/*
 * Smoothbox v20080623 by Boris Popoff (http://gueschla.com)
 * To be used with mootools 1.2
 *
 * Based on Cody Lindley's Thickbox, MIT License
 *
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 */

// on page load call TBEX_init
window.addEvent('domready', TBEX_init);

// prevent javascript error before the content has loaded
TBEX_WIDTH = 0;
TBEX_HEIGHT = 0;
var TBEX_doneOnce = 0;
var TBEX_closeCallback = null;

// add smoothbox to href elements that have a class of .smoothbox
function TBEX_init(){
	$$("a.smoothboxex").each(function(el){el.onclick=TBEX_bind});
}

function TBEX_bind(event){
	var event = new Event(event);
	// stop default behaviour
	event.preventDefault();
	// remove click border
	this.blur();
	// get caption: either title or name attribute
	var caption = this.title || this.name || "";
	// get rel attribute for image groups
	var group = this.rel || false;
	// display the box for the elements href
	TBEX_show(caption, this.href, group);
    this.onclick = TBEX_bind;
    return false;
}

// called when the user clicks on a smoothbox link
function TBEX_show(caption, url, rel, loading, disable_close, close_callback) {

  // set default closing mechanism
  if(!disable_close) { disable_close = 0; }

  // set close callback
  if(close_callback) {
	TBEX_closeCallback = close_callback;
  } else {
	TBEX_closeCallback = null;
  }
  
  // create iframe, overlay and box if non-existent
  if (!$("TBEX_overlay")) {
    new Element('div').setProperty('id', 'TBEX_overlay').inject(document.body);
    $('TBEX_overlay').setOpacity(0.6);
  }

  if (!$("TBEX_window")) {
    new Element('div').setProperty('id', 'TBEX_window').inject(document.body);
    $('TBEX_window').setOpacity(0);
  }
  else 
  {
    $('TBEX_window').dispose();
	// SEMODS also kill TB
	if($('TB_window')) {
		$('TB_window').dispose();
	}
    new Element('div').setProperty('id', 'TBEX_window').inject(document.body);
    $('TBEX_window').setOpacity(0);
  }

	if (!$("TBEX_load")) {
	  new Element('div').setProperty('id', 'TBEX_load').inject(document.body);
	  $('TBEX_load').innerHTML = "<img src='./images/tbex_loadingAnimation.gif' alt='Loading' />";
	}
	//$('TBEX_load').show();
	$('TBEX_load').setStyle('display','block');
	//document.getElementByID('TBEX_load').style.display = "";

  if(disable_close == 0) { $("TBEX_overlay").onclick=TBEX_remove; } else { $("TBEX_overlay").onclick = ''; }
  //window.onscroll = TBEX_position;
    
  // check if a query string is involved
  var baseURL = url.match(/(.+)?/)[1] || url;
    
  // CODE TO SHOW IFRAME
  var queryString = url.match(/\?(.+)/)[1];
  var params = TBEX_parseQuery(queryString);
    
	// autosize - fullscreen   
  if(!params['width'] || !params['height']) {
//      TBEX_HEIGHT = (document.all?document.body.parentNode.clientHeight:window.innerHeight) - 20;
      TBEX_HEIGHT = (document.all?document.documentElement.clientHeight:window.innerHeight) - 40;
      TBEX_WIDTH  = (document.all?document.body.clientWidth:window.innerWidth) - 40;
  } else {
	TBEX_WIDTH = (params['width'] * 1) + 30;
	TBEX_HEIGHT = (params['height'] * 1) + 40;
  }
        
  var ajaxContentW = TBEX_WIDTH - 30, ajaxContentH = TBEX_HEIGHT - 45;

  if (url.indexOf('TBEX_iframe') != -1) {
    urlNoQuery = url.split('TBEX_');
    $("TBEX_window").innerHTML += "<div id='TBEX_title'><div id='TBEX_ajaxWindowTitle'>" + caption + "</div><div id='TBEX_closeAjaxWindow'><a href='#' id='TBEX_closeWindowButton' title='Close'>X</a></div></div><iframe frameborder='0' hspace='0' src='" + urlNoQuery[0] + "&in_smoothbox=true' id='TBEX_iframeContent' name='TBEX_iframeContent' scrolling='auto' style='width:" + (ajaxContentW + 29) + "px;height:" + (ajaxContentH + 17) + "px;' onload='TBEX_showWindow()'> </iframe>";
  }
  else {
    $("TBEX_window").innerHTML += "<div id='TBEX_title'><div id='TBEX_ajaxWindowTitle'>" + caption + "</div><div id='TBEX_closeAjaxWindow'><a href='#' id='TBEX_closeWindowButton'>X</a></div></div><div id='TBEX_ajaxContent' style='width:" + ajaxContentW + "px;height:" + ajaxContentH + "px;'></div>";
  }

  $("TBEX_closeWindowButton").onclick = TBEX_remove;

  if (url.indexOf('TBEX_inline') != -1) {
    $("TBEX_ajaxContent").innerHTML = ($(params['inlineId']).innerHTML);
    TBEX_position();
	$('TBEX_load').dispose();
    TBEX_showWindow();
  } else if (url.indexOf('TBEX_iframe') != -1) {
    TBEX_position();
    if (frames['TBEX_iframeContent'] == undefined) {//be nice to safari
      $(document).keyup(function(e){
                    var key = e.keyCode;
                    if (key == 27) {
                        TBEX_remove()
                    }
      });
      TBEX_showWindow();
    }
  } else {
	

    var handlerFunc = function(){
          TBEX_position();
		  $("TBEX_load").dispose();
          TBEX_showWindow();
    };
    new Request.HTML({
                    method: 'get',
                    update: $("TBEX_ajaxContent"),
                    onComplete: handlerFunc
    }).get(url);
  }

  document.onkeyup = function(event){
      var event = new Event(event);
      if (event.code == 27) { // close
          TBEX_remove();
      }
  }


}

//helper functions below

function TBEX_showWindow(){

    if($('TBEX_load')) {
    	$('TBEX_load').dispose();
    }

    if (TBEX_doneOnce == 0) {
        TBEX_doneOnce = 1;
        
        $('TBEX_window').set('tween', {
            duration: 250
        });
        $('TBEX_window').tween('opacity', 0, 1);
        
    }
    else {
        $('TBEX_window').setStyle('opacity', 1);
    }

//  $('TBEX_window').setStyle('opacity', 1);
}

function TBEX_remove(){
    $("TBEX_overlay").onclick = null;
    document.onkeyup = null;
    document.onkeydown = null;
    
    if ($('TBEX_closeWindowButton')) 
        $("TBEX_closeWindowButton").onclick = null;
    
    $('TBEX_window').set('tween', {
        duration: 250,
        onComplete: function(){
            $('TBEX_window').dispose();
			// SEMODS also kill TB
			if($('TB_window')) {
				$('TB_window').dispose();
			}
			if(TBEX_closeCallback) {
				TBEX_closeCallback();
			}
        }
    });
    $('TBEX_window').tween('opacity', 1, 0);
    
    
    
    $('TBEX_overlay').set('tween', {
        duration: 400,
        onComplete: function(){
            $('TBEX_overlay').dispose();
			// SEMODS also kill TB
			if($('TB_overlay')) {
				$('TB_overlay').dispose();
			}
        }
    });
    $('TBEX_overlay').tween('opacity', 0.6, 0);
    
    window.onscroll = null;
    window.onresize = null;
    
    TBEX_init();
    TBEX_doneOnce = 0;
    return false;
}

function TBEX_position() {
//    $('TB_window').set('morph', {
//        duration: 75
//    });
//    $('TB_window').morph({
//		width: TB_WIDTH + 'px',
//		left: (window.getScrollLeft() + (window.getWidth() - TB_WIDTH) / 2) + 'px',
//		top: (window.getScrollTop() + (window.getHeight() - TB_HEIGHT) / 2) + 'px'
//	});	

	$('TBEX_window').setStyle('marginLeft', '-' + parseInt(TBEX_WIDTH / 2) + 'px');
	$('TBEX_window').setStyle('width', TBEX_WIDTH + 'px');

     //$("#TBEX_window").css({marginLeft: '-' + parseInt(TBEX_WIDTH / 2) + 'px', width: TBEX_WIDTH + 'px'});
     //if ( !(jQuery.browser.msie && typeof XMLHttpRequest == 'function') ) { // take away IE6
     //    $("#TBEX_window").css({marginTop: '-' + parseInt(TBEX_HEIGHT / 2) + 'px'});
     //}
     if ( !(SEMods.B.isIE && typeof XMLHttpRequest == 'function') ) { // take away IE6
		$('TBEX_window').setStyle('marginTop', '-' + parseInt(TBEX_HEIGHT / 2) + 'px');
         //$("#TBEX_window").css({marginTop: '-' + parseInt(TBEX_HEIGHT / 2) + 'px'});
     }

}


function TBEX_parseQuery(query){
    // return empty object
    if (!query) 
        return {};
    var params = {};
    
    // parse query
    var pairs = query.split(/[;&]/);
    for (var i = 0; i < pairs.length; i++) {
        var pair = pairs[i].split('=');
        if (!pair || pair.length != 2) 
            continue;
        // unescape both key and value, replace "+" with spaces in value
        params[unescape(pair[0])] = unescape(pair[1]).replace(/\+/g, ' ');
    }
    return params;
}