From d11aef1373a5a7e1871fe60c292c9fdcc37361ca Mon Sep 17 00:00:00 2001
From: Don Gagne <don@thegagnes.com>
Date: Wed, 9 Sep 2015 14:54:58 -0700
Subject: [PATCH] Support copy constructor

---
 src/FactSystem/Fact.cc         | 48 +++++++++++++++++++++++++---------
 src/FactSystem/Fact.h          |  7 +++--
 src/FactSystem/FactMetaData.cc | 34 ++++++++++++++++++++++++
 src/FactSystem/FactMetaData.h  |  4 +++
 4 files changed, 79 insertions(+), 14 deletions(-)

diff --git a/src/FactSystem/Fact.cc b/src/FactSystem/Fact.cc
index 6ae59e82b..d43488fa5 100644
--- a/src/FactSystem/Fact.cc
+++ b/src/FactSystem/Fact.cc
@@ -28,25 +28,49 @@
 
 #include <QtQml>
 
-Fact::Fact(void) :
-    _componentId(-1),
-    _value(0),
-    _type(FactMetaData::valueTypeInt32),
-    _metaData(NULL)
+Fact::Fact(QObject* parent)
+    : QObject(parent)
+    , _componentId(-1)
+    , _value(0)
+    , _type(FactMetaData::valueTypeInt32)
+    , _metaData(NULL)
 {    
     FactMetaData* metaData = new FactMetaData(_type, this);
     setMetaData(metaData);
 }
 
-Fact::Fact(int componentId, QString name, FactMetaData::ValueType_t type, QObject* parent) :
-    QObject(parent),
-    _name(name),
-    _componentId(componentId),
-    _value(0),
-    _type(type),
-    _metaData(NULL)
+Fact::Fact(int componentId, QString name, FactMetaData::ValueType_t type, QObject* parent)
+    : QObject(parent)
+    , _name(name)
+    , _componentId(componentId)
+    , _value(0)
+    , _type(type)
+    , _metaData(NULL)
 {
+    FactMetaData* metaData = new FactMetaData(_type, this);
+    setMetaData(metaData);
+}
 
+Fact::Fact(const Fact& other, QObject* parent)
+    : QObject(parent)
+{
+    *this = other;
+}
+
+const Fact& Fact::operator=(const Fact& other)
+{
+    _name           = other._name;
+    _componentId    = other._componentId;
+    _value          = other._value;
+    _type           = other._type;
+    
+    if (_metaData && other._metaData) {
+        *_metaData = *other._metaData;
+    } else {
+        _metaData = NULL;
+    }
+    
+    return *this;
 }
 
 void Fact::forceSetValue(const QVariant& value)
diff --git a/src/FactSystem/Fact.h b/src/FactSystem/Fact.h
index b12647ad7..90be94d4a 100644
--- a/src/FactSystem/Fact.h
+++ b/src/FactSystem/Fact.h
@@ -40,9 +40,12 @@ class Fact : public QObject
     Q_OBJECT
     
 public:
-    Fact(void);
+    Fact(QObject* parent = NULL);
     Fact(int componentId, QString name, FactMetaData::ValueType_t type, QObject* parent = NULL);
-    
+    Fact(const Fact& other, QObject* parent = NULL);
+
+    const Fact& operator=(const Fact& other);
+
     Q_PROPERTY(int componentId READ componentId CONSTANT)
     Q_PROPERTY(QString name READ name CONSTANT)
     Q_PROPERTY(QVariant value READ value WRITE setValue NOTIFY valueChanged USER true)
diff --git a/src/FactSystem/FactMetaData.cc b/src/FactSystem/FactMetaData.cc
index 33377ac08..3d63c41c9 100644
--- a/src/FactSystem/FactMetaData.cc
+++ b/src/FactSystem/FactMetaData.cc
@@ -32,6 +32,20 @@
 
 #include <limits>
 
+FactMetaData::FactMetaData(QObject* parent) :
+    QObject(parent),
+    _group("*Default Group"),
+    _type(valueTypeInt32),
+    _defaultValue(0),
+    _defaultValueAvailable(false),
+    _min(_minForType()),
+    _max(_maxForType()),
+    _minIsDefaultForType(true),
+    _maxIsDefaultForType(true)
+{
+
+}
+
 FactMetaData::FactMetaData(ValueType_t type, QObject* parent) :
     QObject(parent),
     _group("*Default Group"),
@@ -46,6 +60,26 @@ FactMetaData::FactMetaData(ValueType_t type, QObject* parent) :
 
 }
 
+FactMetaData::FactMetaData(const FactMetaData& other, QObject* parent)
+    : QObject(parent)
+{
+    *this = other;
+}
+
+const FactMetaData& FactMetaData::operator=(const FactMetaData& other)
+{
+    _group                  = other._group;
+    _type                   = other._type;
+    _defaultValue           = other._defaultValue;
+    _defaultValueAvailable  = other._defaultValueAvailable;
+    _min                    = other._min;
+    _max                    = other._max;
+    _minIsDefaultForType    = other._minIsDefaultForType;
+    _maxIsDefaultForType    = other._maxIsDefaultForType;
+    
+    return *this;
+}
+
 QVariant FactMetaData::defaultValue(void)
 {
     if (_defaultValueAvailable) {
diff --git a/src/FactSystem/FactMetaData.h b/src/FactSystem/FactMetaData.h
index 2afcdf198..8ad7c1118 100644
--- a/src/FactSystem/FactMetaData.h
+++ b/src/FactSystem/FactMetaData.h
@@ -52,7 +52,11 @@ public:
         valueTypeDouble
     } ValueType_t;
     
+    FactMetaData(QObject* parent = NULL);
     FactMetaData(ValueType_t type, QObject* parent = NULL);
+    FactMetaData(const FactMetaData& other, QObject* parent = NULL);
+
+    const FactMetaData& operator=(const FactMetaData& other);
     
 	// Property accessors
     QString     name(void)                      { return _name; }
-- 
2.22.0