Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 781:29de7131a5a8 jquery
make plugins available to other plugins
| author | hertzhaft |
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| date | Thu, 17 Feb 2011 22:50:32 +0100 |
| parents | fd86688e6be0 |
| children | 16cff012d7c1 |
| 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 = {}; | |
| 780 | 256 // object to export functions to plugins |
| 257 var fn; | |
| 779 | 258 // affine geometry plugin stub |
| 778 | 259 var geom; |
| 648 | 260 |
| 778 | 261 var FULL_AREA; |
| 648 | 262 |
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263 var actions = { |
| 661 | 264 // init: digilib initialization |
| 265 init : function(options) { | |
| 779 | 266 // import geometry classes |
| 267 if (plugins.geometry == null) { | |
| 268 $.error("jquery.digilib.geometry plugin not found!"); | |
| 778 | 269 geom = dlGeometry(); |
| 270 } else { | |
| 779 | 271 geom = plugins.geometry.init(); |
| 778 | 272 } |
| 273 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 781 | 274 |
| 661 | 275 // settings for this digilib instance are merged from defaults and options |
| 276 var settings = $.extend({}, defaults, options); | |
| 277 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 278 var queryParams = {}; | |
| 279 if (isFullscreen) { | |
| 280 queryParams = parseQueryParams(); | |
| 281 // check scalerBaseUrl | |
| 282 if (settings.scalerBaseUrl == null) { | |
| 283 // try the host this came from | |
| 284 var h = window.location.host; | |
| 285 if (window.location.host) { | |
| 286 var url = window.location.href; | |
| 287 // assume the page lives in [webapp]/jquery/ | |
| 288 var pos = url.indexOf('jquery/'); | |
| 289 if (pos > 0) { | |
| 290 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 645 | 291 } |
| 292 } | |
| 629 | 293 } |
| 661 | 294 } |
| 295 return this.each(function() { | |
| 296 var $elem = $(this); | |
| 297 var data = $elem.data('digilib'); | |
| 681 | 298 var params, elemSettings; |
| 661 | 299 // if the plugin hasn't been initialized yet |
| 300 if (!data) { | |
| 301 // merge query parameters | |
| 302 if (isFullscreen) { | |
| 681 | 303 params = queryParams; |
| 661 | 304 } else { |
| 681 | 305 params = parseImgParams($elem); |
| 778 | 306 if ($.cookie) { |
| 720 | 307 // retrieve params from cookie |
| 308 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 778 | 309 var cs = $.cookie(ck); |
| 720 | 310 console.debug("get cookie=", ck, " value=", cs); |
| 311 if (cs) { | |
| 312 var cp = parseQueryString(cs); | |
| 721 | 313 // ignore fn and pn from cookie TODO: should we keep pn? |
| 314 delete cp.fn; | |
| 315 delete cp.pn; | |
| 778 | 316 $.extend(params, cp); |
| 720 | 317 } |
| 318 } | |
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319 } |
| 661 | 320 // store $(this) element in the settings |
| 778 | 321 elemSettings = $.extend({}, settings, params); |
| 690 | 322 data = { |
| 661 | 323 $elem : $elem, |
| 324 settings : elemSettings, | |
| 781 | 325 queryParams : params, |
| 326 plugins : plugins | |
| 661 | 327 }; |
| 328 // store in data element | |
| 329 $elem.data('digilib', data); | |
| 330 } | |
| 331 unpackParams(data); | |
| 737 | 332 // check if browser knows *background-size |
| 734 | 333 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 334 if ($elem.css(bs+'background-size')) { | |
| 335 data.hasBgSize = true; | |
| 336 data.bgSizeName = bs+'background-size'; | |
| 337 break; | |
| 338 } | |
| 339 } | |
| 737 | 340 // check digilib base URL |
| 341 if (elemSettings.digilibBaseUrl == null) { | |
| 342 if (isFullscreen) { | |
| 343 // take current host | |
| 344 var url = window.location.toString(); | |
| 345 var pos = url.indexOf('?'); | |
| 346 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 347 } else { | |
| 348 var url = elemSettings.scalerBaseUrl; | |
| 349 if (url) { | |
| 350 // build it from scaler URL | |
| 351 var bp = url.indexOf('/servlet/Scaler'); | |
| 758 | 352 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 737 | 353 } |
| 354 } | |
| 355 } | |
| 779 | 356 // initialise plugins |
| 780 | 357 for (n in plugins) { |
| 358 var p = plugins[n]; | |
| 359 // share common objects | |
| 360 p.buttons = buttons; | |
| 361 p.actions = actions; | |
| 362 p.fn = fn; | |
| 363 // and init | |
| 364 p.init(data); | |
| 779 | 365 } |
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366 // get image info from server if needed |
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367 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 760 | 368 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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369 } |
| 772 | 370 // create buttons before scaler |
| 690 | 371 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
| 372 showButtons(data, true, i); | |
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373 } |
| 772 | 374 // create HTML structure for scaler, taking width of buttons div into account |
| 375 setupScalerDiv(data); | |
| 758 | 376 highlightButtons(data); |
| 661 | 377 // bird's eye view creation |
| 703 | 378 if (elemSettings.isBirdDivVisible) { |
| 631 | 379 setupBirdDiv(data); |
| 716 | 380 data.$birdDiv.show(); |
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381 } |
| 661 | 382 // about window creation - TODO: could be deferred? restrict to only one item? |
| 383 setupAboutDiv(data); | |
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384 // drag zoom area around in scaler div |
| 748 | 385 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 661 | 386 }); |
| 387 }, | |
| 388 | |
| 389 // destroy: clean up digilib | |
| 390 destroy : function(data) { | |
| 391 return this.each(function(){ | |
| 392 var $elem = $(this); | |
| 393 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 394 data.digilib.remove(); | |
| 395 $elem.removeData('digilib'); | |
| 396 }); | |
| 397 }, | |
| 398 | |
| 399 // show or hide the 'about' window | |
| 400 showAboutDiv : function(data, show) { | |
| 758 | 401 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 402 data.settings.isAboutDivVisible = on; | |
| 403 highlightButtons(data, 'help', on); | |
| 661 | 404 }, |
| 648 | 405 |
| 661 | 406 // event handler: toggles the visibility of the bird's eye window |
| 407 showBirdDiv : function (data, show) { | |
| 719 | 408 var settings = data.settings; |
| 661 | 409 if (data.$birdDiv == null) { |
| 410 // no bird div -> create | |
| 411 setupBirdDiv(data); | |
| 412 } | |
| 758 | 413 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 414 settings.isBirdDivVisible = on; | |
| 415 highlightButtons(data, 'bird', on); | |
| 719 | 416 updateBirdDiv(data); |
| 716 | 417 storeOptions(data); |
| 661 | 418 }, |
| 419 | |
| 420 // goto given page nr (+/-: relative) | |
| 421 gotoPage : function (data, pageNr) { | |
| 422 var settings = data.settings; | |
| 423 var oldpn = settings.pn; | |
| 709 | 424 if (pageNr == null) { |
| 425 pageNr = window.prompt("Goto page number", oldpn); | |
| 426 } | |
| 661 | 427 var pn = setNumValue(settings, "pn", pageNr); |
| 428 if (pn == null) return false; // nothing happened | |
| 429 if (pn < 1) { | |
| 430 alert("no such page (page number too low)"); | |
| 431 settings.pn = oldpn; | |
| 432 return false; | |
| 433 } | |
| 760 | 434 // TODO: how do we get pt? |
| 661 | 435 if (settings.pt) { |
| 436 if (pn > settings.pt) { | |
| 437 alert("no such page (page number too high)"); | |
| 616 | 438 settings.pn = oldpn; |
| 439 return false; | |
| 627 | 440 } |
| 661 | 441 } |
| 442 // reset mk and others(?) | |
| 443 data.marks = []; | |
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444 data.zoomArea = FULL_AREA; |
| 661 | 445 // then reload |
| 446 redisplay(data); | |
| 447 }, | |
| 647 | 448 |
| 661 | 449 // zoom by a given factor |
| 450 zoomBy : function (data, factor) { | |
| 451 zoomBy(data, factor); | |
| 452 }, | |
| 640 | 453 |
| 760 | 454 // zoom to area (or interactive) |
| 455 zoomArea : function (data, area) { | |
| 456 var settings = data.settings; | |
| 457 if (area == null) { | |
| 458 // interactively | |
| 459 zoomArea(data); | |
| 460 } else { | |
| 461 data.zoomArea = geom.rectangle(area); | |
| 462 redisplay(data); | |
| 463 } | |
| 661 | 464 }, |
| 643 | 465 |
| 661 | 466 // zoom out to full page |
| 467 zoomFull : function (data, mode) { | |
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468 data.zoomArea = FULL_AREA; |
| 661 | 469 if (mode === 'width') { |
| 470 data.dlOpts.fitwidth = 1; | |
| 471 delete data.dlOpts.fitheight; | |
| 472 } else if (mode === 'height') { | |
| 473 data.dlOpts.fitheight = 1; | |
| 474 delete data.dlOpts.fitwidth; | |
| 475 } else { | |
| 476 delete data.dlOpts.fitwidth; | |
| 477 delete data.dlOpts.fitheight; | |
| 478 } | |
| 479 redisplay(data); | |
| 480 }, | |
| 481 | |
| 482 // set a mark by clicking (or giving a position) | |
| 483 setMark : function (data, mpos) { | |
| 484 if (mpos == null) { | |
| 485 // interactive | |
| 486 setMark(data); | |
| 487 } else { | |
| 488 // use position | |
| 489 data.marks.push(pos); | |
| 656 | 490 redisplay(data); |
| 597 | 491 } |
| 661 | 492 }, |
| 493 | |
| 494 // remove the last mark | |
| 495 removeMark : function (data) { | |
| 496 data.marks.pop(); | |
| 497 redisplay(data); | |
| 498 }, | |
| 499 | |
| 500 // mirror the image | |
| 501 mirror : function (data, mode) { | |
| 502 var flags = data.scalerFlags; | |
| 503 if (mode === 'h') { | |
| 504 if (flags.hmir) { | |
| 505 delete flags.hmir; | |
| 506 } else { | |
| 507 flags.hmir = 1; | |
| 508 } | |
| 509 } else { | |
| 510 if (flags.vmir) { | |
| 511 delete flags.vmir; | |
| 512 } else { | |
| 513 flags.vmir = 1; | |
| 514 } | |
| 515 } | |
| 516 redisplay(data); | |
| 517 }, | |
| 643 | 518 |
| 661 | 519 // rotate the image |
| 520 rotate : function (data, angle) { | |
| 521 var rot = data.settings.rot; | |
| 522 if (angle == null) { | |
| 523 angle = window.prompt("Rotation angle:", rot); | |
| 524 } | |
| 525 data.settings.rot = angle; | |
| 526 redisplay(data); | |
| 527 }, | |
| 528 | |
| 529 // change brightness | |
| 530 brightness : function (data, factor) { | |
| 531 var brgt = data.settings.brgt; | |
| 532 if (factor == null) { | |
| 533 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 534 } | |
| 535 data.settings.brgt = factor; | |
| 536 redisplay(data); | |
| 537 }, | |
| 538 | |
| 539 // change contrast | |
| 540 contrast : function (data, factor) { | |
| 541 var cont = data.settings.cont; | |
| 542 if (factor == null) { | |
| 543 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 544 } | |
| 545 data.settings.cont = factor; | |
| 546 redisplay(data); | |
| 681 | 547 }, |
| 703 | 548 |
| 683 | 549 // display more (or less) button sets |
| 741 | 550 moreButtons : function (data, more) { |
| 689 | 551 var settings = data.settings; |
| 692 | 552 if (more == null) { |
| 696 | 553 // toggle more or less (only works for 2 sets) |
| 692 | 554 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 555 if (settings.visibleButtonSets >= maxbtns) { | |
| 556 more = '-1'; | |
| 557 } else { | |
| 558 more = '+1'; | |
| 559 } | |
| 560 } | |
| 683 | 561 if (more === '-1') { |
| 562 // remove set | |
| 690 | 563 var setIdx = settings.visibleButtonSets - 1; |
| 564 if (showButtons(data, false, setIdx, true)) { | |
| 565 settings.visibleButtonSets--; | |
| 566 } | |
| 683 | 567 } else { |
| 568 // add set | |
| 690 | 569 var setIdx = settings.visibleButtonSets; |
| 570 if (showButtons(data, true, setIdx, true)) { | |
| 571 settings.visibleButtonSets++; | |
| 683 | 572 } |
| 573 } | |
| 716 | 574 // persist setting |
| 575 storeOptions(data); | |
| 684 | 576 }, |
| 681 | 577 |
| 696 | 578 // reset image parameters to defaults |
| 681 | 579 reset : function (data) { |
| 580 var settings = data.settings; | |
| 581 var paramNames = settings.digilibParamNames; | |
| 582 var params = data.queryParams; | |
| 583 // delete all digilib parameters | |
| 584 for (var i = 0; i < paramNames.length; i++) { | |
| 585 var paramName = paramNames[i]; | |
| 586 delete settings[paramName]; | |
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587 } |
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588 settings.fn = params.fn || ''; // no default defined |
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589 settings.pn = params.pn || defaults.pn; |
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590 settings.dw = params.dw; |
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591 settings.dh = params.dh; |
| 702 | 592 settings.isBirdDivVisible = false; |
| 593 settings.visibleButtonSets = 1; | |
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594 // resets zoomArea, marks, scalerflags |
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595 data.zoomArea = FULL_AREA; |
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596 data.marks = []; |
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597 data.scalerFlags = {}; |
| 705 | 598 delete data.dlOpts.fitwidth; |
| 599 delete data.dlOpts.fitheight; | |
| 681 | 600 redisplay(data); |
| 682 | 601 }, |
| 602 | |
| 696 | 603 // presents a reference url (returns value if noprompt) |
| 604 reference : function (data, noprompt) { | |
| 682 | 605 var settings = data.settings; |
| 737 | 606 var url = getDigilibUrl(data); |
| 696 | 607 if (noprompt == null) { |
| 608 window.prompt("URL reference to the current view", url); | |
| 609 } | |
| 610 return url; | |
| 611 }, | |
| 703 | 612 |
| 696 | 613 // set image quality |
| 741 | 614 setQuality : function (data, qual) { |
| 696 | 615 var oldq = getQuality(data); |
| 616 if (qual == null) { | |
| 617 qual = window.prompt("Image quality (0..2)", oldq); | |
| 618 } | |
| 619 qual = parseInt(qual, 10); | |
| 620 if (qual >= 0 && qual <= 2) { | |
| 621 setQuality(data, qual); | |
| 622 redisplay(data); | |
| 623 } | |
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624 }, |
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625 |
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626 // calibrate (only faking) |
|
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627 calibrate : function (data, res) { |
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628 var oldRes = data.settings.ddpi; |
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629 if (res == null) { |
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630 res = window.prompt("Display resolution (dpi)", oldRes); |
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631 } |
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632 if (res != null) { |
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633 data.settings.ddpi = res; |
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634 redisplay(data); |
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635 } |
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636 }, |
| 768 | 637 |
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638 // set image scale mode |
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639 setScaleMode : function (data, mode) { |
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640 var oldM = getScaleMode(data); |
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641 if (mode == null) { |
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642 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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643 } |
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644 if (mode != null) { |
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645 setScaleMode(data, mode); |
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756
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646 data.scaleMode = mode; |
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647 redisplay(data); |
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648 } |
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649 } |
| 768 | 650 |
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651 // end of actions |
| 598 | 652 }; |
| 597 | 653 |
| 601 | 654 // returns parameters from page url |
| 600 | 655 var parseQueryParams = function() { |
| 629 | 656 return parseQueryString(window.location.search.slice(1)); |
| 657 }; | |
| 648 | 658 |
| 629 | 659 // returns parameters from embedded img-element |
| 600 | 660 var parseImgParams = function($elem) { |
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661 var src = $elem.find('img').first().attr('src'); |
| 703 | 662 if (!src) return null; |
| 600 | 663 var pos = src.indexOf('?'); |
| 664 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 665 var scalerUrl = src.substring(0, pos); | |
| 620 | 666 var params = parseQueryString(query); |
| 667 params.scalerBaseUrl = scalerUrl; | |
| 668 return params; | |
| 629 | 669 }; |
| 600 | 670 |
| 601 | 671 // parses query parameter string into parameter object |
| 600 | 672 var parseQueryString = function(query) { |
| 694 | 673 var params = {}; |
| 674 if (query == null) return params; | |
| 600 | 675 var pairs = query.split("&"); |
| 629 | 676 //var keys = []; |
| 600 | 677 for (var i = 0; i < pairs.length; i++) { |
| 678 var pair = pairs[i].split("="); | |
| 679 if (pair.length === 2) { | |
| 620 | 680 params[pair[0]] = pair[1]; |
| 629 | 681 //keys.push(pair[0]); |
| 627 | 682 } |
| 629 | 683 } |
| 620 | 684 return params; |
| 629 | 685 }; |
| 661 | 686 |
| 636 | 687 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 688 var getParamString = function (settings, keys, defaults) { | |
| 608 | 689 var paramString = ''; |
| 643 | 690 var nx = false; |
| 608 | 691 for (i = 0; i < keys.length; ++i) { |
| 692 var key = keys[i]; | |
| 656 | 693 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 608 | 694 // first param gets no '&' |
| 643 | 695 if (nx) { |
| 696 paramString += '&'; | |
| 697 } else { | |
| 698 nx = true; | |
| 699 } | |
| 608 | 700 // add parm=val |
| 701 paramString += key + '=' + settings[key]; | |
| 636 | 702 } |
| 608 | 703 } |
| 704 return paramString; | |
| 624 | 705 }; |
| 706 | |
| 629 | 707 // returns URL and query string for Scaler |
| 708 var getScalerUrl = function (data) { | |
| 734 | 709 packParams(data); |
| 646 | 710 var settings = data.settings; |
| 645 | 711 if (settings.scalerBaseUrl == null) { |
| 712 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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713 } |
| 629 | 714 var keys = settings.scalerParamNames; |
| 636 | 715 var queryString = getParamString(settings, keys, defaults); |
| 629 | 716 var url = settings.scalerBaseUrl + '?' + queryString; |
| 717 return url; | |
| 718 }; | |
| 719 | |
| 734 | 720 // returns URL for bird's eye view image |
| 736 | 721 var getBirdImgUrl = function (data, moreParams) { |
| 734 | 722 var settings = data.settings; |
| 723 var birdDivOptions = { | |
| 724 dw : settings.birdDivWidth, | |
| 725 dh : settings.birdDivHeight | |
| 726 }; | |
| 778 | 727 var birdSettings = $.extend({}, settings, birdDivOptions); |
| 734 | 728 // use only the relevant parameters |
| 736 | 729 if (moreParams == null) { |
| 730 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 731 } else { | |
| 760 | 732 // filter scaler flags |
| 733 if (birdSettings.mo != null) { | |
| 734 var mo = ''; | |
| 735 if (data.scalerFlags.hmir != null) { | |
| 736 mo += 'hmir,'; | |
| 737 } | |
| 738 if (data.scalerFlags.vmir != null) { | |
| 739 mo += 'vmir'; | |
| 740 } | |
| 741 birdSettings.mo = mo; | |
| 742 } | |
| 736 | 743 var params = getParamString(birdSettings, |
| 744 settings.birdDivParams.concat(moreParams), defaults); | |
| 745 } | |
| 746 var url = settings.scalerBaseUrl + '?' + params; | |
| 734 | 747 return url; |
| 748 }; | |
|
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diff
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|
749 |
| 629 | 750 // returns URL and query string for current digilib |
|
637
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751 var getDigilibUrl = function (data) { |
| 636 | 752 packParams(data); |
| 629 | 753 var settings = data.settings; |
|
637
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|
754 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 737 | 755 return settings.digilibBaseUrl + '?' + queryString; |
| 629 | 756 }; |
| 757 | |
| 760 | 758 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 759 var loadImageInfo = function (data, complete) { | |
|
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760 var settings = data.settings; |
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|
761 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
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762 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
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|
763 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 760 | 764 // TODO: better error handling |
| 778 | 765 $.getJSON(url, function (json) { |
|
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|
766 console.debug("got json data=", json); |
|
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changeset
|
767 data.imgInfo = json; |
|
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768 if (complete != null) { |
|
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|
769 complete.call(this, data, json); |
|
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changeset
|
770 } |
|
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|
771 }); |
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|
772 }; |
| 768 | 773 |
| 648 | 774 // processes some parameters into objects and stuff |
| 624 | 775 var unpackParams = function (data) { |
| 776 var settings = data.settings; | |
| 629 | 777 // zoom area |
| 624 | 778 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 779 data.zoomArea = zoomArea; |
| 629 | 780 // marks |
| 624 | 781 var marks = []; |
| 643 | 782 if (settings.mk) { |
| 783 var mk = settings.mk; | |
| 784 if (mk.indexOf(";") >= 0) { | |
| 785 var pa = mk.split(";"); // old format with ";" | |
| 786 } else { | |
| 787 var pa = mk.split(","); // new format | |
|
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robcast
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|
788 } |
| 643 | 789 for (var i = 0; i < pa.length ; i++) { |
| 790 var pos = pa[i].split("/"); | |
| 791 if (pos.length > 1) { | |
| 792 marks.push(geom.position(pos[0], pos[1])); | |
|
706
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robcast
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changeset
|
793 } |
|
498f9c7487ae
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|
794 } |
|
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795 } |
| 636 | 796 data.marks = marks; |
| 643 | 797 // mo (Scaler flags) |
| 798 var flags = {}; | |
| 799 if (settings.mo) { | |
| 800 var pa = settings.mo.split(","); | |
| 801 for (var i = 0; i < pa.length ; i++) { | |
| 802 flags[pa[i]] = pa[i]; | |
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803 } |
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804 } |
| 643 | 805 data.scalerFlags = flags; |
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806 data.scaleMode = getScaleMode(data); |
| 716 | 807 retrieveOptions(data); |
| 648 | 808 }; |
| 809 | |
| 624 | 810 // put objects back into parameters |
| 811 var packParams = function (data) { | |
| 812 var settings = data.settings; | |
| 629 | 813 // zoom area |
| 636 | 814 if (data.zoomArea) { |
| 640 | 815 settings.wx = cropFloat(data.zoomArea.x); |
| 816 settings.wy = cropFloat(data.zoomArea.y); | |
| 817 settings.ww = cropFloat(data.zoomArea.width); | |
| 818 settings.wh = cropFloat(data.zoomArea.height); | |
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819 } |
| 629 | 820 // marks |
| 636 | 821 if (data.marks) { |
| 643 | 822 settings.mk = ''; |
| 636 | 823 for (var i = 0; i < data.marks.length; i++) { |
| 643 | 824 if (i) { |
| 825 settings.mk += ','; | |
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826 } |
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827 settings.mk += cropFloat(data.marks[i].x).toString() + |
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828 '/' + cropFloat(data.marks[i].y).toString(); |
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829 } |
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830 } |
| 643 | 831 // Scaler flags |
| 832 if (data.scalerFlags) { | |
| 833 var mo = ''; | |
| 834 for (var f in data.scalerFlags) { | |
| 835 if (mo) { | |
| 836 mo += ','; | |
| 837 } | |
| 838 mo += f; | |
| 839 } | |
| 840 settings.mo = mo; | |
| 841 } | |
| 703 | 842 // user interface options |
| 716 | 843 storeOptions(data); |
| 702 | 844 }; |
| 681 | 845 |
| 716 | 846 var storeOptions = function (data) { |
| 694 | 847 // save digilib options in cookie |
| 702 | 848 var settings = data.settings; |
| 849 if (data.dlOpts) { | |
| 850 // save digilib settings in options | |
| 851 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 852 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 853 var clop = ''; | |
| 854 for (var o in data.dlOpts) { | |
| 855 if (clop) { | |
| 856 clop += '&'; | |
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857 } |
| 702 | 858 clop += o + '=' + data.dlOpts[o]; |
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859 } |
| 778 | 860 if ($.cookie) { |
| 702 | 861 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 862 console.debug("set cookie=", ck, " value=", clop); | |
| 778 | 863 $.cookie(ck, clop); |
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864 } |
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865 } |
| 778 | 866 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 720 | 867 // store normal parameters in cookie for embedded mode |
| 868 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 869 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 870 console.debug("set cookie=", ck, " value=", qs); | |
| 778 | 871 $.cookie(ck, qs); |
| 720 | 872 } |
| 624 | 873 }; |
| 648 | 874 |
| 716 | 875 var retrieveOptions = function (data) { |
| 702 | 876 // clop (digilib options) |
| 877 var opts = {}; | |
| 878 var settings = data.settings; | |
| 778 | 879 if ($.cookie) { |
| 702 | 880 // read from cookie |
| 881 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 778 | 882 var cp = $.cookie(ck); |
| 702 | 883 console.debug("get cookie=", ck, " value=", cp); |
| 884 // in query string format | |
| 885 opts = parseQueryString(cp); | |
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886 } |
| 702 | 887 data.dlOpts = opts; |
| 888 // birdview option | |
| 889 if (opts.birdview != null) { | |
| 890 settings.isBirdDivVisible = opts.birdview === '1'; | |
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891 } |
| 702 | 892 // visible button sets |
| 893 if (opts.buttons != null) { | |
| 894 settings.visibleButtonSets = opts.buttons; | |
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895 } |
| 704 | 896 }; |
| 702 | 897 |
| 615 | 898 // (re)load the img from a new scaler URL |
|
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899 var redisplay = function (data) { |
| 629 | 900 var settings = data.settings; |
| 901 if (settings.interactionMode === 'fullscreen') { | |
| 902 // update location.href (browser URL) in fullscreen mode | |
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903 var url = getDigilibUrl(data); |
| 629 | 904 var history = window.history; |
| 905 if (typeof(history.pushState) === 'function') { | |
| 906 console.debug("we could modify history, but we don't..."); | |
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907 } |
| 629 | 908 window.location = url; |
| 909 } else { | |
| 910 // embedded mode -- just change img src | |
| 911 var url = getScalerUrl(data); | |
| 912 data.$img.attr('src', url); | |
| 719 | 913 // redisplay bird img |
| 914 updateBirdDiv(data); | |
| 758 | 915 highlightButtons(data); |
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916 } |
| 615 | 917 }; |
| 918 | |
| 760 | 919 // update display (overlays etc.) |
| 920 var updateDisplay = function (data) { | |
| 921 updateImgTrafo(data); | |
| 922 renderMarks(data); | |
| 923 setupZoomDrag(data); | |
| 924 if (data.settings.isBirdDivVisible) { | |
| 925 renderBirdArea(data); | |
| 926 setupBirdDrag(data); | |
| 927 } | |
| 777 | 928 // send event |
| 929 $(data).trigger('update'); | |
| 760 | 930 }; |
| 768 | 931 |
| 655 | 932 // returns maximum size for scaler img in fullscreen mode |
| 771 | 933 var getFullscreenImgSize = function (data) { |
| 655 | 934 var $win = $(window); |
| 935 var winH = $win.height(); | |
| 772 | 936 var winW = $win.width(); |
| 937 var $body = $('body'); | |
| 773 | 938 // include standard body margins |
| 939 var borderW = $body.outerWidth(true) - $body.width(); | |
| 940 var borderH = $body.outerHeight(true) - $body.height(); | |
| 772 | 941 // get width of first button div |
| 942 var buttonsW = 0; | |
| 943 if (data.$buttonSets) { | |
| 944 buttonsW = data.$buttonSets[0].outerWidth(); | |
| 945 } | |
| 946 // account for left/right border, body margins and additional requirements | |
| 773 | 947 var calcW = winW - borderW - buttonsW - data.settings.scalerInset; |
| 948 var calcH = winH - borderH; | |
| 949 console.debug(winW, winH, 'winW:', $win.width(), 'border:', borderW, 'buttonsW:', buttonsW, 'calc:', calcW); | |
| 950 return geom.size(calcW, calcH); | |
| 655 | 951 }; |
| 952 | |
| 601 | 953 // creates HTML structure for digilib in elem |
| 620 | 954 var setupScalerDiv = function (data) { |
| 955 var settings = data.settings; | |
| 640 | 956 var $elem = data.$elem; |
| 718 | 957 $elem.addClass('digilib'); |
| 721 | 958 var $img; |
| 959 var scalerUrl; | |
| 601 | 960 if (settings.interactionMode === 'fullscreen') { |
| 721 | 961 // fullscreen |
| 718 | 962 $elem.addClass('dl_fullscreen'); |
| 771 | 963 var imgSize = getFullscreenImgSize(data); |
| 643 | 964 // fitwidth/height omits destination height/width |
| 721 | 965 if (data.dlOpts.fitheight == null) { |
| 643 | 966 settings.dw = imgSize.width; |
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967 } |
| 721 | 968 if (data.dlOpts.fitwidth == null) { |
| 643 | 969 settings.dh = imgSize.height; |
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970 } |
| 679 | 971 scalerUrl = getScalerUrl(data); |
| 721 | 972 $img = $('<img/>'); |
| 602 | 973 } else { |
| 721 | 974 // embedded mode -- try to keep img tag |
| 718 | 975 $elem.addClass('dl_embedded'); |
| 721 | 976 scalerUrl = getScalerUrl(data); |
| 616 | 977 $img = $elem.find('img'); |
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978 if ($img.length > 0) { |
| 721 | 979 oldUrl = $img.attr('src'); |
| 980 if (oldUrl === scalerUrl) { | |
| 981 console.debug("img detach:", $img); | |
| 982 $img.detach(); | |
| 983 } else { | |
| 984 $img = $('<img/>'); | |
| 985 } | |
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986 } else { |
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987 $img = $('<img/>'); |
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988 } |
| 601 | 989 } |
| 772 | 990 // create new inner html, keep buttons |
| 991 $elem.contents(":not(div.buttons)").remove(); | |
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992 var $scaler = $('<div class="scaler"/>'); |
| 772 | 993 // scaler should be the first child element? |
| 994 $elem.prepend($scaler); | |
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995 $scaler.append($img); |
| 615 | 996 $img.addClass('pic'); |
| 642 | 997 data.$scaler = $scaler; |
| 629 | 998 data.$img = $img; |
| 680 | 999 // setup image load handler before setting the src attribute (IE bug) |
| 1000 $img.load(scalerImgLoadedHandler(data)); | |
| 760 | 1001 $img.error(function () {console.error("error loading scaler image");}); |
| 680 | 1002 $img.attr('src', scalerUrl); |
| 601 | 1003 }; |
| 608 | 1004 |
| 603 | 1005 // creates HTML structure for buttons in elem |
| 690 | 1006 var createButtons = function (data, buttonSetIdx) { |
| 640 | 1007 var $elem = data.$elem; |
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1008 var settings = data.settings; |
| 658 | 1009 var mode = settings.interactionMode; |
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1010 var buttonSettings = settings.buttonSettings[mode]; |
| 675 | 1011 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 683 | 1012 if (buttonGroup == null) { |
| 1013 // no buttons here | |
| 1014 return; | |
| 1015 } | |
| 1016 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 675 | 1017 var buttonNames = buttonSettings[buttonGroup]; |
| 1018 for (var i = 0; i < buttonNames.length; i++) { | |
| 1019 var buttonName = buttonNames[i]; | |
| 1020 var buttonConfig = settings.buttons[buttonName]; | |
| 658 | 1021 // construct the button html |
| 1022 var $button = $('<div class="button"></div>'); | |
| 1023 var $a = $('<a/>'); | |
| 1024 var $img = $('<img class="button"/>'); | |
| 1025 $buttonsDiv.append($button); | |
| 1026 $button.append($a); | |
| 1027 $a.append($img); | |
| 1028 // add attributes and bindings | |
| 1029 $button.attr('title', buttonConfig.tooltip); | |
| 675 | 1030 $button.addClass('button-' + buttonName); |
| 658 | 1031 // create handler for the buttons |
| 1032 $a.bind('click.digilib', (function () { | |
| 1033 // we create a new closure to capture the value of action | |
| 1034 var action = buttonConfig.onclick; | |
| 1035 if ($.isArray(action)) { | |
| 1036 // the handler function calls digilib with action and parameters | |
| 1037 return function (evt) { | |
| 1038 console.debug('click action=', action, ' evt=', evt); | |
| 1039 $elem.digilib.apply($elem, action); | |
| 1040 return false; | |
| 1041 }; | |
| 1042 } else { | |
| 1043 // the handler function calls digilib with action | |
| 1044 return function (evt) { | |
| 1045 console.debug('click action=', action, ' evt=', evt); | |
| 1046 $elem.digilib(action); | |
| 1047 return false; | |
| 1048 }; | |
| 1049 } | |
| 1050 })()); | |
| 758 | 1051 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 683 | 1052 } |
| 655 | 1053 // make buttons div scroll if too large for window |
| 1054 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1055 $buttonsDiv.css('position', 'absolute'); | |
| 1056 } | |
| 690 | 1057 // buttons hidden at first |
| 1058 $buttonsDiv.hide(); | |
| 1059 $elem.append($buttonsDiv); | |
| 675 | 1060 if (data.$buttonSets == null) { |
| 690 | 1061 // first button set |
| 675 | 1062 data.$buttonSets = [$buttonsDiv]; |
| 1063 } else { | |
| 683 | 1064 $elem.append($buttonsDiv); |
| 675 | 1065 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1066 } | |
| 605 | 1067 return $buttonsDiv; |
| 603 | 1068 }; |
| 608 | 1069 |
| 1070 // creates HTML structure for the bird's eye view in elem | |
| 631 | 1071 var setupBirdDiv = function (data) { |
| 640 | 1072 var $elem = data.$elem; |
| 608 | 1073 // the bird's eye div |
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1074 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 608 | 1075 // the detail indicator frame |
| 719 | 1076 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 608 | 1077 // the small image |
| 1078 var $birdImg = $('<img class="birdimg"/>'); | |
| 716 | 1079 data.$birdDiv = $birdDiv; |
| 1080 data.$birdZoom = $birdZoom; | |
| 1081 data.$birdImg = $birdImg; | |
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1082 $elem.append($birdDiv); |
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1083 $birdDiv.append($birdZoom); |
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1084 $birdDiv.append($birdImg); |
| 768 | 1085 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 716 | 1086 var birdUrl = getBirdImgUrl(data); |
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1087 $birdImg.load(birdImgLoadedHandler(data)); |
| 760 | 1088 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 716 | 1089 $birdImg.attr('src', birdUrl); |
| 1090 }; | |
| 1091 | |
| 1092 // update bird's eye view | |
| 1093 var updateBirdDiv = function (data) { | |
| 1094 if (!data.settings.isBirdDivVisible) return; | |
| 1095 var $birdImg = data.$birdImg; | |
| 1096 var oldsrc = $birdImg.attr('src'); | |
| 1097 var newsrc = getBirdImgUrl(data); | |
| 1098 if (oldsrc !== newsrc) { | |
| 1099 $birdImg.attr('src', newsrc); | |
| 1100 // onload handler re-renders | |
| 1101 } else { | |
| 1102 // re-render | |
| 1103 renderBirdArea(data); | |
| 723 | 1104 // enable click and drag |
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1105 setupBirdDrag(data); |
| 716 | 1106 } |
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1107 }; |
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1108 |
| 618 | 1109 // creates HTML structure for the about view in elem |
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1110 var setupAboutDiv = function (data) { |
| 640 | 1111 var $elem = data.$elem; |
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1112 var settings = data.settings; |
| 618 | 1113 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 609 | 1114 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1115 var $link = $('<a/>'); | |
| 1116 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1117 var $content = $('<p/>'); | |
| 1118 $elem.append($aboutDiv); | |
| 1119 $aboutDiv.append($header); | |
| 1120 $aboutDiv.append($link); | |
| 1121 $aboutDiv.append($content); | |
| 1122 $link.append($logo); | |
| 1123 $logo.attr('src', settings.logoUrl); | |
| 628 | 1124 $link.attr('href', settings.homeUrl); |
| 609 | 1125 $content.text('Version: ' + settings.version); |
| 768 | 1126 data.$aboutDiv = $aboutDiv; |
| 628 | 1127 // click hides |
| 768 | 1128 $aboutDiv.bind('click.digilib', function () { |
| 1129 actions['showAboutDiv'](data, false); | |
| 703 | 1130 }); |
| 627 | 1131 }; |
| 1132 | |
| 628 | 1133 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1134 var showDiv = function (isVisible, $div, show) { | |
| 638 | 1135 if (show == null) { |
| 628 | 1136 // toggle visibility |
| 1137 isVisible = !isVisible; | |
| 1138 } else { | |
| 1139 // set visibility | |
| 1140 isVisible = show; | |
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1141 } |
| 628 | 1142 if (isVisible) { |
| 1143 $div.fadeIn(); | |
| 1144 } else { | |
| 1145 $div.fadeOut(); | |
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1146 } |
| 628 | 1147 return isVisible; |
| 627 | 1148 }; |
| 609 | 1149 |
| 690 | 1150 // display more (or less) button sets |
| 1151 var showButtons = function (data, more, setIdx, animated) { | |
| 704 | 1152 var atime = animated ? 'fast': 0; |
| 690 | 1153 if (more) { |
| 1154 // add set | |
| 1155 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1156 var $set; | |
| 1157 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1158 // set exists | |
| 1159 $set = data.$buttonSets[setIdx]; | |
| 1160 } else { | |
| 1161 $set = createButtons(data, setIdx); | |
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1162 } |
| 690 | 1163 if ($set == null) return false; |
| 758 | 1164 // include border in calculation |
| 1165 var btnWidth = $set.outerWidth(); | |
| 772 | 1166 // console.debug("btnWidth", btnWidth); |
| 690 | 1167 // move remaining sets left and show new set |
| 704 | 1168 if ($otherSets.length > 0) { |
| 1169 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1170 function () {$set.show();}); | |
| 690 | 1171 } else { |
| 1172 $set.show(); | |
| 704 | 1173 } |
| 690 | 1174 } else { |
| 1175 // remove set | |
| 1176 var $set = data.$buttonSets[setIdx]; | |
| 1177 if ($set == null) return false; | |
| 772 | 1178 var btnWidth = $set.outerWidth(); |
| 690 | 1179 // hide last set |
| 1180 $set.hide(); | |
| 1181 // take remaining sets and move right | |
| 1182 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 704 | 1183 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1184 } | |
| 690 | 1185 return true; |
| 1186 }; | |
| 1187 | |
| 758 | 1188 // check for buttons to highlight |
| 1189 var highlightButtons = function (data, name, on) { | |
| 1190 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1191 // add a class for highlighted button | |
| 1192 var highlight = function (name, on) { | |
| 1193 var $button = $buttons.find('div.button-' + name); | |
| 1194 if (on) { | |
| 1195 $button.addClass('button-on'); | |
| 1196 } else { | |
| 1197 $button.removeClass('button-on'); | |
| 1198 } | |
| 1199 }; | |
| 1200 if (name != null) { | |
| 1201 return highlight(name, on); | |
| 1202 } | |
| 1203 var flags = data.scalerFlags; | |
| 1204 var settings = data.settings; | |
| 1205 highlight('rot', settings.rot); | |
| 1206 highlight('brgt', settings.brgt); | |
| 1207 highlight('cont', settings.cont); | |
| 1208 highlight('bird', settings.isBirdDivVisible); | |
| 1209 highlight('help', settings.isAboutDivVisible); | |
| 1210 highlight('hmir', flags.hmir); | |
| 1211 highlight('vmir', flags.vmir); | |
| 759 | 1212 highlight('quality', flags.q1 || flags.q2); |
| 758 | 1213 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1214 }; | |
| 768 | 1215 |
|
651
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split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1216 // create Transform from area and $img |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1217 var getImgTrafo = function ($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
|
1218 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
|
1219 if (mode != null) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1220 var imgInfo = data.imgInfo; |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1221 if (mode === 'pixel') { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1222 // 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
|
1223 if (imgInfo != null) { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1224 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
|
1225 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
|
1226 } else { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1227 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
|
1228 } |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1229 } |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1230 if (mode === 'size') { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1231 // 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
|
1232 if (imgInfo != null) { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1233 var ddpi = parseFloat(data.settings.ddpi); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
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diff
changeset
|
1234 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
|
1235 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
|
1236 } else { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1237 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
|
1238 } |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1239 } |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1240 } |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1241 var trafo = geom.transform(); |
| 668 | 1242 // move zoom area offset to center |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
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diff
changeset
|
1243 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 668 | 1244 // scale zoom area size to [1,1] |
|
651
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split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
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diff
changeset
|
1245 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 668 | 1246 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1247 if (rot || hmir || vmir) { | |
| 1248 // move [0.5,0.5] to center | |
| 1249 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1250 if (hmir) { | |
| 1251 // mirror about center | |
| 1252 trafo.concat(trafo.getMirror('y')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1253 } |
| 668 | 1254 if (vmir) { |
| 1255 // mirror about center | |
| 1256 trafo.concat(trafo.getMirror('x')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1257 } |
| 668 | 1258 if (rot) { |
| 1259 // rotate around center | |
| 1260 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1261 } |
| 668 | 1262 // move back |
| 1263 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
|
1264 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1265 // 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
|
1266 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
|
1267 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
|
1268 return trafo; |
| 648 | 1269 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1270 |
| 760 | 1271 // update scaler image transform |
| 1272 var updateImgTrafo = function (data) { | |
| 1273 var $img = data.$img; | |
| 1274 if ($img != null && $img.get(0).complete) { | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1275 // create Transform from current zoomArea and image size |
| 668 | 1276 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1277 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
|
1278 data.scaleMode, data); |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1279 // console.debug("imgTrafo=", data.imgTrafo); |
| 760 | 1280 } |
| 1281 }; | |
| 768 | 1282 |
| 760 | 1283 // returns function for load event of scaler img |
| 1284 var scalerImgLoadedHandler = function (data) { | |
| 1285 return function () { | |
| 1286 var $img = $(this); | |
| 1287 console.debug("scaler img loaded=",$img); | |
| 1288 var $scaler = data.$scaler; | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1289 var imgRect = geom.rectangle($img); |
| 726 | 1290 // adjust scaler div size |
| 731 | 1291 imgRect.adjustDiv($scaler); |
| 708 | 1292 // show image in case it was hidden (for example in zoomDrag) |
| 726 | 1293 $img.css('visibility', 'visible'); |
| 734 | 1294 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1295 // update display (render marks, etc.) |
| 1296 updateDisplay(data); | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1297 }; |
|
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 // 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
|
1301 var birdImgLoadedHandler = function (data) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1302 return function () { |
| 748 | 1303 var $birdImg = $(this); |
| 1304 var birdRect = geom.rectangle($birdImg); | |
| 1305 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1306 if (birdRect.width === 0) { | |
| 1307 // 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
|
1308 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 748 | 1309 } |
| 760 | 1310 // update display (zoom area indicator) |
| 1311 updateDisplay(data); | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1312 }; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1313 }; |
| 626 | 1314 |
| 1315 // place marks on the image | |
| 1316 var renderMarks = function (data) { | |
| 760 | 1317 if (data.$img == null || data.imgTrafo == null) return; |
| 1318 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 640 | 1319 var $elem = data.$elem; |
| 636 | 1320 var marks = data.marks; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1321 // clear marks |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1322 $elem.find('div.mark').remove(); |
| 626 | 1323 for (var i = 0; i < marks.length; i++) { |
| 1324 var mark = marks[i]; | |
| 636 | 1325 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 1326 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
|
1327 console.debug("renderMarks: mpos=",mpos); |
| 626 | 1328 // create mark |
| 1329 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1330 var $mark = $(html); | |
| 1331 $elem.append($mark); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1332 mpos.adjustDiv($mark); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1333 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1334 } |
| 626 | 1335 }; |
| 648 | 1336 |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
1337 // show zoom area indicator on bird's eye view |
| 716 | 1338 var renderBirdArea = function (data) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1339 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1340 var $birdZoom = data.$birdZoom; |
| 652 | 1341 var zoomArea = data.zoomArea; |
| 716 | 1342 var normalSize = isFullArea(zoomArea); |
| 1343 if (normalSize) { | |
| 1344 $birdZoom.hide(); | |
| 1345 return; | |
| 1346 } else { | |
| 1347 $birdZoom.show(); | |
| 1348 } | |
| 748 | 1349 // create Transform from current area and picsize |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1350 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 731 | 1351 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 748 | 1352 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 734 | 1353 // acount for border width |
| 768 | 1354 var bw = getBorderWidth($birdZoom); |
| 1355 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1356 if (data.settings.interactionMode === 'fullscreen') { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1357 // no animation for fullscreen |
| 731 | 1358 zoomRect.adjustDiv($birdZoom); |
| 716 | 1359 } else { |
| 1360 // nice animation for embedded mode :-) | |
| 734 | 1361 // correct offsetParent because animate doesn't use offset |
| 719 | 1362 var ppos = $birdZoom.offsetParent().offset(); |
| 731 | 1363 var dest = { |
| 748 | 1364 left : (zoomRect.x - ppos.left) + 'px', |
| 1365 top : (zoomRect.y - ppos.top) + 'px', | |
| 1366 width : zoomRect.width, | |
| 1367 height : zoomRect.height | |
| 1368 }; | |
| 731 | 1369 $birdZoom.animate(dest); |
| 716 | 1370 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1371 }; |
| 652 | 1372 |
| 640 | 1373 // zooms by the given factor |
| 636 | 1374 var zoomBy = function(data, factor) { |
| 1375 var area = data.zoomArea; | |
| 1376 var newarea = area.copy(); | |
| 1377 // scale | |
| 1378 newarea.width /= factor; | |
| 1379 newarea.height /= factor; | |
| 1380 // and recenter | |
| 1381 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1382 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1383 newarea = FULL_AREA.fit(newarea); |
| 636 | 1384 data.zoomArea = newarea; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1385 redisplay(data); |
| 636 | 1386 }; |
| 1387 | |
| 640 | 1388 // add a mark where clicked |
| 1389 var setMark = function (data) { | |
| 642 | 1390 var $scaler = data.$scaler; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1391 // unbind other handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1392 $scaler.unbind(".dlZoomDrag"); |
| 640 | 1393 // start event capturing |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1394 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 640 | 1395 // event handler adding a new mark |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1396 console.log("setmark at=", evt); |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1397 var mpos = geom.position(evt); |
| 640 | 1398 var pos = data.imgTrafo.invtransform(mpos); |
| 1399 data.marks.push(pos); | |
| 1400 redisplay(data); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1401 return false; |
| 640 | 1402 }); |
| 1403 }; | |
| 661 | 1404 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1405 // zoom to the area around two clicked points |
| 647 | 1406 var zoomArea = function(data) { |
| 1407 $elem = data.$elem; | |
| 1408 $scaler = data.$scaler; | |
| 1409 var pt1, pt2; | |
| 1410 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1411 $elem.append($zoomDiv); | |
| 768 | 1412 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 647 | 1413 var picRect = geom.rectangle($scaler); |
| 1414 // FIX ME: is there a way to query the border width from CSS info? | |
| 1415 // rect.x -= 2; // account for overlay borders | |
| 1416 // rect.y -= 2; | |
| 1417 | |
| 1418 var zoomStart = function (evt) { | |
| 1419 pt1 = geom.position(evt); | |
| 1420 // setup and show zoom div | |
| 731 | 1421 pt1.adjustDiv($zoomDiv); |
| 661 | 1422 $zoomDiv.width(0).height(0); |
| 647 | 1423 $zoomDiv.show(); |
| 1424 // register events | |
| 731 | 1425 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1426 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1427 return false; |
| 1428 }; | |
| 661 | 1429 |
| 734 | 1430 // mouse move handler |
| 1431 var zoomMove = function (evt) { | |
| 1432 pt2 = geom.position(evt); | |
| 1433 var rect = geom.rectangle(pt1, pt2); | |
| 1434 rect.clipTo(picRect); | |
| 1435 // update zoom div | |
| 1436 rect.adjustDiv($zoomDiv); | |
| 1437 return false; | |
| 1438 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1439 |
| 647 | 1440 // mouseup handler: end moving |
| 1441 var zoomEnd = function (evt) { | |
| 1442 pt2 = geom.position(evt); | |
| 1443 // assume a click and continue if the area is too small | |
| 1444 var clickRect = geom.rectangle(pt1, pt2); | |
| 703 | 1445 if (clickRect.getArea() <= 5) return false; |
| 647 | 1446 // hide zoom div |
| 1447 $zoomDiv.remove(); | |
| 1448 // unregister events | |
| 731 | 1449 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1450 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1451 // clip and transform |
| 1452 clickRect.clipTo(picRect); | |
| 1453 var area = data.imgTrafo.invtransform(clickRect); | |
| 1454 data.zoomArea = area; | |
| 1455 // zoomed is always fit | |
| 1456 data.settings.ws = 1; | |
| 731 | 1457 delete data.dlOpts.fitwidth; |
| 1458 delete data.dlOpts.fitheight; | |
| 647 | 1459 redisplay(data); |
| 1460 return false; | |
| 1461 }; | |
| 661 | 1462 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1463 // clear old handler (also ZoomDrag) |
| 731 | 1464 $scaler.unbind('.dlZoomArea'); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1465 $scaler.unbind(".dlZoomDrag"); |
| 731 | 1466 $elem.unbind('.dlZoomArea'); |
| 647 | 1467 // bind start zoom handler |
| 731 | 1468 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 647 | 1469 }; |
| 640 | 1470 |
| 716 | 1471 // 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
|
1472 var setupBirdDrag = function(data) { |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1473 var $birdImg = data.$birdImg; |
|
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1474 var $birdZoom = data.$birdZoom; |
| 723 | 1475 var $document = $(document); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1476 var $scaler = data.$scaler; |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1477 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 768 | 1478 var bw = getBorderWidth($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1479 |
| 734 | 1480 // mousedown handler: start dragging bird zoom to a new position |
| 1481 var birdZoomStartDrag = function(evt) { | |
| 1482 startPos = geom.position(evt); | |
| 1483 // position may have changed | |
| 1484 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1485 birdImgRect = geom.rectangle($birdImg); | |
| 1486 birdZoomRect = geom.rectangle($birdZoom); | |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1487 scalerPos = geom.position($scaler); |
| 734 | 1488 newRect = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1489 fullRect = setZoomBG(data); // setup zoom background image |
| 734 | 1490 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1491 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1492 return false; | |
| 1493 }; | |
| 1494 | |
| 726 | 1495 // mousemove handler: drag |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1496 var birdZoomMove = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
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670
diff
changeset
|
1497 var pos = geom.position(evt); |
| 723 | 1498 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
|
1499 // move birdZoom div, keeping size |
| 723 | 1500 newRect = birdZoomRect.copy(); |
| 726 | 1501 newRect.addPosition(delta); |
|
671
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first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1502 newRect.stayInside(birdImgRect); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1503 // reflect birdview zoom position in scaler image |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1504 var area = data.birdTrafo.invtransform(newRect); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1505 var imgArea = data.imgTrafo.transform(area); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1506 var offset = imgArea.getPosition().neg(); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1507 offset.add(scalerPos); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1508 if (fullRect) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1509 var bgPos = fullRect.getPosition().add(offset); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1510 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1511 var bgPos = offset; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1512 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1513 // move the background image to the new position |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1514 data.$scaler.css({ |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1515 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1516 }); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1517 // acount for border width |
| 768 | 1518 newRect.addPosition({x : -bw, y : -bw}); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1519 newRect.adjustDiv($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1520 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1521 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1522 |
| 726 | 1523 // mouseup handler: reload page |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1524 var birdZoomEndDrag = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1525 var settings = data.settings; |
| 723 | 1526 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1527 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1528 if (newRect == null) { | |
| 1529 // no movement happened - set center to click position | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1530 startPos = birdZoomRect.getCenter(); |
| 723 | 1531 birdZoomMove(evt); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1532 } |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1533 // ugly, but needed to prevent double border width compensation |
| 768 | 1534 newRect.addPosition({x : bw, y : bw}); |
| 723 | 1535 var newArea = data.birdTrafo.invtransform(newRect); |
| 1536 data.zoomArea = newArea; | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1537 redisplay(data); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1538 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1539 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1540 |
| 723 | 1541 // clear old handler |
| 1542 $document.unbind(".dlBirdMove"); | |
| 1543 $birdImg.unbind(".dlBirdMove"); | |
| 1544 $birdZoom.unbind(".dlBirdMove"); | |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1545 if (! isFullArea(data.zoomArea)) { |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1546 // set new handler |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1547 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1548 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1549 } |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1550 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1551 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1552 // move bird zoom indicator to reflect zoomed detail area |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1553 var setBirdZoom = function(data, rect) { |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1554 var part = data.imgTrafo.invtransform(rect); |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1555 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1556 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1557 var birdRect = birdTrafo.transform(part); |
| 768 | 1558 var $birdZoom = data.$birdZoom; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1559 // acount for border width |
| 768 | 1560 var bw = getBorderWidth($birdZoom); |
| 1561 birdRect.addPosition({x : -bw, y : -bw}); | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1562 birdRect.adjustDiv(data.$birdZoom); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1563 }; |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1564 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1565 // set zoom background |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1566 var setZoomBG = function(data) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1567 var $scaler = data.$scaler; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1568 var $img = data.$img; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1569 var fullRect = null; |
| 760 | 1570 // hide marks |
| 1571 data.$elem.find('div.mark').hide(); | |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1572 // hide the scaler img, show background of div instead |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1573 $img.css('visibility', 'hidden'); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1574 var scalerCss = { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1575 'background-image' : 'url(' + $img.attr('src') + ')', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1576 'background-repeat' : 'no-repeat', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1577 'background-position' : 'left top', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1578 'opacity' : '0.5', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1579 'cursor' : 'move' |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1580 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1581 if (data.hasBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1582 // full-size background using CSS3-background-size |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1583 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1584 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1585 // correct offset because background is relative |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1586 var scalerPos = geom.position($scaler); |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1587 fullRect.addPosition(scalerPos.neg()); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1588 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1589 scalerCss['background-image'] = 'url(' + url + ')'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1590 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1591 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1592 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1593 // too big |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1594 fullRect = null; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1595 } |
|
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 $scaler.css(scalerCss); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1598 // isBgReady = true; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1599 return fullRect; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1600 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1601 |
| 731 | 1602 // setup handlers for dragging the zoomed image |
| 698 | 1603 var setupZoomDrag = function(data) { |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1604 var startPos, delta, fullRect; |
| 726 | 1605 var $document = $(document); |
| 698 | 1606 var $elem = data.$elem; |
| 1607 var $scaler = data.$scaler; | |
| 1608 var $img = data.$img; | |
| 703 | 1609 |
| 726 | 1610 // drag the image and load a new detail on mouse up |
| 698 | 1611 var dragStart = function (evt) { |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1612 console.debug("dragstart at=",evt); |
|
730
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1613 // don't start dragging if not zoomed |
|
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1614 if (isFullArea(data.zoomArea)) return false; |
| 726 | 1615 startPos = geom.position(evt); |
| 734 | 1616 delta = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1617 // set low res background immediately on mousedown |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1618 fullRect = setZoomBG(data); |
| 726 | 1619 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1620 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1621 return false; |
| 698 | 1622 }; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1623 |
| 726 | 1624 // mousemove handler: drag zoomed image |
| 698 | 1625 var dragMove = function (evt) { |
| 1626 var pos = geom.position(evt); | |
| 734 | 1627 delta = startPos.delta(pos); |
| 1628 if (fullRect) { | |
| 1629 var bgPos = fullRect.getPosition().add(delta); | |
| 1630 } else { | |
| 1631 var bgPos = delta; | |
| 1632 } | |
| 698 | 1633 // move the background image to the new position |
| 708 | 1634 $scaler.css({ |
| 734 | 1635 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 698 | 1636 }); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1637 // set birdview indicator to reflect new zoom position |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1638 var za = geom.rectangle($img); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1639 za.addPosition(delta.neg()); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1640 setBirdZoom(data, za); |
| 698 | 1641 return false; |
| 1642 }; | |
| 703 | 1643 |
| 726 | 1644 // mouseup handler: reload zoomed image in new position |
| 698 | 1645 var dragEnd = function (evt) { |
| 732 | 1646 $scaler.css('cursor', 'auto'); |
| 726 | 1647 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1648 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1649 if (delta == null || delta.distance() < 2) { | |
| 1650 // no movement | |
| 1651 $img.css('visibility', 'visible'); | |
| 734 | 1652 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1653 // unhide marks |
| 1654 data.$elem.find('div.mark').show(); | |
| 726 | 1655 return false; |
| 1656 } | |
| 1657 // get old zoom area (screen coordinates) | |
| 734 | 1658 var za = geom.rectangle($img); |
| 726 | 1659 // move |
| 734 | 1660 za.addPosition(delta.neg()); |
| 726 | 1661 // transform back |
| 1662 var newArea = data.imgTrafo.invtransform(za); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1663 data.zoomArea = FULL_AREA.fit(newArea); |
|
701
2660b733a1e7
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
700
diff
changeset
|
1664 redisplay(data); |
| 698 | 1665 return false; |
| 1666 }; | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1667 |
| 726 | 1668 // clear old handler |
| 1669 $document.unbind(".dlZoomDrag"); | |
| 734 | 1670 $scaler.unbind(".dlZoomDrag"); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1671 if (! isFullArea(data.zoomArea)) { |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1672 // set handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1673 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1674 } |
| 698 | 1675 }; |
| 1676 | |
| 696 | 1677 // get image quality as a number (0..2) |
| 1678 var getQuality = function (data) { | |
| 1679 var flags = data.scalerFlags; | |
| 1680 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1681 return parseInt(q[1], 10); | |
| 699 | 1682 }; |
| 696 | 1683 |
| 1684 // set image quality as a number (0..2) | |
| 1685 var setQuality = function (data, qual) { | |
| 1686 var flags = data.scalerFlags; | |
| 1687 // clear flags | |
| 1688 for (var i = 0; i < 3; ++i) { | |
| 1689 delete flags['q'+i]; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1690 } |
| 696 | 1691 flags['q'+qual] = 'q'+qual; |
| 699 | 1692 }; |
| 703 | 1693 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1694 // get image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1695 var getScaleMode = function (data) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1696 if (data.scalerFlags.clip != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1697 return 'pixel'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1698 } else if (data.scalerFlags.osize != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1699 return 'size'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1700 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1701 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1702 return 'screen'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1703 }; |
| 768 | 1704 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1705 // set image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1706 var setScaleMode = function (data, mode) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1707 delete data.scalerFlags.fit; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1708 delete data.scalerFlags.clip; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1709 delete data.scalerFlags.osize; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1710 if (mode === 'pixel') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1711 data.scalerFlags.clip = 'clip'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1712 } else if (mode === 'size') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1713 data.scalerFlags.osize = 'osize'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1714 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1715 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1716 }; |
| 768 | 1717 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1718 // sets a key to a value (relative values with +/- if relative=true) |
| 643 | 1719 var setNumValue = function(settings, key, value) { |
| 709 | 1720 if (value == null) return null; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
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parents:
704
diff
changeset
|
1721 if (isNumber(value)) { |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1722 settings[key] = value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1723 return value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1724 } |
|
498f9c7487ae
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robcast
parents:
704
diff
changeset
|
1725 var sign = value[0]; |
| 643 | 1726 if (sign === '+' || sign === '-') { |
| 1727 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1728 // this isn't perfect but still... |
| 643 | 1729 settings[key] = 0; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1730 } |
| 643 | 1731 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1732 } else { | |
| 1733 settings[key] = value; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1734 } |
| 643 | 1735 return settings[key]; |
| 1736 }; | |
| 648 | 1737 |
| 768 | 1738 // auxiliary function, assuming equal border width on all sides |
| 1739 var getBorderWidth = function($elem) { | |
| 1740 var border = $elem.outerWidth() - $elem.width(); | |
| 1741 return border/2; | |
| 1742 }; | |
| 1743 | |
| 648 | 1744 // auxiliary function (from old dllib.js) |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1745 var isFullArea = function(area) { |
| 652 | 1746 return (area.width === 1.0) && (area.height === 1.0); |
| 648 | 1747 }; |
| 1748 | |
| 634 | 1749 // auxiliary function (from Douglas Crockford, A.10) |
| 1750 var isNumber = function isNumber(value) { | |
| 703 | 1751 return typeof value === 'number' && isFinite(value); |
| 634 | 1752 }; |
| 648 | 1753 |
| 624 | 1754 // auxiliary function to crop senseless precision |
| 1755 var cropFloat = function (x) { | |
| 630 | 1756 return parseInt(10000 * x, 10) / 10000; |
| 624 | 1757 }; |
| 648 | 1758 |
| 685 | 1759 // fallback for console.log calls |
| 1760 if (customConsole) { | |
| 1761 var logFunction = function(type) { | |
| 1762 return function(){ | |
| 1763 var $debug = $('#debug'); // debug div | |
| 1764 if (!$debug) return; | |
| 1765 var args = Array.prototype.slice.call(arguments); | |
| 1766 var argtext = args.join(' '); | |
| 1767 var $logDiv = $('<div/>'); | |
| 1768 $logDiv.addClass(type); | |
| 1769 $logDiv.text(argtext); | |
| 1770 $debug.append($logDiv); | |
| 1771 }; | |
| 1772 }; | |
| 1773 console.log = logFunction('_log'); | |
| 1774 console.debug = logFunction('_debug'); | |
| 1775 console.error = logFunction('_error'); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1776 } |
| 685 | 1777 |
| 780 | 1778 // functions to export to plugins |
| 1779 fn = { | |
| 1780 parseQueryString : parseQueryString, | |
| 1781 getScalerUrl : getScalerUrl, | |
| 1782 getParamString : getParamString, | |
| 1783 getDigilibUrl : getDigilibUrl, | |
| 1784 unpackParams : unpackParams, | |
| 1785 packParams : packParams, | |
| 1786 redisplay : redisplay, | |
| 1787 updateDisplay : updateDisplay, | |
| 1788 getImgTrafo : getImgTrafo, | |
| 1789 getQuality : getQuality, | |
| 1790 setQuality : setQuality, | |
| 1791 getScaleMode : getScaleMode, | |
| 1792 setScaleMode : setScaleMode, | |
| 1793 isFullArea : isFullArea | |
| 1794 }; | |
| 781 | 1795 |
| 598 | 1796 // hook plugin into jquery |
| 778 | 1797 $.fn.digilib = function (action) { |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1798 // plugin extension mechanism |
| 779 | 1799 if (action === 'plugin') { |
| 1800 var plugin = arguments[1]; | |
| 1801 // each plugin needs a name | |
| 1802 if (plugin.name != null) { | |
| 1803 plugins[plugin.name] = plugin; | |
| 1804 } | |
| 780 | 1805 // initialisation of plugins done later |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1806 } else if (actions[action]) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1807 // 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
|
1808 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1809 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1810 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1811 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1812 return actions[action].apply(this, args); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1813 } else if (typeof(action) === 'object' || !action) { |
| 627 | 1814 // call init on this |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1815 return actions.init.apply(this, arguments); |
| 598 | 1816 } else { |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1817 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1818 } |
| 598 | 1819 }; |
| 685 | 1820 |
| 597 | 1821 })(jQuery); |