Application: gvSIG desktop » gvSIG tools: Expression Field

#Mon Jan 28 17:48:55 CET 2019

buildNumber=2156

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 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.tools.extensionpoint.ExtensionPointManager;

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() {

        ExtensionPointManager extensionPointsManager =ToolsLocator.getExtensionPointManager();

        ExtensionPoint ep = extensionPointsManager.add("AplicationPreferences", "");

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

        ExtensionPoint 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;

	protected static final 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);

}

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

 *

 *   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.project.documents.table.AbstractOperator;

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

/**

 * @author Vicente Caballero Navarro

 */

public class Plus extends AbstractOperator{

	public String addText(String s) {

		return s.concat(toString());

	}

	public String toString() {

		return "+";

	}

	public void eval(BSFManager interpreter) throws BSFException {

	}

	public boolean isEnable() {

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

	}

	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 result of sum.";

    }

}

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

 *

 *   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 Atan extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "atan";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.atan(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 arc tangent of an angle, in the range of -pi/2 through pi/2. Special cases:\n" +

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

        "* If the argument is zero, then the result is a zero with the same sign 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.

 *   

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

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 Min extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "min";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

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

	}

	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 smaller of two int values. That is, the result the argument closer to the value of Integer.MIN_VALUE.\n" +

        "If the arguments have the same value, the result is that same 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.gvsig.andami.PluginServices;

import org.gvsig.fmap.dal.DataTypes;

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

/**

 * @author Vicente Caballero Navarro

 */

public class Field extends AbstractField {

    private FeatureAttributeDescriptor fd;

    private String typeField;

    public Field() {

    }

    public void setFieldDescription(FeatureAttributeDescriptor fd) {

        this.fd = fd;

        switch (fd.getType()) {

        case DataTypes.INT:

        case DataTypes.LONG:

        case DataTypes.FLOAT:

        case DataTypes.DOUBLE:

            typeField = PluginServices.getText(this, "numeric_value");

            break;

        case DataTypes.STRING:

            typeField = PluginServices.getText(this, "string_value");

            break;

        case DataTypes.BOOLEAN:

            typeField = PluginServices.getText(this, "boolean_value");

            break;

        case DataTypes.DATE:

            typeField = PluginServices.getText(this, "date_value");

            break;

        }

    }

    public String addText(String s) {

        return s.concat(toString());

    }

    public String toString() {

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

    }

    public boolean isEnable() {

        return true;

    }

    public String getTooltip() {

        return PluginServices.getText(this, "field") + ":  " + fd.getName() + "\n" + getDescription();

    }

    public String getDescription() {

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

                + typeField;

    }

    public String getName() {

        return this.fd.getName();

    }

}

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

 *

 *   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 ToRadians extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "toRadians";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.toRadians(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") + ": " +

        "Converts an angle measured in degrees to an approximately equivalent angle measured in radians. The conversion from degrees to radians is generally inexact.";

    }

}

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

 *

 *   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 Max extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "max";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

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

	}

	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 greater of two double values. That is, the result is the argument closer to positive infinity. \n" +

        "If the arguments have the same value, the result is that same value. If either value is NaN, then the result is NaN.\n" +

        "Unlike the the numerical comparison operators, this method considers negative zero to be strictly smaller than positive zero.\n" +

        "If one argument is positive zero and the other negative zero, the result is positive zero.";

    }

}

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

 *

 *   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 Acos extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "acos";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

	            "def acos(value):\n" +

	            "  import java.lang.Math\n"+

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

//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"double acos(double value){return java.lang.Math.acos(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 arc cosine of an angle, in the range of 0.0 through pi. Special case:\n" +

        "* If the argument is NaN or its absolute value is greater than 1, then 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.IOperator;

/**

 * @author Vicente Caballero Navarro

 */

public class Sin extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "sin";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.sin(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 trigonometric sine of an angle. Special cases:\n" +

        "* If the argument is NaN or an infinity, then the result is NaN.\n" +

        "* If the argument is zero, then the result is a zero with the same sign as the argument.";

    }

}

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

 *

 *   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 Sqrt extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "sqrt";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.sqrt(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 correctly rounded positive square root of a double value. Special cases:\n" +

        "* If the argument is NaN or less than zero, then the result is NaN.\n" +

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

        "* If the argument is positive zero or negative zero, then the result is the same as the argument.";

    }

}

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

 *

 *   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 Equals extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "equals";

	}

	public void eval(BSFManager interpreter) throws BSFException {

//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"boolean equals(java.lang.Object value1,java.lang.Object value2){return value1.equals(value2);};");

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

				"def equals(value1,value2):\n" +

				"  return value1 == value2");

	}

	public boolean isEnable() {

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

	}

	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, "string_value") + "\n"+

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

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

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

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

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

        "Compares the parameter1 to the parameter2. The result is true if and only if the arguments are not null and represents the same object.";

    }

}

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

 *

 *   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.project.documents.table.AbstractOperator;

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

/**

 * @author Vicente Caballero Navarro

 */

public class Minus extends AbstractOperator{

	public String addText(String s) {

		return s.concat(toString());

	}

	public String toString() {

		return "-";

	}

	public void eval(BSFManager interpreter) throws BSFException {

	}

	public boolean isEnable() {

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

	}

	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 result of rest.";

    }

}

/**

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

 *

 * 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.cresques.cts.IProjection;

import org.gvsig.andami.PluginServices;

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;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontrol.MapControlLocator;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * @author Vicente Caballero Navarro

 */

public class Perimeter extends GraphicOperator {

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

    public String addText(String s) {

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

    }

    public double process(Feature feature) {

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

        geom = feature.getDefaultGeometry();

        MapContext mapContext = getLayer().getMapContext();

        IProjection proj = mapContext.getProjection();

        int distanceUnits = mapContext.getViewPort().getDistanceArea();

        return MapControlLocator.getMapControlManager().perimeter(geom, proj, distanceUnits);

    }

    public void eval(BSFManager interpreter) throws BSFException {

        interpreter.declareBean("jperimeter", this, Perimeter.class);

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

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

                + "  return jperimeter.process(featureContainer.getFeature())");

    }

    public String toString() {

        return "perimeter";

    }

    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().getDefaultGeometryAttribute().getGeomType().getType();

        } catch (DataException e) {

            logger.warn("Can't get geometry type for default geometry attribute of layer '"+getLayer().getName()+"'.",e);

        }

        GeometryManager geomManager = GeometryLocator.getGeometryManager();

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

            geomManager.isSubtype(org.gvsig.fmap.geom.Geometry.TYPES.CURVE, geomType) ||

            geomManager.isSubtype(org.gvsig.fmap.geom.Geometry.TYPES.MULTICURVE, geomType) ||

            geomManager.isSubtype(org.gvsig.fmap.geom.Geometry.TYPES.SURFACE, geomType) ||

            geomManager.isSubtype(org.gvsig.fmap.geom.Geometry.TYPES.MULTISURFACE, geomType) 

        );

    }

    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 perimeter of polygon or line geometry  of this row in the units of the view.";

    }

}

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

 *

 *   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,