133 lines
3.6 KiB
ObjectPascal
133 lines
3.6 KiB
ObjectPascal
{-----------------------------------------------------------------------------
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The contents of this file are subject to the Mozilla Public License
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Version 1.1 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1.1.html
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
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the specific language governing rights and limitations under the License.
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The Original Code is: JvDBProgressBar.PAS, released on 2001-02-28.
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The Initial Developer of the Original Code is Sébastien Buysse [sbuysse att buypin dott com]
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Portions created by Sébastien Buysse are Copyright (C) 2001 Sébastien Buysse.
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All Rights Reserved.
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Contributor(s):
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Michael Beck [mbeck att bigfoot dott com].
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Peter Thornqvist[peter3 at sourceforge dot net]
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Moved here from JvProgressBar to support D& Personal
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You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
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located at http://jvcl.sourceforge.net
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Known Issues:
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-----------------------------------------------------------------------------}
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// $Id: JvDBProgressBar.pas 10612 2006-05-19 19:04:09Z jfudickar $
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unit JvDBProgressBar;
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{$I jvcl.inc}
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interface
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uses
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{$IFDEF UNITVERSIONING}
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JclUnitVersioning,
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{$ENDIF UNITVERSIONING}
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Classes, DB, DBCtrls,
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JvProgressBar;
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type
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TJvDBProgressBar = class(TJvProgressBar)
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private
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FDataLink: TFieldDataLink;
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function GetDataField: string;
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procedure SetDataField(Value: string);
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function GetDataSource: TDataSource;
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procedure SetDataSource(Value: TDataSource);
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function GetField: TField;
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public
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procedure DataChange(Sender: TObject);
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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property Field: TField read GetField;
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published
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property DataField: string read GetDataField write SetDataField;
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property DataSource: TDataSource read GetDataSource write SetDataSource;
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end;
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{$IFDEF UNITVERSIONING}
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const
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UnitVersioning: TUnitVersionInfo = (
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RCSfile: '$URL: https://jvcl.svn.sourceforge.net/svnroot/jvcl/tags/JVCL3_32/run/JvDBProgressBar.pas $';
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Revision: '$Revision: 10612 $';
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Date: '$Date: 2006-05-19 21:04:09 +0200 (ven., 19 mai 2006) $';
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LogPath: 'JVCL\run'
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);
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{$ENDIF UNITVERSIONING}
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implementation
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uses
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SysUtils;
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constructor TJvDBProgressBar.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FDataLink := TFieldDataLink.Create;
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FDataLink.Control := Self;
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FDataLink.OnDataChange := DataChange;
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end;
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destructor TJvDBProgressBar.Destroy;
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begin
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FreeAndNil(FDataLink);
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inherited Destroy;
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end;
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function TJvDBProgressBar.GetDataField: string;
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begin
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Result := FDataLink.FieldName;
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end;
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procedure TJvDBProgressBar.SetDataField(Value: string);
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begin
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FDataLink.FieldName := Value;
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end;
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function TJvDBProgressBar.GetDataSource: TDataSource;
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begin
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Result := FDataLink.DataSource;
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end;
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procedure TJvDBProgressBar.SetDataSource(Value: TDataSource);
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begin
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FDataLink.DataSource := Value;
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end;
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function TJvDBProgressBar.GetField: TField;
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begin
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Result := FDataLink.Field;
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end;
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procedure TJvDBProgressBar.DataChange(Sender: TObject);
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begin
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if (FDataLink.Field <> nil) and (FDataLink.Field is TNumericField) then
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Position := FDataLink.Field.AsInteger
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else
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Position := Min;
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end;
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{$IFDEF UNITVERSIONING}
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initialization
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RegisterUnitVersion(HInstance, UnitVersioning);
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finalization
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UnregisterUnitVersion(HInstance);
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{$ENDIF UNITVERSIONING}
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end.
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