en/builder/src/echarts3/component/tooltip/TooltipContentManager.js

import * as zrUtil from 'zrender/src/core/util';
import TooltipContent from './TooltipContent'; // var each = zrUtil.each;

/**
 * @alias module:echarts/component/tooltip/TooltipContentManager
 * @constructor
 */

function TooltipContentManager(container, api) {
  /**
   * @private
   */
  this._contents = {
    // Default tooltip content
    main: new TooltipContent(container, api)
  };
}

TooltipContentManager.prototype = {
  constructor: TooltipContentManager,

  /**
   * Update when tooltip is rendered
   */
  update: function () {
    this._each('update');
  },

  /**
   * @param {module:echarts/component/tooltip/TooltipModel}
   * @param {string} [key='main']
   */
  show: function (tooltipModel, key) {
    key = key || 'main';

    this._giveContent(key).show(tooltipModel);
  },

  /**
   * Create content if not exists.
   */
  _giveContent: function (key) {
    return this._contents[key] || (this._contents[key] = new TooltipContent());
  },
  setContent: function (content) {
    this.el.innerHTML = content;
  },
  setEnterable: function (enterable) {
    this._enterable = enterable;
  },
  getSize: function () {
    var el = this.el;
    return [el.clientWidth, el.clientHeight];
  },
  moveTo: function (x, y) {
    var style = this.el.style;
    style.left = x + 'px';
    style.top = y + 'px';
    this._x = x;
    this._y = y;
  },
  hide: function () {
    this.el.style.display = 'none';
    this._show = false;
  },
  // showLater: function ()
  hideLater: function (time) {
    if (this._show && !(this._inContent && this._enterable)) {
      if (time) {
        this._hideDelay = time; // Set show false to avoid invoke hideLater mutiple times

        this._show = false;
        this._hideTimeout = setTimeout(zrUtil.bind(this.hide, this), time);
      } else {
        this.hide();
      }
    }
  },
  _each: function (method, args) {
    zrUtil.each(this._contents, function (content) {
      content[method].apply(content, args);
    });
  }
};
export default TooltipContentManager;