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#include "Catalogue/CatalogueTreeModel.h"
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#include <Catalogue/CatalogueTreeItems/CatalogueAbstractTreeItem.h>
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#include <QMimeData>
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#include <memory>
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#include <Common/MimeTypesDef.h>
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struct CatalogueTreeModel::CatalogueTreeModelPrivate {
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std::unique_ptr<CatalogueAbstractTreeItem> m_RootItem = nullptr;
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CatalogueTreeModelPrivate() : m_RootItem{std::make_unique<CatalogueAbstractTreeItem>()} {}
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};
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CatalogueTreeModel::CatalogueTreeModel(QObject *parent)
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: QAbstractItemModel(parent), impl{spimpl::make_unique_impl<CatalogueTreeModelPrivate>()}
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{
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}
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QModelIndex CatalogueTreeModel::addTopLevelItem(CatalogueAbstractTreeItem *item)
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{
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auto nbTopLevelItems = impl->m_RootItem->children().count();
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beginInsertRows(QModelIndex(), nbTopLevelItems, nbTopLevelItems);
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impl->m_RootItem->addChild(item);
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endInsertRows();
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emit dataChanged(QModelIndex(), QModelIndex());
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return index(nbTopLevelItems, 0);
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}
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QVector<CatalogueAbstractTreeItem *> CatalogueTreeModel::topLevelItems() const
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{
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return impl->m_RootItem->children();
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}
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void CatalogueTreeModel::addChildItem(CatalogueAbstractTreeItem *child,
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const QModelIndex &parentIndex)
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{
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auto parentItem = item(parentIndex);
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int c = parentItem->children().count();
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beginInsertRows(parentIndex, c, c);
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parentItem->addChild(child);
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endInsertRows();
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emit dataChanged(parentIndex, parentIndex);
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}
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void CatalogueTreeModel::removeChildItem(CatalogueAbstractTreeItem *child,
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const QModelIndex &parentIndex)
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{
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auto parentItem = item(parentIndex);
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int i = parentItem->children().indexOf(child);
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beginRemoveRows(parentIndex, i, i);
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parentItem->removeChild(child);
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endRemoveRows();
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emit dataChanged(parentIndex, parentIndex);
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}
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void CatalogueTreeModel::refresh(const QModelIndex &index)
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{
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emit dataChanged(index, index);
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}
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CatalogueAbstractTreeItem *CatalogueTreeModel::item(const QModelIndex &index) const
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{
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return static_cast<CatalogueAbstractTreeItem *>(index.internalPointer());
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}
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QModelIndex CatalogueTreeModel::indexOf(CatalogueAbstractTreeItem *item, int column) const
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{
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auto parentItem = item->parent();
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if (!parentItem) {
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return QModelIndex();
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}
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auto row = parentItem->children().indexOf(item);
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return createIndex(row, column, item);
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}
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QModelIndex CatalogueTreeModel::index(int row, int column, const QModelIndex &parent) const
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{
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if (column > 0) {
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int a = 0;
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}
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if (!hasIndex(row, column, parent)) {
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return QModelIndex();
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}
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CatalogueAbstractTreeItem *parentItem = nullptr;
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if (!parent.isValid()) {
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parentItem = impl->m_RootItem.get();
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}
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else {
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parentItem = item(parent);
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}
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auto childItem = parentItem->children().value(row);
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if (childItem) {
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return createIndex(row, column, childItem);
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}
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return QModelIndex();
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}
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QModelIndex CatalogueTreeModel::parent(const QModelIndex &index) const
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{
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if (!index.isValid()) {
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return QModelIndex();
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}
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auto childItem = item(index);
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auto parentItem = childItem->parent();
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if (parentItem == nullptr || parentItem->parent() == nullptr) {
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return QModelIndex();
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}
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auto row = parentItem->parent()->children().indexOf(parentItem);
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return createIndex(row, 0, parentItem);
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}
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int CatalogueTreeModel::rowCount(const QModelIndex &parent) const
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{
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CatalogueAbstractTreeItem *parentItem = nullptr;
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if (!parent.isValid()) {
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parentItem = impl->m_RootItem.get();
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}
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else {
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parentItem = item(parent);
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}
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return parentItem->children().count();
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}
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int CatalogueTreeModel::columnCount(const QModelIndex &parent) const
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{
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return (int)Column::Count;
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}
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Qt::ItemFlags CatalogueTreeModel::flags(const QModelIndex &index) const
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{
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auto treeItem = item(index);
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if (treeItem) {
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return treeItem->flags(index.column());
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}
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return Qt::NoItemFlags;
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}
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QVariant CatalogueTreeModel::data(const QModelIndex &index, int role) const
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{
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auto treeItem = item(index);
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if (treeItem) {
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return treeItem->data(index.column(), role);
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}
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return QModelIndex();
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}
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bool CatalogueTreeModel::setData(const QModelIndex &index, const QVariant &value, int role)
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{
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auto treeItem = item(index);
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if (treeItem) {
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auto result = treeItem->setData(index.column(), role, value);
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if (result && index.column() == (int)Column::Name) {
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emit itemRenamed(index);
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}
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return result;
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}
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return false;
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}
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bool CatalogueTreeModel::canDropMimeData(const QMimeData *data, Qt::DropAction action, int row,
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int column, const QModelIndex &parent) const
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{
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auto draggedIndex = parent;
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auto draggedItem = item(draggedIndex);
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if (draggedItem) {
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return draggedItem->canDropMimeData(data, action);
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}
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return false;
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}
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bool CatalogueTreeModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row,
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int column, const QModelIndex &parent)
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{
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bool result = false;
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auto draggedIndex = parent;
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auto draggedItem = item(draggedIndex);
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if (draggedItem) {
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result = draggedItem->dropMimeData(data, action);
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if (result) {
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emit itemDropped(draggedIndex, data, action);
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}
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}
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return result;
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}
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Qt::DropActions CatalogueTreeModel::supportedDropActions() const
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{
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return Qt::CopyAction | Qt::MoveAction;
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}
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QStringList CatalogueTreeModel::mimeTypes() const
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{
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return {MIME_TYPE_EVENT_LIST, MIME_TYPE_SOURCE_CATALOGUE_LIST};
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}
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