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