1 files changed, 256 insertions, 0 deletions
diff --git a/mod/defaultwidgets/start.php b/mod/defaultwidgets/start.php
new file mode 100644
index 000000000..e76e16e26
--- /dev/null
+++ b/mod/defaultwidgets/start.php
@@ -0,0 +1,256 @@
+<?php
+/**
+ * Elgg default_widgets plugin.
+ *
+ * @package DefaultWidgets
+ * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU
+ * @author Milan Magudia & Curverider
+ * @copyright HedgeHogs.net & Curverider ltd
+ * 
+ * Code based on the work of:
+ * @author Jade Dominguez, Chad Sowald
+ * @copyright tastyseed,  2008
+ * @copyright Chad Sowald, 2008
+ * @link http://www.tastyseed.com
+ * @link http://www.chadsowald.com
+ * @author Diego Ramirez
+ * @links http://www.somosmas.org
+ * 
+ */
+
+global $CONFIG;
+
+/**
+ * Default widgets initialisation
+ *
+ * These parameters are required for the event API, but we won't use them:
+ * 
+ * @param unknown_type $event
+ * @param unknown_type $object_type
+ * @param unknown_type $object
+ */
+function defaultwidgets_init() {
+	
+	// Load system configuration
+	register_page_handler ( 'defaultwidgets', 'defaultwidgets_page_handler' );
+	
+	// register create user event hook
+	register_elgg_event_handler ( 'create', 'user', 'defaultwidgets_newusers' );
+	
+	// set the widget access to the default access on validation if this is not an admin-created user
+	if (!isadminloggedin()) {
+		register_elgg_event_handler('validate', 'user', 'defaultwidgets_reset_access');
+	}
+	
+	// Override metadata permissions
+	//register_plugin_hook ( 'permissions_check:metadata', 'object', 'defaultwidgets_can_edit_metadata' );
+}
+
+/**
+ * Overrides default permissions for the default widgets context
+ * 
+ */
+function defaultwidgets_can_edit($hook_name, $entity_type, $return_value, $parameters) {
+	global $defaultwidget_access;
+	
+	if ($defaultwidget_access) {
+		return true;
+	}
+	return $return_value;
+}
+
+/**
+ * Override the canEditMetadata function to return true for messages
+ *
+ */
+function defaultwidgets_can_edit_metadata($hook_name, $entity_type, $return_value, $parameters) {
+	global $defaultwidget_access;
+	
+	if ($defaultwidget_access) {
+		return true;
+	}
+	return $return_value;
+
+}
+
+/**
+ * Override the canEdit function to return true for messages within a particular context.
+ *
+ */
+function defaultwidgets_can_edit_container($hook_name, $entity_type, $return_value, $parameters) {
+	global $defaultwidget_access;
+	
+	if ($defaultwidget_access) {
+		return true;
+	}
+	return $return_value;
+}
+
+/**
+ * Extends the create user event to add admin defined widgets to the dashboard/profile context
+ */
+function defaultwidgets_newusers($event, $object_type, $object) {
+	
+	// turn on permissions override
+	global $defaultwidget_access, $CONFIG;
+	$defaultwidget_access = true;
+	
+	// get the new user guid
+	$guid = $object->guid;
+	
+	if (isadminloggedin()) {
+		// this is an admin-created user
+		// no permissions problems, so set proper access now
+		// use system default access (not the admin's default access!, because that could be a personal access level)
+		$widget_access = $CONFIG->default_access;
+	} else {
+		// this is a regular registration
+		// set widget access to public for now and reset it properly during the validate event
+		// to avoid Elgg permissions problems
+		$widget_access = ACCESS_PUBLIC;
+	}
+	
+	// check if it's set
+	if (! empty ( $guid )) {
+		
+		// get the user entity
+		if ($user = get_entity ( $guid )) {
+			
+			// can this user edit
+			if ($user->canEdit ()) {
+				
+				// each of the contexts to add widgets for
+				$contexts = array ('profile', 'dashboard' );
+				
+				// get the entities for the module
+				$entities = elgg_get_entities (array('type' => 'object', 'subtype' => 'moddefaultwidgets', 'limit' => 9999));
+				
+				// check if the entity exists
+				if (isset ( $entities [0] )) {
+					
+					// get the widgets for the context
+					$entity = $entities [0];
+					
+					foreach ( $contexts as $context ) {
+						$current_widgets = $entity->$context;
+						list ( $left, $middle, $right ) = split ( '%%', $current_widgets );
+						
+						// split columns into seperate widgets
+						$area1widgets = split ( '::', $left );
+						$area2widgets = split ( '::', $middle );
+						$area3widgets = split ( '::', $right );
+						
+						// clear out variables if no widgets are available
+						if ($area1widgets [0] == "")
+							$area1widgets = false;
+						if ($area2widgets [0] == "")
+							$area2widgets = false;
+						if ($area3widgets [0] == "")
+							$area3widgets = false;
+							
+						// generate left column widgets for a new user 
+						if ($area1widgets) {
+							foreach ( $area1widgets as $i => $widget ) {
+								add_widget ( $guid, $widget, $context, ($i + 1), 1, $widget_access );
+							}
+						}
+						
+						// generate middle column widgets for a new user
+						if ($area2widgets) {
+							foreach ( $area2widgets as $i => $widget ) {
+								add_widget ( $guid, $widget, $context, ($i + 1), 2, $widget_access );
+							}
+						}
+						
+						// generate right column widgets for a new user
+						if ($area3widgets) {
+							foreach ( $area3widgets as $i => $widget ) {
+								add_widget ( $guid, $widget, $context, ($i + 1), 3, $widget_access );
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	
+	// turn off permissions override
+	$defaultwidget_access = false;
+}
+
+function defaultwidgets_reset_access($event, $object_type, $object) {
+	
+	global $defaultwidget_access;
+	
+	// turn on permissions override
+	$defaultwidget_access = true;
+	
+	// the widgets are disabled, so turn on the ability to see disabled entities
+	
+	$access_status = access_get_show_hidden_status();
+	access_show_hidden_entities(true);
+	
+	$widgets = elgg_get_entities(array('type' => 'object', 'subtype' => 'widget', 'owner_guid' => $object->getGUID()));
+	
+	if ($widgets) {
+		foreach($widgets as $widget) {
+			$widget->access_id = get_default_access();
+			$widget->save();
+		}
+	}
+	
+	access_show_hidden_entities($access_status);
+	
+	// turn off permissions override
+	$defaultwidget_access = false;
+	
+	return true;
+}
+
+/**
+ * Default widgets page handler; allows the use of fancy URLs
+ *
+ * @param array $page From the page_handler function
+ * @return true|false Depending on success
+ */
+function defaultwidgets_page_handler($page) {
+	global $CONFIG;
+	
+	if (isset ( $page [0] )) {
+		
+		switch ($page [0]) {
+			case "profile" :
+				include (dirname ( __FILE__ ) . "/profile.php");
+				break;
+			case "dashboard" :
+				include (dirname ( __FILE__ ) . "/dashboard.php");
+				break;
+		}
+	} else {
+		register_error ( elgg_echo ( "defaultwidgets:admin:notfound" ) );
+		forward ( $CONFIG->wwwroot );
+	}
+	return true;
+}
+
+/**
+ * Page setup. Adds admin controls to the admin panel.
+ *
+ */
+function defaultwidgets_pagesetup() {
+	if (get_context () == 'admin' && isadminloggedin ()) {
+		global $CONFIG;
+		add_submenu_item ( elgg_echo ( 'defaultwidgets:menu:profile' ), $CONFIG->wwwroot . 'pg/defaultwidgets/profile' );
+		add_submenu_item ( elgg_echo ( 'defaultwidgets:menu:dashboard' ), $CONFIG->wwwroot . 'pg/defaultwidgets/dashboard' );
+	}
+}
+
+// Make sure the status initialisation function is called on initialisation
+register_elgg_event_handler ( 'init', 'system', 'defaultwidgets_init' );
+register_elgg_event_handler ( 'pagesetup', 'system', 'defaultwidgets_pagesetup' );
+
+register_plugin_hook ( 'permissions_check', 'user', 'defaultwidgets_can_edit' );
+register_plugin_hook ( 'permissions_check', 'object', 'defaultwidgets_can_edit' );
+register_plugin_hook ( 'container_permissions_check', 'user', 'defaultwidgets_can_edit_container' );
+
+register_action ( "defaultwidgets/update", false, $CONFIG->pluginspath . "defaultwidgets/actions/update.php" );