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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @module core_group/index
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* @copyright 2022 Matthew Hilton <matthewhilton@catalyst-au.net>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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import GroupPicker from "./grouppicker";
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const groupPicker = new GroupPicker();
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/**
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* Initialise page.
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*/
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export const init = () => {
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// Init event listeners.
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groupPicker.getDomElement().addEventListener("change", updateBulkActionButtons);
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// Call initially to set initial button state.
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updateBulkActionButtons();
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};
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/**
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* Updates the bulk action buttons depending on specific conditions.
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*/
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export const updateBulkActionButtons = () => {
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const groupsSelected = groupPicker.getSelectedValues();
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const aGroupIsSelected = groupsSelected.length !== 0;
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// Collate the conditions where each button is enabled/disabled.
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const bulkActionsEnabledStatuses = {
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'enablemessaging': aGroupIsSelected,
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'disablemessaging': aGroupIsSelected
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};
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// Update the status of each button.
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Object.entries(bulkActionsEnabledStatuses).map(([buttonId, enabled]) => setElementEnabled(buttonId, enabled));
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};
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/**
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* Adds or removes the given element's disabled attribute.
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* @param {string} domElementId ID of the dom element (without the #)
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* @param {bool} enabled If false, the disable attribute is applied, else it is removed.
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*/
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export const setElementEnabled = (domElementId, enabled) => {
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const element = document.getElementById(domElementId);
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if (!element) {
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// If there is no element, we do nothing.
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// The element could be purposefully hidden or removed.
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return;
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}
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if (!enabled) {
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element.setAttribute('disabled', 'disabled');
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} else {
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element.removeAttribute('disabled');
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}
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};
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