/**
* Word wraps the text if enabled.
*
* @param string Text to wrap
*
* @return string Wrapped text
*/
protected function doWordWrap($text)
{
if (self::$wordWrap != 0) {
$text = vB_String::fetchWordWrappedString($text, self::$wordWrap, ' ');
}
return $text;
}
public function fetchHistoryComparison($nodeid, $oldpost, $newpost)
{
if (!$this->canViewPostHistory($nodeid)) {
throw new Exception('no_permission');
}
$_posthistory = vB::getDbAssertor()->getRows('vBForum:postedithistory', array(vB_dB_Query::TYPE_KEY => vB_dB_Query::QUERY_SELECT, vB_dB_Query::CONDITIONS_KEY => array('nodeid' => $nodeid, 'postedithistoryid' => array($oldpost, $newpost)), vB_dB_Query::COLUMNS_KEY => array('postedithistoryid', 'reason', 'dateline', 'username', 'original', 'pagetext')), array('field' => 'postedithistoryid', 'direction' => vB_dB_Query::SORT_ASC));
if (!$_posthistory) {
throw new Exception('no_permission');
}
$posthistory = array();
$key = 1;
foreach ($_posthistory as $info) {
$posthistory['post' . $key] = $info;
$key++;
}
require_once DIR . '/includes/class_diff.php';
if ($posthistory['post2']) {
$textdiff_obj = new vB_Text_Diff($posthistory['post1']['pagetext'], $posthistory['post2']['pagetext']);
} else {
$textdiff_obj = new vB_Text_Diff($posthistory['post1']['pagetext'], $posthistory['post1']['pagetext']);
}
$results = array();
$diff = $textdiff_obj->fetch_diff();
foreach ($diff as $diffrow) {
$compare_show = array();
if ($diffrow->old_class == 'unchanged' and $diffrow->new_class == 'unchanged') {
// no change
$results[] = array('unchanged_olddata' => vB_String::fetchWordWrappedString(nl2br(vB_String::htmlSpecialCharsUni(implode("\n", $diffrow->fetch_data_old())))));
} else {
// something has changed
$results[] = array('changed_olddata' => vB_String::fetchWordWrappedString(nl2br(vB_String::htmlSpecialCharsUni(implode("\n", $diffrow->fetch_data_old())))), 'changed_newdata' => vB_String::fetchWordWrappedString(nl2br(vB_String::htmlSpecialCharsUni(implode("\n", $diffrow->fetch_data_new())))));
}
}
return $results;
}
