/// <summary>
/// Binary saves the diagram
/// </summary>
/// <param name="fileName">the file-path</param>
/// <param name="site">the graph-control instance to be serialized</param>
/// <returns></returns>
public static bool SaveAs(string fileName, GraphControl site)
{
FileStream fs = new FileStream(fileName, FileMode.Create);
BinaryFormatter f = new BinaryFormatter();
try
{
BinaryCapsule capsule = new BinaryCapsule();
capsule.Ambiance = GetControlAmbiance(site);
capsule.Abstract = site.extract;
capsule.Thumbnail = site.GetControlThumbnail(150, 150);
//Warning!: cleaning up, you need to unhook all events since unserializable classes hooked to events will give problems
f.Serialize(fs, capsule);
return(true);
}
catch (Exception exc)
{
site.OutputInfo("The graph was not saved, because some graph events were attached to non-serializable classes.\r\n This is a known issue and will be resolved in a later stadium.", OutputInfoLevels.Exception);
Trace.WriteLine(exc.Message, "BinarySerializer.SaveAs");
//DumpInfo();
}
catch
{
Trace.WriteLine("Non-CLS exception caught.", "BinarySerializer.SaveAs");
}
finally
{
fs.Close();
}
return(false);
}
/// <summary>
/// Opens the binary-saved diagram
/// </summary>
/// <param name="fileName"></param>
/// <param name="site"></param>
public static void Open(string fileName, GraphControl site)
{
FileStream fs = null;
try
{
fs = File.OpenRead(fileName);
}
catch (System.IO.DirectoryNotFoundException exc)
{
System.Windows.Forms.MessageBox.Show(exc.Message);
}
catch (System.IO.FileLoadException exc)
{
System.Windows.Forms.MessageBox.Show(exc.Message);
}
catch (System.IO.FileNotFoundException exc)
{
System.Windows.Forms.MessageBox.Show(exc.Message);
}
catch
{
site.OutputInfo("Non-CLS exception caught.", "BinarySerializer.SaveAs", OutputInfoLevels.Exception);
}
//donnot open anything if filestream is not there
if (fs == null)
{
return;
}
try
{
BinaryFormatter f = new BinaryFormatter();
//this added for temporarily solving the open file issue
//of different namespace of customed shapes: SequenceShape, IfShape etc.
//if save flowchart data file using one version, open with another version,
//exception raised: "无法找到程序集..."
//TODO: remove below statement for release version
f.Binder = new UBinder();
BinaryCapsule capsule = (BinaryCapsule)f.Deserialize(fs); //so simple, so powerful
GraphAbstract tmp = capsule.Abstract;
SetControlAmbiance(site, capsule.Ambiance);
tmp.Site = site;
//site.extract = new GraphAbstract();
site.extract = tmp;
//the paintables are not serialized and need to be filled
site.extract.paintables.AddRange(site.extract.Shapes);
site.extract.paintables.AddRange(site.extract.Connections);
site.extract.SortPaintables();
UnwrapBundle(tmp, site);
}
catch (SerializationException exc)
{
System.Windows.Forms.MessageBox.Show(exc.Message);
}
catch (System.Reflection.TargetInvocationException exc)
{
site.OutputInfo(exc.Message, "BinarySerializer.Open", OutputInfoLevels.Exception);
}
catch (Exception exc)
{
site.OutputInfo(exc.Message, "BinarySerializer.Open", OutputInfoLevels.Exception);
}
catch
{
site.OutputInfo("Non-CLS exception caught.", "BinarySerializer.Open", OutputInfoLevels.Exception);
}
finally
{
if (fs != null)
{
fs.Close();
}
}
}
/// <summary>
/// Opens the binary-saved diagram
/// </summary>
/// <param name="fileName"></param>
/// <param name="site"></param>
public static void Open(string fileName, GraphControl site)
{
FileStream fs = null;
try
{
fs = File.OpenRead(fileName);
}
catch (System.IO.DirectoryNotFoundException exc)
{
System.Windows.Forms.MessageBox.Show(exc.Message);
}
catch (System.IO.FileLoadException exc)
{
System.Windows.Forms.MessageBox.Show(exc.Message);
}
catch (System.IO.FileNotFoundException exc)
{
System.Windows.Forms.MessageBox.Show(exc.Message);
}
catch
{
site.OutputInfo("Non-CLS exception caught.", "BinarySerializer.SaveAs", OutputInfoLevels.Exception);
}
//donnot open anything if filestream is not there
if (fs == null)
{
return;
}
try
{
BinaryFormatter f = new BinaryFormatter();
BinaryCapsule capsule = (BinaryCapsule)f.Deserialize(fs); //so simple, so powerful
GraphAbstract tmp = capsule.Abstract;
SetControlAmbiance(site, capsule.Ambiance);
tmp.Site = site;
//site.extract = new GraphAbstract();
site.extract = tmp;
//the paintables are not serialized and need to be filled
site.extract.paintables.AddRange(site.extract.Shapes);
site.extract.paintables.AddRange(site.extract.Connections);
site.extract.SortPaintables();
UnwrapBundle(tmp, site);
}
catch (SerializationException exc)
{
System.Windows.Forms.MessageBox.Show(exc.Message);
}
catch (System.Reflection.TargetInvocationException exc)
{
site.OutputInfo(exc.Message, "BinarySerializer.Open", OutputInfoLevels.Exception);
}
catch (Exception exc)
{
site.OutputInfo(exc.Message, "BinarySerializer.Open", OutputInfoLevels.Exception);
}
catch
{
site.OutputInfo("Non-CLS exception caught.", "BinarySerializer.Open", OutputInfoLevels.Exception);
}
finally
{
if (fs != null)
{
fs.Close();
}
}
}
