webamp/js/components/EqualizerWindow/PresetsContextMenu.tsx

import React from "react";
import { connect } from "react-redux";
import builtin from "../../../presets/builtin.json";
import {
  openEqfFileDialog,
  downloadPreset,
  setEqFromObject
} from "../../actionCreators";
import { Node, Parent, Hr } from "../ContextMenu";
import ContextMenuTarget from "../ContextMenuTarget";
import { Dispatch, EqfPreset } from "../../types";

interface DispatchProps {
  openEqfFileDialog(): void;
  downloadPreset(): void;
  setEqFromObject(preset: EqfPreset): void;
}

const PresetsContextMenu = (props: DispatchProps) => (
  <ContextMenuTarget top id="presets-context" handle={<div id="presets" />}>
    <Parent label="Load">
      {builtin.presets.map(preset => (
        <Node
          key={preset.name}
          onClick={() => props.setEqFromObject(preset)}
          label={preset.name}
        />
      ))}
      <Hr />
      <Node onClick={props.openEqfFileDialog} label="From Eqf..." />
    </Parent>
    <Node onClick={props.downloadPreset} label="Save" />
  </ContextMenuTarget>
);

const mapDispatchToProps = (dispatch: Dispatch): DispatchProps => {
  return {
    openEqfFileDialog: () => dispatch(openEqfFileDialog()),
    downloadPreset: () => dispatch(downloadPreset()),
    setEqFromObject: preset => dispatch(setEqFromObject(preset))
  };
};

export default connect(
  null,
  mapDispatchToProps
)(PresetsContextMenu);