createScrollBar: function()

in rico.js [1858:1891]
24 lines of code
3 McCabe index (conditional complexity)

   createScrollBar: function() {
      var visibleHeight = this.liveGrid.viewPort.visibleHeight();
      // create the outer div...
      this.scrollerDiv  = document.createElement("div");
      var scrollerStyle = this.scrollerDiv.style;
      scrollerStyle.borderRight = this.liveGrid.options.scrollerBorderRight;
      scrollerStyle.position    = "relative";
      scrollerStyle.left        = this.isIE ? "-6px" : "-3px";
      scrollerStyle.width       = "19px";
      scrollerStyle.height      = visibleHeight + "px";
      scrollerStyle.overflow    = "auto";

      // create the inner div...
      this.heightDiv = document.createElement("div");
      this.heightDiv.style.width  = "1px";

      this.heightDiv.style.height = parseInt(visibleHeight *
                        this.metaData.getTotalRows()/this.metaData.getPageSize()) + "px" ;
      this.scrollerDiv.appendChild(this.heightDiv);
      this.scrollerDiv.onscroll = this.handleScroll.bindAsEventListener(this);

     var table = this.liveGrid.table;
     table.parentNode.parentNode.insertBefore( this.scrollerDiv, table.parentNode.nextSibling );
  	  var eventName = this.isIE ? "mousewheel" : "DOMMouseScroll";
	  Event.observe(table, eventName, 
	                function(evt) {
	                   if (evt.wheelDelta>=0 || evt.detail < 0) //wheel-up
	                      this.scrollerDiv.scrollTop -= (2*this.viewPort.rowHeight);
	                   else
	                      this.scrollerDiv.scrollTop += (2*this.viewPort.rowHeight);
	                   this.handleScroll(false);
	                }.bindAsEventListener(this), 
	                false);
     },