br.gov.frameworkdemoiselle.vaadin.ui.CrudForm.java Source code

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Here is the source code for br.gov.frameworkdemoiselle.vaadin.ui.CrudForm.java

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/*
 * Demoiselle Framework
 * Copyright (C) 2010 SERPRO
 * ----------------------------------------------------------------------------
 * This file is part of Demoiselle Framework.
 * 
 * Demoiselle Framework is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License version 3
 * along with this program; if not,  see <http://www.gnu.org/licenses/>
 * or write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA  02110-1301, USA.
 * ----------------------------------------------------------------------------
 * Este arquivo  parte do Framework Demoiselle.
 * 
 * O Framework Demoiselle  um software livre; voc pode redistribu-lo e/ou
 * modific-lo dentro dos termos da GNU LGPL verso 3 como publicada pela Fundao
 * do Software Livre (FSF).
 * 
 * Este programa  distribudo na esperana que possa ser til, mas SEM NENHUMA
 * GARANTIA; sem uma garantia implcita de ADEQUAO a qualquer MERCADO ou
 * APLICAO EM PARTICULAR. Veja a Licena Pblica Geral GNU/LGPL em portugus
 * para maiores detalhes.
 * 
 * Voc deve ter recebido uma cpia da GNU LGPL verso 3, sob o ttulo
 * "LICENCA.txt", junto com esse programa. Se no, acesse <http://www.gnu.org/licenses/>
 * ou escreva para a Fundao do Software Livre (FSF) Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA.
 */
package br.gov.frameworkdemoiselle.vaadin.ui;

import java.util.ResourceBundle;

import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.util.AnnotationLiteral;

import br.gov.frameworkdemoiselle.util.Beans;
import br.gov.frameworkdemoiselle.vaadin.event.ProcessClear;
import br.gov.frameworkdemoiselle.vaadin.event.ProcessDelete;
import br.gov.frameworkdemoiselle.vaadin.event.ProcessInvalidValue;
import br.gov.frameworkdemoiselle.vaadin.event.ProcessSave;

import com.vaadin.data.Validator.InvalidValueException;
import com.vaadin.data.util.BeanItem;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Window.Notification;

/**
 * Abstract Form that implements basic functionality to crud operations.
 * 
 * @author We all!
 */
@SuppressWarnings("all")
public class CrudForm<E> extends AutoForm<E> {

    private static final long serialVersionUID = 1246614603336033228L;

    private Button buttonSave;

    private Button buttonClear;

    private Button buttonDelete;

    private BeanItem<E> beanItem;

    protected ResourceBundle bundle;

    private BeanManager beanManager;

    public CrudForm(Class<E> cls) {
        super(cls);
        this.bundle = Beans.getReference(ResourceBundle.class);
        this.beanManager = Beans.getBeanManager();
        setInvalidCommitted(false);
    }

    public E getBean() {
        return beanItem.getBean();
    }

    public void setBean(E bean) {
        if (buttonSave == null) {
            createButtons();
        }
        beanItem = new BeanItem<E>(bean);
        setItemDataSource(beanItem);
    }

    protected void createButtons() {
        buttonSave = new Button(this.bundle.getString("button.save"));
        buttonClear = new Button(this.bundle.getString("button.clear"));
        buttonDelete = new Button(this.bundle.getString("button.delete"));

        HorizontalLayout buttons = new HorizontalLayout();
        buttons.setSpacing(true);
        buttons.addComponent(getButtonSave());
        buttons.addComponent(getButtonDelete());
        buttons.addComponent(buttonClear);
        getFooter().addComponent(buttons);

        getButtonSave().addListener(new ClickListener() {

            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                try {
                    commit();
                } catch (InvalidValueException exception) {
                    beanManager.fireEvent(getBean(), new AnnotationLiteral<ProcessInvalidValue>() {
                    });
                    getWindow().showNotification(exception.getMessage(), Notification.TYPE_WARNING_MESSAGE);
                    return;
                }
                beanManager.fireEvent(getBean(), new AnnotationLiteral<ProcessSave>() {
                });
            }

        });

        buttonClear.addListener(new ClickListener() {

            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                CrudForm.this.discard();
                beanManager.fireEvent(getBean(), new AnnotationLiteral<ProcessClear>() {
                });
            }

        });

        getButtonDelete().addListener(new ClickListener() {

            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                beanManager.fireEvent(getBean(), new AnnotationLiteral<ProcessDelete>() {
                });
            }

        });
    }

    public void setButtonSave(Button buttonSave) {
        this.buttonSave = buttonSave;
    }

    public Button getButtonSave() {
        return buttonSave;
    }

    public Button getButtonClear() {
        return buttonClear;
    }

    public void setButtonClear(Button buttonClear) {
        this.buttonClear = buttonClear;
    }

    public void setButtonDelete(Button buttonDelete) {
        this.buttonDelete = buttonDelete;
    }

    public Button getButtonDelete() {
        return buttonDelete;
    }

    protected BeanManager getBeanManager() {
        return beanManager;
    }
}