forked from qwerty/tupali
449 lines
16 KiB
JavaScript
449 lines
16 KiB
JavaScript
/* *
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*
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* (c) 2020 Torstein Honsi
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*
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* Item series type for Highcharts
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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'use strict';
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import H from '../parts/Globals.js';
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import U from '../parts/Utilities.js';
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var defined = U.defined, extend = U.extend, fireEvent = U.fireEvent, isNumber = U.isNumber, merge = U.merge, objectEach = U.objectEach, pick = U.pick, seriesType = U.seriesType;
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import '../parts/Series.js';
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var piePoint = H.seriesTypes.pie.prototype.pointClass.prototype;
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/**
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* The item series type.
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*
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* @requires module:modules/item-series
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.item
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*
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* @augments Highcharts.seriesTypes.pie
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*/
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seriesType('item',
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// Inherits pie as the most tested non-cartesian series with individual
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// point legend, tooltips etc. Only downside is we need to re-enable
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// marker options.
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'pie',
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/**
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* An item chart is an infographic chart where a number of items are laid
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* out in either a rectangular or circular pattern. It can be used to
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* visualize counts within a group, or for the circular pattern, typically
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* a parliament.
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*
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* The circular layout has much in common with a pie chart. Many of the item
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* series options, like `center`, `size` and data label positioning, are
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* inherited from the pie series and don't apply for rectangular layouts.
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*
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* @sample highcharts/demo/parliament-chart
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* Parliament chart (circular item chart)
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* @sample highcharts/series-item/rectangular
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* Rectangular item chart
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* @sample highcharts/series-item/symbols
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* Infographic with symbols
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*
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* @extends plotOptions.pie
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* @since 7.1.0
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* @product highcharts
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* @excluding borderColor, borderWidth, depth, linecap, shadow,
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* slicedOffset
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* @requires modules/item-series
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* @optionparent plotOptions.item
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*/
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{
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/**
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* In circular view, the end angle of the item layout, in degrees where
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* 0 is up.
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*
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* @sample highcharts/demo/parliament-chart
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* Parliament chart
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* @type {undefined|number}
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*/
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endAngle: void 0,
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/**
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* In circular view, the size of the inner diameter of the circle. Can
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* be a percentage or pixel value. Percentages are relative to the outer
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* perimeter. Pixel values are given as integers.
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*
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* If the `rows` option is set, it overrides the `innerSize` setting.
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*
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* @sample highcharts/demo/parliament-chart
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* Parliament chart
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* @type {string|number}
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*/
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innerSize: '40%',
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/**
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* The padding between the items, given in relative size where the size
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* of the item is 1.
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* @type {number}
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*/
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itemPadding: 0.1,
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/**
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* The layout of the items in rectangular view. Can be either
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* `horizontal` or `vertical`.
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* @sample highcharts/series-item/symbols
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* Horizontal layout
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* @type {string}
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*/
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layout: 'vertical',
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/**
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* @extends plotOptions.series.marker
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*/
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marker: merge(H.defaultOptions.plotOptions.line.marker, {
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radius: null
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}),
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/**
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* The number of rows to display in the rectangular or circular view. If
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* the `innerSize` is set, it will be overridden by the `rows` setting.
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*
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* @sample highcharts/series-item/rows-columns
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* Fixed row count
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* @type {number}
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*/
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rows: void 0,
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crisp: false,
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showInLegend: true,
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/**
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* In circular view, the start angle of the item layout, in degrees
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* where 0 is up.
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*
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* @sample highcharts/demo/parliament-chart
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* Parliament chart
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* @type {undefined|number}
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*/
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startAngle: void 0
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},
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// Prototype members
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{
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markerAttribs: void 0,
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translate: function () {
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if (!this.slots) {
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this.slots = [];
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}
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if (isNumber(this.options.startAngle) &&
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isNumber(this.options.endAngle)) {
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H.seriesTypes.pie.prototype.translate.call(this);
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this.slots = this.getSlots();
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}
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else {
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this.generatePoints();
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fireEvent(this, 'afterTranslate');
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}
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},
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// Get the semi-circular slots
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getSlots: function () {
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var center = this.center, diameter = center[2], innerSize = center[3], row, slots = this.slots, x, y, rowRadius, rowLength, colCount, increment, angle, col, itemSize = 0, rowCount, fullAngle = (this.endAngleRad - this.startAngleRad), itemCount = Number.MAX_VALUE, finalItemCount, rows, testRows, rowsOption = this.options.rows,
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// How many rows (arcs) should be used
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rowFraction = (diameter - innerSize) / diameter;
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// Increase the itemSize until we find the best fit
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while (itemCount > this.total) {
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finalItemCount = itemCount;
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// Reset
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slots.length = 0;
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itemCount = 0;
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// Now rows is the last successful run
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rows = testRows;
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testRows = [];
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itemSize++;
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// Total number of rows (arcs) from the center to the
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// perimeter
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rowCount = diameter / itemSize / 2;
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if (rowsOption) {
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innerSize = ((rowCount - rowsOption) / rowCount) * diameter;
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if (innerSize >= 0) {
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rowCount = rowsOption;
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// If innerSize is negative, we are trying to set too
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// many rows in the rows option, so fall back to
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// treating it as innerSize 0
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}
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else {
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innerSize = 0;
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rowFraction = 1;
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}
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}
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else {
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rowCount = Math.floor(rowCount * rowFraction);
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}
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for (row = rowCount; row > 0; row--) {
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rowRadius = (innerSize + (row / rowCount) *
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(diameter - innerSize - itemSize)) / 2;
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rowLength = fullAngle * rowRadius;
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colCount = Math.ceil(rowLength / itemSize);
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testRows.push({
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rowRadius: rowRadius,
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rowLength: rowLength,
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colCount: colCount
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});
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itemCount += colCount + 1;
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}
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}
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if (!rows) {
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return;
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}
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// We now have more slots than we have total items. Loop over
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// the rows and remove the last slot until the count is correct.
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// For each iteration we sort the last slot by the angle, and
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// remove those with the highest angles.
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var overshoot = finalItemCount - this.total;
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/**
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* @private
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* @param {Highcharts.ItemRowContainerObject} item
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* Wrapped object with angle and row
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* @return {void}
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*/
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function cutOffRow(item) {
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if (overshoot > 0) {
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item.row.colCount--;
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overshoot--;
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}
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}
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while (overshoot > 0) {
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rows
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// Return a simplified representation of the angle of
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// the last slot within each row.
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.map(function (row) {
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return {
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angle: row.colCount / row.rowLength,
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row: row
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};
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})
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// Sort by the angles...
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.sort(function (a, b) {
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return b.angle - a.angle;
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})
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// ...so that we can ignore the items with the lowest
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// angles...
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.slice(0, Math.min(overshoot, Math.ceil(rows.length / 2)))
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// ...and remove the ones with the highest angles
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.forEach(cutOffRow);
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}
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rows.forEach(function (row) {
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var rowRadius = row.rowRadius, colCount = row.colCount;
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increment = colCount ? fullAngle / colCount : 0;
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for (col = 0; col <= colCount; col += 1) {
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angle = this.startAngleRad + col * increment;
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x = center[0] + Math.cos(angle) * rowRadius;
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y = center[1] + Math.sin(angle) * rowRadius;
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slots.push({ x: x, y: y, angle: angle });
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}
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}, this);
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// Sort by angle
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slots.sort(function (a, b) {
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return a.angle - b.angle;
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});
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this.itemSize = itemSize;
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return slots;
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},
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getRows: function () {
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var rows = this.options.rows, cols, ratio;
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// Get the row count that gives the most square cells
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if (!rows) {
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ratio = this.chart.plotWidth / this.chart.plotHeight;
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rows = Math.sqrt(this.total);
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if (ratio > 1) {
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rows = Math.ceil(rows);
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while (rows > 0) {
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cols = this.total / rows;
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if (cols / rows > ratio) {
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break;
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}
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rows--;
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}
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}
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else {
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rows = Math.floor(rows);
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while (rows < this.total) {
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cols = this.total / rows;
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if (cols / rows < ratio) {
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break;
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}
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rows++;
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}
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}
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}
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return rows;
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},
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drawPoints: function () {
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var series = this, options = this.options, renderer = series.chart.renderer, seriesMarkerOptions = options.marker, borderWidth = this.borderWidth, crisp = borderWidth % 2 ? 0.5 : 1, i = 0, rows = this.getRows(), cols = Math.ceil(this.total / rows), cellWidth = this.chart.plotWidth / cols, cellHeight = this.chart.plotHeight / rows, itemSize = this.itemSize || Math.min(cellWidth, cellHeight);
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/*
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this.slots.forEach(slot => {
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this.chart.renderer.circle(slot.x, slot.y, 6)
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.attr({
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fill: 'silver'
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})
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.add(this.group);
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});
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//*/
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this.points.forEach(function (point) {
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var attr, graphics, pointAttr, pointMarkerOptions = point.marker || {}, symbol = (pointMarkerOptions.symbol ||
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seriesMarkerOptions.symbol), r = pick(pointMarkerOptions.radius, seriesMarkerOptions.radius), size = defined(r) ? 2 * r : itemSize, padding = size * options.itemPadding, x, y, width, height;
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point.graphics = graphics = point.graphics || {};
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if (!series.chart.styledMode) {
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pointAttr = series.pointAttribs(point, point.selected && 'select');
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}
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if (!point.isNull && point.visible) {
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if (!point.graphic) {
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point.graphic = renderer.g('point')
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.add(series.group);
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}
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for (var val = 0; val < point.y; val++) {
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// Semi-circle
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if (series.center && series.slots) {
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// Fill up the slots from left to right
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var slot = series.slots.shift();
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x = slot.x - itemSize / 2;
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y = slot.y - itemSize / 2;
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}
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else if (options.layout === 'horizontal') {
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x = cellWidth * (i % cols);
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y = cellHeight * Math.floor(i / cols);
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}
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else {
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x = cellWidth * Math.floor(i / rows);
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y = cellHeight * (i % rows);
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}
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x += padding;
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y += padding;
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width = Math.round(size - 2 * padding);
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height = width;
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if (series.options.crisp) {
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x = Math.round(x) - crisp;
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y = Math.round(y) + crisp;
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}
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attr = {
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x: x,
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y: y,
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width: width,
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height: height
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};
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if (typeof r !== 'undefined') {
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attr.r = r;
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}
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if (graphics[val]) {
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graphics[val].animate(attr);
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}
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else {
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graphics[val] = renderer
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.symbol(symbol, null, null, null, null, {
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backgroundSize: 'within'
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})
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.attr(extend(attr, pointAttr))
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.add(point.graphic);
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}
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graphics[val].isActive = true;
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i++;
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}
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}
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objectEach(graphics, function (graphic, key) {
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if (!graphic.isActive) {
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graphic.destroy();
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delete graphics[key];
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}
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else {
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graphic.isActive = false;
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}
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});
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});
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},
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drawDataLabels: function () {
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if (this.center && this.slots) {
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H.seriesTypes.pie.prototype.drawDataLabels.call(this);
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// else, it's just a dot chart with no natural place to put the
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// data labels
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}
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else {
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this.points.forEach(function (point) {
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point.destroyElements({ dataLabel: 1 });
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});
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}
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},
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// Fade in the whole chart
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animate: function (init) {
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if (init) {
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this.group.attr({
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opacity: 0
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});
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}
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else {
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this.group.animate({
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opacity: 1
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}, this.options.animation);
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}
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}
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},
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// Point class
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{
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connectorShapes: piePoint.connectorShapes,
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getConnectorPath: piePoint.getConnectorPath,
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setVisible: piePoint.setVisible,
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getTranslate: piePoint.getTranslate
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});
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/**
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* An `item` series. If the [type](#series.item.type) option is not specified,
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* it is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.item
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* @excluding dataParser, dataURL, stack, xAxis, yAxis, dataSorting
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* @product highcharts
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* @requires modules/item-series
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* @apioption series.item
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*/
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/**
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* An array of data points for the series. For the `item` series type,
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* points can be given in the following ways:
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*
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* 1. An array of numerical values. In this case, the numerical values will be
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* interpreted as `y` options. Example:
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* ```js
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* data: [0, 5, 3, 5]
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* ```
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*
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* 2. An array of objects with named values. The following snippet shows only a
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* few settings, see the complete options set below. If the total number of
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* data points exceeds the series'
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* [turboThreshold](#series.item.turboThreshold),
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* this option is not available.
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* ```js
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* data: [{
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* y: 1,
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* name: "Point2",
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* color: "#00FF00"
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* }, {
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* y: 7,
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* name: "Point1",
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* color: "#FF00FF"
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* }]
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* ```
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*
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* @sample {highcharts} highcharts/chart/reflow-true/
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* Numerical values
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* @sample {highcharts} highcharts/series/data-array-of-arrays/
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* Arrays of numeric x and y
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* @sample {highcharts} highcharts/series/data-array-of-arrays-datetime/
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* Arrays of datetime x and y
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* @sample {highcharts} highcharts/series/data-array-of-name-value/
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* Arrays of point.name and y
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* @sample {highcharts} highcharts/series/data-array-of-objects/
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* Config objects
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*
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* @type {Array<number|Array<string,(number|null)>|null|*>}
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* @extends series.pie.data
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* @excludes sliced
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* @product highcharts
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* @apioption series.item.data
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*/
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/**
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* The sequential index of the data point in the legend.
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*
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* @type {number}
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* @product highcharts
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* @apioption series.pie.data.legendIndex
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*/
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''; // adds the doclets above to the transpiled file
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