void Cluster_Clicked(object sender, int featureIndex)
{
// sort the documents by membership in the specified cluster
SortedDictionary <float, List <DownloadResult> > sorter = new SortedDictionary <float, List <DownloadResult> >();
for (int i = 0; i < _weightMatrix.ShapeY; i++)
{
float weight = _weightMatrix[featureIndex, i];
DownloadResult result = _resultList[i];
List <DownloadResult> list;
if (!sorter.TryGetValue(weight, out list))
{
sorter.Add(weight, list = new List <DownloadResult>());
}
list.Add(result);
}
List <DownloadResult> sortedList = new List <DownloadResult>();
foreach (KeyValuePair <float, List <DownloadResult> > item in sorter)
{
item.Value.Reverse();
foreach (DownloadResult result in item.Value)
{
sortedList.Add(result);
}
}
sortedList.Reverse();
_ShowResults(sortedList);
}
private void _ParseSearchResults(string xml)
{
bool shouldUpdate = false;
XmlDocument doc = new XmlDocument();
doc.LoadXml(xml);
int docIndex = 0;
DocumentTermModel model = new DocumentTermModel();
foreach (XmlNode node in doc.SelectNodes("/data/result"))
{
XmlAttribute titleAtt = node.Attributes["title"];
XmlAttribute hrefAtt = node.Attributes["disp"];
XmlAttribute urlAtt = node.Attributes["url"];
XmlAttribute textAtt = node.Attributes["text"];
if (titleAtt != null && hrefAtt != null && textAtt != null)
{
string title = titleAtt.Value, href = hrefAtt.Value, text = textAtt.Value, url = urlAtt.Value;
if (!String.IsNullOrEmpty(title) && !String.IsNullOrEmpty(href) && !String.IsNullOrEmpty(url))
{
DownloadResult result = new DownloadResult(title, href, url, text, docIndex++);
DocumentTermModel.Document d = model.AddDocument(result);
foreach (XmlNode catNode in node.SelectNodes("t"))
{
string tagText = catNode.Attributes["text"].Value;
uint count = 1;
if (catNode.Attributes["c"] != null)
{
count = Convert.ToUInt32(catNode.Attributes["c"].Value);
}
if (!String.IsNullOrEmpty(tagText))
{
model.AddTerm(d, tagText, count);
}
}
_resultList.Add(result);
shouldUpdate = true;
}
}
}
if (shouldUpdate)
{
Dispatcher.Invoke((SimpleDelegate) delegate() {
_UpdateUI(model);
});
}
}
private void _ParseDelicousXml(string xml)
{
bool shouldUpdate = false;
XmlDocument doc = new XmlDocument();
doc.LoadXml(xml);
DocumentTermModel model = new DocumentTermModel();
int docIndex = 0;
foreach (XmlNode node in doc.SelectNodes("/rss/channel/item"))
{
XmlElement titleAtt = node["title"];
XmlElement hrefAtt = node["link"];
if (titleAtt != null && hrefAtt != null)
{
string title = titleAtt.InnerText, href = hrefAtt.InnerText;
if (!String.IsNullOrEmpty(title) && !String.IsNullOrEmpty(href))
{
DownloadResult result = new DownloadResult(title, href, docIndex++);
DocumentTermModel.Document d = model.AddDocument(result);
foreach (XmlNode catNode in node.SelectNodes("category"))
{
string text = catNode.InnerText;
if (!String.IsNullOrEmpty(text))
{
model.AddTerm(d, text, 1);
}
}
_resultList.Add(result);
shouldUpdate = true;
}
}
}
if (shouldUpdate)
{
Dispatcher.Invoke((SimpleDelegate) delegate() {
_UpdateUI(model);
});
}
}