Application: gvSIG desktop » gvSIG tools: Expression Field

#Mon Aug 28 17:19:17 CEST 2023

buildNumber=2314

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.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.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 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.

 *   

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

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.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;

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

/**

 * @author Vicente Caballero Navarro

 */

public class PointX extends GraphicOperator{

	public String addText(String s) {

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

	}

	public double process(Feature feature){

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

        geom = feature.getDefaultGeometry();

//		ArrayList parts=getXY(geom);

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

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

        Point p = PointY.getFirstPoint(geom);

        if( p==null ) {

            return 0;

        }

        return p.getY();

	}

	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 ToDegrees extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "toDegrees";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

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

	}

	public boolean isEnable() {

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

	}

	public String getDescription() {

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

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

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

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

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

	    "Converts an angle measured in radians to an approximately equivalent angle measured in degrees.\n" +

	    "The conversion from radians to degrees is generally inexact; users should not expect cos(toRadians(90.0)) to exactly equal 0.0.";

	}

}

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

 *

 *   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 Tan extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "tan";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.tan(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 tangent 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 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.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 Cos extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "cos";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.cos(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 cosine of an angle. Special cases:\n" +

        "* If the argument is NaN or an infinity, 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 E extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "e";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.E");

	}

	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") + ": " +

        "The double value that is closer than any other to e, the base of the natural logarithms.";

    }

}

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

 *

 *   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 Round extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "round";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.round(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 closest long to the argument. The result is rounded to an integer by adding 1/2, taking the floor of the result, and casting the result to type long.";

    }

}

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

 *

 *   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 ToLowerCase extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "toLowerCase";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  return value.lower()");

	}

	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") + ": " +

	    "Converts all of the characters in this String to lower case using the rules of the default locale.";

	}

}

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

 *

 *   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.ExpressionFieldExtension;

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

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

/**

 * @author Vicente Caballero Navarro

 */

public class ToUpperCase extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "toUpperCase";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  return value.upper()");

	}

	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") + ": " +

	    "Converts all of the characters in this String to upper case using the rules of the given Locale.\n" +

	    "Case mappings rely heavily on the Unicode specification's character data.\n" +

	    "Since case mappings are not always 1:1 char mappings, the resulting String may be a different length than the original String.";

	}

}

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

 *

 *   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 fdiaz

 */

public class DateToString extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "dateToString";

	}

	public void eval(BSFManager interpreter) throws BSFException {

//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"String toString(java.lang.Object value){" +

//				"if (value instanceof java.util.Date)" +

//					"return ((java.util.Date)value).toString();" +

//				"return String.valueOf(value);};");

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

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

				"import java.text.DateFormat as DateFormat\n"+

				"import java.text.SimpleDateFormat as SimpleDateFormat\n" +

				"import java.text.NumberFormat as NumberFormat\n"+

				"dateFormat = DateFormat.getInstance()\n"+

				"myDateFormat = SimpleDateFormat()\n" +

				"def dateToString(value, format=None):\n" +

				"  if value == None:\n"+

				"    return None\n"+

				"  if value == '':\n"+

				"    return ''\n"+

				"  if isinstance(value,Date):\n"+

				"    if format != None:\n"+

				"      myDateFormat.applyPattern(format)\n"+

				"      return myDateFormat.format(value)\n"+

				"    else:\n"+

				"      return dateFormat.format(value)\n"+

				"  else:\n"+

				"    raise InputError\n"+

				"  return str(value)");

	}

	public boolean isEnable() {

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

	}

	public String getTooltip(){

		return PluginServices.getText(this,"operator")+":  "+toString()+"("+PluginServices.getText(this,"parameter")+"[,"+PluginServices.getText(this,"format")+"])"+"\n"+getDescription();

	}

	public String getDescription() {

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

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

		PluginServices.getText(this, "format") + " ("+PluginServices.getText(this, "optional")+"): " +

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

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

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

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

	    "Returns the string representation of the Object date parameter\n" +

	    "formatted according to the parameter format, if it is supplied.\n\n"+

	    "The format should follow the specifications of\n" +

	    "'http://java.sun.com/j2se/1.4.2/docs/api/java/text/SimpleDateFormat.html'.\n\n"+

	    "Examples: (for the date of December 23, 2008)\n"+

	    "  'dd/MM/yy'     23/12/08\n"+

	    "  'dd/MM/yyyy'   23/12/2008\n"+

	    "  'dd/MMM/yyyy'  23/dec/2008\n"+

	    "  'dd/MMMM/yyyy' 23/december/2008\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.project.documents.table.AbstractOperator;

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

/**

 * @author Vicente Caballero Navarro

 */

public class Equal extends AbstractOperator{

	public String addText(String s) {

		return s.concat(toString());

	}

	public void eval(BSFManager interpreter) throws BSFException {

	}

	public String toString() {

		return " == ";

	}

	public boolean isEnable() {

		return (getType()==IOperator.DATE || 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, "boolean_value") + "\n" +

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

        "Returns true if the first object value is equals than the second 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.

 *