consolehtml.h

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/*************************************************************************************
 *  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   *
 *************************************************************************************/

#ifndef CONSOLE_H
#define CONSOLE_H

#include <QWidget>
#include <QWebView>

#include <analitza/analyzer.h>

class KUrl;
class InlineOptions
{
    public:
        virtual ~InlineOptions() {}
        
        virtual QString id() const = 0;
        virtual QString caption() const = 0;
        virtual bool matchesExpression(const Analitza::Expression& exp, const Analitza::ExpressionType& functype) const = 0;
        virtual void triggerOption(const Analitza::Expression& exp) = 0;
};

class ConsoleHtml : public QWebView
{
    Q_OBJECT
    public:
        enum ConsoleMode {
            Evaluation, 
            Calculation 
        };
        
        ConsoleHtml(QWidget *parent = 0);
        
        virtual ~ConsoleHtml();
        
        Analitza::Analyzer* analitza() { return &a; }
        
        void setMode(ConsoleMode newMode) { m_mode = newMode; }
        
        ConsoleMode mode() const { return m_mode; }
        
        void addOptionsObserver(InlineOptions* opt) { m_options += opt; }

        virtual void contextMenuEvent(QContextMenuEvent* ev);

    public slots:
        bool addOperation(const Analitza::Expression& e, const QString& input);
        
        bool loadScript(const KUrl& path);
        
        bool saveScript(const KUrl& path) const;
        
        bool saveLog(const KUrl& path) const;
        
        void clear();
        
        void copy() const;
        
        void openClickedUrl(const QUrl& url);
        
    signals:
        void status(const QString &msg);
        
        void changed();
        
        void paste(const QString& code);
        
    private slots:
        void initialize();
        
        void modifyVariable(const QString& name, const Analitza::Expression& exp);
        void removeVariable(const QString& name);
        void paste();
        
    private:
        QString retrieve(const KUrl& remoteUrl);
        
        Analitza::Analyzer a;
        void sendStatus(const QString& msg) { emit status(msg); }
        ConsoleMode m_mode;
        QList<Analitza::Expression> m_script;
        QStringList m_htmlLog;
        
        void updateView(const QString& newEntry, const QString& options);
        
        QByteArray m_css;
        QList<InlineOptions*> m_options;
};

#endif