mirror of
https://github.com/SuperBFG7/ympd
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2136 lines
77 KiB
JavaScript
2136 lines
77 KiB
JavaScript
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// name: sammy
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// version: 0.7.4
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// Sammy.js / http://sammyjs.org
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(function(factory){
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// Support module loading scenarios
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if (typeof define === 'function' && define.amd){
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// AMD Anonymous Module
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define(['jquery'], factory);
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} else {
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// No module loader (plain <script> tag) - put directly in global namespace
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$.sammy = window.Sammy = factory($);
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}
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})(function($){
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var Sammy,
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PATH_REPLACER = "([^\/]+)",
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PATH_NAME_MATCHER = /:([\w\d]+)/g,
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QUERY_STRING_MATCHER = /\?([^#]*)?$/,
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// mainly for making `arguments` an Array
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_makeArray = function(nonarray) { return Array.prototype.slice.call(nonarray); },
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// borrowed from jQuery
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_isFunction = function( obj ) { return Object.prototype.toString.call(obj) === "[object Function]"; },
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_isArray = function( obj ) { return Object.prototype.toString.call(obj) === "[object Array]"; },
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_isRegExp = function( obj ) { return Object.prototype.toString.call(obj) === "[object RegExp]"; },
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_decode = function( str ) { return decodeURIComponent((str || '').replace(/\+/g, ' ')); },
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_encode = encodeURIComponent,
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_escapeHTML = function(s) {
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return String(s).replace(/&(?!\w+;)/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"');
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},
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_routeWrapper = function(verb) {
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return function() {
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return this.route.apply(this, [verb].concat(Array.prototype.slice.call(arguments)));
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};
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},
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_template_cache = {},
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_has_history = !!(window.history && history.pushState),
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loggers = [];
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// `Sammy` (also aliased as $.sammy) is not only the namespace for a
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// number of prototypes, its also a top level method that allows for easy
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// creation/management of `Sammy.Application` instances. There are a
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// number of different forms for `Sammy()` but each returns an instance
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// of `Sammy.Application`. When a new instance is created using
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// `Sammy` it is added to an Object called `Sammy.apps`. This
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// provides for an easy way to get at existing Sammy applications. Only one
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// instance is allowed per `element_selector` so when calling
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// `Sammy('selector')` multiple times, the first time will create
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// the application and the following times will extend the application
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// already added to that selector.
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//
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// ### Example
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//
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// // returns the app at #main or a new app
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// Sammy('#main')
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//
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// // equivalent to "new Sammy.Application", except appends to apps
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// Sammy();
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// Sammy(function() { ... });
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//
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// // extends the app at '#main' with function.
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// Sammy('#main', function() { ... });
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//
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Sammy = function() {
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var args = _makeArray(arguments),
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app, selector;
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Sammy.apps = Sammy.apps || {};
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if (args.length === 0 || args[0] && _isFunction(args[0])) { // Sammy()
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return Sammy.apply(Sammy, ['body'].concat(args));
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} else if (typeof (selector = args.shift()) == 'string') { // Sammy('#main')
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app = Sammy.apps[selector] || new Sammy.Application();
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app.element_selector = selector;
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if (args.length > 0) {
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$.each(args, function(i, plugin) {
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app.use(plugin);
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});
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}
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// if the selector changes make sure the reference in Sammy.apps changes
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if (app.element_selector != selector) {
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delete Sammy.apps[selector];
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}
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Sammy.apps[app.element_selector] = app;
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return app;
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}
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};
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Sammy.VERSION = '0.7.4';
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// Add to the global logger pool. Takes a function that accepts an
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// unknown number of arguments and should print them or send them somewhere
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// The first argument is always a timestamp.
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Sammy.addLogger = function(logger) {
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loggers.push(logger);
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};
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// Sends a log message to each logger listed in the global
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// loggers pool. Can take any number of arguments.
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// Also prefixes the arguments with a timestamp.
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Sammy.log = function() {
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var args = _makeArray(arguments);
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args.unshift("[" + Date() + "]");
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$.each(loggers, function(i, logger) {
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logger.apply(Sammy, args);
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});
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};
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if (typeof window.console != 'undefined') {
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if (_isFunction(window.console.log.apply)) {
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Sammy.addLogger(function() {
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window.console.log.apply(window.console, arguments);
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});
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} else {
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Sammy.addLogger(function() {
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window.console.log(arguments);
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});
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}
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} else if (typeof console != 'undefined') {
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Sammy.addLogger(function() {
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console.log.apply(console, arguments);
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});
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}
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$.extend(Sammy, {
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makeArray: _makeArray,
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isFunction: _isFunction,
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isArray: _isArray
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});
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// Sammy.Object is the base for all other Sammy classes. It provides some useful
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// functionality, including cloning, iterating, etc.
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Sammy.Object = function(obj) { // constructor
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return $.extend(this, obj || {});
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};
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$.extend(Sammy.Object.prototype, {
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// Escape HTML in string, use in templates to prevent script injection.
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// Also aliased as `h()`
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escapeHTML: _escapeHTML,
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h: _escapeHTML,
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// Returns a copy of the object with Functions removed.
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toHash: function() {
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var json = {};
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$.each(this, function(k,v) {
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if (!_isFunction(v)) {
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json[k] = v;
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}
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});
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return json;
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},
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// Renders a simple HTML version of this Objects attributes.
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// Does not render functions.
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// For example. Given this Sammy.Object:
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//
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// var s = new Sammy.Object({first_name: 'Sammy', last_name: 'Davis Jr.'});
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// s.toHTML()
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// //=> '<strong>first_name</strong> Sammy<br /><strong>last_name</strong> Davis Jr.<br />'
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//
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toHTML: function() {
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var display = "";
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$.each(this, function(k, v) {
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if (!_isFunction(v)) {
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display += "<strong>" + k + "</strong> " + v + "<br />";
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}
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});
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return display;
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},
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// Returns an array of keys for this object. If `attributes_only`
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// is true will not return keys that map to a `function()`
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keys: function(attributes_only) {
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var keys = [];
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for (var property in this) {
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if (!_isFunction(this[property]) || !attributes_only) {
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keys.push(property);
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}
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}
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return keys;
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},
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// Checks if the object has a value at `key` and that the value is not empty
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has: function(key) {
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return this[key] && $.trim(this[key].toString()) !== '';
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},
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// convenience method to join as many arguments as you want
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// by the first argument - useful for making paths
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join: function() {
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var args = _makeArray(arguments);
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var delimiter = args.shift();
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return args.join(delimiter);
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},
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// Shortcut to Sammy.log
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log: function() {
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Sammy.log.apply(Sammy, arguments);
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},
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// Returns a string representation of this object.
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// if `include_functions` is true, it will also toString() the
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// methods of this object. By default only prints the attributes.
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toString: function(include_functions) {
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var s = [];
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$.each(this, function(k, v) {
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if (!_isFunction(v) || include_functions) {
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s.push('"' + k + '": ' + v.toString());
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}
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});
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return "Sammy.Object: {" + s.join(',') + "}";
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}
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});
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// Return whether the event targets this window.
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Sammy.targetIsThisWindow = function targetIsThisWindow(event) {
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var targetWindow = $(event.target).attr('target');
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if ( !targetWindow || targetWindow === window.name || targetWindow === '_self' ) { return true; }
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if ( targetWindow === '_blank' ) { return false; }
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if ( targetWindow === 'top' && window === window.top ) { return true; }
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return false;
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};
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// The DefaultLocationProxy is the default location proxy for all Sammy applications.
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// A location proxy is a prototype that conforms to a simple interface. The purpose
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// of a location proxy is to notify the Sammy.Application its bound to when the location
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// or 'external state' changes.
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//
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// The `DefaultLocationProxy` watches for changes to the path of the current window and
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// is also able to set the path based on changes in the application. It does this by
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// using different methods depending on what is available in the current browser. In
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// the latest and greatest browsers it used the HTML5 History API and the `pushState`
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// `popState` events/methods. This allows you to use Sammy to serve a site behind normal
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// URI paths as opposed to the older default of hash (#) based routing. Because the server
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// can interpret the changed path on a refresh or re-entry, though, it requires additional
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// support on the server side. If you'd like to force disable HTML5 history support, please
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// use the `disable_push_state` setting on `Sammy.Application`. If pushState support
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// is enabled, `DefaultLocationProxy` also binds to all links on the page. If a link is clicked
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// that matches the current set of routes, the URL is changed using pushState instead of
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// fully setting the location and the app is notified of the change.
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//
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// If the browser does not have support for HTML5 History, `DefaultLocationProxy` automatically
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// falls back to the older hash based routing. The newest browsers (IE, Safari > 4, FF >= 3.6)
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// support a 'onhashchange' DOM event, thats fired whenever the location.hash changes.
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// In this situation the DefaultLocationProxy just binds to this event and delegates it to
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// the application. In the case of older browsers a poller is set up to track changes to the
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// hash.
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Sammy.DefaultLocationProxy = function(app, run_interval_every) {
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this.app = app;
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// set is native to false and start the poller immediately
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this.is_native = false;
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this.has_history = _has_history;
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this._startPolling(run_interval_every);
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};
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Sammy.DefaultLocationProxy.fullPath = function(location_obj) {
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// Bypass the `window.location.hash` attribute. If a question mark
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// appears in the hash IE6 will strip it and all of the following
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// characters from `window.location.hash`.
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var matches = location_obj.toString().match(/^[^#]*(#.+)$/);
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var hash = matches ? matches[1] : '';
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return [location_obj.pathname, location_obj.search, hash].join('');
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};
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$.extend(Sammy.DefaultLocationProxy.prototype , {
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// bind the proxy events to the current app.
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bind: function() {
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var proxy = this, app = this.app, lp = Sammy.DefaultLocationProxy;
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$(window).bind('hashchange.' + this.app.eventNamespace(), function(e, non_native) {
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// if we receive a native hash change event, set the proxy accordingly
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// and stop polling
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if (proxy.is_native === false && !non_native) {
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proxy.is_native = true;
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window.clearInterval(lp._interval);
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lp._interval = null;
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}
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app.trigger('location-changed');
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});
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if (_has_history && !app.disable_push_state) {
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// bind to popstate
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$(window).bind('popstate.' + this.app.eventNamespace(), function(e) {
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app.trigger('location-changed');
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});
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// bind to link clicks that have routes
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$(document).delegate('a', 'click.history-' + this.app.eventNamespace(), function (e) {
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if (e.isDefaultPrevented() || e.metaKey || e.ctrlKey) {
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return;
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}
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var full_path = lp.fullPath(this),
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// Get anchor's host name in a cross browser compatible way.
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// IE looses hostname property when setting href in JS
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// with a relative URL, e.g. a.setAttribute('href',"/whatever").
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// Circumvent this problem by creating a new link with given URL and
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// querying that for a hostname.
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hostname = this.hostname ? this.hostname : function (a) {
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var l = document.createElement("a");
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l.href = a.href;
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return l.hostname;
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}(this);
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if (hostname == window.location.hostname &&
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app.lookupRoute('get', full_path) &&
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Sammy.targetIsThisWindow(e)) {
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e.preventDefault();
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proxy.setLocation(full_path);
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return false;
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}
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});
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}
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if (!lp._bindings) {
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lp._bindings = 0;
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}
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lp._bindings++;
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},
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// unbind the proxy events from the current app
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unbind: function() {
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$(window).unbind('hashchange.' + this.app.eventNamespace());
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$(window).unbind('popstate.' + this.app.eventNamespace());
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$(document).undelegate('a', 'click.history-' + this.app.eventNamespace());
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Sammy.DefaultLocationProxy._bindings--;
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if (Sammy.DefaultLocationProxy._bindings <= 0) {
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window.clearInterval(Sammy.DefaultLocationProxy._interval);
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Sammy.DefaultLocationProxy._interval = null;
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}
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},
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// get the current location from the hash.
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getLocation: function() {
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return Sammy.DefaultLocationProxy.fullPath(window.location);
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},
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// set the current location to `new_location`
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setLocation: function(new_location) {
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if (/^([^#\/]|$)/.test(new_location)) { // non-prefixed url
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if (_has_history && !this.app.disable_push_state) {
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new_location = '/' + new_location;
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} else {
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new_location = '#!/' + new_location;
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}
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}
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if (new_location != this.getLocation()) {
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// HTML5 History exists and new_location is a full path
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if (_has_history && !this.app.disable_push_state && /^\//.test(new_location)) {
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history.pushState({ path: new_location }, window.title, new_location);
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this.app.trigger('location-changed');
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} else {
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return (window.location = new_location);
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}
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||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
_startPolling: function(every) {
|
||
|
|
// set up interval
|
||
|
|
var proxy = this;
|
||
|
|
if (!Sammy.DefaultLocationProxy._interval) {
|
||
|
|
if (!every) { every = 10; }
|
||
|
|
var hashCheck = function() {
|
||
|
|
var current_location = proxy.getLocation();
|
||
|
|
if (typeof Sammy.DefaultLocationProxy._last_location == 'undefined' ||
|
||
|
|
current_location != Sammy.DefaultLocationProxy._last_location) {
|
||
|
|
window.setTimeout(function() {
|
||
|
|
$(window).trigger('hashchange', [true]);
|
||
|
|
}, 0);
|
||
|
|
}
|
||
|
|
Sammy.DefaultLocationProxy._last_location = current_location;
|
||
|
|
};
|
||
|
|
hashCheck();
|
||
|
|
Sammy.DefaultLocationProxy._interval = window.setInterval(hashCheck, every);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
|
||
|
|
// Sammy.Application is the Base prototype for defining 'applications'.
|
||
|
|
// An 'application' is a collection of 'routes' and bound events that is
|
||
|
|
// attached to an element when `run()` is called.
|
||
|
|
// The only argument an 'app_function' is evaluated within the context of the application.
|
||
|
|
Sammy.Application = function(app_function) {
|
||
|
|
var app = this;
|
||
|
|
this.routes = {};
|
||
|
|
this.listeners = new Sammy.Object({});
|
||
|
|
this.arounds = [];
|
||
|
|
this.befores = [];
|
||
|
|
// generate a unique namespace
|
||
|
|
this.namespace = (new Date()).getTime() + '-' + parseInt(Math.random() * 1000, 10);
|
||
|
|
this.context_prototype = function() { Sammy.EventContext.apply(this, arguments); };
|
||
|
|
this.context_prototype.prototype = new Sammy.EventContext();
|
||
|
|
|
||
|
|
if (_isFunction(app_function)) {
|
||
|
|
app_function.apply(this, [this]);
|
||
|
|
}
|
||
|
|
// set the location proxy if not defined to the default (DefaultLocationProxy)
|
||
|
|
if (!this._location_proxy) {
|
||
|
|
this.setLocationProxy(new Sammy.DefaultLocationProxy(this, this.run_interval_every));
|
||
|
|
}
|
||
|
|
if (this.debug) {
|
||
|
|
this.bindToAllEvents(function(e, data) {
|
||
|
|
app.log(app.toString(), e.cleaned_type, data || {});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
Sammy.Application.prototype = $.extend({}, Sammy.Object.prototype, {
|
||
|
|
|
||
|
|
// the four route verbs
|
||
|
|
ROUTE_VERBS: ['get','post','put','delete'],
|
||
|
|
|
||
|
|
// An array of the default events triggered by the
|
||
|
|
// application during its lifecycle
|
||
|
|
APP_EVENTS: ['run', 'unload', 'lookup-route', 'run-route', 'route-found', 'event-context-before', 'event-context-after', 'changed', 'error', 'check-form-submission', 'redirect', 'location-changed'],
|
||
|
|
|
||
|
|
_last_route: null,
|
||
|
|
_location_proxy: null,
|
||
|
|
_running: false,
|
||
|
|
|
||
|
|
// Defines what element the application is bound to. Provide a selector
|
||
|
|
// (parseable by `jQuery()`) and this will be used by `$element()`
|
||
|
|
element_selector: 'body',
|
||
|
|
|
||
|
|
// When set to true, logs all of the default events using `log()`
|
||
|
|
debug: false,
|
||
|
|
|
||
|
|
// When set to true, and the error() handler is not overridden, will actually
|
||
|
|
// raise JS errors in routes (500) and when routes can't be found (404)
|
||
|
|
raise_errors: false,
|
||
|
|
|
||
|
|
// The time in milliseconds that the URL is queried for changes
|
||
|
|
run_interval_every: 50,
|
||
|
|
|
||
|
|
// if using the `DefaultLocationProxy` setting this to true will force the app to use
|
||
|
|
// traditional hash based routing as opposed to the new HTML5 PushState support
|
||
|
|
disable_push_state: false,
|
||
|
|
|
||
|
|
// The default template engine to use when using `partial()` in an
|
||
|
|
// `EventContext`. `template_engine` can either be a string that
|
||
|
|
// corresponds to the name of a method/helper on EventContext or it can be a function
|
||
|
|
// that takes two arguments, the content of the unrendered partial and an optional
|
||
|
|
// JS object that contains interpolation data. Template engine is only called/referred
|
||
|
|
// to if the extension of the partial is null or unknown. See `partial()`
|
||
|
|
// for more information
|
||
|
|
template_engine: null,
|
||
|
|
|
||
|
|
// //=> Sammy.Application: body
|
||
|
|
toString: function() {
|
||
|
|
return 'Sammy.Application:' + this.element_selector;
|
||
|
|
},
|
||
|
|
|
||
|
|
// returns a jQuery object of the Applications bound element.
|
||
|
|
$element: function(selector) {
|
||
|
|
return selector ? $(this.element_selector).find(selector) : $(this.element_selector);
|
||
|
|
},
|
||
|
|
|
||
|
|
// `use()` is the entry point for including Sammy plugins.
|
||
|
|
// The first argument to use should be a function() that is evaluated
|
||
|
|
// in the context of the current application, just like the `app_function`
|
||
|
|
// argument to the `Sammy.Application` constructor.
|
||
|
|
//
|
||
|
|
// Any additional arguments are passed to the app function sequentially.
|
||
|
|
//
|
||
|
|
// For much more detail about plugins, check out:
|
||
|
|
// [http://sammyjs.org/docs/plugins](http://sammyjs.org/docs/plugins)
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// var MyPlugin = function(app, prepend) {
|
||
|
|
//
|
||
|
|
// this.helpers({
|
||
|
|
// myhelper: function(text) {
|
||
|
|
// alert(prepend + " " + text);
|
||
|
|
// }
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// };
|
||
|
|
//
|
||
|
|
// var app = $.sammy(function() {
|
||
|
|
//
|
||
|
|
// this.use(MyPlugin, 'This is my plugin');
|
||
|
|
//
|
||
|
|
// this.get('#/', function() {
|
||
|
|
// this.myhelper('and dont you forget it!');
|
||
|
|
// //=> Alerts: This is my plugin and dont you forget it!
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// If plugin is passed as a string it assumes your are trying to load
|
||
|
|
// Sammy."Plugin". This is the preferred way of loading core Sammy plugins
|
||
|
|
// as it allows for better error-messaging.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// $.sammy(function() {
|
||
|
|
// this.use('Mustache'); //=> Sammy.Mustache
|
||
|
|
// this.use('Storage'); //=> Sammy.Storage
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
use: function() {
|
||
|
|
// flatten the arguments
|
||
|
|
var args = _makeArray(arguments),
|
||
|
|
plugin = args.shift(),
|
||
|
|
plugin_name = plugin || '';
|
||
|
|
try {
|
||
|
|
args.unshift(this);
|
||
|
|
if (typeof plugin == 'string') {
|
||
|
|
plugin_name = 'Sammy.' + plugin;
|
||
|
|
plugin = Sammy[plugin];
|
||
|
|
}
|
||
|
|
plugin.apply(this, args);
|
||
|
|
} catch(e) {
|
||
|
|
if (typeof plugin === 'undefined') {
|
||
|
|
this.error("Plugin Error: called use() but plugin (" + plugin_name.toString() + ") is not defined", e);
|
||
|
|
} else if (!_isFunction(plugin)) {
|
||
|
|
this.error("Plugin Error: called use() but '" + plugin_name.toString() + "' is not a function", e);
|
||
|
|
} else {
|
||
|
|
this.error("Plugin Error", e);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Sets the location proxy for the current app. By default this is set to
|
||
|
|
// a new `Sammy.DefaultLocationProxy` on initialization. However, you can set
|
||
|
|
// the location_proxy inside you're app function to give your app a custom
|
||
|
|
// location mechanism. See `Sammy.DefaultLocationProxy` and `Sammy.DataLocationProxy`
|
||
|
|
// for examples.
|
||
|
|
//
|
||
|
|
// `setLocationProxy()` takes an initialized location proxy.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// // to bind to data instead of the default hash;
|
||
|
|
// var app = $.sammy(function() {
|
||
|
|
// this.setLocationProxy(new Sammy.DataLocationProxy(this));
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
setLocationProxy: function(new_proxy) {
|
||
|
|
var original_proxy = this._location_proxy;
|
||
|
|
this._location_proxy = new_proxy;
|
||
|
|
if (this.isRunning()) {
|
||
|
|
if (original_proxy) {
|
||
|
|
// if there is already a location proxy, unbind it.
|
||
|
|
original_proxy.unbind();
|
||
|
|
}
|
||
|
|
this._location_proxy.bind();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// provide log() override for inside an app that includes the relevant application element_selector
|
||
|
|
log: function() {
|
||
|
|
Sammy.log.apply(Sammy, Array.prototype.concat.apply([this.element_selector],arguments));
|
||
|
|
},
|
||
|
|
|
||
|
|
|
||
|
|
// `route()` is the main method for defining routes within an application.
|
||
|
|
// For great detail on routes, check out:
|
||
|
|
// [http://sammyjs.org/docs/routes](http://sammyjs.org/docs/routes)
|
||
|
|
//
|
||
|
|
// This method also has aliases for each of the different verbs (eg. `get()`, `post()`, etc.)
|
||
|
|
//
|
||
|
|
// ### Arguments
|
||
|
|
//
|
||
|
|
// * `verb` A String in the set of ROUTE_VERBS or 'any'. 'any' will add routes for each
|
||
|
|
// of the ROUTE_VERBS. If only two arguments are passed,
|
||
|
|
// the first argument is the path, the second is the callback and the verb
|
||
|
|
// is assumed to be 'any'.
|
||
|
|
// * `path` A Regexp or a String representing the path to match to invoke this verb.
|
||
|
|
// * `callback` A Function that is called/evaluated when the route is run see: `runRoute()`.
|
||
|
|
// It is also possible to pass a string as the callback, which is looked up as the name
|
||
|
|
// of a method on the application.
|
||
|
|
//
|
||
|
|
route: function(verb, path) {
|
||
|
|
var app = this, param_names = [], add_route, path_match, callback = Array.prototype.slice.call(arguments,2);
|
||
|
|
|
||
|
|
// if the method signature is just (path, callback)
|
||
|
|
// assume the verb is 'any'
|
||
|
|
if (callback.length === 0 && _isFunction(path)) {
|
||
|
|
path = verb;
|
||
|
|
callback = [path];
|
||
|
|
verb = 'any';
|
||
|
|
}
|
||
|
|
|
||
|
|
verb = verb.toLowerCase(); // ensure verb is lower case
|
||
|
|
|
||
|
|
// if path is a string turn it into a regex
|
||
|
|
if (path.constructor == String) {
|
||
|
|
|
||
|
|
// Needs to be explicitly set because IE will maintain the index unless NULL is returned,
|
||
|
|
// which means that with two consecutive routes that contain params, the second set of params will not be found and end up in splat instead of params
|
||
|
|
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/RegExp/lastIndex
|
||
|
|
PATH_NAME_MATCHER.lastIndex = 0;
|
||
|
|
|
||
|
|
// find the names
|
||
|
|
while ((path_match = PATH_NAME_MATCHER.exec(path)) !== null) {
|
||
|
|
param_names.push(path_match[1]);
|
||
|
|
}
|
||
|
|
// replace with the path replacement
|
||
|
|
path = new RegExp(path.replace(PATH_NAME_MATCHER, PATH_REPLACER) + "$");
|
||
|
|
}
|
||
|
|
// lookup callbacks
|
||
|
|
$.each(callback,function(i,cb){
|
||
|
|
if (typeof(cb) === 'string') {
|
||
|
|
callback[i] = app[cb];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
add_route = function(with_verb) {
|
||
|
|
var r = {verb: with_verb, path: path, callback: callback, param_names: param_names};
|
||
|
|
// add route to routes array
|
||
|
|
app.routes[with_verb] = app.routes[with_verb] || [];
|
||
|
|
// place routes in order of definition
|
||
|
|
app.routes[with_verb].push(r);
|
||
|
|
};
|
||
|
|
|
||
|
|
if (verb === 'any') {
|
||
|
|
$.each(this.ROUTE_VERBS, function(i, v) { add_route(v); });
|
||
|
|
} else {
|
||
|
|
add_route(verb);
|
||
|
|
}
|
||
|
|
|
||
|
|
// return the app
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Alias for route('get', ...)
|
||
|
|
get: _routeWrapper('get'),
|
||
|
|
|
||
|
|
// Alias for route('post', ...)
|
||
|
|
post: _routeWrapper('post'),
|
||
|
|
|
||
|
|
// Alias for route('put', ...)
|
||
|
|
put: _routeWrapper('put'),
|
||
|
|
|
||
|
|
// Alias for route('delete', ...)
|
||
|
|
del: _routeWrapper('delete'),
|
||
|
|
|
||
|
|
// Alias for route('any', ...)
|
||
|
|
any: _routeWrapper('any'),
|
||
|
|
|
||
|
|
// `mapRoutes` takes an array of arrays, each array being passed to route()
|
||
|
|
// as arguments, this allows for mass definition of routes. Another benefit is
|
||
|
|
// this makes it possible/easier to load routes via remote JSON.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// var app = $.sammy(function() {
|
||
|
|
//
|
||
|
|
// this.mapRoutes([
|
||
|
|
// ['get', '#/', function() { this.log('index'); }],
|
||
|
|
// // strings in callbacks are looked up as methods on the app
|
||
|
|
// ['post', '#/create', 'addUser'],
|
||
|
|
// // No verb assumes 'any' as the verb
|
||
|
|
// [/dowhatever/, function() { this.log(this.verb, this.path)}];
|
||
|
|
// ]);
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
mapRoutes: function(route_array) {
|
||
|
|
var app = this;
|
||
|
|
$.each(route_array, function(i, route_args) {
|
||
|
|
app.route.apply(app, route_args);
|
||
|
|
});
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// A unique event namespace defined per application.
|
||
|
|
// All events bound with `bind()` are automatically bound within this space.
|
||
|
|
eventNamespace: function() {
|
||
|
|
return ['sammy-app', this.namespace].join('-');
|
||
|
|
},
|
||
|
|
|
||
|
|
// Works just like `jQuery.fn.bind()` with a couple notable differences.
|
||
|
|
//
|
||
|
|
// * It binds all events to the application element
|
||
|
|
// * All events are bound within the `eventNamespace()`
|
||
|
|
// * Events are not actually bound until the application is started with `run()`
|
||
|
|
// * callbacks are evaluated within the context of a Sammy.EventContext
|
||
|
|
//
|
||
|
|
bind: function(name, data, callback) {
|
||
|
|
var app = this;
|
||
|
|
// build the callback
|
||
|
|
// if the arity is 2, callback is the second argument
|
||
|
|
if (typeof callback == 'undefined') { callback = data; }
|
||
|
|
var listener_callback = function() {
|
||
|
|
// pull off the context from the arguments to the callback
|
||
|
|
var e, context, data;
|
||
|
|
e = arguments[0];
|
||
|
|
data = arguments[1];
|
||
|
|
if (data && data.context) {
|
||
|
|
context = data.context;
|
||
|
|
delete data.context;
|
||
|
|
} else {
|
||
|
|
context = new app.context_prototype(app, 'bind', e.type, data, e.target);
|
||
|
|
}
|
||
|
|
e.cleaned_type = e.type.replace(app.eventNamespace(), '');
|
||
|
|
callback.apply(context, [e, data]);
|
||
|
|
};
|
||
|
|
|
||
|
|
// it could be that the app element doesnt exist yet
|
||
|
|
// so attach to the listeners array and then run()
|
||
|
|
// will actually bind the event.
|
||
|
|
if (!this.listeners[name]) { this.listeners[name] = []; }
|
||
|
|
this.listeners[name].push(listener_callback);
|
||
|
|
if (this.isRunning()) {
|
||
|
|
// if the app is running
|
||
|
|
// *actually* bind the event to the app element
|
||
|
|
this._listen(name, listener_callback);
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Triggers custom events defined with `bind()`
|
||
|
|
//
|
||
|
|
// ### Arguments
|
||
|
|
//
|
||
|
|
// * `name` The name of the event. Automatically prefixed with the `eventNamespace()`
|
||
|
|
// * `data` An optional Object that can be passed to the bound callback.
|
||
|
|
// * `context` An optional context/Object in which to execute the bound callback.
|
||
|
|
// If no context is supplied a the context is a new `Sammy.EventContext`
|
||
|
|
//
|
||
|
|
trigger: function(name, data) {
|
||
|
|
this.$element().trigger([name, this.eventNamespace()].join('.'), [data]);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Reruns the current route
|
||
|
|
refresh: function() {
|
||
|
|
this.last_location = null;
|
||
|
|
this.trigger('location-changed');
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Takes a single callback that is pushed on to a stack.
|
||
|
|
// Before any route is run, the callbacks are evaluated in order within
|
||
|
|
// the current `Sammy.EventContext`
|
||
|
|
//
|
||
|
|
// If any of the callbacks explicitly return false, execution of any
|
||
|
|
// further callbacks and the route itself is halted.
|
||
|
|
//
|
||
|
|
// You can also provide a set of options that will define when to run this
|
||
|
|
// before based on the route it proceeds.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// var app = $.sammy(function() {
|
||
|
|
//
|
||
|
|
// // will run at #/route but not at #/
|
||
|
|
// this.before('#/route', function() {
|
||
|
|
// //...
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// // will run at #/ but not at #/route
|
||
|
|
// this.before({except: {path: '#/route'}}, function() {
|
||
|
|
// this.log('not before #/route');
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// this.get('#/', function() {});
|
||
|
|
//
|
||
|
|
// this.get('#/route', function() {});
|
||
|
|
//
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// See `contextMatchesOptions()` for a full list of supported options
|
||
|
|
//
|
||
|
|
before: function(options, callback) {
|
||
|
|
if (_isFunction(options)) {
|
||
|
|
callback = options;
|
||
|
|
options = {};
|
||
|
|
}
|
||
|
|
this.befores.push([options, callback]);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// A shortcut for binding a callback to be run after a route is executed.
|
||
|
|
// After callbacks have no guarunteed order.
|
||
|
|
after: function(callback) {
|
||
|
|
return this.bind('event-context-after', callback);
|
||
|
|
},
|
||
|
|
|
||
|
|
|
||
|
|
// Adds an around filter to the application. around filters are functions
|
||
|
|
// that take a single argument `callback` which is the entire route
|
||
|
|
// execution path wrapped up in a closure. This means you can decide whether
|
||
|
|
// or not to proceed with execution by not invoking `callback` or,
|
||
|
|
// more usefully wrapping callback inside the result of an asynchronous execution.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// The most common use case for around() is calling a _possibly_ async function
|
||
|
|
// and executing the route within the functions callback:
|
||
|
|
//
|
||
|
|
// var app = $.sammy(function() {
|
||
|
|
//
|
||
|
|
// var current_user = false;
|
||
|
|
//
|
||
|
|
// function checkLoggedIn(callback) {
|
||
|
|
// // /session returns a JSON representation of the logged in user
|
||
|
|
// // or an empty object
|
||
|
|
// if (!current_user) {
|
||
|
|
// $.getJSON('/session', function(json) {
|
||
|
|
// if (json.login) {
|
||
|
|
// // show the user as logged in
|
||
|
|
// current_user = json;
|
||
|
|
// // execute the route path
|
||
|
|
// callback();
|
||
|
|
// } else {
|
||
|
|
// // show the user as not logged in
|
||
|
|
// current_user = false;
|
||
|
|
// // the context of aroundFilters is an EventContext
|
||
|
|
// this.redirect('#/login');
|
||
|
|
// }
|
||
|
|
// });
|
||
|
|
// } else {
|
||
|
|
// // execute the route path
|
||
|
|
// callback();
|
||
|
|
// }
|
||
|
|
// };
|
||
|
|
//
|
||
|
|
// this.around(checkLoggedIn);
|
||
|
|
//
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
around: function(callback) {
|
||
|
|
this.arounds.push(callback);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Adds a onComplete function to the application. onComplete functions are executed
|
||
|
|
// at the end of a chain of route callbacks, if they call next(). Unlike after,
|
||
|
|
// which is called as soon as the route is complete, onComplete is like a final next()
|
||
|
|
// for all routes, and is thus run asynchronously
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// app.get('/chain',function(context,next) {
|
||
|
|
// console.log('chain1');
|
||
|
|
// next();
|
||
|
|
// },function(context,next) {
|
||
|
|
// console.log('chain2');
|
||
|
|
// next();
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// app.get('/link',function(context,next) {
|
||
|
|
// console.log('link1');
|
||
|
|
// next();
|
||
|
|
// },function(context,next) {
|
||
|
|
// console.log('link2');
|
||
|
|
// next();
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// app.onComplete(function() {
|
||
|
|
// console.log("Running finally");
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// If you go to '/chain', you will get the following messages:
|
||
|
|
//
|
||
|
|
// chain1
|
||
|
|
// chain2
|
||
|
|
// Running onComplete
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// If you go to /link, you will get the following messages:
|
||
|
|
//
|
||
|
|
// link1
|
||
|
|
// link2
|
||
|
|
// Running onComplete
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// It really comes to play when doing asynchronous:
|
||
|
|
//
|
||
|
|
// app.get('/chain',function(context,next) {
|
||
|
|
// $.get('/my/url',function() {
|
||
|
|
// console.log('chain1');
|
||
|
|
// next();
|
||
|
|
// });
|
||
|
|
// },function(context,next) {
|
||
|
|
// console.log('chain2');
|
||
|
|
// next();
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
onComplete: function(callback) {
|
||
|
|
this._onComplete = callback;
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Returns `true` if the current application is running.
|
||
|
|
isRunning: function() {
|
||
|
|
return this._running;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Helpers extends the EventContext prototype specific to this app.
|
||
|
|
// This allows you to define app specific helper functions that can be used
|
||
|
|
// whenever you're inside of an event context (templates, routes, bind).
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// var app = $.sammy(function() {
|
||
|
|
//
|
||
|
|
// helpers({
|
||
|
|
// upcase: function(text) {
|
||
|
|
// return text.toString().toUpperCase();
|
||
|
|
// }
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// get('#/', function() { with(this) {
|
||
|
|
// // inside of this context I can use the helpers
|
||
|
|
// $('#main').html(upcase($('#main').text());
|
||
|
|
// }});
|
||
|
|
//
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// ### Arguments
|
||
|
|
//
|
||
|
|
// * `extensions` An object collection of functions to extend the context.
|
||
|
|
//
|
||
|
|
helpers: function(extensions) {
|
||
|
|
$.extend(this.context_prototype.prototype, extensions);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Helper extends the event context just like `helpers()` but does it
|
||
|
|
// a single method at a time. This is especially useful for dynamically named
|
||
|
|
// helpers
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// // Trivial example that adds 3 helper methods to the context dynamically
|
||
|
|
// var app = $.sammy(function(app) {
|
||
|
|
//
|
||
|
|
// $.each([1,2,3], function(i, num) {
|
||
|
|
// app.helper('helper' + num, function() {
|
||
|
|
// this.log("I'm helper number " + num);
|
||
|
|
// });
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// this.get('#/', function() {
|
||
|
|
// this.helper2(); //=> I'm helper number 2
|
||
|
|
// });
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// ### Arguments
|
||
|
|
//
|
||
|
|
// * `name` The name of the method
|
||
|
|
// * `method` The function to be added to the prototype at `name`
|
||
|
|
//
|
||
|
|
helper: function(name, method) {
|
||
|
|
this.context_prototype.prototype[name] = method;
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Actually starts the application's lifecycle. `run()` should be invoked
|
||
|
|
// within a document.ready block to ensure the DOM exists before binding events, etc.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// var app = $.sammy(function() { ... }); // your application
|
||
|
|
// $(function() { // document.ready
|
||
|
|
// app.run();
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// ### Arguments
|
||
|
|
//
|
||
|
|
// * `start_url` Optionally, a String can be passed which the App will redirect to
|
||
|
|
// after the events/routes have been bound.
|
||
|
|
run: function(start_url) {
|
||
|
|
if (this.isRunning()) { return false; }
|
||
|
|
var app = this;
|
||
|
|
|
||
|
|
// actually bind all the listeners
|
||
|
|
$.each(this.listeners.toHash(), function(name, callbacks) {
|
||
|
|
$.each(callbacks, function(i, listener_callback) {
|
||
|
|
app._listen(name, listener_callback);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
this.trigger('run', {start_url: start_url});
|
||
|
|
this._running = true;
|
||
|
|
// set last location
|
||
|
|
this.last_location = null;
|
||
|
|
if (!(/\#(.+)/.test(this.getLocation())) && typeof start_url != 'undefined') {
|
||
|
|
this.setLocation(start_url);
|
||
|
|
}
|
||
|
|
// check url
|
||
|
|
this._checkLocation();
|
||
|
|
this._location_proxy.bind();
|
||
|
|
this.bind('location-changed', function() {
|
||
|
|
app._checkLocation();
|
||
|
|
});
|
||
|
|
|
||
|
|
// bind to submit to capture post/put/delete routes
|
||
|
|
this.bind('submit', function(e) {
|
||
|
|
if ( !Sammy.targetIsThisWindow(e) ) { return true; }
|
||
|
|
var returned = app._checkFormSubmission($(e.target).closest('form'));
|
||
|
|
return (returned === false) ? e.preventDefault() : false;
|
||
|
|
});
|
||
|
|
|
||
|
|
// bind unload to body unload
|
||
|
|
$(window).bind('unload', function() {
|
||
|
|
app.unload();
|
||
|
|
});
|
||
|
|
|
||
|
|
// trigger html changed
|
||
|
|
return this.trigger('changed');
|
||
|
|
},
|
||
|
|
|
||
|
|
// The opposite of `run()`, un-binds all event listeners and intervals
|
||
|
|
// `run()` Automatically binds a `onunload` event to run this when
|
||
|
|
// the document is closed.
|
||
|
|
unload: function() {
|
||
|
|
if (!this.isRunning()) { return false; }
|
||
|
|
var app = this;
|
||
|
|
this.trigger('unload');
|
||
|
|
// clear interval
|
||
|
|
this._location_proxy.unbind();
|
||
|
|
// unbind form submits
|
||
|
|
this.$element().unbind('submit').removeClass(app.eventNamespace());
|
||
|
|
// unbind all events
|
||
|
|
$.each(this.listeners.toHash() , function(name, listeners) {
|
||
|
|
$.each(listeners, function(i, listener_callback) {
|
||
|
|
app._unlisten(name, listener_callback);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
this._running = false;
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Not only runs `unbind` but also destroys the app reference.
|
||
|
|
destroy: function() {
|
||
|
|
this.unload();
|
||
|
|
delete Sammy.apps[this.element_selector];
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Will bind a single callback function to every event that is already
|
||
|
|
// being listened to in the app. This includes all the `APP_EVENTS`
|
||
|
|
// as well as any custom events defined with `bind()`.
|
||
|
|
//
|
||
|
|
// Used internally for debug logging.
|
||
|
|
bindToAllEvents: function(callback) {
|
||
|
|
var app = this;
|
||
|
|
// bind to the APP_EVENTS first
|
||
|
|
$.each(this.APP_EVENTS, function(i, e) {
|
||
|
|
app.bind(e, callback);
|
||
|
|
});
|
||
|
|
// next, bind to listener names (only if they dont exist in APP_EVENTS)
|
||
|
|
$.each(this.listeners.keys(true), function(i, name) {
|
||
|
|
if ($.inArray(name, app.APP_EVENTS) == -1) {
|
||
|
|
app.bind(name, callback);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Returns a copy of the given path with any query string after the hash
|
||
|
|
// removed.
|
||
|
|
routablePath: function(path) {
|
||
|
|
return path.replace(QUERY_STRING_MATCHER, '');
|
||
|
|
},
|
||
|
|
|
||
|
|
// Given a verb and a String path, will return either a route object or false
|
||
|
|
// if a matching route can be found within the current defined set.
|
||
|
|
lookupRoute: function(verb, path) {
|
||
|
|
var app = this, routed = false, i = 0, l, route;
|
||
|
|
if (typeof this.routes[verb] != 'undefined') {
|
||
|
|
l = this.routes[verb].length;
|
||
|
|
for (; i < l; i++) {
|
||
|
|
route = this.routes[verb][i];
|
||
|
|
if (app.routablePath(path).match(route.path)) {
|
||
|
|
routed = route;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return routed;
|
||
|
|
},
|
||
|
|
|
||
|
|
// First, invokes `lookupRoute()` and if a route is found, parses the
|
||
|
|
// possible URL params and then invokes the route's callback within a new
|
||
|
|
// `Sammy.EventContext`. If the route can not be found, it calls
|
||
|
|
// `notFound()`. If `raise_errors` is set to `true` and
|
||
|
|
// the `error()` has not been overridden, it will throw an actual JS
|
||
|
|
// error.
|
||
|
|
//
|
||
|
|
// You probably will never have to call this directly.
|
||
|
|
//
|
||
|
|
// ### Arguments
|
||
|
|
//
|
||
|
|
// * `verb` A String for the verb.
|
||
|
|
// * `path` A String path to lookup.
|
||
|
|
// * `params` An Object of Params pulled from the URI or passed directly.
|
||
|
|
//
|
||
|
|
// ### Returns
|
||
|
|
//
|
||
|
|
// Either returns the value returned by the route callback or raises a 404 Not Found error.
|
||
|
|
//
|
||
|
|
runRoute: function(verb, path, params, target) {
|
||
|
|
var app = this,
|
||
|
|
route = this.lookupRoute(verb, path),
|
||
|
|
context,
|
||
|
|
wrapped_route,
|
||
|
|
arounds,
|
||
|
|
around,
|
||
|
|
befores,
|
||
|
|
before,
|
||
|
|
callback_args,
|
||
|
|
path_params,
|
||
|
|
final_returned;
|
||
|
|
|
||
|
|
if (this.debug) {
|
||
|
|
this.log('runRoute', [verb, path].join(' '));
|
||
|
|
}
|
||
|
|
|
||
|
|
this.trigger('run-route', {verb: verb, path: path, params: params});
|
||
|
|
if (typeof params == 'undefined') { params = {}; }
|
||
|
|
|
||
|
|
$.extend(params, this._parseQueryString(path));
|
||
|
|
|
||
|
|
if (route) {
|
||
|
|
this.trigger('route-found', {route: route});
|
||
|
|
// pull out the params from the path
|
||
|
|
if ((path_params = route.path.exec(this.routablePath(path))) !== null) {
|
||
|
|
// first match is the full path
|
||
|
|
path_params.shift();
|
||
|
|
// for each of the matches
|
||
|
|
$.each(path_params, function(i, param) {
|
||
|
|
// if theres a matching param name
|
||
|
|
if (route.param_names[i]) {
|
||
|
|
// set the name to the match
|
||
|
|
params[route.param_names[i]] = _decode(param);
|
||
|
|
} else {
|
||
|
|
// initialize 'splat'
|
||
|
|
if (!params.splat) { params.splat = []; }
|
||
|
|
params.splat.push(_decode(param));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// set event context
|
||
|
|
context = new this.context_prototype(this, verb, path, params, target);
|
||
|
|
// ensure arrays
|
||
|
|
arounds = this.arounds.slice(0);
|
||
|
|
befores = this.befores.slice(0);
|
||
|
|
// set the callback args to the context + contents of the splat
|
||
|
|
callback_args = [context];
|
||
|
|
if (params.splat) {
|
||
|
|
callback_args = callback_args.concat(params.splat);
|
||
|
|
}
|
||
|
|
// wrap the route up with the before filters
|
||
|
|
wrapped_route = function() {
|
||
|
|
var returned, i, nextRoute;
|
||
|
|
while (befores.length > 0) {
|
||
|
|
before = befores.shift();
|
||
|
|
// check the options
|
||
|
|
if (app.contextMatchesOptions(context, before[0])) {
|
||
|
|
returned = before[1].apply(context, [context]);
|
||
|
|
if (returned === false) { return false; }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
app.last_route = route;
|
||
|
|
context.trigger('event-context-before', {context: context});
|
||
|
|
// run multiple callbacks
|
||
|
|
if (typeof(route.callback) === "function") {
|
||
|
|
route.callback = [route.callback];
|
||
|
|
}
|
||
|
|
if (route.callback && route.callback.length) {
|
||
|
|
i = -1;
|
||
|
|
nextRoute = function() {
|
||
|
|
i++;
|
||
|
|
if (route.callback[i]) {
|
||
|
|
returned = route.callback[i].apply(context,callback_args);
|
||
|
|
} else if (app._onComplete && typeof(app._onComplete === "function")) {
|
||
|
|
app._onComplete(context);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
callback_args.push(nextRoute);
|
||
|
|
nextRoute();
|
||
|
|
}
|
||
|
|
context.trigger('event-context-after', {context: context});
|
||
|
|
return returned;
|
||
|
|
};
|
||
|
|
$.each(arounds.reverse(), function(i, around) {
|
||
|
|
var last_wrapped_route = wrapped_route;
|
||
|
|
wrapped_route = function() { return around.apply(context, [last_wrapped_route]); };
|
||
|
|
});
|
||
|
|
try {
|
||
|
|
final_returned = wrapped_route();
|
||
|
|
} catch(e) {
|
||
|
|
this.error(['500 Error', verb, path].join(' '), e);
|
||
|
|
}
|
||
|
|
return final_returned;
|
||
|
|
} else {
|
||
|
|
return this.notFound(verb, path);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// Matches an object of options against an `EventContext` like object that
|
||
|
|
// contains `path` and `verb` attributes. Internally Sammy uses this
|
||
|
|
// for matching `before()` filters against specific options. You can set the
|
||
|
|
// object to _only_ match certain paths or verbs, or match all paths or verbs _except_
|
||
|
|
// those that match the options.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// var app = $.sammy(),
|
||
|
|
// context = {verb: 'get', path: '#/mypath'};
|
||
|
|
//
|
||
|
|
// // match against a path string
|
||
|
|
// app.contextMatchesOptions(context, '#/mypath'); //=> true
|
||
|
|
// app.contextMatchesOptions(context, '#/otherpath'); //=> false
|
||
|
|
// // equivalent to
|
||
|
|
// app.contextMatchesOptions(context, {only: {path:'#/mypath'}}); //=> true
|
||
|
|
// app.contextMatchesOptions(context, {only: {path:'#/otherpath'}}); //=> false
|
||
|
|
// // match against a path regexp
|
||
|
|
// app.contextMatchesOptions(context, /path/); //=> true
|
||
|
|
// app.contextMatchesOptions(context, /^path/); //=> false
|
||
|
|
// // match only a verb
|
||
|
|
// app.contextMatchesOptions(context, {only: {verb:'get'}}); //=> true
|
||
|
|
// app.contextMatchesOptions(context, {only: {verb:'post'}}); //=> false
|
||
|
|
// // match all except a verb
|
||
|
|
// app.contextMatchesOptions(context, {except: {verb:'post'}}); //=> true
|
||
|
|
// app.contextMatchesOptions(context, {except: {verb:'get'}}); //=> false
|
||
|
|
// // match all except a path
|
||
|
|
// app.contextMatchesOptions(context, {except: {path:'#/otherpath'}}); //=> true
|
||
|
|
// app.contextMatchesOptions(context, {except: {path:'#/mypath'}}); //=> false
|
||
|
|
// // match multiple paths
|
||
|
|
// app.contextMatchesOptions(context, {path: ['#/mypath', '#/otherpath']}); //=> true
|
||
|
|
// app.contextMatchesOptions(context, {path: ['#/otherpath', '#/thirdpath']}); //=> false
|
||
|
|
// // equivalent to
|
||
|
|
// app.contextMatchesOptions(context, {only: {path: ['#/mypath', '#/otherpath']}}); //=> true
|
||
|
|
// app.contextMatchesOptions(context, {only: {path: ['#/otherpath', '#/thirdpath']}}); //=> false
|
||
|
|
// // match all except multiple paths
|
||
|
|
// app.contextMatchesOptions(context, {except: {path: ['#/mypath', '#/otherpath']}}); //=> false
|
||
|
|
// app.contextMatchesOptions(context, {except: {path: ['#/otherpath', '#/thirdpath']}}); //=> true
|
||
|
|
//
|
||
|
|
contextMatchesOptions: function(context, match_options, positive) {
|
||
|
|
var options = match_options;
|
||
|
|
// normalize options
|
||
|
|
if (typeof options === 'string' || _isRegExp(options)) {
|
||
|
|
options = {path: options};
|
||
|
|
}
|
||
|
|
if (typeof positive === 'undefined') {
|
||
|
|
positive = true;
|
||
|
|
}
|
||
|
|
// empty options always match
|
||
|
|
if ($.isEmptyObject(options)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
// Do we have to match against multiple paths?
|
||
|
|
if (_isArray(options.path)){
|
||
|
|
var results, numopt, opts, len;
|
||
|
|
results = [];
|
||
|
|
for (numopt = 0, len = options.path.length; numopt < len; numopt += 1) {
|
||
|
|
opts = $.extend({}, options, {path: options.path[numopt]});
|
||
|
|
results.push(this.contextMatchesOptions(context, opts));
|
||
|
|
}
|
||
|
|
var matched = $.inArray(true, results) > -1 ? true : false;
|
||
|
|
return positive ? matched : !matched;
|
||
|
|
}
|
||
|
|
if (options.only) {
|
||
|
|
return this.contextMatchesOptions(context, options.only, true);
|
||
|
|
} else if (options.except) {
|
||
|
|
return this.contextMatchesOptions(context, options.except, false);
|
||
|
|
}
|
||
|
|
var path_matched = true, verb_matched = true;
|
||
|
|
if (options.path) {
|
||
|
|
if (!_isRegExp(options.path)) {
|
||
|
|
options.path = new RegExp(options.path.toString() + '$');
|
||
|
|
}
|
||
|
|
path_matched = options.path.test(context.path);
|
||
|
|
}
|
||
|
|
if (options.verb) {
|
||
|
|
if(typeof options.verb === 'string') {
|
||
|
|
verb_matched = options.verb === context.verb;
|
||
|
|
} else {
|
||
|
|
verb_matched = options.verb.indexOf(context.verb) > -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return positive ? (verb_matched && path_matched) : !(verb_matched && path_matched);
|
||
|
|
},
|
||
|
|
|
||
|
|
|
||
|
|
// Delegates to the `location_proxy` to get the current location.
|
||
|
|
// See `Sammy.DefaultLocationProxy` for more info on location proxies.
|
||
|
|
getLocation: function() {
|
||
|
|
return this._location_proxy.getLocation();
|
||
|
|
},
|
||
|
|
|
||
|
|
// Delegates to the `location_proxy` to set the current location.
|
||
|
|
// See `Sammy.DefaultLocationProxy` for more info on location proxies.
|
||
|
|
//
|
||
|
|
// ### Arguments
|
||
|
|
//
|
||
|
|
// * `new_location` A new location string (e.g. '#/')
|
||
|
|
//
|
||
|
|
setLocation: function(new_location) {
|
||
|
|
return this._location_proxy.setLocation(new_location);
|
||
|
|
},
|
||
|
|
|
||
|
|
// Swaps the content of `$element()` with `content`
|
||
|
|
// You can override this method to provide an alternate swap behavior
|
||
|
|
// for `EventContext.partial()`.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// var app = $.sammy(function() {
|
||
|
|
//
|
||
|
|
// // implements a 'fade out'/'fade in'
|
||
|
|
// this.swap = function(content, callback) {
|
||
|
|
// var context = this;
|
||
|
|
// context.$element().fadeOut('slow', function() {
|
||
|
|
// context.$element().html(content);
|
||
|
|
// context.$element().fadeIn('slow', function() {
|
||
|
|
// if (callback) {
|
||
|
|
// callback.apply();
|
||
|
|
// }
|
||
|
|
// });
|
||
|
|
// });
|
||
|
|
// };
|
||
|
|
//
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
swap: function(content, callback) {
|
||
|
|
var $el = this.$element().html(content);
|
||
|
|
if (_isFunction(callback)) { callback(content); }
|
||
|
|
return $el;
|
||
|
|
},
|
||
|
|
|
||
|
|
// a simple global cache for templates. Uses the same semantics as
|
||
|
|
// `Sammy.Cache` and `Sammy.Storage` so can easily be replaced with
|
||
|
|
// a persistent storage that lasts beyond the current request.
|
||
|
|
templateCache: function(key, value) {
|
||
|
|
if (typeof value != 'undefined') {
|
||
|
|
return _template_cache[key] = value;
|
||
|
|
} else {
|
||
|
|
return _template_cache[key];
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// clear the templateCache
|
||
|
|
clearTemplateCache: function() {
|
||
|
|
return (_template_cache = {});
|
||
|
|
},
|
||
|
|
|
||
|
|
// This throws a '404 Not Found' error by invoking `error()`.
|
||
|
|
// Override this method or `error()` to provide custom
|
||
|
|
// 404 behavior (i.e redirecting to / or showing a warning)
|
||
|
|
notFound: function(verb, path) {
|
||
|
|
var ret = this.error(['404 Not Found', verb, path].join(' '));
|
||
|
|
return (verb === 'get') ? ret : true;
|
||
|
|
},
|
||
|
|
|
||
|
|
// The base error handler takes a string `message` and an `Error`
|
||
|
|
// object. If `raise_errors` is set to `true` on the app level,
|
||
|
|
// this will re-throw the error to the browser. Otherwise it will send the error
|
||
|
|
// to `log()`. Override this method to provide custom error handling
|
||
|
|
// e.g logging to a server side component or displaying some feedback to the
|
||
|
|
// user.
|
||
|
|
error: function(message, original_error) {
|
||
|
|
if (!original_error) { original_error = new Error(); }
|
||
|
|
original_error.message = [message, original_error.message].join(' ');
|
||
|
|
this.trigger('error', {message: original_error.message, error: original_error});
|
||
|
|
if (this.raise_errors) {
|
||
|
|
throw(original_error);
|
||
|
|
} else {
|
||
|
|
this.log(original_error.message, original_error);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
_checkLocation: function() {
|
||
|
|
var location, returned;
|
||
|
|
// get current location
|
||
|
|
location = this.getLocation();
|
||
|
|
// compare to see if hash has changed
|
||
|
|
if (!this.last_location || this.last_location[0] != 'get' || this.last_location[1] != location) {
|
||
|
|
// reset last location
|
||
|
|
this.last_location = ['get', location];
|
||
|
|
// lookup route for current hash
|
||
|
|
returned = this.runRoute('get', location);
|
||
|
|
}
|
||
|
|
return returned;
|
||
|
|
},
|
||
|
|
|
||
|
|
_getFormVerb: function(form) {
|
||
|
|
var $form = $(form), verb, $_method;
|
||
|
|
$_method = $form.find('input[name="_method"]');
|
||
|
|
if ($_method.length > 0) { verb = $_method.val(); }
|
||
|
|
if (!verb) { verb = $form[0].getAttribute('method'); }
|
||
|
|
if (!verb || verb === '') { verb = 'get'; }
|
||
|
|
return $.trim(verb.toString().toLowerCase());
|
||
|
|
},
|
||
|
|
|
||
|
|
_checkFormSubmission: function(form) {
|
||
|
|
var $form, path, verb, params, returned;
|
||
|
|
this.trigger('check-form-submission', {form: form});
|
||
|
|
$form = $(form);
|
||
|
|
path = $form.attr('action') || '';
|
||
|
|
verb = this._getFormVerb($form);
|
||
|
|
|
||
|
|
if (this.debug) {
|
||
|
|
this.log('_checkFormSubmission', $form, path, verb);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (verb === 'get') {
|
||
|
|
params = this._serializeFormParams($form);
|
||
|
|
if (params !== '') { path += '?' + params; }
|
||
|
|
this.setLocation(path);
|
||
|
|
returned = false;
|
||
|
|
} else {
|
||
|
|
params = $.extend({}, this._parseFormParams($form));
|
||
|
|
returned = this.runRoute(verb, path, params, form.get(0));
|
||
|
|
}
|
||
|
|
return (typeof returned == 'undefined') ? false : returned;
|
||
|
|
},
|
||
|
|
|
||
|
|
_serializeFormParams: function($form) {
|
||
|
|
var queryString = "",
|
||
|
|
fields = $form.serializeArray(),
|
||
|
|
i;
|
||
|
|
if (fields.length > 0) {
|
||
|
|
queryString = this._encodeFormPair(fields[0].name, fields[0].value);
|
||
|
|
for (i = 1; i < fields.length; i++) {
|
||
|
|
queryString = queryString + "&" + this._encodeFormPair(fields[i].name, fields[i].value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return queryString;
|
||
|
|
},
|
||
|
|
|
||
|
|
_encodeFormPair: function(name, value){
|
||
|
|
return _encode(name) + "=" + _encode(value);
|
||
|
|
},
|
||
|
|
|
||
|
|
_parseFormParams: function($form) {
|
||
|
|
var params = {},
|
||
|
|
form_fields = $form.serializeArray(),
|
||
|
|
i;
|
||
|
|
for (i = 0; i < form_fields.length; i++) {
|
||
|
|
params = this._parseParamPair(params, form_fields[i].name, form_fields[i].value);
|
||
|
|
}
|
||
|
|
return params;
|
||
|
|
},
|
||
|
|
|
||
|
|
_parseQueryString: function(path) {
|
||
|
|
var params = {}, parts, pairs, pair, i;
|
||
|
|
|
||
|
|
parts = path.match(QUERY_STRING_MATCHER);
|
||
|
|
if (parts && parts[1]) {
|
||
|
|
pairs = parts[1].split('&');
|
||
|
|
for (i = 0; i < pairs.length; i++) {
|
||
|
|
pair = pairs[i].split('=');
|
||
|
|
params = this._parseParamPair(params, _decode(pair[0]), _decode(pair[1] || ""));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return params;
|
||
|
|
},
|
||
|
|
|
||
|
|
_parseParamPair: function(params, key, value) {
|
||
|
|
if (typeof params[key] !== 'undefined') {
|
||
|
|
if (_isArray(params[key])) {
|
||
|
|
params[key].push(value);
|
||
|
|
} else {
|
||
|
|
params[key] = [params[key], value];
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
params[key] = value;
|
||
|
|
}
|
||
|
|
return params;
|
||
|
|
},
|
||
|
|
|
||
|
|
_listen: function(name, callback) {
|
||
|
|
return this.$element().bind([name, this.eventNamespace()].join('.'), callback);
|
||
|
|
},
|
||
|
|
|
||
|
|
_unlisten: function(name, callback) {
|
||
|
|
return this.$element().unbind([name, this.eventNamespace()].join('.'), callback);
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
// `Sammy.RenderContext` is an object that makes sequential template loading,
|
||
|
|
// rendering and interpolation seamless even when dealing with asynchronous
|
||
|
|
// operations.
|
||
|
|
//
|
||
|
|
// `RenderContext` objects are not usually created directly, rather they are
|
||
|
|
// instantiated from an `Sammy.EventContext` by using `render()`, `load()` or
|
||
|
|
// `partial()` which all return `RenderContext` objects.
|
||
|
|
//
|
||
|
|
// `RenderContext` methods always returns a modified `RenderContext`
|
||
|
|
// for chaining (like jQuery itself).
|
||
|
|
//
|
||
|
|
// The core magic is in the `then()` method which puts the callback passed as
|
||
|
|
// an argument into a queue to be executed once the previous callback is complete.
|
||
|
|
// All the methods of `RenderContext` are wrapped in `then()` which allows you
|
||
|
|
// to queue up methods by chaining, but maintaining a guaranteed execution order
|
||
|
|
// even with remote calls to fetch templates.
|
||
|
|
//
|
||
|
|
Sammy.RenderContext = function(event_context) {
|
||
|
|
this.event_context = event_context;
|
||
|
|
this.callbacks = [];
|
||
|
|
this.previous_content = null;
|
||
|
|
this.content = null;
|
||
|
|
this.next_engine = false;
|
||
|
|
this.waiting = false;
|
||
|
|
};
|
||
|
|
|
||
|
|
Sammy.RenderContext.prototype = $.extend({}, Sammy.Object.prototype, {
|
||
|
|
|
||
|
|
// The "core" of the `RenderContext` object, adds the `callback` to the
|
||
|
|
// queue. If the context is `waiting` (meaning an async operation is happening)
|
||
|
|
// then the callback will be executed in order, once the other operations are
|
||
|
|
// complete. If there is no currently executing operation, the `callback`
|
||
|
|
// is executed immediately.
|
||
|
|
//
|
||
|
|
// The value returned from the callback is stored in `content` for the
|
||
|
|
// subsequent operation. If you return `false`, the queue will pause, and
|
||
|
|
// the next callback in the queue will not be executed until `next()` is
|
||
|
|
// called. This allows for the guaranteed order of execution while working
|
||
|
|
// with async operations.
|
||
|
|
//
|
||
|
|
// If then() is passed a string instead of a function, the string is looked
|
||
|
|
// up as a helper method on the event context.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// this.get('#/', function() {
|
||
|
|
// // initialize the RenderContext
|
||
|
|
// // Even though `load()` executes async, the next `then()`
|
||
|
|
// // wont execute until the load finishes
|
||
|
|
// this.load('myfile.txt')
|
||
|
|
// .then(function(content) {
|
||
|
|
// // the first argument to then is the content of the
|
||
|
|
// // prev operation
|
||
|
|
// $('#main').html(content);
|
||
|
|
// });
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
then: function(callback) {
|
||
|
|
if (!_isFunction(callback)) {
|
||
|
|
// if a string is passed to then, assume we want to call
|
||
|
|
// a helper on the event context in its context
|
||
|
|
if (typeof callback === 'string' && callback in this.event_context) {
|
||
|
|
var helper = this.event_context[callback];
|
||
|
|
callback = function(content) {
|
||
|
|
return helper.apply(this.event_context, [content]);
|
||
|
|
};
|
||
|
|
} else {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var context = this;
|
||
|
|
if (this.waiting) {
|
||
|
|
this.callbacks.push(callback);
|
||
|
|
} else {
|
||
|
|
this.wait();
|
||
|
|
window.setTimeout(function() {
|
||
|
|
var returned = callback.apply(context, [context.content, context.previous_content]);
|
||
|
|
if (returned !== false) {
|
||
|
|
context.next(returned);
|
||
|
|
}
|
||
|
|
}, 0);
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Pause the `RenderContext` queue. Combined with `next()` allows for async
|
||
|
|
// operations.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// this.get('#/', function() {
|
||
|
|
// this.load('mytext.json')
|
||
|
|
// .then(function(content) {
|
||
|
|
// var context = this,
|
||
|
|
// data = JSON.parse(content);
|
||
|
|
// // pause execution
|
||
|
|
// context.wait();
|
||
|
|
// // post to a url
|
||
|
|
// $.post(data.url, {}, function(response) {
|
||
|
|
// context.next(JSON.parse(response));
|
||
|
|
// });
|
||
|
|
// })
|
||
|
|
// .then(function(data) {
|
||
|
|
// // data is json from the previous post
|
||
|
|
// $('#message').text(data.status);
|
||
|
|
// });
|
||
|
|
// });
|
||
|
|
wait: function() {
|
||
|
|
this.waiting = true;
|
||
|
|
},
|
||
|
|
|
||
|
|
// Resume the queue, setting `content` to be used in the next operation.
|
||
|
|
// See `wait()` for an example.
|
||
|
|
next: function(content) {
|
||
|
|
this.waiting = false;
|
||
|
|
if (typeof content !== 'undefined') {
|
||
|
|
this.previous_content = this.content;
|
||
|
|
this.content = content;
|
||
|
|
}
|
||
|
|
if (this.callbacks.length > 0) {
|
||
|
|
this.then(this.callbacks.shift());
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// Load a template into the context.
|
||
|
|
// The `location` can either be a string specifying the remote path to the
|
||
|
|
// file, a jQuery object, or a DOM element.
|
||
|
|
//
|
||
|
|
// No interpolation happens by default, the content is stored in
|
||
|
|
// `content`.
|
||
|
|
//
|
||
|
|
// In the case of a path, unless the option `{cache: false}` is passed the
|
||
|
|
// data is stored in the app's `templateCache()`.
|
||
|
|
//
|
||
|
|
// If a jQuery or DOM object is passed the `innerHTML` of the node is pulled in.
|
||
|
|
// This is useful for nesting templates as part of the initial page load wrapped
|
||
|
|
// in invisible elements or `<script>` tags. With template paths, the template
|
||
|
|
// engine is looked up by the extension. For DOM/jQuery embedded templates,
|
||
|
|
// this isnt possible, so there are a couple of options:
|
||
|
|
//
|
||
|
|
// * pass an `{engine:}` option.
|
||
|
|
// * define the engine in the `data-engine` attribute of the passed node.
|
||
|
|
// * just store the raw template data and use `interpolate()` manually
|
||
|
|
//
|
||
|
|
// If a `callback` is passed it is executed after the template load.
|
||
|
|
load: function(location, options, callback) {
|
||
|
|
var context = this;
|
||
|
|
return this.then(function() {
|
||
|
|
var should_cache, cached, is_json, location_array;
|
||
|
|
if (_isFunction(options)) {
|
||
|
|
callback = options;
|
||
|
|
options = {};
|
||
|
|
} else {
|
||
|
|
options = $.extend({}, options);
|
||
|
|
}
|
||
|
|
if (callback) { this.then(callback); }
|
||
|
|
if (typeof location === 'string') {
|
||
|
|
// it's a path
|
||
|
|
is_json = (location.match(/\.json$/) || options.json);
|
||
|
|
should_cache = is_json ? options.cache === true : options.cache !== false;
|
||
|
|
context.next_engine = context.event_context.engineFor(location);
|
||
|
|
delete options.cache;
|
||
|
|
delete options.json;
|
||
|
|
if (options.engine) {
|
||
|
|
context.next_engine = options.engine;
|
||
|
|
delete options.engine;
|
||
|
|
}
|
||
|
|
if (should_cache && (cached = this.event_context.app.templateCache(location))) {
|
||
|
|
return cached;
|
||
|
|
}
|
||
|
|
this.wait();
|
||
|
|
$.ajax($.extend({
|
||
|
|
url: location,
|
||
|
|
data: {},
|
||
|
|
dataType: is_json ? 'json' : 'text',
|
||
|
|
type: 'get',
|
||
|
|
success: function(data) {
|
||
|
|
if (should_cache) {
|
||
|
|
context.event_context.app.templateCache(location, data);
|
||
|
|
}
|
||
|
|
context.next(data);
|
||
|
|
}
|
||
|
|
}, options));
|
||
|
|
return false;
|
||
|
|
} else {
|
||
|
|
// it's a dom/jQuery
|
||
|
|
if (location.nodeType) {
|
||
|
|
return location.innerHTML;
|
||
|
|
}
|
||
|
|
if (location.selector) {
|
||
|
|
// it's a jQuery
|
||
|
|
context.next_engine = location.attr('data-engine');
|
||
|
|
if (options.clone === false) {
|
||
|
|
return location.remove()[0].innerHTML.toString();
|
||
|
|
} else {
|
||
|
|
return location[0].innerHTML.toString();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
|
||
|
|
// Load partials
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// this.loadPartials({mypartial: '/path/to/partial'});
|
||
|
|
//
|
||
|
|
loadPartials: function(partials) {
|
||
|
|
var name;
|
||
|
|
if(partials) {
|
||
|
|
this.partials = this.partials || {};
|
||
|
|
for(name in partials) {
|
||
|
|
(function(context, name) {
|
||
|
|
context.load(partials[name])
|
||
|
|
.then(function(template) {
|
||
|
|
this.partials[name] = template;
|
||
|
|
});
|
||
|
|
})(this, name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// `load()` a template and then `interpolate()` it with data.
|
||
|
|
//
|
||
|
|
// can be called with multiple different signatures:
|
||
|
|
//
|
||
|
|
// this.render(callback);
|
||
|
|
// this.render('/location');
|
||
|
|
// this.render('/location', {some: data});
|
||
|
|
// this.render('/location', callback);
|
||
|
|
// this.render('/location', {some: data}, callback);
|
||
|
|
// this.render('/location', {some: data}, {my: partials});
|
||
|
|
// this.render('/location', callback, {my: partials});
|
||
|
|
// this.render('/location', {some: data}, callback, {my: partials});
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// this.get('#/', function() {
|
||
|
|
// this.render('mytemplate.template', {name: 'test'});
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
render: function(location, data, callback, partials) {
|
||
|
|
if (_isFunction(location) && !data) {
|
||
|
|
// invoked as render(callback)
|
||
|
|
return this.then(location);
|
||
|
|
} else {
|
||
|
|
if(_isFunction(data)) {
|
||
|
|
// invoked as render(location, callback, [partials])
|
||
|
|
partials = callback;
|
||
|
|
callback = data;
|
||
|
|
data = null;
|
||
|
|
} else if(callback && !_isFunction(callback)) {
|
||
|
|
// invoked as render(location, data, partials)
|
||
|
|
partials = callback;
|
||
|
|
callback = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return this.loadPartials(partials)
|
||
|
|
.load(location)
|
||
|
|
.interpolate(data, location)
|
||
|
|
.then(callback);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// `render()` the `location` with `data` and then `swap()` the
|
||
|
|
// app's `$element` with the rendered content.
|
||
|
|
partial: function(location, data, callback, partials) {
|
||
|
|
if (_isFunction(callback)) {
|
||
|
|
// invoked as partial(location, data, callback, [partials])
|
||
|
|
return this.render(location, data, partials).swap(callback);
|
||
|
|
} else if (_isFunction(data)) {
|
||
|
|
// invoked as partial(location, callback, [partials])
|
||
|
|
return this.render(location, {}, callback).swap(data);
|
||
|
|
} else {
|
||
|
|
// invoked as partial(location, data, [partials])
|
||
|
|
return this.render(location, data, callback).swap();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// defers the call of function to occur in order of the render queue.
|
||
|
|
// The function can accept any number of arguments as long as the last
|
||
|
|
// argument is a callback function. This is useful for putting arbitrary
|
||
|
|
// asynchronous functions into the queue. The content passed to the
|
||
|
|
// callback is passed as `content` to the next item in the queue.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// this.send($.getJSON, '/app.json')
|
||
|
|
// .then(function(json) {
|
||
|
|
// $('#message).text(json['message']);
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
//
|
||
|
|
send: function() {
|
||
|
|
var context = this,
|
||
|
|
args = _makeArray(arguments),
|
||
|
|
fun = args.shift();
|
||
|
|
|
||
|
|
if (_isArray(args[0])) { args = args[0]; }
|
||
|
|
|
||
|
|
return this.then(function(content) {
|
||
|
|
args.push(function(response) { context.next(response); });
|
||
|
|
context.wait();
|
||
|
|
fun.apply(fun, args);
|
||
|
|
return false;
|
||
|
|
});
|
||
|
|
},
|
||
|
|
|
||
|
|
// iterates over an array, applying the callback for each item item. the
|
||
|
|
// callback takes the same style of arguments as `jQuery.each()` (index, item).
|
||
|
|
// The return value of each callback is collected as a single string and stored
|
||
|
|
// as `content` to be used in the next iteration of the `RenderContext`.
|
||
|
|
collect: function(array, callback, now) {
|
||
|
|
var context = this;
|
||
|
|
var coll = function() {
|
||
|
|
if (_isFunction(array)) {
|
||
|
|
callback = array;
|
||
|
|
array = this.content;
|
||
|
|
}
|
||
|
|
var contents = [], doms = false;
|
||
|
|
$.each(array, function(i, item) {
|
||
|
|
var returned = callback.apply(context, [i, item]);
|
||
|
|
if (returned.jquery && returned.length == 1) {
|
||
|
|
returned = returned[0];
|
||
|
|
doms = true;
|
||
|
|
}
|
||
|
|
contents.push(returned);
|
||
|
|
return returned;
|
||
|
|
});
|
||
|
|
return doms ? contents : contents.join('');
|
||
|
|
};
|
||
|
|
return now ? coll() : this.then(coll);
|
||
|
|
},
|
||
|
|
|
||
|
|
// loads a template, and then interpolates it for each item in the `data`
|
||
|
|
// array. If a callback is passed, it will call the callback with each
|
||
|
|
// item in the array _after_ interpolation
|
||
|
|
renderEach: function(location, name, data, callback) {
|
||
|
|
if (_isArray(name)) {
|
||
|
|
callback = data;
|
||
|
|
data = name;
|
||
|
|
name = null;
|
||
|
|
}
|
||
|
|
return this.load(location).then(function(content) {
|
||
|
|
var rctx = this;
|
||
|
|
if (!data) {
|
||
|
|
data = _isArray(this.previous_content) ? this.previous_content : [];
|
||
|
|
}
|
||
|
|
if (callback) {
|
||
|
|
$.each(data, function(i, value) {
|
||
|
|
var idata = {}, engine = this.next_engine || location;
|
||
|
|
if (name) {
|
||
|
|
idata[name] = value;
|
||
|
|
} else {
|
||
|
|
idata = value;
|
||
|
|
}
|
||
|
|
callback(value, rctx.event_context.interpolate(content, idata, engine));
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
return this.collect(data, function(i, value) {
|
||
|
|
var idata = {}, engine = this.next_engine || location;
|
||
|
|
if (name) {
|
||
|
|
idata[name] = value;
|
||
|
|
} else {
|
||
|
|
idata = value;
|
||
|
|
}
|
||
|
|
return this.event_context.interpolate(content, idata, engine);
|
||
|
|
}, true);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
|
||
|
|
// uses the previous loaded `content` and the `data` object to interpolate
|
||
|
|
// a template. `engine` defines the templating/interpolation method/engine
|
||
|
|
// that should be used. If `engine` is not passed, the `next_engine` is
|
||
|
|
// used. If `retain` is `true`, the final interpolated data is appended to
|
||
|
|
// the `previous_content` instead of just replacing it.
|
||
|
|
interpolate: function(data, engine, retain) {
|
||
|
|
var context = this;
|
||
|
|
return this.then(function(content, prev) {
|
||
|
|
if (!data && prev) { data = prev; }
|
||
|
|
if (this.next_engine) {
|
||
|
|
engine = this.next_engine;
|
||
|
|
this.next_engine = false;
|
||
|
|
}
|
||
|
|
var rendered = context.event_context.interpolate(content, data, engine, this.partials);
|
||
|
|
return retain ? prev + rendered : rendered;
|
||
|
|
});
|
||
|
|
},
|
||
|
|
|
||
|
|
// Swap the return contents ensuring order. See `Application#swap`
|
||
|
|
swap: function(callback) {
|
||
|
|
return this.then(function(content) {
|
||
|
|
this.event_context.swap(content, callback);
|
||
|
|
return content;
|
||
|
|
}).trigger('changed', {});
|
||
|
|
},
|
||
|
|
|
||
|
|
// Same usage as `jQuery.fn.appendTo()` but uses `then()` to ensure order
|
||
|
|
appendTo: function(selector) {
|
||
|
|
return this.then(function(content) {
|
||
|
|
$(selector).append(content);
|
||
|
|
}).trigger('changed', {});
|
||
|
|
},
|
||
|
|
|
||
|
|
// Same usage as `jQuery.fn.prependTo()` but uses `then()` to ensure order
|
||
|
|
prependTo: function(selector) {
|
||
|
|
return this.then(function(content) {
|
||
|
|
$(selector).prepend(content);
|
||
|
|
}).trigger('changed', {});
|
||
|
|
},
|
||
|
|
|
||
|
|
// Replaces the `$(selector)` using `html()` with the previously loaded
|
||
|
|
// `content`
|
||
|
|
replace: function(selector) {
|
||
|
|
return this.then(function(content) {
|
||
|
|
$(selector).html(content);
|
||
|
|
}).trigger('changed', {});
|
||
|
|
},
|
||
|
|
|
||
|
|
// trigger the event in the order of the event context. Same semantics
|
||
|
|
// as `Sammy.EventContext#trigger()`. If data is omitted, `content`
|
||
|
|
// is sent as `{content: content}`
|
||
|
|
trigger: function(name, data) {
|
||
|
|
return this.then(function(content) {
|
||
|
|
if (typeof data == 'undefined') { data = {content: content}; }
|
||
|
|
this.event_context.trigger(name, data);
|
||
|
|
return content;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
// `Sammy.EventContext` objects are created every time a route is run or a
|
||
|
|
// bound event is triggered. The callbacks for these events are evaluated within a `Sammy.EventContext`
|
||
|
|
// This within these callbacks the special methods of `EventContext` are available.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// $.sammy(function() {
|
||
|
|
// // The context here is this Sammy.Application
|
||
|
|
// this.get('#/:name', function() {
|
||
|
|
// // The context here is a new Sammy.EventContext
|
||
|
|
// if (this.params['name'] == 'sammy') {
|
||
|
|
// this.partial('name.html.erb', {name: 'Sammy'});
|
||
|
|
// } else {
|
||
|
|
// this.redirect('#/somewhere-else')
|
||
|
|
// }
|
||
|
|
// });
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// Initialize a new EventContext
|
||
|
|
//
|
||
|
|
// ### Arguments
|
||
|
|
//
|
||
|
|
// * `app` The `Sammy.Application` this event is called within.
|
||
|
|
// * `verb` The verb invoked to run this context/route.
|
||
|
|
// * `path` The string path invoked to run this context/route.
|
||
|
|
// * `params` An Object of optional params to pass to the context. Is converted
|
||
|
|
// to a `Sammy.Object`.
|
||
|
|
// * `target` a DOM element that the event that holds this context originates
|
||
|
|
// from. For post, put and del routes, this is the form element that triggered
|
||
|
|
// the route.
|
||
|
|
//
|
||
|
|
Sammy.EventContext = function(app, verb, path, params, target) {
|
||
|
|
this.app = app;
|
||
|
|
this.verb = verb;
|
||
|
|
this.path = path;
|
||
|
|
this.params = new Sammy.Object(params);
|
||
|
|
this.target = target;
|
||
|
|
};
|
||
|
|
|
||
|
|
Sammy.EventContext.prototype = $.extend({}, Sammy.Object.prototype, {
|
||
|
|
|
||
|
|
// A shortcut to the app's `$element()`
|
||
|
|
$element: function() {
|
||
|
|
return this.app.$element(_makeArray(arguments).shift());
|
||
|
|
},
|
||
|
|
|
||
|
|
// Look up a templating engine within the current app and context.
|
||
|
|
// `engine` can be one of the following:
|
||
|
|
//
|
||
|
|
// * a function: should conform to `function(content, data) { return interpolated; }`
|
||
|
|
// * a template path: 'template.ejs', looks up the extension to match to
|
||
|
|
// the `ejs()` helper
|
||
|
|
// * a string referring to the helper: "mustache" => `mustache()`
|
||
|
|
//
|
||
|
|
// If no engine is found, use the app's default `template_engine`
|
||
|
|
//
|
||
|
|
engineFor: function(engine) {
|
||
|
|
var context = this, engine_match;
|
||
|
|
// if path is actually an engine function just return it
|
||
|
|
if (_isFunction(engine)) { return engine; }
|
||
|
|
// lookup engine name by path extension
|
||
|
|
engine = (engine || context.app.template_engine).toString();
|
||
|
|
if ((engine_match = engine.match(/\.([^\.\?\#]+)$/))) {
|
||
|
|
engine = engine_match[1];
|
||
|
|
}
|
||
|
|
// set the engine to the default template engine if no match is found
|
||
|
|
if (engine && _isFunction(context[engine])) {
|
||
|
|
return context[engine];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (context.app.template_engine) {
|
||
|
|
return this.engineFor(context.app.template_engine);
|
||
|
|
}
|
||
|
|
return function(content, data) { return content; };
|
||
|
|
},
|
||
|
|
|
||
|
|
// using the template `engine` found with `engineFor()`, interpolate the
|
||
|
|
// `data` into `content`
|
||
|
|
interpolate: function(content, data, engine, partials) {
|
||
|
|
return this.engineFor(engine).apply(this, [content, data, partials]);
|
||
|
|
},
|
||
|
|
|
||
|
|
// Create and return a `Sammy.RenderContext` calling `render()` on it.
|
||
|
|
// Loads the template and interpolate the data, however does not actual
|
||
|
|
// place it in the DOM.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// // mytemplate.mustache <div class="name">{{name}}</div>
|
||
|
|
// render('mytemplate.mustache', {name: 'quirkey'});
|
||
|
|
// // sets the `content` to <div class="name">quirkey</div>
|
||
|
|
// render('mytemplate.mustache', {name: 'quirkey'})
|
||
|
|
// .appendTo('ul');
|
||
|
|
// // appends the rendered content to $('ul')
|
||
|
|
//
|
||
|
|
render: function(location, data, callback, partials) {
|
||
|
|
return new Sammy.RenderContext(this).render(location, data, callback, partials);
|
||
|
|
},
|
||
|
|
|
||
|
|
// Create and return a `Sammy.RenderContext` calling `renderEach()` on it.
|
||
|
|
// Loads the template and interpolates the data for each item,
|
||
|
|
// however does not actual place it in the DOM.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// // mytemplate.mustache <div class="name">{{name}}</div>
|
||
|
|
// renderEach('mytemplate.mustache', [{name: 'quirkey'}, {name: 'endor'}])
|
||
|
|
// // sets the `content` to <div class="name">quirkey</div><div class="name">endor</div>
|
||
|
|
// renderEach('mytemplate.mustache', [{name: 'quirkey'}, {name: 'endor'}]).appendTo('ul');
|
||
|
|
// // appends the rendered content to $('ul')
|
||
|
|
//
|
||
|
|
renderEach: function(location, name, data, callback) {
|
||
|
|
return new Sammy.RenderContext(this).renderEach(location, name, data, callback);
|
||
|
|
},
|
||
|
|
|
||
|
|
// create a new `Sammy.RenderContext` calling `load()` with `location` and
|
||
|
|
// `options`. Called without interpolation or placement, this allows for
|
||
|
|
// preloading/caching the templates.
|
||
|
|
load: function(location, options, callback) {
|
||
|
|
return new Sammy.RenderContext(this).load(location, options, callback);
|
||
|
|
},
|
||
|
|
|
||
|
|
// create a new `Sammy.RenderContext` calling `loadPartials()` with `partials`.
|
||
|
|
loadPartials: function(partials) {
|
||
|
|
return new Sammy.RenderContext(this).loadPartials(partials);
|
||
|
|
},
|
||
|
|
|
||
|
|
// `render()` the `location` with `data` and then `swap()` the
|
||
|
|
// app's `$element` with the rendered content.
|
||
|
|
partial: function(location, data, callback, partials) {
|
||
|
|
return new Sammy.RenderContext(this).partial(location, data, callback, partials);
|
||
|
|
},
|
||
|
|
|
||
|
|
// create a new `Sammy.RenderContext` calling `send()` with an arbitrary
|
||
|
|
// function
|
||
|
|
send: function() {
|
||
|
|
var rctx = new Sammy.RenderContext(this);
|
||
|
|
return rctx.send.apply(rctx, arguments);
|
||
|
|
},
|
||
|
|
|
||
|
|
// Changes the location of the current window. If `to` begins with
|
||
|
|
// '#' it only changes the document's hash. If passed more than 1 argument
|
||
|
|
// redirect will join them together with forward slashes.
|
||
|
|
//
|
||
|
|
// ### Example
|
||
|
|
//
|
||
|
|
// redirect('#/other/route');
|
||
|
|
// // equivalent to
|
||
|
|
// redirect('#', 'other', 'route');
|
||
|
|
//
|
||
|
|
redirect: function() {
|
||
|
|
var to, args = _makeArray(arguments),
|
||
|
|
current_location = this.app.getLocation(),
|
||
|
|
l = args.length;
|
||
|
|
if (l > 1) {
|
||
|
|
var i = 0, paths = [], pairs = [], params = {}, has_params = false;
|
||
|
|
for (; i < l; i++) {
|
||
|
|
if (typeof args[i] == 'string') {
|
||
|
|
paths.push(args[i]);
|
||
|
|
} else {
|
||
|
|
$.extend(params, args[i]);
|
||
|
|
has_params = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
to = paths.join('/');
|
||
|
|
if (has_params) {
|
||
|
|
for (var k in params) {
|
||
|
|
pairs.push(this.app._encodeFormPair(k, params[k]));
|
||
|
|
}
|
||
|
|
to += '?' + pairs.join('&');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
to = args[0];
|
||
|
|
}
|
||
|
|
this.trigger('redirect', {to: to});
|
||
|
|
this.app.last_location = [this.verb, this.path];
|
||
|
|
this.app.setLocation(to);
|
||
|
|
if (new RegExp(to).test(current_location)) {
|
||
|
|
this.app.trigger('location-changed');
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// Triggers events on `app` within the current context.
|
||
|
|
trigger: function(name, data) {
|
||
|
|
if (typeof data == 'undefined') { data = {}; }
|
||
|
|
if (!data.context) { data.context = this; }
|
||
|
|
return this.app.trigger(name, data);
|
||
|
|
},
|
||
|
|
|
||
|
|
// A shortcut to app's `eventNamespace()`
|
||
|
|
eventNamespace: function() {
|
||
|
|
return this.app.eventNamespace();
|
||
|
|
},
|
||
|
|
|
||
|
|
// A shortcut to app's `swap()`
|
||
|
|
swap: function(contents, callback) {
|
||
|
|
return this.app.swap(contents, callback);
|
||
|
|
},
|
||
|
|
|
||
|
|
// Raises a possible `notFound()` error for the current path.
|
||
|
|
notFound: function() {
|
||
|
|
return this.app.notFound(this.verb, this.path);
|
||
|
|
},
|
||
|
|
|
||
|
|
// Default JSON parsing uses jQuery's `parseJSON()`. Include `Sammy.JSON`
|
||
|
|
// plugin for the more conformant "crockford special".
|
||
|
|
json: function(string) {
|
||
|
|
return $.parseJSON(string);
|
||
|
|
},
|
||
|
|
|
||
|
|
// //=> Sammy.EventContext: get #/ {}
|
||
|
|
toString: function() {
|
||
|
|
return "Sammy.EventContext: " + [this.verb, this.path, this.params].join(' ');
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
return Sammy;
|
||
|
|
});
|