Allowing boards/libs types and categories to be translated. Fixes #3646

Author: Federico Fissore

app/src/cc/arduino/contributions/libraries/ui/DropdownLibraryOfCategoryItem.java

@@ -35,6 +35,8 @@
 
 import java.util.function.Predicate;
 
+import static processing.app.I18n.tr;
+
 public class DropdownLibraryOfCategoryItem implements DropdownItem<ContributedLibrary> {
 
   private final String category;
@@ -44,7 +46,7 @@ public DropdownLibraryOfCategoryItem(String category) {
   }
 
   public String toString() {
-    return category;
+    return tr(category);
   }
 
   @Override

app/src/cc/arduino/contributions/libraries/ui/DropdownLibraryOfTypeItem.java

@@ -35,6 +35,8 @@
 
 import java.util.function.Predicate;
 
+import static processing.app.I18n.tr;
+
 public class DropdownLibraryOfTypeItem implements DropdownItem<ContributedLibrary> {
 
   private final String type;
@@ -44,7 +46,7 @@ public DropdownLibraryOfTypeItem(String type) {
   }
 
   public String toString() {
-    return type;
+    return tr(type);
   }
 
   @Override

app/src/cc/arduino/contributions/packages/ui/DropdownCoreOfCategoryItem.java

@@ -35,6 +35,8 @@
 
 import java.util.function.Predicate;
 
+import static processing.app.I18n.tr;
+
 public class DropdownCoreOfCategoryItem implements DropdownItem<ContributedPlatform> {
 
   private final String category;
@@ -44,7 +46,7 @@ public DropdownCoreOfCategoryItem(String category) {
   }
 
   public String toString() {
-    return category;
+    return tr(category);
   }
 
   @Override

arduino-core/src/processing/app/I18n.java

@@ -19,6 +19,25 @@
 import java.util.ResourceBundle;
 
 public class I18n {
+
+  static {
+    tr("Arduino");
+    tr("Partner");
+    tr("Recommended");
+    tr("Contributed");
+
+    tr("Display");
+    tr("Communication");
+    tr("Signal Input/Output");
+    tr("Sensors");
+    tr("Device Control");
+    tr("Timing");
+    tr("Data Storage");
+    tr("Data Processing");
+    tr("Other");
+    tr("Uncategorized");
+  }
+
   // start using current locale but still allow using the dropdown list later
   private static ResourceBundle i18n;
 
@@ -87,7 +106,7 @@ public static String format(String fmt, Object... args) {
 
   /**
    * Does nothing.
-   * <p/>
+   * <p>
    * This method is an hack to extract words with gettext tool.
    */
   protected static void unusedStrings() {