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/>.

/**

 * Report builder conditions editor

 *

 * @module      core_reportbuilder/local/editor/conditions

 * @copyright   2021 Paul Holden <paulh@moodle.com>

 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

"use strict";

import $ from 'jquery';

import {dispatchEvent} from 'core/event_dispatcher';

import AutoComplete from 'core/form-autocomplete';

import 'core/inplace_editable';

import Notification from 'core/notification';

import Pending from 'core/pending';

import {prefetchStrings} from 'core/prefetch';

import SortableList from 'core/sortable_list';

import {getString} from 'core/str';

import Templates from 'core/templates';

import {add as addToast} from 'core/toast';

import DynamicForm from 'core_form/dynamicform';

import * as reportEvents from 'core_reportbuilder/local/events';

import * as reportSelectors from 'core_reportbuilder/local/selectors';

import {addCondition, deleteCondition, reorderCondition, resetConditions} from 'core_reportbuilder/local/repository/conditions';

/**

 * Reload conditions settings region

 *

 * @param {Element} reportElement

 * @param {Object} templateContext

 * @return {Promise}

 */

const reloadSettingsConditionsRegion = (reportElement, templateContext) => {

    const pendingPromise = new Pending('core_reportbuilder/conditions:reload');

    const settingsConditionsRegion = reportElement.querySelector(reportSelectors.regions.settingsConditions);

    return Templates.renderForPromise('core_reportbuilder/local/settings/conditions', {conditions: templateContext})

        .then(({html, js}) => {

            const conditionsjs = $.parseHTML(templateContext.javascript, null, true).map(node => node.innerHTML).join("\n");

            Templates.replaceNode(settingsConditionsRegion, html, js + conditionsjs);

            initConditionsForm();

            // Re-focus the add condition element after reloading the region.

            const reportAddCondition = reportElement.querySelector(reportSelectors.actions.reportAddCondition);

            reportAddCondition?.focus();

            return pendingPromise.resolve();

        });

};

/**

 * Initialise conditions form, must be called on each init because the form container is re-created when switching editor modes

 */

const initConditionsForm = () => {

    const reportElement = document.querySelector(reportSelectors.regions.report);

    // Enhance condition selector.

    const reportAddCondition = reportElement.querySelector(reportSelectors.actions.reportAddCondition);

    AutoComplete.enhanceField(reportAddCondition, false, '', getString('selectacondition', 'core_reportbuilder'))

        .catch(Notification.exception);

    // Handle dynamic conditions form.

    const conditionFormContainer = reportElement.querySelector(reportSelectors.regions.settingsConditions);

    if (!conditionFormContainer) {

        return;

    }

    const conditionForm = new DynamicForm(conditionFormContainer, '\\core_reportbuilder\\form\\condition');

    // Submit report conditions.

    conditionForm.addEventListener(conditionForm.events.FORM_SUBMITTED, event => {

        event.preventDefault();

        getString('conditionsapplied', 'core_reportbuilder')

            .then(addToast)

            .catch(Notification.exception);

        // After the form has been submitted, we should trigger report table reload.

        dispatchEvent(reportEvents.tableReload, {}, reportElement);

    });

    // Reset report conditions.

    conditionForm.addEventListener(conditionForm.events.NOSUBMIT_BUTTON_PRESSED, event => {

        event.preventDefault();

        Notification.saveCancelPromise(

            getString('resetconditions', 'core_reportbuilder'),

            getString('resetconditionsconfirm', 'core_reportbuilder'),

            getString('resetall', 'core_reportbuilder'),

            {triggerElement: event.detail}

        ).then(() => {

            const pendingPromise = new Pending('core_reportbuilder/conditions:reset');

            return resetConditions(reportElement.dataset.reportId)

                .then(data => reloadSettingsConditionsRegion(reportElement, data))

                .then(() => addToast(getString('conditionsreset', 'core_reportbuilder')))

                .then(() => {

                    dispatchEvent(reportEvents.tableReload, {}, reportElement);

                    return pendingPromise.resolve();

                })

                .catch(Notification.exception);

        }).catch(() => {

            return;

        });

    });

};

/**

 * Initialise module, prefetch all required strings

 *

 * @param {Boolean} initialized Ensure we only add our listeners once

 */

export const init = initialized => {

    prefetchStrings('core_reportbuilder', [

        'conditionadded',

        'conditiondeleted',

        'conditionmoved',

        'conditionsapplied',

        'conditionsreset',

        'deletecondition',

        'deleteconditionconfirm',

        'resetall',

        'resetconditions',

        'resetconditionsconfirm',

        'selectacondition',

    ]);

    prefetchStrings('core', [

        'delete',

    ]);

    initConditionsForm();

    if (initialized) {

        return;

    }

    // Add condition to report.

    document.addEventListener('change', event => {

        const reportAddCondition = event.target.closest(reportSelectors.actions.reportAddCondition);

        if (reportAddCondition) {

            event.preventDefault();

            // Check if dropdown is closed with no condition selected.

            if (reportAddCondition.value === "" || reportAddCondition.value === "0") {

                return;

            }

            const reportElement = reportAddCondition.closest(reportSelectors.regions.report);

            const pendingPromise = new Pending('core_reportbuilder/conditions:add');

            addCondition(reportElement.dataset.reportId, reportAddCondition.value)

                .then(data => reloadSettingsConditionsRegion(reportElement, data))

                .then(() => getString('conditionadded', 'core_reportbuilder',

                    reportAddCondition.options[reportAddCondition.selectedIndex].text))

                .then(addToast)

                .then(() => {

                    dispatchEvent(reportEvents.tableReload, {}, reportElement);

                    return pendingPromise.resolve();

                })

                .catch(Notification.exception);

        }

    });

    document.addEventListener('click', event => {

        // Remove condition from report.

        const reportRemoveCondition = event.target.closest(reportSelectors.actions.reportRemoveCondition);

        if (reportRemoveCondition) {

            event.preventDefault();

            const reportElement = reportRemoveCondition.closest(reportSelectors.regions.report);

            const conditionContainer = reportRemoveCondition.closest(reportSelectors.regions.activeCondition);

            const conditionName = conditionContainer.dataset.conditionName;

            Notification.saveCancelPromise(

                getString('deletecondition', 'core_reportbuilder', conditionName),

                getString('deleteconditionconfirm', 'core_reportbuilder', conditionName),

                getString('delete', 'core'),

                {triggerElement: reportRemoveCondition}

            ).then(() => {

                const pendingPromise = new Pending('core_reportbuilder/conditions:remove');

                return deleteCondition(reportElement.dataset.reportId, conditionContainer.dataset.conditionId)

                    .then(data => reloadSettingsConditionsRegion(reportElement, data))

                    .then(() => addToast(getString('conditiondeleted', 'core_reportbuilder', conditionName)))

                    .then(() => {

                        dispatchEvent(reportEvents.tableReload, {}, reportElement);

                        return pendingPromise.resolve();

                    })

                    .catch(Notification.exception);

            }).catch(() => {

                return;

            });

        }

    });

    // Initialize sortable list to handle active conditions moving (note JQuery dependency, see MDL-72293 for resolution).

    var activeConditionsSortableList = new SortableList(`${reportSelectors.regions.activeConditions}`,

        {isHorizontal: false});

    activeConditionsSortableList.getElementName = element => Promise.resolve(element.data('conditionName'));

    $(document).on(SortableList.EVENTS.DROP, reportSelectors.regions.activeCondition, (event, info) => {

        if (info.positionChanged) {

            const pendingPromise = new Pending('core_reportbuilder/conditions:reorder');

            const reportElement = event.target.closest(reportSelectors.regions.report);

            const conditionId = info.element.data('conditionId');

            const conditionPosition = info.element.data('conditionPosition');

            // Select target position, if moving to the end then count number of element siblings.

            let targetConditionPosition = info.targetNextElement.data('conditionPosition') || info.element.siblings().length + 2;

            if (targetConditionPosition > conditionPosition) {

                targetConditionPosition--;

            }

            // Re-order condition, giving drop event transition time to finish.

            const reorderPromise = reorderCondition(reportElement.dataset.reportId, conditionId, targetConditionPosition);

            Promise.all([reorderPromise, new Promise(resolve => setTimeout(resolve, 1000))])

                .then(([data]) => reloadSettingsConditionsRegion(reportElement, data))

                .then(() => getString('conditionmoved', 'core_reportbuilder', info.element.data('conditionName')))

                .then(addToast)

                .then(() => {

                    dispatchEvent(reportEvents.tableReload, {}, reportElement);

                    return pendingPromise.resolve();

                })

                .catch(Notification.exception);

        }

    });

};