I wouldn't do that... If you change the property that should be shown
when not null, it will not be reflected here, as you have lost the
connection between the label and the original model.
Martijn
On 6/14/07, Pieter Cogghe <[EMAIL PROTECTED]> wrote:
> Hi,
>
> thanks for the help, I stripped it down to this:
> (seems to work fine)
>
> public class LabelWithDefaultModel extends Label {
>
> public LabelWithDefaultModel(String id, IModel model, IModel
> defaultModel) {
> super(id, model);
> if (this.getModelObject() == null){
> this.setModel(defaultModel);
> }
> }
>
> }
>
> 2007/6/14, Martijn Dashorst <[EMAIL PROTECTED]>:
> > Make it a proper class:
> >
> > public class LabelWithDefaultText extends Label {
> > private String defaultText;
> >
> > public LabelWithDefaultText(String id, IModel model, String
> > defaultText ) {
> > super(id, model);
> > this.defaultText = defaultText;
> > }
> > @Override
> > protected void onComponentTagBody(MarkupStream markupStream,
> > ComponentTag openTag) {
> > String model = (String) getModelObject();
> > replaceComponentTagBody(markupStream, openTag, model == null ?
> > defaultText : model);
> > }
> > });
> > }
> >
> > Or make a model wrapper
> >
> > On 6/14/07, Pieter Cogghe <[EMAIL PROTECTED]> wrote:
> > > Hi,
> > >
> > > I'v got this in a list:
> > >
> > > add(new Label("name"))
> > >
> > > sometimes there's no name defined, then I want to set a default text,
> > > I'd do it like this:
> > >
> > > add(new Label("name").setDefaultModel(new Model("No name defined")));
> > >
> > > Now I have it like this:
> > >
> > > item.add(new Label("name", new PropertyModel(item.getModel(),"name")){
> > > @Override
> > > protected void onComponentTagBody(MarkupStream markupStream,
> > > ComponentTag openTag) {
> > > String model = (String) getModelObject();
> > > if (model == null){
> > > replaceComponentTagBody(markupStream, openTag, "no language
> > > selected");
> > > } else {
> > > super.onComponentTagBody(markupStream, openTag)
> > > }
> > > }
> > > });
> > >
> > > This is really verbose. Anybody knows a better way?
> > >
> > > thanks a lot,
> > >
> > > Pieter
> > >
> > >
> > >
> > > --
> > > Pieter Cogghe
> > > Ganzendries 186
> > > 9000 Gent
> > > 0487 10 14 21
> > >
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> Pieter Cogghe
> Ganzendries 186
> 9000 Gent
> 0487 10 14 21
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by DB2 Express
> Download DB2 Express C - the FREE version of DB2 express and take
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> Wicket-user@lists.sourceforge.net
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