Warning, file /education/analitza/analitzagui/variablesmodel.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /*************************************************************************************
  *  Copyright (C) 2007 by Aleix Pol <aleixpol@kde.org>                               *
  *                                                                                   *
  *  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, Fifth Floor, Boston, MA  02110-1301, USA   *
  *************************************************************************************/
 
 #include "variablesmodel.h"
 #include <analitza/expression.h>
 #include <analitza/value.h>
 #include <analitza/analitzautils.h>
 #include <QDebug>
 #include <QCoreApplication>
 
 using namespace Analitza;
 
 VariablesModel::VariablesModel(const QSharedPointer<Variables>& v, QObject *parent)
     : QAbstractTableModel(parent), m_vars(v), m_editable(true)
 {}
 
 VariablesModel::VariablesModel(QObject* parent)
     : QAbstractTableModel(parent), m_vars(nullptr), m_editable(true)
 {}
 
 void VariablesModel::setVariables(const QSharedPointer<Variables> &v)
 {
     m_vars = v;
 }
 
 QVariant VariablesModel::data(const QModelIndex & index, int role) const
 {
     QVariant ret;
     if(role==Qt::DisplayRole) {
         switch(index.column()) {
             case 0:
                 ret=m_vars->keys()[index.row()];
                 break;
             case 1:
                 return data(index.sibling(index.row(), 0), Qt::ToolTipRole);
         }
     } else if(role==Qt::ToolTipRole && index.column()==0) {
         QString key = m_vars->keys()[index.row()];
         if(m_vars->value(key)->type()==Object::value) {
             Cn* v=static_cast<Cn*>(m_vars->value(key));
             ret=v->value();
         } else
             ret=m_vars->value(key)->toString();
     } else if(role==Qt::WhatsThisRole && index.column()==0) {
         ret = QStringLiteral("%1 := %2").arg(index.sibling(index.row(), 0).data(Qt::DisplayRole).toString(),
                                              index.sibling(index.row(), 1).data(Qt::DisplayRole).toString());
     }
     return ret;
 }
 
 bool VariablesModel::setData(const QModelIndex& index, const QVariant& value, int role)
 {
     if(role!=Qt::EditRole || !value.isValid())
         return false;
     
     if(index.column()==1) { //Changing values
         QString name=data(index.sibling(index.row(), 0)).toString();
         m_vars->modify(name, AnalitzaUtils::variantToExpression(value));
         emit dataChanged(index, index);
         return true;
     } else if(index.column()==0) {
         QString name=data(index.sibling(index.row(), 0)).toString();
         m_vars->rename(name, value.toString());
         emit dataChanged(index, index);
         return true;
     }
     return false;
 }
 
 QVariant VariablesModel::headerData(int section, Qt::Orientation orientation, int role) const
 {
     QVariant ret;
     if(role==Qt::DisplayRole && orientation==Qt::Horizontal) {
         switch(section) {
             case 0:
                 ret=QCoreApplication::translate("@title:column", "Name");
                 break;
             case 1:
                 ret=QCoreApplication::translate("@title:column", "Value");
                 break;
         }
     }
     return ret;
 }
 
 int VariablesModel::rowCount(const QModelIndex &idx) const
 {
     if(!m_vars || idx.isValid())
         return 0;
     else
         return m_vars->count();
 }
 
 QFlags< Qt::ItemFlag > VariablesModel::flags(const QModelIndex& index) const
 {
     QFlags< Qt::ItemFlag > ret = QAbstractItemModel::flags(index);
     if(index.column()==1 && m_editable)
         ret |= Qt::ItemIsEditable;
     return ret;
 }
 
 void VariablesModel::updateInformation()
 {
     beginResetModel();
     endResetModel();
 }
 
 void VariablesModel::insertVariable(const QString& name, const Expression& value)
 {
     beginResetModel();
     m_vars->modify(name, value);
     endResetModel();
 }