Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / System / Windows / Markup / BamlCollectionHolder.cs / 2 / 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, System.Windows.Markup.TypeConverterHelper.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, System.Windows.Markup.TypeConverterHelper.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, System.Windows.Markup.TypeConverterHelper.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, System.Windows.Markup.TypeConverterHelper.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
- SchemaMapping.cs
- PngBitmapDecoder.cs
- IconBitmapDecoder.cs
- ChangeNode.cs
- GlobalizationAssembly.cs
- ToolStripDropDownClosingEventArgs.cs
- CommandArguments.cs
- CategoriesDocument.cs
- CompressedStack.cs
- ValidatingPropertiesEventArgs.cs
- ComplexPropertyEntry.cs
- XmlSchemaSubstitutionGroup.cs
- FormViewPageEventArgs.cs
- arc.cs
- ImageKeyConverter.cs
- ConstantProjectedSlot.cs
- LedgerEntry.cs
- TrustLevel.cs
- Selector.cs
- ReaderWriterLock.cs
- TypeConverterValueSerializer.cs
- CustomErrorCollection.cs
- EntityDataSourceState.cs
- HwndKeyboardInputProvider.cs
- DropSource.cs
- FileNotFoundException.cs
- MembershipPasswordException.cs
- TargetParameterCountException.cs
- ISAPIApplicationHost.cs
- XmlElement.cs
- StringReader.cs
- ParameterReplacerVisitor.cs
- HelpKeywordAttribute.cs
- SchemaImporterExtension.cs
- FileDetails.cs
- HttpCacheVaryByContentEncodings.cs
- DataListItem.cs
- InternalPermissions.cs
- DefaultSerializationProviderAttribute.cs
- Model3DCollection.cs
- InspectionWorker.cs
- ButtonAutomationPeer.cs
- EventLogPermissionEntry.cs
- ChildrenQuery.cs
- DataGridColumn.cs
- MessageSmuggler.cs
- StoreContentChangedEventArgs.cs
- PackagingUtilities.cs
- XmlSchemaSimpleContentRestriction.cs
- IntSecurity.cs
- XsdValidatingReader.cs
- EnumType.cs
- StructuralCache.cs
- CultureNotFoundException.cs
- PropertyChangedEventManager.cs
- RowToParametersTransformer.cs
- EnumConverter.cs
- HandlerBase.cs
- List.cs
- DoubleLinkListEnumerator.cs
- ClientBuildManagerCallback.cs
- FilteredSchemaElementLookUpTable.cs
- AttributeUsageAttribute.cs
- Site.cs
- SwitchElementsCollection.cs
- DataKey.cs
- PropVariant.cs
- SoapHelper.cs
- IFormattable.cs
- DataGridColumnHeaderItemAutomationPeer.cs
- DbTransaction.cs
- BinaryExpression.cs
- Baml2006ReaderSettings.cs
- ProxyWebPartManager.cs
- WCFBuildProvider.cs
- CompleteWizardStep.cs
- RegisteredHiddenField.cs
- ChineseLunisolarCalendar.cs
- AttachedPropertyMethodSelector.cs
- StickyNoteHelper.cs
- FileLoadException.cs
- InkPresenterAutomationPeer.cs
- XsltCompileContext.cs
- RuntimeCompatibilityAttribute.cs
- JsonReaderWriterFactory.cs
- XmlSchemaFacet.cs
- ObjectNotFoundException.cs
- ClientCredentialsElement.cs
- EncoderReplacementFallback.cs
- ApplicationHost.cs
- TemplatedAdorner.cs
- SamlAuthenticationStatement.cs
- ResourceReferenceExpressionConverter.cs
- LicFileLicenseProvider.cs
- ControllableStoryboardAction.cs
- XPathDocumentIterator.cs
- DataGridViewComboBoxEditingControl.cs
- TextFormatterContext.cs
- ExtensionWindowHeader.cs
- RegistryConfigurationProvider.cs