Examples with CheckboxGroup com.vaadin.flow.component.checkbox.CheckboxGroup used on opensource projects

Example 6 with CheckboxGroup

use of com.vaadin.flow.component.checkbox.CheckboxGroup in project flow-components by vaadin.

the class CheckboxGroupTest method selectDisabledItem_noRedundantEvent.

@Test
public void selectDisabledItem_noRedundantEvent() {
    CheckboxGroup<String> group = new CheckboxGroup<>();
    group.setItems("enabled", "disabled");
    group.setItemEnabledProvider("enabled"::equals);
    List<HasValue.ValueChangeEvent<Set<String>>> events = new ArrayList<>();
    group.addValueChangeListener(events::add);
    List<String> keys = group.getChildren().map(Component::getElement).map(element -> element.getProperty("value")).collect(Collectors.toList());
    String enabledKey = keys.get(0);
    String disabledKey = keys.get(1);
    JsonArray array = Json.createArray();
    array.set(0, disabledKey);
    group.getElement().setPropertyJson("value", array);
    Assert.assertThat(group.getValue(), IsEmptyCollection.empty());
    Assert.assertTrue(events.isEmpty());
    array = Json.createArray();
    array.set(0, enabledKey);
    group.getElement().setPropertyJson("value", array);
    Assert.assertEquals(Collections.singleton("enabled"), group.getValue());
    Assert.assertEquals(1, events.size());
    ValueChangeEvent<Set<String>> event = events.get(0);
    Assert.assertThat(event.getOldValue(), IsEmptyCollection.empty());
    Assert.assertEquals(Collections.singleton("enabled"), event.getValue());
}

Example 7 with CheckboxGroup

use of com.vaadin.flow.component.checkbox.CheckboxGroup in project flow-components by vaadin.

the class CheckboxGroupDemoPage method addComponentWithThemeVariant.

private void addComponentWithThemeVariant() {
    CheckboxGroup<String> group = new CheckboxGroup<>();
    group.setItems("foo", "bar", "baz");
    group.setId("checkbox-group-theme-variants");
    group.addThemeVariants(CheckboxGroupVariant.LUMO_VERTICAL);
    Button removeVariantButton = new Button("Remove theme variant", e -> {
        group.removeThemeVariants(CheckboxGroupVariant.LUMO_VERTICAL);
    });
    removeVariantButton.setId("remove-theme-variant-button");
    addCard("Button theme variants", group, removeVariantButton);
}

Example 8 with CheckboxGroup

use of com.vaadin.flow.component.checkbox.CheckboxGroup in project flow-components by vaadin.

the class CheckboxGroupDemoPage method addItemLabelGenerator.

private void addItemLabelGenerator() {
    Div message = new Div();
    CheckboxGroup<Person> group = new CheckboxGroup<>();
    group.setItems(new Person("Joe"), new Person("John"), new Person("Bill"));
    group.setItemLabelGenerator(Person::getName);
    group.addValueChangeListener(event -> message.setText(String.format("Checkbox group value changed from '%s' to '%s'", getNames(event.getOldValue()), getNames(event.getValue()))));
    group.setId("checkbox-group-with-item-generator");
    message.setId("checkbox-group-gen-value");
    addCard("Checkbox group with label generator", group, message);
}

Example 9 with CheckboxGroup

use of com.vaadin.flow.component.checkbox.CheckboxGroup in project flow-components by vaadin.

the class CheckboxGroupDemoPage method addComponentWithLabelAndErrorMessage.

private void addComponentWithLabelAndErrorMessage() {
    CheckboxGroup<String> group = new CheckboxGroup<>();
    group.setItems("foo", "bar", "baz");
    group.setLabel("Group label");
    group.setErrorMessage("Field has been set to invalid from server side");
    NativeButton button = new NativeButton("Switch validity state", event -> group.setInvalid(!group.isInvalid()));
    group.setId("group-with-label-and-error-message");
    button.setId("group-with-label-button");
    addCard("Group with label and error message", group, button);
}

Example 10 with CheckboxGroup

use of com.vaadin.flow.component.checkbox.CheckboxGroup in project flow-components by vaadin.

the class CheckboxGroupDemoPage method addReadOnlyGroup.

private void addReadOnlyGroup() {
    Div valueInfo = new Div();
    CheckboxGroup<String> group = new CheckboxGroup<>();
    group.setItems("foo", "bar", "baz");
    group.setReadOnly(true);
    NativeButton button = new NativeButton("Switch read-only state", event -> group.setReadOnly(!group.isReadOnly()));
    group.addValueChangeListener(event -> valueInfo.setText(toString(group.getValue())));
    group.setId("checkbox-group-read-only");
    valueInfo.setId("selected-value-info");
    button.setId("switch-read-only");
    addCard("Read-only checkbox group", group, button, valueInfo);
}