update: function()

in rico.js [1992:2023]

• 32 lines of code
• 7 McCabe index (conditional complexity)

   update: function(ajaxResponse, start) {
     var newRows = this.loadRows(ajaxResponse);
      if (this.rows.length == 0) { // initial load
         this.rows = newRows;
         this.size = this.rows.length;
         this.startPos = start;
         return;
      }
      if (start > this.startPos) { //appending
         if (this.startPos + this.rows.length < start) {
            this.rows =  newRows;
            this.startPos = start;//
         } else {
              this.rows = this.rows.concat( newRows.slice(0, newRows.length));
            if (this.rows.length > this.maxBufferSize) {
               var fullSize = this.rows.length;
               this.rows = this.rows.slice(this.rows.length - this.maxBufferSize, this.rows.length)
               this.startPos = this.startPos +  (fullSize - this.rows.length);
            }
         }
      } else { //prepending
         if (start + newRows.length < this.startPos) {
            this.rows =  newRows;
         } else {
            this.rows = newRows.slice(0, this.startPos).concat(this.rows);
            if (this.rows.length > this.maxBufferSize) 
               this.rows = this.rows.slice(0, this.maxBufferSize)
         }
         this.startPos =  start;
      }
      this.size = this.rows.length;
   },