Fixed ShowDropDown Constant (#670)

Enable display of DropDownList when using inline value list

Co-authored-by: Lars Hvam <larshp@hotmail.com>

src/zcl_excel_writer_2007.clas.abap

@@ -3763,7 +3763,7 @@ METHOD create_xl_sheet.
         lc_xml_attr_allowblank         TYPE string VALUE 'allowBlank',
         lc_xml_attr_showinputmessage   TYPE string VALUE 'showInputMessage',
         lc_xml_attr_showerrormessage   TYPE string VALUE 'showErrorMessage',
-        lc_xml_attr_showdropdown       TYPE string VALUE 'showDropDown',
+        lc_xml_attr_showdropdown       TYPE string VALUE 'ShowDropDown', " 'showDropDown' does not work
         lc_xml_attr_errortitle         TYPE string VALUE 'errorTitle',
         lc_xml_attr_error              TYPE string VALUE 'error',
         lc_xml_attr_errorstyle         TYPE string VALUE 'errorStyle',

src/zdemo_excel45.prog.abap

@@ -0,0 +1,66 @@
+*&---------------------------------------------------------------------*
+*& Report  ZDEMO_EXCEL45
+*&
+*&---------------------------------------------------------------------*
+*&
+*&
+*&---------------------------------------------------------------------*
+REPORT zdemo_excel45.
+
+CONSTANTS:
+  gc_ws_title_validation TYPE zexcel_sheet_title VALUE 'Validation'.
+
+DATA:
+  lo_excel             TYPE REF TO zcl_excel,
+  lo_worksheet         TYPE REF TO zcl_excel_worksheet,
+  lo_range             TYPE REF TO zcl_excel_range,
+  lv_validation_string TYPE string,
+  lo_data_validation   TYPE REF TO zcl_excel_data_validation,
+  lv_row               TYPE zexcel_cell_row.
+
+
+CONSTANTS:
+  gc_save_file_name TYPE string VALUE '45_ShowDropdown.xlsx'.
+
+INCLUDE zdemo_excel_outputopt_incl.
+
+
+START-OF-SELECTION.
+
+*** Sheet Admin
+
+* Creates active sheet
+  CREATE OBJECT lo_excel.
+
+* Get active sheet
+  lo_worksheet = lo_excel->get_active_worksheet( ).
+
+* Set sheet name "Validation"
+  lo_worksheet->set_title( gc_ws_title_validation ).
+
+
+* short validations can be entered as string (<254Char)
+  lv_validation_string = '"New York, Rio, Tokyo"'.
+
+* create validation object
+  lo_data_validation = lo_worksheet->add_new_data_validation( ).
+
+* create new validation from validation string
+  lo_data_validation->type           = zcl_excel_data_validation=>c_type_list.
+  lo_data_validation->formula1       = lv_validation_string.
+  lo_data_validation->cell_row       = 2.
+  lo_data_validation->cell_row_to    = 4.
+  lo_data_validation->cell_column    = 'A'.
+  lo_data_validation->cell_column_to = 'A'.
+  lo_data_validation->allowblank     = 'X'.
+  lo_data_validation->showdropdown   = 'X'.
+
+* add some fields with validation
+  lv_row = 2.
+  WHILE lv_row <= 4.
+    lo_worksheet->set_cell( ip_row = lv_row ip_column = 'A' ip_value = 'Select' ).
+    lv_row = lv_row + 1.
+  ENDWHILE.
+
+*** Create output
+  lcl_output=>output( lo_excel ).

src/zdemo_excel45.prog.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<abapGit version="v1.0.0" serializer="LCL_OBJECT_PROG" serializer_version="v1.0.0">
+ <asx:abap xmlns:asx="http://www.sap.com/abapxml" version="1.0">
+  <asx:values>
+   <PROGDIR>
+    <NAME>ZDEMO_EXCEL45</NAME>
+    <SUBC>1</SUBC>
+    <RLOAD>E</RLOAD>
+    <FIXPT>X</FIXPT>
+    <UCCHECK>X</UCCHECK>
+   </PROGDIR>
+   <TPOOL>
+    <item>
+     <ID>R</ID>
+     <ENTRY>abap2xlsx Demo: Show Dropdown</ENTRY>
+     <LENGTH>29</LENGTH>
+    </item>
+   </TPOOL>
+  </asx:values>
+ </asx:abap>
+</abapGit>