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/*******************************************************************************
* Copyright (c) 2012 BestSolution.at and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tom Schindl<tom.schindl@bestsolution.at> - initial API and implementation
*******************************************************************************/
package org.eclipse.fx.core.databinding;
import java.beans.PropertyDescriptor;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.fx.core.databinding.internal.AnonymousFXBeanValueProperty;
import org.eclipse.fx.core.databinding.internal.FXBeanPropertyHelper;
import org.eclipse.fx.core.databinding.internal.FXBeanValueProperty;
import org.eclipse.fx.core.databinding.internal.FXBeanValuePropertyDecorator;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
/**
* Factory to create property descriptions
*/
public class JFXBeanProperties {
/**
* Create a single value property without a type
*
* @param propertyName
* the name of the property (nested properties are separated with a .)
* @return the property
*/
public static @NonNull IJFXBeanValueProperty value(@NonNull String propertyName) {
return value(null, propertyName, null);
}
/**
* Create a single value property with a type
*
* @param propertyName
* the name of the property (nested properties are separated with a .)
* @param valueType
* the type
* @return the property
*/
public static @NonNull IJFXBeanValueProperty value(@NonNull String propertyName, Class<?> valueType) {
return value(null, propertyName, valueType);
}
/**
* Create a property on a class
*
* @param beanClass
* the bean type the property is created on
* @param propertyName
* the property name
* @param _valueType
* the type
* @return the property
*/
public static @NonNull IJFXBeanValueProperty value(@Nullable Class<?> beanClass, @NonNull String propertyName, @Nullable Class<?> _valueType) {
Class<?> valueType = _valueType;
@NonNull String[] propertyNames = split(propertyName);
if (propertyNames.length > 1) {
valueType = null;
}
PropertyDescriptor propertyDescriptor;
IValueProperty property;
if (beanClass == null) {
propertyDescriptor = null;
property = new AnonymousFXBeanValueProperty(propertyNames[0], valueType);
} else {
propertyDescriptor = FXBeanPropertyHelper.getPropertyDescriptor(beanClass, propertyNames[0]);
property = new FXBeanValueProperty(propertyDescriptor, valueType);
}
@NonNull
IJFXBeanValueProperty beanProperty = new FXBeanValuePropertyDecorator(property, propertyDescriptor);
for (int i = 1; i < propertyNames.length; i++) {
beanProperty = beanProperty.value(propertyNames[i]);
}
return beanProperty;
}
@SuppressWarnings("null")
private static @NonNull String[] split(@NonNull String _propertyName) {
String propertyName = _propertyName;
if (propertyName.indexOf('.') == -1)
return new String[] { propertyName };
List<String> propertyNames = new ArrayList<String>();
int index;
while ((index = propertyName.indexOf('.')) != -1) {
propertyNames.add(propertyName.substring(0, index));
propertyName = propertyName.substring(index + 1);
}
propertyNames.add(propertyName);
return (String[]) propertyNames.toArray(new String[propertyNames.size()]);
}
}
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