From 313af63f3348c9deb7a716e1836be6b26ca477d9 Mon Sep 17 00:00:00 2001
From: chenghongxing <1126263215@qq.com>
Date: Wed, 30 Sep 2020 19:39:26 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20add=20function=20of=20refreshing=20page?=
 =?UTF-8?q?;=20:star:=20#132=20=E6=96=B0=E5=A2=9E=EF=BC=9A=E5=88=B7?=
 =?UTF-8?q?=E6=96=B0=E9=A1=B5=E9=9D=A2=E7=9A=84=E5=8A=9F=E8=83=BD=EF=BC=9B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/components/menu/Contextmenu.vue | 18 +++----
 src/layouts/tabs/TabsHead.vue       | 55 +++++++++++++++-------
 src/layouts/tabs/TabsView.vue       | 73 +++++++++++++++++++----------
 src/layouts/tabs/i18n.js            |  3 ++
 src/plugins/tabs-page-plugin.js     |  4 ++
 5 files changed, 102 insertions(+), 51 deletions(-)

diff --git a/src/components/menu/Contextmenu.vue b/src/components/menu/Contextmenu.vue
index a93e332..0bec4b4 100644
--- a/src/components/menu/Contextmenu.vue
+++ b/src/components/menu/Contextmenu.vue
@@ -33,6 +33,7 @@ export default {
       left: 0,
       top: 0,
       target: null,
+      meta: null,
       selectedKeys: []
     }
   },
@@ -45,14 +46,12 @@ export default {
     }
   },
   created () {
-    const clickHandler = () => this.closeMenu()
-    const contextMenuHandler = e => this.setPosition(e)
-    window.addEventListener('click', clickHandler)
-    window.addEventListener('contextmenu', contextMenuHandler)
-    this.$emit('hook:beforeDestroy', () => {
-      window.removeEventListener('click', clickHandler)
-      window.removeEventListener('contextmenu', contextMenuHandler)
-    })
+    window.addEventListener('click', this.closeMenu)
+    window.addEventListener('contextmenu', this.setPosition)
+  },
+  beforeDestroy() {
+    window.removeEventListener('click', this.closeMenu)
+    window.removeEventListener('contextmenu', this.setPosition)
   },
   methods: {
     closeMenu () {
@@ -62,9 +61,10 @@ export default {
       this.left = e.clientX
       this.top = e.clientY
       this.target = e.target
+      this.meta = e.meta
     },
     handleClick ({ key }) {
-      this.$emit('select', key, this.target)
+      this.$emit('select', key, this.target, this.meta)
       this.closeMenu()
     }
   }
diff --git a/src/layouts/tabs/TabsHead.vue b/src/layouts/tabs/TabsHead.vue
index 17e74db..69432f3 100644
--- a/src/layouts/tabs/TabsHead.vue
+++ b/src/layouts/tabs/TabsHead.vue
@@ -5,9 +5,6 @@
         :class="['tabs-container', layout, pageWidth, {'affixed' : affixed, 'fixed-header' : fixedHeader, 'collapsed' : adminLayout.collapsed}]"
         :active-key="active"
         :hide-add="true"
-        @change="onChange"
-        @edit="onEdit"
-        @contextmenu="onContextmenu"
     >
       <a-tooltip placement="left" :title="lockTitle" slot="tabBarExtraContent">
         <a-icon
@@ -18,7 +15,11 @@
         />
       </a-tooltip>
       <a-tab-pane v-for="page in pageList" :key="page.fullPath">
-        <span slot="tab" :pagekey="page.fullPath">{{pageName(page)}}</span>
+        <div slot="tab" class="tab" @contextmenu="e => onContextmenu(page.fullPath, e)">
+          <a-icon v-if="page.fullPath === active || page.loading" @click="onRefresh(page)" class="icon-sync" :type="page.loading ? 'loading' : 'sync'" />
+          <span @click="onTabClick(page.fullPath)" >{{pageName(page)}}</span>
+          <a-icon @click="onClose(page.fullPath)" class="icon-close" type="close"/>
+        </div>
       </a-tab-pane>
     </a-tabs>
     <div v-if="affixed" class="virtual-tabs"></div>
@@ -58,11 +59,6 @@
       }
     },
     inject:['adminLayout'],
-    watch: {
-      'adminLayout.collapsed': (val) => {
-        console.log(val)
-      }
-    },
     created() {
       this.affixed = this.fixedTabs
     },
@@ -84,16 +80,19 @@
           this.affixed = false
         }
       },
-      onChange(key) {
-        this.$emit('change', key)
-      },
-      onEdit(key, action) {
-        if (action === 'remove') {
-          this.$emit('close', key)
+      onTabClick(key) {
+        if (this.active !== key) {
+          this.$emit('change', key)
         }
       },
-      onContextmenu(e) {
-        this.$emit('contextmenu', e)
+      onClose(key) {
+        this.$emit('close', key)
+      },
+      onRefresh(page) {
+        this.$emit('refresh', page.fullPath, page)
+      },
+      onContextmenu(pageKey, e) {
+        this.$emit('contextmenu', pageKey, e)
       },
       pageName(page) {
         return this.$t(getI18nKey(page.keyPath))
@@ -103,6 +102,28 @@
 </script>
 
 <style scoped lang="less">
+  .tab{
+    margin: 0 -16px;
+    padding: 0 16px;
+    font-size: 14px;
+    user-select: none;
+    .icon-close{
+      font-size: 12px;
+      margin-left: 6px;
+      margin-right: -4px;
+      color: @text-color-second;
+      &:hover{
+        color: @text-color;
+      }
+    }
+    .icon-sync{
+      margin-left: -4px;
+      color: @primary-4;
+      &:hover{
+        color: @primary-color;
+      }
+    }
+  }
   .tabs-head{
     margin: 0 auto;
     &.head.fixed{
diff --git a/src/layouts/tabs/TabsView.vue b/src/layouts/tabs/TabsView.vue
index 73a9828..94d4fbe 100644
--- a/src/layouts/tabs/TabsView.vue
+++ b/src/layouts/tabs/TabsView.vue
@@ -7,12 +7,13 @@
         :page-list="pageList"
         @change="changePage"
         @close="remove"
+        @refresh="refresh"
         @contextmenu="onContextmenu"
     />
     <div :class="['tabs-view-content', layout, pageWidth]" :style="`margin-top: ${multiPage ? -24 : 0}px`">
       <page-toggle-transition :disabled="animate.disabled" :animate="animate.name" :direction="animate.direction">
         <a-keep-alive v-if="multiPage" v-model="clearCaches">
-          <router-view ref="tabContent" :key="$route.fullPath" />
+          <router-view v-if="!refreshing" ref="tabContent" :key="$route.fullPath" />
         </a-keep-alive>
         <router-view v-else />
       </page-toggle-transition>
@@ -38,7 +39,8 @@ export default {
       clearCaches: [],
       pageList: [],
       activePage: '',
-      menuVisible: false
+      menuVisible: false,
+      refreshing: false
     }
   },
   computed: {
@@ -47,7 +49,8 @@ export default {
       return [
         { key: '1', icon: 'vertical-right', text: this.$t('closeLeft') },
         { key: '2', icon: 'vertical-left', text: this.$t('closeRight') },
-        { key: '3', icon: 'close', text: this.$t('closeOthers') }
+        { key: '3', icon: 'close', text: this.$t('closeOthers') },
+        { key: '4', icon: 'sync', text: this.$t('refresh') },
       ]
     },
     tabsOffset() {
@@ -106,9 +109,6 @@ export default {
       this.activePage = key
       this.$router.push(key)
     },
-    editPage (key, action) {
-      this[action](key) // remove
-    },
     remove (key, next) {
       if (this.pageList.length === 1) {
         return this.$message.warning(this.$t('warn'))
@@ -124,19 +124,30 @@ export default {
         this.$router.push(this.activePage)
       }
     },
-    onContextmenu (e) {
-      const pageKey = getPageKey(e.target)
+    refresh (key, page) {
+      page = page || this.pageList.find(item => item.fullPath === key)
+      page.loading = true
+      this.clearCache(page)
+      if (key === this.activePage) {
+        this.reloadContent(() => page.loading = false)
+      } else {
+        // 其实刷新很快，加这个延迟纯粹为了 loading 状态多展示一会儿，让用户感知刷新这一过程
+        setTimeout(() => page.loading = false, 500)
+      }
+    },
+    onContextmenu(pageKey, e) {
       if (pageKey) {
         e.preventDefault()
+        e.meta = pageKey
         this.menuVisible = true
       }
     },
-    onMenuSelect (key, target) {
-      let pageKey = getPageKey(target)
+    onMenuSelect (key, target, pageKey) {
       switch (key) {
         case '1': this.closeLeft(pageKey); break
         case '2': this.closeRight(pageKey); break
         case '3': this.closeOthers(pageKey); break
+        case '4': this.refresh(pageKey); break
         default: break
       }
     },
@@ -172,6 +183,22 @@ export default {
         this.$router.push(this.activePage)
       }
     },
+    clearCache(page) {
+      page._init_ = false
+      this.clearCaches = [page.cachedKey]
+    },
+    reloadContent(onLoaded) {
+      this.refreshing = true
+      setTimeout(() => {
+        this.refreshing = false
+        this.$nextTick(() => {
+          this.setCachedKey(this.$route)
+          if (typeof onLoaded === 'function') {
+            onLoaded.apply(this, [])
+          }
+        })
+      }, 200)
+    },
     pageName(page) {
       return this.$t(getI18nKey(page.keyPath))
     },
@@ -180,6 +207,7 @@ export default {
      */
     addListener() {
       window.addEventListener('page:close', this.closePageListener)
+      window.addEventListener('page:refresh', this.refreshPageListener)
       window.addEventListener('unload', this.unloadListener)
     },
     /**
@@ -187,6 +215,7 @@ export default {
      */
     removeListener() {
       window.removeEventListener('page:close', this.closePageListener)
+      window.removeEventListener('page:refresh', this.refreshPageListener)
       window.removeEventListener('unload', this.unloadListener)
     },
     /**
@@ -198,6 +227,14 @@ export default {
       const closePath = typeof closeRoute === 'string' ? closeRoute : closeRoute.path
       this.remove(closePath, nextRoute)
     },
+    /**
+     * 页面刷新事件监听
+     * @param event 页签关闭事件
+     */
+    refreshPageListener(event) {
+      const {pageKey} = event.detail
+      this.refresh(pageKey)
+    },
     /**
      * 页面 unload 事件监听器，添加页签到 session 缓存，用于刷新时保留页签
      */
@@ -206,7 +243,7 @@ export default {
       sessionStorage.setItem(process.env.VUE_APP_TBAS_KEY, JSON.stringify(tabs))
     },
     createPage(route) {
-      return {keyPath: route.matched[route.matched.length - 1].path, fullPath: route.fullPath}
+      return {keyPath: route.matched[route.matched.length - 1].path, fullPath: route.fullPath, loading: false}
     },
     /**
      * 设置页面缓存的key
@@ -240,20 +277,6 @@ export default {
     ...mapMutations('setting', ['correctPageMinHeight'])
   }
 }
-/**
- * 由于ant-design-vue组件库的TabPane组件暂不支持自定义监听器，无法直接获取到右键target所在标签页的 pagekey 。故增加此方法用于
- * 查询右键target所在标签页的标识 pagekey ，以用于自定义右键菜单的事件处理。
- * 注：TabPane组件支持自定义监听器后可去除该方法并重构 ‘自定义右键菜单的事件处理’
- * @param target 查询开始目标
- * @param depth 查询层级深度 （查找层级最多不超过3层，超过3层深度直接返回 null）
- * @returns {String}
- */
-function getPageKey (target, depth = 0) {
-  if (depth > 2 || !target) {
-    return null
-  }
-  return target.getAttribute('pagekey') || getPageKey(target.firstElementChild, ++depth)
-}
 </script>
 
 <style scoped lang="less">
diff --git a/src/layouts/tabs/i18n.js b/src/layouts/tabs/i18n.js
index 23d3db3..edfc390 100644
--- a/src/layouts/tabs/i18n.js
+++ b/src/layouts/tabs/i18n.js
@@ -4,18 +4,21 @@ module.exports = {
       closeLeft: '关闭左侧',
       closeRight: '关闭右侧',
       closeOthers: '关闭其它',
+      refresh: '刷新页面',
       warn: '这是最后一页，不能再关闭了',
     },
     HK: {
       closeLeft: '關閉左側',
       closeRight: '關閉右側',
       closeOthers: '關閉其它',
+      refresh: '刷新頁面',
       warn: '這是最後一頁，不能再關閉了',
     },
     US: {
       closeLeft: 'close left',
       closeRight: 'close right',
       closeOthers: 'close others',
+      refresh: 'refresh the page',
       warn: 'This is the last page, you can\'t close it',
     },
   }
diff --git a/src/plugins/tabs-page-plugin.js b/src/plugins/tabs-page-plugin.js
index 0e47e43..eab3d74 100644
--- a/src/plugins/tabs-page-plugin.js
+++ b/src/plugins/tabs-page-plugin.js
@@ -5,6 +5,10 @@ const TabsPagePlugin = {
         $closePage(closeRoute, nextRoute) {
           const event = new CustomEvent('page:close', {detail:{closeRoute, nextRoute}})
           window.dispatchEvent(event)
+        },
+        $refreshPage(pageKey) {
+          const event = new CustomEvent('page:refresh', {detail:{pageKey}})
+          window.dispatchEvent(event)
         }
       }
     })