org.eclipse.osbp.preferences.ui.page/src/org/eclipse/osbp/preferences/ui/component/PersistenceUnitsFieldEditor.java

/**
 *                                                                            
 * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 *                                                                            
 * All rights reserved. This program and the accompanying materials           
 * are made available under the terms of the Eclipse Public License 2.0        
 * which accompanies this distribution, and is available at                  
 * https://www.eclipse.org/legal/epl-2.0/                                 
 *                                 
 * SPDX-License-Identifier: EPL-2.0                                 
 *                                                                            
 * Contributors:   
 * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation 
 */
package org.eclipse.osbp.preferences.ui.component;

import java.util.Map;
import java.util.TreeMap;

import org.eclipse.osbp.preferences.IItemDescribed;
import org.eclipse.osbp.preferences.ItemDescription;
import org.eclipse.osbp.preferences.PersistenceUnitConfiguration;
import org.eclipse.osbp.preferences.PersistenceUnitConfiguration.PersistenceUnitItemDescription;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.TreeDescribedItem;
import org.eclipse.swt.widgets.TreeItem;

public class PersistenceUnitsFieldEditor extends ATreeFieldEditor {

	public PersistenceUnitsFieldEditor(String name, String labelText,
			Composite parent) {
		super(
			name, labelText, parent,
			PersistenceUnitItemDescription.INSTANCE);
	}

	@Override
	protected void _doLoad(String value, String defaults) {
		Map<String, PersistenceUnitConfiguration> dataItems = PersistenceUnitConfiguration.deserialize(value);
		Map<String, PersistenceUnitConfiguration> defaultItems = PersistenceUnitConfiguration.deserialize(defaults);
		for	(PersistenceUnitConfiguration dataItem : dataItems.values()) {
			new TreeDescribedItem(this, dataItem, defaultItems.get(dataItem.getName()));
		}
	}

	@Override
	protected String _doStore() {
		Map<String, PersistenceUnitConfiguration> dataItems = new TreeMap<String, PersistenceUnitConfiguration>();
		for	(TreeItem treeItem : tree.getItems()) {
			if	(treeItem instanceof IItemDescribed) {
				IItemDescribed describedItem = (IItemDescribed) treeItem;
				PersistenceUnitConfiguration dataItem = new PersistenceUnitConfiguration(
					describedItem.getName(),
					describedItem.getValue(PersistenceUnitItemDescription.JNDI_NAME),
					ItemDescription.parseBoolean(describedItem.getValue(PersistenceUnitItemDescription.DEPLOY_ON_STARTUP), true),
					ItemDescription.parseBoolean(describedItem.getValue(PersistenceUnitItemDescription.QUERY_CACHE), true),
					describedItem.getValue(PersistenceUnitItemDescription.BATCH_WRITING),
					ItemDescription.parseInt(describedItem.getValue(PersistenceUnitItemDescription.BATCH_WRITING_SIZE), 0),
					ItemDescription.parseBoolean(describedItem.getValue(PersistenceUnitItemDescription.CACHE_STATEMENTS), true),
					ItemDescription.parseInt(describedItem.getValue(PersistenceUnitItemDescription.CACHE_STATEMENTS_SIZE), 0),
					describedItem.getValue(PersistenceUnitItemDescription.LOGGING_LEVEL),
					describedItem.getValue(PersistenceUnitItemDescription.DDL_GENERATION),
					describedItem.getValue(PersistenceUnitItemDescription.PERSISTENCE_XML_PATH)
				);
				dataItems.put(dataItem.getName(), dataItem);
			}
		}
		return PersistenceUnitConfiguration.serialize(dataItems.values());
	}

	@Override
	protected boolean hasRemoveButton() {
		return true;
	}

	@Override
	protected boolean hasAddButton() {
		return true;
	}
}