unit ItemCodesUnit;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
  StdCtrls, outputunit;

type

  { TCodesForm }

  TCodesForm = class(TForm)
    EditOneBtn: TButton;
    ReturnBtn: TButton;
    DisplayBtn: TButton;
    StartNewBtn: TButton;
    SaveCodeBtn: TButton;
    DescLabel: TLabel;
    DescriptionEdit: TEdit;
    MinorEdit: TEdit;
    MinorLabel: TLabel;
    MajorEdit: TEdit;
    ItemNoEdit: TEdit;
    ItemNoLabel: TLabel;
    MajorLabel: TLabel;
    Memo1: TMemo;
    procedure EditOneBtnClick(Sender: TObject);
    procedure DisplayBtnClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure ReturnBtnClick(Sender: TObject);
    procedure SaveCodeBtnClick(Sender: TObject);
    procedure StartNewBtnClick(Sender: TObject);
  private
    { private declarations }
  public
    { public declarations }
  end;

var
  CodesForm: TCodesForm;

implementation
uses ItemBankingUnit;
{ TCodesForm }

procedure TCodesForm.SaveCodeBtnClick(Sender: TObject);
var
  currentno : integer;
begin
     currentno := StrToInt(ItemNoEdit.Text);
     if currentno > ItemBankFrm.BankInfo.NCodes then
       ItemBankFrm.BankInfo.NCodes := currentno;
     ItemBankFrm.NItemCodesText.Text := IntToStr(currentno);
     ItemBankFrm.CodesInfo[currentno].codenumber := currentno;
     ItemBankFrm.CodesInfo[currentno].majorcodes := StrToInt(MajorEdit.Text);
     ItemBankFrm.CodesInfo[currentno].minorcodes := StrToInt(MinorEdit.Text);
     ItemBankFrm.CodesInfo[currentno].Description := DescriptionEdit.Text;
end;

procedure TCodesForm.DisplayBtnClick(Sender: TObject);
var
  currentno : integer;
  i : integer;
  outline : string;
begin
     currentno := ItemBankFrm.BankInfo.NCodes;
     OutPutFrm.RichEdit.Lines.Add('Current Item Codes');
     OutPutFrm.RichEdit.Lines.Add('');

     for i := 1 to currentno do
     begin
          outline := format('Item number %3d',[ItemBankFrm.CodesInfo[i].codenumber]);
          OutPutFrm.RichEdit.Lines.Add(outline);
          outline := format('Major Code %3d',[ItemBankFrm.CodesInfo[i].majorcodes]);
          OutPutFrm.RichEdit.Lines.Add(outline);
          outline := format('Minor Code %3d',[ItemBankFrm.CodesInfo[i].minorcodes]);
          OutPutFrm.RichEdit.Lines.Add(outline);
          outline := format('Description %s',[ItemBankFrm.CodesInfo[i].Description]);
          OutPutFrm.RichEdit.Lines.Add(outline);
          OutPutFrm.RichEdit.Lines.Add('');
     end;
     OutPutFrm.ShowModal;
end;

procedure TCodesForm.EditOneBtnClick(Sender: TObject);
Var
  response : string;
  codeno : integer;
begin
  response := InputBox('Code Number:','Number:','1');
  codeno := StrToInt(response);
  if codeno <= ItemBankFrm.BankInfo.NCodes then
  begin
       ItemNoEdit.Text := IntToStr(ItemBankFrm.CodesInfo[codeno].codenumber);
       MajorEdit.Text := IntToStr(ItemBankFrm.CodesInfo[codeno].majorcodes);
       MinorEdit.Text := IntToStr(ItemBankFrm.CodesInfo[codeno].minorcodes);
       DescriptionEdit.Text := ItemBankFrm.CodesInfo[codeno].Description;
  end;
end;

procedure TCodesForm.FormShow(Sender: TObject);
Var ncodes : integer;
begin
  if ItemBankFrm.NItemCodesText.Text <> '' then
  begin
       ncodes := StrToInt(ItemBankFrm.NItemCodesText.Text);
       ItemNoEdit.Text := IntToStr(ItemBankFrm.CodesInfo[ncodes].codenumber);
       MajorEdit.Text := IntToStr(ItemBankFrm.CodesInfo[ncodes].majorcodes) ;
       MinorEdit.Text := IntToStr(ItemBankFrm.CodesInfo[ncodes].minorcodes);
       DescriptionEdit.Text := ItemBankFrm.CodesInfo[ncodes].Description;
  end else
  begin
       ItemNoEdit.Text := '1';
       MajorEdit.Text := '1';
       MinorEdit.Text := '0';
       DescriptionEdit.Text := '';
  end;
end;

procedure TCodesForm.ReturnBtnClick(Sender: TObject);
begin
  CodesForm.Hide;
  Close;
end;

procedure TCodesForm.StartNewBtnClick(Sender: TObject);
var
  currentno : integer;
  newnumber : integer;
begin
     currentno := StrToInt(ItemNoEdit.Text);
     newnumber := currentno + 1;
     ItemNoEdit.Text := IntToStr(newnumber);
     currentno := StrToInt(MinorEdit.Text);
     newnumber := currentno + 1;
     MinorEdit.Text := IntToStr(newnumber);
     DescriptionEdit.Text := '';
     if newnumber > StrToInt(ItemBankFrm.NItemCodesText.Text) then
     begin
         ItemBankFrm.NItemCodesText.Text := IntToStr(newnumber);
         ItemBankFrm.CodesInfo[newnumber].codenumber := newnumber;
     end;
end;

initialization
  {$I itemcodesunit.lrs}

end.