Thansk very much, love this forum! got a reply so prompt!
Andrew Klochkov wrote:
>
> raybristol wrote:
>> My WizardPage is like
>>
>> public class AddDeliveryWizardPage extends AbstractExamplePage{
>>
>> public AddDeliveryWizardPage(){
>>
>> super();
>>
>> WizardModel model = new WizardModel();
>> int numberOfBoxes = 0;
>> List<Box> boxesList = new ArrayList<Box>();
>>
>> //variable 'numberOfBoxes' will be set in this
>> step
>> model.add(new SetNumberOfBoxesWizardStep());
>>
>> //set box entity objects according to variable
>> 'numberOfBoxes' set from last step
>> model.add(new SetBoxEntityWizardStep(int numberOfBoxes));
>>
>> Wizard wizard = new Wizard("wizard", model)
>> this.add(wizard);
>> }
>>
>> }
>>
>> question 1: as model step is added at compile time, so I don't know how
>> to
>> get the value of variable 'numberOfBoxes' after it got set from the 1st
>> step, in the 2nd step 'numberOfBoxes''s value is default value 0.
>>
> You should make numberOfBoxes variable accessible in both the steps. One
> way to do it:
>
> public class AddDeliveryWizardPage extends AbstractExamplePage{
>
> private int numberOfBoxes;
> private final List<Box> boxesList = new ArrayList<Box>();
>
> public AddDeliveryWizardPage(){
>
> super();
>
> IModel boxesAmountModel = new PropertyModel(this,
> "numberOfBoxes");
> WizardModel model = new WizardModel();
>
> //variable 'numberOfBoxes' will be set in this step
> model.add(new SetNumberOfBoxesWizardStep(boxesAmountModel) {
> public void applyState() {
> for (int i = 0; i < numberOfBoxes; i++)
> boxesList.add(new Box());
> }
> });
>
> //set box entity objects according to variable 'numberOfBoxes'
> set from
> last step
> model.add(new SetBoxEntityWizardStep(boxesAmountModel,
> boxesList));
>
> Wizard wizard = new Wizard("wizard", model)
> this.add(wizard);
> }
>
> }
>
>> question 2: in the 2nd step I probably need user to input multiple box
>> object's details, for a single model, I can use somthign like
>> setModel(new
>> CompoundPropertyModel(box)), but what about for multiple objects? is it
>> something like setModel(new CompoundPropertyModel(boxeslist)) <-
>> boxeslist
>> is a arraylist of box objects.
>>
> Notice that I added a "boxesList" parameter for the second step in the
> code above. So then in the SexBoxEntityWizardStep you could use some
> repeater to generate html inputs for every box. For example here is a
> ListView example:
>
> add(new ListView("boxes", boxesList) {
> protected void populateItem(final ListItem item) {
> item.add(new TextField("name", new
> PropertyModel(item.getModelObject(), "name"));
> }
> });
>>
>> Many thanks for your guys help, this is the best forum I can find for
>> wicket
>> :)
>>
>>
> +1 :)
>
>
> --
> Andrew Klochkov
>
>
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