Mercurial > hg > digilib-old
annotate webapp/src/main/webapp/jquery/jquery.digilib.js @ 1100:c5ed20cd24ae
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| author | robcast |
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| date | Thu, 25 Oct 2012 17:22:36 +0200 |
| parents | dbd1cf7cd86a |
| children | 365f95a14057 |
| 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 |
| 1080 | 41 'version' : 'jquery.digilib.js 2.1.8a1', |
| 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 | |
| 345 zoomArea(data); | |
| 346 } else { | |
| 347 data.zoomArea = geom.rectangle(area); | |
| 348 redisplay(data); | |
| 349 } | |
| 668 | 350 }, |
| 650 | 351 |
| 954 | 352 /** zoom out to full page |
| 353 * | |
| 354 * @param data | |
| 355 * @param mode | |
| 356 */ | |
| 668 | 357 zoomFull : function (data, mode) { |
| 1031 | 358 var settings = data.settings; |
| 917 | 359 data.zoomArea = FULL_AREA.copy(); |
| 972 | 360 setFitMode(data, mode); |
| 361 // zoom full only works in screen mode | |
| 362 setScaleMode(data, 'screen'); | |
| 668 | 363 redisplay(data); |
| 364 }, | |
| 365 | |
| 954 | 366 /** mirror the image |
| 367 * | |
| 368 * @param data | |
| 369 * @param mode | |
| 370 */ | |
| 668 | 371 mirror : function (data, mode) { |
| 372 var flags = data.scalerFlags; | |
| 373 if (mode === 'h') { | |
| 374 if (flags.hmir) { | |
| 375 delete flags.hmir; | |
| 376 } else { | |
| 377 flags.hmir = 1; | |
| 378 } | |
| 379 } else { | |
| 380 if (flags.vmir) { | |
| 381 delete flags.vmir; | |
| 382 } else { | |
| 383 flags.vmir = 1; | |
| 384 } | |
| 385 } | |
| 386 redisplay(data); | |
| 387 }, | |
| 650 | 388 |
| 954 | 389 /** rotate the image |
| 390 * | |
| 391 * @param data | |
| 392 * @param angle | |
| 393 */ | |
| 668 | 394 rotate : function (data, angle) { |
| 395 var rot = data.settings.rot; | |
| 396 if (angle == null) { | |
| 397 angle = window.prompt("Rotation angle:", rot); | |
| 398 } | |
| 399 data.settings.rot = angle; | |
| 400 redisplay(data); | |
| 401 }, | |
| 402 | |
| 954 | 403 /** change brightness |
| 404 * | |
| 405 * @param data | |
| 406 * @param factor | |
| 407 */ | |
| 668 | 408 brightness : function (data, factor) { |
| 409 var brgt = data.settings.brgt; | |
| 410 if (factor == null) { | |
| 411 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 412 } | |
| 413 data.settings.brgt = factor; | |
| 414 redisplay(data); | |
| 415 }, | |
| 416 | |
| 954 | 417 /** change contrast |
| 418 * | |
| 419 * @param data | |
| 420 * @param factor | |
|
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421 * @param brightness : if given, adjust brightness along with contrast |
| 954 | 422 */ |
|
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423 contrast : function (data, factor, brightness) { |
| 668 | 424 var cont = data.settings.cont; |
| 425 if (factor == null) { | |
| 426 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 427 } | |
| 428 data.settings.cont = factor; | |
|
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429 if (brightness) { |
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430 var brgt = 127 - (127 * Math.pow(2, factor)); |
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431 data.settings.brgt = brgt; |
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432 } |
| 668 | 433 redisplay(data); |
| 688 | 434 }, |
| 710 | 435 |
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436 /** change rgb contrast and brightness |
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437 * |
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438 * @param data |
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439 * @param rgbm |
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440 * @param rgba |
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441 */ |
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442 setRGB : function (data, rgbm, rgba) { |
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443 var oldRgbm = data.settings.rgbm; |
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444 var oldRgba = data.settings.rgba; |
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445 if (rgbm == null && rgba == null) { |
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446 var rgb = window.prompt("RGBm, RGBa (m_r/m_g/m_b, a_r/a_g/a_b)", oldRgbm+', '+oldRgba); |
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447 if (rgb != null) { |
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448 rgbs = rgb.split(/,\s*/); |
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449 if (rgbs.length == 2) { |
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450 data.settings.rgbm = rgbs[0]; |
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451 data.settings.rgba = rgbs[1]; |
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452 redisplay(data); |
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453 } |
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454 } |
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455 } else { |
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456 if (rgbm != null) data.settings.rgbm = rgbm; |
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457 if (rgba != null) data.settings.rgba = rgba; |
| 1052 | 458 redisplay(data); |
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459 } |
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460 }, |
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461 |
| 954 | 462 /** reset image parameters to defaults |
| 463 * TODO: improve this! | |
| 464 * | |
| 465 * @param data | |
| 466 */ | |
| 688 | 467 reset : function (data) { |
| 468 var settings = data.settings; | |
| 469 var paramNames = settings.digilibParamNames; | |
| 470 var params = data.queryParams; | |
| 471 // delete all digilib parameters | |
| 472 for (var i = 0; i < paramNames.length; i++) { | |
| 473 var paramName = paramNames[i]; | |
| 474 delete settings[paramName]; | |
|
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475 } |
|
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476 settings.fn = params.fn || ''; // no default defined |
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477 settings.pn = params.pn || defaults.pn; |
| 986 | 478 var size = getFullscreenImgSize(data); |
| 479 settings.dw = params.dw || size.width; | |
| 480 settings.dh = params.dh || size.height; | |
| 946 | 481 settings.visibleButtonSets = 1; // FIXME |
|
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482 // resets zoomArea, marks, scalerflags |
| 917 | 483 data.zoomArea = FULL_AREA.copy(); |
|
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484 data.marks = []; |
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485 data.scalerFlags = {}; |
| 712 | 486 delete data.dlOpts.fitwidth; |
| 487 delete data.dlOpts.fitheight; | |
| 986 | 488 data.scaleMode = 'screen'; |
| 688 | 489 redisplay(data); |
| 689 | 490 }, |
| 491 | |
| 954 | 492 /** presents a reference url (returns value if noprompt) |
| 493 * | |
| 494 * @param data | |
| 495 * @param noprompt | |
| 496 * @returns | |
| 497 */ | |
| 703 | 498 reference : function (data, noprompt) { |
| 744 | 499 var url = getDigilibUrl(data); |
| 703 | 500 if (noprompt == null) { |
| 501 window.prompt("URL reference to the current view", url); | |
| 1011 | 502 // return nothing so we can use is in javascript: url without reload |
| 503 return; | |
| 703 | 504 } |
| 505 return url; | |
| 506 }, | |
| 710 | 507 |
| 1011 | 508 /** |
| 509 * Returns URL to the full digilib.html with the current parameters. | |
| 510 * Redirects immediately with mode=open. | |
| 511 * | |
| 512 * @param data | |
| 513 * @param mode | |
| 514 */ | |
| 515 digilibUrl : function (data, mode) { | |
| 516 var url = getDigilibUrl(data, '/jquery/digilib.html'); | |
| 517 if (mode === 'open') { | |
| 518 // redirect | |
| 519 window.location = url; | |
| 520 } else if (mode === 'open_new') { | |
| 521 // open new window | |
| 522 window.open(url); | |
| 523 return; | |
| 524 } | |
| 525 return url; | |
| 526 }, | |
| 527 | |
| 528 | |
| 954 | 529 /** set image quality |
| 530 * | |
| 531 * @param data | |
| 532 * @param qual | |
| 533 */ | |
| 748 | 534 setQuality : function (data, qual) { |
| 703 | 535 var oldq = getQuality(data); |
| 536 if (qual == null) { | |
| 537 qual = window.prompt("Image quality (0..2)", oldq); | |
| 538 } | |
| 539 qual = parseInt(qual, 10); | |
| 540 if (qual >= 0 && qual <= 2) { | |
| 541 setQuality(data, qual); | |
| 542 redisplay(data); | |
| 543 } | |
|
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544 }, |
|
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545 |
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546 /** set image size |
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547 * |
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548 * @param data |
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549 * @param size |
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550 */ |
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551 setSize : function (data, size) { |
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552 var olds = data.settings.ws; |
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553 if (size == null) { |
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554 size = window.prompt("Image size (1=screen size)", olds); |
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555 } |
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556 size = parseFloat(size); |
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557 if (size > 0) { |
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558 data.settings.ws = size; |
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559 redisplay(data); |
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560 } |
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561 }, |
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562 |
|
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563 /** calibrate (set client screen dpi) |
| 954 | 564 * |
| 565 * @param data | |
| 566 * @param res | |
| 567 */ | |
|
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568 calibrate : function (data, res) { |
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569 var oldRes = data.settings.ddpi; |
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570 if (res == null) { |
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571 res = window.prompt("Display resolution (dpi)", oldRes); |
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572 } |
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573 if (res != null) { |
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574 data.settings.ddpi = res; |
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575 redisplay(data); |
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576 } |
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577 }, |
| 775 | 578 |
| 954 | 579 /** set image scale mode |
| 580 * | |
| 581 * @param data | |
| 582 * @param mode | |
| 583 */ | |
|
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584 setScaleMode : function (data, mode) { |
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585 var oldM = getScaleMode(data); |
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586 if (mode == null) { |
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587 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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588 } |
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589 if (mode != null) { |
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590 setScaleMode(data, mode); |
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591 redisplay(data); |
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592 } |
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593 } |
|
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|
594 // end of actions |
| 605 | 595 }; |
| 604 | 596 |
| 954 | 597 /** return parameters from page url |
| 598 * | |
| 599 */ | |
| 607 | 600 var parseQueryParams = function() { |
| 636 | 601 return parseQueryString(window.location.search.slice(1)); |
| 602 }; | |
| 655 | 603 |
| 984 | 604 /** |
| 605 * returns parameters from embedded img-element | |
| 954 | 606 * |
| 607 */ | |
| 607 | 608 var parseImgParams = function($elem) { |
|
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609 var src = $elem.find('img').first().attr('src'); |
| 710 | 610 if (!src) return null; |
| 607 | 611 var pos = src.indexOf('?'); |
| 612 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 613 var scalerUrl = src.substring(0, pos); | |
| 627 | 614 var params = parseQueryString(query); |
| 615 params.scalerBaseUrl = scalerUrl; | |
| 616 return params; | |
| 636 | 617 }; |
| 607 | 618 |
| 984 | 619 /** |
| 620 * parses query parameter string into parameter object | |
| 954 | 621 * |
| 622 */ | |
| 607 | 623 var parseQueryString = function(query) { |
| 701 | 624 var params = {}; |
| 625 if (query == null) return params; | |
| 607 | 626 var pairs = query.split("&"); |
| 636 | 627 //var keys = []; |
| 607 | 628 for (var i = 0; i < pairs.length; i++) { |
| 629 var pair = pairs[i].split("="); | |
| 630 if (pair.length === 2) { | |
| 627 | 631 params[pair[0]] = pair[1]; |
| 636 | 632 //keys.push(pair[0]); |
| 634 | 633 } |
| 636 | 634 } |
| 627 | 635 return params; |
| 636 | 636 }; |
| 668 | 637 |
| 984 | 638 /** |
| 639 * return a query string from key names from a parameter hash | |
| 954 | 640 * (ignores keys if the same value is in defaults) |
| 641 * | |
| 642 */ | |
| 643 | 643 var getParamString = function (settings, keys, defaults) { |
| 615 | 644 var paramString = ''; |
| 650 | 645 var nx = false; |
|
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646 for (var i = 0; i < keys.length; ++i) { |
| 615 | 647 var key = keys[i]; |
| 663 | 648 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 649 // first param gets no '&' |
| 650 | 650 if (nx) { |
| 651 paramString += '&'; | |
| 652 } else { | |
| 653 nx = true; | |
| 654 } | |
| 615 | 655 // add parm=val |
| 656 paramString += key + '=' + settings[key]; | |
| 643 | 657 } |
| 615 | 658 } |
| 659 return paramString; | |
| 631 | 660 }; |
| 661 | |
| 984 | 662 /** |
| 663 * returns URL and query string for Scaler | |
| 954 | 664 */ |
| 636 | 665 var getScalerUrl = function (data) { |
| 741 | 666 packParams(data); |
| 653 | 667 var settings = data.settings; |
| 652 | 668 if (settings.scalerBaseUrl == null) { |
| 669 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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670 } |
| 636 | 671 var keys = settings.scalerParamNames; |
| 643 | 672 var queryString = getParamString(settings, keys, defaults); |
| 636 | 673 var url = settings.scalerBaseUrl + '?' + queryString; |
| 674 return url; | |
| 675 }; | |
| 676 | |
| 954 | 677 /** returns URL for preview background image |
| 678 * | |
| 679 */ | |
| 680 var getPreviewImgUrl = function (data, moreParams) { | |
| 741 | 681 var settings = data.settings; |
| 795 | 682 var bgOptions = { |
| 954 | 683 dw : settings.previewImgWidth, |
| 684 dh : settings.previewImgHeight | |
| 741 | 685 }; |
| 795 | 686 var bgSettings = $.extend({}, settings, bgOptions); |
| 931 | 687 // filter scaler flags (use only hmir and vmir) |
| 795 | 688 if (bgSettings.mo != null) { |
| 689 var mo = ''; | |
| 690 if (data.scalerFlags.hmir != null) { | |
| 691 mo += 'hmir,'; | |
| 767 | 692 } |
| 795 | 693 if (data.scalerFlags.vmir != null) { |
| 694 mo += 'vmir'; | |
| 695 } | |
| 696 bgSettings.mo = mo; | |
| 743 | 697 } |
| 954 | 698 var params = getParamString(bgSettings, settings.previewImgParamNames, defaults); |
| 743 | 699 var url = settings.scalerBaseUrl + '?' + params; |
| 741 | 700 return url; |
| 701 }; | |
|
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702 |
| 1011 | 703 /** |
| 704 * returns URL and query string for current digilib. | |
| 705 * if digilibPage != null returns URL to page in digilib installation with digilib parameters, | |
| 706 * otherwise using current URL and parameters. | |
| 954 | 707 * |
| 708 */ | |
| 1011 | 709 var getDigilibUrl = function (data, digilibPage) { |
| 643 | 710 packParams(data); |
| 636 | 711 var settings = data.settings; |
| 1011 | 712 var paramList = settings.digilibParamNames; |
| 713 if (digilibPage != null) { | |
| 714 var baseUrl = data.settings.digilibBaseUrl + digilibPage; | |
| 715 } else { | |
| 716 paramList = settings.additionalParamNames.concat(settings.digilibParamNames); | |
| 717 if (settings.suppressParamNames != null) { | |
| 718 // eliminate suppressed parameters from list | |
| 719 paramList = $.map(paramList, function(e, idx) { | |
| 720 if ($.inArray(e, settings.suppressParamNames) >= 0) { | |
| 721 return null; | |
| 722 } else { | |
| 723 return e; | |
| 724 } | |
| 725 }); | |
| 726 } | |
| 727 // take url from current location | |
| 728 var baseUrl = window.location.href; | |
| 729 var pos = baseUrl.indexOf('?'); | |
| 730 if (pos > -1) { | |
| 731 baseUrl = baseUrl.substring(0, pos); | |
| 732 } | |
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733 } |
| 1007 | 734 var queryString = getParamString(settings, paramList, defaults); |
| 1011 | 735 return baseUrl + '?' + queryString; |
| 636 | 736 }; |
| 737 | |
| 954 | 738 /** loads image information from digilib server via HTTP |
| 739 * | |
| 740 */ | |
| 797 | 741 var loadImageInfo = function (data) { |
|
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742 var settings = data.settings; |
| 917 | 743 // bind default function (only once) |
| 744 $(data).off('imageInfo', handleImageInfo); | |
| 745 $(data).on('imageInfo', handleImageInfo); | |
| 746 var url = settings.digilibBaseUrl + '/ImgInfo-json.jsp'; | |
|
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747 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 767 | 748 // TODO: better error handling |
| 785 | 749 $.getJSON(url, function (json) { |
|
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750 console.debug("got json data=", json); |
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751 data.imgInfo = json; |
| 797 | 752 // send event |
| 753 $(data).trigger('imageInfo', [json]); | |
|
754
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754 }); |
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755 }; |
| 775 | 756 |
| 954 | 757 /** processes some parameters into objects and stuff |
| 758 * | |
| 759 */ | |
| 631 | 760 var unpackParams = function (data) { |
| 761 var settings = data.settings; | |
| 636 | 762 // zoom area |
| 631 | 763 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 764 data.zoomArea = zoomArea; |
| 650 | 765 // mo (Scaler flags) |
| 766 var flags = {}; | |
| 767 if (settings.mo) { | |
| 768 var pa = settings.mo.split(","); | |
| 769 for (var i = 0; i < pa.length ; i++) { | |
| 770 flags[pa[i]] = pa[i]; | |
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771 } |
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772 } |
| 650 | 773 data.scalerFlags = flags; |
|
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|
774 data.scaleMode = getScaleMode(data); |
| 723 | 775 retrieveOptions(data); |
| 655 | 776 }; |
| 777 | |
| 954 | 778 /** put area into parameters |
| 779 * | |
| 780 */ | |
| 822 | 781 var packArea = function (settings, area) { |
| 782 if (!area) return; | |
| 783 // zoom area | |
| 784 settings.wx = cropFloat(area.x); | |
| 785 settings.wy = cropFloat(area.y); | |
| 786 settings.ww = cropFloat(area.width); | |
| 787 settings.wh = cropFloat(area.height); | |
| 788 }; | |
| 789 | |
| 954 | 790 /** pack scaler flags into parameters |
| 791 * | |
| 792 */ | |
| 822 | 793 var packScalerFlags = function (settings, flags) { |
| 794 if (!flags) return; | |
| 795 var mo = ''; | |
| 796 for (var f in flags) { | |
| 797 if (mo) { | |
| 798 mo += ','; | |
| 799 } | |
| 800 mo += f; | |
| 801 } | |
| 802 settings.mo = mo; | |
| 803 }; | |
| 804 | |
| 954 | 805 /** put objects back into parameters |
| 806 * | |
| 807 */ | |
| 631 | 808 var packParams = function (data) { |
| 809 var settings = data.settings; | |
| 822 | 810 packArea(settings, data.zoomArea); |
| 811 packScalerFlags(settings, data.scalerFlags); | |
| 812 // store user interface options in cookie | |
| 723 | 813 storeOptions(data); |
|
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814 // trigger pack handlers |
|
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815 $(data).trigger('pack'); |
| 709 | 816 }; |
| 688 | 817 |
| 954 | 818 /** store digilib options in a cookie |
| 819 * | |
| 820 */ | |
| 723 | 821 var storeOptions = function (data) { |
| 709 | 822 var settings = data.settings; |
| 823 if (data.dlOpts) { | |
| 824 // save digilib settings in options | |
| 825 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 826 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 827 var clop = ''; | |
| 828 for (var o in data.dlOpts) { | |
| 829 if (clop) { | |
| 830 clop += '&'; | |
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831 } |
| 709 | 832 clop += o + '=' + data.dlOpts[o]; |
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|
833 } |
| 785 | 834 if ($.cookie) { |
| 709 | 835 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 836 console.debug("set cookie=", ck, " value=", clop); | |
| 785 | 837 $.cookie(ck, clop); |
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838 } |
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839 } |
| 785 | 840 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 727 | 841 // store normal parameters in cookie for embedded mode |
| 842 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 843 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 844 console.debug("set cookie=", ck, " value=", qs); | |
| 785 | 845 $.cookie(ck, qs); |
| 727 | 846 } |
| 631 | 847 }; |
| 655 | 848 |
| 983 | 849 /** retrieve digilib options from a cookie |
| 954 | 850 * |
| 851 */ | |
| 723 | 852 var retrieveOptions = function (data) { |
| 709 | 853 // clop (digilib options) |
| 854 var opts = {}; | |
| 855 var settings = data.settings; | |
| 785 | 856 if ($.cookie) { |
| 709 | 857 // read from cookie |
| 858 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 785 | 859 var cp = $.cookie(ck); |
| 709 | 860 console.debug("get cookie=", ck, " value=", cp); |
| 861 // in query string format | |
| 862 opts = parseQueryString(cp); | |
|
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|
863 } |
| 709 | 864 data.dlOpts = opts; |
| 865 // birdview option | |
| 866 if (opts.birdview != null) { | |
| 867 settings.isBirdDivVisible = opts.birdview === '1'; | |
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868 } |
| 709 | 869 // visible button sets |
| 870 if (opts.buttons != null) { | |
| 871 settings.visibleButtonSets = opts.buttons; | |
|
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872 } |
| 711 | 873 }; |
| 709 | 874 |
| 949 | 875 /** (re)load the image with the current settings. |
| 876 * | |
| 877 */ | |
|
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|
878 var redisplay = function (data) { |
| 1031 | 879 var settings = data.settings; |
| 880 if (settings.autoBirdDiv) { | |
| 881 settings.isBirdDivVisible = !isFullArea(data.zoomArea); | |
| 882 } | |
| 636 | 883 if (settings.interactionMode === 'fullscreen') { |
| 884 // update location.href (browser URL) in fullscreen mode | |
|
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|
885 var url = getDigilibUrl(data); |
| 636 | 886 var history = window.history; |
| 942 | 887 if (data.hasAsyncReload) { |
|
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|
888 console.debug("faking reload to "+url); |
|
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|
889 // change url without reloading (stateObj, title, url) |
|
890
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|
890 // TODO: we really need to push the state in stateObj and listen to pop-events |
|
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|
891 try { |
| 1015 | 892 history.replaceState({}, '', url); |
| 893 // show busy cursor | |
| 894 $('body').css('cursor', 'progress'); | |
| 895 data.$scaler.css('cursor', 'progress'); | |
| 896 // change img src | |
| 897 var $img = data.$img; | |
| 898 var imgurl = getScalerUrl(data); | |
| 899 $img.attr('src', imgurl); | |
| 900 // trigger load event if image is cached. Doesn't work with Firefox!! | |
| 901 if (data.hasCachedComplete && $img.prop('complete')) { | |
| 902 console.debug("cached img.load"); | |
| 903 $img.trigger('load'); | |
| 904 } | |
| 905 if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { | |
| 906 // we need image info, do we have it? | |
| 907 if (data.imgInfo == null) { | |
| 908 loadImageInfo(data); | |
| 909 } | |
| 910 } | |
| 911 // update if we have a preview | |
| 912 if (data.hasPreviewBg) { | |
| 913 $(data).trigger('update'); | |
| 914 } | |
| 915 //FIXME: highlightButtons(data); | |
| 916 // send event | |
| 917 $(data).trigger('redisplay'); | |
|
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918 } catch (e) { |
| 1015 | 919 console.error("replaceState("+url+") didn't work: "+e); |
|
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920 // reload window |
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921 window.location = url; |
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922 } |
|
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923 } else { |
|
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924 // reload window |
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925 window.location = url; |
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|
926 } |
| 636 | 927 } else { |
| 928 // embedded mode -- just change img src | |
| 1015 | 929 // show busy cursor |
| 930 $('body').css('cursor', 'progress'); | |
| 931 data.$scaler.css('cursor', 'progress'); | |
| 932 var $img = data.$img; | |
| 636 | 933 var url = getScalerUrl(data); |
| 949 | 934 $img.attr('src', url); |
| 1015 | 935 // trigger load event if image is cached |
| 936 if ($img.prop('complete')) $img.trigger('load'); | |
| 937 if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { | |
| 938 // we need image info, do we have it? | |
| 939 if (data.imgInfo == null) { | |
| 940 loadImageInfo(data); | |
| 941 } | |
| 942 } | |
| 949 | 943 //FIXME: highlightButtons(data); |
| 795 | 944 // send event |
| 945 $(data).trigger('redisplay'); | |
|
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|
946 } |
| 622 | 947 }; |
| 948 | |
| 949 | 949 /** update display (overlays etc.) |
| 950 * (just triggers "update" event) | |
| 951 */ | |
| 767 | 952 var updateDisplay = function (data) { |
| 947 | 953 // send event |
| 954 $(data).trigger('update'); | |
| 955 }; | |
| 956 | |
| 949 | 957 /** handle "update" display event. |
|
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|
958 * updates image transform, etc. |
| 949 | 959 */ |
| 947 | 960 var handleUpdate = function (evt) { |
| 1015 | 961 var data = this; |
| 767 | 962 updateImgTrafo(data); |
| 963 setupZoomDrag(data); | |
| 964 }; | |
| 974 | 965 |
| 984 | 966 /** |
| 967 * returns maximum size for scaler img in fullscreen mode. | |
| 949 | 968 */ |
| 778 | 969 var getFullscreenImgSize = function (data) { |
|
989
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|
970 //var mode = data.settings.interactionMode; |
| 662 | 971 var $win = $(window); |
| 972 var winH = $win.height(); | |
| 779 | 973 var winW = $win.width(); |
|
989
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|
974 // add all current insets |
|
991
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|
975 // accounting for left/right border, body margins and additional requirements |
|
989
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|
976 var insets = { 'x' : 0, 'y' : 0}; |
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977 for (var n in data.currentInsets) { |
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978 insets.x += data.currentInsets[n].x; |
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979 insets.y += data.currentInsets[n].y; |
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980 }; |
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981 var imgW = winW - insets.x; |
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982 var imgH = winH - insets.y; |
| 998 | 983 console.debug('getFullscreenImgSize - screen w/h:', winW, winH, 'window.width', $win.width(), 'img w/h:', imgW, imgH); |
|
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984 return geom.size(imgW, imgH); |
| 662 | 985 }; |
| 986 | |
| 984 | 987 /** |
| 988 * returns a rectangle.with the fullscreen dimensions | |
| 974 | 989 */ |
| 990 var getFullscreenRect = function (data) { | |
| 991 return geom.rectangle(getFullscreenImgSize(data)); | |
| 992 }; | |
| 993 | |
| 984 | 994 /** |
| 995 * creates HTML structure for digilib in elem | |
| 949 | 996 */ |
| 627 | 997 var setupScalerDiv = function (data) { |
| 998 var settings = data.settings; | |
| 647 | 999 var $elem = data.$elem; |
| 996 | 1000 var cssPrefix = settings.cssPrefix; |
| 1001 $elem.addClass(cssPrefix+'digilib'); | |
| 728 | 1002 var $img; |
| 1003 var scalerUrl; | |
| 608 | 1004 if (settings.interactionMode === 'fullscreen') { |
| 728 | 1005 // fullscreen |
| 995 | 1006 $elem.addClass(cssPrefix+'fullscreen'); |
| 778 | 1007 var imgSize = getFullscreenImgSize(data); |
| 1012 | 1008 data.maxImgSize = imgSize; |
| 650 | 1009 // fitwidth/height omits destination height/width |
| 728 | 1010 if (data.dlOpts.fitheight == null) { |
| 650 | 1011 settings.dw = imgSize.width; |
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1012 } |
| 728 | 1013 if (data.dlOpts.fitwidth == null) { |
| 650 | 1014 settings.dh = imgSize.height; |
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1015 } |
| 686 | 1016 scalerUrl = getScalerUrl(data); |
| 728 | 1017 $img = $('<img/>'); |
| 609 | 1018 } else { |
| 728 | 1019 // embedded mode -- try to keep img tag |
| 1015 | 1020 data.maxImgSize = geom.rectangle($elem).getSize(); |
| 995 | 1021 $elem.addClass(cssPrefix+'embedded'); |
| 728 | 1022 scalerUrl = getScalerUrl(data); |
| 623 | 1023 $img = $elem.find('img'); |
|
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1024 if ($img.length > 0) { |
|
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1025 var oldUrl = $img.attr('src'); |
|
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1026 // keep img attributes from html |
|
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|
1027 var title = $img.attr('title'); |
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1028 var alt = $img.attr('alt'); |
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1029 if (oldUrl === scalerUrl) { |
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|
1030 console.debug("img detach:", $img); |
|
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keep title and alt attributes from HTML for scaler img
hertzhaft
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diff
changeset
|
1031 $img.detach(); |
|
80cc227c1d50
keep title and alt attributes from HTML for scaler img
hertzhaft
parents:
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diff
changeset
|
1032 } else { |
|
80cc227c1d50
keep title and alt attributes from HTML for scaler img
hertzhaft
parents:
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diff
changeset
|
1033 $img = $('<img/>'); |
|
80cc227c1d50
keep title and alt attributes from HTML for scaler img
hertzhaft
parents:
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diff
changeset
|
1034 $img.attr("title", title); |
|
80cc227c1d50
keep title and alt attributes from HTML for scaler img
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parents:
869
diff
changeset
|
1035 $img.attr("alt", alt); |
| 728 | 1036 } |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1037 } else { |
|
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1038 $img = $('<img/>'); |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1039 } |
| 608 | 1040 } |
| 822 | 1041 // create new inner html, keeping buttons and content marked with "keep" class |
| 996 | 1042 $elem.contents(':not(.'+cssPrefix+'keep)').remove(); |
| 995 | 1043 var $scaler = $('<div class="'+cssPrefix+'scaler"/>'); |
| 779 | 1044 // scaler should be the first child element? |
| 1045 $elem.prepend($scaler); | |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1046 $scaler.append($img); |
| 995 | 1047 $img.addClass(cssPrefix+'pic'); |
| 649 | 1048 data.$scaler = $scaler; |
| 636 | 1049 data.$img = $img; |
| 947 | 1050 // set busy cursor |
| 1051 $('body').css('cursor','progress'); | |
| 1015 | 1052 data.$scaler.css('cursor', 'progress'); |
| 942 | 1053 // set up image load handler before setting the src attribute (IE bug) |
| 687 | 1054 $img.load(scalerImgLoadedHandler(data)); |
| 767 | 1055 $img.error(function () {console.error("error loading scaler image");}); |
| 687 | 1056 $img.attr('src', scalerUrl); |
| 608 | 1057 }; |
| 615 | 1058 |
| 1052 | 1059 /** shows some div (toggle visibility if show is null) |
| 949 | 1060 * |
| 1061 */ | |
| 635 | 1062 var showDiv = function (isVisible, $div, show) { |
| 645 | 1063 if (show == null) { |
| 635 | 1064 // toggle visibility |
| 1065 isVisible = !isVisible; | |
| 1066 } else { | |
| 1067 // set visibility | |
| 1068 isVisible = show; | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
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diff
changeset
|
1069 } |
| 635 | 1070 if (isVisible) { |
| 1071 $div.fadeIn(); | |
| 1072 } else { | |
| 1073 $div.fadeOut(); | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
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parents:
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diff
changeset
|
1074 } |
| 635 | 1075 return isVisible; |
| 634 | 1076 }; |
| 616 | 1077 |
| 949 | 1078 /** Create Transform from zoom area and image size and parameters. |
| 1079 * Returns Transform between normalized coordinates and image pixel coordinates. | |
| 1080 */ | |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1081 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, 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
|
1082 var picrect = geom.rectangle($img); |
| 949 | 1083 // handle pixel-by-pixel and original-size modes |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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diff
changeset
|
1084 if (mode != null) { |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
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diff
changeset
|
1085 var imgInfo = data.imgInfo; |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
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761
diff
changeset
|
1086 if (mode === 'pixel') { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
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diff
changeset
|
1087 // 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)
robcast
parents:
761
diff
changeset
|
1088 if (imgInfo != null) { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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diff
changeset
|
1089 area.width = picrect.width / imgInfo.width; |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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diff
changeset
|
1090 area.height = picrect.height / imgInfo.height; |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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parents:
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diff
changeset
|
1091 } else { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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diff
changeset
|
1092 console.error("No image info for pixel mode!"); |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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diff
changeset
|
1093 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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diff
changeset
|
1094 } |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
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diff
changeset
|
1095 if (mode === 'size') { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
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diff
changeset
|
1096 // scaler mo=osize - image area size does not come from ww, wh |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
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diff
changeset
|
1097 if (imgInfo != null) { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
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769
diff
changeset
|
1098 var ddpi = parseFloat(data.settings.ddpi); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
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diff
changeset
|
1099 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
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diff
changeset
|
1100 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
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parents:
769
diff
changeset
|
1101 } else { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
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diff
changeset
|
1102 console.error("No image info for original size mode!"); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
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diff
changeset
|
1103 } |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1104 } |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1105 } |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
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656
diff
changeset
|
1106 var trafo = geom.transform(); |
| 675 | 1107 // move zoom area offset to center |
|
658
9ddcf0070122
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robcast
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diff
changeset
|
1108 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1109 // scale zoom area size to [1,1] |
|
658
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split bird's view code in two more parts, analog to scaler-img code.
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parents:
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diff
changeset
|
1110 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1111 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1112 if (rot || hmir || vmir) { | |
| 1113 // move [0.5,0.5] to center | |
| 1114 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1115 if (hmir) { | |
| 1116 // mirror about center | |
| 1117 trafo.concat(trafo.getMirror('y')); | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1118 } |
| 675 | 1119 if (vmir) { |
| 1120 // mirror about center | |
| 1121 trafo.concat(trafo.getMirror('x')); | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1122 } |
| 675 | 1123 if (rot) { |
| 1124 // rotate around center | |
| 1125 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1126 } |
| 675 | 1127 // move back |
| 1128 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1129 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1130 // scale to screen position and size |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1131 trafo.concat(trafo.getScale(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1132 trafo.concat(trafo.getTranslation(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1133 return trafo; |
| 655 | 1134 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1135 |
| 949 | 1136 /** update current scaler image transform |
| 1137 */ | |
| 767 | 1138 var updateImgTrafo = function (data) { |
| 1139 var $img = data.$img; | |
| 895 | 1140 if ($img == null) |
| 1141 return; | |
| 1142 var imgLoaded = $.browser.msie | |
| 949 | 1143 ? $img.prop('width') > 0 |
| 1144 : $img.prop('complete'); | |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1145 if (imgLoaded || data.hasPreviewBg) { |
| 1015 | 1146 // create Transform from current zoomArea and image size |
| 1147 data.imgTrafo = getImgTrafo($img, data.zoomArea, data.settings.rot, | |
| 1148 data.scalerFlags.hmir, data.scalerFlags.vmir, | |
| 1149 data.scaleMode, data); | |
| 1150 console.debug("updateImgTrafo: ", data.imgTrafo); | |
| 1151 } | |
| 767 | 1152 }; |
| 775 | 1153 |
| 949 | 1154 /** return handler for load event of scaler img |
| 1155 * (necessary for closure with data object) | |
| 1156 */ | |
| 767 | 1157 var scalerImgLoadedHandler = function (data) { |
| 1158 return function () { | |
| 1159 var $img = $(this); | |
| 1160 console.debug("scaler img loaded=",$img); | |
| 1161 var $scaler = data.$scaler; | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1162 var imgRect = geom.rectangle($img); |
| 931 | 1163 data.imgRect = imgRect; |
| 1015 | 1164 // reset busy cursor |
| 1165 $('body').css('cursor', 'auto'); | |
| 1166 $scaler.css('cursor', 'auto'); | |
| 957 | 1167 // adjust scaler div size (beware: setting position makes the element relative) |
| 1168 imgRect.getSize().adjustDiv($scaler); | |
| 715 | 1169 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1170 $img.css('visibility', 'visible'); |
|
1019
287e2d2d2ae8
fix flicker in Firefox by leaving scaler background visible.
robcast
parents:
1018
diff
changeset
|
1171 $scaler.css({'opacity' : '1'}); |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1172 data.hasPreviewBg = false; |
| 767 | 1173 // update display (render marks, etc.) |
| 1174 updateDisplay(data); | |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1175 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1176 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1177 |
| 949 | 1178 /** handle imageInfo loaded event |
| 1179 * | |
| 1180 */ | |
| 797 | 1181 var handleImageInfo = function (evt, json) { |
| 1015 | 1182 console.debug("handleImageInfo:", json); |
| 797 | 1183 var data = this; |
| 1184 updateDisplay(data); | |
| 1185 }; | |
| 813 | 1186 |
| 949 | 1187 /** handle changeZoomArea event |
| 1188 * | |
| 1189 */ | |
| 942 | 1190 var handleChangeZoomArea = function (evt, newZa) { |
| 1015 | 1191 console.debug("handleChangeZoomArea:", newZa); |
| 1192 var data = this; | |
| 1193 // hide all overlays (marks/regions) | |
| 996 | 1194 data.$elem.find('.'+data.settings.cssPrefix+'overlay').hide(); |
| 1015 | 1195 setPreviewBg(data, newZa); |
| 942 | 1196 }; |
| 1015 | 1197 |
| 949 | 1198 /** zoom by the given factor. |
| 1199 * | |
| 1200 */ | |
| 643 | 1201 var zoomBy = function(data, factor) { |
| 1202 var area = data.zoomArea; | |
| 1203 var newarea = area.copy(); | |
| 1204 // scale | |
| 1205 newarea.width /= factor; | |
| 1206 newarea.height /= factor; | |
| 1207 // and recenter | |
| 1208 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1209 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1210 newarea = FULL_AREA.fit(newarea); |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1211 setZoomArea(data, newarea); |
| 972 | 1212 // reset modes |
| 1213 setScaleMode(data, 'screen'); | |
| 1214 setFitMode(data, 'both'); | |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1215 redisplay(data); |
| 643 | 1216 }; |
| 1217 | |
| 949 | 1218 /** zoom to the area around two clicked points. |
| 1219 * | |
| 1220 */ | |
| 654 | 1221 var zoomArea = function(data) { |
| 1222 $elem = data.$elem; | |
| 1223 $scaler = data.$scaler; | |
| 1224 var pt1, pt2; | |
| 996 | 1225 var $zoomDiv = $('<div class="'+data.settings.cssPrefix+'zoomrect" style="display:none"/>'); |
| 654 | 1226 $elem.append($zoomDiv); |
| 775 | 1227 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 654 | 1228 var picRect = geom.rectangle($scaler); |
| 1229 // FIX ME: is there a way to query the border width from CSS info? | |
| 1230 // rect.x -= 2; // account for overlay borders | |
| 1231 // rect.y -= 2; | |
| 1232 | |
| 1233 var zoomStart = function (evt) { | |
| 1234 pt1 = geom.position(evt); | |
| 1235 // setup and show zoom div | |
| 738 | 1236 pt1.adjustDiv($zoomDiv); |
| 668 | 1237 $zoomDiv.width(0).height(0); |
| 654 | 1238 $zoomDiv.show(); |
| 1239 // register events | |
| 917 | 1240 $elem.on("mousemove.dlZoomArea", zoomMove); |
| 1241 $elem.on("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1242 return false; |
| 1243 }; | |
| 668 | 1244 |
| 741 | 1245 // mouse move handler |
| 1246 var zoomMove = function (evt) { | |
| 1247 pt2 = geom.position(evt); | |
| 1248 var rect = geom.rectangle(pt1, pt2); | |
| 1249 rect.clipTo(picRect); | |
| 1250 // update zoom div | |
| 1251 rect.adjustDiv($zoomDiv); | |
| 1252 return false; | |
| 1253 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1254 |
| 654 | 1255 // mouseup handler: end moving |
| 1256 var zoomEnd = function (evt) { | |
| 1257 pt2 = geom.position(evt); | |
| 1258 // assume a click and continue if the area is too small | |
| 1259 var clickRect = geom.rectangle(pt1, pt2); | |
| 710 | 1260 if (clickRect.getArea() <= 5) return false; |
| 654 | 1261 // hide zoom div |
| 1262 $zoomDiv.remove(); | |
| 1263 // unregister events | |
| 917 | 1264 $elem.off("mousemove.dlZoomArea", zoomMove); |
| 1265 $elem.off("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1266 // clip and transform |
| 1267 clickRect.clipTo(picRect); | |
| 1268 var area = data.imgTrafo.invtransform(clickRect); | |
|
951
9c699b6cfcca
preview for ZoomArea. shows distortions when changing aspect ratio.
robcast
parents:
950
diff
changeset
|
1269 setZoomArea(data, area); |
| 972 | 1270 // reset modes |
| 1271 setFitMode(data, 'both'); | |
| 1272 setScaleMode(data, 'screen'); | |
| 654 | 1273 redisplay(data); |
| 1274 return false; | |
| 1275 }; | |
| 668 | 1276 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1277 // clear old handler (also ZoomDrag) |
| 917 | 1278 $scaler.off('.dlZoomArea'); |
| 1279 $scaler.off(".dlZoomDrag"); | |
| 1280 $elem.off('.dlZoomArea'); | |
| 654 | 1281 // bind start zoom handler |
| 738 | 1282 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 654 | 1283 }; |
| 647 | 1284 |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1285 /** set preview background. |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1286 * optional newZoomArea scales and moves background to preview. |
| 949 | 1287 */ |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1288 var setPreviewBg = function(data, newZoomArea) { |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1289 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1290 var $img = data.$img; |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1291 var imgTrafo = data.imgTrafo; |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1292 var scalerPos = geom.position($scaler); |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1293 var bgRect = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1294 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1295 $img.css('visibility', 'hidden'); |
|
918
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1296 // use current image as first background |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1297 var scalerCss = { |
| 1015 | 1298 'background-image' : 'url(' + $img.attr('src') + ')', |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1299 'background-repeat' : 'no-repeat', |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1300 'background-position' : '0px 0px', |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1301 'opacity' : '0.7', |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
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diff
changeset
|
1302 'cursor' : 'move' |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1303 }; |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1304 if (newZoomArea != null) { |
| 1015 | 1305 // check if aspect ratio has changed |
| 1306 if (Math.abs(newZoomArea.getAspect() - data.zoomArea.getAspect()) > 0.001 ) { | |
| 1307 var newRect = data.imgTrafo.transform(newZoomArea); | |
| 1308 var newAspect = newRect.getAspect(); | |
| 1309 var newSize = data.maxImgSize.fitAspect(newAspect); | |
| 1310 // set scaler to presumed new size | |
| 1311 newSize.adjustDiv($scaler); | |
| 1312 console.debug("adjusting aspect ratio for preview", data.maxImgSize, newSize); | |
| 1313 } | |
| 1314 // get transform for new zoomArea (use 'screen' instead of data.scaleMode) | |
| 1315 imgTrafo = getImgTrafo($scaler, newZoomArea, data.settings.rot, | |
| 1316 data.scalerFlags.hmir, data.scalerFlags.vmir, | |
| 1317 'screen', data); | |
| 1318 // for new background coordinates transform old zoomArea with new Transform | |
| 1319 bgRect = imgTrafo.transform(data.zoomArea); | |
| 1320 // correct offset because background is relative | |
| 1321 bgRect.addPosition(scalerPos.neg()); | |
| 1322 // position background | |
| 1323 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
|
1324 } |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1325 if (data.hasBgSize) { |
| 1015 | 1326 // scale background using CSS3-background-size |
| 1327 if (bgRect != null && (bgRect.height < data.settings.maxBgSize && bgRect.width < data.settings.maxBgSize)) { | |
| 1328 scalerCss[data.bgSizeName] = Math.round(bgRect.width) + 'px ' + Math.round(bgRect.height) + 'px'; | |
| 1329 } else { | |
| 1330 scalerCss[data.bgSizeName] = 'auto'; | |
| 1331 } | |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1332 // additional full-size background using CSS3 |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1333 fullRect = imgTrafo.transform(FULL_AREA); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1334 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
|
1335 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1336 fullRect.addPosition(scalerPos.neg()); |
| 954 | 1337 var url = getPreviewImgUrl(data); |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1338 // 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
|
1339 scalerCss['background-image'] += ', url(' + url + ')'; |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1340 scalerCss[data.bgSizeName] += ', ' + Math.round(fullRect.width) + 'px ' + Math.round(fullRect.height) + 'px'; |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1341 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
|
1342 } |
|
918
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1343 } |
|
f7869186ccb2
use current size background as well as scaled full-size background when dragging
robcast
parents:
917
diff
changeset
|
1344 $scaler.css(scalerCss); |
| 942 | 1345 data.hasPreviewBg = true; |
|
929
e881ab1c2f47
first step to "preview" like zoom-drag for more operations
robcast
parents:
928
diff
changeset
|
1346 }; |
| 1015 | 1347 |
| 949 | 1348 /** setup handlers for dragging the zoomed image. |
| 1349 * | |
| 1350 */ | |
| 705 | 1351 var setupZoomDrag = function(data) { |
| 942 | 1352 var startPos, delta; |
| 733 | 1353 var $document = $(document); |
| 795 | 1354 var $data = $(data); |
| 705 | 1355 var $elem = data.$elem; |
| 1356 var $scaler = data.$scaler; | |
| 1357 var $img = data.$img; | |
| 710 | 1358 |
| 733 | 1359 // drag the image and load a new detail on mouse up |
| 705 | 1360 var dragStart = function (evt) { |
| 1015 | 1361 // cancel if not left-click |
| 1362 if (evt.which != 1) return; | |
| 813 | 1363 console.debug("dragstart at=", evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1364 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1365 if (isFullArea(data.zoomArea)) return false; |
| 813 | 1366 $elem.find(".overlay").hide(); // hide all overlays (marks/regions) |
| 733 | 1367 startPos = geom.position(evt); |
| 741 | 1368 delta = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1369 // set low res background immediately on mousedown |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1370 setPreviewBg(data); |
| 917 | 1371 $document.on("mousemove.dlZoomDrag", dragMove); |
| 1372 $document.on("mouseup.dlZoomDrag", dragEnd); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1373 return false; |
| 705 | 1374 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1375 |
| 733 | 1376 // mousemove handler: drag zoomed image |
| 705 | 1377 var dragMove = function (evt) { |
| 1378 var pos = geom.position(evt); | |
| 741 | 1379 delta = startPos.delta(pos); |
|
807
1b1728926534
geometry: overlapsRect() plus some comment clarifications
hertzhaft
parents:
799
diff
changeset
|
1380 // send message event with current zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1381 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1382 za.addPosition(delta.neg()); |
| 947 | 1383 // transform back |
| 1384 var newArea = data.imgTrafo.invtransform(za); | |
| 1385 $data.trigger('changeZoomArea', newArea); | |
| 705 | 1386 return false; |
| 1387 }; | |
| 710 | 1388 |
| 733 | 1389 // mouseup handler: reload zoomed image in new position |
| 705 | 1390 var dragEnd = function (evt) { |
| 739 | 1391 $scaler.css('cursor', 'auto'); |
| 917 | 1392 $document.off("mousemove.dlZoomDrag", dragMove); |
| 1393 $document.off("mouseup.dlZoomDrag", dragEnd); | |
| 733 | 1394 if (delta == null || delta.distance() < 2) { |
| 1395 // no movement | |
| 1396 $img.css('visibility', 'visible'); | |
| 741 | 1397 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 944 | 1398 data.hasPreviewBg = false; |
| 993 | 1399 // unhide marks etc. |
| 1400 updateDisplay(data); | |
| 733 | 1401 return false; |
| 1402 } | |
| 1403 // get old zoom area (screen coordinates) | |
| 741 | 1404 var za = geom.rectangle($img); |
| 733 | 1405 // move |
| 741 | 1406 za.addPosition(delta.neg()); |
| 733 | 1407 // transform back |
| 1408 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1409 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1410 redisplay(data); |
| 705 | 1411 return false; |
| 1412 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1413 |
| 733 | 1414 // clear old handler |
| 917 | 1415 $document.off(".dlZoomDrag"); |
| 1416 $scaler.off(".dlZoomDrag"); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1417 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1418 // set handler |
| 917 | 1419 $scaler.on("mousedown.dlZoomDrag", dragStart); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1420 } |
| 705 | 1421 }; |
| 1422 | |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1423 /** set the zoom area. |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1424 * also triggers "changeZoomArea" event. |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1425 */ |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1426 var setZoomArea = function(data, za) { |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1427 $(data).trigger('changeZoomArea', za); |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1428 data.oldZoomArea = data.zoomArea; |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1429 data.zoomArea = za; |
|
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
robcast
parents:
949
diff
changeset
|
1430 }; |
| 1012 | 1431 |
| 949 | 1432 /** get image quality as a number (0..2). |
| 1433 * | |
| 1434 */ | |
| 703 | 1435 var getQuality = function (data) { |
| 1436 var flags = data.scalerFlags; | |
| 1437 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1438 return parseInt(q[1], 10); | |
| 706 | 1439 }; |
| 703 | 1440 |
| 949 | 1441 /** set image quality as a number (0..2). |
| 1442 * | |
| 1443 */ | |
| 703 | 1444 var setQuality = function (data, qual) { |
| 1445 var flags = data.scalerFlags; | |
| 1446 // clear flags | |
| 1447 for (var i = 0; i < 3; ++i) { | |
| 1448 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1449 } |
| 703 | 1450 flags['q'+qual] = 'q'+qual; |
| 706 | 1451 }; |
| 710 | 1452 |
| 949 | 1453 /** get image scale mode (screen, pixel, size). |
| 1454 * | |
| 1455 */ | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1456 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1457 if (data.scalerFlags.clip != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1458 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1459 } else if (data.scalerFlags.osize != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1460 return 'size'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1461 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1462 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1463 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1464 }; |
| 775 | 1465 |
| 949 | 1466 /** set image scale mode (screen, pixel, size). |
| 1467 * | |
| 1468 */ | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1469 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1470 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1471 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1472 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1473 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1474 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1475 } else if (mode === 'size') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1476 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1477 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1478 // mo=fit is default |
| 972 | 1479 // save mode |
| 1480 data.scaleMode = mode; | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1481 }; |
| 775 | 1482 |
| 972 | 1483 /** get screen fit mode (width, height, both). |
| 1484 * | |
| 1485 */ | |
| 1486 var getFitMode = function (data) { | |
| 1015 | 1487 if (data.dlOpts.fitwidth != null) { |
| 1488 return "width"; | |
| 1489 } else if (data.dlOpts.fitheight != null) { | |
| 1490 return "height"; | |
| 1491 } | |
| 1492 // "both" is default | |
| 1493 return "both"; | |
| 972 | 1494 }; |
| 1012 | 1495 |
| 972 | 1496 /** |
| 1497 * set screen fit mode (width, height, both). | |
| 1498 */ | |
| 1499 var setFitMode = function (data, mode) { | |
| 984 | 1500 var settings = data.settings; |
| 1012 | 1501 var imgSize = data.maxImgSize; |
| 1015 | 1502 if (mode === 'width') { |
| 1503 data.dlOpts.fitwidth = 1; | |
| 1504 delete data.dlOpts.fitheight; | |
| 1505 if (imgSize != null) { | |
| 1506 // fitwidth omits destination height | |
| 1507 settings.dw = imgSize.width; | |
| 1508 settings.dh = null; | |
| 1509 } | |
| 1510 } else if (mode === 'height') { | |
| 1511 data.dlOpts.fitheight = 1; | |
| 1512 delete data.dlOpts.fitwidth; | |
| 984 | 1513 if (imgSize != null) { |
| 1514 // fitheight omits destination width | |
| 1515 settings.dw = null; | |
| 1516 settings.dh = imgSize.height; | |
| 1517 } | |
| 1015 | 1518 } else { |
| 1519 delete data.dlOpts.fitwidth; | |
| 1520 delete data.dlOpts.fitheight; | |
| 984 | 1521 if (imgSize != null) { |
| 1522 settings.dw = imgSize.width; | |
| 1523 settings.dh = imgSize.height; | |
| 1524 } | |
| 1015 | 1525 } |
| 972 | 1526 }; |
| 1015 | 1527 |
| 949 | 1528 /** sets a key to a value (relative values with +/- if relative=true). |
| 1529 * | |
| 1530 */ | |
| 650 | 1531 var setNumValue = function(settings, key, value) { |
| 716 | 1532 if (value == null) return null; |
|
955
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
robcast
parents:
954
diff
changeset
|
1533 if (isNumber(value)) { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1534 settings[key] = value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1535 return value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1536 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1537 var sign = value[0]; |
| 650 | 1538 if (sign === '+' || sign === '-') { |
| 1539 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1540 // this isn't perfect but still... |
| 650 | 1541 settings[key] = 0; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1542 } |
| 650 | 1543 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1544 } else { | |
| 1545 settings[key] = value; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1546 } |
| 650 | 1547 return settings[key]; |
| 1548 }; | |
| 655 | 1549 |
| 949 | 1550 /** return width of border on $elem. |
| 1551 * assumes equal border width on all sides. | |
| 1552 */ | |
| 775 | 1553 var getBorderWidth = function($elem) { |
| 1554 var border = $elem.outerWidth() - $elem.width(); | |
| 1555 return border/2; | |
| 1556 }; | |
| 1557 | |
| 949 | 1558 /** return if the current zoomarea can be moved further. |
| 1559 * | |
| 1560 */ | |
| 878 | 1561 var canMove = function(data, movx, movy) { |
|
1075
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1562 |
| 878 | 1563 var za = data.zoomArea; |
| 1564 if (isFullArea(za)) return false; | |
|
1075
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1565 var dx = movx; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1566 var dy = movy; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1567 // 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
|
1568 var trafo = data.imgTrafo; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1569 if (trafo != null) { |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1570 dx = (trafo.m00 > 0) ? movx : -movx; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1571 dy = (trafo.m11 > 0) ? movy : -movy; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1572 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
|
1573 dx = (trafo.m01 > 0) ? -movy : movy; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
changeset
|
1574 dy = (trafo.m10 > 0) ? -movx : movx; |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
robcast
parents:
1060
diff
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|
1575 } |
|
1e4f4964e9c2
CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
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|
1576 } |
| 878 | 1577 var x2 = za.x + za.width; |
| 1578 var y2 = za.y + za.height; | |
|
1075
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CLOSED - # 25: scroll arrows have wrong direction with mirror and rot
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|
1579 return (((dx < 0) && (za.x > 0)) || ((dx > 0) && (x2 < 1.0)) || ((dy < 0) && (za.y > 0)) || ((dy > 0) && (y2 < 1.0))); |
| 878 | 1580 }; |
| 1581 | |
| 949 | 1582 /** return if area is maximal. |
| 1583 * | |
| 1584 */ | |
| 795 | 1585 var isFullArea = function (area) { |
| 659 | 1586 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1587 }; |
| 1588 | |
|
955
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
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diff
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|
1589 /** return if the argument is a number. |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
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diff
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|
1590 * from Douglas Crockford, A.10. |
|
c8c441d1d7a0
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diff
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|
1591 * this is different from $.isNumeric(). |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
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|
1592 */ |
|
c8c441d1d7a0
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diff
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|
1593 var isNumber = function (value) { |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
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diff
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|
1594 return typeof value === 'number' && isFinite(value); |
|
c8c441d1d7a0
fixed bug with prev/next page. (too quick in using jQuery functions)
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diff
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|
1595 }; |
| 949 | 1596 /** return number with reduced precision. |
| 1597 * ("crop senseless precision") | |
| 1598 */ | |
| 631 | 1599 var cropFloat = function (x) { |
| 637 | 1600 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1601 }; |
| 655 | 1602 |
| 949 | 1603 /** return string from number with reduced precision. |
| 1604 */ | |
| 813 | 1605 var cropFloatStr = function (x) { |
| 1606 return cropFloat(x).toString(); | |
| 1607 }; | |
| 1608 | |
| 1100 | 1609 /** |
| 1610 * returns if str ends with suffix. | |
| 1611 */ | |
| 1612 var endsWith = function (str, suffix) { | |
| 1613 return str.indexOf(suffix, str.length - suffix.length) !== -1; | |
| 1614 }; | |
| 1615 | |
|
1047
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
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|
1616 /** center an item on the visible screen rect |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
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|
1617 */ |
| 1021 | 1618 var centerOnScreen = function (data, $div) { |
|
1058
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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|
1619 if ($div == null) return; |
| 1021 | 1620 var r = geom.rectangle($div); |
| 1621 var s = fn.getFullscreenRect(data); | |
| 1622 r.setCenter(s.getCenter()); | |
| 1060 | 1623 r.getPosition().adjustDiv($div); |
| 1021 | 1624 }; |
| 1625 | |
|
1058
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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|
1626 /** find an element in digilib $elem |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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|
1627 */ |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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|
1628 var find = function (data, selector) { |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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|
1629 var $obj = data.$elem.find(selector); |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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|
1630 return ($obj.length > 0) ? $obj : null; |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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|
1631 }; |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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|
1632 |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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|
1633 /** does element exist in digilib? |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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diff
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|
1634 */ |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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diff
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|
1635 var isOnScreen = function (data, selector) { |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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parents:
1053
diff
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|
1636 var $obj = find(data, selector); |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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diff
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|
1637 return ($obj != null); |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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parents:
1053
diff
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|
1638 }; |
|
95d28c6ad018
rgb slider now gets/sets values, plus some refactoring
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parents:
1053
diff
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|
1639 |
|
1047
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
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1031
diff
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|
1640 /** fade out and remove an item |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
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1031
diff
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|
1641 */ |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
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diff
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|
1642 var withdraw = function ($item) { |
|
4f17420392a9
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diff
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|
1643 $item.fadeOut(function () { |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
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diff
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|
1644 $item.remove(); |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
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|
1645 }); |
|
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factor out calibration/scalemode to new dialogs plugin
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|
1646 }; |
|
4f17420392a9
factor out calibration/scalemode to new dialogs plugin
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|
1647 |
|
4f17420392a9
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diff
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|
1648 |
| 692 | 1649 // fallback for console.log calls |
| 1650 if (customConsole) { | |
| 1651 var logFunction = function(type) { | |
| 1652 return function(){ | |
| 996 | 1653 var $debug = $('#'+defaults.cssPrefix+'debug'); // debug div |
| 692 | 1654 if (!$debug) return; |
| 1655 var args = Array.prototype.slice.call(arguments); | |
| 1656 var argtext = args.join(' '); | |
| 1657 var $logDiv = $('<div/>'); | |
| 1658 $logDiv.addClass(type); | |
| 1659 $logDiv.text(argtext); | |
| 1660 $debug.append($logDiv); | |
| 1661 }; | |
| 1662 }; | |
| 1663 console.log = logFunction('_log'); | |
| 1664 console.debug = logFunction('_debug'); | |
| 1665 console.error = logFunction('_error'); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
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diff
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|
1666 } |
| 692 | 1667 |
| 949 | 1668 /** functions to export to plugins. |
| 1669 */ | |
| 787 | 1670 fn = { |
| 791 | 1671 geometry : geom, |
| 787 | 1672 parseQueryString : parseQueryString, |
| 1673 getScalerUrl : getScalerUrl, | |
| 1674 getParamString : getParamString, | |
| 1675 getDigilibUrl : getDigilibUrl, | |
| 1676 unpackParams : unpackParams, | |
| 1677 packParams : packParams, | |
| 822 | 1678 packArea : packArea, |
| 1679 packScalerFlags : packScalerFlags, | |
| 795 | 1680 storeOptions : storeOptions, |
| 787 | 1681 redisplay : redisplay, |
| 1682 updateDisplay : updateDisplay, | |
| 791 | 1683 showDiv : showDiv, |
| 983 | 1684 setZoomArea : setZoomArea, |
|
950
164d69e2c481
much nicer implementation of preview for scrolling and zooming.
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949
diff
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|
1685 setPreviewBg : setPreviewBg, |
| 787 | 1686 getImgTrafo : getImgTrafo, |
| 1687 getQuality : getQuality, | |
| 1688 setQuality : setQuality, | |
| 1689 getScaleMode : getScaleMode, | |
| 1690 setScaleMode : setScaleMode, | |
| 972 | 1691 getFitMode : getFitMode, |
| 1692 setFitMode : setFitMode, | |
| 878 | 1693 canMove : canMove, |
| 795 | 1694 isFullArea : isFullArea, |
| 978 | 1695 isNumber : isNumber, |
| 974 | 1696 getFullscreenRect : getFullscreenRect, |
| 813 | 1697 getBorderWidth : getBorderWidth, |
| 1698 cropFloat : cropFloat, | |
| 1021 | 1699 cropFloatStr : cropFloatStr, |
| 1100 | 1700 endsWith : endsWith, |
|
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diff
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|
1701 centerOnScreen : centerOnScreen, |
|
1058
95d28c6ad018
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1053
diff
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|
1702 withdraw : withdraw, |
|
95d28c6ad018
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1053
diff
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|
1703 isOnScreen : isOnScreen, |
|
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1053
diff
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|
1704 find : find |
| 787 | 1705 }; |
| 788 | 1706 |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
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diff
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|
1707 // hook digilib plugin into jquery |
| 785 | 1708 $.fn.digilib = function (action) { |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
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diff
changeset
|
1709 // plugin extension mechanism, called when the plugins' code is read |
| 786 | 1710 if (action === 'plugin') { |
| 1711 var plugin = arguments[1]; | |
| 1712 // each plugin needs a name | |
| 1713 if (plugin.name != null) { | |
| 1714 plugins[plugin.name] = plugin; | |
|
793
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
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diff
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|
1715 // share common objects |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
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diff
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|
1716 plugin.defaults = defaults; |
| 947 | 1717 plugin.buttons = buttons; |
|
793
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
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diff
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|
1718 plugin.actions = actions; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
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diff
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|
1719 plugin.fn = fn; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
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diff
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|
1720 plugin.plugins = plugins; |
|
63c1b33e38b1
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diff
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|
1721 // and install |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
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diff
changeset
|
1722 if (typeof plugin.install === 'function') { |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
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diff
changeset
|
1723 plugin.install(plugin); |
|
63c1b33e38b1
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diff
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|
1724 } |
| 786 | 1725 } |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
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diff
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|
1726 // plugins will be initialised when action.init is called |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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diff
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|
1727 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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diff
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|
1728 // call action on this with the remaining arguments (inserting data as first argument) |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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diff
changeset
|
1729 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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diff
changeset
|
1730 var data = $elem.data('digilib'); |
|
694bdb86cbad
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diff
changeset
|
1731 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
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diff
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|
1732 args.unshift(data); |
|
694bdb86cbad
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diff
changeset
|
1733 return actions[action].apply(this, args); |
|
798
b07d1824ca2a
fullscreen mode works without reload on browsers supporting history.pushstate!
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diff
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|
1734 } else if (typeof action === 'object' || !action) { |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
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diff
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|
1735 // call init on the digilib jQuery object |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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diff
changeset
|
1736 return actions.init.apply(this, arguments); |
| 605 | 1737 } else { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
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diff
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|
1738 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
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more cosmetics: added options to validate with http://www.jslint.com
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diff
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|
1739 } |
| 605 | 1740 }; |
| 692 | 1741 |
|
991
497ab03868ab
moved marks to separate plugin. (pack and unpack is still in digilib.js)
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diff
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|
1742 })(jQuery); |