perliminaries for filtered card list

src/gui/control/graph.cpp

@@ -14,6 +14,7 @@
 DECLARE_TYPEOF_COLLECTION(GraphAxisP);
 DECLARE_TYPEOF_COLLECTION(GraphElementP);
 DECLARE_TYPEOF_COLLECTION(GraphGroup);
+DECLARE_TYPEOF_COLLECTION(int);
 typedef map<String,UInt> map_String_UInt;
 DECLARE_TYPEOF(map_String_UInt);
 
@@ -257,6 +258,19 @@ void GraphControl::onMouseDown(wxMouseEvent& ev) {
 	}
 }
 
+bool GraphControl::hasSelection(size_t axis) const {
+	return current_item.size() >= axis && current_item[axis] >= 0;
+}
+void GraphControl::getSelection(vector<String>& out) const {
+	out.clear();
+	if (!graph) return;
+	FOR_EACH_2_CONST(i, current_item, a, graph->getData().axes) {
+		if (i >= 0) {
+			out.push_back((size_t)i < a->groups.size() ? a->groups[i].name : wxEmptyString);
+		}
+	}
+}
+
 BEGIN_EVENT_TABLE(GraphControl, wxControl)
 	EVT_PAINT		(GraphControl::onPaint)
 	EVT_SIZE		(GraphControl::onSize)

src/gui/control/graph.hpp

@@ -90,6 +90,8 @@ class Graph {
 	virtual bool findItem(const RealPoint& pos, const RealRect& rect, vector<int>& out) const { return false; }
 	/// Change the data
 	virtual void setData(const GraphDataP& d) { data = d; }
+	/// Get the data
+	inline const GraphData& getData() const { return *data; }
 	
   protected:
 	/// Data of the graph
@@ -162,6 +164,11 @@ class GraphControl : public wxControl {
 	/// Update the data in the graph
 	void setData(const GraphDataP& data);
 	
+	/// Is there a selection on the given axis?
+	bool hasSelection(size_t axis) const;
+	/// Get the current item, returns the selected value on each axis in out
+	void getSelection(vector<String>& out) const;
+	
   private:
 	/// Graph object
 	GraphP graph;

src/gui/set/stats_panel.cpp

@@ -18,6 +18,7 @@
 #include <wx/splitter.h>
 
 DECLARE_TYPEOF_COLLECTION(StatsDimensionP);
+DECLARE_TYPEOF_COLLECTION(String);
 DECLARE_TYPEOF_COLLECTION(CardP);
 
 // ----------------------------------------------------------------------------- : StatCategoryList
@@ -131,6 +132,24 @@ void StatsPanel::onCommand(int id) {
 	}
 }
 
+class StatsFilter : public CardListFilter {
+  public:
+	StatsFilter(Set& set, const vector<StatsDimensionP>& dims, const vector<String>& values)
+		: set(set), dims(dims), values(values)
+	{}
+	virtual bool keep(const CardP& card) {
+		Context& ctx = set.getContext(card);
+		FOR_EACH_2(d, dims, v, values) {
+			if (*d->script.invoke(ctx) != v) return false;
+		}
+		return true;
+	}
+  private:
+	Set&                    set;
+	vector<StatsDimensionP> dims;
+	vector<String>          values;
+};
+
 // ----------------------------------------------------------------------------- : Selection
 
 CardP StatsPanel::selectedCard() const {