/// <summary>
/// Gets the selected elements.
/// </summary>
/// <param name="provider">The provider.</param>
/// <returns></returns>
public static IList <object> GetSelectedElements(IServiceProvider provider)
{
ModelingDocView docView = DesignerHelper.GetModelingDocView(provider);
if (docView != null)
{
if (docView.SelectionCount > 0)
{
IList <object> elements = new List <object>(docView.SelectionCount);
foreach (object component in docView.GetSelectedComponents())
{
ShapeElement selectedShape = component as ShapeElement;
ModelElement selectedElement = component as ModelElement;
if (selectedShape != null)
{
elements.Add(selectedShape.ModelElement);
}
else if (selectedElement != null)
{
elements.Add(selectedElement);
}
}
return(elements);
}
}
return(null);
}
/// <summary>
/// Gets the selected element.
/// </summary>
/// <param name="provider">The provider.</param>
/// <returns></returns>
public static ModelElement GetSelectedElement(IServiceProvider provider)
{
ModelingDocView docView = DesignerHelper.GetModelingDocView(provider);
if (docView != null)
{
if (docView.SelectionCount == 1)
{
foreach (object component in docView.GetSelectedComponents())
{
ShapeElement selectionShape = component as ShapeElement;
ModelElement selectionElement = component as ModelElement;
if (selectionShape != null)
{
return(selectionShape.ModelElement);
}
else if (selectionElement != null)
{
return(selectionElement);
}
}
}
}
return(null);
}
public void OnDocumentSelectionChanged(object sender, EventArgs e)
{
if (sender != null)
{
ModelingDocView view = sender as ModelingDocView;
if (view != null)
{
ICollection selection = view.GetSelectedComponents();
if (selection.Count == 1)
{
IEnumerator enumerator = selection.GetEnumerator();
enumerator.MoveNext();
ClassShape shape = enumerator.Current as ClassShape;
if (shape != null)
{
ModelClass modelClass = shape.ModelElement as ModelClass;
if (modelClass != null)
{
control.Display(modelClass);
return;
}
}
ModelProperty property = enumerator.Current as ModelProperty;
if (property != null)
{
control.Display(property.ModelClass);
return;
}
}
}
control.Clear();
}
}