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1 /*******************************************************************************
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2 * Copyright (c) 2006, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 *******************************************************************************/
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11
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12 module org.eclipse.core.internal.databinding.observable.tree.IOrderedTreeProvider;
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81
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13 import org.eclipse.core.internal.databinding.observable.tree.TreePath;
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78
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14
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15 import java.lang.all;
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16
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17 import org.eclipse.core.databinding.observable.Realm;
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18 import org.eclipse.core.databinding.observable.list.IObservableList;
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19
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20 /**
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21 * Objects that implement this interface are capable of describing a tree by
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22 * returning the list of children of any given element in the tree.
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23 *
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24 * @since 3.3
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25 */
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26 public interface IOrderedTreeProvider {
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27 /**
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28 * Returns the children of the given element, or null if the element is a
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29 * leaf node. The caller of this method is expected to dispose the result
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30 * list when it is no longer needed.
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31 *
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32 * @param element
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33 * the tree path of the element to query
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34 * @return the children of the given element, or null if the element is a
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35 * leaf node
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36 */
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37 IObservableList createChildList(TreePath element);
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38
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39 /**
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40 * @return the realm shared by all child lists
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41 */
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42 Realm getRealm();
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43 }
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