diff options
Diffstat (limited to 'app/src/main/java/foundation/e/privacycentralapp/common')
| -rw-r--r-- | app/src/main/java/foundation/e/privacycentralapp/common/GraphHolder.kt | 171 |
1 files changed, 130 insertions, 41 deletions
diff --git a/app/src/main/java/foundation/e/privacycentralapp/common/GraphHolder.kt b/app/src/main/java/foundation/e/privacycentralapp/common/GraphHolder.kt index d7a9dd0..5622806 100644 --- a/app/src/main/java/foundation/e/privacycentralapp/common/GraphHolder.kt +++ b/app/src/main/java/foundation/e/privacycentralapp/common/GraphHolder.kt @@ -29,15 +29,19 @@ import androidx.core.content.ContextCompat import androidx.core.text.toSpannable import androidx.core.view.isVisible import com.github.mikephil.charting.charts.BarChart +import com.github.mikephil.charting.components.AxisBase import com.github.mikephil.charting.components.MarkerView import com.github.mikephil.charting.components.XAxis import com.github.mikephil.charting.components.YAxis +import com.github.mikephil.charting.components.YAxis.AxisDependency import com.github.mikephil.charting.data.BarData import com.github.mikephil.charting.data.BarDataSet import com.github.mikephil.charting.data.BarEntry import com.github.mikephil.charting.data.Entry +import com.github.mikephil.charting.formatter.ValueFormatter import com.github.mikephil.charting.highlight.Highlight import com.github.mikephil.charting.listener.OnChartValueSelectedListener +import com.github.mikephil.charting.renderer.XAxisRenderer import com.github.mikephil.charting.utils.MPPointF import foundation.e.privacycentralapp.R import foundation.e.privacycentralapp.common.extensions.dpToPxF @@ -50,60 +54,145 @@ class GraphHolder(val barChart: BarChart, val context: Context, val isMarkerAbov } var labels = emptyList<String>() + var graduations: List<String?>? = null + private var isHighlighted = false init { - barChart.apply { - description = null - setTouchEnabled(true) - setScaleEnabled(false) + barChart.description = null + barChart.setTouchEnabled(true) + barChart.setScaleEnabled(false) + + barChart.setDrawGridBackground(false) + barChart.setDrawBorders(false) + barChart.axisLeft.isEnabled = false + barChart.axisRight.isEnabled = false + + barChart.legend.isEnabled = false + + if (isMarkerAbove) prepareXAxisDashboardDay() else prepareXAxisMarkersBelow() + + val periodMarker = PeriodMarkerView(context, isMarkerAbove) + periodMarker.chartView = barChart + barChart.marker = periodMarker + + barChart.setOnChartValueSelectedListener(object : OnChartValueSelectedListener { + override fun onValueSelected(e: Entry?, h: Highlight?) { + h?.let { + val index = it.x.toInt() + if (index >= 0 && + index < labels.size && + index < this@GraphHolder.data.size + ) { + val period = labels[index] + val (blocked, leaked) = this@GraphHolder.data[index] + periodMarker.setLabel(period, blocked, leaked) + } + } + isHighlighted = true + } - setDrawGridBackground(false) - setDrawBorders(false) - axisLeft.isEnabled = false - axisRight.isEnabled = false + override fun onNothingSelected() { + isHighlighted = false + } + }) + } - legend.isEnabled = false + private fun prepareXAxisDashboardDay() { + barChart.extraTopOffset = 44f - if (isMarkerAbove) { - extraTopOffset = 44f - } else { - extraBottomOffset = 44f - } + barChart.offsetTopAndBottom(0) + + barChart.setXAxisRenderer(object : XAxisRenderer(barChart.viewPortHandler, barChart.xAxis, barChart.getTransformer(AxisDependency.LEFT)) { + override fun renderAxisLine(c: Canvas) { + mAxisLinePaint.color = mXAxis.axisLineColor + mAxisLinePaint.strokeWidth = mXAxis.axisLineWidth + mAxisLinePaint.pathEffect = mXAxis.axisLineDashPathEffect + + // Top line + c.drawLine( + mViewPortHandler.contentLeft(), + mViewPortHandler.contentTop(), mViewPortHandler.contentRight(), + mViewPortHandler.contentTop(), mAxisLinePaint + ) - offsetTopAndBottom(0) - xAxis.apply { - isEnabled = true - position = XAxis.XAxisPosition.BOTH_SIDED - setDrawGridLines(false) - setDrawLabels(false) - setDrawValueAboveBar(false) + // Bottom line + c.drawLine( + mViewPortHandler.contentLeft(), + mViewPortHandler.contentBottom() - 7.dpToPxF(context), + mViewPortHandler.contentRight(), + mViewPortHandler.contentBottom() - 7.dpToPxF(context), + mAxisLinePaint + ) } - val periodMarker = PeriodMarkerView(context, isMarkerAbove) - periodMarker.chartView = this - marker = periodMarker - - setOnChartValueSelectedListener(object : OnChartValueSelectedListener { - override fun onValueSelected(e: Entry?, h: Highlight?) { - h?.let { - val index = it.x.toInt() - if (index >= 0 && - index < labels.size && - index < this@GraphHolder.data.size - ) { - val period = labels[index] - val (blocked, leaked) = this@GraphHolder.data[index] - periodMarker.setLabel(period, blocked, leaked) - } + override fun renderGridLines(c: Canvas) { + if (!mXAxis.isDrawGridLinesEnabled || !mXAxis.isEnabled) return + val clipRestoreCount = c.save() + c.clipRect(gridClippingRect) + if (mRenderGridLinesBuffer.size != mAxis.mEntryCount * 2) { + mRenderGridLinesBuffer = FloatArray(mXAxis.mEntryCount * 2) + } + val positions = mRenderGridLinesBuffer + run { + var i = 0 + while (i < positions.size) { + positions[i] = mXAxis.mEntries[i / 2] + positions[i + 1] = mXAxis.mEntries[i / 2] + i += 2 } - isHighlighted = true } - override fun onNothingSelected() { - isHighlighted = false + mTrans.pointValuesToPixel(positions) + setupGridPaint() + val gridLinePath = mRenderGridLinesPath + gridLinePath.reset() + var i = 0 + while (i < positions.size) { + val bottomY = if (graduations?.getOrNull(i / 2) != null) 0 else 3 + val x = positions[i] + gridLinePath.moveTo(x, mViewPortHandler.contentBottom() - 7.dpToPxF(context)) + gridLinePath.lineTo(x, mViewPortHandler.contentBottom() - bottomY.dpToPxF(context)) + + c.drawPath(gridLinePath, mGridPaint) + + gridLinePath.reset() + + i += 2 + } + c.restoreToCount(clipRestoreCount) + } + }) + + barChart.setDrawValueAboveBar(false) + barChart.xAxis.apply { + isEnabled = true + position = XAxis.XAxisPosition.BOTTOM + + setDrawGridLines(true) + setDrawLabels(true) + setCenterAxisLabels(false) + setLabelCount(25, true) + + valueFormatter = object : ValueFormatter() { + override fun getAxisLabel(value: Float, axis: AxisBase?): String { + return graduations?.getOrNull(value.toInt() + 1) ?: "" } - }) + } + } + } + + private fun prepareXAxisMarkersBelow() { + barChart.extraBottomOffset = 44f + + barChart.offsetTopAndBottom(0) + barChart.setDrawValueAboveBar(false) + + barChart.xAxis.apply { + isEnabled = true + position = XAxis.XAxisPosition.BOTH_SIDED + setDrawGridLines(false) + setDrawLabels(false) } } |