internal static FrameworkElement GetCustomEditor(PropertyItem propertyItem, EditorDefinitionCollection customTypeEditors)
{
FrameworkElement editor = null;
//check for custom editor
if ((customTypeEditors != null) && (customTypeEditors.Count > 0))
{
//first check if the custom editor is type based
EditorDefinition customEditor = customTypeEditors[propertyItem.PropertyType];
if (customEditor == null)
{
//must be property based
customEditor = customTypeEditors[propertyItem.Name];
}
if (customEditor != null)
{
if (customEditor.EditorTemplate != null)
{
editor = customEditor.EditorTemplate.LoadContent() as FrameworkElement;
}
}
}
return(editor);
}
internal static FrameworkElement GetTypeEditor(PropertyItem propertyItem
, EditorDefinitionCollection editorDefinitions
)
{
FrameworkElement editor = null;
//first check for an attribute editor
if (editor == null)
{
editor = PropertyGridUtilities.GetAttibuteEditor(propertyItem);
}
//now look for a custom editor based on editor definitions
if (editor == null)
{
editor = PropertyGridUtilities.GetCustomEditor(propertyItem, editorDefinitions);
}
//guess we have to use the default editor
if (editor == null)
{
editor = PropertyGridUtilities.CreateDefaultEditor(propertyItem);
}
return(editor);
}
public PropertyGrid()
{
_properties = new PropertyItemCollection(new ObservableCollection <PropertyItem>());
EditorDefinitions = new EditorDefinitionCollection();
PropertyDefinitions = new PropertyDefinitionCollection();
AddHandler(PropertyItem.ItemSelectionChangedEvent, new RoutedEventHandler(OnItemSelectionChanged));
AddHandler(PropertyItem.ItemOrderingChangedEvent, new RoutedEventHandler(OnItemOrderingChanged));
CommandBindings.Add(new CommandBinding(PropertyGridCommands.ClearFilter, ClearFilter, CanClearFilter));
}
public PropertyGrid()
{
_propertyDefinitionsListener = new WeakEventListener <NotifyCollectionChangedEventArgs>(this.OnPropertyDefinitionsCollectionChanged);
_editorDefinitionsListener = new WeakEventListener <NotifyCollectionChangedEventArgs>(this.OnEditorDefinitionsCollectionChanged);
UpdateContainerHelper();
EditorDefinitions = new EditorDefinitionCollection();
PropertyDefinitions = new PropertyDefinitionCollection();
AddHandler(PropertyItemBase.ItemSelectionChangedEvent, new RoutedEventHandler(OnItemSelectionChanged));
AddHandler(PropertyItemsControl.PreparePropertyItemEvent, new PropertyItemEventHandler(OnPreparePropertyItemInternal));
AddHandler(PropertyItemsControl.ClearPropertyItemEvent, new PropertyItemEventHandler(OnClearPropertyItemInternal));
CommandBindings.Add(new CommandBinding(PropertyGridCommands.ClearFilter, ClearFilter, CanClearFilter));
}
protected virtual void OnEditorDefinitionsChanged(EditorDefinitionCollection oldValue, EditorDefinitionCollection newValue)
{
if (oldValue != null)
{
CollectionChangedEventManager.RemoveListener(oldValue, _editorDefinitionsListener);
}
if (newValue != null)
{
CollectionChangedEventManager.AddListener(newValue, _editorDefinitionsListener);
}
this.Notify(this.PropertyChanged, () => this.EditorDefinitions);
}
protected virtual void OnEditorDefinitionsChanged(EditorDefinitionCollection oldValue, EditorDefinitionCollection newValue)
{
if (oldValue != null)
{
oldValue.CollectionChanged -= new NotifyCollectionChangedEventHandler(OnEditorDefinitionsCollectionChanged);
}
if (newValue != null)
{
newValue.CollectionChanged += new NotifyCollectionChangedEventHandler(OnEditorDefinitionsCollectionChanged);
}
UpdateProperties(true);
}
public PropertyGrid()
{
EditorDefinitions = new EditorDefinitionCollection();
PropertyDefinitions = new PropertyDefinitionCollection();
CommandBindings.Add(new CommandBinding(PropertyGridCommands.ClearFilter, ClearFilter, CanClearFilter));
}
