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abapGit/src/zabapgit_html.prog.abap
sbcgua ab706e6d6b remove "menu_end" logic, moved to CSS
2017-01-12 17:28:03 +02:00

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*&---------------------------------------------------------------------*
*& Include ZABAPGIT_HTML
*&---------------------------------------------------------------------*
DEFINE _add.
ro_html->add( &1 ) ##NO_TEXT.
END-OF-DEFINITION.
*----------------------------------------------------------------------*
* CLASS lcl_html DEFINITION
*----------------------------------------------------------------------*
CLASS lcl_html DEFINITION FINAL.
PUBLIC SECTION.
CONSTANTS: c_indent_size TYPE i VALUE 2.
DATA mv_html TYPE string READ-ONLY.
DATA mv_indent TYPE i READ-ONLY.
DATA mv_within_style TYPE i READ-ONLY.
DATA mv_within_js TYPE i READ-ONLY.
METHODS add IMPORTING iv_chunk TYPE any.
METHODS reset.
METHODS add_a IMPORTING iv_txt TYPE string
iv_act TYPE string
iv_typ TYPE char1 DEFAULT gc_action_type-sapevent
iv_opt TYPE clike OPTIONAL
iv_class TYPE string OPTIONAL
iv_id TYPE string OPTIONAL
iv_style TYPE string OPTIONAL.
METHODS add_icon IMPORTING iv_name TYPE string
iv_hint TYPE string OPTIONAL
iv_alt TYPE string OPTIONAL
iv_class TYPE string OPTIONAL.
CLASS-METHODS a IMPORTING iv_txt TYPE string
iv_act TYPE string
iv_typ TYPE char1 DEFAULT gc_action_type-sapevent
iv_opt TYPE clike OPTIONAL
iv_class TYPE string OPTIONAL
iv_id TYPE string OPTIONAL
iv_style TYPE string OPTIONAL
RETURNING VALUE(rv_str) TYPE string.
CLASS-METHODS icon IMPORTING iv_name TYPE string
iv_hint TYPE string OPTIONAL
iv_alt TYPE string OPTIONAL
iv_class TYPE string OPTIONAL
RETURNING VALUE(rv_str) TYPE string.
PRIVATE SECTION.
METHODS _add_str IMPORTING iv_str TYPE csequence.
METHODS _add_htm IMPORTING io_html TYPE REF TO lcl_html.
ENDCLASS. "lcl_html DEFINITION
*----------------------------------------------------------------------*
* CLASS lcl_html IMPLEMENTATION
*----------------------------------------------------------------------*
CLASS lcl_html IMPLEMENTATION.
METHOD add.
DATA lo_type TYPE REF TO cl_abap_typedescr.
DATA lo_html TYPE REF TO lcl_html.
lo_type = cl_abap_typedescr=>describe_by_data( iv_chunk ).
CASE lo_type->type_kind.
WHEN cl_abap_typedescr=>typekind_char
OR cl_abap_typedescr=>typekind_string.
IF strlen( iv_chunk ) = 0.
RETURN.
ENDIF.
_add_str( iv_chunk ).
WHEN cl_abap_typedescr=>typekind_oref.
ASSERT iv_chunk IS BOUND. " Dev mistake
TRY.
lo_html ?= iv_chunk.
CATCH cx_sy_move_cast_error.
ASSERT 1 = 0. " Dev mistake
ENDTRY.
_add_htm( lo_html ).
WHEN OTHERS.
ASSERT 1 = 0. " Dev mistake
ENDCASE.
ENDMETHOD. " add
METHOD reset.
CLEAR: me->mv_html, me->mv_indent.
ENDMETHOD. "reset
METHOD _add_str.
CONSTANTS lc_single_tags_re TYPE string " HTML5 singleton tags
VALUE '<(area|base|br|col|command|embed|hr|img|input|link|meta|param|source|!)'.
DATA lv_tags TYPE i.
DATA lv_tags_open TYPE i.
DATA lv_tags_close TYPE i.
DATA lv_tags_single TYPE i.
DATA lv_close_offs TYPE i.
DATA lv_shift_back TYPE i.
DATA lv_style_tag_open TYPE i.
DATA lv_style_tag_close TYPE i.
DATA lv_js_tag_open TYPE i.
DATA lv_js_tag_close TYPE i.
DATA lv_curly TYPE i.
FIND FIRST OCCURRENCE OF '</' IN iv_str MATCH OFFSET lv_close_offs.
IF sy-subrc = 0 AND lv_close_offs = 0 AND mv_indent > 0. " Found close tag @beginning
lv_shift_back = 1.
ENDIF.
FIND FIRST OCCURRENCE OF '}' IN iv_str MATCH OFFSET lv_close_offs. " Find close } @beginning
IF ( mv_within_style > 0 OR mv_within_js > 0 )
AND sy-subrc = 0 AND lv_close_offs = 0 AND mv_indent > 0.
lv_shift_back = 1.
ENDIF.
mv_html = mv_html
&& repeat( val = ` ` occ = ( mv_indent - lv_shift_back ) * c_indent_size )
&& iv_str
&& gc_newline.
FIND ALL OCCURRENCES OF '<' IN iv_str MATCH COUNT lv_tags.
FIND ALL OCCURRENCES OF '</' IN iv_str MATCH COUNT lv_tags_close.
FIND ALL OCCURRENCES OF REGEX lc_single_tags_re IN iv_str MATCH COUNT lv_tags_single.
lv_tags_open = lv_tags - lv_tags_close - lv_tags_single.
FIND ALL OCCURRENCES OF '<style' IN iv_str MATCH COUNT lv_style_tag_open IGNORING CASE.
FIND ALL OCCURRENCES OF '</style>' IN iv_str MATCH COUNT lv_style_tag_close IGNORING CASE.
mv_within_style = mv_within_style + lv_style_tag_open - lv_style_tag_close.
FIND ALL OCCURRENCES OF '<script' IN iv_str MATCH COUNT lv_js_tag_open IGNORING CASE.
FIND ALL OCCURRENCES OF '</script>' IN iv_str MATCH COUNT lv_js_tag_close IGNORING CASE.
mv_within_js = mv_within_js + lv_js_tag_open - lv_js_tag_close.
IF mv_within_style > 0 OR mv_within_js > 0.
FIND ALL OCCURRENCES OF '{' IN iv_str MATCH COUNT lv_curly.
lv_tags_open = lv_tags_open + lv_curly.
FIND ALL OCCURRENCES OF '}' IN iv_str MATCH COUNT lv_curly.
lv_tags_close = lv_tags_close + lv_curly.
ENDIF.
" More-less logic chosen due to possible double tags in a line '<a><b>'
IF lv_tags_open > lv_tags_close.
mv_indent = mv_indent + 1.
ELSEIF lv_tags_open < lv_tags_close AND mv_indent > 0.
mv_indent = mv_indent - 1.
ENDIF.
ENDMETHOD. "_add_str
METHOD _add_htm.
DATA lt_strtab TYPE TABLE OF string.
DATA lv_str TYPE string.
SPLIT io_html->mv_html AT gc_newline INTO TABLE lt_strtab.
LOOP AT lt_strtab INTO lv_str.
SHIFT lv_str LEFT DELETING LEADING space.
_add_str( lv_str ).
ENDLOOP.
ENDMETHOD. "_add_htm
METHOD add_a.
_add_str( a( iv_txt = iv_txt
iv_act = iv_act
iv_typ = iv_typ
iv_opt = iv_opt
iv_class = iv_class
iv_id = iv_id
iv_style = iv_style ) ).
ENDMETHOD. "add_a
METHOD a.
DATA: lv_class TYPE string,
lv_href TYPE string,
lv_id TYPE string,
lv_style TYPE string.
lv_class = iv_class.
IF iv_opt CA gc_html_opt-strong.
lv_class = lv_class && ' emphasis' ##NO_TEXT.
ENDIF.
IF iv_opt CA gc_html_opt-cancel.
lv_class = lv_class && ' attention' ##NO_TEXT.
ENDIF.
IF iv_opt CA gc_html_opt-crossout.
lv_class = lv_class && ' crossout grey' ##NO_TEXT.
ENDIF.
IF lv_class IS NOT INITIAL.
SHIFT lv_class LEFT DELETING LEADING space.
lv_class = | class="{ lv_class }"|.
ENDIF.
IF iv_act IS NOT INITIAL.
CASE iv_typ.
WHEN gc_action_type-url.
lv_href = | href="{ iv_act }"|.
WHEN gc_action_type-sapevent.
lv_href = | href="sapevent:{ iv_act }"|.
WHEN gc_action_type-onclick.
lv_href = | onclick="{ iv_act }"|.
ENDCASE.
ENDIF.
IF iv_id IS NOT INITIAL.
lv_id = | id="{ iv_id }"|.
ENDIF.
IF iv_style IS NOT INITIAL.
lv_style = | style="{ iv_style }"|.
ENDIF.
rv_str = |<a{ lv_id }{ lv_class }{ lv_href }{ lv_style }>{ iv_txt }</a>|.
ENDMETHOD. "a
METHOD add_icon.
_add_str( icon( iv_name = iv_name
iv_class = iv_class
iv_alt = iv_alt
iv_hint = iv_hint ) ).
ENDMETHOD. "add_icon
METHOD icon.
DATA: lv_hint TYPE string,
lv_name TYPE string,
lv_color TYPE string,
lv_class TYPE string.
SPLIT iv_name AT '/' INTO lv_name lv_color.
IF iv_hint IS NOT INITIAL.
lv_hint = | title="{ iv_hint }"|.
ENDIF.
IF iv_class IS NOT INITIAL.
lv_class = | { iv_class }|.
ENDIF.
IF lv_color IS NOT INITIAL.
lv_color = | { lv_color }|.
ENDIF.
rv_str = |<i class="octicon octicon-{ lv_name }{ lv_color }{ lv_class }"{ lv_hint }></i>|.
ENDMETHOD. "icon
ENDCLASS. "lcl_html IMPLEMENTATION
*----------------------------------------------------------------------*
* CLASS lcl_html_toolbar DEFINITION
*----------------------------------------------------------------------*
CLASS lcl_html_toolbar DEFINITION FINAL.
PUBLIC SECTION.
METHODS:
add
IMPORTING
iv_txt TYPE string
io_sub TYPE REF TO lcl_html_toolbar OPTIONAL
iv_act TYPE string OPTIONAL
iv_ico TYPE string OPTIONAL
iv_opt TYPE c OPTIONAL
iv_typ TYPE c DEFAULT gc_action_type-sapevent,
count
RETURNING VALUE(rv_count) TYPE i,
render
IMPORTING
iv_as_droplist_with_label TYPE string OPTIONAL
iv_no_separator TYPE abap_bool OPTIONAL
iv_vertical TYPE abap_bool OPTIONAL
iv_sort TYPE abap_bool OPTIONAL
iv_as_angle TYPE abap_bool OPTIONAL
iv_with_icons TYPE abap_bool OPTIONAL
iv_add_minizone TYPE abap_bool OPTIONAL
RETURNING
VALUE(ro_html) TYPE REF TO lcl_html.
PRIVATE SECTION.
TYPES: BEGIN OF ty_item,
txt TYPE string,
act TYPE string,
ico TYPE string,
sub TYPE REF TO lcl_html_toolbar,
opt TYPE char1,
typ TYPE char1,
END OF ty_item.
TYPES tt_items TYPE STANDARD TABLE OF ty_item.
DATA mt_items TYPE tt_items.
ENDCLASS. "lcl_html_toolbar DEFINITION
*----------------------------------------------------------------------*
* CLASS lcl_html_toolbar IMPLEMENTATION
*----------------------------------------------------------------------*
CLASS lcl_html_toolbar IMPLEMENTATION.
METHOD count.
rv_count = lines( mt_items ).
ENDMETHOD.
METHOD add.
DATA ls_item TYPE ty_item.
ASSERT iv_act IS INITIAL AND io_sub IS NOT INITIAL
OR iv_act IS NOT INITIAL AND io_sub IS INITIAL. " Only one supplied
ls_item-txt = iv_txt.
ls_item-act = iv_act.
ls_item-ico = iv_ico.
ls_item-sub = io_sub.
ls_item-opt = iv_opt.
ls_item-typ = iv_typ.
APPEND ls_item TO mt_items.
ENDMETHOD. "add
METHOD render. "TODO refactor
DATA: lv_class TYPE string,
lv_is_drop TYPE abap_bool.
FIELD-SYMBOLS <ls_item> LIKE LINE OF mt_items.
CREATE OBJECT ro_html.
lv_is_drop = boolc( iv_as_droplist_with_label IS NOT INITIAL OR iv_as_angle IS NOT INITIAL ).
IF lv_is_drop = abap_false. " Normal menu
IF iv_vertical = abap_true.
lv_class = 'menu_vertical' ##NO_TEXT.
ELSE.
lv_class = 'menu' ##NO_TEXT.
ENDIF.
ELSEIF iv_as_angle IS NOT INITIAL.
lv_class = 'dropdown dropdown_angle' ##NO_TEXT.
ELSE.
lv_class = 'dropdown' ##NO_TEXT.
ENDIF.
ro_html->add( |<div class="{ lv_class }">| ).
IF lv_is_drop = abap_true. " Dropdown
IF iv_as_angle = abap_true.
ro_html->add( '<div class="dropbtn_angle"></div>' ).
ELSE.
ro_html->add_a( iv_txt = iv_as_droplist_with_label
iv_class = 'dropbtn'
iv_act = '' ).
ENDIF.
IF iv_add_minizone = abap_true.
ro_html->add( '<div class="minizone"></div>' ).
ENDIF.
ro_html->add( '<div class="dropdown_content">' ).
ro_html->add( '<div class="box">' ).
ENDIF.
IF iv_sort = abap_true.
SORT mt_items BY txt ASCENDING AS TEXT.
ENDIF.
IF iv_with_icons = abap_true.
ro_html->add( '<table>' ).
ENDIF.
LOOP AT mt_items ASSIGNING <ls_item>.
IF <ls_item>-sub IS INITIAL.
IF iv_with_icons = abap_true.
ro_html->add( '<tr>' ).
ro_html->add( |<td class="icon">{ lcl_html=>icon( <ls_item>-ico ) }</td>| ).
ro_html->add( '<td class="text">' ).
ENDIF.
ro_html->add_a( iv_txt = <ls_item>-txt
iv_act = <ls_item>-act
iv_opt = <ls_item>-opt
iv_typ = <ls_item>-typ ).
IF iv_with_icons = abap_true.
ro_html->add( '</td>' ).
ro_html->add( '</tr>' ).
ENDIF.
ELSE.
ro_html->add( <ls_item>-sub->render( iv_as_droplist_with_label = <ls_item>-txt ) ).
ENDIF.
ENDLOOP.
IF iv_with_icons = abap_true.
ro_html->add( '</table>' ).
ENDIF.
IF lv_is_drop = abap_true. " Dropdown
ro_html->add( '</div>' ).
ro_html->add( '</div>' ).
ENDIF.
ro_html->add( '</div>' ).
ENDMETHOD. "render
ENDCLASS. "lcl_html_toolbar IMPLEMENTATION
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