From 7c5cb7e04bc26e1a8971bb7e50a5791db8a0cfd9 Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Sun, 21 Aug 2011 13:47:45 +0000
Subject: [PATCH] validator for checkbox, not yet tested because of missing
 clientside

---
 .../class.etemplate_widget_checkbox.inc.php   | 88 +++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 etemplate/inc/class.etemplate_widget_checkbox.inc.php

diff --git a/etemplate/inc/class.etemplate_widget_checkbox.inc.php b/etemplate/inc/class.etemplate_widget_checkbox.inc.php
new file mode 100644
index 0000000000..f16ebc1c1a
--- /dev/null
+++ b/etemplate/inc/class.etemplate_widget_checkbox.inc.php
@@ -0,0 +1,88 @@
+<?php
+/**
+ * EGroupware - eTemplate serverside checkbox widget
+ *
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package etemplate
+ * @subpackage api
+ * @link http://www.egroupware.org
+ * @author Ralf Becker <RalfBecker@outdoor-training.de>
+ * @copyright 2002-11 by RalfBecker@outdoor-training.de
+ * @version $Id$
+ */
+
+/**
+ * eTemplate checkbox widget
+ *
+ * Multiple checkbox widgets can have the same name ending in [], in which case an array with the set_val's of the checked boxes get returned.
+ */
+class etemplate_widget_button extends etemplate_widget
+{
+	/**
+	 * (Array of) comma-separated list of legacy options to automatically replace when parsing with set_attrs
+	 *
+	 * @var string|array
+	 */
+	protected $legacy_options = 'set_val,unset_val,ro_true,ro_false';
+
+	/**
+	 * Validate input
+	 *
+	 * In case of multiple checkboxes using the same name ending in [], each widget only validates it's own value!
+	 *
+	 * @param string $cname current namespace
+	 * @param array $content
+	 * @param array &$validated=array() validated content
+	 * @return boolean true if no validation error, false otherwise
+	 */
+	public function validate($cname, array $content, &$validated=array())
+	{
+		$form_name = self::form_name($cname, $this->id);
+
+		if (($multiple = substr($form_name, -2) == '[]'))
+		{
+			$form_name = substr($form_name, 0, -2);
+		}
+
+		if (!$this->is_readonly($cname))
+		{
+			$value = self::get_array($content, $form_name);
+			$valid =& self::get_array($validated, $form_name, true);
+
+			if (!$value && $this->attrs['needed'])
+			{
+				self::set_validation_error($form_name,lang('Field must not be empty !!!'),'');
+			}
+			// defaults for set and unset values
+			if (!$this->attrs['set_val'] && !$this->attrs['unset_val'])
+			{
+				$this->attrs['set_val'] = true;
+				$this->attrs['unset_val'] = false;
+			}
+			if (in_array((string)$this->attrs['set_value'], (array)$value))
+			{
+				if ($multiple)
+				{
+					if (!isset($valid)) $valid = array();
+					$valid[] = $this->attrs['set_val'];
+				}
+				else
+				{
+					$valid = $this->attrs['set_val'];
+				}
+			}
+			else	// if checkbox is not checked, html returns nothing: eTemplate returns unset_val (default false)
+			{
+				if ($multiple)
+				{
+					if (!isset($valid)) $valid = array();
+				}
+				else
+				{
+					$valid = $this->attrs['unset_val'];
+				}
+			}
+			error_log(__METHOD__.'() '.$form_name.($multiple?'[]':'').': '.array2string($value).' --> '.array2string($valid));
+		}
+	}
+}