@netdata/charts/dist/es6/components/line/legend/index.js

Netdata frontend SDK and chart utilities

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function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
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function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
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 _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; }
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); }
import React, { memo, useRef, useEffect, createElement as _createElement } from "react";
import styled from "styled-components";
import { debounce } from "throttle-debounce";
import { Flex, useNavigationArrows } from "@netdata/netdata-ui";
import navLeft from "@netdata/netdata-ui/dist/components/icon/assets/nav_left.svg";
import navRight from "@netdata/netdata-ui/dist/components/icon/assets/nav_right.svg";
import { useInitialLoading, useEmpty, useDimensionIds, useChart, useAttributeValue } from "../../provider";
import Dimension, { SkeletonDimension, EmptyDimension } from "./dimension";
import { Fragment } from "react";
import Icon from "../../icon";
import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime";
var Container = styled(Flex).attrs(function (props) {
  return _objectSpread({
    gap: 0.5,
    padding: [0, 0, 1],
    alignItems: "center",
    flex: true,
    "data-testid": "chartLegend"
  }, props);
}).withConfig({
  displayName: "legend__Container",
  componentId: "sc-czwham-0"
})(["overflow-x:auto;overflow-x:overlay;overflow-y:hidden;::-webkit-scrollbar{height:6px;}"]);
var getPositions = function getPositions(el) {
  if (!el) return {
    x: 0
  };
  return {
    x: el.scrollLeft
  };
};
var skeletonDimensions = Array.from(Array(5));
var SkeletonDimensions = function SkeletonDimensions() {
  return /*#__PURE__*/_jsx(Fragment, {
    children: skeletonDimensions.map(function (v, index) {
      return /*#__PURE__*/_jsx(SkeletonDimension, {}, index);
    })
  });
};
var Dimensions = /*#__PURE__*/memo(function (_ref) {
  var lastItemRef = _ref.lastItemRef;
  var dimensionIds = useDimensionIds();
  if (!dimensionIds) return null;
  return /*#__PURE__*/_jsx(Fragment, {
    children: dimensionIds.map(function (id, index) {
      return /*#__PURE__*/_createElement(Dimension, _objectSpread(_objectSpread({}, index === dimensionIds.length - 1 && {
        ref: lastItemRef
      }), {}, {
        key: id,
        id: id
      }));
    })
  });
});
var Legend = function Legend(props) {
  var dimensionIds = useDimensionIds();
  var chart = useChart();
  var initialLoading = useInitialLoading();
  var empty = useEmpty();
  var active = useAttributeValue("active");
  var legendRef = useRef(null);
  var lastItemRef = useRef();
  var _useNavigationArrows = useNavigationArrows(legendRef, lastItemRef, dimensionIds.length, true),
    _useNavigationArrows2 = _slicedToArray(_useNavigationArrows, 3),
    arrowLeft = _useNavigationArrows2[0],
    arrowRight = _useNavigationArrows2[1],
    onScroll = _useNavigationArrows2[2];
  useEffect(function () {
    if (legendRef.current && active) {
      legendRef.current.scrollTo({
        left: chart.getAttribute("legendScroll")
      });
    }
  }, [legendRef.current, active]);
  useEffect(function () {
    var scroll = function scroll() {
      var _getPositions = getPositions(legendRef.current),
        x = _getPositions.x;
      chart.updateAttribute("legendScroll", x);
      onScroll();
    };
    scroll();
    var handlers = debounce(300, scroll);
    handlers();
    window.addEventListener("resize", handlers);
    if (!legendRef.current) return;
    legendRef.current.addEventListener("scroll", scroll);
    return function () {
      window.removeEventListener("resize", handlers);
      if (!legendRef.current) return;
      legendRef.current.removeEventListener("scroll", scroll);
    };
  }, [legendRef.current]);
  var scrollLeft = function scrollLeft(e) {
    e.preventDefault();
    var container = legendRef.current;
    container.scrollTo({
      left: container.scrollLeft - 100,
      behavior: "smooth"
    });
  };
  var scrollRight = function scrollRight(e) {
    e.preventDefault();
    var container = legendRef.current;
    container.scrollTo({
      left: container.scrollLeft + 100,
      behavior: "smooth"
    });
  };
  return /*#__PURE__*/_jsxs(Flex, {
    overflow: "hidden",
    position: "relative",
    children: [arrowLeft && /*#__PURE__*/_jsx(Flex, {
      "data-testid": "filterTray-arrowLeft",
      cursor: "pointer",
      onClick: scrollLeft,
      padding: [0, 1],
      height: "100%",
      position: "absolute",
      left: 0,
      background: "mainChartBg",
      alignItems: "center",
      children: /*#__PURE__*/_jsx(Icon, {
        svg: navLeft,
        color: "key",
        size: "8px"
      })
    }), /*#__PURE__*/_jsxs(Container, _objectSpread(_objectSpread({
      ref: legendRef
    }, props), {}, {
      "data-track": chart.track("legend"),
      children: [!initialLoading && !empty && /*#__PURE__*/_jsx(Dimensions, {
        lastItemRef: lastItemRef
      }), initialLoading && /*#__PURE__*/_jsx(SkeletonDimensions, {}), !initialLoading && empty && /*#__PURE__*/_jsx(EmptyDimension, {})]
    })), arrowRight && /*#__PURE__*/_jsx(Flex, {
      "data-testid": "filterTray-arrowRight",
      cursor: "pointer",
      onClick: scrollRight,
      padding: [0, 1],
      height: "100%",
      position: "absolute",
      right: 0,
      background: "mainChartBg",
      alignItems: "center",
      children: /*#__PURE__*/_jsx(Icon, {
        svg: navRight,
        color: "key",
        size: "8px"
      })
    })]
  });
};
export default Legend;