Masonry - cornerStamp + isFitWidth hot fix

https://github.com/desandro/isotope/issues/194

by Reusablecode

HTML

<link rel="stylesheet" href="http://masonry.desandro.com/css/style.css">
<script src="http://masonry.desandro.com/jquery.masonry.min.js"></script>
<div id="container" class="clearfix">
    
    <div class="corner-stamp">
        I'm up in your layoutz.
    </div>

  <div class="box col2">
    <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec odio. Quisque volutpat mattis eros. Nullam malesuada erat ut turpis. Suspendisse urna nibh, viverra non, semper suscipit, posuere a, pede.</p>
  </div>

  <div class="box col1">
    <p>Donec nec justo eget felis facilisis fermentum. Aliquam porttitor mauris sit amet orci. </p>
  </div>

  <div class="box col1">
    <p>Fusce accumsan mollis eros. Pellentesque a diam sit amet mi ullamcorper vehicula  </p>
  </div>

  <div class="box">
    <h2>This is the box with no width set</h2>
  </div>

  <div class="box col1">
    <h2>Sit amet mi ullamcorper vehicula</h2>
  </div>

  <div class="box col1">
    <p>adipiscing in, lacinia vel, tellus. Suspendisse ac urna. Etiam pellentesque mauris ut lectus.</p>
  </div>

  <div class="box col2">
    <p>Sit amet mi ullamcorper vehicula</p>
  </div>

  <div class="box col1">
    <p>Phasellus pede arcu, dapibus eu, fermentum et, dapibus sed, urna.</p>
  </div>

  <div class="box col2">
    <p>Ut condimentum mi vel tellus. Suspendisse laoreet. Fusce ut est sed dolor gravida convallis. Morbi vitae ante. Vivamus ultrices luctus nunc. Suspendisse et dolor. Etiam dignissim. Proin malesuada adipiscing lacus. Donec metus. Curabitur gravida.</p>
    <p>Phasellus pede arcu, dapibus eu, fermentum et, dapibus sed, urna.</p>
  </div>

  <div class="box col3">
    <p>Sed ac risus. Phasellus lacinia, magna a ullamcorper laoreet, lectus arcu pulvinar risus, vitae facilisis libero dolor a purus. Sed vel lacus. Mauris nibh felis, adipiscing varius, adipiscing in, lacinia vel, tellus. Suspendisse ac urna. Etiam pellentesque mauris ut lectus. Nunc tellus ante, mattis eget, gravida vitae,...

CSS

#container { margin: 0 auto; }

JavaScript

// Masonry corner stamp modifications
$.Mason.prototype.resize = function() {
  this._getColumns();
  this._reLayout();
};
  
$.Mason.prototype._reLayout = function( callback ) {
  var freeCols = this.cols;
  if ( this.options.cornerStampSelector ) {
      
    var containerWidth = this.cols * this.columnWidth - this.options.gutterWidth;
    this.element.css({ width: containerWidth });

    var $cornerStamp = this.element.find( this.options.cornerStampSelector ),
        cornerStampX = $cornerStamp.offset().left - 
          ( this.element.offset().left + this.offset.x + parseInt($cornerStamp.css('marginLeft')) );
    freeCols = Math.floor( cornerStampX / this.columnWidth );
  }
  // reset columns
  var i = this.cols;
  this.colYs = [];
  while (i--) {
    this.colYs.push( this.offset.y );
  }

  for ( i = freeCols; i < this.cols; i++ ) {
    this.colYs[i] = this.offset.y + $cornerStamp.outerHeight(true);
  }

  // apply layout logic to all bricks
  this.layout( this.$bricks, callback );
};

$(function(){
    
  $('#container').masonry({
    itemSelector: '.box',
    columnWidth: 100,
    cornerStampSelector: '.corner-stamp',
    isFitWidth: true
  });
    
});