protected string buildBreadcrumbs(TreeNode startingNode)
{
if (startingNode == null)
return "<span class=\"breadCrumLabel\">Path</span>";
string internalValuePath = (string)startingNode.GetType().InvokeMember("InternalValuePath", System.Reflection.BindingFlags.Default | System.Reflection.BindingFlags.GetProperty | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance, null, startingNode, null);
string postBackUrl = this.Page.ClientScript.GetPostBackClientHyperlink(this.tv, "s" + internalValuePath, true);
string breadcrumSeparatorImageUrl = this.getImageUrl("breadcrumseparator.gif");
string separator = String.Format("<span class=\"breadCrumSeparator\"> <img src=\"{0}\" alt=\">>\" title=\">>\" /> </span>", breadcrumSeparatorImageUrl);
string nodeText = startingNode.Parent != null ? startingNode.Text : "Storage";
string breadCrum;
if (startingNode == this.tv.SelectedNode)
{
string template = "<span class=\"breadCrumLast\" title=\"{1}\"><img src=\"{0}\" alt=\"{1}\" title=\"{1}\" /> {2}</span> ";
breadCrum = String.Format(template, startingNode.ImageUrl, Utility.QuoteJScriptString(startingNode.ToolTip, false), Utility.QuoteJScriptString(nodeText, false));
}
else
{
string template = "<a href=\"{0}\" title=\"{1}\" class=\"breadCrum\"><img src=\"{2}\" alt=\"{3}\" title=\"{3}\" /> {4}</a> ";
breadCrum = String.Format(template, postBackUrl, Utility.QuoteJScriptString(startingNode.ToolTip, false), startingNode.ImageUrl, Utility.QuoteJScriptString(startingNode.ToolTip, false), Utility.QuoteJScriptString(nodeText, false));
}
string result = this.buildBreadcrumbs(startingNode.Parent) + separator + breadCrum;
if (result.StartsWith(separator))
result = result.Substring(separator.Length);
return result;
}
object IStateManager.SaveViewState()
{
object[] state = null;
bool hasData = false;
if (dirty)
{
if (items.Count > 0)
{
hasData = true;
state = new object [items.Count + 1];
state [0] = true;
for (int n = 0; n < items.Count; n++)
{
TreeNode node = items [n] as TreeNode;
object ns = ((IStateManager)node).SaveViewState();
Type type = node.GetType();
state [n + 1] = new Pair(type == typeof(TreeNode) ? null : type, ns);
}
}
}
else
{
ArrayList list = new ArrayList();
for (int n = 0; n < items.Count; n++)
{
TreeNode node = items[n] as TreeNode;
object ns = ((IStateManager)node).SaveViewState();
if (ns != null)
{
hasData = true;
list.Add(new Pair(n, ns));
}
}
if (hasData)
{
list.Insert(0, false);
state = list.ToArray();
}
}
if (hasData)
{
return(state);
}
else
{
return(null);
}
}