@procore/core-react/dist/FileSelect/TreeSource/TreeSource.js

React library of Procore Design Guidelines

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var _excluded = ["style", "children"],
  _excluded2 = ["style", "children"],
  _excluded3 = ["sourceId", "title", "icon", "options", "isLoading", "onChange", "onExpand"];
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import React from 'react';
import { areEqual } from 'react-window';
import { Spinner } from '../../Spinner/Spinner';
import { Tree } from '../../Tree/Tree';
import { useResizeObserver } from '../../_hooks/ResizeObserver';
import { useFileSelectContext } from '../FileSelect';
import { StyledFileTreeSpinner } from './TreeSource.styles';
var topPadding = 24;
function noop() {}

/**
 * `innerElementType` and `outerElementType` elements are needed to create top padding.
 * Be aware that because of virtualization, it is not a trivial task.
 * 1. First of all, we pass height to the `Tree` component without padding, it is needed for correct work of keyboard navigation.
 * 2. Then we counterbalance height in outerElementType component (by adding padding to the height).
 * 3. The last step - make padding using the shift of a relatively positioned element.
 */
var innerElementType = /*#__PURE__*/React.memo( /*#__PURE__*/React.forwardRef(function (_ref, ref) {
  var style = _ref.style,
    children = _ref.children,
    props = _objectWithoutProperties(_ref, _excluded);
  return /*#__PURE__*/React.createElement("div", _extends({
    ref: ref,
    style: _objectSpread(_objectSpread({}, style), {}, {
      position: 'relative',
      top: "".concat(topPadding, "px"),
      height: "".concat(parseFloat(style.height) - topPadding, "px")
    })
  }, props), children);
}), areEqual);
var outerElementType = /*#__PURE__*/React.memo( /*#__PURE__*/React.forwardRef(function (_ref2, ref) {
  var style = _ref2.style,
    children = _ref2.children,
    props = _objectWithoutProperties(_ref2, _excluded2);
  return /*#__PURE__*/React.createElement("div", _extends({
    ref: ref,
    style: _objectSpread(_objectSpread({}, style), {}, {
      height: "".concat(parseFloat(style.height) + topPadding, "px")
    })
  }, props), children);
}), areEqual);
export var TreeSource = /*#__PURE__*/React.forwardRef(function (_ref3, ref) {
  var sourceId = _ref3.sourceId,
    title = _ref3.title,
    icon = _ref3.icon,
    options = _ref3.options,
    _ref3$isLoading = _ref3.isLoading,
    isLoading = _ref3$isLoading === void 0 ? false : _ref3$isLoading,
    _ref3$onChange = _ref3.onChange,
    onChange = _ref3$onChange === void 0 ? noop : _ref3$onChange,
    _ref3$onExpand = _ref3.onExpand,
    onExpand = _ref3$onExpand === void 0 ? function () {
      return Promise.resolve();
    } : _ref3$onExpand,
    props = _objectWithoutProperties(_ref3, _excluded3);
  var _useFileSelectContext = useFileSelectContext(),
    maxFileNumber = _useFileSelectContext.maxFileNumber,
    register = _useFileSelectContext.register,
    currentSource = _useFileSelectContext.currentSource,
    onSourceChange = _useFileSelectContext.onChange,
    onResetValue = _useFileSelectContext.onResetValue;
  var _React$useState = React.useState([]),
    _React$useState2 = _slicedToArray(_React$useState, 2),
    value = _React$useState2[0],
    setValue = _React$useState2[1];
  var _React$useState3 = React.useState([]),
    _React$useState4 = _slicedToArray(_React$useState3, 2),
    expandedItems = _React$useState4[0],
    setExpandedNodes = _React$useState4[1];
  React.useEffect(function () {
    onSourceChange(sourceId, value);
  }, [value]);
  React.useEffect(function () {
    var unregister = register(sourceId, {
      title: title,
      icon: icon
    });
    var unsubscribe = onResetValue(function () {
      setValue([]);
    });
    return function () {
      unsubscribe();
      unregister();
    };
  }, []);
  var selectedFiles = React.useMemo(function () {
    return value.map(function (item) {
      return item.id;
    });
  }, [value]);
  var _onChange = function _onChange(files) {
    setValue(files);
    onChange(files);
  };
  var _onExpand = /*#__PURE__*/function () {
    var _ref4 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(node) {
      return _regeneratorRuntime().wrap(function _callee$(_context) {
        while (1) switch (_context.prev = _context.next) {
          case 0:
            _context.next = 2;
            return onExpand(node);
          case 2:
            setExpandedNodes(function (prev) {
              return [].concat(_toConsumableArray(prev), [node.id]);
            });
          case 3:
          case "end":
            return _context.stop();
        }
      }, _callee);
    }));
    return function _onExpand(_x) {
      return _ref4.apply(this, arguments);
    };
  }();
  var _onCollapse = function _onCollapse(node) {
    setExpandedNodes(function (prev) {
      return prev.filter(function (nodeId) {
        return nodeId !== node.id;
      });
    });
  };
  var _React$useState5 = React.useState({
      width: 0,
      height: 0
    }),
    _React$useState6 = _slicedToArray(_React$useState5, 2),
    containerSize = _React$useState6[0],
    setContainerSize = _React$useState6[1];
  var handleContainerResize = React.useCallback(function (entries) {
    if (entries[0]) {
      var _entries$0$target = entries[0].target,
        height = _entries$0$target.clientHeight,
        width = _entries$0$target.clientWidth;
      setContainerSize({
        width: width,
        height: height
      });
    }
  }, [setContainerSize]);
  var setResizeObserverTarget = useResizeObserver(handleContainerResize);
  React.useImperativeHandle(ref, function () {
    return {
      setExpandedNodes: setExpandedNodes,
      setValue: setValue
    };
  });
  if (currentSource !== sourceId) {
    return null;
  }
  return !isLoading ? /*#__PURE__*/React.createElement(Tree, _extends({}, props, {
    ref: function ref(instance) {
      if (instance !== null && instance !== void 0 && instance.rootEl) {
        setResizeObserverTarget(instance.rootEl);
      }
    },
    options: options,
    onSelect: _onChange,
    onExpand: _onExpand,
    onCollapse: _onCollapse,
    expanded: expandedItems,
    selected: selectedFiles,
    selectionLimit: maxFileNumber + value.length,
    visibleHeight: containerSize.height - topPadding,
    innerElementType: innerElementType,
    outerElementType: outerElementType,
    autoExpandParent: false
  })) : /*#__PURE__*/React.createElement(StyledFileTreeSpinner, null, /*#__PURE__*/React.createElement(Spinner, null));
});
//# sourceMappingURL=TreeSource.js.map