From 888fa5c407d49290353ca56f511e71d9a93508be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=81=E7=81=8F?= <admin@aresn.com>
Date: Thu, 2 Jul 2020 09:16:00 +0800
Subject: [PATCH] Tree support contextMenu

---
 src/components/tabs/pane.vue    |  5 +++++
 src/components/tabs/tabs.vue    | 37 ++++++++++++++++++++++++++++++---
 src/styles/components/tabs.less |  4 ++++
 3 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/src/components/tabs/pane.vue b/src/components/tabs/pane.vue
index 318e011b..2fed097f 100644
--- a/src/components/tabs/pane.vue
+++ b/src/components/tabs/pane.vue
@@ -34,6 +34,11 @@
             // 数值需大于 0
             index: {
                 type: Number
+            },
+            // 4.3.0
+            contextMenu: {
+                type: Boolean,
+                default: false
             }
         },
         data () {
diff --git a/src/components/tabs/tabs.vue b/src/components/tabs/tabs.vue
index b46db47c..039de01b 100644
--- a/src/components/tabs/tabs.vue
+++ b/src/components/tabs/tabs.vue
@@ -1,5 +1,5 @@
 <template>
-    <div :class="classes">
+    <div :class="classes" ref="tabsWrap">
         <div :class="[prefixCls + '-bar']">
             <div :class="[prefixCls + '-nav-right']" v-if="showSlot"><slot name="extra"></slot></div>
             <div
@@ -15,7 +15,7 @@
                     <div ref="navScroll" :class="[prefixCls + '-nav-scroll']" @DOMMouseScroll="handleScroll" @mousewheel="handleScroll">
                         <div ref="nav" :class="[prefixCls + '-nav']" :style="navStyle">
                             <div :class="barClasses" :style="barStyle"></div>
-                            <div :class="tabCls(item)" v-for="(item, index) in navList" @click="handleChange(index)" @dblclick="handleDblclick(index)">
+                            <div :class="tabCls(item)" v-for="(item, index) in navList" @click="handleChange(index)" @dblclick="handleDblclick(index)" @contextmenu.stop="handleContextmenu(index, $event)">
                                 <Icon v-if="item.icon !== ''" :type="item.icon"></Icon>
                                 <Render v-if="item.labelType === 'function'" :render="item.label"></Render>
                                 <template v-else>{{ item.label }}</template>
@@ -27,6 +27,13 @@
             </div>
         </div>
         <div :class="contentClasses" :style="contentStyle" ref="panes"><slot></slot></div>
+        <div class="ivu-tabs-context-menu" :style="contextMenuStyles">
+            <Dropdown trigger="custom" :visible="contextMenuVisible" transfer @on-clickoutside="handleClickContextMenuOutside">
+                <DropdownMenu slot="list">
+                    <slot name="contextMenu"></slot>
+                </DropdownMenu>
+            </Dropdown>
+        </div>
     </div>
 </template>
 <script>
@@ -115,6 +122,11 @@
                 },
                 scrollable: false,
                 transitioning: false,
+                contextMenuVisible: false,
+                contextMenuStyles: {
+                    top: 0,
+                    left: 0
+                }
             };
         },
         computed: {
@@ -239,7 +251,8 @@
                         icon: pane.icon || '',
                         name: pane.currentName || index,
                         disabled: pane.disabled,
-                        closable: pane.closable
+                        closable: pane.closable,
+                        contextMenu: pane.contextMenu
                     });
                     if (!pane.currentName) pane.currentName = index;
                     if (index === 0) {
@@ -302,6 +315,24 @@
                 if (!nav || nav.disabled) return;
                 this.$emit('on-dblclick', nav.name);
             },
+            handleContextmenu (index, event) {
+                const nav = this.navList[index];
+                if (!nav || nav.disabled || !nav.contextMenu) return;
+
+                event.preventDefault();
+                const $TabsWrap = this.$refs.tabsWrap;
+                const TabsBounding = $TabsWrap.getBoundingClientRect();
+                const position = {
+                    left: `${event.clientX - TabsBounding.left}px`,
+                    top: `${event.clientY - TabsBounding.top}px`
+                };
+                this.contextMenuStyles = position;
+                this.contextMenuVisible = true;
+                this.$emit('on-contextmenu', nav, event, position);
+            },
+            handleClickContextMenuOutside () {
+                this.contextMenuVisible = false;
+            },
             handleTabKeyNavigation(e){
                 if (e.keyCode !== 37 && e.keyCode !== 39) return;
                 const direction = e.keyCode === 39 ? 1 : -1;
diff --git a/src/styles/components/tabs.less b/src/styles/components/tabs.less
index 1e992426..dbf5f39c 100644
--- a/src/styles/components/tabs.less
+++ b/src/styles/components/tabs.less
@@ -232,6 +232,10 @@
         transform: translateZ(0);
         margin-right: -6px;
     }
+
+    &-context-menu{
+        position: absolute;
+    }
 }
 
 .@{tabs-prefix-cls}-no-animation{