comparison java/src/uk/ac/qmul/eecs/ccmi/simpletemplate/TriangularNode.java @ 0:78b7fc5391a2

first import, outcome of NIME 2014 hackaton

+/*  
+ 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.AffineTransform;
+import java.awt.geom.GeneralPath;
+import java.awt.geom.Path2D;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.awt.geom.Rectangle2D.Double;
+import java.io.InputStream;
+import java.util.List;
+
+import uk.ac.qmul.eecs.ccmi.diagrammodel.NodeProperties;
+import uk.ac.qmul.eecs.ccmi.gui.Direction;
+import uk.ac.qmul.eecs.ccmi.sound.SoundFactory;
+
+/**
+ * 
+ * A triangular shaped diagram node.
+ *
+ */
+@SuppressWarnings("serial")
+public class TriangularNode extends SimpleShapeNode {
+
+
+	public TriangularNode(String typeName, NodeProperties properties) {
+		super(typeName, properties);
+		Rectangle2D dataBounds = getMinBounds();  
+		dataDisplayBounds.setFrame(dataBounds);
+		tShape = getOutShape(dataBounds);
+		/* by building the shape around dataBounds which was at (0,0) the new bounds */
+		/* are now negative, so we need to bring the new bounds back at (0,0)        */
+		Rectangle2D bounds = getBounds();
+		translateImplementation(new Point2D.Double(),0-bounds.getX(),0-bounds.getY());
+	}
+	
+	@Override
+	protected Rectangle2D getMinBounds(){
+		Rectangle2D minBounds = super.getMinBounds();
+		return  new Rectangle2D.Double(minBounds.getX(),minBounds.getY(),minBounds.getWidth()/2,minBounds.getHeight()/2); 
+	}
+
+	@Override
+	public ShapeType getShapeType() {
+		return ShapeType.Triangle;
+	}
+	
+	@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;
+				}
+		super.translateImplementation(p,dx, dy);
+		tShape.transform(AffineTransform.getTranslateInstance(dx, dy));
+	}
+
+	public static Path2D.Double getOutShape(Rectangle2D r){
+		Path2D.Double triangle = new Path2D.Double(GeneralPath.WIND_EVEN_ODD,3);
+		double minEdge = Math.min(r.getWidth(), r.getHeight());
+		triangle.moveTo(r.getCenterX(), r.getY()-minEdge);
+		
+		double angle = Math.atan(minEdge/(r.getWidth()/2));
+		double w = r.getHeight()/ Math.tan(angle);
+		triangle.lineTo(r.getX()-w, r.getMaxY());
+		triangle.lineTo(r.getMaxX()+w, r.getMaxY());
+		triangle.closePath();
+		return triangle;
+	}
+	
+	@Override
+	protected void reshapeInnerProperties(List<String> insidePropertyTypes){
+		nameLabel = new MultiLineString();
+		nameLabel.setText(getName().isEmpty() ? " " : getName());
+		nameLabel.setBold(true);
+		
+		if(!super.anyInsideProperties()){
+			dataDisplayBounds.setFrame(dataDisplayBounds.getX(),
+					dataDisplayBounds.getY(),
+					nameLabel.getBounds().getWidth(),
+					nameLabel.getBounds().getHeight());
+			Rectangle2D minBounds = getMinBounds();
+			dataDisplayBounds.add(new Rectangle2D.Double(dataDisplayBounds.getX(), dataDisplayBounds.getY(), minBounds.getWidth(),minBounds.getHeight()));
+			tShape = getOutShape(dataDisplayBounds);
+		}else {
+			Rectangle2D r = nameLabel.getBounds();
+			
+			for(int i=0; i<insidePropertyTypes.size();i++){
+				propertyLabels[i] = new MultiLineString();
+		    	if(getProperties().getValues(insidePropertyTypes.get(i)).size() == 0){
+		    		propertyLabels[i].setText(" ");
+		    	}else{
+		    		propertyLabels[i].setJustification(MultiLineString.LEFT);
+		    		String[] a = new String[getProperties().getValues(insidePropertyTypes.get(i)).size()];
+		    		propertyLabels[i].setText(getProperties().getValues(insidePropertyTypes.get(i)).toArray(a), getProperties().getModifiers(insidePropertyTypes.get(i)));
+		    	}
+		    	r.add(new Rectangle2D.Double(r.getX(),r.getMaxY(),propertyLabels[i].getBounds().getWidth(),propertyLabels[i].getBounds().getHeight()));
+	    	}
+			/* set a gap to uniformly distribute the extra space among property rectangles to reach the minimum bound's height */
+			boundsGap = 0;
+			Rectangle2D.Double minBounds = (Rectangle2D.Double)getMinBounds();
+			if(r.getHeight() < minBounds.height){
+				boundsGap = minBounds.height - r.getHeight();
+				boundsGap /= insidePropertyTypes.size();
+			}
+			r.add(minBounds);
+			dataDisplayBounds.setFrame(new Rectangle2D.Double(dataDisplayBounds.x,dataDisplayBounds.y,r.getWidth(),r.getHeight()));
+			
+			tShape = getOutShape(dataDisplayBounds);
+		}
+
+	}
+	
+	@Override
+	public Double getBounds() {
+		return (Double)tShape.getBounds2D();
+	}
+	
+	@Override
+	public InputStream getSound(){
+		return sound;
+	}
+
+	@Override
+	public Point2D getConnectionPoint(Direction d) {
+		return calculateConnectionPoint(d,getBounds());
+	}
+	
+	public static Point2D calculateConnectionPoint(Direction d, Rectangle2D bounds) {
+		if(d.getX() == 0){
+			return new Point2D.Double(bounds.getCenterX(), 
+					d.getY() > 0 ? bounds.getY() : bounds.getMaxY());
+		}
+		
+		boolean left = false;
+		boolean right = false;
+		double dirTan = d.getY()/d.getX();
+		double boundsTan = bounds.getHeight()/bounds.getWidth();
+		double alfa = Math.atan(dirTan);		
+		double alfaDegrees = Math.toDegrees(alfa);
+		
+		if(d.getY() < 0){ //from the top
+			if(alfaDegrees < 0) 
+				right = true;
+			else 
+				left = true;
+		}else{ //from the bottom
+			if(dirTan < boundsTan && d.getX() > 0)
+				right = true;
+			else if(dirTan > -boundsTan && d.getX() < 0)
+				left = true;
+		}
+		
+		if(right){
+			double beta = Math.atan(bounds.getHeight()/(bounds.getWidth()/2));
+			double py = bounds.getHeight()/2;
+			double x = py/ (Math.tan(alfa)-Math.tan(beta));
+			double y = x * Math.tan(alfa);
+			return new Point2D.Double(bounds.getCenterX()-x, bounds.getCenterY()-y);
+		}
+		else if(left){
+			double beta = - Math.atan(bounds.getHeight()/(bounds.getWidth()/2));
+			double py = bounds.getHeight()/2;
+			double x = py/ (Math.tan(alfa)-Math.tan(beta));
+			double y = x * Math.tan(alfa);
+			return new Point2D.Double(bounds.getCenterX()-x, bounds.getCenterY()-y);
+		}
+		else{
+			return new Point2D.Double(
+					bounds.getCenterX() + ((bounds.getHeight()/2) * (d.getX()/d.getY()) ), 
+					bounds.getMaxY());
+		}
+	}
+
+	@Override
+	public Shape getShape() {
+		return tShape;
+	}
+	
+	public Object clone(){
+		return new TriangularNode(getType(),(NodeProperties)getProperties().clone());
+	}
+	
+	private Path2D.Double tShape;
+	private static InputStream sound;
+	
+	static {
+		sound = TriangularNode.class.getResourceAsStream("audio/Triangle.mp3");
+		SoundFactory.getInstance().loadSound(sound);
+	}
+}