Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 691:98c42d573ebd jquery
took out toggle more-or-less-buttons due to collisions with new buttonset code.
merge with e05c60578bff610f3b85a19a4309842bf7cded1c
| author | robcast |
|---|---|
| date | Thu, 27 Jan 2011 16:59:10 +0100 |
| parents | dfdee83a0a32 317f7033e6ed |
| children | 44ce57888a65 |
| 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 = { | |
| 685 | 9 log : function(){}, |
| 10 debug : function(){}, | |
| 11 error : function(){} | |
| 12 }; | |
| 13 var customConsole = true; | |
| 14 }; | |
| 597 | 15 |
| 16 (function($) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
17 var buttons = { |
| 603 | 18 reference : { |
| 682 | 19 onclick : "reference", |
| 603 | 20 tooltip : "get a reference URL", |
| 21 img : "reference.png" | |
| 22 }, | |
| 23 zoomin : { | |
| 636 | 24 onclick : ["zoomBy", 1.4], |
| 603 | 25 tooltip : "zoom in", |
| 26 img : "zoom-in.png" | |
| 27 }, | |
| 28 zoomout : { | |
| 636 | 29 onclick : ["zoomBy", 0.7], |
| 603 | 30 tooltip : "zoom out", |
| 31 img : "zoom-out.png" | |
| 32 }, | |
| 33 zoomarea : { | |
| 647 | 34 onclick : "zoomArea", |
| 603 | 35 tooltip : "zoom area", |
| 36 img : "zoom-area.png" | |
| 37 }, | |
| 38 zoomfull : { | |
| 643 | 39 onclick : "zoomFull", |
| 603 | 40 tooltip : "view the whole image", |
| 41 img : "zoom-full.png" | |
| 42 }, | |
| 43 pagewidth : { | |
| 643 | 44 onclick : ["zoomFull", "width"], |
| 603 | 45 tooltip : "page width", |
| 46 img : "pagewidth.png" | |
| 47 }, | |
| 48 back : { | |
| 616 | 49 onclick : ["gotoPage", "-1"], |
| 603 | 50 tooltip : "goto previous image", |
| 51 img : "back.png" | |
| 52 }, | |
| 53 fwd : { | |
| 616 | 54 onclick : ["gotoPage", "+1"], |
| 603 | 55 tooltip : "goto next image", |
| 56 img : "fwd.png" | |
| 57 }, | |
| 58 page : { | |
| 59 onclick : "javascript:gotoPageWin()", | |
| 60 tooltip : "specify image", | |
| 61 img : "page.png" | |
| 62 }, | |
| 63 bird : { | |
| 628 | 64 onclick : "showBirdDiv", |
| 603 | 65 tooltip : "show bird's eye view", |
| 66 img : "birds-eye.png" | |
| 67 }, | |
| 68 help : { | |
| 628 | 69 onclick : "showAboutDiv", |
| 603 | 70 tooltip : "about Digilib", |
| 71 img : "help.png" | |
| 72 }, | |
| 73 reset : { | |
| 681 | 74 onclick : "reset", |
| 603 | 75 tooltip : "reset image", |
| 76 img : "reset.png" | |
| 77 }, | |
| 78 mark : { | |
| 640 | 79 onclick : "setMark", |
| 603 | 80 tooltip : "set a mark", |
| 81 img : "mark.png" | |
| 82 }, | |
| 83 delmark : { | |
| 643 | 84 onclick : "removeMark", |
| 603 | 85 tooltip : "delete the last mark", |
| 86 img : "delmark.png" | |
| 87 }, | |
| 88 hmir : { | |
| 654 | 89 onclick : ["mirror", "h"], |
| 603 | 90 tooltip : "mirror horizontally", |
| 91 img : "mirror-horizontal.png" | |
| 92 }, | |
| 93 vmir : { | |
| 654 | 94 onclick : ["mirror", "v"], |
| 603 | 95 tooltip : "mirror vertically", |
| 96 img : "mirror-vertical.png" | |
| 97 }, | |
| 98 rot : { | |
| 656 | 99 onclick : "rotate", |
| 603 | 100 tooltip : "rotate image", |
| 101 img : "rotate.png" | |
| 102 }, | |
| 103 brgt : { | |
| 656 | 104 onclick : "brightness", |
| 603 | 105 tooltip : "set brightness", |
| 106 img : "brightness.png" | |
| 107 }, | |
| 108 cont : { | |
| 656 | 109 onclick : "contrast", |
| 603 | 110 tooltip : "set contrast", |
| 111 img : "contrast.png" | |
| 112 }, | |
| 113 rgb : { | |
| 114 onclick : "javascript:setParamWin('rgb', '...')", | |
| 115 tooltip : "set rgb values", | |
| 116 img : "rgb.png" | |
| 117 }, | |
| 118 quality : { | |
| 119 onclick : "javascript:setQualityWin('Quality (0..2)')", | |
| 120 tooltip : "set image quality", | |
| 121 img : "quality.png" | |
| 122 }, | |
| 123 size : { | |
| 124 onclick : "javascript:toggleSizeMenu()", | |
| 125 tooltip : "set page size", | |
| 126 img : "size.png" | |
| 127 }, | |
| 128 calibrationx : { | |
| 129 onclick : "javascript:calibrate('x')", | |
| 130 tooltip : "calibrate screen x-ratio", | |
| 131 img : "calibration-x.png" | |
| 132 }, | |
| 133 scale : { | |
| 134 onclick : "javascript:toggleScaleMenu()", | |
| 135 tooltip : "change image scale", | |
| 136 img : "original-size.png" | |
| 137 }, | |
| 683 | 138 moreoptions : { |
| 139 onclick : ["morebuttons", "+1"], | |
| 140 tooltip : "more options", | |
| 141 img : "options.png" | |
| 142 }, | |
| 143 lessoptions : { | |
| 144 onclick : ["morebuttons", "-1"], | |
| 145 tooltip : "less options", | |
| 603 | 146 img : "options.png" |
| 147 }, | |
| 148 SEP : { | |
| 149 img : "sep.png" | |
| 150 } | |
| 151 }; | |
|
610
2f2cd8c44a1c
toggle view event handlers for bird's eye and 'about windows
hertzhaft
parents:
609
diff
changeset
|
152 |
| 598 | 153 var defaults = { |
| 609 | 154 // version of this script |
| 628 | 155 'version' : 'jquery.digilib.js 0.9', |
| 609 | 156 // logo url |
| 157 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 628 | 158 // homepage url (behind logo) |
| 159 'homeUrl' : 'http://digilib.berlios.de', | |
| 603 | 160 // base URL to Scaler servlet |
| 645 | 161 'scalerBaseUrl' : null, |
| 603 | 162 // list of Scaler parameters |
| 620 | 163 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 164 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 165 // Scaler parameter defaults | |
| 636 | 166 'pn' : 1, |
| 620 | 167 'ww' : 1.0, |
| 168 'wh' : 1.0, | |
| 169 'wx' : 0.0, | |
| 170 'wy' : 0.0, | |
| 171 'ws' : 1.0, | |
| 636 | 172 'mo' : '', |
| 173 'rot' : 0, | |
| 174 'cont' : 0, | |
| 175 'brgt' : 0, | |
| 176 'rgbm' : '0/0/0', | |
| 177 'rgba' : '0/0/0', | |
| 178 'ddpi' : null, | |
| 179 'ddpix' : null, | |
| 180 'ddpiy' : null, | |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
181 // list of digilib parameters |
| 643 | 182 '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
|
183 // digilib parameter defaults |
| 636 | 184 'mk' : '', |
| 643 | 185 'clop' : '', |
| 636 | 186 // mode of operation: |
| 187 // fullscreen = take parameters from page URL, keep state in page URL | |
| 188 // embedded = take parameters from Javascript options, keep state inside object | |
| 603 | 189 'interactionMode' : 'fullscreen', |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
190 // buttons |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
191 'buttons' : buttons, |
| 661 | 192 // defaults for digilib buttons |
| 658 | 193 'buttonSettings' : { |
| 194 'fullscreen' : { | |
| 661 | 195 // path to button images (must end with a slash) |
| 658 | 196 'imagePath' : 'img/fullscreen/', |
| 683 | 197 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","SEP","help","reset","moreoptions"], |
| 198 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","SEP","lessoptions"], | |
| 675 | 199 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 200 }, |
| 201 'embedded' : { | |
| 202 'imagePath' : 'img/embedded/16/', | |
| 686 | 203 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","back","fwd","page","bird","SEP","help","reset","moreoptions"], |
| 204 'specialSet' : ["hmir","vmir","rot","brgt","cont","rgb","quality","size","SEP","lessoptions"], | |
| 675 | 205 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 206 } |
| 690 | 207 }, |
| 208 // number of visible button groups | |
| 209 'visibleButtonSets' : 1, | |
| 609 | 210 // is birdView shown? |
| 211 'isBirdDivVisible' : false, | |
| 661 | 212 // dimensions of bird's eye div |
| 667 | 213 'birdDivWidth' : 200, |
| 214 'birdDivHeight' : 200, | |
| 661 | 215 // style of the zoom area indicator in the bird's eye div |
| 652 | 216 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, |
| 661 | 217 // style of zoom area "rubber band" |
| 218 'zoomrectStyle' : {'border' : '2px solid #ff0000' }, | |
| 609 | 219 // is the "about" window shown? |
| 220 'isAboutDivVisible' : false | |
| 221 | |
| 603 | 222 }; |
| 648 | 223 |
| 601 | 224 // affine geometry classes |
| 225 var geom = dlGeometry(); | |
| 648 | 226 |
| 636 | 227 var MAX_ZOOMAREA = geom.rectangle(0, 0, 1, 1); |
| 648 | 228 |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
229 var actions = { |
| 661 | 230 // init: digilib initialization |
| 231 init : function(options) { | |
| 232 // settings for this digilib instance are merged from defaults and options | |
| 233 var settings = $.extend({}, defaults, options); | |
| 234 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 235 var queryParams = {}; | |
| 236 if (isFullscreen) { | |
| 237 queryParams = parseQueryParams(); | |
| 238 // check scalerBaseUrl | |
| 239 if (settings.scalerBaseUrl == null) { | |
| 240 // try the host this came from | |
| 241 var h = window.location.host; | |
| 242 if (window.location.host) { | |
| 243 var url = window.location.href; | |
| 244 // assume the page lives in [webapp]/jquery/ | |
| 245 var pos = url.indexOf('jquery/'); | |
| 246 if (pos > 0) { | |
| 247 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 645 | 248 } |
| 249 } | |
| 629 | 250 } |
| 661 | 251 } |
| 252 return this.each(function() { | |
| 253 var $elem = $(this); | |
| 254 var data = $elem.data('digilib'); | |
| 681 | 255 var params, elemSettings; |
| 661 | 256 // if the plugin hasn't been initialized yet |
| 257 if (!data) { | |
| 258 // merge query parameters | |
| 259 if (isFullscreen) { | |
| 681 | 260 params = queryParams; |
| 661 | 261 } else { |
| 681 | 262 params = parseImgParams($elem); |
| 263 }; | |
| 661 | 264 // store $(this) element in the settings |
| 681 | 265 elemSettings = $.extend({}, settings, params); |
| 690 | 266 data = { |
| 661 | 267 $elem : $elem, |
| 268 settings : elemSettings, | |
| 681 | 269 queryParams : params |
| 661 | 270 }; |
| 271 // store in data element | |
| 272 $elem.data('digilib', data); | |
| 273 } | |
| 274 unpackParams(data); | |
| 675 | 275 // create HTML structure for scaler |
| 661 | 276 setupScalerDiv(data); |
| 690 | 277 // add buttons |
| 278 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
| 279 showButtons(data, true, i); | |
| 280 } | |
| 661 | 281 // bird's eye view creation |
| 282 if (elemSettings.isBirdDivVisible) { | |
| 631 | 283 setupBirdDiv(data); |
| 284 } | |
| 661 | 285 // about window creation - TODO: could be deferred? restrict to only one item? |
| 286 setupAboutDiv(data); | |
| 287 }); | |
| 288 }, | |
| 289 | |
| 290 // destroy: clean up digilib | |
| 291 destroy : function(data) { | |
| 292 return this.each(function(){ | |
| 293 var $elem = $(this); | |
| 294 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 295 data.digilib.remove(); | |
| 296 $elem.removeData('digilib'); | |
| 297 }); | |
| 298 }, | |
| 299 | |
| 300 // show or hide the 'about' window | |
| 301 showAboutDiv : function(data, show) { | |
| 302 data.settings.isAboutDivVisible = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); | |
| 303 }, | |
| 648 | 304 |
| 661 | 305 // event handler: toggles the visibility of the bird's eye window |
| 306 showBirdDiv : function (data, show) { | |
| 307 if (data.$birdDiv == null) { | |
| 308 // no bird div -> create | |
| 309 setupBirdDiv(data); | |
| 310 } | |
| 311 // TODO: keep bird view visible after reload (parameter, cookie?) | |
| 312 data.settings.isBirdDivVisible = showDiv(data.settings.isBirdDivVisible, data.$birdDiv, show); | |
|
688
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
313 cookie(data, 'birdview', data.settings.isBirdDivVisible ? "1" : "0"); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
314 data.$birdImg.triggerHandler('load'); |
| 661 | 315 }, |
| 316 | |
| 317 // goto given page nr (+/-: relative) | |
| 318 gotoPage : function (data, pageNr) { | |
| 319 var settings = data.settings; | |
| 320 var oldpn = settings.pn; | |
| 321 var pn = setNumValue(settings, "pn", pageNr); | |
| 322 if (pn == null) return false; // nothing happened | |
| 323 if (pn < 1) { | |
| 324 alert("no such page (page number too low)"); | |
| 325 settings.pn = oldpn; | |
| 326 return false; | |
| 327 } | |
| 328 if (settings.pt) { | |
| 329 if (pn > settings.pt) { | |
| 330 alert("no such page (page number too high)"); | |
| 616 | 331 settings.pn = oldpn; |
| 332 return false; | |
| 627 | 333 } |
| 661 | 334 } |
| 335 // reset mk and others(?) | |
| 336 data.marks = []; | |
| 337 data.zoomArea = MAX_ZOOMAREA; | |
| 338 // then reload | |
| 339 redisplay(data); | |
| 340 }, | |
| 647 | 341 |
| 661 | 342 // zoom by a given factor |
| 343 zoomBy : function (data, factor) { | |
| 344 zoomBy(data, factor); | |
| 345 }, | |
| 640 | 346 |
| 661 | 347 // zoom interactively |
| 348 zoomArea : function (data) { | |
| 349 zoomArea(data); | |
| 350 }, | |
| 643 | 351 |
| 661 | 352 // zoom out to full page |
| 353 zoomFull : function (data, mode) { | |
| 354 data.zoomArea = MAX_ZOOMAREA; | |
| 355 if (mode === 'width') { | |
| 356 data.dlOpts.fitwidth = 1; | |
| 357 delete data.dlOpts.fitheight; | |
| 358 } else if (mode === 'height') { | |
| 359 data.dlOpts.fitheight = 1; | |
| 360 delete data.dlOpts.fitwidth; | |
| 361 } else { | |
| 362 delete data.dlOpts.fitwidth; | |
| 363 delete data.dlOpts.fitheight; | |
| 364 } | |
| 365 redisplay(data); | |
| 366 }, | |
| 367 | |
| 368 // set a mark by clicking (or giving a position) | |
| 369 setMark : function (data, mpos) { | |
| 370 if (mpos == null) { | |
| 371 // interactive | |
| 372 setMark(data); | |
| 373 } else { | |
| 374 // use position | |
| 375 data.marks.push(pos); | |
| 656 | 376 redisplay(data); |
| 597 | 377 } |
| 661 | 378 }, |
| 379 | |
| 380 // remove the last mark | |
| 381 removeMark : function (data) { | |
| 382 data.marks.pop(); | |
| 383 redisplay(data); | |
| 384 }, | |
| 385 | |
| 386 // mirror the image | |
| 387 mirror : function (data, mode) { | |
| 388 var flags = data.scalerFlags; | |
| 389 if (mode === 'h') { | |
| 390 if (flags.hmir) { | |
| 391 delete flags.hmir; | |
| 392 } else { | |
| 393 flags.hmir = 1; | |
| 394 } | |
| 395 } else { | |
| 396 if (flags.vmir) { | |
| 397 delete flags.vmir; | |
| 398 } else { | |
| 399 flags.vmir = 1; | |
| 400 } | |
| 401 } | |
| 402 redisplay(data); | |
| 403 }, | |
| 643 | 404 |
| 661 | 405 // rotate the image |
| 406 rotate : function (data, angle) { | |
| 407 var rot = data.settings.rot; | |
| 408 if (angle == null) { | |
| 409 angle = window.prompt("Rotation angle:", rot); | |
| 410 } | |
| 411 data.settings.rot = angle; | |
| 412 redisplay(data); | |
| 413 }, | |
| 414 | |
| 415 // change brightness | |
| 416 brightness : function (data, factor) { | |
| 417 var brgt = data.settings.brgt; | |
| 418 if (factor == null) { | |
| 419 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 420 } | |
| 421 data.settings.brgt = factor; | |
| 422 redisplay(data); | |
| 423 }, | |
| 424 | |
| 425 // change contrast | |
| 426 contrast : function (data, factor) { | |
| 427 var cont = data.settings.cont; | |
| 428 if (factor == null) { | |
| 429 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 430 } | |
| 431 data.settings.cont = factor; | |
| 432 redisplay(data); | |
| 681 | 433 }, |
| 683 | 434 |
| 435 // display more (or less) button sets | |
| 436 morebuttons : function (data, more) { | |
| 689 | 437 var settings = data.settings; |
| 683 | 438 if (more === '-1') { |
| 439 // remove set | |
| 690 | 440 var setIdx = settings.visibleButtonSets - 1; |
| 441 if (showButtons(data, false, setIdx, true)) { | |
| 442 settings.visibleButtonSets--; | |
| 443 } | |
| 683 | 444 } else { |
| 445 // add set | |
| 690 | 446 var setIdx = settings.visibleButtonSets; |
| 447 if (showButtons(data, true, setIdx, true)) { | |
| 448 settings.visibleButtonSets++; | |
| 683 | 449 } |
| 450 } | |
| 684 | 451 }, |
| 681 | 452 |
| 453 reset : function (data) { | |
| 454 var settings = data.settings; | |
| 455 var paramNames = settings.digilibParamNames; | |
| 456 var params = data.queryParams; | |
| 457 resetData(data); | |
| 458 // delete all digilib parameters | |
| 459 for (var i = 0; i < paramNames.length; i++) { | |
| 460 var paramName = paramNames[i]; | |
| 461 delete settings[paramName]; | |
| 462 }; | |
| 463 // fullscreen: restore only fn/pn parameters | |
| 464 if (settings.interactionMode === 'fullscreen') { | |
| 465 settings['fn'] = params.fn; | |
| 466 settings['pn'] = params.pn; | |
| 467 // embedded: restore original parameters | |
| 468 } else { | |
| 469 $.extend(settings, params); | |
| 470 }; | |
| 471 redisplay(data); | |
| 682 | 472 }, |
| 473 | |
| 474 reference : function (data) { | |
| 475 var settings = data.settings; | |
| 476 var url; | |
| 477 if (settings.interactionMode === 'fullscreen') { | |
| 478 url = getDigilibUrl(data); | |
| 479 } else { | |
| 480 url = getScalerUrl(data); | |
| 481 }; | |
| 482 window.prompt("URL reference to the current view", url); | |
| 661 | 483 } |
| 598 | 484 }; |
| 597 | 485 |
| 601 | 486 // returns parameters from page url |
| 600 | 487 var parseQueryParams = function() { |
| 629 | 488 return parseQueryString(window.location.search.slice(1)); |
| 489 }; | |
| 648 | 490 |
| 629 | 491 // returns parameters from embedded img-element |
| 600 | 492 var parseImgParams = function($elem) { |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
493 var src = $elem.find('img').first().attr('src'); |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
494 if (!src) { |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
495 return null; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
496 } |
| 600 | 497 var pos = src.indexOf('?'); |
| 498 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 499 var scalerUrl = src.substring(0, pos); | |
| 620 | 500 var params = parseQueryString(query); |
| 501 params.scalerBaseUrl = scalerUrl; | |
| 502 return params; | |
| 629 | 503 }; |
| 600 | 504 |
| 601 | 505 // parses query parameter string into parameter object |
| 600 | 506 var parseQueryString = function(query) { |
| 507 var pairs = query.split("&"); | |
| 620 | 508 var params = {}; |
| 629 | 509 //var keys = []; |
| 600 | 510 for (var i = 0; i < pairs.length; i++) { |
| 511 var pair = pairs[i].split("="); | |
| 512 if (pair.length === 2) { | |
| 620 | 513 params[pair[0]] = pair[1]; |
| 629 | 514 //keys.push(pair[0]); |
| 627 | 515 } |
| 629 | 516 } |
| 620 | 517 return params; |
| 629 | 518 }; |
| 661 | 519 |
| 636 | 520 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 521 var getParamString = function (settings, keys, defaults) { | |
| 608 | 522 var paramString = ''; |
| 643 | 523 var nx = false; |
| 608 | 524 for (i = 0; i < keys.length; ++i) { |
| 525 var key = keys[i]; | |
| 656 | 526 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 608 | 527 // first param gets no '&' |
| 643 | 528 if (nx) { |
| 529 paramString += '&'; | |
| 530 } else { | |
| 531 nx = true; | |
| 532 } | |
| 608 | 533 // add parm=val |
| 534 paramString += key + '=' + settings[key]; | |
| 636 | 535 } |
| 608 | 536 } |
| 537 return paramString; | |
| 624 | 538 }; |
| 539 | |
|
688
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
540 // set/get cookie for current image |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
541 var cookie = function (data, key, value) { |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
542 var settings = data.settings; |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
543 var fn = settings.fn; |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
544 var pn = settings.pn; |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
545 var name = key + ":fn=" + fn + ":pn=" + pn; |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
546 var result = (typeof value === 'undefined') ? $.cookie(name) : $.cookie(name, value, 7); |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
547 console.log("cookie=", name, " value=", $.cookie(name)); |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
548 return result; |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
549 }; |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
550 |
| 629 | 551 // returns URL and query string for Scaler |
| 552 var getScalerUrl = function (data) { | |
| 646 | 553 var settings = data.settings; |
| 645 | 554 if (settings.scalerBaseUrl == null) { |
| 555 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
| 556 } | |
| 658 | 557 packParams(data); |
| 629 | 558 var keys = settings.scalerParamNames; |
| 636 | 559 var queryString = getParamString(settings, keys, defaults); |
| 629 | 560 var url = settings.scalerBaseUrl + '?' + queryString; |
| 561 return url; | |
| 562 }; | |
| 563 | |
| 564 // 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
|
565 var getDigilibUrl = function (data) { |
| 636 | 566 packParams(data); |
| 629 | 567 var settings = data.settings; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
568 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 629 | 569 var url = window.location.toString(); |
| 570 var pos = url.indexOf('?'); | |
| 571 var baseUrl = url.substring(0, pos); | |
| 572 var newurl = baseUrl + '?' + queryString; | |
| 573 return newurl; | |
| 574 }; | |
| 575 | |
| 648 | 576 // processes some parameters into objects and stuff |
| 624 | 577 var unpackParams = function (data) { |
| 578 var settings = data.settings; | |
| 629 | 579 // zoom area |
| 624 | 580 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 581 data.zoomArea = zoomArea; |
| 629 | 582 // marks |
| 624 | 583 var marks = []; |
| 643 | 584 if (settings.mk) { |
| 585 var mk = settings.mk; | |
| 586 if (mk.indexOf(";") >= 0) { | |
| 587 var pa = mk.split(";"); // old format with ";" | |
| 588 } else { | |
| 589 var pa = mk.split(","); // new format | |
| 590 } | |
| 591 for (var i = 0; i < pa.length ; i++) { | |
| 592 var pos = pa[i].split("/"); | |
| 593 if (pos.length > 1) { | |
| 594 marks.push(geom.position(pos[0], pos[1])); | |
| 595 } | |
| 626 | 596 } |
| 624 | 597 } |
| 636 | 598 data.marks = marks; |
| 643 | 599 // mo (Scaler flags) |
| 600 var flags = {}; | |
| 601 if (settings.mo) { | |
| 602 var pa = settings.mo.split(","); | |
| 603 for (var i = 0; i < pa.length ; i++) { | |
| 604 flags[pa[i]] = pa[i]; | |
| 605 } | |
| 606 } | |
| 607 data.scalerFlags = flags; | |
| 608 // clop (digilib options) | |
| 609 var opts = {}; | |
| 610 if (settings.clop) { | |
| 611 var pa = settings.clop.split(","); | |
| 612 for (var i = 0; i < pa.length ; i++) { | |
| 613 opts[pa[i]] = pa[i]; | |
| 614 } | |
| 615 } | |
| 616 data.dlOpts = opts; | |
| 654 | 617 // birdview option |
|
688
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
618 if (cookie(data, 'birdview') === '1') { |
| 654 | 619 settings.isBirdDivVisible = 1; |
|
688
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
620 } |
| 648 | 621 }; |
| 622 | |
| 624 | 623 // put objects back into parameters |
| 624 var packParams = function (data) { | |
| 625 var settings = data.settings; | |
| 629 | 626 // zoom area |
| 636 | 627 if (data.zoomArea) { |
| 640 | 628 settings.wx = cropFloat(data.zoomArea.x); |
| 629 settings.wy = cropFloat(data.zoomArea.y); | |
| 630 settings.ww = cropFloat(data.zoomArea.width); | |
| 631 settings.wh = cropFloat(data.zoomArea.height); | |
| 624 | 632 } |
| 629 | 633 // marks |
| 636 | 634 if (data.marks) { |
| 643 | 635 settings.mk = ''; |
| 636 | 636 for (var i = 0; i < data.marks.length; i++) { |
| 643 | 637 if (i) { |
| 638 settings.mk += ','; | |
| 639 } | |
| 640 settings.mk += cropFloat(data.marks[i].x).toString() + '/' + cropFloat(data.marks[i].y).toString(); | |
| 624 | 641 } |
| 643 | 642 } |
| 643 // Scaler flags | |
| 644 if (data.scalerFlags) { | |
| 645 var mo = ''; | |
| 646 for (var f in data.scalerFlags) { | |
| 647 if (mo) { | |
| 648 mo += ','; | |
| 649 } | |
| 650 mo += f; | |
| 651 } | |
| 652 settings.mo = mo; | |
| 653 } | |
|
688
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
654 // digilib option birdview |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
655 // cookie(data, 'birdview', settings.isBirdDivVisible ? "1" : "0"); |
| 681 | 656 |
| 643 | 657 // digilib options |
| 658 if (data.dlOpts) { | |
| 659 var clop = ''; | |
| 660 for (var o in data.dlOpts) { | |
| 661 if (clop) { | |
| 662 clop += ','; | |
| 663 } | |
| 664 clop += o; | |
| 665 } | |
| 666 settings.clop = clop; | |
| 624 | 667 } |
| 668 }; | |
| 648 | 669 |
| 681 | 670 // clear digilib data for reset |
| 671 var resetData = function (data) { | |
| 672 if (data.zoomArea) delete data.zoomArea; | |
| 673 if (data.marks) delete data.marks; | |
| 674 if (data.scalerFlags) delete data.scalerFlags; | |
| 675 if (data.dlOpts) delete data.dlOpts; | |
| 676 }; | |
| 677 | |
| 615 | 678 // (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
|
679 var redisplay = function (data) { |
| 629 | 680 var settings = data.settings; |
| 681 if (settings.interactionMode === 'fullscreen') { | |
| 682 // 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
|
683 var url = getDigilibUrl(data); |
| 629 | 684 var history = window.history; |
| 685 if (typeof(history.pushState) === 'function') { | |
| 686 console.debug("we could modify history, but we don't..."); | |
| 687 } | |
| 688 window.location = url; | |
| 689 } else { | |
| 690 // embedded mode -- just change img src | |
| 691 var url = getScalerUrl(data); | |
| 692 data.$img.attr('src', url); | |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
693 // and update bird's eye view |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
694 //if (settings.isBirdDivVisible) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
695 // renderBirdZoom(data); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
696 //} |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
697 }; |
| 615 | 698 }; |
| 699 | |
| 655 | 700 // returns maximum size for scaler img in fullscreen mode |
| 701 var getFullscreenImgSize = function($elem) { | |
| 702 var $win = $(window); | |
| 703 var winH = $win.height(); | |
| 704 var winW = $win.width(); | |
| 705 // TODO: account for borders? | |
| 706 return geom.size(winW, winH); | |
| 707 }; | |
| 708 | |
| 601 | 709 // creates HTML structure for digilib in elem |
| 620 | 710 var setupScalerDiv = function (data) { |
| 711 var settings = data.settings; | |
| 640 | 712 var $elem = data.$elem; |
| 679 | 713 var $img, scalerUrl; |
| 714 // fullscreen | |
| 601 | 715 if (settings.interactionMode === 'fullscreen') { |
| 602 | 716 var imgSize = getFullscreenImgSize($elem); |
| 643 | 717 // fitwidth/height omits destination height/width |
| 718 if (data.dlOpts['fitheight'] == null) { | |
| 719 settings.dw = imgSize.width; | |
| 679 | 720 }; |
| 643 | 721 if (data.dlOpts['fitwidth'] == null) { |
| 722 settings.dh = imgSize.height; | |
| 679 | 723 }; |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
724 $img = $('<img/>'); |
| 679 | 725 scalerUrl = getScalerUrl(data); |
| 726 // embedded mode -- try to keep img tag | |
| 602 | 727 } else { |
| 616 | 728 $img = $elem.find('img'); |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
729 if ($img.length > 0) { |
| 679 | 730 console.debug("img detach:", $img); |
| 731 scalerUrl = $img.attr('src'); | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
732 $img.detach(); |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
733 } else { |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
734 $img = $('<img/>'); |
| 679 | 735 scalerUrl = getScalerUrl(data); |
| 736 }; | |
| 601 | 737 } |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
738 // create new html |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
739 $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
|
740 var $scaler = $('<div class="scaler"/>'); |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
741 $elem.append($scaler); |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
742 $scaler.append($img); |
| 615 | 743 $img.addClass('pic'); |
| 642 | 744 data.$scaler = $scaler; |
| 629 | 745 data.$img = $img; |
| 680 | 746 // setup image load handler before setting the src attribute (IE bug) |
| 747 $img.load(scalerImgLoadedHandler(data)); | |
| 748 $img.attr('src', scalerUrl); | |
| 601 | 749 }; |
| 608 | 750 |
| 603 | 751 // creates HTML structure for buttons in elem |
| 690 | 752 var createButtons = function (data, buttonSetIdx) { |
| 640 | 753 var $elem = data.$elem; |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
754 var settings = data.settings; |
| 658 | 755 var mode = settings.interactionMode; |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
756 var buttonSettings = settings.buttonSettings[mode]; |
| 675 | 757 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 683 | 758 if (buttonGroup == null) { |
| 759 // no buttons here | |
| 760 return; | |
| 761 } | |
| 762 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 675 | 763 var buttonNames = buttonSettings[buttonGroup]; |
| 764 for (var i = 0; i < buttonNames.length; i++) { | |
| 765 var buttonName = buttonNames[i]; | |
| 766 var buttonConfig = settings.buttons[buttonName]; | |
| 658 | 767 // construct the button html |
| 768 var $button = $('<div class="button"></div>'); | |
| 769 var $a = $('<a/>'); | |
| 770 var $img = $('<img class="button"/>'); | |
| 771 $buttonsDiv.append($button); | |
| 772 $button.append($a); | |
| 773 $a.append($img); | |
| 774 // add attributes and bindings | |
| 775 $button.attr('title', buttonConfig.tooltip); | |
| 675 | 776 $button.addClass('button-' + buttonName); |
| 658 | 777 // create handler for the buttons |
| 778 $a.bind('click.digilib', (function () { | |
| 779 // we create a new closure to capture the value of action | |
| 780 var action = buttonConfig.onclick; | |
| 781 if ($.isArray(action)) { | |
| 782 // the handler function calls digilib with action and parameters | |
| 783 return function (evt) { | |
| 784 console.debug('click action=', action, ' evt=', evt); | |
| 785 $elem.digilib.apply($elem, action); | |
| 786 return false; | |
| 787 }; | |
| 788 } else { | |
| 789 // the handler function calls digilib with action | |
| 790 return function (evt) { | |
| 791 console.debug('click action=', action, ' evt=', evt); | |
| 792 $elem.digilib(action); | |
| 793 return false; | |
| 794 }; | |
| 795 } | |
| 796 })()); | |
| 797 $img.attr('src', buttonSettings.imagePath + buttonConfig.img); | |
| 683 | 798 } |
| 655 | 799 // make buttons div scroll if too large for window |
| 800 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 801 $buttonsDiv.css('position', 'absolute'); | |
| 802 } | |
| 690 | 803 // buttons hidden at first |
| 804 $buttonsDiv.hide(); | |
| 805 $elem.append($buttonsDiv); | |
| 675 | 806 if (data.$buttonSets == null) { |
| 690 | 807 // first button set |
| 675 | 808 data.$buttonSets = [$buttonsDiv]; |
| 809 } else { | |
| 683 | 810 $elem.append($buttonsDiv); |
| 675 | 811 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 812 } | |
| 605 | 813 return $buttonsDiv; |
| 603 | 814 }; |
| 608 | 815 |
| 816 // creates HTML structure for the bird's eye view in elem | |
| 631 | 817 var setupBirdDiv = function (data) { |
| 640 | 818 var $elem = data.$elem; |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
819 var settings = data.settings; |
| 608 | 820 // use only the relevant parameters |
| 821 var keys = ['fn','pn','dw','dh']; | |
| 667 | 822 var birdDivOptions = { |
| 823 dw : settings.birdDivWidth, | |
| 824 dh : settings.birdDivHeight | |
| 825 }; | |
| 826 var birdSettings = $.extend({}, settings, birdDivOptions); | |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
827 var birdUrl = settings.scalerBaseUrl + '?' + getParamString(birdSettings, keys); |
| 608 | 828 // 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
|
829 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 608 | 830 // the detail indicator frame |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
831 var $birdZoom = $('<div class="birdZoom" style="display:none; position:absolute; background-color:transparent;"/>'); |
| 608 | 832 // the small image |
| 833 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
|
834 $elem.append($birdDiv); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
835 $birdDiv.append($birdZoom); |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
836 $birdDiv.append($birdImg); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
837 $birdZoom.css(data.settings.birdIndicatorStyle); |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
838 data.$birdDiv = $birdDiv; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
839 data.$birdZoom = $birdZoom; |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
840 data.$birdImg = $birdImg; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
841 $birdImg.load(birdImgLoadedHandler(data)); |
| 608 | 842 $birdImg.attr('src', birdUrl); |
|
633
f58bf103c3af
enabling bird's eye view in options now even works...
robcast
parents:
632
diff
changeset
|
843 if (data.settings.isBirdDivVisible) { |
| 680 | 844 $birdDiv.show(); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
845 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
846 birdZoom(data); |
|
633
f58bf103c3af
enabling bird's eye view in options now even works...
robcast
parents:
632
diff
changeset
|
847 }; |
| 608 | 848 |
| 618 | 849 // 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
|
850 var setupAboutDiv = function (data) { |
| 640 | 851 var $elem = data.$elem; |
|
621
7f97716b901c
changed methods to pass "data" around instead of "settings"
robcast
parents:
620
diff
changeset
|
852 var settings = data.settings; |
| 618 | 853 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 609 | 854 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 855 var $link = $('<a/>'); | |
| 856 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 857 var $content = $('<p/>'); | |
| 858 $elem.append($aboutDiv); | |
| 859 $aboutDiv.append($header); | |
| 860 $aboutDiv.append($link); | |
| 861 $aboutDiv.append($content); | |
| 862 $link.append($logo); | |
| 863 $logo.attr('src', settings.logoUrl); | |
| 628 | 864 $link.attr('href', settings.homeUrl); |
| 609 | 865 $content.text('Version: ' + settings.version); |
| 628 | 866 // click hides |
| 642 | 867 $aboutDiv.bind('click.digilib', function () { |
| 639 | 868 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
| 642 | 869 return false; |
| 870 }); | |
| 628 | 871 data.$aboutDiv = $aboutDiv; |
| 627 | 872 }; |
| 873 | |
| 628 | 874 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 875 var showDiv = function (isVisible, $div, show) { | |
| 638 | 876 if (show == null) { |
| 628 | 877 // toggle visibility |
| 878 isVisible = !isVisible; | |
| 879 } else { | |
| 880 // set visibility | |
| 881 isVisible = show; | |
| 882 } | |
| 883 if (isVisible) { | |
| 884 $div.fadeIn(); | |
| 885 } else { | |
| 886 $div.fadeOut(); | |
| 887 } | |
| 888 return isVisible; | |
| 627 | 889 }; |
| 609 | 890 |
| 690 | 891 // display more (or less) button sets |
| 892 var showButtons = function (data, more, setIdx, animated) { | |
| 893 if (more) { | |
| 894 // add set | |
| 895 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 896 var $set; | |
| 897 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 898 // set exists | |
| 899 $set = data.$buttonSets[setIdx]; | |
| 900 } else { | |
| 901 $set = createButtons(data, setIdx); | |
| 902 } | |
| 903 if ($set == null) return false; | |
| 904 var btnWidth = $set.width(); | |
| 905 // move remaining sets left and show new set | |
| 906 if (animated) { | |
| 907 $otherSets.animate({left : '-='+btnWidth+'px'}, 'fast', | |
| 908 function () {$set.show();}); | |
| 909 } else { | |
| 910 $otherSets.css({left : '-='+btnWidth+'px'}); | |
| 911 $set.show(); | |
| 912 } | |
| 913 } else { | |
| 914 // remove set | |
| 915 var $set = data.$buttonSets[setIdx]; | |
| 916 if ($set == null) return false; | |
| 917 var btnWidth = $set.width(); | |
| 918 // hide last set | |
| 919 $set.hide(); | |
| 920 // take remaining sets and move right | |
| 921 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 922 if (animated) { | |
| 923 $otherSets.animate({left : '+='+btnWidth+'px'}, 'fast'); | |
| 924 } else { | |
| 925 $otherSets.css({left : '+='+btnWidth+'px'}); | |
| 926 } | |
| 927 } | |
| 928 return true; | |
| 929 }; | |
| 930 | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
931 // create Transform from area and $img |
| 668 | 932 var getImgTrafo = function ($img, area, rot, hmir, vmir) { |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
933 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
|
934 var trafo = geom.transform(); |
| 668 | 935 // move zoom area offset to center |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
936 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 668 | 937 // scale zoom area size to [1,1] |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
938 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 668 | 939 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 940 if (rot || hmir || vmir) { | |
| 941 // move [0.5,0.5] to center | |
| 942 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 943 if (hmir) { | |
| 944 // mirror about center | |
| 945 trafo.concat(trafo.getMirror('y')); | |
| 946 } | |
| 947 if (vmir) { | |
| 948 // mirror about center | |
| 949 trafo.concat(trafo.getMirror('x')); | |
| 950 } | |
| 951 if (rot) { | |
| 952 // rotate around center | |
| 953 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
| 954 } | |
| 955 // move back | |
| 956 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
957 } |
|
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
958 // scale to screen position and size |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
959 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
|
960 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
|
961 return trafo; |
| 648 | 962 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
963 |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
964 // returns function for load event of scaler img |
| 629 | 965 var scalerImgLoadedHandler = function (data) { |
| 966 var $img = data.$img; | |
| 626 | 967 return function () { |
| 620 | 968 console.debug("img loaded! this=", this, " data=", data); |
| 969 // create Transform from current area and picsize | |
| 668 | 970 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
| 971 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir); | |
| 679 | 972 console.debug("imgTrafo=", data.imgTrafo); |
| 620 | 973 // display marks |
| 626 | 974 renderMarks(data); |
|
688
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
975 // TODO: digilib.showArrows(); // show arrow overlays for zoom navigation |
|
7ef3bc87ab19
cookie control for birdview, works for fullscreen
hertzhaft
parents:
686
diff
changeset
|
976 // TODO: the birdview should adapt to mirror or rotation? |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
977 var $birdImg = data.$birdImg; |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
978 if ($birdImg) { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
979 $birdImg.triggerHandler('load'); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
980 }; |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
981 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
982 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
983 |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
984 // 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
|
985 var birdImgLoadedHandler = function (data) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
986 var $img = data.$birdImg; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
987 return function () { |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
988 console.debug("birdimg loaded! this=", this, " data=", data); |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
989 // 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
|
990 data.birdTrafo = getImgTrafo($img, MAX_ZOOMAREA); |
| 661 | 991 // display red indicator around zoomarea |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
992 renderbirdZoom(data); |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
993 }; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
994 }; |
| 626 | 995 |
| 996 // place marks on the image | |
| 997 var renderMarks = function (data) { | |
| 640 | 998 var $elem = data.$elem; |
| 636 | 999 var marks = data.marks; |
| 642 | 1000 // TODO: clear marks first(?) |
| 626 | 1001 for (var i = 0; i < marks.length; i++) { |
| 1002 var mark = marks[i]; | |
| 636 | 1003 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 1004 var mpos = data.imgTrafo.transform(mark); |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1005 console.debug("renderMarks: mpos=",mpos); |
| 626 | 1006 // create mark |
| 1007 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1008 var $mark = $(html); | |
| 1009 $elem.append($mark); | |
| 647 | 1010 $mark.offset({left : mpos.x, top : mpos.y}); |
| 626 | 1011 } |
| 1012 } | |
| 1013 }; | |
| 648 | 1014 |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
1015 // show zoom area indicator on bird's eye view |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1016 var renderbirdZoom = function (data) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1017 var $birdZoom = data.$birdZoom; |
| 652 | 1018 var zoomArea = data.zoomArea; |
| 1019 var indRect = data.birdTrafo.transform(zoomArea); | |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1020 var coords = { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1021 left : indRect.x-2, // acount for frame width |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1022 top : indRect.y-2, |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1023 width : indRect.width, |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1024 height: indRect.height |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1025 }; |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1026 var normalSize = isFullArea(zoomArea); |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1027 if (data.settings.interactionMode === 'fullscreen') { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1028 // no animation for fullscreen |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1029 if (normalSize) return $birdZoom.hide(); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1030 $birdZoom.width(coords.width); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1031 $birdZoom.height(coords.height); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1032 $birdZoom.offset(coords); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1033 $birdZoom.show(); |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1034 return; |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1035 }; |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1036 // nice animation for embedded mode :-) |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1037 var makeCompleteFunction = function($birdZoom, normalSize) { |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1038 return function() { |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1039 if (normalSize) $birdZoom.hide(); |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1040 }; |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1041 }; |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1042 var opts = { |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1043 'complete' : makeCompleteFunction($birdZoom, normalSize) |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1044 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1045 if (!normalSize && $birdZoom.css('display') === 'none') $birdZoom.show(); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1046 $birdZoom.animate(coords, opts); |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1047 }; |
| 652 | 1048 |
| 640 | 1049 // zooms by the given factor |
| 636 | 1050 var zoomBy = function(data, factor) { |
| 1051 var area = data.zoomArea; | |
| 1052 var newarea = area.copy(); | |
| 1053 // scale | |
| 1054 newarea.width /= factor; | |
| 1055 newarea.height /= factor; | |
| 1056 // and recenter | |
| 1057 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1058 newarea.y -= 0.5 * (newarea.height - area.height); | |
| 1059 newarea = MAX_ZOOMAREA.fit(newarea); | |
| 1060 data.zoomArea = newarea; | |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1061 redisplay(data); |
| 636 | 1062 }; |
| 1063 | |
| 640 | 1064 // add a mark where clicked |
| 1065 var setMark = function (data) { | |
| 642 | 1066 var $scaler = data.$scaler; |
| 640 | 1067 // start event capturing |
| 642 | 1068 $scaler.one('click.digilib', function (evt) { |
| 640 | 1069 // event handler adding a new mark |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1070 var mpos = geom.position(evt); |
| 640 | 1071 var pos = data.imgTrafo.invtransform(mpos); |
| 1072 data.marks.push(pos); | |
| 1073 redisplay(data); | |
| 642 | 1074 return false; // do we even get here? |
| 640 | 1075 }); |
| 1076 }; | |
| 661 | 1077 |
| 647 | 1078 var zoomArea = function(data) { |
| 1079 $elem = data.$elem; | |
| 1080 $scaler = data.$scaler; | |
| 1081 var pt1, pt2; | |
| 1082 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1083 $elem.append($zoomDiv); | |
| 661 | 1084 $zoomDiv.css(data.settings.zoomrectStyle); |
| 647 | 1085 var picRect = geom.rectangle($scaler); |
| 1086 // FIX ME: is there a way to query the border width from CSS info? | |
| 1087 // rect.x -= 2; // account for overlay borders | |
| 1088 // rect.y -= 2; | |
| 1089 | |
| 1090 var zoomStart = function (evt) { | |
| 1091 pt1 = geom.position(evt); | |
| 1092 // setup and show zoom div | |
| 1093 //moveElement(zoomdiv, Rectangle(pt1.x, pt1.y, 0, 0)); | |
| 1094 $zoomDiv.offset({left : pt1.x, top : pt1.y}); | |
| 661 | 1095 $zoomDiv.width(0).height(0); |
| 647 | 1096 $zoomDiv.show(); |
| 1097 // register events | |
| 1098 $elem.bind("mousemove.digilib", zoomMove); | |
| 1099 $elem.bind("mouseup.digilib", zoomEnd); | |
| 1100 return false; | |
| 1101 }; | |
| 661 | 1102 |
| 647 | 1103 // mouseup handler: end moving |
| 1104 var zoomEnd = function (evt) { | |
| 1105 pt2 = geom.position(evt); | |
| 1106 // assume a click and continue if the area is too small | |
| 1107 var clickRect = geom.rectangle(pt1, pt2); | |
| 1108 if (clickRect.getArea() <= 5) { | |
| 1109 return false; | |
| 1110 } | |
| 1111 // hide zoom div | |
| 1112 $zoomDiv.remove(); | |
| 1113 // unregister events | |
| 1114 $elem.unbind("mousemove.digilib", zoomMove); | |
| 1115 $elem.unbind("mouseup.digilib", zoomEnd); | |
| 1116 // clip and transform | |
| 1117 clickRect.clipTo(picRect); | |
| 1118 var area = data.imgTrafo.invtransform(clickRect); | |
| 1119 data.zoomArea = area; | |
| 1120 // zoomed is always fit | |
| 1121 data.settings.ws = 1; | |
| 1122 redisplay(data); | |
| 1123 return false; | |
| 1124 }; | |
| 661 | 1125 |
| 647 | 1126 // mouse move handler |
| 1127 var zoomMove = function (evt) { | |
| 1128 pt2 = geom.position(evt); | |
| 1129 var rect = geom.rectangle(pt1, pt2); | |
| 1130 rect.clipTo(picRect); | |
| 1131 // update zoom div | |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1132 rect.adjustDiv($zoomDiv); |
| 647 | 1133 return false; |
| 1134 }; | |
| 661 | 1135 |
| 647 | 1136 // bind start zoom handler |
| 1137 $scaler.one('mousedown.digilib', zoomStart); | |
| 1138 }; | |
| 640 | 1139 |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1140 var birdZoom = function(data) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1141 var $birdImg = data.$birdImg; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1142 var $birdZoom = data.$birdZoom; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1143 var startPos, newRect, birdImgRect, birdZoomRect; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1144 |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1145 var birdZoomMove = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1146 // mousemove handler: drag |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1147 var pos = geom.position(evt); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1148 var dx = pos.x - startPos.x; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1149 var dy = pos.y - startPos.y; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1150 // move birdZoom div, keeping size |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1151 newRect = geom.rectangle( |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1152 birdZoomRect.x + dx, |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1153 birdZoomRect.y + dy, |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1154 birdZoomRect.width, |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1155 birdZoomRect.height |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1156 ); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1157 // stay within birdimage |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1158 newRect.stayInside(birdImgRect); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1159 $birdZoom.offset({left : newRect.x, top : newRect.y}); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1160 // $birdZoom.show(); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1161 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1162 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1163 |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1164 var birdZoomEndDrag = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1165 // mouseup handler: reload page |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1166 var settings = data.settings; |
| 673 | 1167 $(document).unbind("mousemove.digilib", birdZoomMove); |
| 1168 $(document).unbind("mouseup.digilib", birdZoomEndDrag); | |
| 1169 $birdZoom.unbind("mousemove.digilib", birdZoomMove); | |
| 1170 $birdZoom.unbind("mouseup.digilib", birdZoomEndDrag); | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1171 if (newRect == null) { // no movement happened |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1172 startPos = birdZoomRect.getCenter(); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1173 birdZoomMove(evt); // set center to click position |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1174 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1175 if (data.zoomArea) { |
| 672 | 1176 // should always be true |
| 1177 var x = cropFloat((newRect.x - birdImgRect.x + 2) / birdImgRect.width); | |
| 1178 var y = cropFloat((newRect.y - birdImgRect.y + 2) / birdImgRect.height); | |
| 1179 data.zoomArea.x = x; | |
| 1180 data.zoomArea.y = y; | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1181 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1182 settings.ws = 1; // zoomed is always fit |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1183 redisplay(data); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1184 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1185 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1186 |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1187 var birdZoomStartDrag = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1188 // mousedown handler: start dragging bird zoom to a new position |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1189 startPos = geom.position(evt); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1190 birdImgRect = geom.rectangle($birdImg); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1191 birdZoomRect = geom.rectangle($birdZoom); |
| 673 | 1192 $(document).bind("mousemove.digilib", birdZoomMove); |
| 1193 $(document).bind("mouseup.digilib", birdZoomEndDrag); | |
| 1194 $birdZoom.bind("mousemove.digilib", birdZoomMove); | |
| 1195 $birdZoom.bind("mouseup.digilib", birdZoomEndDrag); | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1196 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1197 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1198 |
| 674 | 1199 $birdImg.bind("mousedown.digilib", birdZoomStartDrag); |
| 1200 $birdZoom.bind("mousedown.digilib", birdZoomStartDrag); | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1201 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1202 |
| 643 | 1203 // sets a key to a value (relative values with +/- if relative=true) |
| 1204 var setNumValue = function(settings, key, value) { | |
| 1205 if (isNumber(value)) return settings[key] = value; | |
| 1206 var sign = value.substring(0,1); | |
| 1207 if (sign === '+' || sign === '-') { | |
| 1208 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1209 // this isn't perfect but still... |
| 643 | 1210 settings[key] = 0; |
| 1211 } | |
| 1212 settings[key] = parseFloat(settings[key]) + parseFloat(value); | |
| 1213 } else { | |
| 1214 settings[key] = value; | |
| 1215 } | |
| 1216 return settings[key]; | |
| 1217 }; | |
| 648 | 1218 |
| 1219 // auxiliary function (from old dllib.js) | |
| 652 | 1220 isFullArea = function(area) { |
| 1221 return (area.width === 1.0) && (area.height === 1.0); | |
| 648 | 1222 }; |
| 1223 | |
| 634 | 1224 // auxiliary function (from Douglas Crockford, A.10) |
| 1225 var isNumber = function isNumber(value) { | |
| 1226 return typeof value === 'number' && isFinite(value); | |
| 1227 }; | |
| 648 | 1228 |
| 624 | 1229 // auxiliary function to crop senseless precision |
| 1230 var cropFloat = function (x) { | |
| 630 | 1231 return parseInt(10000 * x, 10) / 10000; |
| 624 | 1232 }; |
| 648 | 1233 |
| 685 | 1234 // fallback for console.log calls |
| 1235 if (customConsole) { | |
| 1236 var logFunction = function(type) { | |
| 1237 return function(){ | |
| 1238 var $debug = $('#debug'); // debug div | |
| 1239 if (!$debug) return; | |
| 1240 var args = Array.prototype.slice.call(arguments); | |
| 1241 var argtext = args.join(' '); | |
| 1242 var $logDiv = $('<div/>'); | |
| 1243 $logDiv.addClass(type); | |
| 1244 $logDiv.text(argtext); | |
| 1245 $debug.append($logDiv); | |
| 1246 }; | |
| 1247 }; | |
| 1248 console.log = logFunction('_log'); | |
| 1249 console.debug = logFunction('_debug'); | |
| 1250 console.error = logFunction('_error'); | |
| 1251 }; | |
| 1252 | |
| 598 | 1253 // hook plugin into jquery |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1254 $.fn.digilib = function(action) { |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1255 if (actions[action]) { |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1256 // 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
|
1257 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1258 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1259 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1260 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1261 return actions[action].apply(this, args); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1262 } else if (typeof(action) === 'object' || !action) { |
| 627 | 1263 // call init on this |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1264 return actions.init.apply(this, arguments); |
| 598 | 1265 } else { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1266 $.error( 'action ' + action + ' does not exist on jQuery.digilib' ); |
| 598 | 1267 } |
| 1268 }; | |
| 685 | 1269 |
| 597 | 1270 })(jQuery); |