121 lines
4.0 KiB
Vue
121 lines
4.0 KiB
Vue
<template>
|
|
<ul ref="nav" class="doc-section-nav">
|
|
<li v-for="doc of docs" :key="doc.label" :class="['navbar-item', { 'active-navbar-item': activeId === doc.id }]">
|
|
<div class="navbar-item-content">
|
|
<NuxtLink :to="`${checkRouteName}/#${doc.id}`">
|
|
<button class="p-link" @click="onButtonClick(doc)">{{ doc.label }}</button>
|
|
</NuxtLink>
|
|
</div>
|
|
|
|
<template v-if="doc.children">
|
|
<ul>
|
|
<li v-for="child of doc.children" :key="child.label" :class="['navbar-item', { 'active-navbar-item': activeId === child.id }]">
|
|
<div class="navbar-item-content">
|
|
<NuxtLink :to="`${checkRouteName}/#${child.id}`">
|
|
<button class="p-link" @click="onButtonClick(child)">
|
|
{{ child.label }}
|
|
</button>
|
|
</NuxtLink>
|
|
</div>
|
|
</li>
|
|
</ul>
|
|
</template>
|
|
</li>
|
|
</ul>
|
|
</template>
|
|
|
|
<script>
|
|
import { DomHandler, ObjectUtils } from 'primevue/utils';
|
|
|
|
export default {
|
|
props: ['docs'],
|
|
data() {
|
|
return {
|
|
activeId: null,
|
|
isScrollBlocked: false,
|
|
scrollEndTimer: null,
|
|
topbarHeight: 0
|
|
};
|
|
},
|
|
mounted() {
|
|
const hash = window.location.hash.substring(1);
|
|
const hasHash = ObjectUtils.isNotEmpty(hash);
|
|
const id = hasHash ? hash : (this.docs[0] || {}).id;
|
|
|
|
this.activeId = id;
|
|
hasHash &&
|
|
setTimeout(() => {
|
|
this.scrollToLabelById(id);
|
|
}, 1);
|
|
|
|
window.addEventListener('scroll', this.onScroll, { passive: true });
|
|
},
|
|
beforeUnmount() {
|
|
window.removeEventListener('scroll', this.onScroll, { passive: true });
|
|
},
|
|
methods: {
|
|
onScroll() {
|
|
if (!this.isScrollBlocked) {
|
|
const labels = document.querySelectorAll(':is(h1,h2,h3).doc-section-label');
|
|
const windowScrollTop = DomHandler.getWindowScrollTop();
|
|
|
|
labels.forEach((label) => {
|
|
const { top } = DomHandler.getOffset(label);
|
|
const threshold = this.getThreshold(label);
|
|
|
|
if (top - threshold <= windowScrollTop) {
|
|
const link = DomHandler.findSingle(label, 'a');
|
|
|
|
this.activeId = link.id;
|
|
}
|
|
});
|
|
}
|
|
|
|
clearTimeout(this.scrollEndTimer);
|
|
this.scrollEndTimer = setTimeout(() => {
|
|
this.isScrollBlocked = false;
|
|
|
|
const activeItem = DomHandler.findSingle(this.$refs.nav, '.active-navbar-item');
|
|
|
|
activeItem && activeItem.scrollIntoView({ block: 'nearest', inline: 'start' });
|
|
}, 50);
|
|
},
|
|
scrollToLabelById(id, behavior = 'smooth') {
|
|
const label = document.getElementById(id);
|
|
|
|
label && label.parentElement.scrollIntoView({ block: 'start', behavior });
|
|
},
|
|
onButtonClick(doc) {
|
|
this.activeId = doc.id;
|
|
setTimeout(() => {
|
|
this.scrollToLabelById(doc.id, 'smooth');
|
|
this.isScrollBlocked = true;
|
|
}, 1);
|
|
},
|
|
getThreshold(label) {
|
|
if (!this.topbarHeight) {
|
|
const topbar = DomHandler.findSingle(document.body, '.layout-topbar');
|
|
|
|
this.topbarHeight = topbar ? DomHandler.getHeight(topbar) : 0;
|
|
}
|
|
|
|
return this.topbarHeight + DomHandler.getHeight(label) * 1.5;
|
|
},
|
|
getIdOfTheSection(section) {
|
|
return section.querySelector('a').getAttribute('id');
|
|
}
|
|
},
|
|
computed: {
|
|
checkRouteName() {
|
|
const path = this.$router.currentRoute.value.path;
|
|
|
|
if (path.lastIndexOf('/') === path.length - 1) {
|
|
return path.slice(0, -1);
|
|
}
|
|
|
|
return path;
|
|
}
|
|
}
|
|
};
|
|
</script>
|