//////////////////////////////////////////////////////////////////////
//                                                                  //
// GeneralOptions.pas: General Options Dialog                       //
//                                                                  //
// The contents of this file are subject to the Bottled Light       //
// Public License Version 1.0 (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.bottledlight.com/BLPL/         //
//                                                                  //
// 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.                        //
//                                                                  //
// The Original Code is the Mappy VM User Interface, released       //
// April 1st, 2003. The Initial Developer of the Original Code is   //
// Bottled Light, Inc. Portions created by Bottled Light, Inc. are  //
// Copyright (C) 2001-2003 Bottled Light, Inc. All Rights Reserved. //
//                                                                  //
// Author(s):                                                       //
//   Michael Noland (joat), michael@bottledlight.com                //
//                                                                  //
// Changelog:                                                       //
//   1.0: First public release (April 1st, 2003)                    //
//                                                                  //
// Notes:                                                           //
//   None at present.                                               //
//                                                                  //
//////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////
unit GeneralOptions; /////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////
interface ////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, IniFiles, CheckLst, Registry, Math,
  CpuObservers, nexus, console;

//////////////////////////////////////////////////////////////////////

type
  TGeneralOptionsDialog = class(TCpuObserver)
    behaviorGroup: TGroupBox;
    cShowSplash: TCheckBox;
    cAutorunROMs: TCheckBox;
    associationsGroup: TGroupBox;
    assocs: TCheckListBox;
    bHelp: TButton;
    bApply: TButton;
    languageGroup: TGroupBox;
    languageSelector: TListBox;
    lChangeWarning: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure ApplyAssociations(Sender: TObject);
    procedure ShowHelp(Sender: TObject);
    procedure ChangeSettings(Sender: TObject);
    procedure ChangeLanguage(Sender: TObject);
  public
    procedure UpdateObserver; override;
    class function OCaption: string; override;
    procedure LoadSettings(ini: TIniFile); override;
    procedure SaveSettings(ini: TIniFile); override;
  end;

//////////////////////////////////////////////////////////////////////

var
  GeneralOptionsDialog: TGeneralOptionsDialog;

  // General
  showSplashScreen: boolean;
  autorunROMs: boolean;
  associations: string;
  runOnce: boolean;
  languageFile: string;

//////////////////////////////////////////////////////////////////////

procedure LoadGeneralOptions(ini: TIniFile);
procedure SaveGeneralOptions(ini: TIniFile);

//////////////////////////////////////////////////////////////////////
implementation ///////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////

{$R *.DFM}

//////////////////////////////////////////////////////////////////////
// File associations /////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////

procedure ReassertAssociations;
var
  reg: TRegistry;
  cmd, st: string;
begin
  // Get at the registry
  reg := TRegistry.Create;
  reg.RootKey := HKEY_CLASSES_ROOT;

  // Add the icon for associations
  if reg.OpenKey('JDEV.AGBBinary\DefaultIcon', true) then begin
    reg.WriteString('', ParamStr(0) + ',0');
    reg.CloseKey;
  end;
  if reg.OpenKey('JDEV.AGBSaveState\DefaultIcon', true) then begin
    reg.WriteString('', ParamStr(0) + ',0');
    reg.CloseKey;
  end;

  // Add the action for associations
  if reg.OpenKey('JDEV.AGBBinary\shell\open\command', true) then begin
    reg.WriteString('', Format('"%s" "%s"', [ParamStr(0), '%1']));
    reg.CloseKey;
  end;
  if reg.OpenKey('JDEV.AGBSaveState\shell\open\command', true) then begin
    reg.WriteString('', Format('"%s" "%s"', [ParamStr(0), '%1']));
    reg.CloseKey;
  end;

  // Set the associations
  cmd := Trim(associations);
  while cmd <> '' do begin
    st := CutLeft(cmd);
    if st[1] <> '.' then st := '.' + st;

    if reg.OpenKey(st, true) then begin
      reg.WriteString('', 'JDEV.AGBBinary');
      reg.CloseKey;
    end;
  end;

  // Close the registry
  reg.Free;
end;

//////////////////////////////////////////////////////////////////////
// TGeneralOptionsDialog /////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////

procedure TGeneralOptionsDialog.FormCreate(Sender: TObject);
begin
  HelpContext := LinkHelp('general_options.html');
end;

//////////////////////////////////////////////////////////////////////

procedure TGeneralOptionsDialog.FormShow(Sender: TObject);
var
  f: TSearchRec;
  st: string;
begin
  // Build the translation list
  languageSelector.Clear;
  languageSelector.Items.Add('[default]');
  if FindFirst(ExtractFilePath(ParamStr(0)) + '*.trs', faAnyFile, f) = 0 then
    repeat
      st := ExtractFileName(f.Name);
      Delete(st, Length(st)-3, 4);
      languageSelector.Items.Add(st);
    until FindNext(f) <> 0;
  FindClose(f);

  // General settings
  cShowSplash.Checked := showSplashScreen;
  cAutorunROMS.Checked := autorunROMs;

  // Load the translation
  LoadTranslation(self, translation);
end;

//////////////////////////////////////////////////////////////////////

procedure TGeneralOptionsDialog.ApplyAssociations(Sender: TObject);
var
  cmd: string;
begin
  cmd := '';
  if assocs.Checked[0] then cmd := cmd + ' .agb';
  if assocs.Checked[1] then cmd := cmd + ' .bin';
  if assocs.Checked[2] then cmd := cmd + ' .gba';
  if assocs.Checked[3] then cmd := cmd + ' .jst';
  if assocs.Checked[4] then cmd := cmd + ' .mb';
  if assocs.Checked[5] then cmd := cmd + ' .elf';
  associations := Trim(cmd);

  ReassertAssociations;
end;

//////////////////////////////////////////////////////////////////////

procedure TGeneralOptionsDialog.ShowHelp(Sender: TObject);
begin
  ShowWebPage(helpFiles.strings[HelpContext-1]);
end;

//////////////////////////////////////////////////////////////////////

procedure TGeneralOptionsDialog.ChangeSettings(Sender: TObject);
begin
  // General settings
  showSplashScreen := cShowSplash.Checked;
  autorunROMs := cAutorunROMS.Checked;
end;

//////////////////////////////////////////////////////////////////////
// General Preferences  //////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////

procedure LoadGeneralOptions(ini: TIniFile);
begin
  // Read general settings
  showSplashScreen := ini.ReadBool('General', 'ShowSplashScren', true);
  autorunROMs := ini.ReadBool('General', 'Autorun', false);
  RunOnce := ini.ReadBool('General', 'RunOnce', false);
  associations := ini.ReadString('General', 'Associations', '');
  languageFile := ini.ReadString('General', 'Language', '');

  translation.Clear;
  if FileExists(languageFile) and (Uppercase(languageFile) <> '[DEFAULT]') then
    translation.LoadFromFile(languageFile)
  else
    languageFile := '';

  ReassertAssociations;
end;

//////////////////////////////////////////////////////////////////////

procedure SaveGeneralOptions(ini: TIniFile);
begin
  // Write general settings
  ini.WriteBool('General', 'ShowSplashScren', showSplashScreen);
  ini.WriteBool('General', 'Autorun', autorunROMs);
  ini.WriteBool('General', 'RunOnce', true);
  ini.WriteString('General', 'Associations', associations);
  ini.WriteString('General', 'Language', languageFile);
end;

//////////////////////////////////////////////////////////////////////

procedure TGeneralOptionsDialog.LoadSettings(ini: TIniFile);
begin
  inherited;
//
end;

//////////////////////////////////////////////////////////////////////

class function TGeneralOptionsDialog.OCaption: string;
begin
  Result := 'General Options';
end;

//////////////////////////////////////////////////////////////////////

procedure TGeneralOptionsDialog.SaveSettings(ini: TIniFile);
begin
  inherited;
//
end;

//////////////////////////////////////////////////////////////////////

procedure TGeneralOptionsDialog.UpdateObserver;
begin
//
end;

//////////////////////////////////////////////////////////////////////

procedure TGeneralOptionsDialog.ChangeLanguage(Sender: TObject);
var
  st: string;
begin
  if languageSelector.ItemIndex > -1 then begin
    st := ExtractFilePath(ParamStr(0)) + languageSelector.Items[languageSelector.ItemIndex] + '.trs';
    if FileExists(st) and (Uppercase(st) <> '[DEFAULT]') then begin
      languageFile := st;
      translation.LoadFromFile(st);
      LoadTranslation(self, translation);
      ShowMessage(lChangeWarning.Caption);
    end else
      languageFile := '';
  end;
end;

//////////////////////////////////////////////////////////////////////

initialization
  RegisterDialog(TGeneralOptionsDialog);
end.

//////////////////////////////////////////////////////////////////////