/*
* This file is part of LibrePlan
*
* Copyright (C) 2009-2010 Fundación para o Fomento da Calidade Industrial e
* Desenvolvemento Tecnolóxico de Galicia
* Copyright (C) 2010-2011 Igalia, S.L.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.libreplan.web.materials;
import static org.libreplan.web.I18nHelper._;
import java.util.ConcurrentModificationException;
import java.util.List;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.LogFactory;
import org.libreplan.business.common.exceptions.InstanceNotFoundException;
import org.libreplan.business.common.exceptions.ValidationException;
import org.libreplan.business.materials.entities.UnitType;
import org.libreplan.web.common.BaseCRUDController;
import org.libreplan.web.common.Level;
import org.libreplan.web.common.Util;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.WrongValueException;
import org.zkoss.zk.ui.event.CheckEvent;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Button;
import org.zkoss.zul.Constraint;
import org.zkoss.zul.Hbox;
import org.zkoss.zul.Label;
import org.zkoss.zul.Row;
import org.zkoss.zul.RowRenderer;
/**
*
* Controller for the listing and editing unit types
*
* @author Javier Moran Rua <jmoran@igalia.com>
* @author Cristina Alvarino Perez <cristina.alvarino@comtecsf.es>
*/
public class UnitTypeController extends BaseCRUDController<UnitType> {
private static final org.apache.commons.logging.Log LOG = LogFactory
.getLog(UnitTypeController.class);
private IUnitTypeModel unitTypeModel;
public List<UnitType> getUnitTypes() {
return unitTypeModel.getUnitTypes();
}
public RowRenderer getUnitTypeRenderer() {
return new RowRenderer() {
@Override
public void render(Row row, Object data) {
final UnitType unitType = (UnitType) data;
appendUnitTypeName(row, unitType);
appendOperations(row, unitType);
row.addEventListener(Events.ON_CLICK, new EventListener() {
@Override
public void onEvent(Event event) {
goToEditForm(unitType);
}
});
}
private void appendUnitTypeName(Row row, UnitType unitType) {
row.appendChild(new Label(unitType.getMeasure()));
}
private void appendOperations(Row row, final UnitType unitType) {
Hbox hbox = new Hbox();
hbox.appendChild(Util.createEditButton(new EventListener() {
@Override
public void onEvent(Event event) {
goToEditForm(unitType);
}
}));
Button removeButton = Util
.createRemoveButton(new EventListener() {
@Override
public void onEvent(Event event) {
confirmDelete(unitType);
}
});
removeButton.setDisabled(unitTypeModel
.isUnitTypeUsedInAnyMaterial(unitType));
hbox.appendChild(removeButton);
row.appendChild(hbox);
}
};
}
public UnitType getUnitType() {
return unitTypeModel.getCurrentUnitType();
}
public Constraint uniqueMeasureName() {
return new Constraint() {
@Override
public void validate(Component comp, Object value) {
String strValue = (String) value;
if (StringUtils.isBlank(strValue)) {
throw new WrongValueException(comp, _("cannot be empty"));
}
if (unitTypeModel.existsAnotherUnitTypeWithName(strValue)) {
throw new WrongValueException(comp,
_("The meausure name is not valid. There is " +
"another unit type with the same " +
"measure name"));
}
}
};
}
public Constraint uniqueCode() {
return new Constraint() {
@Override
public void validate(Component comp, Object value) {
String strValue = (String) value;
if (StringUtils.isBlank(strValue)) {
throw new WrongValueException(comp, _("cannot be empty"));
}
if (unitTypeModel.existsAnotherUnitTypeWithCode(strValue)) {
throw new WrongValueException(comp,
_("The code is not valid. There is another " +
"unit type with the same code"));
}
}
};
}
@Override
protected void save() throws ValidationException {
unitTypeModel.confirmSave();
}
public void onCheckGenerateCode(Event e) {
CheckEvent ce = (CheckEvent) e;
if (ce.isChecked()) {
// we have to auto-generate the code for new objects
try {
unitTypeModel.setCodeAutogenerated(ce.isChecked());
} catch (ConcurrentModificationException err) {
messagesForUser.showMessage(Level.ERROR, err.getMessage());
}
}
Util.reloadBindings(editWindow);
}
@Override
protected String getEntityType() {
return _("Material Unit");
}
@Override
protected String getPluralEntityType() {
return _("Material Units");
}
@Override
protected void initCreate() {
unitTypeModel.initCreate();
}
@Override
protected void initEdit(UnitType unitType) {
unitTypeModel.initEdit(unitType);
}
@Override
protected UnitType getEntityBeingEdited() {
return unitTypeModel.getCurrentUnitType();
}
@Override
protected void delete(UnitType unitType) throws InstanceNotFoundException {
unitTypeModel.remove(unitType);
}
@Override
protected boolean beforeDeleting(UnitType unitType) {
return !unitTypeModel.isUnitTypeUsedInAnyMaterial(unitType);
}
}