Files
expense-control/web/src/app/shared/ui/category-picker.component.ts
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2026-04-06 10:46:48 +02:00

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3.1 KiB
TypeScript

import { CommonModule } from '@angular/common';
import { Component, HostListener, computed, inject, input, output, signal } from '@angular/core';
import { UiService } from '../../core/services/ui.service';
import type { Category } from '../models';
@Component({
selector: 'app-category-picker',
standalone: true,
imports: [CommonModule],
template: `
<div class="dropdown w-100 position-relative ec-category-picker">
<button class="form-select text-start d-flex align-items-center justify-content-between gap-2" type="button" (click)="toggle($event)">
<span class="d-flex flex-wrap gap-2 align-items-center">
@if (selectedItems().length) {
@for (item of selectedItems(); track item.id) {
<span class="badge ec-picker-badge d-inline-flex align-items-center gap-1">
<span class="badge rounded-pill ec-picker-dot" [style.background]="item.color">&nbsp;</span>
{{ item.name }}
</span>
}
} @else {
<span class="text-secondary">{{ placeholder() }}</span>
}
</span>
<span class="text-secondary small">{{ selectedItems().length ? selectedItems().length : '' }}</span>
</button>
@if (open()) {
<div class="dropdown-menu show w-100 p-2 shadow-sm ec-category-picker-menu">
<div class="d-grid gap-1" style="max-height: 18rem; overflow: auto;">
@for (item of items(); track item.id) {
<label class="dropdown-item rounded-2 d-flex align-items-center justify-content-between gap-3" (click)="$event.stopPropagation()">
<span class="d-flex align-items-center gap-2">
<input class="form-check-input m-0" type="checkbox" [checked]="isSelected(item.id)" (change)="toggleItem(item.id)" />
<span class="badge rounded-pill ec-picker-dot" [style.background]="item.color">&nbsp;</span>
<span>{{ item.name }}</span>
</span>
@if (isSelected(item.id)) {
<span class="badge text-bg-success">{{ ui.t('common.selected') }}</span>
}
</label>
} @empty {
<div class="dropdown-item text-secondary">{{ ui.t('common.noCategories') }}</div>
}
</div>
</div>
}
</div>
`
})
export class CategoryPickerComponent {
readonly ui = inject(UiService);
readonly items = input<Category[]>([]);
readonly selectedIds = input<string[]>([]);
readonly placeholder = input('');
readonly changed = output<string[]>();
readonly open = signal(false);
readonly selectedItems = computed(() => this.items().filter((item) => this.selectedIds().includes(item.id)));
toggle(event?: Event) {
event?.stopPropagation();
this.open.update((value) => !value);
}
isSelected(id: string) {
return this.selectedIds().includes(id);
}
toggleItem(id: string) {
const next = this.isSelected(id)
? this.selectedIds().filter((item) => item !== id)
: [...this.selectedIds(), id];
this.changed.emit(next);
}
@HostListener('document:click')
closeOnOutsideClick() {
this.open.set(false);
}
}