Additional I18n APIs.

src/main/java/fr/zcraft/zlib/components/commands/Command.java

@@ -31,6 +31,9 @@
 package fr.zcraft.zlib.components.commands;
 
 import fr.zcraft.zlib.components.commands.CommandException.Reason;
+import fr.zcraft.zlib.components.i18n.I;
+import fr.zcraft.zlib.components.i18n.I18n;
+import fr.zcraft.zlib.components.i18n.LazyTranslation;
 import fr.zcraft.zlib.components.rawtext.RawText;
 import fr.zcraft.zlib.core.ZLib;
 import fr.zcraft.zlib.tools.text.RawMessage;
@@ -44,10 +47,10 @@
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 import java.util.regex.Pattern;
 
-
 abstract public class Command
 {
     private static final Pattern FLAG_PATTERN = Pattern.compile("(--?)[a-zA-Z0-9-]+");
@@ -63,6 +66,9 @@ abstract public class Command
 
     protected CommandSender sender;
     protected String[] args;
+
+    private Locale senderLocale;
+
     protected Set<String> flags;
 
     /**
@@ -158,12 +164,15 @@ protected List<String> complete() throws CommandException
     public void execute(CommandSender sender, String[] args)
     {
         this.sender = sender;
+        this.senderLocale = null;
+
         parseArgs(args);
 
         try
         {
             if (!canExecute(sender, args))
                 throw new CommandException(this, Reason.SENDER_NOT_AUTHORIZED);
+
             run();
         }
         catch (CommandException ex)
@@ -172,6 +181,7 @@ public void execute(CommandSender sender, String[] args)
         }
 
         this.sender = null;
+        this.senderLocale = null;
         this.args = null;
         this.flags = null;
     }
@@ -187,16 +197,18 @@ public List<String> tabComplete(CommandSender sender, String[] args)
         List<String> result = null;
 
         this.sender = sender;
+        this.senderLocale = null;
         parseArgs(args);
 
         try
         {
             if (canExecute(sender, args))
                 result = complete();
         }
-        catch (CommandException ignored) {}
+        catch (CommandException ignored){}
 
         this.sender = null;
+        this.senderLocale = null;
         this.args = null;
         this.flags = null;
 
@@ -379,6 +391,7 @@ private static boolean isValidFlag(Set<String> acceptedFlags, String flag)
     }
 
 
+
     ///////////// Common methods for commands /////////////
 
     /**
@@ -394,6 +407,12 @@ protected void throwInvalidArgument(String reason) throws CommandException
         throw new CommandException(this, Reason.INVALID_PARAMETERS, reason);
     }
 
+    protected void throwInvalidArgument(LazyTranslation reason, Object... parameters) throws CommandException
+    {
+        throwInvalidArgument(I.tl(getSenderLocale(), reason, parameters));
+    }
+
+
     /**
      * Stops the command execution because the command usage is disallowed, and
      * displays an error message.
@@ -408,7 +427,7 @@ protected void throwNotAuthorized() throws CommandException
     /**
      * Retrieves the {@link Player} who executed this command. If the command is
      * not executed by a player, aborts the execution and displays an error
-     * messagE.
+     * message.
      *
      * @return The player executing this command.
      * @throws CommandException If the sender is not a player.
@@ -420,6 +439,32 @@ protected Player playerSender() throws CommandException
         return (Player) sender;
     }
 
+    /**
+     * Retrieves the sender's locale. If it cannot be retrieved for some reason,
+     * or if the sender is not a player (e.g. the console), the primary, or the
+     * fallback if no primary is defined, language is returned instead.
+     *
+     * @return The {@link Locale} to use for this sender.
+     */
+    protected Locale getSenderLocale()
+    {
+        if(sender == null) return null;
+
+        if(senderLocale != null) return senderLocale;
+
+        if(sender instanceof Player) 
+            senderLocale = I18n.getPlayerLocale((Player) sender);
+
+        if(senderLocale == null)
+            senderLocale = I18n.getPrimaryLocale();
+
+        if(senderLocale == null)
+            senderLocale = I18n.getFallbackLocale();
+
+        return senderLocale;
+    }
+
+
 
     ///////////// Methods for command execution /////////////
 
@@ -444,6 +489,20 @@ protected void info(String message)
         info(sender, message);
     }
 
+    /**
+     * Displays a gray informational message to the sender.
+     *
+     * @param message The message to display.
+     * @param parameters The parameters of the I18n message.
+     *
+     * @see I#t(Locale, LazyTranslation, Object...) the underlying method used
+     * to retrieve the text and merge it with the parameters.
+     */
+    protected void info(LazyTranslation message, Object... parameters)
+    {
+        info(I.tl(getSenderLocale(), message, parameters));
+    }
+
     /**
      * Displays a green success message.
      *
@@ -465,6 +524,21 @@ protected void success(String message)
         success(sender, message);
     }
 
+    /**
+     * Displays a green success message to the sender.
+     *
+     * @param message The message to display.
+     * @param parameters The parameters of the I18n message.
+     *
+     * @see I#t(Locale, LazyTranslation, Object...) the underlying method used
+     * to retrieve the text and merge it with the parameters.
+     */
+    protected void success(LazyTranslation message, Object... parameters)
+    {
+        success(I.tl(getSenderLocale(), message, parameters));
+    }
+
+
     /**
      * Displays a red warning message.
      *
@@ -486,22 +560,57 @@ protected void warning(String message)
         warning(sender, message);
     }
 
+    /**
+     * Displays a red warning message to the sender.
+     *
+     * @param message The message to display.
+     * @param parameters The parameters of the I18n message.
+     *
+     * @see I#t(Locale, LazyTranslation, Object...) the underlying method used
+     * to retrieve the text and merge it with the parameters.
+     */
+    protected void warning(LazyTranslation message, Object... parameters)
+    {
+        warning(I.tl(getSenderLocale(), message, parameters));
+    }
+
+
     /**
      * Aborts the execution and displays an error message.
      *
      * @param message The message.
      *
-     * @throws CommandException
+     * @throws CommandException This method always throws a {@link Reason#COMMAND_ERROR}'s
+     * {@link CommandException}, interrupting the execution of the command.
      */
     protected void error(String message) throws CommandException
     {
         throw new CommandException(this, Reason.COMMAND_ERROR, message);
     }
 
+    /**
+     * Aborts the execution and displays an error message.
+     *
+     * @param message The message.
+     * @param parameters The parameters of the I18n message.
+     *
+     * @throws CommandException This method always throws a {@link Reason#COMMAND_ERROR}'s
+     * {@link CommandException}, interrupting the execution of the command.
+     *
+     * @see I#t(Locale, LazyTranslation, Object...) the underlying method used
+     * to retrieve the text and merge it with the parameters.
+     */
+    protected void error(LazyTranslation message, Object... parameters) throws CommandException
+    {
+        error(I.tl(getSenderLocale(), message, parameters));
+    }
+
+
     /**
      * Aborts the execution and displays a generic error message.
      *
-     * @throws CommandException
+     * @throws CommandException This method always throws a {@link Reason#COMMAND_ERROR}'s
+     * {@link CommandException}, interrupting the execution of the command.
      */
     protected void error() throws CommandException
     {
@@ -527,6 +636,9 @@ protected void tellRaw(String rawMessage) throws CommandException
      */
     protected void send(RawText text)
     {
+        if(text.getLocale() == null)
+            text.locale(getSenderLocale());
+
         RawMessage.send(sender, text);
     }
 

src/main/java/fr/zcraft/zlib/components/gui/ActionGui.java

@@ -130,10 +130,12 @@ protected void action(String name, int slot, ItemStack item, String title, List<
      * @param name The identifier of the action.
      * @param slot The slot the action will be placed on.
      * @param material The material used to represent the action.
+     * @return an {@link fr.zcraft.zlib.tools.items.ItemStackBuilder} ItemStackBuilder to build the representing item
      */
-    protected void action(String name, int slot, Material material)
+    protected ItemStackBuilder action(String name, int slot, Material material)
     {
-        action(name, slot, GuiUtils.makeItem(material));
+        return action(name, slot)
+                .material(material);
     }
 
     /**
@@ -180,7 +182,7 @@ protected ItemStackBuilder action(String name, int slot, ItemStack item)
 
         action(action);
 
-        if(item == null) return action.updateItem();
+        if(item == null) return action.updateItem().locale(getPlayerLocale());
         return null;
     }
 
@@ -243,7 +245,7 @@ protected ItemStackBuilder updateAction(String name, Material material)
 
     protected ItemStackBuilder updateAction(String name)
     {
-        return getAction(name).updateItem();
+        return getAction(name).updateItem().locale(getPlayerLocale());
     }
 
     /**

src/main/java/fr/zcraft/zlib/components/gui/GuiBase.java

@@ -30,7 +30,9 @@
 
 package fr.zcraft.zlib.components.gui;
 
+import fr.zcraft.zlib.components.i18n.I;
 import fr.zcraft.zlib.components.i18n.I18n;
+import fr.zcraft.zlib.components.i18n.LazyTranslation;
 import fr.zcraft.zlib.core.ZLib;
 import java.util.Locale;
 import org.bukkit.entity.Player;
@@ -164,6 +166,25 @@ void setParent(GuiBase parent)
     /** @return The locale used by the player this Gui instance is associated to. */
     protected final Locale getPlayerLocale() { return playerLocale; }
 
+    /**
+     * Sends a message to the player this Gui instance is associated to.
+     * @param message The message to send to the player.
+     */
+    protected void sendMessage(String message)
+    {
+        getPlayer().sendMessage(message);
+    }
+
+    /**
+     * Sends a message to the player this Gui instance is associated to.
+     * @param message The message to send to the player.
+     * @param parameters Parameters for the translatable format text, if any.
+     */
+    protected void sendMessage(LazyTranslation message, Object... parameters)
+    {
+        sendMessage(I.tl(getPlayerLocale(), message, parameters));
+    }
+
     protected boolean checkImmune()
     {
         if(!immune) return false;
@@ -176,6 +197,4 @@ private void setImmune(boolean immune)
         this.immune = immune;
     }
 
-    /* ===== Static API ===== */
-
 }

src/main/java/fr/zcraft/zlib/components/gui/InventoryGui.java

@@ -30,6 +30,8 @@
 
 package fr.zcraft.zlib.components.gui;
 
+import fr.zcraft.zlib.components.i18n.I;
+import fr.zcraft.zlib.components.i18n.LazyTranslation;
 import fr.zcraft.zlib.tools.items.InventoryUtils;
 import fr.zcraft.zlib.tools.runners.RunTask;
 import org.bukkit.Bukkit;
@@ -247,6 +249,17 @@ protected void setTitle(String title)
         this.title = title;
     }
 
+    /**
+     * Sets the new title of the inventory.
+     * It will be applied on the next GUI update.
+     * @param title The new title of the inventory
+     * @param parameters Parameters for the translatable format text, if any.
+     */
+    protected void setTitle(LazyTranslation title, Object ...parameters)
+    {
+        setTitle(I.tl(getPlayerLocale(), title, parameters));
+    }
+
     /** @return The underlying inventory, or null if the Gui has not been opened yet. */
     public Inventory getInventory() { return inventory; }
 

src/main/java/fr/zcraft/zlib/components/i18n/I.java

@@ -87,6 +87,16 @@ public static String t(String text, Object... parameters)
     {
         return I18n.translate(null, null, text, null, null, parameters);
     }
+
+    public static String tl(Locale locale, LazyTranslation text, Object... parameters)
+    {
+        return I18n.translate(locale, text, parameters);
+    }
+
+    public static String tl(LazyTranslation text, Object... parameters)
+    {
+        return tl(null, text, parameters);
+    }
 
     /**
      * Translates the string with a plural.
@@ -304,5 +314,24 @@ public static void sendTcn(Player player, String context, String singular, Strin
     {
         player.sendMessage(I18n.translate(I18n.getPlayerLocale(player), context, singular, plural, count, parameters));
     }
+
+    public static LazyTranslation l(String messageId)
+    {
+        return lcn(null, messageId, null, null);
+    }
 
+    public static LazyTranslation ln(String messageId, String pluralMessageId, Integer count)
+    {
+        return lcn(null, messageId, pluralMessageId, count);
+    }
+
+    public static LazyTranslation lc(String messageId, Integer count)
+    {
+        return lcn(null, messageId, null, count);
+    }
+
+    public static LazyTranslation lcn(String context, String messageId, String pluralMessageId, Integer count)
+    {
+        return new LazyTranslation(messageId, pluralMessageId, count, context);
+    }
 }