wip: account refactor

HMCLCore/src/main/java/org/jackhuang/hmcl/util/javafx/ExtendedProperties.java

@@ -1,6 +1,6 @@
 /*
  * Hello Minecraft! Launcher
- * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,6 +22,7 @@ import javafx.beans.WeakInvalidationListener;
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.Property;
 import javafx.collections.ObservableList;
+import javafx.scene.Node;
 import javafx.scene.control.*;
 
 import java.util.Objects;
@@ -30,6 +31,7 @@ import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
 import java.util.function.Function;
 
+import static javafx.beans.binding.Bindings.createBooleanBinding;
 import static org.jackhuang.hmcl.util.Pair.pair;
 
 /**
@@ -130,6 +132,28 @@ public final class ExtendedProperties {
     }
     // ====
 
+    // ==== General ====
+    @SuppressWarnings("unchecked")
+    public static ObjectProperty<Boolean> classPropertyFor(Node node, String cssClass) {
+        return (ObjectProperty<Boolean>) node.getProperties().computeIfAbsent(
+                PROP_PREFIX + ".cssClass." + cssClass,
+                any -> {
+                    ObservableList<String> classes = node.getStyleClass();
+                    return new ReadWriteComposedProperty<>(node, "extra.cssClass." + cssClass,
+                            createBooleanBinding(() -> classes.contains(cssClass), classes),
+                            state -> {
+                                if (state) {
+                                    if (!classes.contains(cssClass)) {
+                                        classes.add(cssClass);
+                                    }
+                                } else {
+                                    classes.remove(cssClass);
+                                }
+                            });
+                });
+    }
+    // ====
+
     private ExtendedProperties() {
     }
 }