@wordpress/components/build-module/dropdown-menu/index.native.js

UI components for WordPress.

import _extends from "@babel/runtime/helpers/esm/extends";
import { createElement } from "@wordpress/element";

/**
 * External dependencies
 */
import classnames from 'classnames';
import { flatMap, isEmpty, isFunction } from 'lodash';
import { Platform } from 'react-native';
/**
 * WordPress dependencies
 */

import { DOWN } from '@wordpress/keycodes';
import deprecated from '@wordpress/deprecated';
import { BottomSheet, PanelBody } from '@wordpress/components';
import { withPreferredColorScheme } from '@wordpress/compose';
import { menu } from '@wordpress/icons';
/**
 * Internal dependencies
 */

import Button from '../button';
import Dropdown from '../dropdown';

function mergeProps(defaultProps = {}, props = {}) {
  const mergedProps = { ...defaultProps,
    ...props
  };

  if (props.className && defaultProps.className) {
    mergedProps.className = classnames(props.className, defaultProps.className);
  }

  return mergedProps;
}

function DropdownMenu({
  children,
  className,
  controls,
  icon = menu,
  label,
  popoverProps,
  toggleProps,
  // The following props exist for backward compatibility.
  menuLabel,
  position
}) {
  if (menuLabel) {
    deprecated('`menuLabel` prop in `DropdownComponent`', {
      alternative: '`menuProps` object and its `aria-label` property',
      plugin: 'Gutenberg'
    });
  }

  if (position) {
    deprecated('`position` prop in `DropdownComponent`', {
      alternative: '`popoverProps` object and its `position` property',
      plugin: 'Gutenberg'
    });
  }

  if (isEmpty(controls) && !isFunction(children)) {
    return null;
  } // Normalize controls to nested array of objects (sets of controls)


  let controlSets;

  if (!isEmpty(controls)) {
    controlSets = controls;

    if (!Array.isArray(controlSets[0])) {
      controlSets = [controlSets];
    }
  }

  const mergedPopoverProps = mergeProps({
    className: 'components-dropdown-menu__popover',
    position
  }, popoverProps);
  return createElement(Dropdown, {
    className: classnames('components-dropdown-menu', className),
    popoverProps: mergedPopoverProps,
    renderToggle: ({
      isOpen,
      onToggle
    }) => {
      const openOnArrowDown = event => {
        if (!isOpen && event.keyCode === DOWN) {
          event.preventDefault();
          event.stopPropagation();
          onToggle();
        }
      };

      const mergedToggleProps = mergeProps({
        className: classnames('components-dropdown-menu__toggle', {
          'is-opened': isOpen
        })
      }, toggleProps);
      return createElement(Button, _extends({}, mergedToggleProps, {
        icon: icon,
        onClick: event => {
          onToggle(event);

          if (mergedToggleProps.onClick) {
            mergedToggleProps.onClick(event);
          }
        },
        onKeyDown: event => {
          openOnArrowDown(event);

          if (mergedToggleProps.onKeyDown) {
            mergedToggleProps.onKeyDown(event);
          }
        },
        "aria-haspopup": "true",
        "aria-expanded": isOpen,
        label: label,
        showTooltip: true
      }), mergedToggleProps.children);
    },
    renderContent: ({
      isOpen,
      onClose,
      ...props
    }) => {
      return createElement(BottomSheet, {
        hideHeader: true,
        isVisible: isOpen,
        onClose: onClose
      }, isFunction(children) ? children(props) : null, createElement(PanelBody, {
        title: label,
        style: {
          paddingLeft: 0,
          paddingRight: 0
        }
      }, flatMap(controlSets, (controlSet, indexOfSet) => controlSet.map((control, indexOfControl) => createElement(BottomSheet.Cell, {
        key: [indexOfSet, indexOfControl].join(),
        label: control.title,
        onPress: () => {
          onClose();

          if (control.onClick) {
            control.onClick();
          }
        },
        editable: false,
        icon: control.icon,
        leftAlign: true,
        isSelected: control.isActive,
        separatorType: Platform.OS === 'android' ? 'none' : 'leftMargin'
      })))));
    }
  });
}

export default withPreferredColorScheme(DropdownMenu);
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