148 lines
5.4 KiB
JavaScript
148 lines
5.4 KiB
JavaScript
import { attachRef } from "svelte-toolbelt";
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import { Context, watch } from "runed";
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import { createBitsAttrs, getAriaChecked, boolToEmptyStrOrUndef, boolToStr, } from "../../internal/attrs.js";
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import { kbd } from "../../internal/kbd.js";
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import { RovingFocusGroup } from "../../internal/roving-focus-group.js";
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const radioGroupAttrs = createBitsAttrs({
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component: "radio-group",
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parts: ["root", "item"],
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});
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const RadioGroupRootContext = new Context("RadioGroup.Root");
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export class RadioGroupRootState {
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static create(opts) {
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return RadioGroupRootContext.set(new RadioGroupRootState(opts));
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}
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opts;
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hasValue = $derived.by(() => this.opts.value.current !== "");
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rovingFocusGroup;
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attachment;
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constructor(opts) {
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this.opts = opts;
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this.attachment = attachRef(this.opts.ref);
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this.rovingFocusGroup = new RovingFocusGroup({
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rootNode: this.opts.ref,
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candidateAttr: radioGroupAttrs.item,
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loop: this.opts.loop,
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orientation: this.opts.orientation,
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});
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}
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isChecked(value) {
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return this.opts.value.current === value;
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}
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setValue(value) {
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this.opts.value.current = value;
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}
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props = $derived.by(() => ({
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id: this.opts.id.current,
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role: "radiogroup",
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"aria-required": boolToStr(this.opts.required.current),
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"aria-disabled": boolToStr(this.opts.disabled.current),
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"aria-readonly": this.opts.readonly.current ? "true" : undefined,
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"data-disabled": boolToEmptyStrOrUndef(this.opts.disabled.current),
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"data-readonly": boolToEmptyStrOrUndef(this.opts.readonly.current),
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"data-orientation": this.opts.orientation.current,
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[radioGroupAttrs.root]: "",
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...this.attachment,
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}));
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}
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export class RadioGroupItemState {
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static create(opts) {
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return new RadioGroupItemState(opts, RadioGroupRootContext.get());
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}
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opts;
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root;
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attachment;
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checked = $derived.by(() => this.root.opts.value.current === this.opts.value.current);
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#isDisabled = $derived.by(() => this.opts.disabled.current || this.root.opts.disabled.current);
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#isReadonly = $derived.by(() => this.root.opts.readonly.current);
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#isChecked = $derived.by(() => this.root.isChecked(this.opts.value.current));
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#tabIndex = $state(-1);
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constructor(opts, root) {
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this.opts = opts;
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this.root = root;
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this.attachment = attachRef(this.opts.ref);
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if (this.opts.value.current === this.root.opts.value.current) {
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this.root.rovingFocusGroup.setCurrentTabStopId(this.opts.id.current);
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this.#tabIndex = 0;
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}
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else if (!this.root.opts.value.current) {
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this.#tabIndex = 0;
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}
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$effect(() => {
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this.#tabIndex = this.root.rovingFocusGroup.getTabIndex(this.opts.ref.current);
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});
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watch([() => this.opts.value.current, () => this.root.opts.value.current], () => {
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if (this.opts.value.current === this.root.opts.value.current) {
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this.root.rovingFocusGroup.setCurrentTabStopId(this.opts.id.current);
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this.#tabIndex = 0;
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}
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});
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this.onclick = this.onclick.bind(this);
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this.onkeydown = this.onkeydown.bind(this);
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this.onfocus = this.onfocus.bind(this);
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}
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onclick(_) {
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if (this.opts.disabled.current || this.#isReadonly)
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return;
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this.root.setValue(this.opts.value.current);
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}
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onfocus(_) {
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if (!this.root.hasValue || this.#isReadonly)
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return;
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this.root.setValue(this.opts.value.current);
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}
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onkeydown(e) {
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if (this.#isDisabled)
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return;
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if (e.key === kbd.SPACE) {
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e.preventDefault();
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if (!this.#isReadonly) {
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this.root.setValue(this.opts.value.current);
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}
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return;
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}
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this.root.rovingFocusGroup.handleKeydown(this.opts.ref.current, e, true);
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}
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snippetProps = $derived.by(() => ({ checked: this.#isChecked }));
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props = $derived.by(() => ({
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id: this.opts.id.current,
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disabled: this.#isDisabled ? true : undefined,
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"data-value": this.opts.value.current,
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"data-orientation": this.root.opts.orientation.current,
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"data-disabled": boolToEmptyStrOrUndef(this.#isDisabled),
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"data-readonly": boolToEmptyStrOrUndef(this.#isReadonly),
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"data-state": this.#isChecked ? "checked" : "unchecked",
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"aria-checked": getAriaChecked(this.#isChecked, false),
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[radioGroupAttrs.item]: "",
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type: "button",
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role: "radio",
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tabindex: this.#tabIndex,
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//
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onkeydown: this.onkeydown,
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onfocus: this.onfocus,
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onclick: this.onclick,
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...this.attachment,
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}));
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}
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export class RadioGroupInputState {
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static create() {
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return new RadioGroupInputState(RadioGroupRootContext.get());
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}
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root;
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shouldRender = $derived.by(() => this.root.opts.name.current !== undefined);
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constructor(root) {
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this.root = root;
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this.onfocus = this.onfocus.bind(this);
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}
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onfocus(_) {
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this.root.rovingFocusGroup.focusCurrentTabStop();
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}
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props = $derived.by(() => ({
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name: this.root.opts.name.current,
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value: this.root.opts.value.current,
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required: this.root.opts.required.current,
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disabled: this.root.opts.disabled.current,
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onfocus: this.onfocus,
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}));
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}
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