$category_id = '';
}
$simple_search_form = new UserForm(UserForm::TYPE_SIMPLE_SEARCH, null, 'simple_search_form', null, api_get_self() . '?selectcat=' . $category_id);
$values = $simple_search_form->exportValues();
$keyword = '';
if (isset($_GET['search']) && !empty($_GET['search'])) {
$keyword = Security::remove_XSS($_GET['search']);
}
if ($simple_search_form->validate() && empty($keyword)) {
$keyword = $values['keyword'];
}
if (!empty($keyword)) {
$users = GradebookUtils::find_students($keyword);
} else {
if (isset($alleval) && isset($alllinks)) {
$users = GradebookUtils::get_all_users($alleval, $alllinks);
} else {
$users = null;
}
}
$offset = isset($_GET['offset']) ? $_GET['offset'] : '0';
$addparams = array('selectcat' => $cat[0]->get_id());
if (isset($_GET['search'])) {
$addparams['search'] = $keyword;
}
// Main course category
$mainCourseCategory = Category::load(null, null, api_get_course_id(), null, null, api_get_session_id());
$flatviewtable = new FlatViewTable($cat[0], $users, $alleval, $alllinks, true, $offset, $addparams, $mainCourseCategory[0]);
$flatviewtable->setAutoFill(false);
$parameters = array('selectcat' => intval($_GET['selectcat']));
$flatviewtable->set_additional_parameters($parameters);
/**
* This method return a graph containing information about evaluations
* inside courses in sessions, it's used inside get_block method for
* showing it inside dashboard interface
* @return string img html
*/
public function get_evaluations_courses_in_sessions_graph()
{
$graphs = array();
if (!empty($this->sessions)) {
$session_ids = array_keys($this->sessions);
foreach ($session_ids as $session_id) {
$courses_code = array_keys(Tracking::get_courses_list_from_session($session_id));
$courses_graph = array();
foreach ($courses_code as $course_code) {
$cats = Category::load(null, null, $course_code, null, null, $session_id);
if (isset($cats) && isset($cats[0])) {
$alleval = $cats[0]->get_evaluations(null, true, $course_code);
$alllinks = $cats[0]->get_links(null, true);
$users = GradebookUtils::get_all_users($alleval, $alllinks);
$datagen = new FlatViewDataGenerator($users, $alleval, $alllinks);
$evaluation_sumary = $datagen->get_evaluation_sumary_results();
if (!empty($evaluation_sumary)) {
$items = array_keys($evaluation_sumary);
$max = $min = $avg = array();
foreach ($evaluation_sumary as $evaluation) {
$max[] = $evaluation['max'];
$min[] = $evaluation['min'];
$avg[] = $evaluation['avg'];
}
// Dataset definition
$dataSet = new pData();
$dataSet->addPoints($min, 'Serie3');
$dataSet->addPoints($avg, 'Serie2');
$dataSet->addPoints($max, 'Serie1');
$dataSet->addPoints($items, 'Labels');
$dataSet->setSerieDescription('Serie1', get_lang('Max'));
$dataSet->setSerieDescription('Serie2', get_lang('Avg'));
$dataSet->setSerieDescription('Serie3', get_lang('Min'));
$dataSet->setAbscissa('Labels');
$dataSet->setAbscissaName(get_lang('EvaluationName'));
$dataSet->normalize(100, '%');
$dataSet->loadPalette(api_get_path(SYS_CODE_PATH) . 'palettes/pchart/default.color', true);
// Cache definition
$cachePath = api_get_path(SYS_ARCHIVE_PATH);
$myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
$chartHash = $myCache->getHash($dataSet);
if ($myCache->isInCache($chartHash)) {
$imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
$myCache->saveFromCache($chartHash, $imgPath);
$imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
} else {
/* Create the pChart object */
$widthSize = $this->bg_width;
$heightSize = $this->bg_height;
$fontSize = 8;
$angle = 50;
$myPicture = new pImage($widthSize, $heightSize, $dataSet);
/* Turn of Antialiasing */
$myPicture->Antialias = false;
/* Add a border to the picture */
$myPicture->drawRectangle(0, 0, $widthSize - 1, $heightSize - 1, array('R' => 0, 'G' => 0, 'B' => 0));
/* Set the default font */
$myPicture->setFontProperties(array('FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf', 'FontSize' => 10));
/* Do NOT Write the chart title */
/* Define the chart area */
$myPicture->setGraphArea(50, 30, $widthSize - 20, $heightSize - 100);
/* Draw the scale */
$scaleSettings = array('GridR' => 200, 'GridG' => 200, 'GridB' => 200, 'DrawSubTicks' => true, 'CycleBackground' => true, 'Mode' => SCALE_MODE_MANUAL, 'ManualScale' => array('0' => array('Min' => 0, 'Max' => 100)), 'LabelRotation' => $angle);
$myPicture->drawScale($scaleSettings);
/* Turn on shadow computing */
$myPicture->setShadow(true, array('X' => 1, 'Y' => 1, 'R' => 0, 'G' => 0, 'B' => 0, 'Alpha' => 10));
/* Draw the chart */
$myPicture->setShadow(true, array('X' => 1, 'Y' => 1, 'R' => 0, 'G' => 0, 'B' => 0, 'Alpha' => 10));
$settings = array('DisplayValues' => true, 'DisplaySize' => $fontSize, 'DisplayR' => 0, 'DisplayG' => 0, 'DisplayB' => 0, 'DisplayOrientation' => ORIENTATION_HORIZONTAL, 'Gradient' => false, 'Surrounding' => 30, 'InnerSurrounding' => 25);
$myPicture->drawStackedBarChart($settings);
$legendSettings = array('Mode' => LEGEND_HORIZONTAL, 'Style' => LEGEND_NOBORDER);
$myPicture->drawLegend($widthSize / 2, 15, $legendSettings);
/* Write and save into cache */
$myCache->writeToCache($chartHash, $myPicture);
$imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
$myCache->saveFromCache($chartHash, $imgPath);
$imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
}
if (!empty($imgPath)) {
$courses_graph[$course_code] = '<img src="' . $imgPath . '">';
}
}
}
}
if (!empty($courses_graph)) {
$graphs[$session_id] = $courses_graph;
}
}
}
return $graphs;
}
