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More snippets, thanks to Tom D.
author Frank Benoit <benoit@tionex.de>
date Sun, 20 Jul 2008 15:26:06 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2004 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 * D Port:
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11 * Thomas Demmer <t_demmer AT web DOT de>
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12 *******************************************************************************/
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13 module combo.Snippet289;
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14
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15 /*
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16 * Combo example snippet: add an item to a combo box
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17 *
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18 * For a list of all SWT example snippets see
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19 * http://www.eclipse.org/swt/snippets/
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20 */
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21 import dwt.DWT;
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22 import dwt.events.TraverseListener;
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23 import dwt.events.VerifyListener;
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24 import dwt.graphics.Point;
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25 import dwt.layout.FillLayout;
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26 import dwt.widgets.Combo;
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27 import dwt.widgets.Display;
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28 import dwt.widgets.Shell;
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29 import dwt.dwthelper.utils;
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30
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31 void main(String[] args) {
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32 Display display = new Display();
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33 Shell shell = new Shell(display);
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34 shell.setLayout(new FillLayout());
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35 Combo combo = new Combo(shell, DWT.NONE);
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36 combo.setItems(["1111", "2222", "3333", "4444"]);
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37 combo.setText(combo.getItem(0));
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38 combo.addVerifyListener(new class() VerifyListener{
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39 public void verifyText(VerifyEvent e) {
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40 String newText = e.text;
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41 try {
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42 Integer.parseInt(newText);
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43 } catch (NumberFormatException ex) {
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44 e.doit = false;
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45 }
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46 }
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47 });
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48 combo.addTraverseListener(new class() TraverseListener {
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49 public void keyTraversed(TraverseEvent e) {
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50 if (e.detail == DWT.TRAVERSE_RETURN) {
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51 e.doit = false;
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52 e.detail = DWT.TRAVERSE_NONE;
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53 String newText = combo.getText();
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54 try {
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55 Integer.parseInt(newText);
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56 combo.add(newText);
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57 combo.setSelection(new Point(0, newText.length));
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58 } catch (NumberFormatException ex) {
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59 }
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60 }
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61 }
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62 });
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63
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64 shell.pack();
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65 shell.open();
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66 while (!shell.isDisposed()) {
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67 if (!display.readAndDispatch())
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68 display.sleep();
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69 }
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70 display.dispose();
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71 }