Application: gvSIG desktop » gvSIG tools: Derived geometries

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2014 gvSIG Association

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.derivedgeometries.swing.impl.views;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

import javax.swing.table.AbstractTableModel;

import org.gvsig.derivedgeometries.swing.api.exceptions.FormatRowException;

import org.gvsig.derivedgeometries.swing.api.exceptions.LoadSelectedFeatureDataException;

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

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

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

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

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

public class SelectedFeaturesTableModel extends AbstractTableModel {

    private static final long serialVersionUID = -3905635376996886077L;

    private List<String[]> data = null;

    private String[] columnNames = null;

    private int rowCount = 0;

    private FeatureStore featureStore;

    // Autoincrement variable

    private int orderCount = 0;

    public SelectedFeaturesTableModel() {

        this.featureStore = null;

    }

    public SelectedFeaturesTableModel(FeatureStore theFeatureStore) {

        this.featureStore = theFeatureStore;

    }

    public void loadData(List<FeatureReference> features)

        throws LoadSelectedFeatureDataException {

        clear();

        List<String[]> tmpData = new ArrayList<String[]>();

        Feature feature = null;

        for (FeatureReference featureReference : features) {

            try {

                feature = featureReference.getFeature();

                tmpData.add(formatRow(feature));

            } catch (DataException e) {

                String message =

                    String.format("Error getting feature through %1 ",

                        featureReference);

                throw new LoadSelectedFeatureDataException(message, e);

            } catch (FormatRowException e) {

                String message =

                    String.format("Error formatting data of %1", feature);

                throw new LoadSelectedFeatureDataException(message, e);

            }

        }

        data = Collections.unmodifiableList(tmpData);

        rowCount = data.size();

        try {

            columnNames =

                getColumnNamesFromType(featureStore.getDefaultFeatureType());

        } catch (DataException e) {

            String message = String.format("Error getting feature type of %1", featureStore);

            throw new LoadSelectedFeatureDataException(message, e);

        }

        fireTableStructureChanged();

    }

    private String[] getColumnNamesFromType(FeatureType featureType) {

        int count = featureType.size();

        List<String> names = new ArrayList<String>();

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        names.add(i18nManager.getTranslation("_Order"));

        for (int i = 0; i < count; i++) {

            names.add(featureType.getAttributeDescriptor(i).getName());

        }

        return names.toArray(new String[] {});

    }

    private String[] formatRow(Feature feature) throws FormatRowException {

        FeatureType featureType;

        try {

            featureType = featureStore.getDefaultFeatureType();

        } catch (DataException e) {

            String message =

                String.format("Error getting feature type of %1",

                    featureStore.getName());

            throw new FormatRowException(message, e);

        }

        int featureSize = featureType.size();

        List<String> featureData = null;

        if (featureSize > 0) {

            featureData = new ArrayList<String>();

            // Add Order data and autoincrement

            featureData.add(String.valueOf(orderCount));

            orderCount++;

            for (int i = 0; i < featureSize; i++) {

                featureData.add(String.valueOf(feature.get(i)));

            }

        }

        return featureData.toArray(new String[] {});

    }

    public int getRowCount() {

        return rowCount;

    }

    public int getColumnCount() {

        if (columnNames == null) {

            return 0;

        }

        return columnNames.length;

    }

    public Object getValueAt(int rowIndex, int columnIndex) {

        if (data == null) {

            return "";

        }

        return data.get(rowIndex)[columnIndex];

    }

    @Override

    public String getColumnName(int column) {

        if (columnNames == null) {

            return null;

        }

        return columnNames[column];

    }

    public void clear() {

        data = null;

        columnNames = null;

        rowCount = 0;

        orderCount = 0;

        fireTableDataChanged();

    }

}