protected function define_structure()
{
// Define each element separated
$filters = new backup_nested_element('filters');
$actives = new backup_nested_element('filter_actives');
$active = new backup_nested_element('filter_active', null, array('filter', 'active'));
$configs = new backup_nested_element('filter_configs');
$config = new backup_nested_element('filter_config', null, array('filter', 'name', 'value'));
// Build the tree
$filters->add_child($actives);
$filters->add_child($configs);
$actives->add_child($active);
$configs->add_child($config);
// Define sources
list($activearr, $configarr) = filter_get_all_local_settings($this->task->get_contextid());
$active->set_source_array($activearr);
$config->set_source_array($configarr);
// Return the root element (filters)
return $filters;
}
/**
* Write any local filter settings for this context to the backup file.
* They comprise On/off filter_active.active overrides, and any filter_config
* records for this contextid.
*/
function write_local_filter_settings($bf, $preferences, $context, $startlevel)
{
if (!filter_context_may_have_filter_settings($context)) {
return;
}
list($actives, $configs) = filter_get_all_local_settings($context->id);
fwrite($bf, start_tag("FILTERACTIVES", $startlevel, true));
foreach ($actives as $active) {
fwrite($bf, start_tag("FILTERACTIVE", $startlevel + 1, true));
fwrite($bf, full_tag("FILTER", $startlevel + 2, false, $active->filter));
fwrite($bf, full_tag("ACTIVE", $startlevel + 2, false, $active->active));
fwrite($bf, end_tag("FILTERACTIVE", $startlevel + 1, true));
}
fwrite($bf, end_tag("FILTERACTIVES", $startlevel, true));
fwrite($bf, start_tag("FILTERCONFIGS", $startlevel, true));
foreach ($configs as $config) {
fwrite($bf, start_tag("FILTERCONFIG", $startlevel + 1, true));
fwrite($bf, full_tag("FILTER", $startlevel + 2, false, $config->filter));
fwrite($bf, full_tag("NAME", $startlevel + 2, false, $config->name));
fwrite($bf, full_tag("VALUE", $startlevel + 2, false, $config->value));
fwrite($bf, end_tag("FILTERCONFIG", $startlevel + 1, true));
}
fwrite($bf, end_tag("FILTERCONFIGS", $startlevel, true));
}
