[英]Add a mouseListener on a Vertex
我正在尝试使用Java中的JGraphX制作图形,并在特定类型的顶点上添加mouseListener
。
我试图使用graphComponent
但它什么也没做...
这是我的代码:
mxGraphComponent graphComponent = new mxGraphComponent(graph);
graphComponent.getGraphControl().addMouseListener( new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
mxCell cell = (mxCell) graphComponent.getCellAt(e.getX(), e.getY());
System.out.println("TOTO");
if(cell != null && cell instanceof mxCell){
if(cell.getValue().toString().equals("AAM")){
System.out.println("My Cell selected");
}
}
}
});
您的代码对我来说很好。 试试这个,它应该100%工作:
public class HelloWorld extends JFrame
{
private static final long serialVersionUID = -2707712944901661771L;
public HelloWorld()
{
super("Hello, World!");
mxGraph graph = new mxGraph();
Object parent = graph.getDefaultParent();
graph.getModel().beginUpdate();
try
{
String s1 = "Hello";
String s2 = "World!";
Object v1 = graph.insertVertex(parent, "ID1", s1, 20, 20, 80, 30);
Object v2 = graph.insertVertex(parent, "ID2", s2, 240, 150, 80, 30);
Object edge = graph.insertEdge(parent, "ID3", "TEST", v1, v2);
}
finally
{
graph.getModel().endUpdate();
}
final mxGraphComponent graphComponent = new mxGraphComponent(graph);
graphComponent.getGraphControl().addMouseListener(new MouseAdapter()
{
@Override
public void mousePressed(MouseEvent e)
{
Object cell = graphComponent.getCellAt(e.getX(), e.getY());
if (cell instanceof mxCell)
{
System.out.println(((mxCell) cell).getValue());
}
}
});
getContentPane().add(graphComponent);
}
public static void main(String[] args)
{
HelloWorld frame = new HelloWorld();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(400, 320);
frame.setVisible(true);
}
}
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