public virtual void InsertActivities(System.Workflow.ComponentModel.Design.HitTestInfo insertLocation, ReadOnlyCollection<Activity> activitiesToInsert)
{
WalkerEventHandler handler = null;
if (insertLocation == null)
{
throw new ArgumentNullException("insertLocation");
}
if (activitiesToInsert == null)
{
throw new ArgumentNullException("activitiesToInsert");
}
CompositeActivity parentActivity = base.Activity as CompositeActivity;
if (parentActivity == null)
{
throw new Exception(SR.GetString("Error_DragDropInvalid"));
}
int num = insertLocation.MapToIndex();
IIdentifierCreationService service = base.GetService(typeof(IIdentifierCreationService)) as IIdentifierCreationService;
if (service == null)
{
throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IIdentifierCreationService).FullName }));
}
service.EnsureUniqueIdentifiers(parentActivity, activitiesToInsert);
foreach (Activity activity2 in activitiesToInsert)
{
if (activity2 == null)
{
throw new ArgumentException("activitiesToInsert", SR.GetString("Error_CollectionHasNullEntry"));
}
if (activity2.Parent == null)
{
parentActivity.Activities.Insert(num++, activity2);
WorkflowDesignerLoader.AddActivityToDesigner(base.Activity.Site, activity2);
}
}
foreach (Activity activity3 in activitiesToInsert)
{
Walker walker = new Walker();
if (handler == null)
{
handler = (w, walkerEventArgs) => ExtenderHelpers.FilterDependencyProperties(base.Activity.Site, walkerEventArgs.CurrentActivity);
}
walker.FoundActivity += handler;
walker.Walk(activity3);
}
}
public virtual void MoveActivities(System.Workflow.ComponentModel.Design.HitTestInfo moveLocation, ReadOnlyCollection<Activity> activitiesToMove)
{
WalkerEventHandler handler = null;
if (moveLocation == null)
{
throw new ArgumentNullException("moveLocation");
}
if (activitiesToMove == null)
{
throw new ArgumentNullException("activitiesToMove");
}
CompositeActivity parentActivity = base.Activity as CompositeActivity;
if (parentActivity == null)
{
throw new Exception(SR.GetString("Error_DragDropInvalid"));
}
IIdentifierCreationService service = base.GetService(typeof(IIdentifierCreationService)) as IIdentifierCreationService;
if (service == null)
{
throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IIdentifierCreationService).FullName }));
}
if (!(base.GetService(typeof(IDesignerHost)) is IDesignerHost))
{
throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IDesignerHost).FullName }));
}
int num = moveLocation.MapToIndex();
foreach (Activity activity2 in activitiesToMove)
{
ActivityDesigner designer = ActivityDesigner.GetDesigner(activity2);
if ((designer != null) && (designer.ParentDesigner == this))
{
int num2 = parentActivity.Activities.IndexOf(activity2);
if (num > num2)
{
num--;
}
}
CompositeActivity parent = activity2.Parent;
int index = parent.Activities.IndexOf(activity2);
activity2.Parent.Activities.Remove(activity2);
service.EnsureUniqueIdentifiers(parentActivity, new Activity[] { activity2 });
DesignerHelpers.UpdateSiteName(activity2, "_activityonthemove_");
CompositeActivity compositeActivity = activity2 as CompositeActivity;
if (compositeActivity != null)
{
int num4 = 1;
foreach (Activity activity5 in Helpers.GetNestedActivities(compositeActivity))
{
DesignerHelpers.UpdateSiteName(activity5, "_activityonthemove_" + num4.ToString(CultureInfo.InvariantCulture));
num4++;
}
}
try
{
parentActivity.Activities.Insert(num++, activity2);
}
catch (Exception exception)
{
parent.Activities.Insert(index, activity2);
throw exception;
}
DesignerHelpers.UpdateSiteName(activity2, activity2.Name);
if (compositeActivity != null)
{
foreach (Activity activity6 in Helpers.GetNestedActivities(compositeActivity))
{
DesignerHelpers.UpdateSiteName(activity6, activity6.Name);
}
}
}
foreach (Activity activity7 in activitiesToMove)
{
Walker walker = new Walker();
if (handler == null)
{
handler = delegate (Walker w, WalkerEventArgs walkerEventArgs) {
ExtenderHelpers.FilterDependencyProperties(base.Activity.Site, walkerEventArgs.CurrentActivity);
TypeDescriptor.Refresh(walkerEventArgs.CurrentActivity);
};
}
walker.FoundActivity += handler;
walker.Walk(activity7);
}
}
private System.Workflow.ComponentModel.Design.HitTestInfo GetUpdatedLocation(System.Workflow.ComponentModel.Design.HitTestInfo location)
{
int num = 0;
foreach (DesignerView view in this.Views)
{
if (((view.AssociatedDesigner != null) && (this != view.AssociatedDesigner)) && Helpers.IsActivityLocked(view.AssociatedDesigner.Activity))
{
num++;
}
}
return new ConnectorHitTestInfo(this, location.HitLocation, num + location.MapToIndex());
}
