public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
if (!(container is UIElement))
{
return(base.SelectTemplate(item, container));
}
SwagTemplateCollection templates = new SwagTemplateCollection();
IEnumerable customSource = GetCustomTemplates(container as UIElement);
ICollectionView customViewSource = CollectionViewSource.GetDefaultView(customSource);
if (customViewSource != null)
{
foreach (SwagTemplate customTemplate in customViewSource)
{
templates.Add(customTemplate);
}
}
if (StaticTemplates != null)
{
foreach (SwagTemplate staticTemplate in StaticTemplates)
{
templates.Add(staticTemplate);
}
}
foreach (SwagTemplate template in templates)
{
if (!String.IsNullOrEmpty(ComparePath) && template.CompareValue != null)
{
PropertyInfo propInfo = ReflectionHelper.PropertyInfoCollection[item.GetType()][ComparePath];
if (propInfo.CanRead)
{
Object targetValue = propInfo.GetValue(item);
if (targetValue.Equals(template.CompareValue))
{
return(template.DataTemplate);
}
}
}
if (template.Type != null && !String.IsNullOrEmpty(template.TypePath))
{
PropertyInfo propInfo = ReflectionHelper.PropertyInfoCollection[item.GetType()][template.TypePath];
if (propInfo.CanRead)
{
Object targetType = propInfo.GetValue(item);
if (targetType != null && targetType.Equals(template.Type))
{
return(template.DataTemplate);
}
}
}
if (template.Type != null && template.Type.IsInstanceOfType(item))
{
return(template.DataTemplate);
}
}
SwagTemplate customDefaultTemplate = GetCustomDefaultTemplate(container as UIElement);
if (customDefaultTemplate == null &&
((container is TreeViewItem) ||
(container is FrameworkElement && ((FrameworkElement)container).TemplatedParent is TreeViewItem)))
{
TreeView treeParent = container.TryFindParent <TreeView>();
customDefaultTemplate = GetCustomDefaultTemplate(treeParent);
}
if (customDefaultTemplate != null)
{
return(customDefaultTemplate.DataTemplate);
}
//if (DefaultTemplate != null)
//{
// return DefaultTemplate.DataTemplate;
//}
return(base.SelectTemplate(item, container));
}
public static void SetCustomDefaultTemplate(UIElement element, SwagTemplate template)
{
element.SetValue(CustomDefaultTemplateProperty, template);
}