JavaScript Function Question

In a JavaScript function call can I do a callablestatement or a preparedstatement? I have a button onClick that I want to call a function and in that function I want it to send 2 input values to a callablestatment but not sure how or the best way to do this.

JavaScript is not Java.
But assuming you are talking about initiating a server side request that does prepared statements from the use of a client side button, you could make an AJAX request.
If you are talking about an embedded JavaScript engine in a Java application then you would do it the same way you call any Java from JavaScript when using it as a scripting enigne.

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About use mouse middle key to call JavaScript function question

I want use mouse middle key to call JavaScript function (<a href="javascript:help()">) help() will open a new Window and direct to my GUI Help Page but when I click it with middle key ,it will open new Tab blank Page that url="javascript:help()"; can not Executive help function... Is this a Firefox Bug or correct behavior in Firefox? thank.

You need to use a left click to handle JavaScript links.
See also http://kb.mozillazine.org/browser.link.open_newwindow.restriction

ADF Question: call javascript function from backing bean?

Hi all,
I am running JDeveloper 10.1.3.3 with ADF BC.
Heres my situation:
I have a table, and after inserting a new row, then committing, I want to call a javascript function. I tried using the onkeyup javascript to force a click of the save button, and then call my function after that. However, I really only want the second function to be called AFTER the commit has occurred.
I have tried putting a setTimeout on the second function, but this never executes then. Is there some way that I can call the second javascript function from the backing bean? Is there a better workaround for this? Here is some code:
        function submitCreate(e) {
            var _event = (window.event) ? event : e;
            var KeyID = _event.keyCode;
            switch (KeyID)
                case 13:
                    document.getElementById("form1:tvoTable:commitButton").onclick();
                    doAjax();
                    break;
        function doAjax() {
            var item = document.getElementById("form1:inputText3").innerHTML;
            getAjax(item, "FULL");
        }Thanks,
Heather

Maybe try adding an af:script block in your jsp as a partial target in your backing bean when you commit to the database? We are doing something similar when we get a tab DisclosureEvent but the principle should be the same.
In our jsp we have:
<af:script id="scriptID" text="alert('javascript here');"/>
In the backing bean we have:
method(DisclosureEvent de) {
// get a component somehow or the component, we get it from the disclosure event
// but you could use a binding also. if you don't have the exact script element you need
// to find it like we do below.
UIComponent c = de.getComponent();
// Find our real script component
UIComponent target = c.findComponent(":scriptID");
// get the adf context
AdfFacesContext adfContext = AdfFacesContext.getCurrentInstance();
// add the script as a partial target.
if(target != null) {
adfContext.addPartialTarget(target);
This relies on PPR though, which you may not be doing. If you are navigating to a new page you could set an indication in a backing bean and then access that in an <af:script> block in the new page or even generate the Javascript you want depending on your logic and access all of it via an EL binding on the af:script tag:
<af:script id="scriptID" text="#{bbean.generatedScript}"/>
Hope this helps!
Steve

How can I have a backing file call a JavaScript function?

I have a Weblogic portal with a JSP portlet. The portlet has a backing file. How can I get the backing file to call a JavaScript function in my portlet?
thanks

Hi
your questions are not correct because you are mixing up server side operations with client side operations.
First server side code executes then the page is sent to the browser , then any javascript executes on the browser. So asking for javascript to be called from backing file (server side) doesn't make sense or asking for javascript to read a parameter doesnt exactly work either.
However in your server code suppose you have a variable action in the request that you want javascript to know then in your JSP you would add something like
<script type="text/javascript">
var action = '${requestScope.action}';
alert(action);//or whatever you want to do
<c:if test="${requestScope.someOthervariable == ''xyz'}"><%-- this check is done on the server --%>
callSomeJavascript(); <%--this javascript is only executed when the server side value of someOtherVariable is xyz --%>
</c:if>
</script>
i.e. you can output the javascript that has the variables you need or the function calls you want.
Like I said understand whats server side and whats client side.

How to put a jsp variable into a javascript function?

Please read the following coding. I want to pass the variable ans from jsp to the function check_answer() of javascript. ans is a string got from database. But I cannot put the variable ans into the Javascript function. Can anyone help?
<script language="Javascript">
function check_answer() {
if (testing.result.value==ans ){
window.alert("You have got 10 marks.");
</script>
<body>
<form name="testing"...>
<%
ResultSet rs = stmt.executeQuery("select * from level where...");
while(rs.next())
out.println("<tr>");
out.println("<td>" + rs.getString("question") + "</td>");
ans = rs.getString("answer");
out.println("</tr>");
out.println("<input type='text' name='result'>);
out.println("<input type='button' value='Enter' onclick='check_answer()'>");
%>

The following should be able to pass ans.
<script language="Javascript">
function check_answer(ans) {
if (testing.result.value==ans ){
window.alert("You have got 10 marks.");
</script>
<body>
<form name="testing"...>
<%
ResultSet rs = stmt.executeQuery("select * from level where...");
while(rs.next())
out.println("<tr>");
out.println("<td>" + rs.getString("question") + "</td>");
ans = rs.getString("answer");
out.println("</tr>");
out.println("<input type='text' name='result'>);
out.println("<input type='button' value='Enter' onclick='check_answer('<%= ans%>')'>");
%>jag

VC++ WebBrowser call Javascript function in a frame of the main page

I can successfully call JS function in the main page from VC++, but when I call the JS function in frame, GetIDsOfNames() return DISP_E_UNKNOWNNAME. The question can be describe as below:
main page is INDEX.HTM, loaded in webbrowser control, src:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Sample</title>
<script type="text/javascript">
function FuncMain()
alert("Main Page Function Called!");
</script>
</head>
<body>
<div>
<div id="div_test1">
<iframe id="page_test1" width="100%" height="100%" src="test1.htm" frameborder="0" scrolling="no"></iframe>
</div>
<div id="div_test2">
<iframe id="page_test2" width="100%" height="100%" src="test2.htm" frameborder="0" scrolling="no"></iframe>
</div>
</div>
</body>
</html>
test1.htm src:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<div>Test1 frame page</div>
</body>
</html>
test2.htm src:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript">
function showAlert(x)
alert(x);
function callVC()
window.external.VCFuncTest();
</script>
</head>
<body>
<div>Test2 frame page</div>
<div id="test_btn" style="background-color:red;width:100px;height:100px;cursor:pointer;" onclick="callVC();">Test</div>
</body>
</html>
in VC++:
VC++ code can call JS functions by CWebPage class, I found it here: http://www.codeproject.com/Articles/2352/JavaScript-call-from-C
in my VC project, webPage.CallJScript(_T("FuncMain")) succeeded!
webPage.CallJScript(_T("page_test2.showAlert") failed, the GetIDsOfNames() return DISP_E_UNKNOWNNAME. BTW, webPage.CallJScript(_T("showAlert")
also failed! Same error.
any help?
Best Regards!

Thanks for your reply Viorel_.
i know i can define a function in the main page:
function showAlert_Main(x)
document.frames('page_test2').showAlert(x);
then, webPage.CallJScript(_T("showAlert_Main"))
succeeds.
but this function is just an empty shell doing nothing, and i know there must have a way to call showAlert(x) directly.

How to get value stored in javascript function and display in a JSP

i am doing a questionaire which is for user to input data in every question, After user input the data, a javascript function will be called to do some score calculation. Since each question will carry its final score after the calculation by the javascript function, so i use an array to store those scores and then display those scores in the same page.
However, i have to make a confirmation page to display both data and calculated score in another jsp, i only know how to display the data as it is a textfield that i can get the value by "request.getParameter("textfield1"); but i dun know how to get those scores as they are stored in an array in the javascript function, what way i can do??

thank you for all your help!
I have chosen to set the score value to the hidden field when every time run the function
<script language="javascript">
function cal(index){
var thisForm = document.MC;
thisForm.score1.value=score[index];//set value to the hidden field
</script>
<input type="hidden" name="score1" value="">
<input type="hidden" name="score2" value="">
<input type="hidden" name="score3" value="">
The function will calculate only one score when every time being called. So that i can only assign one score to one hidden value at a time.
e.g, assign score[1] to thisForm.score1.value
assign score[2] to thisForm.score2.value
assign score[3] to thisForm.score3.value
how can i do this??

Calling Javascript function from PL/SQL Page Process

Hi All,
So far I have seen many threads that answered the question: Calling a PL/SQL from a Javascript function. I would like to know if it's posiible to do the reverse process as follows:
DECLARE
   v_name APPLICANTS.NAME%Type;
   v_surname APPLICANTS.SURNAME%Type;
   v_idNumber APPLICANTS.ID_NUMBER%Type;
BEGIN
   select name, surname
   into v_name, v_surname
   from APPLICANTS
   where id_number = :P2_ID_NUMBER;
   //Javascript function call Syntax is what i'd like find out
   onchange="javascript:show_Name(v_name,v_surname);";
EXCEPTION
   WHEN OTHERS
   THEN
   onchange="javascript:show_Exception(v_name,v_surname);";
END;& Javascript function to shiow applicant's details is:
function show_Name(item1,item2){
   alert('Applicant's Name is: ' + item1 + ' & Surname is: ' + item2);
}THANK YOU!
Regards
Kamo

Hi Dinesh, Thanks for the response!
I've also tried doing the following without success:
DECLARE
   v_name APPLICANTS.NAME%Type;
   v_surname APPLICANTS.SURNAME%Type;
   v_idNumber APPLICANTS.ID_NUMBER%Type;
BEGIN
   select name, surname
   into v_name, v_surname
   from APPLICANTS
   where id_number = :P2_ID_NUMBER;
   htp.p('<script type="text/javascript">');
   htp.p('
            alert('Applicant's Name is: ' + v_name + ' & Surname is: ' + v_surname);
   htp.p('</script>');
EXCEPTION
   WHEN OTHERS
   THEN
   htp.p('<script type="text/javascript">');
   htp.p('
         alert('Exception.');
   htp.p('</script>');;
END;Do you know why this is not working?
Regards
Kamo

Calling Javascript function from PL/SQL Process

I am new to APEX and Javascript so please forgive my question.
I have a process on page which successfully runs a few procedures etc. but now, as part of this process, I want to call a javascript function I have typed into the HTML Header.
My question is how can I call the javascript function from my process? Is it possible?
Many thanks
Winnie
ps. as an example my javascript looks like:
<script language="JavaScript">
function test(){
var decision = confirm("Click a button below and watch what pops up next.");
alert(decision);
</script>

See: How to call a javascript function from pl/sql?

Calling a JavaScript function from an JApplet...

Can anyone help? Is it possible to call a JavaScript function from within a JApplet? If so, what is the syntax? I've seen reference to the Netscape package but I've been led to believe it doesn't always work within Internet Explorer 6 which is the target browser.
If the above is not possible can anyone tell me if and how it is possible to load images from outside the init() method of a JApplet? This would allow me to work around the problem.
Thanks in advance - Jim.

Call javascript you use the JSObject
Please note the MAYSCRIPT int the html file.
html file:
     <object classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
              height="0" width="0" >
        <param name="code" value="someApplet.class" />
        
        <object classid="java:someApplet.class"
                height="0" width="0"
                mayscript=true>
        </object>
        
      </object>
<LABEL id="lblOutputText">This text is the HTML text </LABEL>java class:
// new class for jsObject!!!! compile this: javac -classpath "C:\Program Files\Java\jre1.5.0\lib\plugin.jar" someApplet.java
// since jaws.jar does not exsist anymore
// in 1.4.0 to compile: javac -classpath "C:\j2sdk1.4.0_03\jre\lib\jaws.jar" someApplet.java
// for msjvm use the -source 1.3 -target 1.1 option so the command looks like this:
// javac -source 1.3 -target 1.1 -classpath "C:\j2sdk1.4.0_03\jre\lib\jaws.jar" someApplet.java
import netscape.javascript.*;
public class someApplet extends java.applet.Applet {
    JSObject win;
    public void init() {
         try{
             win = JSObject.getWindow(this);
// you need win.eval("window.close();"); // to close the window. if the current window is not a popup
// opened by a parent with window.open than the user will get a waring, your next question probably will
// be "can I stop this warning" and the answer is simple: NO
             JSObject textBoxLabel = (JSObject) win.eval("document.getElementById('lblOutputText')");
             textBoxLabel.setMember("innerHTML", "<center><h1>Some text</h1></center>");
        }catch(Exception e){
             e.printStackTrace();
}

Is it possible to call a JavaScript function from a dialog?

Hi there,
At the moment I have created a dialog, that consists of three text fields that a user fills out, and then clicks next.
What I am attempting to do, is pass the result of these three textboxes to a JavaScript function I have laying in a file in Web Resources. I've done some research, and I can't find anything.
So my question is - is it possible to call a JavaScript function from a dialog?
Thanks for your time.

Hi,
It is not possible unfortunately. We can start dialog from script but not the other way unfortunately. However, you can always write server side code for this and it will surely execute. So instead of javascript, write plug-in.
Hope this helps.
Minal Dahiya
blog : http://minaldahiya.blogspot.com.au/
If this post answers your question, please click "Mark As Answer" on the post and "Vote as Helpful"

Making a commandButton's action dependant on a javascript function's result

Hi guys,
I have a command button "Login". I have a managed bean "userLoginInfoBean" with session scope whose "loginToSystem" method I want to call when user clicks on Login button.
<h:commandButton id="loginButton" type="submit" value="Login" style="font-family: Verdana; font-size: 8pt" action="#{userLoginInfoBean.loginToSystem}">So far so good. Its working perfect.
Now before calling the action, I want to call a javascript function isGoAhead(). This javascript function will return true or false. Only when it returns true then I want to call the action.
How can I do it in JSF?
Thanks

I know using onclick attribute I can call my javascript function "isGoAhead()"
<h:commandButton id="loginButton" type="submit" value="Login" style="font-family: Verdana; font-size: 8pt" onclick="isGoAhead();" action="#{userLoginInfoBean.loginToSystem}">But the question is how to make sure that the commandButton's action only gets called if the return value from "isGoAhead()" is true?
Thanks

Call .xhtml file from javascript function

Hi,
Is there a way to call .xhtml page from javascript function???

BalusC wrote:
Yes there are some ways. But this question has nothing to do with JSF and certainly not with Java at all. Javascript is an entirely different language, although it has a similar syntax as Java (and unforunately also a similar name, they should never have renamed it from ECMAScript).I think ECMAScript is a renaming from JavaScript. The originally JavaScript was called LiveScript by Netscape. I've heard that the ECMAScript name was deliberately chosen to be unsexy.

Issue with firePartialAction or how to include JavaScript Functions

We are using the Client Action Type: firePartialAction on an element in a region of type: TABLE. When a user enters data in here and tabs away, the action fires and recalculates 2 other fields in the same region. On a object with a small number of rows, it seems to work fine. However, when you have a large number of rows (anything over 25), the page seems to hang for nearly a minute and then when it does come back, the values are sometimes not calculated properly.
The only reason we are using firePartialAction is because the dev guide says that JavaScript is not supported by OAF. We would much rather use a client-side JavaScript function to do these simple arithemtic operations rather than do them on the server.
My question is two-fold:
1 - Has anyone experienced this issue and are there any other settings or coding tricks that we should be aware of.
2 - Has anyone ever rendered a page with a custom JavaScript tag (or library)? Also, where would you add the code in JDeveloper to get a particular element to execute a particulate javascript function (ie: onchange=MCalc())?

The firePartialAction event is not working for us, so we need to be able to at least try out javascript. We're rendering the page from an XML file, so it's not clear to us how we would even get a custom HTML tag to render into the page at all. Normally, I'd use some kind of HttpServletResponse.getWriter()...println method call to write html (as in a controller servlet), but how would you do that using the OAWebBean? I checked the OAFromattedTextBean, would that allow me to embed onchange into the field?

Maximum number of Arguments in Javascript function

Is there a way to handle large number of arguments to a Javascript function ?
abhay

Hello,
Well this is more a pure javascript question than a HTML DB you should ask google.
But it depends what you are doing with your function, if each value is a specific variable then no your function will have to look like f(nul,null,null,1,null,null,null,.........) .
If you are using them to populate an js array you can iterate through your arguments or just provide the array are your argument.
Personally and I do know a little about javascript I would avoid like the plague any js function that requires 50 arguments ( i usally start looking at a different solution at abut 10 arguments) especially if most of them could be null, there absolutely has to be a better way to do it.
Like breaking up into smaller more specific functions or creating a js object that is more robust, agian you should ask google.
Carl

JavaScript Function Question

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