https://confecoopantioquia.coop/js/isotope.pkgd.js

1/*!
2 * Isotope PACKAGED v3.0.4
3 *
4 * Licensed GPLv3 for open source use
5 * or Isotope Commercial License for commercial use
6 *
7 * http://isotope.metafizzy.co
8 * Copyright 2017 Metafizzy
9 */
10
11/**
12 * Bridget makes jQuery widgets
13 * v2.0.1
14 * MIT license
15 */
16
17/* jshint browser: true, strict: true, undef: true, unused: true */
18
19( function( window, factory ) {
20  // universal module definition
21  /*jshint strict: false */ /* globals define, module, require */
22  if ( typeof define == 'function' && define.amd ) {
23    // AMD
24    define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
25      return factory( window, jQuery );
26    });
27  } else if ( typeof module == 'object' && module.exports ) {
28    // CommonJS
29    module.exports = factory(
30      window,
31      require('jquery')
32    );
33  } else {
34    // browser global
35    window.jQueryBridget = factory(
36      window,
37      window.jQuery
38    );
39  }
40
41}( window, function factory( window, jQuery ) {
42'use strict';
43
44// ----- utils ----- //
45
46var arraySlice = Array.prototype.slice;
47
48// helper function for logging errors
49// $.error breaks jQuery chaining
50var console = window.console;
51var logError = typeof console == 'undefined' ? function() {} :
52  function( message ) {
53    console.error( message );
54  };
55
56// ----- jQueryBridget ----- //
57
58function jQueryBridget( namespace, PluginClass, $ ) {
59  $ = $ || jQuery || window.jQuery;
60  if ( !$ ) {
61    return;
62  }
63
64  // add option method -> $().plugin('option', {...})
65  if ( !PluginClass.prototype.option ) {
66    // option setter
67    PluginClass.prototype.option = function( opts ) {
68      // bail out if not an object
69      if ( !$.isPlainObject( opts ) ){
70        return;
71      }
72      this.options = $.extend( true, this.options, opts );
73    };
74  }
75
76  // make jQuery plugin
77  $.fn[ namespace ] = function( arg0 /*, arg1 */ ) {
78    if ( typeof arg0 == 'string' ) {
79      // method call $().plugin( 'methodName', { options } )
80      // shift arguments by 1
81      var args = arraySlice.call( arguments, 1 );
82      return methodCall( this, arg0, args );
83    }
84    // just $().plugin({ options })
85    plainCall( this, arg0 );
86    return this;
87  };
88
89  // $().plugin('methodName')
90  function methodCall( $elems, methodName, args ) {
91    var returnValue;
92    var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';
93
94    $elems.each( function( i, elem ) {
95      // get instance
96      var instance = $.data( elem, namespace );
97      if ( !instance ) {
98        logError( namespace + ' not initialized. Cannot call methods, i.e. ' +
99          pluginMethodStr );
100        return;
101      }
102
103      var method = instance[ methodName ];
104      if ( !method || methodName.charAt(0) == '_' ) {
105        logError( pluginMethodStr + ' is not a valid method' );
106        return;
107      }
108
109      // apply method, get return value
110      var value = method.apply( instance, args );
111      // set return value if value is returned, use only first value
112      returnValue = returnValue === undefined ? value : returnValue;
113    });
114
115    return returnValue !== undefined ? returnValue : $elems;
116  }
117
118  function plainCall( $elems, options ) {
119    $elems.each( function( i, elem ) {
120      var instance = $.data( elem, namespace );
121      if ( instance ) {
122        // set options & init
123        instance.option( options );
124        instance._init();
125      } else {
126        // initialize new instance
127        instance = new PluginClass( elem, options );
128        $.data( elem, namespace, instance );
129      }
130    });
131  }
132
133  updateJQuery( $ );
134
135}
136
137// ----- updateJQuery ----- //
138
139// set $.bridget for v1 backwards compatibility
140function updateJQuery( $ ) {
141  if ( !$ || ( $ && $.bridget ) ) {
142    return;
143  }
144  $.bridget = jQueryBridget;
145}
146
147updateJQuery( jQuery || window.jQuery );
148
149// -----  ----- //
150
151return jQueryBridget;
152
153}));
154
155/**
156 * EvEmitter v1.0.3
157 * Lil' event emitter
158 * MIT License
159 */
160
161/* jshint unused: true, undef: true, strict: true */
162
163( function( global, factory ) {
164  // universal module definition
165  /* jshint strict: false */ /* globals define, module, window */
166  if ( typeof define == 'function' && define.amd ) {
167    // AMD - RequireJS
168    define( 'ev-emitter/ev-emitter',factory );
169  } else if ( typeof module == 'object' && module.exports ) {
170    // CommonJS - Browserify, Webpack
171    module.exports = factory();
172  } else {
173    // Browser globals
174    global.EvEmitter = factory();
175  }
176
177}( typeof window != 'undefined' ? window : this, function() {
178
179
180
181function EvEmitter() {}
182
183var proto = EvEmitter.prototype;
184
185proto.on = function( eventName, listener ) {
186  if ( !eventName || !listener ) {
187    return;
188  }
189  // set events hash
190  var events = this._events = this._events || {};
191  // set listeners array
192  var listeners = events[ eventName ] = events[ eventName ] || [];
193  // only add once
194  if ( listeners.indexOf( listener ) == -1 ) {
195    listeners.push( listener );
196  }
197
198  return this;
199};
200
201proto.once = function( eventName, listener ) {
202  if ( !eventName || !listener ) {
203    return;
204  }
205  // add event
206  this.on( eventName, listener );
207  // set once flag
208  // set onceEvents hash
209  var onceEvents = this._onceEvents = this._onceEvents || {};
210  // set onceListeners object
211  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
212  // set flag
213  onceListeners[ listener ] = true;
214
215  return this;
216};
217
218proto.off = function( eventName, listener ) {
219  var listeners = this._events && this._events[ eventName ];
220  if ( !listeners || !listeners.length ) {
221    return;
222  }
223  var index = listeners.indexOf( listener );
224  if ( index != -1 ) {
225    listeners.splice( index, 1 );
226  }
227
228  return this;
229};
230
231proto.emitEvent = function( eventName, args ) {
232  var listeners = this._events && this._events[ eventName ];
233  if ( !listeners || !listeners.length ) {
234    return;
235  }
236  var i = 0;
237  var listener = listeners[i];
238  args = args || [];
239  // once stuff
240  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];
241
242  while ( listener ) {
243    var isOnce = onceListeners && onceListeners[ listener ];
244    if ( isOnce ) {
245      // remove listener
246      // remove before trigger to prevent recursion
247      this.off( eventName, listener );
248      // unset once flag
249      delete onceListeners[ listener ];
250    }
251    // trigger listener
252    listener.apply( this, args );
253    // get next listener
254    i += isOnce ? 0 : 1;
255    listener = listeners[i];
256  }
257
258  return this;
259};
260
261return EvEmitter;
262
263}));
264
265/*!
266 * getSize v2.0.2
267 * measure size of elements
268 * MIT license
269 */
270
271/*jshint browser: true, strict: true, undef: true, unused: true */
272/*global define: false, module: false, console: false */
273
274( function( window, factory ) {
275  'use strict';
276
277  if ( typeof define == 'function' && define.amd ) {
278    // AMD
279    define( 'get-size/get-size',[],function() {
280      return factory();
281    });
282  } else if ( typeof module == 'object' && module.exports ) {
283    // CommonJS
284    module.exports = factory();
285  } else {
286    // browser global
287    window.getSize = factory();
288  }
289
290})( window, function factory() {
291'use strict';
292
293// -------------------------- helpers -------------------------- //
294
295// get a number from a string, not a percentage
296function getStyleSize( value ) {
297  var num = parseFloat( value );
298  // not a percent like '100%', and a number
299  var isValid = value.indexOf('%') == -1 && !isNaN( num );
300  return isValid && num;
301}
302
303function noop() {}
304
305var logError = typeof console == 'undefined' ? noop :
306  function( message ) {
307    console.error( message );
308  };
309
310// -------------------------- measurements -------------------------- //
311
312var measurements = [
313  'paddingLeft',
314  'paddingRight',
315  'paddingTop',
316  'paddingBottom',
317  'marginLeft',
318  'marginRight',
319  'marginTop',
320  'marginBottom',
321  'borderLeftWidth',
322  'borderRightWidth',
323  'borderTopWidth',
324  'borderBottomWidth'
325];
326
327var measurementsLength = measurements.length;
328
329function getZeroSize() {
330  var size = {
331    width: 0,
332    height: 0,
333    innerWidth: 0,
334    innerHeight: 0,
335    outerWidth: 0,
336    outerHeight: 0
337  };
338  for ( var i=0; i < measurementsLength; i++ ) {
339    var measurement = measurements[i];
340    size[ measurement ] = 0;
341  }
342  return size;
343}
344
345// -------------------------- getStyle -------------------------- //
346
347/**
348 * getStyle, get style of element, check for Firefox bug
349 * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
350 */
351function getStyle( elem ) {
352  var style = getComputedStyle( elem );
353  if ( !style ) {
354    logError( 'Style returned ' + style +
355      '. Are you running this code in a hidden iframe on Firefox? ' +
356      'See http://bit.ly/getsizebug1' );
357  }
358  return style;
359}
360
361// -------------------------- setup -------------------------- //
362
363var isSetup = false;
364
365var isBoxSizeOuter;
366
367/**
368 * setup
369 * check isBoxSizerOuter
370 * do on first getSize() rather than on page load for Firefox bug
371 */
372function setup() {
373  // setup once
374  if ( isSetup ) {
375    return;
376  }
377  isSetup = true;
378
379  // -------------------------- box sizing -------------------------- //
380
381  /**
382   * WebKit measures the outer-width on style.width on border-box elems
383   * IE & Firefox<29 measures the inner-width
384   */
385  var div = document.createElement('div');
386  div.style.width = '200px';
387  div.style.padding = '1px 2px 3px 4px';
388  div.style.borderStyle = 'solid';
389  div.style.borderWidth = '1px 2px 3px 4px';
390  div.style.boxSizing = 'border-box';
391
392  var body = document.body || document.documentElement;
393  body.appendChild( div );
394  var style = getStyle( div );
395
396  getSize.isBoxSizeOuter = isBoxSizeOuter = getStyleSize( style.width ) == 200;
397  body.removeChild( div );
398
399}
400
401// -------------------------- getSize -------------------------- //
402
403function getSize( elem ) {
404  setup();
405
406  // use querySeletor if elem is string
407  if ( typeof elem == 'string' ) {
408    elem = document.querySelector( elem );
409  }
410
411  // do not proceed on non-objects
412  if ( !elem || typeof elem != 'object' || !elem.nodeType ) {
413    return;
414  }
415
416  var style = getStyle( elem );
417
418  // if hidden, everything is 0
419  if ( style.display == 'none' ) {
420    return getZeroSize();
421  }
422
423  var size = {};
424  size.width = elem.offsetWidth;
425  size.height = elem.offsetHeight;
426
427  var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';
428
429  // get all measurements
430  for ( var i=0; i < measurementsLength; i++ ) {
431    var measurement = measurements[i];
432    var value = style[ measurement ];
433    var num = parseFloat( value );
434    // any 'auto', 'medium' value will be 0
435    size[ measurement ] = !isNaN( num ) ? num : 0;
436  }
437
438  var paddingWidth = size.paddingLeft + size.paddingRight;
439  var paddingHeight = size.paddingTop + size.paddingBottom;
440  var marginWidth = size.marginLeft + size.marginRight;
441  var marginHeight = size.marginTop + size.marginBottom;
442  var borderWidth = size.borderLeftWidth + size.borderRightWidth;
443  var borderHeight = size.borderTopWidth + size.borderBottomWidth;
444
445  var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;
446
447  // overwrite width and height if we can get it from style
448  var styleWidth = getStyleSize( style.width );
449  if ( styleWidth !== false ) {
450    size.width = styleWidth +
451      // add padding and border unless it's already including it
452      ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
453  }
454
455  var styleHeight = getStyleSize( style.height );
456  if ( styleHeight !== false ) {
457    size.height = styleHeight +
458      // add padding and border unless it's already including it
459      ( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight );
460  }
461
462  size.innerWidth = size.width - ( paddingWidth + borderWidth );
463  size.innerHeight = size.height - ( paddingHeight + borderHeight );
464
465  size.outerWidth = size.width + marginWidth;
466  size.outerHeight = size.height + marginHeight;
467
468  return size;
469}
470
471return getSize;
472
473});
474
475/**
476 * matchesSelector v2.0.2
477 * matchesSelector( element, '.selector' )
478 * MIT license
479 */
480
481/*jshint browser: true, strict: true, undef: true, unused: true */
482
483( function( window, factory ) {
484  /*global define: false, module: false */
485  'use strict';
486  // universal module definition
487  if ( typeof define == 'function' && define.amd ) {
488    // AMD
489    define( 'desandro-matches-selector/matches-selector',factory );
490  } else if ( typeof module == 'object' && module.exports ) {
491    // CommonJS
492    module.exports = factory();
493  } else {
494    // browser global
495    window.matchesSelector = factory();
496  }
497
498}( window, function factory() {
499  'use strict';
500
501  var matchesMethod = ( function() {
502    var ElemProto = window.Element.prototype;
503    // check for the standard method name first
504    if ( ElemProto.matches ) {
505      return 'matches';
506    }
507    // check un-prefixed
508    if ( ElemProto.matchesSelector ) {
509      return 'matchesSelector';
510    }
511    // check vendor prefixes
512    var prefixes = [ 'webkit', 'moz', 'ms', 'o' ];
513
514    for ( var i=0; i < prefixes.length; i++ ) {
515      var prefix = prefixes[i];
516      var method = prefix + 'MatchesSelector';
517      if ( ElemProto[ method ] ) {
518        return method;
519      }
520    }
521  })();
522
523  return function matchesSelector( elem, selector ) {
524    return elem[ matchesMethod ]( selector );
525  };
526
527}));
528
529/**
530 * Fizzy UI utils v2.0.5
531 * MIT license
532 */
533
534/*jshint browser: true, undef: true, unused: true, strict: true */
535
536( function( window, factory ) {
537  // universal module definition
538  /*jshint strict: false */ /*globals define, module, require */
539
540  if ( typeof define == 'function' && define.amd ) {
541    // AMD
542    define( 'fizzy-ui-utils/utils',[
543      'desandro-matches-selector/matches-selector'
544    ], function( matchesSelector ) {
545      return factory( window, matchesSelector );
546    });
547  } else if ( typeof module == 'object' && module.exports ) {
548    // CommonJS
549    module.exports = factory(
550      window,
551      require('desandro-matches-selector')
552    );
553  } else {
554    // browser global
555    window.fizzyUIUtils = factory(
556      window,
557      window.matchesSelector
558    );
559  }
560
561}( window, function factory( window, matchesSelector ) {
562
563
564
565var utils = {};
566
567// ----- extend ----- //
568
569// extends objects
570utils.extend = function( a, b ) {
571  for ( var prop in b ) {
572    a[ prop ] = b[ prop ];
573  }
574  return a;
575};
576
577// ----- modulo ----- //
578
579utils.modulo = function( num, div ) {
580  return ( ( num % div ) + div ) % div;
581};
582
583// ----- makeArray ----- //
584
585// turn element or nodeList into an array
586utils.makeArray = function( obj ) {
587  var ary = [];
588  if ( Array.isArray( obj ) ) {
589    // use object if already an array
590    ary = obj;
591  } else if ( obj && typeof obj == 'object' &&
592    typeof obj.length == 'number' ) {
593    // convert nodeList to array
594    for ( var i=0; i < obj.length; i++ ) {
595      ary.push( obj[i] );
596    }
597  } else {
598    // array of single index
599    ary.push( obj );
600  }
601  return ary;
602};
603
604// ----- removeFrom ----- //
605
606utils.removeFrom = function( ary, obj ) {
607  var index = ary.indexOf( obj );
608  if ( index != -1 ) {
609    ary.splice( index, 1 );
610  }
611};
612
613// ----- getParent ----- //
614
615utils.getParent = function( elem, selector ) {
616  while ( elem.parentNode && elem != document.body ) {
617    elem = elem.parentNode;
618    if ( matchesSelector( elem, selector ) ) {
619      return elem;
620    }
621  }
622};
623
624// ----- getQueryElement ----- //
625
626// use element as selector string
627utils.getQueryElement = function( elem ) {
628  if ( typeof elem == 'string' ) {
629    return document.querySelector( elem );
630  }
631  return elem;
632};
633
634// ----- handleEvent ----- //
635
636// enable .ontype to trigger from .addEventListener( elem, 'type' )
637utils.handleEvent = function( event ) {
638  var method = 'on' + event.type;
639  if ( this[ method ] ) {
640    this[ method ]( event );
641  }
642};
643
644// ----- filterFindElements ----- //
645
646utils.filterFindElements = function( elems, selector ) {
647  // make array of elems
648  elems = utils.makeArray( elems );
649  var ffElems = [];
650
651  elems.forEach( function( elem ) {
652    // check that elem is an actual element
653    if ( !( elem instanceof HTMLElement ) ) {
654      return;
655    }
656    // add elem if no selector
657    if ( !selector ) {
658      ffElems.push( elem );
659      return;
660    }
661    // filter & find items if we have a selector
662    // filter
663    if ( matchesSelector( elem, selector ) ) {
664      ffElems.push( elem );
665    }
666    // find children
667    var childElems = elem.querySelectorAll( selector );
668    // concat childElems to filterFound array
669    for ( var i=0; i < childElems.length; i++ ) {
670      ffElems.push( childElems[i] );
671    }
672  });
673
674  return ffElems;
675};
676
677// ----- debounceMethod ----- //
678
679utils.debounceMethod = function( _class, methodName, threshold ) {
680  // original method
681  var method = _class.prototype[ methodName ];
682  var timeoutName = methodName + 'Timeout';
683
684  _class.prototype[ methodName ] = function() {
685    var timeout = this[ timeoutName ];
686    if ( timeout ) {
687      clearTimeout( timeout );
688    }
689    var args = arguments;
690
691    var _this = this;
692    this[ timeoutName ] = setTimeout( function() {
693      method.apply( _this, args );
694      delete _this[ timeoutName ];
695    }, threshold || 100 );
696  };
697};
698
699// ----- docReady ----- //
700
701utils.docReady = function( callback ) {
702  var readyState = document.readyState;
703  if ( readyState == 'complete' || readyState == 'interactive' ) {
704    // do async to allow for other scripts to run. metafizzy/flickity#441
705    setTimeout( callback );
706  } else {
707    document.addEventListener( 'DOMContentLoaded', callback );
708  }
709};
710
711// ----- htmlInit ----- //
712
713// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
714utils.toDashed = function( str ) {
715  return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
716    return $1 + '-' + $2;
717  }).toLowerCase();
718};
719
720var console = window.console;
721/**
722 * allow user to initialize classes via [data-namespace] or .js-namespace class
723 * htmlInit( Widget, 'widgetName' )
724 * options are parsed from data-namespace-options
725 */
726utils.htmlInit = function( WidgetClass, namespace ) {
727  utils.docReady( function() {
728    var dashedNamespace = utils.toDashed( namespace );
729    var dataAttr = 'data-' + dashedNamespace;
730    var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' );
731    var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace );
732    var elems = utils.makeArray( dataAttrElems )
733      .concat( utils.makeArray( jsDashElems ) );
734    var dataOptionsAttr = dataAttr + '-options';
735    var jQuery = window.jQuery;
736
737    elems.forEach( function( elem ) {
738      var attr = elem.getAttribute( dataAttr ) ||
739        elem.getAttribute( dataOptionsAttr );
740      var options;
741      try {
742        options = attr && JSON.parse( attr );
743      } catch ( error ) {
744        // log error, do not initialize
745        if ( console ) {
746          console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className +
747          ': ' + error );
748        }
749        return;
750      }
751      // initialize
752      var instance = new WidgetClass( elem, options );
753      // make available via $().data('namespace')
754      if ( jQuery ) {
755        jQuery.data( elem, namespace, instance );
756      }
757    });
758
759  });
760};
761
762// -----  ----- //
763
764return utils;
765
766}));
767
768/**
769 * Outlayer Item
770 */
771
772( function( window, factory ) {
773  // universal module definition
774  /* jshint strict: false */ /* globals define, module, require */
775  if ( typeof define == 'function' && define.amd ) {
776    // AMD - RequireJS
777    define( 'outlayer/item',[
778        'ev-emitter/ev-emitter',
779        'get-size/get-size'
780      ],
781      factory
782    );
783  } else if ( typeof module == 'object' && module.exports ) {
784    // CommonJS - Browserify, Webpack
785    module.exports = factory(
786      require('ev-emitter'),
787      require('get-size')
788    );
789  } else {
790    // browser global
791    window.Outlayer = {};
792    window.Outlayer.Item = factory(
793      window.EvEmitter,
794      window.getSize
795    );
796  }
797
798}( window, function factory( EvEmitter, getSize ) {
799'use strict';
800
801// ----- helpers ----- //
802
803function isEmptyObj( obj ) {
804  for ( var prop in obj ) {
805    return false;

806  }
807  prop = null;
808  return true;
809}
810
811// -------------------------- CSS3 support -------------------------- //
812
813
814var docElemStyle = document.documentElement.style;
815
816var transitionProperty = typeof docElemStyle.transition == 'string' ?
817  'transition' : 'WebkitTransition';
818var transformProperty = typeof docElemStyle.transform == 'string' ?
819  'transform' : 'WebkitTransform';
820
821var transitionEndEvent = {
822  WebkitTransition: 'webkitTransitionEnd',
823  transition: 'transitionend'
824}[ transitionProperty ];
825
826// cache all vendor properties that could have vendor prefix
827var vendorProperties = {
828  transform: transformProperty,
829  transition: transitionProperty,
830  transitionDuration: transitionProperty + 'Duration',
831  transitionProperty: transitionProperty + 'Property',
832  transitionDelay: transitionProperty + 'Delay'
833};
834
835// -------------------------- Item -------------------------- //
836
837function Item( element, layout ) {
838  if ( !element ) {
839    return;
840  }
841
842  this.element = element;
843  // parent layout class, i.e. Masonry, Isotope, or Packery
844  this.layout = layout;
845  this.position = {
846    x: 0,
847    y: 0
848  };
849
850  this._create();
851}
852
853// inherit EvEmitter
854var proto = Item.prototype = Object.create( EvEmitter.prototype );
855proto.constructor = Item;
856
857proto._create = function() {
858  // transition objects
859  this._transn = {
860    ingProperties: {},
861    clean: {},
862    onEnd: {}
863  };
864
865  this.css({
866    position: 'absolute'
867  });
868};
869
870// trigger specified handler for event type
871proto.handleEvent = function( event ) {
872  var method = 'on' + event.type;
873  if ( this[ method ] ) {
874    this[ method ]( event );
875  }
876};
877
878proto.getSize = function() {
879  this.size = getSize( this.element );
880};
881
882/**
883 * apply CSS styles to element
884 * @param {Object} style
885 */
886proto.css = function( style ) {
887  var elemStyle = this.element.style;
888
889  for ( var prop in style ) {
890    // use vendor property if available
891    var supportedProp = vendorProperties[ prop ] || prop;
892    elemStyle[ supportedProp ] = style[ prop ];
893  }
894};
895
896 // measure position, and sets it
897proto.getPosition = function() {
898  var style = getComputedStyle( this.element );
899  var isOriginLeft = this.layout._getOption('originLeft');
900  var isOriginTop = this.layout._getOption('originTop');
901  var xValue = style[ isOriginLeft ? 'left' : 'right' ];
902  var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
903  // convert percent to pixels
904  var layoutSize = this.layout.size;
905  var x = xValue.indexOf('%') != -1 ?
906    ( parseFloat( xValue ) / 100 ) * layoutSize.width : parseInt( xValue, 10 );
907  var y = yValue.indexOf('%') != -1 ?
908    ( parseFloat( yValue ) / 100 ) * layoutSize.height : parseInt( yValue, 10 );
909
910  // clean up 'auto' or other non-integer values
911  x = isNaN( x ) ? 0 : x;
912  y = isNaN( y ) ? 0 : y;
913  // remove padding from measurement
914  x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
915  y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;
916
917  this.position.x = x;
918  this.position.y = y;
919};
920
921// set settled position, apply padding
922proto.layoutPosition = function() {
923  var layoutSize = this.layout.size;
924  var style = {};
925  var isOriginLeft = this.layout._getOption('originLeft');
926  var isOriginTop = this.layout._getOption('originTop');
927
928  // x
929  var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
930  var xProperty = isOriginLeft ? 'left' : 'right';
931  var xResetProperty = isOriginLeft ? 'right' : 'left';
932
933  var x = this.position.x + layoutSize[ xPadding ];
934  // set in percentage or pixels
935  style[ xProperty ] = this.getXValue( x );
936  // reset other property
937  style[ xResetProperty ] = '';
938
939  // y
940  var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
941  var yProperty = isOriginTop ? 'top' : 'bottom';
942  var yResetProperty = isOriginTop ? 'bottom' : 'top';
943
944  var y = this.position.y + layoutSize[ yPadding ];
945  // set in percentage or pixels
946  style[ yProperty ] = this.getYValue( y );
947  // reset other property
948  style[ yResetProperty ] = '';
949
950  this.css( style );
951  this.emitEvent( 'layout', [ this ] );
952};
953
954proto.getXValue = function( x ) {
955  var isHorizontal = this.layout._getOption('horizontal');
956  return this.layout.options.percentPosition && !isHorizontal ?
957    ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
958};
959
960proto.getYValue = function( y ) {
961  var isHorizontal = this.layout._getOption('horizontal');
962  return this.layout.options.percentPosition && isHorizontal ?

963    ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
964};
965
966proto._transitionTo = function( x, y ) {
967  this.getPosition();
968  // get current x & y from top/left
969  var curX = this.position.x;
970  var curY = this.position.y;
971
972  var compareX = parseInt( x, 10 );
973  var compareY = parseInt( y, 10 );
974  var didNotMove = compareX === this.position.x && compareY === this.position.y;
975
976  // save end position
977  this.setPosition( x, y );
978
979  // if did not move and not transitioning, just go to layout
980  if ( didNotMove && !this.isTransitioning ) {
981    this.layoutPosition();
982    return;
983  }
984
985  var transX = x - curX;
986  var transY = y - curY;
987  var transitionStyle = {};
988  transitionStyle.transform = this.getTranslate( transX, transY );
989
990  this.transition({
991    to: transitionStyle,
992    onTransitionEnd: {
993      transform: this.layoutPosition
994    },
995    isCleaning: true
996  });
997};
998
999proto.getTranslate = function( x, y ) {
1000  // flip cooridinates if origin on right or bottom
1001  var isOriginLeft = this.layout._getOption('originLeft');
1002  var isOriginTop = this.layout._getOption('originTop');
1003  x = isOriginLeft ? x : -x;
1004  y = isOriginTop ? y : -y;
1005  return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
1006};
1007
1008// non transition + transform support
1009proto.goTo = function( x, y ) {
1010  this.setPosition( x, y );
1011  this.layoutPosition();
1012};
1013
1014proto.moveTo = proto._transitionTo;
1015
1016proto.setPosition = function( x, y ) {
1017  this.position.x = parseInt( x, 10 );
1018  this.position.y = parseInt( y, 10 );
1019};
1020
1021// ----- transition ----- //
1022
1023/**
1024 * @param {Object} style - CSS
1025 * @param {Function} onTransitionEnd
1026 */
1027
1028// non transition, just trigger callback
1029proto._nonTransition = function( args ) {
1030  this.css( args.to );
1031  if ( args.isCleaning ) {
1032    this._removeStyles( args.to );
1033  }
1034  for ( var prop in args.onTransitionEnd ) {
1035    args.onTransitionEnd[ prop ].call( this );
1036  }
1037};
1038
1039/**
1040 * proper transition
1041 * @param {Object} args - arguments
1042 *   @param {Object} to - style to transition to
1043 *   @param {Object} from - style to start transition from
1044 *   @param {Boolean} isCleaning - removes transition styles after transition
1045 *   @param {Function} onTransitionEnd - callback
1046 */
1047proto.transition = function( args ) {
1048  // redirect to nonTransition if no transition duration
1049  if ( !parseFloat( this.layout.options.transitionDuration ) ) {
1050    this._nonTransition( args );
1051    return;
1052  }
1053
1054  var _transition = this._transn;
1055  // keep track of onTransitionEnd callback by css property
1056  for ( var prop in args.onTransitionEnd ) {
1057    _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ];
1058  }
1059  // keep track of properties that are transitioning
1060  for ( prop in args.to ) {
1061    _transition.ingProperties[ prop ] = true;
1062    // keep track of properties to clean up when transition is done
1063    if ( args.isCleaning ) {
1064      _transition.clean[ prop ] = true;
1065    }
1066  }
1067
1068  // set from styles
1069  if ( args.from ) {
1070    this.css( args.from );
1071    // force redraw. http://blog.alexmaccaw.com/css-transitions
1072    var h = this.element.offsetHeight;
1073    // hack for JSHint to hush about unused var
1074    h = null;
1075  }
1076  // enable transition
1077  this.enableTransition( args.to );
1078  // set styles that are transitioning
1079  this.css( args.to );
1080
1081  this.isTransitioning = true;
1082
1083};
1084
1085// dash before all cap letters, including first for
1086// WebkitTransform => -webkit-transform
1087function toDashedAll( str ) {
1088  return str.replace( /([A-Z])/g, function( $1 ) {
1089    return '-' + $1.toLowerCase();
1090  });
1091}
1092
1093var transitionProps = 'opacity,' + toDashedAll( transformProperty );
1094
1095proto.enableTransition = function(/* style */) {
1096  // HACK changing transitionProperty during a transition
1097  // will cause transition to jump
1098  if ( this.isTransitioning ) {
1099    return;
1100  }
1101
1102  // make `transition: foo, bar, baz` from style object
1103  // HACK un-comment this when enableTransition can work
1104  // while a transition is happening
1105  // var transitionValues = [];
1106  // for ( var prop in style ) {
1107  //   // dash-ify camelCased properties like WebkitTransition
1108  //   prop = vendorProperties[ prop ] || prop;
1109  //   transitionValues.push( toDashedAll( prop ) );
1110  // }
1111  // munge number to millisecond, to match stagger
1112  var duration = this.layout.options.transitionDuration;
1113  duration = typeof duration == 'number' ? duration + 'ms' : duration;
1114  // enable transition styles
1115  this.css({
1116    transitionProperty: transitionProps,
1117    transitionDuration: duration,
1118    transitionDelay: this.staggerDelay || 0
1119  });
1120  // listen for transition end event
1121  this.element.addEventListener( transitionEndEvent, this, false );
1122};
1123
1124// ----- events ----- //
1125
1126proto.onwebkitTransitionEnd = function( event ) {
1127  this.ontransitionend( event );
1128};
1129
1130proto.onotransitionend = function( event ) {
1131  this.ontransitionend( event );
1132};
1133
1134// properties that I munge to make my life easier
1135var dashedVendorProperties = {
1136  '-webkit-transform': 'transform'
1137};
1138
1139proto.ontransitionend = function( event ) {
1140  // disregard bubbled events from children
1141  if ( event.target !== this.element ) {
1142    return;
1143  }
1144  var _transition = this._transn;
1145  // get property name of transitioned property, convert to prefix-free
1146  var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName;
1147
1148  // remove property that has completed transitioning
1149  delete _transition.ingProperties[ propertyName ];
1150  // check if any properties are still transitioning
1151  if ( isEmptyObj( _transition.ingProperties ) ) {
1152    // all properties have completed transitioning
1153    this.disableTransition();
1154  }
1155  // clean style
1156  if ( propertyName in _transition.clean ) {
1157    // clean up style
1158    this.element.style[ event.propertyName ] = '';
1159    delete _transition.clean[ propertyName ];
1160  }
1161  // trigger onTransitionEnd callback
1162  if ( propertyName in _transition.onEnd ) {
1163    var onTransitionEnd = _transition.onEnd[ propertyName ];
1164    onTransitionEnd.call( this );
1165    delete _transition.onEnd[ propertyName ];
1166  }
1167
1168  this.emitEvent( 'transitionEnd', [ this ] );
1169};
1170
1171proto.disableTransition = function() {
1172  this.removeTransitionStyles();
1173  this.element.removeEventListener( transitionEndEvent, this, false );
1174  this.isTransitioning = false;

1175};
1176
1177/**
1178 * removes style property from element
1179 * @param {Object} style
1180**/
1181proto._removeStyles = function( style ) {
1182  // clean up transition styles
1183  var cleanStyle = {};
1184  for ( var prop in style ) {
1185    cleanStyle[ prop ] = '';
1186  }
1187  this.css( cleanStyle );
1188};
1189
1190var cleanTransitionStyle = {
1191  transitionProperty: '',
1192  transitionDuration: '',
1193  transitionDelay: ''
1194};
1195
1196proto.removeTransitionStyles = function() {
1197  // remove transition
1198  this.css( cleanTransitionStyle );
1199};
1200
1201// ----- stagger ----- //
1202
1203proto.stagger = function( delay ) {
1204  delay = isNaN( delay ) ? 0 : delay;
1205  this.staggerDelay = delay + 'ms';
1206};
1207
1208// ----- show/hide/remove ----- //
1209
1210// remove element from DOM
1211proto.removeElem = function() {
1212  this.element.parentNode.removeChild( this.element );
1213  // remove display: none
1214  this.css({ display: '' });
1215  this.emitEvent( 'remove', [ this ] );
1216};
1217
1218proto.remove = function() {
1219  // just remove element if no transition support or no transition
1220  if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
1221    this.removeElem();
1222    return;
1223  }
1224
1225  // start transition
1226  this.once( 'transitionEnd', function() {
1227    this.removeElem();
1228  });
1229  this.hide();
1230};
1231
1232proto.reveal = function() {
1233  delete this.isHidden;
1234  // remove display: none
1235  this.css({ display: '' });
1236
1237  var options = this.layout.options;
1238
1239  var onTransitionEnd = {};
1240  var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
1241  onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd;
1242
1243  this.transition({
1244    from: options.hiddenStyle,
1245    to: options.visibleStyle,
1246    isCleaning: true,
1247    onTransitionEnd: onTransitionEnd
1248  });
1249};
1250
1251proto.onRevealTransitionEnd = function() {
1252  // check if still visible
1253  // during transition, item may have been hidden
1254  if ( !this.isHidden ) {
1255    this.emitEvent('reveal');
1256  }
1257};
1258
1259/**
1260 * get style property use for hide/reveal transition end
1261 * @param {String} styleProperty - hiddenStyle/visibleStyle
1262 * @returns {String}
1263 */
1264proto.getHideRevealTransitionEndProperty = function( styleProperty ) {
1265  var optionStyle = this.layout.options[ styleProperty ];
1266  // use opacity
1267  if ( optionStyle.opacity ) {
1268    return 'opacity';
1269  }
1270  // get first property
1271  for ( var prop in optionStyle ) {
1272    return prop;
1273  }
1274};
1275
1276proto.hide = function() {
1277  // set flag
1278  this.isHidden = true;
1279  // remove display: none
1280  this.css({ display: '' });
1281
1282  var options = this.layout.options;
1283
1284  var onTransitionEnd = {};
1285  var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
1286  onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd;
1287
1288  this.transition({
1289    from: options.visibleStyle,
1290    to: options.hiddenStyle,
1291    // keep hidden stuff hidden
1292    isCleaning: true,
1293    onTransitionEnd: onTransitionEnd
1294  });
1295};
1296
1297proto.onHideTransitionEnd = function() {
1298  // check if still hidden
1299  // during transition, item may have been un-hidden
1300  if ( this.isHidden ) {
1301    this.css({ display: 'none' });
1302    this.emitEvent('hide');
1303  }
1304};
1305
1306proto.destroy = function() {
1307  this.css({
1308    position: '',
1309    left: '',
1310    right: '',
1311    top: '',
1312    bottom: '',
1313    transition: '',
1314    transform: ''
1315  });
1316};
1317
1318return Item;
1319
1320}));
1321
1322/*!
1323 * Outlayer v2.1.0

1323
1324 * the brains and guts of a layout library
1325 * MIT license
1326 */
1327
1328( function( window, factory ) {
1329  'use strict';
1330  // universal module definition
1331  /* jshint strict: false */ /* globals define, module, require */
1332  if ( typeof define == 'function' && define.amd ) {
1333    // AMD - RequireJS
1334    define( 'outlayer/outlayer',[
1335        'ev-emitter/ev-emitter',
1336        'get-size/get-size',
1337        'fizzy-ui-utils/utils',
1338        './item'
1339      ],
1340      function( EvEmitter, getSize, utils, Item ) {
1341        return factory( window, EvEmitter, getSize, utils, Item);
1342      }
1343    );
1344  } else if ( typeof module == 'object' && module.exports ) {
1345    // CommonJS - Browserify, Webpack
1346    module.exports = factory(
1347      window,
1348      require('ev-emitter'),
1349      require('get-size'),
1350      require('fizzy-ui-utils'),
1351      require('./item')
1352    );
1353  } else {
1354    // browser global
1355    window.Outlayer = factory(
1356      window,
1357      window.EvEmitter,
1358      window.getSize,
1359      window.fizzyUIUtils,
1360      window.Outlayer.Item
1361    );
1362  }
1363
1364}( window, function factory( window, EvEmitter, getSize, utils, Item ) {
1365'use strict';
1366
1367// ----- vars ----- //
1368
1369var console = window.console;
1370var jQuery = window.jQuery;
1371var noop = function() {};
1372
1373// -------------------------- Outlayer -------------------------- //
1374
1375// globally unique identifiers
1376var GUID = 0;
1377// internal store of all Outlayer intances
1378var instances = {};
1379
1380
1381/**
1382 * @param {Element, String} element
1383 * @param {Object} options
1384 * @constructor
1385 */
1386function Outlayer( element, options ) {
1387  var queryElement = utils.getQueryElement( element );
1388  if ( !queryElement ) {
1389    if ( console ) {
1390      console.error( 'Bad element for ' + this.constructor.namespace +
1391        ': ' + ( queryElement || element ) );
1392    }
1393    return;
1394  }
1395  this.element = queryElement;
1396  // add jQuery
1397  if ( jQuery ) {
1398    this.$element = jQuery( this.element );
1399  }
1400
1401  // options
1402  this.options = utils.extend( {}, this.constructor.defaults );
1403  this.option( options );
1404
1405  // add id for Outlayer.getFromElement
1406  var id = ++GUID;
1407  this.element.outlayerGUID = id; // expando
1408  instances[ id ] = this; // associate via id
1409
1410  // kick it off
1411  this._create();
1412
1413  var isInitLayout = this._getOption('initLayout');
1414  if ( isInitLayout ) {
1415    this.layout();
1416  }
1417}
1418
1419// settings are for internal use only
1420Outlayer.namespace = 'outlayer';
1421Outlayer.Item = Item;
1422
1423// default options
1424Outlayer.defaults = {
1425  containerStyle: {
1426    position: 'relative'
1427  },
1428  initLayout: true,
1429  originLeft: true,
1430  originTop: true,
1431  resize: true,
1432  resizeContainer: true,
1433  // item options
1434  transitionDuration: '0.4s',
1435  hiddenStyle: {
1436    opacity: 0,
1437    transform: 'scale(0.001)'
1438  },
1439  visibleStyle: {
1440    opacity: 1,
1441    transform: 'scale(1)'
1442  }
1443};
1444
1445var proto = Outlayer.prototype;
1446// inherit EvEmitter
1447utils.extend( proto, EvEmitter.prototype );
1448
1449/**
1450 * set options
1451 * @param {Object} opts
1452 */
1453proto.option = function( opts ) {
1454  utils.extend( this.options, opts );
1455};
1456
1457/**
1458 * get backwards compatible option value, check old name
1459 */
1460proto._getOption = function( option ) {
1461  var oldOption = this.constructor.compatOptions[ option ];
1462  return oldOption && this.options[ oldOption ] !== undefined ?
1463    this.options[ oldOption ] : this.options[ option ];
1464};
1465
1466Outlayer.compatOptions = {
1467  // currentName: oldName
1468  initLayout: 'isInitLayout',
1469  horizontal: 'isHorizontal',
1470  layoutInstant: 'isLayoutInstant',
1471  originLeft: 'isOriginLeft',
1472  originTop: 'isOriginTop',
1473  resize: 'isResizeBound',
1474  resizeContainer: 'isResizingContainer'
1475};
1476
1477proto._create = function() {
1478  // get items from children
1479  this.reloadItems();
1480  // elements that affect layout, but are not laid out
1481  this.stamps = [];
1482  this.stamp( this.options.stamp );
1483  // set container style
1484  utils.extend( this.element.style, this.options.containerStyle );
1485
1486  // bind resize method
1487  var canBindResize = this._getOption('resize');
1488  if ( canBindResize ) {
1489    this.bindResize();
1490  }
1491};
1492
1493// goes through all children again and gets bricks in proper order
1494proto.reloadItems = function() {
1495  // collection of item elements
1496  this.items = this._itemize( this.element.children );
1497};
1498
1499
1500/**
1501 * turn elements into Outlayer.Items to be used in layout
1502 * @param {Array or NodeList or HTMLElement} elems
1503 * @returns {Array} items - collection of new Outlayer Items
1504 */
1505proto._itemize = function( elems ) {
1506
1507  var itemElems = this._filterFindItemElements( elems );
1508  var Item = this.constructor.Item;
1509
1510  // create new Outlayer Items for collection
1511  var items = [];
1512  for ( var i=0; i < itemElems.length; i++ ) {
1513    var elem = itemElems[i];
1514    var item = new Item( elem, this );
1515    items.push( item );
1516  }
1517
1518  return items;
1519};
1520
1521/**
1522 * get item elements to be used in layout
1523 * @param {Array or NodeList or HTMLElement} elems
1524 * @returns {Array} items - item elements
1525 */
1526proto._filterFindItemElements = function( elems ) {
1527  return utils.filterFindElements( elems, this.options.itemSelector );
1528};
1529
1530/**
1531 * getter method for getting item elements
1532 * @returns {Array} elems - collection of item elements
1533 */
1534proto.getItemElements = function() {
1535  return this.items.map( function( item ) {
1536    return item.element;
1537  });
1538};
1539
1540// ----- init & layout ----- //
1541
1542/**
1543 * lays out all items
1544 */
1545proto.layout = function() {
1546  this._resetLayout();
1547  this._manageStamps();
1548
1549  // don't animate first layout
1550  var layoutInstant = this._getOption('layoutInstant');
1551  var isInstant = layoutInstant !== undefined ?
1552    layoutInstant : !this._isLayoutInited;
1553  this.layoutItems( this.items, isInstant );
1554
1555  // flag for initalized
1556  this._isLayoutInited = true;
1557};
1558
1559// _init is alias for layout
1560proto._init = proto.layout;
1561
1562/**
1563 * logic before any new layout
1564 */
1565proto._resetLayout = function() {
1566  this.getSize();
1567};
1568
1569
1570proto.getSize = function() {
1571  this.size = getSize( this.element );
1572};
1573
1574/**
1575 * get measurement from option, for columnWidth, rowHeight, gutter
1576 * if option is String -> get element from selector string, & get size of element
1577 * if option is Element -> get size of element
1578 * else use option as a number
1579 *
1580 * @param {String} measurement
1581 * @param {String} size - width or height
1582 * @private
1583 */
1584proto._getMeasurement = function( measurement, size ) {
1585  var option = this.options[ measurement ];
1586  var elem;
1587  if ( !option ) {
1588    // default to 0
1589    this[ measurement ] = 0;
1590  } else {
1591    // use option as an element
1592    if ( typeof option == 'string' ) {
1593      elem = this.element.querySelector( option );
1594    } else if ( option instanceof HTMLElement ) {
1595      elem = option;
1596    }
1597    // use size of element, if element
1598    this[ measurement ] = elem ? getSize( elem )[ size ] : option;
1599  }
1600};
1601
1602/**
1603 * layout a collection of item elements
1604 * @api public
1605 */
1606proto.layoutItems = function( items, isInstant ) {
1607  items = this._getItemsForLayout( items );
1608
1609  this._layoutItems( items, isInstant );
1610
1611  this._postLayout();
1612};
1613
1614/**
1615 * get the items to be laid out
1616 * you may want to skip over some items
1617 * @param {Array} items
1618 * @returns {Array} items
1619 */
1620proto._getItemsForLayout = function( items ) {
1621  return items.filter( function( item ) {
1622    return !item.isIgnored;
1623  });
1624};
1625
1626/**
1627 * layout items
1628 * @param {Array} items
1629 * @param {Boolean} isInstant
1630 */
1631proto._layoutItems = function( items, isInstant ) {
1632  this._emitCompleteOnItems( 'layout', items );
1633
1634  if ( !items || !items.length ) {
1635    // no items, emit event with empty array
1636    return;
1637  }
1638
1639  var queue = [];
1640
1641  items.forEach( function( item ) {
1642    // get x/y object from method
1643    var position = this._getItemLayoutPosition( item );
1644    // enqueue
1645    position.item = item;
1646    position.isInstant = isInstant || item.isLayoutInstant;
1647    queue.push( position );
1648  }, this );
1649
1650  this._processLayoutQueue( queue );
1651};
1652
1653/**
1654 * get item layout position
1655 * @param {Outlayer.Item} item
1656 * @returns {Object} x and y position
1657 */
1658proto._getItemLayoutPosition = function( /* item */ ) {
1659  return {
1660    x: 0,
1661    y: 0
1662  };
1663};
1664
1665/**
1666 * iterate over array and position each item
1667 * Reason being - separating this logic prevents 'layout invalidation'
1668 * thx @paul_irish
1669 * @param {Array} queue
1670 */
1671proto._processLayoutQueue = function( queue ) {
1672  this.updateStagger();
1673  queue.forEach( function( obj, i ) {
1674    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i );
1675  }, this );
1676};
1677
1678// set stagger from option in milliseconds number
1679proto.updateStagger = function() {
1680  var stagger = this.options.stagger;
1681  if ( stagger === null || stagger === undefined ) {
1682    this.stagger = 0;
1683    return;
1684  }
1685  this.stagger = getMilliseconds( stagger );
1686  return this.stagger;
1687};
1688
1689/**
1690 * Sets position of item in DOM
1691 * @param {Outlayer.Item} item
1692 * @param {Number} x - horizontal position
1693 * @param {Number} y - vertical position
1694 * @param {Boolean} isInstant - disables transitions
1695 */
1696proto._positionItem = function( item, x, y, isInstant, i ) {
1697  if ( isInstant ) {
1698    // if not transition, just set CSS
1699    item.goTo( x, y );
1700  } else {
1701    item.stagger( i * this.stagger );
1702    item.moveTo( x, y );
1703  }
1704};
1705
1706/**
1707 * Any logic you want to do after each layout,
1708 * i.e. size the container
1709 */
1710proto._postLayout = function() {
1711  this.resizeContainer();
1712};
1713
1714proto.resizeContainer = function() {
1715  var isResizingContainer = this._getOption('resizeContainer');
1716  if ( !isResizingContainer ) {
1717    return;
1718  }
1719  var size = this._getContainerSize();
1720  if ( size ) {
1721    this._setContainerMeasure( size.width, true );
1722    this._setContainerMeasure( size.height, false );
1723  }
1724};
1725
1726/**
1727 * Sets width or height of container if returned
1728 * @returns {Object} size
1729 *   @param {Number} width
1730 *   @param {Number} height
1731 */
1732proto._getContainerSize = noop;
1733
1734/**
1735 * @param {Number} measure - size of width or height
1736 * @param {Boolean} isWidth
1737 */
1738proto._setContainerMeasure = function( measure, isWidth ) {
1739  if ( measure === undefined ) {
1740    return;
1741  }
1742
1743  var elemSize = this.size;
1744  // add padding and border width if border box
1745  if ( elemSize.isBorderBox ) {
1746    measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
1747      elemSize.borderLeftWidth + elemSize.borderRightWidth :
1748      elemSize.paddingBottom + elemSize.paddingTop +
1749      elemSize.borderTopWidth + elemSize.borderBottomWidth;
1750  }
1751
1752  measure = Math.max( measure, 0 );
1753  this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px';
1754};
1755
1756/**
1757 * emit eventComplete on a collection of items events
1758 * @param {String} eventName
1759 * @param {Array} items - Outlayer.Items
1760 */
1761proto._emitCompleteOnItems = function( eventName, items ) {
1762  var _this = this;
1763  function onComplete() {
1764    _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
1765  }
1766
1767  var count = items.length;
1768  if ( !items || !count ) {
1769    onComplete();
1770    return;
1771  }
1772
1773  var doneCount = 0;
1774  function tick() {
1775    doneCount++;
1776    if ( doneCount == count ) {
1777      onComplete();
1778    }
1779  }
1780
1781  // bind callback
1782  items.forEach( function( item ) {
1783    item.once( eventName, tick );
1784  });
1785};
1786
1787/**
1788 * emits events via EvEmitter and jQuery events
1789 * @param {String} type - name of event
1790 * @param {Event} event - original event
1791 * @param {Array} args - extra arguments
1792 */
1793proto.dispatchEvent = function( type, event, args ) {
1794  // add original event to arguments
1795  var emitArgs = event ? [ event ].concat( args ) : args;
1796  this.emitEvent( type, emitArgs );
1797
1798  if ( jQuery ) {
1799    // set this.$element
1800    this.$element = this.$element || jQuery( this.element );
1801    if ( event ) {
1802      // create jQuery event
1803      var $event = jQuery.Event( event );
1804      $event.type = type;
1805      this.$element.trigger( $event, args );
1806    } else {
1807      // just trigger with type if no event available
1808      this.$element.trigger( type, args );
1809    }
1810  }
1811};
1812
1813// -------------------------- ignore & stamps -------------------------- //
1814
1815
1816/**
1817 * keep item in collection, but do not lay it out
1818 * ignored items do not get skipped in layout
1819 * @param {Element} elem
1820 */
1821proto.ignore = function( elem ) {
1822  var item = this.getItem( elem );
1823  if ( item ) {
1824    item.isIgnored = true;
1825  }
1826};
1827
1828/**
1829 * return item to layout collection
1830 * @param {Element} elem
1831 */
1832proto.unignore = function( elem ) {
1833  var item = this.getItem( elem );
1834  if ( item ) {
1835    delete item.isIgnored;
1836  }
1837};
1838
1839/**
1840 * adds elements to stamps
1841 * @param {NodeList, Array, Element, or String} elems
1842 */
1843proto.stamp = function( elems ) {
1844  elems = this._find( elems );
1845  if ( !elems ) {
1846    return;
1847  }
1848
1849  this.stamps = this.stamps.concat( elems );
1850  // ignore
1851  elems.forEach( this.ignore, this );
1852};
1853
1854/**
1855 * removes elements to stamps
1856 * @param {NodeList, Array, or Element} elems
1857 */
1858proto.unstamp = function( elems ) {
1859  elems = this._find( elems );
1860  if ( !elems ){
1861    return;
1862  }
1863
1864  elems.forEach( function( elem ) {
1865    // filter out removed stamp elements
1866    utils.removeFrom( this.stamps, elem );
1867    this.unignore( elem );
1868  }, this );
1869};
1870
1871/**
1872 * finds child elements
1873 * @param {NodeList, Array, Element, or String} elems
1874 * @returns {Array} elems
1875 */
1876proto._find = function( elems ) {
1877  if ( !elems ) {
1878    return;
1879  }
1880  // if string, use argument as selector string
1881  if ( typeof elems == 'string' ) {
1882    elems = this.element.querySelectorAll( elems );
1883  }
1884  elems = utils.makeArray( elems );
1885  return elems;
1886};
1887
1888proto._manageStamps = function() {
1889  if ( !this.stamps || !this.stamps.length ) {
1890    return;
1891  }
1892
1893  this._getBoundingRect();
1894
1895  this.stamps.forEach( this._manageStamp, this );
1896};
1897
1898// update boundingLeft / Top
1899proto._getBoundingRect = function() {
1900  // get bounding rect for container element
1901  var boundingRect = this.element.getBoundingClientRect();
1902  var size = this.size;
1903  this._boundingRect = {
1904    left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
1905    top: boundingRect.top + size.paddingTop + size.borderTopWidth,
1906    right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
1907    bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
1908  };
1909};
1910
1911/**
1912 * @param {Element} stamp
1913**/
1914proto._manageStamp = noop;
1915
1916/**
1917 * get x/y position of element relative to container element
1918 * @param {Element} elem
1919 * @returns {Object} offset - has left, top, right, bottom
1920 */
1921proto._getElementOffset = function( elem ) {
1922  var boundingRect = elem.getBoundingClientRect();
1923  var thisRect = this._boundingRect;
1924  var size = getSize( elem );
1925  var offset = {
1926    left: boundingRect.left - thisRect.left - size.marginLeft,
1927    top: boundingRect.top - thisRect.top - size.marginTop,
1928    right: thisRect.right - boundingRect.right - size.marginRight,
1929    bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
1930  };
1931  return offset;
1932};
1933
1934// -------------------------- resize -------------------------- //
1935
1936// enable event handlers for listeners
1937// i.e. resize -> onresize
1938proto.handleEvent = utils.handleEvent;
1939
1940/**
1941 * Bind layout to window resizing
1942 */
1943proto.bindResize = function() {
1944  window.addEventListener( 'resize', this );
1945  this.isResizeBound = true;
1946};
1947
1948/**
1949 * Unbind layout to window resizing
1950 */
1951proto.unbindResize = function() {
1952  window.removeEventListener( 'resize', this );
1953  this.isResizeBound = false;
1954};
1955
1956proto.onresize = function() {
1957  this.resize();
1958};
1959
1960utils.debounceMethod( Outlayer, 'onresize', 100 );
1961
1962proto.resize = function() {
1963  // don't trigger if size did not change
1964  // or if resize was unbound. See #9
1965  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
1966    return;
1967  }
1968
1969  this.layout();
1970};
1971
1972/**
1973 * check if layout is needed post layout
1974 * @returns Boolean
1975 */
1976proto.needsResizeLayout = function() {
1977  var size = getSize( this.element );
1978  // check that this.size and size are there
1979  // IE8 triggers resize on body size change, so they might not be
1980  var hasSizes = this.size && size;
1981  return hasSizes && size.innerWidth !== this.size.innerWidth;
1982};
1983
1984// -------------------------- methods -------------------------- //
1985
1986/**
1987 * add items to Outlayer instance
1988 * @param {Array or NodeList or Element} elems
1989 * @returns {Array} items - Outlayer.Items
1990**/
1991proto.addItems = function( elems ) {
1992  var items = this._itemize( elems );
1993  // add items to collection
1994  if ( items.length ) {
1995    this.items = this.items.concat( items );
1996  }
1997  return items;
1998};
1999
2000/**
2001 * Layout newly-appended item elements
2002 * @param {Array or NodeList or Element} elems
2003 */
2004proto.appended = function( elems ) {
2005  var items = this.addItems( elems );
2006  if ( !items.length ) {
2007    return;
2008  }
2009  // layout and reveal just the new items
2010  this.layoutItems( items, true );
2011  this.reveal( items );
2012};
2013
2014/**
2015 * Layout prepended elements
2016 * @param {Array or NodeList or Element} elems
2017 */
2018proto.prepended = function( elems ) {
2019  var items = this._itemize( elems );
2020  if ( !items.length ) {
2021    return;
2022  }
2023  // add items to beginning of collection
2024  var previousItems = this.items.slice(0);
2025  this.items = items.concat( previousItems );
2026  // start new layout
2027  this._resetLayout();
2028  this._manageStamps();
2029  // layout new stuff without transition
2030  this.layoutItems( items, true );
2031  this.reveal( items );
2032  // layout previous items
2033  this.layoutItems( previousItems );
2034};
2035
2036/**
2037 * reveal a collection of items
2038 * @param {Array of Outlayer.Items} items
2039 */
2040proto.reveal = function( items ) {
2041  this._emitCompleteOnItems( 'reveal', items );
2042  if ( !items || !items.length ) {
2043    return;
2044  }
2045  var stagger = this.updateStagger();
2046  items.forEach( function( item, i ) {
2047    item.stagger( i * stagger );
2048    item.reveal();
2049  });
2050};
2051
2052/**
2053 * hide a collection of items
2054 * @param {Array of Outlayer.Items} items
2055 */
2056proto.hide = function( items ) {
2057  this._emitCompleteOnItems( 'hide', items );
2058  if ( !items || !items.length ) {
2059    return;
2060  }
2061  var stagger = this.updateStagger();
2062  items.forEach( function( item, i ) {
2063    item.stagger( i * stagger );
2064    item.hide();
2065  });
2066};
2067
2068/**
2069 * reveal item elements
2070 * @param {Array}, {Element}, {NodeList} items
2071 */
2072proto.revealItemElements = function( elems ) {
2073  var items = this.getItems( elems );
2074  this.reveal( items );
2075};
2076
2077/**
2078 * hide item elements
2079 * @param {Array}, {Element}, {NodeList} items
2080 */
2081proto.hideItemElements = function( elems ) {
2082  var items = this.getItems( elems );
2083  this.hide( items );
2084};
2085
2086/**
2087 * get Outlayer.Item, given an Element
2088 * @param {Element} elem
2089 * @param {Function} callback
2090 * @returns {Outlayer.Item} item
2091 */
2092proto.getItem = function( elem ) {
2093  // loop through items to get the one that matches
2094  for ( var i=0; i < this.items.length; i++ ) {
2095    var item = this.items[i];
2096    if ( item.element == elem ) {
2097      // return item
2098      return item;
2099    }
2100  }
2101};
2102
2103/**
2104 * get collection of Outlayer.Items, given Elements
2105 * @param {Array} elems
2106 * @returns {Array} items - Outlayer.Items
2107 */
2108proto.getItems = function( elems ) {
2109  elems = utils.makeArray( elems );
2110  var items = [];
2111  elems.forEach( function( elem ) {
2112    var item = this.getItem( elem );
2113    if ( item ) {
2114      items.push( item );
2115    }
2116  }, this );
2117
2118  return items;
2119};
2120
2121/**
2122 * remove element(s) from instance and DOM
2123 * @param {Array or NodeList or Element} elems
2124 */
2125proto.remove = function( elems ) {
2126  var removeItems = this.getItems( elems );
2127
2128  this._emitCompleteOnItems( 'remove', removeItems );
2129
2130  // bail if no items to remove
2131  if ( !removeItems || !removeItems.length ) {
2132    return;
2133  }
2134
2135  removeItems.forEach( function( item ) {
2136    item.remove();
2137    // remove item from collection
2138    utils.removeFrom( this.items, item );
2139  }, this );
2140};
2141
2142// ----- destroy ----- //
2143
2144// remove and disable Outlayer instance
2145proto.destroy = function() {
2146  // clean up dynamic styles
2147  var style = this.element.style;
2148  style.height = '';
2149  style.position = '';
2150  style.width = '';
2151  // destroy items
2152  this.items.forEach( function( item ) {
2153    item.destroy();
2154  });
2155
2156  this.unbindResize();
2157
2158  var id = this.element.outlayerGUID;
2159  delete instances[ id ]; // remove reference to instance by id
2160  delete this.element.outlayerGUID;
2161  // remove data for jQuery
2162  if ( jQuery ) {
2163    jQuery.removeData( this.element, this.constructor.namespace );
2164  }
2165
2166};
2167
2168// -------------------------- data -------------------------- //
2169
2170/**
2171 * get Outlayer instance from element
2172 * @param {Element} elem
2173 * @returns {Outlayer}
2174 */
2175Outlayer.data = function( elem ) {
2176  elem = utils.getQueryElement( elem );
2177  var id = elem && elem.outlayerGUID;
2178  return id && instances[ id ];
2179};
2180
2181
2182// -------------------------- create Outlayer class -------------------------- //
2183
2184/**
2185 * create a layout class
2186 * @param {String} namespace
2187 */
2188Outlayer.create = function( namespace, options ) {
2189  // sub-class Outlayer
2190  var Layout = subclass( Outlayer );
2191  // apply new options and compatOptions
2192  Layout.defaults = utils.extend( {}, Outlayer.defaults );
2193  utils.extend( Layout.defaults, options );
2194  Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions  );
2195
2196  Layout.namespace = namespace;
2197
2198  Layout.data = Outlayer.data;
2199
2200  // sub-class Item
2201  Layout.Item = subclass( Item );
2202
2203  // -------------------------- declarative -------------------------- //
2204
2205  utils.htmlInit( Layout, namespace );
2206
2207  // -------------------------- jQuery bridge -------------------------- //
2208
2209  // make into jQuery plugin
2210  if ( jQuery && jQuery.bridget ) {
2211    jQuery.bridget( namespace, Layout );
2212  }
2213
2214  return Layout;
2215};
2216
2217function subclass( Parent ) {
2218  function SubClass() {
2219    Parent.apply( this, arguments );
2220  }
2221
2222  SubClass.prototype = Object.create( Parent.prototype );
2223  SubClass.prototype.constructor = SubClass;
2224
2225  return SubClass;
2226}
2227
2228// ----- helpers ----- //
2229
2230// how many milliseconds are in each unit
2231var msUnits = {
2232  ms: 1,
2233  s: 1000
2234};
2235
2236// munge time-like parameter into millisecond number
2237// '0.4s' -> 40
2238function getMilliseconds( time ) {
2239  if ( typeof time == 'number' ) {
2240    return time;
2241  }
2242  var matches = time.match( /(^\d*\.?\d*)(\w*)/ );
2243  var num = matches && matches[1];
2244  var unit = matches && matches[2];
2245  if ( !num.length ) {
2246    return 0;
2247  }
2248  num = parseFloat( num );
2249  var mult = msUnits[ unit ] || 1;
2250  return num * mult;
2251}
2252
2253// ----- fin ----- //
2254
2255// back in global
2256Outlayer.Item = Item;
2257
2258return Outlayer;
2259
2260}));
2261
2262/**
2263 * 

2263Isotope Item
2264**/
2265
2266( function( window, factory ) {
2267  // universal module definition
2268  /* jshint strict: false */ /*globals define, module, require */
2269  if ( typeof define == 'function' && define.amd ) {
2270    // AMD
2271    define( 'isotope/js/item',[
2272        'outlayer/outlayer'
2273      ],
2274      factory );
2275  } else if ( typeof module == 'object' && module.exports ) {
2276    // CommonJS
2277    module.exports = factory(
2278      require('outlayer')
2279    );
2280  } else {
2281    // browser global
2282    window.Isotope = window.Isotope || {};
2283    window.Isotope.Item = factory(
2284      window.Outlayer
2285    );
2286  }
2287
2288}( window, function factory( Outlayer ) {
2289'use strict';
2290
2291// -------------------------- Item -------------------------- //
2292
2293// sub-class Outlayer Item
2294function Item() {
2295  Outlayer.Item.apply( this, arguments );
2296}
2297
2298var proto = Item.prototype = Object.create( Outlayer.Item.prototype );
2299
2300var _create = proto._create;
2301proto._create = function() {
2302  // assign id, used for original-order sorting
2303  this.id = this.layout.itemGUID++;
2304  _create.call( this );
2305  this.sortData = {};
2306};
2307
2308proto.updateSortData = function() {
2309  if ( this.isIgnored ) {
2310    return;
2311  }
2312  // default sorters
2313  this.sortData.id = this.id;
2314  // for backward compatibility
2315  this.sortData['original-order'] = this.id;
2316  this.sortData.random = Math.random();
2317  // go thru getSortData obj and apply the sorters
2318  var getSortData = this.layout.options.getSortData;
2319  var sorters = this.layout._sorters;
2320  for ( var key in getSortData ) {
2321    var sorter = sorters[ key ];
2322    this.sortData[ key ] = sorter( this.element, this );
2323  }
2324};
2325
2326var _destroy = proto.destroy;
2327proto.destroy = function() {
2328  // call super
2329  _destroy.apply( this, arguments );
2330  // reset display, #741
2331  this.css({
2332    display: ''
2333  });
2334};
2335
2336return Item;
2337
2338}));
2339
2340/**
2341 * Isotope LayoutMode
2342 */
2343
2344( function( window, factory ) {
2345  // universal module definition
2346  /* jshint strict: false */ /*globals define, module, require */
2347  if ( typeof define == 'function' && define.amd ) {
2348    // AMD
2349    define( 'isotope/js/layout-mode',[
2350        'get-size/get-size',
2351        'outlayer/outlayer'
2352      ],
2353      factory );
2354  } else if ( typeof module == 'object' && module.exports ) {
2355    // CommonJS
2356    module.exports = factory(
2357      require('get-size'),
2358      require('outlayer')
2359    );
2360  } else {
2361    // browser global
2362    window.Isotope = window.Isotope || {};
2363    window.Isotope.LayoutMode = factory(
2364      window.getSize,
2365      window.Outlayer
2366    );
2367  }
2368
2369}( window, function factory( getSize, Outlayer ) {
2370  'use strict';
2371
2372  // layout mode class
2373  function LayoutMode( isotope ) {
2374    this.isotope = isotope;
2375    // link properties
2376    if ( isotope ) {
2377      this.options = isotope.options[ this.namespace ];
2378      this.element = isotope.element;
2379      this.items = isotope.filteredItems;
2380      this.size = isotope.size;
2381    }
2382  }
2383
2384  var proto = LayoutMode.prototype;
2385
2386  /**
2387   * some methods should just defer to default Outlayer method
2388   * and reference the Isotope instance as `this`
2389  **/
2390  var facadeMethods = [
2391    '_resetLayout',
2392    '_getItemLayoutPosition',
2393    '_manageStamp',
2394    '_getContainerSize',
2395    '_getElementOffset',
2396    'needsResizeLayout',
2397    '_getOption'
2398  ];
2399
2400  facadeMethods.forEach( function( methodName ) {
2401    proto[ methodName ] = function() {
2402      return Outlayer.prototype[ methodName ].apply( this.isotope, arguments );
2403    };
2404  });
2405
2406  // -----  ----- //
2407
2408  // for horizontal layout modes, check vertical size
2409  proto.needsVerticalResizeLayout = function() {
2410    // don't trigger if size did not change
2411    var size = getSize( this.isotope.element );
2412    // check that this.size and size are there
2413    // IE8 triggers resize on body size change, so they might not be
2414    var hasSizes = this.isotope.size && size;
2415    return hasSizes && size.innerHeight != this.isotope.size.innerHeight;
2416  };
2417
2418  // ----- measurements ----- //
2419
2420  proto._getMeasurement = function() {
2421    this.isotope._getMeasurement.apply( this, arguments );
2422  };
2423
2424  proto.getColumnWidth = function() {
2425    this.getSegmentSize( 'column', 'Width' );
2426  };
2427
2428  proto.getRowHeight = function() {
2429    this.getSegmentSize( 'row', 'Height' );
2430  };
2431
2432  /**
2433   * get columnWidth or rowHeight
2434   * segment: 'column' or 'row'
2435   * size 'Width' or 'Height'
2436  **/
2437  proto.getSegmentSize = function( segment, size ) {
2438    var segmentName = segment + size;
2439    var outerSize = 'outer' + size;
2440    // columnWidth / outerWidth // rowHeight / outerHeight
2441    this._getMeasurement( segmentName, outerSize );
2442    // got rowHeight or columnWidth, we can chill
2443    if ( this[ segmentName ] ) {
2444      return;
2445    }
2446    // fall back to item of first element
2447    var firstItemSize = this.getFirstItemSize();
2448    this[ segmentName ] = firstItemSize && firstItemSize[ outerSize ] ||
2449      // or size of container
2450      this.isotope.size[ 'inner' + size ];
2451  };
2452
2453  proto.getFirstItemSize = function() {
2454    var firstItem = this.isotope.filteredItems[0];
2455    return firstItem && firstItem.element && getSize( firstItem.element );
2456  };
2457
2458  // ----- methods that should reference isotope ----- //
2459
2460  proto.layout = function() {
2461    this.isotope.layout.apply( this.isotope, arguments );
2462  };
2463
2464  proto.getSize = function() {
2465    this.isotope.getSize();
2466    this.size = this.isotope.size;
2467  };
2468
2469  // -------------------------- create -------------------------- //
2470
2471  LayoutMode.modes = {};
2472
2473  LayoutMode.create = function( namespace, options ) {
2474
2475    function Mode() {
2476      LayoutMode.apply( this, arguments );
2477    }
2478
2479    Mode.prototype = Object.create( proto );
2480    Mode.prototype.constructor = Mode;
2481
2482    // default options
2483    if ( options ) {
2484      Mode.options = options;
2485    }
2486
2487    Mode.prototype.namespace = namespace;
2488    // register in Isotope
2489    LayoutMode.modes[ namespace ] = Mode;
2490
2491    return Mode;
2492  };
2493
2494  return LayoutMode;
2495
2496}));
2497
2498/*!
2499 * Masonry v4.2.0
2500 * Cascading grid layout library
2501 * http://masonry.desandro.com
2502 * MIT License
2503 * by David DeSandro
2504 */
2505
2506( function( window, factory ) {
2507  // universal module definition
2508  /* jshint strict: false */ /*globals define, module, require */
2509  if ( typeof define == 'function' && define.amd ) {
2510    // AMD
2511    define( 'masonry/masonry',[
2512        'outlayer/outlayer',
2513        'get-size/get-size'
2514      ],
2515      factory );
2516  } else if ( typeof module == 'object' && module.exports ) {
2517    // CommonJS
2518    module.exports = factory(
2519      require('outlayer'),
2520      require('get-size')
2521    );
2522  } else {
2523    // browser global
2524    window.Masonry = factory(
2525      window.Outlayer,
2526      window.getSize
2527    );
2528  }
2529
2530}( window, function factory( Outlayer, getSize ) {
2531
2532
2533
2534// -------------------------- masonryDefinition -------------------------- //
2535
2536  // create an Outlayer layout class
2537  var Masonry = Outlayer.create('masonry');
2538  // isFitWidth -> fitWidth
2539  Masonry.compatOptions.fitWidth = 'isFitWidth';
2540
2541  var proto = Masonry.prototype;
2542
2543  proto._resetLayout = function() {
2544    this.getSize();
2545    this._getMeasurement( 'columnWidth', 'outerWidth' );
2546    this._getMeasurement( 'gutter', 'outerWidth' );
2547    this.measureColumns();
2548
2549    // reset column Y
2550    this.colYs = [];
2551    for ( var i=0; i < this.cols; i++ ) {
2552      this.colYs.push( 0 );
2553    }
2554
2555    this.maxY = 0;
2556    this.horizontalColIndex = 0;
2557  };
2558
2559  proto.measureColumns = function() {
2560    this.getContainerWidth();
2561    // if columnWidth is 0, default to outerWidth of first item
2562    if ( !this.columnWidth ) {
2563      var firstItem = this.items[0];
2564      var firstItemElem = firstItem && firstItem.element;
2565      // columnWidth fall back to item of first element
2566      this.columnWidth = firstItemElem && getSize( firstItemElem ).outerWidth ||
2567        // if first elem has no width, default to size of container
2568        this.containerWidth;
2569    }
2570
2571    var columnWidth = this.columnWidth += this.gutter;
2572
2573    // calculate columns
2574    var containerWidth = this.containerWidth + this.gutter;
2575    var cols = containerWidth / columnWidth;
2576    // fix rounding errors, typically with gutters
2577    var excess = columnWidth - containerWidth % columnWidth;
2578    // if overshoot is less than a pixel, round up, otherwise floor it
2579    var mathMethod = excess && excess < 1 ? 'round' : 'floor';
2580    cols = Math[ mathMethod ]( cols );
2581    this.cols = Math.max( cols, 1 );
2582  };
2583
2584  proto.getContainerWidth = function() {
2585    // container is parent if fit width
2586    var isFitWidth = this._getOption('fitWidth');
2587    var container = isFitWidth ? this.element.parentNode : this.element;
2588    // check that this.size and size are there
2589    // IE8 triggers resize on body size change, so they might not be
2590    var size = getSize( container );
2591    this.containerWidth = size && size.innerWidth;
2592  };
2593
2594  proto._getItemLayoutPosition = function( item ) {
2595    item.getSize();
2596    // how many columns does this brick span
2597    var remainder = item.size.outerWidth % this.columnWidth;
2598    var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
2599    // round if off by 1 pixel, otherwise use ceil
2600    var colSpan = Math[ mathMethod ]( item.size.outerWidth / this.columnWidth );
2601    colSpan = Math.min( colSpan, this.cols );
2602    // use horizontal or top column position
2603    var colPosMethod = this.options.horizontalOrder ?
2604      '_getHorizontalColPosition' : '_getTopColPosition';
2605    var colPosition = this[ colPosMethod ]( colSpan, item );
2606    // position the brick
2607    var position = {
2608      x: this.columnWidth * colPosition.col,
2609      y: colPosition.y
2610    };
2611    // apply setHeight to necessary columns
2612    var setHeight = colPosition.y + item.size.outerHeight;
2613    var setMax = colSpan + colPosition.col;
2614    for ( var i = colPosition.col; i < setMax; i++ ) {
2615      this.colYs[i] = setHeight;
2616    }
2617
2618    return position;
2619  };
2620
2621  proto._getTopColPosition = function( colSpan ) {
2622    var colGroup = this._getTopColGroup( colSpan );
2623    // get the minimum Y value from the columns
2624    var minimumY = Math.min.apply( Math, colGroup );
2625
2626    return {
2627      col: colGroup.indexOf( minimumY ),
2628      y: minimumY,
2629    };
2630  };
2631
2632  /**
2633   * @param {Number} colSpan - number of columns the element spans
2634   * @returns {Array} colGroup
2635   */
2636  proto._getTopColGroup = function( colSpan ) {
2637    if ( colSpan < 2 ) {
2638      // if brick spans only one column, use all the column Ys
2639      return this.colYs;
2640    }
2641
2642    var colGroup = [];
2643    // how many different places could this brick fit horizontally
2644    var groupCount = this.cols + 1 - colSpan;
2645    // for each group potential horizontal position
2646    for ( var i = 0; i < groupCount; i++ ) {
2647      colGroup[i] = this._getColGroupY( i, colSpan );
2648    }
2649    return colGroup;
2650  };
2651
2652  proto._getColGroupY = function( col, colSpan ) {
2653    if ( colSpan < 2 ) {
2654      return this.colYs[ col ];
2655    }
2656    // make an array of colY values for that one group
2657    var groupColYs = this.colYs.slice( col, col + colSpan );
2658    // and get the max value of the array
2659    return Math.max.apply( Math, groupColYs );
2660  };
2661
2662  // get column position based on horizontal index. #873
2663  proto._getHorizontalColPosition = function( colSpan, item ) {
2664    var col = this.horizontalColIndex % this.cols;
2665    var isOver = colSpan > 1 && col + colSpan > this.cols;
2666    // shift to next row if item can't fit on current row
2667    col = isOver ? 0 : col;
2668    // don't let zero-size items take up space
2669    var hasSize = item.size.outerWidth && item.size.outerHeight;
2670    this.horizontalColIndex = hasSize ? col + colSpan : this.horizontalColIndex;
2671
2672    return {
2673      col: col,
2674      y: this._getColGroupY( col, colSpan ),
2675    };
2676  };
2677
2678  proto._manageStamp = function( stamp ) {
2679    var stampSize = getSize( stamp );
2680    var offset = this._getElementOffset( stamp );
2681    // get the columns that this stamp affects
2682    var isOriginLeft = this._getOption('originLeft');
2683    var firstX = isOriginLeft ? offset.left : offset.right;
2684    var lastX = firstX + stampSize.outerWidth;
2685    var firstCol = Math.floor( firstX / this.columnWidth );
2686    firstCol = Math.max( 0, firstCol );
2687    var lastCol = Math.floor( lastX / this.columnWidth );
2688    // lastCol should not go over if multiple of columnWidth #425
2689    lastCol -= lastX % this.columnWidth ? 0 : 1;
2690    lastCol = Math.min( this.cols - 1, lastCol );
2691    // set colYs to bottom of the stamp
2692
2693    var isOriginTop = this._getOption('originTop');
2694    var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) +
2695      stampSize.outerHeight;
2696    for ( var i = firstCol; i <= lastCol; i++ ) {
2697      this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
2698    }
2699  };
2700
2701  proto._getContainerSize = function() {
2702    this.maxY = Math.max.apply( Math, this.colYs );
2703    var size = {
2704      height: this.maxY
2705    };
2706
2707    if ( this._getOption('fitWidth') ) {
2708      size.width = this._getContainerFitWidth();
2709    }
2710
2711    return size;
2712  };
2713
2714  proto._getContainerFitWidth = function() {
2715    var unusedCols = 0;
2716    // count unused columns
2717    var i = this.cols;
2718    while ( --i ) {
2719      if ( this.colYs[i] !== 0 ) {
2720        break;
2721      }
2722      unusedCols++;
2723    }
2724    // fit container to columns that have been used
2725    return ( this.cols - unusedCols ) * this.columnWidth - this.gutter;
2726  };
2727
2728  proto.needsResizeLayout = function() {
2729    var previousWidth = this.containerWidth;
2730    this.getContainerWidth();
2731    return previousWidth != this.containerWidth;
2732  };
2733
2734  return Masonry;
2735
2736}));
2737
2738/*!
2739 * Masonry layout mode
2740 * sub-classes Masonry
2741 * http://masonry.desandro.com
2742 */
2743
2744( function( window, factory ) {
2745  // universal module definition
2746  /* jshint strict: false */ /*globals define, module, require */
2747  if ( typeof define == 'function' && define.amd ) {
2748    // AMD
2749    define( 'isotope/js/layout-modes/masonry',[
2750        '../layout-mode',
2751        'masonry/masonry'
2752      ],
2753      factory );
2754  } else if ( typeof module == 'object' && module.exports ) {
2755    // CommonJS
2756    module.exports = factory(
2757      require('../layout-mode'),
2758      require('masonry-layout')
2759    );
2760  } else {
2761    // browser global
2762    factory(
2763      window.Isotope.LayoutMode,
2764      window.Masonry
2765    );
2766  }
2767
2768}( window, function factory( LayoutMode, Masonry ) {
2769'use strict';
2770
2771// -------------------------- masonryDefinition -------------------------- //
2772
2773  // create an Outlayer layout class
2774  var MasonryMode = LayoutMode.create('masonry');
2775
2776  var proto = MasonryMode.prototype;
2777
2778  var keepModeMethods = {
2779    _getElementOffset: true,
2780    layout: true,
2781    _getMeasurement: true
2782  };
2783
2784  // inherit Masonry prototype
2785  for ( var method in Masonry.prototype ) {
2786    // do not inherit mode methods
2787    if ( !keepModeMethods[ method ] ) {
2788      proto[ method ] = Masonry.prototype[ method ];
2789    }
2790  }
2791
2792  var measureColumns = proto.measureColumns;
2793  proto.measureColumns = function() {
2794    // set items, used if measuring first item
2795    this.items = this.isotope.filteredItems;
2796    measureColumns.call( this );
2797  };
2798
2799  // point to mode options for fitWidth
2800  var _getOption = proto._getOption;
2801  proto._getOption = function( option ) {
2802    if ( option == 'fitWidth' ) {
2803      return this.options.isFitWidth !== undefined ?
2804        this.options.isFitWidth : this.options.fitWidth;
2805    }
2806    return _getOption.apply( this.isotope, arguments );
2807  };
2808
2809  return MasonryMode;
2810
2811}));
2812
2813/**
2814 * fitRows layout mode
2815 */
2816
2817( function( window, factory ) {
2818  // universal module definition
2819  /* jshint strict: false */ /*globals define, module, require */
2820  if ( typeof define == 'function' && define.amd ) {
2821    // AMD
2822    define( 'isotope/js/layout-modes/fit-rows',[
2823        '../layout-mode'
2824      ],
2825      factory );
2826  } else if ( typeof exports == 'object' ) {
2827    // CommonJS
2828    module.exports = factory(
2829      require('../layout-mode')
2830    );
2831  } else {
2832    // browser global
2833    factory(
2834      window.Isotope.LayoutMode
2835    );
2836  }
2837
2838}( window, function factory( LayoutMode ) {
2839'use strict';
2840
2841var FitRows = LayoutMode.create('fitRows');
2842
2843var proto = FitRows.prototype;
2844
2845proto._resetLayout = function() {
2846  this.x = 0;
2847  this.y = 0;
2848  this.maxY = 0;
2849  this._getMeasurement( 'gutter', 'outerWidth' );
2850};
2851
2852proto._getItemLayoutPosition = function( item ) {
2853  item.getSize();
2854
2855  var itemWidth = item.size.outerWidth + this.gutter;
2856  // if this element cannot fit in the current row
2857  var containerWidth = this.isotope.size.innerWidth + this.gutter;
2858  if ( this.x !== 0 && itemWidth + this.x > containerWidth ) {
2859    this.x = 0;
2860    this.y = this.maxY;
2861  }
2862
2863  var position = {
2864    x: this.x,
2865    y: this.y
2866  };
2867
2868  this.maxY = Math.max( this.maxY, this.y + item.size.outerHeight );
2869  this.x += itemWidth;
2870
2871  return position;
2872};
2873
2874proto._getContainerSize = function() {
2875  return { height: this.maxY };
2876};
2877
2878return FitRows;
2879
2880}));
2881
2882/**
2883 * vertical layout mode
2884 */
2885
2886( function( window, factory ) {
2887  // universal module definition
2888  /* jshint strict: false */ /*globals define, module, require */
2889  if ( typeof define == 'function' && define.amd ) {
2890    // AMD
2891    define( 'isotope/js/layout-modes/vertical',[
2892        '../layout-mode'
2893      ],
2894      factory );
2895  } else if ( typeof module == 'object' && module.exports ) {
2896    // CommonJS
2897    module.exports = factory(
2898      require('../layout-mode')
2899    );
2900  } else {
2901    // browser global
2902    factory(
2903      window.Isotope.LayoutMode
2904    );
2905  }
2906
2907}( window, function factory( LayoutMode ) {
2908'use strict';
2909
2910var Vertical = LayoutMode.create( 'vertical', {
2911  horizontalAlignment: 0
2912});
2913
2914var proto = Vertical.prototype;
2915
2916proto._resetLayout = function() {
2917  this.y = 0;
2918};
2919
2920proto._getItemLayoutPosition = function( item ) {
2921  item.getSize();
2922  var x = ( this.isotope.size.innerWidth - item.size.outerWidth ) *
2923    this.options.horizontalAlignment;
2924  var y = this.y;
2925  this.y += item.size.outerHeight;
2926  return { x: x, y: y };
2927};
2928
2929proto._getContainerSize = function() {
2930  return { height: this.y };
2931};
2932
2933return Vertical;
2934
2935}));
2936
2937/*!
2938 * Isotope v3.0.4
2939 *
2940 * Licensed GPLv3 for open source use
2941 * or Isotope Commercial License for commercial use
2942 *
2943 * http://isotope.metafizzy.co
2944 * Copyright 2017 Metafizzy
2945 */
2946
2947( function( window, factory ) {
2948  // universal module definition
2949  /* jshint strict: false */ /*globals define, module, require */
2950  if ( typeof define == 'function' && define.amd ) {
2951    // AMD
2952    define( [
2953        'outlayer/outlayer',
2954        'get-size/get-size',
2955        'desandro-matches-selector/matches-selector',
2956        'fizzy-ui-utils/utils',
2957        'isotope/js/item',
2958        'isotope/js/layout-mode',
2959        // include default layout modes
2960        'isotope/js/layout-modes/masonry',
2961        'isotope/js/layout-modes/fit-rows',
2962        'isotope/js/layout-modes/vertical'
2963      ],
2964      function( Outlayer, getSize, matchesSelector, utils, Item, LayoutMode ) {
2965        return factory( window, Outlayer, getSize, matchesSelector, utils, Item, LayoutMode );
2966      });
2967  } else if ( typeof module == 'object' && module.exports ) {
2968    // CommonJS
2969    module.exports = factory(
2970      window,
2971      require('outlayer'),
2972      require('get-size'),
2973      require('desandro-matches-selector'),
2974      require('fizzy-ui-utils'),
2975      require('isotope/js/item'),
2976      require('isotope/js/layout-mode'),
2977      // include default layout modes
2978      require('isotope/js/layout-modes/masonry'),
2979      require('isotope/js/layout-modes/fit-rows'),
2980      require('isotope