en/builder/src/zrender/graphic/mixin/Stateful.js

/**
 * Stateful mixin for graphic object
 */
import States from '../States';

var Stateful = function (opts) {
  if (opts.states) {
    this.initStates(opts.states);
  }
};

Stateful.prototype = {
  initStates: function (states) {
    this._states = new States({
      el: this,
      states: states
    });
  },
  setState: function (name) {
    this._states && this._states.setState(name);
  },
  getState: function () {
    return this._states && this._states.getState();
  },
  transitionState: function (name, done) {
    this._states && this._states.transitionState(name, done);
  }
};
export default Stateful;