Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / System / Windows / TemplateNameScope.cs / 1 / TemplateNameScope.cs
/****************************************************************************\ * * File: TemplateNameScope.cs * * Used to store mapping information for names occuring * within the template content section. * * Copyright (C) 2005 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.Diagnostics; using MS.Internal; using MS.Utility; using System.Collections.Generic; using System.Collections.Specialized; using System.Collections; using System.Windows.Markup; namespace System.Windows { //+----------------------------------------------------------------------------- // // Class TemplateNameScope // // This class implements the name scope that is used for template content // (i.e. that which is applied to each templated parent, not the template itself). // During apply (except for FEF-based templates), this is the INameScope to which the BamlRecordReader // calls. We take those opportunities to hook up FEs and FCEs (e.g. // with the TemplatedParent pointer). After apply, this services // FindName requests. // //+----------------------------------------------------------------------------- internal class TemplateNameScope : INameScope { #region Constructors // This constructor builds a name scope that just supports lookup. // This is used for FEF-based templates. internal TemplateNameScope(DependencyObject templatedParent) : this( templatedParent, null, null, null ) { } internal TemplateNameScope( DependencyObject templatedParent, ListaffectedChildren, UncommonField templatedNonFeChildrenField, FrameworkTemplate frameworkTemplate ) { Debug.Assert(templatedParent == null || (templatedParent is FrameworkElement || templatedParent is FrameworkContentElement), "Templates are only supported on FE/FCE containers."); _affectedChildren = affectedChildren; _templatedNonFeChildrenField = templatedNonFeChildrenField; _frameworkTemplate = frameworkTemplate; _templatedParent = templatedParent; _isTemplatedParentAnFE = true; } #endregion Constructors #region INameScope /// /// Registers the name - element combination /// /// Name of the element /// Element where name is defined void INameScope.RegisterName(string name, object scopedElement) { FrameworkElement fe; FrameworkContentElement fce; Helper.DowncastToFEorFCE( scopedElement as DependencyObject, out fe, out fce, false /*throwIfNeither*/ ); int childIndex; // First, though, do we actually have a templated parent? If not, // then we'll just set the properties directly on the element // (this is the serialization scenario). if( _templatedParent == null ) { if (_nameMap == null) { _nameMap = new HybridDictionary(); } _nameMap[name] = scopedElement; // No, we don't have a templated parent. Loop through // the shared values (assuming this is an FE/FCE), and set them // directly onto the element. if( fe != null || fce != null ) { SetTemplateParentValues( name, scopedElement ); } } // We have a templated parent, but is this not a FE/FCE? else if (fe == null && fce == null) { // All we need to do is update the _templatedNonFeChildren list Hashtable nonFeChildren = _templatedNonFeChildrenField.GetValue(_templatedParent); if (nonFeChildren == null) { nonFeChildren = new Hashtable(1); _templatedNonFeChildrenField.SetValue(_templatedParent, nonFeChildren); } nonFeChildren[name] = scopedElement; } // Otherwise, we need to hook this FE/FCE up to the template. else { // Update the list on the templated parent of the named FE/FCEs. _affectedChildren.Add(scopedElement as DependencyObject); // Update the TemplatedParent, IsTemplatedParentAnFE, and TemplateChildIndex. if( fe != null ) { fe._templatedParent = _templatedParent; fe.IsTemplatedParentAnFE = _isTemplatedParentAnFE; childIndex = fe.TemplateChildIndex = (int) _frameworkTemplate._childIndexFromChildName[name]; } else { fce._templatedParent = _templatedParent; fce.IsTemplatedParentAnFE = _isTemplatedParentAnFE; childIndex = fce.TemplateChildIndex = (int) _frameworkTemplate._childIndexFromChildName[name]; } // Make updates for the Loaded/Unloaded event listeners (if they're set). HybridDictionary templateChildLoadedDictionary = _frameworkTemplate._TemplateChildLoadedDictionary; FrameworkTemplate.TemplateChildLoadedFlags templateChildLoadedFlags = templateChildLoadedDictionary[ childIndex ] as FrameworkTemplate.TemplateChildLoadedFlags; if( templateChildLoadedFlags != null ) { if( templateChildLoadedFlags.HasLoadedChangedHandler || templateChildLoadedFlags.HasUnloadedChangedHandler ) { BroadcastEventHelper.AddHasLoadedChangeHandlerFlagInAncestry((fe != null) ? (DependencyObject)fe : (DependencyObject)fce); } } // Establish databinding instance data. StyleHelper.CreateInstanceDataForChild( StyleHelper.TemplateDataField, _templatedParent, (fe!=null) ? (DependencyObject)fe : (DependencyObject)fce, childIndex, _frameworkTemplate.HasInstanceValues, ref _frameworkTemplate.ChildRecordFromChildIndex); } } ////// Unregisters the name - element combination /// /// Name of the element void INameScope.UnregisterName(string name) { Debug.Assert(false, "Should never be trying to unregister via this interface for templates"); } ////// Find the element given name /// object INameScope.FindName(string name) { // _templatedParent is null if template.LoadContent() was responsible if (_templatedParent != null) { FrameworkObject fo = new FrameworkObject(_templatedParent); Debug.Assert(fo.IsFE); if (fo.IsFE) { return StyleHelper.FindNameInTemplateContent(fo.FE, name, fo.FE.TemplateInternal); } else { return null; } } else { if (_nameMap == null || name == null || name == String.Empty) return null; return _nameMap[name]; } } #endregion INameScope //+--------------------------------------------------------------------------------------------------------------- // // SetTemplateParentValues // // This method takes the "template parent values" (those that look like local values in the template), which // are ordinarily shared, and sets them as local values on the FE/FCE that was just created. This is used // during serialization. // //+---------------------------------------------------------------------------------------------------------------- private void SetTemplateParentValues( string name, object element ) { FrameworkTemplate.SetTemplateParentValues( name, element, _frameworkTemplate, ref _provideValueServiceProvider ); } #region Data // This is a HybridDictionary of Name->FE(FCE) mappings private List_affectedChildren; // This is the table of Name->NonFE mappings private static UncommonField _templatedNonFeChildrenField; // The templated parent we're instantiating for private DependencyObject _templatedParent; // The template we're instantiating private FrameworkTemplate _frameworkTemplate; // Is templated parent an FE or an FCE? private bool _isTemplatedParentAnFE; ProvideValueServiceProvider _provideValueServiceProvider; // This is a HybridDictionary of Name-Object maps private HybridDictionary _nameMap; #endregion Data } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /****************************************************************************\ * * File: TemplateNameScope.cs * * Used to store mapping information for names occuring * within the template content section. * * Copyright (C) 2005 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.Diagnostics; using MS.Internal; using MS.Utility; using System.Collections.Generic; using System.Collections.Specialized; using System.Collections; using System.Windows.Markup; namespace System.Windows { //+----------------------------------------------------------------------------- // // Class TemplateNameScope // // This class implements the name scope that is used for template content // (i.e. that which is applied to each templated parent, not the template itself). // During apply (except for FEF-based templates), this is the INameScope to which the BamlRecordReader // calls. We take those opportunities to hook up FEs and FCEs (e.g. // with the TemplatedParent pointer). After apply, this services // FindName requests. // //+----------------------------------------------------------------------------- internal class TemplateNameScope : INameScope { #region Constructors // This constructor builds a name scope that just supports lookup. // This is used for FEF-based templates. internal TemplateNameScope(DependencyObject templatedParent) : this( templatedParent, null, null, null ) { } internal TemplateNameScope( DependencyObject templatedParent, List affectedChildren, UncommonField templatedNonFeChildrenField, FrameworkTemplate frameworkTemplate ) { Debug.Assert(templatedParent == null || (templatedParent is FrameworkElement || templatedParent is FrameworkContentElement), "Templates are only supported on FE/FCE containers."); _affectedChildren = affectedChildren; _templatedNonFeChildrenField = templatedNonFeChildrenField; _frameworkTemplate = frameworkTemplate; _templatedParent = templatedParent; _isTemplatedParentAnFE = true; } #endregion Constructors #region INameScope /// /// Registers the name - element combination /// /// Name of the element /// Element where name is defined void INameScope.RegisterName(string name, object scopedElement) { FrameworkElement fe; FrameworkContentElement fce; Helper.DowncastToFEorFCE( scopedElement as DependencyObject, out fe, out fce, false /*throwIfNeither*/ ); int childIndex; // First, though, do we actually have a templated parent? If not, // then we'll just set the properties directly on the element // (this is the serialization scenario). if( _templatedParent == null ) { if (_nameMap == null) { _nameMap = new HybridDictionary(); } _nameMap[name] = scopedElement; // No, we don't have a templated parent. Loop through // the shared values (assuming this is an FE/FCE), and set them // directly onto the element. if( fe != null || fce != null ) { SetTemplateParentValues( name, scopedElement ); } } // We have a templated parent, but is this not a FE/FCE? else if (fe == null && fce == null) { // All we need to do is update the _templatedNonFeChildren list Hashtable nonFeChildren = _templatedNonFeChildrenField.GetValue(_templatedParent); if (nonFeChildren == null) { nonFeChildren = new Hashtable(1); _templatedNonFeChildrenField.SetValue(_templatedParent, nonFeChildren); } nonFeChildren[name] = scopedElement; } // Otherwise, we need to hook this FE/FCE up to the template. else { // Update the list on the templated parent of the named FE/FCEs. _affectedChildren.Add(scopedElement as DependencyObject); // Update the TemplatedParent, IsTemplatedParentAnFE, and TemplateChildIndex. if( fe != null ) { fe._templatedParent = _templatedParent; fe.IsTemplatedParentAnFE = _isTemplatedParentAnFE; childIndex = fe.TemplateChildIndex = (int) _frameworkTemplate._childIndexFromChildName[name]; } else { fce._templatedParent = _templatedParent; fce.IsTemplatedParentAnFE = _isTemplatedParentAnFE; childIndex = fce.TemplateChildIndex = (int) _frameworkTemplate._childIndexFromChildName[name]; } // Make updates for the Loaded/Unloaded event listeners (if they're set). HybridDictionary templateChildLoadedDictionary = _frameworkTemplate._TemplateChildLoadedDictionary; FrameworkTemplate.TemplateChildLoadedFlags templateChildLoadedFlags = templateChildLoadedDictionary[ childIndex ] as FrameworkTemplate.TemplateChildLoadedFlags; if( templateChildLoadedFlags != null ) { if( templateChildLoadedFlags.HasLoadedChangedHandler || templateChildLoadedFlags.HasUnloadedChangedHandler ) { BroadcastEventHelper.AddHasLoadedChangeHandlerFlagInAncestry((fe != null) ? (DependencyObject)fe : (DependencyObject)fce); } } // Establish databinding instance data. StyleHelper.CreateInstanceDataForChild( StyleHelper.TemplateDataField, _templatedParent, (fe!=null) ? (DependencyObject)fe : (DependencyObject)fce, childIndex, _frameworkTemplate.HasInstanceValues, ref _frameworkTemplate.ChildRecordFromChildIndex); } } ////// Unregisters the name - element combination /// /// Name of the element void INameScope.UnregisterName(string name) { Debug.Assert(false, "Should never be trying to unregister via this interface for templates"); } ////// Find the element given name /// object INameScope.FindName(string name) { // _templatedParent is null if template.LoadContent() was responsible if (_templatedParent != null) { FrameworkObject fo = new FrameworkObject(_templatedParent); Debug.Assert(fo.IsFE); if (fo.IsFE) { return StyleHelper.FindNameInTemplateContent(fo.FE, name, fo.FE.TemplateInternal); } else { return null; } } else { if (_nameMap == null || name == null || name == String.Empty) return null; return _nameMap[name]; } } #endregion INameScope //+--------------------------------------------------------------------------------------------------------------- // // SetTemplateParentValues // // This method takes the "template parent values" (those that look like local values in the template), which // are ordinarily shared, and sets them as local values on the FE/FCE that was just created. This is used // during serialization. // //+---------------------------------------------------------------------------------------------------------------- private void SetTemplateParentValues( string name, object element ) { FrameworkTemplate.SetTemplateParentValues( name, element, _frameworkTemplate, ref _provideValueServiceProvider ); } #region Data // This is a HybridDictionary of Name->FE(FCE) mappings private List_affectedChildren; // This is the table of Name->NonFE mappings private static UncommonField _templatedNonFeChildrenField; // The templated parent we're instantiating for private DependencyObject _templatedParent; // The template we're instantiating private FrameworkTemplate _frameworkTemplate; // Is templated parent an FE or an FCE? private bool _isTemplatedParentAnFE; ProvideValueServiceProvider _provideValueServiceProvider; // This is a HybridDictionary of Name-Object maps private HybridDictionary _nameMap; #endregion Data } } // 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
- MobileContainerDesigner.cs
- _TransmitFileOverlappedAsyncResult.cs
- compensatingcollection.cs
- AssemblyHash.cs
- ScriptControlManager.cs
- DataViewManager.cs
- SqlCacheDependencyDatabaseCollection.cs
- EdmMember.cs
- MultilineStringConverter.cs
- ParameterToken.cs
- UnitySerializationHolder.cs
- XPathAncestorIterator.cs
- ActivityXamlServices.cs
- CodeCommentStatementCollection.cs
- UserPreferenceChangingEventArgs.cs
- DeploymentExceptionMapper.cs
- securitymgrsite.cs
- TextTreeUndoUnit.cs
- GPRECT.cs
- FixedSOMContainer.cs
- InfoCardTraceRecord.cs
- UnsafeNativeMethods.cs
- BamlBinaryReader.cs
- ZoneButton.cs
- XmlNotation.cs
- NativeMethods.cs
- CustomTypeDescriptor.cs
- ItemCollectionEditor.cs
- EFAssociationProvider.cs
- EdmProviderManifest.cs
- UnmanagedMemoryStream.cs
- BuildResult.cs
- XamlSerializerUtil.cs
- MarkupProperty.cs
- HttpAsyncResult.cs
- Int32RectConverter.cs
- Set.cs
- BitmapEditor.cs
- UInt16.cs
- ParserOptions.cs
- Animatable.cs
- ProjectedSlot.cs
- ModelTreeEnumerator.cs
- LinkUtilities.cs
- FormatterServices.cs
- SafeSecurityHandles.cs
- SoapSchemaMember.cs
- GradientSpreadMethodValidation.cs
- HttpChannelHelpers.cs
- IsolatedStorageFileStream.cs
- RefExpr.cs
- ProxyAttribute.cs
- FormsAuthenticationConfiguration.cs
- SystemWebCachingSectionGroup.cs
- ConfigurationPropertyCollection.cs
- SspiSecurityTokenParameters.cs
- InstanceOwnerQueryResult.cs
- ValidationSummary.cs
- Control.cs
- AutomationEventArgs.cs
- TextPointerBase.cs
- SpeechUI.cs
- SqlConnectionHelper.cs
- ListControl.cs
- RelationshipEndCollection.cs
- DataGridViewRowsAddedEventArgs.cs
- UserControlAutomationPeer.cs
- SymDocumentType.cs
- IncrementalReadDecoders.cs
- ReversePositionQuery.cs
- DbConnectionInternal.cs
- WebControlParameterProxy.cs
- AdornerHitTestResult.cs
- XmlSchemaInfo.cs
- EndEvent.cs
- PublishLicense.cs
- TrackingStringDictionary.cs
- COAUTHINFO.cs
- TextSchema.cs
- Section.cs
- UpdateDelegates.Generated.cs
- CodeDirectiveCollection.cs
- EdmItemCollection.cs
- SmiEventStream.cs
- AuditLog.cs
- DetailsViewUpdatedEventArgs.cs
- OrderingExpression.cs
- RecognizedAudio.cs
- EncryptedData.cs
- PageCatalogPartDesigner.cs
- _AutoWebProxyScriptHelper.cs
- DataSourceSelectArguments.cs
- Vector3DAnimation.cs
- PtsHelper.cs
- BinaryOperationBinder.cs
- SqlDataSourceCustomCommandEditor.cs
- NavigatorOutput.cs
- MembershipPasswordException.cs
- FunctionImportMapping.cs
- Validator.cs