Triggering method after loading of gui

hi there.
I have a single frame java application that connects to a mysql instance for data storage.
What I would like is to trigger a method after the gui loads.
How can this be accomplished?
Cheers

Just do what all the IDEs generate code to do: invoke SwingUtilities.invokeLater() after creating all the GUI objects.

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Calling a backing bean method after load of fragment in adf

I needed to call a backing bean method after page load of fragment in adf.
I used the method suggested in:
https://community.oracle.com/message/11044570
only difference is im giving the if clause as:
if (refreshFlag == RegionBinding.RENDER_MODEL ) {
instead of
if (refreshFlag == RegionBinding.PREPARE_MODEL)
It was working fine, but page was not getting refreshed so used the code as mentioned in example:
public void refresh() {
          FacesContext facesContext = FacesContext.getCurrentInstance();
          String refreshpage = facesContext.getViewRoot().getViewId();
          ViewHandler viewHandler =facesContext.getApplication().getViewHandler();
          UIViewRoot viewroot = viewHandler.createView( facesContext, refreshpage);
          viewroot.setViewId(refreshpage);
          facesContext.setViewRoot(viewroot);
Now issue is once page is loaded and backing bean method is called, the refresh code refreshes the page and upon page load, refresh method is called again in recursive fashion.
please advise what to do in such scenario?
I tried to do selective refresh using some variable(also with static) but it does not help as page wont be refresh at all or page will keep refreshing recursively.

Use clientListener on the page load event
<af:document id=”d1″>
    <af:serverListener type=”onloadEvent”
                       method=”#{<managedbean name>.<method name>}”/>
    <af:clientListener method=”onLoadClient” type=”load”/>
    <af:resource type=”javascript”>
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How to call a javascript method after table load on JSFF Fragment load?

Hello,
The usecase is to invoke a javascript method after table is done loading (fetching data) when user lands to a JSFF fragment. With JSPX pages I can achieve that by using PagePhaseListener. I have tried with RegionController as follows, and the problem i face is that I cannot prevent multiple calls to the Javascript call when user presses a tab or button in a screen, or changes drop-down value with autosubmit on.
import javax.faces.context.FacesContext;
import oracle.adf.model.RegionBinding;
import oracle.adf.model.RegionContext;
import oracle.adf.model.RegionController;
import org.apache.myfaces.trinidad.render.ExtendedRenderKitService;
import org.apache.myfaces.trinidad.util.Service;
public class MyListener implements RegionController{
public MyListener() {
super();
@Override
public boolean refreshRegion(RegionContext regionContext) {
int refreshFlag = regionContext.getRefreshFlag();
System.out.println("Render flag is: "+refreshFlag);
if (refreshFlag == RegionBinding.PREPARE_MODEL)
initializeMethod();
regionContext.getRegionBinding().refresh(refreshFlag);
return false;
public boolean validateRegion(RegionContext regionContext) {
regionContext.getRegionBinding().validate();
return false;
public boolean isRegionViewable(RegionContext regionContext) {
return regionContext.getRegionBinding().isViewable();
public void initializeMethod() {
FacesContext f = FacesContext.getCurrentInstance();
ExtendedRenderKitService service = Service.getRenderKitService(f, ExtendedRenderKitService.class);
service.addScript(f, "myJSFunction();");
@Override
public String getName() {
return null;
I need the javascript to be called only once after the table is done loading when user lands to a fragment (jsff).
Any ideas appreciated?
JDeveloper version is 11.1.1.5.0
Thank you.
Valon
Edited by: Valon on Apr 11, 2013 3:10 PM

One of the requirements is to compare every row with the next row and highlight the changes. There are other requirements as well where JavaScript solution is used.
The question remains the same. Is it doable or not without changing the solution from JavaScript solution to server-side solution ? Can we call a JavaScript only once when the user lands to a jsff fragment ?
Hope that is clear.
Thanks.
Valon

How to execute a method after page Load?

My question is very similar to what was discussed in following thread:
How to execute a method after page Load?
My requirement is that I want to run a method in backing bean of a page, immediately after the page gets loaded. In that method I want to invoke one of the method action included in the pagedef of this page, conditionally.
I tried using the approach given in the above thread, i.e to use <f:view afterPhase="#{backing_security.setPermPriv}">, but the problem is that our page is not using 'f:view' , so I explicitly added one f:view with afterPhase property set , but it is not working, page it self is not getting loaded, it is throwing the error:
Root cause of ServletException.
java.lang.IllegalStateException: <f:view> was not present on this page; tag [email protected]e8encountered without an <f:view> being processed.
     at org.apache.myfaces.trinidad.webapp.UIXComponentELTag.setProperties(UIXComponentELTag.java:108)
     at javax.faces.webapp.UIComponentClassicTagBase.findComponent(UIComponentClassicTagBase.java:733)
     at javax.faces.webapp.UIComponentClassicTagBase.doStartTag(UIComponentClassicTagBase.java:1354)
     at org.apache.myfaces.trinidad.webapp.UIXComponentELTag.doStartTag(UIXComponentELTag.java:71)
     at oracle.adfinternal.view.faces.taglib.UIXQueryTag.doStartTag(UIXQueryTag.java:41)
     at oracle.adfinternal.view.faces.unified.taglib.UnifiedQueryTag.doStartTag(UnifiedQueryTag.java:51)
     at oracle.jsp.runtime.tree.OracleJspBodyTagNode.executeHandler(OracleJspBodyTagNode.java:50)
     at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:262)
     at oracle.jsp.runtime.tree.OracleJspNode.execute(OracleJspNode.java:89)
     at oracle.jsp.runtimev2.ShortCutServlet._jspService(ShortCutServlet.java:89)
     at oracle.jsp.runtime.OracleJspBase.service(OracleJspBase.java:29)
     at oracle.jsp.runtimev2.JspPageTable.compileAndServe(JspPageTable.java:665)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:387)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:822)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:746)
Please help to resolve this issue, or am I doing anything wrong?

Hi,
I assume that your view is a page fragment and here - indeed - the f:view tag cannot be used. If you use ADF then one option would be to use a custom RegionController on the binding layer to listen for the render phase to invoke the method. Another option would be to use a hidden field (output text set to display="false" and have this component value referencing a managed bean property. The managed bean property's getter method can now be used to invoke the method you want to run upon view rendering
Frank

Adf faces: execute bean method after table is loaded

Hi,
How can I execute a method after an adf table is rendered on the page?
This is what I want to do:
I have a master/detail:
- the master part contains a list of materials
- the details contains a list of customers and volumes depending on the selected material.
I tried to add totals on the details table:
- I created an output text in the footer-facet of the colums containing volumes
- I created a binding of the detail table to a CoreTable.
- I created a method in a managed bean related to this CoreTable binding, so I can browse to all rows in the table and calculate the sum.
- I then set the value of the output text to the total calculated in the managed bean.
the problem is that I don't know how to execute the calculate procedure after the data in the detail table exists.
What I tried:
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- call the calculate procedure on the valueChangeListener of the material list --> this doesn't work because totals are calculated for the previous details set.
- I tried to add the call in one of the table listeners but I cannot find a listener that is executed after data is loaded in the table...
for testing purpose only, I added a button: calculateTotals that calculates the totals. This works correctly.

Hi,
if you use page fragments exposed in an ADF region, you have two options I see
1. Use a method call activity to call the managed bean
2. Use a hidden UI component that references the setter/getter exposed in a managed bean and just use this as an indication for the page fragment being loaded
Keragala

How to call a method after a page complete load

Hi,
Environment: JSF1.2.12+Spring
I have a startpage, i will call a methode after startpage complete load. (I do not want to use javascript)
How can i implement it.
Edited by: zlzc2000 on Nov 6, 2009 2:53 AM

goal: optimize load startpage(accelerate to load startpage)
in startpage i use sql to load user's information, that in startpage is required.
in other page i need the complete User Object (hibernate load user Object).
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if during load startpage with hibernate to load user object, that is too slow.
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What is the best way to get another object's method to update my GUI?

package stuff;
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class Test extends JFrame{
private static JButton ProcessButton = new JButton();
private static JLabel jLabel2 = new JLabel();
public static void main( String args []){
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     f.setSize(500,500);
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     c.add(jLabel2, BorderLayout.SOUTH);
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{\code]
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it's crashed because it doesn't update the GUI with a progress status. :(
What is the best way to get this method to update the GUI of the app which calls it?
Something like Connection connection = Tools.setUpConnectionToDB(url,userName,pwd, this);
ie this being a reference to the GUI's JFrame is what I'm trying to use?

A handy class to know about but not really what I'm after.
I need the method call
Tools.setUpConnectionToDB(url,userName,pwd);
to be able to update a component ( The JLabel ) on the GUI
Connection connection = Tools.setUpConnectionToDB(url,userName,pwd, this);
[\code]
method defn:public static Connection setUpConnectionToDB( String url, String user, String pwd, JFrame f ){
//Why doesn't this code below modify the GUI on the calling App?
f.jLabel2.setText("Setting UP DB Connection");
f.repaint();
Connection c = null;
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
c = DriverManager.getConnection(url,user,pwd);
catch(ClassNotFoundException e){
JOptionPane.showMessageDialog(null , "Error loading DB driver");
System.exit(0);
catch(Exception e){
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System.exit(0);
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}[\code]

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The issue occurs with any combination of the following:
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Flex SDK 4.5.1 or 4.6
AIR SDK 3.3 or 3.4
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Hi,
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Pahup

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Triggering method after loading of gui

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