public static List <Node> RetrieveNodeList(string _path)
{
List <Node> list = new List <Node>();
if (_path == null)
{
return(list);
}
DataContractSerializer dcs = new DataContractSerializer(typeof(NodeCollectionSerializable));
using (FileStream fs = File.OpenRead(_path))
{
XmlReaderSettings settings = new XmlReaderSettings();
XmlReader xr = XmlReader.Create(fs, settings);
NodeCollectionSerializable result = dcs.ReadObject(xr) as NodeCollectionSerializable;
if (result != null)
{
if (result.Items != null && result.Items.Count > 0)
{
list = new List <Node>(result.Items);
}
}
}
// adjust the state of the Node type and its instances
long nrNodes = 0;
foreach (Node n in list)
{
nrNodes = Math.Max(nrNodes, n.InitAppearance());
}
Node.AdjustNrNodesAfterDeserialization(nrNodes);
return(list);
}
public static void SaveNodeList(List <Node> _nodes, string _path)
{
if (_nodes == null || _nodes.Count < 1 || _path == null)
{
return;
}
NodeCollectionSerializable ncs = new NodeCollectionSerializable();
ncs.Items = new List <Node>(_nodes);
DataContractSerializer dcs = new DataContractSerializer(typeof(NodeCollectionSerializable));
// write the XML file
using (FileStream fs = File.Create(_path))
{
// OLD (msdn example):
//XmlDictionaryWriter xdw = XmlDictionaryWriter.CreateTextWriter(fs, Encoding.UTF8);
//dcs.WriteObject(xdw, ncs);
//xdw.Flush();
string xml_declaration = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
byte[] xml_declaration_B = System.Text.Encoding.UTF8.GetBytes(xml_declaration);
fs.Write(xml_declaration_B, 0, xml_declaration_B.Length);
string xsl_link = "<?xml-stylesheet type=\"text/xsl\" href=\"Export.xsl\"?>\n";
byte[] xsl_link_B = System.Text.Encoding.UTF8.GetBytes(xsl_link);
fs.Write(xsl_link_B, 0, xsl_link_B.Length);
XmlWriterSettings settings = new XmlWriterSettings();
settings.Encoding = Encoding.UTF8;
settings.Indent = true;
settings.IndentChars = ("\t");
settings.OmitXmlDeclaration = true;
XmlWriter xdw = XmlWriter.Create(fs, settings);
dcs.WriteObject(xdw, ncs);
xdw.Flush();
}
// copy the XSL, CSS and JS files to the same directory
int ind_backslash = _path.LastIndexOf('\\');
int ind_slash = _path.LastIndexOf('/');
int ind = Math.Max(ind_backslash, ind_slash);
if (ind > 0)
{
string dirname = _path.Substring(0, ind);
// XSL
string filename_xsl = dirname + "\\Export.xsl";
File.Delete(filename_xsl);
File.Copy(".\\Data\\xml\\Export.xsl", filename_xsl);
// CSS
string filename_css = dirname + "\\export_style.css";
File.Delete(filename_css);
File.Copy(".\\Data\\xml\\export_style.css", filename_css);
// JS
string filename_js = dirname + "\\sorttable.js";
File.Delete(filename_js);
File.Copy(".\\Data\\xml\\sorttable.js", filename_js);
}
}
