function lock_alter_render_early($args)
{
$elem =& $args['elem'];
$obj = $args['obj'];
if (!elem_has_class($elem, 'object')) {
return false;
}
if (!empty($obj['object-lock'])) {
elem_add_class($elem, 'locked');
}
return true;
}
function webvideo_render_object($args)
{
$obj = $args['obj'];
if (!isset($obj['type']) || $obj['type'] != 'webvideo') {
return false;
}
$e = elem('div');
elem_attr($e, 'id', $obj['name']);
elem_add_class($e, 'webvideo');
elem_add_class($e, 'resizable');
elem_add_class($e, 'object');
// hooks
invoke_hook_first('alter_render_early', 'webvideo', array('obj' => $obj, 'elem' => &$e, 'edit' => $args['edit']));
$html = elem_finalize($e);
invoke_hook_last('alter_render_late', 'webvideo', array('obj' => $obj, 'html' => &$html, 'elem' => $e, 'edit' => $args['edit']));
return $html;
}
/**
* implements render_object
*/
function image_render_object($args)
{
$obj = $args['obj'];
if (!isset($obj['type']) || $obj['type'] != 'image') {
return false;
}
// the outer element must be a div or something else that can contain
// other elements
// we only set up the most basic element here - all the other work is
// done inside the alter_render_early hook
// this way also object that "derive" from this (which don't have their
// $obj['type'] set to image) can use this code
$e = elem('div');
elem_attr($e, 'id', $obj['name']);
elem_add_class($e, 'image');
elem_add_class($e, 'resizable');
elem_add_class($e, 'object');
// hook
// elem is passed as reference here
// it is suggested that we first call our own function before any others
// that might want to modify the element that is being set up
invoke_hook_first('alter_render_early', 'image', array('obj' => $obj, 'elem' => &$e, 'edit' => $args['edit']));
$html = elem_finalize($e);
// html is passed as reference here
// it is suggested that we call our own function after all others
invoke_hook_last('alter_render_late', 'image', array('obj' => $obj, 'html' => &$html, 'elem' => $e, 'edit' => $args['edit']));
return $html;
}
/**
* turn a page into an html string
*
* the function also appends the resulting string to the output in
* html.inc.php.
* @param array $args arguments
* key 'page' is the page (i.e. page.rev)
* key 'edit' are we editing or not
* @return array response
* html
*/
function render_page($args)
{
// maybe move this to common.inc.php in the future and get rid of some of
// these checks in the beginning
if (empty($args['page'])) {
return response('Required argument "page" missing or empty', 400);
}
if (!page_exists($args['page'])) {
return response('Page ' . quot($args['page']) . ' does not exist', 404);
}
if (!isset($args['edit'])) {
return response('Required argument "edit" missing', 400);
}
if ($args['edit']) {
$args['edit'] = true;
} else {
$args['edit'] = false;
}
log_msg('debug', 'render_page: rendering ' . quot($args['page']));
$bdy =& body();
elem_add_class($bdy, 'page');
elem_attr($bdy, 'id', $args['page']);
invoke_hook('render_page_early', array('page' => $args['page'], 'edit' => $args['edit']));
// for every file in the page directory
$files = @scandir(CONTENT_DIR . '/' . str_replace('.', '/', $args['page']));
foreach ($files as $f) {
$fn = CONTENT_DIR . '/' . str_replace('.', '/', $args['page']) . '/' . $f;
if ($f == '.' || $f == '..') {
continue;
} elseif (is_link($fn) && !is_file($fn) && !is_dir($fn)) {
// delete dangling symlink
if (@unlink($fn)) {
log_msg('info', 'render_page: deleted dangling symlink ' . quot($args['page'] . '.' . $f));
} else {
log_msg('error', 'render_page: error deleting dangling symlink ' . quot($args['page'] . '.' . $f));
}
continue;
}
// render object
render_object(array('name' => $args['page'] . '.' . $f, 'edit' => $args['edit']));
}
invoke_hook('render_page_late', array('page' => $args['page'], 'edit' => $args['edit']));
log_msg('debug', 'render_page: finished ' . quot($args['page']));
// return the body element as html-string as well
return response(elem_finalize($bdy));
}
function download_render_object($args)
{
$obj = $args['obj'];
if (!isset($obj['type']) || $obj['type'] != 'download') {
return false;
}
$e = elem('div');
elem_attr($e, 'id', $obj['name']);
elem_add_class($e, 'download');
elem_add_class($e, 'object');
// hooks
invoke_hook_first('alter_render_early', 'download', array('obj' => $obj, 'elem' => &$e, 'edit' => $args['edit']));
$html = elem_finalize($e);
invoke_hook_last('alter_render_late', 'download', array('obj' => $obj, 'html' => &$html, 'elem' => $e, 'edit' => $args['edit']));
if (!$args['edit']) {
// put link to file around the element
if (SHORT_URLS) {
$link = base_url() . urlencode($obj['name']) . '&download=1';
} else {
$link = base_url() . '?' . urlencode($obj['name']) . '&download=1';
}
$html = '<a href="' . htmlspecialchars($link, ENT_COMPAT, 'UTF-8') . '">' . "\n\t" . str_replace("\n", "\n\t", $html) . "\n" . '</a>' . "\n";
}
return $html;
}
