/////////////////////////////////////////////////////////////////////////////
//
// Project ProjectForge Community Edition
// www.projectforge.org
//
// Copyright (C) 2001-2014 Kai Reinhard (k.reinhard@micromata.de)
//
// ProjectForge is dual-licensed.
//
// This community edition is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 3 of the License.
//
// This community edition 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 General Public License along
// with this program; if not, see http://www.gnu.org/licenses/.
//
/////////////////////////////////////////////////////////////////////////////
package org.projectforge.web.wicket;
import java.io.Serializable;
import org.apache.wicket.markup.html.WebPage;
import org.projectforge.core.AbstractBaseDO;
import org.projectforge.core.BaseDao;
import org.projectforge.core.IManualIndex;
import org.projectforge.core.ModificationStatus;
import org.projectforge.core.UserException;
import org.springframework.dao.DataIntegrityViolationException;
public class EditPageSupport<O extends AbstractBaseDO< ? >, D extends BaseDao<O>> implements Serializable
{
private static final long serialVersionUID = 5504452697069803264L;
private static final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger(EditPageSupport.class);
private final IEditPage<O, D> editPage;
private final D baseDao;
private boolean updateAndNext;
public EditPageSupport(final IEditPage<O, D> editPage, final D baseDao)
{
this.editPage = editPage;
this.baseDao = baseDao;
}
/**
* User has clicked the save button for storing a new item.
*/
public void create()
{
if (log.isDebugEnabled() == true) {
log.debug("create in " + editPage.getClass() + ": " + editPage.getData());
}
synchronized (editPage.getData()) {
if (editPage.isAlreadySubmitted() == true) {
log.info("Double click detection in " + editPage.getClass() + " create method. Do nothing.");
} else {
editPage.setAlreadySubmitted(true);
if (editPage.getData().getId() != null && editPage.getData() instanceof IManualIndex == false) {
// User has used the back button?
log.info("User has used the back button in "
+ editPage.getClass()
+ " after inserting a new object? Try to load the object from the data base and show edit page again.");
final O dbObj = baseDao.getById(editPage.getData().getId());
if (dbObj == null) {
// Error while trying to insert Object and user has used the back button?
log.info("User has used the back button "
+ editPage.getClass()
+ " after inserting a new object and a failure occured (because object with id not found in the data base)? Deleting the id and show the edit page again.");
editPage.clearIds();
return;
}
editPage.getData().copyValuesFrom(dbObj);
return;
}
WebPage page = editPage.onSaveOrUpdate();
if (page != null) {
editPage.setResponsePageAndHighlightedRow(page);
return;
}
try {
baseDao.save(editPage.getData());
} catch (final DataIntegrityViolationException ex) {
log.error(ex.getMessage(), ex);
throw new UserException("exception.constraintViolation");
}
page = editPage.afterSaveOrUpdate();
if (page != null) {
editPage.setResponsePageAndHighlightedRow(page);
return;
}
page = editPage.afterSave();
if (page != null) {
editPage.setResponsePageAndHighlightedRow(page);
return;
}
}
editPage.setResponsePage();
}
}
/**
* User has clicked the update button for updating an existing item.
*/
public void update()
{
if (log.isDebugEnabled() == true) {
log.debug("update in " + editPage.getClass() + ": " + editPage.getData());
}
synchronized (editPage.getData()) {
if (editPage.isAlreadySubmitted() == true) {
log.info("Double click detection in " + editPage.getClass() + " update method. Do nothing.");
} else {
editPage.setAlreadySubmitted(true);
WebPage page = editPage.onSaveOrUpdate();
if (page != null) {
editPage.setResponsePageAndHighlightedRow(page);
return;
}
ModificationStatus modified = ModificationStatus.NONE;
try {
modified = baseDao.update(editPage.getData());
} catch (final DataIntegrityViolationException ex) {
log.error(ex.getMessage(), ex);
throw new UserException("exception.constraintViolation");
}
page = editPage.afterSaveOrUpdate();
if (page != null) {
editPage.setResponsePageAndHighlightedRow(page);
return;
}
page = editPage.afterUpdate(modified);
if (page != null) {
editPage.setResponsePageAndHighlightedRow(page);
return;
}
}
}
editPage.setResponsePage();
}
/**
* User has clicked the update-and-next button for updating an existing item.
*/
public void updateAndNext()
{
if (log.isDebugEnabled() == true) {
log.debug("update in " + editPage.getClass() + ": " + editPage.getData());
}
update();
updateAndNext = true;
editPage.setResponsePage();
}
public boolean isUpdateAndNext()
{
return updateAndNext;
}
public void setUpdateAndNext(final boolean updateAndNext)
{
this.updateAndNext = updateAndNext;
}
public void undelete()
{
if (log.isDebugEnabled() == true) {
log.debug("undelete in " + editPage.getClass() + ": " + editPage.getData());
}
synchronized (editPage.getData()) {
if (editPage.isAlreadySubmitted() == true) {
log.info("Double click detection in " + editPage.getClass() + " undelete method. Do nothing.");
} else {
editPage.setAlreadySubmitted(true);
final WebPage page = editPage.onUndelete();
if (page != null) {
editPage.setResponsePageAndHighlightedRow(page);
return;
}
baseDao.undelete(editPage.getData());
}
}
editPage.afterUndelete();
editPage.setResponsePage();
}
public void markAsDeleted()
{
if (log.isDebugEnabled() == true) {
log.debug("Mark object as deleted in " + editPage.getClass() + ": " + editPage.getData());
}
synchronized (editPage.getData()) {
if (editPage.isAlreadySubmitted() == true) {
log.info("Double click detection in " + editPage.getClass() + " markAsDeleted method. Do nothing.");
} else {
editPage.setAlreadySubmitted(true);
final WebPage page = editPage.onDelete();
if (page != null) {
editPage.setResponsePageAndHighlightedRow(page);
return;
}
baseDao.markAsDeleted(editPage.getData());
editPage.afterDelete();
editPage.setResponsePage();
}
}
}
public void delete()
{
if (log.isDebugEnabled() == true) {
log.debug("delete in " + editPage.getClass() + ": " + editPage.getData());
}
synchronized (editPage.getData()) {
if (editPage.isAlreadySubmitted() == true) {
log.info("Double click detection in " + editPage.getClass() + " delete method. Do nothing.");
} else {
editPage.setAlreadySubmitted(true);
final WebPage page = editPage.onDelete();
if (page != null) {
editPage.setResponsePageAndHighlightedRow(page);
return;
}
baseDao.delete(editPage.getData());
editPage.afterDelete();
editPage.setResponsePage();
}
}
}
}