/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.isis.viewer.wicket.ui.components.scalars;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.model.Model;
import org.apache.wicket.validation.IValidatable;
import org.apache.wicket.validation.IValidator;
import org.apache.wicket.validation.ValidationError;
import org.apache.wicket.validation.validator.StringValidator;
import org.apache.isis.core.metamodel.facets.maxlen.MaxLengthFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.viewer.wicket.model.models.ScalarModel;
/**
* Adapter for {@link ScalarPanelTextFieldAbstract textField-based scalar panel}
* s where moreover the scalar parameter or property is a value type that is
* parseable.
*/
public abstract class ScalarPanelTextFieldParseableAbstract extends ScalarPanelTextFieldAbstract<String> {
private static final long serialVersionUID = 1L;
protected final String idTextField;
public ScalarPanelTextFieldParseableAbstract(final String id, final String idTextField, final ScalarModel scalarModel) {
super(id, scalarModel);
this.idTextField = idTextField;
}
@Override
protected TextField<String> createTextField() {
final TextField<String> textField = new TextField<String>(idTextField, new Model<String>() {
private static final long serialVersionUID = 1L;
@Override
public String getObject() {
return getModel().getObjectAsString();
}
@Override
public void setObject(final String object) {
if (object == null) {
getModel().setObject(null);
} else {
getModel().setObjectAsString(object);
}
}
});
return textField;
}
@Override
protected void addStandardSemantics() {
super.addStandardSemantics();
addMaxLengthValidator();
addObjectAdapterValidator();
}
private void addMaxLengthValidator() {
final ScalarModel scalarModel = getModel();
final TextField<String> textField = getTextField();
final ObjectSpecification facetHolder = scalarModel.getTypeOfSpecification();
final MaxLengthFacet maxLengthFacet = facetHolder.getFacet(MaxLengthFacet.class);
if (maxLengthFacet != null) {
textField.add(StringValidator.maximumLength(maxLengthFacet.value()));
}
}
private void addObjectAdapterValidator() {
final ScalarModel scalarModel = getModel();
final TextField<String> textField = getTextField();
textField.add(new IValidator<String>() {
private static final long serialVersionUID = 1L;
@Override
public void validate(final IValidatable<String> validatable) {
final String proposedValue = validatable.getValue();
final String reasonIfAny = scalarModel.parseAndValidate(proposedValue);
if (reasonIfAny != null) {
final ValidationError error = new ValidationError();
error.setMessage(reasonIfAny);
validatable.error(error);
}
}
});
}
}