/**
* Constructor function.
*
* @author Johannes Klose <*****@*****.**>
* @param array &$page Page data
* @return void
**/
function start()
{
$this->pageAction = $this->lang['history'];
if (!$this->hasPerms(PERM_HISTORY)) {
$this->messageEnd('wiki_perm_denied');
}
$tpl =& singleton('template');
$this->pageVersions = diff::getVersions();
if ($this->page['page_id'] == 0) {
$this->HTTPRedirect($this->genUrl($this->getUniqueName($this->page)));
}
if (isset($this->get['o'])) {
$op = $this->get['o'];
} else {
$op = 'list';
}
switch ($op) {
case 'list':
$this->opList();
break;
case 'diff':
$this->opDiff();
break;
default:
$this->opList();
break;
}
}
/**
* This function creates a older version of the current page.
*
* @author Johannes Klose <*****@*****.**>
* @param string $version Version number of the old text
* @return array Text, version and date of the old text
**/
function getOldPageText($version)
{
$tpl =& singleton('template');
$versions = diff::getVersions();
if (!isset($versions[$version])) {
return false;
}
$oldText = diff::createVersion($this->page['page_text'], $versions, $version);
return array('text' => $oldText, 'version' => $version, 'time' => $versions[$version]['log_time']);
}
/**
* Checks if the changes conflict to a version submited
* while editing.
*
* @author Johannes Klose <*****@*****.**>
* @return bool True if there is a conflict, false otherwise
**/
function editConflicts($editText, $editUsername, $editSummary, $editStart)
{
$tpl =& singleton('template');
if ($this->page['page_version'] != $editStart) {
$pageVersions = diff::getVersions();
$orig = $editStart;
$final = $this->page['page_version'];
$finalText = $this->page['page_text'];
$origText = diff::createVersion($this->page['page_text'], $pageVersions, $orig);
$diff = diff::makeDiff($origText, $finalText, $pageVersions);
$tpl->assign('diffOrig', $diff['orig']);
$tpl->assign('diffFinal', $diff['final']);
$tpl->assign('isConflict', true);
$tpl->assign('editStart', $this->time);
$tpl->assign('editText', htmlentities($editText));
$tpl->assign('valAuthor', htmlentities($editUsername));
$tpl->assign('valSummary', htmlentities($editSummary));
$tpl->assign('isMessage', true);
$tpl->assign('message', $this->lang['edit_conflicts']);
$this->lang['history_original'] = sprintf($this->lang['history_original'], $orig, $final, $pageVersions[$final]['log_time']);
$this->lang['history_final'] = sprintf($this->lang['history_final'], $orig, $final, $pageVersions[$final]['log_time']);
return true;
} else {
return false;
}
}
