// Settings paths taken from the example at:
// http://msdn2.microsoft.com/en-us/library/system.componentmodel.design.idesigneroptionservice.aspx
//
public override void Initialize(IComponent component)
{
base.Initialize(component);
this.Control.AllowDrop = true;
// Initialize the default values of the Design-Time properties.
//
_defaultDrawGrid = true;
_defaultSnapToGrid = true;
_defaultGridSize = new Size(8, 8);
// If the parent Control of the designed one has a ParentDesigner then inherit the values
// from it's designer.
//
if (this.Control.Parent != null)
{
ParentControlDesigner parentDesigner = GetParentControlDesignerOf(Control.Parent);
if (parentDesigner != null)
{
_defaultDrawGrid = (bool)GetValue(parentDesigner.Component, "DrawGrid");
_defaultSnapToGrid = (bool)GetValue(parentDesigner.Component, "SnapToGrid");
_defaultGridSize = (Size)GetValue(parentDesigner.Component, "GridSize");
}
}
else
{
// Else retrieve them through the IDesignerOptionService (if available)
//
IDesignerOptionService options = GetService(typeof(IDesignerOptionService)) as
IDesignerOptionService;
if (options != null)
{
object value = null;
value = options.GetOptionValue(@"WindowsFormsDesigner\General", "DrawGrid");
if (value is bool)
{
_defaultDrawGrid = (bool)value;
}
value = options.GetOptionValue(@"WindowsFormsDesigner\General", "SnapToGrid");
if (value is bool)
{
_defaultSnapToGrid = (bool)value;
}
value = options.GetOptionValue(@"WindowsFormsDesigner\General", "GridSize");
if (value is Size)
{
_defaultGridSize = (Size)value;
}
}
}
// At the end set whatever we've managed to get
//
_drawGrid = _defaultDrawGrid;
_snapToGrid = _defaultSnapToGrid;
_gridSize = _defaultGridSize;
}
public void GetOptionValue_NotNested_ReturnsExpected()
{
var value = new TestClass {
Value = "StringValue"
};
var service = new TestDesignerOptionService();
IDesignerOptionService iService = service;
service.DoCreateOptionCollection(service.Options, "Name", value);
Assert.Equal("StringValue", iService.GetOptionValue("Name", "Value"));
}
public void SetOptionValue_NoSuchValue_Nop(string pageName, string valueName)
{
var value = new TestClass {
Value = "StringValue"
};
var service = new TestDesignerOptionService();
IDesignerOptionService iService = service;
DesignerOptionService.DesignerOptionCollection options = service.DoCreateOptionCollection(service.Options, "Name", null);
service.DoCreateOptionCollection(options, "SubName", value);
iService.SetOptionValue(pageName, valueName, "value");
}
// This utility method connects the designer to various
// services it will use.
private void InitializeServices()
{
// Acquire a reference to DesignerActionService.
this.actionService = GetService(typeof(DesignerActionService)) as DesignerActionService;
// Acquire a reference to DesignerActionUIService.
this.actionUiService = GetService(typeof(DesignerActionUIService)) as DesignerActionUIService;
// Acquire a reference to IComponentChangeService.
this.changeService = GetService(typeof(IComponentChangeService)) as IComponentChangeService;
// Acquire a reference to IDesignerHost.
this.host = GetService(typeof(IDesignerHost)) as IDesignerHost;
// Acquire a reference to IDesignerOptionService.
this.optionService =
GetService(typeof(IDesignerOptionService)) as IDesignerOptionService;
// Acquire a reference to IEventBindingService.
this.eventBindingService =
GetService(typeof(IEventBindingService)) as IEventBindingService;
// Acquire a reference to IExtenderListService.
this.listService =
GetService(typeof(IExtenderListService)) as IExtenderListService;
// Acquire a reference to IReferenceService.
this.referenceService =
GetService(typeof(IReferenceService)) as IReferenceService;
// Acquire a reference to ITypeResolutionService.
this.typeResService = GetService(typeof(ITypeResolutionService))
as ITypeResolutionService;
// Acquire a reference to IComponentDiscoveryService.
this.componentDiscoveryService = GetService(typeof(IComponentDiscoveryService))
as IComponentDiscoveryService;
// Acquire a reference to IToolboxService.
this.toolboxService = GetService(typeof(IToolboxService)) as IToolboxService;
// Acquire a reference to UndoEngine.
this.undoEng = GetService(typeof(UndoEngine)) as UndoEngine;
if (this.undoEng != null)
{
//MessageBox.Show("UndoEngine");
}
}
public void SetOptionValue_Nested_ReturnsExpected()
{
var value = new TestClass {
Value = "StringValue"
};
var service = new TestDesignerOptionService();
IDesignerOptionService iService = service;
DesignerOptionService.DesignerOptionCollection options = service.DoCreateOptionCollection(service.Options, "Name", null);
service.DoCreateOptionCollection(options, "SubName", value);
iService.SetOptionValue("Name\\SubName", "Value", "abc");
Assert.Equal("abc", value.Value);
}
public static object GetOptionValue(IServiceProvider provider, string name)
{
object optionValue = null;
if (provider != null)
{
DesignerOptionService service = provider.GetService(typeof(DesignerOptionService)) as DesignerOptionService;
if (service != null)
{
PropertyDescriptor descriptor = service.Options.Properties[name];
if (descriptor != null)
{
optionValue = descriptor.GetValue(null);
}
return(optionValue);
}
IDesignerOptionService service2 = provider.GetService(typeof(IDesignerOptionService)) as IDesignerOptionService;
if (service2 != null)
{
optionValue = service2.GetOptionValue(@"WindowsFormsDesigner\General", name);
}
}
return(optionValue);
}
// </snippet6>
// <snippet7>
// This utility method connects the designer to various
// services it will use.
private void InitializeServices()
{
// Acquire a reference to DesignerActionService.
this.actionService =
GetService(typeof(DesignerActionService))
as DesignerActionService;
// Acquire a reference to DesignerActionUIService.
this.actionUiService =
GetService(typeof(DesignerActionUIService))
as DesignerActionUIService;
// Acquire a reference to IComponentChangeService.
this.changeService =
GetService(typeof(IComponentChangeService))
as IComponentChangeService;
// <snippet14>
// Hook the IComponentChangeService events.
if (this.changeService != null)
{
this.changeService.ComponentChanged +=
new ComponentChangedEventHandler(
ChangeService_ComponentChanged);
this.changeService.ComponentAdded +=
new ComponentEventHandler(
ChangeService_ComponentAdded);
this.changeService.ComponentRemoved +=
new ComponentEventHandler(
changeService_ComponentRemoved);
}
// </snippet14>
// Acquire a reference to ISelectionService.
this.selectionService =
GetService(typeof(ISelectionService))
as ISelectionService;
// Hook the SelectionChanged event.
if (this.selectionService != null)
{
this.selectionService.SelectionChanged +=
new EventHandler(selectionService_SelectionChanged);
}
// Acquire a reference to IDesignerEventService.
this.eventService =
GetService(typeof(IDesignerEventService))
as IDesignerEventService;
if (this.eventService != null)
{
this.eventService.ActiveDesignerChanged +=
new ActiveDesignerEventHandler(
eventService_ActiveDesignerChanged);
}
// Acquire a reference to IDesignerHost.
this.host =
GetService(typeof(IDesignerHost))
as IDesignerHost;
// Acquire a reference to IDesignerOptionService.
this.optionService =
GetService(typeof(IDesignerOptionService))
as IDesignerOptionService;
// Acquire a reference to IEventBindingService.
this.eventBindingService =
GetService(typeof(IEventBindingService))
as IEventBindingService;
// Acquire a reference to IExtenderListService.
this.listService =
GetService(typeof(IExtenderListService))
as IExtenderListService;
// Acquire a reference to IReferenceService.
this.referenceService =
GetService(typeof(IReferenceService))
as IReferenceService;
// Acquire a reference to ITypeResolutionService.
this.typeResService =
GetService(typeof(ITypeResolutionService))
as ITypeResolutionService;
// Acquire a reference to IComponentDiscoveryService.
this.componentDiscoveryService =
GetService(typeof(IComponentDiscoveryService))
as IComponentDiscoveryService;
// Acquire a reference to IToolboxService.
this.toolboxService =
GetService(typeof(IToolboxService))
as IToolboxService;
// Acquire a reference to UndoEngine.
this.undoEng =
GetService(typeof(UndoEngine))
as UndoEngine;
if (this.undoEng != null)
{
MessageBox.Show("UndoEngine");
}
}
public override void Update(Graphics graphics, LayoutUpdateReason reason)
{
//do not recalculate pages when it's just a zoom change
if (reason == LayoutUpdateReason.ZoomChanged)
{
return;
}
if (graphics == null)
{
throw new ArgumentException("graphics");
}
//Set the scaling, pageSize, margins, pageseparator by reserse scaling; so that when we actually scale
//at the time of drawing things will be correctly calculated
Size margin = WorkflowTheme.CurrentTheme.AmbientTheme.Margin;
Size paperSize = GetPaperSize(graphics);
Margins margins = GetAdjustedMargins(graphics);
Size rootDesignerSize = (this.parentView.RootDesigner != null) ? this.parentView.RootDesigner.Size : Size.Empty;
if (!rootDesignerSize.IsEmpty)
{
Size selectionSize = WorkflowTheme.CurrentTheme.AmbientTheme.SelectionSize;
rootDesignerSize.Width += 3 * selectionSize.Width;
rootDesignerSize.Height += 3 * selectionSize.Height;
}
//STEP1 : Calculate the scaling factor
if (this.printDocument.PageSetupData.AdjustToScaleFactor)
{
this.scaling = ((float)this.printDocument.PageSetupData.ScaleFactor / 100.0f);
}
else
{
Size printableArea = new Size(paperSize.Width - (margins.Left + margins.Right), paperSize.Height - (margins.Top + margins.Bottom));
printableArea.Width = Math.Max(printableArea.Width, 1);
printableArea.Height = Math.Max(printableArea.Height, 1);
PointF scaleFactor = new PointF(
((float)this.printDocument.PageSetupData.PagesWide * (float)printableArea.Width / (float)rootDesignerSize.Width),
((float)this.printDocument.PageSetupData.PagesTall * (float)printableArea.Height / (float)rootDesignerSize.Height));
//Take the minimum scaling as we do not want to unevenly scale the bitmap
this.scaling = Math.Min(scaleFactor.X, scaleFactor.Y);
//leave just 3 digital points (also, that will remove potential problems with ceiling e.g. when the number of pages would be 3.00000000001 we'll get 4)
this.scaling = (float)(Math.Floor((double)this.scaling * 1000.0d) / 1000.0d);
}
//STEP2 : Calculate the pagesize
this.pageSize = paperSize;
this.pageSize.Width = Convert.ToInt32(Math.Ceiling(((float)this.pageSize.Width) / this.scaling));
this.pageSize.Height = Convert.ToInt32(Math.Ceiling(((float)this.pageSize.Height) / this.scaling));
//STEP3 : Calculate the page separator
IDesignerOptionService designerOptionService = this.serviceProvider.GetService(typeof(IDesignerOptionService)) as IDesignerOptionService;
if (designerOptionService != null)
{
object separator = designerOptionService.GetOptionValue("WinOEDesigner", "PageSeparator");
PageSeparator = (separator != null) ? (Size)separator : PrintPreviewLayout.DefaultPageSeparator;
}
PageSeparator = new Size(Convert.ToInt32(Math.Ceiling(((float)PageSeparator.Width) / this.scaling)), Convert.ToInt32(Math.Ceiling(((float)PageSeparator.Height) / this.scaling)));
//STEP4: Calculate the margins after reverse scaling the margins, so that when we set the normal scalezoom we have correct margins
PageMargins = margins;
PageMargins.Left = Convert.ToInt32((float)PageMargins.Left / this.scaling);
PageMargins.Right = Convert.ToInt32((float)PageMargins.Right / this.scaling);
PageMargins.Top = Convert.ToInt32((float)PageMargins.Top / this.scaling);
PageMargins.Bottom = Convert.ToInt32((float)PageMargins.Bottom / this.scaling);
//STEP5: Calculate the header and footer margins
this.headerFooterMargins.Top = Convert.ToInt32((float)this.printDocument.PageSetupData.HeaderMargin / this.scaling);
this.headerFooterMargins.Bottom = Convert.ToInt32((float)this.printDocument.PageSetupData.FooterMargin / this.scaling);
this.previewTime = DateTime.Now;
//STEP6: Calculate the the row columns
Size viewablePageSize = new Size(this.pageSize.Width - (PageMargins.Left + PageMargins.Right), this.pageSize.Height - (PageMargins.Top + PageMargins.Bottom));
viewablePageSize.Width = Math.Max(viewablePageSize.Width, 1);
viewablePageSize.Height = Math.Max(viewablePageSize.Height, 1);
//We check for greater than 1 here as the division might introduce rounding factor
//Columns
this.rowColumns.Width = rootDesignerSize.Width / viewablePageSize.Width;
this.rowColumns.Width += ((rootDesignerSize.Width % viewablePageSize.Width) > 1) ? 1 : 0;
this.rowColumns.Width = Math.Max(1, this.rowColumns.Width);
//Rows
this.rowColumns.Height = rootDesignerSize.Height / viewablePageSize.Height;
this.rowColumns.Height += ((rootDesignerSize.Height % viewablePageSize.Height) > 1) ? 1 : 0;
this.rowColumns.Height = Math.Max(1, this.rowColumns.Height);
//STEP7: Calculate the pagelayoutdata
this.pageLayoutInfo.Clear();
//Create the layout data
for (int row = 0; row < this.rowColumns.Height; row++)
{
for (int column = 0; column < this.rowColumns.Width; column++)
{
Point pageLocation = Point.Empty;
pageLocation.X = (column * this.pageSize.Width) + ((column + 1) * PageSeparator.Width);
pageLocation.Y = (row * this.pageSize.Height) + ((row + 1) * PageSeparator.Height);
Point viewablePageLocation = Point.Empty;
viewablePageLocation.X = pageLocation.X + PageMargins.Left;
viewablePageLocation.Y = pageLocation.Y + PageMargins.Top;
Rectangle logicalBounds = new Rectangle(column * viewablePageSize.Width, row * viewablePageSize.Height, viewablePageSize.Width, viewablePageSize.Height);
Rectangle pageBounds = new Rectangle(pageLocation, this.pageSize);
Rectangle viewablePageBounds = new Rectangle(viewablePageLocation, viewablePageSize);
this.pageLayoutInfo.Add(new PageLayoutData(logicalBounds, pageBounds, viewablePageBounds, new Point(column, row)));
}
}
}
public override void Update(Graphics graphics, WorkflowLayout.LayoutUpdateReason reason)
{
if (reason != WorkflowLayout.LayoutUpdateReason.ZoomChanged)
{
Size size5;
if (graphics == null)
{
throw new ArgumentException("graphics");
}
Size margin = WorkflowTheme.CurrentTheme.AmbientTheme.Margin;
Size paperSize = this.GetPaperSize(graphics);
Margins adjustedMargins = this.GetAdjustedMargins(graphics);
Size size2 = (base.parentView.RootDesigner != null) ? base.parentView.RootDesigner.Size : Size.Empty;
if (!size2.IsEmpty)
{
Size selectionSize = WorkflowTheme.CurrentTheme.AmbientTheme.SelectionSize;
size2.Width += 3 * selectionSize.Width;
size2.Height += 3 * selectionSize.Height;
}
if (this.printDocument.PageSetupData.AdjustToScaleFactor)
{
this.scaling = ((float)this.printDocument.PageSetupData.ScaleFactor) / 100f;
}
else
{
Size size4;
size4 = new Size(paperSize.Width - (adjustedMargins.Left + adjustedMargins.Right), paperSize.Height - (adjustedMargins.Top + adjustedMargins.Bottom))
{
Width = Math.Max(size4.Width, 1),
Height = Math.Max(size4.Height, 1)
};
PointF tf = new PointF((this.printDocument.PageSetupData.PagesWide * size4.Width) / ((float)size2.Width), (this.printDocument.PageSetupData.PagesTall * size4.Height) / ((float)size2.Height));
this.scaling = Math.Min(tf.X, tf.Y);
this.scaling = (float)(Math.Floor((double)(this.scaling * 1000.0)) / 1000.0);
}
this.pageSize = paperSize;
this.pageSize.Width = Convert.ToInt32(Math.Ceiling((double)(((float)this.pageSize.Width) / this.scaling)));
this.pageSize.Height = Convert.ToInt32(Math.Ceiling((double)(((float)this.pageSize.Height) / this.scaling)));
IDesignerOptionService service = base.serviceProvider.GetService(typeof(IDesignerOptionService)) as IDesignerOptionService;
if (service != null)
{
object optionValue = service.GetOptionValue("WinOEDesigner", "PageSeparator");
this.PageSeparator = (optionValue != null) ? ((Size)optionValue) : DefaultPageSeparator;
}
this.PageSeparator = new Size(Convert.ToInt32(Math.Ceiling((double)(((float)this.PageSeparator.Width) / this.scaling))), Convert.ToInt32(Math.Ceiling((double)(((float)this.PageSeparator.Height) / this.scaling))));
this.PageMargins = adjustedMargins;
this.PageMargins.Left = Convert.ToInt32((float)(((float)this.PageMargins.Left) / this.scaling));
this.PageMargins.Right = Convert.ToInt32((float)(((float)this.PageMargins.Right) / this.scaling));
this.PageMargins.Top = Convert.ToInt32((float)(((float)this.PageMargins.Top) / this.scaling));
this.PageMargins.Bottom = Convert.ToInt32((float)(((float)this.PageMargins.Bottom) / this.scaling));
this.headerFooterMargins.Top = Convert.ToInt32((float)(((float)this.printDocument.PageSetupData.HeaderMargin) / this.scaling));
this.headerFooterMargins.Bottom = Convert.ToInt32((float)(((float)this.printDocument.PageSetupData.FooterMargin) / this.scaling));
this.previewTime = DateTime.Now;
size5 = new Size(this.pageSize.Width - (this.PageMargins.Left + this.PageMargins.Right), this.pageSize.Height - (this.PageMargins.Top + this.PageMargins.Bottom))
{
Width = Math.Max(size5.Width, 1),
Height = Math.Max(size5.Height, 1)
};
this.rowColumns.Width = size2.Width / size5.Width;
this.rowColumns.Width += ((size2.Width % size5.Width) > 1) ? 1 : 0;
this.rowColumns.Width = Math.Max(1, this.rowColumns.Width);
this.rowColumns.Height = size2.Height / size5.Height;
this.rowColumns.Height += ((size2.Height % size5.Height) > 1) ? 1 : 0;
this.rowColumns.Height = Math.Max(1, this.rowColumns.Height);
this.pageLayoutInfo.Clear();
for (int i = 0; i < this.rowColumns.Height; i++)
{
for (int j = 0; j < this.rowColumns.Width; j++)
{
Point empty = Point.Empty;
empty.X = (j * this.pageSize.Width) + ((j + 1) * this.PageSeparator.Width);
empty.Y = (i * this.pageSize.Height) + ((i + 1) * this.PageSeparator.Height);
Point location = Point.Empty;
location.X = empty.X + this.PageMargins.Left;
location.Y = empty.Y + this.PageMargins.Top;
Rectangle logicalPageBounds = new Rectangle(j * size5.Width, i * size5.Height, size5.Width, size5.Height);
Rectangle pageBounds = new Rectangle(empty, this.pageSize);
Rectangle viewablePageBounds = new Rectangle(location, size5);
this.pageLayoutInfo.Add(new PageLayoutData(logicalPageBounds, pageBounds, viewablePageBounds, new Point(j, i)));
}
}
}
}
