From da6ea537adb2cb1abf7fe63187398615871670c7 Mon Sep 17 00:00:00 2001
From: Allan Wang <me@allanwang.ca>
Date: Wed, 14 Jun 2017 16:31:34 -0700
Subject: Add postgetter and setter

---
 library/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt         | 5 ++++-
 library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefDelegate.kt | 3 ++-
 2 files changed, 6 insertions(+), 2 deletions(-)

(limited to 'library')

diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt
index add79b9..7fd8955 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt
@@ -21,7 +21,8 @@ open class KPref {
 
     internal val sp: SharedPreferences by lazy {
         if (!initialized) throw KPrefException("KPref object has not yet been initialized; please initialize it with a context and preference name")
-        c.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE) }
+        c.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE)
+    }
 
     internal val prefMap: MutableMap<String, KPrefDelegate<*>> = mutableMapOf()
 
@@ -29,4 +30,6 @@ open class KPref {
         prefMap.values.forEach { it.invalidate() }
     }
 
+    operator fun get(key: String): KPrefDelegate<*>? = prefMap[key]
+
 }
\ No newline at end of file
diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefDelegate.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefDelegate.kt
index 5c6caa9..fe67ecc 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefDelegate.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefDelegate.kt
@@ -15,7 +15,7 @@ fun KPref.kpref(key: String, fallback: String): KPrefDelegate<String> = KPrefDel
 
 class StringSet(set: Collection<String>) : LinkedHashSet<String>(set)
 
-class KPrefDelegate<T : Any> internal constructor(private val key: String, private val fallback: T, private val pref: KPref, lock: Any? = null) : Lazy<T>, java.io.Serializable {
+class KPrefDelegate<T : Any> internal constructor(private val key: String, private val fallback: T, private val pref: KPref, lock: Any? = null, var postSetter: (value: T) -> Unit = {}) : Lazy<T>, java.io.Serializable {
 
     @Volatile private var _value: Any = UNINITIALIZED
     private val lock = lock ?: this
@@ -75,6 +75,7 @@ class KPrefDelegate<T : Any> internal constructor(private val key: String, priva
             else -> throw KPrefException(t)
         }
         editor.apply()
+        postSetter.invoke(t)
     }
 }
 
-- 
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