Added ValueViewer,DataViewer,CardViewer and made related changes

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@49 0fc631ac-6414-0410-93d0-97cfa31319b6

src/render/card/viewer.cpp

@@ -0,0 +1,40 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
+//| Copyright:    (C) 2001 - 2006 Twan van Laarhoven                           |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <render/card/viewer.hpp>
+#include <data/field.hpp>
+
+// ----------------------------------------------------------------------------- : DataViewer
+
+
+// ----------------------------------------------------------------------------- : Drawing
+
+void DataViewer::draw(DC& dc) {
+}
+void DataViewer::draw(RotatedDC& dc) {
+}
+
+// ----------------------------------------------------------------------------- : Utility for ValueViewers
+
+bool   DataViewer::nativeLook()    const { return false; }
+bool   DataViewer::drawBorders()   const { return false; }
+wxPen  DataViewer::borderPen(bool) const { return wxPen(); }
+Value* DataViewer::focusedValue()  const { return nullptr; }
+
+// ----------------------------------------------------------------------------- : Setting data
+
+
+// ----------------------------------------------------------------------------- : Viewers
+
+ValueViewerP DataViewer::makeViewer(const StyleP& style) {
+	return style->makeViewer(*this, style);
+}
+
+void DataViewer::onAction(const Action&, bool undone) {
+	// TODO
+}