Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 780:fd86688e6be0 jquery
more new plugin architecture.
| author | robcast |
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| date | Thu, 17 Feb 2011 22:36:49 +0100 |
| parents | 7afa40517871 |
| children | 29de7131a5a8 |
| 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"], |
| 226 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
| 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"], |
| 761 | 232 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
| 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 = {}; | |
| 256 | |
| 780 | 257 // object to export functions to plugins |
| 258 var fn; | |
| 259 | |
| 779 | 260 // affine geometry plugin stub |
| 778 | 261 var geom; |
| 648 | 262 |
| 778 | 263 var FULL_AREA; |
| 648 | 264 |
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265 var actions = { |
| 661 | 266 // init: digilib initialization |
| 267 init : function(options) { | |
| 779 | 268 // import geometry classes |
| 269 if (plugins.geometry == null) { | |
| 270 $.error("jquery.digilib.geometry plugin not found!"); | |
| 778 | 271 geom = dlGeometry(); |
| 272 } else { | |
| 779 | 273 geom = plugins.geometry.init(); |
| 778 | 274 } |
| 275 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 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 } |
| 661 | 322 // store $(this) element in the settings |
| 778 | 323 elemSettings = $.extend({}, settings, params); |
| 690 | 324 data = { |
| 661 | 325 $elem : $elem, |
| 326 settings : elemSettings, | |
| 681 | 327 queryParams : params |
| 661 | 328 }; |
| 329 // store in data element | |
| 330 $elem.data('digilib', data); | |
| 331 } | |
| 332 unpackParams(data); | |
| 737 | 333 // check if browser knows *background-size |
| 734 | 334 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 335 if ($elem.css(bs+'background-size')) { | |
| 336 data.hasBgSize = true; | |
| 337 data.bgSizeName = bs+'background-size'; | |
| 338 break; | |
| 339 } | |
| 340 } | |
| 737 | 341 // check digilib base URL |
| 342 if (elemSettings.digilibBaseUrl == null) { | |
| 343 if (isFullscreen) { | |
| 344 // take current host | |
| 345 var url = window.location.toString(); | |
| 346 var pos = url.indexOf('?'); | |
| 347 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 348 } else { | |
| 349 var url = elemSettings.scalerBaseUrl; | |
| 350 if (url) { | |
| 351 // build it from scaler URL | |
| 352 var bp = url.indexOf('/servlet/Scaler'); | |
| 758 | 353 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 737 | 354 } |
| 355 } | |
| 356 } | |
| 779 | 357 // initialise plugins |
| 780 | 358 for (n in plugins) { |
| 359 var p = plugins[n]; | |
| 360 // share common objects | |
| 361 p.buttons = buttons; | |
| 362 p.actions = actions; | |
| 363 p.fn = fn; | |
| 364 // and init | |
| 365 p.init(data); | |
| 779 | 366 } |
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367 // get image info from server if needed |
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368 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 760 | 369 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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370 } |
| 772 | 371 // create buttons before scaler |
| 690 | 372 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
| 373 showButtons(data, true, i); | |
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374 } |
| 772 | 375 // create HTML structure for scaler, taking width of buttons div into account |
| 376 setupScalerDiv(data); | |
| 758 | 377 highlightButtons(data); |
| 661 | 378 // bird's eye view creation |
| 703 | 379 if (elemSettings.isBirdDivVisible) { |
| 631 | 380 setupBirdDiv(data); |
| 716 | 381 data.$birdDiv.show(); |
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382 } |
| 661 | 383 // about window creation - TODO: could be deferred? restrict to only one item? |
| 384 setupAboutDiv(data); | |
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385 // drag zoom area around in scaler div |
| 748 | 386 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 661 | 387 }); |
| 388 }, | |
| 389 | |
| 390 // destroy: clean up digilib | |
| 391 destroy : function(data) { | |
| 392 return this.each(function(){ | |
| 393 var $elem = $(this); | |
| 394 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 395 data.digilib.remove(); | |
| 396 $elem.removeData('digilib'); | |
| 397 }); | |
| 398 }, | |
| 399 | |
| 400 // show or hide the 'about' window | |
| 401 showAboutDiv : function(data, show) { | |
| 758 | 402 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 403 data.settings.isAboutDivVisible = on; | |
| 404 highlightButtons(data, 'help', on); | |
| 661 | 405 }, |
| 648 | 406 |
| 661 | 407 // event handler: toggles the visibility of the bird's eye window |
| 408 showBirdDiv : function (data, show) { | |
| 719 | 409 var settings = data.settings; |
| 661 | 410 if (data.$birdDiv == null) { |
| 411 // no bird div -> create | |
| 412 setupBirdDiv(data); | |
| 413 } | |
| 758 | 414 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 415 settings.isBirdDivVisible = on; | |
| 416 highlightButtons(data, 'bird', on); | |
| 719 | 417 updateBirdDiv(data); |
| 716 | 418 storeOptions(data); |
| 661 | 419 }, |
| 420 | |
| 421 // goto given page nr (+/-: relative) | |
| 422 gotoPage : function (data, pageNr) { | |
| 423 var settings = data.settings; | |
| 424 var oldpn = settings.pn; | |
| 709 | 425 if (pageNr == null) { |
| 426 pageNr = window.prompt("Goto page number", oldpn); | |
| 427 } | |
| 661 | 428 var pn = setNumValue(settings, "pn", pageNr); |
| 429 if (pn == null) return false; // nothing happened | |
| 430 if (pn < 1) { | |
| 431 alert("no such page (page number too low)"); | |
| 432 settings.pn = oldpn; | |
| 433 return false; | |
| 434 } | |
| 760 | 435 // TODO: how do we get pt? |
| 661 | 436 if (settings.pt) { |
| 437 if (pn > settings.pt) { | |
| 438 alert("no such page (page number too high)"); | |
| 616 | 439 settings.pn = oldpn; |
| 440 return false; | |
| 627 | 441 } |
| 661 | 442 } |
| 443 // reset mk and others(?) | |
| 444 data.marks = []; | |
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445 data.zoomArea = FULL_AREA; |
| 661 | 446 // then reload |
| 447 redisplay(data); | |
| 448 }, | |
| 647 | 449 |
| 661 | 450 // zoom by a given factor |
| 451 zoomBy : function (data, factor) { | |
| 452 zoomBy(data, factor); | |
| 453 }, | |
| 640 | 454 |
| 760 | 455 // zoom to area (or interactive) |
| 456 zoomArea : function (data, area) { | |
| 457 var settings = data.settings; | |
| 458 if (area == null) { | |
| 459 // interactively | |
| 460 zoomArea(data); | |
| 461 } else { | |
| 462 data.zoomArea = geom.rectangle(area); | |
| 463 redisplay(data); | |
| 464 } | |
| 661 | 465 }, |
| 643 | 466 |
| 661 | 467 // zoom out to full page |
| 468 zoomFull : function (data, mode) { | |
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469 data.zoomArea = FULL_AREA; |
| 661 | 470 if (mode === 'width') { |
| 471 data.dlOpts.fitwidth = 1; | |
| 472 delete data.dlOpts.fitheight; | |
| 473 } else if (mode === 'height') { | |
| 474 data.dlOpts.fitheight = 1; | |
| 475 delete data.dlOpts.fitwidth; | |
| 476 } else { | |
| 477 delete data.dlOpts.fitwidth; | |
| 478 delete data.dlOpts.fitheight; | |
| 479 } | |
| 480 redisplay(data); | |
| 481 }, | |
| 482 | |
| 483 // set a mark by clicking (or giving a position) | |
| 484 setMark : function (data, mpos) { | |
| 485 if (mpos == null) { | |
| 486 // interactive | |
| 487 setMark(data); | |
| 488 } else { | |
| 489 // use position | |
| 490 data.marks.push(pos); | |
| 656 | 491 redisplay(data); |
| 597 | 492 } |
| 661 | 493 }, |
| 494 | |
| 495 // remove the last mark | |
| 496 removeMark : function (data) { | |
| 497 data.marks.pop(); | |
| 498 redisplay(data); | |
| 499 }, | |
| 500 | |
| 501 // mirror the image | |
| 502 mirror : function (data, mode) { | |
| 503 var flags = data.scalerFlags; | |
| 504 if (mode === 'h') { | |
| 505 if (flags.hmir) { | |
| 506 delete flags.hmir; | |
| 507 } else { | |
| 508 flags.hmir = 1; | |
| 509 } | |
| 510 } else { | |
| 511 if (flags.vmir) { | |
| 512 delete flags.vmir; | |
| 513 } else { | |
| 514 flags.vmir = 1; | |
| 515 } | |
| 516 } | |
| 517 redisplay(data); | |
| 518 }, | |
| 643 | 519 |
| 661 | 520 // rotate the image |
| 521 rotate : function (data, angle) { | |
| 522 var rot = data.settings.rot; | |
| 523 if (angle == null) { | |
| 524 angle = window.prompt("Rotation angle:", rot); | |
| 525 } | |
| 526 data.settings.rot = angle; | |
| 527 redisplay(data); | |
| 528 }, | |
| 529 | |
| 530 // change brightness | |
| 531 brightness : function (data, factor) { | |
| 532 var brgt = data.settings.brgt; | |
| 533 if (factor == null) { | |
| 534 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 535 } | |
| 536 data.settings.brgt = factor; | |
| 537 redisplay(data); | |
| 538 }, | |
| 539 | |
| 540 // change contrast | |
| 541 contrast : function (data, factor) { | |
| 542 var cont = data.settings.cont; | |
| 543 if (factor == null) { | |
| 544 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 545 } | |
| 546 data.settings.cont = factor; | |
| 547 redisplay(data); | |
| 681 | 548 }, |
| 703 | 549 |
| 683 | 550 // display more (or less) button sets |
| 741 | 551 moreButtons : function (data, more) { |
| 689 | 552 var settings = data.settings; |
| 692 | 553 if (more == null) { |
| 696 | 554 // toggle more or less (only works for 2 sets) |
| 692 | 555 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 556 if (settings.visibleButtonSets >= maxbtns) { | |
| 557 more = '-1'; | |
| 558 } else { | |
| 559 more = '+1'; | |
| 560 } | |
| 561 } | |
| 683 | 562 if (more === '-1') { |
| 563 // remove set | |
| 690 | 564 var setIdx = settings.visibleButtonSets - 1; |
| 565 if (showButtons(data, false, setIdx, true)) { | |
| 566 settings.visibleButtonSets--; | |
| 567 } | |
| 683 | 568 } else { |
| 569 // add set | |
| 690 | 570 var setIdx = settings.visibleButtonSets; |
| 571 if (showButtons(data, true, setIdx, true)) { | |
| 572 settings.visibleButtonSets++; | |
| 683 | 573 } |
| 574 } | |
| 716 | 575 // persist setting |
| 576 storeOptions(data); | |
| 684 | 577 }, |
| 681 | 578 |
| 696 | 579 // reset image parameters to defaults |
| 681 | 580 reset : function (data) { |
| 581 var settings = data.settings; | |
| 582 var paramNames = settings.digilibParamNames; | |
| 583 var params = data.queryParams; | |
| 584 // delete all digilib parameters | |
| 585 for (var i = 0; i < paramNames.length; i++) { | |
| 586 var paramName = paramNames[i]; | |
| 587 delete settings[paramName]; | |
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588 } |
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589 settings.fn = params.fn || ''; // no default defined |
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590 settings.pn = params.pn || defaults.pn; |
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591 settings.dw = params.dw; |
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592 settings.dh = params.dh; |
| 702 | 593 settings.isBirdDivVisible = false; |
| 594 settings.visibleButtonSets = 1; | |
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595 // resets zoomArea, marks, scalerflags |
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596 data.zoomArea = FULL_AREA; |
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597 data.marks = []; |
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598 data.scalerFlags = {}; |
| 705 | 599 delete data.dlOpts.fitwidth; |
| 600 delete data.dlOpts.fitheight; | |
| 681 | 601 redisplay(data); |
| 682 | 602 }, |
| 603 | |
| 696 | 604 // presents a reference url (returns value if noprompt) |
| 605 reference : function (data, noprompt) { | |
| 682 | 606 var settings = data.settings; |
| 737 | 607 var url = getDigilibUrl(data); |
| 696 | 608 if (noprompt == null) { |
| 609 window.prompt("URL reference to the current view", url); | |
| 610 } | |
| 611 return url; | |
| 612 }, | |
| 703 | 613 |
| 696 | 614 // set image quality |
| 741 | 615 setQuality : function (data, qual) { |
| 696 | 616 var oldq = getQuality(data); |
| 617 if (qual == null) { | |
| 618 qual = window.prompt("Image quality (0..2)", oldq); | |
| 619 } | |
| 620 qual = parseInt(qual, 10); | |
| 621 if (qual >= 0 && qual <= 2) { | |
| 622 setQuality(data, qual); | |
| 623 redisplay(data); | |
| 624 } | |
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625 }, |
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626 |
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627 // calibrate (only faking) |
|
765
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628 calibrate : function (data, res) { |
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629 var oldRes = data.settings.ddpi; |
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630 if (res == null) { |
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631 res = window.prompt("Display resolution (dpi)", oldRes); |
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632 } |
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633 if (res != null) { |
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634 data.settings.ddpi = res; |
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635 redisplay(data); |
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636 } |
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637 }, |
| 768 | 638 |
|
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639 // set image scale mode |
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640 setScaleMode : function (data, mode) { |
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641 var oldM = getScaleMode(data); |
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642 if (mode == null) { |
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643 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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644 } |
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645 if (mode != null) { |
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646 setScaleMode(data, mode); |
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756
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647 data.scaleMode = mode; |
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648 redisplay(data); |
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649 } |
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650 } |
| 768 | 651 |
|
756
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652 // end of actions |
| 598 | 653 }; |
| 597 | 654 |
| 601 | 655 // returns parameters from page url |
| 600 | 656 var parseQueryParams = function() { |
| 629 | 657 return parseQueryString(window.location.search.slice(1)); |
| 658 }; | |
| 648 | 659 |
| 629 | 660 // returns parameters from embedded img-element |
| 600 | 661 var parseImgParams = function($elem) { |
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606
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662 var src = $elem.find('img').first().attr('src'); |
| 703 | 663 if (!src) return null; |
| 600 | 664 var pos = src.indexOf('?'); |
| 665 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 666 var scalerUrl = src.substring(0, pos); | |
| 620 | 667 var params = parseQueryString(query); |
| 668 params.scalerBaseUrl = scalerUrl; | |
| 669 return params; | |
| 629 | 670 }; |
| 600 | 671 |
| 601 | 672 // parses query parameter string into parameter object |
| 600 | 673 var parseQueryString = function(query) { |
| 694 | 674 var params = {}; |
| 675 if (query == null) return params; | |
| 600 | 676 var pairs = query.split("&"); |
| 629 | 677 //var keys = []; |
| 600 | 678 for (var i = 0; i < pairs.length; i++) { |
| 679 var pair = pairs[i].split("="); | |
| 680 if (pair.length === 2) { | |
| 620 | 681 params[pair[0]] = pair[1]; |
| 629 | 682 //keys.push(pair[0]); |
| 627 | 683 } |
| 629 | 684 } |
| 620 | 685 return params; |
| 629 | 686 }; |
| 661 | 687 |
| 636 | 688 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 689 var getParamString = function (settings, keys, defaults) { | |
| 608 | 690 var paramString = ''; |
| 643 | 691 var nx = false; |
| 608 | 692 for (i = 0; i < keys.length; ++i) { |
| 693 var key = keys[i]; | |
| 656 | 694 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 608 | 695 // first param gets no '&' |
| 643 | 696 if (nx) { |
| 697 paramString += '&'; | |
| 698 } else { | |
| 699 nx = true; | |
| 700 } | |
| 608 | 701 // add parm=val |
| 702 paramString += key + '=' + settings[key]; | |
| 636 | 703 } |
| 608 | 704 } |
| 705 return paramString; | |
| 624 | 706 }; |
| 707 | |
| 629 | 708 // returns URL and query string for Scaler |
| 709 var getScalerUrl = function (data) { | |
| 734 | 710 packParams(data); |
| 646 | 711 var settings = data.settings; |
| 645 | 712 if (settings.scalerBaseUrl == null) { |
| 713 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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714 } |
| 629 | 715 var keys = settings.scalerParamNames; |
| 636 | 716 var queryString = getParamString(settings, keys, defaults); |
| 629 | 717 var url = settings.scalerBaseUrl + '?' + queryString; |
| 718 return url; | |
| 719 }; | |
| 720 | |
| 734 | 721 // returns URL for bird's eye view image |
| 736 | 722 var getBirdImgUrl = function (data, moreParams) { |
| 734 | 723 var settings = data.settings; |
| 724 var birdDivOptions = { | |
| 725 dw : settings.birdDivWidth, | |
| 726 dh : settings.birdDivHeight | |
| 727 }; | |
| 778 | 728 var birdSettings = $.extend({}, settings, birdDivOptions); |
| 734 | 729 // use only the relevant parameters |
| 736 | 730 if (moreParams == null) { |
| 731 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 732 } else { | |
| 760 | 733 // filter scaler flags |
| 734 if (birdSettings.mo != null) { | |
| 735 var mo = ''; | |
| 736 if (data.scalerFlags.hmir != null) { | |
| 737 mo += 'hmir,'; | |
| 738 } | |
| 739 if (data.scalerFlags.vmir != null) { | |
| 740 mo += 'vmir'; | |
| 741 } | |
| 742 birdSettings.mo = mo; | |
| 743 } | |
| 736 | 744 var params = getParamString(birdSettings, |
| 745 settings.birdDivParams.concat(moreParams), defaults); | |
| 746 } | |
| 747 var url = settings.scalerBaseUrl + '?' + params; | |
| 734 | 748 return url; |
| 749 }; | |
|
738
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|
750 |
| 629 | 751 // returns URL and query string for current digilib |
|
637
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752 var getDigilibUrl = function (data) { |
| 636 | 753 packParams(data); |
| 629 | 754 var settings = data.settings; |
|
637
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|
755 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 737 | 756 return settings.digilibBaseUrl + '?' + queryString; |
| 629 | 757 }; |
| 758 | |
| 760 | 759 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 760 var loadImageInfo = function (data, complete) { | |
|
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761 var settings = data.settings; |
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762 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
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763 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
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|
764 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 760 | 765 // TODO: better error handling |
| 778 | 766 $.getJSON(url, function (json) { |
|
747
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|
767 console.debug("got json data=", json); |
|
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768 data.imgInfo = json; |
|
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769 if (complete != null) { |
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|
770 complete.call(this, data, json); |
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|
771 } |
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|
772 }); |
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|
773 }; |
| 768 | 774 |
| 648 | 775 // processes some parameters into objects and stuff |
| 624 | 776 var unpackParams = function (data) { |
| 777 var settings = data.settings; | |
| 629 | 778 // zoom area |
| 624 | 779 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 780 data.zoomArea = zoomArea; |
| 629 | 781 // marks |
| 624 | 782 var marks = []; |
| 643 | 783 if (settings.mk) { |
| 784 var mk = settings.mk; | |
| 785 if (mk.indexOf(";") >= 0) { | |
| 786 var pa = mk.split(";"); // old format with ";" | |
| 787 } else { | |
| 788 var pa = mk.split(","); // new format | |
|
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|
789 } |
| 643 | 790 for (var i = 0; i < pa.length ; i++) { |
| 791 var pos = pa[i].split("/"); | |
| 792 if (pos.length > 1) { | |
| 793 marks.push(geom.position(pos[0], pos[1])); | |
|
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robcast
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|
794 } |
|
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|
795 } |
|
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796 } |
| 636 | 797 data.marks = marks; |
| 643 | 798 // mo (Scaler flags) |
| 799 var flags = {}; | |
| 800 if (settings.mo) { | |
| 801 var pa = settings.mo.split(","); | |
| 802 for (var i = 0; i < pa.length ; i++) { | |
| 803 flags[pa[i]] = pa[i]; | |
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804 } |
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805 } |
| 643 | 806 data.scalerFlags = flags; |
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807 data.scaleMode = getScaleMode(data); |
| 716 | 808 retrieveOptions(data); |
| 648 | 809 }; |
| 810 | |
| 624 | 811 // put objects back into parameters |
| 812 var packParams = function (data) { | |
| 813 var settings = data.settings; | |
| 629 | 814 // zoom area |
| 636 | 815 if (data.zoomArea) { |
| 640 | 816 settings.wx = cropFloat(data.zoomArea.x); |
| 817 settings.wy = cropFloat(data.zoomArea.y); | |
| 818 settings.ww = cropFloat(data.zoomArea.width); | |
| 819 settings.wh = cropFloat(data.zoomArea.height); | |
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820 } |
| 629 | 821 // marks |
| 636 | 822 if (data.marks) { |
| 643 | 823 settings.mk = ''; |
| 636 | 824 for (var i = 0; i < data.marks.length; i++) { |
| 643 | 825 if (i) { |
| 826 settings.mk += ','; | |
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827 } |
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828 settings.mk += cropFloat(data.marks[i].x).toString() + |
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829 '/' + cropFloat(data.marks[i].y).toString(); |
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830 } |
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831 } |
| 643 | 832 // Scaler flags |
| 833 if (data.scalerFlags) { | |
| 834 var mo = ''; | |
| 835 for (var f in data.scalerFlags) { | |
| 836 if (mo) { | |
| 837 mo += ','; | |
| 838 } | |
| 839 mo += f; | |
| 840 } | |
| 841 settings.mo = mo; | |
| 842 } | |
| 703 | 843 // user interface options |
| 716 | 844 storeOptions(data); |
| 702 | 845 }; |
| 681 | 846 |
| 716 | 847 var storeOptions = function (data) { |
| 694 | 848 // save digilib options in cookie |
| 702 | 849 var settings = data.settings; |
| 850 if (data.dlOpts) { | |
| 851 // save digilib settings in options | |
| 852 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 853 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 854 var clop = ''; | |
| 855 for (var o in data.dlOpts) { | |
| 856 if (clop) { | |
| 857 clop += '&'; | |
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858 } |
| 702 | 859 clop += o + '=' + data.dlOpts[o]; |
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860 } |
| 778 | 861 if ($.cookie) { |
| 702 | 862 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 863 console.debug("set cookie=", ck, " value=", clop); | |
| 778 | 864 $.cookie(ck, clop); |
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865 } |
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866 } |
| 778 | 867 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 720 | 868 // store normal parameters in cookie for embedded mode |
| 869 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 870 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 871 console.debug("set cookie=", ck, " value=", qs); | |
| 778 | 872 $.cookie(ck, qs); |
| 720 | 873 } |
| 624 | 874 }; |
| 648 | 875 |
| 716 | 876 var retrieveOptions = function (data) { |
| 702 | 877 // clop (digilib options) |
| 878 var opts = {}; | |
| 879 var settings = data.settings; | |
| 778 | 880 if ($.cookie) { |
| 702 | 881 // read from cookie |
| 882 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 778 | 883 var cp = $.cookie(ck); |
| 702 | 884 console.debug("get cookie=", ck, " value=", cp); |
| 885 // in query string format | |
| 886 opts = parseQueryString(cp); | |
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887 } |
| 702 | 888 data.dlOpts = opts; |
| 889 // birdview option | |
| 890 if (opts.birdview != null) { | |
| 891 settings.isBirdDivVisible = opts.birdview === '1'; | |
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892 } |
| 702 | 893 // visible button sets |
| 894 if (opts.buttons != null) { | |
| 895 settings.visibleButtonSets = opts.buttons; | |
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896 } |
| 704 | 897 }; |
| 702 | 898 |
| 615 | 899 // (re)load the img from a new scaler URL |
|
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900 var redisplay = function (data) { |
| 629 | 901 var settings = data.settings; |
| 902 if (settings.interactionMode === 'fullscreen') { | |
| 903 // update location.href (browser URL) in fullscreen mode | |
|
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904 var url = getDigilibUrl(data); |
| 629 | 905 var history = window.history; |
| 906 if (typeof(history.pushState) === 'function') { | |
| 907 console.debug("we could modify history, but we don't..."); | |
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908 } |
| 629 | 909 window.location = url; |
| 910 } else { | |
| 911 // embedded mode -- just change img src | |
| 912 var url = getScalerUrl(data); | |
| 913 data.$img.attr('src', url); | |
| 719 | 914 // redisplay bird img |
| 915 updateBirdDiv(data); | |
| 758 | 916 highlightButtons(data); |
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917 } |
| 615 | 918 }; |
| 919 | |
| 760 | 920 // update display (overlays etc.) |
| 921 var updateDisplay = function (data) { | |
| 922 updateImgTrafo(data); | |
| 923 renderMarks(data); | |
| 924 setupZoomDrag(data); | |
| 925 if (data.settings.isBirdDivVisible) { | |
| 926 renderBirdArea(data); | |
| 927 setupBirdDrag(data); | |
| 928 } | |
| 777 | 929 // send event |
| 930 $(data).trigger('update'); | |
| 760 | 931 }; |
| 768 | 932 |
| 655 | 933 // returns maximum size for scaler img in fullscreen mode |
| 771 | 934 var getFullscreenImgSize = function (data) { |
| 655 | 935 var $win = $(window); |
| 936 var winH = $win.height(); | |
| 772 | 937 var winW = $win.width(); |
| 938 var $body = $('body'); | |
| 773 | 939 // include standard body margins |
| 940 var borderW = $body.outerWidth(true) - $body.width(); | |
| 941 var borderH = $body.outerHeight(true) - $body.height(); | |
| 772 | 942 // get width of first button div |
| 943 var buttonsW = 0; | |
| 944 if (data.$buttonSets) { | |
| 945 buttonsW = data.$buttonSets[0].outerWidth(); | |
| 946 } | |
| 947 // account for left/right border, body margins and additional requirements | |
| 773 | 948 var calcW = winW - borderW - buttonsW - data.settings.scalerInset; |
| 949 var calcH = winH - borderH; | |
| 950 console.debug(winW, winH, 'winW:', $win.width(), 'border:', borderW, 'buttonsW:', buttonsW, 'calc:', calcW); | |
| 951 return geom.size(calcW, calcH); | |
| 655 | 952 }; |
| 953 | |
| 601 | 954 // creates HTML structure for digilib in elem |
| 620 | 955 var setupScalerDiv = function (data) { |
| 956 var settings = data.settings; | |
| 640 | 957 var $elem = data.$elem; |
| 718 | 958 $elem.addClass('digilib'); |
| 721 | 959 var $img; |
| 960 var scalerUrl; | |
| 601 | 961 if (settings.interactionMode === 'fullscreen') { |
| 721 | 962 // fullscreen |
| 718 | 963 $elem.addClass('dl_fullscreen'); |
| 771 | 964 var imgSize = getFullscreenImgSize(data); |
| 643 | 965 // fitwidth/height omits destination height/width |
| 721 | 966 if (data.dlOpts.fitheight == null) { |
| 643 | 967 settings.dw = imgSize.width; |
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968 } |
| 721 | 969 if (data.dlOpts.fitwidth == null) { |
| 643 | 970 settings.dh = imgSize.height; |
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971 } |
| 679 | 972 scalerUrl = getScalerUrl(data); |
| 721 | 973 $img = $('<img/>'); |
| 602 | 974 } else { |
| 721 | 975 // embedded mode -- try to keep img tag |
| 718 | 976 $elem.addClass('dl_embedded'); |
| 721 | 977 scalerUrl = getScalerUrl(data); |
| 616 | 978 $img = $elem.find('img'); |
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979 if ($img.length > 0) { |
| 721 | 980 oldUrl = $img.attr('src'); |
| 981 if (oldUrl === scalerUrl) { | |
| 982 console.debug("img detach:", $img); | |
| 983 $img.detach(); | |
| 984 } else { | |
| 985 $img = $('<img/>'); | |
| 986 } | |
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987 } else { |
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988 $img = $('<img/>'); |
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989 } |
| 601 | 990 } |
| 772 | 991 // create new inner html, keep buttons |
| 992 $elem.contents(":not(div.buttons)").remove(); | |
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993 var $scaler = $('<div class="scaler"/>'); |
| 772 | 994 // scaler should be the first child element? |
| 995 $elem.prepend($scaler); | |
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996 $scaler.append($img); |
| 615 | 997 $img.addClass('pic'); |
| 642 | 998 data.$scaler = $scaler; |
| 629 | 999 data.$img = $img; |
| 680 | 1000 // setup image load handler before setting the src attribute (IE bug) |
| 1001 $img.load(scalerImgLoadedHandler(data)); | |
| 760 | 1002 $img.error(function () {console.error("error loading scaler image");}); |
| 680 | 1003 $img.attr('src', scalerUrl); |
| 601 | 1004 }; |
| 608 | 1005 |
| 603 | 1006 // creates HTML structure for buttons in elem |
| 690 | 1007 var createButtons = function (data, buttonSetIdx) { |
| 640 | 1008 var $elem = data.$elem; |
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1009 var settings = data.settings; |
| 658 | 1010 var mode = settings.interactionMode; |
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1011 var buttonSettings = settings.buttonSettings[mode]; |
| 675 | 1012 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 683 | 1013 if (buttonGroup == null) { |
| 1014 // no buttons here | |
| 1015 return; | |
| 1016 } | |
| 1017 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 675 | 1018 var buttonNames = buttonSettings[buttonGroup]; |
| 1019 for (var i = 0; i < buttonNames.length; i++) { | |
| 1020 var buttonName = buttonNames[i]; | |
| 1021 var buttonConfig = settings.buttons[buttonName]; | |
| 658 | 1022 // construct the button html |
| 1023 var $button = $('<div class="button"></div>'); | |
| 1024 var $a = $('<a/>'); | |
| 1025 var $img = $('<img class="button"/>'); | |
| 1026 $buttonsDiv.append($button); | |
| 1027 $button.append($a); | |
| 1028 $a.append($img); | |
| 1029 // add attributes and bindings | |
| 1030 $button.attr('title', buttonConfig.tooltip); | |
| 675 | 1031 $button.addClass('button-' + buttonName); |
| 658 | 1032 // create handler for the buttons |
| 1033 $a.bind('click.digilib', (function () { | |
| 1034 // we create a new closure to capture the value of action | |
| 1035 var action = buttonConfig.onclick; | |
| 1036 if ($.isArray(action)) { | |
| 1037 // the handler function calls digilib with action and parameters | |
| 1038 return function (evt) { | |
| 1039 console.debug('click action=', action, ' evt=', evt); | |
| 1040 $elem.digilib.apply($elem, action); | |
| 1041 return false; | |
| 1042 }; | |
| 1043 } else { | |
| 1044 // the handler function calls digilib with action | |
| 1045 return function (evt) { | |
| 1046 console.debug('click action=', action, ' evt=', evt); | |
| 1047 $elem.digilib(action); | |
| 1048 return false; | |
| 1049 }; | |
| 1050 } | |
| 1051 })()); | |
| 758 | 1052 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 683 | 1053 } |
| 655 | 1054 // make buttons div scroll if too large for window |
| 1055 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1056 $buttonsDiv.css('position', 'absolute'); | |
| 1057 } | |
| 690 | 1058 // buttons hidden at first |
| 1059 $buttonsDiv.hide(); | |
| 1060 $elem.append($buttonsDiv); | |
| 675 | 1061 if (data.$buttonSets == null) { |
| 690 | 1062 // first button set |
| 675 | 1063 data.$buttonSets = [$buttonsDiv]; |
| 1064 } else { | |
| 683 | 1065 $elem.append($buttonsDiv); |
| 675 | 1066 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1067 } | |
| 605 | 1068 return $buttonsDiv; |
| 603 | 1069 }; |
| 608 | 1070 |
| 1071 // creates HTML structure for the bird's eye view in elem | |
| 631 | 1072 var setupBirdDiv = function (data) { |
| 640 | 1073 var $elem = data.$elem; |
| 608 | 1074 // the bird's eye div |
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1075 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 608 | 1076 // the detail indicator frame |
| 719 | 1077 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 608 | 1078 // the small image |
| 1079 var $birdImg = $('<img class="birdimg"/>'); | |
| 716 | 1080 data.$birdDiv = $birdDiv; |
| 1081 data.$birdZoom = $birdZoom; | |
| 1082 data.$birdImg = $birdImg; | |
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1083 $elem.append($birdDiv); |
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1084 $birdDiv.append($birdZoom); |
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1085 $birdDiv.append($birdImg); |
| 768 | 1086 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 716 | 1087 var birdUrl = getBirdImgUrl(data); |
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1088 $birdImg.load(birdImgLoadedHandler(data)); |
| 760 | 1089 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 716 | 1090 $birdImg.attr('src', birdUrl); |
| 1091 }; | |
| 1092 | |
| 1093 // update bird's eye view | |
| 1094 var updateBirdDiv = function (data) { | |
| 1095 if (!data.settings.isBirdDivVisible) return; | |
| 1096 var $birdImg = data.$birdImg; | |
| 1097 var oldsrc = $birdImg.attr('src'); | |
| 1098 var newsrc = getBirdImgUrl(data); | |
| 1099 if (oldsrc !== newsrc) { | |
| 1100 $birdImg.attr('src', newsrc); | |
| 1101 // onload handler re-renders | |
| 1102 } else { | |
| 1103 // re-render | |
| 1104 renderBirdArea(data); | |
| 723 | 1105 // enable click and drag |
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1106 setupBirdDrag(data); |
| 716 | 1107 } |
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1108 }; |
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1109 |
| 618 | 1110 // creates HTML structure for the about view in elem |
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1111 var setupAboutDiv = function (data) { |
| 640 | 1112 var $elem = data.$elem; |
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1113 var settings = data.settings; |
| 618 | 1114 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 609 | 1115 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1116 var $link = $('<a/>'); | |
| 1117 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1118 var $content = $('<p/>'); | |
| 1119 $elem.append($aboutDiv); | |
| 1120 $aboutDiv.append($header); | |
| 1121 $aboutDiv.append($link); | |
| 1122 $aboutDiv.append($content); | |
| 1123 $link.append($logo); | |
| 1124 $logo.attr('src', settings.logoUrl); | |
| 628 | 1125 $link.attr('href', settings.homeUrl); |
| 609 | 1126 $content.text('Version: ' + settings.version); |
| 768 | 1127 data.$aboutDiv = $aboutDiv; |
| 628 | 1128 // click hides |
| 768 | 1129 $aboutDiv.bind('click.digilib', function () { |
| 1130 actions['showAboutDiv'](data, false); | |
| 703 | 1131 }); |
| 627 | 1132 }; |
| 1133 | |
| 628 | 1134 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1135 var showDiv = function (isVisible, $div, show) { | |
| 638 | 1136 if (show == null) { |
| 628 | 1137 // toggle visibility |
| 1138 isVisible = !isVisible; | |
| 1139 } else { | |
| 1140 // set visibility | |
| 1141 isVisible = show; | |
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1142 } |
| 628 | 1143 if (isVisible) { |
| 1144 $div.fadeIn(); | |
| 1145 } else { | |
| 1146 $div.fadeOut(); | |
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1147 } |
| 628 | 1148 return isVisible; |
| 627 | 1149 }; |
| 609 | 1150 |
| 690 | 1151 // display more (or less) button sets |
| 1152 var showButtons = function (data, more, setIdx, animated) { | |
| 704 | 1153 var atime = animated ? 'fast': 0; |
| 690 | 1154 if (more) { |
| 1155 // add set | |
| 1156 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1157 var $set; | |
| 1158 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1159 // set exists | |
| 1160 $set = data.$buttonSets[setIdx]; | |
| 1161 } else { | |
| 1162 $set = createButtons(data, setIdx); | |
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1163 } |
| 690 | 1164 if ($set == null) return false; |
| 758 | 1165 // include border in calculation |
| 1166 var btnWidth = $set.outerWidth(); | |
| 772 | 1167 // console.debug("btnWidth", btnWidth); |
| 690 | 1168 // move remaining sets left and show new set |
| 704 | 1169 if ($otherSets.length > 0) { |
| 1170 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1171 function () {$set.show();}); | |
| 690 | 1172 } else { |
| 1173 $set.show(); | |
| 704 | 1174 } |
| 690 | 1175 } else { |
| 1176 // remove set | |
| 1177 var $set = data.$buttonSets[setIdx]; | |
| 1178 if ($set == null) return false; | |
| 772 | 1179 var btnWidth = $set.outerWidth(); |
| 690 | 1180 // hide last set |
| 1181 $set.hide(); | |
| 1182 // take remaining sets and move right | |
| 1183 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 704 | 1184 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1185 } | |
| 690 | 1186 return true; |
| 1187 }; | |
| 1188 | |
| 758 | 1189 // check for buttons to highlight |
| 1190 var highlightButtons = function (data, name, on) { | |
| 1191 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1192 // add a class for highlighted button | |
| 1193 var highlight = function (name, on) { | |
| 1194 var $button = $buttons.find('div.button-' + name); | |
| 1195 if (on) { | |
| 1196 $button.addClass('button-on'); | |
| 1197 } else { | |
| 1198 $button.removeClass('button-on'); | |
| 1199 } | |
| 1200 }; | |
| 1201 if (name != null) { | |
| 1202 return highlight(name, on); | |
| 1203 } | |
| 1204 var flags = data.scalerFlags; | |
| 1205 var settings = data.settings; | |
| 1206 highlight('rot', settings.rot); | |
| 1207 highlight('brgt', settings.brgt); | |
| 1208 highlight('cont', settings.cont); | |
| 1209 highlight('bird', settings.isBirdDivVisible); | |
| 1210 highlight('help', settings.isAboutDivVisible); | |
| 1211 highlight('hmir', flags.hmir); | |
| 1212 highlight('vmir', flags.vmir); | |
| 759 | 1213 highlight('quality', flags.q1 || flags.q2); |
| 758 | 1214 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1215 }; | |
| 768 | 1216 |
|
651
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split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1217 // create Transform from area and $img |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1218 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1219 var picrect = geom.rectangle($img); |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1220 if (mode != null) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1221 var imgInfo = data.imgInfo; |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1222 if (mode === 'pixel') { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1223 // scaler mo=clip - image area size does not come from ww, wh |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1224 if (imgInfo != null) { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1225 area.width = picrect.width / imgInfo.width; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1226 area.height = picrect.height / imgInfo.height; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1227 } else { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1228 console.error("No image info for pixel mode!"); |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1229 } |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1230 } |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1231 if (mode === 'size') { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1232 // scaler mo=osize - image area size does not come from ww, wh |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1233 if (imgInfo != null) { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1234 var ddpi = parseFloat(data.settings.ddpi); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
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diff
changeset
|
1235 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1236 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1237 } else { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1238 console.error("No image info for original size mode!"); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1239 } |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1240 } |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1241 } |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1242 var trafo = geom.transform(); |
| 668 | 1243 // move zoom area offset to center |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
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diff
changeset
|
1244 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 668 | 1245 // scale zoom area size to [1,1] |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
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diff
changeset
|
1246 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 668 | 1247 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1248 if (rot || hmir || vmir) { | |
| 1249 // move [0.5,0.5] to center | |
| 1250 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1251 if (hmir) { | |
| 1252 // mirror about center | |
| 1253 trafo.concat(trafo.getMirror('y')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1254 } |
| 668 | 1255 if (vmir) { |
| 1256 // mirror about center | |
| 1257 trafo.concat(trafo.getMirror('x')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1258 } |
| 668 | 1259 if (rot) { |
| 1260 // rotate around center | |
| 1261 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1262 } |
| 668 | 1263 // move back |
| 1264 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1265 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1266 // scale to screen position and size |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1267 trafo.concat(trafo.getScale(picrect)); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1268 trafo.concat(trafo.getTranslation(picrect)); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1269 return trafo; |
| 648 | 1270 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1271 |
| 760 | 1272 // update scaler image transform |
| 1273 var updateImgTrafo = function (data) { | |
| 1274 var $img = data.$img; | |
| 1275 if ($img != null && $img.get(0).complete) { | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1276 // create Transform from current zoomArea and image size |
| 668 | 1277 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1278 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1279 data.scaleMode, data); |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1280 // console.debug("imgTrafo=", data.imgTrafo); |
| 760 | 1281 } |
| 1282 }; | |
| 768 | 1283 |
| 760 | 1284 // returns function for load event of scaler img |
| 1285 var scalerImgLoadedHandler = function (data) { | |
| 1286 return function () { | |
| 1287 var $img = $(this); | |
| 1288 console.debug("scaler img loaded=",$img); | |
| 1289 var $scaler = data.$scaler; | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1290 var imgRect = geom.rectangle($img); |
| 726 | 1291 // adjust scaler div size |
| 731 | 1292 imgRect.adjustDiv($scaler); |
| 708 | 1293 // show image in case it was hidden (for example in zoomDrag) |
| 726 | 1294 $img.css('visibility', 'visible'); |
| 734 | 1295 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1296 // update display (render marks, etc.) |
| 1297 updateDisplay(data); | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1298 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1299 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1300 |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1301 // 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.
robcast
parents:
649
diff
changeset
|
1302 var birdImgLoadedHandler = function (data) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1303 return function () { |
| 748 | 1304 var $birdImg = $(this); |
| 1305 var birdRect = geom.rectangle($birdImg); | |
| 1306 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1307 if (birdRect.width === 0) { | |
| 1308 // 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
|
1309 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 748 | 1310 } |
| 760 | 1311 // update display (zoom area indicator) |
| 1312 updateDisplay(data); | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1313 }; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1314 }; |
| 626 | 1315 |
| 1316 // place marks on the image | |
| 1317 var renderMarks = function (data) { | |
| 760 | 1318 if (data.$img == null || data.imgTrafo == null) return; |
| 1319 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 640 | 1320 var $elem = data.$elem; |
| 636 | 1321 var marks = data.marks; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1322 // clear marks |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1323 $elem.find('div.mark').remove(); |
| 626 | 1324 for (var i = 0; i < marks.length; i++) { |
| 1325 var mark = marks[i]; | |
| 636 | 1326 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 1327 var mpos = data.imgTrafo.transform(mark); |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1328 console.debug("renderMarks: mpos=",mpos); |
| 626 | 1329 // create mark |
| 1330 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1331 var $mark = $(html); | |
| 1332 $elem.append($mark); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1333 mpos.adjustDiv($mark); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1334 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1335 } |
| 626 | 1336 }; |
| 648 | 1337 |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
1338 // show zoom area indicator on bird's eye view |
| 716 | 1339 var renderBirdArea = function (data) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1340 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1341 var $birdZoom = data.$birdZoom; |
| 652 | 1342 var zoomArea = data.zoomArea; |
| 716 | 1343 var normalSize = isFullArea(zoomArea); |
| 1344 if (normalSize) { | |
| 1345 $birdZoom.hide(); | |
| 1346 return; | |
| 1347 } else { | |
| 1348 $birdZoom.show(); | |
| 1349 } | |
| 748 | 1350 // create Transform from current area and picsize |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1351 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 731 | 1352 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 748 | 1353 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 734 | 1354 // acount for border width |
| 768 | 1355 var bw = getBorderWidth($birdZoom); |
| 1356 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1357 if (data.settings.interactionMode === 'fullscreen') { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1358 // no animation for fullscreen |
| 731 | 1359 zoomRect.adjustDiv($birdZoom); |
| 716 | 1360 } else { |
| 1361 // nice animation for embedded mode :-) | |
| 734 | 1362 // correct offsetParent because animate doesn't use offset |
| 719 | 1363 var ppos = $birdZoom.offsetParent().offset(); |
| 731 | 1364 var dest = { |
| 748 | 1365 left : (zoomRect.x - ppos.left) + 'px', |
| 1366 top : (zoomRect.y - ppos.top) + 'px', | |
| 1367 width : zoomRect.width, | |
| 1368 height : zoomRect.height | |
| 1369 }; | |
| 731 | 1370 $birdZoom.animate(dest); |
| 716 | 1371 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1372 }; |
| 652 | 1373 |
| 640 | 1374 // zooms by the given factor |
| 636 | 1375 var zoomBy = function(data, factor) { |
| 1376 var area = data.zoomArea; | |
| 1377 var newarea = area.copy(); | |
| 1378 // scale | |
| 1379 newarea.width /= factor; | |
| 1380 newarea.height /= factor; | |
| 1381 // and recenter | |
| 1382 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1383 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1384 newarea = FULL_AREA.fit(newarea); |
| 636 | 1385 data.zoomArea = newarea; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1386 redisplay(data); |
| 636 | 1387 }; |
| 1388 | |
| 640 | 1389 // add a mark where clicked |
| 1390 var setMark = function (data) { | |
| 642 | 1391 var $scaler = data.$scaler; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1392 // unbind other handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1393 $scaler.unbind(".dlZoomDrag"); |
| 640 | 1394 // start event capturing |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1395 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 640 | 1396 // event handler adding a new mark |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1397 console.log("setmark at=", evt); |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1398 var mpos = geom.position(evt); |
| 640 | 1399 var pos = data.imgTrafo.invtransform(mpos); |
| 1400 data.marks.push(pos); | |
| 1401 redisplay(data); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1402 return false; |
| 640 | 1403 }); |
| 1404 }; | |
| 661 | 1405 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1406 // zoom to the area around two clicked points |
| 647 | 1407 var zoomArea = function(data) { |
| 1408 $elem = data.$elem; | |
| 1409 $scaler = data.$scaler; | |
| 1410 var pt1, pt2; | |
| 1411 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1412 $elem.append($zoomDiv); | |
| 768 | 1413 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 647 | 1414 var picRect = geom.rectangle($scaler); |
| 1415 // FIX ME: is there a way to query the border width from CSS info? | |
| 1416 // rect.x -= 2; // account for overlay borders | |
| 1417 // rect.y -= 2; | |
| 1418 | |
| 1419 var zoomStart = function (evt) { | |
| 1420 pt1 = geom.position(evt); | |
| 1421 // setup and show zoom div | |
| 731 | 1422 pt1.adjustDiv($zoomDiv); |
| 661 | 1423 $zoomDiv.width(0).height(0); |
| 647 | 1424 $zoomDiv.show(); |
| 1425 // register events | |
| 731 | 1426 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1427 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1428 return false; |
| 1429 }; | |
| 661 | 1430 |
| 734 | 1431 // mouse move handler |
| 1432 var zoomMove = function (evt) { | |
| 1433 pt2 = geom.position(evt); | |
| 1434 var rect = geom.rectangle(pt1, pt2); | |
| 1435 rect.clipTo(picRect); | |
| 1436 // update zoom div | |
| 1437 rect.adjustDiv($zoomDiv); | |
| 1438 return false; | |
| 1439 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1440 |
| 647 | 1441 // mouseup handler: end moving |
| 1442 var zoomEnd = function (evt) { | |
| 1443 pt2 = geom.position(evt); | |
| 1444 // assume a click and continue if the area is too small | |
| 1445 var clickRect = geom.rectangle(pt1, pt2); | |
| 703 | 1446 if (clickRect.getArea() <= 5) return false; |
| 647 | 1447 // hide zoom div |
| 1448 $zoomDiv.remove(); | |
| 1449 // unregister events | |
| 731 | 1450 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1451 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1452 // clip and transform |
| 1453 clickRect.clipTo(picRect); | |
| 1454 var area = data.imgTrafo.invtransform(clickRect); | |
| 1455 data.zoomArea = area; | |
| 1456 // zoomed is always fit | |
| 1457 data.settings.ws = 1; | |
| 731 | 1458 delete data.dlOpts.fitwidth; |
| 1459 delete data.dlOpts.fitheight; | |
| 647 | 1460 redisplay(data); |
| 1461 return false; | |
| 1462 }; | |
| 661 | 1463 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1464 // clear old handler (also ZoomDrag) |
| 731 | 1465 $scaler.unbind('.dlZoomArea'); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1466 $scaler.unbind(".dlZoomDrag"); |
| 731 | 1467 $elem.unbind('.dlZoomArea'); |
| 647 | 1468 // bind start zoom handler |
| 731 | 1469 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 647 | 1470 }; |
| 640 | 1471 |
| 716 | 1472 // 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
|
1473 var setupBirdDrag = function(data) { |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1474 var $birdImg = data.$birdImg; |
|
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1475 var $birdZoom = data.$birdZoom; |
| 723 | 1476 var $document = $(document); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1477 var $scaler = data.$scaler; |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1478 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 768 | 1479 var bw = getBorderWidth($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1480 |
| 734 | 1481 // mousedown handler: start dragging bird zoom to a new position |
| 1482 var birdZoomStartDrag = function(evt) { | |
| 1483 startPos = geom.position(evt); | |
| 1484 // position may have changed | |
| 1485 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1486 birdImgRect = geom.rectangle($birdImg); | |
| 1487 birdZoomRect = geom.rectangle($birdZoom); | |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1488 scalerPos = geom.position($scaler); |
| 734 | 1489 newRect = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1490 fullRect = setZoomBG(data); // setup zoom background image |
| 734 | 1491 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1492 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1493 return false; | |
| 1494 }; | |
| 1495 | |
| 726 | 1496 // mousemove handler: drag |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1497 var birdZoomMove = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
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670
diff
changeset
|
1498 var pos = geom.position(evt); |
| 723 | 1499 var delta = startPos.delta(pos); |
|
671
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first step at dragging birdview zoom indicator around
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parents:
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diff
changeset
|
1500 // move birdZoom div, keeping size |
| 723 | 1501 newRect = birdZoomRect.copy(); |
| 726 | 1502 newRect.addPosition(delta); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1503 newRect.stayInside(birdImgRect); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1504 // reflect birdview zoom position in scaler image |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1505 var area = data.birdTrafo.invtransform(newRect); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1506 var imgArea = data.imgTrafo.transform(area); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1507 var offset = imgArea.getPosition().neg(); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1508 offset.add(scalerPos); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1509 if (fullRect) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1510 var bgPos = fullRect.getPosition().add(offset); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1511 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1512 var bgPos = offset; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1513 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1514 // move the background image to the new position |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1515 data.$scaler.css({ |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1516 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1517 }); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1518 // acount for border width |
| 768 | 1519 newRect.addPosition({x : -bw, y : -bw}); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1520 newRect.adjustDiv($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1521 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1522 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1523 |
| 726 | 1524 // mouseup handler: reload page |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1525 var birdZoomEndDrag = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1526 var settings = data.settings; |
| 723 | 1527 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1528 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1529 if (newRect == null) { | |
| 1530 // no movement happened - set center to click position | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1531 startPos = birdZoomRect.getCenter(); |
| 723 | 1532 birdZoomMove(evt); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1533 } |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1534 // ugly, but needed to prevent double border width compensation |
| 768 | 1535 newRect.addPosition({x : bw, y : bw}); |
| 723 | 1536 var newArea = data.birdTrafo.invtransform(newRect); |
| 1537 data.zoomArea = newArea; | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1538 redisplay(data); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1539 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1540 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1541 |
| 723 | 1542 // clear old handler |
| 1543 $document.unbind(".dlBirdMove"); | |
| 1544 $birdImg.unbind(".dlBirdMove"); | |
| 1545 $birdZoom.unbind(".dlBirdMove"); | |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1546 if (! isFullArea(data.zoomArea)) { |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1547 // set new handler |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1548 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1549 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1550 } |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1551 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1552 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1553 // move bird zoom indicator to reflect zoomed detail area |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1554 var setBirdZoom = function(data, rect) { |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1555 var part = data.imgTrafo.invtransform(rect); |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1556 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1557 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1558 var birdRect = birdTrafo.transform(part); |
| 768 | 1559 var $birdZoom = data.$birdZoom; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1560 // acount for border width |
| 768 | 1561 var bw = getBorderWidth($birdZoom); |
| 1562 birdRect.addPosition({x : -bw, y : -bw}); | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1563 birdRect.adjustDiv(data.$birdZoom); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1564 }; |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1565 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1566 // set zoom background |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1567 var setZoomBG = function(data) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1568 var $scaler = data.$scaler; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1569 var $img = data.$img; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1570 var fullRect = null; |
| 760 | 1571 // hide marks |
| 1572 data.$elem.find('div.mark').hide(); | |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1573 // hide the scaler img, show background of div instead |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1574 $img.css('visibility', 'hidden'); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1575 var scalerCss = { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1576 'background-image' : 'url(' + $img.attr('src') + ')', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1577 'background-repeat' : 'no-repeat', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1578 'background-position' : 'left top', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1579 'opacity' : '0.5', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1580 'cursor' : 'move' |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1581 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1582 if (data.hasBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1583 // full-size background using CSS3-background-size |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1584 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1585 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1586 // correct offset because background is relative |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1587 var scalerPos = geom.position($scaler); |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1588 fullRect.addPosition(scalerPos.neg()); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1589 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1590 scalerCss['background-image'] = 'url(' + url + ')'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1591 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1592 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1593 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1594 // too big |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1595 fullRect = null; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1596 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1597 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1598 $scaler.css(scalerCss); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1599 // isBgReady = true; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1600 return fullRect; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1601 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1602 |
| 731 | 1603 // setup handlers for dragging the zoomed image |
| 698 | 1604 var setupZoomDrag = function(data) { |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1605 var startPos, delta, fullRect; |
| 726 | 1606 var $document = $(document); |
| 698 | 1607 var $elem = data.$elem; |
| 1608 var $scaler = data.$scaler; | |
| 1609 var $img = data.$img; | |
| 703 | 1610 |
| 726 | 1611 // drag the image and load a new detail on mouse up |
| 698 | 1612 var dragStart = function (evt) { |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1613 console.debug("dragstart at=",evt); |
|
730
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1614 // don't start dragging if not zoomed |
|
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1615 if (isFullArea(data.zoomArea)) return false; |
| 726 | 1616 startPos = geom.position(evt); |
| 734 | 1617 delta = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1618 // set low res background immediately on mousedown |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1619 fullRect = setZoomBG(data); |
| 726 | 1620 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1621 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1622 return false; |
| 698 | 1623 }; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1624 |
| 726 | 1625 // mousemove handler: drag zoomed image |
| 698 | 1626 var dragMove = function (evt) { |
| 1627 var pos = geom.position(evt); | |
| 734 | 1628 delta = startPos.delta(pos); |
| 1629 if (fullRect) { | |
| 1630 var bgPos = fullRect.getPosition().add(delta); | |
| 1631 } else { | |
| 1632 var bgPos = delta; | |
| 1633 } | |
| 698 | 1634 // move the background image to the new position |
| 708 | 1635 $scaler.css({ |
| 734 | 1636 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 698 | 1637 }); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1638 // set birdview indicator to reflect new zoom position |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1639 var za = geom.rectangle($img); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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737
diff
changeset
|
1640 za.addPosition(delta.neg()); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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parents:
737
diff
changeset
|
1641 setBirdZoom(data, za); |
| 698 | 1642 return false; |
| 1643 }; | |
| 703 | 1644 |
| 726 | 1645 // mouseup handler: reload zoomed image in new position |
| 698 | 1646 var dragEnd = function (evt) { |
| 732 | 1647 $scaler.css('cursor', 'auto'); |
| 726 | 1648 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1649 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1650 if (delta == null || delta.distance() < 2) { | |
| 1651 // no movement | |
| 1652 $img.css('visibility', 'visible'); | |
| 734 | 1653 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1654 // unhide marks |
| 1655 data.$elem.find('div.mark').show(); | |
| 726 | 1656 return false; |
| 1657 } | |
| 1658 // get old zoom area (screen coordinates) | |
| 734 | 1659 var za = geom.rectangle($img); |
| 726 | 1660 // move |
| 734 | 1661 za.addPosition(delta.neg()); |
| 726 | 1662 // transform back |
| 1663 var newArea = data.imgTrafo.invtransform(za); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1664 data.zoomArea = FULL_AREA.fit(newArea); |
|
701
2660b733a1e7
img reload works for fullscreen, but somehow not precise
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parents:
700
diff
changeset
|
1665 redisplay(data); |
| 698 | 1666 return false; |
| 1667 }; | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1668 |
| 726 | 1669 // clear old handler |
| 1670 $document.unbind(".dlZoomDrag"); | |
| 734 | 1671 $scaler.unbind(".dlZoomDrag"); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1672 if (! isFullArea(data.zoomArea)) { |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1673 // set handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1674 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1675 } |
| 698 | 1676 }; |
| 1677 | |
| 696 | 1678 // get image quality as a number (0..2) |
| 1679 var getQuality = function (data) { | |
| 1680 var flags = data.scalerFlags; | |
| 1681 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1682 return parseInt(q[1], 10); | |
| 699 | 1683 }; |
| 696 | 1684 |
| 1685 // set image quality as a number (0..2) | |
| 1686 var setQuality = function (data, qual) { | |
| 1687 var flags = data.scalerFlags; | |
| 1688 // clear flags | |
| 1689 for (var i = 0; i < 3; ++i) { | |
| 1690 delete flags['q'+i]; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
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704
diff
changeset
|
1691 } |
| 696 | 1692 flags['q'+qual] = 'q'+qual; |
| 699 | 1693 }; |
| 703 | 1694 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1695 // get image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1696 var getScaleMode = function (data) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1697 if (data.scalerFlags.clip != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1698 return 'pixel'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1699 } else if (data.scalerFlags.osize != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1700 return 'size'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1701 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1702 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1703 return 'screen'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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753
diff
changeset
|
1704 }; |
| 768 | 1705 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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diff
changeset
|
1706 // set image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1707 var setScaleMode = function (data, mode) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1708 delete data.scalerFlags.fit; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1709 delete data.scalerFlags.clip; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1710 delete data.scalerFlags.osize; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1711 if (mode === 'pixel') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1712 data.scalerFlags.clip = 'clip'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1713 } else if (mode === 'size') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1714 data.scalerFlags.osize = 'osize'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1715 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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parents:
753
diff
changeset
|
1716 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
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753
diff
changeset
|
1717 }; |
| 768 | 1718 |
|
754
17539f6838b6
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753
diff
changeset
|
1719 // sets a key to a value (relative values with +/- if relative=true) |
| 643 | 1720 var setNumValue = function(settings, key, value) { |
| 709 | 1721 if (value == null) return null; |
|
706
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diff
changeset
|
1722 if (isNumber(value)) { |
|
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diff
changeset
|
1723 settings[key] = value; |
|
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diff
changeset
|
1724 return value; |
|
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704
diff
changeset
|
1725 } |
|
498f9c7487ae
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diff
changeset
|
1726 var sign = value[0]; |
| 643 | 1727 if (sign === '+' || sign === '-') { |
| 1728 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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643
diff
changeset
|
1729 // this isn't perfect but still... |
| 643 | 1730 settings[key] = 0; |
|
706
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704
diff
changeset
|
1731 } |
| 643 | 1732 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1733 } else { | |
| 1734 settings[key] = value; | |
|
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diff
changeset
|
1735 } |
| 643 | 1736 return settings[key]; |
| 1737 }; | |
| 648 | 1738 |
| 768 | 1739 // auxiliary function, assuming equal border width on all sides |
| 1740 var getBorderWidth = function($elem) { | |
| 1741 var border = $elem.outerWidth() - $elem.width(); | |
| 1742 return border/2; | |
| 1743 }; | |
| 1744 | |
| 648 | 1745 // auxiliary function (from old dllib.js) |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1746 var isFullArea = function(area) { |
| 652 | 1747 return (area.width === 1.0) && (area.height === 1.0); |
| 648 | 1748 }; |
| 1749 | |
| 634 | 1750 // auxiliary function (from Douglas Crockford, A.10) |
| 1751 var isNumber = function isNumber(value) { | |
| 703 | 1752 return typeof value === 'number' && isFinite(value); |
| 634 | 1753 }; |
| 648 | 1754 |
| 624 | 1755 // auxiliary function to crop senseless precision |
| 1756 var cropFloat = function (x) { | |
| 630 | 1757 return parseInt(10000 * x, 10) / 10000; |
| 624 | 1758 }; |
| 648 | 1759 |
| 685 | 1760 // fallback for console.log calls |
| 1761 if (customConsole) { | |
| 1762 var logFunction = function(type) { | |
| 1763 return function(){ | |
| 1764 var $debug = $('#debug'); // debug div | |
| 1765 if (!$debug) return; | |
| 1766 var args = Array.prototype.slice.call(arguments); | |
| 1767 var argtext = args.join(' '); | |
| 1768 var $logDiv = $('<div/>'); | |
| 1769 $logDiv.addClass(type); | |
| 1770 $logDiv.text(argtext); | |
| 1771 $debug.append($logDiv); | |
| 1772 }; | |
| 1773 }; | |
| 1774 console.log = logFunction('_log'); | |
| 1775 console.debug = logFunction('_debug'); | |
| 1776 console.error = logFunction('_error'); | |
|
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diff
changeset
|
1777 } |
| 685 | 1778 |
| 780 | 1779 // functions to export to plugins |
| 1780 fn = { | |
| 1781 parseQueryString : parseQueryString, | |
| 1782 getScalerUrl : getScalerUrl, | |
| 1783 getParamString : getParamString, | |
| 1784 getDigilibUrl : getDigilibUrl, | |
| 1785 unpackParams : unpackParams, | |
| 1786 packParams : packParams, | |
| 1787 redisplay : redisplay, | |
| 1788 updateDisplay : updateDisplay, | |
| 1789 getImgTrafo : getImgTrafo, | |
| 1790 getQuality : getQuality, | |
| 1791 setQuality : setQuality, | |
| 1792 getScaleMode : getScaleMode, | |
| 1793 setScaleMode : setScaleMode, | |
| 1794 isFullArea : isFullArea | |
| 1795 }; | |
| 1796 | |
| 598 | 1797 // hook plugin into jquery |
| 778 | 1798 $.fn.digilib = function (action) { |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1799 // plugin extension mechanism |
| 779 | 1800 if (action === 'plugin') { |
| 1801 var plugin = arguments[1]; | |
| 1802 // each plugin needs a name | |
| 1803 if (plugin.name != null) { | |
| 1804 plugins[plugin.name] = plugin; | |
| 1805 } | |
| 780 | 1806 // initialisation of plugins done later |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1807 } else if (actions[action]) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1808 // 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
|
1809 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1810 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1811 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1812 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1813 return actions[action].apply(this, args); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1814 } else if (typeof(action) === 'object' || !action) { |
| 627 | 1815 // call init on this |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1816 return actions.init.apply(this, arguments); |
| 598 | 1817 } else { |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1818 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
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parents:
704
diff
changeset
|
1819 } |
| 598 | 1820 }; |
| 685 | 1821 |
| 597 | 1822 })(jQuery); |