<?
//
// FAPWeb Simple Demoparty System
// Party information display system
// (C) Copyright 2012-2013 Tecnic Software productions (TNSP)
//
require "mconfig.inc.php";
require "msite.inc.php";
require "mcommon.inc.php";
require "majax.php";

stSetupCacheControl();

cmPrintPageHeader("PARTY INFORMATION DISPLAY SYSTEM", "", FALSE);
stCommonAJAX("showajax.php", "show.php", TRUE);
?>

<!-- ========================== -->

<noscript>
  <div class="notice">
    <h1>Javascript required</h1>
    <p>
    The compo system page requires Javascript to be enabled for the AJAX functionality.
    <br />
    <a href="#">Please enable Javascript and reload this page</a>.
    </p>
  </div>
</noscript>

<div class="showView" id="mainView0"></div>
<div class="showView" id="mainView1"></div>

<!-- ========================== -->

<script type="text/javascript">

var failCount = 0;
var prevView = -1, activeView = 0;
var errorView = false;


function tickAnim()
{
  if (activeView != prevView)
  {
    document.getElementById("mainView0").style.display = (activeView == 0) ? "block" : "none";
    document.getElementById("mainView1").style.display = (activeView == 1) ? "block" : "none";
    prevView = activeView;
  }
}


function updateView(txt)
{
  var view = document.getElementById("mainView"+ activeView);
  if (view)
  {
    view.innerHTML = txt;
  }
}


function displayError()
{
  // Increase failure count
  if (++failCount > 5 && !errorView)
  {
    errorView = true;
    updateView("... error ...");
  }
}


//
// Update view when triggered by main tick
//
function viewChanged()
{
  var msuccess = function(txt)
  {
    // Successfully fetched new data, initiate view update
    failCount = 0;
    errorView = false;
    updateView(txt);
  }

  sendPOSTRequest("action=get", msuccess, displayError);
}


//
// Main tick function, check for updates from server
//
function tickMain()
{
  var msuccess = function(txt)
  {
    failCount = 0;
    if (txt == "changed")
    {
      viewChanged();
      setTimeout("tickMain();", 500);
    }
    else
    {
      setTimeout("tickMain();", 2000);
    }
  }
  
  var mfail = function(txt)
  {
    displayError();
    setTimeout("tickMain();", 5000);
  }

  sendPOSTRequest("action=check", msuccess, mfail);
}


setTimeout("tickMain();", 1000);
setInterval("tickAnim();", 25);
viewChanged();

</script>
<?
cmPrintPageFooter(FALSE);
?>