jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/mappings/details/JoinColumnInJoinTableDialog.java

/*******************************************************************************
 * Copyright (c) 2006, 2008 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.ui.internal.mappings.details;

import org.eclipse.jpt.core.internal.context.base.IJoinColumn;
import org.eclipse.jpt.core.internal.context.base.IJoinTable;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;

/**
 * TODO
 *
 * @see JoinColumnInJoinTableStateObject
 * @see AbstractJoinColumnDialogPane
 *
 * TODO: If there is only 1 join column and the user is editing it, they should
 * be able to define defaults. otherwise, we probably shouldn't allow it.
 *
 * @version 2.0
 * @since 1.0
 */
public class JoinColumnInJoinTableDialog extends AbstractJoinColumnDialog<JoinColumnInJoinTableStateObject> {

	private IJoinTable joinTable;

	/**
	 * Creates a new <code>JoinColumnInJoinTableDialog</code>.
	 *
	 * @param parent The parent shell
	 * @param joinColumn
	 */
	public JoinColumnInJoinTableDialog(Shell parent, IJoinColumn joinColumn) {

		super(parent, joinColumn);
	}

	/**
	 * Creates a new <code>JoinColumnInJoinTableDialog</code>.
	 *
	 * @param parent The parent shell
	 * @param joinColumn
	 */
	public JoinColumnInJoinTableDialog(Shell parent, IJoinTable joinTable) {

		super(parent);
		this.joinTable = joinTable;
	}

	/*
	 * (non-Javadoc)
	 */
	@Override
	protected JoinColumnInJoinTableStateObject buildStateObject() {

		if (joinTable != null) {
			return new JoinColumnInJoinTableStateObject(joinTable);
		}

		return new JoinColumnInJoinTableStateObject(getJoinColumn());
	}

	/*
	 * (non-Javadoc)
	 */
	@Override
	public IJoinColumn getJoinColumn() {
		return (IJoinColumn) super.getJoinColumn();
	}

	/*
	 * non-Javadoc)
	 */
	@Override
	protected void initializeMainPane(Composite container) {
		new AbstractJoinColumnDialogPane<JoinColumnInJoinTableStateObject>(
			getSubjectHolder(),
			container
		);
	}
}