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timeline.local.js
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/*
TimelineJS - ver. 3.5.1 - 2017-05-03
Copyright (c) 2012-2016 Northwestern University
a project of the Northwestern University Knight Lab, originally created by Zach Wise
https://github.com/NUKnightLab/TimelineJS3
This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/* **********************************************
Begin TL.js
********************************************** */
/*!
TL
*/
(function (root) {
root.TL = {
VERSION: '0.1',
_originalL: root.TL
};
}(this));
/* TL.Debug
Debug mode
================================================== */
TL.debug = false;
/* TL.Bind
================================================== */
TL.Bind = function (/*Function*/ fn, /*Object*/ obj) /*-> Object*/ {
return function () {
return fn.apply(obj, arguments);
};
};
/* Trace (console.log)
================================================== */
trace = function( msg ) {
if (TL.debug) {
if (window.console) {
console.log(msg);
} else if ( typeof( jsTrace ) != 'undefined' ) {
jsTrace.send( msg );
} else {
//alert(msg);
}
}
}
/* **********************************************
Begin TL.Error.js
********************************************** */
/* Timeline Error class */
function TL_Error(message_key, detail) {
this.name = 'TL.Error';
this.message = message_key || 'error';
this.message_key = this.message;
this.detail = detail || '';
// Grab stack?
var e = new Error();
if(e.hasOwnProperty('stack')) {
this.stack = e.stack;
}
}
TL_Error.prototype = Object.create(Error.prototype);
TL_Error.prototype.constructor = TL_Error;
TL.Error = TL_Error;
/* **********************************************
Begin TL.Util.js
********************************************** */
/* TL.Util
Class of utilities
================================================== */
TL.Util = {
mergeData: function(data_main, data_to_merge) {
var x;
for (x in data_to_merge) {
if (Object.prototype.hasOwnProperty.call(data_to_merge, x)) {
data_main[x] = data_to_merge[x];
}
}
return data_main;
},
// like TL.Util.mergeData but takes an arbitrarily long list of sources to merge.
extend: function (/*Object*/ dest) /*-> Object*/ { // merge src properties into dest
var sources = Array.prototype.slice.call(arguments, 1);
for (var j = 0, len = sources.length, src; j < len; j++) {
src = sources[j] || {};
TL.Util.mergeData(dest, src);
}
return dest;
},
isEven: function(n) {
return n == parseFloat(n)? !(n%2) : void 0;
},
isTrue: function(s) {
if (s == null) return false;
return s == true || String(s).toLowerCase() == 'true' || Number(s) == 1;
},
findArrayNumberByUniqueID: function(id, array, prop, defaultVal) {
var _n = defaultVal || 0;
for (var i = 0; i < array.length; i++) {
if (array[i].data[prop] == id) {
_n = i;
}
};
return _n;
},
convertUnixTime: function(str) {
var _date, _months, _year, _month, _day, _time, _date_array = [],
_date_str = {
ymd:"",
time:"",
time_array:[],
date_array:[],
full_array:[]
};
_date_str.ymd = str.split(" ")[0];
_date_str.time = str.split(" ")[1];
_date_str.date_array = _date_str.ymd.split("-");
_date_str.time_array = _date_str.time.split(":");
_date_str.full_array = _date_str.date_array.concat(_date_str.time_array)
for(var i = 0; i < _date_str.full_array.length; i++) {
_date_array.push( parseInt(_date_str.full_array[i]) )
}
_date = new Date(_date_array[0], _date_array[1], _date_array[2], _date_array[3], _date_array[4], _date_array[5]);
_months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
_year = _date.getFullYear();
_month = _months[_date.getMonth()];
_day = _date.getDate();
_time = _month + ', ' + _day + ' ' + _year;
return _time;
},
setData: function (obj, data) {
obj.data = TL.Util.extend({}, obj.data, data);
if (obj.data.unique_id === "") {
obj.data.unique_id = TL.Util.unique_ID(6);
}
},
stamp: (function () {
var lastId = 0, key = '_tl_id';
return function (/*Object*/ obj) {
obj[key] = obj[key] || ++lastId;
return obj[key];
};
}()),
isArray: (function () {
// Use compiler's own isArray when available
if (Array.isArray) {
return Array.isArray;
}
// Retain references to variables for performance
// optimization
var objectToStringFn = Object.prototype.toString,
arrayToStringResult = objectToStringFn.call([]);
return function (subject) {
return objectToStringFn.call(subject) === arrayToStringResult;
};
}()),
getRandomNumber: function(range) {
return Math.floor(Math.random() * range);
},
unique_ID: function(size, prefix) {
var getRandomNumber = function(range) {
return Math.floor(Math.random() * range);
};
var getRandomChar = function() {
var chars = "abcdefghijklmnopqurstuvwxyz";
return chars.substr( getRandomNumber(32), 1 );
};
var randomID = function(size) {
var str = "";
for(var i = 0; i < size; i++) {
str += getRandomChar();
}
return str;
};
if (prefix) {
return prefix + "-" + randomID(size);
} else {
return "tl-" + randomID(size);
}
},
ensureUniqueKey: function(obj, candidate) {
if (!candidate) { candidate = TL.Util.unique_ID(6); }
if (!(candidate in obj)) { return candidate; }
var root = candidate.match(/^(.+)(-\d+)?$/)[1];
var similar_ids = [];
// get an alternative
for (key in obj) {
if (key.match(/^(.+?)(-\d+)?$/)[1] == root) {
similar_ids.push(key);
}
}
candidate = root + "-" + (similar_ids.length + 1);
for (var counter = similar_ids.length; similar_ids.indexOf(candidate) != -1; counter++) {
candidate = root + '-' + counter;
}
return candidate;
},
htmlify: function(str) {
//if (str.match(/<\s*p[^>]*>([^<]*)<\s*\/\s*p\s*>/)) {
if (str.match(/<p>[\s\S]*?<\/p>/)) {
return str;
} else {
return "<p>" + str + "</p>";
}
},
unhtmlify: function(str) {
str = str.replace(/(<[^>]*>)+/g, '');
return str.replace('"', "'");
},
/* * Turns plain text links into real links
================================================== */
linkify: function(text,targets,is_touch) {
var make_link = function(url, link_text, prefix) {
if (!prefix) {
prefix = "";
}
var MAX_LINK_TEXT_LENGTH = 30;
if (link_text && link_text.length > MAX_LINK_TEXT_LENGTH) {
link_text = link_text.substring(0,MAX_LINK_TEXT_LENGTH) + "\u2026"; // unicode ellipsis
}
return prefix + "<a class='tl-makelink' href='" + url + "' onclick='void(0)'>" + link_text + "</a>";
}
// http://, https://, ftp://
var urlPattern = /\b(?:https?|ftp):\/\/([a-z0-9-+&@#\/%?=~_|!:,.;]*[a-z0-9-+&@#\/%=~_|])/gim;
// www. sans http:// or https://
var pseudoUrlPattern = /(^|[^\/>])(www\.[\S]+(\b|$))/gim;
// Email addresses
var emailAddressPattern = /([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+)/gim;
return text
.replace(urlPattern, function(match, url_sans_protocol, offset, string) {
// Javascript doesn't support negative lookbehind assertions, so
// we need to handle risk of matching URLs in legit hrefs
if (offset > 0) {
var prechar = string[offset-1];
if (prechar == '"' || prechar == "'" || prechar == "=") {
return match;
}
}
return make_link(match, url_sans_protocol);
})
.replace(pseudoUrlPattern, function(match, beforePseudo, pseudoUrl, offset, string) {
return make_link('http://' + pseudoUrl, pseudoUrl, beforePseudo);
})
.replace(emailAddressPattern, function(match, email, offset, string) {
return make_link('mailto:' + email, email);
});
},
unlinkify: function(text) {
if(!text) return text;
text = text.replace(/<a\b[^>]*>/i,"");
text = text.replace(/<\/a>/i, "");
return text;
},
getParamString: function (obj) {
var params = [];
for (var i in obj) {
if (obj.hasOwnProperty(i)) {
params.push(i + '=' + obj[i]);
}
}
return '?' + params.join('&');
},
formatNum: function (num, digits) {
var pow = Math.pow(10, digits || 5);
return Math.round(num * pow) / pow;
},
falseFn: function () {
return false;
},
requestAnimFrame: (function () {
function timeoutDefer(callback) {
window.setTimeout(callback, 1000 / 60);
}
var requestFn = window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
timeoutDefer;
return function (callback, context, immediate, contextEl) {
callback = context ? TL.Util.bind(callback, context) : callback;
if (immediate && requestFn === timeoutDefer) {
callback();
} else {
requestFn(callback, contextEl);
}
};
}()),
bind: function (/*Function*/ fn, /*Object*/ obj) /*-> Object*/ {
return function () {
return fn.apply(obj, arguments);
};
},
template: function (str, data) {
return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
var value = data[key];
if (!data.hasOwnProperty(key)) {
throw new TL.Error("template_value_err", str);
}
return value;
});
},
hexToRgb: function(hex) {
// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
if (TL.Util.css_named_colors[hex.toLowerCase()]) {
hex = TL.Util.css_named_colors[hex.toLowerCase()];
}
var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
hex = hex.replace(shorthandRegex, function(m, r, g, b) {
return r + r + g + g + b + b;
});
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16)
} : null;
},
// given an object with r, g, and b keys, or a string of the form 'rgb(mm,nn,ll)', return a CSS hex string including the leading '#' character
rgbToHex: function(rgb) {
var r,g,b;
if (typeof(rgb) == 'object') {
r = rgb.r;
g = rgb.g;
b = rgb.b;
} else if (typeof(rgb.match) == 'function'){
var parts = rgb.match(/^rgb\((\d+),(\d+),(\d+)\)$/);
if (parts) {
r = parts[1];
g = parts[2];
b = parts[3];
}
}
if (isNaN(r) || isNaN(b) || isNaN(g)) {
throw new TL.Error("invalid_rgb_err");
}
return "#" + TL.Util.intToHexString(r) + TL.Util.intToHexString(g) + TL.Util.intToHexString(b);
},
colorObjToHex: function(o) {
var parts = [o.r, o.g, o.b];
return TL.Util.rgbToHex("rgb(" + parts.join(',') + ")")
},
css_named_colors: {
"aliceblue": "#f0f8ff",
"antiquewhite": "#faebd7",
"aqua": "#00ffff",
"aquamarine": "#7fffd4",
"azure": "#f0ffff",
"beige": "#f5f5dc",
"bisque": "#ffe4c4",
"black": "#000000",
"blanchedalmond": "#ffebcd",
"blue": "#0000ff",
"blueviolet": "#8a2be2",
"brown": "#a52a2a",
"burlywood": "#deb887",
"cadetblue": "#5f9ea0",
"chartreuse": "#7fff00",
"chocolate": "#d2691e",
"coral": "#ff7f50",
"cornflowerblue": "#6495ed",
"cornsilk": "#fff8dc",
"crimson": "#dc143c",
"cyan": "#00ffff",
"darkblue": "#00008b",
"darkcyan": "#008b8b",
"darkgoldenrod": "#b8860b",
"darkgray": "#a9a9a9",
"darkgreen": "#006400",
"darkkhaki": "#bdb76b",
"darkmagenta": "#8b008b",
"darkolivegreen": "#556b2f",
"darkorange": "#ff8c00",
"darkorchid": "#9932cc",
"darkred": "#8b0000",
"darksalmon": "#e9967a",
"darkseagreen": "#8fbc8f",
"darkslateblue": "#483d8b",
"darkslategray": "#2f4f4f",
"darkturquoise": "#00ced1",
"darkviolet": "#9400d3",
"deeppink": "#ff1493",
"deepskyblue": "#00bfff",
"dimgray": "#696969",
"dodgerblue": "#1e90ff",
"firebrick": "#b22222",
"floralwhite": "#fffaf0",
"forestgreen": "#228b22",
"fuchsia": "#ff00ff",
"gainsboro": "#dcdcdc",
"ghostwhite": "#f8f8ff",
"gold": "#ffd700",
"goldenrod": "#daa520",
"gray": "#808080",
"green": "#008000",
"greenyellow": "#adff2f",
"honeydew": "#f0fff0",
"hotpink": "#ff69b4",
"indianred": "#cd5c5c",
"indigo": "#4b0082",
"ivory": "#fffff0",
"khaki": "#f0e68c",
"lavender": "#e6e6fa",
"lavenderblush": "#fff0f5",
"lawngreen": "#7cfc00",
"lemonchiffon": "#fffacd",
"lightblue": "#add8e6",
"lightcoral": "#f08080",
"lightcyan": "#e0ffff",
"lightgoldenrodyellow": "#fafad2",
"lightgray": "#d3d3d3",
"lightgreen": "#90ee90",
"lightpink": "#ffb6c1",
"lightsalmon": "#ffa07a",
"lightseagreen": "#20b2aa",
"lightskyblue": "#87cefa",
"lightslategray": "#778899",
"lightsteelblue": "#b0c4de",
"lightyellow": "#ffffe0",
"lime": "#00ff00",
"limegreen": "#32cd32",
"linen": "#faf0e6",
"magenta": "#ff00ff",
"maroon": "#800000",
"mediumaquamarine": "#66cdaa",
"mediumblue": "#0000cd",
"mediumorchid": "#ba55d3",
"mediumpurple": "#9370db",
"mediumseagreen": "#3cb371",
"mediumslateblue": "#7b68ee",
"mediumspringgreen": "#00fa9a",
"mediumturquoise": "#48d1cc",
"mediumvioletred": "#c71585",
"midnightblue": "#191970",
"mintcream": "#f5fffa",
"mistyrose": "#ffe4e1",
"moccasin": "#ffe4b5",
"navajowhite": "#ffdead",
"navy": "#000080",
"oldlace": "#fdf5e6",
"olive": "#808000",
"olivedrab": "#6b8e23",
"orange": "#ffa500",
"orangered": "#ff4500",
"orchid": "#da70d6",
"palegoldenrod": "#eee8aa",
"palegreen": "#98fb98",
"paleturquoise": "#afeeee",
"palevioletred": "#db7093",
"papayawhip": "#ffefd5",
"peachpuff": "#ffdab9",
"peru": "#cd853f",
"pink": "#ffc0cb",
"plum": "#dda0dd",
"powderblue": "#b0e0e6",
"purple": "#800080",
"rebeccapurple": "#663399",
"red": "#ff0000",
"rosybrown": "#bc8f8f",
"royalblue": "#4169e1",
"saddlebrown": "#8b4513",
"salmon": "#fa8072",
"sandybrown": "#f4a460",
"seagreen": "#2e8b57",
"seashell": "#fff5ee",
"sienna": "#a0522d",
"silver": "#c0c0c0",
"skyblue": "#87ceeb",
"slateblue": "#6a5acd",
"slategray": "#708090",
"snow": "#fffafa",
"springgreen": "#00ff7f",
"steelblue": "#4682b4",
"tan": "#d2b48c",
"teal": "#008080",
"thistle": "#d8bfd8",
"tomato": "#ff6347",
"turquoise": "#40e0d0",
"violet": "#ee82ee",
"wheat": "#f5deb3",
"white": "#ffffff",
"whitesmoke": "#f5f5f5",
"yellow": "#ffff00",
"yellowgreen": "#9acd32"
},
ratio: {
square: function(size) {
var s = {
w: 0,
h: 0
}
if (size.w > size.h && size.h > 0) {
s.h = size.h;
s.w = size.h;
} else {
s.w = size.w;
s.h = size.w;
}
return s;
},
r16_9: function(size) {
if (size.w !== null && size.w !== "") {
return Math.round((size.w / 16) * 9);
} else if (size.h !== null && size.h !== "") {
return Math.round((size.h / 9) * 16);
} else {
return 0;
}
},
r4_3: function(size) {
if (size.w !== null && size.w !== "") {
return Math.round((size.w / 4) * 3);
} else if (size.h !== null && size.h !== "") {
return Math.round((size.h / 3) * 4);
}
}
},
getObjectAttributeByIndex: function(obj, index) {
if(typeof obj != 'undefined') {
var i = 0;
for (var attr in obj){
if (index === i){
return obj[attr];
}
i++;
}
return "";
} else {
return "";
}
},
getUrlVars: function(string) {
var str,
vars = [],
hash,
hashes;
str = string.toString();
if (str.match('&')) {
str = str.replace("&", "&");
} else if (str.match('&')) {
str = str.replace("&", "&");
} else if (str.match('&')) {
str = str.replace("&", "&");
}
hashes = str.slice(str.indexOf('?') + 1).split('&');
for(var i = 0; i < hashes.length; i++) {
hash = hashes[i].split('=');
vars.push(hash[0]);
vars[hash[0]] = hash[1];
}
return vars;
},
/**
* Remove any leading or trailing whitespace from the given string.
* If `str` is undefined or does not have a `replace` function, return
* an empty string.
*/
trim: function(str) {
if (str && typeof(str.replace) == 'function') {
return str.replace(/^\s+|\s+$/g, '');
}
return "";
},
slugify: function(str) {
// borrowed from http://stackoverflow.com/a/5782563/102476
str = TL.Util.trim(str);
str = str.toLowerCase();
// remove accents, swap ñ for n, etc
var from = "ãà áäâẽèéëêìÃïîõòóöôùúüûñç·/_,:;";
var to = "aaaaaeeeeeiiiiooooouuuunc------";
for (var i=0, l=from.length ; i<l ; i++) {
str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
}
str = str.replace(/[^a-z0-9 -]/g, '') // remove invalid chars
.replace(/\s+/g, '-') // collapse whitespace and replace by -
.replace(/-+/g, '-'); // collapse dashes
str = str.replace(/^([0-9])/,'_$1');
return str;
},
maxDepth: function(ary) {
// given a sorted array of 2-tuples of numbers, count how many "deep" the items are.
// that is, what is the maximum number of tuples that occupy any one moment
// each tuple should also be sorted
var stack = [];
var max_depth = 0;
for (var i = 0; i < ary.length; i++) {
stack.push(ary[i]);
if (stack.length > 1) {
var top = stack[stack.length - 1]
var bottom_idx = -1;
for (var j = 0; j < stack.length - 1; j++) {
if (stack[j][1] < top[0]) {
bottom_idx = j;
}
};
if (bottom_idx >= 0) {
stack = stack.slice(bottom_idx + 1);
}
}
if (stack.length > max_depth) {
max_depth = stack.length;
}
};
return max_depth;
},
pad: function (val, len) {
val = String(val);
len = len || 2;
while (val.length < len) val = "0" + val;
return val;
},
intToHexString: function(i) {
return TL.Util.pad(parseInt(i,10).toString(16));
},
findNextGreater: function(list, current, default_value) {
// given a sorted list and a current value which *might* be in the list,
// return the next greatest value if the current value is >= the last item in the list, return default,
// or if default is undefined, return input value
for (var i = 0; i < list.length; i++) {
if (current < list[i]) {
return list[i];
}
}
return (default_value) ? default_value : current;
},
findNextLesser: function(list, current, default_value) {
// given a sorted list and a current value which *might* be in the list,
// return the next lesser value if the current value is <= the last item in the list, return default,
// or if default is undefined, return input value
for (var i = list.length - 1; i >= 0; i--) {
if (current > list[i]) {
return list[i];
}
}
return (default_value) ? default_value : current;
},
isEmptyObject: function(o) {
var properties = []
if (Object.keys) {
properties = Object.keys(o);
} else { // all this to support IE 8
for (var p in o) if (Object.prototype.hasOwnProperty.call(o,p)) properties.push(p);
}
for (var i = 0; i < properties.length; i++) {
var k = properties[i];
if (o[k] != null && typeof o[k] != "string") return false;
if (TL.Util.trim(o[k]).length != 0) return false;
}
return true;
},
parseYouTubeTime: function(s) {
// given a YouTube start time string in a reasonable format, reduce it to a number of seconds as an integer.
if (typeof(s) == 'string') {
parts = s.match(/^\s*(\d+h)?(\d+m)?(\d+s)?\s*/i);
if (parts) {
var hours = parseInt(parts[1]) || 0;
var minutes = parseInt(parts[2]) || 0;
var seconds = parseInt(parts[3]) || 0;
return seconds + (minutes * 60) + (hours * 60 * 60);
}
} else if (typeof(s) == 'number') {
return s;
}
return 0;
},
/**
* Try to make seamless the process of interpreting a URL to a web page which embeds an image for sharing purposes
* as a direct image link. Some services have predictable transformations we can use rather than explain to people
* this subtlety.
*/
transformImageURL: function(url) {
return url.replace(/(.*)www.dropbox.com\/(.*)/, '$1dl.dropboxusercontent.com/$2')
},
base58: (function(alpha) {
var alphabet = alpha || '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ',
base = alphabet.length;
return {
encode: function(enc) {
if(typeof enc!=='number' || enc !== parseInt(enc))
throw '"encode" only accepts integers.';
var encoded = '';
while(enc) {
var remainder = enc % base;
enc = Math.floor(enc / base);
encoded = alphabet[remainder].toString() + encoded;
}
return encoded;
},
decode: function(dec) {
if(typeof dec!=='string')
throw '"decode" only accepts strings.';
var decoded = 0;
while(dec) {
var alphabetPosition = alphabet.indexOf(dec[0]);
if (alphabetPosition < 0)
throw '"decode" can\'t find "' + dec[0] + '" in the alphabet: "' + alphabet + '"';
var powerOf = dec.length - 1;
decoded += alphabetPosition * (Math.pow(base, powerOf));
dec = dec.substring(1);
}
return decoded;
}
};
})()
};
/* **********************************************
Begin TL.Data.js
********************************************** */
// Expects TL to be visible in scope
;(function(TL){
/* Zepto v1.1.2-15-g59d3fe5 - zepto event ajax form ie - zeptojs.com/license */
var Zepto = (function() {
var undefined, key, $, classList, emptyArray = [], slice = emptyArray.slice, filter = emptyArray.filter,
document = window.document,
elementDisplay = {}, classCache = {},
cssNumber = { 'column-count': 1, 'columns': 1, 'font-weight': 1, 'line-height': 1,'opacity': 1, 'z-index': 1, 'zoom': 1 },
fragmentRE = /^\s*<(\w+|!)[^>]*>/,
singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
rootNodeRE = /^(?:body|html)$/i,
capitalRE = /([A-Z])/g,
// special attributes that should be get/set via method calls
methodAttributes = ['val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'],
adjacencyOperators = [ 'after', 'prepend', 'before', 'append' ],
table = document.createElement('table'),
tableRow = document.createElement('tr'),
containers = {
'tr': document.createElement('tbody'),
'tbody': table, 'thead': table, 'tfoot': table,
'td': tableRow, 'th': tableRow,
'*': document.createElement('div')
},
readyRE = /complete|loaded|interactive/,
classSelectorRE = /^\.([\w-]+)$/,
idSelectorRE = /^#([\w-]*)$/,
simpleSelectorRE = /^[\w-]*$/,
class2type = {},
toString = class2type.toString,
zepto = {},
camelize, uniq,
tempParent = document.createElement('div'),
propMap = {
'tabindex': 'tabIndex',
'readonly': 'readOnly',
'for': 'htmlFor',
'class': 'className',
'maxlength': 'maxLength',
'cellspacing': 'cellSpacing',
'cellpadding': 'cellPadding',
'rowspan': 'rowSpan',
'colspan': 'colSpan',
'usemap': 'useMap',
'frameborder': 'frameBorder',
'contenteditable': 'contentEditable'
},
isArray = Array.isArray ||
function(object){ return object instanceof Array }
zepto.matches = function(element, selector) {
if (!selector || !element || element.nodeType !== 1) return false
var matchesSelector = element.webkitMatchesSelector || element.mozMatchesSelector ||
element.oMatchesSelector || element.matchesSelector
if (matchesSelector) return matchesSelector.call(element, selector)
// fall back to performing a selector:
var match, parent = element.parentNode, temp = !parent
if (temp) (parent = tempParent).appendChild(element)
match = ~zepto.qsa(parent, selector).indexOf(element)
temp && tempParent.removeChild(element)
return match
}
function type(obj) {
return obj == null ? String(obj) :
class2type[toString.call(obj)] || "object"
}
function isFunction(value) { return type(value) == "function" }
function isWindow(obj) { return obj != null && obj == obj.window }
function isDocument(obj) { return obj != null && obj.nodeType == obj.DOCUMENT_NODE }
function isObject(obj) { return type(obj) == "object" }
function isPlainObject(obj) {
return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) == Object.prototype
}
function likeArray(obj) { return typeof obj.length == 'number' }
function compact(array) { return filter.call(array, function(item){ return item != null }) }
function flatten(array) { return array.length > 0 ? $.fn.concat.apply([], array) : array }
camelize = function(str){ return str.replace(/-+(.)?/g, function(match, chr){ return chr ? chr.toUpperCase() : '' }) }
function dasherize(str) {
return str.replace(/::/g, '/')
.replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
.replace(/([a-z\d])([A-Z])/g, '$1_$2')
.replace(/_/g, '-')
.toLowerCase()
}
uniq = function(array){ return filter.call(array, function(item, idx){ return array.indexOf(item) == idx }) }
function classRE(name) {
return name in classCache ?
classCache[name] : (classCache[name] = new RegExp('(^|\\s)' + name + '(\\s|$)'))
}
function maybeAddPx(name, value) {
return (typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px" : value
}
function defaultDisplay(nodeName) {
var element, display
if (!elementDisplay[nodeName]) {
element = document.createElement(nodeName)
document.body.appendChild(element)
display = getComputedStyle(element, '').getPropertyValue("display")
element.parentNode.removeChild(element)
display == "none" && (display = "block")
elementDisplay[nodeName] = display
}
return elementDisplay[nodeName]
}
function children(element) {
return 'children' in element ?
slice.call(element.children) :
$.map(element.childNodes, function(node){ if (node.nodeType == 1) return node })
}
// `$.zepto.fragment` takes a html string and an optional tag name
// to generate DOM nodes nodes from the given html string.
// The generated DOM nodes are returned as an array.
// This function can be overriden in plugins for example to make
// it compatible with browsers that don't support the DOM fully.
zepto.fragment = function(html, name, properties) {
var dom, nodes, container
// A special case optimization for a single tag
if (singleTagRE.test(html)) dom = $(document.createElement(RegExp.$1))
if (!dom) {
if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>")
if (name === undefined) name = fragmentRE.test(html) && RegExp.$1
if (!(name in containers)) name = '*'
container = containers[name]
container.innerHTML = '' + html
dom = $.each(slice.call(container.childNodes), function(){
container.removeChild(this)
})
}
if (isPlainObject(properties)) {
nodes = $(dom)
$.each(properties, function(key, value) {
if (methodAttributes.indexOf(key) > -1) nodes[key](value)
else nodes.attr(key, value)
})
}
return dom
}
// `$.zepto.Z` swaps out the prototype of the given `dom` array
// of nodes with `$.fn` and thus supplying all the Zepto functions
// to the array. Note that `__proto__` is not supported on Internet
// Explorer. This method can be overriden in plugins.
zepto.Z = function(dom, selector) {
dom = dom || []
dom.__proto__ = $.fn
dom.selector = selector || ''
return dom
}
// `$.zepto.isZ` should return `true` if the given object is a Zepto
// collection. This method can be overriden in plugins.
zepto.isZ = function(object) {
return object instanceof zepto.Z
}
// `$.zepto.init` is Zepto's counterpart to jQuery's `$.fn.init` and
// takes a CSS selector and an optional context (and handles various
// special cases).
// This method can be overriden in plugins.
zepto.init = function(selector, context) {
var dom
// If nothing given, return an empty Zepto collection
if (!selector) return zepto.Z()
// Optimize for string selectors
else if (typeof selector == 'string') {
selector = selector.trim()
// If it's a html fragment, create nodes from it
// Note: In both Chrome 21 and Firefox 15, DOM error 12
// is thrown if the fragment doesn't begin with <
if (selector[0] == '<' && fragmentRE.test(selector))
dom = zepto.fragment(selector, RegExp.$1, context), selector = null
// If there's a context, create a collection on that context first, and select
// nodes from there
else if (context !== undefined) return $(context).find(selector)
// If it's a CSS selector, use it to select nodes.
else dom = zepto.qsa(document, selector)
}
// If a function is given, call it when the DOM is ready
else if (isFunction(selector)) return $(document).ready(selector)
// If a Zepto collection is given, just return it
else if (zepto.isZ(selector)) return selector