// Find the closest IsSelectable parent and select it. Don't mess with focus.
//
private void Select(DependencyObject visualSource)
{
if (visualSource != null)
{
FrameworkElement selection = PropertySelection.FindParentSelectionStop <FrameworkElement>(visualSource);
if (selection != _selection)
{
// Unselect anything that was selected previously
if (_selection != null)
{
PropertySelection.SetIsSelected(_selection, false);
}
_selection = selection;
// Select whatever we need to select now
if (_selection != null)
{
PropertySelection.SetIsSelected(_selection, true);
// Bring the full PropertyContainer into view, if one exists
FrameworkElement focusableElement = VisualTreeUtils.FindFocusableElement <FrameworkElement>(_selection) ?? _selection;
FrameworkElement parentPropertyContainer = VisualTreeUtils.FindVisualAncestor <PropertyContainer>(focusableElement);
FrameworkElement bringIntoViewElement = parentPropertyContainer ?? focusableElement;
bringIntoViewElement.BringIntoView();
// As soon as the user manually selects a property, automatically switch to Sticky mode
_selectionMode = PropertySelectionMode.Sticky;
}
}
}
}
// Attempts to resolve the specified path and set it as the current selection, returning
// true or false based on success. If the path is found, selection is set to Sticky.
// If the UI is not ready, return false and pendingGeneration is true.
internal bool SetSelectionPath(SelectionPath path, out bool pendingGeneration)
{
DependencyObject newSelection = SelectionPathResolver.ResolveSelectionPath(this, path, out pendingGeneration);
if (newSelection != null)
{
SelectAndFocus(newSelection, StealFocusMode.OnlyIfCategoryListHasFocusWithin);
this.SelectionMode = PropertySelectionMode.Sticky;
return(true);
}
return(false);
}
// Property Selection
// <summary>
// Sets the SelectionMode back to default. This is a common enough
// operation that it makes sense to abstract it to its own method.
// </summary>
private void ResetSelectionMode()
{
SelectionMode = PropertySelectionMode.Default;
}
