Java IDataSet.isHighlightEnabled方法代码示例

import com.github.mikephil.charting.interfaces.datasets.IDataSet; //导入方法依赖的package包/类
/**
 * Returns true if highlighting of all underlying values is enabled, false
 * if not.
 *
 * @return
 */
public boolean isHighlightEnabled() {
    for (IDataSet set : mDataSets) {
        if (!set.isHighlightEnabled())
            return false;
    }
    return true;
}
 

import com.github.mikephil.charting.interfaces.datasets.IDataSet; //导入方法依赖的package包/类
/**
 * Returns a list of SelectionDetail object corresponding to the given xIndex.
 *
 * @param xIndex
 * @return
 */
@Override
protected List<SelectionDetail> getSelectionDetailsAtIndex(int xIndex, int dataSetIndex) {

    List<SelectionDetail> vals = new ArrayList<SelectionDetail>();
    float[] pts = new float[2];

    CombinedData data = (CombinedData) mChart.getData();

    // get all chartdata objects
    List<ChartData> dataObjects = data.getAllData();

    for (int i = 0; i < dataObjects.size(); i++) {

        for(int j = 0; j < dataObjects.get(i).getDataSetCount(); j++) {

            IDataSet dataSet = dataObjects.get(i).getDataSetByIndex(j);

            // dont include datasets that cannot be highlighted
            if (!dataSet.isHighlightEnabled())
                continue;

            // extract all y-values from all DataSets at the given x-index
            final float yVals[] = dataSet.getYValsForXIndex(xIndex);
            for (float yVal : yVals) {
                pts[1] = yVal;

                mChart.getTransformer(dataSet.getAxisDependency()).pointValuesToPixel(pts);

                if (!Float.isNaN(pts[1])) {
                    vals.add(new SelectionDetail(pts[1], yVal, i, j, dataSet));
                }
            }
        }
    }

    return vals;
}
 

import com.github.mikephil.charting.interfaces.datasets.IDataSet; //导入方法依赖的package包/类
/**
 * Returns a list of Highlight objects representing the entries closest to the given xVal.
 * The returned list contains two objects per DataSet (closest rounding up, closest rounding down).
 *
 * @param xVal the transformed x-value of the x-touch position
 * @param x    touch position
 * @param y    touch position
 * @return
 */
protected List<Highlight> getHighlightsAtXValue(float xVal, float x, float y) {

    mHighlightBuffer.clear();

    BarLineScatterCandleBubbleData data = getData();

    if (data == null)
        return mHighlightBuffer;

    for (int i = 0, dataSetCount = data.getDataSetCount(); i < dataSetCount; i++) {

        IDataSet dataSet = data.getDataSetByIndex(i);

        // don't include DataSets that cannot be highlighted
        if (!dataSet.isHighlightEnabled())
            continue;

        mHighlightBuffer.addAll(buildHighlights(dataSet, i, xVal, DataSet.Rounding.CLOSEST));
    }

    return mHighlightBuffer;
}
 

import com.github.mikephil.charting.interfaces.datasets.IDataSet; //导入方法依赖的package包/类
/**
 * Returns a list of SelectionDetail object corresponding to the given xIndex.
 *
 * @param xIndex
 * @param dataSetIndex dataSet index to look at. -1 if unspecified.
 * @return
 */
protected List<SelectionDetail> getSelectionDetailsAtIndex(int xIndex, int dataSetIndex) {

	List<SelectionDetail> vals = new ArrayList<SelectionDetail>();

	if (mChart.getData() == null) return vals;

	float[] pts = new float[2];

	for (int i = 0, dataSetCount = mChart.getData().getDataSetCount();
		 i < dataSetCount;
		 i++) {

		if (dataSetIndex > -1 && dataSetIndex != i)
			continue;

		IDataSet dataSet = mChart.getData().getDataSetByIndex(i);

		// dont include datasets that cannot be highlighted
		if (!dataSet.isHighlightEnabled())
			continue;

		// extract all y-values from all DataSets at the given x-index
		final float[] yVals = dataSet.getYValsForXIndex(xIndex);
		for (float yVal : yVals) {
			if (Float.isNaN(yVal))
				continue;

			pts[1] = yVal;

			mChart.getTransformer(dataSet.getAxisDependency()).pointValuesToPixel(pts);

			if (!Float.isNaN(pts[1]))
			{
				vals.add(new SelectionDetail(pts[1], yVal, i, dataSet));
			}
		}
	}

	return vals;
}
 

import com.github.mikephil.charting.interfaces.datasets.IDataSet; //导入方法依赖的package包/类
@Override
    protected List<Highlight> getHighlightsAtXPos(float xVal, float x, float y) {

        mHighlightBuffer.clear();

        List<BarLineScatterCandleBubbleData> dataObjects = mChart.getCombinedData().getAllData();

        for (int i = 0; i < dataObjects.size(); i++) {

            ChartData dataObject = dataObjects.get(i);

            // in case of BarData, let the BarHighlighter take over
            if (barHighlighter != null && dataObject instanceof BarData) {
                Highlight high = barHighlighter.getHighlight(x, y);

                if (high != null) {
                    high.setDataIndex(i);
                    mHighlightBuffer.add(high);
                }
            } else {

                for (int j = 0, dataSetCount = dataObject.getDataSetCount(); j < dataSetCount; j++) {

                    IDataSet dataSet = dataObjects.get(i).getDataSetByIndex(j);

                    // don't include datasets that cannot be highlighted
                    if (!dataSet.isHighlightEnabled())
                        continue;

                    Highlight s1 = buildHighlight(dataSet, j, xVal, DataSet.Rounding.CLOSEST);
                    s1.setDataIndex(i);
                    mHighlightBuffer.add(s1);

//                    Highlight s2 = buildHighlight(dataSet, j, xVal, DataSet.Rounding.DOWN);
//                    s2.setDataIndex(i);
//                    vals.add(s2);
                }
            }
        }

        return mHighlightBuffer;
    }
 

import com.github.mikephil.charting.interfaces.datasets.IDataSet; //导入方法依赖的package包/类
/**
 * Returns a list of SelectionDetail object corresponding to the given xIndex.
 *
 * @param xIndex
 * @return
 */
@Override
protected List<SelectionDetail> getSelectionDetailsAtIndex(int xIndex) {

    CombinedData data = (CombinedData) mChart.getData();

    // get all chartdata objects
    List<ChartData> dataObjects = data.getAllData();

    List<SelectionDetail> vals = new ArrayList<SelectionDetail>();

    float[] pts = new float[2];

    for (int i = 0; i < dataObjects.size(); i++) {

        for(int j = 0; j < dataObjects.get(i).getDataSetCount(); j++) {

            IDataSet dataSet = dataObjects.get(i).getDataSetByIndex(j);

            // dont include datasets that cannot be highlighted
            if (!dataSet.isHighlightEnabled())
                continue;

            // extract all y-values from all DataSets at the given x-index
            final float yVal = dataSet.getYValForXIndex(xIndex);
            if (yVal == Float.NaN)
                continue;

            pts[1] = yVal;

            mChart.getTransformer(dataSet.getAxisDependency()).pointValuesToPixel(pts);

            if (!Float.isNaN(pts[1])) {
                vals.add(new SelectionDetail(pts[1], j, dataSet));
            }
        }
    }

    return vals;
}
 

import com.github.mikephil.charting.interfaces.datasets.IDataSet; //导入方法依赖的package包/类
/**
 * Returns a list of SelectionDetail object corresponding to the given xIndex.
 * 
 * @param xIndex
 * @return
 */
protected List<SelectionDetail> getSelectionDetailsAtIndex(int xIndex) {

	List<SelectionDetail> vals = new ArrayList<SelectionDetail>();

	float[] pts = new float[2];

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

		IDataSet dataSet = mChart.getData().getDataSetByIndex(i);

		// dont include datasets that cannot be highlighted
		if (!dataSet.isHighlightEnabled())
			continue;

		// extract all y-values from all DataSets at the given x-index
		final float yVal = dataSet.getYValForXIndex(xIndex);
		if (yVal == Float.NaN)
			continue;

		pts[1] = yVal;

		mChart.getTransformer(dataSet.getAxisDependency()).pointValuesToPixel(pts);

		if (!Float.isNaN(pts[1])) {
			vals.add(new SelectionDetail(pts[1], i, dataSet));
		}
	}

	return vals;
}
 

import com.github.mikephil.charting.interfaces.datasets.IDataSet; //导入方法依赖的package包/类
/**
 * Returns a list of Highlight objects representing the entries closest to the given xVal.
 * The returned list contains two objects per DataSet (closest rounding up, closest rounding down).
 *
 * @param xVal the transformed x-value of the x-touch position
 * @param x    touch position
 * @param y    touch position
 * @return
 */
protected List<Highlight> getHighlightsAtXPos(float xVal, float x, float y) {

    mHighlightBuffer.clear();

    BarLineScatterCandleBubbleData data = getData();

    if (data == null)
        return mHighlightBuffer;

    for (int i = 0, dataSetCount = data.getDataSetCount(); i < dataSetCount; i++) {

        IDataSet dataSet = data.getDataSetByIndex(i);

        // dont include datasets that cannot be highlighted
        if (!dataSet.isHighlightEnabled())
            continue;

        Highlight high = buildHighlight(dataSet, i, xVal, DataSet.Rounding.CLOSEST);

        if(high != null)
            mHighlightBuffer.add(high);
        //vals.add(buildHighlight(dataSet, i, xVal, DataSet.Rounding.DOWN));
    }

    return mHighlightBuffer;
}