B4A=true
Group=Default Group
ModulesStructureVersion=1
Type=Class
Version=13
@EndOfDesignText@
Sub Class_Globals
	Private xui As XUI

    Private pnlClock As Panel      ' Pannello in cui disegnare l'orologio
    Private cvsClock As B4XCanvas     ' Canvas per disegnare l'orologio
    Private clockDiameter As Float ' Diametro dell'orologio (in pixel)
    Private centerX As Float       ' Coordinata X del centro dell'orologio
    Private centerY As Float       ' Coordinata Y del centro dell'orologio
    Private segments As List       ' Segmenti cronologici registrati

    ' Parametri di spessore
    Private quadrantStrokeWidth As Float = 5dip
    Private hourTickStrokeWidth As Float = 5dip
    Private minuteTickStrokeWidth As Float = 2dip
    Private intervalArcStrokeWidth As Float = 5dip
    Private hourHandStrokeWidth As Float = 8dip
    Private minuteHandStrokeWidth As Float = 5dip
	Private baseDurationMs As Long
	Private activeDurationMs As Long
	Private activeColor As Int
	Private activeIsPause As Boolean
	Private hasActiveSegment As Boolean
End Sub

' Inizializza l'orologio
Public Sub Initialize(ParentPanel As Panel, PercentageOfWidth As Float)
    pnlClock = ParentPanel
    cvsClock.Initialize(pnlClock)
	segments.Initialize
	baseDurationMs = 12 * DateTime.TicksPerHour
    SetClockSize(PercentageOfWidth)
End Sub

' Imposta la durata piena del quadrante. Le pause gialle vengono aggiunte a parte.
Public Sub SetBaseDuration(DurationMs As Long)
	baseDurationMs = DurationMs
	DrawClock
End Sub

' Rimuove tutti i segmenti registrati.
Public Sub ClearSegments
	If segments.IsInitialized = False Then segments.Initialize
	segments.Clear
	hasActiveSegment = False
	activeDurationMs = 0
	DrawClock
End Sub

' Aggiunge un segmento concluso.
Public Sub AddSegment(DurationMs As Long, SegmentColor As Int, IsPause As Boolean)
	If DurationMs <= 0 Then Return
	Dim segment As Map
	segment.Initialize
	segment.Put("duration", DurationMs)
	segment.Put("color", SegmentColor)
	segment.Put("pause", IsPause)
	segments.Add(segment)
	DrawClock
End Sub

' Imposta il segmento in corso, non ancora concluso.
Public Sub SetActiveSegment(DurationMs As Long, SegmentColor As Int, IsPause As Boolean)
	activeDurationMs = Max(0, DurationMs)
	activeColor = SegmentColor
	activeIsPause = IsPause
	hasActiveSegment = activeDurationMs > 0
	DrawClock
End Sub

Public Sub ClearActiveSegment
	hasActiveSegment = False
	activeDurationMs = 0
	DrawClock
End Sub

' Imposta la dimensione dell'orologio come percentuale della larghezza del pannello
Public Sub SetClockSize(PercentageOfWidth As Float)
    clockDiameter = pnlClock.Width * PercentageOfWidth / 100
    centerX = pnlClock.Width / 2
    centerY = pnlClock.Height / 2
    DrawClock
End Sub

' Imposta lo spessore delle varie linee
Public Sub SetStrokeWidths(quadrantWidth As Float, hourTickWidth As Float, minuteTickWidth As Float, intervalArcWidth As Float, hourHandWidth As Float, minuteHandWidth As Float)
    quadrantStrokeWidth = quadrantWidth
    hourTickStrokeWidth = hourTickWidth
    minuteTickStrokeWidth = minuteTickWidth
    intervalArcStrokeWidth = intervalArcWidth
    hourHandStrokeWidth = hourHandWidth
    minuteHandStrokeWidth = minuteHandWidth
    DrawClock
End Sub

' Cancella il canvas riempiendolo con un colore specifico
Private Sub ClearCanvas(color As Int)
	cvsClock.DrawRect(cvsClock.TargetRect, color, True, 0)
	cvsClock.Invalidate
End Sub

' Disegna l'orologio
Public Sub DrawClock
    cvsClock.Initialize(pnlClock)
    
    ' Cancella il canvas
    ClearCanvas(Colors.White)
    
    ' Disegna il cerchio esterno
    cvsClock.DrawCircle(centerX, centerY, clockDiameter / 2, Colors.Black, False, quadrantStrokeWidth)
    
    ' Disegna i segmenti di lavoro / pausa / straordinario
	DrawSegments

    ' Disegna le tacche delle ore e dei minuti
    DrawTicks
    
    ' Disegna le lancette
    Dim now As Long = DateTime.Now
    Dim Hours As Int = DateTime.GetHour(now) Mod 12
    Dim Minutes As Int = DateTime.GetMinute(now)
    Dim Seconds As Int = DateTime.GetSecond(now)
    
    ' Lancetta ore
    Dim HourAngle As Float = -90 + Hours * 30 + Minutes / 2
    DrawHand(centerX, centerY, clockDiameter * 0.25, HourAngle, hourHandStrokeWidth, Colors.Black)
    
    ' Lancetta minuti
    Dim MinuteAngle As Float = -90 + Minutes * 6
    DrawHand(centerX, centerY, clockDiameter * 0.4, MinuteAngle, minuteHandStrokeWidth, Colors.Blue)
    
    ' Lancetta secondi
    Dim SecondAngle As Float = -90 + Seconds * 6
    DrawHand(centerX, centerY, clockDiameter * 0.45, SecondAngle, 2dip, Colors.Red)
    
    ' Aggiorna il pannello
    pnlClock.Invalidate
End Sub

Private Sub DrawSegments
	If segments.IsInitialized = False Then Return
	Dim totalPauseMs As Long = 0
	Dim totalRecordedMs As Long = 0
	For Each segment As Map In segments
		Dim duration As Long = segment.Get("duration")
		totalRecordedMs = totalRecordedMs + duration
		If segment.Get("pause") = True Then totalPauseMs = totalPauseMs + duration
	Next
	If hasActiveSegment Then
		totalRecordedMs = totalRecordedMs + activeDurationMs
		If activeIsPause Then totalPauseMs = totalPauseMs + activeDurationMs
	End If

	Dim totalDisplayMs As Long = Max(baseDurationMs, totalRecordedMs)
	If totalDisplayMs <= 0 Then Return

	Dim startAngle As Float = -90
	Dim radius As Float = clockDiameter / 2 - 22dip
	For Each segment As Map In segments
		Dim sweepAngle As Float = 360 * segment.Get("duration") / totalDisplayMs
		DrawPieSegment(startAngle, sweepAngle, segment.Get("color"), radius)
		startAngle = startAngle + sweepAngle
	Next
	If hasActiveSegment Then
		Dim activeSweepAngle As Float = 360 * activeDurationMs / totalDisplayMs
		DrawPieSegment(startAngle, activeSweepAngle, activeColor, radius)
	End If
End Sub

Private Sub DrawPieSegment(startAngle As Float, sweepAngle As Float, color As Int, radius As Float)
	If sweepAngle <= 0 Then Return
	Dim steps As Int = Max(2, Ceil(sweepAngle / 4))
	Dim path As B4XPath
	path.Initialize(centerX, centerY)
	For i = 0 To steps
		Dim angle As Float = startAngle + sweepAngle * i / steps
		Dim x As Float = centerX + radius * CosD(angle)
		Dim y As Float = centerY + radius * SinD(angle)
		path.LineTo(x, y)
	Next
	path.LineTo(centerX, centerY)
	cvsClock.DrawPath(path, color, True, 0)
End Sub

' Disegna una singola lancetta
Private Sub DrawHand(x As Float, y As Float, length As Float, angle As Float, width As Float, color As Int)
    Dim endX As Float = x + length * CosD(angle)
    Dim endY As Float = y + length * SinD(angle)
    cvsClock.DrawLine(x, y, endX, endY, color, width)
End Sub
' Disegna le tacche delle ore e dei minuti
Private Sub DrawTicks
    For i = 0 To 59
        Dim angle As Float = -90 + i * 6
        Dim startX As Float
        Dim startY As Float
        Dim endX As Float
        Dim endY As Float
        If i Mod 5 = 0 Then
            ' Tacca delle ore
            startX = centerX + (clockDiameter / 2 - 20dip) * CosD(angle)
            startY = centerY + (clockDiameter / 2 - 20dip) * SinD(angle)
            endX = centerX + (clockDiameter / 2 - 5dip) * CosD(angle)
            endY = centerY + (clockDiameter / 2 - 5dip) * SinD(angle)
            cvsClock.DrawLine(startX, startY, endX, endY, Colors.Black, hourTickStrokeWidth)
        Else
            ' Tacca dei minuti
            startX = centerX + (clockDiameter / 2 - 10dip) * CosD(angle)
            startY = centerY + (clockDiameter / 2 - 10dip) * SinD(angle)
            endX = centerX + (clockDiameter / 2 - 5dip) * CosD(angle)
            endY = centerY + (clockDiameter / 2 - 5dip) * SinD(angle)
            cvsClock.DrawLine(startX, startY, endX, endY, Colors.Black, minuteTickStrokeWidth)
        End If
    Next
End Sub

' Aggiorna l'orologio ogni secondo
Public Sub StartClock
    Dim timer As Timer
    timer.Initialize("timer", 1000)
    timer.Enabled = True
End Sub

' Evento del timer per aggiornare l'orologio
Private Sub timer_Tick
    DrawClock
End Sub