/// <summary>
/// Expands a range to the safest outter tags that can be contained without encompassing
/// text that is not currently in this range.
/// </summary>
/// <param name="range"></param>
private void SelectOuter(MarkupRange range)
{
IHTMLElement parent = range.ParentElement();
MarkupRange editableRange = MarkupHelpers.GetEditableRange(parent, MarkupServices);
if (editableRange == null)
{
return;
}
while (parent != null && range.MoveOutwardIfNoContent())
{
parent = range.Start.CurrentScope;
}
if (range.Start.IsLeftOf(editableRange.Start))
{
range.Start.MoveToPointer(editableRange.Start);
}
if (range.End.IsRightOf(editableRange.End))
{
range.End.MoveToPointer(editableRange.End);
}
return;
}
private bool IsEditableSelection()
{
MarkupRange selectedRange = SelectedMarkupRange;
if (MarkupHelpers.GetEditableRange(selectedRange.Start.CurrentScope, MarkupServices) != null)
{
if (selectedRange.IsEmpty() || MarkupHelpers.GetEditableRange(selectedRange.Start.CurrentScope, MarkupServices) != null)
{
return(true);
}
}
return(false);
}
private MarkupRange AdjustSelection()
{
MarkupRange selection = CreateMaxSafeRange(SelectedMarkupRange);
if (selection.IsEmpty())
{
MarkupRange editableRange = MarkupHelpers.GetEditableRange(selection.Start.CurrentScope, MarkupServices);
MarkupPointerMoveHelper.MoveUnitBounded(selection.Start,
MarkupPointerMoveHelper.MoveDirection.LEFT,
MarkupPointerAdjacency.BeforeVisible | MarkupPointerAdjacency.BeforeEnterScope,
editableRange.Start);
selection.Collapse(true);
}
selection.ToTextRange().select();
return(selection);
}