Page menu provider for GUI page (and HOC) (#5860)

Co-authored-by: Marc Bernard <59966492+mbtools@users.noreply.github.com>

src/ui/zcl_abapgit_gui_page.clas.abap

@@ -24,6 +24,7 @@ CLASS zcl_abapgit_gui_page DEFINITION PUBLIC ABSTRACT
         page_layout TYPE string,
         page_title TYPE string,
         page_menu  TYPE REF TO zcl_abapgit_html_toolbar,
+        page_menu_provider TYPE REF TO zif_abapgit_gui_menu_provider,
       END OF  ty_control .
 
     DATA ms_control TYPE ty_control .
@@ -53,7 +54,9 @@ CLASS zcl_abapgit_gui_page DEFINITION PUBLIC ABSTRACT
         VALUE(ri_html) TYPE REF TO zif_abapgit_html .
     METHODS title
       RETURNING
-        VALUE(ri_html) TYPE REF TO zif_abapgit_html .
+        VALUE(ri_html) TYPE REF TO zif_abapgit_html
+      RAISING
+        zcx_abapgit_exception .
     METHODS footer
       IMPORTING
         !iv_time       TYPE ty_time
@@ -88,7 +91,7 @@ ENDCLASS.
 
 
 
-CLASS zcl_abapgit_gui_page IMPLEMENTATION.
+CLASS ZCL_ABAPGIT_GUI_PAGE IMPLEMENTATION.
 
 
   METHOD constructor.
@@ -264,6 +267,13 @@ CLASS zcl_abapgit_gui_page IMPLEMENTATION.
 
   METHOD title.
 
+    DATA lo_page_menu LIKE ms_control-page_menu.
+
+    lo_page_menu = ms_control-page_menu.
+    IF lo_page_menu IS NOT BOUND AND ms_control-page_menu_provider IS BOUND.
+      lo_page_menu = ms_control-page_menu_provider->get_menu( ).
+    ENDIF.
+
     CREATE OBJECT ri_html TYPE zcl_abapgit_html.
 
     ri_html->add( '<div id="header">' ).
@@ -275,9 +285,9 @@ CLASS zcl_abapgit_gui_page IMPLEMENTATION.
 
     ri_html->add( |<div class="page-title"><span class="spacer">&#x25BA;</span>{ ms_control-page_title }</div>| ).
 
-    IF ms_control-page_menu IS BOUND.
+    IF lo_page_menu IS BOUND.
       ri_html->add( '<div class="float-right">' ).
-      ri_html->add( ms_control-page_menu->render( iv_right = abap_true ) ).
+      ri_html->add( lo_page_menu->render( iv_right = abap_true ) ).
       ri_html->add( '</div>' ).
     ENDIF.
 

src/ui/zcl_abapgit_gui_page_hoc.clas.abap

@@ -11,6 +11,7 @@ CLASS zcl_abapgit_gui_page_hoc DEFINITION
         !ii_child_component TYPE REF TO zif_abapgit_gui_renderable
         !iv_page_title      TYPE string
         !io_page_menu       TYPE REF TO zcl_abapgit_html_toolbar OPTIONAL
+        !ii_page_menu_provider TYPE REF TO zif_abapgit_gui_menu_provider OPTIONAL
       RETURNING
         VALUE(ri_page_wrap) TYPE REF TO zif_abapgit_gui_renderable
       RAISING
@@ -27,7 +28,7 @@ ENDCLASS.
 
 
 
-CLASS zcl_abapgit_gui_page_hoc IMPLEMENTATION.
+CLASS ZCL_ABAPGIT_GUI_PAGE_HOC IMPLEMENTATION.
 
 
   METHOD create.
@@ -37,6 +38,7 @@ CLASS zcl_abapgit_gui_page_hoc IMPLEMENTATION.
     CREATE OBJECT lo_page.
     lo_page->ms_control-page_title = iv_page_title.
     lo_page->ms_control-page_menu  = io_page_menu.
+    lo_page->ms_control-page_menu_provider = ii_page_menu_provider.
     lo_page->mi_child = ii_child_component.
 
     ri_page_wrap = lo_page.

src/ui/zif_abapgit_gui_menu_provider.intf.abap

@@ -0,0 +1,10 @@
+INTERFACE zif_abapgit_gui_menu_provider
+  PUBLIC .
+
+  METHODS get_menu
+    RETURNING
+      VALUE(ro_toolbar) TYPE REF TO zcl_abapgit_html_toolbar
+    RAISING
+      zcx_abapgit_exception.
+
+ENDINTERFACE.

src/ui/zif_abapgit_gui_menu_provider.intf.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<abapGit version="v1.0.0" serializer="LCL_OBJECT_INTF" serializer_version="v1.0.0">
+ <asx:abap xmlns:asx="http://www.sap.com/abapxml" version="1.0">
+  <asx:values>
+   <VSEOINTERF>
+    <CLSNAME>ZIF_ABAPGIT_GUI_MENU_PROVIDER</CLSNAME>
+    <LANGU>E</LANGU>
+    <DESCRIPT>abapGit menu provider</DESCRIPT>
+    <EXPOSURE>2</EXPOSURE>
+    <STATE>1</STATE>
+    <UNICODE>X</UNICODE>
+   </VSEOINTERF>
+  </asx:values>
+ </asx:abap>
+</abapGit>