From b0d29b745cb8018a6fd103ee229924b3880d675a Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Tue, 20 Apr 2021 14:56:29 +0200
Subject: [PATCH] Base: add convenience functions to create a QString from
 quantity

---
 src/Base/UnitsApi.cpp | 12 +++++++++---
 src/Base/UnitsApi.h   |  9 +++++++++
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/src/Base/UnitsApi.cpp b/src/Base/UnitsApi.cpp
index 5512a438f9..b42d7f29bd 100644
--- a/src/Base/UnitsApi.cpp
+++ b/src/Base/UnitsApi.cpp
@@ -154,15 +154,21 @@ void UnitsApi::setSchema(UnitSystem s)
     UserPrefSystem->setSchemaUnits(); // if necessary a unit schema can change the constants in Quantity (e.g. mi=1.8km rather then 1.6km).
 }
 
+QString UnitsApi::toString(const Base::Quantity& q, const QuantityFormat& f)
+{
+    QString value = QString::fromLatin1("'%1 %2'").arg(q.getValue(), 0, f.toFormat(), f.precision+1)
+                                                  .arg(q.getUnit().getString());
+    return value;
+}
+
 QString UnitsApi::toNumber(const Base::Quantity& q, const QuantityFormat& f)
 {
-    QString number = QString::fromLatin1("%1").arg(q.getValue(), 0, f.toFormat(), f.precision);
-    return number;
+    return toNumber(q.getValue(), f);
 }
 
 QString UnitsApi::toNumber(double d, const QuantityFormat& f)
 {
-    QString number = QString::fromLatin1("%1").arg(d, 0, f.toFormat(), f.precision);
+    QString number = QString::fromLatin1("%1").arg(d, 0, f.toFormat(), f.precision+1);
     return number;
 }
 
diff --git a/src/Base/UnitsApi.h b/src/Base/UnitsApi.h
index 17d4d36ab5..594878d7e7 100644
--- a/src/Base/UnitsApi.h
+++ b/src/Base/UnitsApi.h
@@ -66,11 +66,20 @@ public:
         return UnitsApi::schemaTranslate(quant, dummy1, dummy2);
     }
 
+    /** Get a number as string for a quantity of a given format.
+     * The string is a number in C locale (i.e. the decimal separator is always a dot) and if
+     * needed represented in scientific notation. The string also includes the unit of the quantity.
+     */
+    static QString toString(const Base::Quantity& q, const QuantityFormat& f = QuantityFormat(QuantityFormat::Default));
     /** Get a number as string for a quantity of a given format.
      * The string is a number in C locale (i.e. the decimal separator is always a dot) and if
      * needed represented in scientific notation. The string doesn't include the unit of the quantity.
      */
     static QString toNumber(const Base::Quantity& q, const QuantityFormat& f = QuantityFormat(QuantityFormat::Default));
+    /** Get a number as string for a double of a given format.
+     * The string is a number in C locale (i.e. the decimal separator is always a dot) and if
+     * needed represented in scientific notation. The string doesn't include the unit of the quantity.
+     */
     static QString toNumber(double d, const QuantityFormat& f = QuantityFormat(QuantityFormat::Default));
 
     /// generate a value for a quantity with default user preferred system