/** Gets the GUI component for this pane. */
public JComponent getGUI() {
if (cwp == null) {
Object object = mWhiteBoard.get("device_definition");
Object ctx_obj = mWhiteBoard.get("context");
if (null != object
&& object instanceof ConfigDefinition
&& null != ctx_obj
&& ctx_obj instanceof ConfigContext) {
mConfigContext = (ConfigContext) ctx_obj;
ConfigDefinition def = (ConfigDefinition) object;
String token = def.getToken();
// Create a temporary list of ConfigDefinitions to pass to factory.
java.util.List def_list = new ArrayList();
def_list.add(def);
// Initialize a ConfigElementFactory with the needed
// ConfigDefinition. And create a new ConfigElement.
ConfigElementFactory temp_factory = new ConfigElementFactory(def_list);
mConfigElement = temp_factory.create("New " + token, def);
List list = CustomEditorRegistry.findEditors(token);
Color start_color = new Color(160, 160, 180);
Object color = UIManager.get("window");
if (null != color && color instanceof Color) {
start_color = (Color) color;
} else {
System.out.println("Could not get the desktop color from the UIManager.");
}
// XXX:This will be used after making findEditors -> findEditor
// if(null != editor)
if (null == list || list.size() == 0) {
System.out.println("No CustomEditors registered for token: " + token);
JScrollPane scroll_pane = new JScrollPane();
PropertySheet element_prop_sheet =
PropertySheetFactory.instance()
.makeSheet(mConfigContext, mConfigElement, start_color);
scroll_pane.getViewport().removeAll();
scroll_pane.getViewport().add(element_prop_sheet, null);
cwp = scroll_pane;
} else if (null != list && list.size() > 0) {
CustomEditor editor = (CustomEditor) list.get(0);
cwp = (JComponent) editor.getPanel();
editor.setConfig(mConfigContext, mConfigElement);
}
}
}
// cwp.init(mWhiteBoard);
return cwp;
}
/** Clears the data in the model. */
private void clear() {
// Stop listening to all config elements in the tree
List nodes = getNodesOfClass(ConfigElement.class);
for (Iterator itr = nodes.iterator(); itr.hasNext(); ) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) itr.next();
ConfigElement elt = (ConfigElement) node.getUserObject();
elt.removeConfigElementListener(mElementListener);
}
// Clear out all the old nodes from the tree.
((DefaultMutableTreeNode) getRoot()).removeAllChildren();
}
/**
* Gets a list of the nodes in this model that contain an object of the given class starting with
* the given node.
*
* @param cls the class to search for
* @param node the node whose subtree will be searched
* @return a list of matching DefaultMutableTreeNodes
*/
public List getNodesOfClass(Class cls, DefaultMutableTreeNode node) {
List matches = new ArrayList();
// Check if the current node matches
if (cls.isInstance(node.getUserObject())) {
matches.add(node);
}
// Recurse to the children of the current node
for (Enumeration e = node.children(); e.hasMoreElements(); ) {
DefaultMutableTreeNode child = (DefaultMutableTreeNode) e.nextElement();
matches.addAll(getNodesOfClass(cls, child));
}
return matches;
}
/**
* This gets called whenever one of the ConfigElements we are editing has the values of a
* property get reordered.
*/
public void propertyValueOrderChanged(ConfigElementEvent evt) {
ConfigElement src = (ConfigElement) evt.getSource();
int idx = evt.getIndex();
PropertyDefinition prop_def = src.getDefinition().getPropertyDefinition(evt.getProperty());
DefaultMutableTreeNode elt_node = getNodeFor(src);
// Get the node containing the property description under the source
// ConfigElement node.
for (Enumeration e = elt_node.children(); e.hasMoreElements(); ) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();
if (node.getUserObject().equals(prop_def)) {
int start_index = Math.min(evt.getIndex0(), evt.getIndex1());
int end_index = Math.max(evt.getIndex0(), evt.getIndex1());
List removed_children = new ArrayList();
for (int c = start_index; c <= end_index; ++c) {
removed_children.add(getChild(node, c));
}
for (Iterator c = removed_children.iterator(); c.hasNext(); ) {
removeNodeFromParent((MutableTreeNode) c.next());
}
String prop_token = prop_def.getToken();
for (int v = start_index; v <= end_index; ++v) {
if (prop_def.getType() != ConfigElement.class) {
// Create a new node for the reordered property value.
DefaultMutableTreeNode new_node =
new DefaultMutableTreeNode(src.getProperty(prop_token, v));
// Add the new node into the tree.
insertNodeInto(new_node, node, v);
} else {
// Embedded elements are handled specially in that all of
// their respective child properties and such also need to
// be added to the tree at this time.
ConfigElement cur_value = (ConfigElement) src.getProperty(prop_token, v);
addEmbeddedElement(node, cur_value, v);
}
}
}
}
}