TextEditorTables.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Documents / TextEditorTables.cs / 1305600 / TextEditorTables.cs
                        
                        
                            //---------------------------------------------------------------------------- 
//
// File: TextEditorTables.cs
//
// Copyright (C) Microsoft Corporation.  All rights reserved. 
//
// Description: A Component of TextEditor supporting Table editing commands 
// 
//---------------------------------------------------------------------------
 
namespace System.Windows.Documents
{
    using MS.Internal;
    using System.Globalization; 
    using System.Threading;
    using System.ComponentModel; 
    using System.Text; 
    using System.Collections; // ArrayList
    using System.Runtime.InteropServices; 

    using System.Windows.Threading;
    using System.Windows.Input;
    using System.Windows.Controls; // ScrollChangedEventArgs 
    using System.Windows.Controls.Primitives;  // CharacterCasing, TextBoxBase
    using System.Windows.Media; 
    using System.Windows.Markup; 

    using MS.Utility; 
    using MS.Win32;
    using MS.Internal.Documents;
    using MS.Internal.Commands; // CommandHelpers
 
    /// 
    /// Text editing service for controls. 
    ///  
    internal static class TextEditorTables
    { 
        //-----------------------------------------------------
        //
        //  Class Internal Methods
        // 
        //-----------------------------------------------------
 
        #region Class Internal Methods 

        // Registers all text editing command handlers for a given control type 
        internal static void _RegisterClassHandlers(Type controlType, bool registerEventListeners)
        {
            var onTableCommand = new ExecutedRoutedEventHandler(OnTableCommand);
            var onQueryStatusNYI = new CanExecuteRoutedEventHandler(OnQueryStatusNYI); 

            CommandHelpers.RegisterCommandHandler(controlType, EditingCommands.InsertTable   , onTableCommand, onQueryStatusNYI, SRID.KeyInsertTable, SRID.KeyInsertTableDisplayString); 
            CommandHelpers.RegisterCommandHandler(controlType, EditingCommands.InsertRows    , onTableCommand, onQueryStatusNYI, SRID.KeyInsertRows, SRID.KeyInsertRowsDisplayString); 
            CommandHelpers.RegisterCommandHandler(controlType, EditingCommands.InsertColumns , onTableCommand, onQueryStatusNYI, SRID.KeyInsertColumns, SRID.KeyInsertColumnsDisplayString);
            CommandHelpers.RegisterCommandHandler(controlType, EditingCommands.DeleteRows    , onTableCommand, onQueryStatusNYI, SRID.KeyDeleteRows, SRID.KeyDeleteRowsDisplayString); 
            CommandHelpers.RegisterCommandHandler(controlType, EditingCommands.DeleteColumns , onTableCommand, onQueryStatusNYI, SRID.KeyDeleteColumns, SRID.KeyDeleteColumnsDisplayString);
            CommandHelpers.RegisterCommandHandler(controlType, EditingCommands.MergeCells    , onTableCommand, onQueryStatusNYI, SRID.KeyMergeCells, SRID.KeyMergeCellsDisplayString);
            CommandHelpers.RegisterCommandHandler(controlType, EditingCommands.SplitCell     , onTableCommand, onQueryStatusNYI, SRID.KeySplitCell, SRID.KeySplitCellDisplayString);
        } 

        #endregion Class Internal Methods 
 
        //------------------------------------------------------
        // 
        //  Private Methods
        //
        //-----------------------------------------------------
 
        #region Private Methods
 
        private static void OnTableCommand(object target, ExecutedRoutedEventArgs args) 
        {
            TextEditor This = TextEditor._GetTextEditor(target); 

            if (This == null || !This._IsEnabled || This.IsReadOnly || !This.AcceptsRichContent || !(This.Selection is TextSelection))
            {
                return; 
            }
 
            TextEditorTyping._FlushPendingInputItems(This); 

            // Forget previously suggested horizontal position 
            TextEditorSelection._ClearSuggestedX(This);

            // Execute the command
            if (args.Command == EditingCommands.InsertTable) 
            {
                ((TextSelection)This.Selection).InsertTable(/*rowCount:*/4, /*columnCount:*/4); 
            } 
            else if (args.Command == EditingCommands.InsertRows)
            { 
                ((TextSelection)This.Selection).InsertRows(+1);
            }
            else if (args.Command == EditingCommands.InsertColumns)
            { 
                ((TextSelection)This.Selection).InsertColumns(+1);
            } 
            else if (args.Command == EditingCommands.DeleteRows) 
            {
                ((TextSelection)This.Selection).DeleteRows(); 
            }
            else if (args.Command == EditingCommands.DeleteColumns)
            {
                ((TextSelection)This.Selection).DeleteColumns(); 
            }
            else if (args.Command == EditingCommands.MergeCells) 
            { 
                ((TextSelection)This.Selection).MergeCells();
            } 
            else if (args.Command == EditingCommands.SplitCell)
            {
                ((TextSelection)This.Selection).SplitCell(1000, 1000); // Split all ways to possible maximum
            } 
        }
 
        // ---------------------------------------------------------- 
        //
        // Misceleneous Commands 
        //
        // ----------------------------------------------------------

        #region Misceleneous Commands 

        ///  
        /// StartInputCorrection command QueryStatus handler 
        /// 
        private static void OnQueryStatusNYI(object target, CanExecuteRoutedEventArgs args) 
        {
            TextEditor This = TextEditor._GetTextEditor(target);

            if (This == null) 
            {
                return; 
            } 

            args.CanExecute = true; 
        }

        #endregion Misceleneous Commands
 
        #endregion Private methods
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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TextEditorTables.cs source code in C# .NET

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