Application: gvSIG desktop » gvSIG tools: Expression Field

package org.gvsig.expressionfield;

import junit.framework.Test;

import junit.framework.TestSuite;

public class AllTests {

	public static Test suite() {

		TestSuite suite = new TestSuite(

				"Test for com.iver.cit.gvsig.expressionField");

		//$JUnit-BEGIN$

		//$JUnit-END$

		return suite;

	}

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield;

import org.gvsig.about.AboutManager;

import org.gvsig.about.AboutParticipant;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

/**

 * About extension.

 *

 * Add the about coments to the gvSIG About panel

 */

public class AboutExpressionFieldExtension extends Extension {

	public void initialize() {

		// TODO Auto-generated method stub

	}

	public void postInitialize() {

		ApplicationManager application = ApplicationLocator.getManager();

		AboutManager about = application.getAbout();

		about.addDeveloper(

				"IVER",

				this.getClass().getClassLoader().getResource("iver.html"),

				1

		);

		AboutParticipant participant = about.getDeveloper("IVER");

		participant.addContribution(

			"Expression field",

			"Extesi?n para el c?lculo de una expresi?n sobre una columna de la tabla.", 

			2007,1,1, 

			2007,12,31

		);

	}

	public void execute(String actionCommand) {

	}

	public boolean isEnabled() {

		return false;

	}

	public boolean isVisible() {

		return false;

	}

}

/**

 * *****************************************************************************

 *

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 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 3

 * 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.expressionfield;

import java.awt.Component;

import java.util.ArrayList;

import java.util.Iterator;

import javax.swing.JOptionPane;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.project.documents.table.gui.FeatureTableDocumentPanel;

import org.gvsig.expressionfield.gui.FieldExpressionPage;

import org.gvsig.expressionfield.project.documents.table.IOperator;

import org.gvsig.expressionfield.project.documents.table.gui.EvalExpressionDialog;

import org.gvsig.expressionfield.project.documents.table.operators.Abs;

import org.gvsig.expressionfield.project.documents.table.operators.Acos;

import org.gvsig.expressionfield.project.documents.table.operators.After;

import org.gvsig.expressionfield.project.documents.table.operators.Area;

import org.gvsig.expressionfield.project.documents.table.operators.Asin;

import org.gvsig.expressionfield.project.documents.table.operators.Atan;

import org.gvsig.expressionfield.project.documents.table.operators.Before;

import org.gvsig.expressionfield.project.documents.table.operators.Ceil;

import org.gvsig.expressionfield.project.documents.table.operators.Cos;

import org.gvsig.expressionfield.project.documents.table.operators.DateToString;

import org.gvsig.expressionfield.project.documents.table.operators.Distinct;

import org.gvsig.expressionfield.project.documents.table.operators.Division;

import org.gvsig.expressionfield.project.documents.table.operators.E;

import org.gvsig.expressionfield.project.documents.table.operators.EndsWith;

import org.gvsig.expressionfield.project.documents.table.operators.Equal;

import org.gvsig.expressionfield.project.documents.table.operators.Equals;

import org.gvsig.expressionfield.project.documents.table.operators.Exp;

import org.gvsig.expressionfield.project.documents.table.operators.Floor;

import org.gvsig.expressionfield.project.documents.table.operators.Geometry;

import org.gvsig.expressionfield.project.documents.table.operators.GetTimeDate;

import org.gvsig.expressionfield.project.documents.table.operators.IndexOf;

import org.gvsig.expressionfield.project.documents.table.operators.IsNumber;

import org.gvsig.expressionfield.project.documents.table.operators.LastIndexOf;

import org.gvsig.expressionfield.project.documents.table.operators.Length;

import org.gvsig.expressionfield.project.documents.table.operators.LessEquals;

import org.gvsig.expressionfield.project.documents.table.operators.LessThan;

import org.gvsig.expressionfield.project.documents.table.operators.Log;

import org.gvsig.expressionfield.project.documents.table.operators.Max;

import org.gvsig.expressionfield.project.documents.table.operators.Min;

import org.gvsig.expressionfield.project.documents.table.operators.Minus;

import org.gvsig.expressionfield.project.documents.table.operators.MoreEquals;

import org.gvsig.expressionfield.project.documents.table.operators.MoreThan;

import org.gvsig.expressionfield.project.documents.table.operators.Perimeter;

import org.gvsig.expressionfield.project.documents.table.operators.Pi;

import org.gvsig.expressionfield.project.documents.table.operators.Plus;

import org.gvsig.expressionfield.project.documents.table.operators.PointX;

import org.gvsig.expressionfield.project.documents.table.operators.PointY;

import org.gvsig.expressionfield.project.documents.table.operators.Pow;

import org.gvsig.expressionfield.project.documents.table.operators.Random;

import org.gvsig.expressionfield.project.documents.table.operators.RecordIndex;

import org.gvsig.expressionfield.project.documents.table.operators.Replace;

import org.gvsig.expressionfield.project.documents.table.operators.Round;

import org.gvsig.expressionfield.project.documents.table.operators.SetTimeDate;

import org.gvsig.expressionfield.project.documents.table.operators.Sin;

import org.gvsig.expressionfield.project.documents.table.operators.Sqrt;

import org.gvsig.expressionfield.project.documents.table.operators.StartsWith;

import org.gvsig.expressionfield.project.documents.table.operators.SubString;

import org.gvsig.expressionfield.project.documents.table.operators.Tan;

import org.gvsig.expressionfield.project.documents.table.operators.Times;

import org.gvsig.expressionfield.project.documents.table.operators.ToDate;

import org.gvsig.expressionfield.project.documents.table.operators.ToDegrees;

import org.gvsig.expressionfield.project.documents.table.operators.ToLowerCase;

import org.gvsig.expressionfield.project.documents.table.operators.ToNumber;

import org.gvsig.expressionfield.project.documents.table.operators.ToRadians;

import org.gvsig.expressionfield.project.documents.table.operators.ToString;

import org.gvsig.expressionfield.project.documents.table.operators.ToUpperCase;

import org.gvsig.expressionfield.project.documents.table.operators.Trim;

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.utils.swing.threads.AbstractMonitorableTask;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * @author Vicente Caballero Navarro

 */

public class ExpressionFieldExtension extends Extension {

    private static Logger logger = LoggerFactory.getLogger(ExpressionFieldExtension.class);

    public static final String JYTHON = "jython";

    private static BSFManager interpreter = new BSFManager();

    private FeatureTableDocumentPanel table = null;

    private static ArrayList<IOperator> operators = new ArrayList<IOperator>();

    public void initialize() {

        registerIcons();

        registerOperations();

    }

    public void execute(String actionCommand) {

        if ( "table-expression-field".equalsIgnoreCase(actionCommand) ) {

            org.gvsig.andami.ui.mdiManager.IWindow window = PluginServices.getMDIManager().getActiveWindow();

            table = (FeatureTableDocumentPanel) window;

            if ( !table.getModel().getStore().isEditing() ) {

                int option = JOptionPane.showConfirmDialog((Component) PluginServices.getMainFrame(), PluginServices.getText(this, "is_not_in_editing_are_you_sure"));

                if ( option != JOptionPane.OK_OPTION ) {

                    return;

                }

            }

            if ( operators.isEmpty() ) {

                PluginServices.cancelableBackgroundExecution(new EvalOperatorsTask());

            } else {

                EvalExpressionDialog eed = new EvalExpressionDialog(table, interpreter, operators);

                PluginServices.getMDIManager().addWindow(eed);

            }

        }

    }

    public void postInitialize() {

    }

    public boolean isEnabled() {

        org.gvsig.andami.ui.mdiManager.IWindow window = PluginServices.getMDIManager().getActiveWindow();

        if ( window instanceof FeatureTableDocumentPanel ) {

            FeatureTableDocumentPanel table = (FeatureTableDocumentPanel) window;

            int columnSelected = 0;

            try {

                columnSelected = table.getTablePanel().getTable().getSelectedColumnCount();

            } catch (DataException e) {

                logger.error("Can't get selected column in table.", e);

            }

            if ( columnSelected > 0 && table.getModel().getStore().isEditing() ) {

                return true;

            }

        }

        return false;

    }

    public boolean isVisible() {

        org.gvsig.andami.ui.mdiManager.IWindow window = PluginServices.getMDIManager().getActiveWindow();

        if ( window instanceof FeatureTableDocumentPanel ) {

            return true;

        }

        return false;

    }

    private void registerOperations() {

        ExtensionPoint extensionPoints = ToolsLocator.getExtensionPointManager().add(

                "cad_editing_properties_pages", "");

        extensionPoints.append("fieldExpression", "", new FieldExpressionPage());

        extensionPoints = ToolsLocator.getExtensionPointManager().add(

                "ColumnOperators", "");

        extensionPoints.append(Abs.class.toString(), "", Abs.class);

        extensionPoints.append(Acos.class.toString(), "", Acos.class);

        extensionPoints.append(After.class.toString(), "", After.class);

        extensionPoints.append(Area.class.toString(), "", Area.class);

        extensionPoints.append(Asin.class.toString(), "", Asin.class);

        extensionPoints.append(Atan.class.toString(), "", Atan.class);

        extensionPoints.append(Acos.class.toString(), "", Acos.class);

        extensionPoints.append(Before.class.toString(), "", Before.class);

        extensionPoints.append(Ceil.class.toString(), "", Ceil.class);

        extensionPoints.append(Cos.class.toString(), "", Cos.class);

        extensionPoints.append(DateToString.class.toString(), "", DateToString.class);

        extensionPoints.append(Distinct.class.toString(), "", Distinct.class);

        extensionPoints.append(Division.class.toString(), "", Division.class);

        extensionPoints.append(E.class.toString(), "", E.class);

        extensionPoints.append(EndsWith.class.toString(), "", EndsWith.class);

        extensionPoints.append(Equal.class.toString(), "", Equal.class);

        extensionPoints.append(Equals.class.toString(), "", Equals.class);

        extensionPoints.append(Exp.class.toString(), "", Exp.class);

        extensionPoints.append(Floor.class.toString(), "", Floor.class);

        extensionPoints.append(Geometry.class.toString(), "", Geometry.class);

        extensionPoints.append(GetTimeDate.class.toString(), "", GetTimeDate.class);

        extensionPoints.append(IndexOf.class.toString(), "", IndexOf.class);

        extensionPoints.append(IsNumber.class.toString(), "", IsNumber.class);

        extensionPoints.append(LastIndexOf.class.toString(), "", LastIndexOf.class);

        extensionPoints.append(Length.class.toString(), "", Length.class);

        extensionPoints.append(LessEquals.class.toString(), "", LessEquals.class);

        extensionPoints.append(LessThan.class.toString(), "", LessThan.class);

        extensionPoints.append(Log.class.toString(), "", Log.class);

        extensionPoints.append(Max.class.toString(), "", Max.class);

        extensionPoints.append(Min.class.toString(), "", Min.class);

        extensionPoints.append(Minus.class.toString(), "", Minus.class);

        extensionPoints.append(MoreEquals.class.toString(), "", MoreEquals.class);

        extensionPoints.append(MoreThan.class.toString(), "", MoreThan.class);

        extensionPoints.append(Perimeter.class.toString(), "", Perimeter.class);

        extensionPoints.append(Pi.class.toString(), "", Pi.class);

        extensionPoints.append(Plus.class.toString(), "", Plus.class);

        extensionPoints.append(PointX.class.toString(), "", PointX.class);

        extensionPoints.append(PointY.class.toString(), "", PointY.class);

        extensionPoints.append(Pow.class.toString(), "", Pow.class);

        extensionPoints.append(Random.class.toString(), "", Random.class);

        // Added November 2013

        extensionPoints.append(RecordIndex.class.toString(), "", RecordIndex.class);

        extensionPoints.append(Replace.class.toString(), "", Replace.class);

        extensionPoints.append(Round.class.toString(), "", Round.class);

        extensionPoints.append(SetTimeDate.class.toString(), "", SetTimeDate.class);

        extensionPoints.append(Sin.class.toString(), "", Sin.class);

        extensionPoints.append(Sqrt.class.toString(), "", Sqrt.class);

        extensionPoints.append(StartsWith.class.toString(), "", StartsWith.class);

        extensionPoints.append(SubString.class.toString(), "", SubString.class);

        extensionPoints.append(Tan.class.toString(), "", Tan.class);

        extensionPoints.append(Times.class.toString(), "", Times.class);

        extensionPoints.append(ToDate.class.toString(), "", ToDate.class);

        extensionPoints.append(ToDegrees.class.toString(), "", ToDegrees.class);

        extensionPoints.append(ToLowerCase.class.toString(), "", ToLowerCase.class);

        extensionPoints.append(ToNumber.class.toString(), "", ToNumber.class);

        extensionPoints.append(ToRadians.class.toString(), "", ToRadians.class);

        extensionPoints.append(ToString.class.toString(), "", ToString.class);

        extensionPoints.append(ToUpperCase.class.toString(), "", ToUpperCase.class);

        extensionPoints.append(Trim.class.toString(), "", Trim.class);

    }

    private void registerIcons() {

        IconThemeHelper.registerIcon("action", "table-expression-field", this);

        IconThemeHelper.registerIcon("preferences", "expression-field-preferences", this);

    }

    private class EvalOperatorsTask extends AbstractMonitorableTask {

        private ExtensionPoint extensionPoint;

        public EvalOperatorsTask() {

            setInitialStep(0);

            setDeterminatedProcess(true);

            setStatusMessage(PluginServices.getText(this, "charging_operators") + "...");

            this.extensionPoint = ToolsLocator.getExtensionPointManager().get(

                    "ColumnOperators");

            setFinalStep(extensionPoint.getCount() + 1);

        }

        public void run() throws Exception {

            NotificationManager.addInfo(PluginServices.getText(this, "charging_operators"));

            long t1 = System.currentTimeMillis();

            Iterator iterator = extensionPoint.iterator();

            while ( iterator.hasNext() ) {

                try {

                    if ( isCanceled() ) {

                        return;

                    }

                    org.gvsig.tools.extensionpoint.ExtensionPoint.Extension obj = (org.gvsig.tools.extensionpoint.ExtensionPoint.Extension) iterator.next();

                    IOperator operator = (IOperator) extensionPoint.create(obj.getName());

                    operator.eval(interpreter);

                    operators.add(operator);

                    reportStep();

                    setNote(operator.getClass().getName());

                } catch (InstantiationException e) {

                    e.printStackTrace();

                } catch (IllegalAccessException e) {

                    e.printStackTrace();

                } catch (ClassCastException e) {

                    e.printStackTrace();

                }

            }

            long t2 = System.currentTimeMillis();

            System.out.println("Tiempo en evaluar y crear del extension point = " + (t2 - t1));

            long t3 = System.currentTimeMillis();

            System.out.println("Tiempo en a?adir los operadores correctos = " + (t3 - t2));

            reportStep();

        }

        public void finished() {

            if ( isCanceled() ) {

                return;

            }

            NotificationManager.addInfo(PluginServices.getText(this, "charged_operators"));

            EvalExpressionDialog eed = new EvalExpressionDialog(table, interpreter, operators);

            PluginServices.getMDIManager().addWindow(eed);

        }

    }

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.gui;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.util.prefs.Preferences;

import javax.swing.ImageIcon;

import javax.swing.JCheckBox;

import javax.swing.JPanel;

import javax.swing.JTextArea;

import javax.swing.JTextField;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.preferences.AbstractPreferencePage;

import org.gvsig.andami.preferences.StoreException;

/**

 * @author Vicente Caballero Navarro

 */

public class FieldExpressionPage extends AbstractPreferencePage {

	private static Preferences prefs = Preferences.userRoot().node( "fieldExpressionOptions" );

	private JTextArea jTextArea = null;

	private JTextField txtLimit;

	private JCheckBox ckLimit=null;

	private ImageIcon icon;

	public FieldExpressionPage() {

		super();

		icon = IconThemeHelper.getImageIcon("expression-field-preferences");

		addComponent(getJTextArea());

		addComponent(PluginServices.getText(this, "limit_rows_in_memory") + ":",

			txtLimit = new JTextField("", 15));

		addComponent(ckLimit = new JCheckBox(PluginServices.getText(this, "without_limit")));

		ckLimit.addMouseListener(new MouseListener() {

			public void mouseClicked(MouseEvent e) {

				if (ckLimit.isSelected()) {

					txtLimit.setText(PluginServices.getText(this, "without_limit"));

				}else {

					if (txtLimit.getText().equals(PluginServices.getText(this, "without_limit")))

					txtLimit.setText("500000");

				}

			}

			public void mouseEntered(MouseEvent e) {

			}

			public void mouseExited(MouseEvent e) {

			}

			public void mousePressed(MouseEvent e) {

			}

			public void mouseReleased(MouseEvent e) {

			}

		});

	}

	public void initializeValues() {

		int limit = prefs.getInt("limit_rows_in_memory",-1);

		if (limit==-1) {

			ckLimit.setSelected(true);

			txtLimit.setText(PluginServices.getText(this,"without_limit"));

		}else {

			ckLimit.setSelected(false);

			txtLimit.setText(String.valueOf(limit));

		}

	}

	public String getID() {

		return this.getClass().getName();

	}

	public String getTitle() {

		return PluginServices.getText(this, "limit_rows_in_memory");

	}

	public JPanel getPanel() {

		return this;

	}

	public void storeValues() throws StoreException {

		int limit;

		try{

			if (ckLimit.isSelected()) {

				limit=-1;

			}else {

//			if (txtLimit.getText().equals(PluginServices.getText(this,"without_limit"))) {

//				limit=-1;

//			}else {

				limit=Integer.parseInt(txtLimit.getText());

			}

		}catch (Exception e) {

			throw new StoreException(PluginServices.getText(this,"limit_rows_in_memory")+PluginServices.getText(this,"error"));

		}

		prefs.putInt("limit_rows_in_memory", limit);

	}

	public void initializeDefaults() {

		int limit=prefs.getInt("limit_rows_in_memory",-1);

		if (limit==-1) {

			ckLimit.setSelected(true);

			txtLimit.setText(PluginServices.getText(this,"without_limit"));

		}else {

			ckLimit.setSelected(false);

			txtLimit.setText(String.valueOf(limit));

		}

	}

	public ImageIcon getIcon() {

		return icon;

	}

	/**

	 * This method initializes jTextArea

	 *

	 * @return javax.swing.JTextArea

	 */

	private JTextArea getJTextArea() {

		if (jTextArea == null) {

			jTextArea = new JTextArea();

			jTextArea.setBounds(new java.awt.Rectangle(13,7,285,57));

			jTextArea.setForeground(java.awt.Color.black);

			jTextArea.setBackground(java.awt.SystemColor.control);

			jTextArea.setRows(3);

			jTextArea.setWrapStyleWord(true);

			jTextArea.setLineWrap(true);

			jTextArea.setEditable(false);

			jTextArea.setText(PluginServices.getText(this,"specifies_the_limit_rows_in_memory_when_the_program_eval_the_expression"));

		}

		return jTextArea;

	}

	public boolean isValueChanged() {

		return super.hasChanged();

	}

	public void setChangesApplied() {

		setChanged(false);

	}

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table;

import java.awt.geom.PathIterator;

import java.util.ArrayList;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

/**

 * @author Vicente Caballero Navarro

 */

public abstract class GraphicOperator extends AbstractOperator{

	private FLyrVect lv=null;

	private static GeometryManager geomManager = GeometryLocator.getGeometryManager();

	public void setLayer(FLyrVect lv) {

		this.lv=lv;

	}

	public FLyrVect getLayer() {

		return lv;

	}

	public abstract double process(org.gvsig.fmap.dal.feature.Feature feature);

	protected ArrayList getXY(Geometry geometry) {

        ArrayList xs = new ArrayList();

        ArrayList ys = new ArrayList();

        ArrayList parts=new ArrayList();

        double[] theData = new double[6];

        //double[] aux = new double[6];

        PathIterator theIterator;

        int theType;

        int numParts = 0;

        theIterator = geometry.getPathIterator(null, geomManager.getFlatness()); //, flatness);

        boolean isClosed = false;

        while (!theIterator.isDone()) {

            theType = theIterator.currentSegment(theData);

            switch (theType) {

            case PathIterator.SEG_MOVETO:

            		if (numParts==0){

            			xs.add(new Double(theData[0]));

            			ys.add(new Double(theData[1]));

            		}else{

            			if (!isClosed){

            				Double[] x = (Double[]) xs.toArray(new Double[0]);

            				Double[] y = (Double[]) ys.toArray(new Double[0]);

            				parts.add(new Double[][] { x, y });

            				xs.clear();

            				ys.clear();

            			}

            			xs.add(new Double(theData[0]));

            			ys.add(new Double(theData[1]));

            		}

                numParts++;

                isClosed = false;

                break;

            case PathIterator.SEG_LINETO:

            	isClosed=false;

                xs.add(new Double(theData[0]));

                ys.add(new Double(theData[1]));

                break;

            case PathIterator.SEG_CLOSE:

            	isClosed=true;

                xs.add(new Double(theData[0]));

                ys.add(new Double(theData[1]));

                Double[] x = (Double[]) xs.toArray(new Double[0]);

                Double[] y = (Double[]) ys.toArray(new Double[0]);

                parts.add(new Double[][] { x, y });

                xs.clear();

                ys.clear();

                break;

            } //end switch

            theIterator.next();

        } //end while loop

        if (!isClosed){

        	isClosed=true;

        	xs.add(new Double(theData[0]));

            ys.add(new Double(theData[1]));

            Double[] x = (Double[]) xs.toArray(new Double[0]);

            Double[] y = (Double[]) ys.toArray(new Double[0]);

            parts.add(new Double[][] { x, y });

            xs.clear();

            ys.clear();

        }

        return parts;

    }

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.AbstractOperator;

import org.gvsig.expressionfield.project.documents.table.IOperator;

/**

 * @author Vicente Caballero Navarro

 */

public class Pow extends AbstractOperator{

	public String addText(String s) {

		return toString()+"("+s+", )";

	}

	public void eval(BSFManager interpreter) throws BSFException {

//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"double pow(double value1,double value2){return java.lang.Math.pow(value1,value2);};");

		interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,"def pow(value1, value2):\n" +

				"  import java.lang.Math\n" +

				"  return java.lang.Math.pow(value1,value2)");

	}

	public String toString() {

		return "pow";

	}

	public boolean isEnable() {

		return (getType()==IOperator.NUMBER);

	}

	public String getTooltip(){

		return PluginServices.getText(this,"operator")+":  "+ toString()+ "(" +PluginServices.getText(this,"parameter")+"1,"+PluginServices.getText(this,"parameter")+"2"+")\n"+getDescription();

	}

	public String getDescription() {

        return PluginServices.getText(this, "parameter") + "1"+": " +

        PluginServices.getText(this, "numeric_value") + "\n"+

        PluginServices.getText(this, "parameter") + "2"+": " +

        PluginServices.getText(this, "numeric_value") + "\n"+

        PluginServices.getText(this, "returns") + ": " +

        PluginServices.getText(this, "numeric_value") + "\n" +

        PluginServices.getText(this, "description") + ": " +

        "Returns the value of the first argument raised to the power of the second argument. Special cases:\n" +

        "* If the second argument is positive or negative zero, then the result is 1.0.\n" +

        "* If the second argument is 1.0, then the result is the same as the first argument.\n" +

        "* If the second argument is NaN, then the result is NaN.\n" +

        "* If the first argument is NaN and the second argument is nonzero, then the result is NaN.\n" +

        "* If\n" +

        "   - the absolute value of the first argument is greater than 1 and the second argument is positive infinity, or\n" +

        "   - the absolute value of the first argument is less than 1 and the second argument is negative infinity,\n" +

        "then the result is positive infinity.\n" +

        "* If\n" +

        "   - the absolute value of the first argument is greater than 1 and the second argument is negative infinity, or\n" +

        "   - the absolute value of the first argument is less than 1 and the second argument is positive infinity,\n" +

        "then the result is positive zero.\n" +

        "* If the absolute value of the first argument equals 1 and the second argument is infinite, then the result is NaN.\n" +

        "* If\n" +

        "   - the first argument is positive zero and the second argument is greater than zero, or\n" +

        "   - the first argument is positive infinity and the second argument is less than zero,\n" +

        "then the result is positive zero.\n" +

        "* If\n" +

        "   - the first argument is positive zero and the second argument is less than zero, or\n" +

        "   - the first argument is positive infinity and the second argument is greater than zero,\n" +

        "then the result is positive infinity.\n" +

        "* If\n" +

        "   - the first argument is negative zero and the second argument is greater than zero but not a finite odd integer, or\n" +

        "   - the first argument is negative infinity and the second argument is less than zero but not a finite odd integer,\n" +

        "then the result is positive zero.\n" +

        "* If\n" +

        "   - the first argument is negative zero and the second argument is a positive finite odd integer, or\n" +

        "   - the first argument is negative infinity and the second argument is a negative finite odd integer,\n" +

        "then the result is negative zero.\n" +

        "* If\n" +

        "   - the first argument is negative zero and the second argument is less than zero but not a finite odd integer, or\n" +

        "   - the first argument is negative infinity and the second argument is greater than zero but not a finite odd integer,\n" +

        "then the result is positive infinity.\n" +

        "* If\n" +

        "   - the first argument is negative zero and the second argument is a negative finite odd integer, or\n" +

        "   - the first argument is negative infinity and the second argument is a positive finite odd integer,\n" +

        "then the result is negative infinity.\n" +

        "* If the first argument is finite and less than zero\n" +

        "   - if the second argument is a finite even integer, the result is equal to the result of raising the absolute value of the first argument to the power of the second argument\n" +

        "   - if the second argument is a finite odd integer, the result is equal to the negative of the result of raising the absolute value of the first argument to the power of the second argument\n" +

        "   - if the second argument is finite and not an integer, then the result is NaN.\n" +

        "* If both arguments are integers, then the result is exactly equal to the mathematical result of raising the first argument to the power of the second argument if that result can in fact be represented exactly as a double value.";

    }

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.AbstractOperator;

import org.gvsig.expressionfield.project.documents.table.IOperator;

/**

 *

 * @author Vicente Caballero Navarro

 */

public class Abs extends AbstractOperator {

    public String addText(String s) {

        return toString() + "(" + s + ")";

    }

    public String toString() {

        return "abs";

    }

    public void eval(BSFManager interpreter) throws BSFException {

        interpreter.exec(ExpressionFieldExtension.JYTHON, null, -1, -1,

            "def abs(value):\n" +

            "  import java.lang.Math\n"+

            "  return java.lang.Math.abs(value)\n");

    }

    public boolean isEnable() {

        return (getType() == IOperator.NUMBER);

    }

    public double abs(double value) {

        return java.lang.Math.abs(value);

    }

    public String getDescription() {

        return PluginServices.getText(this, "parameter") + ": " +

        PluginServices.getText(this, "numeric_value") + "\n" +

        PluginServices.getText(this, "returns") + ": " +

        PluginServices.getText(this, "numeric_value") + "\n" +

        PluginServices.getText(this, "description") + ": " +

        "Returns the absolute value of a double value. If the argument is not negative, the argument is returned. " +

        "If the argument is negative, the negation of the argument is returned.\n " +

        "Special cases:\n" +

        "* If the argument is positive zero or negative zero, the result is positive zero.\n" +

        "* If the argument is infinite, the result is positive infinity.\n" +

        "* If the argument is NaN, the result is NaN.";

    }

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.AbstractOperator;

import org.gvsig.expressionfield.project.documents.table.FeatureIndex;

/**

 * This operator returns the 0-based feature index

 * by using the Jython bean 'featureIndex' previously declared 

 * @author jldominguez

 *

 */

public class RecordIndex extends AbstractOperator {

	public String addText(String s) {

		return toString()+"()";

	}

	public long process(FeatureIndex featIndex) {

		if (featIndex == null) {

			return -1;

		} else {

			return featIndex.get();

		}

	}

	public void eval(BSFManager interpreter) throws BSFException {

		interpreter.declareBean("jrec",this,RecordIndex.class);

		interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,"def rec():\n" +

				"  return jrec.process(featureIndex)");

	}

	public boolean isEnable() {

		return true;

	}

	public String toString() {

		return "rec";

	}

	public String getDescription() {

        return PluginServices.getText(this, "returns") + ": " +

        PluginServices.getText(this, "numeric_value") + "\n" +

        PluginServices.getText(this, "description") + ": " +

        "The 0-based index of the current record (row or feature).";

	}

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.AbstractOperator;

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

public abstract class AbstractField extends AbstractOperator{

	private boolean isEval=false;

	public Object getValue(Feature feature, String nameField){

		if (feature != null)

			return feature.get(nameField);

		return null;

	}

//	public Object getValue(String nameField,Index indexRow,SelectableDataSource sds) {

//		try {

//			int index=sds.getFieldIndexByName(nameField);

//			Value value=sds.getFieldValue(indexRow.get(),index);

//			if (value instanceof NumericValue) {

//				double dv=((NumericValue)value).doubleValue();

//				return new Double(dv);

//			}else if (value instanceof DateValue) {

//				Date date=((DateValue)value).getValue();

//				return date;

//			}else if (value instanceof BooleanValue){

//				boolean b=((BooleanValue)value).getValue();

//				return new Boolean(b);

//			}else {

//				return value.toString();

//			}

//		} catch (ReadDriverException e) {

//			throw new RuntimeException(e.getMessage());

//		}

//	}

	public void eval(BSFManager interpreter) throws BSFException {

		if (!isEval){

		interpreter.declareBean("jfield",this,Field.class);

		interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,"def field(nameField):\n" +

				"  return jfield.getValue(featureContainer.getFeature(), nameField)");

		isEval=true;

		}

	}

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.AbstractOperator;

import org.gvsig.expressionfield.project.documents.table.IOperator;

/**

 * @author Vicente Caballero Navarro

 */

public class SetTimeDate extends AbstractOperator{

	public String addText(String s) {

		return toString()+"("+s+")";

	}

	public String toString() {

		return "setTimeDate";

	}

	public void eval(BSFManager interpreter) throws BSFException {

//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"java.util.Date setTimeDate(java.lang.Object value1,double value2){value1.setTime((long)value2);return value1;};");

		interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,

				"import java.util.Date as jDate\n"+

				"def setTimeDate(value):\n"+

				"  aux = jDate()\n"+

				"  aux.setTime(long(value))\n"+

				"  return aux");

	}

	public boolean isEnable() {

		return (getType()==IOperator.DATE);

	}

	public String getDescription() {

	       return PluginServices.getText(this, "parameter") + ": " +

	        PluginServices.getText(this, "numeric_value") + "\n"+

	        PluginServices.getText(this, "returns") + ": " +

	        PluginServices.getText(this, "date_value") + "\n" +

	        PluginServices.getText(this, "description") + ": " +

	        "Returns a date object to represent a point in time that is 'parameter' milliseconds after January 1, 1970 00:00:00 GMT.";

    }

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.AbstractOperator;

import org.gvsig.expressionfield.project.documents.table.IOperator;

/**

 * @author Vicente Caballero Navarro

 */

public class Trim extends AbstractOperator{

	public String addText(String s) {

		return toString()+"("+s+")";

	}

	public String toString() {

		return "trim";

	}

	public void eval(BSFManager interpreter) throws BSFException {

//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"String trim(String value){return value.trim();};");

		interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,"def trim(value):\n" +

				"  return value.strip()");

	}

	public boolean isEnable() {

		return (getType()==IOperator.STRING);

	}

	public String getDescription() {

	    return PluginServices.getText(this, "parameter") + ": " +

	    PluginServices.getText(this, "string_value") + "\n" +

	    PluginServices.getText(this, "returns") + ": " +

	    PluginServices.getText(this, "string_value") + "\n" +

	    PluginServices.getText(this, "description") + ": " +

	    "Returns a copy of the string, with leading and trailing whitespace omitted.";

	}

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.AbstractOperator;

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

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

/**

 * @author Vicente Caballero Navarro

 */

public class FieldCopy extends AbstractOperator{

	private FeatureAttributeDescriptor fd;

	public FieldCopy() {

	}

	public void setFieldDescription(FeatureAttributeDescriptor fd) {

		this.fd=fd;

	}

	public String addText(String s) {

		return s.concat(toString());

	}

	public void eval(BSFManager interpreter) throws BSFException {

		interpreter.declareBean(fd.getName(),this,FieldCopy.class);

		interpreter.eval(ExpressionFieldExtension.JYTHON,null,-1,-1,"java.lang.Object "+ fd.getName()+ "(){return "+fd.getName()+".getValue(feature);};");

	}

	public Object getValue(Feature feature){

		return feature.get(fd.getName());

	}

//	public Object getValue(Index indexRow,FeatureStore sds) {

//		try {

//			int index=sds.getFieldIndexByName(fd.getName());

//			Value value=sds.getFieldValue(indexRow.get(),index);

//			if (value instanceof NumericValue) {

//				double dv=((NumericValue)value).doubleValue();

//				return new Double(dv);

//			}else if (value instanceof DateValue) {

//				Date date=((DateValue)value).getValue();

//				return date;

//			}else if (value instanceof BooleanValue){

//				boolean b=((BooleanValue)value).getValue();

//				return new Boolean(b);

//			}else {

//				return value.toString();

//			}

//		} catch (ReadDriverException e) {

//			throw new RuntimeException(e.getMessage());

//		}

//	}

	public String toString() {

		return "["+fd.getName()+"]";

	}

	public boolean isEnable() {

		return true;

	}

	public String getDescription() {

		// TODO Auto-generated method stub

		return null;

	}

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table.operators;

import java.util.ArrayList;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.GraphicOperator;

import org.gvsig.expressionfield.project.documents.table.IOperator;

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

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

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

/**

 * @author Vicente Caballero Navarro

 */

public class PointX extends GraphicOperator{

	public String addText(String s) {

		return s.concat(toString()+"()");

	}

	public double process(Feature feature){

//		ReadableVectorial adapter = getLayer().getSource();

		org.gvsig.fmap.geom.Geometry geom=null;

//		try {

			geom = feature.getDefaultGeometry();//adapter.getShape(index.get());

//		} catch (ExpansionFileReadException e) {

//			throw new DriverIOException(e);

//		} catch (ReadDriverException e) {

//			throw new DriverIOException(e);

//		}

		ArrayList parts=getXY(geom);

		Double[][] xsys=(Double[][])parts.get(0);//getXY(geom);

		return xsys[0][0].doubleValue();

	}

	public void eval(BSFManager interpreter) throws BSFException {

		interpreter.declareBean("pointX",this,PointX.class);

//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"double x(){return pointX.process(indexRow);};");

		interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,"def x():\n" +

				"  return pointX.process(featureContainer.getFeature())");

	}

	public String toString() {

		return "x";

	}

	public boolean isEnable() {

		if (getLayer()==null)

			return false;

		int geomType=org.gvsig.fmap.geom.Geometry.TYPES.POINT;

		try {

			FeatureStore store = getLayer().getFeatureStore();

			geomType = store.getDefaultFeatureType().getAttributeDescriptor(store.getDefaultFeatureType().getDefaultGeometryAttributeIndex()).getGeometryType();

		} catch (DataException e) {

			NotificationManager.addError(e);

		}

		return (getType()==IOperator.NUMBER && geomType==org.gvsig.fmap.geom.Geometry.TYPES.POINT);

	}

	public String getTooltip(){

		return PluginServices.getText(this,"operator")+":  "+addText("")+"\n"+getDescription();

	}

	public String getDescription() {

        return PluginServices.getText(this, "returns") + ": " +

        PluginServices.getText(this, "numeric_value") + "\n" +

        PluginServices.getText(this, "description") + ": " +

        "Returns the X coordenate of point geometry of this row.";

    }

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.AbstractOperator;

import org.gvsig.expressionfield.project.documents.table.IOperator;

/**

 * @author Vicente Caballero Navarro

 */

public class Floor extends AbstractOperator{

	public String addText(String s) {

		return toString()+"("+s+")";

	}

	public String toString() {

		return "floor";

	}

	public void eval(BSFManager interpreter) throws BSFException {

		interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,"def floor(value):\n" +

				"  import java.lang.Math\n" +

				"  return java.lang.Math.floor(value)");

	}

	public boolean isEnable() {

		return (getType()==IOperator.NUMBER);

	}

	public String getDescription() {

        return PluginServices.getText(this, "parameter") + ": " +

        PluginServices.getText(this, "numeric_value") + "\n" +

        PluginServices.getText(this, "returns") + ": " +

        PluginServices.getText(this, "numeric_value") + "\n" +

        PluginServices.getText(this, "description") + ": " +

        "Returns the largest (closest to positive infinity) double value that is not greater than the argument and is equal to a mathematical integer. Special cases:\n" +

        "* If the argument value is already equal to a mathematical integer, then the result is the same as the argument.\n" +

        "* If the argument is NaN or an infinity or positive zero or negative zero, then the result is the same as the argument.\n";

    }

}

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 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 3

 *   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.

 *   

 *******************************************************************************/