jpa/plugins/org.eclipse.jpt.jpa.eclipselink.ui/src/org/eclipse/jpt/jpa/eclipselink/ui/internal/persistence/connection/JdbcExclusiveConnectionsPropertiesComposite.java

/*******************************************************************************
* Copyright (c) 2010, 2011 Oracle. 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:
*     Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.jpa.eclipselink.ui.internal.persistence.connection;

import org.eclipse.jpt.common.ui.internal.util.PaneEnabler;
import org.eclipse.jpt.common.ui.internal.widgets.Pane;
import org.eclipse.jpt.common.utility.internal.model.value.PropertyAspectAdapter;
import org.eclipse.jpt.common.utility.internal.model.value.TransformationPropertyValueModel;
import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
import org.eclipse.jpt.jpa.core.context.persistence.PersistenceUnit;
import org.eclipse.jpt.jpa.core.context.persistence.PersistenceUnitTransactionType;
import org.eclipse.jpt.jpa.eclipselink.core.context.persistence.Connection;
import org.eclipse.jpt.jpa.eclipselink.ui.internal.EclipseLinkUiMessages;
import org.eclipse.swt.widgets.Composite;

/**
 *  JdbcExclusiveConnectionsPropertiesComposite
 */
public class JdbcExclusiveConnectionsPropertiesComposite<T extends Connection> 
	extends Pane<T>
{
	public JdbcExclusiveConnectionsPropertiesComposite(Pane<T> parentComposite, Composite parent) {

		super(parentComposite, parent);
	}
	
	@Override
	protected void initializeLayout(Composite container) {

		container = this.addTitledGroup(
			this.addSubPane(container, 10),
			EclipseLinkUiMessages.JdbcExclusiveConnectionsPropertiesComposite_GroupBox
		);

		// Exclusive connection mode
		new JdbcExclusiveConnectionModeComposite<T>(this, container);

		// Lazy Connection
		new JdbcLazyConnectionComposite<T>(this, container);

		this.installPaneEnabler();
	}

	private void installPaneEnabler() {
		new PaneEnabler(this.buildPaneEnablerHolder(), this);
	}

	private PropertyValueModel<Boolean> buildPaneEnablerHolder() {
		return new TransformationPropertyValueModel<PersistenceUnitTransactionType, Boolean>(this.buildTransactionTypeHolder()) {
			@Override
			protected Boolean transform(PersistenceUnitTransactionType value) {
				return value == PersistenceUnitTransactionType.RESOURCE_LOCAL;
			}
		};
	}

	private PropertyValueModel<PersistenceUnitTransactionType> buildTransactionTypeHolder() {
		return new PropertyAspectAdapter<PersistenceUnit, PersistenceUnitTransactionType>(
			this.buildPersistenceUnitHolder(), 
			PersistenceUnit.SPECIFIED_TRANSACTION_TYPE_PROPERTY, 
			PersistenceUnit.DEFAULT_TRANSACTION_TYPE_PROPERTY) {
			@Override
			protected PersistenceUnitTransactionType buildValue_() {
				return this.subject.getTransactionType();
			}
		};
	}

	private PropertyValueModel<PersistenceUnit> buildPersistenceUnitHolder() {
		return new PropertyAspectAdapter<Connection, PersistenceUnit>(this.getSubjectHolder()) {
			@Override
			protected PersistenceUnit buildValue_() {
				return this.subject.getPersistenceUnit();
			}
		};
	}
}