private void init(Context context, AttributeSet attrs, int defStyle) {
PixelUtils.init(getContext());
layoutManager = new LayoutManager();
titleWidget =
new TextLabelWidget(
layoutManager,
new Size(25, SizeLayoutType.ABSOLUTE, 100, SizeLayoutType.ABSOLUTE),
TextOrientationType.HORIZONTAL);
titleWidget.position(
0,
XLayoutStyle.RELATIVE_TO_CENTER,
0,
YLayoutStyle.ABSOLUTE_FROM_TOP,
AnchorPosition.TOP_MIDDLE);
// initialize attr defaults:
titleWidget.getLabelPaint().setTextSize(PixelUtils.spToPix(DEFAULT_TITLE_WIDGET_TEXT_SIZE_SP));
onPreInit();
// make sure the title widget is always the topmost widget:
layoutManager.moveToTop(titleWidget);
if (context != null && attrs != null) {
loadAttrs(attrs, defStyle);
}
layoutManager.onPostInit();
if (renderMode == RenderMode.USE_BACKGROUND_THREAD) {
renderThread =
new Thread(
new Runnable() {
@Override
public void run() {
keepRunning = true;
while (keepRunning) {
isIdle = false;
synchronized (pingPong) {
Canvas c = pingPong.getCanvas();
renderOnCanvas(c);
pingPong.swap();
}
synchronized (renderSynch) {
postInvalidate();
// prevent this thread from becoming an orphan
// after the view is destroyed
if (keepRunning) {
try {
renderSynch.wait();
} catch (InterruptedException e) {
keepRunning = false;
}
}
}
}
}
});
}
}
private void onPlotClicked(PointF point) {
// make sure the point lies within the graph area. we use gridrect
// because it accounts for margins and padding as well.
if (plot.containsPoint(point.x, point.y)) {
Number x = plot.getXVal(point);
Number y = plot.getYVal(point);
selection = null;
double xDistance = 0;
double yDistance = 0;
// find the closest value to the selection:
for (SeriesBundle<XYSeries, ? extends XYSeriesFormatter> sfPair :
plot.getRegistry().getSeriesAndFormatterList()) {
XYSeries series = sfPair.getSeries();
for (int i = 0; i < series.size(); i++) {
Number thisX = series.getX(i);
Number thisY = series.getY(i);
if (thisX != null && thisY != null) {
double thisXDistance = Region.measure(x, thisX).doubleValue();
double thisYDistance = Region.measure(y, thisY).doubleValue();
if (selection == null) {
selection = new Pair<>(i, series);
xDistance = thisXDistance;
yDistance = thisYDistance;
} else if (thisXDistance < xDistance) {
selection = new Pair<>(i, series);
xDistance = thisXDistance;
yDistance = thisYDistance;
} else if (thisXDistance == xDistance
&& thisYDistance < yDistance
&& thisY.doubleValue() >= y.doubleValue()) {
selection = new Pair<>(i, series);
xDistance = thisXDistance;
yDistance = thisYDistance;
}
}
}
}
} else {
// if the press was outside the graph area, deselect:
selection = null;
}
if (selection == null) {
selectionWidget.setText(NO_SELECTION_TXT);
} else {
selectionWidget.setText(
"Selected: "
+ selection.second.getTitle()
+ " Value: "
+ selection.second.getY(selection.first));
}
plot.redraw();
}
/** @param title The title to display on this Plot. */
public void setTitle(String title) {
titleWidget.setText(title);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.bar_plot_example);
// initialize our XYPlot reference:
plot = (XYPlot) findViewById(R.id.plot);
formatter1 = new MyBarFormatter(Color.rgb(100, 150, 100), Color.LTGRAY);
formatter1.setMarginLeft(PixelUtils.dpToPix(1));
formatter1.setMarginRight(PixelUtils.dpToPix(1));
formatter2 = new MyBarFormatter(Color.rgb(100, 100, 150), Color.LTGRAY);
formatter2.setMarginLeft(PixelUtils.dpToPix(1));
formatter2.setMarginRight(PixelUtils.dpToPix(1));
selectionFormatter = new MyBarFormatter(Color.YELLOW, Color.WHITE);
selectionWidget =
new TextLabelWidget(
plot.getLayoutManager(),
NO_SELECTION_TXT,
new Size(
PixelUtils.dpToPix(100), SizeMode.ABSOLUTE,
PixelUtils.dpToPix(100), SizeMode.ABSOLUTE),
TextOrientation.HORIZONTAL);
selectionWidget.getLabelPaint().setTextSize(PixelUtils.dpToPix(16));
// add a dark, semi-transparent background to the selection label widget:
Paint p = new Paint();
p.setARGB(100, 0, 0, 0);
selectionWidget.setBackgroundPaint(p);
selectionWidget.position(
0,
HorizontalPositioning.RELATIVE_TO_CENTER,
PixelUtils.dpToPix(45),
VerticalPositioning.ABSOLUTE_FROM_TOP,
Anchor.TOP_MIDDLE);
selectionWidget.pack();
// reduce the number of range labels
plot.setLinesPerRangeLabel(3);
plot.setRangeLowerBoundary(0, BoundaryMode.FIXED);
plot.setLinesPerDomainLabel(2);
// setup checkbox listers:
series1CheckBox = (CheckBox) findViewById(R.id.s1CheckBox);
series1CheckBox.setOnCheckedChangeListener(
new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
onS1CheckBoxClicked(b);
}
});
series2CheckBox = (CheckBox) findViewById(R.id.s2CheckBox);
series2CheckBox.setOnCheckedChangeListener(
new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
onS2CheckBoxClicked(b);
}
});
plot.setOnTouchListener(
new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
onPlotClicked(new PointF(motionEvent.getX(), motionEvent.getY()));
}
return true;
}
});
spRenderStyle = (Spinner) findViewById(R.id.spRenderStyle);
ArrayAdapter<BarRenderer.BarOrientation> adapter =
new ArrayAdapter<BarRenderer.BarOrientation>(
this, android.R.layout.simple_spinner_item, BarRenderer.BarOrientation.values());
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spRenderStyle.setAdapter(adapter);
spRenderStyle.setSelection(BarRenderer.BarOrientation.OVERLAID.ordinal());
spRenderStyle.setOnItemSelectedListener(
new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
updatePlot();
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {}
});
spWidthStyle = (Spinner) findViewById(R.id.spWidthStyle);
ArrayAdapter<BarRenderer.BarGroupWidthMode> adapter1 =
new ArrayAdapter<BarRenderer.BarGroupWidthMode>(
this, android.R.layout.simple_spinner_item, BarRenderer.BarGroupWidthMode.values());
adapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spWidthStyle.setAdapter(adapter1);
spWidthStyle.setSelection(BarRenderer.BarGroupWidthMode.FIXED_WIDTH.ordinal());
spWidthStyle.setOnItemSelectedListener(
new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
if (BarRenderer.BarGroupWidthMode.FIXED_WIDTH.equals(spWidthStyle.getSelectedItem())) {
sbFixedWidth.setVisibility(View.VISIBLE);
sbVariableWidth.setVisibility(View.INVISIBLE);
} else {
sbFixedWidth.setVisibility(View.INVISIBLE);
sbVariableWidth.setVisibility(View.VISIBLE);
}
updatePlot();
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {}
});
spSeriesSize = (Spinner) findViewById(R.id.spSeriesSize);
ArrayAdapter<SeriesSize> adapter11 =
new ArrayAdapter<SeriesSize>(
this, android.R.layout.simple_spinner_item, SeriesSize.values());
adapter11.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spSeriesSize.setAdapter(adapter11);
spSeriesSize.setSelection(SeriesSize.TEN.ordinal());
spSeriesSize.setOnItemSelectedListener(
new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
final SeriesSize selectedSize = (SeriesSize) arg0.getSelectedItem();
switch (selectedSize) {
case TEN:
series1Numbers = series1Numbers10;
series2Numbers = series2Numbers10;
break;
case TWENTY:
series1Numbers = series1Numbers20;
series2Numbers = series2Numbers20;
break;
case SIXTY:
series1Numbers = series1Numbers60;
series2Numbers = series2Numbers60;
break;
default:
break;
}
updatePlot(selectedSize);
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {}
});
sbFixedWidth = (SeekBar) findViewById(R.id.sbFixed);
sbFixedWidth.setProgress(50);
sbFixedWidth.setOnSeekBarChangeListener(
new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
updatePlot();
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {}
});
sbVariableWidth = (SeekBar) findViewById(R.id.sbVariable);
sbVariableWidth.setProgress(1);
sbVariableWidth.setVisibility(View.INVISIBLE);
sbVariableWidth.setOnSeekBarChangeListener(
new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
updatePlot();
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {}
});
plot.getGraph()
.getLineLabelStyle(XYGraphWidget.Edge.BOTTOM)
.setFormat(
new NumberFormat() {
@Override
public StringBuffer format(double value, StringBuffer buffer, FieldPosition field) {
int year = (int) (value + 0.5d) / 12;
int month = (int) ((value + 0.5d) % 12);
return new StringBuffer(
DateFormatSymbols.getInstance().getShortMonths()[month] + " '0" + year);
}
@Override
public StringBuffer format(long value, StringBuffer buffer, FieldPosition field) {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public Number parse(String string, ParsePosition position) {
throw new UnsupportedOperationException("Not yet implemented.");
}
});
updatePlot();
}