@bigfishtv/cockpit/es/components/tree/TreeDragLayer.js

var _dec, _class, _class2, _temp;

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; }

import PropTypes from 'prop-types';
import React, { Component } from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import { DragLayer } from 'react-dnd';

import { getChildByIdImmutable } from '../../utils/treeUtils';

/**
 * Wrapper for TreeItem being dragged
 */
var TreeDragLayer = (_dec = DragLayer(function (monitor) {
	return {
		item: monitor.getItem(),
		itemType: monitor.getItemType(),
		initialOffset: monitor.getInitialSourceClientOffset(),
		currentOffset: monitor.getSourceClientOffset()
	};
}), _dec(_class = (_temp = _class2 = function (_Component) {
	_inherits(TreeDragLayer, _Component);

	function TreeDragLayer() {
		_classCallCheck(this, TreeDragLayer);

		var _this = _possibleConstructorReturn(this, _Component.call(this));

		_this.state = {
			title: '',
			count: 0
		};
		return _this;
	}

	TreeDragLayer.prototype.componentWillUpdate = function componentWillUpdate(nextProps, nextState) {
		if (!this.props.dragging && nextProps.dragging) {
			var selectedIds = nextProps.selectedIds,
			    InflatedTree = nextProps.InflatedTree;

			var title = '';
			var count = 0;
			if (selectedIds.length == 1) {
				var item = getChildByIdImmutable(selectedIds[0], InflatedTree).toObject();
				title = item.title || item.name;
			} else if (selectedIds.length > 1) {
				var titles = selectedIds.map(function (id) {
					var item = getChildByIdImmutable(id, InflatedTree).toObject();
					return item.title || item.name;
				});
				count = selectedIds.length;
				title = titles.join(', ');
			}
			this.setState({ title: title, count: count });
		}
	};

	TreeDragLayer.prototype.render = function render() {
		var _props = this.props,
		    initialOffset = _props.initialOffset,
		    currentOffset = _props.currentOffset,
		    dragging = _props.dragging;

		if (!dragging || !initialOffset || !currentOffset) return null;
		var title = this.state.title;
		var count = this.state.count;


		var transform = 'translate(' + currentOffset.x + 'px, ' + currentOffset.y + 'px)';
		var styles = { transform: transform, WebkitTransform: transform };

		return React.createElement(
			'div',
			{ className: 'tree-overlay' },
			React.createElement(
				'div',
				{ className: 'tree-node', style: styles },
				React.createElement(
					'div',
					{ className: 'tree-cell' },
					count > 1 && React.createElement(
						'div',
						{ className: 'tree-cell-count' },
						count
					),
					React.createElement(
						'div',
						{ className: 'tree-cell-title' },
						title
					)
				)
			)
		);
	};

	return TreeDragLayer;
}(Component), _class2.propTypes = {
	/** disregard - provided by react-dnd  */
	initialOffset: PropTypes.shape({
		x: PropTypes.number.isRequired,
		y: PropTypes.number.isRequired
	}),
	/** disregard - provided by react-dnd  */
	currentOffset: PropTypes.shape({
		x: PropTypes.number.isRequired,
		y: PropTypes.number.isRequired
	}),
	/** if item is being dragged */
	dragging: PropTypes.bool,
	/** list of ids for selected items */
	selectedIds: PropTypes.array,
	/** immutable tree, list of maps of list of maps etc. */
	InflatedTree: ImmutablePropTypes.listOf(ImmutablePropTypes.map)
}, _temp)) || _class);
export { TreeDragLayer as default };