[JVCL-Checkins] CVS: dev/JVCL3/examples/JvLogFile JvLogFileDemo.dof,NONE,1.1 JvLogFileDemo.dpr,NONE,1.1 JvLogFileDemo.res,NONE,1.1 JvLogFileMainFormU.dfm,NONE,1.1 JvLogFileMainFormU.pas,NONE,1.1

[Peter T. <pe...@us...>]

Update of /cvsroot/jvcl/dev/JVCL3/examples/JvLogFile
In directory sc8-pr-cvs1:/tmp/cvs-serv4702/JVCL3/examples/JvLogFile

Added Files:
	JvLogFileDemo.dof JvLogFileDemo.dpr JvLogFileDemo.res 
	JvLogFileMainFormU.dfm JvLogFileMainFormU.pas 
Log Message:
- Copied jvcl/devtools and jvcl/examples dev/JVCL3
- Copied JVCLConvert *.dat files to dev/JVCL3/converter

--- NEW FILE: JvLogFileDemo.dof ---
[Directories]
OutputDir=..\..\Bin
UnitOutputDir=..\..\Dcu
SearchPath=..\..\Source;..\..\Common

--- NEW FILE: JvLogFileDemo.dpr ---
program JvLogFileDemo;

uses
  Forms,
  JvLogFileMainFormU in 'JvLogFileMainFormU.pas' {JvLogFileMainForm};

{$R *.res}

begin
  Application.Initialize;
  Application.CreateForm(TJvLogFileMainForm, JvLogFileMainForm);
  Application.CreateForm(TJvLogFileMainForm, JvLogFileMainForm);
  Application.Run;
end.

--- NEW FILE: JvLogFileDemo.res ---
(This appears to be a binary file; contents omitted.)

--- NEW FILE: JvLogFileMainFormU.dfm ---
object JvLogFileMainForm: TJvLogFileMainForm
  Left = 382
  Top = 192
  Width = 421
  Height = 300
  Caption = 'JvLogFile demo'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Shell Dlg 2'
  Font.Style = []
  OldCreateOrder = False
  OnCreate = FormCreate
  OnMouseMove = FormMouseMove
  PixelsPerInch = 96
  TextHeight = 13
  object lblActive: TLabel
    Left = 40
    Top = 104
    Width = 336
    Height = 13
    Anchors = []
    Caption = 'Move the mouse across the form to generate log messages'
    Font.Charset = DEFAULT_CHARSET
    Font.Color = clWindowText
    Font.Height = -11
    Font.Name = 'MS Shell Dlg 2'
    Font.Style = [fsBold]
    ParentFont = False
    Visible = False
  end
  object lblInactive: TLabel
    Left = 40
    Top = 104
    Width = 329
    Height = 13
    Anchors = []
    Caption = 'Click on the Start button to start generating log messages'
    Font.Charset = DEFAULT_CHARSET
    Font.Color = clWindowText
    Font.Height = -11
    Font.Name = 'MS Shell Dlg 2'
    Font.Style = [fsBold]
    ParentFont = False
  end
  object btnStart: TButton
    Left = 159
    Top = 232
    Width = 75
    Height = 25
    Anchors = [akRight, akBottom]
    Caption = '&Start'
    TabOrder = 0
    OnClick = btnStartClick
  end
  object btnShow: TButton
    Left = 239
    Top = 232
    Width = 75
    Height = 25
    Anchors = [akRight, akBottom]
    Caption = 'S&how'
    TabOrder = 1
    OnClick = btnShowClick
  end
  object btnReset: TButton
    Left = 319
    Top = 232
    Width = 75
    Height = 25
    Anchors = [akRight, akBottom]
    Caption = '&Reset'
    TabOrder = 2
    OnClick = btnResetClick
  end
  object JvLogFile1: TJvLogFile
    Left = 32
    Top = 184
  end
end

--- NEW FILE: JvLogFileMainFormU.pas ---
unit JvLogFileMainFormU;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
  Dialogs, JvComponent, JvLogFile, StdCtrls;

type
  TJvLogFileMainForm = class(TForm)
    JvLogFile1: TJvLogFile;
    btnStart: TButton;
    btnShow: TButton;
    lblActive: TLabel;
    btnReset: TButton;
    lblInactive: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure btnStartClick(Sender: TObject);
    procedure btnShowClick(Sender: TObject);
    procedure FormMouseMove(Sender: TObject; Shift: TShiftState; X,
      Y: Integer);
    procedure btnResetClick(Sender: TObject);
  private
    { Private declarations }
    FLogFileName:string;
    procedure StartLogging;
    procedure StopLogging;
    procedure ResetLogging;
  end;

var
  JvLogFileMainForm: TJvLogFileMainForm;

implementation

{$R *.dfm}

procedure TJvLogFileMainForm.FormCreate(Sender: TObject);
begin
  FLogFileName := ChangeFileExt(Application.ExeName,'.log');
end;

procedure TJvLogFileMainForm.btnStartClick(Sender: TObject);
begin
  if btnStart.Tag = 0 then
    StartLogging
  else
    StopLogging;
end;

procedure TJvLogFileMainForm.btnShowClick(Sender: TObject);
begin
  if btnStart.Tag = 1 then
    btnStart.Click; // stop logging
  JvLogFile1.ShowLog('Mouse Move Log');
end;

procedure TJvLogFileMainForm.FormMouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
begin
  if btnStart.Tag = 1 then
    JvLogFile1.Add(DateTimeToStr(Now),'Mouse Move',Format('X:%d, Y:%d',[X,Y]));
  Caption := Format('JvLogFile Demo - X:%d, Y:%d',[X,Y]);
end;

procedure TJvLogFileMainForm.ResetLogging;
begin
  StopLogging;
  DeleteFile(FLogFileName);
  JvLogFile1.Clear;
end;

procedure TJvLogFileMainForm.StartLogging;
begin
  if FileExists(FLogFileName) then
    JvLogFile1.LoadFromFile(FLogFileName);
  btnStart.Caption := '&Stop';
  btnStart.Tag := 1;
  lblActive.Visible := true;
  lblInactive.Visible := false;
end;

procedure TJvLogFileMainForm.StopLogging;
begin
  btnStart.Tag := 0;
  lblActive.Visible := false;
  lblInactive.Visible := true;
  btnStart.Caption := '&Start';
  JvLogFile1.SaveToFile(FLogFileName);
end;

procedure TJvLogFileMainForm.btnResetClick(Sender: TObject);
begin
  ResetLogging;
end;

end.