Prefuse学习(三)从数据库中读取数据并SWT显示

之前用的是swing来显示Prefuse.后来想用SWT显示这样更和window的界面匹配.

参考网址

http://cping1982.blog.51cto.com/601635/130275/

所以把学习(二)中的,main方法修改为

/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		 DatabaseDataSource datasrc = null;    
		  org.eclipse.swt.widgets.Display display1 = new org.eclipse.swt.widgets.Display();
		   Shell shell = new Shell();
		   shell.setImage(SWTResourceManager.getImage(TestMySql.class, "/icon/user_business_boss.png"));
	        try {    
	            //get database connection    
	            datasrc = ConnectionFactory.getDatabaseConnection(    
	                    driverName, dbURL, userName, userPwd);    
	                
	            //create a table of data    
	            Table nodes = datasrc.getData("select * from node");    
	            Table edges = datasrc.getData("select * from edge");    
	                
	            Graph graph = new Graph(nodes, edges, false, "id", "sid", "tid");    
	                
	            Visualization vis = new Visualization();    
	            vis.add("graph", graph);    
	                
	            LabelRenderer r = new LabelRenderer("name");    
	            r.setRoundedCorner(8, 8);    
	            vis.setRendererFactory(new DefaultRendererFactory(r));    
	                
	            int[] palette = new int[] {    
	                    ColorLib.rgb(255,180,180), ColorLib.rgb(190,190,255)    
	            };    
	                
	            DataColorAction fill = new DataColorAction("graph.nodes", "gender",    
	                    Constants.NOMINAL, VisualItem.FILLCOLOR, palette);    
	            ColorAction textColor = new ColorAction("graph.nodes",    
	                    VisualItem.TEXTCOLOR, ColorLib.gray(0));    
	            ColorAction edgesColor = new ColorAction("graph.edges",    
	                    VisualItem.STROKECOLOR, ColorLib.gray(200));    
	                
	            ActionList color = new ActionList();    
	            color.add(fill);    
	            color.add(textColor);    
	            color.add(edgesColor);    
	                
	            ActionList layout = new ActionList(Activity.INFINITY);    
	            layout.add(new ForceDirectedLayout("graph"));    
	            layout.add(new RepaintAction());    
	                
	            vis.putAction("color", color);    
	            vis.putAction("layout", layout);    
	                
	            Display d = new Display(vis);    
	            d.setSize(720, 500);    
	            d.addControlListener(new DragControl());    
	            d.addControlListener(new PanControl());    
	            d.addControlListener(new ZoomControl());    
	            d.addControlListener(new NeighborHighlightControl());    
//	                
	            JFrame frame = new JFrame("Prefuse");    
	            
	            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    
//	            frame.setSize(800, 600);    
	            frame.add(d);    
//	            frame.setVisible(true);    
	            int width = 800;
	            int height = 600;
	            //获得容器
	            Container container = frame.getContentPane();
	            vis.run("color");    
	            vis.run("layout");  
	            shell.setSize(new Point(width, height));
	            shell.setLayout(new FillLayout());
	            shell.setText("Prefuse in SWT");
	            // 新建swt组件
	            Composite composite = new Composite(shell, SWT.NO_BACKGROUND
	                    | SWT.EMBEDDED);
	            // 注入组件，并返回为frame
	            Frame frm = SWT_AWT.new_Frame(composite);
	            // 加载容器
	            frm.add(container);
	            // 打开shell
	            shell.open();
	            
	            
	        } catch (Exception e) {    
	            e.printStackTrace();    
	        }    
	        while (!shell.isDisposed()) {
    			if (!display1.readAndDispatch())
    				display1.sleep();
    		}
	}

运行效果如图所示: