/// <summary>
/// Sets the composition information.
/// </summary>
/// <param name="drawer">The drawer.</param>
private void setCompositionInfo(InstanceDrawer drawer)
{
var compositionResult = CompositionResult.Get();
CompositionContext context = null;
var error = Error.Value == null ? "" : Error.Value;
if (compositionResult != null)
{
if (compositionResult.Error != null)
{
error = compositionResult.Error + Environment.NewLine + error;
}
context = compositionResult.Context;
}
if (error != "")
{
drawer.SetProperty("Error", error);
}
if (context != null)
{
foreach (var component in context.InputInstances)
{
var drawing = drawer.GetInstanceDrawing(component);
drawing.SetProperty("Composed", "True");
}
foreach (var point in compositionResult.Points)
{
var joinPoint = getConnector(point, drawer);
}
foreach (var join in compositionResult.Joins)
{
if (compositionResult.Failed && !join.IsErrorJoin)
{
//on error we want to display only error joins
continue;
}
var fromPoint = getConnector(join.Export, drawer);
var toPoint = getConnector(join.Import, drawer);
var joinDefinition = drawer.DrawJoin(fromPoint, toPoint);
//TODO set properties of joinDefinition
}
}
}
/// <summary>
/// Export data from represented <see cref="Instance" /> by using given drawer.
/// <remarks>Note that only instances which are forced to display are displayed in root of <see cref="MEFEditor.Drawing.DiagramCanvas" /></remarks>.
/// </summary>
/// <param name="drawer">The drawer.</param>
protected override void draw(InstanceDrawer drawer)
{
var isComposed = Composed.Get();
drawer.PublishField("AssemblyPath", AssemblyPath);
drawer.PublishField("Composed", Composed);
var slot = drawer.AddSlot();
var context = CompositionContext.Get();
if (context != null)
{
foreach (var component in CompositionContext.Get().InputInstances)
{
var drawing = drawer.GetInstanceDrawing(component);
drawing.SetProperty("Composed", isComposed.ToString());
slot.Add(drawing.Reference);
}
var compositionResult = CompositionResult.Get();
foreach (var point in compositionResult.Points)
{
var joinPoint = getConnector(point, drawer);
}
foreach (var join in compositionResult.Joins)
{
var fromPoint = getConnector(join.Export, drawer);
var toPoint = getConnector(join.Import, drawer);
var joinDefinition = drawer.DrawJoin(fromPoint, toPoint);
//TODO set properties of joinDefinition
}
}
drawer.ForceShow();
}
