/// <summary>
/// 将对象内容添加到文档内容中
/// </summary>
/// <param name="content">文档内容对象</param>
/// <returns>添加的文档元素个数</returns>
public virtual int AppendContent(DomElementList content, bool privateMode)
{
int result = 0;
foreach (DomElement element in this.Elements)
{
element.Parent = this;
if (element.Visible)
{
if (element is DomContainerElement)
{
DomContainerElement c = (DomContainerElement)element;
result = result + c.AppendContent(content, privateMode);
}
else
{
content.Add(element);
result++;
}
}//if
} //foreach
return(result);
}
private int CloneElements(
DomContainerElement sourceContainer,
ref DomContainerElement descContainer)
{
int result = 0;
foreach (DomElement element in sourceContainer.Elements)
{
if (element.Style.DeleterIndex >= 0)
{
// 元素被逻辑删除了，无法复制
continue;
}
else if (element is DomContainerElement)
{
DomContainerElement c = ( DomContainerElement )element;
DomContainerElement newC = null;
int result2 = CloneElements(c, ref newC);
if (result2 == 0)
{
if (element is DomContainerElement)
{
DomContainerElement container = ( DomContainerElement )element;
if (c.Elements.Count == 0)
{
// 有些特殊的容器元素没有标准意义上的子元素,例如设置了背景文本的没有实际
// 内容的输入域等,此时需要判断文档内容元素
DomElementList ces = new DomElementList();
container.AppendContent(ces, true);
foreach (DomElement ce in ces)
{
if (this.ContentElements.Contains(ce))
{
if (newC == null)
{
// 发现有内容在包含区域中,则创建新的容器元素对象
newC = ( DomContainerElement )c.Clone(false);
newC.OwnerLine = null;
break;
}
}
} //foreach
} //if
} //if
} //if
if (newC != null)
{
if (descContainer == null)
{
result++;
descContainer = (DomContainerElement)sourceContainer.Clone(false);
descContainer.OwnerLine = null;
}
descContainer.AppendChildElement(newC);
}
}
}//foreach
return(result);
}
