SimulationTreePanel.java 文件源码

/**
 * Shows the a dialog allowing the user to edit the ray.
 */
private void editRayAction() {
    // getProperty the currently selected body
    TreePath path = this.tree.getSelectionPath();
    // make sure something is selected
    if (path != null) {
        // getProperty the selected node
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
        // make sure its a ray that is selected
        if (node.getUserObject() instanceof SandboxRay) {
            // getProperty the ray from the node
            SandboxRay ray = (SandboxRay) node.getUserObject();
            // show the right dialog
            synchronized (Simulation.LOCK) {
                SandboxRay nRay = EditRayDialog.show(ControlUtilities.getParentWindow(this), ray);
                this.simulation.getRays().remove(ray);
                this.simulation.getRays().add(nRay);
                node.setUserObject(nRay);
            }
        }
    }
}