File indexing completed on 2023-10-01 07:35:31

 /*************************************************************************************
  *  Copyright (C) 2010-2012 by Percy Camilo T. Aucahuasi <percy.camilo.ta@gmail.com> *
  *                                                                                   *
  *  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 "plotsdictionarymodel.h"
 #include "plotsmodel.h"
 #include <analitza/expression.h>
 #include <analitza/expressionstream.h>
 #include <analitzaplot/functiongraph.h>
 #include <analitzaplot/plotsfactory.h>
 #include <QFile>
 #include <QCoreApplication>
 #include <QStandardPaths>
 #include <QDir>
 
 using namespace Analitza;
 
 PlotsDictionaryModel::PlotsDictionaryModel(QObject* parent)
     : QStandardItemModel(parent)
     , m_currentItem(-1)
 {
     setHorizontalHeaderLabels(QStringList() << QCoreApplication::translate("@title:column", "Name"));
 }
 
 PlotsDictionaryModel::~PlotsDictionaryModel()
 {}
 
 void PlotsDictionaryModel::createDictionary(const QString& file)
 {
     QFile device(file);
     if (device.open(QFile::ReadOnly | QFile::Text)) {
         QTextStream stream(&device);
         Analitza::ExpressionStream s(&stream);
         while(!s.atEnd()) {
             Analitza::Expression expression(s.next());
             Q_ASSERT(expression.isCorrect());
             Q_ASSERT(!expression.name().isEmpty());
             QStringList comments = expression.comments();
 
             QStandardItem* item = new QStandardItem;
             item->setText(expression.name());
             if(!comments.isEmpty())
                 item->setToolTip(QCoreApplication::translate("dictionary", comments.first().trimmed().toUtf8())); //see Messages.sh for more info
             item->setData(expression.toString(), ExpressionRole);
             item->setData(file, FileRole);
             appendRow(item);
         }
     } else
         qWarning() << "couldn't open" << file;
 }
 
 void PlotsDictionaryModel::createAllDictionaries()
 {
 //     QStringList res = KGlobal::dirs()->findAllResources("data", "libanalitza/plots/*.plots");
     QStringList res = QStandardPaths::locateAll(QStandardPaths::AppLocalDataLocation, QStringLiteral("libanalitza/plots"));
     foreach(const QString& dir, res) {
         QDir d(dir);
         foreach(const QString& f, d.entryList(QStringList("*.plots"))) {
             createDictionary(f);
         }
     }
 }
 
 PlotsModel* PlotsDictionaryModel::plotModel()
 {
     if(!m_plots) {
         m_plots = new PlotsModel(this);
         updatePlotsModel();
     }
     return m_plots;
 }
 
 int PlotsDictionaryModel::currentRow() const
 {
     return m_currentItem;
 }
 
 void PlotsDictionaryModel::setCurrentRow(int row)
 {
     if(row == m_currentItem)
         return;
     m_currentItem = row;
     if(m_plots)
         updatePlotsModel();
 }
 
 void PlotsDictionaryModel::updatePlotsModel()
 {
     Q_ASSERT(m_plots);
     m_plots->clear();
     if(m_currentItem<0)
         return;
 
     QModelIndex idx = index(m_currentItem, 0);
     Analitza::Expression exp(idx.data(ExpressionRole).toString());
     PlotBuilder req = PlotsFactory::self()->requestPlot(exp, Dim2D);
 
     if (!req.canDraw()){ // preference is given to 2D
         PlotBuilder req = PlotsFactory::self()->requestPlot(exp, Dim3D);
         Q_ASSERT(req.canDraw());
         m_plots->addPlot(req.create(Qt::blue, idx.data(Qt::DisplayRole).toString()));
         return;
     }
     m_plots->addPlot(req.create(Qt::blue, idx.data(Qt::DisplayRole).toString()));
 }
 
 Analitza::Dimension PlotsDictionaryModel::dimension()
 {
     return Dimension(m_plots->index(0,0).data(PlotsModel::DimensionRole).toInt());
 }
 
 void PlotsDictionaryModel::setCurrentIndex(const QModelIndex& idx)
 {
     setCurrentRow(idx.row());
 }