if ($isaddednewblock || $undifinedinsertedid) {
if (!empty($countrecords)) {
$destweight = $recordexists ? $instweight->weight : $instweight->weight + 1;
} else {
$destweight = 0;
}
} else {
if (!empty($countrecords)) {
$destweight = $recordexists ? $instweight->weight : $instweight->weight + 1;
} else {
$destweight = 0;
}
}
}
blocks_move_block($PAGE, $blockinstance, $column, $destweight);
$current_blocks = blocks_get_by_page_pinned($PAGE);
global $COURSE;
foreach ($current_blocks as $pos => $blocks) {
if (count($current_blocks[$pos]) == 0) {
print_side_block('', '', NULL, NULL, '', array('id' => $pos . 'inst0', 'class' => 'tempblockhandle'), '');
}
}
break;
}
break;
case 'section':
if (!record_exists('course_sections', 'course', $course->id, 'section', $id)) {
error_log('AJAX commands.php: Bad Section ID ' . $id);
die;
}
switch ($field) {
function blocks_setup(&$PAGE, $pinned = BLOCKS_PINNED_FALSE)
{
switch ($pinned) {
case BLOCKS_PINNED_TRUE:
$pageblocks = blocks_get_pinned($PAGE);
break;
case BLOCKS_PINNED_BOTH:
$pageblocks = blocks_get_by_page_pinned($PAGE);
break;
case BLOCKS_PINNED_FALSE:
default:
$pageblocks = blocks_get_by_page($PAGE);
break;
}
blocks_execute_url_action($PAGE, $pageblocks, $pinned == BLOCKS_PINNED_TRUE);
return $pageblocks;
}
/**
* Recursive function which, given a context, find all its children context ids.
* @param object $context.
* @return array of children context ids.
*/
function get_child_contexts($context)
{
global $CFG;
$children = array();
switch ($context->contextlevel) {
case CONTEXT_BLOCK:
// No children.
return array();
break;
case CONTEXT_MODULE:
// No children.
return array();
break;
case CONTEXT_GROUP:
// No children.
return array();
break;
case CONTEXT_COURSE:
// Find all block instances for the course.
$page = new page_course();
$page->id = $context->instanceid;
$page->type = 'course-view';
if ($blocks = blocks_get_by_page_pinned($page)) {
foreach ($blocks['l'] as $leftblock) {
if ($child = get_context_instance(CONTEXT_BLOCK, $leftblock->id)) {
array_push($children, $child->id);
}
}
foreach ($blocks['r'] as $rightblock) {
if ($child = get_context_instance(CONTEXT_BLOCK, $rightblock->id)) {
array_push($children, $child->id);
}
}
}
// Find all module instances for the course.
if ($modules = get_records('course_modules', 'course', $context->instanceid)) {
foreach ($modules as $module) {
if ($child = get_context_instance(CONTEXT_MODULE, $module->id)) {
array_push($children, $child->id);
}
}
}
// Find all group instances for the course.
if ($groupids = groups_get_groups($context->instanceid)) {
foreach ($groupids as $groupid) {
if ($child = get_context_instance(CONTEXT_GROUP, $groupid)) {
array_push($children, $child->id);
}
}
}
return $children;
break;
case CONTEXT_COURSECAT:
// We need to get the contexts for:
// 1) The subcategories of the given category
// 2) The courses in the given category and all its subcategories
// 3) All the child contexts for these courses
$categories = get_all_subcategories($context->instanceid);
// Add the contexts for all the subcategories.
foreach ($categories as $catid) {
if ($catci = get_context_instance(CONTEXT_COURSECAT, $catid)) {
array_push($children, $catci->id);
}
}
// Add the parent category as well so we can find the contexts
// for its courses.
array_unshift($categories, $context->instanceid);
foreach ($categories as $catid) {
// Find all courses for the category.
if ($courses = get_records('course', 'category', $catid)) {
foreach ($courses as $course) {
if ($courseci = get_context_instance(CONTEXT_COURSE, $course->id)) {
array_push($children, $courseci->id);
$children = array_merge($children, get_child_contexts($courseci));
}
}
}
}
return $children;
break;
case CONTEXT_USER:
// No children.
return array();
break;
case CONTEXT_PERSONAL:
// No children.
return array();
break;
case CONTEXT_SYSTEM:
// Just get all the contexts except for CONTEXT_SYSTEM level.
$sql = 'SELECT c.id ' . 'FROM ' . $CFG->prefix . 'context AS c ' . 'WHERE contextlevel != ' . CONTEXT_SYSTEM;
$contexts = get_records_sql($sql);
foreach ($contexts as $cid) {
array_push($children, $cid->id);
}
return $children;
break;
default:
error('This is an unknown context (' . $context->contextlevel . ') in get_child_contexts!');
return false;
}
}
