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  • FOLDER

    一、建noTab的Folder Form:
    1.创建数据库对象:
      create table  和相应的view。

    2.基于模板Template.fmb创建一个新的Form:****.fmb
      添加一个Library:APPFLDR.pll(目录:$AU_TOP/Resource;打开后,系统询问是否去掉绝对路径,选择YES)
      再打开APPSTAND.fmb:将其中的对象组STANDARD_FOLDER拖到自己的FORM中,选择Subclass

    3.添加窗口 window:
      设置属性:Subclass information:WINDOW

    4.添加画布:MAIN(内容画布) 和 CANVAS(堆叠画布)
       MAIN的type为content ;
       CANVAS的type为stacked
               subclass:canvas_Stacked

    5.添加数据块:block(基于数据库)、 block_prompt(放Title)
      设置对应属性:subclass都为BLOCK
                    画布block :Number of Records Displayed--8
                                ShowScrolbar--YES
                                Scrollbar Canvas-- MAIN 设置滚动条显示的画布
    ========== 以下对数据块block:======
    6.添加触发器:
      对数据块block:添加支持FOLDER的Block级的Trigger:
      PRE-QUERY -- app_folder.event('PRE-QUERY');
      POST-QUERY -- app_folder.event('POST-QUERY');
                    app_globe.event('POST-QUERY');
      WHEN-NEW-BLOCK-INSTANCE    app_folder.event('WHEN-NEW-BLOCK-INSTANCE');
      WHEN-NEW-RECORD-INSTANCE   app_folder.event('WHEN-NEW-RECORD-INSTANCE');
    app_folder.event('KEY-PREV-ITEM');          
    app_folder.event('KEY-NEXT-ITEM');
    app_folder.event('KEY-PRVREC');
    app_folder.event('KEY-NXTREC');
    app_folder.event('KEY-CLRREC');
    app_folder.event('KEY-EXEQRY');
    app_folder.event('KEY-ENTQRY');
    app_folder.event('PRE-BLOCK');
    app_folder.event('POST-BLOCK');
    app_folder.event('KEY-CLRBLK');
    pre-insert    fnd_standard.set_who;
    7.添加ITEM: Folder_Switcher and CURRENT_RECORD_indicator
      注:这两个item要放置在块的最上面。
      设置属性:SWITCHER:
                item type:TEXT ITEM
                SUBCLASS : SWITCHER
                VISIBLE : yes
                canvas   :显示在堆叠画布CANVAS
                PROMPT   : 空
           ------------------------------
                indicator:
                ITEM TYPE: TEXT ITEM
                SUBCLASS : CURRENT_RECORD_INDICATOR
                VISIBLE  : YES
                CANVAS   : 显示在内容画布MAIN
                PROMPT   : 空
    ========== 以下对数据块block_prompt:======
    8.添加6个FOLDER特有的Item
    注:放在block中的下方,顺序为:by321 dummy title open
                    itemtype      subclass     visible      canvas
    FOLDER_OPEN :    push        folder_open     yes         MAIN
    FOLDER_TITLE:   Display     dynamic_title    yes         MAIN
    FOLDER_DUMMY:    TEXT        FOLDER_DUMMY    YES        TOOLBAR
    ORDER_BY1:       PUSH        FOLDER_ORDERBY   NO         CANVAS
    ORDER_BY2:       push        FOLDER_ORDERBY   no         canvas
    ORDER_BY3:      push        FOLDER_ORDERBY   NO         CANVAS

    9.添加与基于数据库的block中的要显示的item对应的用于显示title的item
    注:必须与之同名,宽度必须一致,且在block中的上下顺序一致。
      设置属性:ITEMtype : Display Item
                subclass : FOLDER_PROMPT_MULTIROW
                InitialValue:需要显示的名称
    10.更改App_custom Package 中的一些代码:
       将wnd='****' ---改为自己的窗口名:WINDOW
               
    11.更改Form级Trigger
       pre-form: app_window.set_window_position('WINDOW','FISRT_WINDOW');--是显示的第一个窗口
    12.设置窗口的primary Canvas 为 主画布MAIN

    13.添加PACKAGE: Form_pkg
    ===============================================================
    PACKAGE BODY Form_pkg IS
       procedure  new_form_instance is
    begin

       --定义Folder
         app_folder.define_folder_block('Cup_ORDER_4040_2',--客户化自定义名
        'block',--folder_block_name
        'block_prompt',--prompt_block_name
         'canvas',--folder_canvas_name
         'window',--folder_window_name
          null,--disabled_functions
          null,--tab_canvas_name
           null);--fixed_canvas_name
        app_folder.event('INSTANTIATE');
      SYNCHRONIZE;
       end;
    END;

    ================================
    14.更改Form级trigger
     
    when-new-form-instance :
    FDRCSID('$Header: TRNORD4040.fmb 120.0 2005/05/06 23:25  appldev ship                                                                                                                                                                                                                                                                    $');
    APP_STANDARD.EVENT('WHEN-NEW-FORM-INSTANCE');
    form_pkg.new_form_instance;
     
    folder_action:  
    app_folder.event(:global.folder_action);
     
    when-window-resized: 
    if :system.event_window in ('ORDER_MAIN') then
      app_folder.event('WHEN-WINDOW-RESIZED');
    end if;

    key-CLRFRM :
    APP_STANDARD.EVENT('KEY-CLRFRM');
    app_folder.event('KEY-CLRFRM');

       更改Item级trigger
    folder_switcher:  when-new-item-instance : app_folder_move_cursor('1');
    current_record_indicator:   when-new-item-instance:  app_folder_move_cursor('1');

    二、建有Tab的Folder Form:

    *与非tab不同之处:
    1.固定列不再放在内容画布上,而是放在子类型为canvas_stacked_fix_field的堆叠画布上
    2.API定义Folder时的参数不同,需指定:tab_canvas_name,fixed_canvas_name 两个参数


    *建Tab的Folder Form:
    1.创建数据库对象:
      create table  和相应的view。

    2.基于模板Template.fmb创建一个新的Form:****.fmb
      添加一个Library:APPFLDR.pll(目录:$AU_TOP/Resource;打开后,系统询问是否去掉绝对路径,选择YES)
      再打开APPSTAND.fmb:将其中的对象组STANDARD_FOLDER拖到自己的FORM中,选择Subclass

    3.添加窗口 window:
      设置属性:Subclass information:WINDOW

    4.添加画布:MAIN(内容画布) 和 CANVAS(堆叠画布)
       CANVAS的subclass:canvas_Stacked
      添加Tab类型的画布MAIN_Tab
      设置属性:CanvasType: Tab 
                subclass  :TAB_CANVAS
                VISIBLE   : YES
                WINDOW    :window
      对标签页设置label(显示标题) 、设置subclass为TAB_PAGE


    5.添加数据库:block(基于数据库)、 block_prompt(放Title)
      设置对应属性:subclass都为BLOCK
                    画布block :Number of Records Displayed--8
                                ShowScrolbar--YES
                                Scrollbar Canvas-- ***FIX 设置垂直滚动条显示的画布(为fix画布)
    ========== 以下对数据块block:======
    6.添加触发器:
      对数据块block:添加支持FOLDER的Block级的Trigger:
      PRE-QUERY -- app_folder.event('PRE-QUERY');
      POST-QUERY -- app_folder.event('POST-QUERY');
                    app_globe.event('POST-QUERY');
      WHEN-NEW-BLOCK-INSTANCE    app_folder.event('WHEN-NEW-BLOCK-INSTANCE');
      WHEN-NEW-RECORD-INSTANCE   app_folder.event('WHEN-NEW-RECORD-INSTANCE');
    app_folder.event('KEY-PREV-ITEM');          
    app_folder.event('KEY-NEXT-ITEM');
    app_folder.event('KEY-PRVREC');
    app_folder.event('KEY-NXTREC');
    app_folder.event('KEY-CLRREC');
    app_folder.event('KEY-EXEQRY');
    app_folder.event('KEY-ENTQRY');
    app_folder.event('PRE-BLOCK');
    app_folder.event('POST-BLOCK');
    app_folder.event('KEY-CLRBLK');
     fnd_standard.set_who;
    7.添加ITEM: Folder_Switcher and CURRENT_RECORD_indicator
      注:这两个item要放置在块的最上面。
      设置属性:SWITCHER:
                item type:TEXT ITEM
                SUBCLASS : SWITCHER
                VISIBLE : yes
                canvas   :显示在堆叠画布CANVAS
                PROMPT   : 空
           ------------------------------
                indicator:
                ITEM TYPE: TEXT ITEM
                SUBCLASS : CURRENT_RECORD_INDICATOR
                VISIBLE  : YES
                CANVAS   : 显示在内容画布MAIN
                PROMPT   : 空
    ========== 以下对数据块block_prompt:======
    8.添加6个FOLDER特有的Item
    注:放在block中的下方,顺序为:by321 dummy title open
                    itemtype      subclass     visible      canvas
    FOLDER_OPEN :    push        folder_open     yes         MAIN---改为fix
    FOLDER_TITLE:   Display     dynamic_title    yes         MAIN---改为fix
    FOLDER_DUMMY:    TEXT        FOLDER_DUMMY    YES        TOOLBAR
    ORDER_BY1:       PUSH        FOLDER_ORDERBY   NO         CANVAS--更改为fix
    ORDER_BY2:       push        FOLDER_ORDERBY   no         canvas
    ORDER_BY3:      push        FOLDER_ORDERBY   NO         CANVAS

    9.添加与基于数据库的block中的要显示的item对应的用于显示title的item
    注:必须与之同名,宽度必须一致,且在block中的上下顺序一致。
      设置属性:ITEMtype : Display Item
                subclass : FOLDER_PROMPT_MULTIROW
                InitialValue:需要显示的名称
    10.更改App_custom Package 中的一些代码:
       将wnd='****' ---改为自己的窗口名:WINDOW
               
    11.更改Form级Trigger
       pre-form: app_window.set_window_position('WINDOW','FISRT_WINDOW');--是显示的第一个窗口
    12.设置窗口的primary Canvas 为 主画布MAIN

    13.添加PACKAGE: Form_pkg
    ===============================================================
    PACKAGE BODY Form_pkg IS
    ---------------------------
       procedure  new_form_instance is
    begin

       --定义TabFolder
       app_folder.define_folder_block('Cup_ORDER_4040_2',
        'ORDER_LINES',--folder_block_name
        'ORDER_LINES_PROMPT',--prompt_block_name
         'ORDER_CREATE_PROMPT,ORDER_CREATE_PROMPT_ADDITION',--folder_canvas_name
         'ORDER_TAB',--folder_window_name
          null,--disabled_functions
          'MAIN_TAB',--tab_canvas_name
           'FIX');--fixed_canvas_name
        app_folder.event('INSTANTIATE');
      SYNCHRONIZE;
       end;

    ----------------------------------
    /*隐藏标签页*/  
        PROCEDURE hide_main_tab( p_tab_name  varchar2) IS 
    BEGIN
     IF p_tab_name = 'ORDER_CREATE_PROMPT' THEN
       hide_view('ORDER_CREATE_PROMPT_ADDITION'); 
     ELSIF p_tab_name = 'ORDER_CREATE_PROMPT_ADDITION' THEN  
       hide_view('ORDER_CREATE_PROMPT');
     END IF;
    END hide_main_tab;
    ----------------------------------
    /*定位光标*/ 
        PROCEDURE go_tab_first_item(p_tab_name  varchar2) IS
    BEGIN
     IF p_tab_name = 'ORDER_CREATE_PROMPT'  THEN
      go_item('ORDER_LINES.ITEM_NUMBER');
     ELSIF p_tab_name = 'ORDER_CREATE_PROMPT_ADDITION' then
      go_item('ORDER_LINES.ADDITION1');
     END IF;
    END go_tab_first_item;
    ----------------------------------
    /*显示标签页*/
        PROCEDURE show_main_tab( p_tab_name  varchar2) is 
    begin
     IF p_tab_name = 'ORDER_CREATE_PROMPT'  THEN
      show_view('ORDER_CREATE_PROMPT');
      show_view('FIX');
      ELSIF p_tab_name = 'ORDER_CREATE_PROMPT_ADDITION' THEN
      show_view('ORDER_CREATE_PROMPT_ADDITION'); 
      show_view('FIX');    
     end if;
    END show_main_tab;
    ----------------------------------
    /*当切换tab页*/
    PROCEDURE when_tab_page_changed is
        new_tab varchar2(30) := :system.tab_new_page;
        prev_tab varchar2(30) := :system.tab_previous_page;
    begin
          hide_main_tab(prev_tab);
          show_main_tab(new_tab);
          go_tab_first_item(new_tab);
    end when_tab_page_changed;
    ----------------------------------
    /*当隐藏item,不能隐藏第一个item*/
    PROCEDURE folder_return_action is
    BEGIN
     IF(:global.folder_action = 'CONFIRM-HIDE-FIELD') THEN
      IF :global.folder_field = 'ADDITION1' THEN
       :global.folder_action_allowed := 'FALSE';
      elsif :global.folder_field='ITEM_NUMBER' then
       :global.folder_action_allowed := 'FALSE';
      END IF;
     ELSIF (:global.folder_action = 'SET-WHERE-CLAUSE') THEN
      --:global.folder_action_allowed := 'FALSE';
      null;
      END IF;
    END folder_return_action;
    ----------------------------------

    /*When_New_Item_Instance */
    PROCEDURE When_New_Item_Instance IS
     
      curr_canvas_name Varchar2(30) := get_item_property(Name_In('SYSTEM.CURSOR_ITEM'),item_canvas);
     
      current_tab varchar2(30)      := get_canvas_property('MAIN_TAB',topmost_tab_page);
      tab_canvas_name    Varchar2(30) := Name_In('SYSTEM.EVENT_CANVAS');
    Begin     

     
     IF curr_canvas_name in ('ORDER_CREATE_PROMPT','ORDER_CREATE_PROMPT_ADDITION') THEN
        IF curr_canvas_name != current_tab THEN
          set_canvas_property('MAIN_TAB', topmost_tab_page, curr_canvas_name);
        END IF;
     END IF;

    END When_New_Item_Instance;
    ----------------------------------
       
    END;

    ================================
    14.更改Form级trigger
     
    when-new-form-instance :
    FDRCSID('$Header: TRNORD4040.fmb 120.0 2005/05/06 23:25  appldev ship                                                                                                                                                                                                                                                                    $');
    APP_STANDARD.EVENT('WHEN-NEW-FORM-INSTANCE');
    form_pkg.new_form_instance;
     
    folder_action:  
    app_folder.event(:global.folder_action);
     
    when-window-resized: 
    if :system.event_window in ('ORDER_MAIN') then
      app_folder.event('WHEN-WINDOW-RESIZED');
    end if;

    key-CLRFRM :
    APP_STANDARD.EVENT('KEY-CLRFRM');
    app_folder.event('KEY-CLRFRM');

    Folder_return_action: form_pkg.folder_return_action;


    添加:when-tab-page-changed: form_pkg.when_tab_page_changed;

       更改Item级trigger
    folder_switcher:  when-new-item-instance : app_folder_move_cursor('1');
    current_record_indicator:   when-new-item-instance:  app_folder_move_cursor('1');


       更改block级trigger:--解决TAB键在各个item之间导航时,tab页不变的问题
    when-new-item-instance:form_pkg.when_new_item_instance;

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  • 原文地址:https://www.cnblogs.com/shuihaya/p/11996458.html
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