/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org
This file is part of Gephi.
Gephi is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
Gephi 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Gephi. If not, see <http://www.gnu.org/licenses/>.
*/
package org.gephi.desktop.filters.query;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DnDConstants;
import java.io.IOException;
import java.util.Arrays;
import javax.swing.Action;
import org.gephi.desktop.filters.library.FilterBuilderNode;
import org.gephi.filters.api.FilterController;
import org.gephi.filters.api.Query;
import org.gephi.filters.spi.FilterBuilder;
import org.openide.nodes.AbstractNode;
import org.openide.nodes.Children;
import org.openide.nodes.Node;
import org.openide.nodes.NodeTransfer;
import org.openide.util.Exceptions;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;
import org.openide.util.datatransfer.PasteType;
/**
*
* @author Mathieu Bastian
*/
public class SlotNode extends AbstractNode {
private Query parent;
public SlotNode(Query parent) {
super(Children.LEAF);
this.parent = parent;
setIconBaseWithExtension("org/gephi/desktop/filters/query/resources/drop.png");
setShortDescription(NbBundle.getMessage(SlotNode.class, "SlotNode.description"));
}
@Override
public String getHtmlDisplayName() {
return NbBundle.getMessage(SlotNode.class, "SlotNode.name");
}
@Override
public Action[] getActions(boolean context) {
return new Action[0];
}
@Override
public PasteType getDropType(final Transferable t, int action, int index) {
final Node dropNode = NodeTransfer.node(t, DnDConstants.ACTION_COPY_OR_MOVE);
if (dropNode != null && dropNode instanceof QueryNode) {
Query q = ((QueryNode) dropNode).getQuery();
if (!Arrays.asList(q.getDescendantsAndSelf()).contains(parent)) { //Check if not parent
return new PasteType() {
@Override
public Transferable paste() throws IOException {
QueryNode queryNode = (QueryNode) dropNode;
FilterController filterController = Lookup.getDefault().lookup(FilterController.class);
filterController.setSubQuery(parent, queryNode.getQuery());
return null;
}
};
}
} else if (t.isDataFlavorSupported(FilterBuilderNode.DATA_FLAVOR)) {
return new PasteType() {
@Override
public Transferable paste() throws IOException {
try {
FilterBuilder builder = (FilterBuilder) t.getTransferData(FilterBuilderNode.DATA_FLAVOR);
FilterController filterController = Lookup.getDefault().lookup(FilterController.class);
Query query = filterController.createQuery(builder.getFilter());
filterController.setSubQuery(parent, query);
} catch (UnsupportedFlavorException ex) {
Exceptions.printStackTrace(ex);
}
return null;
}
};
}
return null;
}
}