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#ifndef MODLISBYPRIORITYPROXY_H
#define MODLISBYPRIORITYPROXY_H
#include <optional>
#include <set>
#include <vector>
#include <QAbstractProxyModel>
#include <QIcon>
#include <QModelIndex>
#include <QMultiHash>
#include <QSet>
#include <QStringList>
#include "modinfo.h"
#include "modlistview.h"
class ModList;
class ModListDropInfo;
class Profile;
class ModListByPriorityProxy : public QAbstractProxyModel
{
Q_OBJECT
public:
explicit ModListByPriorityProxy(Profile* profile, OrganizerCore& core,
QObject* parent = nullptr);
~ModListByPriorityProxy();
void setProfile(Profile* profile);
// set the sort order but does not refresh the proxy
//
void setSortOrder(Qt::SortOrder order);
void setSourceModel(QAbstractItemModel* sourceModel) override;
int rowCount(const QModelIndex& parent = QModelIndex()) const override;
QModelIndex parent(const QModelIndex& child) const override;
QModelIndex index(int row, int column,
const QModelIndex& parent = QModelIndex()) const override;
int columnCount(const QModelIndex& index) const override;
bool hasChildren(const QModelIndex& parent) const override;
bool canDropMimeData(const QMimeData* data, Qt::DropAction action, int row,
int column, const QModelIndex& parent) const override;
bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column,
const QModelIndex& parent) override;
QModelIndex mapFromSource(const QModelIndex& sourceIndex) const override;
QModelIndex mapToSource(const QModelIndex& proxyIndex) const override;
public slots:
void onDropEnter(const QMimeData* data, bool dropExpanded,
ModListView::DropPosition dropPosition);
protected slots:
void onModelRowsRemoved(const QModelIndex& parent, int first, int last);
void
onModelLayoutChanged(const QList<QPersistentModelIndex>& parents = {},
LayoutChangeHint hint = LayoutChangeHint::NoLayoutChangeHint);
void onModelReset();
void onModelDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight,
const QVector<int>& roles = QVector<int>());
private:
// fill the mapping from index to item (required by buildTree), should
// only be used for full model reset because it destroys existing references
// to tree items
//
void buildMapping();
// create the actual tree by creating parent/child associations, requires
// the mapping to be created (by a previous buildMapping call)
//
void buildTree();
struct TreeItem
{
ModInfo::Ptr mod;
unsigned int index;
std::vector<TreeItem*> children;
TreeItem* parent;
std::size_t childIndex(TreeItem* child) const
{
for (std::size_t i = 0; i < children.size(); ++i) {
if (children[i] == child) {
return i;
}
}
return -1;
}
TreeItem() : TreeItem(nullptr, -1) {}
TreeItem(ModInfo::Ptr mod, unsigned int index, TreeItem* parent = nullptr)
: mod(mod), index(index), parent(parent)
{}
};
TreeItem m_Root;
std::map<unsigned int, std::unique_ptr<TreeItem>> m_IndexToItem;
private:
OrganizerCore& m_core;
Profile* m_profile;
Qt::SortOrder m_sortOrder = Qt::AscendingOrder;
bool m_dropExpanded = false;
ModListView::DropPosition m_dropPosition = ModListView::DropPosition::OnItem;
};
#endif // GROUPINGPROXY_H
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