public override void SetValue(object component, object value)
{
Activity activity = component as Activity;
if (activity != null)
{
IIdentifierCreationService service = activity.Site.GetService(typeof(IIdentifierCreationService)) as IIdentifierCreationService;
if (service == null)
{
throw new Exception(SR.GetString("General_MissingService", new object[] { typeof(IIdentifierCreationService).FullName }));
}
string identifier = value as string;
service.ValidateIdentifier(activity, identifier);
bool ignoreCase = CompilerHelpers.GetSupportedLanguage(activity.Site) == SupportedLanguages.VB;
Type dataSourceClass = Helpers.GetDataSourceClass(Helpers.GetRootActivity(activity), activity.Site);
if ((dataSourceClass != null) && (ActivityBindPropertyDescriptor.FindMatchingMember(identifier, dataSourceClass, ignoreCase) != null))
{
throw new ArgumentException(SR.GetString("Error_ActivityNameExist", new object[] { identifier }));
}
IMemberCreationService service2 = activity.Site.GetService(typeof(IMemberCreationService)) as IMemberCreationService;
if (service2 == null)
{
throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IMemberCreationService).FullName }));
}
IDesignerHost host = activity.Site.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (host == null)
{
throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IDesignerHost).FullName }));
}
string newClassName = identifier;
int num = host.RootComponentClassName.LastIndexOf('.');
if (num > 0)
{
newClassName = host.RootComponentClassName.Substring(0, num + 1) + identifier;
}
service2.UpdateTypeName(((Activity)host.RootComponent).GetValue(WorkflowMarkupSerializer.XClassProperty) as string, newClassName);
((Activity)host.RootComponent).SetValue(WorkflowMarkupSerializer.XClassProperty, newClassName);
base.SetValue(component, value);
DesignerHelpers.UpdateSiteName((Activity)host.RootComponent, identifier);
}
}
public override void SetValue(object component, object value)
{
Activity activity = component as Activity;
if (activity != null)
{
// validate the identifier
IIdentifierCreationService identifierCreationService = activity.Site.GetService(typeof(IIdentifierCreationService)) as IIdentifierCreationService;
if (identifierCreationService == null)
{
throw new Exception(SR.GetString(SR.General_MissingService, typeof(IIdentifierCreationService).FullName));
}
string name = value as string;
identifierCreationService.ValidateIdentifier(activity, name);
bool isVB = (CompilerHelpers.GetSupportedLanguage(activity.Site) == SupportedLanguages.VB);
Type designedType = Helpers.GetDataSourceClass(Helpers.GetRootActivity(activity), activity.Site);
if (designedType != null)
{
MemberInfo matchingMember = ActivityBindPropertyDescriptor.FindMatchingMember(name, designedType, isVB);
if (matchingMember != null)
{
throw new ArgumentException(SR.GetString(SR.Error_ActivityNameExist, name));
}
}
IMemberCreationService memberCreationService = activity.Site.GetService(typeof(IMemberCreationService)) as IMemberCreationService;
if (memberCreationService == null)
{
throw new InvalidOperationException(SR.GetString(SR.General_MissingService, typeof(IMemberCreationService).FullName));
}
IDesignerHost host = activity.Site.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (host == null)
{
throw new InvalidOperationException(SR.GetString(SR.General_MissingService, typeof(IDesignerHost).FullName));
}
// We need to update the activityType's name before trying to update the type because
// updating the type causes a flush, which access the custom activity's properties, and
// doing so requires the new type name
string newClassName = name;
int indexOfDot = host.RootComponentClassName.LastIndexOf('.');
if (indexOfDot > 0)
{
newClassName = host.RootComponentClassName.Substring(0, indexOfDot + 1) + name;
}
// IMPORTANT: You must update the class name in code before renaming the site, since
// VS's OnComponentRename updates the RootComponentClassName, so the flush code called
// in our OnComponentRename tries to access the new class for information.
memberCreationService.UpdateTypeName(((Activity)host.RootComponent).GetValue(WorkflowMarkupSerializer.XClassProperty) as string, newClassName);
//((Activity)host.RootComponent).Name = name;
((Activity)host.RootComponent).SetValue(WorkflowMarkupSerializer.XClassProperty, newClassName);
base.SetValue(component, value);
// Update the site name so the component name shows up correctly in the designer
DesignerHelpers.UpdateSiteName((Activity)host.RootComponent, name);
}
}
internal static bool CreateField(ITypeDescriptorContext context, ActivityBind activityBind, bool throwOnError)
{
//Check if the activity is root activity and has valid design time type
if (!String.IsNullOrEmpty(activityBind.Path))
{
Type boundType = PropertyDescriptorUtils.GetBaseType(context.PropertyDescriptor, context.Instance, context);
Activity activity = PropertyDescriptorUtils.GetComponent(context) as Activity;
if (activity != null && boundType != null)
{
activity = Helpers.ParseActivityForBind(activity, activityBind.Name);
if (activity == Helpers.GetRootActivity(activity))
{
bool isVB = (CompilerHelpers.GetSupportedLanguage(context) == SupportedLanguages.VB);
Type designedType = Helpers.GetDataSourceClass(activity, context);
if (designedType != null)
{
//field path could be nested too.
//need to find field only with the name up to the first dot (CimplexTypeField in the example below)
//and the right type (that would be tricky if the field doesnt exist yet)
//example: CimplexTypeField.myIDictionary_int_string[10].someOtherGood2
string fieldName = activityBind.Path;
int indexOfDot = fieldName.IndexOfAny(new char[] { '.', '/', '[' });
if (indexOfDot != -1)
{
fieldName = fieldName.Substring(0, indexOfDot); //path is a nested field access
}
MemberInfo matchingMember = ActivityBindPropertyDescriptor.FindMatchingMember(fieldName, designedType, isVB);
if (matchingMember != null)
{
Type memberType = null;
bool isPrivate = false;
if (matchingMember is FieldInfo)
{
isPrivate = ((FieldInfo)matchingMember).IsPrivate;
memberType = ((FieldInfo)matchingMember).FieldType;
}
else if (matchingMember is PropertyInfo)
{
MethodInfo getMethod = ((PropertyInfo)matchingMember).GetGetMethod();
MethodInfo setMethod = ((PropertyInfo)matchingMember).GetSetMethod();
isPrivate = ((getMethod != null && getMethod.IsPrivate) || (setMethod != null && setMethod.IsPrivate));
}
else if (matchingMember is MethodInfo)
{
isPrivate = ((MethodInfo)matchingMember).IsPrivate;
}
if (indexOfDot != -1)
{ //need to find the type of the member the path references (and if the path is valid at all)
PathWalker pathWalker = new PathWalker();
PathMemberInfoEventArgs finalEventArgs = null;
pathWalker.MemberFound += delegate(object sender, PathMemberInfoEventArgs eventArgs)
{ finalEventArgs = eventArgs; };
if (pathWalker.TryWalkPropertyPath(designedType, activityBind.Path))
{
//successfully walked the entire path
memberType = BindHelpers.GetMemberType(finalEventArgs.MemberInfo);
}
else
{
//the path is invalid
if (throwOnError)
{
throw new InvalidOperationException(SR.GetString(SR.Error_MemberWithSameNameExists, activityBind.Path, designedType.FullName));
}
return(false);
}
}
if ((matchingMember.DeclaringType == designedType || !isPrivate) &&
matchingMember is FieldInfo &&
TypeProvider.IsAssignable(boundType, memberType))
{
return(true);
}
else
{
if (throwOnError)
{
throw new InvalidOperationException(SR.GetString(SR.Error_MemberWithSameNameExists, activityBind.Path, designedType.FullName));
}
return(false);
}
}
else
{
// Find out if the name conflicts with an existing activity that has not be flushed in to the
// code beside. An activity bind can bind to this field only if the type of the property
// is the assignable from the activity type.
Activity matchingActivity = null;
if (string.Compare(activity.Name, fieldName, isVB ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
{
matchingActivity = activity;
}
else if (activity is CompositeActivity)
{
if (activity is CompositeActivity)
{
foreach (Activity existingActivity in Helpers.GetAllNestedActivities(activity as CompositeActivity))
{
if (string.Compare(existingActivity.Name, fieldName, isVB ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
{
matchingActivity = existingActivity;
}
}
}
}
if (matchingActivity != null)
{
if (TypeProvider.IsAssignable(boundType, matchingActivity.GetType()))
{
return(true);
}
else
{
if (throwOnError)
{
throw new InvalidOperationException(SR.GetString(SR.Error_MemberWithSameNameExists, activityBind.Path, designedType.FullName));
}
return(false);
}
}
}
IMemberCreationService memberCreationService = context.GetService(typeof(IMemberCreationService)) as IMemberCreationService;
if (memberCreationService == null)
{
if (throwOnError)
{
throw new InvalidOperationException(SR.GetString(SR.General_MissingService, typeof(IMemberCreationService).FullName));
}
}
else
{
IDesignerHost designerHost = context.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (designerHost == null)
{
if (throwOnError)
{
throw new InvalidOperationException(SR.GetString("General_MissingService", typeof(IDesignerHost).FullName));
}
}
else
{
memberCreationService.CreateField(designerHost.RootComponentClassName, activityBind.Path, boundType, null, MemberAttributes.Public, null, false);
return(true);
}
}
}
}
}
else
{
if (activity == null && throwOnError)
{
throw new InvalidOperationException(SR.GetString(SR.Error_InvalidActivityIdentifier, activityBind.Name));
}
if (boundType == null && throwOnError)
{
throw new InvalidOperationException(SR.GetString(SR.Error_PropertyTypeNotDefined, context.PropertyDescriptor.Name, typeof(ActivityBind).Name, typeof(IDynamicPropertyTypeProvider).Name));
}
}
}
return(false);
}