fix issue with filter display

app/src/main/java/net/pokeranalytics/android/model/Criteria.kt

@@ -120,7 +120,7 @@ sealed class Criteria {
             val objects = arrayListOf<S>()
             values.forEach {
                 objects.add((S::class.java.newInstance()).apply {
-                    intValues.add(it)
+                    intValues = arrayListOf(it)
                 })
             }
             return objects

app/src/main/java/net/pokeranalytics/android/model/filter/QueryCondition.kt

@@ -45,12 +45,16 @@ inline fun <reified T : Filterable> List<QueryCondition>.queryWith(query: RealmQ
 
 sealed class QueryCondition : FilterElementRow {
 
+    interface Valuable <T : ArrayList<T>> {
+        var values: ArrayList<T>?
+    }
+
     interface asListOfDouble { var doubleValues : ArrayList<Double> }
     interface asListOfBoolean { var booleanValues : ArrayList<Boolean> }
     interface asListOfString { var stringValues : ArrayList<String> }
     interface asDateValue {
         var dateValue: Date
-        var showTime: Boolean
+        val showTime: Boolean
     }
 
     interface asListOfInt : asListOfDouble {
@@ -61,13 +65,13 @@ sealed class QueryCondition : FilterElementRow {
 
     interface asIntValue : asListOfInt {
         var intValue: Int
-            get() { return intValues.first() }
+            get() { return intValues.firstOrNull() ?: 0 }
             set(value) { intValues = arrayListOf(value) }
     }
 
     interface asDoubleValue : asListOfDouble {
         var doubleValue : Double
-            get() { return doubleValues.first() }
+            get() { return doubleValues.firstOrNull() ?: 0.0 }
             set(value) { doubleValues = arrayListOf(value) }
     }
 
@@ -183,7 +187,7 @@ sealed class QueryCondition : FilterElementRow {
             get() {
                 if (intValues.size > 1) {
                     return "multiple"
-                } else {
+                } else if (intValues.size > 0) {
                     return Limit.values()[intValues.first()].longName
                 }
                 return "todo"
@@ -255,11 +259,11 @@ sealed class QueryCondition : FilterElementRow {
     // Dates
     open class DateQuery: QueryCondition(), asDateValue {
         override var dateValue: Date = Date()
-        override var showTime: Boolean = false
+        override val showTime: Boolean = false
     }
 
     open class TimeQuery: DateQuery() {
-        override var showTime: Boolean = true
+        override val showTime: Boolean = true
     }
 
     class STARTED_FROM_DATE: DateQuery()