Added ScriptableImage plus the beginnings of dependency stuff

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@58 0fc631ac-6414-0410-93d0-97cfa31319b6

src/render/card/viewer.cpp

@@ -48,6 +48,7 @@ bool   DataViewer::drawBorders()   const { return false; }
 bool   DataViewer::drawEditing()   const { return false; }
 wxPen  DataViewer::borderPen(bool) const { return wxPen(); }
 ValueViewer* DataViewer::focusedViewer() const { return nullptr; }
+Context& DataViewer::getContext()  const { return set->getContext(); }
 
 // ----------------------------------------------------------------------------- : Setting data
 

src/render/card/viewer.hpp

@@ -15,6 +15,7 @@
 
 DECLARE_POINTER_TYPE(Style);
 DECLARE_POINTER_TYPE(ValueViewer);
+class Context;
 
 // ----------------------------------------------------------------------------- : DataViewer
 
@@ -47,6 +48,8 @@ class DataViewer : public SetView {
 	/// The viewer that is currently focused, may be null
 	/** null by default, can be overloaded */
 	virtual ValueViewer* focusedViewer() const;
+	/// Get a script context to use for scripts in the viewers
+	Context& getContext() const;
 	
 	// --------------------------------------------------- : Setting data