/* Copyright (c) 2010 WordImpressed.com jFlow Plus derived from Kean Loong Tan's orgininal jFlow http://www.wordimpressed.com

 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)

 * jFlow 1.2 (Plus)

 * Version: jFlow Plus

 * Requires: jQuery 1.2+

 */

var myIdPlayer = '';
var is_video_slide = false ;

(function($) {

	$.fn.jFlow = function(options) {

		var opts = $.extend({}, $.fn.jFlow.defaults, options);

		var randNum = Math.floor(Math.random()*11);

		var jFC = opts.controller;

		var jFS =  opts.slideWrapper;

		var jSel = opts.selectedWrapper;
		
		var cur = 0;

		var timer;

		var maxi = $(jFC).length;

		// sliding function

		var slide = function (dur, i) {
        
			$(opts.slides).children().css({

				overflow:"hidden"

			});

			$(opts.slides + " iframe").hide().addClass("temp_hide");

			$(opts.slides).animate({

				marginLeft: "-" + (i * $(opts.slides).find(":first-child").width() + "px")

				},

				opts.duration*(dur),

				opts.easing,

				function(){
				
					if (myIdPlayer != ''){

				    	$f(myIdPlayer).stop();
              $f(myIdPlayer).unload();
              myIdPlayer = '' ;
					}
					
				  
					if (document.getElementById('slide' +  (i+1) )){
					 //alert ( 'slide' +  (i+1) )
						var mychild = (document.getElementById('slide' +  (i+1))).getElementsByTagName('*');
						total_children = mychild.length  ;
				    is_video_slide = false ;
				    for ( j = 0 ; j < total_children && !is_video_slide ; j++ )
				    {
                if ( mychild[j].id.indexOf ( 'theMediaPlayer' ) > -1  ) { 
                is_video_slide = true ;
                myIdPlayer = mychild[j].id ;                
              }
            }
					}

					if ( !is_video_slide )
          {
						if (myIdPlayer != ''){

            	$f(myIdPlayer).stop();						
					    $f(myIdPlayer).unload();
					    myIdPlayer = '' ;
						}
					} 
					$(opts.slides).children().css({
						overflow:"hidden"
					});
					$(".temp_hide").show();
				}
			);	
		}

		$(this).find(jFC).each(function(i){

			$(this).click(function(){        				
				if ($(opts.slides).is(":not(:animated)")) {
					$(jFC).removeClass(jSel);
					$(this).addClass(jSel);
					var dur = Math.abs(cur-i);
					slide(dur,i);
					cur = i;
				}
				//dotimer () ;
			});
		});	

		

		$(opts.slides).before('<div id="'+jFS.substring(1, jFS.length)+'"></div>').appendTo(jFS);

		

		$(opts.slides).find("div").each(function(){

			$(this).before('<div class="jFlowSlideContainer"></div>').appendTo($(this).prev());

		});

		

		//initialize the controller

		$(jFC).eq(cur).addClass(jSel);

		

		var resize = function (x){

			$(jFS).css({

				position:"relative",

				width: opts.width,

				height: opts.height,

				overflow: "hidden"

			});

			//opts.slides or #mySlides container

			$(opts.slides).css({

				position:"relative",

				width: $(jFS).width()*$(jFC).length+"px",

				height: $(jFS).height()+"px",

				overflow: "hidden"

			});

			// jFlowSlideContainer

			$(opts.slides).children().css({

				position:"relative",

				width: $(jFS).width()+"px",

				height: $(jFS).height()+"px",

				"float":"left",

				overflow:"hidden"

			});



			$(opts.slides).css({

				marginLeft: "-" + (cur * $(opts.slides).find(":eq(0)").width() + "px")

			});

		}

		// sets initial size

		resize();

		// resets size

		$(window).resize(function(){

			resize();						  

		});

		

		$(opts.prev).click(function(){
			dotimer();
			doprev();
		});

		

		$(opts.next).click(function(){      		
      dotimer();
      donext();
		});

		

		var doprev = function (x){

			if ($(opts.slides).is(":not(:animated)")) {

				var dur = 1;

				if (cur > 0)

					cur--;

				else {

					cur = maxi -1;

					dur = cur;

				}

				$(jFC).removeClass(jSel);

				slide(dur,cur);

				$(jFC).eq(cur).addClass(jSel);

			}

		}

		

		var donext = function (x){

			if ($(opts.slides).is(":not(:animated)")) {

				var dur = 1;

				if (cur < maxi - 1)

					cur++;

				else {

					cur = 0;

					dur = maxi -1;

				}

				$(jFC).removeClass(jSel);

				//$(jFS).fadeOut("fast");

				slide(dur, cur);

				//$(jFS).fadeIn("fast");

				$(jFC).eq(cur).addClass(jSel);

			}

		}

		

		var dotimer = function (x){
			if((opts.auto) == true) {
			if ( myIdPlayer != '' && is_video_slide ) {
			 //alert ( $f(myIdPlayer).getState() );
        if ( $f(myIdPlayer).getState() == 3 || 
             $f(myIdPlayer).getState() == 2 ||
             $f(myIdPlayer).getState() == 4  ) { // player is playing, buffering or paused
          if(timer != null) clearInterval ( timer );
          return true ;
        }
      } 
			if(timer != null)	clearInterval(timer);
   		timer = setInterval(function() {
       donext();
       //$(opts.next).click();
			}, (opts.duration)*10);
			}
		}


//Pause/Resume function fires at hover
    
		dotimer();
		
			$(opts.slides).hover( function() {
			   clearInterval(timer);
		    }, function() {
			   dotimer();
        }
      );
		  
			
      };

	
	$.fn.jFlow.defaults = {

		controller: "#myController", // must be class, use . sign

		slideWrapper : "#mySlides", // must be id, use # sign

		selectedWrapper: "jFlowSelected",  // just pure text, no sign

		auto: true,

		easing: "swing",

		duration: 50,

		width: "100%",

		prev: ".jFlowPrev", // must be class, use . sign

		next: ".jFlowNext" // must be class, use . sign

	};


})(jQuery);