Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 727:fc61c6b02c78 jquery
first steps to storing embedded state in cookie
author | robcast |
---|---|
date | Tue, 01 Feb 2011 11:18:32 +0100 |
parents | 6224f64cbd58 |
children | 84ad95fd3202 |
rev | line source |
---|---|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1 /* Copyright (c) 2011 Martin Raspe, Robert Casties |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
2 |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
3 This program is free software: you can redistribute it and/or modify |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
4 it under the terms of the GNU Lesser General Public License as published by |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
5 the Free Software Foundation, either version 2 of the License, or |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
6 (at your option) any later version. |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
7 |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
8 This program is distributed in the hope that it will be useful, |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
9 but WITHOUT ANY WARRANTY; without even the implied warranty of |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
11 GNU Lesser General Public License for more details. |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
12 |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
13 You should have received a copy of the GNU Lesser General Public License |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
14 along with this program. If not, see <http://www.gnu.org/licenses/>. |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
15 |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
16 Authors: |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
17 Martin Raspe, Robert Casties, 11.1.2011 |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
18 */ |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
19 |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
20 /** |
604 | 21 * digilib jQuery plugin |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
22 * |
604 | 23 */ |
655 | 24 |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
25 /*jslint browser: true, debug: true, forin: true */ |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
26 |
636 | 27 // fallback for console.log calls |
28 if (typeof(console) === 'undefined') { | |
29 var console = { | |
692 | 30 log : function(){}, |
31 debug : function(){}, | |
32 error : function(){} | |
33 }; | |
34 var customConsole = true; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
35 } |
604 | 36 |
37 (function($) { | |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
38 var buttons = { |
610 | 39 reference : { |
689 | 40 onclick : "reference", |
610 | 41 tooltip : "get a reference URL", |
42 img : "reference.png" | |
43 }, | |
44 zoomin : { | |
643 | 45 onclick : ["zoomBy", 1.4], |
610 | 46 tooltip : "zoom in", |
47 img : "zoom-in.png" | |
48 }, | |
49 zoomout : { | |
643 | 50 onclick : ["zoomBy", 0.7], |
610 | 51 tooltip : "zoom out", |
52 img : "zoom-out.png" | |
53 }, | |
54 zoomarea : { | |
654 | 55 onclick : "zoomArea", |
610 | 56 tooltip : "zoom area", |
57 img : "zoom-area.png" | |
58 }, | |
59 zoomfull : { | |
650 | 60 onclick : "zoomFull", |
610 | 61 tooltip : "view the whole image", |
62 img : "zoom-full.png" | |
63 }, | |
64 pagewidth : { | |
650 | 65 onclick : ["zoomFull", "width"], |
610 | 66 tooltip : "page width", |
67 img : "pagewidth.png" | |
68 }, | |
69 back : { | |
623 | 70 onclick : ["gotoPage", "-1"], |
610 | 71 tooltip : "goto previous image", |
72 img : "back.png" | |
73 }, | |
74 fwd : { | |
623 | 75 onclick : ["gotoPage", "+1"], |
610 | 76 tooltip : "goto next image", |
77 img : "fwd.png" | |
78 }, | |
79 page : { | |
716 | 80 onclick : "gotoPage", |
81 tooltip : "goto image number", | |
610 | 82 img : "page.png" |
83 }, | |
84 bird : { | |
635 | 85 onclick : "showBirdDiv", |
610 | 86 tooltip : "show bird's eye view", |
87 img : "birds-eye.png" | |
88 }, | |
89 help : { | |
635 | 90 onclick : "showAboutDiv", |
610 | 91 tooltip : "about Digilib", |
92 img : "help.png" | |
93 }, | |
94 reset : { | |
688 | 95 onclick : "reset", |
610 | 96 tooltip : "reset image", |
97 img : "reset.png" | |
98 }, | |
99 mark : { | |
647 | 100 onclick : "setMark", |
610 | 101 tooltip : "set a mark", |
102 img : "mark.png" | |
103 }, | |
104 delmark : { | |
650 | 105 onclick : "removeMark", |
610 | 106 tooltip : "delete the last mark", |
107 img : "delmark.png" | |
108 }, | |
109 hmir : { | |
661 | 110 onclick : ["mirror", "h"], |
610 | 111 tooltip : "mirror horizontally", |
112 img : "mirror-horizontal.png" | |
113 }, | |
114 vmir : { | |
661 | 115 onclick : ["mirror", "v"], |
610 | 116 tooltip : "mirror vertically", |
117 img : "mirror-vertical.png" | |
118 }, | |
119 rot : { | |
663 | 120 onclick : "rotate", |
610 | 121 tooltip : "rotate image", |
122 img : "rotate.png" | |
123 }, | |
124 brgt : { | |
663 | 125 onclick : "brightness", |
610 | 126 tooltip : "set brightness", |
127 img : "brightness.png" | |
128 }, | |
129 cont : { | |
663 | 130 onclick : "contrast", |
610 | 131 tooltip : "set contrast", |
132 img : "contrast.png" | |
133 }, | |
134 rgb : { | |
135 onclick : "javascript:setParamWin('rgb', '...')", | |
136 tooltip : "set rgb values", | |
137 img : "rgb.png" | |
138 }, | |
139 quality : { | |
703 | 140 onclick : "setquality", |
610 | 141 tooltip : "set image quality", |
142 img : "quality.png" | |
143 }, | |
144 size : { | |
145 onclick : "javascript:toggleSizeMenu()", | |
146 tooltip : "set page size", | |
147 img : "size.png" | |
148 }, | |
149 calibrationx : { | |
150 onclick : "javascript:calibrate('x')", | |
151 tooltip : "calibrate screen x-ratio", | |
152 img : "calibration-x.png" | |
153 }, | |
154 scale : { | |
155 onclick : "javascript:toggleScaleMenu()", | |
156 tooltip : "change image scale", | |
157 img : "original-size.png" | |
158 }, | |
699 | 159 toggleoptions : { |
160 onclick : "morebuttons", | |
161 tooltip : "more options", | |
162 img : "options.png" | |
163 }, | |
690 | 164 moreoptions : { |
165 onclick : ["morebuttons", "+1"], | |
166 tooltip : "more options", | |
167 img : "options.png" | |
168 }, | |
169 lessoptions : { | |
170 onclick : ["morebuttons", "-1"], | |
171 tooltip : "less options", | |
610 | 172 img : "options.png" |
173 }, | |
174 SEP : { | |
175 img : "sep.png" | |
176 } | |
177 }; | |
617
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
178 |
605 | 179 var defaults = { |
616 | 180 // version of this script |
635 | 181 'version' : 'jquery.digilib.js 0.9', |
616 | 182 // logo url |
183 'logoUrl' : '../img/digilib-logo-text1.png', | |
635 | 184 // homepage url (behind logo) |
185 'homeUrl' : 'http://digilib.berlios.de', | |
610 | 186 // base URL to Scaler servlet |
652 | 187 'scalerBaseUrl' : null, |
610 | 188 // list of Scaler parameters |
627 | 189 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
190 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
191 // Scaler parameter defaults | |
643 | 192 'pn' : 1, |
627 | 193 'ww' : 1.0, |
194 'wh' : 1.0, | |
195 'wx' : 0.0, | |
196 'wy' : 0.0, | |
197 'ws' : 1.0, | |
643 | 198 'mo' : '', |
199 'rot' : 0, | |
200 'cont' : 0, | |
201 'brgt' : 0, | |
202 'rgbm' : '0/0/0', | |
203 'rgba' : '0/0/0', | |
204 'ddpi' : null, | |
205 'ddpix' : null, | |
206 'ddpiy' : null, | |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
207 // list of digilib parameters |
650 | 208 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','mk','clop'], |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
209 // digilib parameter defaults |
643 | 210 'mk' : '', |
650 | 211 'clop' : '', |
643 | 212 // mode of operation: |
213 // fullscreen = take parameters from page URL, keep state in page URL | |
214 // embedded = take parameters from Javascript options, keep state inside object | |
610 | 215 'interactionMode' : 'fullscreen', |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
216 // buttons |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
217 'buttons' : buttons, |
668 | 218 // defaults for digilib buttons |
665 | 219 'buttonSettings' : { |
220 'fullscreen' : { | |
668 | 221 // path to button images (must end with a slash) |
665 | 222 'imagePath' : 'img/fullscreen/', |
721 | 223 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
224 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
682 | 225 'buttonSets' : ['standardSet', 'specialSet'] |
665 | 226 }, |
227 'embedded' : { | |
228 'imagePath' : 'img/embedded/16/', | |
721 | 229 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","back","fwd","page","bird","help","reset","toggleoptions"], |
230 'specialSet' : ["hmir","vmir","rot","brgt","cont","rgb","quality","size","toggleoptions"], | |
682 | 231 'buttonSets' : ['standardSet', 'specialSet'] |
665 | 232 } |
697 | 233 }, |
234 // number of visible button groups | |
235 'visibleButtonSets' : 1, | |
616 | 236 // is birdView shown? |
237 'isBirdDivVisible' : false, | |
668 | 238 // dimensions of bird's eye div |
674 | 239 'birdDivWidth' : 200, |
240 'birdDivHeight' : 200, | |
719
3da6db751448
change birdview along with scalerUrl in embedded mode
hertzhaft
parents:
718
diff
changeset
|
241 // parameters used by bird's eye div |
3da6db751448
change birdview along with scalerUrl in embedded mode
hertzhaft
parents:
718
diff
changeset
|
242 'birdDivParams' : ['fn','pn','dw','dh'], |
668 | 243 // style of the zoom area indicator in the bird's eye div |
659 | 244 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, |
668 | 245 // style of zoom area "rubber band" |
246 'zoomrectStyle' : {'border' : '2px solid #ff0000' }, | |
616 | 247 // is the "about" window shown? |
248 'isAboutDivVisible' : false | |
249 | |
610 | 250 }; |
655 | 251 |
608 | 252 // affine geometry classes |
253 var geom = dlGeometry(); | |
655 | 254 |
643 | 255 var MAX_ZOOMAREA = geom.rectangle(0, 0, 1, 1); |
655 | 256 |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
257 var actions = { |
668 | 258 // init: digilib initialization |
259 init : function(options) { | |
260 // settings for this digilib instance are merged from defaults and options | |
261 var settings = $.extend({}, defaults, options); | |
262 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
263 var queryParams = {}; | |
264 if (isFullscreen) { | |
265 queryParams = parseQueryParams(); | |
266 // check scalerBaseUrl | |
267 if (settings.scalerBaseUrl == null) { | |
268 // try the host this came from | |
269 var h = window.location.host; | |
270 if (window.location.host) { | |
271 var url = window.location.href; | |
272 // assume the page lives in [webapp]/jquery/ | |
273 var pos = url.indexOf('jquery/'); | |
274 if (pos > 0) { | |
275 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
652 | 276 } |
277 } | |
636 | 278 } |
668 | 279 } |
280 return this.each(function() { | |
281 var $elem = $(this); | |
282 var data = $elem.data('digilib'); | |
688 | 283 var params, elemSettings; |
668 | 284 // if the plugin hasn't been initialized yet |
285 if (!data) { | |
286 // merge query parameters | |
287 if (isFullscreen) { | |
688 | 288 params = queryParams; |
668 | 289 } else { |
688 | 290 params = parseImgParams($elem); |
727 | 291 if (jQuery.cookie) { |
292 // retrieve params from cookie | |
293 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
294 var cs = jQuery.cookie(ck); | |
295 console.debug("get cookie=", ck, " value=", cs); | |
296 if (cs) { | |
297 var cp = parseQueryString(cs); | |
298 // ignore fn and pn from cookie | |
299 cp.fn = params.fn; | |
300 cp.pn = params.pn; | |
301 params = cp; | |
302 } | |
303 } | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
304 } |
668 | 305 // store $(this) element in the settings |
688 | 306 elemSettings = $.extend({}, settings, params); |
697 | 307 data = { |
668 | 308 $elem : $elem, |
309 settings : elemSettings, | |
688 | 310 queryParams : params |
668 | 311 }; |
312 // store in data element | |
313 $elem.data('digilib', data); | |
314 } | |
315 unpackParams(data); | |
682 | 316 // create HTML structure for scaler |
668 | 317 setupScalerDiv(data); |
697 | 318 // add buttons |
319 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
320 showButtons(data, true, i); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
321 } |
668 | 322 // bird's eye view creation |
710 | 323 if (elemSettings.isBirdDivVisible) { |
638 | 324 setupBirdDiv(data); |
723 | 325 data.$birdDiv.show(); |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
326 } |
668 | 327 // about window creation - TODO: could be deferred? restrict to only one item? |
328 setupAboutDiv(data); | |
710 | 329 // TODO: the actual moving code |
707 | 330 setupZoomDrag(data); |
668 | 331 }); |
332 }, | |
333 | |
334 // destroy: clean up digilib | |
335 destroy : function(data) { | |
336 return this.each(function(){ | |
337 var $elem = $(this); | |
338 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
339 data.digilib.remove(); | |
340 $elem.removeData('digilib'); | |
341 }); | |
342 }, | |
343 | |
344 // show or hide the 'about' window | |
345 showAboutDiv : function(data, show) { | |
346 data.settings.isAboutDivVisible = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); | |
347 }, | |
655 | 348 |
668 | 349 // event handler: toggles the visibility of the bird's eye window |
350 showBirdDiv : function (data, show) { | |
726 | 351 var settings = data.settings; |
668 | 352 if (data.$birdDiv == null) { |
353 // no bird div -> create | |
354 setupBirdDiv(data); | |
355 } | |
726 | 356 settings.isBirdDivVisible = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
357 updateBirdDiv(data); | |
723 | 358 storeOptions(data); |
359 // data.$birdImg.triggerHandler('load'); // TODO: we shouldn't do that | |
668 | 360 }, |
361 | |
362 // goto given page nr (+/-: relative) | |
363 gotoPage : function (data, pageNr) { | |
364 var settings = data.settings; | |
365 var oldpn = settings.pn; | |
716 | 366 if (pageNr == null) { |
367 pageNr = window.prompt("Goto page number", oldpn); | |
368 } | |
668 | 369 var pn = setNumValue(settings, "pn", pageNr); |
370 if (pn == null) return false; // nothing happened | |
371 if (pn < 1) { | |
372 alert("no such page (page number too low)"); | |
373 settings.pn = oldpn; | |
374 return false; | |
375 } | |
376 if (settings.pt) { | |
377 if (pn > settings.pt) { | |
378 alert("no such page (page number too high)"); | |
623 | 379 settings.pn = oldpn; |
380 return false; | |
634 | 381 } |
668 | 382 } |
383 // reset mk and others(?) | |
718
d6d486fe44c2
improved embedded icons; page fwd/back scaler problem solved partially
hertzhaft
parents:
717
diff
changeset
|
384 // TODO: adjust bird div |
668 | 385 data.marks = []; |
386 data.zoomArea = MAX_ZOOMAREA; | |
387 // then reload | |
388 redisplay(data); | |
389 }, | |
654 | 390 |
668 | 391 // zoom by a given factor |
392 zoomBy : function (data, factor) { | |
393 zoomBy(data, factor); | |
394 }, | |
647 | 395 |
668 | 396 // zoom interactively |
397 zoomArea : function (data) { | |
398 zoomArea(data); | |
399 }, | |
650 | 400 |
668 | 401 // zoom out to full page |
402 zoomFull : function (data, mode) { | |
403 data.zoomArea = MAX_ZOOMAREA; | |
404 if (mode === 'width') { | |
405 data.dlOpts.fitwidth = 1; | |
406 delete data.dlOpts.fitheight; | |
407 } else if (mode === 'height') { | |
408 data.dlOpts.fitheight = 1; | |
409 delete data.dlOpts.fitwidth; | |
410 } else { | |
411 delete data.dlOpts.fitwidth; | |
412 delete data.dlOpts.fitheight; | |
413 } | |
414 redisplay(data); | |
415 }, | |
416 | |
417 // set a mark by clicking (or giving a position) | |
418 setMark : function (data, mpos) { | |
419 if (mpos == null) { | |
420 // interactive | |
421 setMark(data); | |
422 } else { | |
423 // use position | |
424 data.marks.push(pos); | |
663 | 425 redisplay(data); |
604 | 426 } |
668 | 427 }, |
428 | |
429 // remove the last mark | |
430 removeMark : function (data) { | |
431 data.marks.pop(); | |
432 redisplay(data); | |
433 }, | |
434 | |
435 // mirror the image | |
436 mirror : function (data, mode) { | |
437 var flags = data.scalerFlags; | |
438 if (mode === 'h') { | |
439 if (flags.hmir) { | |
440 delete flags.hmir; | |
441 } else { | |
442 flags.hmir = 1; | |
443 } | |
444 } else { | |
445 if (flags.vmir) { | |
446 delete flags.vmir; | |
447 } else { | |
448 flags.vmir = 1; | |
449 } | |
450 } | |
451 redisplay(data); | |
452 }, | |
650 | 453 |
668 | 454 // rotate the image |
455 rotate : function (data, angle) { | |
456 var rot = data.settings.rot; | |
457 if (angle == null) { | |
458 angle = window.prompt("Rotation angle:", rot); | |
459 } | |
460 data.settings.rot = angle; | |
461 redisplay(data); | |
462 }, | |
463 | |
464 // change brightness | |
465 brightness : function (data, factor) { | |
466 var brgt = data.settings.brgt; | |
467 if (factor == null) { | |
468 factor = window.prompt("Brightness (-255..255)", brgt); | |
469 } | |
470 data.settings.brgt = factor; | |
471 redisplay(data); | |
472 }, | |
473 | |
474 // change contrast | |
475 contrast : function (data, factor) { | |
476 var cont = data.settings.cont; | |
477 if (factor == null) { | |
478 factor = window.prompt("Contrast (-8, 8)", cont); | |
479 } | |
480 data.settings.cont = factor; | |
481 redisplay(data); | |
688 | 482 }, |
710 | 483 |
690 | 484 // display more (or less) button sets |
485 morebuttons : function (data, more) { | |
696 | 486 var settings = data.settings; |
699 | 487 if (more == null) { |
703 | 488 // toggle more or less (only works for 2 sets) |
699 | 489 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
490 if (settings.visibleButtonSets >= maxbtns) { | |
491 more = '-1'; | |
492 } else { | |
493 more = '+1'; | |
494 } | |
495 } | |
690 | 496 if (more === '-1') { |
497 // remove set | |
697 | 498 var setIdx = settings.visibleButtonSets - 1; |
499 if (showButtons(data, false, setIdx, true)) { | |
500 settings.visibleButtonSets--; | |
501 } | |
690 | 502 } else { |
503 // add set | |
697 | 504 var setIdx = settings.visibleButtonSets; |
505 if (showButtons(data, true, setIdx, true)) { | |
506 settings.visibleButtonSets++; | |
690 | 507 } |
508 } | |
723 | 509 // persist setting |
510 storeOptions(data); | |
691 | 511 }, |
688 | 512 |
703 | 513 // reset image parameters to defaults |
688 | 514 reset : function (data) { |
515 var settings = data.settings; | |
516 var paramNames = settings.digilibParamNames; | |
517 var params = data.queryParams; | |
709 | 518 // resets zoomArea, marks, scalerflags |
688 | 519 resetData(data); |
520 // delete all digilib parameters | |
521 for (var i = 0; i < paramNames.length; i++) { | |
522 var paramName = paramNames[i]; | |
523 delete settings[paramName]; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
524 } |
688 | 525 // fullscreen: restore only fn/pn parameters |
526 if (settings.interactionMode === 'fullscreen') { | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
527 settings.fn = params.fn || ''; // no default defined |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
528 settings.pn = params.pn || defaults.pn; |
688 | 529 // embedded: restore original parameters |
530 } else { | |
531 $.extend(settings, params); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
532 } |
709 | 533 // TODO: should we really reset all user preferences here? |
534 settings.isBirdDivVisible = false; | |
535 settings.visibleButtonSets = 1; | |
712 | 536 delete data.dlOpts.fitwidth; |
537 delete data.dlOpts.fitheight; | |
688 | 538 redisplay(data); |
689 | 539 }, |
540 | |
703 | 541 // presents a reference url (returns value if noprompt) |
542 reference : function (data, noprompt) { | |
689 | 543 var settings = data.settings; |
544 var url; | |
545 if (settings.interactionMode === 'fullscreen') { | |
546 url = getDigilibUrl(data); | |
547 } else { | |
548 url = getScalerUrl(data); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
549 } |
703 | 550 if (noprompt == null) { |
551 window.prompt("URL reference to the current view", url); | |
552 } | |
553 return url; | |
554 }, | |
710 | 555 |
703 | 556 // set image quality |
557 setquality : function (data, qual) { | |
558 var oldq = getQuality(data); | |
559 if (qual == null) { | |
560 qual = window.prompt("Image quality (0..2)", oldq); | |
561 } | |
562 qual = parseInt(qual, 10); | |
563 if (qual >= 0 && qual <= 2) { | |
564 setQuality(data, qual); | |
565 redisplay(data); | |
566 } | |
668 | 567 } |
605 | 568 }; |
604 | 569 |
608 | 570 // returns parameters from page url |
607 | 571 var parseQueryParams = function() { |
636 | 572 return parseQueryString(window.location.search.slice(1)); |
573 }; | |
655 | 574 |
636 | 575 // returns parameters from embedded img-element |
607 | 576 var parseImgParams = function($elem) { |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
577 var src = $elem.find('img').first().attr('src'); |
710 | 578 if (!src) return null; |
607 | 579 var pos = src.indexOf('?'); |
580 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
581 var scalerUrl = src.substring(0, pos); | |
627 | 582 var params = parseQueryString(query); |
583 params.scalerBaseUrl = scalerUrl; | |
584 return params; | |
636 | 585 }; |
607 | 586 |
608 | 587 // parses query parameter string into parameter object |
607 | 588 var parseQueryString = function(query) { |
701 | 589 var params = {}; |
590 if (query == null) return params; | |
607 | 591 var pairs = query.split("&"); |
636 | 592 //var keys = []; |
607 | 593 for (var i = 0; i < pairs.length; i++) { |
594 var pair = pairs[i].split("="); | |
595 if (pair.length === 2) { | |
627 | 596 params[pair[0]] = pair[1]; |
636 | 597 //keys.push(pair[0]); |
634 | 598 } |
636 | 599 } |
627 | 600 return params; |
636 | 601 }; |
668 | 602 |
643 | 603 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
604 var getParamString = function (settings, keys, defaults) { | |
615 | 605 var paramString = ''; |
650 | 606 var nx = false; |
615 | 607 for (i = 0; i < keys.length; ++i) { |
608 var key = keys[i]; | |
663 | 609 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
615 | 610 // first param gets no '&' |
650 | 611 if (nx) { |
612 paramString += '&'; | |
613 } else { | |
614 nx = true; | |
615 } | |
615 | 616 // add parm=val |
617 paramString += key + '=' + settings[key]; | |
643 | 618 } |
615 | 619 } |
620 return paramString; | |
631 | 621 }; |
622 | |
636 | 623 // returns URL and query string for Scaler |
624 var getScalerUrl = function (data) { | |
653 | 625 var settings = data.settings; |
652 | 626 if (settings.scalerBaseUrl == null) { |
627 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
628 } |
665 | 629 packParams(data); |
636 | 630 var keys = settings.scalerParamNames; |
643 | 631 var queryString = getParamString(settings, keys, defaults); |
636 | 632 var url = settings.scalerBaseUrl + '?' + queryString; |
633 return url; | |
634 }; | |
635 | |
636 // returns URL and query string for current digilib | |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
637 var getDigilibUrl = function (data) { |
643 | 638 packParams(data); |
636 | 639 var settings = data.settings; |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
640 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
636 | 641 var url = window.location.toString(); |
642 var pos = url.indexOf('?'); | |
643 var baseUrl = url.substring(0, pos); | |
644 var newurl = baseUrl + '?' + queryString; | |
645 return newurl; | |
646 }; | |
647 | |
655 | 648 // processes some parameters into objects and stuff |
631 | 649 var unpackParams = function (data) { |
650 var settings = data.settings; | |
636 | 651 // zoom area |
631 | 652 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
643 | 653 data.zoomArea = zoomArea; |
636 | 654 // marks |
631 | 655 var marks = []; |
650 | 656 if (settings.mk) { |
657 var mk = settings.mk; | |
658 if (mk.indexOf(";") >= 0) { | |
659 var pa = mk.split(";"); // old format with ";" | |
660 } else { | |
661 var pa = mk.split(","); // new format | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
662 } |
650 | 663 for (var i = 0; i < pa.length ; i++) { |
664 var pos = pa[i].split("/"); | |
665 if (pos.length > 1) { | |
666 marks.push(geom.position(pos[0], pos[1])); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
667 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
668 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
669 } |
643 | 670 data.marks = marks; |
650 | 671 // mo (Scaler flags) |
672 var flags = {}; | |
673 if (settings.mo) { | |
674 var pa = settings.mo.split(","); | |
675 for (var i = 0; i < pa.length ; i++) { | |
676 flags[pa[i]] = pa[i]; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
677 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
678 } |
650 | 679 data.scalerFlags = flags; |
723 | 680 retrieveOptions(data); |
655 | 681 }; |
682 | |
631 | 683 // put objects back into parameters |
684 var packParams = function (data) { | |
685 var settings = data.settings; | |
636 | 686 // zoom area |
643 | 687 if (data.zoomArea) { |
647 | 688 settings.wx = cropFloat(data.zoomArea.x); |
689 settings.wy = cropFloat(data.zoomArea.y); | |
690 settings.ww = cropFloat(data.zoomArea.width); | |
691 settings.wh = cropFloat(data.zoomArea.height); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
692 } |
636 | 693 // marks |
643 | 694 if (data.marks) { |
650 | 695 settings.mk = ''; |
643 | 696 for (var i = 0; i < data.marks.length; i++) { |
650 | 697 if (i) { |
698 settings.mk += ','; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
699 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
700 settings.mk += cropFloat(data.marks[i].x).toString() + |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
701 '/' + cropFloat(data.marks[i].y).toString(); |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
702 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
703 } |
650 | 704 // Scaler flags |
705 if (data.scalerFlags) { | |
706 var mo = ''; | |
707 for (var f in data.scalerFlags) { | |
708 if (mo) { | |
709 mo += ','; | |
710 } | |
711 mo += f; | |
712 } | |
713 settings.mo = mo; | |
714 } | |
710 | 715 // user interface options |
723 | 716 storeOptions(data); |
709 | 717 }; |
688 | 718 |
723 | 719 var storeOptions = function (data) { |
701 | 720 // save digilib options in cookie |
709 | 721 // TODO: in embedded mode this is not called |
701 | 722 /* store in parameter clop |
723 * if (data.dlOpts) { | |
724 var clop = ''; | |
725 for (var o in data.dlOpts) { | |
726 if (clop) { | |
650 | 727 clop += ','; |
728 } | |
729 clop += o; | |
730 } | |
731 settings.clop = clop; | |
701 | 732 } */ |
709 | 733 var settings = data.settings; |
734 if (data.dlOpts) { | |
735 // save digilib settings in options | |
736 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
737 data.dlOpts.buttons = settings.visibleButtonSets; | |
738 var clop = ''; | |
739 for (var o in data.dlOpts) { | |
740 if (clop) { | |
741 clop += '&'; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
742 } |
709 | 743 clop += o + '=' + data.dlOpts[o]; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
744 } |
709 | 745 if (jQuery.cookie) { |
746 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
747 console.debug("set cookie=", ck, " value=", clop); | |
748 jQuery.cookie(ck, clop); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
749 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
750 } |
727 | 751 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
752 // store normal parameters in cookie for embedded mode | |
753 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
754 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
755 console.debug("set cookie=", ck, " value=", qs); | |
756 jQuery.cookie(ck, qs); | |
757 } | |
631 | 758 }; |
655 | 759 |
723 | 760 var retrieveOptions = function (data) { |
709 | 761 // clop (digilib options) |
762 var opts = {}; | |
763 var settings = data.settings; | |
764 if (jQuery.cookie) { | |
765 /* read from parameter clop | |
766 * if (settings.clop) { | |
767 var pa = settings.clop.split(","); | |
768 for (var i = 0; i < pa.length ; i++) { | |
769 opts[pa[i]] = pa[i]; | |
770 } | |
771 } */ | |
772 // read from cookie | |
773 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
774 var cp = jQuery.cookie(ck); | |
775 console.debug("get cookie=", ck, " value=", cp); | |
776 // in query string format | |
777 opts = parseQueryString(cp); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
778 } |
709 | 779 data.dlOpts = opts; |
780 // birdview option | |
781 if (opts.birdview != null) { | |
782 settings.isBirdDivVisible = opts.birdview === '1'; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
783 } |
709 | 784 // visible button sets |
785 if (opts.buttons != null) { | |
786 settings.visibleButtonSets = opts.buttons; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
787 } |
711 | 788 }; |
709 | 789 |
688 | 790 // clear digilib data for reset |
791 var resetData = function (data) { | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
792 // TODO: we should reset instead of delete |
688 | 793 if (data.zoomArea) delete data.zoomArea; |
794 if (data.marks) delete data.marks; | |
795 if (data.scalerFlags) delete data.scalerFlags; | |
796 }; | |
797 | |
622 | 798 // (re)load the img from a new scaler URL |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
799 var redisplay = function (data) { |
636 | 800 var settings = data.settings; |
801 if (settings.interactionMode === 'fullscreen') { | |
802 // update location.href (browser URL) in fullscreen mode | |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
803 var url = getDigilibUrl(data); |
636 | 804 var history = window.history; |
805 if (typeof(history.pushState) === 'function') { | |
806 console.debug("we could modify history, but we don't..."); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
807 } |
636 | 808 window.location = url; |
809 } else { | |
810 // embedded mode -- just change img src | |
811 var url = getScalerUrl(data); | |
812 data.$img.attr('src', url); | |
726 | 813 // redisplay bird img |
814 updateBirdDiv(data); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
815 } |
622 | 816 }; |
817 | |
662 | 818 // returns maximum size for scaler img in fullscreen mode |
819 var getFullscreenImgSize = function($elem) { | |
820 var $win = $(window); | |
821 var winH = $win.height(); | |
822 var winW = $win.width(); | |
823 // TODO: account for borders? | |
824 return geom.size(winW, winH); | |
825 }; | |
826 | |
608 | 827 // creates HTML structure for digilib in elem |
627 | 828 var setupScalerDiv = function (data) { |
829 var settings = data.settings; | |
647 | 830 var $elem = data.$elem; |
725 | 831 $elem.addClass('digilib'); |
686 | 832 var $img, scalerUrl; |
833 // fullscreen | |
608 | 834 if (settings.interactionMode === 'fullscreen') { |
725 | 835 $elem.addClass('dl_fullscreen'); |
609 | 836 var imgSize = getFullscreenImgSize($elem); |
650 | 837 // fitwidth/height omits destination height/width |
715 | 838 // if (data.dlOpts['fitheight'] !== '1') { |
839 if (data.dlOpts['fitheight'] == null) { | |
650 | 840 settings.dw = imgSize.width; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
841 } |
715 | 842 // if (data.dlOpts['fitwidth'] !== '1') { |
843 if (data.dlOpts['fitwidth'] == null) { | |
650 | 844 settings.dh = imgSize.height; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
845 } |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
846 $img = $('<img/>'); |
686 | 847 scalerUrl = getScalerUrl(data); |
848 // embedded mode -- try to keep img tag | |
609 | 849 } else { |
725 | 850 $elem.addClass('dl_embedded'); |
623 | 851 $img = $elem.find('img'); |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
852 if ($img.length > 0) { |
686 | 853 console.debug("img detach:", $img); |
854 scalerUrl = $img.attr('src'); | |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
855 $img.detach(); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
856 } else { |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
857 $img = $('<img/>'); |
686 | 858 scalerUrl = getScalerUrl(data); |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
859 } |
608 | 860 } |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
861 // create new html |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
862 $elem.empty(); // TODO: should we keep stuff for customization? |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
863 var $scaler = $('<div class="scaler"/>'); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
864 $elem.append($scaler); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
865 $scaler.append($img); |
622 | 866 $img.addClass('pic'); |
649 | 867 data.$scaler = $scaler; |
636 | 868 data.$img = $img; |
687 | 869 // setup image load handler before setting the src attribute (IE bug) |
870 $img.load(scalerImgLoadedHandler(data)); | |
871 $img.attr('src', scalerUrl); | |
608 | 872 }; |
615 | 873 |
610 | 874 // creates HTML structure for buttons in elem |
697 | 875 var createButtons = function (data, buttonSetIdx) { |
647 | 876 var $elem = data.$elem; |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
877 var settings = data.settings; |
665 | 878 var mode = settings.interactionMode; |
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
879 var buttonSettings = settings.buttonSettings[mode]; |
682 | 880 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
690 | 881 if (buttonGroup == null) { |
882 // no buttons here | |
883 return; | |
884 } | |
885 var $buttonsDiv = $('<div class="buttons"/>'); | |
682 | 886 var buttonNames = buttonSettings[buttonGroup]; |
887 for (var i = 0; i < buttonNames.length; i++) { | |
888 var buttonName = buttonNames[i]; | |
889 var buttonConfig = settings.buttons[buttonName]; | |
665 | 890 // construct the button html |
891 var $button = $('<div class="button"></div>'); | |
892 var $a = $('<a/>'); | |
893 var $img = $('<img class="button"/>'); | |
894 $buttonsDiv.append($button); | |
895 $button.append($a); | |
896 $a.append($img); | |
897 // add attributes and bindings | |
898 $button.attr('title', buttonConfig.tooltip); | |
682 | 899 $button.addClass('button-' + buttonName); |
665 | 900 // create handler for the buttons |
901 $a.bind('click.digilib', (function () { | |
902 // we create a new closure to capture the value of action | |
903 var action = buttonConfig.onclick; | |
904 if ($.isArray(action)) { | |
905 // the handler function calls digilib with action and parameters | |
906 return function (evt) { | |
907 console.debug('click action=', action, ' evt=', evt); | |
908 $elem.digilib.apply($elem, action); | |
909 return false; | |
910 }; | |
911 } else { | |
912 // the handler function calls digilib with action | |
913 return function (evt) { | |
914 console.debug('click action=', action, ' evt=', evt); | |
915 $elem.digilib(action); | |
916 return false; | |
917 }; | |
918 } | |
919 })()); | |
920 $img.attr('src', buttonSettings.imagePath + buttonConfig.img); | |
690 | 921 } |
662 | 922 // make buttons div scroll if too large for window |
923 if ($buttonsDiv.height() > $(window).height() - 10) { | |
924 $buttonsDiv.css('position', 'absolute'); | |
925 } | |
697 | 926 // buttons hidden at first |
927 $buttonsDiv.hide(); | |
928 $elem.append($buttonsDiv); | |
682 | 929 if (data.$buttonSets == null) { |
697 | 930 // first button set |
682 | 931 data.$buttonSets = [$buttonsDiv]; |
932 } else { | |
690 | 933 $elem.append($buttonsDiv); |
682 | 934 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
935 } | |
612 | 936 return $buttonsDiv; |
610 | 937 }; |
615 | 938 |
723 | 939 // returns URL for bird's eye view image |
940 var getBirdImgUrl = function (data) { | |
941 var settings = data.settings; | |
942 var birdDivOptions = { | |
943 dw : settings.birdDivWidth, | |
944 dh : settings.birdDivHeight | |
945 }; | |
946 var birdSettings = $.extend({}, settings, birdDivOptions); | |
947 // use only the relevant parameters | |
948 var birdUrl = settings.scalerBaseUrl + '?' + | |
949 getParamString(birdSettings, settings.birdDivParams); | |
950 return birdUrl; | |
951 }; | |
952 | |
615 | 953 // creates HTML structure for the bird's eye view in elem |
638 | 954 var setupBirdDiv = function (data) { |
647 | 955 var $elem = data.$elem; |
615 | 956 // the bird's eye div |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
957 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
615 | 958 // the detail indicator frame |
726 | 959 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
615 | 960 // the small image |
961 var $birdImg = $('<img class="birdimg"/>'); | |
723 | 962 data.$birdDiv = $birdDiv; |
963 data.$birdZoom = $birdZoom; | |
964 data.$birdImg = $birdImg; | |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
965 $elem.append($birdDiv); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
966 $birdDiv.append($birdZoom); |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
967 $birdDiv.append($birdImg); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
968 $birdZoom.css(data.settings.birdIndicatorStyle); |
723 | 969 var birdUrl = getBirdImgUrl(data); |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
970 $birdImg.load(birdImgLoadedHandler(data)); |
723 | 971 $birdImg.attr('src', birdUrl); |
972 }; | |
973 | |
974 // update bird's eye view | |
975 var updateBirdDiv = function (data) { | |
976 if (!data.settings.isBirdDivVisible) return; | |
977 var $birdImg = data.$birdImg; | |
978 var oldsrc = $birdImg.attr('src'); | |
979 var newsrc = getBirdImgUrl(data); | |
980 if (oldsrc !== newsrc) { | |
981 $birdImg.attr('src', newsrc); | |
982 // onload handler re-renders | |
983 } else { | |
984 // re-render | |
985 renderBirdArea(data); | |
986 } | |
719
3da6db751448
change birdview along with scalerUrl in embedded mode
hertzhaft
parents:
718
diff
changeset
|
987 }; |
3da6db751448
change birdview along with scalerUrl in embedded mode
hertzhaft
parents:
718
diff
changeset
|
988 |
625 | 989 // creates HTML structure for the about view in elem |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
990 var setupAboutDiv = function (data) { |
647 | 991 var $elem = data.$elem; |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
992 var settings = data.settings; |
625 | 993 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
616 | 994 var $header = $('<p>Digilib Graphic Viewer</p>'); |
995 var $link = $('<a/>'); | |
996 var $logo = $('<img class="logo" title="digilib"/>'); | |
997 var $content = $('<p/>'); | |
998 $elem.append($aboutDiv); | |
999 $aboutDiv.append($header); | |
1000 $aboutDiv.append($link); | |
1001 $aboutDiv.append($content); | |
1002 $link.append($logo); | |
1003 $logo.attr('src', settings.logoUrl); | |
635 | 1004 $link.attr('href', settings.homeUrl); |
616 | 1005 $content.text('Version: ' + settings.version); |
635 | 1006 // click hides |
649 | 1007 $aboutDiv.bind('click.digilib', function () { |
646 | 1008 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
649 | 1009 return false; |
710 | 1010 }); |
635 | 1011 data.$aboutDiv = $aboutDiv; |
634 | 1012 }; |
1013 | |
635 | 1014 // shows some window e.g. 'about' (toggle visibility if show is null) |
1015 var showDiv = function (isVisible, $div, show) { | |
645 | 1016 if (show == null) { |
635 | 1017 // toggle visibility |
1018 isVisible = !isVisible; | |
1019 } else { | |
1020 // set visibility | |
1021 isVisible = show; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1022 } |
635 | 1023 if (isVisible) { |
1024 $div.fadeIn(); | |
1025 } else { | |
1026 $div.fadeOut(); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1027 } |
635 | 1028 return isVisible; |
634 | 1029 }; |
616 | 1030 |
697 | 1031 // display more (or less) button sets |
1032 var showButtons = function (data, more, setIdx, animated) { | |
711 | 1033 var atime = animated ? 'fast': 0; |
697 | 1034 if (more) { |
1035 // add set | |
1036 var $otherSets = data.$elem.find('div.buttons:visible'); | |
1037 var $set; | |
1038 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
1039 // set exists | |
1040 $set = data.$buttonSets[setIdx]; | |
1041 } else { | |
1042 $set = createButtons(data, setIdx); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1043 } |
697 | 1044 if ($set == null) return false; |
1045 var btnWidth = $set.width(); | |
1046 // move remaining sets left and show new set | |
711 | 1047 if ($otherSets.length > 0) { |
1048 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
1049 function () {$set.show();}); | |
697 | 1050 } else { |
1051 $set.show(); | |
711 | 1052 } |
697 | 1053 } else { |
1054 // remove set | |
1055 var $set = data.$buttonSets[setIdx]; | |
1056 if ($set == null) return false; | |
1057 var btnWidth = $set.width(); | |
1058 // hide last set | |
1059 $set.hide(); | |
1060 // take remaining sets and move right | |
1061 var $otherSets = data.$elem.find('div.buttons:visible'); | |
711 | 1062 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
1063 } | |
697 | 1064 return true; |
1065 }; | |
1066 | |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1067 // create Transform from area and $img |
675 | 1068 var getImgTrafo = function ($img, area, rot, hmir, vmir) { |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1069 var picrect = geom.rectangle($img); |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1070 var trafo = geom.transform(); |
675 | 1071 // move zoom area offset to center |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1072 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
675 | 1073 // scale zoom area size to [1,1] |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1074 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
675 | 1075 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
1076 if (rot || hmir || vmir) { | |
1077 // move [0.5,0.5] to center | |
1078 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
1079 if (hmir) { | |
1080 // mirror about center | |
1081 trafo.concat(trafo.getMirror('y')); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1082 } |
675 | 1083 if (vmir) { |
1084 // mirror about center | |
1085 trafo.concat(trafo.getMirror('x')); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1086 } |
675 | 1087 if (rot) { |
1088 // rotate around center | |
1089 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1090 } |
675 | 1091 // move back |
1092 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1093 } |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1094 // scale to screen position and size |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1095 trafo.concat(trafo.getScale(picrect)); |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1096 trafo.concat(trafo.getTranslation(picrect)); |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1097 return trafo; |
655 | 1098 }; |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1099 |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1100 // returns function for load event of scaler img |
636 | 1101 var scalerImgLoadedHandler = function (data) { |
633 | 1102 return function () { |
723 | 1103 var $img = $(this); |
627 | 1104 console.debug("img loaded! this=", this, " data=", data); |
1105 // create Transform from current area and picsize | |
675 | 1106 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
1107 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir); | |
686 | 1108 console.debug("imgTrafo=", data.imgTrafo); |
720 | 1109 // set scaler div size explicitly in case $img is hidden (for zoomDrag) |
1110 var $imgRect = geom.rectangle(data.$img); | |
1111 console.debug("imgrect=", $imgRect); | |
1112 $imgRect.adjustDiv(data.$scaler); | |
715 | 1113 // show image in case it was hidden (for example in zoomDrag) |
1114 $img.show(); | |
627 | 1115 // display marks |
633 | 1116 renderMarks(data); |
695
5c39f5dd6296
cookie control for birdview, works for fullscreen
hertzhaft
parents:
693
diff
changeset
|
1117 // TODO: digilib.showArrows(); // show arrow overlays for zoom navigation |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1118 }; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1119 }; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1120 |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1121 // 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.
robcast
parents:
656
diff
changeset
|
1122 var birdImgLoadedHandler = function (data) { |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1123 return function () { |
723 | 1124 var $img = $(this); |
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1125 console.debug("birdimg loaded! this=", this, " data=", data); |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1126 // create Transform from current area and picsize |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1127 data.birdTrafo = getImgTrafo($img, MAX_ZOOMAREA); |
668 | 1128 // display red indicator around zoomarea |
723 | 1129 renderBirdArea(data); |
1130 // enable click and drag | |
1131 birdMoveArea(data); | |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1132 }; |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1133 }; |
633 | 1134 |
1135 // place marks on the image | |
1136 var renderMarks = function (data) { | |
647 | 1137 var $elem = data.$elem; |
643 | 1138 var marks = data.marks; |
649 | 1139 // TODO: clear marks first(?) |
633 | 1140 for (var i = 0; i < marks.length; i++) { |
1141 var mark = marks[i]; | |
643 | 1142 if (data.zoomArea.containsPosition(mark)) { |
633 | 1143 var mpos = data.imgTrafo.transform(mark); |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1144 console.debug("renderMarks: mpos=",mpos); |
633 | 1145 // create mark |
1146 var html = '<div class="mark">'+(i+1)+'</div>'; | |
1147 var $mark = $(html); | |
1148 $elem.append($mark); | |
654 | 1149 $mark.offset({left : mpos.x, top : mpos.y}); |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1150 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1151 } |
633 | 1152 }; |
655 | 1153 |
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1154 // show zoom area indicator on bird's eye view |
723 | 1155 var renderBirdArea = function (data) { |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1156 var $birdZoom = data.$birdZoom; |
659 | 1157 var zoomArea = data.zoomArea; |
723 | 1158 var normalSize = isFullArea(zoomArea); |
1159 if (normalSize) { | |
1160 $birdZoom.hide(); | |
1161 return; | |
1162 } else { | |
1163 $birdZoom.show(); | |
1164 } | |
659 | 1165 var indRect = data.birdTrafo.transform(zoomArea); |
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1166 var coords = { |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1167 left : indRect.x-2, // acount for frame width |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1168 top : indRect.y-2, |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1169 width : indRect.width, |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1170 height: indRect.height |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1171 }; |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1172 if (data.settings.interactionMode === 'fullscreen') { |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1173 // no animation for fullscreen |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1174 $birdZoom.width(coords.width); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1175 $birdZoom.height(coords.height); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1176 $birdZoom.offset(coords); |
723 | 1177 } else { |
1178 // nice animation for embedded mode :-) | |
726 | 1179 var ppos = $birdZoom.offsetParent().offset(); |
1180 // correct offsetParent because animate is relative | |
1181 coords.left = (coords.left - ppos.left) + 'px' ; | |
1182 coords.top = (coords.top - ppos.top) + 'px'; | |
725 | 1183 $birdZoom.animate(coords); |
723 | 1184 } |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1185 }; |
659 | 1186 |
647 | 1187 // zooms by the given factor |
643 | 1188 var zoomBy = function(data, factor) { |
1189 var area = data.zoomArea; | |
1190 var newarea = area.copy(); | |
1191 // scale | |
1192 newarea.width /= factor; | |
1193 newarea.height /= factor; | |
1194 // and recenter | |
1195 newarea.x -= 0.5 * (newarea.width - area.width); | |
1196 newarea.y -= 0.5 * (newarea.height - area.height); | |
1197 newarea = MAX_ZOOMAREA.fit(newarea); | |
1198 data.zoomArea = newarea; | |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1199 redisplay(data); |
643 | 1200 }; |
1201 | |
647 | 1202 // add a mark where clicked |
1203 var setMark = function (data) { | |
649 | 1204 var $scaler = data.$scaler; |
647 | 1205 // start event capturing |
649 | 1206 $scaler.one('click.digilib', function (evt) { |
647 | 1207 // event handler adding a new mark |
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1208 var mpos = geom.position(evt); |
647 | 1209 var pos = data.imgTrafo.invtransform(mpos); |
1210 data.marks.push(pos); | |
1211 redisplay(data); | |
649 | 1212 return false; // do we even get here? |
647 | 1213 }); |
1214 }; | |
668 | 1215 |
654 | 1216 var zoomArea = function(data) { |
1217 $elem = data.$elem; | |
1218 $scaler = data.$scaler; | |
1219 var pt1, pt2; | |
1220 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
1221 $elem.append($zoomDiv); | |
668 | 1222 $zoomDiv.css(data.settings.zoomrectStyle); |
654 | 1223 var picRect = geom.rectangle($scaler); |
1224 // FIX ME: is there a way to query the border width from CSS info? | |
1225 // rect.x -= 2; // account for overlay borders | |
1226 // rect.y -= 2; | |
1227 | |
1228 var zoomStart = function (evt) { | |
1229 pt1 = geom.position(evt); | |
1230 // setup and show zoom div | |
1231 //moveElement(zoomdiv, Rectangle(pt1.x, pt1.y, 0, 0)); | |
1232 $zoomDiv.offset({left : pt1.x, top : pt1.y}); | |
668 | 1233 $zoomDiv.width(0).height(0); |
654 | 1234 $zoomDiv.show(); |
1235 // register events | |
1236 $elem.bind("mousemove.digilib", zoomMove); | |
1237 $elem.bind("mouseup.digilib", zoomEnd); | |
1238 return false; | |
1239 }; | |
668 | 1240 |
654 | 1241 // mouseup handler: end moving |
1242 var zoomEnd = function (evt) { | |
1243 pt2 = geom.position(evt); | |
1244 // assume a click and continue if the area is too small | |
1245 var clickRect = geom.rectangle(pt1, pt2); | |
710 | 1246 if (clickRect.getArea() <= 5) return false; |
654 | 1247 // hide zoom div |
1248 $zoomDiv.remove(); | |
1249 // unregister events | |
1250 $elem.unbind("mousemove.digilib", zoomMove); | |
1251 $elem.unbind("mouseup.digilib", zoomEnd); | |
1252 // clip and transform | |
1253 clickRect.clipTo(picRect); | |
1254 var area = data.imgTrafo.invtransform(clickRect); | |
1255 data.zoomArea = area; | |
1256 // zoomed is always fit | |
1257 data.settings.ws = 1; | |
1258 redisplay(data); | |
1259 return false; | |
1260 }; | |
668 | 1261 |
654 | 1262 // mouse move handler |
1263 var zoomMove = function (evt) { | |
1264 pt2 = geom.position(evt); | |
1265 var rect = geom.rectangle(pt1, pt2); | |
1266 rect.clipTo(picRect); | |
1267 // update zoom div | |
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1268 rect.adjustDiv($zoomDiv); |
654 | 1269 return false; |
1270 }; | |
668 | 1271 |
654 | 1272 // bind start zoom handler |
1273 $scaler.one('mousedown.digilib', zoomStart); | |
1274 }; | |
647 | 1275 |
723 | 1276 // bird's eye view zoom area click and drag handler |
1277 var birdMoveArea = function(data) { | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1278 var $birdImg = data.$birdImg; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1279 var $birdZoom = data.$birdZoom; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1280 var startPos, newRect, birdImgRect, birdZoomRect; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1281 |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1282 var birdZoomMove = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1283 // mousemove handler: drag |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1284 var pos = geom.position(evt); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1285 var dx = pos.x - startPos.x; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1286 var dy = pos.y - startPos.y; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1287 // move birdZoom div, keeping size |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1288 newRect = geom.rectangle( |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1289 birdZoomRect.x + dx, |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1290 birdZoomRect.y + dy, |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1291 birdZoomRect.width, |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1292 birdZoomRect.height); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1293 // stay within birdimage |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1294 newRect.stayInside(birdImgRect); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1295 $birdZoom.offset({left : newRect.x, top : newRect.y}); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1296 // $birdZoom.show(); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1297 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1298 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1299 |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1300 var birdZoomEndDrag = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1301 // mouseup handler: reload page |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1302 var settings = data.settings; |
680 | 1303 $(document).unbind("mousemove.digilib", birdZoomMove); |
1304 $(document).unbind("mouseup.digilib", birdZoomEndDrag); | |
1305 $birdZoom.unbind("mousemove.digilib", birdZoomMove); | |
1306 $birdZoom.unbind("mouseup.digilib", birdZoomEndDrag); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1307 if (newRect == null) { // no movement happened |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1308 startPos = birdZoomRect.getCenter(); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1309 birdZoomMove(evt); // set center to click position |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1310 } |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1311 if (data.zoomArea) { |
679 | 1312 // should always be true |
1313 var x = cropFloat((newRect.x - birdImgRect.x + 2) / birdImgRect.width); | |
1314 var y = cropFloat((newRect.y - birdImgRect.y + 2) / birdImgRect.height); | |
1315 data.zoomArea.x = x; | |
1316 data.zoomArea.y = y; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1317 } |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1318 settings.ws = 1; // zoomed is always fit |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1319 redisplay(data); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1320 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1321 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1322 |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1323 var birdZoomStartDrag = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1324 // mousedown handler: start dragging bird zoom to a new position |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1325 startPos = geom.position(evt); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1326 birdImgRect = geom.rectangle($birdImg); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1327 birdZoomRect = geom.rectangle($birdZoom); |
680 | 1328 $(document).bind("mousemove.digilib", birdZoomMove); |
1329 $(document).bind("mouseup.digilib", birdZoomEndDrag); | |
1330 $birdZoom.bind("mousemove.digilib", birdZoomMove); | |
1331 $birdZoom.bind("mouseup.digilib", birdZoomEndDrag); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1332 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1333 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1334 |
681 | 1335 $birdImg.bind("mousedown.digilib", birdZoomStartDrag); |
1336 $birdZoom.bind("mousedown.digilib", birdZoomStartDrag); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1337 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1338 |
705 | 1339 var setupZoomDrag = function(data) { |
1340 // setup handlers for dragging the zoomed image | |
1341 var pt1, pt2; | |
1342 var dx = 0; | |
1343 var dy = 0; | |
1344 var $elem = data.$elem; | |
1345 var $scaler = data.$scaler; | |
1346 var $img = data.$img; | |
710 | 1347 |
705 | 1348 var dragStart = function (evt) { |
1349 // drag the image and load a new detail on mouse up | |
1350 // useless if not zoomed | |
1351 if (isFullArea(data.zoomArea)) return false; | |
1352 pt1 = geom.position(evt); | |
1353 $imgRect = geom.rectangle($img); | |
715 | 1354 // keep scaler div size while $img is hidden (for embedded mode) |
1355 $imgRect.adjustDiv($scaler); | |
705 | 1356 // hide the scaler image, show it as background of div instead |
715 | 1357 $scaler.css({ |
705 | 1358 'background-image' : 'url(' + $img.attr('src') + ')', |
1359 'background-repeat' : 'no-repeat', | |
706 | 1360 'background-position' : 'top left', |
705 | 1361 'cursor' : 'move' |
1362 }); | |
1363 $img.hide(); | |
1364 $(document).bind("mousemove.digilib", dragMove); | |
1365 $(document).bind("mouseup.digilib", dragEnd); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1366 return false; |
705 | 1367 }; |
710 | 1368 |
705 | 1369 var dragMove = function (evt) { |
715 | 1370 // mousemove handler: drag zoomed image |
705 | 1371 var pos = geom.position(evt); |
1372 dx = pos.x - pt1.x; | |
1373 dy = pos.y - pt1.y; | |
1374 // move the background image to the new position | |
715 | 1375 $scaler.css({ |
705 | 1376 'background-position' : dx + "px " + dy + "px" |
1377 }); | |
1378 return false; | |
1379 }; | |
710 | 1380 |
705 | 1381 var dragEnd = function (evt) { |
715 | 1382 // mouseup handler: reload zoomed image in new position |
1383 $scaler.css({ | |
722
73cac710bea4
still the strange bug when dragging the zoomed image in embedded mode
hertzhaft
parents:
721
diff
changeset
|
1384 'background-image' : 'none', |
705 | 1385 'cursor' : 'default' |
1386 }); | |
1387 $(document).unbind("mousemove.digilib", dragMove); | |
1388 $(document).unbind("mouseup.digilib", dragEnd); | |
1389 // calculate relative offset | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1390 if (dx === 0 && dy === 0) return false; // no movement |
705 | 1391 // reload with scaler image showing the new ausschnitt |
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1392 // digilib.moveBy(x, y); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1393 var pos = geom.position(-dx, -dy); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1394 var newPos = data.imgTrafo.invtransform(pos); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1395 var newArea = data.zoomArea.setPt1(newPos); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1396 data.zoomArea = MAX_ZOOMAREA.fit(newArea); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1397 redisplay(data); |
705 | 1398 return false; |
1399 }; | |
1400 | |
1401 $scaler.bind("mousedown.digilib", dragStart); | |
1402 }; | |
1403 | |
703 | 1404 // get image quality as a number (0..2) |
1405 var getQuality = function (data) { | |
1406 var flags = data.scalerFlags; | |
1407 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
1408 return parseInt(q[1], 10); | |
706 | 1409 }; |
703 | 1410 |
1411 // set image quality as a number (0..2) | |
1412 var setQuality = function (data, qual) { | |
1413 var flags = data.scalerFlags; | |
1414 // clear flags | |
1415 for (var i = 0; i < 3; ++i) { | |
1416 delete flags['q'+i]; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1417 } |
703 | 1418 flags['q'+qual] = 'q'+qual; |
706 | 1419 }; |
710 | 1420 |
650 | 1421 // sets a key to a value (relative values with +/- if relative=true) |
1422 var setNumValue = function(settings, key, value) { | |
716 | 1423 if (value == null) return null; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1424 if (isNumber(value)) { |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1425 settings[key] = value; |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1426 return value; |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1427 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1428 var sign = value[0]; |
650 | 1429 if (sign === '+' || sign === '-') { |
1430 if (settings[key] == null) { | |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1431 // this isn't perfect but still... |
650 | 1432 settings[key] = 0; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1433 } |
650 | 1434 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
1435 } else { | |
1436 settings[key] = value; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1437 } |
650 | 1438 return settings[key]; |
1439 }; | |
655 | 1440 |
1441 // auxiliary function (from old dllib.js) | |
659 | 1442 isFullArea = function(area) { |
1443 return (area.width === 1.0) && (area.height === 1.0); | |
655 | 1444 }; |
1445 | |
641 | 1446 // auxiliary function (from Douglas Crockford, A.10) |
1447 var isNumber = function isNumber(value) { | |
710 | 1448 return typeof value === 'number' && isFinite(value); |
641 | 1449 }; |
655 | 1450 |
631 | 1451 // auxiliary function to crop senseless precision |
1452 var cropFloat = function (x) { | |
637 | 1453 return parseInt(10000 * x, 10) / 10000; |
631 | 1454 }; |
655 | 1455 |
692 | 1456 // fallback for console.log calls |
1457 if (customConsole) { | |
1458 var logFunction = function(type) { | |
1459 return function(){ | |
1460 var $debug = $('#debug'); // debug div | |
1461 if (!$debug) return; | |
1462 var args = Array.prototype.slice.call(arguments); | |
1463 var argtext = args.join(' '); | |
1464 var $logDiv = $('<div/>'); | |
1465 $logDiv.addClass(type); | |
1466 $logDiv.text(argtext); | |
1467 $debug.append($logDiv); | |
1468 }; | |
1469 }; | |
1470 console.log = logFunction('_log'); | |
1471 console.debug = logFunction('_debug'); | |
1472 console.error = logFunction('_error'); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1473 } |
692 | 1474 |
605 | 1475 // hook plugin into jquery |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1476 $.fn.digilib = function(action) { |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1477 if (actions[action]) { |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1478 // call action on this with the remaining arguments (inserting data as first argument) |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1479 var $elem = $(this); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1480 var data = $elem.data('digilib'); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1481 var args = Array.prototype.slice.call(arguments, 1); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1482 args.unshift(data); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1483 return actions[action].apply(this, args); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1484 } else if (typeof(action) === 'object' || !action) { |
634 | 1485 // call init on this |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1486 return actions.init.apply(this, arguments); |
605 | 1487 } else { |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1488 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1489 } |
605 | 1490 }; |
692 | 1491 |
604 | 1492 })(jQuery); |