lazarus/ide/frames/compiler_modematrix.pas
mattias 497c1f77e0 IDE: mode matrix: started undo
git-svn-id: trunk@40928 -
2013-04-29 09:55:59 +00:00

106 lines
3.3 KiB
ObjectPascal

{
***************************************************************************
* *
* This source 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; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code 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. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
***************************************************************************
}
unit Compiler_ModeMatrix;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LazFileUtils, LResources, Forms, Controls, Graphics,
ComCtrls, ModeMatrixCtrl;
type
{ TFrame1 }
TFrame1 = class(TFrame)
BMMatrixToolBar: TToolBar;
BMMMoveUpToolButton: TToolButton;
BMMMoveDownToolButton: TToolButton;
BMMUndoToolButton: TToolButton;
BMMRedoToolButton: TToolButton;
BMMNewTargetToolButton: TToolButton;
BMMNewOptionToolButton: TToolButton;
BMMDeleteToolButton: TToolButton;
procedure GridSelection(Sender: TObject; {%H-}aCol, {%H-}aRow: Integer);
private
FGrid: TGroupedMatrixControl;
procedure UpdateButtons;
public
constructor Create(TheOwner: TComponent); override;
property Grid: TGroupedMatrixControl read FGrid;
end;
implementation
{$R *.lfm}
{ TFrame1 }
procedure TFrame1.GridSelection(Sender: TObject; aCol, aRow: Integer);
begin
UpdateButtons;
end;
procedure TFrame1.UpdateButtons;
var
aRow: Integer;
MatRow: TGroupedMatrixRow;
begin
aRow:=Grid.Row;
if (aRow>0) and (aRow<=Grid.Matrix.RowCount) then begin
MatRow:=Grid.Matrix[aRow-1];
end else
MatRow:=nil;
// allow to delete targets and value rows
BMMDeleteToolButton.Enabled:=(MatRow<>nil) and (MatRow.Group<>nil);
//
BMMUndoToolButton.Enabled:=Grid.CanUndo;
BMMRedoToolButton.Enabled:=Grid.CanRedo;
// move up/down
BMMMoveUpToolButton.Enabled:=(MatRow<>nil) and (MatRow.Group<>nil)
and ((MatRow.GetPreviousSibling<>nil)
or (MatRow.GetTopLvlItem.GetPreviousSibling<>nil));
BMMMoveDownToolButton.Enabled:=(MatRow<>nil) and (MatRow.Group<>nil)
and (MatRow.GetNextSkipChildren<>nil);
end;
constructor TFrame1.Create(TheOwner: TComponent);
begin
inherited Create(TheOwner);
FGrid:=TGroupedMatrixControl.Create(Self);
with Grid do begin
Name:='TModeMatrixControl';
Align:=alClient;
Parent:=Self;
OnSelection:=@GridSelection;
end;
UpdateButtons;
end;
end.