diff java/src/uk/ac/qmul/eecs/ccmi/simpletemplate/EllipticalNode.java @ 0:9418ab7b7f3f

Initial import

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/src/uk/ac/qmul/eecs/ccmi/simpletemplate/EllipticalNode.java	Fri Dec 16 17:35:51 2011 +0000
@@ -0,0 +1,153 @@
+/*  
+ CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
+  
+ Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/  
+
+package uk.ac.qmul.eecs.ccmi.simpletemplate;
+
+import java.awt.Shape;
+import java.awt.geom.Ellipse2D;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import uk.ac.qmul.eecs.ccmi.diagrammodel.NodeProperties;
+import uk.ac.qmul.eecs.ccmi.gui.Direction;
+import uk.ac.qmul.eecs.ccmi.sound.SoundFactory;
+
+/**
+ *
+ * An elliptical shaped diagram node.
+ *
+ */
+@SuppressWarnings("serial")
+public class EllipticalNode extends SimpleShapeNode {
+
+	public EllipticalNode(String typeName, NodeProperties properties){
+		super(typeName, properties);
+		Rectangle2D r = getMinBounds();
+		eShape = new Ellipse2D.Double(0,0,r.getWidth(),r.getHeight());
+	}
+	
+	@Override
+	public ShapeType getShapeType() {
+		return ShapeType.Ellipse;
+	}
+	
+	public static Rectangle2D getOutBounds(Rectangle2D r){
+		double h = r.getHeight()/2;
+		double w = r.getWidth()/2;
+		
+		double anglew = Math.atan(h/w);
+		double angleh = Math.atan(w/h);
+		
+		double a = w + h * Math.tan(angleh)/2;
+		double b = h + w * Math.tan(anglew)/2;
+		
+		return  new Rectangle2D.Double(
+				r.getCenterX() - a,
+				r.getCenterY() - b,
+				2*a,
+				2*b
+				);
+	}
+	
+	@Override
+	protected void reshapeInnerProperties(List<String> insidePropertyTypes){
+		super.reshapeInnerProperties(insidePropertyTypes);
+		eShape.setFrame(super.anyInsideProperties() ? getOutBounds(dataDisplayBounds) : dataDisplayBounds );
+	}
+	
+	@Override
+	public void decode(Document doc, Element nodeTag) throws IOException{
+		super.decode(doc, nodeTag);
+		eShape.setFrame(super.anyInsideProperties() ? getOutBounds(dataDisplayBounds) : dataDisplayBounds );
+	}
+	
+	@Override
+	protected void translateImplementation(Point2D p,double dx, double dy){
+		/* if we clicked on a property node, just move that one */
+		for(List<PropertyNode> pnList : propertyNodesMap.values())
+			for(PropertyNode pn : pnList)
+				if(pn.contains(p)){
+					pn.translate(dx, dy);
+					return;
+				}
+		eShape.setFrame(eShape.getX() + dx,
+		         eShape.getY() + dy, 
+		         eShape.getWidth(), 
+		         eShape.getHeight());
+		super.translateImplementation(p,dx, dy);
+	}
+	
+	@Override
+	public Rectangle2D getBounds() {
+		return eShape.getBounds2D();
+	}
+	
+	@Override
+	public Point2D getConnectionPoint(Direction d) {
+		return calculateConnectionPoint(d, getBounds());
+	}
+		
+	public static  Point2D calculateConnectionPoint(Direction d, Rectangle2D bounds){
+        double a = bounds.getWidth() / 2;
+        double b = bounds.getHeight() / 2;
+        double x = d.getX();
+        double y = d.getY();
+        double cx = bounds.getCenterX();
+        double cy = bounds.getCenterY();
+
+        if (a != 0 && b != 0 && !(x == 0 && y == 0)){
+            double t = Math.sqrt((x * x) / (a * a) + (y * y) / (b * b));
+            return new Point2D.Double(cx + x / t, cy + y / t);
+        }
+        else{
+            return new Point2D.Double(cx, cy);
+        }
+	}
+
+	@Override
+	public Shape getShape() {
+		return eShape;
+	}
+	
+	@Override
+	public InputStream getSound(){
+		return sound;
+	}
+
+	@Override
+	public Object clone(){
+		EllipticalNode n = (EllipticalNode)super.clone();
+		n.eShape = (Ellipse2D.Double)eShape.clone();
+		return n;
+	}
+	
+	private Ellipse2D.Double eShape;
+	private static InputStream sound;
+	static{
+		sound = EllipticalNode.class.getResourceAsStream("audio/Ellipse.mp3");
+		SoundFactory.getInstance().loadSound(sound);
+	}
+}
+