anu/index2.html at master · YMFE/anu · GitHub

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<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width">
  <title>树组件</title>
  <script type='text/javascript' src="./dist/React.js"></script>

    <style>
        .aaa {
            width: 200px;
            height: 200px;
            background: red;
        }
    </style>

    <!--<script src="./test/react.js"></script>
    <script src="./test/react-dom.js"></script>-->
   <script src="./test/redux.js"></script>
    <script src="./test/react-redux.js"></script>
    <script src="./lib/babel.js"></script>
    <script type='text/babel'>
      var s
     window.onload = function(){
        var combineReducers = Redux.combineReducers
        var Provider = ReactRedux.Provider
        var connect = ReactRedux.connect
        var createStore = Redux.createStore
        function generateTree() {
            let tree = {
                0: {
                    id: 0,
                    counter: 0,
                    childIds: []
                }
            }

            for (let i = 1; i < 3; i++) {
                let parentId = 0 //Math.floor(Math.pow(Math.random(), 2) * i)
                tree[i] = {
                    id: i,
                    counter: 0,
                    childIds: []
                }
                tree[parentId].childIds.push(i)
            }

            return tree
        }
        const INCREMENT = 'INCREMENT'
        const CREATE_NODE = 'CREATE_NODE'
        const DELETE_NODE = 'DELETE_NODE'
        const ADD_CHILD = 'ADD_CHILD'
        const REMOVE_CHILD = 'REMOVE_CHILD'

        const increment = (nodeId) => ({
            type: INCREMENT,
            nodeId
        })

        let nextId = 0
        const createNode = () => ({
            type: CREATE_NODE,
            nodeId: `new_${nextId++}`
        })

        const deleteNode = (nodeId) => ({
            type: DELETE_NODE,
            nodeId
        })

        const addChild = (nodeId, childId) => ({
            type: ADD_CHILD,
            nodeId,
            childId
        })

        const removeChild = (nodeId, childId) => ({
            type: REMOVE_CHILD,
            nodeId,
            childId
        })
        var actions = {
            increment,
            createNode,
            deleteNode,
            addChild,
            removeChild
        }
        class Node extends React.Component {
            constructor(props){
                super(props)
                this.handleIncrementClick = this.handleIncrementClick.bind(this)
                this.handleAddChildClick = this.handleAddChildClick.bind(this)
                this.handleRemoveClick = this.handleRemoveClick.bind(this)
                this.renderChild = this.renderChild.bind(this)
            }
            handleIncrementClick(){
                const { increment, id } = this.props
                increment(id)
            }

            handleAddChildClick(e){
                e.preventDefault()

                const { addChild, createNode, id } = this.props
                const childId = createNode().nodeId
                addChild(id, childId)
            }

            handleRemoveClick(e){
                e.preventDefault()

                const { removeChild, deleteNode, parentId, id } = this.props
                removeChild(parentId, id)
                deleteNode(id)
            }

            renderChild(childId) {
                const { id } = this.props
                return (
                    <li key={childId}>
                        <ConnectedNode id={childId} parentId={id} />
                    </li>
                )
            }

            render() {
                const { counter, parentId, childIds } = this.props
                return (
                    <div>
                        Counter: {counter}
                        {' '}
                        <button onClick={this.handleIncrementClick}>
                            +
                    </button>
                        {' '}
                        {typeof parentId !== 'undefined' &&
                            <a href="#" onClick={this.handleRemoveClick} className='remove'
                                style={{ color: 'lightgray', textDecoration: 'none' }}>
                        ×
                    </a>
                    }
                    <ul>
                    {childIds.map(this.renderChild)}
                    <li key="add">
                        <a href="#" onClick={this.handleAddChildClick} className='add'>
                        Add child
                        </a>
                    </li>
                    </ul>
                </div>
                )
              }
            }

        function mapStateToProps(state, ownProps) {
           return state[ownProps.id]
        }

        const ConnectedNode = connect(mapStateToProps, actions)(Node)


//import { INCREMENT, ADD_CHILD, REMOVE_CHILD, CREATE_NODE, DELETE_NODE } from '../actions'

        const childIds = (state, action) => {
            switch (action.type) {
                case ADD_CHILD:
                return [ ...state, action.childId ]
                case REMOVE_CHILD:
                return state.filter(id => id !== action.childId)
                default:
                return state
            }
        }

        const node = (state, action) => {
            switch (action.type) {
                case CREATE_NODE:
                return {
                    id: action.nodeId,
                    counter: 0,
                    childIds: []
                }
                case INCREMENT:
                return {
                    ...state,
                    counter: state.counter + 1
                }
                case ADD_CHILD:
                case REMOVE_CHILD:
                return {
                    ...state,
                    childIds: childIds(state.childIds, action)
                }
                default:
                return state
            }
        }

        const getAllDescendantIds = (state, nodeId) => (
            state[nodeId].childIds.reduce((acc, childId) => (
                [ ...acc, childId, ...getAllDescendantIds(state, childId) ]
            ), [])
        )

        const deleteMany = (state, ids) => {
            state = { ...state }
            ids.forEach(id => delete state[id])
            return state
        }

        function reducers(state = {}, action) {
            const { nodeId } = action
            if (typeof nodeId === 'undefined') {
                return state
            }

            if (action.type === DELETE_NODE) {
                const descendantIds = getAllDescendantIds(state, nodeId)
                return deleteMany(state, [ nodeId, ...descendantIds ])
            }

            return {
                ...state,
                [nodeId]: node(state[nodeId], action)
            }
        }

        const tree = generateTree()
       var div =  document.getElementById('root')
        const store = createStore(reducers, tree)
         s = ReactDOM.render(<Provider store={store}>
                <ConnectedNode id={0} />
            </Provider>, div)

    }
    </script>
</head>

<body>

    <div>测试</div>
    <blockquote id='root'></blockquote>


</body>

</html>