fiore@0: /*  
fiore@0:  CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
fiore@0:   
fiore@0:  Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
fiore@0: 
fiore@0:  This program is free software: you can redistribute it and/or modify
fiore@0:  it under the terms of the GNU General Public License as published by
fiore@0:  the Free Software Foundation, either version 3 of the License, or
fiore@0:  (at your option) any later version.
fiore@0: 
fiore@0:  This program is distributed in the hope that it will be useful,
fiore@0:  but WITHOUT ANY WARRANTY; without even the implied warranty of
fiore@0:  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
fiore@0:  GNU General Public License for more details.
fiore@0: 
fiore@0:  You should have received a copy of the GNU General Public License
fiore@0:  along with this program.  If not, see <http://www.gnu.org/licenses/>.
fiore@0: */
fiore@0: package uk.ac.qmul.eecs.ccmi.gui;
fiore@0: 
fiore@0: import java.awt.geom.Point2D;
fiore@0: import java.awt.geom.Rectangle2D;
fiore@0: 
fiore@0: import javax.swing.SwingUtilities;
fiore@0: 
fiore@0: import uk.ac.qmul.eecs.ccmi.diagrammodel.CollectionModel;
fiore@0: import uk.ac.qmul.eecs.ccmi.diagrammodel.DiagramElement;
fiore@0: import uk.ac.qmul.eecs.ccmi.haptics.HapticListener;
fiore@0: import uk.ac.qmul.eecs.ccmi.haptics.HapticListenerCommand;
fiore@0: import uk.ac.qmul.eecs.ccmi.sound.SoundFactory;
fiore@0: import uk.ac.qmul.eecs.ccmi.sound.SoundEvent;
fiore@0: import uk.ac.qmul.eecs.ccmi.speech.NarratorFactory;
fiore@0: import uk.ac.qmul.eecs.ccmi.utils.InteractionLog;
fiore@0: 
fiore@0: /**
fiore@0:  * 
fiore@0:  * An instance of HapticListener for the diagram editor. By this class visual diagrams 
fiore@0:  * can be manipulated by an haptic device.  
fiore@0:  *
fiore@0:  */
fiore@0: public class HapticKindle extends HapticListener {
fiore@0: 	
fiore@0: 	public HapticKindle(){
fiore@0: 		super();
fiore@0: 		unselectRunnable = new Runnable(){
fiore@0: 			@Override
fiore@0: 			public void run(){
fiore@0: 				frame.selectHapticHighligh(null);
fiore@0: 			}
fiore@0: 		};
fiore@0: 		frameBackupRunnable = new Runnable(){
fiore@0: 			@Override
fiore@0: 			public void run(){
fiore@0: 				frame.backupOpenDiagrams();
fiore@0: 			}
fiore@0: 		};
fiore@0: 	}
fiore@0: 
fiore@0: 	public void setEditorFrame(EditorFrame frame){
fiore@0: 		this.frame = frame;
fiore@0: 	}
fiore@0: 	
fiore@0: 	@Override
fiore@0: 	public void executeCommand(HapticListenerCommand cmd, int ID, final double x, final double y, final double startX, final double startY) {
fiore@0: 		if((frame == null)||(frame.getActiveTab() == null))
fiore@0: 			return;
fiore@0: 		CollectionModel<Node,Edge> collectionModel = frame.getActiveTab().getDiagram().getCollectionModel();
fiore@0: 		Object monitor = collectionModel.getMonitor();
fiore@0: 		DiagramElement de = null;
fiore@0: 		switch(cmd){
fiore@0: 		case PLAY_ELEMENT_SOUND :
fiore@0: 			synchronized(monitor){
fiore@0: 				de = Finder.findElementByHashcode(ID, collectionModel.getElements());
fiore@0: 			}
fiore@0: 			/* can be null if the tab has been switched or closed in the meantime */
fiore@0: 			if(de == null)
fiore@0: 				return;
fiore@0: 			SoundFactory.getInstance().play(de.getSound());
fiore@0: 			break;
fiore@0: 		case PLAY_ELEMENT_SPEECH : 
fiore@0: 			synchronized(monitor){
fiore@0: 				de = Finder.findElementByHashcode(ID, collectionModel.getElements());
fiore@0: 			}
fiore@0: 			if(de == null)
fiore@0: 				return;
fiore@0: 			SoundFactory.getInstance().play(de.getSound());
fiore@0: 			NarratorFactory.getInstance().speak(de.getName());
fiore@0: 			iLog("touch",((de instanceof Node) ? "node " : "edge ")+de.getName());
fiore@0: 			break;
fiore@0: 		case SELECT :
fiore@0: 			synchronized(monitor){
fiore@0: 				de = Finder.findElementByHashcode(ID, collectionModel.getElements());
fiore@0: 			}
fiore@0: 			if(de == null)
fiore@0: 				return;
fiore@0: 			final DiagramElement selectedElement = de; 
fiore@0: 			SwingUtilities.invokeLater(new Runnable(){
fiore@0: 				@Override
fiore@0: 				public void run(){
fiore@0: 					frame.selectHapticHighligh(selectedElement);
fiore@0: 				}
fiore@0: 			});
fiore@0: 			break;
fiore@0: 		case UNSELECT :
fiore@0: 			SwingUtilities.invokeLater(unselectRunnable);
fiore@0: 			break;
fiore@0: 		case MOVE :
fiore@0: 			DiagramPanel dPanel = frame.getActiveTab();
fiore@0: 			if(dPanel == null)
fiore@0: 				return;
fiore@0: 			synchronized(monitor){
fiore@0: 				de = Finder.findElementByHashcode(ID, collectionModel.getElements());
fiore@0: 			}
fiore@0: 			if(de == null)
fiore@0: 				return;
fiore@0: 			final DiagramElement moveSelectedElement = de;
fiore@0: 			final DiagramModelUpdater modelUpdater = dPanel.getDiagram().getModelUpdater();
fiore@0: 			if(!modelUpdater.getLock(moveSelectedElement, Lock.MOVE)){
fiore@0: 				iLog("Could not get lock on element for motion", DiagramElement.toLogString(moveSelectedElement));
fiore@0: 				NarratorFactory.getInstance().speak("Object is being moved by another user");
fiore@0: 				return;
fiore@0: 			}
fiore@0: 			
fiore@0: 			try {
fiore@0: 				SwingUtilities.invokeAndWait(new Runnable(){
fiore@0: 					@Override
fiore@0: 					public void run(){
fiore@0: 						if(moveSelectedElement instanceof Node){
fiore@0: 							Node n = (Node)moveSelectedElement;
fiore@0: 							Rectangle2D bounds = n.getBounds();
fiore@0: 							Point2D.Double p = new Point2D.Double(bounds.getCenterX(),bounds.getCenterY());
fiore@0: 							double dx = x - p.getX();
fiore@0: 							double dy = y - p.getY();
fiore@0: 							modelUpdater.translate(n, p, dx, dy);
fiore@0: 							modelUpdater.stopMove(n);
fiore@0: 
fiore@0: 							StringBuilder builder = new StringBuilder();
fiore@0: 							builder.append(DiagramElement.toLogString(n)).append(" ").append(p.getX())
fiore@0: 							.append(' ').append(p.getY());
fiore@0: 							iLog("move node start",builder.toString());
fiore@0: 							builder = new StringBuilder();
fiore@0: 							builder.append(DiagramElement.toLogString(n)).append(' ')
fiore@0: 							.append(x).append(' ').append(y);
fiore@0: 
fiore@0: 							iLog("move node end",builder.toString());
fiore@0: 							
fiore@0: 						}else{
fiore@0: 							Edge e = (Edge)moveSelectedElement;
fiore@0: 							modelUpdater.startMove(e, new Point2D.Double(startX,startY));
fiore@0: 							Point2D p  = new Point2D.Double(x,y);
fiore@0: 							modelUpdater.bend(e, p);
fiore@0: 							modelUpdater.stopMove(e);
fiore@0: 
fiore@0: 							StringBuilder builder = new StringBuilder();
fiore@0: 							builder.append(DiagramElement.toLogString(e)).append(' ').append(startX)
fiore@0: 							.append(' ').append(startY);
fiore@0: 							iLog("bend edge start",builder.toString());
fiore@0: 							builder = new StringBuilder();
fiore@0: 							builder.append(DiagramElement.toLogString(e)).append(' ')
fiore@0: 							.append(x).append(' ').append(y);
fiore@0: 							iLog("bend edge end",builder.toString());
fiore@0: 							
fiore@0: 						}
fiore@0: 					}
fiore@0: 				});
fiore@0: 			} catch (Exception e) {
fiore@0: 				throw new RuntimeException(e);
fiore@0: 			}
fiore@0: 			SoundFactory.getInstance().play(SoundEvent.HOOK_OFF);
fiore@0: 			modelUpdater.yieldLock(moveSelectedElement, Lock.MOVE);
fiore@0: 			break;
fiore@0: 		case INFO :
fiore@0: 			synchronized(monitor){
fiore@0: 				de = Finder.findElementByHashcode(ID, collectionModel.getElements());
fiore@0: 			}
fiore@0: 			if(de == null)
fiore@0: 				return;
fiore@0: 			SoundFactory.getInstance().stop();
fiore@0: 			NarratorFactory.getInstance().speak(de.detailedSpokenText());
fiore@0: 			iLog("request detailed info",((de instanceof Node) ? "node " : "edge ")+de.getName());
fiore@0: 			break;
fiore@0: 		case PLAY_SOUND :
fiore@0: 			switch(HapticListenerCommand.Sound.fromInt(ID) ){
fiore@0: 			case MAGNET_OFF : 
fiore@0: 				SoundFactory.getInstance().play(SoundEvent.MAGNET_OFF);
fiore@0: 				iLog("sticky mode off","");
fiore@0: 				break;
fiore@0: 			case MAGNET_ON : 
fiore@0: 				SoundFactory.getInstance().play(SoundEvent.MAGNET_ON);
fiore@0: 				iLog("sticky mode on","");
fiore@0: 				break;
fiore@0: 			case HOOK_ON : 
fiore@0: 				SoundFactory.getInstance().play(SoundEvent.HOOK_ON);
fiore@0: 				iLog("hook on","");
fiore@0: 				break;
fiore@0: 			case DRAG : SoundFactory.getInstance().play(SoundEvent.DRAG);
fiore@0: 				break;
fiore@0: 			}
fiore@0: 			break;
fiore@0: 		case ERROR : 
fiore@0: 			/* no synchronization necessary as the XMLManager looks after it*/
fiore@0: 			SwingUtilities.invokeLater(frameBackupRunnable);
fiore@0: 			NarratorFactory.getInstance().speak("Haptic device crashed. " +
fiore@0: 					"Unsaved diagrams saved in backup directory");
fiore@0: 			break;
fiore@0: 		}
fiore@0: 	}
fiore@0: 	
fiore@0: 	private void iLog(String action, String args){
fiore@0: 		InteractionLog.log(INTERACTION_LOG_SOURCE,action,args);
fiore@0: 	}
fiore@0: 	
fiore@0: 	private Runnable unselectRunnable;
fiore@0: 	private Runnable frameBackupRunnable;
fiore@0: 	private static String INTERACTION_LOG_SOURCE = "HAPTIC"; 
fiore@0: 	private EditorFrame frame;
fiore@0: }