FlattenAction.java

/*
 * ====================================================================
 * 
 * The ObjectStyle Group Software License, Version 1.0
 * 
 * Copyright (c) 2006 The ObjectStyle Group and individual authors of the
 * software. All rights reserved.
 * 
 * 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,
 * this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce 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,
 * this acknowlegement may appear in the software itself, if and wherever such
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package org.objectstyle.wolips.eomodeler.actions;

import org.eclipse.core.commands.operations.IOperationHistory;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PlatformUI;
import org.objectstyle.wolips.baseforuiplugins.utils.ErrorUtils;
import org.objectstyle.wolips.eomodeler.Messages;
import org.objectstyle.wolips.eomodeler.core.model.AbstractEOAttributePath;
import org.objectstyle.wolips.eomodeler.core.utils.EOModelUtils;

public class FlattenAction extends EMAction {
	public void run(IAction action) {
		try {
			AbstractEOAttributePath attributePath = null;
			Object selectedObject = getSelectedObject();
			if (selectedObject instanceof AbstractEOAttributePath) {
				attributePath = (AbstractEOAttributePath) selectedObject;
			}

			if (attributePath != null) {
				FlattenOperation operation = new FlattenOperation(attributePath);
				operation.addContext(EOModelUtils.getUndoContext(attributePath));
				IOperationHistory operationHistory = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
				operationHistory.execute(operation, null, null);
			} else {
				MessageDialog.openError(getWindow().getShell(), Messages.getString("EORelationship.noRelationshipOrAttributeSelectedTitle"), Messages.getString("EORelationship.noRelationshipOrAttributeSelectedMessage"));//$NON-NLS-1$
			}
		} catch (Throwable e) {
			ErrorUtils.openErrorDialog(Display.getDefault().getActiveShell(), e);
		}
	}
}