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/* *
* Highcharts funnel module
*
* (c) 2010-2019 Torstein Honsi
*
* License: www.highcharts.com/license
*/
/* eslint indent: 0 */
'use strict';
import Highcharts from '../parts/Globals.js';
import '../parts/Utilities.js';
import '../parts/Options.js';
import '../parts/Series.js';
// create shortcuts
var seriesType = Highcharts.seriesType,
seriesTypes = Highcharts.seriesTypes,
noop = Highcharts.noop,
pick = Highcharts.pick;
/**
* @private
* @class
* @name Highcharts.seriesTypes.funnel
*
* @augments Highcharts.Series
*/
seriesType('funnel', 'pie',
/**
* Funnel charts are a type of chart often used to visualize stages in a sales
* project, where the top are the initial stages with the most clients.
* It requires that the modules/funnel.js file is loaded.
*
* @sample highcharts/demo/funnel/
* Funnel demo
*
* @extends plotOptions.pie
* @excluding size
* @product highcharts
* @optionparent plotOptions.funnel
*/
{
/**
* Initial animation is by default disabled for the funnel chart.
*/
animation: false,
/**
* The center of the series. By default, it is centered in the middle
* of the plot area, so it fills the plot area height.
*
* @type {Array<number|string>}
* @default ["50%", "50%"]
* @since 3.0
*/
center: ['50%', '50%'],
/**
* The width of the funnel compared to the width of the plot area,
* or the pixel width if it is a number.
*
* @type {number|string}
* @since 3.0
*/
width: '90%',
/**
* The width of the neck, the lower part of the funnel. A number defines
* pixel width, a percentage string defines a percentage of the plot
* area width.
*
* @sample {highcharts} highcharts/demo/funnel/
* Funnel demo
*
* @type {number|string}
* @since 3.0
*/
neckWidth: '30%',
/**
* The height of the funnel or pyramid. If it is a number it defines
* the pixel height, if it is a percentage string it is the percentage
* of the plot area height.
*
* @sample {highcharts} highcharts/demo/funnel/
* Funnel demo
*
* @type {number|string}
* @since 3.0
*/
height: '100%',
/**
* The height of the neck, the lower part of the funnel. A number defines
* pixel width, a percentage string defines a percentage of the plot
* area height.
*
* @type {number|string}
*/
neckHeight: '25%',
/**
* A reversed funnel has the widest area down. A reversed funnel with
* no neck width and neck height is a pyramid.
*
* @since 3.0.10
*/
reversed: false,
/** @ignore */
size: true, // to avoid adapting to data label size in Pie.drawDataLabels
dataLabels: {
/** @ignore-option */
connectorWidth: 1
},
/**
* Options for the series states.
*/
states: {
/**
* @excluding halo, marker, lineWidth, lineWidthPlus
* @apioption plotOptions.funnel.states.hover
*/
/**
* Options for a selected funnel item.
*
* @excluding halo, marker, lineWidth, lineWidthPlus
*/
select: {
/**
* A specific color for the selected point.
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
*/
color: '#cccccc',
/**
* A specific border color for the selected point.
*
* @type {Highcharts.ColorString}
*/
borderColor: '#000000'
}
}
},
// Properties
{
animate: noop,
// Overrides the pie translate method
translate: function () {
var
// Get positions - either an integer or a percentage string
// must be given
getLength = function (length, relativeTo) {
return (/%$/).test(length) ?
relativeTo * parseInt(length, 10) / 100 :
parseInt(length, 10);
},
sum = 0,
series = this,
chart = series.chart,
options = series.options,
reversed = options.reversed,
ignoreHiddenPoint = options.ignoreHiddenPoint,
plotWidth = chart.plotWidth,
plotHeight = chart.plotHeight,
cumulative = 0, // start at top
center = options.center,
centerX = getLength(center[0], plotWidth),
centerY = getLength(center[1], plotHeight),
width = getLength(options.width, plotWidth),
tempWidth,
getWidthAt,
height = getLength(options.height, plotHeight),
neckWidth = getLength(options.neckWidth, plotWidth),
neckHeight = getLength(options.neckHeight, plotHeight),
neckY = (centerY - height / 2) + height - neckHeight,
data = series.data,
path,
fraction,
half = options.dataLabels.position === 'left' ? 1 : 0,
x1,
y1,
x2,
x3,
y3,
x4,
y5;
// Return the width at a specific y coordinate
series.getWidthAt = getWidthAt = function (y) {
var top = (centerY - height / 2);
return (y > neckY || height === neckHeight) ?
neckWidth :
neckWidth + (width - neckWidth) *
(1 - (y - top) / (height - neckHeight));
};
series.getX = function (y, half, point) {
return centerX + (half ? -1 : 1) *
((getWidthAt(reversed ? 2 * centerY - y : y) / 2) +
point.labelDistance);
};
// Expose
series.center = [centerX, centerY, height];
series.centerX = centerX;
/*
Individual point coordinate naming:
x1,y1 _________________ x2,y1
\ /
\ /
\ /
\ /
\ /
x3,y3 _________ x4,y3
Additional for the base of the neck:
| |
| |
| |
x3,y5 _________ x4,y5
*/
// get the total sum
data.forEach(function (point) {
if (!ignoreHiddenPoint || point.visible !== false) {
sum += point.y;
}
});
data.forEach(function (point) {
// set start and end positions
y5 = null;
fraction = sum ? point.y / sum : 0;
y1 = centerY - height / 2 + cumulative * height;
y3 = y1 + fraction * height;
tempWidth = getWidthAt(y1);
x1 = centerX - tempWidth / 2;
x2 = x1 + tempWidth;
tempWidth = getWidthAt(y3);
x3 = centerX - tempWidth / 2;
x4 = x3 + tempWidth;
// the entire point is within the neck
if (y1 > neckY) {
x1 = x3 = centerX - neckWidth / 2;
x2 = x4 = centerX + neckWidth / 2;
// the base of the neck
} else if (y3 > neckY) {
y5 = y3;
tempWidth = getWidthAt(neckY);
x3 = centerX - tempWidth / 2;
x4 = x3 + tempWidth;
y3 = neckY;
}
if (reversed) {
y1 = 2 * centerY - y1;
y3 = 2 * centerY - y3;
if (y5 !== null) {
y5 = 2 * centerY - y5;
}
}
// save the path
path = [
'M',
x1, y1,
'L',
x2, y1,
x4, y3
];
if (y5 !== null) {
path.push(x4, y5, x3, y5);
}
path.push(x3, y3, 'Z');
// prepare for using shared dr
point.shapeType = 'path';
point.shapeArgs = { d: path };
// for tooltips and data labels
point.percentage = fraction * 100;
point.plotX = centerX;
point.plotY = (y1 + (y5 || y3)) / 2;
// Placement of tooltips and data labels
point.tooltipPos = [
centerX,
point.plotY
];
point.dlBox = {
x: x3,
y: y1,
topWidth: x2 - x1,
bottomWidth: x4 - x3,
height: Math.abs(pick(y3, y5) - y1)
};
// Slice is a noop on funnel points
point.slice = noop;
// Mimicking pie data label placement logic
point.half = half;
if (!ignoreHiddenPoint || point.visible !== false) {
cumulative += fraction;
}
});
},
// Funnel items don't have angles (#2289)
sortByAngle: function (points) {
points.sort(function (a, b) {
return a.plotY - b.plotY;
});
},
// Extend the pie data label method
drawDataLabels: function () {
var series = this,
data = series.data,
labelDistance = series.options.dataLabels.distance,
leftSide,
sign,
point,
i = data.length,
x,
y;
// In the original pie label anticollision logic, the slots are
// distributed from one labelDistance above to one labelDistance below
// the pie. In funnels we don't want this.
series.center[2] -= 2 * labelDistance;
// Set the label position array for each point.
while (i--) {
point = data[i];
leftSide = point.half;
sign = leftSide ? 1 : -1;
y = point.plotY;
point.labelDistance = pick(
point.options.dataLabels && point.options.dataLabels.distance,
labelDistance
);
series.maxLabelDistance = Math.max(
point.labelDistance,
series.maxLabelDistance || 0
);
x = series.getX(y, leftSide, point);
// set the anchor point for data labels
point.labelPosition = {
// initial position of the data label - it's utilized for
// finding the final position for the label
natural: {
x: 0,
y: y
},
'final': {
// used for generating connector path -
// initialized later in drawDataLabels function
// x: undefined,
// y: undefined
},
// left - funnel on the left side of the data label
// right - funnel on the right side of the data label
alignment: leftSide ? 'right' : 'left',
connectorPosition: {
breakAt: { // used in connectorShapes.fixedOffset
x: x + (point.labelDistance - 5) * sign,
y: y
},
touchingSliceAt: {
x: x + point.labelDistance * sign,
y: y
}
}
};
}
seriesTypes[series.options.dataLabels.inside ? 'column' : 'pie']
.prototype.drawDataLabels.call(this);
},
alignDataLabel: function (
point,
dataLabel,
options,
alignTo,
isNew
) {
var series = point.series,
reversed = series.options.reversed,
dlBox = point.dlBox || point.shapeArgs,
align = options.align,
verticalAlign = options.verticalAlign,
centerY = series.center[1],
pointPlotY = reversed ? 2 * centerY - point.plotY : point.plotY,
widthAtLabel = series.getWidthAt(
pointPlotY - dlBox.height / 2 + dataLabel.height
),
offset = verticalAlign === 'middle' ?
(dlBox.topWidth - dlBox.bottomWidth) / 4 :
(widthAtLabel - dlBox.bottomWidth) / 2,
y = dlBox.y,
x = dlBox.x;
if (verticalAlign === 'middle') {
y = dlBox.y - dlBox.height / 2 + dataLabel.height / 2;
} else if (verticalAlign === 'top') {
y = dlBox.y - dlBox.height + dataLabel.height +
options.padding;
}
if (
verticalAlign === 'top' && !reversed ||
verticalAlign === 'bottom' && reversed ||
verticalAlign === 'middle'
) {
if (align === 'right') {
x = dlBox.x - options.padding + offset;
} else if (align === 'left') {
x = dlBox.x + options.padding - offset;
}
}
alignTo = {
x: x,
y: reversed ? y - dlBox.height : y,
width: dlBox.bottomWidth,
height: dlBox.height
};
options.verticalAlign = 'bottom';
// Call the parent method
Highcharts.Series.prototype.alignDataLabel.call(
this,
point,
dataLabel,
options,
alignTo,
isNew
);
// If label was justified and we have contrast, set it:
if (point.isLabelJustified && point.contrastColor) {
dataLabel.css({
color: point.contrastColor
});
}
}
});
/**
* A `funnel` series. If the [type](#series.funnel.type) option is
* not specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.funnel
* @excluding dataParser, dataURL, stack, xAxis, yAxis
* @product highcharts
* @apioption series.funnel
*/
/**
* An array of data points for the series. For the `funnel` 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.funnel.turboThreshold),
* this option is not available.
*
* ```js
* data: [{
* y: 3,
* name: "Point2",
* color: "#00FF00"
* }, {
* y: 1,
* name: "Point1",
* color: "#FF00FF"
* }]
* ```
*
* @sample {highcharts} highcharts/chart/reflow-true/
* Numerical values
* @sample {highcharts} highcharts/series/data-array-of-arrays/
* Arrays of numeric x and y
* @sample {highcharts} highcharts/series/data-array-of-arrays-datetime/
* Arrays of datetime x and y
* @sample {highcharts} highcharts/series/data-array-of-name-value/
* Arrays of point.name and y
* @sample {highcharts} highcharts/series/data-array-of-objects/
* Config objects
*
* @type {Array<number|null|*>}
* @extends series.pie.data
* @excluding sliced
* @product highcharts
* @apioption series.funnel.data
*/
/**
* Pyramid series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.pyramid
*
* @augments Highcharts.Series
*/
seriesType('pyramid', 'funnel',
/**
* A pyramid series is a special type of funnel, without neck and reversed by
* default. Requires the funnel module.
*
* @sample highcharts/demo/pyramid/
* Pyramid chart
*
* @extends plotOptions.funnel
* @product highcharts
* @optionparent plotOptions.pyramid
*/
{
/**
* The pyramid neck width is zero by default, as opposed to the funnel,
* which shares the same layout logic.
*
* @since 3.0.10
*/
neckWidth: '0%',
/**
* The pyramid neck width is zero by default, as opposed to the funnel,
* which shares the same layout logic.
*
* @since 3.0.10
*/
neckHeight: '0%',
/**
* The pyramid is reversed by default, as opposed to the funnel, which
* shares the layout engine, and is not reversed.
*
* @since 3.0.10
*/
reversed: true
});
/**
* A `pyramid` series. If the [type](#series.pyramid.type) option is
* not specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.pyramid
* @excluding dataParser, dataURL, stack, xAxis, yAxis
* @product highcharts
* @apioption series.pyramid
*/
/**
* An array of data points for the series. For the `pyramid` 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.pyramid.turboThreshold), this option is not
* available.
* ```js
* data: [{
* y: 9,
* name: "Point2",
* color: "#00FF00"
* }, {
* y: 6,
* name: "Point1",
* color: "#FF00FF"
* }]
* ```
*
* @sample {highcharts} highcharts/chart/reflow-true/
* Numerical values
* @sample {highcharts} highcharts/series/data-array-of-objects/
* Config objects
*
* @type {Array<number|null|*>}
* @extends series.pie.data
* @excluding sliced
* @product highcharts
* @apioption series.pyramid.data
*/