internal bool HandleViewCommand(Command command)
{
bool flag = false;
bool flag2 = false;
bool isSelecting = false;
bool flag4 = false;
if (command.CommandGroup == typeof(TextBufferCommands))
{
int num3;
int lineIndex;
TextBufferLocation location;
int num5;
switch (command.CommandID)
{
case 30:
if (this._location.ColumnIndex >= this._location.Line.Length)
{
if (this._location.LineIndex < (this._buffer.LineCount - 1))
{
this._location.MoveDown(1);
this._location.ColumnIndex = 0;
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.SetSmartCursorIndex();
}
else if (!((TextBufferCommand) command).IsSelecting)
{
flag2 = true;
}
}
else
{
this._location.ColumnIndex++;
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.SetSmartCursorIndex();
}
flag4 = true;
goto Label_0C3E;
case 0x1f:
if (this._location.ColumnIndex <= 0)
{
if (this._location.LineIndex > 0)
{
this._location.MoveUp(1);
this._location.ColumnIndex = this._location.Line.Length;
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.SetSmartCursorIndex();
}
else if (!((TextBufferCommand) command).IsSelecting)
{
flag2 = true;
}
}
else
{
this._location.ColumnIndex--;
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.SetSmartCursorIndex();
}
flag4 = true;
goto Label_0C3E;
case 0x20:
{
isSelecting = ((TextBufferCommand) command).IsSelecting;
TextBufferLocation location2 = this._location.Clone();
TextBufferSpan wordSpan = null;
try
{
wordSpan = this.TextLanguage.GetWordSpan(location2, WordType.Next);
if (wordSpan != null)
{
this._location.MoveTo(wordSpan.Start);
flag = true;
this.SetSmartCursorIndex();
}
}
finally
{
location2.Dispose();
if (wordSpan != null)
{
wordSpan.Dispose();
}
}
flag4 = true;
goto Label_0C3E;
}
case 0x21:
{
isSelecting = ((TextBufferCommand) command).IsSelecting;
TextBufferLocation location3 = this._location.Clone();
TextBufferSpan span2 = null;
try
{
span2 = this.TextLanguage.GetWordSpan(location3, WordType.Previous);
if (span2 != null)
{
this._location.MoveTo(span2.Start);
flag = true;
this.SetSmartCursorIndex();
}
}
finally
{
location3.Dispose();
if (span2 != null)
{
span2.Dispose();
}
}
flag4 = true;
goto Label_0C3E;
}
case 0x22:
{
int columnIndex = this._location.ColumnIndex;
if (this.MoveToFirstCharIndex(this._location) == columnIndex)
{
this._location.ColumnIndex = 0;
}
if (columnIndex != this._location.ColumnIndex)
{
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.SetSmartCursorIndex();
}
else
{
if (!((TextBufferCommand) command).IsSelecting)
{
flag2 = true;
}
this.SetSmartCursorIndex();
}
flag4 = true;
goto Label_0C3E;
}
case 0x23:
{
int length = this._location.Line.Length;
if (this._location.ColumnIndex == length)
{
if (!((TextBufferCommand) command).IsSelecting)
{
flag2 = true;
}
this.SetSmartCursorIndex();
}
else
{
this._location.ColumnIndex = this._location.Line.Length;
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.SetSmartCursorIndex();
}
flag4 = true;
goto Label_0C3E;
}
case 0x24:
if (this._location.LineIndex >= this._buffer.LineCount)
{
if (!((TextBufferCommand) command).IsSelecting)
{
flag2 = true;
}
}
else
{
this._location.MoveDown(1);
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.DoSmartCursorMovement();
}
flag4 = true;
goto Label_0C3E;
case 0x25:
if (this._location.LineIndex <= 0)
{
if (!((TextBufferCommand) command).IsSelecting)
{
flag2 = true;
}
}
else
{
this._location.MoveUp(1);
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.DoSmartCursorMovement();
}
flag4 = true;
goto Label_0C3E;
case 0x26:
num3 = 0;
lineIndex = this._location.LineIndex;
if ((lineIndex < this.ViewTopLineNumber) || (lineIndex > (this.ViewTopLineNumber + this.VisibleLines)))
{
num3 = this.VisibleLines / 2;
}
else
{
num3 = this._location.LineIndex - this.ViewTopLineNumber;
}
if (this._location.MoveDown(this._visibleLines) != 0)
{
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.DoSmartCursorMovement();
this.ViewTopLineNumber = Math.Max(Math.Min((int) (this._location.LineIndex - num3), (int) (this._buffer.LineCount - this._visibleLines)), 0);
}
flag4 = true;
goto Label_0C3E;
case 0x27:
lineIndex = this._location.LineIndex;
if ((lineIndex < this.ViewTopLineNumber) || (lineIndex > (this.ViewTopLineNumber + this.VisibleLines)))
{
num3 = this.VisibleLines / 2;
}
else
{
num3 = Math.Min((int) (this.VisibleLines - 1), (int) (this._location.LineIndex - this.ViewTopLineNumber));
}
if (this._location.MoveUp(this._visibleLines) != 0)
{
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.DoSmartCursorMovement();
this.ViewTopLineNumber = Math.Max(this._location.LineIndex - num3, 0);
}
flag4 = true;
goto Label_0C3E;
case 40:
this._location.MoveTo(this._buffer.Last);
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.SetSmartCursorIndex();
flag4 = true;
goto Label_0C3E;
case 0x29:
this._location.MoveTo(this._buffer.First);
flag = true;
isSelecting = ((TextBufferCommand) command).IsSelecting;
this.SetSmartCursorIndex();
flag4 = true;
goto Label_0C3E;
case 0x2a:
{
isSelecting = ((TextBufferCommand) command).IsSelecting;
Point commandPosition = ((TextBufferCommand) command).CommandPosition;
this._location.GotoLineColumn(commandPosition.X, commandPosition.Y);
flag = true;
this.SetSmartCursorIndex();
flag4 = true;
goto Label_0C3E;
}
case 0x2b:
this._location.GotoLine((int) ((TextBufferCommand) command).Data);
this.ViewTopLineNumber = Math.Min(this._buffer.LineCount - this.VisibleLines, Math.Max(0, this._location.LineIndex - (this.VisibleLines / 2)));
flag = true;
flag4 = true;
goto Label_0C3E;
case 0x2c:
case 0x2d:
case 0x2e:
case 0x2f:
case 0x30:
case 0x31:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
case 0x3a:
case 0x3b:
case 0x44:
case 0x45:
case 70:
case 0x47:
case 0x4a:
case 0x4b:
case 0x4c:
case 0x4d:
case 0x4e:
case 0x4f:
case 0x5c:
case 0x5d:
goto Label_0C3E;
case 50:
this.ViewTopLineNumber = ((TextBufferCommand) command).CommandValue;
flag4 = true;
goto Label_0C3E;
case 0x33:
this.ViewLeftIndex = ((TextBufferCommand) command).CommandValue;
flag4 = true;
goto Label_0C3E;
case 0x34:
this.ViewTopLineNumber = Math.Min(this._buffer.LineCount - this.VisibleLines, Math.Max(0, this._location.LineIndex - (this.VisibleLines / 2)));
flag4 = true;
goto Label_0C3E;
case 60:
this.ResetSelection();
flag4 = true;
goto Label_0C3E;
case 0x3d:
this.UpdateSelection();
flag4 = true;
goto Label_0C3E;
case 0x3e:
this.DeleteSelection();
this.SetSmartCursorIndex();
flag4 = true;
goto Label_0C3E;
case 0x3f:
this.CutInternal();
this.SetSmartCursorIndex();
flag4 = true;
goto Label_0C3E;
case 0x40:
this.CopyInternal();
this.SetSmartCursorIndex();
flag4 = true;
goto Label_0C3E;
case 0x41:
this.PasteInternal();
this.SetSmartCursorIndex();
flag4 = true;
goto Label_0C3E;
case 0x42:
this.FreezePaint();
try
{
this._location.MoveTo(this._buffer.First);
this.ResetSelection();
this._location.MoveTo(this._buffer.Last);
this.UpdateSelection();
}
finally
{
this.UnfreezePaint();
}
flag4 = true;
goto Label_0C3E;
case 0x43:
{
TextBufferLocation location4 = this._location.Clone();
TextBufferSpan span3 = null;
try
{
span3 = this.TextLanguage.GetWordSpan(location4, WordType.Current);
if (span3 != null)
{
isSelecting = true;
this._location.MoveTo(span3.Start);
this.ResetSelection();
this._location.MoveTo(span3.End);
flag = true;
}
}
finally
{
location4.Dispose();
if (span3 != null)
{
span3.Dispose();
}
}
flag4 = true;
goto Label_0C3E;
}
case 0x48:
location = this._buffer.CreateTextBufferLocation(this._selection.Start);
num5 = this._selection.End.LineIndex;
if (this._selection.End.ColumnIndex == 0)
{
num5--;
}
this._buffer.BeginBatchUndo();
while (location.LineIndex <= num5)
{
if (!location.Line.IsEmpty)
{
this.MoveToFirstCharIndex(location);
TextBufferCommand command2 = new TextBufferCommand(70, location);
this.HandleCommand(command2);
}
if (location.MoveDown(1) == 0)
{
break;
}
}
location.Dispose();
this._buffer.EndBatchUndo();
this._selection.Start.ColumnIndex = 0;
if (this._selection.End.ColumnIndex != 0)
{
this._selection.End.ColumnIndex = this._selection.End.Line.Length;
}
this.SetSmartCursorIndex();
flag4 = true;
goto Label_0C3E;
case 0x49:
location = this._buffer.CreateTextBufferLocation(this._selection.Start);
num5 = this._selection.End.LineIndex;
if (this._selection.End.ColumnIndex == 0)
{
num5--;
}
this._buffer.BeginBatchUndo();
while (location.LineIndex <= num5)
{
this.MoveToFirstCharIndex(location);
TextBufferCommand command3 = new TextBufferCommand(0x47, location);
this.HandleCommand(command3);
if (location.MoveDown(1) == 0)
{
break;
}
}
location.Dispose();
this._buffer.EndBatchUndo();
this._selection.Start.ColumnIndex = 0;
if (this._selection.End.ColumnIndex != 0)
{
this._selection.End.ColumnIndex = this._selection.End.Line.Length;
}
this.SetSmartCursorIndex();
flag4 = true;
goto Label_0C3E;
case 80:
flag4 = this.OnKeyDownCommand(((TextBufferCommand) command).CommandValue);
goto Label_0C3E;
case 0x51:
this.OnKeyPressedCommand(((TextBufferCommand) command).CommandValue);
flag4 = true;
goto Label_0C3E;
case 90:
{
using (TextBufferLocation location6 = this._location.Clone())
{
TextBufferSpan span5 = null;
try
{
//NOTE: 手动修改
span5 = this.TextLanguage.GetWordSpan(location6, WordType.Current);
if (span5 != null)
{
span5.End.MoveTo(this._location);
}
if ((span5 == null) || span5.IsEmpty)
{
span5 = this.TextLanguage.GetWordSpan(location6, WordType.Previous);
}
if ((span5 != null) && !span5.IsEmpty)
{
span5.End.MoveTo(this._location);
this.HandleCommand(new TextBufferCommand(3, span5.Start, span5.End));
this._location.MoveTo(span5.Start);
this.SetSmartCursorIndex();
}
}
catch (Exception ex)
{
}
finally
{
span5.Dispose();
span5 = null;
}
//using (TextBufferSpan span5 = null)
//{
// span5 = this.TextLanguage.GetWordSpan(location6, WordType.Current);
// if (span5 != null)
// {
// span5.End.MoveTo(this._location);
// }
// if ((span5 == null) || span5.IsEmpty)
// {
// span5 = this.TextLanguage.GetWordSpan(location6, WordType.Previous);
// }
// if ((span5 != null) && !span5.IsEmpty)
// {
// span5.End.MoveTo(this._location);
// this.HandleCommand(new TextBufferCommand(3, span5.Start, span5.End));
// this._location.MoveTo(span5.Start);
// this.SetSmartCursorIndex();
// }
//}
goto Label_0C3E;
}
}
case 0x5b:
{
using (TextBufferLocation location5 = this._location.Clone())
{
//NOTE: 手动修改
//using (TextBufferSpan span4 = null)
//{
// span4 = this.TextLanguage.GetWordSpan(location5, WordType.Current);
// if (span4 != null)
// {
// span4.Start.MoveTo(this._location);
// }
// if ((span4 == null) || span4.IsEmpty)
// {
// span4 = this.TextLanguage.GetWordSpan(location5, WordType.Next);
// }
// if ((span4 != null) && !span4.IsEmpty)
// {
// span4.Start.MoveTo(this._location);
// this.HandleCommand(new TextBufferCommand(3, span4.Start, span4.End));
// this.SetSmartCursorIndex();
// }
//}
TextBufferSpan span4 = null;
try
{
span4 = this.TextLanguage.GetWordSpan(location5, WordType.Current);
if (span4 != null)
{
span4.Start.MoveTo(this._location);
}
if ((span4 == null) || span4.IsEmpty)
{
span4 = this.TextLanguage.GetWordSpan(location5, WordType.Next);
}
if ((span4 != null) && !span4.IsEmpty)
{
span4.Start.MoveTo(this._location);
this.HandleCommand(new TextBufferCommand(3, span4.Start, span4.End));
this.SetSmartCursorIndex();
}
}
catch (Exception ex)
{
}
finally
{
span4.Dispose();
span4 = null;
}
goto Label_0C3E;
}
}
case 0x5e:
if (this._owner.HelpEnabled)
{
if (this._selectionExists)
{
this.TextLanguage.ShowHelp(this.ServiceProvider, this._selection.Start);
}
else
{
this.TextLanguage.ShowHelp(this.ServiceProvider, this._location);
}
}
goto Label_0C3E;
}
}
Label_0C3E:
if (flag)
{
if (isSelecting)
{
this.UpdateSelection();
return flag4;
}
this.ResetSelection();
return flag4;
}
if (flag2 && !isSelecting)
{
this.ResetSelection();
}
return flag4;
}
protected override bool UpdateCommand(Command command)
{
bool flag = false;
if (command.CommandGroup != typeof(GlobalCommands))
{
if (command.CommandGroup == typeof(TextBufferCommands))
{
flag = base.UpdateCommand(command);
}
return flag;
}
int commandID = command.CommandID;
if (commandID <= 120)
{
switch (commandID)
{
case 100:
command.Enabled = base.CanUndo;
return true;
case 0x65:
command.Enabled = base.CanRedo;
return true;
case 0x66:
case 0x67:
command.Enabled = base.CanCopy;
return true;
case 0x68:
command.Enabled = base.CanPaste;
return true;
case 0x69:
return flag;
case 0x6a:
command.Enabled = true;
return true;
case 0x6b:
command.Enabled = true;
return true;
case 120:
command.Enabled = (SnippetToolboxSection.Snippets != null) && base.CanCopy;
return true;
}
return flag;
}
switch (commandID)
{
case 0x8d:
{
TextBufferCommand command2 = new TextBufferCommand(0x5c);
((ICommandHandler) this).UpdateCommand(command2);
command.Enabled = command2.Enabled && base.SelectionExists;
return true;
}
case 0x8e:
{
TextBufferCommand command3 = new TextBufferCommand(0x5d);
((ICommandHandler) this).UpdateCommand(command3);
command.Enabled = command3.Enabled && base.SelectionExists;
return true;
}
case 600:
command.Enabled = true;
return true;
case 0x3e9:
((EditorStatusBarPanelCommand) command).Line = base.CaretLineIndex + 1;
((EditorStatusBarPanelCommand) command).Column = base.TabbedColumnIndex + 1;
return true;
case 0x3ea:
if (base.InsertMode)
{
command.Text = "INS";
break;
}
command.Text = "OVR";
break;
default:
return flag;
}
return true;
}
