*/
class syntax_plugin_pagenav extends DokuWiki_Syntax_Plugin
{
/** @inheritDoc */
public function getType()
{
return 'substition';
}
/** @inheritDoc */
public function getPType()
{
return 'block';
}
/** @inheritDoc */
public function getSort()
{
return 155;
}
/** @inheritDoc */
public function connectTo($mode)
{
$this->Lexer->addSpecialPattern('\[<\d*>(?: [^\]]+)?\]', $mode, 'plugin_pagenav');
}
/** @inheritDoc */
public function handle($match, $state, $pos, Doku_Handler $handler)
{
//split the match in it's parts
$match = substr($match, 1, -1);
list($mode, $glob) = explode(' ', $match, 2);
$mode = (int)substr($mode, 1, -1);
if (!$mode) $mode = 2 + 4 + 8;
return array(strtolower(trim($glob)), $mode);
}
/** @inheritDoc */
public function render($format, Doku_Renderer $renderer, $data)
{
global $INFO;
global $conf;
if ($format != 'xhtml') return false;
list($glob, $mode) = $data;
$glob = preg_quote($glob, '/');
// get all files in current namespace
static $list = null; // static to reuse the array for multiple calls.
if (is_null($list)) {
$list = array();
$ns = str_replace(':', '/', getNS($INFO['id']));
search($list, $conf['datadir'], 'search_list', array(), utf8_encodeFN($ns));
}
$id = $INFO['id'];
// find the start page
$exist = false;
$start = getNS($INFO['id']) . ':';
resolve_pageid('', $start, $exist);
$cnt = count($list);
if ($cnt < 2) return true; // there are no other doc in this namespace
$first = '';
$prev = '';
$last = '';
$next = '';
$self = false;
// we go through the list only once, handling all options and globs
// only for the 'last' command the whole list is iterated
for ($i = 0; $i < $cnt; $i++) {
if ($list[$i]['id'] == $id) {
$self = true;
} else {
if ($glob && !preg_match('/' . $glob . '/', noNS($list[$i]['id']))) continue;
if ($list[$i]['id'] == $start) continue;
if (isHiddenPage($list[$i]['id'])) continue;
if ($self) {
// we're after the current id
if (!$next) {
$next = $list[$i]['id'];
}
$last = $list[$i]['id'];
} else {
// we're before the current id
if (!$first) {
$first = $list[$i]['id'];
}
$prev = $list[$i]['id'];
}
}
}
$renderer->doc .= '';
if ($mode & 4) $renderer->doc .= $this->buildImgLink($first, 'first');
if ($mode & 2) $renderer->doc .= $this->buildImgLink($prev, 'prev');
if ($mode & 8) $renderer->doc .= $this->buildImgLink($start, 'up');
if ($mode & 2) $renderer->doc .= $this->buildImgLink($next, 'next');
if ($mode & 4) $renderer->doc .= $this->buildImgLink($last, 'last');
$renderer->doc .= '
';
return true;
}
/**
* Builds the link using an SVG image
*
* @param string $page page to link to
* @param string $cmd
* @return string
*/
protected function buildImgLink($page, $cmd)
{
$img = inlineSVG(__DIR__ . '/img/' . $cmd . '.svg');
// no page, gray out item
if (blank($page)) {
return '' . $img . '';
}
$title = p_get_first_heading($page);
$attr = [
'href' => wl($page),
'title' => $this->getLang($cmd) . ': ' . hsc($title),
'class' => 'wikilink1 ' . $cmd,
];
return '' . $img . '';
}
}