Reduce coupling between ValueEditors/Viewers and Set and StyleSheet.

- Adding of actions is done with an addAction function
 - Files are read from
     - getStylePackage for styling stuff (this is stylesheet)
     - getLocalPackage for symbol and image values (this was the set)


git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@970 0fc631ac-6414-0410-93d0-97cfa31319b6

src/render/card/viewer.hpp

@@ -62,6 +62,13 @@ class DataViewer : public SetView {
 	/// Invalidate and redraw (the area of) a single value viewer
 	virtual void redraw(const ValueViewer&) {}
 	
+	/// The package containing style stuff like images
+	virtual Package& getStylePackage() const;
+	/// The local package for loading/saving files
+	Package& getLocalPackage() const;
+	/// Return the game to use for information
+	Game& getGame() const;
+	
 	// --------------------------------------------------- : Setting data
 	
 	/// Display a card in this viewer
@@ -100,7 +107,6 @@ class DataViewer : public SetView {
 	vector<ValueViewerP> viewers;	///< The viewers for the different values in the data
 	CardP card;						///< The card that is currently displayed, if any
 	bool drawing;					///< Are we currently drawing?
-  public:
 	mutable StyleSheetP stylesheet;	///< Stylesheet being used
 };