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annotate org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet005MenuUpdater.d @ 99:5d5bd660917f

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build some databind snippets
author Frank Benoit <benoit@tionex.de>
date Wed, 22 Apr 2009 18:59:26 +0200
parents 6086085e153d
children
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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 * Brad Reynolds - bug 116920
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11 *******************************************************************************/
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12 module org.eclipse.jface.examples.databinding.snippets.Snippet005MenuUpdater;
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13
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14 import java.lang.all;
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16 import java.util.Date;
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17 import java.util.Iterator;
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18
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19 import org.eclipse.core.databinding.observable.Realm;
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20 import org.eclipse.core.databinding.observable.list.WritableList;
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21 import org.eclipse.jface.databinding.swt.SWTObservables;
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22 import org.eclipse.jface.internal.databinding.provisional.swt.MenuUpdater;
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23 import org.eclipse.swt.SWT;
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24 import org.eclipse.swt.widgets.Display;
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25 import org.eclipse.swt.widgets.Menu;
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26 import org.eclipse.swt.widgets.MenuItem;
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27 import org.eclipse.swt.widgets.Shell;
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29 import tango.io.Stdout;
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31 /**
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32 */
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33 public class Snippet005MenuUpdater {
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34 public static void main(String[] args) {
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35 void add(Display d, WritableList menuItemStrings){
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36 Stdout.formatln("adding item");
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37 menuItemStrings.add(stringcast((new Date()).toString()));
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38 d.timerExec(5000, dgRunnable( &add, d, menuItemStrings ));
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39 }
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40 final Display display = new Display();
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41 Realm.runWithDefault(SWTObservables.getRealm(display), dgRunnable( (Display display_) {
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42 Shell shell = new Shell(display_);
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44 final WritableList menuItemStrings = new WritableList();
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45 display_.asyncExec(dgRunnable( &add, display_, menuItemStrings));
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47 Menu bar = new Menu(shell, SWT.BAR);
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48 shell.setMenuBar(bar);
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49 MenuItem fileItem = new MenuItem(bar, SWT.CASCADE);
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50 fileItem.setText("&Test Menu");
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51 final Menu submenu = new Menu(shell, SWT.DROP_DOWN);
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52 fileItem.setMenu(submenu);
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53 new class( submenu) MenuUpdater {
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54 this( Menu m ){
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55 super(m);
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56 }
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57 protected void updateMenu() {
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58 Stdout.formatln("updating menu");
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59 MenuItem[] items = submenu.getItems();
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60 int itemIndex = 0;
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61 for (Iterator it = menuItemStrings.iterator(); it
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62 .hasNext();) {
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63 MenuItem item;
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64 if (itemIndex < items.length) {
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65 item = items[itemIndex++];
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66 } else {
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67 item = new MenuItem(submenu, SWT.NONE);
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68 }
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69 String string = stringcast( it.next());
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70 item.setText(string);
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71 }
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72 while (itemIndex < items.length) {
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73 items[itemIndex++].dispose();
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74 }
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75 }
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76 };
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78 shell.open();
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80 // The SWT event loop
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81 while (!shell.isDisposed()) {
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82 if (!display_.readAndDispatch()) {
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83 display_.sleep();
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84 }
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85 }
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86 }, display));
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87 display.dispose();
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88 }
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89 }
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91 void main( String[] args ){
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92 Snippet005MenuUpdater.main(args);
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93 }
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94