nz.co.senanque.vaadin.HintsImpl Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c)2014 Prometheus Consulting
*
* 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 nz.co.senanque.vaadin;
import java.io.Serializable;
import nz.co.senanque.vaadin.converter.StringToChoiceBase;
import nz.co.senanque.validationengine.ValidationException;
import nz.co.senanque.validationengine.choicelists.ChoiceBase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.MessageSource;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.context.support.MessageSourceAccessor;
import com.vaadin.server.ErrorEvent;
import com.vaadin.server.ErrorHandler;
import com.vaadin.server.UserError;
import com.vaadin.ui.AbstractField;
import com.vaadin.ui.AbstractSelect;
import com.vaadin.ui.AbstractTextField;
import com.vaadin.ui.Button;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.DateField;
import com.vaadin.ui.MenuBar.MenuItem;
import com.vaadin.ui.OptionGroup;
import com.vaadin.ui.PasswordField;
import com.vaadin.ui.TextField;
/**
* Different hints can be injected using Spring, as long as the new object implements the Hints
* interface. This object can be injected with variations as well.
*
* Hints are used to influence the FieldFactory so that it generates the right widgets for
* the fields it looks at.
*
* @author Roger Parkinson
*
*/
public class HintsImpl implements Hints, Serializable {
private static final long serialVersionUID = -1L;
Logger logger = LoggerFactory.getLogger(HintsImpl.class);
private String m_width = "200px";
private boolean m_forceImmediate = true;
private boolean m_hideInactive = true;
public HintsImpl()
{
logger.debug("Constructing...");
}
public boolean isHideInactive() {
return m_hideInactive;
}
public void setHideInactive(boolean hideInactive) {
m_hideInactive = hideInactive;
}
private SelectType m_selectType = SelectType.STANDARD;
public SelectType getSelectType() {
return m_selectType;
}
public void setSelectType(SelectType selectType) {
m_selectType = selectType;
}
public String getWidth() {
return m_width;
}
public void setWidth(String width) {
m_width = width;
}
public boolean isForceImmediate() {
return m_forceImmediate;
}
public void setForceImmediate(boolean forceImmediate) {
m_forceImmediate = forceImmediate;
}
public void setCommonProperties(final AbstractField ret, final MaduraPropertyWrapper property, final MessageSource messageSource)
{
ret.setWidth(getWidth());
if (ret instanceof AbstractSelect) {
AbstractSelect select = (AbstractSelect) ret;
select.setConverter(new StringToChoiceBase(property));
for (ChoiceBase v : property.getAvailableValues()) {
select.addItem(v);
// if (v.getKey().equals(property.getValue())) {
// select.setValue(v);
// }
}
ChoiceBase v = (ChoiceBase)property.getValue();
select.setValue(v);
}
try {
ret.setPropertyDataSource(property);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
ret.setCaption(property.getLabel());
ret.setRequired(property.isRequired());
if (property.isRequired())
{
ret.setInvalidCommitted(true);
}
if (property.isReadOnly()) {
ret.setReadOnly(true);
}
ret.setEnabled(property.isEnabled());
ret.setVisible(property.isVisible());
ret.setImmediate(m_forceImmediate);
ret.setLocale(LocaleContextHolder.getLocale());
MessageSourceAccessor messageSourceAccessor = new MessageSourceAccessor(messageSource);
ret.setDescription(messageSourceAccessor.getMessage(property.getDescription(), null,property.getDescription()));
if (property.isNumeric())
{
ret.addStyleName("v-textfield-align-right");
}
ret.setErrorHandler(new ErrorHandler(){
private static final long serialVersionUID = -1393935533100204195L;
@Override
public void error(ErrorEvent event) {
Throwable t = event.getThrowable();
while (t != null)
{
if (t instanceof ValidationException)
{
ret.setComponentError(new UserError(((ValidationException)t).getMessage()));
}
t = t.getCause();
}
}});
ret.setBuffered(false);
}
public void setCommonProperties(final MenuItem ret, final MaduraPropertyWrapper property, final MessageSource messageSource)
{
ret.setText(property.getLabel());
ret.setEnabled(property.isEnabled());
ret.setVisible(property.isVisible());
MessageSourceAccessor messageSourceAccessor = new MessageSourceAccessor(messageSource);
ret.setDescription(messageSourceAccessor.getMessage(property.getDescription(), null,property.getDescription()));
}
@Override
public void setCommonProperties(final Button ret,
MaduraPropertyWrapper property, MessageSource messageSource) {
// ret.setCaption(property.getLabel());
if (property.isReadOnly()) {
ret.setReadOnly(true);
}
ret.setEnabled(property.isEnabled());
ret.setVisible(property.isVisible());
ret.setImmediate(m_forceImmediate);
ret.setLocale(LocaleContextHolder.getLocale());
MessageSourceAccessor messageSourceAccessor = new MessageSourceAccessor(messageSource);
ret.setDescription(messageSourceAccessor.getMessage(property.getDescription(), null,property.getDescription()));
if (property.isNumeric())
{
ret.addStyleName("v-textfield-align-right");
}
ret.setErrorHandler(new ErrorHandler(){
private static final long serialVersionUID = -1393935533100204195L;
@Override
public void error(ErrorEvent event) {
Throwable t = event.getThrowable();
while (t != null)
{
if (t instanceof ValidationException)
{
ret.setComponentError(new UserError(((ValidationException)t).getMessage()));
}
t = t.getCause();
}
}});
}
public boolean isEnabled(boolean active) {
return active;
}
public boolean isVisible(boolean active) {
if (m_hideInactive)
{
return active;
}
return true;
}
@SuppressWarnings({ "deprecation", "static-access" })
public AbstractField getDateField(MaduraPropertyWrapper property) {
final DateField df = new DateField();
df.setResolution(DateField.RESOLUTION_DAY.DAY);
df.setStyleName("calendar");
return df;
}
public AbstractField getBooleanField(MaduraPropertyWrapper property) {
return new CheckBox();
}
public AbstractField getSelectField(MaduraPropertyWrapper property) {
AbstractSelect select = null;
switch (getSelectType())
{
case STANDARD:
select = new ComboBox();
// select.setMultiSelect(false);
select.setNullSelectionAllowed(true);
break;
case RADIO:
select = new OptionGroup();
select.setMultiSelect(false);
break;
}
// for (ChoiceBase v: property.getAvailableValues())
// {
// select.addItem(v);
// if (v.getKey().equals(property.getValue()))
// {
// select.setValue(v);
// }
// }
// select.setConverter(new StringToChoiceBase(property));
return select;
}
public AbstractField getTextField(MaduraPropertyWrapper property) {
AbstractTextField ret = null;
if (property.isSecret())
{
ret = new PasswordField();
}
else
{
ret = new TextField();
}
ret.setMaxLength(property.getMaxLength());
return ret;
}
public Button getButtonField(String name, MessageSource messageSource) {
MessageSourceAccessor messageSourceAccessor = new MessageSourceAccessor(messageSource);
Button ret = new Button(messageSourceAccessor.getMessage(name,null,name));
return ret;
}
}
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