/* Copyright (C) 2021-2024 José Rebelo, Petr Vaněk
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.activities;
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import android.content.Context;
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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 android.widget.TextView;
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import androidx.core.content.ContextCompat;
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import com.github.mikephil.charting.charts.LineChart;
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import com.github.mikephil.charting.components.Legend;
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import com.github.mikephil.charting.components.MarkerView;
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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.ChartData;
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import com.github.mikephil.charting.data.Entry;
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import com.github.mikephil.charting.data.LineData;
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import com.github.mikephil.charting.data.LineDataSet;
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import com.github.mikephil.charting.formatter.ValueFormatter;
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import com.github.mikephil.charting.highlight.Highlight;
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import com.github.mikephil.charting.utils.MPPointF;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import java.util.List;
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import de.greenrobot.dao.query.QueryBuilder;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.activities.charts.DefaultChartsData;
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import nodomain.freeyourgadget.gadgetbridge.activities.charts.TimestampTranslation;
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import nodomain.freeyourgadget.gadgetbridge.database.DBAccess;
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import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
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import nodomain.freeyourgadget.gadgetbridge.database.DBHelper;
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import nodomain.freeyourgadget.gadgetbridge.entities.BatteryLevel;
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import nodomain.freeyourgadget.gadgetbridge.entities.BatteryLevelDao;
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import nodomain.freeyourgadget.gadgetbridge.entities.Device;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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public class BatteryInfoChartFragment extends AbstractGBFragment {
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private static final Logger LOG = LoggerFactory.getLogger(BatteryInfoChartFragment.class);
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protected int BACKGROUND_COLOR;
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protected int DESCRIPTION_COLOR;
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protected int CHART_TEXT_COLOR;
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protected int LEGEND_TEXT_COLOR;
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protected String BATTERY_LABEL;
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private LineChart mChart;
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private int startTime;
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private int endTime;
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private GBDevice gbDevice;
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private int batteryIndex;
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public void setDateAndGetData(GBDevice gbDevice, int batteryIndex, long startTime, long endTime) {
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this.startTime = (int) startTime;
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this.endTime = (int) endTime;
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this.gbDevice = gbDevice;
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this.batteryIndex = batteryIndex;
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try {
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createRefreshTask("Visualizing data", getActivity()).execute();
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} catch (Exception e) {
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LOG.debug("Unable to fill charts data right now:", e);
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}
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}
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protected RefreshTask createRefreshTask(String task, Context context) {
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return new RefreshTask(task, context);
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}
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private DefaultBatteryChartsData fill_dcd(List<? extends BatteryLevel> samples) {
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TimestampTranslation tsTranslation = new TimestampTranslation();
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List<Entry> entries = new ArrayList<Entry>();
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int firstTs = 0;
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for (BatteryLevel sample : samples) {
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entries.add(new Entry(tsTranslation.shorten(sample.getTimestamp()), sample.getLevel()));
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if (firstTs == 0) {
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firstTs = sample.getTimestamp();
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}
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}
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LineDataSet dataSet = new LineDataSet(entries, BATTERY_LABEL);
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dataSet.setLineWidth(2.2f);
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dataSet.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
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dataSet.setCubicIntensity(0.1f);
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dataSet.setDrawCircles(false);
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dataSet.setCircleRadius(2f);
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dataSet.setDrawValues(true);
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dataSet.setValueTextColor(CHART_TEXT_COLOR);
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dataSet.setHighlightEnabled(true);
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dataSet.setHighlightEnabled(true);
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LineData lineData = new LineData(dataSet);
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return new DefaultBatteryChartsData(lineData, new customFormatter(tsTranslation), firstTs);
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}
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private void init() {
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BACKGROUND_COLOR = GBApplication.getBackgroundColor(getContext());
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LEGEND_TEXT_COLOR = DESCRIPTION_COLOR = GBApplication.getTextColor(getContext());
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CHART_TEXT_COLOR = GBApplication.getSecondaryTextColor(getContext());
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BATTERY_LABEL = getString(R.string.battery_level);
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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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init();
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View rootView = inflater.inflate(R.layout.fragment_charts, container, false);
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mChart = rootView.findViewById(R.id.activitysleepchart);
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if (this.gbDevice != null) {
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setupChart();
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createRefreshTask("Visualizing data", getActivity()).execute();
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}
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return rootView;
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}
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@Override
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public String getTitle() {
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return "";
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}
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private void setupChart() {
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LEGEND_TEXT_COLOR = GBApplication.getTextColor(getContext());
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mChart.getLegend().setTextColor(LEGEND_TEXT_COLOR);
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mChart.setBackgroundColor(BACKGROUND_COLOR);
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mChart.getDescription().setTextColor(DESCRIPTION_COLOR);
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mChart.setTouchEnabled(true);
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mChart.getLegend().setHorizontalAlignment(Legend.LegendHorizontalAlignment.CENTER);
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mChart.getDescription().setEnabled(false);
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XAxis x = mChart.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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mChart.getXAxis().setSpaceMin(0.5f);
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x.setLabelCount(3);
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x.setTextColor(CHART_TEXT_COLOR);
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YAxis yAxisLeft = mChart.getAxisLeft();
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yAxisLeft.setAxisMaximum(100L);
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yAxisLeft.setAxisMinimum(0);
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yAxisLeft.setEnabled(true);
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yAxisLeft.setTextColor(CHART_TEXT_COLOR);
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YAxis yAxisRight = mChart.getAxisRight();
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yAxisRight.setAxisMaximum(100L);
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yAxisRight.setAxisMinimum(0);
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yAxisRight.setEnabled(true);
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yAxisRight.setTextColor(CHART_TEXT_COLOR);
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}
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private List<? extends BatteryLevel> getBatteryLevels(DBHandler db, GBDevice device, int batteryIndex, int tsFrom, int tsTo) {
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BatteryLevelDao batteryLevelDao = db.getDaoSession().getBatteryLevelDao();
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Device dbDevice = DBHelper.findDevice(device, db.getDaoSession());
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QueryBuilder<BatteryLevel> qb = batteryLevelDao.queryBuilder();
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qb.where(BatteryLevelDao.Properties.DeviceId.eq(dbDevice.getId())).orderAsc(BatteryLevelDao.Properties.Timestamp);
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qb.where(BatteryLevelDao.Properties.BatteryIndex.eq(batteryIndex));
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qb.where(BatteryLevelDao.Properties.Timestamp.gt(tsFrom));
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qb.where(BatteryLevelDao.Properties.Timestamp.lt(tsTo));
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List<BatteryLevel> levels = new ArrayList<>();
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levels.addAll(qb.build().list());
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return levels;
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}
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protected static class customFormatter extends ValueFormatter {
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private final TimestampTranslation tsTranslation;
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SimpleDateFormat annotationDateFormat = new SimpleDateFormat("dd.MM HH:mm");
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Calendar cal = GregorianCalendar.getInstance();
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public customFormatter(TimestampTranslation tsTranslation) {
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this.tsTranslation = tsTranslation;
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}
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@Override
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public String getFormattedValue(float value) {
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cal.clear();
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int ts = (int) value;
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cal.setTimeInMillis(tsTranslation.toOriginalValue(ts) * 1000L);
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Date date = cal.getTime();
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return annotationDateFormat.format(date);
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}
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}
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public class RefreshTask extends DBAccess {
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public RefreshTask(String task, Context context) {
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super(task, context);
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}
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@Override
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protected void doInBackground(DBHandler handler) {
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List<? extends BatteryLevel> samples = getBatteryLevels(handler, gbDevice, batteryIndex, startTime, endTime);
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DefaultBatteryChartsData dcd = null;
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try {
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dcd = fill_dcd(samples);
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} catch (Exception e) {
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LOG.debug("Unable to get charts data right now:", e);
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}
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if (dcd != null && mChart != null) {
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mChart.setTouchEnabled(true);
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mChart.setMarker(new batteryValuesAndDateMarker(getContext(), R.layout.custom_chart_marker, dcd.firstTs));
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mChart.getXAxis().setValueFormatter(dcd.getXValueFormatter());
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mChart.setData((LineData) dcd.getData());
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}
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}
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@Override
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protected void onPostExecute(Object o) {
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mChart.invalidate();
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}
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}
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private class DefaultBatteryChartsData extends DefaultChartsData {
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public int firstTs;
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public DefaultBatteryChartsData(ChartData data, ValueFormatter xValueFormatter, int ts) {
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super(data, xValueFormatter);
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firstTs = ts;
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}
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}
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public class batteryValuesAndDateMarker extends MarkerView {
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customFormatter formatter;
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private TextView top_text;
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private TextView bottom_text;
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private MPPointF mOffset;
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private int firstTs;
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public batteryValuesAndDateMarker(Context context, int layoutResource, int ts) {
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super(context, layoutResource);
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TimestampTranslation tsTranslation = new TimestampTranslation();
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formatter = new customFormatter(tsTranslation);
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top_text = (TextView) findViewById(R.id.chart_marker_item_top);
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bottom_text = (TextView) findViewById(R.id.chart_marker_item_bottom);
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firstTs = ts;
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}
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// callbacks everytime the MarkerView is redrawn, can be used to update the
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// content (user-interface)
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@Override
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public void refreshContent(Entry e, Highlight highlight) {
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top_text.setText(String.format("%1s%%", (int) e.getY()));
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bottom_text.setText(formatter.getFormattedValue(e.getX() + firstTs));
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// this will perform necessary layouting
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super.refreshContent(e, highlight);
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}
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@Override
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public MPPointF getOffset() {
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if (mOffset == null) {
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// center the marker horizontally and vertically
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mOffset = new MPPointF(-(getWidth() / 2) + 20, -getHeight() - 10);
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}
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return mOffset;
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}
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}
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}
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