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1 /*******************************************************************************
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2 * Copyright (c) 2000, 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 dwtexamples.controlexample.AlignableTab;
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14
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15
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16
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17 import dwt.DWT;
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18 import dwt.events.SelectionAdapter;
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19 import dwt.events.SelectionEvent;
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20 import dwt.events.SelectionListener;
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21 import dwt.layout.GridData;
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22 import dwt.layout.GridLayout;
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23 import dwt.widgets.Button;
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24 import dwt.widgets.Group;
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25 import dwt.widgets.Widget;
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26
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27 import dwtexamples.controlexample.Tab;
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28 import dwtexamples.controlexample.ControlExample;
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29
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30 /**
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31 * <code>AlignableTab</code> is the abstract
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32 * superclass of example controls that can be
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33 * aligned.
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34 */
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35 abstract class AlignableTab : Tab {
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36
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37 /* Alignment Controls */
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38 Button leftButton, rightButton, centerButton;
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39
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40 /* Alignment Group */
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41 Group alignmentGroup;
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42
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43 /**
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44 * Creates the Tab within a given instance of ControlExample.
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45 */
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46 this(ControlExample instance) {
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47 super(instance);
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48 }
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49
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50 /**
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51 * Creates the "Other" group.
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52 */
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53 void createOtherGroup () {
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54 super.createOtherGroup ();
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55
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56 /* Create the group */
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57 alignmentGroup = new Group (otherGroup, DWT.NONE);
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58 alignmentGroup.setLayout (new GridLayout ());
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59 alignmentGroup.setLayoutData (new GridData(GridData.HORIZONTAL_ALIGN_FILL |
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60 GridData.VERTICAL_ALIGN_FILL));
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61 alignmentGroup.setText (ControlExample.getResourceString("Alignment"));
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62
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63 /* Create the controls */
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64 leftButton = new Button (alignmentGroup, DWT.RADIO);
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65 leftButton.setText (ControlExample.getResourceString("Left"));
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66 centerButton = new Button (alignmentGroup, DWT.RADIO);
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67 centerButton.setText(ControlExample.getResourceString("Center"));
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68 rightButton = new Button (alignmentGroup, DWT.RADIO);
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69 rightButton.setText (ControlExample.getResourceString("Right"));
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70
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71 /* Add the listeners */
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72 SelectionListener selectionListener = new class() SelectionAdapter {
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73 public void widgetSelected(SelectionEvent event) {
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74 if (!(cast(Button) event.widget).getSelection ()) return;
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75 setExampleWidgetAlignment ();
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76 }
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77 };
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78 leftButton.addSelectionListener (selectionListener);
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79 centerButton.addSelectionListener (selectionListener);
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80 rightButton.addSelectionListener (selectionListener);
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81 }
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82
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83 /**
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84 * Sets the alignment of the "Example" widgets.
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85 */
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86 abstract void setExampleWidgetAlignment ();
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87
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88 /**
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89 * Sets the state of the "Example" widgets.
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90 */
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91 void setExampleWidgetState () {
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92 super.setExampleWidgetState ();
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93 Widget [] widgets = getExampleWidgets ();
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94 if (widgets.length !is 0) {
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95 leftButton.setSelection ((widgets [0].getStyle () & DWT.LEFT) !is 0);
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96 centerButton.setSelection ((widgets [0].getStyle () & DWT.CENTER) !is 0);
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97 rightButton.setSelection ((widgets [0].getStyle () & DWT.RIGHT) !is 0);
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98 }
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99 }
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100 }
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