it.cilea.osd.jdyna.widget.WidgetNumero.java Source code

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Here is the source code for it.cilea.osd.jdyna.widget.WidgetNumero.java

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/*
 * JDynA, Dynamic Metadata Management for Java Domain Object
 * 
 *  Copyright (c) 2008, CILEA and third-party contributors as
 *  indicated by the @author tags or express copyright attribution
 *  statements applied by the authors.  All third-party contributions are
 *  distributed under license by CILEA.
 * 
 *  This copyrighted material is made available to anyone wishing to use, modify,
 *  copy, or redistribute it subject to the terms and conditions of the GNU
 *  Lesser General Public License v3 or any later version, as published 
 *  by the Free Software Foundation, Inc. <http://fsf.org/>.
 * 
 *  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 Lesser General Public License
 *  for more details.
 * 
 *   You should have received a copy of the GNU Lesser General Public License
 *   along with this distribution; if not, write to:
 *   Free Software Foundation, Inc.
 *   51 Franklin Street, Fifth Floor
 *   Boston, MA  02110-1301  USA
 */
package it.cilea.osd.jdyna.widget;

import it.cilea.osd.jdyna.model.AValue;
import it.cilea.osd.jdyna.model.AWidget;
import it.cilea.osd.jdyna.service.IPersistenceDynaService;
import it.cilea.osd.jdyna.util.ValidationMessage;
import it.cilea.osd.jdyna.value.NumberValue;

import java.beans.PropertyEditor;
import java.text.DecimalFormat;
import java.text.NumberFormat;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;

import org.springframework.beans.propertyeditors.CustomNumberEditor;

/**
 * Widget to manage double value
 * 
 * @author biondo,pascarelli
 * 
 */
@Entity
@Table(name = "jdyna_widget_number")
@NamedQueries({ @NamedQuery(name = "WidgetNumero.findAll", query = "from WidgetNumero order by id") })
public class WidgetNumero extends AWidget {

    /** valore minimo del numero */
    private Double min;

    /** valore massimo */
    private Double max;

    /** numero di cifre decimali*/
    private int precisionDef;

    /** size of input box */
    @Column(name = "widgetSize")
    private int size = 20;

    public int getSize() {
        return size;
    }

    public void setSize(int size) {
        this.size = size;
    }

    @Override
    public PropertyEditor getPropertyEditor(IPersistenceDynaService applicationService) {
        String decimali = "";
        for (int i = 0; i < precisionDef; i++) {
            decimali += "0";
        }
        String pattern = "0" + (precisionDef > 0 ? "." + decimali : "");
        NumberFormat formatter = new DecimalFormat(pattern);

        CustomNumberEditor propertyEditor = new CustomNumberEditor(Double.class, formatter, true);
        return propertyEditor;
    }

    @Override
    public AValue getInstanceValore() {
        return new NumberValue();
    }

    @Override
    public Class<? extends AValue> getValoreClass() {
        return NumberValue.class;
    }

    @Override
    public String getTriview() {
        return "numero";
    }

    //    public Object toObject(String valore)
    //    {
    //        return Double.parseDouble(valore);
    //    }
    //   
    @Deprecated
    public String getConfiguration() {
        return "min:" + min + ";max:" + max + ";decimali:" + precisionDef;
    }

    public int getPrecisionDef() {
        return precisionDef;
    }

    public void setPrecisionDef(int cifreDecimali) {
        this.precisionDef = cifreDecimali;
    }

    public Double getMax() {
        return max;
    }

    public void setMax(Double max) {
        this.max = max;
    }

    public Double getMin() {
        return min;
    }

    public void setMin(Double min) {
        this.min = min;
    }

    @Override
    public ValidationMessage valida(Object valore) {
        if (valore == null) {
            return null;
        }
        Double num = (Double) valore;
        if (min != null && num < min) {
            return new ValidationMessage("numero.mustbegt", new Object[] { min });
        }
        if (max != null && num > max) {
            return new ValidationMessage("numero.mustbelt", new Object[] { max });
        }
        return null;
    }
}