NewRelationshipAction.java

/*
 * ====================================================================
 * 
 * The ObjectStyle Group Software License, Version 1.0
 * 
 * Copyright (c) 2006 The ObjectStyle Group and individual authors of the
 * software. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 * 1. Redistributions of source code must retain the above copyright notice,
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 * 3. The end-user documentation included with the redistribution, if any, must
 * include the following acknowlegement: "This product includes software
 * developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
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package org.objectstyle.wolips.eomodeler.actions;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.objectstyle.wolips.eomodeler.Messages;
import org.objectstyle.wolips.eomodeler.core.model.EOEntity;
import org.objectstyle.wolips.eomodeler.core.utils.EOModelUtils;
import org.objectstyle.wolips.eomodeler.editors.entity.CreateRelationshipDialog;

public class NewRelationshipAction extends EMAction {
	public void run(IAction action) {
		EOEntity entity1 = null;
		EOEntity entity2 = null;
		Object[] selectedObjects = getSelectedObjects();
		if (selectedObjects != null) {
			if (selectedObjects.length == 1) {
				entity1 = EOModelUtils.getRelatedEntity(selectedObjects[0]);
			} else if (selectedObjects.length == 2) {
				entity1 = EOModelUtils.getRelatedEntity(selectedObjects[0]);
				entity2 = EOModelUtils.getRelatedEntity(selectedObjects[1]);
			}
		}
		if (entity1 != null && entity2 != null) {
			CreateRelationshipDialog dialog = new CreateRelationshipDialog(getWindow().getShell(), entity1.getModel().getModelGroup(), entity1, entity2);
			dialog.open();
		} else if (entity1 != null) {
			CreateRelationshipDialog dialog = new CreateRelationshipDialog(getWindow().getShell(), entity1.getModel().getModelGroup(), entity1, null);
			dialog.open();
			// entity1.addBlankRelationship(Messages.getString("EORelationship.newName"));
		} else {
			MessageDialog.openError(getWindow().getShell(), Messages.getString("EORelationship.noEntitySelectedTitle"), Messages.getString("EORelationship.noEntitySelectedMessage"));//$NON-NLS-1$
		}
	}
}