/// <summary>
/// Sets the given pen with the new given color.
/// </summary>
internal static void SetShapePenColor(this ShapeElement shape, StyleSetResourceId resourceId, Color color)
{
PenSettings penSettings = shape.StyleSet.GetOverriddenPenSettings(resourceId);
if (penSettings == null)
{
penSettings = new PenSettings();
}
penSettings.Color = color;
shape.StyleSet.OverridePen(resourceId, penSettings);
shape.Invalidate();
}
/// <summary>
/// Sets the given brush with the new given color.
/// </summary>
internal static void SetShapeBrushColor(this ShapeElement shape, StyleSetResourceId resourceId, Color color)
{
BrushSettings brushSettings = shape.StyleSet.GetOverriddenBrushSettings(resourceId);
if (brushSettings == null)
{
brushSettings = new BrushSettings();
}
brushSettings.Color = color;
shape.StyleSet.OverrideBrush(resourceId, brushSettings);
shape.Invalidate();
}
/// <summary>
/// Force a redraw of the associated presentation elements on a given diagram.
/// This is used when a transaction is not active to update for a temporary
/// display change.
/// </summary>
private static void RedrawPelsOnDiagram(ModelElement element, Diagram diagram)
{
LinkedElementCollection <PresentationElement> pels = PresentationViewsSubject.GetPresentation(element);
int pelsCount = pels.Count;
for (int i = 0; i < pelsCount; ++i)
{
ShapeElement shape = pels[i] as ShapeElement;
if (shape != null && shape.Diagram == diagram)
{
shape.Invalidate(true);
}
}
}
public static bool SelectModelElement(this DiagramView diagramView, ModelElement modelElement, bool ensureVisible)
{
// Get the shape element that corresponds to the model element
ShapeElement shapeElement = PresentationViewsSubject.GetPresentation(modelElement)
.OfType <ShapeElement>()
.FirstOrDefault(s => s.Diagram == diagramView.Diagram);
if (shapeElement != null)
{
// Make sure the shape element is visible (because connectors can be hidden)
if (!shapeElement.IsVisible)
{
shapeElement.Show();
}
// Create a diagram item for this shape element and select it
diagramView.Selection.Set(new DiagramItem(shapeElement));
if (ensureVisible)
{
diagramView.Selection.EnsureVisible(DiagramClientView.EnsureVisiblePreferences.ScrollIntoViewCenter);
diagramView.ZoomAtViewCenter(1);
}
shapeElement.Invalidate();
return(true);
}
// If the model element does not have a shape, try to cast it IModelElementCompartment
if (modelElement is IModelElementInCompartment compartmentedModelElement)
{
// Get the parent
IModelElementWithCompartments parentModelElement = compartmentedModelElement.ParentModelElement;
if (parentModelElement != null)
{
// Get the compartment that stores the model element
CompartmentShape parentShapeElement = PresentationViewsSubject.GetPresentation((ModelElement)parentModelElement)
.OfType <CompartmentShape>()
.FirstOrDefault(s => s.Diagram == diagramView.Diagram);
ElementListCompartment compartment = parentShapeElement?.GetCompartment(compartmentedModelElement.CompartmentName);
if (compartment != null)
{
if (!compartment.IsExpanded)
{
using (Transaction trans = modelElement.Store.TransactionManager.BeginTransaction("IsExpanded"))
{
compartment.IsExpanded = true;
trans.Commit();
}
}
// Find the model element in the compartment
int index = compartment.Items.IndexOf(modelElement);
if (index >= 0)
{
// Create a diagram item and select it
diagramView.Selection.Set(new DiagramItem(compartment, compartment.ListField, new ListItemSubField(index)));
if (ensureVisible)
{
diagramView.Selection.EnsureVisible(DiagramClientView.EnsureVisiblePreferences.ScrollIntoViewCenter);
diagramView.ZoomAtViewCenter(1);
}
compartment.Invalidate();
return(true);
}
}
}
}
return(false);
}