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1 /*******************************************************************************
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2 * Copyright (c) 2006, 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 * 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.quickassist.QuickAssistAssistant;
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14
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15 import dwt.dwthelper.utils;
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16
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17
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18
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19
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20 import dwt.graphics.Color;
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21 import dwtx.core.commands.IHandler;
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22 import dwtx.jface.text.IDocument;
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23 import dwtx.jface.text.IInformationControlCreator;
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24 import dwtx.jface.text.ITextViewer;
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25 import dwtx.jface.text.contentassist.ContentAssistant;
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26 import dwtx.jface.text.contentassist.ICompletionListener;
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27 import dwtx.jface.text.contentassist.ICompletionProposal;
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28 import dwtx.jface.text.contentassist.IContentAssistProcessor;
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29 import dwtx.jface.text.contentassist.IContextInformation;
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30 import dwtx.jface.text.contentassist.IContextInformationValidator;
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31 import dwtx.jface.text.source.Annotation;
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32 import dwtx.jface.text.source.ISourceViewer;
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33 import dwtx.jface.text.source.TextInvocationContext;
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34
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35
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36 /**
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37 * Default implementation of <code>IQuickAssistAssistant</code>.
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38 *
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39 * @since 3.2
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40 */
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41 public class QuickAssistAssistant : IQuickAssistAssistant, IQuickAssistAssistantExtension {
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42
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43
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44 private static final class QuickAssistAssistantImpl : ContentAssistant {
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45 /*
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46 * @see dwtx.jface.text.contentassist.ContentAssistant#possibleCompletionsClosed()
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47 */
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48 public void possibleCompletionsClosed() {
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49 super.possibleCompletionsClosed();
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50 }
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51
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52 /*
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53 * @see dwtx.jface.text.contentassist.ContentAssistant#hide()
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54 * @since 3.4
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55 */
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56 protected void hide() {
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57 super.hide();
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58 }
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59 }
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60
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61
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62 private static final class ContentAssistProcessor : IContentAssistProcessor {
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63
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64 private IQuickAssistProcessor fQuickAssistProcessor;
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65
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66 ContentAssistProcessor(IQuickAssistProcessor processor) {
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67 fQuickAssistProcessor= processor;
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68 }
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69
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70 /*
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71 * @see dwtx.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(dwtx.jface.text.ITextViewer, int)
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72 */
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73 public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int offset) {
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74 // panic code - should not happen
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75 if (!(viewer instanceof ISourceViewer))
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76 return null;
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77
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78 return fQuickAssistProcessor.computeQuickAssistProposals(new TextInvocationContext((ISourceViewer)viewer, offset, -1));
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79 }
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80
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81 /*
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82 * @see dwtx.jface.text.contentassist.IContentAssistProcessor#computeContextInformation(dwtx.jface.text.ITextViewer, int)
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83 */
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84 public IContextInformation[] computeContextInformation(ITextViewer viewer, int offset) {
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85 return null;
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86 }
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87
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88 /*
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89 * @see dwtx.jface.text.contentassist.IContentAssistProcessor#getCompletionProposalAutoActivationCharacters()
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90 */
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91 public char[] getCompletionProposalAutoActivationCharacters() {
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92 return null;
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93 }
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94
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95 /*
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96 * @see dwtx.jface.text.contentassist.IContentAssistProcessor#getContextInformationAutoActivationCharacters()
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97 */
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98 public char[] getContextInformationAutoActivationCharacters() {
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99 return null;
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100 }
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101
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102 /*
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103 * @see dwtx.jface.text.contentassist.IContentAssistProcessor#getErrorMessage()
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104 */
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105 public String getErrorMessage() {
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106 return null;
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107 }
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108
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109 /*
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110 * @see dwtx.jface.text.contentassist.IContentAssistProcessor#getContextInformationValidator()
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111 */
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112 public IContextInformationValidator getContextInformationValidator() {
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113 return null;
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114 }
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115
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116 }
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117
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118 private QuickAssistAssistantImpl fQuickAssistAssistantImpl;
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119 private IQuickAssistProcessor fQuickAssistProcessor;
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120
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121 public QuickAssistAssistant() {
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122 fQuickAssistAssistantImpl= new QuickAssistAssistantImpl();
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123 fQuickAssistAssistantImpl.enableAutoActivation(false);
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124 fQuickAssistAssistantImpl.enableAutoInsert(false);
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125 }
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126
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127 /*
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128 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#showPossibleQuickAssists()
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129 */
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130 public String showPossibleQuickAssists() {
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131 return fQuickAssistAssistantImpl.showPossibleCompletions();
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132 }
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133
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134 /*
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135 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#getQuickAssistProcessor(java.lang.String)
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136 */
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137 public IQuickAssistProcessor getQuickAssistProcessor() {
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138 return fQuickAssistProcessor;
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139 }
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140
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141 /*
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142 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#setQuickAssistProcessor(dwtx.jface.text.quickassist.IQuickAssistProcessor)
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143 */
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144 public void setQuickAssistProcessor(IQuickAssistProcessor processor) {
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145 fQuickAssistProcessor= processor;
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146 fQuickAssistAssistantImpl.setDocumentPartitioning("__" + getClass().getName() + "_partitioning"); //$NON-NLS-1$ //$NON-NLS-2$
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147 fQuickAssistAssistantImpl.setContentAssistProcessor(new ContentAssistProcessor(processor), IDocument.DEFAULT_CONTENT_TYPE);
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148 }
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149
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150 /*
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151 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#canFix(dwtx.jface.text.source.Annotation)
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152 */
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153 public bool canFix(Annotation annotation) {
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154 return fQuickAssistProcessor !is null && fQuickAssistProcessor.canFix(annotation);
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155 }
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156
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157 /*
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158 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#canAssist(dwtx.jface.text.quickassist.IQuickAssistInvocationContext)
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159 */
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160 public bool canAssist(IQuickAssistInvocationContext invocationContext) {
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161 return fQuickAssistProcessor !is null && fQuickAssistProcessor.canAssist(invocationContext);
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162 }
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163
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164 /*
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165 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#install(dwtx.jface.text.ITextViewer)
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166 */
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167 public void install(ISourceViewer sourceViewer) {
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168 fQuickAssistAssistantImpl.install(sourceViewer);
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169 }
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170
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171 /*
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172 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#setInformationControlCreator(dwtx.jface.text.IInformationControlCreator)
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173 */
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174 public void setInformationControlCreator(IInformationControlCreator creator) {
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175 fQuickAssistAssistantImpl.setInformationControlCreator(creator);
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176 }
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177
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178 /*
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179 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#uninstall()
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180 */
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181 public void uninstall() {
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182 fQuickAssistAssistantImpl.uninstall();
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183 }
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184
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185 /*
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186 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#setProposalSelectorBackground(dwt.graphics.Color)
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187 */
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188 public void setProposalSelectorBackground(Color background) {
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189 fQuickAssistAssistantImpl.setProposalSelectorBackground(background);
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190 }
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191
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192 /*
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193 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#setProposalSelectorForeground(dwt.graphics.Color)
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194 */
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195 public void setProposalSelectorForeground(Color foreground) {
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196 fQuickAssistAssistantImpl.setProposalSelectorForeground(foreground);
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197 }
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198
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199 /**
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200 * Callback to signal this quick assist assistant that the presentation of the
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201 * possible completions has been stopped.
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202 */
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203 protected void possibleCompletionsClosed() {
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204 fQuickAssistAssistantImpl.possibleCompletionsClosed();
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205 }
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206
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207 /*
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208 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#addCompletionListener(dwtx.jface.text.contentassist.ICompletionListener)
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209 */
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210 public void addCompletionListener(ICompletionListener listener) {
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211 fQuickAssistAssistantImpl.addCompletionListener(listener);
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212 }
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213
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214 /*
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215 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#removeCompletionListener(dwtx.jface.text.contentassist.ICompletionListener)
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216 */
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217 public void removeCompletionListener(ICompletionListener listener) {
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218 fQuickAssistAssistantImpl.removeCompletionListener(listener);
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219 }
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220
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221 /*
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222 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#setStatusLineVisible(bool)
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223 */
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224 public void setStatusLineVisible(bool show) {
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225 fQuickAssistAssistantImpl.setStatusLineVisible(show);
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226
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227 }
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228
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229 /*
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230 * @see dwtx.jface.text.quickassist.IQuickAssistAssistant#setStatusMessage(java.lang.String)
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231 */
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232 public void setStatusMessage(String message) {
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233 fQuickAssistAssistantImpl.setStatusMessage(message);
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234 }
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235
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236 /**
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237 * {@inheritDoc}
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238 *
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239 * @since 3.4
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240 */
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241 public final IHandler getHandler(String commandId) {
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242 return fQuickAssistAssistantImpl.getHandler(commandId);
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243 }
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244
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245 /**
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246 * Hides any open pop-ups.
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247 *
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248 * @since 3.4
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249 */
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250 protected void hide() {
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251 fQuickAssistAssistantImpl.hide();
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252 }
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253
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254 /**
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255 * {@inheritDoc}
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256 *
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257 * @since 3.4
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258 */
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259 public void enableColoredLabels(bool isEnabled) {
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260 fQuickAssistAssistantImpl.enableColoredLabels(isEnabled);
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261 }
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262
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263 }
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