/**
* Link to the previous page in the containing chapter.
*
* @param array $params
* @return string
*/
function smarty_previouspage($params, &$smarty)
{
global $PIVOTX;
// This tag is only allowed on pages..
if ($PIVOTX['parser']->modifier['pagetype'] != "page") {
return;
}
$vars = $smarty->get_template_vars();
// The current page must exist/have an uid
if (empty($vars['page']['uid'])) {
debug("There is no uid for the current page.");
return;
}
$params = cleanParams($params);
$chapters = $PIVOTX['pages']->getIndex();
$pages = $chapters[$vars['page']['chapter']]['pages'];
// Handle sorting
$sort = false;
if (isset($params['sort'])) {
$sort = true;
if ($params['sort'] == 'title') {
$pages_sort_key = 'title';
} else {
if ($params['sort'] == 'uri') {
$pages_sort_key = 'uri';
} else {
if ($params['sort'] == 'date') {
$pages_sort_key = 'date';
} else {
$sort = false;
}
}
}
}
if ($sort) {
foreach ($pages as $key => $page) {
$pages[$page[$pages_sort_key]] = $page;
unset($pages[$key]);
}
ksort($pages);
}
// We will find the previous page by searching the array in reverse order.
// This means that have to reverse it, if sortorder isn't reverse ;-)
if ($params['sortorder'] != 'reverse') {
$pages = array_reverse($pages, true);
}
$found = false;
do {
$page = current($pages);
$prevpage = next($pages);
if (!$found && $page['uid'] == $vars['page']['uid']) {
$found = true;
}
} while ($prevpage !== false && !($prevpage['status'] == "publish" && $found));
$text = getDefault($params['text'], '« <a href="%link%">%title%</a>');
$cutoff = getDefault($params['cutoff'], 20);
if ($prevpage) {
$title = strlen($prevpage['title']) > 2 ? $prevpage['title'] : substr($prevpage['introduction'], 0, 100);
$link = makePageLink($prevpage['uri'], $prevpage['title'], $prevpage['uid'], $prevpage['date'], $params['weblog']);
$output = $text;
$output = str_replace("%link%", $link, $output);
$output = str_replace("%title%", trimText($title, $cutoff), $output);
$output = str_replace("%subtitle%", trimText($prevpage['subtitle'], $cutoff), $output);
return entifyAmpersand($output);
} else {
return "";
}
}
/**
* Get a single page by its uid
*
* @param integer $uid
* @return array
*/
function getPage($uid)
{
global $PIVOTX;
$page = loadSerialize($PIVOTX['paths']['db_path'] . "pages/page_{$uid}.php");
$page['link'] = makePageLink($page['uri']);
if ($page['title'] == '') {
$page['title'] = __('No title..');
}
// Set the chapter name and description (in addition to just the chapter's ID)
$chapters = $PIVOTX['pages']->getIndex();
$page['chaptername'] = $chapters[$page['chapter']]['chaptername'];
$page['chapterdesc'] = $chapters[$page['chapter']]['description'];
return $page;
}
/**
* Get a single page by its URI
*
* @param string $uri
* @return array
*/
function getPageByUri($uri)
{
global $PIVOTX;
$qry = array();
$qry['select'] = "*";
$qry['from'] = $this->pagestable;
$qry['limit'] = 1;
$qry['where'] = "uri LIKE " . $this->sql->quote($uri);
$this->sql->build_select($qry);
$this->sql->query();
$page = $this->sql->fetch_row();
if (is_array($page)) {
$page['link'] = makePageLink($page['uri']);
// get the 'extra fields'
$this->sql->query("SELECT * FROM " . $this->extrafieldstable . " WHERE contenttype='page' and target_uid=" . intval($page['uid']) . " ORDER BY uid ASC");
$temp_fields = $this->sql->fetch_all_rows();
$page['extrafields'] = array();
if (is_array($temp_fields)) {
foreach ($temp_fields as $temp_field) {
$page['extrafields'][$temp_field['fieldkey']] = $temp_field['value'];
}
}
// Set the chaptername (in addition to just the chapter's ID)
$chapters = $PIVOTX['pages']->getIndex();
$page['chaptername'] = $chapters[$page['chapter']]['chaptername'];
return $page;
} else {
// we couldn't find the page. Bummer!
return array();
}
}
