Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / TemplateNameScope.cs / 1305600 / 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 )
{
}
internal TemplateNameScope(
DependencyObject templatedParent,
List affectedChildren,
FrameworkTemplate frameworkTemplate )
{
Debug.Assert(templatedParent == null || (templatedParent is FrameworkElement || templatedParent is FrameworkContentElement),
"Templates are only supported on FE/FCE containers.");
_affectedChildren = affectedChildren;
_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)
{
// We register FrameworkElements and FrameworkContentElements in FrameworkTemplate.cs
// Since we register them during object creation, we don't need to process it the second
// time it shows up.
if (!(scopedElement is FrameworkContentElement || scopedElement is FrameworkElement))
{
RegisterNameInternal(name, scopedElement);
}
}
internal void RegisterNameInternal(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];
}
// Entries into the NameScope MUST match the location in the AffectedChildren list
Debug.Assert(_affectedChildren.Count == childIndex);
// 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 = (UncommonField)StyleHelper.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 )
{
}
internal TemplateNameScope(
DependencyObject templatedParent,
List affectedChildren,
FrameworkTemplate frameworkTemplate )
{
Debug.Assert(templatedParent == null || (templatedParent is FrameworkElement || templatedParent is FrameworkContentElement),
"Templates are only supported on FE/FCE containers.");
_affectedChildren = affectedChildren;
_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)
{
// We register FrameworkElements and FrameworkContentElements in FrameworkTemplate.cs
// Since we register them during object creation, we don't need to process it the second
// time it shows up.
if (!(scopedElement is FrameworkContentElement || scopedElement is FrameworkElement))
{
RegisterNameInternal(name, scopedElement);
}
}
internal void RegisterNameInternal(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];
}
// Entries into the NameScope MUST match the location in the AffectedChildren list
Debug.Assert(_affectedChildren.Count == childIndex);
// 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 = (UncommonField)StyleHelper.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
- httpserverutility.cs
- ArgumentException.cs
- TreeNodeBinding.cs
- MasterPageParser.cs
- SchemaNamespaceManager.cs
- ActiveXHelper.cs
- XmlTextAttribute.cs
- ModifierKeysValueSerializer.cs
- LambdaExpression.cs
- ConnectionManager.cs
- PointCollection.cs
- PageContentCollection.cs
- SortDescription.cs
- BamlLocalizableResource.cs
- ColumnBinding.cs
- ComboBox.cs
- CodeGenerator.cs
- HttpCacheVaryByContentEncodings.cs
- StrokeNodeOperations2.cs
- ComboBox.cs
- DesignerActionVerbList.cs
- ClientApiGenerator.cs
- RotationValidation.cs
- ElementAtQueryOperator.cs
- Cell.cs
- ServiceDescriptions.cs
- ViewSimplifier.cs
- FileDialog_Vista_Interop.cs
- TreeNodeMouseHoverEvent.cs
- Size3D.cs
- Command.cs
- StructuredProperty.cs
- XmlSchemaAnnotated.cs
- EntityContainerRelationshipSet.cs
- CryptoConfig.cs
- HtmlForm.cs
- AuditLevel.cs
- QuadraticBezierSegment.cs
- Timer.cs
- XmlBaseWriter.cs
- SqlCharStream.cs
- StructuredTypeEmitter.cs
- RemoteAsymmetricSignatureFormatter.cs
- ToolStripContainer.cs
- ServiceDiscoveryBehavior.cs
- BaseResourcesBuildProvider.cs
- InputLanguageSource.cs
- AsymmetricAlgorithm.cs
- LogStore.cs
- ScriptMethodAttribute.cs
- HexParser.cs
- TouchPoint.cs
- ShaderRenderModeValidation.cs
- SelectionEditor.cs
- MultiSelectRootGridEntry.cs
- Mappings.cs
- UserPreferenceChangingEventArgs.cs
- Int32.cs
- ComboBoxAutomationPeer.cs
- ErrorRuntimeConfig.cs
- FragmentQuery.cs
- Input.cs
- VirtualDirectoryMappingCollection.cs
- InputLanguage.cs
- ReverseInheritProperty.cs
- SizeIndependentAnimationStorage.cs
- ClickablePoint.cs
- FrugalMap.cs
- StringFunctions.cs
- CodePageEncoding.cs
- BitmapFrameDecode.cs
- SizeChangedInfo.cs
- ExplicitDiscriminatorMap.cs
- BaseCAMarshaler.cs
- ExpressionNormalizer.cs
- ToolStripMenuItem.cs
- ItemType.cs
- TabItem.cs
- ButtonFieldBase.cs
- ServiceEndpoint.cs
- LocalizedNameDescriptionPair.cs
- DiscardableAttribute.cs
- ProcessModule.cs
- relpropertyhelper.cs
- IriParsingElement.cs
- SharedPersonalizationStateInfo.cs
- PrintSystemException.cs
- TextOnlyOutput.cs
- ClientProtocol.cs
- DataControlField.cs
- SQLInt16Storage.cs
- DefaultPropertyAttribute.cs
- BmpBitmapEncoder.cs
- GeometryValueSerializer.cs
- SourceSwitch.cs
- TypeConverter.cs
- MonthCalendarDesigner.cs
- RecordsAffectedEventArgs.cs
- CollectionsUtil.cs
- WinInet.cs