private void Remove(HighlightInfoList list, DomElement element)
{
for (int iCount = list.Count - 1; iCount >= 0; iCount--)
{
HighlightInfo info = list[iCount];
bool delete = false;
if (info.OwnerElement == element)
{
delete = true;
}
else if (info.OwnerElement != null &&
info.OwnerElement.IsParentOrSupParent(element))
{
delete = true;
}
if (delete)
{
if (info.Range != null)
{
this.Document.InvalidateView(info.Range);
}
list.RemoveAt(iCount);
}
}//for
}
/// <summary>
/// 声明指定的元素相关的高亮度显示区域无效,需要重新设置
/// </summary>
/// <param name="element">文档元素对象</param>
/// <param name="deleteElement">由于删除元素操作而执行本方法，
/// 此时不需要将元素添加到高亮度区域状态未知的元素列表</param>
public void InvalidateHighlightInfo(DomElement element)
{
if (element is DomCharElement)
{
// 字符元素不能设置为高亮度区域，因此不处理，提高效率
return;
}
if (_InnerHighlightInfos != null)
{
if (_InvalidateHighlightInfoElements == null)
{
_InvalidateHighlightInfoElements = new DomElementList();
}
if (_InvalidateHighlightInfoElements.Contains(element) == false)
{
_InvalidateHighlightInfoElements.Add(element);
if (_InnerHighlightInfos != null)
{
for (int iCount = _InnerHighlightInfos.Count - 1; iCount >= 0; iCount--)
{
HighlightInfo info = _InnerHighlightInfos[iCount];
bool delete = false;
if (info.OwnerElement == element)
{
delete = true;
}
else if (info.OwnerElement != null &&
info.OwnerElement.IsParentOrSupParent(element))
{
delete = true;
}
if (delete)
{
if (info.Range != null)
{
this.Document.InvalidateView(info.Range);
if (info.OwnerElement != null &&
_InvalidateHighlightInfoElements.Contains(info.OwnerElement) == false)
{
_InvalidateHighlightInfoElements.Add(info.OwnerElement);
}
}
_InnerHighlightInfos.RemoveAt(iCount);
}
} //for
} //if
} //if
}
}