layout: replace menu icon with utf8 character

The three dot menu icosn looks odd when stretched
due to the dynamic menu feature. Thus replace it
with the hamburger menu character that looks better
when scaled.

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

@@ -155,7 +155,7 @@ class MainActivity : AppCompatActivity() {
             }
         }
 
-        // sort all event types by frequency and ordinal
+        // sort all event types by frequency or ordinal
         val eventTypesSorted = LunaEvent.Type.entries.toList().sortedWith(
             compareBy({ -1 * (eventTypeStats[it] ?: 0) }, { it.ordinal })
         ).filter { it != LunaEvent.Type.UNKNOWN }
@@ -276,7 +276,7 @@ class MainActivity : AppCompatActivity() {
         numberPicker.value = event.quantity / 10
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedTime = dateTimePicker(event.time, dateTV)
+        val pickedTime = datePickerHelper(event.time, dateTV)
 
         if (!showTime) {
             dateTV.visibility = View.GONE
@@ -314,7 +314,7 @@ class MainActivity : AppCompatActivity() {
         weightET.setText(event.quantity.toString())
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedTime = dateTimePicker(event.time, dateTV)
+        val pickedTime = datePickerHelper(event.time, dateTV)
 
         if (!showTime) {
             dateTV.visibility = View.GONE
@@ -365,7 +365,7 @@ class MainActivity : AppCompatActivity() {
         }
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedTime = dateTimePicker(event.time, dateTV)
+        val pickedTime = datePickerHelper(event.time, dateTV)
         if (!showTime) {
             dateTV.visibility = View.GONE
         }
@@ -389,8 +389,7 @@ class MainActivity : AppCompatActivity() {
         alertDialog.show()
     }
 
-    // Pick a date/time.
-    fun dateTimePicker(time: Long, dateTextView: TextView, onChange: (Long) -> Unit = {}): Calendar {
+    fun datePickerHelper(time: Long, dateTextView: TextView, onChange: (Long) -> Unit = {}): Calendar {
         dateTextView.text = DateUtils.formatDateTime(time)
 
         val dateTime = Calendar.getInstance()
@@ -425,79 +424,82 @@ class MainActivity : AppCompatActivity() {
         askSleepValue(event, true) { saveEvent(event) }
     }
 
-    fun askSleepValue(event: LunaEvent, showTime: Boolean, onPositive: () -> Unit) {
+    fun askSleepValue(event: LunaEvent, hideDurationButtons: Boolean, onPositive: () -> Unit) {
         val d = AlertDialog.Builder(this)
         val dialogView = layoutInflater.inflate(R.layout.dialog_edit_duration, null)
         d.setTitle(event.getDialogTitle(this))
+        d.setMessage(event.getDialogMessage(this))
         d.setView(dialogView)
 
         val durationTextView = dialogView.findViewById<TextView>(R.id.dialog_date_duration)
-        val datePickerBegin = dialogView.findViewById<TextView>(R.id.dialog_date_picker_begin)
-        val datePickerEnd = dialogView.findViewById<TextView>(R.id.dialog_date_picker_end)
+        val datePicker = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
+        val durationButtons = dialogView.findViewById<LinearLayout>(R.id.duration_buttons)
+        val durationNowButton = dialogView.findViewById<Button>(R.id.dialog_date_duration_now)
+        val durationMinus5Button = dialogView.findViewById<Button>(R.id.dialog_date_duration_minus5)
+        val durationPlus5Button = dialogView.findViewById<Button>(R.id.dialog_date_duration_plus5)
 
         val currentDurationTextColor = durationTextView.currentTextColor
         val invalidDurationTextColor = ContextCompat.getColor(this, R.color.danger)
 
-        // in seconds
-        var sleepStart = event.time
-        var sleepEnd = event.time + event.quantity
+        var duration = event.quantity
 
-        fun isValidTimeSpan(timeBeginUnix: Long, timeEndUnix: Long): Boolean {
+        fun isValidTime(timeSeconds: Long, durationSeconds: Int): Boolean {
             val now = System.currentTimeMillis() / 1000
-            return (timeBeginUnix > 0)
-                && (timeEndUnix > 0)
-                && (timeBeginUnix <= timeEndUnix)
-                && (timeBeginUnix <= now)
-                && (timeEndUnix <= now)
-                && (timeEndUnix - timeBeginUnix) < (24 * 60 * 60)
+            return (timeSeconds + durationSeconds) <= now && durationSeconds < (24 * 60 * 60)
         }
 
-        // prevent printing of seconds
-        fun adjustToMinute(unixTime: Long): Long {
-            return unixTime - (unixTime % 60)
-        }
-
-        fun updateDuration() {
+        val onDateChange = { time: Long ->
             durationTextView.setTextColor(currentDurationTextColor)
-            val duration = sleepEnd - sleepStart
-            if (duration == 0L) {
+
+            if (duration == 0) {
                 // baby is sleeping
                 durationTextView.text = "💤"
             } else {
-                durationTextView.text = DateUtils.formatTimeDuration(applicationContext, duration)
-                if (!isValidTimeSpan(sleepStart, sleepEnd)) {
+                durationTextView.text = DateUtils.formatTimeDuration(applicationContext, duration.toLong())
+                if (!isValidTime(time, duration)) {
                     durationTextView.setTextColor(invalidDurationTextColor)
                 }
             }
         }
 
-        val pickedDateTimeBegin = dateTimePicker(event.time, datePickerBegin) { time: Long ->
-            sleepStart = adjustToMinute(time)
-            updateDuration()
-        }
+        val pickedDateTime = datePickerHelper(event.time, datePicker, onDateChange)
 
-        val pickedDateTimeEnd = dateTimePicker(event.time + event.quantity, datePickerEnd) { time: Long ->
-            sleepEnd = adjustToMinute(time)
-            updateDuration()
-        }
+        onDateChange(pickedDateTime.time.time / 1000)
 
-        sleepStart = adjustToMinute(pickedDateTimeBegin.time.time / 1000)
-        sleepEnd = adjustToMinute(pickedDateTimeEnd.time.time / 1000)
-        updateDuration()
-
-        if (showTime) {
-            datePickerEnd.visibility = View.GONE
-            durationTextView.visibility = View.GONE
-            //d.setMessage("")
+        if (hideDurationButtons) {
+            durationButtons.visibility = View.GONE
+            d.setMessage(getString(R.string.log_sleep_dialog_description_start))
         } else {
-            durationTextView.visibility = View.VISIBLE
+            durationButtons.visibility = View.VISIBLE
             d.setMessage(event.getDialogMessage(this))
+
+            fun adjust(minutes: Int) {
+                duration += minutes * 60
+                if (duration < 0) {
+                    duration = 0
+                }
+                onDateChange(pickedDateTime.time.time / 1000)
+            }
+
+            durationMinus5Button.setOnClickListener { adjust(-5) }
+            durationPlus5Button.setOnClickListener { adjust(5) }
+
+            durationNowButton.setOnClickListener {
+                val now = System.currentTimeMillis() / 1000
+                val start = pickedDateTime.time.time / 1000
+                if (now > start) {
+                    duration = (now - start).toInt()
+                    duration -= duration % 60 // prevent printing of seconds
+                    onDateChange(pickedDateTime.time.time / 1000)
+                }
+            }
         }
 
         d.setPositiveButton(android.R.string.ok) { dialogInterface, i ->
-            if (isValidTimeSpan(sleepStart, sleepEnd)) {
-                event.time = sleepStart
-                event.quantity = (sleepEnd - sleepStart).toInt()
+            val time = pickedDateTime.time.time / 1000
+            if (isValidTime(time, duration)) {
+                event.time = time
+                event.quantity = duration
                 onPositive()
             } else {
                 Toast.makeText(this, R.string.toast_date_error, Toast.LENGTH_SHORT).show()
@@ -535,7 +537,7 @@ class MainActivity : AppCompatActivity() {
         spinner.setSelection(event.quantity.coerceIn(0, spinner.count - 1))
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedTime = dateTimePicker(event.time, dateTV)
+        val pickedTime = datePickerHelper(event.time, dateTV)
         if (!showTime) {
             dateTV.visibility = View.GONE
         }
@@ -568,7 +570,7 @@ class MainActivity : AppCompatActivity() {
         d.setView(dialogView)
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedDateTime = dateTimePicker(event.time, dateTV)
+        val pickedDateTime = datePickerHelper(event.time, dateTV)
         if (!showTime) {
             dateTV.visibility = View.GONE
         }
@@ -603,7 +605,7 @@ class MainActivity : AppCompatActivity() {
         val qtyET = dialogView.findViewById<EditText>(R.id.notes_qty_edittext)
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedTime = dateTimePicker(event.time, dateTV)
+        val pickedTime = datePickerHelper(event.time, dateTV)
 
         if (!showTime) {
             dateTV.visibility = View.GONE
@@ -815,7 +817,7 @@ class MainActivity : AppCompatActivity() {
             quantityTextView.text = NumericUtils(this).formatEventQuantity(event)
             notesTextView.text = event.notes
             if (event.type == LunaEvent.Type.SLEEP && event.quantity > 0) {
-                dateEndTextView.text = DateUtils.formatDateTime(event.getEndTime())
+                dateEndTextView.text = DateUtils.formatDateTime(event.time + event.quantity)
                 dateEndTextView.visibility = View.VISIBLE
             } else {
                 dateEndTextView.visibility = View.GONE
@@ -829,7 +831,7 @@ class MainActivity : AppCompatActivity() {
         }
         updateValues()
 
-        dateTimePicker(event.time, dateTextView, { newTime: Long ->
+        datePickerHelper(event.time, dateTextView, { newTime: Long ->
             event.time = newTime
             updateValues()
         })
@@ -873,7 +875,7 @@ class MainActivity : AppCompatActivity() {
         val previousEvent = getPreviousSameEvent(event, allEvents)
         if (previousEvent != null) {
             val emoji = previousEvent.getHeaderEmoji(applicationContext)
-            val time = DateUtils.formatTimeDuration(applicationContext, event.getStartTime() - previousEvent.getEndTime())
+            val time = DateUtils.formatTimeDuration(applicationContext, event.time - previousEvent.time)
             previousTextView.text = String.format("⬅️ %s %s", emoji, time)
             previousTextView.setOnClickListener {
                 alertDialog.cancel()
@@ -888,7 +890,7 @@ class MainActivity : AppCompatActivity() {
         val nextEvent = getNextSameEvent(event, allEvents)
         if (nextEvent != null) {
             val emoji = nextEvent.getHeaderEmoji(applicationContext)
-            val time = DateUtils.formatTimeDuration(applicationContext, nextEvent.getStartTime() - event.getEndTime())
+            val time = DateUtils.formatTimeDuration(applicationContext, nextEvent.time - event.time)
             nextTextView.text = String.format("%s %s ➡️", time, emoji)
             nextTextView.setOnClickListener {
                 alertDialog.cancel()

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

@@ -12,12 +12,14 @@ import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.graphics.toColorInt
 import com.github.mikephil.charting.charts.BarChart
+import com.github.mikephil.charting.components.YAxis
 import com.github.mikephil.charting.data.BarData
 import com.github.mikephil.charting.data.BarDataSet
 import com.github.mikephil.charting.data.BarEntry
 import com.github.mikephil.charting.data.Entry
 import com.github.mikephil.charting.formatter.ValueFormatter
 import com.github.mikephil.charting.highlight.Highlight
+import com.github.mikephil.charting.interfaces.datasets.IBarDataSet
 import com.github.mikephil.charting.listener.OnChartValueSelectedListener
 import it.danieleverducci.lunatracker.entities.LunaEvent
 import utils.DateUtils
@@ -26,6 +28,7 @@ import java.text.SimpleDateFormat
 import java.util.Calendar
 import java.util.Date
 import java.util.Locale
+import kotlin.math.abs
 import kotlin.math.max
 import kotlin.math.min
 
@@ -45,7 +48,8 @@ class StatisticsActivity : AppCompatActivity() {
         BOTTLE_SUM,
         SLEEP_SUM,
         SLEEP_EVENTS,
-        SLEEP_PATTERN
+        SLEEP_PATTERN,
+        MEDICINE_EVENTS
     }
 
     enum class TimeRange {
@@ -135,6 +139,124 @@ class StatisticsActivity : AppCompatActivity() {
         }
     }
 
+    fun resetBarChart() {
+        barChart.fitScreen()
+        barChart.data?.clearValues()
+        barChart.xAxis.valueFormatter = null
+        barChart.notifyDataSetChanged()
+        barChart.clear()
+        barChart.invalidate()
+/*
+        barChart.setBackgroundColor(Color.WHITE)
+        //barChart.description.text = logbookName
+        barChart.setDrawValueAboveBar(false)
+
+        barChart.axisLeft.setAxisMinimum(0F)
+        barChart.axisLeft.setDrawGridLines(false)
+        barChart.axisLeft.setDrawLabels(false)
+
+        barChart.axisRight.setDrawGridLines(false)
+        barChart.axisRight.setDrawLabels(false)
+
+        //barChart.xAxis.setDrawGridLines(true)
+        barChart.xAxis.setDrawLabels(true)
+        barChart.xAxis.setDrawAxisLine(false)
+
+        barChart.xAxis.setCenterAxisLabels(true)
+        barChart.setScaleEnabled(false)
+        //barChart.isScaleXEnabled = false
+        //barChart.isScaleYEnabled = true
+*/
+        // for debugging
+        Log.d(TAG, "resetBarChart; barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}, barChart.visibleXRange: ${barChart.visibleXRange}, barChart.xAxis.isCenterAxisLabelsEnabled: ${barChart.xAxis.isCenterAxisLabelsEnabled}, barChart.isAutoScaleMinMaxEnabled: ${barChart.isAutoScaleMinMaxEnabled}, barChart.isScaleXEnabled: ${barChart.isScaleXEnabled}, barChart.isScaleYEnabled: ${barChart.isScaleYEnabled}")
+    }
+
+    fun showMedicineBarGraph(state: GraphState) {
+        val values = HashMap<String, ArrayList<BarEntry>>()
+        val days = state.endSpan - state.startSpan + 1
+
+        for (event in state.events) {
+            val index = unixToSpan(event.time) - state.startSpan
+            val key = event.notes.trim().lowercase()
+            val array = values.getOrPut(key) {
+                // create initial array with 0
+                ArrayList(List(days) { BarEntry(it.toFloat(), 0F) })
+            }
+
+            array[index].y += 1F
+        }
+
+        Log.d(TAG, "values.size: ${values.size}, days: $days")
+        for ((key, value) in values) {
+            Log.d(TAG, "key: $key, value.size: ${value.size} ,value: ${value.joinToString { it.y.toLong().toString() }}")
+        }
+
+        // make sure legend names are not too long
+        fun shorten(notes: String): String {
+            return if (notes.length > 16) {
+                notes.take(13) + "..."
+            } else {
+                notes
+            }
+        }
+
+        fun chooseColor(notes: String): Int {
+            return (abs(notes.hashCode()) * 16777215) or (0xFF shl 24)
+        }
+
+        val sets = arrayListOf<IBarDataSet>()
+        for ((key, array) in values.entries) {
+            val description = shorten(key)
+            Log.d(TAG, "key: $key")
+            val barDataSet = BarDataSet(array, description)
+            barDataSet.color = chooseColor(key)
+            sets.add(barDataSet)
+        }
+
+        val data = BarData(sets)
+        //data.groupBars(0F, 0.2F, 0.1F);
+        //data.setValueTextSize(12f)
+        //data.barWidth = 1F
+        //data.groupBars(0F, 1F, 1F)
+
+        data.setValueFormatter(object : ValueFormatter() {
+            override fun getFormattedValue(value: Float): String {
+                return if (value == 0F) {
+                    ""
+                } else {
+                    value.toInt().toString()
+                }
+            }
+        })
+
+        barChart.setOnChartValueSelectedListener(object : OnChartValueSelectedListener {
+            override fun onValueSelected(e: Entry?, h: Highlight?) {
+                Log.d(TAG, "onValueSelected ${e == null} ${h == null}")
+                if (e == null || h == null) {
+                    return
+                }
+
+                val index = e.x.toInt()
+                if (index !in 0..values.size) {
+                    return
+                }
+
+                Log.d(TAG, "index: $index")
+            }
+            override fun onNothingSelected() {}
+        })
+
+        data.setValueTextSize(12f)
+        barChart.setData(data)
+
+        barChart.legend.isEnabled = true
+        val valueCount = min(days, 24)
+        barChart.setVisibleXRangeMaximum(valueCount.toFloat())
+        barChart.xAxis.setLabelCount(valueCount)
+        barChart.xAxis.setCenterAxisLabels(false)
+        barChart.invalidate()
+    }
+
     data class SleepRange(val start: Long, var end: Long)
 
     fun toSleepRanges(events: List<LunaEvent>): ArrayList<SleepRange> {
@@ -183,6 +305,7 @@ class StatisticsActivity : AppCompatActivity() {
             var mid = begin
 
             //Log.d(TAG, "stackValuePattern: ${beginDays}..${endDays}")
+
             for (i in beginDays..endDays) {
                 // i is the days/weeks/months since unix epoch
                 val dayBegin = daysToUnix(i)
@@ -196,7 +319,7 @@ class StatisticsActivity : AppCompatActivity() {
                     val iBegin = (sleepBegin - dayBegin) / SLEEP_PATTERN_GRANULARITY
                     val iEnd = iBegin + (sleepEnd - sleepBegin) / SLEEP_PATTERN_GRANULARITY
                     //Log.d(TAG, "index: $index, iBegin: $iBegin, iEnd: $iEnd, dayBegin: ${Date(dayBegin * 1000)}, dayEnd: ${Date(dayEnd * 1000)}, sleepBegin: ${Date(sleepBegin * 1000)}, sleepEnd: ${Date(sleepEnd * 1000)}")
-                    for (j in iBegin..<iEnd) {
+                    for (j in iBegin..iEnd) {
                         stack[index][j.toInt()] += 1
                     }
                 }
@@ -274,7 +397,7 @@ class StatisticsActivity : AppCompatActivity() {
 
             //Log.d(TAG, "Range $index, vals: ${vals.joinToString { it.toInt().toString() }}") //, allColors: ${allColors.joinToString { it.toString() }}")
 
-            //Log.d(TAG, "index: ${index.toFloat()}")
+            Log.d(TAG, "index: ${index.toFloat()}")
             values.add(BarEntry(index.toFloat(), vals.toFloatArray()))
         }
 
@@ -356,14 +479,31 @@ class StatisticsActivity : AppCompatActivity() {
 
         set1.setDrawIcons(false)
 
-        //Log.d(TAG, "showSleepPatternBarGraphSlotted; barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}, barChart.visibleXRange: ${barChart.visibleXRange}, barChart.xAxis.isCenterAxisLabelsEnabled: ${barChart.xAxis.isCenterAxisLabelsEnabled}, barChart.isAutoScaleMinMaxEnabled: ${barChart.isAutoScaleMinMaxEnabled}, barChart.isScaleXEnabled: ${barChart.isScaleXEnabled}, barChart.isScaleYEnabled: ${barChart.isScaleYEnabled}")
+        //barChart.legend.isEnabled = false
+/*
+        val valueCount = min(values.size, 24)
+        barChart.setVisibleXRangeMaximum(valueCount.toFloat())
 
+        barChart.xAxis.setLabelCount(valueCount)
+*/
+Log.d(TAG, "showSleepPatternBarGraphSlotted; barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}, barChart.visibleXRange: ${barChart.visibleXRange}, barChart.xAxis.isCenterAxisLabelsEnabled: ${barChart.xAxis.isCenterAxisLabelsEnabled}, barChart.isAutoScaleMinMaxEnabled: ${barChart.isAutoScaleMinMaxEnabled}, barChart.isScaleXEnabled: ${barChart.isScaleXEnabled}, barChart.isScaleYEnabled: ${barChart.isScaleYEnabled}")
+
+//barChart.minimumWidth
+
+        //barChart.isAutoScaleMinMaxEnabled = true
+
+        //barChart.setScaleEnabled(true)
+        //barChart.fitScreen()
+
+//debugBarValues(values)
+
+        //barChart.xAxis.setLabelCount(min(values.size, 24))
         data.setValueTextSize(12f)
         barChart.setData(data)
+        Log.d(TAG, "xChartMax: ${barChart.xChartMax}")
+        barChart.centerViewTo(barChart.xChartMax, 0F, YAxis.AxisDependency.RIGHT)
 
         // does not work quite right yet
-        //Log.d(TAG, "xChartMax: ${barChart.xChartMax}")
-        //barChart.centerViewTo(barChart.xChartMax, 0F, YAxis.AxisDependency.LEFT)
 
         barChart.legend.isEnabled = false
         val valueCount = min(values.size, 24)
@@ -371,6 +511,9 @@ class StatisticsActivity : AppCompatActivity() {
         barChart.xAxis.setLabelCount(valueCount)
         barChart.xAxis.setCenterAxisLabels(false)
         barChart.invalidate()
+
+
+        //barChart.moveViewToX(77F) //values.lastOrNull()!!.x)
     }
 
     // Sleep pattern bars that do not use time slots.
@@ -439,6 +582,8 @@ class StatisticsActivity : AppCompatActivity() {
         set1.setDrawValues(false) // usually too many values
         set1.isHighlightEnabled = true
 
+        //barChart.xAxis.setCenterAxisLabels(true)
+
         barChart.setOnChartValueSelectedListener(object : OnChartValueSelectedListener {
             override fun onValueSelected(e: Entry?, h: Highlight?) {
                 if (e == null || h == null) {
@@ -476,13 +621,20 @@ class StatisticsActivity : AppCompatActivity() {
 
             override fun onNothingSelected() {}
         })
-        //Log.d(TAG, "showSleepPatternBarGraphDaily: values.size: ${values.size}, barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}")
-        set1.setDrawIcons(false)
 
+
+        Log.d(TAG, "showSleepPatternBarGraphDaily: values.size: ${values.size}, barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}")
+
+        set1.setDrawIcons(false)
+        //barChart.legend.isEnabled = false
+
+        //val valueCount = min(values.size, 24)
+        //barChart.setVisibleXRangeMaximum(valueCount.toFloat())
+        //barChart.xAxis.setLabelCount(valueCount)
         data.setValueTextSize(12f)
         barChart.setData(data)
 
-        //Log.d(TAG, "showSleepPatternBarGraphDaily: new barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}")
+        Log.d(TAG, "showSleepPatternBarGraphDaily: new barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}")
 
         barChart.legend.isEnabled = false
         val valueCount = min(values.size, 24)
@@ -587,6 +739,7 @@ class StatisticsActivity : AppCompatActivity() {
 
             state.dayCounter.setDaysWithData(event.time, event.time)
 
+            values[index].x += values.size.toFloat()
             if (graphTypeSelection == GraphType.BOTTLE_EVENTS) {
                 values[index].y += 1F
             } else if (graphTypeSelection == GraphType.BOTTLE_SUM) {
@@ -599,7 +752,7 @@ class StatisticsActivity : AppCompatActivity() {
 
         for (index in values.indices) {
             val daysWithData = state.dayCounter.countDaysWithData(spanToUnix(state.startSpan + index), spanToUnix(state.startSpan + index + 1))
-            //Log.d(TAG, "values[$index].y: ${values[index].y}, daysWithData: $daysWithData")
+            //Log.d(TAG, "index: $index, daysWithData: $daysWithData")
             if (daysWithData == 0) {
                 assert(values[index].y == 0F)
             } else {
@@ -611,7 +764,13 @@ class StatisticsActivity : AppCompatActivity() {
 
         set1.setDrawValues(true)
         set1.isHighlightEnabled = false
+
+        //barChart.axisLeft.isSLEEP_PATTERN_GRANULARITYEnabled = true
+        //barChart.axisLeft.setSLEEP_PATTERN_GRANULARITY(0.8F)
+
         val data = BarData(set1)
+        //data.barWidth = 0.3F // 0.85 default // ratio of barWidth to totalWidth.
+        //Log.d(TAG, "data.barWidth: ${data.barWidth}")
 
         data.setValueFormatter(object : ValueFormatter() {
             override fun getFormattedValue(value: Float): String {
@@ -635,11 +794,14 @@ class StatisticsActivity : AppCompatActivity() {
         data.setValueTextSize(12f)
         barChart.setData(data)
 
+        //barChart.legend.isEnabled = false
         val valueCount = min(values.size, 24)
         barChart.setVisibleXRangeMaximum(valueCount.toFloat())
         barChart.xAxis.setLabelCount(valueCount)
         barChart.xAxis.setCenterAxisLabels(false)
         barChart.invalidate()
+
+        //barChart.moveViewToX(values.lastOrNull()!!.x)
     }
 
     class DayCounter(val startDays: Int, val stopDays: Int) {
@@ -672,25 +834,8 @@ class StatisticsActivity : AppCompatActivity() {
 
     data class GraphState(val events: List<LunaEvent>, val dayCounter: DayCounter, val startUnix: Long, val endUnix: Long, val startSpan: Int, val endSpan: Int)
 
-    fun showGraph() {
-        //Log.d(TAG, "showGraph: graphTypeSelection: $graphTypeSelection, timeRangeSelection: $timeRangeSelection")
-        barChart.fitScreen()
-        barChart.data?.clearValues()
-        barChart.xAxis.valueFormatter = null
-        barChart.notifyDataSetChanged()
-        barChart.clear()
-        barChart.invalidate()
-        //Log.d(TAG, "resetBarChart; barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}, barChart.visibleXRange: ${barChart.visibleXRange}, barChart.xAxis.isCenterAxisLabelsEnabled: ${barChart.xAxis.isCenterAxisLabelsEnabled}, barChart.isAutoScaleMinMaxEnabled: ${barChart.isAutoScaleMinMaxEnabled}, barChart.isScaleXEnabled: ${barChart.isScaleXEnabled}, barChart.isScaleYEnabled: ${barChart.isScaleYEnabled}")
-
-        val type = when (graphTypeSelection) {
-            GraphType.BOTTLE_EVENTS,
-            GraphType.BOTTLE_SUM -> LunaEvent.Type.BABY_BOTTLE
-            GraphType.SLEEP_EVENTS,
-            GraphType.SLEEP_SUM,
-            GraphType.SLEEP_PATTERN -> LunaEvent.Type.SLEEP
-        }
-
-
+    // wrapper for common graph setup
+    fun prepareGraph(type: LunaEvent.Type, callback: (GraphState) -> Unit) {
         val events = MainActivity.allEvents.filter { it.type == type }.sortedBy { it.time }
 
         if (events.isEmpty()) {
@@ -715,8 +860,6 @@ class StatisticsActivity : AppCompatActivity() {
         val endDays = unixToDays(spanToUnix(endSpan + 1)) // until end of next span
         val dayCounter = DayCounter(startDays, endDays)
 
-        //Log.d(TAG, "startUnix: ${Date(1000 * startUnix)}, endUnix: ${Date(1000 * endUnix)}, startSpan: ${Date(1000 * spanToUnix(startSpan))}, endSpan: ${Date(1000 * spanToUnix(endSpan))}, startDaysUnix: ${Date(daysToUnix(startDays) * 1000)}. endDaysUnix: ${Date(daysToUnix(endDays) * 1000)}")
-
         // print dates
         barChart.xAxis.valueFormatter = object: ValueFormatter() {
             override fun getFormattedValue(value: Float): String {
@@ -730,8 +873,6 @@ class StatisticsActivity : AppCompatActivity() {
                 val week = dateTime.get(Calendar.WEEK_OF_YEAR)
                 val day = dateTime.get(Calendar.DAY_OF_MONTH)
 
-                //Log.d(TAG, "index: $index, unixSeconds: ${Date(1000 * unixSeconds)}, day: $day, week: $week, month: $month, year: $year")
-
                 // Adjust years if the first week of a year starts in the previous year.
                 val years = if (month == 12 && week == 1) {
                     year + 1
@@ -751,20 +892,33 @@ class StatisticsActivity : AppCompatActivity() {
             }
         }
 
-        val state = GraphState(events, dayCounter, startUnix, endUnix, startSpan, endSpan)
+        //Log.d(TAG, "startDaysUnix: ${Date(daysToUnix(startDays) * 1000)}. endDaysUnix: ${Date(daysToUnix(endDays) * 1000)}")
+
+        callback(GraphState(events, dayCounter, startUnix, endUnix, startSpan, endSpan))
+    }
+
+    fun showGraph() {
+        //Log.d(TAG, "showGraph: graphTypeSelection: $graphTypeSelection, timeRangeSelection: $timeRangeSelection")
+
+        // test
+        resetBarChart()
 
         when (graphTypeSelection) {
             GraphType.BOTTLE_EVENTS,
-            GraphType.BOTTLE_SUM -> showBottleBarGraph(state)
+            GraphType.BOTTLE_SUM -> prepareGraph(LunaEvent.Type.BABY_BOTTLE) { state -> showBottleBarGraph(state) }
             GraphType.SLEEP_EVENTS,
-            GraphType.SLEEP_SUM -> showSleepBarGraph(state)
-            GraphType.SLEEP_PATTERN -> if (timeRangeSelection == TimeRange.DAY) {
+            GraphType.SLEEP_SUM -> prepareGraph(LunaEvent.Type.SLEEP) { state -> showSleepBarGraph(state) }
+            GraphType.SLEEP_PATTERN -> prepareGraph(LunaEvent.Type.SLEEP) { state -> showSleepPatternBarGraphSlotted(state) }
+/*                if (timeRangeSelection == TimeRange.DAY) {
                     // specialized pattern bar for daily view (optional)
                     showSleepPatternBarGraphDaily(state)
                 } else {
                     showSleepPatternBarGraphSlotted(state)
                 }
             }
+*/
+            GraphType.MEDICINE_EVENTS -> prepareGraph(LunaEvent.Type.MEDICINE) { state -> showMedicineBarGraph(state) }
+        }
     }
 
     private interface SpinnerItemSelected {

app/src/main/java/it/danieleverducci/lunatracker/adapters/LunaEventRecyclerAdapter.kt

@@ -58,7 +58,12 @@ class LunaEventRecyclerAdapter: RecyclerView.Adapter<LunaEventRecyclerAdapter.Lu
             LunaEvent.Type.NOTE -> item.notes
             else -> item.getRowItemTitle(context)
         }
-        holder.time.text = DateUtils.formatTimeAgo(context, item.getEndTime())
+        val endTime = if (item.type == LunaEvent.Type.SLEEP) {
+            item.quantity + item.time
+        } else {
+            item.time
+        }
+        holder.time.text = DateUtils.formatTimeAgo(context, endTime)
         var quantityText = numericUtils.formatEventQuantity(item)
 
         // if the event is weight, show difference with the last one

app/src/main/java/it/danieleverducci/lunatracker/entities/LunaEvent.kt

@@ -115,18 +115,6 @@ class LunaEvent: Comparable<LunaEvent> {
         return getDialogMessage(context, type)
     }
 
-    fun getStartTime(): Long {
-        return time
-    }
-
-    fun getEndTime(): Long {
-        return if (type == Type.SLEEP) {
-            time + quantity
-        } else {
-            time
-        }
-    }
-
     fun toJson(): JSONObject {
         return jo
     }

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

@@ -56,11 +56,11 @@ class DateUtils {
                 return builder.toString()
             }
 
-            if (years != 0L) {
+            if (years > 0) {
                 return format(years, days, R.string.year_ago, R.string.years_ago, R.string.day_ago, R.string.days_ago)
-            } else if (days != 0L) {
+            } else if (days > 0) {
                 return format(days, hours, R.string.day_ago, R.string.days_ago, R.string.hour_ago, R.string.hours_ago)
-            } else if (hours != 0L) {
+            } else if (hours > 0) {
                 return format(hours, minutes, R.string.hour_ago, R.string.hours_ago, R.string.minute_ago, R.string.minutes_ago)
             } else {
                 return format(minutes, seconds, R.string.minute_ago, R.string.minute_ago, R.string.second_ago, R.string.seconds_ago)

app/src/main/res/layout/dialog_edit_duration.xml

@@ -7,23 +7,47 @@
     android:gravity="center"
     android:orientation="vertical">
 
-    <TextView
-        android:id="@+id/dialog_date_picker_begin"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:layout_marginTop="10dp"/>
-
     <TextView
         android:id="@+id/dialog_date_duration"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginTop="20dp"
         android:textSize="20sp"
         android:text="💤"/>
 
+    <LinearLayout
+        android:id="@+id/duration_buttons"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:layout_marginTop="20dp"
+        android:layout_marginHorizontal="10dp"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/dialog_date_duration_minus5"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="-5"/>
+
+        <Button
+            android:id="@+id/dialog_date_duration_now"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/now"/>
+
+        <Button
+            android:id="@+id/dialog_date_duration_plus5"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="+5"/>
+
+    </LinearLayout>
+
     <TextView
-        android:id="@+id/dialog_date_picker_end"
+        android:id="@+id/dialog_date_picker"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"

app/src/main/res/values/arrays.xml

@@ -13,6 +13,7 @@
         <item>@string/statistics_sleep_sum</item>
         <item>@string/statistics_sleep_events</item>
         <item>@string/statistics_sleep_pattern</item>
+        <item>@string/statistics_medicine_events</item>
     </string-array>
 
     <string-array name="StatisticsTypeValues">
@@ -21,6 +22,7 @@
         <item>SLEEP_SUM</item>
         <item>SLEEP_EVENTS</item>
         <item>SLEEP_PATTERN</item>
+        <item>MEDICINE_EVENTS</item>
     </string-array>
 
     <string-array name="StatisticsTimeLabels">

app/src/main/res/values/strings.xml

@@ -131,6 +131,7 @@
     <string name="log_unknown_dialog_description"></string>
     <string name="log_weight_dialog_description">Insert the weight:</string>
     <string name="log_sleep_dialog_description">Set sleep duration:</string>
+    <string name="log_sleep_dialog_description_start">Start sleep cycle:</string>
 
     <string name="measurement_unit_liquid_base_metric" translatable="false">ml</string>
     <string name="measurement_unit_weight_base_metric" translatable="false">g</string>