Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 638:830bf803d9f0 jquery
setupBirdDiv deferred until used
author | robcast |
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date | Wed, 19 Jan 2011 10:58:30 +0100 |
parents | d904c0c74c15 |
children | 7a91bf50a728 |
rev | line source |
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604 | 1 /* |
2 * digilib jQuery plugin | |
3 * | |
4 */ | |
636 | 5 |
6 // fallback for console.log calls | |
7 if (typeof(console) === 'undefined') { | |
8 var console = { | |
9 log : function(){}, | |
10 debug : function(){}, | |
11 error : function(){} | |
12 }; | |
13 } | |
604 | 14 |
15 (function($) { | |
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16 var actions = { |
610 | 17 reference : { |
18 onclick : "javascript:getRefWin()", | |
19 tooltip : "get a reference URL", | |
20 img : "reference.png" | |
21 }, | |
22 zoomin : { | |
23 onclick : "javascript:dl.zoomBy(1.4)", | |
24 tooltip : "zoom in", | |
25 img : "zoom-in.png" | |
26 }, | |
27 zoomout : { | |
28 onclick : "javascript:zoomBy(0.7)", | |
29 tooltip : "zoom out", | |
30 img : "zoom-out.png" | |
31 }, | |
32 zoomarea : { | |
33 onclick : "javascript:zoomArea()", | |
34 tooltip : "zoom area", | |
35 img : "zoom-area.png" | |
36 }, | |
37 zoomfull : { | |
38 onclick : "javascript:zoomFullpage()", | |
39 tooltip : "view the whole image", | |
40 img : "zoom-full.png" | |
41 }, | |
42 pagewidth : { | |
43 onclick : "javascript:zoomFullpage('width')", | |
44 tooltip : "page width", | |
45 img : "pagewidth.png" | |
46 }, | |
47 back : { | |
623 | 48 onclick : ["gotoPage", "-1"], |
610 | 49 tooltip : "goto previous image", |
50 img : "back.png" | |
51 }, | |
52 fwd : { | |
623 | 53 onclick : ["gotoPage", "+1"], |
610 | 54 tooltip : "goto next image", |
55 img : "fwd.png" | |
56 }, | |
57 page : { | |
58 onclick : "javascript:gotoPageWin()", | |
59 tooltip : "specify image", | |
60 img : "page.png" | |
61 }, | |
62 bird : { | |
635 | 63 onclick : "showBirdDiv", |
610 | 64 tooltip : "show bird's eye view", |
65 img : "birds-eye.png" | |
66 }, | |
67 help : { | |
635 | 68 onclick : "showAboutDiv", |
610 | 69 tooltip : "about Digilib", |
70 img : "help.png" | |
71 }, | |
72 reset : { | |
73 onclick : "javascript:resetImage()", | |
74 tooltip : "reset image", | |
75 img : "reset.png" | |
76 }, | |
77 mark : { | |
78 onclick : "javascript:setMark()", | |
79 tooltip : "set a mark", | |
80 img : "mark.png" | |
81 }, | |
82 delmark : { | |
83 onclick : "javascript:removeMark()", | |
84 tooltip : "delete the last mark", | |
85 img : "delmark.png" | |
86 }, | |
87 hmir : { | |
88 onclick : "javascript:mirror('h')", | |
89 tooltip : "mirror horizontally", | |
90 img : "mirror-horizontal.png" | |
91 }, | |
92 vmir : { | |
93 onclick : "javascript:mirror('v')", | |
94 tooltip : "mirror vertically", | |
95 img : "mirror-vertical.png" | |
96 }, | |
97 rot : { | |
98 onclick : "javascript:setParamWin('rot', 'Rotate (0..360) clockwise')", | |
99 tooltip : "rotate image", | |
100 img : "rotate.png" | |
101 }, | |
102 brgt : { | |
103 onclick : "javascript:setParamWin('brgt', 'Brightness (-255..255)')", | |
104 tooltip : "set brightness", | |
105 img : "brightness.png" | |
106 }, | |
107 cont : { | |
108 onclick : "javascript:setParamWin('cont', 'Contrast (0..8)')", | |
109 tooltip : "set contrast", | |
110 img : "contrast.png" | |
111 }, | |
112 rgb : { | |
113 onclick : "javascript:setParamWin('rgb', '...')", | |
114 tooltip : "set rgb values", | |
115 img : "rgb.png" | |
116 }, | |
117 quality : { | |
118 onclick : "javascript:setQualityWin('Quality (0..2)')", | |
119 tooltip : "set image quality", | |
120 img : "quality.png" | |
121 }, | |
122 size : { | |
123 onclick : "javascript:toggleSizeMenu()", | |
124 tooltip : "set page size", | |
125 img : "size.png" | |
126 }, | |
127 calibrationx : { | |
128 onclick : "javascript:calibrate('x')", | |
129 tooltip : "calibrate screen x-ratio", | |
130 img : "calibration-x.png" | |
131 }, | |
132 scale : { | |
133 onclick : "javascript:toggleScaleMenu()", | |
134 tooltip : "change image scale", | |
135 img : "original-size.png" | |
136 }, | |
137 options : { | |
138 onclick : "javascript:toggleOptionDiv()", | |
139 tooltip : "hide options", | |
140 img : "options.png" | |
141 }, | |
142 SEP : { | |
143 img : "sep.png" | |
144 } | |
145 }; | |
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146 |
605 | 147 var defaults = { |
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148 // the root digilib element, for easy retrieval |
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149 'digilibRoot' : null, |
616 | 150 // version of this script |
635 | 151 'version' : 'jquery.digilib.js 0.9', |
616 | 152 // logo url |
153 'logoUrl' : '../img/digilib-logo-text1.png', | |
635 | 154 // homepage url (behind logo) |
155 'homeUrl' : 'http://digilib.berlios.de', | |
610 | 156 // base URL to Scaler servlet |
157 'scalerBaseUrl' : 'http://digilib.mpiwg-berlin.mpg.de/digitallibrary/servlet/Scaler', | |
158 // list of Scaler parameters | |
627 | 159 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
160 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
161 // Scaler parameter defaults | |
162 'ww' : 1.0, | |
163 'wh' : 1.0, | |
164 'wx' : 0.0, | |
165 'wy' : 0.0, | |
166 'ws' : 1.0, | |
637 | 167 'pn' : 1, |
610 | 168 // mode of operation. |
169 // fullscreen: takes parameters from page URL, keeps state in page URL | |
170 // embedded: takes parameters from Javascript options, keeps state inside object | |
171 'interactionMode' : 'fullscreen', | |
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172 // actions |
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173 'actions' : actions, |
612 | 174 // path to button images (must end with a slash) |
175 'buttonsImagePath' : '../greyskin/', | |
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176 // actions groups |
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177 'actionsStandard' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","SEP","help","reset","options"], |
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178 'actionsSpecial' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","SEP","options"], |
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179 'actionsCustom' : [], |
616 | 180 // is birdView shown? |
181 'isBirdDivVisible' : false, | |
615 | 182 // dimensions of bird's eye window |
183 'birdMaxX' : 200, | |
616 | 184 'birdMaxY' : 200, |
185 // is the "about" window shown? | |
186 'isAboutDivVisible' : false | |
187 | |
610 | 188 }; |
605 | 189 |
608 | 190 // affine geometry classes |
191 var geom = dlGeometry(); | |
604 | 192 |
193 var methods = { | |
608 | 194 // digilib initialization |
604 | 195 init : function(options) { |
608 | 196 // settings for this digilib instance are merged from defaults and options |
607 | 197 var settings = $.extend({}, defaults, options); |
636 | 198 var isFullscreen = settings.interactionMode === 'fullscreen'; |
199 var queryParams = {}; | |
607 | 200 if (isFullscreen) { |
201 queryParams = parseQueryParams(); | |
636 | 202 } |
604 | 203 return this.each(function() { |
605 | 204 var $elem = $(this); |
205 var data = $elem.data('digilib'); | |
607 | 206 var elemSettings; |
608 | 207 // if the plugin hasn't been initialized yet |
604 | 208 if (!data) { |
605 | 209 // merge query parameters |
607 | 210 if (isFullscreen) { |
211 elemSettings = $.extend({}, settings, queryParams); | |
212 } else { | |
213 elemSettings = $.extend({}, settings, parseImgParams($elem)); | |
634 | 214 } |
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215 // store $(this) element in the settings |
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216 elemSettings.digilibRoot = $elem; |
627 | 217 data = { |
218 target : $elem, | |
636 | 219 settings : elemSettings, |
220 queryParams : queryParams | |
627 | 221 }; |
605 | 222 // store in data element |
627 | 223 $elem.data('digilib', data); |
604 | 224 } |
633 | 225 unpackParams(data); |
608 | 226 // create HTML structure |
627 | 227 setupScalerDiv(data); |
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228 setupButtons(data, 'actionsStandard'); |
627 | 229 // about window creation - TODO: could be deferred? restrict to only one item? |
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230 setupAboutDiv(data); |
604 | 231 }); |
232 }, | |
608 | 233 |
234 // clean up digilib | |
604 | 235 destroy : function() { |
236 return this.each(function(){ | |
636 | 237 var $elem = $(this); |
238 var data = $elem.data('digilib'); | |
604 | 239 // Namespacing FTW |
605 | 240 $(window).unbind('.digilib'); // unbinds all digilibs(?) |
604 | 241 data.digilib.remove(); |
636 | 242 $elem.removeData('digilib'); |
604 | 243 }); |
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244 }, |
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245 |
635 | 246 // show or hide the 'about' window |
247 showAboutDiv : function(show) { | |
636 | 248 var $elem = $(this); |
249 var data = $elem.data('digilib'); | |
635 | 250 data.settings.isAboutDivVisible = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
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251 }, |
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252 |
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253 // event handler: toggles the visibility of the bird's eye window |
635 | 254 showBirdDiv : function (show) { |
636 | 255 var $elem = $(this); |
256 var data = $elem.data('digilib'); | |
638 | 257 if (data.$birdDiv == null) { |
258 // no bird div -> create | |
259 setupBirdDiv(data); | |
260 } | |
635 | 261 data.settings.isBirdDivVisible = showDiv(data.settings.isBirdDivVisible, data.$birdDiv, show); |
623 | 262 }, |
263 | |
264 // goto given page nr (+/-: relative) | |
636 | 265 gotoPage : function (pageNr) { |
623 | 266 var $elem = $(this); // the clicked button |
636 | 267 var data = $elem.data('digilib'); |
268 var settings = data.settings; | |
623 | 269 var oldpn = settings.pn; |
624 | 270 var pn = setNumValue(settings, "pn", pageNr); |
271 if (pn == null) return false; // nothing happened | |
623 | 272 if (pn < 1) { |
273 alert("no such page (page number too low)"); | |
274 settings.pn = oldpn; | |
275 return false; | |
634 | 276 } |
623 | 277 if (settings.pt) { |
278 if (pn > settings.pt) { | |
279 alert("no such page (page number too high)"); | |
280 settings.pn = oldpn; | |
281 return false; | |
282 } | |
634 | 283 } |
636 | 284 // add pn to param list and remove mk and others(?) |
285 data.queryParams.pn = pn; | |
286 delete data.queryParams.mk; | |
287 // then reload | |
288 redisplay(data); | |
604 | 289 } |
605 | 290 }; |
604 | 291 |
623 | 292 // sets a key to a value (relative values with +/- if relative=true) |
293 var setNumValue = function(settings, key, value) { | |
294 var sign = value.substring(0,1); | |
295 if (sign === '+' || sign === '-') { | |
637 | 296 if (settings[key] == null) { |
297 // this doesn't make much sense but still... | |
298 settings[key] = 0; | |
299 } | |
300 settings[key] = parseFloat(settings[key]) + parseFloat(value); | |
623 | 301 } else { |
302 settings[key] = value; | |
637 | 303 } |
623 | 304 return settings[key]; |
637 | 305 }; |
623 | 306 |
608 | 307 // returns parameters from page url |
607 | 308 var parseQueryParams = function() { |
636 | 309 return parseQueryString(window.location.search.slice(1)); |
310 }; | |
607 | 311 |
636 | 312 // returns parameters from embedded img-element |
607 | 313 var parseImgParams = function($elem) { |
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314 var src = $elem.find('img').first().attr('src'); |
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315 if (!src) { |
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316 return null; |
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317 } |
607 | 318 var pos = src.indexOf('?'); |
319 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
320 var scalerUrl = src.substring(0, pos); | |
627 | 321 var params = parseQueryString(query); |
322 params.scalerBaseUrl = scalerUrl; | |
323 return params; | |
636 | 324 }; |
607 | 325 |
608 | 326 // parses query parameter string into parameter object |
607 | 327 var parseQueryString = function(query) { |
328 var pairs = query.split("&"); | |
627 | 329 var params = {}; |
636 | 330 //var keys = []; |
607 | 331 for (var i = 0; i < pairs.length; i++) { |
332 var pair = pairs[i].split("="); | |
333 if (pair.length === 2) { | |
627 | 334 params[pair[0]] = pair[1]; |
636 | 335 //keys.push(pair[0]); |
634 | 336 } |
636 | 337 } |
627 | 338 return params; |
636 | 339 }; |
604 | 340 |
615 | 341 // returns a query string from key names from a parameter hash |
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342 var getParamString = function (settings, keys) { |
615 | 343 var paramString = ''; |
344 var latter = false; | |
345 for (i = 0; i < keys.length; ++i) { | |
346 var key = keys[i]; | |
347 if (settings[key]) { | |
348 // first param gets no '&' | |
349 paramString += latter ? '&' : ''; | |
350 latter = true; | |
351 // add parm=val | |
352 paramString += key + '=' + settings[key]; | |
634 | 353 } |
615 | 354 } |
355 return paramString; | |
631 | 356 }; |
357 | |
636 | 358 // returns URL and query string for Scaler |
359 var getScalerUrl = function (data) { | |
360 var settings = data.settings; | |
361 var keys = settings.scalerParamNames; | |
362 var queryString = getParamString(settings, keys); | |
363 var url = settings.scalerBaseUrl + '?' + queryString; | |
364 return url; | |
365 }; | |
366 | |
367 // returns URL and query string for current digilib | |
368 var getDigilibUrl = function (data) { | |
369 var settings = data.settings; | |
370 // make list from queryParams keys | |
371 var keys = []; | |
372 for (var k in data.queryParams) { | |
373 keys.push(k); | |
374 } | |
375 var queryString = getParamString(settings, keys); | |
376 var url = window.location.toString(); | |
377 var pos = url.indexOf('?'); | |
378 var baseUrl = url.substring(0, pos); | |
379 var newurl = baseUrl + '?' + queryString; | |
380 return newurl; | |
381 }; | |
382 | |
631 | 383 // processes some parameters into objects and stuff |
384 var unpackParams = function (data) { | |
385 var settings = data.settings; | |
636 | 386 // zoom area |
631 | 387 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
388 settings.zoomArea = zoomArea; | |
636 | 389 // marks |
631 | 390 var marks = []; |
633 | 391 var mk = settings.mk || ''; |
392 if (mk.indexOf(";") >= 0) { | |
393 var pa = mk.split(";"); // old format with ";" | |
631 | 394 } else { |
633 | 395 var pa = mk.split(","); // new format |
631 | 396 } |
397 for (var i = 0; i < pa.length ; i++) { | |
398 var pos = pa[i].split("/"); | |
633 | 399 if (pos.length > 1) { |
400 marks.push(geom.position(pos[0], pos[1])); | |
401 } | |
631 | 402 } |
403 settings.marks = marks; | |
404 }; | |
405 | |
406 // put objects back into parameters | |
407 var packParams = function (data) { | |
408 var settings = data.settings; | |
636 | 409 // zoom area |
631 | 410 if (settings.zoomArea) { |
411 settings.wx = settings.zoomArea.x; | |
412 settings.wy = settings.zoomArea.y; | |
413 settings.ww = settings.zoomArea.width; | |
414 settings.wh = settings.zoomArea.height; | |
415 } | |
636 | 416 // marks |
631 | 417 if (settings.marks) { |
418 var ma = []; | |
419 for (var i = 0; i < settings.marks.length; i++) { | |
420 ma.push(cropFloat(settings.marks[i].x) + "/" + cropFloat(settings.marks[i].y)); | |
421 } | |
422 settings.mk = ma.join(","); | |
423 } | |
424 }; | |
425 | |
609 | 426 // returns maximum size for scaler img in fullscreen mode |
427 var getFullscreenImgSize = function($elem) { | |
428 var winH = $(window).height(); | |
429 var winW = $(window).width(); | |
430 // TODO: account for borders? | |
431 return geom.size(winW, winH); | |
608 | 432 }; |
433 | |
622 | 434 // (re)load the img from a new scaler URL |
636 | 435 var redisplay = function (data) { |
436 var settings = data.settings; | |
437 if (settings.interactionMode === 'fullscreen') { | |
438 // update location.href (browser URL) in fullscreen mode | |
439 var url = getDigilibUrl(data); | |
440 var history = window.history; | |
441 if (typeof(history.pushState) === 'function') { | |
442 console.debug("we could modify history, but we don't..."); | |
443 } | |
444 window.location = url; | |
445 } else { | |
446 // embedded mode -- just change img src | |
447 var url = getScalerUrl(data); | |
448 data.$img.attr('src', url); | |
449 } | |
622 | 450 }; |
451 | |
608 | 452 // creates HTML structure for digilib in elem |
627 | 453 var setupScalerDiv = function (data) { |
454 var settings = data.settings; | |
455 var $elem = data.target; | |
623 | 456 var $img; |
608 | 457 if (settings.interactionMode === 'fullscreen') { |
609 | 458 // fullscreen |
459 var imgSize = getFullscreenImgSize($elem); | |
460 settings.dw = imgSize.width; | |
461 settings.dh = imgSize.height; | |
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462 $img = $('<img/>'); |
636 | 463 var scalerUrl = getScalerUrl(data); |
464 $img.attr('src', scalerUrl); | |
609 | 465 } else { |
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466 // embedded mode -- try to keep img tag |
623 | 467 $img = $elem.find('img'); |
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468 if ($img.length > 0) { |
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469 console.debug("img detach:",$img); |
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470 $img.detach(); |
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471 } else { |
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472 $img = $('<img/>'); |
636 | 473 var scalerUrl = getScalerUrl(data); |
474 $img.attr('src', scalerUrl); | |
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475 } |
608 | 476 } |
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477 // create new html |
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478 $elem.empty(); // TODO: should we keep stuff for customization? |
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479 var $scaler = $('<div class="scaler"/>'); |
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480 $elem.append($scaler); |
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481 $scaler.append($img); |
622 | 482 $img.addClass('pic'); |
636 | 483 data.$img = $img; |
484 $img.load(scalerImgLoadedHandler(data)); | |
608 | 485 }; |
615 | 486 |
610 | 487 // creates HTML structure for buttons in elem |
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488 var setupButtons = function (data, actionGroup) { |
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489 var $elem = data.target; |
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490 var settings = data.settings; |
610 | 491 if (settings.interactionMode === 'fullscreen') { |
492 // fullscreen -- create new | |
612 | 493 var $buttonsDiv = $('<div class="buttons"></div>'); |
494 $elem.append($buttonsDiv); | |
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495 var actionNames = settings[actionGroup]; |
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496 for (var i = 0; i < actionNames.length; i++) { |
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497 var actionName = actionNames[i]; |
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498 var actionSettings = settings.actions[actionName]; |
612 | 499 // construct the button html |
500 var $button = $('<div class="button"></div>'); | |
501 var $a = $('<a/>'); | |
614 | 502 var $img = $('<img class="button"/>'); |
612 | 503 $buttonsDiv.append($button); |
504 $button.append($a); | |
505 $a.append($img); | |
506 // add attributes and bindings | |
618
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507 $button.attr('title', actionSettings.tooltip); |
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508 $button.addClass('button-' + actionName); |
635 | 509 // create handler for the buttons |
510 $a.bind('click', (function () { | |
511 // we create a new closure to capture the value of method | |
512 var method = actionSettings.onclick; | |
619 | 513 if ($.isArray(method)) { |
635 | 514 // the handler function calls digilib with method and parameters |
515 return function () { | |
516 console.debug('click method=', method); | |
517 $elem.digilib.apply($elem, method); | |
619 | 518 }; |
635 | 519 } else { |
520 // the handler function calls digilib with method | |
521 return function () { | |
522 console.debug('click method=', method); | |
523 $elem.digilib(method); | |
524 }; | |
525 } | |
526 })()); | |
618
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527 $img.attr('src', settings.buttonsImagePath + actionSettings.img); |
637 | 528 } |
611 | 529 } |
612 | 530 return $buttonsDiv; |
610 | 531 }; |
615 | 532 |
533 // creates HTML structure for the bird's eye view in elem | |
638 | 534 var setupBirdDiv = function (data) { |
628
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535 var $elem = data.target; |
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536 var settings = data.settings; |
615 | 537 // use only the relevant parameters |
538 var keys = ['fn','pn','dw','dh']; | |
539 var birdDimensions = { | |
540 'dw' : settings.birdMaxX, | |
541 'dh' : settings.birdMaxY | |
542 }; | |
543 var birdSettings = $.extend({}, settings, birdDimensions); | |
628
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544 var birdUrl = settings.scalerBaseUrl + '?' + getParamString(birdSettings, keys); |
615 | 545 // the bird's eye div |
625 | 546 var $birdviewDiv = $('<div class="birdview" style="display:none"/>'); |
615 | 547 // the detail indicator frame |
548 var $birdzoomDiv = $('<div class="birdzoom"/>'); | |
549 // the small image | |
550 var $birdImg = $('<img class="birdimg"/>'); | |
551 $elem.append($birdviewDiv); | |
552 $birdviewDiv.append($birdzoomDiv); | |
553 $birdviewDiv.append($birdImg); | |
554 $birdImg.attr('src', birdUrl); | |
635 | 555 data.$birdDiv = $birdviewDiv; |
615 | 556 }; |
557 | |
625 | 558 // creates HTML structure for the about view in elem |
628
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559 var setupAboutDiv = function (data) { |
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560 var $elem = data.target; |
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561 var settings = data.settings; |
625 | 562 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
616 | 563 var $header = $('<p>Digilib Graphic Viewer</p>'); |
564 var $link = $('<a/>'); | |
565 var $logo = $('<img class="logo" title="digilib"/>'); | |
566 var $content = $('<p/>'); | |
567 $elem.append($aboutDiv); | |
568 $aboutDiv.append($header); | |
569 $aboutDiv.append($link); | |
570 $aboutDiv.append($content); | |
571 $link.append($logo); | |
572 $logo.attr('src', settings.logoUrl); | |
635 | 573 $link.attr('href', settings.homeUrl); |
616 | 574 $content.text('Version: ' + settings.version); |
635 | 575 // click hides |
576 $aboutDiv.bind('click', function () { showDiv(settings.isAboutDivVisible, $aboutDiv, 0); }); | |
577 data.$aboutDiv = $aboutDiv; | |
634 | 578 }; |
579 | |
635 | 580 // shows some window e.g. 'about' (toggle visibility if show is null) |
581 var showDiv = function (isVisible, $div, show) { | |
582 if (typeof(show) !== 'number') { | |
583 // toggle visibility | |
584 isVisible = !isVisible; | |
585 } else { | |
586 // set visibility | |
587 isVisible = show; | |
588 } | |
589 if (isVisible) { | |
590 $div.fadeIn(); | |
591 } else { | |
592 $div.fadeOut(); | |
593 } | |
594 return isVisible; | |
634 | 595 }; |
616 | 596 |
613
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597 // returns function for load event of scaler img |
636 | 598 var scalerImgLoadedHandler = function (data) { |
627 | 599 var settings = data.settings; |
600 var $elem = data.target; | |
636 | 601 var $img = data.$img; |
627 | 602 |
633 | 603 return function () { |
627 | 604 console.debug("img loaded! this=", this, " data=", data); |
631 | 605 var area = settings.zoomArea; |
627 | 606 // create Transform from current area and picsize |
607 var picpos = $img.offset(); | |
608 var picrect = geom.rectangle(picpos.left, picpos.top, $img.width(), $img.height()); | |
609 var trafo = geom.transform(); | |
610 // subtract area offset and size | |
611 trafo.concat(trafo.getTranslation(geom.position(area.x, area.y))); | |
612 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); | |
613 // scale to screen size | |
614 trafo.concat(trafo.getScale(picrect)); | |
615 trafo.concat(trafo.getTranslation(picrect)); | |
616 data.imgTrafo = trafo; | |
617 // display marks | |
633 | 618 renderMarks(data); |
635 | 619 // show birds eye view |
620 //showDiv(settings.isBirdDivVisible); | |
627 | 621 //digilib.showArrows(); // show arrow overlays for zoom navigation |
634 | 622 // done -- hide about div |
635 | 623 settings.isAboutDivVisible = showDiv(null, data.$aboutDiv, 0); |
613
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624 }; |
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625 }; |
633 | 626 |
627 // place marks on the image | |
628 var renderMarks = function (data) { | |
629 var $elem = data.target; | |
630 var marks = data.settings.marks; | |
631 for (var i = 0; i < marks.length; i++) { | |
632 var mark = marks[i]; | |
633 if (data.settings.zoomArea.containsPosition(mark)) { | |
634 var mpos = data.imgTrafo.transform(mark); | |
635 // create mark | |
636 var html = '<div class="mark">'+(i+1)+'</div>'; | |
637 var $mark = $(html); | |
638 $elem.append($mark); | |
639 $mark.offset({ left : mpos.x, top : mpos.y}); | |
640 } | |
641 } | |
642 }; | |
631 | 643 |
644 // auxiliary function to crop senseless precision | |
645 var cropFloat = function (x) { | |
637 | 646 return parseInt(10000 * x, 10) / 10000; |
631 | 647 }; |
636 | 648 |
605 | 649 // hook plugin into jquery |
650 $.fn.digilib = function(method) { | |
651 if (methods[method]) { | |
634 | 652 // call method on this with the remaining arguments |
605 | 653 return methods[method].apply(this, Array.prototype.slice.call(arguments, 1)); |
654 } else if (typeof(method) === 'object' || !method) { | |
634 | 655 // call init on this |
605 | 656 return methods.init.apply(this, arguments); |
657 } else { | |
634 | 658 $.error( 'Method ' + method + ' does not exist on jQuery.digilib' ); |
605 | 659 } |
660 }; | |
604 | 661 |
662 })(jQuery); |