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unit frm_main;
{$mode objfpc}{$H+}
interface
uses
SysUtils, Classes, fpg_base, fpg_main, fpg_form, fpg_button, fpg_panel;
type
TMainForm = class(TfpgForm)
private
{@VFD_HEAD_BEGIN: MainForm}
btnPickDB: TfpgButton;
btnCreateDB: TfpgButton;
btnDBExists: TfpgButton;
pnlDBName: TfpgPanel;
{@VFD_HEAD_END: MainForm}
FPersistenceLayerName: string;
FDatabaseName: string;
FUsername: string;
FPassword: string;
procedure PickDBClicked(Sender: TObject);
procedure DatabaseExistsClicked(Sender: TObject);
procedure CreateDatabaseClicked(Sender: TObject);
public
procedure AfterCreate; override;
end;
{@VFD_NEWFORM_DECL}
implementation
uses
frm_pickdatabase
,fpg_dialogs
,tiOPFManager
,tiPersistenceLayers
,tiDialogs
;
{@VFD_NEWFORM_IMPL}
procedure TMainForm.PickDBClicked(Sender: TObject);
var
frm: TPickDatabaseForm;
begin
frm := TPickDatabaseForm.Create(nil);
try
if frm.ShowModal = mrOK then
begin
FPersistenceLayerName := frm.PersistenceLayerName;
FDatabaseName := frm.DatabaseName;
FUsername := frm.UserName;
FPassword := frm.Password;
pnlDBName.Text := frm.DatabaseName;
end;
finally
frm.Free;
end;
end;
procedure TMainForm.DatabaseExistsClicked(Sender: TObject);
var
LPerLayer: TtiPersistenceLayer;
begin
LPerLayer:= GTIOPFManager.PersistenceLayers.FindByPersistenceLayerName(FPersistenceLayerName);
Assert(LPerLayer<>nil, '"' + FPersistenceLayerName + '" not registered');
if LPerLayer.DatabaseExists(FDatabaseName, FUserName, FPassword)
then
tiAppMessage('Database <' + FDatabaseName + '> exists.')
else
tiAppWarning('Database <' + FDatabaseName + '> does not exist.');
end;
procedure TMainForm.CreateDatabaseClicked(Sender: TObject);
var
LPerLayer: TtiPersistenceLayer;
begin
LPerLayer:= GTIOPFManager.PersistenceLayers.FindByPersistenceLayerName(FPersistenceLayerName);
Assert(LPerLayer<>nil, '"' + FPersistenceLayerName + '" not registered');
LPerLayer.CreateDatabase(FDatabaseName, FUserName, FPassword);
tiAppMessage('Database "' + FDatabaseName + '" has been created.');
end;
procedure TMainForm.AfterCreate;
begin
{@VFD_BODY_BEGIN: MainForm}
Name := 'MainForm';
SetPosition(312, 189, 359, 182);
WindowTitle := 'Demo 04 - Create Database';
WindowPosition := wpScreenCenter;
btnPickDB := TfpgButton.Create(self);
with btnPickDB do
begin
Name := 'btnPickDB';
SetPosition(108, 20, 144, 24);
Text := 'Pick Database';
AllowAllUp := False;
Embedded := False;
Flat := False;
FontDesc := '#Label1';
GroupIndex := 0;
Hint := '';
ImageLayout := ilImageLeft;
ImageMargin := 3;
ImageName := '';
ImageSpacing := -1;
ModalResult := 0;
ParentShowHint := True;
ShowImage := True;
TabOrder := 0;
OnClick := @PickDBClicked;
end;
btnCreateDB := TfpgButton.Create(self);
with btnCreateDB do
begin
Name := 'btnCreateDB';
SetPosition(108, 96, 136, 24);
Text := 'Create Database';
AllowAllUp := False;
Embedded := False;
Flat := False;
FontDesc := '#Label1';
GroupIndex := 0;
Hint := '';
ImageLayout := ilImageLeft;
ImageMargin := 3;
ImageName := '';
ImageSpacing := -1;
ModalResult := 0;
ParentShowHint := True;
ShowImage := True;
TabOrder := 1;
OnClick := @CreateDatabaseClicked;
end;
btnDBExists := TfpgButton.Create(self);
with btnDBExists do
begin
Name := 'btnDBExists';
SetPosition(108, 128, 136, 24);
Text := 'Database Exists';
AllowAllUp := False;
Embedded := False;
Flat := False;
FontDesc := '#Label1';
GroupIndex := 0;
Hint := '';
ImageLayout := ilImageLeft;
ImageMargin := 3;
ImageName := '';
ImageSpacing := -1;
ModalResult := 0;
ParentShowHint := True;
ShowImage := True;
TabOrder := 2;
OnClick := @DatabaseExistsClicked;
end;
pnlDBName := TfpgPanel.Create(self);
with pnlDBName do
begin
Name := 'pnlDBName';
SetPosition(12, 56, 336, 32);
Anchors := [anLeft,anRight,anTop];
ParentShowHint := True;
Style := bsLowered;
Text := '---';
end;
{@VFD_BODY_END: MainForm}
end;
end.
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