text: var blessed = require('blessed')
     , Node = blessed.Node
     , Box = blessed.Box
     , sparkline = require('sparkline')
  
  function Sparkline(options) {
  
    var self = this
  
    if (!(this instanceof Node)) {
      return new Sparkline(options);
    }
  
    options = options || {};
    options.bufferLength = options.bufferLength || 30;
    options.style = options.style || {}
    options.style.titleFg = options.style.titleFg || 'white'
    this.options = options
    Box.call(this, options);
  
  
    this.on("attach", function() {
      if (self.options.data) {
        self.setData(self.options.data.titles, self.options.data.data)
      }
    })
  
  }
  
  Sparkline.prototype.setData = function(titles, datasets) {
    var res = '\r\n'
    for (var i=0; i<titles.length; i++) {
      res += '{bold}{'+this.options.style.titleFg+'-fg}' + titles[i]+':{/'+this.options.style.titleFg+'-fg}{/bold}\r\n'
      res += sparkline(datasets[i].slice(0, this.width-2)) + '\r\n\r\n'
    }
    
    this.setContent(res)
  }
  
  Sparkline.prototype.getOptionsPrototype = function() {
    return { label: 'Sparkline'
           , tags: true
           , border: {type: "line", fg: "cyan"}
           , width: '50%'
           , height: '50%'
           , style: { fg: 'blue' }
           , data: { titles: [ 'Sparkline1', 'Sparkline2'],
                     data: [ [10, 20, 30, 20, 50, 70, 60, 30, 35, 38]
                           , [40, 10, 40, 50, 20, 30, 20, 20, 19, 40] ]
                   }
           }
  }
  
  Sparkline.prototype.__proto__ = Box.prototype;
  
  Sparkline.prototype.type = 'sparkline';
  
  module.exports = Sparkline