/*
Copyright 2008-2010 Gephi
Authors : Eduardo Ramos <eduramiba@gmail.com>
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.datalab.plugin.manipulators.general;
import javax.swing.Icon;
import org.gephi.datalab.api.GraphElementsController;
import org.gephi.datalab.plugin.manipulators.general.ui.AddEdgeToGraphUI;
import org.gephi.datalab.spi.ManipulatorUI;
import org.gephi.datalab.spi.general.GeneralActionsManipulator;
import org.gephi.graph.api.GraphController;
import org.gephi.graph.api.GraphModel;
import org.gephi.graph.api.Node;
import org.openide.util.ImageUtilities;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;
import org.openide.util.lookup.ServiceProvider;
/**
* GeneralActionsManipulator that adds a new edge to the graph, asking for source and target nodes and type of edge in UI.
* @author Eduardo Ramos <eduramiba@gmail.com>
*/
@ServiceProvider(service = GeneralActionsManipulator.class)
public class AddEdgeToGraph implements GeneralActionsManipulator {
private Node source=null, target=null;
private boolean directed;
private GraphModel graphModel=null;
public void execute() {
if (source != null && target != null) {
Lookup.getDefault().lookup(GraphElementsController.class).createEdge(source, target, directed);
}
}
public String getName() {
return NbBundle.getMessage(AddNodeToGraph.class, "AddEdgeToGraph.name");
}
public String getDescription() {
return "";
}
public boolean canExecute() {
return Lookup.getDefault().lookup(GraphElementsController.class).getNodesCount()>1;//At least 2 nodes to link them
}
public ManipulatorUI getUI() {
GraphModel currentGraphModel=Lookup.getDefault().lookup(GraphController.class).getModel();
if(graphModel!=currentGraphModel){//If graph model has changed since last execution, change default mode for edges to create in UI, else keep this parameter across calls
directed=currentGraphModel.isDirected()||currentGraphModel.isMixed();//Get graph directed state. Set to true if graph is directed or mixed
graphModel=currentGraphModel;
}
return new AddEdgeToGraphUI();
}
public int getType() {
return 0;
}
public int getPosition() {
return 200;
}
public Icon getIcon() {
return ImageUtilities.loadImageIcon("org/gephi/datalab/plugin/manipulators/resources/plus-white.png", true);
}
public boolean isDirected() {
return directed;
}
public void setDirected(boolean directed) {
this.directed = directed;
}
public Node getSource() {
return source;
}
public void setSource(Node source) {
this.source = source;
}
public Node getTarget() {
return target;
}
public void setTarget(Node target) {
this.target = target;
}
}