307 lines
11 KiB
Java
307 lines
11 KiB
Java
package nodomain.freeyourgadget.gadgetbridge.activities.charts;
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import android.app.Activity;
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import android.graphics.Color;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import com.github.mikephil.charting.charts.BarChart;
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import com.github.mikephil.charting.charts.Chart;
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import com.github.mikephil.charting.charts.PieChart;
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import com.github.mikephil.charting.components.LimitLine;
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import com.github.mikephil.charting.components.XAxis;
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import com.github.mikephil.charting.components.YAxis;
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import com.github.mikephil.charting.data.BarData;
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import com.github.mikephil.charting.data.BarDataSet;
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import com.github.mikephil.charting.data.BarEntry;
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import com.github.mikephil.charting.data.PieData;
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import com.github.mikephil.charting.data.PieDataSet;
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import com.github.mikephil.charting.data.PieEntry;
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import com.github.mikephil.charting.formatter.IAxisValueFormatter;
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import com.github.mikephil.charting.formatter.IValueFormatter;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.List;
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import java.util.Locale;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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import nodomain.freeyourgadget.gadgetbridge.model.ActivityAmounts;
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import nodomain.freeyourgadget.gadgetbridge.model.ActivitySample;
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import nodomain.freeyourgadget.gadgetbridge.util.LimitedQueue;
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public abstract class AbstractWeekChartFragment extends AbstractChartFragment {
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protected static final Logger LOG = LoggerFactory.getLogger(AbstractWeekChartFragment.class);
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private Locale mLocale;
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private int mTargetValue = 0;
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private PieChart mTodayPieChart;
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private BarChart mWeekChart;
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private int mOffsetHours = getOffsetHours();
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@Override
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protected ChartsData refreshInBackground(ChartsHost chartsHost, DBHandler db, GBDevice device) {
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Calendar day = Calendar.getInstance();
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day.setTime(chartsHost.getEndDate());
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//NB: we could have omitted the day, but this way we can move things to the past easily
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DayData dayData = refreshDayPie(db, day, device);
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DefaultChartsData weekBeforeData = refreshWeekBeforeData(db, mWeekChart, day, device);
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return new MyChartsData(dayData, weekBeforeData);
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}
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@Override
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protected void updateChartsnUIThread(ChartsData chartsData) {
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MyChartsData mcd = (MyChartsData) chartsData;
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// setupLegend(mWeekChart);
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mTodayPieChart.setCenterText(mcd.getDayData().centerText);
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mTodayPieChart.setData(mcd.getDayData().data);
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mWeekChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317
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mWeekChart.setData(mcd.getWeekBeforeData().getData());
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mWeekChart.getLegend().setEnabled(false);
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mWeekChart.getXAxis().setValueFormatter(mcd.getWeekBeforeData().getXValueFormatter());
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}
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@Override
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protected void renderCharts() {
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mWeekChart.invalidate();
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mTodayPieChart.invalidate();
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}
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private DefaultChartsData<BarData> refreshWeekBeforeData(DBHandler db, BarChart barChart, Calendar day, GBDevice device) {
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day = (Calendar) day.clone(); // do not modify the caller's argument
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day.add(Calendar.DATE, -7);
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List<BarEntry> entries = new ArrayList<>();
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ArrayList<String> labels = new ArrayList<String>();
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for (int counter = 0; counter < 7; counter++) {
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ActivityAmounts amounts = getActivityAmountsForDay(db, day, device);
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entries.add(new BarEntry(counter, getTotalsForActivityAmounts(amounts)));
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labels.add(day.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.SHORT, mLocale));
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day.add(Calendar.DATE, 1);
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}
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BarDataSet set = new BarDataSet(entries, "");
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set.setColors(getColors());
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set.setValueFormatter(getBarValueFormatter());
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BarData barData = new BarData(set);
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barData.setValueTextColor(Color.GRAY); //prevent tearing other graph elements with the black text. Another approach would be to hide the values cmpletely with data.setDrawValues(false);
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LimitLine target = new LimitLine(mTargetValue);
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barChart.getAxisLeft().removeAllLimitLines();
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barChart.getAxisLeft().addLimitLine(target);
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return new DefaultChartsData(barData, new PreformattedXIndexLabelFormatter(labels));
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}
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private DayData refreshDayPie(DBHandler db, Calendar day, GBDevice device) {
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PieData data = new PieData();
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List<PieEntry> entries = new ArrayList<>();
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PieDataSet set = new PieDataSet(entries, "");
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ActivityAmounts amounts = getActivityAmountsForDay(db, day, device);
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float totalValues[] = getTotalsForActivityAmounts(amounts);
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float totalValue = 0;
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for (float value : totalValues) {
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totalValue += value;
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entries.add(new PieEntry(value));
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}
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set.setValueFormatter(getPieValueFormatter());
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set.setColors(getColors());
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if (totalValue < mTargetValue) {
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entries.add(new PieEntry((mTargetValue - totalValue)));
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set.addColor(Color.GRAY);
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}
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data.setDataSet(set);
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//this hides the values (numeric) added to the set. These would be shown aside the strings set with addXValue above
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data.setDrawValues(false);
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return new DayData(data, formatPieValue((int) totalValue));
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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mLocale = getResources().getConfiguration().locale;
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View rootView = inflater.inflate(R.layout.fragment_weeksteps_chart, container, false);
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int goal = getGoal();
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if (goal >= 0) {
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mTargetValue = goal;
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}
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mTodayPieChart = (PieChart) rootView.findViewById(R.id.todaystepschart);
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mWeekChart = (BarChart) rootView.findViewById(R.id.weekstepschart);
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setupWeekChart();
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setupTodayPieChart();
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// refresh immediately instead of use refreshIfVisible(), for perceived performance
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refresh();
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return rootView;
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}
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private void setupTodayPieChart() {
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mTodayPieChart.setBackgroundColor(BACKGROUND_COLOR);
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mTodayPieChart.getDescription().setTextColor(DESCRIPTION_COLOR);
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mTodayPieChart.getDescription().setText(getPieDescription(mTargetValue));
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// mTodayPieChart.setNoDataTextDescription("");
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mTodayPieChart.setNoDataText("");
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mTodayPieChart.getLegend().setEnabled(false);
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// setupLegend(mTodayPieChart);
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}
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private void setupWeekChart() {
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mWeekChart.setBackgroundColor(BACKGROUND_COLOR);
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mWeekChart.getDescription().setTextColor(DESCRIPTION_COLOR);
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mWeekChart.getDescription().setText("");
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mWeekChart.setFitBars(true);
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configureBarLineChartDefaults(mWeekChart);
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XAxis x = mWeekChart.getXAxis();
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x.setDrawLabels(true);
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x.setDrawGridLines(false);
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x.setEnabled(true);
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x.setTextColor(CHART_TEXT_COLOR);
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x.setDrawLimitLinesBehindData(true);
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x.setPosition(XAxis.XAxisPosition.BOTTOM);
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YAxis y = mWeekChart.getAxisLeft();
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y.setDrawGridLines(false);
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y.setDrawTopYLabelEntry(false);
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y.setTextColor(CHART_TEXT_COLOR);
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y.setDrawZeroLine(true);
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y.setSpaceBottom(0);
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y.setAxisMinimum(0);
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y.setValueFormatter(getYAxisFormatter());
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y.setEnabled(true);
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YAxis yAxisRight = mWeekChart.getAxisRight();
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yAxisRight.setDrawGridLines(false);
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yAxisRight.setEnabled(false);
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yAxisRight.setDrawLabels(false);
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yAxisRight.setDrawTopYLabelEntry(false);
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yAxisRight.setTextColor(CHART_TEXT_COLOR);
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}
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@Override
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protected void setupLegend(Chart chart) {
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// List<Integer> legendColors = new ArrayList<>(1);
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// List<String> legendLabels = new ArrayList<>(1);
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// legendColors.add(akActivity.color);
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// legendLabels.add(getContext().getString(R.string.chart_steps));
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// chart.getLegend().setCustom(legendColors, legendLabels);
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// chart.getLegend().setTextColor(LEGEND_TEXT_COLOR);
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}
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private List<? extends ActivitySample> getSamplesOfDay(DBHandler db, Calendar day, int offsetHours, GBDevice device) {
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int startTs;
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int endTs;
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day = (Calendar) day.clone(); // do not modify the caller's argument
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day.set(Calendar.HOUR_OF_DAY, 0);
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day.set(Calendar.MINUTE, 0);
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day.set(Calendar.SECOND, 0);
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day.add(Calendar.HOUR, offsetHours);
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startTs = (int) (day.getTimeInMillis() / 1000);
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endTs = startTs + 24 * 60 * 60 - 1;
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return getSamples(db, device, startTs, endTs);
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}
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@Override
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protected List<? extends ActivitySample> getSamples(DBHandler db, GBDevice device, int tsFrom, int tsTo) {
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return super.getAllSamples(db, device, tsFrom, tsTo);
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}
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private static class DayData {
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private final PieData data;
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private final CharSequence centerText;
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DayData(PieData data, String centerText) {
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this.data = data;
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this.centerText = centerText;
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}
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}
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private static class MyChartsData extends ChartsData {
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private final DefaultChartsData<BarData> weekBeforeData;
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private final DayData dayData;
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MyChartsData(DayData dayData, DefaultChartsData<BarData> weekBeforeData) {
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this.dayData = dayData;
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this.weekBeforeData = weekBeforeData;
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}
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DayData getDayData() {
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return dayData;
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}
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DefaultChartsData<BarData> getWeekBeforeData() {
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return weekBeforeData;
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}
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}
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private ActivityAmounts getActivityAmountsForDay(DBHandler db, Calendar day, GBDevice device) {
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LimitedQueue activityAmountCache = null;
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ActivityAmounts amounts = null;
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Activity activity = getActivity();
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if (activity != null) {
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activityAmountCache = ((ChartsActivity) activity).mActivityAmountCache;
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amounts = (ActivityAmounts) (activityAmountCache.lookup(day.hashCode() ^ mOffsetHours));
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}
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if (amounts == null) {
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ActivityAnalysis analysis = new ActivityAnalysis();
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amounts = analysis.calculateActivityAmounts(getSamplesOfDay(db, day, mOffsetHours, device));
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if (activityAmountCache != null) {
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activityAmountCache.add(day.hashCode() ^ mOffsetHours, amounts);
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}
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}
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return amounts;
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}
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abstract int getGoal();
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abstract int getOffsetHours();
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abstract float[] getTotalsForActivityAmounts(ActivityAmounts activityAmounts);
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abstract String formatPieValue(int value);
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abstract IValueFormatter getPieValueFormatter();
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abstract IValueFormatter getBarValueFormatter();
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abstract IAxisValueFormatter getYAxisFormatter();
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abstract int[] getColors();
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abstract String getPieDescription(int targetValue);
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}
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