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/** | |
The MIT License (MIT) | |
Copyright (c) 2014 Samin Shams | |
Permission is hereby granted, free of charge, to any person obtaining a copy | |
of this software and associated documentation files (the "Software"), to deal | |
in the Software without restriction, including without limitation the rights | |
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
copies of the Software, and to permit persons to whom the Software is | |
furnished to do so, subject to the following conditions: | |
The above copyright notice and this permission notice shall be included in | |
all copies or substantial portions of the Software. | |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
THE SOFTWARE. | |
**/ | |
var _ = { | |
hasXHR: 'XMLHttpRequest' in window, | |
toString: Object.prototype.toString, | |
hasOwn: Object.prototype.hasOwnProperty, | |
push: Array.prototype.push, | |
slice: Array.prototype.slice, | |
trim: String.prototype.trim, | |
indexOf: Array.prototype.indexOf, | |
class2type: { | |
"[object Boolean]": "boolean", | |
"[object Number]": "number", | |
"[object String]": "string", | |
"[object Function]": "function", | |
"[object Array]": "array", | |
"[object Date]": "date", | |
"[object RegExp]": "regexp", | |
"[object Object]": "object" | |
}, | |
isFunction: function (obj) { | |
return _.type(obj) === "function"; | |
}, | |
isArray: Array.isArray || function (obj) { | |
return _.type(obj) === "array"; | |
}, | |
isWindow: function (obj) { | |
return obj !== null && obj == obj.window; | |
}, | |
isNumeric: function (obj) { | |
return !isNaN(parseFloat(obj)) && isFinite(obj); | |
}, | |
type: function (obj) { | |
return obj === null ? String(obj) : _.class2type[_.toString.call(obj)] || "object"; | |
}, | |
isPlainObject: function (obj) { | |
if (!obj || _.type(obj) !== "object" || obj.nodeType) { | |
return false; | |
} | |
try { | |
if (obj.constructor && !_.hasOwn.call(obj, "constructor") && !_.hasOwn.call(obj.constructor.prototype, "isPrototypeOf")) { | |
return false; | |
} | |
} catch (e) { | |
return false; | |
} | |
var key; | |
for (key in obj) {} | |
return key === undefined || _.hasOwn.call(obj, key); | |
}, | |
isEmpty: function(obj) { | |
for(var prop in obj) { | |
if(obj.hasOwnProperty(prop)) | |
return false; | |
} | |
return true; | |
}, | |
domLoaded: function(callback) { | |
/* Mozilla, Chrome, Opera */ | |
if (document.addEventListener) { | |
document.addEventListener('DOMContentLoaded', callback, false); | |
} | |
/* Safari, iCab, Konqueror */ | |
else if (/KHTML|WebKit|iCab/i.test(navigator.userAgent)) { | |
var DOMLoadTimer = setInterval(function () { | |
if (/loaded|complete/i.test(document.readyState)) { | |
callback(); | |
clearInterval(DOMLoadTimer); | |
} | |
}, 10); | |
} else { | |
/* Other web browsers */ | |
window.onload = callback; | |
} | |
}, | |
hasClass: function(elem, value, action) { | |
var classNames, ind; | |
if (elem.nodeType === 1) { | |
classNames = elem.className.split(' '); | |
ind = classNames.indexOf(value); | |
if (ind == -1) { | |
if (action == 'add' || action == 'toggle') { | |
classNames.push(value); | |
} else { | |
return false; | |
} | |
} else { | |
if (action == 'remove' || action == 'toggle') { | |
classNames.splice(ind, 1); | |
} else { | |
return true; | |
} | |
} | |
elem.className = classNames.join(' '); | |
} | |
}, | |
addClass: function(elem, value) { | |
_.hasClass(elem, value, 'add'); | |
}, | |
removeClass: function(elem, value) { | |
_.hasClass(elem, value, 'remove'); | |
}, | |
toggleClass: function(elem, value) { | |
_.hasClass(elem, value, 'toggle'); | |
}, | |
getIndex: function(a, b) { //helper function (see below) | |
var i = 0, l = a.length; | |
for (i = 0, len = l; i < len; i ++) { | |
if(a[i] == b) return i; | |
} | |
return false; | |
}, | |
matchUp: function(elem, selector, parent) { | |
var all, cur; | |
if (typeof selector == 'string') { | |
all = (parent) ? parent.querySelectorAll(selector) : document.querySelectorAll(selector); | |
} else { | |
all = selector; | |
} | |
cur = elem; | |
while(cur && _.getIndex(all, cur) === false) { //keep going up until you find a match | |
cur = cur.parentNode; //go up | |
} | |
return cur; //will return null if not found | |
}, | |
findParent: function(elem, selector) { | |
return _.matchUp(elem.parentNode, selector); | |
}, | |
html: function(elem, html, action) { | |
if (!action) action = 'inner'; | |
if (typeof html === 'object') { | |
var l = html.length; | |
if (typeof l == 'undefined') { | |
html[0] = html; | |
l = 1; | |
} | |
if (action == 'inner') elem.innerHTML = ''; | |
while (l--) { | |
if (action == 'replace') elem.replaceChild(html[0]); | |
else if (action == 'prepend') elem.insertBefore(html[0]); | |
else elem.appendChild(html[0]); | |
} | |
if (action == 'after') { | |
elem.parentNode.insertBefore(html[0], elem.nextSibling); | |
} | |
} else if (typeof html === 'string') { | |
if (action == 'append') elem.innerHTML += html; | |
else if (action == 'prepend') elem.innerHTML = html + elem.innerHTML; | |
else if (action == 'replace') elem.outerHTML = html; | |
else elem.innerHTML = html; | |
} | |
}, | |
offset: function(obj) { | |
var curleft = obj.offsetLeft, curtop = obj.offsetTop; | |
if (obj.offsetParent) { | |
while (obj = obj.offsetParent) { | |
curleft += obj.offsetLeft; | |
curtop += obj.offsetTop; | |
} | |
} | |
return {left:curleft,top:curtop}; | |
}, | |
serialize: function(form) { | |
'use strict'; | |
var i, j, len, jLen, formElement, q = [], | |
urlencode = function(str) { | |
// http://kevin.vanzonneveld.net | |
// Tilde should be allowed unescaped in future versions of PHP (as reflected below), but if you want to reflect current | |
// PHP behavior, you would need to add ".replace(/~/g, '%7E');" to the following. | |
return encodeURIComponent(str).replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28'). | |
replace(/\)/g, '%29').replace(/\*/g, '%2A').replace(/%20/g, '+'); | |
}, | |
addNameValue = function(name, value) { | |
q.push(urlencode(name) + '=' + urlencode(value)); | |
}; | |
if (!form || !form.nodeName || form.nodeName.toLowerCase() !== 'form') { | |
throw 'You must supply a form element'; | |
} | |
i = form.elements.length; | |
while (i--) { | |
formElement = form.elements[i]; | |
if (formElement.name === '' || formElement.disabled) { | |
continue; | |
} | |
} | |
for (i = 0, len = form.elements.length; i < len; i++) { | |
formElement = form.elements[i]; | |
if (formElement.name === '' || formElement.disabled) { | |
continue; | |
} | |
switch (formElement.nodeName.toLowerCase()) { | |
case 'input': | |
switch (formElement.type) { | |
case 'text': | |
case 'hidden': | |
case 'password': | |
case 'button': // Not submitted when submitting form manually, though jQuery does serialize this and it can be an HTML4 successful control | |
case 'submit': | |
addNameValue(formElement.name, formElement.value); | |
break; | |
case 'checkbox': | |
case 'radio': | |
if (formElement.checked) { | |
addNameValue(formElement.name, formElement.value); | |
} | |
break; | |
case 'file': | |
// addNameValue(formElement.name, formElement.value); // Will work and part of HTML4 "successful controls", but not used in jQuery | |
break; | |
case 'reset': | |
break; | |
} | |
break; | |
case 'textarea': | |
addNameValue(formElement.name, formElement.value); | |
break; | |
case 'select': | |
switch (formElement.type) { | |
case 'select-one': | |
addNameValue(formElement.name, formElement.value); | |
break; | |
case 'select-multiple': | |
for (j = 0, jLen = formElement.options.length; j < jLen; j++) { | |
if (formElement.options[j].selected) { | |
addNameValue(formElement.name, formElement.options[j].value); | |
} | |
} | |
break; | |
} | |
break; | |
case 'button': // jQuery does not submit these, though it is an HTML4 successful control | |
switch (formElement.type) { | |
case 'reset': | |
case 'submit': | |
case 'button': | |
addNameValue(formElement.name, formElement.value); | |
break; | |
} | |
break; | |
} | |
} | |
return q.join('&'); | |
}, | |
extend: function() { | |
var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {}, | |
i = 1, | |
length = arguments.length, | |
deep = false; | |
if (typeof target === "boolean") { | |
deep = target; | |
target = arguments[1] || {}; | |
i = 2; | |
} | |
if (typeof target !== "object" && !_.isFunction(target)) { | |
target = {}; | |
} | |
if (length === i) { | |
target = this; | |
--i; | |
} | |
for (var j = i; j < length; j++) { | |
if ((options = arguments[j]) !== null) { | |
for (name in options) { | |
src = target[name]; | |
copy = options[name]; | |
if (target === copy) { | |
continue; | |
} | |
if (deep && copy && (_.isPlainObject(copy) || (copyIsArray = _.isArray(copy)))) { | |
if (copyIsArray) { | |
copyIsArray = false; | |
clone = src && _.isArray(src) ? src : []; | |
} else { | |
clone = src && _.isPlainObject(src) ? src : {}; | |
} | |
// WARNING: RECURSION | |
target[name] = _.extend(deep, clone, copy); | |
} else if (copy !== undefined) { | |
target[name] = copy; | |
} | |
} | |
} | |
i++; | |
} | |
return target; | |
}, | |
createElement: function(el, attr, html) { | |
var elem = document.createElement(el); | |
if (attr) { | |
for (var i in attr) { | |
elem.setAttribute(i, attr[i]); | |
} | |
} | |
if (html) { | |
elem.innerHTML = html; | |
} | |
return elem; | |
}, | |
each: function(el, callback) { | |
if (el) { | |
var l = el.length; | |
while (l--) { | |
callback(el[l]); | |
} | |
} | |
}, | |
on: function(parent, ev, target, callback, usecapture) { | |
if (usecapture === null) usecapture = false; | |
ev = ev.split(' '); | |
var l = ev.length, | |
glob = function(e) { | |
if (target === null) { | |
e._this = parent; | |
callback(e); | |
} else { | |
var par = _.matchUp(e.target, target, parent); | |
if (par) { | |
e._this = par; | |
callback(e); | |
} | |
} | |
}; | |
while (l--) { | |
parent.addEventListener(ev[l], glob, usecapture); | |
} | |
}, | |
remove: function(el) { | |
el.parentNode.removeChild(el); | |
}, | |
createEvent: function(evName) { | |
var ev; | |
if (document.createEvent) { | |
ev = document.createEvent("HTMLEvents"); | |
ev.initEvent(evName, true, true); | |
} else { | |
ev = document.createEventObject(); | |
ev.eventType = evName; | |
} | |
ev.eventName = evName; | |
ev.memo = {}; | |
return ev; | |
}, | |
trigger: function(element, evName) { | |
var ev = _.createEvent(evName); | |
if (document.createEvent) { | |
element.dispatchEvent(ev); | |
} else { | |
element.fireEvent("on" + ev.eventType, ev); | |
} | |
}, | |
clearSelection: function() { | |
if (window.getSelection) { | |
window.getSelection().removeAllRanges(); | |
} else if (document.selection) { | |
document.selection.empty(); | |
} | |
}, | |
XHR: function(options) { | |
//$.ajax(options); | |
var def = { | |
request: false, | |
type: 'get', | |
dataType: 'json', | |
url: null, | |
data: null, | |
cache: true, | |
async: true, | |
contentType: true, | |
progress: null, | |
beforeSend: null, | |
error: null, | |
success: null, | |
complete: null | |
}; | |
var xhr = _.extend({}, def, options), | |
datatype = (!(xhr.data)) ? 'undefined' : | |
(xhr.data instanceof FormData) ? 'formdata' : | |
(typeof xhr.data === 'string') ? 'string' : | |
'object'; | |
formatURL = function(data) { | |
var url_split = xhr.url.split("?"); | |
if (url_split.length !== 1) { | |
xhr.url += "&" + data; | |
} else { | |
xhr.url += "?" + data; | |
} | |
}; | |
xhr.type = xhr.type.toUpperCase(); | |
if (datatype == 'object') { | |
var param_count = 0, | |
name, | |
value, | |
tmp_data = xhr.data; | |
for (var param in tmp_data) { | |
if(tmp_data.hasOwnProperty(param)){ | |
name = encodeURIComponent(param); | |
value = encodeURIComponent(tmp_data[param]); | |
if (param_count === 0) { | |
xhr.data = name + "=" + value; | |
} else { | |
xhr.data += "&" + name + "=" + value; | |
} | |
param_count++; | |
} | |
} | |
xhr.data = xhr.data; | |
} | |
if (xhr.data && typeof xhr.data == 'string' && xhr.type === "GET") { | |
formatURL(xhr.data); | |
} | |
if (!xhr.cache) { | |
formatURL(new Date().getTime()); | |
} | |
if (_.hasXHR) { | |
// Modern non-IE | |
xhr.request = new XMLHttpRequest(); | |
} else { | |
if (window.ActiveXObject) { | |
// Internet Explorer | |
xhr.request = new ActiveXObject("Microsoft.XMLHTTP"); | |
} else { | |
// No request object, break | |
return false; | |
} | |
} | |
xhr.request.onreadystatechange = function(e) { | |
if (xhr.request.readyState === 4 ) { | |
if (xhr.request.status == 200) { | |
if (xhr.success && _.isFunction(xhr.success)) { | |
var data = xhr.request.responseText; | |
// Returns responseText and request object | |
if (xhr.dataType == 'json') data = JSON.parse(data); | |
xhr.success(data, xhr.request.statusText); | |
} | |
} else { | |
if (xhr.error && _.isFunction(xhr.error)) { | |
// Returns request object | |
xhr.error(xhr.request, xhr.request.status, xhr.request.statusText); | |
} | |
} | |
if (xhr.complete && _.isFunction(xhr.complete)) { | |
xhr.complete(xhr.request); | |
} | |
} | |
}; | |
xhr.request.upload.onprogress = function(e) | |
{ | |
if (xhr.progress && _.isFunction(xhr.progress)) { | |
xhr.progress(e); | |
} | |
}; | |
xhr.request.open(xhr.type, xhr.url, xhr.async); | |
if (xhr.contentType && xhr.type === "POST") { | |
xhr.request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); | |
} | |
if (xhr.beforeSend && _.isFunction(xhr.beforeSend)) { | |
if (xhr.beforeSend(xhr) === false) return xhr.request.abort(); | |
} | |
xhr.request.send(xhr.data); | |
}, | |
previewFiles: function(files, preview, max) { | |
var i = (files.length < max) ? files.length : max; | |
while (i--) { | |
var file = files[i]; | |
var imageType = /image.*/; | |
if (!file.type.match(imageType)) { | |
continue; | |
} | |
var img = document.createElement('img'); | |
img.classList.add('preview'); | |
img.file = file; | |
preview.appendChild(img); | |
var reader = new FileReader(); | |
reader.onload = (function(aImg) { return function(e) { aImg.src = e.target.result; }; })(img); | |
reader.readAsDataURL(file); | |
} | |
} | |
}; |
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