void QuitApplication ()
{
// FIXME: sometimes gtk+ error happens, such as, opening file and then quitting
// fix the proper way of quiting this app
for(int i = 0; i < dataSources.Count; i++) {
DataSourceConnection c = dataSources[i];
if (c.Connection.State == ConnectionState.Open)
c.Connection.Close ();
c.Dispose ();
}
dataSources.Clear ();
dataSources = null;
dataSource = null;
conn = null;
SqlWindowCount --;
if (SqlWindowCount == 0)
Application.Quit ();
else
win.Destroy ();
}
void OnDataSourceChanged (object o, EventArgs args)
{
ComboBox combo = o as ComboBox;
if (o == null)
return;
TreeIter iter;
if (combo.GetActiveIter (out iter)) {
if (!combo.Model.GetValue (iter, 0).Equals(NotConnected)) {
string datasourceName = combo.Model.GetValue (iter, 0).ToString();
dataSource = dataSources[datasourceName];
provider = dataSource.Provider;
conn = dataSource.Connection;
connectionString = dataSource.ConnectionString.GetConnectionString ();
}
}
SetFocusToEditor ();
}
void OnMenu_SessionDisconnectAll (object o, EventArgs args)
{
AppendText ("Disconnecting All...");
try {
for(int i = 0; i < dataSources.Count; i++) {
DataSourceConnection c = dataSources[i];
c.Connection.Close ();
}
dataSources.Clear ();
conn = null;
dataSource = null;
provider = null;
((ListStore) combo.Model).Clear ();
combo.AppendText (NotConnected);
combo.Active = 0;
tree.Clear ();
}
catch (Exception e) {
Error ("Error: Unable to disconnect." + e.Message);
conn = null;
return;
}
AppendText ("Disconnected.");
}
public bool OpenDataSource (Provider theProvider, string theConnectionString, string connectionName)
{
provider = theProvider;
connectionString = theConnectionString;
string msg;
msg = "Attempt to open connection...";
AppendText (msg);
conn = null;
try {
switch (provider.Name) {
case "System.Data.SqlClient":
conn = new SqlConnection ();
break;
case "System.Data.Odbc":
conn = new OdbcConnection ();
break;
case "System.Data.OleDb":
conn = new OleDbConnection ();
break;
default:
conn = provider.CreateConnection ();
break;
}
} catch (Exception e) {
msg = "Error: Unable to create Connection object. \n" +
"Check to make sure the provider is setup correctly in your config file. \n" +
e.Message;
Error (msg);
return false;
}
ConnectionString conString = new ConnectionString (connectionString);
conn.ConnectionString = connectionString;
try {
conn.Open ();
if( conn.State == ConnectionState.Open)
AppendText ("Open was successfull.");
else {
AppendText ("Error: Open failed.");
return false;
}
} catch (Exception e) {
msg = "Error: Could not open data source: " + e.Message;
Error (msg);
conn = null;
return false;
}
// database connected - do other things
//SetStatusBarText ("Connected.");
lastConnection++;
string dataSourceName = "";
if (connectionName.Equals(""))
dataSourceName = lastConnection.ToString () + ":" + provider.Name;
else
dataSourceName = lastConnection.ToString () + ":" + connectionName;
dataSource = new DataSourceConnection (dataSourceName, connectionName, provider, conString, conn);
dataSources.Add (dataSource);
combo.AppendText (dataSourceName);
ComboHelper.SetActiveText (combo, dataSourceName);
TreeIter iterDataSource = tree.Store.AppendValues (tree.RootIter, dataSourceName, "");
tree.Store.SetValue(iterDataSource, 1, "");
//string sz = tree.Store.GetValue(iterDataSource, 1).ToString();
//AppendText("sz: " + sz);
// TODO: only load meta data when the user expands a tree node
// or Refreshes
SetStatusBarText ("Getting Meta Data...");
while (Application.EventsPending ())
Application.RunIteration ();
PopulateTables (iterDataSource, provider, conn, true);
//PopulateViews (iterDataSource, provider, conn);
//PopulateProcedures (iterDataSource, provider, conn);
SetStatusBarText ("Connected.");
SetFocusToEditor ();
return true;
}
void OnMenu_SessionDisconnect (object o, EventArgs args)
{
AppendText ("Disconnecting...");
try {
if (combo.Active < 0)
return;
ListStore comboStore = (ListStore) combo.Model;
TreeIter comboIter;
comboStore.IterNthChild(out comboIter, combo.Active);
string dataSourceRemove = comboStore.GetValue (comboIter, 0).ToString();
if (dataSourceRemove.Equals(NotConnected))
return;
if (dataSourceRemove.Equals(""))
return;
TreeIter iter, iterParent;
string tvalue = "";
conn.Close ();
conn = null;
dataSources.Remove (dataSources[dataSourceRemove]);
dataSource = null;
provider = null;
comboStore.Remove (ref comboIter);
if (dataSources.Count > 0) {
dataSource = dataSources[0];
provider = dataSource.Provider;
conn = dataSource.Connection;
connectionString = dataSource.ConnectionString.GetConnectionString ();
ComboHelper.SetActiveText (combo, dataSource.Name);
// remove the selected connected data source from the left tree view
tree.Store.IterChildren (out iterParent);
tree.Store.IterChildren (out iter, iterParent);
GLib.Value v = GLib.Value.Empty;
tree.Store.GetValue (iter, 0, ref v);
tvalue = (string) v.Val;
if (tvalue.Equals (dataSourceRemove))
tree.Store.Remove (ref iter);
else {
bool found = tree.Store.IterNext (ref iter);
while (found == true) {
v = GLib.Value.Empty;
tree.Store.GetValue (iter, 0, ref v);
tvalue = (string) v.Val;
if (tvalue.Equals (dataSourceRemove)) {
tree.Store.Remove (ref iter);
found = false;
}
else
found = tree.Store.IterNext (ref iter);
}
}
}
else {
// removed last connected data source from tree view
comboStore.Clear ();
combo.AppendText (NotConnected);
combo.Active = 0;
tree.Store.IterChildren (out iterParent);
tree.Store.IterChildren (out iter, iterParent);
tree.Store.Remove (ref iter);
}
}
catch (Exception e) {
Error ("Error: Unable to disconnect." + e.Message);
conn = null;
return;
}
AppendText ("Disconnected.");
}
