private Chart createChart(int points) {
Chart chart = new Chart(ChartType.SCATTER);
Configuration conf = chart.getConfiguration();
conf.getChart().setZoomType(ZoomType.XY);
conf.disableCredits();
conf.setTitle("Height vs Weight");
conf.setSubTitle("Polygon series in Vaadin Charts.");
Tooltip tooltip = conf.getTooltip();
tooltip.setHeaderFormat("{series.name}");
tooltip.setPointFormat("{point.x} cm, {point.y} kg");
XAxis xAxis = conf.getxAxis();
xAxis.setStartOnTick(true);
xAxis.setEndOnTick(true);
xAxis.setShowLastLabel(true);
xAxis.setTitle("Height (cm)");
YAxis yAxis = conf.getyAxis();
yAxis.setTitle("Weight (kg)");
AbstractLinePlotOptions plotOptions = new PlotOptionsScatter();
plotOptions.setThreshold(0);
DataSeries scatter = new DataSeries();
scatter.setPlotOptions(plotOptions);
scatter.setName("Observations");
fillScatter(scatter, points);
conf.addSeries(scatter);
return chart;
}
private void zoomTo(ZoomCoordinates zoom) {
XAxis xAxis = chart.getConfiguration().getxAxis();
YAxis yAxis = chart.getConfiguration().getyAxis();
xAxis.setExtremes(zoom.xMin, zoom.xMax);
yAxis.setExtremes(zoom.yMin, zoom.yMax);
System.out.println("Setting zooms: " + zoom.xMin + " - " + zoom.xMax);
}
/**
* Sets the y axis to linear or logarithmic.
*
* @param isLog true for log scale; false otherwise
*/
public void setYLog(boolean isLog) {
ylog = isLog; // Added by Paco
if (isLog) {
yaxis.setAxisType(XYAxis.LOG10);
} else {
yaxis.setAxisType(XYAxis.LINEAR);
}
}
/**
* Draws the axes in the drawing panel.
*
* @param panel
* @param g
*/
public void draw(DrawingPanel panel, Graphics g) {
if (!visible) {
return;
}
if (interiorColor != null) {
g.setColor(interiorColor);
int gw = panel.getLeftGutter() + panel.getRightGutter();
int gh = panel.getTopGutter() + panel.getBottomGutter();
g.fillRect(
panel.getLeftGutter(),
panel.getTopGutter(),
panel.getWidth() - gw,
panel.getHeight() - gh);
g.setColor(Color.lightGray);
g.drawRect(
panel.getLeftGutter(),
panel.getTopGutter(),
panel.getWidth() - gw,
panel.getHeight() - gh);
}
xaxis.draw(panel, g);
yaxis.draw(panel, g);
titleLine.setX((panel.getXMax() + panel.getXMin()) / 2);
if (panel.getTopGutter() > 20) {
titleLine.setY(panel.getYMax() + 5 / panel.getYPixPerUnit());
} else {
titleLine.setY(panel.getYMax() - 25 / panel.getYPixPerUnit());
}
titleLine.draw(panel, g);
}
@Test
public void testPlotBandsWarning0() throws Exception {
InterfaceLimit limit = new InterfaceLimit();
limit.setWarning(0);
limit.setCritical(50);
ChartManager.setPlotBand(chart, limit);
assertPlots(yAxis.getPlotBands(), 0, 0, 50, Integer.MAX_VALUE);
}
public Interactive findInteractive(DrawingPanel panel, int xpix, int ypix) {
if (!visible) {
return null;
}
if (xaxis.findInteractive(panel, xpix, ypix) != null) {
return xaxis;
} else if (yaxis.findInteractive(panel, xpix, ypix) != null) {
return yaxis;
} else {
return null;
}
}
/**
* Constructs the XYAxes inside the drawing panel.
*
* <p>Drawing panel gutters are set to 30, 30, 30, 30.
*
* @param panel the drawing panel that will use the axes
*/
public CartesianType3(PlottingPanel panel) {
super(panel);
defaultLeftGutter = 30;
defaultTopGutter = 30;
defaultRightGutter = 30;
defaultBottomGutter = 30;
titleLine.setJustification(TextLine.CENTER);
titleLine.setFont(titleFont);
xaxis = new XAxis();
yaxis = new YAxis();
xaxis.setEnabled(true); // enable dragging
xaxis.setLocationType(XYAxis.DRAW_AT_LOCATION);
yaxis.setEnabled(true);
yaxis.setLocationType(XYAxis.DRAW_AT_LOCATION);
if (panel == null) {
return;
}
panel.setCoordinateStringBuilder(CoordinateStringBuilder.createCartesian());
panel.setPreferredGutters(
defaultLeftGutter, defaultTopGutter, defaultRightGutter, defaultBottomGutter);
panel.setAxes(this);
}
@Test
public void testArithmeticType() throws Exception {
ChartManager.setLogarithmic(chart, false);
assertNull(yAxis.getType());
}
@Test
public void testLogarithmicType() throws Exception {
ChartManager.setLogarithmic(chart, true);
assertEquals(AxisType.LOGARITHMIC, yAxis.getType());
}
@Test
public void testPlotBandsNull() throws Exception {
ChartManager.setPlotBand(chart, null);
assertPlots(yAxis.getPlotBands(), 0);
}
@Test
public void testLogarithmicMin() throws Exception {
ChartManager.setLogarithmic(chart, true);
assertNull(yAxis.getMin());
}
public void setX(double x) {
yaxis.setLocation(x); // Added by Paco
}
public void setXY(double x, double y) {
xaxis.setLocation(y); // Added by Paco
yaxis.setLocation(x); // Added by Paco
}
public void centerAxes(DrawingPanel panel) {
xaxis.setLocation((panel.getYMax() + panel.getYMin()) / 2);
yaxis.setLocation((panel.getXMax() + panel.getXMin()) / 2);
}
/** Shows a grid line for every y axis major tickmark. */
public void setShowMajorYGrid(boolean showGrid) {
yaxis.setShowMajorGrid(showGrid);
if (!showGrid) {
setShowMinorYGrid(showGrid);
}
}
@Test
public void testLogarithmicMinorTickInterval() throws Exception {
ChartManager.setLogarithmic(chart, true);
assertEquals(0.1, yAxis.getMinorTickInterval());
}
@Test
public void testArithmeticMinorTickInterval() throws Exception {
ChartManager.setLogarithmic(chart, false);
assertNull(yAxis.getMinorTickInterval());
}
/**
* Sets the y label of the axes. The font names understood are those understood by
* java.awt.Font.decode(). If the font name is null, the font remains unchanged.
*
* @param s the title
* @param font_name an optional font name
*/
public void setYLabel(String s, String font_name) {
yaxis.setTitle(s, font_name);
}
@Test
public void testArithmeticMin() throws Exception {
ChartManager.setLogarithmic(chart, false);
assertEquals(0, yAxis.getMin());
}
protected Component getChart() {
final Chart chart = new Chart();
chart.setWidth("500px");
final Configuration configuration = new Configuration();
configuration.getChart().setType(ChartType.GAUGE);
configuration.getChart().setAlignTicks(false);
configuration.getChart().setPlotBackgroundColor(null);
configuration.getChart().setPlotBackgroundImage(null);
configuration.getChart().setPlotBorderWidth(0);
configuration.getChart().setPlotShadow(false);
configuration.setTitle("Temperature");
configuration.getPane().setStartAngle(-150);
configuration.getPane().setEndAngle(150);
YAxis yAxis = new YAxis();
yAxis.setMin(-30);
yAxis.setMax(50);
yAxis.setLineColor(new SolidColor("#339"));
yAxis.setTickColor(new SolidColor("#339"));
yAxis.setMinorTickColor(new SolidColor("#339"));
yAxis.setOffset(-25);
yAxis.setLineWidth(2);
yAxis.setLabels(new Labels());
yAxis.getLabels().setDistance(-20);
yAxis.getLabels().setRotationPerpendicular();
yAxis.setTickLength(5);
yAxis.setMinorTickLength(5);
yAxis.setEndOnTick(false);
configuration.addyAxis(yAxis);
final ListSeries series = new ListSeries("Temperature", 12);
PlotOptionsGauge plotOptionsGauge = new PlotOptionsGauge();
plotOptionsGauge.setDataLabels(new Labels());
plotOptionsGauge.getDataLabels().setFormatter("function() {return '' + this.y + ' °C';}");
GradientColor gradient = GradientColor.createLinear(0, 0, 0, 1);
gradient.addColorStop(0, new SolidColor("#DDD"));
gradient.addColorStop(1, new SolidColor("#FFF"));
plotOptionsGauge.getDataLabels().setBackgroundColor(gradient);
plotOptionsGauge.getTooltip().setValueSuffix(" °C");
series.setPlotOptions(plotOptionsGauge);
configuration.setSeries(series);
chart.drawChart(configuration);
return chart;
}