mirror of
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99 lines
No EOL
2.5 KiB
JavaScript
99 lines
No EOL
2.5 KiB
JavaScript
define([
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"Lib/Vendor/Chart"
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],
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function (Chart) {
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"use strict";
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function Graph(ctx, isStepCounter, newOptions) {
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var numberOfGraphBars = 25;
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var empty = new Array(numberOfGraphBars);
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for (var i = empty.length - 1; i >= 0; i--) empty[i] = -1;
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var data = {
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labels: empty,
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datasets: [
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{
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label: "no label",
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fillColor: "rgba(220,220,220,1)",
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strokeColor: "rgba(220,220,220,1)",
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highlightFill: "rgba(220,220,220,1)",
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data: empty
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},
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]};
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var options = {
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showScale: false,
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scaleShowLabels: false,
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showTooltips: false,
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animation: false,
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scaleBeginAtZero : true,
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scaleShowGridLines : false,
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scaleShowHorizontalLines: true,
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scaleShowVerticalLines: true,
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barShowStroke : false,
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barStrokeWidth : 0,
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barValueSpacing : 0,
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barDatasetSpacing : 0,
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responsive: false,
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scaleBackdropPaddingY : 10,
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scaleOverride: true,
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scaleStartValue: 0,
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scaleStepWidth: 1,
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scaleSteps: 60
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}
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if (newOptions) {
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if (newOptions.scaleOverride) options.scaleOverride = newOptions.scaleOverride;
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if (newOptions.scaleStartValue) options.scaleStartValue = newOptions.scaleStartValue;
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if (newOptions.scaleSteps) options.scaleSteps = newOptions.scaleSteps;
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if (newOptions.scaleStepWidth) options.scaleStepWidth = newOptions.scaleStepWidth;
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}
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this.chart = new Chart(ctx).Bar(data, options);
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this.stepCounter = 0;
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this.currentValue = 0;
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this.updateFunction = function(value){};
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var self = this;
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if (isStepCounter) {
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setInterval(function(){
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self.addValue(null);
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}, 1000);
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}
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}
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Graph.prototype.addValue = function (value) {
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value = value ? value : this.stepCounter;
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this.chart.addData( [value], "" );
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this.currentValue = value;
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this.stepCounter = 0;
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var color = this.updateFunction(this.currentValue);
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color = color ? color : "rgba(136, 209, 018, 1)"; // green
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this.chart.datasets[0].bars[this.chart.datasets[0].bars.length-1].fillColor = color;
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this.chart.removeData();
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this.chart.update();
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}
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Graph.prototype.step = function() {
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this.stepCounter++;
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};
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Graph.prototype.getCurrentValue = function() {
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return this.currentValue;
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};
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Graph.prototype.onUpdate = function(f) {
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this.updateFunction = f;
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};
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return Graph;
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}); |