Mercurial > hg > digilib-old
annotate webapp/src/main/webapp/jquery/jquery.digilib.js @ 1158:2ee261676828 default tip
better out-of-the box experience:
* digilib works without config files using sensible defaults
* new sample images folder used by default
* config files moved to templates
| author | robcast |
|---|---|
| date | Tue, 19 Feb 2013 17:32:25 +0100 |
| parents | 684ba9b317c2 |
| children |
| rev | line source |
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1 /* Copyright (c) 2011 Martin Raspe, Robert Casties |
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2 |
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3 This program is free software: you can redistribute it and/or modify |
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4 it under the terms of the GNU Lesser General Public License as published by |
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5 the Free Software Foundation, either version 2 of the License, or |
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6 (at your option) any later version. |
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7 |
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8 This program is distributed in the hope that it will be useful, |
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9 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 GNU Lesser General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU Lesser General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 |
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16 Authors: |
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17 Martin Raspe, Robert Casties, 11.1.2011 |
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18 */ |
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19 |
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20 /** |
| 604 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
| 767 | 24 /*jslint browser: true, debug: true, forin: true |
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25 */ |
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26 |
| 636 | 27 // fallback for console.log calls |
| 797 | 28 if (typeof console === 'undefined') { |
| 636 | 29 var console = { |
| 692 | 30 log : function(){}, |
| 31 debug : function(){}, | |
| 32 error : function(){} | |
| 33 }; | |
| 779 | 34 var customConsole = false; // set to true if debugging for MS IE |
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35 } |
| 604 | 36 |
| 37 (function($) { | |
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38 |
| 605 | 39 var defaults = { |
| 616 | 40 // version of this script |
| 1147 | 41 'version' : 'jquery.digilib.js 2.1.11', |
| 616 | 42 // logo url |
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43 'logoUrl' : 'img/digilib-logo-text1.png', |
| 635 | 44 // homepage url (behind logo) |
| 45 'homeUrl' : 'http://digilib.berlios.de', | |
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46 // base URL to digilib (e.g. 'http://digilib.mpiwg-berlin.mpg.de/digitallibrary') |
| 744 | 47 'digilibBaseUrl' : null, |
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48 // path to digilib frontend page (inside digilibBaseUrl) |
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49 'digilibFrontendPath' : '/jquery/digilib.html', |
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50 // base URL to Scaler servlet (usually digilibBaseUrl+'/servlet/Scaler') |
| 652 | 51 'scalerBaseUrl' : null, |
| 995 | 52 // prefix of digilib classes in CSS styles |
| 53 'cssPrefix' : 'dl-', | |
| 610 | 54 // list of Scaler parameters |
| 627 | 55 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 1077 | 56 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy','colop'], |
| 627 | 57 // Scaler parameter defaults |
| 643 | 58 'pn' : 1, |
| 627 | 59 'ww' : 1.0, |
| 60 'wh' : 1.0, | |
| 61 'wx' : 0.0, | |
| 62 'wy' : 0.0, | |
| 63 'ws' : 1.0, | |
| 643 | 64 'mo' : '', |
| 65 'rot' : 0, | |
| 66 'cont' : 0, | |
| 67 'brgt' : 0, | |
| 68 'rgbm' : '0/0/0', | |
| 69 'rgba' : '0/0/0', | |
| 70 'ddpi' : null, | |
| 71 'ddpix' : null, | |
| 72 'ddpiy' : null, | |
| 1077 | 73 'colop' : null, |
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74 // list of digilib parameters |
| 1077 | 75 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','colop','mk','clop'], |
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76 // digilib parameter defaults |
| 643 | 77 'mk' : '', |
| 650 | 78 'clop' : '', |
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79 // list of additional parameters (for page outside of digilib) |
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80 'additionalParamNames' : [], |
| 914 | 81 // list of parameters to suppress when generating page URL |
| 82 'suppressParamNames' : null, | |
| 643 | 83 // mode of operation: |
| 84 // fullscreen = take parameters from page URL, keep state in page URL | |
| 85 // embedded = take parameters from Javascript options, keep state inside object | |
| 610 | 86 'interactionMode' : 'fullscreen', |
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87 // default size of preview image for drag-scroll (preferrably same as Bird's Eye View image) |
| 954 | 88 'previewImgWidth' : 200, |
| 89 'previewImgHeight' : 200, | |
| 90 // maximum width or height of preview background image for drag-scroll | |
| 778 | 91 'maxBgSize' : 10000, |
| 795 | 92 // parameters used by background image |
| 954 | 93 'previewImgParamNames' : ['fn','pn','dw','dh','mo','rot'], |
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94 // reserved space in full page display (default value accounts for body margins) |
| 990 | 95 'scalerInsets' : { 'x' : 26, 'y': 20 } |
| 610 | 96 }; |
| 655 | 97 |
| 786 | 98 // list of plugins |
| 99 var plugins = {}; | |
| 787 | 100 // object to export functions to plugins |
| 948 | 101 var fn = null; |
| 786 | 102 // affine geometry plugin stub |
| 948 | 103 var geom = null; |
| 944 | 104 // rectangle with maximum zoom area |
| 948 | 105 var FULL_AREA = null; |
| 944 | 106 // limit for float comparison |
| 947 | 107 var EPSILON = 0.0001; |
| 108 // list of buttons | |
| 109 var buttons = {}; | |
| 655 | 110 |
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111 var actions = { |
| 954 | 112 /** init: digilib initialization |
| 113 * | |
| 114 * @param options | |
| 115 * @returns | |
| 116 */ | |
| 668 | 117 init : function(options) { |
| 786 | 118 // import geometry classes |
| 119 if (plugins.geometry == null) { | |
| 120 $.error("jquery.digilib.geometry plugin not found!"); | |
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121 // last straw: old version |
| 785 | 122 geom = dlGeometry(); |
| 123 } else { | |
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124 // geometry plugin puts classes in the shared fn |
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125 geom = fn.geometry; |
| 785 | 126 } |
| 127 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 668 | 128 // settings for this digilib instance are merged from defaults and options |
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129 // (no deep copy because lists would be joined) |
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130 var settings = $.extend({}, defaults, options); |
| 668 | 131 var isFullscreen = settings.interactionMode === 'fullscreen'; |
| 132 var queryParams = {}; | |
| 133 if (isFullscreen) { | |
| 1015 | 134 queryParams = parseQueryParams(); |
| 135 // filter additional parameters | |
| 136 for (var p in queryParams) { | |
| 137 if ($.inArray(p, settings.digilibParamNames) < 0) { | |
| 138 settings.additionalParamNames.push(p); | |
| 139 } | |
| 140 } | |
| 668 | 141 } |
| 142 return this.each(function() { | |
| 143 var $elem = $(this); | |
| 144 var data = $elem.data('digilib'); | |
| 688 | 145 var params, elemSettings; |
| 668 | 146 // if the plugin hasn't been initialized yet |
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147 if (data == null) { |
| 668 | 148 // merge query parameters |
| 149 if (isFullscreen) { | |
| 688 | 150 params = queryParams; |
| 668 | 151 } else { |
| 688 | 152 params = parseImgParams($elem); |
| 785 | 153 if ($.cookie) { |
| 727 | 154 // retrieve params from cookie |
| 155 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 785 | 156 var cs = $.cookie(ck); |
| 727 | 157 console.debug("get cookie=", ck, " value=", cs); |
| 158 if (cs) { | |
| 159 var cp = parseQueryString(cs); | |
| 728 | 160 // ignore fn and pn from cookie TODO: should we keep pn? |
| 161 delete cp.fn; | |
| 162 delete cp.pn; | |
| 785 | 163 $.extend(params, cp); |
| 727 | 164 } |
| 165 } | |
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166 } |
| 856 | 167 // setup $elem.data, needs "deep copy" because of nesting |
| 849 | 168 elemSettings = $.extend(true, {}, settings, params); |
| 697 | 169 data = { |
| 856 | 170 // let $(this) know about $(this) :-) |
| 668 | 171 $elem : $elem, |
| 856 | 172 // let $elem have its own copy of settings |
| 668 | 173 settings : elemSettings, |
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174 // keep options |
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175 options : options, |
| 856 | 176 // and of the URL query parameters |
| 965 | 177 queryParams : params |
| 668 | 178 }; |
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179 // store in jQuery data element |
| 668 | 180 $elem.data('digilib', data); |
| 949 | 181 } else { |
| 1015 | 182 // data exists |
| 183 elemSettings = data.settings; | |
| 668 | 184 } |
| 185 unpackParams(data); | |
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186 // list of current insets (dynamic for buttons etc.) |
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187 data.currentInsets = {'static' : elemSettings.scalerInsets}; |
| 744 | 188 // check if browser knows *background-size |
| 741 | 189 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 190 if ($elem.css(bs+'background-size')) { | |
| 191 data.hasBgSize = true; | |
| 192 data.bgSizeName = bs+'background-size'; | |
| 193 break; | |
| 194 } | |
| 195 } | |
| 944 | 196 data.hasPreviewBg = false; |
| 942 | 197 // check if browser supports AJAX-like URL-replace without reload |
| 198 data.hasAsyncReload = (typeof history.replaceState === 'function'); | |
| 993 | 199 // check if browser sets complete on cached images |
| 200 data.hasCachedComplete = ! $.browser.mozilla; | |
| 744 | 201 // check digilib base URL |
| 202 if (elemSettings.digilibBaseUrl == null) { | |
| 203 if (isFullscreen) { | |
| 204 // take current host | |
| 205 var url = window.location.toString(); | |
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206 // assume the page lives in [webapp]/jquery/ |
| 915 | 207 var pos = url.indexOf('/jquery/'); |
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208 if (pos > 0) { |
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209 elemSettings.digilibBaseUrl = url.substring(0, pos); |
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210 } |
| 744 | 211 } else { |
| 1015 | 212 // may be we got the scaler URL from the img |
| 744 | 213 var url = elemSettings.scalerBaseUrl; |
| 214 if (url) { | |
| 215 // build it from scaler URL | |
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216 var pos = url.indexOf('/servlet/Scaler'); |
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217 elemSettings.digilibBaseUrl = url.substring(0, pos); |
| 744 | 218 } |
| 219 } | |
| 220 } | |
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221 // check scaler base URL |
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222 if (elemSettings.scalerBaseUrl == null) { |
| 1015 | 223 if (elemSettings.digilibBaseUrl) { |
| 224 elemSettings.scalerBaseUrl = elemSettings.digilibBaseUrl + '/servlet/Scaler'; | |
| 225 } | |
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226 } |
| 947 | 227 // set up event handlers |
| 228 $(data).on('update', handleUpdate); // handleUpdate needs to be the first handler for update | |
| 229 $(data).on('changeZoomArea', handleChangeZoomArea); | |
| 786 | 230 // initialise plugins |
| 787 | 231 for (n in plugins) { |
| 232 var p = plugins[n]; | |
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233 if (typeof p.init === 'function') { |
| 1015 | 234 // call the plugins init() method |
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235 p.init(data); |
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236 } |
| 786 | 237 } |
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238 // trigger unpack params handlers |
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239 $(data).trigger('unpack'); |
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240 // get image info from server if needed |
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241 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 797 | 242 loadImageInfo(data); // triggers "imageInfo" on completion |
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243 } |
| 947 | 244 // create HTML structure for scaler |
| 779 | 245 setupScalerDiv(data); |
| 795 | 246 // send setup event |
| 247 $(data).trigger('setup'); | |
| 668 | 248 }); |
| 249 }, | |
| 250 | |
| 954 | 251 /** destroy: clean up digilib |
| 252 * | |
| 253 * @param data | |
| 254 * @returns | |
| 255 */ | |
| 668 | 256 destroy : function(data) { |
| 257 return this.each(function(){ | |
| 258 var $elem = $(this); | |
| 917 | 259 $(window).off('.digilib'); // unbind all digilibs(?) |
| 668 | 260 data.digilib.remove(); |
| 261 $elem.removeData('digilib'); | |
| 262 }); | |
| 263 }, | |
| 264 | |
| 1052 | 265 /** show the 'about' window |
| 954 | 266 * |
| 267 * @param data | |
| 268 */ | |
| 1052 | 269 about : function(data) { |
| 270 //FIXME: highlightButtons(data, 'about', on); | |
| 271 var $elem = data.$elem; | |
| 272 var settings = data.settings; | |
| 273 var cssPrefix = settings.cssPrefix; | |
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274 var aboutSelector = '#'+cssPrefix+'about'; |
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275 if (isOnScreen(data, aboutSelector)) return; |
| 1052 | 276 // make relative logoUrl absolute |
| 277 var logoUrl = settings.logoUrl; | |
| 278 if (logoUrl.charAt(0) !== '/' && logoUrl.substring(0,3) !== 'http') { | |
| 279 logoUrl = settings.digilibBaseUrl + '/' + logoUrl; | |
| 280 } | |
| 281 var html = '\ | |
| 282 <div id="'+cssPrefix+'about" class="'+cssPrefix+'about" style="display:none">\ | |
| 283 <p>Digilib Image Viewer</p>\ | |
| 284 <a href="'+settings.homeUrl+'">\ | |
| 285 <img class="'+settings.cssPrefix+'logo" title="Digilib" src="'+logoUrl+'"/>\ | |
| 286 </a>\ | |
| 287 <p>Version: '+settings.version+'</p>\ | |
| 288 </div>'; | |
| 289 $about = $(html); | |
| 290 $about.appendTo($elem); | |
| 291 $about.on('click.digilib', function () { | |
| 292 withdraw($about); | |
| 293 }); | |
| 294 $about.fadeIn(); | |
| 295 centerOnScreen(data, $about); | |
| 668 | 296 }, |
| 655 | 297 |
| 954 | 298 /** goto given page nr (+/-: relative) |
| 299 * | |
| 300 * @param data | |
| 301 * @param pageNr | |
| 302 * @returns {Boolean} | |
| 303 */ | |
| 668 | 304 gotoPage : function (data, pageNr) { |
| 305 var settings = data.settings; | |
| 306 var oldpn = settings.pn; | |
| 716 | 307 if (pageNr == null) { |
| 308 pageNr = window.prompt("Goto page number", oldpn); | |
| 309 } | |
| 668 | 310 var pn = setNumValue(settings, "pn", pageNr); |
| 311 if (pn == null) return false; // nothing happened | |
| 312 if (pn < 1) { | |
| 313 alert("no such page (page number too low)"); | |
| 314 settings.pn = oldpn; | |
| 315 return false; | |
| 316 } | |
| 767 | 317 // TODO: how do we get pt? |
|
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318 if (settings.pt != null) { |
| 668 | 319 if (pn > settings.pt) { |
| 320 alert("no such page (page number too high)"); | |
| 623 | 321 settings.pn = oldpn; |
| 322 return false; | |
| 634 | 323 } |
| 668 | 324 } |
| 325 // reset mk and others(?) | |
| 326 data.marks = []; | |
| 927 | 327 data.zoomArea = FULL_AREA.copy(); |
| 668 | 328 // then reload |
| 329 redisplay(data); | |
| 330 }, | |
| 654 | 331 |
| 954 | 332 /** zoom by a given factor |
| 333 * | |
| 334 * @param data | |
| 335 * @param factor | |
| 336 */ | |
| 668 | 337 zoomBy : function (data, factor) { |
| 338 zoomBy(data, factor); | |
| 339 }, | |
| 647 | 340 |
| 954 | 341 /** zoom to area (or interactive) |
| 342 * | |
| 343 * @param data | |
| 344 * @param area | |
| 345 */ | |
| 767 | 346 zoomArea : function (data, area) { |
| 347 if (area == null) { | |
| 348 // interactively | |
| 1107 | 349 var onComplete = function(data, rect) { |
| 350 if (rect == null) return; | |
| 351 setZoomArea(data, rect); | |
| 352 // reset modes | |
| 353 setFitMode(data, 'both'); | |
| 354 setScaleMode(data, 'screen'); | |
| 355 redisplay(data); | |
| 356 }; | |
| 357 defineArea(data, onComplete); | |
| 767 | 358 } else { |
| 359 data.zoomArea = geom.rectangle(area); | |
| 360 redisplay(data); | |
| 361 } | |
| 668 | 362 }, |
| 650 | 363 |
| 954 | 364 /** zoom out to full page |
| 365 * | |
| 366 * @param data | |
| 367 * @param mode | |
| 368 */ | |
| 668 | 369 zoomFull : function (data, mode) { |
| 1031 | 370 var settings = data.settings; |
| 917 | 371 data.zoomArea = FULL_AREA.copy(); |
| 972 | 372 setFitMode(data, mode); |
| 373 // zoom full only works in screen mode | |
| 374 setScaleMode(data, 'screen'); | |
| 668 | 375 redisplay(data); |
| 376 }, | |
| 377 | |
| 954 | 378 /** mirror the image |
| 379 * | |
| 380 * @param data | |
| 381 * @param mode | |
| 382 */ | |
| 668 | 383 mirror : function (data, mode) { |
| 384 var flags = data.scalerFlags; | |
| 385 if (mode === 'h') { | |
| 386 if (flags.hmir) { | |
| 387 delete flags.hmir; | |
| 388 } else { | |
| 389 flags.hmir = 1; | |
| 390 } | |
| 391 } else { | |
| 392 if (flags.vmir) { | |
| 393 delete flags.vmir; | |
| 394 } else { | |
| 395 flags.vmir = 1; | |
| 396 } | |
| 397 } | |
| 398 redisplay(data); | |
| 399 }, | |
| 650 | 400 |
| 954 | 401 /** rotate the image |
| 402 * | |
| 403 * @param data | |
| 404 * @param angle | |
| 405 */ | |
| 668 | 406 rotate : function (data, angle) { |
| 407 var rot = data.settings.rot; | |
| 408 if (angle == null) { | |
| 409 angle = window.prompt("Rotation angle:", rot); | |
| 410 } | |
| 411 data.settings.rot = angle; | |
| 412 redisplay(data); | |
| 413 }, | |
| 414 | |
| 954 | 415 /** change brightness |
| 416 * | |
| 417 * @param data | |
| 418 * @param factor | |
| 419 */ | |
| 668 | 420 brightness : function (data, factor) { |
| 421 var brgt = data.settings.brgt; | |
| 422 if (factor == null) { | |
| 423 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 424 } | |
| 425 data.settings.brgt = factor; | |
| 426 redisplay(data); | |
| 427 }, | |
| 428 | |
| 954 | 429 /** change contrast |
| 430 * | |
| 431 * @param data | |
| 432 * @param factor | |
|
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433 * @param brightness : if given, adjust brightness along with contrast |
| 954 | 434 */ |
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435 contrast : function (data, factor, brightness) { |
| 668 | 436 var cont = data.settings.cont; |
| 437 if (factor == null) { | |
| 438 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 439 } | |
| 440 data.settings.cont = factor; | |
|
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441 if (brightness) { |
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442 var brgt = 127 - (127 * Math.pow(2, factor)); |
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443 data.settings.brgt = brgt; |
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444 } |
| 668 | 445 redisplay(data); |
| 688 | 446 }, |
| 710 | 447 |
|
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448 /** change rgb contrast and brightness |
|
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449 * |
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450 * @param data |
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451 * @param rgbm |
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452 * @param rgba |
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453 */ |
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454 setRGB : function (data, rgbm, rgba) { |
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455 var oldRgbm = data.settings.rgbm; |
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456 var oldRgba = data.settings.rgba; |
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457 if (rgbm == null && rgba == null) { |
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458 var rgb = window.prompt("RGBm, RGBa (m_r/m_g/m_b, a_r/a_g/a_b)", oldRgbm+', '+oldRgba); |
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459 if (rgb != null) { |
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460 rgbs = rgb.split(/,\s*/); |
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461 if (rgbs.length == 2) { |
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462 data.settings.rgbm = rgbs[0]; |
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463 data.settings.rgba = rgbs[1]; |
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464 redisplay(data); |
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465 } |
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466 } |
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467 } else { |
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468 if (rgbm != null) data.settings.rgbm = rgbm; |
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469 if (rgba != null) data.settings.rgba = rgba; |
| 1052 | 470 redisplay(data); |
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471 } |
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472 }, |
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473 |
| 954 | 474 /** reset image parameters to defaults |
| 475 * TODO: improve this! | |
| 476 * | |
| 477 * @param data | |
| 478 */ | |
| 688 | 479 reset : function (data) { |
| 480 var settings = data.settings; | |
| 481 var paramNames = settings.digilibParamNames; | |
| 482 var params = data.queryParams; | |
| 483 // delete all digilib parameters | |
| 484 for (var i = 0; i < paramNames.length; i++) { | |
| 485 var paramName = paramNames[i]; | |
| 486 delete settings[paramName]; | |
|
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487 } |
|
735
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488 settings.fn = params.fn || ''; // no default defined |
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489 settings.pn = params.pn || defaults.pn; |
| 986 | 490 var size = getFullscreenImgSize(data); |
| 491 settings.dw = params.dw || size.width; | |
| 492 settings.dh = params.dh || size.height; | |
| 946 | 493 settings.visibleButtonSets = 1; // FIXME |
|
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494 // resets zoomArea, marks, scalerflags |
| 917 | 495 data.zoomArea = FULL_AREA.copy(); |
|
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496 data.marks = []; |
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497 data.scalerFlags = {}; |
| 712 | 498 delete data.dlOpts.fitwidth; |
| 499 delete data.dlOpts.fitheight; | |
| 986 | 500 data.scaleMode = 'screen'; |
| 688 | 501 redisplay(data); |
| 689 | 502 }, |
| 503 | |
| 954 | 504 /** presents a reference url (returns value if noprompt) |
| 505 * | |
| 506 * @param data | |
| 507 * @param noprompt | |
| 508 * @returns | |
| 509 */ | |
| 703 | 510 reference : function (data, noprompt) { |
| 744 | 511 var url = getDigilibUrl(data); |
| 703 | 512 if (noprompt == null) { |
| 513 window.prompt("URL reference to the current view", url); | |
| 1011 | 514 // return nothing so we can use is in javascript: url without reload |
| 515 return; | |
| 703 | 516 } |
| 517 return url; | |
| 518 }, | |
| 710 | 519 |
| 1011 | 520 /** |
| 521 * Returns URL to the full digilib.html with the current parameters. | |
| 522 * Redirects immediately with mode=open. | |
| 523 * | |
| 524 * @param data | |
| 525 * @param mode | |
| 526 */ | |
| 527 digilibUrl : function (data, mode) { | |
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528 var url = getDigilibUrl(data, data.settings.digilibFrontendPath); |
| 1011 | 529 if (mode === 'open') { |
| 530 // redirect | |
| 531 window.location = url; | |
| 532 } else if (mode === 'open_new') { | |
| 533 // open new window | |
| 534 window.open(url); | |
| 535 return; | |
| 536 } | |
| 537 return url; | |
| 538 }, | |
| 539 | |
| 540 | |
| 954 | 541 /** set image quality |
| 542 * | |
| 543 * @param data | |
| 544 * @param qual | |
| 545 */ | |
| 748 | 546 setQuality : function (data, qual) { |
| 703 | 547 var oldq = getQuality(data); |
| 548 if (qual == null) { | |
| 549 qual = window.prompt("Image quality (0..2)", oldq); | |
| 550 } | |
| 551 qual = parseInt(qual, 10); | |
| 552 if (qual >= 0 && qual <= 2) { | |
| 553 setQuality(data, qual); | |
| 554 redisplay(data); | |
| 555 } | |
|
754
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556 }, |
|
760
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557 |
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558 /** set image size |
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559 * |
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560 * @param data |
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561 * @param size |
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562 */ |
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563 setSize : function (data, size) { |
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564 var olds = data.settings.ws; |
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565 if (size == null) { |
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566 size = window.prompt("Image size (1=screen size)", olds); |
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567 } |
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568 size = parseFloat(size); |
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569 if (size > 0) { |
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570 data.settings.ws = size; |
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571 redisplay(data); |
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572 } |
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573 }, |
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|
574 |
|
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|
575 /** calibrate (set client screen dpi) |
| 954 | 576 * |
| 577 * @param data | |
| 578 * @param res | |
| 579 */ | |
|
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580 calibrate : function (data, res) { |
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581 var oldRes = data.settings.ddpi; |
|
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582 if (res == null) { |
|
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583 res = window.prompt("Display resolution (dpi)", oldRes); |
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|
584 } |
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585 if (res != null) { |
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586 data.settings.ddpi = res; |
|
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587 redisplay(data); |
|
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588 } |
|
760
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hertzhaft
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|
589 }, |
| 775 | 590 |
| 954 | 591 /** set image scale mode |
| 592 * | |
| 593 * @param data | |
| 594 * @param mode | |
| 595 */ | |
|
761
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596 setScaleMode : function (data, mode) { |
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597 var oldM = getScaleMode(data); |
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598 if (mode == null) { |
|
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599 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
|
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|
600 } |
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601 if (mode != null) { |
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602 setScaleMode(data, mode); |
|
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603 redisplay(data); |
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|
604 } |
|
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|
605 } |
|
763
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pixel-by-pixel scale mode works with zoom area. (not in all cases)
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|
606 // end of actions |
| 605 | 607 }; |
| 604 | 608 |
| 954 | 609 /** return parameters from page url |
| 610 * | |
| 611 */ | |
| 607 | 612 var parseQueryParams = function() { |
| 636 | 613 return parseQueryString(window.location.search.slice(1)); |
| 614 }; | |
| 655 | 615 |
| 984 | 616 /** |
| 617 * returns parameters from embedded img-element | |
| 954 | 618 * |
| 619 */ | |
| 607 | 620 var parseImgParams = function($elem) { |
|
613
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parents:
612
diff
changeset
|
621 var src = $elem.find('img').first().attr('src'); |
| 710 | 622 if (!src) return null; |
| 607 | 623 var pos = src.indexOf('?'); |
| 624 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 625 var scalerUrl = src.substring(0, pos); | |
| 627 | 626 var params = parseQueryString(query); |
| 627 params.scalerBaseUrl = scalerUrl; | |
| 628 return params; | |
| 636 | 629 }; |
| 607 | 630 |
| 984 | 631 /** |
| 632 * parses query parameter string into parameter object | |
| 954 | 633 * |
| 634 */ | |
| 607 | 635 var parseQueryString = function(query) { |
| 701 | 636 var params = {}; |
| 637 if (query == null) return params; | |
| 607 | 638 var pairs = query.split("&"); |
| 636 | 639 //var keys = []; |
| 607 | 640 for (var i = 0; i < pairs.length; i++) { |
| 641 var pair = pairs[i].split("="); | |
| 642 if (pair.length === 2) { | |
| 627 | 643 params[pair[0]] = pair[1]; |
| 636 | 644 //keys.push(pair[0]); |
| 634 | 645 } |
| 636 | 646 } |
| 627 | 647 return params; |
| 636 | 648 }; |
| 668 | 649 |
| 984 | 650 /** |
| 651 * return a query string from key names from a parameter hash | |
| 954 | 652 * (ignores keys if the same value is in defaults) |
| 653 * | |
| 654 */ | |
| 643 | 655 var getParamString = function (settings, keys, defaults) { |
| 615 | 656 var paramString = ''; |
| 650 | 657 var nx = false; |
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658 for (var i = 0; i < keys.length; ++i) { |
| 615 | 659 var key = keys[i]; |
| 663 | 660 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 661 // first param gets no '&' |
| 650 | 662 if (nx) { |
| 663 paramString += '&'; | |
| 664 } else { | |
| 665 nx = true; | |
| 666 } | |
| 615 | 667 // add parm=val |
| 668 paramString += key + '=' + settings[key]; | |
| 643 | 669 } |
| 615 | 670 } |
| 671 return paramString; | |
| 631 | 672 }; |
| 673 | |
| 984 | 674 /** |
| 675 * returns URL and query string for Scaler | |
| 954 | 676 */ |
| 636 | 677 var getScalerUrl = function (data) { |
| 741 | 678 packParams(data); |
| 653 | 679 var settings = data.settings; |
| 652 | 680 if (settings.scalerBaseUrl == null) { |
| 681 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
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682 } |
| 636 | 683 var keys = settings.scalerParamNames; |
| 643 | 684 var queryString = getParamString(settings, keys, defaults); |
| 636 | 685 var url = settings.scalerBaseUrl + '?' + queryString; |
| 686 return url; | |
| 687 }; | |
| 688 | |
| 954 | 689 /** returns URL for preview background image |
| 690 * | |
| 691 */ | |
| 692 var getPreviewImgUrl = function (data, moreParams) { | |
| 741 | 693 var settings = data.settings; |
| 795 | 694 var bgOptions = { |
| 954 | 695 dw : settings.previewImgWidth, |
| 696 dh : settings.previewImgHeight | |
| 741 | 697 }; |
| 795 | 698 var bgSettings = $.extend({}, settings, bgOptions); |
| 931 | 699 // filter scaler flags (use only hmir and vmir) |
| 795 | 700 if (bgSettings.mo != null) { |
| 701 var mo = ''; | |
| 702 if (data.scalerFlags.hmir != null) { | |
| 703 mo += 'hmir,'; | |
| 767 | 704 } |
| 795 | 705 if (data.scalerFlags.vmir != null) { |
| 706 mo += 'vmir'; | |
| 707 } | |
| 708 bgSettings.mo = mo; | |
| 743 | 709 } |
| 954 | 710 var params = getParamString(bgSettings, settings.previewImgParamNames, defaults); |
| 743 | 711 var url = settings.scalerBaseUrl + '?' + params; |
| 741 | 712 return url; |
| 713 }; | |
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714 |
| 1011 | 715 /** |
| 716 * returns URL and query string for current digilib. | |
| 717 * if digilibPage != null returns URL to page in digilib installation with digilib parameters, | |
| 718 * otherwise using current URL and parameters. | |
| 954 | 719 * |
| 720 */ | |
| 1011 | 721 var getDigilibUrl = function (data, digilibPage) { |
| 643 | 722 packParams(data); |
| 636 | 723 var settings = data.settings; |
| 1011 | 724 var paramList = settings.digilibParamNames; |
| 725 if (digilibPage != null) { | |
| 726 var baseUrl = data.settings.digilibBaseUrl + digilibPage; | |
| 727 } else { | |
| 728 paramList = settings.additionalParamNames.concat(settings.digilibParamNames); | |
| 729 if (settings.suppressParamNames != null) { | |
| 730 // eliminate suppressed parameters from list | |
| 731 paramList = $.map(paramList, function(e, idx) { | |
| 732 if ($.inArray(e, settings.suppressParamNames) >= 0) { | |
| 733 return null; | |
| 734 } else { | |
| 735 return e; | |
| 736 } | |
| 737 }); | |
| 738 } | |
| 739 // take url from current location | |
| 740 var baseUrl = window.location.href; | |
| 741 var pos = baseUrl.indexOf('?'); | |
| 742 if (pos > -1) { | |
| 743 baseUrl = baseUrl.substring(0, pos); | |
| 744 } | |
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745 } |
| 1007 | 746 var queryString = getParamString(settings, paramList, defaults); |
| 1011 | 747 return baseUrl + '?' + queryString; |
| 636 | 748 }; |
| 749 | |
| 954 | 750 /** loads image information from digilib server via HTTP |
| 751 * | |
| 752 */ | |
| 797 | 753 var loadImageInfo = function (data) { |
|
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754 var settings = data.settings; |
| 917 | 755 // bind default function (only once) |
| 756 $(data).off('imageInfo', handleImageInfo); | |
| 757 $(data).on('imageInfo', handleImageInfo); | |
| 758 var url = settings.digilibBaseUrl + '/ImgInfo-json.jsp'; | |
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759 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 767 | 760 // TODO: better error handling |
| 785 | 761 $.getJSON(url, function (json) { |
|
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762 console.debug("got json data=", json); |
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763 data.imgInfo = json; |
| 797 | 764 // send event |
| 765 $(data).trigger('imageInfo', [json]); | |
|
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766 }); |
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767 }; |
| 775 | 768 |
| 954 | 769 /** processes some parameters into objects and stuff |
| 770 * | |
| 771 */ | |
| 631 | 772 var unpackParams = function (data) { |
| 773 var settings = data.settings; | |
| 636 | 774 // zoom area |
| 631 | 775 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 776 data.zoomArea = zoomArea; |
| 650 | 777 // mo (Scaler flags) |
| 778 var flags = {}; | |
| 779 if (settings.mo) { | |
| 780 var pa = settings.mo.split(","); | |
| 781 for (var i = 0; i < pa.length ; i++) { | |
| 782 flags[pa[i]] = pa[i]; | |
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783 } |
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784 } |
| 650 | 785 data.scalerFlags = flags; |
|
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786 data.scaleMode = getScaleMode(data); |
| 723 | 787 retrieveOptions(data); |
| 655 | 788 }; |
| 789 | |
| 954 | 790 /** put area into parameters |
| 791 * | |
| 792 */ | |
| 822 | 793 var packArea = function (settings, area) { |
| 794 if (!area) return; | |
| 795 // zoom area | |
| 796 settings.wx = cropFloat(area.x); | |
| 797 settings.wy = cropFloat(area.y); | |
| 798 settings.ww = cropFloat(area.width); | |
| 799 settings.wh = cropFloat(area.height); | |
| 800 }; | |
| 801 | |
| 954 | 802 /** pack scaler flags into parameters |
| 803 * | |
| 804 */ | |
| 822 | 805 var packScalerFlags = function (settings, flags) { |
| 806 if (!flags) return; | |
| 807 var mo = ''; | |
| 808 for (var f in flags) { | |
| 809 if (mo) { | |
| 810 mo += ','; | |
| 811 } | |
| 812 mo += f; | |
| 813 } | |
| 814 settings.mo = mo; | |
| 815 }; | |
| 816 | |
| 954 | 817 /** put objects back into parameters |
| 818 * | |
| 819 */ | |
| 631 | 820 var packParams = function (data) { |
| 821 var settings = data.settings; | |
| 822 | 822 packArea(settings, data.zoomArea); |
| 823 packScalerFlags(settings, data.scalerFlags); | |
| 824 // store user interface options in cookie | |
| 723 | 825 storeOptions(data); |
|
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826 // trigger pack handlers |
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827 $(data).trigger('pack'); |
| 709 | 828 }; |
| 688 | 829 |
| 954 | 830 /** store digilib options in a cookie |
| 831 * | |
| 832 */ | |
| 723 | 833 var storeOptions = function (data) { |
| 709 | 834 var settings = data.settings; |
| 835 if (data.dlOpts) { | |
| 836 // save digilib settings in options | |
| 837 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 838 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 839 var clop = ''; | |
| 840 for (var o in data.dlOpts) { | |
| 841 if (clop) { | |
| 842 clop += '&'; | |
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843 } |
| 709 | 844 clop += o + '=' + data.dlOpts[o]; |
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845 } |
| 785 | 846 if ($.cookie) { |
| 709 | 847 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 848 console.debug("set cookie=", ck, " value=", clop); | |
| 785 | 849 $.cookie(ck, clop); |
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850 } |
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851 } |
| 785 | 852 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 727 | 853 // store normal parameters in cookie for embedded mode |
| 854 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 855 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 856 console.debug("set cookie=", ck, " value=", qs); | |
| 785 | 857 $.cookie(ck, qs); |
| 727 | 858 } |
| 631 | 859 }; |
| 655 | 860 |
| 983 | 861 /** retrieve digilib options from a cookie |
| 954 | 862 * |
| 863 */ | |
| 723 | 864 var retrieveOptions = function (data) { |
| 709 | 865 // clop (digilib options) |
| 866 var opts = {}; | |
| 867 var settings = data.settings; | |
| 785 | 868 if ($.cookie) { |
| 709 | 869 // read from cookie |
| 870 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 785 | 871 var cp = $.cookie(ck); |
| 709 | 872 console.debug("get cookie=", ck, " value=", cp); |
| 873 // in query string format | |
| 874 opts = parseQueryString(cp); | |
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875 } |
| 709 | 876 data.dlOpts = opts; |
| 877 // birdview option | |
| 878 if (opts.birdview != null) { | |
| 879 settings.isBirdDivVisible = opts.birdview === '1'; | |
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880 } |
| 709 | 881 // visible button sets |
| 882 if (opts.buttons != null) { | |
| 883 settings.visibleButtonSets = opts.buttons; | |
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884 } |
| 711 | 885 }; |
| 709 | 886 |
| 949 | 887 /** (re)load the image with the current settings. |
| 888 * | |
| 889 */ | |
|
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890 var redisplay = function (data) { |
| 1031 | 891 var settings = data.settings; |
| 892 if (settings.autoBirdDiv) { | |
| 893 settings.isBirdDivVisible = !isFullArea(data.zoomArea); | |
| 894 } | |
| 636 | 895 if (settings.interactionMode === 'fullscreen') { |
| 896 // update location.href (browser URL) in fullscreen mode | |
|
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897 var url = getDigilibUrl(data); |
| 636 | 898 var history = window.history; |
| 942 | 899 if (data.hasAsyncReload) { |
|
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900 console.debug("faking reload to "+url); |
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901 // change url without reloading (stateObj, title, url) |
|
890
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902 // TODO: we really need to push the state in stateObj and listen to pop-events |
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903 try { |
| 1015 | 904 history.replaceState({}, '', url); |
| 905 // show busy cursor | |
| 906 $('body').css('cursor', 'progress'); | |
| 907 data.$scaler.css('cursor', 'progress'); | |
| 908 // change img src | |
| 909 var $img = data.$img; | |
| 910 var imgurl = getScalerUrl(data); | |
| 911 $img.attr('src', imgurl); | |
| 912 // trigger load event if image is cached. Doesn't work with Firefox!! | |
| 913 if (data.hasCachedComplete && $img.prop('complete')) { | |
| 914 console.debug("cached img.load"); | |
| 915 $img.trigger('load'); | |
| 916 } | |
| 917 if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { | |
| 918 // we need image info, do we have it? | |
| 919 if (data.imgInfo == null) { | |
| 920 loadImageInfo(data); | |
| 921 } | |
| 922 } | |
| 923 // update if we have a preview | |
| 924 if (data.hasPreviewBg) { | |
| 925 $(data).trigger('update'); | |
| 926 } | |
| 927 //FIXME: highlightButtons(data); | |
| 928 // send event | |
| 929 $(data).trigger('redisplay'); | |
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930 } catch (e) { |
| 1015 | 931 console.error("replaceState("+url+") didn't work: "+e); |
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932 // reload window |
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933 window.location = url; |
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934 } |
|
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935 } else { |
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936 // reload window |
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937 window.location = url; |
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938 } |
| 636 | 939 } else { |
| 940 // embedded mode -- just change img src | |
| 1015 | 941 // show busy cursor |
| 942 $('body').css('cursor', 'progress'); | |
| 943 data.$scaler.css('cursor', 'progress'); | |
| 944 var $img = data.$img; | |
| 636 | 945 var url = getScalerUrl(data); |
| 949 | 946 $img.attr('src', url); |
| 1015 | 947 // trigger load event if image is cached |
| 948 if ($img.prop('complete')) $img.trigger('load'); | |
| 949 if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { | |
| 950 // we need image info, do we have it? | |
| 951 if (data.imgInfo == null) { | |
| 952 loadImageInfo(data); | |
| 953 } | |
| 954 } | |
| 949 | 955 //FIXME: highlightButtons(data); |
| 795 | 956 // send event |
| 957 $(data).trigger('redisplay'); | |
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958 } |
| 622 | 959 }; |
| 960 | |
| 949 | 961 /** update display (overlays etc.) |
| 962 * (just triggers "update" event) | |
| 963 */ | |
| 767 | 964 var updateDisplay = function (data) { |
| 947 | 965 // send event |
| 966 $(data).trigger('update'); | |
| 967 }; | |
| 968 | |
| 949 | 969 /** handle "update" display event. |
|
991
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970 * updates image transform, etc. |
| 949 | 971 */ |
| 947 | 972 var handleUpdate = function (evt) { |
| 1015 | 973 var data = this; |
| 767 | 974 updateImgTrafo(data); |
| 975 setupZoomDrag(data); | |
| 976 }; | |
| 974 | 977 |
| 984 | 978 /** |
| 979 * returns maximum size for scaler img in fullscreen mode. | |
| 949 | 980 */ |
| 778 | 981 var getFullscreenImgSize = function (data) { |
|
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982 //var mode = data.settings.interactionMode; |
| 662 | 983 var $win = $(window); |
| 984 var winH = $win.height(); | |
| 779 | 985 var winW = $win.width(); |
|
989
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|
986 // add all current insets |
|
991
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987 // accounting for left/right border, body margins and additional requirements |
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988 var insets = { 'x' : 0, 'y' : 0}; |
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989 for (var n in data.currentInsets) { |
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990 insets.x += data.currentInsets[n].x; |
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991 insets.y += data.currentInsets[n].y; |
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992 }; |
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993 var imgW = winW - insets.x; |
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994 var imgH = winH - insets.y; |
| 998 | 995 console.debug('getFullscreenImgSize - screen w/h:', winW, winH, 'window.width', $win.width(), 'img w/h:', imgW, imgH); |
|
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996 return geom.size(imgW, imgH); |
| 662 | 997 }; |
| 998 | |
| 984 | 999 /** |
| 1000 * returns a rectangle.with the fullscreen dimensions | |
| 974 | 1001 */ |
| 1002 var getFullscreenRect = function (data) { | |
| 1003 return geom.rectangle(getFullscreenImgSize(data)); | |
| 1004 }; | |
| 1005 | |
| 984 | 1006 /** |
| 1007 * creates HTML structure for digilib in elem | |
| 949 | 1008 */ |
| 627 | 1009 var setupScalerDiv = function (data) { |
| 1010 var settings = data.settings; | |
| 647 | 1011 var $elem = data.$elem; |
| 996 | 1012 var cssPrefix = settings.cssPrefix; |
| 1013 $elem.addClass(cssPrefix+'digilib'); | |
| 728 | 1014 var $img; |
| 1015 var scalerUrl; | |
| 608 | 1016 if (settings.interactionMode === 'fullscreen') { |
| 728 | 1017 // fullscreen |
| 995 | 1018 $elem.addClass(cssPrefix+'fullscreen'); |
| 778 | 1019 var imgSize = getFullscreenImgSize(data); |
| 1012 | 1020 data.maxImgSize = imgSize; |
| 650 | 1021 // fitwidth/height omits destination height/width |
| 728 | 1022 if (data.dlOpts.fitheight == null) { |
| 650 | 1023 settings.dw = imgSize.width; |
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1024 } |
| 728 | 1025 if (data.dlOpts.fitwidth == null) { |
| 650 | 1026 settings.dh = imgSize.height; |
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|
1027 } |
| 686 | 1028 scalerUrl = getScalerUrl(data); |
| 728 | 1029 $img = $('<img/>'); |
| 609 | 1030 } else { |
| 728 | 1031 // embedded mode -- try to keep img tag |
| 1015 | 1032 data.maxImgSize = geom.rectangle($elem).getSize(); |
| 995 | 1033 $elem.addClass(cssPrefix+'embedded'); |
| 728 | 1034 scalerUrl = getScalerUrl(data); |
| 623 | 1035 $img = $elem.find('img'); |
|
613
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keeping img tag for embedded mode seems to work now
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|
1036 if ($img.length > 0) { |
|
870
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keep title and alt attributes from HTML for scaler img
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|
1037 var oldUrl = $img.attr('src'); |
|
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|
1038 // keep img attributes from html |
|
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|
1039 var title = $img.attr('title'); |
|
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|
1040 var alt = $img.attr('alt'); |
|
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|
1041 if (oldUrl === scalerUrl) { |
|
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|
1042 console.debug("img detach:", $img); |
|
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|
1043 $img.detach(); |
|
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|
1044 } else { |
|
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|
1045 $img = $('<img/>'); |
|
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|
1046 $img.attr("title", title); |
|
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|
1047 $img.attr("alt", alt); |
| 728 | 1048 } |
|
613
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keeping img tag for embedded mode seems to work now
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diff
changeset
|
1049 } else { |
|
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changeset
|
1050 $img = $('<img/>'); |
|
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|
1051 } |
| 608 | 1052 } |
| 822 | 1053 // create new inner html, keeping buttons and content marked with "keep" class |
| 996 | 1054 $elem.contents(':not(.'+cssPrefix+'keep)').remove(); |
| 995 | 1055 var $scaler = $('<div class="'+cssPrefix+'scaler"/>'); |
| 779 | 1056 // scaler should be the first child element? |
| 1057 $elem.prepend($scaler); | |
|
613
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|
1058 $scaler.append($img); |
| 995 | 1059 $img.addClass(cssPrefix+'pic'); |
| 649 | 1060 data.$scaler = $scaler; |
| 636 | 1061 data.$img = $img; |
| 947 | 1062 // set busy cursor |
| 1063 $('body').css('cursor','progress'); | |
| 1015 | 1064 data.$scaler.css('cursor', 'progress'); |
| 942 | 1065 // set up image load handler before setting the src attribute (IE bug) |
| 687 | 1066 $img.load(scalerImgLoadedHandler(data)); |
| 767 | 1067 $img.error(function () {console.error("error loading scaler image");}); |
| 687 | 1068 $img.attr('src', scalerUrl); |
| 608 | 1069 }; |
| 615 | 1070 |
| 1052 | 1071 /** shows some div (toggle visibility if show is null) |
| 949 | 1072 * |
| 1073 */ | |
| 635 | 1074 var showDiv = function (isVisible, $div, show) { |
| 645 | 1075 if (show == null) { |
| 635 | 1076 // toggle visibility |
| 1077 isVisible = !isVisible; | |
| 1078 } else { | |
| 1079 // set visibility | |
| 1080 isVisible = show; | |
|
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|
1081 } |
| 635 | 1082 if (isVisible) { |
| 1083 $div.fadeIn(); | |
| 1084 } else { | |
| 1085 $div.fadeOut(); | |
|
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|
1086 } |
| 635 | 1087 return isVisible; |
| 634 | 1088 }; |
| 616 | 1089 |
| 949 | 1090 /** Create Transform from zoom area and image size and parameters. |
| 1091 * Returns Transform between normalized coordinates and image pixel coordinates. | |
| 1092 */ | |
|
772
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|
1093 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
658
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|
1094 var picrect = geom.rectangle($img); |
| 949 | 1095 // handle pixel-by-pixel and original-size modes |
|
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|
1096 if (mode != null) { |
|
772
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|
1097 var imgInfo = data.imgInfo; |
|
763
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|
1098 if (mode === 'pixel') { |
|
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|
1099 // scaler mo=clip - image area size does not come from ww, wh |
|
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|
1100 if (imgInfo != null) { |
|
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|
1101 area.width = picrect.width / imgInfo.width; |
|
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|
1102 area.height = picrect.height / imgInfo.height; |
|
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|
1103 } else { |
|
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|
1104 console.error("No image info for pixel mode!"); |
|
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|
1105 } |
|
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|
1106 } |
|
772
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original size mode works with zoom area now. needs error handling.
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|
1107 if (mode === 'size') { |
|
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|
1108 // scaler mo=osize - image area size does not come from ww, wh |
|
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original size mode works with zoom area now. needs error handling.
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|
1109 if (imgInfo != null) { |
|
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|
1110 var ddpi = parseFloat(data.settings.ddpi); |
|
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changeset
|
1111 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
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|
1112 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
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|
1113 } else { |
|
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|
1114 console.error("No image info for original size mode!"); |
|
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|
1115 } |
|
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|
1116 } |
|
763
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|
1117 } |
|
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|
1118 var trafo = geom.transform(); |
| 675 | 1119 // move zoom area offset to center |
|
658
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diff
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|
1120 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1121 // scale zoom area size to [1,1] |
|
658
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diff
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|
1122 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1123 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1124 if (rot || hmir || vmir) { | |
| 1125 // move [0.5,0.5] to center | |
| 1126 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1127 if (hmir) { | |
| 1128 // mirror about center | |
| 1129 trafo.concat(trafo.getMirror('y')); | |
|
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diff
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|
1130 } |
| 675 | 1131 if (vmir) { |
| 1132 // mirror about center | |
| 1133 trafo.concat(trafo.getMirror('x')); | |
|
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diff
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|
1134 } |
| 675 | 1135 if (rot) { |
| 1136 // rotate around center | |
| 1137 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
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diff
changeset
|
1138 } |
| 675 | 1139 // move back |
| 1140 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
713
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diff
changeset
|
1141 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
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663
diff
changeset
|
1142 // scale to screen position and size |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
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diff
changeset
|
1143 trafo.concat(trafo.getScale(picrect)); |
|
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diff
changeset
|
1144 trafo.concat(trafo.getTranslation(picrect)); |
|
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split bird's view code in two more parts, analog to scaler-img code.
robcast
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656
diff
changeset
|
1145 return trafo; |
| 655 | 1146 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1147 |
| 949 | 1148 /** update current scaler image transform |
| 1149 */ | |
| 767 | 1150 var updateImgTrafo = function (data) { |
| 1151 var $img = data.$img; | |
| 895 | 1152 if ($img == null) |
| 1153 return; | |
| 1154 var imgLoaded = $.browser.msie | |
| 949 | 1155 ? $img.prop('width') > 0 |
| 1156 : $img.prop('complete'); | |
|
950
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1157 if (imgLoaded || data.hasPreviewBg) { |
| 1015 | 1158 // create Transform from current zoomArea and image size |
| 1159 data.imgTrafo = getImgTrafo($img, data.zoomArea, data.settings.rot, | |
| 1160 data.scalerFlags.hmir, data.scalerFlags.vmir, | |
| 1161 data.scaleMode, data); | |
| 1162 console.debug("updateImgTrafo: ", data.imgTrafo); | |
| 1163 } | |
| 767 | 1164 }; |
| 775 | 1165 |
| 949 | 1166 /** return handler for load event of scaler img |
| 1167 * (necessary for closure with data object) | |
| 1168 */ | |
| 767 | 1169 var scalerImgLoadedHandler = function (data) { |
| 1170 return function () { | |
| 1171 var $img = $(this); | |
| 1172 console.debug("scaler img loaded=",$img); | |
| 1173 var $scaler = data.$scaler; | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1174 var imgRect = geom.rectangle($img); |
| 931 | 1175 data.imgRect = imgRect; |
| 1015 | 1176 // reset busy cursor |
| 1177 $('body').css('cursor', 'auto'); | |
| 1178 $scaler.css('cursor', 'auto'); | |
| 957 | 1179 // adjust scaler div size (beware: setting position makes the element relative) |
| 1180 imgRect.getSize().adjustDiv($scaler); | |
| 715 | 1181 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1182 $img.css('visibility', 'visible'); |
|
1019
287e2d2d2ae8
fix flicker in Firefox by leaving scaler background visible.
robcast
parents:
1018
diff
changeset
|
1183 $scaler.css({'opacity' : '1'}); |
|
950
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1184 data.hasPreviewBg = false; |
| 767 | 1185 // update display (render marks, etc.) |
| 1186 updateDisplay(data); | |
|
658
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split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1187 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1188 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1189 |
| 949 | 1190 /** handle imageInfo loaded event |
| 1191 * | |
| 1192 */ | |
| 797 | 1193 var handleImageInfo = function (evt, json) { |
| 1015 | 1194 console.debug("handleImageInfo:", json); |
| 797 | 1195 var data = this; |
| 1196 updateDisplay(data); | |
| 1197 }; | |
| 813 | 1198 |
| 949 | 1199 /** handle changeZoomArea event |
| 1200 * | |
| 1201 */ | |
| 942 | 1202 var handleChangeZoomArea = function (evt, newZa) { |
| 1015 | 1203 console.debug("handleChangeZoomArea:", newZa); |
| 1204 var data = this; | |
| 1205 // hide all overlays (marks/regions) | |
| 996 | 1206 data.$elem.find('.'+data.settings.cssPrefix+'overlay').hide(); |
| 1015 | 1207 setPreviewBg(data, newZa); |
| 942 | 1208 }; |
| 1015 | 1209 |
| 949 | 1210 /** zoom by the given factor. |
| 1211 * | |
| 1212 */ | |
| 643 | 1213 var zoomBy = function(data, factor) { |
| 1214 var area = data.zoomArea; | |
| 1215 var newarea = area.copy(); | |
| 1216 // scale | |
| 1217 newarea.width /= factor; | |
| 1218 newarea.height /= factor; | |
| 1219 // and recenter | |
| 1220 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1221 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1222 newarea = FULL_AREA.fit(newarea); |
|
950
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diff
changeset
|
1223 setZoomArea(data, newarea); |
| 972 | 1224 // reset modes |
| 1225 setScaleMode(data, 'screen'); | |
| 1226 setFitMode(data, 'both'); | |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1227 redisplay(data); |
| 643 | 1228 }; |
| 1229 | |
| 1107 | 1230 /** define an area by click and drag |
| 949 | 1231 * |
| 1232 */ | |
| 1107 | 1233 var defineArea = function(data, onComplete, cls) { |
| 1234 var CSS = data.settings.cssPrefix; | |
| 1235 var $elem = data.$elem; | |
| 1236 var $scaler = data.$scaler; | |
| 654 | 1237 var picRect = geom.rectangle($scaler); |
| 1107 | 1238 var $body = $('body'); |
| 1239 var bodyRect = geom.rectangle($body); | |
| 1240 var pt1, pt2; | |
| 1241 // overlay div prevents other elements from reacting to mouse events | |
| 1242 var $overlayDiv = $('<div class="'+CSS+'areaoverlay"/>'); | |
|
1134
cd594aa261ec
fix defineArea bug in IE; reintroduce CSS opacity filters for IE 6-8
hertzhaft
parents:
1131
diff
changeset
|
1243 $elem.append($overlayDiv); |
| 1107 | 1244 bodyRect.adjustDiv($overlayDiv); |
| 1245 // area div | |
| 1246 var $areaDiv = $('<div class="'+CSS+'area"/>'); | |
| 1247 if (cls) { | |
| 1248 $areaDiv.addClass(cls); // individual styling | |
| 1249 } | |
| 1250 $elem.append($areaDiv); | |
| 654 | 1251 |
| 1107 | 1252 var areaStart = function (evt) { |
| 654 | 1253 pt1 = geom.position(evt); |
| 1107 | 1254 // setup and show area div |
| 1255 pt1.adjustDiv($areaDiv); | |
| 1256 $areaDiv.width(0).height(0); | |
| 1257 $areaDiv.show(); | |
| 654 | 1258 // register events |
| 1107 | 1259 $overlayDiv.on("mousemove.dlArea", areaMove); |
| 1260 $overlayDiv.on("mouseup.dlArea", areaEnd); | |
| 654 | 1261 return false; |
| 1262 }; | |
| 668 | 1263 |
| 741 | 1264 // mouse move handler |
| 1107 | 1265 var areaMove = function (evt) { |
| 741 | 1266 pt2 = geom.position(evt); |
| 1267 var rect = geom.rectangle(pt1, pt2); | |
| 1268 rect.clipTo(picRect); | |
| 1107 | 1269 // update area div |
| 1270 rect.adjustDiv($areaDiv); | |
| 741 | 1271 return false; |
| 1272 }; | |
|
745
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move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1273 |
| 654 | 1274 // mouseup handler: end moving |
| 1107 | 1275 var areaEnd = function (evt) { |
| 654 | 1276 pt2 = geom.position(evt); |
| 1277 // assume a click and continue if the area is too small | |
| 1278 var clickRect = geom.rectangle(pt1, pt2); | |
| 1107 | 1279 if (clickRect.getArea() <= 5) { |
| 1280 onComplete(data, null); | |
| 1281 return false; | |
| 1282 }; | |
| 654 | 1283 // unregister events |
| 1107 | 1284 $overlayDiv.off("mousemove.dlArea", areaMove); |
| 1285 $overlayDiv.off("mouseup.dlArea", areaEnd); | |
| 654 | 1286 // clip and transform |
| 1287 clickRect.clipTo(picRect); | |
| 1107 | 1288 var rect = data.imgTrafo.invtransform(clickRect); |
| 1289 // execute callback | |
| 1290 onComplete(data, rect); | |
| 1291 // destroy area div | |
| 1292 withdraw($areaDiv); | |
| 1293 withdraw($overlayDiv); | |
| 654 | 1294 return false; |
| 1295 }; | |
| 668 | 1296 |
| 1107 | 1297 // start by clicking |
| 1298 $overlayDiv.one('mousedown.dlArea', areaStart); | |
| 654 | 1299 }; |
| 647 | 1300 |
|
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1301 /** set preview background. |
|
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1302 * optional newZoomArea scales and moves background to preview. |
| 949 | 1303 */ |
|
950
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1304 var setPreviewBg = function(data, newZoomArea) { |
|
746
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move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1305 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1306 var $img = data.$img; |
|
950
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1307 var imgTrafo = data.imgTrafo; |
|
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1308 var scalerPos = geom.position($scaler); |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1309 var bgRect = null; |
|
746
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move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1310 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1311 $img.css('visibility', 'hidden'); |
|
918
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1312 // use current image as first background |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1313 var scalerCss = { |
| 1015 | 1314 'background-image' : 'url(' + $img.attr('src') + ')', |
|
950
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much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1315 'background-repeat' : 'no-repeat', |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1316 'background-position' : '0px 0px', |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1317 'opacity' : '0.7', |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1318 'cursor' : 'move' |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1319 }; |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1320 if (newZoomArea != null) { |
| 1015 | 1321 // check if aspect ratio has changed |
| 1322 if (Math.abs(newZoomArea.getAspect() - data.zoomArea.getAspect()) > 0.001 ) { | |
| 1323 var newRect = data.imgTrafo.transform(newZoomArea); | |
| 1324 var newAspect = newRect.getAspect(); | |
| 1325 var newSize = data.maxImgSize.fitAspect(newAspect); | |
| 1326 // set scaler to presumed new size | |
| 1327 newSize.adjustDiv($scaler); | |
| 1328 console.debug("adjusting aspect ratio for preview", data.maxImgSize, newSize); | |
| 1329 } | |
| 1330 // get transform for new zoomArea (use 'screen' instead of data.scaleMode) | |
| 1331 imgTrafo = getImgTrafo($scaler, newZoomArea, data.settings.rot, | |
| 1332 data.scalerFlags.hmir, data.scalerFlags.vmir, | |
| 1333 'screen', data); | |
| 1334 // for new background coordinates transform old zoomArea with new Transform | |
| 1335 bgRect = imgTrafo.transform(data.zoomArea); | |
| 1336 // correct offset because background is relative | |
| 1337 bgRect.addPosition(scalerPos.neg()); | |
| 1338 // position background | |
| 1339 scalerCss['background-position'] = Math.round(bgRect.x) + 'px '+ Math.round(bgRect.y) + 'px'; | |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1340 } |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1341 if (data.hasBgSize) { |
| 1015 | 1342 // scale background using CSS3-background-size |
| 1343 if (bgRect != null && (bgRect.height < data.settings.maxBgSize && bgRect.width < data.settings.maxBgSize)) { | |
| 1344 scalerCss[data.bgSizeName] = Math.round(bgRect.width) + 'px ' + Math.round(bgRect.height) + 'px'; | |
| 1345 } else { | |
| 1346 scalerCss[data.bgSizeName] = 'auto'; | |
| 1347 } | |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1348 // additional full-size background using CSS3 |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1349 fullRect = imgTrafo.transform(FULL_AREA); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1350 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1351 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1352 fullRect.addPosition(scalerPos.neg()); |
| 954 | 1353 var url = getPreviewImgUrl(data); |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1354 // add second background url, size and position |
|
918
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1355 scalerCss['background-image'] += ', url(' + url + ')'; |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1356 scalerCss[data.bgSizeName] += ', ' + Math.round(fullRect.width) + 'px ' + Math.round(fullRect.height) + 'px'; |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1357 scalerCss['background-position'] += ', ' + Math.round(fullRect.x) + 'px '+ Math.round(fullRect.y) + 'px'; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1358 } |
|
918
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1359 } |
|
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1360 $scaler.css(scalerCss); |
| 942 | 1361 data.hasPreviewBg = true; |
|
929
e881ab1c2f47
first step to "preview" like zoom-drag for more operations
robcast
parents:
928
diff
changeset
|
1362 }; |
| 1015 | 1363 |
| 949 | 1364 /** setup handlers for dragging the zoomed image. |
| 1365 * | |
| 1366 */ | |
| 705 | 1367 var setupZoomDrag = function(data) { |
| 942 | 1368 var startPos, delta; |
| 733 | 1369 var $document = $(document); |
| 795 | 1370 var $data = $(data); |
| 705 | 1371 var $elem = data.$elem; |
| 1372 var $scaler = data.$scaler; | |
| 1373 var $img = data.$img; | |
| 710 | 1374 |
| 733 | 1375 // drag the image and load a new detail on mouse up |
| 705 | 1376 var dragStart = function (evt) { |
| 1015 | 1377 // cancel if not left-click |
| 1378 if (evt.which != 1) return; | |
| 813 | 1379 console.debug("dragstart at=", evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1380 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1381 if (isFullArea(data.zoomArea)) return false; |
| 1107 | 1382 $elem.find('.'+data.settings.cssPrefix+'overlay').hide(); // hide all overlays (marks/regions) |
| 733 | 1383 startPos = geom.position(evt); |
| 741 | 1384 delta = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1385 // set low res background immediately on mousedown |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1386 setPreviewBg(data); |
| 917 | 1387 $document.on("mousemove.dlZoomDrag", dragMove); |
| 1388 $document.on("mouseup.dlZoomDrag", dragEnd); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1389 return false; |
| 705 | 1390 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1391 |
| 733 | 1392 // mousemove handler: drag zoomed image |
| 705 | 1393 var dragMove = function (evt) { |
| 1394 var pos = geom.position(evt); | |
| 741 | 1395 delta = startPos.delta(pos); |
|
807
1b1728926534
geometry: overlapsRect() plus some comment clarifications
hertzhaft
parents:
799
diff
changeset
|
1396 // send message event with current zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1397 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
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diff
changeset
|
1398 za.addPosition(delta.neg()); |
| 947 | 1399 // transform back |
| 1400 var newArea = data.imgTrafo.invtransform(za); | |
| 1401 $data.trigger('changeZoomArea', newArea); | |
| 705 | 1402 return false; |
| 1403 }; | |
| 710 | 1404 |
| 733 | 1405 // mouseup handler: reload zoomed image in new position |
| 705 | 1406 var dragEnd = function (evt) { |
| 739 | 1407 $scaler.css('cursor', 'auto'); |
| 917 | 1408 $document.off("mousemove.dlZoomDrag", dragMove); |
| 1409 $document.off("mouseup.dlZoomDrag", dragEnd); | |
| 733 | 1410 if (delta == null || delta.distance() < 2) { |
| 1411 // no movement | |
| 1412 $img.css('visibility', 'visible'); | |
| 741 | 1413 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 944 | 1414 data.hasPreviewBg = false; |
| 993 | 1415 // unhide marks etc. |
| 1416 updateDisplay(data); | |
| 733 | 1417 return false; |
| 1418 } | |
| 1419 // get old zoom area (screen coordinates) | |
| 741 | 1420 var za = geom.rectangle($img); |
| 733 | 1421 // move |
| 741 | 1422 za.addPosition(delta.neg()); |
| 733 | 1423 // transform back |
| 1424 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1425 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1426 redisplay(data); |
| 705 | 1427 return false; |
| 1428 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1429 |
| 733 | 1430 // clear old handler |
| 917 | 1431 $document.off(".dlZoomDrag"); |
| 1432 $scaler.off(".dlZoomDrag"); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1433 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1434 // set handler |
| 917 | 1435 $scaler.on("mousedown.dlZoomDrag", dragStart); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1436 } |
| 705 | 1437 }; |
| 1438 | |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1439 /** set the zoom area. |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1440 * also triggers "changeZoomArea" event. |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1441 */ |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1442 var setZoomArea = function(data, za) { |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1443 $(data).trigger('changeZoomArea', za); |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1444 data.oldZoomArea = data.zoomArea; |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1445 data.zoomArea = za; |
|
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much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1446 }; |
| 1012 | 1447 |
|
1111
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1448 /** move the zoom area and center it on rectangle "rect" |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1449 */ |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1450 var centerZoomArea = function(data, rect) { |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1451 var za = data.zoomArea; |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1452 if (isFullArea(za)) return; |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1453 za.setCenter(rect.getCenter()).stayInside(FULL_AREA); |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1454 if (!za.containsRect(rect)) { |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1455 za = FULL_AREA.copy(); |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1456 } |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1457 setZoomArea(data, za); |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1458 }; |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1459 |
| 949 | 1460 /** get image quality as a number (0..2). |
| 1461 * | |
| 1462 */ | |
| 703 | 1463 var getQuality = function (data) { |
| 1464 var flags = data.scalerFlags; | |
| 1465 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1466 return parseInt(q[1], 10); | |
| 706 | 1467 }; |
| 703 | 1468 |
| 949 | 1469 /** set image quality as a number (0..2). |
| 1470 * | |
| 1471 */ | |
| 703 | 1472 var setQuality = function (data, qual) { |
| 1473 var flags = data.scalerFlags; | |
| 1474 // clear flags | |
| 1475 for (var i = 0; i < 3; ++i) { | |
| 1476 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1477 } |
| 703 | 1478 flags['q'+qual] = 'q'+qual; |
| 706 | 1479 }; |
| 710 | 1480 |
| 949 | 1481 /** get image scale mode (screen, pixel, size). |
| 1482 * | |
| 1483 */ | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1484 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1485 if (data.scalerFlags.clip != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1486 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1487 } else if (data.scalerFlags.osize != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1488 return 'size'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1489 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1490 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1491 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1492 }; |
| 775 | 1493 |
| 949 | 1494 /** set image scale mode (screen, pixel, size). |
| 1495 * | |
| 1496 */ | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1497 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1498 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1499 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1500 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1501 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1502 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1503 } else if (mode === 'size') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1504 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1505 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1506 // mo=fit is default |
| 972 | 1507 // save mode |
| 1508 data.scaleMode = mode; | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1509 }; |
| 775 | 1510 |
| 972 | 1511 /** get screen fit mode (width, height, both). |
| 1512 * | |
| 1513 */ | |
| 1514 var getFitMode = function (data) { | |
| 1015 | 1515 if (data.dlOpts.fitwidth != null) { |
| 1516 return "width"; | |
| 1517 } else if (data.dlOpts.fitheight != null) { | |
| 1518 return "height"; | |
| 1519 } | |
| 1520 // "both" is default | |
| 1521 return "both"; | |
| 972 | 1522 }; |
| 1012 | 1523 |
| 972 | 1524 /** |
| 1525 * set screen fit mode (width, height, both). | |
| 1526 */ | |
| 1527 var setFitMode = function (data, mode) { | |
| 984 | 1528 var settings = data.settings; |
| 1012 | 1529 var imgSize = data.maxImgSize; |
| 1015 | 1530 if (mode === 'width') { |
| 1531 data.dlOpts.fitwidth = 1; | |
| 1532 delete data.dlOpts.fitheight; | |
| 1533 if (imgSize != null) { | |
| 1534 // fitwidth omits destination height | |
| 1535 settings.dw = imgSize.width; | |
| 1536 settings.dh = null; | |
| 1537 } | |
| 1538 } else if (mode === 'height') { | |
| 1539 data.dlOpts.fitheight = 1; | |
| 1540 delete data.dlOpts.fitwidth; | |
| 984 | 1541 if (imgSize != null) { |
| 1542 // fitheight omits destination width | |
| 1543 settings.dw = null; | |
| 1544 settings.dh = imgSize.height; | |
| 1545 } | |
| 1015 | 1546 } else { |
| 1547 delete data.dlOpts.fitwidth; | |
| 1548 delete data.dlOpts.fitheight; | |
| 984 | 1549 if (imgSize != null) { |
| 1550 settings.dw = imgSize.width; | |
| 1551 settings.dh = imgSize.height; | |
| 1552 } | |
| 1015 | 1553 } |
| 972 | 1554 }; |
| 1015 | 1555 |
| 949 | 1556 /** sets a key to a value (relative values with +/- if relative=true). |
| 1557 * | |
| 1558 */ | |
| 650 | 1559 var setNumValue = function(settings, key, value) { |
| 716 | 1560 if (value == null) return null; |
|
955
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1561 if (isNumber(value)) { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1562 settings[key] = value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1563 return value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1564 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1565 var sign = value[0]; |
| 650 | 1566 if (sign === '+' || sign === '-') { |
| 1567 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1568 // this isn't perfect but still... |
| 650 | 1569 settings[key] = 0; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1570 } |
| 650 | 1571 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1572 } else { | |
| 1573 settings[key] = value; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
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|
1574 } |
| 650 | 1575 return settings[key]; |
| 1576 }; | |
| 655 | 1577 |
| 949 | 1578 /** return width of border on $elem. |
| 1579 * assumes equal border width on all sides. | |
| 1580 */ | |
| 775 | 1581 var getBorderWidth = function($elem) { |
| 1582 var border = $elem.outerWidth() - $elem.width(); | |
| 1583 return border/2; | |
| 1584 }; | |
| 1585 | |
| 949 | 1586 /** return if the current zoomarea can be moved further. |
| 1587 * | |
| 1588 */ | |
| 878 | 1589 var canMove = function(data, movx, movy) { |
|
1075
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1590 |
| 878 | 1591 var za = data.zoomArea; |
| 1592 if (isFullArea(za)) return false; | |
|
1075
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1593 var dx = movx; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1594 var dy = movy; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1595 // rotate and mirror change direction of cooordinate system |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1596 var trafo = data.imgTrafo; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
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|
1597 if (trafo != null) { |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1598 dx = (trafo.m00 > 0) ? movx : -movx; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1599 dy = (trafo.m11 > 0) ? movy : -movy; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1600 if (Math.abs(trafo.m00) < Math.abs(trafo.m01)) { |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1601 dx = (trafo.m01 > 0) ? -movy : movy; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1602 dy = (trafo.m10 > 0) ? -movx : movx; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1603 } |
|
1e4f4964e9c2
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diff
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|
1604 } |
| 878 | 1605 var x2 = za.x + za.width; |
| 1606 var y2 = za.y + za.height; | |
|
1075
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1607 return (((dx < 0) && (za.x > 0)) || ((dx > 0) && (x2 < 1.0)) || ((dy < 0) && (za.y > 0)) || ((dy > 0) && (y2 < 1.0))); |
| 878 | 1608 }; |
| 1609 | |
| 949 | 1610 /** return if area is maximal. |
| 1611 * | |
| 1612 */ | |
| 795 | 1613 var isFullArea = function (area) { |
| 659 | 1614 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1615 }; |
| 1616 | |
|
955
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1617 /** return if the argument is a number. |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1618 * from Douglas Crockford, A.10. |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1619 * this is different from $.isNumeric(). |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1620 */ |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
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parents:
954
diff
changeset
|
1621 var isNumber = function (value) { |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1622 return typeof value === 'number' && isFinite(value); |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1623 }; |
| 949 | 1624 /** return number with reduced precision. |
| 1625 * ("crop senseless precision") | |
| 1626 */ | |
| 631 | 1627 var cropFloat = function (x) { |
| 637 | 1628 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1629 }; |
| 655 | 1630 |
| 949 | 1631 /** return string from number with reduced precision. |
| 1632 */ | |
| 813 | 1633 var cropFloatStr = function (x) { |
| 1634 return cropFloat(x).toString(); | |
| 1635 }; | |
| 1636 | |
| 1100 | 1637 /** |
| 1638 * returns if str ends with suffix. | |
| 1639 */ | |
| 1640 var endsWith = function (str, suffix) { | |
| 1641 return str.indexOf(suffix, str.length - suffix.length) !== -1; | |
| 1642 }; | |
| 1107 | 1643 |
|
1047
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1644 /** center an item on the visible screen rect |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1645 */ |
| 1021 | 1646 var centerOnScreen = function (data, $div) { |
|
1058
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1647 if ($div == null) return; |
| 1021 | 1648 var r = geom.rectangle($div); |
| 1649 var s = fn.getFullscreenRect(data); | |
| 1650 r.setCenter(s.getCenter()); | |
| 1060 | 1651 r.getPosition().adjustDiv($div); |
| 1021 | 1652 }; |
| 1653 | |
|
1058
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1654 /** find an element in digilib $elem |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1655 */ |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1656 var find = function (data, selector) { |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1657 var $obj = data.$elem.find(selector); |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1658 return ($obj.length > 0) ? $obj : null; |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1659 }; |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1660 |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1661 /** does element exist in digilib? |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1662 */ |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1663 var isOnScreen = function (data, selector) { |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1664 var $obj = find(data, selector); |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1665 return ($obj != null); |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1666 }; |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1667 |
|
1047
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1668 /** fade out and remove an item |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1669 */ |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1670 var withdraw = function ($item) { |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1671 $item.fadeOut(function () { |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1672 $item.remove(); |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1673 }); |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1674 }; |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1675 |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1676 |
| 692 | 1677 // fallback for console.log calls |
| 1678 if (customConsole) { | |
| 1679 var logFunction = function(type) { | |
| 1680 return function(){ | |
| 996 | 1681 var $debug = $('#'+defaults.cssPrefix+'debug'); // debug div |
| 692 | 1682 if (!$debug) return; |
| 1683 var args = Array.prototype.slice.call(arguments); | |
| 1684 var argtext = args.join(' '); | |
| 1685 var $logDiv = $('<div/>'); | |
| 1686 $logDiv.addClass(type); | |
| 1687 $logDiv.text(argtext); | |
| 1688 $debug.append($logDiv); | |
| 1689 }; | |
| 1690 }; | |
| 1691 console.log = logFunction('_log'); | |
| 1692 console.debug = logFunction('_debug'); | |
| 1693 console.error = logFunction('_error'); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1694 } |
| 692 | 1695 |
| 949 | 1696 /** functions to export to plugins. |
| 1697 */ | |
| 787 | 1698 fn = { |
| 791 | 1699 geometry : geom, |
| 787 | 1700 parseQueryString : parseQueryString, |
| 1701 getScalerUrl : getScalerUrl, | |
| 1702 getParamString : getParamString, | |
| 1703 getDigilibUrl : getDigilibUrl, | |
| 1704 unpackParams : unpackParams, | |
| 1705 packParams : packParams, | |
| 822 | 1706 packArea : packArea, |
| 1707 packScalerFlags : packScalerFlags, | |
| 795 | 1708 storeOptions : storeOptions, |
| 787 | 1709 redisplay : redisplay, |
| 1710 updateDisplay : updateDisplay, | |
| 791 | 1711 showDiv : showDiv, |
| 1107 | 1712 defineArea : defineArea, |
| 983 | 1713 setZoomArea : setZoomArea, |
|
1111
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1714 centerZoomArea : centerZoomArea, |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1715 setPreviewBg : setPreviewBg, |
| 787 | 1716 getImgTrafo : getImgTrafo, |
| 1717 getQuality : getQuality, | |
| 1718 setQuality : setQuality, | |
| 1719 getScaleMode : getScaleMode, | |
| 1720 setScaleMode : setScaleMode, | |
| 972 | 1721 getFitMode : getFitMode, |
| 1722 setFitMode : setFitMode, | |
| 878 | 1723 canMove : canMove, |
| 795 | 1724 isFullArea : isFullArea, |
| 978 | 1725 isNumber : isNumber, |
| 974 | 1726 getFullscreenRect : getFullscreenRect, |
| 813 | 1727 getBorderWidth : getBorderWidth, |
| 1728 cropFloat : cropFloat, | |
| 1021 | 1729 cropFloatStr : cropFloatStr, |
| 1100 | 1730 endsWith : endsWith, |
|
1047
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1731 centerOnScreen : centerOnScreen, |
|
1058
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1732 withdraw : withdraw, |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1733 isOnScreen : isOnScreen, |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1734 find : find |
| 787 | 1735 }; |
| 788 | 1736 |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1737 // hook digilib plugin into jquery |
| 785 | 1738 $.fn.digilib = function (action) { |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1739 // plugin extension mechanism, called when the plugins' code is read |
| 786 | 1740 if (action === 'plugin') { |
| 1741 var plugin = arguments[1]; | |
| 1742 // each plugin needs a name | |
| 1743 if (plugin.name != null) { | |
| 1744 plugins[plugin.name] = plugin; | |
|
793
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1745 // share common objects |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1746 plugin.defaults = defaults; |
| 947 | 1747 plugin.buttons = buttons; |
|
793
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1748 plugin.actions = actions; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1749 plugin.fn = fn; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1750 plugin.plugins = plugins; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1751 // and install |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1752 if (typeof plugin.install === 'function') { |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1753 plugin.install(plugin); |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1754 } |
| 786 | 1755 } |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1756 // plugins will be initialised when action.init is called |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1757 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1758 // call action on this with the remaining arguments (inserting data as first argument) |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1759 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1760 var data = $elem.data('digilib'); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1761 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1762 args.unshift(data); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1763 return actions[action].apply(this, args); |
|
798
b07d1824ca2a
fullscreen mode works without reload on browsers supporting history.pushstate!
robcast
parents:
797
diff
changeset
|
1764 } else if (typeof action === 'object' || !action) { |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1765 // call init on the digilib jQuery object |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1766 return actions.init.apply(this, arguments); |
| 605 | 1767 } else { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1768 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1769 } |
| 605 | 1770 }; |
| 692 | 1771 |
|
991
497ab03868ab
moved marks to separate plugin. (pack and unpack is still in digilib.js)
robcast
parents:
990
diff
changeset
|
1772 })(jQuery); |