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.cpp

@@ -110,6 +110,16 @@ Rotation DataViewer::getRotation() const {
 	return Rotation(ss.card_angle(), stylesheet->getCardRect(), ss.card_zoom(), 1.0, ROTATION_ATTACH_TOP_LEFT);
 }
 
+Package& DataViewer::getStylePackage() const {
+	return *stylesheet;
+}
+Package& DataViewer::getLocalPackage() const {
+	return *set;
+}
+Game& DataViewer::getGame() const {
+	return *set->game;
+}
+
 // ----------------------------------------------------------------------------- : Setting data
 
 void DataViewer::setCard(const CardP& card, bool refresh) {

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
 };