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feat(cdk-experimental/listbox): add cdk-active class #30932

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Merged
merged 1 commit into from
Apr 23, 2025
Merged

feat(cdk-experimental/listbox): add cdk-active class #30932

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1 change: 1 addition & 0 deletions src/cdk-experimental/listbox/listbox.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,7 @@ export class CdkListbox<V> {
host: {
'role': 'option',
'class': 'cdk-option',
'[class.cdk-active]': 'pattern.active()',
'[attr.tabindex]': 'pattern.tabindex()',
'[attr.aria-selected]': 'pattern.selected()',
'[attr.aria-disabled]': 'pattern.disabled()',
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3 changes: 3 additions & 0 deletions src/cdk-experimental/ui-patterns/listbox/option.ts
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Expand Up @@ -48,6 +48,9 @@ export class OptionPattern<V> {
.findIndex(i => i.id() === this.id()) ?? -1,
);

/** Whether the option is active. */
active = computed(() => this.listbox()?.focusManager.activeItem() === this);

/** Whether the option is selected. */
selected = computed(() => this.listbox()?.selection.inputs.value().includes(this.value()));

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8 changes: 4 additions & 4 deletions src/components-examples/cdk-experimental/listbox/cdk-listbox/cdk-listbox-example.css
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Expand Up @@ -46,8 +46,8 @@
border-radius: var(--mat-sys-corner-extra-small);
}

.example-option[aria-disabled='false']:hover,
.example-option[tabindex='0'] {
.example-option.cdk-active,
.example-option[aria-disabled='false']:hover {
outline: 1px solid var(--mat-sys-outline);
background: var(--mat-sys-surface-container);
}
Expand All @@ -61,8 +61,8 @@
background-color: var(--mat-sys-secondary-container);
}

.example-option[aria-disabled='true']:focus-within,
.example-option[aria-disabled='true'][tabindex='0'] {
.example-option.cdk-active[aria-disabled='true'],
.example-option[aria-disabled='true']:focus-within {
outline: 2px solid var(--mat-sys-outline);
}

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