diff options
| -rw-r--r-- | smtreemodel.cpp | 14 | ||||
| -rw-r--r-- | smtreemodel.h | 3 |
2 files changed, 16 insertions, 1 deletions
diff --git a/smtreemodel.cpp b/smtreemodel.cpp index 2c7a2d6..fe5482c 100644 --- a/smtreemodel.cpp +++ b/smtreemodel.cpp @@ -39,6 +39,20 @@ QModelIndex SmTreeModel::index(int row, int column, const QModelIndex &parent) c return QModelIndex(); } +QModelIndex SmTreeModel::parent(const QModelIndex &child) const{ + if(!child.isValid()){ + return QModelIndex(); + } + + SmTreeItem *childItem = itemAt(child); + SmTreeItem *parentItem = childItem->parent(); + + if(parentItem == mRootItem){ + return QModelIndex(); + } + return createIndex(parentItem->row(), 0, parentItem); +} + Qt::ItemFlags SmTreeModel::flags(const QModelIndex &index) const{ if(!index.isValid()){ return 0; diff --git a/smtreemodel.h b/smtreemodel.h index 46f852f..698a2ce 100644 --- a/smtreemodel.h +++ b/smtreemodel.h @@ -23,8 +23,9 @@ class SmTreeModel : public QAbstractItemModel { int rowCount(const QModelIndex &parent) const; int columnCount(const QModelIndex &parent) const; - // index and flags + // index, parent and flags QModelIndex index(int row, int column, const QModelIndex &parent) const; + QModelIndex parent(const QModelIndex &child) const; Qt::ItemFlags flags(const QModelIndex &index) const; // headers + data |