function do_update_diff($pagestr, $poststr, $original)
{
$obj = new line_diff();
$obj->set_str('left', $original, $pagestr);
$obj->compare();
$diff1 = $obj->toArray();
$obj->set_str('right', $original, $poststr);
$obj->compare();
$diff2 = $obj->toArray();
$arr = $obj->arr_compare('all', $diff1, $diff2);
if (PKWK_DIFF_SHOW_CONFLICT_DETAIL) {
global $do_update_diff_table;
$table = array();
$table[] = <<<EOD
<p>l : between backup data and stored page data.<br />
r : between backup data and your post data.</p>
<table class="style_table">
<tr>
<th>l</th>
<th>r</th>
<th>text</th>
</tr>
EOD;
$tags = array('th', 'th', 'td');
foreach ($arr as $_obj) {
$table[] = ' <tr>';
$params = array($_obj->get('left'), $_obj->get('right'), $_obj->text());
foreach ($params as $key => $text) {
$text = htmlspecialchars(rtrim($text));
if (empty($text)) {
$text = ' ';
}
$table[] = ' <' . $tags[$key] . ' class="style_' . $tags[$key] . '">' . $text . '</' . $tags[$key] . '>';
}
$table[] = ' </tr>';
}
$table[] = '</table>';
$do_update_diff_table = implode("\n", $table) . "\n";
unset($table);
}
$body = array();
foreach ($arr as $_obj) {
if ($_obj->get('left') != '-' && $_obj->get('right') != '-') {
$body[] = $_obj->text();
}
}
return array(rtrim(implode('', $body)) . "\n", 1);
}
function showComboDiff($keyword, $db=NULL) {
global $SessSemName;
$version2=getLatestVersion($keyword, $SessSemName[1]);
$version1=getFirstVersion($keyword, $SessSemName[1]);
$version2=$version2["version"];
$version1=$version1["version"];
showPageFrameStart();
wikiSinglePageHeader($wikiData, $keyword);
echo "\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\">";
// create combodiff
$wd1 = getWikiPage($keyword, $version1);
$diffarray1 = toDiffLineArray($wd1['body'], $wd1['user_id']);
$current_version = $version1 + 1;
$differ = new line_diff();
while ($current_version <= $version2) {
$wd2 = getWikiPage($keyword, $current_version);
if ($wd2) {
$diffarray2 = toDiffLineArray($wd2['body'], $wd2['user_id']);
$newarray = $differ->arr_compare("diff", $diffarray1, $diffarray2);
$diffarray1=array();
foreach ($newarray as $i) {
if ($i->status["diff"] != "-") {
$diffarray1[]=$i;
}
}
}
$current_version++;
}
$content="<table>";
$count=0;
$authors=array();
foreach ($diffarray1 as $i) {
if ($i && !in_array($i->who, $authors)) {
$authors[]=$i->who;
if ($count % 4 == 0) {
$content.= "<tr width=\"100%\">";
}
$content.= "<td bgcolor=".create_color($count)." width=14> </td><td><font size=-1>".get_fullname($i->who,'full',1)."</font></td><td> </td>";
if ($count % 4 == 3) {
$content .= "</tr>";
}
$count++;
}
}
echo "<tr><td class=\"table_row_even\" colspan=2>";
echo "<p><font size=-1> <br>";
echo _("Legende der Autor/-innenfarben:");
echo "<table cellpadding=6 cellspacing=6>$content</table>\n";
echo "</p>";
echo "<table cellpadding=0 cellspacing=0 width=\"100%\">";
$last_author=None;
$collect="";
$diffarray1[]=NULL;
foreach ($diffarray1 as $i) {
if (!$i || $last_author != $i->who) {
if (trim($collect)!="") {
$idx=array_search($last_author, $authors);
$col=create_color($idx);
echo "<tr bgcolor=$col>";
echo "<td width=30 align=center valign=top>";
echo Icon::create('info-circle', 'inactive', ['title' => _("Änderung von").' ' . get_fullname($last_author)])->asImg();
echo "</td>";
echo "<td><font size=-1>";
echo wikiReady($collect);
echo "</font></td>";
echo "</tr>";
}
$collect="";
}
if ($i) {
$last_author = $i->who;
$collect .= $i->text;
}
}
echo "</table></td></tr>";
echo "</table> ";
getDiffPageInfobox($keyword);
showPageFrameEnd();
}
