File indexing completed on 2024-05-19 05:44:25

 /*
     SPDX-FileCopyrightText: 2015-2017 Milian Wolff <mail@milianw.de>
 
     SPDX-License-Identifier: LGPL-2.1-or-later
 */
 
 #include "stacksmodel.h"
 #include "treemodel.h"
 
 #include <KLocalizedString>
 
 #include <QDebug>
 
 StacksModel::StacksModel(QObject* parent)
     : QAbstractListModel(parent)
 {
 }
 
 StacksModel::~StacksModel() = default;
 
 void StacksModel::setStackIndex(int index)
 {
     beginResetModel();
     m_stackIndex = index - 1;
     endResetModel();
 }
 
 static void findLeafs(const QModelIndex& index, QVector<QModelIndex>* leafs)
 {
     auto model = index.model();
     Q_ASSERT(model);
     int rows = model->rowCount(index);
     if (!rows) {
         leafs->append(index);
         return;
     }
     for (int i = 0; i < rows; ++i) {
         findLeafs(model->index(i, 0, index), leafs);
     }
 }
 
 void StacksModel::fillFromIndex(const QModelIndex& index)
 {
     if (index.column() != 0) {
         // only the first column has children
         fillFromIndex(index.sibling(index.row(), 0));
         return;
     }
 
     QVector<QModelIndex> leafs;
     findLeafs(index, &leafs);
 
     beginResetModel();
     m_data.clear();
     m_data.resize(leafs.size());
     m_stackIndex = 0;
     int stackIndex = 0;
     for (auto leaf : leafs) {
         auto& stack = m_data[stackIndex];
         while (leaf.isValid()) {
             stack << leaf.sibling(leaf.row(), TreeModel::LocationColumn);
             leaf = leaf.parent();
         }
         std::reverse(stack.begin(), stack.end());
         ++stackIndex;
     }
     endResetModel();
 
     emit stacksFound(m_data.size());
 }
 
 void StacksModel::clear()
 {
     beginResetModel();
     m_data.clear();
     endResetModel();
     emit stacksFound(0);
 }
 
 int StacksModel::rowCount(const QModelIndex& parent) const
 {
     if (parent.isValid() || m_data.isEmpty()) {
         return 0;
     }
     return m_data.value(m_stackIndex).size();
 }
 
 QVariant StacksModel::data(const QModelIndex& index, int role) const
 {
     if (!hasIndex(index.row(), index.column(), index.parent())) {
         return {};
     }
     return m_data.value(m_stackIndex).value(index.row()).data(role);
 }
 
 QVariant StacksModel::headerData(int section, Qt::Orientation orientation, int role) const
 {
     if (section == 0 && role == Qt::DisplayRole && orientation == Qt::Horizontal) {
         return i18n("Backtrace");
     }
     return {};
 }
 
 #include "moc_stacksmodel.cpp"