private static object CoerceSelectedObjects(DependencyObject d, object value)
{
WpfPropertyGrid pg = d as WpfPropertyGrid;
object single = pg.GetValue(SelectedObjectsProperty);
return(single == null ? new object[0] : value);
}
private static object CoerceSelectedObject(DependencyObject d, object value)
{
WpfPropertyGrid pg = d as WpfPropertyGrid;
object[] collection = pg.GetValue(SelectedObjectsProperty) as object[];
return((collection != null && collection.Length == 0) ? null : value);
}
private static void PropertySortPropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
WpfPropertyGrid pg = source as WpfPropertyGrid;
PropertySort sort = (PropertySort)e.NewValue;
bool isAlpha = (sort == PropertySort.Alphabetical || sort == PropertySort.NoSort);
pg.IsInAlphaViewMethod.Invoke(pg.Designer.PropertyInspectorView, new object[] { isAlpha });
}
private static void SelectedObjectsPropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
WpfPropertyGrid pg = source as WpfPropertyGrid;
pg.CoerceValue(SelectedObjectsProperty);
object[] collection = e.NewValue as object[];
if (collection.Length == 0)
{
pg.OnSelectionChangedMethod.Invoke(pg.Designer.PropertyInspectorView, new object[] { null });
pg.SelectionTypeLabel.Text = string.Empty;
}
else
{
bool same = true;
Type first = null;
var context = new EditingContext();
var mtm = new ModelTreeManager(context);
Selection selection = null;
// Accumulates the selection and determines the type to be shown in the top of the PG
for (int i = 0; i < collection.Length; i++)
{
mtm.Load(collection[i]);
if (i == 0)
{
selection = Selection.Select(context, mtm.Root);
first = collection[0].GetType();
}
else
{
selection = Selection.Union(context, mtm.Root);
if (!collection[i].GetType().Equals(first))
{
same = false;
}
}
}
pg.OnSelectionChangedMethod.Invoke(pg.Designer.PropertyInspectorView, new object[] { selection });
pg.SelectionTypeLabel.Text = same ? first.Name + " <multiple>" : "Object <multiple>";
}
pg.ChangeHelpText(string.Empty, string.Empty);
}
private static void HelpVisiblePropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
WpfPropertyGrid pg = source as WpfPropertyGrid;
if (e.NewValue != e.OldValue)
{
if (e.NewValue.Equals(true))
{
pg.RowDefinitions[1].Height = new GridLength(5);
pg.RowDefinitions[2].Height = new GridLength(pg.HelpTextHeight);
}
else
{
pg.HelpTextHeight = pg.RowDefinitions[2].Height.Value;
pg.RowDefinitions[1].Height = new GridLength(0);
pg.RowDefinitions[2].Height = new GridLength(0);
}
}
}
private static void SelectedObjectPropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
WpfPropertyGrid pg = source as WpfPropertyGrid;
pg.CoerceValue(SelectedObjectsProperty);
if (e.NewValue == null)
{
pg.OnSelectionChangedMethod.Invoke(pg.Designer.PropertyInspectorView, new object[] { null });
pg.SelectionTypeLabel.Text = string.Empty;
}
else
{
var context = new EditingContext();
var mtm = new ModelTreeManager(context);
mtm.Load(e.NewValue);
Selection selection = Selection.Select(context, mtm.Root);
pg.OnSelectionChangedMethod.Invoke(pg.Designer.PropertyInspectorView, new object[] { selection });
pg.SelectionTypeLabel.Text = e.NewValue.GetType().Name;
}
pg.ChangeHelpText(string.Empty, string.Empty);
}
private static void ToolbarVisiblePropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
WpfPropertyGrid pg = source as WpfPropertyGrid;
pg.PropertyToolBar.Visibility = e.NewValue.Equals(true) ? Visibility.Visible : Visibility.Collapsed;
}