/// <summary>
/// Loads the component template of the specified control.
/// </summary>
/// <param name="control">The instance of <see cref="Control"/> for which to load a component root.</param>
/// <param name="template">The component template that specifies the control's component layout.</param>
/// <returns>The <see cref="UIElement"/> which serves as the specified control's component template.</returns>
public static UIElement LoadComponentTemplate(Control control, XDocument template)
{
Contract.Require(control, nameof(control));
if (template == null)
return null;
var componentContext = UvmlInstantiationContext.ForControl(control.Ultraviolet, control);
var componentTemplate = default(UvmlTemplate);
if (!componentTemplateCache.TryGetValue(template, out componentTemplate))
{
var componentElement = template.Root.Element("View")?.Elements().SingleOrDefault();
if (componentElement == null)
return null;
var componentType = default(Type);
if (!control.Ultraviolet.GetUI().GetPresentationFoundation().GetKnownType(componentElement.Name.LocalName, out componentType))
throw new UvmlException(PresentationStrings.UnrecognizedType.Format(componentElement.Name.LocalName));
var cultureRequested = (String)template.Root.Attribute("Culture");
var cultureInfo = CultureInfo.GetCultureInfo(cultureRequested ?? String.Empty);
AddUvmlAnnotations(componentContext.DataSourceType.Name, componentElement);
componentTemplate = CreateTemplateFromXml(control.Ultraviolet, componentElement, control.GetType(), componentType, cultureInfo);
componentTemplateCache[template] = componentTemplate;
}
var componentTemplateInstance = (UvmlTemplateInstance)componentTemplate.Instantiate(control.Ultraviolet, componentContext);
var component = (UIElement)componentTemplateInstance.Finalize();
componentContext.Namescope.PopulateFieldsFromRegisteredElements(control);
return component;
}
/// <summary>
/// Loads the component template of the specified control.
/// </summary>
/// <param name="control">The instance of <see cref="Control"/> for which to load a component root.</param>
/// <returns>The <see cref="UIElement"/> which serves as the specified control's component template.</returns>
public static UIElement LoadComponentTemplate(Control control)
{
Contract.Require(control, nameof(control));
var template = control.Ultraviolet.GetUI().GetPresentationFoundation().ComponentTemplates.Get(control);
if (template == null)
return null;
return LoadComponentTemplate(control, template);
}
/// <inheritdoc/>
protected override void CacheLayoutParametersOverride()
{
containingControl = FindContainingControl();
DigestDataBoundContentProperties();
base.CacheLayoutParametersOverride();
}
/// <summary>
/// Creates an instantiation context for a control.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="control">The control which is being loaded.</param>
/// <returns>The instantiation context for the specified control.</returns>
public static InstantiationContext FromControl(UltravioletContext uv, Control control)
{
var wrapper = PresentationFoundation.GetDataSourceWrapper(control);
return new InstantiationContext(uv, control, wrapper.GetType());
}
/// <summary>
/// Creates an instantiation context for the specified view.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="control">The control for which to create an instantiation context.</param>
/// <returns>The instantiation context which was created.</returns>
internal static UvmlInstantiationContext ForControl(UltravioletContext uv, Control control)
{
var wrapper = PresentationFoundation.GetDataSourceWrapper(control);
return new UvmlInstantiationContext(uv, control, control, wrapper.GetType(), control.ComponentTemplateNamescope);
}
