/// <summary>
/// Initializes a view representation of a model element
/// </summary>
/// <param name="modelElement">Element to be represented</param>
/// <param name="viewHelper">Element's viewHelper</param>
/// <param name="controller">Element's controller</param>
public override void InitializeRepresentant(Element modelElement, ViewHelper viewHelper, ElementController controller)
{
PIM_Association associationRepresentant = new PIM_Association(XCaseCanvas);
associationRepresentant.InitializeRepresentant(modelElement, ((AssociationClassViewHelper)viewHelper).AssociationViewHelper,
new AssociationController((Association)modelElement, controller.DiagramController));
Association = associationRepresentant;
Association.AssociationClass = this;
Association.AssociationName = null;
Association.ViewHelper.MainLabelViewHelper.LabelVisible = false;
AssociationClassViewHelper _viewHelper = (AssociationClassViewHelper)viewHelper;
if (double.IsNaN(_viewHelper.X) || double.IsNaN(_viewHelper.Y))
{
Rect r = RectExtensions.GetEncompassingRectangle(associationRepresentant.participantElements.Values);
if (associationRepresentant.participantElements.Count > 2)
{
_viewHelper.X = r.GetCenter().X + 30;
_viewHelper.Y = r.GetCenter().Y;
}
else
{
_viewHelper.X = r.GetCenter().X;
_viewHelper.Y = r.GetCenter().Y + 20;
}
}
base.InitializeRepresentant(modelElement, viewHelper, controller);
if (associationRepresentant.ViewHelper.UseDiamond)
{
if (((AssociationClassViewHelper)ViewHelper).Points.Count == 0)
{
((AssociationClassViewHelper)ViewHelper).Points.AppendRange(
JunctionGeometryHelper.ComputeOptimalConnection(this, associationRepresentant.Diamond));
((AssociationClassViewHelper)ViewHelper).Points.PointsInvalid = true;
}
junction = new XCaseJunction(XCaseCanvas, ((AssociationClassViewHelper)ViewHelper).Points)
{
Pen = MediaLibrary.DashedBlackPen
};
XCaseCanvas.Children.Add(junction);
junction.NewConnection(this, null, Association.Diamond, null,
((AssociationClassViewHelper)ViewHelper).Points);
junction.SelectionOwner = this;
}
else
{
primitiveJunction = new XCasePrimitiveJunction(XCaseCanvas, this, Association)
{
Pen = MediaLibrary.DashedBlackPen
};
}
this.StartBindings();
}
/// <summary>
/// Initializes a view representation of a model element
/// </summary>
/// <param name="modelElement">Element to be represented</param>
/// <param name="viewHelper">Element's viewHelper</param>
/// <param name="controller">Element's controller</param>
public void InitializeRepresentant(Element modelElement, ViewHelper viewHelper, ElementController controller)
{
XCaseCanvas.Children.Add(this);
Controller = (CommentController)controller;
ViewHelper = (CommentViewHelper)viewHelper;
/* CommentText must be assigned now :( because it defines comment dimension
* which have to be known before initializing the junction */
this.CommentText = ((Comment)modelElement).Body;
if (ModelComment.AnnotatedElement != null && !(ModelComment.AnnotatedElement is Package))
{
X = ViewHelper.X;
Y = ViewHelper.Y;
UpdateLayout();
if (XCaseCanvas.ElementRepresentations[ModelComment.AnnotatedElement] is DragThumb)
{
SnapTo((DragThumb)XCaseCanvas.ElementRepresentations[ModelComment.AnnotatedElement], false);
}
object target = XCaseCanvas.ElementRepresentations[ModelComment.AnnotatedElement];
if (target is PIM_Association && ((PIM_Association)target).ViewHelper.UseDiamond)
{
target = ((PIM_Association)target).Diamond;
}
if (target is IConnectable)
{
if (ViewHelper.LinePoints.Count == 0)
{
ViewHelper.LinePoints.AppendRange(JunctionGeometryHelper.ComputeOptimalConnection(this, (IConnectable)target));
}
junction = new XCaseJunction(XCaseCanvas, ViewHelper.LinePoints)
{
Pen = MediaLibrary.DashedBlackPen
};
XCaseCanvas.Children.Add(junction);
junction.NewConnection(this, null, (IConnectable)target, null, ViewHelper.LinePoints);
}
else if (target is IPrimitiveJunctionTarget)
{
primitiveJunction = new XCasePrimitiveJunction(XCaseCanvas, this, (IPrimitiveJunctionTarget)target);
}
else
{
throw new ArgumentException("Commentary can be connected only to IConnectable or IPrimitiveJunctionTarget");
}
}
this.StartBindings();
}
/// <summary>
/// Invoked when an unhandled <see cref="System.Windows.Input.Mouse.PreviewMouseDownEvent"/>�attached event reaches
/// an element in its route that is derived from this class.
/// The event drops dragging and this method stops highlighting the association to which the association end belongs.
/// </summary>
/// <param name="e">The <see cref="T:System.Windows.Input.MouseButtonEventArgs"/> that contains the event data. The event data reports that one or more mouse buttons were pressed.</param>
protected override void OnPreviewMouseDown(System.Windows.Input.MouseButtonEventArgs e)
{
IPrimitiveJunctionTarget targetJunction = null;
if (Association != null)
{
Association.Highlight();
}
if (PSM_Association != null)
{
PSM_Association.Junction.Highlight();
}
if (highlightJunction == null)
{
if (Association != null && AssociationEnd != null)
{
targetJunction = Association.GetJunctionConnectingEnd(AssociationEnd);
}
if (PSM_Association != null)
{
targetJunction = PSM_Association;
}
if (targetJunction != null)
{
highlightJunction = new XCasePrimitiveJunction(XCaseCanvas, this, targetJunction)
{
Pen = MediaLibrary.DashedBlackPen
};
}
}
if (highlightJunction != null)
{
highlightJunction.Visibility = Visibility.Visible;
}
base.OnPreviewMouseDown(e);
}
