private void AddDiagramToFile(Diagram diagram)
{
Graphics graphics = Graphics.FromImage(mMetafile);
//Set the renderlists to the whole diagram
Rectangle renderRect = new Rectangle(new Point(0,0),diagram.DiagramSize);
diagram.GetRenderList(renderRect);
//Set the render rectangle
diagram.Render.RenderRectangle = renderRect;
diagram.Render.RenderDiagramElements(graphics);
graphics.Dispose();
}
//Determine if an element can dock
public virtual bool CanDock(Diagram.MouseElements mouseElements)
{
//Check is shape or port
if (InteractiveMode == InteractiveMode.Normal)
{
if (mouseElements.MouseMoveElement is Shape || mouseElements.MouseMoveElement is Port)
{
//return false if permission not available to dock
if (mouseElements.MouseStartOrigin != null)
{
Origin origin = mouseElements.MouseStartOrigin;
Line line = (Line) mouseElements.MouseStartElement;
if (mouseElements.MouseMoveElement is Shape)
{
Shape shape = (Shape) mouseElements.MouseMoveElement;
if (shape.Direction == Direction.None) return false;
if (origin == line.Start && shape.Direction== Direction.In) return false;
if (origin == line.End && shape.Direction == Direction.Out) return false;
}
if (mouseElements.MouseMoveElement is Port)
{
Port port = (Port) mouseElements.MouseMoveElement;
if (port.Direction == Direction.None) return false;
if (origin == line.Start && port.Direction == Direction.In) return false;
if (origin == line.End && port.Direction == Direction.Out) return false;
}
}
//Check that start and target elements have the same container
if (mouseElements.MouseStartElement.Container == mouseElements.MouseMoveElement.Container)
{
return true;
}
//Check for case where line in group is docked to group port
if (mouseElements.MouseStartElement.Container is Group && mouseElements.MouseMoveElement is Port)
{
Port port = (Port) mouseElements.MouseMoveElement;
if (port.Parent == mouseElements.MouseStartElement.Container) return true;
}
}
}
//Can dock for interactive elements
else
{
if (mouseElements.InteractiveElement is Line)
{
Line line = (Line) mouseElements.InteractiveElement;
//Determine if applies to start or end origin
if (mouseElements.InteractiveOrigin == line.Start)
{
if (mouseElements.MouseMoveElement is Shape)
{
Shape shape = (Shape) mouseElements.MouseMoveElement;
if (shape.Direction == Direction.None) return false;
if (shape.Direction== Direction.In) return false;
}
if (mouseElements.MouseMoveElement is Port)
{
Port port = (Port) mouseElements.MouseMoveElement;
if (port.Direction == Direction.None) return false;
if (port.Direction == Direction.In) return false;
}
}
else
{
if (mouseElements.MouseMoveElement is Shape)
{
Shape shape = (Shape) mouseElements.MouseMoveElement;
if (shape.Direction == Direction.None) return false;
if (shape.Direction == Direction.Out) return false;
}
if (mouseElements.MouseMoveElement is Port)
{
Port port = (Port) mouseElements.MouseMoveElement;
if (port.Direction == Direction.None) return false;
if (port.Direction == Direction.Out) return false;
}
}
return true;
//Check that start and target elements have the same container
if (line.Container == mouseElements.MouseMoveElement.Container)
{
return true;
}
//Check for case where line in group is docked to group port
if (line.Container is Group && mouseElements.MouseMoveElement is Port)
{
Port port = (Port) mouseElements.MouseMoveElement;
if (port.Parent == line.Container) return true;
}
}
}
return false;
}
//Methods
public virtual void AddDiagram(Diagram diagram)
{
AddDiagramToFile(diagram);
}
protected virtual void SetMouseElements(Diagram.MouseElements elements)
{
mMouseElements = elements;
}
public Diagram(Diagram prototype)
{
InitializeComponent();
SetStyle(System.Windows.Forms.ControlStyles.UserPaint, true);
SetStyle(System.Windows.Forms.ControlStyles.AllPaintingInWmPaint, true);
SetStatus(Status.Default);
//Create a new renderer
SetRender(new Render()); //Sets up current layers reference etc
ClearDiagram();
Margin = new Margin();
SuspendEvents = true;
mDiagramSize = prototype.DiagramSize;
mShowToolTips = prototype.ShowTooltips;
mCheckBounds = prototype.CheckBounds;
mMargin = prototype.Margin;
Paged = prototype.Paged;
WorkspaceColor = prototype.WorkspaceColor;
SuspendEvents = false;
}
//Constructor
public Animator(Diagram diagram)
{
if (diagram == null) throw new ArgumentNullException("Diagram may not be a null reference.");
SetDiagram(diagram);
mFrameRate = 12;
}
protected internal void SetDiagram(Diagram diagram)
{
mDiagram = diagram;
}