/// <summary>
/// Render out the bullet list (ul , li)
/// </summary>
/// <param name="writer">Html Text Writer</param>
/// <param name="nodes">SiteMapNodeCollection to traverse</param>
/// <param name="depthTravelled">How far down the nodes to go</param>
private void RenderSiteMapLevelAsBulletedList(HtmlTextWriter writer, SiteMapNodeCollection nodes, int depthTravelled)
{
depthTravelled++;
foreach (SiteMapNode node in nodes)
{
if (Convert.ToBoolean(ConfigurationManager.AppSettings["skipBlog"], CultureInfo.CurrentCulture) && node.Title == ConfigurationManager.AppSettings["blogNodeTitle"].ToString())
{
continue;
}
if (node == this.DataSource.Provider.CurrentNode)
{
writer.AddAttribute(HtmlTextWriterAttribute.Class, "currentNode");
}
writer.RenderBeginTag(HtmlTextWriterTag.Li);
if (node.Url != null && node.Url.Length > 0)
{
writer.AddAttribute(HtmlTextWriterAttribute.Href, CrossReferencesControl.StripCrossRefMarkerOff(node.Url));
writer.AddAttribute(HtmlTextWriterAttribute.Title, string.Format(CultureInfo.CurrentCulture, SiteMapListControl.SiteMapAnchorTitlePrefix, node.Description));
writer.RenderBeginTag(HtmlTextWriterTag.A);
writer.WriteEncodedText(node.Title);
writer.RenderEndTag(); // close anchor
}
else
{
writer.RenderBeginTag(HtmlTextWriterTag.Div);
writer.WriteEncodedText(node.Title);
writer.RenderEndTag(); // close span
}
// Add any children levels, if needed (recursively)
if (node.HasChildNodes && (this.Depth == 0 || this.Depth > depthTravelled))
{
writer.RenderBeginTag(HtmlTextWriterTag.Ul);
this.RenderSiteMapLevelAsBulletedList(writer, node.ChildNodes, depthTravelled);
writer.RenderEndTag();
}
writer.RenderEndTag();
}
}
/// <summary>
/// Init time processing
/// </summary>
/// <param name="e">Event Argument.</param>
protected override void OnInit(EventArgs e)
{
this.CrossReferencesTable.SiteMapNodes = CrossReferencesControl.GetSiteMapNodesForCrossReferences(this.SiteMapDS);
base.OnInit(e);
}
/// <summary>
/// Render out the cross referneces table
/// </summary>
/// <param name="writer">Html Text Writer</param>
private void RenderTable(HtmlTextWriter writer)
{
List <SiteMapNode> crossReferenceCategories = new List <SiteMapNode>();
List <SiteMapNode> crossReferences = new List <SiteMapNode>();
writer.AddAttribute("summary", string.Format(CultureInfo.CurrentCulture, CrossReferenceTableSummary, this.BuildCategoryText()));
writer.RenderBeginTag(HtmlTextWriterTag.Table);
writer.AddAttribute(HtmlTextWriterAttribute.Width, "50%");
writer.RenderBeginTag(HtmlTextWriterTag.Col);
writer.RenderEndTag();
writer.AddAttribute(HtmlTextWriterAttribute.Width, "50%");
writer.RenderBeginTag(HtmlTextWriterTag.Col);
writer.RenderEndTag();
// Write out the Cross References table header
writer.RenderBeginTag(HtmlTextWriterTag.Thead);
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
foreach (SiteMapNode crossReferenceCategory in this.SiteMapNodes)
{
crossReferenceCategories.Add(crossReferenceCategory);
writer.RenderBeginTag(HtmlTextWriterTag.Th);
writer.WriteEncodedText(crossReferenceCategory.Title);
writer.RenderEndTag();
// Whilst iterating get all cross reference nodes into a single array
foreach (SiteMapNode node in crossReferenceCategory.ChildNodes)
{
crossReferences.Add(node);
}
}
writer.RenderEndTag();
writer.RenderEndTag();
// THEAD rendered open a TBODY
writer.RenderBeginTag(HtmlTextWriterTag.Tbody);
ArrayList written = new ArrayList(crossReferences.Count);
bool moreRowsNeeded = true;
do
{
bool moveToNextRow = false;
bool[] crossRefWrittenForCategory = new bool[crossReferenceCategories.Count];
List <SiteMapNode> siteMapNodesForRow = new List <SiteMapNode>();
int crossReferenceIndex = 0;
while (moveToNextRow == false && crossReferenceIndex < crossReferences.Count)
{
// If the cross reference has not been written...
if (written.Contains(crossReferences[crossReferenceIndex].Title) == false)
{
// ... check that we have not already written one for that Category
// and if not write it out
SiteMapNode crossReference = crossReferences[crossReferenceIndex];
if (crossRefWrittenForCategory[crossReferenceCategories.IndexOf(crossReference.ParentNode)] == false)
{
siteMapNodesForRow.Add(crossReference);
}
else if (crossRefWrittenForCategory.Length == crossReferenceCategories.Count)
{
// We have written ONE entry for each of the categories.
// We only write a SINGLE entryu per row per category so time to move to next Row
moveToNextRow = true;
}
if (written.Count + siteMapNodesForRow.Count == crossReferences.Count)
{
moveToNextRow = true;
}
}
crossReferenceIndex++;
}
// If we have some SiteMapNodes for the row so render them
if (siteMapNodesForRow.Count > 0)
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
// Write out all cross references for row
for (int cellIndex = 0; cellIndex < crossReferenceCategories.Count; cellIndex++)
{
writer.RenderBeginTag(HtmlTextWriterTag.Td);
foreach (SiteMapNode node in siteMapNodesForRow)
{
if (node.ParentNode == crossReferenceCategories[cellIndex])
{
// Render out the title and description for the Cross Reference link. Rather than use whatever text
// is set in the Cross Reference SiteMapNode, always use that from the SiteMapNode
// that is being cross referenced i.e. the destination of the cross reference
// Get the destination node by looking up the cross reference's url minus its CrossRef marker
SiteMapNode crossReferenceDestinationNode = node.Provider.FindSiteMapNode(CrossReferencesControl.StripCrossRefMarkerOff(node.Url));
if (crossReferenceDestinationNode == null)
{
throw new ApplicationException("Unable to find a cross-referenced item in the sitemap '" + node.Url + "'");
}
writer.AddAttribute(HtmlTextWriterAttribute.Href, CrossReferencesControl.StripCrossRefMarkerOff(node.Url));
writer.AddAttribute(HtmlTextWriterAttribute.Title, string.Format(CultureInfo.CurrentCulture, CrossReferencesControl.CrossReferenceAnchorTitlePrefix, crossReferenceDestinationNode.Description));
writer.RenderBeginTag(HtmlTextWriterTag.A);
writer.WriteEncodedText(crossReferenceDestinationNode.Title);
writer.RenderEndTag(); // close anchor
// Add the title of the node to the list of written nodes
written.Add(node.Title);
break;
}
}
writer.RenderEndTag(); // Close TD
}
writer.RenderEndTag(); // Close TR
}
// If we have written all the cross references no moreRowsNeeded
if (written.Count == crossReferences.Count)
{
moreRowsNeeded = false;
}
}while (moreRowsNeeded == true);
writer.RenderEndTag(); // Closes TBODY
writer.RenderEndTag(); // Close TABLE
}
