2 // This file is part of Moodle - http://moodle.org/
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.
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.
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/>.
22 * @copyright 2013 David Monllaó
23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
26 // NOTE: no MOODLE_INTERNAL test here, this file may be required by behat before including /config.php.
28 use Behat\Mink\Session as Session,
29 Behat\Mink\Element\NodeElement as NodeElement,
30 Behat\Mink\Exception\ElementNotFoundException as ElementNotFoundException,
31 Behat\MinkExtension\Context\RawMinkContext as RawMinkContext;
34 * Helper to interact with form fields.
38 * @copyright 2013 David Monllaó
39 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
41 class behat_field_manager {
44 * Gets an instance of the form field from it's label
46 * @param string $label
47 * @param RawMinkContext $context
48 * @return behat_form_field
50 public static function get_form_field_from_label($label, RawMinkContext $context) {
51 // There are moodle form elements that are not directly related with
52 // a basic HTML form field, we should also take care of them.
54 $fieldnode = $context->find_field($label);
56 // The behat field manager.
57 return self::get_form_field($fieldnode, $context->getSession());
61 * Gets an instance of the form field.
63 * Not all the fields are part of a moodle form, in this
64 * cases it fallsback to the generic form field. Also note
65 * that this generic field type is using a generic setValue()
66 * method from the Behat API, which is not always good to set
67 * the value of form elements.
69 * @param NodeElement $fieldnode
70 * @param Session $session The behat browser session
71 * @return behat_form_field
73 public static function get_form_field(NodeElement $fieldnode, Session $session) {
75 // Get the field type if is part of a moodleform.
76 if (self::is_moodleform_field($fieldnode)) {
77 // This might go out of scope, finding element beyond the dom and fail. So fallback to guessing type.
79 $type = self::get_field_node_type($fieldnode, $session);
80 } catch (WebDriver\Exception\InvalidSelector $e) {
85 // If is not a moodleforms field use the base field type.
90 return self::get_field_instance($type, $fieldnode, $session);
94 * Returns the appropiate behat_form_field according to the provided type.
96 * It defaults to behat_form_field.
98 * @param string $type The field type (checkbox, date_selector, text...)
99 * @param NodeElement $fieldnode
100 * @param Session $session The behat session
101 * @return behat_form_field
103 public static function get_field_instance($type, NodeElement $fieldnode, Session $session) {
106 // If the field is not part of a moodleform, we should still try to find out
107 // which field type are we dealing with.
108 if ($type == 'field' &&
109 $guessedtype = self::guess_field_type($fieldnode, $session)) {
110 $type = $guessedtype;
113 $classname = 'behat_form_' . $type;
115 // Fallsback on the type guesser if nothing specific exists.
116 $classpath = $CFG->libdir . '/behat/form_field/' . $classname . '.php';
117 if (!file_exists($classpath)) {
118 $classname = 'behat_form_field';
119 $classpath = $CFG->libdir . '/behat/form_field/' . $classname . '.php';
122 // Returns the instance.
123 require_once($classpath);
124 return new $classname($session, $fieldnode);
128 * Guesses a basic field type and returns it.
130 * This method is intended to detect HTML form fields when no
131 * moodleform-specific elements have been detected.
133 * @param NodeElement $fieldnode
134 * @param Session $session
135 * @return string|bool The field type or false.
137 public static function guess_field_type(NodeElement $fieldnode, Session $session) {
139 // Textareas are considered text based elements.
140 $tagname = strtolower($fieldnode->getTagName());
141 if ($tagname == 'textarea') {
143 // If there is an iframe with $id + _ifr there a TinyMCE editor loaded.
144 $xpath = '//div[@id="' . $fieldnode->getAttribute('id') . 'editable"]';
145 if ($session->getPage()->find('xpath', $xpath)) {
150 } else if ($tagname == 'input') {
151 $type = $fieldnode->getAttribute('type');
154 if ($fieldtype = $fieldnode->getAttribute('data-fieldtype')) {
155 return self::normalise_fieldtype($fieldtype);
169 // Here we return false because all text-based
170 // fields should be included in the first switch case.
174 } else if ($tagname == 'select') {
177 } else if ($tagname == 'span') {
178 if ($fieldnode->hasAttribute('data-inplaceeditable') && $fieldnode->getAttribute('data-inplaceeditable')) {
179 return 'inplaceeditable';
183 // We can not provide a closer field type.
188 * Detects when the field is a moodleform field type.
190 * Note that there are fields inside moodleforms that are not
191 * moodleform element; this method can not detect this, this will
192 * be managed by get_field_node_type, after failing to find the form
193 * element element type.
195 * @param NodeElement $fieldnode
198 protected static function is_moodleform_field(NodeElement $fieldnode) {
200 // We already waited when getting the NodeElement and we don't want an exception if it's not part of a moodleform.
201 $parentformfound = $fieldnode->find('xpath',
202 "/ancestor::form[contains(concat(' ', normalize-space(@class), ' '), ' mform ')]"
205 return ($parentformfound != false);
209 * Recursive method to find the field type.
211 * Depending on the field the felement class node is in a level or in another. We
212 * look recursively for a parent node with a 'felement' class to find the field type.
214 * @param NodeElement $fieldnode The current node.
215 * @param Session $session The behat browser session
216 * @return mixed A NodeElement if we continue looking for the element type and String or false when we are done.
218 protected static function get_field_node_type(NodeElement $fieldnode, Session $session) {
220 // Special handling for availability field which requires custom JavaScript.
221 if ($fieldnode->getAttribute('name') === 'availabilityconditionsjson') {
222 return 'availability';
225 if ($fieldnode->getTagName() == 'html') {
229 // If the type is explictly set on the element pointed to by the label - use it.
230 $fieldtype = $fieldnode->getAttribute('data-fieldtype');
232 return self::normalise_fieldtype($fieldtype);
235 if (!empty($fieldnode->find('xpath', '/ancestor::*[@data-passwordunmaskid]'))) {
236 return 'passwordunmask';
239 // Fetch the parentnode only once.
240 $parentnode = $fieldnode->getParent();
242 // Check the parent fieldtype before we check classes.
243 $fieldtype = $parentnode->getAttribute('data-fieldtype');
245 return self::normalise_fieldtype($fieldtype);
248 // We look for a parent node with 'felement' class.
249 if ($class = $parentnode->getAttribute('class')) {
250 if (strstr($class, 'felement') != false) {
251 // Remove 'felement f' from class value.
252 return substr($class, 10);
255 // Stop propagation through the DOM, if it does not have a felement is not part of a moodle form.
256 if (strstr($class, 'fcontainer') != false) {
261 return self::get_field_node_type($parentnode, $session);
265 * Normalise the field type.
267 * @param string $fieldtype
270 protected static function normalise_fieldtype(string $fieldtype): string {
271 if ($fieldtype === 'tags') {
272 return 'autocomplete';
279 * Gets an instance of the form field.
281 * Not all the fields are part of a moodle form, in this
282 * cases it fallsback to the generic form field. Also note
283 * that this generic field type is using a generic setValue()
284 * method from the Behat API, which is not always good to set
285 * the value of form elements.
287 * @deprecated since Moodle 2.6 MDL-39634 - please do not use this function any more.
288 * @todo MDL-XXXXX This will be deleted in Moodle 2.8
289 * @see behat_field_manager::get_form_field()
290 * @param NodeElement $fieldnode
291 * @param string $locator
292 * @param Session $session The behat browser session
293 * @return behat_form_field
295 public static function get_field(NodeElement $fieldnode, $locator, Session $session) {
296 debugging('Function behat_field_manager::get_field() is deprecated, ' .
297 'please use function behat_field_manager::get_form_field() instead', DEBUG_DEVELOPER);
299 return self::get_form_field($fieldnode, $session);
303 * Recursive method to find the field type.
305 * Depending on the field the felement class node is in a level or in another. We
306 * look recursively for a parent node with a 'felement' class to find the field type.
308 * @deprecated since Moodle 2.6 MDL-39634 - please do not use this function any more.
309 * @todo MDL-XXXXX This will be deleted in Moodle 2.8
310 * @see behat_field_manager::get_field_node_type()
311 * @param NodeElement $fieldnode The current node.
312 * @param string $locator
313 * @param Session $session The behat browser session
314 * @return mixed A NodeElement if we continue looking for the element type and String or false when we are done.
316 protected static function get_node_type(NodeElement $fieldnode, $locator, Session $session) {
317 debugging('Function behat_field_manager::get_node_type() is deprecated, ' .
318 'please use function behat_field_manager::get_field_node_type() instead', DEBUG_DEVELOPER);
320 return self::get_field_node_type($fieldnode, $session);