Added clone() function to Value.

Added support for per-card styling

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@430 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/field/boolean.hpp

@@ -52,6 +52,7 @@ class BooleanValue : public ChoiceValue {
   public:
 	inline BooleanValue(const ChoiceFieldP& field) : ChoiceValue(field) {}
 	DECLARE_HAS_FIELD(Boolean);
+	virtual ValueP clone() const;
 	
 	// no extra data
 	

src/data/field/choice.hpp

@@ -177,6 +177,7 @@ class ChoiceValue : public Value {
 	typedef Defaultable<String> ValueType;
 	ValueType value;	/// The name of the selected choice
 	
+	virtual ValueP clone() const;
 	virtual String toString() const;
 	virtual bool update(Context&);
 	

src/data/field/color.hpp

@@ -83,6 +83,7 @@ class ColorValue : public Value {
 	typedef Defaultable<Color> ValueType;
 	ValueType value;	///< The value
 	
+	virtual ValueP clone() const;
 	virtual String toString() const;
 	virtual bool update(Context&);
 	

src/data/field/image.hpp

@@ -58,6 +58,7 @@ class ImageValue : public Value {
 	ValueType filename;    ///< Filename of the image (in the current package), or ""
 	Age       last_update; ///< When was the image last changed?
 	
+	virtual ValueP clone() const;
 	virtual String toString() const;
 	
   private:

src/data/field/information.hpp

@@ -68,6 +68,7 @@ class InfoValue : public Value {
 	
 	String value;
 	
+	virtual ValueP clone() const;
 	virtual String toString() const;
 	virtual bool update(Context&);
 	

src/data/field/multiple_choice.hpp

@@ -56,6 +56,7 @@ class MultipleChoiceValue : public ChoiceValue {
   public:
 	inline MultipleChoiceValue(const MultipleChoiceFieldP& field) : ChoiceValue(field, false) {}
 	DECLARE_HAS_FIELD(MultipleChoice);
+	virtual ValueP clone() const;
 	
 	String last_change; ///< Which of the choices was selected/deselected last?
 	

src/data/field/symbol.hpp

@@ -69,6 +69,7 @@ class SymbolValue : public Value {
 	ValueType filename;    ///< Filename of the symbol (in the current package)
 	Age       last_update; ///< When was the symbol last changed?
 	
+	virtual ValueP clone() const;
 	virtual String toString() const;
 	
   private:

src/data/field/text.hpp

@@ -110,6 +110,7 @@ class TextValue : public Value {
 	ValueType value;				///< The text of this value
 	Age       last_update;			///< When was the text last changed?
 	
+	virtual ValueP clone() const;
 	virtual String toString() const;
 	virtual bool update(Context&);