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annotate webapp/src/main/webapp/jquery/jquery.digilib.annotator.js @ 1125:f1be20adc98b

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annotatorPlugins is now a list of plugin names (preserving order).
author robcast
date Fri, 09 Nov 2012 15:07:12 +0100
parents 1fad569ccb4f
children f14220f939d5
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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 // list of Annotator plugins
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60 'annotatorPlugins' : ['Auth', 'Permissions', 'Store', 'DigilibIntegrator'],
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61 // Annotator plugin settings (some values provided in handleSetup)
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62 'annotatorPluginSettings' : {
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63 'Auth' : {
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64 //token : data.annotationToken
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65 //tokenUrl: data.settings.annotationTokenUrl
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66 autoFetch: true,
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67 requestMethod: 'POST',
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68 requestData: {
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69 //'user': data.settings.annotationUser,
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70 //'password': data.annotationPassword
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71 }
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72 },
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73 'Permissions' : {
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74 //user: data.settings.annotationUser,
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75 userString : function(user) {
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76 if (user && user.name) {
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77 return user.name;
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78 }
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79 return user;
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80 },
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81 userId: function (user) {
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82 if (user && user.id) {
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83 return user.id;
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84 }
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85 return user;
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86 }
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87 },
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88 'Store' : {
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89 //prefix : data.settings.annotationServerUrl,
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90 annotationData: {
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91 //'uri': getAnnotationPageUrl()
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92 },
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93 loadFromSearch: {
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94 'limit': 20,
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95 //'uri': getAnnotationPageUrl()
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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
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102 var actions = {
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103 /**
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104 * show/hide annotations
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105 */
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106 toggleAnnotations : function (data) {
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107 var show = !data.settings.isAnnotationsVisible;
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108 data.settings.isAnnotationsVisible = show;
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109 digilib.fn.highlightButtons(data, 'annotations', show);
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110 renderAnnotations(data);
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111 },
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112
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113 /**
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114 * set user account for annotations
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115 */
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116 setAnnotationUser : function (data, user, password) {
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117 var annotator = data.annotator;
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118 var auth = annotator.plugins.Auth;
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119 if (auth == null) {
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120 console.error("setAnnotationUser: No Auth plugin!!");
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121 return;
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122 }
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123 setAnnotationUser(data, auth, user, password);
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124 // get new token
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125 auth.token = null;
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126 auth._unsafeToken = null;
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127 auth.requestToken();
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128 // save new token in cookie
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129 auth.withToken(function (tkn) {
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130 data.dlOpts.annotationToken = auth.token;
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131 digilib.fn.storeOptions(data);
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132 // reload annotations
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133 data.annotations = [];
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134 renderAnnotations(data);
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135 annotator.plugins.Store.pluginInit();
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136 });
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137 },
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138
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139 /**
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140 * set a mark-annotation by clicking (or giving a position and a text)
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141 *
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142 * @param data
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143 * @param mpos
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144 * @param text
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145 */
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146 setAnnotationMark : function (data, mpos, text) {
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147 if (mpos == null) {
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148 // interactive
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149 setAnnotationMark(data);
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150 } else {
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151 // use position and text (and user-id)
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152 console.error("Currently only interactive annotations!");
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153 }
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154 },
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155
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156 /**
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157 * set a region-annotation by clicking (or giving a position and a text)
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158 *
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159 * @param data
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160 * @param mpos
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161 * @param text
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162 */
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163 setAnnotationRegion : function (data, rect, text) {
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164 if (rect == null) {
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165 // interactive
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166 setAnnotationRegion(data);
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167 } else {
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168 // use position and text (and user-id)
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169 console.error("Currently only interactive annotations!");
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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 /**
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175 * returns an annotatable url to this digilib image
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176 */
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177 var getAnnotationPageUrl = function(data) {
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178 var url = data.settings.digilibBaseUrl + '/jquery/digilib.html?';
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179 url += digilib.fn.getParamString(data.settings, ['fn', 'pn'], digilib.defaults);
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180 return url;
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181 };
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182
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183 /**
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184 * sets annotation user and password in digilib and Annotator.Auth plugin.
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185 * auth is Auth plugin instance.
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186 */
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187 var setAnnotationUser = function (data, auth, user, password) {
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188 if (user == null) {
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189 // user name entered in JS-prompt
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190 user = window.prompt("Please authenticate: User name", data.settings.annotationUser);
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191 if (user != null && user != 'anonymous') {
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192 // password entered in JS-prompt
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193 password = window.prompt("Please authenticate: Password", '');
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194 // set params for Auth plugin
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195 auth.options.requestData.password = password;
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196 } else {
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197 // use anonymous user
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198 user = 'anonymous';
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199 delete auth.options.requestData.password;
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200 }
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201 }
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202 // set user in digilib
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203 data.settings.annotationUser = user;
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204 data.dlOpts.annotationUser = user;
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205 digilib.fn.storeOptions(data);
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206 // set params for Auth plugin
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207 auth.options.requestData.user = user;
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208 // set params for Permissions plugin
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209 var perms = data.annotator.plugins.Permissions;
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210 if (perms != null) {
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211 perms.setUser(user);
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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 /**
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217 * add a mark-annotation where clicked.
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218 */
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219 var setAnnotationMark = function(data) {
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220 var $scaler = data.$scaler;
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221 // unbind other handler TODO: do we need to do this?
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222 $scaler.off(".dlZoomDrag");
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223 // start event capturing
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224 $scaler.one('mousedown.dlSetAnnotationMark', function(evt) {
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225 // event handler adding a new mark
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226 console.log("setAnnotationMark at=", evt);
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227 var annotator = data.annotator;
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228 var mpos = geom.position(evt);
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229 var pos = data.imgTrafo.invtransform(mpos);
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230 // mark selected areas
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231 annotator.selectedAreas = [geom.rectangle(pos)];
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232 // create and edit new annotation
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233 var annotation = annotator.createAnnotation();
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234 annotator.showEditor(annotation, mpos.getAsCss());
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235 return false;
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236 });
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237 };
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238
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239 /**
1121
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240 * add a region-annotation where clicked.
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241 */
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242 var setAnnotationRegion = function(data) {
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243 var annotator = data.annotator;
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244 digilib.fn.defineArea(data, function (data, rect) {
efe4b0f18cf8 annotator plugin does regions now.
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245 if (rect == null) return;
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246 // event handler adding a new mark
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247 console.log("setAnnotationRegion at=", rect);
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248 // mark selected areas
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249 annotator.selectedAreas = [rect];
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250 // create and edit new annotation
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251 var mpos = rect.getPt1();
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252 var pos = data.imgTrafo.transform(mpos);
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253 var annotation = annotator.createAnnotation();
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254 annotator.showEditor(annotation, pos.getAsCss());
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255 });
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256 };
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257
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258 /**
1113
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259 * place annotations on the image
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260 */
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261 var renderAnnotations = function (data) {
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262 console.debug("renderAnnotations!");
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263 if (data.annotations == null || data.annotator == null || data.$img == null || data.imgTrafo == null)
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264 return;
1116
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265 var annotations = data.annotations;
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266 var cssPrefix = data.settings.cssPrefix;
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267 var $elem = data.$elem;
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268 // try to show annotation user state
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269 $elem.find('div#'+cssPrefix+'button-annotationuser').attr('title', 'annotation user: '+data.settings.annotationUser);
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270 // clear annotations
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271 $elem.find('div.' + cssPrefix + 'annotationmark').remove();
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272 if (!data.settings.isAnnotationsVisible) return;
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273 for (var i = 0; i < annotations.length; i++) {
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274 renderAnnotation(data, annotations[i]);
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275 }
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276 };
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277
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278 /**
1115
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279 * place single annotation on the image
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280 */
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281 var renderAnnotation = function (data, annot) {
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282 console.debug("renderAnnotation: annotation=", annot);
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283 if (annot == null || annot.annotation == null || annot.annotation.areas == null
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284 || data.$img == null || data.imgTrafo == null)
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285 return;
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286 if (!data.settings.isAnnotationsVisible) return;
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287 var cssPrefix = data.settings.cssPrefix;
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288 var $elem = data.$elem;
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289 var annotator = data.annotator;
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290 var annotation = annot.annotation;
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291 var idx = annot.idx ? annot.idx : '?';
1121
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292 var area = geom.rectangle(annotation.areas[0]);
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293 var screenRect = null;
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294 var $annotation = null;
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295 if (area.isRectangle()) {
efe4b0f18cf8 annotator plugin does regions now.
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296 var clippedArea = data.zoomArea.intersect(area);
efe4b0f18cf8 annotator plugin does regions now.
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297 if (clippedArea == null) return;
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298 screenRect = data.imgTrafo.transform(clippedArea);
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299 // console.debug("renderRegion: pos=",geom.position(screenRect));
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300 $annotation = $('<div class="'+cssPrefix+'annotationregion '+cssPrefix+'overlay annotator-hl">'+idx+'</div>');
efe4b0f18cf8 annotator plugin does regions now.
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301 //addRegionAttributes(data, $regionDiv, attr);
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302 } else {
efe4b0f18cf8 annotator plugin does regions now.
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303 var pos = area.getPosition();
efe4b0f18cf8 annotator plugin does regions now.
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304 if (!data.zoomArea.containsPosition(pos)) return;
efe4b0f18cf8 annotator plugin does regions now.
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305 var screenRect = data.imgTrafo.transform(pos);
efe4b0f18cf8 annotator plugin does regions now.
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306 console.debug("renderannotations: pos=", pos);
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307 // create annotation
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308 var html = '<div class="'+cssPrefix+'annotationmark '+cssPrefix+'overlay annotator-hl">'+idx+'</div>';
1121
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309 $annotation = $(html);
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310 }
efe4b0f18cf8 annotator plugin does regions now.
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311 // save annotation in data for Annotator
efe4b0f18cf8 annotator plugin does regions now.
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312 $annotation.data('annotation', annotation);
efe4b0f18cf8 annotator plugin does regions now.
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313 // save reference to div
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314 annot.$div = $annotation;
efe4b0f18cf8 annotator plugin does regions now.
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315 $elem.append($annotation);
efe4b0f18cf8 annotator plugin does regions now.
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316 // hook up Annotator events
efe4b0f18cf8 annotator plugin does regions now.
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317 $annotation.on("mouseover", annotator.onHighlightMouseover);
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318 $annotation.on("mouseout", annotator.startViewerHideTimer);
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319 screenRect.adjustDiv($annotation);
1113
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320 };
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321
1116
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322 /**
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323 * returns setupAnnotation function using the given data.
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324 */
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325 var getSetupAnnotation = function(data) {
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326 return function (annotation) {
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327 // create annotation wrapper
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328 var ann = {
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329 'annotation' : annotation,
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330 'idx' : data.annotations.length+1
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331 };
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332 // add to list
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333 data.annotations.push(ann);
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334 // render this annotation
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335 renderAnnotation(data, ann);
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336 };
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337 };
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diff changeset
338
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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339 /**
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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340 * returns annotationDeleted function using the given data.
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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341 */
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342 var getAnnotationDeleted = function(data) {
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343 return function (annotation) {
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344 // remove annotation mark
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345 var annots = data.annotations;
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346 for (var i = 0; i < annots.length; ++i) {
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347 var annot = annots[i];
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348 if (annot.annotation === annotation) {
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349 // this is the right wrapper
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350 if (annot.$div != null) {
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351 // remove from screen
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352 annot.$div.remove();
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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353 }
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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354 // remove from list
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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355 delete annots[i];
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356 break;
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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357 }
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358 }
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diff changeset
359 };
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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360 };
1120
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diff changeset
361
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
362 /**
1125
f1be20adc98b annotatorPlugins is now a list of plugin names (preserving order).
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363 * returns unauthorizedCallback function for Annotator authlogin plugin.
1120
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364 */
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365 var getHandleUnauthorized = function (data) {
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366 return function (auth) {
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367 // prompt for user name and set user
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368 setAnnotationUser(data, auth);
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369 // then try again
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370 return true;
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371 };
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372 };
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373
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374 /**
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375 * install additional buttons
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376 */
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377 var installButtons = function(data) {
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378 var settings = data.settings;
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379 var mode = settings.interactionMode;
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380 var buttonSettings = settings.buttonSettings[mode];
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381 // configure buttons through digilib "annotationSet" option
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382 var buttonSet = settings.annotationSet || annotationSet;
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383 // set annotationSet to [] or '' for no buttons (when showing annotations only)
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384 if (buttonSet.length && buttonSet.length > 0) {
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385 buttonSettings.annotationSet = buttonSet;
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386 buttonSettings.buttonSets.push('annotationSet');
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387 }
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388 };
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389
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390 /**
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391 * plugin installation. called by digilib on plugin object.
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392 */
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393 var install = function(plugin) {
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394 digilib = plugin;
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395 console.debug('installing annotator plugin. digilib:', digilib);
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396 // import geometry classes
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397 geom = digilib.fn.geometry;
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398 FULL_AREA = geom.rectangle(0, 0, 1, 1);
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399 // add defaults, actions, buttons
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400 $.extend(digilib.defaults, defaults);
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401 $.extend(digilib.actions, actions);
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402 $.extend(digilib.buttons, buttons);
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403 };
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404
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405 /** plugin initialization */
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406 var init = function(data) {
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407 console.debug('initialising annotator plugin. data:', data);
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408 var $data = $(data);
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409 // set up
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410 data.annotations = [];
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411 if (digilib.plugins.buttons != null) {
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412 installButtons(data);
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413 }
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414 if (data.dlOpts.annotationUser != null) {
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415 // get annotation user from cookie
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416 data.settings.annotationUser = data.dlOpts.annotationUser;
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417 }
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418 // install event handler
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419 $data.bind('setup', handleSetup);
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420 $data.bind('update', handleUpdate);
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421 };
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422
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423 /**
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424 * setup creates Annotator object.
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425 */
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426 var handleSetup = function(evt) {
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427 console.debug("annotations: handleSetup");
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428 var data = this;
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429 var settings = data.settings;
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430 // set up annotator (after html has been set up)
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431 var uri = getAnnotationPageUrl(data);
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432 var annotator = new Annotator(data.$elem.get(0));
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433 // set plugin parameters
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434 var pluginParams = {
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435 'Auth' : {
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436 'token' : data.dlOpts.annotationToken,
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437 'tokenUrl' : settings.annotationTokenUrl,
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438 'autoFetch' : true,
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439 'requestMethod' : 'POST',
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440 'requestData' : {
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441 'user': settings.annotationUser,
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442 },
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443 'unauthorizedCallback' : getHandleUnauthorized(data)
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444 },
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445 'Permissions' : {
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446 'user' : settings.annotationUser
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447 },
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448 'Store' : {
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449 'prefix' : settings.annotationServerUrl,
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450 'annotationData' : {
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451 'uri': uri
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452 },
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453 'loadFromSearch' : {
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454 'uri': uri
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455 }
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456 },
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457 'DigilibIntegrator' : {
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458 'hooks' : {
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459 'setupAnnotation' : getSetupAnnotation(data),
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460 'annotationDeleted' : getAnnotationDeleted(data)
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461 }
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462 }
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463 };
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464 // merge with settings
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465 $.extend(true, pluginParams, data.settings.annotatorPluginSettings);
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466 // add plugins
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467 $.each(settings.annotatorPlugins, function (idx, name) {
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468 var params = pluginParams[name];
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469 console.debug("plugin:", name, params);
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470 annotator.addPlugin(name, params);
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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471 });
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472 // save annotator reference
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473 data.annotator = annotator;
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474 // save annotation token in cookie
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475 var auth = annotator.plugins.Auth;
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476 // save new token in cookie
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477 auth.withToken(function (tkn) {
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478 data.dlOpts.annotationToken = auth.token;
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479 digilib.fn.storeOptions(data);
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480 });
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481 };
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482
7affda55c10e using annotator in digilib works somewhat now.
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483 /**
7affda55c10e using annotator in digilib works somewhat now.
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484 * update renders all annotations.
7affda55c10e using annotator in digilib works somewhat now.
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485 */
7affda55c10e using annotator in digilib works somewhat now.
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486 var handleUpdate = function(evt) {
7affda55c10e using annotator in digilib works somewhat now.
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487 console.debug("annotations: handleUpdate");
7affda55c10e using annotator in digilib works somewhat now.
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488 var data = this;
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489 renderAnnotations(data);
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490 };
7affda55c10e using annotator in digilib works somewhat now.
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491
7affda55c10e using annotator in digilib works somewhat now.
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492 // plugin object with name and init
7affda55c10e using annotator in digilib works somewhat now.
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493 // shared objects filled by digilib on registration
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494 var plugin = {
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495 name : 'annotator',
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496 install : install,
7affda55c10e using annotator in digilib works somewhat now.
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497 init : init,
7affda55c10e using annotator in digilib works somewhat now.
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498 buttons : {},
7affda55c10e using annotator in digilib works somewhat now.
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499 actions : {},
7affda55c10e using annotator in digilib works somewhat now.
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500 fn : {},
7affda55c10e using annotator in digilib works somewhat now.
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501 plugins : {}
7affda55c10e using annotator in digilib works somewhat now.
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502 };
7affda55c10e using annotator in digilib works somewhat now.
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503
7affda55c10e using annotator in digilib works somewhat now.
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504 if ($.fn.digilib == null) {
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505 $.error("jquery.digilib.annotator must be loaded after jquery.digilib!");
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506 } else {
7affda55c10e using annotator in digilib works somewhat now.
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507 $.fn.digilib('plugin', plugin);
7affda55c10e using annotator in digilib works somewhat now.
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508 }
7affda55c10e using annotator in digilib works somewhat now.
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509 })(jQuery);