implementing some adapter deleting

app/src/main/kotlin/com/simplemobiletools/clock/adapters/AlarmsAdapter.kt

@@ -7,6 +7,7 @@ import android.widget.RelativeLayout
 import com.simplemobiletools.clock.R
 import com.simplemobiletools.clock.activities.SimpleActivity
 import com.simplemobiletools.clock.extensions.config
+import com.simplemobiletools.clock.extensions.dbHelper
 import com.simplemobiletools.clock.extensions.getFormattedTime
 import com.simplemobiletools.clock.interfaces.ToggleAlarmInterface
 import com.simplemobiletools.clock.models.Alarm
@@ -67,16 +68,18 @@ class AlarmsAdapter(activity: SimpleActivity, var alarms: ArrayList<Alarm>, val
 
     private fun deleteItems() {
         val alarmsToRemove = ArrayList<Alarm>()
-        /*selectedPositions.sortedDescending().forEach {
-            val alarm = alarms[it]
-            alarmsToRemove.add(alarm)
+        val positions = getSelectedItemPositions()
+        getSelectedItems().forEach {
+            alarmsToRemove.add(it)
         }
 
         alarms.removeAll(alarmsToRemove)
-        removeSelectedItems()
-        activity.dbHelper.deleteAlarms(alarmsToRemove)*/
+        removeSelectedItems(positions)
+        activity.dbHelper.deleteAlarms(alarmsToRemove)
     }
 
+    private fun getSelectedItems() = alarms.filter { selectedKeys.contains(it.id) } as ArrayList<Alarm>
+
     private fun setupView(view: View, alarm: Alarm) {
         val isSelected = selectedKeys.contains(alarm.id)
         view.apply {

app/src/main/kotlin/com/simplemobiletools/clock/adapters/TimeZonesAdapter.kt

@@ -5,6 +5,7 @@ import android.view.View
 import android.view.ViewGroup
 import com.simplemobiletools.clock.R
 import com.simplemobiletools.clock.activities.SimpleActivity
+import com.simplemobiletools.clock.extensions.config
 import com.simplemobiletools.clock.extensions.getFormattedDate
 import com.simplemobiletools.clock.extensions.getFormattedTime
 import com.simplemobiletools.clock.models.MyTimeZone
@@ -69,22 +70,24 @@ class TimeZonesAdapter(activity: SimpleActivity, var timeZones: ArrayList<MyTime
     }
 
     private fun deleteItems() {
-        val timeZonesToRemove = ArrayList<MyTimeZone>()
-        val timeZoneIDsToRemove = ArrayList<String>()
-        /*selectedPositions.sortedDescending().forEach {
-            val timeZone = timeZones[it]
-            timeZonesToRemove.add(timeZone)
-            timeZoneIDsToRemove.add(timeZone.id.toString())
+        val timeZonesToRemove = ArrayList<MyTimeZone>(selectedKeys.size)
+        val timeZoneIDsToRemove = ArrayList<String>(selectedKeys.size)
+        val positions = getSelectedItemPositions()
+        getSelectedItems().forEach {
+            timeZonesToRemove.add(it)
+            timeZoneIDsToRemove.add(it.id.toString())
         }
 
         timeZones.removeAll(timeZonesToRemove)
-        removeSelectedItems()
+        removeSelectedItems(positions)
 
         val selectedTimeZones = activity.config.selectedTimeZones
         val newTimeZones = selectedTimeZones.filter { !timeZoneIDsToRemove.contains(it) }.toHashSet()
-        activity.config.selectedTimeZones = newTimeZones*/
+        activity.config.selectedTimeZones = newTimeZones
     }
 
+    private fun getSelectedItems() = timeZones.filter { selectedKeys.contains(it.id) } as ArrayList<MyTimeZone>
+
     private fun setupView(view: View, timeZone: MyTimeZone) {
         val currTimeZone = TimeZone.getTimeZone(timeZone.zoneName)
         val calendar = Calendar.getInstance(currTimeZone)