Fix moving chart marker

This commit is contained in:
Alexey Kulish 2017-03-16 18:20:41 +03:00
parent 158bb34e1e
commit 0761591e8d
2 changed files with 75 additions and 3 deletions

View file

@ -5,6 +5,7 @@ import android.content.DialogInterface;
import android.content.DialogInterface.OnDismissListener;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
import android.net.Uri;
@ -29,7 +30,10 @@ import android.widget.TextView;
import com.github.mikephil.charting.charts.LineChart;
import com.github.mikephil.charting.data.LineData;
import com.github.mikephil.charting.highlight.Highlight;
import com.github.mikephil.charting.interfaces.datasets.ILineDataSet;
import com.github.mikephil.charting.listener.ChartTouchListener;
import com.github.mikephil.charting.listener.OnChartGestureListener;
import net.osmand.Location;
import net.osmand.data.LatLon;
@ -232,7 +236,7 @@ public class ShowRouteInfoDialogFragment extends DialogFragment {
private void buildHeader(View headerView) {
OsmandApplication app = getMyApplication();
LineChart mChart = (LineChart) headerView.findViewById(R.id.chart);
final LineChart mChart = (LineChart) headerView.findViewById(R.id.chart);
GpxUiHelper.setupGPXChart(app, mChart, 4);
mChart.setOnTouchListener(new View.OnTouchListener() {
@Override
@ -257,6 +261,62 @@ public class ShowRouteInfoDialogFragment extends DialogFragment {
}
LineData data = new LineData(dataSets);
mChart.setData(data);
mChart.setOnChartGestureListener(new OnChartGestureListener() {
float highlightDrawX = -1;
@Override
public void onChartGestureStart(MotionEvent me, ChartTouchListener.ChartGesture lastPerformedGesture) {
if (mChart.getHighlighted() != null && mChart.getHighlighted().length > 0) {
highlightDrawX = mChart.getHighlighted()[0].getDrawX();
} else {
highlightDrawX = -1;
}
}
@Override
public void onChartGestureEnd(MotionEvent me, ChartTouchListener.ChartGesture lastPerformedGesture) {
gpxItem.chartMatrix = new Matrix(mChart.getViewPortHandler().getMatrixTouch());
Highlight[] highlights = mChart.getHighlighted();
if (highlights != null && highlights.length > 0) {
gpxItem.chartHighlightPos = highlights[0].getX();
} else {
gpxItem.chartHighlightPos = -1;
}
}
@Override
public void onChartLongPressed(MotionEvent me) {
}
@Override
public void onChartDoubleTapped(MotionEvent me) {
}
@Override
public void onChartSingleTapped(MotionEvent me) {
}
@Override
public void onChartFling(MotionEvent me1, MotionEvent me2, float velocityX, float velocityY) {
}
@Override
public void onChartScale(MotionEvent me, float scaleX, float scaleY) {
}
@Override
public void onChartTranslate(MotionEvent me, float dX, float dY) {
if (highlightDrawX != -1) {
Highlight h = mChart.getHighlightByTouchPoint(highlightDrawX, 0f);
if (h != null) {
mChart.highlightValue(h);
}
}
}
});
mChart.setVisibility(View.VISIBLE);
} else {
elevationDataSet = null;

View file

@ -284,9 +284,7 @@ public class TrackDetailsMenu {
}
}
private void refreshChart(LineChart chart, boolean forceFit) {
gpxItem.chartMatrix = new Matrix(chart.getViewPortHandler().getMatrixTouch());
Highlight[] highlights = chart.getHighlighted();
LatLon location = null;
if (highlights != null && highlights.length > 0) {
@ -321,10 +319,16 @@ public class TrackDetailsMenu {
});
chart.setOnChartGestureListener(new OnChartGestureListener() {
boolean hasTranslated = false;
float highlightDrawX = -1;
@Override
public void onChartGestureStart(MotionEvent me, ChartGesture lastPerformedGesture) {
hasTranslated = false;
if (chart.getHighlighted() != null && chart.getHighlighted().length > 0) {
highlightDrawX = chart.getHighlighted()[0].getDrawX();
} else {
highlightDrawX = -1;
}
}
@Override
@ -336,6 +340,7 @@ public class TrackDetailsMenu {
lastPerformedGesture == ChartGesture.DOUBLE_TAP ||
lastPerformedGesture == ChartGesture.ROTATE) {
gpxItem.chartMatrix = new Matrix(chart.getViewPortHandler().getMatrixTouch());
refreshChart(chart, true);
}
}
@ -363,6 +368,13 @@ public class TrackDetailsMenu {
@Override
public void onChartTranslate(MotionEvent me, float dX, float dY) {
hasTranslated = true;
if (highlightDrawX != -1) {
Highlight h = chart.getHighlightByTouchPoint(highlightDrawX, 0f);
if (h != null) {
chart.highlightValue(h);
refreshChart(chart, false);
}
}
}
});