Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Input / Command / CommandValueSerializer.cs / 1305600 / CommandValueSerializer.cs
//------------------------------------------------------------------------ // // Microsoft Windows Client Platform // Copyright (C) Microsoft Corporation, 2005 // // File: CommandValueSerializer.cs // // Contents: ValueSerializer for the ICommand interface // // Created: 04/28/2005 [....] // //----------------------------------------------------------------------- namespace System.Windows.Input { using System; using System.Collections.Generic; using System.Text; using System.Windows.Markup; using System.Windows.Documents; // EditingCommands using System.Reflection; internal class CommandValueSerializer : ValueSerializer { public override bool CanConvertToString(object value, IValueSerializerContext context) { if (context == null || context.GetValueSerializerFor(typeof(Type)) == null) return false; // Can only convert routed commands RoutedCommand command = value as RoutedCommand; if (command == null || command.OwnerType == null) { return false; } if (CommandConverter.IsKnownType(command.OwnerType)) { return true; } else { string localName = command.Name + "Command"; Type ownerType = command.OwnerType; string typeName = ownerType.Name; // Get them from Properties PropertyInfo propertyInfo = ownerType.GetProperty(localName, BindingFlags.Public | BindingFlags.Static); if (propertyInfo != null) return true; // Get them from Fields (ScrollViewer.PageDownCommand is a static readonly field FieldInfo fieldInfo = ownerType.GetField(localName, BindingFlags.Static | BindingFlags.Public); if (fieldInfo != null) return true; } return false; } public override bool CanConvertFromString(string value, IValueSerializerContext context) { return true; } public override string ConvertToString(object value, IValueSerializerContext context) { if (value != null) { RoutedCommand command = value as RoutedCommand; if (null != command && null != command.OwnerType) { // Known Commands, so write shorter version if (CommandConverter.IsKnownType(command.OwnerType)) { return command.Name; } else { ValueSerializer typeSerializer = null; if (context == null) { throw new InvalidOperationException(SR.Get(SRID.ValueSerializerContextUnavailable, this.GetType().Name )); } // Get the ValueSerializer for the System.Type type typeSerializer = context.GetValueSerializerFor(typeof(Type)); if (typeSerializer == null) { throw new InvalidOperationException(SR.Get(SRID.TypeValueSerializerUnavailable, this.GetType().Name )); } return typeSerializer.ConvertToString(command.OwnerType, context) + "." + command.Name + "Command"; } } } else return string.Empty; throw GetConvertToException(value, typeof(string)); } public override IEnumerableTypeReferences(object value, IValueSerializerContext context) { if (value != null) { RoutedCommand command = value as RoutedCommand; if (command != null) { if (command.OwnerType != null && !CommandConverter.IsKnownType(command.OwnerType)) { return new Type[] { command.OwnerType }; } } } return base.TypeReferences(value, context); } public override object ConvertFromString(string value, IValueSerializerContext context) { if (value != null) { if (value != String.Empty) { Type declaringType = null; String commandName; // Check for "ns:Class.Command" syntax. int dotIndex = value.IndexOf('.'); if (dotIndex >= 0) { // We have "ns:Class.Command" syntax. // Find the type name in the form of "ns:Class". string typeName = value.Substring(0, dotIndex); if (context == null) { throw new InvalidOperationException(SR.Get(SRID.ValueSerializerContextUnavailable, this.GetType().Name )); } // Get the ValueSerializer for the System.Type type ValueSerializer typeSerializer = context.GetValueSerializerFor(typeof(Type)); if (typeSerializer == null) { throw new InvalidOperationException(SR.Get(SRID.TypeValueSerializerUnavailable, this.GetType().Name )); } // Use the TypeValueSerializer to parse the "ns:Class" into a System.Type. declaringType = typeSerializer.ConvertFromString(typeName, context) as Type; // Strip out the "Command" part of "ns:Class.Command". commandName = value.Substring(dotIndex + 1).Trim(); } else { // Assume the known commands commandName = value.Trim(); } // Find the command given the declaring type & name (this is shared with CommandConverter) ICommand command = CommandConverter.ConvertFromHelper( declaringType, commandName ); if (command != null) { return command; } } else { return null; // String.Empty <==> null , (for roundtrip cases where Command property values are null) } } return base.ConvertFromString(value, context); } } } // 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
- _UriSyntax.cs
- ScriptResourceInfo.cs
- util.cs
- FieldNameLookup.cs
- SqlInternalConnection.cs
- InternalUserCancelledException.cs
- WindowPattern.cs
- Adorner.cs
- TransportSecurityProtocolFactory.cs
- XmlUrlResolver.cs
- KerberosSecurityTokenAuthenticator.cs
- loginstatus.cs
- XmlSchema.cs
- MonitorWrapper.cs
- XamlValidatingReader.cs
- NativeMethods.cs
- Highlights.cs
- ImageButton.cs
- ChildDocumentBlock.cs
- Registry.cs
- EdmToObjectNamespaceMap.cs
- EditorPartCollection.cs
- SHA512CryptoServiceProvider.cs
- MappingModelBuildProvider.cs
- ClientBuildManagerCallback.cs
- ColorAnimationUsingKeyFrames.cs
- TabItem.cs
- EventMappingSettings.cs
- TransformGroup.cs
- SystemIcmpV4Statistics.cs
- ChannelServices.cs
- CachedBitmap.cs
- LabelAutomationPeer.cs
- SqlDataSourceAdvancedOptionsForm.cs
- CheckBox.cs
- TypeDescriptorContext.cs
- CombinedTcpChannel.cs
- BamlResourceContent.cs
- LinqMaximalSubtreeNominator.cs
- Propagator.cs
- ConditionalAttribute.cs
- InteropTrackingRecord.cs
- EdmProviderManifest.cs
- SelectorAutomationPeer.cs
- DragCompletedEventArgs.cs
- CompiledRegexRunner.cs
- GeometryCombineModeValidation.cs
- Group.cs
- ObjectPersistData.cs
- XmlDownloadManager.cs
- ResourceAttributes.cs
- TableCell.cs
- HtmlWindow.cs
- WebHeaderCollection.cs
- Vector3DAnimationBase.cs
- ArrangedElement.cs
- TreeNodeConverter.cs
- ConnectionConsumerAttribute.cs
- RealProxy.cs
- FrameworkEventSource.cs
- GACMembershipCondition.cs
- ZipIOExtraField.cs
- TcpTransportManager.cs
- SchemaImporterExtensionElement.cs
- StrokeNodeEnumerator.cs
- SimpleWorkerRequest.cs
- InternalResources.cs
- StrokeFIndices.cs
- TokenBasedSetEnumerator.cs
- MonthCalendar.cs
- odbcmetadatacolumnnames.cs
- Component.cs
- RegexWorker.cs
- LinqDataView.cs
- DecimalAnimationUsingKeyFrames.cs
- TaskDesigner.cs
- XamlSerializerUtil.cs
- XmlnsDefinitionAttribute.cs
- CqlLexer.cs
- SizeConverter.cs
- BaseParser.cs
- TypeDelegator.cs
- XmlSchemaParticle.cs
- SapiAttributeParser.cs
- SoapSchemaMember.cs
- ScriptingProfileServiceSection.cs
- MultiView.cs
- BlockCollection.cs
- SelectionRangeConverter.cs
- DynamicObject.cs
- XPathItem.cs
- ToolboxItemCollection.cs
- BitSet.cs
- CodeDirectoryCompiler.cs
- WebRequestModuleElement.cs
- BufferedWebEventProvider.cs
- QuadTree.cs
- FixedDSBuilder.cs
- ContractDescription.cs
- MSAAEventDispatcher.cs