Mercurial > hg > digilib-old
annotate webapp/src/main/webapp/jquery/jquery.digilib.js @ 1118:f0474c1faaff
trying new annotator authentication.
| author | robcast |
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| date | Tue, 06 Nov 2012 18:24:39 +0100 |
| parents | 0a01d5cc66fe |
| children | 75e61bf276fe |
| 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 |
| 1107 | 41 'version' : 'jquery.digilib.js 2.1.9', |
| 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 // base URL to Scaler servlet (usually digilibBaseUrl+'/servlet/Scaler') |
| 652 | 49 'scalerBaseUrl' : null, |
| 995 | 50 // prefix of digilib classes in CSS styles |
| 51 'cssPrefix' : 'dl-', | |
| 610 | 52 // list of Scaler parameters |
| 627 | 53 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 1077 | 54 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy','colop'], |
| 627 | 55 // Scaler parameter defaults |
| 643 | 56 'pn' : 1, |
| 627 | 57 'ww' : 1.0, |
| 58 'wh' : 1.0, | |
| 59 'wx' : 0.0, | |
| 60 'wy' : 0.0, | |
| 61 'ws' : 1.0, | |
| 643 | 62 'mo' : '', |
| 63 'rot' : 0, | |
| 64 'cont' : 0, | |
| 65 'brgt' : 0, | |
| 66 'rgbm' : '0/0/0', | |
| 67 'rgba' : '0/0/0', | |
| 68 'ddpi' : null, | |
| 69 'ddpix' : null, | |
| 70 'ddpiy' : null, | |
| 1077 | 71 'colop' : null, |
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72 // list of digilib parameters |
| 1077 | 73 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','colop','mk','clop'], |
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74 // digilib parameter defaults |
| 643 | 75 'mk' : '', |
| 650 | 76 'clop' : '', |
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77 // list of additional parameters (for page outside of digilib) |
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78 'additionalParamNames' : [], |
| 914 | 79 // list of parameters to suppress when generating page URL |
| 80 'suppressParamNames' : null, | |
| 643 | 81 // mode of operation: |
| 82 // fullscreen = take parameters from page URL, keep state in page URL | |
| 83 // embedded = take parameters from Javascript options, keep state inside object | |
| 610 | 84 'interactionMode' : 'fullscreen', |
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85 // default size of preview image for drag-scroll (preferrably same as Bird's Eye View image) |
| 954 | 86 'previewImgWidth' : 200, |
| 87 'previewImgHeight' : 200, | |
| 88 // maximum width or height of preview background image for drag-scroll | |
| 778 | 89 'maxBgSize' : 10000, |
| 795 | 90 // parameters used by background image |
| 954 | 91 'previewImgParamNames' : ['fn','pn','dw','dh','mo','rot'], |
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92 // reserved space in full page display (default value accounts for body margins) |
| 990 | 93 'scalerInsets' : { 'x' : 26, 'y': 20 } |
| 610 | 94 }; |
| 655 | 95 |
| 786 | 96 // list of plugins |
| 97 var plugins = {}; | |
| 787 | 98 // object to export functions to plugins |
| 948 | 99 var fn = null; |
| 786 | 100 // affine geometry plugin stub |
| 948 | 101 var geom = null; |
| 944 | 102 // rectangle with maximum zoom area |
| 948 | 103 var FULL_AREA = null; |
| 944 | 104 // limit for float comparison |
| 947 | 105 var EPSILON = 0.0001; |
| 106 // list of buttons | |
| 107 var buttons = {}; | |
| 655 | 108 |
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109 var actions = { |
| 954 | 110 /** init: digilib initialization |
| 111 * | |
| 112 * @param options | |
| 113 * @returns | |
| 114 */ | |
| 668 | 115 init : function(options) { |
| 786 | 116 // import geometry classes |
| 117 if (plugins.geometry == null) { | |
| 118 $.error("jquery.digilib.geometry plugin not found!"); | |
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119 // last straw: old version |
| 785 | 120 geom = dlGeometry(); |
| 121 } else { | |
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122 // geometry plugin puts classes in the shared fn |
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123 geom = fn.geometry; |
| 785 | 124 } |
| 125 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 788 | 126 |
| 668 | 127 // settings for this digilib instance are merged from defaults and options |
| 128 var settings = $.extend({}, defaults, options); | |
| 129 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 130 var queryParams = {}; | |
| 131 if (isFullscreen) { | |
| 1015 | 132 queryParams = parseQueryParams(); |
| 133 // filter additional parameters | |
| 134 for (var p in queryParams) { | |
| 135 if ($.inArray(p, settings.digilibParamNames) < 0) { | |
| 136 settings.additionalParamNames.push(p); | |
| 137 } | |
| 138 } | |
| 668 | 139 } |
| 140 return this.each(function() { | |
| 141 var $elem = $(this); | |
| 142 var data = $elem.data('digilib'); | |
| 688 | 143 var params, elemSettings; |
| 668 | 144 // if the plugin hasn't been initialized yet |
| 145 if (!data) { | |
| 146 // merge query parameters | |
| 147 if (isFullscreen) { | |
| 688 | 148 params = queryParams; |
| 668 | 149 } else { |
| 688 | 150 params = parseImgParams($elem); |
| 785 | 151 if ($.cookie) { |
| 727 | 152 // retrieve params from cookie |
| 153 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 785 | 154 var cs = $.cookie(ck); |
| 727 | 155 console.debug("get cookie=", ck, " value=", cs); |
| 156 if (cs) { | |
| 157 var cp = parseQueryString(cs); | |
| 728 | 158 // ignore fn and pn from cookie TODO: should we keep pn? |
| 159 delete cp.fn; | |
| 160 delete cp.pn; | |
| 785 | 161 $.extend(params, cp); |
| 727 | 162 } |
| 163 } | |
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164 } |
| 856 | 165 // setup $elem.data, needs "deep copy" because of nesting |
| 849 | 166 elemSettings = $.extend(true, {}, settings, params); |
| 697 | 167 data = { |
| 856 | 168 // let $(this) know about $(this) :-) |
| 668 | 169 $elem : $elem, |
| 856 | 170 // let $elem have its own copy of settings |
| 668 | 171 settings : elemSettings, |
| 856 | 172 // and of the URL query parameters |
| 965 | 173 queryParams : params |
| 668 | 174 }; |
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175 // store in jQuery data element |
| 668 | 176 $elem.data('digilib', data); |
| 949 | 177 } else { |
| 1015 | 178 // data exists |
| 179 elemSettings = data.settings; | |
| 668 | 180 } |
| 181 unpackParams(data); | |
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182 // list of current insets (dynamic for buttons etc.) |
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183 data.currentInsets = {'static' : elemSettings.scalerInsets}; |
| 744 | 184 // check if browser knows *background-size |
| 741 | 185 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 186 if ($elem.css(bs+'background-size')) { | |
| 187 data.hasBgSize = true; | |
| 188 data.bgSizeName = bs+'background-size'; | |
| 189 break; | |
| 190 } | |
| 191 } | |
| 944 | 192 data.hasPreviewBg = false; |
| 942 | 193 // check if browser supports AJAX-like URL-replace without reload |
| 194 data.hasAsyncReload = (typeof history.replaceState === 'function'); | |
| 993 | 195 // check if browser sets complete on cached images |
| 196 data.hasCachedComplete = ! $.browser.mozilla; | |
| 744 | 197 // check digilib base URL |
| 198 if (elemSettings.digilibBaseUrl == null) { | |
| 199 if (isFullscreen) { | |
| 200 // take current host | |
| 201 var url = window.location.toString(); | |
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202 // assume the page lives in [webapp]/jquery/ |
| 915 | 203 var pos = url.indexOf('/jquery/'); |
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204 if (pos > 0) { |
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205 elemSettings.digilibBaseUrl = url.substring(0, pos); |
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206 } |
| 744 | 207 } else { |
| 1015 | 208 // may be we got the scaler URL from the img |
| 744 | 209 var url = elemSettings.scalerBaseUrl; |
| 210 if (url) { | |
| 211 // build it from scaler URL | |
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212 var pos = url.indexOf('/servlet/Scaler'); |
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213 elemSettings.digilibBaseUrl = url.substring(0, pos); |
| 744 | 214 } |
| 215 } | |
| 216 } | |
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217 // check scaler base URL |
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218 if (elemSettings.scalerBaseUrl == null) { |
| 1015 | 219 if (elemSettings.digilibBaseUrl) { |
| 220 elemSettings.scalerBaseUrl = elemSettings.digilibBaseUrl + '/servlet/Scaler'; | |
| 221 } | |
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222 } |
| 947 | 223 // set up event handlers |
| 224 $(data).on('update', handleUpdate); // handleUpdate needs to be the first handler for update | |
| 225 $(data).on('changeZoomArea', handleChangeZoomArea); | |
| 786 | 226 // initialise plugins |
| 787 | 227 for (n in plugins) { |
| 228 var p = plugins[n]; | |
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229 if (typeof p.init === 'function') { |
| 1015 | 230 // call the plugins init() method |
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231 p.init(data); |
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232 } |
| 786 | 233 } |
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234 // trigger unpack params handlers |
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235 $(data).trigger('unpack'); |
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236 // get image info from server if needed |
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237 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 797 | 238 loadImageInfo(data); // triggers "imageInfo" on completion |
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239 } |
| 947 | 240 // create HTML structure for scaler |
| 779 | 241 setupScalerDiv(data); |
| 795 | 242 // send setup event |
| 243 $(data).trigger('setup'); | |
| 668 | 244 }); |
| 245 }, | |
| 246 | |
| 954 | 247 /** destroy: clean up digilib |
| 248 * | |
| 249 * @param data | |
| 250 * @returns | |
| 251 */ | |
| 668 | 252 destroy : function(data) { |
| 253 return this.each(function(){ | |
| 254 var $elem = $(this); | |
| 917 | 255 $(window).off('.digilib'); // unbind all digilibs(?) |
| 668 | 256 data.digilib.remove(); |
| 257 $elem.removeData('digilib'); | |
| 258 }); | |
| 259 }, | |
| 260 | |
| 1052 | 261 /** show the 'about' window |
| 954 | 262 * |
| 263 * @param data | |
| 264 */ | |
| 1052 | 265 about : function(data) { |
| 266 //FIXME: highlightButtons(data, 'about', on); | |
| 267 var $elem = data.$elem; | |
| 268 var settings = data.settings; | |
| 269 var cssPrefix = settings.cssPrefix; | |
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270 var aboutSelector = '#'+cssPrefix+'about'; |
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271 if (isOnScreen(data, aboutSelector)) return; |
| 1052 | 272 // make relative logoUrl absolute |
| 273 var logoUrl = settings.logoUrl; | |
| 274 if (logoUrl.charAt(0) !== '/' && logoUrl.substring(0,3) !== 'http') { | |
| 275 logoUrl = settings.digilibBaseUrl + '/' + logoUrl; | |
| 276 } | |
| 277 var html = '\ | |
| 278 <div id="'+cssPrefix+'about" class="'+cssPrefix+'about" style="display:none">\ | |
| 279 <p>Digilib Image Viewer</p>\ | |
| 280 <a href="'+settings.homeUrl+'">\ | |
| 281 <img class="'+settings.cssPrefix+'logo" title="Digilib" src="'+logoUrl+'"/>\ | |
| 282 </a>\ | |
| 283 <p>Version: '+settings.version+'</p>\ | |
| 284 </div>'; | |
| 285 $about = $(html); | |
| 286 $about.appendTo($elem); | |
| 287 $about.on('click.digilib', function () { | |
| 288 withdraw($about); | |
| 289 }); | |
| 290 $about.fadeIn(); | |
| 291 centerOnScreen(data, $about); | |
| 668 | 292 }, |
| 655 | 293 |
| 954 | 294 /** goto given page nr (+/-: relative) |
| 295 * | |
| 296 * @param data | |
| 297 * @param pageNr | |
| 298 * @returns {Boolean} | |
| 299 */ | |
| 668 | 300 gotoPage : function (data, pageNr) { |
| 301 var settings = data.settings; | |
| 302 var oldpn = settings.pn; | |
| 716 | 303 if (pageNr == null) { |
| 304 pageNr = window.prompt("Goto page number", oldpn); | |
| 305 } | |
| 668 | 306 var pn = setNumValue(settings, "pn", pageNr); |
| 307 if (pn == null) return false; // nothing happened | |
| 308 if (pn < 1) { | |
| 309 alert("no such page (page number too low)"); | |
| 310 settings.pn = oldpn; | |
| 311 return false; | |
| 312 } | |
| 767 | 313 // TODO: how do we get pt? |
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314 if (settings.pt != null) { |
| 668 | 315 if (pn > settings.pt) { |
| 316 alert("no such page (page number too high)"); | |
| 623 | 317 settings.pn = oldpn; |
| 318 return false; | |
| 634 | 319 } |
| 668 | 320 } |
| 321 // reset mk and others(?) | |
| 322 data.marks = []; | |
| 927 | 323 data.zoomArea = FULL_AREA.copy(); |
| 668 | 324 // then reload |
| 325 redisplay(data); | |
| 326 }, | |
| 654 | 327 |
| 954 | 328 /** zoom by a given factor |
| 329 * | |
| 330 * @param data | |
| 331 * @param factor | |
| 332 */ | |
| 668 | 333 zoomBy : function (data, factor) { |
| 334 zoomBy(data, factor); | |
| 335 }, | |
| 647 | 336 |
| 954 | 337 /** zoom to area (or interactive) |
| 338 * | |
| 339 * @param data | |
| 340 * @param area | |
| 341 */ | |
| 767 | 342 zoomArea : function (data, area) { |
| 343 if (area == null) { | |
| 344 // interactively | |
| 1107 | 345 var onComplete = function(data, rect) { |
| 346 if (rect == null) return; | |
| 347 setZoomArea(data, rect); | |
| 348 // reset modes | |
| 349 setFitMode(data, 'both'); | |
| 350 setScaleMode(data, 'screen'); | |
| 351 redisplay(data); | |
| 352 }; | |
| 353 defineArea(data, onComplete); | |
| 767 | 354 } else { |
| 355 data.zoomArea = geom.rectangle(area); | |
| 356 redisplay(data); | |
| 357 } | |
| 668 | 358 }, |
| 650 | 359 |
| 954 | 360 /** zoom out to full page |
| 361 * | |
| 362 * @param data | |
| 363 * @param mode | |
| 364 */ | |
| 668 | 365 zoomFull : function (data, mode) { |
| 1031 | 366 var settings = data.settings; |
| 917 | 367 data.zoomArea = FULL_AREA.copy(); |
| 972 | 368 setFitMode(data, mode); |
| 369 // zoom full only works in screen mode | |
| 370 setScaleMode(data, 'screen'); | |
| 668 | 371 redisplay(data); |
| 372 }, | |
| 373 | |
| 954 | 374 /** mirror the image |
| 375 * | |
| 376 * @param data | |
| 377 * @param mode | |
| 378 */ | |
| 668 | 379 mirror : function (data, mode) { |
| 380 var flags = data.scalerFlags; | |
| 381 if (mode === 'h') { | |
| 382 if (flags.hmir) { | |
| 383 delete flags.hmir; | |
| 384 } else { | |
| 385 flags.hmir = 1; | |
| 386 } | |
| 387 } else { | |
| 388 if (flags.vmir) { | |
| 389 delete flags.vmir; | |
| 390 } else { | |
| 391 flags.vmir = 1; | |
| 392 } | |
| 393 } | |
| 394 redisplay(data); | |
| 395 }, | |
| 650 | 396 |
| 954 | 397 /** rotate the image |
| 398 * | |
| 399 * @param data | |
| 400 * @param angle | |
| 401 */ | |
| 668 | 402 rotate : function (data, angle) { |
| 403 var rot = data.settings.rot; | |
| 404 if (angle == null) { | |
| 405 angle = window.prompt("Rotation angle:", rot); | |
| 406 } | |
| 407 data.settings.rot = angle; | |
| 408 redisplay(data); | |
| 409 }, | |
| 410 | |
| 954 | 411 /** change brightness |
| 412 * | |
| 413 * @param data | |
| 414 * @param factor | |
| 415 */ | |
| 668 | 416 brightness : function (data, factor) { |
| 417 var brgt = data.settings.brgt; | |
| 418 if (factor == null) { | |
| 419 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 420 } | |
| 421 data.settings.brgt = factor; | |
| 422 redisplay(data); | |
| 423 }, | |
| 424 | |
| 954 | 425 /** change contrast |
| 426 * | |
| 427 * @param data | |
| 428 * @param factor | |
|
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429 * @param brightness : if given, adjust brightness along with contrast |
| 954 | 430 */ |
|
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431 contrast : function (data, factor, brightness) { |
| 668 | 432 var cont = data.settings.cont; |
| 433 if (factor == null) { | |
| 434 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 435 } | |
| 436 data.settings.cont = factor; | |
|
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437 if (brightness) { |
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438 var brgt = 127 - (127 * Math.pow(2, factor)); |
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439 data.settings.brgt = brgt; |
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440 } |
| 668 | 441 redisplay(data); |
| 688 | 442 }, |
| 710 | 443 |
|
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444 /** change rgb contrast and brightness |
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445 * |
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446 * @param data |
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447 * @param rgbm |
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448 * @param rgba |
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449 */ |
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450 setRGB : function (data, rgbm, rgba) { |
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451 var oldRgbm = data.settings.rgbm; |
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452 var oldRgba = data.settings.rgba; |
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453 if (rgbm == null && rgba == null) { |
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454 var rgb = window.prompt("RGBm, RGBa (m_r/m_g/m_b, a_r/a_g/a_b)", oldRgbm+', '+oldRgba); |
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455 if (rgb != null) { |
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456 rgbs = rgb.split(/,\s*/); |
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457 if (rgbs.length == 2) { |
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458 data.settings.rgbm = rgbs[0]; |
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459 data.settings.rgba = rgbs[1]; |
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460 redisplay(data); |
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461 } |
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462 } |
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463 } else { |
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464 if (rgbm != null) data.settings.rgbm = rgbm; |
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465 if (rgba != null) data.settings.rgba = rgba; |
| 1052 | 466 redisplay(data); |
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467 } |
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468 }, |
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469 |
| 954 | 470 /** reset image parameters to defaults |
| 471 * TODO: improve this! | |
| 472 * | |
| 473 * @param data | |
| 474 */ | |
| 688 | 475 reset : function (data) { |
| 476 var settings = data.settings; | |
| 477 var paramNames = settings.digilibParamNames; | |
| 478 var params = data.queryParams; | |
| 479 // delete all digilib parameters | |
| 480 for (var i = 0; i < paramNames.length; i++) { | |
| 481 var paramName = paramNames[i]; | |
| 482 delete settings[paramName]; | |
|
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483 } |
|
735
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484 settings.fn = params.fn || ''; // no default defined |
|
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485 settings.pn = params.pn || defaults.pn; |
| 986 | 486 var size = getFullscreenImgSize(data); |
| 487 settings.dw = params.dw || size.width; | |
| 488 settings.dh = params.dh || size.height; | |
| 946 | 489 settings.visibleButtonSets = 1; // FIXME |
|
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490 // resets zoomArea, marks, scalerflags |
| 917 | 491 data.zoomArea = FULL_AREA.copy(); |
|
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492 data.marks = []; |
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493 data.scalerFlags = {}; |
| 712 | 494 delete data.dlOpts.fitwidth; |
| 495 delete data.dlOpts.fitheight; | |
| 986 | 496 data.scaleMode = 'screen'; |
| 688 | 497 redisplay(data); |
| 689 | 498 }, |
| 499 | |
| 954 | 500 /** presents a reference url (returns value if noprompt) |
| 501 * | |
| 502 * @param data | |
| 503 * @param noprompt | |
| 504 * @returns | |
| 505 */ | |
| 703 | 506 reference : function (data, noprompt) { |
| 744 | 507 var url = getDigilibUrl(data); |
| 703 | 508 if (noprompt == null) { |
| 509 window.prompt("URL reference to the current view", url); | |
| 1011 | 510 // return nothing so we can use is in javascript: url without reload |
| 511 return; | |
| 703 | 512 } |
| 513 return url; | |
| 514 }, | |
| 710 | 515 |
| 1011 | 516 /** |
| 517 * Returns URL to the full digilib.html with the current parameters. | |
| 518 * Redirects immediately with mode=open. | |
| 519 * | |
| 520 * @param data | |
| 521 * @param mode | |
| 522 */ | |
| 523 digilibUrl : function (data, mode) { | |
| 524 var url = getDigilibUrl(data, '/jquery/digilib.html'); | |
| 525 if (mode === 'open') { | |
| 526 // redirect | |
| 527 window.location = url; | |
| 528 } else if (mode === 'open_new') { | |
| 529 // open new window | |
| 530 window.open(url); | |
| 531 return; | |
| 532 } | |
| 533 return url; | |
| 534 }, | |
| 535 | |
| 536 | |
| 954 | 537 /** set image quality |
| 538 * | |
| 539 * @param data | |
| 540 * @param qual | |
| 541 */ | |
| 748 | 542 setQuality : function (data, qual) { |
| 703 | 543 var oldq = getQuality(data); |
| 544 if (qual == null) { | |
| 545 qual = window.prompt("Image quality (0..2)", oldq); | |
| 546 } | |
| 547 qual = parseInt(qual, 10); | |
| 548 if (qual >= 0 && qual <= 2) { | |
| 549 setQuality(data, qual); | |
| 550 redisplay(data); | |
| 551 } | |
|
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552 }, |
|
760
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553 |
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554 /** set image size |
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555 * |
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556 * @param data |
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557 * @param size |
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558 */ |
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559 setSize : function (data, size) { |
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560 var olds = data.settings.ws; |
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561 if (size == null) { |
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562 size = window.prompt("Image size (1=screen size)", olds); |
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563 } |
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564 size = parseFloat(size); |
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565 if (size > 0) { |
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566 data.settings.ws = size; |
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567 redisplay(data); |
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568 } |
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569 }, |
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570 |
|
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571 /** calibrate (set client screen dpi) |
| 954 | 572 * |
| 573 * @param data | |
| 574 * @param res | |
| 575 */ | |
|
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576 calibrate : function (data, res) { |
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577 var oldRes = data.settings.ddpi; |
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578 if (res == null) { |
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579 res = window.prompt("Display resolution (dpi)", oldRes); |
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580 } |
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581 if (res != null) { |
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582 data.settings.ddpi = res; |
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583 redisplay(data); |
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584 } |
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585 }, |
| 775 | 586 |
| 954 | 587 /** set image scale mode |
| 588 * | |
| 589 * @param data | |
| 590 * @param mode | |
| 591 */ | |
|
761
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592 setScaleMode : function (data, mode) { |
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593 var oldM = getScaleMode(data); |
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594 if (mode == null) { |
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595 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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596 } |
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597 if (mode != null) { |
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598 setScaleMode(data, mode); |
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599 redisplay(data); |
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600 } |
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601 } |
|
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|
602 // end of actions |
| 605 | 603 }; |
| 604 | 604 |
| 954 | 605 /** return parameters from page url |
| 606 * | |
| 607 */ | |
| 607 | 608 var parseQueryParams = function() { |
| 636 | 609 return parseQueryString(window.location.search.slice(1)); |
| 610 }; | |
| 655 | 611 |
| 984 | 612 /** |
| 613 * returns parameters from embedded img-element | |
| 954 | 614 * |
| 615 */ | |
| 607 | 616 var parseImgParams = function($elem) { |
|
613
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617 var src = $elem.find('img').first().attr('src'); |
| 710 | 618 if (!src) return null; |
| 607 | 619 var pos = src.indexOf('?'); |
| 620 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 621 var scalerUrl = src.substring(0, pos); | |
| 627 | 622 var params = parseQueryString(query); |
| 623 params.scalerBaseUrl = scalerUrl; | |
| 624 return params; | |
| 636 | 625 }; |
| 607 | 626 |
| 984 | 627 /** |
| 628 * parses query parameter string into parameter object | |
| 954 | 629 * |
| 630 */ | |
| 607 | 631 var parseQueryString = function(query) { |
| 701 | 632 var params = {}; |
| 633 if (query == null) return params; | |
| 607 | 634 var pairs = query.split("&"); |
| 636 | 635 //var keys = []; |
| 607 | 636 for (var i = 0; i < pairs.length; i++) { |
| 637 var pair = pairs[i].split("="); | |
| 638 if (pair.length === 2) { | |
| 627 | 639 params[pair[0]] = pair[1]; |
| 636 | 640 //keys.push(pair[0]); |
| 634 | 641 } |
| 636 | 642 } |
| 627 | 643 return params; |
| 636 | 644 }; |
| 668 | 645 |
| 984 | 646 /** |
| 647 * return a query string from key names from a parameter hash | |
| 954 | 648 * (ignores keys if the same value is in defaults) |
| 649 * | |
| 650 */ | |
| 643 | 651 var getParamString = function (settings, keys, defaults) { |
| 615 | 652 var paramString = ''; |
| 650 | 653 var nx = false; |
|
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654 for (var i = 0; i < keys.length; ++i) { |
| 615 | 655 var key = keys[i]; |
| 663 | 656 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 657 // first param gets no '&' |
| 650 | 658 if (nx) { |
| 659 paramString += '&'; | |
| 660 } else { | |
| 661 nx = true; | |
| 662 } | |
| 615 | 663 // add parm=val |
| 664 paramString += key + '=' + settings[key]; | |
| 643 | 665 } |
| 615 | 666 } |
| 667 return paramString; | |
| 631 | 668 }; |
| 669 | |
| 984 | 670 /** |
| 671 * returns URL and query string for Scaler | |
| 954 | 672 */ |
| 636 | 673 var getScalerUrl = function (data) { |
| 741 | 674 packParams(data); |
| 653 | 675 var settings = data.settings; |
| 652 | 676 if (settings.scalerBaseUrl == null) { |
| 677 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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|
678 } |
| 636 | 679 var keys = settings.scalerParamNames; |
| 643 | 680 var queryString = getParamString(settings, keys, defaults); |
| 636 | 681 var url = settings.scalerBaseUrl + '?' + queryString; |
| 682 return url; | |
| 683 }; | |
| 684 | |
| 954 | 685 /** returns URL for preview background image |
| 686 * | |
| 687 */ | |
| 688 var getPreviewImgUrl = function (data, moreParams) { | |
| 741 | 689 var settings = data.settings; |
| 795 | 690 var bgOptions = { |
| 954 | 691 dw : settings.previewImgWidth, |
| 692 dh : settings.previewImgHeight | |
| 741 | 693 }; |
| 795 | 694 var bgSettings = $.extend({}, settings, bgOptions); |
| 931 | 695 // filter scaler flags (use only hmir and vmir) |
| 795 | 696 if (bgSettings.mo != null) { |
| 697 var mo = ''; | |
| 698 if (data.scalerFlags.hmir != null) { | |
| 699 mo += 'hmir,'; | |
| 767 | 700 } |
| 795 | 701 if (data.scalerFlags.vmir != null) { |
| 702 mo += 'vmir'; | |
| 703 } | |
| 704 bgSettings.mo = mo; | |
| 743 | 705 } |
| 954 | 706 var params = getParamString(bgSettings, settings.previewImgParamNames, defaults); |
| 743 | 707 var url = settings.scalerBaseUrl + '?' + params; |
| 741 | 708 return url; |
| 709 }; | |
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710 |
| 1011 | 711 /** |
| 712 * returns URL and query string for current digilib. | |
| 713 * if digilibPage != null returns URL to page in digilib installation with digilib parameters, | |
| 714 * otherwise using current URL and parameters. | |
| 954 | 715 * |
| 716 */ | |
| 1011 | 717 var getDigilibUrl = function (data, digilibPage) { |
| 643 | 718 packParams(data); |
| 636 | 719 var settings = data.settings; |
| 1011 | 720 var paramList = settings.digilibParamNames; |
| 721 if (digilibPage != null) { | |
| 722 var baseUrl = data.settings.digilibBaseUrl + digilibPage; | |
| 723 } else { | |
| 724 paramList = settings.additionalParamNames.concat(settings.digilibParamNames); | |
| 725 if (settings.suppressParamNames != null) { | |
| 726 // eliminate suppressed parameters from list | |
| 727 paramList = $.map(paramList, function(e, idx) { | |
| 728 if ($.inArray(e, settings.suppressParamNames) >= 0) { | |
| 729 return null; | |
| 730 } else { | |
| 731 return e; | |
| 732 } | |
| 733 }); | |
| 734 } | |
| 735 // take url from current location | |
| 736 var baseUrl = window.location.href; | |
| 737 var pos = baseUrl.indexOf('?'); | |
| 738 if (pos > -1) { | |
| 739 baseUrl = baseUrl.substring(0, pos); | |
| 740 } | |
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741 } |
| 1007 | 742 var queryString = getParamString(settings, paramList, defaults); |
| 1011 | 743 return baseUrl + '?' + queryString; |
| 636 | 744 }; |
| 745 | |
| 954 | 746 /** loads image information from digilib server via HTTP |
| 747 * | |
| 748 */ | |
| 797 | 749 var loadImageInfo = function (data) { |
|
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750 var settings = data.settings; |
| 917 | 751 // bind default function (only once) |
| 752 $(data).off('imageInfo', handleImageInfo); | |
| 753 $(data).on('imageInfo', handleImageInfo); | |
| 754 var url = settings.digilibBaseUrl + '/ImgInfo-json.jsp'; | |
|
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755 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 767 | 756 // TODO: better error handling |
| 785 | 757 $.getJSON(url, function (json) { |
|
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758 console.debug("got json data=", json); |
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759 data.imgInfo = json; |
| 797 | 760 // send event |
| 761 $(data).trigger('imageInfo', [json]); | |
|
754
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762 }); |
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763 }; |
| 775 | 764 |
| 954 | 765 /** processes some parameters into objects and stuff |
| 766 * | |
| 767 */ | |
| 631 | 768 var unpackParams = function (data) { |
| 769 var settings = data.settings; | |
| 636 | 770 // zoom area |
| 631 | 771 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 772 data.zoomArea = zoomArea; |
| 650 | 773 // mo (Scaler flags) |
| 774 var flags = {}; | |
| 775 if (settings.mo) { | |
| 776 var pa = settings.mo.split(","); | |
| 777 for (var i = 0; i < pa.length ; i++) { | |
| 778 flags[pa[i]] = pa[i]; | |
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779 } |
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780 } |
| 650 | 781 data.scalerFlags = flags; |
|
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782 data.scaleMode = getScaleMode(data); |
| 723 | 783 retrieveOptions(data); |
| 655 | 784 }; |
| 785 | |
| 954 | 786 /** put area into parameters |
| 787 * | |
| 788 */ | |
| 822 | 789 var packArea = function (settings, area) { |
| 790 if (!area) return; | |
| 791 // zoom area | |
| 792 settings.wx = cropFloat(area.x); | |
| 793 settings.wy = cropFloat(area.y); | |
| 794 settings.ww = cropFloat(area.width); | |
| 795 settings.wh = cropFloat(area.height); | |
| 796 }; | |
| 797 | |
| 954 | 798 /** pack scaler flags into parameters |
| 799 * | |
| 800 */ | |
| 822 | 801 var packScalerFlags = function (settings, flags) { |
| 802 if (!flags) return; | |
| 803 var mo = ''; | |
| 804 for (var f in flags) { | |
| 805 if (mo) { | |
| 806 mo += ','; | |
| 807 } | |
| 808 mo += f; | |
| 809 } | |
| 810 settings.mo = mo; | |
| 811 }; | |
| 812 | |
| 954 | 813 /** put objects back into parameters |
| 814 * | |
| 815 */ | |
| 631 | 816 var packParams = function (data) { |
| 817 var settings = data.settings; | |
| 822 | 818 packArea(settings, data.zoomArea); |
| 819 packScalerFlags(settings, data.scalerFlags); | |
| 820 // store user interface options in cookie | |
| 723 | 821 storeOptions(data); |
|
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822 // trigger pack handlers |
|
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823 $(data).trigger('pack'); |
| 709 | 824 }; |
| 688 | 825 |
| 954 | 826 /** store digilib options in a cookie |
| 827 * | |
| 828 */ | |
| 723 | 829 var storeOptions = function (data) { |
| 709 | 830 var settings = data.settings; |
| 831 if (data.dlOpts) { | |
| 832 // save digilib settings in options | |
| 833 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 834 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 835 var clop = ''; | |
| 836 for (var o in data.dlOpts) { | |
| 837 if (clop) { | |
| 838 clop += '&'; | |
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839 } |
| 709 | 840 clop += o + '=' + data.dlOpts[o]; |
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|
841 } |
| 785 | 842 if ($.cookie) { |
| 709 | 843 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 844 console.debug("set cookie=", ck, " value=", clop); | |
| 785 | 845 $.cookie(ck, clop); |
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846 } |
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847 } |
| 785 | 848 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 727 | 849 // store normal parameters in cookie for embedded mode |
| 850 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 851 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 852 console.debug("set cookie=", ck, " value=", qs); | |
| 785 | 853 $.cookie(ck, qs); |
| 727 | 854 } |
| 631 | 855 }; |
| 655 | 856 |
| 983 | 857 /** retrieve digilib options from a cookie |
| 954 | 858 * |
| 859 */ | |
| 723 | 860 var retrieveOptions = function (data) { |
| 709 | 861 // clop (digilib options) |
| 862 var opts = {}; | |
| 863 var settings = data.settings; | |
| 785 | 864 if ($.cookie) { |
| 709 | 865 // read from cookie |
| 866 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 785 | 867 var cp = $.cookie(ck); |
| 709 | 868 console.debug("get cookie=", ck, " value=", cp); |
| 869 // in query string format | |
| 870 opts = parseQueryString(cp); | |
|
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871 } |
| 709 | 872 data.dlOpts = opts; |
| 873 // birdview option | |
| 874 if (opts.birdview != null) { | |
| 875 settings.isBirdDivVisible = opts.birdview === '1'; | |
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876 } |
| 709 | 877 // visible button sets |
| 878 if (opts.buttons != null) { | |
| 879 settings.visibleButtonSets = opts.buttons; | |
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880 } |
| 711 | 881 }; |
| 709 | 882 |
| 949 | 883 /** (re)load the image with the current settings. |
| 884 * | |
| 885 */ | |
|
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886 var redisplay = function (data) { |
| 1031 | 887 var settings = data.settings; |
| 888 if (settings.autoBirdDiv) { | |
| 889 settings.isBirdDivVisible = !isFullArea(data.zoomArea); | |
| 890 } | |
| 636 | 891 if (settings.interactionMode === 'fullscreen') { |
| 892 // update location.href (browser URL) in fullscreen mode | |
|
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893 var url = getDigilibUrl(data); |
| 636 | 894 var history = window.history; |
| 942 | 895 if (data.hasAsyncReload) { |
|
798
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896 console.debug("faking reload to "+url); |
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|
897 // change url without reloading (stateObj, title, url) |
|
890
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898 // TODO: we really need to push the state in stateObj and listen to pop-events |
|
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|
899 try { |
| 1015 | 900 history.replaceState({}, '', url); |
| 901 // show busy cursor | |
| 902 $('body').css('cursor', 'progress'); | |
| 903 data.$scaler.css('cursor', 'progress'); | |
| 904 // change img src | |
| 905 var $img = data.$img; | |
| 906 var imgurl = getScalerUrl(data); | |
| 907 $img.attr('src', imgurl); | |
| 908 // trigger load event if image is cached. Doesn't work with Firefox!! | |
| 909 if (data.hasCachedComplete && $img.prop('complete')) { | |
| 910 console.debug("cached img.load"); | |
| 911 $img.trigger('load'); | |
| 912 } | |
| 913 if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { | |
| 914 // we need image info, do we have it? | |
| 915 if (data.imgInfo == null) { | |
| 916 loadImageInfo(data); | |
| 917 } | |
| 918 } | |
| 919 // update if we have a preview | |
| 920 if (data.hasPreviewBg) { | |
| 921 $(data).trigger('update'); | |
| 922 } | |
| 923 //FIXME: highlightButtons(data); | |
| 924 // send event | |
| 925 $(data).trigger('redisplay'); | |
|
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926 } catch (e) { |
| 1015 | 927 console.error("replaceState("+url+") didn't work: "+e); |
|
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928 // reload window |
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929 window.location = url; |
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930 } |
|
798
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931 } else { |
|
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932 // reload window |
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933 window.location = url; |
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|
934 } |
| 636 | 935 } else { |
| 936 // embedded mode -- just change img src | |
| 1015 | 937 // show busy cursor |
| 938 $('body').css('cursor', 'progress'); | |
| 939 data.$scaler.css('cursor', 'progress'); | |
| 940 var $img = data.$img; | |
| 636 | 941 var url = getScalerUrl(data); |
| 949 | 942 $img.attr('src', url); |
| 1015 | 943 // trigger load event if image is cached |
| 944 if ($img.prop('complete')) $img.trigger('load'); | |
| 945 if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { | |
| 946 // we need image info, do we have it? | |
| 947 if (data.imgInfo == null) { | |
| 948 loadImageInfo(data); | |
| 949 } | |
| 950 } | |
| 949 | 951 //FIXME: highlightButtons(data); |
| 795 | 952 // send event |
| 953 $(data).trigger('redisplay'); | |
|
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|
954 } |
| 622 | 955 }; |
| 956 | |
| 949 | 957 /** update display (overlays etc.) |
| 958 * (just triggers "update" event) | |
| 959 */ | |
| 767 | 960 var updateDisplay = function (data) { |
| 947 | 961 // send event |
| 962 $(data).trigger('update'); | |
| 963 }; | |
| 964 | |
| 949 | 965 /** handle "update" display event. |
|
991
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|
966 * updates image transform, etc. |
| 949 | 967 */ |
| 947 | 968 var handleUpdate = function (evt) { |
| 1015 | 969 var data = this; |
| 767 | 970 updateImgTrafo(data); |
| 971 setupZoomDrag(data); | |
| 972 }; | |
| 974 | 973 |
| 984 | 974 /** |
| 975 * returns maximum size for scaler img in fullscreen mode. | |
| 949 | 976 */ |
| 778 | 977 var getFullscreenImgSize = function (data) { |
|
989
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|
978 //var mode = data.settings.interactionMode; |
| 662 | 979 var $win = $(window); |
| 980 var winH = $win.height(); | |
| 779 | 981 var winW = $win.width(); |
|
989
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|
982 // add all current insets |
|
991
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|
983 // accounting for left/right border, body margins and additional requirements |
|
989
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984 var insets = { 'x' : 0, 'y' : 0}; |
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985 for (var n in data.currentInsets) { |
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986 insets.x += data.currentInsets[n].x; |
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987 insets.y += data.currentInsets[n].y; |
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988 }; |
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989 var imgW = winW - insets.x; |
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990 var imgH = winH - insets.y; |
| 998 | 991 console.debug('getFullscreenImgSize - screen w/h:', winW, winH, 'window.width', $win.width(), 'img w/h:', imgW, imgH); |
|
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992 return geom.size(imgW, imgH); |
| 662 | 993 }; |
| 994 | |
| 984 | 995 /** |
| 996 * returns a rectangle.with the fullscreen dimensions | |
| 974 | 997 */ |
| 998 var getFullscreenRect = function (data) { | |
| 999 return geom.rectangle(getFullscreenImgSize(data)); | |
| 1000 }; | |
| 1001 | |
| 984 | 1002 /** |
| 1003 * creates HTML structure for digilib in elem | |
| 949 | 1004 */ |
| 627 | 1005 var setupScalerDiv = function (data) { |
| 1006 var settings = data.settings; | |
| 647 | 1007 var $elem = data.$elem; |
| 996 | 1008 var cssPrefix = settings.cssPrefix; |
| 1009 $elem.addClass(cssPrefix+'digilib'); | |
| 728 | 1010 var $img; |
| 1011 var scalerUrl; | |
| 608 | 1012 if (settings.interactionMode === 'fullscreen') { |
| 728 | 1013 // fullscreen |
| 995 | 1014 $elem.addClass(cssPrefix+'fullscreen'); |
| 778 | 1015 var imgSize = getFullscreenImgSize(data); |
| 1012 | 1016 data.maxImgSize = imgSize; |
| 650 | 1017 // fitwidth/height omits destination height/width |
| 728 | 1018 if (data.dlOpts.fitheight == null) { |
| 650 | 1019 settings.dw = imgSize.width; |
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1020 } |
| 728 | 1021 if (data.dlOpts.fitwidth == null) { |
| 650 | 1022 settings.dh = imgSize.height; |
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1023 } |
| 686 | 1024 scalerUrl = getScalerUrl(data); |
| 728 | 1025 $img = $('<img/>'); |
| 609 | 1026 } else { |
| 728 | 1027 // embedded mode -- try to keep img tag |
| 1015 | 1028 data.maxImgSize = geom.rectangle($elem).getSize(); |
| 995 | 1029 $elem.addClass(cssPrefix+'embedded'); |
| 728 | 1030 scalerUrl = getScalerUrl(data); |
| 623 | 1031 $img = $elem.find('img'); |
|
613
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|
1032 if ($img.length > 0) { |
|
870
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1033 var oldUrl = $img.attr('src'); |
|
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|
1034 // keep img attributes from html |
|
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1035 var title = $img.attr('title'); |
|
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1036 var alt = $img.attr('alt'); |
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changeset
|
1037 if (oldUrl === scalerUrl) { |
|
80cc227c1d50
keep title and alt attributes from HTML for scaler img
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|
1038 console.debug("img detach:", $img); |
|
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keep title and alt attributes from HTML for scaler img
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changeset
|
1039 $img.detach(); |
|
80cc227c1d50
keep title and alt attributes from HTML for scaler img
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|
1040 } else { |
|
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keep title and alt attributes from HTML for scaler img
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|
1041 $img = $('<img/>'); |
|
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|
1042 $img.attr("title", title); |
|
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changeset
|
1043 $img.attr("alt", alt); |
| 728 | 1044 } |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
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diff
changeset
|
1045 } else { |
|
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
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diff
changeset
|
1046 $img = $('<img/>'); |
|
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|
1047 } |
| 608 | 1048 } |
| 822 | 1049 // create new inner html, keeping buttons and content marked with "keep" class |
| 996 | 1050 $elem.contents(':not(.'+cssPrefix+'keep)').remove(); |
| 995 | 1051 var $scaler = $('<div class="'+cssPrefix+'scaler"/>'); |
| 779 | 1052 // scaler should be the first child element? |
| 1053 $elem.prepend($scaler); | |
|
613
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diff
changeset
|
1054 $scaler.append($img); |
| 995 | 1055 $img.addClass(cssPrefix+'pic'); |
| 649 | 1056 data.$scaler = $scaler; |
| 636 | 1057 data.$img = $img; |
| 947 | 1058 // set busy cursor |
| 1059 $('body').css('cursor','progress'); | |
| 1015 | 1060 data.$scaler.css('cursor', 'progress'); |
| 942 | 1061 // set up image load handler before setting the src attribute (IE bug) |
| 687 | 1062 $img.load(scalerImgLoadedHandler(data)); |
| 767 | 1063 $img.error(function () {console.error("error loading scaler image");}); |
| 687 | 1064 $img.attr('src', scalerUrl); |
| 608 | 1065 }; |
| 615 | 1066 |
| 1052 | 1067 /** shows some div (toggle visibility if show is null) |
| 949 | 1068 * |
| 1069 */ | |
| 635 | 1070 var showDiv = function (isVisible, $div, show) { |
| 645 | 1071 if (show == null) { |
| 635 | 1072 // toggle visibility |
| 1073 isVisible = !isVisible; | |
| 1074 } else { | |
| 1075 // set visibility | |
| 1076 isVisible = show; | |
|
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|
1077 } |
| 635 | 1078 if (isVisible) { |
| 1079 $div.fadeIn(); | |
| 1080 } else { | |
| 1081 $div.fadeOut(); | |
|
713
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|
1082 } |
| 635 | 1083 return isVisible; |
| 634 | 1084 }; |
| 616 | 1085 |
| 949 | 1086 /** Create Transform from zoom area and image size and parameters. |
| 1087 * Returns Transform between normalized coordinates and image pixel coordinates. | |
| 1088 */ | |
|
772
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original size mode works with zoom area now. needs error handling.
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changeset
|
1089 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
658
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|
1090 var picrect = geom.rectangle($img); |
| 949 | 1091 // handle pixel-by-pixel and original-size modes |
|
763
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|
1092 if (mode != null) { |
|
772
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original size mode works with zoom area now. needs error handling.
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|
1093 var imgInfo = data.imgInfo; |
|
763
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|
1094 if (mode === 'pixel') { |
|
31664707999e
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diff
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|
1095 // scaler mo=clip - image area size does not come from ww, wh |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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changeset
|
1096 if (imgInfo != null) { |
|
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|
1097 area.width = picrect.width / imgInfo.width; |
|
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|
1098 area.height = picrect.height / imgInfo.height; |
|
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diff
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|
1099 } else { |
|
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|
1100 console.error("No image info for pixel mode!"); |
|
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|
1101 } |
|
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|
1102 } |
|
772
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original size mode works with zoom area now. needs error handling.
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|
1103 if (mode === 'size') { |
|
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|
1104 // 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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changeset
|
1105 if (imgInfo != null) { |
|
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diff
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|
1106 var ddpi = parseFloat(data.settings.ddpi); |
|
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changeset
|
1107 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
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changeset
|
1108 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
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original size mode works with zoom area now. needs error handling.
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|
1109 } else { |
|
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changeset
|
1110 console.error("No image info for original size mode!"); |
|
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original size mode works with zoom area now. needs error handling.
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diff
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|
1111 } |
|
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original size mode works with zoom area now. needs error handling.
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diff
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|
1112 } |
|
763
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pixel-by-pixel scale mode works with zoom area. (not in all cases)
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diff
changeset
|
1113 } |
|
658
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diff
changeset
|
1114 var trafo = geom.transform(); |
| 675 | 1115 // move zoom area offset to center |
|
658
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diff
changeset
|
1116 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1117 // scale zoom area size to [1,1] |
|
658
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diff
changeset
|
1118 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1119 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1120 if (rot || hmir || vmir) { | |
| 1121 // move [0.5,0.5] to center | |
| 1122 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1123 if (hmir) { | |
| 1124 // mirror about center | |
| 1125 trafo.concat(trafo.getMirror('y')); | |
|
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diff
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|
1126 } |
| 675 | 1127 if (vmir) { |
| 1128 // mirror about center | |
| 1129 trafo.concat(trafo.getMirror('x')); | |
|
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diff
changeset
|
1130 } |
| 675 | 1131 if (rot) { |
| 1132 // rotate around center | |
| 1133 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
713
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diff
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|
1134 } |
| 675 | 1135 // move back |
| 1136 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
713
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diff
changeset
|
1137 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
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663
diff
changeset
|
1138 // scale to screen position and size |
|
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
|
1139 trafo.concat(trafo.getScale(picrect)); |
|
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diff
changeset
|
1140 trafo.concat(trafo.getTranslation(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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656
diff
changeset
|
1141 return trafo; |
| 655 | 1142 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1143 |
| 949 | 1144 /** update current scaler image transform |
| 1145 */ | |
| 767 | 1146 var updateImgTrafo = function (data) { |
| 1147 var $img = data.$img; | |
| 895 | 1148 if ($img == null) |
| 1149 return; | |
| 1150 var imgLoaded = $.browser.msie | |
| 949 | 1151 ? $img.prop('width') > 0 |
| 1152 : $img.prop('complete'); | |
|
950
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much nicer implementation of preview for scrolling and zooming.
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949
diff
changeset
|
1153 if (imgLoaded || data.hasPreviewBg) { |
| 1015 | 1154 // create Transform from current zoomArea and image size |
| 1155 data.imgTrafo = getImgTrafo($img, data.zoomArea, data.settings.rot, | |
| 1156 data.scalerFlags.hmir, data.scalerFlags.vmir, | |
| 1157 data.scaleMode, data); | |
| 1158 console.debug("updateImgTrafo: ", data.imgTrafo); | |
| 1159 } | |
| 767 | 1160 }; |
| 775 | 1161 |
| 949 | 1162 /** return handler for load event of scaler img |
| 1163 * (necessary for closure with data object) | |
| 1164 */ | |
| 767 | 1165 var scalerImgLoadedHandler = function (data) { |
| 1166 return function () { | |
| 1167 var $img = $(this); | |
| 1168 console.debug("scaler img loaded=",$img); | |
| 1169 var $scaler = data.$scaler; | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1170 var imgRect = geom.rectangle($img); |
| 931 | 1171 data.imgRect = imgRect; |
| 1015 | 1172 // reset busy cursor |
| 1173 $('body').css('cursor', 'auto'); | |
| 1174 $scaler.css('cursor', 'auto'); | |
| 957 | 1175 // adjust scaler div size (beware: setting position makes the element relative) |
| 1176 imgRect.getSize().adjustDiv($scaler); | |
| 715 | 1177 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1178 $img.css('visibility', 'visible'); |
|
1019
287e2d2d2ae8
fix flicker in Firefox by leaving scaler background visible.
robcast
parents:
1018
diff
changeset
|
1179 $scaler.css({'opacity' : '1'}); |
|
950
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much nicer implementation of preview for scrolling and zooming.
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parents:
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diff
changeset
|
1180 data.hasPreviewBg = false; |
| 767 | 1181 // update display (render marks, etc.) |
| 1182 updateDisplay(data); | |
|
658
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split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1183 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
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diff
changeset
|
1184 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1185 |
| 949 | 1186 /** handle imageInfo loaded event |
| 1187 * | |
| 1188 */ | |
| 797 | 1189 var handleImageInfo = function (evt, json) { |
| 1015 | 1190 console.debug("handleImageInfo:", json); |
| 797 | 1191 var data = this; |
| 1192 updateDisplay(data); | |
| 1193 }; | |
| 813 | 1194 |
| 949 | 1195 /** handle changeZoomArea event |
| 1196 * | |
| 1197 */ | |
| 942 | 1198 var handleChangeZoomArea = function (evt, newZa) { |
| 1015 | 1199 console.debug("handleChangeZoomArea:", newZa); |
| 1200 var data = this; | |
| 1201 // hide all overlays (marks/regions) | |
| 996 | 1202 data.$elem.find('.'+data.settings.cssPrefix+'overlay').hide(); |
| 1015 | 1203 setPreviewBg(data, newZa); |
| 942 | 1204 }; |
| 1015 | 1205 |
| 949 | 1206 /** zoom by the given factor. |
| 1207 * | |
| 1208 */ | |
| 643 | 1209 var zoomBy = function(data, factor) { |
| 1210 var area = data.zoomArea; | |
| 1211 var newarea = area.copy(); | |
| 1212 // scale | |
| 1213 newarea.width /= factor; | |
| 1214 newarea.height /= factor; | |
| 1215 // and recenter | |
| 1216 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1217 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1218 newarea = FULL_AREA.fit(newarea); |
|
950
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much nicer implementation of preview for scrolling and zooming.
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parents:
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diff
changeset
|
1219 setZoomArea(data, newarea); |
| 972 | 1220 // reset modes |
| 1221 setScaleMode(data, 'screen'); | |
| 1222 setFitMode(data, 'both'); | |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1223 redisplay(data); |
| 643 | 1224 }; |
| 1225 | |
| 1107 | 1226 /** define an area by click and drag |
| 949 | 1227 * |
| 1228 */ | |
| 1107 | 1229 var defineArea = function(data, onComplete, cls) { |
| 1230 var CSS = data.settings.cssPrefix; | |
| 1231 var $elem = data.$elem; | |
| 1232 var $scaler = data.$scaler; | |
| 654 | 1233 var picRect = geom.rectangle($scaler); |
| 1107 | 1234 var $body = $('body'); |
| 1235 var bodyRect = geom.rectangle($body); | |
| 1236 var pt1, pt2; | |
| 1237 // overlay div prevents other elements from reacting to mouse events | |
| 1238 var $overlayDiv = $('<div class="'+CSS+'areaoverlay"/>'); | |
| 1239 $body.append($overlayDiv); | |
| 1240 bodyRect.adjustDiv($overlayDiv); | |
| 1241 // area div | |
| 1242 var $areaDiv = $('<div class="'+CSS+'area"/>'); | |
| 1243 if (cls) { | |
| 1244 $areaDiv.addClass(cls); // individual styling | |
| 1245 } | |
| 1246 $elem.append($areaDiv); | |
| 654 | 1247 |
| 1107 | 1248 var areaStart = function (evt) { |
| 654 | 1249 pt1 = geom.position(evt); |
| 1107 | 1250 // setup and show area div |
| 1251 pt1.adjustDiv($areaDiv); | |
| 1252 $areaDiv.width(0).height(0); | |
| 1253 $areaDiv.show(); | |
| 654 | 1254 // register events |
| 1107 | 1255 $overlayDiv.on("mousemove.dlArea", areaMove); |
| 1256 $overlayDiv.on("mouseup.dlArea", areaEnd); | |
| 654 | 1257 return false; |
| 1258 }; | |
| 668 | 1259 |
| 741 | 1260 // mouse move handler |
| 1107 | 1261 var areaMove = function (evt) { |
| 741 | 1262 pt2 = geom.position(evt); |
| 1263 var rect = geom.rectangle(pt1, pt2); | |
| 1264 rect.clipTo(picRect); | |
| 1107 | 1265 // update area div |
| 1266 rect.adjustDiv($areaDiv); | |
| 741 | 1267 return false; |
| 1268 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1269 |
| 654 | 1270 // mouseup handler: end moving |
| 1107 | 1271 var areaEnd = function (evt) { |
| 654 | 1272 pt2 = geom.position(evt); |
| 1273 // assume a click and continue if the area is too small | |
| 1274 var clickRect = geom.rectangle(pt1, pt2); | |
| 1107 | 1275 if (clickRect.getArea() <= 5) { |
| 1276 onComplete(data, null); | |
| 1277 return false; | |
| 1278 }; | |
| 654 | 1279 // unregister events |
| 1107 | 1280 $overlayDiv.off("mousemove.dlArea", areaMove); |
| 1281 $overlayDiv.off("mouseup.dlArea", areaEnd); | |
| 654 | 1282 // clip and transform |
| 1283 clickRect.clipTo(picRect); | |
| 1107 | 1284 var rect = data.imgTrafo.invtransform(clickRect); |
| 1285 // execute callback | |
| 1286 onComplete(data, rect); | |
| 1287 // destroy area div | |
| 1288 withdraw($areaDiv); | |
| 1289 withdraw($overlayDiv); | |
| 654 | 1290 return false; |
| 1291 }; | |
| 668 | 1292 |
| 1107 | 1293 // start by clicking |
| 1294 $overlayDiv.one('mousedown.dlArea', areaStart); | |
| 654 | 1295 }; |
| 647 | 1296 |
|
950
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1297 /** set preview background. |
|
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1298 * optional newZoomArea scales and moves background to preview. |
| 949 | 1299 */ |
|
950
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1300 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
|
1301 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
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diff
changeset
|
1302 var $img = data.$img; |
|
950
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much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1303 var imgTrafo = data.imgTrafo; |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1304 var scalerPos = geom.position($scaler); |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1305 var bgRect = null; |
|
746
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move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1306 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
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diff
changeset
|
1307 $img.css('visibility', 'hidden'); |
|
918
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1308 // use current image as first background |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
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745
diff
changeset
|
1309 var scalerCss = { |
| 1015 | 1310 'background-image' : 'url(' + $img.attr('src') + ')', |
|
950
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much nicer implementation of preview for scrolling and zooming.
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949
diff
changeset
|
1311 'background-repeat' : 'no-repeat', |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1312 'background-position' : '0px 0px', |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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diff
changeset
|
1313 'opacity' : '0.7', |
|
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much nicer implementation of preview for scrolling and zooming.
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changeset
|
1314 'cursor' : 'move' |
|
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much nicer implementation of preview for scrolling and zooming.
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changeset
|
1315 }; |
|
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much nicer implementation of preview for scrolling and zooming.
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changeset
|
1316 if (newZoomArea != null) { |
| 1015 | 1317 // check if aspect ratio has changed |
| 1318 if (Math.abs(newZoomArea.getAspect() - data.zoomArea.getAspect()) > 0.001 ) { | |
| 1319 var newRect = data.imgTrafo.transform(newZoomArea); | |
| 1320 var newAspect = newRect.getAspect(); | |
| 1321 var newSize = data.maxImgSize.fitAspect(newAspect); | |
| 1322 // set scaler to presumed new size | |
| 1323 newSize.adjustDiv($scaler); | |
| 1324 console.debug("adjusting aspect ratio for preview", data.maxImgSize, newSize); | |
| 1325 } | |
| 1326 // get transform for new zoomArea (use 'screen' instead of data.scaleMode) | |
| 1327 imgTrafo = getImgTrafo($scaler, newZoomArea, data.settings.rot, | |
| 1328 data.scalerFlags.hmir, data.scalerFlags.vmir, | |
| 1329 'screen', data); | |
| 1330 // for new background coordinates transform old zoomArea with new Transform | |
| 1331 bgRect = imgTrafo.transform(data.zoomArea); | |
| 1332 // correct offset because background is relative | |
| 1333 bgRect.addPosition(scalerPos.neg()); | |
| 1334 // position background | |
| 1335 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
|
1336 } |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1337 if (data.hasBgSize) { |
| 1015 | 1338 // scale background using CSS3-background-size |
| 1339 if (bgRect != null && (bgRect.height < data.settings.maxBgSize && bgRect.width < data.settings.maxBgSize)) { | |
| 1340 scalerCss[data.bgSizeName] = Math.round(bgRect.width) + 'px ' + Math.round(bgRect.height) + 'px'; | |
| 1341 } else { | |
| 1342 scalerCss[data.bgSizeName] = 'auto'; | |
| 1343 } | |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1344 // additional full-size background using CSS3 |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1345 fullRect = imgTrafo.transform(FULL_AREA); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
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diff
changeset
|
1346 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
|
1347 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1348 fullRect.addPosition(scalerPos.neg()); |
| 954 | 1349 var url = getPreviewImgUrl(data); |
|
950
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much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1350 // 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
|
1351 scalerCss['background-image'] += ', url(' + url + ')'; |
|
950
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much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1352 scalerCss[data.bgSizeName] += ', ' + Math.round(fullRect.width) + 'px ' + Math.round(fullRect.height) + 'px'; |
|
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much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1353 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
|
1354 } |
|
918
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1355 } |
|
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1356 $scaler.css(scalerCss); |
| 942 | 1357 data.hasPreviewBg = true; |
|
929
e881ab1c2f47
first step to "preview" like zoom-drag for more operations
robcast
parents:
928
diff
changeset
|
1358 }; |
| 1015 | 1359 |
| 949 | 1360 /** setup handlers for dragging the zoomed image. |
| 1361 * | |
| 1362 */ | |
| 705 | 1363 var setupZoomDrag = function(data) { |
| 942 | 1364 var startPos, delta; |
| 733 | 1365 var $document = $(document); |
| 795 | 1366 var $data = $(data); |
| 705 | 1367 var $elem = data.$elem; |
| 1368 var $scaler = data.$scaler; | |
| 1369 var $img = data.$img; | |
| 710 | 1370 |
| 733 | 1371 // drag the image and load a new detail on mouse up |
| 705 | 1372 var dragStart = function (evt) { |
| 1015 | 1373 // cancel if not left-click |
| 1374 if (evt.which != 1) return; | |
| 813 | 1375 console.debug("dragstart at=", evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1376 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
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parents:
736
diff
changeset
|
1377 if (isFullArea(data.zoomArea)) return false; |
| 1107 | 1378 $elem.find('.'+data.settings.cssPrefix+'overlay').hide(); // hide all overlays (marks/regions) |
| 733 | 1379 startPos = geom.position(evt); |
| 741 | 1380 delta = null; |
|
746
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move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1381 // set low res background immediately on mousedown |
|
950
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much nicer implementation of preview for scrolling and zooming.
robcast
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949
diff
changeset
|
1382 setPreviewBg(data); |
| 917 | 1383 $document.on("mousemove.dlZoomDrag", dragMove); |
| 1384 $document.on("mouseup.dlZoomDrag", dragEnd); | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1385 return false; |
| 705 | 1386 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1387 |
| 733 | 1388 // mousemove handler: drag zoomed image |
| 705 | 1389 var dragMove = function (evt) { |
| 1390 var pos = geom.position(evt); | |
| 741 | 1391 delta = startPos.delta(pos); |
|
807
1b1728926534
geometry: overlapsRect() plus some comment clarifications
hertzhaft
parents:
799
diff
changeset
|
1392 // send message event with current zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
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diff
changeset
|
1393 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
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diff
changeset
|
1394 za.addPosition(delta.neg()); |
| 947 | 1395 // transform back |
| 1396 var newArea = data.imgTrafo.invtransform(za); | |
| 1397 $data.trigger('changeZoomArea', newArea); | |
| 705 | 1398 return false; |
| 1399 }; | |
| 710 | 1400 |
| 733 | 1401 // mouseup handler: reload zoomed image in new position |
| 705 | 1402 var dragEnd = function (evt) { |
| 739 | 1403 $scaler.css('cursor', 'auto'); |
| 917 | 1404 $document.off("mousemove.dlZoomDrag", dragMove); |
| 1405 $document.off("mouseup.dlZoomDrag", dragEnd); | |
| 733 | 1406 if (delta == null || delta.distance() < 2) { |
| 1407 // no movement | |
| 1408 $img.css('visibility', 'visible'); | |
| 741 | 1409 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 944 | 1410 data.hasPreviewBg = false; |
| 993 | 1411 // unhide marks etc. |
| 1412 updateDisplay(data); | |
| 733 | 1413 return false; |
| 1414 } | |
| 1415 // get old zoom area (screen coordinates) | |
| 741 | 1416 var za = geom.rectangle($img); |
| 733 | 1417 // move |
| 741 | 1418 za.addPosition(delta.neg()); |
| 733 | 1419 // transform back |
| 1420 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1421 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1422 redisplay(data); |
| 705 | 1423 return false; |
| 1424 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1425 |
| 733 | 1426 // clear old handler |
| 917 | 1427 $document.off(".dlZoomDrag"); |
| 1428 $scaler.off(".dlZoomDrag"); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1429 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1430 // set handler |
| 917 | 1431 $scaler.on("mousedown.dlZoomDrag", dragStart); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1432 } |
| 705 | 1433 }; |
| 1434 | |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1435 /** set the zoom area. |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1436 * also triggers "changeZoomArea" event. |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1437 */ |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1438 var setZoomArea = function(data, za) { |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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parents:
949
diff
changeset
|
1439 $(data).trigger('changeZoomArea', za); |
|
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949
diff
changeset
|
1440 data.oldZoomArea = data.zoomArea; |
|
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diff
changeset
|
1441 data.zoomArea = za; |
|
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parents:
949
diff
changeset
|
1442 }; |
| 1012 | 1443 |
|
1111
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1444 /** 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
|
1445 */ |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1446 var centerZoomArea = function(data, rect) { |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1447 var za = data.zoomArea; |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1448 if (isFullArea(za)) return; |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1449 za.setCenter(rect.getCenter()).stayInside(FULL_AREA); |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1450 if (!za.containsRect(rect)) { |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1451 za = FULL_AREA.copy(); |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1452 } |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1453 setZoomArea(data, za); |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1454 }; |
|
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1455 |
| 949 | 1456 /** get image quality as a number (0..2). |
| 1457 * | |
| 1458 */ | |
| 703 | 1459 var getQuality = function (data) { |
| 1460 var flags = data.scalerFlags; | |
| 1461 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1462 return parseInt(q[1], 10); | |
| 706 | 1463 }; |
| 703 | 1464 |
| 949 | 1465 /** set image quality as a number (0..2). |
| 1466 * | |
| 1467 */ | |
| 703 | 1468 var setQuality = function (data, qual) { |
| 1469 var flags = data.scalerFlags; | |
| 1470 // clear flags | |
| 1471 for (var i = 0; i < 3; ++i) { | |
| 1472 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1473 } |
| 703 | 1474 flags['q'+qual] = 'q'+qual; |
| 706 | 1475 }; |
| 710 | 1476 |
| 949 | 1477 /** get image scale mode (screen, pixel, size). |
| 1478 * | |
| 1479 */ | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1480 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1481 if (data.scalerFlags.clip != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1482 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1483 } else if (data.scalerFlags.osize != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1484 return 'size'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1485 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1486 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1487 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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parents:
760
diff
changeset
|
1488 }; |
| 775 | 1489 |
| 949 | 1490 /** set image scale mode (screen, pixel, size). |
| 1491 * | |
| 1492 */ | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1493 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1494 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1495 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1496 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1497 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1498 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1499 } else if (mode === 'size') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1500 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1501 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1502 // mo=fit is default |
| 972 | 1503 // save mode |
| 1504 data.scaleMode = mode; | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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diff
changeset
|
1505 }; |
| 775 | 1506 |
| 972 | 1507 /** get screen fit mode (width, height, both). |
| 1508 * | |
| 1509 */ | |
| 1510 var getFitMode = function (data) { | |
| 1015 | 1511 if (data.dlOpts.fitwidth != null) { |
| 1512 return "width"; | |
| 1513 } else if (data.dlOpts.fitheight != null) { | |
| 1514 return "height"; | |
| 1515 } | |
| 1516 // "both" is default | |
| 1517 return "both"; | |
| 972 | 1518 }; |
| 1012 | 1519 |
| 972 | 1520 /** |
| 1521 * set screen fit mode (width, height, both). | |
| 1522 */ | |
| 1523 var setFitMode = function (data, mode) { | |
| 984 | 1524 var settings = data.settings; |
| 1012 | 1525 var imgSize = data.maxImgSize; |
| 1015 | 1526 if (mode === 'width') { |
| 1527 data.dlOpts.fitwidth = 1; | |
| 1528 delete data.dlOpts.fitheight; | |
| 1529 if (imgSize != null) { | |
| 1530 // fitwidth omits destination height | |
| 1531 settings.dw = imgSize.width; | |
| 1532 settings.dh = null; | |
| 1533 } | |
| 1534 } else if (mode === 'height') { | |
| 1535 data.dlOpts.fitheight = 1; | |
| 1536 delete data.dlOpts.fitwidth; | |
| 984 | 1537 if (imgSize != null) { |
| 1538 // fitheight omits destination width | |
| 1539 settings.dw = null; | |
| 1540 settings.dh = imgSize.height; | |
| 1541 } | |
| 1015 | 1542 } else { |
| 1543 delete data.dlOpts.fitwidth; | |
| 1544 delete data.dlOpts.fitheight; | |
| 984 | 1545 if (imgSize != null) { |
| 1546 settings.dw = imgSize.width; | |
| 1547 settings.dh = imgSize.height; | |
| 1548 } | |
| 1015 | 1549 } |
| 972 | 1550 }; |
| 1015 | 1551 |
| 949 | 1552 /** sets a key to a value (relative values with +/- if relative=true). |
| 1553 * | |
| 1554 */ | |
| 650 | 1555 var setNumValue = function(settings, key, value) { |
| 716 | 1556 if (value == null) return null; |
|
955
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1557 if (isNumber(value)) { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1558 settings[key] = value; |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1559 return value; |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1560 } |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1561 var sign = value[0]; |
| 650 | 1562 if (sign === '+' || sign === '-') { |
| 1563 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1564 // this isn't perfect but still... |
| 650 | 1565 settings[key] = 0; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1566 } |
| 650 | 1567 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1568 } else { | |
| 1569 settings[key] = value; | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1570 } |
| 650 | 1571 return settings[key]; |
| 1572 }; | |
| 655 | 1573 |
| 949 | 1574 /** return width of border on $elem. |
| 1575 * assumes equal border width on all sides. | |
| 1576 */ | |
| 775 | 1577 var getBorderWidth = function($elem) { |
| 1578 var border = $elem.outerWidth() - $elem.width(); | |
| 1579 return border/2; | |
| 1580 }; | |
| 1581 | |
| 949 | 1582 /** return if the current zoomarea can be moved further. |
| 1583 * | |
| 1584 */ | |
| 878 | 1585 var canMove = function(data, movx, movy) { |
|
1075
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
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parents:
1060
diff
changeset
|
1586 |
| 878 | 1587 var za = data.zoomArea; |
| 1588 if (isFullArea(za)) return false; | |
|
1075
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
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diff
changeset
|
1589 var dx = movx; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1590 var dy = movy; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1591 // 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
|
1592 var trafo = data.imgTrafo; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1593 if (trafo != null) { |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1594 dx = (trafo.m00 > 0) ? movx : -movx; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1595 dy = (trafo.m11 > 0) ? movy : -movy; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1596 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
|
1597 dx = (trafo.m01 > 0) ? -movy : movy; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1598 dy = (trafo.m10 > 0) ? -movx : movx; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1599 } |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
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diff
changeset
|
1600 } |
| 878 | 1601 var x2 = za.x + za.width; |
| 1602 var y2 = za.y + za.height; | |
|
1075
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
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parents:
1060
diff
changeset
|
1603 return (((dx < 0) && (za.x > 0)) || ((dx > 0) && (x2 < 1.0)) || ((dy < 0) && (za.y > 0)) || ((dy > 0) && (y2 < 1.0))); |
| 878 | 1604 }; |
| 1605 | |
| 949 | 1606 /** return if area is maximal. |
| 1607 * | |
| 1608 */ | |
| 795 | 1609 var isFullArea = function (area) { |
| 659 | 1610 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1611 }; |
| 1612 | |
|
955
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1613 /** 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
|
1614 * from Douglas Crockford, A.10. |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1615 * this is different from $.isNumeric(). |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
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diff
changeset
|
1616 */ |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
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parents:
954
diff
changeset
|
1617 var isNumber = function (value) { |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1618 return typeof value === 'number' && isFinite(value); |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1619 }; |
| 949 | 1620 /** return number with reduced precision. |
| 1621 * ("crop senseless precision") | |
| 1622 */ | |
| 631 | 1623 var cropFloat = function (x) { |
| 637 | 1624 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1625 }; |
| 655 | 1626 |
| 949 | 1627 /** return string from number with reduced precision. |
| 1628 */ | |
| 813 | 1629 var cropFloatStr = function (x) { |
| 1630 return cropFloat(x).toString(); | |
| 1631 }; | |
| 1632 | |
| 1100 | 1633 /** |
| 1634 * returns if str ends with suffix. | |
| 1635 */ | |
| 1636 var endsWith = function (str, suffix) { | |
| 1637 return str.indexOf(suffix, str.length - suffix.length) !== -1; | |
| 1638 }; | |
| 1107 | 1639 |
|
1047
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1640 /** center an item on the visible screen rect |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1641 */ |
| 1021 | 1642 var centerOnScreen = function (data, $div) { |
|
1058
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1643 if ($div == null) return; |
| 1021 | 1644 var r = geom.rectangle($div); |
| 1645 var s = fn.getFullscreenRect(data); | |
| 1646 r.setCenter(s.getCenter()); | |
| 1060 | 1647 r.getPosition().adjustDiv($div); |
| 1021 | 1648 }; |
| 1649 | |
|
1058
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1650 /** find an element in digilib $elem |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1651 */ |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1652 var find = function (data, selector) { |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1653 var $obj = data.$elem.find(selector); |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1654 return ($obj.length > 0) ? $obj : null; |
|
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 |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1657 /** does element exist in digilib? |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1658 */ |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1659 var isOnScreen = function (data, selector) { |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1660 var $obj = find(data, selector); |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1661 return ($obj != null); |
|
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 |
|
1047
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1664 /** fade out and remove an item |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1665 */ |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1666 var withdraw = function ($item) { |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1667 $item.fadeOut(function () { |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1668 $item.remove(); |
|
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 }; |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1671 |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1672 |
| 692 | 1673 // fallback for console.log calls |
| 1674 if (customConsole) { | |
| 1675 var logFunction = function(type) { | |
| 1676 return function(){ | |
| 996 | 1677 var $debug = $('#'+defaults.cssPrefix+'debug'); // debug div |
| 692 | 1678 if (!$debug) return; |
| 1679 var args = Array.prototype.slice.call(arguments); | |
| 1680 var argtext = args.join(' '); | |
| 1681 var $logDiv = $('<div/>'); | |
| 1682 $logDiv.addClass(type); | |
| 1683 $logDiv.text(argtext); | |
| 1684 $debug.append($logDiv); | |
| 1685 }; | |
| 1686 }; | |
| 1687 console.log = logFunction('_log'); | |
| 1688 console.debug = logFunction('_debug'); | |
| 1689 console.error = logFunction('_error'); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1690 } |
| 692 | 1691 |
| 949 | 1692 /** functions to export to plugins. |
| 1693 */ | |
| 787 | 1694 fn = { |
| 791 | 1695 geometry : geom, |
| 787 | 1696 parseQueryString : parseQueryString, |
| 1697 getScalerUrl : getScalerUrl, | |
| 1698 getParamString : getParamString, | |
| 1699 getDigilibUrl : getDigilibUrl, | |
| 1700 unpackParams : unpackParams, | |
| 1701 packParams : packParams, | |
| 822 | 1702 packArea : packArea, |
| 1703 packScalerFlags : packScalerFlags, | |
| 795 | 1704 storeOptions : storeOptions, |
| 787 | 1705 redisplay : redisplay, |
| 1706 updateDisplay : updateDisplay, | |
| 791 | 1707 showDiv : showDiv, |
| 1107 | 1708 defineArea : defineArea, |
| 983 | 1709 setZoomArea : setZoomArea, |
|
1111
0a01d5cc66fe
center zoom area (not yet working for text search + highlight)
hertzhaft
parents:
1107
diff
changeset
|
1710 centerZoomArea : centerZoomArea, |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1711 setPreviewBg : setPreviewBg, |
| 787 | 1712 getImgTrafo : getImgTrafo, |
| 1713 getQuality : getQuality, | |
| 1714 setQuality : setQuality, | |
| 1715 getScaleMode : getScaleMode, | |
| 1716 setScaleMode : setScaleMode, | |
| 972 | 1717 getFitMode : getFitMode, |
| 1718 setFitMode : setFitMode, | |
| 878 | 1719 canMove : canMove, |
| 795 | 1720 isFullArea : isFullArea, |
| 978 | 1721 isNumber : isNumber, |
| 974 | 1722 getFullscreenRect : getFullscreenRect, |
| 813 | 1723 getBorderWidth : getBorderWidth, |
| 1724 cropFloat : cropFloat, | |
| 1021 | 1725 cropFloatStr : cropFloatStr, |
| 1100 | 1726 endsWith : endsWith, |
|
1047
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
hertzhaft
parents:
1031
diff
changeset
|
1727 centerOnScreen : centerOnScreen, |
|
1058
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1728 withdraw : withdraw, |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1729 isOnScreen : isOnScreen, |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
hertzhaft
parents:
1053
diff
changeset
|
1730 find : find |
| 787 | 1731 }; |
| 788 | 1732 |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1733 // hook digilib plugin into jquery |
| 785 | 1734 $.fn.digilib = function (action) { |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1735 // plugin extension mechanism, called when the plugins' code is read |
| 786 | 1736 if (action === 'plugin') { |
| 1737 var plugin = arguments[1]; | |
| 1738 // each plugin needs a name | |
| 1739 if (plugin.name != null) { | |
| 1740 plugins[plugin.name] = plugin; | |
|
793
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1741 // share common objects |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1742 plugin.defaults = defaults; |
| 947 | 1743 plugin.buttons = buttons; |
|
793
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1744 plugin.actions = actions; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1745 plugin.fn = fn; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1746 plugin.plugins = plugins; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1747 // and install |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1748 if (typeof plugin.install === 'function') { |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1749 plugin.install(plugin); |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1750 } |
| 786 | 1751 } |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1752 // 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
|
1753 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1754 // 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
|
1755 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1756 var data = $elem.data('digilib'); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1757 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1758 args.unshift(data); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1759 return actions[action].apply(this, args); |
|
798
b07d1824ca2a
fullscreen mode works without reload on browsers supporting history.pushstate!
robcast
parents:
797
diff
changeset
|
1760 } else if (typeof action === 'object' || !action) { |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1761 // call init on the digilib jQuery object |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1762 return actions.init.apply(this, arguments); |
| 605 | 1763 } else { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1764 $.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
|
1765 } |
| 605 | 1766 }; |
| 692 | 1767 |
|
991
497ab03868ab
moved marks to separate plugin. (pack and unpack is still in digilib.js)
robcast
parents:
990
diff
changeset
|
1768 })(jQuery); |