private void mnuOpenConnection_Click(object sender, EventArgs e)
{
this.ofdConnection.Filter = MimeTypesHelper.GetFilenameFilter(true, false, false, false, false, false);
if (this.ofdConnection.ShowDialog() == DialogResult.OK)
{
try
{
IGraph cs = new Graph();
cs.LoadFromFile(this.ofdConnection.FileName);
IConnectionsGraph connections = new ConnectionsGraph(cs, this.ofdConnection.FileName);
OpenConnectionForm openConnections = new OpenConnectionForm(connections);
openConnections.MdiParent = this;
if (openConnections.ShowDialog() == DialogResult.OK)
{
Connection connection = openConnections.Connection;
ShowStoreManagerForm(connection);
}
}
catch (RdfParseException)
{
MessageBox.Show(Resources.OpenConnection_InvalidFile_Text, Resources.OpenConnection_Error_Title, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception ex)
{
MessageBox.Show(string.Format(Resources.OpenConnection_Error_Text, ex.Message), Resources.OpenConnection_Error_Title, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void mnuOpenConnection_Click(object sender, EventArgs e)
{
this.ofdConnection.Filter = MimeTypesHelper.GetFilenameFilter(true, false, false, false, false, false);
if (this.ofdConnection.ShowDialog() == DialogResult.OK)
{
try
{
Graph g = new Graph();
FileLoader.Load(g, this.ofdConnection.FileName);
OpenConnectionForm openConnections = new OpenConnectionForm(g);
openConnections.MdiParent = this;
if (openConnections.ShowDialog() == DialogResult.OK)
{
IStorageProvider manager = openConnections.Connection;
StoreManagerForm genManagerForm = new StoreManagerForm(manager);
genManagerForm.MdiParent = this;
genManagerForm.Show();
//Add to Recent Connections
this.AddRecentConnection(manager);
}
}
catch (RdfParseException)
{
MessageBox.Show("Unable to open a connection from the given file as it was not a valid RDF Graph or was in a format that the library does not understand", "Open Connection Failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception ex)
{
MessageBox.Show("Unable to open the given file due to the following error:\n" + ex.Message, "Open Connection Failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void btnBrowse_Click(object sender, EventArgs e)
{
this.sfdExport.Filter = MimeTypesHelper.GetFilenameFilter(false, false, true, false, false, false);
if (this.sfdExport.ShowDialog() == DialogResult.OK)
{
this.txtFile.Text = this.sfdExport.FileName;
}
}
private void btnLoadQuery_Click(object sender, EventArgs e)
{
this.ofdQuery.Filter = MimeTypesHelper.GetFilenameFilter(false, false, false, true, false, true);
if (this.ofdQuery.ShowDialog() == DialogResult.OK)
{
using (StreamReader reader = new StreamReader(this.ofdQuery.FileName))
{
this.txtSparqlQuery.Text = reader.ReadToEnd();
}
}
}
private void btnSaveQuery_Click(object sender, EventArgs e)
{
this.sfdQuery.Filter = MimeTypesHelper.GetFilenameFilter(false, false, false, true, false, true);
if (this.sfdQuery.ShowDialog() == DialogResult.OK)
{
using (StreamWriter writer = new StreamWriter(this.sfdQuery.FileName))
{
writer.Write(this.txtSparqlQuery.Text);
}
}
}
private void mnuSaveConnection_Click(object sender, EventArgs e)
{
if (this.ActiveMdiChild != null)
{
if (this.ActiveMdiChild is StoreManagerForm)
{
try
{
Connection connection = ((StoreManagerForm)this.ActiveMdiChild).Connection;
this.sfdConnection.Filter = MimeTypesHelper.GetFilenameFilter(true, false, false, false, false, false);
if (this.sfdConnection.ShowDialog() == DialogResult.OK)
{
//Append to existing configuration file or overwrite?
IGraph cs = new Graph();
if (File.Exists(this.sfdConnection.FileName))
{
DialogResult result = MessageBox.Show(Resources.SaveConnection_Append_Text, Resources.SaveConnection_Append_Title, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
switch (result)
{
case DialogResult.Yes:
// Load in existing connections
cs.LoadFromFile(this.sfdConnection.FileName);
break;
case DialogResult.No:
File.Delete(this.sfdConnection.FileName);
break;
default:
return;
}
}
// Open the connections file and add to it which automatically causes it to be saved
IConnectionsGraph connections = new ConnectionsGraph(cs, this.sfdConnection.FileName);
connections.Add(connection);
}
}
catch (Exception ex)
{
Program.HandleInternalError(Resources.SaveConnection_Error, ex);
}
}
else
{
this.mnuSaveConnection.Enabled = false;
}
}
else
{
this.mnuSaveConnection.Enabled = false;
}
}
public fclsSparqlGui()
{
InitializeComponent();
Constants.WindowIcon = this.Icon;
this._store = new TripleStore();
this._dataset = new InMemoryQuadDataset(this._store);
this._processor = new LeviathanQueryProcessor(this._dataset);
//Enable UTF-8 BOM setting if user set
Options.UseBomForUtf8 = false;
if (Properties.Settings.Default.UseUtf8Bom)
{
Options.UseBomForUtf8 = true;
this.chkUseUtf8Bom.Checked = true;
}
String temp = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
String sep = new String(new char[] { Path.DirectorySeparatorChar });
if (!temp.EndsWith(sep))
{
temp += sep;
}
temp = Path.Combine(temp, @"dotNetRDF\");
if (!System.IO.Directory.Exists(temp))
{
System.IO.Directory.CreateDirectory(temp);
}
temp = Path.Combine(temp, @"SparqlGUI\");
if (!System.IO.Directory.Exists(temp))
{
System.IO.Directory.CreateDirectory(temp);
}
this._logfile = Path.Combine(temp, "SparqlGui-" + DateTime.Now.ToString("MMM-yyyy") + ".log");
this.ofdBrowse.Filter = MimeTypesHelper.GetFilenameFilter(true, true, false, false, false, true);
this.ofdQuery.Filter = MimeTypesHelper.GetFilenameFilter(false, false, false, true, false, true);
}
private void mnuSaveConnection_Click(object sender, EventArgs e)
{
if (this.ActiveMdiChild != null)
{
if (this.ActiveMdiChild is StoreManagerForm)
{
Object manager;
if (this.ActiveMdiChild is StoreManagerForm)
{
manager = ((StoreManagerForm)this.ActiveMdiChild).Manager;
}
else
{
return;
}
if (manager is IConfigurationSerializable)
{
this.sfdConnection.Filter = MimeTypesHelper.GetFilenameFilter(true, false, false, false, false, false);
if (this.sfdConnection.ShowDialog() == DialogResult.OK)
{
//Append to existing configuration file or overwrite?
ConfigurationSerializationContext context;
if (File.Exists(this.sfdConnection.FileName))
{
DialogResult result = MessageBox.Show("The selected connection file already exists - would you like to append this connection to that file? Click Yes to append to this file, No to overwrite and Cancel to abort", "Append Connection?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
switch (result)
{
case DialogResult.Yes:
Graph g = new Graph();
FileLoader.Load(g, this.sfdConnection.FileName);
context = new ConfigurationSerializationContext(g);
break;
case DialogResult.No:
context = new ConfigurationSerializationContext();
break;
default:
return;
}
}
else
{
//Create new configuration file
context = new ConfigurationSerializationContext();
}
//Save the Connection
((IConfigurationSerializable)manager).SerializeConfiguration(context);
try
{
IRdfWriter writer = MimeTypesHelper.GetWriterByFileExtension(MimeTypesHelper.GetTrueFileExtension(this.sfdConnection.FileName));
writer.Save(context.Graph, this.sfdConnection.FileName);
}
catch (RdfWriterSelectionException)
{
CompressingTurtleWriter ttlwriter = new CompressingTurtleWriter(WriterCompressionLevel.High);
ttlwriter.Save(context.Graph, this.sfdConnection.FileName);
}
}
}
else
{
MessageBox.Show("Unable to save the current connection as it does not support this feature", "Save Unavailable", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
else
{
this.mnuSaveConnection.Enabled = false;
}
}
else
{
this.mnuSaveConnection.Enabled = false;
}
}