// <summary>
// Looks for and returns the UIElement used to represent the specified CategoryEditor. Returns
// null if not found.
// </summary>
// <param name="editor">CategoryEditor to look for.</param>
// <param name="category">Category to look in.</param>
// <param name="pendingGeneration">Set to true if the specified editor exists in a collapsed container
// (CategoryContainer or an advanced section). If so, the section is expanded, but the visual does not
// exist yet and should be requested later.</param>
// <returns>UIElement for the specified CategoryEditor if found, null otherwise</returns>
internal UIElement FindCategoryEditorVisual(CategoryEditor editor, ModelCategoryEntry category, out bool pendingGeneration)
{
pendingGeneration = false;
if (editor == null || category == null)
{
return(null);
}
UIElement editorVisual = null;
CiderCategoryContainer categoryContainer = this.ItemContainerGenerator.ContainerFromItem(category) as CiderCategoryContainer;
if (categoryContainer == null)
{
return(null);
}
// Expand the parent category, if it isn't already
if (!categoryContainer.Expanded)
{
categoryContainer.Expanded = true;
pendingGeneration = true;
}
// Expand the parent advanced section, if any and if it isn't already
if (!categoryContainer.AdvancedSectionPinned && ExtensibilityAccessor.GetIsAdvanced(editor))
{
categoryContainer.AdvancedSectionPinned = true;
pendingGeneration = true;
}
bool pendingGenerationTemp;
editorVisual = categoryContainer.ContainerFromEditor(editor, out pendingGenerationTemp);
pendingGeneration |= pendingGenerationTemp;
if (editorVisual != null)
{
pendingGeneration = false;
}
return(editorVisual);
}
private static List <ModelProperty> GetTypeConverterSubPropertiesHelper(ModelItem item, TypeConverter customConverter)
{
if (item == null)
{
return(null);
}
List <ModelProperty> subProperties = null;
TypeConverter converter = customConverter;
if (converter == null)
{
// See if there is a converter associated with the item type itself
converter = ExtensibilityAccessor.GetTypeConverter(item);
}
if (converter != null)
{
PropertyDescriptorCollection subPropertyDescriptors =
converter.GetProperties(item.GetCurrentValue());
if (subPropertyDescriptors != null && subPropertyDescriptors.Count > 0)
{
foreach (PropertyDescriptor subPropertyDescriptor in subPropertyDescriptors)
{
ModelProperty subProperty = item.Properties[subPropertyDescriptor.Name];
// We want to expose all properties through the model regardless of whether they
// are browsable or not. That distinction should be made by the UI utilizing it
if (subProperty != null)
{
if (subProperties == null)
{
subProperties = new List <ModelProperty>();
}
subProperties.Add(subProperty);
}
}
}
}
return(subProperties);
}
// Check if the category is shown for the current category editor type
private bool IsCategoryShown(Type categoryEditorType)
{
bool ret = true;
CategoryEditor editorToRemove = (CategoryEditor)ExtensibilityAccessor.SafeCreateInstance(categoryEditorType);
if (editorToRemove != null)
{
ModelCategoryEntry affectedCategory = _categoryList.FindCategory(editorToRemove.TargetCategory) as ModelCategoryEntry;
if (affectedCategory == null)
{
ret = false;
}
}
else
{
ret = false;
}
return(ret);
}
// Helper method that adjusts the visible set of CategoryEditors based on the specified selection
private void UpdateCategoryEditors(View.Selection selection)
{
// Figure out which category editors to show
Dictionary <Type, object> newCategoryEditorTypes = _propertyToolBar.CurrentViewManager.GetCategoryEditors(
FindCommonType(selection == null ? null : selection.SelectedObjects),
_categoryList);
// Figure out which CategoryEditors are no longer needed and remove them
List <Type> editorTypesToRemove = null;
foreach (KeyValuePair <Type, string> item in _activeCategoryEditors)
{
if (!newCategoryEditorTypes.ContainsKey(item.Key) || !IsCategoryShown(item.Key))
{
// New selection does not include this existing category editor
// or the category that contains this editor
// so remove the editor.
if (editorTypesToRemove == null)
{
editorTypesToRemove = new List <Type>();
}
editorTypesToRemove.Add(item.Key);
}
else
{
// This category editor already exists, so don't re-add it
newCategoryEditorTypes.Remove(item.Key);
}
}
if (editorTypesToRemove != null)
{
foreach (Type editorTypeToRemove in editorTypesToRemove)
{
ModelCategoryEntry affectedCategory = _categoryList.FindCategory(_activeCategoryEditors[editorTypeToRemove]) as ModelCategoryEntry;
if (affectedCategory != null)
{
affectedCategory.RemoveCategoryEditor(editorTypeToRemove);
}
_activeCategoryEditors.Remove(editorTypeToRemove);
}
}
// Figure out which CategoryEditors are now required and add them
foreach (Type editorTypeToAdd in newCategoryEditorTypes.Keys)
{
CategoryEditor editor = (CategoryEditor)ExtensibilityAccessor.SafeCreateInstance(editorTypeToAdd);
if (editor == null)
{
continue;
}
ModelCategoryEntry affectedCategory = _categoryList.FindCategory(editor.TargetCategory) as ModelCategoryEntry;
if (affectedCategory == null)
{
continue;
}
affectedCategory.AddCategoryEditor(editor);
_activeCategoryEditors[editorTypeToAdd] = editor.TargetCategory;
}
}