SelectList.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it).
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openspcoop2.web.lib.mvc.dynamic.components;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.openspcoop2.monitor.engine.dynamic.IDynamicLoader;
import org.openspcoop2.monitor.sdk.exceptions.ParameterException;
import org.openspcoop2.monitor.sdk.parameters.Parameter;
import org.openspcoop2.web.lib.mvc.DataElement;
import org.openspcoop2.web.lib.mvc.DataElementType;

/**
 * SelectList
 * 
 * @author Pintori Giuliano (pintori@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 *
 */
public class SelectList extends BaseComponent<String> {

    public SelectList(Parameter<String> parameter,IDynamicLoader loader) {
        super(parameter,loader);
    }

    @Override
    public DataElement toDataElement() throws ParameterException {
        DataElement de = new DataElement();
        de.setName(this.getId());
        de.setLabel(this.getRendering().getLabel()); 
        de.setPostBack_viaPOST(this.getRefreshParamIds().size() > 0);
        de.setRequired(this.getRendering().isRequired()); 
        de.setNote(this.getRendering().getSuggestion());

        de.setSelected(this.getValue());
        de.setType(DataElementType.SELECT);

        List<String> valuesList = new ArrayList<>();
        List<String> labelsList = new ArrayList<>();
        List<String> values = this.getRendering().getValues();
        List<String> labels = this.getRendering().getLabels();
        if(values!=null && values.size()>0) {
            for (int i = 0; i < values.size(); i++) {
                String itemValue = values.get(i);
                String itemLabel = itemValue;
                if(labels!=null && labels.size()==values.size()) {
                    itemLabel = labels.get(i);
                }
                valuesList.add(itemValue);
                labelsList.add(itemLabel);
            }
        }
//      else if(this.provider!=null){
//          List<String> tmp = this.provider.getValues(this.name);
//          if(tmp!=null && tmp.size()>0) {
//              valuesList.addAll(tmp);
//          }
//          tmp = this.provider.getLabels(this.name);
//          if(tmp!=null && tmp.size()>0) {
//              labelsList.addAll(tmp);
//          }
//      }
        de.setValues(valuesList);
        de.setLabels(labelsList);

        return de;
    }
    
    @Override
    public void setValueFromRequest(String parameterValue) throws ParameterException {
        if(parameterValue == null) {
            if(StringUtils.isNotEmpty(this.getRendering().getDefaultValue())) {
                this.setValue(this.getRendering().getDefaultValue());
            }
            else {
                this.setValue(null);
            }
        }else {
            this.setValue(parameterValue);
        }
    }
}