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1 /*******************************************************************************
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2 * Copyright (c) 2005, 2008 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 164653
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11 * Matt Carter - bug 170668
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12 * Brad Reynolds - bug 170848
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13 *******************************************************************************/
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14 module org.eclipse.jface.internal.databinding.swt.ControlObservableValue;
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85
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15 import org.eclipse.jface.internal.databinding.swt.SWTProperties;
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78
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16
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17 import java.lang.all;
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18
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19 import java.util.HashMap;
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20 import java.util.Map;
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21
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22 import org.eclipse.core.databinding.observable.Diffs;
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23 import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
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24 import org.eclipse.swt.graphics.Color;
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25 import org.eclipse.swt.graphics.Font;
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26 import org.eclipse.swt.widgets.Control;
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27
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28 /**
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29 * @since 1.0
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30 *
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31 */
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32 public class ControlObservableValue : AbstractSWTObservableValue {
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33
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34 private final Control control;
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35
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36 private final String attribute;
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37
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38 private Object valueType;
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39
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40 private static Map SUPPORTED_ATTRIBUTES;
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41 static this() {
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42 SUPPORTED_ATTRIBUTES = new HashMap();
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43 SUPPORTED_ATTRIBUTES.put(SWTProperties.ENABLED, Boolean.TYPE);
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44 SUPPORTED_ATTRIBUTES.put(SWTProperties.VISIBLE, Boolean.TYPE);
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45 SUPPORTED_ATTRIBUTES.put(SWTProperties.TOOLTIP_TEXT, Class.fromType!(String));
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46 SUPPORTED_ATTRIBUTES.put(SWTProperties.FOREGROUND, Class.fromType!(Color));
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47 SUPPORTED_ATTRIBUTES.put(SWTProperties.BACKGROUND, Class.fromType!(Color));
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48 SUPPORTED_ATTRIBUTES.put(SWTProperties.FONT, Class.fromType!(Font));
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49 }
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50
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51 /**
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52 * @param control
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53 * @param attribute
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54 */
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55 public this(Control control, String attribute) {
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56 super(control);
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57 this.control = control;
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58 this.attribute = attribute;
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59 if (SUPPORTED_ATTRIBUTES.keySet().contains(attribute)) {
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60 this.valueType = SUPPORTED_ATTRIBUTES.get(attribute);
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61 } else {
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62 throw new IllegalArgumentException(null);
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63 }
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64 }
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65
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66 public void doSetValue(Object value) {
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67 Object oldValue = doGetValue();
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68 if (attribute.equals(SWTProperties.ENABLED)) {
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69 control.setEnabled((cast(Boolean) value).booleanValue());
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70 } else if (attribute.equals(SWTProperties.VISIBLE)) {
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71 control.setVisible((cast(Boolean) value).booleanValue());
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72 } else if (attribute.equals(SWTProperties.TOOLTIP_TEXT)) {
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73 control.setToolTipText(stringcast(value));
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74 } else if (attribute.equals(SWTProperties.FOREGROUND)) {
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75 control.setForeground(cast(Color) value);
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76 } else if (attribute.equals(SWTProperties.BACKGROUND)) {
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77 control.setBackground(cast(Color) value);
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78 } else if (attribute.equals(SWTProperties.FONT)) {
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79 control.setFont(cast(Font) value);
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80 }
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81 fireValueChange(Diffs.createValueDiff(oldValue, value));
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82 }
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83
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84 public Object doGetValue() {
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85 if (attribute.equals(SWTProperties.ENABLED)) {
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86 return control.getEnabled() ? Boolean.TRUE : Boolean.FALSE;
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87 }
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88 if (attribute.equals(SWTProperties.VISIBLE)) {
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89 return control.getVisible() ? Boolean.TRUE : Boolean.FALSE;
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90 }
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91 if (attribute.equals(SWTProperties.TOOLTIP_TEXT)) {
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92 return stringcast(control.getToolTipText());
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93 }
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94 if (attribute.equals(SWTProperties.FOREGROUND)) {
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95 return control.getForeground();
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96 }
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97 if (attribute.equals(SWTProperties.BACKGROUND)) {
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98 return control.getBackground();
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99 }
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100 if (attribute.equals(SWTProperties.FONT)) {
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101 return control.getFont();
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102 }
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103
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104 return null;
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105 }
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106
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107 public Object getValueType() {
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108 return valueType;
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109 }
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110 }
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