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authorAllan Wang <me@allanwang.ca>2020-02-23 13:40:29 -0800
committerAllan Wang <me@allanwang.ca>2020-02-23 13:40:29 -0800
commit0e7e43f7f778a206b0b30c6997c7c36494e6c142 (patch)
tree4e3f13ac9eafdfd02f4f0f78e0d7575f8bea0bf5 /core
parentb35098bafd923d44bf751df2fce5f24cdad6f54b (diff)
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Add delete keys function
Diffstat (limited to 'core')
-rw-r--r--core/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt10
-rw-r--r--core/src/main/kotlin/ca/allanwang/kau/kpref/KPrefBuilder.kt6
2 files changed, 12 insertions, 4 deletions
diff --git a/core/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt b/core/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt
index a45d66d..7f75370 100644
--- a/core/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt
+++ b/core/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt
@@ -42,7 +42,7 @@ open class KPref private constructor(
internal val prefMap: MutableMap<String, ILazyResettable<*>> = mutableMapOf()
- fun add(entry : KPrefDelegate<*>) {
+ fun add(entry: KPrefDelegate<*>) {
if (prefMap.containsKey(entry.key))
throw KPrefException("${entry.key} is already used elsewhere in preference $preferenceName")
prefMap[entry.key] = entry
@@ -53,4 +53,12 @@ open class KPref private constructor(
}
operator fun get(key: String): ILazyResettable<*>? = prefMap[key]
+
+ /**
+ * Exposed key deletion function from builder.
+ * To avoid recursion, this type uses vararg
+ */
+ fun deleteKeys(vararg keys: String) {
+ deleteKeys(keys)
+ }
}
diff --git a/core/src/main/kotlin/ca/allanwang/kau/kpref/KPrefBuilder.kt b/core/src/main/kotlin/ca/allanwang/kau/kpref/KPrefBuilder.kt
index b8fb8ea..7a35ac2 100644
--- a/core/src/main/kotlin/ca/allanwang/kau/kpref/KPrefBuilder.kt
+++ b/core/src/main/kotlin/ca/allanwang/kau/kpref/KPrefBuilder.kt
@@ -71,7 +71,7 @@ interface KPrefBuilder {
/**
* Remove keys from pref so they revert to the default
*/
- fun KPref.deleteKeys(keys: Array<String>)
+ fun KPref.deleteKeys(keys: Array<out String>)
}
class KPrefBuilderAndroid(val sp: SharedPreferences) : KPrefBuilder {
@@ -143,7 +143,7 @@ class KPrefBuilderAndroid(val sp: SharedPreferences) : KPrefBuilder {
override fun KPref.kprefSingle(key: String) =
KPrefSingleDelegateAndroid(key, this, this@KPrefBuilderAndroid)
- override fun KPref.deleteKeys(keys: Array<String>) {
+ override fun KPref.deleteKeys(keys: Array<out String>) {
// Remove pref listing
sp.edit().apply {
keys.forEach { remove(it) }
@@ -179,7 +179,7 @@ object KPrefBuilderInMemory : KPrefBuilder {
override fun KPref.kprefSingle(key: String) = KPrefSingleDelegateInMemory(key, this)
- override fun KPref.deleteKeys(keys: Array<String>) {
+ override fun KPref.deleteKeys(keys: Array<out String>) {
// Clear cached values
keys.forEach { prefMap[it]?.invalidate() }
}