qtsd-fork/example/node_modules/dnd-core/src/DragDropManager.js

Do not use this please

import createStore from 'redux/lib/createStore'
import reducer from './reducers'
import * as dragDropActions from './actions/dragDrop'
import DragDropMonitor from './DragDropMonitor'

export default class DragDropManager {
	constructor(createBackend, context = {}) {
		const store = createStore(reducer)
		this.context = context
		this.store = store
		this.monitor = new DragDropMonitor(store)
		this.registry = this.monitor.registry
		this.backend = createBackend(this)

		store.subscribe(this.handleRefCountChange.bind(this))
	}

	handleRefCountChange() {
		const shouldSetUp = this.store.getState().refCount > 0
		if (shouldSetUp && !this.isSetUp) {
			this.backend.setup()
			this.isSetUp = true
		} else if (!shouldSetUp && this.isSetUp) {
			this.backend.teardown()
			this.isSetUp = false
		}
	}

	getContext() {
		return this.context
	}

	getMonitor() {
		return this.monitor
	}

	getBackend() {
		return this.backend
	}

	getRegistry() {
		return this.registry
	}

	getActions() {
		const manager = this
		const { dispatch } = this.store

		function bindActionCreator(actionCreator) {
			return (...args) => {
				const action = actionCreator.apply(manager, args)
				if (typeof action !== 'undefined') {
					dispatch(action)
				}
			}
		}

		return Object.keys(dragDropActions)
			.filter(key => typeof dragDropActions[key] === 'function')
			.reduce((boundActions, key) => {
				const action = dragDropActions[key]
				boundActions[key] = bindActionCreator(action) // eslint-disable-line no-param-reassign
				return boundActions
			}, {})
	}
}