which component invoke action-methode

is der a possibility to get the component which invoked an action-methode?

[81 byte] By [schaeflia] at [2007-11-27 0:09:33]

«« Kerberos TGT From Memory
»» JDBC:MYSQL works over LAN, but does not work over internet

# 1

Use actionListener. Then you can use ActionEvent#getComponent() to retrieve the UICommand component which invoked the action method.

BalusCa at 2007-7-11 16:09:53 >

top of Java-index,Enterprise & Remote Computing,Web Tier APIs...

# 2

to bind an actionListener i useb_term.setAction(FacesContext.getCurrentInstance().getApplication().createMethodBinding("#{Page1.button_action}", new Class[0]));is that correct?because actionListener has a paramter...

schaeflia at 2007-7-11 16:09:53 >

# 3

Use setActionListener() and define ActionEvent.class as parameter.

BalusCa at 2007-7-11 16:09:53 >

# 4

i don't know if I understand you...

do mean in that way:

b_term.setActionListener(FacesContext.getCurrentInstance().getApplication().createMethodBinding("#{Page1.button_actionListener}",javax.faces.event.ActionEvent.class));

because that doesn't work, ActionEvent.class should be a Class[]

schaeflia at 2007-7-11 16:09:53 >

# 5

Yes .. Just put it in Class[] ..

BalusCa at 2007-7-11 16:09:53 >

# 6

ok, no i have:

Class[] param = new Class[1];

param[0]=ActionEvent.class;

b_term.setActionListener(FacesContext.getCurrentInstance().getApplication().createMethodBinding("#{Page1.button_actionListener}", param));

and

public void button_actionListener(ActionEvent event){

System.out.println(event.getComponent());

}

but it's never invoked

schaeflia at 2007-7-11 16:09:53 >

# 7

i am sorry...it is invoked, but it doesn't make a system.out.println

schaeflia at 2007-7-11 16:09:53 >

Java programming resources: FAQs, tutorials, compiler and browser download sites, documentation, books lists, IDEs, etc.

which component invoke action-methode

Enterprise & Remote Computing New Topic

Enterprise & Remote Computing Hot Topic

Enterprise & Remote Computing

All Classified