Examples with Validator org.apache.pivot.wtk.validation.Validator used on opensource projects

Example 1 with Validator

use of org.apache.pivot.wtk.validation.Validator in project pivot by apache.

the class TextInput method setValidator.

/**
 * Sets the validator associated with this text input.
 *
 * @param validator The validator to use, or <tt>null</tt> to use no
 * validator.
 */
public void setValidator(Validator validator) {
    Validator previousValidator = this.validator;
    if (validator != previousValidator) {
        this.validator = validator;
        // Store previous text valid flag
        boolean previousTextValid = textValid;
        // Update the text valid flag
        textValid = (validator == null) ? true : validator.isValid(getText());
        textInputListeners.textValidatorChanged(this, previousValidator);
        // Fire additional events as needed
        if (textValid != previousTextValid) {
            textInputListeners.textValidChanged(this);
        }
    }
}

Example 2 with Validator

use of org.apache.pivot.wtk.validation.Validator in project pivot by apache.

the class TextInputValidatorTest method startup.

@Override
public void startup(final Display display, final Map<String, String> properties) throws Exception {
    System.out.println("Starting TextInputValidatorTest ...");
    System.out.println("current Locale is " + locale);
    // sample different ways to format numbers in i18n compatible way
    NumberFormat nf = NumberFormat.getInstance();
    // 
    // String customDecimalPattern = ""###,###.###"";
    // DecimalFormat df = new DecimalFormat(customDecimalPattern);
    // 
    // StringBuffer sb = new StringBuffer();
    // Formatter formatter = new Formatter(sb, locale);
    // String customDecimalFormat = "%,.3f";
    // 
    BXMLSerializer bxmlSerializer = new BXMLSerializer();
    window = new Window((Component) bxmlSerializer.readObject(getClass().getResource("text_input_validator_test.bxml")));
    Map<String, Object> namespace = bxmlSerializer.getNamespace();
    textinputLocale = (TextInput) namespace.get("textinputLocale");
    textinputComparableBigDecimal = (TextInput) namespace.get("textinputComparableBigDecimal");
    textinputComparableRange = (TextInput) namespace.get("textinputComparableRange");
    textinputDouble = (TextInput) namespace.get("textinputDouble");
    textinputFloat = (TextInput) namespace.get("textinputFloat");
    textinputFloatRange = (TextInput) namespace.get("textinputFloatRange");
    textinputIntRange = (TextInput) namespace.get("textinputIntRange");
    textinputDateRegex = (TextInput) namespace.get("textinputDateRegex");
    textinputCustomBoolean = (TextInput) namespace.get("textinputCustomBoolean");
    textinputNotEmptyText = (TextInput) namespace.get("textinputNotEmptyText");
    textinputEmptyText = (TextInput) namespace.get("textinputEmptyText");
    textinputLocale.setText(locale.toString());
    String testValue = "123456789.0";
    // new, validate a value but using BigDecimalValidator (subclass of ComparableValidator)
    // huge value, and outside double range ...
    textinputComparableBigDecimal.setText("1e300");
    BigDecimalValidator bdComp = new BigDecimalValidator();
    System.out.println("BigDecimalValidator: created instance with value: " + bdComp);
    // enable auto-trim of input string, before validating
    bdComp.setAutoTrim(true);
    System.out.println("BigDecimalValidator: enable auto-trim of input string, before validating");
    textinputComparableBigDecimal.setValidator(bdComp);
    // new, validate in a range but using ComparableRangeValidator
    textinputComparableRange.setText(nf.format(new BigDecimal(testValue)));
    ComparableRangeValidator<BigDecimal> bdCompRange = new ComparableRangeValidator<>(new BigDecimal("2.0"), new BigDecimal("123456789"));
    System.out.println("ComparableRangeValidator: created instance with value: " + bdCompRange);
    // enable auto-trim of input string, before validating
    bdCompRange.setAutoTrim(true);
    System.out.println("ComparableRangeValidator: enable auto-trim of input string, before validating");
    textinputComparableRange.setValidator(bdCompRange);
    textinputComparableRange.getTextInputListeners().add(new TextInputListener() {

        @Override
        public void textValidChanged(final TextInput textInput) {
            invalidComparableRangeLabel.setText(validText(textInput));
        }
    });
    invalidComparableRangeLabel = (Label) namespace.get("invalidComparableRangeLabel");
    // positive infinity text
    textinputDouble.setText("+\u221E");
    textinputDouble.setValidator(new DoubleValidator());
    // textinputFloat.setText("123456.789");
    // new, show different ways to format decimal values in i18n format
    Double value = new Double(testValue);
    // textinputFloat.setText(value.toString());
    // textinputFloat.setText(String.format(customDecimalFormat, value)); // sample using String.format
    // formatter.format(customDecimalFormat, value); // sample using Formatter
    // textinputFloat.setText(sb.toString()); // sample using Formatter
    // textinputFloat.setText(nf.format(value)); // sample using NumberFormat
    // textinputFloat.setText(df.format(value)); // sample using DecimalFormat
    // using this as a sample
    textinputFloat.setText(nf.format(value));
    textinputFloat.setValidator(new FloatValidator());
    // standard float range model
    // note that float approximations could give errors,
    // try to increment/decrement the initial value near a range end, to see problems ...
    textinputFloatRange.setText(nf.format(new Float(testValue)));
    textinputFloatRange.setValidator(new FloatRangeValidator(2.0f, 123456789f));
    // test the listener by updating a label
    textinputFloatRange.getTextInputListeners().add(new TextInputListener() {

        @Override
        public void textValidChanged(final TextInput textInput) {
            invalidLabel.setText(validText(textInput));
        }
    });
    invalidLabel = (Label) namespace.get("invalidLabel");
    // standard int range model
    textinputIntRange.setText("0");
    textinputIntRange.setValidator(new IntRangeValidator(0, 100));
    // validate using a date regex.
    textinputDateRegex.setText("2009-09-01");
    textinputDateRegex.setValidator(new RegexTextValidator("(19|20)\\d\\d[- /.](0[1-9]|1[012])[-/.](0[1-9]|[12][0-9]|3[01])"));
    // creating a custom model that only accepts "true" or "false"
    textinputCustomBoolean.setText("true");
    textinputCustomBoolean.setValidator(new Validator() {

        @Override
        public boolean isValid(final String s) {
            return "true".equals(s) || "false".equals(s);
        }
    });
    // validate any not-empty text
    textinputNotEmptyText.setText("  Not Empty, and with spaces  ");
    textinputNotEmptyText.setValidator(new NotEmptyTextValidator());
    // validate any empty text, edge case
    textinputEmptyText.setText("    ");
    textinputEmptyText.setValidator(new EmptyTextValidator());
    window.setTitle("Text Input Validator Test");
    window.setMaximized(true);
    window.open(display);
}

Example 3 with Validator

use of org.apache.pivot.wtk.validation.Validator in project pivot by apache.

the class TerraTextInputSkin method previewInsertText.

// Text input character events
@Override
public Vote previewInsertText(TextInput textInput, CharSequence text, int index) {
    Vote vote = Vote.APPROVE;
    if (textInput.isStrictValidation()) {
        Validator validator = textInput.getValidator();
        if (validator != null) {
            StringBuilder textBuilder = new StringBuilder();
            textBuilder.append(textInput.getText(0, index));
            textBuilder.append(text);
            textBuilder.append(textInput.getText(index, textInput.getCharacterCount()));
            if (!validator.isValid(textBuilder.toString())) {
                vote = Vote.DENY;
                Toolkit.getDefaultToolkit().beep();
            }
        }
    }
    return vote;
}

Example 4 with Validator

use of org.apache.pivot.wtk.validation.Validator in project pivot by apache.

the class TerraTextInputSkin method previewRemoveText.

@Override
public Vote previewRemoveText(TextInput textInput, int index, int count) {
    Vote vote = Vote.APPROVE;
    if (textInput.isStrictValidation()) {
        Validator validator = textInput.getValidator();
        if (validator != null) {
            StringBuilder textBuilder = new StringBuilder();
            textBuilder.append(textInput.getText(0, index));
            textBuilder.append(textInput.getText(index + count, textInput.getCharacterCount()));
            if (!validator.isValid(textBuilder.toString())) {
                vote = Vote.DENY;
                Toolkit.getDefaultToolkit().beep();
            }
        }
    }
    return vote;
}