foreground/assets/scripts/foundation/jquery.orbit-1.4.0.js

/*
 * jQuery Orbit Plugin 1.4.0
 * www.ZURB.com/playground
 * Copyright 2010, ZURB
 * Free to use under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
*/


(function($) {
  'use strict';
  $.fn.findFirstImage = function () {
    return this.first()
            .find('img')
            .andSelf().filter('img')
            .first();
  };

  var ORBIT = {

    defaults: {
      animation: 'horizontal-push',     // fade, horizontal-slide, vertical-slide, horizontal-push, vertical-push
      animationSpeed: 600,        // how fast animtions are
      timer: true,            // true or false to have the timer
      advanceSpeed: 4000,         // if timer is enabled, time between transitions
      pauseOnHover: false,        // if you hover pauses the slider
      startClockOnMouseOut: false,    // if clock should start on MouseOut
      startClockOnMouseOutAfter: 1000,  // how long after MouseOut should the timer start again
      directionalNav: true,         // manual advancing directional navs
      directionalNavRightText: 'Right', // text of right directional element for accessibility
      directionalNavLeftText: 'Left', // text of left directional element for accessibility
      captions: true,           // do you want captions?
      captionAnimation: 'fade',       // fade, slideOpen, none
      captionAnimationSpeed: 600,     // if so how quickly should they animate in
      resetTimerOnClick: false,      // true resets the timer instead of pausing slideshow progress on manual navigation
      bullets: false,           // true or false to activate the bullet navigation
      bulletThumbs: false,        // thumbnails for the bullets
      bulletThumbLocation: '',      // location from this file where thumbs will be
      afterSlideChange: $.noop,   // empty function
      afterLoadComplete: $.noop, //callback to execute after everything has been loaded
      fluid: true,
      centerBullets: true    // center bullet nav with js, turn this off if you want to position the bullet nav manually
    },

    activeSlide: 0,
    numberSlides: 0,
    orbitWidth: null,
    orbitHeight: null,
    locked: null,
    timerRunning: null,
    degrees: 0,
    wrapperHTML: '<div class="orbit-wrapper" />',
    timerHTML: '<div class="timer"><span class="mask"><span class="rotator"></span></span><span class="pause"></span></div>',
    captionHTML: '<div class="orbit-caption"></div>',
    directionalNavHTML: '<div class="slider-nav"><span class="right"></span><span class="left"></span></div>',
    bulletHTML: '<ul class="orbit-bullets"></ul>',

    init: function (element, options) {
      var $imageSlides,
          imagesLoadedCount = 0,
          self = this;

      // Bind functions to correct context
      this.clickTimer = $.proxy(this.clickTimer, this);
      this.addBullet = $.proxy(this.addBullet, this);
      this.resetAndUnlock = $.proxy(this.resetAndUnlock, this);
      this.stopClock = $.proxy(this.stopClock, this);
      this.startTimerAfterMouseLeave = $.proxy(this.startTimerAfterMouseLeave, this);
      this.clearClockMouseLeaveTimer = $.proxy(this.clearClockMouseLeaveTimer, this);
      this.rotateTimer = $.proxy(this.rotateTimer, this);

      this.options = $.extend({}, this.defaults, options);
      if (this.options.timer === 'false') this.options.timer = false;
      if (this.options.captions === 'false') this.options.captions = false;
      if (this.options.directionalNav === 'false') this.options.directionalNav = false;

      this.$element = $(element);
      this.$wrapper = this.$element.wrap(this.wrapperHTML).parent();
      this.$slides = this.$element.children('img, a, div');

      this.$element.bind('orbit.next', function () {
        self.shift('next');
      });

      this.$element.bind('orbit.prev', function () {
        self.shift('prev');
      });

      this.$element.bind('orbit.goto', function (event, index) {
        self.shift(index);
      });

      this.$element.bind('orbit.start', function (event, index) {
        self.startClock();
      });

      this.$element.bind('orbit.stop', function (event, index) {
        self.stopClock();
      });

      $imageSlides = this.$slides.filter('img');

      if ($imageSlides.length === 0) {
        this.loaded();
      } else {
        $imageSlides.bind('imageready', function () {
          imagesLoadedCount += 1;
          if (imagesLoadedCount === $imageSlides.length) {
            self.loaded();
          }
        });
      }
    },

    loaded: function () {
      this.$element
        .addClass('orbit')
        .css({width: '1px', height: '1px'});

      this.$slides.addClass('orbit-slide');

      this.setDimentionsFromLargestSlide();
      this.updateOptionsIfOnlyOneSlide();
      this.setupFirstSlide();

      if (this.options.timer) {
        this.setupTimer();
        this.startClock();
      }

      if (this.options.captions) {
        this.setupCaptions();
      }

      if (this.options.directionalNav) {
        this.setupDirectionalNav();
      }

      if (this.options.bullets) {
        this.setupBulletNav();
        this.setActiveBullet();
      }

      this.options.afterLoadComplete.call(this);
    },

    currentSlide: function () {
      return this.$slides.eq(this.activeSlide);
    },

    setDimentionsFromLargestSlide: function () {
      //Collect all slides and set slider size of largest image
      var self = this,
          $fluidPlaceholder;

      self.$element.add(self.$wrapper).width(this.$slides.first().outerWidth());
      self.$element.add(self.$wrapper).height(this.$slides.first().height());
      self.orbitWidth = this.$slides.first().outerWidth();
      self.orbitHeight = this.$slides.first().height();
      $fluidPlaceholder = this.$slides.first().findFirstImage().clone();


      this.$slides.each(function () {
        var slide = $(this),
            slideWidth = slide.outerWidth(),
            slideHeight = slide.height();

        if (slideWidth > self.$element.outerWidth()) {
          self.$element.add(self.$wrapper).width(slideWidth);
          self.orbitWidth = self.$element.outerWidth();
        }
        if (slideHeight > self.$element.height()) {
          self.$element.add(self.$wrapper).height(slideHeight);
          self.orbitHeight = self.$element.height();
          $fluidPlaceholder = $(this).findFirstImage().clone();
        }
        self.numberSlides += 1;
      });

      if (this.options.fluid) {
        if (typeof this.options.fluid === "string") {
          $fluidPlaceholder = $('<img src="http://placehold.it/' + this.options.fluid + '" />')
        }

        self.$element.prepend($fluidPlaceholder);
        $fluidPlaceholder.addClass('fluid-placeholder');
        self.$element.add(self.$wrapper).css({width: 'inherit'});
        self.$element.add(self.$wrapper).css({height: 'inherit'});

        $(window).bind('resize', function () {
          self.orbitWidth = self.$element.outerWidth();
          self.orbitHeight = self.$element.height();
        });
      }
    },

    //Animation locking functions
    lock: function () {
      this.locked = true;
    },

    unlock: function () {
      this.locked = false;
    },

    updateOptionsIfOnlyOneSlide: function () {
      if(this.$slides.length === 1) {
        this.options.directionalNav = false;
        this.options.timer = false;
        this.options.bullets = false;
      }
    },

    setupFirstSlide: function () {
      //Set initial front photo z-index and fades it in
      var self = this;
      this.$slides.first()
        .css({"z-index" : 3})
        .fadeIn(function() {
          //brings in all other slides IF css declares a display: none
          self.$slides.css({"display":"block"})
      });
    },

    startClock: function () {
      var self = this;

      if(!this.options.timer) {
        return false;
      }

      if (this.$timer.is(':hidden')) {
        this.clock = setInterval(function () {
          self.$element.trigger('orbit.next');
        }, this.options.advanceSpeed);
      } else {
        this.timerRunning = true;
        this.$pause.removeClass('active')
        this.clock = setInterval(this.rotateTimer, this.options.advanceSpeed / 180);
      }
    },

    rotateTimer: function (reset) {
      var degreeCSS = "rotate(" + this.degrees + "deg)"
      this.degrees += 2;
      this.$rotator.css({
        "-webkit-transform": degreeCSS,
        "-moz-transform": degreeCSS,
        "-o-transform": degreeCSS
      });
      if(this.degrees > 180) {
        this.$rotator.addClass('move');
        this.$mask.addClass('move');
      }
      if(this.degrees > 360 || reset) {
        this.$rotator.removeClass('move');
        this.$mask.removeClass('move');
        this.degrees = 0;
        this.$element.trigger('orbit.next');
      }
    },

    stopClock: function () {
      if (!this.options.timer) {
        return false;
      } else {
        this.timerRunning = false;
        clearInterval(this.clock);
        this.$pause.addClass('active');
      }
    },

    setupTimer: function () {
      this.$timer = $(this.timerHTML);
      this.$wrapper.append(this.$timer);

      this.$rotator = this.$timer.find('.rotator');
      this.$mask = this.$timer.find('.mask');
      this.$pause = this.$timer.find('.pause');

      this.$timer.click(this.clickTimer);

      if (this.options.startClockOnMouseOut) {
        this.$wrapper.mouseleave(this.startTimerAfterMouseLeave);
        this.$wrapper.mouseenter(this.clearClockMouseLeaveTimer);
      }

      if (this.options.pauseOnHover) {
        this.$wrapper.mouseenter(this.stopClock);
      }
    },

    startTimerAfterMouseLeave: function () {
      var self = this;

      this.outTimer = setTimeout(function() {
        if(!self.timerRunning){
          self.startClock();
        }
      }, this.options.startClockOnMouseOutAfter)
    },

    clearClockMouseLeaveTimer: function () {
      clearTimeout(this.outTimer);
    },

    clickTimer: function () {
      if(!this.timerRunning) {
          this.startClock();
      } else {
          this.stopClock();
      }
    },

    setupCaptions: function () {
      this.$caption = $(this.captionHTML);
      this.$wrapper.append(this.$caption);
      this.setCaption();
    },

    setCaption: function () {
      var captionLocation = this.currentSlide().attr('data-caption'),
          captionHTML;

      if (!this.options.captions) {
        return false;
      }

      //Set HTML for the caption if it exists
      if (captionLocation) {
        //if caption text is blank, don't show captions
        if ($.trim($(captionLocation).text()).length < 1){
          return false;
        }
        captionHTML = $(captionLocation).html(); //get HTML from the matching HTML entity
        this.$caption
          .attr('id', captionLocation) // Add ID caption TODO why is the id being set?
          .html(captionHTML); // Change HTML in Caption
          //Animations for Caption entrances
        switch (this.options.captionAnimation) {
          case 'none':
            this.$caption.show();
            break;
          case 'fade':
            this.$caption.fadeIn(this.options.captionAnimationSpeed);
            break;
          case 'slideOpen':
            this.$caption.slideDown(this.options.captionAnimationSpeed);
            break;
        }
      } else {
        //Animations for Caption exits
        switch (this.options.captionAnimation) {
          case 'none':
            this.$caption.hide();
            break;
          case 'fade':
            this.$caption.fadeOut(this.options.captionAnimationSpeed);
            break;
          case 'slideOpen':
            this.$caption.slideUp(this.options.captionAnimationSpeed);
            break;
        }
      }
    },

    setupDirectionalNav: function () {
      var self = this,
          $directionalNav = $(this.directionalNavHTML);

      $directionalNav.find('.right').html(this.options.directionalNavRightText);
      $directionalNav.find('.left').html(this.options.directionalNavLeftText);

      this.$wrapper.append($directionalNav);

      this.$wrapper.find('.left').click(function () {
        self.stopClock();
        if (self.options.resetTimerOnClick) {
          self.rotateTimer(true);
          self.startClock();
        }
        self.$element.trigger('orbit.prev');
      });

      this.$wrapper.find('.right').click(function () {
        self.stopClock();
        if (self.options.resetTimerOnClick) {
          self.rotateTimer(true);
          self.startClock();
        }
        self.$element.trigger('orbit.next');
      });
    },

    setupBulletNav: function () {
      this.$bullets = $(this.bulletHTML);
      this.$wrapper.append(this.$bullets);
      this.$slides.each(this.addBullet);
      this.$element.addClass('with-bullets');
      if (this.options.centerBullets) this.$bullets.css('margin-left', -this.$bullets.outerWidth() / 2);
    },

    addBullet: function (index, slide) {
      var position = index + 1,
          $li = $('<li>' + (position) + '</li>'),
          thumbName,
          self = this;

      if (this.options.bulletThumbs) {
        thumbName = $(slide).attr('data-thumb');
        if (thumbName) {
          $li
            .addClass('has-thumb')
            .css({background: "url(" + this.options.bulletThumbLocation + thumbName + ") no-repeat"});;
        }
      }
      this.$bullets.append($li);
      $li.data('index', index);
      $li.click(function () {
        self.stopClock();
        if (self.options.resetTimerOnClick) {
          self.rotateTimer(true);
          self.startClock();
        }
        self.$element.trigger('orbit.goto', [$li.data('index')])
      });
    },

    setActiveBullet: function () {
      if(!this.options.bullets) { return false; } else {
        this.$bullets.find('li')
          .removeClass('active')
          .eq(this.activeSlide)
          .addClass('active');
      }
    },

    resetAndUnlock: function () {
      this.$slides
        .eq(this.prevActiveSlide)
        .css({"z-index" : 1});
      this.unlock();
      this.options.afterSlideChange.call(this, this.$slides.eq(this.prevActiveSlide), this.$slides.eq(this.activeSlide));
    },

    shift: function (direction) {
      var slideDirection = direction;

      //remember previous activeSlide
      this.prevActiveSlide = this.activeSlide;

      //exit function if bullet clicked is same as the current image
      if (this.prevActiveSlide == slideDirection) { return false; }

      if (this.$slides.length == "1") { return false; }
      if (!this.locked) {
        this.lock();
        //deduce the proper activeImage
        if (direction == "next") {
          this.activeSlide++;
          if (this.activeSlide == this.numberSlides) {
              this.activeSlide = 0;
          }
        } else if (direction == "prev") {
          this.activeSlide--
          if (this.activeSlide < 0) {
            this.activeSlide = this.numberSlides - 1;
          }
        } else {
          this.activeSlide = direction;
          if (this.prevActiveSlide < this.activeSlide) {
            slideDirection = "next";
          } else if (this.prevActiveSlide > this.activeSlide) {
            slideDirection = "prev"
          }
        }

        //set to correct bullet
        this.setActiveBullet();

        //set previous slide z-index to one below what new activeSlide will be
        this.$slides
          .eq(this.prevActiveSlide)
          .css({"z-index" : 2});

        //fade
        if (this.options.animation == "fade") {
          this.$slides
            .eq(this.activeSlide)
            .css({"opacity" : 0, "z-index" : 3})
            .animate({"opacity" : 1}, this.options.animationSpeed, this.resetAndUnlock);
        }

        //horizontal-slide
        if (this.options.animation == "horizontal-slide") {
          if (slideDirection == "next") {
            this.$slides
              .eq(this.activeSlide)
              .css({"left": this.orbitWidth, "z-index" : 3})
              .animate({"left" : 0}, this.options.animationSpeed, this.resetAndUnlock);
          }
          if (slideDirection == "prev") {
            this.$slides
              .eq(this.activeSlide)
              .css({"left": -this.orbitWidth, "z-index" : 3})
              .animate({"left" : 0}, this.options.animationSpeed, this.resetAndUnlock);
          }
        }

        //vertical-slide
        if (this.options.animation == "vertical-slide") {
          if (slideDirection == "prev") {
            this.$slides
              .eq(this.activeSlide)
              .css({"top": this.orbitHeight, "z-index" : 3})
              .animate({"top" : 0}, this.options.animationSpeed, this.resetAndUnlock);
          }
          if (slideDirection == "next") {
            this.$slides
              .eq(this.activeSlide)
              .css({"top": -this.orbitHeight, "z-index" : 3})
              .animate({"top" : 0}, this.options.animationSpeed, this.resetAndUnlock);
          }
        }

        //horizontal-push
        if (this.options.animation == "horizontal-push") {
          if (slideDirection == "next") {
            this.$slides
              .eq(this.activeSlide)
              .css({"left": this.orbitWidth, "z-index" : 3})
              .animate({"left" : 0}, this.options.animationSpeed, this.resetAndUnlock);
            this.$slides
              .eq(this.prevActiveSlide)
              .animate({"left" : -this.orbitWidth}, this.options.animationSpeed);
          }
          if (slideDirection == "prev") {
            this.$slides
              .eq(this.activeSlide)
              .css({"left": -this.orbitWidth, "z-index" : 3})
              .animate({"left" : 0}, this.options.animationSpeed, this.resetAndUnlock);
            this.$slides
              .eq(this.prevActiveSlide)
              .animate({"left" : this.orbitWidth}, this.options.animationSpeed);
          }
        }

        //vertical-push
        if (this.options.animation == "vertical-push") {
          if (slideDirection == "next") {
            this.$slides
              .eq(this.activeSlide)
              .css({top: -this.orbitHeight, "z-index" : 3})
              .animate({top : 0}, this.options.animationSpeed, this.resetAndUnlock);
            this.$slides
              .eq(this.prevActiveSlide)
              .animate({top : this.orbitHeight}, this.options.animationSpeed);
          }
          if (slideDirection == "prev") {
            this.$slides
              .eq(this.activeSlide)
              .css({top: this.orbitHeight, "z-index" : 3})
              .animate({top : 0}, this.options.animationSpeed, this.resetAndUnlock);
            this.$slides
              .eq(this.prevActiveSlide)
              .animate({top : -this.orbitHeight}, this.options.animationSpeed);
          }
        }

        this.setCaption();
      }
    }
  };

  $.fn.orbit = function (options) {
    return this.each(function () {
      var orbit = $.extend({}, ORBIT);
      orbit.init(this, options);
    });
  };

})(jQuery);

/*!
 * jQuery imageready Plugin
 * http://www.zurb.com/playground/
 *
 * Copyright 2011, ZURB
 * Released under the MIT License
 */
(function ($) {

  var options = {};

  $.event.special.imageready = {

    setup: function (data, namespaces, eventHandle) {
      options = data || options;
    },

    add: function (handleObj) {
      var $this = $(this),
          src;

      if ( this.nodeType === 1 && this.tagName.toLowerCase() === 'img' && this.src !== '' ) {
        if (options.forceLoad) {
          src = $this.attr('src');
          $this.attr('src', '');
          bindToLoad(this, handleObj.handler);
          $this.attr('src', src);
        } else if ( this.complete || this.readyState === 4 ) {
          handleObj.handler.apply(this, arguments);
        } else {
          bindToLoad(this, handleObj.handler);
        }
      }
    },

    teardown: function (namespaces) {
      $(this).unbind('.imageready');
    }
  };

  function bindToLoad(element, callback) {
    var $this = $(element);

    $this.bind('load.imageready', function () {
       callback.apply(element, arguments);
       $this.unbind('load.imageready');
     });
  }

}(jQuery));