// 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 '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 {get_string as 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}) => {
Templates.replaceNode(settingsConditionsRegion, html, js + templateContext.javascript);
// Re-focus the add condition element after reloading the region.
const reportAddCondition = reportElement.querySelector(reportSelectors.actions.reportAddCondition);
reportAddCondition?.focus();
initConditionsForm(reportElement);
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 = () => {
// Handle dynamic conditions form.
const reportElement = document.querySelector(reportSelectors.regions.report);
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',
]);
prefetchStrings('core', [
'delete',
]);
initConditionsForm();
if (initialized) {
return;
}
document.addEventListener('click', event => {
// Add condition to report.
const reportAddCondition = event.target.closest(reportSelectors.actions.reportAddCondition);
if (reportAddCondition) {
event.preventDefault();
const reportElement = reportAddCondition.closest(reportSelectors.regions.report);
// Check if dropdown is closed with no condition selected.
if (reportAddCondition.value === '0') {
return;
}
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);
}
// 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--;
}
reorderCondition(reportElement.dataset.reportId, conditionId, targetConditionPosition)
.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);
}
});
};