增加翻页
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@@ -0,0 +1,41 @@
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<script setup lang="ts">
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defineProps<{
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width?: string | number
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height?: string | number
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}>()
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</script>
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<template>
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<svg
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:width="width || 24"
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:height="height || 24"
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viewBox="0 0 24 24"
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fill="none"
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xmlns="http://www.w3.org/2000/svg"
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class="icon-arrow"
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>
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<path
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d="M15 19l-7-7 7-7"
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stroke="currentColor"
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stroke-width="2"
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stroke-linecap="round"
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stroke-linejoin="round"
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class="arrow-path"
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/>
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</svg>
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</template>
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<style scoped>
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.icon-arrow {
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overflow: visible;
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}
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.arrow-path {
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transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
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transform-origin: center;
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}
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.icon-arrow:hover .arrow-path {
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transform: translateX(-4px) scale(1.15);
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}
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</style>
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@@ -0,0 +1,41 @@
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<script setup lang="ts">
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defineProps<{
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width?: string | number
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height?: string | number
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}>()
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</script>
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<template>
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<svg
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:width="width || 24"
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:height="height || 24"
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viewBox="0 0 24 24"
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fill="none"
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xmlns="http://www.w3.org/2000/svg"
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class="icon-arrow"
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>
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<path
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d="M9 5l7 7-7 7"
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stroke="currentColor"
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stroke-width="2"
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stroke-linecap="round"
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stroke-linejoin="round"
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class="arrow-path"
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/>
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</svg>
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</template>
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<style scoped>
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.icon-arrow {
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overflow: visible;
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}
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.arrow-path {
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transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
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transform-origin: center;
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}
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.icon-arrow:hover .arrow-path {
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transform: translateX(4px) scale(1.15);
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}
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</style>
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@@ -1,7 +1,9 @@
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<script setup lang="ts">
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import { computed, ref, watch, onMounted, onUnmounted, nextTick } from 'vue';
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import { computed, ref, watch } from 'vue';
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import type { ExtendedPreset, PresetType } from '../../types';
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import IconPresetType from '../icons/IconPresetType.vue';
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import IconArrowLeft from '../icons/IconArrowLeft.vue';
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import IconArrowRight from '../icons/IconArrowRight.vue';
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const props = defineProps<{
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presets: ExtendedPreset[];
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@@ -17,72 +19,31 @@ const emit = defineEmits<{
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(e: 'toggle-favorite', preset: ExtendedPreset): void;
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}>();
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// Lazy Loading Logic
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const PAGE_SIZE = 20;
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const displayLimit = ref(PAGE_SIZE);
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// Pagination Logic
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const PAGE_SIZE = 24;
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const currentPage = ref(1);
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const containerRef = ref<HTMLElement | null>(null);
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const sentinelRef = ref<HTMLElement | null>(null);
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let observer: IntersectionObserver | null = null;
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const totalPages = computed(() => Math.ceil(props.presets.length / PAGE_SIZE));
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const displayedPresets = computed(() => {
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return props.presets.slice(0, displayLimit.value);
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const start = (currentPage.value - 1) * PAGE_SIZE;
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const end = start + PAGE_SIZE;
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return props.presets.slice(start, end);
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});
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watch(() => props.presets, () => {
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displayLimit.value = PAGE_SIZE;
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currentPage.value = 1;
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if (containerRef.value) {
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containerRef.value.scrollTop = 0;
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}
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// Reset observer if needed, but the sentinel remains or is recreated
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nextTick(() => {
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checkIntersection();
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});
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});
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function checkIntersection() {
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if (observer && sentinelRef.value) {
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// Re-observe just in case
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observer.disconnect();
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observer.observe(sentinelRef.value);
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}
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}
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onMounted(() => {
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observer = new IntersectionObserver((entries) => {
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if (entries[0] && entries[0].isIntersecting) {
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loadMore();
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}
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}, {
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root: containerRef.value,
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rootMargin: '200px',
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threshold: 0.1
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});
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if (sentinelRef.value) {
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observer.observe(sentinelRef.value);
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}
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});
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onUnmounted(() => {
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if (observer) {
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observer.disconnect();
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observer = null;
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}
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});
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// Watch sentinel ref changes (e.g. when switching from empty to having presets)
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watch(sentinelRef, (newEl) => {
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if (observer) {
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observer.disconnect();
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if (newEl) {
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observer.observe(newEl);
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}
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}
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});
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function loadMore() {
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if (displayLimit.value < props.presets.length) {
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displayLimit.value += PAGE_SIZE;
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function changePage(page: number) {
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if (page < 1 || page > totalPages.value) return;
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currentPage.value = page;
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if (containerRef.value) {
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containerRef.value.scrollTop = 0;
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}
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}
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@@ -190,7 +151,29 @@ function formatDate(dateStr: string) {
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</div>
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</div>
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</div>
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<div ref="sentinelRef" class="sentinel" style="height: 20px; width: 100%;"></div>
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<div v-if="totalPages > 1" class="pagination-controls">
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<button
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:disabled="currentPage === 1"
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@click="changePage(currentPage - 1)"
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class="page-btn nav-btn prev-page"
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>
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<IconArrowLeft width="16" height="16" />
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</button>
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<div class="page-numbers">
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<span class="page-info">第 {{ currentPage }} 页 / 共 {{ totalPages }} 页</span>
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<span class="total-count">({{ presets.length }} 个预设)</span>
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</div>
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<button
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:disabled="currentPage === totalPages"
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@click="changePage(currentPage + 1)"
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class="page-btn nav-btn next-page"
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>
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<IconArrowRight width="16" height="16" />
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</button>
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</div>
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</template>
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</div>
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</template>
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@@ -201,9 +184,12 @@ function formatDate(dateStr: string) {
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height: 100%;
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overflow-y: auto;
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scrollbar-gutter: stable;
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display: flex;
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flex-direction: column;
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}
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.empty-state {
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flex: 1;
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display: flex;
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flex-direction: column;
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align-items: center;
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@@ -451,4 +437,65 @@ function formatDate(dateStr: string) {
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padding: 0.125rem 0.375rem;
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border-radius: var(--radius-sm);
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}
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.pagination-controls {
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 1.5rem 0 0.5rem 0;
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gap: 1rem;
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margin-top: auto;
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}
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.page-btn {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 2.25rem;
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height: 2.25rem;
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border: 1px solid var(--color-border);
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background-color: var(--color-bg-secondary);
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color: var(--color-text-secondary);
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border-radius: var(--radius-md);
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cursor: pointer;
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transition: all 0.2s ease;
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}
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.page-btn:hover:not(:disabled) {
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background-color: var(--color-bg-tertiary);
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color: var(--color-text-primary);
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border-color: var(--color-border-hover);
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}
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.page-btn:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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background-color: var(--color-bg-primary);
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}
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.page-numbers {
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 0.125rem;
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}
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.page-info {
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font-size: 0.875rem;
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font-weight: 500;
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color: var(--color-text-primary);
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}
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.total-count {
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font-size: 0.75rem;
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color: var(--color-text-tertiary);
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}
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.prev-page:hover:not(:disabled) :deep(.arrow-path) {
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transform: translateX(-4px) scale(1.15);
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}
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.next-page:hover:not(:disabled) :deep(.arrow-path) {
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transform: translateX(4px) scale(1.15);
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}
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</style>
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