ca.travelagency.components.formheader.SaveButton.java Source code

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Here is the source code for ca.travelagency.components.formheader.SaveButton.java

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/**
 *    Copyright (C) 2010 - 2014 VREM Software Development <VREMSoftwareDevelopment@gmail.com>
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package ca.travelagency.components.formheader;

import org.apache.commons.lang3.Validate;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.attributes.AjaxRequestAttributes;
import org.apache.wicket.extensions.ajax.markup.html.IndicatingAjaxButton;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.spring.injection.annot.SpringBean;

import ca.travelagency.components.decorators.BlockUIDecorator;
import ca.travelagency.components.javascript.JSUtils;
import ca.travelagency.persistence.DaoEntity;
import ca.travelagency.persistence.DaoSupport;

public class SaveButton<T extends DaoEntity> extends IndicatingAjaxButton {
    private static final long serialVersionUID = 1L;

    @SpringBean
    private DaoSupport<T> daoSupport;

    private boolean resetModelAfterSubmit;
    private Component componentToUpdate;
    private SaveButtonCallback<T> saveButtonCallback;

    public SaveButton(String id, Form<T> form, SaveButtonCallback<T> saveButtonCallback,
            Component componentToUpdate) {
        super(id, form);
        Validate.notNull(saveButtonCallback);
        this.saveButtonCallback = saveButtonCallback;
        this.componentToUpdate = componentToUpdate;
    }

    @Override
    protected void updateAjaxAttributes(AjaxRequestAttributes attributes) {
        super.updateAjaxAttributes(attributes);
        attributes.getAjaxCallListeners().add(new BlockUIDecorator());
    }

    @Override
    protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
        @SuppressWarnings("unchecked")
        Form<T> typedForm = (Form<T>) form;
        T daoEntity = typedForm.getModelObject();
        boolean newDaoEntity = !DaoEntityModelFactory.isPersisted(daoEntity);

        saveButtonCallback.preSubmit(target, daoEntity, newDaoEntity);

        daoSupport.persist(daoEntity);
        resetModelAfterSubmit(typedForm, daoEntity);

        saveButtonCallback.setMessage(daoEntity);

        target.add(typedForm);
        updateComponent(target);

        saveButtonCallback.postSubmit(target, daoEntity, newDaoEntity);

        target.appendJavaScript(JSUtils.INITIALIZE);
    }

    private void resetModelAfterSubmit(Form<T> form, T daoEntity) {
        if (isResetModelAfterSubmit()) {
            form.setDefaultModel(DaoEntityModelFactory.make(daoEntity.getTrueClass()));
        }
    }

    private void updateComponent(AjaxRequestTarget target) {
        if (getComponentToUpdate() != null) {
            target.add(getComponentToUpdate());
        }
    }

    @Override
    protected void onError(AjaxRequestTarget target, Form<?> form) {
        target.add(form);
        target.appendJavaScript(JSUtils.INITIALIZE);
    }

    public void setResetModelAfterSubmit(boolean resetModelAfterSubmit) {
        this.resetModelAfterSubmit = resetModelAfterSubmit;
    }

    public boolean isResetModelAfterSubmit() {
        return resetModelAfterSubmit;
    }

    public Component getComponentToUpdate() {
        return componentToUpdate;
    }
}