Loading
function(t){t.exports=function(){"use strict";function t(t,i){this.scrollbar_={position_:0,range_:0},this.devicePixelRatio=i||1,this.canvas_=t,t.width=parseInt(t.width,10)*this.devicePixelRatio,t.height=parseInt(t.height,10)*this.devicePixelRatio,this.gridColor="#CCC",this.textColor="#000",this.backgroundColor="#FFF",this.fontWeight="normal",this.fontSize=10,this.fontFamily="sans-serif",this.timeLocales=[],this.timeOptions={},this.startTime_=0,this.endTime_=1,this.graph_=null,this.scale_=1e3/this.devicePixelRatio,this.updateScrollbarRange_(!0)}t.prototype={setScale:function(t){this.scale_=t},getLength_:function(){return Math.floor((this.endTime_-this.startTime_)/this.scale_)},graphScrolledToRightEdge_:function(){return this.scrollbar_.position_==this.scrollbar_.range_},updateScrollbarRange_:function(t){var i=this.getLength_()-this.canvas_.width;i<0&&(i=0),this.scrollbar_.position_>i&&(t=!0),this.scrollbar_.range_=i,t&&(this.scrollbar_.position_=i,this.repaint())},setDateRange:function(t,i){this.startTime_=t.getTime(),this.endTime_=i.getTime(),this.endTime_<=this.startTime_&&(this.startTime_=this.endTime_-1),this.updateScrollbarRange_(!0)},updateEndDate:function(t){this.endTime_=t||new Date().getTime(),this.updateScrollbarRange_(this.graphScrolledToRightEdge_())},getStartDate:function(){return new Date(this.startTime_)},setDataSeries:function(t){this.graph_=new i(this.devicePixelRatio);for(var e=0;e<t.length;++e)this.graph_.addDataSeries(t[e]);this.repaint()},addDataSeries:function(t){this.graph_||(this.graph_=new i(this.devicePixelRatio)),this.graph_.addDataSeries(t),this.repaint()},repaint:function(){if(null!==this.canvas_.offsetParent){this.repaintTimerRunning_=!1;var t=this.canvas_.width,i=this.canvas_.height,e=this.canvas_.getContext("2d");if(e.fillStyle=this.backgroundColor,e.fillRect(0,0,t,i),!(4*this.fontSize>i)&&!(t<50)){e.save();var s=this.scrollbar_.position_;0==this.scrollbar_.range_&&(s=this.getLength_()-t);var a=this.startTime_+s*this.scale_,h=i;i-=Math.ceil(this.fontSize*this.devicePixelRatio)+4,this.drawTimeLabels(e,t,i,h,a),e.strokeStyle=this.gridColor,e.lineWidth=this.devicePixelRatio,e.strokeRect(1,1,t-1,i-1),this.graph_&&(this.graph_.layout(t,i,this.fontSize*this.devicePixelRatio,a,this.scale_),this.graph_.drawTicks(e),this.graph_.drawLines(e),this.graph_.drawLabels(e)),e.restore()}}},drawTimeLabels:function(t,i,e,s,a){var h=6e4*Math.ceil(a/6e4);for(t.textBaseline="bottom",t.textAlign="center",t.fillStyle=this.textColor,t.strokeStyle=this.gridColor,t.lineWidth=this.devicePixelRatio,t.font=`${this.fontWeight} ${this.fontSize*this.devicePixelRatio}px ${this.fontFamily}`;;){var n=Math.round((h-a)/this.scale_);if(n>=i)break;var r=new Date(h).toLocaleTimeString(this.timeLocales,this.timeOptions);t.fillText(r,n,s),t.beginPath(),t.lineTo(n,1),t.lineTo(n,e),t.stroke(),h+=6e4}},getDataSeriesCount:function(){return this.graph_?this.graph_.dataSeries_.length:0},hasDataSeries:function(t){return!!this.graph_&&this.graph_.hasDataSeries(t)}};var i=function(){function t(t){this.devicePixelRatio=t||1,this.dataSeries_=[],this.width_=0,this.height_=0,this.fontHeight_=0,this.startTime_=0,this.scale_=0,this.min_=0,this.max_=0,this.labels_=[]}return t.prototype={addDataSeries:function(t){this.dataSeries_.push(t)},hasDataSeries:function(t){for(var i=0;i<this.dataSeries_.length;++i)if(this.dataSeries_[i]==t)return!0;return!1},getValues:function(t){return t.isVisible()?t.getValues(this.startTime_,this.scale_,this.width_):null},layout:function(t,i,e,s,a){this.width_=t,this.height_=i,this.fontHeight_=e,this.startTime_=s,this.scale_=a;for(var h=0,n=0,r=0;r<this.dataSeries_.length;++r){var o=this.getValues(this.dataSeries_[r]);if(o)for(var l=0;l<o.length;++l)o[l]>h?h=o[l]:o[l]<n&&(n=o[l])}this.layoutLabels_(n,h)},layoutLabels_:function(t,i){if(i-t<1024)return void this.layoutLabelsBasic_(t,i,2);var e=["","k","M","G","T","P"],s=1;for(t/=1024,i/=1024;e[s+1]&&i-t>=1024;)t/=1024,i/=1024,++s;this.layoutLabelsBasic_(t,i,2);for(var a=0;a<this.labels_.length;++a)this.labels_[a]+=" "+e[s];this.min_*=Math.pow(1024,s),this.max_*=Math.pow(1024,s)},layoutLabelsBasic_:function(t,i,e){this.labels_=[];var s=i-t;if(0==s){this.min_=this.max_=i;return}var a=2*this.fontHeight_+4,h=1+this.height_/a;h<2?h=2:h>6&&(h=6);for(var n=Math.pow(10,-e),r=e;!(Math.ceil(s/n)+1<=h);){if(Math.ceil(s/(2*n))+1<=h){n*=2;break}if(Math.ceil(s/(5*n))+1<=h){n*=5;break}n*=10,r>0&&--r}this.max_=Math.ceil(i/n)*n,this.min_=Math.floor(t/n)*n;for(var o=this.max_;o>=this.min_;o-=n)this.labels_.push(o.toFixed(r))},drawTicks:function(t){i=this.width_-1,e=this.width_-1-10,t.fillStyle=this.gridColor,t.lineWidth=this.devicePixelRatio,t.beginPath();for(var i,e,s=1;s<this.labels_.length-1;++s){var a=Math.round(this.height_*s/(this.labels_.length-1));t.moveTo(i,a),t.lineTo(e,a)}t.stroke()},drawLines:function(t){var i=0,e=this.height_-1;this.max_&&(i=e/(this.max_-this.min_));for(var s=this.dataSeries_.length-1;s>=0;--s){var a=this.getValues(this.dataSeries_[s]);if(a){t.strokeStyle=this.dataSeries_[s].getColor(),t.lineWidth=this.devicePixelRatio,t.beginPath();for(var h=0;h<a.length;++h)t.lineTo(h,e-Math.round((a[h]-this.min_)*i));t.stroke()}}},drawLabels:function(t){if(0!=this.labels_.length){var i=this.width_-3;t.fillStyle=this.textColor,t.textAlign="right",t.textBaseline="top",t.fillText(this.labels_[0],i,0),t.textBaseline="bottom";for(var e=(this.height_-1)/(this.labels_.length-1),s=1;s<this.labels_.length;++s)t.fillText(this.labels_[s],i,e*s)}}},t}();return t}()}