Курсовая работа: Технология строительства метрополитена
Table1.Open;
DataSource1.DataSet := Table1;
end;
if IsNew then begin
DataSource1.DataSet.Append;
DataSource1.DataSet.FieldByName('Stuff').AsInteger := Code;
end
else DataSource1.DataSet.Edit;
Result := ShowModal = mrOk;
if Result then
DataSource1.DataSet.Post
else
DataSource1.DataSet.Cancel;
end;
procedure TEdTubForm.FormCreate(Sender: TObject);
begin
Query1.Active := False;
Query1.ParamByName('St').AsInteger := FCode;
Query1.Active := True;
end;
end.
unit EditUser;
interface
uses
SysUtils, WinTypes, WinProcs, Classes, Graphics, Forms, Controls,
Buttons, StdCtrls, ExtCtrls, DBCtrls, Mask, DB, DBTables;
type
TEditUserDialog = class(TForm)
OKBtn: TBitBtn;
CancelBtn: TBitBtn;
UsersTable: TTable;
dsUsers: TDataSource;
NameEdit: TDBEdit;
FullNameEdit: TDBEdit;
GroupBox: TGroupBox;
PasswordEdit: TDBEdit;
ConfirmPassword: TEdit;
Label1: TLabel;
Label2: TLabel;
LevelGroup: TDBRadioGroup;
procedure OKBtnClick(Sender: TObject);
procedure CancelBtnClick(Sender: TObject);
procedure FormHide(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
function EditUser(const UserName: string; Table: TTable; IsNew:
Boolean): Boolean;
end;
var
EditUserDialog: TEditUserDialog;
function EditUserData(const UserName: string; Table: TTable;
IsNew: Boolean): Boolean;
implementation
uses
Global, Crypt;
{$R *.DFM}
const
SNotFound = 'Записей не обнаружено';
SNoConfirmPassword = 'Вы ввели разные пароли. Проверьте
правильность ввода';
function EditUserData(const UserName: string; Table: TTable;
IsNew: Boolean): Boolean;
var
SUName: string;
begin
Result := False;
SUName := UserName;
if glUserLevel <> ulAdministrator then begin
Table := nil;
SUName := glUserName;
end;
with TEditUserDialog.Create(Application) do
try
Result := EditUser(SUName, Table, IsNew);
finally
Free;
end;
end;
{ TEditUserDialog }
function TEditUserDialog.EditUser(const UserName: string; Table:
Ttable; IsNew: Boolean): Boolean;
begin
NameEdit.Enabled := (glUserLevel = ulAdministrator);
LevelGroup.Enabled := (glUserLevel = ulAdministrator);
if Table <> nil then begin
dsUsers.DataSet := Table;
UsersTable.Close;
end
else begin
UsersTable.Open;
if UserName <> '' then begin
if not UsersTable.FindKey([UserName]) then
raise Exception.Create(SNotFound);
end;
dsUsers.DataSet := UsersTable;
end;
if IsNew then dsUsers.DataSet.Append
else dsUsers.DataSet.Edit;
ConfirmPassword.Text := PasswordEdit.Text;
Result := ShowModal = mrOk;
end;
procedure TEditUserDialog.OKBtnClick(Sender: TObject);
begin
if PasswordEdit.Text <> ConfirmPassword.Text then
raise Exception.Create(SNoConfirmPassword);
dsUsers.DataSet.Post;
ModalResult := mrOk;
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.
3. Насонов И.Д., Шуплик М.Н. “Закономерности формирования ледопородных ограждений при сооружении стволов шахт” - М., Недра, 1976, 237 с.
4. Храпов В.Г. “Тоннели и метрополитены” - М., Транспорт, 1989, 383 с.
5. Белый В.В. “Справочник инженера шахтостроителя” в 2-х томах - М., 1983
6. Туренский Н.Г., Ледяев А.П. “Строительство тоннелей и метрополитенов” - М., Транспорт, 1992, 264 с.
7. Богомолов Г.М., Голицынский Д.М. Сеславинский С.И. “Справочник инженера тоннельщика” - М., Транспорт, 1993, 389 с.
