diff options
Diffstat (limited to 'engine/lib/widgets.php')
| -rw-r--r-- | engine/lib/widgets.php | 557 |
1 files changed, 139 insertions, 418 deletions
diff --git a/engine/lib/widgets.php b/engine/lib/widgets.php index f4cb8765b..699462a1b 100644 --- a/engine/lib/widgets.php +++ b/engine/lib/widgets.php @@ -11,12 +11,12 @@ * Get widgets for a particular context * * The widgets are ordered for display and grouped in columns. - * $widgets = elgg_get_widgets(get_loggedin_userid(), 'dashboard'); + * $widgets = elgg_get_widgets(elgg_get_logged_in_user_guid(), 'dashboard'); * $first_column_widgets = $widgets[1]; * * @param int $user_guid The owner user GUID * @param string $context The context (profile, dashboard, etc) - * + * * @return array An 2D array of ElggWidget objects * @since 1.8.0 */ @@ -26,7 +26,8 @@ function elgg_get_widgets($user_guid, $context) { 'subtype' => 'widget', 'owner_guid' => $user_guid, 'private_setting_name' => 'context', - 'private_setting_value' => $context + 'private_setting_value' => $context, + 'limit' => 0 ); $widgets = elgg_get_entities_from_private_settings($options); if (!$widgets) { @@ -51,12 +52,13 @@ function elgg_get_widgets($user_guid, $context) { /** * Create a new widget instance * - * @param int $entity_guid GUID of entity that owns this widget - * @param string $handler The handler for this widget - * @param int $access_id If not specified, it is set to the default access level - * + * @param int $owner_guid GUID of entity that owns this widget + * @param string $handler The handler for this widget + * @param string $context The context for this widget + * @param int $access_id If not specified, it is set to the default access level + * * @return int|false Widget GUID or false on failure - * @since 1.8 + * @since 1.8.0 */ function elgg_create_widget($owner_guid, $handler, $context, $access_id = null) { if (empty($owner_guid) || empty($handler) || !elgg_is_widget_type($handler)) { @@ -103,11 +105,11 @@ function elgg_can_edit_widget_layout($context, $user_guid = 0) { $user = get_entity((int)$user_guid); if (!$user) { - $user = get_loggedin_user(); + $user = elgg_get_logged_in_user_entity(); } $return = false; - if (isadminloggedin()) { + if (elgg_is_admin_logged_in()) { $return = true; } if (elgg_get_page_owner_guid() == $user->guid) { @@ -117,7 +119,7 @@ function elgg_can_edit_widget_layout($context, $user_guid = 0) { $params = array( 'user' => $user, 'context' => $context, - 'page_owner' => elgg_get_page_owner() + 'page_owner' => elgg_get_page_owner_entity() ); return elgg_trigger_plugin_hook('permissions_check', 'widget_layout', $params, $return); } @@ -134,7 +136,7 @@ function elgg_can_edit_widget_layout($context, $user_guid = 0) { * widget is allowed (default: 'all') * @param bool $multiple Whether or not multiple instances of this widget * are allowed in a single layout (default: false) - * + * * @return bool * @since 1.8.0 */ @@ -168,7 +170,7 @@ function elgg_register_widget_type($handler, $name, $description, $context = "al * Remove a widget type * * @param string $handler The identifier for the widget - * + * * @return void * @since 1.8.0 */ @@ -192,7 +194,7 @@ function elgg_unregister_widget_type($handler) { * Has a widget type with the specified handler been registered * * @param string $handler The widget handler identifying string - * + * * @return bool Whether or not that widget type exists * @since 1.8.0 */ @@ -215,12 +217,13 @@ function elgg_is_widget_type($handler) { * * The widget types are stdClass objects. * - * @param string context The widget context or empty string for current context - * + * @param string $context The widget context or empty string for current context + * @param bool $exact Only return widgets registered for this context (false) + * * @return array * @since 1.8.0 */ -function elgg_get_widget_types($context = "") { +function elgg_get_widget_types($context = "", $exact = false) { global $CONFIG; if (empty($CONFIG->widgets) || @@ -236,8 +239,14 @@ function elgg_get_widget_types($context = "") { $widgets = array(); foreach ($CONFIG->widgets->handlers as $key => $handler) { - if (in_array('all', $handler->context) || in_array($context, $handler->context)) { - $widgets[$key] = $handler; + if ($exact) { + if (in_array($context, $handler->context)) { + $widgets[$key] = $handler; + } + } else { + if (in_array('all', $handler->context) || in_array($context, $handler->context)) { + $widgets[$key] = $handler; + } } } @@ -248,6 +257,7 @@ function elgg_get_widget_types($context = "") { * Regsiter entity of object, widget as ElggWidget objects * * @return void + * @access private */ function elgg_widget_run_once() { add_subtype("object", "widget", "ElggWidget"); @@ -257,443 +267,154 @@ function elgg_widget_run_once() { * Function to initialize widgets functionality * * @return void + * @access private */ function elgg_widgets_init() { - register_action('widgets/save'); - register_action('widgets/add'); - register_action('widgets/move'); - register_action('widgets/delete'); + elgg_register_action('widgets/save'); + elgg_register_action('widgets/add'); + elgg_register_action('widgets/move'); + elgg_register_action('widgets/delete'); + elgg_register_action('widgets/upgrade', '', 'admin'); run_function_once("elgg_widget_run_once"); } -elgg_register_event_handler('init', 'system', 'elgg_widgets_init'); - - - -/** - * 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 bool Depending on success - * @deprecated 1.8 use ElggWidget::move() - */ -function save_widget_location(ElggObject $widget, $order, $column) { - elgg_deprecated_notice('save_widget_location() is deprecated', 1.8); - if ($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(); - $params = array( - 'context' => $widget->context, - 'column' => $column, - ); - - if ($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; - } - } - } - - $ordertmp[$order] = $widget; - ksort($ordertmp); - - $orderticker = 10; - foreach ($ordertmp as $orderval => $entity) { - $entity->order = $orderticker; - $orderticker += 10; - } - - return true; - } else { - register_error($widget->subtype); - } - - } - - 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 $column The column (1 or 2) - * - * @return array|false An array of widget ElggObjects, or false - * @deprecated 1.8 Use elgg_get_widgets() - */ -function get_widgets($user_guid, $context, $column) { - elgg_deprecated_notice('get_widgets is depecated for elgg_get_widgets', 1.8); - $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] = $widget; - } - - ksort($widgetorder); - - return $widgetorder; - } - - return false; -} - /** - * Add a new widget instance - * - * @param int $entity_guid GUID of entity that owns this widget - * @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 $access_id If not specified, it is set to the default access level - * - * @return int|false Widget GUID or false on failure - * @deprecated 1.8 use elgg_create_widget() - */ -function add_widget($entity_guid, $handler, $context, $order = 0, $column = 1, $access_id = null) { - elgg_deprecated_notice('add_widget has been deprecated for elgg_create_widget', 1.8); - if (empty($entity_guid) || empty($context) || empty($handler) || !widget_type_exists($handler)) { - return false; - } - - if ($entity = get_entity($entity_guid)) { - $widget = new ElggWidget; - $widget->owner_guid = $entity_guid; - $widget->container_guid = $entity_guid; - if (isset($access_id)) { - $widget->access_id = $access_id; - } else { - $widget->access_id = get_default_access(); - } - - $guid = $widget->save(); - - // private settings cannot be set until ElggWidget saved - $widget->handler = $handler; - $widget->context = $context; - $widget->column = $column; - $widget->order = $order; - - return $guid; - } - - 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 bool $multiple Whether or not multiple instances of this widget - * are allowed on a single dashboard (default: false) - * @param string $positions A comma-separated list of positions on the page - * (side or main) where this widget is allowed (default: "side,main") - * - * @return bool Depending on success - * @deprecated 1.8 Use elgg_register_widget_type - */ -function add_widget_type($handler, $name, $description, $context = "all", -$multiple = false, $positions = "side,main") { - elgg_deprecated_notice("add_widget_type deprecated for elgg_register_widget_type", 1.8); - - return elgg_register_widget_type($handler, $name, $description, $context, $multiple); -} - -/** - * Remove a widget type - * - * @param string $handler The identifier for the widget handler + * Gets a list of events to create default widgets for and + * register menu items for default widgets with the admin section. + * + * A plugin that wants to register a new context for default widgets should + * register for the plugin hook 'get_list', 'default_widgets'. The handler + * can register the new type of default widgets by adding an associate array to + * the return value array like this: + * array( + * 'name' => elgg_echo('profile'), + * 'widget_context' => 'profile', + * 'widget_columns' => 3, + * + * 'event' => 'create', + * 'entity_type' => 'user', + * 'entity_subtype' => ELGG_ENTITIES_ANY_VALUE, + * ); + * + * The first set of keys define information about the new type of default + * widgets and the second set determine what event triggers the creation of the + * new widgets. * * @return void - * @since 1.7.1 - * @deprecated 1.8 Use elgg_unregister_widget_type - */ -function remove_widget_type($handler) { - elgg_deprecated_notice("remove_widget_type deprecated for elgg_unregister_widget_type", 1.8); - return elgg_unregister_widget_type($handler); -} - -/** - * Determines whether or not widgets with the specified handler have been defined - * - * @param string $handler The widget handler identifying string - * - * @return bool Whether or not those widgets exist - * @deprecated 1.8 Use elgg_is_widget_type - */ -function widget_type_exists($handler) { - elgg_deprecated_notice("widget_type_exists deprecated for elgg_is_widget_type", 1.8); - return elgg_is_widget_type($handler); -} - -/** - * Returns an array of stdClass objects representing the defined widget types - * - * @return array A list of types defined (if any) - * @deprecated 1.8 Use elgg_get_widget_types - */ -function get_widget_types() { - elgg_deprecated_notice("get_widget_types deprecrated for elgg_get_widget_types", 1.8); - return elgg_get_widget_types(); -} - -/** - * Saves a widget's settings (by passing an array of - * (name => value) pairs to save_{$handler}_widget) - * - * @param int $widget_guid The GUID of the widget we're saving to - * @param array $params An array of name => value parameters - * - * @return bool - * @deprecated 1.8 Use elgg_save_widget_settings + * @access private */ -function save_widget_info($widget_guid, $params) { - elgg_deprecated_notice("save_widget_info() is deprecated for elgg_save_widget_settings", 1.8); - if ($widget = get_entity($widget_guid)) { +function elgg_default_widgets_init() { + global $CONFIG; + $default_widgets = elgg_trigger_plugin_hook('get_list', 'default_widgets', null, array()); - $subtype = $widget->getSubtype(); + $CONFIG->default_widget_info = $default_widgets; - if ($subtype != "widget") { - return false; - } - $handler = $widget->handler; - if (empty($handler) || !widget_type_exists($handler)) { - return false; - } + if ($default_widgets) { + elgg_register_admin_menu_item('configure', 'default_widgets', 'appearance'); - if (!$widget->canEdit()) { - return false; - } + // override permissions for creating widget on logged out / just created entities + elgg_register_plugin_hook_handler('container_permissions_check', 'object', 'elgg_default_widgets_permissions_override'); - // Save the params to the widget - if (is_array($params) && sizeof($params) > 0) { - foreach ($params as $name => $value) { - - if (!empty($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(); + // only register the callback once per event + $events = array(); + foreach ($default_widgets as $info) { + $events[$info['event'] . ',' . $info['entity_type']] = $info; } - - $function = "save_{$handler}_widget"; - if (is_callable($function)) { - return $function($params); + foreach ($events as $info) { + elgg_register_event_handler($info['event'], $info['entity_type'], 'elgg_create_default_widgets'); } - - return true; } - - return false; } /** - * Reorders the widgets from a widget panel + * Creates default widgets * - * @param string $panelstring1 String of guids of ElggWidget objects separated by :: - * @param string $panelstring2 String of guids of ElggWidget objects separated by :: - * @param string $panelstring3 String of guids of ElggWidget objects separated by :: - * @param string $context Profile or dashboard - * @param int $owner Owner guid + * This plugin hook handler is registered for events based on what kinds of + * default widgets have been registered. See elgg_default_widgets_init() for + * information on registering new default widget contexts. * + * @param string $event The event + * @param string $type The type of object + * @param ElggEntity $entity The entity being created * @return void - * @deprecated 1.8 + * @access private */ -function reorder_widgets_from_panel($panelstring1, $panelstring2, $panelstring3, $context, $owner) { - elgg_deprecated_notice("reorder_widgets_from_panel() is deprecated", 1.8); - $return = true; - - $mainwidgets = explode('::', $panelstring1); - $sidewidgets = explode('::', $panelstring2); - $rightwidgets = explode('::', $panelstring3); - - $handlers = array(); - $guids = array(); - - if (is_array($mainwidgets) && sizeof($mainwidgets) > 0) { - foreach ($mainwidgets as $widget) { - - $guid = (int) $widget; - - if ("{$guid}" == "{$widget}") { - $guids[1][] = $widget; - } else { - $handlers[1][] = $widget; - } - } - } - if (is_array($sidewidgets) && sizeof($sidewidgets) > 0) { - foreach ($sidewidgets as $widget) { - - $guid = (int) $widget; +function elgg_create_default_widgets($event, $type, $entity) { + $default_widget_info = elgg_get_config('default_widget_info'); - if ("{$guid}" == "{$widget}") { - $guids[2][] = $widget; - } else { - $handlers[2][] = $widget; - } - - } - } - if (is_array($rightwidgets) && sizeof($rightwidgets) > 0) { - foreach ($rightwidgets as $widget) { - - $guid = (int) $widget; - - if ("{$guid}" == "{$widget}") { - $guids[3][] = $widget; - } else { - $handlers[3][] = $widget; - } - - } + if (!$default_widget_info || !$entity) { + return; } - // 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); + $type = $entity->getType(); + $subtype = $entity->getSubtype(); + + // event is already guaranteed by the hook registration. + // need to check subtype and type. + foreach ($default_widget_info as $info) { + if ($info['entity_type'] == $type) { + if ($info['entity_subtype'] == ELGG_ENTITIES_ANY_VALUE || $info['entity_subtype'] == $subtype) { + + // need to be able to access everything + $old_ia = elgg_set_ignore_access(true); + elgg_push_context('create_default_widgets'); + + // pull in by widget context with widget owners as the site + // not using elgg_get_widgets() because it sorts by columns and we don't care right now. + $options = array( + 'type' => 'object', + 'subtype' => 'widget', + 'owner_guid' => elgg_get_site_entity()->guid, + 'private_setting_name' => 'context', + 'private_setting_value' => $info['widget_context'], + 'limit' => 0 + ); + + $widgets = elgg_get_entities_from_private_settings($options); + /* @var ElggWidget[] $widgets */ + + foreach ($widgets as $widget) { + // change the container and owner + $new_widget = clone $widget; + $new_widget->container_guid = $entity->guid; + $new_widget->owner_guid = $entity->guid; + + // pull in settings + $settings = get_all_private_settings($widget->guid); + + foreach ($settings as $name => $value) { + $new_widget->$name = $value; } - } - } - } - // Add new ones - if (sizeof($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; - } + $new_widget->save(); } + + elgg_set_ignore_access($old_ia); + elgg_pop_context(); } } } - - return $return; -} - -/** - * Register a particular context for use with widgets. - * - * @param string $context The context we wish to enable context for - * - * @return void - * @deprecated 1.8 - */ -function use_widgets($context) { - elgg_deprecated_notice("use_widgets is deprecated", 1.8); - 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 bool Depending on widget status - * @deprecated 1.8 + * Overrides permissions checks when creating widgets for logged out users. + * + * @param string $hook The permissions hook. + * @param string $type The type of entity being created. + * @param string $return Value + * @param mixed $params Params + * @return true|null + * @access private */ -function using_widgets() { - elgg_deprecated_notice("using_widgets is deprecated", 1.8); - global $CONFIG; - - $context = elgg_get_context(); - if (isset($CONFIG->widgets->contexts) && is_array($CONFIG->widgets->contexts)) { - if (in_array($context, $CONFIG->widgets->contexts)) { - return true; - } +function elgg_default_widgets_permissions_override($hook, $type, $return, $params) { + if ($type == 'object' && $params['subtype'] == 'widget') { + return elgg_in_context('create_default_widgets') ? true : null; } - return false; + return null; } -/** - * @deprecated 1.8 - */ -function display_widget(ElggObject $widget) { - elgg_deprecated_notice("display_widget() was been deprecated. Use elgg_view_entity().", 1.8); - return elgg_view_entity($widget); -} +elgg_register_event_handler('init', 'system', 'elgg_widgets_init'); +// register default widget hooks from plugins +elgg_register_event_handler('ready', 'system', 'elgg_default_widgets_init'); |