GH-2124 First complete implementation, installing is working now! GH-2172 Added sorting

application/FtbListModel.h

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <QAbstractListModel>
+#include <QSortFilterProxyModel>
+#include <modplatform/PackHelpers.h>
+
+class FtbFilterModel : public QSortFilterProxyModel
+{
+public:
+	FtbFilterModel(QObject* parent = Q_NULLPTR);
+	enum Sorting {
+		ByName,
+		ByGameVersion
+	};
+	const QMap<QString, Sorting> getAvailableSortings();
+	Sorting getCurrentSorting();
+	void setSorting(Sorting sorting);
+
+protected:
+	bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override;
+	bool lessThan(const QModelIndex &left, const QModelIndex &right) const override;
+
+private:
+	QMap<QString, Sorting> sortings;
+	Sorting currentSorting;
+
+};
+
+class FtbListModel : public QAbstractListModel
+{
+	Q_OBJECT
+private:
+	FtbModpackList modpacks;
+
+public:
+	FtbListModel(QObject *parent);
+	int rowCount(const QModelIndex &parent) const override;
+	int columnCount(const QModelIndex &parent) const override;
+	QVariant data(const QModelIndex &index, int role) const override;
+
+	void fill(FtbModpackList modpacks);
+
+	FtbModpack at(int row);
+
+};