From 94bf8ade2971d31b6577e4b5f79e267c43d96a75 Mon Sep 17 00:00:00 2001
From: caodd <caodd1993@gmail.com>
Date: Tue, 11 Sep 2018 14:59:18 +0800
Subject: [PATCH] fix bug : throw an exception when call
 ImmutableSingleDataSource's show() or hide()

---
 .../datasource/ImmutableSingleDataSource.kt   | 20 +++++++++++--------
 .../datasource/MutableSingleDataSource.kt     | 20 +++++++++++--------
 2 files changed, 24 insertions(+), 16 deletions(-)

diff --git a/easyadapter/src/main/java/com/github/caoddx/easyadapter/datasource/ImmutableSingleDataSource.kt b/easyadapter/src/main/java/com/github/caoddx/easyadapter/datasource/ImmutableSingleDataSource.kt
index b2dd1cc..f7e1bfb 100644
--- a/easyadapter/src/main/java/com/github/caoddx/easyadapter/datasource/ImmutableSingleDataSource.kt
+++ b/easyadapter/src/main/java/com/github/caoddx/easyadapter/datasource/ImmutableSingleDataSource.kt
@@ -7,6 +7,16 @@ class ImmutableSingleDataSource<T>(val data: T) : SingleDataSource<T> {
     override var group: SingleGroup<T>? = null
 
     var visible: Boolean = true
+        set(value) {
+            if (field && !value) {
+                field = value
+                group?.notifyDataSetChanged(1)
+            }
+            if (!field && value) {
+                field = value
+                group?.notifyDataSetChanged(0)
+            }
+        }
 
     override fun haveData(): Boolean {
         return visible
@@ -17,16 +27,10 @@ class ImmutableSingleDataSource<T>(val data: T) : SingleDataSource<T> {
     }
 
     fun show() {
-        if (!visible) {
-            visible = true
-            group?.notifyDataSetChanged(1)
-        }
+        visible = true
     }
 
     fun hide() {
-        if (visible) {
-            visible = false
-            group?.notifyDataSetChanged(0)
-        }
+        visible = false
     }
 }
\ No newline at end of file
diff --git a/easyadapter/src/main/java/com/github/caoddx/easyadapter/datasource/MutableSingleDataSource.kt b/easyadapter/src/main/java/com/github/caoddx/easyadapter/datasource/MutableSingleDataSource.kt
index 6d30609..1cf6379 100644
--- a/easyadapter/src/main/java/com/github/caoddx/easyadapter/datasource/MutableSingleDataSource.kt
+++ b/easyadapter/src/main/java/com/github/caoddx/easyadapter/datasource/MutableSingleDataSource.kt
@@ -15,6 +15,16 @@ class MutableSingleDataSource<T>(initData: T) : SingleDataSource<T> {
         }
 
     var visible: Boolean = true
+        set(value) {
+            if (field && !value) {
+                field = value
+                group?.notifyDataSetChanged(1)
+            }
+            if (!field && value) {
+                field = value
+                group?.notifyDataSetChanged(0)
+            }
+        }
 
     override fun haveData(): Boolean {
         return visible
@@ -25,16 +35,10 @@ class MutableSingleDataSource<T>(initData: T) : SingleDataSource<T> {
     }
 
     fun show() {
-        if (!visible) {
-            visible = true
-            group?.notifyDataSetChanged(0)
-        }
+        visible = true
     }
 
     fun hide() {
-        if (visible) {
-            visible = false
-            group?.notifyDataSetChanged(1)
-        }
+        visible = false
     }
 }
\ No newline at end of file