demarches-normaliennes/app/javascript/controllers/batch_operation_controller.ts

65 lines
2 KiB
TypeScript

import { ApplicationController } from './application_controller';
import { disable, enable } from '@utils';
import invariant from 'tiny-invariant';
export class BatchOperationController extends ApplicationController {
static targets = ['menu', 'input'];
declare readonly menuTarget: HTMLButtonElement;
declare readonly hasMenuTarget: boolean;
declare readonly inputTargets: HTMLInputElement[];
onCheckOne() {
this.toggleSubmitButtonWhenNeeded();
}
onCheckAll(event: Event) {
const target = event.target as HTMLInputElement;
this.inputTargets.forEach((e) => (e.checked = target.checked));
this.toggleSubmitButtonWhenNeeded();
}
toggleSubmitButtonWhenNeeded() {
const buttons = [
...this.element.querySelectorAll<HTMLButtonElement>('[data-operation]')
];
const checked = this.inputTargets.filter((input) => input.checked);
if (checked.length) {
const available = buttons.filter((button) => {
const operation = button.dataset.operation;
invariant(operation, 'data-operation is required');
const available = checked.every(isInputForOperation(operation));
switchButton(button, available);
return available;
});
if (this.hasMenuTarget) {
if (available.length) {
enable(this.menuTarget);
} else {
disable(this.menuTarget);
}
}
} else {
if (this.hasMenuTarget) {
disable(this.menuTarget);
}
buttons.forEach((button) => switchButton(button, false));
}
}
}
function isInputForOperation(operation: string) {
return (input: HTMLInputElement) =>
(input.dataset.operations?.split(',') ?? []).includes(operation);
}
function switchButton(button: HTMLButtonElement, flag: boolean) {
if (flag) {
enable(button);
button.querySelectorAll('button').forEach((button) => enable(button));
} else {
disable(button);
button.querySelectorAll('button').forEach((button) => disable(button));
}
}