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1 /*******************************************************************************
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2 * Copyright (c) 2005, 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 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.jface.text.contentassist.ICompletionListener;
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14
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15 import dwt.dwthelper.utils;
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16
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17
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18 /**
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19 * A completion listener is informed before the content assistant computes completion proposals.
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20 * <p>
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21 * In order to provide backward compatibility for clients of <code>ICompletionListener</code>, extension
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22 * interfaces are used to provide a means of evolution. The following extension interfaces exist:
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23 * <ul>
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24 * <li>{@link dwtx.jface.text.contentassist.ICompletionListenerExtension} since version 3.4 introducing
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25 * the following functions:
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26 * <ul>
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27 * <li>additional notification about restarting the current code assist session</li>
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28 * </ul>
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29 * </li>
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30 * </ul>
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31 * </p>
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32 *
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33 * <p>
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34 * Clients may implement this interface.
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35 * </p>
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36 *
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37 * @since 3.2
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38 */
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39 public interface ICompletionListener {
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40 /**
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41 * Called when code assist is invoked when there is no current code assist session.
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42 *
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43 * @param event the content assist event
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44 */
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45 void assistSessionStarted(ContentAssistEvent event);
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46
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47 /**
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48 * Called when a code assist session ends (for example, the proposal popup is closed).
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49 *
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50 * @param event the content assist event
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51 */
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52 void assistSessionEnded(ContentAssistEvent event);
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53
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54 /**
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55 * Called when the selection in the proposal popup is changed or if the insert-mode changed.
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56 *
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57 * @param proposal the newly selected proposal, possibly <code>null</code>
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58 * @param smartToggle <code>true</code> if the insert-mode toggle is being pressed,
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59 * <code>false</code> otherwise
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60 */
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61 void selectionChanged(ICompletionProposal proposal, bool smartToggle);
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62 }
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