/// <summary>
/// Serialize a new map or update if already exists
/// </summary>
/// <param name="tree"></param>
/// <param name="fileName"></param>
private void SerializeMapCreateOrUpdate(PersistentTree tree, string fileName)
{
var fileMode = FileMode.OpenOrCreate;
using (var fileStream = new FileStream(fileName, fileMode))
{
using (var zip = new ZipArchive(fileStream, ZipArchiveMode.Update))
{
zip.GetEntry(MAPXMLFILE)?.Delete();
foreach (var a in tree.DeletedLargeObjects)
{
zip.GetEntry(a)?.Delete();
}
foreach (var o in tree.NewLargeObjects)
{
var objectEntry = zip.CreateEntry(o.Key, CompressionLevel.NoCompression);
using (Stream stream = objectEntry.Open()) o.Value.SaveToStream(stream);
}
var xmlEntry = zip.CreateEntry(MAPXMLFILE, CompressionLevel.NoCompression);
using (Stream stream = xmlEntry.Open())
{
new MindMapSerializer().Serialize(stream, tree);
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="mapView">Must not be null</param>
/// <param name="tree"></param>
public Tab(MapView mapView, PersistentTree tree)
: base(mapView.Canvas)
{
Tree = tree;
MapView = mapView;
tree.DirtyChanged += Tree_DirtyChanged;
}
private void PersistenceManager_CurrentTreeChanged(PersistenceManager manager, PersistentTree oldTree, PersistentTree newTree)
{
if (oldTree != null)
{
Unregister(oldTree.Tree);
}
if (newTree != null)
{
Register(newTree.Tree);
}
}
public void SerializeMap(PersistentTree tree, string fileName, bool overwrite)
{
if (overwrite)
{
SerializeMapOverwrite(tree, fileName);
}
else
{
SerializeMapCreateOrUpdate(tree, fileName);
}
}
/// <summary>
/// Serialize a new map or overwrite if file already exists
/// </summary>
/// <param name="tree"></param>
/// <param name="fileName"></param>
private void SerializeMapOverwrite(PersistentTree tree, string fileName)
{
var fileMode = FileMode.Create;
using (var fileStream = new FileStream(fileName, fileMode))
{
using (var zip = new ZipArchive(fileStream, ZipArchiveMode.Update))
{
foreach (var o in tree.LargeObjectsDictionary)
{
var objectEntry = zip.CreateEntry(o.Key, CompressionLevel.NoCompression);
using (Stream stream = objectEntry.Open()) o.Value.SaveToStream(stream);
}
var xmlEntry = zip.CreateEntry(MAPXMLFILE, CompressionLevel.NoCompression);
using (Stream stream = xmlEntry.Open())
{
new MindMapSerializer().Serialize(stream, tree);
}
}
}
}
/// <summary>
/// Method which actually saves the file to disk. Other methods like SaveAsMap and SaveMap invoke this.
/// </summary>
/// <param name="tree"></param>
/// <param name="fileName"></param>
private void SaveMapInternal(PersistentTree tree, string fileName = null)
{
Debug.Assert(tree.FileName != null || fileName != null, "Saving: Missing file name.");
noteCrtl.UpdateNodeFromEditor();
if (tree != null)
{
if (fileName == null)
{
tree.Save();
}
else
{
tree.Save(fileName);
}
MetaModel.MetaModel.Instance.RecentFiles.Add(tree.FileName);
}
}
private ContinueOperation PromptForUnsavedChanges(PersistentTree tree)
{
if (tree.IsDirty)
{
DialogResult result = MessageBox.Show("Do you want to save changes?", "Unsaved Changes",
MessageBoxButtons.YesNoCancel, MessageBoxIcon.Exclamation);
switch (result)
{
case DialogResult.Yes:
SaveMap(tree);
break;
case DialogResult.Cancel:
return ContinueOperation.Cancel;
}
}
return ContinueOperation.Continue;
}
public void SaveMap(PersistentTree tree)
{
if (tree != null)
{
if (tree.IsNewMap)
{
SaveAsMap(tree);
}
else
{
SaveMapInternal(tree);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="tree">should not be null</param>
public void SaveAsMap(PersistentTree tree)
{
SaveFileDialog file = new SaveFileDialog();
file.AddExtension = true;
file.DefaultExt = "mm";
file.Filter = "MindMap files (*.mm)|*.mm|All files (*.*)|*.*|Text (*.txt)|*.txt";
file.InitialDirectory = Path.GetDirectoryName(PersistenceManager.CurrentTree.FileName);
file.FileName = tree.IsNewMap? CurrentMapCtrl.MapView.Tree.RootNode.Text : PersistenceManager.CurrentTree.FileName;
if (file.ShowDialog() == DialogResult.OK)
{
SaveMapInternal(tree, file.FileName);
}
mainForm.EditorTabs.UpdateAppTitle();
}
private void Tree_DirtyChanged(PersistentTree tree)
{
UpdateTitle();
}
