Examples with Validator com.vaadin.data.Validator used on opensource projects

Example 6 with Validator

use of com.vaadin.data.Validator in project VaadinUtils by rlsutton1.

the class DateTimePickerInline method createTextDateField.

private TextField createTextDateField() {
    final TextField displayDate = new TextField();
    // add validator to text date field
    displayDate.addValidator(new Validator() {

        private static final long serialVersionUID = 1L;

        @Override
        public void validate(Object value) throws InvalidValueException {
            try {
                Date date = dateFormatter.parse((String) value);
                datePicker.setValue(date);
            } catch (ParseException e) {
                throw new InvalidValueException(e.getMessage());
            }
        }
    });
    // add value change listener to text date field
    displayDate.addValueChangeListener(new ValueChangeListener() {

        private static final long serialVersionUID = 1L;

        @Override
        public void valueChange(Property.ValueChangeEvent event) {
            try {
                Date date = dateFormatter.parse((String) event.getProperty().getValue());
                datePicker.setValue(date);
            } catch (ParseException e) {
            // do nothing, well handle this in a validator
            }
        }
    });
    return displayDate;
}

Example 7 with Validator

use of com.vaadin.data.Validator in project VaadinUtils by rlsutton1.

the class ReportParameterDateTimeRange method createValidators.

void createValidators() {
    startfield.addValidator(new Validator() {

        private static final long serialVersionUID = 1L;

        @Override
        public void validate(Object value) throws InvalidValueException {
            if (value == null) {
                throw new InvalidValueException("Start date is invalid");
            }
            if (endfield.getValue() != null && ((Date) value).after(endfield.getValue())) {
                throw new InvalidValueException("Start date must be before the end date");
            }
        }
    });
    endfield.addValidator(new Validator() {

        private static final long serialVersionUID = 1L;

        @Override
        public void validate(Object value) throws InvalidValueException {
            if (value == null) {
                throw new InvalidValueException("End date is invalid");
            }
            if (startfield.getValue() != null && ((Date) value).before(startfield.getValue())) {
                throw new InvalidValueException("Start date must be before the end date");
            }
        }
    });
}