Examples of VisualizationViewer

Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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  /**
   *
   * @param e the event
   */
  public void mousePressed(MouseEvent e) {
      VisualizationViewer vv = (VisualizationViewer)e.getSource();
      boolean accepted = checkModifiers(e);
      down = e.getPoint();
      if(accepted) {
          vv.setCursor(cursor);
      }
  }
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Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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  /**
   *
   */
    public void mouseReleased(MouseEvent e) {
        VisualizationViewer vv = (VisualizationViewer)e.getSource();
        down = null;
        vv.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    }
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Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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   *
   *
   */
    public void mouseDragged(MouseEvent e) {
        if(down == null) return;
        VisualizationViewer vv = (VisualizationViewer)e.getSource();
        boolean accepted = checkModifiers(e);
        if(accepted) {
            MutableTransformer modelTransformer =
              vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT);
            vv.setCursor(cursor);
            Point2D q = down;
            Point2D p = e.getPoint();
            float dx = (float) (p.getX()-q.getX());
            float dy = (float) (p.getY()-q.getY());

            Dimension d = vv.getSize();
            float shx = 2.f*dx/d.height;
            float shy = 2.f*dy/d.width;
            Point2D center = vv.getCenter();
            if(p.getX() < center.getX()) {
                shy = -shy;
            }
            if(p.getY() < center.getY()) {
                shx = -shx;
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Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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    /**
     * overridden to shear the main view
     */
    public void mouseDragged(MouseEvent e) {
        if(down == null) return;
        VisualizationViewer vv = (VisualizationViewer)e.getSource();
        boolean accepted = checkModifiers(e);
        if(accepted) {
            if(vv instanceof SatelliteVisualizationViewer) {
                VisualizationViewer vvMaster =
                    ((SatelliteVisualizationViewer)vv).getMaster();
               
                MutableTransformer modelTransformerMaster =
                  vvMaster.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT);

                vv.setCursor(cursor);
                Point2D q = down;
                Point2D p = e.getPoint();
                float dx = (float) (p.getX()-q.getX());
                float dy = (float) (p.getY()-q.getY());

                Dimension d = vv.getSize();
                float shx = 2.f*dx/d.height;
                float shy = 2.f*dy/d.width;
                // I want to compute shear based on the view coordinates of the
                // lens center in the satellite view.
                // translate the master view center to layout coords, then translate
                // that point to the satellite view's view coordinate system....
                Point2D center = vv.getRenderContext().getMultiLayerTransformer().transform(vvMaster.getRenderContext().getMultiLayerTransformer().inverseTransform(vvMaster.getCenter()));
                if(p.getX() < center.getX()) {
                    shy = -shy;
                }
                if(p.getY() < center.getY()) {
                    shx = -shx;
                }
                modelTransformerMaster.shear(-shx, -shy, vvMaster.getCenter());

                down.x = e.getX();
                down.y = e.getY();
            }
            e.consume();
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Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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     * use. If this event satisfies the modifiers, change the cursor
     * to the system 'move cursor'
     * @param e the event
     */
    public void mousePressed(MouseEvent e) {
        VisualizationViewer vv = (VisualizationViewer)e.getSource();
        MutableTransformer vt = vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW);
        if(vt instanceof LensTransformer) {
          vt = ((LensTransformer)vt).getDelegate();
        }
        Point2D p = vt.inverseTransform(e.getPoint());
        boolean accepted = checkModifiers(e);
        if(accepted) {
            vv.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
            testViewCenter(vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT), p);
            testViewCenter(vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW), p);
            vv.repaint();
        }
        super.mousePressed(e);
    }
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Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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     * check the modifiers. If accepted, move or resize the lens according
     * to the dragging of the mouse pointer
     * @param e the event
     */
    public void mouseDragged(MouseEvent e) {
        VisualizationViewer vv = (VisualizationViewer)e.getSource();
        MutableTransformer vt = vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW);
        if(vt instanceof LensTransformer) {
          vt = ((LensTransformer)vt).getDelegate();
        }
        Point2D p = vt.inverseTransform(e.getPoint());
        boolean accepted = checkModifiers(e);

        if(accepted ) {
            MutableTransformer modelTransformer = vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT);
            vv.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
            if(dragOnLens) {
                setViewCenter(modelTransformer, p);
                setViewCenter(vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW), p);
                e.consume();
                vv.repaint();

            } else if(dragOnEdge) {

                setViewRadius(modelTransformer, p);
                setViewRadius(vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW), p);
                e.consume();
                vv.repaint();
               
            } else {
             
              MutableTransformer mt = vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT);
                Point2D iq = vt.inverseTransform(down);
                iq = mt.inverseTransform(iq);
                Point2D ip = vt.inverseTransform(e.getPoint());
                ip = mt.inverseTransform(ip);
                float dx = (float) (ip.getX()-iq.getX());
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Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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   * mouse wheel motion.
   */
  public void mouseWheelMoved(MouseWheelEvent e) {
        boolean accepted = checkModifiers(e);
        if(accepted == true) {
            VisualizationViewer vv = (VisualizationViewer)e.getSource();
            Point2D mouse = e.getPoint();
            Point2D center = vv.getCenter();
            int amount = e.getWheelRotation();
            if(zoomAtMouse) {
                if(amount > 0) {
                    scaler.scale(vv, in, mouse);
                } else if(amount < 0) {
                    scaler.scale(vv, out, mouse);
                }
            } else {
                if(amount > 0) {
                    scaler.scale(vv, in, center);
                } else if(amount < 0) {
                    scaler.scale(vv, out, center);
                }
            }
            e.consume();
            vv.repaint();
        }
  }
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Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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     * use. If this event satisfies the modifiers, change the cursor
     * to the system 'move cursor'
   * @param e the event
   */
  public void mousePressed(MouseEvent e) {
      VisualizationViewer vv = (VisualizationViewer)e.getSource();
      boolean accepted = checkModifiers(e);
      down = e.getPoint();
      if(accepted) {
          vv.setCursor(cursor);
      }
  }
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Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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  /**
   * unset the 'down' point and change the cursoe back to the system
     * default cursor
   */
    public void mouseReleased(MouseEvent e) {
        VisualizationViewer vv = (VisualizationViewer)e.getSource();
        down = null;
        vv.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    }
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Examples of edu.uci.ics.jung.visualization.VisualizationViewer

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     * chack the modifiers. If accepted, translate the graph according
     * to the dragging of the mouse pointer
     * @param e the event
   */
    public void mouseDragged(MouseEvent e) {
        VisualizationViewer vv = (VisualizationViewer)e.getSource();
        boolean accepted = checkModifiers(e);
        if(accepted) {
            MutableTransformer modelTransformer = vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT);
            vv.setCursor(cursor);
            try {
                Point2D q = vv.getRenderContext().getMultiLayerTransformer().inverseTransform(down);
                Point2D p = vv.getRenderContext().getMultiLayerTransformer().inverseTransform(e.getPoint());
                float dx = (float) (p.getX()-q.getX());
                float dy = (float) (p.getY()-q.getY());
               
                modelTransformer.translate(dx, dy);
                down.x = e.getX();
                down.y = e.getY();
            } catch(RuntimeException ex) {
                System.err.println("down = "+down+", e = "+e);
                throw ex;
            }
       
            e.consume();
            vv.repaint();
        }
    }
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