/*
* 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.TextInputCell;
import com.google.gwt.cell.client.ValueUpdater;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.cellview.client.CellList;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.RootPanel;
import java.util.Arrays;
import java.util.List;
/**
* Example of using a {@link ValueUpdater} with a {@link CellList}.
*/
public class CellListValueUpdaterExample 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 that will interact with a value updater.
TextInputCell inputCell = new TextInputCell();
// Create a CellList that uses the cell.
CellList<String> cellList = new CellList<String>(inputCell);
// Create a value updater that will be called when the value in a cell
// changes.
ValueUpdater<String> valueUpdater = new ValueUpdater<String>() {
public void update(String newValue) {
Window.alert("You typed: " + newValue);
}
};
// Add the value updater to the cellList.
cellList.setValueUpdater(valueUpdater);
// 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);
}
}