/// <summary>
/// Creates the root node for the content tree. If the current User does
/// not have access to the actual content tree root, then we'll display the
/// node that correlates to their StartNodeID
/// </summary>
/// <param name="rootNode"></param>
protected override void CreateRootNode(ref XmlTreeNode rootNode)
{
if (StartNodeID != -1)
{
Document doc = StartNode;
if (doc == null)
{
rootNode = new NullTree(this.app).RootNode;
rootNode.Text = "You do not have permission for this content tree";
rootNode.HasChildren = false;
rootNode.Source = string.Empty;
}
else
{
rootNode = CreateNode(doc, RootNodeActions);
}
}
else
{
if (IsDialog)
{
rootNode.Action = "javascript:openContent(-1);";
}
}
}
/// <summary>
/// Load an empty tree structure to show the end user that there was a problem loading the tree.
/// </summary>
private void LoadNullTree()
{
BaseTree nullTree = new NullTree(m_treeParams.Application);
nullTree.SetTreeParameters(m_treeParams);
nullTree.Render(ref m_xTree);
}
/// <summary>
/// Load an empty tree structure to show the end user that there was a problem loading the tree.
/// </summary>
private void LoadNullTree(TreeRequestParams treeParams)
{
BaseTree nullTree = new NullTree(treeParams.Application);
nullTree.SetTreeParameters(treeParams);
nullTree.Render(ref _xTree);
}
/// <summary>
/// Determines if it needs to render a null tree based on the start node id and returns true if it is the case.
/// </summary>
/// <param name="tree"></param>
/// <param name="startNodeId"></param>
/// <param name="rootNode"></param>
/// <param name="app"></param>
/// <returns></returns>
internal static bool SetNullTreeRootNode(this BaseTree tree, int startNodeId, ref XmlTreeNode rootNode, string app)
{
if (startNodeId == NoAccessId)
{
rootNode = new NullTree(app).RootNode;
rootNode.Text = "You do not have permission to view this tree";
rootNode.HasChildren = false;
rootNode.Source = string.Empty;
return(true);
}
if (startNodeId == NoChildNodesId)
{
rootNode = new NullTree(app).RootNode;
rootNode.Text = "[No start node found]";
rootNode.HasChildren = false;
rootNode.Source = string.Empty;
return(true);
}
return(false);
}