Proyectos de Subversion Moodle

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Add bulk actions to the users list report
 *
 * @module     core_admin/bulk_user_actions
 * @copyright  2024 Marina Glancy
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

import * as reportSelectors from "core_reportbuilder/local/selectors";
import * as tableEvents from "core_table/local/dynamic/events";
import * as FormChangeChecker from "core_form/changechecker";
import * as CustomEvents from "core/custom_interaction_events";
import jQuery from "jquery";

const Selectors = {
  bulkActionsForm: "form#user-bulk-action-form",
  userReportWrapper: '[data-region="report-user-list-wrapper"]',
  checkbox:
    'input[type="checkbox"][data-togglegroup="report-select-all"][data-toggle="slave"]',
  masterCheckbox:
    'input[type="checkbox"][data-togglegroup="report-select-all"][data-toggle="master"]',
  checkedRows:
    '[data-togglegroup="report-select-all"][data-toggle="slave"]:checked',
};

/**
 * Initialise module
 */
export const init = () => {
  const userBulkForm = document.querySelector(Selectors.bulkActionsForm);
  const userReport = userBulkForm
    ?.closest(Selectors.userReportWrapper)
    ?.querySelector(reportSelectors.regions.report);
  if (!userBulkForm || !userReport) {
    return;
  }
  const actionSelect = userBulkForm.querySelector("select");
  CustomEvents.define(actionSelect, [CustomEvents.events.accessibleChange]);

  jQuery(actionSelect).on(CustomEvents.events.accessibleChange, (event) => {
    if (event.target.value && `${event.target.value}` !== "0") {
      const e = new Event("submit", { cancelable: true });
      userBulkForm.dispatchEvent(e);
      if (!e.defaultPrevented) {
        FormChangeChecker.markFormSubmitted(userBulkForm);
        userBulkForm.submit();
      }
    }
  });

  // Every time the checkboxes in the report are changed, update the list of users in the form values
  // and enable/disable the action select.
  const updateUserIds = () => {
    const selectedUsers = [
      ...userReport.querySelectorAll(Selectors.checkedRows),
    ];
    const selectedUserIds = selectedUsers.map((check) => parseInt(check.value));
    userBulkForm.querySelector('[name="userids"]').value =
      selectedUserIds.join(",");

    // Disable the action selector if nothing selected, and reset the current selection.
    actionSelect.disabled = selectedUsers.length === 0;
    if (actionSelect.disabled) {
      actionSelect.value = "0";
    }

    const selectedUsersNames = selectedUsers.map(
      (check) => document.querySelector(`label[for="${check.id}"]`).textContent
    );
    // Add the user ids and names to the form data attributes so they can be available from the
    // other JS modules that listen to the form submit event.
    userBulkForm.data = {
      userids: selectedUserIds,
      usernames: selectedUsersNames,
    };
  };

  updateUserIds();

  document.addEventListener("change", (event) => {
    // When checkboxes are checked next to individual users or the master toggle (Select all/none).
    if (
      (event.target.matches(Selectors.checkbox) ||
        event.target.matches(Selectors.masterCheckbox)) &&
      userReport.contains(event.target)
    ) {
      updateUserIds();
    }
  });

  document.addEventListener(tableEvents.tableContentRefreshed, (event) => {
    // When the report contents is updated (i.e. page is changed, filters applied, etc).
    if (userReport.contains(event.target)) {
      updateUserIds();
    }
  });
};