david
47aaf11578
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@38 05c56307-c608-d34a-929d-697000501d7a
267 lines
8.7 KiB
ObjectPascal
267 lines
8.7 KiB
ObjectPascal
|
|
{*******************************************************************}
|
|
{ }
|
|
{ Developer Express Visual Component Library }
|
|
{ ExpressMasterView image column editor }
|
|
{ }
|
|
{ Copyright (c) 1999-2009 Developer Express Inc. }
|
|
{ ALL RIGHTS RESERVED }
|
|
{ }
|
|
{ The entire contents of this file is protected by U.S. and }
|
|
{ International Copyright Laws. Unauthorized reproduction, }
|
|
{ reverse-engineering, and distribution of all or any portion of }
|
|
{ the code contained in this file is strictly prohibited and may }
|
|
{ result in severe civil and criminal penalties and will be }
|
|
{ prosecuted to the maximum extent possible under the law. }
|
|
{ }
|
|
{ RESTRICTIONS }
|
|
{ }
|
|
{ THIS SOURCE CODE AND ALL RESULTING INTERMEDIATE FILES }
|
|
{ (DCU, OBJ, DLL, ETC.) ARE CONFIDENTIAL AND PROPRIETARY TRADE }
|
|
{ SECRETS OF DEVELOPER EXPRESS INC. THE REGISTERED DEVELOPER IS }
|
|
{ LICENSED TO DISTRIBUTE THE EXPRESSMASTERVIEW AND ALL }
|
|
{ ACCOMPANYING VCL CONTROLS AS PART OF AN EXECUTABLE PROGRAM }
|
|
{ ONLY. }
|
|
{ }
|
|
{ THE SOURCE CODE CONTAINED WITHIN THIS FILE AND ALL RELATED }
|
|
{ FILES OR ANY PORTION OF ITS CONTENTS SHALL AT NO TIME BE }
|
|
{ COPIED, TRANSFERRED, SOLD, DISTRIBUTED, OR OTHERWISE MADE }
|
|
{ AVAILABLE TO OTHER INDIVIDUALS WITHOUT EXPRESS WRITTEN CONSENT }
|
|
{ AND PERMISSION FROM DEVELOPER EXPRESS INC. }
|
|
{ }
|
|
{ CONSULT THE END USER LICENSE AGREEMENT FOR INFORMATION ON }
|
|
{ ADDITIONAL RESTRICTIONS. }
|
|
{ }
|
|
{*******************************************************************}
|
|
|
|
unit dxMasterViewImageColumnEditor;
|
|
|
|
{$I cxVer.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
|
|
Grids, StdCtrls, dxMasterViewColumns;
|
|
|
|
type
|
|
TfrmImageColumnEditor = class(TForm)
|
|
ButtonOk: TButton;
|
|
ButtonCancel: TButton;
|
|
ButtonAdd: TButton;
|
|
ButtonDelete: TButton;
|
|
Grid: TStringGrid;
|
|
ButtonInsert: TButton;
|
|
procedure ButtonAddClick(Sender: TObject);
|
|
procedure ButtonInsertClick(Sender: TObject);
|
|
procedure ButtonDeleteClick(Sender: TObject);
|
|
procedure GridDrawCell(Sender: TObject; Col, Row: Integer; Rect: TRect; State: TGridDrawState);
|
|
procedure GridSelectCell(Sender: TObject; Col, Row: Integer; var CanSelect: Boolean);
|
|
procedure GridSetEditText(Sender: TObject; ACol, ARow: Integer; const Value: string);
|
|
procedure GridGetEditText(Sender: TObject; ACol, ARow: Integer; var Value: String);
|
|
procedure FormShow(Sender: TObject);
|
|
procedure GridKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
|
|
private
|
|
FColumn: TdxMasterViewImageColumn;
|
|
FPrevCellText: string;
|
|
end;
|
|
|
|
function EditImageColumnItems(AColumn: TdxMasterViewImageColumn): Boolean;
|
|
|
|
implementation
|
|
|
|
{$R *.DFM}
|
|
|
|
uses
|
|
dxMasterViewStrs;
|
|
|
|
type
|
|
TDummyGrid = class(TStringGrid);
|
|
|
|
function EditImageColumnItems(AColumn: TdxMasterViewImageColumn): Boolean;
|
|
var
|
|
I, AImageIndex: Integer;
|
|
begin
|
|
with TfrmImageColumnEditor.Create(nil) do
|
|
begin
|
|
FColumn := AColumn;
|
|
with Grid do
|
|
begin
|
|
if AColumn.Images <> nil then ColWidths[0] := AColumn.Images.Width;
|
|
ColWidths[3] := ClientWidth - 1 - //GetSystemMetrics(SM_CXVSCROLL) -
|
|
(ColWidths[0] + 1 + ColWidths[1] + 1 + ColWidths[2] + 1);
|
|
if AColumn.Images <> nil then
|
|
DefaultRowHeight := AColumn.Images.Height
|
|
else
|
|
DefaultRowHeight := 20;
|
|
RowHeights[0] := 20;
|
|
if AColumn.Items.Count = 0 then
|
|
begin
|
|
RowCount := 2;
|
|
Cells[2, 1] := '-1';
|
|
end
|
|
else
|
|
RowCount := 1 + AColumn.Items.Count;
|
|
Cells[1, 0] := LoadStr(dxsMVImageColumnEditorValueText);
|
|
Cells[2, 0] := LoadStr(dxsMVImageColumnEditorImageIndexText);
|
|
Cells[3, 0] := LoadStr(dxsMVImageColumnEditorDescriptionIndex);
|
|
for I := 0 to AColumn.Items.Count - 1 do
|
|
begin
|
|
Cells[1, I + 1] := AColumn.Items.Values[I];
|
|
Cells[2, I + 1] := IntToStr(AColumn.Items.ImageIndexes[I]);
|
|
Cells[3, I + 1] := AColumn.Items.Descriptions[I];
|
|
end;
|
|
end;
|
|
Result := ShowModal = mrOk;
|
|
if Result then
|
|
with Grid do
|
|
begin
|
|
AColumn.Items.BeginUpdate;
|
|
try
|
|
if (RowCount > 2) or (Cells[2, 1] <> '-1') then
|
|
begin
|
|
AColumn.Items.Count := RowCount - 1;
|
|
for I := 1 to RowCount - 1 do
|
|
begin
|
|
try
|
|
AImageIndex := StrToInt(Cells[2, I]);
|
|
except
|
|
AImageIndex := -1;
|
|
end;
|
|
AColumn.Items.Change(I - 1, Cells[1, I], AImageIndex, Cells[3, I]);
|
|
end;
|
|
end
|
|
else
|
|
AColumn.Items.Clear;
|
|
finally
|
|
AColumn.Items.EndUpdate;
|
|
end;
|
|
end;
|
|
Free;
|
|
end;
|
|
end;
|
|
|
|
procedure TfrmImageColumnEditor.ButtonAddClick(Sender: TObject);
|
|
var
|
|
AImageIndex: Integer;
|
|
begin
|
|
with TDummyGrid(Grid) do
|
|
begin
|
|
RowCount := RowCount + 1;
|
|
try
|
|
AImageIndex := StrToInt(Cells[2, RowCount - 2]);
|
|
if AImageIndex > -1 then Inc(AImageIndex);
|
|
except
|
|
AImageIndex := -1;
|
|
end;
|
|
Cells[1, RowCount - 1] := '';
|
|
Cells[2, RowCount - 1] := IntToStr(AImageIndex);
|
|
Cells[3, RowCount - 1] := '';
|
|
InvalidateCell(0, RowCount - 1);
|
|
Row := RowCount - 1;
|
|
end;
|
|
end;
|
|
|
|
procedure TfrmImageColumnEditor.ButtonInsertClick(Sender: TObject);
|
|
var
|
|
PrevRow, I: Integer;
|
|
begin
|
|
if Grid.Row < 1 then Exit;
|
|
with TDummyGrid(Grid) do
|
|
begin
|
|
PrevRow := Row;
|
|
RowCount := RowCount + 1;
|
|
for I := RowCount - 2 downto Row do MoveRow(I, I + 1);
|
|
Cells[1, PrevRow] := '';
|
|
Cells[2, PrevRow] := '-1';
|
|
Cells[3, PrevRow] := '';
|
|
InvalidateCell(0, PrevRow);
|
|
Row := PrevRow;
|
|
end;
|
|
end;
|
|
|
|
procedure TfrmImageColumnEditor.ButtonDeleteClick(Sender: TObject);
|
|
var
|
|
PrevRow: Integer;
|
|
begin
|
|
with TDummyGrid(Grid) do
|
|
if Row > 0 then
|
|
begin
|
|
PrevRow := Row;
|
|
if RowCount > 2 then DeleteRow(Row)
|
|
else
|
|
begin
|
|
Cells[1, 1] := '';
|
|
Cells[2, 1] := '-1';
|
|
Cells[3, 1] := '';
|
|
InvalidateCell(0, 1);
|
|
end;
|
|
if PrevRow <= RowCount - 1 then
|
|
Row := PrevRow
|
|
else
|
|
Row := RowCount - 1;
|
|
end;
|
|
end;
|
|
|
|
procedure TfrmImageColumnEditor.GridDrawCell(Sender: TObject;
|
|
Col, Row: Integer; Rect: TRect; State: TGridDrawState);
|
|
var
|
|
AImageIndex: Integer;
|
|
begin
|
|
if (Col = 0) and (Row > 0) and (FColumn.Images <> nil) then
|
|
begin
|
|
try
|
|
AImageIndex := StrToInt(Grid.Cells[2, Row]);
|
|
except
|
|
AImageIndex := -1;
|
|
end;
|
|
if (0 <= AImageIndex) and (AImageIndex < FColumn.Images.Count) then
|
|
FColumn.Images.Draw(Grid.Canvas, Rect.Left, Rect.Top, AImageIndex)
|
|
else
|
|
Grid.Canvas.FillRect(Rect);
|
|
end;
|
|
end;
|
|
|
|
procedure TfrmImageColumnEditor.GridSelectCell(Sender: TObject;
|
|
Col, Row: Integer; var CanSelect: Boolean);
|
|
begin
|
|
if Col = 0 then CanSelect := False;
|
|
end;
|
|
|
|
procedure TfrmImageColumnEditor.FormShow(Sender: TObject);
|
|
begin
|
|
Grid.Col := 1;
|
|
end;
|
|
|
|
procedure TfrmImageColumnEditor.GridSetEditText(Sender: TObject;
|
|
ACol, ARow: Integer; const Value: string);
|
|
begin
|
|
TDummyGrid(Grid).InvalidateCell(0, ARow);
|
|
end;
|
|
|
|
procedure TfrmImageColumnEditor.GridKeyDown(Sender: TObject;
|
|
var Key: Word; Shift: TShiftState);
|
|
begin
|
|
case Key of
|
|
VK_ESCAPE:
|
|
with Grid do
|
|
if EditorMode then
|
|
if Cells[Col, Row] <> FPrevCellText then
|
|
Cells[Col, Row] := FPrevCellText
|
|
else
|
|
EditorMode := False;
|
|
VK_INSERT:
|
|
if not Grid.EditorMode then ButtonAdd.Click;
|
|
VK_DELETE:
|
|
if not Grid.EditorMode then ButtonDelete.Click;
|
|
end;
|
|
end;
|
|
|
|
procedure TfrmImageColumnEditor.GridGetEditText(Sender: TObject;
|
|
ACol, ARow: Integer; var Value: String);
|
|
begin
|
|
FPrevCellText := Grid.Cells[ACol, ARow];
|
|
end;
|
|
|
|
end.
|