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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     load dropdown dynamically using javascript

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load dropdown dynamically using javascript
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Kamesh
Master
posted
Hi,

I am trying to populate the dropdown using javascript when I click the button. I tried the following code but no luck.

if (myXmlRoot || loadXmlDoc())
{
var pattern="//input_controls/input_control[@id='" + fldname + "']/link[@persistentuniqueid='" + linkid + "']/condition/data_info";
alert("Myxmlroot : "+ myXmlRoot);
alert("Pattern : " + pattern);
var requestNode = getSingleNode(myXmlRoot, pattern);
alert("RequestNode : " + requestNode);
if (requestNode)
{
alert("inside if");
requestNode.setAttribute("datasource", ibif_ex);
requestNode.setAttribute("IBIMR_folder", ibimr_folder);
requestNode.setAttribute("displayfield",fldname1);
requestNode.setAttribute("datafield",fldname2);
}
}


Anybody did this. I searched in forum but found most of the posts related to chaining.

Any help in this issue would be appreciated.


WFConsultant

WF 8105M on Win7/Tomcat
 
Posts: 780 | Location: Florida | Registered: January 09, 2005Report This Post
JL
Silver Member
posted Hide Post
I have used the following method to populate a changing dropdown list into a HTML page created via HTML Composer.


  • Create an iframe - iframe1
  • Create a javascript function:
    function populateDDList() {
  var randomNum=Math.random();
  window.iframe1.location.href='/ibi_apps/WFServlet?IBIF_ex=lookup_DD.fex&random='+randomNum;
}

    Note: In this example, the fex is not in the MRE. Just adjust the href to point to MRE domain, if the fex is in MRE.

  • The focexe (lookup_DD.fex) that generates the options
    -* Prepare the dropdown list 
DEFINE FILE xxxxxx
CNT/I11=LAST CNT + 1;
CNT_ALPHA/A11=TRIM('L', EDIT(CNT), 11, '0', 1, 'A11');
OPTIONS/A300='DDList.options['||CNT_ALPHA||'] = new Option('''||fieldname||''','''||fieldname||''');';
END
TABLE FILE xxxxxx
PRINT
OPTIONS
BY  fieldname NOPRINT
ON TABLE HOLD AS  HLD_DD_OPT FORMAT ALPHA
END
-RUN
 
-* Display the list of route names
-HTMLFORM BEGIN
<SELECT style="POSITION: absolute; TOP: 0px; LEFT: 0px; WIDTH: 220px;" id="cb_dropdown" name="cb_dropdown"></SELECT>
 
<script type=text/javascript>
function refreshOptions() {
  var ddList=document.getElementById("cb_dropdown");
  for(var i=ddList.options.length-1; i>=0; i--)
  {
    ddList.remove(i);
  }
  ddList.options.length = 0;
  !IBI.FIL.HLD_DD_OPT;
}
 
refreshOptions();
</SCRIPT>
 
-HTMLFORM END


This message has been edited. Last edited by: JL,


Year(s) of experience in WebFOCUS: 5+. Using WebFOCUS 7.7.03 on Windows platform with Oracle/SQL Server.
 
Posts: 41 | Registered: September 08, 2008Report This Post
Kamesh
Master
posted Hide Post
I am trying to use the javascript functions doRepopulateInputControls(persistentuniqueid) or other functions but nothing works.

I am not getting any error but it is not loading the dropdown.

Any thoughts from the experts here.


WFConsultant

WF 8105M on Win7/Tomcat
 
Posts: 780 | Location: Florida | Registered: January 09, 2005Report This Post
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