| 1 |
package skrueger.i8n; |
/******************************************************************************* |
| 2 |
|
* Copyright (c) 2009 Martin O. J. Schmitz. |
| 3 |
import java.beans.PropertyChangeEvent; |
* |
| 4 |
import java.beans.PropertyChangeListener; |
* This file is part of the SCHMITZM library - a collection of utility |
| 5 |
import java.util.ArrayList; |
* classes based on Java 1.6, focusing (not only) on Java Swing |
| 6 |
import java.util.HashMap; |
* and the Geotools library. |
| 7 |
import java.util.List; |
* |
| 8 |
import java.util.Locale; |
* The SCHMITZM project is hosted at: |
| 9 |
|
* http://wald.intevation.org/projects/schmitzm/ |
| 10 |
import javax.swing.JComponent; |
* |
| 11 |
|
* This program is free software; you can redistribute it and/or |
| 12 |
import org.apache.log4j.Logger; |
* modify it under the terms of the GNU Lesser General Public License |
| 13 |
|
* as published by the Free Software Foundation; either version 3 |
| 14 |
/** |
* of the License, or (at your option) any later version. |
| 15 |
* Represents a {@link HashMap} of translations. toString() returns the |
* |
| 16 |
* appropriate translation |
* This program is distributed in the hope that it will be useful, |
| 17 |
* |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 |
* @author @author <a href="mailto:[email protected]">Stefan Alfons |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 |
* Krüger</a> |
* GNU General Public License for more details. |
| 20 |
*/ |
* |
| 21 |
|
* You should have received a copy of the GNU Lesser General Public License (license.txt) |
| 22 |
public class Translation extends HashMap<String, String> { |
* along with this program; if not, write to the Free Software |
| 23 |
public static final String LOCALECHANGE_PROPERTY = "localechange"; |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 24 |
public static final String NO_TRANSLATION = "NO TRANSLATION"; |
* or try this link: http://www.gnu.org/licenses/lgpl.html |
| 25 |
public static final String DEFAULT_KEY = "default"; |
* |
| 26 |
static final Logger log = Logger.getLogger(Translation.class); |
* Contributors: |
| 27 |
static String activeLang = "fr"; |
* Martin O. J. Schmitz - initial API and implementation |
| 28 |
|
* Stefan A. Tzeggai - additional utility classes |
| 29 |
static protected List<PropertyChangeListener> listeners = new ArrayList<PropertyChangeListener>(); |
******************************************************************************/ |
| 30 |
|
package skrueger.i8n; |
| 31 |
static { |
|
| 32 |
|
import java.awt.event.ActionEvent; |
| 33 |
// TODO default aus Locale auslesen und mit möglichen vergleichen... |
import java.awt.event.ActionListener; |
| 34 |
// mmm.. vor laden von atlasml immer DEFAULT_KEY, also hier nicht |
import java.beans.PropertyChangeEvent; |
| 35 |
|
import java.beans.PropertyChangeListener; |
| 36 |
// Get default locale |
import java.io.Serializable; |
| 37 |
Locale locale = Locale.getDefault(); |
import java.util.ArrayList; |
| 38 |
setActiveLang(locale.getLanguage()); |
import java.util.HashMap; |
| 39 |
} |
import java.util.Iterator; |
| 40 |
|
import java.util.List; |
| 41 |
@Override |
import java.util.Locale; |
| 42 |
/* |
import java.util.Random; |
| 43 |
* @comment To make a copy of a translation see methods toOneLine() and |
import java.util.Set; |
| 44 |
* fromOneLine() |
import java.util.WeakHashMap; |
| 45 |
*/ |
|
| 46 |
public Translation clone() { |
import javax.swing.JComponent; |
| 47 |
return (Translation) super.clone(); |
|
| 48 |
} |
import org.apache.log4j.Logger; |
| 49 |
|
import org.geotools.util.WeakHashSet; |
| 50 |
/** |
import org.opengis.util.InternationalString; |
| 51 |
* Get the two-letter language sting that is active |
|
| 52 |
*/ |
import schmitzm.lang.ResourceProvider; |
| 53 |
public static String getActiveLang() { |
import schmitzm.lang.SortableVector; |
| 54 |
return activeLang; |
import skrueger.geotools.Copyable; |
| 55 |
} |
|
| 56 |
|
/** |
| 57 |
/** |
* Represents a {@link HashMap} of translations. toString() returns the |
| 58 |
* Set up the {@link Translation}-system to use language. If a change is |
* appropriate translation. This class is mutable. |
| 59 |
* performed, events are fired to listeners. Nothing is done if the new |
* |
| 60 |
* language equals the old language. |
* @author <a href="mailto:[email protected]">Stefan Alfons Tzeggai</a> |
| 61 |
* |
*/ |
| 62 |
* @param newLang |
|
| 63 |
* The ISO Code of the new active language |
public class Translation extends HashMap<String, String> implements |
| 64 |
*/ |
Copyable<Translation>, Serializable, Cloneable { |
| 65 |
public static void setActiveLang(String newLang) { |
|
| 66 |
if (getActiveLang().equals(newLang)) { |
private static final long serialVersionUID = -347702744122305245L; |
| 67 |
return; |
|
| 68 |
} |
public static final String LOCALE_CHANGE_PROPERTY = "localechange"; |
| 69 |
|
public static final String ACTIVELANG_CHANGE_PROPERTY = "activelangchange"; |
| 70 |
if (!I8NUtil.isValidISOLangCode(newLang)) { |
public static final String NO_TRANSLATION = "NO TRANSLATION"; |
| 71 |
throw new IllegalArgumentException("'" + newLang |
public static final String DEFAULT_KEY = "default"; |
| 72 |
+ "' is not a valid ISO language code."); |
static final Logger LOGGER = Logger.getLogger(Translation.class); |
| 73 |
} |
|
| 74 |
|
/** A static field defining which language should be served **/ |
| 75 |
Locale newLocale = new Locale(newLang); |
static String activeLang = Locale.getDefault().getLanguage(); |
| 76 |
Locale.setDefault(newLocale); |
|
| 77 |
|
/** |
| 78 |
/** |
* A {@link WeakHashSet} of {@link PropertyChangeListener} that will be |
| 79 |
* Setting default locale for Swing JComponents to work around bug |
* informed if the acitveLang has been changed with a setActiveLang(..,true |
| 80 |
* http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4884480 |
* or false). |
| 81 |
*/ |
*/ |
| 82 |
JComponent.setDefaultLocale(newLocale); |
static protected WeakHashSet<PropertyChangeListener> listenersActiveLangChange = new WeakHashSet<PropertyChangeListener>( |
| 83 |
|
PropertyChangeListener.class); |
| 84 |
Translation.activeLang = newLang; |
|
| 85 |
|
/** |
| 86 |
fireChangeEvents(); |
* A {@link WeakHashSet} of {@link PropertyChangeListener} that will be |
| 87 |
|
* informed if the Locale has been changed due to a setActiveLang(..,true) |
| 88 |
log.info("skrueger.i8n.Translation switched ActiveLang to " + newLang); |
*/ |
| 89 |
} |
static protected WeakHashSet<PropertyChangeListener> listenersLocaleChange = new WeakHashSet<PropertyChangeListener>( |
| 90 |
|
PropertyChangeListener.class); |
| 91 |
/** |
|
| 92 |
* Initializes a new {@link Translation} with a default translation. Other |
/** |
| 93 |
* translations may be added later. |
* A {@link WeakHashSet} of {@link PropertyChangeListener} that will be |
| 94 |
* |
* informed if any of the translations changed. TODO: Should be registerable |
| 95 |
* @param defaultTranslation |
* for specific languages |
| 96 |
* |
*/ |
| 97 |
* @deprecated SK: The concept of the default translation doesn't seem so |
private final WeakHashSet<ActionListener> changeListeners = new WeakHashSet<ActionListener>( |
| 98 |
* nice to me anymore.. I would prefer the default translation |
ActionListener.class); |
| 99 |
* to be set for all valid languages. |
|
| 100 |
* |
static { |
| 101 |
* @see public Translation(List<String> languages, String |
// Get default locale |
| 102 |
* defaultTranslation) { |
Locale locale = Locale.getDefault(); |
| 103 |
* |
setActiveLang(locale.getLanguage()); |
| 104 |
*/ |
} |
| 105 |
public Translation(String defaultTranslation) { |
|
| 106 |
put(DEFAULT_KEY, defaultTranslation); |
@Override |
| 107 |
} |
/** |
| 108 |
|
* implemented using #toOneLine and #fromOneLine |
| 109 |
/** |
*/ |
| 110 |
* Initializes a new {@link Translation}, an uses the given String to |
public Translation clone() { |
| 111 |
* initialize the {@link Translation} for all languages codes passed. |
Translation clone = new Translation(); |
| 112 |
* |
clone.fromOneLine(toOneLine()); |
| 113 |
* The translations can be changed later |
return clone; |
| 114 |
*/ |
} |
| 115 |
public Translation(List<String> languages, String defaultTranslation) { |
|
| 116 |
// put(DEFAULT_KEY, defaultTranslation); |
/** |
| 117 |
if (languages == null) { |
* Get the two-letter language sting that is active |
| 118 |
put(DEFAULT_KEY, defaultTranslation); |
*/ |
| 119 |
} else |
public static String getActiveLang() { |
| 120 |
for (String code : languages) { |
return activeLang; |
| 121 |
if (code.equals(getActiveLang())) { |
} |
| 122 |
put(code, defaultTranslation); |
|
| 123 |
} |
/** |
| 124 |
} |
* Set up the {@link Translation}-system to use language. If a change is |
| 125 |
} |
* performed, events are fired to listeners. Nothing is done if the new |
| 126 |
|
* language equals the old language. The system's default {@link Locale} is |
| 127 |
/** |
* changed. |
| 128 |
* Sometimes Translations are optional, like for keywords. |
* |
| 129 |
*/ |
* @param newLang |
| 130 |
public Translation() { |
* The ISO Code of the new active language |
| 131 |
super(); |
*/ |
| 132 |
} |
public static void setActiveLang(String newLang) { |
| 133 |
|
setActiveLang(newLang, true); |
| 134 |
/** |
} |
| 135 |
* Fills the {@link Translation} with the values coded into the String |
|
| 136 |
* Format of {@link String} is: "de{Baum}en{tree}" |
/** |
| 137 |
* <p> |
* Set up the {@link Translation}-system to use language. If a change is |
| 138 |
* <ul> |
* performed, events are fired to listeners. Nothing is done if the new |
| 139 |
* <li>If <code>oneLineCoded</code> is empty or null, NO TRANSLATION is set. |
* language equals the old language. |
| 140 |
* <li>If format can't be recognized, the {@link String} is interpreted as |
* |
| 141 |
* the translation in the <code>{@value #DEFAULT_KEY}</code> language |
* @param newLang |
| 142 |
* |
* The ISO Code of the new active language |
| 143 |
* @author Stefan Alfons Krüger |
* |
| 144 |
*/ |
* @param setDefaultLocale |
| 145 |
public void fromOneLine(final String oneLineCoded) { |
* Shall the system's default locale be changed? |
| 146 |
clear(); |
*/ |
| 147 |
if ((oneLineCoded == null) || (oneLineCoded.equals(""))) { |
public static void setActiveLang(String newLang, boolean setDefaultLocale) { |
| 148 |
put(DEFAULT_KEY, NO_TRANSLATION); |
if (getActiveLang().equals(newLang)) { |
| 149 |
return; |
return; |
| 150 |
} |
} |
| 151 |
|
|
| 152 |
if (oneLineCoded.indexOf("}") == -1) { |
if (!I8NUtil.isValidISOLangCode(newLang)) { |
| 153 |
// log.warn("The String '"+oneLineCoded+"' is not in oneLine coded => put(DEFAULT_KEY,oneLineCoded);"); |
|
| 154 |
put(DEFAULT_KEY, oneLineCoded); |
if (!I8NUtil.isPropertiesLanguage(newLang)) { |
| 155 |
} |
throw new IllegalArgumentException( |
| 156 |
|
"'" |
| 157 |
String eatUp = oneLineCoded; |
+ newLang |
| 158 |
while (eatUp.indexOf("}") != -1) { |
+ "' is not a valid ISO language code, nor is it a valid userdefined Properties code."); |
| 159 |
String substring = eatUp.substring(0, eatUp.indexOf("}")); |
} |
| 160 |
|
|
| 161 |
// log.debug("substring = "+substring); |
} |
| 162 |
String key = substring.substring(0, substring.indexOf("{")); |
|
| 163 |
String value = substring.substring(substring.indexOf("{") + 1, |
Translation.activeLang = newLang; |
| 164 |
substring.length()); |
fireActiveLangChangeEvents(); |
| 165 |
// log.debug("key="+key); |
|
| 166 |
// log.debug("value="+value); |
Locale newLocale = new Locale(newLang); |
| 167 |
put(key, value); |
if (setDefaultLocale) { |
| 168 |
eatUp = eatUp.substring(eatUp.indexOf("}") + 1); |
|
| 169 |
} |
setDefaultLocale(newLocale); |
| 170 |
} |
|
| 171 |
|
LOGGER.info(Translation.class.getName() |
| 172 |
/** |
+ " switched ActiveLang and Locale to " + newLang); |
| 173 |
* Exports the Translations to a String of the Format: "de{Baum}en{tree}" |
} else { |
| 174 |
* |
LOGGER.info(Translation.class.getName() |
| 175 |
* @author Stefan Alfons Krüger |
+ " switched ActiveLang to " + newLang); |
| 176 |
*/ |
} |
| 177 |
public String toOneLine() { |
|
| 178 |
StringBuffer oneLine = new StringBuffer(); |
} |
| 179 |
for (String key : keySet()) { |
|
| 180 |
oneLine.append(key + "{" + get(key) + "}"); |
/** |
| 181 |
} |
* Initializes a new {@link Translation} with a default translation if a |
| 182 |
return oneLine.toString(); |
* simple text is passed. If a "oneLine" text is parsed, it is interpreted. |
| 183 |
} |
* Other translations may be added later - this is a HashMap<br/> |
| 184 |
|
* |
| 185 |
/** |
* @param defaultTranslation |
| 186 |
* Returns the right translation by using the {@link #activeLang} field. If |
* |
| 187 |
* no translation is set, an ugly String {@link #NO_TRANSLATION} will re |
* @see public Translation(List<String> languages, String |
| 188 |
* returned. This might be changed for the final release. If the correct |
* defaultTranslation) { |
| 189 |
* language was not found, any entry in the {@link Translation} |
* |
| 190 |
* {@link HashMap} will be returned, that contains more than an empty |
*/ |
| 191 |
* string. |
public Translation(String defaultTranslation) { |
| 192 |
*/ |
|
| 193 |
@Override |
fromOneLine(defaultTranslation); |
| 194 |
public String toString() { |
|
| 195 |
if (get(activeLang) != null) { |
} |
| 196 |
return get(activeLang); |
|
| 197 |
} |
/** |
| 198 |
// **************************************************************************** |
* Initializes a new {@link Translation}, an uses the given String to |
| 199 |
// MS: The ISDSS needs the concept of the default lang!! So I took the |
* initialize the {@link Translation} for all languages codes passed. The |
| 200 |
// following in again!! |
* translations can be changed later. This class is not immutable. |
| 201 |
// **************************************************************************** |
* |
| 202 |
// else return ""; |
* @param languages |
| 203 |
// //**************************************************************************** |
* if empty or null, the given default {@link Translation} till |
| 204 |
// // The following is commented out.. the concept of the default lang |
* be stored under a special key {@link #DEFAULT_KEY} |
| 205 |
// seems to be bad.... |
* |
| 206 |
// //**************************************************************************** |
* |
| 207 |
// MS: |
*/ |
| 208 |
else { |
public Translation(List<String> languages, String defaultTranslation) { |
| 209 |
if (get(DEFAULT_KEY) != null) { |
if (languages == null || languages.isEmpty()) { |
| 210 |
// log.debug("default lng returned, cuz the translation to "+activeLang+" was not found. Schmeiss raus martin, wenn du das mit der default trans geklärt hast."); |
put(DEFAULT_KEY, defaultTranslation); |
| 211 |
return get(DEFAULT_KEY); |
} else |
| 212 |
} |
for (String code : languages) { |
| 213 |
|
put(code, defaultTranslation); |
| 214 |
// log.debug("return first best <> '' "); |
} |
| 215 |
if (size() > 0) |
} |
| 216 |
for (String s : values()) { |
|
| 217 |
if ((s != null) && (s.trim().length() > 0)) |
/** |
| 218 |
return s; |
* Sometimes Translations are optional, like for keywords. |
| 219 |
} |
*/ |
| 220 |
} |
public Translation() { |
| 221 |
log.warn("No translation found!"); |
} |
| 222 |
return NO_TRANSLATION; |
|
| 223 |
} |
/** |
| 224 |
|
* Fills the {@link Translation} with the values coded into the String |
| 225 |
/** |
* Format of {@link String} is: "de{Baum}en{tree}" |
| 226 |
* Copy this {@link Translation} to another {@link Translation} e.g. for |
* <p> |
| 227 |
* editing |
* <ul> |
| 228 |
* |
* <li>If <code>oneLineCoded</code> is empty or null, NO TRANSLATION is set. |
| 229 |
* @return the destination {@link Translation} |
* <li>If format can't be recognized, the {@link String} is interpreted as |
| 230 |
*/ |
* the translation in the <code>{@value #DEFAULT_KEY}</code> language |
| 231 |
public Translation copy(Translation backup) { |
* |
| 232 |
if (backup == null) |
* @author Stefan Alfons Tzeggai |
| 233 |
throw new IllegalArgumentException( |
*/ |
| 234 |
"Target translation may not be null."); |
public void fromOneLine(final String oneLineCoded) { |
| 235 |
for (String s : keySet()) { |
|
| 236 |
backup.put(s, get(s)); |
clear(); |
| 237 |
} |
|
| 238 |
return backup; |
try { |
| 239 |
} |
|
| 240 |
|
if ((oneLineCoded == null) || (oneLineCoded.equals(""))) { |
| 241 |
/** |
put(DEFAULT_KEY, ""); |
| 242 |
* {@link PropertyChangeListener} can be registered to be informed when the |
return; |
| 243 |
* {@link Locale} changed. |
} |
| 244 |
* |
|
| 245 |
* @param propertyChangeListener |
if (oneLineCoded.indexOf("}") == -1) { |
| 246 |
*/ |
// log.warn("The String '"+oneLineCoded+"' is not in oneLine coded => put(DEFAULT_KEY,oneLineCoded);"); |
| 247 |
public static void addLocaleChangeListener( |
put(DEFAULT_KEY, oneLineCoded); |
| 248 |
PropertyChangeListener propertyChangeListener) { |
} |
| 249 |
listeners.add(propertyChangeListener); |
|
| 250 |
} |
String eatUp = oneLineCoded; |
| 251 |
|
while (eatUp.indexOf("}") != -1) { |
| 252 |
/** |
String substring = eatUp.substring(0, eatUp.indexOf("}")); |
| 253 |
* Informs all registered {@link PropertyChangeListener}s about a change of |
|
| 254 |
* the the {@link Locale}. |
// log.debug("substring = "+substring); |
| 255 |
*/ |
String key = substring.substring(0, substring.indexOf("{")); |
| 256 |
public static void fireChangeEvents() { |
String value = substring.substring(substring.indexOf("{") + 1, |
| 257 |
PropertyChangeEvent pce = new PropertyChangeEvent(new Translation( |
substring.length()); |
| 258 |
new ArrayList<String>(), "fakeSource"), LOCALECHANGE_PROPERTY, |
// log.debug("key="+key); |
| 259 |
null, getActiveLang()); |
// log.debug("value="+value); |
| 260 |
for (PropertyChangeListener pcl : listeners) { |
put(key, value); |
| 261 |
if (pcl != null) |
eatUp = eatUp.substring(eatUp.indexOf("}") + 1); |
| 262 |
pcl.propertyChange(pce); |
} |
| 263 |
} |
} catch (Exception e) { |
| 264 |
} |
LOGGER.warn("Error while reading the oneLineCode '" + oneLineCoded |
| 265 |
|
+ "'", e); |
| 266 |
|
LOGGER.warn("Translation will be empty!"); |
| 267 |
} |
} |
| 268 |
|
} |
| 269 |
|
|
| 270 |
|
/** |
| 271 |
|
* Exports the Translations to a String of the Format: "de{Baum}en{tree}" |
| 272 |
|
* |
| 273 |
|
* @author Stefan Alfons Tzeggai |
| 274 |
|
*/ |
| 275 |
|
public String toOneLine() { |
| 276 |
|
return I8NUtil.toOneLine(this); |
| 277 |
|
} |
| 278 |
|
|
| 279 |
|
/** |
| 280 |
|
* Returns the correct translation by using the {@link #activeLang} field. |
| 281 |
|
* If no translation is set, an ugly String {@link #NO_TRANSLATION} will re |
| 282 |
|
* returned. This might be changed for the final release. If the correct |
| 283 |
|
* language was not found, any entry in the {@link Translation} |
| 284 |
|
* {@link HashMap} will be returned, that contains more than an empty |
| 285 |
|
* string. |
| 286 |
|
*/ |
| 287 |
|
@Override |
| 288 |
|
public String toString() { |
| 289 |
|
final String string = get(activeLang); |
| 290 |
|
if (string != null) { |
| 291 |
|
return get(activeLang); |
| 292 |
|
} |
| 293 |
|
// **************************************************************************** |
| 294 |
|
// MS: The ISDSS needs the concept of the default lang!! So I took the |
| 295 |
|
// following in again!! |
| 296 |
|
// **************************************************************************** |
| 297 |
|
// else return ""; |
| 298 |
|
// //**************************************************************************** |
| 299 |
|
// // ST: The following is commented out.. the concept of the default |
| 300 |
|
// lang |
| 301 |
|
// seems to be bad.... |
| 302 |
|
// //**************************************************************************** |
| 303 |
|
// MS: |
| 304 |
|
else { |
| 305 |
|
if (get(DEFAULT_KEY) != null) { |
| 306 |
|
return get(DEFAULT_KEY); |
| 307 |
|
} |
| 308 |
|
|
| 309 |
|
// log.debug("return first best <> '' "); |
| 310 |
|
if (size() > 0) |
| 311 |
|
for (String s : values()) { |
| 312 |
|
if ((s != null) && (s.trim().length() > 0)) |
| 313 |
|
return s; |
| 314 |
|
} |
| 315 |
|
} |
| 316 |
|
// log.warn("No translation found!"); |
| 317 |
|
return NO_TRANSLATION; |
| 318 |
|
} |
| 319 |
|
|
| 320 |
|
/** |
| 321 |
|
* {@link PropertyChangeListener} can be registered to be informed when the |
| 322 |
|
* {@link Locale} changed.<br> |
| 323 |
|
* The listeners are kept in a {@link WeakHashMap}, so you have to keep a |
| 324 |
|
* reference to the listener or it will be removed! |
| 325 |
|
* |
| 326 |
|
* @param propertyChangeListener |
| 327 |
|
* A {@link PropertyChangeListener} that will be called when |
| 328 |
|
* {@link #setActiveLang(String)} changes the language. |
| 329 |
|
*/ |
| 330 |
|
public static void addLocaleChangeListener( |
| 331 |
|
PropertyChangeListener propertyChangeListener) { |
| 332 |
|
listenersLocaleChange.add(propertyChangeListener); |
| 333 |
|
} |
| 334 |
|
|
| 335 |
|
/** |
| 336 |
|
* {@link PropertyChangeListener} can be registered to be informed when the |
| 337 |
|
* {@link Locale} changed.<br> |
| 338 |
|
* The listeners are kept in a {@link WeakHashMap}, so you have to keep a |
| 339 |
|
* reference to the listener or it will be removed! |
| 340 |
|
* |
| 341 |
|
* @param propertyChangeListener |
| 342 |
|
* A {@link PropertyChangeListener} that will be called when |
| 343 |
|
* {@link #setActiveLang(String)} changes the language. |
| 344 |
|
*/ |
| 345 |
|
public static boolean removeLocaleChangeListener( |
| 346 |
|
PropertyChangeListener propertyChangeListener) { |
| 347 |
|
return listenersLocaleChange.remove(propertyChangeListener); |
| 348 |
|
} |
| 349 |
|
|
| 350 |
|
/** |
| 351 |
|
* {@link PropertyChangeListener} can be registered to be informed when the |
| 352 |
|
* {@link Locale} changed.<br> |
| 353 |
|
* The listeners are kept in a {@link WeakHashMap}, so you have to keep a |
| 354 |
|
* reference to the listener or it will be removed! |
| 355 |
|
* |
| 356 |
|
* @param propertyChangeListener |
| 357 |
|
* A {@link PropertyChangeListener} that will be called when |
| 358 |
|
* {@link #setActiveLang(String)} changes the language. |
| 359 |
|
*/ |
| 360 |
|
public static void addActiveLangChangeListener( |
| 361 |
|
PropertyChangeListener propertyChangeListener) { |
| 362 |
|
listenersActiveLangChange.add(propertyChangeListener); |
| 363 |
|
} |
| 364 |
|
|
| 365 |
|
/** |
| 366 |
|
* {@link PropertyChangeListener} can be registered to be informed when the |
| 367 |
|
* {@link Locale} changed.<br> |
| 368 |
|
* The listeners are kept in a {@link WeakHashMap}, so you have to keep a |
| 369 |
|
* reference to the listener or it will be removed! |
| 370 |
|
* |
| 371 |
|
* @param propertyChangeListener |
| 372 |
|
* A {@link PropertyChangeListener} that will be called when |
| 373 |
|
* {@link #setActiveLang(String)} changes the language. |
| 374 |
|
*/ |
| 375 |
|
public static boolean removeActiveLangListener( |
| 376 |
|
PropertyChangeListener propertyChangeListener) { |
| 377 |
|
return listenersActiveLangChange.remove(propertyChangeListener); |
| 378 |
|
} |
| 379 |
|
|
| 380 |
|
/** |
| 381 |
|
* Informs all registered {@link PropertyChangeListener}s about a change of |
| 382 |
|
* type LOCALE_CHANGE_PROPERTY the the {@link Locale}. |
| 383 |
|
*/ |
| 384 |
|
public static void fireLocaleChangeEvents() { |
| 385 |
|
PropertyChangeEvent pce = new PropertyChangeEvent(new Translation( |
| 386 |
|
new ArrayList<String>(), "fakeSource"), LOCALE_CHANGE_PROPERTY, |
| 387 |
|
null, getActiveLang()); |
| 388 |
|
for (PropertyChangeListener pcl : listenersLocaleChange) { |
| 389 |
|
if (pcl != null) |
| 390 |
|
pcl.propertyChange(pce); |
| 391 |
|
} |
| 392 |
|
} |
| 393 |
|
|
| 394 |
|
/** |
| 395 |
|
* Informs all registered {@link PropertyChangeListener}s about a change of |
| 396 |
|
* type ACTIVELANG_CHANGE_PROPERTY the the {@link Locale}. |
| 397 |
|
*/ |
| 398 |
|
public static void fireActiveLangChangeEvents() { |
| 399 |
|
PropertyChangeEvent pce = new PropertyChangeEvent(new Translation( |
| 400 |
|
new ArrayList<String>(), "fakeSource"), |
| 401 |
|
ACTIVELANG_CHANGE_PROPERTY, null, getActiveLang()); |
| 402 |
|
for (PropertyChangeListener pcl : listenersActiveLangChange) { |
| 403 |
|
if (pcl != null) |
| 404 |
|
pcl.propertyChange(pce); |
| 405 |
|
} |
| 406 |
|
} |
| 407 |
|
|
| 408 |
|
/** |
| 409 |
|
* The listeneras are stored in a {@link WeakHashSet}! So you HAVE TO KEEP a |
| 410 |
|
* reference as long as you need the listener. |
| 411 |
|
*/ |
| 412 |
|
public void addTranslationChangeListener(ActionListener actionListener) { |
| 413 |
|
if (changeListeners.add(actionListener)) { |
| 414 |
|
// LOGGER |
| 415 |
|
// .debug("registering a new translationChangeActionListener in the WeakHashSet"); |
| 416 |
|
} |
| 417 |
|
} |
| 418 |
|
|
| 419 |
|
/** |
| 420 |
|
* The listeneras are stored in a {@link WeakHashSet}! You don't have to |
| 421 |
|
* remove the listener, as long as you throw away the reference to the |
| 422 |
|
* listener. |
| 423 |
|
*/ |
| 424 |
|
public boolean removeTranslationChangeListener(ActionListener actionListener) { |
| 425 |
|
return changeListeners.remove(actionListener); |
| 426 |
|
} |
| 427 |
|
|
| 428 |
|
public void fireTranslationChangedEvents(String lang) { |
| 429 |
|
ActionEvent ae = new ActionEvent(this, new Random().nextInt(), lang); |
| 430 |
|
|
| 431 |
|
final Iterator<ActionListener> iterator = changeListeners.iterator(); |
| 432 |
|
while (iterator.hasNext()) { |
| 433 |
|
ActionListener al = iterator.next(); |
| 434 |
|
al.actionPerformed(ae); |
| 435 |
|
} |
| 436 |
|
} |
| 437 |
|
|
| 438 |
|
@Override |
| 439 |
|
public String put(String lang, String value) { |
| 440 |
|
String result = super.put(lang, value); |
| 441 |
|
fireTranslationChangedEvents(lang); |
| 442 |
|
return result; |
| 443 |
|
} |
| 444 |
|
|
| 445 |
|
public void fromOneLine(InternationalString iString) { |
| 446 |
|
if (iString != null) |
| 447 |
|
fromOneLine(iString.toString()); |
| 448 |
|
else |
| 449 |
|
fromOneLine((String) null); |
| 450 |
|
} |
| 451 |
|
|
| 452 |
|
/** |
| 453 |
|
* Copy this {@link Translation} to another {@link Translation} e.g. for |
| 454 |
|
* editing and return the target. |
| 455 |
|
* |
| 456 |
|
* @return the destination {@link Translation} |
| 457 |
|
*/ |
| 458 |
|
@Override |
| 459 |
|
public Translation copyTo(Translation translation2) { |
| 460 |
|
if (translation2 == null) |
| 461 |
|
return copy(); |
| 462 |
|
|
| 463 |
|
translation2.fromOneLine(toOneLine()); |
| 464 |
|
return translation2; |
| 465 |
|
} |
| 466 |
|
|
| 467 |
|
@Override |
| 468 |
|
public Translation copy() { |
| 469 |
|
return copyTo(new Translation()); |
| 470 |
|
} |
| 471 |
|
|
| 472 |
|
/** |
| 473 |
|
* Checks if the {@link String}s stored in the {@link Translation} are all |
| 474 |
|
* valid. |
| 475 |
|
* |
| 476 |
|
* @return <code>true</code> if all good |
| 477 |
|
*/ |
| 478 |
|
public static boolean checkValid(Translation translationToCheck) { |
| 479 |
|
|
| 480 |
|
for (String l : translationToCheck.values()) { |
| 481 |
|
|
| 482 |
|
if (l.contains("{") || l.contains("}")) { |
| 483 |
|
|
| 484 |
|
return false; |
| 485 |
|
} |
| 486 |
|
} |
| 487 |
|
return true; |
| 488 |
|
} |
| 489 |
|
|
| 490 |
|
/** |
| 491 |
|
* Goes through the available languages of the FIRST registered |
| 492 |
|
* {@link ResourceProvider} and set the active locale to the fist match. |
| 493 |
|
* |
| 494 |
|
* @param fireChangeEvent |
| 495 |
|
* if <code>true</code>, a Translation.fireLocaleChangeEvents() |
| 496 |
|
* is issued. |
| 497 |
|
* |
| 498 |
|
* @return |
| 499 |
|
*/ |
| 500 |
|
public static boolean setFirstmatchingLanguage(List<String> languages, |
| 501 |
|
boolean fireChangeEvent) { |
| 502 |
|
|
| 503 |
|
SortableVector<ResourceProvider> registeredResourceProvider = ResourceProvider |
| 504 |
|
.getRegisteredResourceProvider(); |
| 505 |
|
Set<Locale> available = ResourceProvider.getAvailableLocales( |
| 506 |
|
registeredResourceProvider.get(0), true); |
| 507 |
|
|
| 508 |
|
for (String l : languages) { |
| 509 |
|
for (Locale loc : available) { |
| 510 |
|
if (loc.getLanguage().equals(l)) { |
| 511 |
|
Translation.setActiveLang(l); |
| 512 |
|
if (fireChangeEvent) |
| 513 |
|
Translation.fireLocaleChangeEvents(); |
| 514 |
|
return true; |
| 515 |
|
} |
| 516 |
|
} |
| 517 |
|
} |
| 518 |
|
|
| 519 |
|
return false; |
| 520 |
|
|
| 521 |
|
} |
| 522 |
|
|
| 523 |
|
/** |
| 524 |
|
* Returns the translation in a requested language |
| 525 |
|
*/ |
| 526 |
|
public String toString(String lang) { |
| 527 |
|
return get(lang); |
| 528 |
|
} |
| 529 |
|
|
| 530 |
|
/** |
| 531 |
|
* Will set the default Locale (if not already equal) and fire Locale change |
| 532 |
|
* events. |
| 533 |
|
* |
| 534 |
|
* @param if <code>null</code> will do nothing. |
| 535 |
|
*/ |
| 536 |
|
public static void setDefaultLocale(Locale locale) { |
| 537 |
|
|
| 538 |
|
if (locale == null) |
| 539 |
|
return; |
| 540 |
|
|
| 541 |
|
if (I8NUtil.isPropertiesLanguage(locale.getLanguage())) { |
| 542 |
|
locale = I8NUtil.propLocales.get(locale.getLanguage()) |
| 543 |
|
.getParentLocale(); |
| 544 |
|
} |
| 545 |
|
|
| 546 |
|
if (Locale.getDefault().equals(locale)) |
| 547 |
|
return; |
| 548 |
|
Locale.setDefault(locale); |
| 549 |
|
/** |
| 550 |
|
* Setting default locale for Swing JComponents to work around bug |
| 551 |
|
* http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4884480 |
| 552 |
|
*/ |
| 553 |
|
JComponent.setDefaultLocale(locale); |
| 554 |
|
|
| 555 |
|
fireLocaleChangeEvents(); |
| 556 |
|
} |
| 557 |
|
|
| 558 |
|
} |
Parent Directory
| 
Revision Log
| 
Patch