Better Games In Match Selection (#8098)

* Add GamesInMatch combo box selection to booster draft page

Also updated combo box default to be seeded with the stored preferences

* Working comboboxes for desktop version

* Working linked buttons on Mobile

* Add binder classes for preferences and other Model components

* Move to pref binders for mobile GUI

forge-gui/src/main/java/forge/model/FPrefsBinder.java

@@ -0,0 +1,56 @@
+package forge.model;
+
+import java.util.function.BiConsumer;
+import java.util.function.Function;
+
+import forge.localinstance.properties.ForgePreferences;
+
+/**
+ * Binds any GUI component to a Forge preference key
+ */
+
+public class FPrefsBinder<C, V> implements ModelBinder<ForgePreferences.FPref, C, V> {
+  private final ForgePreferences.FPref prefKey;
+  private final C component;
+
+  /** Extracts a value from the component */
+  private final Function<C, V> extractor;
+
+  /** Pushes a value back into the component */
+  private final BiConsumer<C, V> applier;
+
+  /** conversions between pref store value and component value */
+  private final Function<V, String> toString;
+  private final Function<String, V> fromString;
+
+  public FPrefsBinder(ForgePreferences.FPref prefKey,
+                    C component,
+                    Function<C, V> extractor,
+                    BiConsumer<C, V> applier,
+                    Function<V, String> toString,
+                    Function<String, V> fromString) {
+    this.prefKey = prefKey;
+    this.component = component;
+    this.extractor = extractor;
+    this.applier = applier;
+    this.toString = toString;
+    this.fromString = fromString;
+  }
+
+  public void load() {
+    ForgePreferences prefs = FModel.getPreferences();
+    String prefValue = prefs.getPref(prefKey);
+    if (prefValue != null) {
+      V value = fromString.apply(prefValue);
+      applier.accept(component, value);
+    }
+  }
+
+  public void save() {
+    ForgePreferences prefs = FModel.getPreferences();
+    V value = extractor.apply(component);
+    String prefValue = toString.apply(value);
+    prefs.setPref(prefKey, prefValue);
+    prefs.save();
+  }
+}

forge-gui/src/main/java/forge/model/ModelBinder.java

@@ -0,0 +1,10 @@
+package forge.model;
+
+/**
+ * Binds any GUI component to a Forge preference key
+ */
+
+public interface ModelBinder<K, C, V> {
+  public void load();
+  public void save();
+}