public override void Execute()
{
if (this.SceneViewModel.TextSelectionSet.IsActive)
{
this.SceneViewModel.TextSelectionSet.TextEditProxy.EditingElement.SelectAll();
}
else
{
SelectionManagerPerformanceHelper.MeasurePerformanceUntilPipelinePostSceneUpdate(this.SceneViewModel.DesignerContext.SelectionManager, PerformanceEvent.SelectElement);
ISceneElementCollection elementCollection = (ISceneElementCollection) new SceneElementCollection();
SceneElement selectionRoot = SelectAllCommand.GetSelectionRoot(this.SceneViewModel);
if (selectionRoot != null)
{
foreach (SceneElement element in SceneElementHelper.GetElementTree(selectionRoot))
{
if (this.IsSelectable(element, selectionRoot))
{
elementCollection.Add(element);
}
}
}
this.SceneViewModel.ElementSelectionSet.SetSelection((ICollection <SceneElement>)elementCollection, (SceneElement)null);
this.SceneViewModel.PathPartSelectionSet.Clear();
}
}
private bool IsSelectable(SceneElement element, SceneElement selectionRoot)
{
return(SelectAllCommand.IsSelectable(element, element.EffectiveParent, selectionRoot));
}