/// <summary>
/// Creates node.
/// </summary>
/// <param name="uniNode">Node to create</param>
protected TreeNode CreateNode(UniTreeNode uniNode)
{
var data = (DataRow)uniNode.ItemData;
if (data == null)
{
return(null);
}
TreeNode node = new TreeNode();
// Get data
int childNodesCount = 0;
if (!String.IsNullOrEmpty(ProviderObject.ChildCountColumn))
{
childNodesCount = ValidationHelper.GetInteger(data[ProviderObject.ChildCountColumn], 0);
}
// Node ID
int nodeId = 0;
if (!String.IsNullOrEmpty(ProviderObject.IDColumn))
{
nodeId = ValidationHelper.GetInteger(data[ProviderObject.IDColumn], 0);
}
// Node value
string nodeValue = String.Empty;
if (!String.IsNullOrEmpty(ProviderObject.ValueColumn))
{
nodeValue = nodeId.ToString();
}
string objectType = String.Empty;
if (!String.IsNullOrEmpty(ProviderObject.ObjectTypeColumn))
{
objectType = ValidationHelper.GetString(data[ProviderObject.ObjectTypeColumn], "");
// Add object type to value
nodeValue += "_" + objectType;
}
// Caption
string displayName = String.Empty;
if (!String.IsNullOrEmpty(ProviderObject.CaptionColumn))
{
displayName = HTMLHelper.HTMLEncode(ResHelper.LocalizeString(ValidationHelper.GetString(data[ProviderObject.CaptionColumn], "")));
}
// Display name, if caption is empty (or non existent)
if (!String.IsNullOrEmpty(ProviderObject.DisplayNameColumn) && String.IsNullOrEmpty(displayName))
{
displayName = HTMLHelper.HTMLEncode(ResHelper.LocalizeString(ValidationHelper.GetString(data[ProviderObject.DisplayNameColumn], "")));
}
// Path
string nodePath = String.Empty;
if (!String.IsNullOrEmpty(ProviderObject.PathColumn))
{
nodePath = HTMLHelper.HTMLEncode(ValidationHelper.GetString(data[ProviderObject.PathColumn], "")).ToLowerCSafe();
}
// Parent ID
int parentId = 0;
if (!String.IsNullOrEmpty(ProviderObject.ParentIDColumn))
{
parentId = ValidationHelper.GetInteger(data[ProviderObject.ParentIDColumn], 0);
}
// Parameter
string parameter = String.Empty;
if (!String.IsNullOrEmpty(ProviderObject.ParameterColumn))
{
parameter = HTMLHelper.HTMLEncode(ValidationHelper.GetString(data[ProviderObject.ParameterColumn], "")).ToLowerCSafe();
}
int nodeLevel = 0;
if (!String.IsNullOrEmpty(ProviderObject.LevelColumn))
{
nodeLevel = ValidationHelper.GetInteger(data[ProviderObject.LevelColumn], 0);
}
// Set navigation URL to current page
node.NavigateUrl = RequestContext.CurrentURL + "#";
// Set value
node.Value = nodeValue;
// Get tree icon
var treeIcon = GetNodeIconMarkup(uniNode, data);
// Set text
string text;
string selectedItem = ValidationHelper.GetString(SelectedItem, "");
string selectPathLowered = SelectPath.ToLowerCSafe();
if (nodeValue.EqualsCSafe(selectedItem, true) || ((selectPathLowered == nodePath) && String.IsNullOrEmpty(selectedItem)))
{
text = ReplaceMacros(SelectedNodeTemplate, nodeId, childNodesCount, displayName, treeIcon, parentId, objectType, parameter);
}
else
{
text = ReplaceMacros(NodeTemplate, nodeId, childNodesCount, displayName, treeIcon, parentId, objectType, parameter);
}
if (UsePostBack)
{
text = "<span onclick=\"" + ControlsHelper.GetPostBackEventReference(this, nodeValue + ";" + nodePath) + "\">" + text + "</span>";
}
node.Text = text;
// Set populate node automatically
if (childNodesCount != 0)
{
node.PopulateOnDemand = true;
}
// Expand tree
if (ExpandAll)
{
node.Expanded = true;
}
else if (CollapseAll)
{
node.Expanded = false;
}
else
{
// Handle expand path
if (!nodePath.EndsWith("/", StringComparison.OrdinalIgnoreCase))
{
nodePath += "/";
}
string expandPathLowered = ExpandPath.ToLowerCSafe();
if (selectPathLowered.StartsWithCSafe(nodePath) && (selectPathLowered != nodePath))
{
node.Expanded = true;
}
else if ((expandPathLowered.StartsWithCSafe(nodePath)))
{
node.Expanded = true;
}
else
// Path expanded by user
if (selectedPath.StartsWithCSafe(nodePath) && (selectedPath != nodePath))
{
node.Expanded = true;
}
// Expand all roots for multiple roots tree
else if ((parentId == 0) && MultipleRoots)
{
node.Expanded = true;
}
else
{
node.Expanded = false;
}
}
// Expand level
if ((ExpandLevel != 0) && !CollapseAll)
{
node.Expanded = nodeLevel <= ExpandLevel;
}
return(node);
}
/// <summary>
/// Creates node.
/// </summary>
/// <param name="uniNode">Node to create</param>
protected TreeNode CreateNode(UniTreeNode uniNode)
{
DataRow dr = (DataRow)uniNode.ItemData;
if (dr != null)
{
TreeNode node = new TreeNode();
// Get data
int childNodesCount = 0;
if (!string.IsNullOrEmpty(ProviderObject.ChildCountColumn))
{
childNodesCount = ValidationHelper.GetInteger(dr[ProviderObject.ChildCountColumn], 0);
}
// Node ID
int nodeID = 0;
if (!string.IsNullOrEmpty(ProviderObject.IDColumn))
{
nodeID = ValidationHelper.GetInteger(dr[ProviderObject.IDColumn], 0);
}
// Node value
string nodeValue = string.Empty;
if (!string.IsNullOrEmpty(ProviderObject.ValueColumn))
{
nodeValue = nodeID.ToString();
}
string objectType = string.Empty;
if (!string.IsNullOrEmpty(ProviderObject.ObjectTypeColumn))
{
objectType = ValidationHelper.GetString(dr[ProviderObject.ObjectTypeColumn], "");
// Add object type to value
nodeValue += "_" + objectType;
}
// Display name
string displayName = string.Empty;
if (!string.IsNullOrEmpty(ProviderObject.DisplayNameColumn))
{
displayName = HTMLHelper.HTMLEncode(ResHelper.LocalizeString(ValidationHelper.GetString(dr[ProviderObject.DisplayNameColumn], "")));
}
// Path
string nodePath = string.Empty;
if (!string.IsNullOrEmpty(ProviderObject.PathColumn))
{
nodePath = HTMLHelper.HTMLEncode(ValidationHelper.GetString(dr[ProviderObject.PathColumn], "")).ToLowerCSafe();
}
// Parent ID
int parentID = 0;
if (!string.IsNullOrEmpty(ProviderObject.ParentIDColumn))
{
parentID = ValidationHelper.GetInteger(dr[ProviderObject.ParentIDColumn], 0);
}
// Parameter
string parameter = string.Empty;
if (!string.IsNullOrEmpty(ProviderObject.ParameterColumn))
{
parameter = HTMLHelper.HTMLEncode(ValidationHelper.GetString(dr[ProviderObject.ParameterColumn], "")).ToLowerCSafe();
}
int nodeLevel = 0;
if (!String.IsNullOrEmpty(ProviderObject.LevelColumn))
{
nodeLevel = ValidationHelper.GetInteger(dr[ProviderObject.LevelColumn], 0);
}
node.NavigateUrl = URLRewriter.CurrentURL + "#";
// Set value
node.Value = nodeValue;
// Get image html tag
string imgPath = string.Empty;
if (!string.IsNullOrEmpty(ProviderObject.ImageColumn))
{
imgPath = ResolveUrl(ValidationHelper.GetString(dr[ProviderObject.ImageColumn], ""));
}
if (string.IsNullOrEmpty(imgPath))
{
imgPath = ResolveUrl(DefaultImagePath);
}
if (OnGetImage != null)
{
imgPath = ResolveUrl(OnGetImage(uniNode));
}
string imgTag = string.Empty;
if (!string.IsNullOrEmpty(imgPath))
{
imgTag = "<img class=\"TreeItemImage\" alt=\"" + ResHelper.LocalizeString(displayName) + "\" src=\"" + HTMLHelper.HTMLEncode(imgPath) + "\"/>";
}
// Set text
string text = null;
string selectedItem = ValidationHelper.GetString(SelectedItem, "");
string selectPathLowered = SelectPath.ToLowerCSafe();
if (nodeValue.EqualsCSafe(selectedItem, true) || ((selectPathLowered == nodePath) && string.IsNullOrEmpty(selectedItem)))
{
text = ReplaceMacros(SelectedNodeTemplate, nodeID, childNodesCount, displayName, imgTag, parentID, objectType, parameter);
}
else
{
text = ReplaceMacros(NodeTemplate, nodeID, childNodesCount, displayName, imgTag, parentID, objectType, parameter);
}
if (UsePostBack)
{
text = "<span onclick=\"" + ControlsHelper.GetPostBackEventReference(this, nodeValue + ";" + nodePath) + "\">" + text + "</span>";
}
node.Text = text;
// Set populate node automatically
if (childNodesCount != 0)
{
node.PopulateOnDemand = true;
}
// Expand tree
if (ExpandAll)
{
node.Expanded = true;
}
else if (CollapseAll)
{
node.Expanded = false;
}
else
{
// Handle expand path
if (!nodePath.EndsWith("/"))
{
nodePath += "/";
}
string expandPathLowered = ExpandPath.ToLowerCSafe();
// SelectPath property
if (selectPathLowered.StartsWithCSafe(nodePath) && (selectPathLowered != nodePath))
{
node.Expanded = true;
}
// ExpandPath property
else if ((expandPathLowered.StartsWithCSafe(nodePath)))
{
node.Expanded = true;
}
// Path expanded by user
else if (selectedPath.StartsWithCSafe(nodePath) && (selectedPath != nodePath))
{
node.Expanded = true;
}
else
{
node.Expanded = false;
}
}
// Expand level
if ((ExpandLevel != 0) && !CollapseAll)
{
node.Expanded = nodeLevel <= ExpandLevel;
}
return(node);
}
return(null);
}