/*
 Copyright © 2017 Hasan Yavuz Özderya

 This file is part of serialplot.

 serialplot 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 3 of the License, or
 (at your option) any later version.

 serialplot 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 serialplot. If not, see <http://www.gnu.org/licenses/>.
*/

#include "barplot.h"
#include "barscaledraw.h"
#include "utils.h"

BarPlot::BarPlot(ChannelManager* channelMan, PlotMenu* menu, QWidget* parent) :
 QwtPlot(parent), _menu(menu), barChart(channelMan)
{
 _channelMan = channelMan;
 barChart.attach(this);
 setAxisMaxMinor(QwtPlot::xBottom, 0);
 setAxisScaleDraw(QwtPlot::xBottom, new BarScaleDraw(channelMan));

 update();
 connect(_channelMan, &ChannelManager::dataAdded, this, &BarPlot::update);
 connect(_channelMan, &ChannelManager::numOfChannelsChanged, this, &BarPlot::update);

 // connect to menu
 connect(&menu->darkBackgroundAction, SELECT<bool>::OVERLOAD_OF(&QAction::toggled),
 this, &BarPlot::darkBackground);
 darkBackground(menu->darkBackgroundAction.isChecked());
}

void BarPlot::update()
{
 // Note: -0.99 is used instead of -1 to handle the case of `numOfChannels==1`
 setAxisScale(QwtPlot::xBottom, 0, _channelMan->numOfChannels()-0.99, 1);
 barChart.resample();
 replot();
}

void BarPlot::setYAxis(bool autoScaled, double yMin, double yMax)
{
 if (autoScaled)
 {
 setAxisAutoScale(QwtPlot::yLeft);
 }
 else
 {
 setAxisScale(QwtPlot::yLeft, yMin, yMax);
 }
}


void BarPlot::darkBackground(bool enabled)
{
 if (enabled)
 {
 setCanvasBackground(QBrush(Qt::black));
 }
 else
 {
 setCanvasBackground(QBrush(Qt::white));
 }
 replot();
}