1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "CheatsModel.h"
  7
  8extern "C" {
  9#include "gba/cheats.h"
 10#include "util/vfs.h"
 11}
 12
 13using namespace QGBA;
 14
 15CheatsModel::CheatsModel(GBACheatDevice* device, QObject* parent)
 16	: QAbstractItemModel(parent)
 17	, m_device(device)
 18{
 19}
 20
 21QVariant CheatsModel::data(const QModelIndex& index, int role) const {
 22	if (!index.isValid()) {
 23		return QVariant();
 24	}
 25
 26	int row = index.row();
 27	const GBACheatSet* cheats = static_cast<const GBACheatSet*>(index.internalPointer());
 28	switch (role) {
 29	case Qt::DisplayRole:
 30	case Qt::EditRole:
 31		return cheats->name ? cheats->name : tr("(untitled)");
 32	case Qt::CheckStateRole:
 33		return Qt::Checked;
 34	default:
 35		return QVariant();
 36	}
 37}
 38
 39bool CheatsModel::setData(const QModelIndex& index, const QVariant& value, int role) {
 40	if (!index.isValid()) {
 41		return false;
 42	}
 43
 44	int row = index.row();
 45	GBACheatSet* cheats = static_cast<GBACheatSet*>(index.internalPointer());
 46	switch (role) {
 47	case Qt::DisplayRole:
 48	case Qt::EditRole:
 49		if (cheats->name) {
 50			free(cheats->name);
 51			cheats->name = nullptr;
 52		}
 53		cheats->name = strdup(value.toString().toLocal8Bit().constData());
 54		return true;
 55	case Qt::CheckStateRole:
 56		return false;
 57	default:
 58		return false;
 59	}
 60}
 61
 62QModelIndex CheatsModel::index(int row, int column, const QModelIndex& parent) const {
 63	return createIndex(row, column, *GBACheatSetsGetPointer(&m_device->cheats, row));
 64}
 65
 66QModelIndex CheatsModel::parent(const QModelIndex& index) const {
 67	return QModelIndex();
 68}
 69
 70Qt::ItemFlags CheatsModel::flags(const QModelIndex &index) const {
 71	if (!index.isValid()) {
 72		return 0;
 73	}
 74
 75	return Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable;
 76}
 77
 78int CheatsModel::columnCount(const QModelIndex& parent) const {
 79	return 1;
 80}
 81
 82int CheatsModel::rowCount(const QModelIndex& parent) const {
 83	if (parent.isValid()) {
 84		return 0;
 85	}
 86	return GBACheatSetsSize(&m_device->cheats);
 87}
 88
 89GBACheatSet* CheatsModel::itemAt(const QModelIndex& index) {
 90	if (!index.isValid()) {
 91		return nullptr;
 92	}
 93	return static_cast<GBACheatSet*>(index.internalPointer());
 94}
 95
 96void CheatsModel::loadFile(const QString& path) {
 97	VFile* vf = VFileOpen(path.toLocal8Bit().constData(), O_RDONLY);
 98	if (!vf) {
 99		return;
100	}
101	beginResetModel();
102	GBACheatParseFile(m_device, vf);
103	endResetModel();
104	vf->close(vf);
105}
106
107void CheatsModel::addSet(GBACheatSet* set) {
108	beginInsertRows(QModelIndex(), GBACheatSetsSize(&m_device->cheats), GBACheatSetsSize(&m_device->cheats) + 1);
109	*GBACheatSetsAppend(&m_device->cheats) = set;
110	endInsertRows();
111}
112
113void CheatsModel::invalidated() {
114	beginResetModel();
115	endResetModel();
116}