/**
*
* geo-platform
* Rich webgis framework
* http://geo-platform.org
* ====================================================================
*
* Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
*
* 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, either version 3 of the License, or
* (at your option) any later version. 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, see http://www.gnu.org/licenses/
*
* ====================================================================
*
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole combination.
*
* As a special exception, the copyright holders of this library give you permission
* to link this library with independent modules to produce an executable, regardless
* of the license terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided that you also meet,
* for each linked independent module, the terms and conditions of the license of
* that module. An independent module is a module which is not derived from or
* based on this library. If you modify this library, you may extend this exception
* to your version of the library, but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version.
*/
package org.geosdi.geoplatform.gui.client.widget.tree.menu.strategy.chain;
import com.extjs.gxt.ui.client.widget.menu.Menu;
import java.util.List;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.geosdi.geoplatform.gui.client.config.annotation.SingleSelection;
import org.geosdi.geoplatform.gui.client.widget.tree.menu.store.keybuilder.SelectionCompositeKeyBuilder;
import org.geosdi.geoplatform.gui.client.widget.tree.menu.strategy.SingleSelectionMenuStrategy;
import org.geosdi.geoplatform.gui.configuration.composite.menu.store.StoreCompositeKey;
import org.geosdi.geoplatform.gui.impl.tree.menu.strategy.TreeMenuStrategyManager;
import org.geosdi.geoplatform.gui.model.tree.GPBeanTreeModel;
/**
*
* @author Giuseppe La Scaleia - CNR IMAA geoSDI Group
* @email giuseppe.lascaleia@geosdi.org
*/
@Singleton
public class SingleSelectionHandler extends SelectionChainHandler {
@Inject
private SingleSelectionMenuStrategy singleSelectionStrategy;
private final SelectionCompositeKeyBuilder compositeKeyBuilder;
@Inject
public SingleSelectionHandler(MultiSelectionHandler theSuccessor,
@SingleSelection SelectionCompositeKeyBuilder theCompositeKeyBuilder) {
super.setSuccessor(theSuccessor);
this.compositeKeyBuilder = theCompositeKeyBuilder;
}
@Override
public Menu buildMenu(TreeMenuStrategyManager strategyManager,
List<GPBeanTreeModel> selections) {
return (selections.size() == 1) ? bindStrategy(strategyManager,
selections)
: super.forwardBuildMenu(strategyManager, selections);
}
@Override
protected Menu bindStrategy(TreeMenuStrategyManager strategyManager,
List<GPBeanTreeModel> selections) {
strategyManager.setMenuStrategy(singleSelectionStrategy);
return strategyManager.getMenu(super.bindSelection(selections));
}
@Override
protected StoreCompositeKey buildStoreCompositeKey(
List<GPBeanTreeModel> selections) {
return this.compositeKeyBuilder.buildStoreCompositeKey(selections);
}
}