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/*******************************************************************************
 * Copyright (c) 2009, 2016 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.ui.internal.details.orm;

import org.eclipse.jpt.common.ui.internal.widgets.Pane;
import org.eclipse.jpt.common.ui.internal.widgets.TriStateCheckBox;
import org.eclipse.jpt.common.utility.internal.model.value.PropertyAspectAdapterXXXX;
import org.eclipse.jpt.common.utility.internal.model.value.PropertyValueModelTools;
import org.eclipse.jpt.common.utility.model.value.ModifiablePropertyValueModel;
import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
import org.eclipse.jpt.common.utility.transformer.Transformer;
import org.eclipse.jpt.jpa.core.context.orm.OrmTypeMapping;
import org.eclipse.jpt.jpa.ui.details.orm.JptJpaUiDetailsOrmMessages;
import org.eclipse.jpt.jpa.ui.internal.BooleanStringTransformer;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

public class MetadataCompleteTriStateCheckBox extends Pane<OrmTypeMapping> {

	private TriStateCheckBox checkBox;

	public MetadataCompleteTriStateCheckBox(Pane<?> parentPane,
	                           PropertyValueModel<? extends OrmTypeMapping> subjectHolder,
	                           Composite parent) {

		super(parentPane, subjectHolder, parent);
	}

	@Override
	protected boolean addsComposite() {
		return false;
	}

	@Override
	public Control getControl() {
		return this.checkBox.getCheckBox();
	}

	@Override
	protected void initializeLayout(Composite container) {

		// TODO not sure the is the right thing to do; since metadata complete
		// has an "override" (from the persistence unit), not a default...
		this.checkBox = addTriStateCheckBoxWithDefault(
			container,
			JptJpaUiDetailsOrmMessages.METADATA_COMPLETE_COMPOSITE_METADATA_COMPLETE,
			buildSpecifiedMetadataCompleteModel(),
			buildMetadataCompleteStringModel(),
			null
		);
	}

	private ModifiablePropertyValueModel<Boolean> buildSpecifiedMetadataCompleteModel() {
		return new PropertyAspectAdapterXXXX<OrmTypeMapping, Boolean>(
			getSubjectHolder(),
			OrmTypeMapping.SPECIFIED_METADATA_COMPLETE_PROPERTY)
		{
			@Override
			protected Boolean buildValue_() {
				return this.subject.getSpecifiedMetadataComplete();
			}

			@Override
			protected void setValue_(Boolean value) {
				this.subject.setSpecifiedMetadataComplete(value);
			}
		};
	}

	private PropertyValueModel<String> buildMetadataCompleteStringModel() {
		return PropertyValueModelTools.transform_(this.buildOverrideMetadataCompleteModel(), METADATA_COMPLETE_TRANSFORMER);
	}

	private static final Transformer<Boolean, String> METADATA_COMPLETE_TRANSFORMER = new BooleanStringTransformer(
			JptJpaUiDetailsOrmMessages.METADATA_COMPLETE_COMPOSITE_METADATA_COMPLETE_WITH_DEFAULT,
			JptJpaUiDetailsOrmMessages.METADATA_COMPLETE_COMPOSITE_METADATA_COMPLETE
		);

	private PropertyValueModel<Boolean> buildOverrideMetadataCompleteModel() {
		return new PropertyAspectAdapterXXXX<OrmTypeMapping, Boolean>(
			getSubjectHolder(),
			OrmTypeMapping.SPECIFIED_METADATA_COMPLETE_PROPERTY,
			OrmTypeMapping.OVERRIDE_METADATA_COMPLETE_PROPERTY)
		{
			@Override
			protected Boolean buildValue_() {
				if (this.subject.getSpecifiedMetadataComplete() != null) {
					return null;
				}
				return Boolean.valueOf(this.subject.isOverrideMetadataComplete());
			}
		};
	}
}

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