/**

  * 2007, Digitalis Informatica. All rights reserved. Distribuicao e Gestao de Informatica, Lda. Estrada de Paco de Arcos

  * num.9 - Piso -1 2780-666 Paco de Arcos Telefone: (351) 21 4408990 Fax: (351) 21 4408999 http://www.digitalis.pt

  */

 package pt.digitalis.dif.dem.objects.parameters.constraints.impl.numeric;

 import java.text.DecimalFormat;

 import java.util.HashMap;

 import java.util.Map;

 import pt.digitalis.dif.dem.interfaces.IStageInstance;

 /**

  * Min parameter constraint implementation

  * 

  * @author Pedro Viegas <a href="mailto:pviegas@digitalis.pt">pviegas@digitalis.pt</a>

  * @created Nov 16, 2007

  */

 public class ParameterConstraintMinImpl extends AbstractNumericParameterConstraint {

     /** Last tested value */

     Double lastTestedValue;

     /** Min value to compare to */

     Double minValue;

     /**

      * @see pt.digitalis.dif.dem.objects.parameters.constraints.IParameterConstraint#configureConstraint(java.lang.String)

      */

     public void configureConstraint(String configurationString)

     {

         String value = configurationString.substring(configurationString.indexOf("=") + 1);

         minValue = new Double(value.trim());

     }

     /**

      * @see pt.digitalis.dif.dem.objects.parameters.constraints.AbstractParameterConstraint#getErrorMessageValues(boolean)

      */

     @Override

     protected Map<String, String> getErrorMessageValues(boolean parseValues)

     {

         Map<String, String> substitutions = new HashMap<String, String>();

         DecimalFormat df = new DecimalFormat("0");

         if (parseValues)

         {

             substitutions.put("value", df.format(lastTestedValue));

         }

         substitutions.put("min", df.format(minValue));

         return substitutions;

     }

     /**

      * @see pt.digitalis.dif.dem.objects.parameters.constraints.IParameterConstraint#getJavaScriptValidationCondition()

      */

     public String getJavaScriptValidationCondition()

     {

         return "parseInt(value) >= " + minValue;

     }

     /**

      * @see pt.digitalis.dif.dem.objects.parameters.constraints.impl.numeric.AbstractNumericParameterConstraint#validateConstraint(java.lang.Double,

      *      pt.digitalis.dif.dem.interfaces.IStageInstance)

      */

     @Override

     public boolean validateConstraint(Double value, IStageInstance stageInstance)

     {

         lastTestedValue = value;

         return (value != null && value >= minValue);

     }

 }