Add tab with namespaces (schema's)

pglab/widgets/CatalogNamespacePage.h

@@ -0,0 +1,36 @@
+#ifndef CATALOGNAMESPACEPAGE_H
+#define CATALOGNAMESPACEPAGE_H
+
+#include "widgets/CatalogPageBase.h"
+
+class QTreeView;
+class NamespaceItemModel;
+class PgDatabaseCatalog;
+class SqlCodePreview;
+
+
+class CatalogNamespacePage : public QSplitter
+{
+	Q_OBJECT
+public:
+	explicit CatalogNamespacePage(QWidget *parent = nullptr);
+
+	void setCatalog(std::shared_ptr<const PgDatabaseCatalog> cat);
+signals:
+
+public slots:
+
+protected:
+
+private:
+	QTreeView *m_namespaceTree = nullptr;
+	SqlCodePreview *m_definitionView = nullptr;
+	NamespaceItemModel *m_model = nullptr;
+	CustomFilterSortModel *m_sortFilterProxy = nullptr;
+	std::shared_ptr<const PgDatabaseCatalog> m_catalog;
+
+	void retranslateUi();
+
+};
+
+#endif // CATALOGNAMESPACEPAGE_H