internal bool IsValidDropContext(HitTestInfo dropLocation)
{
if (this.draggedActivities.Count == 0)
{
return(false);
}
if (dropLocation == null || dropLocation.AssociatedDesigner == null)
{
return(false);
}
CompositeActivityDesigner compositeDesigner = dropLocation.AssociatedDesigner as CompositeActivityDesigner;
if (compositeDesigner == null)
{
return(false);
}
if (!compositeDesigner.IsEditable || !compositeDesigner.CanInsertActivities(dropLocation, new List <Activity>(this.draggedActivities).AsReadOnly()))
{
return(false);
}
if (!this.wasCtrlKeyPressed && this.existingDraggedActivities.Count > 0)
{
//We are trying to move the actvities with designer
if (!DesignerHelpers.AreAssociatedDesignersMovable(this.draggedActivities))
{
return(false);
}
if (IsRecursiveDropOperation(dropLocation.AssociatedDesigner))
{
return(false);
}
IDictionary commonParentActivities = Helpers.PairUpCommonParentActivities(this.draggedActivities);
foreach (DictionaryEntry entry in commonParentActivities)
{
CompositeActivityDesigner compositeActivityDesigner = ActivityDesigner.GetDesigner(entry.Key as Activity) as CompositeActivityDesigner;
Activity[] activitiesToMove = (Activity[])((ArrayList)entry.Value).ToArray(typeof(Activity));
if (compositeActivityDesigner != null && !compositeActivityDesigner.CanMoveActivities(dropLocation, new List <Activity>(activitiesToMove).AsReadOnly()))
{
return(false);
}
}
}
return(true);
}
internal bool IsValidDropContext(System.Workflow.ComponentModel.Design.HitTestInfo dropLocation)
{
if (this.draggedActivities.Count == 0)
{
return(false);
}
if ((dropLocation == null) || (dropLocation.AssociatedDesigner == null))
{
return(false);
}
CompositeActivityDesigner associatedDesigner = dropLocation.AssociatedDesigner as CompositeActivityDesigner;
if (associatedDesigner == null)
{
return(false);
}
if (!associatedDesigner.IsEditable || !associatedDesigner.CanInsertActivities(dropLocation, new List <Activity>(this.draggedActivities).AsReadOnly()))
{
return(false);
}
if (!this.wasCtrlKeyPressed && (this.existingDraggedActivities.Count > 0))
{
if (!DesignerHelpers.AreAssociatedDesignersMovable(this.draggedActivities))
{
return(false);
}
if (this.IsRecursiveDropOperation(dropLocation.AssociatedDesigner))
{
return(false);
}
foreach (DictionaryEntry entry in Helpers.PairUpCommonParentActivities(this.draggedActivities))
{
CompositeActivityDesigner designer = ActivityDesigner.GetDesigner(entry.Key as Activity) as CompositeActivityDesigner;
Activity[] collection = (Activity[])((ArrayList)entry.Value).ToArray(typeof(Activity));
if ((designer != null) && !designer.CanMoveActivities(dropLocation, new List <Activity>(collection).AsReadOnly()))
{
return(false);
}
}
}
return(true);
}
private void OnStatusPaste(object sender, EventArgs e)
{
MenuCommand command = (MenuCommand)sender;
command.Enabled = false;
object primarySelection = this.selectionService.PrimarySelection;
CompositeActivityDesigner parentDesigner = ActivityDesigner.GetDesigner(primarySelection as Activity) as CompositeActivityDesigner;
if (parentDesigner == null)
{
parentDesigner = ActivityDesigner.GetParentDesigner(primarySelection);
}
if ((parentDesigner != null) && parentDesigner.IsEditable)
{
IDesignerHost host = this.serviceProvider.GetService(typeof(IDesignerHost)) as IDesignerHost;
IToolboxService service = (IToolboxService)this.serviceProvider.GetService(typeof(IToolboxService));
IDataObject dataObject = Clipboard.GetDataObject();
if (((dataObject != null) && (host != null)) && ((dataObject.GetDataPresent("CF_WINOEDESIGNERCOMPONENTS") || (service == null)) || service.IsSupported(dataObject, host)))
{
System.Workflow.ComponentModel.Design.HitTestInfo insertLocation = null;
if (primarySelection is System.Workflow.ComponentModel.Design.HitTestInfo)
{
insertLocation = (System.Workflow.ComponentModel.Design.HitTestInfo)primarySelection;
}
else if (primarySelection is CompositeActivity)
{
insertLocation = new System.Workflow.ComponentModel.Design.HitTestInfo(parentDesigner, HitTestLocations.Designer);
}
else if (primarySelection is Activity)
{
Activity item = primarySelection as Activity;
CompositeActivity parent = item.Parent;
CompositeActivityDesigner designer = ActivityDesigner.GetDesigner(parent) as CompositeActivityDesigner;
if (designer != null)
{
insertLocation = new ConnectorHitTestInfo(designer, HitTestLocations.Designer, parent.Activities.IndexOf(item) + 1);
}
}
ICollection activities = null;
try
{
activities = CompositeActivityDesigner.DeserializeActivitiesFromDataObject(this.serviceProvider, dataObject);
}
catch (CheckoutException exception)
{
if (exception != CheckoutException.Canceled)
{
throw exception;
}
}
command.Enabled = ((activities != null) && (insertLocation != null)) && parentDesigner.CanInsertActivities(insertLocation, new List <Activity>(Helpers.GetTopLevelActivities(activities)).AsReadOnly());
}
}
}
private void OnMenuPaste(object sender, EventArgs e)
{
object primarySelection = this.selectionService.PrimarySelection;
CompositeActivityDesigner parentDesigner = ActivityDesigner.GetDesigner(primarySelection as Activity) as CompositeActivityDesigner;
if (parentDesigner == null)
{
parentDesigner = ActivityDesigner.GetParentDesigner(primarySelection);
}
if ((parentDesigner != null) && parentDesigner.IsEditable)
{
IDataObject dataObject = Clipboard.GetDataObject();
ICollection activities = null;
try
{
activities = CompositeActivityDesigner.DeserializeActivitiesFromDataObject(this.serviceProvider, dataObject, true);
}
catch (Exception exception)
{
if (exception != CheckoutException.Canceled)
{
throw new Exception(DR.GetString("ActivityInsertError", new object[0]) + "\n" + exception.Message, exception);
}
}
if (activities == null)
{
throw new InvalidOperationException(DR.GetString("InvalidOperationBadClipboardFormat", new object[0]));
}
System.Workflow.ComponentModel.Design.HitTestInfo insertLocation = null;
if (primarySelection is System.Workflow.ComponentModel.Design.HitTestInfo)
{
insertLocation = (System.Workflow.ComponentModel.Design.HitTestInfo)primarySelection;
}
else if (primarySelection is CompositeActivity)
{
insertLocation = new System.Workflow.ComponentModel.Design.HitTestInfo(parentDesigner, HitTestLocations.Designer);
}
else if (primarySelection is Activity)
{
Activity item = primarySelection as Activity;
CompositeActivity parent = item.Parent;
CompositeActivityDesigner designer = ActivityDesigner.GetDesigner(parent) as CompositeActivityDesigner;
if (designer != null)
{
insertLocation = new ConnectorHitTestInfo(designer, HitTestLocations.Designer, parent.Activities.IndexOf(item) + 1);
}
}
List <Activity> list = new List <Activity>(Helpers.GetTopLevelActivities(activities));
if ((insertLocation == null) || !parentDesigner.CanInsertActivities(insertLocation, list.AsReadOnly()))
{
throw new Exception(SR.GetString("Error_NoPasteSupport"));
}
IExtendedUIService service = this.serviceProvider.GetService(typeof(IExtendedUIService)) as IExtendedUIService;
if (service != null)
{
foreach (Activity activity3 in activities)
{
service.AddAssemblyReference(activity3.GetType().Assembly.GetName());
}
}
CompositeActivityDesigner.InsertActivities(parentDesigner, insertLocation, list.AsReadOnly(), SR.GetString("PastingActivities"));
Stream data = dataObject.GetData("CF_WINOEDESIGNERCOMPONENTSSTATE") as Stream;
if (data != null)
{
Helpers.DeserializeDesignersFromStream(activities, data);
}
this.selectionService.SetSelectedComponents(list.ToArray(), SelectionTypes.Replace);
this.workflowView.EnsureVisible(this.selectionService.PrimarySelection);
}
}