easyfxml-samples/easyfxml-sample-form-user/src/main/java/moe/tristan/easyfxml/samples/form/user/view/userform/fields/firstname/FirstnameController.java
/*
* Copyright 2017 - 2019 EasyFXML project and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package moe.tristan.easyfxml.samples.form.user.view.userform.fields.firstname;
import java.util.regex.Pattern;
import org.springframework.stereotype.Component;
import javafx.application.Platform;
import javafx.beans.value.ObservableValue;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import moe.tristan.easyfxml.fxkit.form.defaults.StringFormFieldController;
@Component
public class FirstnameController extends StringFormFieldController {
private static final Pattern NO_NUMBERS_PATTERN = Pattern.compile("(\\b[^\\d]+\\b)+");
static final String ERROR_EMPTY_PROVIDED = "You must provide a first name";
static final String ERROR_NAME_INVALID_PATTERN = "Name has digits or trailing spaces";
public TextField firstNameField;
public Label invalidLabel;
@Override
public ObservableValue<String> getObservableValue() {
return firstNameField.textProperty();
}
@Override
public boolean validate(String fieldValue) {
if (isNullOrBlank()) {
onInvalid(ERROR_EMPTY_PROVIDED);
return false;
}
if (!NO_NUMBERS_PATTERN.matcher(fieldValue).matches()) {
onInvalid(ERROR_NAME_INVALID_PATTERN);
return false;
} else {
onValid();
return true;
}
}
@Override
public void onValid() {
Platform.runLater(() -> invalidLabel.setVisible(false));
}
@Override
public void onInvalid(String reason) {
Platform.runLater(() -> {
invalidLabel.setText(reason);
invalidLabel.setVisible(true);
});
}
@Override
public String getFieldName() {
return FirstnameComponent.FIRST_NAME_FIELD_NAME;
}
}