Order of events in abap

Hi,
this is kiran,can any one send the order for events in abap.
regards,
kiran

Hi Kiran,
Below is the list of events:
Initialization : triggered when the report is loaded in memory.
At selection-screen output : triggered when the selection screen is loaded in memory before being displayed.
At selection-screen / <field> : before leaving the selection screen.
start-of-selection : the first event for displaying the report.
end-of-selection : after the start-of-selection is completed.
classiscal report events.
top-of-page : every time a new page is started in the list.
end-of-page : every time the list data reaches the footer region of the page.
interactive report events.
top of page during line selection : top of page event for secondary list.
at line-selection : evey time user dbl-clicks(F2) on the list data.
at pF<key> : function key from F5 to F12 to perform interactive action on the list.
Hope this serves your need.
Regards:
Sapna

Similar Messages

Events in ABAP runtime.

Can Any one explain me the events in ABAP runtime with proper example please.

Hi Srnivas,
Here are the events in order
Classical Report Events:
Initialization
At selection-screen
at selection-screen output
start-of-selection
end-of-selection
top-of-page
end-of-page
Interactive Report Events:
Above events and also,
at line-selection,
at user-command,
at pfn
The following events occur at runtime of a typical report program which uses logical databases:
Event keyword Event
INITIALIZATION Point before the selection screen
is displayed
When you start a program in which a selection screen is defined (either in the program itself or in the linked logical database program), the system normally processes this selection screen first. If you want to execute a processing block before the selection screen is processed, you can assign it to the event keyword INITIALIZATION.
AT SELECTION-SCREEN Point after processing user
input on the selection screen while the selection screen is still active
The event keyword AT SELECTION-SCREEN provides you with several possibilities to carry out processing blocks while the system is processing the selection screen.
START-OF-SELECTION Point after processing the selection screen
The event START-OF-SELECTION gives you the possibility of creating a processing block after processing the selection screen and before accessing database tables using a logical database. You can use this processing block, for example, to set the values of internal fields or to write informational statements onto the output screen.
At the START-OF-SELECTION event, also all statements are processed that are not attached to an event keyword except those that are written behind a FORM-ENDFORM block
GET <table> Point at which the logical database
offers a line of the database table <table>.
The most important event for report programs with an attached logical database is the moment at which the logical database program has read a line from a database table (see Accessing Data Using Logical Databases ). To start a processing block at this event, use the GET statement as follows:
Syntax
GET <table> FIELDS <list>.
After this statement, you can work with the current line of the database table <table>. The data is provided in the table work area <table>.
GET <table> LATE Point after processing all tables which
are hierarchically subordinate to the database table <table> in the structure of the logical database.
To start a processing block at the moment after the system has processed all database tables of a logical database that are hierarchically inferior to a specific database table, use the event keyword GET as follows:
Syntax
GET <table> LATE FIELDS <list>.
In analogy to report programs that use only SELECT statements (see table in Comparison of Access Methods ), the processing block of a GET <table> LATE statement would appear directly before the ENDSELECT statement in the SELECT loop for the database table <table>.
END-OF-SELECTION Point after processing all lines offered
by the logical database.
To define a processing block after the system has read and processed all database tables of a logical database, use the keyword END-OF-SELECTION.
The following events occur during the processing of the output list of a report program:
Event keyword Event
TOP-OF-PAGE Point during list processing when
a new page is started
END-OF-PAGE Point during list processing when a page
is ended
The following events occur during the display of the output list of a report program:
Event keyword Event
AT LINE-SELECTION Point at which the user selects a line
AT USER-COMMAND Point at which the user presses a function key or enters a command in the command field.
AT PF<nn> Point at which the user presses the
function key with the function code PF<n>
With the selection screen, ABAP/4 offers an interactive element also for report programs. You can define a selection screen without having to bother about all the details required in dialog programming.
The selection screen is always processed directly after a report program is started. The user can enter field values and selection criteria on this screen.
Reward points if useful.
Cheers,
Swamy Kunche

Event for ABAP Objects

Dear All,
Would you mind tell me the concept of the event in the ABAP objects.
Regards,
Luke

hI
Triggering and Handling Events
In ABAP Objects, triggering and handling an event means that certain methods act as triggers and trigger events, to which other methods - the handlers - react. This means that the handler methods are executed when the event occurs.
This section contains explains how to work with events in ABAP Objects. For precise details of the relevant ABAP statements, refer to the corresponding keyword documentation in the ABAP Editor.
Triggering Events
To trigger an event, a class must
·        Declare the event in its declaration part
·        Trigger the event in one of its methods
Declaring Events
You declare events in the declaration part of a class or in an interface. To declare instance events, use the following statement:
EVENTS ) TYPE type ..
To declare static events, use the following statement:
CLASS-EVENTS ... ...
It links a list of handler methods with corresponding trigger methods. There are four different types of event.
It can be
·        An instance event declared in a class
·        An instance event declared in an interface
·        A static event declared in a class
·        A static event declared in an interface
The syntax and effect of the SET HANDLER depends on which of the four cases listed above applies.
For an instance event, you must use the FOR addition to specify the instance for which you want to register the handler. You can either specify a single instance as the trigger, using a reference variable ...
The registration applies automatically to the whole class, or to all of the classes that implement the interface containing the static event. In the case of interfaces, the registration also applies to classes that are not loaded until after the handler has been registered.
Timing of Event Handling
After the RAISE EVENT statement, all registered handler methods are executed before the next statement is processed (synchronous event handling). If a handler method itself triggers events, its handler methods are executed before the original handler method continues. To avoid the possibility of endless recursion, events may currently only be nested 64 deep.
Handler methods are executed in the order in which they were registered. Since event handlers are registered dynamically, you should not assume that they will be processed in a particular order. Instead, you should program as though all event handlers will be executed simultaneously.
http://help.sap.com/saphelp_erp2004/helpdata/en/ce/b518b6513611d194a50000e8353423/frameset.htm
http://help.sap.com/saphelp_erp2004/helpdata/en/ce/b518b6513611d194a50000e8353423/frameset.htm
http://help.sap.com/saphelp_erp2004/helpdata/en/ce/b518b6513611d194a50000e8353423/frameset.htm
http://help.sap.com/saphelp_erp2004/helpdata/en/ce/b518b6513611d194a50000e8353423/frameset.htm

INTERFACE AND EVENTS IN ABAP OO

Can some one explain me the real time need with example for use of interfaces and events in abap objects
(asking interface and events along doesnt mean that i am relating them).
<removed_by_moderator>
Pankaj Giri
Edited by: Julius Bussche on Jul 14, 2008 1:36 PM

Events :
Technically speaking :
" Events are notifications an object receives from, or transmits to, other objects or applications. Events allow objects to perform actions whenever a specific occurrence takes place. Microsoft Windows is an event-driven operating system, events can come from other objects, applications, or user input such as mouse clicks or key presses. "
Lets say you have an ALV - An editable one ...
Lats say - Once you press some button you want some kind of validation to be done.
How to do this ?
Raise an Event - Which is handled by a method and write the validation code.
Now you might argue, that I can do it in this way : Capture the function code - and call the validate method.
Yes, in this case it can be done.. But lets say .. you change a field in the ALV and you want the validation to be done as soon as he is done with typing.
Where is the function code here ? No function code... But there is an event here - The data changed event.
So you can raise a data changed event that can be handled and will do the validation.
It is not user friendly that you ask the user to press a button (to get the function code) for validation each time he enters a data.
The events can be raised by a system, or by a program also. So in this case the data changed event is raised by a system that you can handle.
Also, Lets say on a particular action you want some code to trigger. (You can take the same example of validation code). In this case the code to trigger is in a separate class. The object of which is not available here at this moment. (This case happens very frequently).
Advantage with events : Event handlers can be in a separate class also.
e.g : In the middle of some business logic .. you encounter a error. You want to send this information to the UI (to user - in form of a pop up) and then continue with some processing.
In many cases - A direct method call to trigger the pop up is not done. Because (in ideal cases) the engine must not interact with UI directly - Because the UI could be some other application - like a windows UI but the error comes from some SAP program.
So - A event is raised from the engine that is handled in the UI and a pop up is triggered.
Here -- I would have different classes (lets say for different Operating Systems). And all these classes must register to the event ERROR raised in application.
And these different classes for different Operation systems will have different code to raise a pop-up.
Now you can imagine : If you coded a pop-up for Windows (in your application logic) .. it will not work for Mac or Linux. But of you raise a event.. that is handled separately by a different UI classes for Win, Linux or Mac they will catch this event and process accordingly.
May be I complicated this explanation .... but I couldn't think of a simpler and concrete example.
Cheers.
Varun.

Calling Portal event from ABAP class

Hi Experts,
I need a following clarificatrion, Please help,
1. Is it possible to call a webdynpro method from a normal ABAP class?
2. If no, we need a functionality of a class 'CL_WDR_HTTP_EXT_MIME_HANDLER' having method 'DO_DOMAIN_RELAX_HTML'.
Is there any alternative method which can be used in ABAP having the same functionality.
3. Is there any ways with which we can call portal event from ABAP class?
Thanks,
Shabir

>1. Is it possible to call a webdynpro method from a normal ABAP class?
I wouldn't necessarily recommend this approach. You shouldn't try to trigger events or any of the standard WDDO* methods from outside the WD Component itself. That said, you can pass the object reference (like the WD_COMP_CONTROLLER object reference or the View Object Reference) into methods of normal classes. Be careful if you are finding yourself calling a lot of your added methods from outside WD. This is probably a sign that these methods should be in the Assistance Class or some other Class functioning as a Model Object.
>2. If no, we need a functionality of a class 'CL_WDR_HTTP_EXT_MIME_HANDLER' having method 'DO_DOMAIN_RELAX_HTML'.
Is there any alternative method which can be used in ABAP having the same functionality.
What exactly do you want to do here? Do you just want to get the relaxation script? For what purpose? You should never need to inject the relaxation script into WDA.
>3. Is there any ways with which we can call portal event from ABAP class?
To what purpose. Do you just want to delegate the triggering of the event that is inside WD Component to be called from a class? If so you can pass the portal API object reference into a class from the WD Component. However this only works while running within WD.
How is this class used? Are you running in WD? Are you trying to generate some HTML code that runs in the portal independent of WD?

Why and how to use events in abap objects

Dear all,
Please explain me why and how to use events in abap objects with real time example
regards
pankaj giri

Hi Pankaj,
I will try to explain why to use events... How to use is a different topic.. which others have already answered...
This is same from your prev. post...
Events :
Technically speaking :
" Events are notifications an object receives from, or transmits to, other objects or applications. Events allow objects to perform actions whenever a specific occurrence takes place. Microsoft Windows is an event-driven operating system, events can come from other objects, applications, or user input such as mouse clicks or key presses. "
Lets say you have an ALV - An editable one ...
Lats say - Once you press some button you want some kind of validation to be done.
How to do this ?
Raise an Event - Which is handled by a method and write the validation code.
Now you might argue, that I can do it in this way : Capture the function code - and call the validate method.
Yes, in this case it can be done.. But lets say .. you change a field in the ALV and you want the validation to be done as soon as he is done with typing.
Where is the function code here ? No function code... But there is an event here - The data changed event.
So you can raise a data changed event that can be handled and will do the validation.
It is not user friendly that you ask the user to press a button (to get the function code) for validation each time he enters a data.
The events can be raised by a system, or by a program also. So in this case the data changed event is raised by a system that you can handle.
Also, Lets say on a particular action you want some code to trigger. (You can take the same example of validation code). In this case the code to trigger is in a separate class. The object of which is not available here at this moment. (This case happens very frequently).
Advantage with events : Event handlers can be in a separate class also.
e.g : In the middle of some business logic .. you encounter a error. You want to send this information to the UI (to user - in form of a pop up) and then continue with some processing.
In many cases - A direct method call to trigger the pop up is not done. Because (in ideal cases) the engine must not interact with UI directly - Because the UI could be some other application - like a windows UI but the error comes from some SAP program.
So - A event is raised from the engine that is handled in the UI and a pop up is triggered.
Here -- I would have different classes (lets say for different Operating Systems). And all these classes must register to the event ERROR raised in application.
And these different classes for different Operation systems will have different code to raise a pop-up.
Now you can imagine : If you coded a pop-up for Windows (in your application logic) .. it will not work for Mac or Linux. But of you raise a event.. that is handled separately by a different UI classes for Win, Linux or Mac they will catch this event and process accordingly.
May be I complicated this explanation .... but I couldn't think of a simpler and concrete example.
Cheers.
Varun.

How to Handle Business Object event in ABAP class

Hello Everybody,
I wanted to know if it was possible to reference BOR objects in ABAP class and handle BOR events in ABAP Objects.
Thanks in advance.

Hi,
Catch the et_VALIDATE event, when InnerEvent = False and ItemChanged = True.
            If pVal.EventType = BoEventTypes.et_VALIDATE Then
                If pVal.InnerEvent = False And pVal.ItemChanged Then
                    'TODO Your code here...
                End If
            End If
Regards,
Vítor Vieira

What is the equivalent for 'On Change of' Event in ABAP OBJECTS?

What is the equivalent for 'On Change of' Event in ABAP OBJECTS? and how to use it in LOOP control?

hi,
There is no such Equivalent in OO ABAP.
You have to Raise your own Event within tha class checking the value of the field whose value is changing.
Regards
Sumit Agarwal

How open a service order using event handling

HOw to open a service order using event handling

Hi,
Can you explain your requirement elaborately.
I understand from it as, you want to open Service order creation page, based on some event(may be submit button).
For that technically you can use navigation->goto_page('Provide the URL').
or you can use inbound-plug and out-bound plug concept for naviagation.
Regards,
Devender V

Link BOR Event with ABAP code (program or function)!

Hello experts,
I am trying to link program or function to bor event. Change of data in HR IT0002 trigger event CHANGE of PERSDATA Object. I need to execute some ABAP code (program or function) on CHANGE event, so I have to link event and ABAP code.
Question: is it possible and how?

Hi,
It is very much possible....
You can use the Workflow & use BO as PERSDATA & this workflow can be triggered on event change.
& You can write your code ...
Regards,
Rahul

What is the need of END-OF-SELECTION event in ABAP reporting

Hi,
Can anyone explain the need of the END-OF-SELECTION event in ABAP Reports?
This event is used to terminate the previous event. Is that right? or is there any specific use of it?
and when exactly we use this event while writing a report? I mean what purpose?
Thanks,
Paddu.

Hi,
END-OF-SELECTION makes more sense when you are using logical database in your program.
See these links.
http://help.sap.com/saphelp_46c/helpdata/en/34/8e74266df74873e10000009b38f9b8/frameset.htm
http://help.sap.com/saphelp_46c/helpdata/en/9f/db9aca35c111d1829f0000e829fbfe/frameset.htm
After all the data has been selected END-OF-SELECTION event writes the data to the screen
The END-OF-SELECTION event is triggered in executable programs once the logical database has finished reading all data and before the list processor is started.
Try to go thro this link.
http://help.sap.com/saphelp_46c/helpdata/en/9f/db9a1435c111d1829f0000e829fbfe/frameset.htm
Mostly end-of-selection is used in logical data base. It is not mandatory.
Ex:
If you use a logical database in your report then this event is mandatory because when all the data selection from the database is finished this events get triggers.
For example if you are populating a internal table using a logical data base event 'GET' then you need this event because if you don't use this you get display again and again for each selection.
START-OF-SELECTION.
GET PERNR.
itab-pernr = pernr-pernr.
append itab.
*this get triggers after all selection from database.
END-OF-SELECTION.
loop at itab.
write:/ itab-pernr.
endloop.
Regards,
Padmam.

IPhoto- ordering of events

in iPhoto 9, how can I reverse the order that events are displayed when I open the app? I want to view the most recent events first (from top to bottom,) not the oldest. Other apps seem to have an option to reverse the order for displaying events, emails, etc.

View menu ==> sort events ('11 for sure - I think it was the same in '09 - if not there is then neat feature called "HELP" when you can enter a question and get help)
LN

Generating an event with ABAP Progrm

Kudos SDN:
Is there any way to generate an 'Event' using ABAP Progam.?
Thanks in advance,
Pidugu

>
Mark Barton wrote:
> yes - create a program which calls function module BP_EVENT_RAISE.
That function module is obsolete.Shouldnot be used in future.

Ordering of events when printing/pdf-ing

Spent a few hours searching on google and in other forums- I know this issue has come up before, but I couldn't find a single answer or solution anywhere.
Seems that when I go to print the calander (or turn it into a PDF) it decides to completely randomy re-order my events. There seems to be no rhyme or reason to it. In iCal they are in a perfectly logical, organized order. When I go to print, they appear randomly mixed around. Attached some photos- first one is what it looks like in iCal, second is what the pdf looks like. Notice that not only does it re-order the events from the way they appear in iCal, but the way it is re-ordering the events appears to be changing at random from day to day- compare the blue events on the 17th and 24th in image 2- these events are repeating weekly events and were not entered into the calander manually- there is absolutely nothing different about the events on the 17th and the 24th, yet they appear in a different order on each of those days. The orange events are not repeating events and were each entered manually on their given days, but they too are being re-ordered randomly from day to day. I've noticed that this isn't just an issue for all-day events- the exact same problem occurs when multiple events occur at the same time (8am, for example).
Has this just been accepted as an unfixable issue? Super frustrated, spent hours putting a year-long call schedule together for my residency program only to find it's a confusing mess when I try to print it/turn it into a pdf. If there is no solution, does anyone have suggestions for an easy to use app that I CAN use to generate a PDF calander that looks similar?
Thanks for any help,
Crying in California

Hi Al,
I don't think anyone here has figured out how to "control" how iCal prints, though it is a frequent question. I think we are all waiting for iCal 3 or a third party alternative (that taps into iCal data).

Import order for events/rolls

How does iPhoto determine the order it puts imported files in?
When I import several files of photos into iPhoto, they go into Events, but they can be all over the place. I'd like the events in the same Date order as I have them listed in Finder.
If they were in the same date order in Events as they are in Finder, then I could make albums by topic. Not everyone in the family remembers them by date like I do, but could look them up by topic, vacation etc.
I'm trying to simplify my workflow and this would help.
Allie

iPhoto uses the date the photos were taken.
In the Finder, if you sort by date, the Finder uses the date the files were last modified. The last modified date is the date the photos were imported from your camera unless you've edited them in which case the date will change to the date you edited them on.
If you're sorting by Date in the Finder, the order will change as you edit the images because the last modified date will change.
In iPhoto, sorting by date, the order won't change when images are edited because the images are sorted by the date the photos were taken which doesn't change when you edit them.

Order of events in abap

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