GH-328 overhaul all relevant version lists

1 files changed, 382 insertions, 0 deletions

diff --git a/application/VersionProxyModel.cpp b/application/VersionProxyModel.cpp
new file mode 100644
index 00000000..2bfafd47
--- /dev/null
+++ b/application/VersionProxyModel.cpp
@@ -0,0 +1,382 @@
+#include "VersionProxyModel.h"
+#include "MultiMC.h"
+#include <QSortFilterProxyModel>
+#include <QPixmapCache>
+#include <modutils.h>
+
+class VersionFilterModel : public QSortFilterProxyModel
+{
+	Q_OBJECT
+public:
+	VersionFilterModel(VersionProxyModel *parent) : QSortFilterProxyModel(parent)
+	{
+		m_parent = parent;
+	}
+
+	bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
+	{
+		const auto &filters = m_parent->filters();
+		for (auto it = filters.begin(); it != filters.end(); ++it)
+		{
+			auto role = it.key();
+			auto idx = sourceModel()->index(source_row, 0, source_parent);
+			auto data = sourceModel()->data(idx, role);
+
+			switch(role)
+			{
+				case BaseVersionList::ParentGameVersionRole:
+				case BaseVersionList::VersionIdRole:
+				{
+					auto versionString = data.toString();
+					if(it.value().exact)
+					{
+						if (versionString != it.value().string)
+						{
+							return false;
+						}
+					}
+					else if (!Util::versionIsInInterval(versionString, it.value().string))
+					{
+						return false;
+					}
+				}
+				default:
+				{
+					auto match = data.toString();
+					if(it.value().exact)
+					{
+						if (match != it.value().string)
+						{
+							return false;
+						}
+					}
+					else if (match.contains(it.value().string))
+					{
+						return false;
+					}
+				}
+			}
+		}
+		return true;
+	}
+private:
+	VersionProxyModel *m_parent;
+};
+
+VersionProxyModel::VersionProxyModel(QObject *parent) : QAbstractProxyModel(parent)
+{
+	filterModel = new VersionFilterModel(this);
+	connect(filterModel, &QAbstractItemModel::dataChanged, this, &VersionProxyModel::sourceDataChanged);
+	// FIXME: implement when needed
+	/*
+	connect(replacing, &QAbstractItemModel::rowsAboutToBeInserted, this, &VersionProxyModel::sourceRowsAboutToBeInserted);
+	connect(replacing, &QAbstractItemModel::rowsInserted, this, &VersionProxyModel::sourceRowsInserted);
+	connect(replacing, &QAbstractItemModel::rowsAboutToBeRemoved, this, &VersionProxyModel::sourceRowsAboutToBeRemoved);
+	connect(replacing, &QAbstractItemModel::rowsRemoved, this, &VersionProxyModel::sourceRowsRemoved);
+	connect(replacing, &QAbstractItemModel::rowsAboutToBeMoved, this, &VersionProxyModel::sourceRowsAboutToBeMoved);
+	connect(replacing, &QAbstractItemModel::rowsMoved, this, &VersionProxyModel::sourceRowsMoved);
+	connect(replacing, &QAbstractItemModel::layoutAboutToBeChanged, this, &VersionProxyModel::sourceLayoutAboutToBeChanged);
+	connect(replacing, &QAbstractItemModel::layoutChanged, this, &VersionProxyModel::sourceLayoutChanged);
+	*/
+	connect(filterModel, &QAbstractItemModel::modelAboutToBeReset, this, &VersionProxyModel::sourceAboutToBeReset);
+	connect(filterModel, &QAbstractItemModel::modelReset, this, &VersionProxyModel::sourceReset);
+
+	QAbstractProxyModel::setSourceModel(filterModel);
+}
+
+QVariant VersionProxyModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+	if(section < 0 || section >= m_columns.size())
+		return QVariant();
+	if(orientation != Qt::Horizontal)
+		return QVariant();
+	auto column = m_columns[section];
+	if(role == Qt::DisplayRole)
+	{
+		switch(column)
+		{
+			case Name:
+				return tr("Version");
+			case ParentVersion:
+				return tr("Minecraft"); //FIXME: this should come from metadata
+			case Branch:
+				return tr("Branch");
+			case Type:
+				return tr("Type");
+			case Architecture:
+				return tr("Architecture");
+			case Path:
+				return tr("Path");
+		}
+	}
+	else if(role == Qt::ToolTipRole)
+	{
+		switch(column)
+		{
+			case Name:
+				return tr("The name of the version.");
+			case ParentVersion:
+				return tr("Minecraft version"); //FIXME: this should come from metadata
+			case Branch:
+				return tr("The version's branch");
+			case Type:
+				return tr("The version's type");
+			case Architecture:
+				return tr("CPU Architecture");
+			case Path:
+				return tr("Filesystem path to this version");
+		}
+	}
+	return QVariant();
+}
+
+QVariant VersionProxyModel::data(const QModelIndex &index, int role) const
+{
+	if(!index.isValid())
+	{
+		return QVariant();
+	}
+	auto column = m_columns[index.column()];
+	auto parentIndex = mapToSource(index);
+	switch(role)
+	{
+		case Qt::DisplayRole:
+		{
+			switch(column)
+			{
+				case Name:
+					return sourceModel()->data(parentIndex, BaseVersionList::VersionRole);
+				case ParentVersion:
+					return sourceModel()->data(parentIndex, BaseVersionList::ParentGameVersionRole);
+				case Branch:
+					return sourceModel()->data(parentIndex, BaseVersionList::BranchRole);
+				case Type:
+					return sourceModel()->data(parentIndex, BaseVersionList::TypeRole);
+				case Architecture:
+					return sourceModel()->data(parentIndex, BaseVersionList::ArchitectureRole);
+				case Path:
+					return sourceModel()->data(parentIndex, BaseVersionList::PathRole);
+				default:
+					return QVariant();
+			}
+		}
+		case Qt::ToolTipRole:
+		{
+			switch(column)
+			{
+				case Name:
+				{
+					auto value = sourceModel()->data(parentIndex, BaseVersionList::RecommendedRole);
+					if(value.toBool())
+					{
+						return tr("Recommended");
+					}
+					else if(index.row() == 0)
+					{
+						return tr("Latest");
+					}
+				}
+				default:
+				{
+					return sourceModel()->data(parentIndex, BaseVersionList::VersionIdRole);
+				}
+			}
+		}
+		case Qt::DecorationRole:
+		{
+			switch(column)
+			{
+				case Name:
+				{
+					auto value = sourceModel()->data(parentIndex, BaseVersionList::RecommendedRole);
+					if(value.toBool())
+					{
+						return MMC->getThemedIcon("star");
+					}
+					else if(index.row() == 0)
+					{
+						return MMC->getThemedIcon("bug");
+					}
+					auto pixmap = QPixmapCache::find("placeholder");
+					if(!pixmap)
+					{
+						QPixmap px(16,16);
+						px.fill(Qt::transparent);
+						QPixmapCache::insert("placeholder", px);
+						return px;
+					}
+					return *pixmap;
+				}
+				default:
+				{
+					return QVariant();
+				}
+			}
+		}
+		default:
+		{
+			if(roles.contains((BaseVersionList::ModelRoles)role))
+			{
+				return sourceModel()->data(parentIndex, role);
+			}
+			return QVariant();
+		}
+	}
+};
+
+QModelIndex VersionProxyModel::parent(const QModelIndex &child) const
+{
+	return QModelIndex();
+}
+
+QModelIndex VersionProxyModel::mapFromSource(const QModelIndex &sourceIndex) const
+{
+	if(sourceIndex.isValid())
+	{
+		return index(sourceIndex.row(), 0);
+	}
+	return QModelIndex();
+}
+
+QModelIndex VersionProxyModel::mapToSource(const QModelIndex &proxyIndex) const
+{
+	if(proxyIndex.isValid())
+	{
+		return sourceModel()->index(proxyIndex.row(), 0);
+	}
+	return QModelIndex();
+}
+
+QModelIndex VersionProxyModel::index(int row, int column, const QModelIndex &parent) const
+{
+	// no trees here... shoo
+	if(parent.isValid())
+	{
+		return QModelIndex();
+	}
+	if(row < 0 || row >= sourceModel()->rowCount())
+		return QModelIndex();
+	if(column < 0 || column >= columnCount())
+		return QModelIndex();
+	return QAbstractItemModel::createIndex(row, column);
+}
+
+int VersionProxyModel::columnCount(const QModelIndex &parent) const
+{
+	return m_columns.size();
+}
+
+int VersionProxyModel::rowCount(const QModelIndex &parent) const
+{
+	if(sourceModel())
+	{
+		return sourceModel()->rowCount();
+	}
+	return 0;
+}
+
+void VersionProxyModel::sourceDataChanged(const QModelIndex &source_top_left,
+										  const QModelIndex &source_bottom_right)
+{
+	if(source_top_left.parent() != source_bottom_right.parent())
+		return;
+
+	// whole row is getting changed
+	auto topLeft = createIndex(source_top_left.row(), 0);
+	auto bottomRight = createIndex(source_bottom_right.row(), columnCount() - 1);
+	emit dataChanged(topLeft, bottomRight);
+}
+
+void VersionProxyModel::setSourceModel(BaseVersionList *replacing)
+{
+	beginResetModel();
+
+	if(!replacing)
+	{
+		m_columns.clear();
+		roles.clear();
+		filterModel->setSourceModel(replacing);
+		return;
+	}
+
+	roles = replacing->providesRoles();
+	if(roles.contains(BaseVersionList::VersionRole))
+	{
+		m_columns.push_back(Name);
+	}
+	/*
+	if(roles.contains(BaseVersionList::ParentGameVersionRole))
+	{
+		m_columns.push_back(ParentVersion);
+	}
+	*/
+	if(roles.contains(BaseVersionList::ArchitectureRole))
+	{
+		m_columns.push_back(Architecture);
+	}
+	if(roles.contains(BaseVersionList::PathRole))
+	{
+		m_columns.push_back(Path);
+	}
+	if(roles.contains(BaseVersionList::BranchRole))
+	{
+		m_columns.push_back(Branch);
+	}
+	if(roles.contains(BaseVersionList::TypeRole))
+	{
+		m_columns.push_back(Type);
+	}
+	filterModel->setSourceModel(replacing);
+
+	endResetModel();
+}
+
+QModelIndex VersionProxyModel::getRecommended() const
+{
+	if(!roles.contains(BaseVersionList::RecommendedRole))
+	{
+		return index(0, 0);
+	}
+	int recommended = 0;
+	for (int i = 0; i < rowCount(); i++)
+	{
+		auto value = sourceModel()->data(mapToSource(index(i, 0)), BaseVersionList::RecommendedRole);
+		if (value.toBool())
+		{
+			recommended = i;
+		}
+	}
+	return index(recommended, 0);
+}
+
+void VersionProxyModel::clearFilters()
+{
+	m_filters.clear();
+	filterModel->invalidate();
+}
+
+void VersionProxyModel::setFilter(const BaseVersionList::ModelRoles column, const QString &filter, const bool exact)
+{
+	Filter f;
+	f.string = filter;
+	f.exact = exact;
+	m_filters[column] = f;
+	filterModel->invalidate();
+}
+
+const VersionProxyModel::FilterMap &VersionProxyModel::filters() const
+{
+	return m_filters;
+}
+
+void VersionProxyModel::sourceAboutToBeReset()
+{
+	beginResetModel();
+}
+
+void VersionProxyModel::sourceReset()
+{
+	endResetModel();
+}
+
+#include "VersionProxyModel.moc"