/opt/ros/diamondback/stacks/ethzasl_aseba/asebaros/aseba/svn/studio/NamedValuesVectorModel.cpp

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/*
        Aseba - an event-based framework for distributed robot control
        Copyright (C) 2007--2009:
                Stephane Magnenat <stephane at magnenat dot net>
                (http://stephane.magnenat.net)
                and other contributors, see authors.txt for details
                Mobots group, Laboratory of Robotics Systems, EPFL, Lausanne
        
        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 3 of the License, or
        any other version as decided by the two original authors
        Stephane Magnenat and Valentin Longchamp.
        
        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, see <http://www.gnu.org/licenses/>.
*/

#include "NamedValuesVectorModel.h"
#include <QtDebug>
#include <QtGui>

#include <NamedValuesVectorModel.moc>

namespace Aseba
{
        
        NamedValuesVectorModel::NamedValuesVectorModel(NamedValuesVector* namedValues, const QString &tooltipText, QObject *parent) :
                QAbstractTableModel(parent),
                namedValues(namedValues),
                tooltipText(tooltipText),
                wasModified(false)
        {
                Q_ASSERT(namedValues);
        }
        
        NamedValuesVectorModel::NamedValuesVectorModel(NamedValuesVector* namedValues, QObject *parent) :
                QAbstractTableModel(parent),
                namedValues(namedValues),
                wasModified(false)
        {
                Q_ASSERT(namedValues);
        }
        
        int NamedValuesVectorModel::rowCount(const QModelIndex & parent) const
        {
                Q_UNUSED(parent)
                return namedValues->size();
        }
        
        int NamedValuesVectorModel::columnCount(const QModelIndex & parent) const
        {
                Q_UNUSED(parent)
                return 2;
        }
        
        QVariant NamedValuesVectorModel::data(const QModelIndex &index, int role) const
        {
                if (!index.isValid())
                        return QVariant();
                
                if (role == Qt::DisplayRole)
                {
                        if (index.column() == 0)
                                return QString::fromStdString(namedValues->at(index.row()).name);
                        else
                                return namedValues->at(index.row()).value;
                }
                else if (role == Qt::ToolTipRole && !tooltipText.isEmpty())
                {
                        return tooltipText.arg(index.row());
                }
                else
                        return QVariant();
        }
        
        QVariant NamedValuesVectorModel::headerData(int section, Qt::Orientation orientation, int role) const
        {
                Q_UNUSED(section)
                Q_UNUSED(orientation)
                Q_UNUSED(role)
                return QVariant();
        }
        
        Qt::ItemFlags NamedValuesVectorModel::flags(const QModelIndex & index) const
        {
                if (index.column() == 0)
                        return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled;
                else
                        return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable;
        }
        
        QStringList NamedValuesVectorModel::mimeTypes () const
        {
                QStringList types;
                types << "text/plain";
                return types;
        }
        
        QMimeData * NamedValuesVectorModel::mimeData ( const QModelIndexList & indexes ) const
        {
                QString texts;
                foreach (QModelIndex index, indexes)
                {
                        if (index.isValid() && (index.column() == 0))
                        {
                                QString text = data(index, Qt::DisplayRole).toString();
                                texts += text;
                        }
                }
                
                QMimeData *mimeData = new QMimeData();
                mimeData->setText(texts);
                return mimeData;
        }
        
        bool NamedValuesVectorModel::setData(const QModelIndex &index, const QVariant &value, int role)
        {
                Q_ASSERT(namedValues);
                if (index.isValid() && role == Qt::EditRole)
                {
                        if (index.column() == 1)
                        {
                                namedValues->at(index.row()).value = value.toInt();
                                emit dataChanged(index, index);
                                wasModified = true;
                                return true;
                        }
                }
                return false;
        }
        
        void NamedValuesVectorModel::addNamedValue(const NamedValue& namedValue)
        {
                Q_ASSERT(namedValues);
                
                unsigned position = namedValues->size();
                
                beginInsertRows(QModelIndex(), position, position);
                
                namedValues->push_back(namedValue);
                wasModified = true;
                
                endInsertRows();
        }
        
        void NamedValuesVectorModel::delNamedValue(int index)
        {
                Q_ASSERT(namedValues);
                Q_ASSERT(index < (int)namedValues->size());
                
                beginRemoveRows(QModelIndex(), index, index);
                
                namedValues->erase(namedValues->begin() + index);
                wasModified = true;
                
                endRemoveRows();
        }
        
        void NamedValuesVectorModel::clear()
        {
                Q_ASSERT(namedValues);
                
                if (namedValues->size() == 0)
                        return;
                
                beginRemoveRows(QModelIndex(), 0, namedValues->size()-1);
                
                namedValues->clear();
                wasModified = true;

                endRemoveRows();
        }
        
}; // Aseba

---

asebaros
Author(s): $author
autogenerated on Mon Sep 5 08:41:53 2011