Acessing dynamic generated checkBoxes

Hello:
I have a page with a unknown number of checkBoxes
<af:forEach var="chart" items="#{row.charts}">
<af:panelGroup type="horizontal" inlineStyle="text-align:center;">
<af:outputText value="#{chart.week}"/>
<af:selectBooleanCheckbox id="chartweek"/>
</af:panelGroup>
</af:panelGroup>
</af:forEach>
Since these are dynamic generated, i don't have any back-end counterparts, so what i want is to access a array of all the checkBox components in order to see if they are checked and if they are to get their ID?
So my question is, how can i get all components on a Form from the back-end Java code?
Thanks a lot.

I am trying to use the selectManyCheckBox and can't figure it out. I tried using the same type of logic as the SelectManyShuttle in the srdemo, but can't get it to work. The checking of values works (those get populated is my list of selected), but the unchecking doesn't seem to happen (even after unchecking they show up in my list of selected). How did you build the list of booleans?
Thanks,
Doug

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Cross column radio group solution using dynamically generated HTML

I am tasked with creating a screen in Apex matching look and feel of an existing application screen; tabular form, multiple column radio buttons to update a single column value (radio group needs to be row oriented, across multiple columns). I could not find a way to use HTMLDB_ITEM.RADIO_GROUP () function for this due to the radio group being column based, great as a row selector but not for use across columns (each button being a column).
My first thought was to comprise and use checkboxes via HTMLDB_ITEM.CHECKBOX () for the multiple choices (in each column) and HTMLDB_ITEM.HIDDEN() to hold the chosen value, a JavaScript function for “onClick” event to make the checkboxes in one row act like radio buttons in a radio group. I created a simple application to show the concepts of my solutions …
SQL looks like this:
select pk_id, -- f01
object_to_color, -- f02
HTMLDB_ITEM.CHECKBOX(11, color_choice,
'onClick="chkboxAction('||pk_id||', document.wwv_flow.f11, ''RED'')"', 'RED') red,
HTMLDB_ITEM.CHECKBOX(12, color_choice,
'onClick="chkboxAction('||pk_id||', document.wwv_flow.f12, ''BLUE'')"', 'BLUE') blue,
HTMLDB_ITEM.CHECKBOX(13, color_choice,
'onClick="chkboxAction('||pk_id||', document.wwv_flow.f13, ''GREEN'')"', 'GREEN') green,
color_choice -- f03
from objects_to_color
Columns pk_id and color_choice are set as Show off and Display As Hidden. Note that my HTMLDB_ITEM.CHECKBOX items start with id number 11 (f11 – f13) so as not to conflict with the item id’s Apex will generate on it’s own. I could have used HTMLDB_ITEM functions to create all items and had my own PL/Sql update process.
This creates a tabular presentation with a column for each color choice as a checkbox, shown checked if that color is initially set.
The JavaScript function chkboxAction() clears the other checkboxes if a color is selected and stores the color in the hidden item db column for use in Apex Submit processing. Sorry the identation get's lost in the post!
function chkboxAction (id, ckbx, color) {
// f01 is pk_id (hidden)
// f11 is RED checkbox
// f12 is BLUE checkbox
// f13 is GREEN checkbox
// f03 db column color_choice for update (hidden)
var idx;
// Find row index using pk_id passed in as id argument.
for (var i=0; i < document.wwv_flow.f01.length; i++) {
if (document.wwv_flow.f01.value == id) {
idx = i;
i = document.wwv_flow.f01.length;
if (ckbx(idx).checked == true) {
// Set hidden color_choice column value to be used in update.
document.wwv_flow.f03(idx).value = color;
// Uncheck them all, then reset the one chosen.
document.wwv_flow.f11(idx).checked = false;
document.wwv_flow.f12(idx).checked = false;
document.wwv_flow.f13(idx).checked = false;
ckbx(idx).checked = true;
} else {
// Unchecked so clear color_choice column value to be used in update.
document.wwv_flow.f03(idx).value = '';
This works well and, as an aside, has an added feature that the color can be “unchosen” by unchecking a checked checkbox and leaving all checkboxes unchecked. This cannot be done with radio buttons unless a radio button is added as “no color”.
But what if radio buttons must be used, as in my situation? Here is another solution using custom code to dynamically generate radio buttons for a row based radio group rather than using HTMLDB_ITEM.RADIO_GROUP ().
select pk_id, -- f01
object_to_color, -- f02
'<input type="radio" name="rb'||pk_id||'" id="rb'||pk_id||'_1" value="RED" '||
decode(color_choice, 'RED', 'CHECKED', '')||
' onClick="rbAction('||pk_id||', ''RED'')">' red,
'<input type="radio" name="rb'||pk_id||'" id="rb'||pk_id||'_2" value="BLUE" '||
decode(color_choice, 'BLUE', 'CHECKED', '')||
' onClick="rbAction('||pk_id||', ''BLUE'')">' blue,
'<input type="radio" name="rb'||pk_id||'" id="rb'||pk_id||'_3" value="GREEN" '||
decode(color_choice, 'GREEN', 'CHECKED', '')||
' onClick="rbAction('||pk_id||', ''GREEN'')">' green,
color_choice -- f03
from objects_to_color
The pk_id column is used here to ensure a unique name and unique id for the items. In practice a custom api should be used to generate items in this way.
The JavaScript function is actually simpler for radio buttons because the radio group handles the mutually exclusive logic for choosing a color.
function rbAction (id, color) {
// f01 is pk_id (hidden)
// f03 db column color_choice for update (hidden)
var idx;
// Find row index using evaluation_question_id.
for (var i=0; i < document.wwv_flow.f01.length; i++) {
if (document.wwv_flow.f01.value == id) {
idx = i;
i = document.wwv_flow.f01.length;
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document.wwv_flow.f03(idx).value = color;
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function submit () {
var items = document.getElementsByTagName("INPUT");
for (i=0; i< items.length; i++) {
if (items(i).type == "radio") {
if (items(i).checked == true)
items(i).checked = false;
doSubmit('SUBMIT');
This technique might have general use when using custom items. Comments or improvements on this?
See Oracle Apex site: workspace SISK01, app OBJECTS_TO_COLOR

Just the code for formatting.
Checkboxes to behave like radio group ...
SQL ...
select pk_id,              -- f01
       object_to_color,    -- f02
          HTMLDB_ITEM.CHECKBOX(11, color_choice,
              'onClick="chkboxAction('||pk_id||', document.wwv_flow.f11, ''RED'')"', 'RED') red,
          HTMLDB_ITEM.CHECKBOX(12, color_choice,
              'onClick="chkboxAction('||pk_id||', document.wwv_flow.f12, ''BLUE'')"', 'BLUE') blue,
          HTMLDB_ITEM.CHECKBOX(13, color_choice,
              'onClick="chkboxAction('||pk_id||', document.wwv_flow.f13, ''GREEN'')"', 'GREEN') green,
       color_choice -- f03
from objects_to_colorJavaScript ...
function chkboxAction (id, ckbx, color) {
    // f01 is pk_id (hidden)
    // f11 is RED checkbox
    // f12 is BLUE checkbox
    // f13 is GREEN checkbox
    // f03 db column color_choice for update (hidden)
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    for (var i=0; i < document.wwv_flow.f01.length; i++) {
       if (document.wwv_flow.f01(i).value == id) {
          idx = i;
          i = document.wwv_flow.f01.length;
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      document.wwv_flow.f03(idx).value = color;
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      document.wwv_flow.f11(idx).checked = false;
      document.wwv_flow.f12(idx).checked = false;
      document.wwv_flow.f13(idx).checked = false;
      ckbx(idx).checked = true;
    } else {
      // Unchecked so clear color_choice column value to be used in update.
      document.wwv_flow.f03(idx).value = '';
}Radio button solution ...
SQL ...
select pk_id,              -- f01
       object_to_color,    -- f02
       '<input type="radio" name="rb'||pk_id||'" id="rb'||pk_id||'_1" value="RED" '||
            decode(color_choice, 'RED', 'CHECKED', '')||
            ' onClick="rbAction('||pk_id||', ''RED'')">' red,
       '<input type="radio" name="rb'||pk_id||'" id="rb'||pk_id||'_2" value="BLUE" '||
           decode(color_choice, 'BLUE', 'CHECKED', '')||
           ' onClick="rbAction('||pk_id||', ''BLUE'')">' blue,
       '<input type="radio" name="rb'||pk_id||'" id="rb'||pk_id||'_3" value="GREEN" '||
           decode(color_choice, 'GREEN', 'CHECKED', '')||
           ' onClick="rbAction('||pk_id||', ''GREEN'')">' green,
       color_choice -- f03
from objects_to_colorJavaScript ...
function rbAction (id, color) {
    // f01 is pk_id (hidden)
    // f03 db column color_choice for update (hidden)
     var idx;
     // Find row index using evaluation_question_id.
    for (var i=0; i < document.wwv_flow.f01.length; i++) {
       if (document.wwv_flow.f01(i).value == id) {
          idx = i;
          i = document.wwv_flow.f01.length;
    // Set hidden result column referenced in update.
    document.wwv_flow.f03(idx).value = color;
function submit () {
// Clears radio buttons to prevent Apex trying to post and causing page error.
var items = document.getElementsByTagName("INPUT");
for (i=0; i< items.length; i++) {
    if (items(i).type == "radio") {
      if (items(i).checked == true)
        items(i).checked = false;
doSubmit('SUBMIT');
}

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Edited by: askMore on Aug 6, 2009 12:25 PM

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oaflowlayoutbean.addIndexedChild(oamessagestyledtextbean);
oamessagetextinputbean.setNameBinding(new CrossTableColumnData(i, "Name"));
oamessagetextinputbean.setTextBinding(new CrossTableColumnData(i, "Text1"));
oamessagetextinputbean.setAttributeValue(DESCRIPTION, new DataBoundValue(new CrossTableColumnData(i, "Label")));
oamessagetextinputbean.setAttributeValue(COLUMNS_ATTR, "12");
oamessagetextinputbean.setAttributeValue(PRIMARY_CLIENT_ACTION_ATTR, OAWebBeanUtils.getFirePartialActionForSubmit(oamessagetextinputbean, null, "update", hashtable, null));
oamessagetextinputbean.setDataType("NUMBER");
oamessagetextinputbean.setAttributeValue(READ_ONLY_ATTR, new DataBoundValue(new CrossTableColumnData(i, "ReadOnly")));
oamessagetextinputbean.setAttributeValue(ON_SUBMIT_VALIDATER_ATTR, new DataBoundValue(new CrossTableColumnData(i, "SubmitValidator")));
oamessagedatefieldbean.setNameBinding(new CrossTableColumnData(i, "Name"));
oamessagedatefieldbean.setTextBinding(new CrossTableColumnData(i, "Text1"));
oamessagedatefieldbean.setValueBinding(new CrossTableColumnData(i, "Text1"));
oamessagedatefieldbean.setAttributeValue(DESCRIPTION, new DataBoundValue(new CrossTableColumnData(i, "Label")));
oamessagedatefieldbean.setAttributeValue(COLUMNS_ATTR, "12");
oamessagedatefieldbean.setAttributeValue(PRIMARY_CLIENT_ACTION_ATTR, OAWebBeanUtils.getFirePartialActionForSubmit(oamessagedatefieldbean, null, "update", hashtable, null));
oamessagedatefieldbean.setDataType("DATE");
oamessagedatefieldbean.setAttributeValue(READ_ONLY_ATTR, new DataBoundValue(new CrossTableColumnData(i, "ReadOnly")));
oamessagestyledtextbean.setTextBinding(new CrossTableColumnData(i, "Text2"));
return oaflowlayoutbean;
Pls let me know for any clarifications.
Thanks,
Srikanth

How to run business services as dynamically generated Subject?

Hi experts,
I have configured a business service which puts a message on a JMS queue in a weblogic container other than ALSB's weblogic container.The queue is configured with a security policy [say a 'MessagePublisher' role], so that only users with role of 'MessagePublisher' can send message to that queue.
We have different partners SFTPing messages(xml/csv/excel format) to us, of which only few of them would have a role of 'Message Publisher'. I have configured a proxy to read these files from a directory, however sender of some of these messages may not have a role of 'Message Publisher'.
I am expecting the senders' credentials to be appended to the message by some process on SFTP server. How can I generate a 'Subject' within a proxy using these credentials and do a run as on the business service, so that only users with the role of 'MessagePublisher' succeed in sending message to the queue.
I probably can configure my business service to run as a user account who has the relevant role, but I do not want to hard code the UserAccount within business service and obtain a user account using sender's credentials.
Is ALSB not supposed to be used as suggested above?Would highly appreciate any thoughts on this..
Regards.

The JMS business service can use only a static service account. I think this has an undesirable implication that the business service cannot be invoked as a dynamically generated subject.
Only way I know of to enforce role based access control in this scenario is to have an extra proxy service in front of JMS business service. Enforce access control over this extra proxy service.
To invoke this extra proxy service with credentials embedded embedded in the message, I think you need to look at "custom authentication" option under message level security. I am not sure how this would work. May be someone here can explain that.

Many times dynamic generate UIElement at Runtime ???

Hello Everyone,
I wanna generate a UIElement (InputField) at runtime. When man click a button "Add InputField", then a UIElement (InputField) is dynamic generated. Man can generate many times UIElement"InputField" with this button.
I have tried the Webdynpro Tutorial 17. But not yet any idea.
Plx give me some suggestions and code.
Thanks in advance
best regards
Yaning

hi
for this create 2 int variables <b>act</b> and a <b>counter</b>
//@@begin others
static int act,counter=0;
//@@end
<b>in Doinit set act to 0.</b>
public void wdDoInit()
    //@@begin wdDoInit()
    act=0;
    //@@end
<b>create an action(onActionCreate_Element) and assign it to the button ui element</b>
public void onActionCreate_Element(com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent )
    //@@begin onActionCreate_Element(ServerEvent)
    act = 1;
    //@@end
<b>in wdDoModifyView</b>
public static void wdDoModifyView(IPrivateDynamicView wdThis, IPrivateDynamicView.IContextNode wdContext, com.sap.tc.webdynpro.progmodel.api.IWDView view, boolean firstTime)
    //@@begin wdDoModifyView
    if( act== 1)
         IWDTransparentContainer con= (IWDTransparentContainer)view.getElement("RootUIElementContainer");
         IWDInputField input = (IWDInputField)view.createElement(IWDInputField.class,"input1"+counter);
         IWDAttributeInfo test = wdContext.getNodeInfo().addAttribute("name"+counter,"ddic:com.sap.dictionary.string");
         input.bindValue(test);
         input.setVisible(WDVisibility.VISIBLE);
         counter++;
         con.addChild(input);
                act = 0;
    //@@end

How to put links (name anchors) in a dynamic generated page

I have a page (results.asp) that gets dynamically generated
from a db using a DW and MySQL app. The page (a table) looks
sometihng like this:
Year Card #
1951 01
1951 02
1951 03
1952 01
1952 02
1953 01
1953 02
1953 03
and so on
I've made the "Year" column a text link and added a Pop-Up
Menu behavior so that users could select a year and jump directly
to a specific section of the page (table). However, I'm not sure
how to put a <a href> name anchor in for each of the years.
For instance calling :
<a name="1951">1951</a>
from a declaration of:
<a href="#1951">Go to year 1951</a>
I would want to call each year (1951, 1952...1973) using name
anchors. But again, I'm not sure how to put all the named anchors
in a document that gets dynamically generated. It is a a table that
gets its data generated via a Repeated Region. Hope this question
makes sense. Any suggestions/comments appreciated. Thanks.

If you year card allways follows that format then you could
use the
following code on the page.
Outside of the repeat region have this statement
<%
Dim TestYear, CurrentYear, ThisYearCard
TestYear = "0000"
%>
Then in the repeat region where you want the anchor to appear
use this code
<%
ThisYearCard = recordset.fields.item("YearCard").value
CurrentYear = Left(ThisYearCard, 4)
If TestYear <> CurrentYear then
response.write("A name='") & CurrentYear & "'>"
TestYear = CurrentYear
End if
%>
Where you want the Year card to appear you would then use
<%=ThisYearCard%>
rather than the recordset element.
Paul Whitham
Certified Dreamweaver MX2004 Professional
Adobe Community Expert - Dreamweaver
Valleybiz Internet Design
www.valleybiz.net
"obcbeatle" <[email protected]> wrote in
message
news:e67pg5$rp0$[email protected]..
>I have a page (results.asp) that gets dynamically
generated from a db using
>a
> DW and MySQL app. The page (a table) looks sometihng
like this:
>
> Year Card #
> 1951 01
> 1951 02
> 1951 03
> 1952 01
> 1952 02
> 1953 01
> 1953 02
> 1953 03
> and so on
>
> I've made the "Year" column a text link and added a
Pop-Up Menu behavior
> so
> that users could select a year and jump directly to a
specific section of
> the
> page (table). However, I'm not sure how to put a <a
href> name anchor in
> for
> each of the years. For instance calling :
>
> <a name="1951">1951</a>
>
> from a declaration of:
>
> <a href="#1951">Go to year 1951</a>
>
> I would want to call each year (1951, 1952...1973) using
name anchors.
> But
> again, I'm not sure how to put all the named anchors in
a document that
> gets
> dynamically generated. It is a a table that gets its
data generated via a
> Repeated Region. Hope this question makes sense. Any
> suggestions/comments
> appreciated. Thanks.
>

Issue with emailing dynamically generated PDF (InteractiveForm UI element)

Hi Experts ,
I have a requirement according to which i need to generate PDF dynamically using webdynpro java and email the dynamically generated PDF.
I am facing issue while emailing the dynamically genarated pdf.
It gives me an exception :
nested exception is: javax.mail.MessagingException: IOException while sending message; nested exception is: java.io.IOException: no data
This is because its unable to get the binary data (byte array) of the dynamically generated PDF which is required to send mail.
Could some one suggest me how to fetch the binary data of the dynamically generated PDF.
For dynamic PDF generation i am using dynamic generation of UI element   InteractiveForm UI Element
In case of static PDF (i.e. the PDF genarated by inserting the InteractiveFrom Ui element on the view using the insert child option) we do set the pdf source property of Interactive Form UI element to a context variable attribute of type binary but my problem is ,how to set the PDF source of a dynamically generated Interactive form UI element to a context variable attribute of type binary ..
Any help would be highly appreciated.
Regards ,
Navya

Hi Frank ,
the code to generate PDF dynamically is written in the WdDoModifyView section of the view as the PDF need to be generated dynamically., i.e. by adding InteractiveForm UI elements at runtime.
I tried the code suggested by you but i gave mean exception.
errorjava.io.FileNotFoundException:
(The system cannot find the path specified)
Kindly let me know where i am going wrong .
Below is the code that i had written in a separate method m_mail().
This would take as input the name of the dynamically generated data node and is called from the wdDoModifyView section of the view
public void m_mail( java.lang.String p_dynamicnodeName )
               ByteArrayOutputStream templateSourceOutputStream = new ByteArrayOutputStream();
          //        This would need to have the Templatefile in the Mimes-Directory of the Webdynpro-Component
               String templateUrl = WDURLGenerator.getResourcePath(wdComponentAPI.getDeployableObjectPart(), "AdobeView1_InteractiveForm.xdp");
               InputStream templateSourceInputStream = new FileInputStream(templateUrl);
               IOUtil.write(templateSourceInputStream, templateSourceOutputStream);
               IWDPDFDocumentCreationContext pdfContext = WDPDFDocumentFactory.getDocumentHandler().getDocumentCreationContext();
               pdfContext.setData(WDInteractiveFormHelper.getContextDataAsStream(wdContext
               .nodeCtx_vn_dynmcnd()
               .getChildNode(p_dynamicnodeName, IWDNode.NO_SELECTION)));
               pdfContext.setTemplate(templateSourceOutputStream);
               pdfContext.setInteractive(false);
               IWDPDFDocument pdf = pdfContext.execute();
               if (pdf != null) {
                pdfArray = pdf.getPDF();
Kindly let me know where am i going wrong.
Regards ,
Navya

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