| 1 |
unit Unit1; |
| 2 |
|
| 3 |
{$mode objfpc}{$H+} |
| 4 |
|
| 5 |
interface |
| 6 |
|
| 7 |
uses |
| 8 |
Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, DBGrids, |
| 9 |
StdCtrls, ActnList, EditBtn, DbCtrls, ExtCtrls, Buttons, IBDatabase, IBQuery, |
| 10 |
IBCustomDataSet, IBSQL, IBDynamicGrid, IBLookupComboEditBox, |
| 11 |
IBLocalDBSupport, db, DBExtCtrls, Menus; |
| 12 |
|
| 13 |
const |
| 14 |
RequiredVersionNo = 2; |
| 15 |
|
| 16 |
type |
| 17 |
|
| 18 |
{ TForm1 } |
| 19 |
|
| 20 |
TForm1 = class(TForm) |
| 21 |
CheckVersionTablePresent: TIBSQL; |
| 22 |
DBImage1: TDBImage; |
| 23 |
EmployeesPHOTO1: TBlobField; |
| 24 |
GetDBVersionNoQuery: TIBSQL; |
| 25 |
MenuItem6: TMenuItem; |
| 26 |
MenuItem7: TMenuItem; |
| 27 |
Panel3: TPanel; |
| 28 |
Quit: TAction; |
| 29 |
MainMenu1: TMainMenu; |
| 30 |
MenuItem1: TMenuItem; |
| 31 |
MenuItem2: TMenuItem; |
| 32 |
MenuItem3: TMenuItem; |
| 33 |
MenuItem4: TMenuItem; |
| 34 |
MenuItem5: TMenuItem; |
| 35 |
RestoreDatabase: TAction; |
| 36 |
SaveDatabase: TAction; |
| 37 |
NewDatabase: TAction; |
| 38 |
DBEdit6: TDBEdit; |
| 39 |
EmployeesDEPT_KEY_PATH: TIBStringField; |
| 40 |
EmployeesDEPT_PATH: TIBStringField; |
| 41 |
IBLocalDBSupport1: TIBLocalDBSupport; |
| 42 |
IBLookupComboEditBox1: TIBLookupComboEditBox; |
| 43 |
IBLookupComboEditBox2: TIBLookupComboEditBox; |
| 44 |
IBQuery1DEPT_NO: TIBStringField; |
| 45 |
IBQuery1EMP_NO: TSmallintField; |
| 46 |
IBQuery1FIRST_NAME: TIBStringField; |
| 47 |
IBQuery1FULL_NAME: TIBStringField; |
| 48 |
IBQuery1HIRE_DATE: TDateTimeField; |
| 49 |
IBQuery1JOB_CODE: TIBStringField; |
| 50 |
IBQuery1JOB_COUNTRY: TIBStringField; |
| 51 |
IBQuery1JOB_GRADE: TSmallintField; |
| 52 |
IBQuery1LAST_NAME: TIBStringField; |
| 53 |
IBQuery1PHONE_EXT: TIBStringField; |
| 54 |
IBQuery1SALARY: TIBBCDField; |
| 55 |
SelectDept: TAction; |
| 56 |
Button4: TButton; |
| 57 |
Button5: TButton; |
| 58 |
CancelChanges: TAction; |
| 59 |
SalaryRange: TComboBox; |
| 60 |
CountrySource: TDataSource; |
| 61 |
BeforeDate: TDateEdit; |
| 62 |
AfterDate: TDateEdit; |
| 63 |
DeptsSource: TDataSource; |
| 64 |
Depts: TIBQuery; |
| 65 |
JobCodeSource: TDataSource; |
| 66 |
DBEdit1: TDBEdit; |
| 67 |
DBEdit2: TDBEdit; |
| 68 |
DBEdit3: TDBEdit; |
| 69 |
DBEdit4: TDBEdit; |
| 70 |
DBEdit5: TDBEdit; |
| 71 |
DBText1: TDBText; |
| 72 |
Employees: TIBDataSet; |
| 73 |
EmployeesDEPT_NO: TIBStringField; |
| 74 |
EmployeesEMP_NO: TSmallintField; |
| 75 |
EmployeesFIRST_NAME: TIBStringField; |
| 76 |
EmployeesFULL_NAME: TIBStringField; |
| 77 |
EmployeesHIRE_DATE: TDateTimeField; |
| 78 |
EmployeesJOB_CODE: TIBStringField; |
| 79 |
EmployeesJOB_COUNTRY: TIBStringField; |
| 80 |
EmployeesJOB_GRADE: TSmallintField; |
| 81 |
EmployeesLAST_NAME: TIBStringField; |
| 82 |
EmployeesPHONE_EXT: TIBStringField; |
| 83 |
EmployeesSALARY: TIBBCDField; |
| 84 |
IBDateEdit1: TDBDateEdit; |
| 85 |
IBDynamicGrid1: TIBDynamicGrid; |
| 86 |
Countries: TIBQuery; |
| 87 |
JobCodes: TIBQuery; |
| 88 |
JobGradeDBComboBox: TDBComboBox; |
| 89 |
Label10: TLabel; |
| 90 |
Label11: TLabel; |
| 91 |
Label12: TLabel; |
| 92 |
Label13: TLabel; |
| 93 |
Label3: TLabel; |
| 94 |
Label4: TLabel; |
| 95 |
Label5: TLabel; |
| 96 |
Label6: TLabel; |
| 97 |
Label7: TLabel; |
| 98 |
Label8: TLabel; |
| 99 |
Label9: TLabel; |
| 100 |
Panel1: TPanel; |
| 101 |
Panel2: TPanel; |
| 102 |
EmployeeEditorPanel: TPanel; |
| 103 |
SpeedButton1: TSpeedButton; |
| 104 |
JobGradeChangeTimer: TTimer; |
| 105 |
JobCodeChangeTimer: TTimer; |
| 106 |
TotalsQueryTOTALSALARIES: TIBBCDField; |
| 107 |
TotalsSource: TDataSource; |
| 108 |
TotalsQuery: TIBQuery; |
| 109 |
Label1: TLabel; |
| 110 |
Label2: TLabel; |
| 111 |
SaveChanges: TAction; |
| 112 |
DeleteEmployee: TAction; |
| 113 |
EditEmployee: TAction; |
| 114 |
AddEmployee: TAction; |
| 115 |
ActionList1: TActionList; |
| 116 |
Button1: TButton; |
| 117 |
Button2: TButton; |
| 118 |
Button3: TButton; |
| 119 |
EmployeeSource: TDataSource; |
| 120 |
IBDatabase1: TIBDatabase; |
| 121 |
IBTransaction1: TIBTransaction; |
| 122 |
procedure DBImage1DBImageRead(Sender: TObject; S: TStream; |
| 123 |
var GraphExt: string); |
| 124 |
procedure EmployeesValidatePost(Sender: TObject; var CancelPost: boolean); |
| 125 |
procedure IBDatabase1AfterConnect(Sender: TObject); |
| 126 |
procedure IBLocalDBSupport1GetDBVersionNo(Sender: TObject; |
| 127 |
var VersionNo: integer); |
| 128 |
procedure JobCodeChangeTimerTimer(Sender: TObject); |
| 129 |
procedure JobGradeChangeTimerTimer(Sender: TObject); |
| 130 |
procedure JobGradeDBComboBoxCloseUp(Sender: TObject); |
| 131 |
procedure NewDatabaseExecute(Sender: TObject); |
| 132 |
procedure QuitExecute(Sender: TObject); |
| 133 |
procedure RestoreDatabaseExecute(Sender: TObject); |
| 134 |
procedure SaveDatabaseExecute(Sender: TObject); |
| 135 |
procedure SelectDeptExecute(Sender: TObject); |
| 136 |
procedure AddEmployeeExecute(Sender: TObject); |
| 137 |
procedure BeforeDateChange(Sender: TObject); |
| 138 |
procedure CancelChangesExecute(Sender: TObject); |
| 139 |
procedure CountriesBeforeOpen(DataSet: TDataSet); |
| 140 |
procedure DeleteEmployeeExecute(Sender: TObject); |
| 141 |
procedure EditEmployeeExecute(Sender: TObject); |
| 142 |
procedure EditEmployeeUpdate(Sender: TObject); |
| 143 |
procedure EmployeesAfterInsert(DataSet: TDataSet); |
| 144 |
procedure EmployeesAfterOpen(DataSet: TDataSet); |
| 145 |
procedure EmployeesAfterScroll(DataSet: TDataSet); |
| 146 |
procedure EmployeesBeforeClose(DataSet: TDataSet); |
| 147 |
procedure EmployeesBeforeOpen(DataSet: TDataSet); |
| 148 |
procedure EmployeesJOB_CODEChange(Sender: TField); |
| 149 |
procedure EmployeesJOB_GRADEChange(Sender: TField); |
| 150 |
procedure FormClose(Sender: TObject; var CloseAction: TCloseAction); |
| 151 |
procedure FormShow(Sender: TObject); |
| 152 |
procedure EmployeesAfterDelete(DataSet: TDataSet); |
| 153 |
procedure EmployeesAfterTransactionEnd(Sender: TObject); |
| 154 |
procedure EmployeesPostError(DataSet: TDataSet; E: EDatabaseError; |
| 155 |
var DataAction: TDataAction); |
| 156 |
procedure EmployeesSALARYGetText(Sender: TField; var aText: string; |
| 157 |
DisplayText: Boolean); |
| 158 |
procedure JobCodesBeforeOpen(DataSet: TDataSet); |
| 159 |
procedure SaveChangesExecute(Sender: TObject); |
| 160 |
procedure SaveChangesUpdate(Sender: TObject); |
| 161 |
private |
| 162 |
FCurrentDBVersion: integer; |
| 163 |
{ private declarations } |
| 164 |
FDirty: boolean; |
| 165 |
FNoAutoReopen: boolean; |
| 166 |
procedure Reopen(Data: PtrInt); |
| 167 |
function GetDBVersionNo: integer; |
| 168 |
public |
| 169 |
{ public declarations } |
| 170 |
property CurrentDBVersion: integer read FCurrentDBVersion; |
| 171 |
end; |
| 172 |
|
| 173 |
var |
| 174 |
Form1: TForm1; |
| 175 |
|
| 176 |
implementation |
| 177 |
|
| 178 |
{$R *.lfm} |
| 179 |
|
| 180 |
uses IB, Unit2; |
| 181 |
|
| 182 |
const |
| 183 |
sNoName = '<no name>'; |
| 184 |
|
| 185 |
function ExtractDBException(msg: string): string; |
| 186 |
var Lines: TStringList; |
| 187 |
begin |
| 188 |
Lines := TStringList.Create; |
| 189 |
try |
| 190 |
Lines.Text := msg; |
| 191 |
if pos('exception',Lines[0]) = 1 then |
| 192 |
Result := Lines[2] |
| 193 |
else |
| 194 |
Result := msg |
| 195 |
finally |
| 196 |
Lines.Free |
| 197 |
end; |
| 198 |
end; |
| 199 |
|
| 200 |
{ TForm1 } |
| 201 |
|
| 202 |
procedure TForm1.EmployeesSALARYGetText(Sender: TField; var aText: string; |
| 203 |
DisplayText: Boolean); |
| 204 |
begin |
| 205 |
if DisplayText then |
| 206 |
begin |
| 207 |
if Sender.IsNUll then |
| 208 |
aText := '' |
| 209 |
else |
| 210 |
aText := FormatFloat('$#,##0.00',Sender.AsFloat) |
| 211 |
end |
| 212 |
else |
| 213 |
aText := Sender.AsString |
| 214 |
end; |
| 215 |
|
| 216 |
procedure TForm1.JobCodesBeforeOpen(DataSet: TDataSet); |
| 217 |
begin |
| 218 |
JobCodes.ParamByName('JOB_GRADE').AsInteger := EmployeesJOB_GRADE.AsInteger; |
| 219 |
JobCodes.ParamByName('JOB_COUNTRY').AsString := EmployeesJOB_COUNTRY.AsString |
| 220 |
end; |
| 221 |
|
| 222 |
procedure TForm1.SaveChangesExecute(Sender: TObject); |
| 223 |
begin |
| 224 |
Employees.Transaction.Commit |
| 225 |
end; |
| 226 |
|
| 227 |
procedure TForm1.SaveChangesUpdate(Sender: TObject); |
| 228 |
begin |
| 229 |
(Sender as TAction).Enabled := FDirty |
| 230 |
end; |
| 231 |
|
| 232 |
procedure TForm1.Reopen(Data: PtrInt); |
| 233 |
begin |
| 234 |
with IBTransaction1 do |
| 235 |
if not InTransaction then StartTransaction; |
| 236 |
Countries.Active := true; |
| 237 |
Employees.Active := true; |
| 238 |
JobCodes.Active := true; |
| 239 |
Depts.Active := true; |
| 240 |
end; |
| 241 |
|
| 242 |
function TForm1.GetDBVersionNo: integer; |
| 243 |
begin |
| 244 |
FCurrentDBVersion := 0; |
| 245 |
Result := 0; |
| 246 |
FNoAutoReopen := true; |
| 247 |
try |
| 248 |
with IBTransaction1 do |
| 249 |
if not InTransaction then StartTransaction; |
| 250 |
try |
| 251 |
with CheckVersionTablePresent do |
| 252 |
begin |
| 253 |
ExecQuery; |
| 254 |
try |
| 255 |
if EOF then Exit; |
| 256 |
finally |
| 257 |
Close; |
| 258 |
end; |
| 259 |
end; |
| 260 |
|
| 261 |
with GetDBVersionNoQuery do |
| 262 |
begin |
| 263 |
ExecQuery; |
| 264 |
try |
| 265 |
Result := FieldByName('VersionNo').AsInteger; |
| 266 |
FCurrentDBVersion := Result; |
| 267 |
finally |
| 268 |
Close; |
| 269 |
end; |
| 270 |
end; |
| 271 |
finally |
| 272 |
IBTransaction1.Commit; |
| 273 |
end; |
| 274 |
finally |
| 275 |
FNoAutoReopen := false |
| 276 |
end; |
| 277 |
end; |
| 278 |
|
| 279 |
|
| 280 |
procedure TForm1.AddEmployeeExecute(Sender: TObject); |
| 281 |
begin |
| 282 |
Employees.Append |
| 283 |
end; |
| 284 |
|
| 285 |
procedure TForm1.SelectDeptExecute(Sender: TObject); |
| 286 |
var Dept_No: string; |
| 287 |
begin |
| 288 |
if SelectDeptDlg.ShowModal(EmployeesDEPT_KEY_PATH.AsString,Dept_No) = mrOK then |
| 289 |
begin |
| 290 |
Employees.Edit; |
| 291 |
EmployeesDEPT_NO.AsString := Dept_No; |
| 292 |
try |
| 293 |
Employees.Post; |
| 294 |
except |
| 295 |
Employees.Cancel; |
| 296 |
raise; |
| 297 |
end; |
| 298 |
IBDynamicGrid1.ShowEditorPanel; |
| 299 |
end; |
| 300 |
end; |
| 301 |
|
| 302 |
procedure TForm1.DBImage1DBImageRead(Sender: TObject; S: TStream; |
| 303 |
var GraphExt: string); |
| 304 |
begin |
| 305 |
GraphExt := 'png'; |
| 306 |
end; |
| 307 |
|
| 308 |
procedure TForm1.EmployeesValidatePost(Sender: TObject; var CancelPost: boolean |
| 309 |
); |
| 310 |
begin |
| 311 |
{Cancel if no name entered} |
| 312 |
CancelPost := (EmployeesLAST_NAME.AsString = sNoName) and (EmployeesFIRST_NAME.AsString = sNoName); |
| 313 |
end; |
| 314 |
|
| 315 |
procedure TForm1.IBDatabase1AfterConnect(Sender: TObject); |
| 316 |
begin |
| 317 |
with IBLocalDBSupport1 do |
| 318 |
if CurrentDBVersionNo = RequiredVersionNo then |
| 319 |
ReOpen(0); |
| 320 |
end; |
| 321 |
|
| 322 |
procedure TForm1.IBLocalDBSupport1GetDBVersionNo(Sender: TObject; |
| 323 |
var VersionNo: integer); |
| 324 |
begin |
| 325 |
VersionNo := GetDBVersionNo; |
| 326 |
end; |
| 327 |
|
| 328 |
procedure TForm1.JobCodeChangeTimerTimer(Sender: TObject); |
| 329 |
begin |
| 330 |
Countries.Active := false; |
| 331 |
Countries.Active := true; |
| 332 |
JobCodeChangeTimer.Interval := 0; |
| 333 |
end; |
| 334 |
|
| 335 |
procedure TForm1.JobGradeChangeTimerTimer(Sender: TObject); |
| 336 |
begin |
| 337 |
Countries.Active := false; |
| 338 |
JobCodes.Active := false; |
| 339 |
Countries.Active := true; |
| 340 |
JobCodes.Active := true; |
| 341 |
JobGradeChangeTimer.Interval := 0; |
| 342 |
end; |
| 343 |
|
| 344 |
procedure TForm1.JobGradeDBComboBoxCloseUp(Sender: TObject); |
| 345 |
begin |
| 346 |
JobGradeDBComboBox.EditingDone; //See http://bugs.freepascal.org/view.php?id=27186 |
| 347 |
end; |
| 348 |
|
| 349 |
procedure TForm1.NewDatabaseExecute(Sender: TObject); |
| 350 |
begin |
| 351 |
FNoAutoReopen := true; |
| 352 |
try |
| 353 |
{Ensure Transaction End} |
| 354 |
if IBTransaction1.InTransaction then |
| 355 |
IBTransaction1.Rollback; |
| 356 |
finally |
| 357 |
FNoAutoReopen := false; |
| 358 |
end; |
| 359 |
IBLocalDBSupport1.NewDatabase; |
| 360 |
end; |
| 361 |
|
| 362 |
procedure TForm1.QuitExecute(Sender: TObject); |
| 363 |
begin |
| 364 |
Close; |
| 365 |
end; |
| 366 |
|
| 367 |
procedure TForm1.RestoreDatabaseExecute(Sender: TObject); |
| 368 |
begin |
| 369 |
FNoAutoReopen := true; |
| 370 |
try |
| 371 |
{Ensure all changes saved} |
| 372 |
if IBTransaction1.InTransaction then |
| 373 |
IBTransaction1.Commit; |
| 374 |
finally |
| 375 |
FNoAutoReopen := false; |
| 376 |
end; |
| 377 |
IBLocalDBSupport1.RestoreDatabase; |
| 378 |
end; |
| 379 |
|
| 380 |
procedure TForm1.SaveDatabaseExecute(Sender: TObject); |
| 381 |
begin |
| 382 |
FNoAutoReopen := true; |
| 383 |
try |
| 384 |
{Ensure all changes saved} |
| 385 |
if IBTransaction1.InTransaction then |
| 386 |
IBTransaction1.Commit; |
| 387 |
finally |
| 388 |
FNoAutoReopen := false; |
| 389 |
end; |
| 390 |
IBLocalDBSupport1.SaveDatabase; |
| 391 |
{Start new Transaction and open dataset} |
| 392 |
ReOpen(0); |
| 393 |
end; |
| 394 |
|
| 395 |
procedure TForm1.BeforeDateChange(Sender: TObject); |
| 396 |
begin |
| 397 |
Employees.Active := false; |
| 398 |
Employees.Active := true |
| 399 |
end; |
| 400 |
|
| 401 |
procedure TForm1.CancelChangesExecute(Sender: TObject); |
| 402 |
begin |
| 403 |
Employees.Transaction.Rollback |
| 404 |
end; |
| 405 |
|
| 406 |
procedure TForm1.CountriesBeforeOpen(DataSet: TDataSet); |
| 407 |
begin |
| 408 |
Countries.ParamByName('JOB_GRADE').AsInteger := EmployeesJOB_GRADE.AsInteger; |
| 409 |
Countries.ParamByName('JOB_CODE').AsString := EmployeesJOB_CODE.AsString |
| 410 |
end; |
| 411 |
|
| 412 |
procedure TForm1.DeleteEmployeeExecute(Sender: TObject); |
| 413 |
begin |
| 414 |
if MessageDlg( |
| 415 |
Format('Remove %s from Employee List?',[Employees.FieldByName('Full_Name').AsString]), |
| 416 |
mtConfirmation,[mbYes,mbNo],0) = mrYes then |
| 417 |
Employees.Delete |
| 418 |
end; |
| 419 |
|
| 420 |
procedure TForm1.EditEmployeeExecute(Sender: TObject); |
| 421 |
begin |
| 422 |
IBDynamicGrid1.ShowEditorPanel; |
| 423 |
end; |
| 424 |
|
| 425 |
procedure TForm1.EditEmployeeUpdate(Sender: TObject); |
| 426 |
begin |
| 427 |
(Sender as TAction).Enabled := Employees.Active and (Employees.RecordCount > 0) |
| 428 |
end; |
| 429 |
|
| 430 |
procedure TForm1.EmployeesAfterInsert(DataSet: TDataSet); |
| 431 |
begin |
| 432 |
EmployeesJOB_COUNTRY.AsString := 'USA'; |
| 433 |
EmployeesJOB_CODE.AsString := 'SRep'; |
| 434 |
EmployeesJOB_GRADE.AsInteger := 4; |
| 435 |
EmployeesSALARY.AsCurrency := 20000; |
| 436 |
EmployeesFIRST_NAME.AsString := sNoName; |
| 437 |
EmployeesLAST_NAME.AsString := sNoName; |
| 438 |
EmployeesHIRE_DATE.AsDateTime := now; |
| 439 |
EmployeesDEPT_NO.AsString := '000'; |
| 440 |
FDirty := true; |
| 441 |
end; |
| 442 |
|
| 443 |
procedure TForm1.EmployeesAfterOpen(DataSet: TDataSet); |
| 444 |
begin |
| 445 |
TotalsQuery.Active := true; |
| 446 |
IBDynamicGrid1.SetFocus; |
| 447 |
end; |
| 448 |
|
| 449 |
procedure TForm1.EmployeesAfterScroll(DataSet: TDataSet); |
| 450 |
begin |
| 451 |
JobGradeChangeTimer.Interval := 200; |
| 452 |
end; |
| 453 |
|
| 454 |
procedure TForm1.EmployeesBeforeClose(DataSet: TDataSet); |
| 455 |
begin |
| 456 |
TotalsQuery.Active := false |
| 457 |
end; |
| 458 |
|
| 459 |
procedure TForm1.EmployeesBeforeOpen(DataSet: TDataSet); |
| 460 |
begin |
| 461 |
if BeforeDate.Date > 0 then |
| 462 |
(DataSet as TIBParserDataSet).Parser.Add2WhereClause('HIRE_DATE < :BeforeDate'); |
| 463 |
if AfterDate.Date > 0 then |
| 464 |
(DataSet as TIBParserDataSet).Parser.Add2WhereClause('HIRE_DATE > :AfterDate'); |
| 465 |
|
| 466 |
case SalaryRange.ItemIndex of |
| 467 |
1: |
| 468 |
(DataSet as TIBParserDataSet).Parser.Add2WhereClause('Salary < 40000'); |
| 469 |
2: |
| 470 |
(DataSet as TIBParserDataSet).Parser.Add2WhereClause('Salary >= 40000 and Salary < 100000'); |
| 471 |
3: |
| 472 |
(DataSet as TIBParserDataSet).Parser.Add2WhereClause('Salary >= 100000'); |
| 473 |
end; |
| 474 |
|
| 475 |
|
| 476 |
|
| 477 |
{Parameter value must be set after all SQL changes have been made} |
| 478 |
if BeforeDate.Date > 0 then |
| 479 |
(DataSet as TIBParserDataSet).ParamByName('BeforeDate').AsDateTime := BeforeDate.Date; |
| 480 |
if AfterDate.Date > 0 then |
| 481 |
(DataSet as TIBParserDataSet).ParamByName('AfterDate').AsDateTime := AfterDate.Date; |
| 482 |
|
| 483 |
end; |
| 484 |
|
| 485 |
procedure TForm1.EmployeesJOB_CODEChange(Sender: TField); |
| 486 |
begin |
| 487 |
JobCodeChangeTimer.Interval := 200; |
| 488 |
end; |
| 489 |
|
| 490 |
procedure TForm1.EmployeesJOB_GRADEChange(Sender: TField); |
| 491 |
begin |
| 492 |
JobGradeChangeTimer.Interval := 200; |
| 493 |
end; |
| 494 |
|
| 495 |
procedure TForm1.FormClose(Sender: TObject; var CloseAction: TCloseAction); |
| 496 |
begin |
| 497 |
FNoAutoReopen := true; |
| 498 |
if IBTransaction1.InTransaction then |
| 499 |
IBTransaction1.Commit; |
| 500 |
end; |
| 501 |
|
| 502 |
procedure TForm1.FormShow(Sender: TObject); |
| 503 |
begin |
| 504 |
try |
| 505 |
IBDatabase1.Connected := true; |
| 506 |
except On E:Exception do |
| 507 |
begin |
| 508 |
MessageDlg(E.Message,mtError,[mbOK],0); |
| 509 |
Close; |
| 510 |
Exit |
| 511 |
end; |
| 512 |
end; |
| 513 |
|
| 514 |
{If upgrade failed or downgrade not pending then exit} |
| 515 |
with IBLocalDBSupport1 do |
| 516 |
if (CurrentDBVersionNo < RequiredVersionNo) or |
| 517 |
((CurrentDBVersionNo > RequiredVersionNo) and not DowngradePending) then |
| 518 |
Close; |
| 519 |
end; |
| 520 |
|
| 521 |
procedure TForm1.EmployeesAfterDelete(DataSet: TDataSet); |
| 522 |
begin |
| 523 |
FDirty := true |
| 524 |
end; |
| 525 |
|
| 526 |
procedure TForm1.EmployeesAfterTransactionEnd(Sender: TObject); |
| 527 |
begin |
| 528 |
FDirty := false; |
| 529 |
if not FNoAutoReopen then |
| 530 |
Application.QueueAsyncCall(@Reopen,0) |
| 531 |
end; |
| 532 |
|
| 533 |
procedure TForm1.EmployeesPostError(DataSet: TDataSet; E: EDatabaseError; |
| 534 |
var DataAction: TDataAction); |
| 535 |
begin |
| 536 |
if E is EIBError then |
| 537 |
begin |
| 538 |
MessageDlg(ExtractDBException(EIBError(E).message),mtError,[mbOK],0); |
| 539 |
DataSet.Cancel; |
| 540 |
DataAction := daAbort |
| 541 |
end; |
| 542 |
end; |
| 543 |
|
| 544 |
end. |
| 545 |
|
