private void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
{
// Remove handler for oldValue.CollectionChanged
if (oldValue != null)
{
((ObservableCollection <object>)oldValue).CollectionChanged -= new NotifyCollectionChangedEventHandler(newValueINotifyCollectionChanged_CollectionChanged);
}
// Add handler for newValue.CollectionChanged (if possible)
if (null != newValue)
{
((ObservableCollection <object>)newValue).CollectionChanged += new NotifyCollectionChangedEventHandler(newValueINotifyCollectionChanged_CollectionChanged);
foreach (object o in newValue)
{
if (PropertyHasValue(o, "Properties") != null)
{
ObservableCollection <Tuple <String, object, Control> > obs = (ObservableCollection <Tuple <String, object, Control> >)PropertyHasValue(o, "Properties");
PropertyGridEditor.PropGrid pgrid = new PropGrid()
{
HorizontalAlignment = HorizontalAlignment.Stretch, Width = PGrid_TreeView.ActualWidth - 50
};
foreach (Tuple <String, object, Control> t in obs)
{
pgrid.AddProperty(t.Item1, t.Item3, t.Item2);
}
pgrid.ItemsSource = obs;
String s = "NameNotSet";
if (PropertyHasValue(o, "Name") != null)
{
s = PropertyHasValue(o, "Name").ToString();
}
TreeViewItem tvi = new TreeViewItem()
{
Header = s, Foreground = Brushes.White
};
if (StartCollapsed)
{
tvi.IsExpanded = false;
}
else
{
tvi.IsExpanded = true;
}
tvi.Items.Add(pgrid);
PGrid_TreeView.Items.Add(tvi);
}
}
}
}
void newValueINotifyCollectionChanged_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (object o in e.NewItems)
{
if (PropertyHasValue(o, "Properties") != null)
{
ObservableCollection <Tuple <String, object, Control> > obs = (ObservableCollection <Tuple <String, object, Control> >)PropertyHasValue(o, "Properties");
PropertyGridEditor.PropGrid pgrid = new PropGrid()
{
HorizontalAlignment = HorizontalAlignment.Stretch, Width = PGrid_TreeView.ActualWidth - 50
};
foreach (Tuple <String, object, Control> t in obs)
{
pgrid.AddProperty(t.Item1, t.Item3, t.Item2);
}
pgrid.ItemsSource = obs;
String s = "NameNotSet";
if (PropertyHasValue(o, "Name") != null)
{
s = PropertyHasValue(o, "Name").ToString();
}
TreeViewItem tvi = new TreeViewItem()
{
Header = s, Foreground = Brushes.White
};
tvi.Items.Add(pgrid);
if (StartCollapsed)
{
tvi.IsExpanded = false;
}
else
{
tvi.IsExpanded = true;
}
PGrid_TreeView.Items.Add(tvi);
}
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
PGrid_TreeView.Items.RemoveAt(e.OldStartingIndex);
}
else if (e.Action == NotifyCollectionChangedAction.Replace)
{
(((PropertyGridEditor.PropGrid)((TreeViewItem)PGrid_TreeView.Items[e.OldStartingIndex]).Items[0])).ItemsSource = null;
(((PropertyGridEditor.PropGrid)((TreeViewItem)PGrid_TreeView.Items[e.OldStartingIndex]).Items[0])).ClearProperties();
PGrid_TreeView.Items.RemoveAt(e.OldStartingIndex);
foreach (object o in e.NewItems)
{
if (PropertyHasValue(o, "Properties") != null)
{
ObservableCollection <Tuple <String, object, Control> > obs = (ObservableCollection <Tuple <String, object, Control> >)PropertyHasValue(o, "Properties");
PropertyGridEditor.PropGrid pgrid = new PropGrid()
{
HorizontalAlignment = HorizontalAlignment.Stretch, Width = PGrid_TreeView.ActualWidth - 50
};
foreach (Tuple <String, object, Control> t in obs)
{
pgrid.AddProperty(t.Item1, t.Item3, t.Item2);
}
pgrid.ItemsSource = obs;
String s = "NameNotSet";
if (PropertyHasValue(o, "Name") != null)
{
s = PropertyHasValue(o, "Name").ToString();
}
TreeViewItem tvi = new TreeViewItem()
{
Header = s, Foreground = Brushes.White
};
tvi.Items.Add(pgrid);
PGrid_TreeView.Items.Insert(e.OldStartingIndex, tvi);
}
}
}
else if (e.Action == NotifyCollectionChangedAction.Reset)
{
PGrid_TreeView.Items.Clear();
}
}
