ÿþ/******************************************************************************

 * Author:                                                                    *

 *   Etienne Richard                                                          *

 *   Rue de la Chapelle 30                                                    *

 *   2034 Peseux                                                              *

 *   Switzerland                                                              *

 * Revision history:                                                          *

 *   2006-09-27 Initial revision                                              *

 *   2006-11-04 Added "Halloween  2006" gallery manually.                     *

 *   2007-04-14 Added "Eastern    2007" gallery manually.                     *

 *   2009-04-20 Added "Eastern    2009" gallery manually.                     *

 *   2010-10-30 Added "Renovation 2010" gallery manually.                     *

 ******************************************************************************/



FORM = null ;

WAIT = 3000 ; // 3 seconds



PATH     = null ;

PICTURES = null ;

CAPTIONS = null ;



MIN =  0 ;

MAX = -1 ;

CUR = -1 ;





//------------------------------------------------------------------------------

function UpdateImageAndCaption()

{

  var p = PICTURES[CUR] ;

  var c = CAPTIONS[CUR] ;



  var pattern = /^.*_(\d+)\..{3}$/ ; // Notice the capturing group.

  pattern.test(p) ;



//var t = "[" + (CUR+1) + "/" + CAPTIONS.length + "] " + c +" (Ref. " + RegExp.$1 + ")" ;

  var t = "[" + (CUR+1) + "/" + CAPTIONS.length + "] " + c                              ;

  FORM.image.src     = PATH + p ;

  FORM.comment.value = t ;

}





//------------------------------------------------------------------------------

function InitSlideshow(path, pictures, captions)

{

  PATH     = path ;

  PICTURES = pictures ;

  CAPTIONS = captions ;



  MAX = (pictures.length - 1) ;

  CUR = 0 ;



  UpdateImageAndCaption() ;

}





//------------------------------------------------------------------------------

function OnLoad()

{

  if (FORM == null)

  {

    FORM=window.document.forms[0] ;

    //FORM.gallery.selectedIndex = 0 ;

    OnChange() ;

  }



  /* Labels: */

  FORM.btnMoveBwd.alt = GetMoveBwdLabel() ;

  FORM.btnMoveFwd.alt = GetMoveFwdLabel() ;

  FORM.btnStop   .alt = GetStopLabel() ;

  FORM.btnPlay   .alt = GetPlayLabel() ;

  FORM.btnMoveBwd.src = "../images/buttons/btnMoveBwd.bmp" ;

  FORM.btnMoveFwd.src = "../images/buttons/btnMoveFwd.bmp" ;

  FORM.btnStop   .src = "../images/buttons/btnStop.bmp"    ;

  FORM.btnPlay   .src = "../images/buttons/btnPlayFwd.bmp" ;

}





//------------------------------------------------------------------------------

function CircularSucc()

{

  if(CUR == MAX) { CUR  = MIN ; }

  else           { CUR += 1   ; }

}





//------------------------------------------------------------------------------

function CircularPred()

{

  if(CUR == MIN) { CUR  = MAX ; }

  else           { CUR -= 1   ; }

}





//------------------------------------------------------------------------------

function ShowNextImage()

{

  CircularSucc() ;

  UpdateImageAndCaption() ;

}





//------------------------------------------------------------------------------

function ShowPrevImage()

{

  CircularPred() ;

  UpdateImageAndCaption() ;

}





//------------------------------------------------------------------------------

function OnChange()

{

  var option = FORM.gallery.options[FORM.gallery.selectedIndex].value ;

  //alert("option = " + option) ;



  // Ugly :-(

  var path, p, c ;



  if        (option == "paques2005") {

    path = GetEastern2005Path() ;

    p    = GetEastern2005Pictures() ;

    c    = GetEastern2005Captions() ;

  } else if (option == "halloween2005") {

    path = GetHalloween2005Path() ;

    p    = GetHalloween2005Pictures() ;

    c    = GetHalloween2005Captions() ;

  } else if (option == "paques2006") {

    path = GetEastern2006Path() ;

    p    = GetEastern2006Pictures() ;

    c    = GetEastern2006Captions() ;

  } else if (option == "20ans") {

    path = Get20thAnniversaryPath() ;

    p    = Get20thAnniversaryPictures() ;

    c    = Get20thAnniversaryCaptions() ;

  } else if (option == "halloween2006") {

    path = GetHalloween2006Path() ;

    p    = GetHalloween2006Pictures() ;

    c    = GetHalloween2006Captions() ;

  } else if (option == "paques2007") {

    path = GetEastern2007Path() ;

    p    = GetEastern2007Pictures() ;

    c    = GetEastern2007Captions() ;

  } else if (option == "paques2009") {

    path = GetEastern2009Path() ;

    p    = GetEastern2009Pictures() ;

    c    = GetEastern2009Captions() ;

  } else if (option == "renovation2010") {

    path = GetRenovation2010Path() ;

    p    = GetRenovation2010Pictures() ;

    c    = GetRenovation2010Captions() ;

  }



  InitSlideshow(path, p, c) ;

}





/******************************************************************************

 * Play/stop

 ******************************************************************************/



var TIMERID = 0 ;

var STATE   = 1 ;





//------------------------------------------------------------------------------

function Disable()

{

  STATE = 0 ;



  FORM.btnMoveBwd.alt="(" + GetMoveBwdLabel() + ")" ;

  FORM.btnMoveFwd.alt="(" + GetMoveFwdLabel() + ")" ;

  FORM.btnMoveBwd.src="../images/buttons/btnMoveBwdDisabled.bmp" ;

  FORM.btnMoveFwd.src="../images/buttons/btnMoveFwdDisabled.bmp" ;



  FORM.gallery.disabled = true ;

}





//------------------------------------------------------------------------------

function Enable()

{

  STATE = 1 ;



  FORM.btnMoveBwd.alt=GetMoveBwdLabel() ;

  FORM.btnMoveFwd.alt=GetMoveFwdLabel() ;

  FORM.btnMoveBwd.src="../images/buttons/btnMoveBwd.bmp" ;

  FORM.btnMoveFwd.src="../images/buttons/btnMoveFwd.bmp" ;



  FORM.gallery.disabled = false ;

}





//------------------------------------------------------------------------------

function OnUpdate()

{

  if (TIMERID) {

    clearTimeout(TIMERID) ;

    TIMERID = 0 ;

  }



  /* Update. */

  ShowNextImage() ;



  /* Trigger */

  TIMERID = setTimeout("OnUpdate()", WAIT) ;

}





//------------------------------------------------------------------------------

function OnMoveBwd()

{

  if (STATE == 1) { ShowPrevImage() ; }

}





//------------------------------------------------------------------------------

function OnMoveFwd()

{

  if (STATE == 1) { ShowNextImage() ; }

}





//------------------------------------------------------------------------------

function OnPlay()

{

  Disable() ;

  TIMERID = setTimeout("OnUpdate()", WAIT)

  // Swap the images and the event-handlers:

  FORM.btnPlay.alt = GetPauseLabel() ;

  FORM.btnPlay.src = "../images/buttons/btnPause.bmp" ;

  FORM.btnPlay.onclick = OnPause ;

}





//------------------------------------------------------------------------------

function OnPause()

{

  Enable() ;

  if (TIMERID) {

    clearTimeout(TIMERID);

    TIMERID = 0 ;

  }

  // Swap the images and the event-handlers:

  FORM.btnPlay.alt = GetPlayLabel() ;

  FORM.btnPlay.src = "../images/buttons/btnPlayFwd.bmp" ;

  FORM.btnPlay.onclick = OnPlay ;

}





//------------------------------------------------------------------------------

function OnStop()

{

  Enable() ;

  if (TIMERID) {

    clearTimeout(TIMERID);

    TIMERID = 0 ;

  }

  CUR = 0 ;

  UpdateImageAndCaption() ;



  // Swap the images and the event-handlers:

  FORM.btnPlay.alt = GetPlayLabel() ;

  FORM.btnPlay.src = "../images/buttons/btnPlayFwd.bmp" ;

  FORM.btnPlay.onclick = OnPlay ;

}