Initial mirror commitHEADmaster

1 files changed, 54 insertions, 0 deletions

diff --git a/src/statistics/TimeChartPage.cpp b/src/statistics/TimeChartPage.cpp
new file mode 100644
index 0000000..62ca63b
--- /dev/null
+++ b/src/statistics/TimeChartPage.cpp
@@ -0,0 +1,54 @@
+#include "TimeChartPage.h"

+#include "StatisticsParams.h"

+#include "../charts/TimeChart.h"

+#include "../dictionary/CardPack.h"

+

+TimeChartPage::TimeChartPage(const StatisticsParams* statParams):

+    BaseStatPage(statParams)

+{

+}

+

+QWidget* TimeChartPage::createChart()

+{

+    chart = new TimeChart;

+    chart->setLabels(tr("Date"), tr("Cards"));

+    return chart;

+}

+

+void TimeChartPage::updateDataSet()

+{

+    QList<QDateTime> dates = getDates(statParams->getCardPack());

+    int period = statParams->getTimePeriod();

+    if(period == -1)

+        period = getStudyPeriodLength(dates);

+    int reviewsNum = getReviewsNum(dates, period);

+    totalReviewsLabel->setText(tr("Total: %1").arg(reviewsNum));

+    chart->setDates(dates, period, getDataDirection());

+}

+

+int TimeChartPage::getStudyPeriodLength(const QList<QDateTime>& dates) const

+{

+    const int minPeriod = 7;

+    QDateTime minDate = QDateTime::currentDateTime();

+    QDateTime maxDate = minDate;

+    foreach(QDateTime date, dates)

+        if(date < minDate)

+            minDate = date;

+        else if(date > maxDate)

+                maxDate = date;

+    int res = minDate.daysTo(maxDate) + 1;

+    if(res < minPeriod)

+        res = minPeriod;

+    return res;

+}

+

+int TimeChartPage::getReviewsNum(const QList<QDateTime>& dates,

+    int period) const

+{

+    QDateTime curDate = QDateTime::currentDateTime();

+    int res = 0;

+    foreach(QDateTime date, dates)

+        if(qAbs(date.daysTo(curDate)) < period)

+            res++;

+    return res;

+}