Helpers, widgets for common web development

• actions/FileDeleteAction - for deleting FileBehavior model files
• actions/FileRenameAction - for renaming FileBehavior model files
• actions/ListAction - for ajax response for DepDrop widget / or html input request

• behaviors/FileBehavior - for uploading files, saving, showing, processing images
• behaviors/RankBehavior - for managing model sorting field
• behaviors/SerializeBehavior - for saving JSON or serialized arrays

• helpers/EventHelper - for processing events
• helpers/FormHelper - for processing form data
• helpers/GridHelper - for displaying GridView
• helpers/HtmlHelper - for displaying html elements
• helpers/MigrationHelper - for migration db operations
• helpers/RbacPermissionMigration - template (extend it) for rbac item add migration

• tests/FixtureManager - for generating fixtures

• validators/ListValidator - for validating attribute having list of available values for it.

• widgets/ActiveForm - for using yii active form without echoing it.
• widgets/UrlView - for rendering any controller partial response (for rbac access to widget content).