miniSql

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zgc123@gmail.com authored at 11/19/2023 1:40:15 AM
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Summary: 1 changed files with 1017 additions and 0 deletions.
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diff --git a/minisqlquery-master/src/MiniSqlQuery/QueryForm.cs b/minisqlquery-master/src/MiniSqlQuery/QueryForm.cs
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+#region License
+
+// Copyright 2005-2019 Paul Kohler (https://github.com/paulkohler/minisqlquery). All rights reserved.
+// This source code is made available under the terms of the GNU Lesser General Public License v3.0
+// https://github.com/paulkohler/minisqlquery/blob/master/LICENSE
+#endregion
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Drawing.Printing;
+using System.IO;
+using System.Windows.Forms;
+using ICSharpCode.TextEditor;
+using ICSharpCode.TextEditor.Document;
+using ICSharpCode.TextEditor.Gui.CompletionWindow;
+using MiniSqlQuery.Commands;
+using MiniSqlQuery.Core;
+using MiniSqlQuery.Core.Commands;
+using MiniSqlQuery.Properties;
+using WeifenLuo.WinFormsUI.Docking;
+
+namespace MiniSqlQuery
+{
+    /// <summary>The query form.</summary>
+    public partial class QueryForm : DockContent, IQueryEditor, IPrintableContent
+    {
+        /// <summary>The _host window.</summary>
+        private readonly IHostWindow _hostWindow;
+
+        /// <summary>The _services.</summary>
+        private readonly IApplicationServices _services;
+
+        /// <summary>The _settings.</summary>
+        private readonly IApplicationSettings _settings;
+
+        /// <summary>The _sync lock.</summary>
+        private static object _syncLock = new object();
+
+        /// <summary>Stores the widths of the columns for this window.</summary>
+        private Dictionary<string, int> _columnSizes = new Dictionary<string, int>();
+
+        /// <summary>When tru the grid is being resized on fill, used to avoid overriting column width values.</summary>
+        private bool _resizingGrid;
+
+        /// <summary>The _highlighting provider loaded.</summary>
+        private bool _highlightingProviderLoaded;
+
+        /// <summary>The _is dirty.</summary>
+        private bool _isDirty;
+
+        /// <summary>The _runner.</summary>
+        private QueryRunner _runner;
+
+        /// <summary>The status message for this window.</summary>
+        private string _status = string.Empty;
+
+        /// <summary>The row count for this window (tab dependent).</summary>
+        private int? _rowCount;
+
+        /// <summary>The _text find service.</summary>
+        private ITextFindService _textFindService;
+
+        private bool _cleaningTabs;
+
+        TextArea _textArea;
+        CodeCompletionWindow _completionWindow;
+
+        /// <summary>Initializes a new instance of the <see cref="QueryForm"/> class.</summary>
+        public QueryForm()
+        {
+            InitializeComponent();
+
+            txtQuery.ContextMenuStrip = contextMenuStripQuery;
+            LoadHighlightingProvider();
+            txtQuery.Document.DocumentChanged += DocumentDocumentChanged;
+            _textArea = txtQuery.ActiveTextAreaControl.TextArea;
+
+            contextMenuStripQuery.Items.Add(CommandControlBuilder.CreateToolStripMenuItem<ExecuteTaskCommand>());
+            contextMenuStripQuery.Items.Add(CommandControlBuilder.CreateToolStripMenuItem<CancelTaskCommand>());
+
+            editorContextMenuStrip.Items.Add(CommandControlBuilder.CreateToolStripMenuItem<SaveFileCommand>());
+            editorContextMenuStrip.Items.Add(CommandControlBuilder.CreateToolStripMenuItemSeparator());
+            editorContextMenuStrip.Items.Add(CommandControlBuilder.CreateToolStripMenuItem<CloseActiveWindowCommand>());
+            editorContextMenuStrip.Items.Add(CommandControlBuilder.CreateToolStripMenuItem<CloseAllWindowsCommand>());
+            editorContextMenuStrip.Items.Add(CommandControlBuilder.CreateToolStripMenuItem<CopyQueryEditorFileNameCommand>());
+
+            CommandControlBuilder.MonitorMenuItemsOpeningForEnabling(editorContextMenuStrip);
+        }
+
+        /// <summary>Initializes a new instance of the <see cref="QueryForm"/> class.</summary>
+        /// <param name="services">The services.</param>
+        /// <param name="settings">The settings.</param>
+        /// <param name="hostWindow">The host window.</param>
+        public QueryForm(IApplicationServices services, IApplicationSettings settings, IHostWindow hostWindow)
+            : this()
+        {
+            _services = services;
+            _settings = settings;
+            _hostWindow = hostWindow;
+
+            var completionProvider = _services.Resolve<ICompletionProvider>();
+            if (completionProvider.Enabled)
+            {
+                _textArea.KeyEventHandler += completionProvider.KeyEventHandlerFired;
+            }
+        }
+
+        public CodeCompletionWindow CodeCompletionWindow
+        {
+            get { return _completionWindow; }
+            set
+            {
+                _completionWindow = value;
+                if (_completionWindow != null)
+                {
+                    _completionWindow.Closed += CompletionWindowClosed;
+                }
+            }
+        }
+
+        private void CompletionWindowClosed(object sender, EventArgs e)
+        {
+            if (_completionWindow != null)
+            {
+                _completionWindow.Closed -= CompletionWindowClosed;
+                _completionWindow.Dispose();
+                _completionWindow = null;
+            }
+        }
+
+        /// <summary>Gets or sets AllText.</summary>
+        public string AllText
+        {
+            get { return txtQuery.Text; }
+            set { txtQuery.Text = value; }
+        }
+
+        /// <summary>
+        /// Gets a reference to the batch of queries.
+        /// </summary>
+        /// <value>The query batch.</value>
+        public QueryBatch Batch
+        {
+            get { return _runner == null ? null : _runner.Batch; }
+        }
+
+        /// <summary>Gets a value indicating whether CanReplaceText.</summary>
+        public bool CanReplaceText
+        {
+            get { return true; }
+        }
+
+        /// <summary>Gets or sets CursorColumn.</summary>
+        public int CursorColumn
+        {
+            get { return txtQuery.ActiveTextAreaControl.Caret.Column; }
+            set { txtQuery.ActiveTextAreaControl.Caret.Column = value; }
+        }
+
+        /// <summary>Gets or sets CursorLine.</summary>
+        public int CursorLine
+        {
+            get { return txtQuery.ActiveTextAreaControl.Caret.Line; }
+            set { txtQuery.ActiveTextAreaControl.Caret.Line = value; }
+        }
+
+        /// <summary>Gets CursorOffset.</summary>
+        public int CursorOffset
+        {
+            get { return txtQuery.ActiveTextAreaControl.Caret.Offset; }
+        }
+
+        /// <summary>Gets EditorControl.</summary>
+        public Control EditorControl
+        {
+            get { return txtQuery; }
+        }
+
+
+        /// <summary>Gets FileFilter.</summary>
+        public string FileFilter
+        {
+            get { return "SQL Files (*.sql)|*.sql|All Files (*.*)|*.*"; }
+        }
+
+        /// <summary>Gets or sets FileName.</summary>
+        public string FileName
+        {
+            get { return txtQuery.FileName; }
+            set
+            {
+                txtQuery.FileName = value;
+
+                SetTabTextByFilename();
+            }
+        }
+
+        /// <summary>Gets a value indicating whether IsBusy.</summary>
+        public bool IsBusy { get; private set; }
+
+        /// <summary>Gets or sets a value indicating whether IsDirty.</summary>
+        public bool IsDirty
+        {
+            get { return _isDirty; }
+            set
+            {
+                if (_isDirty != value)
+                {
+                    _isDirty = value;
+                    SetTabTextByFilename();
+                }
+            }
+        }
+
+        /// <summary>Gets PrintDocument.</summary>
+        public PrintDocument PrintDocument
+        {
+            get { return txtQuery.PrintDocument; }
+        }
+
+        /// <summary>Gets SelectedText.</summary>
+        public string SelectedText
+        {
+            get { return txtQuery.ActiveTextAreaControl.SelectionManager.SelectedText; }
+        }
+
+        /// <summary>Gets TextFindService.</summary>
+        public ITextFindService TextFindService
+        {
+            get
+            {
+                if (_textFindService == null)
+                {
+                    _textFindService = _services.Resolve<ITextFindService>();
+                }
+
+                return _textFindService;
+            }
+        }
+
+        /// <summary>Gets TotalLines.</summary>
+        public int TotalLines
+        {
+            get { return txtQuery.Document.TotalNumberOfLines; }
+        }
+
+        /// <summary>The execute query.</summary>
+        /// <param name="sql">The sql.</param>
+        public void ExecuteQuery(string sql)
+        {
+            if (IsBusy)
+            {
+                _hostWindow.DisplaySimpleMessageBox(this, "Please wait for the current operation to complete.", "Busy");
+                return;
+            }
+
+            if (_settings.ConnectionDefinition == null)
+            {
+                _hostWindow.DisplaySimpleMessageBox(this, "Please select a connection.", "Select a Connection");
+                return;
+            }
+
+            lock (_syncLock)
+            {
+                IsBusy = true;
+            }
+
+            _runner = QueryRunner.Create(_settings.ProviderFactory, _settings.ConnectionDefinition.ConnectionString, _settings.EnableQueryBatching, _settings.CommandTimeout);
+            UseWaitCursor = true;
+            queryBackgroundWorker.RunWorkerAsync(sql);
+        }
+
+        /// <summary>The load highlighting provider.</summary>
+        public void LoadHighlightingProvider()
+        {
+            if (_highlightingProviderLoaded)
+            {
+                return;
+            }
+
+            // see: http://wiki.sharpdevelop.net/Syntax%20highlighting.ashx
+            string dir = Path.GetDirectoryName(GetType().Assembly.Location);
+            FileSyntaxModeProvider fsmProvider = new FileSyntaxModeProvider(dir);
+            HighlightingManager.Manager.AddSyntaxModeFileProvider(fsmProvider); // Attach to the text editor.
+            txtQuery.SetHighlighting("SQL");
+            _highlightingProviderLoaded = true;
+        }
+
+        /// <summary>The clear selection.</summary>
+        public void ClearSelection()
+        {
+            txtQuery.ActiveTextAreaControl.SelectionManager.ClearSelection();
+        }
+
+        /// <summary>The highlight string.</summary>
+        /// <param name="offset">The offset.</param>
+        /// <param name="length">The length.</param>
+        public void HighlightString(int offset, int length)
+        {
+            if (offset < 0 || length < 1)
+            {
+                return;
+            }
+
+            int endPos = offset + length;
+            txtQuery.ActiveTextAreaControl.SelectionManager.SetSelection(
+                txtQuery.Document.OffsetToPosition(offset),
+                txtQuery.Document.OffsetToPosition(endPos));
+            SetCursorByOffset(endPos);
+        }
+
+        /// <summary>The insert text.</summary>
+        /// <param name="text">The text.</param>
+        public void InsertText(string text)
+        {
+            if (string.IsNullOrEmpty(text))
+            {
+                return;
+            }
+
+            int offset = txtQuery.ActiveTextAreaControl.Caret.Offset;
+
+            // if some text is selected we want to replace it
+            if (txtQuery.ActiveTextAreaControl.SelectionManager.IsSelected(offset))
+            {
+                offset = txtQuery.ActiveTextAreaControl.SelectionManager.SelectionCollection[0].Offset;
+                txtQuery.ActiveTextAreaControl.SelectionManager.RemoveSelectedText();
+            }
+
+            txtQuery.Document.Insert(offset, text);
+            int newOffset = offset + text.Length; // new offset at end of inserted text
+
+            // now reposition the caret if required to be after the inserted text
+            if (CursorOffset != newOffset)
+            {
+                SetCursorByOffset(newOffset);
+            }
+
+            txtQuery.Focus();
+        }
+
+        /// <summary>The load file.</summary>
+        public void LoadFile()
+        {
+            txtQuery.LoadFile(FileName);
+            IsDirty = false;
+        }
+
+        /// <summary>The save file.</summary>
+        /// <exception cref="InvalidOperationException"></exception>
+        public void SaveFile()
+        {
+            if (FileName == null)
+            {
+                throw new InvalidOperationException("The 'FileName' cannot be null");
+            }
+
+            txtQuery.SaveFile(FileName);
+            IsDirty = false;
+        }
+
+        /// <summary>The set syntax.</summary>
+        /// <param name="name">The name.</param>
+        public void SetSyntax(string name)
+        {
+            LoadHighlightingProvider();
+            txtQuery.SetHighlighting(name);
+        }
+
+
+        /// <summary>The find string.</summary>
+        /// <param name="value">The value.</param>
+        /// <param name="startIndex">The start index.</param>
+        /// <param name="comparisonType">The comparison type.</param>
+        /// <returns>The find string.</returns>
+        public int FindString(string value, int startIndex, StringComparison comparisonType)
+        {
+            if (string.IsNullOrEmpty(value) || startIndex < 0)
+            {
+                return -1;
+            }
+
+            string text = AllText;
+            int pos = text.IndexOf(value, startIndex, comparisonType);
+            if (pos > -1)
+            {
+                ClearSelection();
+                HighlightString(pos, value.Length);
+            }
+
+            return pos;
+        }
+
+        /// <summary>The replace string.</summary>
+        /// <param name="value">The value.</param>
+        /// <param name="startIndex">The start index.</param>
+        /// <param name="length">The length.</param>
+        /// <returns>The replace string.</returns>
+        public bool ReplaceString(string value, int startIndex, int length)
+        {
+            if (value == null || startIndex < 0 || length < 0)
+            {
+                return false;
+            }
+
+            if ((startIndex + length) > AllText.Length)
+            {
+                return false;
+            }
+
+            txtQuery.Document.Replace(startIndex, length, value);
+
+            return true;
+        }
+
+        /// <summary>The set text find service.</summary>
+        /// <param name="textFindService">The text find service.</param>
+        public void SetTextFindService(ITextFindService textFindService)
+        {
+            // accept nulls infering a reset
+            _textFindService = textFindService;
+        }
+
+        /// <summary>The set cursor by location.</summary>
+        /// <param name="line">The line.</param>
+        /// <param name="column">The column.</param>
+        /// <returns>The set cursor by location.</returns>
+        public bool SetCursorByLocation(int line, int column)
+        {
+            if (line > TotalLines)
+            {
+                return false;
+            }
+
+            txtQuery.ActiveTextAreaControl.Caret.Line = line;
+            txtQuery.ActiveTextAreaControl.Caret.Column = column;
+
+            return true;
+        }
+
+        /// <summary>The set cursor by offset.</summary>
+        /// <param name="offset">The offset.</param>
+        /// <returns>The set cursor by offset.</returns>
+        public bool SetCursorByOffset(int offset)
+        {
+            if (offset >= 0)
+            {
+                txtQuery.ActiveTextAreaControl.Caret.Position = txtQuery.Document.OffsetToPosition(offset);
+                return true;
+            }
+
+            return false;
+        }
+
+        /// <summary>The cancel task.</summary>
+        public void CancelTask()
+        {
+            if (queryBackgroundWorker.IsBusy && _runner != null)
+            {
+                _runner.Cancel();
+            }
+        }
+
+        /// <summary>The execute task.</summary>
+        public void ExecuteTask()
+        {
+            if (!string.IsNullOrEmpty(SelectedText))
+            {
+                ExecuteQuery(SelectedText);
+            }
+            else
+            {
+                ExecuteQuery(AllText);
+            }
+        }
+
+        /// <summary>The set status.</summary>
+        /// <param name="text">The text.</param>
+        public void SetStatus(string text)
+        {
+            _status = text;
+            UpdateHostStatus();
+        }
+
+        public void SetRowCount(int? rows)
+        {
+            _rowCount = rows;
+            UpdateHostStatus();
+        }
+
+        /// <summary>The create default font.</summary>
+        /// <returns></returns>
+        protected Font CreateDefaultFont()
+        {
+            return new Font("Courier New", 8.25F, FontStyle.Regular, GraphicsUnit.Point);
+        }
+
+        /// <summary>The update host status.</summary>
+        protected void UpdateHostStatus()
+        {
+            _hostWindow.SetStatus(this, _status);
+            _hostWindow.SetResultCount(this, _rowCount);
+        }
+
+        /// <summary>The create query complete message.</summary>
+        /// <param name="start">The start.</param>
+        /// <param name="end">The end.</param>
+        /// <returns>The create query complete message.</returns>
+        private static string CreateQueryCompleteMessage(DateTime start, DateTime end)
+        {
+            TimeSpan ts = end.Subtract(start);
+            string msg = string.Format(
+                "Query complete, {0:00}:{1:00}.{2:000}",
+                ts.Minutes,
+                ts.Seconds,
+                ts.Milliseconds);
+            return msg;
+        }
+
+        /// <summary>The add tables.</summary>
+        private void AddTables()
+        {
+            ClearGridsAndTabs();
+            SetRowCount(null);
+
+            if (Batch != null)
+            {
+                string nullText = _settings.NullText;
+                int counter = 1;
+
+                _resizingGrid = true;
+
+                foreach (Query query in Batch.Queries)
+                {
+                    DataSet ds = query.Result;
+                    if (ds != null)
+                    {
+                        foreach (DataTable dt in ds.Tables)
+                        {
+                            DataGridView grid = new DataGridView();
+                            DataGridViewCellStyle cellStyle = new DataGridViewCellStyle();
+
+                            grid.AllowUserToAddRows = false;
+                            grid.AllowUserToDeleteRows = false;
+                            grid.Dock = DockStyle.Fill;
+                            grid.Name = "gridResults_" + counter;
+                            grid.ReadOnly = true;
+                            grid.DataSource = dt;
+                            grid.DataError += GridDataError;
+                            grid.DefaultCellStyle = cellStyle;
+                            cellStyle.NullValue = nullText;
+                            cellStyle.Font = CreateDefaultFont();
+                            grid.DataBindingComplete += GridDataBindingComplete;
+                            grid.Disposed += GridDisposed;
+                            grid.ColumnWidthChanged += OnColumnWidthChanged;
+
+
+                            TabPage tabPage = new TabPage();
+                            tabPage.Controls.Add(grid);
+                            tabPage.Name = "tabPageResults_" + counter;
+                            tabPage.Padding = new Padding(3);
+                            tabPage.Text = string.Format("{0}/Table {1}", ds.DataSetName, counter);
+                            tabPage.UseVisualStyleBackColor = false;
+
+                            _resultsTabControl.TabPages.Add(tabPage);
+
+                            // create a reasonable default max width for columns
+                            int maxColWidth = Math.Max(grid.ClientSize.Width / 2, 100);
+
+                            // Autosize the columns then change the widths, gleaned from SO - http://stackoverflow.com/a/1031871/276563
+                            grid.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.DisplayedCells);
+                            for (int i = 0; i < grid.Columns.Count; i++)
+                            {
+                                int columnWidth = grid.Columns[i].Width;
+                                grid.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.None;
+
+                                string headerText = grid.Columns[i].HeaderText;
+                                if (!string.IsNullOrEmpty(headerText) && _columnSizes.ContainsKey(headerText))
+                                {
+                                    // use the previous column size in case its been adjusted etc
+                                    grid.Columns[i].Width = _columnSizes[headerText];
+                                }
+                                else
+                                {
+                                    // reset to a the smaller of the 2 sizes, this is mainly for the bigger text columns that throw the size out
+                                    grid.Columns[i].Width = Math.Min(columnWidth, maxColWidth);
+
+                                    if (!string.IsNullOrEmpty(headerText))
+                                    {
+                                        _columnSizes[headerText] = grid.Columns[i].Width;
+                                    }
+                                }
+                            }
+
+                            // set the row count for the first tab for now.
+                            if (counter == 1)
+                            {
+                                SetRowCount(dt.Rows.Count);
+                            }
+
+                            counter++;
+                        }
+                    }
+                }
+
+                if (!string.IsNullOrEmpty(Batch.Messages))
+                {
+                    RichTextBox rtf = new RichTextBox();
+                    rtf.Font = CreateDefaultFont();
+                    rtf.Dock = DockStyle.Fill;
+                    rtf.ScrollBars = RichTextBoxScrollBars.ForcedBoth;
+                    rtf.Text = Batch.Messages;
+
+                    TabPage tabPage = new TabPage();
+                    tabPage.Controls.Add(rtf);
+                    tabPage.Name = "tabPageResults_Messages";
+                    tabPage.Padding = new Padding(3);
+                    tabPage.Dock = DockStyle.Fill;
+                    tabPage.Text = Resources.Messages;
+                    tabPage.UseVisualStyleBackColor = false;
+
+                    _resultsTabControl.TabPages.Add(tabPage);
+                }
+
+                _resizingGrid = false;
+            }
+        }
+
+        public void OnColumnWidthChanged(object sender, DataGridViewColumnEventArgs e)
+        {
+            if (_resizingGrid)
+            {
+                return;
+            }
+
+            string headerText = e.Column.HeaderText;
+            if (!string.IsNullOrEmpty(headerText))
+            {
+                _columnSizes[headerText] = e.Column.Width;
+            }
+        }
+
+        /// <summary>Iterate backweards through list of tabs disposing grid and removing the tab page.</summary>
+        private void ClearGridsAndTabs()
+        {
+            try
+            {
+                _cleaningTabs = true;
+
+                for (int i = _resultsTabControl.TabPages.Count - 1; i >= 0; i--)
+                {
+                    TabPage tabPage = _resultsTabControl.TabPages[i];
+                    if (tabPage.Controls.Count > 0)
+                    {
+                        tabPage.Controls[0].Dispose(); // dispose grid
+                    }
+
+                    _resultsTabControl.TabPages.Remove(tabPage);
+                    tabPage.Dispose();
+                }
+            }
+            finally
+            {
+                _cleaningTabs = false;
+            }
+        }
+
+        private void SetResultCountOnTabSelectedIndexChanged(object sender, EventArgs e)
+        {
+            if (_cleaningTabs)
+            {
+                return;
+            }
+
+            // get the tab
+            var tabPage = _resultsTabControl.TabPages[_resultsTabControl.SelectedIndex];
+
+            // get the grid control, should be first
+            var dataGridView = tabPage.Controls[0] as DataGridView;
+
+            // default to blank row count
+            int? rows = null;
+            if (dataGridView != null)
+            {
+                var data = dataGridView.DataSource as DataTable;
+                if (data != null)
+                {
+                    rows = data.Rows.Count;
+                }
+            }
+            _rowCount = rows;
+
+            UpdateHostStatus();
+        }
+
+        /// <summary>The document document changed.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void DocumentDocumentChanged(object sender, DocumentEventArgs e)
+        {
+            IsDirty = true;
+        }
+
+        /// <summary>Change the format style of date time columns. This has to be done post-bind.</summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void GridDataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e)
+        {
+            DataGridView grid = sender as DataGridView;
+            if (grid == null)
+            {
+                return;
+            }
+
+            DataTable dt = grid.DataSource as DataTable;
+            if (dt == null)
+            {
+                return;
+            }
+
+            string nullText = _settings.NullText;
+            string dateTimeFormat = _settings.DateTimeFormat;
+
+            for (int i = 0; i < dt.Columns.Count; i++)
+            {
+                if (dt.Columns[i].DataType == typeof(DateTime))
+                {
+                    DataGridViewCellStyle dateCellStyle = new DataGridViewCellStyle();
+                    dateCellStyle.NullValue = nullText;
+                    dateCellStyle.Format = dateTimeFormat;
+                    grid.Columns[i].DefaultCellStyle = dateCellStyle;
+                }
+            }
+        }
+
+        /// <summary>The grid data error.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void GridDataError(object sender, DataGridViewDataErrorEventArgs e)
+        {
+            e.ThrowException = false;
+        }
+
+        /// <summary>Clean up event subscriptions.</summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void GridDisposed(object sender, EventArgs e)
+        {
+            DataGridView grid = sender as DataGridView;
+            if (grid == null)
+            {
+                return;
+            }
+
+            grid.DataBindingComplete -= GridDataBindingComplete;
+            grid.Disposed -= GridDisposed;
+            grid.ColumnWidthChanged -= OnColumnWidthChanged;
+        }
+
+        /// <summary>The query form_ activated.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void QueryForm_Activated(object sender, EventArgs e)
+        {
+            UpdateHostStatus();
+        }
+
+        /// <summary>The query form_ deactivate.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void QueryForm_Deactivate(object sender, EventArgs e)
+        {
+            _hostWindow.SetStatus(this, string.Empty);
+        }
+
+        /// <summary>The query form_ form closing.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void QueryForm_FormClosing(object sender, FormClosingEventArgs e)
+        {
+            if (_isDirty)
+            {
+                DialogResult saveFile = _hostWindow.DisplayMessageBox(
+                    this,
+                    "Contents changed, do you want to save the file?\r\n" + TabText, "Save Changes?",
+                    MessageBoxButtons.YesNoCancel,
+                    MessageBoxIcon.Question,
+                    MessageBoxDefaultButton.Button1,
+                    0,
+                    null,
+                    null);
+
+                if (saveFile == DialogResult.Cancel)
+                {
+                    e.Cancel = true;
+                }
+                else if (saveFile == DialogResult.Yes)
+                {
+                    CommandManager.GetCommandInstance<SaveFileCommand>().Execute();
+                }
+            }
+        }
+
+        /// <summary>The query form_ load.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void QueryForm_Load(object sender, EventArgs e)
+        {
+        }
+
+        /// <summary>The runner batch progress.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void RunnerBatchProgress(object sender, BatchProgressEventArgs e)
+        {
+            // push the progress % through to the background worker
+            decimal i = Math.Max(1, e.Index);
+            decimal count = Math.Max(1, e.Count);
+            queryBackgroundWorker.ReportProgress(Convert.ToInt32(i / count * 100m));
+        }
+
+        /// <summary>The set tab text by filename.</summary>
+        private void SetTabTextByFilename()
+        {
+            string dirty = string.Empty;
+            string text = "Untitled";
+            string tabtext;
+
+            if (_isDirty)
+            {
+                dirty = " *";
+            }
+
+            if (txtQuery.FileName != null)
+            {
+                text = FileName;
+                tabtext = Path.GetFileName(FileName);
+            }
+            else
+            {
+                text += _settings.GetUntitledDocumentCounter();
+                tabtext = text;
+            }
+
+            TabText = tabtext + dirty;
+            ToolTipText = text + dirty;
+        }
+
+        /// <summary>The copy tool strip menu item_ click.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void copyToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            CopyForm win = null;
+
+            try
+            {
+                DataGridView grid = (DataGridView)_resultsTabControl.SelectedTab.Controls[0];
+
+                if (grid.SelectedCells.Count == 0)
+                {
+                    return;
+                }
+
+                win = new CopyForm();
+
+                if (win.ShowDialog() == DialogResult.Cancel)
+                {
+                    return;
+                }
+
+                SortedList headers = new SortedList();
+                SortedList rows = new SortedList();
+
+                string delimiter = win.Delimiter;
+                string line = string.Empty;
+
+                for (int i = 0; i < grid.SelectedCells.Count; i++)
+                {
+                    DataGridViewCell cell = grid.SelectedCells[i];
+                    DataGridViewColumn col = cell.OwningColumn;
+
+                    if (!headers.ContainsKey(col.Index))
+                    {
+                        headers.Add(col.Index, col.Name);
+                    }
+
+                    if (!rows.ContainsKey(cell.RowIndex))
+                    {
+                        rows.Add(cell.RowIndex, cell.RowIndex);
+                    }
+                }
+
+                if (win.IncludeHeaders)
+                {
+                    for (int i = 0; i < headers.Count; i++)
+                    {
+                        line += (string)headers.GetByIndex(i);
+                        if (i != headers.Count)
+                        {
+                            line += delimiter;
+                        }
+                    }
+
+                    line += "\r\n";
+                }
+
+                for (int i = 0; i < rows.Count; i++)
+                {
+                    DataGridViewRow row = grid.Rows[(int)rows.GetKey(i)];
+                    DataGridViewCellCollection cells = row.Cells;
+
+                    for (int j = 0; j < headers.Count; j++)
+                    {
+                        DataGridViewCell cell = cells[(int)headers.GetKey(j)];
+
+                        if (cell.Selected)
+                        {
+                            line += cell.Value;
+                        }
+
+                        if (j != (headers.Count - 1))
+                        {
+                            line += delimiter;
+                        }
+                    }
+
+                    line += "\r\n";
+                }
+
+                if (!string.IsNullOrEmpty(line))
+                {
+                    Clipboard.Clear();
+                    Clipboard.SetText(line);
+
+                    _hostWindow.SetStatus(this, "Selected data has been copied to your clipboard");
+                }
+            }
+            finally
+            {
+                if (win != null)
+                {
+                    win.Dispose();
+                }
+            }
+        }
+
+        /// <summary>The query background worker_ do work.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void queryBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
+        {
+            string sql = (string)e.Argument;
+            _runner.BatchProgress += RunnerBatchProgress;
+            _runner.ExecuteQuery(sql);
+        }
+
+        /// <summary>The query background worker_ progress changed.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void queryBackgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
+        {
+            SetStatus(string.Format("Processing batch {0}%...", e.ProgressPercentage));
+        }
+
+        /// <summary>The query background worker_ run worker completed.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void queryBackgroundWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
+        {
+            try
+            {
+                _runner.BatchProgress -= RunnerBatchProgress;
+                if (e.Error != null)
+                {
+                    // todo: improve!
+                    _hostWindow.DisplaySimpleMessageBox(this, e.Error.Message, "Error");
+                    SetStatus(e.Error.Message);
+                }
+                else
+                {
+                    _hostWindow.SetPointerState(Cursors.Default);
+                    string message = CreateQueryCompleteMessage(_runner.Batch.StartTime, _runner.Batch.EndTime);
+                    if (_runner.Exception != null)
+                    {
+                        message = "ERROR - " + message;
+                    }
+
+                    AddTables();
+                    SetStatus(message);
+                    txtQuery.Focus();
+                }
+            }
+            finally
+            {
+                UseWaitCursor = false;
+                lock (_syncLock)
+                {
+                    IsBusy = false;
+                }
+            }
+        }
+
+        /// <summary>The select all tool strip menu item_ click.</summary>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">The e.</param>
+        private void selectAllToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            DataGridView grid = (DataGridView)_resultsTabControl.SelectedTab.Controls[0];
+            grid.SelectAll();
+        }
+    }
+}
\ No newline at end of file