/**
* Compares two revisions of the page
*/
function compareVersion()
{
global $lng;
if (!$this->getEnableEditing()) {
return;
}
$tpl = new ilTemplate("tpl.page_compare.html", true, true, "Services/COPage");
$compare = $this->obj->compareVersion($_POST["left"], $_POST["right"]);
// left page
$lpage = $compare["l_page"];
$lpage_gui = new ilPageObjectGUI("wpg");
$lpage_gui->setOutputMode(IL_PAGE_PREVIEW);
$lpage_gui->setPageObject($lpage);
$lpage_gui->setPreventHTMLUnmasking(true);
$lpage_gui->setPresentationTitle($this->getPresentationTitle());
$lpage_gui->setCompareMode(true);
$lhtml = $lpage_gui->showPage();
$lhtml = $this->replaceDiffTags($lhtml);
$lhtml = str_replace("<br />", "<br />", $lhtml);
$tpl->setVariable("LEFT", $lhtml);
// right page
$rpage = $compare["r_page"];
$rpage_gui = new ilPageObjectGUI("wpg");
$rpage_gui->setOutputMode(IL_PAGE_PREVIEW);
$rpage_gui->setPageObject($rpage);
$rpage_gui->setPreventHTMLUnmasking(true);
$rpage_gui->setPresentationTitle($this->getPresentationTitle());
$rpage_gui->setCompareMode(true);
$rhtml = $rpage_gui->showPage();
$rhtml = $this->replaceDiffTags($rhtml);
$rhtml = str_replace("<br />", "<br />", $rhtml);
$tpl->setVariable("RIGHT", $rhtml);
$tpl->setVariable("TXT_NEW", $lng->txt("cont_pc_new"));
$tpl->setVariable("TXT_MODIFIED", $lng->txt("cont_pc_modified"));
$tpl->setVariable("TXT_DELETED", $lng->txt("cont_pc_deleted"));
//var_dump($left);
//var_dump($right);
return $tpl->get();
}