X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/d0e7eabcaa259eeef14fa9c29b36cfefc46f8143..961c3eef96a6370ca32488b9a9c5d63a7b166a90:/src/kcategorizedview.cpp

diff --git a/src/kcategorizedview.cpp b/src/kcategorizedview.cpp
index bb014b31e..20f9675f6 100644
--- a/src/kcategorizedview.cpp
+++ b/src/kcategorizedview.cpp
@@ -476,10 +476,6 @@ void KCategorizedView::setModel(QAbstractItemModel *model)
 
     if (d->proxyModel)
     {
-        QObject::disconnect(d->proxyModel,
-                            SIGNAL(layoutAboutToBeChanged()),
-                            this, SLOT(slotLayoutAboutToBeChanged()));
-
         QObject::disconnect(d->proxyModel,
                             SIGNAL(layoutChanged()),
                             this, SLOT(slotLayoutChanged()));
@@ -487,6 +483,10 @@ void KCategorizedView::setModel(QAbstractItemModel *model)
         QObject::disconnect(d->proxyModel,
                             SIGNAL(dataChanged(QModelIndex,QModelIndex)),
                             this, SLOT(slotLayoutChanged()));
+
+        QObject::disconnect(d->proxyModel,
+                            SIGNAL(rowsRemoved(QModelIndex,int,int)),
+                            this, SLOT(rowsRemoved(QModelIndex,int,int)));
     }
 
     QListView::setModel(model);
@@ -497,12 +497,9 @@ void KCategorizedView::setModel(QAbstractItemModel *model)
     {
         d->modelSortRole = d->proxyModel->sortRole();
         d->modelSortColumn = d->proxyModel->sortColumn();
+        d->modelCategorized = true;
         d->modelSortOrder = d->proxyModel->sortOrder();
 
-        QObject::connect(d->proxyModel,
-                         SIGNAL(layoutAboutToBeChanged()),
-                         this, SLOT(slotLayoutAboutToBeChanged()));
-
         QObject::connect(d->proxyModel,
                          SIGNAL(layoutChanged()),
                          this, SLOT(slotLayoutChanged()));
@@ -510,6 +507,19 @@ void KCategorizedView::setModel(QAbstractItemModel *model)
         QObject::connect(d->proxyModel,
                          SIGNAL(dataChanged(QModelIndex,QModelIndex)),
                          this, SLOT(slotLayoutChanged()));
+
+        QObject::connect(d->proxyModel,
+                         SIGNAL(rowsRemoved(QModelIndex,int,int)),
+                         this, SLOT(rowsRemoved(QModelIndex,int,int)));
+
+        if (d->proxyModel->rowCount())
+        {
+            rowsInsertedArtifficial(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
+        }
+    }
+    else
+    {
+        d->modelCategorized = false;
     }
 }
 
@@ -551,10 +561,6 @@ void KCategorizedView::setCategoryDrawer(KCategoryDrawer *categoryDrawer)
 
     if (!categoryDrawer && d->proxyModel)
     {
-        QObject::disconnect(d->proxyModel,
-                            SIGNAL(layoutAboutToBeChanged()),
-                            this, SLOT(slotLayoutAboutToBeChanged()));
-
         QObject::disconnect(d->proxyModel,
                             SIGNAL(layoutChanged()),
                             this, SLOT(slotLayoutChanged()));
@@ -562,13 +568,13 @@ void KCategorizedView::setCategoryDrawer(KCategoryDrawer *categoryDrawer)
         QObject::disconnect(d->proxyModel,
                             SIGNAL(dataChanged(QModelIndex,QModelIndex)),
                             this, SLOT(slotLayoutChanged()));
+
+        QObject::disconnect(d->proxyModel,
+                            SIGNAL(rowsRemoved(QModelIndex,int,int)),
+                            this, SLOT(rowsRemoved(QModelIndex,int,int)));
     }
     else if (categoryDrawer && d->proxyModel)
     {
-        QObject::connect(d->proxyModel,
-                         SIGNAL(layoutAboutToBeChanged()),
-                         this, SLOT(slotLayoutAboutToBeChanged()));
-
         QObject::connect(d->proxyModel,
                          SIGNAL(layoutChanged()),
                          this, SLOT(slotLayoutChanged()));
@@ -576,6 +582,10 @@ void KCategorizedView::setCategoryDrawer(KCategoryDrawer *categoryDrawer)
         QObject::connect(d->proxyModel,
                          SIGNAL(dataChanged(QModelIndex,QModelIndex)),
                          this, SLOT(slotLayoutChanged()));
+
+        QObject::connect(d->proxyModel,
+                         SIGNAL(rowsRemoved(QModelIndex,int,int)),
+                         this, SLOT(rowsRemoved(QModelIndex,int,int)));
     }
 
     d->categoryDrawer = categoryDrawer;
@@ -584,7 +594,7 @@ void KCategorizedView::setCategoryDrawer(KCategoryDrawer *categoryDrawer)
     {
         if (d->proxyModel)
         {
-            rowsInserted(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
+            rowsInsertedArtifficial(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
         }
     }
     else
@@ -1225,8 +1235,8 @@ void KCategorizedView::rowsInserted(const QModelIndex &parent,
 }
 
 void KCategorizedView::rowsInsertedArtifficial(const QModelIndex &parent,
-                                        int start,
-                                        int end)
+                                               int start,
+                                               int end)
 {
     Q_UNUSED(parent);
 
@@ -1249,25 +1259,24 @@ void KCategorizedView::rowsInsertedArtifficial(const QModelIndex &parent,
         return;
     }
 
-    // Add all elements mapped to the source model
-    for (int k = 0; k < d->proxyModel->rowCount(); k++)
-    {
-        d->biggestItemSize = QSize(qMax(sizeHintForIndex(d->proxyModel->index(k, 0)).width(),
-                                        d->biggestItemSize.width()),
-                                   qMax(sizeHintForIndex(d->proxyModel->index(k, 0)).height(),
-                                        d->biggestItemSize.height()));
-
-        d->modelIndexList << d->proxyModel->index(k, d->proxyModel->sortColumn());
-    }
-
-    // Explore categories
-    QString prevCategory = d->proxyModel->data(d->modelIndexList[0], KCategorizedSortFilterProxyModel::CategoryRole).toString();
+    // Add all elements mapped to the source model and explore categories
+    QString prevCategory = d->proxyModel->data(d->proxyModel->index(0, d->proxyModel->sortColumn()), KCategorizedSortFilterProxyModel::CategoryRole).toString();
     QString lastCategory = prevCategory;
     QModelIndexList modelIndexList;
     struct Private::ElementInfo elementInfo;
     int offset = -1;
-    foreach (const QModelIndex &index, d->modelIndexList)
+    for (int k = 0; k < d->proxyModel->rowCount(); ++k)
     {
+        QModelIndex index = d->proxyModel->index(k, d->proxyModel->sortColumn());
+        QModelIndex indexSize = d->proxyModel->index(k, 0);
+
+        d->biggestItemSize = QSize(qMax(sizeHintForIndex(indexSize).width(),
+                                        d->biggestItemSize.width()),
+                                   qMax(sizeHintForIndex(indexSize).height(),
+                                        d->biggestItemSize.height()));
+
+        d->modelIndexList << index;
+
         lastCategory = d->proxyModel->data(index, KCategorizedSortFilterProxyModel::CategoryRole).toString();
 
         elementInfo.category = lastCategory;
@@ -1299,14 +1308,14 @@ void KCategorizedView::rowsInsertedArtifficial(const QModelIndex &parent,
 }
 
 void KCategorizedView::rowsRemoved(const QModelIndex &parent,
-                            int start,
-                            int end)
+                                   int start,
+                                   int end)
 {
     if ((viewMode() == KCategorizedView::IconMode) && d->proxyModel &&
         d->categoryDrawer && d->proxyModel->isCategorizedModel())
     {
         // Force the view to update all elements
-        rowsInsertedArtifficial(parent, start, end);
+        rowsInsertedArtifficial(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
     }
 }
 
@@ -1324,32 +1333,28 @@ void KCategorizedView::updateGeometries()
     QAbstractItemView::updateGeometries();
 }
 
-void KCategorizedView::slotLayoutAboutToBeChanged()
-{
-    if ((viewMode() == KCategorizedView::IconMode) && d->proxyModel &&
-        d->categoryDrawer && d->proxyModel->isCategorizedModel())
-    {
-        d->modelSortRole = d->proxyModel->sortRole();
-        d->modelSortColumn = d->proxyModel->sortColumn();
-        d->modelSortOrder = d->proxyModel->sortOrder();
-    }
-}
-
 void KCategorizedView::slotLayoutChanged()
 {
     if ((viewMode() == KCategorizedView::IconMode) && d->proxyModel &&
         d->categoryDrawer && d->proxyModel->isCategorizedModel() &&
         ((d->modelSortRole != d->proxyModel->sortRole()) ||
          (d->modelSortColumn != d->proxyModel->sortColumn()) ||
-         (d->modelSortOrder != d->proxyModel->sortOrder())))
+         (d->modelSortOrder != d->proxyModel->sortOrder()) ||
+         (d->modelCategorized != d->proxyModel->isCategorizedModel())))
     {
         // Force the view to update all elements
         rowsInsertedArtifficial(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
 
         d->modelSortRole = d->proxyModel->sortRole();
         d->modelSortColumn = d->proxyModel->sortColumn();
+        d->modelCategorized = d->proxyModel->isCategorizedModel();
         d->modelSortOrder = d->proxyModel->sortOrder();
     }
+    else if ((viewMode() == KCategorizedView::IconMode) && d->proxyModel &&
+             d->categoryDrawer && d->proxyModel->isCategorizedModel())
+    {
+        d->updateScrollbars();
+    }
 }
 
 #include "kcategorizedview.moc"