |
| |
| import com.google.gwt.cell.client.TextCell; |
| import com.google.gwt.core.client.EntryPoint; |
| import com.google.gwt.event.dom.client.ClickEvent; |
| import com.google.gwt.event.dom.client.ClickHandler; |
| import com.google.gwt.user.cellview.client.CellList; |
| import com.google.gwt.user.client.ui.Button; |
| import com.google.gwt.user.client.ui.RootPanel; |
| import com.google.gwt.user.client.ui.TextBox; |
| import com.google.gwt.user.client.ui.VerticalPanel; |
| import com.google.gwt.view.client.ListDataProvider; |
| |
| import java.util.List; |
| |
| /** |
| * Example of {@link ListDataProvider}. |
| */ |
| public class ListDataProviderExample implements EntryPoint { |
| |
| public void onModuleLoad() { |
| // Create a CellList. |
| CellList<String> cellList = new CellList<String>(new TextCell()); |
| |
| // Create a list data provider. |
| final ListDataProvider<String> dataProvider = new ListDataProvider<String>(); |
| |
| // Add the cellList to the dataProvider. |
| dataProvider.addDataDisplay(cellList); |
| |
| // Create a form to add values to the data provider. |
| final TextBox valueBox = new TextBox(); |
| valueBox.setText("Enter new value"); |
| Button addButton = new Button("Add value", new ClickHandler() { |
| public void onClick(ClickEvent event) { |
| // Get the value from the text box. |
| String newValue = valueBox.getText(); |
| |
| // Get the underlying list from data dataProvider. |
| List<String> list = dataProvider.getList(); |
| |
| // Add the value to the list. The dataProvider will update the cellList. |
| list.add(newValue); |
| } |
| }); |
| |
| // Add the widgets to the root panel. |
| VerticalPanel vPanel = new VerticalPanel(); |
| vPanel.add(valueBox); |
| vPanel.add(addButton); |
| vPanel.add(cellList); |
| RootPanel.get().add(vPanel); |
| } |
| } |