Mercurial > hg > digilib-old

annotate webapp/src/main/webapp/jquery/jquery.digilib.annotator.js @ 1121:efe4b0f18cf8

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annotator plugin does regions now.
author robcast
date Thu, 08 Nov 2012 18:42:57 +0100
parents 8bd10cd04169
children 1fad569ccb4f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /**
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2 digilib plugin for annotations.
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3
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4 currently only point-like annotations (like marks).
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5
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6 Annotations are stored on a Annotator http://annotateit.org compatible server.
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7
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8 */
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9
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10 (function($) {
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11
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12 // affine geometry
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13 var geom = null;
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14 // plugin object with digilib data
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15 var digilib = null;
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16
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17 var buttons = {
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18 annotations : {
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19 onclick : "toggleAnnotations",
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20 tooltip : "show or hide annotations",
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21 icon : "annotations.png"
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22 },
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23 annotationuser : {
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24 onclick : "setAnnotationUser",
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25 tooltip : "set user account for annotations",
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26 icon : "annotation-user.png"
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27 },
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28 annotationmark : {
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29 onclick : "setAnnotationMark",
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30 tooltip : "create an annotation for a point",
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31 icon : "annotation-mark.png"
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32 },
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33 annotationregion : {
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34 onclick : "setAnnotationRegion",
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35 tooltip : "create an annotation for a region",
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36 icon : "annotation-region.png"
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37 }
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38 };
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39
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40 var defaults = {
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41 // are annotations active?
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42 'isAnnotationsVisible' : true,
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43 // buttonset of this plugin
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44 'annotationSet' : ['annotations', 'annotationuser', 'annotationmark', 'annotationregion', 'lessoptions'],
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45 // URL of annotation server
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46 'annotationServerUrl' : 'http://virtuoso.mpiwg-berlin.mpg.de:8080/AnnotationManager/annotator',
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47 // URL of authentication token server
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48 'annotationTokenUrl' : 'http://localhost:8080/test/annotator/token',
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49 // annotation user name
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50 'annotationUser' : 'anonymous',
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51 // function to translate user name from annotation server format
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52 'annotationServerUserString' : function() {
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53 if (this.user && this.user.name) {
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54 return this.user.name;
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55 }
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56 return this.user;
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57 },
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58
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59 // Annotator plugin settings (some values provided in handleSetup)
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60 'annotatorPlugins' : {
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61 //'Tags' : {},
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62 'Auth' : {
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63 //token : data.annotationToken
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64 //tokenUrl: data.settings.annotationTokenUrl
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65 autoFetch: true,
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66 requestMethod: 'POST',
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67 requestData: {
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68 //'user': data.settings.annotationUser,
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69 //'password': data.annotationPassword
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70 }
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71 },
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72 'Permissions' : {
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73 //user: data.settings.annotationUser,
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74 userString : function(user) {
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75 if (user && user.name) {
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76 return user.name;
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77 }
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78 return user;
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79 },
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80 userId: function (user) {
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81 if (user && user.id) {
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82 return user.id;
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83 }
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84 return user;
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85 }
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86 },
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87 'Store' : {
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88 //prefix : data.settings.annotationServerUrl,
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89 annotationData: {
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90 //'uri': getAnnotationPageUrl()
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91 },
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92 loadFromSearch: {
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93 'limit': 20,
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94 //'uri': getAnnotationPageUrl()
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95 }
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96 }
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97 }
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98
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99 };
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100
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101 var actions = {
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102 /**
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103 * show/hide annotations
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104 */
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105 toggleAnnotations : function (data) {
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106 var show = !data.settings.isAnnotationsVisible;
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107 data.settings.isAnnotationsVisible = show;
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108 digilib.fn.highlightButtons(data, 'annotations', show);
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109 renderAnnotations(data);
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110 },
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111
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112 /**
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113 * set user account for annotations
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114 */
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115 setAnnotationUser : function (data, user, password) {
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116 var annotator = data.annotator;
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117 var auth = annotator.plugins.Auth;
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118 if (auth == null) {
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119 console.error("setAnnotationUser: No Auth plugin!!");
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120 return;
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121 }
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122 setAnnotationUser(data, auth, user, password);
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123 // get new token
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124 auth.token = null;
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125 auth._unsafeToken = null;
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126 auth.requestToken();
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127 // save new token in cookie
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128 auth.withToken(function (tkn) {
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129 data.dlOpts.annotationToken = auth.token;
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130 digilib.fn.storeOptions(data);
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131 // reload annotations
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132 data.annotations = [];
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133 renderAnnotations(data);
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134 annotator.plugins.Store.pluginInit();
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135 });
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136 },
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137
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138 /**
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139 * set a mark-annotation by clicking (or giving a position and a text)
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140 *
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141 * @param data
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142 * @param mpos
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143 * @param text
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144 */
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145 setAnnotationMark : function (data, mpos, text) {
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146 if (mpos == null) {
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147 // interactive
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148 setAnnotationMark(data);
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149 } else {
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150 // use position and text (and user-id)
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151 console.error("Currently only interactive annotations!");
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152 }
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153 },
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154
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155 /**
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156 * set a region-annotation by clicking (or giving a position and a text)
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157 *
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158 * @param data
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159 * @param mpos
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160 * @param text
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161 */
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162 setAnnotationRegion : function (data, rect, text) {
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163 if (rect == null) {
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164 // interactive
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165 setAnnotationRegion(data);
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166 } else {
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167 // use position and text (and user-id)
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168 console.error("Currently only interactive annotations!");
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169 }
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170 }
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171 };
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172
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173 /**
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174 * returns an annotatable url to this digilib image
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175 */
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176 var getAnnotationPageUrl = function(data) {
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177 var url = data.settings.digilibBaseUrl + '/jquery/digilib.html?';
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178 url += digilib.fn.getParamString(data.settings, ['fn', 'pn'], digilib.defaults);
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179 return url;
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180 };
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181
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182 /**
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183 * sets annotation user and password in digilib and Annotator.Auth plugin.
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184 * auth is Auth plugin instance.
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185 */
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186 var setAnnotationUser = function (data, auth, user, password) {
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187 if (user == null) {
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188 // user name entered in JS-prompt
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189 user = window.prompt("Please authenticate: User name", data.settings.annotationUser);
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190 if (user != null && user != 'anonymous') {
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191 // password entered in JS-prompt
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192 password = window.prompt("Please authenticate: Password", '');
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193 // set params for Auth plugin
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194 auth.options.requestData.password = password;
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195 } else {
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196 // use anonymous user
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197 user = 'anonymous';
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198 delete auth.options.requestData.password;
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199 }
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200 }
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201 // set user in digilib
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202 data.settings.annotationUser = user;
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203 data.dlOpts.annotationUser = user;
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204 digilib.fn.storeOptions(data);
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205 // set params for Auth plugin
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206 auth.options.requestData.user = user;
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207 // set params for Permissions plugin
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208 var perms = data.annotator.plugins.Permissions;
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209 if (perms != null) {
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210 perms.options.user = user;
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211 }
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212 };
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213
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214
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215 /**
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216 * add a mark-annotation where clicked.
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217 */
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218 var setAnnotationMark = function(data) {
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219 var $scaler = data.$scaler;
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220 // unbind other handler TODO: do we need to do this?
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221 $scaler.off(".dlZoomDrag");
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222 // start event capturing
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223 $scaler.one('mousedown.dlSetAnnotationMark', function(evt) {
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224 // event handler adding a new mark
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225 console.log("setAnnotationMark at=", evt);
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226 var annotator = data.annotator;
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227 var mpos = geom.position(evt);
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228 var pos = data.imgTrafo.invtransform(mpos);
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229 // mark selected areas
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230 annotator.selectedAreas = [geom.rectangle(pos)];
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231 // create and edit new annotation
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232 var annotation = annotator.createAnnotation();
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233 annotator.showEditor(annotation, mpos.getAsCss());
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234 return false;
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235 });
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236 };
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237
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238 /**
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239 * add a region-annotation where clicked.
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240 */
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241 var setAnnotationRegion = function(data) {
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242 var annotator = data.annotator;
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243 digilib.fn.defineArea(data, function (data, rect) {
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244 if (rect == null) return;
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245 // event handler adding a new mark
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246 console.log("setAnnotationRegion at=", rect);
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247 // mark selected areas
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248 annotator.selectedAreas = [rect];
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249 // create and edit new annotation
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250 var mpos = rect.getPt1();
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251 var pos = data.imgTrafo.transform(mpos);
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252 var annotation = annotator.createAnnotation();
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253 annotator.showEditor(annotation, pos.getAsCss());
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254 });
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255 };
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256
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257 /**
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258 * place annotations on the image
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259 */
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260 var renderAnnotations = function (data) {
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261 console.debug("renderAnnotations!");
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262 if (data.annotations == null || data.annotator == null || data.$img == null || data.imgTrafo == null)
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263 return;
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264 var annotations = data.annotations;
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265 var cssPrefix = data.settings.cssPrefix;
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266 var $elem = data.$elem;
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267 // try to show annotation user state
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268 $elem.find('div#'+cssPrefix+'button-annotationuser').attr('title', 'annotation user: '+data.settings.annotationUser);
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269 // clear annotations
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270 $elem.find('div.' + cssPrefix + 'annotationmark').remove();
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271 if (!data.settings.isAnnotationsVisible) return;
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272 for (var i = 0; i < annotations.length; i++) {
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273 renderAnnotation(data, annotations[i]);
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274 }
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275 };
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276
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277 /**
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278 * place single annotation on the image
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279 */
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280 var renderAnnotation = function (data, annot) {
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281 console.debug("renderAnnotation: annotation=", annot);
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282 if (annot == null || annot.annotation == null || annot.annotation.areas == null
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283 || data.$img == null || data.imgTrafo == null)
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284 return;
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285 if (!data.settings.isAnnotationsVisible) return;
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286 var cssPrefix = data.settings.cssPrefix;
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287 var $elem = data.$elem;
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288 var annotator = data.annotator;
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289 var annotation = annot.annotation;
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290 var idx = annot.idx ? annot.idx : '?';
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291 var area = geom.rectangle(annotation.areas[0]);
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292 var screenRect = null;
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293 var $annotation = null;
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294 if (area.isRectangle()) {
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295 var clippedArea = data.zoomArea.intersect(area);
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296 if (clippedArea == null) return;
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297 screenRect = data.imgTrafo.transform(clippedArea);
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298 // console.debug("renderRegion: pos=",geom.position(screenRect));
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299 $annotation = $('<div class="'+cssPrefix+'annotationregion '+cssPrefix+'overlay annotator-hl">'+idx+'</div>');
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300 //addRegionAttributes(data, $regionDiv, attr);
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301 } else {
efe4b0f18cf8 annotator plugin does regions now.
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302 var pos = area.getPosition();
efe4b0f18cf8 annotator plugin does regions now.
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303 if (!data.zoomArea.containsPosition(pos)) return;
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304 var screenRect = data.imgTrafo.transform(pos);
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305 console.debug("renderannotations: pos=", pos);
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306 // create annotation
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307 var html = '<div class="'+cssPrefix+'annotationmark '+cssPrefix+'overlay annotator-hl">'+idx+'</div>';
1121
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308 $annotation = $(html);
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309 }
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310 // save annotation in data for Annotator
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311 $annotation.data('annotation', annotation);
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312 // save reference to div
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313 annot.$div = $annotation;
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314 $elem.append($annotation);
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315 // hook up Annotator events
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316 $annotation.on("mouseover", annotator.onHighlightMouseover);
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317 $annotation.on("mouseout", annotator.startViewerHideTimer);
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318 screenRect.adjustDiv($annotation);
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319 };
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320
1116
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321 /**
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322 * returns setupAnnotation function using the given data.
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323 */
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324 var getSetupAnnotation = function(data) {
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325 return function (annotation) {
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326 // create annotation wrapper
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327 var ann = {
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328 'annotation' : annotation,
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329 'idx' : data.annotations.length+1
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330 };
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331 // add to list
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332 data.annotations.push(ann);
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333 // render this annotation
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334 renderAnnotation(data, ann);
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335 };
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336 };
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337
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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338 /**
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339 * returns annotationDeleted function using the given data.
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340 */
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341 var getAnnotationDeleted = function(data) {
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342 return function (annotation) {
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343 // remove annotation mark
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344 var annots = data.annotations;
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345 for (var i = 0; i < annots.length; ++i) {
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346 var annot = annots[i];
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347 if (annot.annotation === annotation) {
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348 // this is the right wrapper
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349 if (annot.$div != null) {
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350 // remove from screen
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351 annot.$div.remove();
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352 }
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353 // remove from list
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354 delete annots[i];
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diff changeset
355 break;
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356 }
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357 }
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358 };
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359 };
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360
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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361 /**
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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362 * returns handleUnauthorized function for Annotator.Auth plugin.
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
363 */
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
364 var getHandleUnauthorized = function (data) {
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365 return function (auth) {
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366 // prompt for user name and set user
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367 setAnnotationUser(data, auth);
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368 // then try again
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369 return true;
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370 };
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371 };
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372
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373 /**
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374 * install additional buttons
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375 */
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376 var installButtons = function(data) {
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377 var settings = data.settings;
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378 var mode = settings.interactionMode;
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379 var buttonSettings = settings.buttonSettings[mode];
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380 // configure buttons through digilib "annotationSet" option
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381 var buttonSet = settings.annotationSet || annotationSet;
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382 // set annotationSet to [] or '' for no buttons (when showing annotations only)
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383 if (buttonSet.length && buttonSet.length > 0) {
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384 buttonSettings.annotationSet = buttonSet;
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385 buttonSettings.buttonSets.push('annotationSet');
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386 }
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387 };
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388
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389 /**
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390 * plugin installation. called by digilib on plugin object.
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391 */
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392 var install = function(plugin) {
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393 digilib = plugin;
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394 console.debug('installing annotator plugin. digilib:', digilib);
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395 // import geometry classes
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396 geom = digilib.fn.geometry;
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397 FULL_AREA = geom.rectangle(0, 0, 1, 1);
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398 // add defaults, actions, buttons
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399 $.extend(digilib.defaults, defaults);
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400 $.extend(digilib.actions, actions);
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401 $.extend(digilib.buttons, buttons);
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402 };
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403
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404 /** plugin initialization */
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405 var init = function(data) {
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406 console.debug('initialising annotator plugin. data:', data);
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407 var $data = $(data);
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408 // set up
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409 data.annotations = [];
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410 if (digilib.plugins.buttons != null) {
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411 installButtons(data);
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412 }
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413 if (data.dlOpts.annotationUser != null) {
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414 // get annotation user from cookie
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415 data.settings.annotationUser = data.dlOpts.annotationUser;
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416 }
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417 // install event handler
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418 $data.bind('setup', handleSetup);
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419 $data.bind('update', handleUpdate);
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420 };
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421
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422 /**
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423 * setup creates Annotator object.
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424 */
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425 var handleSetup = function(evt) {
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426 console.debug("annotations: handleSetup");
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427 var data = this;
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428 // set up annotator (after html has been set up)
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429 var uri = getAnnotationPageUrl(data);
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430 var annotator = new Annotator(data.$elem.get(0));
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431 // set plugin parameters
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432 var pluginParams = {
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433 'Auth' : {
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434 'token' : data.dlOpts.annotationToken,
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435 'tokenUrl' : data.settings.annotationTokenUrl,
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436 'autoFetch' : true,
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437 'requestMethod' : 'POST',
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438 'requestData' : {
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439 'user': data.settings.annotationUser,
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440 },
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441 'unauthorizedCallback' : getHandleUnauthorized(data)
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442 },
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443 'Permissions' : {
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444 'user' : data.settings.annotationUser
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445 },
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446 'Store' : {
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447 'prefix' : data.settings.annotationServerUrl,
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448 'annotationData' : {
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449 'uri': uri
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450 },
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451 'loadFromSearch' : {
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452 'uri': uri
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453 }
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454 },
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455 'DigilibIntegrator' : {
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456 'hooks' : {
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457 'setupAnnotation' : getSetupAnnotation(data),
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458 'annotationDeleted' : getAnnotationDeleted(data)
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459 }
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460 }
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461 };
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462 // merge with settings
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463 $.extend(true, pluginParams, data.settings.annotatorPlugins);
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464 // add plugins
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465 $.each(pluginParams, function (name, params) {
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466 console.debug("plugin:", name, params);
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467 annotator.addPlugin(name, params);
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468 });
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469 // save annotator reference
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470 data.annotator = annotator;
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471 // save annotation token in cookie
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472 var auth = annotator.plugins.Auth;
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473 // save new token in cookie
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474 auth.withToken(function (tkn) {
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475 data.dlOpts.annotationToken = auth.token;
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476 digilib.fn.storeOptions(data);
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477 });
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478 };
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479
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480 /**
7affda55c10e using annotator in digilib works somewhat now.
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481 * update renders all annotations.
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482 */
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483 var handleUpdate = function(evt) {
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484 console.debug("annotations: handleUpdate");
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485 var data = this;
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486 renderAnnotations(data);
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487 };
7affda55c10e using annotator in digilib works somewhat now.
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488
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489 // plugin object with name and init
7affda55c10e using annotator in digilib works somewhat now.
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490 // shared objects filled by digilib on registration
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491 var plugin = {
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492 name : 'annotator',
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493 install : install,
7affda55c10e using annotator in digilib works somewhat now.
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494 init : init,
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495 buttons : {},
7affda55c10e using annotator in digilib works somewhat now.
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496 actions : {},
7affda55c10e using annotator in digilib works somewhat now.
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497 fn : {},
7affda55c10e using annotator in digilib works somewhat now.
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498 plugins : {}
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499 };
7affda55c10e using annotator in digilib works somewhat now.
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500
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501 if ($.fn.digilib == null) {
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502 $.error("jquery.digilib.annotator must be loaded after jquery.digilib!");
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503 } else {
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504 $.fn.digilib('plugin', plugin);
7affda55c10e using annotator in digilib works somewhat now.
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505 }
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506 })(jQuery);