Card preview on style panel is refreshed when styling changes

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@492 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/control/card_viewer.cpp

@@ -38,6 +38,10 @@ void CardViewer::redraw(const ValueViewer& v) {
 }
 
 void CardViewer::onChange() {
+	redraw();
+}
+
+void CardViewer::redraw() {
 	if (drawing) return;
 	up_to_date = false;
 	Refresh(false);

src/gui/control/card_viewer.hpp

@@ -30,6 +30,8 @@ class CardViewer : public wxControl, public DataViewer {
 	/** May NOT be called while in onPaint/draw */
 	shared_ptr<DC> overdrawDC();
 	
+	/// Invalidate and redraw the entire viewer
+	void redraw();
 	/// Invalidate and redraw (the area of) a single value viewer
 	virtual void redraw(const ValueViewer&);