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<?php
function _themekey_invoke_modules($hook) {
$return = array();
foreach (variable_get('themekey_modules', array(
'themekey.node',
)) as $module) {
if (is_readable(drupal_get_path('module', 'themekey') . '/modules/' . $module . '.inc')) {
require_once drupal_get_path('module', 'themekey') . '/modules/' . $module . '.inc';
}
$function = str_replace('.', '_', $module) . '_' . $hook;
if (function_exists($function)) {
$return = array_merge_recursive($return, $function());
}
}
return $return;
}
function _themekey_get_path_ancestors($parts) {
$placeholders = array();
$ancestors = array();
$number_parts = count($parts);
$length = $number_parts - 1;
$end = (1 << $number_parts) - 1;
$masks = variable_get('menu_masks', array());
foreach ($masks as $i) {
if ($i > $end) {
continue;
}
elseif ($i < 1 << $length) {
--$length;
}
$current = '';
for ($j = $length; $j >= 0; $j--) {
if ($i & 1 << $j) {
$current .= $parts[$length - $j];
}
else {
$current .= is_numeric($parts[$length - $j]) ? '#' : '%';
}
if ($j) {
$current .= '/';
}
}
$placeholders[] = "'%s'";
$ancestors[] = $current;
if (stristr($current, '#') !== FALSE) {
$placeholders[] = "'%s'";
$ancestors[] = str_replace('#', '%', $current);
}
}
return array(
$ancestors,
$placeholders,
);
}
function _themekey_match_paths($path) {
static $global_parameters = NULL;
if (!isset($global_parameters)) {
$global_parameters = module_invoke_all('themekey_global');
}
$parts = explode('/', $path, MENU_MAX_PARTS);
list($ancestors, $placeholders) = _themekey_get_path_ancestors($parts);
$result = db_query('SELECT * FROM {themekey_paths} WHERE path IN (' . implode(',', $placeholders) . ') ORDER BY fit DESC, weight DESC, custom DESC', $ancestors);
while ($item = db_fetch_array($result)) {
$parameters = $global_parameters;
$conditions = unserialize($item['conditions']);
$wildcards = unserialize($item['wildcards']);
foreach ($wildcards as $index => $wildcard) {
$parameters[$wildcard] = arg($index, $path);
}
if (!_themekey_match_conditions($conditions, $parameters)) {
continue;
}
$callbacks = unserialize($item['callbacks']);
if (count($callbacks)) {
foreach ($callbacks as $callback) {
$callback($item, $parameters);
}
}
if (!$item['theme']) {
$item['theme'] = _themekey_match_properties($parameters);
}
return $item['theme'];
}
return _themekey_match_properties($global_parameters);
}
function _themkey_prepare_object($object) {
$parameters = array(
'#raw' => $object,
);
$properties = variable_get('themekey_properties', array());
foreach ($properties as $property => $details) {
if (($value = _themekey_property_field($object, $details['path'])) != NULL) {
$parameters[$property] = $value;
}
}
return $parameters;
}
function _themekey_property_field($value, $path) {
$parts = explode('/', $path);
foreach ($parts as $part) {
if (is_array($value) && isset($value[$part])) {
$value = (array) $value[$part];
}
else {
return NULL;
}
}
return is_array($value) ? array_keys($value) : $value;
}
function _themekey_match_properties($parameters, $object = NULL) {
if (isset($object)) {
$parameters = _themkey_prepare_object(array_merge($parameters, (array) drupal_clone($object)));
}
$properties = variable_get('themekey_properties', array());
foreach (array_keys($properties) as $property) {
$value = _themekey_property_value($parameters, $property);
if (!empty($value) || count($value)) {
$query = 'SELECT * FROM {themekey_properties} WHERE property = \'' . $property . '\' AND value ';
$query .= is_array($value) ? 'IN (' . db_placeholders($value, 'varchar') . ') ORDER BY weight' : '= \'%s\'';
$result = db_query($query, $value);
while ($item = db_fetch_array($result)) {
$item['conditions'] = unserialize($item['conditions']);
if (_themekey_match_conditions($item['conditions'], $parameters)) {
$callbacks = unserialize($item['callbacks']);
if (is_array($callbacks) && count($callbacks)) {
foreach ($callbacks as $callback) {
$callback($item, $parameters);
}
}
return $item['theme'];
}
}
}
}
return NULL;
}
function _themekey_match_conditions($conditions, $parameters) {
if (is_array($conditions) && count($conditions)) {
foreach ($conditions as $condition) {
$value = _themekey_property_value($parameters, $condition['property']);
if (is_array($value)) {
if (!in_array($condition['value'], $value)) {
return FALSE;
}
}
else {
if (!isset($condition['operator'])) {
$condition['operator'] = '=';
}
if ($condition['operator'] == '<' && $value >= $condition['value']) {
return FALSE;
}
else {
if ($condition['operator'] == '>' && $value <= $condition['value']) {
return FALSE;
}
else {
if ($condition['operator'] == '=' && $value != $condition['value']) {
return FALSE;
}
else {
if ($condition['operator'] == '!' && $value == $condition['value']) {
return FALSE;
}
}
}
}
}
}
}
return TRUE;
}
function _themekey_property_value($parameters, $property) {
if (isset($parameters[$property])) {
return $parameters[$property];
}
$nidmap = array(
'src' => FALSE,
'dst' => FALSE,
);
$uidmap = array(
'src' => FALSE,
'dst' => FALSE,
);
$maps = variable_get('themekey_maps', array());
foreach ($maps as $pos => $map) {
if (isset($parameters[$map['src']]) && $map['dst'] == 'node:nid') {
$nidmap['src'] = $pos;
}
if (isset($parameters[$map['src']]) && $map['dst'] == 'user:uid') {
$uidmap['src'] = $pos;
}
if ($map['src'] == 'node:nid' && $map['dst'] == $property) {
$nidmap['dst'] = $pos;
}
if ($map['src'] == 'user:uid' && $map['dst'] == $property) {
$uidmap['dst'] = $pos;
}
if (isset($parameters[$map['src']]) && $map['dst'] == $property) {
$map_func = $map['callback'];
return $map_func($parameters[$map['src']], $parameters);
}
}
if ($nidmap['src'] !== FALSE && $nidmap['dst'] !== FALSE) {
$src_func = $maps[$nidmap['src']]['callback'];
$dst_func = $maps[$nidmap['dst']]['callback'];
return $dst_func($src_func($parameters[$maps[$nidmap['src']]['src']], $parameters), $parameters);
}
if ($uidmap['src'] !== FALSE && $uidmap['dst'] !== FALSE) {
$src_func = $maps[$uidmap['src']]['callback'];
$dst_func = $maps[$uidmap['dst']]['callback'];
return $dst_func($src_func($parameters[$maps[$uidmap['src']]['src']], $parameters), $parameters);
}
return NULL;
}
