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Edit File: director.js

//
// Generated on Tue Dec 16 2014 12:13:47 GMT+0100 (CET) by Charlie Robbins, Paolo Fragomeni & the Contributors (Using Codesurgeon).
// Version 1.2.6
//

(function (exports) {

/*
 * browser.js: Browser specific functionality for director.
 *
 * (C) 2011, Charlie Robbins, Paolo Fragomeni, & the Contributors.
 * MIT LICENSE
 *
 */

var dloc = document.location;

function dlocHashEmpty() {
  // Non-IE browsers return '' when the address bar shows '#'; Director's logic
  // assumes both mean empty.
  return dloc.hash === '' || dloc.hash === '#';
}

var listener = {
  mode: 'modern',
  hash: dloc.hash,
  history: false,

check: function () {
    var h = dloc.hash;
    if (h != this.hash) {
      this.hash = h;
      this.onHashChanged();
    }
  },

fire: function () {
    if (this.mode === 'modern') {
      this.history === true ? window.onpopstate() : window.onhashchange();
    }
    else {
      this.onHashChanged();
    }
  },

init: function (fn, history) {
    var self = this;
    this.history = history;

if (!Router.listeners) {
      Router.listeners = [];
    }

function onchange(onChangeEvent) {
      for (var i = 0, l = Router.listeners.length; i < l; i++) {
        Router.listeners[i](onChangeEvent);
      }
    }

//note IE8 is being counted as 'modern' because it has the hashchange event
    if ('onhashchange' in window && (document.documentMode === undefined
      || document.documentMode > 7)) {
      // At least for now HTML5 history is available for 'modern' browsers only
      if (this.history === true) {
        // There is an old bug in Chrome that causes onpopstate to fire even
        // upon initial page load. Since the handler is run manually in init(),
        // this would cause Chrome to run it twise. Currently the only
        // workaround seems to be to set the handler after the initial page load
        // http://code.google.com/p/chromium/issues/detail?id=63040
        setTimeout(function() {
          window.onpopstate = onchange;
        }, 500);
      }
      else {
        window.onhashchange = onchange;
      }
      this.mode = 'modern';
    }
    else {
      //
      // IE support, based on a concept by Erik Arvidson ...
      //
      var frame = document.createElement('iframe');
      frame.id = 'state-frame';
      frame.style.display = 'none';
      document.body.appendChild(frame);
      this.writeFrame('');

if ('onpropertychange' in document && 'attachEvent' in document) {
        document.attachEvent('onpropertychange', function () {
          if (event.propertyName === 'location') {
            self.check();
          }
        });
      }

window.setInterval(function () { self.check(); }, 50);

this.onHashChanged = onchange;
      this.mode = 'legacy';
    }

Router.listeners.push(fn);

return this.mode;
  },

destroy: function (fn) {
    if (!Router || !Router.listeners) {
      return;
    }

var listeners = Router.listeners;

for (var i = listeners.length - 1; i >= 0; i--) {
      if (listeners[i] === fn) {
        listeners.splice(i, 1);
      }
    }
  },

setHash: function (s) {
    // Mozilla always adds an entry to the history
    if (this.mode === 'legacy') {
      this.writeFrame(s);
    }

if (this.history === true) {
      window.history.pushState({}, document.title, s);
      // Fire an onpopstate event manually since pushing does not obviously
      // trigger the pop event.
      this.fire();
    } else {
      dloc.hash = (s[0] === '/') ? s : '/' + s;
    }
    return this;
  },

writeFrame: function (s) {
    // IE support...
    var f = document.getElementById('state-frame');
    var d = f.contentDocument || f.contentWindow.document;
    d.open();
    d.write("<script>_hash = '" + s + "'; onload = parent.listener.syncHash;<script>");
    d.close();
  },

syncHash: function () {
    // IE support...
    var s = this._hash;
    if (s != dloc.hash) {
      dloc.hash = s;
    }
    return this;
  },

onHashChanged: function () {}
};

var Router = exports.Router = function (routes) {
  if (!(this instanceof Router)) return new Router(routes);

this.params   = {};
  this.routes   = {};
  this.methods  = ['on', 'once', 'after', 'before'];
  this.scope    = [];
  this._methods = {};

this._insert = this.insert;
  this.insert = this.insertEx;

this.historySupport = (window.history != null ? window.history.pushState : null) != null

this.configure();
  this.mount(routes || {});
};

Router.prototype.init = function (r) {
  var self = this
    , routeTo;
  this.handler = function(onChangeEvent) {
    var newURL = onChangeEvent && onChangeEvent.newURL || window.location.hash;
    var url = self.history === true ? self.getPath() : newURL.replace(/.*#/, '');
    self.dispatch('on', url.charAt(0) === '/' ? url : '/' + url);
  };

listener.init(this.handler, this.history);

if (this.history === false) {
    if (dlocHashEmpty() && r) {
      dloc.hash = r;
    } else if (!dlocHashEmpty()) {
      self.dispatch('on', '/' + dloc.hash.replace(/^(#\/|#|\/)/, ''));
    }
  }
  else {
    if (this.convert_hash_in_init) {
      // Use hash as route
      routeTo = dlocHashEmpty() && r ? r : !dlocHashEmpty() ? dloc.hash.replace(/^#/, '') : null;
      if (routeTo) {
        window.history.replaceState({}, document.title, routeTo);
      }
    }
    else {
      // Use canonical url
      routeTo = this.getPath();
    }

// Router has been initialized, but due to the chrome bug it will not
    // yet actually route HTML5 history state changes. Thus, decide if should route.
    if (routeTo || this.run_in_init === true) {
      this.handler();
    }
  }

return this;
};

Router.prototype.explode = function () {
  var v = this.history === true ? this.getPath() : dloc.hash;
  if (v.charAt(1) === '/') { v=v.slice(1) }
  return v.slice(1, v.length).split("/");
};

Router.prototype.setRoute = function (i, v, val) {
  var url = this.explode();

if (typeof i === 'number' && typeof v === 'string') {
    url[i] = v;
  }
  else if (typeof val === 'string') {
    url.splice(i, v, s);
  }
  else {
    url = [i];
  }

listener.setHash(url.join('/'));
  return url;
};

//
// ### function insertEx(method, path, route, parent)
// #### @method {string} Method to insert the specific `route`.
// #### @path {Array} Parsed path to insert the `route` at.
// #### @route {Array|function} Route handlers to insert.
// #### @parent {Object} **Optional** Parent "routes" to insert into.
// insert a callback that will only occur once per the matched route.
//
Router.prototype.insertEx = function(method, path, route, parent) {
  if (method === "once") {
    method = "on";
    route = function(route) {
      var once = false;
      return function() {
        if (once) return;
        once = true;
        return route.apply(this, arguments);
      };
    }(route);
  }
  return this._insert(method, path, route, parent);
};

Router.prototype.getRoute = function (v) {
  var ret = v;

if (typeof v === "number") {
    ret = this.explode()[v];
  }
  else if (typeof v === "string"){
    var h = this.explode();
    ret = h.indexOf(v);
  }
  else {
    ret = this.explode();
  }

return ret;
};

Router.prototype.destroy = function () {
  listener.destroy(this.handler);
  return this;
};

Router.prototype.getPath = function () {
  var path = window.location.pathname;
  if (path.substr(0, 1) !== '/') {
    path = '/' + path;
  }
  return path;
};
function _every(arr, iterator) {
  for (var i = 0; i < arr.length; i += 1) {
    if (iterator(arr[i], i, arr) === false) {
      return;
    }
  }
}

function _flatten(arr) {
  var flat = [];
  for (var i = 0, n = arr.length; i < n; i++) {
    flat = flat.concat(arr[i]);
  }
  return flat;
}

var QUERY_SEPARATOR = /\?.*/;

Router.prototype.configure = function(options) {
  options = options || {};
  for (var i = 0; i < this.methods.length; i++) {
    this._methods[this.methods[i]] = true;
  }
  this.recurse = options.recurse || this.recurse || false;
  this.async = options.async || false;
  this.delimiter = options.delimiter || "/";
  this.strict = typeof options.strict === "undefined" ? true : options.strict;
  this.notfound = options.notfound;
  this.resource = options.resource;
  this.history = options.html5history && this.historySupport || false;
  this.run_in_init = this.history === true && options.run_handler_in_init !== false;
  this.convert_hash_in_init = this.history === true && options.convert_hash_in_init !== false;
  this.every = {
    after: options.after || null,
    before: options.before || null,
    on: options.on || null
  };
  return this;
};

Router.prototype.param = function(token, matcher) {
  if (token[0] !== ":") {
    token = ":" + token;
  }
  var compiled = new RegExp(token, "g");
  this.params[token] = function(str) {
    return str.replace(compiled, matcher.source || matcher);
  };
  return this;
};

Router.prototype.on = Router.prototype.route = function(method, path, route) {
  var self = this;
  if (!route && typeof path == "function") {
    route = path;
    path = method;
    method = "on";
  }
  if (Array.isArray(path)) {
    return path.forEach(function(p) {
      self.on(method, p, route);
    });
  }
  if (path.source) {
    path = path.source.replace(/\\\//ig, "/");
  }
  if (Array.isArray(method)) {
    return method.forEach(function(m) {
      self.on(m.toLowerCase(), path, route);
    });
  }
  path = path.split(new RegExp(this.delimiter));
  path = terminator(path, this.delimiter);
  this.insert(method, this.scope.concat(path), route);
};

Router.prototype.path = function(path, routesFn) {
  var self = this, length = this.scope.length;
  if (path.source) {
    path = path.source.replace(/\\\//ig, "/");
  }
  path = path.split(new RegExp(this.delimiter));
  path = terminator(path, this.delimiter);
  this.scope = this.scope.concat(path);
  routesFn.call(this, this);
  this.scope.splice(length, path.length);
};

Router.prototype.dispatch = function(method, path, callback) {
  var self = this, fns = this.traverse(method, path.replace(QUERY_SEPARATOR, ""), this.routes, ""), invoked = this._invoked, after;
  this._invoked = true;
  if (!fns || fns.length === 0) {
    this.last = [];
    if (typeof this.notfound === "function") {
      this.invoke([ this.notfound ], {
        method: method,
        path: path
      }, callback);
    }
    return false;
  }
  if (this.recurse === "forward") {
    fns = fns.reverse();
  }
  function updateAndInvoke() {
    self.last = fns.after;
    self.invoke(self.runlist(fns), self, callback);
  }
  after = this.every && this.every.after ? [ this.every.after ].concat(this.last) : [ this.last ];
  if (after && after.length > 0 && invoked) {
    if (this.async) {
      this.invoke(after, this, updateAndInvoke);
    } else {
      this.invoke(after, this);
      updateAndInvoke();
    }
    return true;
  }
  updateAndInvoke();
  return true;
};

Router.prototype.invoke = function(fns, thisArg, callback) {
  var self = this;
  var apply;
  if (this.async) {
    apply = function(fn, next) {
      if (Array.isArray(fn)) {
        return _asyncEverySeries(fn, apply, next);
      } else if (typeof fn == "function") {
        fn.apply(thisArg, (fns.captures || []).concat(next));
      }
    };
    _asyncEverySeries(fns, apply, function() {
      if (callback) {
        callback.apply(thisArg, arguments);
      }
    });
  } else {
    apply = function(fn) {
      if (Array.isArray(fn)) {
        return _every(fn, apply);
      } else if (typeof fn === "function") {
        return fn.apply(thisArg, fns.captures || []);
      } else if (typeof fn === "string" && self.resource) {
        self.resource[fn].apply(thisArg, fns.captures || []);
      }
    };
    _every(fns, apply);
  }
};

Router.prototype.traverse = function(method, path, routes, regexp, filter) {
  var fns = [], current, exact, match, next, that;
  function filterRoutes(routes) {
    if (!filter) {
      return routes;
    }
    function deepCopy(source) {
      var result = [];
      for (var i = 0; i < source.length; i++) {
        result[i] = Array.isArray(source[i]) ? deepCopy(source[i]) : source[i];
      }
      return result;
    }
    function applyFilter(fns) {
      for (var i = fns.length - 1; i >= 0; i--) {
        if (Array.isArray(fns[i])) {
          applyFilter(fns[i]);
          if (fns[i].length === 0) {
            fns.splice(i, 1);
          }
        } else {
          if (!filter(fns[i])) {
            fns.splice(i, 1);
          }
        }
      }
    }
    var newRoutes = deepCopy(routes);
    newRoutes.matched = routes.matched;
    newRoutes.captures = routes.captures;
    newRoutes.after = routes.after.filter(filter);
    applyFilter(newRoutes);
    return newRoutes;
  }
  if (path === this.delimiter && routes[method]) {
    next = [ [ routes.before, routes[method] ].filter(Boolean) ];
    next.after = [ routes.after ].filter(Boolean);
    next.matched = true;
    next.captures = [];
    return filterRoutes(next);
  }
  for (var r in routes) {
    if (routes.hasOwnProperty(r) && (!this._methods[r] || this._methods[r] && typeof routes[r] === "object" && !Array.isArray(routes[r]))) {
      current = exact = regexp + this.delimiter + r;
      if (!this.strict) {
        exact += "[" + this.delimiter + "]?";
      }
      match = path.match(new RegExp("^" + exact));
      if (!match) {
        continue;
      }
      if (match[0] && match[0] == path && routes[r][method]) {
        next = [ [ routes[r].before, routes[r][method] ].filter(Boolean) ];
        next.after = [ routes[r].after ].filter(Boolean);
        next.matched = true;
        next.captures = match.slice(1);
        if (this.recurse && routes === this.routes) {
          next.push([ routes.before, routes.on ].filter(Boolean));
          next.after = next.after.concat([ routes.after ].filter(Boolean));
        }
        return filterRoutes(next);
      }
      next = this.traverse(method, path, routes[r], current);
      if (next.matched) {
        if (next.length > 0) {
          fns = fns.concat(next);
        }
        if (this.recurse) {
          fns.push([ routes[r].before, routes[r].on ].filter(Boolean));
          next.after = next.after.concat([ routes[r].after ].filter(Boolean));
          if (routes === this.routes) {
            fns.push([ routes["before"], routes["on"] ].filter(Boolean));
            next.after = next.after.concat([ routes["after"] ].filter(Boolean));
          }
        }
        fns.matched = true;
        fns.captures = next.captures;
        fns.after = next.after;
        return filterRoutes(fns);
      }
    }
  }
  return false;
};

Router.prototype.insert = function(method, path, route, parent) {
  var methodType, parentType, isArray, nested, part;
  path = path.filter(function(p) {
    return p && p.length > 0;
  });
  parent = parent || this.routes;
  part = path.shift();
  if (/\:|\*/.test(part) && !/\\d|\\w/.test(part)) {
    part = regifyString(part, this.params);
  }
  if (path.length > 0) {
    parent[part] = parent[part] || {};
    return this.insert(method, path, route, parent[part]);
  }
  if (!part && !path.length && parent === this.routes) {
    methodType = typeof parent[method];
    switch (methodType) {
     case "function":
      parent[method] = [ parent[method], route ];
      return;
     case "object":
      parent[method].push(route);
      return;
     case "undefined":
      parent[method] = route;
      return;
    }
    return;
  }
  parentType = typeof parent[part];
  isArray = Array.isArray(parent[part]);
  if (parent[part] && !isArray && parentType == "object") {
    methodType = typeof parent[part][method];
    switch (methodType) {
     case "function":
      parent[part][method] = [ parent[part][method], route ];
      return;
     case "object":
      parent[part][method].push(route);
      return;
     case "undefined":
      parent[part][method] = route;
      return;
    }
  } else if (parentType == "undefined") {
    nested = {};
    nested[method] = route;
    parent[part] = nested;
    return;
  }
  throw new Error("Invalid route context: " + parentType);
};

Router.prototype.extend = function(methods) {
  var self = this, len = methods.length, i;
  function extend(method) {
    self._methods[method] = true;
    self[method] = function() {
      var extra = arguments.length === 1 ? [ method, "" ] : [ method ];
      self.on.apply(self, extra.concat(Array.prototype.slice.call(arguments)));
    };
  }
  for (i = 0; i < len; i++) {
    extend(methods[i]);
  }
};

Router.prototype.runlist = function(fns) {
  var runlist = this.every && this.every.before ? [ this.every.before ].concat(_flatten(fns)) : _flatten(fns);
  if (this.every && this.every.on) {
    runlist.push(this.every.on);
  }
  runlist.captures = fns.captures;
  runlist.source = fns.source;
  return runlist;
};

Router.prototype.mount = function(routes, path) {
  if (!routes || typeof routes !== "object" || Array.isArray(routes)) {
    return;
  }
  var self = this;
  path = path || [];
  if (!Array.isArray(path)) {
    path = path.split(self.delimiter);
  }
  function insertOrMount(route, local) {
    var rename = route, parts = route.split(self.delimiter), routeType = typeof routes[route], isRoute = parts[0] === "" || !self._methods[parts[0]], event = isRoute ? "on" : rename;
    if (isRoute) {
      rename = rename.slice((rename.match(new RegExp("^" + self.delimiter)) || [ "" ])[0].length);
      parts.shift();
    }
    if (isRoute && routeType === "object" && !Array.isArray(routes[route])) {
      local = local.concat(parts);
      self.mount(routes[route], local);
      return;
    }
    if (isRoute) {
      local = local.concat(rename.split(self.delimiter));
      local = terminator(local, self.delimiter);
    }
    self.insert(event, local, routes[route]);
  }
  for (var route in routes) {
    if (routes.hasOwnProperty(route)) {
      insertOrMount(route, path.slice(0));
    }
  }
};

}(typeof exports === "object" ? exports : window));

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