/*
* Copyright 2010 JBoss 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 org.drools.guvnor.client.table;
import com.google.gwt.cell.client.CheckboxCell;
import com.google.gwt.cell.client.FieldUpdater;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.google.gwt.user.cellview.client.CellTable;
import com.google.gwt.user.cellview.client.Column;
/**
* @author Geoffrey De Smet
*/
public class SelectionColumn<T> extends Column<T, Boolean> {
public static <T> void createAndAddSelectionColumn(CellTable<T> cellTable) {
SelectionColumn<T> selectionColumn = new SelectionColumn<T>(cellTable);
cellTable.addColumn(selectionColumn, SafeHtmlUtils.fromSafeConstant("<br>"));
}
private final CellTable<T> cellTable;
public SelectionColumn(CellTable<T> cellTable) {
super(new CheckboxCell(true));
this.cellTable = cellTable;
addUpdater();
}
private void addUpdater() {
setFieldUpdater(new FieldUpdater<T, Boolean>() {
public void update(int index, T object, Boolean value) {
cellTable.getSelectionModel().setSelected(object, value);
}
});
}
public Boolean getValue(T object) {
return cellTable.getSelectionModel().isSelected(object);
}
}