Examples of org.apache.wicket.markup.html.form.Button

Package org.apache.wicket.markup.html.form

Examples of org.apache.wicket.markup.html.form.Button

org.apache.wicket.markup.html.form.Button
A form button.
Within a form, you can nest Button components. Note that you don't have to do this to let the form work (a simple <input type="submit".. suffices), but if you want to have different kinds of submit behavior it might be a good idea to use Buttons.

The model property is used to set the "value" attribute. It will thus be the label of the button that shows up for end users. If you want the attribute to keep it's markup attribute value, don't provide a model, or let it return an empty string.

When you add a Wicket Button to a form, and that button is clicked, by default the button's onSubmit method is called first, and after that the form's onSubmit method is called. If you want to change this (e.g. you don't want to call the form's onSubmit method, or you want it called before the button's onSubmit method), you can override Form.delegateSubmit.

One other option you should know of is the 'defaultFormProcessing' property of Button components. When you set this to false (default is true), all validation and formupdating is bypassed and the onSubmit method of that button is called directly, and the onSubmit method of the parent form is not called. A common use for this is to create a cancel button.
@author Jonathan Locke @author Eelco Hillenius

  }


  private void setTextFieldAndAssertSubmit(boolean expected)
  {
    tester.executeAjaxEvent("form:text", "onkeyup");
    Button submit = getSubmitButton();
// System.out.println(Session.get().getFeedbackMessages());
    assertEquals(expected, submit.isEnabled());
  }

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      });


      // and this is to show we can nest ListViews in Forms too
      add(new LinesListView("lines"));


      add(new Button("saveButton"));


      add(new Button("resetButton")
      {
        @Override
        public void onSubmit()
        {
          // just set a new instance of the page

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    form.add(new ListMultipleChoice<Book>("listMultipleChoice", candidateChoices,
      bookChoiceRenderer).setMaxRows(4));
    form.add(new CheckBoxMultipleChoice<Book>("checkBoxMultipleChoice", candidateChoices,
      bookChoiceRenderer));
    form.add(newCheckGroup("checkGroup", candidateChoices));
    form.add(new Button("buttonWithModel", Model.of("ButtonWithModel"))
    {
      private static final long serialVersionUID = 1L;


      @Override
      public void onSubmit()
      {
        buttonPressed = true;
      }
    });
    form.add(new Button("anotherButton")
    {
      private static final long serialVersionUID = 1L;


      @Override
      public void onSubmit()

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    final Form<Void> form = new Form<Void>("form");
    add(form);
    
    // Simple button
    Button simpleButton = new Button("simpleButton");
    simpleButton.add(new ButtonBehavior()
        .setIcons(UiIcon.HOME, null)
        .setLabel("Simple button")
    );
    form.add(simpleButton);
    
    // Button without text
    Button buttonWithoutText = new Button("buttonWithoutText");
    buttonWithoutText.add(new ButtonBehavior()
        .setIcons(UiIcon.HOME, null)
        .setText(false)
    );
    form.add(buttonWithoutText);

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        setVisible(!SortablePanel.this.isSortMode());
      }
    };
    actions.add(editOrder);
    
    Button saveOrder = new Button("saveOrder") {
      private static final long serialVersionUID = 1L;
      
      @Override
      protected void onConfigure() {
        super.onConfigure();

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        languageSelect = new LocaleDropDown("language");


        form.add(languageSelect);


        Button submitButton = new Button("submit", new Model<String>(getString("submit"))) {


            private static final long serialVersionUID = 429178684321093953L;


            @Override
            public void onSubmit() {
                try {
                    String[] entitlements = authenticate(userIdField.getRawInput(), passwordField.getRawInput());


                    SyncopeSession.get().setUserId(userIdField.getRawInput());
                    SyncopeSession.get().setEntitlements(entitlements);
                    SyncopeSession.get().setVersion(getSyncopeVersion());


                    setResponsePage(WelcomePage.class, parameters);
                } catch (AccessControlException e) {
                    error(getString("login-error"));


                    PreemptiveAuthHttpRequestFactory requestFactory =
                            ((PreemptiveAuthHttpRequestFactory) SyncopeSession.
                            get().getRestTemplate().getRequestFactory());


                    ((DefaultHttpClient) requestFactory.getHttpClient()).getCredentialsProvider().clear();
                }
            }
        };


        submitButton.setDefaultFormProcessing(false);
        form.add(submitButton);


        add(form);
        add(new FeedbackPanel(Constants.FEEDBACK));

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   * Toggle submit button to enabled when text field validates.
   */
  public void testToggleAjaxFormButton()
  {
    tester.startPage(new MockAjaxFormPage());
    Button submit = getSubmitButton();
    assertFalse(submit.isEnabled());
    FormTester form = tester.newFormTester("form");


    tester.setupRequestAndResponse();
    form.setValue("text", "XX");
    setTextFieldAndAssertSubmit(false);

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  }


  private void setTextFieldAndAssertSubmit(boolean expected)
  {
    tester.executeAjaxEvent("form:text", "onkeyup");
    Button submit = getSubmitButton();
// System.out.println(Session.get().getFeedbackMessages());
    assertEquals(expected, submit.isEnabled());
  }

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  {
    super(id, goModel);


    originalState = Objects.cloneModel(form.getModelObject());


    clear = new Button("clear", clearModel)
    {
      private static final long serialVersionUID = 1L;


      public void onSubmit()
      {

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    {


    };
    add(form);
    form.add(new TextField<String>("textfield", new Model<String>()));
    form.add(new Button("submit"));


    final WebMarkupContainer listViewContainer = new WebMarkupContainer("listViewContainer");
    form.add(listViewContainer);
    listViewContainer.setOutputMarkupId(true);

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