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package org.nuiton.jaxx.widgets.gis;
/*
* #%L
* JAXX :: Widgets Gis
* %%
* Copyright (C) 2008 - 2014 CodeLutin
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import org.jdesktop.beans.AbstractSerializableBean;
import java.util.regex.Pattern;
/**
* Created on 9/2/14.
*
* @author Tony Chemit - [email protected]
* @since 2.12
*/
public class DdCoordinate extends AbstractSerializableBean {
private static final long serialVersionUID = 1L;
public static final String COORDINATE_STRING_PATTERN = "%s%s.%s";
public static final Pattern COORDINATE_PATTERN = Pattern.compile("(.*)\\.(.*)");
public static final String PROPERTY_SIGN = "sign";
public static final String PROPERTY_DEGREE = "degree";
public static final String PROPERTY_DECIMAL = "decimal";
protected boolean sign;
protected Integer degree;
protected Integer decimal;
public static DdCoordinate empty() {
DdCoordinate r = new DdCoordinate();
return r;
}
/**
* Methode statique de fabrique de position a partir d'un autre {@link DdCoordinate}.
*
* Note : Si la valeur vaut null, alors on
* reinitialise les composants de la position a null et la
* methode {@link #isNull()} vaudra alors {@code true}.
*
* @param decimal la valeur au format decimal
* @return une nouvelle instance de position convertie
*/
public static DdCoordinate valueOf(DdCoordinate decimal) {
DdCoordinate r = empty();
if (decimal != null) {
r.setSign(decimal.isSign());
r.setDegree(decimal.getDegree());
r.setDecimal(decimal.getDecimal());
}
return r;
}
/**
* Methode statique de fabrique de position a partir d'une valeur du format
* decimal.
*
* Note : Si la valeur (au format decimal) vaut null, alors on
* reinitialise les composants de la position a null et la
* methode {@link #isNull()} vaudra alors {@code true}.
*
* @param decimal la valeur au format decimal
* @return une nouvelle instance de position convertie
*/
public static DdCoordinate valueOf(Float decimal) {
DdCoordinate r = new DdCoordinate();
r.fromDecimal(decimal);
return r;
}
/**
* Methode statique de fabrique de position a partir d'une valeur du format
* degre décimale.
*
* @param d la valeur des degres
* @param dc la valeur des décimales de minutes
* @return une nouvelle instance de position convertie
*/
public static DdCoordinate valueOf(boolean sign,
Integer d,
Integer dc) {
DdCoordinate r = new DdCoordinate();
r.setSign(sign);
r.setDegree(d);
r.setDecimal(dc);
return r;
}
public boolean isSign() {
return sign;
}
public Integer getDegree() {
return degree;
}
public Integer getDecimal() {
return decimal;
}
public void setSign(boolean sign) {
Object oldValue = isSign();
this.sign = sign;
firePropertyChange(PROPERTY_SIGN, oldValue, sign);
}
public void setDegree(Integer degree) {
Object oldValue = getDegree();
this.degree = degree;
firePropertyChange(PROPERTY_DEGREE, oldValue, degree);
}
public void setDecimal(Integer decimal) {
Object oldValue = getDecimal();
this.decimal = decimal;
firePropertyChange(PROPERTY_DECIMAL, oldValue, decimal);
}
/**
* @return {@code true} si aucune composante n'est renseignée,
* {@code false} autrement.
*/
public boolean isNull() {
return degree == null && decimal == null;
}
public boolean isDegreeNull() {
return degree == null || degree == 0;
}
public boolean isDecimalNull() {
return decimal == null || decimal == 0;
}
/**
* Mets a jour les composants de la position a partir d'une valeur decimal.
*
* Note : Si la valeur (au format decimal) vaut null, alors on
* reinitialise les composants de la position a null et la
* methode {@link #isNull()} vaudra alors {@code true}.
*
* @param decimalValue la valeur decimale a convertir (qui peut etre nulle).
*/
public void fromDecimal(Float decimalValue) {
Integer d = null;
Integer dc = null;
boolean si = false;
if (decimalValue != null) {
si = decimalValue < 0;
float absDecimal = Math.abs(decimalValue);
d = (int) (Math.round(absDecimal + 0.5) - 1);
dc = Math.round(1000 * (absDecimal - d));
}
degree = d;
decimal = dc;
sign = si;
if (decimal != null) {
removeTrailingZero();
}
}
public Float toDecimal() {
if (isNull()) {
return null;
}
Integer d = getNotNullDegree();
Integer dc = getNotNullDecimal();
Float result = Float.valueOf(d);
result += dc / 1000f;
if (sign) {
result *= -1;
}
result = CoordinateHelper.roundToFourDecimals(result);
return result;
}
public void addTrailingZero() {
if (degree == null) {
degree = 0;
}
if (decimal == null) {
decimal = 0;
}
}
public void removeTrailingZero() {
if (degree != null && degree == 0) {
degree = null;
}
if (decimal != null && decimal == 0) {
decimal = null;
}
}
public Integer getSignedDegree() {
Integer result = null;
if (!isDegreeNull()) {
result = degree;
if (isSign()) {
result *= -1;
}
}
return result;
}
public int getNotNullDegree() {
return isDegreeNull() ? 0 : degree;
}
public int getNotNullDecimal() {
return isDecimalNull() ? 0 : decimal;
}
public boolean isLatitudeDegreeValid() {
boolean result = isDegreeValid(false);
return result;
}
public boolean isLongitudeDegreeValid() {
boolean result = isDegreeValid(true);
return result;
}
public boolean isDecimalValid() {
boolean result = isDecimalNull() || (0 <= decimal && decimal < 1000);
return result;
}
@Override
public String toString() {
return "DdCoordinateComponent{" +
"sign=" + sign +
", degree=" + degree +
", decimal=" + decimal +
'}';
}
public void reset() {
degree = null;
degree = null;
}
protected boolean isDegreeValid(boolean longitude) {
boolean result = true;
if (!isDegreeNull()) {
int bound = longitude ? 180 : 90;
if (bound == degree) {
// can not have decimal
result = isDecimalNull();
} else {
result = 0 <= degree && degree < bound;
}
}
return result;
}
}