@netdata/charts/dist/components/line/popover/header.js

Netdata frontend SDK and chart utilities

"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["default"] = void 0;
var _react = _interopRequireWildcard(require("react"));
var _styledComponents = _interopRequireDefault(require("styled-components"));
var _netdataUi = require("@netdata/netdata-ui");
var _provider = require("../../provider");
var _canvas = require("../../../helpers/canvas");
var _timestamp = _interopRequireDefault(require("./timestamp"));
var _updateEvery = _interopRequireDefault(require("./updateEvery"));
var _jsxRuntime = require("react/jsx-runtime");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
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; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
var contextMaxFontSize = 12;
var contextMinFontSize = 9;
var HeaderContainer = (0, _styledComponents["default"])(_netdataUi.Flex).attrs({
  "data-testid": "chartPopover-header",
  column: true,
  gap: 1,
  width: {
    min: "0px",
    base: "100%"
  }
}).withConfig({
  displayName: "header__HeaderContainer",
  componentId: "sc-13omdh0-0"
})([""]);
var ContextText = (0, _styledComponents["default"])(_netdataUi.TextMicro).attrs({
  "data-testid": "chartPopover-context",
  strong: true
}).withConfig({
  displayName: "header__ContextText",
  componentId: "sc-13omdh0-1"
})(["display:block;min-width:0;width:100%;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:", "px;"], function (_ref) {
  var $fontSize = _ref.$fontSize;
  return $fontSize;
});
var MetaRow = (0, _styledComponents["default"])(_netdataUi.Flex).attrs({
  alignItems: "center",
  justifyContent: "between",
  gap: 3,
  width: {
    min: "0px",
    base: "100%"
  }
}).withConfig({
  displayName: "header__MetaRow",
  componentId: "sc-13omdh0-2"
})([""]);
var TimestampCell = (0, _styledComponents["default"])(_netdataUi.Flex).attrs({
  overflow: "hidden",
  width: {
    min: "0px"
  }
}).withConfig({
  displayName: "header__TimestampCell",
  componentId: "sc-13omdh0-3"
})([""]);
var SourceUnits = (0, _styledComponents["default"])(_netdataUi.TextMicro).attrs({
  color: "textLite",
  "data-testid": "chartPopover-sourceUnits"
}).withConfig({
  displayName: "header__SourceUnits",
  componentId: "sc-13omdh0-4"
})(["flex:0 0 auto;white-space:nowrap;"]);
var getMeasuredFont = function getMeasuredFont(element, fontSize) {
  var style = window.getComputedStyle(element);
  return "".concat(style.fontStyle, " ").concat(style.fontVariant, " ").concat(style.fontWeight, " ").concat(fontSize, "px ").concat(style.fontFamily);
};
var getContextFontSize = function getContextFontSize(element, text) {
  if (!element || !text) return contextMaxFontSize;
  var width = element.getBoundingClientRect().width;
  if (!width) return contextMaxFontSize;
  var textWidth = (0, _canvas.measureTextWidth)(text, getMeasuredFont(element, contextMaxFontSize));
  if (!textWidth || textWidth <= width) return contextMaxFontSize;
  var next = Math.floor(width / textWidth * contextMaxFontSize * 10) / 10;
  return Math.max(contextMinFontSize, Math.min(contextMaxFontSize, next));
};
var useContextFontSize = function useContextFontSize(text) {
  var ref = (0, _react.useRef)();
  var _useState = (0, _react.useState)(contextMaxFontSize),
    _useState2 = _slicedToArray(_useState, 2),
    fontSize = _useState2[0],
    setFontSize = _useState2[1];
  var update = (0, _react.useCallback)(function () {
    var next = getContextFontSize(ref.current, text);
    setFontSize(function (prev) {
      return prev === next ? prev : next;
    });
  }, [text]);
  (0, _react.useLayoutEffect)(update, [update]);
  (0, _react.useEffect)(function () {
    if (!ref.current) return;
    if (typeof ResizeObserver === "undefined") {
      window.addEventListener("resize", update);
      return function () {
        return window.removeEventListener("resize", update);
      };
    }
    var observer = new ResizeObserver(update);
    observer.observe(ref.current);
    return function () {
      return observer.disconnect();
    };
  }, [update]);
  return [ref, fontSize];
};
var Context = function Context() {
  var contextScope = (0, _provider.useAttributeValue)("contextScope");
  var name = (0, _provider.useAttributeValue)("name");
  var context = (0, _react.useMemo)(function () {
    return contextScope && contextScope.length ? contextScope.join(", ") : name || "";
  }, [contextScope, name]);
  var _useContextFontSize = useContextFontSize(context),
    _useContextFontSize2 = _slicedToArray(_useContextFontSize, 2),
    ref = _useContextFontSize2[0],
    fontSize = _useContextFontSize2[1];
  if (!context) return null;
  return /*#__PURE__*/(0, _jsxRuntime.jsx)(ContextText, {
    ref: ref,
    title: context,
    $fontSize: fontSize,
    children: context
  });
};
var Header = function Header(_ref2) {
  var timestamp = _ref2.timestamp;
  var sourceUnits = (0, _provider.useUnitSign)({
    withoutConversion: true,
    "long": true
  });
  return /*#__PURE__*/(0, _jsxRuntime.jsxs)(HeaderContainer, {
    children: [/*#__PURE__*/(0, _jsxRuntime.jsx)(Context, {}), /*#__PURE__*/(0, _jsxRuntime.jsxs)(MetaRow, {
      children: [/*#__PURE__*/(0, _jsxRuntime.jsx)(TimestampCell, {
        children: timestamp && /*#__PURE__*/(0, _jsxRuntime.jsx)(_timestamp["default"], {
          value: timestamp
        })
      }), !!sourceUnits && /*#__PURE__*/(0, _jsxRuntime.jsxs)(SourceUnits, {
        children: ["[", sourceUnits, "]"]
      })]
    }), /*#__PURE__*/(0, _jsxRuntime.jsx)(_updateEvery["default"], {})]
  });
};
var _default = exports["default"] = Header;