Lock Tabs with Tab Control

Hi all,
I am working on a LabVIEW program with a tab control that creates five tabs with questions on each tab page. I would like to lock the tabs such that the user could not move on to the second tab by clicking on the next tab, but only by clicking on the correct answer to the question displayed on the tab. If that is not possible, I would like to at least lock the tabs so that the user could only move on to the next tab after a set unit of time, or that they were automatically directed to the next tab after that amount of time. I'd really appreciate any help that could be offered!
Thanks!
Lora

You could use an Event structure to detect when the user tries to move to a new tab and test for your conditions there.
Message Edited by jcarmody on 04-17-2009 08:03 PM
Jim
You're entirely bonkers. But I'll tell you a secret. All the best people are. ~ Alice
Attachments:
Example_VI_BD.png ‏5 KB
Untitled 1.vi ‏12 KB

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Hi All,
I have created a report program with the following code.
SELECTION-SCREEN BEGIN OF SCREEN 100 AS SUBSCREEN.
PARAMETERS: p1 TYPE c LENGTH 10.
SELECTION-SCREEN END OF SCREEN 100.
SELECTION-SCREEN BEGIN OF SCREEN 200 AS SUBSCREEN.
PARAMETERS: q1 TYPE c LENGTH 10.
SELECTION-SCREEN END OF SCREEN 200.
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                  END OF BLOCK mytab.
INITIALIZATION.
button1 = 'Selection Screen 1'.
button2 = 'Selection Screen 2'.
mytab-prog = sy-repid.
mytab-dynnr = 0100.
mytab-activetab = 'PUSH1'.
AT SELECTION-SCREEN.
CASE sy-dynnr.
    WHEN 1000.
      CASE sy-ucomm.
        WHEN 'PUSH1'.
          mytab-dynnr = 100.
        WHEN 'PUSH2'.
          mytab-dynnr = 200.
      ENDCASE.
ENDCASE.
Execute the program and click on the second tab-page. Now, click on the 'Execute' button or press F8 (there is no specific functionality coded here).
The issue now is that the first tab-page is displayed, instead of the second tab remaining displayed. I require the navigation to remain within the second tab-page after the EXECUTE button is clicked.
Could someone help me out with this issue?
Regards,
Dinup
Edited by: Dinup Sudhakaran on Feb 18, 2008 1:40 PM

Hi,
Go through below document with example code.
It will help you.
Tabstrip Controls on Selection Screens
As with screens, you can now use tabstrip controls on selection screens. To do this, you must define a tabstrip area and the associated tab pages, and assign a subscreen to the tab pages. You do not have to (indeed, cannot) declare the tabstrip control or program the screen flow logic in your ABAP program, since both are automatically generated.
To define a tabstrip area with tab pages, use the following statements in your selection screen definition:
SELECTION-SCREEN: BEGIN OF TABBED BLOCK <tab_area> FOR <n> LINES,
                  TAB (<len>) <tab1> USER-COMMAND <ucom1>
                              [DEFAULT [PROGRAM <prog>] SCREEN <scrn>],
                  TAB (<len>) <tab2> USER-COMMAND <ucom2>
                              [DEFAULT [PROGRAM <prog>] SCREEN <scrn>],
                  END OF BLOCK <tab_area>.
This defines a tabstrip control <tab_area> with size <n>. The tab pages <tab1>, <tab2> are assigned to the tab area. <len> defines the width of the tab title. You must assign a function code <ucom> area to each tab title. You can find out the function code from the field SY-UCOMM in the AT SELECTION-SCREEN event.
For each tab title, the system automatically creates a character field in the ABAP program with the same name. Before the selection screen is displayed, you can assign a text to the field. This then appears as the title of the corresponding tab page on the selection screen.
You must assign a subscreen to each tab title. This will be displayed in the tab area when the user chooses that title. You can assign one of the following as a subscreen:
A subscreen screen defined using the Screen Painter.
A selection screen subscreen, defined in an ABAP program.
You can make the assignment either statically in the program or dynamically at runtime. If, at runtime, one of the tab titles has no subscreen assigned, a runtime error occurs.
Static assignment
Use the DEFAULT addition when you define the tab title. You can specify an ABAP program and one of its subscreens. If you do not specify a program, the system looks for the subscreen in the current program. When the user chooses the tab title, it is activated, and the subscreen is assigned to the tabstrip area. The static assignment is valid for the entire duration of the program, but can be overwritten dynamically before the selection screen is displayed.
Dynamic assignment
For each tab area, the system automatically creates a structure in the ABAP program with the same name. This structure has three components PROG, DYNNR, and ACTIVETAB. When you assign the subscreens statically, the structure contains the name of the ABAP program containing the subscreen, the number of the subscreen, and the name of the tab title currently active on the selection screen (and to which these values are assigned). The default active tab page is the first page. You can assign values to the fields of the structure before the selection screen is displayed, and so set a subscreen dynamically.
If you assign a normal subscreen screen to a tab title, the dialog modules containing its flow logic must be defined in the current ABAP program. If the subscreen is a selection screen, user actions will trigger the AT SELECTION-SCREEN event and its variants (see Selection Screen Processing). This includes when the user chooses a tab title. If one selection screen is included on another, AT SELECTION-SCREEN will be triggered at least twice firstly for the "included" selection screen, then for the selection screen on which it appears.
REPORT demo_sel_screen_with_tabstrip.
DATA flag(1) TYPE c.
SUBSCREEN 1
SELECTION-SCREEN BEGIN OF SCREEN 100 AS SUBSCREEN.
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME.
PARAMETERS: p1(10) TYPE c,
            p2(10) TYPE c,
            p3(10) TYPE c.
SELECTION-SCREEN END OF BLOCK b1.
SELECTION-SCREEN END OF SCREEN 100.
SUBSCREEN 2
SELECTION-SCREEN BEGIN OF SCREEN 200 AS SUBSCREEN.
SELECTION-SCREEN BEGIN OF BLOCK b2 WITH FRAME.
PARAMETERS: q1(10) TYPE c OBLIGATORY,
            q2(10) TYPE c OBLIGATORY,
            q3(10) TYPE c OBLIGATORY.
SELECTION-SCREEN END OF BLOCK b2.
SELECTION-SCREEN END OF SCREEN 200.
STANDARD SELECTION SCREEN
SELECTION-SCREEN: BEGIN OF TABBED BLOCK mytab FOR 10 LINES,
                  TAB (20) button1 USER-COMMAND push1,
                  TAB (20) button2 USER-COMMAND push2,
                  TAB (20) button3 USER-COMMAND push3
                                   DEFAULT SCREEN 300,
                  END OF BLOCK mytab.
INITIALIZATION.
button1 = text-010.
button2 = text-020.
button3 = text-030.
mytab-prog = sy-repid.
mytab-dynnr = 100.
mytab-activetab = 'BUTTON1'.
AT SELECTION-SCREEN.
CASE sy-dynnr.
    WHEN 1000.
      CASE sy-ucomm.
        WHEN 'PUSH1'.
          mytab-dynnr = 100.
          mytab-activetab = 'BUTTON1'.
        WHEN 'PUSH2'.
          mytab-dynnr = 200.
          mytab-activetab = 'BUTTON2'.
      ENDCASE.
    WHEN 100.
      MESSAGE s888(sabapdocu) WITH text-040 sy-dynnr.
    WHEN 200.
      MESSAGE s888(sabapdocu) WITH text-040 sy-dynnr.
ENDCASE.
MODULE init_0100 OUTPUT.
LOOP AT SCREEN.
    IF screen-group1 = 'MOD'.
      CASE flag.
        WHEN 'X'.
          screen-input = '1'.
        WHEN ' '.
          screen-input = '0'.
      ENDCASE.
      MODIFY SCREEN.
    ENDIF.
ENDLOOP.
ENDMODULE.
MODULE user_command_0100 INPUT.
MESSAGE s888(sabapdocu) WITH text-050 sy-dynnr.
CASE sy-ucomm.
    WHEN 'TOGGLE'.
      IF flag = ' '.
        flag = 'X'.
      ELSEIF flag = 'X'.
        flag = ' '.
      ENDIF.
ENDCASE.
ENDMODULE.
START-OF-SELECTION.
WRITE: / 'P1:', p1,'Q1:', q1,
         / 'P2:', p2,'Q2:', q2,
         / 'P3:', p3,'Q3:', q3.
This program defines two selection screens 100 and 200, as subscreens, and places a tabstrip control area with three tab pages on the standard selection screen. A subscreen screen 300 (from the same program) is assigned statically to the third tab page.
The layout of screen 300 is:
The input/output fields P1 to Q3 are defined by using the parameters from the ABAP program The pushbutton has the function code TOGGLE.
The screen flow logic for screen 300 is as follows:
PROCESS BEFORE OUTPUT.
MODULE init_0100.
PROCESS AFTER INPUT.
MODULE user_command_0100.
Both dialog modules are defined in the ABAP program.
When you run the program, the standard selection screen appears. In the INITIALIZATION event, the texts are defined on the tab titles, the subscreen selection screen 100 is assigned to the tab area, and the first tab title is activated.
User actions on the selection screen are processed in the AT SELECTION-SCREEN event block. In particular, it is here that the subscreens are assigned and tab titles activated when the user chooses one of the first two tab titles. This is not necessary for the third tab title, since the dynamic assignment (screen 300) is always placed in the structure MYTAB when the user chooses it.
Before the subscreen screen is displayed, the PBO module INIT_100 is executed. User actions on the subscreen screen trigger the PAI module. This includes when the user chooses a tab title. After that, the AT SELECTION-SCREEN event is triggered.
Messages in the status line show where an action has been processed.

Item Level Security not working with Tabs

I've Portal 9.0.2.2.22
This issue is with Item Level Security with Tabs. Here is what I've have:
Page Group: MyPagegroup (Privs: portal => Manage All)
Page: MyTestPage (Privs: portal => Manage All,
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There is a tab called MyTab on page MyTestPage which has two items (simple images) image1 and image2. The tab's access privs have been set NOT to inherit from the page. The public check box has not been checked for the tab. I've specifically assigned access privs to the tab.
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image1 (ILS enabled: portal => Manage All,
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703-521-5200 x3610

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JTable's Cell navigation with TAB

Dear ALL
I have face one problem in JTable's cell navigation with TAB. The problem as describe bellow.
I have two columns NAME and ADDRESS. Set focus on ADDRESS column's first cell. now if i am press tab key then focus controll comes on second cell which is the ADDRESS column. At the end of row controll comes on first row second column that means focus on ADDRESS column's first cell.
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Thanks in advance.
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Solved!
Go to Solution.

Hi dragondriver,
I don't think you can lock a tab, but you could programatically dim all the other tabs on the same event that starts your heavy processing and then undim them one it finished.
Hope this helps,
Bogdan

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