InlineConfirmButton.java

package be.selckin.swu.form;

import be.selckin.swu.LabeledAjaxButton;
import be.selckin.swu.LabeledButton;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;

public class InlineConfirmButton extends Panel {

    private boolean showConfirm;

    public InlineConfirmButton(String id) {
        super(id);
    }

    @Override
    protected void onInitialize() {
        super.onInitialize();
        setOutputMarkupId(true);
        add(new LabeledAjaxButton("main", newSubmitLabel()) {
            @Override
            protected void onConfigure() {
                super.onConfigure();
                setVisible(!showConfirm);
            }

            @Override
            protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
                showConfirm = true;
                target.add(InlineConfirmButton.this);
            }

            @Override
            protected void onError(AjaxRequestTarget target, Form<?> form) {
                // Impossible
            }
        }.setDefaultFormProcessing(false));

        add(new WebMarkupContainer("confirm") {
            @Override
            protected void onConfigure() {
                super.onConfigure();
                setVisible(showConfirm);
            }

            @Override
            protected void onInitialize() {
                super.onInitialize();
                add(newMessage("message"));
                add(new LabeledButton("confirm", newConfirmLabel()) {
                    @Override
                    public void onSubmit() {
                        showConfirm = false;
                    }
                });
                add(new LabeledAjaxButton("cancel", newCancelLabel()) {

                    @Override
                    protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
                        showConfirm = false;
                        target.add(InlineConfirmButton.this);
                    }

                    @Override
                    protected void onError(AjaxRequestTarget target, Form<?> form) {
                        // impossible
                    }
                }.setDefaultFormProcessing(false));
            }
        });
    }

    protected IModel<String> newCancelLabel() {
        return Model.of("Cancel");
    }

    protected IModel<String> newSubmitLabel() {
        return Model.of("Submit");
    }

    protected Component newMessage(String id) {
        return new Label(id, "Are you sure?");
    }

    protected IModel<String> newConfirmLabel() {
        return Model.of("Confirm");
    }
}