Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / MS / Internal / documents / Application / DocumentApplicationJournalEntry.cs / 1 / DocumentApplicationJournalEntry.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Attached to custom journal entries created for changes in the DocumentApplication's // UI state. // // History: // 06/24/2005 - JeremyNS created // //--------------------------------------------------------------------------- using System; using System.Runtime.Serialization; using System.Security; using System.Security.Permissions; using System.Diagnostics; using System.Windows; using System.Windows.Documents; using System.Windows.Navigation; using System.Windows.Controls; namespace MS.Internal.Documents.Application { ////// DocumentApplicationJournalEntry is not a real journal entry, just the CustomContentState /// attached to one. It wraps a DocumentApplicationState object, which is the actual view state. /// The split is needed because PresentationUI cannot access internal Framework classes and methods. /// [Serializable] internal sealed class DocumentApplicationJournalEntry : System.Windows.Navigation.CustomContentState { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- ////// Constructs a DocumentApplicationJournalEntry /// /// State of the DocumentApplication to journal /// Name of the journal entry to display in the UI. /// If this is null it will default to the URI source. public DocumentApplicationJournalEntry(object state, string name) { Invariant.Assert(state is DocumentApplicationState, "state should be of type DocumentApplicationState"); // Store parameters locally. _state = state; _displayName = name; } public DocumentApplicationJournalEntry(object state): this(state, null) { } //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- ////// Used to reset the UI to state of this entry /// /// NavigationService currently running /// Navigation direction ////// Critical: set_StoredDocumentApplicationState is defined in a non-APTCA assembly. /// TreatAsSafe: call to set_StoredDocumentApplicationState does not entail any risk. /// [SecurityCritical, SecurityTreatAsSafe] public override void Replay(NavigationService navigationService, NavigationMode mode) { ContentControl navigator = (ContentControl)navigationService.INavigatorHost; // Find a reference to the DocumentViewer hosted in the NavigationWindow // On initial history navigation in the browser, the window's layout may not have been // done yet. ApplyTemplate() causes the viewer to be created. navigator.ApplyTemplate(); DocumentApplicationDocumentViewer docViewer = navigator.Template.FindName( "PUIDocumentApplicationDocumentViewer", navigator) as DocumentApplicationDocumentViewer; Debug.Assert(docViewer != null, "PUIDocumentApplicationDocumentViewer not found."); if (docViewer != null) { // Set the new state on the DocumentViewer if (_state is DocumentApplicationState) { docViewer.StoredDocumentApplicationState = (DocumentApplicationState)_state; } // Check that a Document exists. if (navigationService.Content != null) { IDocumentPaginatorSource document = navigationService.Content as IDocumentPaginatorSource; // If the document has already been paginated (could happen in the // case of a fragment navigation), then set the DocumentViewer to the // new state that was set. if ((document != null) && (document.DocumentPaginator.IsPageCountValid)) { docViewer.SetUIToStoredState(); } } } } public override string JournalEntryName { get { return _displayName; } } //------------------------------------------------------ // // Private Fields. // //------------------------------------------------------ // The DocumentApplicationState has been weakly-typed to avoid PresentationFramework // having a type dependency on PresentationUI. The perf impact of the weak // typed variables in this case was determined to be much less than forcing the load // of a new assembly when Assembly.GetTypes was called on PresentationFramework. private object _state; // DocumentApplicationState private string _displayName; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Attached to custom journal entries created for changes in the DocumentApplication's // UI state. // // History: // 06/24/2005 - JeremyNS created // //--------------------------------------------------------------------------- using System; using System.Runtime.Serialization; using System.Security; using System.Security.Permissions; using System.Diagnostics; using System.Windows; using System.Windows.Documents; using System.Windows.Navigation; using System.Windows.Controls; namespace MS.Internal.Documents.Application { ////// DocumentApplicationJournalEntry is not a real journal entry, just the CustomContentState /// attached to one. It wraps a DocumentApplicationState object, which is the actual view state. /// The split is needed because PresentationUI cannot access internal Framework classes and methods. /// [Serializable] internal sealed class DocumentApplicationJournalEntry : System.Windows.Navigation.CustomContentState { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- ////// Constructs a DocumentApplicationJournalEntry /// /// State of the DocumentApplication to journal /// Name of the journal entry to display in the UI. /// If this is null it will default to the URI source. public DocumentApplicationJournalEntry(object state, string name) { Invariant.Assert(state is DocumentApplicationState, "state should be of type DocumentApplicationState"); // Store parameters locally. _state = state; _displayName = name; } public DocumentApplicationJournalEntry(object state): this(state, null) { } //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- ////// Used to reset the UI to state of this entry /// /// NavigationService currently running /// Navigation direction ////// Critical: set_StoredDocumentApplicationState is defined in a non-APTCA assembly. /// TreatAsSafe: call to set_StoredDocumentApplicationState does not entail any risk. /// [SecurityCritical, SecurityTreatAsSafe] public override void Replay(NavigationService navigationService, NavigationMode mode) { ContentControl navigator = (ContentControl)navigationService.INavigatorHost; // Find a reference to the DocumentViewer hosted in the NavigationWindow // On initial history navigation in the browser, the window's layout may not have been // done yet. ApplyTemplate() causes the viewer to be created. navigator.ApplyTemplate(); DocumentApplicationDocumentViewer docViewer = navigator.Template.FindName( "PUIDocumentApplicationDocumentViewer", navigator) as DocumentApplicationDocumentViewer; Debug.Assert(docViewer != null, "PUIDocumentApplicationDocumentViewer not found."); if (docViewer != null) { // Set the new state on the DocumentViewer if (_state is DocumentApplicationState) { docViewer.StoredDocumentApplicationState = (DocumentApplicationState)_state; } // Check that a Document exists. if (navigationService.Content != null) { IDocumentPaginatorSource document = navigationService.Content as IDocumentPaginatorSource; // If the document has already been paginated (could happen in the // case of a fragment navigation), then set the DocumentViewer to the // new state that was set. if ((document != null) && (document.DocumentPaginator.IsPageCountValid)) { docViewer.SetUIToStoredState(); } } } } public override string JournalEntryName { get { return _displayName; } } //------------------------------------------------------ // // Private Fields. // //------------------------------------------------------ // The DocumentApplicationState has been weakly-typed to avoid PresentationFramework // having a type dependency on PresentationUI. The perf impact of the weak // typed variables in this case was determined to be much less than forcing the load // of a new assembly when Assembly.GetTypes was called on PresentationFramework. private object _state; // DocumentApplicationState private string _displayName; } } // 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
- LocalizationCodeDomSerializer.cs
- ConstructorNeedsTagAttribute.cs
- SqlWriter.cs
- SourceInterpreter.cs
- DataSourceSerializationException.cs
- Composition.cs
- ClickablePoint.cs
- XmlException.cs
- XmlBinaryReader.cs
- GroupBoxAutomationPeer.cs
- ArrayTypeMismatchException.cs
- TimeSpanConverter.cs
- WindowsGrip.cs
- MetadataItem_Static.cs
- DashStyles.cs
- _HeaderInfoTable.cs
- XmlCountingReader.cs
- Int32EqualityComparer.cs
- xamlnodes.cs
- ApplicationActivator.cs
- ConnectorMovedEventArgs.cs
- SortDescription.cs
- Bidi.cs
- MediaSystem.cs
- InstanceDataCollection.cs
- SafeArrayTypeMismatchException.cs
- fixedPageContentExtractor.cs
- ContextMenu.cs
- DeclarativeCatalogPart.cs
- DefinitionUpdate.cs
- DbMetaDataColumnNames.cs
- SQlBooleanStorage.cs
- XmlDocumentSerializer.cs
- FloatAverageAggregationOperator.cs
- EntityStoreSchemaGenerator.cs
- CompositionAdorner.cs
- FormView.cs
- HostingEnvironmentWrapper.cs
- DataServiceQuery.cs
- ConnectionStringsExpressionBuilder.cs
- XmlCharCheckingWriter.cs
- IdentityHolder.cs
- EventHandlerList.cs
- GradientSpreadMethodValidation.cs
- ToolStripDropDown.cs
- StorageMappingFragment.cs
- ActivityCodeDomSerializationManager.cs
- DataGridViewButtonColumn.cs
- _SslStream.cs
- ObjectCloneHelper.cs
- AQNBuilder.cs
- FontNamesConverter.cs
- FaultException.cs
- XamlSerializationHelper.cs
- DataGridColumnHeaderItemAutomationPeer.cs
- SiblingIterators.cs
- XsltArgumentList.cs
- PropertyValueChangedEvent.cs
- DataListCommandEventArgs.cs
- BezierSegment.cs
- ProfileModule.cs
- Aggregates.cs
- CustomError.cs
- MaterialGroup.cs
- ExtensionSurface.cs
- ChangeTracker.cs
- HtmlElement.cs
- SystemThemeKey.cs
- TreeNodeStyle.cs
- Attributes.cs
- ListCollectionView.cs
- ExpressionDumper.cs
- XmlSchemaAnnotation.cs
- XmlBindingWorker.cs
- FormViewPageEventArgs.cs
- AnnotationResource.cs
- SafeArrayRankMismatchException.cs
- PerspectiveCamera.cs
- RMEnrollmentPage1.cs
- PropertyKey.cs
- RegexStringValidatorAttribute.cs
- XmlDataCollection.cs
- HwndSource.cs
- rsa.cs
- ScrollChrome.cs
- WebException.cs
- AutomationElementIdentifiers.cs
- HtmlInputHidden.cs
- AttachedPropertyBrowsableWhenAttributePresentAttribute.cs
- TableRow.cs
- RuntimeHelpers.cs
- IndexedString.cs
- ParseNumbers.cs
- XmlSchemaAnnotation.cs
- LabelLiteral.cs
- LogReservationCollection.cs
- SystemWebCachingSectionGroup.cs
- RegexInterpreter.cs
- PanelStyle.cs
- SqlConnection.cs