Jsf and javascript to disable a button

Hi
is there a way to get the following code to disable the button called next
when the button "btn" is clicked i call the javascript function myFunc but it does not disable the button called "Next"
<html>
     <head>
          <title>Personal Info</title>
     </head>
     <body>
     <script type="text/javascript">
     function myFunc()
          document.personalForm.Next.disabled=true;
     </script>
          <f:view>
               <h:form id="personalForm">
               <h:commandButton id="Next" value="Next" action="doSomething" />
               <h:commandButton id="btn" value="button" immediate="true" onclick="myFunc()" />
               </h:form>
          </f:view>
     </body>
</html>

You should write Javascript according to the HTML source, not to the JSF code.
View the generated HTML source and base your JS on that.

Similar Messages

JSF and JavaScript

As far as I can see JSF is just a non-portble more verbose version of HTML which just generates a subset of HTML more slowly and with extensive studying a new HTML-like language.. It seems to add nothing, take away a lot, and double complexity.. But that is not important.. Why would web developers want to load the server with validation code when JavaScript in the Browser can increase performance by a factor of 100.. Shouldn't we be striving to use JavaScript in the Browser to enrich and speed up the user experience instead of cutting that avenue off and reinventing an even more clunky and obscure wheel? Is there anyway to have a "tabbed pane" which doesn't rebuild an entirely new page and send it back to the client? Similarly, do any of the implementations encourage client-side validation of simple form inputs using Javascript. Java seems to be being taken over by people with IQs hovering around 100.. I have never understood where most of the J2EE expeditions do anything for Comp. Sci. except reinvent a slower more obscure less portable version of something already a standard..

Troa, my website has been moved and I need to work on it to get it working again.. I have the source code but I think that would just be confusing.. Basically, there are buttons which call a Javascript function with onClick().. The function shows a form with stuff like this
function show(formname)
formEl[oldform].style.display = "none";
var form = formnum(formname);
formEl[form].style.display = "block";
oldform = form;
and some other DHTML using the newer browser Javascript to just hide a form of components and display another one.. All the components are downloaded at the start.. The buttons just hide and disply..
As for 1000s of records in tables, it works beautifully if you zip the data as a javascript array.. When the next button is pressed another Javascript function renders the HTML for a page.. It is less network traffic than one page of a normal table.. I'll get it back up working soon and point you to it and the source code.. I just need to install Sun Web Server on my Website, but it is very small in terms of disk size..
Maybe you should send me your email so we are not filling the forum with personal communication.. My email is [email protected]

Jsf and javascript variables

Hello, I am working on a visual jsf project.Inside my project, in a bean java class I have a string variable.Also, I have a jsp page in my project which has some javascript code inside it.Now, I want a method of the javascript to get the value of the string variable that I have in my bean.How is that possible?
for example, I have the method
function showAddress(address){
and a variable in my bean: String addr;
So I want when I run my project, the value of "address" in my javascript function to have the value of the string addr,but I haven't figured out how I can do that.

as balusc said:
The jsf code is generated on server side, then sent to the client (browser). At this time javascript can't call any jsf related code anymore.
But what you can do is assign a value to a javascript variable when you are processing the jsf file on the server side. Or you can work with ajax and make requests to the server...
If you work with an IDE, you will notice it will not allow you to assign a javascript value to a jsf variable, no matter how you write it :) The other way round it works

Is it possible and legal to disable home button and the screenshot feature in an ipad app?

I am being asked to develop an iPad app that can't be closed until some actions are done, also it must prevent the use of screenshot feature and the home button. Is this possible? Is this legal? In case of this not being legal what would happen (in legal terms) if I do develop it?

It's impossible to develop an iPad app that can't be closed until some actions are done. The iPad programmer cannot override what happens when the user presses the 'Home' button. The 'Home' button will always tell the front application to go to the background, and if that application doesn't cooperate within a reasonable time it will be terminated.
Bear in mind that an iPad is an overgrown iPhone. It's always possible that someone will phone you up when you're running an app, and the app must release control and let you answer that phonecall.
I suggest you discuss the design philosophy with whoever wants the application, remembering that computers are meant to help us do what we want to do, not boss us about.

Howto disable a button within APEX?

This might sound like APEX for dummies, but I'm currently having an issue with presenting a plain old HTML button in APEX in disabled mode (non-clickable). In HTML this is no problem when using "disabled", but in APEX, it doesn't work because APEX makes "disabled=" out of "disabled".
1. How can I display the button in a "disabled" state within APEX?
2. How can I dynamically determine if the button should be displayed as disabled or not?
Any help is appreciated.

Hi,
I did something very similar recently (and to be honest the methodology is very close to what Riedelme has suggested already):
1) Create a hidden item in the region containing the button(s) to be disabled (ensure it is AFTER the buttons you wish to disable)
2) In the Post Element Text field of the item, enter Javascript to disable the button(s) - for example :
<script type="text/javascript">
$x_disableItem('P999_BUTTON1',true);
$x_disableItem('P999_BUTTON2,true);
etc.
</script>
3) Set the Conditional Display of this item to the result of a PL/SQL function returning BOOLEAN - in this case this would be your authorisation function or whatever. Or you could use whichever conditional formula meets your setup.
This way, whenever this hidden item is loaded i.e. authorisation fails for example, the javascript snippet will be loaded and executed, and your buttons will be disabled!
Hope that makes sense!
Chris

Use rich:fileUpload/ to enable/disable my buttons with checking file names

Hello!
I need to upload some files with using <rich:fileUpload>,and i did it but i need to check file names for some reasons and enable or disable upload button but my problem is that when i open my modal panel and click add button of <rich:fileUpload> and then add upload button of <rich:fileUpload>(not my upload button but upload button wich <rich:fileupload> has) i check file name but the button is not enable/disable until i close my modal panel and open it agin,so i need to know how to modify my code to make it work?
<rich:modalPanel id="uploadFile" autosized="true" resizeable="false">
                <f:facet name="header">
                 <h:panelGroup>
                     <h:outputText value="uploadFiles"></h:outputText>
                 </h:panelGroup>
             </f:facet>
             <h:form>
                  <rich:fileUpload maxFilesQuantity="#{uploadBean.maxUploadFiles}" allowFlash="true" fileUploadListener="#{uploadBean.uploadListener}" immediateUpload="false"/>
                         <table>
                            <tr>
                                 <td><h:commandButton disabled="#{!uploadBean.xlsNameValid}" rendered="#{!uploadBean.admin}" action="#{uploadBean.upload}" value="upload" /></td>
                                 <td><h:commandButton action="#{uploadBean.clearFiles}" value="cancel" id="cancel"/></td>
                            </tr>
                       </table>
             </h:form>
             <rich:componentControl for="uploadFile" attachTo="cancel" operation="hide" event="onclick"/>
          </rich:modalPanel>

No the problem is that file is being checked on server side, but if file is invalid the button Upload(my button ,not standart rich:fileUpload) must be disbaled,and shown,but i have to close this modal panel and open it again to see my button enabled/disabled

To disable the horizontal scrollbar and to create a next button to navigate

To disable the horizontal scrollbar and to create a next button to navigate through the records. At present I create a JSF page and drag and drop my table view and then using the Tuning property I have limited the number of records to be shown. But I need to add a button and then code it to display the next few records. Can someone kindly suggest a suitable mechanism to get this accomplished.
Edited by: 888970 on Oct 2, 2011 10:15 PM

Hi Erp,
At present these are the entries that I have in my JSPX page.
I have a Table, Iterator and a Input List of Values. As per the scenario, I want a few rows to appear on the table for which I wanted to disable the horizontal scroll bar and then once I click on the list of values it must prompt me with the remaining page numbers.
Earlier there are about 150 records in the table. I want to show them as 15 per page.
For which I have added the Iterator and a LOV component code in my JSPX page.
<af:iterator id="i1"
value="#{bindings.NsEventDetailsView1.collectionModel}"
var="row"
binding="#{pageFlowScope.testPageBean.myIterator}"/>
<af:inputListOfValues label="Label 1"
popupTitle="Search and Result Dialog" id="ilov1"/>
Then I created the bean class as per the example.
Below is the bean class:
import javax.faces.event.ValueChangeEvent;
import oracle.adf.view.rich.context.AdfFacesContext;
import org.apache.myfaces.trinidad.component.UIXIterator;
import org.apache.myfaces.trinidad.event.AttributeChangeEvent;
public class TestPagebean {
public TestPagebean() {
public void i1ov1_valueChangeListener(ValueChangeEvent valueChangeEvent) {
// Add event code here...
private UIXIterator myiter;
public void setI1(UIXIterator myiter) {
this.myiter=myiter;
public UIXIterator getmyiter() {
this.myiter=myiter;
public UIXIterator setmyiter() {
return myiter;
UIXIterator valueIterator = getmyiter();
if (!valueChangeEvent.getNewValue().equals(valueChangeEvent.getOldValue())) {
int newPage =
Integer.parseInt(valueChangeEvent.getNewValue().toString());
int pageStart = (newPage) * valueIterator.getRows();
valueIterator.setFirst(pageStart);
AdfFacesContext.getCurrentInstance().addPartialTarget(valueIterator);
But i am getting errors in the bean class.
1. Block expecting }
2. public UIXIterator getmyiter() {
this.myiter=myiter;
Return Statement missing
3. Block expecting {
4. Type or variable 'valueChangeEvent' not found
5. Method 'getNewValue' not found
6. Method 'getOldValue' not found
7. Method 'toString' not found
Can you suggest a possible solution?

Apex generating javascript to disable button onClick

I have navigational buttons in a region to go, for example, to the "Next" page.
APEX is including:
onClick="javascript:this.disabled=true;"
as part of the "Next" buttons attributes.
So that after the user clicks the "Next" button and goes to the next page,
if they click the browsers Back button, the "Next" button is indeed disabled.
The Next button is disabled in FireFox but remains enabled in IE. Thus causing
confusion for the user using FireFox.
So I'd like to have APEX not generate this javascript at all.
Is there a way to turn that off? Some switch on the page/region/button that I'm
not seeing?
Or is this just the old browser back button problem?
Thanks in advance.

I have processes that make calls to packages on the back-end so I don't know if importing it into the Oracle Apex hosted environment will work.
This may or may not help but these are the page by page steps I took in creating these buttons.
1- Click the "Create" button icon in the "Buttons" area in the "Page Rendering" column.
2- "Select a region for the button:" (Gave it an existing region to reside in).
3- Choose: "Create a button in a region position"
4- Give it a Name and a Label. Click "HTML Button". Leave the default "Submit Page and Redirect to URL".
5- Choose a Region Position, Sequence, Alignment (under "Button Attributes" is where I assigned it a style but NOT for this button).
6- Choose a page to branch to.
7- Click "Create button". (no display condition chosen if you clicked the Next button).
8- Run Page
9- View the Source
There it is:
<input type="BUTTON" value="Test" onClick="javascript:this.disabled=true; doSubmit('TEST');" >
and it also creates the Branch that redirects to the page I specified based on the buttons name (I think it uses name, still a little new to this).
so i dunno. 8-( Just wondered if that sequence of events seems normal.

Screen Personas 2.0 Enable/Disable script button in Javascript

Hi,
Has anyone tried enabling or disabling script buttons on a flavor using Javascript. I have two script buttons,
The first one (Button1) searches for a contract based on the contract id provided by the user in a text box. (So, the script triggers the transaction me33k, fetches and displays the relevant fields in the flavor)
Now, based on whether the contract is present in the system the user needs to click another script button (Button2) which will allow him to create an order. Currently the button is disabled (ScriptButton.IsEnabled = false in the Properties menu).
In the Button1 script towards the end, I need to enable Button2 is a contract is found. So in the Button1 script, at the final step I try to calculate in JS and write the following JS code,
var args.btn2id = document.getElementById("Personas/blahblahblah");
args.btn2id.disabled = false;
But this is never works. And I have noticed that the control id does not return the control object in Javascript (so, args.btn2id is always null) and I tried removing the '/' and various other options.
Has anyone ever tried to enable/disable buttons in Personas? Is it even possible?
Abhijeet

You don't have access to the Personas control properties from JavaScript to dynamically change them.
About the only thing that comes to mind is Tobias' method to hide the script button if you want to disable it.

Delete button action and javascript

Hi! In old JDeveloper 10g I can put to my delete button JavaScript to open confirm window on button click - if(confirm(\'You are about to delete the selected record.\' )) {return true;} else {return false;}"
What can I do in JDeveloper 11g and how to implement this functionality?
Best regards, Debuger!

Timo! When I do like You said then I have error: javax.servlet.ServletException: java.lang.NullPointerException
I created popup and droped ther my delete button from my form. Then in form I created button that shows popup! I removed delete button disabled property so I can press it. But when I run my app. and click on delete button in popup then the following error occours:
javax.servlet.ServletException: java.lang.NullPointerException
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:277)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:94)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:138)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:70)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:159)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:326)
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     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
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Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException
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     at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
     at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:190)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:90)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:309)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:94)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:102)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:90)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:309)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:94)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:96)
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     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     ... 36 more
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I accidently installed NoScript when trying to remove adverts/pop-ups. Now it's causing problems on various sites I regularly use and I can't get rid of it. It doesn't show up on Tools/Add- ons so I can disable and JavaScript has been disabled, even though it shows as 'Enabled'.
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The usual method for uninstalling extensions and themes is by using the Add-ons manager for your Mozilla application, as follows.
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How to Disable a Button Using JavaScript

Hi,
I want to disable a button based on a condition. I am using a template based button (button Alternate 3). I am using Theme 3. I have created buttons of type item but when I view the source there is no button name populated in the html. My javascript is not disabling the button.
Please advice.
Thanks
sukarna

Hi,
You can't disable an A tag (FireFox, for example, will still let you click the "link").
What you could do would be to create a second button that doesn't work and only show one of these at a time.
I have done that here: [http://apex.oracle.com/pls/otn/f?p=35917:30]
The Button has been based on a custom Button Template. The definition for this is:
<table class="t10Button" cellspacing="0" cellpadding="0" border="0" summary="" id="#BUTTON_ATTRIBUTES#">
<tr>
<td class="t10L"><a href="#LINK#"><img src="#IMAGE_PREFIX#themes/theme_10/button_left.gif" alt="" width="4" height="24" /></a></td>
<td class="t10C"><a href="#LINK#">#LABEL#</a></td>
<td class="t10R"><a href="#LINK#"><img src="#IMAGE_PREFIX#themes/theme_10/button_right.gif" width="4" height="24" alt="" /></a></td>
</tr>
</table>
<table class="t10Button" cellspacing="0" cellpadding="0" border="0" summary="" id="#BUTTON_ATTRIBUTES#_DISABLED" style="display:none">
<tr>
<td class="t10L"><img src="#IMAGE_PREFIX#themes/theme_10/button_left.gif" alt="" width="4" height="24" /></td>
<td class="t10C" style="padding:1px 4px;">#LABEL#</td>
<td class="t10R"><img src="#IMAGE_PREFIX#themes/theme_10/button_right.gif" width="4" height="24" alt="" /></td>
</tr>
</table>This actually creates two buttons - the first one, which actually has the link, is visible to start with. The second one, which has no link at all, starts off as invisible.
Both buttons use the #BUTTON_ATTRIBUTES# setting to get the button name into the ID - though the second button adds "_DISABLED" to this so that it has a unique, but known, ID
Then it is just a case of calling a function to show one button and hide the other or vice versa:
<script type="text/javascript">
function disableButton()
document.getElementById('P30_TEST_BUTTON').style.display = "none";
document.getElementById('P30_TEST_BUTTON_DISABLED').style.display = "block";
function enableButton()
document.getElementById('P30_TEST_BUTTON').style.display = "block";
document.getElementById('P30_TEST_BUTTON_DISABLED').style.display = "none";
</script>Another possibility is to add the #BUTTON_ATTRIBUTES# to the TABLE tag instead of the A tag in a new button template (based on a copy of the normal Button template). Then, the ID value would be applied to entire "button". You can then make this invisible using:
$x('BUTTON_ID').style.visibility = 'hidden';The button will be removed from the page as far as the user is concerned, so they can not click the link.
Andy

How to disable OK button of faces message and make it modal

Hello all,
I am using this code for displaying faces messages programatically :
*public String showMessage() {*
String messageText=”A prgramatic af:message”;
FacesMessage fm = new FacesMessage(messageText);
** set the type of the message.*
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Please Suggest.
Thanks

Hello All,
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hi all,
i am using
Forms [32 Bit] Version 6.0.8.24.1 (Production)
Oracle Database 10g Release 10.2.0.1.0 - Production
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i have the items like date,remarks and button
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for this in pre-record trigger i have written
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i have to make enable and disable the button for the corresponding record.that means if first record's remarks column is not null then only first records button should be enabled others should be disabled.
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You need to set the No. of items displayed to 1 as Ammad had said, additionally you can set the X and Y Position (Just Y will do and having fixed X) of the button depending upon the current record.
can u explain this part alone bit more (setting the position of x and y)You need to calculate the variable Y_POS depending upon the current position of the cursor that is the current record.
You can find the current record Y_POS using combination of
V_CURRENT_RECORD := :SYSTEM.CURSOR_RECORD;
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V_ITEM_Y_POS := GET_ITEM_PROPERTY ('ITEM_NAME', Y_POS);
-- Also needs to add the Y_POS of the relative other items in the muti-record block
V_HEIGHT := GET_ITEM_PROPERTY ('BUTTON_NAME', HEIGHT);
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V_Y_POS := V_ITEM_Y_POS + ((V_CURRENT_RECORD - V_TOP_RECORD) * V_HEIGHT);
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[/code[
Hope this helps
Best Regards
Arif Khadas
Edited by: Arif Khadas on Feb 24, 2011 4:58 PM

Message-Mapping: Button Connect marked field and subsructures is disabled

Hi everybody,
I have a graphical mapping. And I want wo use the button "Connect marked field and subsructures".
But the button is disabled.
(Other buttons in this panel are also disabled)
Do you know any reasons?
Thanks
Regards Mario
Edited by: Mario Müller on May 19, 2009 7:22 AM

Hi,
in
XI mapping button disabled
They write I have to Use JAVA 1.4.2.
I downloaded 1.4.do I have to do next?
In the blog the write
"Go to your control panel->Java->java tab->view."
Which control panel is meant? How do I get there?
Thanks
Regards Mario

Jsf and javascript to disable a button

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