Строительство станций метрополитена

end;

procedure TEditUserDialog.CancelBtnClick(Sender: TObject);

begin

dsUsers.DataSet.Cancel;

ModalResult := mrCancel;

end;

procedure TEditUserDialog.FormHide(Sender: TObject);

begin

dsUsers.DataSet.Cancel;

UsersTable.Close;

end;

end.

unit Global;

interface

type

TUserLevel = (ulInvalid, ulOperator, ulManager, ulAdministrator);

const

InvalidID = 0;

glUserLevel: TUserLevel = ulInvalid;

glUserName: string = '';

glUserID: Longint = InvalidID;

function cUserLevel(Code: Longint): TUserLevel;

implementation

function cUserLevel(Code: Longint): TUserLevel;

begin

Result := ulInvalid;

if (Code in [Integer(Low(TUserLevel))..Integer(High(TUserLevel))]) then

Result := TUserLevel(Code);

end;

end.

unit Global;

interface

type

TUserLevel = (ulInvalid, ulOperator, ulManager, ulAdministrator);

const

InvalidID = 0;

glUserLevel: TUserLevel = ulInvalid;

glUserName: string = '';

glUserID: Longint = InvalidID;

function cUserLevel(Code: Longint): TUserLevel;

implementation

function cUserLevel(Code: Longint): TUserLevel;

begin

Result := ulInvalid;

if (Code in [Integer(Low(TUserLevel))..Integer(High(TUserLevel))]) then

Result := TUserLevel(Code);

end;

end.

unit Main;

interface

uses

SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics,

Controls, Forms, Dialogs, SpeedBar, Menus, ExtCtrls, Placemnt, DB,

DBSecur, DBTables;

type

TStaftForm = class(TForm)

SpeedBar: TSpeedBar;

ExitItem: TSpeedItem;

MainMenu: TMainMenu;

FileMenu: TMenuItem;

InsuranceMenuItem: TMenuItem;

FileMenuSeperator: TMenuItem;

PrinterSetupMenuItem: TMenuItem;

ExitMenuItem: TMenuItem;

DictSetupMenu: TMenuItem;

UserMenuItem: TMenuItem;

WindowMenu: TMenuItem;

TileMenuItem: TMenuItem;

CascadeMenuItem: TMenuItem;

MinimizeAllMenuItem: TMenuItem;

ArrangeAllMenuItem: TMenuItem;

HelpMenu: TMenuItem;

HelpContentsMenuItem: TMenuItem;

HelpMenuSeparator: TMenuItem;

AboutMenuItem: TMenuItem;

ChangePasswordItem: TSpeedItem;

PrintSetupItem: TSpeedItem;

CalcItem: TSpeedItem;

PrinterSetup: TPrinterSetupDialog;

TileWindowsItem: TSpeedItem;

CascadeWindowsItem: TSpeedItem;

HintPanel: TPanel;

DBSecurity1: TDBSecurity;

Database1: TDatabase;

EditItem: TMenuItem;

FormPlacement: TFormPlacement;

procedure ArrangeAllMenuItemClick(Sender: TObject);

procedure TileMenuItemClick(Sender: TObject);

procedure CascadeMenuItemClick(Sender: TObject);

procedure MinimizeAllMenuItemClick(Sender: TObject);

procedure AboutMenuItemClick(Sender: TObject);

procedure PrinterSetupMenuItemClick(Sender: TObject);

procedure ExitMenuItemClick(Sender: TObject);

procedure FormStorageRestorePlacement(Sender: TObject);

procedure FormStorageSavePlacement(Sender: TObject);

function DBSecurity1CheckUser(UsersTable: TTable;

const

Password: String): Boolean;

procedure UserMenuItemClick(Sender: TObject);

procedure FormCreate(Sender: TObject);

procedure FormDestroy(Sender: TObject);

procedure InsuranceMenuItemClick(Sender: TObject);

procedure ShowHint(Sender: TObject);

procedure EditItemClick(Sender: TObject);

private

procedure SetUserLevel;

procedure UpdateMenuItems(Sender: TObject);

function ShowForm(FormClass: TFormClass): TForm;

end;

var

StaftForm: TStaftForm;

implementation

uses

About, rxIni, VCLUtils, Global, AppUtils, EditUser, UserList,

EditTub, Calc1;

{$R *.DFM}

const

siMDIChilds = 'OpenMDIChilds';

procedure TStaftForm.SetUserLevel;

begin

case glUserLevel of

ulOperator:

begin

DictSetupMenu.Visible := False;

DictSetupMenu.Enabled := False;

UserMenuItem.Visible := False;

UserMenuItem.Enabled := False;

end;

ulManager:

begin

DictSetupMenu.Visible := True;

DictSetupMenu.Enabled := True;

UserMenuItem.Visible := False;

UserMenuItem.Enabled := False;

end;

ulAdministrator:

begin

DictSetupMenu.Visible := True;

DictSetupMenu.Enabled := True;

UserMenuItem.Visible := True;

UserMenuItem.Enabled := True;

end;

end;

end;

procedure TStaftForm.TileMenuItemClick(Sender: TObject);

begin

Tile;

end;

procedure TStaftForm.CascadeMenuItemClick(Sender: TObject);

begin

Cascade;

end;

procedure TStaftForm.MinimizeAllMenuItemClick(Sender: TObject);

var

I: Integer;

begin

for I := MDIChildCount - 1 downto 0 do

MDIChildren[I].WindowState := wsMinimized;

end;

procedure TStaftForm.ArrangeAllMenuItemClick(Sender: TObject);

begin

ArrangeIcons;

end;

procedure TStaftForm.AboutMenuItemClick(Sender: TObject);

begin

ShowAboutDialog('Расчет тюбинговой обделки', 'Королев А.В.',

'МГГУ', nil, 1, 0, 1996);

end;

procedure TStaftForm.PrinterSetupMenuItemClick(Sender: TObject);

begin

PrinterSetup.Execute;

end;

procedure TStaftForm.ExitMenuItemClick(Sender: TObject);

begin

Close;

end;

function TStaftForm.ShowForm(FormClass: TFormClass): TForm;

var

Form: TForm;

begin

Result := nil;

StartWait;

try

Form := FindForm(FormClass);

if Form = nil then

Application.CreateForm(FormClass, Form);

with Form do begin

if WindowState = wsMinimized then WindowState := wsNormal;

Show;

end;

Result := Form;

finally

StopWait;

end;

end;

procedure TStaftForm.FormStorageRestorePlacement(Sender: TObject);

var

IniFile: TrxIniFile;

List: TStrings;

I: Integer;

FormClass: TFormClass;

Form: TForm;

begin

StartWait;

try

SpeedBar.Visible := True;

IniFile := TrxIniFile.Create(FormPlacement.IniFileName);

try

if (glUserLevel in [ulManager, ulAdministrator]) then begin

List := TStringList.Create;

try

IniFile.ReadList(siMDIChilds, List);

for I := 0 to List.Count - 1 do begin

FormClass := TFormClass(GetClass(List[I]));

if FormClass <> nil then ShowForm(FormClass);

end;

finally

List.Free;

end;

end;

finally

IniFile.Free;

end;

finally

StopWait;

end;

end;

procedure TStaftForm.FormStorageSavePlacement(Sender: TObject);

var

IniFile: TrxIniFile;

List: TStrings;

I: Integer;

begin

IniFile := TrxIniFile.Create(FormPlacement.IniFileName);

try

IniFile.EraseSection(siMDIChilds);

List := TStringList.Create;

try

for I := MDIChildCount - 1 downto 0 do

List.Add(MDIChildren[I].ClassName);

if List.Count > 0 then

IniFile.WriteList(siMDIChilds, List);

finally

List.Free;

end;

finally

IniFile.Free;

end;

end;

function TStaftForm.DBSecurity1CheckUser(UsersTable: TTable;

const

Password: String): Boolean;

begin

Result := (Password = UsersTable.FieldByName('Password').AsString);

if Result then begin

glUserName := UsersTable.FieldByName('UserName').AsString;

glUserID := UsersTable.FieldByName('ID').AsInteger;

glUserLevel := cUserLevel(UsersTable.FieldByName('UserLevel')

AsInteger);

Result := (glUserLevel <> ulInvalid);

end;

if Result then SetUserLevel;

end;

procedure TStaftForm.UserMenuItemClick(Sender: TObject);

begin

ShowForm(TUserListForm);

end;

procedure TStaftForm.ShowHint(Sender: TObject);

begin

HintPanel.Caption := Application.Hint;

end;

procedure TStaftForm.UpdateMenuItems(Sender: TObject);

begin

{ Enable or disable menu items and buttons }

CascadeMenuItem.Enabled := MDIChildCount > 0;

TileMenuItem.Enabled := MDIChildCount > 0;

ArrangeAllMenuItem.Enabled := MDIChildCount > 0;

MinimizeAllMenuItem.Enabled := MDIChildCount > 0;

TileWindowsItem.Enabled := MDIChildCount > 0;

CascadeWindowsItem.Enabled := MDIChildCount > 0;

end;

procedure TStaftForm.FormCreate(Sender: TObject);

begin

Application.OnHint := ShowHint;

Screen.OnActiveFormChange := UpdateMenuItems;

SetAutoSubClass(True);

{ set wait cursor to SQL }

WaitCursor := crSQLWait;

{ register classes of MDI-child forms }

{RegisterClasses([TDictForm, TRatesForm, TItemReportForm]);}

end;

procedure TStaftForm.FormDestroy(Sender: TObject);

begin

Screen.OnActiveFormChange := nil;

Application.HelpCommand(HELP_QUIT,0);

end;

procedure TStaftForm.InsuranceMenuItemClick(Sender: TObject);

begin

Form1.ShowModal;

end;

procedure TStaftForm.EditItemClick(Sender: TObject);

begin

EditDataForm.Show;

end;

end.

unit UserList;

interface

uses

SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics,

Controls, Forms, Dialogs, DBCtrls, ExtCtrls, DBTables, DB, Grids,

DBGrids, RXDBCtrl, Placemnt, StdCtrls, Buttons;

type

TUserListForm = class(TForm)

UsersTable: TTable;

dsUsers: TDataSource;

UsersGrid: TrxDBGrid;

UsersTablePassword: TStringField;

Panel1: TPanel;

DBNavigator: TDBNavigator;

FormPlacement: TFormPlacement;

UsersTableID: TFloatField;

UsersTableUserName: TStringField;

UsersTableFullName: TStringField;

UsersTableUserLevel: TFloatField;

BitBtn1: TBitBtn;

procedure DBNavigatorClick(Sender: TObject; Button:

TNavigateBtn);

procedure UsersGridDblClick(Sender: TObject);

procedure FormPlacementSavePlacement(Sender: TObject);

procedure FormPlacementRestorePlacement(Sender: TObject);

procedure FormCreate(Sender: TObject);

procedure FormClose(Sender: TObject; var Action: TCloseAction);

end;

var

UserListForm: TUserListForm;

implementation

uses

EditUser, IniFiles, Global;

const

SAccessDenied = 'Недостаточно прав. Доступ запрещен';

{$R *.DFM}

procedure TUserListForm.DBNavigatorClick(Sender: TObject;

Button: TNavigateBtn);

begin

case Button of

nbInsert:

begin

EditUserData('', UsersTable, True);

end;

nbEdit:

begin

EditUserData('', UsersTable, False);

end;

end;

end;

procedure TUserListForm.UsersGridDblClick(Sender: TObject);

begin

EditUserData('', UsersTable, False);

end;

procedure TUserListForm.FormPlacementSavePlacement(Sender: TObject);

var

IniFile: TIniFile;

I: Integer;

begin

IniFile := TIniFile.Create(FormPlacement.IniFileName);

try

for I := 0 to ComponentCount - 1 do begin

if Components[I] is TrxDBGrid then

TrxDBGrid(Components[I]).SaveLayout(IniFile);

end;

finally

IniFile.Free;

end;

end;

procedure TUserListForm.FormPlacementRestorePlacement(Sender:

TObject);

var

IniFile: TIniFile;

I: Integer;

begin

IniFile := TIniFile.Create(FormPlacement.IniFileName);

try

for I := 0 to ComponentCount - 1 do begin

if Components[I] is TrxDBGrid then

TrxDBGrid(Components[I]).RestoreLayout(IniFile);

end;

finally

IniFile.Free;

end;

end;

procedure TUserListForm.FormCreate(Sender: TObject);

begin

if not (glUserLevel in [ulAdministrator]) then begin

raise Exception.Create(SAccessDenied);

end;

UsersTable.Open;

end;

procedure TUserListForm.FormClose(Sender: TObject;

var

Action: TCloseAction);

begin

Action := caFree;

end;

end.

program Shaft;

uses

Forms,

Main in 'MAIN.PAS' {StaftForm},

Global in 'GLOBAL.PAS',

EditUser in 'EDITUSER.PAS',

UserList in 'USERLIST.PAS' {UserListForm},

Edittub in 'EDITTUB.PAS' {EditDataForm},

Editform in 'EDITFORM.PAS' {EdTubForm},

Calc1 in 'CALC1.PAS' {Form1},

Draw in 'DRAW.PAS' {DrawForm};

{$R *.RES}

begin

Application.CreateForm(TStaftForm, StaftForm);

Application.CreateForm(TEditDataForm, EditDataForm);

Application.CreateForm(TEdTubForm, EdTubForm);

Application.CreateForm(TForm1, Form1);

Application.CreateForm(TDrawForm, DrawForm);

Application.Run;

end.

5. Список использованной литературы:

1. Баклашов И.В., Картозия Б.А. “Механика подземных сооружений и конструкций крепей” - М., Недра, 1992, 543 с.

2. Насонов И.Д., Федюкин В.А., Шуплик М.Н., “Технология строительства подземных сооружений” - М., Недра, 1992, 285 с.

Насонов И.Д., Шуплик М.Н. “Закономерности формирования ледопородных ограждений при сооружении стволов шахт” - М., Недра, 1976, 237 с.

Храпов В.Г. “Тоннели и метрополитены” - М., Транспорт, 1989, 383 с.

Белый В.В. “Справочник инженера шахтостроителя” в 2-х томах - М., 1983.

Туренский Н.Г., Ледяев А.П. “Строительство тоннелей и метрополитенов” - М., Транспорт, 1992, 264 с.

Богомолов Г.М., Голицынский Д.М., Сеславинский С.И. “Справочник инженера тоннельщика” - М., Транспорт, 1993, 389 с.