/*
* 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.TextCell;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.cellview.client.CellList;
import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
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.List;
/**
* Example of {@link CellList}. This example shows a list of the days of the
* week.
*/
public class CellListExample implements EntryPoint {
/**
* The list of data to display.
*/
private static final List<String> DAYS = Arrays.asList("Sunday", "Monday",
"Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");
public void onModuleLoad() {
// Create a cell to render each value.
TextCell textCell = new TextCell();
// Create a CellList that uses the cell.
CellList<String> cellList = new CellList<String>(textCell);
cellList.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
// Add a selection model to handle user selection.
final SingleSelectionModel<String> selectionModel = new SingleSelectionModel<String>();
cellList.setSelectionModel(selectionModel);
selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
public void onSelectionChange(SelectionChangeEvent event) {
String selected = selectionModel.getSelectedObject();
if (selected != null) {
Window.alert("You selected: " + selected);
}
}
});
// 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.
cellList.setRowCount(DAYS.size(), true);
// Push the data into the widget.
cellList.setRowData(0, DAYS);
// Add it to the root panel.
RootPanel.get().add(cellList);
}
}