Re: wicket 6348 / now missing parameter

[Sven Meier]

Hi,

it works similar to AjaxFormComponentUpdatingBehavior:

new CheckBox("id", model)
.add(new FormComponentUpdatingBehavior() {
protected void onUpdate() {
Boolean value = ((CheckBox)getFormComponent()).getModelObject()
}
});

#getFormComponent() doesn't know the generic type, so regretfully you have to 
add an explicit cast :/.

Alternative:

CheckBox checkBox = new CheckBox("id", model):
checkbox.add(new FormComponentUpdatingBehavior() {
protected void onUpdate() {
Boolean value = checkbox.getModelObject();
}
});

Java 8 will add an implicit final modifier to your checkbox.

Sven

Am 26. Juni 2017, 12:46, um 12:46, Korbinian Bachl 
 schrieb:
>Hi,
>
>in https://issues.apache.org/jira/browse/WICKET-6348 the way how to
>react on onSelectionChanged(Object object) got changed to now a usage
>of
>
>// Wicket 7.x
>new CheckBox("id", model) {
>protected boolean wantOnSelectionChangedNotifications() {
>return true;
>}
>
>protected void onSelectionChanged(Boolean newSelection) {
>// do something, page will be rerendered;
>}
>};
>
>
>// Wicket 8.x
>new CheckBox("id", model)
>.add(new FormComponentUpdatingBehavior() {
>protected void onUpdate() {
>// do something, page will be rerendered;
>}
>
>protected void onError(RuntimeException ex) {
>super.onError(ex);
>}
>});
>
>
>My Problem is now that I try to get brix cms to compile and I have a
>code in there as:
>
>
>form.add(new DropDownChoice("tileType", new
>PropertyModel(this, "newTileTypeName"), new
>TileTypeNamesModel(),
>new TileTypeNameRenderer()) {
>private static final long serialVersionUID = 1L;
>[]
>
>@Override
>protected void onSelectionChanged(String tileTypeName) {
>   [...]
>}
>
>}.setRequired(true));
>
>
>How can one access the String tileTypeName now in usage of the new
>FormComponentUpdatingBehaviour as the onUpdate there has no parameter
>at all ???
>
>
>
>Best,
>
>KB

wicket 6348 / now missing parameter

[Korbinian Bachl]

Hi,

in https://issues.apache.org/jira/browse/WICKET-6348 the way how to react on 
onSelectionChanged(Object object) got changed to now a usage of 

// Wicket 7.x
new CheckBox("id", model) {
protected boolean wantOnSelectionChangedNotifications() {
return true;
}
 
protected void onSelectionChanged(Boolean newSelection) {
// do something, page will be rerendered;
}
};
 
 
// Wicket 8.x
new CheckBox("id", model)
.add(new FormComponentUpdatingBehavior() {
protected void onUpdate() {
// do something, page will be rerendered;
}
 
protected void onError(RuntimeException ex) {
super.onError(ex);
}
});


My Problem is now that I try to get brix cms to compile and I have a code in 
there as:


form.add(new DropDownChoice("tileType", new PropertyModel(this, 
"newTileTypeName"), new TileTypeNamesModel(),
new TileTypeNameRenderer()) {
private static final long serialVersionUID = 1L;
[]

@Override
protected void onSelectionChanged(String tileTypeName) {
   [...]
}

}.setRequired(true));


How can one access the String tileTypeName now in usage of the new 
FormComponentUpdatingBehaviour as the onUpdate there has no parameter at all ???



Best,

KB