Restructured locations of source.

src/pglab/QueryExplainModel.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <QAbstractItemModel>
+#include <string>
+#include "ExplainTreeModelItem.h"
+
+/** \brief Model class for displaying the explain of a query in a tree like format.
+ */
+class QueryExplainModel : public QAbstractItemModel
+{
+	Q_OBJECT
+public:
+	explicit QueryExplainModel(QObject *parent, ExplainRoot::SPtr exp);
+
+	QVariant data(const QModelIndex &index, int role) const override;
+
+//	Qt::ItemFlags flags(const QModelIndex &index) const override;
+
+	QVariant headerData(int section, Qt::Orientation orientation,
+		int role = Qt::DisplayRole) const override;
+
+	QModelIndex index(int row, int column,
+		const QModelIndex &parent = QModelIndex()) const override;
+
+	QModelIndex parent(const QModelIndex &index) const override;
+
+	int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+
+	int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+
+private:
+	ExplainRoot::SPtr explain;
+};