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/*
* Copyright 2015-2017 Milian Wolff <mail@milianw.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "histogramwidget.h"
#include <QSortFilterProxyModel>
#include <QVBoxLayout>
#if defined(KChart_FOUND)
#include <KChartBarDiagram>
#include <KChartChart>
#include <KChartBackgroundAttributes>
#include <KChartCartesianCoordinatePlane>
#include <KChartDataValueAttributes>
#include <KChartFrameAttributes.h>
#include <KChartGridAttributes>
#include <KChartHeaderFooter>
#include <KChartLegend>
#endif
#ifdef NO_K_LIB
#include "noklib.h"
#else
#include <KColorScheme>
#include <KFormat>
#include <KLocalizedString>
#endif
#include "util.h"
#include "histogrammodel.h"
#ifdef KChart_FOUND
using namespace KChart;
#endif
namespace {
#if defined(KChart_FOUND)
class SizeAxis : public CartesianAxis
{
Q_OBJECT
public:
explicit SizeAxis(AbstractCartesianDiagram* diagram = nullptr)
: CartesianAxis(diagram)
{
}
const QString customizedLabel(const QString& label) const override
{
//!! KFormat format(QLocale::system());
return Util::formatByteSize(label.toDouble(), 1);
}
};
#endif
class HistogramProxy : public QSortFilterProxyModel
{
Q_OBJECT
public:
explicit HistogramProxy(bool showTotal, QObject* parent = nullptr)
: QSortFilterProxyModel(parent)
, m_showTotal(showTotal)
{
}
virtual ~HistogramProxy() = default;
protected:
bool filterAcceptsColumn(int sourceColumn, const QModelIndex& /*sourceParent*/) const override
{
if (m_showTotal) {
return sourceColumn == 0;
} else {
return sourceColumn != 0;
}
}
private:
bool m_showTotal;
};
}
HistogramWidget::HistogramWidget(QWidget* parent)
: QWidget(parent)
#if defined(KChart_FOUND)
, m_chart(new KChart::Chart(this))
, m_total(new BarDiagram(this))
, m_detailed(new BarDiagram(this))
#elif defined(QWT_FOUND)
, m_plot(new HistogramWidgetQwtPlot(this))
#endif
#ifdef SHOW_TABLES
, m_tableViewTotal(new QTableView(this))
, m_tableViewNoTotal(new QTableView(this))
#endif
{
auto layout = new QVBoxLayout(this);
#if defined(KChart_FOUND)
layout->addWidget(m_chart);
#elif defined(QWT_FOUND)
layout->addWidget(m_plot);
#endif
#ifdef SHOW_TABLES
auto hLayout = new QHBoxLayout();
hLayout->addWidget(m_tableViewTotal);
hLayout->addWidget(m_tableViewNoTotal);
hLayout->setStretch(0, 25);
hLayout->setStretch(1, 75);
layout->addLayout(hLayout);
layout->setStretch(0, 100);
layout->setStretch(1, 100);
#endif
setLayout(layout);
#ifdef KChart_FOUND
auto* coordinatePlane = dynamic_cast<CartesianCoordinatePlane*>(m_chart->coordinatePlane());
Q_ASSERT(coordinatePlane);
{
m_total->setAntiAliasing(true);
#ifdef NO_K_LIB
QPalette pal;
const QPen foreground(pal.color(QPalette::Active, QPalette::Foreground));
#else
KColorScheme scheme(QPalette::Active, KColorScheme::Window);
QPen foreground(scheme.foreground().color());
#endif
auto bottomAxis = new CartesianAxis(m_total);
auto axisTextAttributes = bottomAxis->textAttributes();
axisTextAttributes.setPen(foreground);
bottomAxis->setTextAttributes(axisTextAttributes);
auto axisTitleTextAttributes = bottomAxis->titleTextAttributes();
axisTitleTextAttributes.setPen(foreground);
bottomAxis->setTitleTextAttributes(axisTitleTextAttributes);
bottomAxis->setPosition(KChart::CartesianAxis::Bottom);
bottomAxis->setTitleText(i18n("Requested Allocation Size"));
m_total->addAxis(bottomAxis);
auto* rightAxis = new CartesianAxis(m_total);
rightAxis->setTextAttributes(axisTextAttributes);
rightAxis->setTitleTextAttributes(axisTitleTextAttributes);
rightAxis->setTitleText(i18n("Number of Allocations"));
rightAxis->setPosition(CartesianAxis::Right);
m_total->addAxis(rightAxis);
coordinatePlane->addDiagram(m_total);
m_total->setType(BarDiagram::Normal);
}
{
m_detailed->setAntiAliasing(true);
coordinatePlane->addDiagram(m_detailed);
m_detailed->setType(BarDiagram::Stacked);
}
#endif
}
HistogramWidget::~HistogramWidget() = default;
void HistogramWidget::setModel(HistogramModel *model)
{
#if defined(KChart_FOUND) || defined(SHOW_TABLES)
HistogramProxy *totalProxy, *proxy;
#endif
#if defined(KChart_FOUND)
{
totalProxy = new HistogramProxy(true, this);
totalProxy->setSourceModel(model);
m_total->setModel(totalProxy);
}
{
proxy = new HistogramProxy(false, this);
proxy->setSourceModel(model);
m_detailed->setModel(proxy);
}
#elif defined(QWT_FOUND)
connect(model, SIGNAL(modelReset()), this, SLOT(modelReset()));
m_plot->setModel(model);
#ifdef SHOW_TABLES
totalProxy = new HistogramProxy(true, this);
totalProxy->setSourceModel(model);
proxy = new HistogramProxy(false, this);
proxy->setSourceModel(model);
#endif // SHOW_TABLES
#endif // QWT_FOUND, KChart_FOUND
#ifdef SHOW_TABLES
m_tableViewTotal->setModel(totalProxy);
m_tableViewNoTotal->setModel(proxy);
#endif
}
#if defined(QWT_FOUND)
void HistogramWidget::modelReset()
{
m_plot->rebuild();
}
#endif
#include "histogramwidget.moc"
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