Index: nodetype.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/nodetype/nodetype.module,v
retrieving revision 1.1
diff -u -r1.1 nodetype.module
--- nodetype.module	3 Feb 2007 14:27:05 -0000	1.1
+++ nodetype.module	15 Jul 2007 19:05:53 -0000
@@ -1,6 +1,54 @@
 <?php
 // $Id: nodetype.module,v 1.1 2007/02/03 14:27:05 timcn Exp $
 
+/**
+* @file
+* Lets users change content types of the nodes.
+*
+* Lets users change content types. Administrators can define which nodes can be converted one to another.
+*/
+
+/**
+* Implementation of hook_menu().
+*/
+function nodetype_menu($may_cache) {
+  $items = array();
+  if ($may_cache) {
+    $items[] = array(
+	  'path' => 'admin/settings/nodetype',
+	  'title' => t('Nodetype'),
+	  'description' => t('Nodetype change restrictions by content type'),
+	  'callback' => 'drupal_get_form',
+	  'callback arguments' => array('nodetype_admin_settings'),
+	  'access' => user_access('administer site configuration')
+	  );
+  }
+  return $items;
+}
+
+/**
+* Define the settings form.
+*/
+function nodetype_admin_settings() {
+$types = node_get_types();
+	foreach ($types as $type => $info) {
+	$opt_types = node_get_types('names');
+	unset($opt_types[$type]);
+	    $form[$type] = array(
+		    '#type' => 'fieldset',
+			'#title' => t('')
+		);
+		$form[$type][$type.'_nodetype_nodetypes'] = array(
+		    '#type' => 'checkboxes',
+			'#title' => t($info->name.' node types can be converted to'),
+			'#options' => $opt_types,
+			'#default_value' => variable_get($type.'_nodetype_nodetypes', ''),
+			'#description' => t($type.' node type setting.'),
+		);
+		$form[$type]['array_filter'] = array('#type' => 'hidden');
+	}
+return system_settings_form($form);
+}
 
 /**
  * Implementation of hook_perm().
@@ -30,25 +78,25 @@
  */
 function nodetype_form_alter($form_id, &$form) {
   if (isset($form['type']) && $form['type']['#value'] .'_node_form' == $form_id && isset($form['#node']->nid) && user_access('change node types')) {
-    $types = node_get_types();
-
+    $types = node_get_types('names');
     foreach ($types as $type => $info) {
       if ($form['type']['#value'] == $type) {
-        $current_type = $types[$type];
-        unset($types[$type]);
+  	  $enabled_types = variable_get($type . '_nodetype_nodetypes', array(''));
       }
-      else {
-        $types[$type] = $info->name;
       }
+	if ($enabled_types[0] != '') {
+		foreach ($enabled_types as $name) {
+		$opt_types[$name] = $types[$name];
     }
 
     $form['nodetype'] = array(
       '#type' => 'select',
       '#title' => t('Content type'),
       '#description' => t('Select a new content type that this post will be changed to. Only do that if you know what you are doing.'),
-      '#options' => array(0 => '<'. t('leave as is: @type', array('@type' => $current_type->name)) .'>') + $types,
+	      '#options' => $opt_types,
       '#default_value' => 0,
       '#weight' => 10,
     );
   }
 }
+}