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-/*!
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- * jquery.flot.gauge v1.1.0 *
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- *
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- * Flot plugin for rendering gauge charts.
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- *
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- * Copyright (c) 2015 @toyoty99.
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- * Licensed under the MIT license.
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- */
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-
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-/**
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- * @module flot.gauge
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- */
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-(function($) {
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-
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-
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- /**
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- * Gauge class
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- *
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- * @class Gauge
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- */
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- var Gauge = (function() {
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- /**
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- * context of canvas
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- *
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- * @property context
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- * @type Object
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- */
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- var context;
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- /**
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- * placeholder of canvas
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- *
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- * @property placeholder
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- * @type Object
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- */
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- var placeholder;
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- /**
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- * options of plot
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- *
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- * @property options
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- * @type Object
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- */
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- var options;
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- /**
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- * options of gauge
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- *
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- * @property gaugeOptions
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- * @type Object
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- */
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- var gaugeOptions;
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- /**
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- * data series
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- *
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- * @property series
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- * @type Array
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- */
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- var series;
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- /**
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- * logger
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- *
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- * @property logger
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- * @type Object
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- */
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- var logger;
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-
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- /**
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- * constructor
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- *
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- * @class Gauge
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- * @constructor
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- * @param {Object} gaugeOptions gauge options
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- */
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- var Gauge = function(plot, ctx) {
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- context = ctx;
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- placeholder = plot.getPlaceholder();
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- options = plot.getOptions();
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- gaugeOptions = options.series.gauges;
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- series = plot.getData();
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- logger = getLogger(gaugeOptions.debug);
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- }
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-
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- /**
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- * calculate layout
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- *
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- * @method calculateLayout
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- * @return the calculated layout properties
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- */
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- Gauge.prototype.calculateLayout = function() {
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-
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- var canvasWidth = placeholder.width();
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- var canvasHeight = placeholder.height();
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-
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-
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-
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- // calculate cell size
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- var columns = Math.min(series.length, gaugeOptions.layout.columns);
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- var rows = Math.ceil(series.length / columns);
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-
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-
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-
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- var margin = gaugeOptions.layout.margin;
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- var hMargin = gaugeOptions.layout.hMargin;
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- var vMargin = gaugeOptions.layout.vMargin;
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- var cellWidth = (canvasWidth - (margin * 2) - (hMargin * (columns - 1))) / columns;
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- var cellHeight = (canvasHeight - (margin * 2) - (vMargin * (rows - 1))) / rows;
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- if (gaugeOptions.layout.square) {
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- var cell = Math.min(cellWidth, cellHeight);
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- cellWidth = cell;
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- cellHeight = cell;
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- }
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-
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-
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-
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- // calculate 'auto' values
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- calculateAutoValues(gaugeOptions, cellWidth);
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-
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- // calculate maximum radius
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- var cellMargin = gaugeOptions.cell.margin;
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- var labelMargin = 0;
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- var labelFontSize = 0;
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- if (gaugeOptions.label.show) {
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- labelMargin = gaugeOptions.label.margin;
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- labelFontSize = gaugeOptions.label.font.size;
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- }
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- var valueMargin = 0;
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- var valueFontSize = 0;
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- if (gaugeOptions.value.show) {
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- valueMargin = gaugeOptions.value.margin;
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- valueFontSize = gaugeOptions.value.font.size;
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- }
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- var thresholdWidth = 0;
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- if (gaugeOptions.threshold.show) {
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- thresholdWidth = gaugeOptions.threshold.width;
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- }
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- var thresholdLabelMargin = 0;
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- var thresholdLabelFontSize = 0;
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- if (gaugeOptions.threshold.label.show) {
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- thresholdLabelMargin = gaugeOptions.threshold.label.margin;
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- thresholdLabelFontSize = gaugeOptions.threshold.label.font.size;
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- }
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-
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- var maxRadiusH = (cellWidth / 2) - cellMargin - thresholdWidth - (thresholdLabelMargin * 2) - thresholdLabelFontSize;
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-
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- var startAngle = gaugeOptions.gauge.startAngle;
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- var endAngle = gaugeOptions.gauge.endAngle;
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- var dAngle = (endAngle - startAngle) / 100;
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- var heightRatioV = -1;
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- for (var a = startAngle; a < endAngle; a += dAngle) {
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- heightRatioV = Math.max(heightRatioV, Math.sin(toRad(a)));
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- }
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- heightRatioV = Math.max(heightRatioV, Math.sin(toRad(endAngle)));
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- var outerRadiusV = (cellHeight - (cellMargin * 2) - (labelMargin * 2) - labelFontSize) / (1 + heightRatioV);
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- if (outerRadiusV * heightRatioV < valueMargin + (valueFontSize / 2)) {
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- outerRadiusV = cellHeight - (cellMargin * 2) - (labelMargin * 2) - labelFontSize - valueMargin - (valueFontSize / 2);
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- }
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- var maxRadiusV = outerRadiusV - (thresholdLabelMargin * 2) - thresholdLabelFontSize - thresholdWidth;
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-
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- var radius = Math.min(maxRadiusH, maxRadiusV);
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-
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-
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- var width = gaugeOptions.gauge.width;
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- if (width >= radius) {
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- width = Math.max(3, radius / 3);
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- }
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-
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-
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- var outerRadius = (thresholdLabelMargin * 2) + thresholdLabelFontSize + thresholdWidth + radius;
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- var gaugeOuterHeight = Math.max(outerRadius * (1 + heightRatioV), outerRadius + valueMargin + (valueFontSize / 2));
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-
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- return {
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- canvasWidth: canvasWidth,
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- canvasHeight: canvasHeight,
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- margin: margin,
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- hMargin: hMargin,
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- vMargin: vMargin,
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- columns: columns,
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- rows: rows,
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- cellWidth: cellWidth,
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- cellHeight: cellHeight,
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- cellMargin: cellMargin,
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- labelMargin: labelMargin,
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- labelFontSize: labelFontSize,
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- valueMargin: valueMargin,
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- valueFontSize: valueFontSize,
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- width: width,
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- radius: radius,
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- thresholdWidth: thresholdWidth,
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- thresholdLabelMargin: thresholdLabelMargin,
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- thresholdLabelFontSize: thresholdLabelFontSize,
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- gaugeOuterHeight: gaugeOuterHeight
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- };
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- }
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-
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- /**
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- * calculate the values which are set as 'auto'
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- *
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- * @method calculateAutoValues
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- * @param {Object} gaugeOptionsi the options of the gauge
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- * @param {Number} cellWidth the width of cell
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- */
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- function calculateAutoValues(gaugeOptionsi, cellWidth) {
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-
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- if (gaugeOptionsi.gauge.width === "auto") {
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- gaugeOptionsi.gauge.width = Math.max(5, cellWidth / 8);
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- }
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- if (gaugeOptionsi.label.margin === "auto") {
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- gaugeOptionsi.label.margin = Math.max(1, cellWidth / 20);
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- }
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- if (gaugeOptionsi.label.font.size === "auto") {
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- gaugeOptionsi.label.font.size = Math.max(5, cellWidth / 8);
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- }
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- if (gaugeOptionsi.value.margin === "auto") {
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- gaugeOptionsi.value.margin = Math.max(1, cellWidth / 30);
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- }
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- if (gaugeOptionsi.value.font.size === "auto") {
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- gaugeOptionsi.value.font.size = Math.max(5, cellWidth / 9);
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- }
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- if (gaugeOptionsi.threshold.width === "auto") {
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- gaugeOptionsi.threshold.width = Math.max(3, cellWidth / 100);
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- }
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- if (gaugeOptionsi.threshold.label.margin === "auto") {
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- gaugeOptionsi.threshold.label.margin = Math.max(3, cellWidth / 40);
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- }
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- if (gaugeOptionsi.threshold.label.font.size === "auto") {
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- gaugeOptionsi.threshold.label.font.size = Math.max(5, cellWidth / 15);
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- }
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-
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- }
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- Gauge.prototype.calculateAutoValues = calculateAutoValues;
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-
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- /**
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- * calculate the layout of the cell inside
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- *
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- * @method calculateCellLayout
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- * @param {Object} gaugeOptionsi the options of the gauge
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- * @param {Number} cellWidth the width of cell
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- * @param {Number} i the index of the series
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- * @return the calculated cell layout properties
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- */
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- Gauge.prototype.calculateCellLayout = function(gaugeOptionsi, layout, i) {
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-
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- // calculate top, left and center
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- var c = col(layout.columns, i);
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- var r = row(layout.columns, i);
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- var x = layout.margin + (layout.cellWidth + layout.hMargin) * c;
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- var y = layout.margin + (layout.cellHeight + layout.vMargin) * r;
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- var cx = x + (layout.cellWidth / 2);
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- var cy = y + layout.cellMargin + (layout.labelMargin * 2) + layout.labelFontSize + layout.thresholdWidth
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- + layout.thresholdLabelFontSize + (layout.thresholdLabelMargin * 2) + layout.radius;
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- var blank = layout.cellHeight - (layout.cellMargin * 2) - (layout.labelMargin * 2) - layout.labelFontSize - layout.gaugeOuterHeight;
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- var offsetY = 0;
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- if (gaugeOptionsi.cell.vAlign === "middle") {
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- offsetY = (blank / 2);
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- } else if (gaugeOptionsi.cell.vAlign === "bottom") {
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- offsetY = blank;
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- }
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- cy += offsetY;
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-
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- return {
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- col: c,
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- row: r,
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- x: x,
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- y: y,
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- offsetY: offsetY,
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- cellWidth: layout.cellWidth,
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- cellHeight: layout.cellHeight,
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- cellMargin: layout.cellMargin,
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- cx: cx,
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- cy: cy
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- }
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- }
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-
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- /**
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- * draw the background of chart
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- *
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- * @method drawBackground
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- * @param {Object} layout the layout properties
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- */
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- Gauge.prototype.drawBackground = function(layout) {
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-
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- if (!gaugeOptions.frame.show) {
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- return;
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- }
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- context.save();
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- context.strokeStyle = options.grid.borderColor;
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- context.lineWidth = options.grid.borderWidth;
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- context.strokeRect(0, 0, layout.canvasWidth, layout.canvasHeight);
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- if (options.grid.backgroundColor) {
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- context.fillStyle = options.grid.backgroundColor;
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- context.fillRect(0, 0, layout.canvasWidth, layout.canvasHeight);
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- }
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- context.restore();
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- }
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-
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- /**
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- * draw the background of cell
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- *
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- * @method drawCellBackground
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- * @param {Object} gaugeOptionsi the options of the gauge
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- * @param {Object} cellLayout the cell layout properties
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- */
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- Gauge.prototype.drawCellBackground = function(gaugeOptionsi, cellLayout) {
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-
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- context.save();
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- if (gaugeOptionsi.cell.border && gaugeOptionsi.cell.border.show && gaugeOptionsi.cell.border.color && gaugeOptionsi.cell.border.width) {
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- context.strokeStyle = gaugeOptionsi.cell.border.color;
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- context.lineWidth = gaugeOptionsi.cell.border.width;
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- context.strokeRect(cellLayout.x, cellLayout.y, cellLayout.cellWidth, cellLayout.cellHeight);
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- }
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- if (gaugeOptionsi.cell.background && gaugeOptionsi.cell.background.color) {
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- context.fillStyle = gaugeOptionsi.cell.background.color;
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- context.fillRect(cellLayout.x, cellLayout.y, cellLayout.cellWidth, cellLayout.cellHeight);
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- }
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- context.restore();
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- }
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-
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- /**
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- * draw the gauge
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- *
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- * @method drawGauge
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- * @param {Object} gaugeOptionsi the options of the gauge
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- * @param {Object} layout the layout properties
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- * @param {Object} cellLayout the cell layout properties
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- * @param {String} label the label of data
|
|
|
|
|
- * @param {Number} data the value of the gauge
|
|
|
|
|
- */
|
|
|
|
|
- Gauge.prototype.drawGauge = function(gaugeOptionsi, layout, cellLayout, label, data) {
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
- var blur = gaugeOptionsi.gauge.shadow.show ? gaugeOptionsi.gauge.shadow.blur : 0;
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
- // draw gauge frame
|
|
|
|
|
- drawArcWithShadow(
|
|
|
|
|
- cellLayout.cx, // center x
|
|
|
|
|
- cellLayout.cy, // center y
|
|
|
|
|
- layout.radius,
|
|
|
|
|
- layout.width,
|
|
|
|
|
- toRad(gaugeOptionsi.gauge.startAngle),
|
|
|
|
|
- toRad(gaugeOptionsi.gauge.endAngle),
|
|
|
|
|
- gaugeOptionsi.gauge.border.color, // line color
|
|
|
|
|
- gaugeOptionsi.gauge.border.width, // line width
|
|
|
|
|
- gaugeOptionsi.gauge.background.color, // fill color
|
|
|
|
|
- blur);
|
|
|
|
|
-
|
|
|
|
|
- // draw gauge
|
|
|
|
|
- var c1 = getColor(gaugeOptionsi, data);
|
|
|
|
|
- var a2 = calculateAngle(gaugeOptionsi, layout, data);
|
|
|
|
|
- drawArcWithShadow(
|
|
|
|
|
- cellLayout.cx, // center x
|
|
|
|
|
- cellLayout.cy, // center y
|
|
|
|
|
- layout.radius - 1,
|
|
|
|
|
- layout.width - 2,
|
|
|
|
|
- toRad(gaugeOptionsi.gauge.startAngle),
|
|
|
|
|
- toRad(a2),
|
|
|
|
|
- c1, // line color
|
|
|
|
|
- 1, // line width
|
|
|
|
|
- c1, // fill color
|
|
|
|
|
- blur);
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * decide the color of the data from the threshold options
|
|
|
|
|
- *
|
|
|
|
|
- * @method getColor
|
|
|
|
|
- * @private
|
|
|
|
|
- * @param {Object} gaugeOptionsi the options of the gauge
|
|
|
|
|
- * @param {Number} data the value of the gauge
|
|
|
|
|
- */
|
|
|
|
|
- function getColor(gaugeOptionsi, data) {
|
|
|
|
|
- var color;
|
|
|
|
|
- for (var i = 0; i < gaugeOptionsi.threshold.values.length; i++) {
|
|
|
|
|
- var threshold = gaugeOptionsi.threshold.values[i];
|
|
|
|
|
- color = threshold.color;
|
|
|
|
|
- if (data <= threshold.value) {
|
|
|
|
|
- break;
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
- return color;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * calculate the angle of the data
|
|
|
|
|
- *
|
|
|
|
|
- * @method calculateAngle
|
|
|
|
|
- * @private
|
|
|
|
|
- * @param {Object} gaugeOptionsi the options of the gauge
|
|
|
|
|
- * @param {Object} layout the layout properties
|
|
|
|
|
- * @param {Number} data the value of the gauge
|
|
|
|
|
- */
|
|
|
|
|
- function calculateAngle(gaugeOptionsi, layout, data) {
|
|
|
|
|
- var a =
|
|
|
|
|
- gaugeOptionsi.gauge.startAngle
|
|
|
|
|
- + (gaugeOptionsi.gauge.endAngle - gaugeOptionsi.gauge.startAngle)
|
|
|
|
|
- * ((data - gaugeOptionsi.gauge.min) / (gaugeOptionsi.gauge.max - gaugeOptionsi.gauge.min));
|
|
|
|
|
-
|
|
|
|
|
- if (a < gaugeOptionsi.gauge.startAngle) {
|
|
|
|
|
- a = gaugeOptionsi.gauge.startAngle;
|
|
|
|
|
- } else if (a > gaugeOptionsi.gauge.endAngle) {
|
|
|
|
|
- a = gaugeOptionsi.gauge.endAngle;
|
|
|
|
|
- }
|
|
|
|
|
- return a;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * draw the arc of the threshold
|
|
|
|
|
- *
|
|
|
|
|
- * @method drawThreshold
|
|
|
|
|
- * @param {Object} gaugeOptionsi the options of the gauge
|
|
|
|
|
- * @param {Object} layout the layout properties
|
|
|
|
|
- * @param {Object} cellLayout the cell layout properties
|
|
|
|
|
- */
|
|
|
|
|
- Gauge.prototype.drawThreshold = function(gaugeOptionsi, layout, cellLayout) {
|
|
|
|
|
-
|
|
|
|
|
- var a1 = gaugeOptionsi.gauge.startAngle;
|
|
|
|
|
- for (var i = 0; i < gaugeOptionsi.threshold.values.length; i++) {
|
|
|
|
|
- var threshold = gaugeOptionsi.threshold.values[i];
|
|
|
|
|
- c1 = threshold.color;
|
|
|
|
|
- a2 = calculateAngle(gaugeOptionsi, layout, threshold.value);
|
|
|
|
|
- drawArc(
|
|
|
|
|
- context,
|
|
|
|
|
- cellLayout.cx, // center x
|
|
|
|
|
- cellLayout.cy, // center y
|
|
|
|
|
- layout.radius + layout.thresholdWidth,
|
|
|
|
|
- layout.thresholdWidth - 2,
|
|
|
|
|
- toRad(a1),
|
|
|
|
|
- toRad(a2),
|
|
|
|
|
- c1, // line color
|
|
|
|
|
- 1, // line width
|
|
|
|
|
- c1); // fill color
|
|
|
|
|
- a1 = a2;
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * draw an arc with a shadow
|
|
|
|
|
- *
|
|
|
|
|
- * @method drawArcWithShadow
|
|
|
|
|
- * @private
|
|
|
|
|
- * @param {Number} cx the x position of the center
|
|
|
|
|
- * @param {Number} cy the y position of the center
|
|
|
|
|
- * @param {Number} r the radius of an arc
|
|
|
|
|
- * @param {Number} w the width of an arc
|
|
|
|
|
- * @param {Number} rd1 the start angle of an arc in radians
|
|
|
|
|
- * @param {Number} rd2 the end angle of an arc in radians
|
|
|
|
|
- * @param {String} lc the color of a line
|
|
|
|
|
- * @param {Number} lw the widht of a line
|
|
|
|
|
- * @param {String} fc the fill color of an arc
|
|
|
|
|
- * @param {Number} blur the shdow blur
|
|
|
|
|
- */
|
|
|
|
|
- function drawArcWithShadow(cx, cy, r, w, rd1, rd2, lc, lw, fc, blur) {
|
|
|
|
|
- if (rd1 === rd2) {
|
|
|
|
|
- return;
|
|
|
|
|
- }
|
|
|
|
|
- context.save();
|
|
|
|
|
-
|
|
|
|
|
- drawArc(context, cx, cy, r, w, rd1, rd2, lc, lw, fc);
|
|
|
|
|
-
|
|
|
|
|
- if (blur) {
|
|
|
|
|
- drawArc(context, cx, cy, r, w, rd1, rd2);
|
|
|
|
|
- context.clip();
|
|
|
|
|
- context.shadowOffsetX = 0;
|
|
|
|
|
- context.shadowOffsetY = 0;
|
|
|
|
|
- context.shadowBlur = 10;
|
|
|
|
|
- context.shadowColor = "gray";
|
|
|
|
|
- drawArc(context, cx, cy, r + 1, w + 2, rd1, rd2, lc, 1);
|
|
|
|
|
- }
|
|
|
|
|
- context.restore();
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * draw the label of the gauge
|
|
|
|
|
- *
|
|
|
|
|
- * @method drawLable
|
|
|
|
|
- * @param {Object} gaugeOptionsi the options of the gauge
|
|
|
|
|
- * @param {Object} layout the layout properties
|
|
|
|
|
- * @param {Object} cellLayout the cell layout properties
|
|
|
|
|
- * @param {Number} i the index of the series
|
|
|
|
|
- * @param {Object} item the item of the series
|
|
|
|
|
- */
|
|
|
|
|
- Gauge.prototype.drawLable = function(gaugeOptionsi, layout, cellLayout, i, item) {
|
|
|
|
|
-
|
|
|
|
|
- drawText(
|
|
|
|
|
- cellLayout.cx,
|
|
|
|
|
- cellLayout.y + cellLayout.cellMargin + layout.labelMargin + cellLayout.offsetY,
|
|
|
|
|
- "flotGagueLabel" + i,
|
|
|
|
|
- gaugeOptionsi.label.formatter ? gaugeOptionsi.label.formatter(item.label, item.data[0][1]) : text,
|
|
|
|
|
- gaugeOptionsi.label);
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * draw the value of the gauge
|
|
|
|
|
- *
|
|
|
|
|
- * @method drawValue
|
|
|
|
|
- * @param {Object} gaugeOptionsi the options of the gauge
|
|
|
|
|
- * @param {Object} layout the layout properties
|
|
|
|
|
- * @param {Object} cellLayout the cell layout properties
|
|
|
|
|
- * @param {Number} i the index of the series
|
|
|
|
|
- * @param {Object} item the item of the series
|
|
|
|
|
- */
|
|
|
|
|
- Gauge.prototype.drawValue = function(gaugeOptionsi, layout, cellLayout, i, item) {
|
|
|
|
|
-
|
|
|
|
|
- drawText(
|
|
|
|
|
- cellLayout.cx,
|
|
|
|
|
- cellLayout.cy - (gaugeOptionsi.value.font.size / 2),
|
|
|
|
|
- "flotGagueValue" + i,
|
|
|
|
|
- gaugeOptionsi.value.formatter ? gaugeOptionsi.value.formatter(item.label, item.data[0][1]) : text,
|
|
|
|
|
- gaugeOptionsi.value);
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * draw the values of the threshold
|
|
|
|
|
- *
|
|
|
|
|
- * @method drawThresholdValues
|
|
|
|
|
- * @param {Object} gaugeOptionsi the options of the gauge
|
|
|
|
|
- * @param {Object} layout the layout properties
|
|
|
|
|
- * @param {Object} cellLayout the cell layout properties
|
|
|
|
|
- * @param {Number} i the index of the series
|
|
|
|
|
- */
|
|
|
|
|
- Gauge.prototype.drawThresholdValues = function(gaugeOptionsi, layout, cellLayout, i) {
|
|
|
|
|
-
|
|
|
|
|
- // min, max
|
|
|
|
|
- drawThresholdValue(gaugeOptionsi, layout, cellLayout, "Min" + i, gaugeOptionsi.gauge.min, gaugeOptionsi.gauge.startAngle);
|
|
|
|
|
- drawThresholdValue(gaugeOptionsi, layout, cellLayout, "Max" + i, gaugeOptionsi.gauge.max, gaugeOptionsi.gauge.endAngle);
|
|
|
|
|
- // threshold values
|
|
|
|
|
- for (var j = 0; j < gaugeOptionsi.threshold.values.length; j++) {
|
|
|
|
|
- var threshold = gaugeOptionsi.threshold.values[j];
|
|
|
|
|
- if (threshold.value > gaugeOptionsi.gauge.min && threshold.value < gaugeOptionsi.gauge.max) {
|
|
|
|
|
- var a = calculateAngle(gaugeOptionsi, layout, threshold.value);
|
|
|
|
|
- drawThresholdValue(gaugeOptionsi, layout, cellLayout, i + "_" + j, threshold.value, a);
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * draw the value of the threshold
|
|
|
|
|
- *
|
|
|
|
|
- * @method drawThresholdValue
|
|
|
|
|
- * @param {Object} gaugeOptionsi the options of the gauge
|
|
|
|
|
- * @param {Object} layout the layout properties
|
|
|
|
|
- * @param {Object} cellLayout the cell layout properties
|
|
|
|
|
- * @param {Number} i the index of the series
|
|
|
|
|
- * @param {Number} value the value of the threshold
|
|
|
|
|
- * @param {Number} a the angle of the value drawn
|
|
|
|
|
- */
|
|
|
|
|
- function drawThresholdValue(gaugeOptionsi, layout, cellLayout, i, value, a) {
|
|
|
|
|
- drawText(
|
|
|
|
|
- cellLayout.cx
|
|
|
|
|
- + ((layout.thresholdLabelMargin + (layout.thresholdLabelFontSize / 2) + layout.radius)
|
|
|
|
|
- * Math.cos(toRad(a))),
|
|
|
|
|
- cellLayout.cy
|
|
|
|
|
- + ((layout.thresholdLabelMargin + (layout.thresholdLabelFontSize / 2) + layout.radius)
|
|
|
|
|
- * Math.sin(toRad(a))),
|
|
|
|
|
- "flotGagueThresholdValue" + i,
|
|
|
|
|
- gaugeOptionsi.threshold.label.formatter ? gaugeOptionsi.threshold.label.formatter(value) : value,
|
|
|
|
|
- gaugeOptionsi.threshold.label,
|
|
|
|
|
- a);
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * draw a text
|
|
|
|
|
- *
|
|
|
|
|
- * the textOptions is assumed as follows:
|
|
|
|
|
- *
|
|
|
|
|
- * textOptions: {
|
|
|
|
|
- * background: {
|
|
|
|
|
- * color: null,
|
|
|
|
|
- * opacity: 0
|
|
|
|
|
- * },
|
|
|
|
|
- * font: {
|
|
|
|
|
- * size: "auto"
|
|
|
|
|
- * family: "\"ＭＳ ゴシック\",sans-serif"
|
|
|
|
|
- * },
|
|
|
|
|
- * color: null
|
|
|
|
|
- * }
|
|
|
|
|
- *
|
|
|
|
|
- * @method drawText
|
|
|
|
|
- * @private
|
|
|
|
|
- * @param {Number} x the x position of the text drawn (left top)
|
|
|
|
|
- * @param {Number} y the y position of the text drawn (left top)
|
|
|
|
|
- * @param {String} id the id of the dom element
|
|
|
|
|
- * @param {String} text the text drawn
|
|
|
|
|
- * @param {Object} textOptions the option of the text
|
|
|
|
|
- * @param {Number} [a] the angle of the value drawn
|
|
|
|
|
- */
|
|
|
|
|
- function drawText(x, y, id, text, textOptions, a) {
|
|
|
|
|
- var span = $("." + id, placeholder);
|
|
|
|
|
- var exists = span.length;
|
|
|
|
|
- if (!exists) {
|
|
|
|
|
- span = $("<span></span>")
|
|
|
|
|
- span.attr("id", id);
|
|
|
|
|
- span.css("position", "absolute");
|
|
|
|
|
- span.css("top", y + "px");
|
|
|
|
|
- if (textOptions.font.size) {
|
|
|
|
|
- span.css("font-size", textOptions.font.size + "px");
|
|
|
|
|
- }
|
|
|
|
|
- if (textOptions.font.family) {
|
|
|
|
|
- span.css("font-family", textOptions.font.family);
|
|
|
|
|
- }
|
|
|
|
|
- if (textOptions.color) {
|
|
|
|
|
- span.css("color", textOptions.color);
|
|
|
|
|
- }
|
|
|
|
|
- if (textOptions.background.color) {
|
|
|
|
|
- span.css("background-color", textOptions.background.color);
|
|
|
|
|
- }
|
|
|
|
|
- if (textOptions.background.opacity) {
|
|
|
|
|
- span.css("opacity", textOptions.background.opacity);
|
|
|
|
|
- }
|
|
|
|
|
- placeholder.append(span);
|
|
|
|
|
- }
|
|
|
|
|
- span.text(text);
|
|
|
|
|
- // after append, readjust the left position
|
|
|
|
|
- span.css("left", x + "px"); // for redraw, resetting the left position is needed here
|
|
|
|
|
- span.css("left", (parseInt(span.css("left")) - (span.width()/ 2)) + "px");
|
|
|
|
|
-
|
|
|
|
|
- // at last, set angle
|
|
|
|
|
- if (!exists && a) {
|
|
|
|
|
- span.css("top", (parseInt(span.css("top")) - (span.height()/ 2)) + "px");
|
|
|
|
|
- span.css("transform", "rotate(" + ((180 * a) + 90) + "deg)"); // not supported for ie8
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Gauge;
|
|
|
|
|
- })();
|
|
|
|
|
- /**
|
|
|
|
|
- * get a instance of Logger
|
|
|
|
|
- *
|
|
|
|
|
- * @method getLogger
|
|
|
|
|
- * @for flot.gauge
|
|
|
|
|
- * @private
|
|
|
|
|
- * @param {Object} debugOptions the options of debug
|
|
|
|
|
- */
|
|
|
|
|
- function getLogger(debugOptions) {
|
|
|
|
|
- return typeof Logger !== "undefined" ? new Logger(debugOptions) : null;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * calculate the index of columns for the specified data
|
|
|
|
|
- *
|
|
|
|
|
- * @method col
|
|
|
|
|
- * @for flot.gauge
|
|
|
|
|
- * @param {Number} columns the number of columns
|
|
|
|
|
- * @param {Number} i the index of the series
|
|
|
|
|
- * @return the index of columns
|
|
|
|
|
- */
|
|
|
|
|
- function col(columns, i) {
|
|
|
|
|
- return i % columns;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * calculate the index of rows for the specified data
|
|
|
|
|
- *
|
|
|
|
|
- * @method row
|
|
|
|
|
- * @for flot.gauge
|
|
|
|
|
- * @param {Number} columns the number of rows
|
|
|
|
|
- * @param {Number} i the index of the series
|
|
|
|
|
- * @return the index of rows
|
|
|
|
|
- */
|
|
|
|
|
- function row(columns, i) {
|
|
|
|
|
- return Math.floor(i / columns);
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * calculate the angle in radians
|
|
|
|
|
- *
|
|
|
|
|
- * internally, use a number without PI (0 - 2).
|
|
|
|
|
- * so, in this function, multiply PI
|
|
|
|
|
- *
|
|
|
|
|
- * @method toRad
|
|
|
|
|
- * @for flot.gauge
|
|
|
|
|
- * @param {Number} a the number of angle without PI
|
|
|
|
|
- * @return the angle in radians
|
|
|
|
|
- */
|
|
|
|
|
- function toRad(a) {
|
|
|
|
|
- return a * Math.PI;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * draw an arc
|
|
|
|
|
- *
|
|
|
|
|
- * @method drawArc
|
|
|
|
|
- * @for flot.gauge
|
|
|
|
|
- * @param {Object} context the context of canvas
|
|
|
|
|
- * @param {Number} cx the x position of the center
|
|
|
|
|
- * @param {Number} cy the y position of the center
|
|
|
|
|
- * @param {Number} r the radius of an arc
|
|
|
|
|
- * @param {Number} w the width of an arc
|
|
|
|
|
- * @param {Number} rd1 the start angle of an arc in radians
|
|
|
|
|
- * @param {Number} rd2 the end angle of an arc in radians
|
|
|
|
|
- * @param {String} lc the color of a line
|
|
|
|
|
- * @param {Number} lw the widht of a line
|
|
|
|
|
- * @param {String} fc the fill color of an arc
|
|
|
|
|
- */
|
|
|
|
|
- function drawArc(context, cx, cy, r, w, rd1, rd2, lc, lw, fc) {
|
|
|
|
|
- if (rd1 === rd2) {
|
|
|
|
|
- return;
|
|
|
|
|
- }
|
|
|
|
|
- var counterClockwise = false;
|
|
|
|
|
- context.save();
|
|
|
|
|
- context.beginPath();
|
|
|
|
|
- context.arc(cx, cy, r, rd1, rd2, counterClockwise);
|
|
|
|
|
- context.lineTo(cx + (r - w) * Math.cos(rd2),
|
|
|
|
|
- cy + (r - w) * Math.sin(rd2));
|
|
|
|
|
- context.arc(cx, cy, r - w, rd2, rd1, !counterClockwise);
|
|
|
|
|
- context.closePath();
|
|
|
|
|
- if (lw) {
|
|
|
|
|
- context.lineWidth = lw;
|
|
|
|
|
- }
|
|
|
|
|
- if (lc) {
|
|
|
|
|
- context.strokeStyle = lc;
|
|
|
|
|
- context.stroke();
|
|
|
|
|
- }
|
|
|
|
|
- if (fc) {
|
|
|
|
|
- context.fillStyle = fc;
|
|
|
|
|
- context.fill();
|
|
|
|
|
- }
|
|
|
|
|
- context.restore();
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * initialize plugin
|
|
|
|
|
- *
|
|
|
|
|
- * @method init
|
|
|
|
|
- * @for flot.gauge
|
|
|
|
|
- * @private
|
|
|
|
|
- * @param {Object} plot a instance of plot
|
|
|
|
|
- */
|
|
|
|
|
- function init (plot) {
|
|
|
|
|
- // add processOptions hook
|
|
|
|
|
- plot.hooks.processOptions.push(function(plot, options) {
|
|
|
|
|
- var logger = getLogger(options.series.gauges.debug);
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
- // turn 'grid' and 'legend' off
|
|
|
|
|
- if (options.series.gauges.show) {
|
|
|
|
|
- options.grid.show = false;
|
|
|
|
|
- options.legend.show = false;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // sort threshold
|
|
|
|
|
- var thresholds = options.series.gauges.threshold.values;
|
|
|
|
|
-
|
|
|
|
|
- thresholds.sort(function(a, b) {
|
|
|
|
|
- if (a.value < b.value) {
|
|
|
|
|
- return -1;
|
|
|
|
|
- } else if (a.value > b.value) {
|
|
|
|
|
- return 1;
|
|
|
|
|
- } else {
|
|
|
|
|
- return 0;
|
|
|
|
|
- }
|
|
|
|
|
- });
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
- });
|
|
|
|
|
-
|
|
|
|
|
- // add draw hook
|
|
|
|
|
- plot.hooks.draw.push(function(plot, context) {
|
|
|
|
|
- var options = plot.getOptions();
|
|
|
|
|
- var gaugeOptions = options.series.gauges;
|
|
|
|
|
-
|
|
|
|
|
- var logger = getLogger(gaugeOptions.debug);
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
- if (!gaugeOptions.show) {
|
|
|
|
|
- return;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- var series = plot.getData();
|
|
|
|
|
-
|
|
|
|
|
- if (!series || !series.length) {
|
|
|
|
|
- return; // if no series were passed
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- var gauge = new Gauge(plot, context);
|
|
|
|
|
-
|
|
|
|
|
- // calculate layout
|
|
|
|
|
- var layout = gauge.calculateLayout();
|
|
|
|
|
-
|
|
|
|
|
- // debug layout
|
|
|
|
|
- if (gaugeOptions.debug.layout) {
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // draw background
|
|
|
|
|
- gauge.drawBackground(layout)
|
|
|
|
|
-
|
|
|
|
|
- // draw cells (label, gauge, value, threshold)
|
|
|
|
|
- for (var i = 0; i < series.length; i++) {
|
|
|
|
|
- var item = series[i];
|
|
|
|
|
-
|
|
|
|
|
- var gaugeOptionsi = $.extend({}, gaugeOptions, item.gauges);
|
|
|
|
|
- if (item.gauges) {
|
|
|
|
|
- // re-calculate 'auto' values
|
|
|
|
|
- gauge.calculateAutoValues(gaugeOptionsi, layout.cellWidth);
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // calculate cell layout
|
|
|
|
|
- var cellLayout = gauge.calculateCellLayout(gaugeOptionsi, layout, i);
|
|
|
|
|
-
|
|
|
|
|
- // draw cell background
|
|
|
|
|
- gauge.drawCellBackground(gaugeOptionsi, cellLayout)
|
|
|
|
|
- // debug layout
|
|
|
|
|
- if (gaugeOptionsi.debug.layout) {
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- // draw label
|
|
|
|
|
- if (gaugeOptionsi.label.show) {
|
|
|
|
|
- gauge.drawLable(gaugeOptionsi, layout, cellLayout, i, item);
|
|
|
|
|
- }
|
|
|
|
|
- // draw gauge
|
|
|
|
|
- gauge.drawGauge(gaugeOptionsi, layout, cellLayout, item.label, item.data[0][1]);
|
|
|
|
|
- // draw threshold
|
|
|
|
|
- if (gaugeOptionsi.threshold.show) {
|
|
|
|
|
- gauge.drawThreshold(gaugeOptionsi, layout, cellLayout);
|
|
|
|
|
- }
|
|
|
|
|
- if (gaugeOptionsi.threshold.label.show) {
|
|
|
|
|
- gauge.drawThresholdValues(gaugeOptionsi, layout, cellLayout, i)
|
|
|
|
|
- }
|
|
|
|
|
- // draw value
|
|
|
|
|
- if (gaugeOptionsi.value.show) {
|
|
|
|
|
- gauge.drawValue(gaugeOptionsi, layout, cellLayout, i, item);
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
- });
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * [defaults description]
|
|
|
|
|
- *
|
|
|
|
|
- * @property defaults
|
|
|
|
|
- * @type {Object}
|
|
|
|
|
- */
|
|
|
|
|
- var defaults = {
|
|
|
|
|
- series: {
|
|
|
|
|
- gauges: {
|
|
|
|
|
- debug: {
|
|
|
|
|
- log: false,
|
|
|
|
|
- layout: false,
|
|
|
|
|
- alert: false
|
|
|
|
|
- },
|
|
|
|
|
- show: false,
|
|
|
|
|
- layout: {
|
|
|
|
|
- margin: 5,
|
|
|
|
|
- columns: 3,
|
|
|
|
|
- hMargin: 5,
|
|
|
|
|
- vMargin: 5,
|
|
|
|
|
- square: false
|
|
|
|
|
- },
|
|
|
|
|
- frame: {
|
|
|
|
|
- show: true
|
|
|
|
|
- },
|
|
|
|
|
- cell: {
|
|
|
|
|
- background: {
|
|
|
|
|
- color: null
|
|
|
|
|
- },
|
|
|
|
|
- border: {
|
|
|
|
|
- show: true,
|
|
|
|
|
- color: "black",
|
|
|
|
|
- width: 1
|
|
|
|
|
- },
|
|
|
|
|
- margin: 5,
|
|
|
|
|
- vAlign: "middle" // 'top' or 'middle' or 'bottom'
|
|
|
|
|
- },
|
|
|
|
|
- gauge: {
|
|
|
|
|
- width: "auto", // a specified number, or 'auto'
|
|
|
|
|
- startAngle: 0.9, // 0 - 2 factor of the radians
|
|
|
|
|
- endAngle: 2.1, // 0 - 2 factor of the radians
|
|
|
|
|
- min: 0,
|
|
|
|
|
- max: 100,
|
|
|
|
|
- background: {
|
|
|
|
|
- color: "white"
|
|
|
|
|
- },
|
|
|
|
|
- border: {
|
|
|
|
|
- color: "lightgray",
|
|
|
|
|
- width: 2
|
|
|
|
|
- },
|
|
|
|
|
- shadow: {
|
|
|
|
|
- show: true,
|
|
|
|
|
- blur: 5
|
|
|
|
|
- }
|
|
|
|
|
- },
|
|
|
|
|
- label: {
|
|
|
|
|
- show: true,
|
|
|
|
|
- margin: "auto", // a specified number, or 'auto'
|
|
|
|
|
- background: {
|
|
|
|
|
- color: null,
|
|
|
|
|
- opacity: 0
|
|
|
|
|
- },
|
|
|
|
|
- font: {
|
|
|
|
|
- size: "auto", // a specified number, or 'auto'
|
|
|
|
|
- family: "sans-serif"
|
|
|
|
|
- },
|
|
|
|
|
- color: null,
|
|
|
|
|
- formatter: function(label, value) {
|
|
|
|
|
- return label;
|
|
|
|
|
- }
|
|
|
|
|
- },
|
|
|
|
|
- value: {
|
|
|
|
|
- show: true,
|
|
|
|
|
- margin: "auto", // a specified number, or 'auto'
|
|
|
|
|
- background: {
|
|
|
|
|
- color: null,
|
|
|
|
|
- opacity: 0
|
|
|
|
|
- },
|
|
|
|
|
- font: {
|
|
|
|
|
- size: "auto", // a specified number, or 'auto'
|
|
|
|
|
- family: "sans-serif"
|
|
|
|
|
- },
|
|
|
|
|
- color: null,
|
|
|
|
|
- formatter: function(label, value) {
|
|
|
|
|
- return parseInt(value);
|
|
|
|
|
- }
|
|
|
|
|
- },
|
|
|
|
|
- threshold: {
|
|
|
|
|
- show: true,
|
|
|
|
|
- width: "auto", // a specified number, or 'auto'
|
|
|
|
|
- label: {
|
|
|
|
|
- show: true,
|
|
|
|
|
- margin: "auto", // a specified number, or 'auto'
|
|
|
|
|
- background: {
|
|
|
|
|
- color: null,
|
|
|
|
|
- opacity: 0
|
|
|
|
|
- },
|
|
|
|
|
- font: {
|
|
|
|
|
- size: "auto", // a specified number, or 'auto'
|
|
|
|
|
- family: ",sans-serif"
|
|
|
|
|
- },
|
|
|
|
|
- color: null,
|
|
|
|
|
- formatter: function(value) {
|
|
|
|
|
- return value;
|
|
|
|
|
- }
|
|
|
|
|
- },
|
|
|
|
|
- values: [
|
|
|
|
|
- {
|
|
|
|
|
- value: 50,
|
|
|
|
|
- color: "lightgreen"
|
|
|
|
|
- }, {
|
|
|
|
|
- value: 80,
|
|
|
|
|
- color: "yellow"
|
|
|
|
|
- }, {
|
|
|
|
|
- value: 100,
|
|
|
|
|
- color: "red"
|
|
|
|
|
- }
|
|
|
|
|
- ]
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
- };
|
|
|
|
|
-
|
|
|
|
|
- // register the gauge plugin
|
|
|
|
|
- $.plot.plugins.push({
|
|
|
|
|
- init: init,
|
|
|
|
|
- options: defaults,
|
|
|
|
|
- name: "gauge",
|
|
|
|
|
- version: "1.1.0"
|
|
|
|
|
- });
|
|
|
|
|
-
|
|
|
|
|
-})(jQuery);
|
|
|
Carl Bergquist