Package prefuse

Examples of prefuse.Display$InputEventCapturer

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    /**
     * @see prefuse.controls.Control#itemEntered(prefuse.visual.VisualItem, java.awt.event.MouseEvent)
     */
    public void itemEntered(VisualItem item, MouseEvent e) {
        Display d = (Display)e.getSource();
        d.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
        activeItem = item;
        if ( fixOnMouseOver ) {
            wasFixed = item.isFixed();
            resetItem = true;
            item.setFixed(true);
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        if ( activeItem == item ) {
            activeItem = null;
            item.getTable().removeTableListener(this);
            if ( resetItem ) item.setFixed(wasFixed);
        }
        Display d = (Display)e.getSource();
        d.setCursor(Cursor.getDefaultCursor());
    } //
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            resetItem = true;
            item.setFixed(true);
            item.getTable().addTableListener(this);
        }
        dragged = false;
        Display d = (Display)e.getComponent();
        d.getAbsoluteCoordinate(e.getPoint(), down);
    }
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     * @see prefuse.controls.Control#itemDragged(prefuse.visual.VisualItem, java.awt.event.MouseEvent)
     */
    public void itemDragged(VisualItem item, MouseEvent e) {
        if (!SwingUtilities.isLeftMouseButton(e)) return;
        dragged = true;
        Display d = (Display)e.getComponent();
        d.getAbsoluteCoordinate(e.getPoint(), temp);
        double dx = temp.getX()-down.getX();
        double dy = temp.getY()-down.getY();
        double x = item.getX();
        double y = item.getY();

        item.setStartX(x);  item.setStartY(y);
        item.setX(x+dx);    item.setY(y+dy);
        item.setEndX(x+dx); item.setEndY(y+dy);
       
        if ( repaint )
            item.getVisualization().repaint();
       
        down.setLocation(temp);
        if ( action != null )
            d.getVisualization().run(action);
    }
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    /**
     * @see prefuse.controls.Control#itemEntered(prefuse.visual.VisualItem, java.awt.event.MouseEvent)
     */
    public void itemEntered(VisualItem item, MouseEvent e) {
        if ( !filterCheck(item) ) return;
        Display d = (Display)e.getSource();
        d.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
        if ( ccount == 0 ) {
            Visualization vis = item.getVisualization();
            TupleSet ts = vis.getFocusGroup(group);
            ts.setTuple(item);
            curFocus = item;
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    /**
     * @see prefuse.controls.Control#itemExited(prefuse.visual.VisualItem, java.awt.event.MouseEvent)
     */
    public void itemExited(VisualItem item, MouseEvent e) {
        if ( !filterCheck(item) ) return;
        Display d = (Display)e.getSource();
        d.setCursor(Cursor.getDefaultCursor());
        if ( ccount == 0 ) {
            curFocus = null;
            Visualization vis = item.getVisualization();
            TupleSet ts = vis.getFocusGroup(group);
            ts.removeTuple(item);
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    /**
     * @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
     */
    public void mouseDragged(MouseEvent e) {
        if ( UILib.isButtonPressed(e, m_button) ) {
            Display display = (Display)e.getComponent();
            int x = e.getX(),   y = e.getY();
            int dx = x-m_xDown, dy = y-m_yDown;
            display.pan(dx,dy);
            m_xDown = x;
            m_yDown = y;
            display.repaint();
        }
    }
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        // --------------------------------------------------------------------
        // set up a display to show the visualization
       
        Display display = new Display(m_vis);
        display.setSize(700,700);
        display.pan(350, 350);
        display.setForeground(Color.GRAY);
        display.setBackground(Color.WHITE);
       
        // main display controls
        display.addControlListener(new FocusControl(1));
        display.addControlListener(new DragControl());
        display.addControlListener(new PanControl());
        display.addControlListener(new ZoomControl());
        display.addControlListener(new WheelZoomControl());
        display.addControlListener(new ZoomToFitControl());
        display.addControlListener(new NeighborHighlightControl());

        // overview display
//        Display overview = new Display(vis);
//        overview.setSize(290,290);
//        overview.addItemBoundsListener(new FitOverviewListener());
       
        display.setForeground(Color.GRAY);
        display.setBackground(Color.WHITE);
       
        // --------------------------------------------------------------------       
        // launch the visualization
       
        // create a panel for editing force values
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                item.setSize(1.0);
                h += item.getBounds().getHeight();
            }
            double scale = h > m_maxHeight ? m_maxHeight/h : 1.0;
           
            Display d = m_vis.getDisplay(0);
            Insets ins = d.getInsets();
           
            // second pass
            h = ins.top;
            double ih, y=0, x=ins.left;
            iter = m_vis.items();
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        filter.addExpressionListener(lstnr);
       
        // --------------------------------------------------------------------
        // STEP 4: set up a display and ui components to show the visualization

        m_display = new Display(vis);
        m_display.setItemSorter(new ItemSorter() {
            public int score(VisualItem item) {
                int score = super.score(item);
                if ( item.isInGroup(group) )
                    score += item.getInt(TOTAL_RECEIPTS);
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