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/*
* Copyright (C) 2012 Stellarium Team
*
* This program 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.
*
* This program 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*/
#include "PropertyBasedTableModel.hpp"
#include <QDebug>
PropertyBasedTableModel::PropertyBasedTableModel(QObject *parent)
: QAbstractTableModel(parent)
, content(Q_NULLPTR)
, modelObject(Q_NULLPTR)
{
}
PropertyBasedTableModel::~PropertyBasedTableModel()
{
delete modelObject;
modelObject = Q_NULLPTR;
}
void PropertyBasedTableModel::init(QList<QObject *>* content, QObject *model, QMap<int,QString> mappings)
{
beginResetModel();
this->content = content;
this->modelObject = model;
this->mappings = mappings;
endResetModel();
}
int PropertyBasedTableModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent)
return content->size();
}
int PropertyBasedTableModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent)
return mappings.size();
}
QVariant PropertyBasedTableModel::data(const QModelIndex &index, int role) const
{
QVariant data;
if ((role == Qt::DisplayRole || role == Qt::EditRole)
&& index.isValid()
&& index.row() < content->size()
&& index.row() >= 0
&& index.column() < mappings.size()
&& index.column() >= 0){
QObject *object = content->at(index.row());
data = object->property(mappings[index.column()].toStdString().c_str());
}
return data;
}
bool PropertyBasedTableModel::insertRows(int position, int rows, const QModelIndex &index)
{
Q_UNUSED(index)
beginInsertRows(QModelIndex(), position, position + rows - 1);
for (int row=0; row < rows; row++) {
QObject* newInstance = modelObject->metaObject()->newInstance(Q_ARG(QObject, *modelObject));
Q_ASSERT(newInstance != Q_NULLPTR);
content->insert(position, newInstance);
}
endInsertRows();
return true;
}
bool PropertyBasedTableModel::removeRows(int position, int rows, const QModelIndex &index)
{
Q_UNUSED(index)
beginRemoveRows(QModelIndex(), position, position + rows - 1);
for (int row=0; row < rows; ++row) {
content->removeAt(position);
}
endRemoveRows();
return true;
}
bool PropertyBasedTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
bool changeMade = false;
if (index.isValid() && role == Qt::EditRole && index.column() < mappings.size()) {
QObject* object = content->at(index.row());
object->setProperty(mappings[index.column()].toStdString().c_str(), value);
emit QAbstractItemModel::dataChanged(index, index);
changeMade = true;
}
return changeMade;
}
Qt::ItemFlags PropertyBasedTableModel::flags(const QModelIndex &index) const
{
if (!index.isValid()) {
return Qt::ItemIsEnabled;
}
return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
}
void PropertyBasedTableModel::moveRowUp(int position)
{
int count = content->count();
if (count < 2 || position < 1 || position >= count)
return;
beginMoveRows(QModelIndex(), position, position, QModelIndex(), position-1);
content->move(position, position - 1);
endMoveRows();
}
void PropertyBasedTableModel::moveRowDown(int position)
{
int count = content->count();
if (count < 2 || position < 0 || position > (count - 2))
return;
beginMoveRows(QModelIndex(), position, position, QModelIndex(), position+2);
content->move(position, position + 1);
endMoveRows();
}
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