public static void SyncCollection <TSrc, TDest>(ObservableCollection <ITreeLeaf> src, ObservableCollection <ITreeLeaf> dest,
ITreeBranch parent, Func <TSrc, TDest, bool> itemsEquals, Func <TSrc, TDest> getDestItem) where TDest : class, ITreeLeaf
{
// Remove
foreach (var o in dest.OfType <TDest>().Where(d => !src.OfType <TSrc>().Any(s => itemsEquals(s, d))).ToArray())
{
dest.Remove(o);
o.Parent = null;
}
// Insert or Move
for (var i = 0; i < src.Count; i++)
{
if (src[i] is not TSrc srcItem)
{
continue;
}
if (i < dest.Count && itemsEquals(srcItem, (TDest)dest[i]))
{
continue;
}
var destItem = getDestItem(srcItem);
var oldIdx = dest.IndexOf(destItem);
if (oldIdx < 0)
{
dest.Insert(i, destItem);
destItem.Parent = parent;
}
else
{
dest.Move(oldIdx, i);
}
}
}
public VideoClipsGroupTreeVM(VideoClipsGroupM model, ITreeBranch parent)
{
Model = model;
Parent = parent;
}
public void visit(ITreeBranch item_to_visit)
{
item_to_visit.add_child("Add New Income", ApplicationIcons.AddIncome, new EmptyCommand());
}
public ViewerTreeVM(ViewerM model, ITreeBranch parent)
{
Model = model;
Parent = parent;
}
public void visit(ITreeBranch item_to_visit)
{
item_to_visit.add_child("Add Bills", ApplicationIcons.AddIncome, () => command.run<IAddCompanyPresenter>());
}
public FolderTreeVM(FolderM model, ITreeBranch parent)
{
Model = model;
Parent = parent;
}
public DriveTreeVM(FolderM model, ITreeBranch parent) : base(model, parent)
{
}
public void visit(ITreeBranch item_to_visit)
{
item_to_visit.add_child("View All Bills", ApplicationIcons.AddIncome, command);
}
public FolderKeywordTreeVM(FolderKeywordM model, ITreeBranch parent)
{
Model = model;
Parent = parent;
}
