Implemented MegaMenu

pull/132/head
cagataycivici 2019-12-05 11:14:05 +03:00
parent c909888e56
commit ba96148172
2 changed files with 220 additions and 5 deletions

View File

@ -8,6 +8,29 @@
<span class="p-menuitem-text">{{category.label}}</span>
<span v-if="category.items" :class="getCategorySubMenuIcon(category)"></span>
</a>
<div class="p-megamenu-panel" v-if="category.items">
<div class="p-grid">
<div v-for="(column,columnIndex) of category.items" :key="category.label + '_column_' + columnIndex" :class="getColumnClassName(category)">
<ul v-for="(submenu,submenuIndex) of column" class="p-megamenu-submenu" :key="submenu.label + '_submenu_' + submenuIndex">
<li :class="getSubmenuHeaderClass(submenu)" :style="submenu.style">{{submenu.label}}</li>
<template v-for="(item, i) of submenu.items">
<li role="menuitem" :class="getSubmenuItemClass(item)" :style="item.style" v-if="item.visible !== false && !item.separator" :key="item.label + i">
<router-link v-if="item.to" :to="item.to" class="p-menuitem-link" @click.native="onLeafClick($event, item)">
<span :class="['p-menuitem-icon', item.icon]"></span>
<span class="p-menuitem-text">{{item.label}}</span>
</router-link>
<a v-else :href="item.url||'#'" class="p-menuitem-link" :target="item.target" @click="onLeafClick($event, item)">
<span :class="['p-menuitem-icon', item.icon]"></span>
<span class="p-menuitem-text">{{item.label}}</span>
<span :class="getSubmenuIcon()" v-if="item.items"></span>
</a>
</li>
<li class="p-menu-separator" :style="item.style" v-if="item.visible !== false && item.separator" :key="'separator' + i"></li>
</template>
</ul>
</div>
</div>
</div>
</li>
</ul>
<div class="p-menubar-custom" v-if="$slots.default">
@ -17,6 +40,8 @@
</template>
<script>
import DomHandler from '../utils/DomHandler';
export default {
props: {
model: {
@ -28,23 +53,156 @@ export default {
default: 'horizontal'
}
},
documentClickListener: null,
data() {
return {
activeItem: null
}
},
beforeDestroy() {
this.unbindDocumentClickListener();
},
methods: {
itemClick(event) {
onLeafClick(event, item) {
if (item.disabled) {
event.preventDefault();
return;
}
if (!item.url) {
event.preventDefault();
}
if (item.command) {
item.command({
originalEvent: event,
item: item
});
}
this.activeItem = null;
},
onCategoryMouseEnter(event, category) {
if (category.disabled) {
event.preventDefault();
return;
}
if (this.activeItem) {
this.activeItem = category;
}
},
onCategoryClick(event, category) {
if (category.disabled) {
event.preventDefault();
return;
}
if (!category.url) {
event.preventDefault();
}
if (category.command) {
category.command({
originalEvent: event,
item: category
});
}
if (category.items) {
if (this.activeItem && this.activeItem === category) {
this.activeItem = null;
this.unbindDocumentClickListener();
}
else {
this.activeItem = category;
this.bindDocumentClickListener();
}
}
},
onCategoryKeydown(event, category) {
let listItem = event.currentTarget.parentElement;
switch(event.which) {
//down
case 40:
if (this.horizontal)
this.expandMenu(category);
else
this.navigateToNextItem(listItem);
event.preventDefault();
break;
//up
case 38:
if (this.vertical)
this.navigateToPrevItem(listItem);
else if (category.items && category === this.activeItem)
this.collapseMenu();
event.preventDefault();
break;
//right
case 39:
if (this.horizontal)
this.navigateToNextItem(listItem);
else
this.expandMenu(category);
event.preventDefault()
break;
//left
case 37:
if (this.horizontal)
this.navigateToPrevItem(listItem);
else if (category.items && category === this.activeItem)
this.collapseMenu();
event.preventDefault();
break;
default:
break;
}
},
expandMenu(item) {
if (item.items) {
this.activeItem = item;
}
},
collapseMenu(item) {
this.activeItem = null;
},
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;
},
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();
}
},
getCategoryClass(category) {
return ['p-menuitem', {
@ -60,7 +218,60 @@ export default {
},
getCategoryIcon(category) {
return ['p-menuitem-icon', category.icon];
}
},
getColumnClassName(category) {
let length = category.items ? category.items.length: 0;
let columnClass;
switch(length) {
case 2:
columnClass= 'p-col-6';
break;
case 3:
columnClass= 'p-col-4';
break;
case 4:
columnClass= 'p-col-3';
break;
case 6:
columnClass= 'p-col-2';
break;
default:
columnClass= 'p-col-12';
break;
}
return columnClass;
},
getSubmenuHeaderClass(submenu) {
return ['p-megamenu-submenu-header', submenu.class, {'p-disabled': submenu.disabled}];
},
getSubmenuItemClass(item) {
return ['p-menuitem', item.class, {'p-disabled': item.disabled}];
},
bindDocumentClickListener() {
if (!this.documentClickListener) {
this.documentClickListener = (event) => {
console.log(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;
}
},
},
computed: {
containerClass() {

View File

@ -8,7 +8,11 @@
</div>
<div class="content-section implementation">
<h3>Horizontal</h3>
<MegaMenu :model="items" />
<h3>Vertical</h3>
<MegaMenu :model="items" orientation="vertical"/>
</div>
<MegaMenuDoc />
@ -126,7 +130,7 @@ export default {
],
[
{
label: 'Technology 4',
label: 'Setting 4',
items: [{label: 'Setting 4.1'}, {label: 'Setting 4.2'}]
}
]