Standardized files.

git-svn-id: http://code.elgg.org/elgg/trunk@3549 36083f99-b078-4883-b0ff-0f9b5a30f544

3 files changed, 727 insertions, 761 deletions

diff --git a/engine/lib/widgets.php b/engine/lib/widgets.php
index 7adf5ffad..a450d6223 100644
--- a/engine/lib/widgets.php
+++ b/engine/lib/widgets.php
@@ -1,528 +1,506 @@
 <?php
+/**
+ * Elgg widgets library.
+ * Contains code for handling widgets.
+ *
+ * @package Elgg
+ * @subpackage Core
+ * @link http://elgg.org/
+ */
+
+/**
+ * Override ElggObject in order to store widget data in ultra-private stores.
+ */
+class ElggWidget extends ElggObject {
+	protected function initialise_attributes() {
+		parent::initialise_attributes();
+
+		$this->attributes['subtype'] = "widget";
+	}
 
-	/**
-	 * Elgg widgets library.
-	 * Contains code for handling widgets.
-	 *
-	 * @package Elgg
-	 * @subpackage Core
-
-
-	 * @link http://elgg.org/
-	 */
+	public function __construct($guid = null) {
+		parent::__construct($guid);
+	}
 
 	/**
-	 * Override ElggObject in order to store widget data in ultra-private stores.
+	 * Override entity get and sets in order to save data to private data store.
 	 */
-	class ElggWidget extends ElggObject
-	{
-		protected function initialise_attributes()
-		{
-			parent::initialise_attributes();
-
-			$this->attributes['subtype'] = "widget";
+	public function get($name) {
+		// See if its in our base attribute
+		if (isset($this->attributes[$name])) {
+			return $this->attributes[$name];
 		}
 
-		public function __construct($guid = null) {	parent::__construct($guid); }
-
-		/**
-		 * Override entity get and sets in order to save data to private data store.
-		 */
-		public function get($name)
-		{
-			// See if its in our base attribute
-			if (isset($this->attributes[$name])) {
-				return $this->attributes[$name];
-			}
-
-			// No, so see if its in the private data store.
-			$meta = get_private_setting($this->guid, $name);
-			if ($meta)
-				return $meta;
-
-			// Can't find it, so return null
-			return null;
+		// No, so see if its in the private data store.
+		$meta = get_private_setting($this->guid, $name);
+		if ($meta) {
+			return $meta;
 		}
 
-		/**
-		 * Override entity get and sets in order to save data to private data store.
-		 */
-		public function set($name, $value)
-		{
-			if (array_key_exists($name, $this->attributes))
-			{
-				// Check that we're not trying to change the guid!
-				if ((array_key_exists('guid', $this->attributes)) && ($name=='guid'))
-					return false;
-
-				$this->attributes[$name] = $value;
-			}
-			else
-				return set_private_setting($this->guid, $name, $value);
-
-			return true;
-		}
+		// Can't find it, so return null
+		return null;
 	}
 
 	/**
-	 * Register a particular context for use with widgets.
-	 *
-	 * @param string $context The context we wish to enable context for
+	 * Override entity get and sets in order to save data to private data store.
 	 */
-		function use_widgets($context) {
-
-			global $CONFIG;
-			if (!isset($CONFIG->widgets))
-				$CONFIG->widgets = new stdClass;
-			if (!isset($CONFIG->widgets->contexts)) {
-				$CONFIG->widgets->contexts = array();
-			}
-			if (!empty($context)) {
-				$CONFIG->widgets->contexts[] = $context;
-			}
-
-		}
-
-	/**
-	 * Determines whether or not the current context is using widgets
-	 *
-	 * @return true|false Depending on widget status
-	 */
-		function using_widgets() {
-
-			global $CONFIG;
-			$context = get_context();
-			if (isset($CONFIG->widgets->contexts) && is_array($CONFIG->widgets->contexts)) {
-				if (in_array($context, $CONFIG->widgets->contexts)) return true;
+	public function set($name, $value) {
+		if (array_key_exists($name, $this->attributes)) {
+			// Check that we're not trying to change the guid!
+			if ((array_key_exists('guid', $this->attributes)) && ($name=='guid')) {
+				return false;
 			}
 
-			return false;
-
+			$this->attributes[$name] = $value;
+		} else {
+			return set_private_setting($this->guid, $name, $value);
 		}
 
-	/**
-	 * When given a widget entity and a new requested location, saves the new location
-	 * and also provides a sensible ordering for all widgets in that column
-	 *
-	 * @param ElggObject $widget The widget entity
-	 * @param int $order The order within the column
-	 * @param int $column The column (1, 2 or 3)
-	 * @return true|false Depending on success
-	 */
-		function save_widget_location(ElggObject $widget, $order, $column) {
-
-			if ($widget instanceof ElggObject) {
-				if ($widget->subtype == "widget") {
-
-					// If you can't move the widget, don't save a new location
-					if (!$widget->draggable)
-						return false;
-
-					// Sanitise the column value
-					if ($column != 1 || $column != 2 || $column != 3)
-						$column = 1;
-
-					$widget->column = (int) $column;
-
-					$ordertmp = array();
-
-					if ($entities = get_entities_from_metadata_multi(array(
-							'context' => $widget->context,
-							'column' => $column,
-							),'object','widget')) {
-						foreach($entities as $entity) {
-							$entityorder = $entity->order;
-							if ($entityorder < $order) {
-								$ordertmp[$entityorder] = $entity;
-							}
-							if ($entityorder >= $order) {
-								$ordertmp[$entityorder + 10000] = $entity;
-							}
-						}
-					}
-
-					$ordertmp[$order] = $widget;
-					ksort($ordertmp);
+		return true;
+	}
+}
+
+/**
+ * Register a particular context for use with widgets.
+ *
+ * @param string $context The context we wish to enable context for
+ */
+function use_widgets($context) {
+	global $CONFIG;
+
+	if (!isset($CONFIG->widgets)) {
+		$CONFIG->widgets = new stdClass;
+	}
 
-					$orderticker = 10;
-					foreach($ordertmp as $orderval => $entity) {
-						$entity->order = $orderticker;
-						$orderticker += 10;
-					}
+	if (!isset($CONFIG->widgets->contexts)) {
+		$CONFIG->widgets->contexts = array();
+	}
 
-					return true;
+	if (!empty($context)) {
+		$CONFIG->widgets->contexts[] = $context;
+	}
+}
+
+/**
+ * Determines whether or not the current context is using widgets
+ *
+ * @return true|false Depending on widget status
+ */
+function using_widgets() {
+	global $CONFIG;
+
+	$context = get_context();
+	if (isset($CONFIG->widgets->contexts) && is_array($CONFIG->widgets->contexts)) {
+		if (in_array($context, $CONFIG->widgets->contexts)) return true;
+	}
 
-				} else {
-					register_error($widget->subtype);
-				}
+	return false;
+}
+
+/**
+ * When given a widget entity and a new requested location, saves the new location
+ * and also provides a sensible ordering for all widgets in that column
+ *
+ * @param ElggObject $widget The widget entity
+ * @param int $order The order within the column
+ * @param int $column The column (1, 2 or 3)
+ * @return true|false Depending on success
+ */
+function save_widget_location(ElggObject $widget, $order, $column) {
+	if ($widget instanceof ElggObject) {
+		if ($widget->subtype == "widget") {
+			// If you can't move the widget, don't save a new location
+			if (!$widget->draggable) {
+				return false;
+			}
 
+			// Sanitise the column value
+			if ($column != 1 || $column != 2 || $column != 3) {
+				$column = 1;
 			}
 
-			return false;
+			$widget->column = (int) $column;
 
-		}
+			$ordertmp = array();
+			$params = array(
+				'context' => $widget->context,
+				'column' => $column,
+			);
 
-	/**
-	 * Get widgets for a particular context and column, in order of display
-	 *
-	 * @param int $user_guid The owner user GUID
-	 * @param string $context The context (profile, dashboard etc)
-	 * @param int $column The column (1 or 2)
-	 * @return array|false An array of widget ElggObjects, or false
-	 */
-		function get_widgets($user_guid, $context, $column) {
-
-			if ($widgets = get_entities_from_private_setting_multi(array(
-												'column' => $column,
-												'context' => $context), "object", "widget", $user_guid, "", 10000))
-			/*if ($widgets = get_user_objects_by_metadata($user_guid, "widget", array(
-												'column' => $column,
-												'context' => $context,
-																	), 10000)) {
-			*/
-			{
-
-				$widgetorder = array();
-				foreach($widgets as $widget) {
-					$order = $widget->order;
-					while(isset($widgetorder[$order])) {
-						$order++;
+			if ($entities = get_entities_from_metadata_multi($params,'object','widget')) {
+				foreach($entities as $entity) {
+					$entityorder = $entity->order;
+					if ($entityorder < $order) {
+						$ordertmp[$entityorder] = $entity;
+					}
+					if ($entityorder >= $order) {
+						$ordertmp[$entityorder + 10000] = $entity;
 					}
-					$widgetorder[$order] = $widget;
 				}
+			}
 
-				ksort($widgetorder);
-
-				return $widgetorder;
+			$ordertmp[$order] = $widget;
+			ksort($ordertmp);
 
+			$orderticker = 10;
+			foreach($ordertmp as $orderval => $entity) {
+				$entity->order = $orderticker;
+				$orderticker += 10;
 			}
 
-			return false;
-
+			return true;
+		} else {
+			register_error($widget->subtype);
 		}
 
-	/**
-	 * Displays a particular widget
-	 *
-	 * @param ElggObject $widget The widget to display
-	 * @return string The HTML for the widget, including JavaScript wrapper
-	 */
-		function display_widget(ElggObject $widget) {
-
-			return elgg_view_entity($widget);
+	}
 
+	return false;
+}
+
+/**
+ * Get widgets for a particular context and column, in order of display
+ *
+ * @param int $user_guid The owner user GUID
+ * @param string $context The context (profile, dashboard etc)
+ * @param int $column The column (1 or 2)
+ * @return array|false An array of widget ElggObjects, or false
+ */
+function get_widgets($user_guid, $context, $column) {
+	$params = array(
+		'column' => $column,
+		'context' => $context
+	);
+	$widgets = get_entities_from_private_setting_multi($params, "object", "widget", $user_guid, "", 10000);
+	if ($widgets) {
+		$widgetorder = array();
+		foreach($widgets as $widget) {
+			$order = $widget->order;
+			while(isset($widgetorder[$order])) {
+				$order++;
+			}
+			$widgetorder[$order] = $widget;
 		}
 
-	/**
-	 * Add a new widget
-	 *
-	 * @param int $user_guid User GUID to associate this widget with
-	 * @param string $handler The handler for this widget
-	 * @param string $context The page context for this widget
-	 * @param int $order The order to display this widget in
-	 * @param int $column The column to display this widget in (1, 2 or 3)
-	 * @param int $access_id If not specified, it is set to the default access level
-	 * @return true|false Depending on success
-	 */
-		function add_widget($user_guid, $handler, $context, $order = 0, $column = 1, $access_id = null) {
+		ksort($widgetorder);
 
-			if (empty($user_guid) || empty($context) || empty($handler) || !widget_type_exists($handler))
-				return false;
-
-			if ($user = get_user($user_guid)) {
+		return $widgetorder;
+	}
 
-				$widget = new ElggWidget;
-				$widget->owner_guid = $user_guid;
-				$widget->container_guid = $user_guid;
-				if (isset($access_id)) {
-					$widget->access_id = $access_id;
-				} else {
-					$widget->access_id = get_default_access();
-				}
+	return false;
+}
+
+/**
+ * Displays a particular widget
+ *
+ * @param ElggObject $widget The widget to display
+ * @return string The HTML for the widget, including JavaScript wrapper
+ */
+function display_widget(ElggObject $widget) {
+	return elgg_view_entity($widget);
+}
+
+/**
+ * Add a new widget
+ *
+ * @param int $user_guid User GUID to associate this widget with
+ * @param string $handler The handler for this widget
+ * @param string $context The page context for this widget
+ * @param int $order The order to display this widget in
+ * @param int $column The column to display this widget in (1, 2 or 3)
+ * @param int $access_id If not specified, it is set to the default access level
+ * @return true|false Depending on success
+ */
+function add_widget($user_guid, $handler, $context, $order = 0, $column = 1, $access_id = null) {
+	if (empty($user_guid) || empty($context) || empty($handler) || !widget_type_exists($handler)) {
+		return false;
+	}
 
-				if (!$widget->save())
-					return false;
+	if ($user = get_user($user_guid)) {
+		$widget = new ElggWidget;
+		$widget->owner_guid = $user_guid;
+		$widget->container_guid = $user_guid;
+		if (isset($access_id)) {
+			$widget->access_id = $access_id;
+		} else {
+			$widget->access_id = get_default_access();
+		}
 
-				$widget->handler = $handler;
-				$widget->context = $context;
-				$widget->column = $column;
-				$widget->order = $order;
+		if (!$widget->save()) {
+			return false;
+		}
 
-				// save_widget_location($widget, $order, $column);
-				return true;
+		$widget->handler = $handler;
+		$widget->context = $context;
+		$widget->column = $column;
+		$widget->order = $order;
 
-			}
+		// save_widget_location($widget, $order, $column);
+		return true;
 
-			return false;
+	}
 
+	return false;
+}
+
+/**
+ * Define a new widget type
+ *
+ * @param string $handler The identifier for the widget handler
+ * @param string $name The name of the widget type
+ * @param string $description A description for the widget type
+ * @param string $context A comma-separated list of contexts where this widget is allowed (default: 'all')
+ * @param true|false $multiple Whether or not multiple instances of this widget are allowed on a single dashboard (default: false)
+ * @param string $position A comma-separated list of positions on the page (side or main) where this widget is allowed (default: "side,main")
+ * @return true|false Depending on success
+ */
+
+function add_widget_type($handler, $name, $description, $context = "all", $multiple = false, $positions = "side,main") {
+	if (!empty($handler) && !empty($name)) {
+		global $CONFIG;
+
+		if (!isset($CONFIG->widgets)) {
+			$CONFIG->widgets = new stdClass;
 		}
 
-	/**
-	 * Define a new widget type
-	 *
-	 * @param string $handler The identifier for the widget handler
-	 * @param string $name The name of the widget type
-	 * @param string $description A description for the widget type
-	 * @param string $context A comma-separated list of contexts where this widget is allowed (default: 'all')
-	 * @param true|false $multiple Whether or not multiple instances of this widget are allowed on a single dashboard (default: false)
-	 * @param string $position A comma-separated list of positions on the page (side or main) where this widget is allowed (default: "side,main")
-	 * @return true|false Depending on success
-	 */
+		if (!isset($CONFIG->widgets->handlers)) {
+			$CONFIG->widgets->handlers = array();
+		}
 
-		function add_widget_type($handler, $name, $description, $context = "all", $multiple = false, $positions = "side,main") {
+		$handlerobj = new stdClass;
+		$handlerobj->name = $name;
+		$handlerobj->description = $description;
+		$handlerobj->context = explode(",",$context);
+		$handlerobj->multiple = $multiple;
+		$handlerobj->positions = explode(",",$positions);
 
-			if (!empty($handler) && !empty($name)) {
+		$CONFIG->widgets->handlers[$handler] = $handlerobj;
 
-				global $CONFIG;
+		return true;
+	}
 
-				if (!isset($CONFIG->widgets))
-					$CONFIG->widgets = new stdClass;
+	return false;
+}
+
+/**
+ * Determines whether or not widgets with the specified handler have been defined
+ *
+ * @param string $handler The widget handler identifying string
+ * @return true|false Whether or not those widgets exist
+ */
+function widget_type_exists($handler) {
+	global $CONFIG;
+
+	if (!empty($CONFIG->widgets)
+		&& !empty($CONFIG->widgets->handlers)
+		&& is_array($CONFIG->widgets->handlers)
+		&& array_key_exists($handler, $CONFIG->widgets->handlers)) {
+			return true;
+	}
 
-				if (!isset($CONFIG->widgets->handlers))
-					$CONFIG->widgets->handlers = array();
+	return false;
+}
 
-				$handlerobj = new stdClass;
-				$handlerobj->name = $name;
-				$handlerobj->description = $description;
-				$handlerobj->context = explode(",",$context);
-				$handlerobj->multiple = $multiple;
-				$handlerobj->positions = explode(",",$positions);
+/**
+ * Returns an array of stdClass objects representing the defined widget types
+ *
+ * @return array A list of types defined (if any)
+ */
+function get_widget_types() {
+	global $CONFIG;
 
-				$CONFIG->widgets->handlers[$handler] = $handlerobj;
+	if (!empty($CONFIG->widgets)
+		&& !empty($CONFIG->widgets->handlers)
+		&& is_array($CONFIG->widgets->handlers)) {
 
-				return true;
+			$context = get_context();
 
+			foreach($CONFIG->widgets->handlers as $key => $handler) {
+				if (!in_array('all',$handler->context) &&
+					!in_array($context,$handler->context)) {
+						unset($CONFIG->widgets->handlers[$key]);
+				}
 			}
 
-			return false;
-
+			return $CONFIG->widgets->handlers;
 		}
 
-	/**
-	 * Determines whether or not widgets with the specified handler have been defined
-	 *
-	 * @param string $handler The widget handler identifying string
-	 * @return true|false Whether or not those widgets exist
-	 */
-		function widget_type_exists($handler) {
+	return array();
+}
 
-			global $CONFIG;
-			if (!empty($CONFIG->widgets)
-				&& !empty($CONFIG->widgets->handlers)
-				&& is_array($CONFIG->widgets->handlers)
-				&& array_key_exists($handler, $CONFIG->widgets->handlers))
-					return true;
+/**
+ * Saves a widget's settings (by passing an array of (name => value) pairs to save_{$handler}_widget)
+ *
+ * @param int $widget_guid The GUID of the widget we're saving to
+ * @param array $params An array of name => value parameters
+ */
+function save_widget_info($widget_guid, $params) {
+	if ($widget = get_entity($widget_guid)) {
 
-			return false;
+		$subtype = $widget->getSubtype();
 
+		if ($subtype != "widget") {
+			return false;
+		}
+		$handler = $widget->handler;
+		if (empty($handler) || !widget_type_exists($handler)) {
+			return false;
 		}
 
-	/**
-	 * Returns an array of stdClass objects representing the defined widget types
-	 *
-	 * @return array A list of types defined (if any)
-	 */
-		function get_widget_types() {
-
-			global $CONFIG;
-			if (!empty($CONFIG->widgets)
-				&& !empty($CONFIG->widgets->handlers)
-				&& is_array($CONFIG->widgets->handlers)) {
+		if (!$widget->canEdit()) {
+			return false;
+		}
 
-					$context = get_context();
+		// Save the params to the widget
+		if (is_array($params) && sizeof($params) > 0) {
+			foreach($params as $name => $value) {
 
-					foreach($CONFIG->widgets->handlers as $key => $handler) {
-						if (!in_array('all',$handler->context) &&
-							!in_array($context,$handler->context)) {
-								unset($CONFIG->widgets->handlers[$key]);
-						}
+				if (!empty($name) && !in_array($name, array(
+					'guid','owner_guid','site_guid'
+				))) {
+					if (is_array($value)) {
+						// TODO: Handle arrays securely
+						$widget->setMetaData($name, $value, "", true);
+					} else {
+						$widget->$name = $value;
 					}
-
-					return $CONFIG->widgets->handlers;
-
 				}
-
-			return array();
-
+			}
+			$widget->save();
 		}
 
-	/**
-	 * Saves a widget's settings (by passing an array of (name => value) pairs to save_{$handler}_widget)
-	 *
-	 * @param int $widget_guid The GUID of the widget we're saving to
-	 * @param array $params An array of name => value parameters
-	 */
-		function save_widget_info($widget_guid, $params) {
-
-			if ($widget = get_entity($widget_guid)) {
+		$function = "save_{$handler}_widget";
+		if (is_callable($function)) {
+			return $function($params);
+		}
 
-				$subtype = $widget->getSubtype();
+		return true;
+	}
 
-				if ($subtype != "widget") return false;
-				$handler = $widget->handler;
-				if (empty($handler) || !widget_type_exists($handler)) return false;
+	return false;
+}
 
-				if (!$widget->canEdit()) return false;
+function reorder_widgets_from_panel($panelstring1, $panelstring2, $panelstring3, $context, $owner) {
+	$return = true;
 
-				// Save the params to the widget
-				if (is_array($params) && sizeof($params) > 0) {
-					foreach($params as $name => $value) {
+	$mainwidgets = explode('::',$panelstring1);
+	$sidewidgets = explode('::',$panelstring2);
+	$rightwidgets = explode('::',$panelstring3);
 
-						if (!empty($name) && !in_array($name,array(
-								'guid','owner_guid','site_guid'
-																	))) {
-							if (is_array($value))
-							{
-								// TODO: Handle arrays securely
-								$widget->setMetaData($name, $value, "", true);
-							}else
-								$widget->$name = $value;
-						}
-					}
-					$widget->save();
-				}
+	$handlers = array();
+	$guids = array();
 
-				$function = "save_{$handler}_widget";
-				if (is_callable($function)) {
-					return $function($params);
-				}
+	if (is_array($mainwidgets) && sizeof($mainwidgets) > 0) {
+		foreach($mainwidgets as $widget) {
 
-				return true;
+			$guid = (int) $widget;
 
+			if ("{$guid}" == "{$widget}") {
+				$guids[1][] = $widget;
+			} else {
+				$handlers[1][] = $widget;
 			}
-
-			return false;
-
 		}
+	}
+	if (is_array($sidewidgets) && sizeof($sidewidgets) > 0) {
+		foreach($sidewidgets as $widget) {
 
-		function reorder_widgets_from_panel($panelstring1, $panelstring2, $panelstring3, $context, $owner) {
-
-			$return = true;
-
-			$mainwidgets = explode('::',$panelstring1);
-			$sidewidgets = explode('::',$panelstring2);
-			$rightwidgets = explode('::',$panelstring3);
-
-			$handlers = array();
-			$guids = array();
+			$guid = (int) $widget;
 
-			if (is_array($mainwidgets) && sizeof($mainwidgets) > 0) {
-				foreach($mainwidgets as $widget) {
+			if ("{$guid}" == "{$widget}") {
+				$guids[2][] = $widget;
+			} else {
+				$handlers[2][] = $widget;
+			}
 
-					$guid = (int) $widget;
+		}
+	}
+	if (is_array($rightwidgets) && sizeof($rightwidgets) > 0) {
+		foreach($rightwidgets as $widget) {
 
-					if ("{$guid}" == "{$widget}") {
-						$guids[1][] = $widget;
-					} else {
-						$handlers[1][] = $widget;
-					}
+			$guid = (int) $widget;
 
-				}
+			if ("{$guid}" == "{$widget}") {
+				$guids[3][] = $widget;
+			} else {
+				$handlers[3][] = $widget;
 			}
-			if (is_array($sidewidgets) && sizeof($sidewidgets) > 0) {
-				foreach($sidewidgets as $widget) {
 
-					$guid = (int) $widget;
+		}
+	}
 
-					if ("{$guid}" == "{$widget}") {
-						$guids[2][] = $widget;
+	// Reorder existing widgets or delete ones that have vanished
+	foreach (array(1,2,3) as $column) {
+		if ($dbwidgets = get_widgets($owner,$context,$column)) {
+
+			foreach($dbwidgets as $dbwidget) {
+				if (in_array($dbwidget->getGUID(),$guids[1]) || in_array($dbwidget->getGUID(),$guids[2]) || in_array($dbwidget->getGUID(),$guids[3])) {
+					if (in_array($dbwidget->getGUID(),$guids[1])) {
+						$pos = array_search($dbwidget->getGUID(),$guids[1]);
+						$col = 1;
+					} else if (in_array($dbwidget->getGUID(),$guids[2])) {
+						$pos = array_search($dbwidget->getGUID(),$guids[2]);
+						$col = 2;
 					} else {
-						$handlers[2][] = $widget;
+						$pos = array_search($dbwidget->getGUID(),$guids[3]);
+						$col = 3;
 					}
-
-				}
-			}
-			if (is_array($rightwidgets) && sizeof($rightwidgets) > 0) {
-				foreach($rightwidgets as $widget) {
-
-					$guid = (int) $widget;
-
-					if ("{$guid}" == "{$widget}") {
-						$guids[3][] = $widget;
+					$pos = ($pos + 1) * 10;
+					$dbwidget->column = $col;
+					$dbwidget->order = $pos;
+				} else {
+					$dbguid = $dbwidget->getGUID();
+					if (!$dbwidget->delete()) {
+						$return = false;
 					} else {
-						$handlers[3][] = $widget;
+						// Remove state cookie
+						setcookie('widget' + $dbguid, null);
 					}
-
 				}
 			}
 
-			// Reorder existing widgets or delete ones that have vanished
-			foreach (array(1,2,3) as $column) {
-				if ($dbwidgets = get_widgets($owner,$context,$column)) {
-
-					foreach($dbwidgets as $dbwidget) {
-						if (in_array($dbwidget->getGUID(),$guids[1]) || in_array($dbwidget->getGUID(),$guids[2]) || in_array($dbwidget->getGUID(),$guids[3])) {
-							if (in_array($dbwidget->getGUID(),$guids[1])) {
-								$pos = array_search($dbwidget->getGUID(),$guids[1]);
-								$col = 1;
-							} else if (in_array($dbwidget->getGUID(),$guids[2])) {
-								$pos = array_search($dbwidget->getGUID(),$guids[2]);
-								$col = 2;
-							} else {
-								$pos = array_search($dbwidget->getGUID(),$guids[3]);
-								$col = 3;
-							}
-							$pos = ($pos + 1) * 10;
-							$dbwidget->column = $col;
-							$dbwidget->order = $pos;
-						} else {
-							$dbguid = $dbwidget->getGUID();
-							if (!$dbwidget->delete()) {
-								$return = false;
-							} else {
-								// Remove state cookie
-								setcookie('widget' + $dbguid, null);
-							}
-						}
-					}
-
-				}
-				// Add new ones
-				if (sizeof($guids[$column]) > 0) {
-					foreach($guids[$column] as $key => $guid) {
-						if ($guid == 0) {
-							$pos = ($key + 1) * 10;
-							$handler = $handlers[$column][$key];
-							if (!add_widget($owner,$handler,$context,$pos,$column))
-								$return = false;
-						}
+		}
+		// Add new ones
+		if (sizeof($guids[$column]) > 0) {
+			foreach($guids[$column] as $key => $guid) {
+				if ($guid == 0) {
+					$pos = ($key + 1) * 10;
+					$handler = $handlers[$column][$key];
+					if (!add_widget($owner,$handler,$context,$pos,$column)) {
+						$return = false;
 					}
 				}
 			}
-
-			return $return;
-
-		}
-
-		/**
-		 * Run some things once.
-		 *
-		 */
-		function widget_run_once()
-		{
-			// Register a class
-			add_subtype("object", "widget", "ElggWidget");
-		}
-
-	/**
-	 * Function to initialise widgets functionality on Elgg init
-	 *
-	 */
-		function widgets_init() {
-
-			register_action('widgets/reorder');
-			register_action('widgets/save');
-			register_action('widgets/add');
-
-			// Now run this stuff, but only once
-			run_function_once("widget_run_once");
 		}
+	}
 
-	// Register event
-		register_elgg_event_handler('init','system','widgets_init');
-
-	// Use widgets on the dashboard
-		use_widgets('dashboard');
-
-
-?>
\ No newline at end of file
+	return $return;
+}
+
+/**
+ * Run some things once.
+ *
+ */
+function widget_run_once() {
+	// Register a class
+	add_subtype("object", "widget", "ElggWidget");
+}
+
+/**
+ * Function to initialise widgets functionality on Elgg init
+ *
+ */
+function widgets_init() {
+	register_action('widgets/reorder');
+	register_action('widgets/save');
+	register_action('widgets/add');
+
+	// Now run this stuff, but only once
+	run_function_once("widget_run_once");
+}
+
+// Register event
+register_elgg_event_handler('init','system','widgets_init');
+
+// Use widgets on the dashboard
+use_widgets('dashboard');
\ No newline at end of file
diff --git a/engine/settings.example.php b/engine/settings.example.php
index 4fbc716a3..30d832456 100644
--- a/engine/settings.example.php
+++ b/engine/settings.example.php
@@ -1,129 +1,126 @@
 <?php
+/**
+ * Elgg settings
+ *
+ * Elgg manages most of its configuration from the admin panel. However, we need you to
+ * include your database settings below.
+ *
+ * @todo Turn this into something we handle more automatically.
+ */
 
-	/**
-	 * Elgg settings
-	 * 
-	 * Elgg manages most of its configuration from the admin panel. However, we need you to
-	 * include your database settings below.
-	 * 
-	 * @todo Turn this into something we handle more automatically. 
-	 */
-
-		global $CONFIG;
-		if (!isset($CONFIG))
-			$CONFIG = new stdClass;
-
-	/*
-	 * Standard configuration
-	 * 
-	 * You will use the same database connection for reads and writes.
-	 * This is the easiest configuration, and will suit 99.99% of setups. However, if you're
-	 * running a really popular site, you'll probably want to spread out your database connections
-	 * and implement database replication.  That's beyond the scope of this configuration file
-	 * to explain, but if you know you need it, skip past this section. 
-	 */
-		
-		// Database username
-			$CONFIG->dbuser = '{{CONFIG_DBUSER}}';
-			
-		// Database password
-			$CONFIG->dbpass = '{{CONFIG_DBPASS}}';
-
-		// Database name
-			$CONFIG->dbname = '{{CONFIG_DBNAME}}';
-			
-		// Database server
-		// (For most configurations, you can leave this as 'localhost')
-			$CONFIG->dbhost = '{{CONFIG_DBHOST}}';
-			
-		// Database table prefix
-		// If you're sharing a database with other applications, you will want to use this
-		// to differentiate Elgg's tables.
-			$CONFIG->dbprefix = '{{CONFIG_DBPREFIX}}';
-
-	/*
-	 * Multiple database connections
-	 * 
-	 * Here you can set up multiple connections for reads and writes. To do this, uncomment out
-	 * the lines below. 
-	 */
-			
-	/*
-
-		// Yes! We want to split reads and writes
-			$CONFIG->db->split = true;
-	 
-		// READS
-		// Database username
-			$CONFIG->db['read']->dbuser = "";
-			
-		// Database password
-			$CONFIG->db['read']->dbpass = "";
-
-		// Database name
-			$CONFIG->db['read']->dbname = "";
-			
-		// Database server
-		// (For most configurations, you can leave this as 'localhost')
-			$CONFIG->db['read']->dbhost = "localhost";
-
-		// WRITES
-		// Database username
-			$CONFIG->db['write']->dbuser = "";
-			
-		// Database password
-			$CONFIG->db['write']->dbpass = "";
-
-		// Database name
-			$CONFIG->db['write']->dbname = "";
-			
-		// Database server
-		// (For most configurations, you can leave this as 'localhost')
-			$CONFIG->db['write']->dbhost = "localhost";
-
-
-	 */
-			
-	/*
-	 * For extra connections for both reads and writes, you can turn both
-	 * $CONFIG->db['read'] and $CONFIG->db['write'] into an array, eg:
-	 * 
-	 * 	$CONFIG->db['read'][0]->dbhost = "localhost";
-	 * 
-	 * Note that the array keys must be numeric and consecutive, i.e., they start
-	 * at 0, the next one must be at 1, etc.
-	 */
-	 
-			
-	/**
-	 * Memcache setup (optional)
-	 * This is where you may optionally set up memcache.
-	 * 
-	 * Requirements: 
-	 * 	1) One or more memcache servers (http://www.danga.com/memcached/)
-	 *  2) PHP memcache wrapper (http://uk.php.net/manual/en/memcache.setup.php)
-	 * 
-	 * Note: Multiple server support is only available on server 1.2.1 or higher with PECL library > 2.0.0
-	 */
-	//$CONFIG->memcache = true;
-	//
-	//$CONFIG->memcache_servers = array (
-	//	array('server1', 11211),
-	//	array('server2', 11211)
-	//);		
-	
-	/**
-	 * Some work-around flags.
-	 */
-	
-	// Try uncommenting the below if your notification emails are not being sent
-	// $CONFIG->broken_mta = true; 
-			
-	/**
-	  * Url - I am not sure if this will be here ?
-	 **/
-	 
-	 // URL
-	    $CONFIG->url = "";
-			
-?>
\ No newline at end of file
+global $CONFIG;
+if (!isset($CONFIG)) {
+	$CONFIG = new stdClass;
+}
+
+/*
+ * Standard configuration
+ *
+ * You will use the same database connection for reads and writes.
+ * This is the easiest configuration, and will suit 99.99% of setups. However, if you're
+ * running a really popular site, you'll probably want to spread out your database connections
+ * and implement database replication.  That's beyond the scope of this configuration file
+ * to explain, but if you know you need it, skip past this section.
+ */
+
+// Database username
+$CONFIG->dbuser = '{{CONFIG_DBUSER}}';
+
+// Database password
+$CONFIG->dbpass = '{{CONFIG_DBPASS}}';
+
+// Database name
+$CONFIG->dbname = '{{CONFIG_DBNAME}}';
+
+// Database server
+// (For most configurations, you can leave this as 'localhost')
+$CONFIG->dbhost = '{{CONFIG_DBHOST}}';
+
+// Database table prefix
+// If you're sharing a database with other applications, you will want to use this
+// to differentiate Elgg's tables.
+$CONFIG->dbprefix = '{{CONFIG_DBPREFIX}}';
+
+/*
+ * Multiple database connections
+ *
+ * Here you can set up multiple connections for reads and writes. To do this, uncomment out
+ * the lines below.
+ */
+
+/*
+
+// Yes! We want to split reads and writes
+$CONFIG->db->split = true;
+
+// READS
+// Database username
+$CONFIG->db['read']->dbuser = "";
+
+// Database password
+$CONFIG->db['read']->dbpass = "";
+
+// Database name
+$CONFIG->db['read']->dbname = "";
+
+// Database server
+// (For most configurations, you can leave this as 'localhost')
+$CONFIG->db['read']->dbhost = "localhost";
+
+// WRITES
+// Database username
+$CONFIG->db['write']->dbuser = "";
+
+// Database password
+$CONFIG->db['write']->dbpass = "";
+
+// Database name
+$CONFIG->db['write']->dbname = "";
+
+// Database server
+// (For most configurations, you can leave this as 'localhost')
+$CONFIG->db['write']->dbhost = "localhost";
+
+ */
+
+/*
+ * For extra connections for both reads and writes, you can turn both
+ * $CONFIG->db['read'] and $CONFIG->db['write'] into an array, eg:
+ *
+ * 	$CONFIG->db['read'][0]->dbhost = "localhost";
+ *
+ * Note that the array keys must be numeric and consecutive, i.e., they start
+ * at 0, the next one must be at 1, etc.
+ */
+
+
+/**
+ * Memcache setup (optional)
+ * This is where you may optionally set up memcache.
+ *
+ * Requirements:
+ * 	1) One or more memcache servers (http://www.danga.com/memcached/)
+ *  2) PHP memcache wrapper (http://uk.php.net/manual/en/memcache.setup.php)
+ *
+ * Note: Multiple server support is only available on server 1.2.1 or higher with PECL library > 2.0.0
+ */
+//$CONFIG->memcache = true;
+//
+//$CONFIG->memcache_servers = array (
+//	array('server1', 11211),
+//	array('server2', 11211)
+//);
+
+/**
+ * Some work-around flags.
+ */
+
+// Try uncommenting the below if your notification emails are not being sent
+// $CONFIG->broken_mta = true;
+
+/**
+ * Url - I am not sure if this will be here ?
+ **/
+
+// URL
+$CONFIG->url = "";
\ No newline at end of file
diff --git a/engine/start.php b/engine/start.php
index 23a04cb60..b6699309b 100644
--- a/engine/start.php
+++ b/engine/start.php
@@ -1,219 +1,210 @@
 <?php
+/**
+ * Elgg engine bootstrapper
+ * Loads the various elements of the Elgg engine
+ *
+ * @package Elgg
+ * @subpackage Core
+ * @author Curverider Ltd
+ * @link http://elgg.org/
+ */
 
-	/**
-	 * Elgg engine bootstrapper
-	 * Loads the various elements of the Elgg engine
-	 * 
-	 * @package Elgg
-	 * @subpackage Core
+/*
+ * Basic profiling
+ */
+global $START_MICROTIME;
+$START_MICROTIME = microtime(true);
 
-	 * @author Curverider Ltd
+/**
+ * Load important prerequisites
+ */
 
-	 * @link http://elgg.org/
-	 */
+if (!include_once(dirname(__FILE__) . "/lib/exceptions.php")) {		// Exceptions
+	echo "Error in installation: could not load the Exceptions library.";
+	exit;
+}
 
-	/*
-	 * Basic profiling
-	 */
-	global $START_MICROTIME; 
-	$START_MICROTIME = microtime(true);
+if (!include_once(dirname(__FILE__) . "/lib/elgglib.php")) {		// Main Elgg library
+	echo "Elgg could not load its main library.";
+	exit;
+}
 
+if (!include_once(dirname(__FILE__) . "/lib/access.php")) {		// Access library
+	echo "Error in installation: could not load the Access library.";
+	exit;
+}
+
+if (!include_once(dirname(__FILE__) . "/lib/system_log.php")) {		// Logging library
+	echo "Error in installation: could not load the System Log library.";
+	exit;
+}
+
+if (!include_once(dirname(__FILE__) . "/lib/export.php")) {		// Export library
+	echo "Error in installation: could not load the Export library.";
+	exit;
+}
+
+if (!include_once(dirname(__FILE__) . "/lib/sessions.php")) {
+	echo ("Error in installation: Elgg could not load the Sessions library");
+	exit;
+}
+
+if (!include_once(dirname(__FILE__) . "/lib/languages.php")) {		// Languages library
+	echo "Error in installation: could not load the languages library.";
+	exit;
+}
+
+if (!include_once(dirname(__FILE__) . "/lib/input.php")) {		// Input library
+	echo "Error in installation: could not load the input library.";
+	exit;
+}
+
+if (!include_once(dirname(__FILE__) . "/lib/install.php")) {		// Installation library
+	echo "Error in installation: could not load the installation library.";
+	exit;
+}
+
+if (!include_once(dirname(__FILE__) . "/lib/cache.php")) {		// Installation library
+	echo "Error in installation: could not load the cache library.";
+	exit;
+}
+
+
+
+// Use fallback view until sanitised
+$oldview = get_input('view');
+set_input('view', 'failsafe');
+
+/**
+ * Set light mode default
+ */
+$lightmode = false;
+
+/**
+ * Establish handlers
+ */
+
+// Register the error handler
+set_error_handler('__elgg_php_error_handler');
+set_exception_handler('__elgg_php_exception_handler');
+
+/**
+ * If there are basic issues with the way the installation is formed, don't bother trying
+ * to load any more files
+ */
+// Begin portion for sanitised installs only
+if ($sanitised = sanitised()) {
 	/**
-	 * Load important prerequisites
-	 */
-		
-		if (!include_once(dirname(__FILE__) . "/lib/exceptions.php")) {		// Exceptions 
-			echo "Error in installation: could not load the Exceptions library.";
-			exit;
-		}
-		
-		if (!include_once(dirname(__FILE__) . "/lib/elgglib.php")) {		// Main Elgg library
-			echo "Elgg could not load its main library.";
-			exit;
-		}
-		
-		if (!include_once(dirname(__FILE__) . "/lib/access.php")) {		// Access library
-			echo "Error in installation: could not load the Access library.";
-			exit;
-		}
-	
-		if (!include_once(dirname(__FILE__) . "/lib/system_log.php")) {		// Logging library
-			echo "Error in installation: could not load the System Log library.";
-			exit;
-		}
-	
-		if (!include_once(dirname(__FILE__) . "/lib/export.php")) {		// Export library
-			echo "Error in installation: could not load the Export library.";
-			exit;
-		}
-		
-		if (!include_once(dirname(__FILE__) . "/lib/sessions.php")) {
-			echo ("Error in installation: Elgg could not load the Sessions library");
-			exit;
-		}
-		
-		if (!include_once(dirname(__FILE__) . "/lib/languages.php")) {		// Languages library
-			echo "Error in installation: could not load the languages library.";
-			exit;
-		}
-		
-		if (!include_once(dirname(__FILE__) . "/lib/input.php")) {		// Input library
-			echo "Error in installation: could not load the input library.";
-			exit;
-		}
-		
-		if (!include_once(dirname(__FILE__) . "/lib/install.php")) {		// Installation library
-			echo "Error in installation: could not load the installation library.";
-			exit;
-		}
-		
-		if (!include_once(dirname(__FILE__) . "/lib/cache.php")) {		// Installation library
-			echo "Error in installation: could not load the cache library.";
-			exit;
-		}
-		
-		
-		
-		// Use fallback view until sanitised
-		$oldview = get_input('view');
-		set_input('view', 'failsafe');
-		
-	/**
-	 * Set light mode default
+	 * Load the system settings
 	 */
-		$lightmode = false;
-		
+	if (!include_once(dirname(__FILE__) . "/settings.php")) {
+		throw new InstallationException("Elgg could not load the settings file.");
+	}
+
 	/**
-	 * Establish handlers
+	 * Load and initialise the database
 	 */
-		
-	// Register the error handler
-		set_error_handler('__elgg_php_error_handler');
-		set_exception_handler('__elgg_php_exception_handler');
-		
+	if (!include_once(dirname(__FILE__) . "/lib/database.php")) {
+		throw new InstallationException("Elgg could not load the main Elgg database library.");
+	}
+
 	/**
-	 * If there are basic issues with the way the installation is formed, don't bother trying
-	 * to load any more files
+	 * Load the remaining libraries from /lib/ in alphabetical order,
+	 * except for a few exceptions
 	 */
-		
-		if ($sanitised = sanitised()) {	// Begin portion for sanitised installs only
-	
-		 /**
-		 * Load the system settings
-		 */
-			
-			if (!include_once(dirname(__FILE__) . "/settings.php"))  		// Global settings
-				throw new InstallationException("Elgg could not load the settings file.");
-				
-		/**
-		 * Load and initialise the database
-		 */
-	
-			if (!include_once(dirname(__FILE__) . "/lib/database.php"))	// Database connection
-				throw new InstallationException("Elgg could not load the main Elgg database library.");
-				
-		/**
-		 * Load the remaining libraries from /lib/ in alphabetical order,
-		 * except for a few exceptions
-		 */
-			
-			if (!include_once(dirname(__FILE__) . "/lib/actions.php")) {
-				throw new InstallationException("Elgg could not load the Actions library");
-			}	
-
-				
-
-		// We don't want to load or reload these files
-	
-			$file_exceptions = array(
-										'.','..',
-										'.DS_Store',
-										'Thumbs.db',
-										'.svn',
-										'CVS','cvs',
-										'settings.php','settings.example.php','languages.php','exceptions.php','elgglib.php','access.php','database.php','actions.php','sessions.php'
-									);
-	
-		// Get the list of files to include, and alphabetically sort them
-	
-			$files = get_library_files(dirname(__FILE__) . "/lib",$file_exceptions);
-			asort($files);
-			
-		// Get config
-			global $CONFIG;
-	
-		// Include them
-			foreach($files as $file) {
-				if (isset($CONFIG->debug) && $CONFIG->debug) error_log("Loading $file..."); 
-				if (!include_once($file))
-					throw new InstallationException("Could not load {$file}");
-			}
-		
-		} else {	// End portion for sanitised installs only
-			
-			throw new InstallationException(elgg_echo('installation:error:configuration'));
-			
+	if (!include_once(dirname(__FILE__) . "/lib/actions.php")) {
+		throw new InstallationException("Elgg could not load the Actions library");
+	}
+
+	// We don't want to load or reload these files
+	$file_exceptions = array(
+		'.', '..', '.DS_Store', 'Thumbs.db', '.svn',
+		'CVS', 'cvs', 'settings.php', 'settings.example.php',
+		'languages.php', 'exceptions.php', 'elgglib.php', 'access.php',
+		'database.php', 'actions.php', 'sessions.php'
+	);
+
+	// Get the list of files to include, and alphabetically sort them
+	$files = get_library_files(dirname(__FILE__) . "/lib",$file_exceptions);
+	asort($files);
+
+	// Get config
+	global $CONFIG;
+
+	// Include them
+	foreach($files as $file) {
+		if (isset($CONFIG->debug) && $CONFIG->debug) {
+			error_log("Loading $file...");
+		}
+		if (!include_once($file)) {
+			throw new InstallationException("Could not load {$file}");
 		}
-		
-		// Autodetect some default configuration settings
-			set_default_config();
-	
-		// Trigger events
-			trigger_elgg_event('boot', 'system');
-			
-		// Load plugins
-		
-			$installed = is_installed();
-			$db_installed = is_db_installed();
-			
-			// Determine light mode
-			$lm = strtolower(get_input('lightmode'));
-			if ($lm == 'true') $lightmode = true;
-			
-			// Load plugins, if we're not in light mode
-			if (($installed) && ($db_installed) && ($sanitised) && (!$lightmode)) {
-				load_plugins();
-				
-				trigger_elgg_event('plugins_boot', 'system');
-			}
-			
-		// Forward if we haven't been installed
-			if ((!$installed || !$db_installed) && !substr_count($_SERVER["PHP_SELF"],"install.php") && !substr_count($_SERVER["PHP_SELF"],"css.php") && !substr_count($_SERVER["PHP_SELF"],"action_handler.php")) {
-					header("Location: install.php");
-					exit;
-			}
-			
-		// Trigger events
-			if (!substr_count($_SERVER["PHP_SELF"],"install.php") &&
-				!substr_count($_SERVER["PHP_SELF"],"setup.php") &&
-				!$lightmode
-				&& !(defined('upgrading') && upgrading == 'upgrading')) {
-				// If default settings haven't been installed, forward to the default settings page
-				trigger_elgg_event('init', 'system');
-				//if (!datalist_get('default_settings')) {
-					//forward("setup.php");
-				//}
-			}
-			
-		// System booted, return to normal view
-			set_input('view', $oldview);
-			if (empty($oldview)) {
-				if (empty($CONFIG->view)) 
-					$oldview = 'default';
-				else
-					$oldview = $CONFIG->view;
-			}
-			
-			if (($installed) && ($db_installed)) 
-			{
-				$lastupdate = datalist_get('simplecache_lastupdate');
-				$lastcached = datalist_get('simplecache_'.$oldview);
-				if ($lastupdate == 0 || $lastcached < $lastupdate) {
-					elgg_view_regenerate_simplecache();
-					$lastcached = time();
-					datalist_set('simplecache_lastupdate',$lastcached);
-					datalist_set('simplecache_'.$oldview,$lastcached);
-				}
-				$CONFIG->lastcache = $lastcached;
-			}
-?>
\ No newline at end of file
+	}
+} else {	// End portion for sanitised installs only
+	throw new InstallationException(elgg_echo('installation:error:configuration'));
+}
+
+// Autodetect some default configuration settings
+set_default_config();
+
+// Trigger events
+trigger_elgg_event('boot', 'system');
+
+// Load plugins
+$installed = is_installed();
+$db_installed = is_db_installed();
+
+// Determine light mode
+$lm = strtolower(get_input('lightmode'));
+if ($lm == 'true') {
+	$lightmode = true;
+}
+
+// Load plugins, if we're not in light mode
+if (($installed) && ($db_installed) && ($sanitised) && (!$lightmode)) {
+	load_plugins();
+
+	trigger_elgg_event('plugins_boot', 'system');
+}
+
+// Forward if we haven't been installed
+if ((!$installed || !$db_installed)
+	&& !substr_count($_SERVER["PHP_SELF"], "install.php")
+	&& !substr_count($_SERVER["PHP_SELF"],"css.php")
+	&& !substr_count($_SERVER["PHP_SELF"],"action_handler.php")) {
+
+		header("Location: install.php");
+		exit;
+}
+
+// Trigger events
+if (!substr_count($_SERVER["PHP_SELF"],"install.php") &&
+	!substr_count($_SERVER["PHP_SELF"],"setup.php") &&
+	!$lightmode
+	&& !(defined('upgrading') && upgrading == 'upgrading')) {
+
+
+	trigger_elgg_event('init', 'system');
+}
+
+// System booted, return to normal view
+set_input('view', $oldview);
+if (empty($oldview)) {
+	if (empty($CONFIG->view)) {
+		$oldview = 'default';
+	} else {
+		$oldview = $CONFIG->view;
+	}
+}
+
+if (($installed) && ($db_installed)) {
+	$lastupdate = datalist_get('simplecache_lastupdate');
+	$lastcached = datalist_get('simplecache_'.$oldview);
+	if ($lastupdate == 0 || $lastcached < $lastupdate) {
+		elgg_view_regenerate_simplecache();
+		$lastcached = time();
+		datalist_set('simplecache_lastupdate',$lastcached);
+		datalist_set('simplecache_'.$oldview,$lastcached);
+	}
+	$CONFIG->lastcache = $lastcached;
+}
\ No newline at end of file