/// <summary>
/// 设置多个元素的样式
/// </summary>
/// <param name="newStyle">新样式</param>
/// <param name="document">文档对象</param>
/// <param name="elements">要设置的元素列表</param>
/// <returns>操作是否成功</returns>
internal static bool SetElementStyle(
DocumentContentStyle newStyle,
DomDocument document,
System.Collections.IEnumerable elements)
{
if (newStyle == null)
{
throw new ArgumentNullException("newStyle");
}
if (document == null)
{
throw new ArgumentNullException("document");
}
if (elements == null)
{
throw new ArgumentNullException("elements");
}
if (document.Options.SecurityOptions.EnablePermission)
{
// 运行授权控制，向样式信息添加用户信息
newStyle.DisableDefaultValue = false;
newStyle.CreatorIndex = document.UserHistories.CurrentIndex;
newStyle.DeleterIndex = -1;
}
else
{
// 去除授权控制相关信息
newStyle.DisableDefaultValue = false;
newStyle.CreatorIndex = -1;
newStyle.DeleterIndex = -1;
}
Dictionary <DomElement, int> newStyleIndexs
= new Dictionary <DomElement, int>();
DomElementList parents = new DomElementList();
DomElement lastParent = null;
foreach (DomElement element in elements)
{
DomElement parent = element.Parent;
//if (parent != lastParent)
{
// 记录所有涉及到的父元素
lastParent = parent;
bool addParent = false;
//if (element is XTextFieldBorderElement)
//{
// addParent = true;
//}
//else
if (addParent)
{
if (parents.Contains(element.Parent) == false)
{
parents.Add(element.Parent);
}
}
}//if
DocumentContentStyle rs = (DocumentContentStyle)element.RuntimeStyle.Clone();
if (XDependencyObject.MergeValues(newStyle, rs, true) > 0)
{
rs.DefaultValuePropertyNames = newStyle.GetDefaultValuePropertyNames();
int styleIndex = document.ContentStyles.GetStyleIndex(rs);
if (styleIndex != element.StyleIndex)
{
newStyleIndexs[element] = styleIndex;
}
if (element.ShadowElement != null && styleIndex != element.ShadowElement.StyleIndex)
{
newStyleIndexs[element.ShadowElement] = styleIndex;
}
}
}//foreach
if (parents.Count > 0)
{
// 对涉及到的父元素设置样式
foreach (DomElement element in parents)
{
DocumentContentStyle rs = (DocumentContentStyle)element.RuntimeStyle.Clone();
if (XDependencyObject.MergeValues(newStyle, rs, true) > 0)
{
rs.DefaultValuePropertyNames = newStyle.GetDefaultValuePropertyNames();
int styleIndex = document.ContentStyles.GetStyleIndex(rs);
if (styleIndex != element.StyleIndex)
{
newStyleIndexs[element] = styleIndex;
}
}
}
}
if (newStyleIndexs.Count > 0)
{
DomElementList result = document.EditorSetElementStyle(newStyleIndexs, true);
if (result != null && result.Count > 0)
{
return(true);
}
}
return(false);
}
