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90 lines
5.3 KiB
Markdown
90 lines
5.3 KiB
Markdown
# abap2UI5
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Development of UI5 Apps in pure ABAP. Follow this project on [twitter](https://twitter.com/OblomovDev) to keep up to date!
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## Project Features
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* easy to use – implement just one interface for a standalone UI5 application
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* pure ABAP – development using 100% ABAP (no JavaScript, DDL, EML or Customizing)
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* low system footprint – based on a plain http handler (no BSP, OData, CDS, BOPF, FE or RAP)
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* cloud and on-premise ready – works with both language versions (ABAP for Cloud, Standard ABAP)
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* high system compatibility – runs on all available ABAP stacks (from NW 7.02 to ABAP 2302)
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* easy installation – abapGit project, no additional app deployment needed
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### Information
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##### SCN Blog Series - Introduction to abap2UI5
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* (1/7) Introduction: Developing UI5 Apps in pure ABAP [(Blog SCN - 22.02.2023)](https://blogs.sap.com/2023/02/22/abap2ui5-development-of-ui5-apps-in-pure-abap-1-3/)<br>
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* (2/7) Displaying Selection Screens & Tables [(Blog SCN - 23.02.2023)](https://blogs.sap.com/2023/02/22/abap2ui5-output-of-lists-and-tables-toolbar-and-editable-2-3/)<br>
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* (3/7) Popups, F4-Help, Messages & Controller Logic [(Blog SCN - 30.03.2023)](https://blogs.sap.com/2023/03/30/abap2ui5-3-4-flow-logic-pop-ups-f4-help/)<br>
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* (4/7) Advanced Functionality & Demonstrations [(Blog SCN - 02.04.2023)](https://blogs.sap.com/2023/04/02/abap2ui5-4-5-additional-features-demos/)<br>
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* (5/7) Extensions with XML Views, HTML, JS & Custom Controls [(Blog SCN - 12.04.2023)](https://blogs.sap.com/2023/04/02/abap2ui5-4-5-additional-features-demos/](https://blogs.sap.com/2023/04/12/abap2ui5-5-6-extensions-with-xml-views-html-js-custom-controls/)<br>
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* (6/7) Installation, Configuration & Debugging [(Blog SCN - 14.04.2023)]([https://blogs.sap.com/2023/04/02/abap2ui5-4-5-additional-features-demos/](https://blogs.sap.com/2023/04/12/abap2ui5-5-6-extensions-with-xml-views-html-js-custom-controls/](https://blogs.sap.com/2023/04/14/abap2ui5-6-7-installation-configuration-debugging/)<br>
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* (7/7) Technical Background<br>
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##### More
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* Find abap2UI5 in the ABAP Open Source Projects [(dotabap.org)](https://dotabap.org/)
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* Static Analysis & Continuous Integration with abaplint [(abaplint.app/abap2UI5)](https://abaplint.app/stats/oblomov-dev/abap2UI5)
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* Featured in the Boring Enterprise Nerdletter [(newsletter - 08.03.2023)](https://boringenterprisenerds.substack.com/p/34-abap2ui5-sap-cva-burnout-c2c-shortwave)
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* Featured in the SAP Developer News [(youtube - 26.01.2023)](https://www.youtube.com/watch?v=6BDK55xYttM)
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* Development of UI5 Selection Screens in pure ABAP (former version) [(Blog SCN - 22.01.2023)](https://blogs.sap.com/2023/01/22/abap2ui5-project-development-of-ui5-selection-screens-in-pure-abap-no-app-deployment-or-javascript-needed/)
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### Demo [(Example)](https://github.com/oblomov-dev/ABAP2UI5/blob/main/src/00/z2ui5_cl_app_demo_01.clas.abap)
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## Installation
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Works with all available ABAP releases and language versions:
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* BTP ABAP Environment (ABAP for Cloud)
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* S/4 Public Cloud ABAP Environment (ABAP for Cloud)
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* S/4 Private Cloud or On-Premise (ABAP for Cloud, Standard ABAP)
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* R/3 NetWeaver AS ABAP 7.50 or higher (Standard ABAP)
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* R/3 NetWeaver AS ABAP 7.02 to 7.42 - use the low syntax [branch](https://github.com/oblomov-dev/ABAP2UI5/tree/main_v702)
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Install with [abapGit](https://abapgit.org), create a new HTTP service and call abap2UI5 [(more information)](https://github.com/oblomov-dev/abap2ui5/wiki):
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##### ABAP for Cloud:
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```abap
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METHOD if_http_service_extension~handle_request.
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z2ui5_cl_http_handler=>client = VALUE #(
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t_header = request->get_header_fields( )
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t_param = request->get_form_fields( )
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body = request->get_text( ) ).
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DATA(lv_resp) = SWITCH #( request->get_method( )
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WHEN 'GET' THEN z2ui5_cl_http_handler=>main_index_html( )
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WHEN 'POST' THEN z2ui5_cl_http_handler=>main_roundtrip( ) ).
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response->set_status( 200 )->set_text( lv_resp ).
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ENDMETHOD.
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```
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##### Standard ABAP:
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```abap
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METHOD if_http_extension~handle_request.
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DATA lt_header TYPE tihttpnvp.
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server->request->get_header_fields( CHANGING fields = lt_header ).
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DATA lt_param TYPE tihttpnvp.
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server->request->get_form_fields( CHANGING fields = lt_param ).
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z2ui5_cl_http_handler=>client = VALUE #(
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t_header = lt_header
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t_param = lt_param
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body = server->request->get_cdata( ) ).
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DATA(lv_resp) = SWITCH #( server->request->get_method( )
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WHEN 'GET' THEN z2ui5_cl_http_handler=>main_index_html( )
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WHEN 'POST' THEN z2ui5_cl_http_handler=>main_roundtrip( ) ).
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server->response->set_cdata( lv_resp ).
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server->response->set_status( code = 200 reason = 'success' ).
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ENDMETHOD.
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```
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## FAQ
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* read these [instructions](https://github.com/oblomov-dev/ABAP2UI5/wiki/First-App) when you develop your first app<br>
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* running into problems with your app? see [debugging & troubleshooting](https://github.com/oblomov-dev/ABAP2UI5/wiki/Debugging-&-Troubleshooting)
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* take a look at the [wiki](https://github.com/oblomov-dev/ABAP2UI5/wiki) for instructions on setting up the theme, bootstrapping, title, etc.
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* as always - your comments, questions, wishes and bugs are welcome, please create an [issue](https://github.com/oblomov-dev/ABAP2UI5/issues)
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