Listing Program Tugas Akhir (TugasAkhir.dpr)

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1 L1 Listing Program Tugas Akhir (TugasAkhir.dpr) program TugasAkhir; uses Forms, udb in 'udb.pas' {dmta: TDataModule}, ufungsi in 'ufungsi.pas', uutama in 'uutama.pas' {futama}, ulogin in 'ulogin.pas' {flogin}, uuser in 'uuser.pas' {fuser}, ucabang in 'ucabang.pas' {fcabang}, uinput in 'uinput.pas' {finput}, uanalyzeregression in 'uanalyzeregression.pas' {fanalyzeregression}, uanalyzeplots in 'uanalyzeplots.pas' {fanalyzeplots}, uabout in 'uabout.pas' {fabout}, uuserguide in 'uuserguide.pas' {fuserguide}, uprint in 'uprint.pas' {fprint}, ukalkulasi in 'ukalkulasi.pas', ubarang in 'ubarang.pas' {fbarang}, uexcel in 'uexcel.pas' {fexcel}; {$R *.RES} Application.Initialize; Application.CreateForm(TdmTA, dmta); if dmta.isconnsucc then Application.CreateForm(TfUtama, futama); Application.Run; end. Listing Program Unit Utama (uutama.pas) unit uutama; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, Menus, ExtCtrls, ComCtrls, Buttons, ImgList; type TfUtama = class(tform) mmutama: TMainMenu; File1: TMenuItem;

2 Data1: TMenuItem; Analyze1: TMenuItem; Help1: TMenuItem; N1: TMenuItem; Logout1: TMenuItem; Exit1: TMenuItem; Cabang1: TMenuItem; Regression1: TMenuItem; Plots1: TMenuItem; tmrshow: TTimer; imbiglogo: TImage; sbutama: TStatusBar; N3: TMenuItem; User1: TMenuItem; Window1: TMenuItem; About1: TMenuItem; UserGuide1: TMenuItem; Close1: TMenuItem; CloseAll1: TMenuItem; Print1: TMenuItem; Bevel1: TBevel; N2: TMenuItem; Input1: TMenuItem; tclock: TTimer; ilutama: TImageList; Barang1: TMenuItem; procedure FormCreate(Sender: TObject); procedure tmrshowtimer(sender: TObject); procedure FormShow(Sender: TObject); procedure FormResize(Sender: TObject); procedure User1Click(Sender: TObject); procedure Cabang1Click(Sender: TObject); procedure Input1Click(Sender: TObject); procedure Regression1Click(Sender: TObject); procedure Plots1Click(Sender: TObject); procedure About1Click(Sender: TObject); procedure UserGuide1Click(Sender: TObject); procedure Close1Click(Sender: TObject); procedure CloseAll1Click(Sender: TObject); procedure Logout1Click(Sender: TObject); procedure Exit1Click(Sender: TObject); procedure FormCloseQuery(Sender: TObject; CanClose: Boolean); procedure tclocktimer(sender: TObject); procedure Print1Click(Sender: TObject); procedure FormClose(Sender: TObject; Action: TCloseAction); procedure Barang1Click(Sender: TObject); L2

3 L3 protected procedure CreateWnd; override; private { Private declarations } FDrawDC: hdc; FOldClientProc, FNewClientProc: TFarProc; OrigPos: record Height, Width: integer; procedure fmclose; procedure ClientWndProc( Mesg: TMessage); procedure DrawBkGnd(Disp: Integer); public { Public declarations } futama: TfUtama; implementation uses ufungsi, ulogin, udb, uuser, uabout, uuserguide, ucabang, uanalyzeregression, uanalyzeplots, uinput, uprint, ubarang; {$R *.DFM} procedure TfUtama.ClientWndProc( Mesg: TMessage); with Mesg do case Msg of WM_ERASEBKGND: CallWindowProc(FOldClientProc, ClientHandle, Msg, wparam, lparam); FDrawDC := TWMEraseBkGnd(Mesg).DC; DrawBkGnd(0); Result := 1; WM_VSCROLL, WM_HSCROLL: Result := CallWindowProc(FOldClientProc, ClientHandle, Msg, wparam, lparam); InvalidateRect(ClientHandle, nil, true); else Result := CallWindowProc(FOldClientProc, ClientHandle, Msg, wparam, lparam);

4 L4 procedure TfUtama.CreateWnd; inherited CreateWnd; FNewClientProc := MakeObjectInstance(ClientWndProc); FOldClientProc := Pointer(GetWindowLong(ClientHandle, GWL_WNDPROC)); SetWindowLong(ClientHandle, GWL_WNDPROC, LongInt(FNewClientProc)); procedure TfUtama.DrawBkGnd(Disp: Integer); CR: TRect; GetWindowRect(ClientHandle, CR); if Disp = 0 then with imbiglogo do BitBlt(FDrawDC, (ClientWidth - Picture.Graphic.Width) div 2, (ClientHeight - Picture.Graphic.Height) div 2, Picture.Graphic.Width, Picture.Graphic.Height, Picture.Bitmap.Canvas.Handle, 0, 0, SRCCOPY) else with imbiglogo do StretchBlt(FDrawDC, 0, 0, CR.Right, CR.Bottom, Picture.Bitmap.Canvas.Handle, 0, 0, Picture.Width, Picture.Height, SRCCOPY); procedure TfUtama.FormCreate(Sender: TObject); // Set ukuran awal form OrigPos.Height := Height; OrigPos.Width := Width; Position := podesktopcenter; Height := 27; Width := 112; // Jalankan timer tmrshow.enabled := true; procedure TfUtama.tmrShowTimer(Sender: TObject); tmrshow.enabled := false; // Sembunyikan form utama Application.MainForm.Hide; // Tampilkan window 'Login' flogin := TfLogin.Create(Application); if flogin.showmodal = mrok then // Tampilkan lagi menu utama setelah login sukses Constraints.MinHeight := 400;

5 L5 Constraints.MinWidth := 600; Height := OrigPos.Height; Width := OrigPos.Width; Top:= (Screen.DesktopHeight - Height) div 2; Left := (Screen.DesktopWidth - Width) div 2; Application.MainForm.Show; WindowState := wsmaximized; sbutama.panels[0].width := Width - sbutama.panels[1].width; end else // Tutup aplikasi fmclose; Application.Terminate; procedure TfUtama.FormShow(Sender: TObject); // Setting item-item menu Close1.Enabled := false; CloseAll1.Enabled := false; if dmta.tbinput.isempty then Analyze1.Enabled := false else Analyze1.Enabled := true; Print1.Enabled := false; Logout1.Caption := 'Logout ' + UName + '..'; procedure TfUtama.FormResize(Sender: TObject); // Atur ukuran window dan panel di statusbar if Height < Constraints.MinHeight then Height := Constraints.MinHeight; if Width < Constraints.MinWidth then Width := Constraints.MinWidth; sbutama.panels[0].width := Width - sbutama.panels[1].width; procedure TfUtama.User1Click(Sender: TObject); // Buka window 'Data User' if FindMDIForm('fUser') then fuser.show else Application.CreateForm(TfUser, fuser); fuser.windowstate := wsmaximized; Close1.Enabled := true; CloseAll1.Enabled := true;

6 L6 procedure TfUtama.Cabang1Click(Sender: TObject); // Buka window 'Data Cabang' if FindMDIForm('fCabang') then fcabang.show else Application.CreateForm(TfCabang, fcabang); fcabang.windowstate := wsmaximized; Close1.Enabled := true; CloseAll1.Enabled := true; procedure TfUtama.Input1Click(Sender: TObject); // Buka window 'Input' if FindMDIForm('fInput') then finput.show else Application.CreateForm(TfInput, finput); finput.windowstate := wsmaximized; Close1.Enabled := true; CloseAll1.Enabled := true; procedure TfUtama.Regression1Click(Sender: TObject); // Buka window 'Analyze Regression' if FindMDIForm('fAnalyzeRegression') then fanalyzeregression.show else Application.CreateForm(TfAnalyzeRegression, fanalyzeregression); fanalyzeregression.windowstate := wsmaximized; Close1.Enabled := true; CloseAll1.Enabled := true; procedure TfUtama.Plots1Click(Sender: TObject); // Buka window 'Analyze Plots' if FindMDIForm('fAnalyzePlots') then fanalyzeplots.show else Application.CreateForm(TfAnalyzePlots, fanalyzeplots); fanalyzeplots.windowstate := wsmaximized; Close1.Enabled := true; CloseAll1.Enabled := true; procedure TfUtama.About1Click(Sender: TObject); // Buka window 'About' ShowModalForm(TfAbout);

7 L7 procedure TfUtama.UserGuide1Click(Sender: TObject); // Buka window 'User Guide' if FindMDIForm('fUserGuide') then fuserguide.show else Application.CreateForm(TfUserGuide, fuserguide); fuserguide.windowstate := wsmaximized; Close1.Enabled := true; CloseAll1.Enabled := true; procedure TfUtama.Close1Click(Sender: TObject); // Tutup form MDI child yang sedang aktif Application.MainForm.ActiveMDIChild.Close; if Application.MainForm.MDIChildCount = 0 then Close1.Enabled := false; CloseAll1.Enabled := false; procedure TfUtama.CloseAll1Click(Sender: TObject); // Tutup semua form-form MDI child CloseAllMDIForm; Close1.Enabled := false; CloseAll1.Enabled := false; procedure TfUtama.Logout1Click(Sender: TObject); tmp: String; // Verifikasi hendak logout aplikasi tmp := 'Do you really want to Logout?'; if Application.MessageBox(PChar(tmp), ' Confirm Message', MB_OKCANCEL) = mrok then CloseAll1Click(Sender); tmrshow.enabled := true; procedure TfUtama.Exit1Click(Sender: TObject); // Tutup window

8 L8 Close; procedure TfUtama.FormCloseQuery(Sender: TObject; CanClose: Boolean); tmp: String; // Verifikasi hendak keluar aplikasi tmp := 'Do you really want to Exit?'; if Application.MessageBox(PChar(tmp), ' Confirm Message', MB_OKCANCEL) = mrok then CanClose := true else CanClose := false; procedure TfUtama.tClockTimer(Sender: TObject); // Tampilkan waktu pada statusbar sbutama.panels[1].text := FormatDateTime(' dddd, d mmmm yyyy [hh:mm:ss AM/PM]', now); procedure TfUtama.Print1Click(Sender: TObject); // Buka window 'Print' Application.CreateForm(TfPrint, fprint); Hide; fprint.qrpreview.preview; Show; Print1.Enabled := true; Close1.Enabled := true; CloseAll1.Enabled := true; procedure TfUtama.FormClose(Sender: TObject; Action: TCloseAction); // Tutup aplikasi fmclose; Action := cafree; procedure TfUtama.fmClose; // Tutup koneksi database with dmta do tblogin.close;

9 L9 tbbarang.close; tbcabang.close; tbinput.close; dbta.connected := false; procedure TfUtama.Barang1Click(Sender: TObject); // Buka window 'Data Barang' if FindMDIForm('fBarang') then fbarang.show else Application.CreateForm(TfBarang, fbarang); fbarang.windowstate := wsmaximized; Close1.Enabled := true; CloseAll1.Enabled := true; end. Listing Program Unit User (uuser.pas) unit uuser; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, ImgList, Db, StdCtrls, Buttons, Wwdbigrd, Grids, Wwdbgrid, wwspeedbutton, wwdbnavigator, wwclearpanel, ComCtrls, ExtCtrls; type TfUser = class(tform) Bevel1: TBevel; Panel1: TPanel; lbuser: TLabel; Panel2: TPanel; pcdatauser: TPageControl; tsviewuser: TTabSheet; tsubahpassword: TTabSheet; Panel3: TPanel; Panel4: TPanel; Panel5: TPanel; Panel6: TPanel; dsuser: TDataSource; Panel7: TPanel;

10 Panel9: TPanel; puser: TPanel; pubahpassword: TPanel; Bevel2: TBevel; Bevel3: TBevel; econfpass: TEdit; Label3: TLabel; Label7: TLabel; Label4: TLabel; eoldpass: TEdit; enewpass: TEdit; Label2: TLabel; Label6: TLabel; Label1: TLabel; bok: TButton; bcancel: TButton; Panel12: TPanel; Panel13: TPanel; Panel11: TPanel; bcancelview: TButton; tsedituser: TTabSheet; Panel8: TPanel; Panel14: TPanel; Panel15: TPanel; wwdbguser: TwwDBGrid; ilheader: TImageList; wwdbguseributton: TwwIButton; Image1: TImage; Image2: TImage; wwdbnnavigate: TwwDBNavigator; wwdbnnavigatefirst: TwwNavButton; wwdbnnavigateprior: TwwNavButton; wwdbnnavigatenext: TwwNavButton; wwdbnnavigatelast: TwwNavButton; wwdbnedit: TwwDBNavigator; wwdbneditinsert: TwwNavButton; wwdbneditdelete: TwwNavButton; wwdbneditedit: TwwNavButton; wwdbneditpost: TwwNavButton; wwdbneditcancel: TwwNavButton; wwdbneditrefresh: TwwNavButton; wwdbnnavigatepriorpage: TwwNavButton; wwdbnnavigatenextpage: TwwNavButton; procedure FormShow(Sender: TObject); procedure FormResize(Sender: TObject); procedure eoldpasskeypress(sender: TObject; Key: Char); L10

11 L11 procedure pcdatauserchange(sender: TObject); procedure bokclick(sender: TObject); procedure bcancelviewclick(sender: TObject); procedure FormClose(Sender: TObject; Action: TCloseAction); procedure wwdbgusercalctitleimage(sender: TObject; Field: TField; TitleImageAttributes: TwwTitleImageAttributes); procedure wwdbguserkeypress(sender: TObject; Key: Char); procedure FormActivate(Sender: TObject); procedure wwdbneditdeleteclick(sender: TObject); procedure dsuserstatechange(sender: TObject); private { Private declarations } public { Public declarations } fuser: TfUser; implementation uses Math, udb, ufungsi, uutama; {$R *.DFM} procedure TfUser.FormShow(Sender: TObject); tsviewuser.tabvisible := false; tsedituser.tabvisible := false; tsubahpassword.caption := '&Change Password '; // Untuk account ADMIN (tab 'View' dan 'Edit' member dimunculkan) if UpperCase(UName) = UpperCase(AdmAccount[0]) then tsviewuser.tabvisible := true; tsedituser.tabvisible := true; pcdatauser.activepage := tsviewuser; wwdbguser.setfocus; end // Untuk account selain ADMIN else eoldpass.setfocus; pcdatauserchange(self); procedure TfUser.FormResize(Sender: TObject); // Panel ubah password selalu di tengah form

12 L12 SetCenter(pUbahPassword, tsubahpassword); procedure TfUser.eOldPassKeyPress(Sender: TObject; Key: Char); // Tekan 'Esc' untuk tutup window if Key = #27 then Close; wwdbguserkeypress(sender, Key); procedure TfUser.pcDataUserChange(Sender: TObject); tmp: String; tmp := pcdatauser.activepage.caption; tmp := StringReplace(tmp, '&', '', [rfreplaceall]); // Batalkan update database bila berpindah tab if dsuser.state in [dsedit, dsinsert] then dsuser.dataset.cancel; // Saat pindah tab case pcdatauser.activepageindex of // Tab 'View' (untuk ADMIN) 0: puser.parent := tsviewuser; wwdbnedit.visible := false; wwdbnnavigate.visible := true; wwdbguser.readonly := true; wwdbguser.options := wwdbguser.options + [dgrowselect]; wwdbguser.setfocus; // Tab 'Edit' (untuk ADMIN) 1: puser.parent := tsedituser; wwdbnedit.visible := true; wwdbnedit.left := wwdbnnavigate.left; wwdbnnavigate.visible := false; wwdbguser.readonly := false; wwdbguser.options := wwdbguser.options - [dgrowselect]; wwdbguser.setfocus; // Tab 'Change password' untuk semua user 2: tmp := 'Change Password'; lbuser.caption := tmp; procedure TfUser.bOKClick(Sender: TObject);

13 L13 // Password lama yang diisikan ternyata tidak sama if eoldpass.text <> UPass then Beep; Application.MessageBox('Invalid Password', ' Error Message', MB_OK); eoldpass.text := ''; eoldpass.setfocus; Exit; // Konfirmasi password baru if enewpass.text <> econfpass.text then Beep; Application.MessageBox('Verify New Password', ' Error Message', MB_OK); enewpass.setfocus; Exit; // Update database dmta.execsql('update Login SET Passwd=''' + enewpass.text + ''' WHERE UCASE(UserID)=''' + UpperCase(UName) + ''''); Application.MessageBox('Password Changed', ' Confirm Message', MB_OK); // Tutup window Close; procedure TfUser.bCancelViewClick(Sender: TObject); // Tutup window Close; procedure TfUser.FormClose(Sender: TObject; Action: TCloseAction); Action := cafree; // Disable item menu 'Close' dan 'Close All' di form utama if Application.MainForm.MDIChildCount = 1 then futama.close1.enabled := false; futama.closeall1.enabled := false; procedure TfUser.wwdbgUserCalcTitleImage(Sender: TObject; Field: TField; TitleImageAttributes: TwwTitleImageAttributes);

14 L14 // Set image pada header grid tabel TitleImageAttributes.ImageIndex := Field.FieldNo - 1; procedure TfUser.wwdbgUserKeyPress(Sender: TObject; Key: Char); // Hanya memperbolehkan penginputan alfabet dan karakter '.' dan '_' saja if Key = #32 then Key := #0 else Key := AlphaNumSpecCharsFilter(Key, ['.', '_']); procedure TfUser.FormActivate(Sender: TObject); // Disable item menu 'Print' di form utama futama.print1.enabled := false; procedure TfUser.wwdbnEditDeleteClick(Sender: TObject); I, actrow: Integer; tmp: String; tmp := 'Do you really want to delete?'; if Application.MessageBox(PChar(tmp), ' Confirm Message', MB_OKCANCEL) = ID_CANCEL then Abort; actrow := 0; wwdbguser.updaterowcount; // Hapus semua record yang dipilih for I:=wwdbgUser.GetRowCount-2 downto 0 do wwdbguser.setactiverow(i); if wwdbguser.isselectedrecord then dsuser.dataset.delete; actrow := I; // Refresh tabel dsuser.dataset.refresh; wwdbguser.updaterowcount; // Set pointer ke record yang pertama dipilih atau record pertama if actrow < wwdbguser.getrowcount-1 then wwdbguser.setactiverow(actrow) else wwdbguser.setactiverow(0); Abort;

15 L15 procedure TfUser.dsUserStateChange(Sender: TObject); // Cek status dalam kondisi edit atau insert if dsuser.state in [dsedit, dsinsert] then wwdbguser.options := wwdbguser.options - [dgmultiselect] else wwdbguser.options := wwdbguser.options + [dgmultiselect]; end. Listing Program Unit Login (ulogin.pas) unit ulogin; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, ActnList, StdCtrls, ExtCtrls; type TfLogin = class(tform) Label2: TLabel; Panel1: TPanel; imlogo: TImage; Label1: TLabel; Bevel1: TBevel; Label4: TLabel; Label5: TLabel; eusername: TEdit; epassword: TEdit; Label6: TLabel; Label7: TLabel; bok: TButton; bcancel: TButton; ActionList1: TActionList; actset: TAction; Image2: TImage; procedure FormShow(Sender: TObject); procedure actsetexecute(sender: TObject); procedure eusernamekeypress(sender: TObject; Key: Char); procedure bokclick(sender: TObject); private { Private declarations } public

16 L16 { Public declarations } flogin: TfLogin; implementation uses udb, ufungsi; {$R *.DFM} procedure TfLogin.FormShow(Sender: TObject); actsetexecute(sender); // Sementara //eusername.text := AdmAccount[0]; //epassword.text := AdmAccount[1]; procedure TfLogin.actSetExecute(Sender: TObject); // Reset penginputan eusername.text := ''; eusername.setfocus; epassword.text := ''; procedure TfLogin.eUsernameKeyPress(Sender: TObject; Key: Char); // Tekan 'Esc' untuk tutup window if Key = #27 then ModalResult := mrcancel; procedure TfLogin.bOKClick(Sender: TObject); // Username tidak boleh kosong if eusername.text = '' then Beep; Application.MessageBox('Username is Empty', ' Error Message', MB_OK); eusername.setfocus; Exit; // Ambil data user dari database

17 L17 dmta.openquery('select * FROM Login WHERE UCASE(UserID)=''' + UpperCase(eUsername.Text) + ''';'); // Kalau ada data user if not dmta.qusql.isempty then UPass := dmta.qusql.fields[1].asstring; // Cek passwordnya sama atau tidak dengan yang tercatat di database if epassword.text = UPass then UName := dmta.qusql.fields[0].asstring; ModalResult := mrok; end // Bila password salah else Beep; Application.MessageBox('Invalid Password', ' Error Message', MB_OK); actsetexecute(sender); end // Bila user tidak ada else Beep; Application.MessageBox('Invalid Username', ' Error Message', MB_OK); actsetexecute(sender); end. Listing Program Unit Database (udb.pas) unit udb; interface uses Windows, Messages, SysUtils, Classes, Controls, Forms, Dialogs, Db, DBTables; type TdmTA = class(tdatamodule) dbta: TDatabase; qusql: TQuery; quexec: TQuery;

18 L18 tblogin: TTable; tbloginuserid: TStringField; tbloginpasswd: TStringField; tbcabang: TTable; tbcabangid_cabang: TAutoIncField; tbcabangnm_cabang: TStringField; tbinput: TTable; tbinputid_input: TAutoIncField; tbinputbiaya_kirim: TFloatField; tbinputfrek_kirim: TIntegerField; tbinputjml_barang: TIntegerField; tbinputstok_barang: TIntegerField; tbinputjml_permintaan: TIntegerField; tbinputbiaya_total: TFloatField; tbbarang: TTable; tbbarangid_barang: TIntegerField; tbbarangjns_barang: TStringField; tbinputjns_barang: TIntegerField; tbinputjarak: TIntegerField; procedure DataModuleCreate(Sender: TObject); procedure tbloginbeforepost(dataset: TDataSet); procedure tbloginposterror(dataset: TDataSet; E: EDatabaseError; Action: TDataAction); procedure tbloginbeforeedit(dataset: TDataSet); procedure tbinputafterpost(dataset: TDataSet); procedure tbcabangbeforeedit(dataset: TDataSet); procedure tbcabangbeforepost(dataset: TDataSet); procedure tbbarangbeforeedit(dataset: TDataSet); procedure tbbarangbeforepost(dataset: TDataSet); procedure tbinputbeforepost(dataset: TDataSet); private { Private declarations } UIDPreEdit: String[30]; CabIDPreEdit, BrgIDPreEdit: Integer; public { Public declarations } IsConnSucc: Boolean; tbinputfieldtype: Array of TFieldType; procedure ExecSQL(sqlstring: String); procedure OpenQuery(sqlstring: String); const AdmAccount: Array[0..1] of String[30] = ('denna', 'arfiani');

19 L19 dmta: TdmTA; UName, UPass: String[30]; implementation uses ufungsi, uutama; {$R *.DFM} procedure TdmTA.DataModuleCreate(Sender: TObject); I: Integer; // Coba koneksi database try dbta.connected := true; // Aktifkan tabel Login OpenQuery('SELECT * FROM Login;'); if qusql.isempty then ExecSQL('INSERT INTO Login VALUES (''' + AdmAccount[0] + ''', ''' + AdmAccount[1] + ''');'); tblogin.filter := 'UserID<>''' + AdmAccount[0] + ''''; tblogin.filtered := true; tblogin.open; tbbarang.open; // Aktifkan tabel Barang tbcabang.open; // Aktifkan tabel Cabang tbinput.open; // Aktifkan tabel Input // Cek tipe data tabel Input --> diperlukan untuk unit uexcel nanti SetLength(tbInputFieldType, tbinput.fields.count-1); for I:=0 to tbinput.fields.count - 1 do if tbinput.fields[i].fullname <> 'ID_Input' then tbinputfieldtype[i] := tbinput.fields[i].datatype; IsConnSucc := true; except // Kalau koneksi ke database gagal on EDatabaseError do IsConnSucc := false; raise; procedure TdmTA.ExecSQL(sqlstring: String); // Eksekusi query SQL tertentu quexec.disablecontrols;

20 L20 try quexec.close; quexec.sql.clear; quexec.sql.add(sqlstring); quexec.execsql; finally quexec.enablecontrols; procedure TdmTA.OpenQuery(sqlstring: String); // Buka suatu tabel dengan menggunakan eksekusi query SQL qusql.disablecontrols; try qusql.close; qusql.sql.clear; qusql.sql.add(sqlstring); qusql.open; finally qusql.enablecontrols; procedure TdmTA.tbLoginBeforePost(DataSet: TDataSet); // Cek sebelum mengirimkan data Login ke database if tbloginuserid.value <> UIDPreEdit then OpenQuery('SELECT * FROM Login WHERE UCASE(UserID)=''' + UpperCase(tbLoginUserID.Value) + ''';'); if not qusql.isempty then Beep; Application.MessageBox('Username Already Exist', ' Error Message', MB_OK); DataSet.Cancel; Abort; end else if (tbloginuserid.value = '') or (tbloginuserid.value[1] = ' ') then Beep; Application.MessageBox('Invalid Username', ' Error Message', MB_OK); DataSet.Cancel; Abort;

21 L21 procedure TdmTA.tbLoginPostError(DataSet: TDataSet; E: EDatabaseError; Action: TDataAction); tmp: String; // Jika penginputan/pengeditan ke database gagal tmp := 'Error Input!' + #13 + 'Kemungkinan ada data yang sama.'; Beep; Application.MessageBox(PChar(tmp), ' Error Message', MB_OK); Action := daabort; procedure TdmTA.tbLoginBeforeEdit(DataSet: TDataSet); UIDPreEdit := tbloginuserid.value; procedure TdmTA.tbInputAfterPost(DataSet: TDataSet); // Refresh tabel setelah penginputan/pengeditan tbinput.refresh; if tbinput.isempty then futama.analyze1.enabled := false else futama.analyze1.enabled := true; procedure TdmTA.tbCabangBeforeEdit(DataSet: TDataSet); CabIDPreEdit := tbcabangid_cabang.value; procedure TdmTA.tbCabangBeforePost(DataSet: TDataSet); // Cek sebelum mengirimkan data Cabang ke database if tbcabangid_cabang.value < 0 then Beep; Application.MessageBox('Invalid ID', ' Error Message', MB_OK); DataSet.Cancel; Abort; if tbcabangid_cabang.value <> CabIDPreEdit then OpenQuery('SELECT * FROM Cabang WHERE ID_Cabang=' + IntToStr(tbCabangID_Cabang.Value) + ';');

22 L22 if not qusql.isempty then Beep; Application.MessageBox('ID Already Exist', ' Error Message', MB_OK); DataSet.Cancel; Abort; procedure TdmTA.tbBarangBeforeEdit(DataSet: TDataSet); BrgIDPreEdit := tbbarangid_barang.value; procedure TdmTA.tbBarangBeforePost(DataSet: TDataSet); // Cek sebelum mengirimkan data Barang ke database if tbbarangid_barang.value < 0 then Beep; Application.MessageBox('Invalid ID', ' Error Message', MB_OK); DataSet.Cancel; Abort; if tbbarangid_barang.value <> BrgIDPreEdit then OpenQuery('SELECT * FROM Barang WHERE ID_Barang=' + IntToStr(tbBarangID_Barang.Value) + ';'); if not qusql.isempty then Beep; Application.MessageBox('ID Already Exist', ' Error Message', MB_OK); DataSet.Cancel; Abort; procedure TdmTA.tbInputBeforePost(DataSet: TDataSet); // Cek sebelum mengirimkan data Input ke database if (tbinputbiaya_kirim.isnull) or (tbinputbiaya_kirim.value < 1) then tbinputbiaya_kirim.value := 1; if (tbinputfrek_kirim.isnull) or (tbinputfrek_kirim.value < 1) then tbinputfrek_kirim.value := 1;

23 L23 if (tbinputjml_barang.isnull) or (tbinputjml_barang.value < 1) then tbinputjml_barang.value := 1; if (tbinputstok_barang.isnull) or (tbinputstok_barang.value < 1) then tbinputstok_barang.value := 1; if (tbinputjml_permintaan.isnull) or (tbinputjml_permintaan.value < 1) then tbinputjml_permintaan.value := 1; if (tbinputbiaya_total.isnull) or (tbinputbiaya_total.value < 1) then tbinputbiaya_total.value := 1; if (tbinputjns_barang.isnull) or (tbinputjns_barang.value < 1) then if tbbarang.isempty then Beep; Application.MessageBox('Data is Empty', ' Error Message', MB_OK); DataSet.Cancel; Abort; end else tbbarang.first; tbinputjns_barang.value := tbbarangid_barang.value; if (tbinputjarak.isnull) or (tbinputjarak.value < 1) then if tbcabang.isempty then Beep; Application.MessageBox('Data is Empty', ' Error Message', MB_OK); DataSet.Cancel; Abort; end else tbcabang.first; tbinputjarak.value := tbcabangid_cabang.value; end. Listing Program Unit Barang (ubarang.pas) unit ubarang;

24 L24 nterface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, ImgList, Db, StdCtrls, Mask, wwdbedit, Wwdbspin, Buttons, Wwdbigrd, Grids, Wwdbgrid, wwspeedbutton, wwdbnavigator, wwclearpanel, ComCtrls, ExtCtrls; type TfBarang = class(tform) Bevel1: TBevel; Panel1: TPanel; lbbarang: TLabel; Panel2: TPanel; pcdatabarang: TPageControl; tsviewbarang: TTabSheet; Panel3: TPanel; Panel4: TPanel; Panel5: TPanel; Panel6: TPanel; dsbarang: TDataSource; Panel7: TPanel; Panel9: TPanel; pbarang: TPanel; Panel12: TPanel; Panel13: TPanel; Panel11: TPanel; bclose: TButton; tseditbarang: TTabSheet; Panel8: TPanel; Panel14: TPanel; Panel15: TPanel; wwdbgbarang: TwwDBGrid; wwdbgbarangibutton: TwwIButton; wwdbseid: TwwDBSpinEdit; Image1: TImage; imbarang: TImageList; wwdbnnavigate: TwwDBNavigator; wwdbnnavigatefirst: TwwNavButton; wwdbnnavigateprior: TwwNavButton; wwdbnnavigatenext: TwwNavButton; wwdbnnavigatelast: TwwNavButton; wwdbnedit: TwwDBNavigator; wwdbneditinsert: TwwNavButton; wwdbneditdelete: TwwNavButton; wwdbneditedit: TwwNavButton; wwdbneditpost: TwwNavButton;

25 L25 wwdbneditcancel: TwwNavButton; wwdbneditrefresh: TwwNavButton; wwdbnnavigatepriorpage: TwwNavButton; wwdbnnavigatenextpage: TwwNavButton; procedure FormShow(Sender: TObject); procedure pcdatabarangchange(sender: TObject); procedure bcloseclick(sender: TObject); procedure bclosekeypress(sender: TObject; Key: Char); procedure FormClose(Sender: TObject; Action: TCloseAction); procedure wwdbgbarangcalctitleimage(sender: TObject; Field: TField; TitleImageAttributes: TwwTitleImageAttributes); procedure FormActivate(Sender: TObject); procedure wwdbneditdeleteclick(sender: TObject); procedure dsbarangstatechange(sender: TObject); private { Private declarations } public { Public declarations } fbarang: TfBarang; implementation uses Math, udb, ufungsi, uutama; {$R *.DFM} procedure TfBarang.FormShow(Sender: TObject); pcdatabarang.activepage := tsviewbarang; wwdbgbarang.setfocus; pcdatabarangchange(self); procedure TfBarang.pcDataBarangChange(Sender: TObject); tmp: String; tmp := pcdatabarang.activepage.caption; tmp := StringReplace(tmp, '&', '', [rfreplaceall]); lbbarang.caption := tmp; // Batalkan update database bila berpindah tab if dsbarang.state in [dsedit, dsinsert] then dsbarang.dataset.cancel; // Saat pindah tab

26 L26 case pcdatabarang.activepageindex of // Tab 'View' 0: pbarang.parent := tsviewbarang; wwdbnedit.visible := false; wwdbnnavigate.visible := true; wwdbgbarang.readonly := true; wwdbgbarang.options := wwdbgbarang.options + [dgrowselect]; // Tab 'Edit' 1: pbarang.parent := tseditbarang; wwdbnedit.visible := true; wwdbnedit.left := wwdbnnavigate.left; wwdbnnavigate.visible := false; wwdbgbarang.readonly := false; wwdbgbarang.options := wwdbgbarang.options - [dgrowselect]; wwdbgbarang.setfocus; procedure TfBarang.bCloseClick(Sender: TObject); // Tutup window Close; procedure TfBarang.bCloseKeyPress(Sender: TObject; Key: Char); // Tekan 'Esc' untuk tutup window if Key = #27 then Close; procedure TfBarang.FormClose(Sender: TObject; Action: TCloseAction); Action := cafree; // Disable item menu 'Close' dan 'Close All' di form utama if Application.MainForm.MDIChildCount = 1 then futama.close1.enabled := false; futama.closeall1.enabled := false; procedure TfBarang.wwdbgBarangCalcTitleImage(Sender: TObject;

27 L27 Field: TField; TitleImageAttributes: TwwTitleImageAttributes); // Set image pada header grid tabel TitleImageAttributes.ImageIndex := Field.FieldNo - 1; procedure TfBarang.FormActivate(Sender: TObject); // Disable item menu 'Print' di form utama futama.print1.enabled := false; procedure TfBarang.wwdbnEditDeleteClick(Sender: TObject); I, actrow: Integer; tmp: String; tmp := 'Do you really want to delete?'; if Application.MessageBox(PChar(tmp), ' Confirm Message', MB_OKCANCEL) = ID_CANCEL then Abort; actrow := 0; wwdbgbarang.updaterowcount; // Hapus semua record yang dipilih for I:=wwdbgBarang.GetRowCount-2 downto 0 do wwdbgbarang.setactiverow(i); if wwdbgbarang.isselectedrecord then dsbarang.dataset.delete; actrow := I; // Refresh tabel dsbarang.dataset.refresh; wwdbgbarang.updaterowcount; // Set pointer ke record yang pertama dipilih atau record pertama if actrow < wwdbgbarang.getrowcount-1 then wwdbgbarang.setactiverow(actrow) else wwdbgbarang.setactiverow(0); Abort; procedure TfBarang.dsBarangStateChange(Sender: TObject); // Cek status dalam kondisi edit atau insert

28 L28 if dsbarang.state in [dsedit, dsinsert] then wwdbgbarang.options := wwdbgbarang.options - [dgmultiselect] else wwdbgbarang.options := wwdbgbarang.options + [dgmultiselect]; end. Listing Program Unit Cabang (ucabang.pas) unit ucabang; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, ImgList, Db, StdCtrls, Mask, wwdbedit, Wwdbspin, Buttons, Wwdbigrd, Grids, Wwdbgrid, wwspeedbutton, wwdbnavigator, wwclearpanel, ComCtrls, ExtCtrls; type TfCabang = class(tform) Bevel1: TBevel; Panel1: TPanel; lbcabang: TLabel; Panel2: TPanel; pcdatacabang: TPageControl; tsviewcabang: TTabSheet; Panel3: TPanel; Panel4: TPanel; Panel5: TPanel; Panel6: TPanel; dscabang: TDataSource; Panel7: TPanel; Panel9: TPanel; pcabang: TPanel; Panel12: TPanel; Panel13: TPanel; Panel11: TPanel; bclose: TButton; tseditcabang: TTabSheet; Panel8: TPanel; Panel14: TPanel; Panel15: TPanel; Image1: TImage; wwdbgcabang: TwwDBGrid; wwdbgrid1ibutton: TwwIButton;

29 L29 imcabang: TImageList; wwdbseid: TwwDBSpinEdit; wwdbnnavigate: TwwDBNavigator; wwdbnnavigatefirst: TwwNavButton; wwdbnnavigateprior: TwwNavButton; wwdbnnavigatenext: TwwNavButton; wwdbnnavigatelast: TwwNavButton; wwdbnedit: TwwDBNavigator; wwdbneditinsert: TwwNavButton; wwdbneditdelete: TwwNavButton; wwdbneditedit: TwwNavButton; wwdbneditpost: TwwNavButton; wwdbneditcancel: TwwNavButton; wwdbneditrefresh: TwwNavButton; wwdbnnavigatepriorpage: TwwNavButton; wwdbnnavigatenextpage: TwwNavButton; procedure FormShow(Sender: TObject); procedure pcdatacabangchange(sender: TObject); procedure bcloseclick(sender: TObject); procedure bclosekeypress(sender: TObject; Key: Char); procedure FormClose(Sender: TObject; Action: TCloseAction); procedure wwdbgcabangcalctitleimage(sender: TObject; Field: TField; TitleImageAttributes: TwwTitleImageAttributes); procedure FormActivate(Sender: TObject); procedure wwdbneditdeleteclick(sender: TObject); procedure dscabangstatechange(sender: TObject); private { Private declarations } public { Public declarations } fcabang: TfCabang; implementation uses Math, udb, ufungsi, uutama; {$R *.DFM} procedure TfCabang.FormShow(Sender: TObject); pcdatacabang.activepage := tsviewcabang; wwdbgcabang.setfocus; pcdatacabangchange(self);

30 L30 procedure TfCabang.pcDataCabangChange(Sender: TObject); tmp: String; tmp := pcdatacabang.activepage.caption; tmp := StringReplace(tmp, '&', '', [rfreplaceall]); lbcabang.caption := tmp; // Batalkan update database bila berpindah tab if dscabang.state in [dsedit, dsinsert] then dscabang.dataset.cancel; // Saat pindah tab case pcdatacabang.activepageindex of // Tab 'View' 0: pcabang.parent := tsviewcabang; wwdbnedit.visible := false; wwdbnnavigate.visible := true; wwdbgcabang.readonly := true; wwdbgcabang.options := wwdbgcabang.options + [dgrowselect]; // Tab 'Edit' 1: pcabang.parent := tseditcabang; wwdbnedit.visible := true; wwdbnedit.left := wwdbnnavigate.left; wwdbnnavigate.visible := false; wwdbgcabang.readonly := false; wwdbgcabang.options := wwdbgcabang.options - [dgrowselect]; wwdbgcabang.setfocus; procedure TfCabang.bCloseClick(Sender: TObject); // Tutup window Close; procedure TfCabang.bCloseKeyPress(Sender: TObject; Key: Char); // Tekan 'Esc' untuk tutup window if Key = #27 then Close;

31 L31 procedure TfCabang.FormClose(Sender: TObject; Action: TCloseAction); Action := cafree; // Disable item menu 'Close' dan 'Close All' di form utama if Application.MainForm.MDIChildCount = 1 then futama.close1.enabled := false; futama.closeall1.enabled := false; procedure TfCabang.wwdbgCabangCalcTitleImage(Sender: TObject; Field: TField; TitleImageAttributes: TwwTitleImageAttributes); // Set image pada header grid tabel TitleImageAttributes.ImageIndex := Field.FieldNo - 1; procedure TfCabang.FormActivate(Sender: TObject); // Disable item menu 'Print' di form utama futama.print1.enabled := false; procedure TfCabang.wwdbnEditDeleteClick(Sender: TObject); I, actrow: Integer; tmp: String; tmp := 'Do you really want to delete?'; if Application.MessageBox(PChar(tmp), ' Confirm Message', MB_OKCANCEL) = ID_CANCEL then Abort; actrow := 0; wwdbgcabang.updaterowcount; // Hapus semua record yang dipilih for I:=wwdbgCabang.GetRowCount-2 downto 0 do wwdbgcabang.setactiverow(i); if wwdbgcabang.isselectedrecord then dscabang.dataset.delete; actrow := I; // Refresh tabel dscabang.dataset.refresh;

32 L32 wwdbgcabang.updaterowcount; // Set pointer ke record yang pertama dipilih atau record pertama if actrow < wwdbgcabang.getrowcount-1 then wwdbgcabang.setactiverow(actrow) else wwdbgcabang.setactiverow(0); Abort; procedure TfCabang.dsCabangStateChange(Sender: TObject); // Cek status dalam kondisi edit atau insert if dscabang.state in [dsedit, dsinsert] then wwdbgcabang.options := wwdbgcabang.options - [dgmultiselect] else wwdbgcabang.options := wwdbgcabang.options + [dgmultiselect]; end. Listing Program Unit Input (uinput.pas) unit uinput; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, ImgList, Db, wwdblook, StdCtrls, Mask, wwdbedit, Wwdbspin, Buttons, Wwdbigrd, Grids, Wwdbgrid, wwspeedbutton, wwdbnavigator, wwclearpanel, ComCtrls, ExtCtrls; type TfInput = class(tform) Bevel1: TBevel; Panel1: TPanel; lbinput: TLabel; Panel2: TPanel; pcdatainput: TPageControl; tsviewinput: TTabSheet; Panel3: TPanel; Panel4: TPanel; Panel5: TPanel; Panel6: TPanel; dsinput: TDataSource; Panel7: TPanel; Panel9: TPanel;

33 pinput: TPanel; Panel12: TPanel; Panel13: TPanel; Panel11: TPanel; bclose: TButton; tseditinput: TTabSheet; Panel8: TPanel; Panel14: TPanel; Panel15: TPanel; wwdbginput: TwwDBGrid; wwdbginputibutton: TwwIButton; Image1: TImage; imkirim: TImageList; wwdbsefrekkirim: TwwDBSpinEdit; wwdbsejmlbarang: TwwDBSpinEdit; wwdbsestokbarang: TwwDBSpinEdit; wwdbsejmlpermintaan: TwwDBSpinEdit; wwdblcjenisbarang: TwwDBLookupCombo; wwdblcjarak: TwwDBLookupCombo; wwdbnnavigate: TwwDBNavigator; wwdbnnavigatefirst: TwwNavButton; wwdbnnavigateprior: TwwNavButton; wwdbnnavigatenext: TwwNavButton; wwdbnnavigatelast: TwwNavButton; wwdbnedit: TwwDBNavigator; wwdbneditinsert: TwwNavButton; wwdbneditdelete: TwwNavButton; wwdbneditedit: TwwNavButton; wwdbneditpost: TwwNavButton; wwdbneditcancel: TwwNavButton; wwdbneditrefresh: TwwNavButton; wwdbneditexcel: TwwNavButton; imnavigate: TImageList; odexcel: TOpenDialog; wwdbnnavigatepriorpage: TwwNavButton; wwdbnnavigatenextpage: TwwNavButton; wwdbneditseparator: TwwNavButton; procedure FormShow(Sender: TObject); procedure pcdatainputchange(sender: TObject); procedure bcloseclick(sender: TObject); procedure bclosekeypress(sender: TObject; Key: Char); procedure FormClose(Sender: TObject; Action: TCloseAction); procedure wwdbginputcalctitleimage(sender: TObject; Field: TField; TitleImageAttributes: TwwTitleImageAttributes); procedure FormActivate(Sender: TObject); procedure wwdbneditdeleteclick(sender: TObject); L33

34 L34 procedure dsinputstatechange(sender: TObject); procedure wwdbneditexcelclick(sender: TObject); private { Private declarations } public { Public declarations } finput: TfInput; implementation uses Math, udb, ufungsi, uutama, uexcel; {$R *.DFM} procedure TfInput.FormShow(Sender: TObject); pcdatainput.activepage := tsviewinput; wwdbginput.setfocus; pcdatainputchange(self); procedure TfInput.pcDataInputChange(Sender: TObject); tmp: String; tmp := pcdatainput.activepage.caption; tmp := StringReplace(tmp, '&', '', [rfreplaceall]); lbinput.caption := tmp; // Batalkan update database bila berpindah tab if dsinput.state in [dsedit, dsinsert] then dsinput.dataset.cancel; // Saat pindah tab case pcdatainput.activepageindex of // Tab 'View' 0: pinput.parent := tsviewinput; wwdbnedit.visible := false; wwdbnnavigate.visible := true; wwdbginput.readonly := true; wwdbginput.options := wwdbginput.options + [dgrowselect]; // Tab 'Edit' 1: pinput.parent := tseditinput;

35 L35 wwdbnedit.visible := true; wwdbnedit.left := wwdbnnavigate.left; wwdbnnavigate.visible := false; wwdbginput.readonly := false; wwdbginput.options := wwdbginput.options - [dgrowselect]; wwdbginput.setfocus; procedure TfInput.bCloseClick(Sender: TObject); // Tutup window Close; procedure TfInput.bCloseKeyPress(Sender: TObject; Key: Char); // Tekan 'Esc' untuk tutup window if Key = #27 then Close; procedure TfInput.FormClose(Sender: TObject; Action: TCloseAction); Action := cafree; // Disable item menu 'Close' dan 'Close All' di form utama if Application.MainForm.MDIChildCount = 1 then futama.close1.enabled := false; futama.closeall1.enabled := false; procedure TfInput.wwdbgInputCalcTitleImage(Sender: TObject; Field: TField; TitleImageAttributes: TwwTitleImageAttributes); // Set image pada header grid tabel TitleImageAttributes.ImageIndex := Field.FieldNo - 1; procedure TfInput.FormActivate(Sender: TObject); // Disable item menu 'Print' di form utama futama.print1.enabled := false;

36 L36 procedure TfInput.wwdbnEditDeleteClick(Sender: TObject); I, actrow: Integer; tmp: String; tmp := 'Do you really want to delete?'; if Application.MessageBox(PChar(tmp), ' Confirm Message', MB_OKCANCEL) = ID_CANCEL then Abort; actrow := 0; wwdbginput.updaterowcount; // Hapus semua record yang dipilih for I:=wwdbgInput.GetRowCount-2 downto 0 do wwdbginput.setactiverow(i); if wwdbginput.isselectedrecord then dsinput.dataset.delete; actrow := I; // Refresh tabel dsinput.dataset.refresh; wwdbginput.updaterowcount; // Set pointer ke record yang pertama dipilih atau record pertama if actrow < wwdbginput.getrowcount-1 then wwdbginput.setactiverow(actrow) else wwdbginput.setactiverow(0); Abort; procedure TfInput.dsInputStateChange(Sender: TObject); // Cek status dalam kondisi edit atau insert if dsinput.state in [dsedit, dsinsert] then wwdbginput.options := wwdbginput.options - [dgmultiselect] else wwdbginput.options := wwdbginput.options + [dgmultiselect]; procedure TfInput.wwdbnEditExcelClick(Sender: TObject); // Cari file spreadsheet yang hendak diimport datanya odexcel.initialdir := GetCurrentDir; if odexcel.execute then // Buka window 'Excel' lalu pilih record mana saja yang hendak dimasukkan ke dalam tabel Input Application.CreateForm(TfExcel, fexcel);

37 L37 fexcel.fetchdata(odexcel.filename); fexcel.showmodal; end. Listing Program Unit Excel (uexcel.pas) unit uexcel; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, ImgList, Db, ADODB, Buttons, Wwdbigrd, Grids, Wwdbgrid, wwspeedbutton, wwdbnavigator, wwclearpanel, StdCtrls, ExtCtrls, Dialogs; type TfExcel = class(tform) Bevel1: TBevel; Panel1: TPanel; lbbarang: TLabel; Panel2: TPanel; Panel3: TPanel; Panel4: TPanel; Panel5: TPanel; Panel6: TPanel; dsexcel: TDataSource; Image1: TImage; Panel10: TPanel; Panel13: TPanel; Panel11: TPanel; bclose: TButton; wwdbgexcel: TwwDBGrid; wwdbgbarangibutton: TwwIButton; adoconnexcel: TADOConnection; adoqsql: TADOQuery; wwdbnnavigate: TwwDBNavigator; wwdbnnavigatefirst: TwwNavButton; wwdbnnavigatepriorpage: TwwNavButton; wwdbnnavigateprior: TwwNavButton; wwdbnnavigatenextpage: TwwNavButton; wwdbnnavigatenext: TwwNavButton; wwdbnnavigatelast: TwwNavButton;

38 L38 wwdbnnavigaterefresh: TwwNavButton; wwdbnnavigateseparator: TwwNavButton; wwdbnnavigateadd: TwwNavButton; wwdbnnavigateaddall: TwwNavButton; imnavigate: TImageList; procedure bclosekeypress(sender: TObject; Key: Char); procedure wwdbnnavigateaddclick(sender: TObject); procedure wwdbnnavigateaddallclick(sender: TObject); procedure FormShow(Sender: TObject); private { Private declarations } public { Public declarations } procedure ConnectToExcel(FileName: String); procedure FetchData(FileName: String); fexcel: TfExcel; implementation uses Math, udb; {$R *.DFM} procedure TfExcel.ConnectToExcel(FileName: String); strconn: WideString; // Koneksi ke Excel menggunakan ADOConnection strconn := 'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=' + FileName + ';Extended Properties=Excel 8.0;'; adoconnexcel.connected := false; adoconnexcel.connectionstring := strconn; try adoconnexcel.open; except Beep; Application.MessageBox('Error Message', PChar('Unable to connect to Excel, make sure the spreadsheet ' + ExtractFileName(FileName) + ' exist!'), MB_OK); procedure TfExcel.FetchData(FileName: String);

39 L39 // Cek koneksi Excel if not adoconnexcel.connected then ConnectToExcel(FileName); adoqsql.connection := adoconnexcel; adoqsql.close; // Ambil data dari file Excel adoqsql.sql.text := 'SELECT * FROM [Sheet1$]'; try adoqsql.open; except Beep; Application.MessageBox('Error Message', 'Unable to read data from Excel!', MB_OK); procedure TfExcel.bCloseKeyPress(Sender: TObject; Key: Char); // Tekan 'Esc' untuk tutup window if Key = #27 then Close; procedure TfExcel.wwdbnNavigateAddClick(Sender: TObject); I, J: Integer; Valid: Boolean; Data: Array of Variant; DataStr: Array of String; // Inisialisasi array iabel SetLength(Data, dmta.tbinput.fields.count-1); SetLength(DataStr, dmta.tbinput.fields.count-1); // Update jumlah record yang ada wwdbgexcel.updaterowcount; for I:=0 to wwdbgexcel.getrowcount-2 do // Fokuskan ke record-i wwdbgexcel.setactiverow(i); // Jika record tersebut telah dipilih if wwdbgexcel.isselectedrecord then Valid := true; for J:=0 to dsexcel.dataset.fields.count-1 do // Cek tipe data masing-masing cell Excel worksheet if dsexcel.dataset.fields[j].datatype = ftfloat then

40 L40 // Referensikan dengan tipe data dari tabel Input if dmta.tbinputfieldtype[j] = ftinteger then // Konversi ke tipe Integer dengan pembulatan ke atas Data[J] := Floor(dsExcel.DataSet.Fields[J].Value); DataStr[J] := IntToStr(Data[J]); end else // Tetap dengan tipe real Data[J] := dsexcel.dataset.fields[j].value; DataStr[J] := FloatToStr(Data[J]); end else Valid := false; // Jika semua data valid baru eksekusi SQL penambahan data if Valid then dmta.execsql('insert INTO Input (Biaya_Kirim, Frek_Kirim, Jns_Barang, Jarak, Jml_Barang, Stok_Barang, Jml_Permintaan, Biaya_Total) ' + 'VALUES (' + DataStr[0] + ', ' + DataStr[1] + ', ' + DataStr[2] + ', ' + DataStr[3] + ', ' + DataStr[4] + ', ' + DataStr[5] + ', ' + DataStr[6] + ', ' + DataStr[7] + ');'); dmta.tbinput.refresh; // Refresh tabel Input Close; // Tutup window 'Excel' procedure TfExcel.wwdbnNavigateAddAllClick(Sender: TObject); wwdbgexcel.selectall; // Pilih semua record wwdbnnavigateaddclick(sender); // Masukkan semua record ke dalam tabel Input procedure TfExcel.FormShow(Sender: TObject); wwdbgexcel.selectrecord; // Fokus pada record pertama // Jika banyaknya kolom di file Excel tidak sesuai dengan jumlah iable (jumlah field- 1 di tabel Input) if wwdbgexcel.fieldcount <> dmta.tbinput.fields.count-1 then Beep; Application.MessageBox('Error Message', PChar('Excel file should have exact ' + IntToStr(dmTA.tbInput.Fields.Count-1) + ' columns!'), MB_OK); Close;

41 L41 end. Listing Program Unit Fungsi (ufungsi.pas) unit ufungsi; interface uses Messages, Windows, SysUtils, Classes, Graphics, Controls, Forms; type Str30 = String[30]; function SpecCharsFilter(key: Char; spec: array of Char): Char; function NumericFilter(key: Char): Char; function AlphabeticFilter(key: Char): Char; function AlphaNumericFilter(key: Char): Char; function AlphaNumSpecCharsFilter(key: Char; spec: array of Char): Char; procedure ShowModalForm(FormClass: TFormClass); function FindMDIForm(MDIFormName: String): Boolean; procedure CloseAllMDIForm; procedure SetCenter(Cont1: TControl; Cont2: TControl); implementation function SpecCharsFilter(key: Char; spec: array of Char): Char; temp: Char; i: word; temp := #0; for i:=0 to Length(spec)-1 do if key = spec[i] then temp := key; break; result := temp; function NumericFilter(key: Char): Char; if not(((key >= #48) and (key <= #57)) or (key = #8)) then

42 L42 result := #0 else result := key; function AlphabeticFilter(key: Char): Char; if not(((key >= #65) and (key <= #90)) or ((key >= #97) and (key <= #122)) or (key = #8) or (key = #32)) then result := #0 else result := key; function AlphaNumericFilter(key: Char): Char; temp: Char; temp := NumericFilter(key); if temp <> key then temp := AlphabeticFilter(key); if temp <> key then temp := #0; result := temp; function AlphaNumSpecCharsFilter(key: Char; spec: array of Char): Char; temp: Char; temp := AlphaNumericFilter(key); if temp <> key then temp := SpecCharsFilter(key, spec); result := temp; procedure ShowModalForm(FormClass: TFormClass); with FormClass.Create(Application) do try ShowModal; finally Free; function FindMDIForm(MDIFormName: String): Boolean; MDICount: Byte; Found: Boolean; Found := false;

43 L43 MDICount := Application.MainForm.MDIChildCount; while (MDICount > 0) and (Found = false) do if Application.MainForm.ActiveMDIChild.Name = MDIFormName then Found := true; Application.MainForm.Next; Dec(MDICount); Result := Found; procedure CloseAllMDIForm; MDICount: Byte; MDICount := Application.MainForm.MDIChildCount; while MDICount > 0 do Application.MainForm.ActiveMDIChild.Close; Application.MainForm.Next; Dec(MDICount); procedure SetCenter(Cont1: TControl; Cont2: TControl); if Cont1.Width < Cont2.ClientWidth then Cont1.Left := (Cont2.ClientWidth - Cont1.Width) div 2 else Cont1.Left := 0; if Cont1.Height < Cont2.ClientHeight then Cont1.Top := (Cont2.ClientHeight - Cont1.Height) div 2 else Cont1.Top := 0; end. Listing Program Unit Kalkulasi (ukalkulasi.pas) unit ukalkulasi; interface uses Windows, Classes, SysUtils;

44 L44 type VarMatriksKorelasi = array of array of Double; TFType = (tfttoremove, tfttoenter); function PrintGaris(HowMany: Integer): String; function PrintKolom(Str: String; MaxWidth: Integer; Alignment: TAlignment): String; function Rataan(const Data: array of Double; NumOf: Integer): Double; function Korelasi(const DataX, DataY: array of Double; const RataanX, RataanY: Double; NumOf: Integer): Double; function CariAbsolutMax(const Variabel: array of Integer; const Value: array of Double; Index: Integer): Double; function KoefisienRegresi1a(const yrataan, b1, xrataan: Double): Double; function KoefisienRegresi1b(const DataX, DataY: array of Double; const RataanX, RataanY: Double; NumOf: Integer): Double; function yregresi1(const koefreg1a, koefreg1b: Double; const DataXi: Double): Double; function KuadratKorelasi(const DataYRegresi, DataY: array of Double; const RataanY: Double; NumOf: Integer): Double; function RataanKuadratSisa(const DataY, DataYRegresi: array of Double; p, NumOf: Integer): Double; function UjiStatistik(const DataY, DataYRegresi: array of Double; const RataanY: Double; p, NumOf: Integer; FType: TFType): Double; overload; function UjiStatistik(const DataR: Double; k, NumOf: Integer): Double; overload; function KuadratKorelasiParsial(IndexX: Integer; const XModel: array of Integer; const MatriksKorelasi: VarMatriksKorelasi): Double; implementation uses Math; function PrintGaris(HowMany: Integer): String; tmp: String; I: Integer; tmp := ''; for I:=1 to HowMany do tmp := tmp + '-'; Result := tmp; function PrintKolom(Str: String; MaxWidth: Integer; Alignment: TAlignment): String; tmp: String; I, LnStr, LnSp: Integer; LnStr := Length(Str); if LnStr >= MaxWidth then Result := Str

45 L45 else LnSp := MaxWidth - LnStr; tmp := ''; if Alignment = taleftjustify then tmp := tmp + Str; for I:=1 to LnSp do tmp := tmp + ' '; end else if Alignment = tarightjustify then for I:=1 to LnSp do tmp := tmp + ' '; tmp := tmp + Str; end else for I:=1 to (LnSp div 2) do tmp := tmp + ' '; tmp := tmp + Str; for I:=1 to ((LnSp div 2) + (LnSp mod 2)) do tmp := tmp + ' '; Result := tmp; function Rataan(const Data: array of Double; NumOf: Integer): Double; Result := Sum(Data) / NumOf; function Korelasi(const DataX, DataY: array of Double; const RataanX, RataanY: Double; NumOf: Integer): Double; tmpa, tmpb, tmpc: array of Double; tota, totb, totsqb, totsqc: Double; I: Integer; SetLength(tmpA, NumOf); SetLength(tmpB, NumOf); SetLength(tmpC, NumOf); for I:=0 to NumOf-1 do tmpb[i] := DataX[I] - RataanX; tmpc[i] := DataY[I] - RataanY; tmpa[i] := tmpb[i] * tmpc[i]; tota := Sum(tmpA);

46 L46 totsqb := SumOfSquares(tmpB); totsqc := SumOfSquares(tmpC); totb := Power(totSqB * totsqc, 0.5); // Kalau pembagi nol maka seharusnya NaN! // Note: MAXLONG ini hanya untuk mengindikasikan adanya pembagian dengan nol! if totb = 0 then Result := MAXLONG else Result := tota / totb; function CariAbsolutMax(const Variabel: array of Integer; const Value: array of Double; Index: Integer): Double; I, idx: Integer; maxval: Double; idx := 0; maxval := 0; for I:=0 to High(Variabel) do if Abs(Value[I]) > maxval then idx := Variabel[I]; maxval := abs(value[i]); Index := idx; Result := maxval; function KoefisienRegresi1a(const yrataan, b1, xrataan: Double): Double; Result := yrataan - b1 * xrataan; function KoefisienRegresi1b(const DataX, DataY: array of Double; const RataanX, RataanY: Double; NumOf: Integer): Double; tmpa, tmpb, tmpc: array of Double; tota, totb: Double; I: Integer; SetLength(tmpA, NumOf); SetLength(tmpB, NumOf); SetLength(tmpC, NumOf); for I:=0 to NumOf-1 do tmpb[i] := DataX[I] - RataanX; tmpc[i] := DataY[I] - RataanY;

47 L47 tmpa[i] := tmpb[i] * tmpc[i]; tota := Sum(tmpA); totb := SumOfSquares(tmpB); // Kalau pembagi nol maka seharusnya NaN! // Note: MAXLONG ini hanya untuk mengindikasikan adanya pembagian dengan nol! if totb = 0 then Result := MAXLONG else Result := tota / totb; function yregresi1(const koefreg1a, koefreg1b: Double; const DataXi: Double): Double; Result := koefreg1a + koefreg1b * DataXi; function KuadratKorelasi(const DataYRegresi, DataY: array of Double; const RataanY: Double; NumOf: Integer): Double; tmpa, tmpb: array of Double; tota, totb: Double; I: Integer; SetLength(tmpA, NumOf); SetLength(tmpB, NumOf); for I:=0 to NumOf-1 do tmpa[i] := DataYRegresi[I] - RataanY; tmpb[i] := DataY[I] - RataanY; tota := SumOfSquares(tmpA); totb := SumOfSquares(tmpB); // Kalau pembagi nol maka seharusnya NaN! // Note: MAXLONG ini hanya untuk mengindikasikan adanya pembagian dengan nol! if totb = 0 then Result := MAXLONG else Result := tota / totb; function RataanKuadratSisa(const DataY, DataYRegresi: array of Double; p, NumOf: Integer): Double; tmp: array of Double; tota, totb: Double; I: Integer; SetLength(tmp, NumOf); for I:=0 to NumOf-1 do tmp[i] := DataY[I] - DataYRegresi[I];

LAMPIRAN Listing Program

LAMPIRAN Listing Program unit umain; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ComCtrls, StdCtrls, ExtCtrls, ExtDlgs, DCPcrypt2, DCPrc4, DCPsha1,