Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 696:e05c60578bff jquery
add toggle for last buttonset
author | hertzhaft |
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date | Thu, 27 Jan 2011 15:37:39 +0100 |
parents | 5c39f5dd6296 |
children | 215ef40435c8 |
rev | line source |
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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($) { | |
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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 : { | |
119 onclick : "javascript:setQualityWin('Quality (0..2)')", | |
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 }, | |
690 | 138 moreoptions : { |
139 onclick : ["morebuttons", "+1"], | |
140 tooltip : "more options", | |
141 img : "options.png" | |
142 }, | |
143 lessoptions : { | |
144 onclick : ["morebuttons", "-1"], | |
145 tooltip : "less options", | |
610 | 146 img : "options.png" |
147 }, | |
148 SEP : { | |
149 img : "sep.png" | |
150 } | |
151 }; | |
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152 |
605 | 153 var defaults = { |
616 | 154 // version of this script |
635 | 155 'version' : 'jquery.digilib.js 0.9', |
616 | 156 // logo url |
157 'logoUrl' : '../img/digilib-logo-text1.png', | |
635 | 158 // homepage url (behind logo) |
159 'homeUrl' : 'http://digilib.berlios.de', | |
610 | 160 // base URL to Scaler servlet |
652 | 161 'scalerBaseUrl' : null, |
610 | 162 // list of Scaler parameters |
627 | 163 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
164 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
165 // Scaler parameter defaults | |
643 | 166 'pn' : 1, |
627 | 167 'ww' : 1.0, |
168 'wh' : 1.0, | |
169 'wx' : 0.0, | |
170 'wy' : 0.0, | |
171 'ws' : 1.0, | |
643 | 172 'mo' : '', |
173 'rot' : 0, | |
174 'cont' : 0, | |
175 'brgt' : 0, | |
176 'rgbm' : '0/0/0', | |
177 'rgba' : '0/0/0', | |
178 'ddpi' : null, | |
179 'ddpix' : null, | |
180 'ddpiy' : null, | |
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181 // list of digilib parameters |
650 | 182 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','mk','clop'], |
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183 // digilib parameter defaults |
643 | 184 'mk' : '', |
650 | 185 'clop' : '', |
643 | 186 // mode of operation: |
187 // fullscreen = take parameters from page URL, keep state in page URL | |
188 // embedded = take parameters from Javascript options, keep state inside object | |
610 | 189 'interactionMode' : 'fullscreen', |
651
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190 // buttons |
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191 'buttons' : buttons, |
668 | 192 // defaults for digilib buttons |
665 | 193 'buttonSettings' : { |
194 'fullscreen' : { | |
668 | 195 // path to button images (must end with a slash) |
665 | 196 'imagePath' : 'img/fullscreen/', |
690 | 197 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","SEP","help","reset","moreoptions"], |
198 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","SEP","lessoptions"], | |
682 | 199 'buttonSets' : ['standardSet', 'specialSet'] |
665 | 200 }, |
201 'embedded' : { | |
202 'imagePath' : 'img/embedded/16/', | |
693 | 203 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","back","fwd","page","bird","SEP","help","reset","moreoptions"], |
204 'specialSet' : ["hmir","vmir","rot","brgt","cont","rgb","quality","size","SEP","lessoptions"], | |
682 | 205 'buttonSets' : ['standardSet', 'specialSet'] |
665 | 206 } |
207 }, | |
652 | 208 // button groups |
616 | 209 // is birdView shown? |
210 'isBirdDivVisible' : false, | |
668 | 211 // dimensions of bird's eye div |
674 | 212 'birdDivWidth' : 200, |
213 'birdDivHeight' : 200, | |
668 | 214 // style of the zoom area indicator in the bird's eye div |
659 | 215 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, |
668 | 216 // style of zoom area "rubber band" |
217 'zoomrectStyle' : {'border' : '2px solid #ff0000' }, | |
616 | 218 // is the "about" window shown? |
219 'isAboutDivVisible' : false | |
220 | |
610 | 221 }; |
655 | 222 |
608 | 223 // affine geometry classes |
224 var geom = dlGeometry(); | |
655 | 225 |
643 | 226 var MAX_ZOOMAREA = geom.rectangle(0, 0, 1, 1); |
655 | 227 |
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228 var actions = { |
668 | 229 // init: digilib initialization |
230 init : function(options) { | |
231 // settings for this digilib instance are merged from defaults and options | |
232 var settings = $.extend({}, defaults, options); | |
233 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
234 var queryParams = {}; | |
235 if (isFullscreen) { | |
236 queryParams = parseQueryParams(); | |
237 // check scalerBaseUrl | |
238 if (settings.scalerBaseUrl == null) { | |
239 // try the host this came from | |
240 var h = window.location.host; | |
241 if (window.location.host) { | |
242 var url = window.location.href; | |
243 // assume the page lives in [webapp]/jquery/ | |
244 var pos = url.indexOf('jquery/'); | |
245 if (pos > 0) { | |
246 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
652 | 247 } |
248 } | |
636 | 249 } |
668 | 250 } |
251 return this.each(function() { | |
252 var $elem = $(this); | |
253 var data = $elem.data('digilib'); | |
688 | 254 var params, elemSettings; |
668 | 255 // if the plugin hasn't been initialized yet |
256 if (!data) { | |
257 // merge query parameters | |
258 if (isFullscreen) { | |
688 | 259 params = queryParams; |
668 | 260 } else { |
688 | 261 params = parseImgParams($elem); |
262 }; | |
668 | 263 // store $(this) element in the settings |
688 | 264 elemSettings = $.extend({}, settings, params); |
668 | 265 data = { |
266 $elem : $elem, | |
267 settings : elemSettings, | |
688 | 268 queryParams : params |
668 | 269 }; |
270 // store in data element | |
271 $elem.data('digilib', data); | |
272 } | |
273 unpackParams(data); | |
682 | 274 // create HTML structure for scaler |
668 | 275 setupScalerDiv(data); |
682 | 276 // HTML for buttons (default is first button set) |
277 setupButtons(data, 0); | |
668 | 278 // bird's eye view creation |
279 if (elemSettings.isBirdDivVisible) { | |
638 | 280 setupBirdDiv(data); |
281 } | |
668 | 282 // about window creation - TODO: could be deferred? restrict to only one item? |
283 setupAboutDiv(data); | |
284 }); | |
285 }, | |
286 | |
287 // destroy: clean up digilib | |
288 destroy : function(data) { | |
289 return this.each(function(){ | |
290 var $elem = $(this); | |
291 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
292 data.digilib.remove(); | |
293 $elem.removeData('digilib'); | |
294 }); | |
295 }, | |
296 | |
297 // show or hide the 'about' window | |
298 showAboutDiv : function(data, show) { | |
299 data.settings.isAboutDivVisible = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); | |
300 }, | |
655 | 301 |
668 | 302 // event handler: toggles the visibility of the bird's eye window |
303 showBirdDiv : function (data, show) { | |
304 if (data.$birdDiv == null) { | |
305 // no bird div -> create | |
306 setupBirdDiv(data); | |
307 } | |
308 // TODO: keep bird view visible after reload (parameter, cookie?) | |
309 data.settings.isBirdDivVisible = showDiv(data.settings.isBirdDivVisible, data.$birdDiv, show); | |
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310 cookie(data, 'birdview', data.settings.isBirdDivVisible ? "1" : "0"); |
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311 data.$birdImg.triggerHandler('load'); |
668 | 312 }, |
313 | |
314 // goto given page nr (+/-: relative) | |
315 gotoPage : function (data, pageNr) { | |
316 var settings = data.settings; | |
317 var oldpn = settings.pn; | |
318 var pn = setNumValue(settings, "pn", pageNr); | |
319 if (pn == null) return false; // nothing happened | |
320 if (pn < 1) { | |
321 alert("no such page (page number too low)"); | |
322 settings.pn = oldpn; | |
323 return false; | |
324 } | |
325 if (settings.pt) { | |
326 if (pn > settings.pt) { | |
327 alert("no such page (page number too high)"); | |
623 | 328 settings.pn = oldpn; |
329 return false; | |
634 | 330 } |
668 | 331 } |
332 // reset mk and others(?) | |
333 data.marks = []; | |
334 data.zoomArea = MAX_ZOOMAREA; | |
335 // then reload | |
336 redisplay(data); | |
337 }, | |
654 | 338 |
668 | 339 // zoom by a given factor |
340 zoomBy : function (data, factor) { | |
341 zoomBy(data, factor); | |
342 }, | |
647 | 343 |
668 | 344 // zoom interactively |
345 zoomArea : function (data) { | |
346 zoomArea(data); | |
347 }, | |
650 | 348 |
668 | 349 // zoom out to full page |
350 zoomFull : function (data, mode) { | |
351 data.zoomArea = MAX_ZOOMAREA; | |
352 if (mode === 'width') { | |
353 data.dlOpts.fitwidth = 1; | |
354 delete data.dlOpts.fitheight; | |
355 } else if (mode === 'height') { | |
356 data.dlOpts.fitheight = 1; | |
357 delete data.dlOpts.fitwidth; | |
358 } else { | |
359 delete data.dlOpts.fitwidth; | |
360 delete data.dlOpts.fitheight; | |
361 } | |
362 redisplay(data); | |
363 }, | |
364 | |
365 // set a mark by clicking (or giving a position) | |
366 setMark : function (data, mpos) { | |
367 if (mpos == null) { | |
368 // interactive | |
369 setMark(data); | |
370 } else { | |
371 // use position | |
372 data.marks.push(pos); | |
663 | 373 redisplay(data); |
604 | 374 } |
668 | 375 }, |
376 | |
377 // remove the last mark | |
378 removeMark : function (data) { | |
379 data.marks.pop(); | |
380 redisplay(data); | |
381 }, | |
382 | |
383 // mirror the image | |
384 mirror : function (data, mode) { | |
385 var flags = data.scalerFlags; | |
386 if (mode === 'h') { | |
387 if (flags.hmir) { | |
388 delete flags.hmir; | |
389 } else { | |
390 flags.hmir = 1; | |
391 } | |
392 } else { | |
393 if (flags.vmir) { | |
394 delete flags.vmir; | |
395 } else { | |
396 flags.vmir = 1; | |
397 } | |
398 } | |
399 redisplay(data); | |
400 }, | |
650 | 401 |
668 | 402 // rotate the image |
403 rotate : function (data, angle) { | |
404 var rot = data.settings.rot; | |
405 if (angle == null) { | |
406 angle = window.prompt("Rotation angle:", rot); | |
407 } | |
408 data.settings.rot = angle; | |
409 redisplay(data); | |
410 }, | |
411 | |
412 // change brightness | |
413 brightness : function (data, factor) { | |
414 var brgt = data.settings.brgt; | |
415 if (factor == null) { | |
416 factor = window.prompt("Brightness (-255..255)", brgt); | |
417 } | |
418 data.settings.brgt = factor; | |
419 redisplay(data); | |
420 }, | |
421 | |
422 // change contrast | |
423 contrast : function (data, factor) { | |
424 var cont = data.settings.cont; | |
425 if (factor == null) { | |
426 factor = window.prompt("Contrast (-8, 8)", cont); | |
427 } | |
428 data.settings.cont = factor; | |
429 redisplay(data); | |
688 | 430 }, |
690 | 431 |
432 // display more (or less) button sets | |
433 morebuttons : function (data, more) { | |
696 | 434 var settings = data.settings; |
435 // toggle if all buffersets are shown | |
436 totalButtonSets = settings.buttonSettings[settings.interactionMode].buttonSets.length; | |
437 if (more === '-1' || data.visibleButtonSets === totalButtonSets) { | |
690 | 438 // remove set |
439 var setIdx = data.visibleButtonSets - 1; | |
440 var $lastSet = data.$buttonSets[setIdx]; | |
441 if ($lastSet == null) return; | |
442 var btnWidth = $lastSet.width(); | |
443 // hide last set | |
444 $lastSet.hide(); | |
445 // take remaining sets and move right | |
446 var $otherSets = data.$elem.find('div.buttons:visible'); | |
447 $otherSets.animate({left : '+='+btnWidth+'px'}); | |
448 data.visibleButtonSets -= 1; | |
449 } else { | |
450 // add set | |
451 var $oldSets = data.$elem.find('div.buttons:visible'); | |
452 var setIdx = data.visibleButtonSets; | |
453 var $newSet; | |
454 if (data.$buttonSets[setIdx]) { | |
455 // set exists | |
456 $newSet = data.$buttonSets[setIdx]; | |
457 } else { | |
458 $newSet = setupButtons(data, setIdx); | |
459 } | |
460 if ($newSet == null) return; | |
461 var btnWidth = $newSet.width(); | |
462 // move remaining sets left and show new set | |
463 $oldSets.animate({left : '-='+btnWidth+'px'}, | |
464 function () {$newSet.show();}); | |
465 data.visibleButtonSets += 1; | |
466 } | |
691 | 467 }, |
688 | 468 |
469 reset : function (data) { | |
470 var settings = data.settings; | |
471 var paramNames = settings.digilibParamNames; | |
472 var params = data.queryParams; | |
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') { | |
481 settings['fn'] = params.fn; | |
482 settings['pn'] = params.pn; | |
483 // embedded: restore original parameters | |
484 } else { | |
485 $.extend(settings, params); | |
486 }; | |
487 redisplay(data); | |
689 | 488 }, |
489 | |
490 reference : function (data) { | |
491 var settings = data.settings; | |
492 var url; | |
493 if (settings.interactionMode === 'fullscreen') { | |
494 url = getDigilibUrl(data); | |
495 } else { | |
496 url = getScalerUrl(data); | |
497 }; | |
498 window.prompt("URL reference to the current view", url); | |
668 | 499 } |
605 | 500 }; |
604 | 501 |
608 | 502 // returns parameters from page url |
607 | 503 var parseQueryParams = function() { |
636 | 504 return parseQueryString(window.location.search.slice(1)); |
505 }; | |
655 | 506 |
636 | 507 // returns parameters from embedded img-element |
607 | 508 var parseImgParams = function($elem) { |
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509 var src = $elem.find('img').first().attr('src'); |
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510 if (!src) { |
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511 return null; |
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512 } |
607 | 513 var pos = src.indexOf('?'); |
514 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
515 var scalerUrl = src.substring(0, pos); | |
627 | 516 var params = parseQueryString(query); |
517 params.scalerBaseUrl = scalerUrl; | |
518 return params; | |
636 | 519 }; |
607 | 520 |
608 | 521 // parses query parameter string into parameter object |
607 | 522 var parseQueryString = function(query) { |
523 var pairs = query.split("&"); | |
627 | 524 var params = {}; |
636 | 525 //var keys = []; |
607 | 526 for (var i = 0; i < pairs.length; i++) { |
527 var pair = pairs[i].split("="); | |
528 if (pair.length === 2) { | |
627 | 529 params[pair[0]] = pair[1]; |
636 | 530 //keys.push(pair[0]); |
634 | 531 } |
636 | 532 } |
627 | 533 return params; |
636 | 534 }; |
668 | 535 |
643 | 536 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
537 var getParamString = function (settings, keys, defaults) { | |
615 | 538 var paramString = ''; |
650 | 539 var nx = false; |
615 | 540 for (i = 0; i < keys.length; ++i) { |
541 var key = keys[i]; | |
663 | 542 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
615 | 543 // first param gets no '&' |
650 | 544 if (nx) { |
545 paramString += '&'; | |
546 } else { | |
547 nx = true; | |
548 } | |
615 | 549 // add parm=val |
550 paramString += key + '=' + settings[key]; | |
643 | 551 } |
615 | 552 } |
553 return paramString; | |
631 | 554 }; |
555 | |
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556 // set/get cookie for current image |
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557 var cookie = function (data, key, value) { |
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558 var settings = data.settings; |
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559 var fn = settings.fn; |
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560 var pn = settings.pn; |
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561 var name = key + ":fn=" + fn + ":pn=" + pn; |
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562 var result = (typeof value === 'undefined') ? $.cookie(name) : $.cookie(name, value, 7); |
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563 console.log("cookie=", name, " value=", $.cookie(name)); |
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564 return result; |
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565 }; |
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566 |
636 | 567 // returns URL and query string for Scaler |
568 var getScalerUrl = function (data) { | |
653 | 569 var settings = data.settings; |
652 | 570 if (settings.scalerBaseUrl == null) { |
571 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
572 } | |
665 | 573 packParams(data); |
636 | 574 var keys = settings.scalerParamNames; |
643 | 575 var queryString = getParamString(settings, keys, defaults); |
636 | 576 var url = settings.scalerBaseUrl + '?' + queryString; |
577 return url; | |
578 }; | |
579 | |
580 // returns URL and query string for current digilib | |
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581 var getDigilibUrl = function (data) { |
643 | 582 packParams(data); |
636 | 583 var settings = data.settings; |
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584 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
636 | 585 var url = window.location.toString(); |
586 var pos = url.indexOf('?'); | |
587 var baseUrl = url.substring(0, pos); | |
588 var newurl = baseUrl + '?' + queryString; | |
589 return newurl; | |
590 }; | |
591 | |
655 | 592 // processes some parameters into objects and stuff |
631 | 593 var unpackParams = function (data) { |
594 var settings = data.settings; | |
636 | 595 // zoom area |
631 | 596 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
643 | 597 data.zoomArea = zoomArea; |
636 | 598 // marks |
631 | 599 var marks = []; |
650 | 600 if (settings.mk) { |
601 var mk = settings.mk; | |
602 if (mk.indexOf(";") >= 0) { | |
603 var pa = mk.split(";"); // old format with ";" | |
604 } else { | |
605 var pa = mk.split(","); // new format | |
606 } | |
607 for (var i = 0; i < pa.length ; i++) { | |
608 var pos = pa[i].split("/"); | |
609 if (pos.length > 1) { | |
610 marks.push(geom.position(pos[0], pos[1])); | |
611 } | |
633 | 612 } |
631 | 613 } |
643 | 614 data.marks = marks; |
650 | 615 // mo (Scaler flags) |
616 var flags = {}; | |
617 if (settings.mo) { | |
618 var pa = settings.mo.split(","); | |
619 for (var i = 0; i < pa.length ; i++) { | |
620 flags[pa[i]] = pa[i]; | |
621 } | |
622 } | |
623 data.scalerFlags = flags; | |
624 // clop (digilib options) | |
625 var opts = {}; | |
626 if (settings.clop) { | |
627 var pa = settings.clop.split(","); | |
628 for (var i = 0; i < pa.length ; i++) { | |
629 opts[pa[i]] = pa[i]; | |
630 } | |
631 } | |
632 data.dlOpts = opts; | |
661 | 633 // birdview option |
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634 if (cookie(data, 'birdview') === '1') { |
661 | 635 settings.isBirdDivVisible = 1; |
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636 } |
655 | 637 }; |
638 | |
631 | 639 // put objects back into parameters |
640 var packParams = function (data) { | |
641 var settings = data.settings; | |
636 | 642 // zoom area |
643 | 643 if (data.zoomArea) { |
647 | 644 settings.wx = cropFloat(data.zoomArea.x); |
645 settings.wy = cropFloat(data.zoomArea.y); | |
646 settings.ww = cropFloat(data.zoomArea.width); | |
647 settings.wh = cropFloat(data.zoomArea.height); | |
631 | 648 } |
636 | 649 // marks |
643 | 650 if (data.marks) { |
650 | 651 settings.mk = ''; |
643 | 652 for (var i = 0; i < data.marks.length; i++) { |
650 | 653 if (i) { |
654 settings.mk += ','; | |
655 } | |
656 settings.mk += cropFloat(data.marks[i].x).toString() + '/' + cropFloat(data.marks[i].y).toString(); | |
631 | 657 } |
650 | 658 } |
659 // Scaler flags | |
660 if (data.scalerFlags) { | |
661 var mo = ''; | |
662 for (var f in data.scalerFlags) { | |
663 if (mo) { | |
664 mo += ','; | |
665 } | |
666 mo += f; | |
667 } | |
668 settings.mo = mo; | |
669 } | |
695
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670 // digilib option birdview |
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671 // cookie(data, 'birdview', settings.isBirdDivVisible ? "1" : "0"); |
688 | 672 |
650 | 673 // digilib options |
674 if (data.dlOpts) { | |
675 var clop = ''; | |
676 for (var o in data.dlOpts) { | |
677 if (clop) { | |
678 clop += ','; | |
679 } | |
680 clop += o; | |
681 } | |
682 settings.clop = clop; | |
631 | 683 } |
684 }; | |
655 | 685 |
688 | 686 // clear digilib data for reset |
687 var resetData = function (data) { | |
688 if (data.zoomArea) delete data.zoomArea; | |
689 if (data.marks) delete data.marks; | |
690 if (data.scalerFlags) delete data.scalerFlags; | |
691 if (data.dlOpts) delete data.dlOpts; | |
692 }; | |
693 | |
622 | 694 // (re)load the img from a new scaler URL |
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695 var redisplay = function (data) { |
636 | 696 var settings = data.settings; |
697 if (settings.interactionMode === 'fullscreen') { | |
698 // update location.href (browser URL) in fullscreen mode | |
644
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699 var url = getDigilibUrl(data); |
636 | 700 var history = window.history; |
701 if (typeof(history.pushState) === 'function') { | |
702 console.debug("we could modify history, but we don't..."); | |
703 } | |
704 window.location = url; | |
705 } else { | |
706 // embedded mode -- just change img src | |
707 var url = getScalerUrl(data); | |
708 data.$img.attr('src', url); | |
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709 // and update bird's eye view |
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710 //if (settings.isBirdDivVisible) { |
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711 // renderBirdZoom(data); |
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712 //} |
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713 }; |
622 | 714 }; |
715 | |
662 | 716 // returns maximum size for scaler img in fullscreen mode |
717 var getFullscreenImgSize = function($elem) { | |
718 var $win = $(window); | |
719 var winH = $win.height(); | |
720 var winW = $win.width(); | |
721 // TODO: account for borders? | |
722 return geom.size(winW, winH); | |
723 }; | |
724 | |
608 | 725 // creates HTML structure for digilib in elem |
627 | 726 var setupScalerDiv = function (data) { |
727 var settings = data.settings; | |
647 | 728 var $elem = data.$elem; |
686 | 729 var $img, scalerUrl; |
730 // fullscreen | |
608 | 731 if (settings.interactionMode === 'fullscreen') { |
609 | 732 var imgSize = getFullscreenImgSize($elem); |
650 | 733 // fitwidth/height omits destination height/width |
734 if (data.dlOpts['fitheight'] == null) { | |
735 settings.dw = imgSize.width; | |
686 | 736 }; |
650 | 737 if (data.dlOpts['fitwidth'] == null) { |
738 settings.dh = imgSize.height; | |
686 | 739 }; |
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740 $img = $('<img/>'); |
686 | 741 scalerUrl = getScalerUrl(data); |
742 // embedded mode -- try to keep img tag | |
609 | 743 } else { |
623 | 744 $img = $elem.find('img'); |
613
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745 if ($img.length > 0) { |
686 | 746 console.debug("img detach:", $img); |
747 scalerUrl = $img.attr('src'); | |
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748 $img.detach(); |
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749 } else { |
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750 $img = $('<img/>'); |
686 | 751 scalerUrl = getScalerUrl(data); |
752 }; | |
608 | 753 } |
613
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754 // create new html |
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755 $elem.empty(); // TODO: should we keep stuff for customization? |
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756 var $scaler = $('<div class="scaler"/>'); |
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757 $elem.append($scaler); |
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758 $scaler.append($img); |
622 | 759 $img.addClass('pic'); |
649 | 760 data.$scaler = $scaler; |
636 | 761 data.$img = $img; |
687 | 762 // setup image load handler before setting the src attribute (IE bug) |
763 $img.load(scalerImgLoadedHandler(data)); | |
764 $img.attr('src', scalerUrl); | |
608 | 765 }; |
615 | 766 |
610 | 767 // creates HTML structure for buttons in elem |
682 | 768 var setupButtons = function (data, buttonSetIdx) { |
647 | 769 var $elem = data.$elem; |
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770 var settings = data.settings; |
665 | 771 var mode = settings.interactionMode; |
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772 var buttonSettings = settings.buttonSettings[mode]; |
682 | 773 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
690 | 774 if (buttonGroup == null) { |
775 // no buttons here | |
776 return; | |
777 } | |
778 var $buttonsDiv = $('<div class="buttons"/>'); | |
682 | 779 var buttonNames = buttonSettings[buttonGroup]; |
780 for (var i = 0; i < buttonNames.length; i++) { | |
781 var buttonName = buttonNames[i]; | |
782 var buttonConfig = settings.buttons[buttonName]; | |
665 | 783 // construct the button html |
784 var $button = $('<div class="button"></div>'); | |
785 var $a = $('<a/>'); | |
786 var $img = $('<img class="button"/>'); | |
787 $buttonsDiv.append($button); | |
788 $button.append($a); | |
789 $a.append($img); | |
790 // add attributes and bindings | |
791 $button.attr('title', buttonConfig.tooltip); | |
682 | 792 $button.addClass('button-' + buttonName); |
665 | 793 // create handler for the buttons |
794 $a.bind('click.digilib', (function () { | |
795 // we create a new closure to capture the value of action | |
796 var action = buttonConfig.onclick; | |
797 if ($.isArray(action)) { | |
798 // the handler function calls digilib with action and parameters | |
799 return function (evt) { | |
800 console.debug('click action=', action, ' evt=', evt); | |
801 $elem.digilib.apply($elem, action); | |
802 return false; | |
803 }; | |
804 } else { | |
805 // the handler function calls digilib with action | |
806 return function (evt) { | |
807 console.debug('click action=', action, ' evt=', evt); | |
808 $elem.digilib(action); | |
809 return false; | |
810 }; | |
811 } | |
812 })()); | |
813 $img.attr('src', buttonSettings.imagePath + buttonConfig.img); | |
690 | 814 } |
662 | 815 // make buttons div scroll if too large for window |
816 if ($buttonsDiv.height() > $(window).height() - 10) { | |
817 $buttonsDiv.css('position', 'absolute'); | |
818 } | |
682 | 819 if (data.$buttonSets == null) { |
690 | 820 // show first button set |
821 $elem.append($buttonsDiv); | |
682 | 822 data.$buttonSets = [$buttonsDiv]; |
823 data.visibleButtonSets = 1; | |
824 } else { | |
690 | 825 // hide later button sets |
826 $buttonsDiv.hide(); | |
827 $elem.append($buttonsDiv); | |
682 | 828 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
829 } | |
612 | 830 return $buttonsDiv; |
610 | 831 }; |
615 | 832 |
833 // creates HTML structure for the bird's eye view in elem | |
638 | 834 var setupBirdDiv = function (data) { |
647 | 835 var $elem = data.$elem; |
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836 var settings = data.settings; |
615 | 837 // use only the relevant parameters |
838 var keys = ['fn','pn','dw','dh']; | |
674 | 839 var birdDivOptions = { |
840 dw : settings.birdDivWidth, | |
841 dh : settings.birdDivHeight | |
842 }; | |
843 var birdSettings = $.extend({}, settings, birdDivOptions); | |
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844 var birdUrl = settings.scalerBaseUrl + '?' + getParamString(birdSettings, keys); |
615 | 845 // the bird's eye div |
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846 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
615 | 847 // the detail indicator frame |
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848 var $birdZoom = $('<div class="birdZoom" style="display:none; position:absolute; background-color:transparent;"/>'); |
615 | 849 // the small image |
850 var $birdImg = $('<img class="birdimg"/>'); | |
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851 $elem.append($birdDiv); |
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852 $birdDiv.append($birdZoom); |
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853 $birdDiv.append($birdImg); |
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854 $birdZoom.css(data.settings.birdIndicatorStyle); |
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855 data.$birdDiv = $birdDiv; |
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856 data.$birdZoom = $birdZoom; |
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857 data.$birdImg = $birdImg; |
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858 $birdImg.load(birdImgLoadedHandler(data)); |
615 | 859 $birdImg.attr('src', birdUrl); |
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860 if (data.settings.isBirdDivVisible) { |
687 | 861 $birdDiv.show(); |
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862 }; |
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863 birdZoom(data); |
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864 }; |
615 | 865 |
625 | 866 // creates HTML structure for the about view in elem |
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867 var setupAboutDiv = function (data) { |
647 | 868 var $elem = data.$elem; |
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869 var settings = data.settings; |
625 | 870 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
616 | 871 var $header = $('<p>Digilib Graphic Viewer</p>'); |
872 var $link = $('<a/>'); | |
873 var $logo = $('<img class="logo" title="digilib"/>'); | |
874 var $content = $('<p/>'); | |
875 $elem.append($aboutDiv); | |
876 $aboutDiv.append($header); | |
877 $aboutDiv.append($link); | |
878 $aboutDiv.append($content); | |
879 $link.append($logo); | |
880 $logo.attr('src', settings.logoUrl); | |
635 | 881 $link.attr('href', settings.homeUrl); |
616 | 882 $content.text('Version: ' + settings.version); |
635 | 883 // click hides |
649 | 884 $aboutDiv.bind('click.digilib', function () { |
646 | 885 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
649 | 886 return false; |
887 }); | |
635 | 888 data.$aboutDiv = $aboutDiv; |
634 | 889 }; |
890 | |
635 | 891 // shows some window e.g. 'about' (toggle visibility if show is null) |
892 var showDiv = function (isVisible, $div, show) { | |
645 | 893 if (show == null) { |
635 | 894 // toggle visibility |
895 isVisible = !isVisible; | |
896 } else { | |
897 // set visibility | |
898 isVisible = show; | |
899 } | |
900 if (isVisible) { | |
901 $div.fadeIn(); | |
902 } else { | |
903 $div.fadeOut(); | |
904 } | |
905 return isVisible; | |
634 | 906 }; |
616 | 907 |
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908 // create Transform from area and $img |
675 | 909 var getImgTrafo = function ($img, area, rot, hmir, vmir) { |
658
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910 var picrect = geom.rectangle($img); |
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911 var trafo = geom.transform(); |
675 | 912 // move zoom area offset to center |
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913 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
675 | 914 // scale zoom area size to [1,1] |
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915 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
675 | 916 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
917 if (rot || hmir || vmir) { | |
918 // move [0.5,0.5] to center | |
919 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
920 if (hmir) { | |
921 // mirror about center | |
922 trafo.concat(trafo.getMirror('y')); | |
923 } | |
924 if (vmir) { | |
925 // mirror about center | |
926 trafo.concat(trafo.getMirror('x')); | |
927 } | |
928 if (rot) { | |
929 // rotate around center | |
930 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
931 } | |
932 // move back | |
933 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
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934 } |
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935 // scale to screen position and size |
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936 trafo.concat(trafo.getScale(picrect)); |
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937 trafo.concat(trafo.getTranslation(picrect)); |
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938 return trafo; |
655 | 939 }; |
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940 |
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941 // returns function for load event of scaler img |
636 | 942 var scalerImgLoadedHandler = function (data) { |
943 var $img = data.$img; | |
633 | 944 return function () { |
627 | 945 console.debug("img loaded! this=", this, " data=", data); |
946 // create Transform from current area and picsize | |
675 | 947 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
948 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir); | |
686 | 949 console.debug("imgTrafo=", data.imgTrafo); |
627 | 950 // display marks |
633 | 951 renderMarks(data); |
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952 // TODO: digilib.showArrows(); // show arrow overlays for zoom navigation |
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953 // TODO: the birdview should adapt to mirror or rotation? |
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954 var $birdImg = data.$birdImg; |
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955 if ($birdImg) { |
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956 $birdImg.triggerHandler('load'); |
678
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957 }; |
658
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958 }; |
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959 }; |
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960 |
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961 // returns function for load event of bird's eye view img |
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962 var birdImgLoadedHandler = function (data) { |
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963 var $img = data.$birdImg; |
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964 return function () { |
677
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965 console.debug("birdimg loaded! this=", this, " data=", data); |
658
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966 // create Transform from current area and picsize |
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967 data.birdTrafo = getImgTrafo($img, MAX_ZOOMAREA); |
668 | 968 // display red indicator around zoomarea |
678
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969 renderbirdZoom(data); |
613
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970 }; |
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971 }; |
633 | 972 |
973 // place marks on the image | |
974 var renderMarks = function (data) { | |
647 | 975 var $elem = data.$elem; |
643 | 976 var marks = data.marks; |
649 | 977 // TODO: clear marks first(?) |
633 | 978 for (var i = 0; i < marks.length; i++) { |
979 var mark = marks[i]; | |
643 | 980 if (data.zoomArea.containsPosition(mark)) { |
633 | 981 var mpos = data.imgTrafo.transform(mark); |
664
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982 console.debug("renderMarks: mpos=",mpos); |
633 | 983 // create mark |
984 var html = '<div class="mark">'+(i+1)+'</div>'; | |
985 var $mark = $(html); | |
986 $elem.append($mark); | |
654 | 987 $mark.offset({left : mpos.x, top : mpos.y}); |
633 | 988 } |
989 } | |
990 }; | |
655 | 991 |
677
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992 // show zoom area indicator on bird's eye view |
678
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993 var renderbirdZoom = function (data) { |
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994 var $birdZoom = data.$birdZoom; |
659 | 995 var zoomArea = data.zoomArea; |
996 var indRect = data.birdTrafo.transform(zoomArea); | |
670
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997 var coords = { |
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998 left : indRect.x-2, // acount for frame width |
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999 top : indRect.y-2, |
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1000 width : indRect.width, |
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1001 height: indRect.height |
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1002 }; |
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1003 var normalSize = isFullArea(zoomArea); |
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1004 if (data.settings.interactionMode === 'fullscreen') { |
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1005 // no animation for fullscreen |
678
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1006 if (normalSize) return $birdZoom.hide(); |
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1007 $birdZoom.width(coords.width); |
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1008 $birdZoom.height(coords.height); |
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1009 $birdZoom.offset(coords); |
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1010 $birdZoom.show(); |
670
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1011 return; |
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1012 }; |
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1013 // nice animation for embedded mode :-) |
678
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1014 var makeCompleteFunction = function($birdZoom, normalSize) { |
670
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1015 return function() { |
678
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1016 if (normalSize) $birdZoom.hide(); |
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1017 }; |
670
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1018 }; |
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1019 var opts = { |
678
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1020 'complete' : makeCompleteFunction($birdZoom, normalSize) |
670
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1021 }; |
678
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1022 if (!normalSize && $birdZoom.css('display') === 'none') $birdZoom.show(); |
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1023 $birdZoom.animate(coords, opts); |
664
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1024 }; |
659 | 1025 |
647 | 1026 // zooms by the given factor |
643 | 1027 var zoomBy = function(data, factor) { |
1028 var area = data.zoomArea; | |
1029 var newarea = area.copy(); | |
1030 // scale | |
1031 newarea.width /= factor; | |
1032 newarea.height /= factor; | |
1033 // and recenter | |
1034 newarea.x -= 0.5 * (newarea.width - area.width); | |
1035 newarea.y -= 0.5 * (newarea.height - area.height); | |
1036 newarea = MAX_ZOOMAREA.fit(newarea); | |
1037 data.zoomArea = newarea; | |
644
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1038 redisplay(data); |
643 | 1039 }; |
1040 | |
647 | 1041 // add a mark where clicked |
1042 var setMark = function (data) { | |
649 | 1043 var $scaler = data.$scaler; |
647 | 1044 // start event capturing |
649 | 1045 $scaler.one('click.digilib', function (evt) { |
647 | 1046 // event handler adding a new mark |
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1047 var mpos = geom.position(evt); |
647 | 1048 var pos = data.imgTrafo.invtransform(mpos); |
1049 data.marks.push(pos); | |
1050 redisplay(data); | |
649 | 1051 return false; // do we even get here? |
647 | 1052 }); |
1053 }; | |
668 | 1054 |
654 | 1055 var zoomArea = function(data) { |
1056 $elem = data.$elem; | |
1057 $scaler = data.$scaler; | |
1058 var pt1, pt2; | |
1059 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
1060 $elem.append($zoomDiv); | |
668 | 1061 $zoomDiv.css(data.settings.zoomrectStyle); |
654 | 1062 var picRect = geom.rectangle($scaler); |
1063 // FIX ME: is there a way to query the border width from CSS info? | |
1064 // rect.x -= 2; // account for overlay borders | |
1065 // rect.y -= 2; | |
1066 | |
1067 var zoomStart = function (evt) { | |
1068 pt1 = geom.position(evt); | |
1069 // setup and show zoom div | |
1070 //moveElement(zoomdiv, Rectangle(pt1.x, pt1.y, 0, 0)); | |
1071 $zoomDiv.offset({left : pt1.x, top : pt1.y}); | |
668 | 1072 $zoomDiv.width(0).height(0); |
654 | 1073 $zoomDiv.show(); |
1074 // register events | |
1075 $elem.bind("mousemove.digilib", zoomMove); | |
1076 $elem.bind("mouseup.digilib", zoomEnd); | |
1077 return false; | |
1078 }; | |
668 | 1079 |
654 | 1080 // mouseup handler: end moving |
1081 var zoomEnd = function (evt) { | |
1082 pt2 = geom.position(evt); | |
1083 // assume a click and continue if the area is too small | |
1084 var clickRect = geom.rectangle(pt1, pt2); | |
1085 if (clickRect.getArea() <= 5) { | |
1086 return false; | |
1087 } | |
1088 // hide zoom div | |
1089 $zoomDiv.remove(); | |
1090 // unregister events | |
1091 $elem.unbind("mousemove.digilib", zoomMove); | |
1092 $elem.unbind("mouseup.digilib", zoomEnd); | |
1093 // clip and transform | |
1094 clickRect.clipTo(picRect); | |
1095 var area = data.imgTrafo.invtransform(clickRect); | |
1096 data.zoomArea = area; | |
1097 // zoomed is always fit | |
1098 data.settings.ws = 1; | |
1099 redisplay(data); | |
1100 return false; | |
1101 }; | |
668 | 1102 |
654 | 1103 // mouse move handler |
1104 var zoomMove = function (evt) { | |
1105 pt2 = geom.position(evt); | |
1106 var rect = geom.rectangle(pt1, pt2); | |
1107 rect.clipTo(picRect); | |
1108 // update zoom div | |
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1109 rect.adjustDiv($zoomDiv); |
654 | 1110 return false; |
1111 }; | |
668 | 1112 |
654 | 1113 // bind start zoom handler |
1114 $scaler.one('mousedown.digilib', zoomStart); | |
1115 }; | |
647 | 1116 |
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1117 var birdZoom = function(data) { |
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1118 var $birdImg = data.$birdImg; |
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1119 var $birdZoom = data.$birdZoom; |
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1120 var startPos, newRect, birdImgRect, birdZoomRect; |
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1121 |
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1122 var birdZoomMove = function(evt) { |
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1123 // mousemove handler: drag |
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1124 var pos = geom.position(evt); |
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1125 var dx = pos.x - startPos.x; |
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1126 var dy = pos.y - startPos.y; |
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1127 // move birdZoom div, keeping size |
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1128 newRect = geom.rectangle( |
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1129 birdZoomRect.x + dx, |
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1130 birdZoomRect.y + dy, |
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1131 birdZoomRect.width, |
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1132 birdZoomRect.height |
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1133 ); |
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1134 // stay within birdimage |
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1135 newRect.stayInside(birdImgRect); |
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1136 $birdZoom.offset({left : newRect.x, top : newRect.y}); |
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1137 // $birdZoom.show(); |
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1138 return false; |
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1139 }; |
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1140 |
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1141 var birdZoomEndDrag = function(evt) { |
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1142 // mouseup handler: reload page |
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1143 var settings = data.settings; |
680 | 1144 $(document).unbind("mousemove.digilib", birdZoomMove); |
1145 $(document).unbind("mouseup.digilib", birdZoomEndDrag); | |
1146 $birdZoom.unbind("mousemove.digilib", birdZoomMove); | |
1147 $birdZoom.unbind("mouseup.digilib", birdZoomEndDrag); | |
678
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1148 if (newRect == null) { // no movement happened |
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1149 startPos = birdZoomRect.getCenter(); |
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1150 birdZoomMove(evt); // set center to click position |
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1151 }; |
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1152 if (data.zoomArea) { |
679 | 1153 // should always be true |
1154 var x = cropFloat((newRect.x - birdImgRect.x + 2) / birdImgRect.width); | |
1155 var y = cropFloat((newRect.y - birdImgRect.y + 2) / birdImgRect.height); | |
1156 data.zoomArea.x = x; | |
1157 data.zoomArea.y = y; | |
678
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1158 }; |
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1159 settings.ws = 1; // zoomed is always fit |
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1160 redisplay(data); |
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1161 return false; |
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1162 }; |
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1163 |
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1164 var birdZoomStartDrag = function(evt) { |
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1165 // mousedown handler: start dragging bird zoom to a new position |
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1166 startPos = geom.position(evt); |
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1167 birdImgRect = geom.rectangle($birdImg); |
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1168 birdZoomRect = geom.rectangle($birdZoom); |
680 | 1169 $(document).bind("mousemove.digilib", birdZoomMove); |
1170 $(document).bind("mouseup.digilib", birdZoomEndDrag); | |
1171 $birdZoom.bind("mousemove.digilib", birdZoomMove); | |
1172 $birdZoom.bind("mouseup.digilib", birdZoomEndDrag); | |
678
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1173 return false; |
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1174 }; |
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1175 |
681 | 1176 $birdImg.bind("mousedown.digilib", birdZoomStartDrag); |
1177 $birdZoom.bind("mousedown.digilib", birdZoomStartDrag); | |
678
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1178 }; |
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1179 |
650 | 1180 // sets a key to a value (relative values with +/- if relative=true) |
1181 var setNumValue = function(settings, key, value) { | |
1182 if (isNumber(value)) return settings[key] = value; | |
1183 var sign = value.substring(0,1); | |
1184 if (sign === '+' || sign === '-') { | |
1185 if (settings[key] == null) { | |
651
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1186 // this isn't perfect but still... |
650 | 1187 settings[key] = 0; |
1188 } | |
1189 settings[key] = parseFloat(settings[key]) + parseFloat(value); | |
1190 } else { | |
1191 settings[key] = value; | |
1192 } | |
1193 return settings[key]; | |
1194 }; | |
655 | 1195 |
1196 // auxiliary function (from old dllib.js) | |
659 | 1197 isFullArea = function(area) { |
1198 return (area.width === 1.0) && (area.height === 1.0); | |
655 | 1199 }; |
1200 | |
641 | 1201 // auxiliary function (from Douglas Crockford, A.10) |
1202 var isNumber = function isNumber(value) { | |
1203 return typeof value === 'number' && isFinite(value); | |
1204 }; | |
655 | 1205 |
631 | 1206 // auxiliary function to crop senseless precision |
1207 var cropFloat = function (x) { | |
637 | 1208 return parseInt(10000 * x, 10) / 10000; |
631 | 1209 }; |
655 | 1210 |
692 | 1211 // fallback for console.log calls |
1212 if (customConsole) { | |
1213 var logFunction = function(type) { | |
1214 return function(){ | |
1215 var $debug = $('#debug'); // debug div | |
1216 if (!$debug) return; | |
1217 var args = Array.prototype.slice.call(arguments); | |
1218 var argtext = args.join(' '); | |
1219 var $logDiv = $('<div/>'); | |
1220 $logDiv.addClass(type); | |
1221 $logDiv.text(argtext); | |
1222 $debug.append($logDiv); | |
1223 }; | |
1224 }; | |
1225 console.log = logFunction('_log'); | |
1226 console.debug = logFunction('_debug'); | |
1227 console.error = logFunction('_error'); | |
1228 }; | |
1229 | |
605 | 1230 // hook plugin into jquery |
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1231 $.fn.digilib = function(action) { |
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1232 if (actions[action]) { |
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1233 // call action on this with the remaining arguments (inserting data as first argument) |
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1234 var $elem = $(this); |
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1235 var data = $elem.data('digilib'); |
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1236 var args = Array.prototype.slice.call(arguments, 1); |
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1237 args.unshift(data); |
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1238 return actions[action].apply(this, args); |
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1239 } else if (typeof(action) === 'object' || !action) { |
634 | 1240 // call init on this |
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1241 return actions.init.apply(this, arguments); |
605 | 1242 } else { |
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1243 $.error( 'action ' + action + ' does not exist on jQuery.digilib' ); |
605 | 1244 } |
1245 }; | |
692 | 1246 |
604 | 1247 })(jQuery); |