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Old 05-22-2009, 05:37 AM
bholus7 bholus7 is offline
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Default What Are The Events In ALV

What Are The Events In ALV


What are the events in alvs and which events not used in alvs?

Events in alv and their FM The main events in alv and their FM and why we use these:

1. SLIS_PRINT_ALV.
2. SLIS_T_LISTHEADER.
3. SLIS_T_EVENT.
4. SLIS_T_SORTINFO_ALV.
5. SLIS_T_LAYOUT_ALV.
6. SLIS_T_FIELDCAT_ALV.

and in classic reports what is the sequence of events: === Events are
At selection-screen output.
Initialization.
At selection-screen on field
At selection-screen on end of field
At selection-screen on Radio****on Group R1. (If you have any radio ****ons)
At selection-screen on block b1. (If you have any blocks)
Start-of-selection.
Get node. (if the data is retreived from a logical database)
Get node late. (if the data is retreived from a logical database)
Top-of-page. (if the write statement is in the end-of-selection event or we can say that before the first write statement)
end-of-selection.
and fuction modules are

LISTHEADER - Is used to print the header information in the ALV List. Name, Date, Time, ALV Name and other details are called as Header information. EVENT - Basically this is the FM to handle Event's. When the user needs to do some event operation like when double clicking the a particular field we need to perform some operation. These events are captured by this FM. LAYOUT - This FM is used to define the layout of the List. There are many options available in this FM to define the Layout style. FIELDCAT - These are used to populate the List header. We can change them according to our req.

User-defined Text Output Event
Application
print_end_of_list
Define output text to be printed at the end of the entire list
print_top_of_list
Define output text to be printed at the beginning of the entire list
print_end_of_page
Define output text to be printed at the end of each page
print_top_of_page
Define output text to be printed at the beginning of each page
subtotal_text
Define self-defined subtotals texts

Mouse-controlled Actions in the Grid Control Event
Application
****on_click
Query a click on a push****on in the ALV Grid Control
double_click
Query a double-click on a cell of the ALV Grid control
hotspot_click
Query a hotspot click on columns defined for this purpose in advance
onDrag
Collect information when elements of the ALV Grid Control are dragged
onDrop
Process information when elements of the ALV Grid Control are dropped
onDropComplete
Perform final actions after successful Drag&Drop
onDropGetFlavor
Distinguish between options for Drag&Drop behavior

Processing of Self-defined and Standard Functions Event
Application
before_user_command
Query self-defined and standard function codes
user_command
Query self-defined function codes
after_user_command
Query self-defined and standard function codes

Definition of Self-defined Functions Event
Application
toolbar
Change, delete or add GUI elements in the toolbar
menu_****on
Define menus for menu ****ons in the toolbar
context_menu_request
Change context menu
onf1
Define self-defined F1 help

All of these can be found under type group SLIS.

* Events
SLIS_EV_ITEM_DATA_EXPAND TYPE SLIS_FORMNAME VALUE 'ITEM_DATA_EXPAND',
SLIS_EV_REPREP_SEL_MODIFY TYPE SLIS_FORMNAME VALUE 'REPREP_SEL_MODIFY', SLIS_EV_CALLER_EXIT_AT_START TYPE SLIS_FORMNAME VALUE 'CALLER_EXIT',
SLIS_EV_USER_COMMAND TYPE SLIS_FORMNAME VALUE 'USER_COMMAND',
SLIS_EV_TOP_OF_PAGE TYPE SLIS_FORMNAME VALUE 'TOP_OF_PAGE',
SLIS_EV_DATA_CHANGED TYPE SLIS_FORMNAME VALUE 'DATA_CHANGED',
SLIS_EV_TOP_OF_COVERPAGE TYPE SLIS_FORMNAME VALUE 'TOP_OF_COVERPAGE',
SLIS_EV_END_OF_COVERPAGE TYPE SLIS_FORMNAME VALUE 'END_OF_COVERPAGE',
SLIS_EV_FOREIGN_TOP_OF_PAGE TYPE SLIS_FORMNAME
VALUE 'FOREIGN_TOP_OF_PAGE', SLIS_EV_FOREIGN_END_OF_PAGE TYPE SLIS_FORMNAME
VALUE 'FOREIGN_END_OF_PAGE',
SLIS_EV_PF_STATUS_SET TYPE SLIS_FORMNAME VALUE 'PF_STATUS_SET',
SLIS_EV_LIST_MODIFY TYPE SLIS_FORMNAME VALUE 'LIST_MODIFY',
SLIS_EV_TOP_OF_LIST TYPE SLIS_FORMNAME VALUE 'TOP_OF_LIST',
SLIS_EV_END_OF_PAGE TYPE SLIS_FORMNAME VALUE 'END_OF_PAGE',
SLIS_EV_END_OF_LIST TYPE SLIS_FORMNAME VALUE 'END_OF_LIST',
SLIS_EV_AFTER_LINE_OUTPUT TYPE SLIS_FORMNAME VALUE 'AFTER_LINE_OUTPUT', SLIS_EV_BEFORE_LINE_OUTPUT TYPE SLIS_FORMNAME VALUE 'BEFORE_LINE_OUTPUT',
SLIS_EV_SUBTOTAL_TEXT TYPE SLIS_FORMNAME VALUE 'SUBTOTAL_TEXT'.

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