Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

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

 * of the Valencian Gobernment (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):

 * 2008 {DiSiD Technologies}  {{Task}}

 */

package org.gvsig.fmap.data.feature.swing.table;

import java.awt.event.ActionEvent;

import java.awt.event.ItemEvent;

import java.util.EventObject;

import javax.swing.DefaultCellEditor;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.operation.fromwkt.FromWKT;

import org.gvsig.fmap.geom.operation.fromwkt.FromWKTGeometryOperationContext;

import org.gvsig.fmap.geom.operation.towkt.ToWKT;

import org.gvsig.fmap.geom.primitive.NullGeometry;

/**

 * Editor for cells of type Geometry.

 * 

 * @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>

 */

public class GeometryWKTCellEditor extends TextAreaCellEditor {

    private static final long serialVersionUID = -2296004227902843851L;

    private final Geometry nullGeometry = new NullGeometry();

    public GeometryWKTCellEditor() {

        super();

        delegate = new GeometryToWKTDelegate(delegate); 

    }

    @Override

    public Object getCellEditorValue() {

        String wkt = (String) super.getCellEditorValue();

        FromWKTGeometryOperationContext context = new FromWKTGeometryOperationContext(

                wkt, null);

        try {

            return nullGeometry.invokeOperation(FromWKT.CODE, context);

        } catch (Exception ex) {

            throw new WKTToGeometryException(wkt, ex);

        }

    }

    @SuppressWarnings("serial")

    private class GeometryToWKTDelegate extends

            DefaultCellEditor.EditorDelegate {

        private DefaultCellEditor.EditorDelegate delegate;

        public GeometryToWKTDelegate(DefaultCellEditor.EditorDelegate delegate) {

            this.delegate = delegate;

        }

        public void setValue(Object value) {

            String strValue = "";

            if (value != null) {

                try {

                    Geometry geometry = (Geometry) value;

                    strValue = (String) geometry.invokeOperation(ToWKT.CODE,

                            null);

                } catch (Exception ex) {

                    throw new GeometryToWKTException(ex);

                }

            }

            delegate.setValue(strValue);

        }

        public void actionPerformed(ActionEvent e) {

            delegate.actionPerformed(e);

        }

        public void cancelCellEditing() {

            delegate.cancelCellEditing();

        }

        public boolean equals(Object obj) {

            return delegate.equals(obj);

        }

        public Object getCellEditorValue() {

            return delegate.getCellEditorValue();

        }

        public int hashCode() {

            return delegate.hashCode();

        }

        public boolean isCellEditable(EventObject anEvent) {

            return delegate.isCellEditable(anEvent);

        }

        public void itemStateChanged(ItemEvent e) {

            delegate.itemStateChanged(e);

        }

        public boolean shouldSelectCell(EventObject anEvent) {

            return delegate.shouldSelectCell(anEvent);

        }

        public boolean startCellEditing(EventObject anEvent) {

            return delegate.startCellEditing(anEvent);

        }

        public boolean stopCellEditing() {

            return delegate.stopCellEditing();

        }

        public String toString() {

            return delegate.toString();

        }

    }

}