Examples of diva.canvas.connector.StraightConnector

diva.canvas.connector.StraightConnector
A Connector that draws itself in a straight line. @version $Id: StraightConnector.java,v 1.16 2005/07/08 19:54:51 cxh Exp $ @author John Reekie @author Michael Shilman @Pt.AcceptedRating Red

        FigureLayer layer = graphicsPane.getForegroundLayer();


        // Create the first connector
        Site a = figureA.getE();
        Site b = figureB.getN();
        connectorA = new StraightConnector(a, b);


        // Add the circle and arrowhead to it
        Blob blob = new Blob(a.getX(), a.getY(), a.getNormal(),
                Blob.BLOB_CIRCLE);
        connectorA.setTailEnd(blob);

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        // Create the first connector. We don't care about the actual
        // location at this stage
        Site a = target.getTailSite(figureA, 0.0, 0.0);
        Site b = target.getHeadSite(figureB, 0.0, 0.0);
        connectorA = new StraightConnector(a, b);
        layer.add(connectorA);


        // Add an arrowhead to it
        Arrowhead arrow = new Arrowhead(b.getX(), b.getY(), b.getNormal());
        connectorA.setHeadEnd(arrow);

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        //if the edge is a self loop, create an ArcConnector instead!
        if ((tf != null) && (hf != null) && (tf == hf)) {
            c = new ArcConnector(tailSite, headSite);
        } else {
            c = new StraightConnector(tailSite, headSite);
        }


        Arrowhead arrow = new Arrowhead(headSite.getX(), headSite.getY(),
                headSite.getNormal());
        c.setHeadEnd(arrow);

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        /**
         * Render the edge
         */
        public Connector render(Object edge, Site tailSite, Site headSite) {
            StraightConnector c = new StraightConnector(tailSite, headSite);


            // Create an arrow at the head
            Arrowhead headArrow = new Arrowhead(headSite.getX(), headSite
                    .getY(), headSite.getNormal());
            c.setHeadEnd(headArrow);
            c.setUserObject(edge);
            return c;
        }

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        /**
         * Render the edge
         */
        public Connector render(Object edge, Site tailSite, Site headSite) {
            StraightConnector c = new StraightConnector(tailSite, headSite);


            // Create an arrow at the head
            Arrowhead headArrow = new Arrowhead(headSite.getX(), headSite
                    .getY(), headSite.getNormal());
            c.setHeadEnd(headArrow);


            // Create an arrow at the tail
            Arrowhead tailArrow = new Arrowhead(tailSite.getX(), tailSite
                    .getY(), tailSite.getNormal());
            c.setTailEnd(tailArrow);


            c.setUserObject(edge);
            return c;
        }

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