public static IResource GetNewsFolderResource(IResource parent, string name, bool create)
{
IResourceStore store = Core.ResourceStore;
IResourceList folders = new NewsTreeNode(parent).Children;
folders = folders.Intersect(
store.FindResources(NntpPlugin._newsFolder, Core.Props.Name, name), true);
IResource folder = null;
if (folders.Count > 0)
{
folder = folders[0];
}
else
{
if (create)
{
if (!store.IsOwnerThread())
{
folder = (IResource)Core.ResourceAP.RunUniqueJob(
new GetNewsFolderResourceDelegate(GetNewsFolderResource), parent, name, true);
}
else
{
folder = store.BeginNewResource(NntpPlugin._newsFolder);
try
{
folder.SetProp(Core.Props.Name, name);
new NewsTreeNode(folder).Parent = parent;
if (parent == _newsgroupsRoot)
{
folder.SetProp("VisibleInAllWorkspaces", true);
folder.SetProp(NntpPlugin._propNewsSortOrder, Int32.MaxValue);
}
folder.SetProp(Core.Props.DisplayThreaded, parent.GetProp(Core.Props.DisplayThreaded));
}
finally
{
folder.EndUpdate();
}
}
}
}
return(folder);
}
public bool DecorateNode(IResource res, RichText nodeText)
{
if (res.Type == NntpPlugin._newsFolder || res.Type == NntpPlugin._newsServer)
{
int count;
if (NewsFolders.IsDefaultFolder(res))
{
IResourceList folderItems = NntpPlugin.CollectArticles(res, false);
IResource wsp = Core.WorkspaceManager.ActiveWorkspace;
if (wsp != null)
{
folderItems = folderItems.Intersect(wsp.GetLinksOfType(null, "WorkspaceVisible"), true);
}
if (NewsFolders.IsSentItems(res))
{
folderItems = folderItems.Intersect(_allUnread, true);
}
else
{
folderItems = folderItems.Minus(Core.ResourceStore.FindResourcesWithProp(null, Core.Props.IsDeleted));
}
count = folderItems.Count;
}
else
{
IResourceList groups = new NewsTreeNode(res).Groups;
IResource wsp = Core.WorkspaceManager.ActiveWorkspace;
if (wsp != null)
{
groups = groups.Intersect(wsp.GetLinksOfType(null, "WorkspaceVisible"), true);
}
IResourceList articles = Core.ResourceStore.EmptyResourceList;
foreach (IResource group in groups.ValidResources)
{
articles = articles.Union(
group.GetLinksTo(null, NntpPlugin._propTo).Intersect(_allUnread), true);
}
count = articles.Count;
}
if (count != 0)
{
nodeText.Append(" ");
nodeText.SetStyle(FontStyle.Bold, 0, res.DisplayName.Length);
/////////////////////////////////////////////////////////////////////
/// NewsFolders.IsDefaultFolder doesn't synchronously create folders,
/// so the check is necessary to avoid RunJobs to resource thread
/////////////////////////////////////////////////////////////////////
if (NewsFolders.IsDrafts(res))
{
nodeText.Append("[" + count + "]", _draftsTextStyle);
}
else
{
nodeText.Append("(" + count + ")", _unreadTextStyle);
}
}
return(true);
}
return(false);
}
