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// Copyright © 2008, 2010, Oracle and/or its affiliates. All rights reserved.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
// MySQL Connectors. There are special exceptions to the terms and
// conditions of the GPLv2 as it is applied to this software, see the
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using Microsoft.VisualStudio.Shell;
using System.Data.Common;
using MySql.Data.MySqlClient;
using IOleServiceProvider = Microsoft.VisualStudio.OLE.Interop.IServiceProvider;
using System.Globalization;
using System.IO;
namespace MySql.Data.VisualStudio.Editors
{
public partial class SqlEditor : BaseEditorControl
{
private DbConnection connection;
private DbProviderFactory factory;
public SqlEditor()
{
InitializeComponent();
factory = DbProviderFactories.GetFactory("MySql.Data.MySqlClient");
if (factory == null)
throw new Exception("MySql Data Provider is not correctly registered");
tabControl1.TabPages.Remove(resultsPage);
}
public SqlEditor(ServiceProvider sp) : this()
{
serviceProvider = sp;
codeEditor.Init(sp);
}
#region Overrides
protected override string GetFileFormatList()
{
return "MySQL Script Files (*.mysql)\n*.mysql\n\n";
}
protected override void SaveFile(string fileName)
{
using (StreamWriter writer = new StreamWriter(fileName, false))
{
writer.Write(codeEditor.Text);
}
}
protected override void LoadFile(string fileName)
{
if (!File.Exists(fileName)) return;
using (StreamReader reader = new StreamReader(fileName))
{
string sql = reader.ReadToEnd();
codeEditor.Text = sql;
}
}
protected override bool IsDirty
{
get { return codeEditor.IsDirty; }
set { codeEditor.IsDirty = value; }
}
#endregion
private void connectButton_Click(object sender, EventArgs e)
{
resultsPage.Hide();
ConnectDialog d = new ConnectDialog();
d.Connection = connection;
DialogResult r = d.ShowDialog();
if (r == DialogResult.Cancel) return;
connection = d.Connection;
UpdateButtons();
}
private void runSqlButton_Click(object sender, EventArgs e)
{
string sql = codeEditor.Text.Trim();
if (sql.StartsWith("SELECT", StringComparison.InvariantCultureIgnoreCase))
ExecuteSelect(sql);
else
ExecuteScript(sql);
}
private void ExecuteSelect(string sql)
{
tabControl1.TabPages.Clear();
MySqlDataAdapter da = new MySqlDataAdapter(sql, (MySqlConnection)connection);
DataTable dt = new DataTable();
try
{
da.Fill(dt);
tabControl1.TabPages.Add(resultsPage);
resultsGrid.DataSource = dt;
}
catch (Exception ex)
{
messages.Text = ex.Message;
}
finally
{
tabControl1.TabPages.Add(messagesPage);
}
}
private void ExecuteScript(string sql)
{
tabControl1.TabPages.Clear();
MySqlScript script = new MySqlScript((MySqlConnection)connection, sql);
try
{
int rows = script.Execute();
messages.Text = String.Format("{0} row(s) affected", rows);
}
catch (Exception ex)
{
messages.Text = ex.Message;
}
finally
{
tabControl1.TabPages.Add(messagesPage);
}
}
private void validateSqlButton_Click(object sender, EventArgs e)
{
}
private void disconnectButton_Click(object sender, EventArgs e)
{
connection.Close();
UpdateButtons();
}
private void UpdateButtons()
{
bool connected = connection.State == ConnectionState.Open;
runSqlButton.Enabled = connected;
// validateSqlButton.Enabled = connected;
disconnectButton.Enabled = connected;
connectButton.Enabled = !connected;
serverLabel.Text = String.Format("Server: {0}",
connected ? connection.ServerVersion : "<none>");
DbConnectionStringBuilder builder = factory.CreateConnectionStringBuilder();
builder.ConnectionString = connection.ConnectionString;
userLabel.Text = String.Format("User: {0}",
connected ? builder["userid"] as string : "<none>");
dbLabel.Text = String.Format("Database: {0}",
connected ? connection.Database : "<none>");
}
}
}
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