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 ReactDOM from 'react-dom';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import clamp from 'lodash/clamp';
import debounce from 'lodash/debounce';
import noop from 'lodash/noop';
import { DOMMouseMoveTracker } from 'dom-lib';
import { defaultClassPrefix, getUnhandledProps } from './utils';
import { addEvent, removeEvent } from './utils/domFns';
import TableContext from './TableContext';
import { RESIZE_MIN_WIDTH } from './constants';
var 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,
  onMouseEnterHandler: PropTypes.func,
  onMouseLeaveHandler: PropTypes.func
};

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.mounted = false;
    _this.deltaX = 0;
    _this.touchX = 0;

    _this.handleDragStart = function (e) {
      if (e.touches) {
        var _this$props$onColumnR, _this$props;

        _this.dragging = true;
        _this.cursorDelta = 0;
        var _e$touches$ = e.touches[0],
            clientX = _e$touches$.clientX,
            clientY = _e$touches$.clientY;
        var client = {
          clientX: clientX,
          clientY: clientY
        };
        _this.touchX = clientX;
        (_this$props$onColumnR = (_this$props = _this.props).onColumnResizeStart) === null || _this$props$onColumnR === void 0 ? void 0 : _this$props$onColumnR.call(_this$props, client);
      }

      var thisNode = _this.findDOMNode();

      var ownerDocument = thisNode.ownerDocument;
      if (e.type === 'touchstart') e.preventDefault();
      if (!_this.mounted) return;
      addEvent(ownerDocument, 'touchmove', _this.handleDrag);
      addEvent(ownerDocument, 'touchend', _this.handleDragStop);
    };

    _this.handleDrag = function (event) {
      if (event.touches) {
        var x = event.touches[0].clientX;
        _this.deltaX = x - _this.touchX;
        _this.touchX = x;

        _this.onMove(_this.deltaX);
      }
    };

    _this.handleDragStop = function () {
      var _this$props$onColumnR2, _this$props2;

      if (!_this.dragging) return;
      _this.dragging = false;
      (_this$props$onColumnR2 = (_this$props2 = _this.props).onColumnResizeEnd) === null || _this$props$onColumnR2 === void 0 ? void 0 : _this$props$onColumnR2.call(_this$props2, _this.columnWidth, _this.cursorDelta);
    };

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

      var _this$props3 = _this.props,
          onColumnResizeMove = _this$props3.onColumnResizeMove,
          defaultColumnWidth = _this$props3.defaultColumnWidth,
          columnLeft = _this$props3.columnLeft,
          columnFixed = _this$props3.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$props$onColumnR3, _this$props4, _this$mouseMoveTracke, _this$mouseMoveTracke2;

      _this.isKeyDown = false;
      (_this$props$onColumnR3 = (_this$props4 = _this.props).onColumnResizeEnd) === null || _this$props$onColumnR3 === void 0 ? void 0 : _this$props$onColumnR3.call(_this$props4, _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$props$onColumnR4, _this$props5;

      _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$props$onColumnR4 = (_this$props5 = _this.props).onColumnResizeStart) === null || _this$props$onColumnR4 === void 0 ? void 0 : _this$props$onColumnR4.call(_this$props5, client);
    };

    _this.showMouseArea = function (e) {
      var _this$props$onMouseEn = _this.props.onMouseEnterHandler,
          onMouseEnterHandler = _this$props$onMouseEn === void 0 ? noop : _this$props$onMouseEn;

      var _getComputedStyle = getComputedStyle(e.target),
          left = _getComputedStyle.left;

      onMouseEnterHandler(parseFloat(left));
    };

    _this.delayShowMouseArea = debounce(_this.showMouseArea, 300);

    _this.handleShowMouseArea = function (e) {
      e.persist();

      _this.delayShowMouseArea(e);
    };

    _this.handleHideMouseArea = function () {
      var _this$props$onMouseLe = _this.props.onMouseLeaveHandler,
          onMouseLeaveHandler = _this$props$onMouseLe === void 0 ? noop : _this$props$onMouseLe;

      _this.delayShowMouseArea.cancel();

      onMouseLeaveHandler();
    };

    _this.columnWidth = props.defaultColumnWidth || 0;
    _this.handleRef = React.createRef();
    return _this;
  }

  _createClass(ColumnResizeHandler, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.mounted = true; // Touch handlers must be added with {passive: false} to be cancelable.

      var thisNode = this.findDOMNode();

      if (thisNode) {
        addEvent(thisNode, 'touchstart', this.handleDragStart, {
          passive: false
        });
      }
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this.mounted = false;

      if (this.mouseMoveTracker) {
        this.mouseMoveTracker.releaseMouseMoves();
        this.mouseMoveTracker = null;
      }

      var thisNode = this.findDOMNode();

      if (thisNode) {
        var ownerDocument = thisNode.ownerDocument;
        removeEvent(ownerDocument, 'touchmove', this.handleDrag);
        removeEvent(ownerDocument, 'touchend', this.handleDragStop);
        removeEvent(thisNode, 'touchstart', this.handleDragStart, {
          passive: false
        });
      }
    } // React Strict Mode compatibility: if `nodeRef` is passed, we will use it instead of trying to find
    // the underlying DOM node ourselves. See the README for more information.

  }, {
    key: "findDOMNode",
    value: function findDOMNode() {
      var _this$handleRef;

      return ((_this$handleRef = this.handleRef) === null || _this$handleRef === void 0 ? void 0 : _this$handleRef.current) || ReactDOM.findDOMNode(this);
    }
  }, {
    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$props6 = this.props,
          _this$props6$columnLe = _this$props6.columnLeft,
          columnLeft = _this$props6$columnLe === void 0 ? 0 : _this$props6$columnLe,
          classPrefix = _this$props6.classPrefix,
          height = _this$props6.height,
          className = _this$props6.className,
          style = _this$props6.style,
          columnFixed = _this$props6.columnFixed,
          rest = _objectWithoutProperties(_this$props6, ["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(propTypes, rest);
      return React.createElement("div", _extends({}, unhandled, {
        ref: this.handleRef,
        className: classes,
        style: styles,
        onMouseDown: this.onColumnResizeMouseDown,
        onTouchEnd: this.handleDragStop,
        onMouseEnter: this.handleShowMouseArea,
        onMouseLeave: this.handleHideMouseArea,
        role: "button",
        tabIndex: -1
      }));
    }
  }], [{
    key: "contextType",
    get: function get() {
      return TableContext;
    }
  }]);

  return ColumnResizeHandler;
}(React.Component);

ColumnResizeHandler.propTypes = propTypes;
ColumnResizeHandler.defaultProps = {
  classPrefix: defaultClassPrefix('performance-table-column-resize-spanner')
};
export default ColumnResizeHandler;
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