webamp/js/components/PlaylistWindow/TrackCell.js

import React from "react";
import { connect } from "react-redux";
import classnames from "classnames";
import {
  CLICKED_TRACK,
  CTRL_CLICKED_TRACK,
  SHIFT_CLICKED_TRACK,
  PLAY_TRACK
} from "../../actionTypes";
import { getCurrentTrackId } from "../../selectors";

const TrackCell = props => {
  const {
    skinPlaylistStyle,
    selected,
    current,
    clickTrack,
    playTrack,
    children,
    onMouseDown
  } = props;
  const style = {
    backgroundColor: selected ? skinPlaylistStyle.selectedbg : null,
    color: current ? skinPlaylistStyle.current : null
  };
  return (
    <div
      className={classnames({ selected, current })}
      style={style}
      onMouseDown={e => {
        onMouseDown(e);
        clickTrack(e);
      }}
      onDoubleClick={playTrack}
      onContextMenu={clickTrack}
    >
      {children}
    </div>
  );
};

const mapStateToProps = (state, ownProps) => {
  const { display: { skinPlaylistStyle }, playlist: { tracks } } = state;
  const current = getCurrentTrackId(state) === ownProps.id;
  const track = tracks[ownProps.id];
  return { skinPlaylistStyle, selected: track.selected, current };
};

const mapDispatchToProps = (dispatch, ownProps) => ({
  clickTrack: e => {
    if (e.shiftKey) {
      e.preventDefault();
      return dispatch({ type: SHIFT_CLICKED_TRACK, index: ownProps.index });
    } else if (e.metaKey) {
      e.preventDefault();
      return dispatch({ type: CTRL_CLICKED_TRACK, index: ownProps.index });
    } else if (e.ctrlKey) {
      e.preventDefault();
      return dispatch({ type: CTRL_CLICKED_TRACK, index: ownProps.index });
    }
    return dispatch({ type: CLICKED_TRACK, index: ownProps.index });
  },
  playTrack: () => dispatch({ type: PLAY_TRACK, id: ownProps.id })
});

export default connect(mapStateToProps, mapDispatchToProps)(TrackCell);