File indexing completed on 2024-05-19 04:56:00

 /**
  * \file configtablemodel.cpp
  * Model for table with context menu to add and remove rows.
  *
  * \b Project: Kid3
  * \author Urs Fleisch
  * \date 13 Mar 2011
  *
  * Copyright (C) 2005-2024  Urs Fleisch
  *
  * This file is part of Kid3.
  *
  * Kid3 is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * Kid3 is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "configtablemodel.h"
 #include "modelsectionresizemode.h"
 
 /**
  * Constructor.
  * @param parent parent widget
  */
 ConfigTableModel::ConfigTableModel(QObject* parent)
   : QAbstractTableModel(parent)
 {
   setObjectName(QLatin1String("ConfigTableModel"));
 }
 
 /**
  * Get item flags for index.
  * @param index model index
  * @return item flags
  */
 Qt::ItemFlags ConfigTableModel::flags(const QModelIndex& index) const
 {
   Qt::ItemFlags theFlags = QAbstractTableModel::flags(index);
   if (index.isValid())
     theFlags |= Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsEditable;
   return theFlags;
 }
 
 /**
  * Get data for a given role.
  * @param index model index
  * @param role item data role
  * @return data for role
  */
 QVariant ConfigTableModel::data(const QModelIndex& index, int role) const
 {
   if (!index.isValid() ||
       index.row() < 0 || index.row() >= m_keyValues.size() ||
       index.column() < 0 || index.column() >= 2)
     return QVariant();
   const QPair<QString, QString>& keyValue = m_keyValues.at(index.row());
   if (role == Qt::DisplayRole || role == Qt::EditRole) {
     if (index.column() == 0)
       return keyValue.first;
     return keyValue.second;
   }
   return QVariant();
 }
 
 /**
  * Set data for a given role.
  * @param index model index
  * @param value data value
  * @param role item data role
  * @return true if successful
  */
 bool ConfigTableModel::setData(const QModelIndex& index,
                                  const QVariant& value, int role)
 {
   if (!index.isValid() || role != Qt::EditRole ||
       index.row() < 0 || index.row() >= m_keyValues.size() ||
       index.column() < 0 || index.column() >= 2)
     return false;
   QPair<QString, QString>& keyValue = m_keyValues[index.row()]; // clazy:exclude=detaching-member
   if (index.column() == 0) {
     keyValue.first = value.toString();
   } else {
     keyValue.second = value.toString();
   }
   emit dataChanged(index, index);
   return true;
 }
 
 /**
  * Get data for header section.
  * @param section column or row
  * @param orientation horizontal or vertical
  * @param role item data role
  * @return header data for role
  */
 QVariant ConfigTableModel::headerData(
     int section, Qt::Orientation orientation, int role) const
 {
   if (role != Qt::DisplayRole)
     return QVariant();
   if (orientation == Qt::Horizontal && section < m_labels.size()) {
     return m_labels[section];
   }
   return section + 1;
 }
 
 /**
  * Get number of rows.
  * @param parent parent model index, invalid for table models
  * @return number of rows,
  * if parent is valid number of children (0 for table models)
  */
 int ConfigTableModel::rowCount(const QModelIndex& parent) const
 {
   return parent.isValid() ? 0 : m_keyValues.size();
 }
 
 /**
  * Get number of columns.
  * @param parent parent model index, invalid for table models
  * @return number of columns,
  * if parent is valid number of children (0 for table models)
  */
 int ConfigTableModel::columnCount(const QModelIndex& parent) const
 {
   return parent.isValid() ? 0 : 2;
 }
 
 /**
  * Insert rows.
  * @param row rows are inserted before this row, if 0 at the begin,
  * if rowCount() at the end
  * @param count number of rows to insert
  * @return true if successful
  */
 bool ConfigTableModel::insertRows(int row, int count,
                         const QModelIndex&)
 {
   if (count > 0) {
     beginInsertRows(QModelIndex(), row, row + count - 1);
     for (int i = 0; i < count; ++i)
       m_keyValues.insert(row, QPair<QString, QString>());
     endInsertRows();
   }
   return true;
 }
 
 /**
  * Remove rows.
  * @param row rows are removed starting with this row
  * @param count number of rows to remove
  * @return true if successful
  */
 bool ConfigTableModel::removeRows(int row, int count,
                         const QModelIndex&)
 {
   if (count > 0) {
     beginRemoveRows(QModelIndex(), row, row + count - 1);
     for (int i = 0; i < count; ++i)
       m_keyValues.removeAt(row);
     endRemoveRows();
   }
   return true;
 }
 
 /**
  * Get the resize modes to be used for the columns.
  * @return list of resize modes for the columns
  */
 QList<ModelSectionResizeMode>
     ConfigTableModel::getHorizontalResizeModes() const
 {
   return {ModelSectionResizeMode::Stretch, ModelSectionResizeMode::Stretch};
 }
 
 /**
  * Set the column labels.
  * @param labels column labels
  */
 void ConfigTableModel::setLabels(const QStringList& labels)
 {
   beginResetModel();
   m_labels = labels;
   endResetModel();
 }
 
 /**
  * Set the model from a map.
  *
  * @param map list with keys and values
  */
 void ConfigTableModel::setMap(const QList<QPair<QString, QString>>& map)
 {
   beginResetModel();
   m_keyValues = map;
   // make sure that at least one line is in the table
   if (m_keyValues.isEmpty())
     m_keyValues.append({QString(), QString()});
   endResetModel();
 }
 
 /**
  * Get map from the model.
  * @return list with keys and values
  */
 QList<QPair<QString, QString>> ConfigTableModel::getMap() const
 {
   return m_keyValues;
 }