qm-bus/src/GalleryBox/actor/category-actor.js

千米公有云业务组件库

import { Action, Actor } from 'iflux2'
import { fromJS } from 'immutable'
import { isArray, contain } from '../../util/qm-array'

export default class CategoryActor extends Actor {
  defaultState() {
    return {
      categories: [],
      expanded: [],
      selected: [],
      expandParent: true,
    }
  }

  @Action('initCategory')
  initCategory(state, value) {
    value = value.toJS ? value : fromJS(value)
    return state.set('categories', value).set(
      'expanded',
      value.map(i => String(i.get('id')))
    )
  }

  @Action('initLeaves')
  initLeaves(state, value) {
    value = value.toJS ? value : fromJS(value)
    return state.set('leaves', value)
  }

  @Action('cate:expand')
  expand(state, expanded) {
    if (isArray(expanded)) {
      return state.set('expanded', fromJS(expanded)).set('expandParent', false)
    } else {
      let leaves = state.get('leaves').toArray()
      if (!contain(leaves, expanded)) {
        return state
          .update('expanded', expandeds => expandeds.concat(fromJS([expanded])))
          .set('expandParent', true)
      }
      return state
    }
  }

  @Action('cate:select')
  select(state, selected) {
    return state.set('selected', fromJS(selected))
  }
}