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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.IViewerUpdate;
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81
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12 import org.eclipse.core.internal.databinding.observable.tree.TreePath;
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78
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13
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14 import java.lang.all;
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15
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16 import org.eclipse.core.runtime.IProgressMonitor;
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17 import org.eclipse.core.runtime.IStatus;
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18
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19 /**
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20 * A context sensitive viewer update request.
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21 *
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22 * @since 3.3
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23 */
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24 public interface IViewerUpdate : IProgressMonitor {
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25
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26 /**
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27 * Sets the status of this request, possibly <code>null</code>.
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28 * When a request fails, the status indicates why the request failed.
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29 * A <code>null</code> status is considered to be successful.
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30 *
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31 * @param status request status
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32 */
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33 public void setStatus(IStatus status);
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34
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35 /**
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36 * Returns the status of this request, or <code>null</code>.
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37 *
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38 * @return request status or <code>null</code>
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39 */
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40 public IStatus getStatus();
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41
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42 /**
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43 * Returns the model element corresponding to the given tree path.
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44 * Returns the root element for the empty path.
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45 *
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46 * @param path viewer tree path
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47 * @return corresponding model element
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48 */
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49 public Object getElement(TreePath path);
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50 }
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