/*******************************************************************************
* Mission Control Technologies, Copyright (c) 2009-2012, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is 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.
*
* MCT includes source code licensed under additional open source licenses. See
* the MCT Open Source Licenses file included with this distribution or the About
* MCT Licenses dialog available at runtime from the MCT Help menu for additional
* information.
*******************************************************************************/
package org.acme.example.component;
import gov.nasa.arc.mct.components.AbstractComponent;
import gov.nasa.arc.mct.components.JAXBModelStatePersistence;
import gov.nasa.arc.mct.components.ModelStatePersistence;
import gov.nasa.arc.mct.components.PropertyDescriptor;
import gov.nasa.arc.mct.components.TextInitializer;
import gov.nasa.arc.mct.components.PropertyDescriptor.VisualControlDescriptor;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
/**
* The <code>ExampleComponent</code> class defines a simple component. In this case, <code>AbstractComponent</code>
* provides all the functionality required (the default implementation assumes this component can contain
* an arbitrary component). The no argument constructor is required by the MCT platform. This component will
* participate in persistence like other MCT components.
* @author chris.webster@nasa.gov
*
*/
public class ExampleComponent extends AbstractComponent {
private final AtomicReference<ExampleModelRole> model = new AtomicReference<ExampleModelRole>(new ExampleModelRole());
@Override
protected <T> T handleGetCapability(Class<T> capability) {
if (ModelStatePersistence.class.isAssignableFrom(capability)) {
JAXBModelStatePersistence<ExampleModelRole> persistence = new JAXBModelStatePersistence<ExampleModelRole>() {
@Override
protected ExampleModelRole getStateToPersist() {
return model.get();
}
@Override
protected void setPersistentState(ExampleModelRole modelState) {
model.set(modelState);
}
@Override
protected Class<ExampleModelRole> getJAXBClass() {
return ExampleModelRole.class;
}
};
return capability.cast(persistence);
}
return null;
}
public ExampleModelRole getModel() {
return model.get();
}
@Override
public List<PropertyDescriptor> getFieldDescriptors() {
// Provide an ordered list of fields to be included in the MCT Platform's InfoView.
List<PropertyDescriptor> fields = new ArrayList<PropertyDescriptor>();
// Describe the field "dataDescription" in the business class MyData.
// Here we specify an immutable field, whereby its initial value is specified using a convenience class TextInitializer.
String labelText = "World Swimming Event";
PropertyDescriptor swimmingEvent = new PropertyDescriptor(labelText,
new TextInitializer(getModel().getData().getDataDescription()), VisualControlDescriptor.Label);
// Describe MyData's field "doubleData".
// We specify a mutable text field. The control display's values are maintained in the business model
// via the PropertyEditor object. When a new value is to be set, the editor also validates the prospective value.
PropertyDescriptor swimmingWorldRecord = new PropertyDescriptor("Men's World Record (Rome 2009 Phelps)",
new TextPropertyEditor(this), VisualControlDescriptor.TextField);
swimmingWorldRecord.setFieldMutable(true);
// Describe MyData's field "genderSelection". Here is a mutabl combo box visual control. The control's initial value,
// and its selection states are taken from the business model via the PropertyEditor.
PropertyDescriptor gender = new PropertyDescriptor("Gender", new EnumerationPropertyEditor(this), VisualControlDescriptor.ComboBox);
gender.setFieldMutable(true);
// Describe MyData's field "verified". This is a mutable check box visual control.
PropertyDescriptor verified = new PropertyDescriptor("Verified", new BooleanPropertyEditor(this), VisualControlDescriptor.CheckBox);
verified.setFieldMutable(true);
fields.add(swimmingEvent);
fields.add(swimmingWorldRecord);
fields.add(gender);
fields.add(verified);
return fields;
}
}