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package skrueger.i8n; |
/******************************************************************************* |
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|
* Copyright (c) 2009 Martin O. J. Schmitz. |
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import java.beans.PropertyChangeEvent; |
* |
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import java.beans.PropertyChangeListener; |
* This file is part of the SCHMITZM library - a collection of utility |
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import java.util.ArrayList; |
* classes based on Java 1.6, focusing (not only) on Java Swing |
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import java.util.HashMap; |
* and the Geotools library. |
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import java.util.List; |
* |
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import java.util.Locale; |
* The SCHMITZM project is hosted at: |
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|
* http://wald.intevation.org/projects/schmitzm/ |
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import javax.swing.JComponent; |
* |
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|
* This program is free software; you can redistribute it and/or |
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import org.apache.log4j.Logger; |
* modify it under the terms of the GNU Lesser General Public License |
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|
* as published by the Free Software Foundation; either version 3 |
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/** |
* of the License, or (at your option) any later version. |
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* Represents a {@link HashMap} of translations. toString() returns the |
* |
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* appropriate translation |
* This program is distributed in the hope that it will be useful, |
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* |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* @author @author <a href="mailto:[email protected]">Stefan Alfons |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* Krüger</a> |
* GNU General Public License for more details. |
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*/ |
* |
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|
* You should have received a copy of the GNU Lesser General Public License (license.txt) |
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public class Translation extends HashMap<String, String> { |
* along with this program; if not, write to the Free Software |
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public static final String LOCALECHANGE_PROPERTY = "localechange"; |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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public static final String NO_TRANSLATION = "NO TRANSLATION"; |
* or try this link: http://www.gnu.org/licenses/lgpl.html |
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public static final String DEFAULT_KEY = "default"; |
* |
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static final Logger log = Logger.getLogger(Translation.class); |
* Contributors: |
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static String activeLang = "fr"; |
* Martin O. J. Schmitz - initial API and implementation |
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|
* Stefan A. Tzeggai - additional utility classes |
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static protected List<PropertyChangeListener> listeners = new ArrayList<PropertyChangeListener>(); |
******************************************************************************/ |
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package skrueger.i8n; |
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static { |
|
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|
import java.awt.event.ActionEvent; |
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// TODO default aus Locale auslesen und mit möglichen vergleichen... |
import java.awt.event.ActionListener; |
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// mmm.. vor laden von atlasml immer DEFAULT_KEY, also hier nicht |
import java.beans.PropertyChangeEvent; |
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|
import java.beans.PropertyChangeListener; |
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// Get default locale |
import java.io.Serializable; |
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Locale locale = Locale.getDefault(); |
import java.util.ArrayList; |
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setActiveLang(locale.getLanguage()); |
import java.util.HashMap; |
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} |
import java.util.Iterator; |
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|
import java.util.List; |
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@Override |
import java.util.Locale; |
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/* |
import java.util.Random; |
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* @comment To make a copy of a translation see methods toOneLine() and |
import java.util.Set; |
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* fromOneLine() |
import java.util.WeakHashMap; |
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*/ |
|
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public Translation clone() { |
import javax.swing.JComponent; |
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return (Translation) super.clone(); |
|
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} |
import org.apache.log4j.Logger; |
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|
import org.geotools.util.WeakHashSet; |
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/** |
import org.opengis.util.InternationalString; |
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* Get the two-letter language sting that is active |
|
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*/ |
import schmitzm.lang.ResourceProvider; |
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public static String getActiveLang() { |
import schmitzm.lang.SortableVector; |
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return activeLang; |
import skrueger.geotools.Copyable; |
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} |
|
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|
/** |
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/** |
* Represents a {@link HashMap} of translations. toString() returns the |
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* Set up the {@link Translation}-system to use language. If a change is |
* appropriate translation. This class is mutable. |
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* performed, events are fired to listeners. Nothing is done if the new |
* |
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* language equals the old language. |
* @author <a href="mailto:[email protected]">Stefan Alfons Tzeggai</a> |
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* |
*/ |
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* @param newLang |
|
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* The ISO Code of the new active language |
public class Translation extends HashMap<String, String> implements |
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*/ |
Copyable<Translation>, Serializable, Cloneable { |
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public static void setActiveLang(String newLang) { |
|
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if (getActiveLang().equals(newLang)) { |
private static final long serialVersionUID = -347702744122305245L; |
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return; |
|
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} |
public static final String LOCALECHANGE_PROPERTY = "localechange"; |
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|
public static final String ACTIVELANG_CHANGE_PROPERTY = "activelangchange"; |
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if (!I8NUtil.isValidISOLangCode(newLang)) { |
public static final String NO_TRANSLATION = "NO TRANSLATION"; |
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throw new IllegalArgumentException("'" + newLang |
public static final String DEFAULT_KEY = "default"; |
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+ "' is not a valid ISO language code."); |
static final Logger LOGGER = Logger.getLogger(Translation.class); |
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} |
|
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/** A static field defining which language should be served **/ |
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Locale newLocale = new Locale(newLang); |
static String activeLang = Locale.getDefault().getLanguage(); |
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Locale.setDefault(newLocale); |
|
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|
/** |
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/** |
* A {@link WeakHashSet} of {@link PropertyChangeListener} that will be |
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* Setting default locale for Swing JComponents to work around bug |
* informed if the acitveLang has been changed with a setActiveLang(..,true |
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* http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4884480 |
* or false). |
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*/ |
*/ |
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JComponent.setDefaultLocale(newLocale); |
static protected WeakHashSet<PropertyChangeListener> listenersActiveLangChange = new WeakHashSet<PropertyChangeListener>( |
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|
PropertyChangeListener.class); |
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Translation.activeLang = newLang; |
|
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|
/** |
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fireChangeEvents(); |
* A {@link WeakHashSet} of {@link PropertyChangeListener} that will be |
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|
* informed if the Locale has been changed due to a setActiveLang(..,true) |
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log.info("skrueger.i8n.Translation switched ActiveLang to " + newLang); |
*/ |
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} |
static protected WeakHashSet<PropertyChangeListener> listenersLocaleChange = new WeakHashSet<PropertyChangeListener>( |
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|
PropertyChangeListener.class); |
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/** |
|
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* Initializes a new {@link Translation} with a default translation. Other |
/** |
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* translations may be added later. |
* A {@link WeakHashSet} of {@link PropertyChangeListener} that will be |
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* |
* informed if any of the translations changed. TODO: Should be registerable |
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* @param defaultTranslation |
* for specific languages |
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* |
*/ |
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* @deprecated SK: The concept of the default translation doesn't seem so |
private WeakHashSet<ActionListener> changeListeners = new WeakHashSet<ActionListener>( |
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* nice to me anymore.. I would prefer the default translation |
ActionListener.class); |
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* to be set for all valid languages. |
|
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* |
static { |
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* @see public Translation(List<String> languages, String |
// Get default locale |
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* defaultTranslation) { |
Locale locale = Locale.getDefault(); |
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* |
setActiveLang(locale.getLanguage()); |
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*/ |
} |
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public Translation(String defaultTranslation) { |
|
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put(DEFAULT_KEY, defaultTranslation); |
@Override |
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} |
/** |
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|
* implemented using #toOneLine and #fromOneLine |
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/** |
*/ |
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* Initializes a new {@link Translation}, an uses the given String to |
public Translation clone() { |
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* initialize the {@link Translation} for all languages codes passed. |
Translation clone = new Translation(); |
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* |
clone.fromOneLine(toOneLine()); |
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* The translations can be changed later |
return clone; |
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*/ |
} |
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public Translation(List<String> languages, String defaultTranslation) { |
|
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// put(DEFAULT_KEY, defaultTranslation); |
/** |
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if (languages == null) { |
* Get the two-letter language sting that is active |
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put(DEFAULT_KEY, defaultTranslation); |
*/ |
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} else |
public static String getActiveLang() { |
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for (String code : languages) { |
return activeLang; |
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if (code.equals(getActiveLang())) { |
} |
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put(code, defaultTranslation); |
|
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} |
/** |
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} |
* Set up the {@link Translation}-system to use language. If a change is |
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} |
* performed, events are fired to listeners. Nothing is done if the new |
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|
* language equals the old language. The system's default {@link Locale} is |
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/** |
* changed. |
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* Sometimes Translations are optional, like for keywords. |
* |
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*/ |
* @param newLang |
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public Translation() { |
* The ISO Code of the new active language |
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} |
*/ |
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|
public static void setActiveLang(String newLang) { |
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/** |
setActiveLang(newLang, true); |
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* Fills the {@link Translation} with the values coded into the String |
} |
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* Format of {@link String} is: "de{Baum}en{tree}" |
|
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* <p> |
/** |
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* <ul> |
* Set up the {@link Translation}-system to use language. If a change is |
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* <li>If <code>oneLineCoded</code> is empty or null, NO TRANSLATION is set. |
* performed, events are fired to listeners. Nothing is done if the new |
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* <li>If format can't be recognized, the {@link String} is interpreted as |
* language equals the old language. |
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* the translation in the <code>{@value #DEFAULT_KEY}</code> language |
* |
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* |
* @param newLang |
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* @author Stefan Alfons Krüger |
* The ISO Code of the new active language |
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*/ |
* |
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public void fromOneLine(final String oneLineCoded) { |
* @param setDefaultLocale |
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clear(); |
* Shall the system's default locale be changed? |
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if ((oneLineCoded == null) || (oneLineCoded.equals(""))) { |
*/ |
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put(DEFAULT_KEY, ""); |
public static void setActiveLang(String newLang, boolean setDefaultLocale) { |
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return; |
if (getActiveLang().equals(newLang)) { |
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} |
return; |
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|
} |
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if (oneLineCoded.indexOf("}") == -1) { |
|
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// log.warn("The String '"+oneLineCoded+"' is not in oneLine coded => put(DEFAULT_KEY,oneLineCoded);"); |
if (!I8NUtil.isValidISOLangCode(newLang)) { |
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put(DEFAULT_KEY, oneLineCoded); |
throw new IllegalArgumentException("'" + newLang |
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} |
+ "' is not a valid ISO language code."); |
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|
} |
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String eatUp = oneLineCoded; |
|
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while (eatUp.indexOf("}") != -1) { |
Translation.activeLang = newLang; |
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String substring = eatUp.substring(0, eatUp.indexOf("}")); |
fireActiveLangChangeEvents(); |
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|
|
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// log.debug("substring = "+substring); |
Locale newLocale = new Locale(newLang); |
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String key = substring.substring(0, substring.indexOf("{")); |
if (setDefaultLocale) { |
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String value = substring.substring(substring.indexOf("{") + 1, |
|
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substring.length()); |
Locale.setDefault(newLocale); |
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// log.debug("key="+key); |
/** |
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// log.debug("value="+value); |
* Setting default locale for Swing JComponents to work around bug |
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put(key, value); |
* http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4884480 |
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eatUp = eatUp.substring(eatUp.indexOf("}") + 1); |
*/ |
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} |
JComponent.setDefaultLocale(newLocale); |
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} |
|
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|
fireLocaleChangeEvents(); |
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/** |
|
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* Exports the Translations to a String of the Format: "de{Baum}en{tree}" |
LOGGER.info(Translation.class.getName() |
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* |
+ " switched ActiveLang and Locale to " + newLang); |
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* @author Stefan Alfons Krüger |
} else { |
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*/ |
LOGGER.info(Translation.class.getName() |
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public String toOneLine() { |
+ " switched ActiveLang to " + newLang); |
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StringBuffer oneLine = new StringBuffer(); |
} |
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for (String key : keySet()) { |
|
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oneLine.append(key + "{" + get(key) + "}"); |
} |
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} |
|
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return oneLine.toString(); |
/** |
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} |
* Initializes a new {@link Translation} with a default translation if a |
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|
* simple text is passed. If a "oneLine" text is parsed, it is interpreted. |
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/** |
* Other translations may be added later - this is a HashMap<br/> |
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* Returns the right translation by using the {@link #activeLang} field. If |
* |
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* no translation is set, an ugly String {@link #NO_TRANSLATION} will re |
* @param defaultTranslation |
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* returned. This might be changed for the final release. If the correct |
* |
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* language was not found, any entry in the {@link Translation} |
* @see public Translation(List<String> languages, String |
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* {@link HashMap} will be returned, that contains more than an empty |
* defaultTranslation) { |
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* string. |
* |
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*/ |
*/ |
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@Override |
public Translation(String defaultTranslation) { |
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public String toString() { |
|
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if (get(activeLang) != null) { |
fromOneLine(defaultTranslation); |
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return get(activeLang); |
|
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} |
} |
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// **************************************************************************** |
|
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// MS: The ISDSS needs the concept of the default lang!! So I took the |
/** |
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// following in again!! |
* Initializes a new {@link Translation}, an uses the given String to |
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// **************************************************************************** |
* initialize the {@link Translation} for all languages codes passed. The |
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// else return ""; |
* translations can be changed later. This class is not immutable. |
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// //**************************************************************************** |
* |
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// // The following is commented out.. the concept of the default lang |
* @param languages |
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// seems to be bad.... |
* if empty or null, the given default {@link Translation} till |
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// //**************************************************************************** |
* be stored under a special key {@link #DEFAULT_KEY} |
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// MS: |
* |
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else { |
* |
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if (get(DEFAULT_KEY) != null) { |
*/ |
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// 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."); |
public Translation(List<String> languages, String defaultTranslation) { |
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return get(DEFAULT_KEY); |
if (languages == null || languages.isEmpty()) { |
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} |
put(DEFAULT_KEY, defaultTranslation); |
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|
} else |
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// log.debug("return first best <> '' "); |
for (String code : languages) { |
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if (size() > 0) |
put(code, defaultTranslation); |
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for (String s : values()) { |
} |
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if ((s != null) && (s.trim().length() > 0)) |
} |
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return s; |
|
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} |
/** |
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} |
* Sometimes Translations are optional, like for keywords. |
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log.warn("No translation found!"); |
*/ |
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return NO_TRANSLATION; |
public Translation() { |
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} |
} |
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|
|
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/** |
/** |
| 225 |
* Copy this {@link Translation} to another {@link Translation} e.g. for |
* Fills the {@link Translation} with the values coded into the String |
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* editing |
* Format of {@link String} is: "de{Baum}en{tree}" |
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* |
* <p> |
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* @return the destination {@link Translation} |
* <ul> |
| 229 |
*/ |
* <li>If <code>oneLineCoded</code> is empty or null, NO TRANSLATION is set. |
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public Translation copy(Translation backup) { |
* <li>If format can't be recognized, the {@link String} is interpreted as |
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if (backup == null) |
* the translation in the <code>{@value #DEFAULT_KEY}</code> language |
| 232 |
throw new IllegalArgumentException( |
* |
| 233 |
"Target translation may not be null."); |
* @author Stefan Alfons Tzeggai |
| 234 |
for (String s : keySet()) { |
*/ |
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backup.put(s, get(s)); |
public void fromOneLine(final String oneLineCoded) { |
| 236 |
} |
|
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return backup; |
clear(); |
| 238 |
} |
|
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|
try { |
| 240 |
/** |
|
| 241 |
* {@link PropertyChangeListener} can be registered to be informed when the |
if ((oneLineCoded == null) || (oneLineCoded.equals(""))) { |
| 242 |
* {@link Locale} changed. |
put(DEFAULT_KEY, ""); |
| 243 |
* |
return; |
| 244 |
* @param propertyChangeListener |
} |
| 245 |
*/ |
|
| 246 |
public static void addLocaleChangeListener( |
if (oneLineCoded.indexOf("}") == -1) { |
| 247 |
PropertyChangeListener propertyChangeListener) { |
// log.warn("The String '"+oneLineCoded+"' is not in oneLine coded => put(DEFAULT_KEY,oneLineCoded);"); |
| 248 |
listeners.add(propertyChangeListener); |
put(DEFAULT_KEY, oneLineCoded); |
| 249 |
} |
} |
| 250 |
|
|
| 251 |
/** |
String eatUp = oneLineCoded; |
| 252 |
* Informs all registered {@link PropertyChangeListener}s about a change of |
while (eatUp.indexOf("}") != -1) { |
| 253 |
* the the {@link Locale}. |
String substring = eatUp.substring(0, eatUp.indexOf("}")); |
| 254 |
*/ |
|
| 255 |
public static void fireChangeEvents() { |
// log.debug("substring = "+substring); |
| 256 |
PropertyChangeEvent pce = new PropertyChangeEvent(new Translation( |
String key = substring.substring(0, substring.indexOf("{")); |
| 257 |
new ArrayList<String>(), "fakeSource"), LOCALECHANGE_PROPERTY, |
String value = substring.substring(substring.indexOf("{") + 1, |
| 258 |
null, getActiveLang()); |
substring.length()); |
| 259 |
for (PropertyChangeListener pcl : listeners) { |
// log.debug("key="+key); |
| 260 |
if (pcl != null) |
// log.debug("value="+value); |
| 261 |
pcl.propertyChange(pce); |
put(key, value); |
| 262 |
} |
eatUp = eatUp.substring(eatUp.indexOf("}") + 1); |
| 263 |
} |
} |
| 264 |
|
} catch (Exception e) { |
| 265 |
|
LOGGER.warn("Error while reading the oneLineCode '" + oneLineCoded |
| 266 |
} |
+ "'", e); |
| 267 |
|
LOGGER.warn("Translation will be empty!"); |
| 268 |
|
} |
| 269 |
|
} |
| 270 |
|
|
| 271 |
|
/** |
| 272 |
|
* Exports the Translations to a String of the Format: "de{Baum}en{tree}" |
| 273 |
|
* |
| 274 |
|
* @author Stefan Alfons Tzeggai |
| 275 |
|
*/ |
| 276 |
|
public String toOneLine() { |
| 277 |
|
return I8NUtil.toOneLine(this); |
| 278 |
|
} |
| 279 |
|
|
| 280 |
|
/** |
| 281 |
|
* Returns the correct translation by using the {@link #activeLang} field. |
| 282 |
|
* If no translation is set, an ugly String {@link #NO_TRANSLATION} will re |
| 283 |
|
* returned. This might be changed for the final release. If the correct |
| 284 |
|
* language was not found, any entry in the {@link Translation} |
| 285 |
|
* {@link HashMap} will be returned, that contains more than an empty |
| 286 |
|
* string. |
| 287 |
|
*/ |
| 288 |
|
@Override |
| 289 |
|
public String toString() { |
| 290 |
|
final String string = get(activeLang); |
| 291 |
|
if (string != null) { |
| 292 |
|
return get(activeLang); |
| 293 |
|
} |
| 294 |
|
// **************************************************************************** |
| 295 |
|
// MS: The ISDSS needs the concept of the default lang!! So I took the |
| 296 |
|
// following in again!! |
| 297 |
|
// **************************************************************************** |
| 298 |
|
// else return ""; |
| 299 |
|
// //**************************************************************************** |
| 300 |
|
// // ST: The following is commented out.. the concept of the default |
| 301 |
|
// lang |
| 302 |
|
// seems to be bad.... |
| 303 |
|
// //**************************************************************************** |
| 304 |
|
// MS: |
| 305 |
|
else { |
| 306 |
|
if (get(DEFAULT_KEY) != null) { |
| 307 |
|
return get(DEFAULT_KEY); |
| 308 |
|
} |
| 309 |
|
|
| 310 |
|
// log.debug("return first best <> '' "); |
| 311 |
|
if (size() > 0) |
| 312 |
|
for (String s : values()) { |
| 313 |
|
if ((s != null) && (s.trim().length() > 0)) |
| 314 |
|
return s; |
| 315 |
|
} |
| 316 |
|
} |
| 317 |
|
// log.warn("No translation found!"); |
| 318 |
|
return NO_TRANSLATION; |
| 319 |
|
} |
| 320 |
|
|
| 321 |
|
/** |
| 322 |
|
* {@link PropertyChangeListener} can be registered to be informed when the |
| 323 |
|
* {@link Locale} changed.<br> |
| 324 |
|
* The listeners are kept in a {@link WeakHashMap}, so you have to keep a |
| 325 |
|
* reference to the listener or it will be removed! |
| 326 |
|
* |
| 327 |
|
* @param propertyChangeListener |
| 328 |
|
* A {@link PropertyChangeListener} that will be called when |
| 329 |
|
* {@link #setActiveLang(String)} changes the language. |
| 330 |
|
*/ |
| 331 |
|
public static void addLocaleChangeListener( |
| 332 |
|
PropertyChangeListener propertyChangeListener) { |
| 333 |
|
listenersLocaleChange.add(propertyChangeListener); |
| 334 |
|
} |
| 335 |
|
|
| 336 |
|
/** |
| 337 |
|
* {@link PropertyChangeListener} can be registered to be informed when the |
| 338 |
|
* {@link Locale} changed.<br> |
| 339 |
|
* The listeners are kept in a {@link WeakHashMap}, so you have to keep a |
| 340 |
|
* reference to the listener or it will be removed! |
| 341 |
|
* |
| 342 |
|
* @param propertyChangeListener |
| 343 |
|
* A {@link PropertyChangeListener} that will be called when |
| 344 |
|
* {@link #setActiveLang(String)} changes the language. |
| 345 |
|
*/ |
| 346 |
|
public static boolean removeLocaleChangeListener( |
| 347 |
|
PropertyChangeListener propertyChangeListener) { |
| 348 |
|
return listenersLocaleChange.remove(propertyChangeListener); |
| 349 |
|
} |
| 350 |
|
|
| 351 |
|
/** |
| 352 |
|
* {@link PropertyChangeListener} can be registered to be informed when the |
| 353 |
|
* {@link Locale} changed.<br> |
| 354 |
|
* The listeners are kept in a {@link WeakHashMap}, so you have to keep a |
| 355 |
|
* reference to the listener or it will be removed! |
| 356 |
|
* |
| 357 |
|
* @param propertyChangeListener |
| 358 |
|
* A {@link PropertyChangeListener} that will be called when |
| 359 |
|
* {@link #setActiveLang(String)} changes the language. |
| 360 |
|
*/ |
| 361 |
|
public static void addActiveLangChangeListener( |
| 362 |
|
PropertyChangeListener propertyChangeListener) { |
| 363 |
|
listenersActiveLangChange.add(propertyChangeListener); |
| 364 |
|
} |
| 365 |
|
|
| 366 |
|
/** |
| 367 |
|
* {@link PropertyChangeListener} can be registered to be informed when the |
| 368 |
|
* {@link Locale} changed.<br> |
| 369 |
|
* The listeners are kept in a {@link WeakHashMap}, so you have to keep a |
| 370 |
|
* reference to the listener or it will be removed! |
| 371 |
|
* |
| 372 |
|
* @param propertyChangeListener |
| 373 |
|
* A {@link PropertyChangeListener} that will be called when |
| 374 |
|
* {@link #setActiveLang(String)} changes the language. |
| 375 |
|
*/ |
| 376 |
|
public static boolean removeActiveLangListener( |
| 377 |
|
PropertyChangeListener propertyChangeListener) { |
| 378 |
|
return listenersActiveLangChange.remove(propertyChangeListener); |
| 379 |
|
} |
| 380 |
|
|
| 381 |
|
/** |
| 382 |
|
* Informs all registered {@link PropertyChangeListener}s about a change of |
| 383 |
|
* the the {@link Locale}. |
| 384 |
|
*/ |
| 385 |
|
public static void fireLocaleChangeEvents() { |
| 386 |
|
PropertyChangeEvent pce = new PropertyChangeEvent(new Translation( |
| 387 |
|
new ArrayList<String>(), "fakeSource"), LOCALECHANGE_PROPERTY, |
| 388 |
|
null, getActiveLang()); |
| 389 |
|
for (PropertyChangeListener pcl : listenersLocaleChange) { |
| 390 |
|
if (pcl != null) |
| 391 |
|
pcl.propertyChange(pce); |
| 392 |
|
} |
| 393 |
|
} |
| 394 |
|
|
| 395 |
|
/** |
| 396 |
|
* Informs all registered {@link PropertyChangeListener}s about a change of |
| 397 |
|
* the the {@link Locale}. |
| 398 |
|
*/ |
| 399 |
|
public static void fireActiveLangChangeEvents() { |
| 400 |
|
PropertyChangeEvent pce = new PropertyChangeEvent(new Translation( |
| 401 |
|
new ArrayList<String>(), "fakeSource"), |
| 402 |
|
ACTIVELANG_CHANGE_PROPERTY, null, getActiveLang()); |
| 403 |
|
for (PropertyChangeListener pcl : listenersActiveLangChange) { |
| 404 |
|
if (pcl != null) |
| 405 |
|
pcl.propertyChange(pce); |
| 406 |
|
} |
| 407 |
|
} |
| 408 |
|
|
| 409 |
|
/** |
| 410 |
|
* The listeneras are stored in a {@link WeakHashSet}! So you HAVE TO KEEP a |
| 411 |
|
* reference as long as you need the listener. |
| 412 |
|
*/ |
| 413 |
|
public void addTranslationChangeListener(ActionListener actionListener) { |
| 414 |
|
if (changeListeners.add(actionListener)) { |
| 415 |
|
// LOGGER |
| 416 |
|
// .debug("registering a new translationChangeActionListener in the WeakHashSet"); |
| 417 |
|
} |
| 418 |
|
} |
| 419 |
|
|
| 420 |
|
/** |
| 421 |
|
* The listeneras are stored in a {@link WeakHashSet}! You don't have to |
| 422 |
|
* remove the listener, as long as you throw away the reference to the |
| 423 |
|
* listener. |
| 424 |
|
*/ |
| 425 |
|
public boolean removeTranslationChangeListener(ActionListener actionListener) { |
| 426 |
|
return changeListeners.remove(actionListener); |
| 427 |
|
} |
| 428 |
|
|
| 429 |
|
public void fireTranslationChangedEvents(String lang) { |
| 430 |
|
ActionEvent ae = new ActionEvent(this, new Random().nextInt(), lang); |
| 431 |
|
|
| 432 |
|
final Iterator<ActionListener> iterator = changeListeners.iterator(); |
| 433 |
|
while (iterator.hasNext()) { |
| 434 |
|
ActionListener al = iterator.next(); |
| 435 |
|
al.actionPerformed(ae); |
| 436 |
|
} |
| 437 |
|
} |
| 438 |
|
|
| 439 |
|
@Override |
| 440 |
|
public String put(String lang, String value) { |
| 441 |
|
String result = super.put(lang, value); |
| 442 |
|
fireTranslationChangedEvents(lang); |
| 443 |
|
return result; |
| 444 |
|
} |
| 445 |
|
|
| 446 |
|
public void fromOneLine(InternationalString iString) { |
| 447 |
|
if (iString != null) |
| 448 |
|
fromOneLine(iString.toString()); |
| 449 |
|
else |
| 450 |
|
fromOneLine((String) null); |
| 451 |
|
} |
| 452 |
|
|
| 453 |
|
/** |
| 454 |
|
* Copy this {@link Translation} to another {@link Translation} e.g. for |
| 455 |
|
* editing and return the target. |
| 456 |
|
* |
| 457 |
|
* @return the destination {@link Translation} |
| 458 |
|
*/ |
| 459 |
|
@Override |
| 460 |
|
public Translation copyTo(Translation translation2) { |
| 461 |
|
if (translation2 == null) |
| 462 |
|
return copy(); |
| 463 |
|
|
| 464 |
|
translation2.fromOneLine(toOneLine()); |
| 465 |
|
return translation2; |
| 466 |
|
} |
| 467 |
|
|
| 468 |
|
@Override |
| 469 |
|
public Translation copy() { |
| 470 |
|
return copyTo(new Translation()); |
| 471 |
|
} |
| 472 |
|
|
| 473 |
|
/** |
| 474 |
|
* Checks if the {@link String}s stored in the {@link Translation} are all |
| 475 |
|
* valid. |
| 476 |
|
* |
| 477 |
|
* @return <code>true</code> if all good |
| 478 |
|
*/ |
| 479 |
|
public static boolean checkValid(Translation translationToCheck) { |
| 480 |
|
|
| 481 |
|
for (String l : translationToCheck.values()) { |
| 482 |
|
|
| 483 |
|
if (l.contains("{") || l.contains("}")) { |
| 484 |
|
|
| 485 |
|
return false; |
| 486 |
|
} |
| 487 |
|
} |
| 488 |
|
return true; |
| 489 |
|
} |
| 490 |
|
|
| 491 |
|
/** |
| 492 |
|
* Goes through the available languages of the FIRST registered |
| 493 |
|
* {@link ResourceProvider} and set the active locale to the fist match. |
| 494 |
|
* |
| 495 |
|
* @param fireChangeEvent |
| 496 |
|
* if <code>true</code>, a Translation.fireLocaleChangeEvents() |
| 497 |
|
* is issued. |
| 498 |
|
* |
| 499 |
|
* @return |
| 500 |
|
*/ |
| 501 |
|
public static boolean setFirstmatchingLanguage(List<String> languages, |
| 502 |
|
boolean fireChangeEvent) { |
| 503 |
|
|
| 504 |
|
SortableVector<ResourceProvider> registeredResourceProvider = ResourceProvider |
| 505 |
|
.getRegisteredResourceProvider(); |
| 506 |
|
Set<Locale> available = ResourceProvider.getAvailableLocales( |
| 507 |
|
registeredResourceProvider.get(0), true); |
| 508 |
|
|
| 509 |
|
for (String l : languages) { |
| 510 |
|
for (Locale loc : available) { |
| 511 |
|
if (loc.getLanguage().equals(l)) { |
| 512 |
|
Translation.setActiveLang(l); |
| 513 |
|
if (fireChangeEvent) |
| 514 |
|
Translation.fireLocaleChangeEvents(); |
| 515 |
|
return true; |
| 516 |
|
} |
| 517 |
|
} |
| 518 |
|
} |
| 519 |
|
|
| 520 |
|
return false; |
| 521 |
|
|
| 522 |
|
} |
| 523 |
|
|
| 524 |
|
/** |
| 525 |
|
* Returns the translation in a requested language |
| 526 |
|
*/ |
| 527 |
|
public String toString(String lang) { |
| 528 |
|
return get(lang); |
| 529 |
|
} |
| 530 |
|
} |
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Revision Log
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Patch