202 lines
7.8 KiB
JavaScript
202 lines
7.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.getCartesianPosition = void 0;
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var _DataUtils = require("../util/DataUtils");
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var _chartLayoutContext = require("../context/chartLayoutContext");
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function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
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function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
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function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
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function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
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function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
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/**
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* Calculates the position and alignment for a generic element in a Cartesian coordinate system.
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*
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* @param options - The options including viewBox, position, and offset.
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* @returns The calculated x, y, alignment and size.
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*/
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var getCartesianPosition = options => {
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var {
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viewBox,
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position,
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offset = 0,
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parentViewBox: parentViewBoxFromOptions,
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clamp
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} = options;
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var {
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x,
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y,
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height,
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upperWidth,
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lowerWidth
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} = (0, _chartLayoutContext.cartesianViewBoxToTrapezoid)(viewBox);
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// Funnel.tsx provides a viewBox where `x` is the top-left of the trapezoid shape.
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var upperX = x;
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// The trapezoid is centered, so we can calculate the other corners from the top-left.
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var lowerX = x + (upperWidth - lowerWidth) / 2;
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// middleX is the x-coordinate of the left edge at the vertical midpoint of the trapezoid.
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var middleX = (upperX + lowerX) / 2;
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// The width of the trapezoid at its vertical midpoint.
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var midHeightWidth = (upperWidth + lowerWidth) / 2;
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// The center x-coordinate is constant for the entire height of the trapezoid.
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var centerX = upperX + upperWidth / 2;
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// Define vertical offsets and position inverts based on the value being positive or negative.
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// This allows labels to be positioned correctly for bars with negative height.
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var verticalSign = height >= 0 ? 1 : -1;
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var verticalOffset = verticalSign * offset;
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var verticalEnd = verticalSign > 0 ? 'end' : 'start';
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var verticalStart = verticalSign > 0 ? 'start' : 'end';
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// Define horizontal offsets and position inverts based on the value being positive or negative.
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// This allows labels to be positioned correctly for bars with negative width.
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var horizontalSign = upperWidth >= 0 ? 1 : -1;
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var horizontalOffset = horizontalSign * offset;
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var horizontalEnd = horizontalSign > 0 ? 'end' : 'start';
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var horizontalStart = horizontalSign > 0 ? 'start' : 'end';
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// We assume parentViewBox is generic if provided.
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// The user has asserted that parentViewBox will be CartesianViewBoxRequired if present.
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var parentViewBox = parentViewBoxFromOptions;
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if (position === 'top') {
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var result = {
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x: upperX + upperWidth / 2,
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y: y - verticalOffset,
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horizontalAnchor: 'middle',
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verticalAnchor: verticalEnd
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};
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if (clamp && parentViewBox) {
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result.height = Math.max(y - parentViewBox.y, 0);
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result.width = upperWidth;
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}
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return result;
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}
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if (position === 'bottom') {
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var _result = {
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x: lowerX + lowerWidth / 2,
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y: y + height + verticalOffset,
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horizontalAnchor: 'middle',
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verticalAnchor: verticalStart
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};
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if (clamp && parentViewBox) {
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_result.height = Math.max(parentViewBox.y + parentViewBox.height - (y + height), 0);
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_result.width = lowerWidth;
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}
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return _result;
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}
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if (position === 'left') {
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var _result2 = {
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x: middleX - horizontalOffset,
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y: y + height / 2,
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horizontalAnchor: horizontalEnd,
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verticalAnchor: 'middle'
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};
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if (clamp && parentViewBox) {
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_result2.width = Math.max(_result2.x - parentViewBox.x, 0);
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_result2.height = height;
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}
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return _result2;
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}
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if (position === 'right') {
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var _result3 = {
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x: middleX + midHeightWidth + horizontalOffset,
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y: y + height / 2,
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horizontalAnchor: horizontalStart,
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verticalAnchor: 'middle'
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};
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if (clamp && parentViewBox) {
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_result3.width = Math.max(parentViewBox.x + parentViewBox.width - _result3.x, 0);
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_result3.height = height;
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}
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return _result3;
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}
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var sizeAttrs = clamp && parentViewBox ? {
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width: midHeightWidth,
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height
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} : {};
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if (position === 'insideLeft') {
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return _objectSpread({
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x: middleX + horizontalOffset,
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y: y + height / 2,
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horizontalAnchor: horizontalStart,
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verticalAnchor: 'middle'
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}, sizeAttrs);
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}
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if (position === 'insideRight') {
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return _objectSpread({
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x: middleX + midHeightWidth - horizontalOffset,
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y: y + height / 2,
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horizontalAnchor: horizontalEnd,
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verticalAnchor: 'middle'
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}, sizeAttrs);
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}
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if (position === 'insideTop') {
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return _objectSpread({
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x: upperX + upperWidth / 2,
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y: y + verticalOffset,
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horizontalAnchor: 'middle',
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verticalAnchor: verticalStart
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}, sizeAttrs);
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}
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if (position === 'insideBottom') {
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return _objectSpread({
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x: lowerX + lowerWidth / 2,
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y: y + height - verticalOffset,
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horizontalAnchor: 'middle',
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verticalAnchor: verticalEnd
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}, sizeAttrs);
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}
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if (position === 'insideTopLeft') {
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return _objectSpread({
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x: upperX + horizontalOffset,
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y: y + verticalOffset,
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horizontalAnchor: horizontalStart,
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verticalAnchor: verticalStart
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}, sizeAttrs);
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}
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if (position === 'insideTopRight') {
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return _objectSpread({
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x: upperX + upperWidth - horizontalOffset,
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y: y + verticalOffset,
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horizontalAnchor: horizontalEnd,
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verticalAnchor: verticalStart
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}, sizeAttrs);
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}
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if (position === 'insideBottomLeft') {
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return _objectSpread({
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x: lowerX + horizontalOffset,
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y: y + height - verticalOffset,
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horizontalAnchor: horizontalStart,
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verticalAnchor: verticalEnd
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}, sizeAttrs);
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}
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if (position === 'insideBottomRight') {
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return _objectSpread({
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x: lowerX + lowerWidth - horizontalOffset,
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y: y + height - verticalOffset,
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horizontalAnchor: horizontalEnd,
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verticalAnchor: verticalEnd
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}, sizeAttrs);
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}
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if (!!position && typeof position === 'object' && ((0, _DataUtils.isNumber)(position.x) || (0, _DataUtils.isPercent)(position.x)) && ((0, _DataUtils.isNumber)(position.y) || (0, _DataUtils.isPercent)(position.y))) {
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// TODO: This is not quite right. The width of the trapezoid changes with y.
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// A percentage-based x should be relative to the width at that y.
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// For now, we use the mid-height width as a reasonable approximation.
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return _objectSpread({
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x: x + (0, _DataUtils.getPercentValue)(position.x, midHeightWidth),
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y: y + (0, _DataUtils.getPercentValue)(position.y, height),
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horizontalAnchor: 'end',
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verticalAnchor: 'end'
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}, sizeAttrs);
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}
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return _objectSpread({
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x: centerX,
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y: y + height / 2,
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horizontalAnchor: 'middle',
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verticalAnchor: 'middle'
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}, sizeAttrs);
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};
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exports.getCartesianPosition = getCartesianPosition; |