Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 653:2390d548ae0b jquery
forgot to uncomment a line
| author | hertzhaft |
|---|---|
| date | Sat, 22 Jan 2011 00:29:06 +0100 |
| parents | 9ec8f039e942 |
| children | 43d920645156 |
| rev | line source |
|---|---|
| 597 | 1 /* |
| 2 * digilib jQuery plugin | |
| 3 * | |
| 4 */ | |
| 648 | 5 |
| 629 | 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 } | |
| 597 | 14 |
| 15 (function($) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
16 var buttons = { |
| 603 | 17 reference : { |
| 18 onclick : "javascript:getRefWin()", | |
| 19 tooltip : "get a reference URL", | |
| 20 img : "reference.png" | |
| 21 }, | |
| 22 zoomin : { | |
| 636 | 23 onclick : ["zoomBy", 1.4], |
| 603 | 24 tooltip : "zoom in", |
| 25 img : "zoom-in.png" | |
| 26 }, | |
| 27 zoomout : { | |
| 636 | 28 onclick : ["zoomBy", 0.7], |
| 603 | 29 tooltip : "zoom out", |
| 30 img : "zoom-out.png" | |
| 31 }, | |
| 32 zoomarea : { | |
| 647 | 33 onclick : "zoomArea", |
| 603 | 34 tooltip : "zoom area", |
| 35 img : "zoom-area.png" | |
| 36 }, | |
| 37 zoomfull : { | |
| 643 | 38 onclick : "zoomFull", |
| 603 | 39 tooltip : "view the whole image", |
| 40 img : "zoom-full.png" | |
| 41 }, | |
| 42 pagewidth : { | |
| 643 | 43 onclick : ["zoomFull", "width"], |
| 603 | 44 tooltip : "page width", |
| 45 img : "pagewidth.png" | |
| 46 }, | |
| 47 back : { | |
| 616 | 48 onclick : ["gotoPage", "-1"], |
| 603 | 49 tooltip : "goto previous image", |
| 50 img : "back.png" | |
| 51 }, | |
| 52 fwd : { | |
| 616 | 53 onclick : ["gotoPage", "+1"], |
| 603 | 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 : { | |
| 628 | 63 onclick : "showBirdDiv", |
| 603 | 64 tooltip : "show bird's eye view", |
| 65 img : "birds-eye.png" | |
| 66 }, | |
| 67 help : { | |
| 628 | 68 onclick : "showAboutDiv", |
| 603 | 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 : { | |
| 640 | 78 onclick : "setMark", |
| 603 | 79 tooltip : "set a mark", |
| 80 img : "mark.png" | |
| 81 }, | |
| 82 delmark : { | |
| 643 | 83 onclick : "removeMark", |
| 603 | 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 }; | |
|
610
2f2cd8c44a1c
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
609
diff
changeset
|
146 |
| 598 | 147 var defaults = { |
| 609 | 148 // version of this script |
| 628 | 149 'version' : 'jquery.digilib.js 0.9', |
| 609 | 150 // logo url |
| 151 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 628 | 152 // homepage url (behind logo) |
| 153 'homeUrl' : 'http://digilib.berlios.de', | |
| 603 | 154 // base URL to Scaler servlet |
| 645 | 155 'scalerBaseUrl' : null, |
| 603 | 156 // list of Scaler parameters |
| 620 | 157 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 158 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 159 // Scaler parameter defaults | |
| 636 | 160 'pn' : 1, |
| 620 | 161 'ww' : 1.0, |
| 162 'wh' : 1.0, | |
| 163 'wx' : 0.0, | |
| 164 'wy' : 0.0, | |
| 165 'ws' : 1.0, | |
| 636 | 166 'mo' : '', |
| 167 'rot' : 0, | |
| 168 'cont' : 0, | |
| 169 'brgt' : 0, | |
| 170 'rgbm' : '0/0/0', | |
| 171 'rgba' : '0/0/0', | |
| 172 'ddpi' : null, | |
| 173 'ddpix' : null, | |
| 174 'ddpiy' : null, | |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
175 // list of digilib parameters |
| 643 | 176 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','mk','clop'], |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
177 // digilib parameter defaults |
| 636 | 178 'mk' : '', |
| 643 | 179 'clop' : '', |
| 636 | 180 // mode of operation: |
| 181 // fullscreen = take parameters from page URL, keep state in page URL | |
| 182 // embedded = take parameters from Javascript options, keep state inside object | |
| 603 | 183 'interactionMode' : 'fullscreen', |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
184 // buttons |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
185 'buttons' : buttons, |
| 605 | 186 // path to button images (must end with a slash) |
| 187 'buttonsImagePath' : '../greyskin/', | |
| 645 | 188 // button groups |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
189 //'buttonsStandard' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","SEP","help","reset","options"], |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
190 'buttonsStandard' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","mark","delmark","back","fwd","page","bird","SEP","help","reset","options"], |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
191 'buttonsSpecial' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","SEP","options"], |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
192 'buttonsCustom' : [], |
| 609 | 193 // is birdView shown? |
| 194 'isBirdDivVisible' : false, | |
| 608 | 195 // dimensions of bird's eye window |
| 632 | 196 'birdDivOptions' : {'dw' : 200, 'dh' : 200}, |
| 652 | 197 // style of bird's eye window |
| 198 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, | |
| 609 | 199 // is the "about" window shown? |
| 200 'isAboutDivVisible' : false | |
| 201 | |
| 603 | 202 }; |
| 648 | 203 |
| 601 | 204 // affine geometry classes |
| 205 var geom = dlGeometry(); | |
| 648 | 206 |
| 636 | 207 var MAX_ZOOMAREA = geom.rectangle(0, 0, 1, 1); |
| 648 | 208 |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
209 var actions = { |
| 647 | 210 // init: digilib initialization |
| 597 | 211 init : function(options) { |
| 601 | 212 // settings for this digilib instance are merged from defaults and options |
| 600 | 213 var settings = $.extend({}, defaults, options); |
| 629 | 214 var isFullscreen = settings.interactionMode === 'fullscreen'; |
| 215 var queryParams = {}; | |
| 600 | 216 if (isFullscreen) { |
| 217 queryParams = parseQueryParams(); | |
| 645 | 218 // check scalerBaseUrl |
| 219 if (settings.scalerBaseUrl == null) { | |
| 220 // try the host this came from | |
| 221 var h = window.location.host; | |
| 222 if (window.location.host) { | |
| 223 var url = window.location.href; | |
| 224 // assume the page lives in [webapp]/jquery/ | |
| 225 var pos = url.indexOf('jquery/'); | |
| 226 if (pos > 0) { | |
| 227 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 228 } | |
| 229 } | |
| 230 } | |
| 629 | 231 } |
| 597 | 232 return this.each(function() { |
| 598 | 233 var $elem = $(this); |
| 234 var data = $elem.data('digilib'); | |
| 600 | 235 var elemSettings; |
| 601 | 236 // if the plugin hasn't been initialized yet |
| 597 | 237 if (!data) { |
| 598 | 238 // merge query parameters |
| 600 | 239 if (isFullscreen) { |
| 240 elemSettings = $.extend({}, settings, queryParams); | |
| 241 } else { | |
| 242 elemSettings = $.extend({}, settings, parseImgParams($elem)); | |
| 627 | 243 } |
|
610
2f2cd8c44a1c
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
609
diff
changeset
|
244 // store $(this) element in the settings |
| 620 | 245 data = { |
| 640 | 246 $elem : $elem, |
| 629 | 247 settings : elemSettings, |
| 248 queryParams : queryParams | |
| 620 | 249 }; |
| 598 | 250 // store in data element |
| 620 | 251 $elem.data('digilib', data); |
| 597 | 252 } |
| 626 | 253 unpackParams(data); |
| 601 | 254 // create HTML structure |
| 620 | 255 setupScalerDiv(data); |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
256 setupButtons(data, 'buttonsStandard'); |
| 632 | 257 // bird's eye view creation |
| 258 if (settings.isBirdDivVisible) { | |
| 634 | 259 setupBirdDiv(data); |
| 632 | 260 } |
| 620 | 261 // about window creation - TODO: could be deferred? restrict to only one item? |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
262 setupAboutDiv(data); |
| 597 | 263 }); |
| 264 }, | |
| 601 | 265 |
| 647 | 266 // destroy: clean up digilib |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
267 destroy : function(data) { |
| 597 | 268 return this.each(function(){ |
| 629 | 269 var $elem = $(this); |
| 647 | 270 $(window).unbind('.digilib'); // unbind all digilibs(?) |
| 597 | 271 data.digilib.remove(); |
| 629 | 272 $elem.removeData('digilib'); |
| 597 | 273 }); |
|
610
2f2cd8c44a1c
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
609
diff
changeset
|
274 }, |
|
2f2cd8c44a1c
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
609
diff
changeset
|
275 |
| 628 | 276 // show or hide the 'about' window |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
277 showAboutDiv : function(data, show) { |
| 628 | 278 data.settings.isAboutDivVisible = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
|
610
2f2cd8c44a1c
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
609
diff
changeset
|
279 }, |
|
2f2cd8c44a1c
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
609
diff
changeset
|
280 |
|
2f2cd8c44a1c
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
609
diff
changeset
|
281 // event handler: toggles the visibility of the bird's eye window |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
282 showBirdDiv : function (data, show) { |
| 631 | 283 if (data.$birdDiv == null) { |
| 284 // no bird div -> create | |
| 285 setupBirdDiv(data); | |
| 286 } | |
| 648 | 287 // TODO: keep bird view visible after reload (parameter, cookie?) |
| 628 | 288 data.settings.isBirdDivVisible = showDiv(data.settings.isBirdDivVisible, data.$birdDiv, show); |
| 616 | 289 }, |
| 648 | 290 |
| 616 | 291 // goto given page nr (+/-: relative) |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
292 gotoPage : function (data, pageNr) { |
| 629 | 293 var settings = data.settings; |
| 616 | 294 var oldpn = settings.pn; |
| 617 | 295 var pn = setNumValue(settings, "pn", pageNr); |
| 296 if (pn == null) return false; // nothing happened | |
| 616 | 297 if (pn < 1) { |
| 298 alert("no such page (page number too low)"); | |
| 299 settings.pn = oldpn; | |
| 300 return false; | |
| 627 | 301 } |
| 616 | 302 if (settings.pt) { |
| 303 if (pn > settings.pt) { | |
| 304 alert("no such page (page number too high)"); | |
| 305 settings.pn = oldpn; | |
| 306 return false; | |
| 307 } | |
| 627 | 308 } |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
309 // reset mk and others(?) |
| 636 | 310 data.marks = []; |
| 311 data.zoomArea = MAX_ZOOMAREA; | |
| 629 | 312 // then reload |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
313 redisplay(data); |
| 636 | 314 }, |
| 648 | 315 |
| 636 | 316 // zoom by a given factor |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
317 zoomBy : function (data, factor) { |
| 636 | 318 zoomBy(data, factor); |
| 640 | 319 }, |
| 320 | |
| 647 | 321 // zoom interactively |
| 322 zoomArea : function (data) { | |
| 323 zoomArea(data); | |
| 324 }, | |
| 325 | |
| 640 | 326 // zoom out to full page |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
327 zoomFull : function (data, mode) { |
| 640 | 328 data.zoomArea = MAX_ZOOMAREA; |
| 643 | 329 if (mode === 'width') { |
| 330 data.dlOpts.fitwidth = 1; | |
| 331 delete data.dlOpts.fitheight; | |
| 332 } else if (mode === 'height') { | |
| 333 data.dlOpts.fitheight = 1; | |
| 334 delete data.dlOpts.fitwidth; | |
| 335 } else { | |
| 336 delete data.dlOpts.fitwidth; | |
| 337 delete data.dlOpts.fitheight; | |
| 338 } | |
| 640 | 339 redisplay(data); |
| 340 }, | |
| 341 | |
| 342 // set a mark by clicking (or giving a position) | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
343 setMark : function (data, mpos) { |
| 640 | 344 if (mpos == null) { |
| 345 // interactive | |
| 346 setMark(data); | |
| 347 } else { | |
| 348 // use position | |
| 349 data.marks.push(pos); | |
| 350 redisplay(data); | |
| 351 } | |
| 643 | 352 }, |
| 353 | |
| 354 // remove the last mark | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
355 removeMark : function (data) { |
| 643 | 356 data.marks.pop(); |
| 357 redisplay(data); | |
| 597 | 358 } |
| 643 | 359 |
| 598 | 360 }; |
| 597 | 361 |
| 601 | 362 // returns parameters from page url |
| 600 | 363 var parseQueryParams = function() { |
| 629 | 364 return parseQueryString(window.location.search.slice(1)); |
| 365 }; | |
| 648 | 366 |
| 629 | 367 // returns parameters from embedded img-element |
| 600 | 368 var parseImgParams = function($elem) { |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
369 var src = $elem.find('img').first().attr('src'); |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
370 if (!src) { |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
371 return null; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
372 } |
| 600 | 373 var pos = src.indexOf('?'); |
| 374 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 375 var scalerUrl = src.substring(0, pos); | |
| 620 | 376 var params = parseQueryString(query); |
| 377 params.scalerBaseUrl = scalerUrl; | |
| 378 return params; | |
| 629 | 379 }; |
| 600 | 380 |
| 601 | 381 // parses query parameter string into parameter object |
| 600 | 382 var parseQueryString = function(query) { |
| 383 var pairs = query.split("&"); | |
| 620 | 384 var params = {}; |
| 629 | 385 //var keys = []; |
| 600 | 386 for (var i = 0; i < pairs.length; i++) { |
| 387 var pair = pairs[i].split("="); | |
| 388 if (pair.length === 2) { | |
| 620 | 389 params[pair[0]] = pair[1]; |
| 629 | 390 //keys.push(pair[0]); |
| 627 | 391 } |
| 629 | 392 } |
| 620 | 393 return params; |
| 629 | 394 }; |
| 597 | 395 |
| 636 | 396 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 397 var getParamString = function (settings, keys, defaults) { | |
| 608 | 398 var paramString = ''; |
| 643 | 399 var nx = false; |
| 608 | 400 for (i = 0; i < keys.length; ++i) { |
| 401 var key = keys[i]; | |
| 636 | 402 if ((settings[key] != null) && ((defaults == null) || (settings[key] !== defaults[key]))) { |
| 608 | 403 // first param gets no '&' |
| 643 | 404 if (nx) { |
| 405 paramString += '&'; | |
| 406 } else { | |
| 407 nx = true; | |
| 408 } | |
| 608 | 409 // add parm=val |
| 410 paramString += key + '=' + settings[key]; | |
| 636 | 411 } |
| 608 | 412 } |
| 413 return paramString; | |
| 624 | 414 }; |
| 415 | |
| 629 | 416 // returns URL and query string for Scaler |
| 417 var getScalerUrl = function (data) { | |
| 646 | 418 var settings = data.settings; |
| 645 | 419 if (settings.scalerBaseUrl == null) { |
| 420 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
| 421 } | |
| 629 | 422 var keys = settings.scalerParamNames; |
| 636 | 423 var queryString = getParamString(settings, keys, defaults); |
| 629 | 424 var url = settings.scalerBaseUrl + '?' + queryString; |
| 425 return url; | |
| 426 }; | |
| 427 | |
| 428 // returns URL and query string for current digilib | |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
429 var getDigilibUrl = function (data) { |
| 636 | 430 packParams(data); |
| 629 | 431 var settings = data.settings; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
432 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 629 | 433 var url = window.location.toString(); |
| 434 var pos = url.indexOf('?'); | |
| 435 var baseUrl = url.substring(0, pos); | |
| 436 var newurl = baseUrl + '?' + queryString; | |
| 437 return newurl; | |
| 438 }; | |
| 439 | |
| 648 | 440 // processes some parameters into objects and stuff |
| 624 | 441 var unpackParams = function (data) { |
| 442 var settings = data.settings; | |
| 629 | 443 // zoom area |
| 624 | 444 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 445 data.zoomArea = zoomArea; |
| 629 | 446 // marks |
| 624 | 447 var marks = []; |
| 643 | 448 if (settings.mk) { |
| 449 var mk = settings.mk; | |
| 450 if (mk.indexOf(";") >= 0) { | |
| 451 var pa = mk.split(";"); // old format with ";" | |
| 452 } else { | |
| 453 var pa = mk.split(","); // new format | |
| 454 } | |
| 455 for (var i = 0; i < pa.length ; i++) { | |
| 456 var pos = pa[i].split("/"); | |
| 457 if (pos.length > 1) { | |
| 458 marks.push(geom.position(pos[0], pos[1])); | |
| 459 } | |
| 626 | 460 } |
| 624 | 461 } |
| 636 | 462 data.marks = marks; |
| 643 | 463 // mo (Scaler flags) |
| 464 var flags = {}; | |
| 465 if (settings.mo) { | |
| 466 var pa = settings.mo.split(","); | |
| 467 for (var i = 0; i < pa.length ; i++) { | |
| 468 flags[pa[i]] = pa[i]; | |
| 469 } | |
| 470 } | |
| 471 data.scalerFlags = flags; | |
| 472 // clop (digilib options) | |
| 473 var opts = {}; | |
| 474 if (settings.clop) { | |
| 475 var pa = settings.clop.split(","); | |
| 476 for (var i = 0; i < pa.length ; i++) { | |
| 477 opts[pa[i]] = pa[i]; | |
| 478 } | |
| 479 } | |
| 480 data.dlOpts = opts; | |
| 648 | 481 }; |
| 482 | |
| 624 | 483 // put objects back into parameters |
| 484 var packParams = function (data) { | |
| 485 var settings = data.settings; | |
| 629 | 486 // zoom area |
| 636 | 487 if (data.zoomArea) { |
| 640 | 488 settings.wx = cropFloat(data.zoomArea.x); |
| 489 settings.wy = cropFloat(data.zoomArea.y); | |
| 490 settings.ww = cropFloat(data.zoomArea.width); | |
| 491 settings.wh = cropFloat(data.zoomArea.height); | |
| 624 | 492 } |
| 629 | 493 // marks |
| 636 | 494 if (data.marks) { |
| 643 | 495 settings.mk = ''; |
| 636 | 496 for (var i = 0; i < data.marks.length; i++) { |
| 643 | 497 if (i) { |
| 498 settings.mk += ','; | |
| 499 } | |
| 500 settings.mk += cropFloat(data.marks[i].x).toString() + '/' + cropFloat(data.marks[i].y).toString(); | |
| 624 | 501 } |
| 643 | 502 } |
| 503 // Scaler flags | |
| 504 if (data.scalerFlags) { | |
| 505 var mo = ''; | |
| 506 for (var f in data.scalerFlags) { | |
| 507 if (mo) { | |
| 508 mo += ','; | |
| 509 } | |
| 510 mo += f; | |
| 511 } | |
| 512 settings.mo = mo; | |
| 513 } | |
| 514 // digilib options | |
| 515 if (data.dlOpts) { | |
| 516 var clop = ''; | |
| 517 for (var o in data.dlOpts) { | |
| 518 if (clop) { | |
| 519 clop += ','; | |
| 520 } | |
| 521 clop += o; | |
| 522 } | |
| 523 settings.clop = clop; | |
| 624 | 524 } |
| 525 }; | |
| 648 | 526 |
| 602 | 527 // returns maximum size for scaler img in fullscreen mode |
| 528 var getFullscreenImgSize = function($elem) { | |
| 529 var winH = $(window).height(); | |
| 530 var winW = $(window).width(); | |
| 531 // TODO: account for borders? | |
| 532 return geom.size(winW, winH); | |
| 601 | 533 }; |
| 648 | 534 |
| 615 | 535 // (re)load the img from a new scaler URL |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
536 var redisplay = function (data) { |
| 629 | 537 var settings = data.settings; |
| 538 if (settings.interactionMode === 'fullscreen') { | |
| 539 // update location.href (browser URL) in fullscreen mode | |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
540 var url = getDigilibUrl(data); |
| 629 | 541 var history = window.history; |
| 542 if (typeof(history.pushState) === 'function') { | |
| 543 console.debug("we could modify history, but we don't..."); | |
| 544 } | |
| 545 window.location = url; | |
| 546 } else { | |
| 547 // embedded mode -- just change img src | |
| 548 var url = getScalerUrl(data); | |
| 549 data.$img.attr('src', url); | |
| 550 } | |
| 615 | 551 }; |
| 552 | |
| 601 | 553 // creates HTML structure for digilib in elem |
| 620 | 554 var setupScalerDiv = function (data) { |
| 555 var settings = data.settings; | |
| 640 | 556 var $elem = data.$elem; |
| 616 | 557 var $img; |
| 601 | 558 if (settings.interactionMode === 'fullscreen') { |
| 602 | 559 // fullscreen |
| 560 var imgSize = getFullscreenImgSize($elem); | |
| 643 | 561 // fitwidth/height omits destination height/width |
| 562 if (data.dlOpts['fitheight'] == null) { | |
| 563 settings.dw = imgSize.width; | |
| 564 } | |
| 565 if (data.dlOpts['fitwidth'] == null) { | |
| 566 settings.dh = imgSize.height; | |
| 567 } | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
568 $img = $('<img/>'); |
| 629 | 569 var scalerUrl = getScalerUrl(data); |
| 570 $img.attr('src', scalerUrl); | |
| 602 | 571 } else { |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
572 // embedded mode -- try to keep img tag |
| 616 | 573 $img = $elem.find('img'); |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
574 if ($img.length > 0) { |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
575 console.debug("img detach:",$img); |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
576 $img.detach(); |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
577 } else { |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
578 $img = $('<img/>'); |
| 629 | 579 var scalerUrl = getScalerUrl(data); |
| 580 $img.attr('src', scalerUrl); | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
581 } |
| 601 | 582 } |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
583 // create new html |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
584 $elem.empty(); // TODO: should we keep stuff for customization? |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
585 var $scaler = $('<div class="scaler"/>'); |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
586 $elem.append($scaler); |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
587 $scaler.append($img); |
| 615 | 588 $img.addClass('pic'); |
| 642 | 589 data.$scaler = $scaler; |
| 629 | 590 data.$img = $img; |
| 591 $img.load(scalerImgLoadedHandler(data)); | |
| 601 | 592 }; |
| 608 | 593 |
| 603 | 594 // creates HTML structure for buttons in elem |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
595 var setupButtons = function (data, actionGroup) { |
| 640 | 596 var $elem = data.$elem; |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
597 var settings = data.settings; |
| 603 | 598 if (settings.interactionMode === 'fullscreen') { |
| 599 // fullscreen -- create new | |
| 605 | 600 var $buttonsDiv = $('<div class="buttons"></div>'); |
| 601 $elem.append($buttonsDiv); | |
|
611
d332c61da1b0
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
610
diff
changeset
|
602 var actionNames = settings[actionGroup]; |
|
d332c61da1b0
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
610
diff
changeset
|
603 for (var i = 0; i < actionNames.length; i++) { |
|
d332c61da1b0
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
610
diff
changeset
|
604 var actionName = actionNames[i]; |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
605 var buttonSettings = settings.buttons[actionName]; |
| 605 | 606 // construct the button html |
| 607 var $button = $('<div class="button"></div>'); | |
| 608 var $a = $('<a/>'); | |
| 607 | 609 var $img = $('<img class="button"/>'); |
| 605 | 610 $buttonsDiv.append($button); |
| 611 $button.append($a); | |
| 612 $a.append($img); | |
| 613 // add attributes and bindings | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
614 $button.attr('title', buttonSettings.tooltip); |
|
611
d332c61da1b0
some refactoring, onclick handlers now work with arguments
hertzhaft
parents:
610
diff
changeset
|
615 $button.addClass('button-' + actionName); |
| 628 | 616 // create handler for the buttons |
| 642 | 617 $a.bind('click.digilib', (function () { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
618 // we create a new closure to capture the value of action |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
619 var action = buttonSettings.onclick; |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
620 if ($.isArray(action)) { |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
621 // the handler function calls digilib with action and parameters |
| 642 | 622 return function (evt) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
623 console.debug('click action=', action, ' evt=', evt); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
624 $elem.digilib.apply($elem, action); |
| 642 | 625 return false; |
| 612 | 626 }; |
| 628 | 627 } else { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
628 // the handler function calls digilib with action |
| 642 | 629 return function (evt) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
630 console.debug('click action=', action, ' evt=', evt); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
631 $elem.digilib(action); |
| 642 | 632 return false; |
| 628 | 633 }; |
| 634 } | |
| 635 })()); | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
636 $img.attr('src', settings.buttonsImagePath + buttonSettings.img); |
| 630 | 637 } |
| 604 | 638 } |
| 605 | 639 return $buttonsDiv; |
| 603 | 640 }; |
| 608 | 641 |
| 642 // creates HTML structure for the bird's eye view in elem | |
| 631 | 643 var setupBirdDiv = function (data) { |
| 640 | 644 var $elem = data.$elem; |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
645 var settings = data.settings; |
| 608 | 646 // use only the relevant parameters |
| 647 var keys = ['fn','pn','dw','dh']; | |
| 632 | 648 var birdSettings = $.extend({}, settings, settings.birdDivOptions); |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
649 var birdUrl = settings.scalerBaseUrl + '?' + getParamString(birdSettings, keys); |
| 608 | 650 // the bird's eye div |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
651 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 608 | 652 // the detail indicator frame |
| 648 | 653 var $birdzoomDiv = $('<div class="birdzoom" style="position: absolute; background-color: transparent;"/>'); |
| 608 | 654 // the small image |
| 655 var $birdImg = $('<img class="birdimg"/>'); | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
656 $elem.append($birdDiv); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
657 $birdDiv.append($birdzoomDiv); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
658 $birdDiv.append($birdImg); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
659 data.$birdDiv = $birdDiv; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
660 data.$birdImg = $birdImg; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
661 $birdImg.load(birdImgLoadedHandler(data)); |
| 608 | 662 $birdImg.attr('src', birdUrl); |
|
633
f58bf103c3af
enabling bird's eye view in options now even works...
robcast
parents:
632
diff
changeset
|
663 if (data.settings.isBirdDivVisible) { |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
664 $birdDiv.fadeIn(); |
|
633
f58bf103c3af
enabling bird's eye view in options now even works...
robcast
parents:
632
diff
changeset
|
665 } |
|
f58bf103c3af
enabling bird's eye view in options now even works...
robcast
parents:
632
diff
changeset
|
666 }; |
| 608 | 667 |
| 618 | 668 // creates HTML structure for the about view in elem |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
669 var setupAboutDiv = function (data) { |
| 640 | 670 var $elem = data.$elem; |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
671 var settings = data.settings; |
| 618 | 672 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 609 | 673 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 674 var $link = $('<a/>'); | |
| 675 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 676 var $content = $('<p/>'); | |
| 677 $elem.append($aboutDiv); | |
| 678 $aboutDiv.append($header); | |
| 679 $aboutDiv.append($link); | |
| 680 $aboutDiv.append($content); | |
| 681 $link.append($logo); | |
| 682 $logo.attr('src', settings.logoUrl); | |
| 628 | 683 $link.attr('href', settings.homeUrl); |
| 609 | 684 $content.text('Version: ' + settings.version); |
| 628 | 685 // click hides |
| 642 | 686 $aboutDiv.bind('click.digilib', function () { |
| 639 | 687 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
| 642 | 688 return false; |
| 689 }); | |
| 628 | 690 data.$aboutDiv = $aboutDiv; |
| 627 | 691 }; |
| 692 | |
| 628 | 693 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 694 var showDiv = function (isVisible, $div, show) { | |
| 638 | 695 if (show == null) { |
| 628 | 696 // toggle visibility |
| 697 isVisible = !isVisible; | |
| 698 } else { | |
| 699 // set visibility | |
| 700 isVisible = show; | |
| 701 } | |
| 702 if (isVisible) { | |
| 703 $div.fadeIn(); | |
| 704 } else { | |
| 705 $div.fadeOut(); | |
| 706 } | |
| 707 return isVisible; | |
| 627 | 708 }; |
| 609 | 709 |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
710 // create Transform from area and $img |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
711 var getImgTrafo = function ($img, area) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
712 var picrect = geom.rectangle($img); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
713 var trafo = geom.transform(); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
714 // subtract area offset and size |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
715 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
716 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
717 // scale to screen size |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
718 trafo.concat(trafo.getScale(picrect)); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
719 trafo.concat(trafo.getTranslation(picrect)); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
720 return trafo; |
| 648 | 721 }; |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
722 |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
723 // returns function for load event of scaler img |
| 629 | 724 var scalerImgLoadedHandler = function (data) { |
| 725 var $img = data.$img; | |
| 626 | 726 return function () { |
| 620 | 727 console.debug("img loaded! this=", this, " data=", data); |
| 728 // create Transform from current area and picsize | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
729 data.imgTrafo = getImgTrafo($img, data.zoomArea); |
| 620 | 730 // display marks |
| 626 | 731 renderMarks(data); |
| 620 | 732 //digilib.showArrows(); // show arrow overlays for zoom navigation |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
733 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
734 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
735 |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
736 // returns function for load event of bird's eye view img |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
737 var birdImgLoadedHandler = function (data) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
738 var $img = data.$birdImg; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
739 return function () { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
740 console.debug("birdimg loaded! this=", this, " data=", data); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
741 // create Transform from current area and picsize |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
742 data.birdTrafo = getImgTrafo($img, MAX_ZOOMAREA); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
743 // display marks |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
744 renderBirdArea(data); |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
745 }; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
746 }; |
| 626 | 747 |
| 748 // place marks on the image | |
| 749 var renderMarks = function (data) { | |
| 640 | 750 var $elem = data.$elem; |
| 636 | 751 var marks = data.marks; |
| 642 | 752 // TODO: clear marks first(?) |
| 626 | 753 for (var i = 0; i < marks.length; i++) { |
| 754 var mark = marks[i]; | |
| 636 | 755 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 756 var mpos = data.imgTrafo.transform(mark); |
| 757 // create mark | |
| 758 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 759 var $mark = $(html); | |
| 760 $elem.append($mark); | |
| 647 | 761 $mark.offset({left : mpos.x, top : mpos.y}); |
| 626 | 762 } |
| 763 } | |
| 764 }; | |
| 648 | 765 |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
766 var renderBirdArea = function (data) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
767 var $ind = data.$birdDiv.find('div.birdzoom'); |
| 652 | 768 var zoomArea = data.zoomArea; |
| 769 var indRect = data.birdTrafo.transform(zoomArea); | |
| 653 | 770 if (isFullArea(zoomArea)) return $ind.hide(); |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
771 // TODO: set the coordinates all in one call? |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
772 $ind.width(indRect.width); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
773 $ind.height(indRect.height); |
| 652 | 774 // offset minus frame width |
| 775 $ind.offset({ left : indRect.x-2, top : indRect.y-2 }); | |
| 776 $ind.css(data.settings.birdIndicatorStyle); | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
777 } |
| 652 | 778 |
| 640 | 779 // zooms by the given factor |
| 636 | 780 var zoomBy = function(data, factor) { |
| 781 var area = data.zoomArea; | |
| 782 var newarea = area.copy(); | |
| 783 // scale | |
| 784 newarea.width /= factor; | |
| 785 newarea.height /= factor; | |
| 786 // and recenter | |
| 787 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 788 newarea.y -= 0.5 * (newarea.height - area.height); | |
| 789 newarea = MAX_ZOOMAREA.fit(newarea); | |
| 790 data.zoomArea = newarea; | |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
791 redisplay(data); |
| 636 | 792 }; |
| 793 | |
| 640 | 794 // add a mark where clicked |
| 795 var setMark = function (data) { | |
| 642 | 796 var $scaler = data.$scaler; |
| 640 | 797 console.debug("setmark"); |
| 798 // start event capturing | |
| 642 | 799 $scaler.one('click.digilib', function (evt) { |
| 640 | 800 // event handler adding a new mark |
| 801 console.debug("setmark.click evt=",evt); | |
| 802 var mpos = geom.position(evt.pageX, evt.pageY); | |
| 803 var pos = data.imgTrafo.invtransform(mpos); | |
| 804 data.marks.push(pos); | |
| 805 redisplay(data); | |
| 642 | 806 return false; // do we even get here? |
| 640 | 807 }); |
| 808 }; | |
| 647 | 809 |
| 810 var zoomArea = function(data) { | |
| 811 $elem = data.$elem; | |
| 812 $scaler = data.$scaler; | |
| 813 var pt1, pt2; | |
| 814 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 815 $elem.append($zoomDiv); | |
| 816 //var overlay = getElement("overlay"); | |
| 817 // use overlay div to avoid <img> mousemove problems | |
| 818 var picRect = geom.rectangle($scaler); | |
| 819 // FIX ME: is there a way to query the border width from CSS info? | |
| 820 // rect.x -= 2; // account for overlay borders | |
| 821 // rect.y -= 2; | |
| 822 //moveElement(overlay, picRect); | |
| 823 //showElement(overlay, true); | |
| 824 // start event capturing | |
| 825 //registerEvent("mousedown", overlay, zoomStart); | |
| 826 //registerEvent("mousedown", this.scalerImg, zoomStart); | |
| 827 | |
| 828 var zoomStart = function (evt) { | |
| 829 pt1 = geom.position(evt); | |
| 830 // setup and show zoom div | |
| 831 //moveElement(zoomdiv, Rectangle(pt1.x, pt1.y, 0, 0)); | |
| 832 $zoomDiv.offset({left : pt1.x, top : pt1.y}); | |
| 833 $zoomDiv.show(); | |
| 834 // register events | |
| 835 $elem.bind("mousemove.digilib", zoomMove); | |
| 836 $elem.bind("mouseup.digilib", zoomEnd); | |
| 837 return false; | |
| 838 }; | |
| 839 | |
| 840 // mouseup handler: end moving | |
| 841 var zoomEnd = function (evt) { | |
| 842 pt2 = geom.position(evt); | |
| 843 // assume a click and continue if the area is too small | |
| 844 var clickRect = geom.rectangle(pt1, pt2); | |
| 845 clickRect.normalize(); | |
| 846 console.debug("clickRect.getArea()=",clickRect.getArea()); | |
| 847 if (clickRect.getArea() <= 5) { | |
| 848 return false; | |
| 849 } | |
| 850 // hide zoom div | |
| 851 $zoomDiv.remove(); | |
| 852 // unregister events | |
| 853 $elem.unbind("mousemove.digilib", zoomMove); | |
| 854 $elem.unbind("mouseup.digilib", zoomEnd); | |
| 855 // clip and transform | |
| 856 clickRect.clipTo(picRect); | |
| 857 var area = data.imgTrafo.invtransform(clickRect); | |
| 858 data.zoomArea = area; | |
| 859 // zoomed is always fit | |
| 860 data.settings.ws = 1; | |
| 861 redisplay(data); | |
| 862 return false; | |
| 863 }; | |
| 864 | |
| 865 // mouse move handler | |
| 866 var zoomMove = function (evt) { | |
| 867 pt2 = geom.position(evt); | |
| 868 var rect = geom.rectangle(pt1, pt2); | |
| 869 rect.normalize(); | |
| 870 rect.clipTo(picRect); | |
| 871 // update zoom div | |
| 872 $zoomDiv.offset({left : rect.x, top : rect.y}); | |
| 873 $zoomDiv.width(rect.width).height(rect.height); | |
| 874 return false; | |
| 875 }; | |
| 876 | |
| 877 // bind start zoom handler | |
| 878 $scaler.one('mousedown.digilib', zoomStart); | |
| 879 }; | |
| 640 | 880 |
| 643 | 881 // sets a key to a value (relative values with +/- if relative=true) |
| 882 var setNumValue = function(settings, key, value) { | |
| 883 if (isNumber(value)) return settings[key] = value; | |
| 884 var sign = value.substring(0,1); | |
| 885 if (sign === '+' || sign === '-') { | |
| 886 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
887 // this isn't perfect but still... |
| 643 | 888 settings[key] = 0; |
| 889 } | |
| 890 settings[key] = parseFloat(settings[key]) + parseFloat(value); | |
| 891 } else { | |
| 892 settings[key] = value; | |
| 893 } | |
| 894 return settings[key]; | |
| 895 }; | |
| 648 | 896 |
| 897 // auxiliary function (from old dllib.js) | |
| 652 | 898 isFullArea = function(area) { |
| 899 return (area.width === 1.0) && (area.height === 1.0); | |
| 648 | 900 }; |
| 901 | |
| 634 | 902 // auxiliary function (from Douglas Crockford, A.10) |
| 903 var isNumber = function isNumber(value) { | |
| 904 return typeof value === 'number' && isFinite(value); | |
| 905 }; | |
| 648 | 906 |
| 624 | 907 // auxiliary function to crop senseless precision |
| 908 var cropFloat = function (x) { | |
| 630 | 909 return parseInt(10000 * x, 10) / 10000; |
| 624 | 910 }; |
| 648 | 911 |
| 598 | 912 // hook plugin into jquery |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
913 $.fn.digilib = function(action) { |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
914 if (actions[action]) { |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
915 // call action on this with the remaining arguments (inserting data as first argument) |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
916 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
917 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
918 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
919 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
920 return actions[action].apply(this, args); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
921 } else if (typeof(action) === 'object' || !action) { |
| 627 | 922 // call init on this |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
923 return actions.init.apply(this, arguments); |
| 598 | 924 } else { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
925 $.error( 'action ' + action + ' does not exist on jQuery.digilib' ); |
| 598 | 926 } |
| 927 }; | |
| 597 | 928 |
| 929 })(jQuery); |