protected virtual void OnListChanging(ActivityCollectionChangeEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
if ((e.Action == ActivityCollectionChangeAction.Add) && (e.AddedItems != null))
{
foreach (Activity activity in e.AddedItems)
{
if (activity.Parent != null)
{
throw new InvalidOperationException(SR.GetString("Error_ActivityHasParent", new object[] { activity.QualifiedName, activity.Parent.QualifiedName }));
}
if (activity == this)
{
throw new InvalidOperationException(SR.GetString("Error_Recursion", new object[] { activity.QualifiedName }));
}
}
}
if (this.Site != null)
{
IComponentChangeService service = this.Site.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
if (service != null)
{
service.OnComponentChanging(this, null);
}
}
}
private void FireListChanging(ActivityCollectionChangeEventArgs eventArgs)
{
if (this.ListChanging != null)
{
this.ListChanging(this, eventArgs);
}
}
private void OnListChangingEventHandler(object sender, ActivityCollectionChangeEventArgs e)
{
if (!base.DesignMode && !base.DynamicUpdateMode)
{
throw new InvalidOperationException(SR.GetString("Error_CanNotChangeAtRuntime"));
}
if (!this.CanModifyActivities)
{
if ((base.DesignMode && (Activity.ActivityType != null)) && (base.GetType() == Activity.ActivityType))
{
throw new InvalidOperationException(SR.GetString("Error_Missing_CanModifyProperties_True", new object[] { base.GetType().FullName }));
}
if (!IsDynamicMode(this) && CannotModifyChildren(this, false))
{
throw new InvalidOperationException(SR.GetString("Error_CannotAddRemoveChildActivities"));
}
if (IsDynamicMode(this) && CannotModifyChildren(this, true))
{
throw new InvalidOperationException(SR.GetString("Error_CannotAddRemoveChildActivities"));
}
}
if ((e.Action == ActivityCollectionChangeAction.Add) && (e.AddedItems != null))
{
for (Activity activity = this; activity != null; activity = activity.Parent)
{
if (e.AddedItems.Contains(activity))
{
throw new InvalidOperationException(SR.GetString("Error_ActivityCircularReference"));
}
}
}
this.OnListChanging(e);
}
void ICollection <Activity> .Clear()
{
ICollection <Activity> children = base.GetRange(0, base.Count);
ActivityCollectionChangeEventArgs args = new ActivityCollectionChangeEventArgs(-1, children, null, this.owner, ActivityCollectionChangeAction.Remove);
FireListChanging(args);
base.Clear();
FireListChanged(args);
}
void ICollection <Activity> .Clear()
{
ICollection <Activity> range = base.GetRange(0, base.Count);
ActivityCollectionChangeEventArgs eventArgs = new ActivityCollectionChangeEventArgs(-1, range, null, this.owner, ActivityCollectionChangeAction.Remove);
this.FireListChanging(eventArgs);
base.Clear();
this.FireListChanged(eventArgs);
}
void ICollection <Activity> .Add(Activity item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
ActivityCollectionChangeEventArgs eventArgs = new ActivityCollectionChangeEventArgs(base.Count, null, item, this.owner, ActivityCollectionChangeAction.Add);
this.FireListChanging(eventArgs);
base.Add(item);
this.FireListChanged(eventArgs);
}
protected virtual void OnListChanged(ActivityCollectionChangeEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
if (((e.Action == ActivityCollectionChangeAction.Replace) || (e.Action == ActivityCollectionChangeAction.Remove)) && (e.RemovedItems != null))
{
foreach (Activity activity in e.RemovedItems)
{
activity.SetParent(null);
}
}
if (((e.Action == ActivityCollectionChangeAction.Replace) || (e.Action == ActivityCollectionChangeAction.Add)) && (e.AddedItems != null))
{
foreach (Activity activity2 in e.AddedItems)
{
activity2.SetParent(this);
}
Queue <Activity> queue = new Queue <Activity>(e.AddedItems);
while (queue.Count > 0)
{
Activity activity3 = queue.Dequeue();
if ((activity3 != null) && (((activity3.Name == null) || (activity3.Name.Length == 0)) || (activity3.Name == activity3.GetType().Name)))
{
Activity rootActivity = Helpers.GetRootActivity(activity3);
string str = rootActivity.GetValue(WorkflowMarkupSerializer.XClassProperty) as string;
if ((rootActivity.Parent == null) || !string.IsNullOrEmpty(str))
{
ArrayList list = new ArrayList();
list.AddRange(Helpers.GetIdentifiersInCompositeActivity(rootActivity as CompositeActivity));
activity3.Name = DesignerHelpers.GenerateUniqueIdentifier(this.Site, Helpers.GetBaseIdentifier(activity3), (string[])list.ToArray(typeof(string)));
}
}
if (activity3 is CompositeActivity)
{
foreach (Activity activity5 in ((CompositeActivity)activity3).Activities)
{
queue.Enqueue(activity5);
}
}
}
}
if (this.Site != null)
{
IComponentChangeService service = this.Site.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
if (service != null)
{
service.OnComponentChanged(this, null, e, null);
}
}
}
void IList <Activity> .RemoveAt(int index)
{
if ((index < 0) || (index >= base.Count))
{
throw new ArgumentOutOfRangeException("Index");
}
Activity removedActivity = base[index];
ActivityCollectionChangeEventArgs eventArgs = new ActivityCollectionChangeEventArgs(index, removedActivity, null, this.owner, ActivityCollectionChangeAction.Remove);
this.FireListChanging(eventArgs);
base.RemoveAt(index);
this.FireListChanged(eventArgs);
}
private void OnActivityListChanged(object sender, ActivityCollectionChangeEventArgs e)
{
if (e.RemovedItems != null)
{
foreach (Activity removedActivity in e.RemovedItems)
{
if (removedActivity.Readonly)
{
ReleaseDynamicUpdateMode(removedActivity);
}
}
}
}
void IList <Activity> .RemoveAt(int index)
{
if (index < 0 || index >= base.Count)
{
throw new ArgumentOutOfRangeException("Index");
}
Activity item = base[index];
ActivityCollectionChangeEventArgs args = new ActivityCollectionChangeEventArgs(index, item, null, this.owner, ActivityCollectionChangeAction.Remove);
FireListChanging(args);
base.RemoveAt(index);
FireListChanged(args);
}
bool ICollection <Activity> .Remove(Activity item)
{
if (base.Contains(item))
{
int index = base.IndexOf(item);
if (index >= 0)
{
ActivityCollectionChangeEventArgs eventArgs = new ActivityCollectionChangeEventArgs(index, item, null, this.owner, ActivityCollectionChangeAction.Remove);
this.FireListChanging(eventArgs);
base.Remove(item);
this.FireListChanged(eventArgs);
return(true);
}
}
return(false);
}
void IList <Activity> .Insert(int index, Activity item)
{
if ((index < 0) || (index > base.Count))
{
throw new ArgumentOutOfRangeException("index");
}
if (item == null)
{
throw new ArgumentNullException("item");
}
ActivityCollectionChangeEventArgs eventArgs = new ActivityCollectionChangeEventArgs(index, null, item, this.owner, ActivityCollectionChangeAction.Add);
this.FireListChanging(eventArgs);
base.Insert(index, item);
this.FireListChanged(eventArgs);
}
Activity IList <Activity> .this[int index]
{
get
{
return(base[index]);
}
set
{
if (value == null)
{
throw new ArgumentNullException("item");
}
Activity removedActivity = base[index];
ActivityCollectionChangeEventArgs eventArgs = new ActivityCollectionChangeEventArgs(index, removedActivity, value, this.owner, ActivityCollectionChangeAction.Replace);
this.FireListChanging(eventArgs);
base[index] = value;
this.FireListChanged(eventArgs);
}
}
Activity IList <Activity> .this[int index]
{
get
{
return(base[index]);
}
set
{
if (value == null)
{
throw new ArgumentNullException("item");
}
Activity oldItem = base[index];
ActivityCollectionChangeEventArgs args = new ActivityCollectionChangeEventArgs(index, oldItem, value, this.owner, ActivityCollectionChangeAction.Replace);
FireListChanging(args);
base[index] = value;
FireListChanged(args);
}
}
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 OnContainedActivitiesChanged(ActivityCollectionChangeEventArgs listChangeArgs)
{
base.OnContainedActivitiesChanged(listChangeArgs);
if (this.ActiveDesigner != null &&
listChangeArgs.RemovedItems.Contains(this.ActiveDesigner.Activity))
{
SetActiveDesigner(null);
}
this.DesignersParser = null;
}
private void OnActivityListChanged(object sender, ActivityCollectionChangeEventArgs e)
{
if (e.RemovedItems != null)
{
foreach (Activity activity in e.RemovedItems)
{
if (activity.Readonly)
{
this.ReleaseDynamicUpdateMode(activity);
}
}
}
}
private void OnListChangedEventHandler(object sender, ActivityCollectionChangeEventArgs e)
{
this.OnListChanged(e);
}
protected virtual void OnListChanging(ActivityCollectionChangeEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
if ((e.Action == ActivityCollectionChangeAction.Add) && (e.AddedItems != null))
{
foreach (Activity activity in e.AddedItems)
{
if (activity.Parent != null)
{
throw new InvalidOperationException(SR.GetString("Error_ActivityHasParent", new object[] { activity.QualifiedName, activity.Parent.QualifiedName }));
}
if (activity == this)
{
throw new InvalidOperationException(SR.GetString("Error_Recursion", new object[] { activity.QualifiedName }));
}
}
}
if (this.Site != null)
{
IComponentChangeService service = this.Site.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
if (service != null)
{
service.OnComponentChanging(this, null);
}
}
}
private void OnListChangedEventHandler(object sender, ActivityCollectionChangeEventArgs e)
{
this.OnListChanged(e);
}
private void OnListChangingEventHandler(object sender, ActivityCollectionChangeEventArgs e)
{
if (!base.DesignMode && !base.DynamicUpdateMode)
{
throw new InvalidOperationException(SR.GetString("Error_CanNotChangeAtRuntime"));
}
if (!this.CanModifyActivities)
{
if ((base.DesignMode && (Activity.ActivityType != null)) && (base.GetType() == Activity.ActivityType))
{
throw new InvalidOperationException(SR.GetString("Error_Missing_CanModifyProperties_True", new object[] { base.GetType().FullName }));
}
if (!IsDynamicMode(this) && CannotModifyChildren(this, false))
{
throw new InvalidOperationException(SR.GetString("Error_CannotAddRemoveChildActivities"));
}
if (IsDynamicMode(this) && CannotModifyChildren(this, true))
{
throw new InvalidOperationException(SR.GetString("Error_CannotAddRemoveChildActivities"));
}
}
if ((e.Action == ActivityCollectionChangeAction.Add) && (e.AddedItems != null))
{
for (Activity activity = this; activity != null; activity = activity.Parent)
{
if (e.AddedItems.Contains(activity))
{
throw new InvalidOperationException(SR.GetString("Error_ActivityCircularReference"));
}
}
}
this.OnListChanging(e);
}
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 OnActivityListChanging(object sender, ActivityCollectionChangeEventArgs e)
{
this.OnContainedActivitiesChanging(e);
}
protected virtual void OnListChanged(ActivityCollectionChangeEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
if (((e.Action == ActivityCollectionChangeAction.Replace) || (e.Action == ActivityCollectionChangeAction.Remove)) && (e.RemovedItems != null))
{
foreach (Activity activity in e.RemovedItems)
{
activity.SetParent(null);
}
}
if (((e.Action == ActivityCollectionChangeAction.Replace) || (e.Action == ActivityCollectionChangeAction.Add)) && (e.AddedItems != null))
{
foreach (Activity activity2 in e.AddedItems)
{
activity2.SetParent(this);
}
Queue<Activity> queue = new Queue<Activity>(e.AddedItems);
while (queue.Count > 0)
{
Activity activity3 = queue.Dequeue();
if ((activity3 != null) && (((activity3.Name == null) || (activity3.Name.Length == 0)) || (activity3.Name == activity3.GetType().Name)))
{
Activity rootActivity = Helpers.GetRootActivity(activity3);
string str = rootActivity.GetValue(WorkflowMarkupSerializer.XClassProperty) as string;
if ((rootActivity.Parent == null) || !string.IsNullOrEmpty(str))
{
ArrayList list = new ArrayList();
list.AddRange(Helpers.GetIdentifiersInCompositeActivity(rootActivity as CompositeActivity));
activity3.Name = DesignerHelpers.GenerateUniqueIdentifier(this.Site, Helpers.GetBaseIdentifier(activity3), (string[]) list.ToArray(typeof(string)));
}
}
if (activity3 is CompositeActivity)
{
foreach (Activity activity5 in ((CompositeActivity) activity3).Activities)
{
queue.Enqueue(activity5);
}
}
}
}
if (this.Site != null)
{
IComponentChangeService service = this.Site.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
if (service != null)
{
service.OnComponentChanged(this, null, e, null);
}
}
}
protected virtual void OnContainedActivitiesChanged(ActivityCollectionChangeEventArgs listChangeArgs)
{
if (listChangeArgs == null)
{
throw new ArgumentNullException("listChangeArgs");
}
foreach (ActivityDesigner designer in this.ContainedDesigners)
{
foreach (DesignerVerb verb in ((IDesigner) designer).Verbs)
{
int oleStatus = verb.OleStatus;
}
}
base.RefreshDesignerVerbs();
this.containedActivityDesigners = null;
base.PerformLayout();
}
protected virtual void OnContainedActivitiesChanging(ActivityCollectionChangeEventArgs listChangeArgs)
{
if (listChangeArgs == null)
{
throw new ArgumentNullException("listChangeArgs");
}
}
