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1 /*******************************************************************************
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2 * Copyright (c) 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.source.ContentAssistantFacade;
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14
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131
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15 import dwtx.jface.text.source.ISharedTextColors; // packageimport
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16 import dwtx.jface.text.source.ILineRange; // packageimport
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17 import dwtx.jface.text.source.IAnnotationPresentation; // packageimport
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18 import dwtx.jface.text.source.IVerticalRulerInfoExtension; // packageimport
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19 import dwtx.jface.text.source.ICharacterPairMatcher; // packageimport
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20 import dwtx.jface.text.source.TextInvocationContext; // packageimport
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21 import dwtx.jface.text.source.LineChangeHover; // packageimport
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22 import dwtx.jface.text.source.IChangeRulerColumn; // packageimport
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23 import dwtx.jface.text.source.IAnnotationMap; // packageimport
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24 import dwtx.jface.text.source.IAnnotationModelListenerExtension; // packageimport
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25 import dwtx.jface.text.source.ISourceViewerExtension2; // packageimport
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26 import dwtx.jface.text.source.IAnnotationHover; // packageimport
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27 import dwtx.jface.text.source.IAnnotationAccess; // packageimport
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28 import dwtx.jface.text.source.IVerticalRulerExtension; // packageimport
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29 import dwtx.jface.text.source.IVerticalRulerColumn; // packageimport
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30 import dwtx.jface.text.source.LineNumberRulerColumn; // packageimport
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31 import dwtx.jface.text.source.MatchingCharacterPainter; // packageimport
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32 import dwtx.jface.text.source.IAnnotationModelExtension; // packageimport
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33 import dwtx.jface.text.source.ILineDifferExtension; // packageimport
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34 import dwtx.jface.text.source.DefaultCharacterPairMatcher; // packageimport
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35 import dwtx.jface.text.source.LineNumberChangeRulerColumn; // packageimport
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36 import dwtx.jface.text.source.IAnnotationAccessExtension; // packageimport
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37 import dwtx.jface.text.source.ISourceViewer; // packageimport
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38 import dwtx.jface.text.source.AnnotationModel; // packageimport
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39 import dwtx.jface.text.source.ILineDifferExtension2; // packageimport
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40 import dwtx.jface.text.source.IAnnotationModelListener; // packageimport
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41 import dwtx.jface.text.source.IVerticalRuler; // packageimport
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42 import dwtx.jface.text.source.DefaultAnnotationHover; // packageimport
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43 import dwtx.jface.text.source.SourceViewer; // packageimport
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44 import dwtx.jface.text.source.SourceViewerConfiguration; // packageimport
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45 import dwtx.jface.text.source.AnnotationBarHoverManager; // packageimport
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46 import dwtx.jface.text.source.CompositeRuler; // packageimport
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47 import dwtx.jface.text.source.ImageUtilities; // packageimport
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48 import dwtx.jface.text.source.VisualAnnotationModel; // packageimport
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49 import dwtx.jface.text.source.IAnnotationModel; // packageimport
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50 import dwtx.jface.text.source.ISourceViewerExtension3; // packageimport
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51 import dwtx.jface.text.source.ILineDiffInfo; // packageimport
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52 import dwtx.jface.text.source.VerticalRulerEvent; // packageimport
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53 import dwtx.jface.text.source.ChangeRulerColumn; // packageimport
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54 import dwtx.jface.text.source.ILineDiffer; // packageimport
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55 import dwtx.jface.text.source.AnnotationModelEvent; // packageimport
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56 import dwtx.jface.text.source.AnnotationColumn; // packageimport
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57 import dwtx.jface.text.source.AnnotationRulerColumn; // packageimport
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58 import dwtx.jface.text.source.IAnnotationHoverExtension; // packageimport
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59 import dwtx.jface.text.source.AbstractRulerColumn; // packageimport
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60 import dwtx.jface.text.source.ISourceViewerExtension; // packageimport
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61 import dwtx.jface.text.source.AnnotationMap; // packageimport
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62 import dwtx.jface.text.source.IVerticalRulerInfo; // packageimport
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63 import dwtx.jface.text.source.IAnnotationModelExtension2; // packageimport
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64 import dwtx.jface.text.source.LineRange; // packageimport
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65 import dwtx.jface.text.source.IAnnotationAccessExtension2; // packageimport
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66 import dwtx.jface.text.source.VerticalRuler; // packageimport
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67 import dwtx.jface.text.source.JFaceTextMessages; // packageimport
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68 import dwtx.jface.text.source.IOverviewRuler; // packageimport
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69 import dwtx.jface.text.source.Annotation; // packageimport
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70 import dwtx.jface.text.source.IVerticalRulerListener; // packageimport
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71 import dwtx.jface.text.source.ISourceViewerExtension4; // packageimport
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72 import dwtx.jface.text.source.AnnotationPainter; // packageimport
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73 import dwtx.jface.text.source.IAnnotationHoverExtension2; // packageimport
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74 import dwtx.jface.text.source.OverviewRuler; // packageimport
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75 import dwtx.jface.text.source.OverviewRulerHoverManager; // packageimport
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76
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77
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129
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78 import dwt.dwthelper.utils;
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79
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80
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81
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82 import dwtx.core.commands.IHandler;
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83 import dwtx.core.runtime.Assert;
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84 import dwtx.jface.text.contentassist.ICompletionListener;
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85 import dwtx.jface.text.contentassist.IContentAssistant;
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86 import dwtx.jface.text.contentassist.IContentAssistantExtension2;
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87 import dwtx.jface.text.contentassist.IContentAssistantExtension4;
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88
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89
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90 /**
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91 * Facade to allow minimal access to the given content assistant.
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92 * <p>
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93 * The offered API access can grow over time.
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94 * </p>
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95 *
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96 * @since 3.4
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97 */
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98 public final class ContentAssistantFacade {
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99
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100 private IContentAssistant fContentAssistant;
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101
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102 /**
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103 * Creates a new facade.
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104 *
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105 * @param contentAssistant the content assistant which implements {@link IContentAssistantExtension2} and {@link IContentAssistantExtension4}
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106 */
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107 public ContentAssistantFacade(IContentAssistant contentAssistant) {
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108 Assert.isLegal(contentAssistant instanceof IContentAssistantExtension4 && contentAssistant instanceof IContentAssistantExtension4);
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109 fContentAssistant= contentAssistant;
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110 }
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111
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112 /**
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113 * Returns the handler for the given command identifier.
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114 * <p>
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115 * The same handler instance will be returned when called a more than once
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116 * with the same command identifier.
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117 * </p>
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118 *
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119 * @param commandId the command identifier
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120 * @return the handler for the given command identifier
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121 * @throws IllegalArgumentException if the command is not supported by this
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122 * content assistant
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123 * @throws IllegalStateException if called when the content assistant is
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124 * uninstalled
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125 */
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126 public IHandler getHandler(String commandId) {
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127 if (fContentAssistant is null)
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128 throw new IllegalStateException();
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129 return ((IContentAssistantExtension4)fContentAssistant).getHandler(commandId);
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130 }
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131
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132 /**
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133 * Adds a completion listener that will be informed before proposals are
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134 * computed.
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135 *
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136 * @param listener the listener
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137 * @throws IllegalStateException if called when the content assistant is
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138 * uninstalled
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139 */
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140 public void addCompletionListener(ICompletionListener listener) {
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141 if (fContentAssistant is null)
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142 throw new IllegalStateException();
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143 ((IContentAssistantExtension2)fContentAssistant).addCompletionListener(listener);
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144 }
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145
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146 /**
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147 * Removes a completion listener.
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148 *
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149 * @param listener the listener to remove
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150 * @throws IllegalStateException if called when the content assistant is
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151 * uninstalled
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152 */
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153 public void removeCompletionListener(ICompletionListener listener) {
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154 ((IContentAssistantExtension2)fContentAssistant).removeCompletionListener(listener);
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155 }
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156
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157 }
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