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annotate webapp/src/main/webapp/jquery/jquery.digilib.regions.js @ 1060:d9abeaa44c49

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better region info
author hertzhaft
date Sat, 31 Mar 2012 19:56:53 +0200
parents 4aa90cccb3e4
children a45894a81e40
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /** optional digilib regions plugin
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2
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3 Mark up a digilib image with rectangular regions.
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4
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5 If hasRegionInfo=true reads regions from page HTML.
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6 Element with regions has to be in digilib element, e.g.
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7
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8 <map class="dl-keep dl-regioncontent">
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9 <area href="http://www.mpiwg-berlin.mpg.de" coords="0.1,0.1,0.4,0.1" alt="MPI fuer Wissenschaftsgeschichte"/>
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10 <area href="http://www.biblhertz.it" coords="0.5,0.8,0.4,0.1" alt="Bibliotheca Hertziana"/>
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11 <area coords="0.3,0.5,0.15,0.1" />
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12 </map>
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13
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14 */
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15
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16 (function($) {
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17 // the digilib object
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18 var digilib = null;
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19 // the functions made available by digilib
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20 var fn = {
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21 // dummy function to avoid errors, gets overwritten by buttons plugin
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22 highlightButtons : function () {
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23 console.debug('regions: dummy function - highlightButtons');
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24 }
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25 };
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26 // affine geometry plugin
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27 var geom = null;
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28
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29 var buttons = {
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30 addregion : {
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31 onclick : "defineRegion",
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32 tooltip : "define a region",
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33 icon : "addregion.png"
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34 },
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35 delregion : {
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36 onclick : "removeRegion",
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37 tooltip : "delete the last region",
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38 icon : "delregion.png"
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39 },
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40 regions : {
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41 onclick : "toggleRegions",
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42 tooltip : "show or hide regions",
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43 icon : "regions.png"
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44 },
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45 regioninfo : {
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46 onclick : "showRegionInfo",
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47 tooltip : "show information about regions",
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48 icon : "regioninfo.png"
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49 }
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50 };
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51
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52 var defaults = {
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53 // are regions shown?
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54 'isRegionVisible' : true,
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55 // are region numbers shown?
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56 'showRegionNumbers' : true,
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57 // is there region content in the page?
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58 'processHtmlRegions' : false,
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59 // region defined by users and in the URL
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60 'processUserRegions' : true,
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61 // turn any region into a clickable link to its detail view
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62 'autoZoomRegionLinks' : false,
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63 // use full region as klickable link (instead of only number and text)
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64 'fullRegionLinks' : false,
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65 // css selector for area elements (should additionally be marked with class "keep")
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66 'regionContentSelector' : 'map.dl-regioncontent area',
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67 // buttonset of this plugin
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68 'regionSet' : ['regions', 'addregion', 'delregion', 'regioninfo', 'lessoptions'],
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69 // url param for regions
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70 'rg' : null
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71 };
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72
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73 var actions = {
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74
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75 // define a region interactively with two clicked points
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76 defineRegion : function(data) {
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77 if (!data.settings.isRegionVisible) {
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78 alert("Please turn on regions visibility!");
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79 return;
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80 }
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81 var cssPrefix = data.settings.cssPrefix;
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82 var $elem = data.$elem;
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83 var $body = $('body');
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84 var bodyRect = geom.rectangle($body);
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85 var $scaler = data.$scaler;
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86 var scalerRect = geom.rectangle($scaler);
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87 var pt1, pt2;
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88 // overlay prevents other elements from reacting to mouse events
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89 var $overlay = $('<div class="'+cssPrefix+'overlay" style="position:absolute"/>');
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90 $body.append($overlay);
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91 bodyRect.adjustDiv($overlay);
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92 var $regionDiv = addRegionDiv(data, data.regions.length);
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93
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94 // mousedown handler: start sizing
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95 var regionStart = function (evt) {
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96 pt1 = geom.position(evt);
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97 // setup and show zoom div
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98 pt1.adjustDiv($regionDiv);
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99 $regionDiv.width(0).height(0);
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100 $regionDiv.show();
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101 // register mouse events
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102 $overlay.on("mousemove.dlRegion", regionMove);
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103 $overlay.on("mouseup.dlRegion", regionEnd);
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104 return false;
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105 };
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106
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107 // mousemove handler: size region
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108 var regionMove = function (evt) {
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109 pt2 = geom.position(evt);
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110 var rect = geom.rectangle(pt1, pt2);
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111 rect.clipTo(scalerRect);
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112 // update region
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113 rect.adjustDiv($regionDiv);
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114 return false;
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115 };
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116
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117 // mouseup handler: end sizing
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118 var regionEnd = function (evt) {
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119 pt2 = geom.position(evt);
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120 // assume a click and continue if the area is too small
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121 var clickRect = geom.rectangle(pt1, pt2);
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122 if (clickRect.getArea() <= 5) return false;
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123 // unregister mouse events and get rid of overlay
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124 $overlay.off("mousemove.dlRegion", regionMove);
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125 $overlay.off("mouseup.dlRegion", regionEnd);
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126 $overlay.remove();
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127 // clip region
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128 clickRect.clipTo(scalerRect);
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129 clickRect.adjustDiv($regionDiv);
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130 storeRegion(data, $regionDiv);
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131 // fn.redisplay(data);
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132 fn.highlightButtons(data, 'addregion', 0);
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133 redisplay(data);
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134 return false;
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135 };
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136
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137 // bind start zoom handler
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138 $overlay.one('mousedown.dlRegion', regionStart);
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139 fn.highlightButtons(data, 'addregion', 1);
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140 },
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141
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142 // remove the last added region
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143 removeRegion : function (data) {
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144 if (!data.settings.isRegionVisible) {
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145 alert("Please turn on regions visibility!");
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146 return;
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147 }
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148 var region = data.regions.pop();
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149 if (region == null) return;
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150 var $regionDiv = region.$div;
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151 $regionDiv.remove();
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152 redisplay(data);
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153 },
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154
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155 // show/hide regions
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156 toggleRegions : function (data) {
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157 var show = !data.settings.isRegionVisible;
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158 data.settings.isRegionVisible = show;
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159 fn.highlightButtons(data, 'regions', show);
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160 renderRegions(data, 1);
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161 },
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162
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163 // show region info in a window
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164 showRegionInfo : function (data) {
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165 var $elem = data.$elem;
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166 var cssPrefix = data.settings.cssPrefix;
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167 var infoselector = '#'+cssPrefix+'regionInfo';
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168 if (fn.find(data, infoselector)) {
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169 fn.withdraw($info);
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170 return;
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171 }
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172 var html = '\
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173 <div id="'+cssPrefix+'regionInfo" class="'+cssPrefix+'keep '+cssPrefix+'regionInfo">\
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174 <table class="'+cssPrefix+'infoheader">\
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175 <tr>\
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176 <td class="'+cssPrefix+'infobutton html">HTML</td>\
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177 <td class="'+cssPrefix+'infobutton svgattr">SVG</td>\
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178 <td class="'+cssPrefix+'infobutton csv">CSV</td>\
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179 <td class="'+cssPrefix+'infobutton digilib">Digilib</td>\
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180 <td class="'+cssPrefix+'infobutton x">X</td>\
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diff changeset
181 </tr>\
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182 </table>\
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183 </div>';
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184 $info = $(html);
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185 $info.appendTo($elem);
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186 $info.append(regionInfoHTML(data));
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187 $info.append(regionInfoSVG(data));
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188 $info.append(regionInfoCSV(data));
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189 $info.append(regionInfoDigilib(data));
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190 var bind = function(name) {
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191 $info.find('.'+name).on('click.regioninfo', function () {
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192 $info.find('div.'+cssPrefix+'info').hide();
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193 $info.find('div.'+cssPrefix+name).show();
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194 fn.centerOnScreen(data, $info);
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e4133946a9ad display regions as HTML for use in digilib element
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195 });
1048
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196 };
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197 bind('html');
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198 bind('svgattr');
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199 bind('csv');
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200 bind('digilib');
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diff changeset
201 $info.find('.x').on('click.regioninfo', function () {
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diff changeset
202 fn.withdraw($info);
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203 });
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204 $info.fadeIn();
1060
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205 fn.centerOnScreen(data, $info);
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497ab03868ab moved marks to separate plugin. (pack and unpack is still in digilib.js)
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206 }
792
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207 };
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208
813
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209 // store a region div
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210 var storeRegion = function (data, $regionDiv) {
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211 var regions = data.regions;
1a7b14deae3a regions plugin works, inclunding event handlers
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212 var rect = geom.rectangle($regionDiv);
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213 var regionRect = data.imgTrafo.invtransform(rect);
1a7b14deae3a regions plugin works, inclunding event handlers
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214 regionRect.$div = $regionDiv;
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215 regions.push(regionRect);
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216 console.debug("regions", data.regions, "regionRect", regionRect);
1a7b14deae3a regions plugin works, inclunding event handlers
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217 };
1a7b14deae3a regions plugin works, inclunding event handlers
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218
855
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219 // html for later insertion
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220 var regionInfoHTML = function (data) {
996
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221 var cssPrefix = data.settings.cssPrefix;
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222 var $infoDiv = $('<div class="'+cssPrefix+'info '+cssPrefix+'html"/>');
1027
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223 $infoDiv.append($('<div/>').text('<map class="'+cssPrefix+'keep '+cssPrefix+'regioncontent">'));
855
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224 $.each(data.regions, function(index, r) {
872
d46706f0eede crop region info
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225 var area = [
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226 fn.cropFloatStr(r.x),
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227 fn.cropFloatStr(r.y),
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228 fn.cropFloatStr(r.width),
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229 fn.cropFloatStr(r.height)].join(',');
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230 $infoDiv.append($('<div/>').text('<area coords="' + area + '"/>'));
855
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231 });
1027
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232 $infoDiv.append($('<div/>').text('</map>'));
855
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233 return $infoDiv;
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234 };
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235
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236 // SVG-style
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237 var regionInfoSVG = function (data) {
996
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238 var cssPrefix = data.settings.cssPrefix;
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239 var $infoDiv = $('<div class="'+cssPrefix+'info '+cssPrefix+'svgattr"/>');
855
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240 $.each(data.regions, function(index, r) {
872
d46706f0eede crop region info
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241 var area = [
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242 fn.cropFloatStr(r.x),
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diff changeset
243 fn.cropFloatStr(r.y),
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diff changeset
244 fn.cropFloatStr(r.width),
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diff changeset
245 fn.cropFloatStr(r.height)].join(' ');
855
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246 $infoDiv.append($('<div/>').text('"' + area + '"'));
2c401f68d577 better region info
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247 });
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248 return $infoDiv;
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249 };
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250
1060
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251 // SVG-style
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252 var regionInfoCSV = function (data) {
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253 var cssPrefix = data.settings.cssPrefix;
d9abeaa44c49 better region info
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diff changeset
254 var $infoDiv = $('<div class="'+cssPrefix+'info '+cssPrefix+'csv"/>');
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diff changeset
255 $.each(data.regions, function(index, r) {
d9abeaa44c49 better region info
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diff changeset
256 var area = [
d9abeaa44c49 better region info
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diff changeset
257 fn.cropFloatStr(r.x),
d9abeaa44c49 better region info
hertzhaft
parents: 1048
diff changeset
258 fn.cropFloatStr(r.y),
d9abeaa44c49 better region info
hertzhaft
parents: 1048
diff changeset
259 fn.cropFloatStr(r.width),
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diff changeset
260 fn.cropFloatStr(r.height)].join(',');
d9abeaa44c49 better region info
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diff changeset
261 $infoDiv.append($('<div/>').text(index+1 + ": " + area));
d9abeaa44c49 better region info
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diff changeset
262 });
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263 return $infoDiv;
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264 };
855
2c401f68d577 better region info
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diff changeset
265 // digilib-style
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266 var regionInfoDigilib = function (data) {
996
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267 var cssPrefix = data.settings.cssPrefix;
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268 var $infoDiv = $('<div class="'+cssPrefix+'info '+cssPrefix+'digilib"/>');
855
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diff changeset
269 $.each(data.regions, function(index, r) {
862
7ebdc106a61a second step towards zoom arrows
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270 var area = r.toString();
855
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diff changeset
271 $infoDiv.append($('<div/>').text(area));
2c401f68d577 better region info
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diff changeset
272 });
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273 return $infoDiv;
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diff changeset
274 };
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275
813
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
276 // add a region to data.$elem
873
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diff changeset
277 var addRegionDiv = function (data, index, attributes) {
1025
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diff changeset
278 var settings = data.settings;
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279 var cssPrefix = settings.cssPrefix;
823
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diff changeset
280 var nr = index + 1; // we count regions from 1
996
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281 var $regionDiv = $('<div class="'+cssPrefix+'region '+cssPrefix+'overlay" style="display:none"/>');
813
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
282 data.$elem.append($regionDiv);
1025
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diff changeset
283 if (settings.showRegionNumbers) {
1024
4ee43243a6a0 more clean up.
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diff changeset
284 var $regionLink = $('<a class="'+cssPrefix+'regionnumber">'+nr+'</a>');
920
07c989c41b4f made plugins more jquery 1.7 compliant
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parents: 903
diff changeset
285 if (attributes) $regionLink.attr(attributes);
851
5922c444cd11 fixed region position bug in embedded mode, sigh
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diff changeset
286 $regionDiv.append($regionLink);
813
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
287 }
1025
c75858ee4452 more fiddling with regions.
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parents: 1024
diff changeset
288 var url = null;
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diff changeset
289 if (attributes) {
1027
ff19b9e936d3 allow predefined and user regions at the same time.
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diff changeset
290 // copy attributes to div except href
1025
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parents: 1024
diff changeset
291 if (attributes.href) {
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diff changeset
292 url = attributes.href;
1027
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diff changeset
293 // copy attributes
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diff changeset
294 var attrs = $.extend({}, attributes);
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diff changeset
295 delete attrs.href;
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diff changeset
296 $regionDiv.attr(attrs);
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diff changeset
297 } else {
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diff changeset
298 $regionDiv.attr(attributes);
1025
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diff changeset
299 }
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diff changeset
300 }
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diff changeset
301 if (settings.autoZoomRegionLinks || settings.fullRegionLinks) {
1027
ff19b9e936d3 allow predefined and user regions at the same time.
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parents: 1025
diff changeset
302 // handle click events on div
1025
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parents: 1024
diff changeset
303 var region = data.regions[index];
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parents: 1024
diff changeset
304 $regionDiv.on('click.dlRegion', function(evt) {
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diff changeset
305 if (settings.fullRegionLinks && url) {
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parents: 1024
diff changeset
306 //TODO: how about target?
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diff changeset
307 window.location = url;
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diff changeset
308 }
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parents: 1024
diff changeset
309 if (evt.target !== $regionDiv.get(0)) {
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diff changeset
310 // this was not our event
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diff changeset
311 return;
1024
4ee43243a6a0 more clean up.
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diff changeset
312 }
1025
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diff changeset
313 if (settings.autoZoomRegionLinks) {
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diff changeset
314 // zoom to region
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diff changeset
315 digilib.actions.zoomArea(data, region);
1024
4ee43243a6a0 more clean up.
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diff changeset
316 }
851
5922c444cd11 fixed region position bug in embedded mode, sigh
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diff changeset
317 });
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
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diff changeset
318 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
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diff changeset
319 return $regionDiv;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
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diff changeset
320 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
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diff changeset
321
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
322 // create a region div from the data.regions array
947
5bde01bcfb16 button plugin works now.
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parents: 941
diff changeset
323 var createRegionDiv = function (data, regions, index, attributes) {
1027
ff19b9e936d3 allow predefined and user regions at the same time.
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diff changeset
324 var region = regions[index];
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diff changeset
325 // check if div exists
ff19b9e936d3 allow predefined and user regions at the same time.
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parents: 1025
diff changeset
326 if (region.$div != null) return region.$div;
ff19b9e936d3 allow predefined and user regions at the same time.
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parents: 1025
diff changeset
327 // create and add div
873
29f214f59654 copy more region attributes
hertzhaft
parents: 872
diff changeset
328 var $regionDiv = addRegionDiv(data, index, attributes);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
329 region.$div = $regionDiv;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
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diff changeset
330 return $regionDiv;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
331 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
332
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
333 // create regions from URL parameters
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
334 var createRegionsFromURL = function (data) {
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
335 unpackRegions(data);
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
336 var regions = data.regions;
832
e4133946a9ad display regions as HTML for use in digilib element
hertzhaft
parents: 824
diff changeset
337 $.each(regions, function(i) {
947
5bde01bcfb16 button plugin works now.
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diff changeset
338 createRegionDiv(data, regions, i);
1027
ff19b9e936d3 allow predefined and user regions at the same time.
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diff changeset
339 });
792
d742bd92b05a first step to a regions plugin
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parents:
diff changeset
340 };
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
341
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
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diff changeset
342 // create regions from HTML
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
343 var createRegionsFromHTML = function (data) {
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
344 var regions = data.regions;
1025
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parents: 1024
diff changeset
345 // regions are defined in "area" tags
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diff changeset
346 var $content = data.$elem.find(data.settings.regionContentSelector);
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
347 console.debug("createRegionsFromHTML. elems: ", $content);
835
9fa078dcb493 predefine region content with a rel=
hertzhaft
parents: 832
diff changeset
348 $content.each(function(index, a) {
9fa078dcb493 predefine region content with a rel=
hertzhaft
parents: 832
diff changeset
349 var $a = $(a);
852
4658ec2f9565 why not use coords attribute for coords?
hertzhaft
parents: 851
diff changeset
350 // the "coords" attribute contains the region coords (0..1)
4658ec2f9565 why not use coords attribute for coords?
hertzhaft
parents: 851
diff changeset
351 var coords = $a.attr('coords');
1027
ff19b9e936d3 allow predefined and user regions at the same time.
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parents: 1025
diff changeset
352 var pos = coords.split(',', 4);
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
353 var rect = geom.rectangle(pos[0], pos[1], pos[2], pos[3]);
1027
ff19b9e936d3 allow predefined and user regions at the same time.
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parents: 1025
diff changeset
354 rect.fromHtml = true;
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
355 regions.push(rect);
1024
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
356 // copy some attributes
873
29f214f59654 copy more region attributes
hertzhaft
parents: 872
diff changeset
357 var attributes = {};
1024
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
358 for (var n in {'id':1, 'href':1, 'title':1, 'target':1, 'style':1}) {
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
359 attributes[n] = $a.attr(n);
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
360 }
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
361 // create the div
947
5bde01bcfb16 button plugin works now.
robcast
parents: 941
diff changeset
362 var $regionDiv = createRegionDiv(data, regions, index, attributes);
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
363 var $contents = $a.contents().clone();
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
364 if (attributes.href != null) {
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
365 // wrap contents in a-tag
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
366 var $ca = $('<a href="'+attributes.href+'"/>');
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
367 $ca.append($contents);
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
368 // alt attribute is also content (BTW: area-tag has no content())
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
369 $ca.append($a.attr('alt'));
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
370 $regionDiv.append($ca);
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
371 } else {
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
372 $regionDiv.append($contents);
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
373 // alt attribute is also content (BTW: area-tag has no content())
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
374 $regionDiv.append($a.attr('alt'));
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
375 }
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
376 });
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
377 };
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
378
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
379 // show a region on top of the scaler image
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
380 var renderRegion = function (data, index, anim) {
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
381 if (!data.imgTrafo) return;
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
382 var regions = data.regions;
950
164d69e2c481 much nicer implementation of preview for scrolling and zooming.
robcast
parents: 947
diff changeset
383 var zoomArea = data.zoomArea;
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
384 if (index > regions.length) return;
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
385 var region = regions[index];
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
386 var $regionDiv = region.$div;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
387 if (!$regionDiv) {
950
164d69e2c481 much nicer implementation of preview for scrolling and zooming.
robcast
parents: 947
diff changeset
388 console.error("renderRegion: region has no $div", region);
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
389 // alert("renderRegion: region has no $div to show");
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
390 return;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
391 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
392 var regionRect = region.copy();
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
393 var show = data.settings.isRegionVisible;
950
164d69e2c481 much nicer implementation of preview for scrolling and zooming.
robcast
parents: 947
diff changeset
394 if (show && zoomArea.overlapsRect(regionRect)) {
164d69e2c481 much nicer implementation of preview for scrolling and zooming.
robcast
parents: 947
diff changeset
395 regionRect.clipTo(zoomArea);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
396 var screenRect = data.imgTrafo.transform(regionRect);
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
397 console.debug("renderRegion: pos=",geom.position(screenRect));
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
398 if (anim) {
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
399 $regionDiv.fadeIn();
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
400 } else{
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
401 $regionDiv.show();
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
402 }
1024
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
403 // adjustDiv sets wrong coords when called BEFORE show()
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
404 screenRect.adjustDiv($regionDiv);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
405 } else {
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
406 if (anim) {
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
407 $regionDiv.fadeOut();
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
408 } else{
824
f0a5e4d2cba7 hide region when outside of zoomArea, not show
hertzhaft
parents: 823
diff changeset
409 $regionDiv.hide();
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
410 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
411 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
412 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
413
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
414 // show regions
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
415 var renderRegions = function (data, anim) {
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
416 for (var i = 0; i < data.regions.length ; i++) {
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
417 renderRegion(data, i, anim);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
418 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
419 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
420
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
421 var unpackRegions = function (data) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
422 // create regions from parameters
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
423 var rg = data.settings.rg;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
424 if (rg == null) return;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
425 var regions = data.regions;
958
2a2e8c039c29 changed regions parameter separator to the same as for marks
hertzhaft
parents: 950
diff changeset
426 var rs = rg.split(",");
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
427 for (var i = 0; i < rs.length; i++) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
428 var r = rs[i];
958
2a2e8c039c29 changed regions parameter separator to the same as for marks
hertzhaft
parents: 950
diff changeset
429 var pos = r.split("/", 4);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
430 var rect = geom.rectangle(pos[0], pos[1], pos[2], pos[3]);
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
431 regions.push(rect);
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
432 }
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
433 };
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
434
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
435 // pack regions array into a parameter string
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
436 var packRegions = function (data) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
437 var regions = data.regions;
815
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
438 if (!regions.length) {
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
439 data.settings.rg = null;
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
440 return;
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
441 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
442 var rg = '';
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
443 for (var i = 0; i < regions.length; i++) {
1024
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
444 var region = regions[i];
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
445 // skip regions from HTML
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
446 if (region.fromHtml != null) continue;
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
447 if (rg) {
958
2a2e8c039c29 changed regions parameter separator to the same as for marks
hertzhaft
parents: 950
diff changeset
448 rg += ',';
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
449 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
450 rg += [
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
451 fn.cropFloatStr(region.x),
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
452 fn.cropFloatStr(region.y),
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
453 fn.cropFloatStr(region.width),
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
454 fn.cropFloatStr(region.height)
958
2a2e8c039c29 changed regions parameter separator to the same as for marks
hertzhaft
parents: 950
diff changeset
455 ].join('/');
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
456 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
457 data.settings.rg = rg;
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
458 };
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
459
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
460 // reload display after a region has been added or removed
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
461 var redisplay = function (data) {
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
462 if (data.settings.processUserRegions) {
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
463 packRegions(data);
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
464 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
465 fn.redisplay(data);
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
466 };
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
467
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
468 // event handler, reads region parameter and creates region divs
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
469 var handleSetup = function (evt) {
941
565789329189 fix non-local variable use.
robcast
parents: 920
diff changeset
470 var data = this;
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
471 var settings = data.settings;
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
472 console.debug("regions: handleSetup", settings.rg);
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
473 // regions with content are given in HTML divs
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
474 if (settings.processHtmlRegions) {
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
475 createRegionsFromHTML(data);
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
476 }
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
477 // regions are defined in the URL
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
478 if (settings.processUserRegions) {
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
479 createRegionsFromURL(data);
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
480 }
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
481 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
482
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
483 // event handler, sets buttons and shows regions when scaler img is reloaded
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
484 var handleUpdate = function (evt) {
941
565789329189 fix non-local variable use.
robcast
parents: 920
diff changeset
485 var data = this;
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
486 console.debug("regions: handleUpdate");
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
487 var settings = data.settings;
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
488 fn.highlightButtons(data, 'regions' , settings.isRegionVisible);
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
489 renderRegions(data);
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
490 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
491
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
492 // additional buttons
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
493 var installButtons = function (data) {
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
494 var settings = data.settings;
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
495 var mode = settings.interactionMode;
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
496 var buttonSettings = settings.buttonSettings[mode];
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
497 // configure buttons through digilib "regionSet" option
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
498 var buttonSet = settings.regionSet || regionSet;
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
499 // set regionSet to [] or '' for no buttons (when showing regions only)
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
500 if (buttonSet.length && buttonSet.length > 0) {
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
501 buttonSettings.regionSet = buttonSet;
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
502 buttonSettings.buttonSets.push('regionSet');
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
503 }
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
504 };
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
505
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
506 // plugin installation called by digilib on plugin object.
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
507 var install = function(plugin) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
508 digilib = plugin;
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
509 console.debug('installing regions plugin. digilib:', digilib);
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
510 // import digilib functions
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
511 $.extend(fn, digilib.fn);
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
512 // import geometry classes
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
513 geom = fn.geometry;
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
514 // add defaults, actions, buttons
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
515 $.extend(digilib.defaults, defaults);
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
516 $.extend(digilib.actions, actions);
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
517 $.extend(digilib.buttons, buttons);
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
518 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
519
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
520 // plugin initialization
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
521 var init = function (data) {
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
522 console.debug('initialising regions plugin. data:', data);
835
9fa078dcb493 predefine region content with a rel=
hertzhaft
parents: 832
diff changeset
523 var $elem = data.$elem;
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
524 var settings = data.settings;
996
0b63093d598e cssPrefix works now.
robcast
parents: 991
diff changeset
525 var cssPrefix = data.settings.cssPrefix;
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
526 // regions array
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
527 data.regions = [];
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
528 // install event handlers
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
529 var $data = $(data);
920
07c989c41b4f made plugins more jquery 1.7 compliant
robcast
parents: 903
diff changeset
530 $data.on('setup', handleSetup);
07c989c41b4f made plugins more jquery 1.7 compliant
robcast
parents: 903
diff changeset
531 $data.on('update', handleUpdate);
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
532 // install buttons
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
533 if (settings.processUserRegions) {
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
534 // add "rg" to digilibParamNames
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
535 settings.digilibParamNames.push('rg');
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
536 if (digilib.plugins.buttons != null) {
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
537 installButtons(data);
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
538 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
539 }
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
540 };
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
541
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
542 // plugin object with name and install/init methods
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
543 // shared objects filled by digilib on registration
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
544 var pluginProperties = {
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
545 name : 'regions',
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
546 install : install,
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
547 init : init,
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
548 buttons : {},
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
549 actions : {},
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
550 fn : {},
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
551 plugins : {}
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
552 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
553
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
554 if ($.fn.digilib == null) {
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
555 $.error("jquery.digilib.regions must be loaded after jquery.digilib!");
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
556 } else {
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
557 $.fn.digilib('plugin', pluginProperties);
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
558 }
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
559 })(jQuery);