/*------------------------------------------------------------------------------
-- This file is a part of the QLop Software
-- Copyright (C) 2015, Plasma Physics Laboratory - CNRS
--
-- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-------------------------------------------------------------------------------*/
/*-- Author : Alexis Jeandet
-- Mail : alexis.jeandet@member.fsf.org
----------------------------------------------------------------------------*/

#include "qlopplots.h"
#include  <QMainWindow>

QLopPlots* QLopPlots::_self=NULL;
SocExplorerPlot* QLopPlots::m_LastPlot=NULL;
QDockWidget* QLopPlots::m_gui=NULL;
QHash<int,SocExplorerPlot*>* QLopPlots::m_plots=NULL;
toolBarContainer* QLopPlots::m_DocContainer=NULL;


#define _INIT() if(Q_UNLIKELY(_self==NULL)){init();}


QLopPlots::QLopPlots(bool noGUI,QObject *parent)
{
    m_noGui = noGUI;
    m_serviceName = "QLopPlots";
    m_plots = new QHash<int,SocExplorerPlot*>();
}

QLopPlots::~QLopPlots()
{

}

int QLopPlots::getPlotID()
{
    _INIT();
    for(int i=0;i<32768;i++)
    {
        if(!m_plots->contains(i))
        {
            return i;
        }
    }
    return -1;
}

void QLopPlots::init(bool noGUI, QObject *parent)
{
    if(Q_UNLIKELY(_self==NULL))
    {
        _self=new QLopPlots(noGUI,parent);
    }
}

QLopPlots *QLopPlots::self()
{
    _INIT();
    return _self;
}

SocExplorerPlot *QLopPlots::getPlot(int plotID)
{
    _INIT();
    if(!_self->m_noGui && (m_gui==NULL))
    {
        m_gui=new QDockWidget("Plots");
        m_DocContainer = new toolBarContainer();
//        m_SocExplorerPlot = new SocExplorerPlot();
        m_gui->setWidget(m_DocContainer);
        m_gui->setFeatures(QDockWidget::DockWidgetMovable|QDockWidget::DockWidgetFloatable);
    }
    if(m_plots->contains(plotID))
    {
        return m_plots->value(plotID);
    }
    if(plotID==-1)
    {
        return m_LastPlot;
    }
    return NULL;
}

int QLopPlots::addPlot()
{
    _INIT();
    int pid=getPlotID();
    if(pid!=-1)
    {
        SocExplorerPlot* plot=new SocExplorerPlot();
        plot->setPID(pid);
        m_plots->insert(pid,plot);
        QDockWidget* dock = new QDockWidget();
        dock->setWidget(plot);
        dock->setAllowedAreas(Qt::AllDockWidgetAreas);
        m_DocContainer->addDockWidget(Qt::TopDockWidgetArea,dock);
        m_LastPlot=plot;
        QObject::connect(plot,SIGNAL(titleChanged(QString)),dock,SLOT(setWindowTitle(QString)));
        plot->setTitle(QString("Plot %1").arg(pid));
    }
    return pid;
}

bool QLopPlots::removePlot(int plotID)
{
    _INIT();
    if(m_plots->contains(plotID))
    {
        SocExplorerPlot* plot=m_plots->value(plotID);
        m_plots->remove(plotID);
        QDockWidget* dock=(QDockWidget*)plot->parentWidget();
        m_DocContainer->removeDockWidget(dock);
        if(plot==m_LastPlot)
        {
            //TODO may cause troubles...
            m_LastPlot = NULL;
        }
        if(dock!=NULL)
        {
            delete dock;
        }
        if(plot!=NULL)
        {
            delete plot;
        }
    }
    return false;
}

QDockWidget *QLopPlots::getGUI()
{
    if(!m_noGui && (m_gui==NULL))
    {
        m_gui=new QDockWidget("Plots");
        m_DocContainer = new toolBarContainer();
//        m_SocExplorerPlot = new SocExplorerPlot();
        m_gui->setWidget(m_DocContainer);
        m_gui->setFeatures(QDockWidget::DockWidgetMovable|QDockWidget::DockWidgetFloatable);
    }
    return m_gui;
}

const QString &QLopPlots::serviceName()
{
    return m_serviceName;
}

SocExplorerPlot *QLopPlots::get_plot(int plotID)
{
    return getPlot(plotID);
}

int QLopPlots::add_plot()
{
    return addPlot();
}

bool QLopPlots::remove_plot(int plotID)
{
    return removePlot(plotID);
}