Jeck - fix to issue 318.

projects/mtg/include/GameStateShop.h

@@ -59,6 +59,7 @@ class GameStateShop: public GameState, public JGuiListener
   PriceList * pricelist;
   PlayerData * playerdata;
   bool mTouched;
+  bool needLoad;
   int mPrices[SHOP_ITEMS];
   int mCounts[SHOP_ITEMS];
   int mInventory[SHOP_ITEMS];

projects/mtg/include/WGui.h

@@ -423,7 +423,7 @@ public:
   void addColumn();
   bool isAvailable(int type);
   bool isAvailableCode(string code);
-  void Finish();
+  bool Finish(); //Returns true if card set reasonably expected to be changed.
   bool isFinished() {return bFinished;};
   void ButtonPressed(int controllerId, int controlId);
   void buildList();
@@ -432,6 +432,7 @@ protected:
   void addArg(string display, string code);
   vector< pair<string,string> > tempArgs; //TODO FIXME this is inefficient
   bool bFinished;
+  string priorFilter;
   WSrcCards* source;
   SimpleMenu* subMenu;
   WGuiList * list;

projects/mtg/src/GameStateShop.cpp

@@ -63,6 +63,7 @@ void GameStateShop::Start(){
   mTouched = false;
   mStage = STAGE_FADE_IN;
   mElapsed = 0;
+  needLoad = true;
   booster = NULL;
   srcCards = NEW WSrcUnlockedCards(0);
   srcCards->setElapsed(15);
@@ -467,12 +468,13 @@ void GameStateShop::Update(float dt)
       }
       if(filterMenu){
         if(btn == PSP_CTRL_SELECT){
-          filterMenu->Finish();
+          needLoad = filterMenu->Finish();
           filterMenu->Update(dt);
           return;
         }
         if(filterMenu->isFinished()){
-          load();
+          if(needLoad)
+            load();
           mStage = STAGE_SHOP_SHOP;
         }else{
           filterMenu->CheckUserInput(btn);

projects/mtg/src/WGui.cpp

@@ -1299,18 +1299,24 @@ WGuiListRow::WGuiListRow(string n, WSyncable * s) : WGuiList(n,s) {
   height = 20;
 }
 //WGuiFilterUI
-void WGuiFilters::Finish(){
+bool WGuiFilters::Finish(){
   bFinished = true;
+  string src;
   if(source){
-    string src = getCode();
+    src = getCode();
+    if(priorFilter == src)
+      return false;
     source->clearFilters();
     if(src.size()){
       WCFilterFactory * wc = WCFilterFactory::GetInstance();
       source->addFilter(wc->Construct(src));
     }
-    if(!source->Size())
-      source->clearFilters(); //TODO: Pop a "No results found" warning.
+    if(!source->Size()){
+      source->clearFilters(); //TODO: Pop a "No results found" warning
+    }
   }
+  priorFilter = src;
+  return true;
 }
 void WGuiFilters::ButtonPressed(int controllerId, int controlId){
   if(controllerId == -102){