// don't be scared by the absolute numbers for the pieces of the document
// they can be changed, they ONLY refer to the structure that we
// use in the DEFAULT_DOC.
// On reading the XML document, we use element names
public override XmlDocument GetXml(SerializableUniverse serializablePiece)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(DEFAULT_DOC); // READ IN THE TEXT BELOW WHICH IS THE
// STRUCTURE OF THE DOCUMENT
XmlElement kbaseNode = (XmlElement)doc.FirstChild;
XmlElement versionNode = (XmlElement)kbaseNode.FirstChild;
XmlText text = doc.CreateTextNode(serialize(serializablePiece.Version));
versionNode.AppendChild(text);
XmlElement propertiesNode = (XmlElement)kbaseNode.ChildNodes[1];
foreach (int id in serializablePiece.propertyIds)
{
makeChildXmlAndAppend(doc, propertiesNode, id);
}
XmlElement propertySetsNode = (XmlElement)kbaseNode.ChildNodes[2];
foreach (int id in serializablePiece.propertySetIds)
{
makeChildXmlAndAppend(doc, propertySetsNode, id);
}
if (serializablePiece.UnknownPieceToReserialize != null) {
XmlNodeList unknowns = serializablePiece.UnknownPieceToReserialize as XmlNodeList;
foreach (XmlNode child in unknowns) {
XmlNode childClone = doc.ImportNode(child, true);
kbaseNode.AppendChild(childClone);
}
}
XmlElement topLevelIdsNode = (XmlElement)kbaseNode.ChildNodes[3];
foreach (int id in serializablePiece.topLevelIds)
{
makeChildXmlAndAppend(doc, topLevelIdsNode, id);
}
XmlElement snippetsNode = (XmlElement)kbaseNode.ChildNodes[4]; // explanation of nums above
foreach (SerializableSnippet snippet in serializablePiece.snippets.Values)
{
makeSnippetXmlAndAppend(doc, snippetsNode, snippet);
}
Encryption encryption = Universe.Instance.encryption;
if (encryption.On)
{
XmlEncryption.EncryptElement(doc.FirstChild, encryption.Password, true);
}
return doc;
}
public void Save(SerializableUniverse serializablePiece, string path)
{
System.IO.TextWriter writer = null;
try
{
writer = new System.IO.StreamWriter(path);
Save(serializablePiece,writer);
}
finally
{
if (writer != null)
writer.Close();
}
}
public void Save(SerializableUniverse serializablePiece, string path)
{
System.IO.TextWriter writer = null;
bool undoable = false;
FileInfo backupFile = new FileInfo(path + ".bak");
FileInfo file = new FileInfo(path);
try
{
// make a backup of the old file first
// backup the old backup file if it exists
if (backupFile.Exists)
backupFile.Delete();
if (file.Exists)
file.MoveTo(backupFile.FullName);
undoable = true;
writer = new System.IO.StreamWriter(path);
Save(serializablePiece,writer);
undoable = false;
} catch (Exception e) {
if (undoable) {
if (file.Exists)
{
// the writer could lock up the file, so we close it
// just in case
if (writer != null)
writer.Close();
file.Delete();
}
if (backupFile.Exists)
backupFile.MoveTo(file.FullName);
}
throw e;
}
finally
{
if (writer != null)
writer.Close();
}
}
public override XmlDocument GetXml(SerializableUniverse serializablePiece)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(DEFAULT_DOC); // READ IN THE TEXT BELOW WHICH IS THE
// STRUCTURE OF THE DOCUMENT
XmlElement kbaseNode = (XmlElement)doc.FirstChild;
XmlElement versionNode = (XmlElement)kbaseNode.FirstChild;
XmlText text = doc.CreateTextNode(serialize(serializablePiece.Version));
versionNode.AppendChild(text);
XmlElement propertiesNode = (XmlElement)kbaseNode.ChildNodes[1];
foreach (Snippet snippet in Universe.Instance.propertiesPane.getProperties())
{
makeChildXmlAndAppend(doc, propertiesNode, snippet.Id);
}
XmlElement topLevelIdsNode = (XmlElement)kbaseNode.ChildNodes[2];
foreach (int id in serializablePiece.topLevelIds)
{
makeChildXmlAndAppend(doc, topLevelIdsNode, id);
}
XmlElement snippetsNode = (XmlElement)kbaseNode.ChildNodes[3];
foreach (SerializableSnippet snippet in serializablePiece.snippets.Values)
{
makeSnippetXmlAndAppend(doc, snippetsNode, snippet);
}
Encryption encryption = Universe.Instance.encryption;
if (encryption.On)
{
XmlEncryption.EncryptElement(doc.FirstChild, encryption.Password, true);
}
return doc;
}
public SerializableUniverse GetSerializablePiece()
{
ArrayList snippets = new ArrayList(this.Count);
foreach (SnippetTNode node in this) {
snippets.Add(node.Snippet);
}
SerializableUniverse serializable = new SerializableUniverse(snippets);
serializable.Version = Version;
return serializable;
}
public override object OnSelectedNodesDrag()
{
try
{
// if we're client server, this is actually just a shell...
// see OnDragDrop which will, if we're not pasting to another
// running TheKbase.exe, use a locally cached version that
// has not been serialized at all
SerializableUniverse serializable = new SerializableUniverse(GetSelectedNodesAsSnippets());
// cache our serializable so we can figure out if the drag is local
hashCodeOfNodesBeingDragged = serializable.GetHashCode();
return serializable;
}
catch (Exception e2)
{
MainForm.ShowError(e2);
return null;
}
}
void Paste(SerializableUniverse serializable, Snippet to)
{
List<Snippet> newSnippets = serializable.Restore(to, true);
foreach (Snippet snippet in newSnippets)
{
snippet.UI.GetInstanceUnder(to).Select();
}
}
public void Save(SerializableUniverse serializablePiece, System.IO.TextWriter writer)
{
XmlDocument doc = GetXml(serializablePiece);
doc.Save(writer);
}
public abstract XmlDocument GetXml(SerializableUniverse serializablePiece);
/// <summary>
/// returns true if save suceeds, will NOT call saveas!
/// </summary>
/// <returns></returns>
public bool Save()
{
bool success = false;
detailPane.Save();
SerializableUniverse universe = new SerializableUniverse(ModelGateway.TopLevelSnippet.Children);
try
{
Logger.Log("Saving TheKBase File to " + Path);
DateTime marker = DateTime.Now;
universe.Save(Path);
mainForm.SetStatus("Sucessfully saved to " + Path + "");
success = true;
ModelGateway.Dirty = false;
Logger.LogTimer(marker, "Saving file");
}
catch (Exception ex)
{
MainForm.ShowError(ex, "Error saving");
}
return success;
}
/// <summary>
/// </summary>
/// <returns></returns>
public void Export(string xsl, string outputFile)
{
detailPane.Save();
SerializableUniverse universe = new SerializableUniverse(ModelGateway.TopLevelSnippet.Children);
universe.Export(xsl, outputFile);
}
public override SerializableUniverse Restore(string path)
{
XmlReader reader = null;
try
{
SerializableUniverse retVal = new SerializableUniverse();
XmlDocument doc = new XmlDocument();
reader = new XmlTextReader(path);
doc.Load(reader);
XmlElement kbaseNode = (XmlElement)doc.GetElementsByTagName("Kbase")[0];
if (kbaseNode.FirstChild.Name.Equals(XmlEncryption.ENCRYPTED_NODE_NAME)) {
string password = null;
bool success = false;
XmlNode encryptedNode = kbaseNode.FirstChild;
while (!success)
{
password = Universe.Instance.encryption.SolicitPasswordOnLoad(password);
if (password == null)
throw new Exception("User cancelled.");
try
{
XmlEncryption.DecryptElement(encryptedNode, password);
Universe.Instance.encryption.Password = password;
success = true;
}
catch (Exception ex) {
Logger.Log("Failed decryption " + ex.Message);
}
}
}
// version node
XmlElement versionNode = (XmlElement)kbaseNode.GetElementsByTagName("Version")[0];
XmlText text = (XmlText)versionNode.FirstChild;
retVal.Version = deserializeDateTime(text.Value);
XmlElement topLevelIdNode = (XmlElement)kbaseNode.GetElementsByTagName("TopLevelIds")[0];
foreach (XmlElement idXml in topLevelIdNode.ChildNodes)
{
int id = HandleId(idXml);
retVal.topLevelIds.Add(id);
}
XmlElement snippetsNode = (XmlElement)kbaseNode.GetElementsByTagName("Snippets")[0];
foreach (XmlElement snippetXml in snippetsNode.ChildNodes)
{
SerializableSnippet sSnippet = HandleSnippet(snippetXml);
retVal.snippets.Add(sSnippet.Id,sSnippet);
}
XmlElement propertiesNode = (XmlElement)kbaseNode.GetElementsByTagName("Properties")[0];
if (propertiesNode != null) // for backwards compatability
{
foreach (XmlElement idXml in propertiesNode.ChildNodes)
{
int id = HandleId(idXml);
retVal.propertyIds.Add(id);
}
}
return retVal;
}
finally
{
if (reader!=null)
reader.Close();
}
}
public SerializableUniverse GetSerializablePiece()
{
List<Kbase.Model.Snippet> snippets = new List<Kbase.Model.Snippet>(this.Count);
foreach (SnippetTNode node in this) {
snippets.Add(node.Snippet);
}
SerializableUniverse serializable = new SerializableUniverse(snippets);
serializable.Version = Version;
return serializable;
}