Fix brute forcing of colors

Don't brute force coloring MappingTree by calling (begin|
it keeps the focus.

1 files changed, 17 insertions, 10 deletions

diff --git a/mappingtreemodel.cpp b/mappingtreemodel.cpp
index 35b6acd..b2ca982 100644
--- a/mappingtreemodel.cpp
+++ b/mappingtreemodel.cpp
@@ -102,8 +102,7 @@ QVariant MappingTreeModel::data(const QModelIndex &index, int role) const{
         return item->data(Added);
     }
     if(role == Qt::ForegroundRole){
-        int id = item->data(Id).toInt();
-        if(mSelectedMappings.contains(id)){
+        if(mSelectedMappings.contains(item)){
             return QColor(Qt::blue);
         }
     }
@@ -284,17 +283,25 @@ MappingData MappingTreeModel::mappingDataFromId(int mappingId) const{
 }
 
 void MappingTreeModel::setSelectedMappings(const QList<int> &mappingIds){
-    //FIXME: Brute forcing looses focus which is needed for windowTitle!
-    mSelectedMappings = mappingIds;
-    /*foreach(int id, mappingIds){
+    //we can't change the list we're iterating over... that would wreak havoc
+    QList<SmTreeItem*> iterateList = mSelectedMappings;
+    foreach(SmTreeItem *item, iterateList){
+        mSelectedMappings.removeAll(item);
+        QModelIndex idxStart = createIndex(item->parent()->row(), 0, item);
+        QModelIndex idxEnd = createIndex(item->parent()->row(), NumFields - 1, item);
+        emit dataChanged(idxStart, idxEnd);
+    }
+    mSelectedMappings.clear();
+    foreach(int id, mappingIds){
         QModelIndex idx = findRecursive(id, Id);
         if(idx.isValid()){
-            emit dataChanged(idx, idx);
+            SmTreeItem *item = static_cast<SmTreeItem*>(idx.internalPointer());
+            mSelectedMappings << item;
+            QModelIndex idxStart = createIndex(item->parent()->row(), 0, item);
+            QModelIndex idxEnd = createIndex(item->parent()->row(), NumFields - 1, item);
+            emit dataChanged(idxStart, idxEnd);
         }
-    }*/
-    beginResetModel();
-    endResetModel();
-    emit needExpansion();
+    }
 }
 
 QStringList MappingTreeModel::paths() const{