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#include "modlistbypriorityproxy.h"
#include "modinfo.h"
#include "profile.h"
#include "modlist.h"
#include "log.h"
ModListByPriorityProxy::ModListByPriorityProxy(Profile* profile, QObject* parent) :
QAbstractProxyModel(parent), m_Profile(profile)
{
}
ModListByPriorityProxy::~ModListByPriorityProxy()
{
}
void ModListByPriorityProxy::setSourceModel(QAbstractItemModel* model)
{
QAbstractProxyModel::setSourceModel(model);
if (sourceModel()) {
m_CollapsedItems.clear();
connect(sourceModel(), &QAbstractItemModel::layoutChanged, this, &ModListByPriorityProxy::buildTree, Qt::UniqueConnection);
connect(sourceModel(), &QAbstractItemModel::rowsRemoved, this, [this]() { buildTree(); }, Qt::UniqueConnection);
connect(sourceModel(), &QAbstractItemModel::modelReset, this, &ModListByPriorityProxy::buildTree, Qt::UniqueConnection);
buildTree();
}
}
void ModListByPriorityProxy::buildTree()
{
if (!sourceModel()) return;
beginResetModel();
// reset the root
m_Root = { };
m_IndexToItem.clear();
TreeItem* root = &m_Root;
for (auto& [priority, index] : m_Profile->getAllIndexesByPriority()) {
ModInfo::Ptr modInfo = ModInfo::getByIndex(index);
TreeItem* item;
if (modInfo->isSeparator()) {
m_Root.children.push_back(std::make_unique<TreeItem>(modInfo, index, &m_Root));
item = m_Root.children.back().get();
root = item;
}
else if (modInfo->isOverwrite()) {
m_Root.children.push_back(std::make_unique<TreeItem>(modInfo, index, &m_Root));
item = m_Root.children.back().get();
}
else {
root->children.push_back(std::make_unique<TreeItem>(modInfo, index, root));
item = root->children.back().get();
}
m_IndexToItem[index] = item;
}
endResetModel();
// restore expand-state
expandItems(QModelIndex());
}
void ModListByPriorityProxy::expandItems(const QModelIndex& index)
{
for (int row = 0; row < rowCount(index); row++) {
QModelIndex idx = this->index(row, 0, QModelIndex());
if (!m_CollapsedItems.contains(idx.data(Qt::DisplayRole).toString())) {
emit expandItem(idx);
}
expandItems(idx);
}
}
QModelIndex ModListByPriorityProxy::mapFromSource(const QModelIndex& sourceIndex) const
{
if (!sourceIndex.isValid()) {
return QModelIndex();
}
auto* item = m_IndexToItem.at(sourceIndex.row());
return createIndex(item->parent->childIndex(item), sourceIndex.column(), item);
}
QModelIndex ModListByPriorityProxy::mapToSource(const QModelIndex& proxyIndex) const
{
if (!proxyIndex.isValid()) {
return QModelIndex();
}
auto* item = static_cast<TreeItem*>(proxyIndex.internalPointer());
return sourceModel()->index(item->index, proxyIndex.column());
}
int ModListByPriorityProxy::rowCount(const QModelIndex& parent) const
{
if (!parent.isValid()) {
return m_Root.children.size();
}
auto* item = static_cast<TreeItem*>(parent.internalPointer());
if (item->mod->isSeparator()) {
return item->children.size();
}
return 0;
}
int ModListByPriorityProxy::columnCount(const QModelIndex& index) const
{
return sourceModel()->columnCount(mapToSource(index));
}
QModelIndex ModListByPriorityProxy::parent(const QModelIndex& child) const
{
if (!child.isValid()) {
return QModelIndex();
}
auto* item = static_cast<TreeItem*>(child.internalPointer());
if (!item->parent || item->parent == &m_Root) {
return QModelIndex();
}
return createIndex(item->parent->parent->childIndex(item->parent), 0, item->parent);
}
bool ModListByPriorityProxy::hasChildren(const QModelIndex& parent) const
{
if (!parent.isValid()) {
return m_Root.children.size() > 0;
}
auto* item = static_cast<TreeItem*>(parent.internalPointer());
return item->children.size() > 0;
}
bool ModListByPriorityProxy::setData(const QModelIndex& index, const QVariant& value, int role)
{
// only care about the "name" column
if (index.column() == 0 && role == Qt::EditRole) {
QString oldValue = data(index, role).toString();
if (m_CollapsedItems.contains(oldValue)) {
m_CollapsedItems.erase(oldValue);
m_CollapsedItems.insert(value.toString());
}
}
return QAbstractProxyModel::setData(index, value, role);
}
Qt::ItemFlags ModListByPriorityProxy::flags(const QModelIndex& idx) const
{
if (!idx.isValid()) {
return sourceModel()->flags(QModelIndex());
}
// we check the flags of the root node and if drop is not enabled, it
// means we are dragging files.
Qt::ItemFlags rootFlags = sourceModel()->flags(QModelIndex());
if (!rootFlags.testFlag(Qt::ItemIsDropEnabled)) {
return sourceModel()->flags(mapToSource(idx));
}
auto flags = sourceModel()->flags(mapToSource(idx));
auto* item = static_cast<TreeItem*>(idx.internalPointer());
if (item->mod->isSeparator()) {
flags |= Qt::ItemIsDropEnabled;
}
return flags;
}
QModelIndex ModListByPriorityProxy::index(int row, int column, const QModelIndex& parent) const
{
if (!hasIndex(row, column, parent)) {
return QModelIndex();
}
const TreeItem* parentItem;
if (!parent.isValid()) {
parentItem = &m_Root;
}
else {
parentItem = static_cast<TreeItem*>(parent.internalPointer());
}
return createIndex(row, column, parentItem->children[row].get());
}
void ModListByPriorityProxy::expanded(const QModelIndex& index)
{
auto it = m_CollapsedItems.find(index.data(Qt::DisplayRole).toString());
if (it != m_CollapsedItems.end()) {
m_CollapsedItems.erase(it);
}
}
void ModListByPriorityProxy::collapsed(const QModelIndex& index)
{
m_CollapsedItems.insert(index.data(Qt::DisplayRole).toString());
}
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