/**
* @deprecated as of SD 2.0 - will be removed when the "Filter:"
* namespace goes away.
*/
static function load($filter_name)
{
$f = new SDFilter();
$f->setName($filter_name);
$properties_used = SDUtils::getValuesForProperty($filter_name, SD_NS_FILTER, '_SD_CP', SD_SP_COVERS_PROPERTY, SMW_NS_PROPERTY);
if (count($properties_used) > 0) {
$f->setProperty($properties_used[0]);
// This may not be necessary, or useful.
$f->property_type = 'page';
}
$proptitle = Title::newFromText($f->property, SMW_NS_PROPERTY);
if ($proptitle != null) {
$f->loadPropertyTypeFromProperty();
}
$categories = SDUtils::getValuesForProperty($filter_name, SD_NS_FILTER, '_SD_VC', SD_SP_GETS_VALUES_FROM_CATEGORY, NS_CATEGORY);
if (count($categories) > 0) {
$f->setCategory($categories[0]);
} elseif ($f->property_type === 'boolean') {
$f->allowed_values = array('0', '1');
} else {
$f->allowed_values = array();
}
// Set list of possible applied filters if allowed values
// array was set.
foreach ($f->allowed_values as $allowed_value) {
$f->possible_applied_filters[] = SDAppliedFilter::create($f, $allowed_value);
}
return $f;
}
/**
* Gets all the filters specified for a category.
*/
static function loadFiltersForCategory($category)
{
$filters = array();
$title = Title::newFromText($category, NS_CATEGORY);
$pageId = $title->getArticleID();
$dbr = wfGetDB(DB_SLAVE);
$res = $dbr->select('page_props', array('pp_value'), array('pp_page' => $pageId, 'pp_propname' => 'SDFilters'));
while ($row = $dbr->fetchRow($res)) {
// There should only be one row.
$filtersStr = $row['pp_value'];
$filtersInfo = unserialize($filtersStr);
foreach ($filtersInfo as $filterName => $filterValues) {
$curFilter = new SDFilter();
$curFilter->setName($filterName);
foreach ($filterValues as $key => $value) {
if ($key == 'property') {
$curFilter->setProperty($value);
$curFilter->loadPropertyTypeFromProperty();
} elseif ($key == 'category') {
$curFilter->setCategory($value);
} elseif ($key == 'requires') {
$curFilter->addRequiredFilter($value);
}
}
$filters[] = $curFilter;
}
}
// Get "legacy" filters defined via the SMW special property
// "Has filter" and the Filter: namespace.
$filter_names = SDUtils::getValuesForProperty(str_replace(' ', '_', $category), NS_CATEGORY, '_SD_F');
foreach ($filter_names as $filter_name) {
$filter = SDFilter::load($filter_name);
$filter->required_filters = SDUtils::getValuesForProperty($filter_name, SD_NS_FILTER, '_SD_RF', SD_SP_REQUIRES_FILTER, SD_NS_FILTER);
$filters[] = $filter;
}
// Read from the Page Schemas schema for this category, if
// it exists, and add any filters defined there.
if (class_exists('PSSchema')) {
$pageSchemaObj = new PSSchema($category);
if ($pageSchemaObj->isPSDefined()) {
$filters_ps = SDFilter::loadAllFromPageSchema($pageSchemaObj);
$result_filters = array_merge($filters, $filters_ps);
return $result_filters;
}
}
return $filters;
}
/**
* Gets all the filters specified for a category.
*/
static function loadFiltersForCategory( $category ) {
$filters = array();
$filters_ps = array();
$filter_names = SDUtils::getValuesForProperty( str_replace( ' ', '_', $category ), NS_CATEGORY, '_SD_F' );
foreach ( $filter_names as $filter_name ) {
$filters[] = SDFilter::load( $filter_name );
}
// Read from the Page Schemas schema for this category, if
// it exists, and add any filters defined there.
if ( class_exists( 'PSSchema' ) ) {
$pageSchemaObj = new PSSchema( $category );
if ( $pageSchemaObj->isPSDefined() ) {
$filters_ps = SDFilter::loadAllFromPageSchema( $pageSchemaObj );
$result_filters = array_merge( $filters, $filters_ps );
return $result_filters;
}
}
return $filters;
}
