99 lines
3.2 KiB
Svelte
99 lines
3.2 KiB
Svelte
<!--
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Copyright: Ankitects Pty Ltd and contributors
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License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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-->
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<script lang="typescript">
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import ButtonGroupItem from "./ButtonGroupItem.svelte";
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import { setContext } from "svelte";
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import { writable } from "svelte/store";
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import { buttonGroupKey } from "./contextKeys";
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import type { Identifier } from "./identifier";
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import { insert, add } from "./identifier";
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import type { ButtonRegistration } from "./buttons";
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import { ButtonPosition } from "./buttons";
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import type { SvelteComponent } from "./registration";
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import { makeInterface } from "./registration";
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export let id: string | undefined = undefined;
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let className: string = "";
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export { className as class };
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function makeRegistration(): ButtonRegistration {
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const detach = writable(false);
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const position = writable(ButtonPosition.Standalone);
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return { detach, position };
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}
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const {
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registerComponent,
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items,
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dynamicItems,
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getDynamicInterface,
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} = makeInterface(makeRegistration);
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$: for (const [index, item] of $items.entries()) {
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if ($items.length === 1) {
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item.position.set(ButtonPosition.Standalone);
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} else if (index === 0) {
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item.position.set(ButtonPosition.Leftmost);
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} else if (index === $items.length - 1) {
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item.position.set(ButtonPosition.Rightmost);
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} else {
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item.position.set(ButtonPosition.Center);
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}
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}
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setContext(buttonGroupKey, registerComponent);
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export let api = {};
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let buttonGroupRef: HTMLDivElement;
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$: if (buttonGroupRef) {
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const { addComponent, updateRegistration } = getDynamicInterface(
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buttonGroupRef
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);
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const insertButton = (button: SvelteComponent, position: Identifier = 0) =>
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addComponent(button, (added, parent) => insert(added, parent, position));
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const appendButton = (button: SvelteComponent, position: Identifier = -1) =>
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addComponent(button, (added, parent) => add(added, parent, position));
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const showButton = (id: Identifier) =>
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updateRegistration(({ detach }) => detach.set(false), id);
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const hideButton = (id: Identifier) =>
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updateRegistration(({ detach }) => detach.set(true), id);
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const toggleButton = (id: Identifier) =>
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updateRegistration(({ detach }) => detach.update((old) => !old), id);
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Object.assign(api, {
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insertButton,
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appendButton,
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showButton,
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hideButton,
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toggleButton,
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});
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}
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</script>
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<style lang="scss">
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div {
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flex-wrap: var(--toolbar-wrap);
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padding: calc(var(--toolbar-size) / 10);
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margin: 0;
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}
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</style>
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<div
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bind:this={buttonGroupRef}
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{id}
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class={`btn-group ${className}`}
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dir="ltr"
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role="group">
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<slot />
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{#each $dynamicItems as item}
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<ButtonGroupItem id={item[0].id} registration={item[1]}>
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<svelte:component this={item[0].component} {...item[0].props} />
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</ButtonGroupItem>
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{/each}
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</div>
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