From d8512430cc63c1f7216ce662ff843be825bb7dbd Mon Sep 17 00:00:00 2001
From: cagataycivici <cagatay.civici@gmail.com>
Date: Wed, 4 Dec 2019 13:43:42 +0300
Subject: [PATCH] Implemented Menubar Component

---
 src/AppMenu.vue                       |   1 +
 src/components/menubar/Menubar.d.ts   |   0
 src/components/menubar/Menubar.vue    | 127 +++++++
 src/components/menubar/MenubarSub.vue | 273 +++++++++++++++
 src/main.js                           |   2 +
 src/router.js                         |   5 +
 src/views/menubar/MenubarDemo.vue     | 161 +++++++++
 src/views/menubar/MenubarDoc.vue      | 456 ++++++++++++++++++++++++++
 8 files changed, 1025 insertions(+)
 create mode 100644 src/components/menubar/Menubar.d.ts
 create mode 100644 src/components/menubar/Menubar.vue
 create mode 100644 src/components/menubar/MenubarSub.vue
 create mode 100644 src/views/menubar/MenubarDemo.vue
 create mode 100644 src/views/menubar/MenubarDoc.vue

diff --git a/src/AppMenu.vue b/src/AppMenu.vue
index abdd4bb2f..4694c243a 100644
--- a/src/AppMenu.vue
+++ b/src/AppMenu.vue
@@ -129,6 +129,7 @@
                         <router-link to="/menumodel">&#9679; MenuModel</router-link>
                         <router-link to="/breadcrumb">&#9679; Breadcrumb</router-link>
                         <router-link to="/menu">&#9679; Menu</router-link>
+                        <router-link to="/menubar">&#9679; Menubar</router-link>
                         <router-link to="/tieredmenu">&#9679; TieredMenu</router-link>
                     </div>
                 </div>
diff --git a/src/components/menubar/Menubar.d.ts b/src/components/menubar/Menubar.d.ts
new file mode 100644
index 000000000..e69de29bb
diff --git a/src/components/menubar/Menubar.vue b/src/components/menubar/Menubar.vue
new file mode 100644
index 000000000..369fc11c9
--- /dev/null
+++ b/src/components/menubar/Menubar.vue
@@ -0,0 +1,127 @@
+<template>
+    <div class="p-menubar p-component'">
+        <MenubarSub :model="model" :root="true" />
+        <div class="p-menubar-custom" v-if="$slots.default">
+            <slot></slot>
+        </div>
+    </div>
+</template>
+
+<script>
+import MenubarSub from './MenubarSub';
+
+export default {
+    props: {
+		model: {
+            type: Array,
+            default: null
+        }
+    },
+    components: {
+        'MenubarSub': MenubarSub
+    }
+}
+</script>
+
+<style>
+.p-menubar {
+    padding: .25em;
+}
+
+.p-menubar .p-menu-separator {
+    border-width: 1px 0 0 0;
+}
+
+.p-menubar:after {
+    content: "";
+    clear: both;
+    display: table;
+}
+
+.p-menubar ul {
+    margin: 0;
+    padding: 0;
+    list-style: none;
+}
+
+.p-menubar .p-menuitem-link {
+    display: block;
+    padding: .25em;
+    position: relative;
+    text-decoration: none;
+}
+
+.p-menubar .p-menuitem-icon {
+    margin-right: .25em;
+}
+
+.p-menubar .p-menubar-root-list {
+    display: inline-block;
+}
+
+.p-menubar .p-menubar-root-list > .p-menuitem {
+    display: inline-block;
+    position: relative;
+}
+
+.p-menubar .p-menubar-root-list > .p-menuitem > .p-menuitem-link {
+    padding: .5em;
+}
+
+.p-menubar .p-menubar-root-list > .p-menuitem > .p-menuitem-link > .p-submenu-icon {
+    vertical-align: middle;
+    margin-left: .25em;
+}
+
+.p-menubar .p-menubar-root-list > li ul {
+    display: none;
+    z-index: 1;
+}
+
+.p-menubar .p-menubar-root-list > .p-menuitem-active > .p-submenu-list {
+    display: block;
+}
+
+.p-menubar .p-submenu-list {
+    display: none;
+    position: absolute;
+    min-width: 12.5em;
+    padding: .25em;
+}
+
+.p-menubar .p-submenu-list .p-menuitem {
+    margin: .125em 0;
+    position: relative;
+}
+
+.p-menubar .p-submenu-list > .p-menuitem-active > .p-submenu-list  {
+    display: block;
+    left: 100%;
+    top: 0;
+}
+
+.p-menubar .p-menuitem-icon {
+    margin-right: .25em;
+    vertical-align: middle;
+}
+
+.p-menubar .p-menuitem-text {
+    vertical-align: middle;
+}
+
+.p-menubar .p-submenu-list .p-menuitem-link .p-submenu-icon {
+    position: absolute;
+    margin-top: -.5em;
+    right: 0;
+    top: 50%;
+}
+
+.p-menubar .p-menuitem-active > .p-submenu > .p-submenu-list {
+    display: block;
+}
+
+.p-menubar .p-menubar-custom {
+    float: right;
+    padding: .25em;
+}
+</style>
\ No newline at end of file
diff --git a/src/components/menubar/MenubarSub.vue b/src/components/menubar/MenubarSub.vue
new file mode 100644
index 000000000..8ed1375fe
--- /dev/null
+++ b/src/components/menubar/MenubarSub.vue
@@ -0,0 +1,273 @@
+<template>
+    <ul :class="containerClass" role="menu">
+        <template v-for="(item, i) of model">
+            <li role="menuitem" :class="getItemClass(item)" :style="item.style" v-if="item.visible !== false && !item.separator" :key="item.label + i"
+                @mouseenter="onItemMouseEnter($event, item)">
+                <router-link v-if="item.to" :to="item.to" class="p-menuitem-link"
+                    @click.native="onItemClick($event, item)" @keydown.native="onItemKeyDown($event, item)">
+                    <span :class="['p-menuitem-icon', item.icon]"></span>
+                    <span class="p-menuitem-text">{{item.label}}</span>
+                </router-link>
+                <a v-else :href="item.url||'#'" class="p-menuitem-link" :target="item.target"
+                    @click="onItemClick($event, item)" @keydown="onItemKeyDown($event, item)">
+                    <span :class="['p-menuitem-icon', item.icon]"></span>
+                    <span class="p-menuitem-text">{{item.label}}</span>
+                    <span :class="getSubmenuIcon(item)" v-if="item.items"></span>
+                </a>
+                <sub-menu :model="item.items" v-if="item.visible !== false && item.items" :key="item.label + '_sub_'"
+                    @leaf-click="onLeafClick" @keydown-item="onChildItemKeyDown" :parentActive="item === activeItem" />
+            </li>
+            <li class="p-menu-separator" :style="item.style" v-if="item.visible !== false && item.separator" :key="'separator' + i"></li>
+        </template>
+    </ul>
+</template>
+
+<script>
+import DomHandler from '../utils/DomHandler';
+
+export default {
+    name: 'sub-menu',
+    props: {
+        model: {
+            type: Array,
+            default: null
+        },
+        root: {
+            type: Boolean,
+            default: false
+        },
+        popup: {
+            type: Boolean,
+            default: false
+        },
+        parentActive: {
+            type: Boolean,
+            default: false
+        }
+    },
+    documentClickListener: null,
+    watch: {
+        parentActive(newValue) {
+            if (!newValue) {
+                this.activeItem = null;
+            }
+        }
+    },
+    data() {
+        return {
+            activeItem: null
+        }
+    },
+    updated() {
+        if (this.root && this.activeItem) {
+            this.bindDocumentClickListener();
+        }
+    },
+    beforeDestroy() {
+        this.unbindDocumentClickListener();
+    },
+    methods: {
+        onItemMouseEnter(event, item) {
+            if (item.disabled) {
+                event.preventDefault();
+                return;
+            }
+
+            if (this.root) {
+                if (this.activeItem || this.popup) {
+                    this.activeItem = item;
+                }
+            }
+            else {
+                this.activeItem = item;
+            }
+        },
+        onItemClick(event, item) {
+            if (item.disabled) {
+                event.preventDefault();
+                return;
+            }
+
+            if (!item.url) {
+                event.preventDefault();
+            }
+
+            if (item.command) {
+                item.command({
+                    originalEvent: event,
+                    item: item
+                });
+            }
+
+            if (this.root && item.items) {
+                if (this.activeItem && item === this.activeItem)
+                    this.activeItem = null;
+                else
+                   this.activeItem = item;
+            }
+
+            if (!item.items) {
+                this.onLeafClick();
+            }
+        },
+        onLeafClick() {
+            this.activeItem = null;
+
+            if (!this.root) {
+                this.$emit('leaf-click');
+            }
+        },
+        onItemKeyDown(event, item) {
+            let listItem = event.currentTarget.parentElement;
+
+            switch(event.which) {
+                //down
+                case 40:
+                    if (this.root) {
+                        if (item.items) {
+                            this.expandSubmenu(item, listItem);
+                        }
+                    }
+                    else {
+                        this.navigateToNextItem(listItem);
+                    }
+                    
+                    event.preventDefault();
+                break;
+
+                //up
+                case 38:
+                    if (!this.root) {
+                        this.navigateToPrevItem(listItem);
+                    }
+
+                    event.preventDefault();
+                break;
+
+                //right
+                case 39:
+                    if (this.root) {
+                        var nextItem = this.findNextItem(listItem);
+                        if (nextItem) {
+                            nextItem.children[0].focus();
+                        }
+                    }
+                    else {
+                        if (item.items) {
+                            this.expandSubmenu(item, listItem);
+                        }
+                    }
+                
+                    event.preventDefault();
+                break;
+
+                //left
+                case 37:
+                    if (this.root) {
+                        this.navigateToPrevItem(listItem);
+                    }
+                    
+                    event.preventDefault();
+                break;
+                
+                default:
+                break;
+            }
+
+            this.$emit('keydown-item', {
+                originalEvent: event,
+                element: listItem
+            });
+        },
+        onChildItemKeyDown(event) {
+            if (this.root) {
+                //up
+                if (event.originalEvent.which === 38 && event.element.previousElementSibling == null) {
+                    this.collapseMenu(event.element);
+                }
+            }
+            else {
+                //left
+                if (event.which === 37) {
+                    this.collapseMenu(event.element);
+                }
+            }
+        },
+        findNextItem(item) {
+            let nextItem = item.nextElementSibling;
+
+            if (nextItem)
+                return DomHandler.hasClass(nextItem, 'p-disabled') || !DomHandler.hasClass(nextItem, 'p-menuitem') ? this.findNextItem(nextItem) : nextItem;
+            else
+                return null;
+        },
+        findPrevItem(item) {
+            let prevItem = item.previousElementSibling;
+
+            if (prevItem)
+                return DomHandler.hasClass(prevItem, 'p-disabled') || !DomHandler.hasClass(prevItem, 'p-menuitem') ? this.findPrevItem(prevItem) : prevItem;
+            else
+                return null;
+        },
+        expandSubmenu(item, listItem) {
+            this.activeItem = item;
+
+            setTimeout(() => {
+                listItem.children[1].children[0].children[0].focus();
+            }, 50);
+        },
+        collapseMenu(listItem) {
+            this.activeItem = null;
+            listItem.parentElement.previousElementSibling.focus();
+        },
+        navigateToNextItem(listItem) {
+            var nextItem = this.findNextItem(listItem);
+            if (nextItem) {
+                nextItem.children[0].focus();
+            }
+        },
+        navigateToPrevItem(listItem) {
+            var prevItem = this.findPrevItem(listItem);
+            if (prevItem) {
+                prevItem.children[0].focus();
+            }
+        },
+        getItemClass(item) {
+            return [
+                'p-menuitem', item.class, {
+                    'p-menuitem-active': this.activeItem === item,
+                    'p-disabled': item.disabled,
+                }
+            ]
+        },
+        bindDocumentClickListener() {
+            if (!this.documentClickListener) {
+                this.documentClickListener = (event) => {
+                    if (this.$el && !this.$el.contains(event.target)) {
+                        this.activeItem = null;
+                        this.unbindDocumentClickListener();
+                    }
+                };
+
+                document.addEventListener('click', this.documentClickListener);
+            }
+        },
+        unbindDocumentClickListener() {
+            if (this.documentClickListener) {
+                document.removeEventListener('click', this.documentClickListener);
+                this.documentClickListener = null;
+            }
+        },
+        getSubmenuIcon(item) {
+            return [
+                'p-submenu-icon pi pi-fw', {'pi-caret-right': !this.root, 'pi-caret-down': this.root}
+            ];
+        }
+    },
+    computed: {
+        containerClass() {
+            return {'p-submenu-list': !this.root, 'p-menubar-root-list': this.root};
+        }
+    }
+}
+</script>
\ No newline at end of file
diff --git a/src/main.js b/src/main.js
index ec861617b..ce0f97e4b 100644
--- a/src/main.js
+++ b/src/main.js
@@ -29,6 +29,7 @@ import InputSwitch from './components/inputswitch/InputSwitch';
 import InputText from './components/inputtext/InputText';
 import Listbox from './components/listbox/Listbox';
 import Menu from './components/menu/Menu';
+import Menubar from './components/menubar/Menubar';
 import Message from './components/message/Message';
 import MultiSelect from './components/multiselect/MultiSelect';
 import OrderList from './components/orderlist/OrderList';
@@ -104,6 +105,7 @@ Vue.component('InputSwitch', InputSwitch);
 Vue.component('InputText', InputText);
 Vue.component('Listbox', Listbox);
 Vue.component('Menu', Menu);
+Vue.component('Menubar', Menubar);
 Vue.component('Message', Message);
 Vue.component('MultiSelect', MultiSelect);
 Vue.component('OrderList', OrderList);
diff --git a/src/router.js b/src/router.js
index 18dc0dc0c..25a4b8262 100644
--- a/src/router.js
+++ b/src/router.js
@@ -296,6 +296,11 @@ export default new Router({
 			name: 'menu',
 			component: () => import('./views/menu/MenuDemo.vue')
         },
+        {
+			path: '/menubar',
+			name: 'menubar',
+			component: () => import('./views/menubar/MenubarDemo.vue')
+        },
         {
 			path: '/menumodel',
 			name: 'menumodel',
diff --git a/src/views/menubar/MenubarDemo.vue b/src/views/menubar/MenubarDemo.vue
new file mode 100644
index 000000000..20d5d9e4f
--- /dev/null
+++ b/src/views/menubar/MenubarDemo.vue
@@ -0,0 +1,161 @@
+<template>
+    <div>
+        <div class="content-section introduction">
+            <div class="feature-intro">
+                <h1>Menubar</h1>
+                <p>Menubar is a horizontal menu component.</p>
+            </div>
+        </div>
+
+        <div class="content-section implementation">
+            <Menubar :model="items">
+                <InputText placeholder="Search" type="text" />
+                <Button label="Logout" icon="pi pi-power-off" :style="{'margin-left': '.25em'}"/>
+            </Menubar>
+        </div>
+
+        <MenubarDoc />
+    </div>
+</template>
+
+<script>
+import MenubarDoc from './MenubarDoc';
+
+export default {
+    data() {
+        return {
+            items: [
+                {
+                   label:'File',
+                   icon:'pi pi-fw pi-file',
+                   items:[
+                      {
+                         label:'New',
+                         icon:'pi pi-fw pi-plus',
+                         items:[
+                            {
+                               label:'Bookmark',
+                               icon:'pi pi-fw pi-bookmark'
+                            },
+                            {
+                               label:'Video',
+                               icon:'pi pi-fw pi-video'
+                            },
+
+                         ]
+                      },
+                      {
+                         label:'Delete',
+                         icon:'pi pi-fw pi-trash'
+                      },
+                      {
+                         separator:true
+                      },
+                      {
+                         label:'Export',
+                         icon:'pi pi-fw pi-external-link'
+                      }
+                   ]
+                },
+                {
+                   label:'Edit',
+                   icon:'pi pi-fw pi-pencil',
+                   items:[
+                      {
+                         label:'Left',
+                         icon:'pi pi-fw pi-align-left'
+                      },
+                      {
+                         label:'Right',
+                         icon:'pi pi-fw pi-align-right'
+                      },
+                      {
+                         label:'Center',
+                         icon:'pi pi-fw pi-align-center'
+                      },
+                      {
+                         label:'Justify',
+                         icon:'pi pi-fw pi-align-justify'
+                      },
+
+                   ]
+                },
+                {
+                   label:'Users',
+                   icon:'pi pi-fw pi-user',
+                   items:[
+                      {
+                         label:'New',
+                         icon:'pi pi-fw pi-user-plus',
+
+                      },
+                      {
+                         label:'Delete',
+                         icon:'pi pi-fw pi-user-minus',
+
+                      },
+                      {
+                         label:'Search',
+                         icon:'pi pi-fw pi-users',
+                         items:[
+                            {
+                               label:'Filter',
+                               icon:'pi pi-fw pi-filter',
+                               items:[
+                                  {
+                                     label:'Print',
+                                     icon:'pi pi-fw pi-print'
+                                  }
+                               ]
+                            },
+                            {
+                               icon:'pi pi-fw pi-bars',
+                               label:'List'
+                            }
+                         ]
+                      }
+                   ]
+                },
+                {
+                   label:'Events',
+                   icon:'pi pi-fw pi-calendar',
+                   items:[
+                      {
+                         label:'Edit',
+                         icon:'pi pi-fw pi-pencil',
+                         items:[
+                            {
+                               label:'Save',
+                               icon:'pi pi-fw pi-calendar-plus'
+                            },
+                            {
+                               label:'Delete',
+                               icon:'pi pi-fw pi-calendar-minus'
+                            },
+
+                         ]
+                      },
+                      {
+                         label:'Archieve',
+                         icon:'pi pi-fw pi-calendar-times',
+                         items:[
+                            {
+                               label:'Remove',
+                               icon:'pi pi-fw pi-calendar-minus'
+                            }
+                         ]
+                      }
+                   ]
+                },
+                {
+                   label:'Quit',
+                   icon:'pi pi-fw pi-power-off'
+                }
+             ]
+        }
+    },
+    components: {
+        'MenubarDoc': MenubarDoc
+	}
+}
+</script>
\ No newline at end of file
diff --git a/src/views/menubar/MenubarDoc.vue b/src/views/menubar/MenubarDoc.vue
new file mode 100644
index 000000000..71f37fe31
--- /dev/null
+++ b/src/views/menubar/MenubarDoc.vue
@@ -0,0 +1,456 @@
+<template>
+	<div class="content-section documentation">
+		<TabView>
+			<TabPanel header="Documentation">
+				<h3>Import</h3>
+<CodeHighlight lang="javascript">
+import TieredMenu from 'primevue/menu';
+</CodeHighlight>
+
+                <h3>MenuModel</h3>
+                <p>TieredMenu uses the common MenuModel API to define the items, visit <router-link to="/menumodel">MenuModel API</router-link> for details.</p>
+
+				<h3>Getting Started</h3>
+				<p>TieredMenu requires a collection of menuitems as its model.</p>
+<CodeHighlight>
+&lt;TieredMenu :model="items" /&gt;
+</CodeHighlight>
+
+<CodeHighlight lang="js">
+export default {
+    data() {
+        return {
+            items: [
+                {
+                   label:'File',
+                   icon:'pi pi-fw pi-file',
+                   items:[
+                      {
+                         label:'New',
+                         icon:'pi pi-fw pi-plus',
+                         items:[
+                            {
+                               label:'Bookmark',
+                               icon:'pi pi-fw pi-bookmark'
+                            },
+                            {
+                               label:'Video',
+                               icon:'pi pi-fw pi-video'
+                            },
+
+                         ]
+                      },
+                      {
+                         label:'Delete',
+                         icon:'pi pi-fw pi-trash'
+                      },
+                      {
+                         separator:true
+                      },
+                      {
+                         label:'Export',
+                         icon:'pi pi-fw pi-external-link'
+                      }
+                   ]
+                },
+                {
+                   label:'Edit',
+                   icon:'pi pi-fw pi-pencil',
+                   items:[
+                      {
+                         label:'Left',
+                         icon:'pi pi-fw pi-align-left'
+                      },
+                      {
+                         label:'Right',
+                         icon:'pi pi-fw pi-align-right'
+                      },
+                      {
+                         label:'Center',
+                         icon:'pi pi-fw pi-align-center'
+                      },
+                      {
+                         label:'Justify',
+                         icon:'pi pi-fw pi-align-justify'
+                      },
+
+                   ]
+                },
+                {
+                   label:'Users',
+                   icon:'pi pi-fw pi-user',
+                   items:[
+                      {
+                         label:'New',
+                         icon:'pi pi-fw pi-user-plus',
+
+                      },
+                      {
+                         label:'Delete',
+                         icon:'pi pi-fw pi-user-minus',
+
+                      },
+                      {
+                         label:'Search',
+                         icon:'pi pi-fw pi-users',
+                         items:[
+                            {
+                               label:'Filter',
+                               icon:'pi pi-fw pi-filter',
+                               items:[
+                                  {
+                                     label:'Print',
+                                     icon:'pi pi-fw pi-print'
+                                  }
+                               ]
+                            },
+                            {
+                               icon:'pi pi-fw pi-bars',
+                               label:'List'
+                            }
+                         ]
+                      }
+                   ]
+                },
+                {
+                   label:'Events',
+                   icon:'pi pi-fw pi-calendar',
+                   items:[
+                      {
+                         label:'Edit',
+                         icon:'pi pi-fw pi-pencil',
+                         items:[
+                            {
+                               label:'Save',
+                               icon:'pi pi-fw pi-calendar-plus'
+                            },
+                            {
+                               label:'Delete',
+                               icon:'pi pi-fw pi-calendar-minus'
+                            },
+
+                         ]
+                      },
+                      {
+                         label:'Archieve',
+                         icon:'pi pi-fw pi-calendar-times',
+                         items:[
+                            {
+                               label:'Remove',
+                               icon:'pi pi-fw pi-calendar-minus'
+                            }
+                         ]
+                      }
+                   ]
+                },
+                {
+                   separator:true
+                },
+                {
+                   label:'Quit',
+                   icon:'pi pi-fw pi-power-off'
+                }
+             ]
+        }
+    }
+}
+</CodeHighlight>
+
+                <h3>Popup Mode</h3>
+                <p>TieredMenu is inline by default whereas popup mode is supported by enabling popup property and calling toggle method with an event of the target.</p>
+
+<CodeHighlight>
+&lt;Button type="button" label="Toggle" @click="toggle" /&gt;
+&lt;TieredMenu ref="menu" :model="items" :popup="true" /&gt;
+</CodeHighlight>
+
+<CodeHighlight lang="js">
+toggle(event) {
+    this.$refs.menu.toggle(event);
+}
+</CodeHighlight>
+
+                <h3>Properties</h3>
+                <p>Any attribute such as style and class are passed to the main container element. Following are the additional properties to configure the component.</p>
+				<div class="doc-tablewrapper">
+					<table class="doc-table">
+						<thead>
+                            <tr>
+                                <th>Name</th>
+                                <th>Type</th>
+                                <th>Default</th>
+                                <th>Description</th>
+                            </tr>
+						</thead>
+						<tbody>
+                            <tr>
+                                <td>model</td>
+                                <td>array</td>
+                                <td>null</td>
+                                <td>An array of menuitems.</td>
+                            </tr>
+                            <tr>
+                                <td>popup</td>
+                                <td>boolean</td>
+                                <td>false</td>
+                                <td>Defines if menu would displayed as a popup.</td>
+                            </tr>
+                            <tr>
+                                <td>appendTo</td>
+                                <td>string</td>
+                                <td>null</td>
+                                <td>DOM element instance where the dialog should be mounted.</td>
+                            </tr>
+                            <tr>
+                                <td>baseZIndex</td>
+                                <td>number</td>
+                                <td>0</td>
+                                <td>Base zIndex value to use in layering.</td>
+                            </tr>
+                            <tr>
+                                <td>autoZIndex</td>
+                                <td>boolean</td>
+                                <td>true</td>
+                                <td>Whether to automatically manage layering.</td>
+                            </tr>
+						</tbody>
+					</table>
+				</div>
+
+				<h3>Methods</h3>
+				<div class="doc-tablewrapper">
+					<table class="doc-table">
+						<thead>
+                            <tr>
+                                <th>Name</th>
+                                <th>Parameters</th>
+                                <th>Description</th>
+                            </tr>
+						</thead>
+						<tbody>
+                            <tr>
+                                <td>toggle</td>
+                                <td>event: Browser event</td>
+                                <td>Toggles the visiblity of the overlay.</td>
+                            </tr>
+                            <tr>
+                                <td>show</td>
+                                <td>event: Browser event <br />
+                                    target: Optional target if event.target would not be used</td>
+                                <td>Shows the overlay.</td>
+                            </tr>
+                            <tr>
+                                <td>hide</td>
+                                <td>-</td>
+                                <td>Hides the overlay.</td>
+                            </tr>
+						</tbody>
+					</table>
+				</div>
+
+				<h3>Styling</h3>
+				<p>Following is the list of structural style classes, for theming classes visit <router-link to="/theming">theming</router-link> page.</p>
+				<div class="doc-tablewrapper">
+					<table class="doc-table">
+						<thead>
+                            <tr>
+                                <th>Name</th>
+                                <th>Element</th>
+                            </tr>
+						</thead>
+						<tbody>
+                            <tr>
+                                <td>p-tieredmenu</td>
+                                <td>Container element.</td>
+                            </tr>
+                            <tr>
+                                <td>p-menu-list</td>
+                                <td>List element.</td>
+                            </tr>
+                            <tr>
+                                <td>p-menuitem</td>
+                                <td>Menuitem element.</td>
+                            </tr>
+                            <tr>
+                                <td>p-menuitem-text</td>
+                                <td>Label of a menuitem.</td>
+                            </tr>
+                            <tr>
+                                <td>p-menuitem-icon</td>
+                                <td>Icon of a menuitem.</td>
+                            </tr>
+                            <tr>
+                                <td>p-submenu-icon</td>
+                                <td>Arrow icon of a submenu.</td>
+                            </tr>
+						</tbody>
+					</table>
+				</div>
+
+				<h3>Dependencies</h3>
+				<p>None.</p>
+			</TabPanel>
+
+			<TabPanel header="Source">
+				<a href="https://github.com/primefaces/primevue/tree/master/src/views/tieredmenu" class="btn-viewsource" target="_blank" rel="noopener noreferrer">
+					<span>View on GitHub</span>
+				</a>
+<CodeHighlight>
+<template v-pre>
+&lt;h3&gt;Inline&lt;/h3&gt;
+&lt;TieredMenu :model="items" /&gt;
+
+&lt;h3&gt;Overlay&lt;/h3&gt;
+&lt;Button type="button" label="Toggle" @click="toggle" /&gt;
+&lt;TieredMenu ref="menu" :model="items" :popup="true" /&gt;
+</template>
+</CodeHighlight>
+
+<CodeHighlight lang="javascript">
+export default {
+    data() {
+        return {
+            items: [
+                {
+                   label:'File',
+                   icon:'pi pi-fw pi-file',
+                   items:[
+                      {
+                         label:'New',
+                         icon:'pi pi-fw pi-plus',
+                         items:[
+                            {
+                               label:'Bookmark',
+                               icon:'pi pi-fw pi-bookmark'
+                            },
+                            {
+                               label:'Video',
+                               icon:'pi pi-fw pi-video'
+                            },
+
+                         ]
+                      },
+                      {
+                         label:'Delete',
+                         icon:'pi pi-fw pi-trash'
+                      },
+                      {
+                         separator:true
+                      },
+                      {
+                         label:'Export',
+                         icon:'pi pi-fw pi-external-link'
+                      }
+                   ]
+                },
+                {
+                   label:'Edit',
+                   icon:'pi pi-fw pi-pencil',
+                   items:[
+                      {
+                         label:'Left',
+                         icon:'pi pi-fw pi-align-left'
+                      },
+                      {
+                         label:'Right',
+                         icon:'pi pi-fw pi-align-right'
+                      },
+                      {
+                         label:'Center',
+                         icon:'pi pi-fw pi-align-center'
+                      },
+                      {
+                         label:'Justify',
+                         icon:'pi pi-fw pi-align-justify'
+                      },
+
+                   ]
+                },
+                {
+                   label:'Users',
+                   icon:'pi pi-fw pi-user',
+                   items:[
+                      {
+                         label:'New',
+                         icon:'pi pi-fw pi-user-plus',
+
+                      },
+                      {
+                         label:'Delete',
+                         icon:'pi pi-fw pi-user-minus',
+
+                      },
+                      {
+                         label:'Search',
+                         icon:'pi pi-fw pi-users',
+                         items:[
+                            {
+                               label:'Filter',
+                               icon:'pi pi-fw pi-filter',
+                               items:[
+                                  {
+                                     label:'Print',
+                                     icon:'pi pi-fw pi-print'
+                                  }
+                               ]
+                            },
+                            {
+                               icon:'pi pi-fw pi-bars',
+                               label:'List'
+                            }
+                         ]
+                      }
+                   ]
+                },
+                {
+                   label:'Events',
+                   icon:'pi pi-fw pi-calendar',
+                   items:[
+                      {
+                         label:'Edit',
+                         icon:'pi pi-fw pi-pencil',
+                         items:[
+                            {
+                               label:'Save',
+                               icon:'pi pi-fw pi-calendar-plus'
+                            },
+                            {
+                               label:'Delete',
+                               icon:'pi pi-fw pi-calendar-minus'
+                            },
+
+                         ]
+                      },
+                      {
+                         label:'Archieve',
+                         icon:'pi pi-fw pi-calendar-times',
+                         items:[
+                            {
+                               label:'Remove',
+                               icon:'pi pi-fw pi-calendar-minus'
+                            }
+                         ]
+                      }
+                   ]
+                },
+                {
+                   separator:true
+                },
+                {
+                   label:'Quit',
+                   icon:'pi pi-fw pi-power-off'
+                }
+             ]
+        }
+    },
+    methods: {
+        toggle(event) {
+            this.$refs.menu.toggle(event);
+        }
+    }
+}
+</CodeHighlight>
+			</TabPanel>
+		</TabView>
+	</div>
+</template>
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