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95 lines
3.3 KiB
95 lines
3.3 KiB
/*************************************************************************************
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Extended WPF Toolkit
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Copyright (C) 2007-2013 Xceed Software Inc.
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This program is provided to you under the terms of the Microsoft Public
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License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
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For more features, controls, and fast professional support,
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pick up the Plus Edition at http://xceed.com/wpf_toolkit
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Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
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***********************************************************************************/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Windows;
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using Xceed.Wpf.Toolkit.Core.Utilities;
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namespace Xceed.Wpf.Toolkit.PropertyGrid.Editors
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{
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public class CollectionEditor : TypeEditor<CollectionControlButton>
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{
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protected override void SetValueDependencyProperty()
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{
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ValueProperty = CollectionControlButton.ItemsSourceProperty;
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}
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protected override void ResolveValueBinding( PropertyItem propertyItem )
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{
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var type = propertyItem.PropertyType;
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Editor.ItemsSourceType = type;
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if( type.BaseType == typeof( System.Array ) )
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{
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Editor.NewItemTypes = new List<Type>() { type.GetElementType() };
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}
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else
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{
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if( (propertyItem.DescriptorDefinition != null)
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&& (propertyItem.DescriptorDefinition.NewItemTypes != null)
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&& (propertyItem.DescriptorDefinition.NewItemTypes.Count > 0) )
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{
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Editor.NewItemTypes = propertyItem.DescriptorDefinition.NewItemTypes;
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}
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else
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{
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//Check if we have a Dictionary
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var dictionaryTypes = ListUtilities.GetDictionaryItemsType( type );
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if( (dictionaryTypes != null) && (dictionaryTypes.Length == 2) )
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{
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// A Dictionary contains KeyValuePair that can't be edited.
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// We need to create EditableKeyValuePairs.
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// Create a EditableKeyValuePair< TKey, TValue> type from dictionary generic arguments type
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var editableKeyValuePairType = ListUtilities.CreateEditableKeyValuePairType( dictionaryTypes[ 0 ], dictionaryTypes[ 1 ] );
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Editor.NewItemTypes = new List<Type>() { editableKeyValuePairType };
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}
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else
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{
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//Check if we have a list
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var listType = ListUtilities.GetListItemType( type );
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if( listType != null )
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{
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Editor.NewItemTypes = new List<Type>() { listType };
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}
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else
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{
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//Check if we have a Collection of T
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var colType = ListUtilities.GetCollectionItemType( type );
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if( colType != null )
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{
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Editor.NewItemTypes = new List<Type>() { colType };
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}
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}
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}
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}
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}
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base.ResolveValueBinding( propertyItem );
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}
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}
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public class PropertyGridEditorCollectionControl : CollectionControlButton
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{
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static PropertyGridEditorCollectionControl()
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{
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DefaultStyleKeyProperty.OverrideMetadata( typeof( PropertyGridEditorCollectionControl ), new FrameworkPropertyMetadata( typeof( PropertyGridEditorCollectionControl ) ) );
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}
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}
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}
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