Mercurial > hg > digilib-old

annotate webapp/src/main/webapp/jquery/jquery.digilib.annotator.js @ 1126:f14220f939d5

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add annotationsReadOnly mode.
author robcast
date Fri, 09 Nov 2012 18:53:13 +0100
parents f1be20adc98b
children 9e85efcfbb0c
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 'annotationReadOnlySet' : ['annotations', 'lessoptions'],
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46 // URL of annotation server .e.g. 'http://tuxserve03.mpiwg-berlin.mpg.de/AnnotationManager/annotator'
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47 'annotationServerUrl' : null,
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48 // are the annotations read-only
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49 'annotationsReadOnly' : false,
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50 // URL of authentication token server e.g. 'http://libcoll.mpiwg-berlin.mpg.de/libviewa/template/token'
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51 'annotationTokenUrl' : null,
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52 // annotation user name
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53 'annotationUser' : 'anonymous',
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54 // list of Annotator plugins
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55 'annotatorPlugins' : ['Auth', 'Permissions', 'Store', 'DigilibIntegrator'],
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56 // Annotator plugin settings (some values provided in handleSetup)
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57 'annotatorPluginSettings' : {
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58 'Auth' : {
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59 //token : data.annotationToken
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60 //tokenUrl: data.settings.annotationTokenUrl
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61 autoFetch: true,
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62 requestMethod: 'POST',
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63 requestData: {
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64 //'user': data.settings.annotationUser,
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65 //'password': data.annotationPassword
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66 }
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67 },
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68 'Permissions' : {
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69 //user: data.settings.annotationUser,
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70 userString : function(user) {
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71 if (user && user.name) {
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72 return user.name;
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73 }
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74 return user;
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75 },
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76 userId: function (user) {
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77 if (user && user.id) {
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78 return user.id;
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79 }
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80 return user;
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81 }
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82 },
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83 'Store' : {
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84 //prefix : data.settings.annotationServerUrl,
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85 annotationData: {
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86 //'uri': getAnnotationPageUrl()
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87 },
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88 loadFromSearch: {
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89 'limit': 20,
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90 //'uri': getAnnotationPageUrl()
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91 }
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92 }
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93 }
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94 };
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95
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96 var actions = {
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97 /**
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98 * show/hide annotations
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99 */
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100 toggleAnnotations : function (data) {
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101 var show = !data.settings.isAnnotationsVisible;
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102 data.settings.isAnnotationsVisible = show;
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103 digilib.fn.highlightButtons(data, 'annotations', show);
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104 renderAnnotations(data);
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105 },
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106
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107 /**
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108 * set user account for annotations
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109 */
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110 setAnnotationUser : function (data, user, password) {
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111 var annotator = data.annotator;
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112 var auth = annotator.plugins.Auth;
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113 if (auth == null) {
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114 console.error("setAnnotationUser: No Auth plugin!!");
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115 return;
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116 }
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117 setAnnotationUser(data, auth, user, password);
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118 // get new token
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119 auth.token = null;
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120 auth._unsafeToken = null;
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121 auth.requestToken();
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122 // save new token in cookie
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123 auth.withToken(function (tkn) {
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124 data.dlOpts.annotationToken = auth.token;
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125 digilib.fn.storeOptions(data);
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126 // clear annotations
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127 data.annotations = [];
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128 renderAnnotations(data);
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129 // reload annotations
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130 annotator.plugins.Store.pluginInit();
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131 });
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132 },
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133
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134 /**
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135 * set a mark-annotation by clicking (or giving a position and a text)
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136 *
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137 * @param data
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138 * @param mpos
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139 * @param text
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140 */
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141 setAnnotationMark : function (data, mpos, text) {
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142 if (mpos == null) {
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143 // interactive
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144 setAnnotationMark(data);
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145 } else {
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146 // use position and text (and user-id)
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147 console.error("Currently only interactive annotations!");
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148 }
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149 },
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150
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151 /**
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152 * set a region-annotation by clicking (or giving a position and a text)
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153 *
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154 * @param data
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155 * @param rect
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156 * @param text
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157 */
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158 setAnnotationRegion : function (data, rect, text) {
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159 if (rect == null) {
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160 // interactive
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161 setAnnotationRegion(data);
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162 } else {
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163 // use position and text (and user-id)
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164 console.error("Currently only interactive annotations!");
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165 }
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166 }
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167 };
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168
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169 /**
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170 * returns an annotatable url to this digilib image
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171 */
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172 var getAnnotationPageUrl = function(data) {
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173 var url = data.settings.digilibBaseUrl + '/jquery/digilib.html?';
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174 url += digilib.fn.getParamString(data.settings, ['fn', 'pn'], digilib.defaults);
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175 return url;
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176 };
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177
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178 /**
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179 * sets annotation user and password in digilib and Annotator.Auth plugin.
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180 * auth is Auth plugin instance.
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181 */
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182 var setAnnotationUser = function (data, auth, user, password) {
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183 if (user == null) {
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184 // user name entered in JS-prompt
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185 user = window.prompt("Please authenticate: User name", data.settings.annotationUser);
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186 if (user != null && user != 'anonymous') {
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187 // password entered in JS-prompt
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188 password = window.prompt("Please authenticate: Password", '');
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189 // set params for Auth plugin
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190 auth.options.requestData.password = password;
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191 } else {
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192 // use anonymous user
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193 user = 'anonymous';
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194 delete auth.options.requestData.password;
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195 }
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196 }
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197 // set user in digilib
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198 data.settings.annotationUser = user;
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199 data.dlOpts.annotationUser = user;
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200 digilib.fn.storeOptions(data);
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201 // set params for Auth plugin
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202 auth.options.requestData.user = user;
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203 // set params for Permissions plugin
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204 var perms = data.annotator.plugins.Permissions;
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205 if (perms != null) {
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1fad569ccb4f provide annotator javascript for digilib.annotator plugin.
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206 perms.setUser(user);
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207 }
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208 };
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209
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210
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211 /**
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212 * add a mark-annotation where clicked.
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213 */
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214 var setAnnotationMark = function(data) {
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215 var $scaler = data.$scaler;
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216 // start event capturing
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217 $scaler.one('mousedown.dlSetAnnotationMark', function(evt) {
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218 // event handler adding a new mark
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219 console.log("setAnnotationMark at=", evt);
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220 var annotator = data.annotator;
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221 var mpos = geom.position(evt);
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222 var pos = data.imgTrafo.invtransform(mpos);
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223 // mark selected areas
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224 annotator.selectedAreas = [geom.rectangle(pos)];
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225 // create and edit new annotation
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226 var annotation = annotator.createAnnotation();
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227 annotator.showEditor(annotation, mpos.getAsCss());
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228 return false;
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229 });
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230 };
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231
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232 /**
1121
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233 * add a region-annotation where clicked.
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234 */
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235 var setAnnotationRegion = function(data) {
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236 var annotator = data.annotator;
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237 digilib.fn.defineArea(data, function (data, rect) {
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238 if (rect == null) return;
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239 // event handler adding a new mark
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240 console.log("setAnnotationRegion at=", rect);
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241 // mark selected areas
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242 annotator.selectedAreas = [rect];
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243 // create and edit new annotation
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244 var pos = rect.getPt1();
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245 var mpos = data.imgTrafo.transform(pos);
1121
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246 var annotation = annotator.createAnnotation();
1126
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247 annotator.showEditor(annotation, mpos.getAsCss());
1121
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248 });
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diff changeset
249 };
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250
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
251 /**
1113
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252 * place annotations on the image
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253 */
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254 var renderAnnotations = function (data) {
1116
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255 if (data.annotations == null || data.annotator == null || data.$img == null || data.imgTrafo == null)
1113
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256 return;
1116
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257 var annotations = data.annotations;
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258 var cssPrefix = data.settings.cssPrefix;
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259 var $elem = data.$elem;
1126
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diff changeset
260 // show annotation user state
1113
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261 $elem.find('div#'+cssPrefix+'button-annotationuser').attr('title', 'annotation user: '+data.settings.annotationUser);
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262 // clear annotations
1126
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263 $elem.find('div.'+cssPrefix+'annotationmark,div.'+cssPrefix+'annotationregion').remove();
1113
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264 if (!data.settings.isAnnotationsVisible) return;
1126
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265 // re-render
1113
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266 for (var i = 0; i < annotations.length; i++) {
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267 renderAnnotation(data, annotations[i]);
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268 }
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269 };
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270
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271 /**
1115
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272 * place single annotation on the image
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273 */
1116
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274 var renderAnnotation = function (data, annot) {
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275 if (annot == null || annot.annotation == null || annot.annotation.areas == null
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276 || data.$img == null || data.imgTrafo == null)
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277 return;
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278 if (!data.settings.isAnnotationsVisible) return;
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279 var cssPrefix = data.settings.cssPrefix;
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280 var $elem = data.$elem;
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281 var annotator = data.annotator;
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282 var annotation = annot.annotation;
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283 var idx = annot.idx ? annot.idx : '?';
1121
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284 var area = geom.rectangle(annotation.areas[0]);
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285 var screenRect = null;
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286 var $annotation = null;
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287 if (area.isRectangle()) {
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
288 var clippedArea = data.zoomArea.intersect(area);
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
289 if (clippedArea == null) return;
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290 screenRect = data.imgTrafo.transform(clippedArea);
efe4b0f18cf8 annotator plugin does regions now.
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291 // console.debug("renderRegion: pos=",geom.position(screenRect));
efe4b0f18cf8 annotator plugin does regions now.
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292 $annotation = $('<div class="'+cssPrefix+'annotationregion '+cssPrefix+'overlay annotator-hl">'+idx+'</div>');
efe4b0f18cf8 annotator plugin does regions now.
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293 //addRegionAttributes(data, $regionDiv, attr);
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
294 } else {
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
295 var pos = area.getPosition();
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
296 if (!data.zoomArea.containsPosition(pos)) return;
efe4b0f18cf8 annotator plugin does regions now.
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297 var screenRect = data.imgTrafo.transform(pos);
1113
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298 // create annotation
1114
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parents: 1113
diff changeset
299 var html = '<div class="'+cssPrefix+'annotationmark '+cssPrefix+'overlay annotator-hl">'+idx+'</div>';
1121
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diff changeset
300 $annotation = $(html);
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
301 }
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
302 // save annotation in data for Annotator
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
303 $annotation.data('annotation', annotation);
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
304 // save reference to div
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
305 annot.$div = $annotation;
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
306 $elem.append($annotation);
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
307 // hook up Annotator events
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
308 $annotation.on("mouseover", annotator.onHighlightMouseover);
efe4b0f18cf8 annotator plugin does regions now.
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diff changeset
309 $annotation.on("mouseout", annotator.startViewerHideTimer);
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diff changeset
310 screenRect.adjustDiv($annotation);
1113
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311 };
7affda55c10e using annotator in digilib works somewhat now.
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312
1116
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313 /**
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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314 * returns setupAnnotation function using the given data.
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315 */
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316 var getSetupAnnotation = function(data) {
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317 return function (annotation) {
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318 // create annotation wrapper
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319 var ann = {
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320 'annotation' : annotation,
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321 'idx' : data.annotations.length+1
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diff changeset
322 };
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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323 // add to list
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324 data.annotations.push(ann);
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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325 // render this annotation
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diff changeset
326 renderAnnotation(data, ann);
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327 };
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
328 };
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diff changeset
329
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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330 /**
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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331 * returns annotationDeleted function using the given data.
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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332 */
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
333 var getAnnotationDeleted = function(data) {
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diff changeset
334 return function (annotation) {
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335 // remove annotation mark
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336 var annots = data.annotations;
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
337 for (var i = 0; i < annots.length; ++i) {
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338 var annot = annots[i];
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diff changeset
339 if (annot.annotation === annotation) {
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diff changeset
340 // this is the right wrapper
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diff changeset
341 if (annot.$div != null) {
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diff changeset
342 // remove from screen
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diff changeset
343 annot.$div.remove();
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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344 }
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
345 // remove from list
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
346 delete annots[i];
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diff changeset
347 break;
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
348 }
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
349 }
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
350 };
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
351 };
1120
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
352
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
353 /**
1125
f1be20adc98b annotatorPlugins is now a list of plugin names (preserving order).
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parents: 1123
diff changeset
354 * returns unauthorizedCallback function for Annotator authlogin plugin.
1120
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
355 */
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
356 var getHandleUnauthorized = function (data) {
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diff changeset
357 return function (auth) {
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
358 // prompt for user name and set user
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
359 setAnnotationUser(data, auth);
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
360 // then try again
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
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diff changeset
361 return true;
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362 };
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363 };
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364
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365 /**
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366 * install additional buttons
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367 */
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368 var installButtons = function(data, buttonSet) {
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369 var settings = data.settings;
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370 var mode = settings.interactionMode;
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371 var buttonSettings = settings.buttonSettings[mode];
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372 // set annotationSet to [] or '' for no buttons (when showing annotations only)
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373 if (buttonSet.length && buttonSet.length > 0) {
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374 buttonSettings.annotationSet = buttonSet;
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375 buttonSettings.buttonSets.push('annotationSet');
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376 }
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377 };
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378
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379 /**
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380 * plugin installation. called by digilib on plugin object.
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381 */
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382 var install = function(plugin) {
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383 digilib = plugin;
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384 console.debug('installing annotator plugin. digilib:', digilib);
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385 // import geometry classes
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386 geom = digilib.fn.geometry;
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387 // add defaults, actions, buttons
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388 $.extend(digilib.defaults, defaults);
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389 $.extend(digilib.actions, actions);
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390 $.extend(digilib.buttons, buttons);
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391 };
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392
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393 /** plugin initialization */
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394 var init = function(data) {
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395 console.debug('initialising annotator plugin. data:', data);
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396 var $data = $(data);
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397 var settings = data.settings;
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398 // set up list of annotation wrappers
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399 data.annotations = [];
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400 // set up buttons
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401 if (digilib.plugins.buttons != null) {
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402 if (settings.annotationsReadOnly) {
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403 installButtons(data, settings.annotationReadOnlySet);
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404 } else {
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405 installButtons(data, settings.annotationSet);
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406 }
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407 }
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408 if (data.dlOpts.annotationUser != null) {
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409 // get annotation user from cookie
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410 settings.annotationUser = data.dlOpts.annotationUser;
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411 }
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412 // install event handler
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413 $data.bind('setup', handleSetup);
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414 $data.bind('update', handleUpdate);
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415 };
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416
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417 /**
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418 * setup creates Annotator object (after HTML setup by digilib).
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419 */
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420 var handleSetup = function(evt) {
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421 console.debug("annotations: handleSetup");
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422 var data = this;
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423 var settings = data.settings;
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424 // set up annotator (after html has been set up)
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425 var uri = getAnnotationPageUrl(data);
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426 var elem = data.$elem.get(0);
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427 var opts = {'readOnly' : data.settings.annotationsReadOnly};
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428 var annotator = new Annotator(elem, opts);
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429 // set plugin parameters
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430 var pluginParams = {
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431 'Auth' : {
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432 'token' : data.dlOpts.annotationToken,
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433 'tokenUrl' : settings.annotationTokenUrl,
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434 'autoFetch' : true,
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435 'requestMethod' : 'POST',
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436 'requestData' : {
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437 'user': settings.annotationUser,
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438 },
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439 'unauthorizedCallback' : getHandleUnauthorized(data)
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440 },
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441 'Permissions' : {
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442 'user' : settings.annotationUser
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443 },
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444 'Store' : {
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445 'prefix' : settings.annotationServerUrl,
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446 'annotationData' : {
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447 'uri': uri
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448 },
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449 'loadFromSearch' : {
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450 'uri': uri
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451 }
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452 },
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453 'DigilibIntegrator' : {
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454 'hooks' : {
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455 'setupAnnotation' : getSetupAnnotation(data),
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456 'annotationDeleted' : getAnnotationDeleted(data)
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457 }
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458 }
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459 };
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460 // merge with settings
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461 $.extend(true, pluginParams, data.settings.annotatorPluginSettings);
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462 // add plugins
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463 $.each(settings.annotatorPlugins, function (idx, name) {
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464 var params = pluginParams[name];
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465 console.debug("plugin:", name, params);
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466 annotator.addPlugin(name, params);
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467 });
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468 // save annotator reference
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469 data.annotator = annotator;
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470 // save annotation token in cookie
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471 var auth = annotator.plugins.Auth;
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472 if (auth != null) {
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473 auth.withToken(function (tkn) {
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474 data.dlOpts.annotationToken = auth.token;
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475 digilib.fn.storeOptions(data);
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476 });
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477 }
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478 };
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479
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480 /**
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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 };
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488
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489 // plugin object with name and init
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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,
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494 init : init,
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495 buttons : {},
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496 actions : {},
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497 fn : {},
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498 plugins : {}
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499 };
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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);
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505 }
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506 })(jQuery);