OA Core is the primary module for Open Atrium 2. It contains several submodules for different functionality. Most of these submodules are required and are split-out for code modularity. Some submodules are optional (will be indicated). Submodules are found in the oa_core/modules directory. Common utility functions are found in oa_core/includes and will be documented below.

Submodules (alphabetical)

• Bootstrap Pane Styles (bootstrap_pane_styles) : OPTIONAL. Provides panels pane styles for menus. Good example module for building custom Panels Pane Styles.

• Open Atrium Access (oa_access) : OPTIONAL. Provides framework for group-specific and team-specific access permissions, similar to Roles.

• Open Atrium Admin Role (oa_adminrole) : OPTIONAL but Recommended. Provides default Permissions for Admins and Members.

• Open Atrium Appearance (oa_appearance) : OPTIONAL. Enables site and space-specific banners and colors.

• Open Atrium Buttons (oa_buttons) : REQUIRED. Manages the Command Buttons for Open Atrium. Also defines the default Space and Section type taxonomy terms.

• Open Atrium Config (oa_config) : OPTIONAL but Recommended. Stores default settings for various contrib modules.

• Open Atrium Date (oa_date) : REQUIRED. Adds the relative date formatter used in the Recent Activity views.

• Open Atrium Diff (oa_diff) : REQUIRED. Integrates the Diff module to show differences in the Update messages in the Recent Activity.

• Open Atrium Domains (oa_domains) : OPTIONAL. Allows per-space domain name support.

• Open Atrium Favorites (oa_favorites) : OPTIONAL. Adds the Favorites widget in the toolbar for marking favorite spaces.

• Open Atrium Home (oa_home) : OPTIONAL. Featurizes the default Home page markup

• Open Atrium HTML Email (oa_htmlmail) : OPTIONAL. Adds the markup for better HTML email notifications.

• Open Atrium Layouts (oa_layouts) : REQUIRED. Defines the default panelizer layouts for spaces, groups. Provides the default Mini Panels for the Header, Footer, Sidebars.

• Open Atrium Messages (oa_messages) : REQUIRED. Provides the default message types used for Recent Activity and notifications.

• Open Atrium Messages Digest (oa_messages_digest) : OPTIONAL. Integrates the messages_digest module to add Weekly and Daily digests.

• Open Atrium News (oa_news) : OPTIONAL. Provides the News Section type view and panels layout.

• Open Atrium Panopoly Users (oa_panopoly_users) : REQUIRED. Overrides the Panopoly User pages to provide default dashboard layout.

• Open Atrium Permissions (oa_permissions) : OPTIONAL. Provides the default permissions (Drupal and OG).

• Open Atrium Recent Activity (oa_river) : REQUIRED. Provides the Recent Activity view.

• Open Atrium Sandbox (oa_sandbox) : OPTIONAL. Adds the Sandbox functionality.

• Open Atrium Search (oa_search) : OPTIONAL. Integrates Panopoly Search and search_api. Provides default indexes and Facets and Views along with a sidebar search widget.

• Open Atrium Sections (oa_sections) : REQUIRED. Provides Section functionality.

• Open Atrium Section Session Context (oa_section_context) : REQUIRED. Stores the current section context into user session.

• Open Atrium Styles (oa_styles) : OPTIONAL. Provides general Panels Pane Styles.

• Open Atrium Teams (oa_teams) : REQUIRED. Adds Team functionality.

• Open Atrium Tour (oa_tour) : OPTIONAL. Integrates the Bootstrap Tour module to provide popup help. Adds the Help button widget.

• Open Atrium Tour Defaults (oa_tour_defaults) : OPTIONAL. Adds the default tours for teaching about Open Atrium.

• Open Atrium Updater (oa_update) : OPTIONAL but Recommended. Replaces the Drupal Module update page with a distribution profile update page.

• Open Atrium Users (oa_users) : REQUIRED. Adds fields to the User entity and provides Views and pages for User's activity and basic profile.

• Open Atrium Variables (oa_variables) : OPTIONAL. Adds the default site variables for site-specific values.

• Open Atrium Widgets (oa_widgets) : REQUIRED. Provides various core Panels Pane widgets.

Common Utility Functions

Located in oa_core/includes:

• oa_core_util.inc - Always loaded. Contains many different and useful functions, such as returning the current space context, current section context, list of groups a user is a member of, etc. See the code file for PHPDOC documentation and comments.

• oa_core_access.inc - Always loaded. Contains common access-control functions. All of the node grant and node access hooks are here, along with file_entity access. There is also a utility function to return all of the visibility information for a given node.

• oa_core_login.inc - Always loaded. Contains the alter hooks to handle the user login redirection and the user dashboard. - oa_core_theme.inc - Always loaded. Contains the hook_theme function to point to various template files.

Content Types

The following core content types are provided by oa_core via Features export:

oa_space

An Organic Group "group type" for defining spaces or sub-spaces. Note sub-space functionality is handled by the Open Atrium Subspaces (oa_subspaces) module. Additional Base fields include:

• field_oa_space_type - points to the Space Type (Space Blueprint) taxonomy. The Taxonomy term provides the default command buttons and panelizer layout for a given space type.

• field_oa_section_override - allows custom command buttons to be enabled for the space to appear in the + menu. See Open Atrium Buttons (oa_buttons)

• group_access - the Organic Groups field that allows spaces to be marked as Public/Private

• group_group - the Organic Groups field that marks a Space as an OG Group type

• og_roles_permissions - the Organic Groups field that allows space-specific roles and permissions

oa_group

An Organic Group "group type" for defining user access Groups. While OG supports assigning nodes to a group, Open Atrium only uses the user membership features to enable Groups to be used for access control on sections. Additional Base fields include:

• group_access - the Organic Groups field that allows Groups to be marked as Public/Private

• group_group - the Organic Groups field that marks a Group as an OG Group type

• og_roles_permissions - the Organic Groups field that allows group-specific roles and permissions

Global Fields

The following Base fields are defined in oa_core for other content types to share:

• field_oa_media - the file entity reference field used for attachments. oa_core implements custom access control over files assigned to this field based upon the node_access of the node being attached to.

Taxonomy

The following core taxonomies are defined:

space_type (Space Blueprint)

Used to define the default command buttons and panelizer layout for a particular space-type. Allows a space-type to clone an existing space structure via blueprints. Additional Base fields include:

• field_oa_section_layout - stores the panelizer layout to be used for this space type

Views

The following views are exported into oa_core:

• oa_core_space_types - a view used for the node/add/oa_space page to list the available space types for selection when creating content

• open_atrium_content - a view of Recent Content. The most general purpose Views widget in Open Atrium allows most any type of content to be shown for a specific space and/or section

• open_atrium_groups - a view of Spaces and Groups, typically added to the user's dashboard to show subscribed spaces. Has options for subscribed, favorites, inherited.

• open_atrium_user_filters - provides a list of users of a given group. Used in other fields to restrict the user selection to the users of the current space (such as for teams)