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<?php
// 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/>.
/**
* Defines the custom question bank view used on the Edit quiz page.
*
* @package mod_quiz
* @category question
* @copyright 1999 onwards Martin Dougiamas and others {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_quiz\question\bank;
defined('MOODLE_INTERNAL') || die();
/**
* Subclass to customise the view of the question bank for the quiz editing screen.
*
* @copyright 2009 Tim Hunt
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class custom_view extends \core_question\bank\view {
/** @var bool whether the quiz this is used by has been attemptd. */
protected $quizhasattempts = false;
/** @var \stdClass the quiz settings. */
protected $quiz = false;
/** @var int The maximum displayed length of the category info. */
const MAX_TEXT_LENGTH = 200;
/**
* Constructor
* @param \question_edit_contexts $contexts
* @param \moodle_url $pageurl
* @param \stdClass $course course settings
* @param \stdClass $cm activity settings.
* @param \stdClass $quiz quiz settings.
*/
public function __construct($contexts, $pageurl, $course, $cm, $quiz) {
parent::__construct($contexts, $pageurl, $course, $cm);
$this->quiz = $quiz;
}
protected function wanted_columns() {
global $CFG;
if (empty($CFG->quizquestionbankcolumns)) {
$quizquestionbankcolumns = array(
'add_action_column',
'checkbox_column',
'question_type_column',
'question_name_text_column',
'preview_action_column',
);
} else {
$quizquestionbankcolumns = explode(',', $CFG->quizquestionbankcolumns);
}
foreach ($quizquestionbankcolumns as $fullname) {
if (!class_exists($fullname)) {
if (class_exists('mod_quiz\\question\\bank\\' . $fullname)) {
$fullname = 'mod_quiz\\question\\bank\\' . $fullname;
} else if (class_exists('core_question\\bank\\' . $fullname)) {
$fullname = 'core_question\\bank\\' . $fullname;
} else if (class_exists('question_bank_' . $fullname)) {
debugging('Legacy question bank column class question_bank_' .
$fullname . ' should be renamed to mod_quiz\\question\\bank\\' .
$fullname, DEBUG_DEVELOPER);
$fullname = 'question_bank_' . $fullname;
} else {
throw new coding_exception("No such class exists: $fullname");
}
}
$this->requiredcolumns[$fullname] = new $fullname($this);
}
return $this->requiredcolumns;
}
/**
* Specify the column heading
*
* @return string Column name for the heading
*/
protected function heading_column() {
return 'mod_quiz\\question\\bank\\question_name_text_column';
}
protected function default_sort() {
return array(
'core_question\\bank\\question_type_column' => 1,
'mod_quiz\\question\\bank\\question_name_text_column' => 1,
);
}
/**
* Let the question bank display know whether the quiz has been attempted,
* hence whether some bits of UI, like the add this question to the quiz icon,
* should be displayed.
* @param bool $quizhasattempts whether the quiz has attempts.
*/
public function set_quiz_has_attempts($quizhasattempts) {
$this->quizhasattempts = $quizhasattempts;
if ($quizhasattempts && isset($this->visiblecolumns['addtoquizaction'])) {
unset($this->visiblecolumns['addtoquizaction']);
}
}
public function preview_question_url($question) {
return quiz_question_preview_url($this->quiz, $question);
}
public function add_to_quiz_url($questionid) {
global $CFG;
$params = $this->baseurl->params();
$params['addquestion'] = $questionid;
$params['sesskey'] = sesskey();
return new \moodle_url('/mod/quiz/edit.php', $params);
}
/**
* Renders the html question bank (same as display, but returns the result).
*
* Note that you can only output this rendered result once per page, as
* it contains IDs which must be unique.
*
* @return string HTML code for the form
*/
public function render($tabname, $page, $perpage, $cat, $recurse, $showhidden,
$showquestiontext, $tagids = []) {
ob_start();
$this->display($tabname, $page, $perpage, $cat, $recurse, $showhidden, $showquestiontext, $tagids);
$out = ob_get_contents();
ob_end_clean();
return $out;
}
/**
* Display the controls at the bottom of the list of questions.
* @param int $totalnumber Total number of questions that might be shown (if it was not for paging).
* @param bool $recurse Whether to include subcategories.
* @param \stdClass $category The question_category row from the database.
* @param \context $catcontext The context of the category being displayed.
* @param array $addcontexts contexts where the user is allowed to add new questions.
*/
protected function display_bottom_controls($totalnumber, $recurse, $category, \context $catcontext, array $addcontexts) {
$cmoptions = new \stdClass();
$cmoptions->hasattempts = !empty($this->quizhasattempts);
$canuseall = has_capability('moodle/question:useall', $catcontext);
echo '<div class="modulespecificbuttonscontainer">';
if ($canuseall) {
// Add selected questions to the quiz.
$params = array(
'type' => 'submit',
'name' => 'add',
'class' => 'btn btn-primary',
'value' => get_string('addselectedquestionstoquiz', 'quiz'),
);
if ($cmoptions->hasattempts) {
$params['disabled'] = 'disabled';
}
echo \html_writer::empty_tag('input', $params);
}
echo "</div>\n";
}
/**
* Prints a form to choose categories.
* @param string $categoryandcontext 'categoryID,contextID'.
* @deprecated since Moodle 2.6 MDL-40313.
* @see \core_question\bank\search\category_condition
* @todo MDL-41978 This will be deleted in Moodle 2.8
*/
protected function print_choose_category_message($categoryandcontext) {
global $OUTPUT;
debugging('print_choose_category_message() is deprecated, ' .
'please use \core_question\bank\search\category_condition instead.', DEBUG_DEVELOPER);
echo $OUTPUT->box_start('generalbox questionbank');
$this->display_category_form($this->contexts->having_one_edit_tab_cap('edit'),
$this->baseurl, $categoryandcontext);
echo "<p style=\"text-align:center;\"><b>";
print_string('selectcategoryabove', 'question');
echo "</b></p>";
echo $OUTPUT->box_end();
}
protected function display_options_form($showquestiontext, $scriptpath = '/mod/quiz/edit.php',
$showtextoption = false) {
// Overridden just to change the default values of the arguments.
parent::display_options_form($showquestiontext, $scriptpath, $showtextoption);
}
protected function print_category_info($category) {
$formatoptions = new stdClass();
$formatoptions->noclean = true;
$strcategory = get_string('category', 'quiz');
echo '<div class="categoryinfo"><div class="categorynamefieldcontainer">' .
$strcategory;
echo ': <span class="categorynamefield">';
echo shorten_text(strip_tags(format_string($category->name)), 60);
echo '</span></div><div class="categoryinfofieldcontainer">' .
'<span class="categoryinfofield">';
echo shorten_text(strip_tags(format_text($category->info, $category->infoformat,
$formatoptions, $this->course->id)), 200);
echo '</span></div></div>';
}
protected function display_options($recurse, $showhidden, $showquestiontext) {
debugging('display_options() is deprecated, see display_options_form() instead.', DEBUG_DEVELOPER);
echo '<form method="get" action="edit.php" id="displayoptions">';
echo "<fieldset class='invisiblefieldset'>";
echo \html_writer::input_hidden_params($this->baseurl,
array('recurse', 'showhidden', 'qbshowtext'));
$this->display_category_form_checkbox('recurse', $recurse,
get_string('includesubcategories', 'question'));
$this->display_category_form_checkbox('showhidden', $showhidden,
get_string('showhidden', 'question'));
echo '<noscript><div class="centerpara"><input type="submit" value="' .
get_string('go') . '" />';
echo '</div></noscript></fieldset></form>';
}
protected function create_new_question_form($category, $canadd) {
// Don't display this.
}
/**
* Override the base implementation in \core_question\bank\view
* because we don't want to print the headers in the fragment
* for the modal.
*/
protected function display_question_bank_header() {
}
/**
* Override the base implementation in \core_question\bank\view
* because we don't want it to read from the $_POST global variables
* for the sort parameters since they are not present in a fragment.
*
* Unfortunately the best we can do is to look at the URL for
* those parameters (only marginally better really).
*/
protected function init_sort_from_params() {
$this->sort = [];
for ($i = 1; $i <= self::MAX_SORTS; $i++) {
if (!$sort = $this->baseurl->param('qbs' . $i)) {
break;
}
// Work out the appropriate order.
$order = 1;
if ($sort[0] == '-') {
$order = -1;
$sort = substr($sort, 1);
if (!$sort) {
break;
}
}
// Deal with subsorts.
list($colname, $subsort) = $this->parse_subsort($sort);
$this->requiredcolumns[$colname] = $this->get_column_type($colname);
$this->sort[$sort] = $order;
}
}
}