File indexing completed on 2022-11-29 18:09:59

0001 /*************************************************************************************
0002  *  Copyright (C) 2007 by Aleix Pol <aleixpol@kde.org>                               *
0003  *                                                                                   *
0004  *  This program is free software; you can redistribute it and/or                    *
0005  *  modify it under the terms of the GNU General Public License                      *
0006  *  as published by the Free Software Foundation; either version 2                   *
0007  *  of the License, or (at your option) any later version.                           *
0008  *                                                                                   *
0009  *  This program is distributed in the hope that it will be useful,                  *
0010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of                   *
0011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                    *
0012  *  GNU General Public License for more details.                                     *
0013  *                                                                                   *
0014  *  You should have received a copy of the GNU General Public License                *
0015  *  along with this program; if not, write to the Free Software                      *
0016  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA   *
0017  *************************************************************************************/
0018 
0019 #ifndef OPERATORSMODEL_H
0020 #define OPERATORSMODEL_H
0021 
0022 #include <QAbstractTableModel>
0023 #include <QSharedPointer>
0024 #include "analitzaguiexport.h"
0025 
0026 namespace Analitza
0027 {
0028 class Variables;
0029 class Operator;
0030 }
0031 
0032 //TODO: get in the namespace
0033 /** Operators model is a model class that has a relation of all operators string with their OperatorType. */
0034 class ANALITZAGUI_EXPORT OperatorsModel : public QAbstractTableModel
0035 {
0036     Q_OBJECT
0037     public:
0038         enum Roles {
0039             IsVariableRole = Qt::UserRole + 1,
0040             DescriptionRole
0041         };
0042 
0043         /** Constructor. Creates a new Operator Model. */
0044         explicit OperatorsModel(QObject *parent=nullptr);
0045         
0046         /** Returns the description of the @p o operator. */
0047         static QString description(const Analitza::Operator& o);
0048         
0049         /** Returns the description of the @p o operator. */
0050         static QString sample(const Analitza::Operator& o);
0051         
0052         static QString example(const Analitza::Operator& o);
0053         
0054         QHash<int, QByteArray> roleNames() const override;
0055 
0056         /** Adds an entry to the model. */
0057     //     void addEntry(int i, const QString&, const QString&, const QString& ex=QString());
0058         
0059         /** Updates the variables information */
0060         void updateInformation();
0061         
0062         QVariant data( const QModelIndex &index, int role=Qt::DisplayRole) const override;
0063         QVariant headerData(int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override;
0064         int rowCount(const QModelIndex &parent=QModelIndex()) const override;
0065         int columnCount(const QModelIndex &parent=QModelIndex()) const override;
0066         
0067         void setVariables(const QSharedPointer<Analitza::Variables> &v) { m_vars=v; }
0068         QModelIndex indexForOperatorName(const QString& id) const;
0069         QString parameterHelp(const QModelIndex& idx, int param, bool inbounds) const;
0070         static QString standardFunctionCallHelp(const QString& funcname, int param, int paramcount, bool inbounds, bool isbounded);
0071         
0072         Q_SCRIPTABLE static QString lastWord(int pos, const QString &exp);
0073         
0074     private:
0075         QSharedPointer<Analitza::Variables> m_vars;
0076 };
0077 
0078 
0079 #endif