Refreshing UI Elements

Dear developers,
What is the general way to refresh a UIElement when one of its "source" binding has changed? Rebind the source ? Is there any "hidden" call somewhere that can be performed?
Regards,
Olivier MATT

Hi Olivier.
1. If you just change the value of an context attribute which is bound to any UI-
Element, the UI-Element gets refreshed automatically if your change triggers a
roundtrip. So If you change the value inside an action for example the UI-ELement
will be updated.
2. The supply method is only called once that is in the moment the context node
changes by adding a new element. But a supply method is not a must. You can
fill the context node with elements or change a certain element in any method
(action, inbound plug) you want to by getting a refernce to the node and bind a
table for example. But as hack you can call the supply method directly which is
not the best design I guess ...
But from your initial post I had the feeling you want to know how to refresh the UI-
Element if the binding of one of its attributes changes to another context
node/attribute, right?
I would guess that if you change the binding by calling:
lr_uielement->bind_*( 'NODE.ATTRIBUTE' )
the change should be visible directly after the roundtrip was triggered.
Cheers,
Sascha
Message was edited by:
Sascha Dingeldey

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Hello,
I have added lines to JTextArea.
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Here's an example
* ThreadTest.java
* Created on 31 August 2007, 14:32
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Copy the schema and the XML document to the same directory.
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<?xml version="1.0"?>
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Refresh buttom missing in the S_ALR_87013554 report in ECC6.0

Hi,
We have recently upgraded SAP from 4.6B to ECC6.0. We found that the refresh button is missing in the S_ALR_87013554 report. It was available in 4.6B.
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Regards,
Harish

go to
settings -> option
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report -> refresh
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Hi Experts,
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roshini

Hi Roshni,
Can you explain in detail what type of event do you want to put on your form. Do you want to refresh the elements on your form by clicking some button?
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a) Select the outline of your Form and then click the Configure button in the task-panel
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By the way, the if some event can be put on some UI element, it has to be defined in the same way, ie by going to the properties of that element.
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Bye
Ankur
Reward points if it helps!!

BW Bex Text Elements

Hello
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About creating an AJAX page with DML procedures using dynamic actions

About creating an AJAX page with DML procedures in APEX using dynamic actions. Help with limitations.
I want to share my experience, creating AJAX procedures in APEX 4.0.
LIMITATIONS
•     How Can I Hide UPDATE button while I press NEW button. ??
•     How Can I Hide CREATE button while I’m UPDATING A RECORD. ??
•     How can I avoid multiple Inserts or Updates. ??
Here are the steps to create an AJAX Updatable Form using the sample table DEPTS. You can see the demo here: [http://apex.oracle.com/pls/apex/f?p=15488:1]
1)     Create a blank page
2)     Add a Report Region for departments (It shows the columns deptno, dname and loc).
3)     Add an HTML Region and create the elements to edit a Department.
a.     P1_DEPTNO (Hidden to store PK)
b.     P1_DNAME (Text Field)
c.     P1_LOC (Text Field)
4)     You also have to create a hidden element called P1_ACTION. This will help to trigger dynamic actions to perform DMLs.
5)     Open Page Attributes and in the HTML Header Section include the following code.
<script>
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          $x_Value(‘P1_ACTION’,’SELECT’);
</script>
6)     Modify the column DEPTNO in the report, to add column link. In the link text you can use #DEPTNO# , in target you must select ‘URL ‘ and in the URL field write javascript:doSelect(#DEPTNO#);
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CANCEL     Redirects to URL: javascript:$x_Value(‘P150_ACTION’,’CANCEL’);
NEW          Redirects to URL: javascript:$x_Value(‘P150_ACTION’,’NEW’);
SAVE          Redirects to URL: javascript:$x_Value(‘P150_ACTION’,’UPDATE’);
CREATE          Redirects to URL: javascript:$x_Value(‘P150_ACTION’,’CREATE’);
8)     Create the following Dynamic Action to Select a Department
Name:     Select Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     SELECT
Action:     Execute PL/SQL Code
PL/SQL Code:
SELECT dname, loc
INTO :P1_DNAME, :P1_LOC
FROM dept
WHERE deptno = :P1_DEPTNO;
Page Items to Submit:     P1_DEPTNO, P1_DNAME, P1_LOC
Don’t include any false action and create the Dynamic Action.
The first limitation, the value of page elements don’t do refresh so I added the following true actions to the dynamic action AFTER Execute PL/SQL Code.
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_DNAME
Page Items to submit:     (none) (leave it blank)
Affected Elements: Item P1_DNAME
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_LOC
Page Items to submit:     (none) (leave it blank)
Affected Elements: Item P1_LOC
These actions allow refresh the items display value.
9)     Create the following Dynamic Action to Update a Department
Name:     Update Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     CREATE
Action:     Execute PL/SQL Code
PL/SQL Code:
UPDATE dept SET
dname = :P1_DNAME,
loc = :P1_LOC
WHERE deptno = :P1_DEPTNO;
Page Items to Submit:     P1_DEPTNO, P1_DNAME, P1_LOC
Don’t include any false action and create the Dynamic Action.
Include the following True Actions BEFORE the Execute PL/SQL Code true Action.
Action:     Set Value
Unmark ‘Fire on page load’ and ‘Stop execution on error’
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_DNAME
Page Items to submit:     P1_DNAME
Affected Elements: Item P1_DNAME
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_LOC
Page Items to submit:     P1_LOC
Affected Elements: Item P1_LOC
These actions allow refresh the items display value.
Finally to refresh the Departments report, add the following true action at the end
Action:     Refresh
Affected Elements: Region Departments
10)     Create the following Dynamic Action to Create a Department
Name:     Create Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     CREATE
Action:     Execute PL/SQL Code
PL/SQL Code:
INSERT INTO dept(deptno,dname,loc)
VALUES (:P1_DEPTNO,:P1_DNAME,:P1_LOC);
Page Items to Submit:     P1_DEPTNO, P1_DNAME, P1_LOC
Don’t include any false action and create the Dynamic Action.
Include the following True Actions BEFORE the Execute PL/SQL Code true Action.
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Function Body
PL/SQL Function Body:
DECLARE
v_pk NUMBER;
BEGIN
SELECT DEPT_SEQ.nextval INTO v_pk FROM DUAL;; -- or any other existing sequence
RETURN v_pk;
END;
Page Items to submit:     P1_DEPTNO
Affected Elements: Item P1_DEPTNO
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_DNAME
Page Items to submit:     P1_DNAME
Affected Elements: Item P1_DNAME
Action:     Set Value
Unmark ‘Fire on page load’ and ‘Stop execution on error’
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_LOC
Page Items to submit:     P1_LOC
Affected Elements: Item P1_LOC
These actions allow refresh the items display value.
Finally to refresh the Departments report, add the following true action at the end
Action:     Refresh
Affected Elements: Region Departments
11)     Create the following Dynamic Action to delete a department
Name:     Delete Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     DELETE
Action:     Execute PL/SQL Code
PL/SQL Code:
DELETE dept
WHERE deptno = :P1_DEPTNO;
Page Items to Submit:     P1_DEPTNO
Don’t include any false action and create the Dynamic Action.
Include the following True Actions AFTER the Execute PL/SQL Code true Action.
Action:     Refresh
Affected Elements: Region Departments
Action:     Clear
Unmark ‘Fire on page load’
Affected Elements: Items P1_DEPTNO, P1_DNAME, P1_LOC
12)     Finally Create the following Dynamic Action for the NEW event
Name:     New Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     NEW
Action:     Clear
Unmark *‘Fire on page load’*
Affected Elements: Items P1_DEPTNO, P1_DNAME, P1_LOC

I need some help to solve this issues
•     How Can I Hide UPDATE button while I press NEW button. ??
•     How Can I Hide CREATE button while I’m UPDATING A RECORD. ??
•     How can I avoid multiple Inserts or Updates. ??

Apex 4.0 Image Buttons to update SQL Where clause of Report?

I made a table called Letters with 1 column in it called Letter and the data in it is simply A,B,C, to H. I made an apex form around this table and then created two image buttons A and B that display above the reporting area b/c i want to be able to click on the A image button and have it update the Where clause for the Letters table to be "Where Letter = A" (so once you click the A button, only the A will appear), same for the B button. I have attached a link to an album of images to show what i'm trying to do to better explain it. I just can't figure out what or how to make it so that the image button can update the where clause. I should note that i am relatively new to Apex and i tried using a dynamic action to do it but can't get this to work.
Link to images of what i have so far-> http://imgur.com/a/guxkd/oracle_apex_40_use_image_buttons
Any suggestions?
Edited by: Brobot on Feb 8, 2011 9:58 PM

Since you are using some kind of button(with images or otherwise) , add some attributes to identify them together aswell as uniquely.
For instance if you add a name and an a common classname to each button
For example, in button attributes for A this could be
name="A" class="where_clause_button"You can use these attributes to trigger a Dynamic action which can refresh the report.
Since you want the report to be filtered based on the button(ie using the "name" attribute of the corresponding button) , you need to set that value in some hidden item, say P100_FILTER_LETTER. and add a where clase to your Report Region' SQL Query
WHERE <column name> = :P100_FILTER_LETTERNow create a Dynamic Action as
Event :Click
Triggering Element : jQuery selector
Selector : *.where_clause_button*
<li>True action 1 : Execute Javascript code
filter_item_name = 'P100_FILTER_LETTER'
this_button_name = $(this.triggeringElement).attr('name');
//Set session state of Hidden Item before refresh
var ajaxRequest=new htmldb_Get(null,$v('pFlowId'),'null',$v('pFlowStepId'));
ajaxRequest.add( filter_item_name ,this_button_name );
var ajaxResult=ajaxRequest.get();<li> True Action 2: Refresh
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Name : Choose Report Region Name
Hope it helps

Populate list item dynamically

Hi all.
I have a problem. I must populate a list item with a select, using the add_list_element statement inside a loop, using a cursor. My problem is that I must parametrize the select of the cursor: I pass a parameter in the procedure which is a field of the select of the cursor, but I have no result. The statement is the follow
cursor c1 is
select distinct("name of the parameter")
from table
order by 1;
When I execute this statement I have no result. Is there anyone to help me???
Thank you all for your collaboration.

Hi dear,
as for as i understood your problem, you want to populate the element list with a select query and your are using cursor and add_elements for this purpose which is complex and lenghtly,
why dont you use populate_group and populate_group_with_query built-ins instead of add_elements built in, by above mentioned two builts ins, you can populate the element list with a query and even you can refresh your element list at any time during runtime by populate_group_by_query. here is an example, you can also take benefit from forms builder help;
in new_form_instance trigger write following code to populate a list with select query;
DECLARE
rg_id RecordGroup;
errcode NUMBER;
BEGIN
rg_id := Create_Group_From_Query( 'LIST1_GRP','select code_name, code_no from any_table where code_name = ''0107''',FORM_SCOPE,200);
errcode := Populate_Group( rg_id );
Clear_List('CNOTE_TYPE');
Populate_List('CNOTE_TYPE','ACCNO_GRP');
end;
user populat_group_by_query to refresh list elements after the forms is already load and elements list is already populated.
any further question, feel free.

Marker and graphics pagination problems

Hi,
we have GRAPHICS inside an element:
<Chart>
     <GRAPHICS>
The pagination is set to Top of right page, so every chart is on its own page. When we insert a marker before the Chart element, the pagination is broken:
<Chart>
     <GRAPHICS>
<ChangeM>
<Chart>
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Viktor

Viktor,
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Hope this helps some,
Russ

Text element not gettin refreshed in smart form

Hi
Text element does not get refreshed in the smart form preview.
I have a selection screen on which i have a few selection parameters and three application
toolbar buttons. "Save" , "Preview" and "Print". At the end of selection screen I have a
button "text" which when clicked takes me to the text element editor(FM 'TEXT_EDIT' )
I have to enter a project number on the selection screen, enter all other details and
then click on the "Text" button. I would then change /edit some text etc and come back
to sel screen. Now i click on preview , the smart form shows up and the text gets dispalyed
with the modified text.
I am passing the text name by appending "sometext" + project number to the TEXT_EDIT
and while eiditing and as a parameter to the smart form. In the smart form i have given the variable in the "include text".
Now Herez the problem.
I am still in selection screen and clik on the "text" button and it takes me to the
text editor. Now i add more lines, save and come back. Now i clik on preview
button and it displays the old text data.
When i come out of the transaction and renter , clik on the preview it displays data
correctly. Now if i repeat the steps
1.edit text button , add a few lines
2.preview button, shows data as entered in step 1.
3.edit text button, add few more lines
4.preview button .. the text displays is from step 1 and not 3.
I am not sure if this is lot of info for anybody to write an answer straight away but
if u need more info i can provide. I can do a read_text in the smart form but its toooooo
much of a pain for the data i need to display. million adjustments to be taken care of.
What could be the problem ? I have given all the basic settings like save parameter
in edit_text fm , checked all the print preview options in sdn.
Here are my questions
1. Why is the text element not getting refreshed.
2. After a form is displayed for preview , will it store anywhere in the buffer ? if yes
is there any method to clear it ?

Hi,
The problem is not with text elements, it might be your size of window which you are using to display the text elements. Check your window size and modify that accordingly.
Cheers,
Bujji

Elements 12 does not refresh on Win7 AMD FirePro M6100

I installed Elements 12 on a new Windows 7 laptop with an AMD FirePro M6100 adapter.
When I try to move the Premiere window the only thing that shows movement is the bottom section that has "Undo... Redo... Organizer... etc."
If I drag another window, such as Firefox or Excel, over the Premiere window, it refreshes. But if I try to move the Premiere window again, it has the same problem.
Any thoughts?

What is your exact graphics adapter driver version?
Have you gone to the vendor web site to check for a newer driver?
For Windows, do NOT rely on Windows Update to have current driver information
-you need to go direct to the vendor web site and check updates for yourself
ATI Driver Autodetect http://support.amd.com/en-us/download/auto-detect-tool

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