public void RaiseStateChangedEvent(LibraryComponent sender, LibraryComponentState state)
{
if (StateChangedEvent != null)
{
StateChangedEvent(sender, state);
}
}
private void ComponentOnStateChangedEvent(LibraryComponent sender, LibraryComponentState state)
{
Dispatcher.Invoke(DispatcherPriority.Normal, new Action(() =>
{
//add active items
if (state == LibraryComponentState.Active)
{
TreeViewItem item = new TreeViewItem();
item.Header = ((LibraryComponent)sender).Caption;
item.Tag = sender;
plugTree.Items.Add(item);
return;
}
//remove inactive items
for (int index = 0; index < plugTree.Items.Count; index++)
{
Control vi = (Control)plugTree.Items[index];
var libraryComponent = vi.Tag as LibraryComponent;
if (libraryComponent != null)
{
if (sender == libraryComponent)
{
switch (state)
{
case LibraryComponentState.Active:
break;
case LibraryComponentState.Inactive:
plugTree.Items.Remove(vi);
libraryComponent.ComponentUI.FadeOut();
break;
case LibraryComponentState.Hidden:
break;
case LibraryComponentState.Static:
break;
default:
throw new ArgumentOutOfRangeException("state");
}
}
}
}
}));
}
private void LibraryAdder_ListenToChanges(TrackViewModel tk, Guid mguid)
{
if (myState != LibraryComponentState.Active)
{
RaiseStateChangedEvent(this, LibraryComponentState.Active);
myState = LibraryComponentState.Active;
App.Current.Dispatcher.BeginInvoke(new Action(() =>
{
var mw = App.Current.MainWindow as MainWindow;
if (mw != null)
{
mw.hLibrary.grdDD.FadeOut();
}
}));
}
if (myState != LibraryComponentState.Inactive && tk.Path == mguid.ToString())
{
RaiseStateChangedEvent(this, LibraryComponentState.Inactive);
myState = LibraryComponentState.Inactive;
}
}