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{
This file is part of the Free Component Library.
Copyright (c) 2017 Michael Van Canneyt, member of the Free Pascal development team
Form to edit a SQLDB data connection, used in data management.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
unit dlgsqldbrestconnection;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls, ButtonPanel, Buttons, sqldb, sqldbrestbridge;
type
{ TSQLDBRestConnectionEditorForm }
TSQLDBRestConnectionEditorForm = class(TForm)
BPConnection: TButtonPanel;
CBType: TComboBox;
ECharset: TEdit;
EName: TEdit;
ERole: TEdit;
EUserName: TEdit;
EPassword: TEdit;
EHostName: TEdit;
EDatabaseName: TEdit;
Label2: TLabel;
LEHostName1: TLabel;
LEUserName: TLabel;
LCBType: TLabel;
LEHostName: TLabel;
LEDatabaseName: TLabel;
LEPassword: TLabel;
LERole: TLabel;
LMParams: TLabel;
MParams: TMemo;
SBTest: TSpeedButton;
procedure FormCloseQuery(Sender: TObject; var CanClose: boolean);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure SBTestClick(Sender: TObject);
private
FConnection: TSQLDBRestConnection;
Function TestConnection : String;
procedure FormToConnection;
procedure ConnectionToForm;
procedure SetConnection(AValue: TSQLDBRestConnection);
public
Property Connection : TSQLDBRestConnection Read FConnection Write SetConnection;
end;
Function EditSQLDBRestConnection(aConnection : TSQLDBRestConnection) : Boolean;
Resourcestring
SConnectionSuccesful = 'Connection to the database was succesfully made.';
SErrConnectionNotOK = 'Error connecting to the database';
SSuccess = 'Succesfully connected.';
implementation
{$R *.lfm}
Function EditSQLDBRestConnection(aConnection : TSQLDBRestConnection) : Boolean;
begin
With TSQLDBRestConnectionEditorForm.Create(Application) do
try
Connection:=aConnection;
result:= (ShowModal=mrOK);
if Result then
aConnection.Assign(Connection);
finally
end;
end;
procedure TSQLDBRestConnectionEditorForm.FormCreate(Sender: TObject);
begin
FConnection:=TSQLDBRestConnection.Create(Nil);
GetConnectionList(CBType.Items);
end;
procedure TSQLDBRestConnectionEditorForm.FormCloseQuery(Sender: TObject; var CanClose: boolean);
Var
S : String;
begin
if ModalResult=mrOK then
begin
FormToConnection;
S:=TestConnection;
if (S<>'') then
if MessageDlg(SErrConnectionNotOK,S,mtError,[mbIgnore,mbCancel],0)=mrIgnore then
S:='';
end;
CanClose:=(S='');
end;
procedure TSQLDBRestConnectionEditorForm.FormDestroy(Sender: TObject);
begin
FreeAndNil(FConnection);
end;
procedure TSQLDBRestConnectionEditorForm.SBTestClick(Sender: TObject);
Var
S : String;
begin
FormToConnection;
S:=TestConnection;
if (S<>'') then
MessageDlg(SErrConnectionNotOK,S,mtError,[mbOK],0)
else
MessageDlg(SSuccess,SConnectionSuccesful,mtInformation,[mbOK],0);
end;
function TSQLDBRestConnectionEditorForm.TestConnection: String;
Var
Conn : TSQLConnector;
TR : TSQLTransaction;
begin
Conn:=TSQLConnector.Create(Self);
try
TR:=TSQLTransaction.Create(Conn);
Conn.Transaction:=TR;
FConnection.ConfigConnection(Conn);
try
Conn.Connected:=true;
except
On E: Exception do
Result:=E.Message;
end;
finally
Conn.Free;
end;
end;
procedure TSQLDBRestConnectionEditorForm.SetConnection(AValue: TSQLDBRestConnection);
begin
if FConnection=AValue then Exit;
FConnection.Assign(AValue);
ConnectionToForm;
end;
procedure TSQLDBRestConnectionEditorForm.FormToConnection;
begin
With FConnection do
begin
Name:=EName.Text;
ConnectionType:=CBType.Text;
HostName:=EHostName.Text;
DatabaseName:=EDatabaseName.Text;
Params:=MParams.Lines;
UserName:=EUserName.Text;
Password:=EPassword.Text;
Role:=ERole.Text;
Charset:=ECharset.Text;
end;
end;
procedure TSQLDBRestConnectionEditorForm.ConnectionToForm;
begin
With FConnection do
begin
EName.Text:=Name;
CBType.Text:=ConnectionType;
EHostName.Text:=HostName;
EDatabaseName.Text:=DatabaseName;
MParams.Lines:=Params;
EUserName.Text:=UserName;
EPassword.Text:=Password;
ERole.Text:=Role;
ECharset.Text:=Charset;
end;
end;
end.
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