Examples of pivot.wtk.text.validation.Validator

pivot.wtk.text.validation.Validator
Validation interface for text components. Allows the programmer to specify constraints on text data.
This is indicated visually to the user (a red background would be typical), and events are fired by the TextInput if the programmer wishes to take further action. @author Noel Grandin

     *
     * @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;
            textInputListeners.textValidatorChanged(this, previousValidator);
            updateTextValid();

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        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() {
            public boolean isValid(String s) {
                return "true".equals(s) || "false".equals(s);
            }
        });

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        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() {
            public boolean isValid(String s) {
                return "true".equals(s) || "false".equals(s);
            }
        });

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     *
     * @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;
            textInputListeners.textValidatorChanged(this, previousValidator);
            updateTextValid();

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            TextInput textInput = (TextInput)getComponent();
            TextNode textNode = textInput.getTextNode();


            if (textNode.getCharacterCount() < textInput.getMaximumLength()) {
                int index = textInput.getSelectionStart();
                Validator validator = textInput.getValidator();


                if (validator != null
                    && strictValidation) {
                    StringBuilder buf = new StringBuilder(textNode.getText());
                    buf.insert(index, character);


                    if (validator.isValid(buf.toString())) {
                        textInput.insertText(character, index);
                    } else {
                        ApplicationContext.beep();
                    }
                } else {

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        if (keyCode == Keyboard.KeyCode.DELETE
            || keyCode == Keyboard.KeyCode.BACKSPACE) {
            Direction direction = (keyCode == Keyboard.KeyCode.DELETE ?
                Direction.FORWARD : Direction.BACKWARD);


            Validator validator = textInput.getValidator();


            if (validator != null
                && strictValidation) {
                StringBuilder buf = new StringBuilder(textNode.getText());
                int index = textInput.getSelectionStart();
                int count = textInput.getSelectionLength();


                if (count > 0) {
                    buf.delete(index, index + count);
                } else {
                    if (direction == Direction.BACKWARD) {
                        index--;
                    }


                    if (index >= 0
                        && index < textNode.getCharacterCount()) {
                        buf.deleteCharAt(index);
                    }
                }


                if (validator.isValid(buf.toString())) {
                    textInput.delete(direction);
                } else {
                    ApplicationContext.beep();
                }
            } else {

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Related Classes of pivot.wtk.text.validation.Validator

pivot.wtk.skin.terra.TerraTextInputSkin

pivot.wtk.test.TextInputValidatorTest

pivot.wtk.TextInput

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