lazarus/components/dbexport/demo/stdexports/frmmain.pp
2013-09-28 15:57:45 +00:00

129 lines
2.5 KiB
ObjectPascal

unit frmmain;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, ActnList,
Menus, ComCtrls, ExtCtrls, DbCtrls, dbf, db, DBGrids, fpdataexporter, fpstdexports;
type
{ TMainForm }
TMainForm = class(TForm)
AExport: TAction;
AQuit: TAction;
AOpen: TAction;
ANew: TAction;
ALMain: TActionList;
DSData: TDatasource;
DBFData: TDbf;
Exporter: TFPDataExporter;
GData: TDBGrid;
MIExport: TMenuItem;
NBData: TDBNavigator;
ILMain: TImageList;
MMMain: TMainMenu;
MIQuit: TMenuItem;
MINew: TMenuItem;
MIOpen: TMenuItem;
MISep: TMenuItem;
MFile: TMenuItem;
ODDBF: TOpenDialog;
PButtons: TPanel;
SDExport: TSaveDialog;
SDDBF: TSaveDialog;
StandardExportFormats1: TStandardExportFormats;
TBMain: TToolBar;
ToolButton1: TToolButton;
TBRTFExport: TToolButton;
ToolButton2: TToolButton;
ToolButton3: TToolButton;
procedure AExportExecute(Sender: TObject);
procedure ANewExecute(Sender: TObject);
procedure AOpenExecute(Sender: TObject);
procedure AQuitExecute(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure HaveData(Sender: TObject);
private
{ private declarations }
FDesignCaption: string;
procedure CreateNewDataset(AFileName: String);
procedure OpenDataset(AFileName: String);
public
{ public declarations }
end;
var
MainForm: TMainForm;
implementation
{$R frmmain.lfm}
uses gendata;
{ TMainForm }
procedure TMainForm.AOpenExecute(Sender: TObject);
begin
If ODDBF.Execute then
OpenDataset(ODDBF.FileName);
end;
procedure TMainForm.AQuitExecute(Sender: TObject);
begin
Close;
end;
procedure TMainForm.ANewExecute(Sender: TObject);
begin
if SDDBF.Execute then
begin
CreateNewDataset(SDDBF.FileName);
OpenDataset(SDDBF.FileName);
end;
end;
procedure TMainForm.AExportExecute(Sender: TObject);
begin
Exporter.Execute;
end;
procedure TMainForm.CreateNewDataset(AFileName : String);
begin
With TDBFGenerator.Create do
try
OutputFile:=AFileName;
GenerateData;
finally
Free;
end;
end;
procedure TMainForm.FormCreate(Sender: TObject);
begin
FDesignCaption:=Caption;
end;
procedure TMainForm.HaveData(Sender: TObject);
begin
(Sender as TAction).Enabled:=DBFData.Active and Not (DBFData.EOF and DBFDATA.BOF);
end;
procedure TMainForm.OpenDataset(AFileName : String);
begin
DBFData.Close;
DBFData.TableName:=AFileName;
DBFData.Open;
Caption:=Format('%s (%s)',[FDesignCaption,AFileName]);
end;
end.