[CHANGE] - all WPropertyBase derived classes can now be deep copied

src/common/WFlag.h

@@ -56,6 +56,14 @@ public:
      */
     WFlag( boost::shared_ptr< WCondition > condition, T initial );
 
+    /**
+     * Copy constructor. Creates a deep copy of this property. As boost::signals2 and condition variables are non-copyable, new instances get
+     * created. The subscriptions to a signal are LOST as well as all listeners to a condition.
+     *
+     * \param from the instance to copy.
+     */
+    WFlag( const WFlag& from );
+
     /**
      * Destructor. It deletes the instance of WCondition specified on construction.
      */
@@ -189,6 +197,15 @@ WFlag< T >::WFlag( boost::shared_ptr< WCondition > condition, T initial ):
 {
 }
 
+template < typename T >
+WFlag< T >::WFlag( const WFlag& from ):
+    m_condition( boost::shared_ptr< WCondition >( new WCondition() ) ),
+    m_valueChangeCondition( boost::shared_ptr< WCondition >( new WCondition() ) ),
+    m_flag( from.m_flag ),
+    m_changed( from.m_changed )
+{
+}
+
 template < typename T >
 WFlag< T >::~WFlag()
 {

src/common/WProperties.cpp

@@ -49,6 +49,28 @@ WProperties::~WProperties()
 {
 }
 
+WProperties::WProperties( const WProperties& from ):
+    WPropertyBase( from ),
+    m_properties(),
+    m_propAccess( m_properties.getAccessObject() )
+{
+    // copy the properties inside
+    from.m_propAccess->beginRead();
+    // we need to make a deep copy here.
+    for ( PropertyIterator iter = from.m_propAccess->get().begin(); iter != from.m_propAccess->get().end(); ++iter )
+    {
+        // clone them to keep dynamic type
+        m_propAccess->get().push_back( ( *iter )->clone() );
+    }
+    from.m_propAccess->endRead();
+}
+
+boost::shared_ptr< WPropertyBase > WProperties::clone()
+{
+    // class copy constructor.
+    return boost::shared_ptr< WProperties >( new WProperties( *this ) );
+}
+
 PROPERTY_TYPE WProperties::getType() const
 {
     return PV_GROUP;

src/common/WProperties.h

@@ -34,7 +34,7 @@
 #include <boost/thread/locks.hpp>
 #include <boost/thread.hpp>
 
-#include "WSharedObject.h"
+#include "WSharedSequenceContainer.h"
 #include "WPropertyBase.h"
 #include "WPropertyTypes.h"
 #include "WPropertyVariable.h"
@@ -60,7 +60,7 @@ public:
     /**
      * The alias for a shared container.
      */
-    typedef WSharedObject< PropertyContainerType > PropertySharedContainerType;
+    typedef WSharedSequenceContainer< boost::shared_ptr< WPropertyBase >, PropertyContainerType > PropertySharedContainerType;
 
     /**
      * The access type
@@ -87,11 +87,32 @@ public:
      */
     WProperties( std::string name = "unnamed group", std::string description = "an unnamed group of properties" );
 
+    /**
+     * Copy constructor. Creates a deep copy of this property. As boost::signals2 and condition variables are non-copyable, new instances get
+     * created. The subscriptions to a signal are LOST as well as all listeners to a condition.
+     *
+     * \note the properties inside this list are also copied deep
+     *
+     * \param from the instance to copy.
+     */
+    WProperties( const WProperties& from );
+
     /**
      * destructor
      */
     virtual ~WProperties();
 
+    /**
+     * This method clones a property and returns the clone. It does a deep copy and, in contrast to a copy constructor, creates property with the
+     * correct type without explicitly requiring the user to specify it. It creates a NEW change condition and change signal. This means, alls
+     * subscribed signal handlers are NOT copied.
+     *
+     * \note this simply ensures the copy constructor of the runtime type is issued.
+     *
+     * \return the deep clone of this property.
+     */
+    virtual boost::shared_ptr< WPropertyBase > clone();
+
     /**
      * Simply insert the specified property to the list.
      *

src/common/WPropertyBase.cpp

@@ -34,10 +34,12 @@
 #include "WPropertyVariable.h"
 
 WPropertyBase::WPropertyBase( std::string name, std::string description ):
+    boost::enable_shared_from_this< WPropertyBase >(),
     m_name( name ),
     m_description( description ),
     m_hidden( false ),
     m_purpose( PV_PURPOSE_PARAMETER ),
+    signal_PropertyChange(),
     m_updateCondition( new WConditionSet() )
 {
     // check name validity
@@ -48,6 +50,18 @@ WPropertyBase::WPropertyBase( std::string name, std::string description ):
     }
 }
 
+WPropertyBase::WPropertyBase( const WPropertyBase& from ):
+    boost::enable_shared_from_this< WPropertyBase >(),
+    m_name( from.m_name ),
+    m_description( from.m_description ),
+    m_hidden( from.m_hidden ),
+    m_type( from.m_type ),
+    m_purpose( from.m_purpose ),
+    signal_PropertyChange(),                    // create a new and empty signal
+    m_updateCondition( new WConditionSet() )    // create a new condition set. Do not copy it.
+{
+}
+
 WPropertyBase::~WPropertyBase()
 {
     // cleanup

src/common/WPropertyBase.h

@@ -52,11 +52,30 @@ public:
      */
     WPropertyBase( std::string name, std::string description );
 
+    /**
+     * Copy constructor. Creates a deep copy of this property. As boost::signals2 and condition variables are non-copyable, new instances get
+     * created. The subscriptions to a signal are LOST as well as all listeners to a condition.
+     *
+     * \param from the instance to copy.
+     */
+    WPropertyBase( const WPropertyBase& from );
+
     /**
      * Destructor.
      */
     virtual ~WPropertyBase();
 
+    /**
+     * This method clones a property and returns the clone. It does a deep copy and, in contrast to a copy constructor, creates property with the
+     * correct type without explicitly requiring the user to specify it. It creates a NEW change condition and change signal. This means, alls
+     * subscribed signal handlers are NOT copied.
+     *
+     * \note this simply ensures the copy constructor of the runtime type is issued.
+     *
+     * \return the deep clone of this property.
+     */
+    virtual boost::shared_ptr< WPropertyBase > clone() = 0;
+
     /**
      * Gets the name of the class.
      *

src/common/WPropertyVariable.h

@@ -115,11 +115,30 @@ public:
     WPropertyVariable( std::string name, std::string description, const T& initial, boost::shared_ptr< WCondition > condition,
                        PropertyChangeNotifierType notifier );
 
+    /**
+     * Copy constructor. Creates a deep copy of this property. As boost::signals2 and condition variables are non-copyable, new instances get
+     * created. The subscriptions to a signal are LOST as well as all listeners to a condition.
+     *
+     * \param from the instance to copy.
+     */
+    WPropertyVariable( const WPropertyVariable< T >& from );
+
     /**
      * Destructor.
      */
     virtual ~WPropertyVariable();
 
+    /**
+     * This method clones a property and returns the clone. It does a deep copy and, in contrast to a copy constructor, creates property with the
+     * correct type without explicitly requiring the user to specify it. It creates a NEW change condition and change signal. This means, alls
+     * subscribed signal handlers are NOT copied.
+     *
+     * \note this simply ensures the copy constructor of the runtime type is issued.
+     *
+     * \return the deep clone of this property.
+     */
+    virtual boost::shared_ptr< WPropertyBase > clone();
+
     /**
      * Determines whether the specified value is acceptable.
      *
@@ -185,6 +204,13 @@ public:
          * \return NULL if the type is unknown or an constraint instance
          */
         static boost::shared_ptr< PropertyConstraint > create( PROPERTYCONSTRAINT_TYPE type );
+
+        /**
+         * Method to clone the constraint and create a new one with the correct dynamic type.
+         *
+         * \return the constraint.
+         */
+        virtual boost::shared_ptr< PropertyConstraint > clone() = 0;
     };
 
     /**
@@ -440,7 +466,7 @@ WPropertyVariable< T >::WPropertyVariable( std::string name, std::string descrip
     m_updateCondition->add( WFlag< T >::getValueChangeCondition() );
 
     // set custom notifier
-    WFlag< T >::getCondition()->subscribeSignal( boost::bind( &WPropertyVariable< T >::propertyChangeNotifier, this ) );
+    m_notifierConnection = WFlag< T >::getCondition()->subscribeSignal( boost::bind( &WPropertyVariable< T >::propertyChangeNotifier, this ) );
     signal_PropertyChange.connect( notifier );
 }
 
@@ -460,10 +486,29 @@ WPropertyVariable< T >::WPropertyVariable( std::string name, std::string descrip
     m_updateCondition->add( WFlag< T >::getValueChangeCondition() );
 
     // set custom notifier
-    WFlag< T >::getCondition()->subscribeSignal( boost::bind( &WPropertyVariable< T >::propertyChangeNotifier, this ) );
+    m_notifierConnection = WFlag< T >::getCondition()->subscribeSignal( boost::bind( &WPropertyVariable< T >::propertyChangeNotifier, this ) );
     signal_PropertyChange.connect( notifier );
 }
 
+template < typename T >
+WPropertyVariable< T >::WPropertyVariable( const WPropertyVariable< T >& from ):
+    WFlag< T >( from ),
+    WPropertyBase( from ),
+    m_constraintsChanged( new WCondition() ),
+    m_constraints(),
+    m_constraintsAccess( m_constraints.getAccessObject() )
+{
+    // copy the constraints
+    from.m_constraintsAccess->beginRead();
+    // we need to make a deep copy here.
+    for ( ConstraintContainerIteratorType iter = from.m_constraintsAccess->get().begin(); iter != from.m_constraintsAccess->get().end(); ++iter )
+    {
+        // clone them to keep dynamic type
+        m_constraintsAccess->get().insert( ( *iter )->clone() );
+    }
+    from.m_constraintsAccess->endRead();
+}
+
 template < typename T >
 WPropertyVariable< T >::~WPropertyVariable()
 {
@@ -477,6 +522,12 @@ WPropertyVariable< T >::~WPropertyVariable()
     m_constraintsAccess->endWrite();
 }
 
+template < typename T >
+boost::shared_ptr< WPropertyBase > WPropertyVariable< T >::clone()
+{
+    return boost::shared_ptr< WPropertyBase >( new WPropertyVariable< T >( *this ) );
+}
+
 template < typename T >
 void WPropertyVariable< T >::propertyChangeNotifier()
 {

src/common/constraints/WPropertyConstraintIsDirectory.h

@@ -41,7 +41,7 @@ public:
     /**
      * Constructor.
      */
-    explicit WPropertyConstraintIsDirectory();
+    WPropertyConstraintIsDirectory();
 
     /**
      * Destructor.
@@ -65,6 +65,13 @@ public:
      */
     virtual PROPERTYCONSTRAINT_TYPE getType();
 
+    /**
+     * Method to clone the constraint and create a new one with the correct dynamic type.
+     *
+     * \return the constraint.
+     */
+    virtual boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > clone();
+
 private:
 };
 
@@ -90,5 +97,12 @@ PROPERTYCONSTRAINT_TYPE WPropertyConstraintIsDirectory< T >::getType()
     return PC_ISDIRECTORY;
 }
 
+template < typename T >
+boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > WPropertyConstraintIsDirectory< T >::clone()
+{
+    return boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint >( new WPropertyConstraintIsDirectory< T >( *this ) );
+}
+
+
 #endif  // WPROPERTYCONSTRAINTISDIRECTORY_H
 

src/common/constraints/WPropertyConstraintMax.h

@@ -76,6 +76,13 @@ public:
      */
     virtual PROPERTYCONSTRAINT_TYPE getType();
 
+    /**
+     * Method to clone the constraint and create a new one with the correct dynamic type.
+     *
+     * \return the constraint.
+     */
+    virtual boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > clone();
+
 private:
 
     /**
@@ -113,4 +120,10 @@ PROPERTYCONSTRAINT_TYPE WPropertyConstraintMax< T >::getType()
     return PC_MAX;
 }
 
+template < typename T >
+boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > WPropertyConstraintMax< T >::clone()
+{
+    return boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint >( new WPropertyConstraintMax< T >( *this ) );
+}
+
 #endif  // WPROPERTYCONSTRAINTMAX_H

src/common/constraints/WPropertyConstraintMin.h

@@ -74,6 +74,13 @@ public:
      */
     virtual PROPERTYCONSTRAINT_TYPE getType();
 
+    /**
+     * Method to clone the constraint and create a new one with the correct dynamic type.
+     *
+     * \return the constraint.
+     */
+    virtual boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > clone();
+
 private:
 
     /**
@@ -111,5 +118,11 @@ PROPERTYCONSTRAINT_TYPE WPropertyConstraintMin< T >::getType()
     return PC_MIN;
 }
 
+template < typename T >
+boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > WPropertyConstraintMin< T >::clone()
+{
+    return boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint >( new WPropertyConstraintMin< T >( *this ) );
+}
+
 #endif  // WPROPERTYCONSTRAINTMIN_H
 

src/common/constraints/WPropertyConstraintNotEmpty.h

@@ -66,6 +66,13 @@ public:
      */
     virtual PROPERTYCONSTRAINT_TYPE getType();
 
+    /**
+     * Method to clone the constraint and create a new one with the correct dynamic type.
+     *
+     * \return the constraint.
+     */
+    virtual boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > clone();
+
 private:
 };
 
@@ -91,5 +98,11 @@ PROPERTYCONSTRAINT_TYPE WPropertyConstraintNotEmpty< T >::getType()
     return PC_NOTEMPTY;
 }
 
+template < typename T >
+boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > WPropertyConstraintNotEmpty< T >::clone()
+{
+    return boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint >( new WPropertyConstraintNotEmpty< T >( *this ) );
+}
+
 #endif  // WPROPERTYCONSTRAINTNOTEMPTY_H
 

src/common/constraints/WPropertyConstraintPathExists.h

@@ -65,6 +65,13 @@ public:
      */
     virtual PROPERTYCONSTRAINT_TYPE getType();
 
+    /**
+     * Method to clone the constraint and create a new one with the correct dynamic type.
+     *
+     * \return the constraint.
+     */
+    virtual boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > clone();
+
 private:
 };
 
@@ -90,5 +97,11 @@ PROPERTYCONSTRAINT_TYPE WPropertyConstraintPathExists< T >::getType()
     return PC_PATHEXISTS;
 }
 
+template < typename T >
+boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > WPropertyConstraintPathExists< T >::clone()
+{
+    return boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint >( new WPropertyConstraintPathExists< T >( *this ) );
+}
+
 #endif  // WPROPERTYCONSTRAINTPATHEXISTS_H
 

src/common/constraints/WPropertyConstraintSelectOnlyOne.h

@@ -65,6 +65,13 @@ public:
      */
     virtual PROPERTYCONSTRAINT_TYPE getType();
 
+    /**
+     * Method to clone the constraint and create a new one with the correct dynamic type.
+     *
+     * \return the constraint.
+     */
+    virtual boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > clone();
+
 private:
 };
 
@@ -90,5 +97,11 @@ PROPERTYCONSTRAINT_TYPE WPropertyConstraintSelectOnlyOne< T >::getType()
     return PC_SELECTONLYONE;
 }
 
+template < typename T >
+boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > WPropertyConstraintSelectOnlyOne< T >::clone()
+{
+    return boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint >( new WPropertyConstraintSelectOnlyOne< T >( *this ) );
+}
+
 #endif  // WPROPERTYCONSTRAINTSELECTONLYONE_H
 

src/gui/qt4/WQtConfigWidget.cpp

@@ -310,147 +310,9 @@ void WQtConfigWidget::registerComponents()
     m_defaultProperties->addProperty( "modules.MC.isoValue", "Marching Cubes isoValue", 100.0, m_propCondition );
 }
 
-void WQtConfigWidget::copyProperties( boost::shared_ptr< WProperties > from, boost::shared_ptr< WProperties > to )
+boost::shared_ptr< WProperties > WQtConfigWidget::copyProperties( boost::shared_ptr< WProperties > from )
 {
-    // NOTE: property variables are initialized with the change flag = true. This is simply the case because nobody handled the new property
-    // after initialization. The purpose of the change flag is to detect whether someone has taken care about it. This is why the get( true )
-    // call is issued here (reset the change flag).
-    //
-
-    // lock both
-    WProperties::PropertyAccessType toAccess = to->getAccessObject();
-    WProperties::PropertyAccessType fromAccess = from->getAccessObject();
-
-    toAccess->beginWrite();
-    fromAccess->beginRead();
-
-    // clear target
-    toAccess->get().clear();
-
-    WProperties::PropertyConstIterator iter;
-    for ( iter = fromAccess->get().begin(); iter != fromAccess->get().end(); ++iter )
-    {
-/*        // so far we only need those 5 types
-        switch( ( *iter )->getType() )
-        {
-        case PV_GROUP:
-            {
-                // recurse all groups
-                WPropGroup group = to->addPropertyGroup( ( *iter )->getName(), ( *iter )->getDescription() );
-                copyProperties( ( *iter )->toPropGroup(), group );
-                break;
-            }
-        case PV_INT:
-            {
-                WPropInt propInt = to->addProperty( ( *iter )->getName(), ( *iter )->getDescription(), ( *iter )->toPropInt()->get(),
-                    m_propCondition, ( *iter )->isHidden() );
-                propInt->get( true );
-                WPVInt::constraintContainer constraints = ( *iter )->toPropInt()->getConstraints();
-                WPVInt::constraintIterator iter2;
-                for ( iter2 = constraints.begin(); iter2 != constraints.end(); ++iter2 )
-                {
-                    switch ( (*iter2)->getType() )
-                    {
-                    case PC_MIN:
-                        {
-                            propInt->setMin( ( *iter )->toPropInt()->getMin()->getMin() );
-                            break;
-                        }
-                    case PC_MAX:
-                        {
-                            propInt->setMax( ( *iter )->toPropInt()->getMax()->getMax() );
-                            break;
-                        }
-                    default:
-                        {
-                            propInt->addConstraint( *iter2 );
-                            break;
-                        }
-                    }
-                }
-                break;
-            }
-        case PV_DOUBLE:
-            {
-                WPropDouble propDouble = to->addProperty( ( *iter )->getName(), ( *iter )->getDescription(), ( *iter )->toPropDouble()->get(),
-                    m_propCondition, ( *iter )->isHidden() );
-                propDouble->get( true );
-                WPVDouble::constraintContainer constraints = ( *iter )->toPropDouble()->getConstraints();
-                WPVDouble::constraintIterator iter2;
-                for ( iter2 = constraints.begin(); iter2 != constraints.end(); ++iter2 )
-                {
-                    // again we need a nasty hack because setting a constraint which is min and max will result in a multi set of min and maxes
-                    // which will result in odd behavior
-                    switch ( ( *iter2 )->getType() )
-                    {
-                    case PC_MIN:
-                        {
-                            propDouble->setMin( ( *iter )->toPropDouble()->getMin()->getMin() );
-                            break;
-                        }
-                    case PC_MAX:
-                        {
-                            propDouble->setMax( ( *iter )->toPropDouble()->getMax()->getMax() );
-                            break;
-                        }
-                    default:
-                        {
-                            propDouble->addConstraint( *iter2 );
-                            break;
-                        }
-                    }
-                }
-                break;
-            }
-        case PV_BOOL:
-            {
-                WPropBool propBool = to->addProperty( ( *iter )->getName(), ( *iter )->getDescription(), ( *iter )->toPropBool()->get(),
-                    m_propCondition, ( *iter )->isHidden() );
-                propBool->get( true );
-                WPVBool::constraintContainer constraints = ( *iter )->toPropBool()->getConstraints();
-                WPVBool::constraintIterator iter2;
-                for ( iter2 = constraints.begin(); iter2 != constraints.end(); ++iter2 )
-                {
-                    propBool->addConstraint( *iter2 );
-                }
-                break;
-            }
-        case PV_STRING:
-            {
-                WPropString propString = to->addProperty( ( *iter )->getName(), ( *iter )->getDescription(), ( *iter )->toPropString()->get(),
-                    m_propCondition, ( *iter )->isHidden() );
-                propString->get( true );
-                WPVString::constraintContainer constraints = ( *iter )->toPropString()->getConstraints();
-                WPVString::constraintIterator iter2;
-                for ( iter2 = constraints.begin(); iter2 != constraints.end(); ++iter2 )
-                {
-                    propString->addConstraint( *iter2 );
-                }
-                break;
-            }
-        case PV_COLOR:
-            {
-                WPropColor propColor = to->addProperty( ( *iter )->getName(), ( *iter )->getDescription(), ( *iter )->toPropColor()->get(),
-                    m_propCondition, ( *iter )->isHidden() );
-                propColor->get( true );
-                WPVColor::constraintContainer constraints = ( *iter )->toPropColor()->getConstraints();
-                WPVColor::constraintIterator iter2;
-                for ( iter2 = constraints.begin(); iter2 != constraints.end(); ++iter2 )
-                {
-                    propColor->addConstraint( *iter2 );
-                }
-                break;
-            }
-        default:
-            {
-                // just do nothing so no compiler warning
-                break;
-            }
-        }*/
-    }
-
-    fromAccess->beginRead();
-    toAccess->endWrite();
+    return boost::shared_static_cast< WProperties >( from->clone() );
 }
 
 void WQtConfigWidget::copyPropertiesContents( boost::shared_ptr< WProperties > from, boost::shared_ptr< WProperties > to )
@@ -1034,13 +896,13 @@ void WQtConfigWidget::loadConfigFile()
 {
     m_configLines = WCfgOperations::readCfg( "walnut.cfg" );
     // copy all default properties into the loaded properties
-    copyProperties( m_defaultProperties, m_loadedProperties );
+    m_loadedProperties = copyProperties( m_defaultProperties );
     // parse the config file
     createLineAssociation();
     // update the loaded properties
     updateGui( m_loadedProperties );
     // copy all loaded properties into the current propertys where we create the gui from
-    copyProperties( m_loadedProperties, m_properties );
+    m_properties = copyProperties( m_loadedProperties );
 
     m_configState.setResetable( true, true );
     m_configState.add( m_propCondition );

src/gui/qt4/WQtConfigWidget.h

@@ -98,7 +98,7 @@ private:
 
     /**
     * determine if to WPropertieVariable have the same value
-    * \note also subgroups ar searched and if the property name doesn't exist in either of both groups 
+    * \note also subgroups ar searched and if the property name doesn't exist in either of both groups
     * and their subgroups the function returns false
     *
     * \param prop1 first property group
@@ -120,7 +120,7 @@ private:
     * so the other representations show the same content
     *
     * \param properties the list on which the change should occur
-    * \param groupName the name of the group ( this should be added manually inside the function for every group added, so tutorial 
+    * \param groupName the name of the group ( this should be added manually inside the function for every group added, so tutorial
     * inside of registerComponents() )
     * \param fromConfig do we update from the m_loadedProperties or from the m_properties
     */
@@ -152,9 +152,9 @@ private:
     * see implementation for details
     *
     * \param from source property group
-    * \param to target property group
+    * \return cloned property group
     */
-    void copyProperties( boost::shared_ptr< WProperties > from, boost::shared_ptr< WProperties > to );
+    boost::shared_ptr< WProperties > copyProperties( boost::shared_ptr< WProperties > from );
 
     /**
     * recursive copy of the values of property groups
@@ -184,12 +184,12 @@ private:
     void createGuiFromProperties( boost::shared_ptr< WProperties > from );
 
     /**
-    * applies changes to the main program from changed properties 
+    * applies changes to the main program from changed properties
     *
     * \note if you want to add the effect of a property to the main program implement it in here
     * see tutorial and example for details
     *
-    * \result have any properties been set different from the loaded properties and therefore have changes been made to the 
+    * \result have any properties been set different from the loaded properties and therefore have changes been made to the
     * main program
     */
     bool setWalnutFromProperties();

src/modules/template/WMTemplate.cpp

@@ -615,6 +615,13 @@ bool WMTemplate::StringLength::accept( boost::shared_ptr< WPropertyVariable< WPV