| gvSIG desktop 1

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* This program 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; either version 2

* 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 General Public License for more details.

* 

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2010 {Prodevelop}   {Task}

*/

package org.gvsig.annotation.swing.impl.panel;

import javax.swing.JComboBox;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.i18n.Messages;

import org.gvsig.tools.dataTypes.DataTypes;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera Llodr&aacute;</a>

 */

public class FeatuteAttributeCombo extends JComboBox{

        private FeatureStore featureStore;

        private boolean isNullable = true;

        public FeatuteAttributeCombo(FeatureStore featureStore, boolean isNullable) throws DataException {

                super();

                this.featureStore = featureStore;

                setNullable(isNullable);

                addFields();

        }

        public FeatuteAttributeCombo(FeatureStore featureStore, int dataType, boolean isNullable) throws DataException {

                super();

                this.featureStore = featureStore;

                setNullable(isNullable);

                addFields(dataType);

        }

        private void setNullable(boolean isNullable){

                this.isNullable = isNullable;

                if (isNullable){

                        this.addItem(new String("- " + Messages.getText("default") + " -"));

                }

        }        

        private void addFields() throws DataException {

                FeatureAttributeDescriptor[] featureAttributeDescriptors = featureStore.getDefaultFeatureType().getAttributeDescriptors();

                for (int i=0; i<featureAttributeDescriptors.length ; i++){

                        this.addItem(featureAttributeDescriptors[i].getName());

                }

        }

        private void addFields(int dataType) throws DataException {

                FeatureAttributeDescriptor[] featureAttributeDescriptors = featureStore.getDefaultFeatureType().getAttributeDescriptors();

                for (int i=0; i<featureAttributeDescriptors.length ; i++){

                        if (featureAttributeDescriptors[i].getDataType().getType() == dataType){

                                this.addItem(featureAttributeDescriptors[i].getName());

                        }

                        //Double fields includes Integer and long

                        if (DataTypes.DOUBLE == dataType){

                                if (DataTypes.INT == featureAttributeDescriptors[i].getDataType().getType()){

                                        this.addItem(featureAttributeDescriptors[i].getName());

                                }else if (DataTypes.LONG == featureAttributeDescriptors[i].getDataType().getType()){

                                        this.addItem(featureAttributeDescriptors[i].getName());

                                }

                        }                                

                }

        }

        public String getSelectedAttribute() {

                if (isNullable){

                        int index = super.getSelectedIndex();

                        if (index == 0){

                                return null;

                        }else{

                                return (String)super.getSelectedItem();

                        }

                }else{

                        return (String)super.getSelectedItem();

                }

        }        

}