public static StartSymbol CreateStartSymbol(EditingContext context)
{
StartSymbol start = new StartSymbol();
FakeRoot fakeRoot = new FakeRoot { StartNode = new StartNode() };
ModelTreeManager manager = context.Services.GetService<ModelTreeManager>();
start.ModelItem = new FakeModelItemImpl(manager, typeof(FakeRoot), fakeRoot, null).Properties["StartNode"].Value;
start.Name = "StartSymbol";
start.Focusable = true;
start.Context = context;
start.DataContext = start;
return start;
}
public static StartSymbol CreateStartSymbol(EditingContext context)
{
StartSymbol start = new StartSymbol();
FakeRoot fakeRoot = new FakeRoot {
StartNode = new StartNode()
};
ModelTreeManager manager = context.Services.GetService <ModelTreeManager>();
start.ModelItem = new FakeModelItemImpl(manager, typeof(FakeRoot), fakeRoot, null).Properties["StartNode"].Value;
start.Name = "StartSymbol";
start.Focusable = true;
start.Context = context;
start.DataContext = start;
return(start);
}
void CreateStartSymbol()
{
//Instantiate the start symbol
StartSymbol start = System.Activities.Core.Presentation.StartSymbol.CreateStartSymbol(this.Context);
start.Text = "Start";
this.flowStart = start.ModelItem;
DragDropHelper.SetCompositeView(start, this);
modelElement.Add(flowStart, start);
start.SizeChanged += new SizeChangedEventHandler(ChildSizeChanged);
this.StartSymbol = start;
PopulateConnectionPoints(this.StartSymbol, null);
this.StartSymbol.MouseEnter += new MouseEventHandler(ChildElement_MouseEnter);
this.StartSymbol.MouseLeave += new MouseEventHandler(ChildElement_MouseLeave);
//Getting the View state information.
object locationOfShape = this.ViewStateService.RetrieveViewState(this.ModelItem, shapeLocation);
object sizeOfShape = this.ViewStateService.RetrieveViewState(this.ModelItem, shapeSize);
if (locationOfShape != null)
{
Point locationPt = (Point)locationOfShape;
FreeFormPanel.SetLocation(this.StartSymbol, locationPt);
}
else
{
//Set the location of the start symbol.
this.StartSymbol.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
double startHeight = this.StartSymbol.DesiredSize.Height;
double startWidth = this.StartSymbol.DesiredSize.Width;
Point startPoint = new Point(panel.MinWidth / 2, startSymbolTopMargin + startHeight / 2);
Point startLocation = SnapVisualToGrid(this.StartSymbol, startPoint, new Point(-1, -1), false);
FreeFormPanel.SetLocation(this.StartSymbol, startLocation);
this.internalViewStateChange = true;
this.StoreShapeViewState(this.ModelItem, startLocation);
this.internalViewStateChange = false;
}
if (sizeOfShape != null)
{
FreeFormPanel.SetChildSize(this.StartSymbol, (Size)sizeOfShape);
}
}
