/// <summary>
/// Loads a single item into the html widget.
/// </summary>
public void LoadItem(Item item, Feed feed)
{
if (item == null || feed == null)
return;
page_number = 0;
page_count = 0;
this.feed = null;
// render item into html
string output = template.Replace ("@fuse_feed_name@", feed.Name);
output = output.Replace ("@fuse_link@", item.Url);
output = output.Replace ("@fuse_header@", item.Title);
output = output.Replace ("@fuse_description@", item.Description);
item.Read = true;
parent.DataManager.UpdateItem (item);
html.RenderData (output, feed.Url, "text/html");
feed.UpdateStatus ();
}
// adds the new feed items
void addNewItems(Feed feed, RssFeed rss_feed)
{
// only add in new items. backwards
for (int i=rss_feed.Channel.Items.Count-1; i>=0; i--)
{
RssItem rss_item = rss_feed.Channel.Items [i];
bool exists = false;
foreach (Item item in feed.Items)
if (item.Title == rss_item.Title && item.Url == rss_item.Link && item.GUID == rss_item.Guid && item.PubDate == rss_item.PubDate)
exists = true;
// the list doesnt have the news item
if (!exists)
{
Item new_item = new Item (rss_item);
new_item.IsNew = true;
// add in the new item
Application.Invoke (delegate {
feed.Items.Add (new_item);
parent.DataManager.AddItem (feed, new_item);
});
}
}
// update the feed
Application.Invoke (delegate {
feed.UpdateStatus ();
parent.DataManager.UpdateFeed (feed);
});
}
// loads the feed into the popup
private void loadFeed(Feed feed)
{
page_number = 0;
unread_items.Clear ();
//find all the unread items
foreach (Item item in feed.Items)
if (item.IsNew)
unread_items.Add (item);
//create the links to be used in the popup
links = new LinkButton[unread_items.Count];
for (int i=0; i<unread_items.Count; i++)
{
Item item = unread_items[i];
links[i] = new LinkButton (item.Url, item.Title);
links[i].Xalign = 0;
links[i].EnterNotifyEvent += button_enter;
links[i].LeaveNotifyEvent += button_leave;
//the link has been clicked
links[i].Clicked += delegate (object o, EventArgs args) {
parent.News.NewsViewer.LoadItem (item, feed);
feed.UpdateStatus ();
unread.Markup = feed.UnreadStatus;
parent.News.NewsTree.QueueDraw ();
};
}
//get the amount of pages
if (unread_items.Count > 0)
{
double item_count = (double) unread_items.Count;
double show_count = (double) show_total+1;
page_count = (int) Math.Ceiling (item_count / show_count);
}
else
page_count = 0;
//update the feed details
title.Markup = Utils.ParseMarkup (feed.Name);
unread.Markup = feed.UnreadStatus;
refreshFeed ();
//create the items
generateItems ();
}
// load the feed's items
void loadItems(Feed feed)
{
string feed_id = getFeedID (feed);
string sql = "SELECT title, description, url, guid, read, pub_date FROM item WHERE feed_id='" + feed_id + "'";
dbcon.Open ();
IDbCommand dbcmd = dbcon.CreateCommand ();
dbcmd.CommandText = sql;
IDataReader reader = dbcmd.ExecuteReader ();
while (reader.Read ())
{
string title = reader.GetString (0);
string description = reader.GetString (1);
string url = reader.GetString (2);
string guid = reader.GetString (3);
bool read = reader.GetBoolean (4);
string pub_date = reader.GetString (5);
feed.Items.Add (new Item (title, description, url, guid, read, pub_date));
}
reader.Close ();
reader = null;
dbcmd.Dispose ();
dbcmd = null;
dbcon.Close ();
feed.UpdateStatus ();
}
