File indexing completed on 2024-05-12 16:40:13

 /* This file is part of the KDE project
    Copyright (C) 2009 Adam Pigg <adam@piggz.co.uk>
    Copyright (C) 2009-2016 Jarosław Staniek <staniek@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "AlterSchemaTableModel.h"
 
 #include <KDbTableSchema>
 
 #include <QDebug>
 
 const int RECORDS_FOR_PREVIEW = 3;
 
 AlterSchemaTableModel::AlterSchemaTableModel(QObject* parent)
     : QAbstractTableModel(parent)
     , m_schema(nullptr)
     , m_data(nullptr)
     , m_recordCount(RECORDS_FOR_PREVIEW)
 {
 }
 
 AlterSchemaTableModel::~AlterSchemaTableModel()
 {
     delete m_data;
 }
 
 QVariant AlterSchemaTableModel::data(const QModelIndex& index, int role) const
 {
     if (!index.isValid())
         return QVariant();
 
     if (index.column() >= (int)m_schema->fieldCount())
         return QVariant();
 
     if (role == Qt::DisplayRole) {
         if (m_data->length() > index.row()) {
             const KDbRecordData* r(m_data->value(index.row()));
             return r->value(index.column());
         }
     }
     return QVariant();
 }
 
 QVariant AlterSchemaTableModel::headerData(int section, Qt::Orientation orientation, int role) const
 {
     if (role != Qt::DisplayRole)
         return QVariant();
 
     if (orientation == Qt::Horizontal) {
         if (m_schema) {
             KDbField *fld = m_schema->field(section);
             if (fld)
                 return m_schema->field(section)->captionOrName();
         }
         return QString("Column %1").arg(section);
     }
     return QString("Record %1").arg(section + 1);
 }
 
 int AlterSchemaTableModel::columnCount ( const QModelIndex& parent ) const
 {
     Q_UNUSED(parent);
     if (m_schema) {
         return m_schema->fieldCount();
     }
     return 0;
 }
 
 int AlterSchemaTableModel::rowCount(const QModelIndex& parent) const
 {
     Q_UNUSED(parent);
     return m_recordCount;
 }
 
 void AlterSchemaTableModel::setSchema(KDbTableSchema *schema)
 {
     m_schema = schema;
     if (!m_schema) {
         return;
     }
     beginInsertColumns(QModelIndex(), 0, m_schema->fieldCount() - 1);
     endInsertColumns();
 
     emit layoutChanged();
 }
 
 void AlterSchemaTableModel::setData(QList<KDbRecordData*> *data)
 {
     m_data = data;
 }
 
 void AlterSchemaTableModel::setRowCount(int i)
 {
     if (i != m_recordCount) {
         m_recordCount = i;
         emit layoutChanged();
     }
 }