private static void AddStructure(IXpsFixedDocumentReader fixedDocumentReader, IXpsFixedDocumentWriter fixedDocumentWriter)
{
XpsStructure Structure = fixedDocumentReader.DocumentStructure;
if (Structure != null)
{
XpsStructure myStructure = fixedDocumentWriter.AddDocumentStructure();
using (Stream destStream = myStructure.GetStream())
{
using (Stream sourceStream = Structure.GetStream())
{
CopyStream(sourceStream, destStream);
myStructure.Commit();
}
}
}
}
string[] pages = null; // 用于存放目录文档各节点OutlineTarget值,页码信息
// 读取导航目录
private void ReadDoc(XpsDocument xpsDoc)
{
IXpsFixedDocumentSequenceReader docSeq = xpsDoc.FixedDocumentSequenceReader;
IXpsFixedDocumentReader docReader = docSeq.FixedDocuments[0];
XpsStructure xpsStructure = docReader.DocumentStructure;
Stream stream = xpsStructure.GetStream();
XmlDocument doc = new XmlDocument();
doc.Load(stream);
//获取节点列表
XmlNodeList nodeList = doc.ChildNodes.Item(0).FirstChild.FirstChild.ChildNodes;
if (nodeList.Count <= 0)//判断是否存在目录节点
{
//tvTree.Visibility = System.Windows.Visibility.Hidden;
tvTree.Items.Add(new TreeViewItem {
Header = "没有导航目录"
});
return;
}
tvTree.Visibility = System.Windows.Visibility.Visible;
array = new int[nodeList.Count];
array1 = new string[nodeList.Count];
arrayName = new string[nodeList.Count];
pages = new string[nodeList.Count];
for (int i = 0; i < nodeList.Count; i++)
{
array[i] = Convert.ToInt32(nodeList[i].Attributes["OutlineLevel"].Value);
array1[i] = nodeList[i].Attributes["OutlineLevel"].Value.ToString();
arrayName[i] = nodeList[i].Attributes["Description"].Value.ToString();
pages[i] = nodeList[i].Attributes["OutlineTarget"].Value.ToString();
}
for (int i = 0; i < array.Length - 1; i++)
{
//对array进行转换组装成可读的树形结构，通过ASCII值进行增加、转换
array1[0] = "A";
if (array[i + 1] - array[i] == 1)
{
array1[i + 1] = array1[i] + 'A';
}
if (array[i + 1] == array[i])
{
char s = Convert.ToChar(array1[i].Substring((array1[i].Length - 1), 1));
array1[i + 1] = array1[i].Substring(0, array1[i].Length - 1) + (char)(s + 1);
}
if (array[i + 1] < array[i])
{
int m = array[i + 1];
char s = Convert.ToChar(array1[i].Substring(0, m).Substring(m - 1, 1));
array1[i + 1] = array1[i].Substring(0, m - 1) + (char)(s + 1);
}
}
//添加一个节点作为根节点
TreeViewItem parent = new TreeViewItem();
TreeViewItem parent1 = null;
parent.Header = "目录导航";
Boolean flag = false;
for (int i = 0; i < array.Length; i++)
{
if (array[i] == 1)
{
flag = true;
}
if (flag) //如果找到实际根节点，加载树
{
parent1 = new TreeViewItem();
parent1.Header = arrayName[i];
parent1.Tag = array1[i];
parent.Items.Add(parent1);
parent.IsExpanded = true;
parent1.IsExpanded = true;
FillTree(parent1, array1, arrayName);
flag = false;
}
}
tvTree.Items.Clear();
tvTree.Items.Add(parent);
}
