/// <summary>
/// Utility method that creates a new EditorAttribute for the specified
/// PropertyValueEditor
/// </summary>
/// <param name="editor">PropertyValueEditor instance for which to create
/// the new EditorAttribute</param>
/// <returns>New EditorAttribute for the specified PropertyValueEditor</returns>
public static EditorAttribute CreateEditorAttribute(PropertyValueEditor editor)
{
if (editor == null)
{
throw FxTrace.Exception.ArgumentNull("editor");
}
return(CreateEditorAttribute(editor.GetType()));
}
/// <summary>
/// Helper class that attempts to find the DataTemplate for the requested PropertyContainerEditMode
/// given the currently displayed PropertyEntry and the currently set default PropertyValueEditors.
///
/// If the requested DataTemplate is found on the PropertyValueEditor associated with the displayed
/// control, is it returned.
///
/// Otherwise if the requested DataTemplate is found on DefaultStandardValuesPropertyValueEditor,
/// it is returned.
///
/// Otherwise if the requested DataTemplate is found on DefaultPropertyValueEditor,
/// it is returned.
///
/// Otherwise null is returned.
/// </summary>
/// <param name="editMode">The editMode for which the DataTemplate should be retrieved</param>
/// <returns>Most relevant DataTemplate for the specified edit mode based on the currently
/// displayed PropertyEntry and the current set of default PropertyValueEditors, or null if not
/// found.</returns>
private DataTemplate FindPropertyValueEditorTemplate(PropertyContainerEditMode editMode)
{
PropertyEntry property = this.PropertyEntry;
PropertyValueEditor editor = null;
DataTemplate requestedTemplate = null;
// Look at property
if (property != null)
{
editor = property.PropertyValueEditor;
if (editor != null)
{
requestedTemplate = editor.GetPropertyValueEditor(editMode);
}
}
if (requestedTemplate != null)
{
return(requestedTemplate);
}
// Is the property of type enum and used as flags?
if (IsFlagsProperty(property))
{
requestedTemplate = this.GetFlagEditorTemplate(editMode);
}
if (requestedTemplate != null)
{
return(requestedTemplate);
}
// Does the property have standard values?
if (property != null && property.HasStandardValuesInternal)
{
editor = this.DefaultStandardValuesPropertyValueEditor;
if (editor != null)
{
requestedTemplate = editor.GetPropertyValueEditor(editMode);
}
}
if (requestedTemplate != null)
{
return(requestedTemplate);
}
// Use the default
editor = this.DefaultPropertyValueEditor;
if (editor != null)
{
requestedTemplate = editor.GetPropertyValueEditor(editMode);
}
return(requestedTemplate);
}
// Clear everything this class caches
public void ClearAll()
{
_categoryName = null;
_description = null;
_isAdvanced = null;
_isBrowsable = null;
_propertyValueEditor = null;
_propertyOrder = null;
_categoryEditorTypes = null;
_displayName = null;
// Internal properties we don't bind to and, hence,
// don't need to fire PropertyChanged event:
_isAttached = null;
ClearValueRelatedCacheItems();
_parent.OnPropertyChanged("CategoryName");
_parent.OnPropertyChanged("Description");
_parent.OnPropertyChanged("IsAdvanced");
_parent.OnPropertyChanged("IsBrowsable");
_parent.OnPropertyChanged("PropertyValueEditor");
_parent.OnPropertyChanged("PropertyOrder");
_parent.OnPropertyChanged("CategoryEditorTypes");
_parent.OnPropertyChanged("DisplayName");
}
/// <summary>
/// Utility method that creates a new EditorAttribute for the specified
/// PropertyValueEditor
/// </summary>
/// <param name="editor">PropertyValueEditor instance for which to create
/// the new EditorAttribute</param>
/// <returns>New EditorAttribute for the specified PropertyValueEditor</returns>
public static EditorAttribute CreateEditorAttribute(PropertyValueEditor editor) {
if (editor == null)
throw FxTrace.Exception.ArgumentNull("editor");
return CreateEditorAttribute(editor.GetType());
}
