function getCategoricalLayersList($xmlDoc, &$rootNode, $paramsNode) {
$theme_type = $paramsNode->getElementsByTagName('theme_type')->item(0)->nodeValue;
if($theme_type == null || $theme_type == '') {
setError($xmlDoc, $rootNode, "Required parameters not set.");
return;
} else {
$themes = getThemesByType($theme_type);
if($themes === false) {
setError($xmlDoc, $rootNode, "Error fetching information.");
} else {
$layers = getLayersByThemeType($theme_type);
if($layers === false) {
setError($xmlDoc, $rootNode, "Error fetching information.");
} else {
setNoError($xmlDoc, $rootNode);
$thmsNode = addXMLChildNode($xmlDoc, $rootNode, "themes", null, array('theme_type' => $theme_type));
foreach($themes as $theme) {
$chldcnt = sizeof($layers[$theme['theme_id']]);
$theme['icon'] = getThemeIconUrl($theme['icon']);
$thmNode = addXMLChildNode($xmlDoc, $thmsNode, "theme", null, $theme);
foreach($layers[$theme['theme_id']] as $lyr) {
formLayersListXML($xmlDoc, $thmNode, $lyr['layer_tablename'], $lyr['layer_name'], $lyr['access'], $lyr['p_nid'], $lyr['participation_type']);
}
}
}
}
}
}
function getLayersList($xmlDoc, &$rootNode, $db_result) {
while($obj = db_fetch_object($db_result)) {
formLayersListXML($xmlDoc, $rootNode, $obj->layer_tablename, $obj->layer_name, $obj->access, $obj->p_nid, $obj->participation_type);
}
}
