Team:RHIT/responsiveslides.min.js

From 2012.igem.org

Revision as of 00:00, 13 August 2012

/*! ResponsiveSlides.js v1.32

* http://responsiveslides.com
* http://viljamis.com
*
* Copyright (c) 2011-2012 @viljamis
* Available under the MIT license
*/

/*jslint browser: true, sloppy: true, vars: true, plusplus: true, indent: 2 */

(function ($, window, i) {

 $.fn.responsiveSlides = function (options) {

   // Default settings
   var settings = $.extend({
     "auto": true,             // Boolean: Animate automatically, true or false
     "speed": 1000,            // Integer: Speed of the transition, in milliseconds
     "timeout": 4000,          // Integer: Time between slide transitions, in milliseconds
     "pager": false,           // Boolean: Show pager, true or false
     "nav": false,             // Boolean: Show navigation, true or false
     "random": false,          // Boolean: Randomize the order of the slides, true or false
     "pause": false,           // Boolean: Pause on hover, true or false
     "pauseControls": false,   // Boolean: Pause when hovering controls, true or false
     "prevText": "Previous",   // String: Text for the "previous" button
     "nextText": "Next",       // String: Text for the "next" button
     "maxwidth": "",           // Integer: Max-width of the slideshow, in pixels

"namespace": "rslides", // String: change the default namespace used before: function () {}, // Function: Before callback after: function () {} // Function: After callback }, options); return this.each(function () { // Index for namespacing i++; var $this = $(this), // Local variables selectTab, startCycle, restartCycle, rotate, $tabs, // Helpers index = 0, $slide = $this.children(), length = $slide.size(), fadeTime = parseFloat(settings.speed), waitTime = parseFloat(settings.timeout), maxw = parseFloat(settings.maxwidth), // Namespacing namespace = settings.namespace, namespaceIdx = namespace + i, // Classes navClass = namespace + "_nav " + namespaceIdx + "_nav", activeClass = namespace + "_here", visibleClass = namespaceIdx + "_on", slideClassPrefix = namespaceIdx + "_s", // Pager $pager = $("<ul class='" + namespace + "_tabs " + namespaceIdx + "_tabs' />"), // Styles for visible and hidden slides visible = {"float": "left", "position": "relative"}, hidden = {"float": "none", "position": "absolute"}, // Fading animation slideTo = function (idx) { settings.before(); $slide .stop() .fadeOut(fadeTime, function () { $(this) .removeClass(visibleClass) .css(hidden); }) .eq(idx) .fadeIn(fadeTime, function () { $(this) .addClass(visibleClass) .css(visible); settings.after(); index = idx; }); }; // Random order if (settings.random) { $slide.sort(function () { return (Math.round(Math.random()) - 0.5); }); $this .empty() .append($slide); } // Add ID's to each slide $slide.each(function (i) { this.id = slideClassPrefix + i; }); // Add max-width and classes $this.addClass(namespace + " " + namespaceIdx); if (options && options.maxwidth) { $this.css("max-width", maxw); } // Hide all slides, then show first one $slide .hide() .eq(0) .addClass(visibleClass) .css(visible) .show(); // Only run if there's more than one slide if ($slide.size() > 1) { // Make sure the timeout is at least 100ms longer than the fade if (waitTime < fadeTime + 100) { return; } // Pager if (settings.pager) { var tabMarkup = []; $slide.each(function (i) { var n = i + 1; tabMarkup += "
• " + "<a href='#' class='" + slideClassPrefix + n + "'>" + n + "</a>" + "
";

         });
         $pager.append(tabMarkup);

         $tabs = $pager.find("a");

         // Inject pager
         if (options.controls) {
           $(settings.controls).append($pager);
         } else {
           $this.after($pager);
         }

         // Select pager item
         selectTab = function (idx) {
           $tabs
             .closest("li")
             .removeClass(activeClass)
             .eq(idx)
             .addClass(activeClass);
         };
       }

       // Auto cycle
       if (settings.auto) {

         startCycle = function () {
           rotate = setInterval(function () {

             // Clear the event queue
             $slide.stop(true, true);

             var idx = index + 1 < length ? index + 1 : 0;

             // Remove active state and set new if pager is set
             if (settings.pager) {
               selectTab(idx);
             }

             slideTo(idx);
           }, waitTime);
         };

         // Init cycle
         startCycle();
       }

       // Restarting cycle
       restartCycle = function () {
         if (settings.auto) {
           // Stop
           clearInterval(rotate);
           // Restart
           startCycle();
         }
       };

       // Pause on hover
       if (settings.pause) {
         $this.hover(function () {
           clearInterval(rotate);
         }, function () {
           restartCycle();
         });
       }

       // Pager click event handler
       if (settings.pager) {
         $tabs.bind("click", function (e) {
           e.preventDefault();

           if (!settings.pauseControls) {
             restartCycle();
           }

           // Get index of clicked tab
           var idx = $tabs.index(this);

           // Break if element is already active or currently animated
           if (index === idx || $("." + visibleClass + ":animated").length) {
             return;
           }

           // Remove active state from old tab and set new one
           selectTab(idx);

           // Do the animation
           slideTo(idx);
         })
           .eq(0)
           .closest("li")
           .addClass(activeClass);

         // Pause when hovering pager
         if (settings.pauseControls) {
           $tabs.hover(function () {
             clearInterval(rotate);
           }, function () {
             restartCycle();
           });
         }
       }

       // Navigation
       if (settings.nav) {
         var navMarkup =
           "<a href='#' class='" + navClass + " prev'>" + settings.prevText + "</a>" +
           "<a href='#' class='" + navClass + " next'>" + settings.nextText + "</a>";

         // Inject navigation
         if (options.controls) {
           $(settings.controls).append(navMarkup);
         } else {
           $this.after(navMarkup);
         }

         var $trigger = $("." + namespaceIdx + "_nav"),
           $prev = $("." + namespaceIdx + "_nav.prev");

         // Click event handler
         $trigger.bind("click", function (e) {
           e.preventDefault();

           // Prevent clicking if currently animated
           if ($("." + visibleClass + ":animated").length) {
             return;
           }

           //  Adds active class during slide animation
           //  $(this)
           //    .addClass(namespace + "_active")
           //    .delay(fadeTime)
           //    .queue(function (next) {
           //      $(this).removeClass(namespace + "_active");
           //      next();
           //  });

           // Determine where to slide
           var idx = $slide.index($("." + visibleClass)),
             prevIdx = idx - 1,
             nextIdx = idx + 1 < length ? index + 1 : 0;

           // Go to slide
           slideTo($(this)[0] === $prev[0] ? prevIdx : nextIdx);
           if (settings.pager) {
             selectTab($(this)[0] === $prev[0] ? prevIdx : nextIdx);
           }

           if (!settings.pauseControls) {
             restartCycle();
           }
         });

         // Pause when hovering navigation
         if (settings.pauseControls) {
           $trigger.hover(function () {
             clearInterval(rotate);
           }, function () {
             restartCycle();
           });
         }
       }

     }

     // Max-width fallback
     if (typeof document.body.style.maxWidth === "undefined" && options.maxwidth) {
       var widthSupport = function () {
         $this.css("width", "100%");
         if ($this.width() > maxw) {
           $this.css("width", maxw);
         }
       };

       // Init fallback
       widthSupport();
       $(window).bind("resize", function () {
         widthSupport();
       });
     }

   });

 };

})(jQuery, this, 0);