diff --git a/CMakeLists.txt b/CMakeLists.txt
index 556d4023d..d5912a7ec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -210,6 +210,8 @@ set(APP_SOURCES
   src/core/webbrowsernetworkaccessmanager.cpp
   src/core/textfactory.cpp
   src/core/databasefactory.cpp
+  src/core/messagesmodel.cpp
+  src/core/messagesproxymodel.cpp
 
   # Basic application sources.
   src/main.cpp
@@ -253,6 +255,8 @@ set(APP_HEADERS
   src/core/webbrowsernetworkaccessmanager.h
   src/core/basewebpage.h
   src/core/databasefactory.h
+  src/core/messagesmodel.h
+  src/core/messagesproxymodel.h
 )
 
 # Add form files.
diff --git a/src/core/messagesmodel.cpp b/src/core/messagesmodel.cpp
new file mode 100644
index 000000000..6586519ae
--- /dev/null
+++ b/src/core/messagesmodel.cpp
@@ -0,0 +1,5 @@
+#include "core/messagesmodel.h"
+
+
+MessagesModel::MessagesModel(QObject *parent) : QSqlTableModel(parent) {
+}
diff --git a/src/core/messagesmodel.h b/src/core/messagesmodel.h
new file mode 100644
index 000000000..bb8b1e509
--- /dev/null
+++ b/src/core/messagesmodel.h
@@ -0,0 +1,19 @@
+#ifndef MESSAGESMODEL_H
+#define MESSAGESMODEL_H
+
+#include <QSqlTableModel>
+
+
+class MessagesModel : public QSqlTableModel {
+    Q_OBJECT
+
+  public:
+    explicit MessagesModel(QObject *parent = 0);
+
+  signals:
+
+  public slots:
+
+};
+
+#endif // MESSAGESMODEL_H
diff --git a/src/core/messagesproxymodel.cpp b/src/core/messagesproxymodel.cpp
new file mode 100644
index 000000000..39ada9074
--- /dev/null
+++ b/src/core/messagesproxymodel.cpp
@@ -0,0 +1,6 @@
+#include "core/messagesproxymodel.h"
+
+
+MessagesProxyModel::MessagesProxyModel(QObject *parent)
+  : QSortFilterProxyModel(parent) {
+}
diff --git a/src/core/messagesproxymodel.h b/src/core/messagesproxymodel.h
new file mode 100644
index 000000000..44341bef9
--- /dev/null
+++ b/src/core/messagesproxymodel.h
@@ -0,0 +1,19 @@
+#ifndef MESSAGESPROXYMODEL_H
+#define MESSAGESPROXYMODEL_H
+
+#include <QSortFilterProxyModel>
+
+
+class MessagesProxyModel : public QSortFilterProxyModel {
+    Q_OBJECT
+
+  public:
+    explicit MessagesProxyModel(QObject *parent = 0);
+
+  signals:
+
+  public slots:
+
+};
+
+#endif // MESSAGESPROXYMODEL_H
diff --git a/src/gui/baselineedit.h b/src/gui/baselineedit.h
index 628d9787d..5a3fe65ba 100644
--- a/src/gui/baselineedit.h
+++ b/src/gui/baselineedit.h
@@ -6,11 +6,12 @@
 
 class BaseLineEdit : public QLineEdit {
     Q_OBJECT
+
   public:
     // Constructors and destructors.
     explicit BaseLineEdit(QWidget *parent = 0);
     virtual ~BaseLineEdit();
-    
+
   protected:
     void keyPressEvent(QKeyEvent *event);