Examples with GradientColor com.vaadin.addon.charts.model.style.GradientColor used on opensource projects

Example 21 with GradientColor

use of com.vaadin.addon.charts.model.style.GradientColor in project charts by vaadin.

the class ChartTypes method chartTypesBubbleSnippet1.

public void chartTypesBubbleSnippet1() {
    // Create a bubble chart
    Chart chart = new Chart(ChartType.BUBBLE);
    chart.setWidth("640px");
    chart.setHeight("350px");
    // Modify the default configuration a bit
    Configuration conf = chart.getConfiguration();
    conf.setTitle("Champagne Consumption by Country");
    // Disable legend
    conf.getLegend().setEnabled(false);
    conf.getTooltip().setFormatter("this.point.name + ': ' + " + "Math.round(100*(this.point.z * this.point.z))/100.0 + " + "' M bottles'");
    // World map as background
    String url = VaadinServlet.getCurrent().getServletContext().getContextPath() + "/VAADIN/themes/mytheme/img/map.png";
    conf.getChart().setPlotBackgroundImage(url);
    // Show more bubbly bubbles with spherical color gradient
    PlotOptionsBubble plotOptions = new PlotOptionsBubble();
    Marker marker = new Marker();
    GradientColor color = GradientColor.createRadial(0.4, 0.3, 0.7);
    color.addColorStop(0.0, new SolidColor(255, 255, 255, 0.5));
    color.addColorStop(1.0, new SolidColor(170, 70, 67, 0.5));
    marker.setFillColor(color);
    plotOptions.setMarker(marker);
    conf.setPlotOptions(plotOptions);
    // Source: CIVC - Les expeditions de vins de Champagne en 2011
    DataSeries series = new DataSeries("Countries");
    Object[][] data = { { "France", 181.6 }, { "United Kingdom", 34.53 }, { "United States", 19.37 } };
    for (Object[] country : data) {
        String name = (String) country[0];
        double amount = (Double) country[1];
        Coordinate pos = new Coordinate();
        DataSeriesItem3d item = new DataSeriesItem3d();
        item.setX(pos.longitude * Math.cos(pos.latitude / 2.0 * (Math.PI / 160)));
        item.setY(pos.latitude * 1.2);
        item.setZ(Math.sqrt(amount));
        item.setName(name);
        series.add(item);
    }
    conf.addSeries(series);
    // Set the category labels on the axis correspondingly
    XAxis xaxis = new XAxis();
    xaxis.setExtremes(-180, 180);
    conf.addxAxis(xaxis);
    // Set the Y axis title
    YAxis yaxis = new YAxis();
    yaxis.setExtremes(-90, 90);
    conf.addyAxis(yaxis);
}

Example 22 with GradientColor

use of com.vaadin.addon.charts.model.style.GradientColor in project charts by vaadin.

the class ChartOptionsJSONSerializationTest method toJSON_itemWithRadialGradientColor_RadialGradientSerialized.

@Test
public void toJSON_itemWithRadialGradientColor_RadialGradientSerialized() {
    GradientColor color = GradientColor.createRadial(0.5, 0.3, 0.7);
    color.addColorStop(0, new SolidColor(255, 128, 0));
    color.addColorStop(1, new SolidColor(128, 64, 0));
    DataSeriesItem item = new DataSeriesItem("Foobar", 45.0);
    item.setColor(color);
    DataSeries series = new DataSeries();
    series.add(item);
    String expected = "{\"data\":[{\"name\":\"Foobar\",\"y\":45.0,\"color\":{\"stops\":[[0.0,\"#FF8000\"],[1.0,\"#804000\"]],\"radialGradient\":{\"cx\":0.5,\"cy\":0.3,\"r\":0.7}}}]}";
    assertEquals(expected, toJSON(series));
}

Example 23 with GradientColor

use of com.vaadin.addon.charts.model.style.GradientColor in project charts by vaadin.

the class ChartOptionsJSONSerializationTest method toJSON_ThemeSetWithColorStops_StopsSerialized.

@Test
public void toJSON_ThemeSetWithColorStops_StopsSerialized() {
    Theme theme = new Theme();
    GradientColor linear = GradientColor.createLinear(1, 2, 3, 4);
    linear.addColorStop(5, SolidColor.BLUE);
    theme.setColors(linear);
    options.setTheme(theme);
    String expected = String.format(ThemeWithLinearGradientAndStopsFormat, 1, 2, 3, 4, 5, SolidColor.BLUE.toString());
    assertEquals(expected, toJSON(options));
}

Example 24 with GradientColor

use of com.vaadin.addon.charts.model.style.GradientColor in project charts by vaadin.

the class ThemeGradientColorBeanSerializer method serialize.

@Override
public void serialize(Object bean, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    // linearGradient: [0, 0, 250, 500],
    // stops: [
    // [0, 'rgb(48, 96, 48)'],
    // [1, 'rgb(0, 0, 0)']
    // ]
    GradientColor value = (GradientColor) bean;
    jgen.writeStartObject();
    if (value.getLinearGradient() != null) {
        ArrayNode array = JsonNodeFactory.instance.arrayNode();
        GradientColor.LinearGradient linearGradient = value.getLinearGradient();
        array.addPOJO(linearGradient.getX1());
        array.addPOJO(linearGradient.getY1());
        array.addPOJO(linearGradient.getX2());
        array.addPOJO(linearGradient.getY2());
        jgen.writeObjectField("linearGradient", array);
    } else {
        GradientColor.RadialGradient radialGradient = value.getRadialGradient();
        ArrayNode array = JsonNodeFactory.instance.arrayNode();
        array.addPOJO(radialGradient.getCx());
        array.addPOJO(radialGradient.getCy());
        array.addPOJO(radialGradient.getR());
        jgen.writeObjectField("radialGradient", array);
    }
    serializeFields(bean, jgen, provider);
    jgen.writeEndObject();
}

Example 25 with GradientColor

use of com.vaadin.addon.charts.model.style.GradientColor in project charts by vaadin.

the class ChartDesignReaderTest method readConfiguration_chartHasLinearGradientBackgroundColor_theLinearGradientIsDefinedInConfiguration.

@Test
public void readConfiguration_chartHasLinearGradientBackgroundColor_theLinearGradientIsDefinedInConfiguration() {
    Elements elements = createElements("<chart><background-color><linear-gradient x1=\"0\" y1=\"0\" x2=\"1\" y2=\"1\"></linear-gradient>" + "<stops position=\"0\" color=\"white\"></stops>" + "<stops position=\"1\" color=\"black\"></stops></background-color></chart>");
    Configuration configuration = new Configuration();
    ChartDesignReader.readConfigurationFromElements(elements, configuration);
    assertThat(configuration.getChart().getBackgroundColor(), instanceOf(GradientColor.class));
    GradientColor backgroundColor = (GradientColor) configuration.getChart().getBackgroundColor();
    assertNotNull(backgroundColor.getLinearGradient());
}