From ff2e24dbabe050489dfd080b8331c91478810643 Mon Sep 17 00:00:00 2001
From: Darkempire <50015928+Darkempire78@users.noreply.github.com>
Date: Fri, 28 Jul 2023 17:13:34 +0200
Subject: [PATCH]  add an option to disable history? #294

---
 .../opencalculator/MainActivity.kt            | 27 +++++++++++++++++--
 app/src/main/res/values/arrays.xml            |  2 ++
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/com/darkempire78/opencalculator/MainActivity.kt b/app/src/main/java/com/darkempire78/opencalculator/MainActivity.kt
index a30cbea3..fed0a8b8 100644
--- a/app/src/main/java/com/darkempire78/opencalculator/MainActivity.kt
+++ b/app/src/main/java/com/darkempire78/opencalculator/MainActivity.kt
@@ -111,6 +111,18 @@ class MainActivity : AppCompatActivity() {
             binding.historyRecylcleView.scrollToPosition(historyAdapter.itemCount - 1)
         }
 
+        // Disable history if setting enabled
+        val historySize = MyPreferences(this).historySize!!.toInt()
+        if (historySize == 0) {
+            binding.historyRecylcleView.visibility = View.GONE
+            binding.slidingLayoutButton.visibility = View.GONE
+            binding.slidingLayout.isEnabled = false
+        } else {
+            binding.historyRecylcleView.visibility = View.VISIBLE
+            binding.slidingLayoutButton.visibility = View.VISIBLE
+            binding.slidingLayout.isEnabled = true
+        }
+
         binding.slidingLayout.addPanelSlideListener(object : PanelSlideListener {
             override fun onPanelSlide(panel: View, slideOffset: Float) {
                 if (slideOffset == 0f) { // If the panel got collapsed
@@ -865,7 +877,7 @@ class MainActivity : AppCompatActivity() {
                                 // Remove former results if > historySize preference
                                 val historySize =
                                     MyPreferences(this@MainActivity).historySize!!.toInt()
-                                while (historySize > 0 && historyAdapter.itemCount >= historySize) {
+                                while (historySize != -1 && historyAdapter.itemCount >= historySize && historyAdapter.itemCount > 0) {
                                     historyAdapter.removeFirstHistoryElement()
                                 }
 
@@ -1049,7 +1061,7 @@ class MainActivity : AppCompatActivity() {
         // Remove former results if > historySize preference
         // Remove from the RecycleView
         val historySize = MyPreferences(this@MainActivity).historySize!!.toInt()
-        while (historySize > 0 && historyAdapter.itemCount >= historySize) {
+        while (historySize != -1 && historyAdapter.itemCount >= historySize && historyAdapter.itemCount > 0) {
             historyAdapter.removeFirstHistoryElement()
         }
         // Remove from the preference store data
@@ -1059,6 +1071,17 @@ class MainActivity : AppCompatActivity() {
         }
         MyPreferences(this@MainActivity).saveHistory(this@MainActivity, history)
 
+        // Disable history if setting enabled
+        if (historySize == 0) {
+            binding.historyRecylcleView.visibility = View.GONE
+            binding.slidingLayoutButton.visibility = View.GONE
+            binding.slidingLayout.isEnabled = false
+        } else {
+            binding.historyRecylcleView.visibility = View.VISIBLE
+            binding.slidingLayoutButton.visibility = View.VISIBLE
+            binding.slidingLayout.isEnabled = true
+        }
+
         // Disable the keyboard on display EditText
         binding.input.showSoftInputOnFocus = false
     }
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 85d33adc..e8c2b47b 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -1,6 +1,7 @@
 <resources>
     <!-- Reply Preference -->
     <string-array name="history_size_entries">
+        <item>0</item>
         <item>10</item>
         <item>20</item>
         <item>50</item>
@@ -12,6 +13,7 @@
     </string-array>
 
     <string-array name="history_size_values">
+        <item>0</item>
         <item>10</item>
         <item>20</item>
         <item>50</item>