Browse Source
[TypeConverter(typeof(ExpandableObjectConverter))]
public Person Admin
{
get { return _admin; }
set { _admin = value; }
}
For now it works with the above syntax.
pull/1645/head
brianlagunas_cp
15 years ago
7 changed files with 629 additions and 194 deletions
@ -0,0 +1,184 @@ |
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using System; |
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using System.Collections.Generic; |
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using System.ComponentModel; |
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using System.Windows; |
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using System.Windows.Data; |
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using System.Windows.Media; |
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using Microsoft.Windows.Controls.PropertyGrid.Attributes; |
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using Microsoft.Windows.Controls.PropertyGrid.Editors; |
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namespace Microsoft.Windows.Controls.PropertyGrid |
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{ |
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internal class PropertyGridUtilities |
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{ |
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internal static T GetAttribute<T>(PropertyDescriptor property) where T : Attribute |
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{ |
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foreach (Attribute att in property.Attributes) |
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{ |
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var tAtt = att as T; |
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if (tAtt != null) return tAtt; |
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} |
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return null; |
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} |
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internal static PropertyItemCollection GetAlphabetizedProperties(List<PropertyItem> propertyItems) |
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{ |
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PropertyItemCollection propertyCollection = new PropertyItemCollection(propertyItems); |
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propertyCollection.SortBy("DisplayName", ListSortDirection.Ascending); |
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return propertyCollection; |
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} |
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internal static PropertyItemCollection GetCategorizedProperties(List<PropertyItem> propertyItems) |
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{ |
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PropertyItemCollection propertyCollection = new PropertyItemCollection(propertyItems); |
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propertyCollection.GroupBy("Category"); |
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propertyCollection.SortBy("Category", ListSortDirection.Ascending); |
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propertyCollection.SortBy("DisplayName", ListSortDirection.Ascending); |
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return propertyCollection; |
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} |
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internal static PropertyDescriptorCollection GetPropertyDescriptors(object instance) |
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{ |
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PropertyDescriptorCollection descriptors; |
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TypeConverter tc = TypeDescriptor.GetConverter(instance); |
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if (tc == null || !tc.GetPropertiesSupported()) |
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{ |
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if (instance is ICustomTypeDescriptor) |
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descriptors = ((ICustomTypeDescriptor)instance).GetProperties(); |
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else |
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descriptors = TypeDescriptor.GetProperties(instance.GetType()); |
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} |
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else |
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{ |
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descriptors = tc.GetProperties(instance); |
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} |
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return descriptors; |
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} |
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internal static PropertyItem CreatePropertyItem(PropertyDescriptor property, object instance, PropertyGrid grid, string bindingPath) |
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{ |
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PropertyItem propertyItem = new PropertyItem(instance, property, grid, bindingPath); |
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var binding = new Binding(bindingPath) |
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{ |
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Source = instance, |
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ValidatesOnExceptions = true, |
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ValidatesOnDataErrors = true, |
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Mode = propertyItem.IsReadOnly ? BindingMode.OneWay : BindingMode.TwoWay |
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}; |
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propertyItem.SetBinding(PropertyItem.ValueProperty, binding); |
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propertyItem.Editor = PropertyGridUtilities.GetTypeEditor(propertyItem, grid.EditorDefinitions); |
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return propertyItem; |
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} |
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internal static FrameworkElement GetTypeEditor(PropertyItem propertyItem, EditorDefinitionCollection editorDefinitions) |
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{ |
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//first check for an attribute editor
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FrameworkElement editor = PropertyGridUtilities.GetAttibuteEditor(propertyItem); |
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//now look for a custom editor based on editor definitions
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if (editor == null) |
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editor = PropertyGridUtilities.GetCustomEditor(propertyItem, editorDefinitions); |
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//guess we have to use the default editor
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if (editor == null) |
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editor = PropertyGridUtilities.CreateDefaultEditor(propertyItem); |
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return editor; |
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} |
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internal static FrameworkElement GetAttibuteEditor(PropertyItem propertyItem) |
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{ |
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FrameworkElement editor = null; |
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var itemsSourceAttribute = GetAttribute<ItemsSourceAttribute>(propertyItem.PropertyDescriptor); |
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if (itemsSourceAttribute != null) |
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editor = new ItemsSourceEditor(itemsSourceAttribute).ResolveEditor(propertyItem); |
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var editorAttribute = GetAttribute<EditorAttribute>(propertyItem.PropertyDescriptor); |
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if (editorAttribute != null) |
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{ |
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Type type = Type.GetType(editorAttribute.EditorTypeName); |
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var instance = Activator.CreateInstance(type); |
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if (instance is ITypeEditor) |
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editor = (instance as ITypeEditor).ResolveEditor(propertyItem); |
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} |
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return editor; |
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} |
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internal static FrameworkElement GetCustomEditor(PropertyItem propertyItem, EditorDefinitionCollection customTypeEditors) |
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{ |
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FrameworkElement editor = null; |
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//check for custom editor
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if (customTypeEditors.Count > 0) |
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{ |
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//first check if the custom editor is type based
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IEditorDefinition customEditor = customTypeEditors[propertyItem.PropertyType]; |
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if (customEditor == null) |
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{ |
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//must be property based
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customEditor = customTypeEditors[propertyItem.Name]; |
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} |
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if (customEditor != null) |
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{ |
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if (customEditor.EditorTemplate != null) |
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editor = customEditor.EditorTemplate.LoadContent() as FrameworkElement; |
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} |
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} |
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return editor; |
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} |
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internal static FrameworkElement CreateDefaultEditor(PropertyItem propertyItem) |
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{ |
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ITypeEditor editor = null; |
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if (propertyItem.IsReadOnly) |
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editor = new TextBlockEditor(); |
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else if (propertyItem.PropertyType == typeof(bool) || propertyItem.PropertyType == typeof(bool?)) |
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editor = new CheckBoxEditor(); |
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else if (propertyItem.PropertyType == typeof(decimal) || propertyItem.PropertyType == typeof(decimal?)) |
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editor = new DecimalUpDownEditor(); |
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else if (propertyItem.PropertyType == typeof(double) || propertyItem.PropertyType == typeof(double?)) |
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editor = new DoubleUpDownEditor(); |
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else if (propertyItem.PropertyType == typeof(int) || propertyItem.PropertyType == typeof(int?)) |
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editor = new IntegerUpDownEditor(); |
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else if (propertyItem.PropertyType == typeof(DateTime) || propertyItem.PropertyType == typeof(DateTime?)) |
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editor = new DateTimeUpDownEditor(); |
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else if ((propertyItem.PropertyType == typeof(Color))) |
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editor = new ColorEditor(); |
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else if (propertyItem.PropertyType.IsEnum) |
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editor = new EnumComboBoxEditor(); |
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else if (propertyItem.PropertyType == typeof(TimeSpan)) |
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editor = new TimeSpanEditor(); |
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else if (propertyItem.PropertyType == typeof(FontFamily) || propertyItem.PropertyType == typeof(FontWeight) || propertyItem.PropertyType == typeof(FontStyle) || propertyItem.PropertyType == typeof(FontStretch)) |
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editor = new FontComboBoxEditor(); |
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else if (propertyItem.PropertyType.IsGenericType) |
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{ |
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if (propertyItem.PropertyType.GetInterface("IList") != null) |
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{ |
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var t = propertyItem.PropertyType.GetGenericArguments()[0]; |
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if (!t.IsPrimitive && !t.Equals(typeof(String))) |
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editor = new Microsoft.Windows.Controls.PropertyGrid.Editors.CollectionEditor(); |
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else |
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editor = new Microsoft.Windows.Controls.PropertyGrid.Editors.PrimitiveTypeCollectionEditor(); |
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} |
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else |
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editor = new TextBlockEditor(); |
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} |
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else |
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editor = new TextBoxEditor(); |
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return editor.ResolveEditor(propertyItem); |
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} |
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} |
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} |
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