superset-frontend/src/dashboard/components/menu/PopoverDropdown.tsx

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import React from 'react';
import cx from 'classnames';
import { styled, withTheme, SupersetThemeProps } from '@superset-ui/core';
import { Dropdown, Menu } from 'src/common/components';
import Icon from 'src/components/Icon';

export interface OptionProps {
  value: string;
  label: string;
  className?: string;
}

export type OnChangeHandler = (key: React.Key) => void;
export type RenderElementHandler = (option: OptionProps) => JSX.Element;

interface PopoverDropdownProps {
  id: string;
  options: OptionProps[];
  onChange: OnChangeHandler;
  value: string;
  theme: SupersetThemeProps['theme'];
  renderButton: RenderElementHandler;
  renderOption: RenderElementHandler;
}

const MenuItem = styled(Menu.Item)`
  &.ant-menu-item {
    height: auto;
    line-height: 1.4;

    padding-top: ${({ theme }) => theme.gridUnit}px;
    padding-bottom: ${({ theme }) => theme.gridUnit}px;

    margin-top: 0;
    margin-bottom: 0;

    &:not(:last-child) {
      margin-bottom: 0;
    }

    &:hover {
      background: ${({ theme }) => theme.colors.grayscale.light3};
    }

    &.active {
      font-weight: ${({ theme }) => theme.typography.weights.bold};
      background: ${({ theme }) => theme.colors.grayscale.light2};
    }
  }

  &.ant-menu-item-selected {
    color: unset;
  }
`;

interface HandleSelectProps {
  key: React.Key;
}

class PopoverDropdown extends React.PureComponent<PopoverDropdownProps> {
  constructor(props: PopoverDropdownProps) {
    super(props);

    this.handleSelect = this.handleSelect.bind(this);
  }

  handleSelect({ key }: HandleSelectProps) {
    this.props.onChange(key);
  }

  static defaultProps = {
    renderButton: (option: OptionProps) => option.label,
    renderOption: (option: OptionProps) => (
      <div className={option.className}>{option.label}</div>
    ),
  };

  render() {
    const { value, options, renderButton, renderOption, theme } = this.props;
    const selected = options.find(opt => opt.value === value);
    return (
      <Dropdown
        trigger={['click']}
        overlayStyle={{ zIndex: theme.zIndex.max }}
        overlay={
          <Menu onClick={this.handleSelect}>
            {options.map(option => (
              <MenuItem
                id="menu-item"
                key={option.value}
                className={cx('dropdown-item', {
                  active: option.value === value,
                })}
              >
                {renderOption(option)}
              </MenuItem>
            ))}
          </Menu>
        }
      >
        <div role="button" css={{ display: 'flex', alignItems: 'center' }}>
          {selected && renderButton(selected)}
          <Icon name="caret-down" css={{ marginTop: 4 }} />
        </div>
      </Dropdown>
    );
  }
}

export default withTheme(PopoverDropdown);