Well, I wanted to put <f:selectItems instead of <f:selectItem in my example ;-)
Regards,
Bruno
2005/10/11, Bruno Aranda <[EMAIL PROTECTED]>:
> Your code is not ok. You are binding the faces components to wrong
> types: h:selectManyListbox cannot be bound to String[] and
> f:selectItems cannot be bound to an instance of UISelectMany....
>
> The best pattern here is to pass an Array/List of SelectItem objects
> to the value of your f:selectItems component, like this:
>
> <h:selectManyListbox value="#{fileManagementBean.dataFile}">
> <f:selectItem value="#{fileManagementBean.listOfSelectItems}/>
> </h:selectManyListbox>
>
> And also note that to have some values selected when the page is
> loaded you have to use the @value attribute.
>
> Regards,
>
> Bruno
>
> 2005/10/11, Caroline Jen <[EMAIL PROTECTED]>:
> > I used the UISelectItem to set its value to the
> > SelectItem (I have many SelectItme). Then, I added
> > each UISelectItem to the UISelectMany . When I
> > displayed a list box, I got the runtime error:
> >
> > "IllegalArgumentException: argument type mismatch"
> >
> > In my JSP, I create a list box for multiple
> > selections:
> >
> > [code]
> > <h:selectManyListbox
> > binding="#{fileManagementBean.dataFile}" size="7" >
> > <f:selectItems
> > value="#{fileManagementBean.dataFileItems}"/>
> > </h:selectManyListbox>
> > [/code]
> >
> > Therefore, the "dataFileItems" is of type UISelectMany
> > that has elements of type UISelectItem. The multiple
> > selections that users make will be in a String array:
> > String[] dataFile. Did I mess up anything here? My
> > backing bean code is like:
> >
> > [code]
> > .....
> > .....
> > public class FileManagementBean
> > {
> > private String[] dataFile;
> > private UISelectMany dataFileItems;
> >
> > public FileManagementBean()
> > {
> > dataFileItems = new UISelectMany();
> > UISelectItem item = new UISelectItem();
> >
> > SelectItem file = new SelectItem( "file1", "Data
> > File No. 1");
> > item.setValue( file );
> > dataFileItems.getChildren().add( item );
> > file = new SelectItem( "file2", "Data File No. 2");
> > item.setValue( file );
> > dataFileItems.getChildren().add( item );
> > .....
> > .....
> > }
> >
> > public String[] getDataFile() {
> > return dataFile;
> > }
> >
> > public void setDataFile( String[] dataFile ) {
> > this.dataFile = dataFile;
> > }
> >
> > public UISelectMany getDataFileItems() {
> > return dataFileItems;
> > }
> > }
> > [/code]
> >
> >
> >
> >
> > __________________________________
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> >
>
