public PropertyGridDataProvider(PropertyGrid grid, object data)
{
if (grid == null)
throw new ArgumentNullException("grid");
if (data == null)
throw new ArgumentNullException("data");
Grid = grid;
Data = data;
Properties = new ObservableCollection<PropertyGridProperty>();
ScanProperties();
}
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
if (container == null)
{
throw new ArgumentNullException("container");
}
var property = item as PropertyGridProperty;
if (property == null)
{
return(base.SelectTemplate(item, container));
}
DataTemplate propTemplate = PropertyGridOptionsAttribute.SelectTemplate(property, item, container);
if (propTemplate != null)
{
return(propTemplate);
}
if (_propertyGrid == null)
{
_propertyGrid = container.GetVisualSelfOrParent <PropertyGrid>();
}
if (_propertyGrid.ValueEditorTemplateSelector != null && _propertyGrid.ValueEditorTemplateSelector != this)
{
DataTemplate template = _propertyGrid.ValueEditorTemplateSelector.SelectTemplate(item, container);
if (template != null)
{
return(template);
}
}
foreach (PropertyGridDataTemplate template in DataTemplates)
{
if (Filter(template, property))
{
continue;
}
if (template.IsCollection.HasValue && template.IsCollection.Value)
{
if (string.IsNullOrWhiteSpace(template.CollectionItemPropertyType) && template.DataTemplate != null)
{
return(template.DataTemplate);
}
if (property.CollectionItemPropertyType != null)
{
foreach (Type type in template.ResolvedCollectionItemPropertyTypes)
{
if (IsAssignableFrom(type, property.CollectionItemPropertyType, template, property))
{
return(template.DataTemplate);
}
}
}
}
else
{
if (string.IsNullOrWhiteSpace(template.PropertyType) && template.DataTemplate != null)
{
return(template.DataTemplate);
}
foreach (Type type in template.ResolvedPropertyTypes)
{
if (IsAssignableFrom(type, property.PropertyType, template, property))
{
return(template.DataTemplate);
}
}
}
}
return(base.SelectTemplate(item, container));
}
private static void IsReadOnlyPropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
PropertyGrid grid = (PropertyGrid)source;
grid.PropertiesSource.Source = grid.PropertiesSource.Source;
}
