/*
* RHQ Management Platform
* Copyright (C) 2005-2010 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.coregui.client.inventory.resource.selection;
import com.smartgwt.client.types.SelectionStyle;
import org.rhq.core.domain.resource.group.GroupCategory;
import org.rhq.core.domain.resource.group.ResourceGroup;
/**
* This forces the user to only be able to select a single resource group.
*
* @author Jay Shaughnessy
*/
public class SingleResourceGroupSelector extends ResourceGroupSelector {
public SingleResourceGroupSelector(GroupCategory categoryFilter, boolean isReadOnly) {
super(categoryFilter, isReadOnly);
}
@Override
protected void onInit() {
super.onInit();
// we only allow a single resource to be selected
availableGrid.setSelectionType(SelectionStyle.SINGLE);
}
@Override
protected void updateButtonEnablement() {
addButton.setDisabled(!availableGrid.anySelected() || availableGrid.getTotalRows() == 0
|| assignedGrid.getTotalRows() > 0);
removeButton.setDisabled(!assignedGrid.anySelected());
addAllButton.hide();
removeAllButton.hide();
}
@Override
public void addSelectedRows() {
// do not allow more than one row into the assigned grid
if (assignedGrid.getTotalRows() == 0) {
super.addSelectedRows();
}
}
public ResourceGroup getSelectedGroup() {
if (assignedGrid.getTotalRows() != 0) {
return getDataSource().copyValues(assignedGrid.getRecord(0));
}
return null;
}
}