package demo.view; import java.awt.Color; import java.awt.EventQueue; import y.base.Edge; import y.base.Node; import y.base.NodeCursor; import y.layout.BufferedLayouter; import y.layout.hierarchic.IncrementalHierarchicLayouter; import y.layout.hierarchic.incremental.SimplexNodePlacer; import y.view.Arrow; import y.view.EditMode; import y.view.Graph2D; import y.view.NodeRealizer; public class TooltipDemo extends ViewActionDemo { public TooltipDemo() { Graph2D graph = view.getGraph2D(); graph.getDefaultEdgeRealizer().setTargetArrow(Arrow.STANDARD); // create nodes Node v1 = graph.createNode(0,0,"Node 1"); graph.getRealizer(v1).setFillColor(Color.RED); Node c1 = graph.createNode(0,0,"Node 2"); graph.getRealizer(c1).setFillColor(Color.GREEN); Node c2 = graph.createNode(0,0,"Node 3"); graph.getRealizer(c2).setFillColor(Color.BLUE); for (NodeCursor nc = graph.nodes(); nc.ok(); nc.next()) { graph.setSize(nc.node(), 100,50); } //create edges Edge e1 = graph.createEdge(v1,c1); Edge e2 = graph.createEdge(v1,c2); //layout graph IncrementalHierarchicLayouter layouter = new IncrementalHierarchicLayouter(); ((SimplexNodePlacer)layouter.getNodePlacer()).setBaryCenterModeEnabled(true); layouter.setOrthogonallyRouted(true); new BufferedLayouter(layouter).doLayout(graph); view.fitContent(); } protected EditMode createEditMode() { EditMode mode = new EditMode() { //overwrite getNodeTip with custom tooltip information public String getNodeTip(Node v) { //get NodeRealizer of node NodeRealizer nr = ((Graph2D)v.getGraph()).getRealizer(v); int red = nr.getFillColor().getRed(); int green = nr.getFillColor().getGreen(); int blue = nr.getFillColor().getBlue(); //return custom tooltip return "Tooltip as HTML" + "" + "" + "" + "" + "" + "
Label text:"+nr.getLabelText()+"
Color (R/G/B):    " +red+"/"+green+"/"+blue+"
Incoming Edges:"+v.inDegree()+"
Outgoing Edges:"+v.outDegree()+"
"; } // overwrite getEdgeTip with custom tooltip information public String getEdgeTip(Edge e) { return "Tooltip as simple text: Edge from "+e.getGraph().getSource(e)+" to "+e.getGraph().getTarget(e); } }; //enable node tooltips mode.showNodeTips(true); //enable edge tooltips mode.showEdgeTips(true); return mode; } public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { initLnF(); new TooltipDemo().start("Tooltip Demo"); } }); } }