primevue-mirror/components/contextmenu/ContextMenuSub.vue

178 lines
6.3 KiB
Vue
Executable File

<template>
<transition name="p-contextmenusub" @enter="onEnter">
<ul v-if="root ? true : parentActive" ref="container" :class="containerClass" role="menu">
<template v-for="(item, i) of model" :key="label(item) + i.toString()">
<li v-if="visible(item) && !item.separator" role="none" :class="getItemClass(item)" :style="item.style" @mouseenter="onItemMouseEnter($event, item)">
<template v-if="!template">
<router-link v-if="item.to && !disabled(item)" v-slot="{ navigate, href, isActive, isExactActive }" :to="item.to" custom>
<a v-ripple :href="href" @click="onItemClick($event, item, navigate)" :class="linkClass(item, { isActive, isExactActive })" role="menuitem">
<span v-if="item.icon" :class="['p-menuitem-icon', item.icon]"></span>
<span class="p-menuitem-text">{{ label(item) }}</span>
</a>
</router-link>
<a
v-else
v-ripple
:href="item.url"
:class="linkClass(item)"
:target="item.target"
@click="onItemClick($event, item)"
:aria-haspopup="item.items != null"
:aria-expanded="item === activeItem"
role="menuitem"
:tabindex="disabled(item) ? null : '0'"
>
<span v-if="item.icon" :class="['p-menuitem-icon', item.icon]"></span>
<span class="p-menuitem-text">{{ label(item) }}</span>
<span v-if="item.items" class="p-submenu-icon pi pi-angle-right"></span>
</a>
</template>
<component v-else :is="template" :item="item"></component>
<ContextMenuSub v-if="visible(item) && item.items" :key="label(item) + '_sub_'" :model="item.items" :template="template" @leaf-click="onLeafClick" :parentActive="item === activeItem" :exact="exact" />
</li>
<li v-if="visible(item) && item.separator" :key="'separator' + i.toString()" :class="['p-menu-separator', item.class]" :style="item.style" role="separator"></li>
</template>
</ul>
</transition>
</template>
<script>
import { DomHandler } from 'primevue/utils';
import Ripple from 'primevue/ripple';
export default {
name: 'ContextMenuSub',
emits: ['leaf-click'],
props: {
model: {
type: Array,
default: null
},
root: {
type: Boolean,
default: false
},
parentActive: {
type: Boolean,
default: false
},
template: {
type: Function,
default: null
},
exact: {
type: Boolean,
default: true
}
},
data() {
return {
activeItem: null
};
},
watch: {
parentActive(newValue) {
if (!newValue) {
this.activeItem = null;
}
}
},
methods: {
onItemMouseEnter(event, item) {
if (this.disabled(item)) {
event.preventDefault();
return;
}
this.activeItem = item;
},
onItemClick(event, item, navigate) {
if (this.disabled(item)) {
event.preventDefault();
return;
}
if (item.command) {
item.command({
originalEvent: event,
item: item
});
}
if (item.items) {
if (this.activeItem && item === this.activeItem) this.activeItem = null;
else this.activeItem = item;
}
if (!item.items) {
this.onLeafClick();
}
if (item.to && navigate) {
navigate(event);
}
},
onLeafClick() {
this.activeItem = null;
this.$emit('leaf-click');
},
onEnter() {
this.position();
},
position() {
const parentItem = this.$refs.container.parentElement;
const containerOffset = DomHandler.getOffset(this.$refs.container.parentElement);
const viewport = DomHandler.getViewport();
const sublistWidth = this.$refs.container.offsetParent ? this.$refs.container.offsetWidth : DomHandler.getHiddenElementOuterWidth(this.$refs.container);
const itemOuterWidth = DomHandler.getOuterWidth(parentItem.children[0]);
this.$refs.container.style.top = '0px';
if (parseInt(containerOffset.left, 10) + itemOuterWidth + sublistWidth > viewport.width - DomHandler.calculateScrollbarWidth()) {
this.$refs.container.style.left = -1 * sublistWidth + 'px';
} else {
this.$refs.container.style.left = itemOuterWidth + 'px';
}
},
getItemClass(item) {
return [
'p-menuitem',
item.class,
{
'p-menuitem-active': this.activeItem === item
}
];
},
linkClass(item, routerProps) {
return [
'p-menuitem-link',
{
'p-disabled': this.disabled(item),
'router-link-active': routerProps && routerProps.isActive,
'router-link-active-exact': this.exact && routerProps && routerProps.isExactActive
}
];
},
visible(item) {
return typeof item.visible === 'function' ? item.visible() : item.visible !== false;
},
disabled(item) {
return typeof item.disabled === 'function' ? item.disabled() : item.disabled;
},
label(item) {
return typeof item.label === 'function' ? item.label() : item.label;
}
},
computed: {
containerClass() {
return { 'p-submenu-list': !this.root };
}
},
directives: {
ripple: Ripple
}
};
</script>