/**
* Render a wiki internal link.
* In book export mode a local link with a name/test will be inserted if the
* referenced page is included in the exported pages. Otherwise an external
* link will be created.
*
* @param string $id page ID to link to. eg. 'wiki:syntax'
* @param string|array $name name for the link, array for media file
*
* @author Andreas Gohr <*****@*****.**>, LarsDW223
*/
function internallink($id, $name = NULL)
{
global $ID;
// default name is based on $id as given
$default = $this->_simpleTitle($id);
// now first resolve and clean up the $id
resolve_pageid(getNS($ID), $id, $exists);
$name = $this->_getLinkTitle($name, $default, $isImage, $id);
// build the absolute URL (keeping a hash if any)
list($id, $hash) = explode('#', $id, 2);
// Is the link a link to a page included in the book?
$pages = $this->actioninstance->getExportedPages();
if (in_array($id, $pages)) {
// Yes, create a local link with a name
parent::locallink_with_name($hash, $id, $name);
return;
}
// No, create an external link
$url = wl($id, '', true);
if ($hash) {
$url .= '#' . $hash;
}
if ($ID == $id) {
$this->reference($hash, $name);
} else {
$this->_doLink($url, $name);
}
}
/**
* reformat links if needed
*/
function _formatLink($link)
{
// for internal links contains the title the pageid
if (in_array($link['title'], $this->actioninstance->getExportedPages())) {
list(, $hash) = explode('#', $link['url'], 2);
$check = false;
$pid = sectionID($link['title'], $check);
$link['url'] = "#" . $pid . '__' . $hash;
}
// prefix interwiki links with interwiki icon
if ($link['name'][0] != '<' && preg_match('/\\binterwiki iw_(.\\w+)\\b/', $link['class'], $m)) {
if (file_exists(DOKU_INC . 'lib/images/interwiki/' . $m[1] . '.png')) {
$img = DOKU_BASE . 'lib/images/interwiki/' . $m[1] . '.png';
} elseif (file_exists(DOKU_INC . 'lib/images/interwiki/' . $m[1] . '.gif')) {
$img = DOKU_BASE . 'lib/images/interwiki/' . $m[1] . '.gif';
} else {
$img = DOKU_BASE . 'lib/images/interwiki.png';
}
$link['name'] = '<img src="' . $img . '" width="16" height="16" style="vertical-align: center" class="' . $link['class'] . '" />' . $link['name'];
}
return parent::_formatLink($link);
}
