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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Text;
using System.Workflow.ComponentModel;
using System.Workflow.ComponentModel.Design;
using System.Drawing.Design;
using System.Workflow.Activities.Rules.Design;
using System.ComponentModel.Design.Serialization;
using System.Workflow.ComponentModel.Compiler;
using System.Workflow.ComponentModel.Serialization;
using System.Workflow.Activities.Common;
namespace System.Workflow.Activities.Rules
{
#region RuleSetReference Class
[DesignerSerializer(typeof(WorkflowMarkupSerializer), typeof(WorkflowMarkupSerializer))]
[DesignerSerializer(typeof(DependencyObjectCodeDomSerializer), typeof(CodeDomSerializer))]
[ActivityValidator(typeof(RuleSetReferenceValidator))]
[Editor(typeof(RuleSetNameEditor), typeof(UITypeEditor))]
[TypeConverter(typeof(RuleSetReferenceTypeConverter))]
[Browsable(true)]
[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
sealed public class RuleSetReference : DependencyObject
{
#region members and constructors
private bool _runtimeInitialized;
private string _name;
public RuleSetReference()
{
}
public RuleSetReference(string ruleSetName)
{
_name = ruleSetName;
}
#endregion
#region public members
public string RuleSetName
{
get
{
return this._name;
}
set
{
this._name = value;
}
}
#endregion
#region IInitializeForRuntime Members
[NonSerialized]
private object syncLock = new object();
protected override void InitializeProperties()
{
lock (syncLock)
{
if (this._runtimeInitialized)
return;
Activity ownerActivity = base.ParentDependencyObject as Activity;
CompositeActivity declaringActivity = Helpers.GetDeclaringActivity(ownerActivity);
if (declaringActivity == null)
{
declaringActivity = Helpers.GetRootActivity(ownerActivity) as CompositeActivity;
}
RuleDefinitions rules = ConditionHelper.Load_Rules_RT(declaringActivity);
if (rules != null)
rules.OnRuntimeInitialized();
base.InitializeProperties();
_runtimeInitialized = true;
}
}
#endregion
}
#endregion
#region RuleSetReferenceValidator Class
internal sealed class RuleSetReferenceValidator : Validator
{
public override ValidationErrorCollection Validate(ValidationManager manager, object obj)
{
ValidationErrorCollection validationErrors = base.Validate(manager, obj);
RuleSetReference ruleSetReference = obj as RuleSetReference;
if (ruleSetReference == null)
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.UnexpectedArgumentType, typeof(RuleSetReference).FullName, "obj");
throw new ArgumentException(message, "obj");
}
Activity activity = manager.Context[typeof(Activity)] as Activity;
if (activity == null)
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.ContextStackItemMissing, typeof(Activity).Name);
throw new InvalidOperationException(message);
}
PropertyValidationContext validationContext = manager.Context[typeof(PropertyValidationContext)] as PropertyValidationContext;
if (validationContext == null)
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.ContextStackItemMissing, typeof(PropertyValidationContext).Name);
throw new InvalidOperationException(message);
}
if (!string.IsNullOrEmpty(ruleSetReference.RuleSetName))
{
RuleDefinitions rules = null;
RuleSetCollection ruleSetCollection = null;
CompositeActivity declaringActivity = Helpers.GetDeclaringActivity(activity);
if (declaringActivity == null)
{
declaringActivity = Helpers.GetRootActivity(activity) as CompositeActivity;
}
if (activity.Site != null)
rules = ConditionHelper.Load_Rules_DT(activity.Site, declaringActivity);
else
rules = ConditionHelper.Load_Rules_RT(declaringActivity);
if (rules != null)
ruleSetCollection = rules.RuleSets;
if (ruleSetCollection == null || !ruleSetCollection.Contains(ruleSetReference.RuleSetName))
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.RuleSetNotFound, ruleSetReference.RuleSetName);
ValidationError validationError = new ValidationError(message, ErrorNumbers.Error_RuleSetNotFound);
validationError.PropertyName = GetFullPropertyName(manager) + "." + "RuleSetName";
validationErrors.Add(validationError);
}
else
{
RuleSet actualRuleSet = ruleSetCollection[ruleSetReference.RuleSetName];
ITypeProvider typeProvider = (ITypeProvider)manager.GetService(typeof(ITypeProvider));
IDisposable localContextScope = (WorkflowCompilationContext.Current == null ? WorkflowCompilationContext.CreateScope(manager) : null);
try
{
RuleValidation validation = new RuleValidation(activity, typeProvider, WorkflowCompilationContext.Current.CheckTypes);
actualRuleSet.Validate(validation);
ValidationErrorCollection actualRuleSetErrors = validation.Errors;
if (actualRuleSetErrors.Count > 0)
{
string expressionPropertyName = GetFullPropertyName(manager);
string genericErrorMsg = string.Format(CultureInfo.CurrentCulture, Messages.InvalidRuleSetExpression, expressionPropertyName);
int errorNumber = ErrorNumbers.Error_InvalidRuleSetExpression;
if (activity.Site != null)
{
foreach (ValidationError actualError in actualRuleSetErrors)
{
ValidationError validationError = new ValidationError(actualError.ErrorText, errorNumber);
validationError.PropertyName = expressionPropertyName + "." + "RuleSet Definition";
validationErrors.Add(validationError);
}
}
else
{
foreach (ValidationError actualError in actualRuleSetErrors)
{
ValidationError validationError = new ValidationError(genericErrorMsg + " " + actualError.ErrorText, errorNumber);
validationError.PropertyName = expressionPropertyName;
validationErrors.Add(validationError);
}
}
}
//
}
finally
{
if (localContextScope != null)
{
localContextScope.Dispose();
}
}
}
}
else
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.InvalidRuleSetName, "RuleSetReference");
ValidationError validationError = new ValidationError(message, ErrorNumbers.Error_InvalidRuleSetName);
validationError.PropertyName = GetFullPropertyName(manager) + "." + "RuleSetName";
validationErrors.Add(validationError);
}
return validationErrors;
}
}
#endregion
}
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