/**
 * @author Bruno Bornsztein <bruno@missingmethod.com>
 * @copyright 2007 Curbly LLC
 * @package Glider
 * @license MIT
 * @url http://www.missingmethod.com/projects/glider/
 * @version 0.0.3
 * @dependencies prototype.js 1.5.1+, effects.js
 */

/*  Thanks to Andrew Dupont for refactoring help and code cleanup - http://andrewdupont.net/  */

Glider = Class.create();
Object.extend(Object.extend(Glider.prototype, Abstract.prototype), {   
	initialize: function(wrapper, options){    
	    this.scrolling  = false;
	    this.wrapper    = $(wrapper);
	    this.scroller   = this.wrapper.down('div.holcar');
	    this.sections   = this.wrapper.getElementsBySelector('div.section');
	    this.options    = Object.extend({ duration: 1.0, frequency: 3 }, options || {});

	    this.sections.each( function(section, index) {
	      section._index = index;
	    });    

	    this.events = {
	      click: this.click.bind(this)
	    };

	    this.addObservers();
        
             
			if(this.options.initialSection) 
            {
                 
                this.moveTo(this.options.initialSection, this.scroller, { duration:this.options.duration });  // initialSection should be the id of the section you want to show up on load
			}              
            
            if(this.options.autoGlide) 
            {
                this.start();
            }
        
	  },
	
  addObservers: function() {
    var controls = this.wrapper.getElementsBySelector('div.controls a');
    controls.invoke('observe', 'click', this.events.click);
  },
  
  /*click: function(event, init) {
    this.stop();
        var element = Event.findElement(event, 'a');

var section = window.location.href.split("#");
    if(typeof(section[1])!="undefined" && section[1]==element.href.split("#")[1])
    {
    }
    else {
  if (this.scrolling) this.scrolling.cancel();
this.moveTo(element.href.split("#")[1], this.scroller, { duration:this.options.duration });     
    setTimeout(function() { window.location.href = section[0]+"#"+element.href.split("#")[1];  }, 3300);
    }
    */
  /*click: function(event, init) {
    this.stop();
        var element = Event.findElement(event, 'a');

var section = window.location.href.split("#");
    if(typeof(section[1])!="undefined" && section[1]==element.href.split("#")[1])
    {
    }
    else {
    window.location.href = section[0]+"#"+element.href.split("#")[1];
}



    if (this.scrolling) this.scrolling.cancel();
 this.moveTo(element.href.split("#")[1], this.scroller, { duration:this.options.duration });     
    Event.stop(event); */
  click: function(event, init) {
		this.stop();
    var element = Event.findElement(event, 'a');
    var section = window.location.href.split("#");    
    if (this.scrolling) this.scrolling.cancel();
    
    jQuery('.controls ul li a').each(function (){
        jQuery(this).removeClass('selected');
    });
    jQuery('#b' + element.href.split("#")[1]).addClass('selected');
    this.moveTo(element.href.split("#")[1], this.scroller, { duration:this.options.duration });     
    
    if(jQuery.browser.mozilla) 
    setTimeout(function() { 
        window.location.href = section[0]+"#"+element.href.split("#")[1];  }, 3700);   
    else
    setTimeout(function() { 
        window.location.href = section[0]+"#"+element.href.split("#")[1];  }, 3500);            
    setTimeout(function() { 
        if(element.href.split("#")[1] == "vliegtickets" && jQuery("#vliegtickets-iframe").html() == "")
        {
            jQuery("#vliegtickets-iframe").html("<iframe src=\"http://www.amadeusepower.com/holcar/portals/holcar/default.aspx\" width=\"966\" height=\"600\">You need a Frames Capable browser to view this content.</iframe>");
        }
        
        if(element.href.split("#")[1] == "autoverhuur" && jQuery("#autoverhuur-iframe").html() == "")
        {
            jQuery("#autoverhuur-iframe").html("<iframe src=\"http://www.sunnycars.nl/booking/entry?ak=699366\" width=\"945\" height=\"700\" style=\"overflow-x:hidden;\">You need a Frames Capable browser to view this content.</iframe>");
        }
        
        if(element.href.split("#")[1] == "hotels" && jQuery("#hotels-iframe").html() == "")
        {
            jQuery("#hotels-iframe").html("<iframe src=\"http://www.travelstreet.com/hotelsv3/b2c.cfm?customernumber=20020712&localpath=/holidays/travelagents/hotelsv3_LITE/&changedlanguage=DU\" width=\"960\" height=\"600\">You need a Frames Capable browser to view this content.</iframe>");
        }
        
        if(element.href.split("#")[1] == "verzekeringen" && jQuery("#verzekeringen-iframe").html() == "")
        {
            jQuery("#verzekeringen-iframe").html("<iframe src=\"https://eol.europeesche.nl/ebc/initProductLijst.do?rek_courant_nummer=6064\" width=\"960\" height=\"600\">You need a Frames Capable browser to view this content.</iframe>");
        } 
          
        }, 300);   
    Event.stop(event);
    
    //document.getElementById('content').style.height = document.getElementById(element.id.substr(1)).offsetHeight + 'px';
    //document.getElementById('holcar').style.height = document.getElementById(element.id.substr(1)).offsetHeight + 'px'; 
    
  },

	moveTo: function(element, container, options, event){
			
            this.current = $(element);
            
			Position.prepare();
	    var containerOffset = Position.cumulativeOffset(container),
	     elementOffset = Position.cumulativeOffset($(element));
          
		  this.scrolling 	= new Effect.SmoothScroll(container, 
				{duration:options.duration, x:(elementOffset[0]-containerOffset[0]), y:(elementOffset[1]-containerOffset[1])});         
		  return false;
		},
		
  next: function(){
    if (this.current) {
      var currentIndex = this.current._index;
      var nextIndex = (this.sections.length - 1 == currentIndex) ? 0 : currentIndex + 1;      
    } else var nextIndex = 1;
    this.moveTo(this.sections[nextIndex], this.scroller, { 
      duration: this.options.duration
    });
  },
	
  previous: function(){      
    if (this.current) {
      var currentIndex = this.current._index;
      var prevIndex = (currentIndex == 0) ? this.sections.length - 1 : 
       currentIndex - 1;
    } else var prevIndex = this.sections.length - 1;
    
    this.moveTo(this.sections[prevIndex], this.scroller, { 
      duration: this.options.duration
    });
  },

	stop: function()
	{         
		clearTimeout(this.timer);
	},
	
	start: function()
	{                  
		this.periodicallyUpdate();
	},
		
	periodicallyUpdate: function()
	{                 
		if (this.timer != null) {
			clearTimeout(this.timer);
			this.next();
		}
		this.timer = setTimeout(this.periodicallyUpdate.bind(this), this.options.frequency*1000);
	}

});

Effect.SmoothScroll = Class.create();
Object.extend(Object.extend(Effect.SmoothScroll.prototype, Effect.Base.prototype), {
  initialize: function(element) {
    this.element = $(element);
    var options = Object.extend({
      x:    0,
      y:    0,
      mode: 'absolute'
    } , arguments[1] || {}  );
    this.start(options);
  },
  setup: function() {
    if (this.options.continuous && !this.element._ext ) {
      this.element.cleanWhitespace();
      this.element._ext=true;
      this.element.appendChild(this.element.firstChild);
    }
   
    this.originalLeft=this.element.scrollLeft;
    this.originalTop=this.element.scrollTop;
   
    if(this.options.mode == 'absolute') {
      this.options.x -= this.originalLeft;
      this.options.y -= this.originalTop;
    } 
  },
  update: function(position) {   
    this.element.scrollLeft = this.options.x * position + this.originalLeft;
    this.element.scrollTop  = this.options.y * position + this.originalTop;
  }
});