Speed up deck editor filtering

 * card: cache simpleName for each card
 * deck editor: remove double comparation of searched term with card
name when sorting

cockatrice/src/carddatabase.cpp

@@ -407,6 +407,7 @@ CardInfo::CardInfo(CardDatabase *_db,
       tableRow(_tableRow)
 {
     pixmapCacheKey = QLatin1String("card_") + name;
+    simpleName = CardInfo::simplifyName(name);
 
     for (int i = 0; i < sets.size(); i++)
         sets[i]->append(this);
@@ -660,14 +661,14 @@ void CardDatabase::clear()
 void CardDatabase::addCard(CardInfo *card)
 {
     cards.insert(card->getName(), card);
-    simpleNameCards.insert(CardInfo::simplifyName(card->getName()), card);
+    simpleNameCards.insert(card->getSimpleName(), card);
     emit cardAdded(card);
 }
 
 void CardDatabase::removeCard(CardInfo *card)
 {
     cards.remove(card->getName());
-    simpleNameCards.remove(CardInfo::simplifyName(card->getName()));
+    simpleNameCards.remove(card->getSimpleName());
     emit cardRemoved(card);
 }
 

cockatrice/src/carddatabase.h

@@ -142,6 +142,7 @@ public:
         MuidMap muids = MuidMap());
     ~CardInfo();
     const QString &getName() const { return name; }
+    const QString &getSimpleName() const { return simpleName; }
     bool getIsToken() const { return isToken; }
     const SetList &getSets() const { return sets; }
     const QString &getManaCost() const { return manacost; }

cockatrice/src/carddatabasemodel.cpp

@@ -125,19 +125,16 @@ bool CardDatabaseDisplayModel::lessThan(const QModelIndex &left, const QModelInd
 
     if (!cardName.isEmpty())
     {
-        // exact match should be at top
-        if (leftString.compare(cardName, Qt::CaseInsensitive) == 0)
-            return true;
-
-        // exact match should be at top
-        if (rightString.compare(cardName, Qt::CaseInsensitive) == 0)
-            return false;
+        bool isLeftType = leftString.startsWith(cardName, Qt::CaseInsensitive);
+        bool isRightType = rightString.startsWith(cardName, Qt::CaseInsensitive);
 
-        bool isLeftType2 = leftString.startsWith(cardName, Qt::CaseInsensitive);
-        bool isRightType2 = rightString.startsWith(cardName, Qt::CaseInsensitive);
-        if (isLeftType2 && !isRightType2)
+        // test for an exact match: isLeftType && leftString.size() == cardName.size()
+        // or an exclusive start match: isLeftType && !isRightType
+        if (isLeftType && (!isRightType || leftString.size() == cardName.size()))
             return true;
-        if (isRightType2 && !isLeftType2)
+
+        // same checks for the right string
+        if (isRightType && (!isLeftType || rightString.size() == cardName.size()))
             return false;
     }
     return QString::localeAwareCompare(leftString, rightString) < 0;
@@ -150,12 +147,11 @@ bool CardDatabaseDisplayModel::filterAcceptsRow(int sourceRow, const QModelIndex
     if (((isToken == ShowTrue) && !info->getIsToken()) || ((isToken == ShowFalse) && info->getIsToken()))
         return false;
 
-    if (!CardInfo::simplifyName(info->getName()).contains(cardName, Qt::CaseInsensitive))
+    if (!cardName.isEmpty() && !info->getSimpleName().contains(cardName, Qt::CaseInsensitive))
         return false;
 
-    if (!cardNameSet.isEmpty())
-        if (!cardNameSet.contains(info->getName()))
-            return false;
+    if (!cardNameSet.isEmpty() && !cardNameSet.contains(info->getName()))
+        return false;
 
     if (filterTree != NULL)
         return filterTree->acceptsCard(info);