@annotationhub/react-golden-layout
Version:
A multi-screen javascript Layout manager https://golden-layout.com
174 lines (139 loc) • 8.44 kB
JavaScript
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
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 = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _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(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
import React, { useRef, useState, useEffect } from "react";
import ReactDOM from "react-dom";
import LayoutManager from "../LayoutManager";
/**
* Far from cryptographically secure, but good enough to avoid component naming collisions.
*/
function randomString() {
return Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
}
function translateConfig(config, componentMap) {
if (config.component) {
var componentName = "".concat(config.component.key || config.component.name, "_").concat(randomString());
componentMap[componentName] = config.component;
return _objectSpread({}, config, {
type: "react-component",
component: componentName
});
}
return _objectSpread({}, config, {
content: config.content.map(function (item) {
return translateConfig(item, componentMap);
})
});
}
/**
* Quick and dirty hash function for determining quickly determining config file changes.
* https://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript
*/
function hash(s) {
return s.split('').reduce(function (a, b) {
a = (a << 5) - a + b.charCodeAt(0);
return a & a;
}, 0);
}
export default function ReactLayoutComponent(_ref) {
var config = _ref.config,
htmlAttrs = _ref.htmlAttrs,
onLayoutReady = _ref.onLayoutReady,
_ref$autoresize = _ref.autoresize,
autoresize = _ref$autoresize === void 0 ? false : _ref$autoresize,
_ref$debounceResize = _ref.debounceResize,
debounceResize = _ref$debounceResize === void 0 ? 0 : _ref$debounceResize;
var containerRef = useRef();
var _useState = useState(new Set()),
_useState2 = _slicedToArray(_useState, 2),
panels = _useState2[0],
setPanels = _useState2[1];
var _useState3 = useState(null),
_useState4 = _slicedToArray(_useState3, 2),
layoutManager = _useState4[0],
setLayoutManager = _useState4[1]; // Equality almost never pass when passing in config object. Usually a new object is created.
// This hash is a quick method of detecting actual config changes before heavy recreation of the layout.
// TODO: This may not be optimal or most performant method to check for config changes.
var _useState5 = useState(hash(JSON.stringify(config))),
_useState6 = _slicedToArray(_useState5, 2),
configHash = _useState6[0],
setConfigHash = _useState6[1];
useEffect(function () {
var newHash = hash(JSON.stringify(config));
if (newHash !== configHash) {
setConfigHash(newHash);
}
}, [config]);
useEffect(function () {
var componentMap = {};
var layoutManager = new LayoutManager(translateConfig(config, componentMap), containerRef.current);
setLayoutManager(layoutManager);
setPanels(new Set()); // these callbacks are used by ReactComponentHandler to bind
// the goldenlayout component lifecycle to react
layoutManager.reactContainer = {
componentRender: function componentRender(panel) {
setPanels(function (panels) {
return panels.add(panel);
});
},
componentDestroy: function componentDestroy(panel) {
setPanels(function (panels) {
var newPanels = new Set(panels);
newPanels["delete"](panel);
return newPanels;
});
}
};
for (var component in componentMap) {
layoutManager.registerComponent(component, componentMap[component]);
}
layoutManager.init();
if (onLayoutReady) {
onLayoutReady(layoutManager);
}
return function () {
return layoutManager.destroy();
};
}, [configHash]); // Autoresize
useEffect(function () {
if (!autoresize) {
return;
}
var resizeTimer;
var resize = function resize() {
clearTimeout(resizeTimer);
resizeTimer = setTimeout(function () {
if (layoutManager) {
layoutManager.updateSize();
}
}, debounceResize);
};
window.addEventListener('resize', resize);
return function () {
return window.removeEventListener('resize', resize);
};
}, [autoresize, debounceResize, layoutManager]); // Default to filling parent container.
var _ref2 = htmlAttrs || {},
style = _ref2.style,
restHtmlAttrs = _objectWithoutProperties(_ref2, ["style"]);
style = _objectSpread({
width: '100%',
height: '100%'
}, style || {});
return /*#__PURE__*/React.createElement("div", _extends({
ref: containerRef
}, restHtmlAttrs, {
style: style
}), Array.from(panels).map(function (panel) {
return /*#__PURE__*/ReactDOM.createPortal(panel._getReactComponent(), panel._container.getElement()[0]);
}));
}