ReachFixedPageSerializer.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Print / Reach / Serialization / manager / ReachFixedPageSerializer.cs / 2 / ReachFixedPageSerializer.cs
                        
                        
                            /*++ 

    Copyright (C) 2004- 2005 Microsoft Corporation
    All rights reserved.
 
    Module Name:
        ReachFixedPageSerializer.cs 
 
    Abstract:
        This file contains the definition of a class that 
        defines the common functionality required to serialize
        a FixedPage

    Author: 
        [....] ([....]) 1-December-2004
 
    Revision History: 
--*/
 
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized; 
using System.ComponentModel;
using System.Diagnostics; 
using System.Reflection; 
using System.Xml;
using System.IO; 
using System.Printing;
using System.Security;
using System.Security.Permissions;
using System.ComponentModel.Design.Serialization; 
using System.Windows.Xps.Packaging;
using System.Windows.Documents; 
using System.Windows.Media; 
using System.Windows.Markup;
 
namespace System.Windows.Xps.Serialization
{
    /// 
    /// Class defining common functionality required to 
    /// serialize a FixedPage.
    ///  
    internal class FixedPageSerializer : 
                   ReachSerializer
    { 
        #region Constructor

        /// 
        /// Constructor for class FixedPageSerializer 
        /// 
        ///  
        /// The serialization manager, the services of which are 
        /// used later in the serialization process of the type.
        ///  
        public
        FixedPageSerializer(
            PackageSerializationManager manager
            ): 
        base(manager)
        { 
 
        }
 
        #endregion Constructor

        #region Public Methods
 
        /// 
        /// The main method that is called to serialize a FixedPage. 
        ///  
        /// 
        /// Instance of object to be serialized. 
        /// 
        public
        override
        void 
        SerializeObject(
            Object serializedObject 
            ) 
        {
            // 
            // Create the ImageTable required by the Type Converters
            // The Image table at this time is shared / currentPage
            //
            ((XpsSerializationManager)SerializationManager).ResourcePolicy.CurrentPageImageTable = new Dictionary(); 
            //
            // Create the ColorContextTable required by the Type Converters 
            // The Image table at this time is shared / currentPage 
            //
            ((XpsSerializationManager)SerializationManager).ResourcePolicy.CurrentPageColorContextTable = new Dictionary(); 
            //
            // Create the ResourceDictionaryTable required by the Type Converters
            // The Image table at this time is shared / currentPage
            // 
            ((XpsSerializationManager)SerializationManager).ResourcePolicy.CurrentPageResourceDictionaryTable = new Dictionary();
 
            base.SerializeObject(serializedObject); 
        }
 
        #endregion Public Methods

        #region Internal Methods
 
        /// 
        /// The main method that is called to serialize the FixedPage 
        /// and that is usually called from within the serialization manager 
        /// when a node in the graph of objects is at a turn where it should
        /// be serialized. 
        /// 
        /// 
        /// The context of the property being serialized at this time and
        /// it points internally to the object encapsulated by that node. 
        /// 
        internal 
        override 
        void
        SerializeObject( 
            SerializablePropertyContext serializedProperty
            )
        {
            // 
            // Create the ImageTable required by the Type Converters
            // The Image table at this time is shared / currentPage 
            // 
            ((XpsSerializationManager)SerializationManager).ResourcePolicy.CurrentPageImageTable = new Dictionary();
            // 
            // Create the ColorContextTable required by the Type Converters
            // The Image table at this time is shared / currentPage
            //
            ((XpsSerializationManager)SerializationManager).ResourcePolicy.CurrentPageColorContextTable = new Dictionary(); 
            //
            // Create the ResourceDictionaryTable required by the Type Converters 
            // The Image table at this time is shared / currentPage 
            //
            ((XpsSerializationManager)SerializationManager).ResourcePolicy.CurrentPageResourceDictionaryTable = new Dictionary(); 

            base.SerializeObject(serializedProperty);
        }
 
        /// 
        /// The method is called once the object data is discovered at that 
        /// point of the serialization process. 
        /// 
        ///  
        /// The context of the object to be serialized at this time.
        /// 
        internal
        override 
        void
        PersistObjectData( 
            SerializableObjectContext   serializableObjectContext 
            )
        { 
            Toolbox.StartEvent(MS.Utility.EventTraceGuidId.DRXSERIALIZATIONGUID);

            if(serializableObjectContext == null)
            { 
                throw new ArgumentNullException("serializableObjectContext");
            } 
 
            if( SerializationManager is XpsSerializationManager)
            { 
               (SerializationManager as XpsSerializationManager).RegisterPageStart();
            }

            FixedPage fixedPage = serializableObjectContext.TargetObject as FixedPage; 

            ReachTreeWalker treeWalker = new ReachTreeWalker(this); 
            treeWalker.SerializeLinksInFixedPage((FixedPage)serializableObjectContext.TargetObject); 

            String xmlnsForType = SerializationManager.GetXmlNSForType(serializableObjectContext.TargetObject.GetType()); 

            if(xmlnsForType == null)
            {
                XmlWriter.WriteStartElement(serializableObjectContext.Name); 
            }
            else 
            { 
                XmlWriter.WriteStartElement(serializableObjectContext.Name);
 
                XmlWriter.WriteAttributeString(XpsS0Markup.Xmlns, xmlnsForType);
                XmlWriter.WriteAttributeString(XpsS0Markup.XmlnsX, XpsS0Markup.XmlnsXSchema);

                XmlLanguage language = fixedPage.Language; 
                if (language == null)
                { 
                    //If the language property is null, assign the language to the default 
                    language = XmlLanguage.GetLanguage(XpsS0Markup.XmlLangValue);
                } 

                SerializationManager.Language = language;

                XmlWriter.WriteAttributeString(XpsS0Markup.XmlLang, language.ToString()); 
            }
            { 
                Size fixedPageSize = new Size(fixedPage.Width, fixedPage.Height); 
                ((XpsSerializationManager)SerializationManager).FixedPageSize = fixedPageSize;
 
                //
                // Before we serialize any properties on the FixedPage, we need to
                // serialize the FixedPage as a Visual
                // 
                Visual fixedPageAsVisual = serializableObjectContext.TargetObject as Visual;
 
                bool   needEndVisual     = false; 

                if(fixedPageAsVisual != null) 
                {
                    needEndVisual = SerializePageAsVisual(fixedPageAsVisual);
                }
 
                if (serializableObjectContext.IsComplexValue)
                { 
                    PrintTicket printTicket = ((XpsSerializationManager)SerializationManager).FixedPagePrintTicket; 

                    if(printTicket != null) 
                    {
                        PrintTicketSerializer serializer = new PrintTicketSerializer(SerializationManager);
                        serializer.SerializeObject(printTicket);
                        ((XpsSerializationManager)SerializationManager).FixedPagePrintTicket = null; 
                    }
 
                    SerializeObjectCore(serializableObjectContext); 
                }
                else 
                {
                    throw new XpsSerializationException(ReachSR.Get(ReachSRID.ReachSerialization_WrongPropertyTypeForFixedPage));
                }
 
                if(needEndVisual)
                { 
                    XmlWriter           pageWriter  = ((XpsSerializationManager)SerializationManager). 
                                                      PackagingPolicy.AcquireXmlWriterForPage();
 
                    XmlWriter           resWriter   = ((XpsSerializationManager)SerializationManager).
                                                      PackagingPolicy.AcquireXmlWriterForResourceDictionary();

 
                    VisualTreeFlattener flattener  = ((XpsSerializationManager)SerializationManager).
                                                      VisualSerializationService.AcquireVisualTreeFlattener(resWriter, 
                                                                                                            pageWriter, 
                                                                                                            fixedPageSize);
 
                    flattener.EndVisual();
                }

            } 

            ((XpsSerializationManager)SerializationManager).PackagingPolicy.PreCommitCurrentPage(); 
 
            //
            // Copy hyperlinks into stream 
            //
            treeWalker.CommitHyperlinks();

            XmlWriter.WriteEndElement(); 
            //
            //Release used resources 
            // 
            XmlWriter = null;
            // 
            // Free the image table in use for this page
            //
            ((XpsSerializationManager)SerializationManager).ResourcePolicy.CurrentPageImageTable = null;
            // 
            // Free the colorContext table in use for this page
            // 
            ((XpsSerializationManager)SerializationManager).ResourcePolicy.CurrentPageColorContextTable = null; 
            //
            // Free the resourceDictionary table in use for this page 
            //
            ((XpsSerializationManager)SerializationManager).ResourcePolicy.CurrentPageResourceDictionaryTable = null;

            ((XpsSerializationManager)SerializationManager).VisualSerializationService.ReleaseVisualTreeFlattener(); 

            if( SerializationManager is XpsSerializationManager) 
            { 
               (SerializationManager as XpsSerializationManager).RegisterPageEnd();
            } 

            //
            // Signal to any registered callers that the Page has been serialized
            // 
            XpsSerializationProgressChangedEventArgs progressEvent =
            new XpsSerializationProgressChangedEventArgs(XpsWritingProgressChangeLevel.FixedPageWritingProgress, 
                                                         0, 
                                                         0,
                                                         null); 

            ((XpsSerializationManager)SerializationManager).OnXPSSerializationProgressChanged(progressEvent);

            Toolbox.EndEvent(MS.Utility.EventTraceGuidId.DRXSERIALIZATIONGUID); 
        }
 
        ///  
        /// This method is the one that writes out the attribute within
        /// the xml stream when serializing simple properties. 
        /// 
        /// 
        /// The property that is to be serialized as an attribute at this time.
        ///  
        internal
        override 
        void 
        WriteSerializedAttribute(
            SerializablePropertyContext serializablePropertyContext 
            )
        {
            if(serializablePropertyContext == null)
            { 
                throw new ArgumentNullException("serializablePropertyContext");
            } 
 
            String attributeValue = String.Empty;
 
            attributeValue = GetValueOfAttributeAsString(serializablePropertyContext);

            if ( (attributeValue != null) &&
                 (attributeValue.Length > 0) ) 
            {
                // 
                // Emit name="value" attribute 
                //
                XmlWriter.WriteAttributeString(serializablePropertyContext.Name, attributeValue); 
            }
        }

        ///  
        /// Converts the Value of the Attribute to a String by calling into
        /// the appropriate type converters. 
        ///  
        /// 
        /// The property that is to be serialized as an attribute at this time. 
        /// 
        private
        String
        GetValueOfAttributeAsString( 
            SerializablePropertyContext serializablePropertyContext
            ) 
        { 
            if(serializablePropertyContext == null)
            { 
                throw new ArgumentNullException("serializablePropertyContext");
            }

            String valueAsString                  = null; 
            Object targetObjectContainingProperty = serializablePropertyContext.TargetObject;
            Object propertyValue                  = serializablePropertyContext.Value; 
 
            if(propertyValue != null)
            { 
                TypeConverter typeConverter = serializablePropertyContext.TypeConverter;

                valueAsString = typeConverter.ConvertToInvariantString(new XpsTokenContext(SerializationManager,
                                                                                             serializablePropertyContext), 
                                                                       propertyValue);
 
 
                if (typeof(Type).IsInstanceOfType(propertyValue))
                { 
                    int index = valueAsString.LastIndexOf('.');

                    if (index > 0)
                    { 
                        valueAsString = valueAsString.Substring(index + 1);
                    } 
 
                    valueAsString = XpsSerializationManager.TypeOfString + valueAsString + "}";
                } 
            }
            else
            {
                valueAsString = XpsSerializationManager.NullString; 
            }
 
            return valueAsString; 
        }
 
        #endregion Internal Methods

        #region Public Properties
 
        /// 
        /// Queries / Set the XmlWriter for a FixedPage. 
        ///  
        public
        override 
        XmlWriter
        XmlWriter
        {
            get 
            {
                if(base.XmlWriter == null) 
                { 
                    base.XmlWriter = SerializationManager.AcquireXmlWriter(typeof(FixedPage));
                } 

                return base.XmlWriter;
            }
 
            set
            { 
                base.XmlWriter = null; 
                SerializationManager.ReleaseXmlWriter(typeof(FixedPage));
            } 
        }

        #endregion Public Properties
 
        #region Private Methods
 
        private 
        bool
        SerializePageAsVisual( 
            Visual fixedPageAsVisual
            )
        {
            bool needEndVisual = false; 

            ReachVisualSerializer serializer = new ReachVisualSerializer(SerializationManager); 
 
            if(serializer!=null)
            { 
                needEndVisual = serializer.SerializeDisguisedVisual(fixedPageAsVisual);
            }
            else
            { 
                throw new XpsSerializationException(ReachSR.Get(ReachSRID.ReachSerialization_NoSerializer));
            } 
 
            return needEndVisual;
        } 

        #endregion Private Methods
    };
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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ReachFixedPageSerializer.cs source code in C# .NET

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