Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 785:4091b0e4dfd7 jquery
first step to a regions plugin
| author | hertzhaft |
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| date | Fri, 18 Feb 2011 11:11:49 +0100 |
| parents | 966d5c938b4c |
| children | 1eef3e7a2270 |
| 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 /** |
| 597 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
| 760 | 24 /*jslint browser: true, debug: true, forin: true |
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25 */ |
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26 |
| 629 | 27 // fallback for console.log calls |
| 28 if (typeof(console) === 'undefined') { | |
| 29 var console = { | |
| 685 | 30 log : function(){}, |
| 31 debug : function(){}, | |
| 32 error : function(){} | |
| 33 }; | |
| 772 | 34 var customConsole = false; // set to true if debugging for MS IE |
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35 } |
| 597 | 36 |
| 37 (function($) { | |
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38 var buttons = { |
| 603 | 39 reference : { |
| 682 | 40 onclick : "reference", |
| 603 | 41 tooltip : "get a reference URL", |
| 758 | 42 icon : "reference.png" |
| 603 | 43 }, |
| 44 zoomin : { | |
| 636 | 45 onclick : ["zoomBy", 1.4], |
| 603 | 46 tooltip : "zoom in", |
| 758 | 47 icon : "zoom-in.png" |
| 603 | 48 }, |
| 49 zoomout : { | |
| 636 | 50 onclick : ["zoomBy", 0.7], |
| 603 | 51 tooltip : "zoom out", |
| 758 | 52 icon : "zoom-out.png" |
| 603 | 53 }, |
| 54 zoomarea : { | |
| 647 | 55 onclick : "zoomArea", |
| 603 | 56 tooltip : "zoom area", |
| 758 | 57 icon : "zoom-area.png" |
| 603 | 58 }, |
| 59 zoomfull : { | |
| 643 | 60 onclick : "zoomFull", |
| 603 | 61 tooltip : "view the whole image", |
| 758 | 62 icon : "zoom-full.png" |
| 603 | 63 }, |
| 64 pagewidth : { | |
| 643 | 65 onclick : ["zoomFull", "width"], |
| 603 | 66 tooltip : "page width", |
| 758 | 67 icon : "pagewidth.png" |
| 603 | 68 }, |
| 69 back : { | |
| 616 | 70 onclick : ["gotoPage", "-1"], |
| 603 | 71 tooltip : "goto previous image", |
| 758 | 72 icon : "back.png" |
| 603 | 73 }, |
| 74 fwd : { | |
| 616 | 75 onclick : ["gotoPage", "+1"], |
| 603 | 76 tooltip : "goto next image", |
| 758 | 77 icon : "fwd.png" |
| 603 | 78 }, |
| 79 page : { | |
| 709 | 80 onclick : "gotoPage", |
| 81 tooltip : "goto image number", | |
| 758 | 82 icon : "page.png" |
| 603 | 83 }, |
| 84 bird : { | |
| 628 | 85 onclick : "showBirdDiv", |
| 603 | 86 tooltip : "show bird's eye view", |
| 758 | 87 icon : "birds-eye.png" |
| 603 | 88 }, |
| 89 help : { | |
| 628 | 90 onclick : "showAboutDiv", |
| 603 | 91 tooltip : "about Digilib", |
| 758 | 92 icon : "help.png" |
| 603 | 93 }, |
| 94 reset : { | |
| 681 | 95 onclick : "reset", |
| 603 | 96 tooltip : "reset image", |
| 758 | 97 icon : "reset.png" |
| 603 | 98 }, |
| 99 mark : { | |
| 640 | 100 onclick : "setMark", |
| 603 | 101 tooltip : "set a mark", |
| 758 | 102 icon : "mark.png" |
| 603 | 103 }, |
| 104 delmark : { | |
| 643 | 105 onclick : "removeMark", |
| 603 | 106 tooltip : "delete the last mark", |
| 758 | 107 icon : "delmark.png" |
| 603 | 108 }, |
| 109 hmir : { | |
| 654 | 110 onclick : ["mirror", "h"], |
| 603 | 111 tooltip : "mirror horizontally", |
| 758 | 112 icon : "mirror-horizontal.png" |
| 603 | 113 }, |
| 114 vmir : { | |
| 654 | 115 onclick : ["mirror", "v"], |
| 603 | 116 tooltip : "mirror vertically", |
| 758 | 117 icon : "mirror-vertical.png" |
| 603 | 118 }, |
| 119 rot : { | |
| 656 | 120 onclick : "rotate", |
| 603 | 121 tooltip : "rotate image", |
| 758 | 122 icon : "rotate.png" |
| 603 | 123 }, |
| 124 brgt : { | |
| 656 | 125 onclick : "brightness", |
| 603 | 126 tooltip : "set brightness", |
| 758 | 127 icon : "brightness.png" |
| 603 | 128 }, |
| 129 cont : { | |
| 656 | 130 onclick : "contrast", |
| 603 | 131 tooltip : "set contrast", |
| 758 | 132 icon : "contrast.png" |
| 603 | 133 }, |
| 134 rgb : { | |
| 135 onclick : "javascript:setParamWin('rgb', '...')", | |
| 136 tooltip : "set rgb values", | |
| 758 | 137 icon : "rgb.png" |
| 603 | 138 }, |
| 139 quality : { | |
| 741 | 140 onclick : "setQuality", |
| 603 | 141 tooltip : "set image quality", |
| 758 | 142 icon : "quality.png" |
| 603 | 143 }, |
| 144 size : { | |
| 145 onclick : "javascript:toggleSizeMenu()", | |
| 146 tooltip : "set page size", | |
| 758 | 147 icon : "size.png" |
| 603 | 148 }, |
| 149 calibrationx : { | |
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150 onclick : "calibrate", |
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151 tooltip : "calibrate screen resolution", |
| 758 | 152 icon : "calibration-x.png" |
| 603 | 153 }, |
| 154 scale : { | |
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155 onclick : "setScaleMode", |
| 603 | 156 tooltip : "change image scale", |
| 758 | 157 icon : "original-size.png" |
| 603 | 158 }, |
| 692 | 159 toggleoptions : { |
| 741 | 160 onclick : "moreButtons", |
| 692 | 161 tooltip : "more options", |
| 758 | 162 icon : "options.png" |
| 692 | 163 }, |
| 683 | 164 moreoptions : { |
| 741 | 165 onclick : ["moreButtons", "+1"], |
| 683 | 166 tooltip : "more options", |
| 758 | 167 icon : "options.png" |
| 683 | 168 }, |
| 169 lessoptions : { | |
| 741 | 170 onclick : ["moreButtons", "-1"], |
| 683 | 171 tooltip : "less options", |
| 758 | 172 icon : "options.png" |
| 603 | 173 }, |
| 174 SEP : { | |
| 758 | 175 icon : "sep.png" |
| 603 | 176 } |
| 177 }; | |
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178 |
| 598 | 179 var defaults = { |
| 609 | 180 // version of this script |
| 628 | 181 'version' : 'jquery.digilib.js 0.9', |
| 609 | 182 // logo url |
| 183 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 628 | 184 // homepage url (behind logo) |
| 185 'homeUrl' : 'http://digilib.berlios.de', | |
| 737 | 186 // base URL to digilib viewer (for reference URLs) |
| 187 'digilibBaseUrl' : null, | |
| 603 | 188 // base URL to Scaler servlet |
| 645 | 189 'scalerBaseUrl' : null, |
| 603 | 190 // list of Scaler parameters |
| 620 | 191 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 192 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 193 // Scaler parameter defaults | |
| 636 | 194 'pn' : 1, |
| 620 | 195 'ww' : 1.0, |
| 196 'wh' : 1.0, | |
| 197 'wx' : 0.0, | |
| 198 'wy' : 0.0, | |
| 199 'ws' : 1.0, | |
| 636 | 200 'mo' : '', |
| 201 'rot' : 0, | |
| 202 'cont' : 0, | |
| 203 'brgt' : 0, | |
| 204 'rgbm' : '0/0/0', | |
| 205 'rgba' : '0/0/0', | |
| 206 'ddpi' : null, | |
| 207 'ddpix' : null, | |
| 208 'ddpiy' : null, | |
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209 // list of digilib parameters |
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210 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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211 // digilib parameter defaults |
| 636 | 212 'mk' : '', |
| 643 | 213 'clop' : '', |
| 636 | 214 // mode of operation: |
| 215 // fullscreen = take parameters from page URL, keep state in page URL | |
| 216 // embedded = take parameters from Javascript options, keep state inside object | |
| 603 | 217 'interactionMode' : 'fullscreen', |
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218 // buttons |
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219 'buttons' : buttons, |
| 661 | 220 // defaults for digilib buttons |
| 658 | 221 'buttonSettings' : { |
| 222 'fullscreen' : { | |
| 661 | 223 // path to button images (must end with a slash) |
| 658 | 224 'imagePath' : 'img/fullscreen/', |
| 714 | 225 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
| 785 | 226 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","lessoptions"], |
| 675 | 227 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 228 }, |
| 229 'embedded' : { | |
| 230 'imagePath' : 'img/embedded/16/', | |
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231 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
| 785 | 232 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","lessoptions"], |
| 675 | 233 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 234 } |
| 690 | 235 }, |
| 768 | 236 |
| 690 | 237 // number of visible button groups |
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238 'visibleButtonSets' : 1, |
| 609 | 239 // is birdView shown? |
| 240 'isBirdDivVisible' : false, | |
| 661 | 241 // dimensions of bird's eye div |
| 667 | 242 'birdDivWidth' : 200, |
| 243 'birdDivHeight' : 200, | |
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244 // parameters used by bird's eye div |
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245 'birdDivParams' : ['fn','pn','dw','dh'], |
| 609 | 246 // is the "about" window shown? |
| 734 | 247 'isAboutDivVisible' : false, |
| 248 // maximum width of background image for drag-scroll | |
| 771 | 249 'maxBgSize' : 10000, |
| 772 | 250 // space to be left free in full page display, default value is for scrollbar |
| 778 | 251 'scalerInset' : 10 |
| 603 | 252 }; |
| 648 | 253 |
| 779 | 254 // list of plugins |
| 255 var plugins = {}; | |
| 780 | 256 // object to export functions to plugins |
| 257 var fn; | |
| 779 | 258 // affine geometry plugin stub |
| 778 | 259 var geom; |
| 648 | 260 |
| 778 | 261 var FULL_AREA; |
| 648 | 262 |
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263 var actions = { |
| 661 | 264 // init: digilib initialization |
| 265 init : function(options) { | |
| 785 | 266 console.log('init digilib'); |
| 779 | 267 // import geometry classes |
| 268 if (plugins.geometry == null) { | |
| 269 $.error("jquery.digilib.geometry plugin not found!"); | |
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270 // last straw: old version |
| 778 | 271 geom = dlGeometry(); |
| 272 } else { | |
| 779 | 273 geom = plugins.geometry.init(); |
| 778 | 274 } |
| 275 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 781 | 276 |
| 661 | 277 // settings for this digilib instance are merged from defaults and options |
| 278 var settings = $.extend({}, defaults, options); | |
| 279 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 280 var queryParams = {}; | |
| 281 if (isFullscreen) { | |
| 282 queryParams = parseQueryParams(); | |
| 283 // check scalerBaseUrl | |
| 284 if (settings.scalerBaseUrl == null) { | |
| 285 // try the host this came from | |
| 286 var h = window.location.host; | |
| 287 if (window.location.host) { | |
| 288 var url = window.location.href; | |
| 289 // assume the page lives in [webapp]/jquery/ | |
| 290 var pos = url.indexOf('jquery/'); | |
| 291 if (pos > 0) { | |
| 292 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 645 | 293 } |
| 294 } | |
| 629 | 295 } |
| 661 | 296 } |
| 297 return this.each(function() { | |
| 298 var $elem = $(this); | |
| 299 var data = $elem.data('digilib'); | |
| 681 | 300 var params, elemSettings; |
| 661 | 301 // if the plugin hasn't been initialized yet |
| 302 if (!data) { | |
| 303 // merge query parameters | |
| 304 if (isFullscreen) { | |
| 681 | 305 params = queryParams; |
| 661 | 306 } else { |
| 681 | 307 params = parseImgParams($elem); |
| 778 | 308 if ($.cookie) { |
| 720 | 309 // retrieve params from cookie |
| 310 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 778 | 311 var cs = $.cookie(ck); |
| 720 | 312 console.debug("get cookie=", ck, " value=", cs); |
| 313 if (cs) { | |
| 314 var cp = parseQueryString(cs); | |
| 721 | 315 // ignore fn and pn from cookie TODO: should we keep pn? |
| 316 delete cp.fn; | |
| 317 delete cp.pn; | |
| 778 | 318 $.extend(params, cp); |
| 720 | 319 } |
| 320 } | |
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321 } |
| 784 | 322 // store $(this) element in data |
| 778 | 323 elemSettings = $.extend({}, settings, params); |
| 690 | 324 data = { |
| 661 | 325 $elem : $elem, |
| 326 settings : elemSettings, | |
| 781 | 327 queryParams : params, |
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328 // TODO: move plugins reference out of data |
| 781 | 329 plugins : plugins |
| 661 | 330 }; |
| 331 // store in data element | |
| 332 $elem.data('digilib', data); | |
| 333 } | |
| 334 unpackParams(data); | |
| 737 | 335 // check if browser knows *background-size |
| 734 | 336 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 337 if ($elem.css(bs+'background-size')) { | |
| 338 data.hasBgSize = true; | |
| 339 data.bgSizeName = bs+'background-size'; | |
| 340 break; | |
| 341 } | |
| 342 } | |
| 737 | 343 // check digilib base URL |
| 344 if (elemSettings.digilibBaseUrl == null) { | |
| 345 if (isFullscreen) { | |
| 346 // take current host | |
| 347 var url = window.location.toString(); | |
| 348 var pos = url.indexOf('?'); | |
| 349 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 350 } else { | |
| 351 var url = elemSettings.scalerBaseUrl; | |
| 352 if (url) { | |
| 353 // build it from scaler URL | |
| 354 var bp = url.indexOf('/servlet/Scaler'); | |
| 758 | 355 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 737 | 356 } |
| 357 } | |
| 358 } | |
| 779 | 359 // initialise plugins |
| 780 | 360 for (n in plugins) { |
| 361 var p = plugins[n]; | |
| 362 // share common objects | |
| 363 p.buttons = buttons; | |
| 364 p.actions = actions; | |
| 365 p.fn = fn; | |
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366 p.plugins = plugins; |
| 780 | 367 // and init |
| 368 p.init(data); | |
| 779 | 369 } |
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370 // get image info from server if needed |
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371 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 760 | 372 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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373 } |
| 772 | 374 // create buttons before scaler |
| 690 | 375 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
| 376 showButtons(data, true, i); | |
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377 } |
| 772 | 378 // create HTML structure for scaler, taking width of buttons div into account |
| 379 setupScalerDiv(data); | |
| 758 | 380 highlightButtons(data); |
| 661 | 381 // bird's eye view creation |
| 703 | 382 if (elemSettings.isBirdDivVisible) { |
| 631 | 383 setupBirdDiv(data); |
| 716 | 384 data.$birdDiv.show(); |
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385 } |
| 661 | 386 // about window creation - TODO: could be deferred? restrict to only one item? |
| 387 setupAboutDiv(data); | |
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388 // drag zoom area around in scaler div |
| 748 | 389 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 661 | 390 }); |
| 391 }, | |
| 392 | |
| 393 // destroy: clean up digilib | |
| 394 destroy : function(data) { | |
| 395 return this.each(function(){ | |
| 396 var $elem = $(this); | |
| 397 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 398 data.digilib.remove(); | |
| 399 $elem.removeData('digilib'); | |
| 400 }); | |
| 401 }, | |
| 402 | |
| 403 // show or hide the 'about' window | |
| 404 showAboutDiv : function(data, show) { | |
| 758 | 405 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 406 data.settings.isAboutDivVisible = on; | |
| 407 highlightButtons(data, 'help', on); | |
| 661 | 408 }, |
| 648 | 409 |
| 661 | 410 // event handler: toggles the visibility of the bird's eye window |
| 411 showBirdDiv : function (data, show) { | |
| 719 | 412 var settings = data.settings; |
| 661 | 413 if (data.$birdDiv == null) { |
| 414 // no bird div -> create | |
| 415 setupBirdDiv(data); | |
| 416 } | |
| 758 | 417 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 418 settings.isBirdDivVisible = on; | |
| 419 highlightButtons(data, 'bird', on); | |
| 719 | 420 updateBirdDiv(data); |
| 716 | 421 storeOptions(data); |
| 661 | 422 }, |
| 423 | |
| 424 // goto given page nr (+/-: relative) | |
| 425 gotoPage : function (data, pageNr) { | |
| 426 var settings = data.settings; | |
| 427 var oldpn = settings.pn; | |
| 709 | 428 if (pageNr == null) { |
| 429 pageNr = window.prompt("Goto page number", oldpn); | |
| 430 } | |
| 661 | 431 var pn = setNumValue(settings, "pn", pageNr); |
| 432 if (pn == null) return false; // nothing happened | |
| 433 if (pn < 1) { | |
| 434 alert("no such page (page number too low)"); | |
| 435 settings.pn = oldpn; | |
| 436 return false; | |
| 437 } | |
| 760 | 438 // TODO: how do we get pt? |
| 661 | 439 if (settings.pt) { |
| 440 if (pn > settings.pt) { | |
| 441 alert("no such page (page number too high)"); | |
| 616 | 442 settings.pn = oldpn; |
| 443 return false; | |
| 627 | 444 } |
| 661 | 445 } |
| 446 // reset mk and others(?) | |
| 447 data.marks = []; | |
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448 data.zoomArea = FULL_AREA; |
| 661 | 449 // then reload |
| 450 redisplay(data); | |
| 451 }, | |
| 647 | 452 |
| 661 | 453 // zoom by a given factor |
| 454 zoomBy : function (data, factor) { | |
| 455 zoomBy(data, factor); | |
| 456 }, | |
| 640 | 457 |
| 760 | 458 // zoom to area (or interactive) |
| 459 zoomArea : function (data, area) { | |
| 460 var settings = data.settings; | |
| 461 if (area == null) { | |
| 462 // interactively | |
| 463 zoomArea(data); | |
| 464 } else { | |
| 465 data.zoomArea = geom.rectangle(area); | |
| 466 redisplay(data); | |
| 467 } | |
| 661 | 468 }, |
| 643 | 469 |
| 661 | 470 // zoom out to full page |
| 471 zoomFull : function (data, mode) { | |
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472 data.zoomArea = FULL_AREA; |
| 661 | 473 if (mode === 'width') { |
| 474 data.dlOpts.fitwidth = 1; | |
| 475 delete data.dlOpts.fitheight; | |
| 476 } else if (mode === 'height') { | |
| 477 data.dlOpts.fitheight = 1; | |
| 478 delete data.dlOpts.fitwidth; | |
| 479 } else { | |
| 480 delete data.dlOpts.fitwidth; | |
| 481 delete data.dlOpts.fitheight; | |
| 482 } | |
| 483 redisplay(data); | |
| 484 }, | |
| 485 | |
| 486 // set a mark by clicking (or giving a position) | |
| 487 setMark : function (data, mpos) { | |
| 488 if (mpos == null) { | |
| 489 // interactive | |
| 490 setMark(data); | |
| 491 } else { | |
| 492 // use position | |
| 493 data.marks.push(pos); | |
| 656 | 494 redisplay(data); |
| 597 | 495 } |
| 661 | 496 }, |
| 497 | |
| 498 // remove the last mark | |
| 499 removeMark : function (data) { | |
| 500 data.marks.pop(); | |
| 501 redisplay(data); | |
| 502 }, | |
| 503 | |
| 504 // mirror the image | |
| 505 mirror : function (data, mode) { | |
| 506 var flags = data.scalerFlags; | |
| 507 if (mode === 'h') { | |
| 508 if (flags.hmir) { | |
| 509 delete flags.hmir; | |
| 510 } else { | |
| 511 flags.hmir = 1; | |
| 512 } | |
| 513 } else { | |
| 514 if (flags.vmir) { | |
| 515 delete flags.vmir; | |
| 516 } else { | |
| 517 flags.vmir = 1; | |
| 518 } | |
| 519 } | |
| 520 redisplay(data); | |
| 521 }, | |
| 643 | 522 |
| 661 | 523 // rotate the image |
| 524 rotate : function (data, angle) { | |
| 525 var rot = data.settings.rot; | |
| 526 if (angle == null) { | |
| 527 angle = window.prompt("Rotation angle:", rot); | |
| 528 } | |
| 529 data.settings.rot = angle; | |
| 530 redisplay(data); | |
| 531 }, | |
| 532 | |
| 533 // change brightness | |
| 534 brightness : function (data, factor) { | |
| 535 var brgt = data.settings.brgt; | |
| 536 if (factor == null) { | |
| 537 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 538 } | |
| 539 data.settings.brgt = factor; | |
| 540 redisplay(data); | |
| 541 }, | |
| 542 | |
| 543 // change contrast | |
| 544 contrast : function (data, factor) { | |
| 545 var cont = data.settings.cont; | |
| 546 if (factor == null) { | |
| 547 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 548 } | |
| 549 data.settings.cont = factor; | |
| 550 redisplay(data); | |
| 681 | 551 }, |
| 703 | 552 |
| 683 | 553 // display more (or less) button sets |
| 741 | 554 moreButtons : function (data, more) { |
| 689 | 555 var settings = data.settings; |
| 692 | 556 if (more == null) { |
| 696 | 557 // toggle more or less (only works for 2 sets) |
| 692 | 558 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 559 if (settings.visibleButtonSets >= maxbtns) { | |
| 560 more = '-1'; | |
| 561 } else { | |
| 562 more = '+1'; | |
| 563 } | |
| 564 } | |
| 683 | 565 if (more === '-1') { |
| 566 // remove set | |
| 690 | 567 var setIdx = settings.visibleButtonSets - 1; |
| 568 if (showButtons(data, false, setIdx, true)) { | |
| 569 settings.visibleButtonSets--; | |
| 570 } | |
| 683 | 571 } else { |
| 572 // add set | |
| 690 | 573 var setIdx = settings.visibleButtonSets; |
| 574 if (showButtons(data, true, setIdx, true)) { | |
| 575 settings.visibleButtonSets++; | |
| 683 | 576 } |
| 577 } | |
| 716 | 578 // persist setting |
| 579 storeOptions(data); | |
| 684 | 580 }, |
| 681 | 581 |
| 696 | 582 // reset image parameters to defaults |
| 681 | 583 reset : function (data) { |
| 584 var settings = data.settings; | |
| 585 var paramNames = settings.digilibParamNames; | |
| 586 var params = data.queryParams; | |
| 587 // delete all digilib parameters | |
| 588 for (var i = 0; i < paramNames.length; i++) { | |
| 589 var paramName = paramNames[i]; | |
| 590 delete settings[paramName]; | |
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591 } |
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592 settings.fn = params.fn || ''; // no default defined |
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593 settings.pn = params.pn || defaults.pn; |
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594 settings.dw = params.dw; |
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595 settings.dh = params.dh; |
| 702 | 596 settings.isBirdDivVisible = false; |
| 597 settings.visibleButtonSets = 1; | |
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598 // resets zoomArea, marks, scalerflags |
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599 data.zoomArea = FULL_AREA; |
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600 data.marks = []; |
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601 data.scalerFlags = {}; |
| 705 | 602 delete data.dlOpts.fitwidth; |
| 603 delete data.dlOpts.fitheight; | |
| 681 | 604 redisplay(data); |
| 682 | 605 }, |
| 606 | |
| 696 | 607 // presents a reference url (returns value if noprompt) |
| 608 reference : function (data, noprompt) { | |
| 682 | 609 var settings = data.settings; |
| 737 | 610 var url = getDigilibUrl(data); |
| 696 | 611 if (noprompt == null) { |
| 612 window.prompt("URL reference to the current view", url); | |
| 613 } | |
| 614 return url; | |
| 615 }, | |
| 703 | 616 |
| 696 | 617 // set image quality |
| 741 | 618 setQuality : function (data, qual) { |
| 696 | 619 var oldq = getQuality(data); |
| 620 if (qual == null) { | |
| 621 qual = window.prompt("Image quality (0..2)", oldq); | |
| 622 } | |
| 623 qual = parseInt(qual, 10); | |
| 624 if (qual >= 0 && qual <= 2) { | |
| 625 setQuality(data, qual); | |
| 626 redisplay(data); | |
| 627 } | |
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628 }, |
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629 |
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630 // calibrate (only faking) |
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631 calibrate : function (data, res) { |
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632 var oldRes = data.settings.ddpi; |
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633 if (res == null) { |
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634 res = window.prompt("Display resolution (dpi)", oldRes); |
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635 } |
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636 if (res != null) { |
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637 data.settings.ddpi = res; |
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638 redisplay(data); |
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639 } |
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640 }, |
| 768 | 641 |
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642 // set image scale mode |
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643 setScaleMode : function (data, mode) { |
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644 var oldM = getScaleMode(data); |
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645 if (mode == null) { |
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646 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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647 } |
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648 if (mode != null) { |
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649 setScaleMode(data, mode); |
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650 data.scaleMode = mode; |
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651 redisplay(data); |
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652 } |
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653 } |
| 768 | 654 |
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655 // end of actions |
| 598 | 656 }; |
| 597 | 657 |
| 601 | 658 // returns parameters from page url |
| 600 | 659 var parseQueryParams = function() { |
| 629 | 660 return parseQueryString(window.location.search.slice(1)); |
| 661 }; | |
| 648 | 662 |
| 629 | 663 // returns parameters from embedded img-element |
| 600 | 664 var parseImgParams = function($elem) { |
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665 var src = $elem.find('img').first().attr('src'); |
| 703 | 666 if (!src) return null; |
| 600 | 667 var pos = src.indexOf('?'); |
| 668 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 669 var scalerUrl = src.substring(0, pos); | |
| 620 | 670 var params = parseQueryString(query); |
| 671 params.scalerBaseUrl = scalerUrl; | |
| 672 return params; | |
| 629 | 673 }; |
| 600 | 674 |
| 601 | 675 // parses query parameter string into parameter object |
| 600 | 676 var parseQueryString = function(query) { |
| 694 | 677 var params = {}; |
| 678 if (query == null) return params; | |
| 600 | 679 var pairs = query.split("&"); |
| 629 | 680 //var keys = []; |
| 600 | 681 for (var i = 0; i < pairs.length; i++) { |
| 682 var pair = pairs[i].split("="); | |
| 683 if (pair.length === 2) { | |
| 620 | 684 params[pair[0]] = pair[1]; |
| 629 | 685 //keys.push(pair[0]); |
| 627 | 686 } |
| 629 | 687 } |
| 620 | 688 return params; |
| 629 | 689 }; |
| 661 | 690 |
| 636 | 691 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 692 var getParamString = function (settings, keys, defaults) { | |
| 608 | 693 var paramString = ''; |
| 643 | 694 var nx = false; |
| 608 | 695 for (i = 0; i < keys.length; ++i) { |
| 696 var key = keys[i]; | |
| 656 | 697 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 608 | 698 // first param gets no '&' |
| 643 | 699 if (nx) { |
| 700 paramString += '&'; | |
| 701 } else { | |
| 702 nx = true; | |
| 703 } | |
| 608 | 704 // add parm=val |
| 705 paramString += key + '=' + settings[key]; | |
| 636 | 706 } |
| 608 | 707 } |
| 708 return paramString; | |
| 624 | 709 }; |
| 710 | |
| 629 | 711 // returns URL and query string for Scaler |
| 712 var getScalerUrl = function (data) { | |
| 734 | 713 packParams(data); |
| 646 | 714 var settings = data.settings; |
| 645 | 715 if (settings.scalerBaseUrl == null) { |
| 716 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
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717 } |
| 629 | 718 var keys = settings.scalerParamNames; |
| 636 | 719 var queryString = getParamString(settings, keys, defaults); |
| 629 | 720 var url = settings.scalerBaseUrl + '?' + queryString; |
| 721 return url; | |
| 722 }; | |
| 723 | |
| 734 | 724 // returns URL for bird's eye view image |
| 736 | 725 var getBirdImgUrl = function (data, moreParams) { |
| 734 | 726 var settings = data.settings; |
| 727 var birdDivOptions = { | |
| 728 dw : settings.birdDivWidth, | |
| 729 dh : settings.birdDivHeight | |
| 730 }; | |
| 778 | 731 var birdSettings = $.extend({}, settings, birdDivOptions); |
| 734 | 732 // use only the relevant parameters |
| 736 | 733 if (moreParams == null) { |
| 734 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 735 } else { | |
| 760 | 736 // filter scaler flags |
| 737 if (birdSettings.mo != null) { | |
| 738 var mo = ''; | |
| 739 if (data.scalerFlags.hmir != null) { | |
| 740 mo += 'hmir,'; | |
| 741 } | |
| 742 if (data.scalerFlags.vmir != null) { | |
| 743 mo += 'vmir'; | |
| 744 } | |
| 745 birdSettings.mo = mo; | |
| 746 } | |
| 736 | 747 var params = getParamString(birdSettings, |
| 748 settings.birdDivParams.concat(moreParams), defaults); | |
| 749 } | |
| 750 var url = settings.scalerBaseUrl + '?' + params; | |
| 734 | 751 return url; |
| 752 }; | |
|
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753 |
| 629 | 754 // returns URL and query string for current digilib |
|
637
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755 var getDigilibUrl = function (data) { |
| 636 | 756 packParams(data); |
| 629 | 757 var settings = data.settings; |
|
637
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758 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 737 | 759 return settings.digilibBaseUrl + '?' + queryString; |
| 629 | 760 }; |
| 761 | |
| 760 | 762 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 763 var loadImageInfo = function (data, complete) { | |
|
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764 var settings = data.settings; |
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765 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
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766 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
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767 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 760 | 768 // TODO: better error handling |
| 778 | 769 $.getJSON(url, function (json) { |
|
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770 console.debug("got json data=", json); |
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771 data.imgInfo = json; |
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772 if (complete != null) { |
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773 complete.call(this, data, json); |
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|
774 } |
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|
775 }); |
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|
776 }; |
| 768 | 777 |
| 648 | 778 // processes some parameters into objects and stuff |
| 624 | 779 var unpackParams = function (data) { |
| 780 var settings = data.settings; | |
| 629 | 781 // zoom area |
| 624 | 782 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 783 data.zoomArea = zoomArea; |
| 629 | 784 // marks |
| 624 | 785 var marks = []; |
| 643 | 786 if (settings.mk) { |
| 787 var mk = settings.mk; | |
| 788 if (mk.indexOf(";") >= 0) { | |
| 789 var pa = mk.split(";"); // old format with ";" | |
| 790 } else { | |
| 791 var pa = mk.split(","); // new format | |
|
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792 } |
| 643 | 793 for (var i = 0; i < pa.length ; i++) { |
| 794 var pos = pa[i].split("/"); | |
| 795 if (pos.length > 1) { | |
| 796 marks.push(geom.position(pos[0], pos[1])); | |
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797 } |
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798 } |
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799 } |
| 636 | 800 data.marks = marks; |
| 643 | 801 // mo (Scaler flags) |
| 802 var flags = {}; | |
| 803 if (settings.mo) { | |
| 804 var pa = settings.mo.split(","); | |
| 805 for (var i = 0; i < pa.length ; i++) { | |
| 806 flags[pa[i]] = pa[i]; | |
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807 } |
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808 } |
| 643 | 809 data.scalerFlags = flags; |
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810 data.scaleMode = getScaleMode(data); |
| 716 | 811 retrieveOptions(data); |
| 648 | 812 }; |
| 813 | |
| 624 | 814 // put objects back into parameters |
| 815 var packParams = function (data) { | |
| 816 var settings = data.settings; | |
| 629 | 817 // zoom area |
| 636 | 818 if (data.zoomArea) { |
| 640 | 819 settings.wx = cropFloat(data.zoomArea.x); |
| 820 settings.wy = cropFloat(data.zoomArea.y); | |
| 821 settings.ww = cropFloat(data.zoomArea.width); | |
| 822 settings.wh = cropFloat(data.zoomArea.height); | |
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823 } |
| 629 | 824 // marks |
| 636 | 825 if (data.marks) { |
| 643 | 826 settings.mk = ''; |
| 636 | 827 for (var i = 0; i < data.marks.length; i++) { |
| 643 | 828 if (i) { |
| 829 settings.mk += ','; | |
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830 } |
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831 settings.mk += cropFloat(data.marks[i].x).toString() + |
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832 '/' + cropFloat(data.marks[i].y).toString(); |
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833 } |
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834 } |
| 643 | 835 // Scaler flags |
| 836 if (data.scalerFlags) { | |
| 837 var mo = ''; | |
| 838 for (var f in data.scalerFlags) { | |
| 839 if (mo) { | |
| 840 mo += ','; | |
| 841 } | |
| 842 mo += f; | |
| 843 } | |
| 844 settings.mo = mo; | |
| 845 } | |
| 703 | 846 // user interface options |
| 716 | 847 storeOptions(data); |
| 702 | 848 }; |
| 681 | 849 |
| 716 | 850 var storeOptions = function (data) { |
| 694 | 851 // save digilib options in cookie |
| 702 | 852 var settings = data.settings; |
| 853 if (data.dlOpts) { | |
| 854 // save digilib settings in options | |
| 855 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 856 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 857 var clop = ''; | |
| 858 for (var o in data.dlOpts) { | |
| 859 if (clop) { | |
| 860 clop += '&'; | |
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861 } |
| 702 | 862 clop += o + '=' + data.dlOpts[o]; |
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863 } |
| 778 | 864 if ($.cookie) { |
| 702 | 865 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 866 console.debug("set cookie=", ck, " value=", clop); | |
| 778 | 867 $.cookie(ck, clop); |
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868 } |
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869 } |
| 778 | 870 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 720 | 871 // store normal parameters in cookie for embedded mode |
| 872 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 873 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 874 console.debug("set cookie=", ck, " value=", qs); | |
| 778 | 875 $.cookie(ck, qs); |
| 720 | 876 } |
| 624 | 877 }; |
| 648 | 878 |
| 716 | 879 var retrieveOptions = function (data) { |
| 702 | 880 // clop (digilib options) |
| 881 var opts = {}; | |
| 882 var settings = data.settings; | |
| 778 | 883 if ($.cookie) { |
| 702 | 884 // read from cookie |
| 885 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 778 | 886 var cp = $.cookie(ck); |
| 702 | 887 console.debug("get cookie=", ck, " value=", cp); |
| 888 // in query string format | |
| 889 opts = parseQueryString(cp); | |
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890 } |
| 702 | 891 data.dlOpts = opts; |
| 892 // birdview option | |
| 893 if (opts.birdview != null) { | |
| 894 settings.isBirdDivVisible = opts.birdview === '1'; | |
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895 } |
| 702 | 896 // visible button sets |
| 897 if (opts.buttons != null) { | |
| 898 settings.visibleButtonSets = opts.buttons; | |
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899 } |
| 704 | 900 }; |
| 702 | 901 |
| 615 | 902 // (re)load the img from a new scaler URL |
|
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903 var redisplay = function (data) { |
| 629 | 904 var settings = data.settings; |
| 905 if (settings.interactionMode === 'fullscreen') { | |
| 906 // update location.href (browser URL) in fullscreen mode | |
|
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907 var url = getDigilibUrl(data); |
| 629 | 908 var history = window.history; |
| 909 if (typeof(history.pushState) === 'function') { | |
| 910 console.debug("we could modify history, but we don't..."); | |
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911 } |
| 629 | 912 window.location = url; |
| 913 } else { | |
| 914 // embedded mode -- just change img src | |
| 915 var url = getScalerUrl(data); | |
| 916 data.$img.attr('src', url); | |
| 719 | 917 // redisplay bird img |
| 918 updateBirdDiv(data); | |
| 758 | 919 highlightButtons(data); |
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920 } |
| 615 | 921 }; |
| 922 | |
| 760 | 923 // update display (overlays etc.) |
| 924 var updateDisplay = function (data) { | |
| 925 updateImgTrafo(data); | |
| 926 renderMarks(data); | |
| 927 setupZoomDrag(data); | |
| 928 if (data.settings.isBirdDivVisible) { | |
| 929 renderBirdArea(data); | |
| 930 setupBirdDrag(data); | |
| 931 } | |
| 777 | 932 // send event |
| 933 $(data).trigger('update'); | |
| 760 | 934 }; |
| 768 | 935 |
| 655 | 936 // returns maximum size for scaler img in fullscreen mode |
| 771 | 937 var getFullscreenImgSize = function (data) { |
| 655 | 938 var $win = $(window); |
| 939 var winH = $win.height(); | |
| 772 | 940 var winW = $win.width(); |
| 941 var $body = $('body'); | |
| 773 | 942 // include standard body margins |
| 943 var borderW = $body.outerWidth(true) - $body.width(); | |
| 944 var borderH = $body.outerHeight(true) - $body.height(); | |
| 772 | 945 // get width of first button div |
| 946 var buttonsW = 0; | |
| 947 if (data.$buttonSets) { | |
| 948 buttonsW = data.$buttonSets[0].outerWidth(); | |
| 949 } | |
| 950 // account for left/right border, body margins and additional requirements | |
| 773 | 951 var calcW = winW - borderW - buttonsW - data.settings.scalerInset; |
| 952 var calcH = winH - borderH; | |
| 953 console.debug(winW, winH, 'winW:', $win.width(), 'border:', borderW, 'buttonsW:', buttonsW, 'calc:', calcW); | |
| 954 return geom.size(calcW, calcH); | |
| 655 | 955 }; |
| 956 | |
| 601 | 957 // creates HTML structure for digilib in elem |
| 620 | 958 var setupScalerDiv = function (data) { |
| 959 var settings = data.settings; | |
| 640 | 960 var $elem = data.$elem; |
| 718 | 961 $elem.addClass('digilib'); |
| 721 | 962 var $img; |
| 963 var scalerUrl; | |
| 601 | 964 if (settings.interactionMode === 'fullscreen') { |
| 721 | 965 // fullscreen |
| 718 | 966 $elem.addClass('dl_fullscreen'); |
| 771 | 967 var imgSize = getFullscreenImgSize(data); |
| 643 | 968 // fitwidth/height omits destination height/width |
| 721 | 969 if (data.dlOpts.fitheight == null) { |
| 643 | 970 settings.dw = imgSize.width; |
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971 } |
| 721 | 972 if (data.dlOpts.fitwidth == null) { |
| 643 | 973 settings.dh = imgSize.height; |
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974 } |
| 679 | 975 scalerUrl = getScalerUrl(data); |
| 721 | 976 $img = $('<img/>'); |
| 602 | 977 } else { |
| 721 | 978 // embedded mode -- try to keep img tag |
| 718 | 979 $elem.addClass('dl_embedded'); |
| 721 | 980 scalerUrl = getScalerUrl(data); |
| 616 | 981 $img = $elem.find('img'); |
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982 if ($img.length > 0) { |
| 721 | 983 oldUrl = $img.attr('src'); |
| 984 if (oldUrl === scalerUrl) { | |
| 985 console.debug("img detach:", $img); | |
| 986 $img.detach(); | |
| 987 } else { | |
| 988 $img = $('<img/>'); | |
| 989 } | |
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990 } else { |
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991 $img = $('<img/>'); |
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992 } |
| 601 | 993 } |
| 772 | 994 // create new inner html, keep buttons |
| 995 $elem.contents(":not(div.buttons)").remove(); | |
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996 var $scaler = $('<div class="scaler"/>'); |
| 772 | 997 // scaler should be the first child element? |
| 998 $elem.prepend($scaler); | |
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999 $scaler.append($img); |
| 615 | 1000 $img.addClass('pic'); |
| 642 | 1001 data.$scaler = $scaler; |
| 629 | 1002 data.$img = $img; |
| 680 | 1003 // setup image load handler before setting the src attribute (IE bug) |
| 1004 $img.load(scalerImgLoadedHandler(data)); | |
| 760 | 1005 $img.error(function () {console.error("error loading scaler image");}); |
| 680 | 1006 $img.attr('src', scalerUrl); |
| 601 | 1007 }; |
| 608 | 1008 |
| 603 | 1009 // creates HTML structure for buttons in elem |
| 690 | 1010 var createButtons = function (data, buttonSetIdx) { |
| 640 | 1011 var $elem = data.$elem; |
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1012 var settings = data.settings; |
| 658 | 1013 var mode = settings.interactionMode; |
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1014 var buttonSettings = settings.buttonSettings[mode]; |
| 675 | 1015 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 683 | 1016 if (buttonGroup == null) { |
| 1017 // no buttons here | |
| 1018 return; | |
| 1019 } | |
| 1020 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 675 | 1021 var buttonNames = buttonSettings[buttonGroup]; |
| 1022 for (var i = 0; i < buttonNames.length; i++) { | |
| 1023 var buttonName = buttonNames[i]; | |
| 1024 var buttonConfig = settings.buttons[buttonName]; | |
| 658 | 1025 // construct the button html |
| 1026 var $button = $('<div class="button"></div>'); | |
| 1027 var $a = $('<a/>'); | |
| 1028 var $img = $('<img class="button"/>'); | |
| 1029 $buttonsDiv.append($button); | |
| 1030 $button.append($a); | |
| 1031 $a.append($img); | |
| 1032 // add attributes and bindings | |
| 1033 $button.attr('title', buttonConfig.tooltip); | |
| 675 | 1034 $button.addClass('button-' + buttonName); |
| 658 | 1035 // create handler for the buttons |
| 1036 $a.bind('click.digilib', (function () { | |
| 1037 // we create a new closure to capture the value of action | |
| 1038 var action = buttonConfig.onclick; | |
| 1039 if ($.isArray(action)) { | |
| 1040 // the handler function calls digilib with action and parameters | |
| 1041 return function (evt) { | |
| 1042 console.debug('click action=', action, ' evt=', evt); | |
| 1043 $elem.digilib.apply($elem, action); | |
| 1044 return false; | |
| 1045 }; | |
| 1046 } else { | |
| 1047 // the handler function calls digilib with action | |
| 1048 return function (evt) { | |
| 1049 console.debug('click action=', action, ' evt=', evt); | |
| 1050 $elem.digilib(action); | |
| 1051 return false; | |
| 1052 }; | |
| 1053 } | |
| 1054 })()); | |
| 758 | 1055 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 683 | 1056 } |
| 655 | 1057 // make buttons div scroll if too large for window |
| 1058 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1059 $buttonsDiv.css('position', 'absolute'); | |
| 1060 } | |
| 690 | 1061 // buttons hidden at first |
| 1062 $buttonsDiv.hide(); | |
| 1063 $elem.append($buttonsDiv); | |
| 675 | 1064 if (data.$buttonSets == null) { |
| 690 | 1065 // first button set |
| 675 | 1066 data.$buttonSets = [$buttonsDiv]; |
| 1067 } else { | |
| 683 | 1068 $elem.append($buttonsDiv); |
| 675 | 1069 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1070 } | |
| 605 | 1071 return $buttonsDiv; |
| 603 | 1072 }; |
| 608 | 1073 |
| 1074 // creates HTML structure for the bird's eye view in elem | |
| 631 | 1075 var setupBirdDiv = function (data) { |
| 640 | 1076 var $elem = data.$elem; |
| 608 | 1077 // the bird's eye div |
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1078 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 608 | 1079 // the detail indicator frame |
| 719 | 1080 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 608 | 1081 // the small image |
| 1082 var $birdImg = $('<img class="birdimg"/>'); | |
| 716 | 1083 data.$birdDiv = $birdDiv; |
| 1084 data.$birdZoom = $birdZoom; | |
| 1085 data.$birdImg = $birdImg; | |
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1086 $elem.append($birdDiv); |
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1087 $birdDiv.append($birdZoom); |
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1088 $birdDiv.append($birdImg); |
| 768 | 1089 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 716 | 1090 var birdUrl = getBirdImgUrl(data); |
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1091 $birdImg.load(birdImgLoadedHandler(data)); |
| 760 | 1092 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 716 | 1093 $birdImg.attr('src', birdUrl); |
| 1094 }; | |
| 1095 | |
| 1096 // update bird's eye view | |
| 1097 var updateBirdDiv = function (data) { | |
| 1098 if (!data.settings.isBirdDivVisible) return; | |
| 1099 var $birdImg = data.$birdImg; | |
| 1100 var oldsrc = $birdImg.attr('src'); | |
| 1101 var newsrc = getBirdImgUrl(data); | |
| 1102 if (oldsrc !== newsrc) { | |
| 1103 $birdImg.attr('src', newsrc); | |
| 1104 // onload handler re-renders | |
| 1105 } else { | |
| 1106 // re-render | |
| 1107 renderBirdArea(data); | |
| 723 | 1108 // enable click and drag |
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1109 setupBirdDrag(data); |
| 716 | 1110 } |
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1111 }; |
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1112 |
| 618 | 1113 // creates HTML structure for the about view in elem |
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1114 var setupAboutDiv = function (data) { |
| 640 | 1115 var $elem = data.$elem; |
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1116 var settings = data.settings; |
| 618 | 1117 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 609 | 1118 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1119 var $link = $('<a/>'); | |
| 1120 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1121 var $content = $('<p/>'); | |
| 1122 $elem.append($aboutDiv); | |
| 1123 $aboutDiv.append($header); | |
| 1124 $aboutDiv.append($link); | |
| 1125 $aboutDiv.append($content); | |
| 1126 $link.append($logo); | |
| 1127 $logo.attr('src', settings.logoUrl); | |
| 628 | 1128 $link.attr('href', settings.homeUrl); |
| 609 | 1129 $content.text('Version: ' + settings.version); |
| 768 | 1130 data.$aboutDiv = $aboutDiv; |
| 628 | 1131 // click hides |
| 768 | 1132 $aboutDiv.bind('click.digilib', function () { |
| 1133 actions['showAboutDiv'](data, false); | |
| 703 | 1134 }); |
| 627 | 1135 }; |
| 1136 | |
| 628 | 1137 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1138 var showDiv = function (isVisible, $div, show) { | |
| 638 | 1139 if (show == null) { |
| 628 | 1140 // toggle visibility |
| 1141 isVisible = !isVisible; | |
| 1142 } else { | |
| 1143 // set visibility | |
| 1144 isVisible = show; | |
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1145 } |
| 628 | 1146 if (isVisible) { |
| 1147 $div.fadeIn(); | |
| 1148 } else { | |
| 1149 $div.fadeOut(); | |
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1150 } |
| 628 | 1151 return isVisible; |
| 627 | 1152 }; |
| 609 | 1153 |
| 690 | 1154 // display more (or less) button sets |
| 1155 var showButtons = function (data, more, setIdx, animated) { | |
| 704 | 1156 var atime = animated ? 'fast': 0; |
| 690 | 1157 if (more) { |
| 1158 // add set | |
| 1159 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1160 var $set; | |
| 1161 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1162 // set exists | |
| 1163 $set = data.$buttonSets[setIdx]; | |
| 1164 } else { | |
| 1165 $set = createButtons(data, setIdx); | |
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diff
changeset
|
1166 } |
| 690 | 1167 if ($set == null) return false; |
| 758 | 1168 // include border in calculation |
| 1169 var btnWidth = $set.outerWidth(); | |
| 772 | 1170 // console.debug("btnWidth", btnWidth); |
| 690 | 1171 // move remaining sets left and show new set |
| 704 | 1172 if ($otherSets.length > 0) { |
| 1173 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1174 function () {$set.show();}); | |
| 690 | 1175 } else { |
| 1176 $set.show(); | |
| 704 | 1177 } |
| 690 | 1178 } else { |
| 1179 // remove set | |
| 1180 var $set = data.$buttonSets[setIdx]; | |
| 1181 if ($set == null) return false; | |
| 772 | 1182 var btnWidth = $set.outerWidth(); |
| 690 | 1183 // hide last set |
| 1184 $set.hide(); | |
| 1185 // take remaining sets and move right | |
| 1186 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 704 | 1187 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1188 } | |
| 690 | 1189 return true; |
| 1190 }; | |
| 1191 | |
| 758 | 1192 // check for buttons to highlight |
| 1193 var highlightButtons = function (data, name, on) { | |
| 1194 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1195 // add a class for highlighted button | |
| 1196 var highlight = function (name, on) { | |
| 1197 var $button = $buttons.find('div.button-' + name); | |
| 1198 if (on) { | |
| 1199 $button.addClass('button-on'); | |
| 1200 } else { | |
| 1201 $button.removeClass('button-on'); | |
| 1202 } | |
| 1203 }; | |
| 1204 if (name != null) { | |
| 1205 return highlight(name, on); | |
| 1206 } | |
| 1207 var flags = data.scalerFlags; | |
| 1208 var settings = data.settings; | |
| 1209 highlight('rot', settings.rot); | |
| 1210 highlight('brgt', settings.brgt); | |
| 1211 highlight('cont', settings.cont); | |
| 1212 highlight('bird', settings.isBirdDivVisible); | |
| 1213 highlight('help', settings.isAboutDivVisible); | |
| 1214 highlight('hmir', flags.hmir); | |
| 1215 highlight('vmir', flags.vmir); | |
| 759 | 1216 highlight('quality', flags.q1 || flags.q2); |
| 758 | 1217 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1218 }; | |
| 768 | 1219 |
|
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|
1220 // create Transform from area and $img |
|
765
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diff
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|
1221 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
651
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changeset
|
1222 var picrect = geom.rectangle($img); |
|
756
8087657fc7bd
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diff
changeset
|
1223 if (mode != null) { |
|
765
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diff
changeset
|
1224 var imgInfo = data.imgInfo; |
|
756
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diff
changeset
|
1225 if (mode === 'pixel') { |
|
8087657fc7bd
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diff
changeset
|
1226 // scaler mo=clip - image area size does not come from ww, wh |
|
8087657fc7bd
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changeset
|
1227 if (imgInfo != null) { |
|
8087657fc7bd
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changeset
|
1228 area.width = picrect.width / imgInfo.width; |
|
8087657fc7bd
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changeset
|
1229 area.height = picrect.height / imgInfo.height; |
|
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diff
changeset
|
1230 } else { |
|
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diff
changeset
|
1231 console.error("No image info for pixel mode!"); |
|
8087657fc7bd
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|
1232 } |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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|
1233 } |
|
765
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original size mode works with zoom area now. needs error handling.
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diff
changeset
|
1234 if (mode === 'size') { |
|
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diff
changeset
|
1235 // scaler mo=osize - image area size does not come from ww, wh |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
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changeset
|
1236 if (imgInfo != null) { |
|
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changeset
|
1237 var ddpi = parseFloat(data.settings.ddpi); |
|
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changeset
|
1238 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
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original size mode works with zoom area now. needs error handling.
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diff
changeset
|
1239 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
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changeset
|
1240 } else { |
|
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original size mode works with zoom area now. needs error handling.
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diff
changeset
|
1241 console.error("No image info for original size mode!"); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
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diff
changeset
|
1242 } |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
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diff
changeset
|
1243 } |
|
756
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diff
changeset
|
1244 } |
|
651
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diff
changeset
|
1245 var trafo = geom.transform(); |
| 668 | 1246 // move zoom area offset to center |
|
651
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changeset
|
1247 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 668 | 1248 // scale zoom area size to [1,1] |
|
651
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diff
changeset
|
1249 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 668 | 1250 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1251 if (rot || hmir || vmir) { | |
| 1252 // move [0.5,0.5] to center | |
| 1253 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1254 if (hmir) { | |
| 1255 // mirror about center | |
| 1256 trafo.concat(trafo.getMirror('y')); | |
|
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diff
changeset
|
1257 } |
| 668 | 1258 if (vmir) { |
| 1259 // mirror about center | |
| 1260 trafo.concat(trafo.getMirror('x')); | |
|
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diff
changeset
|
1261 } |
| 668 | 1262 if (rot) { |
| 1263 // rotate around center | |
| 1264 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
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changeset
|
1265 } |
| 668 | 1266 // move back |
| 1267 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
706
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diff
changeset
|
1268 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
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diff
changeset
|
1269 // scale to screen position and size |
|
651
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diff
changeset
|
1270 trafo.concat(trafo.getScale(picrect)); |
|
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diff
changeset
|
1271 trafo.concat(trafo.getTranslation(picrect)); |
|
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changeset
|
1272 return trafo; |
| 648 | 1273 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
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diff
changeset
|
1274 |
| 760 | 1275 // update scaler image transform |
| 1276 var updateImgTrafo = function (data) { | |
| 1277 var $img = data.$img; | |
| 1278 if ($img != null && $img.get(0).complete) { | |
|
753
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primitive plugin extension mechanism - unsure how useful this is
hertzhaft
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diff
changeset
|
1279 // create Transform from current zoomArea and image size |
| 668 | 1280 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
756
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diff
changeset
|
1281 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
|
765
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diff
changeset
|
1282 data.scaleMode, data); |
|
753
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primitive plugin extension mechanism - unsure how useful this is
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diff
changeset
|
1283 // console.debug("imgTrafo=", data.imgTrafo); |
| 760 | 1284 } |
| 1285 }; | |
| 768 | 1286 |
| 760 | 1287 // returns function for load event of scaler img |
| 1288 var scalerImgLoadedHandler = function (data) { | |
| 1289 return function () { | |
| 1290 var $img = $(this); | |
| 1291 console.debug("scaler img loaded=",$img); | |
| 1292 var $scaler = data.$scaler; | |
|
753
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diff
changeset
|
1293 var imgRect = geom.rectangle($img); |
| 726 | 1294 // adjust scaler div size |
| 731 | 1295 imgRect.adjustDiv($scaler); |
| 708 | 1296 // show image in case it was hidden (for example in zoomDrag) |
| 726 | 1297 $img.css('visibility', 'visible'); |
| 734 | 1298 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1299 // update display (render marks, etc.) |
| 1300 updateDisplay(data); | |
|
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|
1301 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1302 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1303 |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1304 // returns function for load event of bird's eye view img |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1305 var birdImgLoadedHandler = function (data) { |
|
2d85d820501d
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diff
changeset
|
1306 return function () { |
| 748 | 1307 var $birdImg = $(this); |
| 1308 var birdRect = geom.rectangle($birdImg); | |
| 1309 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1310 if (birdRect.width === 0) { | |
| 1311 // malheureusement IE7 calls load handler when there is no size info yet | |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1312 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 748 | 1313 } |
| 760 | 1314 // update display (zoom area indicator) |
| 1315 updateDisplay(data); | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
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605
diff
changeset
|
1316 }; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
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605
diff
changeset
|
1317 }; |
| 626 | 1318 |
| 1319 // place marks on the image | |
| 1320 var renderMarks = function (data) { | |
| 760 | 1321 if (data.$img == null || data.imgTrafo == null) return; |
| 1322 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 640 | 1323 var $elem = data.$elem; |
| 636 | 1324 var marks = data.marks; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
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734
diff
changeset
|
1325 // clear marks |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
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diff
changeset
|
1326 $elem.find('div.mark').remove(); |
| 626 | 1327 for (var i = 0; i < marks.length; i++) { |
| 1328 var mark = marks[i]; | |
| 636 | 1329 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 1330 var mpos = data.imgTrafo.transform(mark); |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
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diff
changeset
|
1331 console.debug("renderMarks: mpos=",mpos); |
| 626 | 1332 // create mark |
| 1333 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1334 var $mark = $(html); | |
| 1335 $elem.append($mark); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
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734
diff
changeset
|
1336 mpos.adjustDiv($mark); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1337 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1338 } |
| 626 | 1339 }; |
| 648 | 1340 |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
1341 // show zoom area indicator on bird's eye view |
| 716 | 1342 var renderBirdArea = function (data) { |
|
765
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original size mode works with zoom area now. needs error handling.
robcast
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762
diff
changeset
|
1343 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1344 var $birdZoom = data.$birdZoom; |
| 652 | 1345 var zoomArea = data.zoomArea; |
| 716 | 1346 var normalSize = isFullArea(zoomArea); |
| 1347 if (normalSize) { | |
| 1348 $birdZoom.hide(); | |
| 1349 return; | |
| 1350 } else { | |
| 1351 $birdZoom.show(); | |
| 1352 } | |
| 748 | 1353 // create Transform from current area and picsize |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1354 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 731 | 1355 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 748 | 1356 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 734 | 1357 // acount for border width |
| 768 | 1358 var bw = getBorderWidth($birdZoom); |
| 1359 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1360 if (data.settings.interactionMode === 'fullscreen') { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1361 // no animation for fullscreen |
| 731 | 1362 zoomRect.adjustDiv($birdZoom); |
| 716 | 1363 } else { |
| 1364 // nice animation for embedded mode :-) | |
| 734 | 1365 // correct offsetParent because animate doesn't use offset |
| 719 | 1366 var ppos = $birdZoom.offsetParent().offset(); |
| 731 | 1367 var dest = { |
| 748 | 1368 left : (zoomRect.x - ppos.left) + 'px', |
| 1369 top : (zoomRect.y - ppos.top) + 'px', | |
| 1370 width : zoomRect.width, | |
| 1371 height : zoomRect.height | |
| 1372 }; | |
| 731 | 1373 $birdZoom.animate(dest); |
| 716 | 1374 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
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656
diff
changeset
|
1375 }; |
| 652 | 1376 |
| 640 | 1377 // zooms by the given factor |
| 636 | 1378 var zoomBy = function(data, factor) { |
| 1379 var area = data.zoomArea; | |
| 1380 var newarea = area.copy(); | |
| 1381 // scale | |
| 1382 newarea.width /= factor; | |
| 1383 newarea.height /= factor; | |
| 1384 // and recenter | |
| 1385 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1386 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1387 newarea = FULL_AREA.fit(newarea); |
| 636 | 1388 data.zoomArea = newarea; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1389 redisplay(data); |
| 636 | 1390 }; |
| 1391 | |
| 640 | 1392 // add a mark where clicked |
| 1393 var setMark = function (data) { | |
| 642 | 1394 var $scaler = data.$scaler; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1395 // unbind other handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
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734
diff
changeset
|
1396 $scaler.unbind(".dlZoomDrag"); |
| 640 | 1397 // start event capturing |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
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734
diff
changeset
|
1398 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 640 | 1399 // event handler adding a new mark |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1400 console.log("setmark at=", evt); |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1401 var mpos = geom.position(evt); |
| 640 | 1402 var pos = data.imgTrafo.invtransform(mpos); |
| 1403 data.marks.push(pos); | |
| 1404 redisplay(data); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
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734
diff
changeset
|
1405 return false; |
| 640 | 1406 }); |
| 1407 }; | |
| 661 | 1408 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1409 // zoom to the area around two clicked points |
| 647 | 1410 var zoomArea = function(data) { |
| 1411 $elem = data.$elem; | |
| 1412 $scaler = data.$scaler; | |
| 1413 var pt1, pt2; | |
| 1414 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1415 $elem.append($zoomDiv); | |
| 768 | 1416 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 647 | 1417 var picRect = geom.rectangle($scaler); |
| 1418 // FIX ME: is there a way to query the border width from CSS info? | |
| 1419 // rect.x -= 2; // account for overlay borders | |
| 1420 // rect.y -= 2; | |
| 1421 | |
| 1422 var zoomStart = function (evt) { | |
| 1423 pt1 = geom.position(evt); | |
| 1424 // setup and show zoom div | |
| 731 | 1425 pt1.adjustDiv($zoomDiv); |
| 661 | 1426 $zoomDiv.width(0).height(0); |
| 647 | 1427 $zoomDiv.show(); |
| 1428 // register events | |
| 731 | 1429 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1430 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1431 return false; |
| 1432 }; | |
| 661 | 1433 |
| 734 | 1434 // mouse move handler |
| 1435 var zoomMove = function (evt) { | |
| 1436 pt2 = geom.position(evt); | |
| 1437 var rect = geom.rectangle(pt1, pt2); | |
| 1438 rect.clipTo(picRect); | |
| 1439 // update zoom div | |
| 1440 rect.adjustDiv($zoomDiv); | |
| 1441 return false; | |
| 1442 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
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diff
changeset
|
1443 |
| 647 | 1444 // mouseup handler: end moving |
| 1445 var zoomEnd = function (evt) { | |
| 1446 pt2 = geom.position(evt); | |
| 1447 // assume a click and continue if the area is too small | |
| 1448 var clickRect = geom.rectangle(pt1, pt2); | |
| 703 | 1449 if (clickRect.getArea() <= 5) return false; |
| 647 | 1450 // hide zoom div |
| 1451 $zoomDiv.remove(); | |
| 1452 // unregister events | |
| 731 | 1453 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1454 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1455 // clip and transform |
| 1456 clickRect.clipTo(picRect); | |
| 1457 var area = data.imgTrafo.invtransform(clickRect); | |
| 1458 data.zoomArea = area; | |
| 1459 // zoomed is always fit | |
| 1460 data.settings.ws = 1; | |
| 731 | 1461 delete data.dlOpts.fitwidth; |
| 1462 delete data.dlOpts.fitheight; | |
| 647 | 1463 redisplay(data); |
| 1464 return false; | |
| 1465 }; | |
| 661 | 1466 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1467 // clear old handler (also ZoomDrag) |
| 731 | 1468 $scaler.unbind('.dlZoomArea'); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1469 $scaler.unbind(".dlZoomDrag"); |
| 731 | 1470 $elem.unbind('.dlZoomArea'); |
| 647 | 1471 // bind start zoom handler |
| 731 | 1472 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 647 | 1473 }; |
| 640 | 1474 |
| 716 | 1475 // bird's eye view zoom area click and drag handler |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1476 var setupBirdDrag = function(data) { |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
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diff
changeset
|
1477 var $birdImg = data.$birdImg; |
|
ba582354e659
first step at dragging birdview zoom indicator around
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diff
changeset
|
1478 var $birdZoom = data.$birdZoom; |
| 723 | 1479 var $document = $(document); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
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741
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changeset
|
1480 var $scaler = data.$scaler; |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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diff
changeset
|
1481 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 768 | 1482 var bw = getBorderWidth($birdZoom); |
|
671
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1483 |
| 734 | 1484 // mousedown handler: start dragging bird zoom to a new position |
| 1485 var birdZoomStartDrag = function(evt) { | |
| 1486 startPos = geom.position(evt); | |
| 1487 // position may have changed | |
| 1488 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1489 birdImgRect = geom.rectangle($birdImg); | |
| 1490 birdZoomRect = geom.rectangle($birdZoom); | |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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741
diff
changeset
|
1491 scalerPos = geom.position($scaler); |
| 734 | 1492 newRect = null; |
|
739
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changeset
|
1493 fullRect = setZoomBG(data); // setup zoom background image |
| 734 | 1494 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1495 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1496 return false; | |
| 1497 }; | |
| 1498 | |
| 726 | 1499 // mousemove handler: drag |
|
671
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1500 var birdZoomMove = function(evt) { |
|
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diff
changeset
|
1501 var pos = geom.position(evt); |
| 723 | 1502 var delta = startPos.delta(pos); |
|
671
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diff
changeset
|
1503 // move birdZoom div, keeping size |
| 723 | 1504 newRect = birdZoomRect.copy(); |
| 726 | 1505 newRect.addPosition(delta); |
|
671
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diff
changeset
|
1506 newRect.stayInside(birdImgRect); |
|
739
58fcf8d8649f
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738
diff
changeset
|
1507 // reflect birdview zoom position in scaler image |
|
58fcf8d8649f
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738
diff
changeset
|
1508 var area = data.birdTrafo.invtransform(newRect); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1509 var imgArea = data.imgTrafo.transform(area); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1510 var offset = imgArea.getPosition().neg(); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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parents:
741
diff
changeset
|
1511 offset.add(scalerPos); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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diff
changeset
|
1512 if (fullRect) { |
|
58fcf8d8649f
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738
diff
changeset
|
1513 var bgPos = fullRect.getPosition().add(offset); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1514 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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diff
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|
1515 var bgPos = offset; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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diff
changeset
|
1516 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1517 // move the background image to the new position |
|
58fcf8d8649f
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738
diff
changeset
|
1518 data.$scaler.css({ |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1519 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1520 }); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1521 // acount for border width |
| 768 | 1522 newRect.addPosition({x : -bw, y : -bw}); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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parents:
741
diff
changeset
|
1523 newRect.adjustDiv($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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670
diff
changeset
|
1524 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1525 }; |
|
ba582354e659
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diff
changeset
|
1526 |
| 726 | 1527 // mouseup handler: reload page |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
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diff
changeset
|
1528 var birdZoomEndDrag = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1529 var settings = data.settings; |
| 723 | 1530 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1531 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1532 if (newRect == null) { | |
| 1533 // no movement happened - set center to click position | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1534 startPos = birdZoomRect.getCenter(); |
| 723 | 1535 birdZoomMove(evt); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1536 } |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1537 // ugly, but needed to prevent double border width compensation |
| 768 | 1538 newRect.addPosition({x : bw, y : bw}); |
| 723 | 1539 var newArea = data.birdTrafo.invtransform(newRect); |
| 1540 data.zoomArea = newArea; | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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670
diff
changeset
|
1541 redisplay(data); |
|
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1542 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1543 }; |
|
ba582354e659
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parents:
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diff
changeset
|
1544 |
| 723 | 1545 // clear old handler |
| 1546 $document.unbind(".dlBirdMove"); | |
| 1547 $birdImg.unbind(".dlBirdMove"); | |
| 1548 $birdZoom.unbind(".dlBirdMove"); | |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1549 if (! isFullArea(data.zoomArea)) { |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1550 // set new handler |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1551 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1552 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1553 } |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1554 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1555 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1556 // move bird zoom indicator to reflect zoomed detail area |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1557 var setBirdZoom = function(data, rect) { |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1558 var part = data.imgTrafo.invtransform(rect); |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1559 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1560 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1561 var birdRect = birdTrafo.transform(part); |
| 768 | 1562 var $birdZoom = data.$birdZoom; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1563 // acount for border width |
| 768 | 1564 var bw = getBorderWidth($birdZoom); |
| 1565 birdRect.addPosition({x : -bw, y : -bw}); | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1566 birdRect.adjustDiv(data.$birdZoom); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1567 }; |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1568 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1569 // set zoom background |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1570 var setZoomBG = function(data) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1571 var $scaler = data.$scaler; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1572 var $img = data.$img; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1573 var fullRect = null; |
| 760 | 1574 // hide marks |
| 1575 data.$elem.find('div.mark').hide(); | |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1576 // hide the scaler img, show background of div instead |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1577 $img.css('visibility', 'hidden'); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1578 var scalerCss = { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1579 'background-image' : 'url(' + $img.attr('src') + ')', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1580 'background-repeat' : 'no-repeat', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1581 'background-position' : 'left top', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1582 'opacity' : '0.5', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1583 'cursor' : 'move' |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1584 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1585 if (data.hasBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1586 // full-size background using CSS3-background-size |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1587 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1588 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1589 // correct offset because background is relative |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1590 var scalerPos = geom.position($scaler); |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1591 fullRect.addPosition(scalerPos.neg()); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1592 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1593 scalerCss['background-image'] = 'url(' + url + ')'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1594 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1595 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1596 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1597 // too big |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1598 fullRect = null; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1599 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1600 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1601 $scaler.css(scalerCss); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1602 // isBgReady = true; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1603 return fullRect; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1604 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1605 |
| 731 | 1606 // setup handlers for dragging the zoomed image |
| 698 | 1607 var setupZoomDrag = function(data) { |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1608 var startPos, delta, fullRect; |
| 726 | 1609 var $document = $(document); |
| 698 | 1610 var $elem = data.$elem; |
| 1611 var $scaler = data.$scaler; | |
| 1612 var $img = data.$img; | |
| 703 | 1613 |
| 726 | 1614 // drag the image and load a new detail on mouse up |
| 698 | 1615 var dragStart = function (evt) { |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1616 console.debug("dragstart at=",evt); |
|
730
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1617 // don't start dragging if not zoomed |
|
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1618 if (isFullArea(data.zoomArea)) return false; |
| 726 | 1619 startPos = geom.position(evt); |
| 734 | 1620 delta = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1621 // set low res background immediately on mousedown |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1622 fullRect = setZoomBG(data); |
| 726 | 1623 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1624 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1625 return false; |
| 698 | 1626 }; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1627 |
| 726 | 1628 // mousemove handler: drag zoomed image |
| 698 | 1629 var dragMove = function (evt) { |
| 1630 var pos = geom.position(evt); | |
| 734 | 1631 delta = startPos.delta(pos); |
| 1632 if (fullRect) { | |
| 1633 var bgPos = fullRect.getPosition().add(delta); | |
| 1634 } else { | |
| 1635 var bgPos = delta; | |
| 1636 } | |
| 698 | 1637 // move the background image to the new position |
| 708 | 1638 $scaler.css({ |
| 734 | 1639 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 698 | 1640 }); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1641 // set birdview indicator to reflect new zoom position |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1642 var za = geom.rectangle($img); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1643 za.addPosition(delta.neg()); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1644 setBirdZoom(data, za); |
| 698 | 1645 return false; |
| 1646 }; | |
| 703 | 1647 |
| 726 | 1648 // mouseup handler: reload zoomed image in new position |
| 698 | 1649 var dragEnd = function (evt) { |
| 732 | 1650 $scaler.css('cursor', 'auto'); |
| 726 | 1651 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1652 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1653 if (delta == null || delta.distance() < 2) { | |
| 1654 // no movement | |
| 1655 $img.css('visibility', 'visible'); | |
| 734 | 1656 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1657 // unhide marks |
| 1658 data.$elem.find('div.mark').show(); | |
| 726 | 1659 return false; |
| 1660 } | |
| 1661 // get old zoom area (screen coordinates) | |
| 734 | 1662 var za = geom.rectangle($img); |
| 726 | 1663 // move |
| 734 | 1664 za.addPosition(delta.neg()); |
| 726 | 1665 // transform back |
| 1666 var newArea = data.imgTrafo.invtransform(za); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1667 data.zoomArea = FULL_AREA.fit(newArea); |
|
701
2660b733a1e7
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
700
diff
changeset
|
1668 redisplay(data); |
| 698 | 1669 return false; |
| 1670 }; | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1671 |
| 726 | 1672 // clear old handler |
| 1673 $document.unbind(".dlZoomDrag"); | |
| 734 | 1674 $scaler.unbind(".dlZoomDrag"); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1675 if (! isFullArea(data.zoomArea)) { |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1676 // set handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1677 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1678 } |
| 698 | 1679 }; |
| 1680 | |
| 696 | 1681 // get image quality as a number (0..2) |
| 1682 var getQuality = function (data) { | |
| 1683 var flags = data.scalerFlags; | |
| 1684 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1685 return parseInt(q[1], 10); | |
| 699 | 1686 }; |
| 696 | 1687 |
| 1688 // set image quality as a number (0..2) | |
| 1689 var setQuality = function (data, qual) { | |
| 1690 var flags = data.scalerFlags; | |
| 1691 // clear flags | |
| 1692 for (var i = 0; i < 3; ++i) { | |
| 1693 delete flags['q'+i]; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1694 } |
| 696 | 1695 flags['q'+qual] = 'q'+qual; |
| 699 | 1696 }; |
| 703 | 1697 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1698 // get image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1699 var getScaleMode = function (data) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1700 if (data.scalerFlags.clip != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1701 return 'pixel'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1702 } else if (data.scalerFlags.osize != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1703 return 'size'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1704 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1705 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1706 return 'screen'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1707 }; |
| 768 | 1708 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1709 // set image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1710 var setScaleMode = function (data, mode) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1711 delete data.scalerFlags.fit; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1712 delete data.scalerFlags.clip; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1713 delete data.scalerFlags.osize; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1714 if (mode === 'pixel') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1715 data.scalerFlags.clip = 'clip'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1716 } else if (mode === 'size') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1717 data.scalerFlags.osize = 'osize'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1718 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1719 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1720 }; |
| 768 | 1721 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1722 // sets a key to a value (relative values with +/- if relative=true) |
| 643 | 1723 var setNumValue = function(settings, key, value) { |
| 709 | 1724 if (value == null) return null; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1725 if (isNumber(value)) { |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1726 settings[key] = value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1727 return value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1728 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1729 var sign = value[0]; |
| 643 | 1730 if (sign === '+' || sign === '-') { |
| 1731 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1732 // this isn't perfect but still... |
| 643 | 1733 settings[key] = 0; |
|
706
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1734 } |
| 643 | 1735 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1736 } else { | |
| 1737 settings[key] = value; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1738 } |
| 643 | 1739 return settings[key]; |
| 1740 }; | |
| 648 | 1741 |
| 768 | 1742 // auxiliary function, assuming equal border width on all sides |
| 1743 var getBorderWidth = function($elem) { | |
| 1744 var border = $elem.outerWidth() - $elem.width(); | |
| 1745 return border/2; | |
| 1746 }; | |
| 1747 | |
| 648 | 1748 // auxiliary function (from old dllib.js) |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1749 var isFullArea = function(area) { |
| 652 | 1750 return (area.width === 1.0) && (area.height === 1.0); |
| 648 | 1751 }; |
| 1752 | |
| 634 | 1753 // auxiliary function (from Douglas Crockford, A.10) |
| 1754 var isNumber = function isNumber(value) { | |
| 703 | 1755 return typeof value === 'number' && isFinite(value); |
| 634 | 1756 }; |
| 648 | 1757 |
| 624 | 1758 // auxiliary function to crop senseless precision |
| 1759 var cropFloat = function (x) { | |
| 630 | 1760 return parseInt(10000 * x, 10) / 10000; |
| 624 | 1761 }; |
| 648 | 1762 |
| 685 | 1763 // fallback for console.log calls |
| 1764 if (customConsole) { | |
| 1765 var logFunction = function(type) { | |
| 1766 return function(){ | |
| 1767 var $debug = $('#debug'); // debug div | |
| 1768 if (!$debug) return; | |
| 1769 var args = Array.prototype.slice.call(arguments); | |
| 1770 var argtext = args.join(' '); | |
| 1771 var $logDiv = $('<div/>'); | |
| 1772 $logDiv.addClass(type); | |
| 1773 $logDiv.text(argtext); | |
| 1774 $debug.append($logDiv); | |
| 1775 }; | |
| 1776 }; | |
| 1777 console.log = logFunction('_log'); | |
| 1778 console.debug = logFunction('_debug'); | |
| 1779 console.error = logFunction('_error'); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1780 } |
| 685 | 1781 |
| 780 | 1782 // functions to export to plugins |
| 1783 fn = { | |
| 784 | 1784 geometry : geom, |
| 1785 FULL_AREA : FULL_AREA, | |
| 780 | 1786 parseQueryString : parseQueryString, |
| 1787 getScalerUrl : getScalerUrl, | |
| 1788 getParamString : getParamString, | |
| 1789 getDigilibUrl : getDigilibUrl, | |
| 1790 unpackParams : unpackParams, | |
| 1791 packParams : packParams, | |
| 1792 redisplay : redisplay, | |
| 1793 updateDisplay : updateDisplay, | |
| 784 | 1794 showDiv : showDiv, |
| 780 | 1795 getImgTrafo : getImgTrafo, |
| 1796 getQuality : getQuality, | |
| 1797 setQuality : setQuality, | |
| 1798 getScaleMode : getScaleMode, | |
| 1799 setScaleMode : setScaleMode, | |
| 1800 isFullArea : isFullArea | |
| 1801 }; | |
| 781 | 1802 |
| 598 | 1803 // hook plugin into jquery |
| 778 | 1804 $.fn.digilib = function (action) { |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1805 // plugin extension mechanism |
| 779 | 1806 if (action === 'plugin') { |
| 1807 var plugin = arguments[1]; | |
| 1808 // each plugin needs a name | |
| 1809 if (plugin.name != null) { | |
| 785 | 1810 console.log('installing plugin:', plugin.name); |
| 779 | 1811 plugins[plugin.name] = plugin; |
| 1812 } | |
| 780 | 1813 // initialisation of plugins done later |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1814 } else if (actions[action]) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1815 // call action on this with the remaining arguments (inserting data as first argument) |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1816 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1817 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1818 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1819 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1820 return actions[action].apply(this, args); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1821 } else if (typeof(action) === 'object' || !action) { |
| 627 | 1822 // call init on this |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1823 return actions.init.apply(this, arguments); |
| 598 | 1824 } else { |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1825 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1826 } |
| 598 | 1827 }; |
| 685 | 1828 |
| 597 | 1829 })(jQuery); |