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选择屏幕上的GUI按钮

2011-01-07 16:31:34| 分类： ABAP屏幕操作 | 标签： |举报 |字号大中小订阅

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sap的选择屏幕的标准工具栏上系统预先定义了5个按钮，他们对应的功能码是fc01-fc05，默认是不激活的。
用户可以使用selection-screen function key i.
来激活这5个按钮（这里的i必须是1-5）,
这五个按钮的文本放在sscrfields的对应的functxt_0i中。
当用户按下按钮时，系统将触发at selection-screen 事件,
并将功能码放到sscrfields的ucomm字段中。

*-------------------------------- 例一 ------------------------------
report  z_barry_test message-id oo.

TABLES: sscrfields.

PARAMETERS p_date LIKE sy-datum DEFAULT '20080403' OBLIGATORY.
SELECT-OPTIONS s_date FOR sy-datum DEFAULT '20080506' TO '20080607'.

SELECTION-SCREEN FUNCTION KEY 1.

INITIALIZATION.
  sscrfields-functxt_01 = '@4D@  清空'."也可以是‘@4A@’等  运行程序SHOWICON可看到所有

AT SELECTION-SCREEN.
  CASE sy-ucomm .
    WHEN 'FC01'.
      CLEAR p_date.
      CLEAR: s_date,s_date[].
  ENDCASE.

*------------------------------- 例二 -------------------------------
  REPORT demo_sel_screen_function_key.

  TABLES sscrfields. "定义工作区

  PARAMETERS: p_carrid TYPE s_carr_id,
  p_cityfr TYPE s_from_cit.

  SELECTION-SCREEN: FUNCTION KEY 1, "激活按钮
  FUNCTION KEY 2.

INITIALIZATION.
  sscrfields-functxt_01 = 'UI'. "定义按钮文本
  sscrfields-functxt_02 = 'Expand'.

AT SELECTION-SCREEN.
  CASE sscrfields-ucomm. "处理按钮命令
      WHEN'FC01'.
      p_carrid = 'LH'.
      p_cityfr = 'Frankfurt'.
    WHEN 'FC02'.
      p_carrid = 'UA'.
      p_cityfr = 'Chicago'.
  ENDCASE.

START-OF-SELECTION.
  WRITE / 'START-OF-SELECTION'.

*---------------------------------- 例三 ------------------------------
  REPORT demo_sel_screen_function_key.
  TYPE-POOLS icon.
  TABLES sscrfields.
  DATA functxt TYPE smp_dyntxt.

  PARAMETER p_matnr TYPE mara-matnr.
  SELECTION-SCREEN BEGIN OF BLOCK blk WITH FRAME.
  PARAMETER  p_test TYPE marc-werks MODIF ID m1.
  SELECTION-SCREEN END OF BLOCK blk.

  SELECTION-SCREEN FUNCTION KEY 1.

INITIALIZATION.
  functxt-text = 'Collapse'.
  functxt-icon_text = 'Collapse'.
  functxt-icon_id = icon_expand.
  sscrfields-functxt_01 = functxt.

AT SELECTION-SCREEN.
  CASE sscrfields-ucomm.
    WHEN 'FC01'.
      PERFORM f_change_functxt.
  ENDCASE.

AT SELECTION-SCREEN OUTPUT.
  PERFORM f_display USING functxt-icon_text.

*&---------------------------------------------------------------------*
*&      Form  f_change_functxt
*&---------------------------------------------------------------------*
FORM f_change_functxt.
  functxt = sscrfields-functxt_01.

  IF functxt-icon_text = 'Expand'.
    functxt-text = 'Collapse'.
    functxt-icon_text = 'Collapse'.
    functxt-icon_id = icon_collapse.
    sscrfields-functxt_01 = functxt.
  ELSE.
    functxt-text = 'Expand'.
    functxt-icon_text = 'Expand'.
    functxt-icon_id = icon_expand.
    sscrfields-functxt_01 = functxt.
  ENDIF.
ENDFORM.                    "f_change_functxt

*&---------------------------------------------------------------------*
*&      Form  f_display
*&---------------------------------------------------------------------*
FORM f_display USING p_action.
  LOOP AT SCREEN.
    IF screen-group1 = 'M1'.
      IF p_action = 'Expand'.
        screen-active = '1'.
      ELSE.
        screen-active = '0'.
      ENDIF.
      MODIFY SCREEN.
    ENDIF.
  ENDLOOP.
ENDFORM.                    "f_display

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<#--最新日志，群博日志--> <#--推荐日志-->

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<#--引用记录--> <#--博主推荐--> <#--随机阅读--> <#--首页推荐--> <#--历史上的今天--> <#--被推荐日志--> <#--上一篇，下一篇--> <#-- 热度 -->

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<#-- 网易新闻广告 --> <#--右边模块结构--> <#--评论模块结构--> <#--引用模块结构--> <#--博主发起的投票-->

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