david
47aaf11578
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@38 05c56307-c608-d34a-929d-697000501d7a
148 lines
4.9 KiB
ObjectPascal
148 lines
4.9 KiB
ObjectPascal
{*******************************************************************}
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{ }
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{ Developer Express Visual Component Library }
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{ ExpressMemData - CLX/VCL Edition }
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{ }
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{ Copyright (c) 1998-2009 Developer Express Inc. }
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{ ALL RIGHTS RESERVED }
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{ }
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{ The entire contents of this file is protected by U.S. and }
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{ International Copyright Laws. Unauthorized reproduction, }
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{ reverse-engineering, and distribution of all or any portion of }
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{ the code contained in this file is strictly prohibited and may }
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{ result in severe civil and criminal penalties and will be }
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{ prosecuted to the maximum extent possible under the law. }
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{ }
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{ RESTRICTIONS }
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{ }
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{ THIS SOURCE CODE AND ALL RESULTING INTERMEDIATE FILES }
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{ (DCU, OBJ, DLL, DPU, SO, ETC.) ARE CONFIDENTIAL AND PROPRIETARY }
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{ TRADE SECRETS OF DEVELOPER EXPRESS INC. THE REGISTERED DEVELOPER}
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{ IS LICENSED TO DISTRIBUTE THE EXPRESSMEMDATA }
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{ AS PART OF AN EXECUTABLE PROGRAM ONLY. }
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{ }
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{ THE SOURCE CODE CONTAINED WITHIN THIS FILE AND ALL RELATED }
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{ FILES OR ANY PORTION OF ITS CONTENTS SHALL AT NO TIME BE }
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{ COPIED, TRANSFERRED, SOLD, DISTRIBUTED, OR OTHERWISE MADE }
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{ AVAILABLE TO OTHER INDIVIDUALS WITHOUT EXPRESS WRITTEN CONSENT }
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{ AND PERMISSION FROM DEVELOPER EXPRESS INC. }
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{ }
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{ CONSULT THE END USER LICENSE AGREEMENT FOR INFORMATION ON }
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{ ADDITIONAL RESTRICTIONS. }
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{ }
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{*******************************************************************}
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unit dxmdatps;
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interface
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{$I cxVer.inc}
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uses
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{$IFDEF DELPHI6}
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DesignIntf,
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{$ELSE}
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DsgnIntf,
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{$ENDIF}
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Windows, Classes, Controls, Forms, StdCtrls, dxmdaset, ExtCtrls, Dialogs,
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Menus, Graphics, DB, DBGrids, Grids;
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type
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TfrmdxMemDataPersistent = class(TForm)
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pnlBottom: TPanel;
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btnClear: TButton;
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btnLoad: TButton;
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btnSave: TButton;
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btnOK: TButton;
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btnCancel: TButton;
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DBGrid: TDBGrid;
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DataSource: TDataSource;
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InternalMemData: TdxMemData;
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OpenDialog: TOpenDialog;
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SaveDialog: TSaveDialog;
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procedure btnClearClick(Sender: TObject);
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procedure btnLoadClick(Sender: TObject);
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procedure btnSaveClick(Sender: TObject);
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public
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procedure SetMemData(AMemData: TdxCustomMemData);
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end;
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procedure ShowMemDataPersistentEditor(AMemData: TdxCustomMemData; ADesigner: IDesigner);
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implementation
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uses TypInfo;
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{$R *.dfm}
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procedure ShowMemDataPersistentEditor(AMemData: TdxCustomMemData; ADesigner: IDesigner);
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procedure SetDesignerModified;
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begin
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if ADesigner <> nil then
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ADesigner.Modified;
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end;
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var
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AForm: TfrmdxMemDataPersistent;
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begin
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AForm := TfrmdxMemDataPersistent.Create(nil);
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try
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AForm.SetMemData(AMemData);
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if AForm.ShowModal = mrOK then
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begin
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if AForm.InternalMemData.State in dsEditModes then
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AForm.InternalMemData.Post;
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AForm.InternalMemData.Persistent.SaveData;
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AMemData.Persistent.Assign(AForm.InternalMemData.Persistent);
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if AMemData.Active then
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begin
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AMemData.Close;
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AMemData.Open;
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end;
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SetDesignerModified;
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end;
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finally
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AForm.Free;
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end;
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end;
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procedure TfrmdxMemDataPersistent.SetMemData(AMemData: TdxCustomMemData);
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begin
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InternalMemData.CreateFieldsFromDataSet(AMemData);
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InternalMemData.Persistent.Assign(AMemData.Persistent);
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InternalMemData.Persistent.LoadData;
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InternalMemData.Open;
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end;
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procedure TfrmdxMemDataPersistent.btnClearClick(Sender: TObject);
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begin
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InternalMemData.DisableControls;
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try
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while not InternalMemData.Eof do
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InternalMemData.Delete;
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finally
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InternalMemData.EnableControls;
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end;
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end;
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procedure TfrmdxMemDataPersistent.btnLoadClick(Sender: TObject);
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begin
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if OpenDialog.Execute then
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try
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InternalMemData.LoadFromBinaryFile(OpenDialog.FileName);
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except
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end;
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end;
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procedure TfrmdxMemDataPersistent.btnSaveClick(Sender: TObject);
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begin
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if SaveDialog.Execute then
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try
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InternalMemData.SaveToBinaryFile(SaveDialog.FileName);
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except
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end;
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end;
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end.
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