How to RichSelectOneChoice setValueChangeListener

jdev12c

In the bean to support, I have RichSelectOneChoice to dynamically create and add it to my screen. I have this work of the party.

When the user selects one of the choices in the list, I need to deal with their selection and add another text field on the screen.

I try to use valueChangeListener with autoSubmit as true.

The problem is when I select a different option in the list, the valueChangeListener is not triggered.

Anything I missed? Thank you.

SelectOne RichSelectOneChoice = new RichSelectOneChoice();

	selectOne.setId ("soc" + index);
	selectOne.setAutoSubmit (true);
	selectOne.setSimple (true);

	FacesContext facesContext = FacesContext.getCurrentInstance ();
	Class [] valuChangeClass = new class [] {ValueChangeEvent.class};
	MethodBinding mb = facesContext.getApplication () .createMethodBinding ("#{backingBeanScope.FinderBackingBean.handleCriteriaValueChange}", valuChangeClass);

	selectOne.setValueChangeListener (mb); Add options to SelectOneChoice

No reason why you care component creation by programming? If you want to create a select choice dynamically, you should define and complete his choices (options) by programming and associate it with the and make her render true property. In doing so, you will get all of the default properties of the component and you won't have to write custom code for creating components and research for its properties as why VCL isn't shooting for second time.

Thank you

Tags: Java

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You still get method not found?

your valueChangeListener is running?

Try to use this valueChangeListener:

{} public void socVCL (ValueChangeEvent valueChangeEvent)

NewValue of the object = valueChangeEvent.getNewValue ();

If (newValue.equals("2")) {}

RichSelectOneChoice sl = (RichSelectOneChoice) JSFUtils.findComponentInRoot ("soc3");

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AdfFacesContext.getCurrentInstance () .addPartialTarget (sl);

}

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Hello

Here is a case that as it is similarly instead of your box here a commandbutton control.

JSPX code

actionListener="#{viewScope.Mbean.ActionLis}"/ >

track 1:

1. here you using "setValueChangeListener".

2. with the help of MethodBinding to invoke the listener in the same class itself.

3 MethodBinding and el class has been deprecated in this approach.

the bean code

Import javax.faces.context.FacesContext;

Import javax.faces.el.MethodBinding;

Import javax.faces.event.ActionEvent;

Import javax.faces.event.ValueChangeEvent;

Import javax.faces.event.ValueChangeListener;

Import oracle.adf.view.rich.component.rich.input.RichInputText;

Import oracle.adf.view.rich.component.rich.layout.RichPanelBox;

Import oracle.adf.view.rich.component.rich.nav.RichCommandButton;

Import oracle.adf.view.rich.context.AdfFacesContext;

public void ActionLis (ActionEvent actionEvent) {}

Add the code in the event here...

RichInputText rt = new RichInputText();

rt.setAutoSubmit (true);

Class parms [] = new class [] {ValueChangeEvent.class};

MethodBinding mbind = FacesContext.getCurrentInstance () .getApplication () .createMethodBinding ("#{viewScope.Mbean.valuchnglis}", parms);

rt.setValueChangeListener (mbind);

((RichCommandButton) actionEvent.getSource ()) .getParent () .getChildren () .add (rt);

AdfFacesContext.getCurrentInstance () .addPartialTarget (((RichCommandButton) actionEvent.getSource ()) .getParent ());

}

{} public void valuchnglis (ValueChangeEvent valueChangeEvent)

System.out.println ("value" + valueChangeEvent.getNewValue ());

}

Track 2:

1. here you using "addValueChangeListener".

2. you need an additional class to do so.

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the bean code

Import javax.faces.context.FacesContext;

Import javax.faces.el.MethodBinding;

Import javax.faces.event.ActionEvent;

Import javax.faces.event.ValueChangeEvent;

Import javax.faces.event.ValueChangeListener;

Import oracle.adf.view.rich.component.rich.input.RichInputText;

Import oracle.adf.view.rich.component.rich.layout.RichPanelBox;

Import oracle.adf.view.rich.component.rich.nav.RichCommandButton;

Import oracle.adf.view.rich.context.AdfFacesContext;

public void ActionLis (ActionEvent actionEvent) {}

Add the code in the event here...

RichInputText rt = new RichInputText();

rt.setAutoSubmit (true);

rt.addValueChangeListener (new vc());

((RichCommandButton) actionEvent.getSource ()) .getParent () .getChildren () .add (rt);

AdfFacesContext.getCurrentInstance () .addPartialTarget (((RichCommandButton) actionEvent.getSource ()) .getParent ());

}

Import javax.faces.event.ValueChangeEvent;

Import javax.faces.event.ValueChangeListener;

public class vc implements {ValueChangeListener

public void processValueChange (ValueChangeEvent valueChangeEvent)

{

System.out.println ("value of the class" + valueChangeEvent.getNewValue ());

}

}

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You could make it according to the following example:

Sample.JSPX:

xmlns:f = "http://java.sun.com/jsf/core".
xmlns:h = "http://java.sun.com/jsf/html".
xmlns:af = "http://xmlns.oracle.com/adf/faces/rich" >

*
autoSubmit = 'true' immediate = "true".
* valueChangeListener = "#{pageFlowScope.SampleBean.onValueChangeListener}" > *.
**
**
**
*
* partialTriggers = "soc1."
* Binding = "#{pageFlowScope.SampleBean.selectOneChoice2}" > *.
*
* id = "si3" / > *.
**

* SampleBean.Java: *.

import java.util.ArrayList;
import java.util.List;

Import javax.faces.event.ValueChangeEvent;
Import javax.faces.model.SelectItem;

Import oracle.adf.view.rich.component.rich.input.RichSelectOneChoice;

public class SampleBean {}
Private RichSelectOneChoice selectOneChoice2;

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System.out.println ("to the constructor");
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private SelectItem newSelectItem = new SelectItem ("ZZZ", "ZZZ");

* public Sub onValueChangeListener (ValueChangeEvent valueChangeEvent) {*}
* if (valueChangeEvent.getNewValue () .equals ("Add") == true) {*}
* System.out.println("::: Adding new select item choice"); *
* datasource.add (newSelectItem); *
*} else {*}
* if (valueChangeEvent.getNewValue () .equals ("JustSelect") == true) {*}
* System.out.println("::: Removing the added select item choice"); *
* datasource.remove (newSelectItem); *
* System.out.println (datasource.size ()); *
*}*
*}*
* this.selectOneChoice2.setValue (datasource); *
*}*

public void setDatasource (the list data source ) {}
This.DataSource = data source;
}

public getDatasource() {list
Returns the data source;
}

public void setSelectOneChoice2 (RichSelectOneChoice selectOneChoice2) {}
this.selectOneChoice2 = selectOneChoice2;
}

public RichSelectOneChoice getSelectOneChoice2() {}
Return selectOneChoice2;
}
}

* Ensure that the bean is saved in pageFlowScope.*

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ID = "si1" / >

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