Merge branch 'KDE/4.14'

[dolphin.git] / src / kitemviews / kitemmodelbase.h

diff --git a/src/kitemviews/kitemmodelbase.h b/src/kitemviews/kitemmodelbase.h
index 52fcaee36dcb08cb811d713c4909bf6ad577d897..283cfa5523b363fbe72996b27c40b8c7f4ec1538 100644 (file)
--- a/src/kitemviews/kitemmodelbase.h
+++ b/src/kitemviews/kitemmodelbase.h
@@ -25,23 +25,15 @@
 
 #include <libdolphin_export.h>
 
+#include <kitemviews/kitemrange.h>
+#include <kitemviews/kitemset.h>
+
 #include <QHash>
 #include <QObject>
-#include <QSet>
 #include <QVariant>
 
 class QMimeData;
 
-struct KItemRange
-{
-    KItemRange(int index = 0, int count = 0);
-    int index;
-    int count;
-
-    bool operator == (const KItemRange& other) const;
-};
-typedef QList<KItemRange> KItemRangeList;
-
 /**
  * @brief Base class for model implementations used by KItemListView and KItemListController.
  *
@@ -63,7 +55,7 @@ class LIBDOLPHINPRIVATE_EXPORT KItemModelBase : public QObject
 
 public:
     KItemModelBase(QObject* parent = 0);
-    KItemModelBase(const QByteArray& sortRole, QObject* parent = 0);
+    explicit KItemModelBase(const QByteArray& sortRole, QObject* parent = 0);
     virtual ~KItemModelBase();
 
     /** @return The number of items. */
@@ -154,9 +146,10 @@ public:
     /**
      * @return MIME-data for the items given by \a indexes. The default implementation
      *         returns 0. The ownership of the returned instance is in the hand of the
-     *         caller of this method.
+     *         caller of this method. The method must be implemented if dragging of
+     *         items should be possible.
      */
-    virtual QMimeData* createMimeData(const QSet<int>& indexes) const;
+    virtual QMimeData* createMimeData(const KItemSet& indexes) const;
 
     /**
      * @return Reimplement this to return the index for the first item
@@ -217,11 +210,20 @@ signals:
      * with the items 5 and 6 then the parameters look like this:
      * - itemRange: has the index 0 and a count of 7.
      * - movedToIndexes: Contains the seven values 5, 6, 2, 3, 4, 0, 1
+     *
+     * This signal implies that the groups might have changed. Therefore,
+     * gropusChanged() is not emitted if this signal is emitted.
      */
     void itemsMoved(const KItemRange& itemRange, const QList<int>& movedToIndexes);
 
     void itemsChanged(const KItemRangeList& itemRanges, const QSet<QByteArray>& roles);
 
+    /**
+     * Is emitted if the groups have changed, even though the order of the
+     * items has not been modified.
+     */
+    void groupsChanged();
+
     void groupedSortingChanged(bool current);
     void sortRoleChanged(const QByteArray& current, const QByteArray& previous);
     void sortOrderChanged(Qt::SortOrder current, Qt::SortOrder previous);