ExtensionNodeTypeCollection GetAllowedChildTypes(TreeIter it)
{
ExtensionNodeTypeCollection types = null;
Extension ext = (Extension)store.GetValue(it, ColExtension);
if (ext != null)
{
if (ext.Parent == null)
{
ExtensionPoint ep = (ExtensionPoint)store.GetValue(it, ColExtensionPoint);
types = ep.NodeSet.GetAllowedNodeTypes();
}
else
{
types = ext.GetAllowedNodeTypes();
}
}
ExtensionNodeDescription node = (ExtensionNodeDescription)store.GetValue(it, ColNode);
if (node != null)
{
ExtensionNodeType tn = node.GetNodeType();
if (tn != null)
{
types = tn.GetAllowedNodeTypes();
}
}
return(types);
}
void FillNodes(TreeIter iter, ExtensionNodeSet ns, ExtensionNodeDescriptionCollection nodes)
{
ExtensionNodeTypeCollection ntypes = ns.GetAllowedNodeTypes();
foreach (ExtensionNodeDescription node in nodes)
{
if (node.IsCondition)
{
FillNodes(iter, ns, nodes);
continue;
}
string id = node.Id;
ExtensionNodeType nt = ntypes [node.NodeName];
// The node can only be extended if it has an ID and if it accepts child nodes
if (id.Length > 0 && (nt.NodeTypes.Count > 0 || nt.NodeSets.Count > 0))
{
TreeIter citer = GetBranch(iter, id + " (" + nt.NodeName + ")", null);
store.SetValue(citer, ColObject, node);
store.SetValue(citer, ColShowCheck, true);
store.SetValue(citer, ColChecked, false);
FillExtensionNodeSet(citer, nt);
FillNodes(citer, nt, node.ChildNodes);
}
}
}
void UpdateButtons()
{
TreeIter iter;
if (!tree.Selection.GetSelected(out iter))
{
addNodeButton.Sensitive = false;
buttonRemove.Sensitive = false;
DisposeEditor();
return;
}
DisposeEditor();
ExtensionNodeDescription node = store.GetValue(iter, ColNode) as ExtensionNodeDescription;
if (node == null)
{
ExtensionPoint ep = (ExtensionPoint)store.GetValue(iter, ColExtensionPoint);
if (ep != null)
{
addNodeButton.Sensitive = true;
buttonRemove.Sensitive = false;
}
else
{
addNodeButton.Sensitive = false;
buttonRemove.Sensitive = false;
}
return;
}
ExtensionNodeType nt = node.GetNodeType();
if (nt == null)
{
return;
}
NodeEditorWidget editor = new NodeEditorWidget(data.Project, data.AddinRegistry, nt, adesc, node.GetParentPath(), node);
editorBox.AddWithViewport(editor);
editor.Show();
editor.BorderWidth = 3;
currentEditor = editor;
ExtensionNodeTypeCollection types = GetAllowedChildTypes(iter);
addNodeButton.Sensitive = types != null && types.Count > 0;
buttonRemove.Sensitive = true;
}
void PopulateNodeTypes(Gtk.Menu menu, TreeIter it)
{
ExtensionNodeTypeCollection types = GetAllowedChildTypes(it);
Extension ext = (Extension)store.GetValue(it, ColExtension);
ExtensionNodeDescription node = (ExtensionNodeDescription)store.GetValue(it, ColNode);
if (types != null && types.Count > 0)
{
if (menu.Children.Length > 0)
{
menu.Insert(new Gtk.SeparatorMenuItem(), -1);
}
foreach (ExtensionNodeType nt in types)
{
Gtk.ImageMenuItem mi = new Gtk.ImageMenuItem(AddinManager.CurrentLocalizer.GetString("Add node '{0}'", nt.NodeName));
menu.Insert(mi, -1);
ExtensionNodeType ntc = nt;
mi.Activated += delegate {
CreateNode(it, ext, node, ntc);
};
}
}
}