Refactor CenterAlignSqlTableModel.

src/db/CenterAlignSqlTableModel.cpp

@@ -3,3 +3,17 @@
 //
 
 #include "CenterAlignSqlTableModel.h"
+QVariant CenterAlignSqlTableModel::data(const QModelIndex &index, int role) const {
+    if (index.column() > 0 && role == Qt::TextAlignmentRole) {
+        return Qt::AlignCenter;
+    }
+    if (index.column() > 0 && role == Qt::DisplayRole) {
+        auto val = QSqlTableModel::data(index, role).toString();
+        QStringList list = val.split("\n");
+        if (list.size() > 1)
+            return QString("%1...").arg(list[0].left(list[0].length() < 20 ? list[0].length() : 20));
+        return val;
+    } else {
+        return QSqlTableModel::data(index, role);
+    }
+}