https://eservices.ggmc.gov.gy/lib/masonry/dist/masonry.pkgd.js

1/*!
2 * Masonry PACKAGED v4.1.1
3 * Cascading grid layout library
4 * http://masonry.desandro.com
5 * MIT License
6 * by David DeSandro
7 */
8
9/**
10 * Bridget makes jQuery widgets
11 * v2.0.1
12 * MIT license
13 */
14
15/* jshint browser: true, strict: true, undef: true, unused: true */
16
17( function( window, factory ) {
18  // universal module definition
19  /*jshint strict: false */ /* globals define, module, require */
20  if ( typeof define == 'function' && define.amd ) {
21    // AMD
22    define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
23      return factory( window, jQuery );
24    });
25  } else if ( typeof module == 'object' && module.exports ) {
26    // CommonJS
27    module.exports = factory(
28      window,
29      require('jquery')
30    );
31  } else {
32    // browser global
33    window.jQueryBridget = factory(
34      window,
35      window.jQuery
36    );
37  }
38
39}( window, function factory( window, jQuery ) {
40'use strict';
41
42// ----- utils ----- //
43
44var arraySlice = Array.prototype.slice;
45
46// helper function for logging errors
47// $.error breaks jQuery chaining
48var console = window.console;
49var logError = typeof console == 'undefined' ? function() {} :
50  function( message ) {
51    console.error( message );
52  };
53
54// ----- jQueryBridget ----- //
55
56function jQueryBridget( namespace, PluginClass, $ ) {
57  $ = $ || jQuery || window.jQuery;
58  if ( !$ ) {
59    return;
60  }
61
62  // add option method -> $().plugin('option', {...})
63  if ( !PluginClass.prototype.option ) {
64    // option setter
65    PluginClass.prototype.option = function( opts ) {
66      // bail out if not an object
67      if ( !$.isPlainObject( opts ) ){
68        return;
69      }
70      this.options = $.extend( true, this.options, opts );
71    };
72  }
73
74  // make jQuery plugin
75  $.fn[ namespace ] = function( arg0 /*, arg1 */ ) {
76    if ( typeof arg0 == 'string' ) {
77      // method call $().plugin( 'methodName', { options } )
78      // shift arguments by 1
79      var args = arraySlice.call( arguments, 1 );
80      return methodCall( this, arg0, args );
81    }
82    // just $().plugin({ options })
83    plainCall( this, arg0 );
84    return this;
85  };
86
87  // $().plugin('methodName')
88  function methodCall( $elems, methodName, args ) {
89    var returnValue;
90    var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';
91
92    $elems.each( function( i, elem ) {
93      // get instance
94      var instance = $.data( elem, namespace );
95      if ( !instance ) {
96        logError( namespace + ' not initialized. Cannot call methods, i.e. ' +
97          pluginMethodStr );
98        return;
99      }
100
101      var method = instance[ methodName ];
102      if ( !method || methodName.charAt(0) == '_' ) {
103        logError( pluginMethodStr + ' is not a valid method' );
104        return;
105      }
106
107      // apply method, get return value
108      var value = method.apply( instance, args );
109      // set return value if value is returned, use only first value
110      returnValue = returnValue === undefined ? value : returnValue;
111    });
112
113    return returnValue !== undefined ? returnValue : $elems;
114  }
115
116  function plainCall( $elems, options ) {
117    $elems.each( function( i, elem ) {
118      var instance = $.data( elem, namespace );
119      if ( instance ) {
120        // set options & init
121        instance.option( options );
122        instance._init();
123      } else {
124        // initialize new instance
125        instance = new PluginClass( elem, options );
126        $.data( elem, namespace, instance );
127      }
128    });
129  }
130
131  updateJQuery( $ );
132
133}
134
135// ----- updateJQuery ----- //
136
137// set $.bridget for v1 backwards compatibility
138function updateJQuery( $ ) {
139  if ( !$ || ( $ && $.bridget ) ) {
140    return;
141  }
142  $.bridget = jQueryBridget;
143}
144
145updateJQuery( jQuery || window.jQuery );
146
147// -----  ----- //
148
149return jQueryBridget;
150
151}));
152
153/**
154 * EvEmitter v1.0.3
155 * Lil' event emitter
156 * MIT License
157 */
158
159/* jshint unused: true, undef: true, strict: true */
160
161( function( global, factory ) {
162  // universal module definition
163  /* jshint strict: false */ /* globals define, module, window */
164  if ( typeof define == 'function' && define.amd ) {
165    // AMD - RequireJS
166    define( 'ev-emitter/ev-emitter',factory );
167  } else if ( typeof module == 'object' && module.exports ) {
168    // CommonJS - Browserify, Webpack
169    module.exports = factory();
170  } else {
171    // Browser globals
172    global.EvEmitter = factory();
173  }
174
175}( typeof window != 'undefined' ? window : this, function() {
176
177
178
179function EvEmitter() {}
180
181var proto = EvEmitter.prototype;
182
183proto.on = function( eventName, listener ) {
184  if ( !eventName || !listener ) {
185    return;
186  }
187  // set events hash
188  var events = this._events = this._events || {};
189  // set listeners array
190  var listeners = events[ eventName ] = events[ eventName ] || [];
191  // only add once
192  if ( listeners.indexOf( listener ) == -1 ) {
193    listeners.push( listener );
194  }
195
196  return this;
197};
198
199proto.once = function( eventName, listener ) {
200  if ( !eventName || !listener ) {
201    return;
202  }
203  // add event
204  this.on( eventName, listener );
205  // set once flag
206  // set onceEvents hash
207  var onceEvents = this._onceEvents = this._onceEvents || {};
208  // set onceListeners object
209  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
210  // set flag
211  onceListeners[ listener ] = true;
212
213  return this;
214};
215
216proto.off = function( eventName, listener ) {
217  var listeners = this._events && this._events[ eventName ];
218  if ( !listeners || !listeners.length ) {
219    return;
220  }
221  var index = listeners.indexOf( listener );
222  if ( index != -1 ) {
223    listeners.splice( index, 1 );
224  }
225
226  return this;
227};
228
229proto.emitEvent = function( eventName, args ) {
230  var listeners = this._events && this._events[ eventName ];
231  if ( !listeners || !listeners.length ) {
232    return;
233  }
234  var i = 0;
235  var listener = listeners[i];
236  args = args || [];
237  // once stuff
238  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];
239
240  while ( listener ) {
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    // get next listener
252    i += isOnce ? 0 : 1;
253    listener = listeners[i];
254  }
255
256  return this;
257};
258
259return EvEmitter;
260
261}));
262
263/*!
264 * getSize v2.0.2
265 * measure size of elements
266 * MIT license
267 */
268
269/*jshint browser: true, strict: true, undef: true, unused: true */
270/*global define: false, module: false, console: false */
271
272( function( window, factory ) {
273  'use strict';
274
275  if ( typeof define == 'function' && define.amd ) {
276    // AMD
277    define( 'get-size/get-size',[],function() {
278      return factory();
279    });
280  } else if ( typeof module == 'object' && module.exports ) {
281    // CommonJS
282    module.exports = factory();
283  } else {
284    // browser global
285    window.getSize = factory();
286  }
287
288})( window, function factory() {
289'use strict';
290
291// -------------------------- helpers -------------------------- //
292
293// get a number from a string, not a percentage
294function getStyleSize( value ) {
295  var num = parseFloat( value );
296  // not a percent like '100%', and a number
297  var isValid = value.indexOf('%') == -1 && !isNaN( num );
298  return isValid && num;
299}
300
301function noop() {}
302
303var logError = typeof console == 'undefined' ? noop :
304  function( message ) {
305    console.error( message );
306  };
307
308// -------------------------- measurements -------------------------- //
309
310var measurements = [
311  'paddingLeft',
312  'paddingRight',
313  'paddingTop',
314  'paddingBottom',
315  'marginLeft',
316  'marginRight',
317  'marginTop',
318  'marginBottom',
319  'borderLeftWidth',
320  'borderRightWidth',
321  'borderTopWidth',
322  'borderBottomWidth'
323];
324
325var measurementsLength = measurements.length;
326
327function getZeroSize() {
328  var size = {
329    width: 0,
330    height: 0,
331    innerWidth: 0,
332    innerHeight: 0,
333    outerWidth: 0,
334    outerHeight: 0
335  };
336  for ( var i=0; i < measurementsLength; i++ ) {
337    var measurement = measurements[i];
338    size[ measurement ] = 0;
339  }
340  return size;
341}
342
343// -------------------------- getStyle -------------------------- //
344
345/**
346 * getStyle, get style of element, check for Firefox bug
347 * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
348 */
349function getStyle( elem ) {
350  var style = getComputedStyle( elem );
351  if ( !style ) {
352    logError( 'Style returned ' + style +
353      '. Are you running this code in a hidden iframe on Firefox? ' +
354      'See http://bit.ly/getsizebug1' );
355  }
356  return style;
357}
358
359// -------------------------- setup -------------------------- //
360
361var isSetup = false;
362
363var isBoxSizeOuter;
364
365/**
366 * setup
367 * check isBoxSizerOuter
368 * do on first getSize() rather than on page load for Firefox bug
369 */
370function setup() {
371  // setup once
372  if ( isSetup ) {
373    return;
374  }
375  isSetup = true;
376
377  // -------------------------- box sizing -------------------------- //
378
379  /**
380   * WebKit measures the outer-width on style.width on border-box elems
381   * IE & Firefox<29 measures the inner-width
382   */
383  var div = document.createElement('div');
384  div.style.width = '200px';
385  div.style.padding = '1px 2px 3px 4px';
386  div.style.borderStyle = 'solid';
387  div.style.borderWidth = '1px 2px 3px 4px';
388  div.style.boxSizing = 'border-box';
389
390  var body = document.body || document.documentElement;
391  body.appendChild( div );
392  var style = getStyle( div );
393
394  getSize.isBoxSizeOuter = isBoxSizeOuter = getStyleSize( style.width ) == 200;
395  body.removeChild( div );
396
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 v2.0.1
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 = 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 v2.0.2
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
583// turn element or nodeList into an array
584utils.makeArray = function( obj ) {
585  var ary = [];
586  if ( Array.isArray( obj ) ) {
587    // use object if already an array
588    ary = obj;
589  } else if ( obj && typeof obj.length == 'number' ) {
590    // convert nodeList to array
591    for ( var i=0; i < obj.length; i++ ) {
592      ary.push( obj[i] );
593    }
594  } else {
595    // array of single index
596    ary.push( obj );
597  }
598  return ary;
599};
600
601// ----- removeFrom ----- //
602
603utils.removeFrom = function( ary, obj ) {
604  var index = ary.indexOf( obj );
605  if ( index != -1 ) {
606    ary.splice( index, 1 );
607  }
608};
609
610// ----- getParent ----- //
611
612utils.getParent = function( elem, selector ) {
613  while ( elem != document.body ) {
614    elem = elem.parentNode;
615    if ( matchesSelector( elem, selector ) ) {
616      return elem;
617    }
618  }
619};
620
621// ----- getQueryElement ----- //
622
623// use element as selector string
624utils.getQueryElement = function( elem ) {
625  if ( typeof elem == 'string' ) {
626    return document.querySelector( elem );
627  }
628  return elem;
629};
630
631// ----- handleEvent ----- //
632
633// enable .ontype to trigger from .addEventListener( elem, 'type' )
634utils.handleEvent = function( event ) {
635  var method = 'on' + event.type;
636  if ( this[ method ] ) {
637    this[ method ]( event );
638  }
639};
640
641// ----- filterFindElements ----- //
642
643utils.filterFindElements = function( elems, selector ) {
644  // make array of elems
645  elems = utils.makeArray( elems );
646  var ffElems = [];
647
648  elems.forEach( function( elem ) {
649    // check that elem is an actual element
650    if ( !( elem instanceof HTMLElement ) ) {
651      return;
652    }
653    // add elem if no selector
654    if ( !selector ) {
655      ffElems.push( elem );
656      return;
657    }
658    // filter & find items if we have a selector
659    // filter
660    if ( matchesSelector( elem, selector ) ) {
661      ffElems.push( elem );
662    }
663    // find children
664    var childElems = elem.querySelectorAll( selector );
665    // concat childElems to filterFound array
666    for ( var i=0; i < childElems.length; i++ ) {
667      ffElems.push( childElems[i] );
668    }
669  });
670
671  return ffElems;
672};
673
674// ----- debounceMethod ----- //
675
676utils.debounceMethod = function( _class, methodName, threshold ) {
677  // original method
678  var method = _class.prototype[ methodName ];
679  var timeoutName = methodName + 'Timeout';
680
681  _class.prototype[ methodName ] = function() {
682    var timeout = this[ timeoutName ];
683    if ( timeout ) {
684      clearTimeout( timeout );
685    }
686    var args = arguments;
687
688    var _this = this;
689    this[ timeoutName ] = setTimeout( function() {
690      method.apply( _this, args );
691      delete _this[ timeoutName ];
692    }, threshold || 100 );
693  };
694};
695
696// ----- docReady ----- //
697
698utils.docReady = function( callback ) {
699  var readyState = document.readyState;
700  if ( readyState == 'complete' || readyState == 'interactive' ) {
701    callback();
702  } else {
703    document.addEventListener( 'DOMContentLoaded', callback );
704  }
705};
706
707// ----- htmlInit ----- //
708
709// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
710utils.toDashed = function( str ) {
711  return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
712    return $1 + '-' + $2;
713  }).toLowerCase();
714};
715
716var console = window.console;
717/**
718 * allow user to initialize classes via [data-namespace] or .js-namespace class
719 * htmlInit( Widget, 'widgetName' )
720 * options are parsed from data-namespace-options
721 */
722utils.htmlInit = function( WidgetClass, namespace ) {
723  utils.docReady( function() {
724    var dashedNamespace = utils.toDashed( namespace );
725    var dataAttr = 'data-' + dashedNamespace;
726    var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' );
727    var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace );
728    var elems = utils.makeArray( dataAttrElems )
729      .concat( utils.makeArray( jsDashElems ) );
730    var dataOptionsAttr = dataAttr + '-options';
731    var jQuery = window.jQuery;
732
733    elems.forEach( function( elem ) {
734      var attr = elem.getAttribute( dataAttr ) ||
735        elem.getAttribute( dataOptionsAttr );
736      var options;
737      try {
738        options = attr && JSON.parse( attr );
739      } catch ( error ) {
740        // log error, do not initialize
741        if ( console ) {
742          console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className +
743          ': ' + error );
744        }
745        return;
746      }
747      // initialize
748      var instance = new WidgetClass( elem, options );
749      // make available via $().data('layoutname')
750      if ( jQuery ) {
751        jQuery.data( elem, namespace, instance );
752      }
753    });
754
755  });
756};
757
758// -----  ----- //
759
760return utils;
761
762}));
763
764/**
765 * Outlayer Item
766 */
767
768( function( window, factory ) {
769  // universal module definition
770  /* jshint strict: false */ /* globals define, module, require */
771  if ( typeof define == 'function' && define.amd ) {
772    // AMD - RequireJS
773    define( 'outlayer/item',[
774        'ev-emitter/ev-emitter',
775        'get-size/get-size'
776      ],
777      factory
778    );
779  } else if ( typeof module == 'object' && module.exports ) {
780    // CommonJS - Browserify, Webpack
781    module.exports = factory(
782      require('ev-emitter'),
783      require('get-size')
784    );
785  } else {
786    // browser global
787    window.Outlayer = {};
788    window.Outlayer.Item = factory(
789      window.EvEmitter,
790      window.getSize
791    );
792  }
793
794}( window, function factory( EvEmitter, getSize ) {
795'use strict';
796
797// ----- helpers ----- //
798
799function isEmptyObj( obj ) {
800  for ( var prop in obj ) {
801    return false;
802  }
803  prop = null;
804  return true;
805}
806
807// -------------------------- CSS3 support -------------------------- //
808
809
810var docElemStyle = document.documentElement.style;
811
812var transitionProperty = typeof docElemStyle.transition == 'string' ?
813  'transition' : 'WebkitTransition';
814var transformProperty = typeof docElemStyle.transform == 'string' ?
815  'transform' : 'WebkitTransform';
816
817var transitionEndEvent = {
818  WebkitTransition: 'webkitTransitionEnd',
819  transition: 'transitionend'
820}[ transitionProperty ];
821
822// cache all vendor properties that could have vendor prefix
823var vendorProperties = {
824  transform: transformProperty,
825  transition: transitionProperty,
826  transitionDuration: transitionProperty + 'Duration',
827  transitionProperty: transitionProperty + 'Property',
828  transitionDelay: transitionProperty + 'Delay'
829};
830
831// -------------------------- Item -------------------------- //
832
833function Item( element, layout ) {
834  if ( !element ) {
835    return;
836  }
837
838  this.element = element;
839  // parent layout class, i.e. Masonry, Isotope, or Packery
840  this.layout = layout;
841  this.position = {
842    x: 0,
843    y: 0
844  };
845
846  this._create();
847}
848
849// inherit EvEmitter
850var proto = Item.prototype = Object.create( EvEmitter.prototype );
851proto.constructor = Item;
852
853proto._create = function() {
854  // transition objects
855  this._transn = {
856    ingProperties: {},
857    clean: {},
858    onEnd: {}
859  };
860
861  this.css({
862    position: 'absolute'
863  });
864};
865
866// trigger specified handler for event type
867proto.handleEvent = function( event ) {
868  var method = 'on' + event.type;
869  if ( this[ method ] ) {
870    this[ method ]( event );
871  }
872};
873
874proto.getSize = function() {
875  this.size = getSize( this.element );
876};
877
878/**
879 * apply CSS styles to element
880 * @param {Object} style
881 */
882proto.css = function( style ) {
883  var elemStyle = this.element.style;
884
885  for ( var prop in style ) {
886    // use vendor property if available
887    var supportedProp = vendorProperties[ prop ] || prop;
888    elemStyle[ supportedProp ] = style[ prop ];
889  }
890};
891
892 // measure position, and sets it
893proto.getPosition = function() {
894  var style = getComputedStyle( this.element );
895  var isOriginLeft = this.layout._getOption('originLeft');
896  var isOriginTop = this.layout._getOption('originTop');
897  var xValue = style[ isOriginLeft ? 'left' : 'right' ];
898  var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
899  // convert percent to pixels
900  var layoutSize = this.layout.size;
901  var x = xValue.indexOf('%') != -1 ?
902    ( parseFloat( xValue ) / 100 ) * layoutSize.width : parseInt( xValue, 10 );
903  var y = yValue.indexOf('%') != -1 ?
904    ( parseFloat( yValue ) / 100 ) * layoutSize.height : parseInt( yValue, 10 );
905
906  // clean up 'auto' or other non-integer values
907  x = isNaN( x ) ? 0 : x;
908  y = isNaN( y ) ? 0 : y;
909  // remove padding from measurement
910  x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
911  y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;
912
913  this.position.x = x;
914  this.position.y = y;
915};
916
917// set settled position, apply padding
918proto.layoutPosition = function() {
919  var layoutSize = this.layout.size;
920  var style = {};
921  var isOriginLeft = this.layout._getOption('originLeft');
922  var isOriginTop = this.layout._getOption('originTop');
923
924  // x
925  var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
926  var xProperty = isOriginLeft ? 'left' : 'right';
927  var xResetProperty = isOriginLeft ? 'right' : 'left';
928
929  var x = this.position.x + layoutSize[ xPadding ];
930  // set in percentage or pixels
931  style[ xProperty ] = this.getXValue( x );
932  // reset other property
933  style[ xResetProperty ] = '';
934
935  // y
936  var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
937  var yProperty = isOriginTop ? 'top' : 'bottom';
938  var yResetProperty = isOriginTop ? 'bottom' : 'top';
939
940  var y = this.position.y + layoutSize[ yPadding ];
941  // set in percentage or pixels
942  style[ yProperty ] = this.getYValue( y );
943  // reset other property
944  style[ yResetProperty ] = '';
945
946  this.css( style );
947  this.emitEvent( 'layout', [ this ] );
948};
949
950proto.getXValue = function( x ) {
951  var isHorizontal = this.layout._getOption('horizontal');
952  return this.layout.options.percentPosition && !isHorizontal ?
953    ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
954};
955
956proto.getYValue = function( y ) {
957  var isHorizontal = this.layout._getOption('horizontal');
958  return this.layout.options.percentPosition && isHorizontal ?
959    ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
960};
961
962proto._transitionTo = function( x, y ) {
963  this.getPosition();
964  // get current x & y from top/left
965  var curX = this.position.x;
966  var curY = this.position.y;
967
968  var compareX = parseInt( x, 10 );
969  var compareY = parseInt( y, 10 );
970  var didNotMove = compareX === this.position.x && compareY === this.position.y;
971
972  // save end position
973  this.setPosition( x, y );
974
975  // if did not move and not transitioning, just go to layout
976  if ( didNotMove && !this.isTransitioning ) {
977    this.layoutPosition();
978    return;
979  }
980
981  var transX = x - curX;
982  var transY = y - curY;
983  var transitionStyle = {};
984  transitionStyle.transform = this.getTranslate( transX, transY );
985
986  this.transition({
987    to: transitionStyle,
988    onTransitionEnd: {
989      transform: this.layoutPosition
990    },
991    isCleaning: true
992  });
993};
994
995proto.getTranslate = function( x, y ) {
996  // flip cooridinates if origin on right or bottom
997  var isOriginLeft = this.layout._getOption('originLeft');
998  var isOriginTop = this.layout._getOption('originTop');
999  x = isOriginLeft ? x : -x;
1000  y = isOriginTop ? y : -y;
1001  return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
1002};
1003
1004// non transition + transform support
1005proto.goTo = function( x, y ) {
1006  this.setPosition( x, y );
1007  this.layoutPosition();
1008};
1009
1010proto.moveTo = proto._transitionTo;
1011
1012proto.setPosition = function( x, y ) {
1013  this.position.x = parseInt( x, 10 );
1014  this.position.y = parseInt( y, 10 );
1015};
1016
1017// ----- transition ----- //
1018
1019/**
1020 * @param {Object} style - CSS
1021 * @param {Function} onTransitionEnd
1022 */
1023
1024// non transition, just trigger callback
1025proto._nonTransition = function( args ) {
1026  this.css( args.to );
1027  if ( args.isCleaning ) {
1028    this._removeStyles( args.to );
1029  }
1030  for ( var prop in args.onTransitionEnd ) {
1031    args.onTransitionEnd[ prop ].call( this );
1032  }
1033};
1034
1035/**
1036 * proper transition
1037 * @param {Object} args - arguments
1038 *   @param {Object} to - style to transition to
1039 *   @param {Object} from - style to start transition from
1040 *   @param {Boolean} isCleaning - removes transition styles after transition
1041 *   @param {Function} onTransitionEnd - callback
1042 */
1043proto.transition = function( args ) {
1044  // redirect to nonTransition if no transition duration
1045  if ( !parseFloat( this.layout.options.transitionDuration ) ) {
1046    this._nonTransition( args );
1047    return;
1048  }
1049
1050  var _transition = this._transn;
1051  // keep track of onTransitionEnd callback by css property
1052  for ( var prop in args.onTransitionEnd ) {
1053    _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ];
1054  }
1055  // keep track of properties that are transitioning
1056  for ( prop in args.to ) {
1057    _transition.ingProperties[ prop ] = true;
1058    // keep track of properties to clean up when transition is done
1059    if ( args.isCleaning ) {
1060      _transition.clean[ prop ] = true;
1061    }
1062  }
1063
1064  // set from styles
1065  if ( args.from ) {
1066    this.css( args.from );
1067    // force redraw. http://blog.alexmaccaw.com/css-transitions
1068    var h = this.element.offsetHeight;
1069    // hack for JSHint to hush about unused var
1070    h = null;
1071  }
1072  // enable transition
1073  this.enableTransition( args.to );
1074  // set styles that are transitioning
1075  this.css( args.to );
1076
1077  this.isTransitioning = true;
1078
1079};
1080
1081// dash before all cap letters, including first for
1082// WebkitTransform => -webkit-transform
1083function toDashedAll( str ) {
1084  return str.replace( /([A-Z])/g, function( $1 ) {
1085    return '-' + $1.toLowerCase();
1086  });
1087}
1088
1089var transitionProps = 'opacity,' + toDashedAll( transformProperty );
1090
1091proto.enableTransition = function(/* style */) {
1092  // HACK changing transitionProperty during a transition
1093  // will cause transition to jump
1094  if ( this.isTransitioning ) {
1095    return;
1096  }
1097
1098  // make `transition: foo, bar, baz` from style object
1099  // HACK un-comment this when enableTransition can work
1100  // while a transition is happening
1101  // var transitionValues = [];
1102  // for ( var prop in style ) {
1103  //   // dash-ify camelCased properties like WebkitTransition

1104  //   prop = vendorProperties[ prop ] || prop;
1105  //   transitionValues.push( toDashedAll( prop ) );
1106  // }
1107  // munge number to millisecond, to match stagger
1108  var duration = this.layout.options.transitionDuration;
1109  duration = typeof duration == 'number' ? duration + 'ms' : duration;
1110  // enable transition styles
1111  this.css({
1112    transitionProperty: transitionProps,
1113    transitionDuration: duration,
1114    transitionDelay: this.staggerDelay || 0
1115  });
1116  // listen for transition end event
1117  this.element.addEventListener( transitionEndEvent, this, false );
1118};
1119
1120// ----- events ----- //
1121
1122proto.onwebkitTransitionEnd = function( event ) {
1123  this.ontransitionend( event );
1124};
1125
1126proto.onotransitionend = function( event ) {
1127  this.ontransitionend( event );
1128};
1129
1130// properties that I munge to make my life easier
1131var dashedVendorProperties = {
1132  '-webkit-transform': 'transform'
1133};
1134
1135proto.ontransitionend = function( event ) {
1136  // disregard bubbled events from children
1137  if ( event.target !== this.element ) {
1138    return;
1139  }
1140  var _transition = this._transn;
1141  // get property name of transitioned property, convert to prefix-free
1142  var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName;
1143
1144  // remove property that has completed transitioning
1145  delete _transition.ingProperties[ propertyName ];
1146  // check if any properties are still transitioning
1147  if ( isEmptyObj( _transition.ingProperties ) ) {
1148    // all properties have completed transitioning
1149    this.disableTransition();
1150  }
1151  // clean style
1152  if ( propertyName in _transition.clean ) {
1153    // clean up style
1154    this.element.style[ event.propertyName ] = '';
1155    delete _transition.clean[ propertyName ];
1156  }
1157  // trigger onTransitionEnd callback
1158  if ( propertyName in _transition.onEnd ) {
1159    var onTransitionEnd = _transition.onEnd[ propertyName ];
1160    onTransitionEnd.call( this );
1161    delete _transition.onEnd[ propertyName ];
1162  }
1163
1164  this.emitEvent( 'transitionEnd', [ this ] );
1165};
1166
1167proto.disableTransition = function() {
1168  this.removeTransitionStyles();
1169  this.element.removeEventListener( transitionEndEvent, this, false );
1170  this.isTransitioning = false;
1171};
1172
1173/**
1174 * removes style property from element
1175 * @param {Object} style
1176**/
1177proto._removeStyles = function( style ) {
1178  // clean up transition styles
1179  var cleanStyle = {};
1180  for ( var prop in style ) {
1181    cleanStyle[ prop ] = '';
1182  }
1183  this.css( cleanStyle );
1184};
1185
1186var cleanTransitionStyle = {
1187  transitionProperty: '',
1188  transitionDuration: '',
1189  transitionDelay: ''
1190};
1191
1192proto.removeTransitionStyles = function() {
1193  // remove transition
1194  this.css( cleanTransitionStyle );
1195};
1196
1197// ----- stagger ----- //
1198
1199proto.stagger = function( delay ) {
1200  delay = isNaN( delay ) ? 0 : delay;
1201  this.staggerDelay = delay + 'ms';
1202};
1203
1204// ----- show/hide/remove ----- //
1205
1206// remove element from DOM
1207proto.removeElem = function() {
1208  this.element.parentNode.removeChild( this.element );
1209  // remove display: none
1210  this.css({ display: '' });
1211  this.emitEvent( 'remove', [ this ] );
1212};
1213
1214proto.remove = function() {
1215  // just remove element if no transition support or no transition
1216  if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
1217    this.removeElem();
1218    return;
1219  }
1220
1221  // start transition
1222  this.once( 'transitionEnd', function() {
1223    this.removeElem();
1224  });
1225  this.hide();
1226};
1227
1228proto.reveal = function() {
1229  delete this.isHidden;
1230  // remove display: none
1231  this.css({ display: '' });
1232
1233  var options = this.layout.options;
1234
1235  var onTransitionEnd = {};
1236  var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
1237  onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd;
1238
1239  this.transition({
1240    from: options.hiddenStyle,
1241    to: options.visibleStyle,
1242    isCleaning: true,
1243    onTransitionEnd: onTransitionEnd
1244  });
1245};
1246
1247proto.onRevealTransitionEnd = function() {
1248  // check if still visible
1249  // during transition, item may have been hidden
1250  if ( !this.isHidden ) {
1251    this.emitEvent('reveal');
1252  }
1253};
1254
1255/**
1256 * get style property use for hide/reveal transition end
1257 * @param {String} styleProperty - hiddenStyle/visibleStyle
1258 * @returns {String}
1259 */
1260proto.getHideRevealTransitionEndProperty = function( styleProperty ) {
1261  var optionStyle = this.layout.options[ styleProperty ];
1262  // use opacity
1263  if ( optionStyle.opacity ) {
1264    return 'opacity';
1265  }
1266  // get first property
1267  for ( var prop in optionStyle ) {
1268    return prop;
1269  }
1270};
1271
1272proto.hide = function() {
1273  // set flag
1274  this.isHidden = true;
1275  // remove display: none
1276  this.css({ display: '' });
1277
1278  var options = this.layout.options;
1279
1280  var onTransitionEnd = {};
1281  var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
1282  onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd;
1283
1284  this.transition({
1285    from: options.visibleStyle,
1286    to: options.hiddenStyle,
1287    // keep hidden stuff hidden
1288    isCleaning: true,
1289    onTransitionEnd: onTransitionEnd
1290  });
1291};
1292
1293proto.onHideTransitionEnd = function() {
1294  // check if still hidden
1295  // during transition, item may have been un-hidden
1296  if ( this.isHidden ) {
1297    this.css({ display: 'none' });
1298    this.emitEvent('hide');
1299  }
1300};
1301
1302proto.destroy = function() {
1303  this.css({
1304    position: '',
1305    left: '',
1306    right: '',
1307    top: '',
1308    bottom: '',
1309    transition: '',
1310    transform: ''
1311  });
1312};
1313
1314return Item;
1315
1316}));
1317
1318/*!
1319 * Outlayer v2.1.0

1319
1320 * the brains and guts of a layout library
1321 * MIT license
1322 */
1323
1324( function( window, factory ) {
1325  'use strict';
1326  // universal module definition
1327  /* jshint strict: false */ /* globals define, module, require */
1328  if ( typeof define == 'function' && define.amd ) {
1329    // AMD - RequireJS
1330    define( 'outlayer/outlayer',[
1331        'ev-emitter/ev-emitter',
1332        'get-size/get-size',
1333        'fizzy-ui-utils/utils',
1334        './item'
1335      ],
1336      function( EvEmitter, getSize, utils, Item ) {
1337        return factory( window, EvEmitter, getSize, utils, Item);
1338      }
1339    );
1340  } else if ( typeof module == 'object' && module.exports ) {
1341    // CommonJS - Browserify, Webpack
1342    module.exports = factory(
1343      window,
1344      require('ev-emitter'),
1345      require('get-size'),
1346      require('fizzy-ui-utils'),
1347      require('./item')
1348    );
1349  } else {
1350    // browser global
1351    window.Outlayer = factory(
1352      window,
1353      window.EvEmitter,
1354      window.getSize,
1355      window.fizzyUIUtils,
1356      window.Outlayer.Item
1357    );
1358  }
1359
1360}( window, function factory( window, EvEmitter, getSize, utils, Item ) {
1361'use strict';
1362
1363// ----- vars ----- //
1364
1365var console = window.console;
1366var jQuery = window.jQuery;
1367var noop = function() {};
1368
1369// -------------------------- Outlayer -------------------------- //
1370
1371// globally unique identifiers
1372var GUID = 0;
1373// internal store of all Outlayer intances
1374var instances = {};
1375
1376
1377/**
1378 * @param {Element, String} element
1379 * @param {Object} options
1380 * @constructor
1381 */
1382function Outlayer( element, options ) {
1383  var queryElement = utils.getQueryElement( element );
1384  if ( !queryElement ) {
1385    if ( console ) {
1386      console.error( 'Bad element for ' + this.constructor.namespace +
1387        ': ' + ( queryElement || element ) );
1388    }
1389    return;
1390  }
1391  this.element = queryElement;
1392  // add jQuery
1393  if ( jQuery ) {
1394    this.$element = jQuery( this.element );
1395  }
1396
1397  // options
1398  this.options = utils.extend( {}, this.constructor.defaults );
1399  this.option( options );
1400
1401  // add id for Outlayer.getFromElement
1402  var id = ++GUID;
1403  this.element.outlayerGUID = id; // expando
1404  instances[ id ] = this; // associate via id
1405
1406  // kick it off
1407  this._create();
1408
1409  var isInitLayout = this._getOption('initLayout');
1410  if ( isInitLayout ) {
1411    this.layout();
1412  }
1413}
1414
1415// settings are for internal use only
1416Outlayer.namespace = 'outlayer';
1417Outlayer.Item = Item;
1418
1419// default options
1420Outlayer.defaults = {
1421  containerStyle: {
1422    position: 'relative'
1423  },
1424  initLayout: true,
1425  originLeft: true,
1426  originTop: true,
1427  resize: true,
1428  resizeContainer: true,
1429  // item options
1430  transitionDuration: '0.4s',
1431  hiddenStyle: {
1432    opacity: 0,
1433    transform: 'scale(0.001)'
1434  },
1435  visibleStyle: {
1436    opacity: 1,
1437    transform: 'scale(1)'
1438  }
1439};
1440
1441var proto = Outlayer.prototype;
1442// inherit EvEmitter
1443utils.extend( proto, EvEmitter.prototype );
1444
1445/**
1446 * set options
1447 * @param {Object} opts
1448 */
1449proto.option = function( opts ) {
1450  utils.extend( this.options, opts );
1451};
1452
1453/**
1454 * get backwards compatible option value, check old name
1455 */
1456proto._getOption = function( option ) {
1457  var oldOption = this.constructor.compatOptions[ option ];
1458  return oldOption && this.options[ oldOption ] !== undefined ?
1459    this.options[ oldOption ] : this.options[ option ];
1460};
1461
1462Outlayer.compatOptions = {
1463  // currentName: oldName
1464  initLayout: 'isInitLayout',
1465  horizontal: 'isHorizontal',
1466  layoutInstant: 'isLayoutInstant',
1467  originLeft: 'isOriginLeft',
1468  originTop: 'isOriginTop',
1469  resize: 'isResizeBound',
1470  resizeContainer: 'isResizingContainer'
1471};
1472
1473proto._create = function() {
1474  // get items from children
1475  this.reloadItems();
1476  // elements that affect layout, but are not laid out
1477  this.stamps = [];
1478  this.stamp( this.options.stamp );
1479  // set container style
1480  utils.extend( this.element.style, this.options.containerStyle );
1481
1482  // bind resize method
1483  var canBindResize = this._getOption('resize');
1484  if ( canBindResize ) {
1485    this.bindResize();
1486  }
1487};
1488
1489// goes through all children again and gets bricks in proper order
1490proto.reloadItems = function() {
1491  // collection of item elements
1492  this.items = this._itemize( this.element.children );
1493};
1494
1495
1496/**
1497 * turn elements into Outlayer.Items to be used in layout
1498 * @param {Array or NodeList or HTMLElement} elems
1499 * @returns {Array} items - collection of new Outlayer Items
1500 */
1501proto._itemize = function( elems ) {
1502
1503  var itemElems = this._filterFindItemElements( elems );
1504  var Item = this.constructor.Item;
1505
1506  // create new Outlayer Items for collection
1507  var items = [];
1508  for ( var i=0; i < itemElems.length; i++ ) {
1509    var elem = itemElems[i];
1510    var item = new Item( elem, this );
1511    items.push( item );
1512  }
1513
1514  return items;
1515};
1516
1517/**
1518 * get item elements to be used in layout
1519 * @param {Array or NodeList or HTMLElement} elems
1520 * @returns {Array} items - item elements
1521 */
1522proto._filterFindItemElements = function( elems ) {
1523  return utils.filterFindElements( elems, this.options.itemSelector );
1524};
1525
1526/**
1527 * getter method for getting item elements
1528 * @returns {Array} elems - collection of item elements
1529 */
1530proto.getItemElements = function() {
1531  return this.items.map( function( item ) {
1532    return item.element;
1533  });
1534};
1535
1536// ----- init & layout ----- //
1537
1538/**
1539 * lays out all items
1540 */
1541proto.layout = function() {
1542  this._resetLayout();
1543  this._manageStamps();
1544
1545  // don't animate first layout
1546  var layoutInstant = this._getOption('layoutInstant');
1547  var isInstant = layoutInstant !== undefined ?
1548    layoutInstant : !this._isLayoutInited;
1549  this.layoutItems( this.items, isInstant );
1550
1551  // flag for initalized
1552  this._isLayoutInited = true;
1553};
1554
1555// _init is alias for layout
1556proto._init = proto.layout;
1557
1558/**
1559 * logic before any new layout
1560 */
1561proto._resetLayout = function() {
1562  this.getSize();
1563};
1564
1565
1566proto.getSize = function() {
1567  this.size = getSize( this.element );
1568};
1569
1570/**
1571 * get measurement from option, for columnWidth, rowHeight, gutter
1572 * if option is String -> get element from selector string, & get size of element
1573 * if option is Element -> get size of element
1574 * else use option as a number
1575 *
1576 * @param {String} measurement
1577 * @param {String} size - width or height
1578 * @private
1579 */
1580proto._getMeasurement = function( measurement, size ) {
1581  var option = this.options[ measurement ];
1582  var elem;
1583  if ( !option ) {
1584    // default to 0
1585    this[ measurement ] = 0;
1586  } else {
1587    // use option as an element
1588    if ( typeof option == 'string' ) {
1589      elem = this.element.querySelector( option );
1590    } else if ( option instanceof HTMLElement ) {
1591      elem = option;
1592    }
1593    // use size of element, if element
1594    this[ measurement ] = elem ? getSize( elem )[ size ] : option;
1595  }
1596};
1597
1598/**
1599 * layout a collection of item elements
1600 * @api public
1601 */
1602proto.layoutItems = function( items, isInstant ) {
1603  items = this._getItemsForLayout( items );
1604
1605  this._layoutItems( items, isInstant );
1606
1607  this._postLayout();
1608};
1609
1610/**
1611 * get the items to be laid out
1612 * you may want to skip over some items
1613 * @param {Array} items
1614 * @returns {Array} items
1615 */
1616proto._getItemsForLayout = function( items ) {
1617  return items.filter( function( item ) {
1618    return !item.isIgnored;
1619  });
1620};
1621
1622/**
1623 * layout items
1624 * @param {Array} items
1625 * @param {Boolean} isInstant
1626 */
1627proto._layoutItems = function( items, isInstant ) {
1628  this._emitCompleteOnItems( 'layout', items );
1629
1630  if ( !items || !items.length ) {
1631    // no items, emit event with empty array
1632    return;
1633  }
1634
1635  var queue = [];
1636
1637  items.forEach( function( item ) {
1638    // get x/y object from method
1639    var position = this._getItemLayoutPosition( item );
1640    // enqueue
1641    position.item = item;
1642    position.isInstant = isInstant || item.isLayoutInstant;
1643    queue.push( position );
1644  }, this );
1645
1646  this._processLayoutQueue( queue );
1647};
1648
1649/**
1650 * get item layout position
1651 * @param {Outlayer.Item} item
1652 * @returns {Object} x and y position
1653 */
1654proto._getItemLayoutPosition = function( /* item */ ) {
1655  return {
1656    x: 0,
1657    y: 0
1658  };
1659};
1660
1661/**
1662 * iterate over array and position each item
1663 * Reason being - separating this logic prevents 'layout invalidation'
1664 * thx @paul_irish
1665 * @param {Array} queue
1666 */
1667proto._processLayoutQueue = function( queue ) {
1668  this.updateStagger();
1669  queue.forEach( function( obj, i ) {
1670    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i );
1671  }, this );
1672};
1673
1674// set stagger from option in milliseconds number
1675proto.updateStagger = function() {
1676  var stagger = this.options.stagger;
1677  if ( stagger === null || stagger === undefined ) {
1678    this.stagger = 0;
1679    return;
1680  }
1681  this.stagger = getMilliseconds( stagger );
1682  return this.stagger;
1683};
1684
1685/**
1686 * Sets position of item in DOM
1687 * @param {Outlayer.Item} item
1688 * @param {Number} x - horizontal position
1689 * @param {Number} y - vertical position
1690 * @param {Boolean} isInstant - disables transitions
1691 */
1692proto._positionItem = function( item, x, y, isInstant, i ) {
1693  if ( isInstant ) {
1694    // if not transition, just set CSS
1695    item.goTo( x, y );
1696  } else {
1697    item.stagger( i * this.stagger );
1698    item.moveTo( x, y );
1699  }
1700};
1701
1702/**
1703 * Any logic you want to do after each layout,
1704 * i.e. size the container
1705 */
1706proto._postLayout = function() {
1707  this.resizeContainer();
1708};
1709
1710proto.resizeContainer = function() {
1711  var isResizingContainer = this._getOption('resizeContainer');
1712  if ( !isResizingContainer ) {
1713    return;
1714  }
1715  var size = this._getContainerSize();
1716  if ( size ) {
1717    this._setContainerMeasure( size.width, true );
1718    this._setContainerMeasure( size.height, false );
1719  }
1720};
1721
1722/**
1723 * Sets width or height of container if returned
1724 * @returns {Object} size
1725 *   @param {Number} width
1726 *   @param {Number} height
1727 */
1728proto._getContainerSize = noop;
1729
1730/**
1731 * @param {Number} measure - size of width or height
1732 * @param {Boolean} isWidth
1733 */
1734proto._setContainerMeasure = function( measure, isWidth ) {
1735  if ( measure === undefined ) {
1736    return;
1737  }
1738
1739  var elemSize = this.size;
1740  // add padding and border width if border box
1741  if ( elemSize.isBorderBox ) {
1742    measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
1743      elemSize.borderLeftWidth + elemSize.borderRightWidth :
1744      elemSize.paddingBottom + elemSize.paddingTop +
1745      elemSize.borderTopWidth + elemSize.borderBottomWidth;
1746  }
1747
1748  measure = Math.max( measure, 0 );
1749  this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px';
1750};
1751
1752/**
1753 * emit eventComplete on a collection of items events
1754 * @param {String} eventName
1755 * @param {Array} items - Outlayer.Items
1756 */
1757proto._emitCompleteOnItems = function( eventName, items ) {
1758  var _this = this;
1759  function onComplete() {
1760    _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
1761  }
1762
1763  var count = items.length;
1764  if ( !items || !count ) {
1765    onComplete();
1766    return;
1767  }
1768
1769  var doneCount = 0;
1770  function tick() {
1771    doneCount++;
1772    if ( doneCount == count ) {
1773      onComplete();
1774    }
1775  }
1776
1777  // bind callback
1778  items.forEach( function( item ) {
1779    item.once( eventName, tick );
1780  });
1781};
1782
1783/**
1784 * emits events via EvEmitter and jQuery events
1785 * @param {String} type - name of event
1786 * @param {Event} event - original event
1787 * @param {Array} args - extra arguments
1788 */
1789proto.dispatchEvent = function( type, event, args ) {
1790  // add original event to arguments
1791  var emitArgs = event ? [ event ].concat( args ) : args;
1792  this.emitEvent( type, emitArgs );
1793
1794  if ( jQuery ) {
1795    // set this.$element
1796    this.$element = this.$element || jQuery( this.element );
1797    if ( event ) {
1798      // create jQuery event
1799      var $event = jQuery.Event( event );
1800      $event.type = type;
1801      this.$element.trigger( $event, args );
1802    } else {
1803      // just trigger with type if no event available
1804      this.$element.trigger( type, args );
1805    }
1806  }
1807};
1808
1809// -------------------------- ignore & stamps -------------------------- //
1810
1811
1812/**
1813 * keep item in collection, but do not lay it out
1814 * ignored items do not get skipped in layout
1815 * @param {Element} elem
1816 */
1817proto.ignore = function( elem ) {
1818  var item = this.getItem( elem );
1819  if ( item ) {
1820    item.isIgnored = true;
1821  }
1822};
1823
1824/**
1825 * return item to layout collection
1826 * @param {Element} elem
1827 */
1828proto.unignore = function( elem ) {
1829  var item = this.getItem( elem );
1830  if ( item ) {
1831    delete item.isIgnored;
1832  }
1833};
1834
1835/**
1836 * adds elements to stamps
1837 * @param {NodeList, Array, Element, or String} elems
1838 */
1839proto.stamp = function( elems ) {
1840  elems = this._find( elems );
1841  if ( !elems ) {
1842    return;
1843  }
1844
1845  this.stamps = this.stamps.concat( elems );
1846  // ignore
1847  elems.forEach( this.ignore, this );
1848};
1849
1850/**
1851 * removes elements to stamps
1852 * @param {NodeList, Array, or Element} elems
1853 */
1854proto.unstamp = function( elems ) {
1855  elems = this._find( elems );
1856  if ( !elems ){
1857    return;
1858  }
1859
1860  elems.forEach( function( elem ) {
1861    // filter out removed stamp elements
1862    utils.removeFrom( this.stamps, elem );
1863    this.unignore( elem );
1864  }, this );
1865};
1866
1867/**
1868 * finds child elements
1869 * @param {NodeList, Array, Element, or String} elems
1870 * @returns {Array} elems
1871 */
1872proto._find = function( elems ) {
1873  if ( !elems ) {
1874    return;
1875  }
1876  // if string, use argument as selector string
1877  if ( typeof elems == 'string' ) {
1878    elems = this.element.querySelectorAll( elems );
1879  }
1880  elems = utils.makeArray( elems );
1881  return elems;
1882};
1883
1884proto._manageStamps = function() {
1885  if ( !this.stamps || !this.stamps.length ) {
1886    return;
1887  }
1888
1889  this._getBoundingRect();
1890
1891  this.stamps.forEach( this._manageStamp, this );
1892};
1893
1894// update boundingLeft / Top
1895proto._getBoundingRect = function() {
1896  // get bounding rect for container element
1897  var boundingRect = this.element.getBoundingClientRect();
1898  var size = this.size;
1899  this._boundingRect = {
1900    left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
1901    top: boundingRect.top + size.paddingTop + size.borderTopWidth,
1902    right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
1903    bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
1904  };
1905};
1906
1907/**
1908 * @param {Element} stamp
1909**/
1910proto._manageStamp = noop;
1911
1912/**
1913 * get x/y position of element relative to container element
1914 * @param {Element} elem
1915 * @returns {Object} offset - has left, top, right, bottom
1916 */
1917proto._getElementOffset = function( elem ) {
1918  var boundingRect = elem.getBoundingClientRect();
1919  var thisRect = this._boundingRect;
1920  var size = getSize( elem );
1921  var offset = {
1922    left: boundingRect.left - thisRect.left - size.marginLeft,
1923    top: boundingRect.top - thisRect.top - size.marginTop,
1924    right: thisRect.right - boundingRect.right - size.marginRight,
1925    bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
1926  };
1927  return offset;
1928};
1929
1930// -------------------------- resize -------------------------- //
1931
1932// enable event handlers for listeners
1933// i.e. resize -> onresize
1934proto.handleEvent = utils.handleEvent;
1935
1936/**
1937 * Bind layout to window resizing
1938 */
1939proto.bindResize = function() {
1940  window.addEventListener( 'resize', this );
1941  this.isResizeBound = true;
1942};
1943
1944/**
1945 * Unbind layout to window resizing
1946 */
1947proto.unbindResize = function() {
1948  window.removeEventListener( 'resize', this );
1949  this.isResizeBound = false;
1950};
1951
1952proto.onresize = function() {
1953  this.resize();
1954};
1955
1956utils.debounceMethod( Outlayer, 'onresize', 100 );
1957
1958proto.resize = function() {
1959  // don't trigger if size did not change
1960  // or if resize was unbound. See #9
1961  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
1962    return;
1963  }
1964
1965  this.layout();
1966};
1967
1968/**
1969 * check if layout is needed post layout
1970 * @returns Boolean
1971 */
1972proto.needsResizeLayout = function() {
1973  var size = getSize( this.element );
1974  // check that this.size and size are there
1975  // IE8 triggers resize on body size change, so they might not be
1976  var hasSizes = this.size && size;
1977  return hasSizes && size.innerWidth !== this.size.innerWidth;
1978};
1979
1980// -------------------------- methods -------------------------- //
1981
1982/**
1983 * add items to Outlayer instance
1984 * @param {Array or NodeList or Element} elems
1985 * @returns {Array} items - Outlayer.Items
1986**/
1987proto.addItems = function( elems ) {
1988  var items = this._itemize( elems );
1989  // add items to collection
1990  if ( items.length ) {
1991    this.items = this.items.concat( items );
1992  }
1993  return items;
1994};
1995
1996/**
1997 * Layout newly-appended item elements
1998 * @param {Array or NodeList or Element} elems
1999 */
2000proto.appended = function( elems ) {
2001  var items = this.addItems( elems );
2002  if ( !items.length ) {
2003    return;
2004  }
2005  // layout and reveal just the new items
2006  this.layoutItems( items, true );
2007  this.reveal( items );
2008};
2009
2010/**
2011 * Layout prepended elements
2012 * @param {Array or NodeList or Element} elems
2013 */
2014proto.prepended = function( elems ) {
2015  var items = this._itemize( elems );
2016  if ( !items.length ) {
2017    return;
2018  }
2019  // add items to beginning of collection
2020  var previousItems = this.items.slice(0);
2021  this.items = items.concat( previousItems );
2022  // start new layout
2023  this._resetLayout();
2024  this._manageStamps();
2025  // layout new stuff without transition
2026  this.layoutItems( items, true );
2027  this.reveal( items );
2028  // layout previous items
2029  this.layoutItems( previousItems );
2030};
2031
2032/**
2033 * reveal a collection of items
2034 * @param {Array of Outlayer.Items} items
2035 */
2036proto.reveal = function( items ) {
2037  this._emitCompleteOnItems( 'reveal', items );
2038  if ( !items || !items.length ) {
2039    return;
2040  }
2041  var stagger = this.updateStagger();
2042  items.forEach( function( item, i ) {
2043    item.stagger( i * stagger );
2044    item.reveal();
2045  });
2046};
2047
2048/**
2049 * hide a collection of items
2050 * @param {Array of Outlayer.Items} items
2051 */
2052proto.hide = function( items ) {
2053  this._emitCompleteOnItems( 'hide', items );
2054  if ( !items || !items.length ) {
2055    return;
2056  }
2057  var stagger = this.updateStagger();
2058  items.forEach( function( item, i ) {
2059    item.stagger( i * stagger );
2060    item.hide();
2061  });
2062};
2063
2064/**
2065 * reveal item elements
2066 * @param {Array}, {Element}, {NodeList} items
2067 */
2068proto.revealItemElements = function( elems ) {
2069  var items = this.getItems( elems );
2070  this.reveal( items );
2071};
2072
2073/**
2074 * hide item elements
2075 * @param {Array}, {Element}, {NodeList} items
2076 */
2077proto.hideItemElements = function( elems ) {
2078  var items = this.getItems( elems );
2079  this.hide( items );
2080};
2081
2082/**
2083 * get Outlayer.Item, given an Element
2084 * @param {Element} elem
2085 * @param {Function} callback
2086 * @returns {Outlayer.Item} item
2087 */
2088proto.getItem = function( elem ) {
2089  // loop through items to get the one that matches
2090  for ( var i=0; i < this.items.length; i++ ) {
2091    var item = this.items[i];
2092    if ( item.element == elem ) {
2093      // return item
2094      return item;
2095    }
2096  }
2097};
2098
2099/**
2100 * get collection of Outlayer.Items, given Elements
2101 * @param {Array} elems
2102 * @returns {Array} items - Outlayer.Items
2103 */
2104proto.getItems = function( elems ) {
2105  elems = utils.makeArray( elems );
2106  var items = [];
2107  elems.forEach( function( elem ) {
2108    var item = this.getItem( elem );
2109    if ( item ) {
2110      items.push( item );
2111    }
2112  }, this );
2113
2114  return items;
2115};
2116
2117/**
2118 * remove element(s) from instance and DOM
2119 * @param {Array or NodeList or Element} elems
2120 */
2121proto.remove = function( elems ) {
2122  var removeItems = this.getItems( elems );
2123
2124  this._emitCompleteOnItems( 'remove', removeItems );
2125
2126  // bail if no items to remove
2127  if ( !removeItems || !removeItems.length ) {
2128    return;
2129  }
2130
2131  removeItems.forEach( function( item ) {
2132    item.remove();
2133    // remove item from collection
2134    utils.removeFrom( this.items, item );
2135  }, this );
2136};
2137
2138// ----- destroy ----- //
2139
2140// remove and disable Outlayer instance
2141proto.destroy = function() {
2142  // clean up dynamic styles
2143  var style = this.element.style;
2144  style.height = '';
2145  style.position = '';
2146  style.width = '';
2147  // destroy items
2148  this.items.forEach( function( item ) {
2149    item.destroy();
2150  });
2151
2152  this.unbindResize();
2153
2154  var id = this.element.outlayerGUID;
2155  delete instances[ id ]; // remove reference to instance by id
2156  delete this.element.outlayerGUID;
2157  // remove data for jQuery
2158  if ( jQuery ) {
2159    jQuery.removeData( this.element, this.constructor.namespace );
2160  }
2161
2162};
2163
2164// -------------------------- data -------------------------- //
2165
2166/**
2167 * get Outlayer instance from element
2168 * @param {Element} elem
2169 * @returns {Outlayer}
2170 */
2171Outlayer.data = function( elem ) {
2172  elem = utils.getQueryElement( elem );
2173  var id = elem && elem.outlayerGUID;
2174  return id && instances[ id ];
2175};
2176
2177
2178// -------------------------- create Outlayer class -------------------------- //
2179
2180/**
2181 * create a layout class
2182 * @param {String} namespace
2183 */
2184Outlayer.create = function( namespace, options ) {
2185  // sub-class Outlayer
2186  var Layout = subclass( Outlayer );
2187  // apply new options and compatOptions
2188  Layout.defaults = utils.extend( {}, Outlayer.defaults );
2189  utils.extend( Layout.defaults, options );
2190  Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions  );
2191
2192  Layout.namespace = namespace;
2193
2194  Layout.data = Outlayer.data;
2195
2196  // sub-class Item
2197  Layout.Item = subclass( Item );
2198
2199  // -------------------------- declarative -------------------------- //
2200
2201  utils.htmlInit( Layout, namespace );
2202
2203  // -------------------------- jQuery bridge -------------------------- //
2204
2205  // make into jQuery plugin
2206  if ( jQuery && jQuery.bridget ) {
2207    jQuery.bridget( namespace, Layout );
2208  }
2209
2210  return Layout;
2211};
2212
2213function subclass( Parent ) {
2214  function SubClass() {
2215    Parent.apply( this, arguments );
2216  }
2217
2218  SubClass.prototype = Object.create( Parent.prototype );
2219  SubClass.prototype.constructor = SubClass;
2220
2221  return SubClass;
2222}
2223
2224// ----- helpers ----- //
2225
2226// how many milliseconds are in each unit
2227var msUnits = {
2228  ms: 1,
2229  s: 1000
2230};
2231
2232// munge time-like parameter into millisecond number
2233// '0.4s' -> 40
2234function getMilliseconds( time ) {
2235  if ( typeof time == 'number' ) {
2236    return time;
2237  }
2238  var matches = time.match( /(^\d*\.?\d*)(\w*)/ );
2239  var num = matches && matches[1];
2240  var unit = matches && matches[2];
2241  if ( !num.length ) {
2242    return 0;
2243  }
2244  num = parseFloat( num );
2245  var mult = msUnits[ unit ] || 1;
2246  return num * mult;
2247}
2248
2249// ----- fin ----- //
2250
2251// back in global
2252Outlayer.Item = Item;
2253
2254return Outlayer;
2255
2256}));
2257
2258/*

2299  Masonry.compatOptions.fitWidth = 'isFitWidth';
2300
2301  Masonry.prototype._resetLayout = function() {
2302    this.getSize();
2303    this._getMeasurement( 'columnWidth', 'outerWidth' );
2304    this._getMeasurement( 'gutter', 'outerWidth' );
2305    this.measureColumns();
2306
2307    // reset column Y
2308    this.colYs = [];
2309    for ( var i=0; i < this.cols; i++ ) {
2310      this.colYs.push( 0 );
2311    }
2312
2313    this.maxY = 0;
2314  };
2315
2316  Masonry.prototype.measureColumns = function() {
2317    this.getContainerWidth();
2318    // if columnWidth is 0, default to outerWidth of first item
2319    if ( !this.columnWidth ) {
2320      var firstItem = this.items[0];
2321      var firstItemElem = firstItem && firstItem.element;
2322      // columnWidth fall back to item of first element
2323      this.columnWidth = firstItemElem && getSize( firstItemElem ).outerWidth ||
2324        // if first elem has no width, default to size of container
2325        this.containerWidth;
2326    }
2327
2328    var columnWidth = this.columnWidth += this.gutter;
2329
2330    // calculate columns
2331    var containerWidth = this.containerWidth + this.gutter;
2332    var cols = containerWidth / columnWidth;
2333    // fix rounding errors, typically with gutters
2334    var excess = columnWidth - containerWidth % columnWidth;
2335    // if overshoot is less than a pixel, round up, otherwise floor it
2336    var mathMethod = excess && excess < 1 ? 'round' : 'floor';
2337    cols = Math[ mathMethod ]( cols );
2338    this.cols = Math.max( cols, 1 );
2339  };
2340
2341  Masonry.prototype.getContainerWidth = function() {
2342    // container is parent if fit width
2343    var isFitWidth = this._getOption('fitWidth');
2344    var container = isFitWidth ? this.element.parentNode : this.element;
2345    // check that this.size and size are there
2346    // IE8 triggers resize on body size change, so they might not be
2347    var size = getSize( container );
2348    this.containerWidth = size && size.innerWidth;
2349  };
2350
2351  Masonry.prototype._getItemLayoutPosition = function( item ) {
2352    item.getSize();
2353    // how many columns does this brick span
2354    var remainder = item.size.outerWidth % this.columnWidth;
2355    var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
2356    // round if off by 1 pixel, otherwise use ceil
2357    var colSpan = Math[ mathMethod ]( item.size.outerWidth / this.columnWidth );
2358    colSpan = Math.min( colSpan, this.cols );
2359
2360    var colGroup = this._getColGroup( colSpan );
2361    // get the minimum Y value from the columns
2362    var minimumY = Math.min.apply( Math, colGroup );
2363    var shortColIndex = colGroup.indexOf( minimumY );
2364
2365    // position the brick
2366    var position = {
2367      x: this.columnWidth * shortColIndex,
2368      y: minimumY
2369    };
2370
2371    // apply setHeight to necessary columns
2372    var setHeight = minimumY + item.size.outerHeight;
2373    var setSpan = this.cols + 1 - colGroup.length;
2374    for ( var i = 0; i < setSpan; i++ ) {
2375      this.colYs[ shortColIndex + i ] = setHeight;
2376    }
2377
2378    return position;
2379  };
2380
2381  /**
2382   * @param {Number} colSpan - number of columns the element spans
2383   * @returns {Array} colGroup
2384   */
2385  Masonry.prototype._getColGroup = function( colSpan ) {
2386    if ( colSpan < 2 ) {
2387      // if brick spans only one column, use all the column Ys
2388      return this.colYs;
2389    }
2390
2391    var colGroup = [];
2392    // how many different places could this brick fit horizontally
2393    var groupCount = this.cols + 1 - colSpan;
2394    // for each group potential horizontal position
2395    for ( var i = 0; i < groupCount; i++ ) {
2396      // make an array of colY values for that one group
2397      var groupColYs = this.colYs.slice( i, i + colSpan );
2398      // and get the max value of the array
2399      colGroup[i] = Math.max.apply( Math, groupColYs );
2400    }
2401    return colGroup;
2402  };
2403
2404  Masonry.prototype._manageStamp = function( stamp ) {
2405    var stampSize = getSize( stamp );
2406    var offset = this._getElementOffset( stamp );
2407    // get the columns that this stamp affects
2408    var isOriginLeft = this._getOption('originLeft');
2409    var firstX = isOriginLeft ? offset.left : offset.right;
2410    var lastX = firstX + stampSize.outerWidth;
2411    var firstCol = Math.floor( firstX / this.columnWidth );
2412    firstCol = Math.max( 0, firstCol );
2413    var lastCol = Math.floor( lastX / this.columnWidth );
2414    // lastCol should not go over if multiple of columnWidth #425
2415    lastCol -= lastX % this.columnWidth ? 0 : 1;
2416    lastCol = Math.min( this.cols - 1, lastCol );
2417    // set colYs to bottom of the stamp
2418
2419    var isOriginTop = this._getOption('originTop');
2420    var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) +
2421      stampSize.outerHeight;
2422    for ( var i = firstCol; i <= lastCol; i++ ) {
2423      this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
2424    }
2425  };
2426
2427  Masonry.prototype._getContainerSize = function() {
2428    this.maxY = Math.max.apply( Math, this.colYs );
2429    var size = {
2430      height: this.maxY
2431    };
2432
2433    if ( this._getOption('fitWidth') ) {
2434      size.width = this._getContainerFitWidth();
2435    }
2436
2437    return size;
2438  };
2439
2440  Masonry.prototype._getContainerFitWidth = function() {
2441    var unusedCols = 0;
2442    // count unused columns
2443    var i = this.cols;
2444    while ( --i ) {
2445      if ( this.colYs[i] !== 0 ) {
2446        break;
2447      }
2448      unusedCols++;
2449    }
2450    // fit container to columns that have been used
2451    return ( this.cols - unusedCols ) * this.columnWidth - this.gutter;
2452  };
2453
2454  Masonry.prototype.needsResizeLayout = function() {
2455    var previousWidth = this.containerWidth;
2456    this.getContainerWidth();
2457    return previousWidth != this.containerWidth;
2458  };
2459
2460  return Masonry;
2461
2462}));
2463