teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5861:  * This file is Free Software under the GNU AGPL (>=v3) 
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5861:  * documentation coming with Dive4Elements River for details. 
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.shared.model;
raimund@1461: 
christian@3859: import com.google.gwt.core.client.GWT;
christian@3859: import com.google.gwt.i18n.client.NumberFormat;
christian@3859: 
raimund@1503: import java.util.HashMap;
raimund@1503: 
raimund@1461: /**
raimund@1461:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
raimund@1461:  */
raimund@1461: public class DoubleProperty extends PropertySetting {
raimund@1461: 
raimund@1503:     /**
raimund@1503:      * Create a new DoubleProperty for settings.
raimund@1503:      */
raimund@1503:     public DoubleProperty() {
raimund@1503:         this.attributes = new HashMap<String, String>();
raimund@1503:     }
raimund@1503: 
raimund@1503: 
raimund@1503:     /**
raimund@1503:      * Create a new DoubleProperty.
raimund@1503:      * @param name The attribute name.
raimund@1503:      * @param value The current value.
raimund@1503:      */
raimund@1503:     public DoubleProperty(
raimund@1503:         String name,
raimund@1507:         Double value)
raimund@1503:     {
raimund@1503:         this.name = name;
raimund@1507:         this.value = value.toString();
raimund@1503:         this.attributes = new HashMap<String, String>();
raimund@1503:     }
raimund@1503: 
raimund@1507:     @Override
raimund@1507:     public Double getValue() {
raimund@1507:         try {
sascha@3368:             Double value = Double.valueOf(this.value);
sascha@3368:             GWT.log("returning: " + value);
sascha@3368:             return value;
raimund@1507:         }
raimund@1507:         catch(NumberFormatException nfe) {
raimund@1507:             //Should never happen, if property is used correctly.
raimund@1507:             return null;
raimund@1507:         }
raimund@1507:     }
raimund@1507: 
raimund@1507: 
raimund@1507:     public void setValueFromUI(String value) {
raimund@1507:         NumberFormat nf = NumberFormat.getDecimalFormat();
raimund@1507:         double d;
raimund@1507:         try {
raimund@1507:             d = nf.parse(value);
raimund@1507:             GWT.log("setting " + value + " as " + d);
raimund@1507:             this.value = Double.toString(d);
raimund@1507:         }
raimund@1507:         catch(NumberFormatException nfe) {}
raimund@1507:     }
raimund@1507: 
raimund@1507:     public void setValue(Double value) {
raimund@1507:         this.value = value.toString();
raimund@1507:     }
raimund@1507: 
raimund@1507: 
raimund@1507:     public String toUIString() {
raimund@1507:         double dv;
raimund@1507:         NumberFormat nf = NumberFormat.getDecimalFormat();
raimund@1507:         try {
sascha@3368:             dv = Double.parseDouble(this.value);
raimund@1507:         }
raimund@1507:         catch (NumberFormatException nfe) {
raimund@1507:             return null;
raimund@1507:         }
raimund@1507:         return nf.format(dv);
raimund@1507:     }
raimund@1503: 
christian@3859:     @Override
raimund@1503:     public Object clone() {
raimund@1503:         DoubleProperty clone = new DoubleProperty(this.getName(),
raimund@1507:                                                   this.getValue());
raimund@1503:         for(String s: this.getAttributeList()) {
raimund@1503:             clone.setAttribute(s, this.getAttribute(s));
raimund@1503:         }
raimund@1503:         return clone;
raimund@1503:     }
raimund@1461: }