protected void LinkButton3_Click(object sender, EventArgs e)
{
_data = YouTubeWidgetData.LoadFromSettings(WidgetHost.GetHost(this).WidgetInfo.Settings);
_data.YouTubeFeedCount--;
WidgetHost.GetHost(this).Save(_data.ToXml());
MainView();
}
protected void MainView()
{
try
{
_data = YouTubeWidgetData.LoadFromSettings(_host.WidgetInfo.Settings);
if (!_data.YouTubeFeedURL.Equals(""))
{
List<YouTubeWidgetRepeaterData> dataItems = new List<YouTubeWidgetRepeaterData>();
XmlDocument xmldoc = new XmlDocument();
int count = 0;
lblData.Text = @"<style>.YouTube img{max-width:100%;} .YouTube embed{max-width:100%;}</style>";
WebRequest request;
if (_data.YouTubeFeedTitle == "Search") //search URL already has parameter using ? so &max-result has to be used.
{
request = WebRequest.Create(_data.YouTubeFeedURL + @"&max-results=" + _data.YouTubeFeedCount.ToString());
}
else
{
request = WebRequest.Create(_data.YouTubeFeedURL + @"?max-results=" + _data.YouTubeFeedCount.ToString());
}
_host.Title = "YouTube : " + _data.YouTubeFeedTitle;
request.Timeout = 5000;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream resStream = response.GetResponseStream();
xmldoc.Load(resStream);
XmlNode root = xmldoc.FirstChild;
while (root.LocalName != "feed")
{
root = root.NextSibling;
}
XmlNodeList feedNodes = root.ChildNodes;
foreach (XmlNode tempNode in feedNodes)
{
if (tempNode.Name.Equals("entry"))
{
YouTubeWidgetRepeaterData temp = new YouTubeWidgetRepeaterData();
XmlNodeList entryNodes = tempNode.ChildNodes;
foreach (XmlNode entryItem in entryNodes)
{
if (entryItem.Name.Equals("content"))
{
string contentFeed = entryItem.InnerText;
// truncate the feed by x number of words
string[] truncateTheFeed = contentFeed.Split(' ');
string truncatedContentFeed = "";
int x = 0;
foreach (string s in truncateTheFeed)
{
if (x < 20)
{
truncatedContentFeed += " " + s;
x++;
}
}
//then shorten any URLs found in the feed
string pattern = "c";
if (Regex.IsMatch(truncatedContentFeed, pattern))
{
foreach (Match match in Regex.Matches(truncatedContentFeed, pattern))
{
if (match.Length > 20)
{
string newmatch = "<a href=\"" + match + "\">" + match.ToString().Substring(0, 20) + "...</a>";
truncatedContentFeed = truncatedContentFeed.Replace(match.ToString(), newmatch);
}
}
}
temp.content = truncatedContentFeed + "...";
}
else if (entryItem.Name.Equals("summary"))
{
temp.summary = entryItem.InnerText;
}
else if (entryItem.Name.Equals("title"))
{
temp.contentTitle = entryItem.InnerText;
}
else if (entryItem.Name.Equals("media:group"))
{
XmlNodeList mediaNodes = entryItem.ChildNodes;
bool foundMediaSrc = false;
foreach (XmlNode media in mediaNodes)
{
if (media.Name.Equals("media:content") && !foundMediaSrc)
{
XmlAttributeCollection attrs = media.Attributes;
string tempSrc = "";
foreach (XmlAttribute attr in attrs)
{
if (attr.Name.Equals("url"))
{
tempSrc = attr.Value;
}
else if (attr.Name.Equals("type") && attr.Value.Equals("application/x-shockwave-flash"))
{
foundMediaSrc = true;
}
}
if (foundMediaSrc)
{
temp.mediaSrc = tempSrc;
}
}
}
}
else if (entryItem.Name.Equals("link"))
{
XmlAttributeCollection atts = entryItem.Attributes;
string tempUrl = "";
bool isCorrectUrl = false;
foreach (XmlAttribute att in atts)
{
if (att.Name.Equals("href"))
{
tempUrl = att.Value;
}
if (att.Name.Equals("rel") && att.Value.Equals("alternate"))
{
isCorrectUrl = true;
}
}
if (isCorrectUrl)
{
temp.url = tempUrl;
}
}
}
if (temp.content == string.Empty)
{
temp.content = temp.summary;
}
if (!temp.mediaSrc.Equals(""))
{
temp.content += @"<object id=""youtube" + _host.WidgetInfo.ID.ToString() + @"widget" + count.ToString() + @""" classid=""clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"" codebase=""http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"" width=""100%"" id=""movie"" align=""""><param name=""movie"" value=""" + temp.mediaSrc + @".swf""><embed quality=""high"" width=""100%"" name=""movie"" align="""" type=""application/x-shockwave-flash"" src=""" + temp.mediaSrc + @".swf"" plug inspage=""http://www.macromedia.com/go/getflashplayer""></object>";
}
temp.hostid = _host.WidgetInfo.ID.ToString();
temp.count = count.ToString();
dataItems.Add(temp);
count++;
}
}
Repeater1.DataSource = dataItems.ToArray();
Repeater1.DataBind();
Repeater1.Visible = true;
if (_data.YouTubeFeedCount <= 1)
{
LinkButton3.Visible = false;
}
else
{
LinkButton3.Visible = true;
}
LinkButton2.Visible = true;
}
else
{
lblData.Text = "No YouTube Feed Selected";
LinkButton2.Visible = false;
LinkButton3.Visible = false;
}
}
catch
{
lblData.Text = "YouTube Feed Error";
Repeater1.Visible = false;
}
if (_data.YouTubeFeedCount <= 1)
{
LinkButton3.Visible = false;
}
ViewSet.SetActiveView(View);
}
public static YouTubeWidgetData LoadFromSettings(string settings)
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(YouTubeWidgetData));
YouTubeWidgetData retVal;
byte[] data = ASCIIEncoding.Default.GetBytes(settings);
using (MemoryStream memStream = new MemoryStream(data))
{
try
{
retVal = (YouTubeWidgetData)xmlSerializer.Deserialize(memStream);
}
catch
{
retVal = new YouTubeWidgetData();
}
}
return retVal;
}
protected void Repeater2_ItemCommand(object source, RepeaterCommandEventArgs e)
{
try
{
GenerateFeedList();
_data = YouTubeWidgetData.LoadFromSettings(WidgetHost.GetHost(this).WidgetInfo.Settings);
_data.YouTubeFeedURL = feeds[e.Item.ItemIndex].FeedUrl;
_data.YouTubeFeedTitle = feeds[e.Item.ItemIndex].FeedName;
WidgetHost.GetHost(this).Save(_data.ToXml());
MainView();
}
catch
{
ViewSet.SetActiveView(View);
}
}
