private void BlogRollItem_Saved(object sender, SavedEventArgs e)
{
if (e.Action == SaveAction.Insert || e.Action == SaveAction.Update || e.Action == SaveAction.Delete)
{
if (e.Action == SaveAction.Insert)
{
AddBlog((BlogRollItem)sender);
}
else if (e.Action == SaveAction.Delete)
{
blogRequest affected = null;
foreach (blogRequest req in _Items)
{
if (req.RollItem.Equals(sender))
{
affected = req;
break;
}
}
_Items.Remove(affected);
}
if (_Items.Count > 0)
{
// Re-sort _Items collection in case sorting of blogroll items was changed.
_Items.Sort(delegate(blogRequest br1, blogRequest br2) { return(br1.RollItem.CompareTo(br2.RollItem)); });
}
}
}
/// <summary>
/// Gets the request and processes the response.
/// </summary>
private static void ProcessRespose(IAsyncResult async)
{
blogRequest blogReq = (blogRequest)async.AsyncState;
try
{
using (HttpWebResponse response = (HttpWebResponse)blogReq.Request.EndGetResponse(async))
{
XmlDocument doc = new XmlDocument();
doc.Load(response.GetResponseStream());
XmlNodeList nodes = doc.SelectNodes("rss/channel/item");
foreach (XmlNode node in nodes)
{
string title = node.SelectSingleNode("title").InnerText;
string link = node.SelectSingleNode("link").InnerText;
DateTime date = DateTime.Now;
if (node.SelectSingleNode("pubDate") != null)
{
date = DateTime.Parse(node.SelectSingleNode("pubDate").InnerText);
}
blogReq.ItemTitles.Add(title);
blogReq.ItemLinks.Add(link);
}
}
}
catch
{ }
}
private void AddRssChildItems(blogRequest item, HtmlGenericControl li)
{
if (item.ItemTitles.Count > 0 && BlogSettings.Instance.BlogrollVisiblePosts > 0)
{
HtmlGenericControl div = new HtmlGenericControl("ul");
for (int i = 0; i < item.ItemTitles.Count; i++)
{
if (i >= BlogSettings.Instance.BlogrollVisiblePosts)
{
break;
}
HtmlGenericControl subLi = new HtmlGenericControl("li");
HtmlAnchor a = new HtmlAnchor();
a.HRef = item.ItemLinks[i];
a.Title = HttpUtility.HtmlEncode(item.ItemTitles[i]);
a.InnerHtml = EnsureLength(item.ItemTitles[i]);
subLi.Controls.Add(a);
div.Controls.Add(subLi);
}
li.Controls.Add(div);
}
}
/// <summary>
/// Adds a blog to the item collection and start retrieving the blogs.
/// </summary>
private static void AddBlog(BlogEngine.Core.BlogRollItem br)
{
blogRequest affected = null;
foreach (blogRequest req in _Items)
{
if (req.RollItem.Equals(br))
{
affected = req;
break;
}
}
if (affected == null)
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(br.FeedUrl);
req.Credentials = CredentialCache.DefaultNetworkCredentials;
blogRequest bReq = new blogRequest(br, req);
_Items.Add(bReq);
req.BeginGetResponse(ProcessRespose, bReq);
}
}
/// <summary>
/// Adds a blog to the item collection and start retrieving the blogs.
/// </summary>
private static void AddBlog(BlogEngine.Core.BlogRollItem br)
{
blogRequest affected = null;
foreach (blogRequest req in _Items)
{
if (req.RollItem.Equals(br))
{
affected = req;
break;
}
}
if (affected == null)
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(br.FeedUrl);
req.Credentials = CredentialCache.DefaultNetworkCredentials;
blogRequest bReq = new blogRequest(br, req);
_Items.Add(bReq);
req.BeginGetResponse(ProcessRespose, bReq);
}
}
private void AddRssChildItems(blogRequest item, HtmlGenericControl li)
{
if (item.ItemTitles.Count > 0 && BlogSettings.Instance.BlogrollVisiblePosts > 0)
{
HtmlGenericControl div = new HtmlGenericControl("ul");
for (int i = 0; i < item.ItemTitles.Count; i++)
{
if (i >= BlogSettings.Instance.BlogrollVisiblePosts) break;
HtmlGenericControl subLi = new HtmlGenericControl("li");
HtmlAnchor a = new HtmlAnchor();
a.HRef = item.ItemLinks[i];
a.Title = HttpUtility.HtmlEncode(item.ItemTitles[i]);
a.InnerHtml = EnsureLength(item.ItemTitles[i]);
subLi.Controls.Add(a);
div.Controls.Add(subLi);
}
li.Controls.Add(div);
}
}
