Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Activities / Designers / StateDesigner.TransitionInfo.cs / 1305376 / StateDesigner.TransitionInfo.cs
namespace System.Workflow.Activities { using System; using System.Text; using System.Reflection; using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.CodeDom; using System.ComponentModel; using System.ComponentModel.Design; using System.Drawing.Design; using System.Drawing; using System.Drawing.Drawing2D; using System.Diagnostics; using System.IO; using System.Windows.Forms; using System.Workflow.ComponentModel; using System.Workflow.ComponentModel.Design; using System.Runtime.Serialization; internal partial class StateDesigner : FreeformActivityDesigner { internal class TransitionInfo { private SetStateActivity _setState; private CompositeActivity _eventHandler; private StateActivity _targetState; private StateDesignerConnector _connector; internal TransitionInfo(SetStateActivity setState, CompositeActivity eventHandler) { if (setState == null) throw new ArgumentNullException("setState"); if (eventHandler == null) throw new ArgumentNullException("eventHandler"); _setState = setState; _eventHandler = eventHandler; } internal SetStateActivity SetState { get { return _setState; } } internal CompositeActivity EventHandler { get { return _eventHandler; } } internal StateActivity SourceState { get { if (_eventHandler == null) return null; StateActivity sourceState = _eventHandler.Parent as StateActivity; return sourceState; } } internal StateActivity TargetState { get { return _targetState; } set { _targetState = value; } } internal StateDesignerConnector Connector { get { return _connector; } set { _connector = value; } } internal bool Matches(StateDesignerConnector stateDesignerConnector) { if (stateDesignerConnector == null) throw new ArgumentNullException("stateDesignerConnector"); if (this.Connector != null && this.Connector == stateDesignerConnector) return true; // this transitioninfo is incomplete, // therefore, it cannot match an existing connector if (this.SetState == null || this.SourceState == null || this.TargetState == null || this.EventHandler == null) return false; if (this.SetState.QualifiedName != stateDesignerConnector.SetStateName) return false; if (this.SourceState.QualifiedName != stateDesignerConnector.SourceStateName) return false; if (this.TargetState.QualifiedName != stateDesignerConnector.TargetStateName || stateDesignerConnector.Target.AssociatedDesigner.Activity.QualifiedName != stateDesignerConnector.TargetStateName) return false; if (this.EventHandler.QualifiedName != stateDesignerConnector.EventHandlerName) return false; return true; } internal static ReadOnlyCollectionParseStateMachine(StateActivity rootState) { List transitions = new List (); Dictionary states = new Dictionary (); Queue processingQueue = new Queue (); processingQueue.Enqueue(rootState); while (processingQueue.Count > 0) { StateActivity state = processingQueue.Dequeue(); states[state.QualifiedName] = state; foreach (Activity childActivity in state.Activities) { StateActivity childState = childActivity as StateActivity; if (childState == null) { CompositeActivity compositeChild = childActivity as CompositeActivity; if (compositeChild != null) ParseEventHandler(compositeChild, transitions); } else { processingQueue.Enqueue(childState); } } } foreach (TransitionInfo transitionInfo in transitions) { StateActivity targetState; string targetStateName = transitionInfo.SetState.TargetStateName; if (!String.IsNullOrEmpty(targetStateName)) { states.TryGetValue(transitionInfo.SetState.TargetStateName, out targetState); transitionInfo.TargetState = targetState; } } return transitions.AsReadOnly(); } private static void ParseEventHandler(CompositeActivity eventHandler, List transitions) { Queue processingQueue = new Queue (); processingQueue.Enqueue(eventHandler); while (processingQueue.Count > 0) { Activity activity = processingQueue.Dequeue(); SetStateActivity setState = activity as SetStateActivity; if (setState != null) { TransitionInfo transitionInfo = new TransitionInfo(setState, eventHandler); transitions.Add(transitionInfo); } else { CompositeActivity compositeActivity = activity as CompositeActivity; if (compositeActivity != null) { foreach (Activity childActivity in compositeActivity.Activities) { processingQueue.Enqueue(childActivity); } } } } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. namespace System.Workflow.Activities { using System; using System.Text; using System.Reflection; using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.CodeDom; using System.ComponentModel; using System.ComponentModel.Design; using System.Drawing.Design; using System.Drawing; using System.Drawing.Drawing2D; using System.Diagnostics; using System.IO; using System.Windows.Forms; using System.Workflow.ComponentModel; using System.Workflow.ComponentModel.Design; using System.Runtime.Serialization; internal partial class StateDesigner : FreeformActivityDesigner { internal class TransitionInfo { private SetStateActivity _setState; private CompositeActivity _eventHandler; private StateActivity _targetState; private StateDesignerConnector _connector; internal TransitionInfo(SetStateActivity setState, CompositeActivity eventHandler) { if (setState == null) throw new ArgumentNullException("setState"); if (eventHandler == null) throw new ArgumentNullException("eventHandler"); _setState = setState; _eventHandler = eventHandler; } internal SetStateActivity SetState { get { return _setState; } } internal CompositeActivity EventHandler { get { return _eventHandler; } } internal StateActivity SourceState { get { if (_eventHandler == null) return null; StateActivity sourceState = _eventHandler.Parent as StateActivity; return sourceState; } } internal StateActivity TargetState { get { return _targetState; } set { _targetState = value; } } internal StateDesignerConnector Connector { get { return _connector; } set { _connector = value; } } internal bool Matches(StateDesignerConnector stateDesignerConnector) { if (stateDesignerConnector == null) throw new ArgumentNullException("stateDesignerConnector"); if (this.Connector != null && this.Connector == stateDesignerConnector) return true; // this transitioninfo is incomplete, // therefore, it cannot match an existing connector if (this.SetState == null || this.SourceState == null || this.TargetState == null || this.EventHandler == null) return false; if (this.SetState.QualifiedName != stateDesignerConnector.SetStateName) return false; if (this.SourceState.QualifiedName != stateDesignerConnector.SourceStateName) return false; if (this.TargetState.QualifiedName != stateDesignerConnector.TargetStateName || stateDesignerConnector.Target.AssociatedDesigner.Activity.QualifiedName != stateDesignerConnector.TargetStateName) return false; if (this.EventHandler.QualifiedName != stateDesignerConnector.EventHandlerName) return false; return true; } internal static ReadOnlyCollection ParseStateMachine(StateActivity rootState) { List transitions = new List (); Dictionary states = new Dictionary (); Queue processingQueue = new Queue (); processingQueue.Enqueue(rootState); while (processingQueue.Count > 0) { StateActivity state = processingQueue.Dequeue(); states[state.QualifiedName] = state; foreach (Activity childActivity in state.Activities) { StateActivity childState = childActivity as StateActivity; if (childState == null) { CompositeActivity compositeChild = childActivity as CompositeActivity; if (compositeChild != null) ParseEventHandler(compositeChild, transitions); } else { processingQueue.Enqueue(childState); } } } foreach (TransitionInfo transitionInfo in transitions) { StateActivity targetState; string targetStateName = transitionInfo.SetState.TargetStateName; if (!String.IsNullOrEmpty(targetStateName)) { states.TryGetValue(transitionInfo.SetState.TargetStateName, out targetState); transitionInfo.TargetState = targetState; } } return transitions.AsReadOnly(); } private static void ParseEventHandler(CompositeActivity eventHandler, List transitions) { Queue processingQueue = new Queue (); processingQueue.Enqueue(eventHandler); while (processingQueue.Count > 0) { Activity activity = processingQueue.Dequeue(); SetStateActivity setState = activity as SetStateActivity; if (setState != null) { TransitionInfo transitionInfo = new TransitionInfo(setState, eventHandler); transitions.Add(transitionInfo); } else { CompositeActivity compositeActivity = activity as CompositeActivity; if (compositeActivity != null) { foreach (Activity childActivity in compositeActivity.Activities) { processingQueue.Enqueue(childActivity); } } } } } } } } // 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
- DetailsViewInsertedEventArgs.cs
- EventWaitHandleSecurity.cs
- ResourceIDHelper.cs
- InputLanguageSource.cs
- X509Logo.cs
- XmlSchemaComplexContentRestriction.cs
- SqlFileStream.cs
- ServiceBusyException.cs
- FilteredAttributeCollection.cs
- PeerApplicationLaunchInfo.cs
- NativeRecognizer.cs
- Region.cs
- HttpContext.cs
- AccessViolationException.cs
- PrePrepareMethodAttribute.cs
- ExtractedStateEntry.cs
- FrameworkContentElementAutomationPeer.cs
- OnOperation.cs
- StringConcat.cs
- DataFormat.cs
- XmlNotation.cs
- RuleAttributes.cs
- Int64Converter.cs
- SiteOfOriginContainer.cs
- SlotInfo.cs
- SchemaTypeEmitter.cs
- GatewayIPAddressInformationCollection.cs
- DeclarativeExpressionConditionDeclaration.cs
- SimpleApplicationHost.cs
- FileSecurity.cs
- ConstructorExpr.cs
- OdbcStatementHandle.cs
- FrameworkPropertyMetadata.cs
- XmlLinkedNode.cs
- FileRegion.cs
- EncoderFallback.cs
- _SafeNetHandles.cs
- SoapProtocolReflector.cs
- MessageBuilder.cs
- InitializationEventAttribute.cs
- XmlLanguageConverter.cs
- PageContentAsyncResult.cs
- ClientRolePrincipal.cs
- ContentElementAutomationPeer.cs
- NumericUpDownAcceleration.cs
- Calendar.cs
- WindowsTreeView.cs
- Rotation3DKeyFrameCollection.cs
- RuntimeWrappedException.cs
- DelayedRegex.cs
- StatusBarDrawItemEvent.cs
- HitTestResult.cs
- CodeExpressionStatement.cs
- SystemException.cs
- XslAstAnalyzer.cs
- PageSettings.cs
- TransformedBitmap.cs
- NamedPipeAppDomainProtocolHandler.cs
- PanelStyle.cs
- GuidelineSet.cs
- SslStreamSecurityUpgradeProvider.cs
- XD.cs
- SqlTransaction.cs
- TrustManagerMoreInformation.cs
- SerializerProvider.cs
- SHA256Managed.cs
- Mutex.cs
- XmlSerializationReader.cs
- RestClientProxyHandler.cs
- MenuItemCollection.cs
- ConnectionPointCookie.cs
- ValidationRule.cs
- base64Transforms.cs
- ChannelCacheSettings.cs
- TabPanel.cs
- Exceptions.cs
- OrthographicCamera.cs
- ConcurrentQueue.cs
- GridViewPageEventArgs.cs
- PropertyTabAttribute.cs
- LocalizeDesigner.cs
- ConnectionManagementElement.cs
- HtmlPageAdapter.cs
- RoutedUICommand.cs
- RightsManagementEncryptionTransform.cs
- CommonDialog.cs
- SafeCoTaskMem.cs
- AnimatedTypeHelpers.cs
- HostingPreferredMapPath.cs
- ZipIOLocalFileDataDescriptor.cs
- PasswordRecovery.cs
- SelectionPattern.cs
- CompoundFileReference.cs
- DataGridViewCellMouseEventArgs.cs
- SymDocumentType.cs
- ManagementEventArgs.cs
- transactioncontext.cs
- ConfigXmlSignificantWhitespace.cs
- XmlReaderSettings.cs
- LiteralDesigner.cs