f@0: /*  
f@0:  CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
f@0:   
f@0:  Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
f@0: 
f@0:  This program is free software: you can redistribute it and/or modify
f@0:  it under the terms of the GNU General Public License as published by
f@0:  the Free Software Foundation, either version 3 of the License, or
f@0:  (at your option) any later version.
f@0: 
f@0:  This program is distributed in the hope that it will be useful,
f@0:  but WITHOUT ANY WARRANTY; without even the implied warranty of
f@0:  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
f@0:  GNU General Public License for more details.
f@0: 
f@0:  You should have received a copy of the GNU General Public License
f@0:  along with this program.  If not, see <http://www.gnu.org/licenses/>.
f@0: */
f@0: package uk.ac.qmul.eecs.ccmi.gui;
f@0: 
f@0: import uk.ac.qmul.eecs.ccmi.diagrammodel.CollectionEvent;
f@0: import uk.ac.qmul.eecs.ccmi.diagrammodel.CollectionListener;
f@0: import uk.ac.qmul.eecs.ccmi.diagrammodel.ElementChangedEvent;
f@0: import uk.ac.qmul.eecs.ccmi.haptics.HapticsFactory;
f@0: 
f@0: /**
f@0:  * A CollectionListener that updates the haptic scene upon insertion deletion and 
f@0:  * movement of nodes and edges in the diagram.
f@0:  * 
f@0:  *
f@0:  */
f@0: public class HapticTrigger implements CollectionListener {
f@0: 
f@0: 	@Override
f@0: 	public void elementInserted(CollectionEvent evt) {
f@0: 		DiagramEventSource source = (DiagramEventSource)evt.getSource(); 
f@0: 		if(evt.getDiagramElement() instanceof Node){
f@0: 			Node n = (Node)evt.getDiagramElement();
f@0: 			HapticsFactory.getInstance().addNode(n.getBounds().getCenterX(), n.getBounds().getCenterY(), System.identityHashCode(n),source.getDiagramName());
f@0: 		}else{//edge
f@0: 			Edge e = (Edge)evt.getDiagramElement();
f@0: 			Edge.PointRepresentation pr = e.getPointRepresentation();
f@0: 			HapticsFactory.getInstance().addEdge(System.identityHashCode(e),pr.xs,pr.ys,pr.adjMatrix,pr.nodeStart,e.getStipplePattern(),e.getNameLine(),source.getDiagramName());
f@0: 		}
f@0: 	}
f@0: 
f@0: 	@Override
f@0: 	public void elementTakenOut(CollectionEvent evt) {
f@0: 		DiagramEventSource source = (DiagramEventSource)evt.getSource(); 
f@0: 		if(evt.getDiagramElement() instanceof Node){
f@0: 			Node n = (Node)evt.getDiagramElement();
f@0: 			HapticsFactory.getInstance().removeNode(System.identityHashCode(n),source.getDiagramName());
f@0: 		}else{//edge
f@0: 			Edge e = (Edge)evt.getDiagramElement();
f@0: 			HapticsFactory.getInstance().removeEdge(System.identityHashCode(e),source.getDiagramName());
f@0: 		}
f@0: 	}
f@0: 
f@0: 	@Override
f@0: 	public void elementChanged(ElementChangedEvent evt) {
f@0: 		DiagramEventSource source = (DiagramEventSource)evt.getSource(); 
f@0: 		if("stop_move".equals(evt.getChangeType()) || "remove_node".equals(evt.getChangeType())){
f@0: 			if(evt.getDiagramElement() instanceof Edge){
f@0: 				Edge e = (Edge)evt.getDiagramElement();
f@0: 				Edge.PointRepresentation pr = e.getPointRepresentation();
f@0: 				HapticsFactory.getInstance().updateEdge(
f@0: 						System.identityHashCode(e), 
f@0: 						pr.xs, 
f@0: 						pr.ys,
f@0: 						pr.adjMatrix,
f@0: 						pr.nodeStart, 
f@0: 						e.getNameLine(),
f@0: 						source.getDiagramName());
f@0: 			}else{
f@0: 				Node n = (Node)evt.getDiagramElement();		
f@0: 				HapticsFactory.getInstance().moveNode(
f@0: 						n.getBounds().getCenterX(),
f@0: 						n.getBounds().getCenterY(),
f@0: 						System.identityHashCode(n),
f@0: 						source.getDiagramName()
f@0: 				);
f@0: 			}
f@0: 		}
f@0: 	}
f@0: 	   
f@0: }