recharts
Version:
React charts
204 lines (203 loc) • 11.1 kB
JavaScript
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/**
* @fileOverview Axis of radial direction
*/
import React, { PureComponent } from 'react';
import isFunction from 'lodash/isFunction';
import { Layer } from '../container/Layer';
import { Dot } from '../shape/Dot';
import { Polygon } from '../shape/Polygon';
import { Text } from '../component/Text';
import { adaptEventsOfChild } from '../util/types';
import { filterProps } from '../util/ReactUtils';
import { polarToCartesian } from '../util/PolarUtils';
var RADIAN = Math.PI / 180;
var eps = 1e-5;
export var PolarAngleAxis = /*#__PURE__*/function (_PureComponent) {
_inherits(PolarAngleAxis, _PureComponent);
function PolarAngleAxis() {
_classCallCheck(this, PolarAngleAxis);
return _callSuper(this, PolarAngleAxis, arguments);
}
_createClass(PolarAngleAxis, [{
key: "getTickLineCoord",
value:
/**
* Calculate the coordinate of line endpoint
* @param {Object} data The Data if ticks
* @return {Object} (x0, y0): The start point of text,
* (x1, y1): The end point close to text,
* (x2, y2): The end point close to axis
*/
function getTickLineCoord(data) {
var _this$props = this.props,
cx = _this$props.cx,
cy = _this$props.cy,
radius = _this$props.radius,
orientation = _this$props.orientation,
tickSize = _this$props.tickSize;
var tickLineSize = tickSize || 8;
var p1 = polarToCartesian(cx, cy, radius, data.coordinate);
var p2 = polarToCartesian(cx, cy, radius + (orientation === 'inner' ? -1 : 1) * tickLineSize, data.coordinate);
return {
x1: p1.x,
y1: p1.y,
x2: p2.x,
y2: p2.y
};
}
/**
* Get the text-anchor of each tick
* @param {Object} data Data of ticks
* @return {String} text-anchor
*/
}, {
key: "getTickTextAnchor",
value: function getTickTextAnchor(data) {
var orientation = this.props.orientation;
var cos = Math.cos(-data.coordinate * RADIAN);
var textAnchor;
if (cos > eps) {
textAnchor = orientation === 'outer' ? 'start' : 'end';
} else if (cos < -eps) {
textAnchor = orientation === 'outer' ? 'end' : 'start';
} else {
textAnchor = 'middle';
}
return textAnchor;
}
}, {
key: "renderAxisLine",
value: function renderAxisLine() {
var _this$props2 = this.props,
cx = _this$props2.cx,
cy = _this$props2.cy,
radius = _this$props2.radius,
axisLine = _this$props2.axisLine,
axisLineType = _this$props2.axisLineType;
var props = _objectSpread(_objectSpread({}, filterProps(this.props, false)), {}, {
fill: 'none'
}, filterProps(axisLine, false));
if (axisLineType === 'circle') {
return /*#__PURE__*/React.createElement(Dot, _extends({
className: "recharts-polar-angle-axis-line"
}, props, {
cx: cx,
cy: cy,
r: radius
}));
}
var ticks = this.props.ticks;
var points = ticks.map(function (entry) {
return polarToCartesian(cx, cy, radius, entry.coordinate);
});
return /*#__PURE__*/React.createElement(Polygon, _extends({
className: "recharts-polar-angle-axis-line"
}, props, {
points: points
}));
}
}, {
key: "renderTicks",
value: function renderTicks() {
var _this = this;
var _this$props3 = this.props,
ticks = _this$props3.ticks,
tick = _this$props3.tick,
tickLine = _this$props3.tickLine,
tickFormatter = _this$props3.tickFormatter,
stroke = _this$props3.stroke;
var axisProps = filterProps(this.props, false);
var customTickProps = filterProps(tick, false);
var tickLineProps = _objectSpread(_objectSpread({}, axisProps), {}, {
fill: 'none'
}, filterProps(tickLine, false));
var items = ticks.map(function (entry, i) {
var lineCoord = _this.getTickLineCoord(entry);
var textAnchor = _this.getTickTextAnchor(entry);
var tickProps = _objectSpread(_objectSpread(_objectSpread({
textAnchor: textAnchor
}, axisProps), {}, {
stroke: 'none',
fill: stroke
}, customTickProps), {}, {
index: i,
payload: entry,
x: lineCoord.x2,
y: lineCoord.y2
});
return /*#__PURE__*/React.createElement(Layer, _extends({
className: "recharts-polar-angle-axis-tick",
key: "tick-".concat(entry.coordinate)
}, adaptEventsOfChild(_this.props, entry, i)), tickLine && /*#__PURE__*/React.createElement("line", _extends({
className: "recharts-polar-angle-axis-tick-line"
}, tickLineProps, lineCoord)), tick && PolarAngleAxis.renderTickItem(tick, tickProps, tickFormatter ? tickFormatter(entry.value, i) : entry.value));
});
return /*#__PURE__*/React.createElement(Layer, {
className: "recharts-polar-angle-axis-ticks"
}, items);
}
}, {
key: "render",
value: function render() {
var _this$props4 = this.props,
ticks = _this$props4.ticks,
radius = _this$props4.radius,
axisLine = _this$props4.axisLine;
if (radius <= 0 || !ticks || !ticks.length) {
return null;
}
return /*#__PURE__*/React.createElement(Layer, {
className: "recharts-polar-angle-axis"
}, axisLine && this.renderAxisLine(), this.renderTicks());
}
}], [{
key: "renderTickItem",
value: function renderTickItem(option, props, value) {
var tickItem;
if ( /*#__PURE__*/React.isValidElement(option)) {
tickItem = /*#__PURE__*/React.cloneElement(option, props);
} else if (isFunction(option)) {
tickItem = option(props);
} else {
tickItem = /*#__PURE__*/React.createElement(Text, _extends({}, props, {
className: "recharts-polar-angle-axis-tick-value"
}), value);
}
return tickItem;
}
}]);
return PolarAngleAxis;
}(PureComponent);
_defineProperty(PolarAngleAxis, "displayName", 'PolarAngleAxis');
_defineProperty(PolarAngleAxis, "axisType", 'angleAxis');
_defineProperty(PolarAngleAxis, "defaultProps", {
type: 'category',
angleAxisId: 0,
scale: 'auto',
cx: 0,
cy: 0,
orientation: 'outer',
axisLine: true,
tickLine: true,
tickSize: 8,
tick: true,
hide: false,
allowDuplicatedCategory: true
});