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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 module org.eclipse.core.internal.databinding.observable.tree.IHasChildrenUpdate;
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81
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12 import org.eclipse.core.internal.databinding.observable.tree.TreePath;
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13 import org.eclipse.core.internal.databinding.observable.tree.IViewerUpdate;
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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 /**
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18 * Context sensitive update request for whether elements have children.
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19 *
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20 * @since 3.3
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21 */
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22 public interface IHasChildrenUpdate : IViewerUpdate {
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23
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24 /**
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25 * The elements this request is for specified as tree paths. An empty path
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26 * identifies the root element.
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27 *
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28 * @return elements as tree paths
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29 */
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30 public TreePath[] getElements();
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31
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32 /**
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33 * Sets whether the given element has children.
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34 *
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35 * @param element
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36 * tree path to element, or empty for root element
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37 * @param hasChildren
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38 * whether it has children
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39 */
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40 public void setHasChilren(TreePath element, bool hasChildren);
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41 }
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