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src/js/ladda.js
| 1 | -/* | ||
| 2 | - * Ladda 0.8.0 | 1 | +/*! |
| 2 | + * Ladda 1.0.0 (2016-03-08, 09:31) | ||
| 3 | * http://lab.hakim.se/ladda | 3 | * http://lab.hakim.se/ladda |
| 4 | * MIT licensed | 4 | * MIT licensed |
| 5 | * | 5 | * |
| 6 | - * Copyright (C) 2013 Hakim El Hattab, http://hakim.se | 6 | + * Copyright (C) 2016 Hakim El Hattab, http://hakim.se |
| 7 | */ | 7 | */ |
| 8 | -(function( root, factory ) { | ||
| 9 | - | ||
| 10 | - // CommonJS | ||
| 11 | - if( typeof exports === 'object' ) { | ||
| 12 | - module.exports = factory(); | ||
| 13 | - } | ||
| 14 | - // AMD module | ||
| 15 | - else if( typeof define === 'function' && define.amd ) { | ||
| 16 | - define( [ 'spin' ], factory ); | ||
| 17 | - } | ||
| 18 | - // Browser global | ||
| 19 | - else { | ||
| 20 | - root.Ladda = factory( root.Spinner ); | ||
| 21 | - } | ||
| 22 | - | ||
| 23 | -} | ||
| 24 | -(this, function( Spinner ) { | ||
| 25 | - 'use strict'; | ||
| 26 | - | ||
| 27 | - // All currently instantiated instances of Ladda | ||
| 28 | - var ALL_INSTANCES = []; | ||
| 29 | - | ||
| 30 | - /** | ||
| 31 | - * Creates a new instance of Ladda which wraps the | ||
| 32 | - * target button element. | ||
| 33 | - * | ||
| 34 | - * @return An API object that can be used to control | ||
| 35 | - * the loading animation state. | ||
| 36 | - */ | ||
| 37 | - function create( button ) { | ||
| 38 | - | ||
| 39 | - if( typeof button === 'undefined' ) { | ||
| 40 | - console.warn( "Ladda button target must be defined." ); | ||
| 41 | - return; | ||
| 42 | - } | ||
| 43 | - | ||
| 44 | - // The text contents must be wrapped in a ladda-label | ||
| 45 | - // element, create one if it doesn't already exist | ||
| 46 | - if( !button.querySelector( '.ladda-label' ) ) { | ||
| 47 | - button.innerHTML = '<span class="ladda-label">'+ button.innerHTML +'</span>'; | ||
| 48 | - } | ||
| 49 | - | ||
| 50 | - // Create the spinner | ||
| 51 | - var spinner = createSpinner( button ); | ||
| 52 | - | ||
| 53 | - // Wrapper element for the spinner | ||
| 54 | - var spinnerWrapper = document.createElement( 'span' ); | ||
| 55 | - spinnerWrapper.className = 'ladda-spinner'; | ||
| 56 | - button.appendChild( spinnerWrapper ); | ||
| 57 | - | ||
| 58 | - // Timer used to delay starting/stopping | ||
| 59 | - var timer; | ||
| 60 | - | ||
| 61 | - var instance = { | ||
| 62 | - | ||
| 63 | - /** | ||
| 64 | - * Enter the loading state. | ||
| 65 | - */ | ||
| 66 | - start: function() { | ||
| 67 | - | ||
| 68 | - button.setAttribute( 'disabled', '' ); | ||
| 69 | - button.setAttribute( 'data-loading', '' ); | ||
| 70 | - | ||
| 71 | - clearTimeout( timer ); | ||
| 72 | - spinner.spin( spinnerWrapper ); | ||
| 73 | - | ||
| 74 | - this.setProgress( 0 ); | ||
| 75 | - | ||
| 76 | - return this; // chain | ||
| 77 | - | ||
| 78 | - }, | ||
| 79 | - | ||
| 80 | - /** | ||
| 81 | - * Enter the loading state, after a delay. | ||
| 82 | - */ | ||
| 83 | - startAfter: function( delay ) { | ||
| 84 | - | ||
| 85 | - clearTimeout( timer ); | ||
| 86 | - timer = setTimeout( function() { instance.start(); }, delay ); | ||
| 87 | - | ||
| 88 | - return this; // chain | ||
| 89 | - | ||
| 90 | - }, | ||
| 91 | - | ||
| 92 | - /** | ||
| 93 | - * Exit the loading state. | ||
| 94 | - */ | ||
| 95 | - stop: function() { | ||
| 96 | - | ||
| 97 | - button.removeAttribute( 'disabled' ); | ||
| 98 | - button.removeAttribute( 'data-loading' ); | ||
| 99 | - | ||
| 100 | - // Kill the animation after a delay to make sure it | ||
| 101 | - // runs for the duration of the button transition | ||
| 102 | - clearTimeout( timer ); | ||
| 103 | - timer = setTimeout( function() { spinner.stop(); }, 1000 ); | ||
| 104 | - | ||
| 105 | - return this; // chain | ||
| 106 | - | ||
| 107 | - }, | ||
| 108 | - | ||
| 109 | - /** | ||
| 110 | - * Toggle the loading state on/off. | ||
| 111 | - */ | ||
| 112 | - toggle: function() { | ||
| 113 | - | ||
| 114 | - if( this.isLoading() ) { | ||
| 115 | - this.stop(); | ||
| 116 | - } | ||
| 117 | - else { | ||
| 118 | - this.start(); | ||
| 119 | - } | ||
| 120 | - | ||
| 121 | - return this; // chain | ||
| 122 | - | ||
| 123 | - }, | ||
| 124 | - | ||
| 125 | - /** | ||
| 126 | - * Sets the width of the visual progress bar inside of | ||
| 127 | - * this Ladda button | ||
| 128 | - * | ||
| 129 | - * @param {Number} progress in the range of 0-1 | ||
| 130 | - */ | ||
| 131 | - setProgress: function( progress ) { | ||
| 132 | - | ||
| 133 | - // Cap it | ||
| 134 | - progress = Math.max( Math.min( progress, 1 ), 0 ); | ||
| 135 | - | ||
| 136 | - var progressElement = button.querySelector( '.ladda-progress' ); | ||
| 137 | - | ||
| 138 | - // Remove the progress bar if we're at 0 progress | ||
| 139 | - if( progress === 0 && progressElement && progressElement.parentNode ) { | ||
| 140 | - progressElement.parentNode.removeChild( progressElement ); | ||
| 141 | - } | ||
| 142 | - else { | ||
| 143 | - if( !progressElement ) { | ||
| 144 | - progressElement = document.createElement( 'div' ); | ||
| 145 | - progressElement.className = 'ladda-progress'; | ||
| 146 | - button.appendChild( progressElement ); | ||
| 147 | - } | ||
| 148 | - | ||
| 149 | - progressElement.style.width = ( ( progress || 0 ) * button.offsetWidth ) + 'px'; | ||
| 150 | - } | ||
| 151 | - | ||
| 152 | - }, | ||
| 153 | - | ||
| 154 | - enable: function() { | ||
| 155 | - | ||
| 156 | - this.stop(); | ||
| 157 | - | ||
| 158 | - return this; // chain | ||
| 159 | - | ||
| 160 | - }, | ||
| 161 | - | ||
| 162 | - disable: function () { | ||
| 163 | - | ||
| 164 | - this.stop(); | ||
| 165 | - button.setAttribute( 'disabled', '' ); | ||
| 166 | - | ||
| 167 | - return this; // chain | ||
| 168 | - | ||
| 169 | - }, | ||
| 170 | - | ||
| 171 | - isLoading: function() { | ||
| 172 | - | ||
| 173 | - return button.hasAttribute( 'data-loading' ); | ||
| 174 | - | ||
| 175 | - } | ||
| 176 | - | ||
| 177 | - }; | ||
| 178 | - | ||
| 179 | - ALL_INSTANCES.push( instance ); | ||
| 180 | - | ||
| 181 | - return instance; | ||
| 182 | - | ||
| 183 | - } | ||
| 184 | - | ||
| 185 | - /** | ||
| 186 | - * Binds the target buttons to automatically enter the | ||
| 187 | - * loading state when clicked. | ||
| 188 | - * | ||
| 189 | - * @param target Either an HTML element or a CSS selector. | ||
| 190 | - * @param options | ||
| 191 | - * - timeout Number of milliseconds to wait before | ||
| 192 | - * automatically cancelling the animation. | ||
| 193 | - */ | ||
| 194 | - function bind( target, options ) { | ||
| 195 | - | ||
| 196 | - options = options || {}; | ||
| 197 | - | ||
| 198 | - var targets = []; | ||
| 199 | - | ||
| 200 | - if( typeof target === 'string' ) { | ||
| 201 | - targets = toArray( document.querySelectorAll( target ) ); | ||
| 202 | - } | ||
| 203 | - else if( typeof target === 'object' && typeof target.nodeName === 'string' ) { | ||
| 204 | - targets = [ target ]; | ||
| 205 | - } | ||
| 206 | - | ||
| 207 | - for( var i = 0, len = targets.length; i < len; i++ ) { | ||
| 208 | - | ||
| 209 | - (function() { | ||
| 210 | - var element = targets[i]; | ||
| 211 | - | ||
| 212 | - // Make sure we're working with a DOM element | ||
| 213 | - if( typeof element.addEventListener === 'function' ) { | ||
| 214 | - var instance = create( element ); | ||
| 215 | - var timeout = -1; | ||
| 216 | - | ||
| 217 | - element.addEventListener( 'click', function() { | ||
| 218 | - | ||
| 219 | - // This is asynchronous to avoid an issue where setting | ||
| 220 | - // the disabled attribute on the button prevents forms | ||
| 221 | - // from submitting | ||
| 222 | - instance.startAfter( 1 ); | ||
| 223 | - | ||
| 224 | - // Set a loading timeout if one is specified | ||
| 225 | - if( typeof options.timeout === 'number' ) { | ||
| 226 | - clearTimeout( timeout ); | ||
| 227 | - timeout = setTimeout( instance.stop, options.timeout ); | ||
| 228 | - } | ||
| 229 | - | ||
| 230 | - // Invoke callbacks | ||
| 231 | - if( typeof options.callback === 'function' ) { | ||
| 232 | - options.callback.apply( null, [ instance ] ); | ||
| 233 | - } | ||
| 234 | - | ||
| 235 | - }, false ); | ||
| 236 | - } | ||
| 237 | - })(); | ||
| 238 | - | ||
| 239 | - } | ||
| 240 | - | ||
| 241 | - } | ||
| 242 | - | ||
| 243 | - /** | ||
| 244 | - * Stops ALL current loading animations. | ||
| 245 | - */ | ||
| 246 | - function stopAll() { | ||
| 247 | - | ||
| 248 | - for( var i = 0, len = ALL_INSTANCES.length; i < len; i++ ) { | ||
| 249 | - ALL_INSTANCES[i].stop(); | ||
| 250 | - } | ||
| 251 | - | ||
| 252 | - } | ||
| 253 | - | ||
| 254 | - function createSpinner( button ) { | ||
| 255 | - | ||
| 256 | - var height = button.offsetHeight, | ||
| 257 | - spinnerColor; | ||
| 258 | - | ||
| 259 | - // If the button is tall we can afford some padding | ||
| 260 | - if( height > 32 ) { | ||
| 261 | - height *= 0.8; | ||
| 262 | - } | ||
| 263 | - | ||
| 264 | - // Prefer an explicit height if one is defined | ||
| 265 | - if( button.hasAttribute( 'data-spinner-size' ) ) { | ||
| 266 | - height = parseInt( button.getAttribute( 'data-spinner-size' ), 10 ); | ||
| 267 | - } | ||
| 268 | - | ||
| 269 | - // Allow buttons to specify the color of the spinner element | ||
| 270 | - if (button.hasAttribute('data-spinner-color' ) ) { | ||
| 271 | - spinnerColor = button.getAttribute( 'data-spinner-color' ); | ||
| 272 | - } | ||
| 273 | - | ||
| 274 | - var lines = 12, | ||
| 275 | - radius = height * 0.2, | ||
| 276 | - length = radius * 0.6, | ||
| 277 | - width = radius < 7 ? 2 : 3; | ||
| 278 | - | ||
| 279 | - return new Spinner( { | ||
| 280 | - color: spinnerColor || '#fff', | ||
| 281 | - lines: lines, | ||
| 282 | - radius: radius, | ||
| 283 | - length: length, | ||
| 284 | - width: width, | ||
| 285 | - zIndex: 'auto', | ||
| 286 | - top: 'auto', | ||
| 287 | - left: 'auto', | ||
| 288 | - className: '' | ||
| 289 | - } ); | ||
| 290 | - | ||
| 291 | - } | ||
| 292 | - | ||
| 293 | - function toArray( nodes ) { | ||
| 294 | - | ||
| 295 | - var a = []; | ||
| 296 | - | ||
| 297 | - for ( var i = 0; i < nodes.length; i++ ) { | ||
| 298 | - a.push( nodes[ i ] ); | ||
| 299 | - } | ||
| 300 | - | ||
| 301 | - return a; | ||
| 302 | - | ||
| 303 | - } | ||
| 304 | - | ||
| 305 | - // Public API | ||
| 306 | - return { | ||
| 307 | - | ||
| 308 | - bind: bind, | ||
| 309 | - create: create, | ||
| 310 | - stopAll: stopAll | ||
| 311 | - | ||
| 312 | - }; | ||
| 313 | - | ||
| 314 | -})); | 8 | +!function(a,b){"object"==typeof exports?module.exports=b(require("spin.js")):"function"==typeof define&&define.amd?define(["spin"],b):a.Ladda=b(a.Spinner)}(this,function(a){"use strict";function b(a){if("undefined"==typeof a)return void console.warn("Ladda button target must be defined.");if(/ladda-button/i.test(a.className)||(a.className+=" ladda-button"),a.hasAttribute("data-style")||a.setAttribute("data-style","expand-right"),!a.querySelector(".ladda-label")){var b=document.createElement("span");b.className="ladda-label",i(a,b)}var c,d=a.querySelector(".ladda-spinner");d||(d=document.createElement("span"),d.className="ladda-spinner"),a.appendChild(d);var e,f={start:function(){return c||(c=g(a)),a.setAttribute("disabled",""),a.setAttribute("data-loading",""),clearTimeout(e),c.spin(d),this.setProgress(0),this},startAfter:function(a){return clearTimeout(e),e=setTimeout(function(){f.start()},a),this},stop:function(){return a.removeAttribute("disabled"),a.removeAttribute("data-loading"),clearTimeout(e),c&&(e=setTimeout(function(){c.stop()},1e3)),this},toggle:function(){return this.isLoading()?this.stop():this.start(),this},setProgress:function(b){b=Math.max(Math.min(b,1),0);var c=a.querySelector(".ladda-progress");0===b&&c&&c.parentNode?c.parentNode.removeChild(c):(c||(c=document.createElement("div"),c.className="ladda-progress",a.appendChild(c)),c.style.width=(b||0)*a.offsetWidth+"px")},enable:function(){return this.stop(),this},disable:function(){return this.stop(),a.setAttribute("disabled",""),this},isLoading:function(){return a.hasAttribute("data-loading")},remove:function(){clearTimeout(e),a.removeAttribute("disabled",""),a.removeAttribute("data-loading",""),c&&(c.stop(),c=null);for(var b=0,d=j.length;d>b;b++)if(f===j[b]){j.splice(b,1);break}}};return j.push(f),f}function c(a,b){for(;a.parentNode&&a.tagName!==b;)a=a.parentNode;return b===a.tagName?a:void 0}function d(a){for(var b=["input","textarea","select"],c=[],d=0;d<b.length;d++)for(var e=a.getElementsByTagName(b[d]),f=0;f<e.length;f++)e[f].hasAttribute("required")&&c.push(e[f]);return c}function e(a,e){e=e||{};var f=[];"string"==typeof a?f=h(document.querySelectorAll(a)):"object"==typeof a&&"string"==typeof a.nodeName&&(f=[a]);for(var g=0,i=f.length;i>g;g++)!function(){var a=f[g];if("function"==typeof a.addEventListener){var h=b(a),i=-1;a.addEventListener("click",function(b){var f=!0,g=c(a,"FORM");if("undefined"!=typeof g)if("function"==typeof g.checkValidity)f=g.checkValidity();else for(var j=d(g),k=0;k<j.length;k++)""===j[k].value.replace(/^\s+|\s+$/g,"")&&(f=!1),"checkbox"!==j[k].type&&"radio"!==j[k].type||j[k].checked||(f=!1),"email"===j[k].type&&(f=/^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$/.test(j[k].value));f&&(h.startAfter(1),"number"==typeof e.timeout&&(clearTimeout(i),i=setTimeout(h.stop,e.timeout)),"function"==typeof e.callback&&e.callback.apply(null,[h]))},!1)}}()}function f(){for(var a=0,b=j.length;b>a;a++)j[a].stop()}function g(b){var c,d,e=b.offsetHeight;0===e&&(e=parseFloat(window.getComputedStyle(b).height)),e>32&&(e*=.8),b.hasAttribute("data-spinner-size")&&(e=parseInt(b.getAttribute("data-spinner-size"),10)),b.hasAttribute("data-spinner-color")&&(c=b.getAttribute("data-spinner-color")),b.hasAttribute("data-spinner-lines")&&(d=parseInt(b.getAttribute("data-spinner-lines"),10));var f=.2*e,g=.6*f,h=7>f?2:3;return new a({color:c||"#fff",lines:d||12,radius:f,length:g,width:h,zIndex:"auto",top:"auto",left:"auto",className:""})}function h(a){for(var b=[],c=0;c<a.length;c++)b.push(a[c]);return b}function i(a,b){var c=document.createRange();c.selectNodeContents(a),c.surroundContents(b),a.appendChild(b)}var j=[];return{bind:e,create:b,stopAll:f}}); |
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