/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.richfaces.renderkit;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.ConverterException;
import javax.faces.model.SelectItem;
import org.ajax4jsf.javascript.JSFunctionDefinition;
import org.ajax4jsf.javascript.ScriptUtils;
import org.ajax4jsf.renderkit.HeaderResourcesRendererBase;
import org.ajax4jsf.renderkit.RendererUtils.HTML;
import org.ajax4jsf.util.InputUtils;
import org.ajax4jsf.util.SelectUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.richfaces.component.UIComboBox;
/**
* @author Anton Belevich
* @since 3.2.0
* ComboBox Base renderer implementation
*
*/
public class ComboBoxBaseRenderer extends HeaderResourcesRendererBase {
private static final String RICH_COMBOBOX_ITEM_CLASSES = "rich-combobox-item rich-combobox-item-normal";
private static Log logger = LogFactory.getLog(ComboBoxBaseRenderer.class);
protected Class<? extends UIComponent> getComponentClass() {
return UIComboBox.class;
}
protected void doDecode(FacesContext context, UIComponent component) {
UIComboBox comboBox = null;
if (component instanceof UIComboBox) {
comboBox = (UIComboBox) component;
} else {
if (logger.isDebugEnabled()) {
logger.debug("No decoding necessary since the component " + component.getId() + " is not an instance or a sub class of UIComboBox");
}
return;
}
String clientId = comboBox.getClientId(context);
if (clientId == null) {
throw new NullPointerException("component client id is NULL");
}
if (InputUtils.isDisabled(comboBox) || InputUtils.isReadOnly(comboBox)) {
if (logger.isDebugEnabled()) {
logger.debug(("No decoding necessary since the component " + component.getId() + " is disabled"));
}
}
Map <String, String> request = context.getExternalContext().getRequestParameterMap();
String newValue = (String) request.get(clientId);
if (newValue != null) {
comboBox.setSubmittedValue(newValue);
}
}
public List<Object> getItems(FacesContext context, UIComponent component) throws IOException, IllegalArgumentException {
List <Object>values = new ArrayList<Object>();
if (isAcceptableComponent(component)) {
UIComboBox comboBox = (UIComboBox) component;
values.addAll(encodeSuggestionValues(context, comboBox));
List<SelectItem> selectItems = SelectUtils.getSelectItems(context, component);
for (SelectItem selectItem : selectItems) {
String convertedValue = getConvertedStringValue(context, component, selectItem.getValue());
if("".equals(convertedValue)) {
convertedValue = "\u00A0";
}
values.add(convertedValue);
}
}
return values;
}
public List<Object> encodeSuggestionValues(FacesContext context, UIComboBox combobox) throws IOException, IllegalArgumentException {
List<Object> values = new ArrayList<Object>();
Object suggestionValues = combobox.getSuggestionValues();
if (suggestionValues != null) {
if (suggestionValues instanceof Collection) {
Collection collection = (Collection) suggestionValues;
for (Object suggestionValue : collection) {
String convertedValue = getConvertedStringValue(context, combobox, suggestionValue);
values.add(convertedValue);
}
} else if (suggestionValues.getClass().isArray()) {
Object[] suggestions = (Object[]) suggestionValues;
for (Object suggestionValue: suggestions) {
String convertedValue = getConvertedStringValue(context, combobox, suggestionValue);
values.add(convertedValue);
}
} else {
throw new IllegalArgumentException("suggestionValues should be Collection or Array");
}
}
return values;
}
@Override
public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException {
return InputUtils.getConvertedValue(context, component, submittedValue);
}
protected String getConvertedStringValue(FacesContext context, UIComponent component, Object value) {
return InputUtils.getConvertedStringValue(context, component, value);
}
protected boolean isAcceptableComponent(UIComponent component) {
return component != null && this.getComponentClass().isAssignableFrom(component.getClass());
}
}