Example usage for com.vaadin.data.provider Query Query

Introduction

In this page you can find the example usage for com.vaadin.data.provider Query Query.

Prototype

public Query() 

Source Link

Document

Constructs a Query for all rows from 0 to Integer#MAX_VALUE without sorting and filtering.

Usage

From source file:de.symeda.sormas.ui.utils.GridExportStreamResource.java

License:Open Source License

public GridExportStreamResource(Grid<?> grid, String tempFilePrefix, String filename,
        String... ignoredPropertyIds) {
    super(new StreamSource() {
        @SuppressWarnings({ "unchecked", "rawtypes" })
        @Override//from  ww w . j a va2  s.c  o m
        public InputStream getStream() {
            List<String> ignoredPropertyIdsList = Arrays.asList(ignoredPropertyIds);
            List<Column> columns = new ArrayList<>(grid.getColumns());
            columns.removeIf(c -> c.isHidden());
            columns.removeIf(c -> ignoredPropertyIdsList.contains(c.getId()));

            try (ByteArrayOutputStream byteStream = new ByteArrayOutputStream()) {
                try (CSVWriter writer = CSVUtils.createCSVWriter(
                        new OutputStreamWriter(byteStream, StandardCharsets.UTF_8.name()),
                        FacadeProvider.getConfigFacade().getCsvSeparator())) {

                    List<String> headerRow = new ArrayList<>();
                    columns.forEach(c -> {
                        headerRow.add(c.getCaption());
                    });
                    writer.writeNext(headerRow.toArray(new String[headerRow.size()]));

                    String[] rowValues = new String[columns.size()];

                    int totalRowCount = grid.getDataProvider().size(new Query());
                    for (int i = 0; i < totalRowCount; i += 100) {
                        grid.getDataProvider().fetch(new Query(i, 100, grid.getSortOrder(), null, null))
                                .forEach(row -> {
                                    for (int c = 0; c < columns.size(); c++) {
                                        Column column = columns.get(c);
                                        Object value = column.getValueProvider().apply(row);
                                        String valueString;
                                        if (value != null) {
                                            if (value instanceof Date) {
                                                valueString = DateHelper.formatLocalDateTime((Date) value);
                                            } else if (value instanceof Boolean) {
                                                if ((Boolean) value == true) {
                                                    valueString = I18nProperties
                                                            .getEnumCaption(YesNoUnknown.YES);
                                                } else
                                                    valueString = I18nProperties
                                                            .getEnumCaption(YesNoUnknown.NO);
                                            } else {
                                                valueString = value.toString();
                                            }
                                        } else {
                                            valueString = "";
                                        }
                                        rowValues[c] = valueString;
                                    }
                                    writer.writeNext(rowValues);
                                });
                        writer.flush();
                    }
                }
                return new BufferedInputStream(new ByteArrayInputStream(byteStream.toByteArray()));
            } catch (IOException e) {
                // TODO This currently requires the user to click the "Export" button again or reload the page as the UI
                // is not automatically updated; this should be changed once Vaadin push is enabled (see #516)
                new Notification(I18nProperties.getString(Strings.headingExportFailed),
                        I18nProperties.getString(Strings.messageExportFailed), Type.ERROR_MESSAGE, false)
                                .show(Page.getCurrent());
                return null;
            }
        }
    }, filename);
    setMIMEType("text/csv");
    setCacheTime(0);
}

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From source file:org.jpos.qi.eeuser.ConsumersView.java

License:Open Source License

@Override
public void setGridGetters() {
    Grid<Consumer> g = getGrid();
    g.addColumn(Consumer::getId).setId("id");
    g.addColumn(consumer -> consumer.getRolesAsString()).setId("roles");
    g.addColumn(Consumer::getStartDate).setId("startDate");
    g.addColumn(Consumer::getEndDate).setId("endDate");
    g.addColumn(consumer -> consumer.getUser().getNickAndId()).setId("user");
    g.addColumn(Consumer::isActive).setId("active");
    g.addColumn(Consumer::isDeleted).setId("deleted");

    //select first item on user combobox
    userComboBox.setValue(userComboBox.getDataProvider().fetch(new Query<>()).findFirst().orElse(null));
}

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From source file:org.jpos.qi.minigl.TransactionsView.java

License:Open Source License

private HorizontalLayout createFilters() {
    HorizontalLayout controls = new HorizontalLayout();
    controls.setWidth("100%");
    journals = new JournalsCombo(true);
    journals.setValue(journals.getDataProvider().fetch(new Query<>()).findFirst().orElse(null));
    controls.addComponents(journals, dateRangeComponent);
    controls.setComponentAlignment(dateRangeComponent, Alignment.MIDDLE_LEFT);
    controls.setComponentAlignment(journals, Alignment.MIDDLE_RIGHT);
    controls.setExpandRatio(journals, 0f);
    controls.setExpandRatio(dateRangeComponent, 1f);
    controls.setMargin(new MarginInfo(false, true, true, true));
    controls.setSpacing(true);/*www. j  a va 2 s  . c  o  m*/
    return controls;
}

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From source file:org.openthinclient.web.pkgmngr.ui.view.PackageDetailsView.java

private boolean hasProvides() {
    return provides.getDataProvider().size(new Query<>()) != 0;
}

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From source file:org.openthinclient.web.pkgmngr.ui.view.PackageDetailsView.java

private boolean hasConflicts() {
    return conflicts.getDataProvider().size(new Query<>()) != 0;
}

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From source file:org.openthinclient.web.pkgmngr.ui.view.PackageDetailsView.java

private boolean hasDependencies() {
    return dependencies.getDataProvider().size(new Query<>()) != 0;
}

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