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 _assertThisInitialized from "@babel/runtime/helpers/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/inherits";
import _createSuper from "@babel/runtime/helpers/createSuper";
var _excluded = ["columnLeft", "classPrefix", "height", "className", "style", "columnFixed"];
import * as React from 'react';
import ReactDOM from 'react-dom';
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';
import { transformZoomData } from '../_util/DocumentUtils';
var propTypeKeys = ['height', 'defaultColumnWidth', 'columnLeft', 'columnFixed', 'className', 'classPrefix', 'minWidth', 'style', 'onColumnResizeStart', 'onColumnResizeEnd', 'onColumnResizeMove', 'onMouseEnterHandler', 'onMouseLeaveHandler'];

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) {
        _this.dragging = true;
        _this.cursorDelta = 0;
        var eTouch = e.touches[0];
        var clientX = transformZoomData(eTouch.clientX);
        var clientY = transformZoomData(eTouch.clientY);
        var client = {
          clientX: clientX,
          clientY: clientY
        };
        _this.touchX = clientX;
        var onColumnResizeStart = _this.props.onColumnResizeStart;

        if (onColumnResizeStart) {
          onColumnResizeStart(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 = transformZoomData(event.touches[0].clientX);
        _this.deltaX = x - _this.touchX;
        _this.touchX = x;

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

    _this.handleDragStop = function () {
      if (!_this.dragging) return;
      _this.dragging = false;
      var onColumnResizeEnd = _this.props.onColumnResizeEnd;

      if (onColumnResizeEnd) {
        onColumnResizeEnd(_this.columnWidth, _this.cursorDelta);
      }
    };

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

      if (onColumnResizeMove) {
        onColumnResizeMove(_this.columnWidth, columnLeft, columnFixed);
      }
    };

    _this.onColumnResizeEnd = function () {
      _this.isKeyDown = false;
      var onColumnResizeEnd = _this.props.onColumnResizeEnd;

      if (onColumnResizeEnd) {
        onColumnResizeEnd(_this.columnWidth, _this.cursorDelta);
      }

      var _assertThisInitialize = _assertThisInitialized(_this),
          mouseMoveTracker = _assertThisInitialize.mouseMoveTracker;

      if (mouseMoveTracker) {
        if (mouseMoveTracker.releaseMouseMoves) {
          mouseMoveTracker.releaseMouseMoves();
        }

        _this.mouseMoveTracker = null;
      }
    };

    _this.onColumnResizeMouseDown = function (event) {
      _this.mouseMoveTracker = _this.getMouseMoveTracker();

      _this.mouseMoveTracker.captureMouseMoves(event);

      _this.isKeyDown = true;
      _this.cursorDelta = 0;
      var client = {
        clientX: transformZoomData(event.clientX),
        clientY: transformZoomData(event.clientY),
        preventDefault: Function()
      };
      var onColumnResizeStart = _this.props.onColumnResizeStart;

      if (onColumnResizeStart) {
        onColumnResizeStart(client);
      }
    };

    _this.handleShowMouseArea = debounce(function () {
      var _this$props$onMouseEn = _this.props.onMouseEnterHandler,
          onMouseEnterHandler = _this$props$onMouseEn === void 0 ? noop : _this$props$onMouseEn;
      onMouseEnterHandler();
    }, 300);

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

      _this.handleShowMouseArea.cancel();

      onMouseLeaveHandler();
    };

    _this.columnWidth = props.defaultColumnWidth || 0;
    _this.handleRef = /*#__PURE__*/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 handleRef = this.handleRef;
      return handleRef && 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$props2 = this.props,
          _this$props2$columnLe = _this$props2.columnLeft,
          columnLeft = _this$props2$columnLe === void 0 ? 0 : _this$props2$columnLe,
          classPrefix = _this$props2.classPrefix,
          height = _this$props2.height,
          className = _this$props2.className,
          style = _this$props2.style,
          columnFixed = _this$props2.columnFixed,
          rest = _objectWithoutProperties(_this$props2, _excluded);

      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(propTypeKeys, rest);
      return /*#__PURE__*/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.defaultProps = {
  classPrefix: defaultClassPrefix('performance-table-column-resize-spanner')
};
export default ColumnResizeHandler;
//# sourceMappingURL=ColumnResizeHandler.js.map