Subversion Repositories SmartDukaan

/* noUiSlider 3.2.1 */
(function ($) {

  $.fn.noUiSlider = function (options, flag) {

    // test for mouse, pointer or touch
    var EVENT = window.navigator.msPointerEnabled ? 2 : 'ontouchend' in document ? 3 : 1;
    if (window.debug && console) {
      console.log(EVENT);
    }

    // shorthand for test=function, calling
    function call(f, scope, args) {
      if (typeof f === "function") {
        f.call(scope, args);
      }
    }

    // function wrapper for calculating to and from range values
    var percentage = {
      to : function (range, value) {
        value = range[0] < 0 ? value + Math.abs(range[0]) : value - range[0];
        return (value * 100) / this._length(range);
      },
      from : function (range, value) {
        return (value * 100) / this._length(range);
      },
      is : function (range, value) {
        return ((value * this._length(range)) / 100) + range[0];
      },
      _length : function (range) {
        return (range[0] > range[1] ? range[0] - range[1] : range[1] - range[0]);
      }
    }

    // bounce handles of eachother, the edges of the slider
    function correct(proposal, slider, handle) {

      var
      setup = slider.data('setup'),
      handles = setup.handles,
      settings = setup.settings,
      pos = setup.pos;

      proposal = proposal < 0 ? 0 : proposal > 100 ? 100 : proposal;

      if (settings.handles == 2) {
        if (handle.is(':first-child')) {
          var other = parseFloat(handles[1][0].style[pos]) - settings.margin;
          proposal = proposal > other ? other : proposal;
        } else {
          var other = parseFloat(handles[0][0].style[pos]) + settings.margin;
          proposal = proposal < other ? other : proposal;
        }
      }

      if (settings.step) {
        var per = percentage.from(settings.range, settings.step);
        proposal = Math.round(proposal / per) * per;
      }

      return proposal;

    }

    // get standarised clientX and clientY
    function client(f) {
      try {
        return [(f.clientX || f.originalEvent.clientX || f.originalEvent.touches[0].clientX), (f.clientY || f.originalEvent.clientY || f.originalEvent.touches[0].clientY)];
      } catch (e) {
        return ['x', 'y'];
      }
    }

    // get native inline style value in %
    function place(handle, pos) {
      return parseFloat(handle[0].style[pos]);
    }

    // simplified defaults
    var defaults = {
      handles : 2,
      serialization : {
        to : ['', ''],
        resolution : 0.01
      }
    };

    // contains all methods
    methods = {
      create : function () {

        return this.each(function () {

          // set handle to position
          function setHandle(handle, to, slider) {
            handle.css(pos, to + '%').data('input').val(percentage.is(settings.range, to).toFixed(res));
          }

          var
          settings = $.extend(defaults, options),
          // handles
          handlehtml = '<a><div></div></a>',
          // save this to variable, // allows identification
          slider = $(this).data('_isnS_', true),
          // array of handles
          handles = [],
          // the way the handles are positioned for this slider, top/left
          pos,
          // for quick orientation testing and array matching
          orientation,
          // append classes
          classes = "",
          // tests numerical
          num = function (e) {
            return !isNaN(parseFloat(e)) && isFinite(e);
          },
          // counts decimals in serialization, sets default
          split = (settings.serialization.resolution = settings.serialization.resolution || 0.01).toString().split('.'),
          res = split[0] == 1 ? 0 : split[1].length;

          settings.start = num(settings.start) ? [settings.start, 0] : settings.start;

          // logs bad input values, if possible
          $.each(settings, function (a, b) {

            if (num(b)) {
              settings[a] = parseFloat(b);
            } else if (typeof b == "object" && num(b[0])) {
              b[0] = parseFloat(b[0]);
              if (num(b[1])) {
                b[1] = parseFloat(b[1]);
              }
            }

            var e = false;
            b = typeof b == "undefined" ? "x" : b;

            switch (a) {
            case 'range':
            case 'start':
              e = b.length != 2 || !num(b[0]) || !num(b[1]);
              break;
            case 'handles':
              e = (b < 1 || b > 2 || !num(b));
              break;
            case 'connect':
              e = b != "lower" && b != "upper" && typeof b != "boolean";
              break;
            case 'orientation':
              e = (b != "vertical" && b != "horizontal");
              break;
            case 'margin':
            case 'step':
              e = typeof b != "undefined" && !num(b);
              break;
            case 'serialization':
              e = typeof b != "object" || !num(b.resolution) || (typeof b.to == 'object' && b.to.length < settings.handles);
              break;
            case 'slide':
              e = typeof b != "function";
              break;
            }

            if (e && console) {
              console.error('Bad input for ' + a + ' on slider:', slider);
            }

          });

          settings.margin = settings.margin ? percentage.from(settings.range, settings.margin) : 0;

          // tests serialization to be strings or jQuery objects
          if (settings.serialization.to instanceof jQuery || typeof settings.serialization.to == 'string' || settings.serialization.to === false) {
            settings.serialization.to = [settings.serialization.to];
          }

          if (settings.orientation == "vertical") {
            classes += "vertical";
            pos = 'top';
            orientation = 1;
          } else {
            classes += "horizontal";
            pos = 'left';
            orientation = 0;
          }

          classes += settings.connect ? settings.connect == "lower" ? " connect lower" : " connect" : "";

          slider.addClass(classes);

          for (var i = 0; i < settings.handles; i++) {

            handles[i] = slider.append(handlehtml).children(':last');
            var setTo = percentage.to(settings.range, settings.start[i]);
            handles[i].css(pos, setTo + '%');
            if (setTo == 100 && handles[i].is(':first-child')) {
              handles[i].css('z-index', 2);
            }

            var bind = '.noUiSlider',
            onEvent = (EVENT === 1 ? 'mousedown' : EVENT === 2 ? 'MSPointerDown' : 'touchstart') + bind + 'X',
            moveEvent = (EVENT === 1 ? 'mousemove' : EVENT === 2 ? 'MSPointerMove' : 'touchmove') + bind,
            offEvent = (EVENT === 1 ? 'mouseup' : EVENT === 2 ? 'MSPointerUp' : 'touchend') + bind

            handles[i].find('div').on(onEvent, function (e) {

              $('body').bind('selectstart' + bind, function () {
                return false;
              });

              if (!slider.hasClass('disabled')) {

                $('body').addClass('TOUCH');

                var handle = $(this).addClass('active').parent(),
                unbind = handle.add($(document)).add('body'),
                originalPosition = parseFloat(handle[0].style[pos]),
                originalClick = client(e),
                previousClick = originalClick,
                previousProposal = false;

                $(document).on(moveEvent, function (f) {

                  f.preventDefault();

                  var currentClick = client(f);

                  if (currentClick[0] == "x") {
                    return;
                  }

                  currentClick[0] -= originalClick[0];
                  currentClick[1] -= originalClick[1];

                  var movement = [
                    previousClick[0] != currentClick[0], previousClick[1] != currentClick[1]
                  ],
                  proposal = originalPosition + ((currentClick[orientation] * 100) / (orientation ? slider.height() : slider.width()));
                  proposal = correct(proposal, slider, handle);

                  if (movement[orientation] && proposal != previousProposal) {
                    handle.css(pos, proposal + '%').data('input').val(percentage.is(settings.range, proposal).toFixed(res));
                    call(settings.slide, slider.data('_n', true));
                    previousProposal = proposal;
                    handle.css('z-index', handles.length == 2 && proposal == 100 && handle.is(':first-child') ? 2 : 1);
                  }

                  previousClick = currentClick;

                }).on(offEvent, function () {

                  unbind.off(bind);
                  $('body').removeClass('TOUCH');
                  if (slider.find('.active').removeClass('active').end().data('_n')) {
                    slider.data('_n', false).change();
                  }
                  // AKRANT
                  // REMOVE NEXT LINE TO RESTORE TO ORIGINAL
                  call(settings.slideEnd, slider.data('_n', true));
                });

              }
            }).on('click', function (e) {
              e.stopPropagation();
            });

          }

          if (EVENT == 1) {
            slider.on('click', function (f) {
              if (!slider.hasClass('disabled')) {
                var currentClick = client(f),
                proposal = ((currentClick[orientation] - slider.offset()[pos]) * 100) / (orientation ? slider.height() : slider.width()),
                handle = handles.length > 1 ? (currentClick[orientation] < (handles[0].offset()[pos] + handles[1].offset()[pos]) / 2 ? handles[0] : handles[1]) : handles[0];
                setHandle(handle, correct(proposal, slider, handle), slider);
                call(settings.slide, slider);
                slider.change();
              }
            });
          }

          for (var i = 0; i < handles.length; i++) {
            var val = percentage.is(settings.range, place(handles[i], pos)).toFixed(res);
            if (typeof settings.serialization.to[i] == 'string') {
              handles[i].data('input',
                slider.append('<input type="hidden" name="' + settings.serialization.to[i] + '">').find('input:last')
                .val(val)
                .change(function (a) {
                  a.stopPropagation();
                }));
            } else if (settings.serialization.to[i] == false) {
              handles[i].data('input', {
                val : function (a) {
                  if (typeof a != 'undefined') {
                    this.handle.data('noUiVal', a);
                  } else {
                    return this.handle.data('noUiVal');
                  }
                },
                handle : handles[i]
              });
            } else {
              handles[i].data('input', settings.serialization.to[i].data('handleNR', i).val(val).change(function () {
                  var arr = [null, null];
                  arr[$(this).data('handleNR')] = $(this).val();
                  slider.val(arr);
                }));
            }
          }

          $(this).data('setup', {
            settings : settings,
            handles : handles,
            pos : pos,
            res : res
          });

        });
      },
      val : function () {

        if (typeof arguments[0] !== 'undefined') {

          var val = typeof arguments[0] == 'number' ? [arguments[0]] : arguments[0];

          return this.each(function () {

            var setup = $(this).data('setup');

            for (var i = 0; i < setup.handles.length; i++) {
              if (val[i] != null) {
                var proposal = correct(percentage.to(setup.settings.range, val[i]), $(this), setup.handles[i]);
                setup.handles[i].css(setup.pos, proposal + '%').data('input').val(percentage.is(setup.settings.range, proposal).toFixed(setup.res));
              }
            }
          });

        } else {

          var handles = $(this).data('setup').handles,
          re = [];
          for (var i = 0; i < handles.length; i++) {
            re.push(parseFloat(handles[i].data('input').val()));
          }
          return re.length == 1 ? re[0] : re;

        }
      },
      disabled : function () {
        return flag ? $(this).addClass('disabled') : $(this).removeClass('disabled');
      }
    }

    // remap the native/current val function to noUiSlider
    var $_val = jQuery.fn.val;

    jQuery.fn.val = function () {
      return this.data('_isnS_') ? methods.val.apply(this, arguments) : $_val.apply(this, arguments);
    }

    return options == "disabled" ? methods.disabled.apply(this) : methods.create.apply(this);

  }

})(jQuery);