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2  .gitignore
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+/node_modules/
+/.build-catalog.json
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2,988 dist/cm-movie-full.js
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+// Underscore.js 1.4.3
+// http://underscorejs.org
+// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
+// Underscore may be freely distributed under the MIT license.
+
+(function() {
+
+ // Baseline setup
+ // --------------
+
+ // Establish the root object, `window` in the browser, or `global` on the server.
+ var root = this;
+
+ // Save the previous value of the `_` variable.
+ var previousUnderscore = root._;
+
+ // Establish the object that gets returned to break out of a loop iteration.
+ var breaker = {};
+
+ // Save bytes in the minified (but not gzipped) version:
+ var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+
+ // Create quick reference variables for speed access to core prototypes.
+ var push = ArrayProto.push,
+ slice = ArrayProto.slice,
+ concat = ArrayProto.concat,
+ toString = ObjProto.toString,
+ hasOwnProperty = ObjProto.hasOwnProperty;
+
+ // All **ECMAScript 5** native function implementations that we hope to use
+ // are declared here.
+ var
+ nativeForEach = ArrayProto.forEach,
+ nativeMap = ArrayProto.map,
+ nativeReduce = ArrayProto.reduce,
+ nativeReduceRight = ArrayProto.reduceRight,
+ nativeFilter = ArrayProto.filter,
+ nativeEvery = ArrayProto.every,
+ nativeSome = ArrayProto.some,
+ nativeIndexOf = ArrayProto.indexOf,
+ nativeLastIndexOf = ArrayProto.lastIndexOf,
+ nativeIsArray = Array.isArray,
+ nativeKeys = Object.keys,
+ nativeBind = FuncProto.bind;
+
+ // Create a safe reference to the Underscore object for use below.
+ var _ = function(obj) {
+ if (obj instanceof _) return obj;
+ if (!(this instanceof _)) return new _(obj);
+ this._wrapped = obj;
+ };
+
+ // Export the Underscore object for **Node.js**, with
+ // backwards-compatibility for the old `require()` API. If we're in
+ // the browser, add `_` as a global object via a string identifier,
+ // for Closure Compiler "advanced" mode.
+ if (typeof exports !== 'undefined') {
+ if (typeof module !== 'undefined' && module.exports) {
+ exports = module.exports = _;
+ }
+ exports._ = _;
+ } else {
+ root._ = _;
+ }
+
+ // Current version.
+ _.VERSION = '1.4.3';
+
+ // Collection Functions
+ // --------------------
+
+ // The cornerstone, an `each` implementation, aka `forEach`.
+ // Handles objects with the built-in `forEach`, arrays, and raw objects.
+ // Delegates to **ECMAScript 5**'s native `forEach` if available.
+ var each = _.each = _.forEach = function(obj, iterator, context) {
+ if (obj == null) return;
+ if (nativeForEach && obj.forEach === nativeForEach) {
+ obj.forEach(iterator, context);
+ } else if (obj.length === +obj.length) {
+ for (var i = 0, l = obj.length; i < l; i++) {
+ if (iterator.call(context, obj[i], i, obj) === breaker) return;
+ }
+ } else {
+ for (var key in obj) {
+ if (_.has(obj, key)) {
+ if (iterator.call(context, obj[key], key, obj) === breaker) return;
+ }
+ }
+ }
+ };
+
+ // Return the results of applying the iterator to each element.
+ // Delegates to **ECMAScript 5**'s native `map` if available.
+ _.map = _.collect = function(obj, iterator, context) {
+ var results = [];
+ if (obj == null) return results;
+ if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
+ each(obj, function(value, index, list) {
+ results[results.length] = iterator.call(context, value, index, list);
+ });
+ return results;
+ };
+
+ var reduceError = 'Reduce of empty array with no initial value';
+
+ // **Reduce** builds up a single result from a list of values, aka `inject`,
+ // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
+ _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
+ var initial = arguments.length > 2;
+ if (obj == null) obj = [];
+ if (nativeReduce && obj.reduce === nativeReduce) {
+ if (context) iterator = _.bind(iterator, context);
+ return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
+ }
+ each(obj, function(value, index, list) {
+ if (!initial) {
+ memo = value;
+ initial = true;
+ } else {
+ memo = iterator.call(context, memo, value, index, list);
+ }
+ });
+ if (!initial) throw new TypeError(reduceError);
+ return memo;
+ };
+
+ // The right-associative version of reduce, also known as `foldr`.
+ // Delegates to **ECMAScript 5**'s native `reduceRight` if available.
+ _.reduceRight = _.foldr = function(obj, iterator, memo, context) {
+ var initial = arguments.length > 2;
+ if (obj == null) obj = [];
+ if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
+ if (context) iterator = _.bind(iterator, context);
+ return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
+ }
+ var length = obj.length;
+ if (length !== +length) {
+ var keys = _.keys(obj);
+ length = keys.length;
+ }
+ each(obj, function(value, index, list) {
+ index = keys ? keys[--length] : --length;
+ if (!initial) {
+ memo = obj[index];
+ initial = true;
+ } else {
+ memo = iterator.call(context, memo, obj[index], index, list);
+ }
+ });
+ if (!initial) throw new TypeError(reduceError);
+ return memo;
+ };
+
+ // Return the first value which passes a truth test. Aliased as `detect`.
+ _.find = _.detect = function(obj, iterator, context) {
+ var result;
+ any(obj, function(value, index, list) {
+ if (iterator.call(context, value, index, list)) {
+ result = value;
+ return true;
+ }
+ });
+ return result;
+ };
+
+ // Return all the elements that pass a truth test.
+ // Delegates to **ECMAScript 5**'s native `filter` if available.
+ // Aliased as `select`.
+ _.filter = _.select = function(obj, iterator, context) {
+ var results = [];
+ if (obj == null) return results;
+ if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
+ each(obj, function(value, index, list) {
+ if (iterator.call(context, value, index, list)) results[results.length] = value;
+ });
+ return results;
+ };
+
+ // Return all the elements for which a truth test fails.
+ _.reject = function(obj, iterator, context) {
+ return _.filter(obj, function(value, index, list) {
+ return !iterator.call(context, value, index, list);
+ }, context);
+ };
+
+ // Determine whether all of the elements match a truth test.
+ // Delegates to **ECMAScript 5**'s native `every` if available.
+ // Aliased as `all`.
+ _.every = _.all = function(obj, iterator, context) {
+ iterator || (iterator = _.identity);
+ var result = true;
+ if (obj == null) return result;
+ if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
+ each(obj, function(value, index, list) {
+ if (!(result = result && iterator.call(context, value, index, list))) return breaker;
+ });
+ return !!result;
+ };
+
+ // Determine if at least one element in the object matches a truth test.
+ // Delegates to **ECMAScript 5**'s native `some` if available.
+ // Aliased as `any`.
+ var any = _.some = _.any = function(obj, iterator, context) {
+ iterator || (iterator = _.identity);
+ var result = false;
+ if (obj == null) return result;
+ if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
+ each(obj, function(value, index, list) {
+ if (result || (result = iterator.call(context, value, index, list))) return breaker;
+ });
+ return !!result;
+ };
+
+ // Determine if the array or object contains a given value (using `===`).
+ // Aliased as `include`.
+ _.contains = _.include = function(obj, target) {
+ if (obj == null) return false;
+ if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
+ return any(obj, function(value) {
+ return value === target;
+ });
+ };
+
+ // Invoke a method (with arguments) on every item in a collection.
+ _.invoke = function(obj, method) {
+ var args = slice.call(arguments, 2);
+ return _.map(obj, function(value) {
+ return (_.isFunction(method) ? method : value[method]).apply(value, args);
+ });
+ };
+
+ // Convenience version of a common use case of `map`: fetching a property.
+ _.pluck = function(obj, key) {
+ return _.map(obj, function(value){ return value[key]; });
+ };
+
+ // Convenience version of a common use case of `filter`: selecting only objects
+ // with specific `key:value` pairs.
+ _.where = function(obj, attrs) {
+ if (_.isEmpty(attrs)) return [];
+ return _.filter(obj, function(value) {
+ for (var key in attrs) {
+ if (attrs[key] !== value[key]) return false;
+ }
+ return true;
+ });
+ };
+
+ // Return the maximum element or (element-based computation).
+ // Can't optimize arrays of integers longer than 65,535 elements.
+ // See: https://bugs.webkit.org/show_bug.cgi?id=80797
+ _.max = function(obj, iterator, context) {
+ if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
+ return Math.max.apply(Math, obj);
+ }
+ if (!iterator && _.isEmpty(obj)) return -Infinity;
+ var result = {computed : -Infinity, value: -Infinity};
+ each(obj, function(value, index, list) {
+ var computed = iterator ? iterator.call(context, value, index, list) : value;
+ computed >= result.computed && (result = {value : value, computed : computed});
+ });
+ return result.value;
+ };
+
+ // Return the minimum element (or element-based computation).
+ _.min = function(obj, iterator, context) {
+ if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
+ return Math.min.apply(Math, obj);
+ }
+ if (!iterator && _.isEmpty(obj)) return Infinity;
+ var result = {computed : Infinity, value: Infinity};
+ each(obj, function(value, index, list) {
+ var computed = iterator ? iterator.call(context, value, index, list) : value;
+ computed < result.computed && (result = {value : value, computed : computed});
+ });
+ return result.value;
+ };
+
+ // Shuffle an array.
+ _.shuffle = function(obj) {
+ var rand;
+ var index = 0;
+ var shuffled = [];
+ each(obj, function(value) {
+ rand = _.random(index++);
+ shuffled[index - 1] = shuffled[rand];
+ shuffled[rand] = value;
+ });
+ return shuffled;
+ };
+
+ // An internal function to generate lookup iterators.
+ var lookupIterator = function(value) {
+ return _.isFunction(value) ? value : function(obj){ return obj[value]; };
+ };
+
+ // Sort the object's values by a criterion produced by an iterator.
+ _.sortBy = function(obj, value, context) {
+ var iterator = lookupIterator(value);
+ return _.pluck(_.map(obj, function(value, index, list) {
+ return {
+ value : value,
+ index : index,
+ criteria : iterator.call(context, value, index, list)
+ };
+ }).sort(function(left, right) {
+ var a = left.criteria;
+ var b = right.criteria;
+ if (a !== b) {
+ if (a > b || a === void 0) return 1;
+ if (a < b || b === void 0) return -1;
+ }
+ return left.index < right.index ? -1 : 1;
+ }), 'value');
+ };
+
+ // An internal function used for aggregate "group by" operations.
+ var group = function(obj, value, context, behavior) {
+ var result = {};
+ var iterator = lookupIterator(value || _.identity);
+ each(obj, function(value, index) {
+ var key = iterator.call(context, value, index, obj);
+ behavior(result, key, value);
+ });
+ return result;
+ };
+
+ // Groups the object's values by a criterion. Pass either a string attribute
+ // to group by, or a function that returns the criterion.
+ _.groupBy = function(obj, value, context) {
+ return group(obj, value, context, function(result, key, value) {
+ (_.has(result, key) ? result[key] : (result[key] = [])).push(value);
+ });
+ };
+
+ // Counts instances of an object that group by a certain criterion. Pass
+ // either a string attribute to count by, or a function that returns the
+ // criterion.
+ _.countBy = function(obj, value, context) {
+ return group(obj, value, context, function(result, key) {
+ if (!_.has(result, key)) result[key] = 0;
+ result[key]++;
+ });
+ };
+
+ // Use a comparator function to figure out the smallest index at which
+ // an object should be inserted so as to maintain order. Uses binary search.
+ _.sortedIndex = function(array, obj, iterator, context) {
+ iterator = iterator == null ? _.identity : lookupIterator(iterator);
+ var value = iterator.call(context, obj);
+ var low = 0, high = array.length;
+ while (low < high) {
+ var mid = (low + high) >>> 1;
+ iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
+ }
+ return low;
+ };
+
+ // Safely convert anything iterable into a real, live array.
+ _.toArray = function(obj) {
+ if (!obj) return [];
+ if (_.isArray(obj)) return slice.call(obj);
+ if (obj.length === +obj.length) return _.map(obj, _.identity);
+ return _.values(obj);
+ };
+
+ // Return the number of elements in an object.
+ _.size = function(obj) {
+ if (obj == null) return 0;
+ return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
+ };
+
+ // Array Functions
+ // ---------------
+
+ // Get the first element of an array. Passing **n** will return the first N
+ // values in the array. Aliased as `head` and `take`. The **guard** check
+ // allows it to work with `_.map`.
+ _.first = _.head = _.take = function(array, n, guard) {
+ if (array == null) return void 0;
+ return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
+ };
+
+ // Returns everything but the last entry of the array. Especially useful on
+ // the arguments object. Passing **n** will return all the values in
+ // the array, excluding the last N. The **guard** check allows it to work with
+ // `_.map`.
+ _.initial = function(array, n, guard) {
+ return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
+ };
+
+ // Get the last element of an array. Passing **n** will return the last N
+ // values in the array. The **guard** check allows it to work with `_.map`.
+ _.last = function(array, n, guard) {
+ if (array == null) return void 0;
+ if ((n != null) && !guard) {
+ return slice.call(array, Math.max(array.length - n, 0));
+ } else {
+ return array[array.length - 1];
+ }
+ };
+
+ // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
+ // Especially useful on the arguments object. Passing an **n** will return
+ // the rest N values in the array. The **guard**
+ // check allows it to work with `_.map`.
+ _.rest = _.tail = _.drop = function(array, n, guard) {
+ return slice.call(array, (n == null) || guard ? 1 : n);
+ };
+
+ // Trim out all falsy values from an array.
+ _.compact = function(array) {
+ return _.filter(array, _.identity);
+ };
+
+ // Internal implementation of a recursive `flatten` function.
+ var flatten = function(input, shallow, output) {
+ each(input, function(value) {
+ if (_.isArray(value)) {
+ shallow ? push.apply(output, value) : flatten(value, shallow, output);
+ } else {
+ output.push(value);
+ }
+ });
+ return output;
+ };
+
+ // Return a completely flattened version of an array.
+ _.flatten = function(array, shallow) {
+ return flatten(array, shallow, []);
+ };
+
+ // Return a version of the array that does not contain the specified value(s).
+ _.without = function(array) {
+ return _.difference(array, slice.call(arguments, 1));
+ };
+
+ // Produce a duplicate-free version of the array. If the array has already
+ // been sorted, you have the option of using a faster algorithm.
+ // Aliased as `unique`.
+ _.uniq = _.unique = function(array, isSorted, iterator, context) {
+ if (_.isFunction(isSorted)) {
+ context = iterator;
+ iterator = isSorted;
+ isSorted = false;
+ }
+ var initial = iterator ? _.map(array, iterator, context) : array;
+ var results = [];
+ var seen = [];
+ each(initial, function(value, index) {
+ if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {
+ seen.push(value);
+ results.push(array[index]);
+ }
+ });
+ return results;
+ };
+
+ // Produce an array that contains the union: each distinct element from all of
+ // the passed-in arrays.
+ _.union = function() {
+ return _.uniq(concat.apply(ArrayProto, arguments));
+ };
+
+ // Produce an array that contains every item shared between all the
+ // passed-in arrays.
+ _.intersection = function(array) {
+ var rest = slice.call(arguments, 1);
+ return _.filter(_.uniq(array), function(item) {
+ return _.every(rest, function(other) {
+ return _.indexOf(other, item) >= 0;
+ });
+ });
+ };
+
+ // Take the difference between one array and a number of other arrays.
+ // Only the elements present in just the first array will remain.
+ _.difference = function(array) {
+ var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
+ return _.filter(array, function(value){ return !_.contains(rest, value); });
+ };
+
+ // Zip together multiple lists into a single array -- elements that share
+ // an index go together.
+ _.zip = function() {
+ var args = slice.call(arguments);
+ var length = _.max(_.pluck(args, 'length'));
+ var results = new Array(length);
+ for (var i = 0; i < length; i++) {
+ results[i] = _.pluck(args, "" + i);
+ }
+ return results;
+ };
+
+ // Converts lists into objects. Pass either a single array of `[key, value]`
+ // pairs, or two parallel arrays of the same length -- one of keys, and one of
+ // the corresponding values.
+ _.object = function(list, values) {
+ if (list == null) return {};
+ var result = {};
+ for (var i = 0, l = list.length; i < l; i++) {
+ if (values) {
+ result[list[i]] = values[i];
+ } else {
+ result[list[i][0]] = list[i][1];
+ }
+ }
+ return result;
+ };
+
+ // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
+ // we need this function. Return the position of the first occurrence of an
+ // item in an array, or -1 if the item is not included in the array.
+ // Delegates to **ECMAScript 5**'s native `indexOf` if available.
+ // If the array is large and already in sort order, pass `true`
+ // for **isSorted** to use binary search.
+ _.indexOf = function(array, item, isSorted) {
+ if (array == null) return -1;
+ var i = 0, l = array.length;
+ if (isSorted) {
+ if (typeof isSorted == 'number') {
+ i = (isSorted < 0 ? Math.max(0, l + isSorted) : isSorted);
+ } else {
+ i = _.sortedIndex(array, item);
+ return array[i] === item ? i : -1;
+ }
+ }
+ if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
+ for (; i < l; i++) if (array[i] === item) return i;
+ return -1;
+ };
+
+ // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
+ _.lastIndexOf = function(array, item, from) {
+ if (array == null) return -1;
+ var hasIndex = from != null;
+ if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
+ return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
+ }
+ var i = (hasIndex ? from : array.length);
+ while (i--) if (array[i] === item) return i;
+ return -1;
+ };
+
+ // Generate an integer Array containing an arithmetic progression. A port of
+ // the native Python `range()` function. See
+ // [the Python documentation](http://docs.python.org/library/functions.html#range).
+ _.range = function(start, stop, step) {
+ if (arguments.length <= 1) {
+ stop = start || 0;
+ start = 0;
+ }
+ step = arguments[2] || 1;
+
+ var len = Math.max(Math.ceil((stop - start) / step), 0);
+ var idx = 0;
+ var range = new Array(len);
+
+ while(idx < len) {
+ range[idx++] = start;
+ start += step;
+ }
+
+ return range;
+ };
+
+ // Function (ahem) Functions
+ // ------------------
+
+ // Reusable constructor function for prototype setting.
+ var ctor = function(){};
+
+ // Create a function bound to a given object (assigning `this`, and arguments,
+ // optionally). Binding with arguments is also known as `curry`.
+ // Delegates to **ECMAScript 5**'s native `Function.bind` if available.
+ // We check for `func.bind` first, to fail fast when `func` is undefined.
+ _.bind = function(func, context) {
+ var args, bound;
+ if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
+ if (!_.isFunction(func)) throw new TypeError;
+ args = slice.call(arguments, 2);
+ return bound = function() {
+ if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
+ ctor.prototype = func.prototype;
+ var self = new ctor;
+ ctor.prototype = null;
+ var result = func.apply(self, args.concat(slice.call(arguments)));
+ if (Object(result) === result) return result;
+ return self;
+ };
+ };
+
+ // Bind all of an object's methods to that object. Useful for ensuring that
+ // all callbacks defined on an object belong to it.
+ _.bindAll = function(obj) {
+ var funcs = slice.call(arguments, 1);
+ if (funcs.length == 0) funcs = _.functions(obj);
+ each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
+ return obj;
+ };
+
+ // Memoize an expensive function by storing its results.
+ _.memoize = function(func, hasher) {
+ var memo = {};
+ hasher || (hasher = _.identity);
+ return function() {
+ var key = hasher.apply(this, arguments);
+ return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
+ };
+ };
+
+ // Delays a function for the given number of milliseconds, and then calls
+ // it with the arguments supplied.
+ _.delay = function(func, wait) {
+ var args = slice.call(arguments, 2);
+ return setTimeout(function(){ return func.apply(null, args); }, wait);
+ };
+
+ // Defers a function, scheduling it to run after the current call stack has
+ // cleared.
+ _.defer = function(func) {
+ return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
+ };
+
+ // Returns a function, that, when invoked, will only be triggered at most once
+ // during a given window of time.
+ _.throttle = function(func, wait) {
+ var context, args, timeout, result;
+ var previous = 0;
+ var later = function() {
+ previous = new Date;
+ timeout = null;
+ result = func.apply(context, args);
+ };
+ return function() {
+ var now = new Date;
+ var remaining = wait - (now - previous);
+ context = this;
+ args = arguments;
+ if (remaining <= 0) {
+ clearTimeout(timeout);
+ timeout = null;
+ previous = now;
+ result = func.apply(context, args);
+ } else if (!timeout) {
+ timeout = setTimeout(later, remaining);
+ }
+ return result;
+ };
+ };
+
+ // Returns a function, that, as long as it continues to be invoked, will not
+ // be triggered. The function will be called after it stops being called for
+ // N milliseconds. If `immediate` is passed, trigger the function on the
+ // leading edge, instead of the trailing.
+ _.debounce = function(func, wait, immediate) {
+ var timeout, result;
+ return function() {
+ var context = this, args = arguments;
+ var later = function() {
+ timeout = null;
+ if (!immediate) result = func.apply(context, args);
+ };
+ var callNow = immediate && !timeout;
+ clearTimeout(timeout);
+ timeout = setTimeout(later, wait);
+ if (callNow) result = func.apply(context, args);
+ return result;
+ };
+ };
+
+ // Returns a function that will be executed at most one time, no matter how
+ // often you call it. Useful for lazy initialization.
+ _.once = function(func) {
+ var ran = false, memo;
+ return function() {
+ if (ran) return memo;
+ ran = true;
+ memo = func.apply(this, arguments);
+ func = null;
+ return memo;
+ };
+ };
+
+ // Returns the first function passed as an argument to the second,
+ // allowing you to adjust arguments, run code before and after, and
+ // conditionally execute the original function.
+ _.wrap = function(func, wrapper) {
+ return function() {
+ var args = [func];
+ push.apply(args, arguments);
+ return wrapper.apply(this, args);
+ };
+ };
+
+ // Returns a function that is the composition of a list of functions, each
+ // consuming the return value of the function that follows.
+ _.compose = function() {
+ var funcs = arguments;
+ return function() {
+ var args = arguments;
+ for (var i = funcs.length - 1; i >= 0; i--) {
+ args = [funcs[i].apply(this, args)];
+ }
+ return args[0];
+ };
+ };
+
+ // Returns a function that will only be executed after being called N times.
+ _.after = function(times, func) {
+ if (times <= 0) return func();
+ return function() {
+ if (--times < 1) {
+ return func.apply(this, arguments);
+ }
+ };
+ };
+
+ // Object Functions
+ // ----------------
+
+ // Retrieve the names of an object's properties.
+ // Delegates to **ECMAScript 5**'s native `Object.keys`
+ _.keys = nativeKeys || function(obj) {
+ if (obj !== Object(obj)) throw new TypeError('Invalid object');
+ var keys = [];
+ for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
+ return keys;
+ };
+
+ // Retrieve the values of an object's properties.
+ _.values = function(obj) {
+ var values = [];
+ for (var key in obj) if (_.has(obj, key)) values.push(obj[key]);
+ return values;
+ };
+
+ // Convert an object into a list of `[key, value]` pairs.
+ _.pairs = function(obj) {
+ var pairs = [];
+ for (var key in obj) if (_.has(obj, key)) pairs.push([key, obj[key]]);
+ return pairs;
+ };
+
+ // Invert the keys and values of an object. The values must be serializable.
+ _.invert = function(obj) {
+ var result = {};
+ for (var key in obj) if (_.has(obj, key)) result[obj[key]] = key;
+ return result;
+ };
+
+ // Return a sorted list of the function names available on the object.
+ // Aliased as `methods`
+ _.functions = _.methods = function(obj) {
+ var names = [];
+ for (var key in obj) {
+ if (_.isFunction(obj[key])) names.push(key);
+ }
+ return names.sort();
+ };
+
+ // Extend a given object with all the properties in passed-in object(s).
+ _.extend = function(obj) {
+ each(slice.call(arguments, 1), function(source) {
+ if (source) {
+ for (var prop in source) {
+ obj[prop] = source[prop];
+ }
+ }
+ });
+ return obj;
+ };
+
+ // Return a copy of the object only containing the whitelisted properties.
+ _.pick = function(obj) {
+ var copy = {};
+ var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
+ each(keys, function(key) {
+ if (key in obj) copy[key] = obj[key];
+ });
+ return copy;
+ };
+
+ // Return a copy of the object without the blacklisted properties.
+ _.omit = function(obj) {
+ var copy = {};
+ var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
+ for (var key in obj) {
+ if (!_.contains(keys, key)) copy[key] = obj[key];
+ }
+ return copy;
+ };
+
+ // Fill in a given object with default properties.
+ _.defaults = function(obj) {
+ each(slice.call(arguments, 1), function(source) {
+ if (source) {
+ for (var prop in source) {
+ if (obj[prop] == null) obj[prop] = source[prop];
+ }
+ }
+ });
+ return obj;
+ };
+
+ // Create a (shallow-cloned) duplicate of an object.
+ _.clone = function(obj) {
+ if (!_.isObject(obj)) return obj;
+ return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+ };
+
+ // Invokes interceptor with the obj, and then returns obj.
+ // The primary purpose of this method is to "tap into" a method chain, in
+ // order to perform operations on intermediate results within the chain.
+ _.tap = function(obj, interceptor) {
+ interceptor(obj);
+ return obj;
+ };
+
+ // Internal recursive comparison function for `isEqual`.
+ var eq = function(a, b, aStack, bStack) {
+ // Identical objects are equal. `0 === -0`, but they aren't identical.
+ // See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
+ if (a === b) return a !== 0 || 1 / a == 1 / b;
+ // A strict comparison is necessary because `null == undefined`.
+ if (a == null || b == null) return a === b;
+ // Unwrap any wrapped objects.
+ if (a instanceof _) a = a._wrapped;
+ if (b instanceof _) b = b._wrapped;
+ // Compare `[[Class]]` names.
+ var className = toString.call(a);
+ if (className != toString.call(b)) return false;
+ switch (className) {
+ // Strings, numbers, dates, and booleans are compared by value.
+ case '[object String]':
+ // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+ // equivalent to `new String("5")`.
+ return a == String(b);
+ case '[object Number]':
+ // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
+ // other numeric values.
+ return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
+ case '[object Date]':
+ case '[object Boolean]':
+ // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+ // millisecond representations. Note that invalid dates with millisecond representations
+ // of `NaN` are not equivalent.
+ return +a == +b;
+ // RegExps are compared by their source patterns and flags.
+ case '[object RegExp]':
+ return a.source == b.source &&
+ a.global == b.global &&
+ a.multiline == b.multiline &&
+ a.ignoreCase == b.ignoreCase;
+ }
+ if (typeof a != 'object' || typeof b != 'object') return false;
+ // Assume equality for cyclic structures. The algorithm for detecting cyclic
+ // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+ var length = aStack.length;
+ while (length--) {
+ // Linear search. Performance is inversely proportional to the number of
+ // unique nested structures.
+ if (aStack[length] == a) return bStack[length] == b;
+ }
+ // Add the first object to the stack of traversed objects.
+ aStack.push(a);
+ bStack.push(b);
+ var size = 0, result = true;
+ // Recursively compare objects and arrays.
+ if (className == '[object Array]') {
+ // Compare array lengths to determine if a deep comparison is necessary.
+ size = a.length;
+ result = size == b.length;
+ if (result) {
+ // Deep compare the contents, ignoring non-numeric properties.
+ while (size--) {
+ if (!(result = eq(a[size], b[size], aStack, bStack))) break;
+ }
+ }
+ } else {
+ // Objects with different constructors are not equivalent, but `Object`s
+ // from different frames are.
+ var aCtor = a.constructor, bCtor = b.constructor;
+ if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
+ _.isFunction(bCtor) && (bCtor instanceof bCtor))) {
+ return false;
+ }
+ // Deep compare objects.
+ for (var key in a) {
+ if (_.has(a, key)) {
+ // Count the expected number of properties.
+ size++;
+ // Deep compare each member.
+ if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
+ }
+ }
+ // Ensure that both objects contain the same number of properties.
+ if (result) {
+ for (key in b) {
+ if (_.has(b, key) && !(size--)) break;
+ }
+ result = !size;
+ }
+ }
+ // Remove the first object from the stack of traversed objects.
+ aStack.pop();
+ bStack.pop();
+ return result;
+ };
+
+ // Perform a deep comparison to check if two objects are equal.
+ _.isEqual = function(a, b) {
+ return eq(a, b, [], []);
+ };
+
+ // Is a given array, string, or object empty?
+ // An "empty" object has no enumerable own-properties.
+ _.isEmpty = function(obj) {
+ if (obj == null) return true;
+ if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
+ for (var key in obj) if (_.has(obj, key)) return false;
+ return true;
+ };
+
+ // Is a given value a DOM element?
+ _.isElement = function(obj) {
+ return !!(obj && obj.nodeType === 1);
+ };
+
+ // Is a given value an array?
+ // Delegates to ECMA5's native Array.isArray
+ _.isArray = nativeIsArray || function(obj) {
+ return toString.call(obj) == '[object Array]';
+ };
+
+ // Is a given variable an object?
+ _.isObject = function(obj) {
+ return obj === Object(obj);
+ };
+
+ // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
+ each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
+ _['is' + name] = function(obj) {
+ return toString.call(obj) == '[object ' + name + ']';
+ };
+ });
+
+ // Define a fallback version of the method in browsers (ahem, IE), where
+ // there isn't any inspectable "Arguments" type.
+ if (!_.isArguments(arguments)) {
+ _.isArguments = function(obj) {
+ return !!(obj && _.has(obj, 'callee'));
+ };
+ }
+
+ // Optimize `isFunction` if appropriate.
+ if (typeof (/./) !== 'function') {
+ _.isFunction = function(obj) {
+ return typeof obj === 'function';
+ };
+ }
+
+ // Is a given object a finite number?
+ _.isFinite = function(obj) {
+ return isFinite(obj) && !isNaN(parseFloat(obj));
+ };
+
+ // Is the given value `NaN`? (NaN is the only number which does not equal itself).
+ _.isNaN = function(obj) {
+ return _.isNumber(obj) && obj != +obj;
+ };
+
+ // Is a given value a boolean?
+ _.isBoolean = function(obj) {
+ return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
+ };
+
+ // Is a given value equal to null?
+ _.isNull = function(obj) {
+ return obj === null;
+ };
+
+ // Is a given variable undefined?
+ _.isUndefined = function(obj) {
+ return obj === void 0;
+ };
+
+ // Shortcut function for checking if an object has a given property directly
+ // on itself (in other words, not on a prototype).
+ _.has = function(obj, key) {
+ return hasOwnProperty.call(obj, key);
+ };
+
+ // Utility Functions
+ // -----------------
+
+ // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
+ // previous owner. Returns a reference to the Underscore object.
+ _.noConflict = function() {
+ root._ = previousUnderscore;
+ return this;
+ };
+
+ // Keep the identity function around for default iterators.
+ _.identity = function(value) {
+ return value;
+ };
+
+ // Run a function **n** times.
+ _.times = function(n, iterator, context) {
+ var accum = Array(n);
+ for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
+ return accum;
+ };
+
+ // Return a random integer between min and max (inclusive).
+ _.random = function(min, max) {
+ if (max == null) {
+ max = min;
+ min = 0;
+ }
+ return min + (0 | Math.random() * (max - min + 1));
+ };
+
+ // List of HTML entities for escaping.
+ var entityMap = {
+ escape: {
+ '&': '&amp;',
+ '<': '&lt;',
+ '>': '&gt;',
+ '"': '&quot;',
+ "'": '&#x27;',
+ '/': '&#x2F;'
+ }
+ };
+ entityMap.unescape = _.invert(entityMap.escape);
+
+ // Regexes containing the keys and values listed immediately above.
+ var entityRegexes = {
+ escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),
+ unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')
+ };
+
+ // Functions for escaping and unescaping strings to/from HTML interpolation.
+ _.each(['escape', 'unescape'], function(method) {
+ _[method] = function(string) {
+ if (string == null) return '';
+ return ('' + string).replace(entityRegexes[method], function(match) {
+ return entityMap[method][match];
+ });
+ };
+ });
+
+ // If the value of the named property is a function then invoke it;
+ // otherwise, return it.
+ _.result = function(object, property) {
+ if (object == null) return null;
+ var value = object[property];
+ return _.isFunction(value) ? value.call(object) : value;
+ };
+
+ // Add your own custom functions to the Underscore object.
+ _.mixin = function(obj) {
+ each(_.functions(obj), function(name){
+ var func = _[name] = obj[name];
+ _.prototype[name] = function() {
+ var args = [this._wrapped];
+ push.apply(args, arguments);
+ return result.call(this, func.apply(_, args));
+ };
+ });
+ };
+
+ // Generate a unique integer id (unique within the entire client session).
+ // Useful for temporary DOM ids.
+ var idCounter = 0;
+ _.uniqueId = function(prefix) {
+ var id = '' + ++idCounter;
+ return prefix ? prefix + id : id;
+ };
+
+ // By default, Underscore uses ERB-style template delimiters, change the
+ // following template settings to use alternative delimiters.
+ _.templateSettings = {
+ evaluate : /<%([\s\S]+?)%>/g,
+ interpolate : /<%=([\s\S]+?)%>/g,
+ escape : /<%-([\s\S]+?)%>/g
+ };
+
+ // When customizing `templateSettings`, if you don't want to define an
+ // interpolation, evaluation or escaping regex, we need one that is
+ // guaranteed not to match.
+ var noMatch = /(.)^/;
+
+ // Certain characters need to be escaped so that they can be put into a
+ // string literal.
+ var escapes = {
+ "'": "'",
+ '\\': '\\',
+ '\r': 'r',
+ '\n': 'n',
+ '\t': 't',
+ '\u2028': 'u2028',
+ '\u2029': 'u2029'
+ };
+
+ var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
+
+ // JavaScript micro-templating, similar to John Resig's implementation.
+ // Underscore templating handles arbitrary delimiters, preserves whitespace,
+ // and correctly escapes quotes within interpolated code.
+ _.template = function(text, data, settings) {
+ settings = _.defaults({}, settings, _.templateSettings);
+
+ // Combine delimiters into one regular expression via alternation.
+ var matcher = new RegExp([
+ (settings.escape || noMatch).source,
+ (settings.interpolate || noMatch).source,
+ (settings.evaluate || noMatch).source
+ ].join('|') + '|$', 'g');
+
+ // Compile the template source, escaping string literals appropriately.
+ var index = 0;
+ var source = "__p+='";
+ text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
+ source += text.slice(index, offset)
+ .replace(escaper, function(match) { return '\\' + escapes[match]; });
+
+ if (escape) {
+ source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
+ }
+ if (interpolate) {
+ source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
+ }
+ if (evaluate) {
+ source += "';\n" + evaluate + "\n__p+='";
+ }
+ index = offset + match.length;
+ return match;
+ });
+ source += "';\n";
+
+ // If a variable is not specified, place data values in local scope.
+ if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
+
+ source = "var __t,__p='',__j=Array.prototype.join," +
+ "print=function(){__p+=__j.call(arguments,'');};\n" +
+ source + "return __p;\n";
+
+ try {
+ var render = new Function(settings.variable || 'obj', '_', source);
+ } catch (e) {
+ e.source = source;
+ throw e;
+ }
+
+ if (data) return render(data, _);
+ var template = function(data) {
+ return render.call(this, data, _);
+ };
+
+ // Provide the compiled function source as a convenience for precompilation.
+ template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
+
+ return template;
+ };
+
+ // Add a "chain" function, which will delegate to the wrapper.
+ _.chain = function(obj) {
+ return _(obj).chain();
+ };
+
+ // OOP
+ // ---------------
+ // If Underscore is called as a function, it returns a wrapped object that
+ // can be used OO-style. This wrapper holds altered versions of all the
+ // underscore functions. Wrapped objects may be chained.
+
+ // Helper function to continue chaining intermediate results.
+ var result = function(obj) {
+ return this._chain ? _(obj).chain() : obj;
+ };
+
+ // Add all of the Underscore functions to the wrapper object.
+ _.mixin(_);
+
+ // Add all mutator Array functions to the wrapper.
+ each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
+ var method = ArrayProto[name];
+ _.prototype[name] = function() {
+ var obj = this._wrapped;
+ method.apply(obj, arguments);
+ if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
+ return result.call(this, obj);
+ };
+ });
+
+ // Add all accessor Array functions to the wrapper.
+ each(['concat', 'join', 'slice'], function(name) {
+ var method = ArrayProto[name];
+ _.prototype[name] = function() {
+ return result.call(this, method.apply(this._wrapped, arguments));
+ };
+ });
+
+ _.extend(_.prototype, {
+
+ // Start chaining a wrapped Underscore object.
+ chain: function() {
+ this._chain = true;
+ return this;
+ },
+
+ // Extracts the result from a wrapped and chained object.
+ value: function() {
+ return this._wrapped;
+ }
+
+ });
+
+}).call(this);
+
+/**
+ * requestAnimationFrame polyfill by Erik Möller
+ * fixes from Paul Irish and Tino Zijdel
+ * http://paulirish.com/2011/requestanimationframe-for-smart-animating/
+ * http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
+ */
+(function() {
+ var lastTime = 0;
+ var vendors = [ 'ms', 'moz', 'webkit', 'o' ];
+ for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+ window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
+ window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame']
+ || window[vendors[x] + 'CancelRequestAnimationFrame'];
+ }
+
+ if (!window.requestAnimationFrame)
+ window.requestAnimationFrame = function(callback, element) {
+ var currTime = (new Date()).getTime();
+ var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+ var id = window.setTimeout(function() {
+ callback(currTime + timeToCall);
+ }, timeToCall);
+ lastTime = currTime + timeToCall;
+ return id;
+ };
+
+ if (!window.cancelAnimationFrame)
+ window.cancelAnimationFrame = function(id) {
+ clearTimeout(id);
+ };
+}());
+
+(function(global) {
+ var dummyFn = function() {};
+ var anims = [];
+
+ var defaults = {
+ duration: 500, // ms
+ easing: 'linear',
+ step: dummyFn,
+ complete: dummyFn,
+ autostart: true
+ };
+
+ var easings = {
+ linear: function(t, b, c, d) {
+ return c * t / d + b;
+ },
+ easeInQuad: function(t, b, c, d) {
+ return c*(t/=d)*t + b;
+ },
+ easeOutQuad: function(t, b, c, d) {
+ return -c *(t/=d)*(t-2) + b;
+ },
+ easeInOutQuad: function(t, b, c, d) {
+ if((t/=d/2) < 1) return c/2*t*t + b;
+ return -c/2 *((--t)*(t-2) - 1) + b;
+ },
+ easeInCubic: function(t, b, c, d) {
+ return c*(t/=d)*t*t + b;
+ },
+ easeOutCubic: function(t, b, c, d) {
+ return c*((t=t/d-1)*t*t + 1) + b;
+ },
+ easeInOutCubic: function(t, b, c, d) {
+ if((t/=d/2) < 1) return c/2*t*t*t + b;
+ return c/2*((t-=2)*t*t + 2) + b;
+ },
+
+ easeInExpo: function(t, b, c, d) {
+ return(t==0) ? b : c * Math.pow(2, 10 *(t/d - 1)) + b - c * 0.001;
+ },
+ easeOutExpo: function(t, b, c, d) {
+ return(t==d) ? b+c : c * 1.001 *(-Math.pow(2, -10 * t/d) + 1) + b;
+ },
+ easeInOutExpo: function(t, b, c, d) {
+ if(t==0) return b;
+ if(t==d) return b+c;
+ if((t/=d/2) < 1) return c/2 * Math.pow(2, 10 *(t - 1)) + b - c * 0.0005;
+ return c/2 * 1.0005 *(-Math.pow(2, -10 * --t) + 2) + b;
+ },
+
+ easeInElastic: function(t, b, c, d, a, p) {
+ var s;
+ if(t==0) return b; if((t/=d)==1) return b+c; if(!p) p=d*.3;
+ if(!a || a < Math.abs(c)) { a=c; s=p/4; } else s = p/(2*Math.PI) * Math.asin(c/a);
+ return -(a*Math.pow(2,10*(t-=1)) * Math.sin((t*d-s)*(2*Math.PI)/p )) + b;
+ },
+ easeOutElastic: function(t, b, c, d, a, p) {
+ var s;
+ if(t==0) return b; if((t/=d)==1) return b+c; if(!p) p=d*.3;
+ if(!a || a < Math.abs(c)) { a=c; s=p/4; } else s = p/(2*Math.PI) * Math.asin(c/a);
+ return(a*Math.pow(2,-10*t) * Math.sin((t*d-s)*(2*Math.PI)/p ) + c + b);
+ },
+ easeInOutElastic: function(t, b, c, d, a, p) {
+ var s;
+ if(t==0) return b;
+ if((t/=d/2)==2) return b+c;
+ if(!p) p=d*(.3*1.5);
+ if(!a || a < Math.abs(c)) { a=c; s=p/4; } else s = p/(2*Math.PI) * Math.asin(c/a);
+ if(t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin((t*d-s)*(2*Math.PI)/p )) + b;
+ return a*Math.pow(2,-10*(t-=1)) * Math.sin((t*d-s)*(2*Math.PI)/p )*.5 + c + b;
+ },
+ easeInBack: function(t, b, c, d, s) {
+ if(s == undefined) s = 1.70158;
+ return c*(t/=d)*t*((s+1)*t - s) + b;
+ },
+ easeOutBack: function(t, b, c, d, s) {
+ if(s == undefined) s = 1.70158;
+ return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
+ },
+ easeInOutBack: function(t, b, c, d, s) {
+ if(s == undefined) s = 1.70158;
+ if((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
+ return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
+ },
+ easeInBounce: function(t, b, c, d) {
+ return c - $.easing.easeOutBounce(x, d-t, 0, c, d) + b;
+ },
+ easeOutBounce: function(t, b, c, d) {
+ if((t/=d) <(1/2.75)) {
+ return c*(7.5625*t*t) + b;
+ } else if(t <(2/2.75)) {
+ return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
+ } else if(t <(2.5/2.75)) {
+ return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
+ } else {
+ return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
+ }
+ },
+ easeInOutBounce: function(t, b, c, d) {
+ if(t < d/2) return $.easing.easeInBounce(x, t*2, 0, c, d) * .5 + b;
+ return $.easing.easeOutBounce(x, t*2-d, 0, c, d) * .5 + c*.5 + b;
+ }
+ };
+
+ function mainLoop() {
+ if (!anims.length) {
+ // no animations left, stop polling
+ return;
+ }
+
+ var now = +new Date;
+ var filtered = [], tween, opt;
+
+ // do not use Array.filter() of _.filter() function
+ // since tween’s callbacks can add new animations
+ // in runtime. In this case, filter function will loose
+ // newly created animation
+ for (var i = 0; i < anims.length; i++) {
+ tween = anims[i];
+ var opt = tween.options;
+ if (tween.pos === 1 || tween.endTime <= now) {
+ opt.step.call(tween, tween.pos = 1);
+ tween.stop();
+ } else {
+ tween.pos = opt.easing(now - tween.startTime, 0, 1, opt.duration);
+ opt.step.call(tween, tween.pos);
+ filtered.push(tween);
+ }
+ };
+
+ anims = filtered;
+
+ if (anims.length) {
+ requestAnimationFrame(mainLoop);
+ }
+ }
+
+ function addToQueue(tween) {
+ if (_.indexOf(anims, tween) == -1) {
+ anims.push(tween);
+ if (anims.length == 1)
+ mainLoop();
+ }
+ }
+
+ function Tween(options) {
+ this.options = _.extend({}, defaults, options || {});
+
+ var e = this.options.easing;
+ if (_.isString(e)) {
+ if (!easings[e])
+ throw 'Unknown "' + e + '" easing function';
+ this.options.easing = easings[e];
+ }
+
+ if (!_.isFunction(this.options.easing))
+ throw 'Easing should be a function';
+
+ this._id = _.uniqueId('tw');
+
+ if (this.options.autostart)
+ this.start();
+ }
+
+ Tween.prototype = {
+ /**
+ * Start animation from the beginning
+ */
+ start: function() {
+ this.pos = 0;
+ this.startTime = +new Date;
+ this.endTime = this.startTime + this.options.duration;
+ this.animating = true;
+ addToQueue(this);
+ },
+
+ /**
+ * Stop animation
+ */
+ stop: function() {
+ this.animating = false;
+ this.options.complete();
+ }
+ };
+
+ Tween.__getAnims = function() {
+ return anims;
+ };
+
+ global.Tween = Tween;
+})(this);
+/**
+ * Small DOM utility library
+ */
+(function(global) {
+ "use strict";
+ var w3cCSS = document.defaultView && document.defaultView.getComputedStyle;
+
+ function toCamelCase(name) {
+ return name.replace(/\-(\w)/g, function(str, p1) {
+ return p1.toUpperCase();
+ });
+ }
+
+ /**
+ * Returns CSS property value of given element.
+ * @author jQuery Team
+ * @param {Element} elem
+ * @param {String} name CSS property value
+ */
+ function getCSS(elem, name) {
+ var rnumpx = /^-?\d+(?:px)?$/i,
+ rnum = /^-?\d(?:\.\d+)?/,
+ rsuf = /\d$/;
+
+
+ var nameCamel = toCamelCase(name);
+ // If the property exists in style[], then it's been set
+ // recently (and is current)
+ if (elem.style[nameCamel]) {
+ return elem.style[nameCamel];
+ }
+
+ if (w3cCSS) {
+ var cs = window.getComputedStyle(elem, '');
+ return cs.getPropertyValue(name);
+ }
+
+ if (elem.currentStyle) {
+ var ret = elem.currentStyle[name] || elem.currentStyle[nameCamel];
+ var style = elem.style || elem;
+
+ // From the awesome hack by Dean Edwards
+ // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
+
+ // If we're not dealing with a regular pixel number
+ // but a number that has a weird ending, we need to convert it to pixels
+ if (!rnumpx.test(ret) && rnum.test(ret)) {
+ // Remember the original values
+ var left = style.left, rsLeft = elem.runtimeStyle.left;
+
+ // Put in the new values to get a computed value out
+ elem.runtimeStyle.left = elem.currentStyle.left;
+ var suffix = rsuf.test(ret) ? 'em' : '';
+ style.left = nameCamel === 'fontSize' ? '1em' : (ret + suffix || 0);
+ ret = style.pixelLeft + 'px';
+
+ // Revert the changed values
+ style.left = left;
+ elem.runtimeStyle.left = rsLeft;
+ }
+
+ return ret;
+ }
+ }
+
+ /**
+ * Sets CSS properties to given element
+ * @param {Element} elem
+ * @param {Object} params CSS properties to set
+ */
+ function setCSS(elem, params) {
+ if (!elem) {
+ return;
+ }
+
+ var numProps = {'line-height': 1, 'z-index': 1, opacity: 1};
+
+ var props = _.map(params, function(v, k) {
+ var name = k.replace(/([A-Z])/g, '-$1').toLowerCase();
+ return name + ':' + ((_.isNumber(v) && !(name in numProps)) ? v + 'px' : v);
+ });
+
+ elem.style.cssText += ';' + props.join(';');
+ }
+
+ /**
+ * @returns {Array}
+ */
+ function ar(obj) {
+ return _.isArray(obj) ? obj : [obj];
+ }
+
+ _.extend(global, {
+ /**
+ * Trims whitespace from string
+ * @param {String} str
+ * @returns {String}
+ */
+ trim: function(str) {
+ if (str && 'trim' in String.prototype) {
+ return str.trim();
+ }
+
+ return str.replace(/^\s+/, '').replace(/\s+$/, '');
+ },
+
+ /**
+ * Check if element contains given class
+ * @param {Element} elem
+ * @param {String} className
+ * @return {Boolean}
+ */
+ hasClass: function(elem, className) {
+ return ~(' ' + elem.className + ' ').indexOf(' ' + className + ' ');
+ },
+
+ /**
+ * Adds class name to given element
+ * @param {Element} elem
+ * @param {String} className
+ * @return {Element}
+ */
+ addClass: function(elem, className) {
+ _.each(ar(elem), function(el) {
+ var classes = _.filter(className.split(/\s+/g), function(c) {
+ return c && !this.hasClass(el, c);
+ }, this);
+
+ if (classes.length) {
+ el.className += (el.className ? ' ' : '') + classes.join(' ');
+ }
+ }, this);
+
+ return elem;
+ },
+
+ /**
+ * Removes given class name from specified element
+ * @param {Element} elem
+ * @param {String} className
+ * @return {Element}
+ */
+ removeClass: function(elem, className) {
+ _.each(ar(elem), function(el) {
+ var elemClass = el.className || '';
+ _.each(className.split(/\s+/g), function(c) {
+ elemClass = elemClass.replace(new RegExp('\\b' + c + '\\b'), '');
+ });
+
+ el.className = this.trim(elemClass);
+ }, this);
+
+ return elem;
+ },
+
+ /**
+ * Toggles given class on specified element
+ * @param {Element} elem
+ * @param {String} className
+ * @param {Boolean} cond
+ * @returns {Element}
+ */
+ toggleClass: function(elem, className, cond) {
+ _.each(ar(elem), function(el) {
+ var c = cond;
+ if (_.isUndefined(c)) {
+ c = this.hasClass(el, className);
+ }
+
+ if (c) {
+ this.removeClass(el, className);
+ } else {
+ this.addClass(el, className);
+ }
+ }, this);
+
+ return elem;
+ },
+
+ /**
+ * Find elements with given class inside specified context element
+ * @param {String} className
+ * @param {Element} context Context element, default is <code>document</code>
+ * @returns {Array}
+ */
+ getByClass: function(className, context) {
+ if (document.getElementsByClassName) {
+ return (context || document).getElementsByClassName(className);
+ }
+
+ return _.filter((context || document).getElementsByTagName('*'), function(elem) {
+ return this.hasClass(elem, className);
+ }, this);
+ },
+
+ /**
+ * Removes element from parent
+ * @param {Element} elem
+ * @returns {Element}
+ */
+ remove: function(elem) {
+ _.each(ar(elem), function(el) {
+ if (el.parentNode) {
+ el.parentNode.removeChild(el);
+ }
+ });
+
+ return elem;
+ },
+
+ /**
+ * Renders string into DOM element
+ * @param {String} str
+ * @returns {Element}
+ */
+ toDOM: function(str) {
+ var div = document.createElement('div');
+ div.innerHTML = str;
+ return div.firstChild;
+ },
+
+ /**
+ * Sets or retrieves CSS property value
+ * @param {Element} elem
+ * @param {String} prop
+ * @param {String} val
+ */
+ css: function(elem, prop, val) {
+ if (_.isString(prop) && _.isUndefined(val)) {
+ return getCSS(elem, prop);
+ }
+
+ if (_.isString(prop)) {
+ var obj = {};
+ obj[prop] = val;
+ prop = obj;
+ }
+
+ setCSS(elem, prop);
+ }
+ });
+})(_.dom = {});
+CodeMirror.scenario = (function() {
+ "use strict";
+ var STATE_IDLE = 'idle';
+ var STATE_PLAY = 'play';
+ var STATE_PAUSE = 'pause';
+
+ // Regular expression used to split event strings
+ var eventSplitter = /\s+/;
+
+ // Create a local reference to slice/splice.
+ var slice = Array.prototype.slice;
+
+ var defaultOptions = {
+ beforeDelay: 1000,
+ afterDelay: 1000
+ };
+
+ // detect CSS 3D Transforms for smoother animations
+ var has3d = (function() {
+ var el = document.createElement('div');
+ var cssTransform = prefixed('transform');
+ if (cssTransform) {
+ el.style[cssTransform] = 'translateZ(0)';
+ return (/translatez/i).test(el.style[cssTransform]);
+ }
+
+ return false;
+ })();
+
+ // borrow CSS prefix detection from Modernizr
+ function prefixed(prop) {
+ var prefixes = ['Webkit', 'Moz', 'O', 'ms'];
+ var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1);
+ var props = (prop + ' ' + prefixes.join(ucProp + ' ') + ucProp).split(' ');
+ var el = document.createElement('div');
+ var p = null;
+ for (var i in props) {
+ p = props[i];
+ if (el.style[p] !== undefined) {
+ return p;
+ }
+ }
+
+ return p;
+ }
+
+ var actionsDefinition = {
+ /**
+ * Type-in passed text into current editor char-by-char
+ * @param {Object} options Current options
+ * @param {CodeMirror} editor Editor instance where action should be
+ * performed
+ * @param {Function} next Function to call when action performance
+ * is completed
+ * @param {Function} timer Function that creates timer for delayed
+ * execution. This timer will automatically delay execution when
+ * scenario is paused and revert when played again
+ */
+ 'type': function(options, editor, next, timer) {
+ options = makeOptions(options, 'text', {
+ text: '', // text to type
+ delay: 60, // delay between character typing
+ pos: null // initial position where to start typing
+ });
+
+ if (!options.text) {
+ throw 'No text provided for "type" action';
+ }
+
+ if (options.pos !== null) {
+ editor.setCursor(makePos(options.pos, editor));
+ }
+
+ var chars = options.text.split('');
+
+ timer(function perform() {
+ var ch = chars.shift();
+ editor.replaceSelection(ch, 'end');
+ if (chars.length) {
+ timer(perform, options.delay);
+ } else {
+ next();
+ }
+ }, options.delay);
+ },
+
+ /**
+ * Wait for a specified timeout
+ * @param options
+ * @param editor
+ * @param next
+ * @param timer
+ */
+ 'wait': function(options, editor, next, timer) {
+ options = makeOptions(options, 'timeout', {
+ timeout: 100
+ });
+
+ timer(next, parseInt(options.timeout, 10));
+ },
+
+ /**
+ * Move caret to a specified position
+ */
+ 'moveTo': function(options, editor, next, timer) {
+ options = makeOptions(options, 'pos', {
+ delay: 80,
+ immediate: false
+ });
+
+ if (!options.pos) {
+ throw 'No position specified for "moveTo" action';
+ }
+
+ var curPos = editor.getCursor(true);
+ // reset selection, if exists
+ editor.setSelection(curPos, curPos);
+ var targetPos = makePos(options.pos, editor);
+
+ if (options.immediate) {
+ editor.setCursor(targetPos);
+ next();
+ }
+
+ var deltaLine = targetPos.line - curPos.line;
+ var deltaChar = targetPos.ch - curPos.ch;
+ var steps = Math.max(deltaChar, deltaLine);
+ // var stepLine = deltaLine / steps;
+ // var stepChar = deltaChar / steps;
+ var stepLine = deltaLine < 0 ? -1 : 1;
+ var stepChar = deltaChar < 0 ? -1 : 1;
+
+ timer(function perform() {
+ curPos = editor.getCursor(true);
+ if (steps > 0 && !(curPos.line == targetPos.line && curPos.ch == targetPos.ch)) {
+
+ if (curPos.line != targetPos.line) {
+ curPos.line += stepLine;
+ }
+
+ if (curPos.ch != targetPos.ch) {
+ curPos.ch += stepChar;
+ }
+
+ editor.setCursor(curPos);
+ steps--;
+ timer(perform, options.delay);
+ } else {
+ editor.setCursor(targetPos);
+ next();
+ }
+ }, options.delay);
+ },
+
+ /**
+ * Similar to "moveTo" function but with immediate cursor position update
+ */
+ 'jumpTo': function(options, editor, next, timer) {
+ options = makeOptions(options, 'pos', {
+ afterDelay: 200
+ });
+
+ if (!options.pos) {
+ throw 'No position specified for "jumpTo" action';
+ }
+
+ editor.setCursor(makePos(options.pos, editor));
+ timer(next, options.afterDelay);
+ },
+
+ /**
+ * Executes predefined CodeMirror command
+ * @param {Object} options
+ * @param {CodeMirror} editor
+ * @param {Function} next
+ * @param {Function} timer
+ */
+ 'run': function(options, editor, next, timer) {
+ options = makeOptions(options, 'command', {
+ beforeDelay: 500,
+ times: 1
+ });
+
+ var times = options.times;
+ timer(function perform() {
+ try {
+ if (_.isFunction(options.command)) {
+ options.command(editor, options);
+ } else {
+ editor.execCommand(options.command);
+ }
+ } catch (e) {}
+ if (--times > 0) {
+ timer(perform, options.beforeDelay);
+ } else {
+ next();
+ }
+ }, options.beforeDelay);
+ },
+
+ /**
+ * Creates selection for specified position
+ * @param {Object} options
+ * @param {CodeMirror} editor
+ * @param {Function} next
+ * @param {Function} timer
+ */
+ 'select': function(options, editor, next, timer) {
+ options = makeOptions(options, 'to', {
+ from: 'caret'
+ });
+
+ var from = makePos(options.from, editor);
+ var to = makePos(options.to, editor);
+ editor.setSelection(from, to);
+ next();
+ }
+ };
+
+ /**
+ * Parses action call from string
+ * @param {String} data
+ * @returns {Object}
+ */
+ function parseActionCall(data) {
+ if (_.isString(data)) {
+ var parts = data.split(':');
+ return {
+ name: parts.shift(),
+ options: parts.join(':')
+ };
+ } else {
+ var name = _.keys(data)[0];
+ return {
+ name: name,
+ options: data[name]
+ };
+ }
+ }
+
+ function makeOptions(options, name, defaults) {
+ if (_.isString(options)) {
+ var o = {};
+ o[name] = options;
+ options = o;
+ }
+
+ return _.extend(defaults, options || {});
+ }
+
+ /**
+ * Helper function that produces <code>{line, ch}</code> object from
+ * passed argument
+ * @param {Object} pos
+ * @param {CodeMirror} editor
+ * @returns {Object}
+ */
+ function makePos(pos, editor) {
+ if (_.isString(pos)) {
+ if (pos === 'caret') {
+ return editor.getCursor(true);
+ }
+
+ if (~pos.indexOf(':')) {
+ var parts = pos.split(':');
+ return {
+ line: parseInt(parts[0], 10),
+ ch: parseInt(parts[1], 10)
+ };
+ }
+
+ pos = parseInt(pos, 10);
+ }
+
+ if (_.isNumber(pos)) {
+ return editor.posFromIndex(pos);
+ }
+
+ return pos;
+ }
+
+ function requestTimer(fn, delay) {
+ if (!delay) {
+ fn();
+ } else {
+ return setTimeout(fn, delay);
+ }
+ }
+
+ // XXX add 'revert' action to CodeMirror to restore original text and position
+ CodeMirror.commands.revert = function(editor) {
+ if (editor.__initial) {
+ editor.setValue(editor.__initial.content);
+ editor.setCursor(editor.__initial.pos);
+ }
+ };
+
+
+ /**
+ * @param {Object} actions Actions scenario
+ * @param {Object} data Initial content (<code>String</code>) or editor
+ * instance (<code>CodeMirror</code>)
+ */
+ function Scenario(actions, data) {
+ this._actions = actions;
+ this._actionIx = 0;
+ this._editor = null;
+ this._state = STATE_IDLE;
+ this._timerQueue = [];
+
+ if (data && 'getValue' in data) {
+ this._editor = data;
+ }
+
+ var ed = this._editor;
+ if (ed && !ed.__initial) {
+ ed.__initial = {
+ content: ed.getValue(),
+ pos: ed.getCursor(true)
+ };
+ }
+ }
+
+ Scenario.prototype = {
+ _setup: function(editor) {
+ if (!editor && this._editor) {
+ editor = this._editor;
+ }
+
+ editor.execCommand('revert');
+ return editor;
+ },
+
+ /**
+ * Play current scenario
+ * @param {CodeMirror} editor Editor instance where on which scenario
+ * should be played
+ * @memberOf Scenario
+ */
+ play: function(editor) {
+ if (this._state === STATE_PLAY) {
+ // already playing
+ return;
+ }
+
+ if (this._state === STATE_PAUSE) {
+ // revert from paused state
+ editor = editor || this._editor;
+ editor.focus();
+ var timerObj = null;
+ while (timerObj = this._timerQueue.shift()) {
+ requestTimer(timerObj.fn, timerObj.delay);
+ }
+
+ this._state = STATE_PLAY;
+ this.trigger('resume');
+ return;
+ }
+
+ this._editor = editor = this._setup(editor);
+ editor.focus();
+
+ var timer = _.bind(this.requestTimer, this);
+ var that = this;
+ this._actionIx = 0;
+ var next = function() {
+ if (that._actionIx >= that._actions.length) {
+ return timer(function() {
+ that.stop();
+ }, defaultOptions.afterDelay);
+ }
+
+ that.trigger('action', that._actionIx);
+ var action = parseActionCall(that._actions[that._actionIx++]);
+
+ if (action.name in actionsDefinition) {
+ actionsDefinition[action.name].call(that, action.options, editor, next, timer);
+ } else {
+ throw 'No such action: ' + action.name;
+ }
+ };
+
+ this._state = STATE_PLAY;
+ this._editor.setOption('readOnly', true);
+ this.trigger('play');
+ timer(next, defaultOptions.beforeDelay);
+ },
+
+ /**
+ * Pause current scenario playback. It can be restored with
+ * <code>play()</code> method call
+ */
+ pause: function() {
+ this._state = STATE_PAUSE;
+ this.trigger('pause');
+ },
+
+ /**
+ * Stops playback of current scenario
+ */
+ stop: function() {
+ if (this._state !== STATE_IDLE) {
+ this._state = STATE_IDLE;
+ this._timerQueue.length = 0;
+ this._editor.setOption('readOnly', false);
+ this.trigger('stop');
+ }
+ },
+
+ /**
+ * Returns current playback state
+ * @return {String}
+ */
+ state: function() {
+ return this._state;
+ },
+
+ /**
+ * Toggle playback of movie scenario
+ */
+ toggle: function() {
+ if (this._state === STATE_PLAY) {
+ this.pause();
+ } else {
+ this.play();
+ }
+ },
+
+ requestTimer: function(fn, delay) {
+ if (this._state !== STATE_PLAY) {
+ // save function call into a queue till next 'play()' call
+ this._timerQueue.push({
+ fn: fn,
+ delay: delay
+ });
+ } else {
+ return requestTimer(fn, delay);
+ }
+ },
+
+ // borrowed from Backbone
+ /**
+ * Bind one or more space separated events, `events`, to a `callback`
+ * function. Passing `"all"` will bind the callback to all events fired.
+ * @param {String} events
+ * @param {Function} callback
+ * @param {Object} context
+ * @memberOf eventDispatcher
+ */
+ on: function(events, callback, context) {
+ var calls, event, node, tail, list;
+ if (!callback) {
+ return this;
+ }
+
+ events = events.split(eventSplitter);
+ calls = this._callbacks || (this._callbacks = {});
+
+ // Create an immutable callback list, allowing traversal during
+ // modification. The tail is an empty object that will always be used
+ // as the next node.
+ while (event = events.shift()) {
+ list = calls[event];
+ node = list ? list.tail : {};
+ node.next = tail = {};
+ node.context = context;
+ node.callback = callback;
+ calls[event] = {
+ tail : tail,
+ next : list ? list.next : node
+ };
+ }
+
+ return this;
+ },
+
+ /**
+ * Remove one or many callbacks. If `context` is null, removes all
+ * callbacks with that function. If `callback` is null, removes all
+ * callbacks for the event. If `events` is null, removes all bound
+ * callbacks for all events.
+ * @param {String} events
+ * @param {Function} callback
+ * @param {Object} context
+ */
+ off: function(events, callback, context) {
+ var event, calls, node, tail, cb, ctx;
+
+ // No events, or removing *all* events.
+ if (!(calls = this._callbacks)) {
+ return;
+ }
+
+ if (!(events || callback || context)) {
+ delete this._callbacks;
+ return this;
+ }
+
+ // Loop through the listed events and contexts, splicing them out of the
+ // linked list of callbacks if appropriate.
+ events = events ? events.split(eventSplitter) : _.keys(calls);
+ while (event = events.shift()) {
+ node = calls[event];
+ delete calls[event];
+ if (!node || !(callback || context)) {
+ continue;
+ }
+
+ // Create a new list, omitting the indicated callbacks.
+ tail = node.tail;
+ while ((node = node.next) !== tail) {
+ cb = node.callback;
+ ctx = node.context;
+ if ((callback && cb !== callback) || (context && ctx !== context)) {
+ this.on(event, cb, ctx);
+ }
+ }
+ }
+
+ return this;
+ },
+
+ /**
+ * Trigger one or many events, firing all bound callbacks. Callbacks are
+ * passed the same arguments as `trigger` is, apart from the event name
+ * (unless you're listening on `"all"`, which will cause your callback
+ * to receive the true name of the event as the first argument).
+ * @param {String} events
+ */
+ trigger: function(events) {
+ var event, node, calls, tail, args, all, rest;
+ if (!(calls = this._callbacks)) {
+ return this;
+ }
+
+ all = calls.all;
+ events = events.split(eventSplitter);
+ rest = slice.call(arguments, 1);
+
+ // For each event, walk through the linked list of callbacks twice,
+ // first to trigger the event, then to trigger any `"all"` callbacks.
+ while (event = events.shift()) {
+ if (node = calls[event]) {
+ tail = node.tail;
+ while ((node = node.next) !== tail) {
+ node.callback.apply(node.context || this, rest);
+ }
+ }
+ if (node = all) {
+ tail = node.tail;
+ args = [ event ].concat(rest);
+ while ((node = node.next) !== tail) {
+ node.callback.apply(node.context || this, args);
+ }
+ }
+ }
+
+ return this;
+ }
+ };
+
+ return _.extend(function(actions, data) {
+ return new Scenario(actions, data);
+ }, {
+ defineAction: function(name, fn) {
+ actionsDefinition[name] = fn;
+ },
+ makeOptions: makeOptions,
+ makePos: makePos,
+ has3d: has3d,
+ prefixed: prefixed
+ });
+})();
+/**
+ * Extension that allows authors to display context tooltips bound to specific
+ * positions
+ */
+CodeMirror.scenarioTooltip = (function() {
+ "use strict";
+ var instance = null;
+ var lastTween = null;
+ var sc = CodeMirror.scenario;
+
+ var alignDefaults = {
+ /** CSS selector for getting popup tail */
+ tailClass: 'CodeMirror-tooltip__tail',
+
+ /** Class name for switching tail/popup position relative to target point */
+ belowClass: 'CodeMirror-tooltip_below',
+
+ /** Min distance between popup and viewport */
+ popupMargin: 5,
+
+ /** Min distance between popup left/right edge and its tail */
+ tailMargin: 11
+ };
+
+ function getViewportRect() {
+ var body = document.body;
+ var docElem = document.documentElement;
+ var clientTop = docElem.clientTop || body.clientTop || 0;
+ var clientLeft = docElem.clientLeft || body.clientLeft || 0;
+ var scrollTop = window.pageYOffset || docElem.scrollTop || body.scrollTop;
+ var scrollLeft = window.pageXOffset || docElem.scrollLeft || body.scrollLeft;
+
+ return {
+ top: scrollTop - clientTop,
+ left: scrollLeft - clientLeft,
+ width: body.clientWidth || docElem.clientWidth,
+ height: body.clientHeight || docElem.clientHeight
+ };
+ }
+
+ /**
+ * Helper function that finds optimal position of tooltip popup on page