Localizer: Adding associative values to controls

locale/en_US.txt

@@ -1,6 +1,9 @@
-app {
+# Main window
+app {
   title {
-    empty   PVB Emulator
-    loaded  {app.filename} - {app.title.empty}
+    default     PVB Emulator
+    mixed       {ctrl.number} {ctrl.filename} - {app.title.default}
+    number      {ctrl.number} {app.title.default}
+    rom         {ctrl.filename} - {app.title.default}
   }
 }

src/desktop/Main.java

@@ -9,10 +9,11 @@ public class Main {
     public static void main(String[] args) {
         var loc = new Localizer();
         loc.set(Util.textRead("locale/en_US.txt"));
-        loc.put("app.filename", "wario.vb");
         var window = new JFrame();
-        loc.add(window, "app.title.loaded");
-        window.setVisible(true);
+        loc.add(window, "app.title.mixed");
+        loc.put(window, "ctrl.filename", "wario.vb");
+        loc.put(window, "ctrl.number", "1");
+        System.out.println(window.getTitle());
     }
 
 }

src/desktop/util/Localizer.java

@@ -12,6 +12,7 @@ public class Localizer {
     // Instance fields
     private HashMap<Object, Object> controls; // Control mapping
     private HashMap<String, String> messages; // Message dictionary
+    private HashMap<Object, HashMap<String, String>> tags; // Control overrides
 
 
 
@@ -32,6 +33,7 @@ public class Localizer {
     public Localizer() {
         controls = new HashMap<Object, Object>();
         messages = new HashMap<String, String>();
+        tags     = new HashMap<Object, HashMap<String, String>>();
     }
 
 
@@ -70,6 +72,7 @@ public class Localizer {
 
         // Add the control to the collection
         controls.put(control, key);
+        tags    .put(control, new HashMap<String, String>());
         update();
         return true;
     }
@@ -79,6 +82,20 @@ public class Localizer {
         controls.clear();
     }
 
+    // Configure a control tag
+    public String put(Object control, String key, String value) {
+        if (controls.get(control) == null || key == null)
+            return null;
+        var tags = this.tags.get(control);
+        key = key.toLowerCase();
+        String ret = value == null ?
+            tags.remove(key) :
+            tags.put(key, value)
+        ;
+        update();
+        return ret;
+    }
+
     // Configure a dictionary entry
     public String put(String key, String value) {
         String ret = value == null ?
@@ -91,6 +108,7 @@ public class Localizer {
 
     // Remove a control from the collection
     public boolean remove(Object control) {
+        tags.remove(control);
         return controls.remove(control) != null;
     }
 
@@ -301,12 +319,12 @@ public class Localizer {
     ///////////////////////////////////////////////////////////////////////////
 
     // Process substitutions and escapes on a message for a given key
-    private String evaluate(String key) {
+    private String evaluate(Object control, String key) {
         String ret = messages.get(key.toLowerCase());
 
         // The topmost key does not exist in the dictionary
         if (ret == null)
-            return null;
+            return key;
 
         // Perform all substitutions
         outer: for (;;) {
@@ -333,7 +351,10 @@ public class Localizer {
 
                 // Determine the substitution
                        key   = new String(chars, start, x - start);
-                String value = messages.get(key.toLowerCase());
+                String lkey  = key.toLowerCase();
+                String value = tags.get(control).get(lkey);
+                if (value == null)
+                    value = messages.get(lkey);
                 if (value == null)
                     value = "\\{" + key + "\\}";
 
@@ -374,14 +395,14 @@ public class Localizer {
 
             // One string
             if (key instanceof String)
-                values = new String[] { evaluate((String) key) };
+                values = new String[] { evaluate(control, (String) key) };
 
             // Multiple strings
             else {
                 String[] keys = (String[]) key;
                 values = new String[keys.length];
                 for (int x = 0; x < keys.length; x++)
-                    values[x] = evaluate(keys[x]);
+                    values[x] = evaluate(control, keys[x]);
             }
 
             // Update the control's text