From e51e9fe8bac126f34f763521787bd35f115d4d02 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E5=A5=95?=
 <Leopoldthecoder@users.noreply.github.com>
Date: Thu, 10 May 2018 11:56:49 +0800
Subject: [PATCH] Tree: drag events should return if not draggable (#11095)

---
 packages/tree/src/tree-node.vue | 3 +++
 test/unit/specs/menu.spec.js    | 1 -
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/tree/src/tree-node.vue b/packages/tree/src/tree-node.vue
index 03708b09..22ea6a19 100644
--- a/packages/tree/src/tree-node.vue
+++ b/packages/tree/src/tree-node.vue
@@ -208,10 +208,12 @@
       },
 
       handleDragStart(event) {
+        if (!this.tree.draggable) return;
         this.tree.$emit('tree-node-drag-start', event, this);
       },
 
       handleDragOver(event) {
+        if (!this.tree.draggable) return;
         this.tree.$emit('tree-node-drag-over', event, this);
         event.preventDefault();
       },
@@ -221,6 +223,7 @@
       },
 
       handleDragEnd(event) {
+        if (!this.tree.draggable) return;
         this.tree.$emit('tree-node-drag-end', event, this);
       }
     },
diff --git a/test/unit/specs/menu.spec.js b/test/unit/specs/menu.spec.js
index 32e5b426..3534d22a 100644
--- a/test/unit/specs/menu.spec.js
+++ b/test/unit/specs/menu.spec.js
@@ -372,7 +372,6 @@ describe('Menu', () => {
       template: `
           <el-menu :default-active="active">
             <el-menu-item
-              v-ref="menus"
               v-for="menu in menus"
               :index="menu.name"
               :key="menu.name">