feat: multi-tab content menu

src/components/MultiTab/MultiTab.vue

+<!--
 <template>
   <div style="margin: -23px -24px 24px -24px">
+    &lt;!&ndash;<a-dropdown :trigger="['contextmenu']" overlayClassName="multi-tab-menu-wrapper">
+      <a-menu slot="overlay">
+        <a-menu-item key="1">1st menu item</a-menu-item>
+        <a-menu-item key="2">2nd menu item</a-menu-item>
+        <a-menu-item key="3">3rd menu item</a-menu-item>
+      </a-menu>
+    </a-dropdown>&ndash;&gt;
     <a-tabs
       hideAdd
       v-model="activeKey"
@@ -9,9 +17,13 @@
     >
       <a-tab-pane v-for="page in pages" :style="{ height: 0 }" :tab="page.meta.title" :key="page.fullPath" :closable="pages.length > 1">
       </a-tab-pane>
+      <template slot="renderTabBar" slot-scope="props, DefaultTabBar">
+        <component :is="DefaultTabBar" {...props} />
+      </template>
     </a-tabs>
   </div>
 </template>
+-->
 
 <script>
 export default {
@@ -27,16 +39,81 @@ export default {
   created () {
     this.pages.push(this.$route)
     this.fullPathList.push(this.$route.fullPath)
+    this.selectedLastPath()
   },
   methods: {
     onEdit (targetKey, action) {
+      console.log('onEdit', targetKey, action)
       this[action](targetKey)
     },
     remove (targetKey) {
       this.pages = this.pages.filter(page => page.fullPath !== targetKey)
       this.fullPathList = this.fullPathList.filter(path => path !== targetKey)
       // 跳转到最后一个还存在的标签页
+      this.selectedLastPath()
+    },
+    selectedLastPath () {
       this.activeKey = this.fullPathList[this.fullPathList.length - 1]
+    },
+
+    // content menu
+    closeThat (e) {
+      console.log('close that', e)
+      this.remove(e)
+    },
+    closeLeft (e) {
+      // TODO
+      console.log('close left', e)
+      const index = this.fullPathList.indexOf(e)
+      if (index > -1) {
+        this.fullPathList.splice(index, -1)
+      }
+    },
+    closeRight (e) {
+      console.log('close right', e)
+    },
+    closeAll (e) {
+      console.log('close all', e)
+    },
+    closeMenuClick ({ key, item, domEvent }) {
+      console.log('key', key)
+      console.log('item', item.$attrs['data-vkey'])
+      const vkey = domEvent.target.getAttribute('data-vkey')
+      switch (key) {
+        case 'close-right':
+          this.closeRight(vkey)
+          break
+        case 'close-left':
+          this.closeLeft(vkey)
+          break
+        case 'close-all':
+          this.closeAll(vkey)
+          break
+        default:
+        case 'close-that':
+          this.closeThat(vkey)
+          break
+      }
+    },
+    renderTabPaneMenu (e) {
+      return (
+        <a-menu {...{ on: { click: this.closeMenuClick } }}>
+          <a-menu-item key="close-that" data-vkey={e}>关闭当前标签</a-menu-item>
+          <a-menu-item key="close-right" data-vkey={e}>关闭右侧</a-menu-item>
+          <a-menu-item key="close-left" data-vkey={e}>关闭左侧</a-menu-item>
+          <a-menu-item key="close-all" data-vkey={e}>关闭全部</a-menu-item>
+        </a-menu>
+      )
+    },
+    // render
+    renderTabPane (title, keyPath) {
+      const menu = this.renderTabPaneMenu(keyPath)
+
+      return (
+        <a-dropdown overlay={menu} trigger={['contextmenu']}>
+          <span style={{ userSelect: 'none' }}>{ title }</span>
+        </a-dropdown>
+      )
     }
   },
   watch: {
@@ -48,8 +125,28 @@ export default {
       }
     },
     activeKey: function (newPathKey) {
+      console.log('activeKey', newPathKey)
       this.$router.push({ path: newPathKey })
     }
+  },
+  render () {
+    const { onEdit, $data: { pages } } = this
+    const panes = pages.map(page => {
+      return (<a-tab-pane style={{ height: 0 }} tab={this.renderTabPane(page.meta.title, page.fullPath)} key={page.fullPath} closable={pages.length > 1}></a-tab-pane>)
+    })
+
+    return (
+      <div style="margin: -23px -24px 24px -24px">
+        <a-tabs
+          hideAdd
+          type={'editable-card'}
+          v-model={this.activeKey}
+          tabBarStyle={{ background: '#FFF', margin: 0, paddingLeft: '16px', paddingTop: '1px' }}
+          {...{ on: { edit: onEdit } }}>
+          {panes}
+        </a-tabs>
+      </div>
+    )
   }
 }
-</script>
+</script>
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