private IEnumerable<TreeViewItem> Subitems(string collectionId)
{
var v = cass.GetSubItems(collectionId)
.Where(xe => xe != null) // такой вариант случался из-за ручного убирания записи о фотодокументе
.OrderBy(xe => xe.Name == ONames.TagCollection ? 0 : 1)
.Select(xe =>
{
string id = xe.Attribute(ONames.rdfabout).Value;
TVItem tvHeader = new TVItem();
var xname = xe.Element("name");
tvHeader.label.Text = xname==null?"noname" : xname.Value;
XName type = xe.Name;
tvHeader.icon.Source =
type == ONames.TagCollection ? iconClosedFolderSmall :
(type == ONames.TagDocument ? iconDocumentSmall :
(type == ONames.TagPhotodoc ? iconPhotoSmall :
(type == ONames.TagVideo ? iconVideoSmall :
(type == ONames.TagAudio ? iconAudioSmall : iconUnknownSmall))));
TreeViewItem tvi = new TreeViewItem() { Header = tvHeader, Tag = xe };
foreach(var sc in Subitems(id))
tvi.Items.Add(sc);
return tvi;
});
return v;
}
private void BuildTreeView()
{
treeView1.BeginInit();
treeView1.Items.Clear();
// Дерево кассеты
TVItem tv1 = new TVItem {label = {Text = this.cass.Name}, icon = {Source = iconClosedFolderSmall}};
TreeViewItem cassItem = new TreeViewItem {Header = tv1, IsExpanded = true, Tag = this.cass.GetXItemById(this.cass.CollectionId)};
foreach(var sc in Subitems(this.cass.CollectionId))
cassItem.Items.Add(sc);
// Дерево мусора
TVItem tv2 = new TVItem {label = {Text = "Мусорная корзина"}, icon = {Source = iconClosedFolderSmall}};
TreeViewItem waste = new TreeViewItem() { Header = tv2, Tag = this.cass.GetXItemById(this.cass.Wastebasket) };
foreach(var sc in Subitems(this.cass.Wastebasket))
waste.Items.Add(sc);
//// Дерево меню
//TVItem tv3 = new TVItem(); tv3.label.Text = "Меню";
//TreeViewItem menuItem = new TreeViewItem() { Header = tv3, IsExpanded = false };
//foreach (var sc in Subitems("menurootcollection"))
// menuItem.Items.Add(sc);
treeView1.Items.Add(cassItem);
treeView1.Items.Add(waste);
//treeView1.Items.Add(menuItem);
treeView1.EndInit();
}
