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Chat with other, logged-on SAP users (like the unix talk)



 
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PostPosted: Sun Nov 25, 2007 12:34 pm    Post subject: Chat with other, logged-on SAP users (like the unix talk) Reply with quote

Chat with other, logged-on SAP users (like the unix talk or write) implemented in ABAP - terminal module

Code:
REPORT ZPOPUPDE.
************************************************************************
* The programs ZPOPUP and ZPOPUPDE implement a talk utility -
* - similar to the UNIX talk or write commands.
* The two instances of zpopups will negotiate the communication
* parameters and call zpopupde, the terminal module. Using the
* terminal window's buttons you can chat, get help or exit.
************************************************************************
TABLES: USR02, SSCRFIELDS, INDX.
DATA: C12(12), Q(12), LINE(90).
DATA: FIRST_TIME VALUE '1'.
DATA: I_AM.
DATA: A_NAME(22), B_NAME(22), AB_NAME(22), BA_NAME(22), MY_NAME(22).
DATA: MY_TURN.
DATA: MESSAGE(30) VALUE '   Waiting for an answer'.
DATA: NO_HELP_SCROLL.
* Selection screen begin
INITIALIZATION.
* Receive area
  SET PF-STATUS 'ZCLEAR'.
  SELECTION-SCREEN BEGIN OF BLOCK A WITH FRAME.
  SELECTION-SCREEN BEGIN OF LINE.SELECTION-SCREEN POSITION 1.
  PARAMETERS: REMOTE(12) MODIF ID ABB.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: A(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: B(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: C(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: D(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: E(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: F(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
* Send area
  SELECTION-SCREEN BEGIN OF LINE.SELECTION-SCREEN POSITION 1.
  PARAMETERS: LOCAL(12) MODIF ID ABB.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: G(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: H(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: I(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: J(45) MODIF ID ABC LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: K(45) MODIF ID ABD LOWER CASE.
  SELECTION-SCREEN END OF LINE.
  selection-screen begin of line.selection-screen position 1.
  PARAMETERS: L(45) MODIF ID ABD LOWER CASE.
  SELECTION-SCREEN END OF LINE.
* Buttons
  SELECTION-SCREEN SKIP 2.
  SELECTION-SCREEN PUSHBUTTON 1(13) TEXT-010 USER-COMMAND SND.
  SELECTION-SCREEN PUSHBUTTON 17(13) TEXT-011 USER-COMMAND EXI.
  SELECTION-SCREEN PUSHBUTTON 33(13) TEXT-012 USER-COMMAND HLP.
  SELECTION-SCREEN END OF BLOCK A.
* End of selection screen

* When a button is pressed
AT SELECTION-SCREEN.
* The SEND button or ENTER was pressed
  IF SSCRFIELDS-UCOMM = 'SND' OR SSCRFIELDS-UCOMM IS INITIAL
     OR SSCRFIELDS-UCOMM = 'AAAA'.
    IF I_AM = 'I'.        " I am an initiator
      LINE = K. LINE+45(45) = L.
      EXPORT LINE TO DATABASE INDX(ST) ID AB_NAME.
      COMMIT WORK AND WAIT.
      MY_TURN = '0'.
    ELSEIF I_AM = 'R'.    " I am a responder
      LINE = K. LINE+45(45) = L.
      EXPORT LINE TO DATABASE INDX(ST) ID BA_NAME.
      COMMIT WORK AND WAIT.
      MY_TURN = '0'.
    ENDIF.
* The exit button was pressed (or green or yellow arrow, or red cross)
  ELSEIF SSCRFIELDS-UCOMM = 'EXI'
      OR SSCRFIELDS-UCOMM = 'BBBB'
      OR SSCRFIELDS-UCOMM = 'CCCC'
      OR SSCRFIELDS-UCOMM = 'DDDD'.
* Send the exit message to the partner and exit.
    LINE = 'EXITEXITEXITEXITEXIT'.
    EXPORT LINE TO DATABASE INDX(ST) ID BA_NAME.
    EXPORT LINE TO DATABASE INDX(ST) ID AB_NAME.
    COMMIT WORK AND WAIT.
    LEAVE PROGRAM.
* If the HELP button was pressed
  ELSEIF SSCRFIELDS-UCOMM = 'HLP'.
    NO_HELP_SCROLL = '1'.
    CALL FUNCTION 'POPUP_TO_INFORM'
         EXPORTING
         TITEL = 'HELP'
         TXT1  = 'Enter the message using the input lines at the bottom'
         TXT2  = 'Press ENTER or the SEND button to send the message'
         TXT3  = 'Wait for the answer'
         TXT4  = 'Press EXIT to close the connection'.
  ENDIF.
* End: when a button is pressed

* Prepare the selection screen for output
AT SELECTION-SCREEN OUTPUT.
* When the display module runs the first time: import the communication
* parameters
  IF FIRST_TIME = 1.
    IMPORT I_AM A_NAME B_NAME AB_NAME BA_NAME FROM MEMORY ID 'AAA'.
    IF I_AM = 'I'.
      LOCAL = A_NAME.
      REMOTE = B_NAME.
      MY_TURN = '1'.
    ELSEIF I_AM = 'R'.
      LOCAL = B_NAME.
      REMOTE = A_NAME.
      MY_TURN = '0'.
    ENDIF.
    FIRST_TIME = 0.
  ENDIF.                               " First time
* Wait for an answer (my_turn = '0')
  IF MY_TURN = '0'.                    " Wait for the partner
    CLEAR LINE.
    IF I_AM = 'I'.                     " Listen on BA
      DO.
        IMPORT LINE FROM DATABASE INDX(ST) ID BA_NAME.
* Horray, a message has arrived
        IF NOT LINE IS INITIAL.
          DELETE FROM INDX WHERE RELID = 'ST' AND
                                 SRTFD = BA_NAME.
          COMMIT WORK AND WAIT.
          MY_TURN = '1'.
          EXIT.
        ENDIF.
* No message yet: display a progress indicator
        SHIFT MESSAGE CIRCULAR RIGHT.
        CALL FUNCTION 'SAPGUI_PROGRESS_INDICATOR'
             EXPORTING
                  PERCENTAGE = ''
                  TEXT       = MESSAGE.
      ENDDO.
* Wait for an answer (my_turn = '0')
    ELSEIF I_AM = 'R'.                 " Listen on AB
      DO.
        IMPORT LINE FROM DATABASE INDX(ST) ID AB_NAME.
* Horray, a message has arrived
        IF NOT LINE IS INITIAL.        " An answer came
          DELETE FROM INDX WHERE RELID = 'ST' AND
                                 SRTFD = AB_NAME.
          COMMIT WORK AND WAIT.
          MY_TURN = '1'.
          EXIT.
        ENDIF.
* No message yet: display a progress indicator
        SHIFT MESSAGE CIRCULAR RIGHT.
        CALL FUNCTION 'SAPGUI_PROGRESS_INDICATOR'
             EXPORTING
                  PERCENTAGE = ''
                  TEXT       = MESSAGE.
      ENDDO.
    ENDIF.
  ENDIF.
* my_turn = '1'
* An exit message come: free up the communication area and exit
  IF LINE = 'EXITEXITEXITEXITEXIT'.
    DELETE FROM INDX WHERE RELID = 'ST' AND
                           SRTFD = AB_NAME.
    DELETE FROM INDX WHERE RELID = 'ST' AND
                           SRTFD = BA_NAME.
    COMMIT WORK AND WAIT.
    CALL FUNCTION 'POPUP_TO_INFORM'
         EXPORTING
              TITEL = 'INFORMATION'
              TXT1  = 'Partner closed the connection'
              TXT2  = ''.
    LEAVE PROGRAM.
  ENDIF.
* Prepare the selection screen fields for output
  LOOP AT SCREEN.
    IF SCREEN-GROUP1 = 'ABC' OR SCREEN-GROUP1 = 'ABB'.
      SCREEN-INPUT = '0'.
      MODIFY SCREEN.
    ENDIF.
    IF SCREEN-GROUP1 = 'ABB'.
      SCREEN-INTENSIFIED = '1'.
      MODIFY SCREEN.
    ENDIF.
  ENDLOOP.
* Scroll the input and output lines
  IF NO_HELP_SCROLL <> '1'.
    G = I. H = J.
    I = K. J = L.
    CLEAR K. CLEAR L. CLEAR NO_HELP_SCROLL.
  ENDIF.
  IF NOT LINE IS INITIAL.              " Refresh the receive lines.
    A = C. B = D.
    C = E. D = F.
    E = LINE(45). F = LINE+45(45).
  ENDIF.


Chat with other, logged-on SAP users (like the unix talk or write) implemented in ABAP - communication module
Code:

REPORT ZPOPUP NO STANDARD PAGE HEADING.
************************************************************************
* The programs ZPOPUP and ZPOPUPDE implement a talk utility -
* - similar to the UNIX talk or write commands. When zpopup is
* started via a transaction (i.e. ZPOP) it displays the active users.
* By double-clicking on the username the remote user will receive
* a popup window inviting him for a chat. The remote user starts ZPOP
* as well, and the two instances of zpops will negotiate the
* communication parameters and call zpopupde, the terminal module.
* The terminal module will enable them to send and receive the messages.
* To make these programs work, you have to assign zpopup to transaction
* code ZPOP and create status ZCLEAR for zpopupde with only the
* enter(AAAA), green arrow(BBBB), yellow arrow(CCCC) and red cross(DDDD)
************************************************************************
DATA: ESTABLISHED.
DATA: I_AM.
DATA: LINE(90).
DATA: A_NAME(22), B_NAME(22), AB_NAME(22), BA_NAME(22), MY_NAME(22).
DATA: INDXKEY LIKE INDX-SRTFD.
TABLES INDX.
DATA: CURR_TIM LIKE SY-UZEIT.
DATA: TEMP_TIM TYPE T.
DATA: MESSAGE(128).
DATA: OPCODE TYPE X VALUE 2.
DATA: BEGIN OF USR_TABL OCCURS 10.
        INCLUDE STRUCTURE UINFO.
DATA: END OF USR_TABL.
DATA: A(61).
DATA: TIM LIKE SY-UZEIT, N TYPE I VALUE 30, DTIM LIKE SY-UZEIT.

START-OF-SELECTION.
* Find out, if I am an initializator (A) or a responder (B)
  MY_NAME = SY-UNAME.
  INDXKEY = MY_NAME.
  IMPORT LINE FROM DATABASE INDX(ST) ID INDXKEY.
  IF SY-SUBRC <> 0.               "Nothing there: I am an initializator
    I_AM = 'I'.
    A_NAME = SY-UNAME.
* Get the list of logged on users
    CALL 'ThUsrInfo' ID 'OPCODE' FIELD OPCODE
        ID 'TAB' FIELD USR_TABL-*SYS*.
    WRITE: / 'Recently no one is waiting for you to connect.'.
    WRITE: / 'Doubleclick on a name of an active user, to establish'.
    WRITE: / 'a conversation or choose the green arrow to exit.'.
    SKIP.
    WRITE: /2(8)  'CLIENT',
           10(14) 'USER NAME',
           24(14) 'TRANSACTION',
           38(24) 'LAST DIALOG STEP(AGO)'.
    SKIP.
    SORT USR_TABL BY MANDT BNAME.
    LOOP AT USR_TABL.
      IF NOT USR_TABL-BNAME IS INITIAL AND USR_TABL-BNAME <> SY-UNAME
         AND USR_TABL-MANDT = SY-MANDT.
        TEMP_TIM = USR_TABL-ZEIT.
        CURR_TIM = SY-UZEIT - TEMP_TIM.
        WRITE: /2(8)  USR_TABL-MANDT,
               10(14) USR_TABL-BNAME,
               24(14) USR_TABL-TCODE,
               38(24) CURR_TIM.
        HIDE: USR_TABL-BNAME, USR_TABL-MANDT.
      ENDIF.
    ENDLOOP.
    CLEAR USR_TABL.
  ELSE.                                "I am a responder
    I_AM = 'R'.
    A_NAME = LINE.
    B_NAME = SY-UNAME.
    AB_NAME = A_NAME.
    AB_NAME+11 = B_NAME.
    CONDENSE AB_NAME NO-GAPS.
    BA_NAME = B_NAME.
    BA_NAME+11 = A_NAME.
    CONDENSE BA_NAME NO-GAPS.
* B sends an answer to A
    DELETE FROM INDX WHERE RELID = 'ST' AND
                           SRTFD = B_NAME.
    CLEAR LINE.
    EXPORT LINE TO DATABASE INDX(ST) ID AB_NAME.
    LINE = 'How are you?'.
    EXPORT LINE TO DATABASE INDX(ST) ID BA_NAME.
    COMMIT WORK AND WAIT.
* B calls the display program
    EXPORT I_AM A_NAME B_NAME AB_NAME BA_NAME TO MEMORY ID 'AAA'.
    SUBMIT ZPOPUPDE VIA SELECTION-SCREEN.
  ENDIF.                               "responder/initializator

* When a user is selected:
AT LINE-SELECTION.
* Double click
  IF NOT USR_TABL-BNAME IS INITIAL.    " When a partner is selected
* Set up my variables
    B_NAME = USR_TABL-BNAME.
    AB_NAME = A_NAME.
    AB_NAME+11 = B_NAME.
    CONDENSE AB_NAME NO-GAPS.
    BA_NAME = B_NAME.
    BA_NAME+11 = A_NAME.
    CONDENSE BA_NAME NO-GAPS.
* Construct the popup message
    MESSAGE = 'User'.
    MESSAGE+5(12) = SY-UNAME.
    MESSAGE+18(44) = 'would like to start a conversation with you.'.
    MESSAGE+63(34) = 'Please run transaction ZPOP. Time:'.
    MESSAGE+98(2) = SY-UZEIT.
    MESSAGE+100(1) = ':'.
    MESSAGE+101(2) = SY-UZEIT+2(2).
    MESSAGE+103(1) = ':'.
    MESSAGE+104(2) = SY-UZEIT+4(2).
    MESSAGE+106(10) = ' (Pacific)'.
* A sends the popup window to B
    CALL FUNCTION 'TH_POPUP'
         EXPORTING
              CLIENT         = USR_TABL-MANDT
              USER           = USR_TABL-BNAME
              MESSAGE        = MESSAGE
         EXCEPTIONS
              USER_NOT_FOUND = 1.
* A initializes the comunication: write to B, AB, BA.
    LINE = A_NAME.
    EXPORT LINE TO DATABASE INDX(ST) ID B_NAME.
    LINE = 'HELLO'.
    EXPORT LINE TO DATABASE INDX(ST) ID AB_NAME.
    CLEAR LINE.
    EXPORT LINE TO DATABASE INDX(ST) ID BA_NAME.
    COMMIT WORK AND WAIT.
* Wait for the reply for 60 seconds, display a status and check INDX
    TIM = SY-UZEIT.
    TIM = TIM + 60.
    DO.
      GET TIME.
      DTIM = TIM - SY-UZEIT.
      IF TIM < SY-UZEIT.
* No answer from B: clean INDX
        DELETE FROM INDX WHERE RELID = 'ST' AND
                               SRTFD = B_NAME.
        DELETE FROM INDX WHERE RELID = 'ST' AND
                               SRTFD = AB_NAME.
        DELETE FROM INDX WHERE RELID = 'ST' AND
                               SRTFD = BA_NAME.
        COMMIT WORK AND WAIT.
        EXIT.
      ENDIF.
* A displays a progress indicator while waiting
      A = 'Waiting for'.
      A+12(12) = USR_TABL-BNAME.
      A+25(27) = 'to respond. Remaining time:'.
      A+53(8) = DTIM.
      CALL FUNCTION 'SAPGUI_PROGRESS_INDICATOR'
           EXPORTING
                PERCENTAGE = ''
                TEXT       = A.
* A waits for the answer of B: reading BA
      IMPORT LINE FROM DATABASE INDX(ST) ID BA_NAME.
* An answer has come from B
      IF NOT LINE IS INITIAL.
        CLEAR LINE.
        EXPORT LINE TO DATABASE INDX(ST) ID BA_NAME.
        EXPORT LINE TO DATABASE INDX(ST) ID BA_NAME.
        COMMIT WORK AND WAIT.
        ESTABLISHED = '1'.
        EXIT.
      ENDIF.
    ENDDO.
* Answer has come: wait for 4 seconds, the start the terminal module
    IF ESTABLISHED = '1'.
      TIM = SY-UZEIT.
      TIM = TIM + 4.
      DO.
        GET TIME.
        DTIM = TIM - SY-UZEIT.
        IF TIM < SY-UZEIT.
          EXIT.
        ENDIF.
      ENDDO.
      EXPORT I_AM A_NAME B_NAME AB_NAME BA_NAME TO MEMORY ID 'AAA'.
      SUBMIT ZPOPUPDE VIA SELECTION-SCREEN.
* No answer has come
    ELSE.
      WRITE: / 'Partner does not answer.'.
    ENDIF.
  ENDIF.
  CLEAR USR_TABL.
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