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 ActivityDesigner GetDesignerWithFocus()
{
ActivityDesigner designer = null;
ISelectionService service = base.GetService(typeof(ISelectionService)) as ISelectionService;
if (service == null)
{
return(designer);
}
object primarySelection = service.PrimarySelection;
if (primarySelection is Activity)
{
return(ActivityDesigner.GetDesigner(primarySelection as Activity));
}
return(ActivityDesigner.GetParentDesigner(primarySelection));
}
private ActivityDesigner GetDesignerWithFocus()
{
ActivityDesigner designerWithFocus = null;
ISelectionService selectionService = GetService(typeof(ISelectionService)) as ISelectionService;
if (selectionService != null)
{
object primarySelection = selectionService.PrimarySelection;
if (primarySelection is Activity)
{
designerWithFocus = ActivityDesigner.GetDesigner(primarySelection as Activity);
}
else
{
designerWithFocus = ActivityDesigner.GetParentDesigner(primarySelection);
}
}
return(designerWithFocus);
}
protected override bool OnMouseMove(MouseEventArgs eventArgs)
{
bool retval = base.OnMouseMove(eventArgs);
if (eventArgs.Button == MouseButtons.None)
{
bool showMoveCursor = false;
showMoveCursor |= (MessageHitTestContext != null && MessageHitTestContext.AssociatedDesigner != null && ActivityDesigner.GetParentDesigner(MessageHitTestContext.AssociatedDesigner.Activity) is FreeformActivityDesigner && (MessageHitTestContext.HitLocation & HitTestLocations.ActionArea) == 0);
UpdateCursor(showMoveCursor);
}
return(retval);
}
public override object GetNextSelectableObject(object current, DesignerNavigationDirection navigate)
{
object activity = null;
ArrayList list = new ArrayList(this.ContainedDesigners);
ActivityDesigner designer = (current is Activity) ? ActivityDesigner.GetDesigner(current as Activity) : ActivityDesigner.GetParentDesigner(current);
int num = (designer != null) ? list.IndexOf(designer) : -1;
if (((navigate == DesignerNavigationDirection.Left) || (navigate == DesignerNavigationDirection.Up)) && ((num >= 0) && (num < list.Count)))
{
return(((ActivityDesigner)list[(num > 0) ? (num - 1) : (list.Count - 1)]).Activity);
}
if (((navigate == DesignerNavigationDirection.Right) || (navigate == DesignerNavigationDirection.Down)) && (num <= (list.Count - 1)))
{
activity = ((ActivityDesigner)list[(num < (list.Count - 1)) ? (num + 1) : 0]).Activity;
}
return(activity);
}
protected override bool OnKeyDown(KeyEventArgs eventArgs)
{
if (eventArgs != null && (eventArgs.KeyCode == Keys.PageUp || eventArgs.KeyCode == Keys.PageDown))
{
UpdateViewOnPageUpDown(eventArgs.KeyCode == Keys.PageUp);
}
ISelectionService selectionService = ((IServiceProvider)this.ParentView).GetService(typeof(ISelectionService)) as ISelectionService;
//enter key (
if (eventArgs.KeyCode == Keys.Enter)
{
// on enter key we want to do DoDefault of the designer
IDesigner designer = ActivityDesigner.GetDesigner(selectionService.PrimarySelection as Activity) as IDesigner;
if (designer != null)
{
designer.DoDefaultAction();
eventArgs.Handled = true;
}
}
else if (eventArgs.KeyCode == Keys.Escape)
{
if (!eventArgs.Handled)
{
CompositeActivityDesigner parentDesigner = ActivityDesigner.GetParentDesigner(selectionService.PrimarySelection);
if (parentDesigner != null)
{
selectionService.SetSelectedComponents(new object[] { parentDesigner.Activity }, SelectionTypes.Replace);
}
eventArgs.Handled = true;
}
}
else if (eventArgs.KeyCode == Keys.Delete)
{
// check if we are cutting root component
IDesignerHost designerHost = ((IServiceProvider)this.ParentView).GetService(typeof(IDesignerHost)) as IDesignerHost;
if (!(designerHost == null || selectionService.GetComponentSelected(designerHost.RootComponent)))
{
//Check that we are cutting all activities
//Check if we are in writable context
ICollection components = selectionService.GetSelectedComponents();
if (DesignerHelpers.AreComponentsRemovable(components))
{
// check if we can delete these
List <Activity> topLevelActivities = new List <Activity>(Helpers.GetTopLevelActivities(selectionService.GetSelectedComponents()));
bool needToDelete = (topLevelActivities.Count > 0);
IDictionary commonParentActivities = Helpers.PairUpCommonParentActivities(topLevelActivities);
foreach (DictionaryEntry entry in commonParentActivities)
{
CompositeActivityDesigner compositeActivityDesigner = ActivityDesigner.GetDesigner(entry.Key as Activity) as CompositeActivityDesigner;
if (compositeActivityDesigner != null && !compositeActivityDesigner.CanRemoveActivities(new List <Activity>((Activity[])((ArrayList)entry.Value).ToArray(typeof(Activity))).AsReadOnly()))
{
needToDelete = false;
}
}
if (needToDelete)
{
List <ConnectorHitTestInfo> connectors = new List <ConnectorHitTestInfo>();
foreach (object component in components)
{
ConnectorHitTestInfo connector = component as ConnectorHitTestInfo;
if (connector != null)
{
connectors.Add(connector);
}
}
//cache selcted connectors before calling this func
CompositeActivityDesigner.RemoveActivities((IServiceProvider)this.ParentView, topLevelActivities.AsReadOnly(), SR.GetString(SR.DeletingActivities));
//add connectors back to the selection service
if (selectionService != null && connectors.Count > 0)
{
selectionService.SetSelectedComponents(connectors, SelectionTypes.Add);
}
eventArgs.Handled = true;
}
}
}
}
//navigation (left, right, up, down, tab, shift-tab)
else if (eventArgs.KeyCode == Keys.Left || eventArgs.KeyCode == Keys.Right || eventArgs.KeyCode == Keys.Up || eventArgs.KeyCode == Keys.Down || eventArgs.KeyCode == Keys.Tab)
{
//we'll pass it to the parent designer of the primary selected designer
//sequential designers just navigate between their children
//free form designers may move their children on arrow keys and navigate on tab
ActivityDesigner designer = ActivityDesigner.GetDesigner(selectionService.PrimarySelection as Activity) as ActivityDesigner;
if (designer != null && designer.ParentDesigner != null)
{
//we will let the parent see if it wants to handle the event,
//otherwise the selected designer itself will be called from a designer message filter below
((IWorkflowDesignerMessageSink)designer.ParentDesigner).OnKeyDown(eventArgs);
eventArgs.Handled = true;
}
}
if (!eventArgs.Handled)
{
ActivityDesigner designerWithFocus = GetDesignerWithFocus();
if (designerWithFocus != null)
{
((IWorkflowDesignerMessageSink)designerWithFocus).OnKeyDown(eventArgs);
}
}
return(eventArgs.Handled);
}
protected override bool OnKeyDown(KeyEventArgs eventArgs)
{
if ((eventArgs != null) && ((eventArgs.KeyCode == Keys.PageUp) || (eventArgs.KeyCode == Keys.Next)))
{
this.UpdateViewOnPageUpDown(eventArgs.KeyCode == Keys.PageUp);
}
ISelectionService service = ((IServiceProvider)base.ParentView).GetService(typeof(ISelectionService)) as ISelectionService;
if (eventArgs.KeyCode == Keys.Enter)
{
IDesigner designer = ActivityDesigner.GetDesigner(service.PrimarySelection as Activity);
if (designer != null)
{
designer.DoDefaultAction();
eventArgs.Handled = true;
}
}
else if (eventArgs.KeyCode == Keys.Escape)
{
if (!eventArgs.Handled)
{
CompositeActivityDesigner parentDesigner = ActivityDesigner.GetParentDesigner(service.PrimarySelection);
if (parentDesigner != null)
{
service.SetSelectedComponents(new object[] { parentDesigner.Activity }, SelectionTypes.Replace);
}
eventArgs.Handled = true;
}
}
else if (eventArgs.KeyCode == Keys.Delete)
{
IDesignerHost host = ((IServiceProvider)base.ParentView).GetService(typeof(IDesignerHost)) as IDesignerHost;
if ((host != null) && !service.GetComponentSelected(host.RootComponent))
{
ICollection selectedComponents = service.GetSelectedComponents();
if (DesignerHelpers.AreComponentsRemovable(selectedComponents))
{
List <Activity> activities = new List <Activity>(Helpers.GetTopLevelActivities(service.GetSelectedComponents()));
bool flag = activities.Count > 0;
foreach (DictionaryEntry entry in Helpers.PairUpCommonParentActivities(activities))
{
CompositeActivityDesigner designer3 = ActivityDesigner.GetDesigner(entry.Key as Activity) as CompositeActivityDesigner;
if ((designer3 != null) && !designer3.CanRemoveActivities(new List <Activity>((Activity[])((ArrayList)entry.Value).ToArray(typeof(Activity))).AsReadOnly()))
{
flag = false;
}
}
if (flag)
{
List <ConnectorHitTestInfo> components = new List <ConnectorHitTestInfo>();
foreach (object obj2 in selectedComponents)
{
ConnectorHitTestInfo item = obj2 as ConnectorHitTestInfo;
if (item != null)
{
components.Add(item);
}
}
CompositeActivityDesigner.RemoveActivities(base.ParentView, activities.AsReadOnly(), SR.GetString("DeletingActivities"));
if ((service != null) && (components.Count > 0))
{
service.SetSelectedComponents(components, SelectionTypes.Add);
}
eventArgs.Handled = true;
}
}
}
}
else if (((eventArgs.KeyCode == Keys.Left) || (eventArgs.KeyCode == Keys.Right)) || (((eventArgs.KeyCode == Keys.Up) || (eventArgs.KeyCode == Keys.Down)) || (eventArgs.KeyCode == Keys.Tab)))
{
ActivityDesigner designer4 = ActivityDesigner.GetDesigner(service.PrimarySelection as Activity);
if ((designer4 != null) && (designer4.ParentDesigner != null))
{
((IWorkflowDesignerMessageSink)designer4.ParentDesigner).OnKeyDown(eventArgs);
eventArgs.Handled = true;
}
}
if (!eventArgs.Handled)
{
ActivityDesigner designerWithFocus = this.GetDesignerWithFocus();
if (designerWithFocus != null)
{
((IWorkflowDesignerMessageSink)designerWithFocus).OnKeyDown(eventArgs);
}
}
return(eventArgs.Handled);
}
protected override bool OnMouseMove(MouseEventArgs eventArgs)
{
bool flag = base.OnMouseMove(eventArgs);
if (eventArgs.Button == MouseButtons.None)
{
bool showMoveCursor = false;
showMoveCursor |= (((base.MessageHitTestContext != null) && (base.MessageHitTestContext.AssociatedDesigner != null)) && (ActivityDesigner.GetParentDesigner(base.MessageHitTestContext.AssociatedDesigner.Activity) is FreeformActivityDesigner)) && ((base.MessageHitTestContext.HitLocation & HitTestLocations.ActionArea) == HitTestLocations.None);
this.UpdateCursor(showMoveCursor);
}
return(flag);
}
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);
}
}