vaeThink2/public/static/admin_static/module/nprogress.js

;/* NProgress, (c) 2013, 2014 Rico Sta. Cruz - http://ricostacruz.com/nprogress
 * @license MIT */
layui.define('layer', function(exports) {
    var layer = layui.layer;
    (function(root, factory) {

      if (typeof define === 'function' && define.amd) {
        define(factory);
      } else if (typeof exports === 'object') {
        module.exports = factory();
      } else {
        root.NProgress = factory();
      }

    })(this, function() {
      var NProgress = {};
      var theme = layui.data('vaeAdmin_theme').color || ['#009688','#ffffff'];

      NProgress.version = '0.2.0';

      var Settings = NProgress.settings = {
        minimum: 0.08,
        easing: 'linear',
        positionUsing: '',
        speed: 300,
        trickle: true,
        trickleSpeed: 300,
        showSpinner: true,
        barSelector: '[role="bar"]',
        spinnerSelector: '[role="spinner"]',
        parent: 'body',
        template: '<div class="bar" role="bar" style="background:'+theme[0]+'!important"><div class="peg"></div></div><div class="spinner" role="spinner"><div class="spinner-icon" style="border-top-color:'+theme[0]+';border-left-color:'+theme[0]+'"></div></div>'
      };

      /**
       * Updates configuration.
       *
       *     NProgress.configure({
       *       minimum: 0.1
       *     });
       */
      NProgress.configure = function(options) {
        var key, value;
        for (key in options) {
          value = options[key];
          if (value !== undefined && options.hasOwnProperty(key)) Settings[key] = value;
        }

        return this;
      };

      /**
       * Last number.
       */

      NProgress.status = null;

      /**
       * Sets the progress bar status, where `n` is a number from `0.0` to `1.0`.
       *
       *     NProgress.set(0.4);
       *     NProgress.set(1.0);
       */

      NProgress.set = function(n) {
        var started = NProgress.isStarted();

        n = clamp(n, Settings.minimum, 1);
        NProgress.status = (n === 1 ? null : n);

        var progress = NProgress.render(!started),
            bar      = progress.querySelector(Settings.barSelector),
            speed    = Settings.speed,
            ease     = Settings.easing;

        progress.offsetWidth; /* Repaint */

        queue(function(next) {
          // Set positionUsing if it hasn't already been set
          if (Settings.positionUsing === '') Settings.positionUsing = NProgress.getPositioningCSS();

          // Add transition
          css(bar, barPositionCSS(n, speed, ease));

          if (n === 1) {
            // Fade out
            css(progress, {
              transition: 'none',
              opacity: 1
            });
            progress.offsetWidth; /* Repaint */

            setTimeout(function() {
              css(progress, {
                transition: 'all ' + speed + 'ms linear',
                opacity: 0
              });
              setTimeout(function() {
                NProgress.remove();
                next();
              }, speed);
            }, speed);
          } else {
            setTimeout(next, speed);
          }
        });

        return this;
      };

      NProgress.isStarted = function() {
        return typeof NProgress.status === 'number';
      };

      /**
       * Shows the progress bar.
       * This is the same as setting the status to 0%, except that it doesn't go backwards.
       *
       *     NProgress.start();
       *
       */
      NProgress.start = function() {
        if (!NProgress.status) NProgress.set(0);

        var work = function() {
          setTimeout(function() {
            if (!NProgress.status) return;
            NProgress.trickle();
            work();
          }, Settings.trickleSpeed);
        };

        if (Settings.trickle) work();

        return this;
      };

      /**
       * Hides the progress bar.
       * This is the *sort of* the same as setting the status to 100%, with the
       * difference being `done()` makes some placebo effect of some realistic motion.
       *
       *     NProgress.done();
       *
       * If `true` is passed, it will show the progress bar even if its hidden.
       *
       *     NProgress.done(true);
       */

      NProgress.done = function(force) {
        if (!force && !NProgress.status) return this;

        return NProgress.inc(0.3 + 0.5 * Math.random()).set(1);
      };

      /**
       * Increments by a random amount.
       */

      NProgress.inc = function(amount) {
        var n = NProgress.status;

        if (!n) {
          return NProgress.start();
        } else if(n > 1) {
          return;
        } else {
          if (typeof amount !== 'number') {
            if (n >= 0 && n < 0.2) { amount = 0.1; }
            else if (n >= 0.2 && n < 0.5) { amount = 0.04; }
            else if (n >= 0.5 && n < 0.8) { amount = 0.02; }
            else if (n >= 0.8 && n < 0.99) { amount = 0.005; }
            else { amount = 0; }
          }

          n = clamp(n + amount, 0, 0.994);
          return NProgress.set(n);
        }
      };

      NProgress.trickle = function() {
        return NProgress.inc();
      };

      /**
       * Waits for all supplied jQuery promises and
       * increases the progress as the promises resolve.
       *
       * @param $promise jQUery Promise
       */
      (function() {
        var initial = 0, current = 0;

        NProgress.promise = function($promise) {
          if (!$promise || $promise.state() === "resolved") {
            return this;
          }

          if (current === 0) {
            NProgress.start();
          }

          initial++;
          current++;

          $promise.always(function() {
            current--;
            if (current === 0) {
                initial = 0;
                NProgress.done();
            } else {
                NProgress.set((initial - current) / initial);
            }
          });

          return this;
        };

      })();

      /**
       * (Internal) renders the progress bar markup based on the `template`
       * setting.
       */

      NProgress.render = function(fromStart) {
        if (NProgress.isRendered()) return document.getElementById('nprogress');

        addClass(document.documentElement, 'nprogress-busy');

        var progress = document.createElement('div');
        progress.id = 'nprogress';
        progress.innerHTML = Settings.template;

        var bar      = progress.querySelector(Settings.barSelector),
            perc     = fromStart ? '-100' : toBarPerc(NProgress.status || 0),
            parent   = document.querySelector(Settings.parent),
            spinner;

        css(bar, {
          transition: 'all 0 linear',
          transform: 'translate3d(' + perc + '%,0,0)'
        });

        if (!Settings.showSpinner) {
          spinner = progress.querySelector(Settings.spinnerSelector);
          spinner && removeElement(spinner);
        }

        if (parent != document.body) {
          addClass(parent, 'nprogress-custom-parent');
        }

        parent.appendChild(progress);
        return progress;
      };

      /**
       * Removes the element. Opposite of render().
       */

      NProgress.remove = function() {
        removeClass(document.documentElement, 'nprogress-busy');
        removeClass(document.querySelector(Settings.parent), 'nprogress-custom-parent');
        var progress = document.getElementById('nprogress');
        progress && removeElement(progress);
      };

      /**
       * Checks if the progress bar is rendered.
       */

      NProgress.isRendered = function() {
        return !!document.getElementById('nprogress');
      };

      /**
       * Determine which positioning CSS rule to use.
       */

      NProgress.getPositioningCSS = function() {
        // Sniff on document.body.style
        var bodyStyle = document.body.style;

        // Sniff prefixes
        var vendorPrefix = ('WebkitTransform' in bodyStyle) ? 'Webkit' :
                           ('MozTransform' in bodyStyle) ? 'Moz' :
                           ('msTransform' in bodyStyle) ? 'ms' :
                           ('OTransform' in bodyStyle) ? 'O' : '';

        if (vendorPrefix + 'Perspective' in bodyStyle) {
          // Modern browsers with 3D support, e.g. Webkit, IE10
          return 'translate3d';
        } else if (vendorPrefix + 'Transform' in bodyStyle) {
          // Browsers without 3D support, e.g. IE9
          return 'translate';
        } else {
          // Browsers without translate() support, e.g. IE7-8
          return 'margin';
        }
      };

      /**
       * Helpers
       */

      function clamp(n, min, max) {
        if (n < min) return min;
        if (n > max) return max;
        return n;
      }

      /**
       * (Internal) converts a percentage (`0..1`) to a bar translateX
       * percentage (`-100%..0%`).
       */

      function toBarPerc(n) {
        return (-1 + n) * 100;
      }


      /**
       * (Internal) returns the correct CSS for changing the bar's
       * position given an n percentage, and speed and ease from Settings
       */

      function barPositionCSS(n, speed, ease) {
        var barCSS;

        if (Settings.positionUsing === 'translate3d') {
          barCSS = { transform: 'translate3d('+toBarPerc(n)+'%,0,0)' };
        } else if (Settings.positionUsing === 'translate') {
          barCSS = { transform: 'translate('+toBarPerc(n)+'%,0)' };
        } else {
          barCSS = { 'margin-left': toBarPerc(n)+'%' };
        }

        barCSS.transition = 'all '+speed+'ms '+ease;

        return barCSS;
      }

      /**
       * (Internal) Queues a function to be executed.
       */

      var queue = (function() {
        var pending = [];

        function next() {
          var fn = pending.shift();
          if (fn) {
            fn(next);
          }
        }

        return function(fn) {
          pending.push(fn);
          if (pending.length == 1) next();
        };
      })();

      /**
       * (Internal) Applies css properties to an element, similar to the jQuery
       * css method.
       *
       * While this helper does assist with vendor prefixed property names, it
       * does not perform any manipulation of values prior to setting styles.
       */

      var css = (function() {
        var cssPrefixes = [ 'Webkit', 'O', 'Moz', 'ms' ],
            cssProps    = {};

        function camelCase(string) {
          return string.replace(/^-ms-/, 'ms-').replace(/-([\da-z])/gi, function(match, letter) {
            return letter.toUpperCase();
          });
        }

        function getVendorProp(name) {
          var style = document.body.style;
          if (name in style) return name;

          var i = cssPrefixes.length,
              capName = name.charAt(0).toUpperCase() + name.slice(1),
              vendorName;
          while (i--) {
            vendorName = cssPrefixes[i] + capName;
            if (vendorName in style) return vendorName;
          }

          return name;
        }

        function getStyleProp(name) {
          name = camelCase(name);
          return cssProps[name] || (cssProps[name] = getVendorProp(name));
        }

        function applyCss(element, prop, value) {
          prop = getStyleProp(prop);
          element.style[prop] = value;
        }

        return function(element, properties) {
          var args = arguments,
              prop,
              value;

          if (args.length == 2) {
            for (prop in properties) {
              value = properties[prop];
              if (value !== undefined && properties.hasOwnProperty(prop)) applyCss(element, prop, value);
            }
          } else {
            applyCss(element, args[1], args[2]);
          }
        }
      })();

      /**
       * (Internal) Determines if an element or space separated list of class names contains a class name.
       */

      function hasClass(element, name) {
        var list = typeof element == 'string' ? element : classList(element);
        return list.indexOf(' ' + name + ' ') >= 0;
      }

      /**
       * (Internal) Adds a class to an element.
       */

      function addClass(element, name) {
        var oldList = classList(element),
            newList = oldList + name;

        if (hasClass(oldList, name)) return;

        // Trim the opening space.
        element.className = newList.substring(1);
      }

      /**
       * (Internal) Removes a class from an element.
       */

      function removeClass(element, name) {
        var oldList = classList(element),
            newList;

        if (!hasClass(element, name)) return;

        // Replace the class name.
        newList = oldList.replace(' ' + name + ' ', ' ');

        // Trim the opening and closing spaces.
        element.className = newList.substring(1, newList.length - 1);
      }

      /**
       * (Internal) Gets a space separated list of the class names on the element.
       * The list is wrapped with a single space on each end to facilitate finding
       * matches within the list.
       */

      function classList(element) {
        return (' ' + (element && element.className || '') + ' ').replace(/\s+/gi, ' ');
      }

      /**
       * (Internal) Removes an element from the DOM.
       */

      function removeElement(element) {
        element && element.parentNode && element.parentNode.removeChild(element);
      }

      return NProgress;
    });


    layui.link('/static/admin_static/css/nprogress.css');
    exports('nprogress');
});