| /* |
| * 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.cellview; |
| |
| import com.google.gwt.cell.client.DateCell; |
| import com.google.gwt.core.client.EntryPoint; |
| import com.google.gwt.user.cellview.client.CellTable; |
| import com.google.gwt.user.cellview.client.Column; |
| import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy; |
| import com.google.gwt.user.cellview.client.TextColumn; |
| import com.google.gwt.user.client.Window; |
| import com.google.gwt.user.client.ui.RootPanel; |
| import com.google.gwt.view.client.SelectionChangeEvent; |
| import com.google.gwt.view.client.SingleSelectionModel; |
| |
| import java.util.Arrays; |
| import java.util.Date; |
| import java.util.List; |
| |
| /** |
| * Example of {@link CellTable}. This example shows a table containing contact |
| * information. |
| */ |
| public class CellTableExample implements EntryPoint { |
| |
| /** |
| * A simple data type that represents a contact. |
| */ |
| private static class Contact { |
| private final String address; |
| private final Date birthday; |
| private final String name; |
| |
| public Contact(String name, Date birthday, String address) { |
| this.name = name; |
| this.birthday = birthday; |
| this.address = address; |
| } |
| } |
| |
| /** |
| * The list of data to display. |
| */ |
| private static final List<Contact> CONTACTS = Arrays.asList( |
| new Contact("John", new Date(80, 4, 12), "123 Fourth Avenue"), |
| new Contact("Joe", new Date(85, 2, 22), "22 Lance Ln"), |
| new Contact("George", new Date(46, 6, 6), "1600 Pennsylvania Avenue")); |
| |
| public void onModuleLoad() { |
| // Create a CellTable. |
| CellTable<Contact> table = new CellTable<Contact>(); |
| table.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED); |
| |
| // Add a text column to show the name. |
| TextColumn<Contact> nameColumn = new TextColumn<Contact>() { |
| @Override |
| public String getValue(Contact object) { |
| return object.name; |
| } |
| }; |
| table.addColumn(nameColumn, "Name"); |
| |
| // Add a date column to show the birthday. |
| DateCell dateCell = new DateCell(); |
| Column<Contact, Date> dateColumn = new Column<Contact, Date>(dateCell) { |
| @Override |
| public Date getValue(Contact object) { |
| return object.birthday; |
| } |
| }; |
| table.addColumn(dateColumn, "Birthday"); |
| |
| // Add a text column to show the address. |
| TextColumn<Contact> addressColumn = new TextColumn<Contact>() { |
| @Override |
| public String getValue(Contact object) { |
| return object.address; |
| } |
| }; |
| table.addColumn(addressColumn, "Address"); |
| |
| // Add a selection model to handle user selection. |
| final SingleSelectionModel<Contact> selectionModel = new SingleSelectionModel<Contact>(); |
| table.setSelectionModel(selectionModel); |
| selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() { |
| public void onSelectionChange(SelectionChangeEvent event) { |
| Contact selected = selectionModel.getSelectedObject(); |
| if (selected != null) { |
| Window.alert("You selected: " + selected.name); |
| } |
| } |
| }); |
| |
| // Set the total row count. This isn't strictly necessary, but it affects |
| // paging calculations, so its good habit to keep the row count up to date. |
| table.setRowCount(CONTACTS.size(), true); |
| |
| // Push the data into the widget. |
| table.setRowData(0, CONTACTS); |
| |
| // Add it to the root panel. |
| RootPanel.get().add(table); |
| } |
| } |