/**
* Same functionality as blocks_execute_url_action()
* Handle all block actions ourselves.
*
* @param boolean $redirect (Optional) Redirect after action
* @return void
**/
function page_blocks_execute_url_action($redirect = true)
{
global $CFG, $COURSE, $PAGE;
$pageitemid = optional_param('pageitemid', 0, PARAM_INT);
$blockaction = optional_param('blockaction', '', PARAM_ALPHA);
// Reasons to stop right meow
if (empty($blockaction) || !$PAGE->user_allowed_editing() || !confirm_sesskey()) {
return;
}
// Make sure if we have a valid pageitem.
if ($pageitemid and !($pageitem = get_record('format_page_items', 'id', $pageitemid))) {
return;
}
switch ($blockaction) {
case 'config':
if (empty($pageitem->blockinstance) and !empty($pageitem->cmid)) {
// Its a module - go to module update
redirect("{$CFG->wwwroot}/course/mod.php?update={$pageitem->cmid}&sesskey=" . sesskey());
} else {
if (!empty($pageitem->blockinstance)) {
// Its a block instance - allow core routine to handle
redirect($PAGE->url_build('instanceid', $pageitem->blockinstance, 'blockaction', 'config', 'sesskey', sesskey()));
} else {
error('Invalid page item to configure');
}
}
break;
case 'toggle':
$update = new stdClass();
$update->id = $pageitem->id;
if (empty($pageitem->visible)) {
$update->visible = 1;
} else {
$update->visible = 0;
}
update_record('format_page_items', $update);
break;
case 'delete':
page_block_delete($pageitem);
break;
case 'moveup':
page_block_move($pageitem, $pageitem->position, $pageitem->sortorder - 1);
break;
case 'movedown':
page_block_move($pageitem, $pageitem->position, $pageitem->sortorder + 1);
break;
case 'moveright':
$destposition = $PAGE->blocks_move_position($pageitem, BLOCK_MOVE_RIGHT);
$destweight = page_get_next_weight($pageitem->pageid, $destposition);
page_block_move($pageitem, $destposition, $destweight);
break;
case 'moveleft':
$destposition = $PAGE->blocks_move_position($pageitem, BLOCK_MOVE_LEFT);
$destweight = page_get_next_weight($pageitem->pageid, $destposition);
page_block_move($pageitem, $destposition, $destweight);
break;
case 'addmod':
// Right now, modules are added differently
$instance = required_param('instance', PARAM_INT);
$record = new stdClass();
$record->pageid = $PAGE->formatpage->id;
$record->cmid = $instance;
$record->blockinstance = 0;
$record->position = $PAGE->blocks_default_position();
$record->sortorder = page_get_next_weight($record->pageid, $record->position);
insert_record('format_page_items', $record);
break;
case 'add':
// Add a block instance and a pageitem
$blockid = required_param('blockid', PARAM_INT);
$block = blocks_get_record($blockid);
if (empty($block) or !$block->visible) {
break;
}
if (!block_method_result($block->name, 'user_can_addto', $PAGE)) {
break;
}
// Add a block instance if one does not already exist or if the block allows multiple block instances
$exists = record_exists('block_instance', 'pageid', $PAGE->get_id(), 'pagetype', $PAGE->get_type(), 'blockid', $blockid);
if ($block->multiple || !$exists) {
// Get the next weight value NOTE: hard code left position
$weight = get_record_sql('SELECT 1, MAX(weight) + 1 ' . sql_as() . ' nextfree
FROM ' . $CFG->prefix . 'block_instance
WHERE pageid = ' . $PAGE->get_id() . '
AND pagetype = \'' . $PAGE->get_type() . '\'
AND position = \'' . BLOCK_POS_LEFT . '\'');
if (empty($weight->nextfree)) {
$weight->nextfree = 0;
}
$newinstance = new stdClass();
$newinstance->blockid = $blockid;
$newinstance->pageid = $PAGE->get_id();
$newinstance->pagetype = $PAGE->get_type();
$newinstance->position = BLOCK_POS_LEFT;
// Make sure we keep them all in same column
$newinstance->weight = $weight->nextfree;
$newinstance->visible = 1;
$newinstance->configdata = '';
$instanceid = $newinstance->id = insert_record('block_instance', $newinstance);
if ($newinstance and $obj = block_instance($block->name, $newinstance)) {
// Return value ignored
$obj->instance_create();
}
} else {
if ($exists) {
// Get the existing blockinstance as the block only allows one instance.
$instanceid = get_field('block_instance', 'id', 'pageid', $PAGE->get_id(), 'pagetype', $PAGE->get_type(), 'blockid', $blockid);
}
}
if (!empty($instanceid)) {
// Create a new page item that links to the instance
$record = new stdClass();
$record->pageid = $PAGE->formatpage->id;
$record->cmid = 0;
$record->blockinstance = $instanceid;
$record->position = $PAGE->blocks_default_position();
$record->sortorder = page_get_next_weight($record->pageid, $record->position);
insert_record('format_page_items', $record);
}
break;
}
if ($redirect) {
// In order to prevent accidental duplicate actions, redirect to a page with a clean url
redirect($PAGE->url_get_full());
}
}
function tao_add_learningpath_pageitem($formatpageid, $instanceid, $raflitemid = null)
{
// Create a new page item that links to the instance
$pageitem = new stdClass();
$pageitem->pageid = $formatpageid;
$pageitem->cmid = 0;
$pageitem->blockinstance = $instanceid;
$pageitem->position = BLOCK_POS_CENTER;
$pageitem->sortorder = page_get_next_weight($pageitem->pageid, $pageitem->position);
$pageitem->visible = 1;
$pageitem->rafl_item = $raflitemid;
if (!insert_record('format_page_items', $pageitem)) {
error('could not insert format_page_item');
}
}