50 lines
1.4 KiB
TypeScript
50 lines
1.4 KiB
TypeScript
import {} from '@hotwired/stimulus';
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import { show, hide } from '~/shared/utils';
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import { ApplicationController } from './application_controller';
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type AttachementDestroyedEvent = CustomEvent<{ target_id: string }>;
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export class AttachmentMultipleController extends ApplicationController {
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static targets = ['buttonAdd', 'empty'];
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declare readonly emptyTarget: HTMLDivElement;
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declare readonly buttonAddTarget: HTMLButtonElement;
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connect() {
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this.onGlobal('attachment:destroyed', (event: AttachementDestroyedEvent) =>
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this.onAttachmentDestroy(event)
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);
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}
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add(event: Event) {
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event.preventDefault();
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hide(this.buttonAddTarget);
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show(this.emptyTarget);
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const inputFile = this.emptyTarget.querySelector(
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'input[type=file]'
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) as HTMLInputElement;
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inputFile.click();
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}
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onAttachmentDestroy(event: AttachementDestroyedEvent) {
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const { detail } = event;
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const attachmentWrapper = document.getElementById(detail.target_id);
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// Remove this attachment row when there is at least another attachment.
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if (attachmentWrapper && this.attachmentsCount() > 1) {
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attachmentWrapper.parentNode?.removeChild(attachmentWrapper);
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} else {
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hide(this.buttonAddTarget);
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}
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}
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attachmentsCount() {
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// Don't count the hidden "empty" attachment
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return this.element.querySelectorAll('.attachment-input').length - 1;
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}
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}
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