FastReport_2022_VCL/LibD28x64/frxBarcodeEditor.pas
2024-01-01 16:13:08 +01:00

325 lines
7.9 KiB
ObjectPascal

{******************************************}
{ }
{ FastReport VCL }
{ Barcode design editor }
{ }
{ Copyright (c) 1998-2021 }
{ by Fast Reports Inc. }
{ }
{******************************************}
unit frxBarcodeEditor;
interface
{$I frx.inc}
uses
{$IFNDEF FPC}Windows, Messages,{$ENDIF}
SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Menus, ExtCtrls, Buttons, frxClass, frxBarcode, frxCustomEditors,
frxBarcod, frxCtrls, ComCtrls, frxBaseForm
{$IFDEF FPC}
,LCLType
{$ENDIF}
{$IFDEF Delphi6}
, Variants
{$ENDIF};
type
TfrxBarcodeEditor = class(TfrxViewEditor)
public
function Edit: Boolean; override;
function HasEditor: Boolean; override;
procedure GetMenuItems; override;
function Execute(Tag: Integer; Checked: Boolean): Boolean; override;
end;
TfrxBarcodeEditorForm = class(TfrxBaseForm)
CancelB: TButton;
OkB: TButton;
CodeE: TfrxComboEdit;
CodeLbl: TLabel;
TypeCB: TComboBox;
TypeLbl: TLabel;
ExampleBvl: TBevel;
ExamplePB: TPaintBox;
OptionsLbl: TGroupBox;
ZoomLbl: TLabel;
CalcCheckSumCB: TCheckBox;
ViewTextCB: TCheckBox;
ZoomE: TEdit;
UpDown1: TUpDown;
RotationLbl: TGroupBox;
Rotation0RB: TRadioButton;
Rotation90RB: TRadioButton;
Rotation180RB: TRadioButton;
Rotation270RB: TRadioButton;
EditText: TEdit;
procedure ExprBtnClick(Sender: TObject);
procedure UpBClick(Sender: TObject);
procedure DownBClick(Sender: TObject);
procedure ExamplePBPaint(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure FormHide(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure TypeCBChange(Sender: TObject);
procedure EditTextClick(Sender: TObject);
procedure EditTextKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
private
{ Private declarations }
FBarcode: TfrxBarcodeView;
public
{ Public declarations }
procedure UpdateResouces; override;
property Barcode: TfrxBarcodeView read FBarcode write FBarcode;
end;
implementation
uses frxDsgnIntf, frxRes, frxUtils;
{$IFNDEF FPC}
{$R *.DFM}
{$ELSE}
{$R *.lfm}
{$ENDIF}
const
cbDefaultText = '12345678';
{ TfrxBarcodeEditor }
function TfrxBarcodeEditor.HasEditor: Boolean;
begin
Result := True;
end;
function TfrxBarcodeEditor.Edit: Boolean;
begin
with TfrxBarcodeEditorForm.Create(Designer) do
begin
Barcode := TfrxBarcodeView(Component);
Result := ShowModal = mrOk;
Free;
end;
end;
function TfrxBarcodeEditor.Execute(Tag: Integer; Checked: Boolean): Boolean;
var
i: Integer;
c: TfrxComponent;
v: TfrxBarcodeView;
begin
Result := inherited Execute(Tag, Checked);
for i := 0 to Designer.SelectedObjects.Count - 1 do
begin
c := Designer.SelectedObjects[i];
if (c is TfrxBarcodeView) and not (rfDontModify in c.Restrictions) then
begin
v := TfrxBarcodeView(c);
if Tag = 1 then
v.CalcCheckSum := Checked
else if Tag = 2 then
v.ShowText := Checked;
Result := True;
end;
end;
end;
procedure TfrxBarcodeEditor.GetMenuItems;
var
v: TfrxBarcodeView;
begin
v := TfrxBarcodeView(Component);
AddItem(frxResources.Get('bcCalcChecksum'), 1, v.CalcCheckSum);
AddItem(frxResources.Get('bcShowText'), 2, v.ShowText);
inherited;
end;
{ TfrxBarcodeEditorForm }
procedure TfrxBarcodeEditorForm.FormShow(Sender: TObject);
var
i: TfrxBarcodeType;
begin
TypeCB.Items.Clear;
for i := bcCode_2_5_interleaved to bcDeutsche_Post_Leitcode do
TypeCB.Items.Add(frxResources.Get(String(bcData[i].Name)));
CodeE.Text := FBarcode.Expression;
TypeCB.ItemIndex := Integer(FBarcode.BarType);
CalcCheckSumCB.Checked := FBarcode.CalcCheckSum;
ViewTextCB.Checked := FBarcode.ShowText;
ZoomE.Text := FloatToStr(FBarcode.Zoom);
case FBarcode.Rotation of
90: Rotation90RB.Checked := True;
180: Rotation180RB.Checked := True;
270: Rotation270RB.Checked := True;
else Rotation0RB.Checked := True;
end;
ExamplePBPaint(nil);
end;
procedure TfrxBarcodeEditorForm.FormHide(Sender: TObject);
begin
if ModalResult = mrOk then
begin
FBarcode.Expression := CodeE.Text;
FBarcode.BarType := TfrxBarcodeType(TypeCB.ItemIndex);
FBarcode.CalcCheckSum := CalcCheckSumCB.Checked;
FBarcode.ShowText := ViewTextCB.Checked;
FBarcode.Zoom := frxStrToFloat(ZoomE.Text);
if Rotation90RB.Checked then
FBarcode.Rotation := 90
else if Rotation180RB.Checked then
FBarcode.Rotation := 180
else if Rotation270RB.Checked then
FBarcode.Rotation := 270
else
FBarcode.Rotation := 0;
end;
end;
procedure TfrxBarcodeEditorForm.ExprBtnClick(Sender: TObject);
var
s: String;
begin
s := TfrxCustomDesigner(Owner).InsertExpression(CodeE.Text);
if s <> '' then
CodeE.Text := s;
end;
procedure TfrxBarcodeEditorForm.UpBClick(Sender: TObject);
var
i: Double;
begin
i := frxStrToFloat(ZoomE.Text);
i := i + 0.1;
ZoomE.Text := FloatToStr(i);
end;
procedure TfrxBarcodeEditorForm.UpdateResouces;
begin
inherited;
Caption := frxGet(3500);
CodeLbl.Caption := frxGet(3501);
TypeLbl.Caption := frxGet(3502);
ZoomLbl.Caption := frxGet(3503);
OptionsLbl.Caption := frxGet(3504);
RotationLbl.Caption := frxGet(3505);
CancelB.Caption := frxGet(2);
OkB.Caption := frxGet(1);
CalcCheckSumCB.Caption := frxGet(3506);
ViewTextCB.Caption := frxGet(3507);
Rotation0RB.Caption := frxGet(3508);
Rotation90RB.Caption := frxGet(3509);
Rotation180RB.Caption := frxGet(3510);
Rotation270RB.Caption := frxGet(3511);
end;
procedure TfrxBarcodeEditorForm.DownBClick(Sender: TObject);
var
i: Double;
begin
i := frxStrToFloat(ZoomE.Text);
i := i - 0.1;
if i <= 0 then i := 1;
ZoomE.Text := FloatToStr(i);
end;
procedure TfrxBarcodeEditorForm.TypeCBChange(Sender: TObject);
begin
if FBarcode.BarType <> TfrxBarcodeType(TypeCB.ItemIndex) then
begin
FBarcode.BarType := TfrxBarcodeType(TypeCB.ItemIndex);
ExamplePBPaint(nil);
end;
end;
procedure TfrxBarcodeEditorForm.EditTextClick(Sender: TObject);
begin
FBarcode.Text := EditText.Text;
ExamplePBPaint(nil);
end;
procedure TfrxBarcodeEditorForm.EditTextKeyUp(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
FBarcode.Text := EditText.Text;
ExamplePBPaint(nil);
end;
procedure TfrxBarcodeEditorForm.ExamplePBPaint(Sender: TObject);
var
Barcode: TfrxBarcodeView;
ScaleX, ScaleY: Extended;
begin
Barcode := TfrxBarcodeView.Create(Self);
Barcode.AssignAll(FBarcode);
Barcode.BarType := TfrxBarcodeType(TypeCB.ItemIndex);
Barcode.Zoom := 1;
Barcode.ShowText := ViewTextCB.Checked;
Barcode.Text := FBarcode.Text;
EditText.Text := Barcode.Text;
Barcode.Top := 0;
Barcode.Left := 0;
if Rotation0RB.Checked then
Barcode.Rotation := 0
else if Rotation90RB.Checked then
Barcode.Rotation := 90
else if Rotation180RB.Checked then
Barcode.Rotation := 180
else
Barcode.Rotation := 270;
Barcode.CalcCheckSum := CalcCheckSumCB.Checked;
ScaleX := 2;
ScaleY := 2;
with ExamplePB.Canvas do
begin
Brush.Color := clWhite;
FillRect(Rect(0, 0, ExamplePB.Width, ExamplePB.Height));
Barcode.Draw(ExamplePB.Canvas,ScaleX, ScaleY,
(ExamplePB.Width/2) - (Barcode.Width/2)*ScaleX,
(ExamplePB.Height/2) - (Barcode.Height/2)*ScaleY);
end;
EditText.Text := Barcode.Text;
Barcode.Free;
end;
procedure TfrxBarcodeEditorForm.FormCreate(Sender: TObject);
begin
if UseRightToLeftAlignment then
FlipChildren(True);
end;
procedure TfrxBarcodeEditorForm.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if Key = VK_F1 then
frxResources.Help(Self);
end;
initialization
frxComponentEditors.Register(TfrxBarcodeView, TfrxBarcodeEditor);
end.