using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Tango.BL;
using Tango.MachineService.Filters;
using Tango.MachineService.Models;
using Tango.MachineService.Views.Downloads;
using Tango.Web.Helpers;
using System.Data.Entity;
using Tango.Web.Storage;
using System.IO;
using Microsoft.WindowsAzure.Storage.Blob;
using System.Net.Http;
using System.Net;
using System.Net.Http.Headers;
using System.Net.Mime;
namespace Tango.MachineService.Controllers
{
public class DownloadsController : Controller
{
[Authorize]
public ActionResult Index()
{
List<DownloadModel> downloads = new List<DownloadModel>();
using (ObservablesContext db = ObservablesContextHelper.CreateContext())
{
foreach (var item in db.MachineStudioVersions.Where(x => x.InstallerBlobName pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Windows;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media.TextFormatting;
using Tango.Scripting.Editors.Document;
using Tango.Scripting.Editors.Rendering;
using Tango.Scripting.Editors.Utils;
namespace Tango.Scripting.Editors.Editing
{
static class CaretNavigationCommandHandler
{
/// <summary>
/// Creates a new <see cref="TextAreaInputHandler"/> for the text area.
/// </summary>
public static TextAreaInputHandler Create(TextArea textArea)
{
TextAreaInputHandler handler = new TextAreaInputHandler(textArea);
handler.CommandBindings.AddRange(CommandBindings);
handler.InputBindings.AddRange(InputBindings);
return handler;
}
static readonly List<CommandBinding> CommandBindings = new List<CommandBinding>();
static readonly List<InputBinding> InputBindings = new List<InputBinding>();
static void AddBinding(ICommand command, ModifierKeys modifiers, Key key, ExecutedRoutedEventHandler handler)
{
CommandBindings.Add(new CommandBinding(command, handler));
InputBindings.Add(TextAreaDefaultInputHandler.CreateFrozenKeyBinding(command, modifiers, key));
}
static CaretNavigationCommandHandler()
{
const ModifierKeys None = ModifierKeys.None;
const ModifierKeys Ctrl = ModifierKeys.Control;
const ModifierKeys Shift = ModifierKeys.Shift;
const ModifierKeys Alt = ModifierKeys.Alt;
AddBinding(EditingCommands.MoveLeftByCharacter, None, Key.Left, OnMoveCaret(CaretMovementType.CharLeft));
AddBinding(EditingCommands.SelectLeftByCharacter, Shift, Key.Left, OnMoveCaretExtendSelection(CaretMovementType.CharLeft));
AddBinding(RectangleSelection.BoxSelectLeftByCharacter, Alt | Shift, Key.Left, OnMoveCaretBoxSelection(CaretMovementType.CharLeft));
AddBinding(EditingCommands.MoveRightByCharacter, None, Key.Right, OnMoveCaret(CaretMovementType.CharRight));
AddBinding(EditingCommands.SelectRightByCharacter, Shift, Key.Right, OnMoveCaretExtendSelection(CaretMovementType.CharRight));
AddBinding(RectangleSelection.BoxSelectRightByCharacter, Alt | Shift, Key.Right, OnMoveCaretBoxSelection(CaretMovementType.CharRight));
AddBinding(EditingCommands.MoveLeftByWord, Ctrl, Key.Left, OnMoveCaret(CaretMovementType.WordLeft));
AddBinding(EditingCommands.SelectLeftByWord, Ctrl | Shift, Key.Left, OnMoveCaretExtendSelection(CaretMovementType.WordLeft));
AddBinding(RectangleSelection.BoxSelectLeftByWord, Ctrl | Alt | Shift, Key.Left, OnMoveCaretBoxSelection(CaretMovementType.WordLeft));
AddBinding(EditingCommands.MoveRightByWord, Ctrl, Key.Right, OnMoveCaret(CaretMovementType.WordRight));
AddBinding(EditingCommands.SelectRightByWord, Ctrl | Shift, Key.Right, OnMoveCaretExtendSelection(CaretMovementType.WordRight));
AddBinding(RectangleSelection.BoxSelectRightByWord, Ctrl | Alt | Shift, Key.Right, OnMoveCaretBoxSelection(CaretMovementType.WordRight));
AddBinding(EditingCommands.MoveUpByLine, None, Key.Up, OnMoveCaret(CaretMovementType.LineUp));
AddBinding(EditingCommands.SelectUpByLine, Shift, Key.Up, OnMoveCaretExtendSelection(CaretMovementType.LineUp));
AddBinding(RectangleSelection.BoxSelectUpByLine, Alt | Shift, Key.Up, OnMoveCaretBoxSelection(CaretMovementType.LineUp));
AddBinding(EditingCommands.MoveDownByLine, None, Key.Down, OnMoveCaret(CaretMovementType.LineDown));
AddBinding(EditingCommands.SelectDownByLine, Shift, Key.Down, OnMoveCaretExtendSelection(CaretMovementType.LineDown));
AddBinding(RectangleSelection.BoxSelectDownByLine, Alt | Shift, Key.Down, OnMoveCaretBoxSelection(CaretMovementType.LineDown));
AddBinding(EditingCommands.MoveDownByPage, None, Key.PageDown, OnMoveCaret(CaretMovementType.PageDown));
AddBinding(EditingCommands.SelectDownByPage, Shift, Key.PageDown, OnMoveCaretExtendSelection(CaretMovementType.PageDown));
AddBinding(EditingCommands.MoveUpByPage, None, Key.PageUp, OnMoveCaret(CaretMovementType.PageUp));
AddBinding(EditingCommands.SelectUpByPage, Shift, Key.PageUp, OnMoveCaretExtendSelection(CaretMovementType.PageUp));
AddBinding(EditingCommands.MoveToLineStart, None, Key.Home, OnMoveCaret(CaretMovementType.LineStart));
AddBinding(EditingCommands.SelectToLineStart, Shift, Key.Home, OnMoveCaretExtendSelection(CaretMovementType.LineStart));
AddBinding(RectangleSelection.BoxSelectToLineStart, Alt | Shift, Key.Home, OnMoveCaretBoxSelection(CaretMovementType.LineStart));
AddBinding(EditingCommands.MoveToLineEnd, None, Key.End, OnMoveCaret(CaretMovementType.LineEnd));
AddBinding(EditingCommands.SelectToLineEnd, Shift, Key.End, OnMoveCaretExtendSelection(CaretMovementType.LineEnd));
AddBinding(RectangleSelection.BoxSelectToLineEnd, Alt | Shift, Key.End, OnMoveCaretBoxSelection(CaretMovementType.LineEnd));
AddBinding(EditingCommands.MoveToDocumentStart, Ctrl, Key.Home, OnMoveCaret(CaretMovementType.DocumentStart));
AddBinding(EditingCommands.SelectToDocumentStart, Ctrl | Shift, Key.Home, OnMoveCaretExtendSelection(CaretMovementType.DocumentStart));
AddBinding(EditingCommands.MoveToDocumentEnd, Ctrl, Key.End, OnMoveCaret(CaretMovementType.DocumentEnd));
AddBinding(EditingCommands.SelectToDocumentEnd, Ctrl | Shift, Key.End, OnMoveCaretExtendSelection(CaretMovementType.DocumentEnd));
CommandBindings.Add(new CommandBinding(ApplicationCommands.SelectAll, OnSelectAll));
TextAreaDefaultInputHandler.WorkaroundWPFMemoryLeak(InputBindings);
}
static void OnSelectAll(object target, ExecutedRoutedEventArgs args)
{
TextArea textArea = GetTextArea(target);
if (textArea != null && textArea.Document != null) {
args.Handled = true;
textArea.Caret.Offset = textArea.Document.TextLength;
textArea.Selection = SimpleSelection.Create(textArea, 0, textArea.Document.TextLength);
}
}
static TextArea GetTextArea(object target)
{
return target as TextArea;
}
enum CaretMovementType
{
CharLeft,
CharRight,
WordLeft,
WordRight,
LineUp,
LineDown,
PageUp,
PageDown,
LineStart,
LineEnd,
DocumentStart,
DocumentEnd
}
static ExecutedRoutedEventHandler OnMoveCaret(CaretMovementType direction)
{
return (target, args) => {
TextArea textArea = GetTextArea(target);
if (textArea != null && textArea.Document != null) {
args.Handled = true;
textArea.ClearSelection();
MoveCaret(textArea, direction);
textArea.Caret.BringCaretToView();
}
};
}
static ExecutedRoutedEventHandler OnMoveCaretExtendSelection(CaretMovementType direction)
{
return (target, args) => {
TextArea textArea = GetTextArea(target);
if (textArea != null && textArea.Document != null) {
args.Handled = true;
TextViewPosition oldPosition = textArea.Caret.Position;
MoveCaret(textArea, direction);
textArea.Selection = textArea.Selection.StartSelectionOrSetEndpoint(oldPosition, textArea.Caret.Position);
if (!textArea.Document.IsInUpdate) // if we're inside a larger update (e.g. called by EditingCommandHandler.OnDelete()), avoid calculating the caret rectangle now
textArea.Caret.BringCaretToView();
}
};
}
static ExecutedRoutedEventHandler OnMoveCaretBoxSelection(CaretMovementType direction)
{
return (target, args) => {
TextArea textArea = GetTextArea(target);
if (textArea != null && textArea.Document != null) {
args.Handled = true;
// First, convert the selection into a rectangle selection
// (this is required so that virtual space gets enabled for the caret movement)
if (textArea.Options.EnableRectangularSelection && !(textArea.Selection is RectangleSelection)) {
if (textArea.Selection.IsEmpty) {
textArea.Selection = new RectangleSelection(textArea, textArea.Caret.Position, textArea.Caret.Position);
} else {
// Convert normal selection to rectangle selection
textArea.Selection = new RectangleSelection(textArea, textArea.Selection.StartPosition, textArea.Caret.Position);
}
}
// Now move the caret and extend the selection
TextViewPosition oldPosition = textArea.Caret.Position;
MoveCaret(textArea, direction);
textArea.Selection = textArea.Selection.StartSelectionOrSetEndpoint(oldPosition, textArea.Caret.Position);
textArea.Caret.BringCaretToView();
}
};
}
#region Caret movement
static void MoveCaret(TextArea textArea, CaretMovementType direction)
{
DocumentLine caretLine = textArea.Document.GetLineByNumber(textArea.Caret.Line);
VisualLine visualLine = textArea.TextView.GetOrConstructVisualLine(caretLine);
TextViewPosition caretPosition = textArea.Caret.Position;
TextLine textLine = visualLine.GetTextLine(caretPosition.VisualColumn);
switch (direction) {
case CaretMovementType.CharLeft:
MoveCaretLeft(textArea, caretPosition, visualLine, CaretPositioningMode.Normal);
break;
case CaretMovementType.CharRight:
MoveCaretRight(textArea, caretPosition, visualLine, CaretPositioningMode.Normal);
break;
case CaretMovementType.WordLeft:
MoveCaretLeft(textArea, caretPosition, visualLine, CaretPositioningMode.WordStart);
break;
case CaretMovementType.WordRight:
MoveCaretRight(textArea, caretPosition, visualLine, CaretPositioningMode.WordStart);
break;
case CaretMovementType.LineUp:
case CaretMovementType.LineDown:
case CaretMovementType.PageUp:
case CaretMovementType.PageDown:
MoveCaretUpDown(textArea, direction, visualLine, textLine, caretPosition.VisualColumn);
break;
case CaretMovementType.DocumentStart:
SetCaretPosition(textArea, 0, 0);
break;
case CaretMovementType.DocumentEnd:
SetCaretPosition(textArea, -1, textArea.Document.TextLength);
break;
case CaretMovementType.LineStart:
MoveCaretToStartOfLine(textArea, visualLine);
break;
case CaretMovementType.LineEnd:
MoveCaretToEndOfLine(textArea, visualLine);
break;
default:
throw new NotSupportedException(direction.ToString());
}
}
#endregion
#region Home/End
static void MoveCaretToStartOfLine(TextArea textArea, VisualLine visualLine)
{
int newVC = visualLine.GetNextCaretPosition(-1, LogicalDirection.Forward, CaretPositioningMode.WordStart, textArea.Selection.EnableVirtualSpace);
if (newVC < 0)
throw ThrowUtil.NoValidCaretPosition();
// when the caret is already at the start of the text, jump to start before whitespace
if (newVC == textArea.Caret.VisualColumn)
newVC = 0;
int offset = visualLine.FirstDocumentLine.Offset + visualLine.GetRelativeOffset(newVC);
SetCaretPosition(textArea, newVC, offset);
}
static void MoveCaretToEndOfLine(TextArea textArea, VisualLine visualLine)
{
int newVC = visualLine.VisualLength;
int offset = visualLine.FirstDocumentLine.Offset + visualLine.GetRelativeOffset(newVC);
SetCaretPosition(textArea, newVC, offset);
}
#endregion
#region By-character / By-word movement
static void MoveCaretRight(TextArea textArea, TextViewPosition caretPosition, VisualLine visualLine, CaretPositioningMode mode)
{
int pos = visualLine.GetNextCaretPosition(caretPosition.VisualColumn, LogicalDirection.Forward, mode, textArea.Selection.EnableVirtualSpace);
if (pos >= 0) {
SetCaretPosition(textArea, pos, visualLine.GetRelativeOffset(pos) + visualLine.FirstDocumentLine.Offset);
} else {
// move to start of next line
DocumentLine nextDocumentLine = visualLine.LastDocumentLine.NextLine;
if (nextDocumentLine != null) {
VisualLine nextLine = textArea.TextView.GetOrConstructVisualLine(nextDocumentLine);
pos = nextLine.GetNextCaretPosition(-1, LogicalDirection.Forward, mode, textArea.Selection.EnableVirtualSpace);
if (pos < 0)
throw ThrowUtil.NoValidCaretPosition();
SetCaretPosition(textArea, pos, nextLine.GetRelativeOffset(pos) + nextLine.FirstDocumentLine.Offset);
} else {
// at end of document
Debug.Assert(visualLine.LastDocumentLine.Offset + visualLine.LastDocumentLine.TotalLength == textArea.Document.TextLength);
SetCaretPosition(textArea, -1, textArea.Document.TextLength);
}
}
}
static void MoveCaretLeft(TextArea textArea, TextViewPosition caretPosition, VisualLine visualLine, CaretPositioningMode mode)
{
int pos = visualLine.GetNextCaretPosition(caretPosition.VisualColumn, LogicalDirection.Backward, mode, textArea.Selection.EnableVirtualSpace);
if (pos >= 0) {
SetCaretPosition(textArea, pos, visualLine.GetRelativeOffset(pos) + visualLine.FirstDocumentLine.Offset);
} else {
// move to end of previous line
DocumentLine previousDocumentLine = visualLine.FirstDocumentLine.PreviousLine;
if (previousDocumentLine != null) {
VisualLine previousLine = textArea.TextView.GetOrConstructVisualLine(previousDocumentLine);
pos = previousLine.GetNextCaretPosition(previousLine.VisualLength + 1, LogicalDirection.Backward, mode, textArea.Selection.EnableVirtualSpace);
if (pos < 0)
throw ThrowUtil.NoValidCaretPosition();
SetCaretPosition(textArea, pos, previousLine.GetRelativeOffset(pos) + previousLine.FirstDocumentLine.Offset);
} else {
// at start of document
Debug.Assert(visualLine.FirstDocumentLine.Offset == 0);
SetCaretPosition(textArea, 0, 0);
}
}
}
#endregion
#region Line+Page up/down
static void MoveCaretUpDown(TextArea textArea, CaretMovementType direction, VisualLine visualLine, TextLine textLine, int caretVisualColumn)
{
// moving up/down happens using the desired visual X position
double xPos = textArea.Caret.DesiredXPos;
if (double.IsNaN(xPos))
xPos = visualLine.GetTextLineVisualXPosition(textLine, caretVisualColumn);
// now find the TextLine+VisualLine where the caret will end up in
VisualLine targetVisualLine = visualLine;
TextLine targetLine;
int textLineIndex = visualLine.TextLines.IndexOf(textLine);
switch (direction) {
case CaretMovementType.LineUp:
{
// Move up: move to the previous TextLine in the same visual line
// or move to the last TextLine of the previous visual line
int prevLineNumber = visualLine.FirstDocumentLine.LineNumber - 1;
if (textLineIndex > 0) {
targetLine = visualLine.TextLines[textLineIndex - 1];
} else if (prevLineNumber >= 1) {
DocumentLine prevLine = textArea.Document.GetLineByNumber(prevLineNumber);
targetVisualLine = textArea.TextView.GetOrConstructVisualLine(prevLine);
targetLine = targetVisualLine.TextLines[targetVisualLine.TextLines.Count - 1];
} else {
targetLine = null;
}
break;
}
case CaretMovementType.LineDown:
{
// Move down: move to the next TextLine in the same visual line
// or move to the first TextLine of the next visual line
int nextLineNumber = visualLine.LastDocumentLine.LineNumber + 1;
if (textLineIndex < visualLine.TextLines.Count - 1) {
targetLine = visualLine.TextLines[textLineIndex + 1];
} else if (nextLineNumber <= textArea.Document.LineCount) {
DocumentLine nextLine = textArea.Document.GetLineByNumber(nextLineNumber);
targetVisualLine = textArea.TextView.GetOrConstructVisualLine(nextLine);
targetLine = targetVisualLine.TextLines[0];
} else {
targetLine = null;
}
break;
}
case CaretMovementType.PageUp:
case CaretMovementType.PageDown:
{
// Page up/down: find the target line using its visual position
double yPos = visualLine.GetTextLineVisualYPosition(textLine, VisualYPosition.LineMiddle);
if (direction == CaretMovementType.PageUp)
yPos -= textArea.TextView.RenderSize.Height;
else
yPos += textArea.TextView.RenderSize.Height;
DocumentLine newLine = textArea.TextView.GetDocumentLineByVisualTop(yPos);
targetVisualLine = textArea.TextView.GetOrConstructVisualLine(newLine);
targetLine = targetVisualLine.GetTextLineByVisualYPosition(yPos);
break;
}
default:
throw new NotSupportedException(direction.ToString());
}
if (targetLine != null) {
double yPos = targetVisualLine.GetTextLineVisualYPosition(targetLine, VisualYPosition.LineMiddle);
int newVisualColumn = targetVisualLine.GetVisualColumn(new Point(xPos, yPos), textArea.Selection.EnableVirtualSpace);
SetCaretPosition(textArea, targetVisualLine, targetLine, newVisualColumn, false);
textArea.Caret.DesiredXPos = xPos;
}
}
#endregion
#region SetCaretPosition
static void SetCaretPosition(TextArea textArea, VisualLine targetVisualLine, TextLine targetLine,
int newVisualColumn, bool allowWrapToNextLine)
{
int targetLineStartCol = targetVisualLine.GetTextLineVisualStartColumn(targetLine);
if (!allowWrapToNextLine && newVisualColumn >= targetLineStartCol + targetLine.Length) {
if (newVisualColumn <= targetVisualLine.VisualLength)
newVisualColumn = targetLineStartCol + targetLine.Length - 1;
}
int newOffset = targetVisualLine.GetRelativeOffset(newVisualColumn) + targetVisualLine.FirstDocumentLine.Offset;
SetCaretPosition(textArea, newVisualColumn, newOffset);
}
static void SetCaretPosition(TextArea textArea, int newVisualColumn, int newOffset)
{
textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(newOffset), newVisualColumn);
textArea.Caret.DesiredXPos = double.NaN;
}
#endregion
}
}
