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1063 lines
34 KiB
1063 lines
34 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Class Testcategory
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* @author hubert.borderiou
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* @author Julio Montoya - several fixes
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* @todo rename to ExerciseCategory
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*/
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class Testcategory
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{
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public $id;
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public $name;
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public $description;
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/**
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* Constructor of the class Category
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* @author - Hubert Borderiou
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* If you give an in_id and no in_name, you get info concerning the category of id=in_id
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* otherwise, you've got an category objet avec your in_id, in_name, in_descr
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*
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* @param int $in_id
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* @param string $in_name
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* @param string $in_description
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*/
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public function Testcategory($in_id=0, $in_name = '', $in_description="")
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{
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if ($in_id != 0 && $in_name == "") {
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$tmpobj = new Testcategory();
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$tmpobj->getCategory($in_id);
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$this->id = $tmpobj->id;
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$this->name = $tmpobj->name;
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$this->description = $tmpobj->description;
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} else {
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$this->id = $in_id;
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$this->name = $in_name;
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$this->description = $in_description;
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}
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}
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/**
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* return the Testcategory object with id=in_id
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* @param $in_id
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*/
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public function getCategory($in_id)
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{
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$t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$in_id = intval($in_id);
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$sql = "SELECT * FROM $t_cattable
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WHERE id = $in_id AND c_id=".api_get_course_int_id();
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$res = Database::query($sql);
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$numrows = Database::num_rows($res);
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if ($numrows > 0) {
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$row = Database::fetch_array($res);
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$this->id = $row['id'];
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$this->name = $row['title'];
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$this->description = $row['description'];
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}
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}
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/**
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* add Testcategory in the database if name doesn't already exists
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*/
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public function addCategoryInBDD()
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{
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$t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$v_name = $this->name;
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$v_name = Database::escape_string($v_name);
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$v_description = $this->description;
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$v_description = Database::escape_string($v_description);
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// check if name already exists
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$sql = "SELECT count(*) AS nb FROM $t_cattable
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WHERE title = '$v_name' AND c_id=".api_get_course_int_id();
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$result_verif = Database::query($sql);
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$data_verif = Database::fetch_array($result_verif);
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// lets add in BDD if not the same name
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if ($data_verif['nb'] <= 0) {
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$c_id = api_get_course_int_id();
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$sql = "INSERT INTO $t_cattable VALUES ('$c_id', '', '$v_name', '$v_description')";
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Database::query($sql);
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$new_id = Database::insert_id();
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// add test_category in item_property table
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$course_code = api_get_course_id();
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$course_info = api_get_course_info($course_code);
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api_item_property_update(
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$course_info,
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TOOL_TEST_CATEGORY,
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$new_id,
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'TestCategoryAdded',
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api_get_user_id()
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);
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return $new_id;
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} else {
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return false;
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}
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}
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/**
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* Removes the category from the database
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* if there were question in this category, the link between question and category is removed
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*/
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public function removeCategory()
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{
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$t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$tbl_question_rel_cat = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$v_id = intval($this->id);
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$sql = "DELETE FROM $t_cattable WHERE id=$v_id AND c_id=".api_get_course_int_id();
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Database::query($sql);
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if (Database::affected_rows() <= 0) {
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return false;
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} else {
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// remove link between question and category
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$sql2 = "DELETE FROM $tbl_question_rel_cat WHERE category_id=$v_id AND c_id=".api_get_course_int_id();
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Database::query($sql2);
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// item_property update
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$course_code = api_get_course_id();
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$course_info = api_get_course_info($course_code);
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api_item_property_update($course_info, TOOL_TEST_CATEGORY, $this->id, 'TestCategoryDeleted', api_get_user_id());
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return true;
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}
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}
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/**
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* Modify category name or description of category with id=in_id
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*/
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public function modifyCategory()
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{
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$t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$v_id = intval($this->id);
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$v_name = Database::escape_string($this->name);
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$v_description = Database::escape_string($this->description);
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$sql = "UPDATE $t_cattable SET title='$v_name', description='$v_description'
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WHERE id = $v_id AND c_id=".api_get_course_int_id();
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Database::query($sql);
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if (Database::affected_rows() <= 0) {
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return false;
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} else {
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// item_property update
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$course_code = api_get_course_id();
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$course_info = api_get_course_info($course_code);
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api_item_property_update(
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$course_info,
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TOOL_TEST_CATEGORY,
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$this->id,
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'TestCategoryModified',
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api_get_user_id()
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);
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return true;
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}
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}
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/**
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* Gets the number of question of category id=in_id
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*/
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public function getCategoryQuestionsNumber()
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{
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$t_reltable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$in_id = intval($this->id);
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$sql = "SELECT count(*) AS nb FROM $t_reltable
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WHERE category_id=$in_id AND c_id=".api_get_course_int_id();
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$res = Database::query($sql);
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$row = Database::fetch_array($res);
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return $row['nb'];
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}
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/**
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* @param string $in_color
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*/
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public function display($in_color="#E0EBF5")
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{
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echo "<textarea style='background-color:$in_color; width:60%; height:100px;'>";
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print_r($this);
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echo "</textarea>";
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}
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/**
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* Return an array of all Category objects in the database
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If in_field=="" Return an array of all category objects in the database
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Otherwise, return an array of all in_field value in the database (in_field = id or name or description)
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*/
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public static function getCategoryListInfo($in_field="", $in_courseid="")
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{
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if (empty($in_courseid) || $in_courseid=="") {
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$in_courseid = api_get_course_int_id();
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}
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$t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$in_field = Database::escape_string($in_field);
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$tabres = array();
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if ($in_field=="") {
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$sql = "SELECT * FROM $t_cattable WHERE c_id=$in_courseid ORDER BY title ASC";
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$res = Database::query($sql);
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while ($row = Database::fetch_array($res)) {
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$tmpcat = new Testcategory($row['id'], $row['title'], $row['description']);
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$tabres[] = $tmpcat;
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}
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} else {
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$sql = "SELECT $in_field FROM $t_cattable WHERE c_id=$in_courseid ORDER BY $in_field ASC";
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$res = Database::query($sql);
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while ($row = Database::fetch_array($res)) {
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$tabres[] = $row[$in_field];
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}
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}
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return $tabres;
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}
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/**
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* Return the testcategory id for question with question_id = $in_questionid
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* In this version, a question has only 1 testcategory.
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* Return the testcategory id, 0 if none
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* @param int $questionId
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* @param int $courseId
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*
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* @return int
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*/
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public static function getCategoryForQuestion($questionId, $courseId ="")
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{
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$result = 0;
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if (empty($courseId) || $courseId=="") {
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$courseId = api_get_course_int_id();
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}
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$table = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$questionId = intval($questionId);
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$sql = "SELECT category_id FROM $table
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WHERE question_id = $questionId AND c_id = $courseId";
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$res = Database::query($sql);
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if (Database::num_rows($res) > 0) {
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$data = Database::fetch_array($res);
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$result = $data['category_id'];
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}
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return $result;
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}
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/**
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* true if question id has a category
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*/
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public static function isQuestionHasCategory($in_questionid)
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{
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if (Testcategory::getCategoryForQuestion($in_questionid) > 0) {
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return true;
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}
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return false;
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}
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/**
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Return the category name for question with question_id = $in_questionid
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In this version, a question has only 1 category.
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Return the category id, "" if none
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*/
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public static function getCategoryNameForQuestion($in_questionid, $in_courseid="")
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{
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if (empty($in_courseid) || $in_courseid=="") {
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$in_courseid = api_get_course_int_id();
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}
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$catid = Testcategory::getCategoryForQuestion($in_questionid, $in_courseid);
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$result = ""; // result
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$t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$catid = intval($catid);
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$sql = "SELECT title FROM $t_cattable WHERE id = $catid AND c_id = $in_courseid";
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$res = Database::query($sql);
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$data = Database::fetch_array($res);
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if (Database::num_rows($res) > 0) {
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$result = $data['title'];
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}
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return $result;
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}
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/**
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* Return the list of differents categories ID for a test in the current course
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* input : test_id
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* return : array of category id (integer)
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* hubert.borderiou 07-04-2011
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* @param int $exerciseId
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*/
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public static function getListOfCategoriesIDForTest($exerciseId)
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{
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// parcourir les questions d'un test, recup les categories uniques dans un tableau
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$exercise = new Exercise();
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$exercise->read($exerciseId, false);
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$categoriesInExercise = $exercise->getQuestionWithCategories();
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$categories = array();
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if (!empty($categoriesInExercise)) {
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foreach ($categoriesInExercise as $category) {
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//$category['id'] = $category['iid'];
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$categories[$category['id']] = $category;
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}
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}
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return $categories;
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}
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/**
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* @param Exercise $exercise_obj
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* @return array
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*/
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public static function getListOfCategoriesIDForTestObject(Exercise $exercise_obj)
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{
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// parcourir les questions d'un test, recup les categories uniques dans un tableau
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$categories_in_exercise = array();
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// $question_list = $exercise_obj->getQuestionList();
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$question_list = $exercise_obj->getQuestionOrderedListByName();
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// the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ???
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foreach ($question_list as $questionInfo) {
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$question_id = $questionInfo['question_id'];
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$category_list = Testcategory::getCategoryForQuestion($question_id);
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if (is_numeric($category_list)) {
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$category_list = array($category_list);
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}
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if (!empty($category_list)) {
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$categories_in_exercise = array_merge($categories_in_exercise, $category_list);
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}
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}
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if (!empty($categories_in_exercise)) {
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$categories_in_exercise = array_unique(array_filter($categories_in_exercise));
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}
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return $categories_in_exercise;
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}
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/**
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* Return the list of differents categories NAME for a test
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* @param int exercise id
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* @param bool
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* @return array of string
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*
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* @author function rewrote by jmontoya
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*/
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public static function getListOfCategoriesNameForTest($exercise_id, $grouped_by_category = true)
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{
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$result = array();
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$categories = self::getListOfCategoriesIDForTest($exercise_id, $grouped_by_category);
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foreach ($categories as $catInfo) {
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$categoryId = $catInfo['id'];
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if (!empty($categoryId)) {
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$result[$categoryId] = array(
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'title' => $catInfo['title'],
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//'parent_id' => $catInfo['parent_id'],
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'parent_id' => '',
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'c_id' => $catInfo['c_id']
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);
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}
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}
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return $result;
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}
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/**
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* @param Exercise $exercise_obj
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* @return array
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*/
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public static function getListOfCategoriesForTest(Exercise $exercise_obj) {
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$result = array();
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$categories = self::getListOfCategoriesIDForTestObject($exercise_obj);
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foreach ($categories as $cat_id) {
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$cat = new Testcategory($cat_id);
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$cat = (array)$cat;
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$cat['iid'] = $cat['id'];
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$cat['title'] = $cat['name'];
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$result[$cat['id']] = $cat;
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}
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return $result;
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}
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/**
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* return the number of differents categories for a test
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* input : test_id
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* return : integer
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* hubert.borderiou 07-04-2011
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*/
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public static function getNumberOfCategoriesForTest($id)
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{
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return count(Testcategory::getListOfCategoriesIDForTest($id));
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}
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/**
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* return the number of question of a category id in a test
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* input : test_id, category_id
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* return : integer
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* hubert.borderiou 07-04-2011
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*/
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public static function getNumberOfQuestionsInCategoryForTest($in_testid, $in_categoryid)
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{
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$nbCatResult = 0;
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$quiz = new Exercise();
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$quiz->read($in_testid);
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$tabQuestionList = $quiz->selectQuestionList();
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// the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ? ? ?
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for ($i=1; $i <= count($tabQuestionList); $i++) {
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if (isset($tabQuestionList[$i]) &&
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Testcategory::getCategoryForQuestion($tabQuestionList[$i]) == $in_categoryid
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) {
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$nbCatResult++;
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}
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}
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return $nbCatResult;
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}
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/**
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* return the number of question for a test using random by category
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* input : test_id, number of random question (min 1)
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* hubert.borderiou 07-04-2011
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* question without categories are not counted
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*/
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public static function getNumberOfQuestionRandomByCategory($in_testid, $in_nbrandom)
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{
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$nbquestionresult = 0;
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$tabcatid = Testcategory::getListOfCategoriesIDForTest($in_testid);
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for ($i=0; $i < count($tabcatid); $i++) {
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// 0 = no category for this question
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if (isset($tabcatid[$i]) && $tabcatid[$i] > 0) {
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$nbQuestionInThisCat = Testcategory::getNumberOfQuestionsInCategoryForTest(
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$in_testid,
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$tabcatid[$i]
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);
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if ($nbQuestionInThisCat > $in_nbrandom) {
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$nbquestionresult += $in_nbrandom;
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} else {
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$nbquestionresult += $nbQuestionInThisCat;
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}
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}
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}
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return $nbquestionresult;
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}
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/**
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* Return an array (id=>name)
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* tabresult[0] = get_lang('NoCategory');
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*
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*/
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public static function getCategoriesIdAndName($in_courseid="")
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{
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if (empty($in_courseid) || $in_courseid=="") {
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$in_courseid = api_get_course_int_id();
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}
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$tabcatobject = Testcategory::getCategoryListInfo("", $in_courseid);
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$tabresult = array("0"=>get_lang('NoCategorySelected'));
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for ($i=0; $i < count($tabcatobject); $i++) {
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$tabresult[$tabcatobject[$i]->id] = $tabcatobject[$i]->name;
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}
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return $tabresult;
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}
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/**
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* Returns an array of question ids for each category
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* $categories[1][30] = 10, array with category id = 1 and question_id = 10
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* A question has "n" categories
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* @param int exercise
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* @param array $check_in_question_list
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* @param array $categoriesAddedInExercise
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*
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* @return array
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*/
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static function getQuestionsByCat(
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$exerciseId,
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$check_in_question_list = array(),
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$categoriesAddedInExercise = array()
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) {
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$tableQuestion = Database::get_course_table(TABLE_QUIZ_QUESTION);
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$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
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$TBL_QUESTION_REL_CATEGORY = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$categoryTable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$exerciseId = intval($exerciseId);
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$courseId = api_get_course_int_id();
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$sql = "SELECT DISTINCT qrc.question_id, qrc.category_id
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FROM $TBL_QUESTION_REL_CATEGORY qrc
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INNER JOIN $TBL_EXERCICE_QUESTION eq
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ON (eq.question_id = qrc.question_id)
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INNER JOIN $categoryTable c
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ON (c.id = qrc.category_id)
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INNER JOIN $tableQuestion q
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ON (q.id = qrc.question_id )
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WHERE
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exercice_id = $exerciseId AND
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qrc.c_id = ".$courseId."
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";
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$res = Database::query($sql);
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$categories = array();
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while ($data = Database::fetch_array($res)) {
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if (!empty($check_in_question_list)) {
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if (!in_array($data['question_id'], $check_in_question_list)) {
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continue;
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}
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}
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|
|
if (!isset($categories[$data['category_id']]) ||
|
|
!is_array($categories[$data['category_id']])
|
|
) {
|
|
$categories[$data['category_id']] = array();
|
|
}
|
|
|
|
$categories[$data['category_id']][] = $data['question_id'];
|
|
}
|
|
|
|
if (!empty($categoriesAddedInExercise)) {
|
|
$newCategoryList = array();
|
|
foreach ($categoriesAddedInExercise as $category) {
|
|
$categoryId = $category['category_id'];
|
|
if (isset($categories[$categoryId])) {
|
|
$newCategoryList[$categoryId] = $categories[$categoryId];
|
|
}
|
|
}
|
|
|
|
$checkQuestionsWithNoCategory = false;
|
|
foreach ($categoriesAddedInExercise as $category) {
|
|
if (empty($category['category_id'])) {
|
|
// Check
|
|
$checkQuestionsWithNoCategory = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Select questions that don't have any category related
|
|
if ($checkQuestionsWithNoCategory) {
|
|
$originalQuestionList = $check_in_question_list;
|
|
foreach ($originalQuestionList as $questionId) {
|
|
$categoriesFlatten = array_flatten($categories);
|
|
if (!in_array($questionId, $categoriesFlatten)) {
|
|
$newCategoryList[0][] = $questionId;
|
|
}
|
|
}
|
|
}
|
|
|
|
$categories = $newCategoryList;
|
|
|
|
}
|
|
|
|
return $categories;
|
|
}
|
|
|
|
/**
|
|
* return a tab of $in_number random elements of $in_tab
|
|
*
|
|
* @param $in_tab
|
|
* @param $in_number
|
|
* @return array
|
|
*/
|
|
public static function getNElementsFromArray($in_tab, $in_number)
|
|
{
|
|
$tabres = $in_tab;
|
|
shuffle($tabres);
|
|
if ($in_number < count($tabres)) {
|
|
$tabres = array_slice($tabres, 0, $in_number);
|
|
}
|
|
return $tabres;
|
|
}
|
|
|
|
/**
|
|
* display the category
|
|
*/
|
|
public static function displayCategoryAndTitle($in_questionID, $in_display_category_name = 1)
|
|
{
|
|
echo self::returnCategoryAndTitle($in_questionID, $in_display_category_name);
|
|
}
|
|
|
|
/**
|
|
* @param $in_questionID
|
|
* @param int $in_display_category_name
|
|
* @return null|string
|
|
*/
|
|
public static function returnCategoryAndTitle($in_questionID, $in_display_category_name = 1) {
|
|
$is_student = !(api_is_allowed_to_edit(null,true) || api_is_session_admin());
|
|
// @todo fix $_SESSION['objExercise']
|
|
$objExercise = isset($_SESSION['objExercise']) ? $_SESSION['objExercise'] : null;
|
|
if (!empty($objExercise)) {
|
|
$in_display_category_name = $objExercise->display_category_name;
|
|
}
|
|
$content = null;
|
|
if (Testcategory::getCategoryNameForQuestion($in_questionID) != "" && ($in_display_category_name == 1 || !$is_student)) {
|
|
$content .= '<div class="page-header">';
|
|
$content .= '<h4>'.get_lang('Category').": ".Testcategory::getCategoryNameForQuestion($in_questionID).'</h4>';
|
|
$content .= "</div>";
|
|
}
|
|
return $content;
|
|
}
|
|
|
|
/**
|
|
* Display signs [+] and/or (>0) after question title if question has options
|
|
* scoreAlwaysPositive and/or uncheckedMayScore
|
|
*/
|
|
public function displayQuestionOption($in_objQuestion)
|
|
{
|
|
if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->scoreAlwaysPositive) {
|
|
echo "<span style='font-size:75%'> (>0)</span>";
|
|
}
|
|
if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->uncheckedMayScore) {
|
|
echo "<span style='font-size:75%'> [+]</span>";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* sortTabByBracketLabel ($tabCategoryQuestions)
|
|
* key of $tabCategoryQuestions are the category id (0 for not in a category)
|
|
* value is the array of question id of this category
|
|
* Sort question by Category
|
|
*/
|
|
public static function sortTabByBracketLabel($in_tab)
|
|
{
|
|
$tabResult = array();
|
|
$tabCatName = array(); // tab of category name
|
|
while (list($cat_id, $tabquestion) = each($in_tab)) {
|
|
$catTitle = new Testcategory($cat_id);
|
|
$tabCatName[$cat_id] = $catTitle->name;
|
|
}
|
|
reset($in_tab);
|
|
// sort table by value, keeping keys as they are
|
|
asort($tabCatName);
|
|
// keys of $tabCatName are keys order for $in_tab
|
|
while (list($key, $val) = each($tabCatName)) {
|
|
$tabResult[$key] = $in_tab[$key];
|
|
}
|
|
return $tabResult;
|
|
}
|
|
|
|
/**
|
|
* return total score for test exe_id for all question in the category $in_cat_id for user
|
|
* If no question for this category, return ""
|
|
*/
|
|
public static function getCatScoreForExeidForUserid($in_cat_id, $in_exe_id, $in_user_id)
|
|
{
|
|
$tbl_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
|
|
$tbl_question_rel_category = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
|
|
$in_cat_id = intval($in_cat_id);
|
|
$in_exe_id = intval($in_exe_id);
|
|
$in_user_id = intval($in_user_id);
|
|
|
|
$query = "SELECT DISTINCT
|
|
marks, exe_id, user_id, ta.question_id, category_id
|
|
FROM $tbl_track_attempt ta , $tbl_question_rel_category qrc
|
|
WHERE
|
|
ta.question_id=qrc.question_id AND
|
|
qrc.category_id=$in_cat_id AND
|
|
exe_id=$in_exe_id AND user_id=$in_user_id";
|
|
$res = Database::query($query);
|
|
$totalcatscore = "";
|
|
while ($data = Database::fetch_array($res)) {
|
|
$totalcatscore += $data['marks'];
|
|
}
|
|
return $totalcatscore;
|
|
}
|
|
|
|
/**
|
|
* return the number max of question in a category
|
|
* count the number of questions in all categories, and return the max
|
|
* @author - hubert borderiou
|
|
*/
|
|
public static function getNumberMaxQuestionByCat($in_testid)
|
|
{
|
|
$res_num_max = 0;
|
|
// foreach question
|
|
$tabcatid = Testcategory::getListOfCategoriesIDForTest($in_testid);
|
|
for ($i=0; $i < count($tabcatid); $i++) {
|
|
if (isset($tabcatid[$i]) && $tabcatid[$i] > 0) {
|
|
// 0 = no category for this question
|
|
$nbQuestionInThisCat = Testcategory::getNumberOfQuestionsInCategoryForTest(
|
|
$in_testid,
|
|
$tabcatid[$i]
|
|
);
|
|
if ($nbQuestionInThisCat > $res_num_max) {
|
|
$res_num_max = $nbQuestionInThisCat;
|
|
}
|
|
}
|
|
}
|
|
return $res_num_max;
|
|
}
|
|
|
|
/**
|
|
* Returns a category summary report
|
|
* @params int exercise id
|
|
* @params array pre filled array with the category_id, score, and weight
|
|
* example: array(1 => array('score' => '10', 'total' => 20));
|
|
*/
|
|
public static function get_stats_table_by_attempt($exercise_id, $category_list = array())
|
|
{
|
|
if (empty($category_list)) {
|
|
return null;
|
|
}
|
|
$category_name_list = Testcategory::getListOfCategoriesNameForTest($exercise_id);
|
|
|
|
$table = new HTML_Table(array('class' => 'data_table'));
|
|
$table->setHeaderContents(0, 0, get_lang('Categories'));
|
|
$table->setHeaderContents(0, 1, get_lang('AbsoluteScore'));
|
|
$table->setHeaderContents(0, 2, get_lang('RelativeScore'));
|
|
$row = 1;
|
|
|
|
$none_category = array();
|
|
if (isset($category_list['none'])) {
|
|
$none_category = $category_list['none'];
|
|
unset($category_list['none']);
|
|
}
|
|
|
|
$total = array();
|
|
if (isset($category_list['total'])) {
|
|
$total = $category_list['total'];
|
|
unset($category_list['total']);
|
|
}
|
|
if (count($category_list) > 1) {
|
|
foreach ($category_list as $category_id => $category_item) {
|
|
$table->setCellContents($row, 0, $category_name_list[$category_id]);
|
|
$table->setCellContents($row, 1, show_score($category_item['score'], $category_item['total'], false));
|
|
$table->setCellContents($row, 2, show_score($category_item['score'], $category_item['total'], true, false, true));
|
|
$row++;
|
|
}
|
|
|
|
if (!empty($none_category)) {
|
|
$table->setCellContents($row, 0, get_lang('None'));
|
|
$table->setCellContents($row, 1, show_score($none_category['score'], $none_category['total'], false));
|
|
$table->setCellContents($row, 2, show_score($none_category['score'], $none_category['total'], true, false, true));
|
|
$row++;
|
|
}
|
|
if (!empty($total)) {
|
|
$table->setCellContents($row, 0, get_lang('Total'));
|
|
$table->setCellContents($row, 1, show_score($total['score'], $total['total'], false));
|
|
$table->setCellContents($row, 2, show_score($total['score'], $total['total'], true, false, true));
|
|
}
|
|
return $table->toHtml();
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
function get_all_categories()
|
|
{
|
|
$table = Database::get_course_table(TABLE_QUIZ_CATEGORY);
|
|
$sql = "SELECT * FROM $table ORDER BY title ASC";
|
|
$res = Database::query($sql);
|
|
while ($row = Database::fetch_array($res,'ASSOC')) {
|
|
$array[] = $row;
|
|
}
|
|
return $array;
|
|
}
|
|
|
|
/**
|
|
* @param Exercise $exercise
|
|
* @param int $course_id
|
|
* @param string $order
|
|
* @param bool $shuffle
|
|
* @param bool $excludeCategoryWithNoQuestions
|
|
* @return array|bool
|
|
*/
|
|
public function getCategoryExerciseTree(
|
|
$exercise,
|
|
$course_id,
|
|
$order = null,
|
|
$shuffle = false,
|
|
$excludeCategoryWithNoQuestions = true
|
|
) {
|
|
if (empty($exercise)) {
|
|
return array();
|
|
}
|
|
|
|
if (!$exercise->specialCategoryOrders) {
|
|
return false;
|
|
}
|
|
|
|
$course_id = intval($course_id);
|
|
$table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
|
|
$categoryTable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
|
|
$sql = "SELECT * FROM $table qc
|
|
LEFT JOIN $categoryTable c
|
|
ON (qc.c_id = c.c_id AND c.id = qc.category_id)
|
|
WHERE qc.c_id = $course_id AND exercise_id = {$exercise->id} ";
|
|
|
|
if (!empty($order)) {
|
|
$sql .= "ORDER BY $order";
|
|
}
|
|
|
|
$categories = array();
|
|
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result)) {
|
|
while ($row = Database::fetch_array($result, 'ASSOC')) {
|
|
if ($excludeCategoryWithNoQuestions) {
|
|
if ($row['count_questions'] == 0) {
|
|
continue;
|
|
}
|
|
}
|
|
if (empty($row['title']) && empty($row['category_id'])) {
|
|
$row['title'] = get_lang('NoCategory');
|
|
}
|
|
$categories[$row['category_id']] = $row;
|
|
}
|
|
}
|
|
|
|
if ($shuffle) {
|
|
shuffle_assoc($categories);
|
|
}
|
|
|
|
return $categories;
|
|
}
|
|
|
|
public function getForm(& $form, $action = 'new')
|
|
{
|
|
switch($action) {
|
|
case 'new':
|
|
$header = get_lang('AddACategory');
|
|
$submit = get_lang('AddTestCategory');
|
|
break;
|
|
case 'edit':
|
|
$header = get_lang('EditCategory');
|
|
$submit = get_lang('ModifyCategory');
|
|
break;
|
|
}
|
|
|
|
// settting the form elements
|
|
$form->addElement('header', $header);
|
|
$form->addElement('hidden', 'category_id');
|
|
$form->addElement('text', 'category_name', get_lang('CategoryName'), array('class' => 'span6'));
|
|
$form->add_html_editor('category_description', get_lang('CategoryDescription'), false, false, array('ToolbarSet' => 'test_category', 'Width' => '90%', 'Height' => '200'));
|
|
$category_parent_list = array();
|
|
|
|
$options = array(
|
|
'1' => get_lang('Visible'),
|
|
'0' => get_lang('Hidden')
|
|
);
|
|
$form->addElement('select', 'visibility', get_lang('Visibility'), $options);
|
|
$script = null;
|
|
if (!empty($this->parent_id)) {
|
|
$parent_cat = new Testcategory($this->parent_id);
|
|
$category_parent_list = array($parent_cat->id => $parent_cat->name);
|
|
$script .= '<script>$(function() { $("#parent_id").trigger("addItem",[{"title": "'.$parent_cat->name.'", "value": "'.$parent_cat->id.'"}]); });</script>';
|
|
}
|
|
$form->addElement('html', $script);
|
|
|
|
$form->addElement('select', 'parent_id', get_lang('Parent'), $category_parent_list, array('id' => 'parent_id'));
|
|
$form->addElement('style_submit_button', 'SubmitNote', $submit, 'class="add"');
|
|
|
|
// setting the defaults
|
|
$defaults = array();
|
|
$defaults["category_id"] = $this->id;
|
|
$defaults["category_name"] = $this->name;
|
|
$defaults["category_description"] = $this->description;
|
|
$defaults["parent_id"] = $this->parent_id;
|
|
$defaults["visibility"] = $this->visibility;
|
|
$form->setDefaults($defaults);
|
|
|
|
// setting the rules
|
|
$form->addRule('category_name', get_lang('ThisFieldIsRequired'), 'required');
|
|
}
|
|
|
|
/**
|
|
* Returns the category form.
|
|
* @param Exercise $exercise_obj
|
|
* @return string
|
|
*/
|
|
public function returnCategoryForm(Exercise $exercise_obj)
|
|
{
|
|
$categories = $this->getListOfCategoriesForTest($exercise_obj);
|
|
|
|
$saved_categories = $exercise_obj->get_categories_in_exercise();
|
|
$return = null;
|
|
|
|
if (!empty($categories)) {
|
|
$nbQuestionsTotal = $exercise_obj->getNumberQuestionExerciseCategory();
|
|
$exercise_obj->setCategoriesGrouping(true);
|
|
$real_question_count = count($exercise_obj->getQuestionList());
|
|
|
|
$warning = null;
|
|
if ($nbQuestionsTotal != $real_question_count) {
|
|
$warning = Display::return_message(get_lang('CheckThatYouHaveEnoughQuestionsInYourCategories'), 'warning');
|
|
}
|
|
|
|
$return .= $warning;
|
|
$return .= '<table class="data_table">';
|
|
$return .= '<tr>';
|
|
$return .= '<th height="24">' . get_lang('Categories') . '</th>';
|
|
$return .= '<th width="70" height="24">' . get_lang('Number') . '</th></tr>';
|
|
|
|
$emptyCategory = array(
|
|
'id' => '0',
|
|
'name' => get_lang('NoCategory'),
|
|
'description' => '',
|
|
'iid' => '0',
|
|
'title' => get_lang('NoCategory')
|
|
);
|
|
|
|
$categories[] = $emptyCategory;
|
|
|
|
foreach ($categories as $category) {
|
|
$cat_id = $category['iid'];
|
|
$return .= '<tr>';
|
|
$return .= '<td>';
|
|
//$return .= Display::div(isset($category['parent_path']) ? $category['parent_path'] : '');
|
|
$return .= Display::div($category['name']);
|
|
$return .= '</td>';
|
|
$return .= '<td>';
|
|
$value = isset($saved_categories) && isset($saved_categories[$cat_id]) ? $saved_categories[$cat_id]['count_questions'] : -1;
|
|
$return .= '<input name="category['.$cat_id.']" value="' .$value.'" />';
|
|
$return .= '</td>';
|
|
$return .= '</tr>';
|
|
}
|
|
|
|
$return .= '</table>';
|
|
$return .= get_lang('ZeroMeansNoQuestionWillBeSelectedMinusOneMeansThatAllQuestionsWillBeSelected');
|
|
return $return;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sorts an array
|
|
* @param $array
|
|
* @return mixed
|
|
*/
|
|
public function sort_tree_array($array)
|
|
{
|
|
foreach ($array as $key => $row) {
|
|
$parent[$key] = $row['parent_id'];
|
|
}
|
|
if (count($array) > 0) {
|
|
array_multisort($parent, SORT_ASC, $array);
|
|
}
|
|
return $array;
|
|
}
|
|
|
|
/**
|
|
* Return true if a category already exists with the same name
|
|
* @param string $in_name
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function category_exists_with_title($in_name)
|
|
{
|
|
$tab_test_category = Testcategory::getCategoryListInfo("title");
|
|
foreach ($tab_test_category as $title) {
|
|
if ($title == $in_name) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Return the id of the test category with title = $in_title
|
|
* @param $in_title
|
|
* @param int $in_c_id
|
|
*
|
|
* @return int is id of test category
|
|
*/
|
|
public static function get_category_id_for_title($in_title, $in_c_id = 0)
|
|
{
|
|
$out_res = 0;
|
|
if ($in_c_id == 0) {
|
|
$in_c_id = api_get_course_int_id();
|
|
}
|
|
$tbl_cat = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
|
|
$sql = "SELECT id FROM $tbl_cat WHERE c_id=$in_c_id AND title = '".Database::escape_string($in_title)."'";
|
|
$res = Database::query($sql);
|
|
if (Database::num_rows($res) > 0) {
|
|
$data = Database::fetch_array($res);
|
|
$out_res = $data['id'];
|
|
}
|
|
return $out_res;
|
|
}
|
|
|
|
/**
|
|
* Add a relation between question and category in table c_quiz_question_rel_category
|
|
* @param int $in_category_id
|
|
* @param int $in_question_id
|
|
* @param int $in_course_c_id
|
|
*/
|
|
public static function add_category_for_question_id($in_category_id, $in_question_id, $in_course_c_id)
|
|
{
|
|
$tbl_reltable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
|
|
// if question doesn't have a category
|
|
// @todo change for 1.10 when a question can have several categories
|
|
if (Testcategory::getCategoryForQuestion($in_question_id, $in_course_c_id) == 0 && $in_question_id > 0 && $in_course_c_id > 0) {
|
|
$sql = "INSERT INTO $tbl_reltable VALUES (".intval($in_course_c_id).", ".intval($in_question_id).", ".intval($in_category_id).")";
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param int $courseId
|
|
* @param int $sessionId
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getCategories($courseId, $sessionId = 0)
|
|
{
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|
$table = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
|
|
$itemProperty = Database::get_course_table(TABLE_ITEM_PROPERTY);
|
|
$sessionId = intval($sessionId);
|
|
$courseId = intval($courseId);
|
|
|
|
if (empty($sessionId)) {
|
|
$sessionCondition = api_get_session_condition($sessionId, true, false, 'i.id_session');
|
|
} else {
|
|
$sessionCondition = api_get_session_condition($sessionId, true, true, 'i.id_session');
|
|
}
|
|
|
|
if (empty($courseId)) {
|
|
return array();
|
|
}
|
|
|
|
$sql = "SELECT c.* FROM $table c
|
|
INNER JOIN $itemProperty i
|
|
ON c.c_id = i.c_id AND i.ref = c.id
|
|
WHERE
|
|
c.c_id = $courseId AND
|
|
i.tool = '".TOOL_TEST_CATEGORY."'
|
|
$sessionCondition
|
|
ORDER BY title";
|
|
$result = Database::query($sql);
|
|
|
|
return Database::store_result($result, 'ASSOC');
|
|
}
|
|
|
|
/**
|
|
* @param int $courseId
|
|
* @param int $sessionId
|
|
* @return string
|
|
*/
|
|
public function displayCategories($courseId, $sessionId = 0)
|
|
{
|
|
$categories = $this->getCategories($courseId, $sessionId);
|
|
$html = null;
|
|
|
|
foreach ($categories as $category) {
|
|
$tmpobj = new Testcategory($category['id']);
|
|
$nb_question = $tmpobj->getCategoryQuestionsNumber();
|
|
$rowname = self::protectJSDialogQuote($category['title']);
|
|
$nb_question_label = $nb_question == 1 ? $nb_question . ' ' . get_lang('Question') : $nb_question . ' ' . get_lang('Questions');
|
|
|
|
$html .= '<div class="sectiontitle" id="id_cat' . $category['id'] . '">';
|
|
$html .= "<span style='float:right'>" . $nb_question_label . "</span>";
|
|
$html .= $category['title'];
|
|
$html .= '</div>';
|
|
$html .= '<div class="sectioncomment">';
|
|
$html .= $category['description'];
|
|
$html .= '</div>';
|
|
$html .= '<div>';
|
|
$html .= '<a href="' . api_get_self() . '?action=editcategory&category_id=' . $category['id'] . '">' .
|
|
Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
$html .= ' <a href="' . api_get_self() . '?action=deletecategory&category_id=' . $category['id'] . '" ';
|
|
$html .= 'onclick="return confirmDelete(\'' . self::protectJSDialogQuote(get_lang('DeleteCategoryAreYouSure') . '[' . $rowname) . '] ?\', \'id_cat' . $category['id'] . '\');">';
|
|
$html .= Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
$html .= '</div>';
|
|
}
|
|
|
|
return $html;
|
|
}
|
|
|
|
// To allowed " in javascript dialog box without bad surprises
|
|
// replace " with two '
|
|
public function protectJSDialogQuote($in_txt)
|
|
{
|
|
$res = $in_txt;
|
|
$res = str_replace("'", "\'", $res);
|
|
$res = str_replace('"', "\'\'", $res); // super astuce pour afficher les " dans les boite de dialogue
|
|
return $res;
|
|
}
|
|
}
|
|
|