add PropertyComponentBooleanValue for simple settings

GitOrigin-RevId: cef053369b4a0d6ceb2bc6d834aa560a0fd6ab9e

platform/util-ex/src/com/intellij/util/PropertyComponentBooleanValue.kt

@@ -0,0 +1,26 @@
+// Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package com.intellij.util
+
+import com.intellij.ide.util.PropertiesComponent
+import kotlin.reflect.KProperty
+
+/**
+ * Value to be used as a Kotlin delegate for non-roamable application-level settings.
+ *
+ * Example: `var myCoolSetting by PropertyComponentBooleanValue("my.cool.setting", true)`.
+ *
+ * @see PropertiesComponent
+ */
+class PropertyComponentBooleanValue(
+  private val name: String,
+  private val defaultValue: Boolean
+) {
+
+  operator fun getValue(thisRef: Any?, property: KProperty<*>): Boolean {
+    return PropertiesComponent.getInstance().getBoolean(name, defaultValue)
+  }
+
+  operator fun setValue(thisRef: Any?, property: KProperty<*>, value: Boolean) {
+    return PropertiesComponent.getInstance().setValue(name, value, defaultValue)
+  }
+}