Application: gvSIG desktop » gvSIG tools: Expression Field

#Fri Nov 25 02:33:34 CET 2022

buildNumber=2293

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.

-->

<assembly>

  <id>gvsig-plugin-package</id>

  <formats>

    <format>zip</format>

  </formats>

  <baseDirectory>${project.artifactId}</baseDirectory>

  <includeBaseDirectory>true</includeBaseDirectory>

  <files>

    <file>

      <source>target/${project.artifactId}-${project.version}.jar</source>

      <outputDirectory>lib</outputDirectory>

    </file>

    <file>

      <source>target/package.info</source>

    </file>

  </files>

  <fileSets>

    <fileSet>

      <directory>src/main/resources-plugin</directory>

      <outputDirectory>.</outputDirectory>

    </fileSet>

  </fileSets>

  <dependencySets>

    <dependencySet>

      <useProjectArtifact>false</useProjectArtifact>

      <useTransitiveDependencies>false</useTransitiveDependencies>

      <outputDirectory>lib</outputDirectory>

      <includes>

        <include>bsf:bsf</include>

        <include>org.python:jython</include>

        <include>com.fifesoft:rsyntaxtextarea</include>

      </includes>

    </dependencySet>

  </dependencySets>

</assembly>

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

 *

 *   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.expressionfield.ExpressionFieldExtension;

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

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

public abstract class AbstractField extends AbstractOperator{

	private boolean isEval=false;

	public Object getValue(Feature feature, String nameField){

		if (feature != null)

			return feature.get(nameField);

		return null;

	}

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

//		try {

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

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

//			if (value instanceof NumericValue) {

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

//				return new Double(dv);

//			}else if (value instanceof DateValue) {

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

//				return date;

//			}else if (value instanceof BooleanValue){

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

//				return new Boolean(b);

//			}else {

//				return value.toString();

//			}

//		} catch (ReadDriverException e) {

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

//		}

//	}

	public void eval(BSFManager interpreter) throws BSFException {

		if (!isEval){

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

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

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

		isEval=true;

		}

	}

}

/**

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

 *

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License as published by the Free Software

 * Foundation; either version 3 of the License, or (at your option) any later

 * version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more

 * details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program; if not, write to the Free Software Foundation, Inc., 51

 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 *

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

 * gvsig.com, or visit our website www.gvsig.com.

 *

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

 */

package org.gvsig.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.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.FeatureStore;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontrol.MapControlLocator;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class Area extends GraphicOperator {

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

    @Override

    public String addText(String s) {

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

    }

    @Override

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

        org.gvsig.fmap.geom.Geometry geom;

        geom = feature.getDefaultGeometry();

        MapContext mapContext = getLayer().getMapContext();

        IProjection proj = mapContext.getProjection();

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

        return MapControlLocator.getMapControlManager().area(geom, proj, areaUnits);

    }

    @Override

    public void eval(BSFManager interpreter) throws BSFException {

        interpreter.declareBean("jarea", this, Area.class);

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

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

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

    }

    @Override

    public String toString() {

        return "area";

    }

    @Override

    public boolean isEnable() {

        if (getLayer() == null) {

            return false;

        }

        FeatureStore store;

        int geomType = Geometry.TYPES.POINT;

        try {

            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(Geometry.TYPES.SURFACE, geomType) ||

            geomManager.isSubtype(Geometry.TYPES.MULTISURFACE, geomType) 

        );

    }

    @Override

    public String getTooltip() {

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

    }

    @Override

    public String getDescription() {

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

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

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

                + "Returns the area of polygon 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,

 *   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 Pi extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "pi";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

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

	}

	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 pi, the ratio of the circumference of a circle to its diameter.";

    }

}

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

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 gvSIG Association.

 *  

 *   This program is free software; you can redistribute it and/or

 *   modify it under the terms of the GNU General Public License

 *   as published by the Free Software Foundation; either version 3

 *   of the License, or (at your option) any later version.

 *  

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU General Public License for more details.

 *  

 *   You should have received a copy of the GNU General Public License

 *   along with this program; if not, write to the Free Software

 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 *   MA  02110-1301, USA.

 *  

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

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

 *   

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

package org.gvsig.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

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

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

/**

 * @author Vicente Caballero Navarro

 */

public class SetTimeDate extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "setTimeDate";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

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

				"def setTimeDate(value):\n"+

				"  aux = jDate()\n"+

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

				"  return aux");

	}

	public boolean isEnable() {

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

	}

	public String getDescription() {

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

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

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

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

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

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

    }

}

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

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 gvSIG Association.

 *  

 *   This program is free software; you can redistribute it and/or

 *   modify it under the terms of the GNU General Public License

 *   as published by the Free Software Foundation; either version 3

 *   of the License, or (at your option) any later version.

 *  

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU General Public License for more details.

 *  

 *   You should have received a copy of the GNU General Public License

 *   along with this program; if not, write to the Free Software

 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 *   MA  02110-1301, USA.

 *  

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

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

 *   

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

package org.gvsig.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

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

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

/**

 * @author Vicente Caballero Navarro

 */

public class ToString extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "toString";

	}

	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,"def toString(value):\n" +

				"  return str(value)");

	}

	public boolean isEnable() {

		return (getType()==IOperator.NUMBER);// || getType()==IOperator.DATE);

	}

	public String getDescription() {

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

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

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

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

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

	    "Returns the string representation of the Object 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 StartsWith extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "startsWith";

	}

	public void eval(BSFManager interpreter) throws BSFException {

//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"boolean startsWith(String value1,String value2){return value1.startsWith(value2);};");

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

				" return value1.startswith(value2)");

	}

	public boolean isEnable() {

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

	}

	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") + ": " +

        "Tests if this parameter1 starts with the specified parameter2.";

    }

}

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

 *

 *   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 Ceil extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "ceil";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.ceil(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 smallest (closest to negative infinity) double value that is not less 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" +

        "* If the argument value is less than zero but greater than -1.0, then the result is negative zero.\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 MoreThan 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.NUMBER);

	}

	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 more 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.

 *   

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

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 MoreEquals 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.NUMBER);

	}

	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 more or 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.

 *   

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

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 ToDate extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "toDate";

	}

	public void eval(BSFManager interpreter) throws BSFException {

//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"java.util.Date toDate(String value){return new java.text.SimpleDateFormat().parse(value);};");

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

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

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

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

				"myDateFormat = SimpleDateFormat()\n" +

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

				"  if format != None:\n"+

				"    myDateFormat.applyPattern(format)\n"+

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

				"  return dateFormat.parse(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") + "1: " +

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

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

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

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

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

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

	    "Returns a date object from string parameter formatted according to\nthe 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.ExpressionFieldExtension;

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

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

/**

 * @author Vicente Caballero Navarro

 */

public class Random extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "random";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  import java.lang.Math\n" +

				"  return java.lang.Math.random()");

	}

	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 a double value with a positive sign, greater than or equal to 0.0 and less than 1.0. Returned values are chosen pseudorandomly with (approximately) uniform distribution from that range.";

    }

}

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

 *

 *   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 Distinct 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 objects are diferents.";

    }

}

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

 *

 *   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 Length extends AbstractOperator{

	public String addText(String s) {

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

	}

	public String toString() {

		return "length";

	}

	public void eval(BSFManager interpreter) throws BSFException {

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

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

				"  return len(value)");

	}

	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, "numeric_value") + "\n" +

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

	    "Returns the length of string parameter.";

	}

}

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

 *

 *   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 LessEquals 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.NUMBER);

	}

	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 less or 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.

 *   

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

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 LessThan 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.NUMBER);

	}

	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 less 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.

 *   

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

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";