Java 类com.github.mikephil.charting.data.DataSet 实例源码

项目：MPAndroidChart-Realm 文件：RealmBaseDataSet.java

@Override
public void calcMinMaxY(float fromX, float toX) {

    if (mValues == null || mValues.isEmpty())
        return;

    mYMax = -Float.MAX_VALUE;
    mYMin = Float.MAX_VALUE;

    int indexFrom = getEntryIndex(fromX, Float.NaN, DataSet.Rounding.DOWN);
    int indexTo = getEntryIndex(toX, Float.NaN, DataSet.Rounding.UP);

    for (int i = indexFrom; i <= indexTo; i++) {

        // only recalculate y
        calcMinMaxY(mValues.get(i));
    }
}

项目：MPAndroidChart-Realm 文件：RealmBaseDataSet.java

@Override
public void addEntryOrdered(S e) {

    if (e == null)
        return;

    if (mValues == null) {
        mValues = new ArrayList<S>();
    }

    calcMinMax(e);

    if (mValues.size() > 0 && mValues.get(mValues.size() - 1).getX() > e.getX()) {
        int closestIndex = getEntryIndex(e.getX(), e.getY(), DataSet.Rounding.UP);
        mValues.add(closestIndex, e);
    } else {
        mValues.add(e);
    }
}

项目：mobile-manager-for-cloudflare 文件：BarChart.java

@Override
protected void calcMinMax(boolean fixedValues) {
    super.calcMinMax(fixedValues);

    // increase deltax by 1 because the bars have a width of 1
    mDeltaX++;

    // extend xDelta to make space for multiple datasets (if ther are one)
    mDeltaX *= mData.getDataSetCount();

    int maxEntry = 0;

    for (int i = 0; i < mData.getDataSetCount(); i++) {

        DataSet<? extends Entry> set = mData.getDataSetByIndex(i);

        if (maxEntry < set.getEntryCount())
            maxEntry = set.getEntryCount();
    }

    float groupSpace = mData.getGroupSpace();
    mDeltaX += maxEntry * groupSpace;
}

项目：braingames 文件：BarChart.java

@Override
protected void calcMinMax(boolean fixedValues) {
    super.calcMinMax(fixedValues);

    // increase deltax by 1 because the bars have a width of 1
    mDeltaX++;

    // extend xDelta to make space for multiple datasets (if ther are one)
    mDeltaX *= mData.getDataSetCount();

    int maxEntry = 0;

    for (int i = 0; i < mData.getDataSetCount(); i++) {

        DataSet<? extends Entry> set = mData.getDataSetByIndex(i);

        if (maxEntry < set.getEntryCount())
            maxEntry = set.getEntryCount();
    }

    float groupSpace = mData.getGroupSpace();
    mDeltaX += maxEntry * groupSpace;
}

项目：Notification-Analyser 文件：BarChart.java

@Override
protected void calcMinMax(boolean fixedValues) {
    super.calcMinMax(fixedValues);

    // increase deltax by 1 because the bars have a width of 1
    mDeltaX++;

    // extend xDelta to make space for multiple datasets (if ther are one)
    mDeltaX *= mOriginalData.getDataSetCount();

    int maxEntry = 0;

    for (int i = 0; i < mOriginalData.getDataSetCount(); i++) {

        DataSet<? extends Entry> set = mOriginalData.getDataSetByIndex(i);

        if (maxEntry < set.getEntryCount())
            maxEntry = set.getEntryCount();
    }

    float groupSpace = mOriginalData.getGroupSpace();
    mDeltaX += maxEntry * groupSpace;
}

项目：GitHub 文件：BarLineScatterCandleBubbleRenderer.java

/**
 * Calculates the minimum and maximum x values as well as the range between them.
 *
 * @param chart
 * @param dataSet
 */
public void set(BarLineScatterCandleBubbleDataProvider chart, IBarLineScatterCandleBubbleDataSet dataSet) {
    float phaseX = Math.max(0.f, Math.min(1.f, mAnimator.getPhaseX()));

    float low = chart.getLowestVisibleX();
    float high = chart.getHighestVisibleX();

    Entry entryFrom = dataSet.getEntryForXValue(low, Float.NaN, DataSet.Rounding.DOWN);
    Entry entryTo = dataSet.getEntryForXValue(high, Float.NaN, DataSet.Rounding.UP);

    min = entryFrom == null ? 0 : dataSet.getEntryIndex(entryFrom);
    max = entryTo == null ? 0 : dataSet.getEntryIndex(entryTo);
    range = (int) ((max - min) * phaseX);
}

项目：GitHub 文件：ChartHighlighter.java

/**
 * An array of `Highlight` objects corresponding to the selected xValue and dataSetIndex.
 *
 * @param set
 * @param dataSetIndex
 * @param xVal
 * @param rounding
 * @return
 */
protected List<Highlight> buildHighlights(IDataSet set, int dataSetIndex, float xVal, DataSet.Rounding rounding) {

    ArrayList<Highlight> highlights = new ArrayList<>();

    //noinspection unchecked
    List<Entry> entries = set.getEntriesForXValue(xVal);
    if (entries.size() == 0) {
        // Try to find closest x-value and take all entries for that x-value
        final Entry closest = set.getEntryForXValue(xVal, Float.NaN, rounding);
        if (closest != null)
        {
            //noinspection unchecked
            entries = set.getEntriesForXValue(closest.getX());
        }
    }

    if (entries.size() == 0)
        return highlights;

    for (Entry e : entries) {
        MPPointD pixels = mChart.getTransformer(
                set.getAxisDependency()).getPixelForValues(e.getX(), e.getY());

        highlights.add(new Highlight(
                e.getX(), e.getY(),
                (float) pixels.x, (float) pixels.y,
                dataSetIndex, set.getAxisDependency()));
    }

    return highlights;
}

项目：GitHub 文件：HorizontalBarHighlighter.java

@Override
protected List<Highlight> buildHighlights(IDataSet set, int dataSetIndex, float xVal, DataSet.Rounding rounding) {

    ArrayList<Highlight> highlights = new ArrayList<>();

    //noinspection unchecked
    List<Entry> entries = set.getEntriesForXValue(xVal);
    if (entries.size() == 0) {
        // Try to find closest x-value and take all entries for that x-value
        final Entry closest = set.getEntryForXValue(xVal, Float.NaN, rounding);
        if (closest != null)
        {
            //noinspection unchecked
            entries = set.getEntriesForXValue(closest.getX());
        }
    }

    if (entries.size() == 0)
        return highlights;

    for (Entry e : entries) {
        MPPointD pixels = mChart.getTransformer(
                set.getAxisDependency()).getPixelForValues(e.getY(), e.getX());

        highlights.add(new Highlight(
                e.getX(), e.getY(),
                (float) pixels.x, (float) pixels.y,
                dataSetIndex, set.getAxisDependency()));
    }

    return highlights;
}

项目：GitHub 文件：DataSetTest.java

@Test
public void testGetEntryForXValue() {

    List<Entry> entries = new ArrayList<Entry>();
    entries.add(new Entry(10, 10));
    entries.add(new Entry(15, 5));
    entries.add(new Entry(21, 5));

    ScatterDataSet set = new ScatterDataSet(entries, "");

    Entry closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(15, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(14, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(10, closest.getX(), 0.01f);
    assertEquals(10, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(21, Float.NaN, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(21, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
}

项目：GitHub 文件：DrawChartActivity.java

/** callback when a DataSet has been drawn (when lifting the finger) */
@Override
public void onDrawFinished(DataSet<?> dataSet) {
    Log.i(Chart.LOG_TAG, "DataSet drawn. " + dataSet.toSimpleString());

    // prepare the legend again
    mChart.getLegendRenderer().computeLegend(mChart.getData());
}

项目：Stayfit 文件：RealmBaseDataSet.java

@Override
public S getEntryForXIndex(int xIndex, DataSet.Rounding rounding) {
    int index = getEntryIndex(xIndex, rounding);
    if (index > -1)
        return mValues.get(index);
    return null;
}

项目：Stayfit 文件：RealmBaseDataSet.java

@Override
public int getEntryIndex(int x, DataSet.Rounding rounding) {

    int low = 0;
    int high = mValues.size() - 1;
    int closest = -1;

    while (low <= high) {
        int m = (high + low) / 2;

        if (x == mValues.get(m).getXIndex()) {
            while (m > 0 && mValues.get(m - 1).getXIndex() == x)
                m--;

            return m;
        }

        if (x > mValues.get(m).getXIndex())
            low = m + 1;
        else
            high = m - 1;

        closest = m;
    }

    if (closest != -1) {
        int closestXIndex = mValues.get(closest).getXIndex();
        if (rounding == DataSet.Rounding.UP) {
            if (closestXIndex < x && closest < mValues.size() - 1) {
                ++closest;
            }
        } else if (rounding == DataSet.Rounding.DOWN) {
            if (closestXIndex > x && closest > 0) {
                --closest;
            }
        }
    }

    return closest;
}

项目：Stayfit 文件：RealmBaseDataSet.java

@Override
public void addEntryOrdered(S e) {

    if (e == null)
        return;

    float val = e.getVal();

    if (mValues == null) {
        mValues = new ArrayList<S>();
    }

    if (mValues.size() == 0) {
        mYMax = val;
        mYMin = val;
    } else {
        if (mYMax < val)
            mYMax = val;
        if (mYMin > val)
            mYMin = val;
    }

    if (mValues.size() > 0 && mValues.get(mValues.size() - 1).getXIndex() > e.getXIndex()) {
        int closestIndex = getEntryIndex(e.getXIndex(), DataSet.Rounding.UP);
        mValues.add(closestIndex, e);
        return;
    }

    mValues.add(e);
}

项目：Stayfit 文件：DrawChartActivity.java

/** callback when a DataSet has been drawn (when lifting the finger) */
@Override
public void onDrawFinished(DataSet<?> dataSet) {
    Log.i(Chart.LOG_TAG, "DataSet drawn. " + dataSet.toSimpleString());

    // prepare the legend again
    mChart.getLegendRenderer().computeLegend(mChart.getData());
}

项目：NetKnight 文件：RealmBaseDataSet.java

@Override
public S getEntryForXIndex(int xIndex, DataSet.Rounding rounding) {
    int index = getEntryIndex(xIndex, rounding);
    if (index > -1)
        return mValues.get(index);
    return null;
}

项目：NetKnight 文件：RealmBaseDataSet.java

@Override
public void addEntryOrdered(S e) {

    if (e == null)
        return;

    float val = e.getVal();

    if (mValues == null) {
        mValues = new ArrayList<S>();
    }

    if (mValues.size() == 0) {
        mYMax = val;
        mYMin = val;
    } else {
        if (mYMax < val)
            mYMax = val;
        if (mYMin > val)
            mYMin = val;
    }

    if (mValues.size() > 0 && mValues.get(mValues.size() - 1).getXIndex() > e.getXIndex()) {
        int closestIndex = getEntryIndex(e.getXIndex(), DataSet.Rounding.UP);
        mValues.add(closestIndex, e);
        return;
    }

    mValues.add(e);
}

项目：P2P 文件：PieChart.java

/**
 * Returns the index of the DataSet this x-index belongs to.
 *
 * @param xIndex
 * @return
 */
public int getDataSetIndexForIndex(int xIndex) {

    List<? extends DataSet<? extends Entry>> dataSets = mData.getDataSets();

    for (int i = 0; i < dataSets.size(); i++) {
        if (dataSets.get(i).getEntryForXIndex(xIndex) != null)
            return i;
    }

    return -1;
}

项目：P2P 文件：Chart.java

/**
 * Sets a new data object for the chart. The data object contains all values
 * and information needed for displaying.
 *
 * @param data
 */
public void setData(T data) {

    if (data == null) {
        Log.e(LOG_TAG,
                "Cannot set data for chart. Provided data object is null.");
        return;
    }

    // LET THE CHART KNOW THERE IS DATA
    mDataNotSet = false;
    mOffsetsCalculated = false;
    mData = data;

    // calculate how many digits are needed
    calculateFormatter(data.getYMin(), data.getYMax());

    for (DataSet<?> set : mData.getDataSets()) {
        if (set.needsDefaultFormatter())
            set.setValueFormatter(mDefaultFormatter);
    }

    // let the chart know there is new data
    notifyDataSetChanged();

    if (mLogEnabled)
        Log.i(LOG_TAG, "Data is set.");
}

项目：P2P 文件：DataRenderer.java

/**
 * Applies the required styling (provided by the DataSet) to the value-paint
 * object.
 *
 * @param set
 */
protected void applyValueTextStyle(DataSet<?> set) {

    mValuePaint.setColor(set.getValueTextColor());
    mValuePaint.setTypeface(set.getValueTypeface());
    mValuePaint.setTextSize(set.getValueTextSize());
}

项目：react-native-mp-android-chart 文件：ChartDataSetConfigUtils.java

public static void commonConfig(DataSet dataSet, ReadableMap config) {
    // Setting main color
    if (BridgeUtils.validate(config, ReadableType.String, "color")) {
        dataSet.setColor(Color.parseColor(config.getString("color")));
    }
    if (BridgeUtils.validate(config, ReadableType.Array, "colors")) {
        dataSet.setColors(BridgeUtils.parseColors(config.getArray("colors")));
    }

    // TODO more config to add: https://github.com/PhilJay/MPAndroidChart/wiki/The-DataSet-class

    if (BridgeUtils.validate(config, ReadableType.Boolean, "drawValues")) {
        dataSet.setDrawValues(config.getBoolean("drawValues"));
    }
}

项目：xs-android-architecture 文件：BarLineScatterCandleBubbleRenderer.java

/**
 * Calculates the minimum and maximum x values as well as the range between them.
 *
 * @param chart
 * @param dataSet
 */
public void set(BarLineScatterCandleBubbleDataProvider chart, IBarLineScatterCandleBubbleDataSet dataSet) {
    float phaseX = Math.max(0.f, Math.min(1.f, mAnimator.getPhaseX()));

    float low = chart.getLowestVisibleX();
    float high = chart.getHighestVisibleX();

    Entry entryFrom = dataSet.getEntryForXValue(low, Float.NaN, DataSet.Rounding.DOWN);
    Entry entryTo = dataSet.getEntryForXValue(high, Float.NaN, DataSet.Rounding.UP);

    min = entryFrom == null ? 0 : dataSet.getEntryIndex(entryFrom);
    max = entryTo == null ? 0 : dataSet.getEntryIndex(entryTo);
    range = (int) ((max - min) * phaseX);
}

项目：xs-android-architecture 文件：ChartHighlighter.java

/**
 * An array of `Highlight` objects corresponding to the selected xValue and dataSetIndex.
 *
 * @param set
 * @param dataSetIndex
 * @param xVal
 * @param rounding
 * @return
 */
protected List<Highlight> buildHighlights(IDataSet set, int dataSetIndex, float xVal, DataSet.Rounding rounding) {

    ArrayList<Highlight> highlights = new ArrayList<>();

    //noinspection unchecked
    List<Entry> entries = set.getEntriesForXValue(xVal);
    if (entries.size() == 0) {
        // Try to find closest x-value and take all entries for that x-value
        final Entry closest = set.getEntryForXValue(xVal, Float.NaN, rounding);
        if (closest != null)
        {
            //noinspection unchecked
            entries = set.getEntriesForXValue(closest.getX());
        }
    }

    if (entries.size() == 0)
        return highlights;

    for (Entry e : entries) {
        MPPointD pixels = mChart.getTransformer(
                set.getAxisDependency()).getPixelForValues(e.getX(), e.getY());

        highlights.add(new Highlight(
                e.getX(), e.getY(),
                (float) pixels.x, (float) pixels.y,
                dataSetIndex, set.getAxisDependency()));
    }

    return highlights;
}

项目：xs-android-architecture 文件：HorizontalBarHighlighter.java

@Override
protected List<Highlight> buildHighlights(IDataSet set, int dataSetIndex, float xVal, DataSet.Rounding rounding) {

    ArrayList<Highlight> highlights = new ArrayList<>();

    //noinspection unchecked
    List<Entry> entries = set.getEntriesForXValue(xVal);
    if (entries.size() == 0) {
        // Try to find closest x-value and take all entries for that x-value
        final Entry closest = set.getEntryForXValue(xVal, Float.NaN, rounding);
        if (closest != null)
        {
            //noinspection unchecked
            entries = set.getEntriesForXValue(closest.getX());
        }
    }

    if (entries.size() == 0)
        return highlights;

    for (Entry e : entries) {
        MPPointD pixels = mChart.getTransformer(
                set.getAxisDependency()).getPixelForValues(e.getY(), e.getX());

        highlights.add(new Highlight(
                e.getX(), e.getY(),
                (float) pixels.x, (float) pixels.y,
                dataSetIndex, set.getAxisDependency()));
    }

    return highlights;
}

项目：xs-android-architecture 文件：DataSetTest.java

@Test
public void testGetEntryForXValue() {

    List<Entry> entries = new ArrayList<Entry>();
    entries.add(new Entry(10, 10));
    entries.add(new Entry(15, 5));
    entries.add(new Entry(21, 5));

    ScatterDataSet set = new ScatterDataSet(entries, "");

    Entry closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(15, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(14, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(10, closest.getX(), 0.01f);
    assertEquals(10, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(21, Float.NaN, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(21, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
}

项目：xs-android-architecture 文件：DrawChartActivity.java

/** callback when a DataSet has been drawn (when lifting the finger) */
@Override
public void onDrawFinished(DataSet<?> dataSet) {
    Log.i(Chart.LOG_TAG, "DataSet drawn. " + dataSet.toSimpleString());

    // prepare the legend again
    mChart.getLegendRenderer().computeLegend(mChart.getData());
}

项目：LETO-Toggl_Android 文件：BarLineScatterCandleBubbleRenderer.java

/**
 * Calculates the minimum and maximum x values as well as the range between them.
 *
 * @param chart
 * @param dataSet
 */
public void set(BarLineScatterCandleBubbleDataProvider chart, IBarLineScatterCandleBubbleDataSet dataSet) {
    float phaseX = Math.max(0.f, Math.min(1.f, mAnimator.getPhaseX()));

    float low = chart.getLowestVisibleX();
    float high = chart.getHighestVisibleX();

    Entry entryFrom = dataSet.getEntryForXPos(low, DataSet.Rounding.DOWN);
    Entry entryTo = dataSet.getEntryForXPos(high, DataSet.Rounding.UP);

    min = dataSet.getEntryIndex(entryFrom);
    max = dataSet.getEntryIndex(entryTo);
    range = (int) ((max - min) * phaseX);
}

项目：LETO-Toggl_Android 文件：DataSetTest.java

@Test
public void testGetEntryForXPos() {

    List<Entry> entries = new ArrayList<Entry>();
    entries.add(new Entry(10, 10));
    entries.add(new Entry(15, 5));
    entries.add(new Entry(21, 5));

    ScatterDataSet set = new ScatterDataSet(entries, "");

    Entry closest = set.getEntryForXPos(17, DataSet.Rounding.CLOSEST);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXPos(17, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXPos(15, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXPos(14, DataSet.Rounding.DOWN);
    assertEquals(10, closest.getX(), 0.01f);
    assertEquals(10, closest.getY(), 0.01f);

    closest = set.getEntryForXPos(17, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXPos(21, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXPos(21, DataSet.Rounding.CLOSEST);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
}

项目：QuShuChe 文件：RealmBaseDataSet.java

@Override
public S getEntryForXIndex(int xIndex, DataSet.Rounding rounding) {
    int index = getEntryIndex(xIndex, rounding);
    if (index > -1)
        return mValues.get(index);
    return null;
}

项目：QuShuChe 文件：RealmBaseDataSet.java

@Override
public int getEntryIndex(int x, DataSet.Rounding rounding) {

    int low = 0;
    int high = mValues.size() - 1;
    int closest = -1;

    while (low <= high) {
        int m = (high + low) / 2;

        if (x == mValues.get(m).getXIndex()) {
            while (m > 0 && mValues.get(m - 1).getXIndex() == x)
                m--;

            return m;
        }

        if (x > mValues.get(m).getXIndex())
            low = m + 1;
        else
            high = m - 1;

        closest = m;
    }

    if (closest != -1) {
        int closestXIndex = mValues.get(closest).getXIndex();
        if (rounding == DataSet.Rounding.UP) {
            if (closestXIndex < x && closest < mValues.size() - 1) {
                ++closest;
            }
        } else if (rounding == DataSet.Rounding.DOWN) {
            if (closestXIndex > x && closest > 0) {
                --closest;
            }
        }
    }

    return closest;
}

项目：QuShuChe 文件：RealmBaseDataSet.java

@Override
public void addEntryOrdered(S e) {

    if (e == null)
        return;

    float val = e.getVal();

    if (mValues == null) {
        mValues = new ArrayList<S>();
    }

    if (mValues.size() == 0) {
        mYMax = val;
        mYMin = val;
    } else {
        if (mYMax < val)
            mYMax = val;
        if (mYMin > val)
            mYMin = val;
    }

    if (mValues.size() > 0 && mValues.get(mValues.size() - 1).getXIndex() > e.getXIndex()) {
        int closestIndex = getEntryIndex(e.getXIndex(), DataSet.Rounding.UP);
        mValues.add(closestIndex, e);
        return;
    }

    mValues.add(e);
}

项目：MPAndroidChart-Realm 文件：RealmBaseDataSet.java

@Override
public S getEntryForXValue(float xValue, float closestToY, DataSet.Rounding rounding) {

    int index = getEntryIndex(xValue, closestToY, rounding);
    if (index > -1)
        return mValues.get(index);
    return null;
}

项目：mobile-manager-for-cloudflare 文件：PieChart.java

/**
 * Returns the index of the DataSet this x-index belongs to.
 * 
 * @param xIndex
 * @return
 */
public int getDataSetIndexForIndex(int xIndex) {

    ArrayList<? extends DataSet<? extends Entry>> dataSets = mData.getDataSets();

    for (int i = 0; i < dataSets.size(); i++) {
        if (dataSets.get(i).getEntryForXIndex(xIndex) != null)
            return i;
    }

    return -1;
}

项目：mobile-manager-for-cloudflare 文件：Chart.java

/**
 * returns the average value for a specific DataSet (with a specific label)
 * in the chart
 * 
 * @param dataSetLabel
 * @return
 */
public float getAverage(String dataSetLabel) {

    DataSet<? extends Entry> ds = mData.getDataSetByLabel(dataSetLabel, true);

    return ds.getYValueSum()
            / ds.getEntryCount();
}

项目：MPAndroidChart 文件：BarLineScatterCandleBubbleRenderer.java

/**
 * Calculates the minimum and maximum x values as well as the range between them.
 *
 * @param chart
 * @param dataSet
 */
public void set(BarLineScatterCandleBubbleDataProvider chart, IBarLineScatterCandleBubbleDataSet dataSet) {
    float phaseX = Math.max(0.f, Math.min(1.f, mAnimator.getPhaseX()));

    float low = chart.getLowestVisibleX();
    float high = chart.getHighestVisibleX();

    Entry entryFrom = dataSet.getEntryForXValue(low, Float.NaN, DataSet.Rounding.DOWN);
    Entry entryTo = dataSet.getEntryForXValue(high, Float.NaN, DataSet.Rounding.UP);

    min = entryFrom == null ? 0 : dataSet.getEntryIndex(entryFrom);
    max = entryTo == null ? 0 : dataSet.getEntryIndex(entryTo);
    range = (int) ((max - min) * phaseX);
}

项目：MPAndroidChart 文件：ChartHighlighter.java

/**
 * An array of `Highlight` objects corresponding to the selected xValue and dataSetIndex.
 *
 * @param set
 * @param dataSetIndex
 * @param xVal
 * @param rounding
 * @return
 */
protected List<Highlight> buildHighlights(IDataSet set, int dataSetIndex, float xVal, DataSet.Rounding rounding) {

    ArrayList<Highlight> highlights = new ArrayList<>();

    //noinspection unchecked
    List<Entry> entries = set.getEntriesForXValue(xVal);
    if (entries.size() == 0) {
        // Try to find closest x-value and take all entries for that x-value
        final Entry closest = set.getEntryForXValue(xVal, Float.NaN, rounding);
        if (closest != null)
        {
            //noinspection unchecked
            entries = set.getEntriesForXValue(closest.getX());
        }
    }

    if (entries.size() == 0)
        return highlights;

    for (Entry e : entries) {
        MPPointD pixels = mChart.getTransformer(
                set.getAxisDependency()).getPixelForValues(e.getX(), e.getY());

        highlights.add(new Highlight(
                e.getX(), e.getY(),
                (float) pixels.x, (float) pixels.y,
                dataSetIndex, set.getAxisDependency()));
    }

    return highlights;
}

项目：MPAndroidChart 文件：HorizontalBarHighlighter.java

@Override
protected List<Highlight> buildHighlights(IDataSet set, int dataSetIndex, float xVal, DataSet.Rounding rounding) {

    ArrayList<Highlight> highlights = new ArrayList<>();

    //noinspection unchecked
    List<Entry> entries = set.getEntriesForXValue(xVal);
    if (entries.size() == 0) {
        // Try to find closest x-value and take all entries for that x-value
        final Entry closest = set.getEntryForXValue(xVal, Float.NaN, rounding);
        if (closest != null)
        {
            //noinspection unchecked
            entries = set.getEntriesForXValue(closest.getX());
        }
    }

    if (entries.size() == 0)
        return highlights;

    for (Entry e : entries) {
        MPPointD pixels = mChart.getTransformer(
                set.getAxisDependency()).getPixelForValues(e.getY(), e.getX());

        highlights.add(new Highlight(
                e.getX(), e.getY(),
                (float) pixels.x, (float) pixels.y,
                dataSetIndex, set.getAxisDependency()));
    }

    return highlights;
}

项目：MPAndroidChart 文件：DataSetTest.java

@Test
public void testGetEntryForXValue() {

    List<Entry> entries = new ArrayList<Entry>();
    entries.add(new Entry(10, 10));
    entries.add(new Entry(15, 5));
    entries.add(new Entry(21, 5));

    ScatterDataSet set = new ScatterDataSet(entries, "");

    Entry closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(15, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(14, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(10, closest.getX(), 0.01f);
    assertEquals(10, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(21, Float.NaN, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(21, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
}

项目：MPAndroidChart 文件：DrawChartActivity.java

/** callback when a DataSet has been drawn (when lifting the finger) */
@Override
public void onDrawFinished(DataSet<?> dataSet) {
    Log.i(Chart.LOG_TAG, "DataSet drawn. " + dataSet.toSimpleString());

    // prepare the legend again
    mChart.getLegendRenderer().computeLegend(mChart.getData());
}

项目：braingames 文件：PieChart.java

/**
 * Returns the index of the DataSet this x-index belongs to.
 * 
 * @param xIndex
 * @return
 */
public int getDataSetIndexForIndex(int xIndex) {

    ArrayList<? extends DataSet<? extends Entry>> dataSets = mData.getDataSets();

    for (int i = 0; i < dataSets.size(); i++) {
        if (dataSets.get(i).getEntryForXIndex(xIndex) != null)
            return i;
    }

    return -1;
}

项目：braingames 文件：Chart.java

/**
 * returns the average value for a specific DataSet (with a specific label)
 * in the chart
 * 
 * @param dataSetLabel
 * @return
 */
public float getAverage(String dataSetLabel) {

    DataSet<? extends Entry> ds = mData.getDataSetByLabel(dataSetLabel, true);

    return ds.getYValueSum()
            / ds.getEntryCount();
}