Mercurial > hg > digilib-old

annotate webapp/src/main/webapp/jquery/jquery.digilib.regions.js @ 1093:75a54db031dd

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move found region into view, keep zoom factor if possible
author hertzhaft
date Thu, 18 Oct 2012 18:49:05 +0200
parents 4964a1e252eb
children 8d6bc18f7145
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 According to the HTML specs, "area" and "a" elements are allowed inside of a "map".
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15 Both can have a "coords" attribute, but "area" elements can't contain child nodes.
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16 To have regions with content use "a" tags, e.g.
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17
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18 <map class="dl-keep dl-regioncontent">
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19 <a href="http://www.mpiwg-berlin.mpg.de" coords="0.4907,0.3521,0.1458,0.107">
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20 MPI fuer Wissenschaftsgeschichte
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21 </a>
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22 <a href="http://www.biblhertz.it" coords="0.3413,0.2912,0.4345,0.2945">
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23 Bibliotheca Hertziana
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24 </a>
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25 <area coords="0.3,0.5,0.15,0.1" />
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26 </map>
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27
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28 */
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29
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30 (function($) {
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31 // the digilib object
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32 var digilib = null;
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33 // the functions made available by digilib
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34 var FULL_AREA = null;
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35 var fn = {
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36 // dummy function to avoid errors, gets overwritten by buttons plugin
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37 highlightButtons : function () {
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38 console.debug('regions: dummy function - highlightButtons');
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39 }
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40 };
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41 // affine geometry plugin
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42 var geom = null;
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43
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44 var buttons = {
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45 defineregion : {
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46 onclick : "defineUserRegion",
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47 tooltip : "define a region",
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48 icon : "addregion.png"
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49 },
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50 removeregion : {
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51 onclick : "removeUserRegion",
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52 tooltip : "delete the last user defined region",
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53 icon : "delregion.png"
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54 },
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55 removeallregions : {
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56 onclick : "removeAllUserRegions",
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57 tooltip : "delete all user defined regions",
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58 icon : "delallregions.png"
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59 },
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60 regions : {
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61 onclick : "toggleRegions",
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62 tooltip : "show or hide regions",
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63 icon : "regions.png"
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64 },
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65 findcoords : {
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66 onclick : "findCoords",
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67 tooltip : "find coords and display as a new region",
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68 icon : "regions.png"
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69 },
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70 regioninfo : {
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71 onclick : "showRegionInfo",
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72 tooltip : "show information about user defined regions",
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73 icon : "regioninfo.png"
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74 }
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75 };
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76
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77 var defaults = {
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78 // are regions being edited?
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79 'editRegions' : false,
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80 // are regions shown?
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81 'isRegionVisible' : true,
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82 // are region numbers shown?
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83 'showRegionNumbers' : true,
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84 // is there region content in the page?
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85 'processHtmlRegions' : false,
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86 // region defined by users and in the URL
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87 'processUserRegions' : true,
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88 // callback for click on region
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89 'onClickRegion' : null,
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90 // callback when new user region is defined
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91 'onNewRegion' : null,
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92 // turn any region into a clickable link to its detail view (DEPRECATED)
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93 'autoZoomOnClick' : false,
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94 // css selector for area/a elements (must also be marked with class "dl-keep")
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95 'htmlRegionsSelector' : 'map.dl-regioncontent area, map.dl-regioncontent a',
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96 // buttonset of this plugin
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97 'regionSet' : ['regions', 'defineregion', 'removeregion', 'removeallregions', 'regioninfo', 'findcoords', 'lessoptions'],
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98 // url param for regions
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99 'rg' : null,
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100 // region attributes to copy from HTML
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101 'regionAttributes' : {
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102 'id' :1,
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103 'href' :1,
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104 'title' :1,
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105 'target':1,
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106 'style' :1,
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107 'class' :1
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108 }
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109 };
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110
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111 var actions = {
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112
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113 // define a region interactively with two clicked points
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114 defineUserRegion : function(data) {
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115 if (!data.settings.isRegionVisible) {
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116 alert("Please turn on regions visibility!");
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117 return;
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118 }
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119 var cssPrefix = data.settings.cssPrefix;
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120 var $elem = data.$elem;
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121 var $body = $('body');
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122 var bodyRect = geom.rectangle($body);
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123 var $scaler = data.$scaler;
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124 var scalerRect = geom.rectangle($scaler);
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125 var pt1, pt2;
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126 // overlay prevents other elements from reacting to mouse events
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127 var $overlay = $('<div class="'+cssPrefix+'overlay" style="position:absolute"/>');
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128 $body.append($overlay);
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129 bodyRect.adjustDiv($overlay);
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130 var attr = {'class' : cssPrefix+"regionURL"};
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131 var $regionDiv = addRegionDiv(data, data.userRegions, data.userRegions.length, attr);
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132
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133 // mousedown handler: start sizing
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134 var regionStart = function (evt) {
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135 pt1 = geom.position(evt);
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136 // setup and show zoom div
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137 pt1.adjustDiv($regionDiv);
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138 $regionDiv.width(0).height(0);
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139 $regionDiv.show();
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140 // register mouse events
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141 $overlay.on("mousemove.dlRegion", regionMove);
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142 $overlay.on("mouseup.dlRegion", regionEnd);
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143 return false;
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144 };
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145
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146 // mousemove handler: size region
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147 var regionMove = function (evt) {
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148 pt2 = geom.position(evt);
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149 var rect = geom.rectangle(pt1, pt2);
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150 rect.clipTo(scalerRect);
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151 // update region
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152 rect.adjustDiv($regionDiv);
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153 return false;
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154 };
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155
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156 // mouseup handler: end sizing
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157 var regionEnd = function (evt) {
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158 pt2 = geom.position(evt);
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159 // assume a click and continue if the area is too small
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160 var clickRect = geom.rectangle(pt1, pt2);
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161 if (clickRect.getArea() <= 5) return false;
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162 // unregister mouse events and get rid of overlay
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163 $overlay.off("mousemove.dlRegion", regionMove);
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164 $overlay.off("mouseup.dlRegion", regionEnd);
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165 $overlay.remove();
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166 // clip region
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167 clickRect.clipTo(scalerRect);
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168 clickRect.adjustDiv($regionDiv);
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169 var region = storeUserRegion(data, $regionDiv);
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170 // fn.redisplay(data);
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171 fn.highlightButtons(data, 'defineregion', 0);
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172 redisplay(data);
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173 $(data).trigger('newRegion', region);
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174 return false;
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175 };
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176
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177 // bind start zoom handler
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178 $overlay.one('mousedown.dlRegion', regionStart);
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179 fn.highlightButtons(data, 'defineregion', 1);
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180 },
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181
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182 // remove the last added URL region
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183 removeUserRegion : function (data) {
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184 if (!data.settings.isRegionVisible) {
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185 alert("Please turn on regions visibility!");
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186 return;
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187 }
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188 var r = data.userRegions.pop();
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189 // no more URL regions to delete
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190 if (r == null) return;
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191 var $regionDiv = r.$div;
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192 $regionDiv.remove();
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193 redisplay(data);
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194 },
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195
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196 // remove all manually added regions (defined through URL "rg" parameter)
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197 removeAllUserRegions : function (data) {
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198 if (!data.settings.isRegionVisible) {
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199 alert("Please turn on regions visibility!");
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200 return;
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201 }
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202 var cssPrefix = data.settings.cssPrefix;
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203 var $regions = data.$elem.find('div.'+cssPrefix+'regionURL');
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204 $regions.remove();
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205 data.userRegions = []; // remove only URL regions
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206 redisplay(data);
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207 },
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208
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209 // show/hide regions
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210 toggleRegions : function (data) {
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211 var show = !data.settings.isRegionVisible;
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212 data.settings.isRegionVisible = show;
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213 fn.highlightButtons(data, 'regions', show);
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47a6b93bde43 always show html-defined regions. wrong pos still not fixed
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214 renderRegions(data, 1);
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215 },
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216
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217 // show region info in a window
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218 showRegionInfo : function (data) {
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219 var $elem = data.$elem;
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220 var cssPrefix = data.settings.cssPrefix;
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221 var infoselector = '#'+cssPrefix+'regionInfo';
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222 if (fn.find(data, infoselector)) {
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223 fn.withdraw($info);
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224 return;
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225 }
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226 var html = '\
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227 <div id="'+cssPrefix+'regionInfo" class="'+cssPrefix+'keep '+cssPrefix+'regionInfo">\
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228 <table class="'+cssPrefix+'infoheader">\
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229 <tr>\
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230 <td class="'+cssPrefix+'infobutton html">HTML</td>\
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231 <td class="'+cssPrefix+'infobutton svgattr">SVG</td>\
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232 <td class="'+cssPrefix+'infobutton csv">CSV</td>\
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233 <td class="'+cssPrefix+'infobutton digilib">Digilib</td>\
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234 <td class="'+cssPrefix+'infobutton x">X</td>\
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235 </tr>\
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236 </table>\
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237 </div>';
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238 $info = $(html);
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239 $info.appendTo($elem);
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240 $info.append(regionInfoHTML(data));
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241 $info.append(regionInfoSVG(data));
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242 $info.append(regionInfoCSV(data));
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243 $info.append(regionInfoDigilib(data));
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244 var bind = function(name) {
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245 $info.find('.'+name).on('click.regioninfo', function () {
1048
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246 $info.find('div.'+cssPrefix+'info').hide();
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247 $info.find('div.'+cssPrefix+name).show();
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248 fn.centerOnScreen(data, $info);
832
e4133946a9ad display regions as HTML for use in digilib element
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249 });
1048
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250 };
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251 bind('html');
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252 bind('svgattr');
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253 bind('csv');
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254 bind('digilib');
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255 $info.find('.x').on('click.regioninfo', function () {
4aa90cccb3e4 make plugins independent from buttons plugin
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256 fn.withdraw($info);
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257 });
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258 $info.fadeIn();
1060
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259 fn.centerOnScreen(data, $info);
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260 },
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261
1091
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262 // display region coordinates in an edit line
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263 showRegionCoords : function (data, region) {
1088
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264 var $elem = data.$elem;
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265 var cssPrefix = data.settings.cssPrefix;
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266 // var infoselector = '#'+cssPrefix+'regionInfo';
897268e47ce4 some events: newRegion and regionClick
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267 // var $info = fn.find(data, infoselector);
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268 var coords = regionCoordsString(region, ',');
1088
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269 var html = '\
16215fc22fbf better separation of HTML and user defined regions
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270 <div id="'+cssPrefix+'regionInfo" class="'+cssPrefix+'keep '+cssPrefix+'regionInfo">\
1091
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271 <input name="coords" type="text" size="30" maxlength="40" value="'+coords+'"/>\
1088
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272 </div>';
1091
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273 var $info = $(html);
1088
16215fc22fbf better separation of HTML and user defined regions
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274 $info.appendTo($elem);
1091
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275 $input = $info.find('input');
897268e47ce4 some events: newRegion and regionClick
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diff changeset
276 $input.on('focus.regioninfo', function (event) {
897268e47ce4 some events: newRegion and regionClick
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diff changeset
277 this.select();
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278 });
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diff changeset
279 $input.on('blur.regioninfo', function (event) {
1088
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diff changeset
280 fn.withdraw($info);
1091
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diff changeset
281 return false;
1088
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diff changeset
282 });
1091
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diff changeset
283 $input.on('keypress.regioninfo', function (event) {
1092
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diff changeset
284 fn.withdraw($info); // OBS: "return false" disables copy!
1091
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diff changeset
285 });
897268e47ce4 some events: newRegion and regionClick
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diff changeset
286 $input.prop("readonly",true);
1088
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diff changeset
287 $info.fadeIn();
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288 fn.centerOnScreen(data, $info);
1091
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289 $input.focus();
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diff changeset
290 console.debug('showRegionCoords', coords);
1092
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diff changeset
291 },
1091
897268e47ce4 some events: newRegion and regionClick
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diff changeset
292
1092
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diff changeset
293 // find coordinates and display as new region
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diff changeset
294 findCoords : function (data) {
4964a1e252eb first step towards a find region functionality
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diff changeset
295 var $elem = data.$elem;
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diff changeset
296 var cssPrefix = data.settings.cssPrefix;
4964a1e252eb first step towards a find region functionality
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diff changeset
297 var html = '\
4964a1e252eb first step towards a find region functionality
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298 <div id="'+cssPrefix+'regionInfo" class="'+cssPrefix+'keep '+cssPrefix+'regionInfo">\
4964a1e252eb first step towards a find region functionality
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diff changeset
299 <form class="'+cssPrefix+'form">\
4964a1e252eb first step towards a find region functionality
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diff changeset
300 <div>\
4964a1e252eb first step towards a find region functionality
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diff changeset
301 <input class="'+cssPrefix+'input" name="coords" type="text" size="30" maxlength="40"/> \
4964a1e252eb first step towards a find region functionality
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diff changeset
302 </div>\
4964a1e252eb first step towards a find region functionality
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diff changeset
303 <input class="'+cssPrefix+'submit" type="submit" name="sub" value="Ok"/>\
4964a1e252eb first step towards a find region functionality
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diff changeset
304 <input class="'+cssPrefix+'cancel" type="button" value="Cancel"/>\
4964a1e252eb first step towards a find region functionality
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diff changeset
305 </form>\
4964a1e252eb first step towards a find region functionality
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diff changeset
306 </div>';
4964a1e252eb first step towards a find region functionality
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diff changeset
307 var $info = $(html);
4964a1e252eb first step towards a find region functionality
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diff changeset
308 $info.appendTo($elem);
4964a1e252eb first step towards a find region functionality
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diff changeset
309 var $form = $info.find('form');
4964a1e252eb first step towards a find region functionality
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diff changeset
310 var $input = $info.find('input.'+cssPrefix+'input');
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diff changeset
311 // handle submit
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diff changeset
312 $form.on('submit', function () {
4964a1e252eb first step towards a find region functionality
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diff changeset
313 var coords = $input.val();
4964a1e252eb first step towards a find region functionality
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diff changeset
314 var attr = { 'class' : cssPrefix+'regionURL '+cssPrefix+'findregion' };
4964a1e252eb first step towards a find region functionality
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diff changeset
315 console.debug('findCoords', coords);
1093
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316 var rect = createRegionFromCoords(data, data.userRegions, coords, attr);
75a54db031dd move found region into view, keep zoom factor if possible
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diff changeset
317 var za = data.zoomArea;
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diff changeset
318 if (!fn.isFullArea(za)) {
75a54db031dd move found region into view, keep zoom factor if possible
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diff changeset
319 za.setCenter(rect.getCenter());
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diff changeset
320 za.clipTo(FULL_AREA);
75a54db031dd move found region into view, keep zoom factor if possible
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diff changeset
321 if (!za.containsRect(rect)) {
75a54db031dd move found region into view, keep zoom factor if possible
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diff changeset
322 fn.setZoomArea(data, FULL_AREA.copy());
75a54db031dd move found region into view, keep zoom factor if possible
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diff changeset
323 } else {
75a54db031dd move found region into view, keep zoom factor if possible
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diff changeset
324 fn.setZoomArea(data, za);
75a54db031dd move found region into view, keep zoom factor if possible
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diff changeset
325 }
75a54db031dd move found region into view, keep zoom factor if possible
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diff changeset
326 }
1092
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diff changeset
327 fn.withdraw($info);
4964a1e252eb first step towards a find region functionality
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diff changeset
328 redisplay(data);
4964a1e252eb first step towards a find region functionality
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diff changeset
329 return false;
4964a1e252eb first step towards a find region functionality
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diff changeset
330 });
4964a1e252eb first step towards a find region functionality
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diff changeset
331 // handle cancel
4964a1e252eb first step towards a find region functionality
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diff changeset
332 $form.find('.'+cssPrefix+'cancel').on('click', function () {
4964a1e252eb first step towards a find region functionality
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diff changeset
333 fn.withdraw($info);
4964a1e252eb first step towards a find region functionality
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diff changeset
334 });
4964a1e252eb first step towards a find region functionality
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diff changeset
335 $info.fadeIn();
4964a1e252eb first step towards a find region functionality
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diff changeset
336 fn.centerOnScreen(data, $info);
4964a1e252eb first step towards a find region functionality
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diff changeset
337 $input.focus();
4964a1e252eb first step towards a find region functionality
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diff changeset
338 },
792
d742bd92b05a first step to a regions plugin
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parents:
diff changeset
339 };
d742bd92b05a first step to a regions plugin
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parents:
diff changeset
340
813
1a7b14deae3a regions plugin works, inclunding event handlers
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341 // store a region div
1091
897268e47ce4 some events: newRegion and regionClick
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diff changeset
342 var storeUserRegion = function (data, $regionDiv) {
897268e47ce4 some events: newRegion and regionClick
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diff changeset
343 var regions = data.userRegions;
813
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
344 var rect = geom.rectangle($regionDiv);
1088
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diff changeset
345 var rectangle = data.imgTrafo.invtransform(rect);
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diff changeset
346 rectangle.$div = $regionDiv;
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diff changeset
347 regions.push(rectangle);
1091
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diff changeset
348 console.debug("storeUserRegion", data.userRegions, "rectangle", rectangle);
897268e47ce4 some events: newRegion and regionClick
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diff changeset
349 return rectangle;
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
350 };
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
351
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
352 // open region as detail
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
353 var openDetail = function (data, region) {
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
354 digilib.actions.zoomArea(data, region);
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
355 };
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
356
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
357 // make a coords string
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
358 var regionCoordsString = function (rect, sep) {
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
359 if (sep == null) sep = ','; // comma as default separator
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
360 return [
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
361 fn.cropFloatStr(rect.x),
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
362 fn.cropFloatStr(rect.y),
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
363 fn.cropFloatStr(rect.width),
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
364 fn.cropFloatStr(rect.height)
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
365 ].join(sep);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
366 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
367
855
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
368 // html for later insertion
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
369 var regionInfoHTML = function (data) {
996
0b63093d598e cssPrefix works now.
robcast
parents: 991
diff changeset
370 var cssPrefix = data.settings.cssPrefix;
0b63093d598e cssPrefix works now.
robcast
parents: 991
diff changeset
371 var $infoDiv = $('<div class="'+cssPrefix+'info '+cssPrefix+'html"/>');
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
372 $infoDiv.append($('<div/>').text('<map class="'+cssPrefix+'keep '+cssPrefix+'regioncontent">'));
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
373 $.each(data.userRegions, function(index, r) {
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
374 var coords = regionCoordsString(r, ',');
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
375 $infoDiv.append($('<div/>').text('<area coords="' + coords + '"/>'));
855
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
376 });
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
377 $infoDiv.append($('<div/>').text('</map>'));
855
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
378 return $infoDiv;
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
379 };
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
380
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
381 // SVG-style
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
382 var regionInfoSVG = function (data) {
996
0b63093d598e cssPrefix works now.
robcast
parents: 991
diff changeset
383 var cssPrefix = data.settings.cssPrefix;
0b63093d598e cssPrefix works now.
robcast
parents: 991
diff changeset
384 var $infoDiv = $('<div class="'+cssPrefix+'info '+cssPrefix+'svgattr"/>');
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
385 $.each(data.userRegions, function(index, r) {
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
386 var coords = regionCoordsString(r, ' ');
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
387 $infoDiv.append($('<div/>').text('"' + coords + '"'));
855
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
388 });
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
389 return $infoDiv;
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
390 };
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
391
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
392 // CSV-style
1060
d9abeaa44c49 better region info
hertzhaft
parents: 1048
diff changeset
393 var regionInfoCSV = function (data) {
d9abeaa44c49 better region info
hertzhaft
parents: 1048
diff changeset
394 var cssPrefix = data.settings.cssPrefix;
d9abeaa44c49 better region info
hertzhaft
parents: 1048
diff changeset
395 var $infoDiv = $('<div class="'+cssPrefix+'info '+cssPrefix+'csv"/>');
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
396 $.each(data.userRegions, function(index, r) {
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
397 var coords = regionCoordsString(r, ',');
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
398 $infoDiv.append($('<div/>').text(index+1 + ": " + coords));
1060
d9abeaa44c49 better region info
hertzhaft
parents: 1048
diff changeset
399 });
d9abeaa44c49 better region info
hertzhaft
parents: 1048
diff changeset
400 return $infoDiv;
d9abeaa44c49 better region info
hertzhaft
parents: 1048
diff changeset
401 };
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
402
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
403 // digilib-style (h,w@x,y)
855
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
404 var regionInfoDigilib = function (data) {
996
0b63093d598e cssPrefix works now.
robcast
parents: 991
diff changeset
405 var cssPrefix = data.settings.cssPrefix;
0b63093d598e cssPrefix works now.
robcast
parents: 991
diff changeset
406 var $infoDiv = $('<div class="'+cssPrefix+'info '+cssPrefix+'digilib"/>');
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
407 $.each(data.userRegions, function(index, r) {
1067
a45894a81e40 #26: minor enhancements for the regions plugin
hertzhaft
parents: 1060
diff changeset
408 if (r.fromHtml) return;
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
409 var coords = r.toString();
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
410 $infoDiv.append($('<div/>').text(coords));
855
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
411 });
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
412 return $infoDiv;
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
413 };
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
414
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
415 // add a region to data.$elem
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
416 var addRegionDiv = function (data, regions, index, attributes) {
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
417 var settings = data.settings;
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
418 var cssPrefix = settings.cssPrefix;
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
419 // var nr = regions.length; // we count regions from 1
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
420 var cls = cssPrefix+'region '+cssPrefix+'overlay';
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
421 if (attributes && attributes['class']) {
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
422 cls = cls+' '+attributes['class'];
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
423 delete attributes['class'];
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
424 }
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
425 var $regionDiv = $('<div class="'+cls+'" style="display:none"/>');
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
426 data.$elem.append($regionDiv);
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
427 if (settings.showRegionNumbers) {
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
428 var $regionLink = $('<a class="'+cssPrefix+'regionnumber">'+index+'</a>');
920
07c989c41b4f made plugins more jquery 1.7 compliant
robcast
parents: 903
diff changeset
429 if (attributes) $regionLink.attr(attributes);
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
430 $regionDiv.append($regionLink);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
431 }
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
432 if (attributes) {
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
433 // copy attributes to div except href
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
434 if (attributes.href) {
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
435 region.href = attributes.href;
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
436 // copy attributes
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
437 var attrs = $.extend({}, attributes);
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
438 delete attrs.href;
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
439 $regionDiv.attr(attrs);
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
440 } else {
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
441 $regionDiv.attr(attributes);
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
442 }
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
443 }
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
444 // DEPRECATED
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
445 if (settings.autoZoomOnClick) {
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
446 if (settings.onClickRegion == null) settings.onClickRegion = openDetail;
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
447 }
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
448 // handle click events on div
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
449 var region = regions[index];
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
450 $regionDiv.on('click.dlRegion', function(evt) {
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
451 $(data).trigger('regionClick', region);
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
452 });
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
453 return $regionDiv;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
454 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
455
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
456 // create a region div from the data.regions array
947
5bde01bcfb16 button plugin works now.
robcast
parents: 941
diff changeset
457 var createRegionDiv = function (data, regions, index, attributes) {
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
458 var region = regions[index];
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
459 // check if div exists
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
460 if (region.$div != null) return region.$div;
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
461 // create and add div
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
462 var $regionDiv = addRegionDiv(data, regions, index, attributes);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
463 region.$div = $regionDiv;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
464 return $regionDiv;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
465 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
466
1092
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
467 // create regions from a string with coordinates
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
468 var createRegionFromCoords = function (data, regions, coords, attributes) {
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
469 var pos = coords.split(/[,\/ ]+/, 4); // TODO: check validity?
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
470 var rect = geom.rectangle(pos[0], pos[1], pos[2], pos[3]);
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
471 if (rect == null) {
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
472 console.debug('createRegionsFromCoords: bad coords:', coords);
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
473 return null;
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
474 }
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
475 var index = regions.length;
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
476 regions.push(rect);
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
477 var $regionDiv = createRegionDiv(data, regions, index, attributes);
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
478 return rect;
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
479 };
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
480
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
481 // create regions from URL parameters
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
482 var createRegionsFromURL = function (data) {
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
483 var cssPrefix = data.settings.cssPrefix;
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
484 var attr = {'class' : cssPrefix+"regionURL"};
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
485 unpackRegions(data);
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
486 var regions = data.userRegions;
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
487 $.each(regions, function(index, region) {
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
488 createRegionDiv(data, regions, index, attr);
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
489 });
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
490 };
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
491
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
492 // create regions from HTML
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
493 var createRegionsFromHTML = function (data) {
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
494 var cssPrefix = data.settings.cssPrefix;
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
495 var regions = data.htmlRegions;
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
496 // regions are defined in "area" tags
1067
a45894a81e40 #26: minor enhancements for the regions plugin
hertzhaft
parents: 1060
diff changeset
497 var $content = data.$elem.find(data.settings.htmlRegionsSelector);
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
498 console.debug("createRegionsFromHTML. Number of elems: ", $content.length);
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
499 $content.each(function(index, area) {
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
500 var $area = $(area);
852
4658ec2f9565 why not use coords attribute for coords?
hertzhaft
parents: 851
diff changeset
501 // the "coords" attribute contains the region coords (0..1)
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
502 var coords = $area.attr('coords');
1024
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
503 // copy some attributes
873
29f214f59654 copy more region attributes
hertzhaft
parents: 872
diff changeset
504 var attributes = {};
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
505 for (var n in data.settings.regionAttributes) {
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
506 attributes[n] = $area.attr(n);
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
507 }
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
508 // mark div as regionHTML
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
509 regionClass = cssPrefix+'regionHTML';
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
510 if (attributes['class']) {
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
511 attributes['class'] += ' ' + regionClass
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
512 } else {
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
513 attributes['class'] = regionClass
1024
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
514 }
1092
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
515 // create the region
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
516 var rect = createRegionFromCoords(data, regions, coords, attributes);
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
517 if (rect == null) return;
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
518 rect.fromHtml = true;
4964a1e252eb first step towards a find region functionality
hertzhaft
parents: 1091
diff changeset
519 var $regionDiv = rect.$div;
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
520 var $contents = $area.contents().clone();
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
521 if (attributes.href != null) {
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
522 // wrap contents in a-tag
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
523 var $ca = $('<a href="'+attributes.href+'"/>');
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
524 $ca.append($contents);
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
525 // alt attribute is also content (BTW: area-tag has no content())
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
526 $ca.append($area.attr('alt'));
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
527 $regionDiv.append($ca);
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
528 } else {
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
529 $regionDiv.append($contents);
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
530 // alt attribute is also content (BTW: area-tag has no content())
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
531 $regionDiv.append($area.attr('alt'));
1025
c75858ee4452 more fiddling with regions.
robcast
parents: 1024
diff changeset
532 }
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
533 });
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
534 };
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
535
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
536 // show a region on top of the scaler image
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
537 var renderRegion = function (data, region, anim) {
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
538 if (!data.imgTrafo) return;
950
164d69e2c481 much nicer implementation of preview for scrolling and zooming.
robcast
parents: 947
diff changeset
539 var zoomArea = data.zoomArea;
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
540 var $regionDiv = region.$div;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
541 if (!$regionDiv) {
950
164d69e2c481 much nicer implementation of preview for scrolling and zooming.
robcast
parents: 947
diff changeset
542 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
543 // alert("renderRegion: region has no $div to show");
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
544 return;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
545 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
546 var regionRect = region.copy();
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
547 var show = data.settings.isRegionVisible;
1067
a45894a81e40 #26: minor enhancements for the regions plugin
hertzhaft
parents: 1060
diff changeset
548 if (show && zoomArea.overlapsRect(regionRect) && !regionRect.containsRect(zoomArea)) {
950
164d69e2c481 much nicer implementation of preview for scrolling and zooming.
robcast
parents: 947
diff changeset
549 regionRect.clipTo(zoomArea);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
550 var screenRect = data.imgTrafo.transform(regionRect);
1067
a45894a81e40 #26: minor enhancements for the regions plugin
hertzhaft
parents: 1060
diff changeset
551 // console.debug("renderRegion: pos=",geom.position(screenRect));
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
552 if (anim) {
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
553 $regionDiv.fadeIn();
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
554 } else{
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
555 $regionDiv.show();
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
556 }
1024
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
557 // adjustDiv sets wrong coords when called BEFORE show()
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
558 screenRect.adjustDiv($regionDiv);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
559 } else {
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
560 if (anim) {
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
561 $regionDiv.fadeOut();
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
562 } else{
824
f0a5e4d2cba7 hide region when outside of zoomArea, not show
hertzhaft
parents: 823
diff changeset
563 $regionDiv.hide();
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
564 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
565 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
566 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
567
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
568 // show regions
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
569 var renderRegions = function (data, anim) {
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
570 $.each(data.htmlRegions, function(index, region) {
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
571 renderRegion(data, region, anim);
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
572 });
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
573 $.each(data.userRegions, function(index, region) {
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
574 renderRegion(data, region, anim);
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
575 });
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
576 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
577
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
578 // read region data from URL parameters
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
579 var unpackRegions = function (data) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
580 var rg = data.settings.rg;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
581 if (rg == null) return;
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
582 var regions = data.userRegions;
958
2a2e8c039c29 changed regions parameter separator to the same as for marks
hertzhaft
parents: 950
diff changeset
583 var rs = rg.split(",");
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
584 for (var i = 0; i < rs.length; i++) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
585 var r = rs[i];
958
2a2e8c039c29 changed regions parameter separator to the same as for marks
hertzhaft
parents: 950
diff changeset
586 var pos = r.split("/", 4);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
587 var rect = geom.rectangle(pos[0], pos[1], pos[2], pos[3]);
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
588 regions.push(rect);
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
589 }
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
590 };
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
591
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
592 // pack user regions array into a URL parameter string
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
593 var packRegions = function (data) {
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
594 var regions = data.userRegions;
815
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
595 if (!regions.length) {
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
596 data.settings.rg = null;
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
597 return;
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
598 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
599 var rg = '';
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
600 for (var i = 0; i < regions.length; i++) {
1024
4ee43243a6a0 more clean up.
robcast
parents: 1023
diff changeset
601 var region = regions[i];
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
602 if (rg) {
958
2a2e8c039c29 changed regions parameter separator to the same as for marks
hertzhaft
parents: 950
diff changeset
603 rg += ',';
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
604 }
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
605 rg += regionCoordsString(region, '/');
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
606 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
607 data.settings.rg = rg;
1088
16215fc22fbf better separation of HTML and user defined regions
hertzhaft
parents: 1067
diff changeset
608 console.debug('pack regions:', rg);
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
609 };
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
610
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
611 // reload display after a region has been added or removed
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
612 var redisplay = function (data) {
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
613 if (data.settings.processUserRegions) {
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
614 packRegions(data);
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
615 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
616 fn.redisplay(data);
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
617 };
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
618
1091
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
619 // event handler, gets called when a newRegion event is triggered
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
620 var handleNewRegion = function (evt, region) {
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
621 var data = this;
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
622 var settings = data.settings;
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
623 console.debug("regions: handleNewRegion", region);
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
624 if (typeof settings.onNewRegion === 'function') {
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
625 // execute callback
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
626 return settings.onNewRegion(data, region);
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
627 }
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
628 if (typeof settings.onNewRegion === 'string') {
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
629 // execute action
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
630 return actions[settings.onNewRegion](data, region);
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
631 }
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
632 };
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
633
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
634 // event handler, gets called when a regionClick event is triggered
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
635 var handleRegionClick = function (evt, region) {
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
636 var data = this;
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
637 var settings = data.settings;
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
638 console.debug("regions: handleRegionClick", region);
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
639 if (region.href) {
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
640 // follow the href attribute of the region area
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
641 window.location = region.href; //TODO: how about target?
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
642 }
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
643 if (typeof settings.onClickRegion === 'function') {
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
644 // execute callback
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
645 return settings.onClickRegion(data, region);
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
646 }
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
647 if (typeof settings.onClickRegion === 'string') {
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
648 // execute action
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
649 return actions[settings.onClickRegion](data, region);
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
650 }
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
651 };
897268e47ce4 some events: newRegion and regionClick
hertzhaft
parents: 1088
diff changeset
652
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
653 // 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
654 var handleSetup = function (evt) {
941
565789329189 fix non-local variable use.
robcast
parents: 920
diff changeset
655 var data = this;
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
656 var settings = data.settings;
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
657 console.debug("regions: handleSetup", settings.rg);
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
658 // regions with content are given in HTML divs
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
659 if (settings.processHtmlRegions) {
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
660 createRegionsFromHTML(data);
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
661 }
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
662 // regions are defined in the URL
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
663 if (settings.processUserRegions) {
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
664 createRegionsFromURL(data);
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
665 }
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
666 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
667
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
668 // 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
669 var handleUpdate = function (evt) {
941
565789329189 fix non-local variable use.
robcast
parents: 920
diff changeset
670 var data = this;
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
671 console.debug("regions: handleUpdate");
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
672 var settings = data.settings;
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
673 fn.highlightButtons(data, 'regions' , settings.isRegionVisible);
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
674 renderRegions(data);
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
675 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
676
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
677 // additional buttons
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
678 var installButtons = function (data) {
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
679 var settings = data.settings;
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
680 var mode = settings.interactionMode;
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
681 var buttonSettings = settings.buttonSettings[mode];
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
682 // configure buttons through digilib "regionSet" option
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
683 var buttonSet = settings.regionSet || regionSet;
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
684 // set regionSet to [] or '' for no buttons (when showing regions only)
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
685 if (buttonSet.length && buttonSet.length > 0) {
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
686 buttonSettings.regionSet = buttonSet;
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
687 buttonSettings.buttonSets.push('regionSet');
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
688 }
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
689 };
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
690
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
691 // plugin installation called by digilib on plugin object.
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
692 var install = function(plugin) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
693 digilib = plugin;
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
694 console.debug('installing regions plugin. digilib:', digilib);
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
695 // import digilib functions
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
parents: 1027
diff changeset
696 $.extend(fn, digilib.fn);
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
697 // import geometry classes
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
698 geom = fn.geometry;
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
699 // add defaults, actions, buttons
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
700 $.extend(digilib.defaults, defaults);
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
701 $.extend(digilib.actions, actions);
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
702 $.extend(digilib.buttons, buttons);
12f790cb30de started to adapt regions plugin to new plugin mechanism
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parents: 792
diff changeset
703 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
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parents: 792
diff changeset
704
12f790cb30de started to adapt regions plugin to new plugin mechanism
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parents: 792
diff changeset
705 // plugin initialization
12f790cb30de started to adapt regions plugin to new plugin mechanism
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parents: 792
diff changeset
706 var init = function (data) {
12f790cb30de started to adapt regions plugin to new plugin mechanism
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diff changeset
707 console.debug('initialising regions plugin. data:', data);
835
9fa078dcb493 predefine region content with a rel=
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parents: 832
diff changeset
708 var $elem = data.$elem;
1027
ff19b9e936d3 allow predefined and user regions at the same time.
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parents: 1025
diff changeset
709 var settings = data.settings;
996
0b63093d598e cssPrefix works now.
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diff changeset
710 var cssPrefix = data.settings.cssPrefix;
1093
75a54db031dd move found region into view, keep zoom factor if possible
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parents: 1092
diff changeset
711 FULL_AREA = geom.rectangle(0, 0, 1, 1);
1088
16215fc22fbf better separation of HTML and user defined regions
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diff changeset
712 // region arrays
1091
897268e47ce4 some events: newRegion and regionClick
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diff changeset
713 data.userRegions = [];
897268e47ce4 some events: newRegion and regionClick
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diff changeset
714 data.htmlRegions = [];
1048
4aa90cccb3e4 make plugins independent from buttons plugin
hertzhaft
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diff changeset
715 // install event handlers
848
77248c6d2a5f fix missing buttons
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parents: 835
diff changeset
716 var $data = $(data);
920
07c989c41b4f made plugins more jquery 1.7 compliant
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diff changeset
717 $data.on('setup', handleSetup);
07c989c41b4f made plugins more jquery 1.7 compliant
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diff changeset
718 $data.on('update', handleUpdate);
1091
897268e47ce4 some events: newRegion and regionClick
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diff changeset
719 $data.on('newRegion', handleNewRegion);
897268e47ce4 some events: newRegion and regionClick
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diff changeset
720 $data.on('regionClick', handleRegionClick);
1048
4aa90cccb3e4 make plugins independent from buttons plugin
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parents: 1027
diff changeset
721 // install buttons
1027
ff19b9e936d3 allow predefined and user regions at the same time.
robcast
parents: 1025
diff changeset
722 if (settings.processUserRegions) {
1091
897268e47ce4 some events: newRegion and regionClick
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parents: 1088
diff changeset
723 // add "rg" to digilibParamNames
1088
16215fc22fbf better separation of HTML and user defined regions
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parents: 1067
diff changeset
724 // settings.digilibParamNames.push('rg');
1091
897268e47ce4 some events: newRegion and regionClick
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diff changeset
725 // TODO: this leads double params, because
897268e47ce4 some events: newRegion and regionClick
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parents: 1088
diff changeset
726 // settings.additionalParamNames is created earlier than this plugin's init() action
1048
4aa90cccb3e4 make plugins independent from buttons plugin
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parents: 1027
diff changeset
727 if (digilib.plugins.buttons != null) {
4aa90cccb3e4 make plugins independent from buttons plugin
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parents: 1027
diff changeset
728 installButtons(data);
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
729 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
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parents: 808
diff changeset
730 }
792
d742bd92b05a first step to a regions plugin
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parents:
diff changeset
731 };
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
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diff changeset
732
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
733 // plugin object with name and install/init methods
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
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diff changeset
734 // shared objects filled by digilib on registration
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
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diff changeset
735 var pluginProperties = {
1048
4aa90cccb3e4 make plugins independent from buttons plugin
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parents: 1027
diff changeset
736 name : 'regions',
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
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diff changeset
737 install : install,
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
738 init : init,
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
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diff changeset
739 buttons : {},
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
740 actions : {},
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
741 fn : {},
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
742 plugins : {}
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
743 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
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parents: 792
diff changeset
744
792
d742bd92b05a first step to a regions plugin
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parents:
diff changeset
745 if ($.fn.digilib == null) {
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
746 $.error("jquery.digilib.regions must be loaded after jquery.digilib!");
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
747 } else {
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
748 $.fn.digilib('plugin', pluginProperties);
792
d742bd92b05a first step to a regions plugin
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parents:
diff changeset
749 }
d742bd92b05a first step to a regions plugin
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parents:
diff changeset
750 })(jQuery);