Combined WMA and ADX

//version=6
indicator("Combined WMA and ADX", shorttitle="WMA & ADX", overlay=true, timeframe="", timeframe_gaps=true)

// --- WMA Inputs ---
lenWMA = input.int(9, minval=1, title="WMA Length")
src = input(close, title="WMA Source")
offset = input.int(title="WMA Offset", defval=0, minval=-500, maxval=500, display=display.data_window)

// --- ADX Inputs ---
adxlen = input(14, title="ADX Smoothing")
dilen = input(14, title="DI Length")

// --- WMA Calculation ---
outWMA = ta.wma(src, lenWMA)

// --- ADX and DI Calculation ---
dirmov(len) =>
up = ta.change(high)
down = -ta.change(low)
plusDM = na(up) ? na : (up > down and up > 0 ? up : 0)
minusDM = na(down) ? na : (down > up and down > 0 ? down : 0)
truerange = ta.rma(ta.tr, len)
plus = fixnan(100 * ta.rma(plusDM, len) / truerange)
minus = fixnan(100 * ta.rma(minusDM, len) / truerange)
[plus, minus]

adx(dilen, adxlen) =>
[plus, minus] = dirmov(dilen)
sum = plus + minus
adx = 100 * ta.rma(math.abs(plus - minus) / (sum == 0 ? 1 : sum), adxlen)
adx

sigADX = adx(dilen, adxlen)

// --- Plot WMA and ADX ---
plot(outWMA, title="WMA", color=color.blue, offset=offset)
plot(sigADX, title="ADX", color=color.red)