/**
* Creates a way to navigate between pages.
*
* @param array $params
* @param object $smarty
* @return string
*/
function smarty_paging($params, &$smarty)
{
global $PIVOTX, $modifier;
$params = cleanParams($params);
$action = getDefault($params['action'], "digg");
$showalways = getDefault($params['showalways'], false);
$funcs = new Paging("paging");
// Check if we are called correctly and on the correct page
$msg = $funcs->sanity_check($action);
if ($msg != "" && $showalways == false) {
return $msg;
}
// Currently only finds the offset
$msg = $funcs->setup($action);
if ($msg != "" && $showalways == false) {
return $msg;
}
$subweblogs = $PIVOTX['weblogs']->getSubweblogs();
$num_entries = 0;
$cats = array();
// Find the number of entries displayed on the page, as defined
// in the weblog configuration, unless specified as a parameter
if (!empty($params['amount'])) {
$num_entries = intval($params['amount']);
} else {
if (!empty($params['showme'])) {
// Note: 'showme' is deprecated. included for backwards compatibility.
$num_entries = intval($params['showme']);
} else {
foreach ($subweblogs as $subweblog) {
$subweblog = $PIVOTX['weblogs']->getSubweblog('', $subweblog);
$num_entries = max($subweblog['num_entries'], $num_entries);
}
}
}
// Find the categories displayed on the page, as defined in
// the weblog configuration, unless specified as a parameter
//
// If we have a 'c=' parameter, use the cats in that to display..
// To prevent weird things from happening, we only allow changing weblogs
// with a name like 'default', 'standard', 'main' or 'weblog'.
// Alternatively, we check if the template specifies the categories to
// display, like [[ weblog name='weblog' category="default, movies, music" ]]
if (!empty($modifier['category'])) {
$cats = explode(",", safeString($modifier['category']));
$cats = array(array_map("trim", $cats));
} else {
if (!empty($params['category']) && $params['category'] == "*") {
$cats = array($PIVOTX['categories']->getCategorynames());
$params['catsinlink'] = true;
} else {
if (!empty($params['category'])) {
$cats = explode(",", safeString($params['category']));
$cats = array(array_map("trim", $cats));
$params['catsinlink'] = true;
} else {
// We have to keep the subweblogs separate, because we need to be able to figure
// out which subweblog has the most entries, and _not_ the entries combined.
foreach ($subweblogs as $subweblog) {
$subweblog = $PIVOTX['weblogs']->getSubweblog('', $subweblog);
// Only add categories from subweblogs that have any categories assigned.
if (count($subweblog['categories']) > 0) {
$cats[] = $subweblog['categories'];
}
}
}
}
}
return $funcs->doit($action, $text, $cats, $num_entries, $params);
}
