carbon-components/es/components/tooltip/tooltip--simple.js

The Carbon Design System is IBM’s open-source design system for products and experiences.

function _typeof(obj) {
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function _classCallCheck(instance, Constructor) {
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function _defineProperties(target, props) {
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function _createClass(Constructor, protoProps, staticProps) {
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  if (staticProps) _defineProperties(Constructor, staticProps);
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function _inherits(subClass, superClass) {
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function _setPrototypeOf(o, p) {
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function _createSuper(Derived) {
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function _possibleConstructorReturn(self, call) {
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  return _assertThisInitialized(self);
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function _assertThisInitialized(self) {
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function _isNativeReflectConstruct() {
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  if (Reflect.construct.sham) return false;
  if (typeof Proxy === "function") return true;

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function _getPrototypeOf(o) {
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}
/**
 * Copyright IBM Corp. 2016, 2018
 *
 * This source code is licensed under the Apache-2.0 license found in the
 * LICENSE file in the root directory of this source tree.
 */


import debounce from 'lodash.debounce';
import settings from '../../globals/js/settings';
import mixin from '../../globals/js/misc/mixin';
import createComponent from '../../globals/js/mixins/create-component';
import initComponentBySearch from '../../globals/js/mixins/init-component-by-search';
import handles from '../../globals/js/mixins/handles';
import eventMatches from '../../globals/js/misc/event-matches';
import on from '../../globals/js/misc/on';

var TooltipSimple = /*#__PURE__*/function (_mixin) {
  _inherits(TooltipSimple, _mixin);

  var _super = _createSuper(TooltipSimple);
  /**
   * Simple Tooltip.
   * @extends CreateComponent
   * @extends InitComponentBySearch
   * @extends Handles
   * @param {HTMLElement} element - The element functioning as a text field.
   */


  /**
   * Simple Tooltip.
   * @extends CreateComponent
   * @extends InitComponentBySearch
   * @extends Handles
   * @param {HTMLElement} element - The element functioning as a text field.
   */
  function TooltipSimple(element, options) {
    var _this;

    _classCallCheck(this, TooltipSimple);

    _this = _super.call(this, element, options);
    _this.tooltipFadeOut = debounce(function () {
      var tooltipTriggerButton = _this.getTooltipTriggerButton();

      if (tooltipTriggerButton) {
        tooltipTriggerButton.classList.remove(_this.options.classTooltipVisible);
      }
    }, 100);

    _this.getTooltipTriggerButton = function () {
      return _this.element.matches(_this.options.selectorTriggerButton) ? _this.element : _this.element.querySelector(_this.options.selectorTriggerButton);
    };

    _this.allowTooltipVisibility = function (_ref) {
      var visible = _ref.visible;

      var tooltipTriggerButton = _this.getTooltipTriggerButton();

      if (!tooltipTriggerButton) {
        return;
      }

      if (visible) {
        tooltipTriggerButton.classList.remove(_this.options.classTooltipHidden);
      } else {
        tooltipTriggerButton.classList.add(_this.options.classTooltipHidden);
      }
    };

    _this.manage(on(_this.element.ownerDocument, 'keydown', function (event) {
      // ESC
      if (event.which === 27) {
        _this.allowTooltipVisibility({
          visible: false
        });

        var tooltipTriggerButton = _this.getTooltipTriggerButton();

        if (tooltipTriggerButton) {
          tooltipTriggerButton.classList.remove(_this.options.classTooltipVisible);
        }
      }
    }));

    _this.manage(on(_this.element, 'mouseenter', function () {
      _this.tooltipFadeOut.cancel();

      _this.allowTooltipVisibility({
        visible: true
      });

      var tooltipTriggerButton = _this.getTooltipTriggerButton();

      if (tooltipTriggerButton) {
        tooltipTriggerButton.classList.add(_this.options.classTooltipVisible);
      }
    }));

    _this.manage(on(_this.element, 'mouseleave', _this.tooltipFadeOut));

    _this.manage(on(_this.element, 'focusin', function (event) {
      if (eventMatches(event, _this.options.selectorTriggerButton)) {
        _this.allowTooltipVisibility({
          visible: true
        });
      }
    }));

    return _this;
  }

  _createClass(TooltipSimple, null, [{
    key: "options",
    get:
    /**
     * The component options.
     *
     * If `options` is specified in the constructor,
     * {@linkcode TooltipSimple.create .create()},
     * or {@linkcode TooltipSimple.init .init()},
     * properties in this object are overridden for the instance being
     * created and how {@linkcode TooltipSimple.init .init()} works.
     * @property {string} selectorInit The CSS selector to find simple tooltip UIs.
     */
    function get() {
      var prefix = settings.prefix;
      return {
        selectorInit: '[data-tooltip-definition],[data-tooltip-icon]',
        selectorTriggerButton: ".".concat(prefix, "--tooltip__trigger.").concat(prefix, "--tooltip--a11y"),
        classTooltipHidden: "".concat(prefix, "--tooltip--hidden"),
        classTooltipVisible: "".concat(prefix, "--tooltip--visible")
      };
    }
    /**
     * The map associating DOM element and simple tooltip UI instance.
     * @type {WeakMap}
     */

  }]);

  TooltipSimple.components = new WeakMap();
  return TooltipSimple;
}(mixin(createComponent, initComponentBySearch, handles));

export { TooltipSimple as default };