playerlistener.java

一个用Java写的

		   // 8. Set the start time
		   setStartTime();

		   // 9. Fire the animation event
                   event = new SVGEvent(SVGEvent.EVENT_ANIMATE,null);
                   canvas.postEvent(event);

		   // 10. Fire the update event
                   event = new SVGEvent(SVGEvent.EVENT_UPDATE, canvas.raster.getDevClip() );
                   canvas.postEvent(event);
                   break;

              case SVGEvent.EVENT_SCROLL:
		   document =  canvas.raster.document;
		   // If the current document is not zoom and pan anabled then
		   // just quit
                   if(!document.isZoomAndPanAnable()) return;
		   // 1. Get the drag point
                   point = (TinyPoint)theEvent.data;
		   SVGSVGElem root = (SVGSVGElem)document.root;
		   // 2. Get the current scale
                   int scale = root.getCurrentScale();
		   // 3. Calculate the new current view
                   view = canvas.raster.view;
                   view.x += TinyUtil.div(point.x<<TinyUtil.FIX_BITS,scale);
                   view.y += TinyUtil.div(point.y<<TinyUtil.FIX_BITS,scale);
		   // 5. Set the camera transform
                   canvas.raster.setCamera();
		   // 6. Fire the update event
                   event = new SVGEvent(SVGEvent.EVENT_UPDATE, canvas.raster.getDevClip() );
                   canvas.postEvent(event);
                   break;

              case SVGEvent.EVENT_UNLOAD:
                   break;

              case SVGEvent.EVENT_ZOOM:
		   document =  canvas.raster.document;
                   if(!document.isZoomAndPanAnable()) return;

                   TinyNumber direction = (TinyNumber)theEvent.data;
                   // zoom in '0' size / 2
                   if(direction.val == 0)
                   {
                       zoomLevel--;
                       if(zoomLevel < MIN_ZOOMLEVEL)
                       {
                          zoomLevel = MIN_ZOOMLEVEL;
                          return;
                       }
                   }
                   else //zoom out size * 2
                   {
                       zoomLevel++;
                       if(zoomLevel > MAX_ZOOMLEVEL)
		       {
			  zoomLevel = MAX_ZOOMLEVEL;
			  return;
		       }
		   }
                   SVGRect newView = new SVGRect();
                   view = canvas.raster.view;
                   int  midX = view.x + view.width/2;
                   int  midY = view.y + view.height/2;
                   // zoom in '0' size / 2
                   if(direction.val == 0)
                   {
                       newView.width = (view.width/2);
                       newView.height = (view.height/2);
                   }
                   else //zoom out size * 2
                   {
                       newView.width = (view.width * 2 );
                       newView.height = (view.height * 2);
                   }
                   newView.x = midX - (newView.width) / 2;
                   newView.y = midY - (newView.height) / 2;

                   view.x = newView.x;
                   view.y = newView.y;
                   view.width = newView.width;
                   view.height = newView.height;
                   canvas.raster.setCamera();
                   event = new SVGEvent(SVGEvent.EVENT_UPDATE, canvas.raster.getDevClip() );
                   canvas.postEvent(event);
                   break;

	      case SVGEvent.EVENT_PAUSERESUME:
                   if(animationsPaused())
                   {
                       resumeAnimations();
                       event = new SVGEvent(SVGEvent.EVENT_ANIMATE,null);
                       canvas.postEvent(event);
                   }
                   else
                   {
                       pauseAnimations();
                   }
                   break;

	      case SVGEvent.EVENT_QUALITY:
		   // 1. Change the antialaisng
		   if(canvas.raster.isAntialiased())
		   {
                      canvas.raster.setAntialiased(false);
		   }
                   else
		   {
                      canvas.raster.setAntialiased(true);
		   }
		   // 2. Set the camera transform
                   canvas.raster.setCamera();
		   // 3. Fire the update event
                   event = new SVGEvent(SVGEvent.EVENT_UPDATE, canvas.raster.getDevClip() );
                   canvas.postEvent(event);
                   break;

	      case SVGEvent.EVENT_ORIGVIEW:
		   // 1. Set the original view
                   view     = canvas.raster.view;
		   origview = canvas.raster.origview;
		   view.x      = origview.x;
                   view.y      = origview.y;
                   view.width  = origview.width;
                   view.height = origview.height;
		   // 2. Set the camera transform
		   canvas.raster.setCamera();
		   // 3. Fire the update event
                   event = new SVGEvent(SVGEvent.EVENT_UPDATE, canvas.raster.getDevClip() );
                   canvas.postEvent(event);
                   break;

	      case SVGEvent.EVENT_CLICK:
                   point = (TinyPoint)theEvent.data;
                   System.out.println("Player: linkEvent: (" + point.x +", "+ point.y+") ");
		   document =  canvas.raster.document;

		   // See if we have any node with link under (x,y)
                   SVGNode hitNode = document.root.nodeHitAt(canvas.raster,point);
                   if(hitNode == null)
                   {
//                      System.out.println("linkEvent: hitNode is not found");
                      break; // nothing to do
                   }
//                   System.out.println("linkEvent: hitNode is found" + hitNode);
		   SVGNode linkNode = hitNode.seekAElem();
                   if(linkNode == null)
                   {
//                      System.out.println("linkEvent: linkNode is not found");
                      break; // nothing to do
                   }
//                   System.out.println("linkEvent: linkNode is found" + linkNode);
		   doLink(linkNode);
                   break;

              case SVGEvent.EVENT_ERROR:
                   break;

	      case SVGEvent.EVENT_FOCUSHIDE:
		   document =  canvas.raster.document;
		   // If the document does not have link so ...
                   if(document.linkTargets.count == 0) return;
		   // Otherwise we need to fire focusout for the
		   // current link target
                   SVGGroupElem node = (SVGGroupElem)document.linkTargets.data[document.linkIndex];
		   if(node != null)
		   {
                      event = new SVGEvent(SVGEvent.EVENT_FOCUSOUT, node);
                      canvas.postEvent(event);
		   }
		   // Remove links from the linkTargets
		   document.linkTargets.count = document.linkIndex = 0;
		   break;

	      case SVGEvent.EVENT_FOCUSIN:
		   node = (SVGGroupElem)theEvent.data;
		   if( node!= null)
		   {
                      node.showBounds = true;
                      event = new SVGEvent(SVGEvent.EVENT_UPDATE,node.getDevBounds(canvas.raster));
                      canvas.postEvent(event);
		   }
		   break;

              case SVGEvent.EVENT_FOCUSNEXT:
		   document =  canvas.raster.document;
		   // If the document does not have link so ...
                   if(document.linkTargets.count == 0) return;
                   if((document.linkIndex + 1)== document.linkTargets.count) return;
		   // hide the old link
                   node = (SVGGroupElem)document.linkTargets.data[document.linkIndex];
		   if(node != null)
		   {
                      event = new SVGEvent(SVGEvent.EVENT_FOCUSOUT, node);
                      canvas.postEvent(event);
		   }
		   document.linkIndex++;
		   // show the new link
                   node = (SVGGroupElem)document.linkTargets.data[document.linkIndex];
		   if(node != null)
		   {
                      event = new SVGEvent(SVGEvent.EVENT_FOCUSIN, node);
                      canvas.postEvent(event);
		   }
		   break;

	      case SVGEvent.EVENT_FOCUSOUT:
		   node = (SVGGroupElem)theEvent.data;
		   if( node!= null)
		   {
                      node.showBounds = false;
                      event = new SVGEvent(SVGEvent.EVENT_UPDATE,node.getDevBounds(canvas.raster));
                      canvas.postEvent(event);
		   }
		   break;

	      case SVGEvent.EVENT_FOCUSPRESSED:
		   document =  canvas.raster.document;
		   // If the document does not have link so ...
                   if(document.linkTargets.count == 0) return;
		   doLink((SVGGroupElem)document.linkTargets.data[document.linkIndex]);
		   break;

	      case SVGEvent.EVENT_FOCUSPREV:
		   document =  canvas.raster.document;
		   // If the document does not have link so ...
                   if(document.linkTargets.count == 0) return;
                   if(document.linkIndex== 0) return;
		   // hide the old link
                   node = (SVGGroupElem)document.linkTargets.data[document.linkIndex];
		   if(node != null)
		   {
                      event = new SVGEvent(SVGEvent.EVENT_FOCUSOUT, node);
                      canvas.postEvent(event);
		   }
		   document.linkIndex--;
		   // show the new link
                   node = (SVGGroupElem)document.linkTargets.data[document.linkIndex];
		   if(node != null)
		   {
                      event = new SVGEvent(SVGEvent.EVENT_FOCUSIN, node);
                      canvas.postEvent(event);
		   }
		   break;

	      case SVGEvent.EVENT_FOCUSSHOW:
		   document =  canvas.raster.document;
		   // Add the links to the linkTargets
                   document.linkTargets.count = 0;
                   document.linkIndex = 0;
		   document.addLinks(document.root);
		   // If the document does not have links so ...
                   if(document.linkTargets.count == 0) return;
		   // Show the first link target
		   // We need to fire focusin for the current link target
                   node = (SVGGroupElem)document.linkTargets.data[document.linkIndex];
		   if(node != null)
		   {
                      event = new SVGEvent(SVGEvent.EVENT_FOCUSIN, node);
                      canvas.postEvent(event);
		   }
                   break;
         } //switch
    }
}