private void InitiateDragDrop()
{
WorkflowView parentView = ParentView;
ISelectionService selectionService = (ISelectionService)GetService(typeof(ISelectionService));
IDesignerHost designerHost = (IDesignerHost)GetService(typeof(IDesignerHost));
if (selectionService == null || designerHost == null)
{
return;
}
// check if we are cutting root component
ICollection components = selectionService.GetSelectedComponents();
if (components == null || components.Count < 1 || selectionService.GetComponentSelected(designerHost.RootComponent) || !Helpers.AreAllActivities(components))
{
return;
}
DragDropEffects effects = DragDropEffects.None;
try
{
// get component serialization service
this.existingDraggedActivities.AddRange(Helpers.GetTopLevelActivities(components));
//IMPORTANT: FOR WITHIN DESIGNER COMPONENT MOVE WE REMOVE THE ACTIVITIES BEFORE WE ADD THEM WHICH IS IN
//ONDRAGDROP FUNCTION. ALTHOUGH THIS VIOLATES THE DODRAGDROP FUNCTION SIMANTICS, WE NEED TO DO THIS
//SO THAT WE CAN USE THE SAME IDS FOR THE ACTIVITIES
DragDropEffects allowedEffects = (DesignerHelpers.AreAssociatedDesignersMovable(this.existingDraggedActivities)) ? DragDropEffects.Move | DragDropEffects.Copy : DragDropEffects.Copy;
IDataObject dataObject = CompositeActivityDesigner.SerializeActivitiesToDataObject(ParentView, this.existingDraggedActivities.ToArray());
effects = parentView.DoDragDrop(dataObject, allowedEffects);
//
}
catch (Exception e)
{
DesignerHelpers.ShowError(ParentView, e.Message);
}
finally
{
//This means drag drop occurred across designer
if (effects == DragDropEffects.Move && this.existingDraggedActivities.Count > 0)
{
string transactionDescription = String.Empty;
if (this.existingDraggedActivities.Count > 1)
{
transactionDescription = SR.GetString(SR.MoveMultipleActivities, this.existingDraggedActivities.Count);
}
else
{
transactionDescription = SR.GetString(SR.MoveSingleActivity, this.existingDraggedActivities[0].GetType());
}
CompositeActivityDesigner.RemoveActivities(ParentView, this.existingDraggedActivities.AsReadOnly(), transactionDescription);
}
this.existingDraggedActivities.Clear();
}
}
internal static object EditValue(ITypeDescriptorContext context)
{
object value = null;
if (context != null && context.PropertyDescriptor != null && context.Instance != null)
{
BindUITypeEditor bindTypeEditor = new BindUITypeEditor();
value = context.PropertyDescriptor.GetValue(context.Instance);
value = bindTypeEditor.EditValue(context, context, value);
try
{
context.PropertyDescriptor.SetValue(context.Instance, value);
}
catch (Exception e)
{
string message = SR.GetString(SR.Error_CanNotBindProperty, context.PropertyDescriptor.Name);
if (!String.IsNullOrEmpty(e.Message))
{
message += "\n\n" + e.Message;
}
DesignerHelpers.ShowError(context, message);
}
}
return(value);
}
private void OnMenuPrint(object sender, EventArgs e)
{
if (PrinterSettings.InstalledPrinters.Count < 1)
{
DesignerHelpers.ShowError(this.serviceProvider, DR.GetString("ThereIsNoPrinterInstalledErrorMessage", new object[0]));
}
else
{
PrintDocument printDocument = this.workflowView.PrintDocument;
PrintDialog dialog = new PrintDialog {
AllowPrintToFile = false,
Document = printDocument
};
try
{
if (DialogResult.OK == dialog.ShowDialog())
{
PrinterSettings printerSettings = printDocument.PrinterSettings;
PageSettings defaultPageSettings = printDocument.DefaultPageSettings;
printDocument.PrinterSettings = dialog.PrinterSettings;
printDocument.DefaultPageSettings = dialog.Document.DefaultPageSettings;
printDocument.Print();
printDocument.PrinterSettings = printerSettings;
printDocument.DefaultPageSettings = defaultPageSettings;
}
}
catch (Exception exception)
{
string message = DR.GetString("SelectedPrinterIsInvalidErrorMessage", new object[0]) + "\n" + exception.Message;
DesignerHelpers.ShowError(this.serviceProvider, message);
}
}
}
internal static object EditValue(ITypeDescriptorContext context)
{
object obj2 = null;
if (((context != null) && (context.PropertyDescriptor != null)) && (context.Instance != null))
{
BindUITypeEditor editor = new BindUITypeEditor();
obj2 = context.PropertyDescriptor.GetValue(context.Instance);
obj2 = editor.EditValue(context, context, obj2);
try
{
context.PropertyDescriptor.SetValue(context.Instance, obj2);
}
catch (Exception exception)
{
string message = SR.GetString("Error_CanNotBindProperty", new object[] { context.PropertyDescriptor.Name });
if (!string.IsNullOrEmpty(exception.Message))
{
message = message + "\n\n" + exception.Message;
}
DesignerHelpers.ShowError(context, message);
}
}
return(obj2);
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider serviceProvider, object value)
{
if (serviceProvider == null)
{
throw new ArgumentNullException("serviceProvider");
}
this.serviceProvider = serviceProvider;
object returnValue = value;
if (context != null && context.PropertyDescriptor is DynamicPropertyDescriptor)
{
try
{
using (ActivityBindForm bindDialog = new ActivityBindForm(this.serviceProvider, context))
{
if (DialogResult.OK == bindDialog.ShowDialog())
{
//Now that OK has been pressed in the dialog we need to create members if necessary
if (bindDialog.CreateNew)
{
//Emit the field / property as required
if (bindDialog.CreateNewProperty)
{
List <CustomProperty> properties = CustomActivityDesignerHelper.GetCustomProperties(context);
if (properties != null)
{
properties.Add(CustomProperty.CreateCustomProperty(this.serviceProvider, bindDialog.NewMemberName, context.PropertyDescriptor, context.Instance));
CustomActivityDesignerHelper.SetCustomProperties(properties, context);
}
}
else
{
ActivityBindPropertyDescriptor.CreateField(context, bindDialog.Binding, true);
}
}
returnValue = bindDialog.Binding;
}
}
}
catch (Exception e)
{
string message = SR.GetString(SR.Error_CanNotBindProperty, context.PropertyDescriptor.Name);
if (!String.IsNullOrEmpty(e.Message))
{
message += "\n\n" + e.Message;
}
DesignerHelpers.ShowError(context, message);
}
}
else
{
DesignerHelpers.ShowError(this.serviceProvider, SR.GetString(SR.Error_MultipleSelectNotSupportedForBindAndPromote));
}
return(returnValue);
}
protected override void OnBeginPrint(PrintEventArgs printArgs)
{
base.OnBeginPrint(printArgs);
this.currentPrintablePage = Point.Empty;
bool flag = (base.PrinterSettings.IsValid && (PrinterSettings.InstalledPrinters.Count > 0)) && new ArrayList(PrinterSettings.InstalledPrinters).Contains(base.PrinterSettings.PrinterName);
if (!flag)
{
DesignerHelpers.ShowError(this.workflowView, DR.GetString("SelectedPrinterIsInvalidErrorMessage", new object[0]));
}
printArgs.Cancel = !flag || (this.workflowView.RootDesigner == null);
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider serviceProvider, object value)
{
if (serviceProvider == null)
{
throw new ArgumentNullException("serviceProvider");
}
this.serviceProvider = serviceProvider;
object obj2 = value;
if ((context != null) && (context.PropertyDescriptor is DynamicPropertyDescriptor))
{
try
{
using (ActivityBindForm form = new ActivityBindForm(this.serviceProvider, context))
{
if (DialogResult.OK != form.ShowDialog())
{
return(obj2);
}
if (form.CreateNew)
{
if (form.CreateNewProperty)
{
List <CustomProperty> customProperties = CustomActivityDesignerHelper.GetCustomProperties(context);
if (customProperties != null)
{
customProperties.Add(CustomProperty.CreateCustomProperty(this.serviceProvider, form.NewMemberName, context.PropertyDescriptor, context.Instance));
CustomActivityDesignerHelper.SetCustomProperties(customProperties, context);
}
}
else
{
ActivityBindPropertyDescriptor.CreateField(context, form.Binding, true);
}
}
return(form.Binding);
}
}
catch (Exception exception)
{
string message = SR.GetString("Error_CanNotBindProperty", new object[] { context.PropertyDescriptor.Name });
if (!string.IsNullOrEmpty(exception.Message))
{
message = message + "\n\n" + exception.Message;
}
DesignerHelpers.ShowError(context, message);
}
return(obj2);
}
DesignerHelpers.ShowError(this.serviceProvider, SR.GetString("Error_MultipleSelectNotSupportedForBindAndPromote"));
return(obj2);
}
private void OnMenuPageSetup(object sender, EventArgs e)
{
if (PrinterSettings.InstalledPrinters.Count < 1)
{
DesignerHelpers.ShowError(this.serviceProvider, DR.GetString("ThereIsNoPrinterInstalledErrorMessage", new object[0]));
}
else
{
WorkflowPageSetupDialog dialog = new WorkflowPageSetupDialog(this.serviceProvider);
if (DialogResult.OK == dialog.ShowDialog())
{
this.workflowView.PerformLayout(false);
}
}
}
protected override void OnBeginPrint(PrintEventArgs printArgs)
{
base.OnBeginPrint(printArgs);
this.currentPrintablePage = Point.Empty;
//Validate the printer
bool validPrinter = (PrinterSettings.IsValid &&
PrinterSettings.InstalledPrinters.Count > 0 &&
new ArrayList(PrinterSettings.InstalledPrinters).Contains(PrinterSettings.PrinterName));
if (!validPrinter)
{
DesignerHelpers.ShowError(this.workflowView, DR.GetString(DR.SelectedPrinterIsInvalidErrorMessage));
}
printArgs.Cancel = (!validPrinter || this.workflowView.RootDesigner == null);
}
private void InitiateDragDrop()
{
WorkflowView parentView = base.ParentView;
ISelectionService service = (ISelectionService)base.GetService(typeof(ISelectionService));
IDesignerHost host = (IDesignerHost)base.GetService(typeof(IDesignerHost));
if ((service != null) && (host != null))
{
ICollection selectedComponents = service.GetSelectedComponents();
if (((selectedComponents != null) && (selectedComponents.Count >= 1)) && (!service.GetComponentSelected(host.RootComponent) && Helpers.AreAllActivities(selectedComponents)))
{
DragDropEffects none = DragDropEffects.None;
try
{
this.existingDraggedActivities.AddRange(Helpers.GetTopLevelActivities(selectedComponents));
DragDropEffects allowedEffects = DesignerHelpers.AreAssociatedDesignersMovable(this.existingDraggedActivities) ? (DragDropEffects.Move | DragDropEffects.Copy) : DragDropEffects.Copy;
IDataObject data = CompositeActivityDesigner.SerializeActivitiesToDataObject(base.ParentView, this.existingDraggedActivities.ToArray());
none = parentView.DoDragDrop(data, allowedEffects);
}
catch (Exception exception)
{
DesignerHelpers.ShowError(base.ParentView, exception.Message);
}
finally
{
if ((none == DragDropEffects.Move) && (this.existingDraggedActivities.Count > 0))
{
string transactionDescription = string.Empty;
if (this.existingDraggedActivities.Count > 1)
{
transactionDescription = SR.GetString("MoveMultipleActivities", new object[] { this.existingDraggedActivities.Count });
}
else
{
transactionDescription = SR.GetString("MoveSingleActivity", new object[] { this.existingDraggedActivities[0].GetType() });
}
CompositeActivityDesigner.RemoveActivities(base.ParentView, this.existingDraggedActivities.AsReadOnly(), transactionDescription);
}
this.existingDraggedActivities.Clear();
}
}
}
}
protected override bool OnDragDrop(DragEventArgs eventArgs)
{
//Invalidate the entire rectangle so that we draw active placement glyphs on connectors
WorkflowView parentView = ParentView;
parentView.InvalidateClientRectangle(Rectangle.Empty);
//By default we do not allow any drag drop operation
eventArgs.Effect = DragDropEffects.None;
DestroyDragFeedbackImages();
//Get the coordinates
Point clientPoint = parentView.PointToClient(new Point(eventArgs.X, eventArgs.Y));
Point logicalPoint = parentView.ScreenPointToLogical(new Point(eventArgs.X, eventArgs.Y));
//Now we check if the drag drop was in any valid area, if not then do not proceed further
if (!parentView.IsClientPointInActiveLayout(clientPoint))
{
if (this.dropTargetDesigner != null)
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragLeave();
}
this.wasCtrlKeyPressed = false;
this.dropTargetDesigner = null;
this.draggedActivities.Clear();
return(false);
}
//Now we have a potential for successful drag drop, so construct drag event arguments with logical coordinates
this.wasCtrlKeyPressed = ((eventArgs.KeyState & 8) == 8);
ActivityDragEventArgs dragdropEventArgs = new ActivityDragEventArgs(eventArgs, this.dragInitiationPoint, logicalPoint, this.draggedActivities);
//Now check which designer is under the cursor, if we have the same designer as the old one
//If not then we set the new one as drop target and pump in messages
HitTestInfo hitTestInfo = MessageHitTestContext;
if (this.dropTargetDesigner != hitTestInfo.AssociatedDesigner)
{
if (this.dropTargetDesigner != null)
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragLeave();
this.dropTargetDesigner = null;
}
if (hitTestInfo.AssociatedDesigner != null)
{
this.dropTargetDesigner = hitTestInfo.AssociatedDesigner;
if (this.dropTargetDesigner != null)
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragEnter(dragdropEventArgs);
}
}
}
//We now have appropriate droptarget designer
try
{
if (this.dropTargetDesigner != null)
{
//We do not allow recursive drag and drop
if (!this.wasCtrlKeyPressed && IsRecursiveDropOperation(this.dropTargetDesigner) ||
(this.dropTargetDesigner is CompositeActivityDesigner && !((CompositeActivityDesigner)this.dropTargetDesigner).IsEditable))
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragLeave();
dragdropEventArgs.Effect = DragDropEffects.None;
}
else
{
// IMPORTANT: Don't use draggedActivities variable, because components which are
// there may not be created using the assembly references added to ITypeResultionService
// this.workflowView.time the components will be created using the assembly references got added to the project
List <Activity> droppedActivities = new List <Activity>();
string transactionDescription = SR.GetString(SR.DragDropActivities);
//This means that we are trying to move activities so we use the same activities for drop
if (!this.wasCtrlKeyPressed && this.existingDraggedActivities.Count > 0)
{
droppedActivities.AddRange(this.existingDraggedActivities);
if (droppedActivities.Count > 1)
{
transactionDescription = SR.GetString(SR.MoveMultipleActivities, droppedActivities.Count);
}
else if (droppedActivities.Count == 1)
{
transactionDescription = SR.GetString(SR.MoveSingleActivity, droppedActivities[0].GetType());
}
}
else
{
droppedActivities.AddRange(CompositeActivityDesigner.DeserializeActivitiesFromDataObject(ParentView, eventArgs.Data, true));
if (droppedActivities.Count > 0)
{
transactionDescription = SR.GetString(SR.CreateActivityFromToolbox, droppedActivities[0].GetType());
}
}
//Now that we have what needs to be dropped, we start the actual drag and drop
IDesignerHost designerHost = GetService(typeof(IDesignerHost)) as IDesignerHost;
DesignerTransaction transaction = null;
if (droppedActivities.Count > 0)
{
transaction = designerHost.CreateTransaction(transactionDescription);
}
dragdropEventArgs = new ActivityDragEventArgs(eventArgs, this.dragInitiationPoint, logicalPoint, droppedActivities);
try
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragDrop(dragdropEventArgs);
if (dragdropEventArgs.Effect == DragDropEffects.Move)
{
this.existingDraggedActivities.Clear();
}
if (transaction != null)
{
transaction.Commit();
}
}
catch (Exception e)
{
if (transaction != null)
{
transaction.Cancel();
}
throw e;
}
//We deserialize the designers and try to store the designer states
if (droppedActivities.Count > 0)
{
Stream componentStateStream = eventArgs.Data.GetData(DragDropManager.CF_DESIGNERSTATE) as Stream;
if (componentStateStream != null)
{
Helpers.DeserializeDesignersFromStream(droppedActivities, componentStateStream);
}
//Set the current selection
ISelectionService selectionService = (ISelectionService)GetService(typeof(ISelectionService));
if (selectionService != null)
{
selectionService.SetSelectedComponents(droppedActivities, SelectionTypes.Replace);
}
}
//Active the design surface
if (designerHost != null)
{
designerHost.Activate();
}
}
}
}
catch (Exception ex)
{
//We purposely consume application thrown exception which are result of user cancelling the action
//during dragdrop where we popup UI Wizards during drag drop. Ref: InvokeWebService
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragLeave();
dragdropEventArgs.Effect = DragDropEffects.None;
string dragDropException = ex.Message;
if (ex.InnerException != null && !String.IsNullOrEmpty(ex.InnerException.Message))
{
dragDropException = ex.InnerException.Message;
}
string errorMessage = DR.GetString(DR.Error_FailedToDeserializeComponents);
errorMessage += "\r\n" + DR.GetString(DR.Error_Reason, dragDropException);
DesignerHelpers.ShowError(ParentView, errorMessage);
if (ex != CheckoutException.Canceled)
{
throw new Exception(errorMessage, ex);
}
}
finally
{
//Make sure that mouse over designer is set to null
this.wasCtrlKeyPressed = false;
this.draggedActivities.Clear();
this.dropTargetDesigner = null;
this.exceptionInDragDrop = false;
eventArgs.Effect = dragdropEventArgs.Effect;
}
return(true);
}
protected override bool OnDragDrop(DragEventArgs eventArgs)
{
WorkflowView parentView = base.ParentView;
parentView.InvalidateClientRectangle(Rectangle.Empty);
eventArgs.Effect = DragDropEffects.None;
this.DestroyDragFeedbackImages();
Point clientPoint = parentView.PointToClient(new Point(eventArgs.X, eventArgs.Y));
Point point = parentView.ScreenPointToLogical(new Point(eventArgs.X, eventArgs.Y));
if (!parentView.IsClientPointInActiveLayout(clientPoint))
{
if (this.dropTargetDesigner != null)
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragLeave();
}
this.wasCtrlKeyPressed = false;
this.dropTargetDesigner = null;
this.draggedActivities.Clear();
return(false);
}
this.wasCtrlKeyPressed = (eventArgs.KeyState & 8) == 8;
ActivityDragEventArgs e = new ActivityDragEventArgs(eventArgs, this.dragInitiationPoint, point, this.draggedActivities);
System.Workflow.ComponentModel.Design.HitTestInfo messageHitTestContext = base.MessageHitTestContext;
if (this.dropTargetDesigner != messageHitTestContext.AssociatedDesigner)
{
if (this.dropTargetDesigner != null)
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragLeave();
this.dropTargetDesigner = null;
}
if (messageHitTestContext.AssociatedDesigner != null)
{
this.dropTargetDesigner = messageHitTestContext.AssociatedDesigner;
if (this.dropTargetDesigner != null)
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragEnter(e);
}
}
}
try
{
if (this.dropTargetDesigner != null)
{
if ((!this.wasCtrlKeyPressed && this.IsRecursiveDropOperation(this.dropTargetDesigner)) || ((this.dropTargetDesigner is CompositeActivityDesigner) && !((CompositeActivityDesigner)this.dropTargetDesigner).IsEditable))
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragLeave();
e.Effect = DragDropEffects.None;
}
else
{
List <Activity> draggedActivities = new List <Activity>();
string description = SR.GetString("DragDropActivities");
if (!this.wasCtrlKeyPressed && (this.existingDraggedActivities.Count > 0))
{
draggedActivities.AddRange(this.existingDraggedActivities);
if (draggedActivities.Count > 1)
{
description = SR.GetString("MoveMultipleActivities", new object[] { draggedActivities.Count });
}
else if (draggedActivities.Count == 1)
{
description = SR.GetString("MoveSingleActivity", new object[] { draggedActivities[0].GetType() });
}
}
else
{
draggedActivities.AddRange(CompositeActivityDesigner.DeserializeActivitiesFromDataObject(base.ParentView, eventArgs.Data, true));
if (draggedActivities.Count > 0)
{
description = SR.GetString("CreateActivityFromToolbox", new object[] { draggedActivities[0].GetType() });
}
}
IDesignerHost host = base.GetService(typeof(IDesignerHost)) as IDesignerHost;
DesignerTransaction transaction = null;
if (draggedActivities.Count > 0)
{
transaction = host.CreateTransaction(description);
}
e = new ActivityDragEventArgs(eventArgs, this.dragInitiationPoint, point, draggedActivities);
try
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragDrop(e);
if (e.Effect == DragDropEffects.Move)
{
this.existingDraggedActivities.Clear();
}
if (transaction != null)
{
transaction.Commit();
}
}
catch (Exception exception)
{
if (transaction != null)
{
transaction.Cancel();
}
throw exception;
}
if (draggedActivities.Count > 0)
{
Stream data = eventArgs.Data.GetData("CF_WINOEDESIGNERCOMPONENTSSTATE") as Stream;
if (data != null)
{
Helpers.DeserializeDesignersFromStream(draggedActivities, data);
}
ISelectionService service = (ISelectionService)base.GetService(typeof(ISelectionService));
if (service != null)
{
service.SetSelectedComponents(draggedActivities, SelectionTypes.Replace);
}
}
if (host != null)
{
host.Activate();
}
}
}
}
catch (Exception exception2)
{
((IWorkflowDesignerMessageSink)this.dropTargetDesigner).OnDragLeave();
e.Effect = DragDropEffects.None;
string message = exception2.Message;
if ((exception2.InnerException != null) && !string.IsNullOrEmpty(exception2.InnerException.Message))
{
message = exception2.InnerException.Message;
}
string str3 = DR.GetString("Error_FailedToDeserializeComponents", new object[0]) + "\r\n" + DR.GetString("Error_Reason", new object[] { message });
DesignerHelpers.ShowError(base.ParentView, str3);
if (exception2 != CheckoutException.Canceled)
{
throw new Exception(str3, exception2);
}
}
finally
{
this.wasCtrlKeyPressed = false;
this.draggedActivities.Clear();
this.dropTargetDesigner = null;
this.exceptionInDragDrop = false;
eventArgs.Effect = e.Effect;
}
return(true);
}
protected override void OnPrintPage(PrintPageEventArgs printPageArg)
{
base.OnPrintPage(printPageArg);
AmbientTheme ambientTheme = WorkflowTheme.CurrentTheme.AmbientTheme;
Graphics graphics = printPageArg.Graphics;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.SmoothingMode = SmoothingMode.HighQuality;
if (this.currentPrintablePage.IsEmpty)
{
this.PrepareToPrint(printPageArg);
}
Margins hardMargins = this.GetHardMargins(graphics);
Margins margins2 = new Margins(Math.Max(printPageArg.PageSettings.Margins.Left, hardMargins.Left), Math.Max(printPageArg.PageSettings.Margins.Right, hardMargins.Right), Math.Max(printPageArg.PageSettings.Margins.Top, hardMargins.Top), Math.Max(printPageArg.PageSettings.Margins.Bottom, hardMargins.Bottom));
Size size = new Size(printPageArg.PageBounds.Size.Width - (margins2.Left + margins2.Right), printPageArg.PageBounds.Size.Height - (margins2.Top + margins2.Bottom));
Rectangle rect = new Rectangle(margins2.Left, margins2.Top, size.Width, size.Height);
Region region = new Region(rect);
try
{
graphics.TranslateTransform((float)-hardMargins.Left, (float)-hardMargins.Top);
graphics.FillRectangle(ambientTheme.BackgroundBrush, rect);
graphics.DrawRectangle(ambientTheme.ForegroundPen, rect);
if (ambientTheme.WorkflowWatermarkImage != null)
{
ActivityDesignerPaint.DrawImage(graphics, ambientTheme.WorkflowWatermarkImage, rect, new Rectangle(Point.Empty, ambientTheme.WorkflowWatermarkImage.Size), ambientTheme.WatermarkAlignment, 0.25f, false);
}
Matrix transform = graphics.Transform;
Region clip = graphics.Clip;
graphics.Clip = region;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
Point point = new Point((this.currentPrintablePage.X * size.Width) - this.workflowAlignment.X, (this.currentPrintablePage.Y * size.Height) - this.workflowAlignment.Y);
graphics.TranslateTransform((float)(rect.Left - point.X), (float)(rect.Top - point.Y));
graphics.ScaleTransform(this.scaling, this.scaling);
Size empty = Size.Empty;
empty.Width = Convert.ToInt32(Math.Ceiling((double)(((float)size.Width) / this.scaling)));
empty.Height = Convert.ToInt32(Math.Ceiling((double)(((float)size.Height) / this.scaling)));
Point point2 = Point.Empty;
point2.X = Convert.ToInt32(Math.Ceiling((double)(((float)this.workflowAlignment.X) / this.scaling)));
point2.Y = Convert.ToInt32(Math.Ceiling((double)(((float)this.workflowAlignment.Y) / this.scaling)));
Rectangle viewPort = new Rectangle((this.currentPrintablePage.X * empty.Width) - point2.X, (this.currentPrintablePage.Y * empty.Height) - point2.Y, empty.Width, empty.Height);
using (PaintEventArgs args = new PaintEventArgs(graphics, this.workflowView.RootDesigner.Bounds))
{
((IWorkflowDesignerMessageSink)this.workflowView.RootDesigner).OnPaint(args, viewPort);
}
graphics.Clip = clip;
graphics.Transform = transform;
HeaderFooterData headerFooterPrintData = new HeaderFooterData {
Font = ambientTheme.Font,
PageBounds = printPageArg.PageBounds,
PageBoundsWithoutMargin = rect,
HeaderFooterMargins = new Margins(0, 0, this.pageSetupData.HeaderMargin, this.pageSetupData.FooterMargin),
PrintTime = this.printTime,
CurrentPage = (this.currentPrintablePage.X + (this.currentPrintablePage.Y * this.totalPrintablePages.X)) + 1,
TotalPages = this.totalPrintablePages.X * this.totalPrintablePages.Y,
Scaling = this.scaling
};
WorkflowDesignerLoader service = ((IServiceProvider)this.workflowView).GetService(typeof(WorkflowDesignerLoader)) as WorkflowDesignerLoader;
headerFooterPrintData.FileName = (service != null) ? service.FileName : string.Empty;
if (this.pageSetupData.HeaderTemplate.Length > 0)
{
this.PrintHeaderFooter(graphics, true, headerFooterPrintData);
}
if (this.pageSetupData.FooterTemplate.Length > 0)
{
this.PrintHeaderFooter(graphics, false, headerFooterPrintData);
}
printPageArg.HasMorePages = this.MoveNextPage();
}
catch (Exception exception)
{
DesignerHelpers.ShowError(this.workflowView, DR.GetString("SelectedPrinterIsInvalidErrorMessage", new object[0]) + "\n" + exception.Message);
printPageArg.Cancel = true;
printPageArg.HasMorePages = false;
}
finally
{
region.Dispose();
}
if (!printPageArg.HasMorePages)
{
this.workflowView.PerformLayout();
}
}
protected override void OnPrintPage(PrintPageEventArgs printPageArg)
{
base.OnPrintPage(printPageArg);
AmbientTheme ambientTheme = WorkflowTheme.CurrentTheme.AmbientTheme;
Graphics graphics = printPageArg.Graphics;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.SmoothingMode = SmoothingMode.HighQuality;
//STEP1: We get the printer graphics only in the OnPrintPage function hence for layouting we need to call this function
if (this.currentPrintablePage.IsEmpty)
{
PrepareToPrint(printPageArg);
}
//STEP2: GET ALL THE VALUES NEEDED FOR CALCULATION
Margins hardMargins = GetHardMargins(graphics);
Margins margins = new Margins(Math.Max(printPageArg.PageSettings.Margins.Left, hardMargins.Left),
Math.Max(printPageArg.PageSettings.Margins.Right, hardMargins.Right),
Math.Max(printPageArg.PageSettings.Margins.Top, hardMargins.Top),
Math.Max(printPageArg.PageSettings.Margins.Bottom, hardMargins.Bottom));
Size printableArea = new Size(printPageArg.PageBounds.Size.Width - (margins.Left + margins.Right), printPageArg.PageBounds.Size.Height - (margins.Top + margins.Bottom));
Rectangle boundingRectangle = new Rectangle(margins.Left, margins.Top, printableArea.Width, printableArea.Height);
Region clipRegion = new Region(boundingRectangle);
try
{
graphics.TranslateTransform(-hardMargins.Left, -hardMargins.Top);
graphics.FillRectangle(ambientTheme.BackgroundBrush, boundingRectangle);
graphics.DrawRectangle(ambientTheme.ForegroundPen, boundingRectangle);
//Draw the watermark image
if (ambientTheme.WorkflowWatermarkImage != null)
{
ActivityDesignerPaint.DrawImage(graphics, ambientTheme.WorkflowWatermarkImage, boundingRectangle, new Rectangle(Point.Empty, ambientTheme.WorkflowWatermarkImage.Size), ambientTheme.WatermarkAlignment, AmbientTheme.WatermarkTransparency, false);
}
Matrix oldTransform = graphics.Transform;
Region oldClipRegion = graphics.Clip;
graphics.Clip = clipRegion;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
//STEP3: PRINT
//Printer bitmap starts at the unprintable top left corner, hence, need to take it into account - move by the unprintable area:
//Setup the translation and scaling for the page printing
Point pageOffset = new Point(this.currentPrintablePage.X * printableArea.Width - this.workflowAlignment.X, this.currentPrintablePage.Y * printableArea.Height - this.workflowAlignment.Y);
graphics.TranslateTransform(boundingRectangle.Left - pageOffset.X, boundingRectangle.Top - pageOffset.Y);
graphics.ScaleTransform(this.scaling, this.scaling);
//Calculate the viewport by reverse scaling the printable area size
Size viewPortSize = Size.Empty;
viewPortSize.Width = Convert.ToInt32(Math.Ceiling((float)printableArea.Width / this.scaling));
viewPortSize.Height = Convert.ToInt32(Math.Ceiling((float)printableArea.Height / this.scaling));
Point scaledAlignment = Point.Empty;
scaledAlignment.X = Convert.ToInt32(Math.Ceiling((float)this.workflowAlignment.X / this.scaling));
scaledAlignment.Y = Convert.ToInt32(Math.Ceiling((float)this.workflowAlignment.Y / this.scaling));
Rectangle viewPort = new Rectangle(this.currentPrintablePage.X * viewPortSize.Width - scaledAlignment.X, this.currentPrintablePage.Y * viewPortSize.Height - scaledAlignment.Y, viewPortSize.Width, viewPortSize.Height);
using (PaintEventArgs paintEventArgs = new PaintEventArgs(graphics, this.workflowView.RootDesigner.Bounds))
{
((IWorkflowDesignerMessageSink)this.workflowView.RootDesigner).OnPaint(paintEventArgs, viewPort);
}
graphics.Clip = oldClipRegion;
graphics.Transform = oldTransform;
//Now prepare the graphics for header footer printing
HeaderFooterData headerFooterData = new HeaderFooterData();
headerFooterData.Font = ambientTheme.Font;
headerFooterData.PageBounds = printPageArg.PageBounds;
headerFooterData.PageBoundsWithoutMargin = boundingRectangle;
headerFooterData.HeaderFooterMargins = new Margins(0, 0, this.pageSetupData.HeaderMargin, this.pageSetupData.FooterMargin);
headerFooterData.PrintTime = this.printTime;
headerFooterData.CurrentPage = this.currentPrintablePage.X + this.currentPrintablePage.Y * this.totalPrintablePages.X + 1;
headerFooterData.TotalPages = this.totalPrintablePages.X * this.totalPrintablePages.Y;
headerFooterData.Scaling = this.scaling;
WorkflowDesignerLoader serviceDesignerLoader = ((IServiceProvider)this.workflowView).GetService(typeof(WorkflowDesignerLoader)) as WorkflowDesignerLoader;
headerFooterData.FileName = (serviceDesignerLoader != null) ? serviceDesignerLoader.FileName : String.Empty;
//Print the header
if (this.pageSetupData.HeaderTemplate.Length > 0)
{
PrintHeaderFooter(graphics, true, headerFooterData);
}
//footer
if (this.pageSetupData.FooterTemplate.Length > 0)
{
PrintHeaderFooter(graphics, false, headerFooterData);
}
//are there more pages left?
printPageArg.HasMorePages = MoveNextPage();
}
catch (Exception exception)
{
DesignerHelpers.ShowError(this.workflowView, DR.GetString(DR.SelectedPrinterIsInvalidErrorMessage) + "\n" + exception.Message);
printPageArg.Cancel = true;
printPageArg.HasMorePages = false;
}
finally
{
clipRegion.Dispose();
}
if (!printPageArg.HasMorePages)
{
this.workflowView.PerformLayout(); //no more pages - redo regular layout using screen graphics
}
}
