1 define(["jquery","core/chartjs","core/chart_axis","core/chart_output_base"],function(a,b,c,d){function e(){d.prototype.constructor.apply(this,arguments),this._build()}return e.prototype=Object.create(d.prototype),e.prototype._config=null,e.prototype._chartjs=null,e.prototype.getDatasets=function(){var a=this._chart.getSeries().map(function(a){return{label:a.getLabel(),data:a.getValues(),type:a.getType(),fill:!1,borderColor:a.getColor(),backgroundColor:a.getColor()}});return a},e.prototype._build=function(){this._config=this._makeConfig(),this._chartjs=new b(this._node[0],this._config)},e.prototype._makeAxisConfig=function(a){var b={};return a.getPosition()!==c.prototype.POS_DEFAULT&&(b.position=a.getPosition()),null!==a.getLabel()&&(b.scaleLabel={display:!0,labelString:a.getLabel()}),null!==a.getStepSize()&&(b.ticks=b.ticks||{},b.ticks.stepSize=a.getStepSize()),b},e.prototype._makeConfig=function(){var a={type:this._chart.getType(),data:{labels:this._chart.getLabels(),datasets:this.getDatasets()},options:{title:{display:null!==this._chart.getTitle(),text:this._chart.getTitle()}}};return this._chart.getXAxes().forEach(function(b,c){a.options.scales=a.options.scales||{},a.options.scales.xAxes=a.options.scales.xAxes||[],a.options.scales.xAxes[c]=this._makeAxisConfig(b)}.bind(this)),this._chart.getYAxes().forEach(function(b,c){a.options.scales=a.options.scales||{},a.options.scales.yAxes=a.options.scales.yAxes||[],a.options.scales.yAxes[c]=this._makeAxisConfig(b)}.bind(this)),a},e.prototype.update=function(){a.extend(!0,this._config,this._makeConfig()),this._chartjs.update()},e});
