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/* *
* Solid angular gauge module
*
* (c) 2010-2019 Torstein Honsi
*
* License: www.highcharts.com/license
*/
/**
* Additional options, depending on the actual symbol drawn.
*
* @interface Highcharts.SymbolOptionsObject
*//**
* Whether to draw rounded edges.
* @name Highcharts.SymbolOptionsObject#rounded
* @type {boolean|undefined}
*/
'use strict';
import H from '../parts/Globals.js';
import '../parts/Utilities.js';
import '../parts/Options.js';
import '../parts-more/GaugeSeries.js';
var pInt = H.pInt,
pick = H.pick,
isNumber = H.isNumber,
wrap = H.wrap,
Renderer = H.Renderer,
colorAxisMethods;
/**
* Symbol definition of an arc with round edges.
*
* @private
* @function Highcharts.Renderer#symbols.arc
*
* @param {number} x
* The X coordinate for the top left position.
*
* @param {number} y
* The Y coordinate for the top left position.
*
* @param {number} w
* The pixel width.
*
* @param {number} h
* The pixel height.
*
* @param {Highcharts.SymbolOptionsObject} [options]
* Additional options, depending on the actual symbol drawn.
*
* @return {Highcharts.SVGPathArray}
* Path of the created arc.
*/
wrap(
Renderer.prototype.symbols,
'arc',
function (proceed, x, y, w, h, options) {
var arc = proceed,
path = arc(x, y, w, h, options);
if (options.rounded) {
var r = options.r || w,
smallR = (r - options.innerR) / 2,
x1 = path[1],
y1 = path[2],
x2 = path[12],
y2 = path[13],
roundStart = ['A', smallR, smallR, 0, 1, 1, x1, y1],
roundEnd = ['A', smallR, smallR, 0, 1, 1, x2, y2];
// Insert rounded edge on end, and remove line.
path.splice.apply(path, [path.length - 1, 0].concat(roundStart));
// Insert rounded edge on end, and remove line.
path.splice.apply(path, [11, 3].concat(roundEnd));
}
return path;
}
);
// These methods are defined in the ColorAxis object, and copied here.
// If we implement an AMD system we should make ColorAxis a dependency.
colorAxisMethods = {
initDataClasses: function (userOptions) {
var chart = this.chart,
dataClasses,
colorCounter = 0,
options = this.options;
this.dataClasses = dataClasses = [];
userOptions.dataClasses.forEach(function (dataClass, i) {
var colors;
dataClass = H.merge(dataClass);
dataClasses.push(dataClass);
if (!dataClass.color) {
if (options.dataClassColor === 'category') {
colors = chart.options.colors;
dataClass.color = colors[colorCounter++];
// loop back to zero
if (colorCounter === colors.length) {
colorCounter = 0;
}
} else {
dataClass.color = H.color(options.minColor).tweenTo(
H.color(options.maxColor),
i / (userOptions.dataClasses.length - 1)
);
}
}
});
},
initStops: function (userOptions) {
this.stops = userOptions.stops || [
[0, this.options.minColor],
[1, this.options.maxColor]
];
this.stops.forEach(function (stop) {
stop.color = H.color(stop[1]);
});
},
// Translate from a value to a color
toColor: function (value, point) {
var pos,
stops = this.stops,
from,
to,
color,
dataClasses = this.dataClasses,
dataClass,
i;
if (dataClasses) {
i = dataClasses.length;
while (i--) {
dataClass = dataClasses[i];
from = dataClass.from;
to = dataClass.to;
if (
(from === undefined || value >= from) &&
(to === undefined || value <= to)
) {
color = dataClass.color;
if (point) {
point.dataClass = i;
}
break;
}
}
} else {
if (this.isLog) {
value = this.val2lin(value);
}
pos = 1 - ((this.max - value) / (this.max - this.min));
i = stops.length;
while (i--) {
if (pos > stops[i][0]) {
break;
}
}
from = stops[i] || stops[i + 1];
to = stops[i + 1] || from;
// The position within the gradient
pos = 1 - (to[0] - pos) / ((to[0] - from[0]) || 1);
color = from.color.tweenTo(
to.color,
pos
);
}
return color;
}
};
/**
* A solid gauge is a circular gauge where the value is indicated by a filled
* arc, and the color of the arc may variate with the value.
*
* @sample highcharts/demo/gauge-solid/
* Solid gauges
*
* @extends plotOptions.gauge
* @excluding dial, pivot, wrap
* @product highcharts
* @optionparent plotOptions.solidgauge
*/
var solidGaugeOptions = {
/**
* Whether the strokes of the solid gauge should be `round` or `square`.
*
* @sample {highcharts} highcharts/demo/gauge-activity/
* Rounded gauge
*
* @type {string}
* @default round
* @since 4.2.2
* @product highcharts
* @validvalue ["square", "round"]
* @apioption plotOptions.solidgauge.linecap
*/
/**
* Allow the gauge to overshoot the end of the perimeter axis by this
* many degrees. Say if the gauge axis goes from 0 to 60, a value of
* 100, or 1000, will show 5 degrees beyond the end of the axis when this
* option is set to 5.
*
* @type {number}
* @default 0
* @since 3.0.10
* @product highcharts
* @apioption plotOptions.solidgauge.overshoot
*/
/**
* Wether to draw rounded edges on the gauge.
*
* @sample {highcharts} highcharts/demo/gauge-activity/
* Activity Gauge
*
* @type {boolean}
* @default false
* @since 5.0.8
* @product highcharts
* @apioption plotOptions.solidgauge.rounded
*/
/**
* The threshold or base level for the gauge.
*
* @sample {highcharts} highcharts/plotoptions/solidgauge-threshold/
* Zero threshold with negative and positive values
*
* @type {number}
* @since 5.0.3
* @product highcharts
* @apioption plotOptions.solidgauge.threshold
*/
/**
* Whether to give each point an individual color.
*/
colorByPoint: true
};
// The solidgauge series type
H.seriesType('solidgauge', 'gauge', solidGaugeOptions, {
drawLegendSymbol: H.LegendSymbolMixin.drawRectangle,
// Extend the translate function to extend the Y axis with the necessary
// decoration (#5895).
translate: function () {
var axis = this.yAxis;
H.extend(axis, colorAxisMethods);
// Prepare data classes
if (!axis.dataClasses && axis.options.dataClasses) {
axis.initDataClasses(axis.options);
}
axis.initStops(axis.options);
// Generate points and inherit data label position
H.seriesTypes.gauge.prototype.translate.call(this);
},
// Draw the points where each point is one needle.
drawPoints: function () {
var series = this,
yAxis = series.yAxis,
center = yAxis.center,
options = series.options,
renderer = series.chart.renderer,
overshoot = options.overshoot,
overshootVal = isNumber(overshoot) ? overshoot / 180 * Math.PI : 0,
thresholdAngleRad;
// Handle the threshold option
if (isNumber(options.threshold)) {
thresholdAngleRad = yAxis.startAngleRad + yAxis.translate(
options.threshold,
null,
null,
null,
true
);
}
this.thresholdAngleRad = pick(thresholdAngleRad, yAxis.startAngleRad);
series.points.forEach(function (point) {
var graphic = point.graphic,
rotation = yAxis.startAngleRad +
yAxis.translate(point.y, null, null, null, true),
radius = (
pInt(
pick(point.options.radius, options.radius, 100)
) * center[2]
) / 200,
innerRadius = (
pInt(
pick(point.options.innerRadius, options.innerRadius, 60)
) * center[2]
) / 200,
shapeArgs,
d,
toColor = yAxis.toColor(point.y, point),
axisMinAngle = Math.min(yAxis.startAngleRad, yAxis.endAngleRad),
axisMaxAngle = Math.max(yAxis.startAngleRad, yAxis.endAngleRad),
minAngle,
maxAngle;
if (toColor === 'none') { // #3708
toColor = point.color || series.color || 'none';
}
if (toColor !== 'none') {
point.color = toColor;
}
// Handle overshoot and clipping to axis max/min
rotation = Math.max(
axisMinAngle - overshootVal,
Math.min(axisMaxAngle + overshootVal, rotation)
);
// Handle the wrap option
if (options.wrap === false) {
rotation = Math.max(
axisMinAngle,
Math.min(axisMaxAngle, rotation)
);
}
minAngle = Math.min(rotation, series.thresholdAngleRad);
maxAngle = Math.max(rotation, series.thresholdAngleRad);
if (maxAngle - minAngle > 2 * Math.PI) {
maxAngle = minAngle + 2 * Math.PI;
}
point.shapeArgs = shapeArgs = {
x: center[0],
y: center[1],
r: radius,
innerR: innerRadius,
start: minAngle,
end: maxAngle,
rounded: options.rounded
};
point.startR = radius; // For PieSeries.animate
if (graphic) {
d = shapeArgs.d;
graphic.animate(H.extend({ fill: toColor }, shapeArgs));
if (d) {
shapeArgs.d = d; // animate alters it
}
} else {
point.graphic = graphic = renderer.arc(shapeArgs)
.attr({
fill: toColor,
'sweep-flag': 0
})
.add(series.group);
if (!series.chart.styledMode) {
if (options.linecap !== 'square') {
graphic.attr({
'stroke-linecap': 'round',
'stroke-linejoin': 'round'
});
}
graphic.attr({
stroke: options.borderColor || 'none',
'stroke-width': options.borderWidth || 0
});
}
}
if (graphic) {
graphic.addClass(point.getClassName(), true);
}
});
},
// Extend the pie slice animation by animating from start angle and up.
animate: function (init) {
if (!init) {
this.startAngleRad = this.thresholdAngleRad;
H.seriesTypes.pie.prototype.animate.call(this, init);
}
}
});
/**
* A `solidgauge` series. If the [type](#series.solidgauge.type) option is not
* specified, it is inherited from [chart.type](#chart.type).
*
*
* @extends series,plotOptions.solidgauge
* @excluding animationLimit, boostThreshold, connectEnds, connectNulls,
* cropThreshold, dashStyle, dataParser, dataURL, dial,
* findNearestPointBy, getExtremesFromAll, marker, negativeColor,
* pointPlacement, pivot, shadow, softThreshold, stack, stacking,
* states, step, threshold, turboThreshold, wrap, zoneAxis, zones
* @product highcharts
* @apioption series.solidgauge
*/
/**
* An array of data points for the series. For the `solidgauge` series
* type, points can be given in the following ways:
*
* 1. An array of numerical values. In this case, the numerical values will be
* interpreted as `y` options. Example:
* ```js
* data: [0, 5, 3, 5]
* ```
*
* 2. An array of objects with named values. The following snippet shows only a
* few settings, see the complete options set below. If the total number of
* data points exceeds the series'
* [turboThreshold](#series.solidgauge.turboThreshold), this option is not
* available.
* ```js
* data: [{
* y: 5,
* name: "Point2",
* color: "#00FF00"
* }, {
* y: 7,
* name: "Point1",
* color: "#FF00FF"
* }]
* ```
*
* The typical gauge only contains a single data value.
*
* @sample {highcharts} highcharts/chart/reflow-true/
* Numerical values
* @sample {highcharts} highcharts/series/data-array-of-objects/
* Config objects
*
* @type {Array<number|null|*>}
* @extends series.gauge.data
* @product highcharts
* @apioption series.solidgauge.data
*/
/**
* The inner radius of an individual point in a solid gauge. Can be given as a
* number (pixels) or percentage string.
*
* @sample {highcharts} highcharts/plotoptions/solidgauge-radius/
* Individual radius and innerRadius
*
* @type {number|string}
* @since 4.1.6
* @product highcharts
* @apioption series.solidgauge.data.innerRadius
*/
/**
* The outer radius of an individual point in a solid gauge. Can be
* given as a number (pixels) or percentage string.
*
* @sample {highcharts} highcharts/plotoptions/solidgauge-radius/
* Individual radius and innerRadius
*
* @type {number|string}
* @since 4.1.6
* @product highcharts
* @apioption series.solidgauge.data.radius
*/