Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 641:8f40f7b6fd20 jquery
some small aboutdiv fixes
author | hertzhaft |
---|---|
date | Wed, 19 Jan 2011 15:53:08 +0100 |
parents | fcb887110471 |
children | c108607e1bc0 |
rev | line source |
---|---|
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($) { | |
618
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
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 }; | |
617
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
146 |
605 | 147 var defaults = { |
617
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
148 // the root digilib element, for easy retrieval |
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
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', | |
618
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
172 // actions |
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
173 'actions' : actions, |
612 | 174 // path to button images (must end with a slash) |
175 'buttonsImagePath' : '../greyskin/', | |
618
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
176 // actions groups |
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
177 'actionsStandard' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","SEP","help","reset","options"], |
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
178 'actionsSpecial' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","SEP","options"], |
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
179 'actionsCustom' : [], |
616 | 180 // is birdView shown? |
181 'isBirdDivVisible' : false, | |
615 | 182 // dimensions of bird's eye window |
639 | 183 'birdDivOptions' : {'dw' : 200, 'dh' : 200}, |
616 | 184 // is the "about" window shown? |
185 'isAboutDivVisible' : false | |
186 | |
610 | 187 }; |
605 | 188 |
608 | 189 // affine geometry classes |
190 var geom = dlGeometry(); | |
604 | 191 |
192 var methods = { | |
608 | 193 // digilib initialization |
604 | 194 init : function(options) { |
608 | 195 // settings for this digilib instance are merged from defaults and options |
607 | 196 var settings = $.extend({}, defaults, options); |
636 | 197 var isFullscreen = settings.interactionMode === 'fullscreen'; |
198 var queryParams = {}; | |
607 | 199 if (isFullscreen) { |
200 queryParams = parseQueryParams(); | |
636 | 201 } |
604 | 202 return this.each(function() { |
605 | 203 var $elem = $(this); |
204 var data = $elem.data('digilib'); | |
607 | 205 var elemSettings; |
608 | 206 // if the plugin hasn't been initialized yet |
604 | 207 if (!data) { |
605 | 208 // merge query parameters |
607 | 209 if (isFullscreen) { |
210 elemSettings = $.extend({}, settings, queryParams); | |
211 } else { | |
212 elemSettings = $.extend({}, settings, parseImgParams($elem)); | |
634 | 213 } |
617
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
214 // store $(this) element in the settings |
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
215 elemSettings.digilibRoot = $elem; |
627 | 216 data = { |
217 target : $elem, | |
636 | 218 settings : elemSettings, |
219 queryParams : queryParams | |
627 | 220 }; |
605 | 221 // store in data element |
627 | 222 $elem.data('digilib', data); |
604 | 223 } |
633 | 224 unpackParams(data); |
608 | 225 // create HTML structure |
627 | 226 setupScalerDiv(data); |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
227 setupButtons(data, 'actionsStandard'); |
639 | 228 // bird's eye view creation |
229 if (settings.isBirdDivVisible) { | |
641 | 230 setupBirdDiv(data); |
639 | 231 } |
627 | 232 // about window creation - TODO: could be deferred? restrict to only one item? |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
233 setupAboutDiv(data); |
604 | 234 }); |
235 }, | |
608 | 236 |
237 // clean up digilib | |
604 | 238 destroy : function() { |
239 return this.each(function(){ | |
636 | 240 var $elem = $(this); |
241 var data = $elem.data('digilib'); | |
604 | 242 // Namespacing FTW |
605 | 243 $(window).unbind('.digilib'); // unbinds all digilibs(?) |
604 | 244 data.digilib.remove(); |
636 | 245 $elem.removeData('digilib'); |
604 | 246 }); |
617
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
247 }, |
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
248 |
635 | 249 // show or hide the 'about' window |
250 showAboutDiv : function(show) { | |
636 | 251 var $elem = $(this); |
252 var data = $elem.data('digilib'); | |
635 | 253 data.settings.isAboutDivVisible = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
617
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
254 }, |
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
255 |
cd846b5c8be8
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
616
diff
changeset
|
256 // event handler: toggles the visibility of the bird's eye window |
635 | 257 showBirdDiv : function (show) { |
636 | 258 var $elem = $(this); |
259 var data = $elem.data('digilib'); | |
638 | 260 if (data.$birdDiv == null) { |
261 // no bird div -> create | |
262 setupBirdDiv(data); | |
263 } | |
635 | 264 data.settings.isBirdDivVisible = showDiv(data.settings.isBirdDivVisible, data.$birdDiv, show); |
623 | 265 }, |
266 | |
267 // goto given page nr (+/-: relative) | |
636 | 268 gotoPage : function (pageNr) { |
623 | 269 var $elem = $(this); // the clicked button |
636 | 270 var data = $elem.data('digilib'); |
271 var settings = data.settings; | |
623 | 272 var oldpn = settings.pn; |
624 | 273 var pn = setNumValue(settings, "pn", pageNr); |
274 if (pn == null) return false; // nothing happened | |
623 | 275 if (pn < 1) { |
276 alert("no such page (page number too low)"); | |
277 settings.pn = oldpn; | |
278 return false; | |
634 | 279 } |
623 | 280 if (settings.pt) { |
281 if (pn > settings.pt) { | |
282 alert("no such page (page number too high)"); | |
283 settings.pn = oldpn; | |
284 return false; | |
285 } | |
634 | 286 } |
636 | 287 // add pn to param list and remove mk and others(?) |
288 data.queryParams.pn = pn; | |
289 delete data.queryParams.mk; | |
290 // then reload | |
291 redisplay(data); | |
604 | 292 } |
605 | 293 }; |
604 | 294 |
623 | 295 // sets a key to a value (relative values with +/- if relative=true) |
296 var setNumValue = function(settings, key, value) { | |
641 | 297 if (isNumber(value)) return settings[key] = value; |
623 | 298 var sign = value.substring(0,1); |
299 if (sign === '+' || sign === '-') { | |
637 | 300 if (settings[key] == null) { |
301 // this doesn't make much sense but still... | |
302 settings[key] = 0; | |
303 } | |
304 settings[key] = parseFloat(settings[key]) + parseFloat(value); | |
623 | 305 } else { |
306 settings[key] = value; | |
637 | 307 } |
623 | 308 return settings[key]; |
637 | 309 }; |
623 | 310 |
608 | 311 // returns parameters from page url |
607 | 312 var parseQueryParams = function() { |
636 | 313 return parseQueryString(window.location.search.slice(1)); |
314 }; | |
607 | 315 |
636 | 316 // returns parameters from embedded img-element |
607 | 317 var parseImgParams = function($elem) { |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
318 var src = $elem.find('img').first().attr('src'); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
319 if (!src) { |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
320 return null; |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
321 } |
607 | 322 var pos = src.indexOf('?'); |
323 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
324 var scalerUrl = src.substring(0, pos); | |
627 | 325 var params = parseQueryString(query); |
326 params.scalerBaseUrl = scalerUrl; | |
327 return params; | |
636 | 328 }; |
607 | 329 |
608 | 330 // parses query parameter string into parameter object |
607 | 331 var parseQueryString = function(query) { |
332 var pairs = query.split("&"); | |
627 | 333 var params = {}; |
636 | 334 //var keys = []; |
607 | 335 for (var i = 0; i < pairs.length; i++) { |
336 var pair = pairs[i].split("="); | |
337 if (pair.length === 2) { | |
627 | 338 params[pair[0]] = pair[1]; |
636 | 339 //keys.push(pair[0]); |
634 | 340 } |
636 | 341 } |
627 | 342 return params; |
636 | 343 }; |
604 | 344 |
615 | 345 // returns a query string from key names from a parameter hash |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
346 var getParamString = function (settings, keys) { |
615 | 347 var paramString = ''; |
348 var latter = false; | |
349 for (i = 0; i < keys.length; ++i) { | |
350 var key = keys[i]; | |
351 if (settings[key]) { | |
352 // first param gets no '&' | |
353 paramString += latter ? '&' : ''; | |
354 latter = true; | |
355 // add parm=val | |
356 paramString += key + '=' + settings[key]; | |
634 | 357 } |
615 | 358 } |
359 return paramString; | |
631 | 360 }; |
361 | |
636 | 362 // returns URL and query string for Scaler |
363 var getScalerUrl = function (data) { | |
364 var settings = data.settings; | |
365 var keys = settings.scalerParamNames; | |
366 var queryString = getParamString(settings, keys); | |
367 var url = settings.scalerBaseUrl + '?' + queryString; | |
368 return url; | |
369 }; | |
370 | |
371 // returns URL and query string for current digilib | |
372 var getDigilibUrl = function (data) { | |
373 var settings = data.settings; | |
374 // make list from queryParams keys | |
375 var keys = []; | |
376 for (var k in data.queryParams) { | |
377 keys.push(k); | |
378 } | |
379 var queryString = getParamString(settings, keys); | |
380 var url = window.location.toString(); | |
381 var pos = url.indexOf('?'); | |
382 var baseUrl = url.substring(0, pos); | |
383 var newurl = baseUrl + '?' + queryString; | |
384 return newurl; | |
385 }; | |
386 | |
631 | 387 // processes some parameters into objects and stuff |
388 var unpackParams = function (data) { | |
389 var settings = data.settings; | |
636 | 390 // zoom area |
631 | 391 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
392 settings.zoomArea = zoomArea; | |
636 | 393 // marks |
631 | 394 var marks = []; |
633 | 395 var mk = settings.mk || ''; |
396 if (mk.indexOf(";") >= 0) { | |
397 var pa = mk.split(";"); // old format with ";" | |
631 | 398 } else { |
633 | 399 var pa = mk.split(","); // new format |
631 | 400 } |
401 for (var i = 0; i < pa.length ; i++) { | |
402 var pos = pa[i].split("/"); | |
633 | 403 if (pos.length > 1) { |
404 marks.push(geom.position(pos[0], pos[1])); | |
405 } | |
631 | 406 } |
407 settings.marks = marks; | |
408 }; | |
409 | |
410 // put objects back into parameters | |
411 var packParams = function (data) { | |
412 var settings = data.settings; | |
636 | 413 // zoom area |
631 | 414 if (settings.zoomArea) { |
415 settings.wx = settings.zoomArea.x; | |
416 settings.wy = settings.zoomArea.y; | |
417 settings.ww = settings.zoomArea.width; | |
418 settings.wh = settings.zoomArea.height; | |
419 } | |
636 | 420 // marks |
631 | 421 if (settings.marks) { |
422 var ma = []; | |
423 for (var i = 0; i < settings.marks.length; i++) { | |
424 ma.push(cropFloat(settings.marks[i].x) + "/" + cropFloat(settings.marks[i].y)); | |
425 } | |
426 settings.mk = ma.join(","); | |
427 } | |
428 }; | |
429 | |
609 | 430 // returns maximum size for scaler img in fullscreen mode |
431 var getFullscreenImgSize = function($elem) { | |
432 var winH = $(window).height(); | |
433 var winW = $(window).width(); | |
434 // TODO: account for borders? | |
435 return geom.size(winW, winH); | |
608 | 436 }; |
437 | |
622 | 438 // (re)load the img from a new scaler URL |
636 | 439 var redisplay = function (data) { |
440 var settings = data.settings; | |
441 if (settings.interactionMode === 'fullscreen') { | |
442 // update location.href (browser URL) in fullscreen mode | |
443 var url = getDigilibUrl(data); | |
444 var history = window.history; | |
445 if (typeof(history.pushState) === 'function') { | |
446 console.debug("we could modify history, but we don't..."); | |
447 } | |
448 window.location = url; | |
449 } else { | |
450 // embedded mode -- just change img src | |
451 var url = getScalerUrl(data); | |
452 data.$img.attr('src', url); | |
453 } | |
622 | 454 }; |
455 | |
608 | 456 // creates HTML structure for digilib in elem |
627 | 457 var setupScalerDiv = function (data) { |
458 var settings = data.settings; | |
459 var $elem = data.target; | |
623 | 460 var $img; |
608 | 461 if (settings.interactionMode === 'fullscreen') { |
609 | 462 // fullscreen |
463 var imgSize = getFullscreenImgSize($elem); | |
464 settings.dw = imgSize.width; | |
465 settings.dh = imgSize.height; | |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
466 $img = $('<img/>'); |
636 | 467 var scalerUrl = getScalerUrl(data); |
468 $img.attr('src', scalerUrl); | |
609 | 469 } else { |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
470 // embedded mode -- try to keep img tag |
623 | 471 $img = $elem.find('img'); |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
472 if ($img.length > 0) { |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
473 console.debug("img detach:",$img); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
474 $img.detach(); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
475 } else { |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
476 $img = $('<img/>'); |
636 | 477 var scalerUrl = getScalerUrl(data); |
478 $img.attr('src', scalerUrl); | |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
479 } |
608 | 480 } |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
481 // create new html |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
482 $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
|
483 var $scaler = $('<div class="scaler"/>'); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
484 $elem.append($scaler); |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
485 $scaler.append($img); |
622 | 486 $img.addClass('pic'); |
636 | 487 data.$img = $img; |
488 $img.load(scalerImgLoadedHandler(data)); | |
608 | 489 }; |
615 | 490 |
610 | 491 // creates HTML structure for buttons in elem |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
492 var setupButtons = function (data, actionGroup) { |
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
493 var $elem = data.target; |
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
494 var settings = data.settings; |
610 | 495 if (settings.interactionMode === 'fullscreen') { |
496 // fullscreen -- create new | |
612 | 497 var $buttonsDiv = $('<div class="buttons"></div>'); |
498 $elem.append($buttonsDiv); | |
618
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
499 var actionNames = settings[actionGroup]; |
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
500 for (var i = 0; i < actionNames.length; i++) { |
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
501 var actionName = actionNames[i]; |
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
502 var actionSettings = settings.actions[actionName]; |
612 | 503 // construct the button html |
504 var $button = $('<div class="button"></div>'); | |
505 var $a = $('<a/>'); | |
614 | 506 var $img = $('<img class="button"/>'); |
612 | 507 $buttonsDiv.append($button); |
508 $button.append($a); | |
509 $a.append($img); | |
510 // add attributes and bindings | |
618
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
511 $button.attr('title', actionSettings.tooltip); |
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
512 $button.addClass('button-' + actionName); |
635 | 513 // create handler for the buttons |
514 $a.bind('click', (function () { | |
515 // we create a new closure to capture the value of method | |
516 var method = actionSettings.onclick; | |
619 | 517 if ($.isArray(method)) { |
635 | 518 // the handler function calls digilib with method and parameters |
519 return function () { | |
520 console.debug('click method=', method); | |
521 $elem.digilib.apply($elem, method); | |
619 | 522 }; |
635 | 523 } else { |
524 // the handler function calls digilib with method | |
525 return function () { | |
526 console.debug('click method=', method); | |
527 $elem.digilib(method); | |
528 }; | |
529 } | |
530 })()); | |
618
09167ef1512e
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
617
diff
changeset
|
531 $img.attr('src', settings.buttonsImagePath + actionSettings.img); |
637 | 532 } |
611 | 533 } |
612 | 534 return $buttonsDiv; |
610 | 535 }; |
615 | 536 |
537 // creates HTML structure for the bird's eye view in elem | |
638 | 538 var setupBirdDiv = function (data) { |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
539 var $elem = data.target; |
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
540 var settings = data.settings; |
615 | 541 // use only the relevant parameters |
542 var keys = ['fn','pn','dw','dh']; | |
639 | 543 var birdSettings = $.extend({}, settings, settings.birdDivOptions); |
628
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
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); | |
640
fcb887110471
enabling bird's eye view in options now even works...
robcast
parents:
639
diff
changeset
|
555 if (data.settings.isBirdDivVisible) { |
fcb887110471
enabling bird's eye view in options now even works...
robcast
parents:
639
diff
changeset
|
556 $birdviewDiv.fadeIn(); |
fcb887110471
enabling bird's eye view in options now even works...
robcast
parents:
639
diff
changeset
|
557 } |
635 | 558 data.$birdDiv = $birdviewDiv; |
640
fcb887110471
enabling bird's eye view in options now even works...
robcast
parents:
639
diff
changeset
|
559 }; |
615 | 560 |
625 | 561 // 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
|
562 var setupAboutDiv = function (data) { |
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
563 var $elem = data.target; |
1f077f8afc5e
changed methods to pass "data" around instead of "settings"
robcast
parents:
627
diff
changeset
|
564 var settings = data.settings; |
625 | 565 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
616 | 566 var $header = $('<p>Digilib Graphic Viewer</p>'); |
567 var $link = $('<a/>'); | |
568 var $logo = $('<img class="logo" title="digilib"/>'); | |
569 var $content = $('<p/>'); | |
570 $elem.append($aboutDiv); | |
571 $aboutDiv.append($header); | |
572 $aboutDiv.append($link); | |
573 $aboutDiv.append($content); | |
574 $link.append($logo); | |
575 $logo.attr('src', settings.logoUrl); | |
635 | 576 $link.attr('href', settings.homeUrl); |
616 | 577 $content.text('Version: ' + settings.version); |
635 | 578 // click hides |
579 $aboutDiv.bind('click', function () { showDiv(settings.isAboutDivVisible, $aboutDiv, 0); }); | |
580 data.$aboutDiv = $aboutDiv; | |
634 | 581 }; |
582 | |
635 | 583 // shows some window e.g. 'about' (toggle visibility if show is null) |
584 var showDiv = function (isVisible, $div, show) { | |
585 if (typeof(show) !== 'number') { | |
586 // toggle visibility | |
587 isVisible = !isVisible; | |
588 } else { | |
589 // set visibility | |
590 isVisible = show; | |
591 } | |
592 if (isVisible) { | |
593 $div.fadeIn(); | |
594 } else { | |
595 $div.fadeOut(); | |
596 } | |
597 return isVisible; | |
634 | 598 }; |
616 | 599 |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
600 // returns function for load event of scaler img |
636 | 601 var scalerImgLoadedHandler = function (data) { |
627 | 602 var settings = data.settings; |
603 var $elem = data.target; | |
636 | 604 var $img = data.$img; |
627 | 605 |
633 | 606 return function () { |
627 | 607 console.debug("img loaded! this=", this, " data=", data); |
631 | 608 var area = settings.zoomArea; |
627 | 609 // create Transform from current area and picsize |
610 var picpos = $img.offset(); | |
611 var picrect = geom.rectangle(picpos.left, picpos.top, $img.width(), $img.height()); | |
612 var trafo = geom.transform(); | |
613 // subtract area offset and size | |
614 trafo.concat(trafo.getTranslation(geom.position(area.x, area.y))); | |
615 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); | |
616 // scale to screen size | |
617 trafo.concat(trafo.getScale(picrect)); | |
618 trafo.concat(trafo.getTranslation(picrect)); | |
619 data.imgTrafo = trafo; | |
620 // display marks | |
633 | 621 renderMarks(data); |
635 | 622 // show birds eye view |
623 //showDiv(settings.isBirdDivVisible); | |
627 | 624 //digilib.showArrows(); // show arrow overlays for zoom navigation |
641 | 625 // done -- hide about div --- |
626 // --- why? This only leads to suprise effects when displayed programmatically | |
627 // settings.isAboutDivVisible = showDiv(null, data.$aboutDiv, 0); | |
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
628 }; |
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
629 }; |
633 | 630 |
631 // place marks on the image | |
632 var renderMarks = function (data) { | |
633 var $elem = data.target; | |
634 var marks = data.settings.marks; | |
635 for (var i = 0; i < marks.length; i++) { | |
636 var mark = marks[i]; | |
637 if (data.settings.zoomArea.containsPosition(mark)) { | |
638 var mpos = data.imgTrafo.transform(mark); | |
639 // create mark | |
640 var html = '<div class="mark">'+(i+1)+'</div>'; | |
641 var $mark = $(html); | |
642 $elem.append($mark); | |
643 $mark.offset({ left : mpos.x, top : mpos.y}); | |
644 } | |
645 } | |
646 }; | |
631 | 647 |
641 | 648 // auxiliary function (from Douglas Crockford, A.10) |
649 var isNumber = function isNumber(value) { | |
650 return typeof value === 'number' && isFinite(value); | |
651 }; | |
652 | |
631 | 653 // auxiliary function to crop senseless precision |
654 var cropFloat = function (x) { | |
637 | 655 return parseInt(10000 * x, 10) / 10000; |
631 | 656 }; |
636 | 657 |
605 | 658 // hook plugin into jquery |
659 $.fn.digilib = function(method) { | |
660 if (methods[method]) { | |
634 | 661 // call method on this with the remaining arguments |
605 | 662 return methods[method].apply(this, Array.prototype.slice.call(arguments, 1)); |
663 } else if (typeof(method) === 'object' || !method) { | |
634 | 664 // call init on this |
605 | 665 return methods.init.apply(this, arguments); |
666 } else { | |
634 | 667 $.error( 'Method ' + method + ' does not exist on jQuery.digilib' ); |
605 | 668 } |
669 }; | |
604 | 670 |
671 })(jQuery); |