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https://www.magnumphotos.com/wp-content/themes/template/res/js/vendor/masonry.pkgd.min.js?ver=0.6.1

js magnumphotos.com collected 2026-10-01 08:34:10 UTC 92,987 bytes, 3,513 lines download raw bytes

vendor: 36,172 bytes, lines 1-1374
1/*!
2 * Isotope PACKAGED v3.0.0
3 *
4 * Licensed GPLv3 for open source use
5 * or Isotope Commercial License for commercial use
6 *
7 * http://isotope.metafizzy.co
8 * Copyright 2016 Metafizzy
9 */
10
11/**
12 * Bridget makes jQuery widgets
13 * v2.0.0
14 * MIT license
15 */
16
17/* jshint browser: true, strict: true, undef: true, unused: true */
18
19( function( window, factory ) {
20  'use strict';
21  /* globals define: false, module: false, require: false */
22
23  if ( typeof define == 'function' && define.amd ) {
24    // AMD
25    define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
26      factory( window, jQuery );
27    });
28  } else if ( typeof module == 'object' && module.exports ) {
29    // CommonJS
30    module.exports = factory(
31      window,
32      require('jquery')
33    );
34  } else {
35    // browser global
36    window.jQueryBridget = factory(
37      window,
38      window.jQuery
39    );
40  }
41
42}( window, function factory( window, jQuery ) {
43'use strict';
44
45// ----- utils ----- //
46
47var arraySlice = Array.prototype.slice;
48
49// helper function for logging errors
50// $.error breaks jQuery chaining
51var console = window.console;
52var logError = typeof console == 'undefined' ? function() {} :
53  function( message ) {
54    console.error( message );
55  };
56
57// ----- jQueryBridget ----- //
58
59function jQueryBridget( namespace, PluginClass, $ ) {
60  $ = $ || jQuery || window.jQuery;
61  if ( !$ ) {
62    return;
63  }
64
65  // add option method -> $().plugin('option', {...})
66  if ( !PluginClass.prototype.option ) {
67    // option setter
68    PluginClass.prototype.option = function( opts ) {
69      // bail out if not an object
70      if ( !$.isPlainObject( opts ) ){
71        return;
72      }
73      this.options = $.extend( true, this.options, opts );
74    };
75  }
76
77  // make jQuery plugin
78  $.fn[ namespace ] = function( arg0 /*, arg1 */ ) {
79    if ( typeof arg0 == 'string' ) {
80      // method call $().plugin( 'methodName', { options } )
81      // shift arguments by 1
82      var args = arraySlice.call( arguments, 1 );
83      return methodCall( this, arg0, args );
84    }
85    // just $().plugin({ options })
86    plainCall( this, arg0 );
87    return this;
88  };
89
90  // $().plugin('methodName')
91  function methodCall( $elems, methodName, args ) {
92    var returnValue;
93    var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';
94
95    $elems.each( function( i, elem ) {
96      // get instance
97      var instance = $.data( elem, namespace );
98      if ( !instance ) {
99        logError( namespace + ' not initialized. Cannot call methods, i.e. ' +
100          pluginMethodStr );
101        return;
102      }
103
104      var method = instance[ methodName ];
105      if ( !method || methodName.charAt(0) == '_' ) {
106        logError( pluginMethodStr + ' is not a valid method' );
107        return;
108      }
109
110      // apply method, get return value
111      var value = method.apply( instance, args );
112      // set return value if value is returned, use only first value
113      returnValue = returnValue === undefined ? value : returnValue;
114    });
115
116    return returnValue !== undefined ? returnValue : $elems;
117  }
118
119  function plainCall( $elems, options ) {
120    $elems.each( function( i, elem ) {
121      var instance = $.data( elem, namespace );
122      if ( instance ) {
123        // set options & init
124        instance.option( options );
125        instance._init();
126      } else {
127        // initialize new instance
128        instance = new PluginClass( elem, options );
129        $.data( elem, namespace, instance );
130      }
131    });
132  }
133
134  updateJQuery( $ );
135
136}
137
138// ----- updateJQuery ----- //
139
140// set $.bridget for v1 backwards compatibility
141function updateJQuery( $ ) {
142  if ( !$ || ( $ && $.bridget ) ) {
143    return;
144  }
145  $.bridget = jQueryBridget;
146}
147
148updateJQuery( jQuery || window.jQuery );
149
150// -----  ----- //
151
152return jQueryBridget;
153
154}));
155
156/**
157 * EvEmitter v1.0.2
158 * Lil' event emitter
159 * MIT License
160 */
161
162/* jshint unused: true, undef: true, strict: true */
163
164( function( global, factory ) {
165  // universal module definition
166  /* jshint strict: false */ /* globals define, module */
167  if ( typeof define == 'function' && define.amd ) {
168    // AMD - RequireJS
169    define( 'ev-emitter/ev-emitter',factory );
170  } else if ( typeof module == 'object' && module.exports ) {
171    // CommonJS - Browserify, Webpack
172    module.exports = factory();
173  } else {
174    // Browser globals
175    global.EvEmitter = factory();
176  }
177
178}( this, function() {
179
180
181
182function EvEmitter() {}
183
184var proto = EvEmitter.prototype;
185
186proto.on = function( eventName, listener ) {
187  if ( !eventName || !listener ) {
188    return;
189  }
190  // set events hash
191  var events = this._events = this._events || {};
192  // set listeners array
193  var listeners = events[ eventName ] = events[ eventName ] || [];
194  // only add once
195  if ( listeners.indexOf( listener ) == -1 ) {
196    listeners.push( listener );
197  }
198
199  return this;
200};
201
202proto.once = function( eventName, listener ) {
203  if ( !eventName || !listener ) {
204    return;
205  }
206  // add event
207  this.on( eventName, listener );
208  // set once flag
209  // set onceEvents hash
210  var onceEvents = this._onceEvents = this._onceEvents || {};
211  // set onceListeners object
212  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
213  // set flag
214  onceListeners[ listener ] = true;
215
216  return this;
217};
218
219proto.off = function( eventName, listener ) {
220  var listeners = this._events && this._events[ eventName ];
221  if ( !listeners || !listeners.length ) {
222    return;
223  }
224  var index = listeners.indexOf( listener );
225  if ( index != -1 ) {
226    listeners.splice( index, 1 );
227  }
228
229  return this;
230};
231
232proto.emitEvent = function( eventName, args ) {
233  var listeners = this._events && this._events[ eventName ];
234  if ( !listeners || !listeners.length ) {
235    return;
236  }
237  var i = 0;
238  var listener = listeners[i];
239  args = args || [];
240  // once stuff
241  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];
242
243  while ( listener ) {
244    var isOnce = onceListeners && onceListeners[ listener ];
245    if ( isOnce ) {
246      // remove listener
247      // remove before trigger to prevent recursion
248      this.off( eventName, listener );
249      // unset once flag
250      delete onceListeners[ listener ];
251    }
252    // trigger listener
253    listener.apply( this, args );
254    // get next listener
255    i += isOnce ? 0 : 1;
256    listener = listeners[i];
257  }
258
259  return this;
260};
261
262return EvEmitter;
263
264}));
265
266/*!
267 * getSize v2.0.2
268 * measure size of elements
269 * MIT license
270 */
271
272/*jshint browser: true, strict: true, undef: true, unused: true */
273/*global define: false, module: false, console: false */
274
275( function( window, factory ) {
276  'use strict';
277
278  if ( typeof define == 'function' && define.amd ) {
279    // AMD
280    define( 'get-size/get-size',[],function() {
281      return factory();
282    });
283  } else if ( typeof module == 'object' && module.exports ) {
284    // CommonJS
285    module.exports = factory();
286  } else {
287    // browser global
288    window.getSize = factory();
289  }
290
291})( window, function factory() {
292'use strict';
293
294// -------------------------- helpers -------------------------- //
295
296// get a number from a string, not a percentage
297function getStyleSize( value ) {
298  var num = parseFloat( value );
299  // not a percent like '100%', and a number
300  var isValid = value.indexOf('%') == -1 && !isNaN( num );
301  return isValid && num;
302}
303
304function noop() {}
305
306var logError = typeof console == 'undefined' ? noop :
307  function( message ) {
308    console.error( message );
309  };
310
311// -------------------------- measurements -------------------------- //
312
313var measurements = [
314  'paddingLeft',
315  'paddingRight',
316  'paddingTop',
317  'paddingBottom',
318  'marginLeft',
319  'marginRight',
320  'marginTop',
321  'marginBottom',
322  'borderLeftWidth',
323  'borderRightWidth',
324  'borderTopWidth',
325  'borderBottomWidth'
326];
327
328var measurementsLength = measurements.length;
329
330function getZeroSize() {
331  var size = {
332    width: 0,
333    height: 0,
334    innerWidth: 0,
335    innerHeight: 0,
336    outerWidth: 0,
337    outerHeight: 0
338  };
339  for ( var i=0; i < measurementsLength; i++ ) {
340    var measurement = measurements[i];
341    size[ measurement ] = 0;
342  }
343  return size;
344}
345
346// -------------------------- getStyle -------------------------- //
347
348/**
349 * getStyle, get style of element, check for Firefox bug
350 * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
351 */
352function getStyle( elem ) {
353  var style = getComputedStyle( elem );
354  if ( !style ) {
355    logError( 'Style returned ' + style +
356      '. Are you running this code in a hidden iframe on Firefox? ' +
357      'See http://bit.ly/getsizebug1' );
358  }
359  return style;
360}
361
362// -------------------------- setup -------------------------- //
363
364var isSetup = false;
365
366var isBoxSizeOuter;
367
368/**
369 * setup
370 * check isBoxSizerOuter
371 * do on first getSize() rather than on page load for Firefox bug
372 */
373function setup() {
374  // setup once
375  if ( isSetup ) {
376    return;
377  }
378  isSetup = true;
379
380  // -------------------------- box sizing -------------------------- //
381
382  /**
383   * WebKit measures the outer-width on style.width on border-box elems
384   * IE & Firefox<29 measures the inner-width
385   */
386  var div = document.createElement('div');
387  div.style.width = '200px';
388  div.style.padding = '1px 2px 3px 4px';
389  div.style.borderStyle = 'solid';
390  div.style.borderWidth = '1px 2px 3px 4px';
391  div.style.boxSizing = 'border-box';
392
393  var body = document.body || document.documentElement;
394  body.appendChild( div );
395  var style = getStyle( div );
396
397  getSize.isBoxSizeOuter = isBoxSizeOuter = getStyleSize( style.width ) == 200;
398  body.removeChild( div );
399
400}
401
402// -------------------------- getSize -------------------------- //
403
404function getSize( elem ) {
405  setup();
406
407  // use querySeletor if elem is string
408  if ( typeof elem == 'string' ) {
409    elem = document.querySelector( elem );
410  }
411
412  // do not proceed on non-objects
413  if ( !elem || typeof elem != 'object' || !elem.nodeType ) {
414    return;
415  }
416
417  var style = getStyle( elem );
418
419  // if hidden, everything is 0
420  if ( style.display == 'none' ) {
421    return getZeroSize();
422  }
423
424  var size = {};
425  size.width = elem.offsetWidth;
426  size.height = elem.offsetHeight;
427
428  var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';
429
430  // get all measurements
431  for ( var i=0; i < measurementsLength; i++ ) {
432    var measurement = measurements[i];
433    var value = style[ measurement ];
434    var num = parseFloat( value );
435    // any 'auto', 'medium' value will be 0
436    size[ measurement ] = !isNaN( num ) ? num : 0;
437  }
438
439  var paddingWidth = size.paddingLeft + size.paddingRight;
440  var paddingHeight = size.paddingTop + size.paddingBottom;
441  var marginWidth = size.marginLeft + size.marginRight;
442  var marginHeight = size.marginTop + size.marginBottom;
443  var borderWidth = size.borderLeftWidth + size.borderRightWidth;
444  var borderHeight = size.borderTopWidth + size.borderBottomWidth;
445
446  var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;
447
448  // overwrite width and height if we can get it from style
449  var styleWidth = getStyleSize( style.width );
450  if ( styleWidth !== false ) {
451    size.width = styleWidth +
452      // add padding and border unless it's already including it
453      ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
454  }
455
456  var styleHeight = getStyleSize( style.height );
457  if ( styleHeight !== false ) {
458    size.height = styleHeight +
459      // add padding and border unless it's already including it
460      ( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight );
461  }
462
463  size.innerWidth = size.width - ( paddingWidth + borderWidth );
464  size.innerHeight = size.height - ( paddingHeight + borderHeight );
465
466  size.outerWidth = size.width + marginWidth;
467  size.outerHeight = size.height + marginHeight;
468
469  return size;
470}
471
472return getSize;
473
474});
475
476/**
477 * matchesSelector v2.0.1
478 * matchesSelector( element, '.selector' )
479 * MIT license
480 */
481
482/*jshint browser: true, strict: true, undef: true, unused: true */
483
484( function( window, factory ) {
485  /*global define: false, module: false */
486  'use strict';
487  // universal module definition
488  if ( typeof define == 'function' && define.amd ) {
489    // AMD
490    define( 'desandro-matches-selector/matches-selector',factory );
491  } else if ( typeof module == 'object' && module.exports ) {
492    // CommonJS
493    module.exports = factory();
494  } else {
495    // browser global
496    window.matchesSelector = factory();
497  }
498
499}( window, function factory() {
500  'use strict';
501
502  var matchesMethod = ( function() {
503    var ElemProto = Element.prototype;
504    // check for the standard method name first
505    if ( ElemProto.matches ) {
506      return 'matches';
507    }
508    // check un-prefixed
509    if ( ElemProto.matchesSelector ) {
510      return 'matchesSelector';
511    }
512    // check vendor prefixes
513    var prefixes = [ 'webkit', 'moz', 'ms', 'o' ];
514
515    for ( var i=0; i < prefixes.length; i++ ) {
516      var prefix = prefixes[i];
517      var method = prefix + 'MatchesSelector';
518      if ( ElemProto[ method ] ) {
519        return method;
520      }
521    }
522  })();
523
524  return function matchesSelector( elem, selector ) {
525    return elem[ matchesMethod ]( selector );
526  };
527
528}));
529
530/**
531 * Fizzy UI utils v2.0.1
532 * MIT license
533 */
534
535/*jshint browser: true, undef: true, unused: true, strict: true */
536
537( function( window, factory ) {
538  // universal module definition
539  /*jshint strict: false */ /*globals define, module, require */
540
541  if ( typeof define == 'function' && define.amd ) {
542    // AMD
543    define( 'fizzy-ui-utils/utils',[
544      'desandro-matches-selector/matches-selector'
545    ], function( matchesSelector ) {
546      return factory( window, matchesSelector );
547    });
548  } else if ( typeof module == 'object' && module.exports ) {
549    // CommonJS
550    module.exports = factory(
551      window,
552      require('desandro-matches-selector')
553    );
554  } else {
555    // browser global
556    window.fizzyUIUtils = factory(
557      window,
558      window.matchesSelector
559    );
560  }
561
562}( window, function factory( window, matchesSelector ) {
563
564
565
566var utils = {};
567
568// ----- extend ----- //
569
570// extends objects
571utils.extend = function( a, b ) {
572  for ( var prop in b ) {
573    a[ prop ] = b[ prop ];
574  }
575  return a;
576};
577
578// ----- modulo ----- //
579
580utils.modulo = function( num, div ) {
581  return ( ( num % div ) + div ) % div;
582};
583
584// ----- makeArray ----- //
585
586// turn element or nodeList into an array
587utils.makeArray = function( obj ) {
588  var ary = [];
589  if ( Array.isArray( obj ) ) {
590    // use object if already an array
591    ary = obj;
592  } else if ( obj && 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 != 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  if ( document.readyState == 'complete' ) {
703    callback();
704  } else {
705    document.addEventListener( 'DOMContentLoaded', callback );
706  }
707};
708
709// ----- htmlInit ----- //
710
711// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
712utils.toDashed = function( str ) {
713  return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
714    return $1 + '-' + $2;
715  }).toLowerCase();
716};
717
718var console = window.console;
719/**
720 * allow user to initialize classes via [data-namespace] or .js-namespace class
721 * htmlInit( Widget, 'widgetName' )
722 * options are parsed from data-namespace-options
723 */
724utils.htmlInit = function( WidgetClass, namespace ) {
725  utils.docReady( function() {
726    var dashedNamespace = utils.toDashed( namespace );
727    var dataAttr = 'data-' + dashedNamespace;
728    var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' );
729    var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace );
730    var elems = utils.makeArray( dataAttrElems )
731      .concat( utils.makeArray( jsDashElems ) );
732    var dataOptionsAttr = dataAttr + '-options';
733    var jQuery = window.jQuery;
734
735    elems.forEach( function( elem ) {
736      var attr = elem.getAttribute( dataAttr ) ||
737        elem.getAttribute( dataOptionsAttr );
738      var options;
739      try {
740        options = attr && JSON.parse( attr );
741      } catch ( error ) {
742        // log error, do not initialize
743        if ( console ) {
744          console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className +
745          ': ' + error );
746        }
747        return;
748      }
749      // initialize
750      var instance = new WidgetClass( elem, options );
751      // make available via $().data('layoutname')
752      if ( jQuery ) {
753        jQuery.data( elem, namespace, instance );
754      }
755    });
756
757  });
758};
759
760// -----  ----- //
761
762return utils;
763
764}));
765
766/**
767 * Outlayer Item
768 */
769
770( function( window, factory ) {
771  // universal module definition
772  /* jshint strict: false */ /* globals define, module, require */
773  if ( typeof define == 'function' && define.amd ) {
774    // AMD - RequireJS
775    define( 'outlayer/item',[
776        'ev-emitter/ev-emitter',
777        'get-size/get-size'
778      ],
779      factory
780    );
781  } else if ( typeof module == 'object' && module.exports ) {
782    // CommonJS - Browserify, Webpack
783    module.exports = factory(
784      require('ev-emitter'),
785      require('get-size')
786    );
787  } else {
788    // browser global
789    window.Outlayer = {};
790    window.Outlayer.Item = factory(
791      window.EvEmitter,
792      window.getSize
793    );
794  }
795
796}( window, function factory( EvEmitter, getSize ) {
797'use strict';
798
799// ----- helpers ----- //
800
801function isEmptyObj( obj ) {
802  for ( var prop in obj ) {
803    return false;
804  }
805  prop = null;
806  return true;
807}
808
809// -------------------------- CSS3 support -------------------------- //
810
811
812var docElemStyle = document.documentElement.style;
813
814var transitionProperty = typeof docElemStyle.transition == 'string' ?
815  'transition' : 'WebkitTransition';
816var transformProperty = typeof docElemStyle.transform == 'string' ?
817  'transform' : 'WebkitTransform';
818
819var transitionEndEvent = {
820  WebkitTransition: 'webkitTransitionEnd',
821  transition: 'transitionend'
822}[ transitionProperty ];
823
824// cache all vendor properties that could have vendor prefix
825var vendorProperties = {
826  transform: transformProperty,
827  transition: transitionProperty,
828  transitionDuration: transitionProperty + 'Duration',
829  transitionProperty: transitionProperty + 'Property',
830  transitionDelay: transitionProperty + 'Delay'
831};
832
833// -------------------------- Item -------------------------- //
834
835function Item( element, layout ) {
836  if ( !element ) {
837    return;
838  }
839
840  this.element = element;
841  // parent layout class, i.e. Masonry, Isotope, or Packery
842  this.layout = layout;
843  this.position = {
844    x: 0,
845    y: 0
846  };
847
848  this._create();
849}
850
851// inherit EvEmitter
852var proto = Item.prototype = Object.create( EvEmitter.prototype );
853proto.constructor = Item;
854
855proto._create = function() {
856  // transition objects
857  this._transn = {
858    ingProperties: {},
859    clean: {},
860    onEnd: {}
861  };
862
863  this.css({
864    position: 'absolute'
865  });
866};
867
868// trigger specified handler for event type
869proto.handleEvent = function( event ) {
870  var method = 'on' + event.type;
871  if ( this[ method ] ) {
872    this[ method ]( event );
873  }
874};
875
876proto.getSize = function() {
877  this.size = getSize( this.element );
878};
879
880/**
881 * apply CSS styles to element
882 * @param {Object} style
883 */
884proto.css = function( style ) {
885  var elemStyle = this.element.style;
886
887  for ( var prop in style ) {
888    // use vendor property if available
889    var supportedProp = vendorProperties[ prop ] || prop;
890    elemStyle[ supportedProp ] = style[ prop ];
891  }
892};
893
894 // measure position, and sets it
895proto.getPosition = function() {
896  var style = getComputedStyle( this.element );
897  var isOriginLeft = this.layout._getOption('originLeft');
898  var isOriginTop = this.layout._getOption('originTop');
899  var xValue = style[ isOriginLeft ? 'left' : 'right' ];
900  var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
901  // convert percent to pixels
902  var layoutSize = this.layout.size;
903  var x = xValue.indexOf('%') != -1 ?
904    ( parseFloat( xValue ) / 100 ) * layoutSize.width : parseInt( xValue, 10 );
905  var y = yValue.indexOf('%') != -1 ?
906    ( parseFloat( yValue ) / 100 ) * layoutSize.height : parseInt( yValue, 10 );
907
908  // clean up 'auto' or other non-integer values
909  x = isNaN( x ) ? 0 : x;
910  y = isNaN( y ) ? 0 : y;
911  // remove padding from measurement
912  x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
913  y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;
914
915  this.position.x = x;
916  this.position.y = y;
917};
918
919// set settled position, apply padding
920proto.layoutPosition = function() {
921  var layoutSize = this.layout.size;
922  var style = {};
923  var isOriginLeft = this.layout._getOption('originLeft');
924  var isOriginTop = this.layout._getOption('originTop');
925
926  // x
927  var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
928  var xProperty = isOriginLeft ? 'left' : 'right';
929  var xResetProperty = isOriginLeft ? 'right' : 'left';
930
931  var x = this.position.x + layoutSize[ xPadding ];
932  // set in percentage or pixels
933  style[ xProperty ] = this.getXValue( x );
934  // reset other property
935  style[ xResetProperty ] = '';
936
937  // y
938  var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
939  var yProperty = isOriginTop ? 'top' : 'bottom';
940  var yResetProperty = isOriginTop ? 'bottom' : 'top';
941
942  var y = this.position.y + layoutSize[ yPadding ];
943  // set in percentage or pixels
944  style[ yProperty ] = this.getYValue( y );
945  // reset other property
946  style[ yResetProperty ] = '';
947
948  this.css( style );
949  this.emitEvent( 'layout', [ this ] );
950};
951
952proto.getXValue = function( x ) {
953  var isHorizontal = this.layout._getOption('horizontal');
954  return this.layout.options.percentPosition && !isHorizontal ?
955    ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
956};
957
958proto.getYValue = function( y ) {
959  var isHorizontal = this.layout._getOption('horizontal');
960  return this.layout.options.percentPosition && isHorizontal ?
961    ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
962};
963
964proto._transitionTo = function( x, y ) {
965  this.getPosition();
966  // get current x & y from top/left
967  var curX = this.position.x;
968  var curY = this.position.y;
969
970  var compareX = parseInt( x, 10 );
971  var compareY = parseInt( y, 10 );
972  var didNotMove = compareX === this.position.x && compareY === this.position.y;
973
974  // save end position
975  this.setPosition( x, y );
976
977  // if did not move and not transitioning, just go to layout
978  if ( didNotMove && !this.isTransitioning ) {
979    this.layoutPosition();
980    return;
981  }
982
983  var transX = x - curX;
984  var transY = y - curY;
985  var transitionStyle = {};
986  transitionStyle.transform = this.getTranslate( transX, transY );
987
988  this.transition({
989    to: transitionStyle,
990    onTransitionEnd: {
991      transform: this.layoutPosition
992    },
993    isCleaning: true
994  });
995};
996
997proto.getTranslate = function( x, y ) {
998  // flip cooridinates if origin on right or bottom
999  var isOriginLeft = this.layout._getOption('originLeft');
1000  var isOriginTop = this.layout._getOption('originTop');
1001  x = isOriginLeft ? x : -x;
1002  y = isOriginTop ? y : -y;
1003  return 'translate3d(' + Math.round(x) + 'px, ' + Math.round(y) + 'px, 0)';
1004};
1005
1006// non transition + transform support
1007proto.goTo = function( x, y ) {
1008  this.setPosition( x, y );
1009  this.layoutPosition();
1010};
1011
1012proto.moveTo = proto._transitionTo;
1013
1014proto.setPosition = function( x, y ) {
1015  this.position.x = parseInt( x, 10 );
1016  this.position.y = parseInt( y, 10 );
1017};
1018
1019// ----- transition ----- //
1020
1021/**
1022 * @param {Object} style - CSS
1023 * @param {Function} onTransitionEnd
1024 */
1025
1026// non transition, just trigger callback
1027proto._nonTransition = function( args ) {
1028  this.css( args.to );
1029  if ( args.isCleaning ) {
1030    this._removeStyles( args.to );
1031  }
1032  for ( var prop in args.onTransitionEnd ) {
1033    args.onTransitionEnd[ prop ].call( this );
1034  }
1035};
1036
1037/**
1038 * proper transition
1039 * @param {Object} args - arguments
1040 *   @param {Object} to - style to transition to
1041 *   @param {Object} from - style to start transition from
1042 *   @param {Boolean} isCleaning - removes transition styles after transition
1043 *   @param {Function} onTransitionEnd - callback
1044 */
1045proto.transition = function( args ) {
1046  // redirect to nonTransition if no transition duration
1047  if ( !parseFloat( this.layout.options.transitionDuration ) ) {
1048    this._nonTransition( args );
1049    return;
1050  }
1051
1052  var _transition = this._transn;
1053  // keep track of onTransitionEnd callback by css property
1054  for ( var prop in args.onTransitionEnd ) {
1055    _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ];
1056  }
1057  // keep track of properties that are transitioning
1058  for ( prop in args.to ) {
1059    _transition.ingProperties[ prop ] = true;
1060    // keep track of properties to clean up when transition is done
1061    if ( args.isCleaning ) {
1062      _transition.clean[ prop ] = true;
1063    }
1064  }
1065
1066  // set from styles
1067  if ( args.from ) {
1068    this.css( args.from );
1069    // force redraw. http://blog.alexmaccaw.com/css-transitions
1070    var h = this.element.offsetHeight;
1071    // hack for JSHint to hush about unused var
1072    h = null;
1073  }
1074  // enable transition
1075  this.enableTransition( args.to );
1076  // set styles that are transitioning
1077  this.css( args.to );
1078
1079  this.isTransitioning = true;
1080
1081};
1082
1083// dash before all cap letters, including first for
1084// WebkitTransform => -webkit-transform
1085function toDashedAll( str ) {
1086  return str.replace( /([A-Z])/g, function( $1 ) {
1087    return '-' + $1.toLowerCase();
1088  });
1089}
1090
1091var transitionProps = 'opacity,' + toDashedAll( transformProperty );
1092
1093proto.enableTransition = function(/* style */) {
1094  // HACK changing transitionProperty during a transition
1095  // will cause transition to jump
1096  if ( this.isTransitioning ) {
1097    return;
1098  }
1099
1100  // make `transition: foo, bar, baz` from style object
1101  // HACK un-comment this when enableTransition can work
1102  // while a transition is happening
1103  // var transitionValues = [];
1104  // for ( var prop in style ) {
1105  //   // dash-ify camelCased properties like WebkitTransition
1106  //   prop = vendorProperties[ prop ] || prop;
1107  //   transitionValues.push( toDashedAll( prop ) );
1108  // }
1109  // munge number to millisecond, to match stagger
1110  var duration = this.layout.options.transitionDuration;
1111  duration = typeof duration == 'number' ? duration + 'ms' : duration;
1112  // enable transition styles
1113  this.css({
1114    transitionProperty: transitionProps,
1115    transitionDuration: duration,
1116    transitionDelay: this.staggerDelay || 0
1117  });
1118  // listen for transition end event
1119  this.element.addEventListener( transitionEndEvent, this, false );
1120};
1121
1122// ----- events ----- //
1123
1124proto.onwebkitTransitionEnd = function( event ) {
1125  this.ontransitionend( event );
1126};
1127
1128proto.onotransitionend = function( event ) {
1129  this.ontransitionend( event );
1130};
1131
1132// properties that I munge to make my life easier
1133var dashedVendorProperties = {
1134  '-webkit-transform': 'transform'
1135};
1136
1137proto.ontransitionend = function( event ) {
1138  // disregard bubbled events from children
1139  if ( event.target !== this.element ) {
1140    return;
1141  }
1142  var _transition = this._transn;
1143  // get property name of transitioned property, convert to prefix-free
1144  var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName;
1145
1146  // remove property that has completed transitioning
1147  delete _transition.ingProperties[ propertyName ];
1148  // check if any properties are still transitioning
1149  if ( isEmptyObj( _transition.ingProperties ) ) {
1150    // all properties have completed transitioning
1151    this.disableTransition();
1152  }
1153  // clean style
1154  if ( propertyName in _transition.clean ) {
1155    // clean up style
1156    this.element.style[ event.propertyName ] = '';
1157    delete _transition.clean[ propertyName ];
1158  }
1159  // trigger onTransitionEnd callback
1160  if ( propertyName in _transition.onEnd ) {
1161    var onTransitionEnd = _transition.onEnd[ propertyName ];
1162    onTransitionEnd.call( this );
1163    delete _transition.onEnd[ propertyName ];
1164  }
1165
1166  this.emitEvent( 'transitionEnd', [ this ] );
1167};
1168
1169proto.disableTransition = function() {
1170  this.removeTransitionStyles();
1171  this.element.removeEventListener( transitionEndEvent, this, false );
1172  this.isTransitioning = false;
1173};
1174
1175/**
1176 * removes style property from element
1177 * @param {Object} style
1178**/
1179proto._removeStyles = function( style ) {
1180  // clean up transition styles
1181  var cleanStyle = {};
1182  for ( var prop in style ) {
1183    cleanStyle[ prop ] = '';
1184  }
1185  this.css( cleanStyle );
1186};
1187
1188var cleanTransitionStyle = {
1189  transitionProperty: '',
1190  transitionDuration: '',
1191  transitionDelay: ''
1192};
1193
1194proto.removeTransitionStyles = function() {
1195  // remove transition
1196  this.css( cleanTransitionStyle );
1197};
1198
1199// ----- stagger ----- //
1200
1201proto.stagger = function( delay ) {
1202  delay = isNaN( delay ) ? 0 : delay;
1203  this.staggerDelay = delay + 'ms';
1204};
1205
1206// ----- show/hide/remove ----- //
1207
1208// remove element from DOM
1209proto.removeElem = function() {
1210  this.element.parentNode.removeChild( this.element );
1211  // remove display: none
1212  this.css({ display: '' });
1213  this.emitEvent( 'remove', [ this ] );
1214};
1215
1216proto.remove = function() {
1217  // just remove element if no transition support or no transition
1218  if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
1219    this.removeElem();
1220    return;
1221  }
1222
1223  // start transition
1224  this.once( 'transitionEnd', function() {
1225    this.removeElem();
1226  });
1227  this.hide();
1228};
1229
1230proto.reveal = function() {
1231  delete this.isHidden;
1232  // remove display: none
1233  this.css({ display: '' });
1234
1235  var options = this.layout.options;
1236
1237  var onTransitionEnd = {};
1238  var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
1239  onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd;
1240
1241  this.transition({
1242    from: options.hiddenStyle,
1243    to: options.visibleStyle,
1244    isCleaning: true,
1245    onTransitionEnd: onTransitionEnd
1246  });
1247};
1248
1249proto.onRevealTransitionEnd = function() {
1250  // check if still visible
1251  // during transition, item may have been hidden
1252  if ( !this.isHidden ) {
1253    this.emitEvent('reveal');
1254  }
1255};
1256
1257/**
1258 * get style property use for hide/reveal transition end
1259 * @param {String} styleProperty - hiddenStyle/visibleStyle
1260 * @returns {String}
1261 */
1262proto.getHideRevealTransitionEndProperty = function( styleProperty ) {
1263  var optionStyle = this.layout.options[ styleProperty ];
1264  // use opacity
1265  if ( optionStyle.opacity ) {
1266    return 'opacity';
1267  }
1268  // get first property
1269  for ( var prop in optionStyle ) {
1270    return prop;
1271  }
1272};
1273
1274proto.hide = function() {
1275  // set flag
1276  this.isHidden = true;
1277  // remove display: none
1278  this.css({ display: '' });
1279
1280  var options = this.layout.options;
1281
1282  var onTransitionEnd = {};
1283  var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
1284  onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd;
1285
1286  this.transition({
1287    from: options.visibleStyle,
1288    to: options.hiddenStyle,
1289    // keep hidden stuff hidden
1290    isCleaning: true,
1291    onTransitionEnd: onTransitionEnd
1292  });
1293};
1294
1295proto.onHideTransitionEnd = function() {
1296  // check if still hidden
1297  // during transition, item may have been un-hidden
1298  if ( this.isHidden ) {
1299    this.css({ display: 'none' });
1300    this.emitEvent('hide');
1301  }
1302};
1303
1304proto.destroy = function() {
1305  this.css({
1306    position: '',
1307    left: '',
1308    right: '',
1309    top: '',
1310    bottom: '',
1311    transition: '',
1312    transform: ''
1313  });
1314};
1315
1316return Item;
1317
1318}));
1319
1320/*!
1321 * Outlayer v2.1.0
1322 * the brains and guts of a layout library
1323 * MIT license
1324 */
1325
1326( function( window, factory ) {
1327  'use strict';
1328  // universal module definition
1329  /* jshint strict: false */ /* globals define, module, require */
1330  if ( typeof define == 'function' && define.amd ) {
1331    // AMD - RequireJS
1332    define( 'outlayer/outlayer',[
1333        'ev-emitter/ev-emitter',
1334        'get-size/get-size',
1335        'fizzy-ui-utils/utils',
1336        './item'
1337      ],
1338      function( EvEmitter, getSize, utils, Item ) {
1339        return factory( window, EvEmitter, getSize, utils, Item);
1340      }
1341    );
1342  } else if ( typeof module == 'object' && module.exports ) {
1343    // CommonJS - Browserify, Webpack
1344    module.exports = factory(
1345      window,
1346      require('ev-emitter'),
1347      require('get-size'),
1348      require('fizzy-ui-utils'),
1349      require('./item')
1350    );
1351  } else {
1352    // browser global
1353    window.Outlayer = factory(
1354      window,
1355      window.EvEmitter,
1356      window.getSize,
1357      window.fizzyUIUtils,
1358      window.Outlayer.Item
1359    );
1360  }
1361
1362}( window, function factory( window, EvEmitter, getSize, utils, Item ) {
1363'use strict';
1364
1365// ----- vars ----- //
1366
1367var console = window.console;
1368var jQuery = window.jQuery;
1369var noop = function() {};
1370
1371// -------------------------- Outlayer -------------------------- //
1372
1373// globally unique identifiers
1374var GUID = 0;
vendor: 18,646 bytes, lines 1375-2132
1375// internal store of all Outlayer intances
1376var instances = {};
1377
1378
1379/**
1380 * @param {Element, String} element
1381 * @param {Object} options
1382 * @constructor
1383 */
1384function Outlayer( element, options ) {
1385  var queryElement = utils.getQueryElement( element );
1386  if ( !queryElement ) {
1387    if ( console ) {
1388      console.error( 'Bad element for ' + this.constructor.namespace +
1389        ': ' + ( queryElement || element ) );
1390    }
1391    return;
1392  }
1393  this.element = queryElement;
1394  // add jQuery
1395  if ( jQuery ) {
1396    this.$element = jQuery( this.element );
1397  }
1398
1399  // options
1400  this.options = utils.extend( {}, this.constructor.defaults );
1401  this.option( options );
1402
1403  // add id for Outlayer.getFromElement
1404  var id = ++GUID;
1405  this.element.outlayerGUID = id; // expando
1406  instances[ id ] = this; // associate via id
1407
1408  // kick it off
1409  this._create();
1410
1411  var isInitLayout = this._getOption('initLayout');
1412  if ( isInitLayout ) {
1413    this.layout();
1414  }
1415}
1416
1417// settings are for internal use only
1418Outlayer.namespace = 'outlayer';
1419Outlayer.Item = Item;
1420
1421// default options
1422Outlayer.defaults = {
1423  containerStyle: {
1424    position: 'relative'
1425  },
1426  initLayout: true,
1427  originLeft: true,
1428  originTop: true,
1429  resize: true,
1430  resizeContainer: true,
1431  // item options
1432  transitionDuration: '0.4s',
1433  hiddenStyle: {
1434    opacity: 0,
1435    transform: 'scale(0.001)'
1436  },
1437  visibleStyle: {
1438    opacity: 1,
1439    transform: 'scale(1)'
1440  }
1441};
1442
1443var proto = Outlayer.prototype;
1444// inherit EvEmitter
1445utils.extend( proto, EvEmitter.prototype );
1446
1447/**
1448 * set options
1449 * @param {Object} opts
1450 */
1451proto.option = function( opts ) {
1452  utils.extend( this.options, opts );
1453};
1454
1455/**
1456 * get backwards compatible option value, check old name
1457 */
1458proto._getOption = function( option ) {
1459  var oldOption = this.constructor.compatOptions[ option ];
1460  return oldOption && this.options[ oldOption ] !== undefined ?
1461    this.options[ oldOption ] : this.options[ option ];
1462};
1463
1464Outlayer.compatOptions = {
1465  // currentName: oldName
1466  initLayout: 'isInitLayout',
1467  horizontal: 'isHorizontal',
1468  layoutInstant: 'isLayoutInstant',
1469  originLeft: 'isOriginLeft',
1470  originTop: 'isOriginTop',
1471  resize: 'isResizeBound',
1472  resizeContainer: 'isResizingContainer'
1473};
1474
1475proto._create = function() {
1476  // get items from children
1477  this.reloadItems();
1478  // elements that affect layout, but are not laid out
1479  this.stamps = [];
1480  this.stamp( this.options.stamp );
1481  // set container style
1482  utils.extend( this.element.style, this.options.containerStyle );
1483
1484  // bind resize method
1485  var canBindResize = this._getOption('resize');
1486  if ( canBindResize ) {
1487    this.bindResize();
1488  }
1489};
1490
1491// goes through all children again and gets bricks in proper order
1492proto.reloadItems = function() {
1493  // collection of item elements
1494  this.items = this._itemize( this.element.children );
1495};
1496
1497
1498/**
1499 * turn elements into Outlayer.Items to be used in layout
1500 * @param {Array or NodeList or HTMLElement} elems
1501 * @returns {Array} items - collection of new Outlayer Items
1502 */
1503proto._itemize = function( elems ) {
1504
1505  var itemElems = this._filterFindItemElements( elems );
1506  var Item = this.constructor.Item;
1507
1508  // create new Outlayer Items for collection
1509  var items = [];
1510  for ( var i=0; i < itemElems.length; i++ ) {
1511    var elem = itemElems[i];
1512    var item = new Item( elem, this );
1513    items.push( item );
1514  }
1515
1516  return items;
1517};
1518
1519/**
1520 * get item elements to be used in layout
1521 * @param {Array or NodeList or HTMLElement} elems
1522 * @returns {Array} items - item elements
1523 */
1524proto._filterFindItemElements = function( elems ) {
1525  return utils.filterFindElements( elems, this.options.itemSelector );
1526};
1527
1528/**
1529 * getter method for getting item elements
1530 * @returns {Array} elems - collection of item elements
1531 */
1532proto.getItemElements = function() {
1533  return this.items.map( function( item ) {
1534    return item.element;
1535  });
1536};
1537
1538// ----- init & layout ----- //
1539
1540/**
1541 * lays out all items
1542 */
1543proto.layout = function() {
1544  this._resetLayout();
1545  this._manageStamps();
1546
1547  // don't animate first layout
1548  var layoutInstant = this._getOption('layoutInstant');
1549  var isInstant = layoutInstant !== undefined ?
1550    layoutInstant : !this._isLayoutInited;
1551  this.layoutItems( this.items, isInstant );
1552
1553  // flag for initalized
1554  this._isLayoutInited = true;
1555};
1556
1557// _init is alias for layout
1558proto._init = proto.layout;
1559
1560/**
1561 * logic before any new layout
1562 */
1563proto._resetLayout = function() {
1564  this.getSize();
1565};
1566
1567
1568proto.getSize = function() {
1569  this.size = getSize( this.element );
1570};
1571
1572/**
1573 * get measurement from option, for columnWidth, rowHeight, gutter
1574 * if option is String -> get element from selector string, & get size of element
1575 * if option is Element -> get size of element
1576 * else use option as a number
1577 *
1578 * @param {String} measurement
1579 * @param {String} size - width or height
1580 * @private
1581 */
1582proto._getMeasurement = function( measurement, size ) {
1583  var option = this.options[ measurement ];
1584  var elem;
1585  if ( !option ) {
1586    // default to 0
1587    this[ measurement ] = 0;
1588  } else {
1589    // use option as an element
1590    if ( typeof option == 'string' ) {
1591      elem = this.element.querySelector( option );
1592    } else if ( option instanceof HTMLElement ) {
1593      elem = option;
1594    }
1595    // use size of element, if element
1596    this[ measurement ] = elem ? getSize( elem )[ size ] : option;
1597  }
1598};
1599
1600/**
1601 * layout a collection of item elements
1602 * @api public
1603 */
1604proto.layoutItems = function( items, isInstant ) {
1605  items = this._getItemsForLayout( items );
1606
1607  this._layoutItems( items, isInstant );
1608
1609  this._postLayout();
1610};
1611
1612/**
1613 * get the items to be laid out
1614 * you may want to skip over some items
1615 * @param {Array} items
1616 * @returns {Array} items
1617 */
1618proto._getItemsForLayout = function( items ) {
1619  return items.filter( function( item ) {
1620    return !item.isIgnored;
1621  });
1622};
1623
1624/**
1625 * layout items
1626 * @param {Array} items
1627 * @param {Boolean} isInstant
1628 */
1629proto._layoutItems = function( items, isInstant ) {
1630  this._emitCompleteOnItems( 'layout', items );
1631
1632  if ( !items || !items.length ) {
1633    // no items, emit event with empty array
1634    return;
1635  }
1636
1637  var queue = [];
1638
1639  items.forEach( function( item ) {
1640    // get x/y object from method
1641    var position = this._getItemLayoutPosition( item );
1642    // enqueue
1643    position.item = item;
1644    position.isInstant = isInstant || item.isLayoutInstant;
1645    queue.push( position );
1646  }, this );
1647
1648  this._processLayoutQueue( queue );
1649};
1650
1651/**
1652 * get item layout position
1653 * @param {Outlayer.Item} item
1654 * @returns {Object} x and y position
1655 */
1656proto._getItemLayoutPosition = function( /* item */ ) {
1657  return {
1658    x: 0,
1659    y: 0
1660  };
1661};
1662
1663/**
1664 * iterate over array and position each item
1665 * Reason being - separating this logic prevents 'layout invalidation'
1666 * thx @paul_irish
1667 * @param {Array} queue
1668 */
1669proto._processLayoutQueue = function( queue ) {
1670  this.updateStagger();
1671  queue.forEach( function( obj, i ) {
1672    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i );
1673  }, this );
1674};
1675
1676// set stagger from option in milliseconds number
1677proto.updateStagger = function() {
1678  var stagger = this.options.stagger;
1679  if ( stagger === null || stagger === undefined ) {
1680    this.stagger = 0;
1681    return;
1682  }
1683  this.stagger = getMilliseconds( stagger );
1684  return this.stagger;
1685};
1686
1687/**
1688 * Sets position of item in DOM
1689 * @param {Outlayer.Item} item
1690 * @param {Number} x - horizontal position
1691 * @param {Number} y - vertical position
1692 * @param {Boolean} isInstant - disables transitions
1693 */
1694proto._positionItem = function( item, x, y, isInstant, i ) {
1695  if ( isInstant ) {
1696    // if not transition, just set CSS
1697    item.goTo( x, y );
1698  } else {
1699    item.stagger( i * this.stagger );
1700    item.moveTo( x, y );
1701  }
1702};
1703
1704/**
1705 * Any logic you want to do after each layout,
1706 * i.e. size the container
1707 */
1708proto._postLayout = function() {
1709  this.resizeContainer();
1710};
1711
1712proto.resizeContainer = function() {
1713  var isResizingContainer = this._getOption('resizeContainer');
1714  if ( !isResizingContainer ) {
1715    return;
1716  }
1717  var size = this._getContainerSize();
1718  if ( size ) {
1719    this._setContainerMeasure( size.width, true );
1720    this._setContainerMeasure( size.height, false );
1721  }
1722};
1723
1724/**
1725 * Sets width or height of container if returned
1726 * @returns {Object} size
1727 *   @param {Number} width
1728 *   @param {Number} height
1729 */
1730proto._getContainerSize = noop;
1731
1732/**
1733 * @param {Number} measure - size of width or height
1734 * @param {Boolean} isWidth
1735 */
1736proto._setContainerMeasure = function( measure, isWidth ) {
1737  if ( measure === undefined ) {
1738    return;
1739  }
1740
1741  var elemSize = this.size;
1742  // add padding and border width if border box
1743  if ( elemSize.isBorderBox ) {
1744    measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
1745      elemSize.borderLeftWidth + elemSize.borderRightWidth :
1746      elemSize.paddingBottom + elemSize.paddingTop +
1747      elemSize.borderTopWidth + elemSize.borderBottomWidth;
1748  }
1749
1750  measure = Math.max( measure, 0 );
1751  this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px';
1752};
1753
1754/**
1755 * emit eventComplete on a collection of items events
1756 * @param {String} eventName
1757 * @param {Array} items - Outlayer.Items
1758 */
1759proto._emitCompleteOnItems = function( eventName, items ) {
1760  var _this = this;
1761  function onComplete() {
1762    _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
1763  }
1764
1765  var count = items.length;
1766  if ( !items || !count ) {
1767    onComplete();
1768    return;
1769  }
1770
1771  var doneCount = 0;
1772  function tick() {
1773    doneCount++;
1774    if ( doneCount == count ) {
1775      onComplete();
1776    }
1777  }
1778
1779  // bind callback
1780  items.forEach( function( item ) {
1781    item.once( eventName, tick );
1782  });
1783};
1784
1785/**
1786 * emits events via EvEmitter and jQuery events
1787 * @param {String} type - name of event
1788 * @param {Event} event - original event
1789 * @param {Array} args - extra arguments
1790 */
1791proto.dispatchEvent = function( type, event, args ) {
1792  // add original event to arguments
1793  var emitArgs = event ? [ event ].concat( args ) : args;
1794  this.emitEvent( type, emitArgs );
1795
1796  if ( jQuery ) {
1797    // set this.$element
1798    this.$element = this.$element || jQuery( this.element );
1799    if ( event ) {
1800      // create jQuery event
1801      var $event = jQuery.Event( event );
1802      $event.type = type;
1803      this.$element.trigger( $event, args );
1804    } else {
1805      // just trigger with type if no event available
1806      this.$element.trigger( type, args );
1807    }
1808  }
1809};
1810
1811// -------------------------- ignore & stamps -------------------------- //
1812
1813
1814/**
1815 * keep item in collection, but do not lay it out
1816 * ignored items do not get skipped in layout
1817 * @param {Element} elem
1818 */
1819proto.ignore = function( elem ) {
1820  var item = this.getItem( elem );
1821  if ( item ) {
1822    item.isIgnored = true;
1823  }
1824};
1825
1826/**
1827 * return item to layout collection
1828 * @param {Element} elem
1829 */
1830proto.unignore = function( elem ) {
1831  var item = this.getItem( elem );
1832  if ( item ) {
1833    delete item.isIgnored;
1834  }
1835};
1836
1837/**
1838 * adds elements to stamps
1839 * @param {NodeList, Array, Element, or String} elems
1840 */
1841proto.stamp = function( elems ) {
1842  elems = this._find( elems );
1843  if ( !elems ) {
1844    return;
1845  }
1846
1847  this.stamps = this.stamps.concat( elems );
1848  // ignore
1849  elems.forEach( this.ignore, this );
1850};
1851
1852/**
1853 * removes elements to stamps
1854 * @param {NodeList, Array, or Element} elems
1855 */
1856proto.unstamp = function( elems ) {
1857  elems = this._find( elems );
1858  if ( !elems ){
1859    return;
1860  }
1861
1862  elems.forEach( function( elem ) {
1863    // filter out removed stamp elements
1864    utils.removeFrom( this.stamps, elem );
1865    this.unignore( elem );
1866  }, this );
1867};
1868
1869/**
1870 * finds child elements
1871 * @param {NodeList, Array, Element, or String} elems
1872 * @returns {Array} elems
1873 */
1874proto._find = function( elems ) {
1875  if ( !elems ) {
1876    return;
1877  }
1878  // if string, use argument as selector string
1879  if ( typeof elems == 'string' ) {
1880    elems = this.element.querySelectorAll( elems );
1881  }
1882  elems = utils.makeArray( elems );
1883  return elems;
1884};
1885
1886proto._manageStamps = function() {
1887  if ( !this.stamps || !this.stamps.length ) {
1888    return;
1889  }
1890
1891  this._getBoundingRect();
1892
1893  this.stamps.forEach( this._manageStamp, this );
1894};
1895
1896// update boundingLeft / Top
1897proto._getBoundingRect = function() {
1898  // get bounding rect for container element
1899  var boundingRect = this.element.getBoundingClientRect();
1900  var size = this.size;
1901  this._boundingRect = {
1902    left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
1903    top: boundingRect.top + size.paddingTop + size.borderTopWidth,
1904    right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
1905    bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
1906  };
1907};
1908
1909/**
1910 * @param {Element} stamp
1911**/
1912proto._manageStamp = noop;
1913
1914/**
1915 * get x/y position of element relative to container element
1916 * @param {Element} elem
1917 * @returns {Object} offset - has left, top, right, bottom
1918 */
1919proto._getElementOffset = function( elem ) {
1920  var boundingRect = elem.getBoundingClientRect();
1921  var thisRect = this._boundingRect;
1922  var size = getSize( elem );
1923  var offset = {
1924    left: boundingRect.left - thisRect.left - size.marginLeft,
1925    top: boundingRect.top - thisRect.top - size.marginTop,
1926    right: thisRect.right - boundingRect.right - size.marginRight,
1927    bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
1928  };
1929  return offset;
1930};
1931
1932// -------------------------- resize -------------------------- //
1933
1934// enable event handlers for listeners
1935// i.e. resize -> onresize
1936proto.handleEvent = utils.handleEvent;
1937
1938/**
1939 * Bind layout to window resizing
1940 */
1941proto.bindResize = function() {
1942  window.addEventListener( 'resize', this );
1943  this.isResizeBound = true;
1944};
1945
1946/**
1947 * Unbind layout to window resizing
1948 */
1949proto.unbindResize = function() {
1950  window.removeEventListener( 'resize', this );
1951  this.isResizeBound = false;
1952};
1953
1954proto.onresize = function() {
1955  this.resize();
1956};
1957
1958utils.debounceMethod( Outlayer, 'onresize', 100 );
1959
1960proto.resize = function() {
1961  // don't trigger if size did not change
1962  // or if resize was unbound. See #9
1963  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
1964    return;
1965  }
1966
1967  this.layout();
1968};
1969
1970/**
1971 * check if layout is needed post layout
1972 * @returns Boolean
1973 */
1974proto.needsResizeLayout = function() {
1975  var size = getSize( this.element );
1976  // check that this.size and size are there
1977  // IE8 triggers resize on body size change, so they might not be
1978  var hasSizes = this.size && size;
1979  return hasSizes && size.innerWidth !== this.size.innerWidth;
1980};
1981
1982// -------------------------- methods -------------------------- //
1983
1984/**
1985 * add items to Outlayer instance
1986 * @param {Array or NodeList or Element} elems
1987 * @returns {Array} items - Outlayer.Items
1988**/
1989proto.addItems = function( elems ) {
1990  var items = this._itemize( elems );
1991  // add items to collection
1992  if ( items.length ) {
1993    this.items = this.items.concat( items );
1994  }
1995  return items;
1996};
1997
1998/**
1999 * Layout newly-appended item elements
2000 * @param {Array or NodeList or Element} elems
2001 */
2002proto.appended = function( elems ) {
2003  var items = this.addItems( elems );
2004  if ( !items.length ) {
2005    return;
2006  }
2007  // layout and reveal just the new items
2008  this.layoutItems( items, true );
2009  this.reveal( items );
2010};
2011
2012/**
2013 * Layout prepended elements
2014 * @param {Array or NodeList or Element} elems
2015 */
2016proto.prepended = function( elems ) {
2017  var items = this._itemize( elems );
2018  if ( !items.length ) {
2019    return;
2020  }
2021  // add items to beginning of collection
2022  var previousItems = this.items.slice(0);
2023  this.items = items.concat( previousItems );
2024  // start new layout
2025  this._resetLayout();
2026  this._manageStamps();
2027  // layout new stuff without transition
2028  this.layoutItems( items, true );
2029  this.reveal( items );
2030  // layout previous items
2031  this.layoutItems( previousItems );
2032};
2033
2034/**
2035 * reveal a collection of items
2036 * @param {Array of Outlayer.Items} items
2037 */
2038proto.reveal = function( items ) {
2039  this._emitCompleteOnItems( 'reveal', items );
2040  if ( !items || !items.length ) {
2041    return;
2042  }
2043  var stagger = this.updateStagger();
2044  items.forEach( function( item, i ) {
2045    item.stagger( i * stagger );
2046    item.reveal();
2047  });
2048};
2049
2050/**
2051 * hide a collection of items
2052 * @param {Array of Outlayer.Items} items
2053 */
2054proto.hide = function( items ) {
2055  this._emitCompleteOnItems( 'hide', items );
2056  if ( !items || !items.length ) {
2057    return;
2058  }
2059  var stagger = this.updateStagger();
2060  items.forEach( function( item, i ) {
2061    item.stagger( i * stagger );
2062    item.hide();
2063  });
2064};
2065
2066/**
2067 * reveal item elements
2068 * @param {Array}, {Element}, {NodeList} items
2069 */
2070proto.revealItemElements = function( elems ) {
2071  var items = this.getItems( elems );
2072  this.reveal( items );
2073};
2074
2075/**
2076 * hide item elements
2077 * @param {Array}, {Element}, {NodeList} items
2078 */
2079proto.hideItemElements = function( elems ) {
2080  var items = this.getItems( elems );
2081  this.hide( items );
2082};
2083
2084/**
2085 * get Outlayer.Item, given an Element
2086 * @param {Element} elem
2087 * @param {Function} callback
2088 * @returns {Outlayer.Item} item
2089 */
2090proto.getItem = function( elem ) {
2091  // loop through items to get the one that matches
2092  for ( var i=0; i < this.items.length; i++ ) {
2093    var item = this.items[i];
2094    if ( item.element == elem ) {
2095      // return item
2096      return item;
2097    }
2098  }
2099};
2100
2101/**
2102 * get collection of Outlayer.Items, given Elements
2103 * @param {Array} elems
2104 * @returns {Array} items - Outlayer.Items
2105 */
2106proto.getItems = function( elems ) {
2107  elems = utils.makeArray( elems );
2108  var items = [];
2109  elems.forEach( function( elem ) {
2110    var item = this.getItem( elem );
2111    if ( item ) {
2112      items.push( item );
2113    }
2114  }, this );
2115
2116  return items;
2117};
2118
2119/**
2120 * remove element(s) from instance and DOM
2121 * @param {Array or NodeList or Element} elems
2122 */
2123proto.remove = function( elems ) {
2124  var removeItems = this.getItems( elems );
2125
2126  this._emitCompleteOnItems( 'remove', removeItems );
2127
2128  // bail if no items to remove
2129  if ( !removeItems || !removeItems.length ) {
2130    return;
2131  }
2132
vendor: 26,632 bytes, lines 2133-3122
2133  removeItems.forEach( function( item ) {
2134    item.remove();
2135    // remove item from collection
2136    utils.removeFrom( this.items, item );
2137  }, this );
2138};
2139
2140// ----- destroy ----- //
2141
2142// remove and disable Outlayer instance
2143proto.destroy = function() {
2144  // clean up dynamic styles
2145  var style = this.element.style;
2146  style.height = '';
2147  style.position = '';
2148  style.width = '';
2149  // destroy items
2150  this.items.forEach( function( item ) {
2151    item.destroy();
2152  });
2153
2154  this.unbindResize();
2155
2156  var id = this.element.outlayerGUID;
2157  delete instances[ id ]; // remove reference to instance by id
2158  delete this.element.outlayerGUID;
2159  // remove data for jQuery
2160  if ( jQuery ) {
2161    jQuery.removeData( this.element, this.constructor.namespace );
2162  }
2163
2164};
2165
2166// -------------------------- data -------------------------- //
2167
2168/**
2169 * get Outlayer instance from element
2170 * @param {Element} elem
2171 * @returns {Outlayer}
2172 */
2173Outlayer.data = function( elem ) {
2174  elem = utils.getQueryElement( elem );
2175  var id = elem && elem.outlayerGUID;
2176  return id && instances[ id ];
2177};
2178
2179
2180// -------------------------- create Outlayer class -------------------------- //
2181
2182/**
2183 * create a layout class
2184 * @param {String} namespace
2185 */
2186Outlayer.create = function( namespace, options ) {
2187  // sub-class Outlayer
2188  var Layout = subclass( Outlayer );
2189  // apply new options and compatOptions
2190  Layout.defaults = utils.extend( {}, Outlayer.defaults );
2191  utils.extend( Layout.defaults, options );
2192  Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions  );
2193
2194  Layout.namespace = namespace;
2195
2196  Layout.data = Outlayer.data;
2197
2198  // sub-class Item
2199  Layout.Item = subclass( Item );
2200
2201  // -------------------------- declarative -------------------------- //
2202
2203  utils.htmlInit( Layout, namespace );
2204
2205  // -------------------------- jQuery bridge -------------------------- //
2206
2207  // make into jQuery plugin
2208  if ( jQuery && jQuery.bridget ) {
2209    jQuery.bridget( namespace, Layout );
2210  }
2211
2212  return Layout;
2213};
2214
2215function subclass( Parent ) {
2216  function SubClass() {
2217    Parent.apply( this, arguments );
2218  }
2219
2220  SubClass.prototype = Object.create( Parent.prototype );
2221  SubClass.prototype.constructor = SubClass;
2222
2223  return SubClass;
2224}
2225
2226// ----- helpers ----- //
2227
2228// how many milliseconds are in each unit
2229var msUnits = {
2230  ms: 1,
2231  s: 1000
2232};
2233
2234// munge time-like parameter into millisecond number
2235// '0.4s' -> 40
2236function getMilliseconds( time ) {
2237  if ( typeof time == 'number' ) {
2238    return time;
2239  }
2240  var matches = time.match( /(^\d*\.?\d*)(\w*)/ );
2241  var num = matches && matches[1];
2242  var unit = matches && matches[2];
2243  if ( !num.length ) {
2244    return 0;
2245  }
2246  num = parseFloat( num );
2247  var mult = msUnits[ unit ] || 1;
2248  return num * mult;
2249}
2250
2251// ----- fin ----- //
2252
2253// back in global
2254Outlayer.Item = Item;
2255
2256return Outlayer;
2257
2258}));
2259
2260/**
2261 * Isotope Item
2262**/
2263
2264( function( window, factory ) {
2265  // universal module definition
2266  /* jshint strict: false */ /*globals define, module, require */
2267  if ( typeof define == 'function' && define.amd ) {
2268    // AMD
2269    define( 'isotope/item',[
2270        'outlayer/outlayer'
2271      ],
2272      factory );
2273  } else if ( typeof module == 'object' && module.exports ) {
2274    // CommonJS
2275    module.exports = factory(
2276      require('outlayer')
2277    );
2278  } else {
2279    // browser global
2280    window.Isotope = window.Isotope || {};
2281    window.Isotope.Item = factory(
2282      window.Outlayer
2283    );
2284  }
2285
2286}( window, function factory( Outlayer ) {
2287'use strict';
2288
2289// -------------------------- Item -------------------------- //
2290
2291// sub-class Outlayer Item
2292function Item() {
2293  Outlayer.Item.apply( this, arguments );
2294}
2295
2296var proto = Item.prototype = Object.create( Outlayer.Item.prototype );
2297
2298var _create = proto._create;
2299proto._create = function() {
2300  // assign id, used for original-order sorting
2301  this.id = this.layout.itemGUID++;
2302  _create.call( this );
2303  this.sortData = {};
2304};
2305
2306proto.updateSortData = function() {
2307  if ( this.isIgnored ) {
2308    return;
2309  }
2310  // default sorters
2311  this.sortData.id = this.id;
2312  // for backward compatibility
2313  this.sortData['original-order'] = this.id;
2314  this.sortData.random = Math.random();
2315  // go thru getSortData obj and apply the sorters
2316  var getSortData = this.layout.options.getSortData;
2317  var sorters = this.layout._sorters;
2318  for ( var key in getSortData ) {
2319    var sorter = sorters[ key ];
2320    this.sortData[ key ] = sorter( this.element, this );
2321  }
2322};
2323
2324var _destroy = proto.destroy;
2325proto.destroy = function() {
2326  // call super
2327  _destroy.apply( this, arguments );
2328  // reset display, #741
2329  this.css({
2330    display: ''
2331  });
2332};
2333
2334return Item;
2335
2336}));
2337
2338/**
2339 * Isotope LayoutMode
2340 */
2341
2342( function( window, factory ) {
2343  // universal module definition
2344  /* jshint strict: false */ /*globals define, module, require */
2345  if ( typeof define == 'function' && define.amd ) {
2346    // AMD
2347    define( 'isotope/layout-mode',[
2348        'get-size/get-size',
2349        'outlayer/outlayer'
2350      ],
2351      factory );
2352  } else if ( typeof module == 'object' && module.exports ) {
2353    // CommonJS
2354    module.exports = factory(
2355      require('get-size'),
2356      require('outlayer')
2357    );
2358  } else {
2359    // browser global
2360    window.Isotope = window.Isotope || {};
2361    window.Isotope.LayoutMode = factory(
2362      window.getSize,
2363      window.Outlayer
2364    );
2365  }
2366
2367}( window, function factory( getSize, Outlayer ) {
2368  'use strict';
2369
2370  // layout mode class
2371  function LayoutMode( isotope ) {
2372    this.isotope = isotope;
2373    // link properties
2374    if ( isotope ) {
2375      this.options = isotope.options[ this.namespace ];
2376      this.element = isotope.element;
2377      this.items = isotope.filteredItems;
2378      this.size = isotope.size;
2379    }
2380  }
2381
2382  var proto = LayoutMode.prototype;
2383
2384  /**
2385   * some methods should just defer to default Outlayer method
2386   * and reference the Isotope instance as `this`
2387  **/
2388  var facadeMethods = [
2389    '_resetLayout',
2390    '_getItemLayoutPosition',
2391    '_manageStamp',
2392    '_getContainerSize',
2393    '_getElementOffset',
2394    'needsResizeLayout',
2395    '_getOption'
2396  ];
2397
2398  facadeMethods.forEach( function( methodName ) {
2399    proto[ methodName ] = function() {
2400      return Outlayer.prototype[ methodName ].apply( this.isotope, arguments );
2401    };
2402  });
2403
2404  // -----  ----- //
2405
2406  // for horizontal layout modes, check vertical size
2407  proto.needsVerticalResizeLayout = function() {
2408    // don't trigger if size did not change
2409    var size = getSize( this.isotope.element );
2410    // check that this.size and size are there
2411    // IE8 triggers resize on body size change, so they might not be
2412    var hasSizes = this.isotope.size && size;
2413    return hasSizes && size.innerHeight != this.isotope.size.innerHeight;
2414  };
2415
2416  // ----- measurements ----- //
2417
2418  proto._getMeasurement = function() {
2419    this.isotope._getMeasurement.apply( this, arguments );
2420  };
2421
2422  proto.getColumnWidth = function() {
2423    this.getSegmentSize( 'column', 'Width' );
2424  };
2425
2426  proto.getRowHeight = function() {
2427    this.getSegmentSize( 'row', 'Height' );
2428  };
2429
2430  /**
2431   * get columnWidth or rowHeight
2432   * segment: 'column' or 'row'
2433   * size 'Width' or 'Height'
2434  **/
2435  proto.getSegmentSize = function( segment, size ) {
2436    var segmentName = segment + size;
2437    var outerSize = 'outer' + size;
2438    // columnWidth / outerWidth // rowHeight / outerHeight
2439    this._getMeasurement( segmentName, outerSize );
2440    // got rowHeight or columnWidth, we can chill
2441    if ( this[ segmentName ] ) {
2442      return;
2443    }
2444    // fall back to item of first element
2445    var firstItemSize = this.getFirstItemSize();
2446    this[ segmentName ] = firstItemSize && firstItemSize[ outerSize ] ||
2447      // or size of container
2448      this.isotope.size[ 'inner' + size ];
2449  };
2450
2451  proto.getFirstItemSize = function() {
2452    var firstItem = this.isotope.filteredItems[0];
2453    return firstItem && firstItem.element && getSize( firstItem.element );
2454  };
2455
2456  // ----- methods that should reference isotope ----- //
2457
2458  proto.layout = function() {
2459    this.isotope.layout.apply( this.isotope, arguments );
2460  };
2461
2462  proto.getSize = function() {
2463    this.isotope.getSize();
2464    this.size = this.isotope.size;
2465  };
2466
2467  // -------------------------- create -------------------------- //
2468
2469  LayoutMode.modes = {};
2470
2471  LayoutMode.create = function( namespace, options ) {
2472
2473    function Mode() {
2474      LayoutMode.apply( this, arguments );
2475    }
2476
2477    Mode.prototype = Object.create( proto );
2478    Mode.prototype.constructor = Mode;
2479
2480    // default options
2481    if ( options ) {
2482      Mode.options = options;
2483    }
2484
2485    Mode.prototype.namespace = namespace;
2486    // register in Isotope
2487    LayoutMode.modes[ namespace ] = Mode;
2488
2489    return Mode;
2490  };
2491
2492  return LayoutMode;
2493
2494}));
2495
2496/*!
2497 * Masonry v4.1.0
2498 * Cascading grid layout library
2499 * http://masonry.desandro.com
2500 * MIT License
2501 * by David DeSandro
2502 */
2503
2504( function( window, factory ) {
2505  // universal module definition
2506  /* jshint strict: false */ /*globals define, module, require */
2507  if ( typeof define == 'function' && define.amd ) {
2508    // AMD
2509    define( 'masonry/masonry',[
2510        'outlayer/outlayer',
2511        'get-size/get-size'
2512      ],
2513      factory );
2514  } else if ( typeof module == 'object' && module.exports ) {
2515    // CommonJS
2516    module.exports = factory(
2517      require('outlayer'),
2518      require('get-size')
2519    );
2520  } else {
2521    // browser global
2522    window.Masonry = factory(
2523      window.Outlayer,
2524      window.getSize
2525    );
2526  }
2527
2528}( window, function factory( Outlayer, getSize ) {
2529
2530
2531
2532// -------------------------- masonryDefinition -------------------------- //
2533
2534  // create an Outlayer layout class
2535  var Masonry = Outlayer.create('masonry');
2536  // isFitWidth -> fitWidth
2537  Masonry.compatOptions.fitWidth = 'isFitWidth';
2538
2539  Masonry.prototype._resetLayout = function() {
2540    this.getSize();
2541    this._getMeasurement( 'columnWidth', 'outerWidth' );
2542    this._getMeasurement( 'gutter', 'outerWidth' );
2543    this.measureColumns();
2544
2545    // reset column Y
2546    this.colYs = [];
2547    for ( var i=0; i < this.cols; i++ ) {
2548      this.colYs.push( 0 );
2549    }
2550
2551    this.maxY = 0;
2552  };
2553
2554  Masonry.prototype.measureColumns = function() {
2555    this.getContainerWidth();
2556    // if columnWidth is 0, default to outerWidth of first item
2557    if ( !this.columnWidth ) {
2558      var firstItem = this.items[0];
2559      var firstItemElem = firstItem && firstItem.element;
2560      // columnWidth fall back to item of first element
2561      this.columnWidth = firstItemElem && getSize( firstItemElem ).outerWidth ||
2562        // if first elem has no width, default to size of container
2563        this.containerWidth;
2564    }
2565
2566    var columnWidth = this.columnWidth += this.gutter;
2567
2568    // calculate columns
2569    var containerWidth = this.containerWidth + this.gutter;
2570    var cols = containerWidth / columnWidth;
2571    // fix rounding errors, typically with gutters
2572    var excess = columnWidth - containerWidth % columnWidth;
2573    // if overshoot is less than a pixel, round up, otherwise floor it
2574    var mathMethod = excess && excess < 1 ? 'round' : 'floor';
2575    cols = Math[ mathMethod ]( cols );
2576    this.cols = Math.max( cols, 1 );
2577  };
2578
2579  Masonry.prototype.getContainerWidth = function() {
2580    // container is parent if fit width
2581    var isFitWidth = this._getOption('fitWidth');
2582    var container = isFitWidth ? this.element.parentNode : this.element;
2583    // check that this.size and size are there
2584    // IE8 triggers resize on body size change, so they might not be
2585    var size = getSize( container );
2586    this.containerWidth = size && size.innerWidth;
2587  };
2588
2589  Masonry.prototype._getItemLayoutPosition = function( item ) {
2590    item.getSize();
2591    // how many columns does this brick span
2592    var remainder = item.size.outerWidth % this.columnWidth;
2593    var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
2594    // round if off by 1 pixel, otherwise use ceil
2595    var colSpan = Math[ mathMethod ]( item.size.outerWidth / this.columnWidth );
2596    colSpan = Math.min( colSpan, this.cols );
2597
2598    var colGroup = this._getColGroup( colSpan );
2599    // get the minimum Y value from the columns
2600    var minimumY = Math.min.apply( Math, colGroup );
2601    var shortColIndex = colGroup.indexOf( minimumY );
2602
2603    // position the brick
2604    var position = {
2605      x: this.columnWidth * shortColIndex,
2606      y: minimumY
2607    };
2608
2609    // apply setHeight to necessary columns
2610    var setHeight = minimumY + item.size.outerHeight;
2611    var setSpan = this.cols + 1 - colGroup.length;
2612    for ( var i = 0; i < setSpan; i++ ) {
2613      this.colYs[ shortColIndex + i ] = setHeight;
2614    }
2615
2616    return position;
2617  };
2618
2619  /**
2620   * @param {Number} colSpan - number of columns the element spans
2621   * @returns {Array} colGroup
2622   */
2623  Masonry.prototype._getColGroup = function( colSpan ) {
2624    if ( colSpan < 2 ) {
2625      // if brick spans only one column, use all the column Ys
2626      return this.colYs;
2627    }
2628
2629    var colGroup = [];
2630    // how many different places could this brick fit horizontally
2631    var groupCount = this.cols + 1 - colSpan;
2632    // for each group potential horizontal position
2633    for ( var i = 0; i < groupCount; i++ ) {
2634      // make an array of colY values for that one group
2635      var groupColYs = this.colYs.slice( i, i + colSpan );
2636      // and get the max value of the array
2637      colGroup[i] = Math.max.apply( Math, groupColYs );
2638    }
2639    return colGroup;
2640  };
2641
2642  Masonry.prototype._manageStamp = function( stamp ) {
2643    var stampSize = getSize( stamp );
2644    var offset = this._getElementOffset( stamp );
2645    // get the columns that this stamp affects
2646    var isOriginLeft = this._getOption('originLeft');
2647    var firstX = isOriginLeft ? offset.left : offset.right;
2648    var lastX = firstX + stampSize.outerWidth;
2649    var firstCol = Math.floor( firstX / this.columnWidth );
2650    firstCol = Math.max( 0, firstCol );
2651    var lastCol = Math.floor( lastX / this.columnWidth );
2652    // lastCol should not go over if multiple of columnWidth #425
2653    lastCol -= lastX % this.columnWidth ? 0 : 1;
2654    lastCol = Math.min( this.cols - 1, lastCol );
2655    // set colYs to bottom of the stamp
2656
2657    var isOriginTop = this._getOption('originTop');
2658    var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) +
2659      stampSize.outerHeight;
2660    for ( var i = firstCol; i <= lastCol; i++ ) {
2661      this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
2662    }
2663  };
2664
2665  Masonry.prototype._getContainerSize = function() {
2666    this.maxY = Math.max.apply( Math, this.colYs );
2667    var size = {
2668      height: this.maxY
2669    };
2670
2671    if ( this._getOption('fitWidth') ) {
2672      size.width = this._getContainerFitWidth();
2673    }
2674
2675    return size;
2676  };
2677
2678  Masonry.prototype._getContainerFitWidth = function() {
2679    var unusedCols = 0;
2680    // count unused columns
2681    var i = this.cols;
2682    while ( --i ) {
2683      if ( this.colYs[i] !== 0 ) {
2684        break;
2685      }
2686      unusedCols++;
2687    }
2688    // fit container to columns that have been used
2689    return ( this.cols - unusedCols ) * this.columnWidth - this.gutter;
2690  };
2691
2692  Masonry.prototype.needsResizeLayout = function() {
2693    var previousWidth = this.containerWidth;
2694    this.getContainerWidth();
2695    return previousWidth != this.containerWidth;
2696  };
2697
2698  return Masonry;
2699
2700}));
2701
2702/*!
2703 * Masonry layout mode
2704 * sub-classes Masonry
2705 * http://masonry.desandro.com
2706 */
2707
2708( function( window, factory ) {
2709  // universal module definition
2710  /* jshint strict: false */ /*globals define, module, require */
2711  if ( typeof define == 'function' && define.amd ) {
2712    // AMD
2713    define( 'isotope/layout-modes/masonry',[
2714        '../layout-mode',
2715        'masonry/masonry'
2716      ],
2717      factory );
2718  } else if ( typeof module == 'object' && module.exports ) {
2719    // CommonJS
2720    module.exports = factory(
2721      require('../layout-mode'),
2722      require('masonry-layout')
2723    );
2724  } else {
2725    // browser global
2726    factory(
2727      window.Isotope.LayoutMode,
2728      window.Masonry
2729    );
2730  }
2731
2732}( window, function factory( LayoutMode, Masonry ) {
2733'use strict';
2734
2735// -------------------------- masonryDefinition -------------------------- //
2736
2737  // create an Outlayer layout class
2738  var MasonryMode = LayoutMode.create('masonry');
2739
2740  var proto = MasonryMode.prototype;
2741
2742  var keepModeMethods = {
2743    _getElementOffset: true,
2744    layout: true,
2745    _getMeasurement: true
2746  };
2747
2748  // inherit Masonry prototype
2749  for ( var method in Masonry.prototype ) {
2750    // do not inherit mode methods
2751    if ( !keepModeMethods[ method ] ) {
2752      proto[ method ] = Masonry.prototype[ method ];
2753    }
2754  }
2755
2756  var measureColumns = proto.measureColumns;
2757  proto.measureColumns = function() {
2758    // set items, used if measuring first item
2759    this.items = this.isotope.filteredItems;
2760    measureColumns.call( this );
2761  };
2762
2763  // point to mode options for fitWidth
2764  var _getOption = proto._getOption;
2765  proto._getOption = function( option ) {
2766    if ( option == 'fitWidth' ) {
2767      return this.options.isFitWidth !== undefined ?
2768        this.options.isFitWidth : this.options.fitWidth;
2769    }
2770    return _getOption.apply( this.isotope, arguments );
2771  };
2772
2773  return MasonryMode;
2774
2775}));
2776
2777/**
2778 * fitRows layout mode
2779 */
2780
2781( function( window, factory ) {
2782  // universal module definition
2783  /* jshint strict: false */ /*globals define, module, require */
2784  if ( typeof define == 'function' && define.amd ) {
2785    // AMD
2786    define( 'isotope/layout-modes/fit-rows',[
2787        '../layout-mode'
2788      ],
2789      factory );
2790  } else if ( typeof exports == 'object' ) {
2791    // CommonJS
2792    module.exports = factory(
2793      require('../layout-mode')
2794    );
2795  } else {
2796    // browser global
2797    factory(
2798      window.Isotope.LayoutMode
2799    );
2800  }
2801
2802}( window, function factory( LayoutMode ) {
2803'use strict';
2804
2805var FitRows = LayoutMode.create('fitRows');
2806
2807var proto = FitRows.prototype;
2808
2809proto._resetLayout = function() {
2810  this.x = 0;
2811  this.y = 0;
2812  this.maxY = 0;
2813  this._getMeasurement( 'gutter', 'outerWidth' );
2814};
2815
2816proto._getItemLayoutPosition = function( item ) {
2817  item.getSize();
2818
2819  var itemWidth = item.size.outerWidth + this.gutter;
2820  // if this element cannot fit in the current row
2821  var containerWidth = this.isotope.size.innerWidth + this.gutter;
2822  if ( this.x !== 0 && itemWidth + this.x > containerWidth ) {
2823    this.x = 0;
2824    this.y = this.maxY;
2825  }
2826
2827  var position = {
2828    x: this.x,
2829    y: this.y
2830  };
2831
2832  this.maxY = Math.max( this.maxY, this.y + item.size.outerHeight );
2833  this.x += itemWidth;
2834
2835  return position;
2836};
2837
2838proto._getContainerSize = function() {
2839  return { height: this.maxY };
2840};
2841
2842return FitRows;
2843
2844}));
2845
2846/**
2847 * vertical layout mode
2848 */
2849
2850( function( window, factory ) {
2851  // universal module definition
2852  /* jshint strict: false */ /*globals define, module, require */
2853  if ( typeof define == 'function' && define.amd ) {
2854    // AMD
2855    define( 'isotope/layout-modes/vertical',[
2856        '../layout-mode'
2857      ],
2858      factory );
2859  } else if ( typeof module == 'object' && module.exports ) {
2860    // CommonJS
2861    module.exports = factory(
2862      require('../layout-mode')
2863    );
2864  } else {
2865    // browser global
2866    factory(
2867      window.Isotope.LayoutMode
2868    );
2869  }
2870
2871}( window, function factory( LayoutMode ) {
2872'use strict';
2873
2874var Vertical = LayoutMode.create( 'vertical', {
2875  horizontalAlignment: 0
2876});
2877
2878var proto = Vertical.prototype;
2879
2880proto._resetLayout = function() {
2881  this.y = 0;
2882};
2883
2884proto._getItemLayoutPosition = function( item ) {
2885  item.getSize();
2886  var x = ( this.isotope.size.innerWidth - item.size.outerWidth ) *
2887    this.options.horizontalAlignment;
2888  var y = this.y;
2889  this.y += item.size.outerHeight;
2890  return { x: x, y: y };
2891};
2892
2893proto._getContainerSize = function() {
2894  return { height: this.y };
2895};
2896
2897return Vertical;
2898
2899}));
2900
2901/*!
2902 * Isotope v3.0.0
2903 *
2904 * Licensed GPLv3 for open source use
2905 * or Isotope Commercial License for commercial use
2906 *
2907 * http://isotope.metafizzy.co
2908 * Copyright 2016 Metafizzy
2909 */
2910
2911( function( window, factory ) {
2912  // universal module definition
2913  /* jshint strict: false */ /*globals define, module, require */
2914  if ( typeof define == 'function' && define.amd ) {
2915    // AMD
2916    define( [
2917        'outlayer/outlayer',
2918        'get-size/get-size',
2919        'desandro-matches-selector/matches-selector',
2920        'fizzy-ui-utils/utils',
2921        './item',
2922        './layout-mode',
2923        // include default layout modes
2924        './layout-modes/masonry',
2925        './layout-modes/fit-rows',
2926        './layout-modes/vertical'
2927      ],
2928      function( Outlayer, getSize, matchesSelector, utils, Item, LayoutMode ) {
2929        return factory( window, Outlayer, getSize, matchesSelector, utils, Item, LayoutMode );
2930      });
2931  } else if ( typeof module == 'object' && module.exports ) {
2932    // CommonJS
2933    module.exports = factory(
2934      window,
2935      require('outlayer'),
2936      require('get-size'),
2937      require('desandro-matches-selector'),
2938      require('fizzy-ui-utils'),
2939      require('./item'),
2940      require('./layout-mode'),
2941      // include default layout modes
2942      require('./layout-modes/masonry'),
2943      require('./layout-modes/fit-rows'),
2944      require('./layout-modes/vertical')
2945    );
2946  } else {
2947    // browser global
2948    window.Isotope = factory(
2949      window,
2950      window.Outlayer,
2951      window.getSize,
2952      window.matchesSelector,
2953      window.fizzyUIUtils,
2954      window.Isotope.Item,
2955      window.Isotope.LayoutMode
2956    );
2957  }
2958
2959}( window, function factory( window, Outlayer, getSize, matchesSelector, utils,
2960  Item, LayoutMode ) {
2961
2962
2963
2964// -------------------------- vars -------------------------- //
2965
2966var jQuery = window.jQuery;
2967
2968// -------------------------- helpers -------------------------- //
2969
2970var trim = String.prototype.trim ?
2971  function( str ) {
2972    return str.trim();
2973  } :
2974  function( str ) {
2975    return str.replace( /^\s+|\s+$/g, '' );
2976  };
2977
2978// -------------------------- isotopeDefinition -------------------------- //
2979
2980  // create an Outlayer layout class
2981  var Isotope = Outlayer.create( 'isotope', {
2982    layoutMode: 'masonry',
2983    isJQueryFiltering: true,
2984    sortAscending: true
2985  });
2986
2987  Isotope.Item = Item;
2988  Isotope.LayoutMode = LayoutMode;
2989
2990  var proto = Isotope.prototype;
2991
2992  proto._create = function() {
2993    this.itemGUID = 0;
2994    // functions that sort items
2995    this._sorters = {};
2996    this._getSorters();
2997    // call super
2998    Outlayer.prototype._create.call( this );
2999
3000    // create layout modes
3001    this.modes = {};
3002    // start filteredItems with all items
3003    this.filteredItems = this.items;
3004    // keep of track of sortBys
3005    this.sortHistory = [ 'original-order' ];
3006    // create from registered layout modes
3007    for ( var name in LayoutMode.modes ) {
3008      this._initLayoutMode( name );
3009    }
3010  };
3011
3012  proto.reloadItems = function() {
3013    // reset item ID counter
3014    this.itemGUID = 0;
3015    // call super
3016    Outlayer.prototype.reloadItems.call( this );
3017  };
3018
3019  proto._itemize = function() {
3020    var items = Outlayer.prototype._itemize.apply( this, arguments );
3021    // assign ID for original-order
3022    for ( var i=0; i < items.length; i++ ) {
3023      var item = items[i];
3024      item.id = this.itemGUID++;
3025    }
3026    this._updateItemsSortData( items );
3027    return items;
3028  };
3029
3030
3031  // -------------------------- layout -------------------------- //
3032
3033  proto._initLayoutMode = function( name ) {
3034    var Mode = LayoutMode.modes[ name ];
3035    // set mode options
3036    // HACK extend initial options, back-fill in default options
3037    var initialOpts = this.options[ name ] || {};
3038    this.options[ name ] = Mode.options ?
3039      utils.extend( Mode.options, initialOpts ) : initialOpts;
3040    // init layout mode instance
3041    this.modes[ name ] = new Mode( this );
3042  };
3043
3044
3045  proto.layout = function() {
3046    // if first time doing layout, do all magic
3047    if ( !this._isLayoutInited && this._getOption('initLayout') ) {
3048      this.arrange();
3049      return;
3050    }
3051    this._layout();
3052  };
3053
3054  // private method to be used in layout() & magic()
3055  proto._layout = function() {
3056    // don't animate first layout
3057    var isInstant = this._getIsInstant();
3058    // layout flow
3059    this._resetLayout();
3060    this._manageStamps();
3061    this.layoutItems( this.filteredItems, isInstant );
3062
3063    // flag for initalized
3064    this._isLayoutInited = true;
3065  };
3066
3067  // filter + sort + layout
3068  proto.arrange = function( opts ) {
3069    // set any options pass
3070    this.option( opts );
3071    this._getIsInstant();
3072    // filter, sort, and layout
3073
3074    // filter
3075    var filtered = this._filter( this.items );
3076    this.filteredItems = filtered.matches;
3077
3078    this._bindArrangeComplete();
3079
3080    if ( this._isInstant ) {
3081      this._noTransition( this._hideReveal, [ filtered ] );
3082    } else {
3083      this._hideReveal( filtered );
3084    }
3085
3086    this._sort();
3087    this._layout();
3088  };
3089  // alias to _init for main plugin method
3090  proto._init = proto.arrange;
3091
3092  proto._hideReveal = function( filtered ) {
3093    this.reveal( filtered.needReveal );
3094    this.hide( filtered.needHide );
3095  };
3096
3097  // HACK
3098  // Don't animate/transition first layout
3099  // Or don't animate/transition other layouts
3100  proto._getIsInstant = function() {
3101    var isLayoutInstant = this._getOption('layoutInstant');
3102    var isInstant = isLayoutInstant !== undefined ? isLayoutInstant :
3103      !this._isLayoutInited;
3104    this._isInstant = isInstant;
3105    return isInstant;
3106  };
3107
3108  // listen for layoutComplete, hideComplete and revealComplete
3109  // to trigger arrangeComplete
3110  proto._bindArrangeComplete = function() {
3111    // listen for 3 events to trigger arrangeComplete
3112    var isLayoutComplete, isHideComplete, isRevealComplete;
3113    var _this = this;
3114    function arrangeParallelCallback() {
3115      if ( isLayoutComplete && isHideComplete && isRevealComplete ) {
3116        _this.dispatchEvent( 'arrangeComplete', null, [ _this.filteredItems ] );
3117      }
3118    }
3119    this.once( 'layoutComplete', function() {
3120      isLayoutComplete = true;
3121      arrangeParallelCallback();
3122    });
vendor: 11,478 bytes, lines 3123-3506
3123    this.once( 'hideComplete', function() {
3124      isHideComplete = true;
3125      arrangeParallelCallback();
3126    });
3127    this.once( 'revealComplete', function() {
3128      isRevealComplete = true;
3129      arrangeParallelCallback();
3130    });
3131  };
3132
3133  // -------------------------- filter -------------------------- //
3134
3135  proto._filter = function( items ) {
3136    var filter = this.options.filter;
3137    filter = filter || '*';
3138    var matches = [];
3139    var hiddenMatched = [];
3140    var visibleUnmatched = [];
3141
3142    var test = this._getFilterTest( filter );
3143
3144    // test each item
3145    for ( var i=0; i < items.length; i++ ) {
3146      var item = items[i];
3147      if ( item.isIgnored ) {
3148        continue;
3149      }
3150      // add item to either matched or unmatched group
3151      var isMatched = test( item );
3152      // item.isFilterMatched = isMatched;
3153      // add to matches if its a match
3154      if ( isMatched ) {
3155        matches.push( item );
3156      }
3157      // add to additional group if item needs to be hidden or revealed
3158      if ( isMatched && item.isHidden ) {
3159        hiddenMatched.push( item );
3160      } else if ( !isMatched && !item.isHidden ) {
3161        visibleUnmatched.push( item );
3162      }
3163    }
3164
3165    // return collections of items to be manipulated
3166    return {
3167      matches: matches,
3168      needReveal: hiddenMatched,
3169      needHide: visibleUnmatched
3170    };
3171  };
3172
3173  // get a jQuery, function, or a matchesSelector test given the filter
3174  proto._getFilterTest = function( filter ) {
3175    if ( jQuery && this.options.isJQueryFiltering ) {
3176      // use jQuery
3177      return function( item ) {
3178        return jQuery( item.element ).is( filter );
3179      };
3180    }
3181    if ( typeof filter == 'function' ) {
3182      // use filter as function
3183      return function( item ) {
3184        return filter( item.element );
3185      };
3186    }
3187    // default, use filter as selector string
3188    return function( item ) {
3189      return matchesSelector( item.element, filter );
3190    };
3191  };
3192
3193  // -------------------------- sorting -------------------------- //
3194
3195  /**
3196   * @params {Array} elems
3197   * @public
3198   */
3199  proto.updateSortData = function( elems ) {
3200    // get items
3201    var items;
3202    if ( elems ) {
3203      elems = utils.makeArray( elems );
3204      items = this.getItems( elems );
3205    } else {
3206      // update all items if no elems provided
3207      items = this.items;
3208    }
3209
3210    this._getSorters();
3211    this._updateItemsSortData( items );
3212  };
3213
3214  proto._getSorters = function() {
3215    var getSortData = this.options.getSortData;
3216    for ( var key in getSortData ) {
3217      var sorter = getSortData[ key ];
3218      this._sorters[ key ] = mungeSorter( sorter );
3219    }
3220  };
3221
3222  /**
3223   * @params {Array} items - of Isotope.Items
3224   * @private
3225   */
3226  proto._updateItemsSortData = function( items ) {
3227    // do not update if no items
3228    var len = items && items.length;
3229
3230    for ( var i=0; len && i < len; i++ ) {
3231      var item = items[i];
3232      item.updateSortData();
3233    }
3234  };
3235
3236  // ----- munge sorter ----- //
3237
3238  // encapsulate this, as we just need mungeSorter
3239  // other functions in here are just for munging
3240  var mungeSorter = ( function() {
3241    // add a magic layer to sorters for convienent shorthands
3242    // `.foo-bar` will use the text of .foo-bar querySelector
3243    // `[foo-bar]` will use attribute
3244    // you can also add parser
3245    // `.foo-bar parseInt` will parse that as a number
3246    function mungeSorter( sorter ) {
3247      // if not a string, return function or whatever it is
3248      if ( typeof sorter != 'string' ) {
3249        return sorter;
3250      }
3251      // parse the sorter string
3252      var args = trim( sorter ).split(' ');
3253      var query = args[0];
3254      // check if query looks like [an-attribute]
3255      var attrMatch = query.match( /^\[(.+)\]$/ );
3256      var attr = attrMatch && attrMatch[1];
3257      var getValue = getValueGetter( attr, query );
3258      // use second argument as a parser
3259      var parser = Isotope.sortDataParsers[ args[1] ];
3260      // parse the value, if there was a parser
3261      sorter = parser ? function( elem ) {
3262        return elem && parser( getValue( elem ) );
3263      } :
3264      // otherwise just return value
3265      function( elem ) {
3266        return elem && getValue( elem );
3267      };
3268
3269      return sorter;
3270    }
3271
3272    // get an attribute getter, or get text of the querySelector
3273    function getValueGetter( attr, query ) {
3274      // if query looks like [foo-bar], get attribute
3275      if ( attr ) {
3276        return function getAttribute( elem ) {
3277          return elem.getAttribute( attr );
3278        };
3279      }
3280
3281      // otherwise, assume its a querySelector, and get its text
3282      return function getChildText( elem ) {
3283        var child = elem.querySelector( query );
3284        return child && child.textContent;
3285      };
3286    }
3287
3288    return mungeSorter;
3289  })();
3290
3291  // parsers used in getSortData shortcut strings
3292  Isotope.sortDataParsers = {
3293    'parseInt': function( val ) {
3294      return parseInt( val, 10 );
3295    },
3296    'parseFloat': function( val ) {
3297      return parseFloat( val );
3298    }
3299  };
3300
3301  // ----- sort method ----- //
3302
3303  // sort filteredItem order
3304  proto._sort = function() {
3305    var sortByOpt = this.options.sortBy;
3306    if ( !sortByOpt ) {
3307      return;
3308    }
3309    // concat all sortBy and sortHistory
3310    var sortBys = [].concat.apply( sortByOpt, this.sortHistory );
3311    // sort magic
3312    var itemSorter = getItemSorter( sortBys, this.options.sortAscending );
3313    this.filteredItems.sort( itemSorter );
3314    // keep track of sortBy History
3315    if ( sortByOpt != this.sortHistory[0] ) {
3316      // add to front, oldest goes in last
3317      this.sortHistory.unshift( sortByOpt );
3318    }
3319  };
3320
3321  // returns a function used for sorting
3322  function getItemSorter( sortBys, sortAsc ) {
3323    return function sorter( itemA, itemB ) {
3324      // cycle through all sortKeys
3325      for ( var i = 0; i < sortBys.length; i++ ) {
3326        var sortBy = sortBys[i];
3327        var a = itemA.sortData[ sortBy ];
3328        var b = itemB.sortData[ sortBy ];
3329        if ( a > b || a < b ) {
3330          // if sortAsc is an object, use the value given the sortBy key
3331          var isAscending = sortAsc[ sortBy ] !== undefined ? sortAsc[ sortBy ] : sortAsc;
3332          var direction = isAscending ? 1 : -1;
3333          return ( a > b ? 1 : -1 ) * direction;
3334        }
3335      }
3336      return 0;
3337    };
3338  }
3339
3340  // -------------------------- methods -------------------------- //
3341
3342  // get layout mode
3343  proto._mode = function() {
3344    var layoutMode = this.options.layoutMode;
3345    var mode = this.modes[ layoutMode ];
3346    if ( !mode ) {
3347      // TODO console.error
3348      throw new Error( 'No layout mode: ' + layoutMode );
3349    }
3350    // HACK sync mode's options
3351    // any options set after init for layout mode need to be synced
3352    mode.options = this.options[ layoutMode ];
3353    return mode;
3354  };
3355
3356  proto._resetLayout = function() {
3357    // trigger original reset layout
3358    Outlayer.prototype._resetLayout.call( this );
3359    this._mode()._resetLayout();
3360  };
3361
3362  proto._getItemLayoutPosition = function( item  ) {
3363    return this._mode()._getItemLayoutPosition( item );
3364  };
3365
3366  proto._manageStamp = function( stamp ) {
3367    this._mode()._manageStamp( stamp );
3368  };
3369
3370  proto._getContainerSize = function() {
3371    return this._mode()._getContainerSize();
3372  };
3373
3374  proto.needsResizeLayout = function() {
3375    return this._mode().needsResizeLayout();
3376  };
3377
3378  // -------------------------- adding & removing -------------------------- //
3379
3380  // HEADS UP overwrites default Outlayer appended
3381  proto.appended = function( elems ) {
3382    var items = this.addItems( elems );
3383    if ( !items.length ) {
3384      return;
3385    }
3386    // filter, layout, reveal new items
3387    var filteredItems = this._filterRevealAdded( items );
3388    // add to filteredItems
3389    this.filteredItems = this.filteredItems.concat( filteredItems );
3390  };
3391
3392  // HEADS UP overwrites default Outlayer prepended
3393  proto.prepended = function( elems ) {
3394    var items = this._itemize( elems );
3395    if ( !items.length ) {
3396      return;
3397    }
3398    // start new layout
3399    this._resetLayout();
3400    this._manageStamps();
3401    // filter, layout, reveal new items
3402    var filteredItems = this._filterRevealAdded( items );
3403    // layout previous items
3404    this.layoutItems( this.filteredItems );
3405    // add to items and filteredItems
3406    this.filteredItems = filteredItems.concat( this.filteredItems );
3407    this.items = items.concat( this.items );
3408  };
3409
3410  proto._filterRevealAdded = function( items ) {
3411    var filtered = this._filter( items );
3412    this.hide( filtered.needHide );
3413    // reveal all new items
3414    this.reveal( filtered.matches );
3415    // layout new items, no transition
3416    this.layoutItems( filtered.matches, true );
3417    return filtered.matches;
3418  };
3419
3420  /**
3421   * Filter, sort, and layout newly-appended item elements
3422   * @param {Array or NodeList or Element} elems
3423   */
3424  proto.insert = function( elems ) {
3425    var items = this.addItems( elems );
3426    if ( !items.length ) {
3427      return;
3428    }
3429    // append item elements
3430    var i, item;
3431    var len = items.length;
3432    for ( i=0; i < len; i++ ) {
3433      item = items[i];
3434      this.element.appendChild( item.element );
3435    }
3436    // filter new stuff
3437    var filteredInsertItems = this._filter( items ).matches;
3438    // set flag
3439    for ( i=0; i < len; i++ ) {
3440      items[i].isLayoutInstant = true;
3441    }
3442    this.arrange();
3443    // reset flag
3444    for ( i=0; i < len; i++ ) {
3445      delete items[i].isLayoutInstant;
3446    }
3447    this.reveal( filteredInsertItems );
3448  };
3449
3450  var _remove = proto.remove;
3451  proto.remove = function( elems ) {
3452    elems = utils.makeArray( elems );
3453    var removeItems = this.getItems( elems );
3454    // do regular thing
3455    _remove.call( this, elems );
3456    // bail if no items to remove
3457    var len = removeItems && removeItems.length;
3458    // remove elems from filteredItems
3459    for ( var i=0; len && i < len; i++ ) {
3460      var item = removeItems[i];
3461      // remove item from collection
3462      utils.removeFrom( this.filteredItems, item );
3463    }
3464  };
3465
3466  proto.shuffle = function() {
3467    // update random sortData
3468    for ( var i=0; i < this.items.length; i++ ) {
3469      var item = this.items[i];
3470      item.sortData.random = Math.random();
3471    }
3472    this.options.sortBy = 'random';
3473    this._sort();
3474    this._layout();
3475  };
3476
3477  /**
3478   * trigger fn without transition
3479   * kind of hacky to have this in the first place
3480   * @param {Function} fn
3481   * @param {Array} args
3482   * @returns ret
3483   * @private
3484   */
3485  proto._noTransition = function( fn, args ) {
3486    // save transitionDuration before disabling
3487    var transitionDuration = this.options.transitionDuration;
3488    // disable transition
3489    this.options.transitionDuration = 0;
3490    // do it
3491    var returnValue = fn.apply( this, args );
3492    // re-enable transition for reveal
3493    this.options.transitionDuration = transitionDuration;
3494    return returnValue;
3495  };
3496
3497  // ----- helper methods ----- //
3498
3499  /**
3500   * getter method for getting filtered item elements
3501   * @returns {Array} elems - collection of item elements
3502   */
3503  proto.getFilteredItemElements = function() {
3504    return this.filteredItems.map( function( item ) {
3505      return item.element;
3506    });
3507  };
3508
3509  // -----  ----- //
3510
3511  return Isotope;
3512
3513}));

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