function page_delete()
{
    if (ps('name') == 'default') {
        return page_edit();
    }
    $name = doSlash(ps('name'));
    safe_delete("txp_page", "name='{$name}'");
    page_edit(messenger('page', $name, 'deleted'));
}

function thumbnail_create()
{
    extract(doSlash(gpsa(array('id', 'width', 'height'))));
    // better checking of thumbnail dimensions
    // don't try and use zeros
    $width = (int) $width;
    $height = (int) $height;
    if ($width == 0 && $height == 0) {
        image_edit(messenger('invalid_width_or_height', "({$width})/({$height})", ''), $id);
        return;
    } else {
        if ($width == 0) {
            $width = '';
        }
        if ($height == 0) {
            $height = '';
        }
    }
    $crop = gps('crop');
    $t = new txp_thumb($id);
    $t->crop = $crop == '1';
    $t->hint = '0';
    $t->width = $width;
    $t->height = $height;
    if ($t->write()) {
        global $prefs;
        $prefs['thumb_w'] = $width;
        $prefs['thumb_h'] = $height;
        $prefs['thumb_crop'] = $crop;
        // hidden prefs
        set_pref('thumb_w', $width, 'image', 2);
        set_pref('thumb_h', $height, 'image', 2);
        set_pref('thumb_crop', $crop, 'image', 2);
        $message = gTxt('thumbnail_saved', array('{id}' => $id));
        update_lastmod();
        image_edit($message, $id);
    } else {
        $message = gTxt('thumbnail_not_saved', array('{id}' => $id));
        image_edit($message, $id);
    }
}

function ign_user_delete()
{
    global $ign_user_db;
    $user_id = ps('user_id');
    $name = fetch('Realname', $ign_user_db, 'user_id', $user_id);
    if ($name) {
        $rs = safe_delete($ign_user_db, "user_id = '{$user_id}'");
        if ($rs) {
            ign_admin(messenger('user', $name, 'deleted'));
        }
    }
}

function file_delete($ids = array())
{
    global $file_base_path;
    $ids = $ids ? array_map('assert_int', $ids) : array(assert_int(ps('id')));
    $fail = array();
    $rs = safe_rows_start('id, filename', 'txp_file', 'id IN (' . join(',', $ids) . ')');
    if ($rs) {
        while ($a = nextRow($rs)) {
            extract($a);
            $filepath = build_file_path($file_base_path, $filename);
            $rsd = safe_delete('txp_file', "id = {$id}");
            $ul = false;
            if ($rsd && is_file($filepath)) {
                $ul = unlink($filepath);
            }
            if (!$rsd or !$ul) {
                $fail[] = $id;
            }
        }
        if ($fail) {
            file_list(messenger(gTxt('file_delete_failed'), join(', ', $fail), ''));
        } else {
            file_list(gTxt('file_deleted', array('{name}' => join(', ', $ids))));
        }
    } else {
        file_list(messenger(gTxt('file_not_found'), join(', ', $ids), ''));
    }
}

function discuss_multi_edit()
{
    $parentid = safe_field("txp_discuss", "parentid", "parentid=" . doSlash(ps('discussid')));
    $deleted = event_multi_edit('txp_discuss', 'discussid');
    if (!empty($deleted)) {
        // might as well clean up all comment counts while we're here.
        clean_comment_counts();
        return discuss_list(messenger('comment', $deleted, 'deleted'));
    }
    return discuss_list();
}

//.........这里部分代码省略.........
                foreach ($selected as $id) {
                    $author = safe_field('AuthorID', 'textpattern', "ID = {$id}");
                    if ($author == $txp_user) {
                        $allowed[] = $id;
                    }
                }
            }
            $selected = $allowed;
        }
        foreach ($selected as $id) {
            if (safe_delete('textpattern', "ID = {$id}")) {
                $ids[] = $id;
            }
        }
        $changed = join(', ', $ids);
        if ($changed) {
            safe_update('txp_discuss', "visible = " . MODERATE, "parentid in({$changed})");
        }
    } else {
        $selected = array_map('assert_int', $selected);
        $selected = safe_rows('ID, AuthorID, Status', 'textpattern', 'ID in (' . implode(',', $selected) . ')');
        $allowed = array();
        foreach ($selected as $item) {
            if ($item['Status'] >= 4 and has_privs('article.edit.published') or $item['Status'] >= 4 and $item['AuthorID'] == $txp_user and has_privs('article.edit.own.published') or $item['Status'] < 4 and has_privs('article.edit') or $item['Status'] < 4 and $item['AuthorID'] == $txp_user and has_privs('article.edit.own')) {
                $allowed[] = $item['ID'];
            }
        }
        $selected = $allowed;
        unset($allowed);
        switch ($method) {
            // change author
            case 'changeauthor':
                $key = 'AuthorID';
                $val = has_privs('article.edit') ? ps('AuthorID') : '';
                // do not allow to be set to an empty value
                if (!$val) {
                    $selected = array();
                }
                break;
                // change category1
            // change category1
            case 'changecategory1':
                $key = 'Category1';
                $val = ps('Category1');
                break;
                // change category2
            // change category2
            case 'changecategory2':
                $key = 'Category2';
                $val = ps('Category2');
                break;
                // change comments
            // change comments
            case 'changecomments':
                $key = 'Annotate';
                $val = (int) ps('Annotate');
                break;
                // change section
            // change section
            case 'changesection':
                $key = 'Section';
                $val = ps('Section');
                // do not allow to be set to an empty value
                if (!$val) {
                    $selected = array();
                }
                break;
                // change status
            // change status
            case 'changestatus':
                $key = 'Status';
                $val = ps('Status');
                if (!has_privs('article.publish') && $val >= 4) {
                    $val = 3;
                }
                // do not allow to be set to an empty value
                if (!$val) {
                    $selected = array();
                }
                break;
            default:
                $key = '';
                $val = '';
                break;
        }
        if ($selected and $key) {
            foreach ($selected as $id) {
                if (safe_update('textpattern', "{$key} = '" . doSlash($val) . "'", "ID = {$id}")) {
                    $ids[] = $id;
                }
            }
            $changed = join(', ', $ids);
        }
    }
    if ($changed) {
        update_lastmod();
        return list_list(messenger('article', $changed, $method == 'delete' ? 'deleted' : 'modified'));
    }
    return list_list();
}

function author_delete()
{
    $user_id = ps('user_id');
    $name = fetch('Realname', 'txp_users', 'user_id', $user_id);
    if ($name) {
        $rs = safe_delete("txp_users", "user_id = '{$user_id}'");
        if ($rs) {
            admin(messenger('author', $name, 'deleted'));
        }
    }
}

function file_delete()
{
    global $txpcfg, $file_base_path;
    extract($txpcfg);
    $id = ps('id');
    $rs = safe_row("*", "txp_file", "id='{$id}'");
    if ($rs) {
        extract($rs);
        $filepath = build_file_path($file_base_path, $filename);
        $rsd = safe_delete("txp_file", "id='{$id}'");
        $ul = false;
        if ($rsd && is_file($filepath)) {
            $ul = unlink($filepath);
        }
        if ($rsd && $ul) {
            file_list(messenger(gTxt('file'), $filename, gTxt('deleted')));
            return;
        } else {
            file_list(messenger(gTxt('file_delete_failed'), $filename, ''));
        }
    } else {
        file_list(messenger(gTxt('file_not_found'), $filename, ''));
    }
}

function css_delete()
{
    $name = ps('name');
    if ($name != 'default') {
        safe_delete("txp_css", "name = '{$name}'");
        css_edit(messenger('css', $name, 'deleted'));
    } else {
        echo gTxt('cannot_delete_default_css') . '.';
    }
}

//.........这里部分代码省略.........
    $changed = false;
    $ids = array();
    $key = '';
    if ($method == 'delete') {
        if (!has_privs('article.delete')) {
            $allowed = array();
            if (has_privs('article.delete.own')) {
                $allowed = safe_column_num('ID', 'textpattern', 'ID in(' . join(',', $selected) . ') and AuthorID=\'' . doSlash($txp_user) . '\'');
            }
            $selected = $allowed;
        }
        foreach ($selected as $id) {
            if (safe_delete('textpattern', "ID = {$id}")) {
                $ids[] = $id;
            }
        }
        $changed = join(', ', $ids);
        if ($changed) {
            safe_update('txp_discuss', "visible = " . MODERATE, "parentid in({$changed})");
            callback_event('articles_deleted', '', 0, $ids);
        }
    } else {
        $selected = safe_rows('ID, AuthorID, Status', 'textpattern', 'ID in (' . implode(',', $selected) . ')');
        $allowed = array();
        foreach ($selected as $item) {
            if ($item['Status'] >= STATUS_LIVE and has_privs('article.edit.published') or $item['Status'] >= STATUS_LIVE and $item['AuthorID'] == $txp_user and has_privs('article.edit.own.published') or $item['Status'] < STATUS_LIVE and has_privs('article.edit') or $item['Status'] < STATUS_LIVE and $item['AuthorID'] == $txp_user and has_privs('article.edit.own')) {
                $allowed[] = $item['ID'];
            }
        }
        $selected = $allowed;
        unset($allowed);
        switch ($method) {
            // change author
            case 'changeauthor':
                $val = has_privs('article.edit') ? ps('AuthorID') : '';
                if (in_array($val, $all_authors)) {
                    $key = 'AuthorID';
                }
                break;
                // change category1
            // change category1
            case 'changecategory1':
                $val = ps('Category1');
                if (in_array($val, $categories)) {
                    $key = 'Category1';
                }
                break;
                // change category2
            // change category2
            case 'changecategory2':
                $val = ps('Category2');
                if (in_array($val, $categories)) {
                    $key = 'Category2';
                }
                break;
                // change comments
            // change comments
            case 'changecomments':
                $key = 'Annotate';
                $val = (int) ps('Annotate');
                break;
                // change section
            // change section
            case 'changesection':
                $val = ps('Section');
                if (in_array($val, $all_sections)) {
                    $key = 'Section';
                }
                break;
                // change status
            // change status
            case 'changestatus':
                $val = (int) ps('Status');
                if (array_key_exists($val, $statuses)) {
                    $key = 'Status';
                }
                if (!has_privs('article.publish') && $val >= STATUS_LIVE) {
                    $val = STATUS_PENDING;
                }
                break;
            default:
                $key = '';
                $val = '';
                break;
        }
        if ($selected and $key) {
            foreach ($selected as $id) {
                if (safe_update('textpattern', "{$key} = '" . doSlash($val) . "'", "ID = {$id}")) {
                    $ids[] = $id;
                }
            }
            $changed = join(', ', $ids);
        }
    }
    if ($changed) {
        update_lastmod();
        return list_list(messenger('article', $changed, $method == 'delete' ? 'deleted' : 'modified'));
    }
    return list_list();
}

function discuss_multi_edit()
{
    $selected = ps('selected');
    if ($selected) {
        // Get all articles for which we have to update the count
        foreach ($selected as $id) {
            $to_delete[] = intval($id);
        }
        $parentids = safe_rows("DISTINCT parentid", "txp_discuss", "discussid IN (" . implode(',', $to_delete) . ")");
        foreach ($parentids as $key => $value) {
            $parentids[$key] = $value['parentid'];
        }
        // Delete and if succesful update commnet count
        $deleted = event_multi_edit('txp_discuss', 'discussid');
        if (!empty($deleted)) {
            // might as well clean up all comment counts while we're here.
            clean_comment_counts($parentids);
            return discuss_list(messenger('comment', $deleted, 'deleted'));
        }
    }
    return discuss_list();
}

function product_multi_edit()
{
    global $txp_user;
    $selected = ps('selected');
    if (!$selected) {
        return products_list();
    }
    $method = ps('edit_method');
    $changed = false;
    $ids = array();
    if ($method == 'delete') {
        if (!has_privs('article.delete')) {
            $allowed = array();
            if (has_privs('article.delete.own')) {
                foreach ($selected as $id) {
                    $id = assert_int($id);
                    $author = safe_field('AuthorID', 'textpattern', "ID = {$id}");
                    if ($author == $txp_user) {
                        $allowed[] = $id;
                    }
                }
            }
            $selected = $allowed;
        }
        foreach ($selected as $id) {
            $id = assert_int($id);
            if (safe_delete('textpattern', "ID = {$id}")) {
                $ids[] = $id;
            }
        }
        $changed = join(', ', $ids);
    }
    if ($changed) {
        return products_list(messenger('Product', $changed, $method == 'delete' ? 'deleted' : 'modified'));
    }
    return products_list();
}

function event_category_save($evname, $table_name)
{
    global $txpcfg;
    //Prevent non url chars on category names
    include_once $txpcfg['txpath'] . '/lib/classTextile.php';
    $textile = new Textile();
    $in = psa(array('id', 'name', 'old_name', 'parent', 'title'));
    extract(doSlash($in));
    $title = $textile->TextileThis($title, 1);
    $name = dumbDown($textile->TextileThis($name, 1));
    $name = preg_replace("/[^[:alnum:]\\-_]/", "", str_replace(" ", "-", $name));
    $parent = $parent ? $parent : 'root';
    safe_update("txp_category", "name='{$name}',parent='{$parent}',title='{$title}'", "id={$id}");
    rebuild_tree('root', 1, $evname);
    if ($evname == 'article') {
        safe_update("textpattern", "Category1='{$name}'", "Category1 = '{$old_name}'");
        safe_update("textpattern", "Category2='{$name}'", "Category2 = '{$old_name}'");
    } else {
        safe_update($table_name, "category='{$name}'", "category='{$old_name}'");
    }
    category_list(messenger($evname . '_category', stripslashes($name), 'saved'));
}

function form_save()
{
    global $vars;
    extract(doSlash(gpsa($vars)));
    if ($savenew) {
        if (safe_insert("txp_form", "Form='{$Form}', type='{$type}', name='{$name}'")) {
            form_edit(messenger('form', $name, 'created'));
        } else {
            form_edit(messenger('form', $name, 'already_exists'));
        }
    } else {
        safe_update("txp_form", "Form='{$Form}',type='{$type}',name='{$name}'", "name='{$oldname}'");
        form_edit(messenger('form', $name, 'updated'));
    }
}

 function permlinks_multi_edit()
 {
     $method = gps('edit_method') ? gps('edit_method') : gps('method');
     // Up to Txp 4.0.3
     switch ($method) {
         case 'delete':
             foreach (gps('selected') as $id) {
                 $deleted[] = $this->parent->remove_permlink($id);
             }
             break;
     }
     $this->parent->message = isset($deleted) && is_array($deleted) && count($deleted) ? messenger('', join(', ', $deleted), 'deleted') : messenger('an error occurred', '', '');
 }

 function thumbnail_create_post()
 {
     $id = $this->psi('id');
     extract(doSlash(gpsa(array('thumbnail_clear_settings', 'thumbnail_delete', 'width', 'height', 'crop'))));
     if ($thumbnail_clear_settings) {
         $message = $this->thumbnail_clear_settings($id);
     } elseif ($thumbnail_delete) {
         $message = $this->thumbnail_delete($id);
     } else {
         $width = (int) $width;
         $height = (int) $height;
         if ($width != 0 || $height != 0) {
             if (img_makethumb($id, $width, $height, $crop)) {
                 global $prefs;
                 if ($width == 0) {
                     $width = '';
                 }
                 if ($height == 0) {
                     $height = '';
                 }
                 $prefs['thumb_w'] = $width;
                 $prefs['thumb_h'] = $height;
                 $prefs['thumb_crop'] = $crop;
                 // hidden prefs
                 set_pref('thumb_w', $width, 'image', 2);
                 set_pref('thumb_h', $height, 'image', 2);
                 set_pref('thumb_crop', $crop, 'image', 2);
                 update_lastmod();
                 $message = gTxt('thumbnail_saved', array('{id}' => $id));
             } else {
                 $message = gTxt('thumbnail_not_saved', array('{id}' => $id));
             }
         } else {
             $message = messenger('invalid_width_or_height', "({$width})/({$height})", '');
         }
     }
     $this->_message($message);
     $this->_set_view('edit', $id);
 }

function link_multi_edit()
{
    $method = ps('method');
    $things = ps('selected');
    if ($things) {
        if ($method == 'delete') {
            foreach ($things as $id) {
                if (safe_delete('txp_link', "id='{$id}'")) {
                    $ids[] = $id;
                }
            }
            link_edit(messenger('link', join(', ', $ids), 'deleted'));
        } else {
            link_edit();
        }
    } else {
        link_edit();
    }
}

function div_save()
{
    extract(gpsa(array('html_array', 'html', 'start_pos', 'stop_pos', 'name')));
    $html_array = unserialize($html_array);
    $repl_array = preg_split("/(<.*>)/U", $html, -1, PREG_SPLIT_DELIM_CAPTURE);
    array_splice($html_array, $start_pos, $stop_pos - $start_pos + 1, $repl_array);
    $html = doSlash(join('', $html_array));
    safe_update("txp_page", "user_html='{$html}'", "name='{$name}'");
    page_edit(messenger('page', $name, 'updated'));
    #		print_r($html_array);
}

function discuss_multi_edit()
{
    //FIXME, this method needs some refactoring
    $selected = ps('selected');
    $method = ps('method');
    $done = array();
    if ($selected) {
        // Get all articles for which we have to update the count
        foreach ($selected as $id) {
            $ids[] = "'" . intval($id) . "'";
        }
        $parentids = safe_column("DISTINCT parentid", "txp_discuss", "discussid IN (" . implode(',', $ids) . ")");
        $rs = safe_rows_start('*', 'txp_discuss', "discussid IN (" . implode(',', $ids) . ")");
        while ($row = nextRow($rs)) {
            extract($row);
            $id = intval($discussid);
            $parentids[] = $parentid;
            if ($method == 'delete') {
                // Delete and if succesful update commnet count
                if (safe_delete('txp_discuss', "discussid='{$id}'")) {
                    $done[] = $id;
                }
            } elseif ($method == 'ban') {
                // Ban the IP and hide all messages by that IP
                if (!safe_field('ip', 'txp_discuss_ipban', "ip='" . doSlash($ip) . "'")) {
                    safe_insert("txp_discuss_ipban", "ip = '" . doSlash($ip) . "',\n\t\t\t\t\t\t\tname_used = '" . doSlash($name) . "',\n\t\t\t\t\t\t\tbanned_on_message = '" . doSlash($discussid) . "',\n\t\t\t\t\t\t\tdate_banned = now()\n\t\t\t\t\t\t");
                    safe_update('txp_discuss', "visible = " . SPAM, "ip='" . doSlash($ip) . "'");
                }
                $done[] = $id;
            } elseif ($method == 'spam') {
                if (safe_update('txp_discuss', "visible = " . SPAM, "discussid = {$id}")) {
                    $done[] = $id;
                }
            } elseif ($method == 'unmoderated') {
                if (safe_update('txp_discuss', "visible = " . MODERATE, "discussid = {$id}")) {
                    $done[] = $id;
                }
            } elseif ($method == 'visible') {
                if (safe_update('txp_discuss', "visible = " . VISIBLE, "discussid = {$id}")) {
                    $done[] = $id;
                }
            }
        }
        $done = join(', ', $done);
        if (!empty($done)) {
            // might as well clean up all comment counts while we're here.
            clean_comment_counts($parentids);
            $messages = array('delete' => messenger('comment', $done, 'deleted'), 'ban' => messenger('comment', $done, 'banned'), 'spam' => gTxt('comment') . ' ' . strong($done) . ' ' . gTxt('marked_as') . ' ' . gTxt('spam'), 'unmoderated' => gTxt('comment') . ' ' . strong($done) . ' ' . gTxt('marked_as') . ' ' . gTxt('unmoderated'), 'visible' => gTxt('comment') . ' ' . strong($done) . ' ' . gTxt('marked_as') . ' ' . gTxt('visible'));
            return discuss_list($messages[$method]);
        }
    }
    return discuss_list();
}

function discuss_multi_edit()
{
    $method = ps('method');
    $things = ps('selected');
    if ($things) {
        if ($method == 'delete') {
            foreach ($things as $discussid) {
                if (safe_delete('txp_discuss', "discussid='{$discussid}'")) {
                    $ids[] = $id;
                }
            }
            discuss_list(messenger('comment', join(', ', $ids), 'deleted'));
        } else {
            discuss_list();
        }
    } else {
        discuss_list();
    }
}