function showlogin()
{
    global $lang;
    global $site;
    global $user;
    $site->title($lang['login']['title']);
    $site->addfooter("help.php?on=login", "help", $lang['menu']['help'], $lang['menu']['helpalt']);
    if ($_POST['cancel']) {
        redirect("home.php");
    }
    $form = new CodeKBForm("login.php", "login");
    $form->addtext("user");
    $form->addlabel("user", $lang['general']['username']);
    $form->setrequired("user");
    $form->addpassword("password");
    $form->addlabel("password", $lang['general']['password']);
    $form->setrequired("password");
    $form->addcheckbox("cookie", $lang['login']['cookie']);
    $form->addsubmit();
    $form->addcancel();
    if ($_POST['submit']) {
        if (!$form->fill()) {
            $site->addcontent(notice($lang['general']['missing']));
        } else {
            try {
                $user->login($form->value("user"), $form->value("password"));
                if ($form->value("cookie")) {
                    $user->cookie();
                }
                redirect("home.php");
            } catch (Exception $e) {
                // A small penalty
                sleep(3);
                $site->addcontent(notice($lang['login']['failed']));
                $form->setmissing("user");
                $form->setmissing("password");
            }
        }
    }
    $dialog = new CodeKBTemplate("dialog");
    $dialog->push("legend", $lang['login']['title']);
    $content = $form->head();
    $content .= phrasereplace($lang['login']['description'], "%1%", url("login.php?action=register", $lang['login']['register'])) . "<br /><br />\n";
    $content .= $form->get();
    $content .= $form->tail();
    $dialog->push("content", $content);
    $site->addcontent($dialog);
    return true;
}
function showusermod()
{
    global $lang;
    global $conf;
    global $user;
    global $admin;
    global $site;
    global $userid;
    $site->title($lang['admin']['modifyusers']);
    $site->addfooter("help.php?on=admin#user", "help", $lang['menu']['help'], $lang['menu']['helpalt']);
    if ($_POST['cancel']) {
        redirect("admin.php");
    }
    $form1 = new CodeKBForm("admin.php", "modifyuser");
    $form1->addhidden("user", $userid);
    $form1->addtext("name", $admin->username($userid));
    $form1->addlabel("name", $lang['general']['username']);
    $form1->setrequired("name");
    $form1->addpassword("password");
    $form1->addlabel("password", $lang['admin']['password']);
    $form1->addcheckbox("delete", $lang['admin']['deleteuser']);
    $form1->addsubmit("changeuser");
    $form1->addcancel();
    $form2 = new CodeKBForm("admin.php", "modifyuser");
    $form2->addhidden("user", $userid);
    $groups = $admin->listgroups();
    foreach ($groups as $val) {
        if (!is_null($val['name'])) {
            $form2->addcombo("group", $val['id'], $val['name']);
        }
    }
    $form2->addsubmit("joingroup");
    $form2->addcancel();
    $form3 = new CodeKBForm("admin.php", "modifyuser");
    $form3->addhidden("user", $userid);
    $usersgroups = $admin->usersgroups($userid);
    foreach ($usersgroups as $val) {
        if (!is_null($val['name'])) {
            $form3->addcheckbox("group_" . $val['id'], $val['name'] . " (" . url("admin.php?group=" . $val['id'] . "&action=modifygroup", $lang['general']['modify']) . ")");
        }
    }
    $form3->addsubmit("partgroup", $lang['general']['delete']);
    $form3->addcancel();
    if ($_POST['changeuser']) {
        if (!$form1->fill()) {
            $site->addcontent(notice($lang['general']['missing']));
        } else {
            if ($form1->value("delete")) {
                try {
                    $admin->deleteuser($userid);
                    redirect("admin.php?action=users");
                } catch (Exception $e) {
                    if ($e->getCode() == 1) {
                        $site->addcontent(notice($lang['admin']['deleteadmin']));
                    } else {
                        $site->addcontent(notice($lang['admin']['faileddeluser']));
                    }
                }
            } else {
                try {
                    $admin->changeuser($userid, $form1->value("name"), $form1->value("password"));
                    $site->addcontent(notice($lang['admin']['changeusersucc']));
                    $form1->addpassword("password", "");
                } catch (Exception $e) {
                    if ($e->getCode() == 1) {
                        $site->addcontent(notice($lang['admin']['duplicateuser']));
                        $form1->setmissing("name");
                    } else {
                        $site->addcontent(notice($lang['admin']['failesuserchange']));
                    }
                }
            }
        }
    }
    if ($_POST['joingroup'] && $form2->fill() && $form2->value("group")) {
        try {
            $admin->joingroup($userid, $form2->value("group"));
            $site->addcontent(notice($lang['admin']['joinsucc']));
            $form3->addcheckbox("group_" . $form2->value("group"), $admin->groupname($form2->value("group")) . " (" . url("admin.php?group=" . $form2->value("group") . "&action=modifygroup", $lang['general']['modify']) . ")");
        } catch (Exception $e) {
            if ($e->getCode() == 1) {
                $site->addcontent(notice($lang['admin']['alreadyingroup']));
            } else {
                $site->addcontent(notice($lang['admin']['failedjoin']));
            }
        }
    }
    if ($_POST['partgroup'] && $form3->fill()) {
        try {
            foreach ($usersgroups as $val) {
                if ($form3->value("group_" . $val['id'])) {
                    $admin->partgroup($userid, $val['id']);
                    $notice = $lang['admin']['partsucc'];
                    $form3->remove("group_" . $val['id']);
                }
            }
        } catch (Exception $e) {
            $notice = $lang['admin']['failedpart'];
        }
        $site->addcontent(notice($notice));
    }
    $dialog = new CodeKBTemplate("dialog");
    $dialog->push("legend", $lang['admin']['modifyusers']);
    $dialogitem1 = new CodeKBTemplate("dialogitem");
    $content = $form1->head();
    $content .= $lang['admin']['changeuserexplain'] . "<br /><br />\n";
    $dialogitem1->push("head", $content);
    $dialogitem1->push("content1", $form1->get());
    $dialogitem1->push("tail", $form1->tail());
    $dialogitem2 = new CodeKBTemplate("dialogitem");
    $content = $form2->head();
    $content .= $lang['admin']['joinuserexplain'] . "<br /><br />\n";
    $dialogitem2->push("head", $content);
    $dialogitem2->push("content1", $form2->get());
    $dialogitem2->push("tail", $form2->tail());
    $dialogitem3 = new CodeKBTemplate("dialogitem");
    $content = $form3->head();
    $content .= $lang['admin']['partuserexplain'] . "<br /><br />\n";
    $dialogitem3->push("head", $content);
    $content = "<div class = \"forms\">";
    $content .= $form3->get();
    $content .= "</div>";
    $dialogitem3->push("content1", $content);
    $dialogitem3->push("tail", $form3->tail());
    $dialogcode = $dialogitem1->__toString();
    $dialogcode .= $dialogitem2->__toString();
    $dialogcode .= $dialogitem3->__toString();
    $dialog->push("content", $dialogcode);
    $site->addcontent($dialog);
    return true;
}
function showsort()
{
    global $lang;
    global $user;
    global $site;
    global $conf;
    global $category;
    $site->title($lang['sort']['changeview']);
    $site->addfooter("help.php?on=category#view", "help", $lang['menu']['help'], $lang['menu']['helpalt']);
    $sort = $_SESSION['sort'] ? $_SESSION['sort'] : urldecode($_COOKIE['codekb_sort']);
    $order = $_SESSION['order'] != "" ? $_SESSION['order'] : urldecode($_COOKIE['codekb_order']);
    $age = $_SESSION['age'] != "" ? $_SESSION['age'] : urldecode($_COOKIE['codekb_age']);
    $whichage = $_SESSION['wage'] != "" ? $_SESSION['wage'] : urldecode($_COOKIE['codekb_wage']);
    $entriesperpage = $_SESSION['epp'] != "" ? $_SESSION['epp'] : urldecode($_COOKIE['codekb_epp']);
    if (!$entriesperpage) {
        $entriesperpage = $conf['layout']['entriesperpage'];
    }
    $dialog = new CodeKBTemplate("dialog");
    $dialogitem = new CodeKBTemplate("dialogitem");
    $form = new CodeKBForm("category.php", "cookie");
    $form->addhidden("id", $category->id());
    $form->addcombo("sort", $lang['sort']['sortbyname'], null, !$sort || $sort == $lang['sort']['sortbyname']);
    $form->addcombo("sort", $lang['sort']['sortbycreatedate'], null, $sort == $lang['sort']['sortbycreatedate']);
    $form->addcombo("sort", $lang['sort']['sortbymodifydate'], null, $sort == $lang['sort']['sortbymodifydate']);
    $form->addlabel("sort", $lang['sort']['sortby']);
    $form->addcombo("order", $lang['sort']['ascending'], null, !$order || $order == $lang['sort']['ascending']);
    $form->addcombo("order", $lang['sort']['descending'], null, $order == $lang['sort']['descending']);
    $form->addcheckbox("save", $lang['sort']['save']);
    $form->addcombo("age", $lang['search']['1day'], null, $age == $lang['search']['1day']);
    $form->addcombo("age", $lang['search']['7days'], null, $age == $lang['search']['7days']);
    $form->addcombo("age", $lang['search']['1month'], null, $age == $lang['search']['1month']);
    $form->addcombo("age", $lang['search']['3months'], null, $age == $lang['search']['3months']);
    $form->addcombo("age", $lang['search']['6months'], null, $age == $lang['search']['6months']);
    $form->addcombo("age", $lang['search']['1year'], null, $age == $lang['search']['1year']);
    $form->addcombo("age", $lang['search']['all'], null, !$age || $age == $lang['search']['all']);
    $form->addlabel("age", $lang['search']['notolder']);
    $form->addradio("whichage", $lang['sort']['sortbycreatedate'], $lang['sort']['sortbycreatedate'], !$whichage || $whichage == $lang['sort']['sortbycreatedate']);
    $form->addradio("whichage", $lang['sort']['sortbymodifydate'], $lang['sort']['sortbymodifydate'], $whichage == $lang['sort']['sortbymodifydate']);
    $form->addcombo("epp", "5", null, $entriesperpage == 5);
    $form->addcombo("epp", "10", null, $entriesperpage == 10);
    $form->addcombo("epp", "15", null, $entriesperpage == 15);
    $form->addcombo("epp", "20", null, $entriesperpage == 20);
    $form->addcombo("epp", "25", null, $entriesperpage == 25);
    $form->addcombo("epp", "30", null, $entriesperpage == 30);
    $form->addcombo("epp", "50", null, $entriesperpage == 50);
    $form->addcombo("epp", "100", null, $entriesperpage == 100);
    $form->addcombo("epp", $lang['search']['all'], null, $entriesperpage == $lang['search']['all']);
    $form->addlabel("epp", $lang['search']['entriesperpage']);
    $form->addbutton("submit");
    $form->addbutton("cancel");
    $dialogitem->push("head", $form->head());
    $content = $form->get("sort");
    $content .= $form->get("order");
    $content .= "<br /><br /><br />" . $form->get("save");
    $dialogitem->push("content1", $content);
    $content = $form->get("age");
    $content .= $form->get("whichage");
    $dialogitem->push("content2", $content);
    $content = $form->get("epp");
    $dialogitem->push("content3", $content);
    $dialogitem->push("tail", "<br />" . $form->tail());
    $dialog->push("legend", $lang['sort']['changeview']);
    $dialog->push("content", $dialogitem);
    $site->addcontent($dialog);
    return true;
}
function showfiles()
{
    global $lang;
    global $conf;
    global $user;
    global $site;
    global $category;
    global $entry;
    $site->title($lang['entry']['files']);
    $site->addfooter("help.php?on=file", "help", $lang['menu']['help'], $lang['menu']['helpalt']);
    if ($category) {
        $cat = $category->id();
    }
    if (!$user->entrycan("changeentry", $entry)) {
        $site->addcontent(notice($lang['entry']['nochangeallowed']));
        return false;
    }
    if ($_POST['cancel']) {
        redirect("entry.php?id=" . $entry->id() . "&cat=" . $cat);
    }
    $form1 = new CodeKBForm("entry.php", "files");
    $form1->addhidden("id", $entry->id());
    $form1->addhidden("cat", $cat);
    $form1->addfile("upload");
    $form1->addlabel("upload", $lang['file']['upload']);
    $form1->addcombo("highlight", $conf['highlight']['binary']);
    while ($language = next($conf['highlight']['languages'])) {
        $form1->addcombo("highlight", $language, null, $language == "text");
    }
    $form1->addlabel("highlight", $lang['file']['language']);
    $db = new CodeKBDatabase();
    $db->dosql("SELECT name, symbol " . "FROM symbols " . "WHERE symbol LIKE 'type_%'");
    while ($val = $db->row()) {
        $form1->addradio("symbol", $val['name'], icon($val['name'], $val['name']), $val['name'] == "Unkown", false);
    }
    $form1->addsubmit("addfile");
    $form1->addcancel();
    $form2 = new CodeKBForm("entry.php", "files");
    $form2->addhidden("id", $entry->id());
    $form2->addhidden("cat", $cat);
    $filesofentry = $entry->listfiles();
    foreach ($filesofentry as $val) {
        $form2->addcheckbox("file_" . $val['id'], icon($val['symbol'], $val['name']) . " " . $val['name'] . " (" . url("file.php?id=" . $val['id'] . "&cat=" . $cat . "&action=modify", $lang['general']['modify']) . ")");
    }
    $form2->addsubmit("removefile", $lang['general']['delete']);
    $form2->addcancel();
    if ($_POST['addfile'] && $form1->fill()) {
        try {
            $ret = $entry->addfile("upload", $form1->value("highlight"), $form1->value("symbol"));
            $newfile = new CodeKBFile($ret, $user);
            $site->addcontent(notice($lang['file']['addsucc']));
            $form2->addcheckbox("file_" . $newfile->id(), icon($newfile->symbol(), $newfile->name()) . " " . $newfile->name() . " (" . url("file.php?id=" . $newfile->id() . "&cat=" . $cat . "&action=modify", $lang['general']['modify']) . ")");
            unset($newfile);
        } catch (Exception $e) {
            if ($e->getCode() == 1) {
                $site->addcontent(notice($lang['file']['uploadfailed']));
            } else {
                $site->addcontent(notice($lang['file']['failedadd']));
            }
        }
    }
    if ($_POST['removefile'] && $form2->fill()) {
        foreach ($filesofentry as $val) {
            try {
                if ($form2->value("file_" . $val['id']) == "1") {
                    $tmpfile = new CodeKBFile($val['id'], $user);
                    $tmpfile->delete();
                    unset($tmpfile);
                    $notice = $lang['file']['delsucc'];
                    $form2->remove("file_" . $val['id']);
                }
            } catch (Exception1 $e) {
                $notice = $lang['file']['failedremove'];
                break;
            }
        }
        $site->addcontent(notice($notice));
    }
    $dialog = new CodeKBTemplate("dialog");
    $dialog->push("legend", $lang['entry']['files']);
    $dialogcode = "";
    $dialogitem1 = new CodeKBTemplate("dialogitem");
    $content = $form1->head();
    $content .= $lang['file']['addexplain'] . "<br /><br />\n";
    $dialogitem1->push("head", $content);
    $dialogitem1->push("content1", $form1->get());
    $dialogitem1->push("tail", $form1->tail());
    $dialogcode .= $dialogitem1->__toString();
    $content = $form2->head();
    $content .= $lang['file']['removeexplain'] . "<br /><br />\n";
    $dialogitem2 = new CodeKBTemplate("dialogitem");
    $dialogitem2->push("head", $content);
    $content = "<div class = \"forms\">\n";
    $content .= $form2->get();
    $content .= "</div>";
    $dialogitem2->push("content1", $content);
    $dialogitem2->push("tail", $form2->tail());
    $dialogcode .= $dialogitem2->__toString();
    $dialog->push("content", $dialogcode);
    $site->addcontent($dialog);
    return true;
}