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676 lines
18 KiB
676 lines
18 KiB
2 years ago
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<?php
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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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* Step class.
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*
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* @package tool_usertours
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* @copyright 2016 Andrew Nicols <andrew@nicols.co.uk>
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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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namespace tool_usertours;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Step class.
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*
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* @copyright 2016 Andrew Nicols <andrew@nicols.co.uk>
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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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class step {
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/**
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* @var int $id The id of the step.
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*/
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protected $id;
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/**
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* @var int $tourid The id of the tour that this step belongs to.
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*/
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protected $tourid;
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/**
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* @var tour $tour The tour class that this step belongs to.
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*/
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protected $tour;
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/**
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* @var string $title The title of the step.
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*/
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protected $title;
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/**
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* @var string $content The content of this step.
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*/
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protected $content;
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/**
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* @var int $targettype The type of target.
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*/
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protected $targettype;
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/**
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* @var string $targetvalue The value for this type of target.
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*/
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protected $targetvalue;
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/**
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* @var int $sortorder The sort order.
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*/
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protected $sortorder;
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/**
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* @var object $config The configuration as an object.
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*/
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protected $config;
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/**
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* @var bool $dirty Whether the step has been changed since it was loaded
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*/
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protected $dirty = false;
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/**
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* Fetch the step instance.
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*
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* @param int $id The id of the step to be retrieved.
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* @return step
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*/
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public static function instance($id) {
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$step = new step();
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return $step->fetch($id);
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}
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/**
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* Load the step instance.
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*
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* @param stdClass $record The step record to be loaded.
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* @param boolean $clean Clean the values.
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* @return step
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*/
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public static function load_from_record($record, $clean = false) {
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$step = new self();
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return $step->reload_from_record($record, $clean);
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}
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/**
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* Fetch the step instance.
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*
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* @param int $id The id of the step to be retrieved.
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* @return step
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*/
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protected function fetch($id) {
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global $DB;
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return $this->reload_from_record(
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$DB->get_record('tool_usertours_steps', array('id' => $id))
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);
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}
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/**
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* Refresh the current step from the datbase.
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*
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* @return step
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*/
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protected function reload() {
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return $this->fetch($this->id);
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}
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/**
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* Reload the current step from the supplied record.
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*
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* @param stdClass $record The step record to be loaded.
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* @param boolean $clean Clean the values.
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* @return step
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*/
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protected function reload_from_record($record, $clean = false) {
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$this->id = $record->id;
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$this->tourid = $record->tourid;
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if ($clean) {
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$this->title = clean_param($record->title, PARAM_TEXT);
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$this->content = clean_text($record->content);
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} else {
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$this->title = $record->title;
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$this->content = $record->content;
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}
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$this->targettype = $record->targettype;
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$this->targetvalue = $record->targetvalue;
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$this->sortorder = $record->sortorder;
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$this->config = json_decode($record->configdata);
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$this->dirty = false;
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return $this;
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}
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/**
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* Get the ID of the step.
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*
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* @return int
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*/
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public function get_id() {
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return $this->id;
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}
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/**
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* Get the Tour ID of the step.
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*
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* @return int
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*/
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public function get_tourid() {
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return $this->tourid;
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}
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/**
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* Get the Tour instance that this step belongs to.
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*
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* @return tour
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*/
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public function get_tour() {
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if ($this->tour === null) {
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$this->tour = tour::instance($this->tourid);
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}
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return $this->tour;
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}
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/**
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* Set the id of the tour.
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*
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* @param int $value The id of the tour.
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* @return self
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*/
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public function set_tourid($value) {
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$this->tourid = $value;
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$this->tour = null;
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$this->dirty = true;
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return $this;
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}
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/**
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* Get the Title of the step.
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*
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* @return string
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*/
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public function get_title() {
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return $this->title;
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}
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/**
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* Set the title for this step.
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*
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* @param string $value The new title to use.
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* @return $this
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*/
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public function set_title($value) {
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$this->title = clean_text($value);
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$this->dirty = true;
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return $this;
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}
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/**
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* Get the body content of the step.
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*
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* @return string
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*/
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public function get_content() {
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return $this->content;
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}
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/**
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* Set the content value for this step.
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*
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* @param string $value The new content to use.
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* @return $this
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*/
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public function set_content($value) {
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$this->content = clean_text($value);
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$this->dirty = true;
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return $this;
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}
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/**
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* Get the content value for this step.
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*
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* @return string
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*/
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public function get_targettype() {
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return $this->targettype;
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}
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/**
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* Set the type of target for this step.
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*
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* @param string $value The new target to use.
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* @return $this
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*/
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public function set_targettype($value) {
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$this->targettype = $value;
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$this->dirty = true;
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return $this;
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}
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/**
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* Get the target value for this step.
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*
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* @return string
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*/
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public function get_targetvalue() {
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return $this->targetvalue;
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}
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/**
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* Set the target value for this step.
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*
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* @param string $value The new target value to use.
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* @return $this
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*/
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public function set_targetvalue($value) {
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$this->targetvalue = $value;
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$this->dirty = true;
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return $this;
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}
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/**
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* Get the target instance for this step.
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*
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* @return target
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*/
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public function get_target() {
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return target::get_target_instance($this);
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}
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/**
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* Get the current sortorder for this step.
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*
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* @return int
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*/
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public function get_sortorder() {
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return (int) $this->sortorder;
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}
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/**
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* Whether this step is the first step in the tour.
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*
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* @return boolean
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*/
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public function is_first_step() {
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return ($this->get_sortorder() === 0);
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}
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/**
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* Whether this step is the last step in the tour.
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*
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* @return boolean
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*/
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public function is_last_step() {
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$stepcount = $this->get_tour()->count_steps();
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return ($this->get_sortorder() === $stepcount - 1);
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}
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/**
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* Set the sortorder for this step.
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*
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* @param int $value The new sortorder to use.
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* @return $this
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*/
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public function set_sortorder($value) {
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$this->sortorder = $value;
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$this->dirty = true;
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return $this;
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}
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/**
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* Get the link to move this step up in the sortorder.
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*
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* @return moodle_url
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*/
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public function get_moveup_link() {
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return helper::get_move_step_link($this->get_id(), helper::MOVE_UP);
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}
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/**
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* Get the link to move this step down in the sortorder.
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*
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* @return moodle_url
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*/
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public function get_movedown_link() {
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return helper::get_move_step_link($this->get_id(), helper::MOVE_DOWN);
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}
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/**
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* Get the value of the specified configuration item.
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*
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* If notvalue was found, and no default was specified, the default for the tour will be used.
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*
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* @param string $key The configuration key to set.
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* @param mixed $default The default value to use if a value was not found.
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* @return mixed
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*/
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public function get_config($key = null, $default = null) {
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if ($this->config === null) {
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$this->config = (object) array();
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}
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if ($key === null) {
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return $this->config;
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}
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if ($this->get_targettype() !== null) {
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$target = $this->get_target();
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if ($target->is_setting_forced($key)) {
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return $target->get_forced_setting_value($key);
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}
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}
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if (property_exists($this->config, $key)) {
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return $this->config->$key;
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}
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if ($default !== null) {
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return $default;
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}
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return $this->get_tour()->get_config($key);
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}
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/**
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* Set the configuration item as specified.
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*
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* @param string $key The configuration key to set.
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* @param mixed $value The new value for the configuration item.
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* @return $this
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*/
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public function set_config($key, $value) {
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if ($this->config === null) {
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$this->config = (object) array();
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}
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if ($value === null) {
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unset($this->config->$key);
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} else {
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$this->config->$key = $value;
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}
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$this->dirty = true;
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return $this;
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}
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/**
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* Get the edit link for this step.
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*
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* @return moodle_url
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*/
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public function get_edit_link() {
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return helper::get_edit_step_link($this->tourid, $this->id);
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}
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/**
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||
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* Get the delete link for this step.
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||
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*
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||
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* @return moodle_url
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|
|
*/
|
||
|
|
public function get_delete_link() {
|
||
|
|
return helper::get_delete_step_link($this->id);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepare this step for saving to the database.
|
||
|
|
*
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public function to_record() {
|
||
|
|
return (object) array(
|
||
|
|
'id' => $this->id,
|
||
|
|
'tourid' => $this->tourid,
|
||
|
|
'title' => $this->title,
|
||
|
|
'content' => $this->content,
|
||
|
|
'targettype' => $this->targettype,
|
||
|
|
'targetvalue' => $this->targetvalue,
|
||
|
|
'sortorder' => $this->sortorder,
|
||
|
|
'configdata' => json_encode($this->config),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Calculate the next sort-order value.
|
||
|
|
*
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
protected function calculate_sortorder() {
|
||
|
|
$count = $this->get_tour()->count_steps();
|
||
|
|
$this->sortorder = $count;
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Save the tour and it's configuration to the database.
|
||
|
|
*
|
||
|
|
* @param boolean $force Whether to force writing to the database.
|
||
|
|
* @return $this
|
||
|
|
*/
|
||
|
|
public function persist($force = false) {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
if (!$this->dirty && !$force) {
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->id) {
|
||
|
|
$record = $this->to_record();
|
||
|
|
$DB->update_record('tool_usertours_steps', $record);
|
||
|
|
} else {
|
||
|
|
$this->calculate_sortorder();
|
||
|
|
$record = $this->to_record();
|
||
|
|
unset($record->id);
|
||
|
|
$this->id = $DB->insert_record('tool_usertours_steps', $record);
|
||
|
|
$this->get_tour()->reset_step_sortorder();
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->reload();
|
||
|
|
|
||
|
|
// Notify of a change to the step configuration.
|
||
|
|
// This must be done separately to tour change notifications.
|
||
|
|
cache::notify_step_change($this->get_tourid());
|
||
|
|
|
||
|
|
// Notify the cache that a tour has changed.
|
||
|
|
// Tours are only stored in the cache if there are steps.
|
||
|
|
// If there step count has changed for some reason, this will change the potential cache results.
|
||
|
|
cache::notify_tour_change();
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Remove this step.
|
||
|
|
*/
|
||
|
|
public function remove() {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
if ($this->id === null) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$DB->delete_records('tool_usertours_steps', array('id' => $this->id));
|
||
|
|
$this->get_tour()->reset_step_sortorder();
|
||
|
|
|
||
|
|
// Notify of a change to the step configuration.
|
||
|
|
// This must be done separately to tour change notifications.
|
||
|
|
cache::notify_step_change($this->get_id());
|
||
|
|
|
||
|
|
// Notify the cache that a tour has changed.
|
||
|
|
// Tours are only stored in the cache if there are steps.
|
||
|
|
// If there step count has changed for some reason, this will change the potential cache results.
|
||
|
|
cache::notify_tour_change();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the list of possible placement options.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_placement_options() {
|
||
|
|
return configuration::get_placement_options(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The list of possible configuration keys.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public static function get_config_keys() {
|
||
|
|
return [
|
||
|
|
'placement',
|
||
|
|
'orphan',
|
||
|
|
'backdrop',
|
||
|
|
'reflex',
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add the step configuration to the form.
|
||
|
|
*
|
||
|
|
* @param MoodleQuickForm $mform The form to add configuration to.
|
||
|
|
* @return $this
|
||
|
|
*/
|
||
|
|
public function add_config_to_form(\MoodleQuickForm $mform) {
|
||
|
|
$tour = $this->get_tour();
|
||
|
|
|
||
|
|
$options = configuration::get_placement_options($tour->get_config('placement'));
|
||
|
|
$mform->addElement('select', 'placement', get_string('placement', 'tool_usertours'), $options);
|
||
|
|
$mform->addHelpButton('placement', 'placement', 'tool_usertours');
|
||
|
|
|
||
|
|
$this->add_config_field_to_form($mform, 'orphan');
|
||
|
|
$this->add_config_field_to_form($mform, 'backdrop');
|
||
|
|
$this->add_config_field_to_form($mform, 'reflex');
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add the specified step field configuration to the form.
|
||
|
|
*
|
||
|
|
* @param MoodleQuickForm $mform The form to add configuration to.
|
||
|
|
* @param string $key The key to add.
|
||
|
|
* @return $this
|
||
|
|
*/
|
||
|
|
public function add_config_field_to_form(\MoodleQuickForm $mform, $key) {
|
||
|
|
$tour = $this->get_tour();
|
||
|
|
|
||
|
|
$default = (bool) $tour->get_config($key);
|
||
|
|
|
||
|
|
$options = [
|
||
|
|
true => get_string('yes'),
|
||
|
|
false => get_string('no'),
|
||
|
|
];
|
||
|
|
|
||
|
|
if (!isset($options[$default])) {
|
||
|
|
$default = configuration::get_default_value($key);
|
||
|
|
}
|
||
|
|
|
||
|
|
$options = array_reverse($options, true);
|
||
|
|
$options[configuration::TOURDEFAULT] = get_string('defaultvalue', 'tool_usertours', $options[$default]);
|
||
|
|
$options = array_reverse($options, true);
|
||
|
|
|
||
|
|
$mform->addElement('select', $key, get_string($key, 'tool_usertours'), $options);
|
||
|
|
$mform->setDefault($key, configuration::TOURDEFAULT);
|
||
|
|
$mform->addHelpButton($key, $key, 'tool_usertours');
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepare the configuration data for the moodle form.
|
||
|
|
*
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public function prepare_data_for_form() {
|
||
|
|
$data = $this->to_record();
|
||
|
|
foreach (self::get_config_keys() as $key) {
|
||
|
|
$data->$key = $this->get_config($key, configuration::get_step_default_value($key));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->get_targettype() !== null) {
|
||
|
|
$this->get_target()->prepare_data_for_form($data);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle submission of the step editing form.
|
||
|
|
*
|
||
|
|
* @param local\forms\editstep $mform The sumitted form.
|
||
|
|
* @param stdClass $data The submitted data.
|
||
|
|
* @return $this
|
||
|
|
*/
|
||
|
|
public function handle_form_submission(local\forms\editstep &$mform, \stdClass $data) {
|
||
|
|
$this->set_title($data->title);
|
||
|
|
$this->set_content($data->content);
|
||
|
|
$this->set_targettype($data->targettype);
|
||
|
|
|
||
|
|
$this->set_targetvalue($this->get_target()->get_value_from_form($data));
|
||
|
|
|
||
|
|
foreach (self::get_config_keys() as $key) {
|
||
|
|
if (!$this->get_target()->is_setting_forced($key)) {
|
||
|
|
if (isset($data->$key)) {
|
||
|
|
$value = $data->$key;
|
||
|
|
} else {
|
||
|
|
$value = configuration::TOURDEFAULT;
|
||
|
|
}
|
||
|
|
if ($value === configuration::TOURDEFAULT) {
|
||
|
|
$this->set_config($key, null);
|
||
|
|
} else {
|
||
|
|
$this->set_config($key, $value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->persist();
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Attempt to fetch any matching langstring if the string is in the
|
||
|
|
* format identifier,component.
|
||
|
|
*
|
||
|
|
* @param string $string
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function get_string_from_input($string) {
|
||
|
|
$string = trim($string);
|
||
|
|
|
||
|
|
if (preg_match('|^([a-zA-Z][a-zA-Z0-9\.:/_-]*),([a-zA-Z][a-zA-Z0-9\.:/_-]*)$|', $string, $matches)) {
|
||
|
|
if ($matches[2] === 'moodle') {
|
||
|
|
$matches[2] = 'core';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (get_string_manager()->string_exists($matches[1], $matches[2])) {
|
||
|
|
$string = get_string($matches[1], $matches[2]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $string;
|
||
|
|
}
|
||
|
|
}
|