protected override void OnContainedActivitiesChanged(ActivityCollectionChangeEventArgs listChangeArgs)
{
if (base.ActiveDesigner == this)
{
if (((listChangeArgs.Action == ActivityCollectionChangeAction.Add) && (listChangeArgs.AddedItems.Count > 0)) && !Helpers.IsAlternateFlowActivity(listChangeArgs.AddedItems[0]))
{
System.Workflow.ComponentModel.Design.ItemInfo item = new System.Workflow.ComponentModel.Design.ItemInfo(listChangeArgs.AddedItems[0].GetHashCode());
item.UserData[DesignerUserDataKeys.Activity] = listChangeArgs.AddedItems[0];
if (listChangeArgs.Index < this.previewStrip.Items.Count)
{
this.previewStrip.Items.Insert(listChangeArgs.Index, item);
}
else
{
this.previewStrip.Items.Add(item);
}
}
else if ((listChangeArgs.Action == ActivityCollectionChangeAction.Remove) && (listChangeArgs.RemovedItems.Count > 0))
{
int index = this.previewStrip.Items.IndexOf(new System.Workflow.ComponentModel.Design.ItemInfo(listChangeArgs.RemovedItems[0].GetHashCode()));
if (index >= 0)
{
this.previewStrip.Items.RemoveAt(index);
}
}
}
base.OnContainedActivitiesChanged(listChangeArgs);
}
protected override void OnContainedActivitiesChanging(ActivityCollectionChangeEventArgs listChangeArgs)
{
base.OnContainedActivitiesChanging(listChangeArgs);
if (listChangeArgs.Action == ActivityCollectionChangeAction.Remove)
{
FreeformActivityDesigner connectorContainer = ConnectionManager.GetConnectorContainer(this);
List <Connector> list = new List <Connector>();
for (ActivityDesigner designer2 = this; designer2 != null; designer2 = designer2.ParentDesigner)
{
FreeformActivityDesigner designer3 = designer2 as FreeformActivityDesigner;
if ((designer3 != null) && (designer3.Connectors.Count > 0))
{
foreach (Activity activity in listChangeArgs.RemovedItems)
{
ActivityDesigner designer = ActivityDesigner.GetDesigner(activity);
if (!connectorContainer.MovingActivities.Contains(designer))
{
foreach (Connector connector in designer3.Connectors)
{
if ((designer == connector.Source.AssociatedDesigner) || (designer == connector.Target.AssociatedDesigner))
{
list.Add(connector);
}
}
}
}
}
}
foreach (Connector connector2 in list)
{
connector2.ParentDesigner.RemoveConnector(connector2);
((IDisposable)connector2).Dispose();
}
}
}
protected override void OnContainedActivitiesChanging(ActivityCollectionChangeEventArgs listChangeArgs)
{
base.OnContainedActivitiesChanging(listChangeArgs);
if ((listChangeArgs.Action == ActivityCollectionChangeAction.Remove) && (listChangeArgs.RemovedItems[0] != null))
{
ActivityDesigner activeDesigner = this.ActiveDesigner;
if ((activeDesigner != null) && (listChangeArgs.RemovedItems[0] == activeDesigner.Activity))
{
this.ActiveView = this.ValidatedViews[0];
}
SecondaryViewProvider.OnViewRemoved(this, listChangeArgs.RemovedItems[0].GetType());
}
}
private void OnComponentChanged(object sender, ComponentChangedEventArgs e)
{
ActivityCollectionChangeEventArgs changeEventArgs = e.OldValue as ActivityCollectionChangeEventArgs;
if (changeEventArgs != null)
{
this.IsDirty = true;
}
else if (e.Member != null && e.Component is Activity)
{
WorkflowOutlineNode node = this.activityToNodeMapping[e.Component] as WorkflowOutlineNode;
if (node != null && string.Equals(e.Member.Name, "Enabled", StringComparison.Ordinal))
{
RefreshNode(node, true);
}
}
}
protected override void OnContainedActivitiesChanging(ActivityCollectionChangeEventArgs listChangeArgs)
{
base.OnContainedActivitiesChanging(listChangeArgs);
if (listChangeArgs.Action == ActivityCollectionChangeAction.Remove && listChangeArgs.RemovedItems[0] != null)
{
ActivityDesigner activeDesigner = ActiveDesigner;
if (activeDesigner != null && listChangeArgs.RemovedItems[0] == activeDesigner.Activity)
ActiveView = ValidatedViews[0];
SecondaryViewProvider.OnViewRemoved(this, listChangeArgs.RemovedItems[0].GetType());
}
}
private void OnActivityListChanged(object sender, ActivityCollectionChangeEventArgs e)
{
OnContainedActivitiesChanged(e);
}
/// <summary>
/// Notifies that number of activities contained within the designers have changed
/// </summary>
/// <param name="listChangeArgs">ItemListChangeEventArgs containing information about what has changed</param>
protected virtual void OnContainedActivitiesChanged(ActivityCollectionChangeEventArgs listChangeArgs)
{
if (listChangeArgs == null)
throw new ArgumentNullException("listChangeArgs");
// Update the status of all the designers
foreach (ActivityDesigner activityDesigner in ContainedDesigners)
{
foreach (DesignerVerb designerVerb in ((IDesigner)activityDesigner).Verbs)
{
int status = designerVerb.OleStatus;
status = 0;
}
}
RefreshDesignerVerbs();
//clear the list of activity designers (force to create the new list the next time it is requested)
this.containedActivityDesigners = null;
PerformLayout();
}
/// <summary>
/// Notifies that number of activities contained within the designers are changing
/// </summary>
/// <param name="listChangeArgs">ActivityCollectionChangeEventArgs containing information about what is about to change</param>
protected virtual void OnContainedActivitiesChanging(ActivityCollectionChangeEventArgs listChangeArgs)
{
if (listChangeArgs == null)
throw new ArgumentNullException("listChangeArgs");
}
protected override void OnContainedActivitiesChanged(ActivityCollectionChangeEventArgs listChangeArgs)
{
if (ActiveDesigner == this)
{
if (listChangeArgs.Action == ActivityCollectionChangeAction.Add && listChangeArgs.AddedItems.Count > 0 && !Helpers.IsAlternateFlowActivity(listChangeArgs.AddedItems[0]))
{
ItemInfo itemToAdd = new ItemInfo(listChangeArgs.AddedItems[0].GetHashCode());
itemToAdd.UserData[DesignerUserDataKeys.Activity] = listChangeArgs.AddedItems[0];
if (listChangeArgs.Index < this.previewStrip.Items.Count)
this.previewStrip.Items.Insert(listChangeArgs.Index, itemToAdd);
else
this.previewStrip.Items.Add(itemToAdd);
}
else if (listChangeArgs.Action == ActivityCollectionChangeAction.Remove && listChangeArgs.RemovedItems.Count > 0)
{
int index = this.previewStrip.Items.IndexOf(new ItemInfo(listChangeArgs.RemovedItems[0].GetHashCode()));
if (index >= 0)
this.previewStrip.Items.RemoveAt(index);
}
}
base.OnContainedActivitiesChanged(listChangeArgs);
}
//
protected override void OnContainedActivitiesChanging(ActivityCollectionChangeEventArgs listChangeArgs)
{
base.OnContainedActivitiesChanging(listChangeArgs);
if (listChangeArgs.Action == ActivityCollectionChangeAction.Remove)
{
FreeformActivityDesigner connectorContainer = ConnectionManager.GetConnectorContainer(this);
List<Connector> connectorsToDelete = new List<Connector>();
//check if the removed designer is being moved within the same container
//in this case dont remove the connector...
ActivityDesigner activityDesigner = this;
while (activityDesigner != null)
{
FreeformActivityDesigner freeFormDesigner = activityDesigner as FreeformActivityDesigner;
if (freeFormDesigner != null && freeFormDesigner.Connectors.Count > 0)
{
foreach (Activity activityToRemove in listChangeArgs.RemovedItems)
{
ActivityDesigner designerToRemove = ActivityDesigner.GetDesigner(activityToRemove);
//if the designer is being moved within the same container, ignore it
//otherwise remove all related connectors
if (!connectorContainer.MovingActivities.Contains(designerToRemove))
{
foreach (Connector connector in freeFormDesigner.Connectors)
{
if (designerToRemove == connector.Source.AssociatedDesigner || designerToRemove == connector.Target.AssociatedDesigner)
connectorsToDelete.Add(connector);
}
}
}
}
activityDesigner = activityDesigner.ParentDesigner;
}
foreach (Connector connectorToDelete in connectorsToDelete)
{
connectorToDelete.ParentDesigner.RemoveConnector(connectorToDelete);
((IDisposable)connectorToDelete).Dispose();
}
}
}
