Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403]
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 /** 18 * Form for editing steps. 19 * 20 * @package tool_usertours 21 * @copyright 2016 Andrew Nicols <andrew@nicols.co.uk> 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 */ 24 25 namespace tool_usertours\local\forms; 26 27 use stdClass; 28 use tool_usertours\helper; 29 use tool_usertours\step; 30 31 defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.'); 32 33 require_once($CFG->libdir . '/formslib.php'); 34 35 /** 36 * Form for editing steps. 37 * 38 * @copyright 2016 Andrew Nicols <andrew@nicols.co.uk> 39 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 40 */ 41 class editstep extends \moodleform { 42 /** 43 * @var tool_usertours\step $step 44 */ 45 protected $step; 46 47 /** 48 * @var int Display the step's content by using Moodle language string. 49 */ 50 private const CONTENTTYPE_LANGSTRING = 0; 51 52 /** 53 * @var int Display the step's content by entering it manually. 54 */ 55 private const CONTENTTYPE_MANUAL = 1; 56 57 /** 58 * Create the edit step form. 59 * 60 * @param string $target The target of the form. 61 * @param step $step The step being editted. 62 */ 63 public function __construct($target, \tool_usertours\step $step) { 64 $this->step = $step; 65 66 parent::__construct($target); 67 } 68 69 /** 70 * Form definition. 71 */ 72 public function definition() { 73 global $CFG; 74 75 $mform = $this->_form; 76 77 $mform->addElement('header', 'heading_target', get_string('target_heading', 'tool_usertours')); 78 $types = []; 79 foreach (\tool_usertours\target::get_target_types() as $value => $type) { 80 $types[$value] = get_string('target_' . $type, 'tool_usertours'); 81 } 82 $mform->addElement('select', 'targettype', get_string('targettype', 'tool_usertours'), $types); 83 $mform->addHelpButton('targettype', 'targettype', 'tool_usertours'); 84 85 // The target configuration. 86 foreach (\tool_usertours\target::get_target_types() as $value => $type) { 87 $targetclass = \tool_usertours\target::get_classname($type); 88 $targetclass::add_config_to_form($mform); 89 } 90 91 // Content of the step. 92 $mform->addElement('header', 'heading_content', get_string('content_heading', 'tool_usertours')); 93 $mform->addElement('textarea', 'title', get_string('title', 'tool_usertours')); 94 $mform->addRule('title', get_string('required'), 'required', null, 'client'); 95 $mform->setType('title', PARAM_TEXT); 96 $mform->addHelpButton('title', 'title', 'tool_usertours'); 97 98 // Content type. 99 $typeoptions = [ 100 static::CONTENTTYPE_LANGSTRING => get_string('content_type_langstring', 'tool_usertours'), 101 static::CONTENTTYPE_MANUAL => get_string('content_type_manual', 'tool_usertours') 102 ]; 103 $mform->addElement('select', 'contenttype', get_string('content_type', 'tool_usertours'), $typeoptions); 104 $mform->addHelpButton('contenttype', 'content_type', 'tool_usertours'); 105 $mform->setDefault('contenttype', static::CONTENTTYPE_MANUAL); 106 107 // Language identifier. 108 $mform->addElement('textarea', 'contentlangstring', get_string('moodle_language_identifier', 'tool_usertours')); 109 $mform->setType('contentlangstring', PARAM_TEXT); 110 $mform->hideIf('contentlangstring', 'contenttype', 'eq', static::CONTENTTYPE_MANUAL); 111 112 $editoroptions = [ 113 'subdirs' => 1, 114 'maxbytes' => $CFG->maxbytes, 115 'maxfiles' => EDITOR_UNLIMITED_FILES, 116 'changeformat' => 1, 117 'trusttext' => true 118 ]; 119 $objs = $mform->createElement('editor', 'content', get_string('content', 'tool_usertours'), null, $editoroptions); 120 // TODO: MDL-68540 We need to add the editor to a group element because editor element will not work with hideIf. 121 $mform->addElement('group', 'contenthtmlgrp', get_string('content', 'tool_usertours'), [$objs], ' ', false); 122 $mform->addHelpButton('contenthtmlgrp', 'content', 'tool_usertours'); 123 $mform->hideIf('contenthtmlgrp', 'contenttype', 'eq', static::CONTENTTYPE_LANGSTRING); 124 125 // Add the step configuration. 126 $mform->addElement('header', 'heading_options', get_string('options_heading', 'tool_usertours')); 127 // All step configuration is defined in the step. 128 $this->step->add_config_to_form($mform); 129 130 // And apply any form constraints. 131 foreach (\tool_usertours\target::get_target_types() as $value => $type) { 132 $targetclass = \tool_usertours\target::get_classname($type); 133 $targetclass::add_disabled_constraints_to_form($mform); 134 } 135 136 $this->add_action_buttons(); 137 } 138 139 /** 140 * Validate the database on the submitted content type. 141 * 142 * @param array $data array of ("fieldname"=>value) of submitted data 143 * @param array $files array of uploaded files "element_name"=>tmp_file_path 144 * @return array of "element_name"=>"error_description" if there are errors, 145 * or an empty array if everything is OK (true allowed for backwards compatibility too). 146 */ 147 public function validation($data, $files): array { 148 $errors = parent::validation($data, $files); 149 150 if ($data['contenttype'] == static::CONTENTTYPE_LANGSTRING) { 151 if (!isset($data['contentlangstring']) || trim($data['contentlangstring']) == '') { 152 $errors['contentlangstring'] = get_string('required'); 153 } else { 154 $splitted = explode(',', trim($data['contentlangstring']), 2); 155 $langid = $splitted[0]; 156 $langcomponent = $splitted[1]; 157 if (!get_string_manager()->string_exists($langid, $langcomponent)) { 158 $errors['contentlangstring'] = get_string('invalid_lang_id', 'tool_usertours'); 159 } 160 } 161 } 162 163 // Validate manually entered text content. Validation logic derived from \MoodleQuickForm_Rule_Required::validate() 164 // without the checking of the "strictformsrequired" admin setting. 165 if ($data['contenttype'] == static::CONTENTTYPE_MANUAL) { 166 $value = $data['content']['text'] ?? ''; 167 168 // All tags except img, canvas and hr, plus all forms of whitespaces. 169 $stripvalues = [ 170 '#</?(?!img|canvas|hr).*?>#im', 171 '#(\xc2\xa0|\s| )#', 172 ]; 173 $value = preg_replace($stripvalues, '', (string)$value); 174 if (empty($value)) { 175 $errors['contenthtmlgrp'] = get_string('required'); 176 } 177 } 178 179 return $errors; 180 } 181 182 /** 183 * Load in existing data as form defaults. Usually new entry defaults are stored directly in 184 * form definition (new entry form); this function is used to load in data where values 185 * already exist and data is being edited (edit entry form). 186 * 187 * @param stdClass|array $data object or array of default values 188 */ 189 public function set_data($data): void { 190 $data = (object) $data; 191 if (!isset($data->contenttype)) { 192 if (!empty($data->content['text']) && helper::is_language_string_from_input($data->content['text'])) { 193 $data->contenttype = static::CONTENTTYPE_LANGSTRING; 194 $data->contentlangstring = $data->content['text']; 195 196 // Empty the editor content. 197 $data->content = ['text' => '']; 198 } else { 199 $data->contenttype = static::CONTENTTYPE_MANUAL; 200 } 201 } 202 parent::set_data($data); 203 } 204 205 /** 206 * Return submitted data if properly submitted or returns NULL if validation fails or 207 * if there is no submitted data. 208 * 209 * @return object|null submitted data; NULL if not valid or not submitted or cancelled 210 */ 211 public function get_data(): ?object { 212 $data = parent::get_data(); 213 if ($data) { 214 if ($data->contenttype == static::CONTENTTYPE_LANGSTRING) { 215 $data->content = [ 216 'text' => $data->contentlangstring, 217 'format' => FORMAT_MOODLE, 218 ]; 219 } 220 } 221 return $data; 222 } 223 }
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