namespace System.Workflow.Activities { #region Imports using System; using System.Text; using System.Reflection; using System.Collections; using System.Collections.Generic; using System.CodeDom; using System.ComponentModel; using System.ComponentModel.Design; using System.Drawing; using System.Workflow.ComponentModel; using System.Workflow.ComponentModel.Design; using System.Workflow.ComponentModel.Compiler; using System.Workflow.Activities.Common; #endregion [SRDescription(SR.StateInitializationActivityDescription)] [Designer(typeof(StateInitializationDesigner), typeof(IDesigner))] [ToolboxItem(typeof(ActivityToolboxItem))] [ToolboxBitmap(typeof(StateInitializationActivity), "Resources.StateInitializationActivity.png")] [ActivityValidator(typeof(StateInitializationValidator))] [SRCategory(SR.Standard)] [System.Runtime.InteropServices.ComVisible(false)] [Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")] public sealed class StateInitializationActivity : SequenceActivity { public StateInitializationActivity() { } public StateInitializationActivity(string name) : base(name) { } } [System.Runtime.InteropServices.ComVisible(false)] internal sealed class StateInitializationValidator : CompositeActivityValidator { public override ValidationErrorCollection Validate(ValidationManager manager, object obj) { ValidationErrorCollection validationErrors = base.Validate(manager, obj); StateInitializationActivity stateInitialization = obj as StateInitializationActivity; if (stateInitialization == null) throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(StateInitializationActivity).FullName), "obj"); StateActivity state = stateInitialization.Parent as StateActivity; if (state == null) { validationErrors.Add(new ValidationError(SR.GetError_StateInitializationParentNotState(), ErrorNumbers.Error_StateHandlerParentNotState)); return validationErrors; } foreach (Activity activity in state.EnabledActivities) { StateInitializationActivity childStateInitialization = activity as StateInitializationActivity; if (childStateInitialization != null) { if (childStateInitialization == stateInitialization) continue; validationErrors.Add(new ValidationError( SR.GetError_MultipleStateInitializationActivities(), ErrorNumbers.Error_MultipleStateInitializationActivities)); break; } } ValidateSetStateInsideStateInitialization(stateInitialization, state, validationErrors); if (StateMachineHelpers.ContainsEventActivity(stateInitialization)) { validationErrors.Add(new ValidationError(SR.GetError_EventActivityNotValidInStateInitialization(), ErrorNumbers.Error_EventActivityNotValidInStateHandler)); } return validationErrors; } private void ValidateSetStateInsideStateInitialization(StateInitializationActivity stateInitialization, StateActivity state, ValidationErrorCollection validationErrors) { ValidateSetStateInsideStateInitializationCore(stateInitialization, state, validationErrors); } private void ValidateSetStateInsideStateInitializationCore(CompositeActivity compositeActivity, StateActivity state, ValidationErrorCollection validationErrors) { foreach (Activity activity in compositeActivity.EnabledActivities) { CompositeActivity childCompositeActivity = activity as CompositeActivity; if (childCompositeActivity != null) { ValidateSetStateInsideStateInitializationCore(childCompositeActivity, state, validationErrors); } else { SetStateActivity setState = activity as SetStateActivity; if (setState != null) { if (!String.IsNullOrEmpty(setState.TargetStateName)) { if (setState.TargetStateName.Equals(state.QualifiedName)) { validationErrors.Add(new ValidationError( SR.GetError_InvalidTargetStateInStateInitialization(), ErrorNumbers.Error_InvalidTargetStateInStateInitialization)); return; } } } } } } } }