text: /**
   * DevExtreme (viz/tree_map/tooltip.js)
   * Version: 19.2.4
   * Build date: Tue Nov 19 2019
   *
   * Copyright (c) 2012 - 2019 Developer Express Inc. ALL RIGHTS RESERVED
   * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
   */
  "use strict";
  var proto = require("./tree_map.base").prototype,
      expand = require("../core/helpers").expand;
  require("./api");
  expand(proto, "_extendProxyType", function(proto) {
      var that = this;
      proto.showTooltip = function(coords) {
          that._showTooltip(this._id, coords)
      }
  });
  expand(proto, "_onNodesCreated", function() {
      if (this._tooltipIndex >= 0) {
          this._tooltip.hide()
      }
      this._tooltipIndex = -1
  });
  expand(proto, "_onTilingPerformed", function() {
      if (this._tooltipIndex >= 0) {
          this._moveTooltip(this._nodes[this._tooltipIndex])
      }
  });
  
  function getCoords(rect, renderer) {
      var offset = renderer.getRootOffset();
      return [(rect[0] + rect[2]) / 2 + offset.left, (rect[1] + rect[3]) / 2 + offset.top]
  }
  proto._showTooltip = function(index, coords) {
      var that = this,
          tooltip = that._tooltip,
          node = that._nodes[index],
          state = that._tooltipIndex === index || tooltip.show({
              value: node.value,
              valueText: tooltip.formatValue(node.value),
              node: node.proxy
          }, {
              x: 0,
              y: 0,
              offset: 0
          }, {
              node: node.proxy
          });
      if (state) {
          that._moveTooltip(node, coords)
      } else {
          tooltip.hide()
      }
      that._tooltipIndex = state ? index : -1
  };
  proto._moveTooltip = function(node, coords) {
      var xy = coords || node.rect && getCoords(node.rect, this._renderer) || [-1e3, -1e3];
      this._tooltip.move(xy[0], xy[1], 0)
  };
  proto.hideTooltip = function() {
      if (this._tooltipIndex >= 0) {
          this._tooltipIndex = -1;
          this._tooltip.hide()
      }
  };
  require("./tree_map.base").addPlugin(require("../core/tooltip").plugin);
  