#250741 Doc for Making task editable

1 files changed, 31 insertions, 1 deletions

diff --git a/doc/src/snippets/stringlistmodel/model.cpp b/doc/src/snippets/stringlistmodel/model.cpp
index 76329dd..49e0fc7 100644
--- a/doc/src/snippets/stringlistmodel/model.cpp
+++ b/doc/src/snippets/stringlistmodel/model.cpp
@@ -59,6 +59,11 @@ int StringListModel::rowCount(const QModelIndex &parent) const
 }
 //! [0]
 
+
+#ifdef 0
+// This represents a read-only version of data(), an early stage in the 
+// development of the example leading to an editable StringListModel.
+
 /*!
     Returns an appropriate value for the requested data.
     If the view requests an invalid index, an invalid variant is returned.
@@ -66,7 +71,7 @@ int StringListModel::rowCount(const QModelIndex &parent) const
     string to be returned.
 */
 
-//! [1]
+//! [1-data-read-only]
 QVariant StringListModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid())
@@ -80,6 +85,31 @@ QVariant StringListModel::data(const QModelIndex &index, int role) const
     else
         return QVariant();
 }
+//! [1-data-read-only]
+#endif
+
+
+/*!
+    Returns an appropriate value for the requested data.
+    If the view requests an invalid index, an invalid variant is returned.
+    Any valid index that corresponds to a string in the list causes that
+    string to be returned.
+*/
+
+//! [1]
+QVariant StringListModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    if (index.row() >= stringList.size())
+        return QVariant();
+        
+    if (role == Qt::DisplayRole || role == Qt::EditRole)
+        return stringList.at(index.row());
+    else
+        return QVariant();
+}
 //! [1]
 
 /*!