minor simplification

[dolphin.git] / src / kcategorizedview.cpp

diff --git a/src/kcategorizedview.cpp b/src/kcategorizedview.cpp
index b0777415717ade131eef82a95af9d17fad39e0e0..e178760ee4f1b7812657aec050a12e01411c1b08 100644 (file)
--- a/src/kcategorizedview.cpp
+++ b/src/kcategorizedview.cpp
@@ -33,7 +33,7 @@
 #include <kstyle.h>
 
 #include "kitemcategorizer.h"
-#include "ksortfilterproxymodel.h"
+#include "dolphinsortfilterproxymodel.h"
 
 class LessThan
 {
@@ -44,7 +44,7 @@ public:
         CategoryPurpose
     };
 
-    inline LessThan(const KSortFilterProxyModel *proxyModel,
+    inline LessThan(const DolphinSortFilterProxyModel *proxyModel,
                     Purpose purpose)
         : proxyModel(proxyModel)
         , purpose(purpose)
@@ -67,7 +67,7 @@ public:
     }
 
 private:
-    const KSortFilterProxyModel *proxyModel;
+    const DolphinSortFilterProxyModel *proxyModel;
     const Purpose purpose;
 };
 
@@ -485,7 +485,7 @@ void KCategorizedView::setModel(QAbstractItemModel *model)
 
     QListView::setModel(model);
 
-    d->proxyModel = dynamic_cast<KSortFilterProxyModel*>(model);
+    d->proxyModel = dynamic_cast<DolphinSortFilterProxyModel*>(model);
 
     if (d->proxyModel)
     {
@@ -1000,8 +1000,11 @@ void KCategorizedView::dragLeaveEvent(QDragLeaveEvent *event)
 QModelIndex KCategorizedView::moveCursor(CursorAction cursorAction,
                                   Qt::KeyboardModifiers modifiers)
 {
-    if ((viewMode() != KCategorizedView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
+    if (    (viewMode() != KCategorizedView::IconMode) || 
+            !d->proxyModel ||
+            !d->itemCategorizer || 
+            d->categories.isEmpty()     
+       )
     {
         return QListView::moveCursor(cursorAction, modifiers);
     }
@@ -1023,9 +1026,10 @@ QModelIndex KCategorizedView::moveCursor(CursorAction cursorAction,
     int itemWidthPlusSeparation = spacing() + itemWidth;
     int elementsPerRow = viewportWidth / itemWidthPlusSeparation;
 
-    QString lastCategory = d->categories[0];
-    QString theCategory = d->categories[0];
-    QString afterCategory = d->categories[0];
+    QString lastCategory = d->categories.first();
+    QString theCategory = d->categories.first();
+    QString afterCategory = d->categories.first();
+
     bool hasToBreak = false;
     foreach (const QString &category, d->categories)
     {