code: function() {
  
  	this._magnets = [];
  
  	var $link = this.$('.link');
  	var magnetElements = this.options.cellView.$('[magnet="true"]');
  
  	if (this.options.magnetFilter) {
  
  	    if (_.isFunction(this.options.magnetFilter)) {
  
  		// We want function to be called with a magnet element as the first parameter. Not an index
  		// as jQuery.filter would do it.
  		magnetElements = _.filter(magnetElements, this.options.magnetFilter);
  
  	    } else {
  
  		// Every other case runs jQuery.filter method
  		magnetElements = magnetElements.filter(this.options.magnetFilter);
  	    }
  	}
  
  	if ($link.length && magnetElements.length) {
  
  	    var linkWidth = $link.width();
  	    var linkHeight = $link.height();
  
  	    _.each(magnetElements, function(magnetElement) {
  
  		var magnetClientRect = magnetElement.getBoundingClientRect();
  
  		var $haloElement = $link.clone()
  		    .addClass('halo-magnet')
  		    .css({
  			width: Math.min(magnetClientRect.width, linkWidth),
  			height: Math.min(magnetClientRect.height, linkHeight),
  			'background-size': 'contain'
  		    })
  		    .data('selector', this.options.cellView.getSelector(magnetElement))
  		    .appendTo(this.$el);
  
  		this._magnets.push({ $halo: $haloElement, el: magnetElement });
  
  	    }, this);
  	}
  
  	// disable linking & forking from the element itself if is it not a magnet
  	if (this.options.cellView.$el.attr('magnet') == 'false') {
  	    $link.hide();
  	    this.$('.fork').hide();
  	}
      }
docs: Magnet functions