Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 730:fec653a3094e jquery
better birdMoveArea, now called setupBirdDrag.
author | robcast |
---|---|
date | Tue, 01 Feb 2011 16:03:57 +0100 |
parents | 84ad95fd3202 |
children | d69a72e8562f |
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); | |
728 | 298 // ignore fn and pn from cookie TODO: should we keep pn? |
299 delete cp.fn; | |
300 delete cp.pn; | |
301 jQuery.extend(params, cp); | |
727 | 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 |
728 | 306 elemSettings = jQuery.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(?) | |
384 data.marks = []; | |
385 data.zoomArea = MAX_ZOOMAREA; | |
386 // then reload | |
387 redisplay(data); | |
388 }, | |
654 | 389 |
668 | 390 // zoom by a given factor |
391 zoomBy : function (data, factor) { | |
392 zoomBy(data, factor); | |
393 }, | |
647 | 394 |
668 | 395 // zoom interactively |
396 zoomArea : function (data) { | |
397 zoomArea(data); | |
398 }, | |
650 | 399 |
668 | 400 // zoom out to full page |
401 zoomFull : function (data, mode) { | |
402 data.zoomArea = MAX_ZOOMAREA; | |
403 if (mode === 'width') { | |
404 data.dlOpts.fitwidth = 1; | |
405 delete data.dlOpts.fitheight; | |
406 } else if (mode === 'height') { | |
407 data.dlOpts.fitheight = 1; | |
408 delete data.dlOpts.fitwidth; | |
409 } else { | |
410 delete data.dlOpts.fitwidth; | |
411 delete data.dlOpts.fitheight; | |
412 } | |
413 redisplay(data); | |
414 }, | |
415 | |
416 // set a mark by clicking (or giving a position) | |
417 setMark : function (data, mpos) { | |
418 if (mpos == null) { | |
419 // interactive | |
420 setMark(data); | |
421 } else { | |
422 // use position | |
423 data.marks.push(pos); | |
663 | 424 redisplay(data); |
604 | 425 } |
668 | 426 }, |
427 | |
428 // remove the last mark | |
429 removeMark : function (data) { | |
430 data.marks.pop(); | |
431 redisplay(data); | |
432 }, | |
433 | |
434 // mirror the image | |
435 mirror : function (data, mode) { | |
436 var flags = data.scalerFlags; | |
437 if (mode === 'h') { | |
438 if (flags.hmir) { | |
439 delete flags.hmir; | |
440 } else { | |
441 flags.hmir = 1; | |
442 } | |
443 } else { | |
444 if (flags.vmir) { | |
445 delete flags.vmir; | |
446 } else { | |
447 flags.vmir = 1; | |
448 } | |
449 } | |
450 redisplay(data); | |
451 }, | |
650 | 452 |
668 | 453 // rotate the image |
454 rotate : function (data, angle) { | |
455 var rot = data.settings.rot; | |
456 if (angle == null) { | |
457 angle = window.prompt("Rotation angle:", rot); | |
458 } | |
459 data.settings.rot = angle; | |
460 redisplay(data); | |
461 }, | |
462 | |
463 // change brightness | |
464 brightness : function (data, factor) { | |
465 var brgt = data.settings.brgt; | |
466 if (factor == null) { | |
467 factor = window.prompt("Brightness (-255..255)", brgt); | |
468 } | |
469 data.settings.brgt = factor; | |
470 redisplay(data); | |
471 }, | |
472 | |
473 // change contrast | |
474 contrast : function (data, factor) { | |
475 var cont = data.settings.cont; | |
476 if (factor == null) { | |
477 factor = window.prompt("Contrast (-8, 8)", cont); | |
478 } | |
479 data.settings.cont = factor; | |
480 redisplay(data); | |
688 | 481 }, |
710 | 482 |
690 | 483 // display more (or less) button sets |
484 morebuttons : function (data, more) { | |
696 | 485 var settings = data.settings; |
699 | 486 if (more == null) { |
703 | 487 // toggle more or less (only works for 2 sets) |
699 | 488 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
489 if (settings.visibleButtonSets >= maxbtns) { | |
490 more = '-1'; | |
491 } else { | |
492 more = '+1'; | |
493 } | |
494 } | |
690 | 495 if (more === '-1') { |
496 // remove set | |
697 | 497 var setIdx = settings.visibleButtonSets - 1; |
498 if (showButtons(data, false, setIdx, true)) { | |
499 settings.visibleButtonSets--; | |
500 } | |
690 | 501 } else { |
502 // add set | |
697 | 503 var setIdx = settings.visibleButtonSets; |
504 if (showButtons(data, true, setIdx, true)) { | |
505 settings.visibleButtonSets++; | |
690 | 506 } |
507 } | |
723 | 508 // persist setting |
509 storeOptions(data); | |
691 | 510 }, |
688 | 511 |
703 | 512 // reset image parameters to defaults |
688 | 513 reset : function (data) { |
514 var settings = data.settings; | |
515 var paramNames = settings.digilibParamNames; | |
516 var params = data.queryParams; | |
709 | 517 // resets zoomArea, marks, scalerflags |
688 | 518 resetData(data); |
519 // delete all digilib parameters | |
520 for (var i = 0; i < paramNames.length; i++) { | |
521 var paramName = paramNames[i]; | |
522 delete settings[paramName]; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
523 } |
688 | 524 // fullscreen: restore only fn/pn parameters |
525 if (settings.interactionMode === 'fullscreen') { | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
526 settings.fn = params.fn || ''; // no default defined |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
527 settings.pn = params.pn || defaults.pn; |
688 | 528 // embedded: restore original parameters |
529 } else { | |
530 $.extend(settings, params); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
531 } |
709 | 532 // TODO: should we really reset all user preferences here? |
533 settings.isBirdDivVisible = false; | |
534 settings.visibleButtonSets = 1; | |
712 | 535 delete data.dlOpts.fitwidth; |
536 delete data.dlOpts.fitheight; | |
688 | 537 redisplay(data); |
689 | 538 }, |
539 | |
703 | 540 // presents a reference url (returns value if noprompt) |
541 reference : function (data, noprompt) { | |
689 | 542 var settings = data.settings; |
543 var url; | |
544 if (settings.interactionMode === 'fullscreen') { | |
545 url = getDigilibUrl(data); | |
546 } else { | |
547 url = getScalerUrl(data); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
548 } |
703 | 549 if (noprompt == null) { |
550 window.prompt("URL reference to the current view", url); | |
551 } | |
552 return url; | |
553 }, | |
710 | 554 |
703 | 555 // set image quality |
556 setquality : function (data, qual) { | |
557 var oldq = getQuality(data); | |
558 if (qual == null) { | |
559 qual = window.prompt("Image quality (0..2)", oldq); | |
560 } | |
561 qual = parseInt(qual, 10); | |
562 if (qual >= 0 && qual <= 2) { | |
563 setQuality(data, qual); | |
564 redisplay(data); | |
565 } | |
668 | 566 } |
605 | 567 }; |
604 | 568 |
608 | 569 // returns parameters from page url |
607 | 570 var parseQueryParams = function() { |
636 | 571 return parseQueryString(window.location.search.slice(1)); |
572 }; | |
655 | 573 |
636 | 574 // returns parameters from embedded img-element |
607 | 575 var parseImgParams = function($elem) { |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
576 var src = $elem.find('img').first().attr('src'); |
710 | 577 if (!src) return null; |
607 | 578 var pos = src.indexOf('?'); |
579 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
580 var scalerUrl = src.substring(0, pos); | |
627 | 581 var params = parseQueryString(query); |
582 params.scalerBaseUrl = scalerUrl; | |
583 return params; | |
636 | 584 }; |
607 | 585 |
608 | 586 // parses query parameter string into parameter object |
607 | 587 var parseQueryString = function(query) { |
701 | 588 var params = {}; |
589 if (query == null) return params; | |
607 | 590 var pairs = query.split("&"); |
636 | 591 //var keys = []; |
607 | 592 for (var i = 0; i < pairs.length; i++) { |
593 var pair = pairs[i].split("="); | |
594 if (pair.length === 2) { | |
627 | 595 params[pair[0]] = pair[1]; |
636 | 596 //keys.push(pair[0]); |
634 | 597 } |
636 | 598 } |
627 | 599 return params; |
636 | 600 }; |
668 | 601 |
643 | 602 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
603 var getParamString = function (settings, keys, defaults) { | |
615 | 604 var paramString = ''; |
650 | 605 var nx = false; |
615 | 606 for (i = 0; i < keys.length; ++i) { |
607 var key = keys[i]; | |
663 | 608 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
615 | 609 // first param gets no '&' |
650 | 610 if (nx) { |
611 paramString += '&'; | |
612 } else { | |
613 nx = true; | |
614 } | |
615 | 615 // add parm=val |
616 paramString += key + '=' + settings[key]; | |
643 | 617 } |
615 | 618 } |
619 return paramString; | |
631 | 620 }; |
621 | |
636 | 622 // returns URL and query string for Scaler |
623 var getScalerUrl = function (data) { | |
653 | 624 var settings = data.settings; |
652 | 625 if (settings.scalerBaseUrl == null) { |
626 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
|
627 } |
665 | 628 packParams(data); |
636 | 629 var keys = settings.scalerParamNames; |
643 | 630 var queryString = getParamString(settings, keys, defaults); |
636 | 631 var url = settings.scalerBaseUrl + '?' + queryString; |
632 return url; | |
633 }; | |
634 | |
635 // 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
|
636 var getDigilibUrl = function (data) { |
643 | 637 packParams(data); |
636 | 638 var settings = data.settings; |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
639 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
636 | 640 var url = window.location.toString(); |
641 var pos = url.indexOf('?'); | |
642 var baseUrl = url.substring(0, pos); | |
643 var newurl = baseUrl + '?' + queryString; | |
644 return newurl; | |
645 }; | |
646 | |
655 | 647 // processes some parameters into objects and stuff |
631 | 648 var unpackParams = function (data) { |
649 var settings = data.settings; | |
636 | 650 // zoom area |
631 | 651 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
643 | 652 data.zoomArea = zoomArea; |
636 | 653 // marks |
631 | 654 var marks = []; |
650 | 655 if (settings.mk) { |
656 var mk = settings.mk; | |
657 if (mk.indexOf(";") >= 0) { | |
658 var pa = mk.split(";"); // old format with ";" | |
659 } else { | |
660 var pa = mk.split(","); // new format | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
661 } |
650 | 662 for (var i = 0; i < pa.length ; i++) { |
663 var pos = pa[i].split("/"); | |
664 if (pos.length > 1) { | |
665 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
|
666 } |
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 } |
643 | 669 data.marks = marks; |
650 | 670 // mo (Scaler flags) |
671 var flags = {}; | |
672 if (settings.mo) { | |
673 var pa = settings.mo.split(","); | |
674 for (var i = 0; i < pa.length ; i++) { | |
675 flags[pa[i]] = pa[i]; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
676 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
677 } |
650 | 678 data.scalerFlags = flags; |
723 | 679 retrieveOptions(data); |
655 | 680 }; |
681 | |
631 | 682 // put objects back into parameters |
683 var packParams = function (data) { | |
684 var settings = data.settings; | |
636 | 685 // zoom area |
643 | 686 if (data.zoomArea) { |
647 | 687 settings.wx = cropFloat(data.zoomArea.x); |
688 settings.wy = cropFloat(data.zoomArea.y); | |
689 settings.ww = cropFloat(data.zoomArea.width); | |
690 settings.wh = cropFloat(data.zoomArea.height); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
691 } |
636 | 692 // marks |
643 | 693 if (data.marks) { |
650 | 694 settings.mk = ''; |
643 | 695 for (var i = 0; i < data.marks.length; i++) { |
650 | 696 if (i) { |
697 settings.mk += ','; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
698 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
699 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
|
700 '/' + cropFloat(data.marks[i].y).toString(); |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
701 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
702 } |
650 | 703 // Scaler flags |
704 if (data.scalerFlags) { | |
705 var mo = ''; | |
706 for (var f in data.scalerFlags) { | |
707 if (mo) { | |
708 mo += ','; | |
709 } | |
710 mo += f; | |
711 } | |
712 settings.mo = mo; | |
713 } | |
710 | 714 // user interface options |
723 | 715 storeOptions(data); |
709 | 716 }; |
688 | 717 |
723 | 718 var storeOptions = function (data) { |
701 | 719 // save digilib options in cookie |
709 | 720 // TODO: in embedded mode this is not called |
701 | 721 /* store in parameter clop |
722 * if (data.dlOpts) { | |
723 var clop = ''; | |
724 for (var o in data.dlOpts) { | |
725 if (clop) { | |
650 | 726 clop += ','; |
727 } | |
728 clop += o; | |
729 } | |
730 settings.clop = clop; | |
701 | 731 } */ |
709 | 732 var settings = data.settings; |
733 if (data.dlOpts) { | |
734 // save digilib settings in options | |
735 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
736 data.dlOpts.buttons = settings.visibleButtonSets; | |
737 var clop = ''; | |
738 for (var o in data.dlOpts) { | |
739 if (clop) { | |
740 clop += '&'; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
741 } |
709 | 742 clop += o + '=' + data.dlOpts[o]; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
743 } |
709 | 744 if (jQuery.cookie) { |
745 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
746 console.debug("set cookie=", ck, " value=", clop); | |
747 jQuery.cookie(ck, clop); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
748 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
749 } |
727 | 750 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
751 // store normal parameters in cookie for embedded mode | |
752 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
753 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
754 console.debug("set cookie=", ck, " value=", qs); | |
755 jQuery.cookie(ck, qs); | |
756 } | |
631 | 757 }; |
655 | 758 |
723 | 759 var retrieveOptions = function (data) { |
709 | 760 // clop (digilib options) |
761 var opts = {}; | |
762 var settings = data.settings; | |
763 if (jQuery.cookie) { | |
764 /* read from parameter clop | |
765 * if (settings.clop) { | |
766 var pa = settings.clop.split(","); | |
767 for (var i = 0; i < pa.length ; i++) { | |
768 opts[pa[i]] = pa[i]; | |
769 } | |
770 } */ | |
771 // read from cookie | |
772 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
773 var cp = jQuery.cookie(ck); | |
774 console.debug("get cookie=", ck, " value=", cp); | |
775 // in query string format | |
776 opts = parseQueryString(cp); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
777 } |
709 | 778 data.dlOpts = opts; |
779 // birdview option | |
780 if (opts.birdview != null) { | |
781 settings.isBirdDivVisible = opts.birdview === '1'; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
782 } |
709 | 783 // visible button sets |
784 if (opts.buttons != null) { | |
785 settings.visibleButtonSets = opts.buttons; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
786 } |
711 | 787 }; |
709 | 788 |
688 | 789 // clear digilib data for reset |
790 var resetData = function (data) { | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
791 // TODO: we should reset instead of delete |
688 | 792 if (data.zoomArea) delete data.zoomArea; |
793 if (data.marks) delete data.marks; | |
794 if (data.scalerFlags) delete data.scalerFlags; | |
795 }; | |
796 | |
622 | 797 // (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
|
798 var redisplay = function (data) { |
636 | 799 var settings = data.settings; |
800 if (settings.interactionMode === 'fullscreen') { | |
801 // 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
|
802 var url = getDigilibUrl(data); |
636 | 803 var history = window.history; |
804 if (typeof(history.pushState) === 'function') { | |
805 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
|
806 } |
636 | 807 window.location = url; |
808 } else { | |
809 // embedded mode -- just change img src | |
810 var url = getScalerUrl(data); | |
811 data.$img.attr('src', url); | |
726 | 812 // redisplay bird img |
813 updateBirdDiv(data); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
814 } |
622 | 815 }; |
816 | |
662 | 817 // returns maximum size for scaler img in fullscreen mode |
818 var getFullscreenImgSize = function($elem) { | |
819 var $win = $(window); | |
820 var winH = $win.height(); | |
821 var winW = $win.width(); | |
822 // TODO: account for borders? | |
823 return geom.size(winW, winH); | |
824 }; | |
825 | |
608 | 826 // creates HTML structure for digilib in elem |
627 | 827 var setupScalerDiv = function (data) { |
828 var settings = data.settings; | |
647 | 829 var $elem = data.$elem; |
725 | 830 $elem.addClass('digilib'); |
728 | 831 var $img; |
832 var scalerUrl; | |
608 | 833 if (settings.interactionMode === 'fullscreen') { |
728 | 834 // fullscreen |
725 | 835 $elem.addClass('dl_fullscreen'); |
609 | 836 var imgSize = getFullscreenImgSize($elem); |
650 | 837 // fitwidth/height omits destination height/width |
728 | 838 if (data.dlOpts.fitheight == null) { |
650 | 839 settings.dw = imgSize.width; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
840 } |
728 | 841 if (data.dlOpts.fitwidth == null) { |
650 | 842 settings.dh = imgSize.height; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
843 } |
686 | 844 scalerUrl = getScalerUrl(data); |
728 | 845 $img = $('<img/>'); |
609 | 846 } else { |
728 | 847 // embedded mode -- try to keep img tag |
725 | 848 $elem.addClass('dl_embedded'); |
728 | 849 scalerUrl = getScalerUrl(data); |
623 | 850 $img = $elem.find('img'); |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
851 if ($img.length > 0) { |
728 | 852 oldUrl = $img.attr('src'); |
853 if (oldUrl === scalerUrl) { | |
854 console.debug("img detach:", $img); | |
855 $img.detach(); | |
856 } else { | |
857 $img = $('<img/>'); | |
858 } | |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
859 } else { |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
860 $img = $('<img/>'); |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
861 } |
608 | 862 } |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
863 // create new html |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
864 $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
|
865 var $scaler = $('<div class="scaler"/>'); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
866 $elem.append($scaler); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
867 $scaler.append($img); |
622 | 868 $img.addClass('pic'); |
649 | 869 data.$scaler = $scaler; |
636 | 870 data.$img = $img; |
687 | 871 // setup image load handler before setting the src attribute (IE bug) |
872 $img.load(scalerImgLoadedHandler(data)); | |
873 $img.attr('src', scalerUrl); | |
608 | 874 }; |
615 | 875 |
610 | 876 // creates HTML structure for buttons in elem |
697 | 877 var createButtons = function (data, buttonSetIdx) { |
647 | 878 var $elem = data.$elem; |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
879 var settings = data.settings; |
665 | 880 var mode = settings.interactionMode; |
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
881 var buttonSettings = settings.buttonSettings[mode]; |
682 | 882 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
690 | 883 if (buttonGroup == null) { |
884 // no buttons here | |
885 return; | |
886 } | |
887 var $buttonsDiv = $('<div class="buttons"/>'); | |
682 | 888 var buttonNames = buttonSettings[buttonGroup]; |
889 for (var i = 0; i < buttonNames.length; i++) { | |
890 var buttonName = buttonNames[i]; | |
891 var buttonConfig = settings.buttons[buttonName]; | |
665 | 892 // construct the button html |
893 var $button = $('<div class="button"></div>'); | |
894 var $a = $('<a/>'); | |
895 var $img = $('<img class="button"/>'); | |
896 $buttonsDiv.append($button); | |
897 $button.append($a); | |
898 $a.append($img); | |
899 // add attributes and bindings | |
900 $button.attr('title', buttonConfig.tooltip); | |
682 | 901 $button.addClass('button-' + buttonName); |
665 | 902 // create handler for the buttons |
903 $a.bind('click.digilib', (function () { | |
904 // we create a new closure to capture the value of action | |
905 var action = buttonConfig.onclick; | |
906 if ($.isArray(action)) { | |
907 // the handler function calls digilib with action and parameters | |
908 return function (evt) { | |
909 console.debug('click action=', action, ' evt=', evt); | |
910 $elem.digilib.apply($elem, action); | |
911 return false; | |
912 }; | |
913 } else { | |
914 // the handler function calls digilib with action | |
915 return function (evt) { | |
916 console.debug('click action=', action, ' evt=', evt); | |
917 $elem.digilib(action); | |
918 return false; | |
919 }; | |
920 } | |
921 })()); | |
922 $img.attr('src', buttonSettings.imagePath + buttonConfig.img); | |
690 | 923 } |
662 | 924 // make buttons div scroll if too large for window |
925 if ($buttonsDiv.height() > $(window).height() - 10) { | |
926 $buttonsDiv.css('position', 'absolute'); | |
927 } | |
697 | 928 // buttons hidden at first |
929 $buttonsDiv.hide(); | |
930 $elem.append($buttonsDiv); | |
682 | 931 if (data.$buttonSets == null) { |
697 | 932 // first button set |
682 | 933 data.$buttonSets = [$buttonsDiv]; |
934 } else { | |
690 | 935 $elem.append($buttonsDiv); |
682 | 936 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
937 } | |
612 | 938 return $buttonsDiv; |
610 | 939 }; |
615 | 940 |
723 | 941 // returns URL for bird's eye view image |
942 var getBirdImgUrl = function (data) { | |
943 var settings = data.settings; | |
944 var birdDivOptions = { | |
945 dw : settings.birdDivWidth, | |
946 dh : settings.birdDivHeight | |
947 }; | |
948 var birdSettings = $.extend({}, settings, birdDivOptions); | |
949 // use only the relevant parameters | |
950 var birdUrl = settings.scalerBaseUrl + '?' + | |
951 getParamString(birdSettings, settings.birdDivParams); | |
952 return birdUrl; | |
953 }; | |
954 | |
615 | 955 // creates HTML structure for the bird's eye view in elem |
638 | 956 var setupBirdDiv = function (data) { |
647 | 957 var $elem = data.$elem; |
615 | 958 // 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
|
959 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
615 | 960 // the detail indicator frame |
726 | 961 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
615 | 962 // the small image |
963 var $birdImg = $('<img class="birdimg"/>'); | |
723 | 964 data.$birdDiv = $birdDiv; |
965 data.$birdZoom = $birdZoom; | |
966 data.$birdImg = $birdImg; | |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
967 $elem.append($birdDiv); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
968 $birdDiv.append($birdZoom); |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
969 $birdDiv.append($birdImg); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
970 $birdZoom.css(data.settings.birdIndicatorStyle); |
723 | 971 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
|
972 $birdImg.load(birdImgLoadedHandler(data)); |
723 | 973 $birdImg.attr('src', birdUrl); |
974 }; | |
975 | |
976 // update bird's eye view | |
977 var updateBirdDiv = function (data) { | |
978 if (!data.settings.isBirdDivVisible) return; | |
979 var $birdImg = data.$birdImg; | |
980 var oldsrc = $birdImg.attr('src'); | |
981 var newsrc = getBirdImgUrl(data); | |
982 if (oldsrc !== newsrc) { | |
983 $birdImg.attr('src', newsrc); | |
984 // onload handler re-renders | |
985 } else { | |
986 // re-render | |
987 renderBirdArea(data); | |
730 | 988 // enable click and drag |
989 birdMoveArea(data); | |
723 | 990 } |
719
3da6db751448
change birdview along with scalerUrl in embedded mode
hertzhaft
parents:
718
diff
changeset
|
991 }; |
3da6db751448
change birdview along with scalerUrl in embedded mode
hertzhaft
parents:
718
diff
changeset
|
992 |
625 | 993 // 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
|
994 var setupAboutDiv = function (data) { |
647 | 995 var $elem = data.$elem; |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
996 var settings = data.settings; |
625 | 997 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
616 | 998 var $header = $('<p>Digilib Graphic Viewer</p>'); |
999 var $link = $('<a/>'); | |
1000 var $logo = $('<img class="logo" title="digilib"/>'); | |
1001 var $content = $('<p/>'); | |
1002 $elem.append($aboutDiv); | |
1003 $aboutDiv.append($header); | |
1004 $aboutDiv.append($link); | |
1005 $aboutDiv.append($content); | |
1006 $link.append($logo); | |
1007 $logo.attr('src', settings.logoUrl); | |
635 | 1008 $link.attr('href', settings.homeUrl); |
616 | 1009 $content.text('Version: ' + settings.version); |
635 | 1010 // click hides |
649 | 1011 $aboutDiv.bind('click.digilib', function () { |
646 | 1012 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
649 | 1013 return false; |
710 | 1014 }); |
635 | 1015 data.$aboutDiv = $aboutDiv; |
634 | 1016 }; |
1017 | |
635 | 1018 // shows some window e.g. 'about' (toggle visibility if show is null) |
1019 var showDiv = function (isVisible, $div, show) { | |
645 | 1020 if (show == null) { |
635 | 1021 // toggle visibility |
1022 isVisible = !isVisible; | |
1023 } else { | |
1024 // set visibility | |
1025 isVisible = show; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1026 } |
635 | 1027 if (isVisible) { |
1028 $div.fadeIn(); | |
1029 } else { | |
1030 $div.fadeOut(); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1031 } |
635 | 1032 return isVisible; |
634 | 1033 }; |
616 | 1034 |
697 | 1035 // display more (or less) button sets |
1036 var showButtons = function (data, more, setIdx, animated) { | |
711 | 1037 var atime = animated ? 'fast': 0; |
697 | 1038 if (more) { |
1039 // add set | |
1040 var $otherSets = data.$elem.find('div.buttons:visible'); | |
1041 var $set; | |
1042 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
1043 // set exists | |
1044 $set = data.$buttonSets[setIdx]; | |
1045 } else { | |
1046 $set = createButtons(data, setIdx); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1047 } |
697 | 1048 if ($set == null) return false; |
1049 var btnWidth = $set.width(); | |
1050 // move remaining sets left and show new set | |
711 | 1051 if ($otherSets.length > 0) { |
1052 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
1053 function () {$set.show();}); | |
697 | 1054 } else { |
1055 $set.show(); | |
711 | 1056 } |
697 | 1057 } else { |
1058 // remove set | |
1059 var $set = data.$buttonSets[setIdx]; | |
1060 if ($set == null) return false; | |
1061 var btnWidth = $set.width(); | |
1062 // hide last set | |
1063 $set.hide(); | |
1064 // take remaining sets and move right | |
1065 var $otherSets = data.$elem.find('div.buttons:visible'); | |
711 | 1066 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
1067 } | |
697 | 1068 return true; |
1069 }; | |
1070 | |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1071 // create Transform from area and $img |
675 | 1072 var getImgTrafo = function ($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
|
1073 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
|
1074 var trafo = geom.transform(); |
675 | 1075 // 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
|
1076 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
675 | 1077 // 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
|
1078 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
675 | 1079 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
1080 if (rot || hmir || vmir) { | |
1081 // move [0.5,0.5] to center | |
1082 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
1083 if (hmir) { | |
1084 // mirror about center | |
1085 trafo.concat(trafo.getMirror('y')); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1086 } |
675 | 1087 if (vmir) { |
1088 // mirror about center | |
1089 trafo.concat(trafo.getMirror('x')); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1090 } |
675 | 1091 if (rot) { |
1092 // rotate around center | |
1093 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1094 } |
675 | 1095 // move back |
1096 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
|
1097 } |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1098 // 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
|
1099 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
|
1100 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
|
1101 return trafo; |
655 | 1102 }; |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1103 |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1104 // returns function for load event of scaler img |
636 | 1105 var scalerImgLoadedHandler = function (data) { |
633 | 1106 return function () { |
723 | 1107 var $img = $(this); |
627 | 1108 console.debug("img loaded! this=", this, " data=", data); |
1109 // create Transform from current area and picsize | |
675 | 1110 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
1111 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir); | |
686 | 1112 console.debug("imgTrafo=", data.imgTrafo); |
720 | 1113 // set scaler div size explicitly in case $img is hidden (for zoomDrag) |
1114 var $imgRect = geom.rectangle(data.$img); | |
1115 console.debug("imgrect=", $imgRect); | |
1116 $imgRect.adjustDiv(data.$scaler); | |
715 | 1117 // show image in case it was hidden (for example in zoomDrag) |
1118 $img.show(); | |
627 | 1119 // display marks |
633 | 1120 renderMarks(data); |
695
5c39f5dd6296
cookie control for birdview, works for fullscreen
hertzhaft
parents:
693
diff
changeset
|
1121 // 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
|
1122 }; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1123 }; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1124 |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1125 // 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
|
1126 var birdImgLoadedHandler = function (data) { |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1127 return function () { |
723 | 1128 var $img = $(this); |
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1129 console.debug("birdimg loaded! this=", this, " data=", data); |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1130 // create Transform from current area and picsize |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1131 data.birdTrafo = getImgTrafo($img, MAX_ZOOMAREA); |
668 | 1132 // display red indicator around zoomarea |
723 | 1133 renderBirdArea(data); |
1134 // enable click and drag | |
1135 birdMoveArea(data); | |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1136 }; |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1137 }; |
633 | 1138 |
1139 // place marks on the image | |
1140 var renderMarks = function (data) { | |
647 | 1141 var $elem = data.$elem; |
643 | 1142 var marks = data.marks; |
649 | 1143 // TODO: clear marks first(?) |
633 | 1144 for (var i = 0; i < marks.length; i++) { |
1145 var mark = marks[i]; | |
643 | 1146 if (data.zoomArea.containsPosition(mark)) { |
633 | 1147 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
|
1148 console.debug("renderMarks: mpos=",mpos); |
633 | 1149 // create mark |
1150 var html = '<div class="mark">'+(i+1)+'</div>'; | |
1151 var $mark = $(html); | |
1152 $elem.append($mark); | |
654 | 1153 $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
|
1154 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1155 } |
633 | 1156 }; |
655 | 1157 |
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1158 // show zoom area indicator on bird's eye view |
723 | 1159 var renderBirdArea = function (data) { |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1160 var $birdZoom = data.$birdZoom; |
659 | 1161 var zoomArea = data.zoomArea; |
723 | 1162 var normalSize = isFullArea(zoomArea); |
1163 if (normalSize) { | |
1164 $birdZoom.hide(); | |
1165 return; | |
1166 } else { | |
1167 $birdZoom.show(); | |
1168 } | |
730 | 1169 // position may have changed |
1170 data.birdTrafo = getImgTrafo(data.$birdImg, MAX_ZOOMAREA); | |
659 | 1171 var indRect = data.birdTrafo.transform(zoomArea); |
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1172 var coords = { |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1173 left : indRect.x-2, // acount for frame width |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1174 top : indRect.y-2, |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1175 width : indRect.width, |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1176 height: indRect.height |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1177 }; |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1178 if (data.settings.interactionMode === 'fullscreen') { |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1179 // no animation for fullscreen |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1180 $birdZoom.width(coords.width); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1181 $birdZoom.height(coords.height); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1182 $birdZoom.offset(coords); |
723 | 1183 } else { |
1184 // nice animation for embedded mode :-) | |
726 | 1185 var ppos = $birdZoom.offsetParent().offset(); |
1186 // correct offsetParent because animate is relative | |
1187 coords.left = (coords.left - ppos.left) + 'px' ; | |
1188 coords.top = (coords.top - ppos.top) + 'px'; | |
725 | 1189 $birdZoom.animate(coords); |
723 | 1190 } |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1191 }; |
659 | 1192 |
647 | 1193 // zooms by the given factor |
643 | 1194 var zoomBy = function(data, factor) { |
1195 var area = data.zoomArea; | |
1196 var newarea = area.copy(); | |
1197 // scale | |
1198 newarea.width /= factor; | |
1199 newarea.height /= factor; | |
1200 // and recenter | |
1201 newarea.x -= 0.5 * (newarea.width - area.width); | |
1202 newarea.y -= 0.5 * (newarea.height - area.height); | |
1203 newarea = MAX_ZOOMAREA.fit(newarea); | |
1204 data.zoomArea = newarea; | |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1205 redisplay(data); |
643 | 1206 }; |
1207 | |
647 | 1208 // add a mark where clicked |
1209 var setMark = function (data) { | |
649 | 1210 var $scaler = data.$scaler; |
647 | 1211 // start event capturing |
649 | 1212 $scaler.one('click.digilib', function (evt) { |
647 | 1213 // 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
|
1214 var mpos = geom.position(evt); |
647 | 1215 var pos = data.imgTrafo.invtransform(mpos); |
1216 data.marks.push(pos); | |
1217 redisplay(data); | |
649 | 1218 return false; // do we even get here? |
647 | 1219 }); |
1220 }; | |
668 | 1221 |
654 | 1222 var zoomArea = function(data) { |
1223 $elem = data.$elem; | |
1224 $scaler = data.$scaler; | |
1225 var pt1, pt2; | |
1226 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
1227 $elem.append($zoomDiv); | |
668 | 1228 $zoomDiv.css(data.settings.zoomrectStyle); |
654 | 1229 var picRect = geom.rectangle($scaler); |
1230 // FIX ME: is there a way to query the border width from CSS info? | |
1231 // rect.x -= 2; // account for overlay borders | |
1232 // rect.y -= 2; | |
1233 | |
1234 var zoomStart = function (evt) { | |
1235 pt1 = geom.position(evt); | |
1236 // setup and show zoom div | |
1237 //moveElement(zoomdiv, Rectangle(pt1.x, pt1.y, 0, 0)); | |
1238 $zoomDiv.offset({left : pt1.x, top : pt1.y}); | |
668 | 1239 $zoomDiv.width(0).height(0); |
654 | 1240 $zoomDiv.show(); |
1241 // register events | |
1242 $elem.bind("mousemove.digilib", zoomMove); | |
1243 $elem.bind("mouseup.digilib", zoomEnd); | |
1244 return false; | |
1245 }; | |
668 | 1246 |
654 | 1247 // mouseup handler: end moving |
1248 var zoomEnd = function (evt) { | |
1249 pt2 = geom.position(evt); | |
1250 // assume a click and continue if the area is too small | |
1251 var clickRect = geom.rectangle(pt1, pt2); | |
710 | 1252 if (clickRect.getArea() <= 5) return false; |
654 | 1253 // hide zoom div |
1254 $zoomDiv.remove(); | |
1255 // unregister events | |
1256 $elem.unbind("mousemove.digilib", zoomMove); | |
1257 $elem.unbind("mouseup.digilib", zoomEnd); | |
1258 // clip and transform | |
1259 clickRect.clipTo(picRect); | |
1260 var area = data.imgTrafo.invtransform(clickRect); | |
1261 data.zoomArea = area; | |
1262 // zoomed is always fit | |
1263 data.settings.ws = 1; | |
1264 redisplay(data); | |
1265 return false; | |
1266 }; | |
668 | 1267 |
654 | 1268 // mouse move handler |
1269 var zoomMove = function (evt) { | |
1270 pt2 = geom.position(evt); | |
1271 var rect = geom.rectangle(pt1, pt2); | |
1272 rect.clipTo(picRect); | |
1273 // update zoom div | |
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1274 rect.adjustDiv($zoomDiv); |
654 | 1275 return false; |
1276 }; | |
668 | 1277 |
654 | 1278 // bind start zoom handler |
1279 $scaler.one('mousedown.digilib', zoomStart); | |
1280 }; | |
647 | 1281 |
723 | 1282 // bird's eye view zoom area click and drag handler |
1283 var birdMoveArea = function(data) { | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1284 var $birdImg = data.$birdImg; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1285 var $birdZoom = data.$birdZoom; |
730 | 1286 var $document = $(document); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1287 var startPos, newRect, birdImgRect, birdZoomRect; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1288 |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1289 var birdZoomMove = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1290 // mousemove handler: drag |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1291 var pos = geom.position(evt); |
730 | 1292 var delta = startPos.delta(pos); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1293 // move birdZoom div, keeping size |
730 | 1294 newRect = birdZoomRect.copy(); |
1295 newRect.addPt1(delta); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1296 // stay within birdimage |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1297 newRect.stayInside(birdImgRect); |
730 | 1298 newRect.adjustDiv($birdZoom); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1299 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1300 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1301 |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1302 var birdZoomEndDrag = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1303 // mouseup handler: reload page |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1304 var settings = data.settings; |
730 | 1305 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
1306 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
1307 $birdZoom.unbind("mousemove.dlBirdMove", birdZoomMove); | |
1308 $birdZoom.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
1309 if (newRect == null) { | |
1310 // no movement happened - set center to click position | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1311 startPos = birdZoomRect.getCenter(); |
730 | 1312 birdZoomMove(evt); |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1313 } |
730 | 1314 var newArea = data.birdTrafo.invtransform(newRect); |
1315 data.zoomArea = newArea; | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1316 redisplay(data); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1317 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1318 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1319 |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1320 var birdZoomStartDrag = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1321 // mousedown handler: start dragging bird zoom to a new position |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1322 startPos = geom.position(evt); |
730 | 1323 // position may have changed |
1324 data.birdTrafo = getImgTrafo($birdImg, MAX_ZOOMAREA); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1325 birdImgRect = geom.rectangle($birdImg); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1326 birdZoomRect = geom.rectangle($birdZoom); |
730 | 1327 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
1328 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
1329 $birdZoom.bind("mousemove.dlBirdMove", birdZoomMove); | |
1330 $birdZoom.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1331 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1332 }; |
730 | 1333 |
1334 // clear old handler | |
1335 $document.unbind(".dlBirdMove"); | |
1336 $birdImg.unbind(".dlBirdMove"); | |
1337 $birdZoom.unbind(".dlBirdMove"); | |
1338 // set new handler | |
1339 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); | |
1340 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1341 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1342 |
705 | 1343 var setupZoomDrag = function(data) { |
1344 // setup handlers for dragging the zoomed image | |
1345 var pt1, pt2; | |
1346 var dx = 0; | |
1347 var dy = 0; | |
1348 var $elem = data.$elem; | |
1349 var $scaler = data.$scaler; | |
1350 var $img = data.$img; | |
710 | 1351 |
705 | 1352 var dragStart = function (evt) { |
1353 // drag the image and load a new detail on mouse up | |
1354 // useless if not zoomed | |
1355 if (isFullArea(data.zoomArea)) return false; | |
1356 pt1 = geom.position(evt); | |
1357 $imgRect = geom.rectangle($img); | |
715 | 1358 // keep scaler div size while $img is hidden (for embedded mode) |
1359 $imgRect.adjustDiv($scaler); | |
705 | 1360 // hide the scaler image, show it as background of div instead |
715 | 1361 $scaler.css({ |
705 | 1362 'background-image' : 'url(' + $img.attr('src') + ')', |
1363 'background-repeat' : 'no-repeat', | |
706 | 1364 'background-position' : 'top left', |
705 | 1365 'cursor' : 'move' |
1366 }); | |
730 | 1367 $img.css('visibility', 'hidden'); |
705 | 1368 $(document).bind("mousemove.digilib", dragMove); |
1369 $(document).bind("mouseup.digilib", dragEnd); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1370 return false; |
705 | 1371 }; |
710 | 1372 |
705 | 1373 var dragMove = function (evt) { |
715 | 1374 // mousemove handler: drag zoomed image |
705 | 1375 var pos = geom.position(evt); |
1376 dx = pos.x - pt1.x; | |
1377 dy = pos.y - pt1.y; | |
1378 // move the background image to the new position | |
715 | 1379 $scaler.css({ |
705 | 1380 'background-position' : dx + "px " + dy + "px" |
1381 }); | |
1382 return false; | |
1383 }; | |
710 | 1384 |
705 | 1385 var dragEnd = function (evt) { |
715 | 1386 // mouseup handler: reload zoomed image in new position |
1387 $scaler.css({ | |
722
73cac710bea4
still the strange bug when dragging the zoomed image in embedded mode
hertzhaft
parents:
721
diff
changeset
|
1388 'background-image' : 'none', |
705 | 1389 'cursor' : 'default' |
1390 }); | |
1391 $(document).unbind("mousemove.digilib", dragMove); | |
1392 $(document).unbind("mouseup.digilib", dragEnd); | |
1393 // calculate relative offset | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1394 if (dx === 0 && dy === 0) return false; // no movement |
705 | 1395 // reload with scaler image showing the new ausschnitt |
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1396 // digilib.moveBy(x, y); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1397 var pos = geom.position(-dx, -dy); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1398 var newPos = data.imgTrafo.invtransform(pos); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1399 var newArea = data.zoomArea.setPt1(newPos); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1400 data.zoomArea = MAX_ZOOMAREA.fit(newArea); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1401 redisplay(data); |
705 | 1402 return false; |
1403 }; | |
1404 | |
1405 $scaler.bind("mousedown.digilib", dragStart); | |
1406 }; | |
1407 | |
703 | 1408 // get image quality as a number (0..2) |
1409 var getQuality = function (data) { | |
1410 var flags = data.scalerFlags; | |
1411 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
1412 return parseInt(q[1], 10); | |
706 | 1413 }; |
703 | 1414 |
1415 // set image quality as a number (0..2) | |
1416 var setQuality = function (data, qual) { | |
1417 var flags = data.scalerFlags; | |
1418 // clear flags | |
1419 for (var i = 0; i < 3; ++i) { | |
1420 delete flags['q'+i]; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1421 } |
703 | 1422 flags['q'+qual] = 'q'+qual; |
706 | 1423 }; |
710 | 1424 |
650 | 1425 // sets a key to a value (relative values with +/- if relative=true) |
1426 var setNumValue = function(settings, key, value) { | |
716 | 1427 if (value == null) return null; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1428 if (isNumber(value)) { |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1429 settings[key] = value; |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1430 return value; |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1431 } |
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1432 var sign = value[0]; |
650 | 1433 if (sign === '+' || sign === '-') { |
1434 if (settings[key] == null) { | |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1435 // this isn't perfect but still... |
650 | 1436 settings[key] = 0; |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1437 } |
650 | 1438 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
1439 } else { | |
1440 settings[key] = value; | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1441 } |
650 | 1442 return settings[key]; |
1443 }; | |
655 | 1444 |
1445 // auxiliary function (from old dllib.js) | |
659 | 1446 isFullArea = function(area) { |
1447 return (area.width === 1.0) && (area.height === 1.0); | |
655 | 1448 }; |
1449 | |
641 | 1450 // auxiliary function (from Douglas Crockford, A.10) |
1451 var isNumber = function isNumber(value) { | |
710 | 1452 return typeof value === 'number' && isFinite(value); |
641 | 1453 }; |
655 | 1454 |
631 | 1455 // auxiliary function to crop senseless precision |
1456 var cropFloat = function (x) { | |
637 | 1457 return parseInt(10000 * x, 10) / 10000; |
631 | 1458 }; |
655 | 1459 |
692 | 1460 // fallback for console.log calls |
1461 if (customConsole) { | |
1462 var logFunction = function(type) { | |
1463 return function(){ | |
1464 var $debug = $('#debug'); // debug div | |
1465 if (!$debug) return; | |
1466 var args = Array.prototype.slice.call(arguments); | |
1467 var argtext = args.join(' '); | |
1468 var $logDiv = $('<div/>'); | |
1469 $logDiv.addClass(type); | |
1470 $logDiv.text(argtext); | |
1471 $debug.append($logDiv); | |
1472 }; | |
1473 }; | |
1474 console.log = logFunction('_log'); | |
1475 console.debug = logFunction('_debug'); | |
1476 console.error = logFunction('_error'); | |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1477 } |
692 | 1478 |
605 | 1479 // hook plugin into jquery |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1480 $.fn.digilib = function(action) { |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1481 if (actions[action]) { |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1482 // 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
|
1483 var $elem = $(this); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1484 var data = $elem.data('digilib'); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1485 var args = Array.prototype.slice.call(arguments, 1); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1486 args.unshift(data); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1487 return actions[action].apply(this, args); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1488 } else if (typeof(action) === 'object' || !action) { |
634 | 1489 // call init on this |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1490 return actions.init.apply(this, arguments); |
605 | 1491 } else { |
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1492 $.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
|
1493 } |
605 | 1494 }; |
692 | 1495 |
604 | 1496 })(jQuery); |