https://foadadeli.ir/js/plugins.js

19
20 */
21
22/**
23 * Bridget makes jQuery widgets
24 * v2.0.1
25 * MIT license
26 */
27
28/* jshint browser: true, strict: true, undef: true, unused: true */
29
30( function( window, factory ) {
31  // universal module definition
32  /*jshint strict: false */ /* globals define, module, require */
33  if ( typeof define == 'function' && define.amd ) {
34    // AMD
35    define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
36      return factory( window, jQuery );
37    });
38  } else if ( typeof module == 'object' && module.exports ) {
39    // CommonJS
40    module.exports = factory(
41      window,
42      require('jquery')
43    );
44  } else {
45    // browser global
46    window.jQueryBridget = factory(
47      window,
48      window.jQuery
49    );
50  }
51
52}( window, function factory( window, jQuery ) {
53'use strict';
54
55// ----- utils ----- //
56
57var arraySlice = Array.prototype.slice;
58
59// helper function for logging errors
60// $.error breaks jQuery chaining
61var console = window.console;
62var logError = typeof console == 'undefined' ? function() {} :
63  function( message ) {
64    console.error( message );
65  };
66
67// ----- jQueryBridget ----- //
68
69function jQueryBridget( namespace, PluginClass, $ ) {
70  $ = $ || jQuery || window.jQuery;
71  if ( !$ ) {
72    return;
73  }
74
75  // add option method -> $().plugin('option', {...})
76  if ( !PluginClass.prototype.option ) {
77    // option setter
78    PluginClass.prototype.option = function( opts ) {
79      // bail out if not an object
80      if ( !$.isPlainObject( opts ) ){
81        return;
82      }
83      this.options = $.extend( true, this.options, opts );
84    };
85  }
86
87  // make jQuery plugin
88  $.fn[ namespace ] = function( arg0 /*, arg1 */ ) {
89    if ( typeof arg0 == 'string' ) {
90      // method call $().plugin( 'methodName', { options } )
91      // shift arguments by 1
92      var args = arraySlice.call( arguments, 1 );
93      return methodCall( this, arg0, args );
94    }
95    // just $().plugin({ options })
96    plainCall( this, arg0 );
97    return this;
98  };
99
100  // $().plugin('methodName')
101  function methodCall( $elems, methodName, args ) {
102    var returnValue;
103    var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';
104
105    $elems.each( function( i, elem ) {
106      // get instance
107      var instance = $.data( elem, namespace );
108      if ( !instance ) {
109        logError( namespace + ' not initialized. Cannot call methods, i.e. ' +
110          pluginMethodStr );
111        return;
112      }
113
114      var method = instance[ methodName ];
115      if ( !method || methodName.charAt(0) == '_' ) {
116        logError( pluginMethodStr + ' is not a valid method' );
117        return;
118      }
119
120      // apply method, get return value
121      var value = method.apply( instance, args );
122      // set return value if value is returned, use only first value
123      returnValue = returnValue === undefined ? value : returnValue;
124    });
125
126    return returnValue !== undefined ? returnValue : $elems;
127  }
128
129  function plainCall( $elems, options ) {
130    $elems.each( function( i, elem ) {
131      var instance = $.data( elem, namespace );
132      if ( instance ) {
133        // set options & init
134        instance.option( options );
135        instance._init();
136      } else {
137        // initialize new instance
138        instance = new PluginClass( elem, options );
139        $.data( elem, namespace, instance );
140      }
141    });
142  }
143
144  updateJQuery( $ );
145
146}
147
148// ----- updateJQuery ----- //
149
150// set $.bridget for v1 backwards compatibility
151function updateJQuery( $ ) {
152  if ( !$ || ( $ && $.bridget ) ) {
153    return;
154  }
155  $.bridget = jQueryBridget;
156}
157
158updateJQuery( jQuery || window.jQuery );
159
160// -----  ----- //
161
162return jQueryBridget;
163
164}));
165
166/**
167 * EvEmitter v1.1.0
168 * Lil' event emitter
169 * MIT License
170 */
171
172/* jshint unused: true, undef: true, strict: true */
173
174( function( global, factory ) {
175  // universal module definition
176  /* jshint strict: false */ /* globals define, module, window */
177  if ( typeof define == 'function' && define.amd ) {
178    // AMD - RequireJS
179    define( 'ev-emitter/ev-emitter',factory );
180  } else if ( typeof module == 'object' && module.exports ) {
181    // CommonJS - Browserify, Webpack
182    module.exports = factory();
183  } else {
184    // Browser globals
185    global.EvEmitter = factory();
186  }
187
188}( typeof window != 'undefined' ? window : this, function() {
189
190
191
192function EvEmitter() {}
193
194var proto = EvEmitter.prototype;
195
196proto.on = function( eventName, listener ) {
197  if ( !eventName || !listener ) {
198    return;
199  }
200  // set events hash
201  var events = this._events = this._events || {};
202  // set listeners array
203  var listeners = events[ eventName ] = events[ eventName ] || [];
204  // only add once
205  if ( listeners.indexOf( listener ) == -1 ) {
206    listeners.push( listener );
207  }
208
209  return this;
210};
211
212proto.once = function( eventName, listener ) {
213  if ( !eventName || !listener ) {
214    return;
215  }
216  // add event
217  this.on( eventName, listener );
218  // set once flag
219  // set onceEvents hash
220  var onceEvents = this._onceEvents = this._onceEvents || {};
221  // set onceListeners object
222  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
223  // set flag
224  onceListeners[ listener ] = true;
225
226  return this;
227};
228
229proto.off = function( eventName, listener ) {
230  var listeners = this._events && this._events[ eventName ];
231  if ( !listeners || !listeners.length ) {
232    return;
233  }
234  var index = listeners.indexOf( listener );
235  if ( index != -1 ) {
236    listeners.splice( index, 1 );
237  }
238
239  return this;
240};
241
242proto.emitEvent = function( eventName, args ) {
243  var listeners = this._events && this._events[ eventName ];
244  if ( !listeners || !listeners.length ) {
245    return;
246  }
247  // copy over to avoid interference if .off() in listener
248  listeners = listeners.slice(0);
249  args = args || [];
250  // once stuff
251  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];
252
253  for ( var i=0; i < listeners.length; i++ ) {
254    var listener = listeners[i]
255    var isOnce = onceListeners && onceListeners[ listener ];
256    if ( isOnce ) {
257      // remove listener
258      // remove before trigger to prevent recursion
259      this.off( eventName, listener );
260      // unset once flag
261      delete onceListeners[ listener ];
262    }
263    // trigger listener
264    listener.apply( this, args );
265  }
266
267  return this;
268};
269
270proto.allOff = function() {
271  delete this._events;
272  delete this._onceEvents;
273};
274
275return EvEmitter;
276
277}));
278
279/*!
280 * getSize v2.0.3
281 * measure size of elements
282 * MIT license
283 */
284
285/* jshint browser: true, strict: true, undef: true, unused: true */
286/* globals console: false */
287
288( function( window, factory ) {
289  /* jshint strict: false */ /* globals define, module */
290  if ( typeof define == 'function' && define.amd ) {
291    // AMD
292    define( 'get-size/get-size',factory );
293  } else if ( typeof module == 'object' && module.exports ) {
294    // CommonJS
295    module.exports = factory();
296  } else {
297    // browser global
298    window.getSize = factory();
299  }
300
301})( window, function factory() {
302'use strict';
303
304// -------------------------- helpers -------------------------- //
305
306// get a number from a string, not a percentage
307function getStyleSize( value ) {
308  var num = parseFloat( value );
309  // not a percent like '100%', and a number
310  var isValid = value.indexOf('%') == -1 && !isNaN( num );
311  return isValid && num;
312}
313
314function noop() {}
315
316var logError = typeof console == 'undefined' ? noop :
317  function( message ) {
318    console.error( message );
319  };
320
321// -------------------------- measurements -------------------------- //
322
323var measurements = [
324  'paddingLeft',
325  'paddingRight',
326  'paddingTop',
327  'paddingBottom',
328  'marginLeft',
329  'marginRight',
330  'marginTop',
331  'marginBottom',
332  'borderLeftWidth',
333  'borderRightWidth',
334  'borderTopWidth',
335  'borderBottomWidth'
336];
337
338var measurementsLength = measurements.length;
339
340function getZeroSize() {
341  var size = {
342    width: 0,
343    height: 0,
344    innerWidth: 0,
345    innerHeight: 0,
346    outerWidth: 0,
347    outerHeight: 0
348  };
349  for ( var i=0; i < measurementsLength; i++ ) {
350    var measurement = measurements[i];
351    size[ measurement ] = 0;
352  }
353  return size;
354}
355
356// -------------------------- getStyle -------------------------- //
357
358/**
359 * getStyle, get style of element, check for Firefox bug
360 * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
361 */
362function getStyle( elem ) {
363  var style = getComputedStyle( elem );
364  if ( !style ) {
365    logError( 'Style returned ' + style +
366      '. Are you running this code in a hidden iframe on Firefox? ' +
367      'See https://bit.ly/getsizebug1' );
368  }
369  return style;
370}
371
372// -------------------------- setup -------------------------- //
373
374var isSetup = false;
375
376var isBoxSizeOuter;
377
378/**
379 * setup
380 * check isBoxSizerOuter
381 * do on first getSize() rather than on page load for Firefox bug
382 */
383function setup() {
384  // setup once
385  if ( isSetup ) {
386    return;
387  }
388  isSetup = true;
389
390  // -------------------------- box sizing -------------------------- //
391
392  /**
393   * Chrome & Safari measure the outer-width on style.width on border-box elems
394   * IE11 & Firefox<29 measures the inner-width
395   */
396  var div = document.createElement('div');
397  div.style.width = '200px';
398  div.style.padding = '1px 2px 3px 4px';
399  div.style.borderStyle = 'solid';
400  div.style.borderWidth = '1px 2px 3px 4px';
401  div.style.boxSizing = 'border-box';
402
403  var body = document.body || document.documentElement;
404  body.appendChild( div );
405  var style = getStyle( div );
406  // round value for browser zoom. desandro/masonry#928
407  isBoxSizeOuter = Math.round( getStyleSize( style.width ) ) == 200;
408  getSize.isBoxSizeOuter = isBoxSizeOuter;
409
410  body.removeChild( div );
411}
412
413// -------------------------- getSize -------------------------- //
414
415function getSize( elem ) {
416  setup();
417
418  // use querySeletor if elem is string
419  if ( typeof elem == 'string' ) {
420    elem = document.querySelector( elem );
421  }
422
423  // do not proceed on non-objects
424  if ( !elem || typeof elem != 'object' || !elem.nodeType ) {
425    return;
426  }
427
428  var style = getStyle( elem );
429
430  // if hidden, everything is 0
431  if ( style.display == 'none' ) {
432    return getZeroSize();
433  }
434
435  var size = {};
436  size.width = elem.offsetWidth;
437  size.height = elem.offsetHeight;
438
439  var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';
440
441  // get all measurements
442  for ( var i=0; i < measurementsLength; i++ ) {
443    var measurement = measurements[i];
444    var value = style[ measurement ];
445    var num = parseFloat( value );
446    // any 'auto', 'medium' value will be 0
447    size[ measurement ] = !isNaN( num ) ? num : 0;
448  }
449
450  var paddingWidth = size.paddingLeft + size.paddingRight;
451  var paddingHeight = size.paddingTop + size.paddingBottom;
452  var marginWidth = size.marginLeft + size.marginRight;
453  var marginHeight = size.marginTop + size.marginBottom;
454  var borderWidth = size.borderLeftWidth + size.borderRightWidth;
455  var borderHeight = size.borderTopWidth + size.borderBottomWidth;
456
457  var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;
458
459  // overwrite width and height if we can get it from style
460  var styleWidth = getStyleSize( style.width );
461  if ( styleWidth !== false ) {
462    size.width = styleWidth +
463      // add padding and border unless it's already including it
464      ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
465  }
466
467  var styleHeight = getStyleSize( style.height );
468  if ( styleHeight !== false ) {
469    size.height = styleHeight +
470      // add padding and border unless it's already including it
471      ( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight );
472  }
473
474  size.innerWidth = size.width - ( paddingWidth + borderWidth );
475  size.innerHeight = size.height - ( paddingHeight + borderHeight );
476
477  size.outerWidth = size.width + marginWidth;
478  size.outerHeight = size.height + marginHeight;
479
480  return size;
481}
482
483return getSize;
484
485});
486
487/**
488 * matchesSelector v2.0.2
489 * matchesSelector( element, '.selector' )
490 * MIT license
491 */
492
493/*jshint browser: true, strict: true, undef: true, unused: true */
494
495( function( window, factory ) {
496  /*global define: false, module: false */
497  'use strict';
498  // universal module definition
499  if ( typeof define == 'function' && define.amd ) {
500    // AMD
501    define( 'desandro-matches-selector/matches-selector',factory );
502  } else if ( typeof module == 'object' && module.exports ) {
503    // CommonJS
504    module.exports = factory();
505  } else {
506    // browser global
507    window.matchesSelector = factory();
508  }
509
510}( window, function factory() {
511  'use strict';
512
513  var matchesMethod = ( function() {
514    var ElemProto = window.Element.prototype;
515    // check for the standard method name first
516    if ( ElemProto.matches ) {
517      return 'matches';
518    }
519    // check un-prefixed
520    if ( ElemProto.matchesSelector ) {
521      return 'matchesSelector';
522    }
523    // check vendor prefixes
524    var prefixes = [ 'webkit', 'moz', 'ms', 'o' ];
525
526    for ( var i=0; i < prefixes.length; i++ ) {
527      var prefix = prefixes[i];
528      var method = prefix + 'MatchesSelector';
529      if ( ElemProto[ method ] ) {
530        return method;
531      }
532    }
533  })();
534
535  return function matchesSelector( elem, selector ) {
536    return elem[ matchesMethod ]( selector );
537  };
538
539}));
540
541/**
542 * Fizzy UI utils v2.0.7
543 * MIT license
544 */
545
546/*jshint browser: true, undef: true, unused: true, strict: true */
547
548( function( window, factory ) {
549  // universal module definition
550  /*jshint strict: false */ /*globals define, module, require */
551
552  if ( typeof define == 'function' && define.amd ) {
553    // AMD
554    define( 'fizzy-ui-utils/utils',[
555      'desandro-matches-selector/matches-selector'
556    ], function( matchesSelector ) {
557      return factory( window, matchesSelector );
558    });
559  } else if ( typeof module == 'object' && module.exports ) {
560    // CommonJS
561    module.exports = factory(
562      window,
563      require('desandro-matches-selector')
564    );
565  } else {
566    // browser global
567    window.fizzyUIUtils = factory(
568      window,
569      window.matchesSelector
570    );
571  }
572
573}( window, function factory( window, matchesSelector ) {
574
575
576
577var utils = {};
578
579// ----- extend ----- //
580
581// extends objects
582utils.extend = function( a, b ) {
583  for ( var prop in b ) {
584    a[ prop ] = b[ prop ];
585  }
586  return a;
587};
588
589// ----- modulo ----- //
590
591utils.modulo = function( num, div ) {
592  return ( ( num % div ) + div ) % div;
593};
594
595// ----- makeArray ----- //
596
597var arraySlice = Array.prototype.slice;
598
599// turn element or nodeList into an array
600utils.makeArray = function( obj ) {
601  if ( Array.isArray( obj ) ) {
602    // use object if already an array
603    return obj;
604  }
605  // return empty array if undefined or null. #6
606  if ( obj === null || obj === undefined ) {
607    return [];
608  }
609
610  var isArrayLike = typeof obj == 'object' && typeof obj.length == 'number';
611  if ( isArrayLike ) {
612    // convert nodeList to array
613    return arraySlice.call( obj );
614  }
615
616  // array of single index
617  return [ obj ];
618};
619
620// ----- removeFrom ----- //
621
622utils.removeFrom = function( ary, obj ) {
623  var index = ary.indexOf( obj );
624  if ( index != -1 ) {
625    ary.splice( index, 1 );
626  }
627};
628
629// ----- getParent ----- //
630
631utils.getParent = function( elem, selector ) {
632  while ( elem.parentNode && elem != document.body ) {
633    elem = elem.parentNode;
634    if ( matchesSelector( elem, selector ) ) {
635      return elem;
636    }
637  }
638};
639
640// ----- getQueryElement ----- //
641
642// use element as selector string
643utils.getQueryElement = function( elem ) {
644  if ( typeof elem == 'string' ) {
645    return document.querySelector( elem );
646  }
647  return elem;
648};
649
650// ----- handleEvent ----- //
651
652// enable .ontype to trigger from .addEventListener( elem, 'type' )
653utils.handleEvent = function( event ) {
654  var method = 'on' + event.type;
655  if ( this[ method ] ) {
656    this[ method ]( event );
657  }
658};
659
660// ----- filterFindElements ----- //
661
662utils.filterFindElements = function( elems, selector ) {
663  // make array of elems
664  elems = utils.makeArray( elems );
665  var ffElems = [];
666
667  elems.forEach( function( elem ) {
668    // check that elem is an actual element
669    if ( !( elem instanceof HTMLElement ) ) {
670      return;
671    }
672    // add elem if no selector
673    if ( !selector ) {
674      ffElems.push( elem );
675      return;
676    }
677    // filter & find items if we have a selector
678    // filter
679    if ( matchesSelector( elem, selector ) ) {
680      ffElems.push( elem );
681    }
682    // find children
683    var childElems = elem.querySelectorAll( selector );
684    // concat childElems to filterFound array
685    for ( var i=0; i < childElems.length; i++ ) {
686      ffElems.push( childElems[i] );
687    }
688  });
689
690  return ffElems;
691};
692
693// ----- debounceMethod ----- //
694
695utils.debounceMethod = function( _class, methodName, threshold ) {
696  threshold = threshold || 100;
697  // original method
698  var method = _class.prototype[ methodName ];
699  var timeoutName = methodName + 'Timeout';
700
701  _class.prototype[ methodName ] = function() {
702    var timeout = this[ timeoutName ];
703    clearTimeout( timeout );
704
705    var args = arguments;
706    var _this = this;
707    this[ timeoutName ] = setTimeout( function() {
708      method.apply( _this, args );
709      delete _this[ timeoutName ];
710    }, threshold );
711  };
712};
713
714// ----- docReady ----- //
715
716utils.docReady = function( callback ) {
717  var readyState = document.readyState;
718  if ( readyState == 'complete' || readyState == 'interactive' ) {
719    // do async to allow for other scripts to run. metafizzy/flickity#441
720    setTimeout( callback );
721  } else {
722    document.addEventListener( 'DOMContentLoaded', callback );
723  }
724};
725
726// ----- htmlInit ----- //
727
728// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
729utils.toDashed = function( str ) {
730  return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
731    return $1 + '-' + $2;
732  }).toLowerCase();
733};
734
735var console = window.console;
736/**
737 * allow user to initialize classes via [data-namespace] or .js-namespace class
738 * htmlInit( Widget, 'widgetName' )
739 * options are parsed from data-namespace-options
740 */
741utils.htmlInit = function( WidgetClass, namespace ) {
742  utils.docReady( function() {
743    var dashedNamespace = utils.toDashed( namespace );
744    var dataAttr = 'data-' + dashedNamespace;
745    var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' );
746    var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace );
747    var elems = utils.makeArray( dataAttrElems )
748      .concat( utils.makeArray( jsDashElems ) );
749    var dataOptionsAttr = dataAttr + '-options';
750    var jQuery = window.jQuery;
751
752    elems.forEach( function( elem ) {
753      var attr = elem.getAttribute( dataAttr ) ||
754        elem.getAttribute( dataOptionsAttr );
755      var options;
756      try {
757        options = attr && JSON.parse( attr );
758      } catch ( error ) {
759        // log error, do not initialize
760        if ( console ) {
761          console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className +
762          ': ' + error );
763        }
764        return;
765      }
766      // initialize
767      var instance = new WidgetClass( elem, options );
768      // make available via $().data('namespace')
769      if ( jQuery ) {
770        jQuery.data( elem, namespace, instance );
771      }
772    });
773
774  });
775};
776
777// -----  ----- //
778
779return utils;
780
781}));
782
783/**
784 * Outlayer Item
785 */
786
787( function( window, factory ) {
788  // universal module definition
789  /* jshint strict: false */ /* globals define, module, require */
790  if ( typeof define == 'function' && define.amd ) {
791    // AMD - RequireJS
792    define( 'outlayer/item',[
793        'ev-emitter/ev-emitter',
794        'get-size/get-size'
795      ],
796      factory
797    );
798  } else if ( typeof module == 'object' && module.exports ) {
799    // CommonJS - Browserify, Webpack
800    module.exports = factory(
801      require('ev-emitter'),
802      require('get-size')
803    );
804  } else {
805    // browser global
806    window.Outlayer = {};
807    window.Outlayer.Item = factory(
808      window.EvEmitter,
809      window.getSize
810    );
811  }
812
813}( window, function factory( EvEmitter, getSize ) {
814'use strict';
815
816// ----- helpers ----- //
817
818function isEmptyObj( obj ) {
819  for ( var prop in obj ) {
820    return false;
821  }
822  prop = null;
823  return true;
824}
825
826// -------------------------- CSS3 support -------------------------- //
827
828
829var docElemStyle = document.documentElement.style;
830
831var transitionProperty = typeof docElemStyle.transition == 'string' ?
832  'transition' : 'WebkitTransition';
833var transformProperty = typeof docElemStyle.transform == 'string' ?
834  'transform' : 'WebkitTransform';
835
836var transitionEndEvent = {
837  WebkitTransition: 'webkitTransitionEnd',
838  transition: 'transitionend'
839}[ transitionProperty ];
840
841// cache all vendor properties that could have vendor prefix
842var vendorProperties = {
843  transform: transformProperty,
844  transition: transitionProperty,
845  transitionDuration: transitionProperty + 'Duration',
846  transitionProperty: transitionProperty + 'Property',
847  transitionDelay: transitionProperty + 'Delay'
848};
849
850// -------------------------- Item -------------------------- //
851
852function Item( element, layout ) {
853  if ( !element ) {
854    return;
855  }
856
857  this.element = element;
858  // parent layout class, i.e. Masonry, Isotope, or Packery
859  this.layout = layout;
860  this.position = {
861    x: 0,
862    y: 0
863  };
864
865  this._create();
866}
867
868// inherit EvEmitter
869var proto = Item.prototype = Object.create( EvEmitter.prototype );
870proto.constructor = Item;
871
872proto._create = function() {
873  // transition objects
874  this._transn = {
875    ingProperties: {},
876    clean: {},
877    onEnd: {}
878  };
879
880  this.css({
881    position: 'absolute'
882  });
883};
884
885// trigger specified handler for event type
886proto.handleEvent = function( event ) {
887  var method = 'on' + event.type;
888  if ( this[ method ] ) {
889    this[ method ]( event );
890  }
891};
892
893proto.getSize = function() {
894  this.size = getSize( this.element );
895};
896
897/**
898 * apply CSS styles to element
899 * @param {Object} style
900 */
901proto.css = function( style ) {
902  var elemStyle = this.element.style;
903
904  for ( var prop in style ) {
905    // use vendor property if available
906    var supportedProp = vendorProperties[ prop ] || prop;
907    elemStyle[ supportedProp ] = style[ prop ];
908  }
909};
910
911 // measure position, and sets it
912proto.getPosition = function() {
913  var style = getComputedStyle( this.element );
914  var isOriginLeft = this.layout._getOption('originLeft');
915  var isOriginTop = this.layout._getOption('originTop');
916  var xValue = style[ isOriginLeft ? 'left' : 'right' ];
917  var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
918  var x = parseFloat( xValue );
919  var y = parseFloat( yValue );
920  // convert percent to pixels
921  var layoutSize = this.layout.size;
922  if ( xValue.indexOf('%') != -1 ) {
923    x = ( x / 100 ) * layoutSize.width;
924  }
925  if ( yValue.indexOf('%') != -1 ) {
926    y = ( y / 100 ) * layoutSize.height;
927  }
928  // clean up 'auto' or other non-integer values
929  x = isNaN( x ) ? 0 : x;
930  y = isNaN( y ) ? 0 : y;
931  // remove padding from measurement
932  x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
933  y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;
934
935  this.position.x = x;
936  this.position.y = y;
937};
938
939// set settled position, apply padding
940proto.layoutPosition = function() {
941  var layoutSize = this.layout.size;
942  var style = {};
943  var isOriginLeft = this.layout._getOption('originLeft');
944  var isOriginTop = this.layout._getOption('originTop');
945
946  // x
947  var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
948  var xProperty = isOriginLeft ? 'left' : 'right';
949  var xResetProperty = isOriginLeft ? 'right' : 'left';
950
951  var x = this.position.x + layoutSize[ xPadding ];
952  // set in percentage or pixels
953  style[ xProperty ] = this.getXValue( x );
954  // reset other property
955  style[ xResetProperty ] = '';
956
957  // y
958  var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
959  var yProperty = isOriginTop ? 'top' : 'bottom';
960  var yResetProperty = isOriginTop ? 'bottom' : 'top';
961
962  var y = this.position.y + layoutSize[ yPadding ];
963  // set in percentage or pixels
964  style[ yProperty ] = this.getYValue( y );
965  // reset other property
966  style[ yResetProperty ] = '';
967
968  this.css( style );
969  this.emitEvent( 'layout', [ this ] );
970};
971
972proto.getXValue = function( x ) {
973  var isHorizontal = this.layout._getOption('horizontal');
974  return this.layout.options.percentPosition && !isHorizontal ?
975    ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
976};
977
978proto.getYValue = function( y ) {
979  var isHorizontal = this.layout._getOption('horizontal');
980  return this.layout.options.percentPosition && isHorizontal ?
981    ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
982};
983
984proto._transitionTo = function( x, y ) {
985  this.getPosition();
986  // get current x & y from top/left
987  var curX = this.position.x;
988  var curY = this.position.y;
989
990  var didNotMove = x == this.position.x && y == this.position.y;
991
992  // save end position
993  this.setPosition( x, y );
994
995  // if did not move and not transitioning, just go to layout
996  if ( didNotMove && !this.isTransitioning ) {
997    this.layoutPosition();
998    return;
999  }
1000
1001  var transX = x - curX;
1002  var transY = y - curY;
1003  var transitionStyle = {};
1004  transitionStyle.transform = this.getTranslate( transX, transY );
1005
1006  this.transition({
1007    to: transitionStyle,
1008    onTransitionEnd: {
1009      transform: this.layoutPosition
1010    },
1011    isCleaning: true
1012  });
1013};
1014
1015proto.getTranslate = function( x, y ) {
1016  // flip cooridinates if origin on right or bottom
1017  var isOriginLeft = this.layout._getOption('originLeft');
1018  var isOriginTop = this.layout._getOption('originTop');
1019  x = isOriginLeft ? x : -x;
1020  y = isOriginTop ? y : -y;
1021  return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
1022};
1023
1024// non transition + transform support
1025proto.goTo = function( x, y ) {
1026  this.setPosition( x, y );
1027  this.layoutPosition();
1028};
1029
1030proto.moveTo = proto._transitionTo;
1031
1032proto.setPosition = function( x, y ) {
1033  this.position.x = parseFloat( x );
1034  this.position.y = parseFloat( y );
1035};
1036
1037// ----- transition ----- //
1038
1039/**
1040 * @param {Object} style - CSS
1041 * @param {Function} onTransitionEnd
1042 */
1043
1044// non transition, just trigger callback
1045proto._nonTransition = function( args ) {
1046  this.css( args.to );
1047  if ( args.isCleaning ) {
1048    this._removeStyles( args.to );
1049  }
1050  for ( var prop in args.onTransitionEnd ) {
1051    args.onTransitionEnd[ prop ].call( this );
1052  }
1053};
1054
1055/**
1056 * proper transition
1057 * @param {Object} args - arguments
1058 *   @param {Object} to - style to transition to
1059 *   @param {Object} from - style to start transition from
1060 *   @param {Boolean} isCleaning - removes transition styles after transition
1061 *   @param {Function} onTransitionEnd - callback
1062 */
1063proto.transition = function( args ) {
1064  // redirect to nonTransition if no transition duration
1065  if ( !parseFloat( this.layout.options.transitionDuration ) ) {
1066    this._nonTransition( args );
1067    return;
1068  }
1069
1070  var _transition = this._transn;
1071  // keep track of onTransitionEnd callback by css property
1072  for ( var prop in args.onTransitionEnd ) {
1073    _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ];
1074  }
1075  // keep track of properties that are transitioning
1076  for ( prop in args.to ) {
1077    _transition.ingProperties[ prop ] = true;
1078    // keep track of properties to clean up when transition is done
1079    if ( args.isCleaning ) {
1080      _transition.clean[ prop ] = true;
1081    }
1082  }
1083
1084  // set from styles
1085  if ( args.from ) {
1086    this.css( args.from );
1087    // force redraw. http://blog.alexmaccaw.com/css-transitions
1088    var h = this.element.offsetHeight;
1089    // hack for JSHint to hush about unused var
1090    h = null;
1091  }
1092  // enable transition
1093  this.enableTransition( args.to );
1094  // set styles that are transitioning
1095  this.css( args.to );
1096
1097  this.isTransitioning = true;
1098
1099};
1100
1101// dash before all cap letters, including first for
1102// WebkitTransform => -webkit-transform
1103function toDashedAll( str ) {
1104  return str.replace( /([A-Z])/g, function( $1 ) {
1105    return '-' + $1.toLowerCase();
1106  });
1107}
1108
1109var transitionProps = 'opacity,' + toDashedAll( transformProperty );
1110
1111proto.enableTransition = function(/* style */) {
1112  // HACK changing transitionProperty during a transition
1113  // will cause transition to jump
1114  if ( this.isTransitioning ) {
1115    return;
1116  }
1117
1118  // make `transition: foo, bar, baz` from style object
1119  // HACK un-comment this when enableTransition can work
1120  // while a transition is happening
1121  // var transitionValues = [];
1122  // for ( var prop in style ) {
1123  //   // dash-ify camelCased properties like WebkitTransition
1124  //   prop = vendorProperties[ prop ] || prop;
1125  //   transitionValues.push( toDashedAll( prop ) );
1126  // }
1127  // munge number to millisecond, to match stagger
1128  var duration = this.layout.options.transitionDuration;
1129  duration = typeof duration == 'number' ? duration + 'ms' : duration;
1130  // enable transition styles
1131  this.css({
1132    transitionProperty: transitionProps,
1133    transitionDuration: duration,
1134    transitionDelay: this.staggerDelay || 0
1135  });
1136  // listen for transition end event
1137  this.element.addEventListener( transitionEndEvent, this, false );
1138};
1139
1140// ----- events ----- //
1141
1142proto.onwebkitTransitionEnd = function( event ) {
1143  this.ontransitionend( event );
1144};
1145
1146proto.onotransitionend = function( event ) {
1147  this.ontransitionend( event );
1148};
1149
1150// properties that I munge to make my life easier
1151var dashedVendorProperties = {
1152  '-webkit-transform': 'transform'
1153};
1154
1155proto.ontransitionend = function( event ) {
1156  // disregard bubbled events from children
1157  if ( event.target !== this.element ) {
1158    return;
1159  }
1160  var _transition = this._transn;
1161  // get property name of transitioned property, convert to prefix-free
1162  var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName;
1163
1164  // remove property that has completed transitioning
1165  delete _transition.ingProperties[ propertyName ];
1166  // check if any properties are still transitioning
1167  if ( isEmptyObj( _transition.ingProperties ) ) {
1168    // all properties have completed transitioning
1169    this.disableTransition();
1170  }
1171  // clean style
1172  if ( propertyName in _transition.clean ) {
1173    // clean up style
1174    this.element.style[ event.propertyName ] = '';
1175    delete _transition.clean[ propertyName ];
1176  }
1177  // trigger onTransitionEnd callback
1178  if ( propertyName in _transition.onEnd ) {
1179    var onTransitionEnd = _transition.onEnd[ propertyName ];
1180    onTransitionEnd.call( this );
1181    delete _transition.onEnd[ propertyName ];
1182  }
1183
1184  this.emitEvent( 'transitionEnd', [ this ] );
1185};
1186
1187proto.disableTransition = function() {
1188  this.removeTransitionStyles();
1189  this.element.removeEventListener( transitionEndEvent, this, false );
1190  this.isTransitioning = false;
1191};
1192
1193/**
1194 * removes style property from element
1195 * @param {Object} style
1196**/
1197proto._removeStyles = function( style ) {
1198  // clean up transition styles
1199  var cleanStyle = {};
1200  for ( var prop in style ) {
1201    cleanStyle[ prop ] = '';
1202  }
1203  this.css( cleanStyle );
1204};
1205
1206var cleanTransitionStyle = {
1207  transitionProperty: '',
1208  transitionDuration: '',
1209  transitionDelay: ''
1210};
1211
1212proto.removeTransitionStyles = function() {
1213  // remove transition
1214  this.css( cleanTransitionStyle );
1215};
1216
1217// ----- stagger ----- //
1218
1219proto.stagger = function( delay ) {
1220  delay = isNaN( delay ) ? 0 : delay;
1221  this.staggerDelay = delay + 'ms';
1222};
1223
1224// ----- show/hide/remove ----- //
1225
1226// remove element from DOM
1227proto.removeElem = function() {
1228  this.element.parentNode.removeChild( this.element );
1229  // remove display: none
1230  this.css({ display: '' });
1231  this.emitEvent( 'remove', [ this ] );
1232};
1233
1234proto.remove = function() {
1235  // just remove element if no transition support or no transition
1236  if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
1237    this.removeElem();
1238    return;
1239  }
1240
1241  // start transition
1242  this.once( 'transitionEnd', function() {
1243    this.removeElem();
1244  });
1245  this.hide();
1246};
1247
1248proto.reveal = function() {
1249  delete this.isHidden;
1250  // remove display: none
1251  this.css({ display: '' });
1252
1253  var options = this.layout.options;
1254
1255  var onTransitionEnd = {};
1256  var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
1257  onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd;
1258
1259  this.transition({
1260    from: options.hiddenStyle,
1261    to: options.visibleStyle,
1262    isCleaning: true,
1263    onTransitionEnd: onTransitionEnd
1264  });
1265};
1266
1267proto.onRevealTransitionEnd = function() {
1268  // check if still visible
1269  // during transition, item may have been hidden
1270  if ( !this.isHidden ) {
1271    this.emitEvent('reveal');
1272  }
1273};
1274
1275/**
1276 * get style property use for hide/reveal transition end
1277 * @param {String} styleProperty - hiddenStyle/visibleStyle
1278 * @returns {String}
1279 */
1280proto.getHideRevealTransitionEndProperty = function( styleProperty ) {
1281  var optionStyle = this.layout.options[ styleProperty ];
1282  // use opacity
1283  if ( optionStyle.opacity ) {
1284    return 'opacity';
1285  }
1286  // get first property
1287  for ( var prop in optionStyle ) {
1288    return prop;
1289  }
1290};
1291
1292proto.hide = function() {
1293  // set flag
1294  this.isHidden = true;
1295  // remove display: none
1296  this.css({ display: '' });
1297
1298  var options = this.layout.options;
1299
1300  var onTransitionEnd = {};
1301  var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
1302  onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd;
1303
1304  this.transition({
1305    from: options.visibleStyle,
1306    to: options.hiddenStyle,
1307    // keep hidden stuff hidden
1308    isCleaning: true,
1309    onTransitionEnd: onTransitionEnd
1310  });
1311};
1312
1313proto.onHideTransitionEnd = function() {
1314  // check if still hidden
1315  // during transition, item may have been un-hidden
1316  if ( this.isHidden ) {
1317    this.css({ display: 'none' });
1318    this.emitEvent('hide');
1319  }
1320};
1321
1322proto.destroy = function() {
1323  this.css({
1324    position: '',
1325    left: '',
1326    right: '',
1327    top: '',
1328    bottom: '',
1329    transition: '',
1330    transform: ''
1331  });
1332};
1333
1334return Item;
1335
1336}));
1337
1338/*!
1339 * Outlayer v2.1.1
1340 * the brains and guts of a layout library
1341 * MIT license
1342 */
1343
1344( function( window, factory ) {
1345  'use strict';
1346  // universal module definition
1347  /* jshint strict: false */ /* globals define, module, require */
1348  if ( typeof define == 'function' && define.amd ) {
1349    // AMD - RequireJS
1350    define( 'outlayer/outlayer',[
1351        'ev-emitter/ev-emitter',
1352        'get-size/get-size',
1353        'fizzy-ui-utils/utils',
1354        './item'
1355      ],
1356      function( EvEmitter, getSize, utils, Item ) {
1357        return factory( window, EvEmitter, getSize, utils, Item);
1358      }
1359    );
1360  } else if ( typeof module == 'object' && module.exports ) {
1361    // CommonJS - Browserify, Webpack
1362    module.exports = factory(
1363      window,
1364      require('ev-emitter'),
1365      require('get-size'),
1366      require('fizzy-ui-utils'),
1367      require('./item')
1368    );
1369  } else {
1370    // browser global
1371    window.Outlayer = factory(
1372      window,
1373      window.EvEmitter,
1374      window.getSize,
1375      window.fizzyUIUtils,
1376      window.Outlayer.Item
1377    );
1378  }
1379
1380}( window, function factory( window, EvEmitter, getSize, utils, Item ) {
1381'use strict';
1382
1383// ----- vars ----- //
1384
1385var console = window.console;
1386var jQuery = window.jQuery;
1387var noop = function() {};
1388
1389// -------------------------- Outlayer -------------------------- //
1390
1391// globally unique identifiers
1392var GUID = 0;
1393// internal store of all Outlayer intances
1394var instances = {};
1395
1396
1397/**
1398 * @param {Element, String} element
1399 * @param {Object} options
1400 * @constructor
1401 */
1402function Outlayer( element, options ) {
1403  var queryElement = utils.getQueryElement( element );
1404  if ( !queryElement ) {
1405    if ( console ) {
1406      console.error( 'Bad element for ' + this.constructor.namespace +
1407        ': ' + ( queryElement || element ) );
1408    }
1409    return;
1410  }
1411  this.element = queryElement;
1412  // add jQuery
1413  if ( jQuery ) {
1414    this.$element = jQuery( this.element );
1415  }
1416
1417  // options
1418  this.options = utils.extend( {}, this.constructor.defaults );
1419  this.option( options );
1420
1421  // add id for Outlayer.getFromElement
1422  var id = ++GUID;
1423  this.element.outlayerGUID = id; // expando
1424  instances[ id ] = this; // associate via id
1425
1426  // kick it off
1427  this._create();
1428
1429  var isInitLayout = this._getOption('initLayout');
1430  if ( isInitLayout ) {
1431    this.layout();
1432  }
1433}
1434
1435// settings are for internal use only
1436Outlayer.namespace = 'outlayer';
1437Outlayer.Item = Item;
1438
1439// default options
1440Outlayer.defaults = {
1441  containerStyle: {
1442    position: 'relative'
1443  },
1444  initLayout: true,
1445  originLeft: true,
1446  originTop: true,
1447  resize: true,
1448  resizeContainer: true,
1449  // item options
1450  transitionDuration: '0.4s',
1451  hiddenStyle: {
1452    opacity: 0,
1453    transform: 'scale(0.001)'
1454  },
1455  visibleStyle: {
1456    opacity: 1,
1457    transform: 'scale(1)'
1458  }
1459};
1460
1461var proto = Outlayer.prototype;
1462// inherit EvEmitter
1463utils.extend( proto, EvEmitter.prototype );
1464
1465/**
1466 * set options
1467 * @param {Object} opts
1468 */
1469proto.option = function( opts ) {
1470  utils.extend( this.options, opts );
1471};
1472
1473/**
1474 * get backwards compatible option value, check old name
1475 */
1476proto._getOption = function( option ) {
1477  var oldOption = this.constructor.compatOptions[ option ];
1478  return oldOption && this.options[ oldOption ] !== undefined ?
1479    this.options[ oldOption ] : this.options[ option ];
1480};
1481
1482Outlayer.compatOptions = {
1483  // currentName: oldName
1484  initLayout: 'isInitLayout',
1485  horizontal: 'isHorizontal',
1486  layoutInstant: 'isLayoutInstant',
1487  originLeft: 'isOriginLeft',
1488  originTop: 'isOriginTop',
1489  resize: 'isResizeBound',
1490  resizeContainer: 'isResizingContainer'
1491};
1492
1493proto._create = function() {
1494  // get items from children
1495  this.reloadItems();
1496  // elements that affect layout, but are not laid out
1497  this.stamps = [];
1498  this.stamp( this.options.stamp );
1499  // set container style
1500  utils.extend( this.element.style, this.options.containerStyle );
1501
1502  // bind resize method
1503  var canBindResize = this._getOption('resize');
1504  if ( canBindResize ) {
1505    this.bindResize();
1506  }
1507};
1508
1509// goes through all children again and gets bricks in proper order
1510proto.reloadItems = function() {
1511  // collection of item elements
1512  this.items = this._itemize( this.element.children );
1513};
1514
1515
1516/**
1517 * turn elements into Outlayer.Items to be used in layout
1518 * @param {Array or NodeList or HTMLElement} elems
1519 * @returns {Array} items - collection of new Outlayer Items
1520 */
1521proto._itemize = function( elems ) {
1522
1523  var itemElems = this._filterFindItemElements( elems );
1524  var Item = this.constructor.Item;
1525
1526  // create new Outlayer Items for collection
1527  var items = [];
1528  for ( var i=0; i < itemElems.length; i++ ) {
1529    var elem = itemElems[i];
1530    var item = new Item( elem, this );
1531    items.push( item );
1532  }
1533
1534  return items;
1535};
1536
1537/**
1538 * get item elements to be used in layout
1539 * @param {Array or NodeList or HTMLElement} elems
1540 * @returns {Array} items - item elements
1541 */
1542proto._filterFindItemElements = function( elems ) {
1543  return utils.filterFindElements( elems, this.options.itemSelector );
1544};
1545
1546/**
1547 * getter method for getting item elements
1548 * @returns {Array} elems - collection of item elements
1549 */
1550proto.getItemElements = function() {
1551  return this.items.map( function( item ) {
1552    return item.element;
1553  });
1554};
1555
1556// ----- init & layout ----- //
1557
1558/**
1559 * lays out all items
1560 */
1561proto.layout = function() {
1562  this._resetLayout();
1563  this._manageStamps();
1564
1565  // don't animate first layout
1566  var layoutInstant = this._getOption('layoutInstant');
1567  var isInstant = layoutInstant !== undefined ?
1568    layoutInstant : !this._isLayoutInited;
1569  this.layoutItems( this.items, isInstant );
1570
1571  // flag for initalized
1572  this._isLayoutInited = true;
1573};
1574
1575// _init is alias for layout
1576proto._init = proto.layout;
1577
1578/**
1579 * logic before any new layout
1580 */
1581proto._resetLayout = function() {

1582  this.getSize();
1583};
1584
1585
1586proto.getSize = function() {
1587  this.size = getSize( this.element );
1588};
1589
1590/**
1591 * get measurement from option, for columnWidth, rowHeight, gutter
1592 * if option is String -> get element from selector string, & get size of element
1593 * if option is Element -> get size of element
1594 * else use option as a number
1595 *
1596 * @param {String} measurement
1597 * @param {String} size - width or height
1598 * @private
1599 */
1600proto._getMeasurement = function( measurement, size ) {
1601  var option = this.options[ measurement ];
1602  var elem;
1603  if ( !option ) {
1604    // default to 0
1605    this[ measurement ] = 0;
1606  } else {
1607    // use option as an element
1608    if ( typeof option == 'string' ) {
1609      elem = this.element.querySelector( option );
1610    } else if ( option instanceof HTMLElement ) {
1611      elem = option;
1612    }
1613    // use size of element, if element
1614    this[ measurement ] = elem ? getSize( elem )[ size ] : option;
1615  }
1616};
1617
1618/**
1619 * layout a collection of item elements
1620 * @api public
1621 */
1622proto.layoutItems = function( items, isInstant ) {
1623  items = this._getItemsForLayout( items );
1624
1625  this._layoutItems( items, isInstant );
1626
1627  this._postLayout();
1628};
1629
1630/**
1631 * get the items to be laid out
1632 * you may want to skip over some items
1633 * @param {Array} items
1634 * @returns {Array} items
1635 */
1636proto._getItemsForLayout = function( items ) {
1637  return items.filter( function( item ) {
1638    return !item.isIgnored;
1639  });
1640};
1641
1642/**
1643 * layout items
1644 * @param {Array} items
1645 * @param {Boolean} isInstant
1646 */
1647proto._layoutItems = function( items, isInstant ) {
1648  this._emitCompleteOnItems( 'layout', items );
1649
1650  if ( !items || !items.length ) {
1651    // no items, emit event with empty array
1652    return;
1653  }
1654
1655  var queue = [];
1656
1657  items.forEach( function( item ) {
1658    // get x/y object from method
1659    var position = this._getItemLayoutPosition( item );
1660    // enqueue
1661    position.item = item;
1662    position.isInstant = isInstant || item.isLayoutInstant;
1663    queue.push( position );
1664  }, this );
1665
1666  this._processLayoutQueue( queue );
1667};
1668
1669/**
1670 * get item layout position
1671 * @param {Outlayer.Item} item
1672 * @returns {Object} x and y position
1673 */
1674proto._getItemLayoutPosition = function( /* item */ ) {
1675  return {
1676    x: 0,
1677    y: 0
1678  };
1679};
1680
1681/**
1682 * iterate over array and position each item
1683 * Reason being - separating this logic prevents 'layout invalidation'
1684 * thx @paul_irish
1685 * @param {Array} queue
1686 */
1687proto._processLayoutQueue = function( queue ) {
1688  this.updateStagger();
1689  queue.forEach( function( obj, i ) {
1690    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i );
1691  }, this );
1692};
1693
1694// set stagger from option in milliseconds number
1695proto.updateStagger = function() {
1696  var stagger = this.options.stagger;
1697  if ( stagger === null || stagger === undefined ) {
1698    this.stagger = 0;
1699    return;
1700  }
1701  this.stagger = getMilliseconds( stagger );
1702  return this.stagger;
1703};
1704
1705/**
1706 * Sets position of item in DOM
1707 * @param {Outlayer.Item} item
1708 * @param {Number} x - horizontal position
1709 * @param {Number} y - vertical position
1710 * @param {Boolean} isInstant - disables transitions
1711 */
1712proto._positionItem = function( item, x, y, isInstant, i ) {
1713  if ( isInstant ) {
1714    // if not transition, just set CSS
1715    item.goTo( x, y );
1716  } else {
1717    item.stagger( i * this.stagger );
1718    item.moveTo( x, y );
1719  }
1720};
1721
1722/**
1723 * Any logic you want to do after each layout,
1724 * i.e. size the container
1725 */
1726proto._postLayout = function() {
1727  this.resizeContainer();
1728};
1729
1730proto.resizeContainer = function() {
1731  var isResizingContainer = this._getOption('resizeContainer');
1732  if ( !isResizingContainer ) {
1733    return;
1734  }
1735  var size = this._getContainerSize();
1736  if ( size ) {
1737    this._setContainerMeasure( size.width, true );
1738    this._setContainerMeasure( size.height, false );
1739  }
1740};
1741
1742/**
1743 * Sets width or height of container if returned
1744 * @returns {Object} size
1745 *   @param {Number} width
1746 *   @param {Number} height
1747 */
1748proto._getContainerSize = noop;
1749
1750/**
1751 * @param {Number} measure - size of width or height
1752 * @param {Boolean} isWidth
1753 */
1754proto._setContainerMeasure = function( measure, isWidth ) {
1755  if ( measure === undefined ) {
1756    return;
1757  }
1758
1759  var elemSize = this.size;
1760  // add padding and border width if border box
1761  if ( elemSize.isBorderBox ) {
1762    measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
1763      elemSize.borderLeftWidth + elemSize.borderRightWidth :
1764      elemSize.paddingBottom + elemSize.paddingTop +
1765      elemSize.borderTopWidth + elemSize.borderBottomWidth;
1766  }
1767
1768  measure = Math.max( measure, 0 );
1769  this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px';
1770};
1771
1772/**
1773 * emit eventComplete on a collection of items events
1774 * @param {String} eventName
1775 * @param {Array} items - Outlayer.Items
1776 */
1777proto._emitCompleteOnItems = function( eventName, items ) {
1778  var _this = this;
1779  function onComplete() {
1780    _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
1781  }
1782
1783  var count = items.length;
1784  if ( !items || !count ) {
1785    onComplete();
1786    return;
1787  }
1788
1789  var doneCount = 0;
1790  function tick() {
1791    doneCount++;
1792    if ( doneCount == count ) {
1793      onComplete();
1794    }
1795  }
1796
1797  // bind callback
1798  items.forEach( function( item ) {
1799    item.once( eventName, tick );
1800  });
1801};
1802
1803/**
1804 * emits events via EvEmitter and jQuery events
1805 * @param {String} type - name of event
1806 * @param {Event} event - original event
1807 * @param {Array} args - extra arguments
1808 */
1809proto.dispatchEvent = function( type, event, args ) {
1810  // add original event to arguments
1811  var emitArgs = event ? [ event ].concat( args ) : args;
1812  this.emitEvent( type, emitArgs );
1813
1814  if ( jQuery ) {
1815    // set this.$element
1816    this.$element = this.$element || jQuery( this.element );
1817    if ( event ) {
1818      // create jQuery event
1819      var $event = jQuery.Event( event );
1820      $event.type = type;
1821      this.$element.trigger( $event, args );
1822    } else {
1823      // just trigger with type if no event available
1824      this.$element.trigger( type, args );
1825    }
1826  }
1827};
1828
1829// -------------------------- ignore & stamps -------------------------- //
1830
1831
1832/**
1833 * keep item in collection, but do not lay it out
1834 * ignored items do not get skipped in layout
1835 * @param {Element} elem
1836 */
1837proto.ignore = function( elem ) {
1838  var item = this.getItem( elem );
1839  if ( item ) {
1840    item.isIgnored = true;
1841  }
1842};
1843
1844/**
1845 * return item to layout collection
1846 * @param {Element} elem
1847 */
1848proto.unignore = function( elem ) {
1849  var item = this.getItem( elem );
1850  if ( item ) {
1851    delete item.isIgnored;
1852  }
1853};
1854
1855/**
1856 * adds elements to stamps
1857 * @param {NodeList, Array, Element, or String} elems
1858 */
1859proto.stamp = function( elems ) {
1860  elems = this._find( elems );
1861  if ( !elems ) {
1862    return;
1863  }
1864
1865  this.stamps = this.stamps.concat( elems );
1866  // ignore
1867  elems.forEach( this.ignore, this );
1868};
1869
1870/**
1871 * removes elements to stamps
1872 * @param {NodeList, Array, or Element} elems
1873 */
1874proto.unstamp = function( elems ) {
1875  elems = this._find( elems );
1876  if ( !elems ){
1877    return;
1878  }
1879
1880  elems.forEach( function( elem ) {
1881    // filter out removed stamp elements
1882    utils.removeFrom( this.stamps, elem );
1883    this.unignore( elem );
1884  }, this );
1885};
1886
1887/**
1888 * finds child elements
1889 * @param {NodeList, Array, Element, or String} elems
1890 * @returns {Array} elems
1891 */
1892proto._find = function( elems ) {
1893  if ( !elems ) {
1894    return;
1895  }
1896  // if string, use argument as selector string
1897  if ( typeof elems == 'string' ) {
1898    elems = this.element.querySelectorAll( elems );
1899  }
1900  elems = utils.makeArray( elems );
1901  return elems;
1902};
1903
1904proto._manageStamps = function() {
1905  if ( !this.stamps || !this.stamps.length ) {
1906    return;
1907  }
1908
1909  this._getBoundingRect();
1910
1911  this.stamps.forEach( this._manageStamp, this );
1912};
1913
1914// update boundingLeft / Top
1915proto._getBoundingRect = function() {
1916  // get bounding rect for container element
1917  var boundingRect = this.element.getBoundingClientRect();
1918  var size = this.size;
1919  this._boundingRect = {
1920    left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
1921    top: boundingRect.top + size.paddingTop + size.borderTopWidth,
1922    right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
1923    bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
1924  };
1925};
1926
1927/**
1928 * @param {Element} stamp
1929**/
1930proto._manageStamp = noop;
1931
1932/**
1933 * get x/y position of element relative to container element
1934 * @param {Element} elem
1935 * @returns {Object} offset - has left, top, right, bottom
1936 */
1937proto._getElementOffset = function( elem ) {
1938  var boundingRect = elem.getBoundingClientRect();
1939  var thisRect = this._boundingRect;
1940  var size = getSize( elem );
1941  var offset = {
1942    left: boundingRect.left - thisRect.left - size.marginLeft,
1943    top: boundingRect.top - thisRect.top - size.marginTop,
1944    right: thisRect.right - boundingRect.right - size.marginRight,
1945    bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
1946  };
1947  return offset;
1948};
1949
1950// -------------------------- resize -------------------------- //
1951
1952// enable event handlers for listeners
1953// i.e. resize -> onresize
1954proto.handleEvent = utils.handleEvent;
1955
1956/**
1957 * Bind layout to window resizing
1958 */
1959proto.bindResize = function() {
1960  window.addEventListener( 'resize', this );
1961  this.isResizeBound = true;
1962};
1963
1964/**
1965 * Unbind layout to window resizing
1966 */
1967proto.unbindResize = function() {
1968  window.removeEventListener( 'resize', this );
1969  this.isResizeBound = false;
1970};
1971
1972proto.onresize = function() {
1973  this.resize();
1974};
1975
1976utils.debounceMethod( Outlayer, 'onresize', 100 );
1977
1978proto.resize = function() {
1979  // don't trigger if size did not change
1980  // or if resize was unbound. See #9
1981  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
1982    return;
1983  }
1984
1985  this.layout();
1986};
1987
1988/**
1989 * check if layout is needed post layout
1990 * @returns Boolean
1991 */
1992proto.needsResizeLayout = function() {
1993  var size = getSize( this.element );
1994  // check that this.size and size are there
1995  // IE8 triggers resize on body size change, so they might not be
1996  var hasSizes = this.size && size;
1997  return hasSizes && size.innerWidth !== this.size.innerWidth;
1998};
1999
2000// -------------------------- methods -------------------------- //
2001
2002/**
2003 * add items to Outlayer instance
2004 * @param {Array or NodeList or Element} elems
2005 * @returns {Array} items - Outlayer.Items
2006**/
2007proto.addItems = function( elems ) {
2008  var items = this._itemize( elems );
2009  // add items to collection
2010  if ( items.length ) {
2011    this.items = this.items.concat( items );
2012  }
2013  return items;
2014};
2015
2016/**
2017 * Layout newly-appended item elements
2018 * @param {Array or NodeList or Element} elems
2019 */
2020proto.appended = function( elems ) {
2021  var items = this.addItems( elems );
2022  if ( !items.length ) {
2023    return;
2024  }
2025  // layout and reveal just the new items
2026  this.layoutItems( items, true );
2027  this.reveal( items );
2028};
2029
2030/**
2031 * Layout prepended elements
2032 * @param {Array or NodeList or Element} elems
2033 */
2034proto.prepended = function( elems ) {
2035  var items = this._itemize( elems );
2036  if ( !items.length ) {
2037    return;
2038  }
2039  // add items to beginning of collection
2040  var previousItems = this.items.slice(0);
2041  this.items = items.concat( previousItems );
2042  // start new layout
2043  this._resetLayout();
2044  this._manageStamps();
2045  // layout new stuff without transition
2046  this.layoutItems( items, true );
2047  this.reveal( items );
2048  // layout previous items
2049  this.layoutItems( previousItems );
2050};
2051
2052/**
2053 * reveal a collection of items
2054 * @param {Array of Outlayer.Items} items
2055 */
2056proto.reveal = function( items ) {
2057  this._emitCompleteOnItems( 'reveal', items );
2058  if ( !items || !items.length ) {
2059    return;
2060  }
2061  var stagger = this.updateStagger();
2062  items.forEach( function( item, i ) {
2063    item.stagger( i * stagger );
2064    item.reveal();
2065  });
2066};
2067
2068/**
2069 * hide a collection of items
2070 * @param {Array of Outlayer.Items} items
2071 */
2072proto.hide = function( items ) {
2073  this._emitCompleteOnItems( 'hide', items );
2074  if ( !items || !items.length ) {
2075    return;
2076  }
2077  var stagger = this.updateStagger();
2078  items.forEach( function( item, i ) {
2079    item.stagger( i * stagger );
2080    item.hide();
2081  });
2082};
2083
2084/**
2085 * reveal item elements
2086 * @param {Array}, {Element}, {NodeList} items
2087 */
2088proto.revealItemElements = function( elems ) {
2089  var items = this.getItems( elems );
2090  this.reveal( items );
2091};
2092
2093/**
2094 * hide item elements
2095 * @param {Array}, {Element}, {NodeList} items
2096 */
2097proto.hideItemElements = function( elems ) {
2098  var items = this.getItems( elems );
2099  this.hide( items );
2100};
2101
2102/**
2103 * get Outlayer.Item, given an Element
2104 * @param {Element} elem
2105 * @param {Function} callback
2106 * @returns {Outlayer.Item} item
2107 */
2108proto.getItem = function( elem ) {
2109  // loop through items to get the one that matches
2110  for ( var i=0; i < this.items.length; i++ ) {
2111    var item = this.items[i];
2112    if ( item.element == elem ) {
2113      // return item
2114      return item;
2115    }
2116  }
2117};
2118
2119/**
2120 * get collection of Outlayer.Items, given Elements
2121 * @param {Array} elems
2122 * @returns {Array} items - Outlayer.Items
2123 */
2124proto.getItems = function( elems ) {
2125  elems = utils.makeArray( elems );
2126  var items = [];
2127  elems.forEach( function( elem ) {
2128    var item = this.getItem( elem );
2129    if ( item ) {
2130      items.push( item );
2131    }
2132  }, this );
2133
2134  return items;
2135};
2136
2137/**
2138 * remove element(s) from instance and DOM
2139 * @param {Array or NodeList or Element} elems
2140 */
2141proto.remove = function( elems ) {
2142  var removeItems = this.getItems( elems );
2143
2144  this._emitCompleteOnItems( 'remove', removeItems );
2145
2146  // bail if no items to remove
2147  if ( !removeItems || !removeItems.length ) {
2148    return;
2149  }
2150
2151  removeItems.forEach( function( item ) {
2152    item.remove();
2153    // remove item from collection
2154    utils.removeFrom( this.items, item );
2155  }, this );
2156};
2157
2158// ----- destroy ----- //
2159
2160// remove and disable Outlayer instance
2161proto.destroy = function() {
2162  // clean up dynamic styles
2163  var style = this.element.style;
2164  style.height = '';
2165  style.position = '';
2166  style.width = '';
2167  // destroy items
2168  this.items.forEach( function( item ) {
2169    item.destroy();
2170  });
2171
2172  this.unbindResize();
2173
2174  var id = this.element.outlayerGUID;
2175  delete instances[ id ]; // remove reference to instance by id
2176  delete this.element.outlayerGUID;
2177  // remove data for jQuery
2178  if ( jQuery ) {
2179    jQuery.removeData( this.element, this.constructor.namespace );
2180  }
2181
2182};
2183
2184// -------------------------- data -------------------------- //
2185
2186/**
2187 * get Outlayer instance from element
2188 * @param {Element} elem
2189 * @returns {Outlayer}
2190 */
2191Outlayer.data = function( elem ) {
2192  elem = utils.getQueryElement( elem );
2193  var id = elem && elem.outlayerGUID;
2194  return id && instances[ id ];
2195};
2196
2197
2198// -------------------------- create Outlayer class -------------------------- //
2199
2200/**
2201 * create a layout class
2202 * @param {String} namespace
2203 */
2204Outlayer.create = function( namespace, options ) {
2205  // sub-class Outlayer
2206  var Layout = subclass( Outlayer );
2207  // apply new options and compatOptions
2208  Layout.defaults = utils.extend( {}, Outlayer.defaults );
2209  utils.extend( Layout.defaults, options );
2210  Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions  );
2211
2212  Layout.namespace = namespace;
2213
2214  Layout.data = Outlayer.data;
2215
2216  // sub-class Item
2217  Layout.Item = subclass( Item );
2218
2219  // -------------------------- declarative -------------------------- //
2220
2221  utils.htmlInit( Layout, namespace );
2222
2223  // -------------------------- jQuery bridge -------------------------- //
2224
2225  // make into jQuery plugin
2226  if ( jQuery && jQuery.bridget ) {
2227    jQuery.bridget( namespace, Layout );
2228  }
2229
2230  return Layout;
2231};
2232
2233function subclass( Parent ) {
2234  function SubClass() {
2235    Parent.apply( this, arguments );
2236  }
2237
2238  SubClass.prototype = Object.create( Parent.prototype );
2239  SubClass.prototype.constructor = SubClass;
2240
2241  return SubClass;
2242}
2243
2244// ----- helpers ----- //
2245
2246// how many milliseconds are in each unit
2247var msUnits = {
2248  ms: 1,
2249  s: 1000
2250};
2251
2252// munge time-like parameter into millisecond number
2253// '0.4s' -> 40
2254function getMilliseconds( time ) {
2255  if ( typeof time == 'number' ) {
2256    return time;
2257  }
2258  var matches = time.match( /(^\d*\.?\d*)(\w*)/ );
2259  var num = matches && matches[1];
2260  var unit = matches && matches[2];
2261  if ( !num.length ) {
2262    return 0;
2263  }
2264  num = parseFloat( num );
2265  var mult = msUnits[ unit ] || 1;
2266  return num * mult;
2267}
2268
2269// ----- fin ----- //
2270
2271// back in global
2272Outlayer.Item = Item;
2273
2274return Outlayer;
2275
2276}));
2277
2278/**
2279 * 

2279Isotope Item
2280**/
2281
2282( function( window, factory ) {
2283  // universal module definition
2284  /* jshint strict: false */ /*globals define, module, require */
2285  if ( typeof define == 'function' && define.amd ) {
2286    // AMD
2287    define( 'isotope-layout/js/item',[
2288        'outlayer/outlayer'
2289      ],
2290      factory );
2291  } else if ( typeof module == 'object' && module.exports ) {
2292    // CommonJS
2293    module.exports = factory(
2294      require('outlayer')
2295    );
2296  } else {
2297    // browser global
2298    window.Isotope = window.Isotope || {};
2299    window.Isotope.Item = factory(
2300      window.Outlayer
2301    );
2302  }
2303
2304}( window, function factory( Outlayer ) {
2305'use strict';
2306
2307// -------------------------- Item -------------------------- //
2308
2309// sub-class Outlayer Item
2310function Item() {
2311  Outlayer.Item.apply( this, arguments );
2312}
2313
2314var proto = Item.prototype = Object.create( Outlayer.Item.prototype );
2315
2316var _create = proto._create;
2317proto._create = function() {
2318  // assign id, used for original-order sorting
2319  this.id = this.layout.itemGUID++;
2320  _create.call( this );
2321  this.sortData = {};
2322};
2323
2324proto.updateSortData = function() {
2325  if ( this.isIgnored ) {
2326    return;
2327  }
2328  // default sorters
2329  this.sortData.id = this.id;
2330  // for backward compatibility
2331  this.sortData['original-order'] = this.id;
2332  this.sortData.random = Math.random();
2333  // go thru getSortData obj and apply the sorters
2334  var getSortData = this.layout.options.getSortData;
2335  var sorters = this.layout._sorters;
2336  for ( var key in getSortData ) {
2337    var sorter = sorters[ key ];
2338    this.sortData[ key ] = sorter( this.element, this );
2339  }
2340};
2341
2342var _destroy = proto.destroy;
2343proto.destroy = function() {
2344  // call super
2345  _destroy.apply( this, arguments );
2346  // reset display, #741
2347  this.css({
2348    display: ''
2349  });
2350};
2351
2352return Item;
2353
2354}));
2355
2356/**
2357 * Isotope LayoutMode
2358 */
2359
2360( function( window, factory ) {
2361  // universal module definition
2362  /* jshint strict: false */ /*globals define, module, require */
2363  if ( typeof define == 'function' && define.amd ) {
2364    // AMD
2365    define( 'isotope-layout/js/layout-mode',[
2366        'get-size/get-size',
2367        'outlayer/outlayer'
2368      ],
2369      factory );
2370  } else if ( typeof module == 'object' && module.exports ) {
2371    // CommonJS
2372    module.exports = factory(
2373      require('get-size'),
2374      require('outlayer')
2375    );
2376  } else {
2377    // browser global
2378    window.Isotope = window.Isotope || {};
2379    window.Isotope.LayoutMode = factory(
2380      window.getSize,
2381      window.Outlayer
2382    );
2383  }
2384
2385}( window, function factory( getSize, Outlayer ) {
2386  'use strict';
2387
2388  // layout mode class
2389  function LayoutMode( isotope ) {
2390    this.isotope = isotope;
2391    // link properties
2392    if ( isotope ) {
2393      this.options = isotope.options[ this.namespace ];
2394      this.element = isotope.element;
2395      this.items = isotope.filteredItems;
2396      this.size = isotope.size;
2397    }
2398  }
2399
2400  var proto = LayoutMode.prototype;
2401
2402  /**
2403   * some methods should just defer to default Outlayer method
2404

2405
2406   * and reference the Isotope instance as `this`
2407  **/
2408  var facadeMethods = [
2409    '_resetLayout',
2410    '_getItemLayoutPosition',
2411    '_manageStamp',
2412    '_getContainerSize',
2413    '_getElementOffset',
2414    'needsResizeLayout',
2415    '_getOption'
2416  ];
2417
2418  facadeMethods.forEach( function( methodName ) {
2419    proto[ methodName ] = function() {
2420      return Outlayer.prototype[ methodName ].apply( this.isotope, arguments );
2421    };
2422  });
2423
2424  // -----  ----- //
2425
2426  // for horizontal layout modes, check vertical size
2427  proto.needsVerticalResizeLayout = function() {
2428    // don't trigger if size did not change
2429    var size = getSize( this.isotope.element );
2430    // check that this.size and size are there
2431    // IE8 triggers resize on body size change, so they might not be
2432    var hasSizes = this.isotope.size && size;
2433    return hasSizes && size.innerHeight != this.isotope.size.innerHeight;
2434  };
2435
2436  // ----- measurements ----- //
2437
2438  proto._getMeasurement = function() {
2439    this.isotope._getMeasurement.apply( this, arguments );
2440  };
2441
2442  proto.getColumnWidth = function() {
2443    this.getSegmentSize( 'column', 'Width' );
2444  };
2445
2446  proto.getRowHeight = function() {
2447    this.getSegmentSize( 'row', 'Height' );
2448  };
2449
2450  /**
2451   * get columnWidth or rowHeight
2452   * segment: 'column' or 'row'
2453   * size 'Width' or 'Height'
2454  **/
2455  proto.getSegmentSize = function( segment, size ) {
2456    var segmentName = segment + size;
2457    var outerSize = 'outer' + size;
2458    // columnWidth / outerWidth // rowHeight / outerHeight
2459    this._getMeasurement( segmentName, outerSize );
2460    // got rowHeight or columnWidth, we can chill
2461    if ( this[ segmentName ] ) {
2462      return;
2463    }
2464    // fall back to item of first element
2465    var firstItemSize = this.getFirstItemSize();
2466    this[ segmentName ] = firstItemSize && firstItemSize[ outerSize ] ||
2467      // or size of container
2468      this.isotope.size[ 'inner' + size ];
2469  };
2470
2471  proto.getFirstItemSize = function() {
2472    var firstItem = this.isotope.filteredItems[0];
2473    return firstItem && firstItem.element && getSize( firstItem.element );
2474  };
2475
2476  // ----- methods that should reference isotope ----- //
2477
2478  proto.layout = function() {
2479    this.isotope.layout.apply( this.isotope, arguments );
2480  };
2481
2482  proto.getSize = function() {
2483    this.isotope.getSize();
2484    this.size = this.isotope.size;
2485  };
2486
2487  // -------------------------- create -------------------------- //
2488
2489  LayoutMode.modes = {};
2490
2491  LayoutMode.create = function( namespace, options ) {
2492
2493    function Mode() {
2494      LayoutMode.apply( this, arguments );
2495    }
2496
2497    Mode.prototype = Object.create( proto );
2498    Mode.prototype.constructor = Mode;
2499
2500    // default options
2501    if ( options ) {
2502      Mode.options = options;
2503    }
2504
2505    Mode.prototype.namespace = namespace;
2506    // register in Isotope
2507    LayoutMode.modes[ namespace ] = Mode;
2508
2509    return Mode;
2510  };
2511
2512  return LayoutMode;
2513
2514}));
2515
2516/*!
2517 * Masonry v4.2.1
2518 * Cascading grid layout library
2519 * https://masonry.desandro.com
2520 * MIT License
2521 * by David DeSandro
2522 */
2523
2524( function( window, factory ) {
2525  // universal module definition
2526  /* jshint strict: false */ /*globals define, module, require */
2527  if ( typeof define == 'function' && define.amd ) {
2528    // AMD
2529    define( 'masonry-layout/masonry',[
2530        'outlayer/outlayer',
2531        'get-size/get-size'
2532      ],
2533      factory );
2534  } else if ( typeof module == 'object' && module.exports ) {
2535    // CommonJS
2536    module.exports = factory(
2537      require('outlayer'),
2538      require('get-size')
2539    );
2540  } else {
2541    // browser global
2542    window.Masonry = factory(
2543      window.Outlayer,
2544      window.getSize
2545    );
2546  }
2547
2548}( window, function factory( Outlayer, getSize ) {
2549
2550
2551
2552// -------------------------- masonryDefinition -------------------------- //
2553
2554  // create an Outlayer layout class
2555  var Masonry = Outlayer.create('masonry');
2556  // isFitWidth -> fitWidth
2557  Masonry.compatOptions.fitWidth = 'isFitWidth';
2558
2559  var proto = Masonry.prototype;
2560
2561  proto._resetLayout = function() {
2562    this.getSize();
2563    this._getMeasurement( 'columnWidth', 'outerWidth' );
2564    this._getMeasurement( 'gutter', 'outerWidth' );
2565    this.measureColumns();
2566
2567    // reset column Y
2568    this.colYs = [];
2569    for ( var i=0; i < this.cols; i++ ) {
2570      this.colYs.push( 0 );
2571    }
2572
2573    this.maxY = 0;
2574    this.horizontalColIndex = 0;
2575  };
2576
2577  proto.measureColumns = function() {
2578    this.getContainerWidth();
2579    // if columnWidth is 0, default to outerWidth of first item
2580    if ( !this.columnWidth ) {
2581      var firstItem = this.items[0];
2582      var firstItemElem = firstItem && firstItem.element;
2583      // columnWidth fall back to item of first element
2584      this.columnWidth = firstItemElem && getSize( firstItemElem ).outerWidth ||
2585        // if first elem has no width, default to size of container
2586        this.containerWidth;
2587    }
2588
2589    var columnWidth = this.columnWidth += this.gutter;
2590
2591    // calculate columns
2592    var containerWidth = this.containerWidth + this.gutter;
2593    var cols = containerWidth / columnWidth;
2594    // fix rounding errors, typically with gutters
2595    var excess = columnWidth - containerWidth % columnWidth;
2596    // if overshoot is less than a pixel, round up, otherwise floor it
2597    var mathMethod = excess && excess < 1 ? 'round' : 'floor';
2598    cols = Math[ mathMethod ]( cols );
2599    this.cols = Math.max( cols, 1 );
2600  };
2601
2602  proto.getContainerWidth = function() {
2603    // container is parent if fit width
2604    var isFitWidth = this._getOption('fitWidth');
2605    var container = isFitWidth ? this.element.parentNode : this.element;
2606    // check that this.size and size are there
2607    // IE8 triggers resize on body size change, so they might not be
2608    var size = getSize( container );
2609    this.containerWidth = size && size.innerWidth;
2610  };
2611
2612  proto._getItemLayoutPosition = function( item ) {
2613    item.getSize();
2614    // how many columns does this brick span
2615    var remainder = item.size.outerWidth % this.columnWidth;
2616    var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
2617    // round if off by 1 pixel, otherwise use ceil
2618    var colSpan = Math[ mathMethod ]( item.size.outerWidth / this.columnWidth );
2619    colSpan = Math.min( colSpan, this.cols );
2620    // use horizontal or top column position
2621    var colPosMethod = this.options.horizontalOrder ?
2622      '_getHorizontalColPosition' : '_getTopColPosition';
2623    var colPosition = this[ colPosMethod ]( colSpan, item );
2624    // position the brick
2625    var position = {
2626      x: this.columnWidth * colPosition.col,
2627      y: colPosition.y
2628    };
2629    // apply setHeight to necessary columns
2630    var setHeight = colPosition.y + item.size.outerHeight;
2631    var setMax = colSpan + colPosition.col;
2632    for ( var i = colPosition.col; i < setMax; i++ ) {
2633      this.colYs[i] = setHeight;
2634    }
2635
2636    return position;
2637  };
2638
2639  proto._getTopColPosition = function( colSpan ) {
2640    var colGroup = this._getTopColGroup( colSpan );
2641    // get the minimum Y value from the columns
2642    var minimumY = Math.min.apply( Math, colGroup );
2643
2644    return {
2645      col: colGroup.indexOf( minimumY ),
2646      y: minimumY,
2647    };
2648  };
2649
2650  /**
2651   * @param {Number} colSpan - number of columns the element spans
2652   * @returns {Array} colGroup
2653   */
2654  proto._getTopColGroup = function( colSpan ) {
2655    if ( colSpan < 2 ) {
2656      // if brick spans only one column, use all the column Ys
2657      return this.colYs;
2658    }
2659
2660    var colGroup = [];
2661    // how many different places could this brick fit horizontally
2662    var groupCount = this.cols + 1 - colSpan;
2663    // for each group potential horizontal position
2664    for ( var i = 0; i < groupCount; i++ ) {
2665      colGroup[i] = this._getColGroupY( i, colSpan );
2666    }
2667    return colGroup;
2668  };
2669
2670  proto._getColGroupY = function( col, colSpan ) {
2671    if ( colSpan < 2 ) {
2672      return this.colYs[ col ];
2673    }
2674    // make an array of colY values for that one group
2675    var groupColYs = this.colYs.slice( col, col + colSpan );
2676    // and get the max value of the array
2677    return Math.max.apply( Math, groupColYs );
2678  };
2679
2680  // get column position based on horizontal index. #873
2681  proto._getHorizontalColPosition = function( colSpan, item ) {
2682    var col = this.horizontalColIndex % this.cols;
2683    var isOver = colSpan > 1 && col + colSpan > this.cols;
2684    // shift to next row if item can't fit on current row
2685    col = isOver ? 0 : col;
2686    // don't let zero-size items take up space
2687    var hasSize = item.size.outerWidth && item.size.outerHeight;
2688    this.horizontalColIndex = hasSize ? col + colSpan : this.horizontalColIndex;
2689
2690    return {
2691      col: col,
2692      y: this._getColGroupY( col, colSpan ),
2693    };
2694  };
2695
2696  proto._manageStamp = function( stamp ) {
2697    var stampSize = getSize( stamp );
2698    var offset = this._getElementOffset( stamp );
2699    // get the columns that this stamp affects
2700    var isOriginLeft = this._getOption('originLeft');
2701    var firstX = isOriginLeft ? offset.left : offset.right;
2702    var lastX = firstX + stampSize.outerWidth;
2703    var firstCol = Math.floor( firstX / this.columnWidth );
2704    firstCol = Math.max( 0, firstCol );
2705    var lastCol = Math.floor( lastX / this.columnWidth );
2706    // lastCol should not go over if multiple of columnWidth #425
2707    lastCol -= lastX % this.columnWidth ? 0 : 1;
2708    lastCol = Math.min( this.cols - 1, lastCol );
2709    // set colYs to bottom of the stamp
2710
2711    var isOriginTop = this._getOption('originTop');
2712    var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) +
2713      stampSize.outerHeight;
2714    for ( var i = firstCol; i <= lastCol; i++ ) {
2715      this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
2716    }
2717  };
2718
2719  proto._getContainerSize = function() {
2720    this.maxY = Math.max.apply( Math, this.colYs );
2721    var size = {
2722      height: this.maxY
2723    };
2724
2725    if ( this._getOption('fitWidth') ) {
2726      size.width = this._getContainerFitWidth();
2727    }
2728
2729    return size;
2730  };
2731
2732  proto._getContainerFitWidth = function() {
2733    var unusedCols = 0;
2734    // count unused columns
2735    var i = this.cols;
2736    while ( --i ) {
2737      if ( this.colYs[i] !== 0 ) {
2738        break;
2739      }
2740      unusedCols++;
2741    }
2742    // fit container to columns that have been used
2743    return ( this.cols - unusedCols ) * this.columnWidth - this.gutter;
2744  };
2745
2746  proto.needsResizeLayout = function() {
2747    var previousWidth = this.containerWidth;
2748    this.getContainerWidth();
2749    return previousWidth != this.containerWidth;
2750  };
2751
2752  return Masonry;
2753
2754}));
2755
2756/*!
2757 * Masonry layout mode
2758 * sub-classes Masonry
2759 * https://masonry.desandro.com
2760 */
2761
2762( function( window, factory ) {
2763  // universal module definition
2764  /* jshint strict: false */ /*globals define, module, require */
2765  if ( typeof define == 'function' && define.amd ) {
2766    // AMD
2767    define( 'isotope-layout/js/layout-modes/masonry',[
2768        '../layout-mode',
2769        'masonry-layout/masonry'
2770      ],
2771      factory );
2772  } else if ( typeof module == 'object' && module.exports ) {
2773    // CommonJS
2774    module.exports = factory(
2775      require('../layout-mode'),
2776      require('masonry-layout')
2777    );
2778  } else {
2779    // browser global
2780    factory(
2781      window.Isotope.LayoutMode,
2782      window.Masonry
2783    );
2784  }
2785
2786}( window, function factory( LayoutMode, Masonry ) {
2787'use strict';
2788
2789// -------------------------- masonryDefinition -------------------------- //
2790
2791  // create an Outlayer layout class
2792  var MasonryMode = LayoutMode.create('masonry');
2793
2794  var proto = MasonryMode.prototype;
2795
2796  var keepModeMethods = {
2797    _getElementOffset: true,
2798    layout: true,
2799    _getMeasurement: true
2800  };
2801
2802  // inherit Masonry prototype
2803  for ( var method in Masonry.prototype ) {
2804    // do not inherit mode methods
2805    if ( !keepModeMethods[ method ] ) {
2806      proto[ method ] = Masonry.prototype[ method ];
2807    }
2808  }
2809
2810  var measureColumns = proto.measureColumns;
2811  proto.measureColumns = function() {
2812    // set items, used if measuring first item
2813    this.items = this.isotope.filteredItems;
2814    measureColumns.call( this );
2815  };
2816
2817  // point to mode options for fitWidth
2818  var _getOption = proto._getOption;
2819  proto._getOption = function( option ) {
2820    if ( option == 'fitWidth' ) {
2821      return this.options.isFitWidth !== undefined ?
2822        this.options.isFitWidth : this.options.fitWidth;
2823    }
2824    return _getOption.apply( this.isotope, arguments );
2825  };
2826
2827  return MasonryMode;
2828
2829}));
2830
2831/**
2832 * fitRows layout mode
2833 */
2834
2835( function( window, factory ) {
2836  // universal module definition
2837  /* jshint strict: false */ /*globals define, module, require */
2838  if ( typeof define == 'function' && define.amd ) {
2839    // AMD
2840    define( 'isotope-layout/js/layout-modes/fit-rows',[
2841        '../layout-mode'
2842      ],
2843      factory );
2844  } else if ( typeof exports == 'object' ) {
2845    // CommonJS
2846    module.exports = factory(
2847      require('../layout-mode')
2848    );
2849  } else {
2850    // browser global
2851    factory(
2852      window.Isotope.LayoutMode
2853    );
2854  }
2855
2856}( window, function factory( LayoutMode ) {
2857'use strict';
2858
2859var FitRows = LayoutMode.create('fitRows');
2860
2861var proto = FitRows.prototype;
2862
2863proto._resetLayout = function() {
2864  this.x = 0;
2865  this.y = 0;
2866  this.maxY = 0;
2867  this._getMeasurement( 'gutter', 'outerWidth' );
2868};
2869
2870proto._getItemLayoutPosition = function( item ) {
2871  item.getSize();
2872
2873  var itemWidth = item.size.outerWidth + this.gutter;
2874  // if this element cannot fit in the current row
2875  var containerWidth = this.isotope.size.innerWidth + this.gutter;
2876  if ( this.x !== 0 && itemWidth + this.x > containerWidth ) {
2877    this.x = 0;
2878    this.y = this.maxY;
2879  }
2880
2881  var position = {
2882    x: this.x,
2883    y: this.y
2884  };
2885
2886  this.maxY = Math.max( this.maxY, this.y + item.size.outerHeight );
2887  this.x += itemWidth;
2888
2889  return position;
2890};
2891
2892proto._getContainerSize = function() {
2893  return { height: this.maxY };
2894};
2895
2896return FitRows;
2897
2898}));
2899
2900/**
2901 * vertical layout mode
2902 */
2903
2904( function( window, factory ) {
2905  // universal module definition
2906  /* jshint strict: false */ /*globals define, module, require */
2907  if ( typeof define == 'function' && define.amd ) {
2908    // AMD
2909    define( 'isotope-layout/js/layout-modes/vertical',[
2910        '../layout-mode'
2911      ],
2912      factory );
2913  } else if ( typeof module == 'object' && module.exports ) {
2914    // CommonJS
2915    module.exports = factory(
2916      require('../layout-mode')
2917    );
2918  } else {
2919    // browser global
2920    factory(
2921      window.Isotope.LayoutMode
2922    );
2923  }
2924
2925}( window, function factory( LayoutMode ) {
2926'use strict';
2927
2928var Vertical = LayoutMode.create( 'vertical', {
2929  horizontalAlignment: 0
2930});
2931
2932var proto = Vertical.prototype;
2933
2934proto._resetLayout = function() {
2935  this.y = 0;
2936};
2937
2938proto._getItemLayoutPosition = function( item ) {
2939  item.getSize();
2940  var x = ( this.isotope.size.innerWidth - item.size.outerWidth ) *
2941    this.options.horizontalAlignment;
2942  var y = this.y;
2943  this.y += item.size.outerHeight;
2944  return { x: x, y: y };
2945};
2946
2947proto._getContainerSize = function() {
2948  return { height: this.y };
2949};
2950
2951return Vertical;
2952
2953}));
2954
2955/*!
2956 * Isotope v3.0.6
2957 *
2958 * Licensed GPLv3 for open source use
2959 * or Isotope Commercial License for commercial use
2960 *
2961 * https://isotope.metafizzy.co
2962 * Copyright 2010-2018 Metafizzy
2963 */
2964
2965( function( window, factory ) {
2966  // universal module definition
2967  /* jshint strict: false */ /*globals define, module, require */
2968  if ( typeof define == 'function' && define.amd ) {
2969    // AMD
2970    define( [
2971        'outlayer/outlayer',
2972        'get-size/get-size',
2973        'desandro-matches-selector/matches-selector',
2974        'fizzy-ui-utils/utils',
2975        'isotope-layout/js/item',
2976        'isotope-layout/js/layout-mode',
2977        // include default layout modes
2978        'isotope-layout/js/layout-modes/masonry',
2979        'isotope-layout/js/layout-modes/fit-rows',
2980        'isotope-layout/js/layout-modes/vertical'
2981      ],
2982      function( Outlayer, getSize, matchesSelector, utils, Item, LayoutMode ) {
2983        return factory( window, Outlayer, getSize, matchesSelector, utils, Item, LayoutMode );
2984      });
2985  } else if ( typeof module == 'object' && module.exports ) {
2986    // CommonJS
2987    module.exports = factory(
2988      window,
2989      require('outlayer'),
2990      require('get-size'),
2991      require('desandro-matches-selector'),
2992      require('fizzy-ui-utils'),
2993      require('isotope-layout/js/item'),
2994      require('isotope-layout/js/layout-mode'),
2995      // include default layout modes
2996      require('isotope-layout/js/layout-modes/masonry'),
2997      require('isotope-layout/js/layout-modes/fit-rows'),
2998      require('isotope-layout/js/layout-modes/vertical')
2999    );
3000  } else {
3001    // browser global
3002    window.Isotope = factory(
3003      window,
3004      window.Outlayer,
3005      window.getSize,
3006      window.matchesSelector,
3007      window.fizzyUIUtils,
3008      window.Isotope.Item,
3009      window.Isotope.LayoutMode
3010    );
3011  }
3012
3013}( window, function factory( window, Outlayer, getSize, matchesSelector, utils,
3014  Item, LayoutMode ) {
3015
3016
3017
3018// -------------------------- vars -------------------------- //
3019
3020var jQuery = window.jQuery;
3021
3022// -------------------------- helpers -------------------------- //
3023
3024var trim = String.prototype.trim ?
3025  function( str ) {
3026    return str.trim();
3027  } :
3028  function( str ) {
3029    return str.replace( /^\s+|\s+$/g, '' );
3030  };
3031
3032// -------------------------- isotopeDefinition -------------------------- //
3033
3034  // create an Outlayer layout class
3035  var Isotope = Outlayer.create( 'isotope', {
3036    layoutMode: 'masonry',
3037    isJQueryFiltering: true,
3038    sortAscending: true
3039  });
3040
3041  Isotope.Item = Item;
3042  Isotope.LayoutMode = LayoutMode;
3043
3044  var proto = Isotope.prototype;
3045
3046  proto._create = function() {
3047    this.itemGUID = 0;
3048    // functions that sort items
3049    this._sorters = {};
3050    this._getSorters();
3051    // call super
3052    Outlayer.prototype._create.call( this );
3053
3054    // create layout modes
3055    this.modes = {};
3056    // start filteredItems with all items
3057    this.filteredItems = this.items;
3058    // keep of track of sortBys
3059    this.sortHistory = [ 'original-order' ];
3060    // create from registered layout modes
3061    for ( var name in LayoutMode.modes ) {
3062      this._initLayoutMode( name );
3063    }
3064  };
3065
3066  proto.reloadItems = function() {
3067    // reset item ID counter
3068    this.itemGUID = 0;
3069    // call super
3070    Outlayer.prototype.reloadItems.call( this );
3071  };
3072
3073  proto._itemize = function() {
3074    var items = Outlayer.prototype._itemize.apply( this, arguments );
3075    // assign ID for original-order
3076    for ( var i=0; i < items.length; i++ ) {
3077      var item = items[i];
3078      item.id = this.itemGUID++;
3079    }
3080    this._updateItemsSortData( items );
3081    return items;
3082  };
3083
3084
3085  // -------------------------- layout -------------------------- //
3086
3087  proto._initLayoutMode = function( name ) {
3088    var Mode = LayoutMode.modes[ name ];
3089    // set mode options
3090    // HACK extend initial options, back-fill in default options
3091    var initialOpts = this.options[ name ] || {};
3092    this.options[ name ] = Mode.options ?
3093      utils.extend( Mode.options, initialOpts ) : initialOpts;
3094    // init layout mode instance
3095    this.modes[ name ] = new Mode( this );
3096  };
3097
3098
3099  proto.layout = function() {
3100    // if first time doing layout, do all magic
3101    if ( !this._isLayoutInited && this._getOption('initLayout') ) {
3102      this.arrange();
3103      return;
3104    }
3105    this._layout();
3106  };
3107
3108  // private method to be used in layout() & magic()
3109  proto._layout = function() {
3110    // don't animate first layout
3111    var isInstant = this._getIsInstant();
3112    // layout flow
3113    this._resetLayout();
3114    this._manageStamps();
3115    this.layoutItems( this.filteredItems, isInstant );
3116
3117    // flag for initalized
3118    this._isLayoutInited = true;
3119  };
3120
3121  // filter + sort + layout
3122  proto.arrange = function( opts ) {
3123    // set any options pass
3124    this.option( opts );
3125    this._getIsInstant();
3126    // filter, sort, and layout
3127
3128    // filter
3129    var filtered = this._filter( this.items );
3130    this.filteredItems = filtered.matches;
3131
3132    this._bindArrangeComplete();
3133
3134    if ( this._isInstant ) {
3135      this._noTransition( this._hideReveal, [ filtered ] );
3136    } else {
3137      this._hideReveal( filtered );
3138    }
3139
3140    this._sort();
3141    this._layout();
3142  };
3143  // alias to _init for main plugin method
3144  proto._init = proto.arrange;
3145
3146  proto._hideReveal = function( filtered ) {
3147    this.reveal( filtered.needReveal );
3148    this.hide( filtered.needHide );
3149  };
3150
3151  // HACK
3152  // Don't animate/transition first layout
3153  // Or don't animate/transition other layouts
3154  proto._getIsInstant = function() {
3155    var isLayoutInstant = this._getOption('layoutInstant');
3156    var isInstant = isLayoutInstant !== undefined ? isLayoutInstant :
3157      !this._isLayoutInited;
3158    this._isInstant = isInstant;
3159    return isInstant;
3160  };
3161
3162  // listen for layoutComplete, hideComplete and revealComplete
3163  // to trigger arrangeComplete
3164  proto._bindArrangeComplete = function() {
3165    // listen for 3 events to trigger arrangeComplete
3166    var isLayoutComplete, isHideComplete, isRevealComplete;
3167    var _this = this;
3168    function arrangeParallelCallback() {
3169      if ( isLayoutComplete && isHideComplete && isRevealComplete ) {
3170        _this.dispatchEvent( 'arrangeComplete', null, [ _this.filteredItems ] );
3171      }
3172    }
3173    this.once( 'layoutComplete', function() {
3174      isLayoutComplete = true;
3175      arrangeParallelCallback();
3176    });
3177    this.once( 'hideComplete', function() {
3178      isHideComplete = true;
3179      arrangeParallelCallback();
3180    });
3181    this.once( 'revealComplete', function() {
3182      isRevealComplete = true;
3183      arrangeParallelCallback();
3184    });
3185  };
3186
3187  // -------------------------- filter -------------------------- //
3188
3189  proto._filter = function( items ) {
3190    var filter = this.options.filter;
3191    filter = filter || '*';
3192    var matches = [];
3193    var hiddenMatched = [];
3194    var visibleUnmatched = [];
3195
3196    var test = this._getFilterTest( filter );
3197
3198    // test each item
3199    for ( var i=0; i < items.length; i++ ) {
3200      var item = items[i];
3201      if ( item.isIgnored ) {
3202        continue;
3203      }
3204      // add item to either matched or unmatched group
3205      var isMatched = test( item );
3206      // item.isFilterMatched = isMatched;
3207      // add to matches if its a match
3208      if ( isMatched ) {
3209        matches.push( item );
3210      }
3211      // add to additional group if item needs to be hidden or revealed
3212      if ( isMatched && item.isHidden ) {
3213        hiddenMatched.push( item );
3214      } else if ( !isMatched && !item.isHidden ) {
3215        visibleUnmatched.push( item );
3216      }
3217    }
3218
3219    // return collections of items to be manipulated
3220    return {
3221      matches: matches,
3222      needReveal: hiddenMatched,
3223      needHide: visibleUnmatched
3224    };
3225  };
3226
3227  // get a jQuery, function, or a matchesSelector test given the filter
3228  proto._getFilterTest = function( filter ) {
3229    if ( jQuery && this.options.isJQueryFiltering ) {
3230      // use jQuery
3231      return function( item ) {
3232        return jQuery( item.element ).is( filter );
3233      };
3234    }
3235    if ( typeof filter == 'function' ) {
3236      // use filter as function
3237      return function( item ) {
3238        return filter( item.element );
3239      };
3240    }
3241    // default, use filter as selector string
3242    return function( item ) {
3243      return matchesSelector( item.element, filter );
3244    };
3245  };
3246
3247  // -------------------------- sorting -------------------------- //
3248
3249  /**
3250   * @params {Array} elems
3251   * @public
3252   */
3253  proto.updateSortData = function( elems ) {
3254    // get items
3255    var items;
3256    if ( elems ) {
3257      elems = utils.makeArray( elems );
3258      items = this.getItems( elems );
3259    } else {
3260      // update all items if no elems provided
3261      items = this.items;
3262    }
3263
3264    this._getSorters();
3265    this._updateItemsSortData( items );
3266  };
3267
3268  proto._getSorters = function() {
3269    var getSortData = this.options.getSortData;
3270    for ( var key in getSortData ) {
3271      var sorter = getSortData[ key ];
3272      this._sorters[ key ] = mungeSorter( sorter );
3273    }
3274  };
3275
3276  /**
3277   * @params {Array} items - of Isotope.Items
3278   * @private
3279   */
3280  proto._updateItemsSortData = function( items ) {
3281    // do not update if no items
3282    var len = items && items.length;
3283
3284    for ( var i=0; len && i < len; i++ ) {
3285      var item = items[i];
3286      item.updateSortData();
3287    }
3288  };
3289
3290  // ----- munge sorter ----- //
3291
3292  // encapsulate this, as we just need mungeSorter
3293  // other functions in here are just for munging
3294  var mungeSorter = ( function() {
3295    // add a magic layer to sorters for convienent shorthands
3296    // `.foo-bar` will use the text of .foo-bar querySelector
3297    // `[foo-bar]` will use attribute
3298    // you can also add parser
3299    // `.foo-bar parseInt` will parse that as a number
3300    function mungeSorter( sorter ) {
3301      // if not a string, return function or whatever it is
3302      if ( typeof sorter != 'string' ) {
3303        return sorter;
3304      }
3305      // parse the sorter string
3306      var args = trim( sorter ).split(' ');
3307      var query = args[0];
3308      // check if query looks like [an-attribute]
3309      var attrMatch = query.match( /^\[(.+)\]$/ );
3310      var attr = attrMatch && attrMatch[1];
3311      var getValue = getValueGetter( attr, query );
3312      // use second argument as a parser
3313      var parser = Isotope.sortDataParsers[ args[1] ];
3314      // parse the value, if there was a parser
3315      sorter = parser ? function( elem ) {
3316        return elem && parser( getValue( elem ) );
3317      } :
3318      // otherwise just return value
3319      function( elem ) {
3320        return elem && getValue( elem );
3321      };
3322
3323      return sorter;
3324    }
3325
3326    // get an attribute getter, or get text of the querySelector
3327    function getValueGetter( attr, query ) {
3328      // if query looks like [foo-bar], get attribute
3329      if ( attr ) {
3330        return function getAttribute( elem ) {
3331          return elem.getAttribute( attr );
3332        };
3333      }
3334
3335      // otherwise, assume its a querySelector, and get its text
3336      return function getChildText( elem ) {
3337        var child = elem.querySelector( query );
3338        return child && child.textContent;
3339      };
3340    }
3341
3342    return mungeSorter;
3343  })();
3344
3345  // parsers used in getSortData shortcut strings
3346  Isotope.sortDataParsers = {
3347    'parseInt': function( val ) {
3348      return parseInt( val, 10 );
3349    },
3350    'parseFloat': function( val ) {
3351      return parseFloat( val );
3352    }
3353  };
3354
3355  // ----- sort method ----- //
3356
3357  // sort filteredItem order
3358  proto._sort = function() {
3359    if ( !this.options.sortBy ) {
3360      return;
3361    }
3362    // keep track of sortBy History
3363    var sortBys = utils.makeArray( this.options.sortBy );
3364    if ( !this._getIsSameSortBy( sortBys ) ) {
3365      // concat all sortBy and sortHistory, add to front, oldest goes in last
3366      this.sortHistory = sortBys.concat( this.sortHistory );
3367    }
3368    // sort magic
3369    var itemSorter = getItemSorter( this.sortHistory, this.options.sortAscending );
3370    this.filteredItems.sort( itemSorter );
3371  };
3372
3373  // check if sortBys is same as start of sortHistory
3374  proto._getIsSameSortBy = function( sortBys ) {
3375    for ( var i=0; i < sortBys.length; i++ ) {
3376      if ( sortBys[i] != this.sortHistory[i] ) {
3377        return false;
3378      }
3379    }
3380    return true;
3381  };
3382
3383  // returns a function used for sorting
3384  function getItemSorter( sortBys, sortAsc ) {
3385    return function sorter( itemA, itemB ) {
3386      // cycle through all sortKeys
3387      for ( var i = 0; i < sortBys.length; i++ ) {
3388        var sortBy = sortBys[i];
3389        var a = itemA.sortData[ sortBy ];
3390        var b = itemB.sortData[ sortBy ];
3391        if ( a > b || a < b ) {
3392          // if sortAsc is an object, use the value given the sortBy key
3393          var isAscending = sortAsc[ sortBy ] !== undefined ? sortAsc[ sortBy ] : sortAsc;
3394          var direction = isAscending ? 1 : -1;
3395          return ( a > b ? 1 : -1 ) * direction;
3396        }
3397      }
3398      return 0;
3399    };
3400  }
3401
3402  // -------------------------- methods -------------------------- //
3403
3404  // get layout mode
3405  proto._mode = function() {
3406    var layoutMode = this.options.layoutMode;
3407    var mode = this.modes[ layoutMode ];
3408    if ( !mode ) {
3409      // TODO console.error
3410      throw new Error( 'No layout mode: ' + layoutMode );
3411    }
3412    // HACK sync mode's options
3413    // any options set after init for layout mode need to be synced
3414    mode.options = this.options[ layoutMode ];
3415    return mode;
3416  };
3417
3418  proto._resetLayout = function() {
3419    // trigger original reset layout
3420    Outlayer.prototype._resetLayout.call( this );
3421    this._mode()._resetLayout();
3422  };
3423
3424  proto._getItemLayoutPosition = function( item  ) {
3425    return this._mode()._getItemLayoutPosition( item );
3426  };
3427
3428  proto._manageStamp = function( stamp ) {
3429    this._mode()._manageStamp( stamp );
3430  };
3431
3432  proto._getContainerSize = function() {
3433    return this._mode()._getContainerSize();
3434  };
3435
3436  proto.needsResizeLayout = function() {
3437    return this._mode().needsResizeLayout();
3438  };
3439
3440  // -------------------------- adding & removing -------------------------- //
3441
3442  // HEADS UP overwrites default Outlayer appended
3443  proto.appended = function( elems ) {
3444    var items = this.addItems( elems );
3445    if ( !items.length ) {
3446      return;
3447    }
3448    // filter, layout, reveal new items
3449    var filteredItems = this._filterRevealAdded( items );
3450    // add to filteredItems
3451    this.filteredItems = this.filteredItems.concat( filteredItems );
3452  };
3453
3454  // HEADS UP overwrites default Outlayer prepended
3455  proto.prepended = function( elems ) {
3456    var items = this._itemize( elems );
3457    if ( !items.length ) {
3458      return;
3459    }
3460    // start new layout
3461    this._resetLayout();
3462    this._manageStamps();
3463    // filter, layout, reveal new items
3464    var filteredItems = this._filterRevealAdded( items );
3465    // layout previous items
3466    this.layoutItems( this.filteredItems );
3467    // add to items and filteredItems
3468    this.filteredItems = filteredItems.concat( this.filteredItems );
3469    this.items = items.concat( this.items );
3470  };
3471
3472  proto._filterRevealAdded = function( items ) {
3473    var filtered = this._filter( items );
3474    this.hide( filtered.needHide );
3475    // reveal all new items
3476    this.reveal( filtered.matches );
3477    // layout new items, no transition
3478    this.layoutItems( filtered.matches, true );
3479    return filtered.matches;
3480  };
3481
3482  /**
3483   * Filter, sort, and layout newly-appended item elements
3484   * @param {Array or NodeList or Element} elems
3485   */
3486  proto.insert = function( elems ) {
3487    var items = this.addItems( elems );
3488    if ( !items.length ) {
3489      return;
3490    }
3491    // append item elements
3492    var i, item;
3493    var len = items.length;
3494    for ( i=0; i < len; i++ ) {
3495      item = items[i];
3496      this.element.appendChild( item.element );
3497    }
3498    // filter new stuff
3499    var filteredInsertItems = this._filter( items ).matches;
3500    // set flag
3501    for ( i=0; i < len; i++ ) {
3502      items[i].isLayoutInstant = true;
3503    }
3504    this.arrange();
3505    // reset flag
3506    for ( i=0; i < len; i++ ) {
3507      delete items[i].isLayoutInstant;
3508    }
3509    this.reveal( filteredInsertItems );
3510  };
3511
3512  var _remove = proto.remove;
3513  proto.remove = function( elems ) {
3514    elems = utils.makeArray( elems );
3515    var removeItems = this.getItems( elems );
3516    // do regular thing
3517    _remove.call( this, elems );
3518    // bail if no items to remove
3519    var len = removeItems && removeItems.length;
3520    // remove elems from filteredItems
3521    for ( var i=0; len && i < len; i++ ) {
3522      var item = removeItems[i];
3523      // remove item from collection
3524      utils.removeFrom( this.filteredItems, item );
3525    }
3526  };
3527
3528  proto.shuffle = function() {
3529    // update random sortData
3530    for ( var i=0; i < this.items.length; i++ ) {
3531      var item = this.items[i];
3532      item.sortData.random = Math.random();
3533    }
3534    this.options.sortBy = 'random';
3535    this._sort();
3536    this._layout();
3537  };
3538
3539  /**
3540   * trigger fn without transition
3541   * kind of hacky to have this in the first place
3542   * @param {Function} fn
3543   * @param {Array} args
3544   * @returns ret
3545   * @private
3546   */
3547  proto._noTransition = function( fn, args ) {
3548    // save transitionDuration before disabling
3549    var transitionDuration = this.options.transitionDuration;
3550    // disable transition
3551    this.options.transitionDuration = 0;
3552    // do it
3553    var returnValue = fn.apply( this, args );
3554    // re-enable transition for reveal
3555    this.options.transitionDuration = transitionDuration;
3556    return returnValue;
3557  };
3558
3559  // ----- helper methods ----- //
3560
3561  /**
3562   * getter method for getting filtered item elements
3563   * @returns {Array} elems - collection of item elements
3564   */
3565  proto.getFilteredItemElements = function() {
3566    return this.filteredItems.map( function( item ) {
3567      return item.element;
3568    });
3569  };
3570
3571  // -----  ----- //
3572
3573  return Isotope;
3574
3575}));
3576