Reorganization of pgLab project

pglab/catalog/models/ColumnTableModel.h

@@ -0,0 +1,66 @@
+#ifndef COLUMNTABLEMODEL_H
+#define COLUMNTABLEMODEL_H
+
+#include "catalog/models/BaseTableModel.h"
+#include "catalog/PgAttribute.h"
+#include "catalog/PgDatabaseCatalog.h"
+#include "catalog/PgClass.h"
+#include "catalog/PgIndex.h"
+#include <memory>
+#include <optional>
+#include <vector>
+
+class PgDatabaseCatalog;
+class PgAttribute;
+
+class ColumnTableModel: public BaseTableModel {
+	Q_OBJECT
+public:
+	enum e_Columns : int {
+		AttnumCol,
+		NameCol, ///
+		TypeCol,
+		NullCol,
+		DefaultCol,
+		ForeignKeyCol,
+		CollationCol,
+        CommentCol,
+
+		colCount };
+
+
+	using BaseTableModel::BaseTableModel;
+	void setData(std::shared_ptr<const PgDatabaseCatalog> cat, const std::optional<PgClass> &table);
+
+	// Header:
+	QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+
+	// Basic functionality:
+	int rowCount(const QModelIndex &parent) const override;
+	int columnCount(const QModelIndex &parent) const override;
+
+	QVariant data(const QModelIndex &index, int role) const override;
+	const PgAttribute& column(int row) const;
+protected:
+	virtual Oid getType(int column) const override;
+	virtual QVariant getData(const QModelIndex &index) const override;
+
+	using t_Columns = std::vector<PgAttribute>;
+
+	std::shared_ptr<const PgDatabaseCatalog> m_catalog;
+	std::optional<PgClass> m_table;
+	t_Columns m_columns;
+	std::vector<PgIndex> m_indexes;
+
+	QMetaObject::Connection refreshConnection;
+
+	QString getFKey(const PgAttribute &column) const;
+
+
+
+private slots:
+	/// Retrieves required data from catalog, called everytime it might have changed
+	void refresh();
+};
+
+#endif // COLUMNTABLEMODEL_H