Legend.js
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"use strict";
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Legend = void 0;
var _react = _interopRequireWildcard(require("react"));
var _DefaultLegendContent = require("./DefaultLegendContent");
var _DataUtils = require("../util/DataUtils");
var _getUniqPayload = require("../util/payload/getUniqPayload");
var _excluded = ["ref"];
/**
* @fileOverview Legend
*/
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { "default": e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n["default"] = e, t && t.set(e, n), n; }
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; }
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; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
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); }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } } return target; }
function defaultUniqBy(entry) {
return entry.value;
}
function renderContent(content, props) {
if ( /*#__PURE__*/_react["default"].isValidElement(content)) {
return /*#__PURE__*/_react["default"].cloneElement(content, props);
}
if (typeof content === 'function') {
return /*#__PURE__*/_react["default"].createElement(content, props);
}
var ref = props.ref,
otherProps = _objectWithoutProperties(props, _excluded);
return /*#__PURE__*/_react["default"].createElement(_DefaultLegendContent.DefaultLegendContent, otherProps);
}
var EPS = 1;
var Legend = exports.Legend = /*#__PURE__*/function (_PureComponent) {
function Legend() {
var _this;
_classCallCheck(this, Legend);
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this = _callSuper(this, Legend, [].concat(args));
_defineProperty(_this, "lastBoundingBox", {
width: -1,
height: -1
});
return _this;
}
_inherits(Legend, _PureComponent);
return _createClass(Legend, [{
key: "componentDidMount",
value: function componentDidMount() {
this.updateBBox();
}
}, {
key: "componentDidUpdate",
value: function componentDidUpdate() {
this.updateBBox();
}
}, {
key: "getBBox",
value: function getBBox() {
if (this.wrapperNode && this.wrapperNode.getBoundingClientRect) {
var box = this.wrapperNode.getBoundingClientRect();
box.height = this.wrapperNode.offsetHeight;
box.width = this.wrapperNode.offsetWidth;
return box;
}
return null;
}
}, {
key: "updateBBox",
value: function updateBBox() {
var onBBoxUpdate = this.props.onBBoxUpdate;
var box = this.getBBox();
if (box) {
if (Math.abs(box.width - this.lastBoundingBox.width) > EPS || Math.abs(box.height - this.lastBoundingBox.height) > EPS) {
this.lastBoundingBox.width = box.width;
this.lastBoundingBox.height = box.height;
if (onBBoxUpdate) {
onBBoxUpdate(box);
}
}
} else if (this.lastBoundingBox.width !== -1 || this.lastBoundingBox.height !== -1) {
this.lastBoundingBox.width = -1;
this.lastBoundingBox.height = -1;
if (onBBoxUpdate) {
onBBoxUpdate(null);
}
}
}
}, {
key: "getBBoxSnapshot",
value: function getBBoxSnapshot() {
if (this.lastBoundingBox.width >= 0 && this.lastBoundingBox.height >= 0) {
return _objectSpread({}, this.lastBoundingBox);
}
return {
width: 0,
height: 0
};
}
}, {
key: "getDefaultPosition",
value: function getDefaultPosition(style) {
var _this$props = this.props,
layout = _this$props.layout,
align = _this$props.align,
verticalAlign = _this$props.verticalAlign,
margin = _this$props.margin,
chartWidth = _this$props.chartWidth,
chartHeight = _this$props.chartHeight;
var hPos, vPos;
if (!style || (style.left === undefined || style.left === null) && (style.right === undefined || style.right === null)) {
if (align === 'center' && layout === 'vertical') {
var box = this.getBBoxSnapshot();
hPos = {
left: ((chartWidth || 0) - box.width) / 2
};
} else {
hPos = align === 'right' ? {
right: margin && margin.right || 0
} : {
left: margin && margin.left || 0
};
}
}
if (!style || (style.top === undefined || style.top === null) && (style.bottom === undefined || style.bottom === null)) {
if (verticalAlign === 'middle') {
var _box = this.getBBoxSnapshot();
vPos = {
top: ((chartHeight || 0) - _box.height) / 2
};
} else {
vPos = verticalAlign === 'bottom' ? {
bottom: margin && margin.bottom || 0
} : {
top: margin && margin.top || 0
};
}
}
return _objectSpread(_objectSpread({}, hPos), vPos);
}
}, {
key: "render",
value: function render() {
var _this2 = this;
var _this$props2 = this.props,
content = _this$props2.content,
width = _this$props2.width,
height = _this$props2.height,
wrapperStyle = _this$props2.wrapperStyle,
payloadUniqBy = _this$props2.payloadUniqBy,
payload = _this$props2.payload;
var outerStyle = _objectSpread(_objectSpread({
position: 'absolute',
width: width || 'auto',
height: height || 'auto'
}, this.getDefaultPosition(wrapperStyle)), wrapperStyle);
return /*#__PURE__*/_react["default"].createElement("div", {
className: "recharts-legend-wrapper",
style: outerStyle,
ref: function ref(node) {
_this2.wrapperNode = node;
}
}, renderContent(content, _objectSpread(_objectSpread({}, this.props), {}, {
payload: (0, _getUniqPayload.getUniqPayload)(payload, payloadUniqBy, defaultUniqBy)
})));
}
}], [{
key: "getWithHeight",
value: function getWithHeight(item, chartWidth) {
var _this$defaultProps$it = _objectSpread(_objectSpread({}, this.defaultProps), item.props),
layout = _this$defaultProps$it.layout;
if (layout === 'vertical' && (0, _DataUtils.isNumber)(item.props.height)) {
return {
height: item.props.height
};
}
if (layout === 'horizontal') {
return {
width: item.props.width || chartWidth
};
}
return null;
}
}]);
}(_react.PureComponent);
_defineProperty(Legend, "displayName", 'Legend');
_defineProperty(Legend, "defaultProps", {
iconSize: 14,
layout: 'horizontal',
align: 'center',
verticalAlign: 'bottom'
});