Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / System / Windows / Markup / BamlCollectionHolder.cs / 1 / BamlCollectionHolder.cs
/****************************************************************************\ * * File: BamlCollectionHolder.cs * * Copyright (C) 2003 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.Collections; using System.Reflection; namespace System.Windows.Markup { // Helper class that holds a collection for a property. This class // replaces the old BamlDictionaryHolder and BamlArrayHolder classes internal class BamlCollectionHolder { internal BamlCollectionHolder() { } internal BamlCollectionHolder(BamlRecordReader reader, object parent, short attributeId) : this(reader, parent, attributeId, true) { } internal BamlCollectionHolder(BamlRecordReader reader, object parent, short attributeId, bool needDefault) { _reader = reader; _parent = parent; _propDef = new PropertyDefinition(reader, attributeId, parent is DependencyObject); _attributeId = attributeId; if (needDefault) { InitDefaultValue(); } CheckReadOnly(); } // the collection stored for a given property internal object Collection { get { return _collection; } set { _collection = value; } } // helper that casts the collection as an IList internal IList List { get { return _collection as IList; } } // helper that casts the collection as an IDictionary internal IDictionary Dictionary { get { return _collection as IDictionary; } } // helper that casts the collection as an ArrayExtension internal ArrayExtension ArrayExt { get { return _collection as ArrayExtension; } } // the default collection to be used in case the property does not have an explicit tag internal object DefaultCollection { get { return _defaultCollection; } } // the PropertyDefinition associated with the BamlCollectionHolder's property internal PropertyDefinition PropertyDefinition { get { return _propDef; } } // the return type of the BamlCollectionHolder's property's getter internal Type PropertyType { get { return _resourcesParent != null ? typeof(ResourceDictionary) : PropertyDefinition.PropertyType; } } // the parent object of this collection holder internal object Parent { get { return _parent; } } // returns true if the property cannot be set internal bool ReadOnly { get { return _readonly; } set { _readonly = value; } } // returns true if the property has an explicit tag, so items should not be added to it directly internal bool IsClosed { get { return _isClosed; } set { _isClosed = value; } } internal string AttributeName { get { return _reader.GetPropertyNameFromAttributeId(_attributeId); } } // set the property associated with the collection holder to the value of the holder's collection internal void SetPropertyValue() { // Do if the property value has not been set before this if (!_isPropertyValueSet) { _isPropertyValueSet = true; // the order of precedence is the fast-tracked Resources property, then DP, then the attached property // setter, then the property info if (_resourcesParent != null) { _resourcesParent.Resources = (ResourceDictionary)Collection; } else if (PropertyDefinition.DependencyProperty != null) { DependencyObject dpParent = Parent as DependencyObject; if (dpParent == null) { _reader.ThrowException(SRID.ParserParentDO, Parent.ToString()); } _reader.SetDependencyValue(dpParent, PropertyDefinition.DependencyProperty, Collection); } else if (PropertyDefinition.AttachedPropertySetter != null) { PropertyDefinition.AttachedPropertySetter.Invoke(null, new object[] { Parent, Collection }); } else if (PropertyDefinition.PropertyInfo != null) { PropertyDefinition.PropertyInfo.SetValue(Parent, Collection, BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy, null, null, XamlReaderHelper.EnglishUSCulture); } else { _reader.ThrowException(SRID.ParserCantGetDPOrPi, AttributeName); } } } // Initialize the collection holder, by setting its property definition and default value (retrieved // from the property definition). internal void InitDefaultValue() { if (AttributeName == "Resources" && Parent is IHaveResources) { // "Fast Path" handling of Resources non-DP property _resourcesParent = ((IHaveResources)Parent); _defaultCollection = _resourcesParent.Resources; } // the order of precedence according to the spec is DP, then attached property, then PropertyInfo else if (PropertyDefinition.DependencyProperty != null) { _defaultCollection = ((DependencyObject)Parent).GetValue(PropertyDefinition.DependencyProperty); } else if (PropertyDefinition.AttachedPropertyGetter != null) { _defaultCollection = PropertyDefinition.AttachedPropertyGetter.Invoke(null, new object[] { Parent }); } else if (PropertyDefinition.PropertyInfo != null) { if (PropertyDefinition.IsInternal) { _defaultCollection = XamlTypeMapper.GetInternalPropertyValue(_reader.ParserContext, _reader.ParserContext.RootElement, PropertyDefinition.PropertyInfo, Parent); if (_defaultCollection == null) { _reader.ThrowException(SRID.ParserCantGetProperty, PropertyDefinition.Name); } } else { _defaultCollection = PropertyDefinition.PropertyInfo.GetValue( Parent, BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy, null, null, XamlReaderHelper.EnglishUSCulture); } } else { _reader.ThrowException(SRID.ParserCantGetDPOrPi, AttributeName); } } private void CheckReadOnly() { if (_resourcesParent == null && (PropertyDefinition.DependencyProperty == null || PropertyDefinition.DependencyProperty.ReadOnly) && (PropertyDefinition.PropertyInfo == null || !PropertyDefinition.PropertyInfo.CanWrite) && PropertyDefinition.AttachedPropertySetter == null) { if (DefaultCollection == null) { // if the property is read-only and has a null default value, throw an exception _reader.ThrowException(SRID.ParserReadOnlyNullProperty, PropertyDefinition.Name); } // the property is read-only, so we have to use its default value as the dictionary ReadOnly = true; Collection = DefaultCollection; } } private object _collection; private object _defaultCollection; private short _attributeId; private PropertyDefinition _propDef; private object _parent; private BamlRecordReader _reader; private IHaveResources _resourcesParent; // for fast-tracking Resources properties private bool _readonly; private bool _isClosed; private bool _isPropertyValueSet; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /****************************************************************************\ * * File: BamlCollectionHolder.cs * * Copyright (C) 2003 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.Collections; using System.Reflection; namespace System.Windows.Markup { // Helper class that holds a collection for a property. This class // replaces the old BamlDictionaryHolder and BamlArrayHolder classes internal class BamlCollectionHolder { internal BamlCollectionHolder() { } internal BamlCollectionHolder(BamlRecordReader reader, object parent, short attributeId) : this(reader, parent, attributeId, true) { } internal BamlCollectionHolder(BamlRecordReader reader, object parent, short attributeId, bool needDefault) { _reader = reader; _parent = parent; _propDef = new PropertyDefinition(reader, attributeId, parent is DependencyObject); _attributeId = attributeId; if (needDefault) { InitDefaultValue(); } CheckReadOnly(); } // the collection stored for a given property internal object Collection { get { return _collection; } set { _collection = value; } } // helper that casts the collection as an IList internal IList List { get { return _collection as IList; } } // helper that casts the collection as an IDictionary internal IDictionary Dictionary { get { return _collection as IDictionary; } } // helper that casts the collection as an ArrayExtension internal ArrayExtension ArrayExt { get { return _collection as ArrayExtension; } } // the default collection to be used in case the property does not have an explicit tag internal object DefaultCollection { get { return _defaultCollection; } } // the PropertyDefinition associated with the BamlCollectionHolder's property internal PropertyDefinition PropertyDefinition { get { return _propDef; } } // the return type of the BamlCollectionHolder's property's getter internal Type PropertyType { get { return _resourcesParent != null ? typeof(ResourceDictionary) : PropertyDefinition.PropertyType; } } // the parent object of this collection holder internal object Parent { get { return _parent; } } // returns true if the property cannot be set internal bool ReadOnly { get { return _readonly; } set { _readonly = value; } } // returns true if the property has an explicit tag, so items should not be added to it directly internal bool IsClosed { get { return _isClosed; } set { _isClosed = value; } } internal string AttributeName { get { return _reader.GetPropertyNameFromAttributeId(_attributeId); } } // set the property associated with the collection holder to the value of the holder's collection internal void SetPropertyValue() { // Do if the property value has not been set before this if (!_isPropertyValueSet) { _isPropertyValueSet = true; // the order of precedence is the fast-tracked Resources property, then DP, then the attached property // setter, then the property info if (_resourcesParent != null) { _resourcesParent.Resources = (ResourceDictionary)Collection; } else if (PropertyDefinition.DependencyProperty != null) { DependencyObject dpParent = Parent as DependencyObject; if (dpParent == null) { _reader.ThrowException(SRID.ParserParentDO, Parent.ToString()); } _reader.SetDependencyValue(dpParent, PropertyDefinition.DependencyProperty, Collection); } else if (PropertyDefinition.AttachedPropertySetter != null) { PropertyDefinition.AttachedPropertySetter.Invoke(null, new object[] { Parent, Collection }); } else if (PropertyDefinition.PropertyInfo != null) { PropertyDefinition.PropertyInfo.SetValue(Parent, Collection, BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy, null, null, XamlReaderHelper.EnglishUSCulture); } else { _reader.ThrowException(SRID.ParserCantGetDPOrPi, AttributeName); } } } // Initialize the collection holder, by setting its property definition and default value (retrieved // from the property definition). internal void InitDefaultValue() { if (AttributeName == "Resources" && Parent is IHaveResources) { // "Fast Path" handling of Resources non-DP property _resourcesParent = ((IHaveResources)Parent); _defaultCollection = _resourcesParent.Resources; } // the order of precedence according to the spec is DP, then attached property, then PropertyInfo else if (PropertyDefinition.DependencyProperty != null) { _defaultCollection = ((DependencyObject)Parent).GetValue(PropertyDefinition.DependencyProperty); } else if (PropertyDefinition.AttachedPropertyGetter != null) { _defaultCollection = PropertyDefinition.AttachedPropertyGetter.Invoke(null, new object[] { Parent }); } else if (PropertyDefinition.PropertyInfo != null) { if (PropertyDefinition.IsInternal) { _defaultCollection = XamlTypeMapper.GetInternalPropertyValue(_reader.ParserContext, _reader.ParserContext.RootElement, PropertyDefinition.PropertyInfo, Parent); if (_defaultCollection == null) { _reader.ThrowException(SRID.ParserCantGetProperty, PropertyDefinition.Name); } } else { _defaultCollection = PropertyDefinition.PropertyInfo.GetValue( Parent, BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy, null, null, XamlReaderHelper.EnglishUSCulture); } } else { _reader.ThrowException(SRID.ParserCantGetDPOrPi, AttributeName); } } private void CheckReadOnly() { if (_resourcesParent == null && (PropertyDefinition.DependencyProperty == null || PropertyDefinition.DependencyProperty.ReadOnly) && (PropertyDefinition.PropertyInfo == null || !PropertyDefinition.PropertyInfo.CanWrite) && PropertyDefinition.AttachedPropertySetter == null) { if (DefaultCollection == null) { // if the property is read-only and has a null default value, throw an exception _reader.ThrowException(SRID.ParserReadOnlyNullProperty, PropertyDefinition.Name); } // the property is read-only, so we have to use its default value as the dictionary ReadOnly = true; Collection = DefaultCollection; } } private object _collection; private object _defaultCollection; private short _attributeId; private PropertyDefinition _propDef; private object _parent; private BamlRecordReader _reader; private IHaveResources _resourcesParent; // for fast-tracking Resources properties private bool _readonly; private bool _isClosed; private bool _isPropertyValueSet; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ModuleBuilderData.cs
- XmlDataCollection.cs
- OutputWindow.cs
- SubpageParagraph.cs
- SocketElement.cs
- COM2TypeInfoProcessor.cs
- LinkConverter.cs
- FileDetails.cs
- DispatcherProcessingDisabled.cs
- MenuCommand.cs
- TextureBrush.cs
- ProfileParameter.cs
- TrustLevelCollection.cs
- ObjectSecurity.cs
- ObjectParameterCollection.cs
- SimpleHandlerFactory.cs
- CorrelationRequestContext.cs
- XmlMemberMapping.cs
- InvalidProgramException.cs
- oledbmetadatacollectionnames.cs
- SafeProcessHandle.cs
- ImageList.cs
- Span.cs
- FileDialog_Vista_Interop.cs
- EmbossBitmapEffect.cs
- MsdtcWrapper.cs
- SqlErrorCollection.cs
- PrtTicket_Public.cs
- SiteMapNodeCollection.cs
- TargetConverter.cs
- _SslState.cs
- DataGridViewCellToolTipTextNeededEventArgs.cs
- IgnorePropertiesAttribute.cs
- ItemCheckEvent.cs
- CultureInfoConverter.cs
- DataException.cs
- ListViewDeleteEventArgs.cs
- CaseInsensitiveHashCodeProvider.cs
- StrokeIntersection.cs
- DataServiceHost.cs
- AdditionalEntityFunctions.cs
- ModuleConfigurationInfo.cs
- ShapeTypeface.cs
- TypedColumnHandler.cs
- SafeNativeMethodsCLR.cs
- OpCellTreeNode.cs
- SwitchAttribute.cs
- FileDialog.cs
- ClientRolePrincipal.cs
- TextSearch.cs
- RequestResizeEvent.cs
- ExpressionBuilderCollection.cs
- HandlerWithFactory.cs
- CqlWriter.cs
- PartManifestEntry.cs
- DataObject.cs
- EllipseGeometry.cs
- HitTestWithPointDrawingContextWalker.cs
- DataGridHeadersVisibilityToVisibilityConverter.cs
- Module.cs
- OLEDB_Util.cs
- DbProviderManifest.cs
- WebPartsPersonalization.cs
- HttpHandlersSection.cs
- ListDictionaryInternal.cs
- Brushes.cs
- KernelTypeValidation.cs
- MainMenu.cs
- GeneralTransform.cs
- ImageDrawing.cs
- _LocalDataStoreMgr.cs
- TreeNodeBindingCollection.cs
- ExtentJoinTreeNode.cs
- ColumnTypeConverter.cs
- TemplateBindingExtension.cs
- ClosableStream.cs
- ImageFormatConverter.cs
- ContainerCodeDomSerializer.cs
- DependencyPropertyConverter.cs
- DragDrop.cs
- VectorConverter.cs
- FixedSOMTextRun.cs
- QilUnary.cs
- DesignerActionItem.cs
- DataGridViewRowPostPaintEventArgs.cs
- SchemaEntity.cs
- HWStack.cs
- GroupStyle.cs
- GlyphCache.cs
- ScalarOps.cs
- Registry.cs
- MimeMultiPart.cs
- ProxyFragment.cs
- ViewEventArgs.cs
- FontConverter.cs
- ShapeTypeface.cs
- StorageComplexPropertyMapping.cs
- Stylesheet.cs
- EdmValidator.cs
- DesigntimeLicenseContextSerializer.cs