Lion Trend S

indicator("Lion Trend S",overlay = true)

showHA      = input.bool(true, "Enable Heikin Ashi")

haClose = (open + high + low + close) / 4

var float haOpen = na
haOpen := na(haOpen) ? (open + close) / 2 : (haOpen + haClose[1]) / 2

haHigh = math.max(high, math.max(haOpen, haClose))
haLow  = math.min(low, math.min(haOpen, haClose))

emaSrc= haClose

up_trend_color= input.color(#00bcd4,"BULL TREND THEME")
dn_trend_color=input.color(#e91e63,"BEAR TREND THEME")

price=plot(haClose,display = display.none)

emma300=ta.ema(emaSrc, 300)
emma200=ta.ema(haClose,200)

lowest_h=math.min(emma200,emma300)
highest_h=math.max(emma200,emma300)

emma100=ta.ema(haClose,100)
emma55=ta.ema(haClose,55)

lowest_l=math.min(emma100,emma55)
highest_l=math.max(emma100,emma55)

final_lowest=math.min(lowest_h,lowest_l)
final_highest=math.max(highest_h,highest_l)

var bool isUpTrend=false
var bool isDnTrend=false
var color emaColor=na

upTrend=haClose>final_lowest
dnTrend=haClose<final_highest

if(upTrend)
    isUpTrend:=true
    emaColor:=up_trend_color

if (dnTrend)
    isDnTrend:=true
    emaColor:=dn_trend_color

if upTrend and dnTrend
    emaColor:=emaColor[1]

ema200 = plot(ta.ema(emaSrc,200), title='EMA 200', linewidth=3, color=color.new(emaColor, 50), offset=0, display=display.none)
fill(price, ema200, title='EMA 200 Fill', color=color.new(emaColor, 90), editable=true)

ema9 = plot(ta.ema(emaSrc,9), title='EMA 9', linewidth=3, color=color.new(emaColor,90), offset=0, display=display.none)
fill(price, ema9, title='EMA 9 Fill', color=color.new(emaColor, 90), editable=true)

ema21 = plot(ta.ema(emaSrc,21), title='EMA 21', linewidth=3, color=color.new(emaColor, 50), offset=0, display=display.none)
fill(price, ema21, title='EMA 21 Fill', color=color.new(emaColor, 90), editable=true)

ema55 = plot(ta.ema(emaSrc,55), title='EMA 55', linewidth=3, color=color.new(emaColor, 50), offset=0, display=display.none)
fill(price, ema55, title='EMA 55 Fill', color=color.new(emaColor, 90), editable=true)

ema100 = plot(ta.ema(emaSrc,100), title='EMA 100', linewidth=3, color=color.new(emaColor, 50), offset=0, display=display.none)
fill(price, ema100, title='EMA 100 Fill', color=color.new(emaColor, 90), editable=true)

plotcandle(showHA ? haOpen : na,showHA ? haHigh : na,showHA ? haLow  : na,showHA ? haClose : na,title="Heikin Ashi Candles",color=emaColor,wickcolor=emaColor,bordercolor=emaColor)

bool ht_enable=input.bool(true,"Enable Half Trend Indicator",group = "Half Trend Indicator")
int amp = input.int(5, 'Amplitude', minval = 1,group = "Half Trend Indicator") // Length for indicator calculations

series float closeMA = ta.sma(close, amp) // Moving average of close prices
series float highestHigh = ta.highest(amp) // Highest high over the period
series float lowestLow = ta.lowest(amp) // Lowest low over the period
var float hl_t=0.0

if barstate.isfirst
    hl_t := close
    hl_t

switch 
    closeMA < hl_t and highestHigh < hl_t => 
	    hl_t := highestHigh
	    hl_t
    closeMA > hl_t and lowestLow > hl_t => 
	    hl_t := lowestLow
	    hl_t
    => 
	    hl_t := hl_t
	    hl_t

plot( ht_enable ? hl_t:na,title = "Half Trend", color = emaColor, linewidth = 2, editable = true)

Periods = input(title = 'SuperTrend ATR Period', defval = 10,group="SuperTrend")
src = input(hl2, title = 'SuperTrend Source')
Multiplier = input.float(title = 'SuperTrend ATR Multiplier', step = 1, defval = 3,group="SuperTrend")
changeATR = input(title = 'SuperTrend Change ATR Calculation Method ?', defval = true,group="SuperTrend")
showsignals = input(title = 'Show Buy/Sell Signals ?', defval = true,group="SuperTrend")
atr2 = ta.sma(ta.tr, Periods)
atr = changeATR ? ta.atr(Periods) : atr2
up = src - Multiplier * atr
up1 = nz(up[1], up)
up := close[1] > up1 ? math.max(up, up1) : up
dn = src + Multiplier * atr
dn1 = nz(dn[1], dn)
dn := close[1] < dn1 ? math.min(dn, dn1) : dn
trend = 1
trend := nz(trend[1], trend)
trend := trend == -1 and close > dn1 ? 1 : trend == 1 and close < up1 ? -1 : trend
buySignal = trend == 1 and trend[1] == -1 and emaColor==up_trend_color
sellSignal = trend == -1 and trend[1] == 1 and emaColor==dn_trend_color

useFractal = true//input.bool(true, title = 'Use Fractal for Stop Loss', group = 'Trade Levels')
tradeSide = emaColor==up_trend_color?"Buy":"Sell"

showLabels = true// input.bool(true, title = 'Show TP&SL Labels?', group = 'TP&SL STYLE')
offset = input.int(10, title = 'Offset from Last Bar', minval = 1, maxval = 100, group = 'TP&SL STYLE')
len = input.i

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