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App Extensibility: Approve RequestsLocate this document in the navigation structure

Use

You can extend the Approve Requests application according to your business needs for different aspects. For this purpose, the following extensibility options are available:

  • Change the list view (S2)

  • Change the detail view (S3)

  • Extend the application with additional views

Extension Points

To extend Approve Requests, you can use the following extension points:

View

Control ID

Use

S2.view.xml

CustomerExtensionForObjectListItem

Allows you to replace the list item template with your custom list item template on the list screen

Make sure that the ID of your custom list template is the same as the ID of the standard list item template.

S3.view.xml

CustomerExtensionForObjectHeader

Allows you to replace the header of the detail screen with your custom header

S3.view.xml

CustomerExtensionForInfoTabContent

Allows you to define the content you want to display on the Info tab

S3.view.xml

CustomerExtensionForNoteTabContent

Allows you to define the content you want to display on the Note tab

S3.view.xml

CustomerExtensionForAttachmentTabContent

Allows you to define the content you want to display on the Attachment tab

S3.view.xml

CustomerExtensionForAdditionalTabs

Allows you to create additional tabs

S3.view.xml

CustomerExtensionForAdditionalDetails

Allows you to display additional information on the detail screen.

If there are additional fields available in the OData service, you can display these fields on the UI. For more information, see the extensibility documentation for the respective SAP NetWeaver release on your front-end server at http://help.sap.com/fiori_implementation Start of the navigation path Extensibility Information for SAP Fiori Next navigation step Extending the UI Layer Next navigation step UI Extensibility Workflow Next navigation step  Next navigation step Checking the SAP-Enabled Extension Options Next navigation step Extension Points End of the navigation path.

UI Controller Hooks

To plug in and execute custom code, the following hooks are available in the controller code:

Controller

Hook

Use

S2.controller.js

extHookGetCustomFilter

Allows you to create custom filters that can be used for filtering the workflow tasks

S2.controller.js

extHookChangeFilterItems

Allows you to replace the standard filters with custom filters based on the filter key

S2.controller.js

extHookChangeSortConfig

Allows you to change those properties that can be used for sorting the workflow tasks

S2.controller.js

extHookChangeGroupConfig

Allows you to change those properties that can be used for grouping the workflow tasks

S3.controller.js

extHookConfigureAdditionalTabs

Allows you to add a new tab on the detail screen

S3.controller.js

extHookInitAdditionalTabs

Allows you to initialize the new tab

S3.controller.js

extHookChangeFooterButtons

Allows you to add, remove, and change the action buttons (for example, claim, release, and forward) on the detail screen

S3.controller.js

extHookGetEntitySetsToExpand

Allows you to retrieve additional entities from the back-end system

S3.controller.js

extHookOnDataLoaded

Allows you to perform additional requests and process the retrieved data

If there are additional UI controller hooks available in the controller code, you can add own code. For more information, see the extensibility documentation for the respective SAP NetWeaver release on your front-end server at http://help.sap.com/fiori_implementation Start of the navigation path Extensibility Information for SAP Fiori Next navigation step Extending the UI Layer Next navigation step UI Extensibility Workflow Next navigation step  Next navigation step Checking the SAP-Enabled Extension Options Next navigation step UI Controller Hooks End of the navigation path.

UI Controls

The following UI controls can be hidden on the app UI.

View

Control ID

Use

S3.view.xml

ARNoteIconTabFilter

Allows you to hide the Note tab on the detail screen

S3.view.xml

ARAttachmentIconTabFilter

Allows you to hide the Attachment tab on the detail screen

For more information about hiding UI controls, see the extensibility documentation for the respective SAP NetWeaver release on your front-end server at http://help.sap.com/fiori_implementation Start of the navigation path Extensibility Information for SAP Fiori Next navigation step Extending the UI Layer Next navigation step UI Extensibility Workflow Next navigation step  Next navigation step Checking the SAP-Enabled Extension Options Next navigation step Hiding UI Controls End of the navigation path.

Business Add-Ins (BAdIs)

To extend Approve Requests and add custom code in the Task Gateway Service, you can use the following Business Add-Ins:

BAdIs in the Back-End System

  • Before Update BAdI (/IWWRK/BADI_WF_BEFORE_UPD_IB)

    You can use BAdI /IWWRK/BADI_WF_BEFORE_UPD_IB to handle decision runtime in the following cases:

    • Step type for the workflow task is not User Decision.

    • You want to execute an action before the work item is updated with the user decision.

    For more information, see SAP Help Portal at http://help.sap.com Start of the navigation path Technology Next navigation step SAP Gateway Next navigation step SAP NetWeaver Gateway 2.0 Next navigation step Content Information Next navigation step Content Guide Next navigation step SAP NetWeaver Gateway Content Guide Next navigation step SAP NetWeaver Gateway Supported OData Channel Scenarios Next navigation step Workflow Services Next navigation step Workflow Task Service: Central Hub Deployment with IW_BEP Backend Installation Next navigation step Workflow User Exits End of the navigation path.

BAdIs in the Gateway System

  • Task Gateway: Change subject in query (/IWPGW/BADI_TGW_TASK_QUERY)

    You can use this BAdI to change the task title for all items on the list screen.

  • Task Gateway: Modify task data (/IWPGW/BADI_TGW_TASK_DATA)

    You can use this BAdI to change the task title or task description on the detail screen.

  • Task Gateway: Provide User details (/IWPGW/BADI_TGW_USER_DETAIL)

    You can use this BAdI to change the user details on the detail screen.

For more information, see SAP Help Portal at http://help.sap.com Start of the navigation path Technology Next navigation step SAP Gateway Next navigation step SAP NetWeaver Gateway 2.0 Next navigation step Content Information Next navigation step Content Guide Next navigation step SAP NetWeaver Gateway Content Guide Next navigation step SAP NetWeaver Gateway Supported OData Channel Scenarios Next navigation step Task Gateway Next navigation step Task Gateway Developer Next navigation step Task Gateway User Exits End of the navigation path.

More Information

For a general description of the extensibility options and procedures of SAP Fiori apps, see http://help.sap.com/fiori_implementation Start of the navigation path Extensibility Information for SAP Fiori End of the navigation path.