/*
* Processes the event queued on the graph component when a particular
* node in the tree control is to be expanded or collapsed.
*/
public void processGraphEvent(ActionEvent event) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("TRACE: GraphBean.processGraphEvent ");
}
Graph graph = null;
GraphComponent component = (GraphComponent) event.getSource();
String path = (String) component.getAttributes().get("path");
// Acquire the root node of the graph representing the menu
graph = (Graph) component.getValue();
if (graph == null) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.severe("ERROR: Graph could not located in scope ");
}
}
// Toggle the expanded state of this node
Node node = graph.findNode(path);
if (node == null) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.severe("ERROR: Node " + path + "could not be located. ");
}
return;
}
boolean current = node.isExpanded();
node.setExpanded(!current);
if (!current) {
Node parent = node.getParent();
if (parent != null) {
Iterator kids = parent.getChildren();
while (kids.hasNext()) {
Node kid = (Node) kids.next();
if (kid != node) {
kid.setExpanded(false);
}
}
}
}
}
public Graph getTreeGraph() {
// Construct a preconfigured Graph lazily.
if (treeGraph == null) {
Node root = new Node("Menu 4", "Menu 4", null, null, false, true);
treeGraph = new Graph(root);
Node file = new Node("File", "File 4", "/demo-test.faces", null, true, true);
root.addChild(file);
file.addChild(new Node("File-New", "New 4", "/demo-test.faces", null, true, false));
file.addChild(new Node("File-Open", "Open 4", "/demo-test.faces", null, true, false));
Node close = new Node("File-Close", "Close 4", "/demo-test.faces", null, false, false);
file.addChild(close);
file.addChild(new Node("File-Exit", "Exit 4", "/demo-test.faces", null, true, false));
Node edit = new Node("Edit", "Edit 4", "/demo-test.faces", null, true, false);
root.addChild(edit);
edit.addChild(new Node("Edit-Cut", "Cut 4", "/demo-test.faces", null, true, false));
edit.addChild(new Node("Edit-Copy", "Copy 4", "/demo-test.faces", null, true, false));
edit.addChild(new Node("Edit-Paste", "Paste 4", "/demo-test.faces", null, false, false));
treeGraph.setSelected(close);
}
return treeGraph;
}
public Graph getMenuGraph() {
// Construct a preconfigured customer list lazily.
if (menuGraph == null) {
Node root = new Node("Menu 2", "Menu", null, null, false, true);
menuGraph = new Graph(root);
Node file = new Node("File", "File 2", "/demo-test.faces", null, true, true);
root.addChild(file);
file.addChild(new Node("File-New", "New 2", "/demo-test.faces", null, true, false));
file.addChild(new Node("File-Open", "Open 2", "/demo-test.faces", null, true, false));
Node close = new Node("File-Close", "Close 2", "/demo-test.faces", null, false, false);
file.addChild(close);
file.addChild(new Node("File-Exit", "Exit 2", "/demo-test.faces", null, true, false));
Node edit = new Node("Edit", "Edit 2", "/demo-test.faces", null, true, false);
root.addChild(edit);
edit.addChild(new Node("Edit-Cut", "Cut 2", "/demo-test.faces", null, true, false));
edit.addChild(new Node("Edit-Copy", "Copy 2", "/demo-test.faces", null, true, false));
edit.addChild(new Node("Edit-Paste", "Paste 2", "/demo-test.faces", null, false, false));
menuGraph.setSelected(close);
}
return menuGraph;
}
