Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / Tools / System.Activities.Presentation / System / Activities / Presentation / View / TypeKeyValue.cs / 1305376 / TypeKeyValue.cs
namespace System.Activities.Presentation.View { using System; using System.Collections.ObjectModel; using System.ComponentModel; using System.Windows; using System.Windows.Automation.Peers; using System.Windows.Input; //helper class, used to resolve generics. supports cascading generic type arguments (i.e. IList< IList < int > >) internal class TypeKeyValue : INotifyPropertyChanged { string errorText; //generic type Type genericType; bool isValid = true; //generic's type generic parameters ObservableCollection < TypeKeyValue > subTypes = new ObservableCollection < TypeKeyValue >(); //target type Type targetType; //type resolver reference Action < TypeKeyValue > typeChangedCallBack; //if this type is selected bool isSelected; Funcfilter; ObservableCollection mostRecentlyUsedTypes; //if type presenter should skip the drop down list bool browseTypeDirectly = true; public TypeKeyValue(Type genericType, Action < TypeKeyValue > typeChangedCallBack) { this.GenericType = genericType; this.typeChangedCallBack = typeChangedCallBack; } public event PropertyChangedEventHandler PropertyChanged; public string ErrorText { get { return this.errorText; } set { this.errorText = value; OnPropertyChanged("ErrorText"); } } public Type GenericType { get { return this.genericType; } set { this.genericType = value; OnPropertyChanged("GenericType"); } } public bool IsSelected { get { return this.isSelected; } set { this.isSelected = value; OnPropertyChanged("IsSelected"); } } public Func Filter { get { return this.filter; } set { this.filter = value; OnPropertyChanged("Filter"); } } public ObservableCollection MostRecentlyUsedTypes { get { return this.mostRecentlyUsedTypes; } set { this.mostRecentlyUsedTypes = value; OnPropertyChanged("MostRecentlyUsedTypes"); } } public bool BrowseTypeDirectly { get { return this.browseTypeDirectly; } set { this.browseTypeDirectly = value; OnPropertyChanged("BrowseTypeDirectly"); } } public bool IsValid { get { return this.isValid; } set { this.isValid = value; OnPropertyChanged("IsValid"); } } public ObservableCollection < TypeKeyValue > SubTypes { get { return this.subTypes; } } public Type TargetType { get { return this.targetType; } set { this.targetType = value; //whenever target type changes, check if there are some generic parameters required LoadGenericTypes(); OnPropertyChanged("TargetType"); if (typeChangedCallBack != null) { typeChangedCallBack(this); } } } public Type GetConcreteType() { Type result = null; if (null != this.targetType) { //do we have generic? if (this.targetType.IsGenericTypeDefinition) { //resolve all generic arguments Type[] arguments = new Type[this.subTypes.Count]; bool isValid = true; for (int i = 0; i < this.subTypes.Count && isValid; ++i) { arguments[i] = this.subTypes[i].GetConcreteType(); isValid = (null != arguments[i]); } if (isValid) { //and create target type result = this.targetType.MakeGenericType(arguments); } } else { result = targetType; } } return result; } void LoadGenericTypes() { this.subTypes.Clear(); if (null != this.targetType && this.targetType.IsGenericTypeDefinition) { Type[] generics = this.targetType.GetGenericArguments(); foreach (Type t in generics) { TypeKeyValue entry = new TypeKeyValue(t, typeChangedCallBack); this.subTypes.Add(entry); typeChangedCallBack(entry); } } } void OnPropertyChanged(string propertyName) { if (null != PropertyChanged) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. namespace System.Activities.Presentation.View { using System; using System.Collections.ObjectModel; using System.ComponentModel; using System.Windows; using System.Windows.Automation.Peers; using System.Windows.Input; //helper class, used to resolve generics. supports cascading generic type arguments (i.e. IList< IList < int > >) internal class TypeKeyValue : INotifyPropertyChanged { string errorText; //generic type Type genericType; bool isValid = true; //generic's type generic parameters ObservableCollection < TypeKeyValue > subTypes = new ObservableCollection < TypeKeyValue >(); //target type Type targetType; //type resolver reference Action < TypeKeyValue > typeChangedCallBack; //if this type is selected bool isSelected; Func filter; ObservableCollection mostRecentlyUsedTypes; //if type presenter should skip the drop down list bool browseTypeDirectly = true; public TypeKeyValue(Type genericType, Action < TypeKeyValue > typeChangedCallBack) { this.GenericType = genericType; this.typeChangedCallBack = typeChangedCallBack; } public event PropertyChangedEventHandler PropertyChanged; public string ErrorText { get { return this.errorText; } set { this.errorText = value; OnPropertyChanged("ErrorText"); } } public Type GenericType { get { return this.genericType; } set { this.genericType = value; OnPropertyChanged("GenericType"); } } public bool IsSelected { get { return this.isSelected; } set { this.isSelected = value; OnPropertyChanged("IsSelected"); } } public Func Filter { get { return this.filter; } set { this.filter = value; OnPropertyChanged("Filter"); } } public ObservableCollection MostRecentlyUsedTypes { get { return this.mostRecentlyUsedTypes; } set { this.mostRecentlyUsedTypes = value; OnPropertyChanged("MostRecentlyUsedTypes"); } } public bool BrowseTypeDirectly { get { return this.browseTypeDirectly; } set { this.browseTypeDirectly = value; OnPropertyChanged("BrowseTypeDirectly"); } } public bool IsValid { get { return this.isValid; } set { this.isValid = value; OnPropertyChanged("IsValid"); } } public ObservableCollection < TypeKeyValue > SubTypes { get { return this.subTypes; } } public Type TargetType { get { return this.targetType; } set { this.targetType = value; //whenever target type changes, check if there are some generic parameters required LoadGenericTypes(); OnPropertyChanged("TargetType"); if (typeChangedCallBack != null) { typeChangedCallBack(this); } } } public Type GetConcreteType() { Type result = null; if (null != this.targetType) { //do we have generic? if (this.targetType.IsGenericTypeDefinition) { //resolve all generic arguments Type[] arguments = new Type[this.subTypes.Count]; bool isValid = true; for (int i = 0; i < this.subTypes.Count && isValid; ++i) { arguments[i] = this.subTypes[i].GetConcreteType(); isValid = (null != arguments[i]); } if (isValid) { //and create target type result = this.targetType.MakeGenericType(arguments); } } else { result = targetType; } } return result; } void LoadGenericTypes() { this.subTypes.Clear(); if (null != this.targetType && this.targetType.IsGenericTypeDefinition) { Type[] generics = this.targetType.GetGenericArguments(); foreach (Type t in generics) { TypeKeyValue entry = new TypeKeyValue(t, typeChangedCallBack); this.subTypes.Add(entry); typeChangedCallBack(entry); } } } void OnPropertyChanged(string propertyName) { if (null != PropertyChanged) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } } } // 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
- TraceHandler.cs
- ImagingCache.cs
- Clipboard.cs
- UrlPath.cs
- FamilyTypeface.cs
- RemoteWebConfigurationHostServer.cs
- CompilerError.cs
- QuaternionKeyFrameCollection.cs
- UserControlBuildProvider.cs
- ObjectStateManager.cs
- ObjectRef.cs
- ListBindingConverter.cs
- DropShadowEffect.cs
- IImplicitResourceProvider.cs
- GroupQuery.cs
- SafeRegistryHandle.cs
- ParserHooks.cs
- NativeCppClassAttribute.cs
- Color.cs
- SharedPersonalizationStateInfo.cs
- PrintPageEvent.cs
- RenderTargetBitmap.cs
- RuleSettings.cs
- BitmapSource.cs
- StylusPointCollection.cs
- ObjectRef.cs
- AssociationType.cs
- ProxyManager.cs
- ReadOnlyCollectionBase.cs
- Int64Animation.cs
- AudioFormatConverter.cs
- WorkflowQueueInfo.cs
- ColorInterpolationModeValidation.cs
- TabItemAutomationPeer.cs
- SignatureToken.cs
- DataGridViewCell.cs
- PocoEntityKeyStrategy.cs
- ScriptServiceAttribute.cs
- ReadOnlyObservableCollection.cs
- ShimAsPublicXamlType.cs
- SQLUtility.cs
- XmlSchemaException.cs
- NavigationProperty.cs
- SiteMembershipCondition.cs
- GZipUtils.cs
- ToolStripItemDesigner.cs
- XhtmlBasicPanelAdapter.cs
- StructuredType.cs
- ModelVisual3D.cs
- CoreSwitches.cs
- RegexMatch.cs
- WpfPayload.cs
- IsolatedStoragePermission.cs
- AssemblyCollection.cs
- SpoolingTaskBase.cs
- EventBuilder.cs
- XmlReaderSettings.cs
- Header.cs
- MailSettingsSection.cs
- TimeEnumHelper.cs
- DependencyPropertyConverter.cs
- TextPattern.cs
- MultiViewDesigner.cs
- DictionaryContent.cs
- SafeMarshalContext.cs
- RequestBringIntoViewEventArgs.cs
- KeyboardInputProviderAcquireFocusEventArgs.cs
- IntSecurity.cs
- MDIControlStrip.cs
- ApplicationServiceManager.cs
- XPathPatternParser.cs
- WebPartVerbsEventArgs.cs
- SelectionProviderWrapper.cs
- Light.cs
- RandomDelaySendsAsyncResult.cs
- Rect3D.cs
- Vector3DKeyFrameCollection.cs
- Control.cs
- XPathException.cs
- WindowCollection.cs
- ConnectionStringSettingsCollection.cs
- Point3DCollectionValueSerializer.cs
- BitmapInitialize.cs
- EntryWrittenEventArgs.cs
- LocationSectionRecord.cs
- DesignerCategoryAttribute.cs
- SmtpNegotiateAuthenticationModule.cs
- SQLChars.cs
- FormViewInsertedEventArgs.cs
- XmlnsDictionary.cs
- WebPart.cs
- VariableDesigner.xaml.cs
- XmlBufferedByteStreamReader.cs
- BindingNavigator.cs
- VirtualPath.cs
- TrackingRecordPreFilter.cs
- XmlSchemaIdentityConstraint.cs
- StorageEntityContainerMapping.cs
- CollectionBase.cs
- HyperLinkColumn.cs