Mercurial > hg > digilib-old

annotate webapp/src/main/webapp/jquery/jquery.digilib.regions.js @ 947:5bde01bcfb16

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button plugin works now.
author robcast
date Mon, 02 Jan 2012 21:10:14 +0100
parents 565789329189
children 164d69e2c481
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /** optional digilib regions plugin
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2
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3 markup a digilib image with rectangular regions
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4
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5 TODO:
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6 how to display regions correctly in embedded mode?
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7 */
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8
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9 (function($) {
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10 // the digilib object
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11 var digilib;
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12 // the functions made available by digilib
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13 var fn;
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14 // affine geometry plugin
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15 var geom;
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16
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17 var FULL_AREA;
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18
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19 var ID_PREFIX = "digilib-region-";
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20
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21 var buttons = {
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22 addregion : {
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23 onclick : "defineRegion",
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24 tooltip : "define a region",
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25 icon : "addregion.png"
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26 },
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27 delregion : {
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28 onclick : "removeRegion",
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29 tooltip : "delete the last region",
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30 icon : "delregion.png"
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31 },
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32 regions : {
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33 onclick : "toggleRegions",
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34 tooltip : "show or hide regions",
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35 icon : "regions.png"
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36 },
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37 regionhtml : {
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38 onclick : "showRegionInfo",
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39 tooltip : "show information about regions",
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40 icon : "regioninfo.png"
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41 }
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42 };
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43
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44 var defaults = {
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45 // are regions shown?
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46 'isRegionVisible' : true,
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47 // are region numbers shown?
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48 'showRegionNumbers' : false,
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49 // is window with region HTML shown?
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50 'showRegionInfo' : false,
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51 // is there region content in the page?
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52 'hasRegionContent' : false,
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53 // turn any region into a clickable link to its detail view
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54 'autoRegionLinks' : false,
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55 // class name for content divs (must additionally be marked with class "keep")
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56 'regionContentSelector' : 'div.regioncontent',
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57 // buttonset of this plugin
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58 'regionSet' : ['regions', 'addregion', 'delregion', 'regionhtml', 'lessoptions'],
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59 // url param for regions
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60 'rg' : null
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61 };
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62
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63 var actions = {
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64
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65 // define a region interactively with two clicked points
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66 "defineRegion" : function(data) {
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67 if (!data.settings.isRegionVisible) {
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68 alert("Please turn on regions visibility!");
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69 return;
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70 }
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71 var $elem = data.$elem;
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72 var $body = $('body');
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73 var bodyRect = geom.rectangle($body);
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74 var $scaler = data.$scaler;
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75 var scalerRect = geom.rectangle($scaler);
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76 var pt1, pt2;
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77 // overlay prevents other elements from reacting to mouse events
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78 var $overlay = $('<div class="digilib-overlay"/>');
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79 $body.append($overlay);
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80 bodyRect.adjustDiv($overlay);
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81 var $regionDiv = addRegionDiv(data, data.regions.length);
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82
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83 // mousedown handler: start sizing
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84 var regionStart = function (evt) {
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85 pt1 = geom.position(evt);
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86 // setup and show zoom div
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87 pt1.adjustDiv($regionDiv);
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88 $regionDiv.width(0).height(0);
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89 $regionDiv.show();
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90 // register mouse events
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91 $overlay.on("mousemove.dlRegion", regionMove);
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92 $overlay.on("mouseup.dlRegion", regionEnd);
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93 return false;
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94 };
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95
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96 // mousemove handler: size region
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97 var regionMove = function (evt) {
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98 pt2 = geom.position(evt);
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99 var rect = geom.rectangle(pt1, pt2);
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100 rect.clipTo(scalerRect);
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101 // update region
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102 rect.adjustDiv($regionDiv);
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103 return false;
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104 };
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105
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106 // mouseup handler: end sizing
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107 var regionEnd = function (evt) {
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108 pt2 = geom.position(evt);
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109 // assume a click and continue if the area is too small
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110 var clickRect = geom.rectangle(pt1, pt2);
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111 if (clickRect.getArea() <= 5) return false;
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112 // unregister mouse events and get rid of overlay
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113 $overlay.off("mousemove.dlRegion", regionMove);
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114 $overlay.off("mouseup.dlRegion", regionEnd);
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115 $overlay.remove();
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116 // clip region
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117 clickRect.clipTo(scalerRect);
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118 clickRect.adjustDiv($regionDiv);
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119 storeRegion(data, $regionDiv);
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120 // fn.redisplay(data);
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121 fn.highlightButtons(data, 'addregion', 0);
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122 redisplay(data);
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123 return false;
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124 };
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125
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126 // bind start zoom handler
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127 $overlay.one('mousedown.dlRegion', regionStart);
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128 fn.highlightButtons(data, 'addregion', 1);
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129 },
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130
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131 // remove the last added region
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132 "removeRegion" : function (data) {
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133 if (!data.settings.isRegionVisible) {
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134 alert("Please turn on regions visibility!");
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135 return;
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136 }
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137 var region = data.regions.pop();
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138 if (region == null) return;
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139 var $regionDiv = region.$div;
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140 $regionDiv.remove();
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141 redisplay(data);
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142 },
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143
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144 // show/hide regions
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145 "toggleRegions" : function (data) {
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146 var show = !data.settings.isRegionVisible;
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147 data.settings.isRegionVisible = show;
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148 fn.highlightButtons(data, 'regions', show);
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149 renderRegions(data, 1);
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150 },
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151
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152 // show/hide region HTML code
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153 "showRegionInfo" : function (data) {
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154 var show = !data.settings.showRegionInfo;
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155 data.settings.showRegionInfo = show;
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156 fn.highlightButtons(data, 'regionhtml', show);
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157 var $html = data.$htmlDiv;
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158 if (!show) {
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159 // empty the div
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160 $html.fadeOut(function () {
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161 $html.contents().remove();
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162 });
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163 return;
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164 }
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165 regionInfo(data);
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166 },
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167
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168 "redraw" : function (data) {
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169 renderRegions(data);
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170 }
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171 };
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172
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173 // store a region div
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174 var storeRegion = function (data, $regionDiv) {
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175 var regions = data.regions;
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176 var rect = geom.rectangle($regionDiv);
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177 var regionRect = data.imgTrafo.invtransform(rect);
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178 regionRect.$div = $regionDiv;
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179 regions.push(regionRect);
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180 console.debug("regions", data.regions, "regionRect", regionRect);
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181 };
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182
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183 // clickable header
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184 var regionInfoHeader = function (data) {
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185 var $infoDiv = $('<div class="infoheader"/>');
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186 var $h01 = $('<div class="infobutton">HTML</div>');
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187 var $h02 = $('<div class="infobutton">SVG</div>');
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188 var $h03 = $('<div class="infobutton">Digilib</div>');
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189 var $h04 = $('<div class="infobutton">X</div>');
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190 var bind = function($div, name) {
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191 $div.on('click.regioninfo', function () {
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192 var $top = $(this).parent().parent();
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193 $top.find('.info').hide();
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194 $top.find('.' + name).show();
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195 });
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196 };
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197 bind($h01, 'html');
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198 bind($h02, 'svgattr');
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199 bind($h03, 'digilib');
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200 var $html = data.$htmlDiv;
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201 $h04.on('click.regioninfo', function () {
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202 data.settings.showRegionInfo = false;
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203 fn.highlightButtons(data, 'regionhtml', false);
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204 $html.fadeOut(function () {
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205 $html.contents().remove();
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206 });
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207 });
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208 $infoDiv.append($h01, $h02, $h03, $h04);
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209 return $infoDiv;
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210 };
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211
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212 // html for later insertion
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213 var regionInfoHTML = function (data) {
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214 var $infoDiv = $('<div class="info html"/>');
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215 $infoDiv.append($('<div/>').text('<div class="keep regioncontent">'));
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216 $.each(data.regions, function(index, r) {
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217 var area = [
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218 fn.cropFloatStr(r.x),
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219 fn.cropFloatStr(r.y),
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220 fn.cropFloatStr(r.width),
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221 fn.cropFloatStr(r.height)].join(',');
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222 $infoDiv.append($('<div/>').text('<a coords="' + area + '" >'));
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223 });
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224 $infoDiv.append($('<div/>').text('</div>'));
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225 return $infoDiv;
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226 };
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227
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228 // SVG-style
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229 var regionInfoSVG = function (data) {
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230 var $infoDiv = $('<div class="info svgattr"/>');
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231 $.each(data.regions, function(index, r) {
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232 var area = [
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233 fn.cropFloatStr(r.x),
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234 fn.cropFloatStr(r.y),
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235 fn.cropFloatStr(r.width),
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236 fn.cropFloatStr(r.height)].join(' ');
855
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237 $infoDiv.append($('<div/>').text('"' + area + '"'));
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238 });
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239 return $infoDiv;
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240 };
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241
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242 // digilib-style
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243 var regionInfoDigilib = function (data) {
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244 var $infoDiv = $('<div class="info digilib"/>');
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245 $.each(data.regions, function(index, r) {
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7ebdc106a61a second step towards zoom arrows
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246 var area = r.toString();
855
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247 $infoDiv.append($('<div/>').text(area));
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248 });
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249 return $infoDiv;
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250 };
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251
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252 // show region info in a window
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253 var regionInfo = function (data) {
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254 var $html = data.$htmlDiv;
874
46444fe43b15 oops, should have tested first
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255 $html.append(regionInfoHeader(data));
855
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diff changeset
256 $html.append(regionInfoHTML(data));
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diff changeset
257 $html.append(regionInfoSVG(data));
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diff changeset
258 $html.append(regionInfoDigilib(data));
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diff changeset
259 $html.fadeIn();
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260 };
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261
813
1a7b14deae3a regions plugin works, inclunding event handlers
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262 // add a region to data.$elem
873
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263 var addRegionDiv = function (data, index, attributes) {
823
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264 var nr = index + 1; // we count regions from 1
8af71d9d830b fixed automatic region links and region content
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diff changeset
265 // create a digilib URL for this detail
874
46444fe43b15 oops, should have tested first
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266 var url = attributes ? attributes.href : getRegionUrl(data, index);
813
1a7b14deae3a regions plugin works, inclunding event handlers
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267 var $regionDiv = $('<div class="region overlay" style="display:none"/>');
1a7b14deae3a regions plugin works, inclunding event handlers
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268 $regionDiv.attr("id", ID_PREFIX + nr);
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
269 data.$elem.append($regionDiv);
1a7b14deae3a regions plugin works, inclunding event handlers
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270 if (data.settings.showRegionNumbers) {
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271 var $regionLink = $('<a class="regionnumber"/>');
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272 if (attributes) $regionLink.attr(attributes);
823
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273 $regionLink.text(nr);
851
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274 $regionDiv.append($regionLink);
813
1a7b14deae3a regions plugin works, inclunding event handlers
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275 }
823
8af71d9d830b fixed automatic region links and region content
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diff changeset
276 if (data.settings.autoRegionLinks) {
875
8ddc379e83af can't delete from undefined
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diff changeset
277 if (attributes) {
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diff changeset
278 delete attributes.href;
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279 $regionDiv.attr(attributes);
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280 };
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281 $regionDiv.on('click.dlRegion', function() {
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diff changeset
282 window.location = url;
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diff changeset
283 });
823
8af71d9d830b fixed automatic region links and region content
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284 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
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285 return $regionDiv;
1a7b14deae3a regions plugin works, inclunding event handlers
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286 };
1a7b14deae3a regions plugin works, inclunding event handlers
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287
851
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288 // create a region div from the data.regions array
947
5bde01bcfb16 button plugin works now.
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289 var createRegionDiv = function (data, regions, index, attributes) {
873
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290 var $regionDiv = addRegionDiv(data, index, attributes);
813
1a7b14deae3a regions plugin works, inclunding event handlers
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291 var region = regions[index];
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
292 region.$div = $regionDiv;
1a7b14deae3a regions plugin works, inclunding event handlers
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293 return $regionDiv;
1a7b14deae3a regions plugin works, inclunding event handlers
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294 };
1a7b14deae3a regions plugin works, inclunding event handlers
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295
851
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296 // create regions from URL parameters
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297 var createRegionsFromURL = function (data) {
5922c444cd11 fixed region position bug in embedded mode, sigh
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298 unpackRegions(data);
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299 var regions = data.regions;
832
e4133946a9ad display regions as HTML for use in digilib element
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parents: 824
diff changeset
300 $.each(regions, function(i) {
947
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301 createRegionDiv(data, regions, i);
832
e4133946a9ad display regions as HTML for use in digilib element
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diff changeset
302 });
792
d742bd92b05a first step to a regions plugin
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diff changeset
303 };
d742bd92b05a first step to a regions plugin
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parents:
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304
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305 // create regions from HTML
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306 var createRegionsFromHTML = function (data) {
823
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307 var regions = data.regions;
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diff changeset
308 var selector = data.settings.regionContentSelector;
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
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309 // regions are defined in "a" tags
835
9fa078dcb493 predefine region content with a rel=
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310 var $content = data.$elem.contents(selector).contents('a');
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311 console.debug("createRegionsFromHTML. elems: ", $content);
835
9fa078dcb493 predefine region content with a rel=
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diff changeset
312 $content.each(function(index, a) {
9fa078dcb493 predefine region content with a rel=
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diff changeset
313 var $a = $(a);
852
4658ec2f9565 why not use coords attribute for coords?
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314 // the "coords" attribute contains the region coords (0..1)
4658ec2f9565 why not use coords attribute for coords?
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diff changeset
315 var coords = $a.attr('coords');
4658ec2f9565 why not use coords attribute for coords?
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316 var pos = coords.split(",", 4);
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317 var rect = geom.rectangle(pos[0], pos[1], pos[2], pos[3]);
eff74cfaaf97 read regions from HTML (not working yet), show info
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318 regions.push(rect);
873
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319 // save the attributes
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diff changeset
320 var attributes = {};
874
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diff changeset
321 if ($a.attr('id')) { attributes.id = $a.attr('id'); }
46444fe43b15 oops, should have tested first
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diff changeset
322 if ($a.attr('href')) { attributes.href = $a.attr('href'); }
46444fe43b15 oops, should have tested first
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323 if ($a.attr('title')) { attributes.title = $a.attr('title'); }
851
5922c444cd11 fixed region position bug in embedded mode, sigh
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324 // create the div
947
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325 var $regionDiv = createRegionDiv(data, regions, index, attributes);
851
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326 var $contents = $a.contents().clone();
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327 $regionDiv.append($contents);
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328 });
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329 };
eff74cfaaf97 read regions from HTML (not working yet), show info
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diff changeset
330
813
1a7b14deae3a regions plugin works, inclunding event handlers
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331 // show a region on top of the scaler image
850
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diff changeset
332 var renderRegion = function (data, index, anim) {
813
1a7b14deae3a regions plugin works, inclunding event handlers
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333 if (!data.imgTrafo) return;
1a7b14deae3a regions plugin works, inclunding event handlers
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334 var $elem = data.$elem;
792
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335 var regions = data.regions;
813
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336 if (index > regions.length) return;
851
5922c444cd11 fixed region position bug in embedded mode, sigh
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diff changeset
337 var region = regions[index];
813
1a7b14deae3a regions plugin works, inclunding event handlers
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338 var $regionDiv = region.$div;
1a7b14deae3a regions plugin works, inclunding event handlers
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339 if (!$regionDiv) {
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
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diff changeset
340 console.debug("renderRegion: region has no $div", region);
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
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341 // alert("renderRegion: region has no $div to show");
813
1a7b14deae3a regions plugin works, inclunding event handlers
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342 return;
1a7b14deae3a regions plugin works, inclunding event handlers
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343 }
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
344 var regionRect = region.copy();
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
345 var show = data.settings.isRegionVisible;
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
346 if (show && data.zoomArea.overlapsRect(regionRect)) {
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
347 regionRect.clipTo(data.zoomArea);
1a7b14deae3a regions plugin works, inclunding event handlers
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diff changeset
348 var screenRect = data.imgTrafo.transform(regionRect);
851
5922c444cd11 fixed region position bug in embedded mode, sigh
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diff changeset
349 console.debug("renderRegion: pos=",geom.position(screenRect));
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350 if (anim) {
eff74cfaaf97 read regions from HTML (not working yet), show info
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diff changeset
351 $regionDiv.fadeIn();
eff74cfaaf97 read regions from HTML (not working yet), show info
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352 } else{
eff74cfaaf97 read regions from HTML (not working yet), show info
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353 $regionDiv.show();
eff74cfaaf97 read regions from HTML (not working yet), show info
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354 }
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
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355 // for some reason adjustDiv sets wrong coords when called BEFORE show()?
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
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diff changeset
356 screenRect.adjustDiv($regionDiv);
813
1a7b14deae3a regions plugin works, inclunding event handlers
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357 } else {
818
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parents: 815
diff changeset
358 if (anim) {
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
359 $regionDiv.fadeOut();
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
360 } else{
824
f0a5e4d2cba7 hide region when outside of zoomArea, not show
hertzhaft
parents: 823
diff changeset
361 $regionDiv.hide();
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
362 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
363 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
364 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
365
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
366 // show regions
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
367 var renderRegions = function (data, anim) {
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
368 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
369 renderRegion(data, i, anim);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
370 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
371 };
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
372
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
373 var unpackRegions = function (data) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
374 // create regions from parameters
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
375 var rg = data.settings.rg;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
376 if (rg == null) return;
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
377 var regions = data.regions;
852
4658ec2f9565 why not use coords attribute for coords?
hertzhaft
parents: 851
diff changeset
378 var rs = rg.split(";");
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
379 for (var i = 0; i < rs.length; i++) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
380 var r = rs[i];
852
4658ec2f9565 why not use coords attribute for coords?
hertzhaft
parents: 851
diff changeset
381 var pos = r.split(",", 4);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
382 var rect = geom.rectangle(pos[0], pos[1], pos[2], pos[3]);
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
383 regions.push(rect);
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
384 }
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
385 };
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
386
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
387 // pack regions array into a parameter string
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
388 var packRegions = function (data) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
389 var regions = data.regions;
815
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
390 if (!regions.length) {
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
391 data.settings.rg = null;
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
392 return;
60e8cca7ac81 could not remove last region
hertzhaft
parents: 813
diff changeset
393 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
394 var rg = '';
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
395 for (var i = 0; i < regions.length; i++) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
396 region = regions[i];
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
397 if (i) {
852
4658ec2f9565 why not use coords attribute for coords?
hertzhaft
parents: 851
diff changeset
398 rg += ';';
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
399 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
400 rg += [
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
401 fn.cropFloatStr(region.x),
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
402 fn.cropFloatStr(region.y),
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
403 fn.cropFloatStr(region.width),
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
404 fn.cropFloatStr(region.height)
852
4658ec2f9565 why not use coords attribute for coords?
hertzhaft
parents: 851
diff changeset
405 ].join(',');
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
406 }
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
407 data.settings.rg = rg;
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
408 };
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
409
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
410 // reload display after a region has been added or removed
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
411 var redisplay = function (data) {
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
412 if (!data.settings.hasRegionContent) {
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
413 packRegions(data);
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
414 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
415 fn.redisplay(data);
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
416 };
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
417
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
418 // for turning region numbers/region divs into links to zoomed details
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
419 var getRegionUrl = function (data, index) {
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
420 var region = data.regions[index];
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
421 var settings = data.settings;
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
422 var params = {
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
423 "fn" : settings.fn,
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
424 "pn" : settings.pn
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
425 };
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
426 fn.packArea(params, region);
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
427 fn.packMarks(params, data.marks);
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
428 fn.packScalerFlags(params, data.scalerFlags);
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
429 var paramNames = digilib.defaults.digilibParamNames;
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
430 // build our own digilib URL without storing anything
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
431 var queryString = fn.getParamString(params, paramNames, digilib.defaults);
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
432 return settings.digilibBaseUrl + '?' + queryString;
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
433 };
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
434
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
435 // 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
436 var handleSetup = function (evt) {
941
565789329189 fix non-local variable use.
robcast
parents: 920
diff changeset
437 var data = this;
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
438 console.debug("regions: handleSetup", data.settings.rg);
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
439 // regions with content are given in HTML divs
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
440 if (data.settings.hasRegionContent) {
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
441 createRegionsFromHTML(data);
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
442 // regions are defined in the URL
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
443 } else {
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
444 createRegionsFromURL(data);
855
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
445 fn.highlightButtons(data, 'regionhtml', data.settings.showRegionInfo);
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
446 }
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
447 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
448
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
449 // 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
450 var handleUpdate = function (evt) {
941
565789329189 fix non-local variable use.
robcast
parents: 920
diff changeset
451 var data = this;
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
452 console.debug("regions: handleUpdate");
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
453 var settings = data.settings;
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
454 fn.highlightButtons(data, 'regions' , settings.isRegionVisible);
855
2c401f68d577 better region info
hertzhaft
parents: 852
diff changeset
455 fn.highlightButtons(data, 'regionhtml' , settings.showRegionInfo);
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
456 renderRegions(data);
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
457 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
458
818
eff74cfaaf97 read regions from HTML (not working yet), show info
hertzhaft
parents: 815
diff changeset
459 // event handler, redisplays regions (e.g. in a new position)
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
460 var handleRedisplay = function (evt) {
941
565789329189 fix non-local variable use.
robcast
parents: 920
diff changeset
461 var data = this;
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
462 console.debug("regions: handleRedisplay");
947
5bde01bcfb16 button plugin works now.
robcast
parents: 941
diff changeset
463 //renderRegions(data);
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
464 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
465
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
466 // plugin installation called by digilib on plugin object.
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
467 var install = function(plugin) {
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
468 digilib = plugin;
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
469 console.debug('installing regions plugin. digilib:', digilib);
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
470 fn = digilib.fn;
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
471 // import geometry classes
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
472 geom = fn.geometry;
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
473 FULL_AREA = geom.rectangle(0,0,1,1);
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
474 // add defaults, actions, buttons
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
475 $.extend(digilib.defaults, defaults);
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
476 $.extend(digilib.actions, actions);
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
477 $.extend(digilib.buttons, buttons);
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
478 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
479
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
480 // plugin initialization
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
481 var init = function (data) {
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
482 console.debug('initialising regions plugin. data:', data);
835
9fa078dcb493 predefine region content with a rel=
hertzhaft
parents: 832
diff changeset
483 var $elem = data.$elem;
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
484 // regions array
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
485 data.regions = [];
835
9fa078dcb493 predefine region content with a rel=
hertzhaft
parents: 832
diff changeset
486 // regions div
9fa078dcb493 predefine region content with a rel=
hertzhaft
parents: 832
diff changeset
487 var $html = $('<div class="keep regionHTML"/>');
9fa078dcb493 predefine region content with a rel=
hertzhaft
parents: 832
diff changeset
488 $elem.append($html);
832
e4133946a9ad display regions as HTML for use in digilib element
hertzhaft
parents: 824
diff changeset
489 data.$htmlDiv = $html;
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
490 // install event handler
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
491 var $data = $(data);
920
07c989c41b4f made plugins more jquery 1.7 compliant
robcast
parents: 903
diff changeset
492 $data.on('setup', handleSetup);
07c989c41b4f made plugins more jquery 1.7 compliant
robcast
parents: 903
diff changeset
493 $data.on('update', handleUpdate);
07c989c41b4f made plugins more jquery 1.7 compliant
robcast
parents: 903
diff changeset
494 $data.on('redisplay', handleRedisplay);
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
495 var settings = data.settings;
947
5bde01bcfb16 button plugin works now.
robcast
parents: 941
diff changeset
496 var selector = settings.regionContentSelector;
850
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
497 settings.hasRegionContent = $elem.has(selector).length > 0;
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
498 // neither URL-defined regions nor buttons when regions are predefined in HTML
47a6b93bde43 always show html-defined regions. wrong pos still not fixed
hertzhaft
parents: 848
diff changeset
499 if (!settings.hasRegionContent) {
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
500 var mode = settings.interactionMode;
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
501 // add "rg" to digilibParamNames
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
502 settings.digilibParamNames.push('rg');
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
503 // additional buttons
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
504 var buttonSettings = settings.buttonSettings[mode];
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
505 // configure buttons through digilib "regionSet" option
848
77248c6d2a5f fix missing buttons
hertzhaft
parents: 835
diff changeset
506 var buttonSet = settings.regionSet || regionSet;
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
507 // set regionSet to [] or '' for no buttons (when showing regions only)
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
508 if (buttonSet.length && buttonSet.length > 0) {
851
5922c444cd11 fixed region position bug in embedded mode, sigh
hertzhaft
parents: 850
diff changeset
509 buttonSettings.regionSet = buttonSet;
823
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
510 buttonSettings.buttonSets.push('regionSet');
8af71d9d830b fixed automatic region links and region content
hertzhaft
parents: 818
diff changeset
511 }
813
1a7b14deae3a regions plugin works, inclunding event handlers
hertzhaft
parents: 808
diff changeset
512 }
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
513 };
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
514
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
515 // plugin object with name and install/init methods
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
516 // shared objects filled by digilib on registration
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
517 var pluginProperties = {
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
518 name : 'region',
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
519 install : install,
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
520 init : init,
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
521 buttons : {},
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
522 actions : {},
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
523 fn : {},
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
524 plugins : {}
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
525 };
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
526
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
527 if ($.fn.digilib == null) {
808
ae8e98c479d5 stub for new plugins; overlay div for regions plugin
hertzhaft
parents: 799
diff changeset
528 $.error("jquery.digilib.regions must be loaded after jquery.digilib!");
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
529 } else {
799
12f790cb30de started to adapt regions plugin to new plugin mechanism
hertzhaft
parents: 792
diff changeset
530 $.fn.digilib('plugin', pluginProperties);
792
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
531 }
d742bd92b05a first step to a regions plugin
hertzhaft
parents:
diff changeset
532 })(jQuery);