wip

src/components/tools/DonationCreate.svelte

@@ -8,6 +8,17 @@
 	import Select from "svelte-select";
 	import toast from "svelte-french-toast";
 	import { onMount } from "svelte";
+	import VirtualSelect from "./VirtualSelect.svelte";
+
+  // 
+  let options = ["Bulbasaur","Ivysaur","Venusaur","Charmander","Charmeleon","Charizard","Squirtle","Wartortle","Blastoise","Caterpie","Metapod","Butterfree","Weedle","Kakuna","Beedrill","Pidgey","Pidgeotto","Pidgeot","Rattata","Raticate","Spearow","Fearow","Ekans","Arbok","Pikachu","Raichu","Sandshrew","Sandslash","Nidoran♀","Nidorina","Nidoqueen","Nidoran♂","Nidorino","Nidoking","Clefairy","Clefable","Vulpix","Ninetales","Jigglypuff","Wigglytuff","Zubat","Golbat","Oddish","Gloom","Vileplume","Paras","Parasect","Venonat","Venomoth","Diglett","Dugtrio","Meowth","Persian","Psyduck","Golduck","Mankey","Primeape","Growlithe","Arcanine","Poliwag","Poliwhirl","Poliwrath","Abra","Kadabra","Alakazam","Machop","Machoke","Machamp","Bellsprout","Weepinbell","Victreebel","Tentacool","Tentacruel","Geodude","Graveler","Golem","Ponyta","Rapidash","Slowpoke","Slowbro","Magnemite","Magneton","Farfetch'd","Doduo","Dodrio","Seel","Dewgong","Grimer","Muk","Shellder","Cloyster","Gastly","Haunter","Gengar","Onix","Drowzee","Hypno","Krabby","Kingler","Voltorb","Electrode","Exeggcute","Exeggutor","Cubone","Marowak","Hitmonlee","Hitmonchan","Lickitung","Koffing","Weezing","Rhyhorn","Rhydon","Chansey","Tangela","Kangaskhan","Horsea","Seadra","Goldeen","Seaking","Staryu","Starmie","Mr. Mime","Scyther","Jynx","Electabuzz","Magmar","Pinsir","Tauros","Magikarp","Gyarados","Lapras","Ditto","Eevee","Vaporeon","Jolteon","Flareon","Porygon","Omanyte","Omastar","Kabuto","Kabutops","Aerodactyl","Snorlax","Articuno","Zapdos","Moltres","Dratini","Dragonair","Dragonite","Mewtwo","Mew","Chikorita","Bayleef","Meganium","Cyndaquil","Quilava","Typhlosion","Totodile","Croconaw","Feraligatr","Sentret","Furret","Hoothoot","Noctowl","Ledyba","Ledian","Spinarak","Ariados","Crobat","Chinchou","Lanturn","Pichu","Cleffa","Igglybuff","Togepi","Togetic","Natu","Xatu","Mareep","Flaaffy","Ampharos","Bellossom","Marill","Azumarill","Sudowoodo","Politoed","Hoppip","Skiploom","Jumpluff","Aipom","Sunkern","Sunflora","Yanma","Wooper","Quagsire","Espeon","Umbreon","Murkrow","Slowking","Misdreavus","Unown","Wobbuffet","Girafarig","Pineco","Forretress","Dunsparce","Gligar","Steelix","Snubbull","Granbull","Qwilfish","Scizor","Shuckle","Heracross","Sneasel","Teddiursa","Ursaring","Slugma","Magcargo","Swinub","Piloswine","Corsola","Remoraid","Octillery","Delibird","Mantine","Skarmory","Houndour","Houndoom"];
+  let selectedOption;
+
+  function handleSelect(event) {
+    selectedOption = event.detail;
+    console.log('Selected:', selectedOption);
+  }
+  // 
 
 	let runners = [];
 	let donors = [];
@@ -53,7 +64,14 @@
 	loadDonors();
 
 	const getRunnerLabel = (option) =>
-    option.firstname + " " + (option.middlename || "") + " " + option.lastname+" [#"+option.id+"]";
+		option.firstname +
+		" " +
+		(option.middlename || "") +
+		" " +
+		option.lastname +
+		" [#" +
+		option.id +
+		"]";
 
 	const filterRunners = (label, filterText, option) => {
 		if (filterText.startsWith("#")) {
@@ -72,14 +90,14 @@
 		address_checked = false;
 		donor_create_new = false;
 		const clears = document.querySelectorAll(".clearSelect");
-    clears.forEach(c => {
+		clears.forEach((c) => {
 			c.click();
 		});
 	}
 
 	onMount(() => {
 		document.querySelector("#wrapper_runner_select input").focus();
-  })
+	});
 </script>
 
 <div class="p-4">
@@ -98,6 +116,18 @@
 				</div>
 			{/if}
 
+			<!--  -->
+			<VirtualSelect
+				{options}
+				bind:selected={selectedOption}
+				placeholder="Search fruits..."
+				on:select={handleSelect}
+			/>
+			{#if selectedOption}
+				<p class="mt-4 text-lg">Selected: {selectedOption}</p>
+			{/if}
+			<!--  -->
+
 			<!-- Runner Selection -->
 			<div id="wrapper_runner_select">
 				<h4 class="text-xl font-semibold">{$_("runner")}</h4>
@@ -127,8 +157,7 @@
 						class:focus:border-red-500={!amount > 0}
 						class:focus:ring-red-500={!amount > 0}
 						bind:value={amount}
-            on:keydown={(e)=>
+						on:keydown={(e) => {
-            {
 							if (e.key === "Enter") {
 								e.preventDefault();
 								document.querySelector("#button_existing_donor").focus();
@@ -156,8 +185,7 @@
 				<div class="mb-2">
 					<div class="flex border rounded-md overflow-hidden shadow-sm">
 						<button
-            on:keydown={(e)=>
+							on:keydown={(e) => {
-            {
 								if (e.key === "ArrowRight") {
 									e.preventDefault();
 									document.querySelector("#button_new_donor").focus();
@@ -176,8 +204,7 @@
 							{$_("existing-donor")}
 						</button>
 						<button
-              on:keydown={(e)=>
+							on:keydown={(e) => {
-              {
 								if (e.key === "ArrowLeft") {
 									e.preventDefault();
 									document.querySelector("#button_existing_donor").focus();

src/components/tools/VirtualSelect.svelte

@@ -0,0 +1,235 @@
+<script>
+	import { createEventDispatcher, onMount } from "svelte";
+
+	// Props
+	export let options = [];
+	export let selected = null;
+	export let placeholder = "Search options...";
+
+	// Internal state
+	let searchTerm = "";
+	let filteredOptions = options;
+	let isOpen = false;
+	let container;
+	let visibleItems = [];
+	let startIndex = 0;
+	let itemHeight = 40; // Fixed height for each option (in pixels)
+	let visibleCount = 10; // Number of items to render (adjusted based on container height)
+	let focusedIndex = -1; // Track the focused option index (-1 means no focus)
+
+	const dispatch = createEventDispatcher();
+
+	// Filter options based on search term
+	$: {
+		filteredOptions = searchTerm
+			? options.filter((option) =>
+					option.toLowerCase().includes(searchTerm.toLowerCase())
+				)
+			: options;
+		// Reset scroll and focus when filtered options change
+		startIndex = 0;
+		focusedIndex = -1;
+		updateVisibleItems();
+	}
+
+	// Update visible items based on scroll position
+	function updateVisibleItems() {
+		if (!container) return;
+		const scrollTop = container.scrollTop;
+		startIndex = Math.floor(scrollTop / itemHeight);
+		const endIndex = Math.min(
+			startIndex + visibleCount,
+			filteredOptions.length
+		);
+		visibleItems = filteredOptions.slice(startIndex, endIndex);
+	}
+
+	// Handle scroll event
+	function handleScroll() {
+		updateVisibleItems();
+	}
+
+	// Calculate visible item count based on container height
+	function updateVisibleCount() {
+		if (container) {
+			visibleCount = Math.ceil(container.clientHeight / itemHeight) + 2; // Buffer of 2 items
+			updateVisibleItems();
+		}
+	}
+
+	// Handle option selection
+	function selectOption(option) {
+		selected = option;
+		isOpen = false;
+		searchTerm = "";
+		focusedIndex = -1;
+		dispatch("onSelected", option);
+	}
+
+	// Toggle dropdown
+	function toggleDropdown() {
+		isOpen = !isOpen;
+		if (isOpen) {
+			// Update visible count when dropdown opens
+			setTimeout(updateVisibleCount, 0); // Ensure container is rendered
+			focusedIndex = -1; // Reset focus when opening
+		}
+	}
+
+	// Handle click outside to close dropdown
+	function handleClickOutside(event) {
+		if (!event.target.closest(".select-container")) {
+			isOpen = false;
+			focusedIndex = -1;
+		}
+	}
+
+	// Handle input focus to open dropdown
+	function handleInputFocus() {
+		isOpen = true;
+	}
+
+	// Handle keyboard navigation
+	function handleKeydown(event, index) {
+		if (!isOpen) return;
+
+		if (event.key === "ArrowDown") {
+			event.preventDefault();
+			if (focusedIndex < filteredOptions.length - 1) {
+				focusedIndex += 1;
+				scrollToFocusedItem();
+			}
+		} else if (event.key === "ArrowUp") {
+			event.preventDefault();
+			if (focusedIndex > 0) {
+				focusedIndex -= 1;
+				scrollToFocusedItem();
+			} else if (focusedIndex === -1 && filteredOptions.length > 0) {
+				focusedIndex = 0;
+				scrollToFocusedItem();
+			}
+		} else if (event.key === "Enter" && index >= 0) {
+			event.preventDefault();
+			selectOption(filteredOptions[index]);
+		}
+	}
+
+	// Scroll to the focused item
+	function scrollToFocusedItem() {
+		if (!container || focusedIndex < 0) return;
+
+		const itemTop = focusedIndex * itemHeight;
+		const itemBottom = itemTop + itemHeight;
+		const containerTop = container.scrollTop;
+		const containerBottom = containerTop + container.clientHeight;
+
+		if (itemTop < containerTop) {
+			container.scrollTop = itemTop;
+		} else if (itemBottom > containerBottom) {
+			container.scrollTop = itemBottom - container.clientHeight;
+		}
+		updateVisibleItems();
+	}
+
+	// Initialize container size observer
+	onMount(() => {
+		if (container) {
+			const resizeObserver = new ResizeObserver(updateVisibleCount);
+			resizeObserver.observe(container);
+			return () => resizeObserver.disconnect();
+		}
+	});
+</script>
+
+<svelte:window on:click={handleClickOutside} />
+
+<div class="select-container relative w-full">
+	<!-- Select element with inline search -->
+	<div
+		class="border rounded-md px-3 py-2 bg-white shadow-sm flex items-center"
+		role="combobox"
+		aria-expanded={isOpen}
+	>
+		<input
+			type="text"
+			bind:value={searchTerm}
+			placeholder={selected || placeholder}
+			class="w-full bg-transparent focus:outline-none text-gray-700"
+			on:focus={handleInputFocus}
+			on:keydown={(e) => {
+				if (e.key === "Enter" && !isOpen) {
+					toggleDropdown();
+				} else {
+					handleKeydown(e, focusedIndex);
+				}
+			}}
+			aria-label="Search and select an option"
+		/>
+		<svg
+			class="w-4 h-4 text-gray-500 transform {isOpen ? 'rotate-180' : ''}"
+			fill="none"
+			stroke="currentColor"
+			viewBox="0 0 24 24"
+			on:click={toggleDropdown}
+			role="button"
+			tabindex="0"
+			on:keydown={(e) => e.key === "Enter" && toggleDropdown()}
+			aria-label="Toggle dropdown"
+		>
+			<path
+				stroke-linecap="round"
+				stroke-linejoin="round"
+				stroke-width="2"
+				d="M19 9l-7 7-7-7"
+			/>
+		</svg>
+	</div>
+
+	<!-- Dropdown -->
+	{#if isOpen}
+		<div
+			class="absolute z-10 w-full mt-1 bg-white border rounded-md shadow-lg max-h-80 overflow-auto"
+			bind:this={container}
+			on:scroll={handleScroll}
+			role="listbox"
+		>
+			{#if filteredOptions.length > 0}
+				<!-- Virtualized list container -->
+				<div style="height: {filteredOptions.length * itemHeight}px;">
+					<div style="transform: translateY({startIndex * itemHeight}px);">
+						{#each visibleItems as item, i (item + "-" + (startIndex + i))}
+							<div
+								class="px-3 py-2 hover:bg-blue-100 cursor-pointer {selected ===
+								item
+									? 'bg-blue-50'
+									: ''} {focusedIndex === startIndex + i
+									? 'bg-blue-200 outline outline-2 outline-blue-500'
+									: ''}"
+								on:click={() => selectOption(item)}
+								on:keydown={(e) => handleKeydown(e, startIndex + i)}
+								role="option"
+								tabindex="0"
+								aria-selected={selected === item}
+							>
+								{item}
+							</div>
+						{/each}
+					</div>
+				</div>
+			{:else}
+				<div class="px-3 py-2 text-gray-500">No options found</div>
+			{/if}
+		</div>
+	{/if}
+</div>
+
+<style>
+	/* Ensure Tailwind classes handle additional styling */
+	:global(.select-container input:focus) {
+		border-color: #3b82f6; /* Tailwind's blue-500 */
+	}
+	:global([role="option"]:focus) {
+		outline: 2px solid #3b82f6;
+		outline-offset: -2px;
+	}
+</style>