From 9fa15b88b6640877be1d0b1a7897aa5f74075e56 Mon Sep 17 00:00:00 2001
From: OrangeM21 <orangemtony@gmail.com>
Date: Tue, 24 Mar 2020 12:24:55 +0800
Subject: [PATCH] =?UTF-8?q?[update]=E4=BF=AE=E6=94=B9=E6=A0=B7=E5=BC=8F=20?=
 =?UTF-8?q?=E6=B7=BB=E5=8A=A0TagView?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/layout/components/AppMain.vue |  18 +++-
 src/layout/components/index.js    |   1 +
 src/layout/index.vue              |  11 +-
 src/settings.js                   |   2 +
 src/store/getters.js              |   4 +-
 src/store/index.js                |  23 +++--
 src/store/modules/settings.js     |   5 +-
 src/store/modules/tagsView.js     | 160 ++++++++++++++++++++++++++++++
 8 files changed, 206 insertions(+), 18 deletions(-)
 create mode 100644 src/store/modules/tagsView.js

diff --git a/src/layout/components/AppMain.vue b/src/layout/components/AppMain.vue
index 03a276f07..68d86ce76 100644
--- a/src/layout/components/AppMain.vue
+++ b/src/layout/components/AppMain.vue
@@ -1,7 +1,9 @@
 <template>
   <section class="app-main">
     <transition name="fade-transform" mode="out-in">
-      <router-view :key="key" />
+      <keep-alive :include="cachedViews">
+        <router-view :key="key" />
+      </keep-alive>
     </transition>
   </section>
 </template>
@@ -12,12 +14,15 @@ export default {
   computed: {
     key() {
       return this.$route.path
+    },
+    cachedViews() {
+      return this.$store.state.tagsView.cachedViews
     }
   }
 }
 </script>
 
-<style scoped>
+<style lang="scss" scoped>
 .app-main {
   background-color: #f3f3f4;
   /*50 = navbar  */
@@ -29,6 +34,15 @@ export default {
 .fixed-header+.app-main {
   padding-top: 50px;
 }
+.hasTagsView {
+  .app-main {
+    /* 84 = navbar + tags-view = 50 + 34 */
+    min-height: calc(100vh - 84px);
+  }
+  .fixed-header+.app-main {
+    padding-top: 84px;
+  }
+}
 </style>
 
 <style lang="scss">
diff --git a/src/layout/components/index.js b/src/layout/components/index.js
index 5025f8bb6..e686427f2 100644
--- a/src/layout/components/index.js
+++ b/src/layout/components/index.js
@@ -3,4 +3,5 @@ export { default as Sidebar } from './Sidebar'
 export { default as AppMain } from './AppMain'
 export { default as BackPlayground } from './BackPlayground'
 export { default as ListTables } from './ListTables'
+export { default as TagsView } from './TagsView'
 export { default as Footer } from './Footer'
diff --git a/src/layout/index.vue b/src/layout/index.vue
index 1620d89cb..6c010dfcb 100644
--- a/src/layout/index.vue
+++ b/src/layout/index.vue
@@ -2,9 +2,10 @@
   <div :class="classObj" class="app-wrapper">
     <div v-if="device==='mobile'&&sidebar.opened" class="drawer-bg" @click="handleClickOutside" />
     <sidebar class="sidebar-container" />
-    <div class="main-container">
+    <div :class="{hasTagsView:needTagsView}" class="main-container">
       <div :class="{'fixed-header':fixedHeader}">
         <navbar />
+        <tags-view v-if="needTagsView" />
       </div>
       <app-main />
       <Footer />
@@ -13,7 +14,7 @@
 </template>
 
 <script>
-import { Navbar, Sidebar, AppMain, Footer } from './components'
+import { Navbar, Sidebar, AppMain, Footer, TagsView } from './components'
 import ResizeMixin from './mixin/ResizeHandler'
 
 export default {
@@ -22,7 +23,8 @@ export default {
     Navbar,
     Sidebar,
     AppMain,
-    Footer
+    Footer,
+    TagsView
   },
   mixins: [ResizeMixin],
   computed: {
@@ -35,6 +37,9 @@ export default {
     fixedHeader() {
       return this.$store.state.settings.fixedHeader
     },
+    needTagsView() {
+      return this.$store.state.settings.tagsView
+    },
     classObj() {
       return {
         hideSidebar: !this.sidebar.opened,
diff --git a/src/settings.js b/src/settings.js
index 5dc91a674..1f68ff904 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -8,6 +8,8 @@ module.exports = {
    */
   fixedHeader: false,
 
+  tagsView: true,
+
   /**
    * @type {boolean} true | false
    * @description Whether show the logo in sidebar
diff --git a/src/store/getters.js b/src/store/getters.js
index c369ccf20..b4e75234d 100644
--- a/src/store/getters.js
+++ b/src/store/getters.js
@@ -7,6 +7,8 @@ const getters = {
   roles: state => state.user.roles,
   currentorg: state => state.user.currentOrg,
   orglist: state => state.user.orgs,
-  permission_routes: state => state.permission.routes
+  permission_routes: state => state.permission.routes,
+  visitedViews: state => state.tagsView.visitedViews,
+  cachedViews: state => state.tagsView.cachedViews
 }
 export default getters
diff --git a/src/store/index.js b/src/store/index.js
index 6ae5dadfe..c40b20534 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -1,20 +1,23 @@
 import Vue from 'vue'
 import Vuex from 'vuex'
 import getters from './getters'
-import app from './modules/app'
-import permission from './modules/permission'
-import settings from './modules/settings'
-import user from './modules/user'
 
 Vue.use(Vuex)
+// https://webpack.js.org/guides/dependency-management/#requirecontext
+const modulesFiles = require.context('./modules', true, /\.js$/)
+
+// you do not need `import app from './modules/app'`
+// it will auto require all vuex module from modules file
+const modules = modulesFiles.keys().reduce((modules, modulePath) => {
+  // set './app.js' => 'app'
+  const moduleName = modulePath.replace(/^\.\/(.*)\.\w+$/, '$1')
+  const value = modulesFiles(modulePath)
+  modules[moduleName] = value.default
+  return modules
+}, {})
 
 const store = new Vuex.Store({
-  modules: {
-    app,
-    permission,
-    settings,
-    user
-  },
+  modules,
   getters
 })
 
diff --git a/src/store/modules/settings.js b/src/store/modules/settings.js
index aab31a281..d208df38a 100644
--- a/src/store/modules/settings.js
+++ b/src/store/modules/settings.js
@@ -1,11 +1,12 @@
 import defaultSettings from '@/settings'
 
-const { showSettings, fixedHeader, sidebarLogo } = defaultSettings
+const { showSettings, fixedHeader, sidebarLogo, tagsView } = defaultSettings
 
 const state = {
   showSettings: showSettings,
   fixedHeader: fixedHeader,
-  sidebarLogo: sidebarLogo
+  sidebarLogo: sidebarLogo,
+  tagsView: tagsView
 }
 
 const mutations = {
diff --git a/src/store/modules/tagsView.js b/src/store/modules/tagsView.js
new file mode 100644
index 000000000..57e72421e
--- /dev/null
+++ b/src/store/modules/tagsView.js
@@ -0,0 +1,160 @@
+const state = {
+  visitedViews: [],
+  cachedViews: []
+}
+
+const mutations = {
+  ADD_VISITED_VIEW: (state, view) => {
+    if (state.visitedViews.some(v => v.path === view.path)) return
+    state.visitedViews.push(
+      Object.assign({}, view, {
+        title: view.meta.title || 'no-name'
+      })
+    )
+  },
+  ADD_CACHED_VIEW: (state, view) => {
+    if (state.cachedViews.includes(view.name)) return
+    if (!view.meta.noCache) {
+      state.cachedViews.push(view.name)
+    }
+  },
+
+  DEL_VISITED_VIEW: (state, view) => {
+    for (const [i, v] of state.visitedViews.entries()) {
+      if (v.path === view.path) {
+        state.visitedViews.splice(i, 1)
+        break
+      }
+    }
+  },
+  DEL_CACHED_VIEW: (state, view) => {
+    const index = state.cachedViews.indexOf(view.name)
+    index > -1 && state.cachedViews.splice(index, 1)
+  },
+
+  DEL_OTHERS_VISITED_VIEWS: (state, view) => {
+    state.visitedViews = state.visitedViews.filter(v => {
+      return v.meta.affix || v.path === view.path
+    })
+  },
+  DEL_OTHERS_CACHED_VIEWS: (state, view) => {
+    const index = state.cachedViews.indexOf(view.name)
+    if (index > -1) {
+      state.cachedViews = state.cachedViews.slice(index, index + 1)
+    } else {
+      // if index = -1, there is no cached tags
+      state.cachedViews = []
+    }
+  },
+
+  DEL_ALL_VISITED_VIEWS: state => {
+    // keep affix tags
+    const affixTags = state.visitedViews.filter(tag => tag.meta.affix)
+    state.visitedViews = affixTags
+  },
+  DEL_ALL_CACHED_VIEWS: state => {
+    state.cachedViews = []
+  },
+
+  UPDATE_VISITED_VIEW: (state, view) => {
+    for (let v of state.visitedViews) {
+      if (v.path === view.path) {
+        v = Object.assign(v, view)
+        break
+      }
+    }
+  }
+}
+
+const actions = {
+  addView({ dispatch }, view) {
+    dispatch('addVisitedView', view)
+    dispatch('addCachedView', view)
+  },
+  addVisitedView({ commit }, view) {
+    commit('ADD_VISITED_VIEW', view)
+  },
+  addCachedView({ commit }, view) {
+    commit('ADD_CACHED_VIEW', view)
+  },
+
+  delView({ dispatch, state }, view) {
+    return new Promise(resolve => {
+      dispatch('delVisitedView', view)
+      dispatch('delCachedView', view)
+      resolve({
+        visitedViews: [...state.visitedViews],
+        cachedViews: [...state.cachedViews]
+      })
+    })
+  },
+  delVisitedView({ commit, state }, view) {
+    return new Promise(resolve => {
+      commit('DEL_VISITED_VIEW', view)
+      resolve([...state.visitedViews])
+    })
+  },
+  delCachedView({ commit, state }, view) {
+    return new Promise(resolve => {
+      commit('DEL_CACHED_VIEW', view)
+      resolve([...state.cachedViews])
+    })
+  },
+
+  delOthersViews({ dispatch, state }, view) {
+    return new Promise(resolve => {
+      dispatch('delOthersVisitedViews', view)
+      dispatch('delOthersCachedViews', view)
+      resolve({
+        visitedViews: [...state.visitedViews],
+        cachedViews: [...state.cachedViews]
+      })
+    })
+  },
+  delOthersVisitedViews({ commit, state }, view) {
+    return new Promise(resolve => {
+      commit('DEL_OTHERS_VISITED_VIEWS', view)
+      resolve([...state.visitedViews])
+    })
+  },
+  delOthersCachedViews({ commit, state }, view) {
+    return new Promise(resolve => {
+      commit('DEL_OTHERS_CACHED_VIEWS', view)
+      resolve([...state.cachedViews])
+    })
+  },
+
+  delAllViews({ dispatch, state }, view) {
+    return new Promise(resolve => {
+      dispatch('delAllVisitedViews', view)
+      dispatch('delAllCachedViews', view)
+      resolve({
+        visitedViews: [...state.visitedViews],
+        cachedViews: [...state.cachedViews]
+      })
+    })
+  },
+  delAllVisitedViews({ commit, state }) {
+    return new Promise(resolve => {
+      commit('DEL_ALL_VISITED_VIEWS')
+      resolve([...state.visitedViews])
+    })
+  },
+  delAllCachedViews({ commit, state }) {
+    return new Promise(resolve => {
+      commit('DEL_ALL_CACHED_VIEWS')
+      resolve([...state.cachedViews])
+    })
+  },
+
+  updateVisitedView({ commit }, view) {
+    commit('UPDATE_VISITED_VIEW', view)
+  }
+}
+
+export default {
+  namespaced: true,
+  state,
+  mutations,
+  actions
+}