director.js
19.9 KB
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//
// 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;
}
function _asyncEverySeries(arr, iterator, callback) {
if (!arr.length) {
return callback();
}
var completed = 0;
(function iterate() {
iterator(arr[completed], function(err) {
if (err || err === false) {
callback(err);
callback = function() {};
} else {
completed += 1;
if (completed === arr.length) {
callback();
} else {
iterate();
}
}
});
})();
}
function paramifyString(str, params, mod) {
mod = str;
for (var param in params) {
if (params.hasOwnProperty(param)) {
mod = params[param](str);
if (mod !== str) {
break;
}
}
}
return mod === str ? "([._a-zA-Z0-9-%()]+)" : mod;
}
function regifyString(str, params) {
var matches, last = 0, out = "";
while (matches = str.substr(last).match(/[^\w\d\- %@&]*\*[^\w\d\- %@&]*/)) {
last = matches.index + matches[0].length;
matches[0] = matches[0].replace(/^\*/, "([_.()!\\ %@&a-zA-Z0-9-]+)");
out += str.substr(0, matches.index) + matches[0];
}
str = out += str.substr(last);
var captures = str.match(/:([^\/]+)/ig), capture, length;
if (captures) {
length = captures.length;
for (var i = 0; i < length; i++) {
capture = captures[i];
if (capture.slice(0, 2) === "::") {
str = capture.slice(1);
} else {
str = str.replace(capture, paramifyString(capture, params));
}
}
}
return str;
}
function terminator(routes, delimiter, start, stop) {
var last = 0, left = 0, right = 0, start = (start || "(").toString(), stop = (stop || ")").toString(), i;
for (i = 0; i < routes.length; i++) {
var chunk = routes[i];
if (chunk.indexOf(start, last) > chunk.indexOf(stop, last) || ~chunk.indexOf(start, last) && !~chunk.indexOf(stop, last) || !~chunk.indexOf(start, last) && ~chunk.indexOf(stop, last)) {
left = chunk.indexOf(start, last);
right = chunk.indexOf(stop, last);
if (~left && !~right || !~left && ~right) {
var tmp = routes.slice(0, (i || 1) + 1).join(delimiter);
routes = [ tmp ].concat(routes.slice((i || 1) + 1));
}
last = (right > left ? right : left) + 1;
i = 0;
} else {
last = 0;
}
}
return routes;
}
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));