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Select.svelte
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Select.svelte
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<script>
import { createEventDispatcher, onMount } from "svelte";
import { quadOut, quadIn } from "svelte/easing";
import List from "../List/List.svelte";
import TextField from "../TextField";
import { ClassBuilder } from "../../utils/classes.js";
import { hideListAction } from '../../utils/hide-list-action';
const optionsClassesDefault = "absolute left-0 bg-white rounded shadow w-full z-20 dark:bg-dark-500";
const classesDefault = "cursor-pointer relative pb-4";
const noop = i => i;
export let items = [];
export let value = "";
export const text = "";
export let label = "";
let selectedLabelProp = undefined;
export { selectedLabelProp as selectedLabel };
export let color = "primary";
export let outlined = false;
export let placeholder = "";
export let hint = "";
export let error = false;
export let append = "arrow_drop_down";
export let dense = false;
export let persistentHint = false;
export let autocomplete = false;
export let noUnderline = false;
export let showList = false;
export let classes = classesDefault;
export let optionsClasses = optionsClassesDefault;
export let inputWrapperClasses = noop;
export let appendClasses = noop;
export let labelClasses = noop;
export let inputClasses = noop;
export let prependClasses = noop;
export let listClasses = noop;
export let selectedClasses = noop;
export let itemClasses = noop;
export let add = "";
export let remove = "";
export let replace = "";
let itemsProcessed = [];
function process(it) {
return it.map(i => typeof i !== "object"
? ({ value: i, text: i })
: i);
}
$: itemsProcessed = process(items);
const dispatch = createEventDispatcher();
let selectedLabel = '';
$: {
if (selectedLabelProp !== undefined) {
selectedLabel = selectedLabelProp;
} else if (value !== undefined) {
let selectedItem = itemsProcessed.find(i => i.value === value);
selectedLabel = selectedItem ? selectedItem.text : '';
} else {
selectedLabel = '';
}
}
let filterText = null;
$: filteredItems = itemsProcessed.filter(
i => !filterText || i.text.toLowerCase().includes(filterText)
);
function filterItems({ target }) {
filterText = target.value.toLowerCase();
}
function handleInputClick() {
if (autocomplete) {
showList = true;
} else {
showList = !showList;
}
}
const onHideListPanel = () => showList = false;
const cb = new ClassBuilder(classes, classesDefault);
$: c = cb
.flush()
.add(classes, true, classesDefault)
.add($$props.class)
.get();
const ocb = new ClassBuilder(optionsClasses, optionsClassesDefault);
$: o = ocb
.flush()
.add(optionsClasses, true, optionsClassesDefault)
.add("rounded-t-none", !outlined)
.get();
$: if (dense) {
appendClasses = (i) => i.replace('pt-4', 'pt-3');
}
</script>
<div class={c} use:hideListAction={onHideListPanel}>
<slot name="select">
<TextField
select
{dense}
focused={showList}
{autocomplete}
value={selectedLabel}
{outlined}
{label}
{placeholder}
{hint}
{error}
{append}
{persistentHint}
{color}
{add}
{remove}
{replace}
{noUnderline}
class={inputWrapperClasses}
{appendClasses}
{labelClasses}
{inputClasses}
{prependClasses}
on:click={handleInputClick}
on:click-append={(e => showList = !showList)}
on:click
on:input={filterItems}
appendReverse={showList}
/>
</slot>
{#if showList}
<slot name="options">
<div
class={o}
on:click={() => (showList = false)}
>
<List
bind:value
class={listClasses}
{selectedClasses}
{itemClasses}
select
{dense}
items={filteredItems}
on:change={({ detail }) => {
dispatch('change', detail);
}} />
</div>
</slot>
{/if}
</div>