https://bayfair.co.uk/js/masonry.pkgd.js

1 * Masonry PACKAGED v4.2.2
2 * Cascading grid layout library
3 * https://masonry.desandro.com
4 * MIT License
5 * by David DeSandro
6 */
7
8/**
9 * Bridget makes jQuery widgets
10 * v2.0.1
11 * MIT license
12 */
13
14/* jshint browser: true, strict: true, undef: true, unused: true */
15
16( function( window, factory ) {
17  // universal module definition
18  /*jshint strict: false */ /* globals define, module, require */
19  if ( typeof define == 'function' && define.amd ) {
20    // AMD
21    define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
22      return factory( window, jQuery );
23    });
24  } else if ( typeof module == 'object' && module.exports ) {
25    // CommonJS
26    module.exports = factory(
27      window,
28      require('jquery')
29    );
30  } else {
31    // browser global
32    window.jQueryBridget = factory(
33      window,
34      window.jQuery
35    );
36  }
37
38}( window, function factory( window, jQuery ) {
39'use strict';
40
41// ----- utils ----- //
42
43var arraySlice = Array.prototype.slice;
44
45// helper function for logging errors
46// $.error breaks jQuery chaining
47var console = window.console;
48var logError = typeof console == 'undefined' ? function() {} :
49  function( message ) {
50    console.error( message );
51  };
52
53// ----- jQueryBridget ----- //
54
55function jQueryBridget( namespace, PluginClass, $ ) {
56  $ = $ || jQuery || window.jQuery;
57  if ( !$ ) {
58    return;
59  }
60
61  // add option method -> $().plugin('option', {...})
62  if ( !PluginClass.prototype.option ) {
63    // option setter
64    PluginClass.prototype.option = function( opts ) {
65      // bail out if not an object
66      if ( !$.isPlainObject( opts ) ){
67        return;
68      }
69      this.options = $.extend( true, this.options, opts );
70    };
71  }
72
73  // make jQuery plugin
74  $.fn[ namespace ] = function( arg0 /*, arg1 */ ) {
75    if ( typeof arg0 == 'string' ) {
76      // method call $().plugin( 'methodName', { options } )
77      // shift arguments by 1
78      var args = arraySlice.call( arguments, 1 );
79      return methodCall( this, arg0, args );
80    }
81    // just $().plugin({ options })
82    plainCall( this, arg0 );
83    return this;
84  };
85
86  // $().plugin('methodName')
87  function methodCall( $elems, methodName, args ) {
88    var returnValue;
89    var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';
90
91    $elems.each( function( i, elem ) {
92      // get instance
93      var instance = $.data( elem, namespace );
94      if ( !instance ) {
95        logError( namespace + ' not initialized. Cannot call methods, i.e. ' +
96          pluginMethodStr );
97        return;
98      }
99
100      var method = instance[ methodName ];
101      if ( !method || methodName.charAt(0) == '_' ) {
102        logError( pluginMethodStr + ' is not a valid method' );
103        return;
104      }
105
106      // apply method, get return value
107      var value = method.apply( instance, args );
108      // set return value if value is returned, use only first value
109      returnValue = returnValue === undefined ? value : returnValue;
110    });
111
112    return returnValue !== undefined ? returnValue : $elems;
113  }
114
115  function plainCall( $elems, options ) {
116    $elems.each( function( i, elem ) {
117      var instance = $.data( elem, namespace );
118      if ( instance ) {
119        // set options & init
120        instance.option( options );
121        instance._init();
122      } else {
123        // initialize new instance
124        instance = new PluginClass( elem, options );
125        $.data( elem, namespace, instance );
126      }
127    });
128  }
129
130  updateJQuery( $ );
131
132}
133
134// ----- updateJQuery ----- //
135
136// set $.bridget for v1 backwards compatibility
137function updateJQuery( $ ) {
138  if ( !$ || ( $ && $.bridget ) ) {
139    return;
140  }
141  $.bridget = jQueryBridget;
142}
143
144updateJQuery( jQuery || window.jQuery );
145
146// -----  ----- //
147
148return jQueryBridget;
149
150}));
151
152/**
153 * EvEmitter v1.1.0
154 * Lil' event emitter
155 * MIT License
156 */
157
158/* jshint unused: true, undef: true, strict: true */
159
160( function( global, factory ) {
161  // universal module definition
162  /* jshint strict: false */ /* globals define, module, window */
163  if ( typeof define == 'function' && define.amd ) {
164    // AMD - RequireJS
165    define( 'ev-emitter/ev-emitter',factory );
166  } else if ( typeof module == 'object' && module.exports ) {
167    // CommonJS - Browserify, Webpack
168    module.exports = factory();
169  } else {
170    // Browser globals
171    global.EvEmitter = factory();
172  }
173
174}( typeof window != 'undefined' ? window : this, function() {
175
176
177
178function EvEmitter() {}
179
180var proto = EvEmitter.prototype;
181
182proto.on = function( eventName, listener ) {
183  if ( !eventName || !listener ) {
184    return;
185  }
186  // set events hash
187  var events = this._events = this._events || {};
188  // set listeners array
189  var listeners = events[ eventName ] = events[ eventName ] || [];
190  // only add once
191  if ( listeners.indexOf( listener ) == -1 ) {
192    listeners.push( listener );
193  }
194
195  return this;
196};
197
198proto.once = function( eventName, listener ) {
199  if ( !eventName || !listener ) {
200    return;
201  }
202  // add event
203  this.on( eventName, listener );
204  // set once flag
205  // set onceEvents hash
206  var onceEvents = this._onceEvents = this._onceEvents || {};
207  // set onceListeners object
208  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
209  // set flag
210  onceListeners[ listener ] = true;
211
212  return this;
213};
214
215proto.off = function( eventName, listener ) {
216  var listeners = this._events && this._events[ eventName ];
217  if ( !listeners || !listeners.length ) {
218    return;
219  }
220  var index = listeners.indexOf( listener );
221  if ( index != -1 ) {
222    listeners.splice( index, 1 );
223  }
224
225  return this;
226};
227
228proto.emitEvent = function( eventName, args ) {
229  var listeners = this._events && this._events[ eventName ];
230  if ( !listeners || !listeners.length ) {
231    return;
232  }
233  // copy over to avoid interference if .off() in listener
234  listeners = listeners.slice(0);
235  args = args || [];
236  // once stuff
237  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];
238
239  for ( var i=0; i < listeners.length; i++ ) {
240    var listener = listeners[i]
241    var isOnce = onceListeners && onceListeners[ listener ];
242    if ( isOnce ) {
243      // remove listener
244      // remove before trigger to prevent recursion
245      this.off( eventName, listener );
246      // unset once flag
247      delete onceListeners[ listener ];
248    }
249    // trigger listener
250    listener.apply( this, args );
251  }
252
253  return this;
254};
255
256proto.allOff = function() {
257  delete this._events;
258  delete this._onceEvents;
259};
260
261return EvEmitter;
262
263}));
264
265/*!
266 * getSize v2.0.3
267 * measure size of elements
268 * MIT license
269 */
270
271/* jshint browser: true, strict: true, undef: true, unused: true */
272/* globals console: false */
273
274( function( window, factory ) {
275  /* jshint strict: false */ /* globals define, module */
276  if ( typeof define == 'function' && define.amd ) {
277    // AMD
278    define( 'get-size/get-size',factory );
279  } else if ( typeof module == 'object' && module.exports ) {
280    // CommonJS
281    module.exports = factory();
282  } else {
283    // browser global
284    window.getSize = factory();
285  }
286
287})( window, function factory() {
288'use strict';
289
290// -------------------------- helpers -------------------------- //
291
292// get a number from a string, not a percentage
293function getStyleSize( value ) {
294  var num = parseFloat( value );
295  // not a percent like '100%', and a number
296  var isValid = value.indexOf('%') == -1 && !isNaN( num );
297  return isValid && num;
298}
299
300function noop() {}
301
302var logError = typeof console == 'undefined' ? noop :
303  function( message ) {
304    console.error( message );
305  };
306
307// -------------------------- measurements -------------------------- //
308
309var measurements = [
310  'paddingLeft',
311  'paddingRight',
312  'paddingTop',
313  'paddingBottom',
314  'marginLeft',
315  'marginRight',
316  'marginTop',
317  'marginBottom',
318  'borderLeftWidth',
319  'borderRightWidth',
320  'borderTopWidth',
321  'borderBottomWidth'
322];
323
324var measurementsLength = measurements.length;
325
326function getZeroSize() {
327  var size = {
328    width: 0,
329    height: 0,
330    innerWidth: 0,
331    innerHeight: 0,
332    outerWidth: 0,
333    outerHeight: 0
334  };
335  for ( var i=0; i < measurementsLength; i++ ) {
336    var measurement = measurements[i];
337    size[ measurement ] = 0;
338  }
339  return size;
340}
341
342// -------------------------- getStyle -------------------------- //
343
344/**
345 * getStyle, get style of element, check for Firefox bug
346 * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
347 */
348function getStyle( elem ) {
349  var style = getComputedStyle( elem );
350  if ( !style ) {
351    logError( 'Style returned ' + style +
352      '. Are you running this code in a hidden iframe on Firefox? ' +
353      'See https://bit.ly/getsizebug1' );
354  }
355  return style;
356}
357
358// -------------------------- setup -------------------------- //
359
360var isSetup = false;
361
362var isBoxSizeOuter;
363
364/**
365 * setup
366 * check isBoxSizerOuter
367 * do on first getSize() rather than on page load for Firefox bug
368 */
369function setup() {
370  // setup once
371  if ( isSetup ) {
372    return;
373  }
374  isSetup = true;
375
376  // -------------------------- box sizing -------------------------- //
377
378  /**
379   * Chrome & Safari measure the outer-width on style.width on border-box elems
380   * IE11 & Firefox<29 measures the inner-width
381   */
382  var div = document.createElement('div');
383  div.style.width = '200px';
384  div.style.padding = '1px 2px 3px 4px';
385  div.style.borderStyle = 'solid';
386  div.style.borderWidth = '1px 2px 3px 4px';
387  div.style.boxSizing = 'border-box';
388
389  var body = document.body || document.documentElement;
390  body.appendChild( div );
391  var style = getStyle( div );
392  // round value for browser zoom. desandro/masonry#928
393  isBoxSizeOuter = Math.round( getStyleSize( style.width ) ) == 200;
394  getSize.isBoxSizeOuter = isBoxSizeOuter;
395
396  body.removeChild( div );
397}
398
399// -------------------------- getSize -------------------------- //
400
401function getSize( elem ) {
402  setup();
403
404  // use querySeletor if elem is string
405  if ( typeof elem == 'string' ) {
406    elem = document.querySelector( elem );
407  }
408
409  // do not proceed on non-objects
410  if ( !elem || typeof elem != 'object' || !elem.nodeType ) {
411    return;
412  }
413
414  var style = getStyle( elem );
415
416  // if hidden, everything is 0
417  if ( style.display == 'none' ) {
418    return getZeroSize();
419  }
420
421  var size = {};
422  size.width = elem.offsetWidth;
423  size.height = elem.offsetHeight;
424
425  var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';
426
427  // get all measurements
428  for ( var i=0; i < measurementsLength; i++ ) {
429    var measurement = measurements[i];
430    var value = style[ measurement ];
431    var num = parseFloat( value );
432    // any 'auto', 'medium' value will be 0
433    size[ measurement ] = !isNaN( num ) ? num : 0;
434  }
435
436  var paddingWidth = size.paddingLeft + size.paddingRight;
437  var paddingHeight = size.paddingTop + size.paddingBottom;
438  var marginWidth = size.marginLeft + size.marginRight;
439  var marginHeight = size.marginTop + size.marginBottom;
440  var borderWidth = size.borderLeftWidth + size.borderRightWidth;
441  var borderHeight = size.borderTopWidth + size.borderBottomWidth;
442
443  var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;
444
445  // overwrite width and height if we can get it from style
446  var styleWidth = getStyleSize( style.width );
447  if ( styleWidth !== false ) {
448    size.width = styleWidth +
449      // add padding and border unless it's already including it
450      ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
451  }
452
453  var styleHeight = getStyleSize( style.height );
454  if ( styleHeight !== false ) {
455    size.height = styleHeight +
456      // add padding and border unless it's already including it
457      ( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight );
458  }
459
460  size.innerWidth = size.width - ( paddingWidth + borderWidth );
461  size.innerHeight = size.height - ( paddingHeight + borderHeight );
462
463  size.outerWidth = size.width + marginWidth;
464  size.outerHeight = size.height + marginHeight;
465
466  return size;
467}
468
469return getSize;
470
471});
472
473/**
474 * matchesSelector v2.0.2
475 * matchesSelector( element, '.selector' )
476 * MIT license
477 */
478
479/*jshint browser: true, strict: true, undef: true, unused: true */
480
481( function( window, factory ) {
482  /*global define: false, module: false */
483  'use strict';
484  // universal module definition
485  if ( typeof define == 'function' && define.amd ) {
486    // AMD
487    define( 'desandro-matches-selector/matches-selector',factory );
488  } else if ( typeof module == 'object' && module.exports ) {
489    // CommonJS
490    module.exports = factory();
491  } else {
492    // browser global
493    window.matchesSelector = factory();
494  }
495
496}( window, function factory() {
497  'use strict';
498
499  var matchesMethod = ( function() {
500    var ElemProto = window.Element.prototype;
501    // check for the standard method name first
502    if ( ElemProto.matches ) {
503      return 'matches';
504    }
505    // check un-prefixed
506    if ( ElemProto.matchesSelector ) {
507      return 'matchesSelector';
508    }
509    // check vendor prefixes
510    var prefixes = [ 'webkit', 'moz', 'ms', 'o' ];
511
512    for ( var i=0; i < prefixes.length; i++ ) {
513      var prefix = prefixes[i];
514      var method = prefix + 'MatchesSelector';
515      if ( ElemProto[ method ] ) {
516        return method;
517      }
518    }
519  })();
520
521  return function matchesSelector( elem, selector ) {
522    return elem[ matchesMethod ]( selector );
523  };
524
525}));
526
527/**
528 * Fizzy UI utils v2.0.7
529 * MIT license
530 */
531
532/*jshint browser: true, undef: true, unused: true, strict: true */
533
534( function( window, factory ) {
535  // universal module definition
536  /*jshint strict: false */ /*globals define, module, require */
537
538  if ( typeof define == 'function' && define.amd ) {
539    // AMD
540    define( 'fizzy-ui-utils/utils',[
541      'desandro-matches-selector/matches-selector'
542    ], function( matchesSelector ) {
543      return factory( window, matchesSelector );
544    });
545  } else if ( typeof module == 'object' && module.exports ) {
546    // CommonJS
547    module.exports = factory(
548      window,
549      require('desandro-matches-selector')
550    );
551  } else {
552    // browser global
553    window.fizzyUIUtils = factory(
554      window,
555      window.matchesSelector
556    );
557  }
558
559}( window, function factory( window, matchesSelector ) {
560
561
562
563var utils = {};
564
565// ----- extend ----- //
566
567// extends objects
568utils.extend = function( a, b ) {
569  for ( var prop in b ) {
570    a[ prop ] = b[ prop ];
571  }
572  return a;
573};
574
575// ----- modulo ----- //
576
577utils.modulo = function( num, div ) {
578  return ( ( num % div ) + div ) % div;
579};
580
581// ----- makeArray ----- //
582
583var arraySlice = Array.prototype.slice;
584
585// turn element or nodeList into an array
586utils.makeArray = function( obj ) {
587  if ( Array.isArray( obj ) ) {
588    // use object if already an array
589    return obj;
590  }
591  // return empty array if undefined or null. #6
592  if ( obj === null || obj === undefined ) {
593    return [];
594  }
595
596  var isArrayLike = typeof obj == 'object' && typeof obj.length == 'number';
597  if ( isArrayLike ) {
598    // convert nodeList to array
599    return arraySlice.call( obj );
600  }
601
602  // array of single index
603  return [ obj ];
604};
605
606// ----- removeFrom ----- //
607
608utils.removeFrom = function( ary, obj ) {
609  var index = ary.indexOf( obj );
610  if ( index != -1 ) {
611    ary.splice( index, 1 );
612  }
613};
614
615// ----- getParent ----- //
616
617utils.getParent = function( elem, selector ) {
618  while ( elem.parentNode && elem != document.body ) {
619    elem = elem.parentNode;
620    if ( matchesSelector( elem, selector ) ) {
621      return elem;
622    }
623  }
624};
625
626// ----- getQueryElement ----- //
627
628// use element as selector string
629utils.getQueryElement = function( elem ) {
630  if ( typeof elem == 'string' ) {
631    return document.querySelector( elem );
632  }
633  return elem;
634};
635
636// ----- handleEvent ----- //
637
638// enable .ontype to trigger from .addEventListener( elem, 'type' )
639utils.handleEvent = function( event ) {
640  var method = 'on' + event.type;
641  if ( this[ method ] ) {
642    this[ method ]( event );
643  }
644};
645
646// ----- filterFindElements ----- //
647
648utils.filterFindElements = function( elems, selector ) {
649  // make array of elems
650  elems = utils.makeArray( elems );
651  var ffElems = [];
652
653  elems.forEach( function( elem ) {
654    // check that elem is an actual element
655    if ( !( elem instanceof HTMLElement ) ) {
656      return;
657    }
658    // add elem if no selector
659    if ( !selector ) {
660      ffElems.push( elem );
661      return;
662    }
663    // filter & find items if we have a selector
664    // filter
665    if ( matchesSelector( elem, selector ) ) {
666      ffElems.push( elem );
667    }
668    // find children
669    var childElems = elem.querySelectorAll( selector );
670    // concat childElems to filterFound array
671    for ( var i=0; i < childElems.length; i++ ) {
672      ffElems.push( childElems[i] );
673    }
674  });
675
676  return ffElems;
677};
678
679// ----- debounceMethod ----- //
680
681utils.debounceMethod = function( _class, methodName, threshold ) {
682  threshold = threshold || 100;
683  // original method
684  var method = _class.prototype[ methodName ];
685  var timeoutName = methodName + 'Timeout';
686
687  _class.prototype[ methodName ] = function() {
688    var timeout = this[ timeoutName ];
689    clearTimeout( timeout );
690
691    var args = arguments;
692    var _this = this;
693    this[ timeoutName ] = setTimeout( function() {
694      method.apply( _this, args );
695      delete _this[ timeoutName ];
696    }, threshold );
697  };
698};
699
700// ----- docReady ----- //
701
702utils.docReady = function( callback ) {
703  var readyState = document.readyState;
704  if ( readyState == 'complete' || readyState == 'interactive' ) {
705    // do async to allow for other scripts to run. metafizzy/flickity#441
706    setTimeout( callback );
707  } else {
708    document.addEventListener( 'DOMContentLoaded', callback );
709  }
710};
711
712// ----- htmlInit ----- //
713
714// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
715utils.toDashed = function( str ) {
716  return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
717    return $1 + '-' + $2;
718  }).toLowerCase();
719};
720
721var console = window.console;
722/**
723 * allow user to initialize classes via [data-namespace] or .js-namespace class
724 * htmlInit( Widget, 'widgetName' )
725 * options are parsed from data-namespace-options
726 */
727utils.htmlInit = function( WidgetClass, namespace ) {
728  utils.docReady( function() {
729    var dashedNamespace = utils.toDashed( namespace );
730    var dataAttr = 'data-' + dashedNamespace;
731    var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' );
732    var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace );
733    var elems = utils.makeArray( dataAttrElems )
734      .concat( utils.makeArray( jsDashElems ) );
735    var dataOptionsAttr = dataAttr + '-options';
736    var jQuery = window.jQuery;
737
738    elems.forEach( function( elem ) {
739      var attr = elem.getAttribute( dataAttr ) ||
740        elem.getAttribute( dataOptionsAttr );
741      var options;
742      try {
743        options = attr && JSON.parse( attr );
744      } catch ( error ) {
745        // log error, do not initialize
746        if ( console ) {
747          console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className +
748          ': ' + error );
749        }
750        return;
751      }
752      // initialize
753      var instance = new WidgetClass( elem, options );
754      // make available via $().data('namespace')
755      if ( jQuery ) {
756        jQuery.data( elem, namespace, instance );
757      }
758    });
759
760  });
761};
762
763// -----  ----- //
764
765return utils;
766
767}));
768
769/**
770 * Outlayer Item
771 */
772
773( function( window, factory ) {
774  // universal module definition
775  /* jshint strict: false */ /* globals define, module, require */
776  if ( typeof define == 'function' && define.amd ) {
777    // AMD - RequireJS
778    define( 'outlayer/item',[
779        'ev-emitter/ev-emitter',
780        'get-size/get-size'
781      ],
782      factory
783    );
784  } else if ( typeof module == 'object' && module.exports ) {
785    // CommonJS - Browserify, Webpack
786    module.exports = factory(
787      require('ev-emitter'),
788      require('get-size')
789    );
790  } else {
791    // browser global
792    window.Outlayer = {};
793    window.Outlayer.Item = factory(
794      window.EvEmitter,
795      window.getSize
796    );
797  }
798
799}( window, function factory( EvEmitter, getSize ) {
800'use strict';
801
802// ----- helpers ----- //
803
804function isEmptyObj( obj ) {
805  for ( var prop in obj ) {
806    return false;
807  }
808  prop = null;
809  return true;
810}
811
812// -------------------------- CSS3 support -------------------------- //
813
814
815var docElemStyle = document.documentElement.style;
816
817var transitionProperty = typeof docElemStyle.transition == 'string' ?
818  'transition' : 'WebkitTransition';
819var transformProperty = typeof docElemStyle.transform == 'string' ?
820  'transform' : 'WebkitTransform';
821
822var transitionEndEvent = {
823  WebkitTransition: 'webkitTransitionEnd',
824  transition: 'transitionend'
825}[ transitionProperty ];
826
827// cache all vendor properties that could have vendor prefix
828var vendorProperties = {
829  transform: transformProperty,
830  transition: transitionProperty,
831  transitionDuration: transitionProperty + 'Duration',
832  transitionProperty: transitionProperty + 'Property',
833  transitionDelay: transitionProperty + 'Delay'
834};
835
836// -------------------------- Item -------------------------- //
837
838function Item( element, layout ) {
839  if ( !element ) {
840    return;
841  }
842
843  this.element = element;
844  // parent layout class, i.e. Masonry, Isotope, or Packery
845  this.layout = layout;
846  this.position = {
847    x: 0,
848    y: 0
849  };
850
851  this._create();
852}
853
854// inherit EvEmitter
855var proto = Item.prototype = Object.create( EvEmitter.prototype );
856proto.constructor = Item;
857
858proto._create = function() {
859  // transition objects
860  this._transn = {
861    ingProperties: {},
862    clean: {},
863    onEnd: {}
864  };
865
866  this.css({
867    position: 'absolute'
868  });
869};
870
871// trigger specified handler for event type
872proto.handleEvent = function( event ) {
873  var method = 'on' + event.type;
874  if ( this[ method ] ) {
875    this[ method ]( event );
876  }
877};
878
879proto.getSize = function() {
880  this.size = getSize( this.element );
881};
882
883/**
884 * apply CSS styles to element
885 * @param {Object} style
886 */
887proto.css = function( style ) {
888  var elemStyle = this.element.style;
889
890  for ( var prop in style ) {
891    // use vendor property if available
892    var supportedProp = vendorProperties[ prop ] || prop;
893    elemStyle[ supportedProp ] = style[ prop ];
894  }
895};
896
897 // measure position, and sets it
898proto.getPosition = function() {
899  var style = getComputedStyle( this.element );
900  var isOriginLeft = this.layout._getOption('originLeft');
901  var isOriginTop = this.layout._getOption('originTop');
902  var xValue = style[ isOriginLeft ? 'left' : 'right' ];
903  var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
904  var x = parseFloat( xValue );
905  var y = parseFloat( yValue );
906  // convert percent to pixels
907  var layoutSize = this.layout.size;
908  if ( xValue.indexOf('%') != -1 ) {
909    x = ( x / 100 ) * layoutSize.width;
910  }
911  if ( yValue.indexOf('%') != -1 ) {
912    y = ( y / 100 ) * layoutSize.height;
913  }
914  // clean up 'auto' or other non-integer values
915  x = isNaN( x ) ? 0 : x;
916  y = isNaN( y ) ? 0 : y;
917  // remove padding from measurement
918  x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
919  y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;
920
921  this.position.x = x;
922  this.position.y = y;
923};
924
925// set settled position, apply padding
926proto.layoutPosition = function() {
927  var layoutSize = this.layout.size;
928  var style = {};
929  var isOriginLeft = this.layout._getOption('originLeft');
930  var isOriginTop = this.layout._getOption('originTop');
931
932  // x
933  var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
934  var xProperty = isOriginLeft ? 'left' : 'right';
935  var xResetProperty = isOriginLeft ? 'right' : 'left';
936
937  var x = this.position.x + layoutSize[ xPadding ];
938  // set in percentage or pixels
939  style[ xProperty ] = this.getXValue( x );
940  // reset other property
941  style[ xResetProperty ] = '';
942
943  // y
944  var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
945  var yProperty = isOriginTop ? 'top' : 'bottom';
946  var yResetProperty = isOriginTop ? 'bottom' : 'top';
947
948  var y = this.position.y + layoutSize[ yPadding ];
949  // set in percentage or pixels
950  style[ yProperty ] = this.getYValue( y );
951  // reset other property
952  style[ yResetProperty ] = '';
953
954  this.css( style );
955  this.emitEvent( 'layout', [ this ] );
956};
957
958proto.getXValue = function( x ) {
959  var isHorizontal = this.layout._getOption('horizontal');
960  return this.layout.options.percentPosition && !isHorizontal ?
961    ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
962};
963
964proto.getYValue = function( y ) {
965  var isHorizontal = this.layout._getOption('horizontal');
966  return this.layout.options.percentPosition && isHorizontal ?
967    ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
968};
969
970proto._transitionTo = function( x, y ) {
971  this.getPosition();
972  // get current x & y from top/left
973  var curX = this.position.x;
974  var curY = this.position.y;
975
976  var didNotMove = x == this.position.x && y == this.position.y;
977
978  // save end position
979  this.setPosition( x, y );
980
981  // if did not move and not transitioning, just go to layout
982  if ( didNotMove && !this.isTransitioning ) {
983    this.layoutPosition();
984    return;
985  }
986
987  var transX = x - curX;
988  var transY = y - curY;
989  var transitionStyle = {};
990  transitionStyle.transform = this.getTranslate( transX, transY );
991
992  this.transition({
993    to: transitionStyle,
994    onTransitionEnd: {
995      transform: this.layoutPosition
996    },
997    isCleaning: true
998  });
999};
1000
1001proto.getTranslate = function( x, y ) {
1002  // flip cooridinates if origin on right or bottom
1003  var isOriginLeft = this.layout._getOption('originLeft');
1004  var isOriginTop = this.layout._getOption('originTop');
1005  x = isOriginLeft ? x : -x;
1006  y = isOriginTop ? y : -y;
1007  return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
1008};
1009
1010// non transition + transform support
1011proto.goTo = function( x, y ) {
1012  this.setPosition( x, y );
1013  this.layoutPosition();
1014};
1015
1016proto.moveTo = proto._transitionTo;
1017
1018proto.setPosition = function( x, y ) {
1019  this.position.x = parseFloat( x );
1020  this.position.y = parseFloat( y );
1021};
1022
1023// ----- transition ----- //
1024
1025/**
1026 * @param {Object} style - CSS
1027 * @param {Function} onTransitionEnd
1028 */
1029
1030// non transition, just trigger callback
1031proto._nonTransition = function( args ) {
1032  this.css( args.to );
1033  if ( args.isCleaning ) {
1034    this._removeStyles( args.to );
1035  }
1036  for ( var prop in args.onTransitionEnd ) {
1037    args.onTransitionEnd[ prop ].call( this );
1038  }
1039};
1040
1041/**
1042 * proper transition
1043 * @param {Object} args - arguments
1044 *   @param {Object} to - style to transition to
1045 *   @param {Object} from - style to start transition from
1046 *   @param {Boolean} isCleaning - removes transition styles after transition
1047 *   @param {Function} onTransitionEnd - callback
1048 */
1049proto.transition = function( args ) {
1050  // redirect to nonTransition if no transition duration
1051  if ( !parseFloat( this.layout.options.transitionDuration ) ) {
1052    this._nonTransition( args );
1053    return;
1054  }
1055
1056  var _transition = this._transn;
1057  // keep track of onTransitionEnd callback by css property
1058  for ( var prop in args.onTransitionEnd ) {
1059    _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ];
1060  }
1061  // keep track of properties that are transitioning
1062  for ( prop in args.to ) {
1063    _transition.ingProperties[ prop ] = true;
1064    // keep track of properties to clean up when transition is done
1065    if ( args.isCleaning ) {
1066      _transition.clean[ prop ] = true;
1067    }
1068  }
1069
1070  // set from styles
1071  if ( args.from ) {
1072    this.css( args.from );
1073    // force redraw. http://blog.alexmaccaw.com/css-transitions
1074    var h = this.element.offsetHeight;
1075    // hack for JSHint to hush about unused var
1076    h = null;
1077  }
1078  // enable transition
1079  this.enableTransition( args.to );
1080  // set styles that are transitioning
1081  this.css( args.to );
1082
1083  this.isTransitioning = true;
1084
1085};
1086
1087// dash before all cap letters, including first for
1088// WebkitTransform => -webkit-transform
1089function toDashedAll( str ) {
1090  return str.replace( /([A-Z])/g, function( $1 ) {
1091    return '-' + $1.toLowerCase();
1092  });
1093}
1094
1095var transitionProps = 'opacity,' + toDashedAll( transformProperty );
1096
1097proto.enableTransition = function(/* style */) {
1098  // HACK changing transitionProperty during a transition
1099  // will cause transition to jump
1100  if ( this.isTransitioning ) {
1101    return;
1102  }
1103
1104  // make `transition: foo, bar, baz` from style object
1105  // HACK un-comment this when enableTransition can work
1106  // while a transition is happening
1107  // var transitionValues = [];
1108  // for ( var prop in style ) {
1109  //   // dash-ify camelCased properties like WebkitTransition
1110  //   prop = vendorProperties[ prop ] || prop;
1111  //   transitionValues.push( toDashedAll( prop ) );
1112  // }
1113  // munge number to millisecond, to match stagger
1114  var duration = this.layout.options.transitionDuration;
1115  duration = typeof duration == 'number' ? duration + 'ms' : duration;
1116  // enable transition styles
1117  this.css({
1118    transitionProperty: transitionProps,
1119    transitionDuration: duration,
1120    transitionDelay: this.staggerDelay || 0
1121  });
1122  // listen for transition end event
1123  this.element.addEventListener( transitionEndEvent, this, false );
1124};
1125
1126// ----- events ----- //
1127
1128proto.onwebkitTransitionEnd = function( event ) {
1129  this.ontransitionend( event );
1130};
1131
1132proto.onotransitionend = function( event ) {
1133  this.ontransitionend( event );
1134};
1135
1136// properties that I munge to make my life easier
1137var dashedVendorProperties = {
1138  '-webkit-transform': 'transform'
1139};
1140
1141proto.ontransitionend = function( event ) {
1142  // disregard bubbled events from children
1143  if ( event.target !== this.element ) {
1144    return;
1145  }
1146  var _transition = this._transn;
1147  // get property name of transitioned property, convert to prefix-free
1148  var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName;
1149
1150  // remove property that has completed transitioning
1151  delete _transition.ingProperties[ propertyName ];
1152  // check if any properties are still transitioning
1153  if ( isEmptyObj( _transition.ingProperties ) ) {
1154    // all properties have completed transitioning
1155    this.disableTransition();
1156  }
1157  // clean style
1158  if ( propertyName in _transition.clean ) {
1159    // clean up style
1160    this.element.style[ event.propertyName ] = '';
1161    delete _transition.clean[ propertyName ];
1162  }
1163  // trigger onTransitionEnd callback
1164  if ( propertyName in _transition.onEnd ) {
1165    var onTransitionEnd = _transition.onEnd[ propertyName ];
1166    onTransitionEnd.call( this );
1167    delete _transition.onEnd[ propertyName ];
1168  }
1169
1170  this.emitEvent( 'transitionEnd', [ this ] );
1171};
1172
1173proto.disableTransition = function() {
1174  this.removeTransitionStyles();
1175  this.element.removeEventListener( transitionEndEvent, this, false );
1176  this.isTransitioning = false;
1177};
1178
1179/**
1180 * removes style property from element
1181 * @param {Object} style
1182**/
1183proto._removeStyles = function( style ) {
1184  // clean up transition styles
1185  var cleanStyle = {};
1186  for ( var prop in style ) {
1187    cleanStyle[ prop ] = '';
1188  }
1189  this.css( cleanStyle );
1190};
1191
1192var cleanTransitionStyle = {
1193  transitionProperty: '',
1194  transitionDuration: '',
1195  transitionDelay: ''
1196};
1197
1198proto.removeTransitionStyles = function() {
1199  // remove transition
1200  this.css( cleanTransitionStyle );
1201};
1202
1203// ----- stagger ----- //
1204
1205proto.stagger = function( delay ) {
1206  delay = isNaN( delay ) ? 0 : delay;
1207  this.staggerDelay = delay + 'ms';
1208};
1209
1210// ----- show/hide/remove ----- //
1211
1212// remove element from DOM
1213proto.removeElem = function() {
1214  this.element.parentNode.removeChild( this.element );
1215  // remove display: none
1216  this.css({ display: '' });
1217  this.emitEvent( 'remove', [ this ] );
1218};
1219
1220proto.remove = function() {
1221  // just remove element if no transition support or no transition
1222  if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
1223    this.removeElem();
1224    return;
1225  }
1226
1227  // start transition
1228  this.once( 'transitionEnd', function() {
1229    this.removeElem();
1230  });
1231  this.hide();
1232};
1233
1234proto.reveal = function() {
1235  delete this.isHidden;
1236  // remove display: none
1237  this.css({ display: '' });
1238
1239  var options = this.layout.options;
1240
1241  var onTransitionEnd = {};
1242  var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
1243  onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd;
1244
1245  this.transition({
1246    from: options.hiddenStyle,
1247    to: options.visibleStyle,
1248    isCleaning: true,
1249    onTransitionEnd: onTransitionEnd
1250  });
1251};
1252
1253proto.onRevealTransitionEnd = function() {
1254  // check if still visible
1255  // during transition, item may have been hidden
1256  if ( !this.isHidden ) {
1257    this.emitEvent('reveal');
1258  }
1259};
1260
1261/**
1262 * get style property use for hide/reveal transition end
1263 * @param {String} styleProperty - hiddenStyle/visibleStyle
1264 * @returns {String}
1265 */
1266proto.getHideRevealTransitionEndProperty = function( styleProperty ) {
1267  var optionStyle = this.layout.options[ styleProperty ];
1268  // use opacity
1269  if ( optionStyle.opacity ) {
1270    return 'opacity';
1271  }
1272  // get first property
1273  for ( var prop in optionStyle ) {
1274    return prop;
1275  }
1276};
1277
1278proto.hide = function() {
1279  // set flag
1280  this.isHidden = true;
1281  // remove display: none
1282  this.css({ display: '' });
1283
1284  var options = this.layout.options;
1285
1286  var onTransitionEnd = {};
1287  var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
1288  onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd;
1289
1290  this.transition({
1291    from: options.visibleStyle,
1292    to: options.hiddenStyle,
1293    // keep hidden stuff hidden
1294    isCleaning: true,
1295    onTransitionEnd: onTransitionEnd
1296  });
1297};
1298
1299proto.onHideTransitionEnd = function() {
1300  // check if still hidden
1301  // during transition, item may have been un-hidden
1302  if ( this.isHidden ) {
1303    this.css({ display: 'none' });
1304    this.emitEvent('hide');
1305  }
1306};
1307
1308proto.destroy = function() {
1309  this.css({
1310    position: '',
1311    left: '',
1312    right: '',
1313    top: '',
1314    bottom: '',
1315    transition: '',
1316    transform: ''
1317  });
1318};
1319
1320return Item;
1321
1322}));
1323
1324/*!
1325 * Outlayer v2.1.1
1326 * the brains and guts of a layout library
1327 * MIT license
1328 */
1329
1330( function( window, factory ) {
1331  'use strict';
1332  // universal module definition
1333  /* jshint strict: false */ /* globals define, module, require */
1334  if ( typeof define == 'function' && define.amd ) {
1335    // AMD - RequireJS
1336    define( 'outlayer/outlayer',[
1337        'ev-emitter/ev-emitter',
1338        'get-size/get-size',
1339        'fizzy-ui-utils/utils',
1340        './item'
1341      ],
1342      function( EvEmitter, getSize, utils, Item ) {
1343        return factory( window, EvEmitter, getSize, utils, Item);
1344      }
1345    );
1346  } else if ( typeof module == 'object' && module.exports ) {
1347    // CommonJS - Browserify, Webpack
1348    module.exports = factory(
1349      window,
1350      require('ev-emitter'),
1351      require('get-size'),
1352      require('fizzy-ui-utils'),
1353      require('./item')
1354    );
1355  } else {
1356    // browser global
1357    window.Outlayer = factory(
1358      window,
1359      window.EvEmitter,
1360      window.getSize,
1361      window.fizzyUIUtils,
1362      window.Outlayer.Item
1363    );
1364  }
1365
1366}( window, function factory( window, EvEmitter, getSize, utils, Item ) {
1367'use strict';
1368
1369// ----- vars ----- //
1370
1371var console = window.console;
1372var jQuery = window.jQuery;
1373var noop = function() {};
1374
1375// -------------------------- Outlayer -------------------------- //
1376
1377// globally unique identifiers
1378var GUID = 0;
1379// internal store of all Outlayer intances
1380var instances = {};
1381
1382
1383/**
1384 * @param {Element, String} element
1385 * @param {Object} options
1386 * @constructor
1387 */
1388function Outlayer( element, options ) {
1389  var queryElement = utils.getQueryElement( element );
1390  if ( !queryElement ) {
1391    if ( console ) {
1392      console.error( 'Bad element for ' + this.constructor.namespace +
1393        ': ' + ( queryElement || element ) );
1394    }
1395    return;
1396  }
1397  this.element = queryElement;
1398  // add jQuery
1399  if ( jQuery ) {
1400    this.$element = jQuery( this.element );
1401  }
1402
1403  // options
1404  this.options = utils.extend( {}, this.constructor.defaults );
1405  this.option( options );
1406
1407  // add id for Outlayer.getFromElement
1408  var id = ++GUID;
1409  this.element.outlayerGUID = id; // expando
1410  instances[ id ] = this; // associate via id
1411
1412  // kick it off
1413  this._create();
1414
1415  var isInitLayout = this._getOption('initLayout');
1416  if ( isInitLayout ) {
1417    this.layout();
1418  }
1419}
1420
1421// settings are for internal use only
1422Outlayer.namespace = 'outlayer';
1423Outlayer.Item = Item;
1424
1425// default options
1426Outlayer.defaults = {
1427  containerStyle: {
1428    position: 'relative'
1429  },
1430  initLayout: true,
1431  originLeft: true,
1432  originTop: true,
1433  resize: true,
1434  resizeContainer: true,
1435  // item options
1436  transitionDuration: '0.4s',
1437  hiddenStyle: {
1438    opacity: 0,
1439    transform: 'scale(0.001)'
1440  },
1441  visibleStyle: {
1442    opacity: 1,
1443    transform: 'scale(1)'
1444  }
1445};
1446
1447var proto = Outlayer.prototype;
1448// inherit EvEmitter
1449utils.extend( proto, EvEmitter.prototype );
1450
1451/**
1452 * set options
1453 * @param {Object} opts
1454 */
1455proto.option = function( opts ) {
1456  utils.extend( this.options, opts );
1457};
1458
1459/**
1460 * get backwards compatible option value, check old name
1461 */
1462proto._getOption = function( option ) {
1463  var oldOption = this.constructor.compatOptions[ option ];
1464  return oldOption && this.options[ oldOption ] !== undefined ?
1465    this.options[ oldOption ] : this.options[ option ];
1466};
1467
1468Outlayer.compatOptions = {
1469  // currentName: oldName
1470  initLayout: 'isInitLayout',
1471  horizontal: 'isHorizontal',
1472  layoutInstant: 'isLayoutInstant',
1473  originLeft: 'isOriginLeft',
1474  originTop: 'isOriginTop',
1475  resize: 'isResizeBound',
1476  resizeContainer: 'isResizingContainer'
1477};
1478
1479proto._create = function() {
1480  // get items from children
1481  this.reloadItems();
1482  // elements that affect layout, but are not laid out
1483  this.stamps = [];
1484  this.stamp( this.options.stamp );
1485  // set container style
1486  utils.extend( this.element.style, this.options.containerStyle );
1487
1488  // bind resize method
1489  var canBindResize = this._getOption('resize');
1490  if ( canBindResize ) {
1491    this.bindResize();
1492  }
1493};
1494
1495// goes through all children again and gets bricks in proper order
1496proto.reloadItems = function() {
1497  // collection of item elements
1498  this.items = this._itemize( this.element.children );
1499};
1500
1501
1502/**
1503 * turn elements into Outlayer.Items to be used in layout
1504 * @param {Array or NodeList or HTMLElement} elems
1505 * @returns {Array} items - collection of new Outlayer Items
1506 */
1507proto._itemize = function( elems ) {
1508
1509  var itemElems = this._filterFindItemElements( elems );
1510  var Item = this.constructor.Item;
1511
1512  // create new Outlayer Items for collection
1513  var items = [];
1514  for ( var i=0; i < itemElems.length; i++ ) {
1515    var elem = itemElems[i];
1516    var item = new Item( elem, this );
1517    items.push( item );
1518  }
1519
1520  return items;
1521};
1522
1523/**
1524 * get item elements to be used in layout
1525 * @param {Array or NodeList or HTMLElement} elems
1526 * @returns {Array} items - item elements
1527 */
1528proto._filterFindItemElements = function( elems ) {
1529  return utils.filterFindElements( elems, this.options.itemSelector );
1530};
1531
1532/**
1533 * getter method for getting item elements
1534 * @returns {Array} elems - collection of item elements
1535 */
1536proto.getItemElements = function() {
1537  return this.items.map( function( item ) {
1538    return item.element;
1539  });
1540};
1541
1542// ----- init & layout ----- //
1543
1544/**
1545 * lays out all items
1546 */
1547proto.layout = function() {
1548  this._resetLayout();
1549  this._manageStamps();
1550
1551  // don't animate first layout
1552  var layoutInstant = this._getOption('layoutInstant');
1553  var isInstant = layoutInstant !== undefined ?
1554    layoutInstant : !this._isLayoutInited;
1555  this.layoutItems( this.items, isInstant );
1556
1557  // flag for initalized
1558  this._isLayoutInited = true;
1559};
1560
1561// _init is alias for layout
1562proto._init = proto.layout;
1563
1564/**
1565 * logic before any new layout
1566 */
1567proto._resetLayout = function() {

1568  this.getSize();
1569};
1570
1571
1572proto.getSize = function() {
1573  this.size = getSize( this.element );
1574};
1575
1576/**
1577 * get measurement from option, for columnWidth, rowHeight, gutter
1578 * if option is String -> get element from selector string, & get size of element
1579 * if option is Element -> get size of element
1580 * else use option as a number
1581 *
1582 * @param {String} measurement
1583 * @param {String} size - width or height
1584 * @private
1585 */
1586proto._getMeasurement = function( measurement, size ) {
1587  var option = this.options[ measurement ];
1588  var elem;
1589  if ( !option ) {
1590    // default to 0
1591    this[ measurement ] = 0;
1592  } else {
1593    // use option as an element
1594    if ( typeof option == 'string' ) {
1595      elem = this.element.querySelector( option );
1596    } else if ( option instanceof HTMLElement ) {
1597      elem = option;
1598    }
1599    // use size of element, if element
1600    this[ measurement ] = elem ? getSize( elem )[ size ] : option;
1601  }
1602};
1603
1604/**
1605 * layout a collection of item elements
1606 * @api public
1607 */
1608proto.layoutItems = function( items, isInstant ) {
1609  items = this._getItemsForLayout( items );
1610
1611  this._layoutItems( items, isInstant );
1612
1613  this._postLayout();
1614};
1615
1616/**
1617 * get the items to be laid out
1618 * you may want to skip over some items
1619 * @param {Array} items
1620 * @returns {Array} items
1621 */
1622proto._getItemsForLayout = function( items ) {
1623  return items.filter( function( item ) {
1624    return !item.isIgnored;
1625  });
1626};
1627
1628/**
1629 * layout items
1630 * @param {Array} items
1631 * @param {Boolean} isInstant
1632 */
1633proto._layoutItems = function( items, isInstant ) {
1634  this._emitCompleteOnItems( 'layout', items );
1635
1636  if ( !items || !items.length ) {
1637    // no items, emit event with empty array
1638    return;
1639  }
1640
1641  var queue = [];
1642
1643  items.forEach( function( item ) {
1644    // get x/y object from method
1645    var position = this._getItemLayoutPosition( item );
1646    // enqueue
1647    position.item = item;
1648    position.isInstant = isInstant || item.isLayoutInstant;
1649    queue.push( position );
1650  }, this );
1651
1652  this._processLayoutQueue( queue );
1653};
1654
1655/**
1656 * get item layout position
1657 * @param {Outlayer.Item} item
1658 * @returns {Object} x and y position
1659 */
1660proto._getItemLayoutPosition = function( /* item */ ) {
1661  return {
1662    x: 0,
1663    y: 0
1664  };
1665};
1666
1667/**
1668 * iterate over array and position each item
1669 * Reason being - separating this logic prevents 'layout invalidation'
1670 * thx @paul_irish
1671 * @param {Array} queue
1672 */
1673proto._processLayoutQueue = function( queue ) {
1674  this.updateStagger();
1675  queue.forEach( function( obj, i ) {
1676    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i );
1677  }, this );
1678};
1679
1680// set stagger from option in milliseconds number
1681proto.updateStagger = function() {
1682  var stagger = this.options.stagger;
1683  if ( stagger === null || stagger === undefined ) {
1684    this.stagger = 0;
1685    return;
1686  }
1687  this.stagger = getMilliseconds( stagger );
1688  return this.stagger;
1689};
1690
1691/**
1692 * Sets position of item in DOM
1693 * @param {Outlayer.Item} item
1694 * @param {Number} x - horizontal position
1695 * @param {Number} y - vertical position
1696 * @param {Boolean} isInstant - disables transitions
1697 */
1698proto._positionItem = function( item, x, y, isInstant, i ) {
1699  if ( isInstant ) {
1700    // if not transition, just set CSS
1701    item.goTo( x, y );
1702  } else {
1703    item.stagger( i * this.stagger );
1704    item.moveTo( x, y );
1705  }
1706};
1707
1708/**
1709 * Any logic you want to do after each layout,
1710 * i.e. size the container
1711 */
1712proto._postLayout = function() {
1713  this.resizeContainer();
1714};
1715
1716proto.resizeContainer = function() {
1717  var isResizingContainer = this._getOption('resizeContainer');
1718  if ( !isResizingContainer ) {
1719    return;
1720  }
1721  var size = this._getContainerSize();
1722  if ( size ) {
1723    this._setContainerMeasure( size.width, true );
1724    this._setContainerMeasure( size.height, false );
1725  }
1726};
1727
1728/**
1729 * Sets width or height of container if returned
1730 * @returns {Object} size
1731 *   @param {Number} width
1732 *   @param {Number} height
1733 */
1734proto._getContainerSize = noop;
1735
1736/**
1737 * @param {Number} measure - size of width or height
1738 * @param {Boolean} isWidth
1739 */
1740proto._setContainerMeasure = function( measure, isWidth ) {
1741  if ( measure === undefined ) {
1742    return;
1743  }
1744
1745  var elemSize = this.size;
1746  // add padding and border width if border box
1747  if ( elemSize.isBorderBox ) {
1748    measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
1749      elemSize.borderLeftWidth + elemSize.borderRightWidth :
1750      elemSize.paddingBottom + elemSize.paddingTop +
1751      elemSize.borderTopWidth + elemSize.borderBottomWidth;
1752  }
1753
1754  measure = Math.max( measure, 0 );
1755  this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px';
1756};
1757
1758/**
1759 * emit eventComplete on a collection of items events
1760 * @param {String} eventName
1761 * @param {Array} items - Outlayer.Items
1762 */
1763proto._emitCompleteOnItems = function( eventName, items ) {
1764  var _this = this;
1765  function onComplete() {
1766    _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
1767  }
1768
1769  var count = items.length;
1770  if ( !items || !count ) {
1771    onComplete();
1772    return;
1773  }
1774
1775  var doneCount = 0;
1776  function tick() {
1777    doneCount++;
1778    if ( doneCount == count ) {
1779      onComplete();
1780    }
1781  }
1782
1783  // bind callback
1784  items.forEach( function( item ) {
1785    item.once( eventName, tick );
1786  });
1787};
1788
1789/**
1790 * emits events via EvEmitter and jQuery events
1791 * @param {String} type - name of event
1792 * @param {Event} event - original event
1793 * @param {Array} args - extra arguments
1794 */
1795proto.dispatchEvent = function( type, event, args ) {
1796  // add original event to arguments
1797  var emitArgs = event ? [ event ].concat( args ) : args;
1798  this.emitEvent( type, emitArgs );
1799
1800  if ( jQuery ) {
1801    // set this.$element
1802    this.$element = this.$element || jQuery( this.element );
1803    if ( event ) {
1804      // create jQuery event
1805      var $event = jQuery.Event( event );
1806      $event.type = type;
1807      this.$element.trigger( $event, args );
1808    } else {
1809      // just trigger with type if no event available
1810      this.$element.trigger( type, args );
1811    }
1812  }
1813};
1814
1815// -------------------------- ignore & stamps -------------------------- //
1816
1817
1818/**
1819 * keep item in collection, but do not lay it out
1820 * ignored items do not get skipped in layout
1821 * @param {Element} elem
1822 */
1823proto.ignore = function( elem ) {
1824  var item = this.getItem( elem );
1825  if ( item ) {
1826    item.isIgnored = true;
1827  }
1828};
1829
1830/**
1831 * return item to layout collection
1832 * @param {Element} elem
1833 */
1834proto.unignore = function( elem ) {
1835  var item = this.getItem( elem );
1836  if ( item ) {
1837    delete item.isIgnored;
1838  }
1839};
1840
1841/**
1842 * adds elements to stamps
1843 * @param {NodeList, Array, Element, or String} elems
1844 */
1845proto.stamp = function( elems ) {
1846  elems = this._find( elems );
1847  if ( !elems ) {
1848    return;
1849  }
1850
1851  this.stamps = this.stamps.concat( elems );
1852  // ignore
1853  elems.forEach( this.ignore, this );
1854};
1855
1856/**
1857 * removes elements to stamps
1858 * @param {NodeList, Array, or Element} elems
1859 */
1860proto.unstamp = function( elems ) {
1861  elems = this._find( elems );
1862  if ( !elems ){
1863    return;
1864  }
1865
1866  elems.forEach( function( elem ) {
1867    // filter out removed stamp elements
1868    utils.removeFrom( this.stamps, elem );
1869    this.unignore( elem );
1870  }, this );
1871};
1872
1873/**
1874 * finds child elements
1875 * @param {NodeList, Array, Element, or String} elems
1876 * @returns {Array} elems
1877 */
1878proto._find = function( elems ) {
1879  if ( !elems ) {
1880    return;
1881  }
1882  // if string, use argument as selector string
1883  if ( typeof elems == 'string' ) {
1884    elems = this.element.querySelectorAll( elems );
1885  }
1886  elems = utils.makeArray( elems );
1887  return elems;
1888};
1889
1890proto._manageStamps = function() {
1891  if ( !this.stamps || !this.stamps.length ) {
1892    return;
1893  }
1894
1895  this._getBoundingRect();
1896
1897  this.stamps.forEach( this._manageStamp, this );
1898};
1899
1900// update boundingLeft / Top
1901proto._getBoundingRect = function() {
1902  // get bounding rect for container element
1903  var boundingRect = this.element.getBoundingClientRect();
1904  var size = this.size;
1905  this._boundingRect = {
1906    left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
1907    top: boundingRect.top + size.paddingTop + size.borderTopWidth,
1908    right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
1909    bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
1910  };
1911};
1912
1913/**
1914 * @param {Element} stamp
1915**/
1916proto._manageStamp = noop;
1917
1918/**
1919 * get x/y position of element relative to container element
1920 * @param {Element} elem
1921 * @returns {Object} offset - has left, top, right, bottom
1922 */
1923proto._getElementOffset = function( elem ) {
1924  var boundingRect = elem.getBoundingClientRect();
1925  var thisRect = this._boundingRect;
1926  var size = getSize( elem );
1927  var offset = {
1928    left: boundingRect.left - thisRect.left - size.marginLeft,
1929    top: boundingRect.top - thisRect.top - size.marginTop,
1930    right: thisRect.right - boundingRect.right - size.marginRight,
1931    bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
1932  };
1933  return offset;
1934};
1935
1936// -------------------------- resize -------------------------- //
1937
1938// enable event handlers for listeners
1939// i.e. resize -> onresize
1940proto.handleEvent = utils.handleEvent;
1941
1942/**
1943 * Bind layout to window resizing
1944 */
1945proto.bindResize = function() {
1946  window.addEventListener( 'resize', this );
1947  this.isResizeBound = true;
1948};
1949
1950/**
1951 * Unbind layout to window resizing
1952 */
1953proto.unbindResize = function() {
1954  window.removeEventListener( 'resize', this );
1955  this.isResizeBound = false;
1956};
1957
1958proto.onresize = function() {
1959  this.resize();
1960};
1961
1962utils.debounceMethod( Outlayer, 'onresize', 100 );
1963
1964proto.resize = function() {
1965  // don't trigger if size did not change
1966  // or if resize was unbound. See #9
1967  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
1968    return;
1969  }
1970
1971  this.layout();
1972};
1973
1974/**
1975 * check if layout is needed post layout
1976 * @returns Boolean
1977 */
1978proto.needsResizeLayout = function() {
1979  var size = getSize( this.element );
1980  // check that this.size and size are there
1981  // IE8 triggers resize on body size change, so they might not be
1982  var hasSizes = this.size && size;
1983  return hasSizes && size.innerWidth !== this.size.innerWidth;
1984};
1985
1986// -------------------------- methods -------------------------- //
1987
1988/**
1989 * add items to Outlayer instance
1990 * @param {Array or NodeList or Element} elems
1991 * @returns {Array} items - Outlayer.Items
1992**/
1993proto.addItems = function( elems ) {
1994  var items = this._itemize( elems );
1995  // add items to collection
1996  if ( items.length ) {
1997    this.items = this.items.concat( items );
1998  }
1999  return items;
2000};
2001
2002/**
2003 * Layout newly-appended item elements
2004 * @param {Array or NodeList or Element} elems
2005 */
2006proto.appended = function( elems ) {
2007  var items = this.addItems( elems );
2008  if ( !items.length ) {
2009    return;
2010  }
2011  // layout and reveal just the new items
2012  this.layoutItems( items, true );
2013  this.reveal( items );
2014};
2015
2016/**
2017 * Layout prepended elements
2018 * @param {Array or NodeList or Element} elems
2019 */
2020proto.prepended = function( elems ) {
2021  var items = this._itemize( elems );
2022  if ( !items.length ) {
2023    return;
2024  }
2025  // add items to beginning of collection
2026  var previousItems = this.items.slice(0);
2027  this.items = items.concat( previousItems );
2028  // start new layout
2029  this._resetLayout();
2030  this._manageStamps();
2031  // layout new stuff without transition
2032  this.layoutItems( items, true );
2033  this.reveal( items );
2034  // layout previous items
2035  this.layoutItems( previousItems );
2036};
2037
2038/**
2039 * reveal a collection of items
2040 * @param {Array of Outlayer.Items} items
2041 */
2042proto.reveal = function( items ) {
2043  this._emitCompleteOnItems( 'reveal', items );
2044  if ( !items || !items.length ) {
2045    return;
2046  }
2047  var stagger = this.updateStagger();
2048  items.forEach( function( item, i ) {
2049    item.stagger( i * stagger );
2050    item.reveal();
2051  });
2052};
2053
2054/**
2055 * hide a collection of items
2056 * @param {Array of Outlayer.Items} items
2057 */
2058proto.hide = function( items ) {
2059  this._emitCompleteOnItems( 'hide', items );
2060  if ( !items || !items.length ) {
2061    return;
2062  }
2063  var stagger = this.updateStagger();
2064  items.forEach( function( item, i ) {
2065    item.stagger( i * stagger );
2066    item.hide();
2067  });
2068};
2069
2070/**
2071 * reveal item elements
2072 * @param {Array}, {Element}, {NodeList} items
2073 */
2074proto.revealItemElements = function( elems ) {
2075  var items = this.getItems( elems );
2076  this.reveal( items );
2077};
2078
2079/**
2080 * hide item elements
2081 * @param {Array}, {Element}, {NodeList} items
2082 */
2083proto.hideItemElements = function( elems ) {
2084  var items = this.getItems( elems );
2085  this.hide( items );
2086};
2087
2088/**
2089 * get Outlayer.Item, given an Element
2090 * @param {Element} elem
2091 * @param {Function} callback
2092 * @returns {Outlayer.Item} item
2093 */
2094proto.getItem = function( elem ) {
2095  // loop through items to get the one that matches
2096  for ( var i=0; i < this.items.length; i++ ) {
2097    var item = this.items[i];
2098    if ( item.element == elem ) {
2099      // return item
2100      return item;
2101    }
2102  }
2103};
2104
2105/**
2106 * get collection of Outlayer.Items, given Elements
2107 * @param {Array} elems
2108 * @returns {Array} items - Outlayer.Items
2109 */
2110proto.getItems = function( elems ) {
2111  elems = utils.makeArray( elems );
2112  var items = [];
2113  elems.forEach( function( elem ) {
2114    var item = this.getItem( elem );
2115    if ( item ) {
2116      items.push( item );
2117    }
2118  }, this );
2119
2120  return items;
2121};
2122
2123/**
2124 * remove element(s) from instance and DOM
2125 * @param {Array or NodeList or Element} elems
2126 */
2127proto.remove = function( elems ) {
2128  var removeItems = this.getItems( elems );
2129
2130  this._emitCompleteOnItems( 'remove', removeItems );
2131
2132  // bail if no items to remove
2133  if ( !removeItems || !removeItems.length ) {
2134    return;
2135  }
2136

2137  removeItems.forEach( function( item ) {
2138    item.remove();
2139    // remove item from collection
2140    utils.removeFrom( this.items, item );
2141  }, this );
2142};
2143
2144// ----- destroy ----- //
2145
2146// remove and disable Outlayer instance
2147proto.destroy = function() {
2148  // clean up dynamic styles
2149  var style = this.element.style;
2150  style.height = '';
2151  style.position = '';
2152  style.width = '';
2153  // destroy items
2154  this.items.forEach( function( item ) {
2155    item.destroy();
2156  });
2157
2158  this.unbindResize();
2159
2160  var id = this.element.outlayerGUID;
2161  delete instances[ id ]; // remove reference to instance by id
2162  delete this.element.outlayerGUID;
2163  // remove data for jQuery
2164  if ( jQuery ) {
2165    jQuery.removeData( this.element, this.constructor.namespace );
2166  }
2167
2168};
2169
2170// -------------------------- data -------------------------- //
2171
2172/**
2173 * get Outlayer instance from element
2174 * @param {Element} elem
2175 * @returns {Outlayer}
2176 */
2177Outlayer.data = function( elem ) {
2178  elem = utils.getQueryElement( elem );
2179  var id = elem && elem.outlayerGUID;
2180  return id && instances[ id ];
2181};
2182
2183
2184// -------------------------- create Outlayer class -------------------------- //
2185
2186/**
2187 * create a layout class
2188 * @param {String} namespace
2189 */
2190Outlayer.create = function( namespace, options ) {
2191  // sub-class Outlayer
2192  var Layout = subclass( Outlayer );
2193  // apply new options and compatOptions
2194  Layout.defaults = utils.extend( {}, Outlayer.defaults );
2195  utils.extend( Layout.defaults, options );
2196  Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions  );
2197
2198  Layout.namespace = namespace;
2199
2200  Layout.data = Outlayer.data;
2201
2202  // sub-class Item
2203  Layout.Item = subclass( Item );
2204
2205  // -------------------------- declarative -------------------------- //
2206
2207  utils.htmlInit( Layout, namespace );
2208
2209  // -------------------------- jQuery bridge -------------------------- //
2210
2211  // make into jQuery plugin
2212  if ( jQuery && jQuery.bridget ) {
2213    jQuery.bridget( namespace, Layout );
2214  }
2215
2216  return Layout;
2217};
2218
2219function subclass( Parent ) {
2220  function SubClass() {
2221    Parent.apply( this, arguments );
2222  }
2223
2224  SubClass.prototype = Object.create( Parent.prototype );
2225  SubClass.prototype.constructor = SubClass;
2226
2227  return SubClass;
2228}
2229
2230// ----- helpers ----- //
2231
2232// how many milliseconds are in each unit
2233var msUnits = {
2234  ms: 1,
2235  s: 1000
2236};
2237
2238// munge time-like parameter into millisecond number
2239// '0.4s' -> 40
2240function getMilliseconds( time ) {
2241  if ( typeof time == 'number' ) {
2242    return time;
2243  }
2244  var matches = time.match( /(^\d*\.?\d*)(\w*)/ );
2245  var num = matches && matches[1];
2246  var unit = matches && matches[2];
2247  if ( !num.length ) {
2248    return 0;
2249  }
2250  num = parseFloat( num );
2251  var mult = msUnits[ unit ] || 1;
2252  return num * mult;
2253}
2254
2255// ----- fin ----- //
2256
2257// back in global
2258Outlayer.Item = Item;
2259
2260return Outlayer;
2261
2262}));
2263
2264/*!
2265 * Masonry v4.2.2
2266 * Cascading grid layout library
2267 * https://masonry.desandro.com
2268 * MIT License
2269 * by David DeSandro
2270 */
2271
2272( function( window, factory ) {
2273  // universal module definition
2274  /* jshint strict: false */ /*globals define, module, require */
2275  if ( typeof define == 'function' && define.amd ) {
2276    // AMD
2277    define( [
2278        'outlayer/outlayer',
2279        'get-size/get-size'
2280      ],
2281      factory );
2282  } else if ( typeof module == 'object' && module.exports ) {
2283    // CommonJS
2284    module.exports = factory(
2285      require('outlayer'),
2286      require('get-size')
2287    );
2288  } else {
2289    // browser global
2290    window.Masonry = factory(
2291      window.Outlayer,
2292      window.getSize
2293    );
2294  }
2295
2296}( window, function factory( Outlayer, getSize ) {
2297
2298
2299
2300// -------------------------- masonryDefinition -------------------------- //
2301
2302  // create an Outlayer layout class
2303  var Masonry = Outlayer.create('masonry');
2304  // isFitWidth -> fitWidth
2305  Masonry.compatOptions.fitWidth = 'isFitWidth';
2306
2307  var proto = Masonry.prototype;
2308
2309  proto._resetLayout = function() {
2310    this.getSize();
2311    this._getMeasurement( 'columnWidth', 'outerWidth' );
2312    this._getMeasurement( 'gutter', 'outerWidth' );
2313    this.measureColumns();
2314
2315    // reset column Y
2316    this.colYs = [];
2317    for ( var i=0; i < this.cols; i++ ) {
2318      this.colYs.push( 0 );
2319    }
2320
2321    this.maxY = 0;
2322    this.horizontalColIndex = 0;
2323  };
2324
2325  proto.measureColumns = function() {
2326    this.getContainerWidth();
2327    // if columnWidth is 0, default to outerWidth of first item
2328    if ( !this.columnWidth ) {
2329      var firstItem = this.items[0];
2330      var firstItemElem = firstItem && firstItem.element;
2331      // columnWidth fall back to item of first element
2332      this.columnWidth = firstItemElem && getSize( firstItemElem ).outerWidth ||
2333        // if first elem has no width, default to size of container
2334        this.containerWidth;
2335    }
2336
2337    var columnWidth = this.columnWidth += this.gutter;
2338
2339    // calculate columns
2340    var containerWidth = this.containerWidth + this.gutter;
2341    var cols = containerWidth / columnWidth;
2342    // fix rounding errors, typically with gutters
2343    var excess = columnWidth - containerWidth % columnWidth;
2344    // if overshoot is less than a pixel, round up, otherwise floor it
2345    var mathMethod = excess && excess < 1 ? 'round' : 'floor';
2346    cols = Math[ mathMethod ]( cols );
2347    this.cols = Math.max( cols, 1 );
2348  };
2349
2350  proto.getContainerWidth = function() {
2351    // container is parent if fit width
2352    var isFitWidth = this._getOption('fitWidth');
2353    var container = isFitWidth ? this.element.parentNode : this.element;
2354    // check that this.size and size are there
2355    // IE8 triggers resize on body size change, so they might not be
2356    var size = getSize( container );
2357    this.containerWidth = size && size.innerWidth;
2358  };
2359
2360  proto._getItemLayoutPosition = function( item ) {
2361    item.getSize();
2362    // how many columns does this brick span
2363    var remainder = item.size.outerWidth % this.columnWidth;
2364    var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
2365    // round if off by 1 pixel, otherwise use ceil
2366    var colSpan = Math[ mathMethod ]( item.size.outerWidth / this.columnWidth );
2367    colSpan = Math.min( colSpan, this.cols );
2368    // use horizontal or top column position
2369    var colPosMethod = this.options.horizontalOrder ?
2370      '_getHorizontalColPosition' : '_getTopColPosition';
2371    var colPosition = this[ colPosMethod ]( colSpan, item );
2372    // position the brick
2373    var position = {
2374      x: this.columnWidth * colPosition.col,
2375      y: colPosition.y
2376    };
2377    // apply setHeight to necessary columns
2378    var setHeight = colPosition.y + item.size.outerHeight;
2379    var setMax = colSpan + colPosition.col;
2380    for ( var i = colPosition.col; i < setMax; i++ ) {
2381      this.colYs[i] = setHeight;
2382    }
2383
2384    return position;
2385  };
2386
2387  proto._getTopColPosition = function( colSpan ) {
2388    var colGroup = this._getTopColGroup( colSpan );
2389    // get the minimum Y value from the columns
2390    var minimumY = Math.min.apply( Math, colGroup );
2391
2392    return {
2393      col: colGroup.indexOf( minimumY ),
2394      y: minimumY,
2395    };
2396  };
2397
2398  /**
2399   * @param {Number} colSpan - number of columns the element spans
2400   * @returns {Array} colGroup
2401   */
2402  proto._getTopColGroup = function( colSpan ) {
2403    if ( colSpan < 2 ) {
2404      // if brick spans only one column, use all the column Ys
2405      return this.colYs;
2406    }
2407
2408    var colGroup = [];
2409    // how many different places could this brick fit horizontally
2410    var groupCount = this.cols + 1 - colSpan;
2411    // for each group potential horizontal position
2412    for ( var i = 0; i < groupCount; i++ ) {
2413      colGroup[i] = this._getColGroupY( i, colSpan );
2414    }
2415    return colGroup;
2416  };
2417
2418  proto._getColGroupY = function( col, colSpan ) {
2419    if ( colSpan < 2 ) {
2420      return this.colYs[ col ];
2421    }
2422    // make an array of colY values for that one group
2423    var groupColYs = this.colYs.slice( col, col + colSpan );
2424    // and get the max value of the array
2425    return Math.max.apply( Math, groupColYs );
2426  };
2427
2428  // get column position based on horizontal index. #873
2429  proto._getHorizontalColPosition = function( colSpan, item ) {
2430    var col = this.horizontalColIndex % this.cols;
2431    var isOver = colSpan > 1 && col + colSpan > this.cols;
2432    // shift to next row if item can't fit on current row
2433    col = isOver ? 0 : col;
2434    // don't let zero-size items take up space
2435    var hasSize = item.size.outerWidth && item.size.outerHeight;
2436    this.horizontalColIndex = hasSize ? col + colSpan : this.horizontalColIndex;
2437
2438    return {
2439      col: col,
2440      y: this._getColGroupY( col, colSpan ),
2441    };
2442  };
2443
2444  proto._manageStamp = function( stamp ) {
2445    var stampSize = getSize( stamp );
2446    var offset = this._getElementOffset( stamp );
2447    // get the columns that this stamp affects
2448    var isOriginLeft = this._getOption('originLeft');
2449    var firstX = isOriginLeft ? offset.left : offset.right;
2450    var lastX = firstX + stampSize.outerWidth;
2451    var firstCol = Math.floor( firstX / this.columnWidth );
2452    firstCol = Math.max( 0, firstCol );
2453    var lastCol = Math.floor( lastX / this.columnWidth );
2454    // lastCol should not go over if multiple of columnWidth #425
2455    lastCol -= lastX % this.columnWidth ? 0 : 1;
2456    lastCol = Math.min( this.cols - 1, lastCol );
2457    // set colYs to bottom of the stamp
2458
2459    var isOriginTop = this._getOption('originTop');
2460    var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) +
2461      stampSize.outerHeight;
2462    for ( var i = firstCol; i <= lastCol; i++ ) {
2463      this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
2464    }
2465  };
2466
2467  proto._getContainerSize = function() {
2468    this.maxY = Math.max.apply( Math, this.colYs );
2469    var size = {
2470      height: this.maxY
2471    };
2472
2473    if ( this._getOption('fitWidth') ) {
2474      size.width = this._getContainerFitWidth();
2475    }
2476
2477    return size;
2478  };
2479
2480  proto._getContainerFitWidth = function() {
2481    var unusedCols = 0;
2482    // count unused columns
2483    var i = this.cols;
2484    while ( --i ) {
2485      if ( this.colYs[i] !== 0 ) {
2486        break;
2487      }
2488      unusedCols++;
2489    }
2490    // fit container to columns that have been used
2491    return ( this.cols - unusedCols ) * this.columnWidth - this.gutter;
2492  };
2493
2494  proto.needsResizeLayout = function() {
2495    var previousWidth = this.containerWidth;
2496    this.getContainerWidth();
2497    return previousWidth != this.containerWidth;
2498  };
2499
2500  return Masonry;
2501
2502}));