Дипломная работа: Разработка базы данных

FName:=DataModule1.IBDataSet1.FieldByName('File').AsString;

FName:=Concat(OpenDir+FName);

OpenFile(FName,OpenDir);

end;

procedure TMainForm.DataSetFindExecute(Sender: TObject);

begin

if not Assigned (FindForm) then

FindForm:= TFindForm.Create (Application);

FindForm.ShowModal;

if (DataModule1.fSearchRec>=0) then

DatasetFindNext.Enabled:=True

else

DatasetFindNext.Enabled:=False;

end;

procedure TMainForm.DataSetFindNextExecute(Sender: TObject);

const

Txt=’Источник не найден';

WinName='Поиск источника';

var

KeyFlds : ShortString;

KeyVals : Variant;

Loc : TLocateOptions;

Res : Boolean;

BM : TBookmark;

begin

BM:=DataModule1.IBDataSet1.GetBookmark;

FindForm.GetLocateParams(KeyFlds,KeyVals,Loc);

Res:=DataModule1.IBDataSet1.LocateNext(KeyFlds,KeyVals,Loc);

with DataModule1 do

fSearchRec:=IBDataSet1.RecNo;

if not Res then

begin

DataModule1.IBDataSet1.GotoBookmark(BM);

DataModule1.fSearchRec:=-1;

DataSetFindNext.Enabled:=False;

Application.MessageBox(Txt,WinName,mb_OK);

end;

DataModule1.IBDataSet1.FreeBookmark(BM);

end;

procedure TMainForm.DataSetFilterExecute(Sender: TObject);

begin

if not Assigned (FilterForm) then

FilterForm:= TFilterForm.Create(Application);

FilterForm.ShowModal;

end;

procedure TMainForm.DataSetAllExecute(Sender: TObject);

begin

DataModule1.IBDataSet1.Filtered:=False;

end;

procedure TMainForm.FileDataBasePathExecute(Sender: TObject);

begin

if not Assigned (PathForm) then

PathForm:= TPathForm.Create(Application);

PathForm.ShowModal;

DataSetRefrashExecute(Sender);

end;

procedure TMainForm.FileUserExecute(Sender: TObject);

var

Path : AnsiString;

User : ShortString;

Pass : ShortString;

begin

if not Assigned (UserForm) then

UserForm:= TUserForm.Create(Application);

with UserForm do

begin

ShowModal;

if ModalResult=mrOK then

begin

Path:=DataModule1.IBDatabase1.DatabaseName;

User:=UserForm.leUser.Text;

Pass:=UserForm.lePass.Text;

if not DataModule1.Connect(Path,User,Pass) then Close;

DataSetRefrashExecute(Sender);

DataModule1.SetAccess;

DataSetInsert.Enabled:=DataModule1.fWriter;

DataSetDelete.Enabled:=DataModule1.fWriter;

DataSetUpdate.Enabled:=DataModule1.fWriter;

end;

end;

end;

procedure TMainForm.OptColorExecute(Sender: TObject);

begin

if ColorDialog1.Execute then

begin

DBGrid1.Color:=ColorDialog1.Color;

DBMemo1.Color:=ColorDialog1.Color;

Edit1.Color:=ColorDialog1.Color;

end;

end;

procedure TMainForm.OptFontExecute(Sender: TObject);

begin

if FontDialog1.Execute then

begin

DBGrid1.Font.Assign(FontDialog1.Font);

DBMemo1.Font.Assign(FontDialog1.Font);

Edit1.Font.Assign(FontDialog1.Font);

end;

end;

procedure TMainForm.OptConfDelExecute(Sender: TObject);

begin

ConfirmDelete:=not ConfirmDelete;

end;

procedure TMainForm.HelpAboutExecute(Sender: TObject);

begin

if not Assigned (AboutBox) then

AboutBox:= TAboutBox.Create (Application);

AboutBox.ShowModal;

end;

end.

Приложение Г

Листинг модуля DBUnit.pas

unit DBUnit;

interface

uses

SysUtils, Classes, DB, IBDatabase, IBCustomDataSet, IBQuery, IBStoredProc;

type

TDataModule1 = class(TDataModule)

DataSource1: TDataSource;

IBDatabase1: TIBDatabase;

IBTransaction1: TIBTransaction;

IBDataSet1: TIBDataSet;

IBStoredProc1: TIBStoredProc;

function Connect(Path:ANSIString;

User, Password: ShortString): Boolean;

function InitDBParams: Boolean;

procedure SetAccess;

procedure CallInsertBook(Aut, Tit, Lan: ShortString;

Sec: TStream;

Arc: ANSIString;

Fil: ShortString;

var Num: Integer);

procedure CallUpdateBook(Num: Integer;

Aut, Tit, Lan: ShortString;

Sec: TStream;

Arc: ANSIString;

Fil: ShortString);

procedure CallDeleteBook;

procedure SetFilter(CaseFlag: Boolean; Aut, Tit, Lan, Sec: ShortString);

function IsFieldContainStr(Field, S: ShortString): Boolean;

procedure IBDataSet1FilterRecord(DataSet: TDataSet; var Accept: Boolean);

procedure IBDataSet1AfterScroll(DataSet: TDataSet);

private

fCase : Boolean;

fFltrAut: ShortString;

fFltrTit: ShortString;

fFltrLan: ShortString;

fFltrSec: ShortString;

public

fSearchRec : Integer;

fSearchKey : ShortString;

fSearchCase: Boolean;

fWriter : Boolean;

fUser : ShortString;

fPass : ShortString;

fServer : ShortString;

fFile : ShortString;

end;

var

DataModule1: TDataModule1;

implementation

uses StrUtils, DBTables, Dialogs, Main, Data;

{$R *.dfm}

{ TDataModule1 }

function TDataModule1.Connect(Path:ANSIString;

User, Password: ShortString): Boolean;

const

ParamNames: array[0..3] of ShortString = (

'lc_ctype=',

'sql_role_name=',

'user_name=',

'password=');

CharSet='WIN1251';

SQLRole='3';

ErrPathUserPass='Неверный путь к базе или пароль пользователя';

ErrFatal='Соединение с базой данных не возможно';

var

OldUser: ShortString;

OldPass: ShortString;

OldPath: AnsiString;

begin

OldPath:='';

OldUser:='';

OldPass:='';

with IBDataBase1 do

begin

IBDataBase1.Connected:=False;

if Params.Count<>0 then

begin

OldUser:=fUser;

OldPass:=fPass;

OldPath:=DataBaseName;

end;

IBDataBase1.Params.Clear;

Params.Add(Concat(ParamNames[0],CharSet));

Params.Add(Concat(ParamNames[1],SQLRole));

Params.Add(Concat(ParamNames[2],User));

Params.Add(Concat(ParamNames[3],Password));

LoginPrompt:=False;

DatabaseName:=Path;

end;

try

IBDataBase1.Connected:=True;

fUser:=User;

fPass:=Password;

except

ShowMessage(ErrPathUserPass);

if (OldPath<>'') and (OldUser<>'') and (OldPass<>'') then

with IBDataBase1 do

begin

DatabaseName:=OldPath;

Params[2]:=OldUser;

Params[3]:=OldPass;

Connected:=False;

try

Connected:=True;

fUser:=User;

fPass:=Password;

except

ShowMessage(ErrFatal);

end;

end;

end;

Result:=IBDataBase1.Connected;

end;

function TDataModule1.InitDBParams: Boolean;

var

Path: ANSIString;

begin

fUser:=ParamStr(1);

fPass:=ParamStr(2);

fServer:=Paramstr(3);

fFile:=Paramstr(4);

if (fUser='') then fUser:=DBDefaultUser;

if (fPass='') then fPass:=DBDefaultPass;

if (fServer='') then fServer:=DBDefaultServer;

if (fFile='') then fFile:=DBDefaultFile;

Path:=Concat(fServer,':',fFile);

Result:=DataModule1.Connect(Path,fUser,fPass);

end;

procedure TDataModule1.SetAccess;

begin

with IBStoredProc1 do

begin

StoredProcName:='IsWriter';

Prepare;

try

ExecProc;

fWriter:=True;

except

fWriter:=False;

end;

end;

end;

procedure TDataModule1.CallInsertBook(Aut, Tit, Lan: ShortString;

Sec: TStream;

Arc: ANSIString;

Fil: ShortString;

var Num: Integer);

begin

with IBStoredProc1 do

begin

StoredProcName:='InsertBook';

ParamByName('ipAut').Value:=Aut;

ParamByName('ipTit').Value:=Tit;

ParamByName('ipLan').Value:=Lan;

ParamByName('ipSec').LoadFromStream(Sec,ftMemo);

ParamByName('ipArc').Value:=Arc;

ParamByName('ipFil').Value:=Fil;

Prepare;

ExecProc;

Num:=ParamByName('opNum').Value;

end;

end;

procedure TDataModule1.CallUpdateBook(Num: Integer;

Aut, Tit, Lan: ShortString;

Sec: TStream;

Arc: ANSIString;

Fil: ShortString);

begin

with IBStoredProc1 do

begin

StoredProcName:='UpdateBook';

ParamByName('ipNum').Value:=Num;

ParamByName('ipAut').Value:=Aut;

ParamByName('ipTit').Value:=Tit;

ParamByName('ipLan').Value:=Lan;

ParamByName('ipSec').LoadFromStream(Sec,ftMemo);

ParamByName('ipArc').Value:=Arc;

ParamByName('ipFil').Value:=Fil;

Prepare;

ExecProc;

end;

end;

procedure TDataModule1.CallDeleteBook;

begin

if (IBDataSet1.RecNo<>0) then

with IBStoredProc1 do

begin

StoredProcName:='DeleteBook';

ParamByName('Num').Value:=IBDataSet1.Fields.Fields[0].Value;

Prepare;

ExecProc;

end;

end;

procedure TDataModule1.SetFilter(CaseFlag: Boolean;

Aut, Tit, Lan,Sec: ShortString);

begin

fCase:=CaseFlag;

fFltrAut:=Aut;

fFltrTit:=Tit;

fFltrLan:=Lan;

fFltrSec:=Sec;

IBDataSet1.Filtered:=False;

IBDataSet1.Filtered:=True;

end;

function TDataModule1.IsFieldContainStr(Field, S: ShortString): Boolean;

begin

if Trim(S)<>'' then

if fCase then

Result:=ANSIContainsStr(Field,S)

else

Result:=ANSIContainsText(Field,S)

else

Result:=True;

end;

procedure TDataModule1.IBDataSet1FilterRecord(DataSet: TDataSet;

var Accept: Boolean);

var

Aut: Boolean;

Tit: Boolean;

Lan: Boolean;

Sec: Boolean;

begin

Aut:=IsFieldContainStr(DataSet['Author'],fFltrAut);

Tit:=IsFieldContainStr(DataSet['Title'],fFltrTit);

Lan:=IsFieldContainStr(DataSet['Language'],fFltrLan);

Sec:=IsFieldContainStr(DataSet['Sections'],fFltrSec);

Accept:=Aut and Tit and Lan and Sec;

end;

procedure TDataModule1.IBDataSet1AfterScroll(DataSet: TDataSet);

var

Stream: TStream;

begin

if not IBDataSet1.FieldByName('Sections').IsNull then

begin

Stream:=IBDataSet1.CreateBlobStream(IBDataSet1.FieldByName('Sections'),bmRead);

Stream.Free;

end;

end;

end.

Приложение Д

Листинг модуля Edit.pas

unit Edit;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, StdCtrls, ExtCtrls, Buttons, CheckLst, Mask, Menus, ActnList;

type

TEditForm = class(TForm)

Panel1: TPanel;

BCancel: TBitBtn;

BOK: TBitBtn;

Panel2: TPanel;

RadioGroupSource: TRadioGroup;

OpenDialogArc: TOpenDialog;

GroupBoxData: TGroupBox;

LabelTit: TLabel;

LabelLan: TLabel;

LabelTyp: TLabel;

LabelAut: TLabel;

ComboBoxAut: TComboBox;

ComboBoxTit: TComboBox;

ComboBoxLan: TComboBox;

GroupBoxSections: TGroupBox;

GroupBoxPath: TGroupBox;

LabelDir: TLabel;

EditDir: TEdit;

BBrowseDir: TBitBtn;

LabelArc: TLabel;

EditArc: TEdit;

BBrowseArc: TBitBtn;

LabelFile: TLabel;

EditFile: TEdit;

BBrowseFile: TBitBtn;

EditNewArc: TEdit;

LabelNewArc: TLabel;

Memo1: TMemo;

procedure FormActivate(Sender: TObject);

procedure SetComboBox(FieldNum: Integer; CBox: TComboBox);

procedure BBrowseArcClick(Sender: TObject);

procedure BBrowseFileClick(Sender: TObject);

procedure RadioGroupSourceClick(Sender: TObject);

procedure BBrowseDirClick(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

var

EditForm: TEditForm;

implementation

uses DB, DirSource, DBUnit, Files, Data;

{$R *.dfm}

procedure TEditForm.FormActivate(Sender: TObject);

begin

SetComboBox(1,ComboBoxAut);

SetComboBox(2,ComboBoxTit);

SetComboBox(3,ComboBoxLan);

RadioGroupSourceClick(Sender);

end;

procedure TEditForm.SetComboBox(FieldNum: Integer; CBox: TComboBox);

var

B : TBookmark;

S : ShortString;

Present: Boolean;

I : Integer;

begin

CBox.Items.Clear;

with DataModule1.IBDataSet1 do

begin

B:=GetBookmark;

First;

DisableControls;

while not EOF do

begin

S:=Fields.Fields[FieldNum].AsString;

if S<>'' then

begin

Present:=False;

for I:=0 to CBox.Items.Count-1 do

if S=CBox.Items.Strings[I] then

begin

Present:=True;

Break;

end;

if (not Present) then

CBox.Items.Add(S);

end;

Next;

end;

GotoBookmark(B);

FreeBookmark(B);

EnableControls;

end;

end;

procedure TEditForm.BBrowseArcClick(Sender: TObject);

begin

with OpenDialogArc do

begin

Title:='Поиск архива';

Filter :=

'Любые архивы|*.RAR;*ZIP;*ARJ'+

'Любые файлы|*.*'+

'RAR-архивы (*.rar)|*.RAR|'+

'ZIP-архивы (*.zip)|*.ZIP|'+

'ARJ-архивы (*.arj)|*.ARJ'; InitialDir:=InitDir;

if Execute then

begin

EditArc.Text:=FileName;

BBrowseFile.Enabled:=True;

EditFile.Text:='';

end;

end;

end;

procedure TEditForm.BBrowseFileClick(Sender: TObject);

var

ArcPath: ANSIString;

OpenDir: ANSIString;

Res : Boolean;

OpenDialogFile: TOpenDialog;

begin

Res:=True;

if RadioGroupSource.ItemIndex = 1 then

begin

Res:=CopyFiles(EditForm.Handle,EditArc.Text,

Root+TmpDir+ExtractFileName(EditArc.Text))=0;

if Res then

begin

ArcPath:=Concat(Root,TmpDir,ExtractFileName(EditArc.Text));

OpenDir:=Concat(Root,BrowseDir);

Res:=UnPackFiles(ArcPath,OpenDir);

end;

end;

if Res then

begin

OpenDialogFile:=TOpenDialog.Create(Application);

with OpenDialogFile do

begin

InitialDir:='E:\Andrew\';

Title:='Главный файл';

Filter :=

'Любые документы |'+

'*.TXT;*.DOC;*.RTF;*.WRI;*.PDF;*.HTM;*.HTML;*.SHTML;*.XML|'+

'Любые файлы (*.*)|*.*|'+

'Текстовые файлы (*.txt)|*.TXT|'+

'Докуметы Word(*.doc)|*.DOC|'+

'Rich Text Format(*.rtf)|*.RTF|'+

'Текст в формате WRI(*.wri)|*.WRI|'+

'Документы Acrobat (*.pdf)|*.PDF|'+

'Web-страницы(*.htm, *.html, *.shtml, *.xml)|*.HTM;*.HTML;*.SHTML;*. case RadioGroupSource.ItemIndex of

0: InitialDir:=DirSourceForm.ShellComboBox1.Path;

1: InitialDir:=Root+BrowseDir;

2: InitialDir:=InitDir;

end;

if Execute then

case RadioGroupSource.ItemIndex of

0: EditFile.Text:=ExtractFileName(FileName);

1: EditFile.Text:=ExtractFileName(FileName);

2: EditFile.Text:=FileName;

end;

end;

OpenDialogFile.Free;

end;

if RadioGroupSource.ItemIndex = 1 then

begin

DeleteFiles(EditForm.Handle,Root+BrowseDir+'*.*');

DeleteFiles(EditForm.Handle,Root+TmpDir+ExtractFileName(EditArc.Text));

end;

end;

procedure TEditForm.RadioGroupSourceClick(Sender: TObject);

begin

LabelDir.Enabled:=RadioGroupSource.ItemIndex = 0;

EditDir.Enabled:=RadioGroupSource.ItemIndex = 0;

BBrowseDir.Enabled:=RadioGroupSource.ItemIndex = 0;

LabelArc.Enabled:=RadioGroupSource.ItemIndex = 1;

EditArc.Enabled:=RadioGroupSource.ItemIndex = 1;

BBrowseArc.Enabled:=RadioGroupSource.ItemIndex = 1;

end;

procedure TEditForm.BBrowseDirClick(Sender: TObject);

begin

if not Assigned (DirSourceForm) then

DirSourceForm:= TDirSourceForm.Create (Application);

DirSourceForm.ShowModal;

if DirSourceForm.ModalResult = mrOK then

EditDir.Text:=DirSourceForm.ShellComboBox1.Path;

end;

end.

Приложение Е

Листинг модуля Delete.pas

unit Delete;

interface

uses Windows, SysUtils, Classes, Graphics, Forms, Controls, StdCtrls,

Buttons, ExtCtrls;

type

TDeleteForm = class(TForm)

Bevel1: TBevel;

Label1: TLabel;

BYes: TBitBtn;

BNo: TBitBtn;

Image1: TImage;

private

{ Private declarations }

public

{ Public declarations }

end;

var

DeleteForm: TDeleteForm;

implementation

{$R *.dfm}

end.

Приложение Ж

Листинг модуля Filter.pas

unit Filter;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, StdCtrls, Buttons, ExtCtrls;

type

TFilterForm = class(TForm)

Panel1: TPanel;

Panel2: TPanel;

GBFilterValue: TGroupBox;

EditAut: TEdit;

EditTit: TEdit;

EditLan: TEdit;

LabelAut: TLabel;

LabelTit: TLabel;

LabelLan: TLabel;

BBOK: TBitBtn;

BBCancel: TBitBtn;

LabelSec: TLabel;

EditSec: TEdit;

CBCase: TCheckBox;

procedure FormDeactivate(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

var

FilterForm: TFilterForm;

implementation

uses DB, DBUnit;

{$R *.dfm}

procedure TFilterForm.FormDeactivate(Sender: TObject);

begin

if ModalResult=mrOK then

DataModule1.SetFilter(CBCase.Checked,

EditAut.Text,

EditTit.Text,

EditLan.Text,

EditSec.Text);

end;

end.

Приложение З

Листинг модуля Find.pas

unit Find;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, ExtCtrls, StdCtrls, Buttons, DB;

type

TFindForm = class(TForm)

Panel1: TPanel;

BOK: TBitBtn;

Panel2: TPanel;

gbValue: TGroupBox;

LabelAut: TLabel;

LabelTit: TLabel;

LabelLan: TLabel;

LabelSec: TLabel;

EditAut: TEdit;

EditTit: TEdit;

EditLan: TEdit;

EditSec: TEdit;

BCancel: TBitBtn;

EditNum: TEdit;

LabelNum: TLabel;

gbParam: TGroupBox;

CheckBoxCase: TCheckBox;

CheckBoxSubStr: TCheckBox;

procedure FormDeactivate(Sender: TObject);

procedure SetFieldParams(FldNum: Byte;

var Fields: ShortString; var Values: Variant);

procedure GetLocateParams(var KeyFields: ShortString;

var KeyValues: Variant; var Options: TLocateOptions);

private

{ Private declarations }

public

{ Public declarations }

end;

var

FindForm: TFindForm;

implementation

uses DBUnit, Data;

{$R *.dfm}

procedure TFindForm.FormDeactivate(Sender: TObject);

const

Txt='Источник не найден';

WinName='Поиск источника';

var

KeyFlds : ShortString;

KeyVals : Variant;

Loc : TLocateOptions;

Res : Boolean;

BM : TBookmark;

begin

if ModalResult=mrOK then

begin

BM:=DataModule1.IBDataSet1.GetBookmark;

GetLocateParams(KeyFlds,KeyVals,Loc);

Res:=DataModule1.IBDataSet1.Locate(KeyFlds,KeyVals,Loc);

with DataModule1 do

fSearchRec:=IBDataSet1.RecNo;

if not Res then

begin

DataModule1.IBDataSet1.GotoBookmark(BM);

DataModule1.fSearchRec:=-1;

Application.MessageBox(Txt,WinName,mb_OK);

end;

DataModule1.IBDataSet1.FreeBookmark(BM);

end;

end;

procedure TFindForm.GetLocateParams(var KeyFields: ShortString;

var KeyValues: Variant; var Options: TLocateOptions);

begin

KeyFields:='';

KeyValues:=VarArrayOf([]);

SetFieldParams(0,KeyFields,KeyValues);

SetFieldParams(1,KeyFields,KeyValues);

SetFieldParams(2,KeyFields,KeyValues);

SetFieldParams(3,KeyFields,KeyValues);

SetFieldParams(4,KeyFields,KeyValues);

Options:=[];

if CheckBoxCase.Checked then

Options:=Options+[loCaseInsensitive];

if CheckBoxSubStr.Checked then

Options:=Options+[loPartialKey];

end;

procedure TFindForm.SetFieldParams(FldNum: Byte;

var Fields: ShortString; var Values: Variant);

var

S: ShortString;

N: Integer;

begin

case FldNum of

0: S:=EditNum.Text;

1: S:=EditAut.Text;

2: S:=EditTit.Text;

3: S:=EditLan.Text;

4: S:=EditSec.Text;

end;

S:=Trim(S);

if S<>'' then

begin

Fields:=Concat(Fields,FieldNames[FldNum],';');

N:=VarArrayHighBound(Values,1)+1;

VarArrayRedim(Values,N);

if (FldNum = 0) then

Values[N]:=StrToInt(S)

else

Values[N]:=S;

end;

end;

end.

Приложение И

Листинг модуля DirSource.pas

unit DirSource;

interface

uses Windows, SysUtils, Classes, Graphics, Forms, Controls, StdCtrls,

Buttons, ExtCtrls, ComCtrls, ShellCtrls;

type

TDirSourceForm = class(TForm)

Bevel1: TBevel;

BCancel: TBitBtn;

BOK: TBitBtn;

ShellComboBox1: TShellComboBox;

ShellTreeView1: TShellTreeView;

private

{ Private declarations }

public

{ Public declarations }

end;

var

DirSourceForm: TDirSourceForm;

implementation

{$R *.dfm}

end.

Приложение К

Листинг модуля Path.pas

unit Path;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, StdCtrls, ExtCtrls, Buttons;

type

TPathForm = class(TForm)

Panel1: TPanel;

BBOK: TBitBtn;

BBCancel: TBitBtn;

Panel2: TPanel;

leServer: TLabeledEdit;

leFile: TLabeledEdit;

procedure FormActivate(Sender: TObject);

procedure FormDeactivate(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

var

PathForm: TPathForm;

implementation

uses Data, DBUnit;

{$R *.dfm}

procedure TPathForm.FormActivate(Sender: TObject);

begin

leServer.Text:=DataModule1.fServer;

leFile.Text:=DataModule1.fFile;

end;

procedure TPathForm.FormDeactivate(Sender: TObject);

var

Path : AnsiString;

User : ShortString;

Pass : ShortString;

begin

if ModalResult=mrOK then

begin

Path:=Concat(leServer.Text,':',lefile.Text);

User:=DataModule1.fUser;

Pass:=DataModule1.fPass;

if not DataModule1.Connect(Path,User,Pass) then Close;

end;

end;

end.

Приложение Л

Листинг модуля User.pas

unit User;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, StdCtrls, ExtCtrls, Buttons;

type

TUserForm = class(TForm)

Panel1: TPanel;

BBOK: TBitBtn;

BBCancel: TBitBtn;

Panel2: TPanel;

leUser: TLabeledEdit;

lePass: TLabeledEdit;

private

{ Private declarations }

public

{ Public declarations }

end;

var

UserForm: TUserForm;

implementation

{$R *.dfm}

end.

Приложение М

Листинг модуля About.pas

unit About;

interface

uses Windows, SysUtils, Classes, Graphics, Forms, Controls, StdCtrls,

Buttons, ExtCtrls, jpeg;

type

TAboutBox = class(TForm)

Panel1: TPanel;

ProgramIcon: TImage;

ProductName: TLabel;

Version: TLabel;

Copyright: TLabel;

Comments: TLabel;

BitBtnOK: TBitBtn;

Date: TLabel;

private

{ Private declarations }

public

{ Public declarations }

end;

var

AboutBox: TAboutBox;

implementation

{$R *.dfm}

end.

Приложение Н

Листинг модуля Data.pas

unit Data;

{$WRITEABLECONST ON}

interface

uses Graphics;

const

DBDefaultServer: ShortString ='Server-1';

DBDefaultFile: ANSIString ='G:\LibDB\Lib.gdb';

LibDir='\\Server-1\_Literature\__\';

InitDir='\\Server-1\_Literature\';

DBDefaultUser: ShortString ='GUEST';

DBDefaultPass: ShortString ='please';

IniFile='Lib.ini';

TmpDir='Tmp\';

BrowseDir=TmpDir+'Browse\';

TmpFile='Tmp';

ArcExt='.rar';

PathLen =1000;

InsertWinName=Добавление нового источника';

EditWinName='Редактирование источника ';

DeleteWinName='Удаление источника ';

FieldNames: array [0..4] of ShortString=(

'Number', 'Author', 'Title', 'Language', 'Sections');

SQLSortBy : array [0..4] of ShortString=(

'ORDER BY "Number" ',

'ORDER BY "Author" ',

'ORDER BY "Title" ',

'ORDER BY "Language" ',

'');

SQLSortDir: array [0..1] of ShortString=(

'',

'DESC');

DefaultWinState = 2;

DefaultWinTop = 0;

DefaultWinBottom = 0;

DefaultWinLeft = 400;

DefaultWinRight = 600;

DefaultMemoTop = 0;

DefaultMemoBottom = 0;

DefaultMemoLeft = 400;

DefaultMemoRight = 600;

DefaultGrid0= 36;

DefaultGrid1= 117;

DefaultGrid2= 279;

DefaultGrid3= 52;

DefaultGrid4= 150;

DefaultGrid5= 122;

DefaultColor= clWindow;

DefaultFontCharset= 1 ;

DefaultFontColor=clWindowText;

DefaultFontHeight=-11;

DefaultFontName='MS Sans Serif';

DefaultFontPitch=Ord(fpDefault);

DefaultFontSize=8;

DefaultFontBold=False;

DefaultFontItalic=False;

DefaultFontUnderLine=False;

DefaultFontStrikeOut=False;

ConfirmDelete: Boolean = True;

var

Root : ANSIString;

implementation

end.

Приложение О

Листинг модуля Files.pas

unit Files;

interface

uses Windows, SysUtils, Dialogs, IniFiles;

function CopyFiles(Handle:HWND; Source, Dest: ANSIString): Longint;

procedure DeleteFileExt(var Name:ANSIString);

function DeleteFiles(Handle:HWND; Source: ANSIString): Longint;

function ExtractFileLastDir(Name: ANSIString): ANSIString;

function GetNewArcName(Path: ShortString): ShortString;

procedure OpenFile(FileName: TFileName; Dir:ANSIString);

function PackFiles(ArcName, Path: ANSIString): Boolean;

function RunApp(Title, Name, CmdLn: ANSIString): DWORD;

function UnPackFiles(ArcName, Dir: ANSIString): Boolean;

implementation

uses ShellAPI, Forms, Classes, Data;

const

NError=3;

ErrorMsg: array[1..NError] of ShortString=(

'Упаковка файлов прервана',

'Распаковка временных файлов прервана',

'Файл неоткрывается');

RARName ='Rar.exe';

WinRARName='WinRar';

PackKey='a -ep1';

UnPackKey='x';

RARTitle='Óïàêîâêà ôàéëîâ';

Bl =' ';

function CopyFiles(Handle:HWND; Source, Dest: ANSIString): Longint;

var

F : TSHFileOpStruct;

Buffer1: array[0..4096] of Char;

Buffer2: array[0..4096] of Char;

S : PChar;

D : PChar;

begin

FillChar(Buffer1, SizeOf(Buffer1), #0);

FillChar(Buffer2, SizeOf(Buffer2), #0);

S := @Buffer1;

D := @Buffer2;

StrPCopy(S, Source);

StrPCopy(D, Dest);

FillChar(F, SizeOf(F), #0);

F.Wnd := Handle;

F.wFunc := FO_COPY;

F.pFrom := @Buffer1;

F.pTo := @Buffer2;

F.fFlags := 0;

Result:=SHFileOperation(F);

end;

procedure DeleteFileExt(var Name:ANSIString);

var

Ext : ShortString;

LenExt : Integer;

LenName: Integer;

begin

Ext:=ExtractFileExt(Name);

LenExt:=Length(Ext);

LenName:=Length(Name);

Delete(Name,LenName-LenExt+1,LenName);

end;

function DeleteFiles(Handle:HWND; Source: ANSIString): Longint;

var

F : TSHFileOpStruct;

Buffer: array[0..4096] of Char;

S : PChar;

begin

FillChar(Buffer, SizeOf(Buffer), #0);

S := @Buffer;

StrPCopy(S, Source);

FillChar(F, SizeOf(F), #0);

F.Wnd := Handle;

F.wFunc := FO_DELETE;

F.pFrom := @Buffer;

F.fFlags := FOF_NOCONFIRMATION;

Result:=SHFileOperation(F);

end;

function ExtractFileLastDir(Name: ANSIString): ANSIString;

var

I: Integer;

L: Integer;

begin

L:=Length(Name);

I:=L+1;

repeat

Dec(I);

until Name[I]='\';

Result:=Copy(Name,I,L-I);

end;

function GetNewArcName(Path: ShortString): ShortString;

var

ExtLen : Integer;

NameLen: Integer;

I : Integer;

Ext : ShortString;

Dir : ShortString;

Name : ShortString;

begin

Dir:=ExtractFilePath(Path);

Name:=ExtractFileName(Path);

if Trim(Name)='' then

Name:='Arc';

if FileExists(Dir+Name) then

begin

Ext:=ExtractFileExt(Name);

ExtLen:=Length(Ext);

NameLen:=Length(Name);

Insert('1',Name,NameLen-ExtLen+1);

I:=2;

while FileExists(Dir+Name) do

begin

Delete(Name,NameLen-ExtLen+1,Length(Name));

Name:=Concat(Name,IntToStr(I),Ext);

Inc(I);

end;

end;

Ext:=ExtractFileExt(Name);

if Ext='' then

Name:=Concat(Name,ArcExt);

Result:=Concat(Dir,Name);

end;

procedure OpenFile(FileName: TFileName; Dir:ANSIString);

var

PPath : PChar;

POpenDir: PChar;

Res : DWORD;

begin

FileName:=Concat(FileName);

GetMem(PPath,PathLen);

GetMem(POpenDir,Length(Dir)+1);

StrPCopy(POpenDir,Dir);

FindExecutable(PChar(FileName),PChar(Dir),PPath);

Res:=ShellExecute(Application.Handle,'open',PPath,PChar(FileName),

POpenDir,SW_SHOWNORMAL);

if Res<32 then

ShowMessage(ErrorMsg[3]);

FreeMem(POpenDir);

FreeMem(PPath);

end;

function PackFiles(ArcName, Path: ANSIString): Boolean;

var

Param : ShortString;

Res : DWORD;

PPath : PChar;

F : TFileStream;

FName : TFileName;

begin

FName:=Concat(Root,TmpDir,TmpFile,'1',ArcExt);

F:=TFileStream.Create(FName,fmCreate);

GetMem(PPath, PathLen);

if FindExecutable(PChar(FName),PChar(0),PPath)>32 then

begin

Param:=Concat(WinRARName,Bl,PackKey,Bl,ArcName,Bl,Path);

Res:=RunApp('',PPath,Param);

end

else

begin

Res:=0;

end;

if (Res<>0) then

begin

DeleteFiles(Application.Handle,ArcName);

ShowMessage(ErrorMsg[1]);

Result:=False;

end

else

Result:=True;

FreeMem(PPath);

F.Free;

DeleteFiles(Application.Handle,FName);

end;

function RunApp(Title, Name, CmdLn: ANSIString):DWORD;

var

Startup: TStartupInfo;

Process: TProcessInformation;

Status : DWORD;

Env : Pointer;

begin

ChDir(Root);

New(Env);

Startup.lpReserved := PChar(0);

Startup.lpDesktop := PChar(0);

Startup.lpTitle := PChar(Title);

Startup.dwFlags := STARTF_USESHOWWINDOW;

Startup.wShowWindow := SW_SHOWNORMAL;

Startup.cbReserved2 := 0;

Startup.lpReserved2 := PByte(0);

if CreateProcess(

PChar(Name), // lpApplicationName

PChar(CmdLn), // lpCommandLine

PSecurityAttributes(0), // lpProcessAttributes

PSecurityAttributes(0), // lpThreadAttributes

False, // bInheritHandles

NORMAL_PRIORITY_CLASS, // dwCreationFlags

Env, // lpEnvironment

PChar(0), // lpCurrentDirectory

Startup, // lpStartupInfo

Process // lpProcessInformation

)then

begin

GetExitCodeProcess(Process.hProcess, Status);

while Status = STILL_ACTIVE do

begin

Sleep(10);

GetExitCodeProcess(Process.hProcess, Status);

end;

end;

Dispose(Env);

Result:=Status;

end;

function UnPackFiles(ArcName, Dir: ANSIString): Boolean;

var

PPath : PChar;

Param : ShortString;

Res : DWORD;

begin

ArcName:=Concat('"',ArcName,'"');

GetMem(PPath, PathLen);

if FindExecutable(PChar(ArcName),PChar(0),PPath)>32 then

begin

Param:=Concat(WinRARName,Bl,UnPackKey,Bl,ArcName,Bl,Dir);

Res:=RunApp('',PPath,Param);

end

else

begin

Res:=0;

end;

FreeMem(PPath);

if Res<>0 then

begin

DeleteFiles(Application.Handle,Dir+'*.*');

ShowMessage(ErrorMsg[2]);

Result:=False;

end

else

Result:=True;

end;

end.