Fixed issue 4, with fine control over the tabs access.

For each tab, at the exception of the project home and the
administration area, it possible to control the access rights if the
user is anonymous, signed in, member or owner.

src/IDF/Form/TabsConf.php

@@ -0,0 +1,57 @@
+<?php
+/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+# ***** BEGIN LICENSE BLOCK *****
+# This file is part of InDefero, an open source project management application.
+# Copyright (C) 2008 Céondo Ltd and contributors.
+#
+# InDefero is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# InDefero 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+# ***** END LICENSE BLOCK ***** */
+
+
+/**
+ * Configuration of the tabs access.
+ */
+class IDF_Form_TabsConf extends Pluf_Form
+{
+    public $conf = null;
+    public function initFields($extra=array())
+    {
+        $this->conf = $extra['conf'];
+        $ak = array('downloads_access_rights' => __('Downloads'),
+                    'source_access_rights' => __('Source'),
+                    'issues_access_rights' => __('Issues'),);
+        foreach ($ak as $key=>$label) {
+            $this->fields[$key] = new Pluf_Form_Field_Varchar(
+                                      array('required' => true,
+                                            'label' => $label,
+                                            'initial' => $this->conf->getVal($key, 'all'),
+                                            'widget_attrs' => array('choices' => 
+                                          array(
+                                                __('Open to all') => 'all',
+                                                __('Signed in users') => 'login',
+                                                __('Project members') => 'members',
+                                                __('Project owners') => 'owners',
+                                                __('Closed') => 'none',
+                                                )
+                                                                    ),
+                                            'widget' => 'Pluf_Form_Widget_SelectInput',
+                                            ));
+        }
+    }
+}
+
+