choerodon-ui/pro/es/performance-table/ColumnResizeHandler.js

An enterprise-class UI design language and React-based implementation

import _extends from "@babel/runtime/helpers/extends";
import _defineProperty from "@babel/runtime/helpers/defineProperty";
import _objectSpread from "@babel/runtime/helpers/objectSpread2";
import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";

function _createSuper(Derived) {
  function isNativeReflectConstruct() {
    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
    if (Reflect.construct.sham) return false;
    if (typeof Proxy === "function") return true;

    try {
      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
      return true;
    } catch (e) {
      return false;
    }
  }

  return function () {
    var Super = _getPrototypeOf(Derived),
        result;

    if (isNativeReflectConstruct()) {
      var NewTarget = _getPrototypeOf(this).constructor;

      result = Reflect.construct(Super, arguments, NewTarget);
    } else {
      result = Super.apply(this, arguments);
    }

    return _possibleConstructorReturn(this, result);
  };
}

import * as React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import clamp from 'lodash/clamp';
import { DOMMouseMoveTracker } from 'dom-lib';
import { defaultClassPrefix, getUnhandledProps } from './utils';
import TableContext from './TableContext';
import { RESIZE_MIN_WIDTH } from './constants';

var ColumnResizeHandler =
/*#__PURE__*/
function (_React$Component) {
  _inherits(ColumnResizeHandler, _React$Component);

  var _super = _createSuper(ColumnResizeHandler);

  function ColumnResizeHandler(props) {
    var _this;

    _classCallCheck(this, ColumnResizeHandler);

    _this = _super.call(this, props);
    _this.columnWidth = 0;
    _this.cursorDelta = 0;

    _this.onMove = function (deltaX) {
      if (!_this.isKeyDown) {
        return;
      }

      var _this$props = _this.props,
          onColumnResizeMove = _this$props.onColumnResizeMove,
          defaultColumnWidth = _this$props.defaultColumnWidth,
          columnLeft = _this$props.columnLeft,
          columnFixed = _this$props.columnFixed;
      var rtl = _this.context.rtl;
      _this.cursorDelta += deltaX;
      _this.columnWidth = clamp( // @ts-ignore
      defaultColumnWidth + (rtl ? -_this.cursorDelta : _this.cursorDelta), _this.props.minWidth ? Math.max(_this.props.minWidth, RESIZE_MIN_WIDTH) : RESIZE_MIN_WIDTH, 20000);
      onColumnResizeMove === null || onColumnResizeMove === void 0 ? void 0 : onColumnResizeMove(_this.columnWidth, columnLeft, columnFixed);
    };

    _this.onColumnResizeEnd = function () {
      var _this$props$onColumnR, _this$props2, _this$mouseMoveTracke, _this$mouseMoveTracke2;

      _this.isKeyDown = false;
      (_this$props$onColumnR = (_this$props2 = _this.props).onColumnResizeEnd) === null || _this$props$onColumnR === void 0 ? void 0 : _this$props$onColumnR.call(_this$props2, _this.columnWidth, _this.cursorDelta);
      (_this$mouseMoveTracke = _this.mouseMoveTracker) === null || _this$mouseMoveTracke === void 0 ? void 0 : (_this$mouseMoveTracke2 = _this$mouseMoveTracke.releaseMouseMoves) === null || _this$mouseMoveTracke2 === void 0 ? void 0 : _this$mouseMoveTracke2.call(_this$mouseMoveTracke);
      _this.mouseMoveTracker = null;
    };

    _this.onColumnResizeMouseDown = function (event) {
      var _this$props$onColumnR2, _this$props3;

      _this.mouseMoveTracker = _this.getMouseMoveTracker();

      _this.mouseMoveTracker.captureMouseMoves(event);

      _this.isKeyDown = true;
      _this.cursorDelta = 0;
      var client = {
        clientX: event.clientX,
        clientY: event.clientY,
        preventDefault: Function()
      };
      (_this$props$onColumnR2 = (_this$props3 = _this.props).onColumnResizeStart) === null || _this$props$onColumnR2 === void 0 ? void 0 : _this$props$onColumnR2.call(_this$props3, client);
    };

    _this.columnWidth = props.defaultColumnWidth || 0;
    return _this;
  }

  _createClass(ColumnResizeHandler, [{
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      if (this.mouseMoveTracker) {
        this.mouseMoveTracker.releaseMouseMoves();
        this.mouseMoveTracker = null;
      }
    }
  }, {
    key: "getMouseMoveTracker",
    value: function getMouseMoveTracker() {
      return this.mouseMoveTracker || new DOMMouseMoveTracker(this.onMove, this.onColumnResizeEnd, document.body);
    }
  }, {
    key: "render",
    value: function render() {
      var _objectSpread2;

      var _this$props4 = this.props,
          _this$props4$columnLe = _this$props4.columnLeft,
          columnLeft = _this$props4$columnLe === void 0 ? 0 : _this$props4$columnLe,
          classPrefix = _this$props4.classPrefix,
          height = _this$props4.height,
          className = _this$props4.className,
          style = _this$props4.style,
          columnFixed = _this$props4.columnFixed,
          rest = _objectWithoutProperties(_this$props4, ["columnLeft", "classPrefix", "height", "className", "style", "columnFixed"]);

      if (columnFixed === 'right') {
        return null;
      }

      var rtl = this.context.rtl;

      var styles = _objectSpread((_objectSpread2 = {}, _defineProperty(_objectSpread2, rtl ? 'right' : 'left', this.columnWidth + columnLeft - 2), _defineProperty(_objectSpread2, "height", height), _objectSpread2), style);

      var classes = classNames(classPrefix, className);
      var unhandled = getUnhandledProps(ColumnResizeHandler, rest);
      return React.createElement("div", _extends({}, unhandled, {
        className: classes,
        style: styles,
        onMouseDown: this.onColumnResizeMouseDown,
        role: "button",
        tabIndex: -1
      }));
    }
  }]);

  return ColumnResizeHandler;
}(React.Component);

ColumnResizeHandler.contextType = TableContext;
ColumnResizeHandler.propTypes = {
  height: PropTypes.number,
  defaultColumnWidth: PropTypes.number,
  columnLeft: PropTypes.number,
  columnFixed: PropTypes.oneOfType([PropTypes.bool, PropTypes.oneOf(['left', 'right'])]),
  className: PropTypes.string,
  classPrefix: PropTypes.string,
  minWidth: PropTypes.number,
  style: PropTypes.object,
  onColumnResizeStart: PropTypes.func,
  onColumnResizeEnd: PropTypes.func,
  onColumnResizeMove: PropTypes.func
};
ColumnResizeHandler.defaultProps = {
  classPrefix: defaultClassPrefix('performance-table-column-resize-spanner')
};
export default ColumnResizeHandler;
//# sourceMappingURL=ColumnResizeHandler.js.map