private void ReleaseDynamicUpdateMode(Activity seedActivity)
{
Queue <Activity> queue = new Queue <Activity>();
queue.Enqueue(seedActivity);
while (queue.Count > 0)
{
Activity activity = queue.Dequeue() as Activity;
activity.Readonly = false;
activity.DynamicUpdateMode = false;
foreach (DependencyProperty dependencyProperty in activity.MetaDependencyProperties)
{
if (activity.IsBindingSet(dependencyProperty))
{
ActivityBind activityBind = activity.GetBinding(dependencyProperty);
if (activityBind != null)
{
activityBind.DynamicUpdateMode = false;
}
}
}
if (activity is CompositeActivity)
{
CompositeActivity compositeActivity = activity as CompositeActivity;
compositeActivity.Activities.ListChanged -= new EventHandler <ActivityCollectionChangeEventArgs>(this.OnActivityListChanged);
foreach (Activity activity2 in ((CompositeActivity)activity).Activities)
{
queue.Enqueue(activity2);
}
}
}
}
private void ApplyDynamicUpdateMode(Activity seedActivity)
{
Queue <Activity> queue = new Queue <Activity>();
queue.Enqueue(seedActivity);
while (queue.Count > 0)
{
Activity activity = queue.Dequeue();
activity.Readonly = true;
activity.DynamicUpdateMode = true;
foreach (DependencyProperty property in activity.MetaDependencyProperties)
{
if (activity.IsBindingSet(property))
{
ActivityBind binding = activity.GetBinding(property);
if (binding != null)
{
binding.DynamicUpdateMode = true;
}
}
}
if (activity is CompositeActivity)
{
CompositeActivity activity2 = activity as CompositeActivity;
activity2.Activities.ListChanged += new EventHandler <ActivityCollectionChangeEventArgs>(this.OnActivityListChanged);
foreach (Activity activity3 in ((CompositeActivity)activity).Activities)
{
queue.Enqueue(activity3);
}
}
}
}
public bool WalkProperties(Activity activity, object obj)
{
Activity currentActivity = obj as Activity;
PropertyInfo[] props = obj.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo prop in props)
{
// !!Work around: no indexer property walking
if (prop.GetIndexParameters() != null && prop.GetIndexParameters().Length > 0)
{
continue;
}
DesignerSerializationVisibility visibility = GetSerializationVisibility(prop);
if (visibility == DesignerSerializationVisibility.Hidden)
{
continue;
}
//Try to see if we have dynamic property associated with the object on the same object
//if so then we should compare if the dynamic property values match with the property type
//if not we bail out
object propValue = null;
DependencyProperty dependencyProperty = DependencyProperty.FromName(prop.Name, obj.GetType());
if (dependencyProperty != null && currentActivity != null)
{
if (currentActivity.IsBindingSet(dependencyProperty))
{
propValue = currentActivity.GetBinding(dependencyProperty);
}
else
{
propValue = currentActivity.GetValue(dependencyProperty);
}
}
else
{
try
{
propValue = prop.CanRead ? prop.GetValue(obj, null) : null;
}
catch
{
// Eat exceptions that occur while invoking the getter.
}
}
if (FoundProperty != null)
{
WalkerEventArgs args = new WalkerEventArgs(activity, propValue, prop, obj);
FoundProperty(this, args);
if (args.Action == WalkerAction.Skip)
{
continue;
}
else if (args.Action == WalkerAction.Abort)
{
return(false);
}
}
if (propValue is IList)
{
//We do not need to reflect on the properties of the list
foreach (object childObj in (IList)propValue)
{
if (FoundProperty != null)
{
WalkerEventArgs args = new WalkerEventArgs(activity, childObj, null, propValue);
FoundProperty(this, args);
if (args.Action == WalkerAction.Skip)
{
continue;
}
else if (args.Action == WalkerAction.Abort)
{
return(false);
}
}
if (childObj != null && IsBrowsableType(childObj.GetType()))
{
if (!WalkProperties(activity, childObj))
{
return(false);
}
}
}
}
else if (propValue != null && IsBrowsableType(propValue.GetType()))
{
if (!WalkProperties(activity, propValue))
{
return(false);
}
}
}
return(true);
}
internal static void ValidateRoles(Activity activity, string identity)
{
DependencyProperty dependencyProperty = DependencyProperty.FromName("Roles", activity.GetType().BaseType);
if (dependencyProperty == null)
{
dependencyProperty = DependencyProperty.FromName("Roles", activity.GetType());
}
if (dependencyProperty != null)
{
ActivityBind binding = activity.GetBinding(dependencyProperty);
if (binding != null)
{
WorkflowRoleCollection runtimeValue = binding.GetRuntimeValue(activity) as WorkflowRoleCollection;
if ((runtimeValue != null) && !runtimeValue.IncludesIdentity(identity))
{
throw new WorkflowAuthorizationException(activity.Name, identity);
}
}
}
}
internal static void ValidateRoles(Activity activity, string identity)
{
DependencyProperty dependencyProperty = DependencyProperty.FromName("Roles", activity.GetType().BaseType);
if (dependencyProperty == null)
dependencyProperty = DependencyProperty.FromName("Roles", activity.GetType());
if (dependencyProperty == null)
return;
ActivityBind rolesBind = activity.GetBinding(dependencyProperty) as ActivityBind;
if (rolesBind == null)
return;
WorkflowRoleCollection roles = rolesBind.GetRuntimeValue(activity) as WorkflowRoleCollection;
if (roles == null)
return;
if (!roles.IncludesIdentity(identity))
throw new WorkflowAuthorizationException(activity.Name, identity);
}
public bool WalkProperties(Activity activity, object obj)
{
Activity activity2 = obj as Activity;
foreach (PropertyInfo info in obj.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance))
{
if (((info.GetIndexParameters() == null) || (info.GetIndexParameters().Length <= 0)) && (GetSerializationVisibility(info) != DesignerSerializationVisibility.Hidden))
{
object currentValue = null;
DependencyProperty dependencyProperty = DependencyProperty.FromName(info.Name, obj.GetType());
if ((dependencyProperty != null) && (activity2 != null))
{
if (activity2.IsBindingSet(dependencyProperty))
{
currentValue = activity2.GetBinding(dependencyProperty);
}
else
{
currentValue = activity2.GetValue(dependencyProperty);
}
}
else
{
try
{
currentValue = info.CanRead ? info.GetValue(obj, null) : null;
}
catch
{
}
}
if (this.FoundProperty != null)
{
WalkerEventArgs eventArgs = new WalkerEventArgs(activity, currentValue, info, obj);
this.FoundProperty(this, eventArgs);
if (eventArgs.Action == WalkerAction.Skip)
{
continue;
}
if (eventArgs.Action == WalkerAction.Abort)
{
return(false);
}
}
if (currentValue is IList)
{
foreach (object obj3 in (IList)currentValue)
{
if (this.FoundProperty != null)
{
WalkerEventArgs args2 = new WalkerEventArgs(activity, obj3, null, currentValue);
this.FoundProperty(this, args2);
if (args2.Action == WalkerAction.Skip)
{
continue;
}
if (args2.Action == WalkerAction.Abort)
{
return(false);
}
}
if (((obj3 != null) && IsBrowsableType(obj3.GetType())) && !this.WalkProperties(activity, obj3))
{
return(false);
}
}
}
else if (((currentValue != null) && IsBrowsableType(currentValue.GetType())) && !this.WalkProperties(activity, currentValue))
{
return(false);
}
}
}
return(true);
}
