Isotope masonryHorizontal gutters

gistfile1.js

// Execute this before an isotope call

// modified Isotope methods for gutters in masonryHorizontal
$.Isotope.prototype._getMasonryHorizontalGutterRows = function() {
  var gutter = this.options.masonryHorizontal && this.options.masonryHorizontal.gutterWidth || 0;
      containerHeight = this.element.height();

  this.masonryHorizontal.rowHeight = this.options.masonryHorizontal && this.options.masonryHorizontal.rowHeight ||
                // or use the size of the first item
                this.$filteredAtoms.outerHeight(true) ||
                // if there's no items, use size of container
                containerHeight;

  this.masonryHorizontal.rowHeight += gutter;

  this.masonryHorizontal.rows = Math.floor( ( containerHeight + gutter ) / this.masonryHorizontal.rowHeight );
  this.masonryHorizontal.rows = Math.max( this.masonryHorizontal.rows, 1 );
};

$.Isotope.prototype._masonryHorizontalReset = function() {

   // layout-specific props
    this.masonryHorizontal = {};
    // FIXME shouldn't have to call this again
    this._getSegments( true );
    this._getMasonryHorizontalGutterRows();
    var i = this.masonryHorizontal.rows;
    this.masonryHorizontal.rowXs = [];
    while (i--) {
      this.masonryHorizontal.rowXs.push( 0 );
    }
};

$.Isotope.prototype._masonryHorizontalResizeChanged = function() {
  var prevSegments = this.masonryHorizontal.rows;
  // update cols/rows
  this._getMasonryHorizontalGutterRows();
  // return if updated cols/rows is not equal to previous
  return ( this.masonryHorizontal.rows !== prevSegments );
};