Concept: How is JMenuBar implemented?
Hi everybody,
I was working on a subclass of JMenuBar, and I always thought that JMenuBar was implemented like a LinkedList, so you could add a menu at an index, remove a menu at an index, and set a particular menu at an existing index. I was taking a closer look at the Java API, though, and it seems like that isn't the case. Could anyone give me some clarification about how JMenuBar is implemented, please? It doesn't seem to be in the tutorials. It seems like I'll need to combine JMenuBar and LinkedList somehow, but I'd rather not do that unless I'm completely wrong about how JMenuBar is implemented. If anyone could give me some information, I'd really appreciate it.
Thanks,
Jezzica85
Edited by: jezzica85 on Jan 15, 2009 9:07 AM
Since JMenuBar is a descendant of Container (as are all JComponents), I believe you can use the add(Component c, index i) and remove(int index) methods defined in Container. If you look in JMenuBar.java, add(JMenu) and getMenu(int index) are just covers for the Container methods add() and getComponentAtIndex().
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REPORT z_aris_oo_practice_9
NO STANDARD PAGE HEADING
LINE-SIZE 0
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TABLES: spfli.
Selection screen
SELECTION-SCREEN BEGIN OF BLOCK box1 WITH FRAME.
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airpto TYPE spfli-airpto,
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REPORT ZTEST_ALV_OO MESSAGE-ID ZZ .
DATA: G_GRID TYPE REF TO CL_GUI_ALV_GRID.
DATA: L_VALID TYPE C,
V_FLAG,
V_DATA_CHANGE,
V_ROW TYPE LVC_S_ROW,
V_COLUMN TYPE LVC_S_COL,
V_ROW_NUM TYPE LVC_S_ROID.
DATA: IT_ROW_NO TYPE LVC_T_ROID,
X_ROW_NO TYPE LVC_S_ROID.
DATA:BEGIN OF ITAB OCCURS 0,
VBELN LIKE LIKP-VBELN,
POSNR LIKE LIPS-POSNR,
CELLCOLOR TYPE LVC_T_SCOL, "required for color
DROP(10),
check,
END OF ITAB.
"The Below Definitions Must.....
DATA:
* Reference to document
DG_DYNDOC_ID TYPE REF TO CL_DD_DOCUMENT,
* Reference to split container
DG_SPLITTER TYPE REF TO CL_GUI_SPLITTER_CONTAINER,
* Reference to grid container
DG_PARENT_GRID TYPE REF TO CL_GUI_CONTAINER,
* Reference to html container
DG_HTML_CNTRL TYPE REF TO CL_GUI_HTML_VIEWER,
* Reference to html container
DG_PARENT_HTML TYPE REF TO CL_GUI_CONTAINER.
"up to here
* CLASS lcl_event_handler DEFINITION
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IMPORTING E_ROW_ID E_COLUMN_ID ES_ROW_NO,
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HANDLE_DOUBLE_CLICK FOR EVENT DOUBLE_CLICK OF CL_GUI_ALV_GRID
IMPORTING E_ROW E_COLUMN ES_ROW_NO,
TOP_OF_PAGE FOR EVENT TOP_OF_PAGE "event handler
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IMPORTING E_DYNDOC_ID.
* END_OF_LIST FOR EVENT end_of_list "event handler
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* IMPORTING E_DYNDOC_ID.
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X_ROW_NO-ROW_ID = V_ROW.
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CALL METHOD G_GRID->SET_SELECTED_ROWS
EXPORTING
IT_ROW_NO = IT_ROW_NO.
ENDMETHOD. "lcl_event_handler
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METHOD HANDLE_DOUBLE_CLICK.
CLEAR: V_ROW,V_COLUMN,V_ROW_NUM.
V_ROW = E_ROW.
V_COLUMN = E_COLUMN.
V_ROW_NUM = ES_ROW_NO.
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* ENDMETHOD. "top_of_page
METHOD TOP_OF_PAGE. "implementation
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DATA: G_CUSTOM_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,"Container1
G_HANDLER TYPE REF TO LCL_EVENT_HANDLER. "handler
DATA: OK_CODE LIKE SY-UCOMM,
SAVE_OK LIKE SY-UCOMM,
G_CONTAINER1 TYPE SCRFNAME VALUE 'TEST',
GS_LAYOUT TYPE LVC_S_LAYO.
data: v_lines type i.
data: v_line(3) type c.
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X_FIELDCAT TYPE LVC_S_FCAT,
LS_VARI TYPE DISVARIANT.
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POSNR
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MESSAGE I002 WITH 'NO DATA FOR THE SELECTION'(004).
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* text
FORM CREATE_AND_INIT_ALV .
DATA: LT_EXCLUDE TYPE UI_FUNCTIONS.
"attention.....from here
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CALL METHOD DG_SPLITTER->GET_CONTAINER
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ROW = 2
COLUMN = 1
RECEIVING
CONTAINER = DG_PARENT_GRID.
* CALL METHOD DG_SPLITTER->GET_CONTAINER
* EXPORTING
* ROW = 2
* COLUMN = 1
* RECEIVING
* CONTAINER = DG_PARENT_HTML.
* CALL METHOD DG_SPLITTER->GET_CONTAINER
* EXPORTING
* ROW = 1
* COLUMN = 1
* RECEIVING
* CONTAINER = DG_PARENT_GRID.
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CALL METHOD DG_SPLITTER->SET_ROW_HEIGHT
EXPORTING
ID = 1
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GS_LAYOUT-GRID_TITLE = TEXT-003.
GS_LAYOUT-ZEBRA = SPACE.
GS_LAYOUT-CWIDTH_OPT = 'X'.
GS_LAYOUT-NO_ROWMARK = 'X'.
GS_LAYOUT-CTAB_FNAME = 'CELLCOLOR'.
CALL METHOD G_GRID->REGISTER_EDIT_EVENT
EXPORTING
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CREATE OBJECT G_HANDLER.
SET HANDLER G_HANDLER->HANDLE_DOUBLE_CLICK FOR G_GRID.
SET HANDLER G_HANDLER->HANDLE_HOTSPOT_CLICK FOR G_GRID.
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DATA: LS_CELLCOLOR TYPE LVC_S_SCOL. "required for color
DATA: L_INDEX TYPE SY-TABIX.
"Here i am changing the color of line 1,5,10...
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LOOP AT ITAB.
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IF L_INDEX = 1 OR L_INDEX = 5 OR L_INDEX = 10.
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LS_CELLCOLOR-COLOR-COL = '6'.
LS_CELLCOLOR-COLOR-INT = '0'.
LS_CELLCOLOR-COLOR-INV = '1'.
APPEND LS_CELLCOLOR TO ITAB-CELLCOLOR.
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LS_CELLCOLOR-FNAME = 'POSNR'.
LS_CELLCOLOR-COLOR-COL = '6'.
LS_CELLCOLOR-COLOR-INT = '0'.
LS_CELLCOLOR-COLOR-INV = '1'.
APPEND LS_CELLCOLOR TO ITAB-CELLCOLOR.
MODIFY ITAB INDEX L_INDEX TRANSPORTING CELLCOLOR.
ENDIF.
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CALL METHOD CL_GUI_CONTROL=>SET_FOCUS
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PERFORM SET_DRDN_TABLE.
* Optionally restrict generic functions to 'change only'.
* (The user shall not be able to add new lines).
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LS_VARI-HANDLE = SPACE.
LS_VARI-LOG_GROUP = SPACE.
LS_VARI-USERNAME = SPACE.
LS_VARI-VARIANT = SPACE.
LS_VARI-TEXT = SPACE.
LS_VARI-DEPENDVARS = SPACE.
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IS_LAYOUT = GS_LAYOUT
I_SAVE = 'A'
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IT_FIELDCATALOG = IT_FIELDCAT
IT_OUTTAB = ITAB[].
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* text
* -->PT_EXCLUDE text
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DATA LS_EXCLUDE TYPE UI_FUNC.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_COPY_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_DELETE_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_APPEND_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_INSERT_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_MOVE_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_COPY.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_CUT.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_PASTE.
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LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_PASTE_NEW_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
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DATA: L_POS TYPE I.
L_POS = L_POS + 1.
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X_FIELDCAT-OUTPUTLEN = '1'.
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X_FIELDCAT-HOTSPOT = 'X'.
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X_FIELDCAT-DRDN_HNDL = '1'.
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CLEAR X_FIELDCAT.
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* text
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* text
MODULE USER_COMMAND_0100 INPUT.
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* -->DG_DYNDOC_ID text
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CALL METHOD DG_DYNDOC_ID->NEW_LINE.
CLEAR : DL_TEXT.
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* Add User ID to Document
PERFORM ADD_TEXT USING DL_TEXT.
* Add new-line
CALL METHOD DG_DYNDOC_ID->NEW_LINE.
CLEAR : DL_TEXT.
* Move count (no of records).
move v_lines to v_line.
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PERFORM ADD_TEXT USING DL_TEXT.
* Add new-line
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CLEAR : DL_TEXT.
* Move date
WRITE SY-DATUM TO DL_TEXT.
CONCATENATE 'Date :' DL_TEXT INTO DL_TEXT SEPARATED BY SPACE.
* Add Date to Document
PERFORM ADD_TEXT USING DL_TEXT.
* Add new-line
CALL METHOD DG_DYNDOC_ID->NEW_LINE.
CLEAR : DL_TEXT.
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WRITE SY-UZEIT TO DL_TEXT.
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* Add Time to Document
PERFORM ADD_TEXT USING DL_TEXT.
* Add new-line
CALL METHOD DG_DYNDOC_ID->NEW_LINE.
* Populating data to html control
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* Adding text
CALL METHOD DG_DYNDOC_ID->ADD_TEXT
EXPORTING
TEXT = P_TEXT
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* text
FORM HTML.
DATA : DL_LENGTH TYPE I, " Length
DL_BACKGROUND_ID TYPE SDYDO_KEY VALUE SPACE. " Background_id
* Creating html control
IF DG_HTML_CNTRL IS INITIAL.
CREATE OBJECT DG_HTML_CNTRL
EXPORTING
PARENT = DG_PARENT_HTML.
ENDIF.
* Reuse_alv_grid_commentary_set
CALL FUNCTION 'REUSE_ALV_GRID_COMMENTARY_SET'
EXPORTING
DOCUMENT = DG_DYNDOC_ID
BOTTOM = SPACE
IMPORTING
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CALL METHOD DG_DYNDOC_ID->MERGE_DOCUMENT.
* Set wallpaper
CALL METHOD DG_DYNDOC_ID->SET_DOCUMENT_BACKGROUND
EXPORTING
PICTURE_ID = DL_BACKGROUND_ID.
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DG_DYNDOC_ID->HTML_CONTROL = DG_HTML_CNTRL.
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CALL METHOD DG_DYNDOC_ID->DISPLAY_DOCUMENT
EXPORTING
REUSE_CONTROL = 'X'
PARENT = DG_PARENT_HTML
EXCEPTIONS
HTML_DISPLAY_ERROR = 1.
IF SY-SUBRC NE 0.
MESSAGE I999 WITH 'Error in displaying top-of-page'(036).
ENDIF.
ENDFORM. " HTML
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import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.stage.*;
import javafx.scene.*;
import javafx.scene.paint.Color;
import javafx.scene.layout.*;
import javafx.scene.control.*;
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public ModalDialog(final Stage stg) {
final Stage stage = new Stage();
//Initialize the Stage with type of modal
stage.initModality(Modality.APPLICATION_MODAL);
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stage.initOwner(stg);
Group group = new Group();
HBox hb = new HBox();
hb.setSpacing(20);
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public void handle(ActionEvent event) {
stage.hide();
Button yes = new Button("Yes");
yes.setOnAction(new EventHandler<ActionEvent>() {
public void handle(ActionEvent event) {
stg.close();
hb.getChildren().addAll(yes, no);
VBox vb = new VBox();
vb.setSpacing(20);
vb.setAlignment(Pos.CENTER);
vb.getChildren().addAll(label,hb);
stage.setTitle("Closing ...");
stage.setScene(new Scene( vb, 260, 110, Color.LIGHTCYAN));
stage.show();
}Test:
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.stage.*;
* @author Shakir
public class ModalTest extends Application {
* @param args the command line arguments
public static void main(String[] args) {
Application.launch(ModalTest.class, args);
@Override
public void start(final Stage primaryStage) {
primaryStage.setTitle("Hello World");
Group root = new Group();
Scene scene = new Scene(root, 300, 250, Color.LIGHTGREEN);
primaryStage.setOnCloseRequest(new EventHandler<WindowEvent>(){
@Override
public void handle(WindowEvent arg0) {
arg0.consume();
try
ModalDialog md = new ModalDialog(primaryStage);
catch(Exception ex)
System.out.print(ex.getMessage()+"\r\n");
primaryStage.setScene(scene);
primaryStage.show();
} -
How can I implement a real time datawarehouse
Hi, I'm a little lost here but I want to know how can I implement a real time datawarehouse in sql server, I don't know if it is only to make the extraction process the shortest time possible.
Thank youHi Mega15,
I agree with everything Seif and Louw said, but I'd like to add that if you are using SQL Server 2012 or 2014 and you want to use DirectQuery or ROLAP mode (depending on what SSAS mode are you using, tabular or multidimensional) you may be interested on
using columnar indexes on your base tables.
Analytical and aggregated queries will take GREAT advantage from these indexes, they will perform much better than with traditional B-Tree indexes in most of your scenarios.
Regards.
Pau. -
How can I implement a Digital I/O counter with a maximum source frequency of 80 MHz (like 6602 board) using CompactRIO? It appears as if the Digital I/O modules for CompactRIO are much slower than this.
Thank you,
--RayHi Ray,
The highest frequency input we offer for C Series modules is 20 MHz if you are doing LVTTL and 10 MHz for 5 V TTL. These modules are the 9402 and 9401, respectively. Unfortunately, there is no 80 MHz input on this form-factor.
Regards,
Chris E.
Applications Engineer
National Instruments
http://www.ni.com/support -
How do I implement Subversion attributes in Dreamweaver CS5?
How do I implement Subversion attributes in Dreamweaver CS5?
Somehow this feature is preventing me from uploading files. I would really love some kind help?
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How can i implement the default value for this variable?
In one of our Stored procs,we have a variable RECS_TO_DELETE, which determines the number of records to delete from various DELETEs that happen within this proc.
The value for RECS_TO_DELETE variable should be obtained from a configuration table sys_config
select
rec_num into RECS_TO_DELETE
from sys_config
where
sys_code=55;
But if something goes wrong with sys_config table or the above SELECT INTO, our client wants to makes sure that RECS_TO_DELETE should have a default value of 1000.
In the code, how will i implement having this default value of 1000 for RECS_TO_DELETE variable in case the above SELECT INTO fails for some reason.Hi,
You have to assign a value before the execution...
DECLARE
RECS_TO_DELETE NUMBER(9) := 1000;
BEGIN
SELECT rec_num
INTO RECS_TO_DELETE
FROM sys_config
WHERE sys_code = 55;
DBMS_OUTPUT.put_line(RECS_TO_DELETE);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.put_line(RECS_TO_DELETE);
END;
/Regards, -
How can I implement an user function in a derived column of a report ?
Hello,
I've a report and added a derived column.
In this column should be displayed the result of a function.
GETANZGJMONATE ( to_date(#START_AFA#,'DD.MM.YYYY'), #ND#, :P302_GJ );
How can I implement this?
Thanks in advance
Regards UlrikeUlrike - I would do this in the SQL statement (there may be other ways).
Presumably START_AFA and ND are table columns?
Presumably you've also created the GETANZGJMONATE function?
So, something like this should work (this also assumes that START_AFA is of a DATE type - you'll need the TO_DATE call if not):
SELECT COL1
, COL2
, START_AFA
, ND
, GETANZGJMONATE (START_AFA, ND, :P302_GJ)
from TABLE
where ...
Can't remember if you have to grant any particular execute permissions on the function ('grant execute on GETANZGJMONATE to public', for example) when you call it from SQL on a page, but you could try that if the function call fails.
Depending on what's in :P302_GJ and what the function parameter data type is, you might need to use the '&P302_GJ.' syntax or TO_NUMBER etc.
Hope this helps.
Regards,
John. -
How can i implement 'Distribute Qty' function in BAPI_GOODSMVT_CREATE
Hi all,
Using MIGO For GR. if more than one Batch or Production Date or Vendor Batch for same Purchase Order Line Item and Deliv date, need to hit Distribute Qty button to split the entry line into multiple lines before enter Production Date and Vendor Batch.
So I want use bapi BAPI_GOODSMVT_CREATE implement MIGO function for a interface. Anyone have some suggestion how can i implement the 'Distribute Qty' function in the bapi.
My email address: [email protected]Hello,
1. Use structure BAPIPAREX for passing custom fields. (There are several blogs/posts on how to make use of this).
2. In the BAPI i noticed there is a BAdI to populate these fields into your business tables.
Call BAdI MB_BAPI_GOODSMVT_CREATE to fill own fields
TRY.
get badi lo_mb_bapi_GOODSMVT_CREATE.
CATCH cx_badi_not_implemented. "#EC NO_HANDLER
ENDTRY.
TRY.
call badi lo_mb_bapi_goodsmvt_create->extensionin_to_matdoc
EXPORTING
EXTENSION_IN = EXTENSIONIN[]
CHANGING
CS_IMKPF = S_IMKPF
CT_IMSEG = T_IMSEG[]
CT_RETURN = return.
CATCH cx_badi_initial_reference. "#EC NO_HANDLER
ENDTRY. -
How can we implement the currency translation in a query definition
How can we implement the currency translation in a query definition and should it modified for each and every type of currencies
hi rama krishna
i think u can not get any translation in Query. this is only for het the report as it is there in tables. if u want to write a report take a help of the Abaper
hope u goit,assign points if u ok for this
thanks
subbu -
How to do implement an Auto scrolling bar in Forms 9i
Hi,friends
How can we implement a automatic scrolling bar when we edit item data in block which is so wide.
I will be appreciated for your response,Thank you!!
Pls give me some ideas
PanzhenHi,
actually this functionality does not work. The reason for this is that Forms9i is Web only and there is no functionality downloaded with the generic Java Applet. For the moment I filed an enhancement request to have this on our radar. Meanwhile, if you need thi sfunctionality you can help yourself by writing a PJC that opens a dialog and performs the action that you want to.
Frank
Forms Product Management -
Split 1 input structure into N output structures how can be implemented?
Hi friends, The question is how you can implement a split of a message to others(N) according to mesage elements (of the first) ?
Thank you in advance?
AntonisHi antonis,
You need to do multimapping to split single message to n messages.
Check these links..
http://help.sap.com/saphelp_nw04/helpdata/en/21/6faf35c2d74295a3cb97f6f3ccf43c/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/42/f3ca2529491bc7e10000000a11466f/content.htm
If you are on SP14..
http://help.sap.com/saphelp_nw04/helpdata/en/42/f3b31d48fb1bc8e10000000a11466f/content.htm
Regards
Anand -
We have a requirement to print the w2 forms for employees using java application, how can i implement this. Please give some suggestion.
Anyone any ideas to help please?
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