generated from nhcarrigan/template
feat: pagination
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/**
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* @copyright 2026 NHCarrigan
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* @license Naomi's Public License
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* @author Naomi Carrigan
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*/
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import { Component, Input, Output, EventEmitter, computed } from '@angular/core';
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import { CommonModule } from '@angular/common';
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@Component({
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selector: 'app-pagination',
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standalone: true,
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imports: [CommonModule],
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template: `
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<div class="pagination-container">
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<div class="pagination-info">
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Showing {{ startItem() }} - {{ endItem() }} of {{ totalItems }} items
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</div>
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<div class="pagination-controls">
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<button
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(click)="onPageChange(1)"
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[disabled]="currentPage === 1"
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class="btn btn-sm pagination-btn"
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title="First page"
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>
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⟪
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</button>
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<button
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(click)="onPageChange(currentPage - 1)"
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[disabled]="currentPage === 1"
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class="btn btn-sm pagination-btn"
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title="Previous page"
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>
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←
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</button>
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<div class="page-numbers">
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@for (page of pageNumbers(); track page) {
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@if (page === '...') {
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<span class="page-ellipsis">{{ page }}</span>
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} @else {
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<button
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(click)="onPageChange(+page)"
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[class.active]="currentPage === +page"
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class="btn btn-sm pagination-btn page-number"
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>
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{{ page }}
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</button>
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}
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}
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</div>
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<button
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(click)="onPageChange(currentPage + 1)"
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[disabled]="currentPage === totalPages()"
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class="btn btn-sm pagination-btn"
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title="Next page"
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>
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→
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</button>
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<button
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(click)="onPageChange(totalPages())"
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[disabled]="currentPage === totalPages()"
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class="btn btn-sm pagination-btn"
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title="Last page"
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>
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⟫
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</button>
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</div>
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<div class="page-size-selector">
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<label for="page-size">Items per page:</label>
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<select
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id="page-size"
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[value]="pageSize"
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(change)="onPageSizeChange($event)"
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class="page-size-select"
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>
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<option value="10">10</option>
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<option value="25">25</option>
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<option value="50">50</option>
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<option value="100">100</option>
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</select>
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</div>
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</div>
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`,
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styles: [`
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.pagination-container {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 1rem 0;
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flex-wrap: wrap;
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gap: 1rem;
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}
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.pagination-info {
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color: var(--witch-plum);
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font-size: 0.9rem;
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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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gap: 0.5rem;
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}
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.pagination-btn {
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padding: 0.25rem 0.75rem;
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border: 1px solid var(--witch-lavender);
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background: var(--witch-moon);
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color: var(--witch-purple);
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border-radius: 4px;
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cursor: pointer;
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transition: all 0.2s;
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min-width: 2.5rem;
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}
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.pagination-btn:hover:not(:disabled) {
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background: var(--witch-lavender);
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border-color: var(--witch-mauve);
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transform: translateY(-1px);
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}
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.pagination-btn:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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.pagination-btn.active {
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background: #8b6f47;
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color: white;
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border-color: #8b6f47;
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}
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.page-numbers {
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display: flex;
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align-items: center;
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gap: 0.25rem;
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}
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.page-number {
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min-width: 2.5rem;
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}
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.page-ellipsis {
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padding: 0 0.5rem;
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color: var(--witch-mauve);
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}
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.page-size-selector {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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}
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.page-size-selector label {
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font-size: 0.9rem;
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color: var(--witch-plum);
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}
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.page-size-select {
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padding: 0.25rem 0.5rem;
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border: 2px solid var(--witch-lavender);
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border-radius: 4px;
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background: var(--witch-moon);
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color: var(--witch-purple);
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cursor: pointer;
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transition: border-color 0.2s;
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}
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.page-size-select:hover {
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border-color: var(--witch-mauve);
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}
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.page-size-select:focus {
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outline: none;
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border-color: var(--witch-rose);
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box-shadow: 0 0 0 3px rgba(168, 87, 126, 0.2);
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}
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@media (max-width: 768px) {
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.pagination-container {
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justify-content: center;
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}
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.pagination-controls {
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order: 2;
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width: 100%;
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justify-content: center;
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}
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.pagination-info {
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order: 1;
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width: 100%;
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text-align: center;
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}
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.page-size-selector {
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order: 3;
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width: 100%;
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justify-content: center;
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}
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}
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`]
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})
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export class PaginationComponent {
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@Input() currentPage = 1;
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@Input() pageSize = 25;
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@Input() totalItems = 0;
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@Output() pageChange = new EventEmitter<number>();
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@Output() pageSizeChange = new EventEmitter<number>();
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totalPages = computed(() => Math.ceil(this.totalItems / this.pageSize));
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startItem = computed(() => {
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if (this.totalItems === 0) return 0;
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return (this.currentPage - 1) * this.pageSize + 1;
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});
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endItem = computed(() => {
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return Math.min(this.currentPage * this.pageSize, this.totalItems);
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});
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pageNumbers = computed(() => {
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const total = this.totalPages();
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const current = this.currentPage;
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const pages: (number | string)[] = [];
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if (total <= 7) {
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// Show all pages if 7 or fewer
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for (let i = 1; i <= total; i++) {
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pages.push(i);
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}
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} else {
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// Always show first page
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pages.push(1);
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if (current <= 3) {
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// Near the beginning
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for (let i = 2; i <= 5; i++) {
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pages.push(i);
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}
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pages.push('...');
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pages.push(total);
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} else if (current >= total - 2) {
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// Near the end
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pages.push('...');
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for (let i = total - 4; i <= total; i++) {
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pages.push(i);
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}
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} else {
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// In the middle
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pages.push('...');
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pages.push(current - 1);
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pages.push(current);
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pages.push(current + 1);
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pages.push('...');
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pages.push(total);
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}
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}
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return pages;
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});
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onPageChange(page: number) {
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if (page >= 1 && page <= this.totalPages() && page !== this.currentPage) {
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this.pageChange.emit(page);
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}
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}
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onPageSizeChange(event: Event) {
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const target = event.target as HTMLSelectElement;
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const newSize = parseInt(target.value, 10);
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this.pageSizeChange.emit(newSize);
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}
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}
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