@salesforce/design-system-react/module/components/expandable-section/index.js

Salesforce Lightning Design System for React

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/* Copyright (c) 2015-present, salesforce.com, inc. All rights reserved */

/* Licensed under BSD 3-Clause - see LICENSE.txt or git.io/sfdc-license */
// # Expandable Section Component
// Implements the [Expandable Section design pattern](https://www.lightningdesignsystem.com/components/expandable-section/) in React.
import React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import Button from '../button'; // ### Event Helpers
// import KEYS from '../../utilities/key-code';
// import EventUtil from '../../utilities/event';

import { EXPANDABLE_SECTION } from '../../utilities/constants';
import generateId from '../../utilities/generate-id';
var propTypes = {
  /**
   * **Assistive text for accessibility.**
   * * `toggleSection`: Label for the icon that expands / collapses the section
   */
  assistiveText: PropTypes.shape({
    toggleSection: PropTypes.string
  }),

  /**
   * Contents of the section
   */
  children: PropTypes.node,

  /**
   * Class names to be added to the `slds-section` classed node
   */
  className: PropTypes.oneOfType([PropTypes.array, PropTypes.object, PropTypes.string]),

  /**
   * Unique identifier for the expandable section. The id is automatically generated if not provided
   */
  id: PropTypes.string,

  /**
   * Specifies whether the section is expanded or collapsed. If not provided, component will use its own state to manage this itself
   */
  isOpen: PropTypes.bool,

  /**
   * Specifies whether the section can be expanded or collapsed. Defaults to `false`
   */
  nonCollapsible: PropTypes.bool,

  /**
   * Callback for when the section is expanded or collapsed. Passes event object and data object with `isOpen` bool.
   */
  onToggleOpen: PropTypes.func,

  /**
   * The title for the section
   */
  title: PropTypes.string.isRequired
};
var defaultProps = {
  assistiveText: {
    toggleSection: 'Toggle visibility of section'
  },
  nonCollapsible: false
};
/**
 * Toggle visibility of section content with the Expandable Section
 */

var ExpandableSection = /*#__PURE__*/function (_React$Component) {
  _inherits(ExpandableSection, _React$Component);

  var _super = _createSuper(ExpandableSection);

  function ExpandableSection(props) {
    var _this;

    _classCallCheck(this, ExpandableSection);

    _this = _super.call(this, props);

    _defineProperty(_assertThisInitialized(_this), "getId", function () {
      return _this.props.id || _this.generatedId;
    });

    _defineProperty(_assertThisInitialized(_this), "toggleOpen", function (event) {
      if (_this.props.onToggleOpen) {
        _this.props.onToggleOpen(event, {
          isOpen: _this.props.isOpen
        });
      } else {
        _this.setState(function (prevState) {
          return {
            isOpen: !prevState.isOpen
          };
        });
      }
    });

    _this.generatedId = generateId();
    _this.state = {
      isOpen: true
    };
    return _this;
  }

  _createClass(ExpandableSection, [{
    key: "render",
    value: function render() {
      var contentId = "".concat(this.getId(), "-expanded-section-content");
      var isOpen = this.props.isOpen !== undefined ? this.props.isOpen : this.state.isOpen;
      var buttonAriaProps = {
        'aria-controls': contentId,
        'aria-expanded': !!isOpen
      };
      var titleNode = /*#__PURE__*/React.createElement("span", {
        className: classNames('slds-truncate', {
          'slds-p-horizontal_small': !!this.props.nonCollapsible
        }),
        title: this.props.title
      }, this.props.title);
      return /*#__PURE__*/React.createElement("div", {
        className: classNames('slds-section', {
          'slds-is-open': isOpen
        }, this.props.className)
      }, /*#__PURE__*/React.createElement("h3", {
        className: classNames('slds-section__title', {
          'slds-theme_shade': !!this.props.nonCollapsible
        })
      }, !this.props.nonCollapsible ? /*#__PURE__*/React.createElement(Button, _extends({
        assistiveText: {
          icon: this.props.assistiveText.toggleSection
        },
        iconCategory: "utility",
        iconClassName: "slds-section__title-action-icon slds-button__icon_left",
        iconName: "switch",
        onClick: this.toggleOpen,
        className: "slds-section__title-action",
        variant: "base"
      }, buttonAriaProps), titleNode) : titleNode), /*#__PURE__*/React.createElement("div", {
        "aria-hidden": !isOpen,
        className: "slds-section__content",
        id: contentId
      }, this.props.children));
    }
  }]);

  return ExpandableSection;
}(React.Component);

ExpandableSection.displayName = EXPANDABLE_SECTION;
ExpandableSection.propTypes = propTypes;
ExpandableSection.defaultProps = defaultProps;
export default ExpandableSection;
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