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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.ContextInformation;
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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.CompletionProposal; // packageimport
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20 import dwtx.jface.text.contentassist.ICompletionProposalExtension5; // packageimport
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21 import dwtx.jface.text.contentassist.IContextInformationValidator; // packageimport
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22 import dwtx.jface.text.contentassist.IContentAssistListener; // packageimport
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23 import dwtx.jface.text.contentassist.ICompletionProposalExtension6; // packageimport
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24 import dwtx.jface.text.contentassist.ICompletionListener; // packageimport
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25 import dwtx.jface.text.contentassist.ICompletionProposalExtension2; // packageimport
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26 import dwtx.jface.text.contentassist.IContentAssistantExtension4; // 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 import dwt.graphics.Image;
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53 import dwtx.core.runtime.Assert;
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54
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55
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56
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57 /**
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58 * A default implementation of the <code>IContextInformation</code> interface.
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59 */
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60 public final class ContextInformation : IContextInformation {
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61
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62 /** The name of the context. */
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63 private final String fContextDisplayString;
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64 /** The information to be displayed. */
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65 private final String fInformationDisplayString;
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66 /** The image to be displayed. */
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67 private final Image fImage;
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68
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69 /**
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70 * Creates a new context information without an image.
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71 *
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72 * @param contextDisplayString the string to be used when presenting the context
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73 * @param informationDisplayString the string to be displayed when presenting the context information
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74 */
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75 public ContextInformation(String contextDisplayString, String informationDisplayString) {
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76 this(null, contextDisplayString, informationDisplayString);
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77 }
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78
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79 /**
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80 * Creates a new context information with an image.
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81 *
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82 * @param image the image to display when presenting the context information
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83 * @param contextDisplayString the string to be used when presenting the context
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84 * @param informationDisplayString the string to be displayed when presenting the context information,
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85 * may not be <code>null</code>
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86 */
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87 public ContextInformation(Image image, String contextDisplayString, String informationDisplayString) {
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88
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89 Assert.isNotNull(informationDisplayString);
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90
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91 fImage= image;
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92 fContextDisplayString= contextDisplayString;
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93 fInformationDisplayString= informationDisplayString;
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94 }
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95
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96 /*
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97 * @see IContextInformation#equals(Object)
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98 */
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99 public bool equals(Object object) {
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100 if (object instanceof IContextInformation) {
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101 IContextInformation contextInformation= (IContextInformation) object;
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102 bool equals= fInformationDisplayString.equalsIgnoreCase(contextInformation.getInformationDisplayString());
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103 if (fContextDisplayString !is null)
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104 equals= equals && fContextDisplayString.equalsIgnoreCase(contextInformation.getContextDisplayString());
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105 return equals;
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106 }
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107 return false;
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108 }
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109
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110 /*
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111 * @see java.lang.Object#hashCode()
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112 * @since 3.1
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113 */
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114 public int hashCode() {
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115 int low= fContextDisplayString !is null ? fContextDisplayString.hashCode() : 0;
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116 return (fInformationDisplayString.hashCode() << 16) | low;
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117 }
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118
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119 /*
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120 * @see IContextInformation#getInformationDisplayString()
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121 */
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122 public String getInformationDisplayString() {
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123 return fInformationDisplayString;
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124 }
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125
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126 /*
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127 * @see IContextInformation#getImage()
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128 */
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129 public Image getImage() {
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130 return fImage;
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131 }
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132
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133 /*
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134 * @see IContextInformation#getContextDisplayString()
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135 */
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136 public String getContextDisplayString() {
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137 if (fContextDisplayString !is null)
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138 return fContextDisplayString;
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139 return fInformationDisplayString;
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140 }
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141 }
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