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This commit is contained in:
liyang
2018-09-11 08:50:18 +08:00
parent fea87f6e7f
commit 30f67d7fa5
2 changed files with 1 additions and 315 deletions
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315
src/store/modules/d2admin/modules/page.js
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// 设置文件
import setting from '@/setting.js'
export default {
namespaced: true,
state: {
// 可以在多页 tab 模式下显示的页面
pool: [],
// 当前显示的多页面列表
opened: setting.page.opened,
// 当前页面
current: '',
// 需要缓存的页面 name
keepAlive: []
},
mutations: {
/**
* @class keepAlive
* @description 从已经打开的页面记录中更新需要缓存的页面记录
* @param {Object} state vuex state
*/
updateKeepAliveFromOpened (state) {
state.keepAlive = state.opened.filter(item => {
if (item.meta) {
if (item.meta.notCache) {
return false
}
}
return true
}).map(e => e.name)
},
/**
* @class current
* @description 打开一个新的页面
* @param {Object} state vuex state
* @param {Object} param { name, params, query } 路由信息
*/
open (state, { name, params, query }) {
// 已经打开的页面
let opened = state.opened
// 判断此页面是否已经打开 并且记录位置
let pageOpendIndex = 0
const pageOpend = opened.find((page, index) => {
const same = page.name === name
pageOpendIndex = same ? index : pageOpendIndex
return same
})
if (pageOpend) {
// 页面以前打开过 但是新的页面可能 name 一样，参数不一样
this.commit('d2admin/page/openedUpdate', {
index: pageOpendIndex,
params,
query
})
} else {
// 页面以前没有打开过
let page = state.pool.find(t => t.name === name)
if (page) {
this.commit('d2admin/page/add', {
tag: page,
params,
query
})
}
}
this.commit('d2admin/page/currentSet', name)
},
/**
* @class current
* @description 设置当前激活的页面 name
* @param {Object} state vuex state
* @param {String} name new name
*/
currentSet (state, name) {
state.current = name
},
/**
* @class opened
* @description 更新页面列表上的某一项
* @param {Object} state vuex state
* @param {Object} param { index, params, query } 路由信息
*/
openedUpdate (state, { index, params, query }) {
// 更新页面列表某一项
let page = state.opened[index]
page.params = params || page.params
page.query = query || page.query
state.opened.splice(index, 1, page)
// 持久化
this.commit('d2admin/page/opend2db')
},
/**
* 将 opened 属性赋值并持久化 在这之前请先确保已经更新了 state.opened
* @param {Object} state vuex state
*/
opend2db (state) {
this.dispatch('d2admin/db/set', {
dbName: 'sys',
path: 'page.opened',
value: state.opened,
user: true
})
},
/**
* @class opened
* @description 从持久化数据载入分页列表
* @param {Object} state vuex state
*/
async openedLoad (state) {
// store 赋值
const value = await this.dispatch('d2admin/db/get', {
dbName: 'sys',
path: 'page.opened',
defaultValue: setting.page.opened,
user: true
})
// 在处理函数中进行数据优化 过滤掉现在已经失效的页签或者已经改变了信息的页签
// 以 name 字段为准
// 如果页面过多的话可能需要优化算法
// valid 有效列表 1, 1, 0, 1 => 有效, 有效, 失效, 有效
const valid = []
// 处理数据
state.opened = value.map(opened => {
// 忽略首页
if (opened.name === 'index') {
valid.push(1)
return opened
}
// 尝试在所有的支持多标签页的页面里找到 name 匹配的页面
const find = state.pool.find(item => item.name === opened.name)
// 记录有效或无效信息
valid.push(find ? 1 : 0)
// 返回合并后的数据 新的覆盖旧的
// 新的数据中一般不会携带 params 和 query, 所以旧的参数会留存
return Object.assign({}, opened, find)
}).filter((opened, index) => valid[index] === 1)
},
/**
* @class opened
* @description 新增一个 tag (打开一个页面)
* @param {Object} state vuex state
* @param {Object} param new tag info
*/
add (state, { tag, params, query }) {
// 设置新的 tag 在新打开一个以前没打开过的页面时使用
let newTag = tag
newTag.params = params || newTag.params
newTag.query = query || newTag.query
// 添加进当前显示的页面数组
state.opened.push(newTag)
// 持久化
this.commit('d2admin/page/opend2db')
},
/**
* @class opened
* @description 关闭一个 tag (关闭一个页面)
* @param {Object} state vuex state
* @param {Object} param { tagName: 要关闭的标签名字, vm: vue }
*/
close (state, { tagName, vm }) {
// 下个新的页面
let newPage = state.opened[0]
const isCurrent = state.current === tagName
// 如果关闭的页面就是当前显示的页面
if (isCurrent) {
// 去找一个新的页面
let len = state.opened.length
for (let i = 1; i < len; i++) {
if (state.opened[i].name === tagName) {
if (i < len - 1) {
newPage = state.opened[i + 1]
} else {
newPage = state.opened[i - 1]
}
break
}
}
}
// 找到这个页面在已经打开的数据里是第几个
const index = state.opened.findIndex(page => page.name === tagName)
if (index >= 0) {
state.opened.splice(index, 1)
}
// 持久化
this.commit('d2admin/page/opend2db')
// 最后需要判断是否需要跳到首页
if (isCurrent) {
const { name = '', params = {}, query = {} } = newPage
let routerObj = {
name,
params,
query
}
vm.$router.push(routerObj)
}
},
/**
* @class opened
* @description 关闭当前标签左边的标签
* @param {Object} state vuex state
* @param {Object} param { pageSelect: 当前选中的tagName, vm: vue }
*/
closeLeft (state, { pageSelect, vm } = {}) {
const pageAim = pageSelect || state.current
let currentIndex = 0
state.opened.forEach((page, index) => {
if (page.name === pageAim) {
currentIndex = index
}
})
if (currentIndex > 0) {
state.opened.splice(1, currentIndex - 1)
}
state.current = pageAim
if (vm && vm.$route.name !== pageAim) {
vm.$router.push({
name: pageAim
})
}
// 持久化
this.commit('d2admin/page/opend2db')
},
/**
* @class opened
* @description 关闭当前标签右边的标签
* @param {Object} state vuex state
* @param {Object} param { pageSelect: 当前选中的tagName, vm: vue }
*/
closeRight (state, { pageSelect, vm } = {}) {
const pageAim = pageSelect || state.current
let currentIndex = 0
state.opened.forEach((page, index) => {
if (page.name === pageAim) {
currentIndex = index
}
})
state.opened.splice(currentIndex + 1)
state.current = pageAim
if (vm && vm.$route.name !== pageAim) {
vm.$router.push({
name: pageAim
})
}
// 持久化
this.commit('d2admin/page/opend2db')
},
/**
* @class opened
* @description 关闭当前激活之外的 tag
* @param {Object} state vuex state
* @param {Object} param { pageSelect: 当前选中的tagName, vm: vue }
*/
closeOther (state, { pageSelect, vm } = {}) {
const pageAim = pageSelect || state.current
let currentIndex = 0
state.opened.forEach((page, index) => {
if (page.name === pageAim) {
currentIndex = index
}
})
if (currentIndex === 0) {
state.opened.splice(1)
} else {
state.opened.splice(currentIndex + 1)
state.opened.splice(1, currentIndex - 1)
}
state.current = pageAim
if (vm && vm.$route.name !== pageAim) {
vm.$router.push({
name: pageAim
})
}
// 持久化
this.commit('d2admin/page/opend2db')
},
/**
* @class opened
* @description 关闭所有 tag
* @param {Object} state vuex state
* @param {Object} vm vue
*/
closeAll (state, vm) {
state.opened.splice(1)
// 持久化
this.commit('d2admin/page/opend2db')
// 关闭所有的标签页后需要判断一次现在是不是在首页
if (vm.$route.name !== 'index') {
vm.$router.push({
name: 'index'
})
}
},
/**
* @class pool
* @description 保存 pool (候选池)
* @param {Object} state vuex state
* @param {Array} routes routes
*/
init (state, routes) {
const pool = []
const push = function (routes) {
routes.forEach(route => {
if (route.children) {
push(route.children)
} else {
const { meta, name, path } = route
pool.push({ meta, name, path })
}
})
}
push(routes)
state.pool = pool
}
}
}

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src/store/modules/d2admin/modules/page.js.REMOVED.git-id Normal file
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