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annotate webapp/src/main/webapp/jquery/jquery.digilib.annotator.js @ 1140:50d6eaa74b4b

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reorganized annotator plugin settings handling... again.
author robcast
date Fri, 16 Nov 2012 20:30:18 +0100
parents 2df84b3a9ad5
children e05b101f7790
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 // for defaults see below (we need to define the functions used in annotatorPluginSettings first)
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41
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42 var actions = {
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43 /**
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44 * show/hide annotations
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45 */
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46 toggleAnnotations : function (data) {
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47 var show = !data.settings.isAnnotationsVisible;
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48 data.settings.isAnnotationsVisible = show;
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49 digilib.fn.highlightButtons(data, 'annotations', show);
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50 renderAnnotations(data);
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51 },
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52
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53 /**
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54 * set user account for annotations
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55 */
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56 setAnnotationUser : function (data, user, password) {
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57 var annotator = data.annotator;
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58 var auth = annotator.plugins.Auth;
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59 if (auth == null) {
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60 console.error("setAnnotationUser: No Auth plugin!!");
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61 return;
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62 }
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63 setAnnotationUser(data, auth, user, password);
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64 // get new token
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65 auth.token = null;
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66 auth._unsafeToken = null;
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67 auth.requestToken();
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68 // save new token in cookie
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69 auth.withToken(function (tkn) {
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70 data.dlOpts.annotationToken = auth.token;
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71 digilib.fn.storeOptions(data);
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72 // clear annotations
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73 data.annotations = [];
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74 renderAnnotations(data);
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75 // reload annotations
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76 annotator.plugins.Store.pluginInit();
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77 });
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78 },
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79
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80 /**
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81 * set a mark-annotation by clicking (or giving a position and a text)
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82 *
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83 * @param data
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84 * @param mpos
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85 * @param text
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86 */
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87 setAnnotationMark : function (data, mpos, text) {
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88 if (mpos == null) {
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89 // interactive
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90 setAnnotationMark(data);
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91 } else {
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92 // use position and text (and user-id)
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93 console.error("Currently only interactive annotations!");
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94 }
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95 },
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96
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97 /**
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98 * set a region-annotation by clicking (or giving a position and a text)
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99 *
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100 * @param data
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101 * @param rect
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102 * @param text
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103 */
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104 setAnnotationRegion : function (data, rect, text) {
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105 if (rect == null) {
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106 // interactive
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107 setAnnotationRegion(data);
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108 } else {
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109 // use position and text (and user-id)
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110 console.error("Currently only interactive annotations!");
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111 }
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112 }
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113 };
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114
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115 /**
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116 * returns an annotatable url to this digilib image
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117 */
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118 var getAnnotationPageUrl = function(data) {
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119 var url = data.settings.digilibBaseUrl + '/jquery/digilib.html?';
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120 url += digilib.fn.getParamString(data.settings, ['fn', 'pn'], digilib.defaults);
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121 return url;
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122 };
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123
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124 /**
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125 * sets annotation user and password in digilib and Annotator.Auth plugin.
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126 * auth is Auth plugin instance.
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127 */
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128 var setAnnotationUser = function (data, auth, user, password) {
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129 if (user == null) {
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130 // user name entered in JS-prompt
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131 user = window.prompt("Please authenticate (Cancel to log out): User name", data.settings.annotationUser);
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132 if (user != null && user != 'anonymous') {
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133 // password entered in JS-prompt
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134 password = window.prompt("Please authenticate: Password", '');
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135 // set params for Auth plugin
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136 auth.options.requestData.password = password;
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137 // try to use the safe url for the password
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138 if (data.settings.annotationSafeTokenUrl != null) {
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139 auth.options.tokenUrl = data.settings.annotationSafeTokenUrl;
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140 } else {
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141 console.warn("Sending token password over standard-URL!");
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142 }
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143 } else {
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144 // use anonymous user
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145 user = 'anonymous';
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146 delete auth.options.requestData.password;
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147 if (data.settings.annotationSafeTokenUrl != null) {
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148 // reset url to unsafe
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149 auth.options.tokenUrl = data.settings.annotationTokenUrl;
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150 }
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151 }
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152 }
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153 // set user in digilib
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154 data.settings.annotationUser = user;
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155 data.dlOpts.annotationUser = user;
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156 digilib.fn.storeOptions(data);
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157 // set params for Auth plugin
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158 auth.options.requestData.user = user;
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159 // set params for Permissions plugin
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160 var perms = data.annotator.plugins.Permissions;
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161 if (perms != null) {
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162 perms.setUser(user);
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163 }
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164 };
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165
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166
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167 /**
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168 * add a mark-annotation where clicked.
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169 */
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170 var setAnnotationMark = function(data) {
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171 var $scaler = data.$scaler;
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172 // start event capturing
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173 $scaler.one('mousedown.dlSetAnnotationMark', function(evt) {
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174 // event handler adding a new mark
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175 console.log("setAnnotationMark at=", evt);
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176 var annotator = data.annotator;
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177 var mpos = geom.position(evt);
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178 var pos = data.imgTrafo.invtransform(mpos);
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179 // mark selected areas
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180 annotator.selectedAreas = [geom.rectangle(pos)];
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181 // create and edit new annotation
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182 var annotation = annotator.createAnnotation();
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183 annotator.showEditor(annotation, mpos.getAsCss());
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184 return false;
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185 });
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186 };
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187
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188 /**
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189 * add a region-annotation where clicked.
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190 */
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191 var setAnnotationRegion = function(data) {
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192 var annotator = data.annotator;
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193 digilib.fn.defineArea(data, function (data, rect) {
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194 if (rect == null) return;
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195 // event handler adding a new mark
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196 console.log("setAnnotationRegion at=", rect);
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197 // mark selected areas
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198 annotator.selectedAreas = [rect];
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199 // create and edit new annotation
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200 var pos = rect.getPt1();
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201 var mpos = data.imgTrafo.transform(pos);
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202 var annotation = annotator.createAnnotation();
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203 annotator.showEditor(annotation, mpos.getAsCss());
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204 });
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205 };
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206
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207 /**
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208 * place annotations on the image
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209 */
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210 var renderAnnotations = function (data) {
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211 if (data.annotations == null || data.annotator == null || data.$img == null || data.imgTrafo == null)
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212 return;
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213 var annotations = data.annotations;
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214 var cssPrefix = data.settings.cssPrefix;
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215 var $elem = data.$elem;
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216 // show annotation user state
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217 $elem.find('div#'+cssPrefix+'button-annotationuser').attr('title', 'annotation user: '+data.settings.annotationUser);
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218 // clear annotations
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219 $elem.find('div.'+cssPrefix+'annotationmark,div.'+cssPrefix+'annotationregion').remove();
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220 if (!data.settings.isAnnotationsVisible) return;
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221 // re-render
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222 for (var i = 0; i < annotations.length; i++) {
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223 renderAnnotation(data, annotations[i]);
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224 }
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225 };
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226
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227 /**
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228 * place single annotation on the image
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229 */
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230 var renderAnnotation = function (data, annot) {
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231 if (annot == null || annot.annotation == null || annot.annotation.areas == null
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232 || data.$img == null || data.imgTrafo == null)
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233 return;
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234 if (!data.settings.isAnnotationsVisible) return;
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235 var cssPrefix = data.settings.cssPrefix;
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236 var $elem = data.$elem;
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237 var annotator = data.annotator;
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238 var annotation = annot.annotation;
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239 var idx = annot.idx ? annot.idx : '?';
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240 var area = geom.rectangle(annotation.areas[0]);
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241 var screenRect = null;
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242 var $annotation = null;
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243 if (area.isRectangle()) {
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244 var clippedArea = data.zoomArea.intersect(area);
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245 if (clippedArea == null) return;
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246 screenRect = data.imgTrafo.transform(clippedArea);
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247 // console.debug("renderRegion: pos=",geom.position(screenRect));
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248 $annotation = $('<div class="'+cssPrefix+'annotationregion '+cssPrefix+'overlay annotator-hl">'+idx+'</div>');
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249 //addRegionAttributes(data, $regionDiv, attr);
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250 } else {
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251 var pos = area.getPosition();
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252 if (!data.zoomArea.containsPosition(pos)) return;
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253 var screenRect = data.imgTrafo.transform(pos);
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254 // create annotation
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255 var html = '<div class="'+cssPrefix+'annotationmark '+cssPrefix+'overlay annotator-hl">'+idx+'</div>';
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256 $annotation = $(html);
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257 }
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258 // save annotation in data for Annotator
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259 $annotation.data('annotation', annotation);
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260 // save reference to div
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261 annot.$div = $annotation;
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262 $elem.append($annotation);
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263 // hook up Annotator events
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264 $annotation.on("mouseover", annotator.onHighlightMouseover);
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265 $annotation.on("mouseout", annotator.startViewerHideTimer);
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266 screenRect.adjustDiv($annotation);
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267 };
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268
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269 /**
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270 * returns setupAnnotation function using the given data.
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271 */
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272 var getSetupAnnotation = function(data) {
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273 return function (annotation) {
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274 // create annotation wrapper
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275 var ann = {
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276 'annotation' : annotation,
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277 'idx' : data.annotations.length+1
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278 };
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279 // add to list
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280 data.annotations.push(ann);
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281 // render this annotation
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282 renderAnnotation(data, ann);
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283 };
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284 };
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285
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286 /**
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287 * returns annotationDeleted function using the given data.
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288 */
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289 var getAnnotationDeleted = function(data) {
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290 return function (annotation) {
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291 // remove annotation mark
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292 var annots = data.annotations;
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293 for (var i = 0; i < annots.length; ++i) {
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294 var annot = annots[i];
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295 if (annot.annotation === annotation) {
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296 // this is the right wrapper
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297 if (annot.$div != null) {
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298 // remove from screen
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299 annot.$div.remove();
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300 }
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301 // remove from list
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302 delete annots[i];
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303 break;
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304 }
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305 }
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306 };
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307 };
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308
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309 /**
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310 * returns unauthorizedCallback function for Annotator authlogin plugin.
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311 */
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312 var getHandleUnauthorized = function (data) {
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313 return function (auth) {
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314 // prompt for user name and set user
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315 setAnnotationUser(data, auth);
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316 // then try again
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317 return true;
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318 };
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319 };
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320
1140
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321 /**
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322 * returns the annotation server URL.
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323 */
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324 var getAnnotationServerUrl = function (data) {
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325 return data.settings.annotationServerUrl;
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326 };
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327
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328 /**
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329 * returns the annotation token URL.
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330 */
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331 var getAnnotationTokenUrl = function (data) {
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332 return data.settings.annotationTokenUrl;
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333 };
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334
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335 /**
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336 * returns the cached annotation token.
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337 */
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338 var getAnnotationToken = function (data) {
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339 return data.dlOpts.annotationToken;
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340 };
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341
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342 /**
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343 * returns the annotation user.
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344 */
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345 var getAnnotationUser = function (data) {
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346 return data.settings.annotationUser;
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347 };
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348
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349 /**
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350 * install additional buttons
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351 */
1126
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352 var installButtons = function(data, buttonSet) {
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353 var settings = data.settings;
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354 var mode = settings.interactionMode;
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355 var buttonSettings = settings.buttonSettings[mode];
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356 // set annotationSet to [] or '' for no buttons (when showing annotations only)
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357 if (buttonSet.length && buttonSet.length > 0) {
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358 buttonSettings.annotationSet = buttonSet;
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359 buttonSettings.buttonSets.push('annotationSet');
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360 }
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361 };
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362
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363 var defaults = {
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364 // are annotations active?
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365 'isAnnotationsVisible' : true,
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diff changeset
366 // buttonset of this plugin
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367 'annotationSet' : ['annotations', 'annotationuser', 'annotationmark', 'annotationregion', 'lessoptions'],
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368 'annotationReadOnlySet' : ['annotations', 'lessoptions'],
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369 // URL of annotation server .e.g. 'http://tuxserve03.mpiwg-berlin.mpg.de/AnnotationManager/annotator'
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370 'annotationServerUrl' : null,
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371 // are the annotations read-only
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372 'annotationsReadOnly' : false,
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373 // URL of authentication token server e.g. 'http://libcoll.mpiwg-berlin.mpg.de/libviewa/template/token'
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374 'annotationTokenUrl' : null,
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diff changeset
375 // URL of safe authentication token server e.g. 'https://libcoll.mpiwg-berlin.mpg.de/libviewa/template/token'
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376 'annotationSafeTokenUrl' : null,
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377 // annotation user name
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378 'annotationUser' : 'anonymous',
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diff changeset
379 // list of Annotator plugins
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380 'annotatorPlugins' : ['Auth', 'Permissions', 'Store', 'DigilibIntegrator'],
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381 // Annotator plugin settings (values that are functions are replaced by fn(data))
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382 'annotatorPluginSettings' : {
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383 'Auth' : {
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384 'token' : getAnnotationToken,
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385 'tokenUrl' : getAnnotationTokenUrl,
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386 'autoFetch' : true,
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387 'requestMethod' : 'POST',
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388 'requestData' : {
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389 'user': getAnnotationUser
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390 },
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391 'unauthorizedCallback' : getHandleUnauthorized
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392 },
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393 'Permissions' : {
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394 'user' : getAnnotationUser,
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395 // userString and userId have to remain functions after evaluation
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396 'userString' : function (data) {
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397 return function(user) {
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398 if (user && user.name) {
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399 return user.name;
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400 }
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401 return user;
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402 };
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403 },
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404 'userId' : function (data) {
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diff changeset
405 return function(user) {
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diff changeset
406 if (user && user.id) {
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diff changeset
407 return user.id;
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408 }
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409 return user;
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410 };
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411 }
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412 },
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413 'Store' : {
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414 'prefix' : getAnnotationServerUrl,
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parents: 1138
diff changeset
415 'annotationData': {
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416 'uri': getAnnotationPageUrl
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parents: 1138
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417 },
50d6eaa74b4b reorganized annotator plugin settings handling... again.
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parents: 1138
diff changeset
418 'loadFromSearch': {
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parents: 1138
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419 'uri': getAnnotationPageUrl
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420 }
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421 },
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422 'DigilibIntegrator' : {
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parents: 1138
diff changeset
423 'hooks' : {
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diff changeset
424 'setupAnnotation' : getSetupAnnotation,
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parents: 1138
diff changeset
425 'annotationDeleted' : getAnnotationDeleted
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parents: 1138
diff changeset
426 }
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parents: 1138
diff changeset
427 }
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diff changeset
428
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429 }
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diff changeset
430 };
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431
1113
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432 /**
7affda55c10e using annotator in digilib works somewhat now.
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433 * plugin installation. called by digilib on plugin object.
7affda55c10e using annotator in digilib works somewhat now.
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434 */
7affda55c10e using annotator in digilib works somewhat now.
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435 var install = function(plugin) {
7affda55c10e using annotator in digilib works somewhat now.
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436 digilib = plugin;
1115
526dafa4690d using annotator in digilib works now. code still ugly.
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437 console.debug('installing annotator plugin. digilib:', digilib);
1113
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parents:
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438 // import geometry classes
7affda55c10e using annotator in digilib works somewhat now.
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439 geom = digilib.fn.geometry;
1116
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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440 // add defaults, actions, buttons
1113
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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441 $.extend(digilib.defaults, defaults);
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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442 $.extend(digilib.actions, actions);
7affda55c10e using annotator in digilib works somewhat now.
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parents:
diff changeset
443 $.extend(digilib.buttons, buttons);
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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444 };
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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445
7affda55c10e using annotator in digilib works somewhat now.
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446 /** plugin initialization */
7affda55c10e using annotator in digilib works somewhat now.
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447 var init = function(data) {
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448 console.debug('initialising annotator plugin. data:', data);
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449 var $data = $(data);
1126
f14220f939d5 add annotationsReadOnly mode.
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450 var settings = data.settings;
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451 // set up list of annotation wrappers
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452 data.annotations = [];
1126
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453 // set up buttons
1113
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parents:
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454 if (digilib.plugins.buttons != null) {
1126
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parents: 1125
diff changeset
455 if (settings.annotationsReadOnly) {
f14220f939d5 add annotationsReadOnly mode.
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parents: 1125
diff changeset
456 installButtons(data, settings.annotationReadOnlySet);
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diff changeset
457 } else {
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diff changeset
458 installButtons(data, settings.annotationSet);
f14220f939d5 add annotationsReadOnly mode.
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459 }
1113
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460 }
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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461 if (data.dlOpts.annotationUser != null) {
7affda55c10e using annotator in digilib works somewhat now.
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parents:
diff changeset
462 // get annotation user from cookie
1126
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463 settings.annotationUser = data.dlOpts.annotationUser;
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parents:
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464 }
7affda55c10e using annotator in digilib works somewhat now.
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465 // install event handler
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466 $data.bind('setup', handleSetup);
7affda55c10e using annotator in digilib works somewhat now.
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467 $data.bind('update', handleUpdate);
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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468 };
7affda55c10e using annotator in digilib works somewhat now.
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469
7affda55c10e using annotator in digilib works somewhat now.
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diff changeset
470 /**
1126
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471 * setup creates Annotator object (after HTML setup by digilib).
1113
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472 */
7affda55c10e using annotator in digilib works somewhat now.
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473 var handleSetup = function(evt) {
7affda55c10e using annotator in digilib works somewhat now.
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474 console.debug("annotations: handleSetup");
7affda55c10e using annotator in digilib works somewhat now.
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475 var data = this;
1125
f1be20adc98b annotatorPlugins is now a list of plugin names (preserving order).
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476 var settings = data.settings;
1113
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477 // set up annotator (after html has been set up)
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478 var uri = getAnnotationPageUrl(data);
1126
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479 var elem = data.$elem.get(0);
f14220f939d5 add annotationsReadOnly mode.
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480 var opts = {'readOnly' : data.settings.annotationsReadOnly};
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481 var annotator = new Annotator(elem, opts);
1116
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482 // set plugin parameters
1140
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483 var def = defaults.annotatorPluginSettings;
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484 var pluginParams = {};
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diff changeset
485 // merge settings
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parents: 1138
diff changeset
486 // (deep copy of defaults from plugin and options from HTML)
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diff changeset
487 $.extend(true, pluginParams, defaults.annotatorPluginSettings, data.options.annotatorPluginSettings);
50d6eaa74b4b reorganized annotator plugin settings handling... again.
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diff changeset
488 // function to evaluate plugin settings
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diff changeset
489 var evalParams = function (params) {
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diff changeset
490 if (params == null) return;
50d6eaa74b4b reorganized annotator plugin settings handling... again.
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diff changeset
491 // eval functions in params
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parents: 1138
diff changeset
492 $.each(params, function (idx, param) {
50d6eaa74b4b reorganized annotator plugin settings handling... again.
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parents: 1138
diff changeset
493 if (typeof param === 'function') {
50d6eaa74b4b reorganized annotator plugin settings handling... again.
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diff changeset
494 // replace function by value
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diff changeset
495 params[idx] = param(data);
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496 } else if (param == null) {
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diff changeset
497 // delete value null
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diff changeset
498 delete params[idx];
50d6eaa74b4b reorganized annotator plugin settings handling... again.
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499 } else if (typeof param === 'object') {
50d6eaa74b4b reorganized annotator plugin settings handling... again.
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diff changeset
500 // evaluate sub-objects
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diff changeset
501 evalParams(param);
1116
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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502 }
1140
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503 });
1116
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
504 };
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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parents: 1115
diff changeset
505 // add plugins
1125
f1be20adc98b annotatorPlugins is now a list of plugin names (preserving order).
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parents: 1123
diff changeset
506 $.each(settings.annotatorPlugins, function (idx, name) {
1140
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diff changeset
507 var params = pluginParams[name];
50d6eaa74b4b reorganized annotator plugin settings handling... again.
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diff changeset
508 evalParams(params);
1116
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diff changeset
509 console.debug("plugin:", name, params);
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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parents: 1115
diff changeset
510 annotator.addPlugin(name, params);
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
511 });
08206603c7dc annotations use new Annotator-digilibintegration plugin.
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diff changeset
512 // save annotator reference
1115
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diff changeset
513 data.annotator = annotator;
1120
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
robcast
parents: 1119
diff changeset
514 // save annotation token in cookie
8bd10cd04169 authentication for annotations with password works now. (permissions are still flaky.)
robcast
parents: 1119
diff changeset
515 var auth = annotator.plugins.Auth;
1126
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parents: 1125
diff changeset
516 if (auth != null) {
f14220f939d5 add annotationsReadOnly mode.
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parents: 1125
diff changeset
517 auth.withToken(function (tkn) {
f14220f939d5 add annotationsReadOnly mode.
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parents: 1125
diff changeset
518 data.dlOpts.annotationToken = auth.token;
f14220f939d5 add annotationsReadOnly mode.
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parents: 1125
diff changeset
519 digilib.fn.storeOptions(data);
f14220f939d5 add annotationsReadOnly mode.
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parents: 1125
diff changeset
520 });
f14220f939d5 add annotationsReadOnly mode.
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diff changeset
521 }
1113
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522 };
7affda55c10e using annotator in digilib works somewhat now.
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parents:
diff changeset
523
7affda55c10e using annotator in digilib works somewhat now.
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parents:
diff changeset
524 /**
7affda55c10e using annotator in digilib works somewhat now.
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parents:
diff changeset
525 * update renders all annotations.
7affda55c10e using annotator in digilib works somewhat now.
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parents:
diff changeset
526 */
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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527 var handleUpdate = function(evt) {
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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528 console.debug("annotations: handleUpdate");
7affda55c10e using annotator in digilib works somewhat now.
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parents:
diff changeset
529 var data = this;
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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530 renderAnnotations(data);
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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531 };
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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532
7affda55c10e using annotator in digilib works somewhat now.
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533 // plugin object with name and init
7affda55c10e using annotator in digilib works somewhat now.
robcast
parents:
diff changeset
534 // shared objects filled by digilib on registration
7affda55c10e using annotator in digilib works somewhat now.
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parents:
diff changeset
535 var plugin = {
1115
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parents: 1114
diff changeset
536 name : 'annotator',
1113
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parents:
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537 install : install,
7affda55c10e using annotator in digilib works somewhat now.
robcast
parents:
diff changeset
538 init : init,
7affda55c10e using annotator in digilib works somewhat now.
robcast
parents:
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539 buttons : {},
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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540 actions : {},
7affda55c10e using annotator in digilib works somewhat now.
robcast
parents:
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541 fn : {},
7affda55c10e using annotator in digilib works somewhat now.
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parents:
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542 plugins : {}
7affda55c10e using annotator in digilib works somewhat now.
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543 };
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544
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545 if ($.fn.digilib == null) {
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546 $.error("jquery.digilib.annotator must be loaded after jquery.digilib!");
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547 } else {
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548 $.fn.digilib('plugin', plugin);
7affda55c10e using annotator in digilib works somewhat now.
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549 }
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550 })(jQuery);