@entando/ddtable/dist/js/DragHandle.js

react components used to render drag and drop tables in Entando projects

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.collect = exports.dragSource = undefined;

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _reactDndHtml5Backend = require('react-dnd-html5-backend');

var _reactDnd = require('react-dnd');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

// Specifies the drag source contract.
var dragSource = exports.dragSource = {
  canDrag: function canDrag() {
    return true;
  },
  isDragging: function isDragging() {
    return true;
  },
  beginDrag: function beginDrag(props, monitor, component) {
    component.onDragBegin(props);
    // Return the data describing the dragged item
    return component.getRowData();
  },
  endDrag: function endDrag(props, monitor, component) {
    component.onDragEnd(props);
  }
};

// Specifies which props to inject into the component
var collect = exports.collect = function collect(connect, monitor) {
  return {
    connectDragSource: connect.dragSource(),
    connectDragPreview: connect.dragPreview(),
    isDragging: monitor.isDragging()
  };
};

var DragHandle = function (_Component) {
  _inherits(DragHandle, _Component);

  function DragHandle(props, context) {
    _classCallCheck(this, DragHandle);

    var _this = _possibleConstructorReturn(this, (DragHandle.__proto__ || Object.getPrototypeOf(DragHandle)).call(this, props));

    if (!context || !context.onDragBegin || !context.onDragEnd || !context.rowData) {
      // eslint-disable-next-line no-console
      console.error('Warning: ' + DragHandle.displayName + ' should only be used inside DDTable.Tr!');
    }
    return _this;
  }

  _createClass(DragHandle, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      // Use empty image as a drag preview so browsers don't draw it
      this.props.connectDragPreview((0, _reactDndHtml5Backend.getEmptyImage)(), {
        // IE fallback: specify that we'd rather screenshot the node
        // when it already knows it's being dragged so we can hide it with CSS.
        captureDraggingState: true
      });
    }
  }, {
    key: 'onDragBegin',
    value: function onDragBegin() {
      this.context.onDragBegin(this.context.rowData);
    }
  }, {
    key: 'onDragEnd',
    value: function onDragEnd() {
      this.context.onDragEnd(this.context.rowData);
    }
  }, {
    key: 'getRowData',
    value: function getRowData() {
      return this.context.rowData;
    }
  }, {
    key: 'render',
    value: function render() {
      var _props = this.props,
          connectDragSource = _props.connectDragSource,
          children = _props.children;

      try {
        return connectDragSource(_react2.default.Children.only(children));
      } catch (e) {
        return connectDragSource(_react2.default.createElement(
          'button',
          null,
          _react2.default.createElement('i', { className: 'fa fa-ellipsis-v' }),
          '\xA0',
          _react2.default.createElement('i', { className: 'fa fa-ellipsis-v' })
        ));
      }
    }
  }]);

  return DragHandle;
}(_react.Component);

DragHandle.displayName = 'DDTable.Handle';

DragHandle.propTypes = {
  connectDragSource: _propTypes2.default.func.isRequired,
  connectDragPreview: _propTypes2.default.func.isRequired,
  children: _propTypes2.default.node
};

DragHandle.defaultProps = {
  children: _react2.default.createElement(
    'button',
    null,
    _react2.default.createElement('i', { className: 'fa fa-ellipsis-v' }),
    '\xA0',
    _react2.default.createElement('i', { className: 'fa fa-ellipsis-v' })
  )
};

DragHandle.contextTypes = {
  onDragBegin: _propTypes2.default.func,
  onDragEnd: _propTypes2.default.func,
  rowData: _propTypes2.default.shape({})
};

exports.default = (0, _reactDnd.DragSource)('DDTable', dragSource, collect)(DragHandle);