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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 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.contentassist.CompletionProposal;
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14
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131
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15 import dwtx.jface.text.contentassist.ContentAssistEvent; // packageimport
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16 import dwtx.jface.text.contentassist.Helper; // packageimport
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17 import dwtx.jface.text.contentassist.PopupCloser; // packageimport
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18 import dwtx.jface.text.contentassist.IContentAssistant; // packageimport
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19 import dwtx.jface.text.contentassist.ICompletionProposalExtension5; // packageimport
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20 import dwtx.jface.text.contentassist.IContextInformationValidator; // packageimport
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21 import dwtx.jface.text.contentassist.IContentAssistListener; // packageimport
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22 import dwtx.jface.text.contentassist.ICompletionProposalExtension6; // packageimport
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23 import dwtx.jface.text.contentassist.ICompletionListener; // packageimport
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24 import dwtx.jface.text.contentassist.ICompletionProposalExtension2; // packageimport
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25 import dwtx.jface.text.contentassist.IContentAssistantExtension4; // packageimport
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26 import dwtx.jface.text.contentassist.ContextInformation; // packageimport
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27 import dwtx.jface.text.contentassist.ICompletionProposalExtension3; // packageimport
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28 import dwtx.jface.text.contentassist.ContextInformationValidator; // packageimport
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29 import dwtx.jface.text.contentassist.ICompletionProposal; // packageimport
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30 import dwtx.jface.text.contentassist.IContentAssistProcessor; // packageimport
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31 import dwtx.jface.text.contentassist.AdditionalInfoController; // packageimport
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32 import dwtx.jface.text.contentassist.IContextInformationPresenter; // packageimport
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33 import dwtx.jface.text.contentassist.ICompletionProposalExtension4; // packageimport
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34 import dwtx.jface.text.contentassist.ICompletionListenerExtension; // packageimport
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35 import dwtx.jface.text.contentassist.ContextInformationPopup; // packageimport
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36 import dwtx.jface.text.contentassist.IContextInformationExtension; // packageimport
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37 import dwtx.jface.text.contentassist.IContentAssistantExtension2; // packageimport
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38 import dwtx.jface.text.contentassist.ContentAssistSubjectControlAdapter; // packageimport
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39 import dwtx.jface.text.contentassist.CompletionProposalPopup; // packageimport
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40 import dwtx.jface.text.contentassist.ICompletionProposalExtension; // packageimport
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41 import dwtx.jface.text.contentassist.IContextInformation; // packageimport
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42 import dwtx.jface.text.contentassist.IContentAssistantExtension3; // packageimport
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43 import dwtx.jface.text.contentassist.ContentAssistant; // packageimport
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44 import dwtx.jface.text.contentassist.IContentAssistantExtension; // packageimport
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45 import dwtx.jface.text.contentassist.JFaceTextMessages; // packageimport
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46
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47
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129
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48 import dwt.dwthelper.utils;
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49
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50
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51
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52
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53 import dwt.graphics.Image;
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54 import dwt.graphics.Point;
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55 import dwtx.core.runtime.Assert;
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56 import dwtx.jface.text.BadLocationException;
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57 import dwtx.jface.text.IDocument;
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58
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59
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60 /**
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61 * The standard implementation of the <code>ICompletionProposal</code> interface.
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62 */
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63 public final class CompletionProposal : ICompletionProposal {
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64
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65 /** The string to be displayed in the completion proposal popup. */
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66 private String fDisplayString;
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67 /** The replacement string. */
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68 private String fReplacementString;
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69 /** The replacement offset. */
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70 private int fReplacementOffset;
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71 /** The replacement length. */
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72 private int fReplacementLength;
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73 /** The cursor position after this proposal has been applied. */
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74 private int fCursorPosition;
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75 /** The image to be displayed in the completion proposal popup. */
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76 private Image fImage;
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77 /** The context information of this proposal. */
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78 private IContextInformation fContextInformation;
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79 /** The additional info of this proposal. */
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80 private String fAdditionalProposalInfo;
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81
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82 /**
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83 * Creates a new completion proposal based on the provided information. The replacement string is
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84 * considered being the display string too. All remaining fields are set to <code>null</code>.
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85 *
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86 * @param replacementString the actual string to be inserted into the document
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87 * @param replacementOffset the offset of the text to be replaced
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88 * @param replacementLength the length of the text to be replaced
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89 * @param cursorPosition the position of the cursor following the insert relative to replacementOffset
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90 */
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91 public CompletionProposal(String replacementString, int replacementOffset, int replacementLength, int cursorPosition) {
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92 this(replacementString, replacementOffset, replacementLength, cursorPosition, null, null, null, null);
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93 }
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94
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95 /**
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96 * Creates a new completion proposal. All fields are initialized based on the provided information.
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97 *
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98 * @param replacementString the actual string to be inserted into the document
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99 * @param replacementOffset the offset of the text to be replaced
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100 * @param replacementLength the length of the text to be replaced
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101 * @param cursorPosition the position of the cursor following the insert relative to replacementOffset
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102 * @param image the image to display for this proposal
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103 * @param displayString the string to be displayed for the proposal
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104 * @param contextInformation the context information associated with this proposal
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105 * @param additionalProposalInfo the additional information associated with this proposal
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106 */
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107 public CompletionProposal(String replacementString, int replacementOffset, int replacementLength, int cursorPosition, Image image, String displayString, IContextInformation contextInformation, String additionalProposalInfo) {
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108 Assert.isNotNull(replacementString);
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109 Assert.isTrue(replacementOffset >= 0);
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110 Assert.isTrue(replacementLength >= 0);
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111 Assert.isTrue(cursorPosition >= 0);
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112
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113 fReplacementString= replacementString;
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114 fReplacementOffset= replacementOffset;
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115 fReplacementLength= replacementLength;
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116 fCursorPosition= cursorPosition;
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117 fImage= image;
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118 fDisplayString= displayString;
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119 fContextInformation= contextInformation;
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120 fAdditionalProposalInfo= additionalProposalInfo;
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121 }
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122
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123 /*
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124 * @see ICompletionProposal#apply(IDocument)
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125 */
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126 public void apply(IDocument document) {
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127 try {
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128 document.replace(fReplacementOffset, fReplacementLength, fReplacementString);
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129 } catch (BadLocationException x) {
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130 // ignore
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131 }
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132 }
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133
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134 /*
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135 * @see ICompletionProposal#getSelection(IDocument)
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136 */
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137 public Point getSelection(IDocument document) {
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138 return new Point(fReplacementOffset + fCursorPosition, 0);
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139 }
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140
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141 /*
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142 * @see ICompletionProposal#getContextInformation()
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143 */
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144 public IContextInformation getContextInformation() {
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145 return fContextInformation;
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146 }
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147
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148 /*
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149 * @see ICompletionProposal#getImage()
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150 */
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151 public Image getImage() {
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152 return fImage;
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153 }
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154
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155 /*
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156 * @see ICompletionProposal#getDisplayString()
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157 */
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158 public String getDisplayString() {
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159 if (fDisplayString !is null)
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160 return fDisplayString;
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161 return fReplacementString;
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162 }
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163
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164 /*
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165 * @see ICompletionProposal#getAdditionalProposalInfo()
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166 */
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167 public String getAdditionalProposalInfo() {
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168 return fAdditionalProposalInfo;
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169 }
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170 }
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