Added support for custom colors for graphs;

Moved 'choice colors' from styel to field, split into 'choice colors' and 'choice colors cardlist';
Added support for pie graphs (no gui to use them, though);
Fixed bugs caused by selecting a card before the set was changed on all panels.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@336 0fc631ac-6414-0410-93d0-97cfa31319b6

src/render/card/viewer.cpp

@@ -93,6 +93,13 @@ void DataViewer::setCard(const CardP& card, bool refresh) {
 	onChangeSize();
 }
 
+void DataViewer::onChangeSet() {
+	viewers.clear();
+	onInit();
+	onChange();
+	onChangeSize();
+}
+
 // ----------------------------------------------------------------------------- : Viewers
 
 struct CompareViewer {

src/render/card/viewer.hpp

@@ -67,6 +67,9 @@ class DataViewer : public SetView {
 	/** \param refresh: Always refresh, even if this card is already shown */
 	void setCard(const CardP& card, bool refresh = false);
 	
+	/// Clear data
+	virtual void onChangeSet();
+	
 	// --------------------------------------------------- : The viewers
   protected:
 	/// Set the styles for the data to be shown, recreating the viewers