Examples with ListDataProvider com.vaadin.data.provider.ListDataProvider used on opensource projects

Example 6 with ListDataProvider

use of com.vaadin.data.provider.ListDataProvider in project charts by vaadin.

the class GettingStarted method addColumnsSnippet3.

public Chart addColumnsSnippet3(ChartsData data) {
    Chart chart = new Chart();
    Configuration conf = chart.getConfiguration();
    conf.setTitle("Turku, Finland 2013");
    conf.getChart().setType(ChartType.LINE);
    ListDataProvider<WeatherInfo> dataProvider = new ListDataProvider<>(data.getWeatherData());
    DataProviderSeries<WeatherInfo> temp = new DataProviderSeries<>(dataProvider);
    temp.setName("Temperature");
    temp.setX(WeatherInfo::getInstant);
    temp.setY(WeatherInfo::getMaxTemp);
    conf.getxAxis().setTitle("Date");
    conf.getxAxis().setType(AxisType.DATETIME);
    conf.getyAxis().setTitle("Temperature (°C)");
    DataProviderSeries<WeatherInfo> humidity = new DataProviderSeries<>(dataProvider);
    humidity.setName("Humidity");
    humidity.setX(WeatherInfo::getInstant);
    humidity.setY(WeatherInfo::getMeanHumidity);
    humidity.setPlotOptions(new PlotOptionsColumn());
    conf.addSeries(humidity);
    conf.addSeries(temp);
    YAxis humidityYAxis = new YAxis();
    humidityYAxis.setTitle("Humidity (%)");
    humidityYAxis.setMin(0);
    humidityYAxis.setOpposite(true);
    conf.addyAxis(humidityYAxis);
    humidity.setyAxis(humidityYAxis);
    return chart;
}

Example 7 with ListDataProvider

use of com.vaadin.data.provider.ListDataProvider in project charts by vaadin.

the class ChartDataSeriesJSONSerializationTest method serialize_Instant_ToHigcharts.

@Test
public void serialize_Instant_ToHigcharts() {
    LocalDateTime dateTime = LocalDateTime.now();
    Collection<TestInstantItem> col = new ArrayList<>();
    Instant instant = dateTime.toInstant(ZoneOffset.UTC);
    col.add(new TestInstantItem(instant, 80));
    DataProvider<TestInstantItem, ?> DataProvider = new ListDataProvider<>(col);
    DataProviderSeries<TestInstantItem> chartDataSeries = new DataProviderSeries<>(DataProvider);
    chartDataSeries.setX(TestInstantItem::getDate);
    chartDataSeries.setY(TestInstantItem::getValue);
    String expected = "{\"data\":[[" + instant.toEpochMilli() + ",80]]}";
    assertEquals(expected, toJSON(chartDataSeries));
}

Example 8 with ListDataProvider

use of com.vaadin.data.provider.ListDataProvider in project charts by vaadin.

the class ChartDataSeriesJSONSerializationTest method serialize_ContainerWithSeriesPlotOptions_PlotTypeNotSerialized.

@Test
public void serialize_ContainerWithSeriesPlotOptions_PlotTypeNotSerialized() {
    PlotOptionsSeries plotOptions = new PlotOptionsSeries();
    plotOptions.setShowInLegend(true);
    final Pair<ListDataProvider<TestItem>, DataProviderSeries<TestItem>> pair = createTuple();
    final DataProviderSeries<TestItem> dataProviderSeries = pair.getT2();
    dataProviderSeries.setY(TestItem::getY);
    dataProviderSeries.setPlotOptions(plotOptions);
    Configuration config = new Configuration();
    config.addSeries(dataProviderSeries);
    String actual = toJSON(dataProviderSeries);
    String expected = "{\"showInLegend\":true,\"data\":[]}";
    assertEquals(expected, actual);
}

Example 9 with ListDataProvider

use of com.vaadin.data.provider.ListDataProvider in project charts by vaadin.

the class ChartDataSeriesJSONSerializationTest method serialize_ContainerWithNonUTCDate_DateSerializedAsUTC.

@Test
public void serialize_ContainerWithNonUTCDate_DateSerializedAsUTC() {
    final ZonedDateTime nowUTC = ZonedDateTime.of(2010, 10, 10, 10, 39, 00, 00, ZoneId.of("UTC"));
    final ZonedDateTime nowEuropeParis = ZonedDateTime.of(2010, 10, 10, 10, 39, 00, 00, ZoneId.of("Europe/Paris"));
    final Collection<TestDateItem> colEurope = singletonList(new TestDateItem(nowEuropeParis, 80));
    final DataProvider<TestDateItem, ?> dataProviderEurope = new ListDataProvider<>(colEurope);
    final DataProviderSeries<TestDateItem> chartDataSeriesEurope = new DataProviderSeries<>(dataProviderEurope);
    chartDataSeriesEurope.setX(TestDateItem::getDate);
    chartDataSeriesEurope.setY(TestDateItem::getValue);
    final Collection<TestDateItem> colUTC = singletonList(new TestDateItem(nowUTC, 80));
    final DataProvider<TestDateItem, ?> dataProviderUTC = new ListDataProvider<>(colUTC);
    final DataProviderSeries<TestDateItem> chartDataSeriesUTC = new DataProviderSeries<>(dataProviderUTC);
    chartDataSeriesUTC.setX(TestDateItem::getDate);
    chartDataSeriesUTC.setY(TestDateItem::getValue);
    final String actualEurope = toJSON(chartDataSeriesEurope);
    final String actualUTC = toJSON(chartDataSeriesUTC);
    // not loosing TimeZone
    assertNotEquals(actualUTC, actualEurope);
}

Example 10 with ListDataProvider

use of com.vaadin.data.provider.ListDataProvider in project charts by vaadin.

the class ChartDataSeriesJSONSerializationTest method serialize_ContainerWithLinePlotOptions_PlotOptionsAndTypeSerialized.

@Test
public void serialize_ContainerWithLinePlotOptions_PlotOptionsAndTypeSerialized() {
    PlotOptionsLine plotOptions = new PlotOptionsLine();
    plotOptions.setShowInLegend(true);
    final Pair<ListDataProvider<TestItem>, DataProviderSeries<TestItem>> pair = createTuple();
    final DataProviderSeries<TestItem> dataProviderSeries = pair.getT2();
    dataProviderSeries.setY(TestItem::getY);
    dataProviderSeries.setPlotOptions(plotOptions);
    Configuration config = new Configuration();
    config.addSeries(dataProviderSeries);
    String actual = toJSON(dataProviderSeries);
    String expected = "{\"type\":\"line\",\"showInLegend\":true,\"data\":[]}";
    assertEquals(expected, actual);
}