The category is still null. Could someone tell me where it goes wrong?
Thanks,
Hbiloo
On Sat, Feb 28, 2009 at 6:39 PM, Azzeddine Daddah <waarhei...@gmail.com>wrote:
> The Recipe object is indeed serializable. Below some code from
> the AddRecipeForm and Recipe:
>
> public class Recipe implements Serializable {
> public static final int NAME_LENGTH = 50;
> public static final int DIFFICULTY_LENGTH = 6;
> public static final int INTRODUCTION_LENGTH = 150;
>
> @Id @GeneratedValue(strategy = GenerationType.SEQUENCE, generator =
> "recipe_seq")
> private Long id;
> ...
>
> @ManyToOne
> @org.hibernate.annotations.Cascade(CascadeType.SAVE_UPDATE)
> @JoinColumn(name = "CATEGORY_ID")
> @ForeignKey(name = "FK_RECIPE_CATEGORY")
> private Category category;
> ...
>
> public Category getCategory() {
> return category;
> }
>
> public void setCategory(Category category) {
> assert category != null;
> this.category = category;
> }
> }
>
> public class AddRecipeForm extends Form<Recipe> {
> private static final Logger log =
> LoggerFactory.getLogger(AddRecipeForm.class);
>
> private final List<FileUpload> uploads = new ArrayList<FileUpload>();
> private Recipe recipe = new Recipe();
>
> /**
> * Creates a new {...@link AddRecipeForm}.
> *
> * @param id form id; may not be <code>null</code>
> */
> public AddRecipeForm(String id) {
> super(id);
> setModel(new Model<Recipe>(recipe));
>
> add(new FeedbackPanel("feedback"));
> addRecipeInfoFormPart();
> ...
> add(createSubmitLink(this));
> }
>
> private void addRecipeInfoFormPart() {
> add(new RequiredTextField<String>("recipeTitle", new
> PropertyModel<String>(recipe, "name"))
> .add(StringValidator.lengthBetween(5,
> Recipe.NAME_LENGTH)));
> add(new CategoriesDropDown("categories", new
> PropertyModel<Category>(recipe, "category")).setRequired(true));
> add(new RecipeDifficultiesDropDown("difficulties",
> recipe).setRequired(true));
> add(new TextArea<String>("introduction", new
> PropertyModel<String>(recipe, "introduction")));
> }
> ...
> private StyledSubmitLink createSubmitLink(final Form<Recipe> form) {
> StyledSubmitLink submitLink = new StyledSubmitLink("submitLink") {
> @Override
> public void onSubmit() {
> RecipeService recipeService = RecipeService.getInstance();
> Recipe recipe = form.getModelObject();
> Category recipeCategory =
> recipeService.findCategoryByCategoryName(recipe.getCategory().getName());
> Set<Tag> persistentTags = new HashSet<Tag>();
> for (Tag tag : recipe.getTags()) {
> Tag persistentTag =
> recipeService.findTagByTagName(tag.getName());
> persistentTags.add(persistentTag == null ? tag :
> persistentTag);
> }
> log.debug(String.format("from persisted cat: %s and from
> form %s", recipeCategory.getName(), recipe.getCategory().getName()));
> Status persistentStatus =
> recipeService.findStatusByStatusName("NEW");
> Recipe newRecipe = new Recipe(recipeCategory,
> recipe.getDifficulty(),
> recipe.getIntroduction(),
> recipe.getMethod(),
> recipe.getName(),
> new Integer(0),
> UserUtils.getUser(),
> recipe.getPreparationTime(),
> recipe.getRecipeImages(),
> new
> HashSet<RecipeIngredient>(recipe.getRecipeIngredients()),
> recipe.getServings(),
> persistentStatus == null ? new Status("NEW", "New")
> : persistentStatus,
> persistentTags);
>
> uploadImages();
>
> recipeService.insertNewRecipe(newRecipe);
> setResponsePage(new
> SuccessPage(getString("message.success.addrecipe.title"),
> getString("message.success.addrecipe.body")));
> }
> };
> submitLink.add(new Label("submit", new
> ResourceModel("form.addrecipe.add")));
> return submitLink;
> }
>
> private class CategoriesDropDown extends DropDownChoice<Category> {
> public CategoriesDropDown(String id, IModel<Category> model) {
> super(id, model,
> RecipeService.getInstance().getAllPersistentRecipeCategories());
> setChoiceRenderer(new IChoiceRenderer<Category>() {
> @Override
> public String getIdValue(Category category, int index) {
> return category.getName();
> }
>
> @Override
> public Object getDisplayValue(Category category) {
> return category.getName();
> }
> });
> }
> }
>
> private class RecipeDifficultiesDropDown extends
> DropDownChoice<RecipeDifficulty> {
> public RecipeDifficultiesDropDown(String id, Recipe recipe) {
> super(id, new PropertyModel<RecipeDifficulty>(recipe,
> "difficulty"), Arrays.asList(RecipeDifficulty.values()),
> new IChoiceRenderer<RecipeDifficulty>() {
> @Override
> public Object getDisplayValue(RecipeDifficulty
> recipeDifficulty) {
> return
> recipeDifficulty.getFormattedDifficulty();
> }
>
> @Override
> public String getIdValue(RecipeDifficulty
> recipeDifficulty, int index) {
> return recipeDifficulty.getName();
> }
> });
> }
> }
> }
>
> On Sat, Feb 28, 2009 at 6:24 PM, Igor Vaynberg <igor.vaynb...@gmail.com>wrote:
>
>> where is the code that creates your form? and is Recipe serializable?
>>
>> -igor
>>
>> On Sat, Feb 28, 2009 at 8:58 AM, Azzeddine Daddah <waarhei...@gmail.com>
>> wrote:
>> > Thanks Igor,
>> > I've already tried that but still have the same problem.
>> > add(new CategoriesDropDown("categories", new
>> PropertyModel<Category>(recipe,
>> > "category")).setRequired(true));
>> > ...
>> > private class CategoriesDropDown extends DropDownChoice<Category> {
>> > public CategoriesDropDown(String id, IModel<Category> model) {
>> > super(id, model,
>> > RecipeService.getInstance().getAllPersistentRecipeCategories(),
>> > new IChoiceRenderer<Category>() {
>> > @Override
>> > public String getIdValue(Category category, int index) {
>> > return category.getName();
>> > }
>> >
>> > @Override
>> > public Object getDisplayValue(Category category) {
>> > return category.getName();
>> > }
>> > });
>> > }
>> > }
>> >
>> >
>> >
>> > On Sat, Feb 28, 2009 at 5:54 PM, Igor Vaynberg <igor.vaynb...@gmail.com
>> >wrote:
>> >
>> >> use a property model instead of recipe.getcategories()
>> >>
>> >> -igor
>> >>
>> >> On Sat, Feb 28, 2009 at 8:17 AM, Azzeddine Daddah <
>> waarhei...@gmail.com>
>> >> wrote:
>> >> > Hi,
>> >> > I'm trying to use a DropDownChoice to display and store the selected
>> >> > category in the database. The value selected in the drop down is
>> >> correctly
>> >> > set, but when I look to the model (Category) of this drop down, it
>> >> returns
>> >> > always null. Do I do something wrong? Below some code.
>> >> >
>> >> > public AddRecipeForm(String id) {
>> >> > super(id);
>> >> > setModel(new Model<Recipe>(new Recipe()));
>> >> > ...
>> >> > add(new CategoriesDropDown("categories",
>> >> > recipe.getCategory()).setRequired(true));
>> >> > }
>> >> > ...
>> >> > public void onSubmit() {
>> >> > RecipeService recipeService = RecipeService.getInstance();
>> >> > Recipe recipe = form.getModelObject();
>> >> > Category cat = recipe.getCategory(); // This returns always null
>> >> > }
>> >> >
>> >> > ...
>> >> >
>> >> > private class CategoriesDropDown extends DropDownChoice<Category> {
>> >> > public CategoriesDropDown(String id, Category category) {
>> >> > super(id, new Model<Category>(category),
>> >> > RecipeService.getInstance().getAllPersistentRecipeCategories(), new
>> >> > IChoiceRenderer<Category>() {
>> >> > @Override
>> >> > public String getIdValue(Category category, int index)
>> {
>> >> > return category.getName();
>> >> > }
>> >> >
>> >> > @Override
>> >> > public Object getDisplayValue(Category category) {
>> >> > return category.getName();
>> >> > }
>> >> > });
>> >> > }
>> >> > }
>> >> >
>> >> >
>> >> > Kind regards,
>> >> >
>> >> > Hbiloo
>> >> >
>> >>
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>> >>
>> >>
>> >
>>
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>>
>
