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/*************************************************************************
* Copyright 2009-2010 Sandro Andrade sandroandrade@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) version 3 or any later version *
* accepted by the membership of KDE e.V. (or its successor approved *
* by the membership of KDE e.V.), which shall act as a proxy *
* defined in Section 14 of version 3 of the license. *
* *
* 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, see <http://www.gnu.org/licenses/>. *
* ***********************************************************************/
#include "commithistoryview.h"
#include <QGraphicsProxyWidget>
#include <KGlobalSettings>
#include <qwt_plot.h>
#include <qwt_plot_grid.h>
#include <qwt_plot_curve.h>
#include <qwt_scale_widget.h>
class TimeScaleDraw : public QwtScaleDraw
{
public:
TimeScaleDraw(const QDate &minDate)
{
m_minDate = minDate;
}
virtual QwtText label(double v) const
{
QString dateFormat = KGlobal::locale()->dateFormatShort();
if (dateFormat == "%Y-%m-%d")
return QwtText(m_minDate.addDays((int)v).toString("MM/dd"));
else
return QwtText(m_minDate.addDays((int)v).toString("dd/MM"));
}
private:
QDate m_minDate;
};
CommitHistoryView::CommitHistoryView(KdeObservatory *kdeObservatory, const QHash<QString, bool> &commitHistoryViewProjects, const QMap<QString, KdeObservatory::Project> &projects, QGraphicsWidget *parent, Qt::WindowFlags wFlags)
: IViewProvider(kdeObservatory, parent, wFlags),
m_commitHistoryViewProjects(commitHistoryViewProjects),
m_projects(projects)
{
}
CommitHistoryView::~CommitHistoryView()
{
}
void CommitHistoryView::createViews()
{
deleteViews();
QHashIterator<QString, bool> i(m_commitHistoryViewProjects);
while (i.hasNext())
{
i.next();
if (i.value())
createView(i18nc("Commit history for a given project %1", "Commit History - %1", i.key()), QString("Commit History - ") + i.key());
}
}
void CommitHistoryView::updateViews(const Plasma::DataEngine::Data &data)
{
QString project = data["project"].toString();
const DateCommitList &projectCommits = data[project].value<DateCommitList>();
int count = projectCommits.count();
if (count > 0)
{
int maxCommit = 0;
QString tmpStr = projectCommits.at(0).first;
qlonglong minDate = tmpStr.remove('-').toLongLong();
double *x = new double[count];
double *y = new double[count];
int count = projectCommits.count();
int j;
for (j = 0; j < count; ++j)
{
const QPair<QString, int> &pair = projectCommits.at(j);
tmpStr = pair.first;
x[j] = j;
y[j] = pair.second;
if (y[j] > maxCommit)
maxCommit = y[j];
}
QGraphicsWidget *container = containerForView(QString("Commit History - ") + project);
if (!container)
return;
QGraphicsProxyWidget *proxy = new QGraphicsProxyWidget(container);
proxy->setFlag(QGraphicsItem::ItemClipsChildrenToShape, true);
QwtPlot *plot = new QwtPlot;
plot->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
plot->setAttribute(Qt::WA_TranslucentBackground, true);
plot->setAxisScale(QwtPlot::yLeft, 0, qRound((maxCommit/5.)+0.5)*5, qRound((maxCommit/5.)+0.5));
plot->setAxisScaleDraw(QwtPlot::xBottom, new TimeScaleDraw(QDate::fromString(QString::number(minDate), "yyyyMMdd")));
plot->setAxisFont(QwtPlot::yLeft, KGlobalSettings::smallestReadableFont());
plot->setAxisFont(QwtPlot::xBottom, KGlobalSettings::smallestReadableFont());
plot->setAxisLabelRotation(QwtPlot::xBottom, -15);
plot->setCanvasBackground(QColor(0, 0, 140));
QwtPlotCurve *curve = new QwtPlotCurve;
curve->setData(x, y, j);
delete []x;
delete []y;
curve->attach(plot);
QPen pen = curve->pen();
pen.setColor(QColor(255, 255, 0));
curve->setPen(pen);
plot->replot();
QwtPlotGrid *grid = new QwtPlotGrid;
grid->enableXMin(true);
grid->setMajPen(QPen(Qt::white, 0, Qt::DotLine));
grid->setMinPen(QPen(Qt::NoPen));
grid->attach(plot);
proxy->setWidget(plot);
plot->setGeometry(0, 0, container->geometry().width(), container->geometry().height());
}
}
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