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jakobkordezjakobkordez
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Optimize /overview page with virtual scroll
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‎packages/client/pages/overview.vue

Lines changed: 87 additions & 78 deletions
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,8 @@
22
import { computed, nextTick, onMounted, reactive, ref } from 'vue'
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import { useHead } from '@unhead/vue'
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import type { ClicksContext, SlideRoute } from '@slidev/types'
5-
import { slidesTitle } from '../env'
5+
import { useVirtualList } from '@vueuse/core'
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import { slideAspect, slidesTitle } from '../env'
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import { getSlidePath } from '../logic/slides'
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import { createFixedClicks } from '../composables/useClicks'
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import { isColorSchemaConfigured, isDark, toggleDark } from '../logic/dark'
@@ -17,6 +18,8 @@ import { useNav } from '../composables/useNav'
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const cardWidth = 450
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const cardHeight = computed(() => cardWidth / slideAspect.value)
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useHead({ title: `Overview - ${slidesTitle}` })
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const { openInEditor, slides } = useNav()
@@ -28,6 +31,13 @@ const wordCounts = computed(() => slides.value.map(route => wordCount(route.meta
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const totalWords = computed(() => wordCounts.value.reduce((a, b) => a + b, 0))
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const totalClicks = computed(() => slides.value.map(route => getSlideClicks(route)).reduce((a, b) => a + b, 0))
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const { list: vList, containerProps, wrapperProps, scrollTo: scrollToSlide } = useVirtualList(
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slides,
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{
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itemHeight: cardHeight.value,
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},
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)
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const clicksContextMap = new WeakMap<SlideRoute, ClicksContext>()
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function getClicksContext(route: SlideRoute) {
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// We create a local clicks context to calculate the total clicks of the slide
@@ -45,6 +55,8 @@ function wordCount(str: string) {
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}
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function isElementInViewport(el: HTMLElement) {
58+
if (!el)
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return false
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const rect = el.getBoundingClientRect()
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const delta = 20
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return (
@@ -72,12 +84,6 @@ function openSlideInNewTab(path: string) {
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a.click()
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}
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75-
function scrollToSlide(idx: number) {
76-
const el = blocks.get(idx)
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if (el)
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el.scrollIntoView({ behavior: 'smooth', block: 'start' })
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}
80-
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function onMarkerClick(e: MouseEvent, clicks: number, route: SlideRoute) {
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const ctx = getClicksContext(route)
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if (ctx.current === clicks)
@@ -136,85 +142,88 @@ onMounted(() => {
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<main
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class="flex-1 h-full of-auto"
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:style="`grid-template-columns: repeat(auto-fit,minmax(${cardWidth}px,1fr))`"
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v-bind="containerProps"
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@scroll="checkActiveBlocks"
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>
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<div
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v-for="(route, idx) of slides"
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:key="route.no"
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:ref="el => blocks.set(idx, el as any)"
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class="relative border-t border-main of-hidden flex gap-4 min-h-50 group"
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:class="idx === 0 ? 'pt5' : ''"
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>
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<div class="select-none w-13 text-right my4 flex flex-col gap-1 items-end">
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<div class="text-3xl op20 mb2">
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{{ idx + 1 }}
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<div v-bind="wrapperProps">
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<div
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v-for="{ data: route, index: idx } of vList"
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:key="route.no"
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:ref="el => blocks.set(idx, el as any)"
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class="relative border-t border-main of-hidden flex gap-4 min-h-50 group"
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:class="idx === 0 ? 'pt5' : ''"
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>
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<div class="select-none w-13 text-right my4 flex flex-col gap-1 items-end">
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<div class="text-3xl op20 mb2">
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{{ idx + 1 }}
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</div>
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<IconButton
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class="mr--3 op0 group-hover:op80"
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title="Play in new tab"
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@click="openSlideInNewTab(getSlidePath(route, false))"
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>
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<carbon:presentation-file />
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</IconButton>
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<IconButton
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v-if="route.meta?.slide"
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class="mr--3 op0 group-hover:op80"
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title="Open in editor"
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@click="openInEditor(`${route.meta.slide.filepath}:${route.meta.slide.start}`)"
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>
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<carbon:cics-program />
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</IconButton>
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</div>
152-
<IconButton
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class="mr--3 op0 group-hover:op80"
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title="Play in new tab"
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@click="openSlideInNewTab(getSlidePath(route, false))"
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>
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<carbon:presentation-file />
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</IconButton>
159-
<IconButton
160-
v-if="route.meta?.slide"
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class="mr--3 op0 group-hover:op80"
162-
title="Open in editor"
163-
@click="openInEditor(`${route.meta.slide.filepath}:${route.meta.slide.start}`)"
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>
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<carbon:cics-program />
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</IconButton>
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</div>
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<div class="flex flex-col gap-2 my5">
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<div
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class="border rounded border-main overflow-hidden bg-main select-none h-max"
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@dblclick="openSlideInNewTab(getSlidePath(route, false))"
172-
>
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<SlideContainer
174-
:key="route.no"
175-
:width="cardWidth"
176-
class="pointer-events-none important:[&_*]:select-none"
176+
<div class="flex flex-col gap-2 my5">
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<div
178+
class="border rounded border-main overflow-hidden bg-main select-none h-max"
179+
@dblclick="openSlideInNewTab(getSlidePath(route, false))"
180+
>
181+
<SlideContainer
182+
:key="route.no"
183+
:width="cardWidth"
184+
class="pointer-events-none important:[&_*]:select-none"
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>
186+
<SlideWrapper
187+
:clicks-context="getClicksContext(route)"
188+
:route="route"
189+
render-context="overview"
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/>
191+
<DrawingPreview :page="route.no" />
192+
</SlideContainer>
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</div>
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<ClicksSlider
195+
v-if="getSlideClicks(route)"
196+
:clicks-context="getClicksContext(route)"
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class="w-full mt-2"
198+
@dblclick="getClicksContext(route).current = CLICKS_MAX"
199+
/>
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</div>
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<div class="py3 mt-0.5 mr--8 ml--4 op0 transition group-hover:op100">
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<IconButton
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title="Edit Note"
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class="rounded-full w-9 h-9 text-sm"
205+
:class="edittingNote === route.no ? 'important:op0' : ''"
206+
@click="edittingNote = route.no"
177207
>
178-
<SlideWrapper
179-
:clicks-context="getClicksContext(route)"
180-
:route="route"
181-
render-context="overview"
182-
/>
183-
<DrawingPreview :page="route.no" />
184-
</SlideContainer>
208+
<carbon:pen />
209+
</IconButton>
185210
</div>
186-
<ClicksSlider
187-
v-if="getSlideClicks(route)"
211+
<NoteEditable
212+
:no="route.no"
213+
class="max-w-250 w-250 text-lg rounded p3"
214+
:auto-height="true"
215+
:editing="edittingNote === route.no"
188216
:clicks-context="getClicksContext(route)"
189-
class="w-full mt-2"
190-
@dblclick="getClicksContext(route).current = CLICKS_MAX"
217+
@dblclick="edittingNote !== route.no ? edittingNote = route.no : null"
218+
@update:editing="edittingNote = null"
219+
@marker-click="(e, clicks) => onMarkerClick(e, clicks, route)"
191220
/>
192-
</div>
193-
<div class="py3 mt-0.5 mr--8 ml--4 op0 transition group-hover:op100">
194-
<IconButton
195-
title="Edit Note"
196-
class="rounded-full w-9 h-9 text-sm"
197-
:class="edittingNote === route.no ? 'important:op0' : ''"
198-
@click="edittingNote = route.no"
221+
<div
222+
v-if="wordCounts[idx] > 0"
223+
class="select-none absolute bottom-0 right-0 bg-main rounded-tl p2 op35 text-xs"
199224
>
200-
<carbon:pen />
201-
</IconButton>
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</div>
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<NoteEditable
204-
:no="route.no"
205-
class="max-w-250 w-250 text-lg rounded p3"
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:auto-height="true"
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:editing="edittingNote === route.no"
208-
:clicks-context="getClicksContext(route)"
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@dblclick="edittingNote !== route.no ? edittingNote = route.no : null"
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@update:editing="edittingNote = null"
211-
@marker-click="(e, clicks) => onMarkerClick(e, clicks, route)"
212-
/>
213-
<div
214-
v-if="wordCounts[idx] > 0"
215-
class="select-none absolute bottom-0 right-0 bg-main rounded-tl p2 op35 text-xs"
216-
>
217-
{{ wordCounts[idx] }} words
225+
{{ wordCounts[idx] }} words
226+
</div>
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</div>
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</div>
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</main>

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