Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 709:fca26721e8dd jquery
fixed some reset and cookie issues
author | hertzhaft |
---|---|
date | Sat, 29 Jan 2011 23:27:39 +0100 |
parents | 120ace160386 |
children | d533bdf0e64e |
rev | line source |
---|---|
604 | 1 /* |
2 * digilib jQuery plugin | |
3 * | |
4 */ | |
655 | 5 |
636 | 6 // fallback for console.log calls |
7 if (typeof(console) === 'undefined') { | |
8 var console = { | |
692 | 9 log : function(){}, |
10 debug : function(){}, | |
11 error : function(){} | |
12 }; | |
13 var customConsole = true; | |
14 }; | |
604 | 15 |
16 (function($) { | |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
17 var buttons = { |
610 | 18 reference : { |
689 | 19 onclick : "reference", |
610 | 20 tooltip : "get a reference URL", |
21 img : "reference.png" | |
22 }, | |
23 zoomin : { | |
643 | 24 onclick : ["zoomBy", 1.4], |
610 | 25 tooltip : "zoom in", |
26 img : "zoom-in.png" | |
27 }, | |
28 zoomout : { | |
643 | 29 onclick : ["zoomBy", 0.7], |
610 | 30 tooltip : "zoom out", |
31 img : "zoom-out.png" | |
32 }, | |
33 zoomarea : { | |
654 | 34 onclick : "zoomArea", |
610 | 35 tooltip : "zoom area", |
36 img : "zoom-area.png" | |
37 }, | |
38 zoomfull : { | |
650 | 39 onclick : "zoomFull", |
610 | 40 tooltip : "view the whole image", |
41 img : "zoom-full.png" | |
42 }, | |
43 pagewidth : { | |
650 | 44 onclick : ["zoomFull", "width"], |
610 | 45 tooltip : "page width", |
46 img : "pagewidth.png" | |
47 }, | |
48 back : { | |
623 | 49 onclick : ["gotoPage", "-1"], |
610 | 50 tooltip : "goto previous image", |
51 img : "back.png" | |
52 }, | |
53 fwd : { | |
623 | 54 onclick : ["gotoPage", "+1"], |
610 | 55 tooltip : "goto next image", |
56 img : "fwd.png" | |
57 }, | |
58 page : { | |
59 onclick : "javascript:gotoPageWin()", | |
60 tooltip : "specify image", | |
61 img : "page.png" | |
62 }, | |
63 bird : { | |
635 | 64 onclick : "showBirdDiv", |
610 | 65 tooltip : "show bird's eye view", |
66 img : "birds-eye.png" | |
67 }, | |
68 help : { | |
635 | 69 onclick : "showAboutDiv", |
610 | 70 tooltip : "about Digilib", |
71 img : "help.png" | |
72 }, | |
73 reset : { | |
688 | 74 onclick : "reset", |
610 | 75 tooltip : "reset image", |
76 img : "reset.png" | |
77 }, | |
78 mark : { | |
647 | 79 onclick : "setMark", |
610 | 80 tooltip : "set a mark", |
81 img : "mark.png" | |
82 }, | |
83 delmark : { | |
650 | 84 onclick : "removeMark", |
610 | 85 tooltip : "delete the last mark", |
86 img : "delmark.png" | |
87 }, | |
88 hmir : { | |
661 | 89 onclick : ["mirror", "h"], |
610 | 90 tooltip : "mirror horizontally", |
91 img : "mirror-horizontal.png" | |
92 }, | |
93 vmir : { | |
661 | 94 onclick : ["mirror", "v"], |
610 | 95 tooltip : "mirror vertically", |
96 img : "mirror-vertical.png" | |
97 }, | |
98 rot : { | |
663 | 99 onclick : "rotate", |
610 | 100 tooltip : "rotate image", |
101 img : "rotate.png" | |
102 }, | |
103 brgt : { | |
663 | 104 onclick : "brightness", |
610 | 105 tooltip : "set brightness", |
106 img : "brightness.png" | |
107 }, | |
108 cont : { | |
663 | 109 onclick : "contrast", |
610 | 110 tooltip : "set contrast", |
111 img : "contrast.png" | |
112 }, | |
113 rgb : { | |
114 onclick : "javascript:setParamWin('rgb', '...')", | |
115 tooltip : "set rgb values", | |
116 img : "rgb.png" | |
117 }, | |
118 quality : { | |
703 | 119 onclick : "setquality", |
610 | 120 tooltip : "set image quality", |
121 img : "quality.png" | |
122 }, | |
123 size : { | |
124 onclick : "javascript:toggleSizeMenu()", | |
125 tooltip : "set page size", | |
126 img : "size.png" | |
127 }, | |
128 calibrationx : { | |
129 onclick : "javascript:calibrate('x')", | |
130 tooltip : "calibrate screen x-ratio", | |
131 img : "calibration-x.png" | |
132 }, | |
133 scale : { | |
134 onclick : "javascript:toggleScaleMenu()", | |
135 tooltip : "change image scale", | |
136 img : "original-size.png" | |
137 }, | |
699 | 138 toggleoptions : { |
139 onclick : "morebuttons", | |
140 tooltip : "more options", | |
141 img : "options.png" | |
142 }, | |
690 | 143 moreoptions : { |
144 onclick : ["morebuttons", "+1"], | |
145 tooltip : "more options", | |
146 img : "options.png" | |
147 }, | |
148 lessoptions : { | |
149 onclick : ["morebuttons", "-1"], | |
150 tooltip : "less options", | |
610 | 151 img : "options.png" |
152 }, | |
153 SEP : { | |
154 img : "sep.png" | |
155 } | |
156 }; | |
617
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
157 |
605 | 158 var defaults = { |
616 | 159 // version of this script |
635 | 160 'version' : 'jquery.digilib.js 0.9', |
616 | 161 // logo url |
162 'logoUrl' : '../img/digilib-logo-text1.png', | |
635 | 163 // homepage url (behind logo) |
164 'homeUrl' : 'http://digilib.berlios.de', | |
610 | 165 // base URL to Scaler servlet |
652 | 166 'scalerBaseUrl' : null, |
610 | 167 // list of Scaler parameters |
627 | 168 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
169 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
170 // Scaler parameter defaults | |
643 | 171 'pn' : 1, |
627 | 172 'ww' : 1.0, |
173 'wh' : 1.0, | |
174 'wx' : 0.0, | |
175 'wy' : 0.0, | |
176 'ws' : 1.0, | |
643 | 177 'mo' : '', |
178 'rot' : 0, | |
179 'cont' : 0, | |
180 'brgt' : 0, | |
181 'rgbm' : '0/0/0', | |
182 'rgba' : '0/0/0', | |
183 'ddpi' : null, | |
184 'ddpix' : null, | |
185 'ddpiy' : null, | |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
186 // list of digilib parameters |
650 | 187 '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
|
188 // digilib parameter defaults |
643 | 189 'mk' : '', |
650 | 190 'clop' : '', |
643 | 191 // mode of operation: |
192 // fullscreen = take parameters from page URL, keep state in page URL | |
193 // embedded = take parameters from Javascript options, keep state inside object | |
610 | 194 'interactionMode' : 'fullscreen', |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
195 // buttons |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
196 'buttons' : buttons, |
668 | 197 // defaults for digilib buttons |
665 | 198 'buttonSettings' : { |
199 'fullscreen' : { | |
668 | 200 // path to button images (must end with a slash) |
665 | 201 'imagePath' : 'img/fullscreen/', |
699 | 202 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","SEP","help","reset","toggleoptions"], |
203 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","SEP","toggleoptions"], | |
682 | 204 'buttonSets' : ['standardSet', 'specialSet'] |
665 | 205 }, |
206 'embedded' : { | |
207 'imagePath' : 'img/embedded/16/', | |
699 | 208 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","back","fwd","page","bird","SEP","help","reset","toggleoptions"], |
209 'specialSet' : ["hmir","vmir","rot","brgt","cont","rgb","quality","size","SEP","toggleoptions"], | |
682 | 210 'buttonSets' : ['standardSet', 'specialSet'] |
665 | 211 } |
697 | 212 }, |
213 // number of visible button groups | |
214 'visibleButtonSets' : 1, | |
616 | 215 // is birdView shown? |
216 'isBirdDivVisible' : false, | |
668 | 217 // dimensions of bird's eye div |
674 | 218 'birdDivWidth' : 200, |
219 'birdDivHeight' : 200, | |
668 | 220 // style of the zoom area indicator in the bird's eye div |
659 | 221 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, |
668 | 222 // style of zoom area "rubber band" |
223 'zoomrectStyle' : {'border' : '2px solid #ff0000' }, | |
616 | 224 // is the "about" window shown? |
225 'isAboutDivVisible' : false | |
226 | |
610 | 227 }; |
655 | 228 |
608 | 229 // affine geometry classes |
230 var geom = dlGeometry(); | |
655 | 231 |
643 | 232 var MAX_ZOOMAREA = geom.rectangle(0, 0, 1, 1); |
655 | 233 |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
234 var actions = { |
668 | 235 // init: digilib initialization |
236 init : function(options) { | |
237 // settings for this digilib instance are merged from defaults and options | |
238 var settings = $.extend({}, defaults, options); | |
239 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
240 var queryParams = {}; | |
241 if (isFullscreen) { | |
242 queryParams = parseQueryParams(); | |
243 // check scalerBaseUrl | |
244 if (settings.scalerBaseUrl == null) { | |
245 // try the host this came from | |
246 var h = window.location.host; | |
247 if (window.location.host) { | |
248 var url = window.location.href; | |
249 // assume the page lives in [webapp]/jquery/ | |
250 var pos = url.indexOf('jquery/'); | |
251 if (pos > 0) { | |
252 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
652 | 253 } |
254 } | |
636 | 255 } |
668 | 256 } |
257 return this.each(function() { | |
258 var $elem = $(this); | |
259 var data = $elem.data('digilib'); | |
688 | 260 var params, elemSettings; |
668 | 261 // if the plugin hasn't been initialized yet |
262 if (!data) { | |
263 // merge query parameters | |
264 if (isFullscreen) { | |
688 | 265 params = queryParams; |
668 | 266 } else { |
688 | 267 params = parseImgParams($elem); |
268 }; | |
668 | 269 // store $(this) element in the settings |
688 | 270 elemSettings = $.extend({}, settings, params); |
697 | 271 data = { |
668 | 272 $elem : $elem, |
273 settings : elemSettings, | |
688 | 274 queryParams : params |
668 | 275 }; |
276 // store in data element | |
277 $elem.data('digilib', data); | |
278 } | |
279 unpackParams(data); | |
682 | 280 // create HTML structure for scaler |
668 | 281 setupScalerDiv(data); |
697 | 282 // add buttons |
283 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
284 showButtons(data, true, i); | |
285 } | |
668 | 286 // bird's eye view creation |
709 | 287 if (elemSettings.isBirdDivVisible ) { |
638 | 288 setupBirdDiv(data); |
289 } | |
668 | 290 // about window creation - TODO: could be deferred? restrict to only one item? |
291 setupAboutDiv(data); | |
707 | 292 // TODO: the actual moving code |
293 setupZoomDrag(data); | |
668 | 294 }); |
295 }, | |
296 | |
297 // destroy: clean up digilib | |
298 destroy : function(data) { | |
299 return this.each(function(){ | |
300 var $elem = $(this); | |
301 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
302 data.digilib.remove(); | |
303 $elem.removeData('digilib'); | |
304 }); | |
305 }, | |
306 | |
307 // show or hide the 'about' window | |
308 showAboutDiv : function(data, show) { | |
309 data.settings.isAboutDivVisible = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); | |
310 }, | |
655 | 311 |
668 | 312 // event handler: toggles the visibility of the bird's eye window |
313 showBirdDiv : function (data, show) { | |
314 if (data.$birdDiv == null) { | |
315 // no bird div -> create | |
316 setupBirdDiv(data); | |
317 } | |
318 data.settings.isBirdDivVisible = showDiv(data.settings.isBirdDivVisible, data.$birdDiv, show); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
319 data.$birdImg.triggerHandler('load'); |
668 | 320 }, |
321 | |
322 // goto given page nr (+/-: relative) | |
323 gotoPage : function (data, pageNr) { | |
324 var settings = data.settings; | |
325 var oldpn = settings.pn; | |
326 var pn = setNumValue(settings, "pn", pageNr); | |
327 if (pn == null) return false; // nothing happened | |
328 if (pn < 1) { | |
329 alert("no such page (page number too low)"); | |
330 settings.pn = oldpn; | |
331 return false; | |
332 } | |
333 if (settings.pt) { | |
334 if (pn > settings.pt) { | |
335 alert("no such page (page number too high)"); | |
623 | 336 settings.pn = oldpn; |
337 return false; | |
634 | 338 } |
668 | 339 } |
340 // reset mk and others(?) | |
341 data.marks = []; | |
342 data.zoomArea = MAX_ZOOMAREA; | |
343 // then reload | |
344 redisplay(data); | |
345 }, | |
654 | 346 |
668 | 347 // zoom by a given factor |
348 zoomBy : function (data, factor) { | |
349 zoomBy(data, factor); | |
350 }, | |
647 | 351 |
668 | 352 // zoom interactively |
353 zoomArea : function (data) { | |
354 zoomArea(data); | |
355 }, | |
650 | 356 |
668 | 357 // zoom out to full page |
358 zoomFull : function (data, mode) { | |
359 data.zoomArea = MAX_ZOOMAREA; | |
360 if (mode === 'width') { | |
361 data.dlOpts.fitwidth = 1; | |
362 delete data.dlOpts.fitheight; | |
363 } else if (mode === 'height') { | |
364 data.dlOpts.fitheight = 1; | |
365 delete data.dlOpts.fitwidth; | |
366 } else { | |
367 delete data.dlOpts.fitwidth; | |
368 delete data.dlOpts.fitheight; | |
369 } | |
370 redisplay(data); | |
371 }, | |
372 | |
373 // set a mark by clicking (or giving a position) | |
374 setMark : function (data, mpos) { | |
375 if (mpos == null) { | |
376 // interactive | |
377 setMark(data); | |
378 } else { | |
379 // use position | |
380 data.marks.push(pos); | |
663 | 381 redisplay(data); |
604 | 382 } |
668 | 383 }, |
384 | |
385 // remove the last mark | |
386 removeMark : function (data) { | |
387 data.marks.pop(); | |
388 redisplay(data); | |
389 }, | |
390 | |
391 // mirror the image | |
392 mirror : function (data, mode) { | |
393 var flags = data.scalerFlags; | |
394 if (mode === 'h') { | |
395 if (flags.hmir) { | |
396 delete flags.hmir; | |
397 } else { | |
398 flags.hmir = 1; | |
399 } | |
400 } else { | |
401 if (flags.vmir) { | |
402 delete flags.vmir; | |
403 } else { | |
404 flags.vmir = 1; | |
405 } | |
406 } | |
407 redisplay(data); | |
408 }, | |
650 | 409 |
668 | 410 // rotate the image |
411 rotate : function (data, angle) { | |
412 var rot = data.settings.rot; | |
413 if (angle == null) { | |
414 angle = window.prompt("Rotation angle:", rot); | |
415 } | |
416 data.settings.rot = angle; | |
417 redisplay(data); | |
418 }, | |
419 | |
420 // change brightness | |
421 brightness : function (data, factor) { | |
422 var brgt = data.settings.brgt; | |
423 if (factor == null) { | |
424 factor = window.prompt("Brightness (-255..255)", brgt); | |
425 } | |
426 data.settings.brgt = factor; | |
427 redisplay(data); | |
428 }, | |
429 | |
430 // change contrast | |
431 contrast : function (data, factor) { | |
432 var cont = data.settings.cont; | |
433 if (factor == null) { | |
434 factor = window.prompt("Contrast (-8, 8)", cont); | |
435 } | |
436 data.settings.cont = factor; | |
437 redisplay(data); | |
688 | 438 }, |
690 | 439 |
440 // display more (or less) button sets | |
441 morebuttons : function (data, more) { | |
696 | 442 var settings = data.settings; |
699 | 443 if (more == null) { |
703 | 444 // toggle more or less (only works for 2 sets) |
699 | 445 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
446 if (settings.visibleButtonSets >= maxbtns) { | |
447 more = '-1'; | |
448 } else { | |
449 more = '+1'; | |
450 } | |
451 } | |
690 | 452 if (more === '-1') { |
453 // remove set | |
697 | 454 var setIdx = settings.visibleButtonSets - 1; |
455 if (showButtons(data, false, setIdx, true)) { | |
456 settings.visibleButtonSets--; | |
457 } | |
690 | 458 } else { |
459 // add set | |
697 | 460 var setIdx = settings.visibleButtonSets; |
461 if (showButtons(data, true, setIdx, true)) { | |
462 settings.visibleButtonSets++; | |
690 | 463 } |
464 } | |
691 | 465 }, |
688 | 466 |
703 | 467 // reset image parameters to defaults |
688 | 468 reset : function (data) { |
469 var settings = data.settings; | |
470 var paramNames = settings.digilibParamNames; | |
471 var params = data.queryParams; | |
709 | 472 // resets zoomArea, marks, scalerflags |
688 | 473 resetData(data); |
474 // delete all digilib parameters | |
475 for (var i = 0; i < paramNames.length; i++) { | |
476 var paramName = paramNames[i]; | |
477 delete settings[paramName]; | |
478 }; | |
479 // fullscreen: restore only fn/pn parameters | |
480 if (settings.interactionMode === 'fullscreen') { | |
709 | 481 settings['fn'] = params.fn || ''; // no default defined |
482 settings['pn'] = params.pn || defaults.pn; | |
688 | 483 // embedded: restore original parameters |
484 } else { | |
485 $.extend(settings, params); | |
486 }; | |
709 | 487 // TODO: should we really reset all user preferences here? |
488 settings.isBirdDivVisible = false; | |
489 settings.visibleButtonSets = 1; | |
688 | 490 redisplay(data); |
689 | 491 }, |
492 | |
703 | 493 // presents a reference url (returns value if noprompt) |
494 reference : function (data, noprompt) { | |
689 | 495 var settings = data.settings; |
496 var url; | |
497 if (settings.interactionMode === 'fullscreen') { | |
498 url = getDigilibUrl(data); | |
499 } else { | |
500 url = getScalerUrl(data); | |
501 }; | |
703 | 502 if (noprompt == null) { |
503 window.prompt("URL reference to the current view", url); | |
504 } | |
505 return url; | |
506 }, | |
507 | |
508 // set image quality | |
509 setquality : function (data, qual) { | |
510 var oldq = getQuality(data); | |
511 if (qual == null) { | |
512 qual = window.prompt("Image quality (0..2)", oldq); | |
513 } | |
514 qual = parseInt(qual, 10); | |
515 if (qual >= 0 && qual <= 2) { | |
516 setQuality(data, qual); | |
517 redisplay(data); | |
518 } | |
668 | 519 } |
605 | 520 }; |
604 | 521 |
608 | 522 // returns parameters from page url |
607 | 523 var parseQueryParams = function() { |
636 | 524 return parseQueryString(window.location.search.slice(1)); |
525 }; | |
655 | 526 |
636 | 527 // returns parameters from embedded img-element |
607 | 528 var parseImgParams = function($elem) { |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
529 var src = $elem.find('img').first().attr('src'); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
530 if (!src) { |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
531 return null; |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
532 } |
607 | 533 var pos = src.indexOf('?'); |
534 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
535 var scalerUrl = src.substring(0, pos); | |
627 | 536 var params = parseQueryString(query); |
537 params.scalerBaseUrl = scalerUrl; | |
538 return params; | |
636 | 539 }; |
607 | 540 |
608 | 541 // parses query parameter string into parameter object |
607 | 542 var parseQueryString = function(query) { |
701 | 543 var params = {}; |
544 if (query == null) return params; | |
607 | 545 var pairs = query.split("&"); |
636 | 546 //var keys = []; |
607 | 547 for (var i = 0; i < pairs.length; i++) { |
548 var pair = pairs[i].split("="); | |
549 if (pair.length === 2) { | |
627 | 550 params[pair[0]] = pair[1]; |
636 | 551 //keys.push(pair[0]); |
634 | 552 } |
636 | 553 } |
627 | 554 return params; |
636 | 555 }; |
668 | 556 |
643 | 557 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
558 var getParamString = function (settings, keys, defaults) { | |
615 | 559 var paramString = ''; |
650 | 560 var nx = false; |
615 | 561 for (i = 0; i < keys.length; ++i) { |
562 var key = keys[i]; | |
663 | 563 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
615 | 564 // first param gets no '&' |
650 | 565 if (nx) { |
566 paramString += '&'; | |
567 } else { | |
568 nx = true; | |
569 } | |
615 | 570 // add parm=val |
571 paramString += key + '=' + settings[key]; | |
643 | 572 } |
615 | 573 } |
574 return paramString; | |
631 | 575 }; |
576 | |
636 | 577 // returns URL and query string for Scaler |
578 var getScalerUrl = function (data) { | |
653 | 579 var settings = data.settings; |
652 | 580 if (settings.scalerBaseUrl == null) { |
581 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
582 } | |
665 | 583 packParams(data); |
636 | 584 var keys = settings.scalerParamNames; |
643 | 585 var queryString = getParamString(settings, keys, defaults); |
636 | 586 var url = settings.scalerBaseUrl + '?' + queryString; |
587 return url; | |
588 }; | |
589 | |
590 // 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
|
591 var getDigilibUrl = function (data) { |
643 | 592 packParams(data); |
636 | 593 var settings = data.settings; |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
594 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
636 | 595 var url = window.location.toString(); |
596 var pos = url.indexOf('?'); | |
597 var baseUrl = url.substring(0, pos); | |
598 var newurl = baseUrl + '?' + queryString; | |
599 return newurl; | |
600 }; | |
601 | |
655 | 602 // processes some parameters into objects and stuff |
631 | 603 var unpackParams = function (data) { |
604 var settings = data.settings; | |
636 | 605 // zoom area |
631 | 606 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
643 | 607 data.zoomArea = zoomArea; |
636 | 608 // marks |
631 | 609 var marks = []; |
650 | 610 if (settings.mk) { |
611 var mk = settings.mk; | |
612 if (mk.indexOf(";") >= 0) { | |
613 var pa = mk.split(";"); // old format with ";" | |
614 } else { | |
615 var pa = mk.split(","); // new format | |
616 } | |
617 for (var i = 0; i < pa.length ; i++) { | |
618 var pos = pa[i].split("/"); | |
619 if (pos.length > 1) { | |
620 marks.push(geom.position(pos[0], pos[1])); | |
621 } | |
633 | 622 } |
631 | 623 } |
643 | 624 data.marks = marks; |
650 | 625 // mo (Scaler flags) |
626 var flags = {}; | |
627 if (settings.mo) { | |
628 var pa = settings.mo.split(","); | |
629 for (var i = 0; i < pa.length ; i++) { | |
630 flags[pa[i]] = pa[i]; | |
631 } | |
632 } | |
633 data.scalerFlags = flags; | |
709 | 634 retrieveOptionsCookie(data); |
655 | 635 }; |
636 | |
631 | 637 // put objects back into parameters |
638 var packParams = function (data) { | |
639 var settings = data.settings; | |
636 | 640 // zoom area |
643 | 641 if (data.zoomArea) { |
647 | 642 settings.wx = cropFloat(data.zoomArea.x); |
643 settings.wy = cropFloat(data.zoomArea.y); | |
644 settings.ww = cropFloat(data.zoomArea.width); | |
645 settings.wh = cropFloat(data.zoomArea.height); | |
631 | 646 } |
636 | 647 // marks |
643 | 648 if (data.marks) { |
650 | 649 settings.mk = ''; |
643 | 650 for (var i = 0; i < data.marks.length; i++) { |
650 | 651 if (i) { |
652 settings.mk += ','; | |
653 } | |
654 settings.mk += cropFloat(data.marks[i].x).toString() + '/' + cropFloat(data.marks[i].y).toString(); | |
631 | 655 } |
650 | 656 } |
657 // Scaler flags | |
658 if (data.scalerFlags) { | |
659 var mo = ''; | |
660 for (var f in data.scalerFlags) { | |
661 if (mo) { | |
662 mo += ','; | |
663 } | |
664 mo += f; | |
665 } | |
666 settings.mo = mo; | |
667 } | |
709 | 668 storeOptionsCookie(data); |
669 }; | |
688 | 670 |
709 | 671 var storeOptionsCookie = function (data) { |
701 | 672 // save digilib options in cookie |
709 | 673 // TODO: in embedded mode this is not called |
701 | 674 /* store in parameter clop |
675 * if (data.dlOpts) { | |
676 var clop = ''; | |
677 for (var o in data.dlOpts) { | |
678 if (clop) { | |
650 | 679 clop += ','; |
680 } | |
681 clop += o; | |
682 } | |
683 settings.clop = clop; | |
701 | 684 } */ |
709 | 685 var settings = data.settings; |
686 if (data.dlOpts) { | |
687 // save digilib settings in options | |
688 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
689 data.dlOpts.buttons = settings.visibleButtonSets; | |
690 var clop = ''; | |
691 for (var o in data.dlOpts) { | |
692 if (clop) { | |
693 clop += '&'; | |
694 } | |
695 clop += o + '=' + data.dlOpts[o]; | |
696 } | |
697 if (jQuery.cookie) { | |
698 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
699 console.debug("set cookie=", ck, " value=", clop); | |
700 jQuery.cookie(ck, clop); | |
701 }; | |
702 }; | |
631 | 703 }; |
655 | 704 |
709 | 705 var retrieveOptionsCookie = function (data) { |
706 // clop (digilib options) | |
707 var opts = {}; | |
708 var settings = data.settings; | |
709 if (jQuery.cookie) { | |
710 /* read from parameter clop | |
711 * if (settings.clop) { | |
712 var pa = settings.clop.split(","); | |
713 for (var i = 0; i < pa.length ; i++) { | |
714 opts[pa[i]] = pa[i]; | |
715 } | |
716 } */ | |
717 // read from cookie | |
718 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
719 var cp = jQuery.cookie(ck); | |
720 console.debug("get cookie=", ck, " value=", cp); | |
721 // in query string format | |
722 opts = parseQueryString(cp); | |
723 }; | |
724 data.dlOpts = opts; | |
725 // birdview option | |
726 if (opts.birdview != null) { | |
727 settings.isBirdDivVisible = opts.birdview === '1'; | |
728 }; | |
729 // visible button sets | |
730 if (opts.buttons != null) { | |
731 settings.visibleButtonSets = opts.buttons; | |
732 }; | |
733 } | |
734 | |
688 | 735 // clear digilib data for reset |
736 var resetData = function (data) { | |
737 if (data.zoomArea) delete data.zoomArea; | |
738 if (data.marks) delete data.marks; | |
739 if (data.scalerFlags) delete data.scalerFlags; | |
740 }; | |
741 | |
622 | 742 // (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
|
743 var redisplay = function (data) { |
636 | 744 var settings = data.settings; |
745 if (settings.interactionMode === 'fullscreen') { | |
746 // 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
|
747 var url = getDigilibUrl(data); |
636 | 748 var history = window.history; |
749 if (typeof(history.pushState) === 'function') { | |
750 console.debug("we could modify history, but we don't..."); | |
751 } | |
752 window.location = url; | |
753 } else { | |
754 // embedded mode -- just change img src | |
755 var url = getScalerUrl(data); | |
756 data.$img.attr('src', url); | |
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
757 // and update bird's eye view |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
758 //if (settings.isBirdDivVisible) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
759 // renderBirdZoom(data); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
760 //} |
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
761 }; |
622 | 762 }; |
763 | |
662 | 764 // returns maximum size for scaler img in fullscreen mode |
765 var getFullscreenImgSize = function($elem) { | |
766 var $win = $(window); | |
767 var winH = $win.height(); | |
768 var winW = $win.width(); | |
769 // TODO: account for borders? | |
770 return geom.size(winW, winH); | |
771 }; | |
772 | |
608 | 773 // creates HTML structure for digilib in elem |
627 | 774 var setupScalerDiv = function (data) { |
775 var settings = data.settings; | |
647 | 776 var $elem = data.$elem; |
686 | 777 var $img, scalerUrl; |
778 // fullscreen | |
608 | 779 if (settings.interactionMode === 'fullscreen') { |
609 | 780 var imgSize = getFullscreenImgSize($elem); |
650 | 781 // fitwidth/height omits destination height/width |
782 if (data.dlOpts['fitheight'] == null) { | |
783 settings.dw = imgSize.width; | |
686 | 784 }; |
650 | 785 if (data.dlOpts['fitwidth'] == null) { |
786 settings.dh = imgSize.height; | |
686 | 787 }; |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
788 $img = $('<img/>'); |
686 | 789 scalerUrl = getScalerUrl(data); |
790 // embedded mode -- try to keep img tag | |
609 | 791 } else { |
623 | 792 $img = $elem.find('img'); |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
793 if ($img.length > 0) { |
686 | 794 console.debug("img detach:", $img); |
795 scalerUrl = $img.attr('src'); | |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
796 $img.detach(); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
797 } else { |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
798 $img = $('<img/>'); |
686 | 799 scalerUrl = getScalerUrl(data); |
800 }; | |
608 | 801 } |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
802 // create new html |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
803 $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
|
804 var $scaler = $('<div class="scaler"/>'); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
805 $elem.append($scaler); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
806 $scaler.append($img); |
622 | 807 $img.addClass('pic'); |
649 | 808 data.$scaler = $scaler; |
636 | 809 data.$img = $img; |
687 | 810 // setup image load handler before setting the src attribute (IE bug) |
811 $img.load(scalerImgLoadedHandler(data)); | |
812 $img.attr('src', scalerUrl); | |
608 | 813 }; |
615 | 814 |
610 | 815 // creates HTML structure for buttons in elem |
697 | 816 var createButtons = function (data, buttonSetIdx) { |
647 | 817 var $elem = data.$elem; |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
818 var settings = data.settings; |
665 | 819 var mode = settings.interactionMode; |
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
820 var buttonSettings = settings.buttonSettings[mode]; |
682 | 821 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
690 | 822 if (buttonGroup == null) { |
823 // no buttons here | |
824 return; | |
825 } | |
826 var $buttonsDiv = $('<div class="buttons"/>'); | |
682 | 827 var buttonNames = buttonSettings[buttonGroup]; |
828 for (var i = 0; i < buttonNames.length; i++) { | |
829 var buttonName = buttonNames[i]; | |
830 var buttonConfig = settings.buttons[buttonName]; | |
665 | 831 // construct the button html |
832 var $button = $('<div class="button"></div>'); | |
833 var $a = $('<a/>'); | |
834 var $img = $('<img class="button"/>'); | |
835 $buttonsDiv.append($button); | |
836 $button.append($a); | |
837 $a.append($img); | |
838 // add attributes and bindings | |
839 $button.attr('title', buttonConfig.tooltip); | |
682 | 840 $button.addClass('button-' + buttonName); |
665 | 841 // create handler for the buttons |
842 $a.bind('click.digilib', (function () { | |
843 // we create a new closure to capture the value of action | |
844 var action = buttonConfig.onclick; | |
845 if ($.isArray(action)) { | |
846 // the handler function calls digilib with action and parameters | |
847 return function (evt) { | |
848 console.debug('click action=', action, ' evt=', evt); | |
849 $elem.digilib.apply($elem, action); | |
850 return false; | |
851 }; | |
852 } else { | |
853 // the handler function calls digilib with action | |
854 return function (evt) { | |
855 console.debug('click action=', action, ' evt=', evt); | |
856 $elem.digilib(action); | |
857 return false; | |
858 }; | |
859 } | |
860 })()); | |
861 $img.attr('src', buttonSettings.imagePath + buttonConfig.img); | |
690 | 862 } |
662 | 863 // make buttons div scroll if too large for window |
864 if ($buttonsDiv.height() > $(window).height() - 10) { | |
865 $buttonsDiv.css('position', 'absolute'); | |
866 } | |
697 | 867 // buttons hidden at first |
868 $buttonsDiv.hide(); | |
869 $elem.append($buttonsDiv); | |
682 | 870 if (data.$buttonSets == null) { |
697 | 871 // first button set |
682 | 872 data.$buttonSets = [$buttonsDiv]; |
873 } else { | |
690 | 874 $elem.append($buttonsDiv); |
682 | 875 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
876 } | |
612 | 877 return $buttonsDiv; |
610 | 878 }; |
615 | 879 |
880 // creates HTML structure for the bird's eye view in elem | |
638 | 881 var setupBirdDiv = function (data) { |
647 | 882 var $elem = data.$elem; |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
883 var settings = data.settings; |
615 | 884 // use only the relevant parameters |
885 var keys = ['fn','pn','dw','dh']; | |
674 | 886 var birdDivOptions = { |
887 dw : settings.birdDivWidth, | |
888 dh : settings.birdDivHeight | |
889 }; | |
890 var birdSettings = $.extend({}, settings, birdDivOptions); | |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
891 var birdUrl = settings.scalerBaseUrl + '?' + getParamString(birdSettings, keys); |
615 | 892 // 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
|
893 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
615 | 894 // the detail indicator frame |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
895 var $birdZoom = $('<div class="birdZoom" style="display:none; position:absolute; background-color:transparent;"/>'); |
615 | 896 // the small image |
897 var $birdImg = $('<img class="birdimg"/>'); | |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
898 $elem.append($birdDiv); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
899 $birdDiv.append($birdZoom); |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
900 $birdDiv.append($birdImg); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
901 $birdZoom.css(data.settings.birdIndicatorStyle); |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
902 data.$birdDiv = $birdDiv; |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
903 data.$birdZoom = $birdZoom; |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
904 data.$birdImg = $birdImg; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
905 $birdImg.load(birdImgLoadedHandler(data)); |
615 | 906 $birdImg.attr('src', birdUrl); |
640
fcb887110471
enabling bird's eye view in options now even works...
robcast
parents:
639
diff
changeset
|
907 if (data.settings.isBirdDivVisible) { |
687 | 908 $birdDiv.show(); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
909 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
910 birdZoom(data); |
640
fcb887110471
enabling bird's eye view in options now even works...
robcast
parents:
639
diff
changeset
|
911 }; |
615 | 912 |
625 | 913 // 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
|
914 var setupAboutDiv = function (data) { |
647 | 915 var $elem = data.$elem; |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
916 var settings = data.settings; |
625 | 917 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
616 | 918 var $header = $('<p>Digilib Graphic Viewer</p>'); |
919 var $link = $('<a/>'); | |
920 var $logo = $('<img class="logo" title="digilib"/>'); | |
921 var $content = $('<p/>'); | |
922 $elem.append($aboutDiv); | |
923 $aboutDiv.append($header); | |
924 $aboutDiv.append($link); | |
925 $aboutDiv.append($content); | |
926 $link.append($logo); | |
927 $logo.attr('src', settings.logoUrl); | |
635 | 928 $link.attr('href', settings.homeUrl); |
616 | 929 $content.text('Version: ' + settings.version); |
635 | 930 // click hides |
649 | 931 $aboutDiv.bind('click.digilib', function () { |
646 | 932 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
649 | 933 return false; |
934 }); | |
635 | 935 data.$aboutDiv = $aboutDiv; |
634 | 936 }; |
937 | |
635 | 938 // shows some window e.g. 'about' (toggle visibility if show is null) |
939 var showDiv = function (isVisible, $div, show) { | |
645 | 940 if (show == null) { |
635 | 941 // toggle visibility |
942 isVisible = !isVisible; | |
943 } else { | |
944 // set visibility | |
945 isVisible = show; | |
946 } | |
947 if (isVisible) { | |
948 $div.fadeIn(); | |
949 } else { | |
950 $div.fadeOut(); | |
951 } | |
952 return isVisible; | |
634 | 953 }; |
616 | 954 |
697 | 955 // display more (or less) button sets |
956 var showButtons = function (data, more, setIdx, animated) { | |
957 if (more) { | |
958 // add set | |
959 var $otherSets = data.$elem.find('div.buttons:visible'); | |
960 var $set; | |
961 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
962 // set exists | |
963 $set = data.$buttonSets[setIdx]; | |
964 } else { | |
965 $set = createButtons(data, setIdx); | |
966 } | |
967 if ($set == null) return false; | |
968 var btnWidth = $set.width(); | |
969 // move remaining sets left and show new set | |
970 if (animated) { | |
971 $otherSets.animate({left : '-='+btnWidth+'px'}, 'fast', | |
972 function () {$set.show();}); | |
973 } else { | |
701 | 974 var oldpos = $otherSets.position(); |
975 if (oldpos) { | |
976 $otherSets.css({left : oldpos.left-btnWidth+'px'}); | |
977 } | |
697 | 978 $set.show(); |
979 } | |
980 } else { | |
981 // remove set | |
982 var $set = data.$buttonSets[setIdx]; | |
983 if ($set == null) return false; | |
984 var btnWidth = $set.width(); | |
985 // hide last set | |
986 $set.hide(); | |
987 // take remaining sets and move right | |
988 var $otherSets = data.$elem.find('div.buttons:visible'); | |
989 if (animated) { | |
990 $otherSets.animate({left : '+='+btnWidth+'px'}, 'fast'); | |
991 } else { | |
992 $otherSets.css({left : '+='+btnWidth+'px'}); | |
993 } | |
994 } | |
995 return true; | |
996 }; | |
997 | |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
998 // create Transform from area and $img |
675 | 999 var getImgTrafo = function ($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
|
1000 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
|
1001 var trafo = geom.transform(); |
675 | 1002 // 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
|
1003 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
675 | 1004 // 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
|
1005 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
675 | 1006 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
1007 if (rot || hmir || vmir) { | |
1008 // move [0.5,0.5] to center | |
1009 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
1010 if (hmir) { | |
1011 // mirror about center | |
1012 trafo.concat(trafo.getMirror('y')); | |
1013 } | |
1014 if (vmir) { | |
1015 // mirror about center | |
1016 trafo.concat(trafo.getMirror('x')); | |
1017 } | |
1018 if (rot) { | |
1019 // rotate around center | |
1020 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
1021 } | |
1022 // move back | |
1023 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1024 } |
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1025 // 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
|
1026 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
|
1027 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
|
1028 return trafo; |
655 | 1029 }; |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1030 |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1031 // returns function for load event of scaler img |
636 | 1032 var scalerImgLoadedHandler = function (data) { |
1033 var $img = data.$img; | |
633 | 1034 return function () { |
627 | 1035 console.debug("img loaded! this=", this, " data=", data); |
1036 // create Transform from current area and picsize | |
675 | 1037 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
1038 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir); | |
686 | 1039 console.debug("imgTrafo=", data.imgTrafo); |
627 | 1040 // display marks |
633 | 1041 renderMarks(data); |
695
5c39f5dd6296
cookie control for birdview, works for fullscreen
hertzhaft
parents:
693
diff
changeset
|
1042 // TODO: digilib.showArrows(); // show arrow overlays for zoom navigation |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1043 var $birdImg = data.$birdImg; |
705 | 1044 // should the birdview adapt to mirror or rotation? decision: No. :-) |
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1045 if ($birdImg) { |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1046 $birdImg.triggerHandler('load'); |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1047 }; |
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1048 }; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1049 }; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1050 |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1051 // 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
|
1052 var birdImgLoadedHandler = function (data) { |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1053 var $img = data.$birdImg; |
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1054 return function () { |
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1055 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
|
1056 // 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
|
1057 data.birdTrafo = getImgTrafo($img, MAX_ZOOMAREA); |
668 | 1058 // display red indicator around zoomarea |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1059 renderbirdZoom(data); |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1060 }; |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1061 }; |
633 | 1062 |
1063 // place marks on the image | |
1064 var renderMarks = function (data) { | |
647 | 1065 var $elem = data.$elem; |
643 | 1066 var marks = data.marks; |
649 | 1067 // TODO: clear marks first(?) |
633 | 1068 for (var i = 0; i < marks.length; i++) { |
1069 var mark = marks[i]; | |
643 | 1070 if (data.zoomArea.containsPosition(mark)) { |
633 | 1071 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
|
1072 console.debug("renderMarks: mpos=",mpos); |
633 | 1073 // create mark |
1074 var html = '<div class="mark">'+(i+1)+'</div>'; | |
1075 var $mark = $(html); | |
1076 $elem.append($mark); | |
654 | 1077 $mark.offset({left : mpos.x, top : mpos.y}); |
633 | 1078 } |
1079 } | |
1080 }; | |
655 | 1081 |
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1082 // show zoom area indicator on bird's eye view |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1083 var renderbirdZoom = function (data) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1084 var $birdZoom = data.$birdZoom; |
659 | 1085 var zoomArea = data.zoomArea; |
1086 var indRect = data.birdTrafo.transform(zoomArea); | |
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1087 var coords = { |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1088 left : indRect.x-2, // acount for frame width |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1089 top : indRect.y-2, |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1090 width : indRect.width, |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1091 height: indRect.height |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1092 }; |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1093 var normalSize = isFullArea(zoomArea); |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1094 if (data.settings.interactionMode === 'fullscreen') { |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1095 // no animation for fullscreen |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1096 if (normalSize) return $birdZoom.hide(); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1097 $birdZoom.width(coords.width); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1098 $birdZoom.height(coords.height); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1099 $birdZoom.offset(coords); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1100 $birdZoom.show(); |
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1101 return; |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1102 }; |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1103 // nice animation for embedded mode :-) |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1104 var makeCompleteFunction = function($birdZoom, normalSize) { |
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1105 return function() { |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1106 if (normalSize) $birdZoom.hide(); |
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1107 }; |
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1108 }; |
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1109 var opts = { |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1110 'complete' : makeCompleteFunction($birdZoom, normalSize) |
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1111 }; |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1112 if (!normalSize && $birdZoom.css('display') === 'none') $birdZoom.show(); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1113 $birdZoom.animate(coords, opts); |
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1114 }; |
659 | 1115 |
647 | 1116 // zooms by the given factor |
643 | 1117 var zoomBy = function(data, factor) { |
1118 var area = data.zoomArea; | |
1119 var newarea = area.copy(); | |
1120 // scale | |
1121 newarea.width /= factor; | |
1122 newarea.height /= factor; | |
1123 // and recenter | |
1124 newarea.x -= 0.5 * (newarea.width - area.width); | |
1125 newarea.y -= 0.5 * (newarea.height - area.height); | |
1126 newarea = MAX_ZOOMAREA.fit(newarea); | |
1127 data.zoomArea = newarea; | |
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1128 redisplay(data); |
643 | 1129 }; |
1130 | |
647 | 1131 // add a mark where clicked |
1132 var setMark = function (data) { | |
649 | 1133 var $scaler = data.$scaler; |
647 | 1134 // start event capturing |
649 | 1135 $scaler.one('click.digilib', function (evt) { |
647 | 1136 // 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
|
1137 var mpos = geom.position(evt); |
647 | 1138 var pos = data.imgTrafo.invtransform(mpos); |
1139 data.marks.push(pos); | |
1140 redisplay(data); | |
649 | 1141 return false; // do we even get here? |
647 | 1142 }); |
1143 }; | |
668 | 1144 |
654 | 1145 var zoomArea = function(data) { |
1146 $elem = data.$elem; | |
1147 $scaler = data.$scaler; | |
1148 var pt1, pt2; | |
1149 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
1150 $elem.append($zoomDiv); | |
668 | 1151 $zoomDiv.css(data.settings.zoomrectStyle); |
654 | 1152 var picRect = geom.rectangle($scaler); |
1153 // FIX ME: is there a way to query the border width from CSS info? | |
1154 // rect.x -= 2; // account for overlay borders | |
1155 // rect.y -= 2; | |
1156 | |
1157 var zoomStart = function (evt) { | |
1158 pt1 = geom.position(evt); | |
1159 // setup and show zoom div | |
1160 //moveElement(zoomdiv, Rectangle(pt1.x, pt1.y, 0, 0)); | |
1161 $zoomDiv.offset({left : pt1.x, top : pt1.y}); | |
668 | 1162 $zoomDiv.width(0).height(0); |
654 | 1163 $zoomDiv.show(); |
1164 // register events | |
1165 $elem.bind("mousemove.digilib", zoomMove); | |
1166 $elem.bind("mouseup.digilib", zoomEnd); | |
1167 return false; | |
1168 }; | |
668 | 1169 |
654 | 1170 // mouseup handler: end moving |
1171 var zoomEnd = function (evt) { | |
1172 pt2 = geom.position(evt); | |
1173 // assume a click and continue if the area is too small | |
1174 var clickRect = geom.rectangle(pt1, pt2); | |
1175 if (clickRect.getArea() <= 5) { | |
1176 return false; | |
1177 } | |
1178 // hide zoom div | |
1179 $zoomDiv.remove(); | |
1180 // unregister events | |
1181 $elem.unbind("mousemove.digilib", zoomMove); | |
1182 $elem.unbind("mouseup.digilib", zoomEnd); | |
1183 // clip and transform | |
1184 clickRect.clipTo(picRect); | |
1185 var area = data.imgTrafo.invtransform(clickRect); | |
1186 data.zoomArea = area; | |
1187 // zoomed is always fit | |
1188 data.settings.ws = 1; | |
1189 redisplay(data); | |
1190 return false; | |
1191 }; | |
668 | 1192 |
654 | 1193 // mouse move handler |
1194 var zoomMove = function (evt) { | |
1195 pt2 = geom.position(evt); | |
1196 var rect = geom.rectangle(pt1, pt2); | |
1197 rect.clipTo(picRect); | |
1198 // update zoom div | |
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1199 rect.adjustDiv($zoomDiv); |
654 | 1200 return false; |
1201 }; | |
668 | 1202 |
654 | 1203 // bind start zoom handler |
1204 $scaler.one('mousedown.digilib', zoomStart); | |
1205 }; | |
647 | 1206 |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1207 var birdZoom = function(data) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1208 var $birdImg = data.$birdImg; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1209 var $birdZoom = data.$birdZoom; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1210 var startPos, newRect, birdImgRect, birdZoomRect; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1211 |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1212 var birdZoomMove = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1213 // mousemove handler: drag |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1214 var pos = geom.position(evt); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1215 var dx = pos.x - startPos.x; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1216 var dy = pos.y - startPos.y; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1217 // move birdZoom div, keeping size |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1218 newRect = geom.rectangle( |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1219 birdZoomRect.x + dx, |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1220 birdZoomRect.y + dy, |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1221 birdZoomRect.width, |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1222 birdZoomRect.height |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1223 ); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1224 // stay within birdimage |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1225 newRect.stayInside(birdImgRect); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1226 $birdZoom.offset({left : newRect.x, top : newRect.y}); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1227 // $birdZoom.show(); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1228 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1229 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1230 |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1231 var birdZoomEndDrag = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1232 // mouseup handler: reload page |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1233 var settings = data.settings; |
680 | 1234 $(document).unbind("mousemove.digilib", birdZoomMove); |
1235 $(document).unbind("mouseup.digilib", birdZoomEndDrag); | |
1236 $birdZoom.unbind("mousemove.digilib", birdZoomMove); | |
1237 $birdZoom.unbind("mouseup.digilib", birdZoomEndDrag); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1238 if (newRect == null) { // no movement happened |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1239 startPos = birdZoomRect.getCenter(); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1240 birdZoomMove(evt); // set center to click position |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1241 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1242 if (data.zoomArea) { |
679 | 1243 // should always be true |
1244 var x = cropFloat((newRect.x - birdImgRect.x + 2) / birdImgRect.width); | |
1245 var y = cropFloat((newRect.y - birdImgRect.y + 2) / birdImgRect.height); | |
1246 data.zoomArea.x = x; | |
1247 data.zoomArea.y = y; | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1248 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1249 settings.ws = 1; // zoomed is always fit |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1250 redisplay(data); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1251 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1252 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1253 |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1254 var birdZoomStartDrag = function(evt) { |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1255 // mousedown handler: start dragging bird zoom to a new position |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1256 startPos = geom.position(evt); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1257 birdImgRect = geom.rectangle($birdImg); |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1258 birdZoomRect = geom.rectangle($birdZoom); |
680 | 1259 $(document).bind("mousemove.digilib", birdZoomMove); |
1260 $(document).bind("mouseup.digilib", birdZoomEndDrag); | |
1261 $birdZoom.bind("mousemove.digilib", birdZoomMove); | |
1262 $birdZoom.bind("mouseup.digilib", birdZoomEndDrag); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1263 return false; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1264 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1265 |
681 | 1266 $birdImg.bind("mousedown.digilib", birdZoomStartDrag); |
1267 $birdZoom.bind("mousedown.digilib", birdZoomStartDrag); | |
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1268 }; |
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1269 |
705 | 1270 var setupZoomDrag = function(data) { |
1271 // setup handlers for dragging the zoomed image | |
1272 var pt1, pt2; | |
1273 var dx = 0; | |
1274 var dy = 0; | |
1275 var $elem = data.$elem; | |
1276 var $scaler = data.$scaler; | |
1277 var $img = data.$img; | |
707 | 1278 var $bg = $elem.has('div.bgDrag'); |
1279 if ($bg.length === 0) { | |
1280 $bg = $('<div class="bgDrag" style="display:none; position:absolute"/>'); | |
1281 $scaler.before($bg); // set as background | |
1282 }; | |
705 | 1283 |
1284 var dragStart = function (evt) { | |
1285 // drag the image and load a new detail on mouse up | |
1286 // useless if not zoomed | |
1287 if (isFullArea(data.zoomArea)) return false; | |
1288 if(evt.preventDefault) evt.preventDefault(); // no Firefox drag and drop (NEEDED?) | |
1289 pt1 = geom.position(evt); | |
1290 $imgRect = geom.rectangle($img); | |
1291 $imgRect.adjustDiv($bg); // set background size | |
1292 // hide the scaler image, show it as background of div instead | |
1293 $bg.css({ | |
1294 'background-image' : 'url(' + $img.attr('src') + ')', | |
1295 'background-repeat' : 'no-repeat', | |
706 | 1296 'background-position' : 'top left', |
705 | 1297 'cursor' : 'move' |
1298 }); | |
1299 $img.hide(); | |
1300 $bg.show(); | |
1301 $(document).bind("mousemove.digilib", dragMove); | |
1302 $(document).bind("mouseup.digilib", dragEnd); | |
1303 window.focus(); | |
1304 }; | |
1305 | |
1306 var dragMove = function (evt) { | |
1307 // mousemove handler: drag | |
1308 var pos = geom.position(evt); | |
1309 if(evt.preventDefault) evt.preventDefault(); // no Firefox drag and drop (NEEDED?) | |
1310 dx = pos.x - pt1.x; | |
1311 dy = pos.y - pt1.y; | |
1312 // move the background image to the new position | |
1313 $bg.css({ | |
1314 'background-position' : dx + "px " + dy + "px" | |
1315 }); | |
1316 return false; | |
1317 }; | |
1318 | |
1319 var dragEnd = function (evt) { | |
1320 // mouseup handler: reload digilib | |
1321 $bg.css({ | |
1322 'cursor' : 'default' | |
1323 }); | |
1324 $(document).unbind("mousemove.digilib", dragMove); | |
1325 $(document).unbind("mouseup.digilib", dragEnd); | |
1326 // calculate relative offset | |
1327 if (dx == 0 && dy == 0) | |
1328 return false // no movement | |
1329 // reload with scaler image showing the new ausschnitt | |
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1330 // digilib.moveBy(x, y); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1331 var pos = geom.position(-dx, -dy); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1332 var newPos = data.imgTrafo.invtransform(pos); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1333 var newArea = data.zoomArea.setPt1(newPos); |
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1334 data.zoomArea = MAX_ZOOMAREA.fit(newArea); |
706 | 1335 $bg.hide(); |
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1336 redisplay(data); |
705 | 1337 return false; |
1338 }; | |
1339 | |
1340 $scaler.bind("mousedown.digilib", dragStart); | |
1341 }; | |
1342 | |
703 | 1343 // get image quality as a number (0..2) |
1344 var getQuality = function (data) { | |
1345 var flags = data.scalerFlags; | |
1346 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
1347 return parseInt(q[1], 10); | |
706 | 1348 }; |
703 | 1349 |
1350 // set image quality as a number (0..2) | |
1351 var setQuality = function (data, qual) { | |
1352 var flags = data.scalerFlags; | |
1353 // clear flags | |
1354 for (var i = 0; i < 3; ++i) { | |
1355 delete flags['q'+i]; | |
1356 } | |
1357 flags['q'+qual] = 'q'+qual; | |
706 | 1358 }; |
703 | 1359 |
650 | 1360 // sets a key to a value (relative values with +/- if relative=true) |
1361 var setNumValue = function(settings, key, value) { | |
1362 if (isNumber(value)) return settings[key] = value; | |
1363 var sign = value.substring(0,1); | |
1364 if (sign === '+' || sign === '-') { | |
1365 if (settings[key] == null) { | |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1366 // this isn't perfect but still... |
650 | 1367 settings[key] = 0; |
1368 } | |
1369 settings[key] = parseFloat(settings[key]) + parseFloat(value); | |
1370 } else { | |
1371 settings[key] = value; | |
1372 } | |
1373 return settings[key]; | |
1374 }; | |
655 | 1375 |
1376 // auxiliary function (from old dllib.js) | |
659 | 1377 isFullArea = function(area) { |
1378 return (area.width === 1.0) && (area.height === 1.0); | |
655 | 1379 }; |
1380 | |
641 | 1381 // auxiliary function (from Douglas Crockford, A.10) |
1382 var isNumber = function isNumber(value) { | |
1383 return typeof value === 'number' && isFinite(value); | |
1384 }; | |
655 | 1385 |
631 | 1386 // auxiliary function to crop senseless precision |
1387 var cropFloat = function (x) { | |
637 | 1388 return parseInt(10000 * x, 10) / 10000; |
631 | 1389 }; |
655 | 1390 |
692 | 1391 // fallback for console.log calls |
1392 if (customConsole) { | |
1393 var logFunction = function(type) { | |
1394 return function(){ | |
1395 var $debug = $('#debug'); // debug div | |
1396 if (!$debug) return; | |
1397 var args = Array.prototype.slice.call(arguments); | |
1398 var argtext = args.join(' '); | |
1399 var $logDiv = $('<div/>'); | |
1400 $logDiv.addClass(type); | |
1401 $logDiv.text(argtext); | |
1402 $debug.append($logDiv); | |
1403 }; | |
1404 }; | |
1405 console.log = logFunction('_log'); | |
1406 console.debug = logFunction('_debug'); | |
1407 console.error = logFunction('_error'); | |
1408 }; | |
1409 | |
605 | 1410 // hook plugin into jquery |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1411 $.fn.digilib = function(action) { |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1412 if (actions[action]) { |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1413 // 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
|
1414 var $elem = $(this); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1415 var data = $elem.data('digilib'); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1416 var args = Array.prototype.slice.call(arguments, 1); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1417 args.unshift(data); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1418 return actions[action].apply(this, args); |
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1419 } else if (typeof(action) === 'object' || !action) { |
634 | 1420 // call init on this |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1421 return actions.init.apply(this, arguments); |
605 | 1422 } else { |
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1423 $.error( 'action ' + action + ' does not exist on jQuery.digilib' ); |
605 | 1424 } |
1425 }; | |
692 | 1426 |
604 | 1427 })(jQuery); |