Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 772:33b5477f8d84 jquery
original size mode works with zoom area now. needs error handling.
author | robcast |
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date | Thu, 10 Feb 2011 23:38:03 +0100 |
parents | 7e9851ef03d7 |
children | 34bba748004d |
rev | line source |
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1 /* Copyright (c) 2011 Martin Raspe, Robert Casties |
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2 |
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3 This program is free software: you can redistribute it and/or modify |
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4 it under the terms of the GNU Lesser General Public License as published by |
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5 the Free Software Foundation, either version 2 of the License, or |
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6 (at your option) any later version. |
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7 |
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8 This program is distributed in the hope that it will be useful, |
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9 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 GNU Lesser General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU Lesser General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 |
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16 Authors: |
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17 Martin Raspe, Robert Casties, 11.1.2011 |
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18 */ |
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19 |
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20 /** |
604 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
655 | 24 |
767 | 25 /*jslint browser: true, debug: true, forin: true |
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26 */ |
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27 |
636 | 28 // fallback for console.log calls |
29 if (typeof(console) === 'undefined') { | |
30 var console = { | |
692 | 31 log : function(){}, |
32 debug : function(){}, | |
33 error : function(){} | |
34 }; | |
35 var customConsole = true; | |
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36 } |
604 | 37 |
38 (function($) { | |
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39 var buttons = { |
610 | 40 reference : { |
689 | 41 onclick : "reference", |
610 | 42 tooltip : "get a reference URL", |
765 | 43 icon : "reference.png" |
610 | 44 }, |
45 zoomin : { | |
643 | 46 onclick : ["zoomBy", 1.4], |
610 | 47 tooltip : "zoom in", |
765 | 48 icon : "zoom-in.png" |
610 | 49 }, |
50 zoomout : { | |
643 | 51 onclick : ["zoomBy", 0.7], |
610 | 52 tooltip : "zoom out", |
765 | 53 icon : "zoom-out.png" |
610 | 54 }, |
55 zoomarea : { | |
654 | 56 onclick : "zoomArea", |
610 | 57 tooltip : "zoom area", |
765 | 58 icon : "zoom-area.png" |
610 | 59 }, |
60 zoomfull : { | |
650 | 61 onclick : "zoomFull", |
610 | 62 tooltip : "view the whole image", |
765 | 63 icon : "zoom-full.png" |
610 | 64 }, |
65 pagewidth : { | |
650 | 66 onclick : ["zoomFull", "width"], |
610 | 67 tooltip : "page width", |
765 | 68 icon : "pagewidth.png" |
610 | 69 }, |
70 back : { | |
623 | 71 onclick : ["gotoPage", "-1"], |
610 | 72 tooltip : "goto previous image", |
765 | 73 icon : "back.png" |
610 | 74 }, |
75 fwd : { | |
623 | 76 onclick : ["gotoPage", "+1"], |
610 | 77 tooltip : "goto next image", |
765 | 78 icon : "fwd.png" |
610 | 79 }, |
80 page : { | |
716 | 81 onclick : "gotoPage", |
82 tooltip : "goto image number", | |
765 | 83 icon : "page.png" |
610 | 84 }, |
85 bird : { | |
635 | 86 onclick : "showBirdDiv", |
610 | 87 tooltip : "show bird's eye view", |
765 | 88 icon : "birds-eye.png" |
610 | 89 }, |
90 help : { | |
635 | 91 onclick : "showAboutDiv", |
610 | 92 tooltip : "about Digilib", |
765 | 93 icon : "help.png" |
610 | 94 }, |
95 reset : { | |
688 | 96 onclick : "reset", |
610 | 97 tooltip : "reset image", |
765 | 98 icon : "reset.png" |
610 | 99 }, |
100 mark : { | |
647 | 101 onclick : "setMark", |
610 | 102 tooltip : "set a mark", |
765 | 103 icon : "mark.png" |
610 | 104 }, |
105 delmark : { | |
650 | 106 onclick : "removeMark", |
610 | 107 tooltip : "delete the last mark", |
765 | 108 icon : "delmark.png" |
610 | 109 }, |
110 hmir : { | |
661 | 111 onclick : ["mirror", "h"], |
610 | 112 tooltip : "mirror horizontally", |
765 | 113 icon : "mirror-horizontal.png" |
610 | 114 }, |
115 vmir : { | |
661 | 116 onclick : ["mirror", "v"], |
610 | 117 tooltip : "mirror vertically", |
765 | 118 icon : "mirror-vertical.png" |
610 | 119 }, |
120 rot : { | |
663 | 121 onclick : "rotate", |
610 | 122 tooltip : "rotate image", |
765 | 123 icon : "rotate.png" |
610 | 124 }, |
125 brgt : { | |
663 | 126 onclick : "brightness", |
610 | 127 tooltip : "set brightness", |
765 | 128 icon : "brightness.png" |
610 | 129 }, |
130 cont : { | |
663 | 131 onclick : "contrast", |
610 | 132 tooltip : "set contrast", |
765 | 133 icon : "contrast.png" |
610 | 134 }, |
135 rgb : { | |
136 onclick : "javascript:setParamWin('rgb', '...')", | |
137 tooltip : "set rgb values", | |
765 | 138 icon : "rgb.png" |
610 | 139 }, |
140 quality : { | |
748 | 141 onclick : "setQuality", |
610 | 142 tooltip : "set image quality", |
765 | 143 icon : "quality.png" |
610 | 144 }, |
145 size : { | |
146 onclick : "javascript:toggleSizeMenu()", | |
147 tooltip : "set page size", | |
765 | 148 icon : "size.png" |
610 | 149 }, |
150 calibrationx : { | |
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151 onclick : "calibrate", |
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152 tooltip : "calibrate screen resolution", |
765 | 153 icon : "calibration-x.png" |
610 | 154 }, |
155 scale : { | |
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156 onclick : "setScaleMode", |
610 | 157 tooltip : "change image scale", |
765 | 158 icon : "original-size.png" |
610 | 159 }, |
699 | 160 toggleoptions : { |
748 | 161 onclick : "moreButtons", |
699 | 162 tooltip : "more options", |
765 | 163 icon : "options.png" |
699 | 164 }, |
690 | 165 moreoptions : { |
748 | 166 onclick : ["moreButtons", "+1"], |
690 | 167 tooltip : "more options", |
765 | 168 icon : "options.png" |
690 | 169 }, |
170 lessoptions : { | |
748 | 171 onclick : ["moreButtons", "-1"], |
690 | 172 tooltip : "less options", |
765 | 173 icon : "options.png" |
610 | 174 }, |
175 SEP : { | |
765 | 176 icon : "sep.png" |
610 | 177 } |
178 }; | |
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179 |
605 | 180 var defaults = { |
616 | 181 // version of this script |
635 | 182 'version' : 'jquery.digilib.js 0.9', |
616 | 183 // logo url |
184 'logoUrl' : '../img/digilib-logo-text1.png', | |
635 | 185 // homepage url (behind logo) |
186 'homeUrl' : 'http://digilib.berlios.de', | |
744 | 187 // base URL to digilib viewer (for reference URLs) |
188 'digilibBaseUrl' : null, | |
610 | 189 // base URL to Scaler servlet |
652 | 190 'scalerBaseUrl' : null, |
610 | 191 // list of Scaler parameters |
627 | 192 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
193 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
194 // Scaler parameter defaults | |
643 | 195 'pn' : 1, |
627 | 196 'ww' : 1.0, |
197 'wh' : 1.0, | |
198 'wx' : 0.0, | |
199 'wy' : 0.0, | |
200 'ws' : 1.0, | |
643 | 201 'mo' : '', |
202 'rot' : 0, | |
203 'cont' : 0, | |
204 'brgt' : 0, | |
205 'rgbm' : '0/0/0', | |
206 'rgba' : '0/0/0', | |
207 'ddpi' : null, | |
208 'ddpix' : null, | |
209 'ddpiy' : null, | |
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210 // list of digilib parameters |
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211 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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212 // digilib parameter defaults |
643 | 213 'mk' : '', |
650 | 214 'clop' : '', |
643 | 215 // mode of operation: |
216 // fullscreen = take parameters from page URL, keep state in page URL | |
217 // embedded = take parameters from Javascript options, keep state inside object | |
610 | 218 'interactionMode' : 'fullscreen', |
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219 // buttons |
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220 'buttons' : buttons, |
668 | 221 // defaults for digilib buttons |
665 | 222 'buttonSettings' : { |
223 'fullscreen' : { | |
668 | 224 // path to button images (must end with a slash) |
665 | 225 'imagePath' : 'img/fullscreen/', |
721 | 226 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
227 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
682 | 228 'buttonSets' : ['standardSet', 'specialSet'] |
665 | 229 }, |
230 'embedded' : { | |
231 'imagePath' : 'img/embedded/16/', | |
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232 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
768 | 233 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
682 | 234 'buttonSets' : ['standardSet', 'specialSet'] |
665 | 235 } |
697 | 236 }, |
765 | 237 |
697 | 238 // number of visible button groups |
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239 'visibleButtonSets' : 1, |
616 | 240 // is birdView shown? |
241 'isBirdDivVisible' : false, | |
668 | 242 // dimensions of bird's eye div |
674 | 243 'birdDivWidth' : 200, |
244 'birdDivHeight' : 200, | |
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245 // parameters used by bird's eye div |
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246 'birdDivParams' : ['fn','pn','dw','dh'], |
668 | 247 // style of the zoom area indicator in the bird's eye div |
659 | 248 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, |
668 | 249 // style of zoom area "rubber band" |
250 'zoomrectStyle' : {'border' : '2px solid #ff0000' }, | |
616 | 251 // is the "about" window shown? |
741 | 252 'isAboutDivVisible' : false, |
253 // maximum width of background image for drag-scroll | |
254 'maxBgSize' : 10000 | |
616 | 255 |
610 | 256 }; |
655 | 257 |
608 | 258 // affine geometry classes |
259 var geom = dlGeometry(); | |
655 | 260 |
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261 var FULL_AREA = geom.rectangle(0, 0, 1, 1); |
655 | 262 |
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263 var actions = { |
668 | 264 // init: digilib initialization |
265 init : function(options) { | |
266 // settings for this digilib instance are merged from defaults and options | |
267 var settings = $.extend({}, defaults, options); | |
268 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
269 var queryParams = {}; | |
270 if (isFullscreen) { | |
271 queryParams = parseQueryParams(); | |
272 // check scalerBaseUrl | |
273 if (settings.scalerBaseUrl == null) { | |
274 // try the host this came from | |
275 var h = window.location.host; | |
276 if (window.location.host) { | |
277 var url = window.location.href; | |
278 // assume the page lives in [webapp]/jquery/ | |
279 var pos = url.indexOf('jquery/'); | |
280 if (pos > 0) { | |
281 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
652 | 282 } |
283 } | |
636 | 284 } |
668 | 285 } |
286 return this.each(function() { | |
287 var $elem = $(this); | |
288 var data = $elem.data('digilib'); | |
688 | 289 var params, elemSettings; |
668 | 290 // if the plugin hasn't been initialized yet |
291 if (!data) { | |
292 // merge query parameters | |
293 if (isFullscreen) { | |
688 | 294 params = queryParams; |
668 | 295 } else { |
688 | 296 params = parseImgParams($elem); |
727 | 297 if (jQuery.cookie) { |
298 // retrieve params from cookie | |
299 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
300 var cs = jQuery.cookie(ck); | |
301 console.debug("get cookie=", ck, " value=", cs); | |
302 if (cs) { | |
303 var cp = parseQueryString(cs); | |
728 | 304 // ignore fn and pn from cookie TODO: should we keep pn? |
305 delete cp.fn; | |
306 delete cp.pn; | |
307 jQuery.extend(params, cp); | |
727 | 308 } |
309 } | |
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310 } |
668 | 311 // store $(this) element in the settings |
728 | 312 elemSettings = jQuery.extend({}, settings, params); |
697 | 313 data = { |
668 | 314 $elem : $elem, |
315 settings : elemSettings, | |
688 | 316 queryParams : params |
668 | 317 }; |
318 // store in data element | |
319 $elem.data('digilib', data); | |
320 } | |
321 unpackParams(data); | |
744 | 322 // check if browser knows *background-size |
741 | 323 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
324 if ($elem.css(bs+'background-size')) { | |
325 data.hasBgSize = true; | |
326 data.bgSizeName = bs+'background-size'; | |
327 break; | |
328 } | |
329 } | |
744 | 330 // check digilib base URL |
331 if (elemSettings.digilibBaseUrl == null) { | |
332 if (isFullscreen) { | |
333 // take current host | |
334 var url = window.location.toString(); | |
335 var pos = url.indexOf('?'); | |
336 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
337 } else { | |
338 var url = elemSettings.scalerBaseUrl; | |
339 if (url) { | |
340 // build it from scaler URL | |
341 var bp = url.indexOf('/servlet/Scaler'); | |
765 | 342 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
744 | 343 } |
344 } | |
345 } | |
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346 // get image info from server if needed |
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347 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
767 | 348 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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349 } |
682 | 350 // create HTML structure for scaler |
668 | 351 setupScalerDiv(data); |
697 | 352 // add buttons |
353 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
354 showButtons(data, true, i); | |
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355 } |
765 | 356 highlightButtons(data); |
668 | 357 // bird's eye view creation |
710 | 358 if (elemSettings.isBirdDivVisible) { |
638 | 359 setupBirdDiv(data); |
723 | 360 data.$birdDiv.show(); |
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361 } |
668 | 362 // about window creation - TODO: could be deferred? restrict to only one item? |
363 setupAboutDiv(data); | |
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364 // drag zoom area around in scaler div |
755 | 365 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
668 | 366 }); |
367 }, | |
368 | |
369 // destroy: clean up digilib | |
370 destroy : function(data) { | |
371 return this.each(function(){ | |
372 var $elem = $(this); | |
373 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
374 data.digilib.remove(); | |
375 $elem.removeData('digilib'); | |
376 }); | |
377 }, | |
378 | |
379 // show or hide the 'about' window | |
380 showAboutDiv : function(data, show) { | |
765 | 381 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
382 data.settings.isAboutDivVisible = on; | |
383 highlightButtons(data, 'help', on); | |
668 | 384 }, |
655 | 385 |
668 | 386 // event handler: toggles the visibility of the bird's eye window |
387 showBirdDiv : function (data, show) { | |
726 | 388 var settings = data.settings; |
668 | 389 if (data.$birdDiv == null) { |
390 // no bird div -> create | |
391 setupBirdDiv(data); | |
392 } | |
765 | 393 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
394 settings.isBirdDivVisible = on; | |
395 highlightButtons(data, 'bird', on); | |
726 | 396 updateBirdDiv(data); |
723 | 397 storeOptions(data); |
668 | 398 }, |
399 | |
400 // goto given page nr (+/-: relative) | |
401 gotoPage : function (data, pageNr) { | |
402 var settings = data.settings; | |
403 var oldpn = settings.pn; | |
716 | 404 if (pageNr == null) { |
405 pageNr = window.prompt("Goto page number", oldpn); | |
406 } | |
668 | 407 var pn = setNumValue(settings, "pn", pageNr); |
408 if (pn == null) return false; // nothing happened | |
409 if (pn < 1) { | |
410 alert("no such page (page number too low)"); | |
411 settings.pn = oldpn; | |
412 return false; | |
413 } | |
767 | 414 // TODO: how do we get pt? |
668 | 415 if (settings.pt) { |
416 if (pn > settings.pt) { | |
417 alert("no such page (page number too high)"); | |
623 | 418 settings.pn = oldpn; |
419 return false; | |
634 | 420 } |
668 | 421 } |
422 // reset mk and others(?) | |
423 data.marks = []; | |
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424 data.zoomArea = FULL_AREA; |
668 | 425 // then reload |
426 redisplay(data); | |
427 }, | |
654 | 428 |
668 | 429 // zoom by a given factor |
430 zoomBy : function (data, factor) { | |
431 zoomBy(data, factor); | |
432 }, | |
647 | 433 |
767 | 434 // zoom to area (or interactive) |
435 zoomArea : function (data, area) { | |
436 var settings = data.settings; | |
437 if (area == null) { | |
438 // interactively | |
439 zoomArea(data); | |
440 } else { | |
441 data.zoomArea = geom.rectangle(area); | |
442 redisplay(data); | |
443 } | |
668 | 444 }, |
650 | 445 |
668 | 446 // zoom out to full page |
447 zoomFull : function (data, mode) { | |
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448 data.zoomArea = FULL_AREA; |
668 | 449 if (mode === 'width') { |
450 data.dlOpts.fitwidth = 1; | |
451 delete data.dlOpts.fitheight; | |
452 } else if (mode === 'height') { | |
453 data.dlOpts.fitheight = 1; | |
454 delete data.dlOpts.fitwidth; | |
455 } else { | |
456 delete data.dlOpts.fitwidth; | |
457 delete data.dlOpts.fitheight; | |
458 } | |
459 redisplay(data); | |
460 }, | |
461 | |
462 // set a mark by clicking (or giving a position) | |
463 setMark : function (data, mpos) { | |
464 if (mpos == null) { | |
465 // interactive | |
466 setMark(data); | |
467 } else { | |
468 // use position | |
469 data.marks.push(pos); | |
663 | 470 redisplay(data); |
604 | 471 } |
668 | 472 }, |
473 | |
474 // remove the last mark | |
475 removeMark : function (data) { | |
476 data.marks.pop(); | |
477 redisplay(data); | |
478 }, | |
479 | |
480 // mirror the image | |
481 mirror : function (data, mode) { | |
482 var flags = data.scalerFlags; | |
483 if (mode === 'h') { | |
484 if (flags.hmir) { | |
485 delete flags.hmir; | |
486 } else { | |
487 flags.hmir = 1; | |
488 } | |
489 } else { | |
490 if (flags.vmir) { | |
491 delete flags.vmir; | |
492 } else { | |
493 flags.vmir = 1; | |
494 } | |
495 } | |
496 redisplay(data); | |
497 }, | |
650 | 498 |
668 | 499 // rotate the image |
500 rotate : function (data, angle) { | |
501 var rot = data.settings.rot; | |
502 if (angle == null) { | |
503 angle = window.prompt("Rotation angle:", rot); | |
504 } | |
505 data.settings.rot = angle; | |
506 redisplay(data); | |
507 }, | |
508 | |
509 // change brightness | |
510 brightness : function (data, factor) { | |
511 var brgt = data.settings.brgt; | |
512 if (factor == null) { | |
513 factor = window.prompt("Brightness (-255..255)", brgt); | |
514 } | |
515 data.settings.brgt = factor; | |
516 redisplay(data); | |
517 }, | |
518 | |
519 // change contrast | |
520 contrast : function (data, factor) { | |
521 var cont = data.settings.cont; | |
522 if (factor == null) { | |
523 factor = window.prompt("Contrast (-8, 8)", cont); | |
524 } | |
525 data.settings.cont = factor; | |
526 redisplay(data); | |
688 | 527 }, |
710 | 528 |
690 | 529 // display more (or less) button sets |
748 | 530 moreButtons : function (data, more) { |
696 | 531 var settings = data.settings; |
699 | 532 if (more == null) { |
703 | 533 // toggle more or less (only works for 2 sets) |
699 | 534 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
535 if (settings.visibleButtonSets >= maxbtns) { | |
536 more = '-1'; | |
537 } else { | |
538 more = '+1'; | |
539 } | |
540 } | |
690 | 541 if (more === '-1') { |
542 // remove set | |
697 | 543 var setIdx = settings.visibleButtonSets - 1; |
544 if (showButtons(data, false, setIdx, true)) { | |
545 settings.visibleButtonSets--; | |
546 } | |
690 | 547 } else { |
548 // add set | |
697 | 549 var setIdx = settings.visibleButtonSets; |
550 if (showButtons(data, true, setIdx, true)) { | |
551 settings.visibleButtonSets++; | |
690 | 552 } |
553 } | |
723 | 554 // persist setting |
555 storeOptions(data); | |
691 | 556 }, |
688 | 557 |
703 | 558 // reset image parameters to defaults |
688 | 559 reset : function (data) { |
560 var settings = data.settings; | |
561 var paramNames = settings.digilibParamNames; | |
562 var params = data.queryParams; | |
563 // delete all digilib parameters | |
564 for (var i = 0; i < paramNames.length; i++) { | |
565 var paramName = paramNames[i]; | |
566 delete settings[paramName]; | |
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567 } |
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568 settings.fn = params.fn || ''; // no default defined |
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569 settings.pn = params.pn || defaults.pn; |
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570 settings.dw = params.dw; |
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571 settings.dh = params.dh; |
709 | 572 settings.isBirdDivVisible = false; |
573 settings.visibleButtonSets = 1; | |
735
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574 // resets zoomArea, marks, scalerflags |
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575 data.zoomArea = FULL_AREA; |
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576 data.marks = []; |
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577 data.scalerFlags = {}; |
712 | 578 delete data.dlOpts.fitwidth; |
579 delete data.dlOpts.fitheight; | |
688 | 580 redisplay(data); |
689 | 581 }, |
582 | |
703 | 583 // presents a reference url (returns value if noprompt) |
584 reference : function (data, noprompt) { | |
689 | 585 var settings = data.settings; |
744 | 586 var url = getDigilibUrl(data); |
703 | 587 if (noprompt == null) { |
588 window.prompt("URL reference to the current view", url); | |
589 } | |
590 return url; | |
591 }, | |
710 | 592 |
703 | 593 // set image quality |
748 | 594 setQuality : function (data, qual) { |
703 | 595 var oldq = getQuality(data); |
596 if (qual == null) { | |
597 qual = window.prompt("Image quality (0..2)", oldq); | |
598 } | |
599 qual = parseInt(qual, 10); | |
600 if (qual >= 0 && qual <= 2) { | |
601 setQuality(data, qual); | |
602 redisplay(data); | |
603 } | |
754
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604 }, |
760
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605 |
754
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606 // calibrate (only faking) |
772
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607 calibrate : function (data, res) { |
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608 var oldRes = data.settings.ddpi; |
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609 if (res == null) { |
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610 res = window.prompt("Display resolution (dpi)", oldRes); |
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611 } |
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612 if (res != null) { |
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613 data.settings.ddpi = res; |
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|
614 redisplay(data); |
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|
615 } |
760
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616 }, |
761
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added setScaleMode. no compensation for change in scaling yet.
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617 |
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618 // set image scale mode |
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619 setScaleMode : function (data, mode) { |
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620 var oldM = getScaleMode(data); |
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621 if (mode == null) { |
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622 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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623 } |
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|
624 if (mode != null) { |
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625 setScaleMode(data, mode); |
763
31664707999e
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626 data.scaleMode = mode; |
761
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|
627 redisplay(data); |
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|
628 } |
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|
629 } |
763
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|
630 |
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631 // end of actions |
605 | 632 }; |
604 | 633 |
608 | 634 // returns parameters from page url |
607 | 635 var parseQueryParams = function() { |
636 | 636 return parseQueryString(window.location.search.slice(1)); |
637 }; | |
655 | 638 |
636 | 639 // returns parameters from embedded img-element |
607 | 640 var parseImgParams = function($elem) { |
613
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641 var src = $elem.find('img').first().attr('src'); |
710 | 642 if (!src) return null; |
607 | 643 var pos = src.indexOf('?'); |
644 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
645 var scalerUrl = src.substring(0, pos); | |
627 | 646 var params = parseQueryString(query); |
647 params.scalerBaseUrl = scalerUrl; | |
648 return params; | |
636 | 649 }; |
607 | 650 |
608 | 651 // parses query parameter string into parameter object |
607 | 652 var parseQueryString = function(query) { |
701 | 653 var params = {}; |
654 if (query == null) return params; | |
607 | 655 var pairs = query.split("&"); |
636 | 656 //var keys = []; |
607 | 657 for (var i = 0; i < pairs.length; i++) { |
658 var pair = pairs[i].split("="); | |
659 if (pair.length === 2) { | |
627 | 660 params[pair[0]] = pair[1]; |
636 | 661 //keys.push(pair[0]); |
634 | 662 } |
636 | 663 } |
627 | 664 return params; |
636 | 665 }; |
668 | 666 |
643 | 667 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
668 var getParamString = function (settings, keys, defaults) { | |
615 | 669 var paramString = ''; |
650 | 670 var nx = false; |
615 | 671 for (i = 0; i < keys.length; ++i) { |
672 var key = keys[i]; | |
663 | 673 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
615 | 674 // first param gets no '&' |
650 | 675 if (nx) { |
676 paramString += '&'; | |
677 } else { | |
678 nx = true; | |
679 } | |
615 | 680 // add parm=val |
681 paramString += key + '=' + settings[key]; | |
643 | 682 } |
615 | 683 } |
684 return paramString; | |
631 | 685 }; |
686 | |
636 | 687 // returns URL and query string for Scaler |
688 var getScalerUrl = function (data) { | |
741 | 689 packParams(data); |
653 | 690 var settings = data.settings; |
652 | 691 if (settings.scalerBaseUrl == null) { |
692 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
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693 } |
636 | 694 var keys = settings.scalerParamNames; |
643 | 695 var queryString = getParamString(settings, keys, defaults); |
636 | 696 var url = settings.scalerBaseUrl + '?' + queryString; |
697 return url; | |
698 }; | |
699 | |
741 | 700 // returns URL for bird's eye view image |
743 | 701 var getBirdImgUrl = function (data, moreParams) { |
741 | 702 var settings = data.settings; |
703 var birdDivOptions = { | |
704 dw : settings.birdDivWidth, | |
705 dh : settings.birdDivHeight | |
706 }; | |
743 | 707 var birdSettings = jQuery.extend({}, settings, birdDivOptions); |
741 | 708 // use only the relevant parameters |
743 | 709 if (moreParams == null) { |
710 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
711 } else { | |
767 | 712 // filter scaler flags |
713 if (birdSettings.mo != null) { | |
714 var mo = ''; | |
715 if (data.scalerFlags.hmir != null) { | |
716 mo += 'hmir,'; | |
717 } | |
718 if (data.scalerFlags.vmir != null) { | |
719 mo += 'vmir'; | |
720 } | |
721 birdSettings.mo = mo; | |
722 } | |
743 | 723 var params = getParamString(birdSettings, |
724 settings.birdDivParams.concat(moreParams), defaults); | |
725 } | |
726 var url = settings.scalerBaseUrl + '?' + params; | |
741 | 727 return url; |
728 }; | |
745
ad483c008159
move birdview zoom indicator along with zoom drag
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diff
changeset
|
729 |
636 | 730 // returns URL and query string for current digilib |
644
ee8ccd84c5f8
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diff
changeset
|
731 var getDigilibUrl = function (data) { |
643 | 732 packParams(data); |
636 | 733 var settings = data.settings; |
644
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734 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
744 | 735 return settings.digilibBaseUrl + '?' + queryString; |
636 | 736 }; |
737 | |
767 | 738 // loads image information from digilib server via HTTP (and calls complete-fn) |
739 var loadImageInfo = function (data, complete) { | |
754
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changeset
|
740 var settings = data.settings; |
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diff
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|
741 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
742 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
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reading image info asynchronously works now. has just no use yet.
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diff
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|
743 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
767 | 744 // TODO: better error handling |
754
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robcast
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diff
changeset
|
745 jQuery.getJSON(url, function (json) { |
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
746 console.debug("got json data=", json); |
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reading image info asynchronously works now. has just no use yet.
robcast
parents:
751
diff
changeset
|
747 data.imgInfo = json; |
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reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
748 if (complete != null) { |
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
749 complete.call(this, data, json); |
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
750 } |
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
751 }); |
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robcast
parents:
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diff
changeset
|
752 }; |
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reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
753 |
655 | 754 // processes some parameters into objects and stuff |
631 | 755 var unpackParams = function (data) { |
756 var settings = data.settings; | |
636 | 757 // zoom area |
631 | 758 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
643 | 759 data.zoomArea = zoomArea; |
636 | 760 // marks |
631 | 761 var marks = []; |
650 | 762 if (settings.mk) { |
763 var mk = settings.mk; | |
764 if (mk.indexOf(";") >= 0) { | |
765 var pa = mk.split(";"); // old format with ";" | |
766 } else { | |
767 var pa = mk.split(","); // new format | |
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768 } |
650 | 769 for (var i = 0; i < pa.length ; i++) { |
770 var pos = pa[i].split("/"); | |
771 if (pos.length > 1) { | |
772 marks.push(geom.position(pos[0], pos[1])); | |
713
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|
773 } |
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|
774 } |
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|
775 } |
643 | 776 data.marks = marks; |
650 | 777 // mo (Scaler flags) |
778 var flags = {}; | |
779 if (settings.mo) { | |
780 var pa = settings.mo.split(","); | |
781 for (var i = 0; i < pa.length ; i++) { | |
782 flags[pa[i]] = pa[i]; | |
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783 } |
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robcast
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diff
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|
784 } |
650 | 785 data.scalerFlags = flags; |
763
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pixel-by-pixel scale mode works with zoom area. (not in all cases)
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|
786 data.scaleMode = getScaleMode(data); |
723 | 787 retrieveOptions(data); |
655 | 788 }; |
789 | |
631 | 790 // put objects back into parameters |
791 var packParams = function (data) { | |
792 var settings = data.settings; | |
636 | 793 // zoom area |
643 | 794 if (data.zoomArea) { |
647 | 795 settings.wx = cropFloat(data.zoomArea.x); |
796 settings.wy = cropFloat(data.zoomArea.y); | |
797 settings.ww = cropFloat(data.zoomArea.width); | |
798 settings.wh = cropFloat(data.zoomArea.height); | |
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799 } |
636 | 800 // marks |
643 | 801 if (data.marks) { |
650 | 802 settings.mk = ''; |
643 | 803 for (var i = 0; i < data.marks.length; i++) { |
650 | 804 if (i) { |
805 settings.mk += ','; | |
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|
806 } |
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|
807 settings.mk += cropFloat(data.marks[i].x).toString() + |
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|
808 '/' + cropFloat(data.marks[i].y).toString(); |
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809 } |
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|
810 } |
650 | 811 // Scaler flags |
812 if (data.scalerFlags) { | |
813 var mo = ''; | |
814 for (var f in data.scalerFlags) { | |
815 if (mo) { | |
816 mo += ','; | |
817 } | |
818 mo += f; | |
819 } | |
820 settings.mo = mo; | |
821 } | |
710 | 822 // user interface options |
723 | 823 storeOptions(data); |
709 | 824 }; |
688 | 825 |
723 | 826 var storeOptions = function (data) { |
701 | 827 // save digilib options in cookie |
709 | 828 var settings = data.settings; |
829 if (data.dlOpts) { | |
830 // save digilib settings in options | |
831 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
832 data.dlOpts.buttons = settings.visibleButtonSets; | |
833 var clop = ''; | |
834 for (var o in data.dlOpts) { | |
835 if (clop) { | |
836 clop += '&'; | |
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837 } |
709 | 838 clop += o + '=' + data.dlOpts[o]; |
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839 } |
709 | 840 if (jQuery.cookie) { |
841 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
842 console.debug("set cookie=", ck, " value=", clop); | |
843 jQuery.cookie(ck, clop); | |
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844 } |
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845 } |
727 | 846 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
847 // store normal parameters in cookie for embedded mode | |
848 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
849 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
850 console.debug("set cookie=", ck, " value=", qs); | |
851 jQuery.cookie(ck, qs); | |
852 } | |
631 | 853 }; |
655 | 854 |
723 | 855 var retrieveOptions = function (data) { |
709 | 856 // clop (digilib options) |
857 var opts = {}; | |
858 var settings = data.settings; | |
859 if (jQuery.cookie) { | |
860 // read from cookie | |
861 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
862 var cp = jQuery.cookie(ck); | |
863 console.debug("get cookie=", ck, " value=", cp); | |
864 // in query string format | |
865 opts = parseQueryString(cp); | |
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866 } |
709 | 867 data.dlOpts = opts; |
868 // birdview option | |
869 if (opts.birdview != null) { | |
870 settings.isBirdDivVisible = opts.birdview === '1'; | |
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871 } |
709 | 872 // visible button sets |
873 if (opts.buttons != null) { | |
874 settings.visibleButtonSets = opts.buttons; | |
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875 } |
711 | 876 }; |
709 | 877 |
622 | 878 // (re)load the img from a new scaler URL |
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879 var redisplay = function (data) { |
636 | 880 var settings = data.settings; |
881 if (settings.interactionMode === 'fullscreen') { | |
882 // update location.href (browser URL) in fullscreen mode | |
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883 var url = getDigilibUrl(data); |
636 | 884 var history = window.history; |
885 if (typeof(history.pushState) === 'function') { | |
886 console.debug("we could modify history, but we don't..."); | |
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887 } |
636 | 888 window.location = url; |
889 } else { | |
890 // embedded mode -- just change img src | |
891 var url = getScalerUrl(data); | |
892 data.$img.attr('src', url); | |
726 | 893 // redisplay bird img |
894 updateBirdDiv(data); | |
765 | 895 highlightButtons(data); |
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896 } |
622 | 897 }; |
898 | |
767 | 899 // update display (overlays etc.) |
900 var updateDisplay = function (data) { | |
901 updateImgTrafo(data); | |
902 renderMarks(data); | |
903 setupZoomDrag(data); | |
904 if (data.settings.isBirdDivVisible) { | |
905 renderBirdArea(data); | |
906 setupBirdDrag(data); | |
907 } | |
908 // TODO: update event subscriber? | |
909 }; | |
910 | |
662 | 911 // returns maximum size for scaler img in fullscreen mode |
767 | 912 var getFullscreenImgSize = function ($elem) { |
662 | 913 var $win = $(window); |
914 var winH = $win.height(); | |
915 var winW = $win.width(); | |
916 // TODO: account for borders? | |
917 return geom.size(winW, winH); | |
918 }; | |
919 | |
608 | 920 // creates HTML structure for digilib in elem |
627 | 921 var setupScalerDiv = function (data) { |
922 var settings = data.settings; | |
647 | 923 var $elem = data.$elem; |
725 | 924 $elem.addClass('digilib'); |
728 | 925 var $img; |
926 var scalerUrl; | |
608 | 927 if (settings.interactionMode === 'fullscreen') { |
728 | 928 // fullscreen |
725 | 929 $elem.addClass('dl_fullscreen'); |
609 | 930 var imgSize = getFullscreenImgSize($elem); |
650 | 931 // fitwidth/height omits destination height/width |
728 | 932 if (data.dlOpts.fitheight == null) { |
650 | 933 settings.dw = imgSize.width; |
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934 } |
728 | 935 if (data.dlOpts.fitwidth == null) { |
650 | 936 settings.dh = imgSize.height; |
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937 } |
686 | 938 scalerUrl = getScalerUrl(data); |
728 | 939 $img = $('<img/>'); |
609 | 940 } else { |
728 | 941 // embedded mode -- try to keep img tag |
725 | 942 $elem.addClass('dl_embedded'); |
728 | 943 scalerUrl = getScalerUrl(data); |
623 | 944 $img = $elem.find('img'); |
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945 if ($img.length > 0) { |
728 | 946 oldUrl = $img.attr('src'); |
947 if (oldUrl === scalerUrl) { | |
948 console.debug("img detach:", $img); | |
949 $img.detach(); | |
950 } else { | |
951 $img = $('<img/>'); | |
952 } | |
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953 } else { |
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954 $img = $('<img/>'); |
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955 } |
608 | 956 } |
613
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957 // create new html |
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958 $elem.empty(); // TODO: should we keep stuff for customization? |
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959 var $scaler = $('<div class="scaler"/>'); |
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960 $elem.append($scaler); |
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961 $scaler.append($img); |
622 | 962 $img.addClass('pic'); |
649 | 963 data.$scaler = $scaler; |
636 | 964 data.$img = $img; |
687 | 965 // setup image load handler before setting the src attribute (IE bug) |
966 $img.load(scalerImgLoadedHandler(data)); | |
767 | 967 $img.error(function () {console.error("error loading scaler image");}); |
687 | 968 $img.attr('src', scalerUrl); |
608 | 969 }; |
615 | 970 |
610 | 971 // creates HTML structure for buttons in elem |
697 | 972 var createButtons = function (data, buttonSetIdx) { |
647 | 973 var $elem = data.$elem; |
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974 var settings = data.settings; |
665 | 975 var mode = settings.interactionMode; |
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976 var buttonSettings = settings.buttonSettings[mode]; |
682 | 977 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
690 | 978 if (buttonGroup == null) { |
979 // no buttons here | |
980 return; | |
981 } | |
982 var $buttonsDiv = $('<div class="buttons"/>'); | |
682 | 983 var buttonNames = buttonSettings[buttonGroup]; |
984 for (var i = 0; i < buttonNames.length; i++) { | |
985 var buttonName = buttonNames[i]; | |
986 var buttonConfig = settings.buttons[buttonName]; | |
665 | 987 // construct the button html |
988 var $button = $('<div class="button"></div>'); | |
989 var $a = $('<a/>'); | |
990 var $img = $('<img class="button"/>'); | |
991 $buttonsDiv.append($button); | |
992 $button.append($a); | |
993 $a.append($img); | |
994 // add attributes and bindings | |
995 $button.attr('title', buttonConfig.tooltip); | |
682 | 996 $button.addClass('button-' + buttonName); |
665 | 997 // create handler for the buttons |
998 $a.bind('click.digilib', (function () { | |
999 // we create a new closure to capture the value of action | |
1000 var action = buttonConfig.onclick; | |
1001 if ($.isArray(action)) { | |
1002 // the handler function calls digilib with action and parameters | |
1003 return function (evt) { | |
1004 console.debug('click action=', action, ' evt=', evt); | |
1005 $elem.digilib.apply($elem, action); | |
1006 return false; | |
1007 }; | |
1008 } else { | |
1009 // the handler function calls digilib with action | |
1010 return function (evt) { | |
1011 console.debug('click action=', action, ' evt=', evt); | |
1012 $elem.digilib(action); | |
1013 return false; | |
1014 }; | |
1015 } | |
1016 })()); | |
765 | 1017 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
690 | 1018 } |
662 | 1019 // make buttons div scroll if too large for window |
1020 if ($buttonsDiv.height() > $(window).height() - 10) { | |
1021 $buttonsDiv.css('position', 'absolute'); | |
1022 } | |
697 | 1023 // buttons hidden at first |
1024 $buttonsDiv.hide(); | |
1025 $elem.append($buttonsDiv); | |
682 | 1026 if (data.$buttonSets == null) { |
697 | 1027 // first button set |
682 | 1028 data.$buttonSets = [$buttonsDiv]; |
1029 } else { | |
690 | 1030 $elem.append($buttonsDiv); |
682 | 1031 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
1032 } | |
612 | 1033 return $buttonsDiv; |
610 | 1034 }; |
615 | 1035 |
1036 // creates HTML structure for the bird's eye view in elem | |
638 | 1037 var setupBirdDiv = function (data) { |
647 | 1038 var $elem = data.$elem; |
615 | 1039 // the bird's eye div |
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1040 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
615 | 1041 // the detail indicator frame |
726 | 1042 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
615 | 1043 // the small image |
1044 var $birdImg = $('<img class="birdimg"/>'); | |
723 | 1045 data.$birdDiv = $birdDiv; |
1046 data.$birdZoom = $birdZoom; | |
1047 data.$birdImg = $birdImg; | |
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1048 $elem.append($birdDiv); |
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1049 $birdDiv.append($birdZoom); |
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1050 $birdDiv.append($birdImg); |
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1051 $birdZoom.css(data.settings.birdIndicatorStyle); |
723 | 1052 var birdUrl = getBirdImgUrl(data); |
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1053 $birdImg.load(birdImgLoadedHandler(data)); |
767 | 1054 $birdImg.error(function () {console.error("error loading birdview image");}); |
723 | 1055 $birdImg.attr('src', birdUrl); |
1056 }; | |
1057 | |
1058 // update bird's eye view | |
1059 var updateBirdDiv = function (data) { | |
1060 if (!data.settings.isBirdDivVisible) return; | |
1061 var $birdImg = data.$birdImg; | |
1062 var oldsrc = $birdImg.attr('src'); | |
1063 var newsrc = getBirdImgUrl(data); | |
1064 if (oldsrc !== newsrc) { | |
1065 $birdImg.attr('src', newsrc); | |
1066 // onload handler re-renders | |
1067 } else { | |
1068 // re-render | |
1069 renderBirdArea(data); | |
730 | 1070 // enable click and drag |
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1071 setupBirdDrag(data); |
723 | 1072 } |
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1073 }; |
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1074 |
625 | 1075 // creates HTML structure for the about view in elem |
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1076 var setupAboutDiv = function (data) { |
647 | 1077 var $elem = data.$elem; |
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1078 var settings = data.settings; |
625 | 1079 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
616 | 1080 var $header = $('<p>Digilib Graphic Viewer</p>'); |
1081 var $link = $('<a/>'); | |
1082 var $logo = $('<img class="logo" title="digilib"/>'); | |
1083 var $content = $('<p/>'); | |
1084 $elem.append($aboutDiv); | |
1085 $aboutDiv.append($header); | |
1086 $aboutDiv.append($link); | |
1087 $aboutDiv.append($content); | |
1088 $link.append($logo); | |
1089 $logo.attr('src', settings.logoUrl); | |
635 | 1090 $link.attr('href', settings.homeUrl); |
616 | 1091 $content.text('Version: ' + settings.version); |
635 | 1092 // click hides |
649 | 1093 $aboutDiv.bind('click.digilib', function () { |
646 | 1094 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
649 | 1095 return false; |
710 | 1096 }); |
635 | 1097 data.$aboutDiv = $aboutDiv; |
634 | 1098 }; |
1099 | |
635 | 1100 // shows some window e.g. 'about' (toggle visibility if show is null) |
1101 var showDiv = function (isVisible, $div, show) { | |
645 | 1102 if (show == null) { |
635 | 1103 // toggle visibility |
1104 isVisible = !isVisible; | |
1105 } else { | |
1106 // set visibility | |
1107 isVisible = show; | |
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1108 } |
635 | 1109 if (isVisible) { |
1110 $div.fadeIn(); | |
1111 } else { | |
1112 $div.fadeOut(); | |
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1113 } |
635 | 1114 return isVisible; |
634 | 1115 }; |
616 | 1116 |
697 | 1117 // display more (or less) button sets |
1118 var showButtons = function (data, more, setIdx, animated) { | |
711 | 1119 var atime = animated ? 'fast': 0; |
697 | 1120 if (more) { |
1121 // add set | |
1122 var $otherSets = data.$elem.find('div.buttons:visible'); | |
1123 var $set; | |
1124 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
1125 // set exists | |
1126 $set = data.$buttonSets[setIdx]; | |
1127 } else { | |
1128 $set = createButtons(data, setIdx); | |
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1129 } |
697 | 1130 if ($set == null) return false; |
765 | 1131 // include border in calculation |
1132 var btnWidth = $set.outerWidth(); | |
697 | 1133 // move remaining sets left and show new set |
711 | 1134 if ($otherSets.length > 0) { |
1135 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
1136 function () {$set.show();}); | |
697 | 1137 } else { |
1138 $set.show(); | |
711 | 1139 } |
697 | 1140 } else { |
1141 // remove set | |
1142 var $set = data.$buttonSets[setIdx]; | |
1143 if ($set == null) return false; | |
1144 var btnWidth = $set.width(); | |
1145 // hide last set | |
1146 $set.hide(); | |
1147 // take remaining sets and move right | |
1148 var $otherSets = data.$elem.find('div.buttons:visible'); | |
711 | 1149 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
1150 } | |
697 | 1151 return true; |
1152 }; | |
1153 | |
765 | 1154 // check for buttons to highlight |
1155 var highlightButtons = function (data, name, on) { | |
1156 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
1157 // add a class for highlighted button | |
1158 var highlight = function (name, on) { | |
1159 var $button = $buttons.find('div.button-' + name); | |
1160 if (on) { | |
1161 $button.addClass('button-on'); | |
1162 } else { | |
1163 $button.removeClass('button-on'); | |
1164 } | |
1165 }; | |
1166 if (name != null) { | |
1167 return highlight(name, on); | |
1168 } | |
1169 var flags = data.scalerFlags; | |
1170 var settings = data.settings; | |
1171 highlight('rot', settings.rot); | |
1172 highlight('brgt', settings.brgt); | |
1173 highlight('cont', settings.cont); | |
1174 highlight('bird', settings.isBirdDivVisible); | |
1175 highlight('help', settings.isAboutDivVisible); | |
1176 highlight('hmir', flags.hmir); | |
1177 highlight('vmir', flags.vmir); | |
766 | 1178 highlight('quality', flags.q1 || flags.q2); |
765 | 1179 highlight('zoomin', ! isFullArea(data.zoomArea)); |
1180 }; | |
1181 | |
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1182 // create Transform from area and $img |
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1183 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
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1184 var picrect = geom.rectangle($img); |
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1185 if (mode != null) { |
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1186 var imgInfo = data.imgInfo; |
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1187 if (mode === 'pixel') { |
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1188 // scaler mo=clip - image area size does not come from ww, wh |
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1189 if (imgInfo != null) { |
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1190 area.width = picrect.width / imgInfo.width; |
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1191 area.height = picrect.height / imgInfo.height; |
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1192 } else { |
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1193 console.error("No image info for pixel mode!"); |
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1194 } |
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1195 } |
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1196 if (mode === 'size') { |
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1197 // scaler mo=osize - image area size does not come from ww, wh |
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1198 if (imgInfo != null) { |
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1199 var ddpi = parseFloat(data.settings.ddpi); |
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1200 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
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1201 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
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1202 } else { |
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1203 console.error("No image info for original size mode!"); |
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original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1204 } |
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
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diff
changeset
|
1205 } |
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1206 } |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1207 var trafo = geom.transform(); |
675 | 1208 // move zoom area offset to center |
658
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split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1209 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
675 | 1210 // scale zoom area size to [1,1] |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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parents:
656
diff
changeset
|
1211 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
675 | 1212 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
1213 if (rot || hmir || vmir) { | |
1214 // move [0.5,0.5] to center | |
1215 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
1216 if (hmir) { | |
1217 // mirror about center | |
1218 trafo.concat(trafo.getMirror('y')); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
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parents:
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diff
changeset
|
1219 } |
675 | 1220 if (vmir) { |
1221 // mirror about center | |
1222 trafo.concat(trafo.getMirror('x')); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1223 } |
675 | 1224 if (rot) { |
1225 // rotate around center | |
1226 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1227 } |
675 | 1228 // move back |
1229 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1230 } |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
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663
diff
changeset
|
1231 // scale to screen position and size |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1232 trafo.concat(trafo.getScale(picrect)); |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1233 trafo.concat(trafo.getTranslation(picrect)); |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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changeset
|
1234 return trafo; |
655 | 1235 }; |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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changeset
|
1236 |
767 | 1237 // update scaler image transform |
1238 var updateImgTrafo = function (data) { | |
1239 var $img = data.$img; | |
1240 if ($img != null && $img.get(0).complete) { | |
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
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diff
changeset
|
1241 // create Transform from current zoomArea and image size |
675 | 1242 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
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diff
changeset
|
1243 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
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769
diff
changeset
|
1244 data.scaleMode, data); |
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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diff
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|
1245 // console.debug("imgTrafo=", data.imgTrafo); |
767 | 1246 } |
1247 }; | |
1248 | |
1249 // returns function for load event of scaler img | |
1250 var scalerImgLoadedHandler = function (data) { | |
1251 return function () { | |
1252 var $img = $(this); | |
1253 console.debug("scaler img loaded=",$img); | |
1254 var $scaler = data.$scaler; | |
760
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primitive plugin extension mechanism - unsure how useful this is
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diff
changeset
|
1255 var imgRect = geom.rectangle($img); |
733 | 1256 // adjust scaler div size |
738 | 1257 imgRect.adjustDiv($scaler); |
715 | 1258 // show image in case it was hidden (for example in zoomDrag) |
733 | 1259 $img.css('visibility', 'visible'); |
741 | 1260 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
767 | 1261 // update display (render marks, etc.) |
1262 updateDisplay(data); | |
658
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split bird's view code in two more parts, analog to scaler-img code.
robcast
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diff
changeset
|
1263 }; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1264 }; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
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diff
changeset
|
1265 |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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changeset
|
1266 // returns function for load event of bird's eye view img |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1267 var birdImgLoadedHandler = function (data) { |
9ddcf0070122
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diff
changeset
|
1268 return function () { |
755 | 1269 var $birdImg = $(this); |
1270 var birdRect = geom.rectangle($birdImg); | |
1271 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
1272 if (birdRect.width === 0) { | |
1273 // malheureusement IE7 calls load handler when there is no size info yet | |
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
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760
diff
changeset
|
1274 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
755 | 1275 } |
767 | 1276 // update display (zoom area indicator) |
1277 updateDisplay(data); | |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
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diff
changeset
|
1278 }; |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
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diff
changeset
|
1279 }; |
633 | 1280 |
1281 // place marks on the image | |
1282 var renderMarks = function (data) { | |
767 | 1283 if (data.$img == null || data.imgTrafo == null) return; |
1284 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
647 | 1285 var $elem = data.$elem; |
643 | 1286 var marks = data.marks; |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1287 // clear marks |
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
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741
diff
changeset
|
1288 $elem.find('div.mark').remove(); |
633 | 1289 for (var i = 0; i < marks.length; i++) { |
1290 var mark = marks[i]; | |
643 | 1291 if (data.zoomArea.containsPosition(mark)) { |
633 | 1292 var mpos = data.imgTrafo.transform(mark); |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
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diff
changeset
|
1293 console.debug("renderMarks: mpos=",mpos); |
633 | 1294 // create mark |
1295 var html = '<div class="mark">'+(i+1)+'</div>'; | |
1296 var $mark = $(html); | |
1297 $elem.append($mark); | |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1298 mpos.adjustDiv($mark); |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1299 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
1300 } |
633 | 1301 }; |
655 | 1302 |
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1303 // show zoom area indicator on bird's eye view |
723 | 1304 var renderBirdArea = function (data) { |
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
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769
diff
changeset
|
1305 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
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diff
changeset
|
1306 var $birdZoom = data.$birdZoom; |
659 | 1307 var zoomArea = data.zoomArea; |
723 | 1308 var normalSize = isFullArea(zoomArea); |
1309 if (normalSize) { | |
1310 $birdZoom.hide(); | |
1311 return; | |
1312 } else { | |
1313 $birdZoom.show(); | |
1314 } | |
755 | 1315 // create Transform from current area and picsize |
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1316 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
738 | 1317 var zoomRect = data.birdTrafo.transform(zoomArea); |
755 | 1318 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
741 | 1319 // acount for border width |
1320 zoomRect.addPosition({x : -2, y : -2}); | |
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
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669
diff
changeset
|
1321 if (data.settings.interactionMode === 'fullscreen') { |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
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669
diff
changeset
|
1322 // no animation for fullscreen |
738 | 1323 zoomRect.adjustDiv($birdZoom); |
723 | 1324 } else { |
1325 // nice animation for embedded mode :-) | |
741 | 1326 // correct offsetParent because animate doesn't use offset |
726 | 1327 var ppos = $birdZoom.offsetParent().offset(); |
738 | 1328 var dest = { |
755 | 1329 left : (zoomRect.x - ppos.left) + 'px', |
1330 top : (zoomRect.y - ppos.top) + 'px', | |
1331 width : zoomRect.width, | |
1332 height : zoomRect.height | |
1333 }; | |
738 | 1334 $birdZoom.animate(dest); |
723 | 1335 } |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
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663
diff
changeset
|
1336 }; |
659 | 1337 |
647 | 1338 // zooms by the given factor |
643 | 1339 var zoomBy = function(data, factor) { |
1340 var area = data.zoomArea; | |
1341 var newarea = area.copy(); | |
1342 // scale | |
1343 newarea.width /= factor; | |
1344 newarea.height /= factor; | |
1345 // and recenter | |
1346 newarea.x -= 0.5 * (newarea.width - area.width); | |
1347 newarea.y -= 0.5 * (newarea.height - area.height); | |
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1348 newarea = FULL_AREA.fit(newarea); |
643 | 1349 data.zoomArea = newarea; |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1350 redisplay(data); |
643 | 1351 }; |
1352 | |
647 | 1353 // add a mark where clicked |
1354 var setMark = function (data) { | |
649 | 1355 var $scaler = data.$scaler; |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1356 // unbind other handler |
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1357 $scaler.unbind(".dlZoomDrag"); |
647 | 1358 // start event capturing |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1359 $scaler.one('mousedown.dlSetMark', function (evt) { |
647 | 1360 // event handler adding a new mark |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1361 console.log("setmark at=", evt); |
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1362 var mpos = geom.position(evt); |
647 | 1363 var pos = data.imgTrafo.invtransform(mpos); |
1364 data.marks.push(pos); | |
1365 redisplay(data); | |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1366 return false; |
647 | 1367 }); |
1368 }; | |
668 | 1369 |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1370 // zoom to the area around two clicked points |
654 | 1371 var zoomArea = function(data) { |
1372 $elem = data.$elem; | |
1373 $scaler = data.$scaler; | |
1374 var pt1, pt2; | |
1375 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
1376 $elem.append($zoomDiv); | |
668 | 1377 $zoomDiv.css(data.settings.zoomrectStyle); |
654 | 1378 var picRect = geom.rectangle($scaler); |
1379 // FIX ME: is there a way to query the border width from CSS info? | |
1380 // rect.x -= 2; // account for overlay borders | |
1381 // rect.y -= 2; | |
1382 | |
1383 var zoomStart = function (evt) { | |
1384 pt1 = geom.position(evt); | |
1385 // setup and show zoom div | |
738 | 1386 pt1.adjustDiv($zoomDiv); |
668 | 1387 $zoomDiv.width(0).height(0); |
654 | 1388 $zoomDiv.show(); |
1389 // register events | |
738 | 1390 $elem.bind("mousemove.dlZoomArea", zoomMove); |
1391 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
654 | 1392 return false; |
1393 }; | |
668 | 1394 |
741 | 1395 // mouse move handler |
1396 var zoomMove = function (evt) { | |
1397 pt2 = geom.position(evt); | |
1398 var rect = geom.rectangle(pt1, pt2); | |
1399 rect.clipTo(picRect); | |
1400 // update zoom div | |
1401 rect.adjustDiv($zoomDiv); | |
1402 return false; | |
1403 }; | |
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1404 |
654 | 1405 // mouseup handler: end moving |
1406 var zoomEnd = function (evt) { | |
1407 pt2 = geom.position(evt); | |
1408 // assume a click and continue if the area is too small | |
1409 var clickRect = geom.rectangle(pt1, pt2); | |
710 | 1410 if (clickRect.getArea() <= 5) return false; |
654 | 1411 // hide zoom div |
1412 $zoomDiv.remove(); | |
1413 // unregister events | |
738 | 1414 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
1415 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
654 | 1416 // clip and transform |
1417 clickRect.clipTo(picRect); | |
1418 var area = data.imgTrafo.invtransform(clickRect); | |
1419 data.zoomArea = area; | |
1420 // zoomed is always fit | |
1421 data.settings.ws = 1; | |
738 | 1422 delete data.dlOpts.fitwidth; |
1423 delete data.dlOpts.fitheight; | |
654 | 1424 redisplay(data); |
1425 return false; | |
1426 }; | |
668 | 1427 |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1428 // clear old handler (also ZoomDrag) |
738 | 1429 $scaler.unbind('.dlZoomArea'); |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1430 $scaler.unbind(".dlZoomDrag"); |
738 | 1431 $elem.unbind('.dlZoomArea'); |
654 | 1432 // bind start zoom handler |
738 | 1433 $scaler.one('mousedown.dlZoomArea', zoomStart); |
654 | 1434 }; |
647 | 1435 |
723 | 1436 // bird's eye view zoom area click and drag handler |
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1437 var setupBirdDrag = function(data) { |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1438 var $birdImg = data.$birdImg; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1439 var $birdZoom = data.$birdZoom; |
730 | 1440 var $document = $(document); |
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1441 var $scaler = data.$scaler; |
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1442 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1443 |
741 | 1444 // mousedown handler: start dragging bird zoom to a new position |
1445 var birdZoomStartDrag = function(evt) { | |
1446 startPos = geom.position(evt); | |
1447 // position may have changed | |
1448 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
1449 birdImgRect = geom.rectangle($birdImg); | |
1450 birdZoomRect = geom.rectangle($birdZoom); | |
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1451 scalerPos = geom.position($scaler); |
741 | 1452 newRect = null; |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1453 fullRect = setZoomBG(data); // setup zoom background image |
741 | 1454 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
1455 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
1456 return false; | |
1457 }; | |
1458 | |
733 | 1459 // mousemove handler: drag |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1460 var birdZoomMove = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
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677
diff
changeset
|
1461 var pos = geom.position(evt); |
730 | 1462 var delta = startPos.delta(pos); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1463 // move birdZoom div, keeping size |
730 | 1464 newRect = birdZoomRect.copy(); |
733 | 1465 newRect.addPosition(delta); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
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diff
changeset
|
1466 newRect.stayInside(birdImgRect); |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1467 // reflect birdview zoom position in scaler image |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1468 var area = data.birdTrafo.invtransform(newRect); |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1469 var imgArea = data.imgTrafo.transform(area); |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1470 var offset = imgArea.getPosition().neg(); |
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1471 offset.add(scalerPos); |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1472 if (fullRect) { |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1473 var bgPos = fullRect.getPosition().add(offset); |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1474 } else { |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1475 var bgPos = offset; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1476 } |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1477 // move the background image to the new position |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1478 data.$scaler.css({ |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1479 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1480 }); |
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1481 // acount for border width |
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1482 newRect.addPosition({x : -2, y : -2}); |
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1483 newRect.adjustDiv($birdZoom); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1484 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1485 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1486 |
733 | 1487 // mouseup handler: reload page |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1488 var birdZoomEndDrag = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1489 var settings = data.settings; |
730 | 1490 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
1491 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
1492 if (newRect == null) { | |
1493 // no movement happened - set center to click position | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1494 startPos = birdZoomRect.getCenter(); |
730 | 1495 birdZoomMove(evt); |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1496 } |
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1497 // ugly, but needed to prevent double border width compensation |
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1498 newRect.addPosition({x : +2, y : +2}); |
730 | 1499 var newArea = data.birdTrafo.invtransform(newRect); |
1500 data.zoomArea = newArea; | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1501 redisplay(data); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1502 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1503 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1504 |
730 | 1505 // clear old handler |
1506 $document.unbind(".dlBirdMove"); | |
1507 $birdImg.unbind(".dlBirdMove"); | |
1508 $birdZoom.unbind(".dlBirdMove"); | |
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1509 if (! isFullArea(data.zoomArea)) { |
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1510 // set new handler |
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1511 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1512 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1513 } |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1514 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1515 |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1516 // move bird zoom indicator to reflect zoomed detail area |
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1517 var setBirdZoom = function(data, rect) { |
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1518 var part = data.imgTrafo.invtransform(rect); |
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1519 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1520 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1521 var birdRect = birdTrafo.transform(part); |
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1522 // acount for border width |
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1523 birdRect.addPosition({x : -2, y : -2}); |
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1524 birdRect.adjustDiv(data.$birdZoom); |
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1525 }; |
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1526 |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1527 // set zoom background |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1528 var setZoomBG = function(data) { |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1529 var $scaler = data.$scaler; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1530 var $img = data.$img; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1531 var fullRect = null; |
767 | 1532 // hide marks |
1533 data.$elem.find('div.mark').hide(); | |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1534 // hide the scaler img, show background of div instead |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1535 $img.css('visibility', 'hidden'); |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1536 var scalerCss = { |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1537 'background-image' : 'url(' + $img.attr('src') + ')', |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1538 'background-repeat' : 'no-repeat', |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1539 'background-position' : 'left top', |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1540 'opacity' : '0.5', |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1541 'cursor' : 'move' |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1542 }; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1543 if (data.hasBgSize) { |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1544 // full-size background using CSS3-background-size |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1545 fullRect = data.imgTrafo.transform(FULL_AREA); |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1546 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1547 // correct offset because background is relative |
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1548 var scalerPos = geom.position($scaler); |
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1549 fullRect.addPosition(scalerPos.neg()); |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1550 var url = getBirdImgUrl(data, ['rot', 'mo']); |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1551 scalerCss['background-image'] = 'url(' + url + ')'; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1552 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1553 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1554 } else { |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1555 // too big |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1556 fullRect = null; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1557 } |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1558 } |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1559 $scaler.css(scalerCss); |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1560 // isBgReady = true; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1561 return fullRect; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1562 }; |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1563 |
738 | 1564 // setup handlers for dragging the zoomed image |
705 | 1565 var setupZoomDrag = function(data) { |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1566 var startPos, delta, fullRect; |
733 | 1567 var $document = $(document); |
705 | 1568 var $elem = data.$elem; |
1569 var $scaler = data.$scaler; | |
1570 var $img = data.$img; | |
710 | 1571 |
733 | 1572 // drag the image and load a new detail on mouse up |
705 | 1573 var dragStart = function (evt) { |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1574 console.debug("dragstart at=",evt); |
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1575 // don't start dragging if not zoomed |
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1576 if (isFullArea(data.zoomArea)) return false; |
733 | 1577 startPos = geom.position(evt); |
741 | 1578 delta = null; |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1579 // set low res background immediately on mousedown |
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1580 fullRect = setZoomBG(data); |
733 | 1581 $document.bind("mousemove.dlZoomDrag", dragMove); |
1582 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1583 return false; |
705 | 1584 }; |
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1585 |
733 | 1586 // mousemove handler: drag zoomed image |
705 | 1587 var dragMove = function (evt) { |
1588 var pos = geom.position(evt); | |
741 | 1589 delta = startPos.delta(pos); |
1590 if (fullRect) { | |
1591 var bgPos = fullRect.getPosition().add(delta); | |
1592 } else { | |
1593 var bgPos = delta; | |
1594 } | |
705 | 1595 // move the background image to the new position |
715 | 1596 $scaler.css({ |
741 | 1597 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
705 | 1598 }); |
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1599 // set birdview indicator to reflect new zoom position |
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1600 var za = geom.rectangle($img); |
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1601 za.addPosition(delta.neg()); |
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1602 setBirdZoom(data, za); |
705 | 1603 return false; |
1604 }; | |
710 | 1605 |
733 | 1606 // mouseup handler: reload zoomed image in new position |
705 | 1607 var dragEnd = function (evt) { |
739 | 1608 $scaler.css('cursor', 'auto'); |
733 | 1609 $document.unbind("mousemove.dlZoomDrag", dragMove); |
1610 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
1611 if (delta == null || delta.distance() < 2) { | |
1612 // no movement | |
1613 $img.css('visibility', 'visible'); | |
741 | 1614 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
767 | 1615 // unhide marks |
1616 data.$elem.find('div.mark').show(); | |
733 | 1617 return false; |
1618 } | |
1619 // get old zoom area (screen coordinates) | |
741 | 1620 var za = geom.rectangle($img); |
733 | 1621 // move |
741 | 1622 za.addPosition(delta.neg()); |
733 | 1623 // transform back |
1624 var newArea = data.imgTrafo.invtransform(za); | |
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1625 data.zoomArea = FULL_AREA.fit(newArea); |
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1626 redisplay(data); |
705 | 1627 return false; |
1628 }; | |
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1629 |
733 | 1630 // clear old handler |
1631 $document.unbind(".dlZoomDrag"); | |
741 | 1632 $scaler.unbind(".dlZoomDrag"); |
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1633 if (! isFullArea(data.zoomArea)) { |
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1634 // set handler |
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1635 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1636 } |
705 | 1637 }; |
1638 | |
703 | 1639 // get image quality as a number (0..2) |
1640 var getQuality = function (data) { | |
1641 var flags = data.scalerFlags; | |
1642 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
1643 return parseInt(q[1], 10); | |
706 | 1644 }; |
703 | 1645 |
1646 // set image quality as a number (0..2) | |
1647 var setQuality = function (data, qual) { | |
1648 var flags = data.scalerFlags; | |
1649 // clear flags | |
1650 for (var i = 0; i < 3; ++i) { | |
1651 delete flags['q'+i]; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1652 } |
703 | 1653 flags['q'+qual] = 'q'+qual; |
706 | 1654 }; |
710 | 1655 |
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1656 // get image scale mode (screen, pixel, size) |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1657 var getScaleMode = function (data) { |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1658 if (data.scalerFlags.clip != null) { |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1659 return 'pixel'; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1660 } else if (data.scalerFlags.osize != null) { |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1661 return 'size'; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1662 } |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1663 // mo=fit is default |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1664 return 'screen'; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1665 }; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1666 |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1667 // set image scale mode (screen, pixel, size) |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1668 var setScaleMode = function (data, mode) { |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1669 delete data.scalerFlags.fit; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1670 delete data.scalerFlags.clip; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1671 delete data.scalerFlags.osize; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1672 if (mode === 'pixel') { |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1673 data.scalerFlags.clip = 'clip'; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1674 } else if (mode === 'size') { |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1675 data.scalerFlags.osize = 'osize'; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1676 } |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1677 // mo=fit is default |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1678 }; |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1679 |
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1680 // sets a key to a value (relative values with +/- if relative=true) |
650 | 1681 var setNumValue = function(settings, key, value) { |
716 | 1682 if (value == null) return null; |
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1683 if (isNumber(value)) { |
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1684 settings[key] = value; |
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1685 return value; |
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1686 } |
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1687 var sign = value[0]; |
650 | 1688 if (sign === '+' || sign === '-') { |
1689 if (settings[key] == null) { | |
651
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1690 // this isn't perfect but still... |
650 | 1691 settings[key] = 0; |
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1692 } |
650 | 1693 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
1694 } else { | |
1695 settings[key] = value; | |
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1696 } |
650 | 1697 return settings[key]; |
1698 }; | |
655 | 1699 |
1700 // auxiliary function (from old dllib.js) | |
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1701 var isFullArea = function(area) { |
659 | 1702 return (area.width === 1.0) && (area.height === 1.0); |
655 | 1703 }; |
1704 | |
641 | 1705 // auxiliary function (from Douglas Crockford, A.10) |
1706 var isNumber = function isNumber(value) { | |
710 | 1707 return typeof value === 'number' && isFinite(value); |
641 | 1708 }; |
655 | 1709 |
631 | 1710 // auxiliary function to crop senseless precision |
1711 var cropFloat = function (x) { | |
637 | 1712 return parseInt(10000 * x, 10) / 10000; |
631 | 1713 }; |
655 | 1714 |
692 | 1715 // fallback for console.log calls |
1716 if (customConsole) { | |
1717 var logFunction = function(type) { | |
1718 return function(){ | |
1719 var $debug = $('#debug'); // debug div | |
1720 if (!$debug) return; | |
1721 var args = Array.prototype.slice.call(arguments); | |
1722 var argtext = args.join(' '); | |
1723 var $logDiv = $('<div/>'); | |
1724 $logDiv.addClass(type); | |
1725 $logDiv.text(argtext); | |
1726 $debug.append($logDiv); | |
1727 }; | |
1728 }; | |
1729 console.log = logFunction('_log'); | |
1730 console.debug = logFunction('_debug'); | |
1731 console.error = logFunction('_error'); | |
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1732 } |
692 | 1733 |
605 | 1734 // hook plugin into jquery |
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1735 $.fn.digilib = function(action, obj) { |
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1736 // plugin extension mechanism |
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1737 if (action === 'extendPlugin') { |
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1738 // for each digilib $elem extend data.settings with obj.options |
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1739 if (obj.options) { |
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1740 this.each(function() { |
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1741 var $elem = $(this); |
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1742 // console.debug('extending:', $elem); |
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1743 var data = $elem.data('digilib'); |
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1744 if (!data) { |
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1745 return console.log('cannot extend digilib plugin, element not initialised!'); |
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1746 } |
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1747 var settings = data.settings; |
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1748 $.extend(settings, obj.options); |
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1749 // console.log('settings:', settings); |
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1750 }); |
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1751 } |
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1752 delete(obj.options); |
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1753 // extend the plugin actions (to make this useful, |
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1754 // maybe we need to expose some more internal functions) |
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1755 $.extend(actions, obj); |
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1756 } else if (actions[action]) { |
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1757 // call action on this with the remaining arguments (inserting data as first argument) |
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1758 var $elem = $(this); |
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1759 var data = $elem.data('digilib'); |
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1760 var args = Array.prototype.slice.call(arguments, 1); |
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1761 args.unshift(data); |
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1762 return actions[action].apply(this, args); |
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1763 } else if (typeof(action) === 'object' || !action) { |
634 | 1764 // call init on this |
651
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1765 return actions.init.apply(this, arguments); |
605 | 1766 } else { |
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1767 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
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1768 } |
605 | 1769 }; |
692 | 1770 |
604 | 1771 })(jQuery); |