Programatically changing a portlets theme on first view only

I have a need to highlight a portlet when it is displayed on a page for a user
when the user first views the page. After this first page access i need to remove
the hightlight so it the portlet is the same as the exisiting ones.
I think i can do this by creating a highlight theme (like the Alert theme in the
samples app) and applying in the admin tool when the portlet is added to the page.
I can set the ThemeDefinitionId on the portlet instance using the PortletInstance
object but will this only be effective during this session ? I need somehow to
set the users personalization so that it knows the user has viewed the portlet
and then change the theme back to the default one for all other accesses.
Is it possible to do this or is there another solution that i can use. This will
have to be done on all portlets on all pages so performance is a big consideration.
TIA
Martin

Hello
The layout is defined in gd_layout.
I'm not sure if I understand.
The program does show the subtotals already. But I want a collapsed view like this.
http://www.filedump.net/dumped/200809021450331220359886.png

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Hello
This is how my current report looks like.
[http://www.filedump.net/dumped/200809021357031220356701.png]
Want I want is the first column to be collapsed on first view. The help file had this to say:
subtot
'X' = Subtotals for control level changes
o comp (INTERNAL USE ONLY)
o expa
Prequisite:
IT_SORT-SUBTOT = 'X', that is, the sort criterion is also the
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If no complete breakdown but only a breakdown to totals level n that
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list is output for the first time, you must set the indicator for
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I do not understand that part, and haven't found any threads that cover this. I'd de thankful if somebody could help me out.
bye
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*& Example of a simple ALV Grid Report *
*& The basic requirement for this demo is to display a number of *
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REPORT zdemo_alvgrid .
TABLES: ekko.
type-pools: slis. "ALV Declarations
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TYPES: BEGIN OF t_ekko,
ebeln TYPE ekpo-ebeln,
ebelp TYPE ekpo-ebelp,
statu TYPE ekpo-statu,
aedat TYPE ekpo-aedat,
matnr TYPE ekpo-matnr,
menge TYPE ekpo-menge,
meins TYPE ekpo-meins,
netpr TYPE ekpo-netpr,
peinh TYPE ekpo-peinh,
END OF t_ekko.
DATA: it_ekko TYPE STANDARD TABLE OF t_ekko INITIAL SIZE 0,
wa_ekko TYPE t_ekko.
*ALV data declarations
data: fieldcatalog type slis_t_fieldcat_alv with header line,
gd_tab_group type slis_t_sp_group_alv,
gd_layout type slis_layout_alv,
gd_repid like sy-repid.
*Start-of-selection.
START-OF-SELECTION.
perform data_retrieval.
perform build_fieldcatalog.
perform build_layout.
DATA: T_SORT TYPE SLIS_T_SORTINFO_ALV.
DATA: S_SORT LIKE LINE OF T_SORT.
S_SORT-SPOS = '0'.
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S_SORT-SUBTOT = 'X'.
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*S_SORT-FIELDNAME = 'GL ACCOUNT FIELD NAME'.
*S_SORT-UP = 'X'.
*S_SORT-SUBTOT = 'X'.
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"    * I.e. Field type may be required in-order for
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fieldcatalog-col_pos = 0.
fieldcatalog-outputlen = 10.
fieldcatalog-emphasize = 'X'.
fieldcatalog-key = 'X'.
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"    * fieldcatalog-no_zero = 'X'.
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clear fieldcatalog.
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fieldcatalog-col_pos = 1.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'STATU'.
fieldcatalog-seltext_m = 'Status'.
fieldcatalog-col_pos = 2.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'AEDAT'.
fieldcatalog-seltext_m = 'Item change date'.
fieldcatalog-col_pos = 3.
*fieldcatalog-key = 'X'.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'MATNR'.
fieldcatalog-seltext_m = 'Material Number'.
fieldcatalog-col_pos = 4.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'MENGE'.
fieldcatalog-seltext_m = 'PO quantity'.
fieldcatalog-col_pos = 5.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'MEINS'.
fieldcatalog-seltext_m = 'Order Unit'.
fieldcatalog-col_pos = 6.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'NETPR'.
fieldcatalog-seltext_m = 'Net Price'.
fieldcatalog-col_pos = 7.
fieldcatalog-outputlen = 15.
fieldcatalog-do_sum = 'X'. "Display column total
fieldcatalog-datatype = 'CURR'.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'PEINH'.
fieldcatalog-seltext_m = 'Price Unit'.
fieldcatalog-col_pos = 8.
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form build_layout.
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gd_layout-colwidth_optimize = 'X'.
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"    * gd_layout-zebra = 'X'.
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form display_alv_report.
gd_repid = sy-repid.
call function 'REUSE_ALV_GRID_DISPLAY'
exporting
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tables
t_outtab = it_ekko
exceptions
program_error = 1
others = 2.
if sy-subrc = 0.
"    * MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
"    * WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
endif.
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form data_retrieval.
select ebeln ebelp statu aedat matnr menge meins netpr peinh
up to 10 rows
from ekpo
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I'm not sure if I understand.
The program does show the subtotals already. But I want a collapsed view like this.
http://www.filedump.net/dumped/200809021450331220359886.png

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