@clayui/shared/lib/cjs/PanelResizer.js

ClayShared component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.PanelResizer = PanelResizer;
var _react = _interopRequireDefault(require("react"));
var _Keys = require("./Keys");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); } /**
 * SPDX-FileCopyrightText: © 2023 Liferay, Inc. <https://liferay.com>
 * SPDX-License-Identifier: BSD-3-Clause
 */
const MAIN_MOUSE_BUTTON = 0;
let keyDownCounter = 0;
function PanelResizer(_ref) {
  let {
    onPanelWidthChange,
    panelWidth = 320,
    panelWidthMax,
    panelWidthMin,
    position,
    ...otherProps
  } = _ref;
  const positionLeft = position === 'left';
  const decreasePanelWidth = function () {
    let delta = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
    const width = Math.round(panelWidth - delta);
    if (width > panelWidthMin - 100 && width < panelWidthMin) {
      onPanelWidthChange(panelWidthMin);
    } else if (width > panelWidthMin) {
      onPanelWidthChange(width);
    }
  };
  const increasePanelWidth = function () {
    let delta = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
    const width = Math.round(panelWidth + delta);
    if (width > panelWidthMax && width < panelWidthMax + 100) {
      onPanelWidthChange(panelWidthMax);
    } else if (width < panelWidthMax) {
      onPanelWidthChange(width);
    }
  };
  return /*#__PURE__*/_react.default.createElement("div", _extends({
    "aria-orientation": "vertical",
    "aria-valuemax": panelWidthMax,
    "aria-valuemin": panelWidthMin,
    "aria-valuenow": panelWidth,
    className: "c-horizontal-resizer"
  }, otherProps, {
    onKeyDown: event => {
      const delta = keyDownCounter > 7 ? 10 : 1;
      keyDownCounter++;
      switch (event.key) {
        case _Keys.Keys.Down:
          {
            decreasePanelWidth(delta);
            break;
          }
        case _Keys.Keys.Left:
          {
            if (positionLeft) {
              decreasePanelWidth(delta);
            } else {
              increasePanelWidth(delta);
            }
            break;
          }
        case _Keys.Keys.Right:
          {
            if (positionLeft) {
              increasePanelWidth(delta);
            } else {
              decreasePanelWidth(delta);
            }
            break;
          }
        case _Keys.Keys.Up:
          {
            increasePanelWidth(delta);
            break;
          }
        default:
          {
            break;
          }
      }
    },
    onKeyUp: () => {
      keyDownCounter = 0;
    },
    onPointerDown: event => {
      const startXPos = event.pageX;
      function onResizerMove(event) {
        const delta = Math.abs(event.pageX - startXPos);
        if (event.pageX >= startXPos && positionLeft || event.pageX < startXPos && !positionLeft) {
          increasePanelWidth(delta);
        } else if (event.pageX < startXPos && positionLeft || event.pageX >= startXPos && !positionLeft) {
          decreasePanelWidth(delta);
        }
      }
      function removeResizerEvents() {
        document.removeEventListener('pointermove', onResizerMove);
        document.removeEventListener('pointerup', removeResizerEvents);
      }
      if (event.button === MAIN_MOUSE_BUTTON) {
        document.addEventListener('pointermove', onResizerMove);
        document.addEventListener('pointerup', removeResizerEvents);
      }
    },
    role: "separator",
    tabIndex: 0
  }));
}