applyLine() refactor/fix

src/charts/chart.js

@@ -27,7 +27,6 @@ function changeSymbol(symbol) {
     lastSymbolChangedArgs = info
     symbolChangedCbs.forEach((cb)=>cb(info))
     co.selectedSymbol = info
-    co.meanRange = chartMeanRange()
 }
 
 
@@ -36,6 +35,13 @@ function changeInterval(interval, _timeframe) {
 }
 
 
+function dataLoaded() {
+    const range = chartMeanRange()
+    console.log('new mean range', range)
+    co.meanRange = range
+}
+
+
 /*  TradingView event keystrings
 const subscribeEvents = [
     'toggle_sidebar', 'indicators_dialog', 'toggle_header', 'edit_object_dialog', 'chart_load_requested',
@@ -83,6 +89,7 @@ function initChart() {
     chart.crossHairMoved().subscribe(null, (point)=>setTimeout(()=>handleCrosshairMovement(point),0) )
     chart.onSymbolChanged().subscribe(null, changeSymbol)
     chart.onIntervalChanged().subscribe(null, changeInterval)
+    chart.onDataLoaded().subscribe(null, dataLoaded)
     const tzapi = chart.getTimezoneApi();
     tzapi.onTimezoneChanged().subscribe(null, (tz)=>{if (tz==='exchange') tz='Etc/UTC'; s.timeZone=tz})
     s.timeZone = tzapi.getTimezone().id