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g.reset();g.play()};g.finished=m;g.reset();g.autoplay&&g.play();return g}var ga={update:void 0,begin:void 0,run:void 0,complete:void 0,loop:1,direction:"normal",autoplay:!0,offset:0},S={duration:1E3,delay:0,easing:"easeOutElastic",elasticity:500,round:0},W="translateX translateY translateZ rotate rotateX rotateY rotateZ scale scaleX scaleY scaleZ skewX skewY perspective".split(" "),H,h={arr:function(a){return Array.isArray(a)},obj:function(a){return-1<Object.prototype.toString.call(a).indexOf("Object")},
pth:function(a){return h.obj(a)&&a.hasOwnProperty("totalLength")},svg:function(a){return a instanceof SVGElement},dom:function(a){return a.nodeType||h.svg(a)},str:function(a){return"string"===typeof a},fnc:function(a){return"function"===typeof a},und:function(a){return"undefined"===typeof a},hex:function(a){return/(^#[0-9A-F]{6}$)|(^#[0-9A-F]{3}$)/i.test(a)},rgb:function(a){return/^rgb/.test(a)},hsl:function(a){return/^hsl/.test(a)},col:function(a){return h.hex(a)||h.rgb(a)||h.hsl(a)}},A=function(){function a(a,
d,b){return(((1-3*b+3*d)*a+(3*b-6*d))*a+3*d)*a}return function(c,d,b,f){if(0<=c&&1>=c&&0<=b&&1>=b){var e=new Float32Array(11);if(c!==d||b!==f)for(var k=0;11>k;++k)e[k]=a(.1*k,c,b);return function(k){if(c===d&&b===f)return k;if(0===k)return 0;if(1===k)return 1;for(var h=0,l=1;10!==l&&e[l]<=k;++l)h+=.1;--l;var l=h+(k-e[l])/(e[l+1]-e[l])*.1,n=3*(1-3*b+3*c)*l*l+2*(3*b-6*c)*l+3*c;if(.001<=n){for(h=0;4>h;++h){n=3*(1-3*b+3*c)*l*l+2*(3*b-6*c)*l+3*c;if(0===n)break;var m=a(l,c,b)-k,l=l-m/n}k=l}else if(0===
n)k=l;else{var l=h,h=h+.1,g=0;do m=l+(h-l)/2,n=a(m,c,b)-k,0<n?h=m:l=m;while(1e-7<Math.abs(n)&&10>++g);k=m}return a(k,d,f)}}}}(),Q=function(){function a(a,b){return 0===a||1===a?a:-Math.pow(2,10*(a-1))*Math.sin(2*(a-1-b/(2*Math.PI)*Math.asin(1))*Math.PI/b)}var c="Quad Cubic Quart Quint Sine Expo Circ Back Elastic".split(" "),d={In:[[.55,.085,.68,.53],[.55,.055,.675,.19],[.895,.03,.685,.22],[.755,.05,.855,.06],[.47,0,.745,.715],[.95,.05,.795,.035],[.6,.04,.98,.335],[.6,-.28,.735,.045],a],Out:[[.25,
.46,.45,.94],[.215,.61,.355,1],[.165,.84,.44,1],[.23,1,.32,1],[.39,.575,.565,1],[.19,1,.22,1],[.075,.82,.165,1],[.175,.885,.32,1.275],function(b,c){return 1-a(1-b,c)}],InOut:[[.455,.03,.515,.955],[.645,.045,.355,1],[.77,0,.175,1],[.86,0,.07,1],[.445,.05,.55,.95],[1,0,0,1],[.785,.135,.15,.86],[.68,-.55,.265,1.55],function(b,c){return.5>b?a(2*b,c)/2:1-a(-2*b+2,c)/2}]},b={linear:A(.25,.25,.75,.75)},f={},e;for(e in d)f.type=e,d[f.type].forEach(function(a){return function(d,f){b["ease"+a.type+c[f]]=h.fnc(d)?
d:A.apply($jscomp$this,d)}}(f)),f={type:f.type};return b}(),ha={css:function(a,c,d){return a.style[c]=d},attribute:function(a,c,d){return a.setAttribute(c,d)},object:function(a,c,d){return a[c]=d},transform:function(a,c,d,b,f){b[f]||(b[f]=[]);b[f].push(c+"("+d+")")}},v=[],B=0,ia=function(){function a(){B=requestAnimationFrame(c)}function c(c){var b=v.length;if(b){for(var d=0;d<b;)v[d]&&v[d].tick(c),d++;a()}else cancelAnimationFrame(B),B=0}return a}();q.version="2.2.0";q.speed=1;q.running=v;q.remove=
function(a){a=P(a);for(var c=v.length;c--;)for(var d=v[c],b=d.animations,f=b.length;f--;)u(a,b[f].animatable.target)&&(b.splice(f,1),b.length||d.pause())};q.getValue=K;q.path=function(a,c){var d=h.str(a)?e(a)[0]:a,b=c||100;return function(a){return{el:d,property:a,totalLength:N(d)*(b/100)}}};q.setDashoffset=function(a){var c=N(a);a.setAttribute("stroke-dasharray",c);return c};q.bezier=A;q.easings=Q;q.timeline=function(a){var c=q(a);c.pause();c.duration=0;c.add=function(d){c.children.forEach(function(a){a.began=
!0;a.completed=!0});m(d).forEach(function(b){var d=z(b,D(S,a||{}));d.targets=d.targets||a.targets;b=c.duration;var e=d.offset;d.autoplay=!1;d.direction=c.direction;d.offset=h.und(e)?b:L(e,b);c.began=!0;c.completed=!0;c.seek(d.offset);d=q(d);d.began=!0;d.completed=!0;d.duration>b&&(c.duration=d.duration);c.children.push(d)});c.seek(0);c.reset();c.autoplay&&c.restart();return c};return c};q.random=function(a,c){return Math.floor(Math.random()*(c-a+1))+a};return q});
// source --> https://deandrandmiketravel.com/wp-content/plugins/photoblocks-grid-gallery/public/js/packery.pkgd.js 
/*!
 * Packery PACKAGED v2.1.1
 * Gapless, draggable grid layouts
 *
 * Licensed GPLv3 for open source use
 * or Packery Commercial License for commercial use
 *
 * http://packery.metafizzy.co
 * Copyright 2016 Metafizzy
 */

/**
 * Bridget makes jQuery widgets
 * v2.0.0
 * MIT license
 */

/* jshint browser: true, strict: true, undef: true, unused: true */

( function( window, factory ) {
  'use strict';
  /* globals define: false, module: false, require: false */

  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
      factory( window, jQuery );
    });
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      window,
      require('jquery')
    );
  } else {
    // browser global
    window.jQueryBridget = factory(
      window,
      window.jQuery
    );
  }

}( window, function factory( window, jQuery ) {
'use strict';

// ----- utils ----- //

var arraySlice = Array.prototype.slice;

// helper function for logging errors
// $.error breaks jQuery chaining
var console = window.console;
var logError = typeof console == 'undefined' ? function() {} :
  function( message ) {
    console.error( message );
  };

// ----- jQueryBridget ----- //

function jQueryBridget( namespace, PluginClass, $ ) {
  $ = $ || jQuery || window.jQuery;
  if ( !$ ) {
    return;
  }

  // add option method -> $().plugin('option', {...})
  if ( !PluginClass.prototype.option ) {
    // option setter
    PluginClass.prototype.option = function( opts ) {
      // bail out if not an object
      if ( !$.isPlainObject( opts ) ){
        return;
      }
      this.options = $.extend( true, this.options, opts );
    };
  }

  // make jQuery plugin
  $.fn[ namespace ] = function( arg0 /*, arg1 */ ) {
    if ( typeof arg0 == 'string' ) {
      // method call $().plugin( 'methodName', { options } )
      // shift arguments by 1
      var args = arraySlice.call( arguments, 1 );
      return methodCall( this, arg0, args );
    }
    // just $().plugin({ options })
    plainCall( this, arg0 );
    return this;
  };

  // $().plugin('methodName')
  function methodCall( $elems, methodName, args ) {
    var returnValue;
    var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';

    $elems.each( function( i, elem ) {
      // get instance
      var instance = $.data( elem, namespace );
      if ( !instance ) {
        logError( namespace + ' not initialized. Cannot call methods, i.e. ' +
          pluginMethodStr );
        return;
      }

      var method = instance[ methodName ];
      if ( !method || methodName.charAt(0) == '_' ) {
        logError( pluginMethodStr + ' is not a valid method' );
        return;
      }

      // apply method, get return value
      var value = method.apply( instance, args );
      // set return value if value is returned, use only first value
      returnValue = returnValue === undefined ? value : returnValue;
    });

    return returnValue !== undefined ? returnValue : $elems;
  }

  function plainCall( $elems, options ) {
    $elems.each( function( i, elem ) {
      var instance = $.data( elem, namespace );
      if ( instance ) {
        // set options & init
        instance.option( options );
        instance._init();
      } else {
        // initialize new instance
        instance = new PluginClass( elem, options );
        $.data( elem, namespace, instance );
      }
    });
  }

  updateJQuery( $ );

}

// ----- updateJQuery ----- //

// set $.bridget for v1 backwards compatibility
function updateJQuery( $ ) {
  if ( !$ || ( $ && $.bridget ) ) {
    return;
  }
  $.bridget = jQueryBridget;
}

updateJQuery( jQuery || window.jQuery );

// -----  ----- //

return jQueryBridget;

}));

/*!
 * getSize v2.0.2
 * measure size of elements
 * MIT license
 */

/*jshint browser: true, strict: true, undef: true, unused: true */
/*global define: false, module: false, console: false */

( function( window, factory ) {
  'use strict';

  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'get-size/get-size',[],function() {
      return factory();
    });
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory();
  } else {
    // browser global
    window.getSize = factory();
  }

})( window, function factory() {
'use strict';

// -------------------------- helpers -------------------------- //

// get a number from a string, not a percentage
function getStyleSize( value ) {
  var num = parseFloat( value );
  // not a percent like '100%', and a number
  var isValid = value.indexOf('%') == -1 && !isNaN( num );
  return isValid && num;
}

function noop() {}

var logError = typeof console == 'undefined' ? noop :
  function( message ) {
    console.error( message );
  };

// -------------------------- measurements -------------------------- //

var measurements = [
  'paddingLeft',
  'paddingRight',
  'paddingTop',
  'paddingBottom',
  'marginLeft',
  'marginRight',
  'marginTop',
  'marginBottom',
  'borderLeftWidth',
  'borderRightWidth',
  'borderTopWidth',
  'borderBottomWidth'
];

var measurementsLength = measurements.length;

function getZeroSize() {
  var size = {
    width: 0,
    height: 0,
    innerWidth: 0,
    innerHeight: 0,
    outerWidth: 0,
    outerHeight: 0
  };
  for ( var i=0; i < measurementsLength; i++ ) {
    var measurement = measurements[i];
    size[ measurement ] = 0;
  }
  return size;
}

// -------------------------- getStyle -------------------------- //

/**
 * getStyle, get style of element, check for Firefox bug
 * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
 */
function getStyle( elem ) {
  var style = getComputedStyle( elem );
  if ( !style ) {
    logError( 'Style returned ' + style +
      '. Are you running this code in a hidden iframe on Firefox? ' +
      'See http://bit.ly/getsizebug1' );
  }
  return style;
}

// -------------------------- setup -------------------------- //

var isSetup = false;

var isBoxSizeOuter;

/**
 * setup
 * check isBoxSizerOuter
 * do on first getSize() rather than on page load for Firefox bug
 */
function setup() {
  // setup once
  if ( isSetup ) {
    return;
  }
  isSetup = true;

  // -------------------------- box sizing -------------------------- //

  /**
   * WebKit measures the outer-width on style.width on border-box elems
   * IE & Firefox<29 measures the inner-width
   */
  var div = document.createElement('div');
  div.style.width = '200px';
  div.style.padding = '1px 2px 3px 4px';
  div.style.borderStyle = 'solid';
  div.style.borderWidth = '1px 2px 3px 4px';
  div.style.boxSizing = 'border-box';

  var body = document.body || document.documentElement;
  body.appendChild( div );
  var style = getStyle( div );

  getSize.isBoxSizeOuter = isBoxSizeOuter = getStyleSize( style.width ) == 200;
  body.removeChild( div );

}

// -------------------------- getSize -------------------------- //

function getSize( elem ) {
  setup();

  // use querySeletor if elem is string
  if ( typeof elem == 'string' ) {
    elem = document.querySelector( elem );
  }

  // do not proceed on non-objects
  if ( !elem || typeof elem != 'object' || !elem.nodeType ) {
    return;
  }

  var style = getStyle( elem );

  // if hidden, everything is 0
  if ( style.display == 'none' ) {
    return getZeroSize();
  }

  var size = {};
  size.width = elem.offsetWidth;
  size.height = elem.offsetHeight;

  var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';

  // get all measurements
  for ( var i=0; i < measurementsLength; i++ ) {
    var measurement = measurements[i];
    var value = style[ measurement ];
    var num = parseFloat( value );
    // any 'auto', 'medium' value will be 0
    size[ measurement ] = !isNaN( num ) ? num : 0;
  }

  var paddingWidth = size.paddingLeft + size.paddingRight;
  var paddingHeight = size.paddingTop + size.paddingBottom;
  var marginWidth = size.marginLeft + size.marginRight;
  var marginHeight = size.marginTop + size.marginBottom;
  var borderWidth = size.borderLeftWidth + size.borderRightWidth;
  var borderHeight = size.borderTopWidth + size.borderBottomWidth;

  var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;

  // overwrite width and height if we can get it from style
  var styleWidth = getStyleSize( style.width );
  if ( styleWidth !== false ) {
    size.width = styleWidth +
      // add padding and border unless it's already including it
      ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
  }

  var styleHeight = getStyleSize( style.height );
  if ( styleHeight !== false ) {
    size.height = styleHeight +
      // add padding and border unless it's already including it
      ( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight );
  }

  size.innerWidth = size.width - ( paddingWidth + borderWidth );
  size.innerHeight = size.height - ( paddingHeight + borderHeight );

  size.outerWidth = size.width + marginWidth;
  size.outerHeight = size.height + marginHeight;

  return size;
}

return getSize;

});

/**
 * EvEmitter v1.0.2
 * Lil' event emitter
 * MIT License
 */

/* jshint unused: true, undef: true, strict: true */

( function( global, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module */
  if ( typeof define == 'function' && define.amd ) {
    // AMD - RequireJS
    define( 'ev-emitter/ev-emitter',factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS - Browserify, Webpack
    module.exports = factory();
  } else {
    // Browser globals
    global.EvEmitter = factory();
  }

}( this, function() {



function EvEmitter() {}

var proto = EvEmitter.prototype;

proto.on = function( eventName, listener ) {
  if ( !eventName || !listener ) {
    return;
  }
  // set events hash
  var events = this._events = this._events || {};
  // set listeners array
  var listeners = events[ eventName ] = events[ eventName ] || [];
  // only add once
  if ( listeners.indexOf( listener ) == -1 ) {
    listeners.push( listener );
  }

  return this;
};

proto.once = function( eventName, listener ) {
  if ( !eventName || !listener ) {
    return;
  }
  // add event
  this.on( eventName, listener );
  // set once flag
  // set onceEvents hash
  var onceEvents = this._onceEvents = this._onceEvents || {};
  // set onceListeners object
  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
  // set flag
  onceListeners[ listener ] = true;

  return this;
};

proto.off = function( eventName, listener ) {
  var listeners = this._events && this._events[ eventName ];
  if ( !listeners || !listeners.length ) {
    return;
  }
  var index = listeners.indexOf( listener );
  if ( index != -1 ) {
    listeners.splice( index, 1 );
  }

  return this;
};

proto.emitEvent = function( eventName, args ) {
  var listeners = this._events && this._events[ eventName ];
  if ( !listeners || !listeners.length ) {
    return;
  }
  var i = 0;
  var listener = listeners[i];
  args = args || [];
  // once stuff
  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];

  while ( listener ) {
    var isOnce = onceListeners && onceListeners[ listener ];
    if ( isOnce ) {
      // remove listener
      // remove before trigger to prevent recursion
      this.off( eventName, listener );
      // unset once flag
      delete onceListeners[ listener ];
    }
    // trigger listener
    listener.apply( this, args );
    // get next listener
    i += isOnce ? 0 : 1;
    listener = listeners[i];
  }

  return this;
};

return EvEmitter;

}));

/**
 * matchesSelector v2.0.1
 * matchesSelector( element, '.selector' )
 * MIT license
 */

/*jshint browser: true, strict: true, undef: true, unused: true */

( function( window, factory ) {
  /*global define: false, module: false */
  'use strict';
  // universal module definition
  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'desandro-matches-selector/matches-selector',factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory();
  } else {
    // browser global
    window.matchesSelector = factory();
  }

}( window, function factory() {
  'use strict';

  var matchesMethod = ( function() {
    var ElemProto = Element.prototype;
    // check for the standard method name first
    if ( ElemProto.matches ) {
      return 'matches';
    }
    // check un-prefixed
    if ( ElemProto.matchesSelector ) {
      return 'matchesSelector';
    }
    // check vendor prefixes
    var prefixes = [ 'webkit', 'moz', 'ms', 'o' ];

    for ( var i=0; i < prefixes.length; i++ ) {
      var prefix = prefixes[i];
      var method = prefix + 'MatchesSelector';
      if ( ElemProto[ method ] ) {
        return method;
      }
    }
  })();

  return function matchesSelector( elem, selector ) {
    return elem[ matchesMethod ]( selector );
  };

}));

/**
 * Fizzy UI utils v2.0.1
 * MIT license
 */

/*jshint browser: true, undef: true, unused: true, strict: true */

( function( window, factory ) {
  // universal module definition
  /*jshint strict: false */ /*globals define, module, require */

  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'fizzy-ui-utils/utils',[
      'desandro-matches-selector/matches-selector'
    ], function( matchesSelector ) {
      return factory( window, matchesSelector );
    });
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      window,
      require('desandro-matches-selector')
    );
  } else {
    // browser global
    window.fizzyUIUtils = factory(
      window,
      window.matchesSelector
    );
  }

}( window, function factory( window, matchesSelector ) {



var utils = {};

// ----- extend ----- //

// extends objects
utils.extend = function( a, b ) {
  for ( var prop in b ) {
    a[ prop ] = b[ prop ];
  }
  return a;
};

// ----- modulo ----- //

utils.modulo = function( num, div ) {
  return ( ( num % div ) + div ) % div;
};

// ----- makeArray ----- //

// turn element or nodeList into an array
utils.makeArray = function( obj ) {
  var ary = [];
  if ( Array.isArray( obj ) ) {
    // use object if already an array
    ary = obj;
  } else if ( obj && typeof obj.length == 'number' ) {
    // convert nodeList to array
    for ( var i=0; i < obj.length; i++ ) {
      ary.push( obj[i] );
    }
  } else {
    // array of single index
    ary.push( obj );
  }
  return ary;
};

// ----- removeFrom ----- //

utils.removeFrom = function( ary, obj ) {
  var index = ary.indexOf( obj );
  if ( index != -1 ) {
    ary.splice( index, 1 );
  }
};

// ----- getParent ----- //

utils.getParent = function( elem, selector ) {
  while ( elem != document.body ) {
    elem = elem.parentNode;
    if ( matchesSelector( elem, selector ) ) {
      return elem;
    }
  }
};

// ----- getQueryElement ----- //

// use element as selector string
utils.getQueryElement = function( elem ) {
  if ( typeof elem == 'string' ) {
    return document.querySelector( elem );
  }
  return elem;
};

// ----- handleEvent ----- //

// enable .ontype to trigger from .addEventListener( elem, 'type' )
utils.handleEvent = function( event ) {
  var method = 'on' + event.type;
  if ( this[ method ] ) {
    this[ method ]( event );
  }
};

// ----- filterFindElements ----- //

utils.filterFindElements = function( elems, selector ) {
  // make array of elems
  elems = utils.makeArray( elems );
  var ffElems = [];

  elems.forEach( function( elem ) {
    // check that elem is an actual element
    if ( !( elem instanceof HTMLElement ) ) {
      return;
    }
    // add elem if no selector
    if ( !selector ) {
      ffElems.push( elem );
      return;
    }
    // filter & find items if we have a selector
    // filter
    if ( matchesSelector( elem, selector ) ) {
      ffElems.push( elem );
    }
    // find children
    var childElems = elem.querySelectorAll( selector );
    // concat childElems to filterFound array
    for ( var i=0; i < childElems.length; i++ ) {
      ffElems.push( childElems[i] );
    }
  });

  return ffElems;
};

// ----- debounceMethod ----- //

utils.debounceMethod = function( _class, methodName, threshold ) {
  // original method
  var method = _class.prototype[ methodName ];
  var timeoutName = methodName + 'Timeout';

  _class.prototype[ methodName ] = function() {
    var timeout = this[ timeoutName ];
    if ( timeout ) {
      clearTimeout( timeout );
    }
    var args = arguments;

    var _this = this;
    this[ timeoutName ] = setTimeout( function() {
      method.apply( _this, args );
      delete _this[ timeoutName ];
    }, threshold || 100 );
  };
};

// ----- docReady ----- //

utils.docReady = function( callback ) {
  if ( document.readyState == 'complete' ) {
    callback();
  } else {
    document.addEventListener( 'DOMContentLoaded', callback );
  }
};

// ----- htmlInit ----- //

// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
utils.toDashed = function( str ) {
  return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
    return $1 + '-' + $2;
  }).toLowerCase();
};

var console = window.console;
/**
 * allow user to initialize classes via [data-namespace] or .js-namespace class
 * htmlInit( Widget, 'widgetName' )
 * options are parsed from data-namespace-options
 */
utils.htmlInit = function( WidgetClass, namespace ) {
  utils.docReady( function() {
    var dashedNamespace = utils.toDashed( namespace );
    var dataAttr = 'data-' + dashedNamespace;
    var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' );
    var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace );
    var elems = utils.makeArray( dataAttrElems )
      .concat( utils.makeArray( jsDashElems ) );
    var dataOptionsAttr = dataAttr + '-options';
    var jQuery = window.jQuery;

    elems.forEach( function( elem ) {
      var attr = elem.getAttribute( dataAttr ) ||
        elem.getAttribute( dataOptionsAttr );
      var options;
      try {
        options = attr && JSON.parse( attr );
      } catch ( error ) {
        // log error, do not initialize
        if ( console ) {
          console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className +
          ': ' + error );
        }
        return;
      }
      // initialize
      var instance = new WidgetClass( elem, options );
      // make available via $().data('layoutname')
      if ( jQuery ) {
        jQuery.data( elem, namespace, instance );
      }
    });

  });
};

// -----  ----- //

return utils;

}));

/**
 * Outlayer Item
 */

( function( window, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module, require */
  if ( typeof define == 'function' && define.amd ) {
    // AMD - RequireJS
    define( 'outlayer/item',[
        'ev-emitter/ev-emitter',
        'get-size/get-size'
      ],
      factory
    );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS - Browserify, Webpack
    module.exports = factory(
      require('ev-emitter'),
      require('get-size')
    );
  } else {
    // browser global
    window.Outlayer = {};
    window.Outlayer.Item = factory(
      window.EvEmitter,
      window.getSize
    );
  }

}( window, function factory( EvEmitter, getSize ) {
'use strict';

// ----- helpers ----- //

function isEmptyObj( obj ) {
  for ( var prop in obj ) {
    return false;
  }
  prop = null;
  return true;
}

// -------------------------- CSS3 support -------------------------- //


var docElemStyle = document.documentElement.style;

var transitionProperty = typeof docElemStyle.transition == 'string' ?
  'transition' : 'WebkitTransition';
var transformProperty = typeof docElemStyle.transform == 'string' ?
  'transform' : 'WebkitTransform';

var transitionEndEvent = {
  WebkitTransition: 'webkitTransitionEnd',
  transition: 'transitionend'
}[ transitionProperty ];

// cache all vendor properties that could have vendor prefix
var vendorProperties = {
  transform: transformProperty,
  transition: transitionProperty,
  transitionDuration: transitionProperty + 'Duration',
  transitionProperty: transitionProperty + 'Property',
  transitionDelay: transitionProperty + 'Delay'
};

// -------------------------- Item -------------------------- //

function Item( element, layout ) {
  if ( !element ) {
    return;
  }

  this.element = element;
  // parent layout class, i.e. Masonry, Isotope, or Packery
  this.layout = layout;
  this.position = {
    x: 0,
    y: 0
  };

  this._create();
}

// inherit EvEmitter
var proto = Item.prototype = Object.create( EvEmitter.prototype );
proto.constructor = Item;

proto._create = function() {
  // transition objects
  this._transn = {
    ingProperties: {},
    clean: {},
    onEnd: {}
  };

  this.css({
    position: 'absolute'
  });
};

// trigger specified handler for event type
proto.handleEvent = function( event ) {
  var method = 'on' + event.type;
  if ( this[ method ] ) {
    this[ method ]( event );
  }
};

proto.getSize = function() {
  this.size = getSize( this.element );
};

/**
 * apply CSS styles to element
 * @param {Object} style
 */
proto.css = function( style ) {
  var elemStyle = this.element.style;

  for ( var prop in style ) {
    // use vendor property if available
    var supportedProp = vendorProperties[ prop ] || prop;
    elemStyle[ supportedProp ] = style[ prop ];
  }
};

 // measure position, and sets it
proto.getPosition = function() {
  var style = getComputedStyle( this.element );
  var isOriginLeft = this.layout._getOption('originLeft');
  var isOriginTop = this.layout._getOption('originTop');
  var xValue = style[ isOriginLeft ? 'left' : 'right' ];
  var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
  // convert percent to pixels
  var layoutSize = this.layout.size;
  var x = xValue.indexOf('%') != -1 ?
    ( parseFloat( xValue ) / 100 ) * layoutSize.width : parseInt( xValue, 10 );
  var y = yValue.indexOf('%') != -1 ?
    ( parseFloat( yValue ) / 100 ) * layoutSize.height : parseInt( yValue, 10 );

  // clean up 'auto' or other non-integer values
  x = isNaN( x ) ? 0 : x;
  y = isNaN( y ) ? 0 : y;
  // remove padding from measurement
  x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
  y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;

  this.position.x = x;
  this.position.y = y;
};

// set settled position, apply padding
proto.layoutPosition = function() {
  var layoutSize = this.layout.size;
  var style = {};
  var isOriginLeft = this.layout._getOption('originLeft');
  var isOriginTop = this.layout._getOption('originTop');

  // x
  var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
  var xProperty = isOriginLeft ? 'left' : 'right';
  var xResetProperty = isOriginLeft ? 'right' : 'left';

  var x = this.position.x + layoutSize[ xPadding ];
  // set in percentage or pixels
  style[ xProperty ] = this.getXValue( x );
  // reset other property
  style[ xResetProperty ] = '';

  // y
  var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
  var yProperty = isOriginTop ? 'top' : 'bottom';
  var yResetProperty = isOriginTop ? 'bottom' : 'top';

  var y = this.position.y + layoutSize[ yPadding ];
  // set in percentage or pixels
  style[ yProperty ] = this.getYValue( y );
  // reset other property
  style[ yResetProperty ] = '';

  this.css( style );
  this.emitEvent( 'layout', [ this ] );
};

proto.getXValue = function( x ) {
  var isHorizontal = this.layout._getOption('horizontal');
  return this.layout.options.percentPosition && !isHorizontal ?
    ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
};

proto.getYValue = function( y ) {
  var isHorizontal = this.layout._getOption('horizontal');
  return this.layout.options.percentPosition && isHorizontal ?
    ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
};

proto._transitionTo = function( x, y ) {
  this.getPosition();
  // get current x & y from top/left
  var curX = this.position.x;
  var curY = this.position.y;

  var compareX = parseInt( x, 10 );
  var compareY = parseInt( y, 10 );
  var didNotMove = compareX === this.position.x && compareY === this.position.y;

  // save end position
  this.setPosition( x, y );

  // if did not move and not transitioning, just go to layout
  if ( didNotMove && !this.isTransitioning ) {
    this.layoutPosition();
    return;
  }

  var transX = x - curX;
  var transY = y - curY;
  var transitionStyle = {};
  transitionStyle.transform = this.getTranslate( transX, transY );

  this.transition({
    to: transitionStyle,
    onTransitionEnd: {
      transform: this.layoutPosition
    },
    isCleaning: true
  });
};

proto.getTranslate = function( x, y ) {
  // flip cooridinates if origin on right or bottom
  var isOriginLeft = this.layout._getOption('originLeft');
  var isOriginTop = this.layout._getOption('originTop');
  x = isOriginLeft ? x : -x;
  y = isOriginTop ? y : -y;
  return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
};

// non transition + transform support
proto.goTo = function( x, y ) {
  this.setPosition( x, y );
  this.layoutPosition();
};

proto.moveTo = proto._transitionTo;

proto.setPosition = function( x, y ) {
  this.position.x = parseInt( x, 10 );
  this.position.y = parseInt( y, 10 );
};

// ----- transition ----- //

/**
 * @param {Object} style - CSS
 * @param {Function} onTransitionEnd
 */

// non transition, just trigger callback
proto._nonTransition = function( args ) {
  this.css( args.to );
  if ( args.isCleaning ) {
    this._removeStyles( args.to );
  }
  for ( var prop in args.onTransitionEnd ) {
    args.onTransitionEnd[ prop ].call( this );
  }
};

/**
 * proper transition
 * @param {Object} args - arguments
 *   @param {Object} to - style to transition to
 *   @param {Object} from - style to start transition from
 *   @param {Boolean} isCleaning - removes transition styles after transition
 *   @param {Function} onTransitionEnd - callback
 */
proto.transition = function( args ) {
  // redirect to nonTransition if no transition duration
  if ( !parseFloat( this.layout.options.transitionDuration ) ) {
    this._nonTransition( args );
    return;
  }

  var _transition = this._transn;
  // keep track of onTransitionEnd callback by css property
  for ( var prop in args.onTransitionEnd ) {
    _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ];
  }
  // keep track of properties that are transitioning
  for ( prop in args.to ) {
    _transition.ingProperties[ prop ] = true;
    // keep track of properties to clean up when transition is done
    if ( args.isCleaning ) {
      _transition.clean[ prop ] = true;
    }
  }

  // set from styles
  if ( args.from ) {
    this.css( args.from );
    // force redraw. http://blog.alexmaccaw.com/css-transitions
    var h = this.element.offsetHeight;
    // hack for JSHint to hush about unused var
    h = null;
  }
  // enable transition
  this.enableTransition( args.to );
  // set styles that are transitioning
  this.css( args.to );

  this.isTransitioning = true;

};

// dash before all cap letters, including first for
// WebkitTransform => -webkit-transform
function toDashedAll( str ) {
  return str.replace( /([A-Z])/g, function( $1 ) {
    return '-' + $1.toLowerCase();
  });
}

var transitionProps = 'opacity,' + toDashedAll( transformProperty );

proto.enableTransition = function(/* style */) {
  // HACK changing transitionProperty during a transition
  // will cause transition to jump
  if ( this.isTransitioning ) {
    return;
  }

  // make `transition: foo, bar, baz` from style object
  // HACK un-comment this when enableTransition can work
  // while a transition is happening
  // var transitionValues = [];
  // for ( var prop in style ) {
  //   // dash-ify camelCased properties like WebkitTransition
  //   prop = vendorProperties[ prop ] || prop;
  //   transitionValues.push( toDashedAll( prop ) );
  // }
  // munge number to millisecond, to match stagger
  var duration = this.layout.options.transitionDuration;
  duration = typeof duration == 'number' ? duration + 'ms' : duration;
  // enable transition styles
  this.css({
    transitionProperty: transitionProps,
    transitionDuration: duration,
    transitionDelay: this.staggerDelay || 0
  });
  // listen for transition end event
  this.element.addEventListener( transitionEndEvent, this, false );
};

// ----- events ----- //

proto.onwebkitTransitionEnd = function( event ) {
  this.ontransitionend( event );
};

proto.onotransitionend = function( event ) {
  this.ontransitionend( event );
};

// properties that I munge to make my life easier
var dashedVendorProperties = {
  '-webkit-transform': 'transform'
};

proto.ontransitionend = function( event ) {
  // disregard bubbled events from children
  if ( event.target !== this.element ) {
    return;
  }
  var _transition = this._transn;
  // get property name of transitioned property, convert to prefix-free
  var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName;

  // remove property that has completed transitioning
  delete _transition.ingProperties[ propertyName ];
  // check if any properties are still transitioning
  if ( isEmptyObj( _transition.ingProperties ) ) {
    // all properties have completed transitioning
    this.disableTransition();
  }
  // clean style
  if ( propertyName in _transition.clean ) {
    // clean up style
    this.element.style[ event.propertyName ] = '';
    delete _transition.clean[ propertyName ];
  }
  // trigger onTransitionEnd callback
  if ( propertyName in _transition.onEnd ) {
    var onTransitionEnd = _transition.onEnd[ propertyName ];
    onTransitionEnd.call( this );
    delete _transition.onEnd[ propertyName ];
  }

  this.emitEvent( 'transitionEnd', [ this ] );
};

proto.disableTransition = function() {
  this.removeTransitionStyles();
  this.element.removeEventListener( transitionEndEvent, this, false );
  this.isTransitioning = false;
};

/**
 * removes style property from element
 * @param {Object} style
**/
proto._removeStyles = function( style ) {
  // clean up transition styles
  var cleanStyle = {};
  for ( var prop in style ) {
    cleanStyle[ prop ] = '';
  }
  this.css( cleanStyle );
};

var cleanTransitionStyle = {
  transitionProperty: '',
  transitionDuration: '',
  transitionDelay: ''
};

proto.removeTransitionStyles = function() {
  // remove transition
  this.css( cleanTransitionStyle );
};

// ----- stagger ----- //

proto.stagger = function( delay ) {
  delay = isNaN( delay ) ? 0 : delay;
  this.staggerDelay = delay + 'ms';
};

// ----- show/hide/remove ----- //

// remove element from DOM
proto.removeElem = function() {
  this.element.parentNode.removeChild( this.element );
  // remove display: none
  this.css({ display: '' });
  this.emitEvent( 'remove', [ this ] );
};

proto.remove = function() {
  // just remove element if no transition support or no transition
  if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
    this.removeElem();
    return;
  }

  // start transition
  this.once( 'transitionEnd', function() {
    this.removeElem();
  });
  this.hide();
};

proto.reveal = function() {
  delete this.isHidden;
  // remove display: none
  this.css({ display: '' });

  var options = this.layout.options;

  var onTransitionEnd = {};
  var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
  onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd;

  this.transition({
    from: options.hiddenStyle,
    to: options.visibleStyle,
    isCleaning: true,
    onTransitionEnd: onTransitionEnd
  });
};

proto.onRevealTransitionEnd = function() {
  // check if still visible
  // during transition, item may have been hidden
  if ( !this.isHidden ) {
    this.emitEvent('reveal');
  }
};

/**
 * get style property use for hide/reveal transition end
 * @param {String} styleProperty - hiddenStyle/visibleStyle
 * @returns {String}
 */
proto.getHideRevealTransitionEndProperty = function( styleProperty ) {
  var optionStyle = this.layout.options[ styleProperty ];
  // use opacity
  if ( optionStyle.opacity ) {
    return 'opacity';
  }
  // get first property
  for ( var prop in optionStyle ) {
    return prop;
  }
};

proto.hide = function() {
  // set flag
  this.isHidden = true;
  // remove display: none
  this.css({ display: '' });

  var options = this.layout.options;

  var onTransitionEnd = {};
  var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
  onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd;

  this.transition({
    from: options.visibleStyle,
    to: options.hiddenStyle,
    // keep hidden stuff hidden
    isCleaning: true,
    onTransitionEnd: onTransitionEnd
  });
};

proto.onHideTransitionEnd = function() {
  // check if still hidden
  // during transition, item may have been un-hidden
  if ( this.isHidden ) {
    this.css({ display: 'none' });
    this.emitEvent('hide');
  }
};

proto.destroy = function() {
  this.css({
    position: '',
    left: '',
    right: '',
    top: '',
    bottom: '',
    transition: '',
    transform: ''
  });
};

return Item;

}));

/*!
 * Outlayer v2.1.0
 * the brains and guts of a layout library
 * MIT license
 */

( function( window, factory ) {
  'use strict';
  // universal module definition
  /* jshint strict: false */ /* globals define, module, require */
  if ( typeof define == 'function' && define.amd ) {
    // AMD - RequireJS
    define( 'outlayer/outlayer',[
        'ev-emitter/ev-emitter',
        'get-size/get-size',
        'fizzy-ui-utils/utils',
        './item'
      ],
      function( EvEmitter, getSize, utils, Item ) {
        return factory( window, EvEmitter, getSize, utils, Item);
      }
    );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS - Browserify, Webpack
    module.exports = factory(
      window,
      require('ev-emitter'),
      require('get-size'),
      require('fizzy-ui-utils'),
      require('./item')
    );
  } else {
    // browser global
    window.Outlayer = factory(
      window,
      window.EvEmitter,
      window.getSize,
      window.fizzyUIUtils,
      window.Outlayer.Item
    );
  }

}( window, function factory( window, EvEmitter, getSize, utils, Item ) {
'use strict';

// ----- vars ----- //

var console = window.console;
var jQuery = window.jQuery;
var noop = function() {};

// -------------------------- Outlayer -------------------------- //

// globally unique identifiers
var GUID = 0;
// internal store of all Outlayer intances
var instances = {};


/**
 * @param {Element, String} element
 * @param {Object} options
 * @constructor
 */
function Outlayer( element, options ) {
  var queryElement = utils.getQueryElement( element );
  if ( !queryElement ) {
    if ( console ) {
      console.error( 'Bad element for ' + this.constructor.namespace +
        ': ' + ( queryElement || element ) );
    }
    return;
  }
  this.element = queryElement;
  // add jQuery
  if ( jQuery ) {
    this.$element = jQuery( this.element );
  }

  // options
  this.options = utils.extend( {}, this.constructor.defaults );
  this.option( options );

  // add id for Outlayer.getFromElement
  var id = ++GUID;
  this.element.outlayerGUID = id; // expando
  instances[ id ] = this; // associate via id

  // kick it off
  this._create();

  var isInitLayout = this._getOption('initLayout');
  if ( isInitLayout ) {
    this.layout();
  }
}

// settings are for internal use only
Outlayer.namespace = 'outlayer';
Outlayer.Item = Item;

// default options
Outlayer.defaults = {
  containerStyle: {
    position: 'relative'
  },
  initLayout: true,
  originLeft: true,
  originTop: true,
  resize: true,
  resizeContainer: true,
  // item options
  transitionDuration: '0.4s',
  hiddenStyle: {
    opacity: 0,
    transform: 'scale(0.001)'
  },
  visibleStyle: {
    opacity: 1,
    transform: 'scale(1)'
  }
};

var proto = Outlayer.prototype;
// inherit EvEmitter
utils.extend( proto, EvEmitter.prototype );

/**
 * set options
 * @param {Object} opts
 */
proto.option = function( opts ) {
  utils.extend( this.options, opts );
};

/**
 * get backwards compatible option value, check old name
 */
proto._getOption = function( option ) {
  var oldOption = this.constructor.compatOptions[ option ];
  return oldOption && this.options[ oldOption ] !== undefined ?
    this.options[ oldOption ] : this.options[ option ];
};

Outlayer.compatOptions = {
  // currentName: oldName
  initLayout: 'isInitLayout',
  horizontal: 'isHorizontal',
  layoutInstant: 'isLayoutInstant',
  originLeft: 'isOriginLeft',
  originTop: 'isOriginTop',
  resize: 'isResizeBound',
  resizeContainer: 'isResizingContainer'
};

proto._create = function() {
  // get items from children
  this.reloadItems();
  // elements that affect layout, but are not laid out
  this.stamps = [];
  this.stamp( this.options.stamp );
  // set container style
  utils.extend( this.element.style, this.options.containerStyle );

  // bind resize method
  var canBindResize = this._getOption('resize');
  if ( canBindResize ) {
    this.bindResize();
  }
};

// goes through all children again and gets bricks in proper order
proto.reloadItems = function() {
  // collection of item elements
  this.items = this._itemize( this.element.children );
};


/**
 * turn elements into Outlayer.Items to be used in layout
 * @param {Array or NodeList or HTMLElement} elems
 * @returns {Array} items - collection of new Outlayer Items
 */
proto._itemize = function( elems ) {

  var itemElems = this._filterFindItemElements( elems );
  var Item = this.constructor.Item;

  // create new Outlayer Items for collection
  var items = [];
  for ( var i=0; i < itemElems.length; i++ ) {
    var elem = itemElems[i];
    var item = new Item( elem, this );
    items.push( item );
  }

  return items;
};

/**
 * get item elements to be used in layout
 * @param {Array or NodeList or HTMLElement} elems
 * @returns {Array} items - item elements
 */
proto._filterFindItemElements = function( elems ) {
  return utils.filterFindElements( elems, this.options.itemSelector );
};

/**
 * getter method for getting item elements
 * @returns {Array} elems - collection of item elements
 */
proto.getItemElements = function() {
  return this.items.map( function( item ) {
    return item.element;
  });
};

// ----- init & layout ----- //

/**
 * lays out all items
 */
proto.layout = function() {
  this._resetLayout();
  this._manageStamps();

  // don't animate first layout
  var layoutInstant = this._getOption('layoutInstant');
  var isInstant = layoutInstant !== undefined ?
    layoutInstant : !this._isLayoutInited;
  this.layoutItems( this.items, isInstant );

  // flag for initalized
  this._isLayoutInited = true;
};

// _init is alias for layout
proto._init = proto.layout;

/**
 * logic before any new layout
 */
proto._resetLayout = function() {
  this.getSize();
};


proto.getSize = function() {
  this.size = getSize( this.element );
};

/**
 * get measurement from option, for columnWidth, rowHeight, gutter
 * if option is String -> get element from selector string, & get size of element
 * if option is Element -> get size of element
 * else use option as a number
 *
 * @param {String} measurement
 * @param {String} size - width or height
 * @private
 */
proto._getMeasurement = function( measurement, size ) {
  var option = this.options[ measurement ];
  var elem;
  if ( !option ) {
    // default to 0
    this[ measurement ] = 0;
  } else {
    // use option as an element
    if ( typeof option == 'string' ) {
      elem = this.element.querySelector( option );
    } else if ( option instanceof HTMLElement ) {
      elem = option;
    }
    // use size of element, if element
    this[ measurement ] = elem ? getSize( elem )[ size ] : option;
  }
};

/**
 * layout a collection of item elements
 * @api public
 */
proto.layoutItems = function( items, isInstant ) {
  items = this._getItemsForLayout( items );

  this._layoutItems( items, isInstant );

  this._postLayout();
};

/**
 * get the items to be laid out
 * you may want to skip over some items
 * @param {Array} items
 * @returns {Array} items
 */
proto._getItemsForLayout = function( items ) {
  return items.filter( function( item ) {
    return !item.isIgnored;
  });
};

/**
 * layout items
 * @param {Array} items
 * @param {Boolean} isInstant
 */
proto._layoutItems = function( items, isInstant ) {
  this._emitCompleteOnItems( 'layout', items );

  if ( !items || !items.length ) {
    // no items, emit event with empty array
    return;
  }

  var queue = [];

  items.forEach( function( item ) {
    // get x/y object from method
    var position = this._getItemLayoutPosition( item );
    // enqueue
    position.item = item;
    position.isInstant = isInstant || item.isLayoutInstant;
    queue.push( position );
  }, this );

  this._processLayoutQueue( queue );
};

/**
 * get item layout position
 * @param {Outlayer.Item} item
 * @returns {Object} x and y position
 */
proto._getItemLayoutPosition = function( /* item */ ) {
  return {
    x: 0,
    y: 0
  };
};

/**
 * iterate over array and position each item
 * Reason being - separating this logic prevents 'layout invalidation'
 * thx @paul_irish
 * @param {Array} queue
 */
proto._processLayoutQueue = function( queue ) {
  this.updateStagger();
  queue.forEach( function( obj, i ) {
    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i );
  }, this );
};

// set stagger from option in milliseconds number
proto.updateStagger = function() {
  var stagger = this.options.stagger;
  if ( stagger === null || stagger === undefined ) {
    this.stagger = 0;
    return;
  }
  this.stagger = getMilliseconds( stagger );
  return this.stagger;
};

/**
 * Sets position of item in DOM
 * @param {Outlayer.Item} item
 * @param {Number} x - horizontal position
 * @param {Number} y - vertical position
 * @param {Boolean} isInstant - disables transitions
 */
proto._positionItem = function( item, x, y, isInstant, i ) {
  if ( isInstant ) {
    // if not transition, just set CSS
    item.goTo( x, y );
  } else {
    item.stagger( i * this.stagger );
    item.moveTo( x, y );
  }
};

/**
 * Any logic you want to do after each layout,
 * i.e. size the container
 */
proto._postLayout = function() {
  this.resizeContainer();
};

proto.resizeContainer = function() {
  var isResizingContainer = this._getOption('resizeContainer');
  if ( !isResizingContainer ) {
    return;
  }
  var size = this._getContainerSize();
  if ( size ) {
    this._setContainerMeasure( size.width, true );
    this._setContainerMeasure( size.height, false );
  }
};

/**
 * Sets width or height of container if returned
 * @returns {Object} size
 *   @param {Number} width
 *   @param {Number} height
 */
proto._getContainerSize = noop;

/**
 * @param {Number} measure - size of width or height
 * @param {Boolean} isWidth
 */
proto._setContainerMeasure = function( measure, isWidth ) {
  if ( measure === undefined ) {
    return;
  }

  var elemSize = this.size;
  // add padding and border width if border box
  if ( elemSize.isBorderBox ) {
    measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
      elemSize.borderLeftWidth + elemSize.borderRightWidth :
      elemSize.paddingBottom + elemSize.paddingTop +
      elemSize.borderTopWidth + elemSize.borderBottomWidth;
  }

  measure = Math.max( measure, 0 );
  this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px';
};

/**
 * emit eventComplete on a collection of items events
 * @param {String} eventName
 * @param {Array} items - Outlayer.Items
 */
proto._emitCompleteOnItems = function( eventName, items ) {
  var _this = this;
  function onComplete() {
    _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
  }

  var count = items.length;
  if ( !items || !count ) {
    onComplete();
    return;
  }

  var doneCount = 0;
  function tick() {
    doneCount++;
    if ( doneCount == count ) {
      onComplete();
    }
  }

  // bind callback
  items.forEach( function( item ) {
    item.once( eventName, tick );
  });
};

/**
 * emits events via EvEmitter and jQuery events
 * @param {String} type - name of event
 * @param {Event} event - original event
 * @param {Array} args - extra arguments
 */
proto.dispatchEvent = function( type, event, args ) {
  // add original event to arguments
  var emitArgs = event ? [ event ].concat( args ) : args;
  this.emitEvent( type, emitArgs );

  if ( jQuery ) {
    // set this.$element
    this.$element = this.$element || jQuery( this.element );
    if ( event ) {
      // create jQuery event
      var $event = jQuery.Event( event );
      $event.type = type;
      this.$element.trigger( $event, args );
    } else {
      // just trigger with type if no event available
      this.$element.trigger( type, args );
    }
  }
};

// -------------------------- ignore & stamps -------------------------- //


/**
 * keep item in collection, but do not lay it out
 * ignored items do not get skipped in layout
 * @param {Element} elem
 */
proto.ignore = function( elem ) {
  var item = this.getItem( elem );
  if ( item ) {
    item.isIgnored = true;
  }
};

/**
 * return item to layout collection
 * @param {Element} elem
 */
proto.unignore = function( elem ) {
  var item = this.getItem( elem );
  if ( item ) {
    delete item.isIgnored;
  }
};

/**
 * adds elements to stamps
 * @param {NodeList, Array, Element, or String} elems
 */
proto.stamp = function( elems ) {
  elems = this._find( elems );
  if ( !elems ) {
    return;
  }

  this.stamps = this.stamps.concat( elems );
  // ignore
  elems.forEach( this.ignore, this );
};

/**
 * removes elements to stamps
 * @param {NodeList, Array, or Element} elems
 */
proto.unstamp = function( elems ) {
  elems = this._find( elems );
  if ( !elems ){
    return;
  }

  elems.forEach( function( elem ) {
    // filter out removed stamp elements
    utils.removeFrom( this.stamps, elem );
    this.unignore( elem );
  }, this );
};

/**
 * finds child elements
 * @param {NodeList, Array, Element, or String} elems
 * @returns {Array} elems
 */
proto._find = function( elems ) {
  if ( !elems ) {
    return;
  }
  // if string, use argument as selector string
  if ( typeof elems == 'string' ) {
    elems = this.element.querySelectorAll( elems );
  }
  elems = utils.makeArray( elems );
  return elems;
};

proto._manageStamps = function() {
  if ( !this.stamps || !this.stamps.length ) {
    return;
  }

  this._getBoundingRect();

  this.stamps.forEach( this._manageStamp, this );
};

// update boundingLeft / Top
proto._getBoundingRect = function() {
  // get bounding rect for container element
  var boundingRect = this.element.getBoundingClientRect();
  var size = this.size;
  this._boundingRect = {
    left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
    top: boundingRect.top + size.paddingTop + size.borderTopWidth,
    right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
    bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
  };
};

/**
 * @param {Element} stamp
**/
proto._manageStamp = noop;

/**
 * get x/y position of element relative to container element
 * @param {Element} elem
 * @returns {Object} offset - has left, top, right, bottom
 */
proto._getElementOffset = function( elem ) {
  var boundingRect = elem.getBoundingClientRect();
  var thisRect = this._boundingRect;
  var size = getSize( elem );
  var offset = {
    left: boundingRect.left - thisRect.left - size.marginLeft,
    top: boundingRect.top - thisRect.top - size.marginTop,
    right: thisRect.right - boundingRect.right - size.marginRight,
    bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
  };
  return offset;
};

// -------------------------- resize -------------------------- //

// enable event handlers for listeners
// i.e. resize -> onresize
proto.handleEvent = utils.handleEvent;

/**
 * Bind layout to window resizing
 */
proto.bindResize = function() {
  window.addEventListener( 'resize', this );
  this.isResizeBound = true;
};

/**
 * Unbind layout to window resizing
 */
proto.unbindResize = function() {
  window.removeEventListener( 'resize', this );
  this.isResizeBound = false;
};

proto.onresize = function() {
  this.resize();
};

utils.debounceMethod( Outlayer, 'onresize', 100 );

proto.resize = function() {
  // don't trigger if size did not change
  // or if resize was unbound. See #9
  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
    return;
  }

  this.layout();
};

/**
 * check if layout is needed post layout
 * @returns Boolean
 */
proto.needsResizeLayout = function() {
  var size = getSize( this.element );
  // check that this.size and size are there
  // IE8 triggers resize on body size change, so they might not be
  var hasSizes = this.size && size;
  return hasSizes && size.innerWidth !== this.size.innerWidth;
};

// -------------------------- methods -------------------------- //

/**
 * add items to Outlayer instance
 * @param {Array or NodeList or Element} elems
 * @returns {Array} items - Outlayer.Items
**/
proto.addItems = function( elems ) {
  var items = this._itemize( elems );
  // add items to collection
  if ( items.length ) {
    this.items = this.items.concat( items );
  }
  return items;
};

/**
 * Layout newly-appended item elements
 * @param {Array or NodeList or Element} elems
 */
proto.appended = function( elems ) {
  var items = this.addItems( elems );
  if ( !items.length ) {
    return;
  }
  // layout and reveal just the new items
  this.layoutItems( items, true );
  this.reveal( items );
};

/**
 * Layout prepended elements
 * @param {Array or NodeList or Element} elems
 */
proto.prepended = function( elems ) {
  var items = this._itemize( elems );
  if ( !items.length ) {
    return;
  }
  // add items to beginning of collection
  var previousItems = this.items.slice(0);
  this.items = items.concat( previousItems );
  // start new layout
  this._resetLayout();
  this._manageStamps();
  // layout new stuff without transition
  this.layoutItems( items, true );
  this.reveal( items );
  // layout previous items
  this.layoutItems( previousItems );
};

/**
 * reveal a collection of items
 * @param {Array of Outlayer.Items} items
 */
proto.reveal = function( items ) {
  this._emitCompleteOnItems( 'reveal', items );
  if ( !items || !items.length ) {
    return;
  }
  var stagger = this.updateStagger();
  items.forEach( function( item, i ) {
    item.stagger( i * stagger );
    item.reveal();
  });
};

/**
 * hide a collection of items
 * @param {Array of Outlayer.Items} items
 */
proto.hide = function( items ) {
  this._emitCompleteOnItems( 'hide', items );
  if ( !items || !items.length ) {
    return;
  }
  var stagger = this.updateStagger();
  items.forEach( function( item, i ) {
    item.stagger( i * stagger );
    item.hide();
  });
};

/**
 * reveal item elements
 * @param {Array}, {Element}, {NodeList} items
 */
proto.revealItemElements = function( elems ) {
  var items = this.getItems( elems );
  this.reveal( items );
};

/**
 * hide item elements
 * @param {Array}, {Element}, {NodeList} items
 */
proto.hideItemElements = function( elems ) {
  var items = this.getItems( elems );
  this.hide( items );
};

/**
 * get Outlayer.Item, given an Element
 * @param {Element} elem
 * @param {Function} callback
 * @returns {Outlayer.Item} item
 */
proto.getItem = function( elem ) {
  // loop through items to get the one that matches
  for ( var i=0; i < this.items.length; i++ ) {
    var item = this.items[i];
    if ( item.element == elem ) {
      // return item
      return item;
    }
  }
};

/**
 * get collection of Outlayer.Items, given Elements
 * @param {Array} elems
 * @returns {Array} items - Outlayer.Items
 */
proto.getItems = function( elems ) {
  elems = utils.makeArray( elems );
  var items = [];
  elems.forEach( function( elem ) {
    var item = this.getItem( elem );
    if ( item ) {
      items.push( item );
    }
  }, this );

  return items;
};

/**
 * remove element(s) from instance and DOM
 * @param {Array or NodeList or Element} elems
 */
proto.remove = function( elems ) {
  var removeItems = this.getItems( elems );

  this._emitCompleteOnItems( 'remove', removeItems );

  // bail if no items to remove
  if ( !removeItems || !removeItems.length ) {
    return;
  }

  removeItems.forEach( function( item ) {
    item.remove();
    // remove item from collection
    utils.removeFrom( this.items, item );
  }, this );
};

// ----- destroy ----- //

// remove and disable Outlayer instance
proto.destroy = function() {
  // clean up dynamic styles
  var style = this.element.style;
  style.height = '';
  style.position = '';
  style.width = '';
  // destroy items
  this.items.forEach( function( item ) {
    item.destroy();
  });

  this.unbindResize();

  var id = this.element.outlayerGUID;
  delete instances[ id ]; // remove reference to instance by id
  delete this.element.outlayerGUID;
  // remove data for jQuery
  if ( jQuery ) {
    jQuery.removeData( this.element, this.constructor.namespace );
  }

};

// -------------------------- data -------------------------- //

/**
 * get Outlayer instance from element
 * @param {Element} elem
 * @returns {Outlayer}
 */
Outlayer.data = function( elem ) {
  elem = utils.getQueryElement( elem );
  var id = elem && elem.outlayerGUID;
  return id && instances[ id ];
};


// -------------------------- create Outlayer class -------------------------- //

/**
 * create a layout class
 * @param {String} namespace
 */
Outlayer.create = function( namespace, options ) {
  // sub-class Outlayer
  var Layout = subclass( Outlayer );
  // apply new options and compatOptions
  Layout.defaults = utils.extend( {}, Outlayer.defaults );
  utils.extend( Layout.defaults, options );
  Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions  );

  Layout.namespace = namespace;

  Layout.data = Outlayer.data;

  // sub-class Item
  Layout.Item = subclass( Item );

  // -------------------------- declarative -------------------------- //

  utils.htmlInit( Layout, namespace );

  // -------------------------- jQuery bridge -------------------------- //

  // make into jQuery plugin
  if ( jQuery && jQuery.bridget ) {
    jQuery.bridget( namespace, Layout );
  }

  return Layout;
};

function subclass( Parent ) {
  function SubClass() {
    Parent.apply( this, arguments );
  }

  SubClass.prototype = Object.create( Parent.prototype );
  SubClass.prototype.constructor = SubClass;

  return SubClass;
}

// ----- helpers ----- //

// how many milliseconds are in each unit
var msUnits = {
  ms: 1,
  s: 1000
};

// munge time-like parameter into millisecond number
// '0.4s' -> 40
function getMilliseconds( time ) {
  if ( typeof time == 'number' ) {
    return time;
  }
  var matches = time.match( /(^\d*\.?\d*)(\w*)/ );
  var num = matches && matches[1];
  var unit = matches && matches[2];
  if ( !num.length ) {
    return 0;
  }
  num = parseFloat( num );
  var mult = msUnits[ unit ] || 1;
  return num * mult;
}

// ----- fin ----- //

// back in global
Outlayer.Item = Item;

return Outlayer;

}));

/**
 * Rect
 * low-level utility class for basic geometry
 */

( function( window, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module */
  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'packery/js/rect',factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory();
  } else {
    // browser global
    window.Packery = window.Packery || {};
    window.Packery.Rect = factory();
  }

}( window, function factory() {
'use strict';

// -------------------------- Rect -------------------------- //

function Rect( props ) {
  // extend properties from defaults
  for ( var prop in Rect.defaults ) {
    this[ prop ] = Rect.defaults[ prop ];
  }

  for ( prop in props ) {
    this[ prop ] = props[ prop ];
  }

}

Rect.defaults = {
  x: 0,
  y: 0,
  width: 0,
  height: 0
};

var proto = Rect.prototype;

/**
 * Determines whether or not this rectangle wholly encloses another rectangle or point.
 * @param {Rect} rect
 * @returns {Boolean}
**/
proto.contains = function( rect ) {
  // points don't have width or height
  var otherWidth = rect.width || 0;
  var otherHeight = rect.height || 0;
  return this.x <= rect.x &&
    this.y <= rect.y &&
    this.x + this.width >= rect.x + otherWidth &&
    this.y + this.height >= rect.y + otherHeight;
};

/**
 * Determines whether or not the rectangle intersects with another.
 * @param {Rect} rect
 * @returns {Boolean}
**/
proto.overlaps = function( rect ) {
  var thisRight = this.x + this.width;
  var thisBottom = this.y + this.height;
  var rectRight = rect.x + rect.width;
  var rectBottom = rect.y + rect.height;

  // http://stackoverflow.com/a/306332
  return this.x < rectRight &&
    thisRight > rect.x &&
    this.y < rectBottom &&
    thisBottom > rect.y;
};

/**
 * @param {Rect} rect - the overlapping rect
 * @returns {Array} freeRects - rects representing the area around the rect
**/
proto.getMaximalFreeRects = function( rect ) {

  // if no intersection, return false
  if ( !this.overlaps( rect ) ) {
    return false;
  }

  var freeRects = [];
  var freeRect;

  var thisRight = this.x + this.width;
  var thisBottom = this.y + this.height;
  var rectRight = rect.x + rect.width;
  var rectBottom = rect.y + rect.height;

  // top
  if ( this.y < rect.y ) {
    freeRect = new Rect({
      x: this.x,
      y: this.y,
      width: this.width,
      height: rect.y - this.y
    });
    freeRects.push( freeRect );
  }

  // right
  if ( thisRight > rectRight ) {
    freeRect = new Rect({
      x: rectRight,
      y: this.y,
      width: thisRight - rectRight,
      height: this.height
    });
    freeRects.push( freeRect );
  }

  // bottom
  if ( thisBottom > rectBottom ) {
    freeRect = new Rect({
      x: this.x,
      y: rectBottom,
      width: this.width,
      height: thisBottom - rectBottom
    });
    freeRects.push( freeRect );
  }

  // left
  if ( this.x < rect.x ) {
    freeRect = new Rect({
      x: this.x,
      y: this.y,
      width: rect.x - this.x,
      height: this.height
    });
    freeRects.push( freeRect );
  }

  return freeRects;
};

proto.canFit = function( rect ) {
  return this.width >= rect.width && this.height >= rect.height;
};

return Rect;

}));

/**
 * Packer
 * bin-packing algorithm
 */

( function( window, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module, require */
  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'packery/js/packer',[ './rect' ], factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      require('./rect')
    );
  } else {
    // browser global
    var Packery = window.Packery = window.Packery || {};
    Packery.Packer = factory( Packery.Rect );
  }

}( window, function factory( Rect ) {
'use strict';

// -------------------------- Packer -------------------------- //

/**
 * @param {Number} width
 * @param {Number} height
 * @param {String} sortDirection
 *   topLeft for vertical, leftTop for horizontal
 */
function Packer( width, height, sortDirection ) {
  this.width = width || 0;
  this.height = height || 0;
  this.sortDirection = sortDirection || 'downwardLeftToRight';

  this.reset();
}

var proto = Packer.prototype;

proto.reset = function() {
  this.spaces = [];

  var initialSpace = new Rect({
    x: 0,
    y: 0,
    width: this.width,
    height: this.height
  });

  this.spaces.push( initialSpace );
  // set sorter
  this.sorter = sorters[ this.sortDirection ] || sorters.downwardLeftToRight;
};

// change x and y of rect to fit with in Packer's available spaces
proto.pack = function( rect ) {
  for ( var i=0; i < this.spaces.length; i++ ) {
    var space = this.spaces[i];
    if ( space.canFit( rect ) ) {
      this.placeInSpace( rect, space );
      break;
    }
  }
};

proto.columnPack = function( rect ) {
  for ( var i=0; i < this.spaces.length; i++ ) {
    var space = this.spaces[i];
    var canFitInSpaceColumn = space.x <= rect.x &&
      space.x + space.width >= rect.x + rect.width &&
      space.height >= rect.height - 0.01; // fudge number for rounding error
    if ( canFitInSpaceColumn ) {
      rect.y = space.y;
      this.placed( rect );
      break;
    }
  }
};

proto.rowPack = function( rect ) {
  for ( var i=0; i < this.spaces.length; i++ ) {
    var space = this.spaces[i];
    var canFitInSpaceRow = space.y <= rect.y &&
      space.y + space.height >= rect.y + rect.height &&
      space.width >= rect.width - 0.01; // fudge number for rounding error
    if ( canFitInSpaceRow ) {
      rect.x = space.x;
      this.placed( rect );
      break;
    }
  }
};

proto.placeInSpace = function( rect, space ) {
  // place rect in space
  rect.x = space.x;
  rect.y = space.y;

  this.placed( rect );
};

// update spaces with placed rect
proto.placed = function( rect ) {
  // update spaces
  var revisedSpaces = [];
  for ( var i=0; i < this.spaces.length; i++ ) {
    var space = this.spaces[i];
    var newSpaces = space.getMaximalFreeRects( rect );
    // add either the original space or the new spaces to the revised spaces
    if ( newSpaces ) {
      revisedSpaces.push.apply( revisedSpaces, newSpaces );
    } else {
      revisedSpaces.push( space );
    }
  }

  this.spaces = revisedSpaces;

  this.mergeSortSpaces();
};

proto.mergeSortSpaces = function() {
  // remove redundant spaces
  Packer.mergeRects( this.spaces );
  this.spaces.sort( this.sorter );
};

// add a space back
proto.addSpace = function( rect ) {
  this.spaces.push( rect );
  this.mergeSortSpaces();
};

// -------------------------- utility functions -------------------------- //

/**
 * Remove redundant rectangle from array of rectangles
 * @param {Array} rects: an array of Rects
 * @returns {Array} rects: an array of Rects
**/
Packer.mergeRects = function( rects ) {
  var i = 0;
  var rect = rects[i];

  rectLoop:
  while ( rect ) {
    var j = 0;
    var compareRect = rects[ i + j ];

    while ( compareRect ) {
      if  ( compareRect == rect ) {
        j++; // next
      } else if ( compareRect.contains( rect ) ) {
        // remove rect
        rects.splice( i, 1 );
        rect = rects[i]; // set next rect
        continue rectLoop; // bail on compareLoop
      } else if ( rect.contains( compareRect ) ) {
        // remove compareRect
        rects.splice( i + j, 1 );
      } else {
        j++;
      }
      compareRect = rects[ i + j ]; // set next compareRect
    }
    i++;
    rect = rects[i];
  }

  return rects;
};


// -------------------------- sorters -------------------------- //

// functions for sorting rects in order
var sorters = {
  // top down, then left to right
  downwardLeftToRight: function( a, b ) {
    return a.y - b.y || a.x - b.x;
  },
  // left to right, then top down
  rightwardTopToBottom: function( a, b ) {
    return a.x - b.x || a.y - b.y;
  }
};


// --------------------------  -------------------------- //

return Packer;

}));

/**
 * Packery Item Element
**/

( function( window, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module, require */
  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'packery/js/item',[
        'outlayer/outlayer',
        './rect'
      ],
      factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      require('outlayer'),
      require('./rect')
    );
  } else {
    // browser global
    window.Packery.Item = factory(
      window.Outlayer,
      window.Packery.Rect
    );
  }

}( window, function factory( Outlayer, Rect ) {
'use strict';

// -------------------------- Item -------------------------- //

var docElemStyle = document.documentElement.style;

var transformProperty = typeof docElemStyle.transform == 'string' ?
  'transform' : 'WebkitTransform';

// sub-class Item
var Item = function PackeryItem() {
  Outlayer.Item.apply( this, arguments );
};

var proto = Item.prototype = Object.create( Outlayer.Item.prototype );

var __create = proto._create;
proto._create = function() {
  // call default _create logic
  __create.call( this );
  this.rect = new Rect();
};

var _moveTo = proto.moveTo;
proto.moveTo = function( x, y ) {
  // don't shift 1px while dragging
  var dx = Math.abs( this.position.x - x );
  var dy = Math.abs( this.position.y - y );

  var canHackGoTo = this.layout.dragItemCount && !this.isPlacing &&
    !this.isTransitioning && dx < 1 && dy < 1;
  if ( canHackGoTo ) {
    this.goTo( x, y );
    return;
  }
  _moveTo.apply( this, arguments );
};

// -------------------------- placing -------------------------- //

proto.enablePlacing = function() {
  this.removeTransitionStyles();
  // remove transform property from transition
  if ( this.isTransitioning && transformProperty ) {
    this.element.style[ transformProperty ] = 'none';
  }
  this.isTransitioning = false;
  this.getSize();
  this.layout._setRectSize( this.element, this.rect );
  this.isPlacing = true;
};

proto.disablePlacing = function() {
  this.isPlacing = false;
};

// -----  ----- //

// remove element from DOM
proto.removeElem = function() {
  this.element.parentNode.removeChild( this.element );
  // add space back to packer
  this.layout.packer.addSpace( this.rect );
  this.emitEvent( 'remove', [ this ] );
};

// ----- dropPlaceholder ----- //

proto.showDropPlaceholder = function() {
  var dropPlaceholder = this.dropPlaceholder;
  if ( !dropPlaceholder ) {
    // create dropPlaceholder
    dropPlaceholder = this.dropPlaceholder = document.createElement('div');
    dropPlaceholder.className = 'packery-drop-placeholder';
    dropPlaceholder.style.position = 'absolute';
  }

  dropPlaceholder.style.width = this.size.width + 'px';
  dropPlaceholder.style.height = this.size.height + 'px';
  this.positionDropPlaceholder();
  this.layout.element.appendChild( dropPlaceholder );
};

proto.positionDropPlaceholder = function() {
  this.dropPlaceholder.style[ transformProperty ] = 'translate(' +
    this.rect.x + 'px, ' + this.rect.y + 'px)';
};

proto.hideDropPlaceholder = function() {
  // only remove once, #333
  var parent = this.dropPlaceholder.parentNode;
  if ( parent ) {
    parent.removeChild( this.dropPlaceholder );
  }
};

// -----  ----- //

return Item;

}));

/*!
 * Packery v2.1.1
 * Gapless, draggable grid layouts
 *
 * Licensed GPLv3 for open source use
 * or Packery Commercial License for commercial use
 *
 * http://packery.metafizzy.co
 * Copyright 2016 Metafizzy
 */

( function( window, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module, require */
  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( [
        'get-size/get-size',
        'outlayer/outlayer',
        'packery/js/rect',
        'packery/js/packer',
        'packery/js/item'
      ],
      factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      require('get-size'),
      require('outlayer'),
      require('./rect'),
      require('./packer'),
      require('./item')
    );
  } else {
    // browser global
    window.Packery = factory(
      window.getSize,
      window.Outlayer,
      window.Packery.Rect,
      window.Packery.Packer,
      window.Packery.Item
    );
  }

}( window, function factory( getSize, Outlayer, Rect, Packer, Item ) {
'use strict';

// ----- Rect ----- //

// allow for pixel rounding errors IE8-IE11 & Firefox; #227
Rect.prototype.canFit = function( rect ) {
  return this.width >= rect.width - 1 && this.height >= rect.height - 1;
};

// -------------------------- Packery -------------------------- //

// create an Outlayer layout class
var Packery = Outlayer.create('packery');
Packery.Item = Item;

var proto = Packery.prototype;

proto._create = function() {
  // call super
  Outlayer.prototype._create.call( this );

  // initial properties
  this.packer = new Packer();
  // packer for drop targets
  this.shiftPacker = new Packer();
  this.isEnabled = true;

  this.dragItemCount = 0;

  // create drag handlers
  var _this = this;
  this.handleDraggabilly = {
    dragStart: function() {
      _this.itemDragStart( this.element );
    },
    dragMove: function() {
      _this.itemDragMove( this.element, this.position.x, this.position.y );
    },
    dragEnd: function() {
      _this.itemDragEnd( this.element );
    }
  };

  this.handleUIDraggable = {
    start: function handleUIDraggableStart( event, ui ) {
      // HTML5 may trigger dragstart, dismiss HTML5 dragging
      if ( !ui ) {
        return;
      }
      _this.itemDragStart( event.currentTarget );
    },
    drag: function handleUIDraggableDrag( event, ui ) {
      if ( !ui ) {
        return;
      }
      _this.itemDragMove( event.currentTarget, ui.position.left, ui.position.top );
    },
    stop: function handleUIDraggableStop( event, ui ) {
      if ( !ui ) {
        return;
      }
      _this.itemDragEnd( event.currentTarget );
    }
  };

};


// ----- init & layout ----- //

/**
 * logic before any new layout
 */
proto._resetLayout = function() {
  this.getSize();

  this._getMeasurements();

  // reset packer
  var width, height, sortDirection;
  // packer settings, if horizontal or vertical
  if ( this._getOption('horizontal') ) {
    width = Infinity;
    height = this.size.innerHeight + this.gutter;
    sortDirection = 'rightwardTopToBottom';
  } else {
    width = this.size.innerWidth + this.gutter;
    height = Infinity;
    sortDirection = 'downwardLeftToRight';
  }

  this.packer.width = this.shiftPacker.width = width;
  this.packer.height = this.shiftPacker.height = height;
  this.packer.sortDirection = this.shiftPacker.sortDirection = sortDirection;

  this.packer.reset();

  // layout
  this.maxY = 0;
  this.maxX = 0;
};

/**
 * update columnWidth, rowHeight, & gutter
 * @private
 */
proto._getMeasurements = function() {
  this._getMeasurement( 'columnWidth', 'width' );
  this._getMeasurement( 'rowHeight', 'height' );
  this._getMeasurement( 'gutter', 'width' );
};

proto._getItemLayoutPosition = function( item ) {
  this._setRectSize( item.element, item.rect );
  if ( this.isShifting || this.dragItemCount > 0 ) {
    var packMethod = this._getPackMethod();
    this.packer[ packMethod ]( item.rect );
  } else {
    this.packer.pack( item.rect );
  }

  this._setMaxXY( item.rect );
  return item.rect;
};

proto.shiftLayout = function() {
  this.isShifting = true;
  this.layout();
  delete this.isShifting;
};

proto._getPackMethod = function() {
  return this._getOption('horizontal') ? 'rowPack' : 'columnPack';
};


/**
 * set max X and Y value, for size of container
 * @param {Packery.Rect} rect
 * @private
 */
proto._setMaxXY = function( rect ) {
  this.maxX = Math.max( rect.x + rect.width, this.maxX );
  this.maxY = Math.max( rect.y + rect.height, this.maxY );
};

/**
 * set the width and height of a rect, applying columnWidth and rowHeight
 * @param {Element} elem
 * @param {Packery.Rect} rect
 */
proto._setRectSize = function( elem, rect ) {
  var size = getSize( elem );
  var w = size.outerWidth;
  var h = size.outerHeight;
  // size for columnWidth and rowHeight, if available
  // only check if size is non-zero, #177
  if ( w || h ) {
    w = this._applyGridGutter( w, this.columnWidth );
    h = this._applyGridGutter( h, this.rowHeight );
  }
  // rect must fit in packer
  rect.width = Math.min( w, this.packer.width );
  rect.height = Math.min( h, this.packer.height );
};

/**
 * fits item to columnWidth/rowHeight and adds gutter
 * @param {Number} measurement - item width or height
 * @param {Number} gridSize - columnWidth or rowHeight
 * @returns measurement
 */
proto._applyGridGutter = function( measurement, gridSize ) {
  // just add gutter if no gridSize
  if ( !gridSize ) {
    return measurement + this.gutter;
  }
  gridSize += this.gutter;
  // fit item to columnWidth/rowHeight
  var remainder = measurement % gridSize;
  var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
  measurement = Math[ mathMethod ]( measurement / gridSize ) * gridSize;
  return measurement;
};

proto._getContainerSize = function() {
  if ( this._getOption('horizontal') ) {
    return {
      width: this.maxX - this.gutter
    };
  } else {
    return {
      height: this.maxY - this.gutter
    };
  }
};


// -------------------------- stamp -------------------------- //

/**
 * makes space for element
 * @param {Element} elem
 */
proto._manageStamp = function( elem ) {

  var item = this.getItem( elem );
  var rect;
  if ( item && item.isPlacing ) {
    rect = item.rect;
  } else {
    var offset = this._getElementOffset( elem );
    rect = new Rect({
      x: this._getOption('originLeft') ? offset.left : offset.right,
      y: this._getOption('originTop') ? offset.top : offset.bottom
    });
  }

  this._setRectSize( elem, rect );
  // save its space in the packer
  this.packer.placed( rect );
  this._setMaxXY( rect );
};

// -------------------------- methods -------------------------- //

function verticalSorter( a, b ) {
  return a.position.y - b.position.y || a.position.x - b.position.x;
}

function horizontalSorter( a, b ) {
  return a.position.x - b.position.x || a.position.y - b.position.y;
}

proto.sortItemsByPosition = function() {
  var sorter = this._getOption('horizontal') ? horizontalSorter : verticalSorter;
  this.items.sort( sorter );
};

/**
 * Fit item element in its current position
 * Packery will position elements around it
 * useful for expanding elements
 *
 * @param {Element} elem
 * @param {Number} x - horizontal destination position, optional
 * @param {Number} y - vertical destination position, optional
 */
proto.fit = function( elem, x, y ) {
  var item = this.getItem( elem );
  if ( !item ) {
    return;
  }

  // stamp item to get it out of layout
  this.stamp( item.element );
  // set placing flag
  item.enablePlacing();
  this.updateShiftTargets( item );
  // fall back to current position for fitting
  x = x === undefined ? item.rect.x: x;
  y = y === undefined ? item.rect.y: y;
  // position it best at its destination
  this.shift( item, x, y );
  this._bindFitEvents( item );
  item.moveTo( item.rect.x, item.rect.y );
  // layout everything else
  this.shiftLayout();
  // return back to regularly scheduled programming
  this.unstamp( item.element );
  this.sortItemsByPosition();
  item.disablePlacing();
};

/**
 * emit event when item is fit and other items are laid out
 * @param {Packery.Item} item
 * @private
 */
proto._bindFitEvents = function( item ) {
  var _this = this;
  var ticks = 0;
  function onLayout() {
    ticks++;
    if ( ticks != 2 ) {
      return;
    }
    _this.dispatchEvent( 'fitComplete', null, [ item ] );
  }
  // when item is laid out
  item.once( 'layout', onLayout );
  // when all items are laid out
  this.once( 'layoutComplete', onLayout );
};

// -------------------------- resize -------------------------- //

// debounced, layout on resize
proto.resize = function() {
  // don't trigger if size did not change
  // or if resize was unbound. See #285, outlayer#9
  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
    return;
  }

  if ( this.options.shiftPercentResize ) {
    this.resizeShiftPercentLayout();
  } else {
    this.layout();
  }
};

/**
 * check if layout is needed post layout
 * @returns Boolean
 */
proto.needsResizeLayout = function() {
  var size = getSize( this.element );
  var innerSize = this._getOption('horizontal') ? 'innerHeight' : 'innerWidth';
  return size[ innerSize ] != this.size[ innerSize ];
};

proto.resizeShiftPercentLayout = function() {
  var items = this._getItemsForLayout( this.items );

  var isHorizontal = this._getOption('horizontal');
  var coord = isHorizontal ? 'y' : 'x';
  var measure = isHorizontal ? 'height' : 'width';
  var segmentName = isHorizontal ? 'rowHeight' : 'columnWidth';
  var innerSize = isHorizontal ? 'innerHeight' : 'innerWidth';

  // proportional re-align items
  var previousSegment = this[ segmentName ];
  previousSegment = previousSegment && previousSegment + this.gutter;

  if ( previousSegment ) {
    this._getMeasurements();
    var currentSegment = this[ segmentName ] + this.gutter;
    items.forEach( function( item ) {
      var seg = Math.round( item.rect[ coord ] / previousSegment );
      item.rect[ coord ] = seg * currentSegment;
    });
  } else {
    var currentSize = getSize( this.element )[ innerSize ] + this.gutter;
    var previousSize = this.packer[ measure ];
    items.forEach( function( item ) {
      item.rect[ coord ] = ( item.rect[ coord ] / previousSize ) * currentSize;
    });
  }

  this.shiftLayout();
};

// -------------------------- drag -------------------------- //

/**
 * handle an item drag start event
 * @param {Element} elem
 */
proto.itemDragStart = function( elem ) {
  if ( !this.isEnabled ) {
    return;
  }
  this.stamp( elem );
  // this.ignore( elem );
  var item = this.getItem( elem );
  if ( !item ) {
    return;
  }

  item.enablePlacing();
  item.showDropPlaceholder();
  this.dragItemCount++;
  this.updateShiftTargets( item );
};

proto.updateShiftTargets = function( dropItem ) {
  this.shiftPacker.reset();

  // pack stamps
  this._getBoundingRect();
  var isOriginLeft = this._getOption('originLeft');
  var isOriginTop = this._getOption('originTop');
  this.stamps.forEach( function( stamp ) {
    // ignore dragged item
    var item = this.getItem( stamp );
    if ( item && item.isPlacing ) {
      return;
    }
    var offset = this._getElementOffset( stamp );
    var rect = new Rect({
      x: isOriginLeft ? offset.left : offset.right,
      y: isOriginTop ? offset.top : offset.bottom
    });
    this._setRectSize( stamp, rect );
    // save its space in the packer
    this.shiftPacker.placed( rect );
  }, this );

  // reset shiftTargets
  var isHorizontal = this._getOption('horizontal');
  var segmentName = isHorizontal ? 'rowHeight' : 'columnWidth';
  var measure = isHorizontal ? 'height' : 'width';

  this.shiftTargetKeys = [];
  this.shiftTargets = [];
  var boundsSize;
  var segment = this[ segmentName ];
  segment = segment && segment + this.gutter;

  if ( segment ) {
    var segmentSpan = Math.ceil( dropItem.rect[ measure ] / segment );
    var segs = Math.floor( ( this.shiftPacker[ measure ] + this.gutter ) / segment );
    boundsSize = ( segs - segmentSpan ) * segment;
    // add targets on top
    for ( var i=0; i < segs; i++ ) {
      var initialX = isHorizontal ? 0 : i * segment;
      var initialY = isHorizontal ? i * segment : 0;
      this._addShiftTarget( initialX, initialY, boundsSize );
    }
  } else {
    boundsSize = ( this.shiftPacker[ measure ] + this.gutter ) - dropItem.rect[ measure ];
    this._addShiftTarget( 0, 0, boundsSize );
  }

  // pack each item to measure where shiftTargets are
  var items = this._getItemsForLayout( this.items );
  var packMethod = this._getPackMethod();
  items.forEach( function( item ) {
    var rect = item.rect;
    this._setRectSize( item.element, rect );
    this.shiftPacker[ packMethod ]( rect );

    // add top left corner
    this._addShiftTarget( rect.x, rect.y, boundsSize );
    // add bottom left / top right corner
    var cornerX = isHorizontal ? rect.x + rect.width : rect.x;
    var cornerY = isHorizontal ? rect.y : rect.y + rect.height;
    this._addShiftTarget( cornerX, cornerY, boundsSize );

    if ( segment ) {
      // add targets for each column on bottom / row on right
      var segSpan = Math.round( rect[ measure ] / segment );
      for ( var i=1; i < segSpan; i++ ) {
        var segX = isHorizontal ? cornerX : rect.x + segment * i;
        var segY = isHorizontal ? rect.y + segment * i : cornerY;
        this._addShiftTarget( segX, segY, boundsSize );
      }
    }
  }, this );

};

proto._addShiftTarget = function( x, y, boundsSize ) {
  var checkCoord = this._getOption('horizontal') ? y : x;
  if ( checkCoord !== 0 && checkCoord > boundsSize ) {
    return;
  }
  // create string for a key, easier to keep track of what targets
  var key = x + ',' + y;
  var hasKey = this.shiftTargetKeys.indexOf( key ) != -1;
  if ( hasKey ) {
    return;
  }
  this.shiftTargetKeys.push( key );
  this.shiftTargets.push({ x: x, y: y });
};

// -------------------------- drop -------------------------- //

proto.shift = function( item, x, y ) {
  var shiftPosition;
  var minDistance = Infinity;
  var position = { x: x, y: y };
  this.shiftTargets.forEach( function( target ) {
    var distance = getDistance( target, position );
    if ( distance < minDistance ) {
      shiftPosition = target;
      minDistance = distance;
    }
  });
  item.rect.x = shiftPosition.x;
  item.rect.y = shiftPosition.y;
};

function getDistance( a, b ) {
  var dx = b.x - a.x;
  var dy = b.y - a.y;
  return Math.sqrt( dx * dx + dy * dy );
}

// -------------------------- drag move -------------------------- //

var DRAG_THROTTLE_TIME = 120;

/**
 * handle an item drag move event
 * @param {Element} elem
 * @param {Number} x - horizontal change in position
 * @param {Number} y - vertical change in position
 */
proto.itemDragMove = function( elem, x, y ) {
  var item = this.isEnabled && this.getItem( elem );
  if ( !item ) {
    return;
  }

  x -= this.size.paddingLeft;
  y -= this.size.paddingTop;

  var _this = this;
  function onDrag() {
    _this.shift( item, x, y );
    item.positionDropPlaceholder();
    _this.layout();
  }

  // throttle
  var now = new Date();
  if ( this._itemDragTime && now - this._itemDragTime < DRAG_THROTTLE_TIME ) {
    clearTimeout( this.dragTimeout );
    this.dragTimeout = setTimeout( onDrag, DRAG_THROTTLE_TIME );
  } else {
    onDrag();
    this._itemDragTime = now;
  }
};

// -------------------------- drag end -------------------------- //

/**
 * handle an item drag end event
 * @param {Element} elem
 */
proto.itemDragEnd = function( elem ) {
  var item = this.isEnabled && this.getItem( elem );
  if ( !item ) {
    return;
  }

  clearTimeout( this.dragTimeout );
  item.element.classList.add('is-positioning-post-drag');

  var completeCount = 0;
  var _this = this;
  function onDragEndLayoutComplete() {
    completeCount++;
    if ( completeCount != 2 ) {
      return;
    }
    // reset drag item
    item.element.classList.remove('is-positioning-post-drag');
    item.hideDropPlaceholder();
    _this.dispatchEvent( 'dragItemPositioned', null, [ item ] );
  }

  item.once( 'layout', onDragEndLayoutComplete );
  this.once( 'layoutComplete', onDragEndLayoutComplete );
  item.moveTo( item.rect.x, item.rect.y );
  this.layout();
  this.dragItemCount = Math.max( 0, this.dragItemCount - 1 );
  this.sortItemsByPosition();
  item.disablePlacing();
  this.unstamp( item.element );
};

/**
 * binds Draggabilly events
 * @param {Draggabilly} draggie
 */
proto.bindDraggabillyEvents = function( draggie ) {
  this._bindDraggabillyEvents( draggie, 'on' );
};

proto.unbindDraggabillyEvents = function( draggie ) {
  this._bindDraggabillyEvents( draggie, 'off' );
};

proto._bindDraggabillyEvents = function( draggie, method ) {
  var handlers = this.handleDraggabilly;
  draggie[ method ]( 'dragStart', handlers.dragStart );
  draggie[ method ]( 'dragMove', handlers.dragMove );
  draggie[ method ]( 'dragEnd', handlers.dragEnd );
};

/**
 * binds jQuery UI Draggable events
 * @param {jQuery} $elems
 */
proto.bindUIDraggableEvents = function( $elems ) {
  this._bindUIDraggableEvents( $elems, 'on' );
};

proto.unbindUIDraggableEvents = function( $elems ) {
  this._bindUIDraggableEvents( $elems, 'off' );
};

proto._bindUIDraggableEvents = function( $elems, method ) {
  var handlers = this.handleUIDraggable;
  $elems
    [ method ]( 'dragstart', handlers.start )
    [ method ]( 'drag', handlers.drag )
    [ method ]( 'dragstop', handlers.stop );
};

// ----- destroy ----- //

var _destroy = proto.destroy;
proto.destroy = function() {
  _destroy.apply( this, arguments );
  // disable flag; prevent drag events from triggering. #72
  this.isEnabled = false;
};

// -----  ----- //

Packery.Rect = Rect;
Packery.Packer = Packer;

return Packery;

}));
// source --> https://deandrandmiketravel.com/wp-content/plugins/photoblocks-grid-gallery/public/js/photoblocks.public.js 
/*global jQuery*/
var PhotoBlocks = {};

//credits James Padolsey http://james.padolsey.com/
var qualifyURL = function (url) {
  var img = document.createElement("img");
  img.src = url; // set string url
  url = img.src; // get qualified url
  img.src = null; // no server request
  return url;
};

(function($) {
  $.fn.visible = function (partial) {

      if (!$(this).offset())
          return true;

      var $t = $(this),
          $w = $(window),
          viewTop = $w.scrollTop(),
          viewBottom = viewTop + $w.height(),
          _top = $t.offset().top,
          _bottom = _top + $t.height(),
          compareTop = partial === true ? _bottom : _top,
          compareBottom = partial === true ? _top : _bottom;

      return ((compareBottom <= viewBottom) && (compareTop >= viewTop));

  };

  PhotoBlocks = function(conf) {
    this.$grid = null;
    this.$blocks = [];
    this.geometry = {
      width: 0,
      squareSize: 0,
      on: {
        before: null,
        after: null,
        refresh: null
      },
      debug: false
    };
    this.loaded_images = 0;
    this.err_images = 0;
    this.images_count = 0;
  
    this.mode = "grid";
    this.packery_init = false;

    this.settings = {
      selector: null,
      columns: 4,
      padding: 10,
      disable_below: 320,
      image_quality: 80,
      imageExtraWidth: 0,
      imageFactor: 1.5,
      lazy: false,
      mobile_layout: []
    };
    for (var a in conf) {
      this.settings[a] = conf[a];
    }

    this.effects = {
      fade: {
        animeOpts: {
          targets : ".pb-block",
          duration: function(t,i) {
            return 600 + i*75;
          },
          easing: 'easeOutExpo',
          delay: function(t,i) {
            return i*50;
          },
          opacity: {
            value: [0,1],
            easing: 'linear'
          },
        }	
      }
    };
    

    if (this.init()) {
      this.load_images(this.$blocks);
      this.setup_social();

      
    }
  };

  PhotoBlocks.prototype.setup_social = function () {
    var self = this;

    function block_text($block) {
      var text = {
        title: "",
        description: ""
      };
      
      if($block.find(".pb-title").length)
        text.title = $block.find(".pb-title").text();

        if($block.find(".pb-description").length)
        text.description = $block.find(".pb-description").text();

      return text;
    }

    self.social_actions = {
      facebook: function ($block) {        
        var text = block_text($block);
        var url = "https://www.facebook.com/dialog/feed?app_id=1447224948871585&"+
                            "link="+encodeURIComponent(location.href)+"&" +
                            "display=popup&"+
                            "name="+encodeURIComponent(text.title)+"&"+
                            "caption=&"+
                            "description="+encodeURIComponent(text.description)+"&"+
                            "ref=share&"+
                            "actions={%22name%22:%22View%20the%20gallery%22,%20%22link%22:%22"+encodeURIComponent(location.href)+"%22}&"+
                            "redirect_uri=http://www.final-tiles-gallery.com/facebook_redirect.html";

                var w = window.open(url, "photoblocks-share-facebook", "location=1,status=1,scrollbars=1,width=600,height=400");
                w.moveTo((screen.width / 2) - (300), (screen.height / 2) - (200));
      },
      twitter: function ($block) {
        var text = block_text($block);
        var w = window.open("https://twitter.com/intent/tweet?url=" + encodeURI(location.href.split('#')[0]) + "&text=" + encodeURI(text.title + " " + text.description), "photoblocks-share-twitter", "location=1,status=1,scrollbars=1,width=600,height=400");
        w.moveTo((screen.width / 2) - (300), (screen.height / 2) - (200));
      },
      houzz: function ($block) {
        var image = $block.find(".pb-image").attr("src");
        var text = block_text($block);
        var w = window.open("http://www.houzz.com/imageClipperUpload?imageUrl="+encodeURIComponent(qualifyURL(image))+"&title="+ text.title + " " + text.description +"&link=" + encodeURI(location.href), "photoblocks-share-houzz", "location=1,status=1,scrollbars=1,width=800,height=500");
        w.moveTo((screen.width / 2) - (300), (screen.height / 2) - (200));
      },
      pinterest: function ($block) {
        var image = $block.find(".pb-image").attr("src");
        var text = block_text($block);
        var url = "http://pinterest.com/pin/create/button/?url=" + encodeURIComponent(location.href) + "&description=" + encodeURI(text.title + " " + text.description);

        url += ("&media=" + encodeURIComponent(qualifyURL(image)));

        var w = window.open(url, "photoblocks-share-pinterest", "location=1,status=1,scrollbars=1,width=600,height=400");
        w.moveTo((screen.width / 2) - (300), (screen.height / 2) - (200));
      },
      google: function ($block) {
        var url = "https://plus.google.com/share?url=" + encodeURI(location.href);

        var w = window.open(url, "photoblocks-share-google", "location=1,status=1,scrollbars=1,width=600,height=400");
        w.moveTo((screen.width / 2) - (300), (screen.height / 2) - (200));
      }
    };

    this.$blocks.each(function (i, block) {
      var $block = $(block);

      $block.find(".pb-social button").each(function (i, button) {
        var $button = $(button);
        var social = $button.data("social");
        $button.click(function (e) {
          e.preventDefault();
          e.stopPropagation();
          self.social_actions[social]($block);
        });
      });
    });    
  };

  PhotoBlocks.prototype.apply_effects = function ($block) {
    var anim = this.$grid.data("anim");

    var effect = this.effects[anim];
    effect.animeOpts.targets = $block.get(0);

    $block.css({
      transition: "none"
    });
    anime(effect.animeOpts);
    setTimeout(function () {
      $block.css({
        transition: "left .25s, top .45s, transform .25s"
      });
    }, 1000);    
  };

  PhotoBlocks.prototype.print_i = function(data) {
    if (this.settings.debug) console.info("PB > ", data);
  };

  PhotoBlocks.prototype.print_e = function(data) {
    if (this.settings.debug) console.error("PB > ", data);
  };

  PhotoBlocks.prototype.print_w = function(data) {
    if (this.settings.debug) console.warn("PB > ", data);
  };

  

  PhotoBlocks.prototype.cellSize = function() {    
    var self = this;
    var w = self.$grid.width();    
    if(w < self.settings.disable_below) {
      self.$grid.addClass("pb-disabled");
      this.mode.type = "stack";
    } else {
      self.$grid.removeClass("pb-disabled");
      this.mode.type = "grid";
    }

    if(this.mode == "stack")
      return this.geometry.width;

    var w =
      this.geometry.width -
      this.settings.padding * (this.settings.columns - 1);
    var size = (w / this.settings.columns);
    return size;
  };

  PhotoBlocks.prototype.init_packery = function() {
    var self = this;

    self.build();
    if(self.$grid.find(".pb-blocks").data('packery'))
      self.$grid.find(".pb-blocks").packery('destroy');

    self.$grid.find(".pb-blocks").css({
      width: "calc(100% + " + self.settings.padding + "px)"
    });

    var settings = {
      itemSelector: '.pb-block',
      gutter: self.settings.padding,      
      resize: false
    };

    if(this.mode.type != "stack") {
      settings.columnWidth = self.geometry.squareSize;
      settings.rowHeight = self.geometry.squareSize;
      self.$grid.find(".pb-blocks").packery(settings);
    } 

    this.packery_init = true;
  }

  PhotoBlocks.prototype.loaded_image = function () {
    var self = this;
    if(self.err_images == self.images_count) {
      self.$grid.append("<strong>Cannot load all images, check cache settings</strong>");
    }
  };

  PhotoBlocks.prototype.apply_alignments = function($image, img) {
    var $block = $image.parent();

    var bw = $block.width();
    var bh = $block.height();
    var iw = $image.width();
    var ih = $image.height();

    if(ih > bh) {
      switch($block.data("valign")) {
        case "top": 
          $image.css({
            top: 0,
            bottom: "auto"
          });
          break;
        case "bottom": 
          $image.css({
            top: "auto",
            bottom: 0
          });
          break;
        case "center": 
          $image.css({
            top: - ((ih - bh) / 2),
            bottom: "auto"
          });   
          break;
      }
    }
    if(iw > bw) {
      switch($block.data("halign")) {
        case "left": 
          $image.css({
            left: 0,
            right: "auto"
          });
          break;
        case "right": 
          $image.css({
            left: "auto",
            right: 0
          });
          break;
        case "center": 
          $image.css({
            left: - ((iw - bw) / 2),
            right: "auto"
          });   
          break;
      }
    }
  }

  PhotoBlocks.prototype.load_images = function($blocks) {  
    var self = this;
    $blocks.not(".pb-ready").each(function() {
      var $block = $(this);

      if(self.settings.lazy && ! $block.visible(true))
        return false;

      var type = $(this).data("type");

      if(type == "empty" || type == "text") {
        $block.addClass("pb-ready");
        self.apply_effects($block);
      }
      if(type == "image" || type == "post") {
        self.setImageSrc($block)
        var $image = $(this).find(".pb-image");
        var src = $image.attr("src");        

        var i = new Image();
        i.onload = function () {
          self.loaded_images++;
          self.loaded_image();
          $block.addClass("pb-ready");
          $block.data("image-width", i.width);
          $block.data("image-height", i.height);
          //console.log(i.src, $block.data("image-width"), $block.data("image-height"));

          if(! self.settings.resizer)
            self.apply_alignments($image, i);
          self.apply_effects($block);
        };
        i.onerror = function () {
          self.err_images++;
          $block.addClass("pb-ready-err");
          console.warn("Loading error", $block);
        };
        i.src = src;
      }      
    });
  };

  PhotoBlocks.prototype.setImageSrc = function($block) {
    var self = this;
    
    if($block.data("type") == "image" || $block.data("type") == "post") {
      var valign = $block.data("valign");
      var halign = $block.data("halign");
      var rowspan = $block.data("rowspan");
      var colspan = $block.data("colspan");
          
      var src = $block.find(".pb-image").data("pb-source");
      
      var width = self.getSnappedSize(
        colspan * self.geometry.squareSize
      );
      var height = self.getSnappedSize(
        rowspan * self.geometry.squareSize
      );      

      width *= self.settings.imageFactor;
      height *= self.settings.imageFactor;

      if(self.mode.type == "stack") {
        width = self.geometry.width;
        height = null; 
      }

      var resized_src = self.getImageUrl(
        src,
        width,
        height,
        valign,
        halign,
        self.settings.imageExtraWidth
      );

      $block.find(".pb-image").attr("src", resized_src).show();
    }  
  }

  PhotoBlocks.prototype.currentMode = function() {
    var self = this;
    var w = $(window).width();

    var mode = { type: "grid" };
    if(w < self.settings.disable_below)
      return { type: "stack" };
    
    
    return mode;
  }

  PhotoBlocks.prototype.build = function() {
    var self = this;
    var w = self.$grid.width();
    this.mode = self.currentMode();
    if(this.mode.type == "stack") {
      self.$grid.addClass("pb-disabled");
    } else {
      self.$grid.removeClass("pb-disabled");        
    }

    this.print_i("Gallery mode: " + this.mode.type);

    this.$blocks.not(".pb-filtered").each(function() {
      var $block = $(this);
      var rowspan = $block.data("rowspan");
      var colspan = $block.data("colspan");

      var width = self.getSnappedSize(
        colspan * self.geometry.squareSize
      );
      var height = self.getSnappedSize(
        rowspan * self.geometry.squareSize
      );

      //self.print_i("Calculated: " + width + "x" + height);

      if(self.mode.type == "stack") {        
        width = "100%";
        height = "auto";

        console.log("!");

        $block.css({
          position: "relative",
          marginBottom: self.settings.padding
        }).find(".pb-image").css({
          position: "static",
          width: "100%",
          height: "auto",
          position: "static"
        });
      }
      else if(self.mode.type == "grid") {
        
      } else if(self.mode.type == "mobile") {
        width = (w - ( (self.mode.layout.cols - 1) * self.settings.padding)) / self.mode.layout.cols;
        height = width; 
        /*if(self.mode.layout.square) {
          height = width;
        } else {
          height = w / width * height;
        }*/
        
        self.geometry.squareSize = width
      }

      self.print_i("build: " +  (width + "x" + height));

      $block.css({
        width: width,
        height: height
      });
      
      if(! self.settings.lazy)
        self.setImageSrc($block)
    });
    
  };

  PhotoBlocks.prototype.getImageUrl = function(
    src,
    width,
    height,
    valign,
    halign,
    exceeding_w
  ) {

    if(! this.settings.resizer)
      return src;


    var parts = [];

    var v = "c";
    if (valign == "top") v = "t";
    if (valign == "bottom") v = "b";

    var h = halign.substr(0, 1);

    //var w_ = colspan * 200 + exceeding_w;
    //var h_ = rowspan * 200;
    var w_ = width + exceeding_w;
    var h_ = height;

    parts.push("q=" + this.settings.image_quality);
    parts.push("src=" + src);

    parts.push("w=" + w_);
    if(h_)
      parts.push("h=" + h_);
    parts.push("a=" + v + h);
    parts.push("zc=4");
    return this.settings.resizer + "?" + parts.join("&");
  };

  PhotoBlocks.prototype.getSquareIndex = function(len) {
    return Math.round(len / this.geometry.squareSize);
  };

  PhotoBlocks.prototype.getSnappedSize = function(len) {    
    var x = this.getSquareIndex(len);
    return this.geometry.squareSize * x + this.settings.padding * (x - 1);
  };

  PhotoBlocks.prototype.init = function() {

    if(this.settings.on.before)
      this.settings.on.before();

    if (!this.settings.selector) {
      this.print_e("Null selector !");
      return false;
    }

    this.settings.imageFactor = parseFloat(this.settings.imageFactor);
    if(this.settings.imageFactor == 0 || isNaN(this.settings.imageFactor))
      this.settings.imageFactor = 1.5;

    this.$grid = $(this.settings.selector);

    if (this.$grid.length == 0) {
      this.print_e("Gallery element not found!");
      return;
    }
    
    this.$blocks = this.$grid.find(".pb-block");

    if (this.$blocks.length == 0) {
      this.print_w("Useless empty gallery?");
    }

    this.images_count = this.$blocks.find(".pb-image").length;

    this.$blocks.each(function () {
      var $block = $(this);
      $block.data("conf", {
        geometry: {
          colspan: $block.data("colspan"),
          rowspan: $block.data("rowspan"),
          col: $block.data("col"),
          row: $block.data("row")
        }
      });
      $block.data("previous_conf", $.extend({}, $block.data("conf")));

    });    

    //TODO if width is 0 delay and loop until width is gt 0
    this.geometry.width = this.$grid.width();
    this.geometry.squareSize = this.cellSize();

    this.print_i("width: " + this.geometry.width);
    this.print_i("squareSize: " + this.geometry.squareSize);

    var self = this;

    //self.build();
    if(location.hash.substr(0, 5) != "#pbf-" || location.hash == "#pbf-all")
      self.init_packery();

    $(window).resize(function() {
      self.resizeTO = setTimeout(function() {
        self.print_i("resizing gallery");
        var w = self.$grid.width();
        
        self.print_i("new gallery width: " + w);
        if (w != self.geometry.width) {
          clearInterval(self.resizeTO);
          self.print_i("gallery width changed, resizing");
          self.geometry.width = w;
          self.geometry.squareSize = self.cellSize();
          
          self.init_packery();

          if(self.settings.on.refresh)
            self.settings.on.refresh();
        }
      }, 500);
    });

    if(! self.settings.lazy) {
      self.load_images(self.$blocks);
    }
    

    if(this.settings.on.after)
      this.settings.on.after();

    return true;
  };
})(jQuery);