/**
* Get a partial content of a wiki field
*
* $params must be a string in the form "field_id[,len[,wordlen]]", where
* id is the id of a wiki field, len is the number of characters to be
* echoed and wordlen is the maximum length of a single word.
* len defaults to 100 while wordlen defaults to 25.
*/
protected function tagPartialWiki($params)
{
@(list($field_id, $max, $max_word) = explode(',', $params));
if (empty($field_id) || is_null($value = $this->getField($field_id))) {
TIP::error("no valid field found ({$params})");
return null;
}
$fields =& $this->data->getFields();
if (!array_key_exists($field_id, $fields)) {
// Field not found $this->data: it is probably a joined field
$rules = null;
} else {
$field =& $fields[$field_id];
// Get the wiki rules
if (array_key_exists('widget_args', $field)) {
$rules = explode(',', $field['widget_args']);
} elseif (array_key_exists('wiki_rules', $field)) {
// DEPRECATED: now use "widget_args" instead of "wiki_rules" option
$rules = explode(',', $field['wiki_rules']);
} else {
$rules = null;
}
}
$max > 0 || ($max = 100);
$max_word > 0 || ($max_word = 25);
$text = TIP_Renderer::getWiki($rules)->transform($value, 'Plain');
// Ellipsize the words too big
$text_len = -1;
// Do not consider the first space delimiter
$token_list = array();
$token = strtok($text, " \n\t");
while ($text_len < $max && $token !== false) {
$token_len = mb_strlen($token);
if ($token_len > $max_word) {
$token = mb_substr($token, 0, $max_word - 3) . '...';
$token_len = $max_word;
}
$text_len += $token_len + 1;
$token_list[] = $token;
$token = strtok(" \n\t");
}
$text_len > 0 || ($text_len = 0);
$text = implode(' ', $token_list);
$text_len < $max || ($text = mb_substr($text, 0, $max - 3) . '...');
return TIP::toHtml($text);
}
private function &_widgetTextArea(&$field, $args)
{
HTML_QuickForm::registerElementType('wikiarea', 'HTML/QuickForm/wikiarea.php', 'HTML_QuickForm_wikiarea');
$id = $field['id'];
$element =& $this->_addElement('wikiarea', $id, array('class' => 'expand'));
if (!empty($args)) {
$rules = explode(',', $args);
} elseif (array_key_exists('wiki_rules', $field)) {
// DEPRECATED use of "wiki_rules" option instead of "widget_args"
$rules = explode(',', $field['wiki_rules']);
} else {
$rules = null;
}
$element->setWiki(TIP_Renderer::getWiki($rules));
$element->setCols($this->text_cols);
$element->setRows($this->text_rows);
return $element;
}
