@antv/g6/lib/item/group.js

graph visualization frame work

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; }

/**
 * @fileOverview group item
 * @author huangtonger@aliyun.com
 */

var Util = require('../util/');
var Node = require('./node');

var Group = function (_Node) {
  _inherits(Group, _Node);

  function Group(cfg) {
    _classCallCheck(this, Group);

    var defaultCfg = {
      type: 'group',
      isNode: false,
      isGroup: true,
      zIndex: 1
    };
    Util.mix(defaultCfg, cfg);
    return _possibleConstructorReturn(this, _Node.call(this, defaultCfg));
  }

  Group.prototype._afterDraw = function _afterDraw() {
    var model = this.getModel();
    if (model.collapsed) {
      this.deepEach(function (child) {
        child.hide();
      });
    }
    _Node.prototype._afterDraw.call(this);
  };

  Group.prototype.updatePosition = function updatePosition() {};

  Group.prototype._shouldDraw = function _shouldDraw() {
    return true;
  };

  Group.prototype.getCrossEdges = function getCrossEdges() {
    var allChildrenIds = [];
    var innerEdges = this.getInnerEdges();
    this.deepEach(function (child) {
      allChildrenIds.push(child.id);
    });
    var rst = innerEdges.filter(function (edge) {
      var edgeModel = edge.getModel();
      return allChildrenIds.indexOf(edgeModel.source) === -1 || allChildrenIds.indexOf(edgeModel.target) === -1;
    });
    return Util.uniq(rst);
  };

  Group.prototype.getInnerEdges = function getInnerEdges() {
    var edges = [];
    this.deepEach(function (child) {
      child.getEdges().forEach(function (edge) {
        edges.push(edge);
      });
    });
    return Util.uniq(edges);
  };
  /**
   * get children BBox
   * @return {object} box
   */


  Group.prototype.getChildrenBBox = function getChildrenBBox() {
    var children = this.getChildren();
    var graphicChildren = children.map(function (child) {
      return child.getGraphicGroup();
    });
    return Util.getChildrenBBox(graphicChildren);
  };

  return Group;
}(Node);

module.exports = Group;