david
ac9b7c9668
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@17 7f62d464-2af8-f54e-996c-e91b33f51cbe
135 lines
4.0 KiB
ObjectPascal
135 lines
4.0 KiB
ObjectPascal
{******************************************************************
|
|
|
|
JEDI-VCL Demo
|
|
|
|
Copyright (C) 2002 Project JEDI
|
|
|
|
Original author:
|
|
|
|
Contributor(s):
|
|
|
|
You may retrieve the latest version of this file at the JEDI-JVCL
|
|
home page, located at http://jvcl.sourceforge.net
|
|
|
|
The contents of this file are used with permission, 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_1Final.html
|
|
|
|
Software distributed under the License is distributed on an
|
|
"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
implied. See the License for the specific language governing
|
|
rights and limitations under the License.
|
|
|
|
******************************************************************}
|
|
|
|
unit CsvDataSourceDemoFm;
|
|
|
|
{ Demo by Warren Postma, warrenpstma@hotmail.com }
|
|
|
|
interface
|
|
|
|
uses
|
|
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
|
|
Dialogs, DB, Grids, DBGrids, ExtCtrls, DBCtrls, StdCtrls,
|
|
ComCtrls, JvCSVParse, JvCsvData;
|
|
|
|
|
|
type
|
|
TCsvDataSourceForm = class(TForm)
|
|
DataSource1: TDataSource;
|
|
DBNavigator1: TDBNavigator;
|
|
DBGrid1: TDBGrid;
|
|
Button1: TButton;
|
|
Button2: TButton;
|
|
Memo1: TMemo;
|
|
Button3: TButton;
|
|
JvCsvDataSet1: TJvCsvDataSet;
|
|
JvCsvDataSet1NAME: TStringField;
|
|
JvCsvDataSet1ADDRESS: TStringField;
|
|
JvCsvDataSet1ADDRESS2: TStringField;
|
|
JvCsvDataSet1TELEPHONE: TStringField;
|
|
JvCsvDataSet1AGE: TIntegerField;
|
|
JvCsvDataSet1LASTPHONECALL: TDateTimeField;
|
|
JvCsvDataSet1PRIVATENUMBER: TBooleanField;
|
|
Label2: TLabel;
|
|
ComboBox1: TComboBox;
|
|
RichEdit1: TRichEdit;
|
|
Button4: TButton;
|
|
OpenDialog1: TOpenDialog;
|
|
procedure Button2Click(Sender: TObject);
|
|
procedure Button1Click(Sender: TObject);
|
|
procedure Button3Click(Sender: TObject);
|
|
procedure FormCreate(Sender: TObject);
|
|
procedure FormClose(Sender: TObject; var Action: TCloseAction);
|
|
procedure ComboBox1Change(Sender: TObject);
|
|
procedure Button4Click(Sender: TObject);
|
|
procedure FormShow(Sender: TObject);
|
|
public
|
|
end;
|
|
|
|
var
|
|
CsvDataSourceForm: TCsvDataSourceForm;
|
|
|
|
implementation
|
|
|
|
{$R *.dfm}
|
|
|
|
procedure TCsvDataSourceForm.Button2Click(Sender: TObject);
|
|
begin
|
|
// OutputDebugString(PChar(JvCsvDataSet1.GetCsvHeader)); // neat trick. reads first line of file only.
|
|
|
|
JvCsvDataSet1.Flush; // flush current contents to disk. okay, maybe it should be called save,
|
|
// then you wouldn't see jokes in the code about how this component has
|
|
// been tested, and shown to last for over two thousand flushes. <grin>
|
|
end;
|
|
|
|
procedure TCsvDataSourceForm.Button1Click(Sender: TObject);
|
|
begin
|
|
Memo1.Clear;
|
|
JvCsvDataSet1.AssignToStrings(Memo1.Lines);
|
|
end;
|
|
|
|
procedure TCsvDataSourceForm.Button3Click(Sender: TObject);
|
|
begin
|
|
JvCsvDataSet1.Active := False;
|
|
JvCsvDataSet1.AssignFromStrings(Memo1.Lines);
|
|
JvCsvDataSet1.Active := True;
|
|
end;
|
|
|
|
procedure TCsvDataSourceForm.FormCreate(Sender: TObject);
|
|
begin
|
|
|
|
// second component tests what happens if you don't set up the CsvDef field
|
|
|
|
// JvCsvDataSet2.Active := True; // ensure it's opened when the app is started.
|
|
end;
|
|
|
|
procedure TCsvDataSourceForm.FormShow(Sender: TObject);
|
|
begin
|
|
JvCsvDataSet1.Active := True; // ensure it's opened when the app is started.
|
|
|
|
end;
|
|
|
|
procedure TCsvDataSourceForm.FormClose(Sender: TObject;
|
|
var Action: TCloseAction);
|
|
begin
|
|
if DataSource1.State = dsEdit then
|
|
JvCsvDataSet1.Post;
|
|
end;
|
|
|
|
procedure TCsvDataSourceForm.ComboBox1Change(Sender: TObject);
|
|
begin
|
|
// kind of stupid hack, but hey:
|
|
JvCsvDataSet1LASTPHONECALL.DisplayFormat := String(JvAnsiStrStrip(AnsiString(ComboBox1.Text)));
|
|
end;
|
|
|
|
procedure TCsvDataSourceForm.Button4Click(Sender: TObject);
|
|
begin
|
|
if OpenDialog1.Execute then
|
|
Memo1.Lines.LoadFromFile(OpenDialog1.FileName);
|
|
end;
|
|
|
|
end.
|