graph.java

myjxta是用jxta开发的一个p2p通讯软件 有聊天 文件共享 视频3大功能 界面采用swing

        });
        
        setTitle(STRINGS.getString("title.graph"));
        setDefaultCloseOperation(DISPOSE_ON_CLOSE);
        setLocationRelativeTo(this.view);
        // xxx: jre 1.5
        //setAlwaysOnTop(false);
        
        getContentPane().add(display);
        
        pack();
        
        setVisible(true);
        
        while (display.getGraphics() == null) {
        }
        
        this.filter.runNow();
        this.layout.runNow();
        //this.forces.runNow();
    }

    private void shutdownGraph() {
        if (listener!=null){
            MyJxtaObjectRepository.getObjectRepository().removeListener(listener);
            listener=null;
        }
    }

    private void applyLayout() {
        
        layout = new ActionList(registry);
        layout.add(new TreeFilter(false, true, true));
        layout.add(new RadialTreeLayout());
        layout.add(new LayoutColorFunction());
        
    }
    
    private void applyAnimation() {
        
        animate = new ActionList(registry,1500,20);
        animate.setPacingFunction(new SlowInSlowOutPacer());
        animate.add(new PolarLocationAnimator());
        animate.add(new ColorAnimator());
        animate.add(new RepaintAction());
        animate.alwaysRunAfter(layout);
        
    }
    private void applyUpdateAndFilters() {
        
        update = new ActionList(registry);
        update.add(fu_colorFunction);
        update.add(new RepaintAction());
        
        filter = new ActionList(registry);
        filter.add(new FisheyeTreeFilter(-5));
        filter.add(new TreeEdgeFilter());
        
    }
    
    private void applyForces() {
        
        ForceSimulator fs = new ForceSimulator();
        
        fs = new ForceSimulator();
        fs.addForce(new NBodyForce(-0.6f, 15f, 3f));
        fs.addForce(new DragForce());
        
        forces = new ActionList(registry, 1000);
        forces.add(new ForceDirectedLayout(fs, true));
        forces.add(fu_colorFunction);
        
        forces.add(new RepaintAction());
        forces.alwaysRunAfter(animate);
        
    }
    
    
    /** Setup Node and Edge Renderers for items in the registry. Images are
     *  taken from resouces. The node items use the same images as jxtatreetable
     */
    private void applyRenderers() {
        
        TextImageItemRenderer nr = new TextImageItemRenderer() {
            final BasicStroke m_stroke = new BasicStroke(5);
            public BasicStroke getStroke(VisualItem item) {
                return m_stroke;
            } //
        };
        
        nr.setHorizontalAlignment(TextImageItemRenderer.ALIGNMENT_LEFT);
        nr.setVerticalAlignment(TextImageItemRenderer.ALIGNMENT_CENTER);
        
        nr.setHorizontalPadding(3);
        nr.setVerticalPadding(0);
        nr.setMaxImageDimensions(50,50);
        nr.setRoundedCorner(8, 8);
        nr.setRenderType(ShapeRenderer.RENDER_TYPE_FILL);
        /** associates attribute id and item label */
        nr.setTextAttributeName(JxtaNodeLoader.LABEL);
        /** associates attribute id and item image */
        nr.setImageAttributeName(JxtaNodeLoader.IMAGE);
        
        
        /** add images into prufuse resources */
        Resources res = Resources.getInstance();
        
        nr.getImageFactory().addImage("TreeTable.PeerGroup",
                res.getIconResource("TreeTable.PeerGroupJoined").getImage());
        nr.getImageFactory().addImage("TreeTable.PeerPresent",
                res.getIconResource("TreeTable.PeerPresent").getImage());
        nr.getImageFactory().addImage("TreeTable.Share",
                res.getIconResource("TreeTable.Share").getImage());
        
        DefaultEdgeRenderer er = new DefaultEdgeRenderer();
        /**push the renderers into registry */
        registry.setRendererFactory(new DefaultRendererFactory(
                nr, er, null));
    }
    
    
    
    public final class RadialColorFunction extends ColorFunction {
        private final Color graphEdgeColor = Color.LIGHT_GRAY;
        private final Color highlightColor = new Color(50,50,255);
        private final Color focusColor = new Color(255,50,50);
        private final ColorMap colorMap;
        
        public RadialColorFunction(int thresh) {
            colorMap = new ColorMap(
                    ColorMap.getInterpolatedMap(thresh+1, Color.RED, Color.BLACK),
                    0, thresh);
        } //
        
        public Paint getFillColor(VisualItem item) {
            if ( item instanceof NodeItem ) {
                return Color.WHITE;
            } else if ( item instanceof AggregateItem ) {
                return Color.LIGHT_GRAY;
            } else if ( item instanceof EdgeItem ) {
                return getColor(item);
            } else {
                return Color.BLACK;
            }
        } //
        
        public Paint getColor(VisualItem item) {
            if ( item.isFocus() ) {
                return focusColor;
            } else if ( item.isHighlighted() ) {
                return highlightColor;
            } else if (item instanceof NodeItem) {
                int d = ((NodeItem)item).getDepth();
                return colorMap.getColor(d);
            } else if (item instanceof EdgeItem) {
                EdgeItem e = (EdgeItem) item;
                if ( e.isTreeEdge() ) {
                    int d, d1, d2;
                    d1 = ((NodeItem)e.getFirstNode()).getDepth();
                    d2 = ((NodeItem)e.getSecondNode()).getDepth();
                    d = Math.max(d1, d2);
                    return colorMap.getColor(d);
                } else {
                    return graphEdgeColor;
                }
            } else {
                return Color.BLACK;
            }
        } //
    } // end of inner class RadialColorFunction
    
    
    public final class ForcesAndUpdateColorFunction extends ColorFunction {
        private final Color pastelRed = new Color(221,238,240);
        private final Color pastelOrange = new Color(242, 215, 121);
//        private Color lightGray = new Color(220, 220, 255);
        
        public Paint getColor(VisualItem vi) {
            Paint p = null;
            
            if (vi instanceof EdgeItem) {
                if (vi.isHighlighted()) {
                    p = pastelOrange;
                } else {
                    p = Color.LIGHT_GRAY;
                }
            } else {
                p = Color.BLACK;
            }
            
            return p;
        }
        
        public Paint getFillColor(VisualItem vi) {
            Paint p = null;
            
            if (vi.isHighlighted()) {
                p = pastelOrange;
            } else if (vi instanceof NodeItem) {
                
                p = pastelRed;
                
            } else {
                p = Color.BLACK;
            }
            
            return p;
        }
    }
    
    public final class LayoutColorFunction extends ColorFunction {
//        private Color pastelRed = Color.RED;; //new Color(255, 125, 125);
        private final Color pastelOrange = Color.ORANGE;// new Color(255, 200, 125);
//        private Color lightGray = Color.BLUE; //new Color(220, 220, 255);
        
        public Paint getColor(VisualItem vi) {
            Paint p = null;
            
            if (vi instanceof EdgeItem) {
                if (vi.isHighlighted()) {
                    p = pastelOrange;
                } else {
                    p = Color.LIGHT_GRAY;
                }
            } else {
                p = Color.BLACK;
            }
            
            return p;
        }
        
        public Paint getFillColor(VisualItem vi) {
            Paint p = null;
            
            if (vi.isHighlighted()) {
                p = pastelOrange;
            } else if (vi instanceof NodeItem) {
                
                p = Color.WHITE;
                
                
                
            } else {
                p = Color.BLACK;
            }
            
            return p;
        }
    }
    
    
    
}