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

        form.add(new TextField("addressPostalCode"));
        form.add(new TextField("addressCountry"));
        form.add(new TextField("contactVoice"));
        form.add(new TextField("contactFacsimile"));
        form.add(new TextField("contactEmail"));
        form.add(new Button("submit") {
            @Override
            public void onSubmit() {
                GeoServer gs = (GeoServer)geoServerModel.getObject();
                GeoServerInfo global = gs.getGlobal();
                global.setContact((ContactInfo)contactModel.getObject());
                gs.save(global);
                setResponsePage(GeoServerHomePage.class);
            }
        });
        form.add(new Button("cancel") {
            @Override
            public void onSubmit() {
                setResponsePage(GeoServerHomePage.class);
            }
        });

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        form.add(new CheckBox("imageIOCache"));
        form.add(new CheckBox("jpegAcceleration"));
        form.add(new CheckBox("pngAcceleration"));
        form.add(new CheckBox("allowNativeMosaic"));


        Button submit = new Button("submit", new StringResourceModel("submit", this, null)) {
            @Override
            public void onSubmit() {
                GeoServer gs = (GeoServer) geoServerModel.getObject();
                gs.getGlobal().setJAI( (JAIInfo)jaiModel.getObject() );
                gs.save( gs.getGlobal() ); 
                setResponsePage(GeoServerHomePage.class);
            }
        };
        form.add(submit);
        
        Button cancel = new Button("cancel") {
            @Override
            public void onSubmit() {
                setResponsePage(GeoServerHomePage.class);
            }
        };

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        form.add(new CheckBox("stdOutLogging", new PropertyModel( loggingInfoModel, "stdOutLogging")));
        form.add(new TextField("loggingLocation", new PropertyModel( loggingInfoModel, "location")) );
        
        form.add(new TextField("featureTypeCacheSize"));
        
        Button submit = new Button("submit", new StringResourceModel("submit", this, null)) {
            @Override
            public void onSubmit() {
                GeoServer gs = getGeoServer();
                gs.save( (GeoServerInfo) globalInfoModel.getObject() );
                gs.save( (LoggingInfo) loggingInfoModel.getObject() );
                setResponsePage(GeoServerHomePage.class);
            }
        };
        form.add(submit);
        
        Button cancel = new Button("cancel") {
            @Override
            public void onSubmit() {
                setResponsePage(GeoServerHomePage.class);
            }
        };

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                setResponsePage(GeoServerHomePage.class);
            }
        };
        form.add(submit);
        
        Button cancel = new Button( "cancel", new StringResourceModel( "cancel", (Component)null, null) ) {
            public void onSubmit() {
                setResponsePage(GeoServerHomePage.class);
            }
        };
        form.add( cancel );

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                    coverage.getRequestSRS())
        );


        add(new TextField("newRequestSRS", new PropertyModel(this, "newRequestSRS")));


        add(new Button("deleteSelectedRequestSRSs"){
            public void onSubmit(){
                coverage.getRequestSRS().removeAll(selectedRequestSRSs);
                selectedRequestSRSs.clear();
            }
        });


        add(new Button("addNewRequestSRS"){
            public void onSubmit(){
                coverage.getRequestSRS().add(newRequestSRS);
                newRequestSRS = "";
            }
        });


        add (new ListMultipleChoice("responseSRS", 
                    new PropertyModel(this, "selectedResponseSRSs"),
                    coverage.getResponseSRS())
        );


        add(new TextField("newResponseSRS", new PropertyModel(this, "newResponseSRS")));


        add(new Button("deleteSelectedResponseSRSs"){
            public void onSubmit(){
                coverage.getResponseSRS().removeAll(selectedResponseSRSs);
                selectedResponseSRSs.clear();
            }
        });


        add(new Button("addNewResponseSRS"){
            public void onSubmit(){
                coverage.getResponseSRS().add(newResponseSRS);
                newResponseSRS = "";
            }
        });

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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(true);
    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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   */
  @Test
  public void toggleAjaxFormButton()
  {
    tester.startPage(new MockAjaxFormPage());
    Button submit = getSubmitButton();
    assertFalse(submit.isEnabled());
    FormTester form = tester.newFormTester("form");


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

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  }


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

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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");


    form.setValue("text", "XX");
    setTextFieldAndAssertSubmit(false);
    Session.get().cleanupFeedbackMessages();

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