SubclassEntityAction.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
 * third-party acknowlegements normally appear.
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 * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse or
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 * For written permission, please contact andrus@objectstyle.org.
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 * 5. Products derived from this software may not be called "ObjectStyle" nor
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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.jface.window.Window;
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.EOEntity;
import org.objectstyle.wolips.eomodeler.core.model.EOModel;
import org.objectstyle.wolips.eomodeler.core.model.IEOEntityRelative;
import org.objectstyle.wolips.eomodeler.core.model.InheritanceType;
import org.objectstyle.wolips.eomodeler.core.utils.EOModelUtils;
import org.objectstyle.wolips.eomodeler.editors.entity.SubclassEntityDialog;

public class SubclassEntityAction extends EMAction {
	public void run(IAction action) {
		EOModel model = null;
		EOEntity entity = null;
		Object selectedObject = getSelectedObject();
		if (selectedObject instanceof EOModel) {
			model = (EOModel) selectedObject;
		} else if (selectedObject instanceof IEOEntityRelative) {
			entity = ((IEOEntityRelative) selectedObject).getEntity();
			model = entity.getModel();
		}
		if (model != null) {
			SubclassEntityDialog dialog = new SubclassEntityDialog(getWindow().getShell(), model, entity, model.getModelGroup().getEditingModel());
			dialog.setBlockOnOpen(true);
			int results = dialog.open();
			if (results == Window.OK) {
				String entityName = dialog.getEntityName();
				if (entityName != null && entityName.trim().length() > 0) {
					try {
						EOEntity parentEntity = dialog.getParentEntity();
						InheritanceType inheritanceType = dialog.getInheritanceType();
						String restrictingQualifier = dialog.getRestrictingQualifier();
						EOModel destinationModel = dialog.getDestinationModel();
						SubclassOperation operation = new SubclassOperation(parentEntity, inheritanceType, destinationModel, entityName, restrictingQualifier);
						operation.addContext(EOModelUtils.getUndoContext(model));
						IOperationHistory operationHistory = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
						operationHistory.execute(operation, null, null);
					} catch (Throwable e) {
						ErrorUtils.openErrorDialog(Display.getDefault().getActiveShell(), e);
					}
				} else {
					MessageDialog.openError(getWindow().getShell(), Messages.getString("Subclass.noEntityNameTitle"), Messages.getString("Subclass.noEntityNameMessage"));//$NON-NLS-1$
				}
			}
		} else {
			MessageDialog.openError(getWindow().getShell(), Messages.getString("Subclass.noModelSelectedTitle"), Messages.getString("Subclass.noModelSelectedMessage"));//$NON-NLS-1$
		}
	}
}