refactor some typos on helper classes and implement base classes for providers and start x5 provider ...

Indicators/x-saherelm.xct.mq5

@@ -114,9 +114,16 @@ void OnDeinit(const int reason)
     // REASON_INITFAILED 8 The OnInit() handler returned a non-zero value
     // REASON_CLOSE 9 Terminal closed
 
+    //
+    ulong chID = FindChartID(
+        _Symbol,
+        _Period
+        //
+    );
+
     //
     // Delete Object ...
-    ObjectDelete(0, ShortName);
+    ObjectDelete(chID, ShortName);
 
     //
     Comment("");
@@ -125,36 +132,16 @@ void OnDeinit(const int reason)
 //
 // Calculating what we want ...
 int OnCalculate(
-    //
-    // total Candles on chart ...
-    const int rates_total,
-    //
-    // total calculated Candles on charts ...
-    const int prev_calculated,
-    //
-    // history of Candles Open Time ...
-    const datetime &time[],
-    //
-    // history of Candles Open Price ...
-    const double &open[],
-    //
-    // history of Candles High Price ...
-    const double &high[],
-    //
-    // history of Candles Low Price ...
-    const double &low[],
-    //
-    // history of Candles Close Price ...
-    const double &close[],
-    //
-    // history of Tick Volumes on Candle ...
-    const long &tick_volume[],
-    //
-    // history of Trade Volumes ...
-    const long &volume[],
-    //
-    // history of Candles Spread Price ...
-    const int &spread[] //
+    const int rates_total,     // Total Bars on Chart ...
+    const int prev_calculated, // Total Calculated Bars on Charts ...
+    const datetime &time[],    // History of Open Time ...
+    const double &open[],      // History of Open Price ...
+    const double &high[],      // History of High Price ...
+    const double &low[],       // History of Low Price ...
+    const double &close[],     // History of Close Price ...
+    const long &tick_volume[], // History of Tick Volumes on Bar ...
+    const long &volume[],      // History of Trade Volumes ...
+    const int &spread[]        // History of Spread Price ...
 )
 {
     //
@@ -166,6 +153,13 @@ int OnCalculate(
         return rates_total;
     }
 
+    //
+    ulong chID = FindChartID(
+        _Symbol,
+        _Period
+        //
+    );
+
     //
     XBarRemainsTime barRemains;
     barRemains.Init(
@@ -201,10 +195,10 @@ int OnCalculate(
     string objText = "Spread: " + IntegerToString(mSpread) + _sp + " Next Bar in: " + msg;
 
     //
-    ObjectSetInteger(0, ShortName, OBJPROP_COLOR, clr);
-    ObjectSetString(0, ShortName, OBJPROP_TEXT, objText);
-    ObjectSetInteger(0, ShortName, OBJPROP_FONTSIZE, 10);
-    ObjectSetString(0, ShortName, OBJPROP_FONT, "Courier");
+    ObjectSetInteger(chID, ShortName, OBJPROP_COLOR, clr);
+    ObjectSetString(chID, ShortName, OBJPROP_TEXT, objText);
+    ObjectSetInteger(chID, ShortName, OBJPROP_FONTSIZE, 10);
+    ObjectSetString(chID, ShortName, OBJPROP_FONT, "Courier");
 
     //
     return rates_total;