public TreeNode GetLastDescendantWithXmlAttribute(string attrName)
{
if (mChildren.Count == 0)
{
return(null);
}
for (int i = Children.Count - 1; i >= 0; i--)
{
TreeNode child = Children.Get(i);
if (child.HasXmlProperty && child.GetXmlProperty().GetAttribute(attrName) != null)
{
return(child);
}
TreeNode childIn = child.GetLastDescendantWithXmlAttribute(attrName);
if (childIn != null)
{
return(childIn);
}
}
return(null);
}
public bool NeedsXmlNamespacePrefix()
{
if (!HasXmlProperty)
{
return(false);
}
string nsUri_NearestXmlns = null;
TreeNode node = this;
while (node != null)
{
XmlProperty xmlProp = node.GetXmlProperty();
foreach (XmlAttribute xmlAttr in xmlProp.Attributes.ContentsAs_Enumerable)
{
string attrNSPrefix = xmlAttr.Prefix;
string attrLocalName = xmlAttr.PrefixedLocalName != null
? xmlAttr.PrefixedLocalName
: xmlAttr.LocalName;
if (String.IsNullOrEmpty(attrNSPrefix) &&
attrLocalName.Equals(XmlReaderWriterHelper.NS_PREFIX_XMLNS))
{
// xmlns="URI"
nsUri_NearestXmlns = xmlAttr.Value;
break;
}
}
if (!String.IsNullOrEmpty(nsUri_NearestXmlns))
{
break;
}
node = node.Parent;
}
if (String.IsNullOrEmpty(nsUri_NearestXmlns))
{
nsUri_NearestXmlns = Presentation.PropertyFactory.DefaultXmlNamespaceUri;
}
string nsUri = GetXmlNamespaceUri();
if (nsUri_NearestXmlns == nsUri)
{
return(false);
}
return(true);
}
public TreeNode GetNextSiblingWithXmlAttribute(string attrName)
{
if (Parent == null)
{
return(null);
}
TreeNode next = this;
while ((next = next.NextSibling) != null)
{
if (next.HasXmlProperty && next.GetXmlProperty().GetAttribute(attrName) != null)
{
return(next);
}
TreeNode nextIn = next.GetFirstDescendantWithXmlAttribute(attrName);
if (nextIn != null)
{
return(nextIn);
}
}
return(Parent.GetNextSiblingWithXmlAttribute(attrName));
}
public TreeNode GetPreviousSiblingWithXmlAttribute(string attrName)
{
if (Parent == null)
{
return(null);
}
TreeNode previous = this;
while ((previous = previous.PreviousSibling) != null)
{
if (previous.HasXmlProperty && previous.GetXmlProperty().GetAttribute(attrName) != null)
{
return(previous);
}
TreeNode previousIn = previous.GetLastDescendantWithXmlAttribute(attrName);
if (previousIn != null)
{
return(previousIn);
}
}
return(Parent.GetPreviousSiblingWithXmlAttribute(attrName));
}
