/// <summary>
/// Gets or sets the <see cref="T:DirectoryItem"/> with the specified GUID.
/// </summary>
/// <value></value>
public DirectoryItem this[Guid Guid]
{
get
{
for (int q = 0; q < List.Count; q++)
{
DirectoryItem ei = (DirectoryItem)List[q];
if (ei.GUID == Guid)
{
return((DirectoryItem)List[q]);
}
}
return(new DirectoryItem());
}
set
{
for (int q = 0; q < List.Count; q++)
{
DirectoryItem ei = (DirectoryItem)List[q];
if (ei.GUID == Guid)
{
List[q] = value;
break;
}
}
}
}
public OPMLDirectoryForm(DirectoryItem directoryItem)
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
_directoryItem = directoryItem;
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Removes the specified GUID.
/// </summary>
/// <param name="Guid">The GUID.</param>
/// <returns></returns>
public bool Remove(Guid GUID)
{
for (int q = 0; q < Count; q++)
{
DirectoryItem ei = (DirectoryItem)List[q];
if (ei.GUID == GUID)
{
List.RemoveAt(q);
return(true);
}
}
return(false);
}
private void DirectoryDropDown_SelectedIndexChanged(object sender, System.EventArgs e)
{
if (DirectoryDropDown.Text != "- " + FormStrings.SelectDirectory + " -")
{
OPMLTreeView.Nodes.Clear();
DirectoryItem dirItem = (DirectoryItem)DirectoryDropDown.SelectedItem;
OPMLRetriever opmlRetriever = new OPMLRetriever(dirItem);
opmlRetriever.AddNode += new AddNodeHandler(opmlRetriever_AddNode);
opmlRetriever.AddNodeToNode += new AddNodeToNodeHandler(opmlRetriever_AddNodeToNode);
opmlRetriever.AddNodeToNodeWithText += new AddNodeToNodeWithTextHandler(opmlRetriever_AddNodeToNodeWithText);
opmlRetriever.AddNodeWithText += new AddNodeWithTextHandler(opmlRetriever_AddNodeWithText);
Thread oThread = new Thread(new ThreadStart(opmlRetriever.populateTree));
oThread.IsBackground = true;
oThread.Start();
}
else
{
OPMLTreeView.Nodes.Clear();
}
}
public OPMLRetriever(DirectoryItem itemIn)
{
dirItem = itemIn;
}
/// <summary>
/// Adds the specified directory item.
/// </summary>
/// <param name="directoryItem">The directory item.</param>
public void Add(DirectoryItem directoryItem)
{
directoryItem.GUID = System.Guid.NewGuid();
List.Add(directoryItem);
}
/// <summary>
/// Sets the item.
/// </summary>
/// <param name="Index">The index.</param>
/// <param name="Item">The item.</param>
private void SetItem(int Index, DirectoryItem Item)
{
List[Index] = Item;
}
private void populateTree()
{
Cursor.Current = Cursors.WaitCursor;
OPMLTreeView.Nodes.Clear();
OPMLTreeView.BeginUpdate();
System.Net.WebClient Client = new WebClient();
System.IO.Stream strm = null;
string opmlUrl = "";
try
{
DirectoryItem dirItem = (DirectoryItem)DirectoryDropDown.SelectedItem;
opmlUrl = dirItem.URL;
strm = Client.OpenRead(opmlUrl);
XmlNodeList opmlCategories = null;
XmlDocument doc = new XmlDocument();
doc.Load(opmlUrl);
XmlNode body = doc.DocumentElement.SelectSingleNode("body");
opmlCategories = body.SelectNodes("outline[not(@type='link')]");
if (opmlCategories != null)
{
foreach (XmlNode category in opmlCategories)
{
string strCat = "";
if (category.Attributes["title"] != null)
{
strCat = category.Attributes["title"].InnerText;
}
else
{
strCat = category.Attributes["text"].InnerText;
}
TreeNode catNode = OPMLTreeView.Nodes.Add(strCat);
catNode.ImageIndex = 0;
catNode.SelectedImageIndex = 2;
// check if we have items at this level
XmlNodeList opmlEntries = category.SelectNodes("outline[(@type='link')]");
foreach (XmlNode opmlEntry in opmlEntries)
{
string strTitle = "";
if (opmlEntry.Attributes["title"] != null)
{
strTitle = opmlEntry.Attributes["title"].InnerText;
}
else
{
strTitle = opmlEntry.Attributes["text"].InnerText;
}
TreeNode entry = new TreeNode(strTitle);
string strXmlUrl = "";
if (opmlEntry.Attributes["xmlUrl"] != null)
{
strXmlUrl = opmlEntry.Attributes["xmlUrl"].InnerText;
}
else
{
strXmlUrl = opmlEntry.Attributes["url"].InnerText;
}
entry.Tag = strXmlUrl;
if (strXmlUrl.Substring(strXmlUrl.LastIndexOf(".") + 1).ToLower() == "opml")
{
entry.ImageIndex = 0;
entry.SelectedImageIndex = 2;
}
else
{
entry.ImageIndex = 1;
entry.SelectedImageIndex = 1;
}
catNode.Nodes.Add(entry);
}
GetCategories(category, catNode);
}
// check for root level items
XmlNodeList opmlOutlineEntries = body.SelectNodes("outline[@type='link']");
foreach (XmlNode opmlEntry in opmlOutlineEntries)
{
string strTitle = "";
if (opmlEntry.Attributes["title"] != null)
{
strTitle = opmlEntry.Attributes["title"].InnerText;
}
else
{
strTitle = opmlEntry.Attributes["text"].InnerText;
}
TreeNode entry = new TreeNode(strTitle);
string strXmlUrl = "";
if (opmlEntry.Attributes["xmlUrl"] != null)
{
strXmlUrl = opmlEntry.Attributes["xmlUrl"].InnerText;
}
else
{
strXmlUrl = opmlEntry.Attributes["url"].InnerText;
}
entry.Tag = strXmlUrl;
if (strXmlUrl.Substring(strXmlUrl.LastIndexOf(".") + 1).ToLower() == "opml")
{
entry.ImageIndex = 0;
entry.SelectedImageIndex = 2;
}
else
{
entry.ImageIndex = 1;
entry.SelectedImageIndex = 1;
}
OPMLTreeView.Nodes.Add(entry);
}
// end check
}
}
catch (Exception ex)
{
log.Error(ex);
MessageBox.Show("Error\n\n" + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
}
finally
{
if (strm != null)
{
strm.Close();
}
OPMLTreeView.EndUpdate();
Cursor.Current = Cursors.Default;
}
}