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+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Base class for administrative forms
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category Widget
+ * @package StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @copyright 2009 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+ exit(1);
+}
+
+/**
+ * Base class for Administrative forms
+ *
+ * Just a place holder for some utility methods to simply some
+ * repetitive form building code
+ *
+ * @category Widget
+ * @package StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ *
+ * @see Form
+ */
+
+class AdminForm extends Form
+{
+ /**
+ * Utility to simplify some of the duplicated code around
+ * params and settings.
+ *
+ * @param string $setting Name of the setting
+ * @param string $title Title to use for the input
+ * @param string $instructions Instructions for this field
+ * @param string $section config section, default = 'site'
+ *
+ * @return void
+ */
+
+ function input($setting, $title, $instructions, $section='site')
+ {
+ $this->out->input($setting, $title, $this->value($setting, $section), $instructions);
+ }
+
+ /**
+ * Utility to simplify getting the posted-or-stored setting value
+ *
+ * @param string $setting Name of the setting
+ * @param string $main configuration section, default = 'site'
+ *
+ * @return string param value if posted, or current config value
+ */
+
+ function value($setting, $main='site')
+ {
+ $value = $this->out->trimmed($setting);
+ if (empty($value)) {
+ $value = common_config($main, $setting);
+ }
+ return $value;
+ }
+
+}