/// <summary>
/// Reloads the data.
/// </summary>
/// <returns>If reloading failed returns false, else returns true</returns>
public bool ReloadData()
{
try
{
MapProvider.ReloadData();
// Expand current node parent
if ((ExpandNodeID <= 0) && (SelectedNode != null))
{
ExpandNodeID = SelectedNode.NodeParentID;
}
// If expand node set, set the node to expand
if (ExpandNodeID > 0)
{
// Get node list to expand
expandNodes.Clear();
TreeNode node = TreeProvider.SelectSingleNode(ExpandNodeID, TreeProvider.ALL_CULTURES);
if (node != null)
{
TreeSiteMapNode targetNode = MapProvider.GetNodeByAliasPath(node.NodeAliasPath);
if (targetNode != null)
{
int targetNodeId = (int)targetNode.NodeData["NodeID"];
expandNodes.Add(targetNodeId);
while (targetNode.ParentNode != null)
{
int targetParentNodeId = (int)((TreeSiteMapNode)targetNode.ParentNode).NodeData["NodeID"];
expandNodes.Add(targetParentNodeId);
targetNode = (TreeSiteMapNode)targetNode.ParentNode;
}
}
}
}
treeElem.Nodes.Clear();
// Add root node
treeElem.Nodes.Add(CreateNode(RootNode, 0, false));
// Raise root node created event
RaiseRootNodeCreated();
return(true);
}
catch (Exception ex)
{
lblError.Text = GetString("ContentTree.FailedLoad");
EventLogProvider.LogException("ContentTree", "LOAD", ex, SiteContext.CurrentSiteID);
return(false);
}
}
public void ReloadData()
{
try
{
MapProvider.ReloadData();
// Expand current node parent
if ((ExpandNodeID <= 0) && (NodeID > 0))
{
if (SelectedNode != null)
{
ExpandNodeID = SelectedNode.NodeParentID;
}
}
// If expand node set, set the node to expand
if (ExpandNodeID > 0)
{
// Get node list to expand
expandNodes.Clear();
TreeNode node = TreeProvider.SelectSingleNode(ExpandNodeID, TreeProvider.ALL_CULTURES);
if (node != null)
{
TreeSiteMapNode targetNode = MapProvider.GetNodeByAliasPath(node.NodeAliasPath);
if (targetNode != null)
{
int targetNodeId = (int)targetNode.NodeData["NodeID"];
expandNodes.Add(targetNodeId);
while (targetNode.ParentNode != null)
{
int targetParentNodeId = (int)((TreeSiteMapNode)targetNode.ParentNode).NodeData["NodeID"];
expandNodes.Add(targetParentNodeId);
targetNode = (TreeSiteMapNode)targetNode.ParentNode;
}
}
}
}
treeElem.Nodes.Clear();
// Add root node
treeElem.Nodes.Add(CreateNode((TreeSiteMapNode)MapProvider.RootNode, 0, false));
}
catch (Exception ex)
{
lblError.Text = GetString("ContentTree.FailedLoad") + ": " + ex.Message;
lblError.ToolTip = EventLogProvider.GetExceptionLogMessage(ex);
}
}
/// <summary>
/// Ensures the given node within the tree.
/// </summary>
/// <param name="node">Node to ensure</param>
/// <param name="nodeId">Ensure by NodeID</param>
protected void EnsureNode(TreeNode node, int nodeId)
{
if (node == null)
{
// If not already exists, do not add
if (allNodes[nodeId] != null)
{
return;
}
else
{
// Get the node
node = TreeProvider.SelectSingleNode(nodeId, TreeProvider.ALL_CULTURES, true);
if (!SelectPublishedData)
{
node = DocumentHelper.GetDocument(node, TreeProvider);
}
}
}
else
{
nodeId = node.NodeID;
}
if (node != null)
{
// Get the correct parent node
System.Web.UI.WebControls.TreeNode parentNode = (System.Web.UI.WebControls.TreeNode)allNodes[node.NodeParentID];
if (parentNode != null)
{
// Expand the parent
parentNode.Expanded = true;
// If still not present, add the node
if (allNodes[nodeId] == null)
{
TreeSiteMapNode sourceNode = new TreeSiteMapNode(MapProvider, nodeId.ToString());
sourceNode.TreeNode = node;
System.Web.UI.WebControls.TreeNode newNode = CreateNode(sourceNode, 0, true);
// If MaxTreeNodes threshold reached, sourceNode must be placed before "Click here..." node
if (parentNode.ChildNodes.Count >= MaxTreeNodes)
{
parentNode.ChildNodes.AddAt(parentNode.ChildNodes.Count - 1, newNode);
}
else
{
parentNode.ChildNodes.Add(newNode);
}
}
}
else
{
// Get the correct node and add it to list of processed nodes
TreeSiteMapNode targetNode = MapProvider.GetNodeByAliasPath(node.NodeAliasPath);
if (targetNode != null)
{
List <int> procNodes = new List <int>();
procNodes.Add((int)targetNode.NodeData["NodeID"]);
if (targetNode.ParentNode != null)
{
// Repeat until existing parent node in allNodes is found
do
{
int targetParentNodeId = (int)((TreeSiteMapNode)targetNode.ParentNode).NodeData["NodeID"];
procNodes.Add(targetParentNodeId);
targetNode = (TreeSiteMapNode)targetNode.ParentNode;
} while ((targetNode.ParentNode != null) && (allNodes[(int)(((TreeSiteMapNode)(targetNode.ParentNode)).NodeData["NodeID"])] == null));
}
// Process nodes in reverse order
procNodes.Reverse();
if (!procNodes.Any(p => (p <= 0)))
{
foreach (int nodeID in procNodes)
{
EnsureNode(null, nodeID);
}
}
}
}
}
}
