LunaEvent: add sleep event

app/src/main/java/it/danieleverducci/lunatracker/MainActivity.kt

@@ -373,6 +373,7 @@ class MainActivity : AppCompatActivity() {
     }
 
     fun addSleepEvent(event: LunaEvent) {
+        setToPreviousQuantity(event)
         askSleepValue(event) { saveEvent(event) }
     }
 
@@ -387,6 +388,7 @@ class MainActivity : AppCompatActivity() {
         val toTextView = dialogView.findViewById<TextView>(R.id.dialog_date_to)
         val durationTextView = dialogView.findViewById<TextView>(R.id.dialog_date_duration)
 
+        val currentDurationTextColor = durationTextView.currentTextColor
         var pickedFromTime = Calendar.getInstance()
         var pickedToTime = Calendar.getInstance()
 
@@ -394,7 +396,7 @@ class MainActivity : AppCompatActivity() {
             if (fromSeconds < toSeconds) {
                 val durationSeconds = toSeconds - fromSeconds
                 // sleep between 0 seconds and 12 hours
-                return durationSeconds > 0 && durationSeconds < (12 * 60 * 60)
+                return durationSeconds > 59 && durationSeconds < (12 * 60 * 60)
             } else {
                 return false
             }
@@ -404,11 +406,12 @@ class MainActivity : AppCompatActivity() {
             val fromSeconds = pickedFromTime.time.time / 1000
             val toSeconds = pickedToTime.time.time / 1000
 
-            durationTextView.text = DateUtils.formatTimeDuration(applicationContext, toSeconds - fromSeconds)
+            val invalidDateText = getString(R.string.toast_date_error)
+            durationTextView.text = DateUtils.formatTimeDuration(applicationContext, toSeconds - fromSeconds, invalidDateText)
 
             if (isValidTime(fromSeconds, toSeconds)) {
                 // valid duration: set default color
-                durationTextView.setTextColor(durationTextView.textColors.defaultColor)
+                durationTextView.setTextColor(currentDurationTextColor)
             } else {
                 // invalid duration: set danger color
                 durationTextView.setTextColor(ContextCompat.getColor(this, R.color.danger))
@@ -418,6 +421,8 @@ class MainActivity : AppCompatActivity() {
         pickedFromTime = datePickerHelper(event.time, fromTextView, onDateChange)
         pickedToTime = datePickerHelper(event.time + event.quantity, toTextView, onDateChange)
 
+        onDateChange()
+
         d.setPositiveButton(android.R.string.ok) { dialogInterface, i ->
             val fromSeconds = pickedFromTime.time.time / 1000
             val toSeconds = pickedToTime.time.time / 1000
@@ -426,10 +431,10 @@ class MainActivity : AppCompatActivity() {
                 event.time = fromSeconds
                 event.quantity = (toSeconds - fromSeconds).toInt()
                 onPositive()
+                dialogInterface.dismiss()
             } else {
                 Toast.makeText(this, R.string.toast_date_error, Toast.LENGTH_SHORT).show()
             }
-            dialogInterface.dismiss()
         }
 
         d.setNegativeButton(android.R.string.cancel) { dialogInterface, i ->

app/src/main/java/utils/DateUtils.kt

@@ -13,6 +13,10 @@ class DateUtils {
          * Used for the duration to the next/previous event in the event details dialog.
          */
         fun formatTimeDuration(context: Context, secondsDiff: Long): String {
+            return formatTimeDuration(context, secondsDiff, context.getString(R.string.now))
+        }
+
+        fun formatTimeDuration(context: Context, secondsDiff: Long, fallbackText: String): String {
             var seconds = secondsDiff
 
             val years = (seconds / (365 * 24 * 60 * 60F)).toLong()
@@ -65,7 +69,7 @@ class DateUtils {
             } else if (minutes > 0) {
                 return format(minutes, seconds, R.string.minute_ago, R.string.minute_ago, R.string.second_ago, R.string.seconds_ago)
             } else {
-                return context.getString(R.string.now)
+                return fallbackText
             }
         }