jvqdbprogressbar.pas

East make Tray Icon in delphi

{******************************************************************************}
{* WARNING:  JEDI VCL To CLX Converter generated unit.                        *}
{*           Manual modifications will be lost on next release.               *}
{******************************************************************************}

{-----------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1.1.html

Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
the specific language governing rights and limitations under the License.

The Original Code is: JvDBProgressBar.PAS, released on 2001-02-28.

The Initial Developer of the Original Code is S閎astien Buysse [sbuysse att buypin dott com]
Portions created by S閎astien Buysse are Copyright (C) 2001 S閎astien Buysse.
All Rights Reserved.

Contributor(s):
Michael Beck [mbeck att bigfoot dott com].
Peter Thornqvist[peter3 at sourceforge dot net]
  Moved here from JvProgressBar to support D& Personal

You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
located at http://jvcl.sourceforge.net

Known Issues:
-----------------------------------------------------------------------------}
// $Id: JvQDBProgressBar.pas,v 1.1 2004/12/04 00:26:03 asnepvangers Exp $

unit JvQDBProgressBar;

{$I jvcl.inc}

interface

uses
  Classes, DB, QDBCtrls,
  JvQProgressBar;

type
  TJvDBProgressBar = class(TJvProgressBar)
  private
    FDataLink: TFieldDataLink;
    function GetDataField: string;
    procedure SetDataField(Value: string);
    function GetDataSource: TDataSource;
    procedure SetDataSource(Value: TDataSource);
    function GetField: TField;
  public
    procedure DataChange(Sender: TObject);
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    property Field: TField read GetField;
  published
    property DataField: string read GetDataField write SetDataField;
    property DataSource: TDataSource read GetDataSource write SetDataSource;
  end;

implementation

uses
  {$IFDEF UNITVERSIONING}
  JclUnitVersioning,
  {$ENDIF UNITVERSIONING}
  SysUtils;

constructor TJvDBProgressBar.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  FDataLink := TFieldDataLink.Create;
  FDataLink.Control := Self;
  FDataLink.OnDataChange := DataChange;
end;

destructor TJvDBProgressBar.Destroy;
begin
  FreeAndNil(FDataLink);
  inherited Destroy;
end;

function TJvDBProgressBar.GetDataField: string;
begin
  Result := FDataLink.FieldName;
end;

procedure TJvDBProgressBar.SetDataField(Value: string);
begin
  FDataLink.FieldName := Value;
end;

function TJvDBProgressBar.GetDataSource: TDataSource;
begin
  Result := FDataLink.DataSource;
end;

procedure TJvDBProgressBar.SetDataSource(Value: TDataSource);
begin
  FDataLink.DataSource := Value;
end;

function TJvDBProgressBar.GetField: TField;
begin
  Result := FDataLink.Field;
end;

procedure TJvDBProgressBar.DataChange(Sender: TObject);
begin
  if (FDataLink.Field <> nil) and (FDataLink.Field is TNumericField) then
    Position := FDataLink.Field.AsInteger
  else
    Position := Min;
end;

{$IFDEF UNITVERSIONING}
const
  UnitVersioning: TUnitVersionInfo = (
    RCSfile: '$RCSfile: JvQDBProgressBar.pas,v $';
    Revision: '$Revision: 1.1 $';
    Date: '$Date: 2004/12/04 00:26:03 $';
    LogPath: 'JVCL\run'
  );

initialization
  RegisterUnitVersion(HInstance, UnitVersioning);

finalization
  UnregisterUnitVersion(HInstance);
{$ENDIF UNITVERSIONING}

end.