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view_examples.php
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view_examples.php
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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/>.
require __DIR__ . '/inc.php';
global $DB, $OUTPUT, $PAGE;
$outputContent = '';
$courseid = required_param('courseid', PARAM_INT);
$courseid_for_tree = $courseid;
$sort = optional_param('sort', "desc", PARAM_ALPHA);
$style = optional_param('style', 0, PARAM_INT);
$action = optional_param('action', '', PARAM_RAW);
if (!$course = $DB->get_record('course', array(
'id' => $courseid,
))
) {
print_error('invalidcourse', 'block_simplehtml', $courseid);
}
block_exacomp_require_login($course);
$context = context_course::instance($courseid);
// CHECK TEACHER
$isTeacher = block_exacomp_is_teacher($context);
$studentid = block_exacomp_get_studentid();
// save filtering (now in the course settings, as it was before)
$courseSettings = block_exacomp_get_settings_by_course($courseid);
if ($action == 'save_filtersettings') {
$selectedTaxonomies = BLOCK_EXACOMP_SHOW_ALL_TAXONOMIES;
if (isset($_POST['filteredtaxonomies'])) {
$selectedTaxonomies = array_values(clean_param_array($_POST['filteredtaxonomies'], PARAM_TEXT));
}
if (isset($_POST['filterClear'])) {
$selectedTaxonomies = BLOCK_EXACOMP_SHOW_ALL_TAXONOMIES;
}
$courseSettings->filteredtaxonomies = json_encode($selectedTaxonomies);
block_exacomp_save_coursesettings($courseid, $courseSettings);
}
/* PAGE IDENTIFIER - MUST BE CHANGED. Please use string identifier from lang file */
$page_identifier = 'tab_examples';
/* PAGE URL - MUST BE CHANGED */
$PAGE->set_url('/blocks/exacomp/view_examples.php', array(
'courseid' => $courseid,
'style' => $style,
));
$PAGE->set_heading(block_exacomp_get_string('blocktitle'));
$PAGE->set_title(block_exacomp_get_string($page_identifier));
// build breadcrumbs navigation
block_exacomp_build_breadcrum_navigation($courseid);
// build tab navigation & print header
$output = block_exacomp_get_renderer();
$isPrintView = false;
if (optional_param('print', false, PARAM_BOOL)) {
$output->print = true;
$isPrintView = true;
$html_tables = array();
$html_headers = array(); // TODO:
}
$outputContent .= $output->header_v2($page_identifier);
$outputContent .= $output->button_box('window.open(location.href+\'&print=1\');', '');
/*if ($show_all_examples != 0) {
$courseid_for_tree = 0;
}*/
/* CONTENT REGION */
$courseSettings = block_exacomp_get_settings_by_course($courseid); // Reload settings
$outputContent .= $output->view_example_header($courseSettings, $style);
switch ($style) {
case 0:
$tree = block_exacomp_build_example_association_tree($courseid, array(), 0, 0, true);
if ($isPrintView) {
$html_tables[] = $output->competence_based_list_tree($tree, $isTeacher, false);
} else {
$outputContent .= $output->competence_based_list_tree($tree, $isTeacher, false);
}
//Crossubjects and crossubjectfiles
//$crossubject_tree = block_exacomp_build_crossubject_example_tree($courseid, array(), 0, 0, true);
/*
$crossubjects = block_exacomp_get_cross_subjects_by_course($courseid);
echo $output->print_crosssubjects_and_examples($crossubjects, $isTeacher, false);
*/
break;
case 1:
//could be optimized together with block_exacomp_build_example_tree
//non critical - only 1 additional query for whole loading process
$examples = block_exacomp_get_examples_by_course($courseid);
// for order and additional condition
$examples = \block_exacomp\example::get_objects_sql("
SELECT DISTINCT e.*
FROM {" . BLOCK_EXACOMP_DB_EXAMPLES . "} e
WHERE e.id IN (" . implode(',', array_keys($examples)) . ") "
. (!$isTeacher ? " AND e.is_teacherexample = 0 " : "")
);
/*$examples = \block_exacomp\example::get_objects_sql("
SELECT DISTINCT e.*
FROM {" . BLOCK_EXACOMP_DB_COURSETOPICS . "} ct
JOIN {" . BLOCK_EXACOMP_DB_DESCTOPICS . "} dt ON ct.topicid = dt.topicid
JOIN {" . BLOCK_EXACOMP_DB_DESCEXAMP . "} de ON dt.descrid = de.descrid
JOIN {" . BLOCK_EXACOMP_DB_EXAMPLES . "} e ON e.id = de.exampid
WHERE ct.courseid = ?
" . (!$isTeacher ? " AND e.is_teacherexample = 0 " : "") . "
ORDER BY e.title
", [$courseid]);*/
if (!$isTeacher) {
$examples = array_filter($examples, function($example) use ($courseid, $studentid) {
return block_exacomp_is_example_visible($courseid, $example, $studentid);
});
}
if ($isPrintView) {
$html_tables[] = $output->example_based_list_tree($examples);
} else {
$outputContent .= $output->example_based_list_tree($examples);
}
break;
case 2:
// get all crosssubjects or for student
if (block_exacomp_is_teacher() || block_exacomp_is_admin()) {
$crosssubs = block_exacomp_get_cross_subjects_by_course($courseid);
} else {
$crosssubs = block_exacomp_get_cross_subjects_by_course($courseid, $USER->id);
}
$outputContent .= html_writer::start_tag("table", array("class" => 'rg2'));
foreach ($crosssubs as $cross) {
$crossContent = '';
//get files specifically for this cross:
$examples = block_exacomp_get_examples_for_crosssubject($cross->id);
//get files from competencies that are added to this cross:
$examples += \block_exacomp\example::get_objects_sql("
SELECT DISTINCT e.*
FROM {" . BLOCK_EXACOMP_DB_DESCCROSS . "} dc
JOIN {" . BLOCK_EXACOMP_DB_DESCEXAMP . "} de ON dc.descrid = de.descrid
JOIN {" . BLOCK_EXACOMP_DB_EXAMPLES . "} e ON e.id = de.exampid
WHERE dc.crosssubjid = ?
ORDER BY e.title
", [$cross->id]);
//get files from the childcompetencies of the competencies that are added
//get descriptors and check if they are parents
//if they are parent --> get the examples of their children
$assoc_descriptors = block_exacomp_get_descriptors_for_cross_subject($courseid, $cross);
foreach ($assoc_descriptors as $descriptor) {
if ($descriptor->parentid == 0) {
$childdescriptors = block_exacomp_get_child_descriptors($descriptor, $courseid);
foreach ($childdescriptors as $childdescriptor) {
$examples = array_merge($examples, $childdescriptor->examples);
}
}
}
if (!$isTeacher) {
$examples = array_filter($examples, function($example) use ($courseid, $studentid) {
return block_exacomp_is_example_visible($courseid, $example, $studentid);
});
}
$crossContent .= html_writer::start_tag("tr", array("class" => "rg2-level-0 rg2 rg2-header highlight"));
$crossContent .= html_writer::start_tag("td", array("class" => "rg2-arrow rg2-indent"));
$crossContent .= '<div>' . $cross->title . '</div>';
$crossContent .= html_writer::end_tag("td");
$crossContent .= html_writer::end_tag("tr");
$crossContent .= html_writer::start_tag("tr", array("class" => "rg2-level-1 rg2"));
$crossContent .= html_writer::start_tag("td", array("class" => "rg2-indent"));
if ($isPrintView) {
$html_headers[] = $cross->title;
$html_tables[] = $output->cross_based_list_tree($examples, $cross->id);
} else {
$crossContent .= $output->cross_based_list_tree($examples, $cross->id);
}
$crossContent .= html_writer::end_tag("td");
$crossContent .= html_writer::end_tag("tr");
$outputContent .= $crossContent;
}
$outputContent .= html_writer::end_tag("table");
break;
}
if ($isPrintView) {
block_exacomp\printer::view_examples($html_headers, $html_tables, $style);
}
echo $outputContent;
/* END CONTENT REGION */
echo $output->footer();