/// <summary>
/// Makes sure that whole (not parts of) tables are included in the source of a paste.
/// </summary>
/// <param name="range">The original source range. The range may be modified.</param>
/// <param name="markupServices">MarkupServices for the range.</param>
private void ExpandToIncludeTables(MarkupRange range, MshtmlMarkupServices markupServices)
{
MarkupPointer pointer = markupServices.CreateMarkupPointer();
IHTMLElement[] tableElements = range.GetElements(ElementFilters.TABLE_ELEMENTS, false);
foreach (IHTMLElement element in tableElements)
{
IHTMLElement parentTable = element;
while (parentTable != null && markupServices.GetElementTagId(parentTable) != _ELEMENT_TAG_ID.TAGID_TABLE)
{
parentTable = parentTable.parentElement;
}
if (parentTable != null)
{
pointer.MoveAdjacentToElement(parentTable, _ELEMENT_ADJACENCY.ELEM_ADJ_BeforeBegin);
if (range.Start.IsRightOf(pointer))
{
range.Start.MoveToPointer(pointer);
}
pointer.MoveAdjacentToElement(parentTable, _ELEMENT_ADJACENCY.ELEM_ADJ_AfterEnd);
if (range.End.IsLeftOf(pointer))
{
range.End.MoveToPointer(pointer);
}
}
}
}
/// <summary>
/// Returns the markup pointer to the position of the first exit scope of type tagId or type terminatingTagId which follows this markup range.
/// Returns null if text exists between the range and such an exit scope, or if there is no such exit scope.
/// </summary>
/// <param name="terminatingTagId"></param>
/// <returns></returns>
internal MarkupPointer NextExitScopeWithoutInterveningText(MarkupRange selection, _ELEMENT_TAG_ID tagId, _ELEMENT_TAG_ID terminatingTagId, out bool primaryTagIdMatch)
{
MarkupContext context = new MarkupContext();
MarkupPointer pointer = selection.End.Clone();
primaryTagIdMatch = false;
while (true)
{
pointer.Right(true, context);
if (context.Element == null)
{
return(null);
}
switch (context.Context)
{
case _MARKUP_CONTEXT_TYPE.CONTEXT_TYPE_None:
return(null);
case _MARKUP_CONTEXT_TYPE.CONTEXT_TYPE_ExitScope:
{
if (_markupServices.GetElementTagId(context.Element) == tagId)
{
primaryTagIdMatch = true;
return(pointer);
}
if (terminatingTagId != _ELEMENT_TAG_ID.TAGID_NULL && terminatingTagId == _markupServices.GetElementTagId(context.Element))
{
return(pointer);
}
}
break;
case _MARKUP_CONTEXT_TYPE.CONTEXT_TYPE_EnterScope:
case _MARKUP_CONTEXT_TYPE.CONTEXT_TYPE_NoScope:
break;
case _MARKUP_CONTEXT_TYPE.CONTEXT_TYPE_Text:
return(null);
}
}
}
