ResponsiveSlides.js/responsiveslides.js

/*! ResponsiveSlides.js v1.01. (c) 2011 Viljami Salminen. MIT License. http://responsive-slides.viljamis.com  */
(function ($) {
  $.fn.responsiveSlides = function (options) {
    // Settings
    var settings = {
      'speed' : 4000,
      'fade' : 1000,
      'auto' : true,
      'maxwidth' : 'none',
      'namespace' : 'responsiveSlides'
    };

    return this.each(function () {
      var $this = $(this);
      if (options) {
        $.extend(settings, options);
      }

      var slideshow = function () {
        var $slide = $this.find('img'),

		  // just for minification:
		  namespace = settings.namespace,
		  tabsClass = namespace + '_tabs',
		  visibleClass = namespace + '_visible',
		  activeClass = namespace + '_active',
		  slideClassPrefix = namespace + '_slide',
		  maxwidth = parseFloat(settings.maxwidth),
		  fade = parseFloat(settings.fade),
		  
          $pagination = $('<ul class="' + tabsClass + '"/>'),
          visible = {
            'position': 'relative',
            'float': 'left'
          },
          hidden = {
            'position': 'absolute',
            'float': 'none'
          };

        // Don't run if there's only one slide
        if ($this.find($slide).length <= 1) {
          return;
        }

        $slide.each(function (i) {
		  this.id = slideClassPrefix + i;
        });

        $slide.css({
          'top': 0,
          'left': 0,
          'width': '100%',
          'height': 'inherit',
          'position': 'absolute'
        });

        $this.find(':first-child').addClass(visibleClass).css(visible);

        $this.css({
          'max-width': maxwidth,
          'width': '100%',
          'overflow': 'hidden',
          'position': 'relative'
        });

        $this.find($slide + ':gt(0)').hide();

        // Auto: true
        if (settings.auto) {
          setInterval(function () {
            $this.find(':first-child').fadeOut(fade, function () {
              $(this).css(hidden);
            }).next($slide).fadeIn(fade, function () {
              $(this).css(visible);
            }).addClass(visibleClass).end().appendTo($this).removeClass(visibleClass);
          }, parseFloat(settings.speed));

        // Auto: false
        } else {
          $slide.each(function (i) {
            var whichSlide = i + 1,
            tabMarkup =
              '<li>' +
              '<a href="#' + slideClassPrefix + whichSlide + '"' +
              'class="' + slideClassPrefix + whichSlide + '">' + whichSlide + '</a>' +
              '</li>'
            ;
            $pagination.append(tabMarkup);
          });
          $this.after($pagination);

          $('.' + slideClassPrefix + '1').parent().addClass(activeClass);
          $('.' + tabsClass + ' a').each(function (i) {
            var $el = $(this);

            $el.click(function (e) {
              e.preventDefault();

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

              if (!($el.parent().hasClass(activeClass))) {
                $('.' + tabsClass + ' li').removeClass(activeClass);

                $('.' + visibleClass).stop()
                  .fadeOut(fade, function () {
                    $(this).removeClass(visibleClass).css(hidden);
                  }).end();

                $('#' + slideClassPrefix + i).stop()
                  .fadeIn(fade, function () {
                    $(this).addClass(visibleClass).css(visible);
                  }).end();

                $el.parent().addClass(activeClass);
              }
            });
          });
        }
      };

      // Fallback to make IE6 support CSS max-width
      var widthSupport = function () {
        if (options.maxwidth) {
          if (typeof document.body.style.maxHeight === 'undefined' || typeof document.body.style.minHeight === 'undefined') {
            $this.each(function () {
              $this.css('width', '100%');
              if ($this.width() > maxwidth) {
                $this.css('width', maxwidth);
              } else if ($this.width() < maxwidth) {
                $this.css('width', '100%');
              }
            });
          }
        }
      };

      // Call once
      slideshow();
      widthSupport();
      // Call on resize
      $(window).resize(function () {
        widthSupport();
      });
    });
  };
})(jQuery);