ohif-viewer/src/connectedComponents/ConnectedViewerMain.js

import { connect } from 'react-redux'
import ViewerMain from './ViewerMain'
import OHIF from 'ohif-core'

const {
  setViewportSpecificData,
  clearViewportSpecificData,
  setToolActive,
  setActiveViewportSpecificData,
} = OHIF.redux.actions

const mapStateToProps = state => {
  const { activeViewportIndex, layout, viewportSpecificData } = state.viewports

  return {
    activeViewportIndex,
    layout,
    viewportSpecificData,
  }
}

const mapDispatchToProps = dispatch => {
  return {
    setViewportSpecificData: (viewportIndex, data) => {
      dispatch(setViewportSpecificData(viewportIndex, data))
    },
    clearViewportSpecificData: () => {
      dispatch(clearViewportSpecificData())
    },
    setToolActive: tool => {
      dispatch(setToolActive(tool))
    },
    setActiveViewportSpecificData: viewport => {
      dispatch(setActiveViewportSpecificData(viewport))
    },
  }
}

const ConnectedViewerMain = connect(
  mapStateToProps,
  mapDispatchToProps
)(ViewerMain)

export default ConnectedViewerMain