Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 702:20b77008045a jquery
first step for new fullscreen icons
| author | hertzhaft |
|---|---|
| date | Fri, 28 Jan 2011 00:19:15 +0100 |
| parents | a343240a6f7c |
| children | 0d49c33646da |
| rev | line source |
|---|---|
| 604 | 1 /* |
| 2 * digilib jQuery plugin | |
| 3 * | |
| 4 */ | |
| 655 | 5 |
| 636 | 6 // fallback for console.log calls |
| 7 if (typeof(console) === 'undefined') { | |
| 8 var console = { | |
| 692 | 9 log : function(){}, |
| 10 debug : function(){}, | |
| 11 error : function(){} | |
| 12 }; | |
| 13 var customConsole = true; | |
| 14 }; | |
| 604 | 15 |
| 16 (function($) { | |
|
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17 var buttons = { |
| 610 | 18 reference : { |
| 689 | 19 onclick : "reference", |
| 610 | 20 tooltip : "get a reference URL", |
| 21 img : "reference.png" | |
| 22 }, | |
| 23 zoomin : { | |
| 643 | 24 onclick : ["zoomBy", 1.4], |
| 610 | 25 tooltip : "zoom in", |
| 26 img : "zoom-in.png" | |
| 27 }, | |
| 28 zoomout : { | |
| 643 | 29 onclick : ["zoomBy", 0.7], |
| 610 | 30 tooltip : "zoom out", |
| 31 img : "zoom-out.png" | |
| 32 }, | |
| 33 zoomarea : { | |
| 654 | 34 onclick : "zoomArea", |
| 610 | 35 tooltip : "zoom area", |
| 36 img : "zoom-area.png" | |
| 37 }, | |
| 38 zoomfull : { | |
| 650 | 39 onclick : "zoomFull", |
| 610 | 40 tooltip : "view the whole image", |
| 41 img : "zoom-full.png" | |
| 42 }, | |
| 43 pagewidth : { | |
| 650 | 44 onclick : ["zoomFull", "width"], |
| 610 | 45 tooltip : "page width", |
| 46 img : "pagewidth.png" | |
| 47 }, | |
| 48 back : { | |
| 623 | 49 onclick : ["gotoPage", "-1"], |
| 610 | 50 tooltip : "goto previous image", |
| 51 img : "back.png" | |
| 52 }, | |
| 53 fwd : { | |
| 623 | 54 onclick : ["gotoPage", "+1"], |
| 610 | 55 tooltip : "goto next image", |
| 56 img : "fwd.png" | |
| 57 }, | |
| 58 page : { | |
| 59 onclick : "javascript:gotoPageWin()", | |
| 60 tooltip : "specify image", | |
| 61 img : "page.png" | |
| 62 }, | |
| 63 bird : { | |
| 635 | 64 onclick : "showBirdDiv", |
| 610 | 65 tooltip : "show bird's eye view", |
| 66 img : "birds-eye.png" | |
| 67 }, | |
| 68 help : { | |
| 635 | 69 onclick : "showAboutDiv", |
| 610 | 70 tooltip : "about Digilib", |
| 71 img : "help.png" | |
| 72 }, | |
| 73 reset : { | |
| 688 | 74 onclick : "reset", |
| 610 | 75 tooltip : "reset image", |
| 76 img : "reset.png" | |
| 77 }, | |
| 78 mark : { | |
| 647 | 79 onclick : "setMark", |
| 610 | 80 tooltip : "set a mark", |
| 81 img : "mark.png" | |
| 82 }, | |
| 83 delmark : { | |
| 650 | 84 onclick : "removeMark", |
| 610 | 85 tooltip : "delete the last mark", |
| 86 img : "delmark.png" | |
| 87 }, | |
| 88 hmir : { | |
| 661 | 89 onclick : ["mirror", "h"], |
| 610 | 90 tooltip : "mirror horizontally", |
| 91 img : "mirror-horizontal.png" | |
| 92 }, | |
| 93 vmir : { | |
| 661 | 94 onclick : ["mirror", "v"], |
| 610 | 95 tooltip : "mirror vertically", |
| 96 img : "mirror-vertical.png" | |
| 97 }, | |
| 98 rot : { | |
| 663 | 99 onclick : "rotate", |
| 610 | 100 tooltip : "rotate image", |
| 101 img : "rotate.png" | |
| 102 }, | |
| 103 brgt : { | |
| 663 | 104 onclick : "brightness", |
| 610 | 105 tooltip : "set brightness", |
| 106 img : "brightness.png" | |
| 107 }, | |
| 108 cont : { | |
| 663 | 109 onclick : "contrast", |
| 610 | 110 tooltip : "set contrast", |
| 111 img : "contrast.png" | |
| 112 }, | |
| 113 rgb : { | |
| 114 onclick : "javascript:setParamWin('rgb', '...')", | |
| 115 tooltip : "set rgb values", | |
| 116 img : "rgb.png" | |
| 117 }, | |
| 118 quality : { | |
| 119 onclick : "javascript:setQualityWin('Quality (0..2)')", | |
| 120 tooltip : "set image quality", | |
| 121 img : "quality.png" | |
| 122 }, | |
| 123 size : { | |
| 124 onclick : "javascript:toggleSizeMenu()", | |
| 125 tooltip : "set page size", | |
| 126 img : "size.png" | |
| 127 }, | |
| 128 calibrationx : { | |
| 129 onclick : "javascript:calibrate('x')", | |
| 130 tooltip : "calibrate screen x-ratio", | |
| 131 img : "calibration-x.png" | |
| 132 }, | |
| 133 scale : { | |
| 134 onclick : "javascript:toggleScaleMenu()", | |
| 135 tooltip : "change image scale", | |
| 136 img : "original-size.png" | |
| 137 }, | |
| 699 | 138 toggleoptions : { |
| 139 onclick : "morebuttons", | |
| 140 tooltip : "more options", | |
| 141 img : "options.png" | |
| 142 }, | |
| 690 | 143 moreoptions : { |
| 144 onclick : ["morebuttons", "+1"], | |
| 145 tooltip : "more options", | |
| 146 img : "options.png" | |
| 147 }, | |
| 148 lessoptions : { | |
| 149 onclick : ["morebuttons", "-1"], | |
| 150 tooltip : "less options", | |
| 610 | 151 img : "options.png" |
| 152 }, | |
| 153 SEP : { | |
| 154 img : "sep.png" | |
| 155 } | |
| 156 }; | |
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157 |
| 605 | 158 var defaults = { |
| 616 | 159 // version of this script |
| 635 | 160 'version' : 'jquery.digilib.js 0.9', |
| 616 | 161 // logo url |
| 162 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 635 | 163 // homepage url (behind logo) |
| 164 'homeUrl' : 'http://digilib.berlios.de', | |
| 610 | 165 // base URL to Scaler servlet |
| 652 | 166 'scalerBaseUrl' : null, |
| 610 | 167 // list of Scaler parameters |
| 627 | 168 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 169 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 170 // Scaler parameter defaults | |
| 643 | 171 'pn' : 1, |
| 627 | 172 'ww' : 1.0, |
| 173 'wh' : 1.0, | |
| 174 'wx' : 0.0, | |
| 175 'wy' : 0.0, | |
| 176 'ws' : 1.0, | |
| 643 | 177 'mo' : '', |
| 178 'rot' : 0, | |
| 179 'cont' : 0, | |
| 180 'brgt' : 0, | |
| 181 'rgbm' : '0/0/0', | |
| 182 'rgba' : '0/0/0', | |
| 183 'ddpi' : null, | |
| 184 'ddpix' : null, | |
| 185 'ddpiy' : null, | |
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186 // list of digilib parameters |
| 650 | 187 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','mk','clop'], |
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188 // digilib parameter defaults |
| 643 | 189 'mk' : '', |
| 650 | 190 'clop' : '', |
| 643 | 191 // mode of operation: |
| 192 // fullscreen = take parameters from page URL, keep state in page URL | |
| 193 // embedded = take parameters from Javascript options, keep state inside object | |
| 610 | 194 'interactionMode' : 'fullscreen', |
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195 // buttons |
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196 'buttons' : buttons, |
| 668 | 197 // defaults for digilib buttons |
| 665 | 198 'buttonSettings' : { |
| 199 'fullscreen' : { | |
| 668 | 200 // path to button images (must end with a slash) |
| 665 | 201 'imagePath' : 'img/fullscreen/', |
| 699 | 202 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","SEP","help","reset","toggleoptions"], |
| 203 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","SEP","toggleoptions"], | |
| 682 | 204 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 205 }, |
| 206 'embedded' : { | |
| 207 'imagePath' : 'img/embedded/16/', | |
| 699 | 208 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","back","fwd","page","bird","SEP","help","reset","toggleoptions"], |
| 209 'specialSet' : ["hmir","vmir","rot","brgt","cont","rgb","quality","size","SEP","toggleoptions"], | |
| 682 | 210 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 211 } |
| 697 | 212 }, |
| 213 // number of visible button groups | |
| 214 'visibleButtonSets' : 1, | |
| 616 | 215 // is birdView shown? |
| 216 'isBirdDivVisible' : false, | |
| 668 | 217 // dimensions of bird's eye div |
| 674 | 218 'birdDivWidth' : 200, |
| 219 'birdDivHeight' : 200, | |
| 668 | 220 // style of the zoom area indicator in the bird's eye div |
| 659 | 221 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, |
| 668 | 222 // style of zoom area "rubber band" |
| 223 'zoomrectStyle' : {'border' : '2px solid #ff0000' }, | |
| 616 | 224 // is the "about" window shown? |
| 225 'isAboutDivVisible' : false | |
| 226 | |
| 610 | 227 }; |
| 655 | 228 |
| 608 | 229 // affine geometry classes |
| 230 var geom = dlGeometry(); | |
| 655 | 231 |
| 643 | 232 var MAX_ZOOMAREA = geom.rectangle(0, 0, 1, 1); |
| 655 | 233 |
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234 var actions = { |
| 668 | 235 // init: digilib initialization |
| 236 init : function(options) { | |
| 237 // settings for this digilib instance are merged from defaults and options | |
| 238 var settings = $.extend({}, defaults, options); | |
| 239 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 240 var queryParams = {}; | |
| 241 if (isFullscreen) { | |
| 242 queryParams = parseQueryParams(); | |
| 243 // check scalerBaseUrl | |
| 244 if (settings.scalerBaseUrl == null) { | |
| 245 // try the host this came from | |
| 246 var h = window.location.host; | |
| 247 if (window.location.host) { | |
| 248 var url = window.location.href; | |
| 249 // assume the page lives in [webapp]/jquery/ | |
| 250 var pos = url.indexOf('jquery/'); | |
| 251 if (pos > 0) { | |
| 252 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 652 | 253 } |
| 254 } | |
| 636 | 255 } |
| 668 | 256 } |
| 257 return this.each(function() { | |
| 258 var $elem = $(this); | |
| 259 var data = $elem.data('digilib'); | |
| 688 | 260 var params, elemSettings; |
| 668 | 261 // if the plugin hasn't been initialized yet |
| 262 if (!data) { | |
| 263 // merge query parameters | |
| 264 if (isFullscreen) { | |
| 688 | 265 params = queryParams; |
| 668 | 266 } else { |
| 688 | 267 params = parseImgParams($elem); |
| 268 }; | |
| 668 | 269 // store $(this) element in the settings |
| 688 | 270 elemSettings = $.extend({}, settings, params); |
| 697 | 271 data = { |
| 668 | 272 $elem : $elem, |
| 273 settings : elemSettings, | |
| 688 | 274 queryParams : params |
| 668 | 275 }; |
| 276 // store in data element | |
| 277 $elem.data('digilib', data); | |
| 278 } | |
| 279 unpackParams(data); | |
| 682 | 280 // create HTML structure for scaler |
| 668 | 281 setupScalerDiv(data); |
| 697 | 282 // add buttons |
| 283 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
| 284 showButtons(data, true, i); | |
| 285 } | |
| 668 | 286 // bird's eye view creation |
| 287 if (elemSettings.isBirdDivVisible) { | |
| 638 | 288 setupBirdDiv(data); |
| 289 } | |
| 668 | 290 // about window creation - TODO: could be deferred? restrict to only one item? |
| 291 setupAboutDiv(data); | |
| 292 }); | |
| 293 }, | |
| 294 | |
| 295 // destroy: clean up digilib | |
| 296 destroy : function(data) { | |
| 297 return this.each(function(){ | |
| 298 var $elem = $(this); | |
| 299 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 300 data.digilib.remove(); | |
| 301 $elem.removeData('digilib'); | |
| 302 }); | |
| 303 }, | |
| 304 | |
| 305 // show or hide the 'about' window | |
| 306 showAboutDiv : function(data, show) { | |
| 307 data.settings.isAboutDivVisible = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); | |
| 308 }, | |
| 655 | 309 |
| 668 | 310 // event handler: toggles the visibility of the bird's eye window |
| 311 showBirdDiv : function (data, show) { | |
| 312 if (data.$birdDiv == null) { | |
| 313 // no bird div -> create | |
| 314 setupBirdDiv(data); | |
| 315 } | |
| 316 data.settings.isBirdDivVisible = showDiv(data.settings.isBirdDivVisible, data.$birdDiv, show); | |
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317 data.$birdImg.triggerHandler('load'); |
| 668 | 318 }, |
| 319 | |
| 320 // goto given page nr (+/-: relative) | |
| 321 gotoPage : function (data, pageNr) { | |
| 322 var settings = data.settings; | |
| 323 var oldpn = settings.pn; | |
| 324 var pn = setNumValue(settings, "pn", pageNr); | |
| 325 if (pn == null) return false; // nothing happened | |
| 326 if (pn < 1) { | |
| 327 alert("no such page (page number too low)"); | |
| 328 settings.pn = oldpn; | |
| 329 return false; | |
| 330 } | |
| 331 if (settings.pt) { | |
| 332 if (pn > settings.pt) { | |
| 333 alert("no such page (page number too high)"); | |
| 623 | 334 settings.pn = oldpn; |
| 335 return false; | |
| 634 | 336 } |
| 668 | 337 } |
| 338 // reset mk and others(?) | |
| 339 data.marks = []; | |
| 340 data.zoomArea = MAX_ZOOMAREA; | |
| 341 // then reload | |
| 342 redisplay(data); | |
| 343 }, | |
| 654 | 344 |
| 668 | 345 // zoom by a given factor |
| 346 zoomBy : function (data, factor) { | |
| 347 zoomBy(data, factor); | |
| 348 }, | |
| 647 | 349 |
| 668 | 350 // zoom interactively |
| 351 zoomArea : function (data) { | |
| 352 zoomArea(data); | |
| 353 }, | |
| 650 | 354 |
| 668 | 355 // zoom out to full page |
| 356 zoomFull : function (data, mode) { | |
| 357 data.zoomArea = MAX_ZOOMAREA; | |
| 358 if (mode === 'width') { | |
| 359 data.dlOpts.fitwidth = 1; | |
| 360 delete data.dlOpts.fitheight; | |
| 361 } else if (mode === 'height') { | |
| 362 data.dlOpts.fitheight = 1; | |
| 363 delete data.dlOpts.fitwidth; | |
| 364 } else { | |
| 365 delete data.dlOpts.fitwidth; | |
| 366 delete data.dlOpts.fitheight; | |
| 367 } | |
| 368 redisplay(data); | |
| 369 }, | |
| 370 | |
| 371 // set a mark by clicking (or giving a position) | |
| 372 setMark : function (data, mpos) { | |
| 373 if (mpos == null) { | |
| 374 // interactive | |
| 375 setMark(data); | |
| 376 } else { | |
| 377 // use position | |
| 378 data.marks.push(pos); | |
| 663 | 379 redisplay(data); |
| 604 | 380 } |
| 668 | 381 }, |
| 382 | |
| 383 // remove the last mark | |
| 384 removeMark : function (data) { | |
| 385 data.marks.pop(); | |
| 386 redisplay(data); | |
| 387 }, | |
| 388 | |
| 389 // mirror the image | |
| 390 mirror : function (data, mode) { | |
| 391 var flags = data.scalerFlags; | |
| 392 if (mode === 'h') { | |
| 393 if (flags.hmir) { | |
| 394 delete flags.hmir; | |
| 395 } else { | |
| 396 flags.hmir = 1; | |
| 397 } | |
| 398 } else { | |
| 399 if (flags.vmir) { | |
| 400 delete flags.vmir; | |
| 401 } else { | |
| 402 flags.vmir = 1; | |
| 403 } | |
| 404 } | |
| 405 redisplay(data); | |
| 406 }, | |
| 650 | 407 |
| 668 | 408 // rotate the image |
| 409 rotate : function (data, angle) { | |
| 410 var rot = data.settings.rot; | |
| 411 if (angle == null) { | |
| 412 angle = window.prompt("Rotation angle:", rot); | |
| 413 } | |
| 414 data.settings.rot = angle; | |
| 415 redisplay(data); | |
| 416 }, | |
| 417 | |
| 418 // change brightness | |
| 419 brightness : function (data, factor) { | |
| 420 var brgt = data.settings.brgt; | |
| 421 if (factor == null) { | |
| 422 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 423 } | |
| 424 data.settings.brgt = factor; | |
| 425 redisplay(data); | |
| 426 }, | |
| 427 | |
| 428 // change contrast | |
| 429 contrast : function (data, factor) { | |
| 430 var cont = data.settings.cont; | |
| 431 if (factor == null) { | |
| 432 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 433 } | |
| 434 data.settings.cont = factor; | |
| 435 redisplay(data); | |
| 688 | 436 }, |
| 690 | 437 |
| 438 // display more (or less) button sets | |
| 439 morebuttons : function (data, more) { | |
| 696 | 440 var settings = data.settings; |
| 699 | 441 if (more == null) { |
| 442 // toggle more or less | |
| 443 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; | |
| 444 if (settings.visibleButtonSets >= maxbtns) { | |
| 445 more = '-1'; | |
| 446 } else { | |
| 447 more = '+1'; | |
| 448 } | |
| 449 } | |
| 690 | 450 if (more === '-1') { |
| 451 // remove set | |
| 697 | 452 var setIdx = settings.visibleButtonSets - 1; |
| 453 if (showButtons(data, false, setIdx, true)) { | |
| 454 settings.visibleButtonSets--; | |
| 455 } | |
| 690 | 456 } else { |
| 457 // add set | |
| 697 | 458 var setIdx = settings.visibleButtonSets; |
| 459 if (showButtons(data, true, setIdx, true)) { | |
| 460 settings.visibleButtonSets++; | |
| 690 | 461 } |
| 462 } | |
| 691 | 463 }, |
| 688 | 464 |
| 465 reset : function (data) { | |
| 466 var settings = data.settings; | |
| 467 var paramNames = settings.digilibParamNames; | |
| 468 var params = data.queryParams; | |
| 469 resetData(data); | |
| 470 // delete all digilib parameters | |
| 471 for (var i = 0; i < paramNames.length; i++) { | |
| 472 var paramName = paramNames[i]; | |
| 473 delete settings[paramName]; | |
| 474 }; | |
| 475 // fullscreen: restore only fn/pn parameters | |
| 476 if (settings.interactionMode === 'fullscreen') { | |
| 477 settings['fn'] = params.fn; | |
| 478 settings['pn'] = params.pn; | |
| 479 // embedded: restore original parameters | |
| 480 } else { | |
| 481 $.extend(settings, params); | |
| 482 }; | |
| 483 redisplay(data); | |
| 689 | 484 }, |
| 485 | |
| 486 reference : function (data) { | |
| 487 var settings = data.settings; | |
| 488 var url; | |
| 489 if (settings.interactionMode === 'fullscreen') { | |
| 490 url = getDigilibUrl(data); | |
| 491 } else { | |
| 492 url = getScalerUrl(data); | |
| 493 }; | |
| 494 window.prompt("URL reference to the current view", url); | |
| 668 | 495 } |
| 605 | 496 }; |
| 604 | 497 |
| 608 | 498 // returns parameters from page url |
| 607 | 499 var parseQueryParams = function() { |
| 636 | 500 return parseQueryString(window.location.search.slice(1)); |
| 501 }; | |
| 655 | 502 |
| 636 | 503 // returns parameters from embedded img-element |
| 607 | 504 var parseImgParams = function($elem) { |
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505 var src = $elem.find('img').first().attr('src'); |
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506 if (!src) { |
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507 return null; |
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508 } |
| 607 | 509 var pos = src.indexOf('?'); |
| 510 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 511 var scalerUrl = src.substring(0, pos); | |
| 627 | 512 var params = parseQueryString(query); |
| 513 params.scalerBaseUrl = scalerUrl; | |
| 514 return params; | |
| 636 | 515 }; |
| 607 | 516 |
| 608 | 517 // parses query parameter string into parameter object |
| 607 | 518 var parseQueryString = function(query) { |
| 701 | 519 var params = {}; |
| 520 if (query == null) return params; | |
| 607 | 521 var pairs = query.split("&"); |
| 636 | 522 //var keys = []; |
| 607 | 523 for (var i = 0; i < pairs.length; i++) { |
| 524 var pair = pairs[i].split("="); | |
| 525 if (pair.length === 2) { | |
| 627 | 526 params[pair[0]] = pair[1]; |
| 636 | 527 //keys.push(pair[0]); |
| 634 | 528 } |
| 636 | 529 } |
| 627 | 530 return params; |
| 636 | 531 }; |
| 668 | 532 |
| 643 | 533 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 534 var getParamString = function (settings, keys, defaults) { | |
| 615 | 535 var paramString = ''; |
| 650 | 536 var nx = false; |
| 615 | 537 for (i = 0; i < keys.length; ++i) { |
| 538 var key = keys[i]; | |
| 663 | 539 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 540 // first param gets no '&' |
| 650 | 541 if (nx) { |
| 542 paramString += '&'; | |
| 543 } else { | |
| 544 nx = true; | |
| 545 } | |
| 615 | 546 // add parm=val |
| 547 paramString += key + '=' + settings[key]; | |
| 643 | 548 } |
| 615 | 549 } |
| 550 return paramString; | |
| 631 | 551 }; |
| 552 | |
| 636 | 553 // returns URL and query string for Scaler |
| 554 var getScalerUrl = function (data) { | |
| 653 | 555 var settings = data.settings; |
| 652 | 556 if (settings.scalerBaseUrl == null) { |
| 557 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
| 558 } | |
| 665 | 559 packParams(data); |
| 636 | 560 var keys = settings.scalerParamNames; |
| 643 | 561 var queryString = getParamString(settings, keys, defaults); |
| 636 | 562 var url = settings.scalerBaseUrl + '?' + queryString; |
| 563 return url; | |
| 564 }; | |
| 565 | |
| 566 // returns URL and query string for current digilib | |
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567 var getDigilibUrl = function (data) { |
| 643 | 568 packParams(data); |
| 636 | 569 var settings = data.settings; |
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570 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 636 | 571 var url = window.location.toString(); |
| 572 var pos = url.indexOf('?'); | |
| 573 var baseUrl = url.substring(0, pos); | |
| 574 var newurl = baseUrl + '?' + queryString; | |
| 575 return newurl; | |
| 576 }; | |
| 577 | |
| 655 | 578 // processes some parameters into objects and stuff |
| 631 | 579 var unpackParams = function (data) { |
| 580 var settings = data.settings; | |
| 636 | 581 // zoom area |
| 631 | 582 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 583 data.zoomArea = zoomArea; |
| 636 | 584 // marks |
| 631 | 585 var marks = []; |
| 650 | 586 if (settings.mk) { |
| 587 var mk = settings.mk; | |
| 588 if (mk.indexOf(";") >= 0) { | |
| 589 var pa = mk.split(";"); // old format with ";" | |
| 590 } else { | |
| 591 var pa = mk.split(","); // new format | |
| 592 } | |
| 593 for (var i = 0; i < pa.length ; i++) { | |
| 594 var pos = pa[i].split("/"); | |
| 595 if (pos.length > 1) { | |
| 596 marks.push(geom.position(pos[0], pos[1])); | |
| 597 } | |
| 633 | 598 } |
| 631 | 599 } |
| 643 | 600 data.marks = marks; |
| 650 | 601 // mo (Scaler flags) |
| 602 var flags = {}; | |
| 603 if (settings.mo) { | |
| 604 var pa = settings.mo.split(","); | |
| 605 for (var i = 0; i < pa.length ; i++) { | |
| 606 flags[pa[i]] = pa[i]; | |
| 607 } | |
| 608 } | |
| 609 data.scalerFlags = flags; | |
| 610 // clop (digilib options) | |
| 611 var opts = {}; | |
| 701 | 612 if (jQuery.cookie) { |
| 613 // read from cookie | |
| 614 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 615 var cp = jQuery.cookie(ck); | |
| 616 console.debug("get cookie=", ck, " value=", cp); | |
| 617 // in query string format | |
| 618 opts = parseQueryString(cp); | |
| 619 } | |
| 620 /* read from parameter clop | |
| 621 * if (settings.clop) { | |
| 650 | 622 var pa = settings.clop.split(","); |
| 623 for (var i = 0; i < pa.length ; i++) { | |
| 624 opts[pa[i]] = pa[i]; | |
| 625 } | |
| 701 | 626 } */ |
| 650 | 627 data.dlOpts = opts; |
| 661 | 628 // birdview option |
| 701 | 629 if (opts.birdview != null) { |
| 630 settings.isBirdDivVisible = opts.birdview; | |
| 631 } | |
| 632 // visible button sets | |
| 633 if (opts.buttons != null) { | |
| 634 settings.visibleButtonSets = opts.buttons; | |
| 635 } | |
| 655 | 636 }; |
| 637 | |
| 631 | 638 // put objects back into parameters |
| 639 var packParams = function (data) { | |
| 640 var settings = data.settings; | |
| 636 | 641 // zoom area |
| 643 | 642 if (data.zoomArea) { |
| 647 | 643 settings.wx = cropFloat(data.zoomArea.x); |
| 644 settings.wy = cropFloat(data.zoomArea.y); | |
| 645 settings.ww = cropFloat(data.zoomArea.width); | |
| 646 settings.wh = cropFloat(data.zoomArea.height); | |
| 631 | 647 } |
| 636 | 648 // marks |
| 643 | 649 if (data.marks) { |
| 650 | 650 settings.mk = ''; |
| 643 | 651 for (var i = 0; i < data.marks.length; i++) { |
| 650 | 652 if (i) { |
| 653 settings.mk += ','; | |
| 654 } | |
| 655 settings.mk += cropFloat(data.marks[i].x).toString() + '/' + cropFloat(data.marks[i].y).toString(); | |
| 631 | 656 } |
| 650 | 657 } |
| 658 // Scaler flags | |
| 659 if (data.scalerFlags) { | |
| 660 var mo = ''; | |
| 661 for (var f in data.scalerFlags) { | |
| 662 if (mo) { | |
| 663 mo += ','; | |
| 664 } | |
| 665 mo += f; | |
| 666 } | |
| 667 settings.mo = mo; | |
| 668 } | |
| 701 | 669 // save digilib settings in options |
| 670 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 671 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 688 | 672 |
| 701 | 673 // save digilib options in cookie |
| 650 | 674 if (data.dlOpts) { |
| 675 var clop = ''; | |
| 676 for (var o in data.dlOpts) { | |
| 677 if (clop) { | |
| 701 | 678 clop += '&'; |
| 679 } | |
| 680 clop += o + '=' + data.dlOpts[o]; | |
| 681 } | |
| 682 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 683 console.debug("set cookie=", ck, " value=", clop); | |
| 684 jQuery.cookie(ck, clop); | |
| 685 }; | |
| 686 /* store in parameter clop | |
| 687 * if (data.dlOpts) { | |
| 688 var clop = ''; | |
| 689 for (var o in data.dlOpts) { | |
| 690 if (clop) { | |
| 650 | 691 clop += ','; |
| 692 } | |
| 693 clop += o; | |
| 694 } | |
| 695 settings.clop = clop; | |
| 701 | 696 } */ |
| 631 | 697 }; |
| 655 | 698 |
| 688 | 699 // clear digilib data for reset |
| 700 var resetData = function (data) { | |
| 701 if (data.zoomArea) delete data.zoomArea; | |
| 702 if (data.marks) delete data.marks; | |
| 703 if (data.scalerFlags) delete data.scalerFlags; | |
| 704 if (data.dlOpts) delete data.dlOpts; | |
| 705 }; | |
| 706 | |
| 622 | 707 // (re)load the img from a new scaler URL |
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708 var redisplay = function (data) { |
| 636 | 709 var settings = data.settings; |
| 710 if (settings.interactionMode === 'fullscreen') { | |
| 711 // update location.href (browser URL) in fullscreen mode | |
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712 var url = getDigilibUrl(data); |
| 636 | 713 var history = window.history; |
| 714 if (typeof(history.pushState) === 'function') { | |
| 715 console.debug("we could modify history, but we don't..."); | |
| 716 } | |
| 717 window.location = url; | |
| 718 } else { | |
| 719 // embedded mode -- just change img src | |
| 720 var url = getScalerUrl(data); | |
| 721 data.$img.attr('src', url); | |
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722 // and update bird's eye view |
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723 //if (settings.isBirdDivVisible) { |
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724 // renderBirdZoom(data); |
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725 //} |
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726 }; |
| 622 | 727 }; |
| 728 | |
| 662 | 729 // returns maximum size for scaler img in fullscreen mode |
| 730 var getFullscreenImgSize = function($elem) { | |
| 731 var $win = $(window); | |
| 732 var winH = $win.height(); | |
| 733 var winW = $win.width(); | |
| 734 // TODO: account for borders? | |
| 735 return geom.size(winW, winH); | |
| 736 }; | |
| 737 | |
| 608 | 738 // creates HTML structure for digilib in elem |
| 627 | 739 var setupScalerDiv = function (data) { |
| 740 var settings = data.settings; | |
| 647 | 741 var $elem = data.$elem; |
| 686 | 742 var $img, scalerUrl; |
| 743 // fullscreen | |
| 608 | 744 if (settings.interactionMode === 'fullscreen') { |
| 609 | 745 var imgSize = getFullscreenImgSize($elem); |
| 650 | 746 // fitwidth/height omits destination height/width |
| 747 if (data.dlOpts['fitheight'] == null) { | |
| 748 settings.dw = imgSize.width; | |
| 686 | 749 }; |
| 650 | 750 if (data.dlOpts['fitwidth'] == null) { |
| 751 settings.dh = imgSize.height; | |
| 686 | 752 }; |
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753 $img = $('<img/>'); |
| 686 | 754 scalerUrl = getScalerUrl(data); |
| 755 // embedded mode -- try to keep img tag | |
| 609 | 756 } else { |
| 623 | 757 $img = $elem.find('img'); |
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758 if ($img.length > 0) { |
| 686 | 759 console.debug("img detach:", $img); |
| 760 scalerUrl = $img.attr('src'); | |
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761 $img.detach(); |
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762 } else { |
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763 $img = $('<img/>'); |
| 686 | 764 scalerUrl = getScalerUrl(data); |
| 765 }; | |
| 608 | 766 } |
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767 // create new html |
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768 $elem.empty(); // TODO: should we keep stuff for customization? |
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769 var $scaler = $('<div class="scaler"/>'); |
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770 $elem.append($scaler); |
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771 $scaler.append($img); |
| 622 | 772 $img.addClass('pic'); |
| 649 | 773 data.$scaler = $scaler; |
| 636 | 774 data.$img = $img; |
| 687 | 775 // setup image load handler before setting the src attribute (IE bug) |
| 776 $img.load(scalerImgLoadedHandler(data)); | |
| 777 $img.attr('src', scalerUrl); | |
| 608 | 778 }; |
| 615 | 779 |
| 610 | 780 // creates HTML structure for buttons in elem |
| 697 | 781 var createButtons = function (data, buttonSetIdx) { |
| 647 | 782 var $elem = data.$elem; |
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783 var settings = data.settings; |
| 665 | 784 var mode = settings.interactionMode; |
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785 var buttonSettings = settings.buttonSettings[mode]; |
| 682 | 786 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 690 | 787 if (buttonGroup == null) { |
| 788 // no buttons here | |
| 789 return; | |
| 790 } | |
| 791 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 682 | 792 var buttonNames = buttonSettings[buttonGroup]; |
| 793 for (var i = 0; i < buttonNames.length; i++) { | |
| 794 var buttonName = buttonNames[i]; | |
| 795 var buttonConfig = settings.buttons[buttonName]; | |
| 665 | 796 // construct the button html |
| 797 var $button = $('<div class="button"></div>'); | |
| 798 var $a = $('<a/>'); | |
| 799 var $img = $('<img class="button"/>'); | |
| 800 $buttonsDiv.append($button); | |
| 801 $button.append($a); | |
| 802 $a.append($img); | |
| 803 // add attributes and bindings | |
| 804 $button.attr('title', buttonConfig.tooltip); | |
| 682 | 805 $button.addClass('button-' + buttonName); |
| 665 | 806 // create handler for the buttons |
| 807 $a.bind('click.digilib', (function () { | |
| 808 // we create a new closure to capture the value of action | |
| 809 var action = buttonConfig.onclick; | |
| 810 if ($.isArray(action)) { | |
| 811 // the handler function calls digilib with action and parameters | |
| 812 return function (evt) { | |
| 813 console.debug('click action=', action, ' evt=', evt); | |
| 814 $elem.digilib.apply($elem, action); | |
| 815 return false; | |
| 816 }; | |
| 817 } else { | |
| 818 // the handler function calls digilib with action | |
| 819 return function (evt) { | |
| 820 console.debug('click action=', action, ' evt=', evt); | |
| 821 $elem.digilib(action); | |
| 822 return false; | |
| 823 }; | |
| 824 } | |
| 825 })()); | |
| 826 $img.attr('src', buttonSettings.imagePath + buttonConfig.img); | |
| 690 | 827 } |
| 662 | 828 // make buttons div scroll if too large for window |
| 829 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 830 $buttonsDiv.css('position', 'absolute'); | |
| 831 } | |
| 697 | 832 // buttons hidden at first |
| 833 $buttonsDiv.hide(); | |
| 834 $elem.append($buttonsDiv); | |
| 682 | 835 if (data.$buttonSets == null) { |
| 697 | 836 // first button set |
| 682 | 837 data.$buttonSets = [$buttonsDiv]; |
| 838 } else { | |
| 690 | 839 $elem.append($buttonsDiv); |
| 682 | 840 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 841 } | |
| 612 | 842 return $buttonsDiv; |
| 610 | 843 }; |
| 615 | 844 |
| 845 // creates HTML structure for the bird's eye view in elem | |
| 638 | 846 var setupBirdDiv = function (data) { |
| 647 | 847 var $elem = data.$elem; |
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848 var settings = data.settings; |
| 615 | 849 // use only the relevant parameters |
| 850 var keys = ['fn','pn','dw','dh']; | |
| 674 | 851 var birdDivOptions = { |
| 852 dw : settings.birdDivWidth, | |
| 853 dh : settings.birdDivHeight | |
| 854 }; | |
| 855 var birdSettings = $.extend({}, settings, birdDivOptions); | |
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856 var birdUrl = settings.scalerBaseUrl + '?' + getParamString(birdSettings, keys); |
| 615 | 857 // the bird's eye div |
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858 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 615 | 859 // the detail indicator frame |
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860 var $birdZoom = $('<div class="birdZoom" style="display:none; position:absolute; background-color:transparent;"/>'); |
| 615 | 861 // the small image |
| 862 var $birdImg = $('<img class="birdimg"/>'); | |
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863 $elem.append($birdDiv); |
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864 $birdDiv.append($birdZoom); |
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865 $birdDiv.append($birdImg); |
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866 $birdZoom.css(data.settings.birdIndicatorStyle); |
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867 data.$birdDiv = $birdDiv; |
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868 data.$birdZoom = $birdZoom; |
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869 data.$birdImg = $birdImg; |
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870 $birdImg.load(birdImgLoadedHandler(data)); |
| 615 | 871 $birdImg.attr('src', birdUrl); |
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872 if (data.settings.isBirdDivVisible) { |
| 687 | 873 $birdDiv.show(); |
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874 }; |
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875 birdZoom(data); |
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876 }; |
| 615 | 877 |
| 625 | 878 // creates HTML structure for the about view in elem |
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879 var setupAboutDiv = function (data) { |
| 647 | 880 var $elem = data.$elem; |
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881 var settings = data.settings; |
| 625 | 882 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 616 | 883 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 884 var $link = $('<a/>'); | |
| 885 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 886 var $content = $('<p/>'); | |
| 887 $elem.append($aboutDiv); | |
| 888 $aboutDiv.append($header); | |
| 889 $aboutDiv.append($link); | |
| 890 $aboutDiv.append($content); | |
| 891 $link.append($logo); | |
| 892 $logo.attr('src', settings.logoUrl); | |
| 635 | 893 $link.attr('href', settings.homeUrl); |
| 616 | 894 $content.text('Version: ' + settings.version); |
| 635 | 895 // click hides |
| 649 | 896 $aboutDiv.bind('click.digilib', function () { |
| 646 | 897 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
| 649 | 898 return false; |
| 899 }); | |
| 635 | 900 data.$aboutDiv = $aboutDiv; |
| 634 | 901 }; |
| 902 | |
| 635 | 903 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 904 var showDiv = function (isVisible, $div, show) { | |
| 645 | 905 if (show == null) { |
| 635 | 906 // toggle visibility |
| 907 isVisible = !isVisible; | |
| 908 } else { | |
| 909 // set visibility | |
| 910 isVisible = show; | |
| 911 } | |
| 912 if (isVisible) { | |
| 913 $div.fadeIn(); | |
| 914 } else { | |
| 915 $div.fadeOut(); | |
| 916 } | |
| 917 return isVisible; | |
| 634 | 918 }; |
| 616 | 919 |
| 697 | 920 // display more (or less) button sets |
| 921 var showButtons = function (data, more, setIdx, animated) { | |
| 922 if (more) { | |
| 923 // add set | |
| 924 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 925 var $set; | |
| 926 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 927 // set exists | |
| 928 $set = data.$buttonSets[setIdx]; | |
| 929 } else { | |
| 930 $set = createButtons(data, setIdx); | |
| 931 } | |
| 932 if ($set == null) return false; | |
| 933 var btnWidth = $set.width(); | |
| 934 // move remaining sets left and show new set | |
| 935 if (animated) { | |
| 936 $otherSets.animate({left : '-='+btnWidth+'px'}, 'fast', | |
| 937 function () {$set.show();}); | |
| 938 } else { | |
| 701 | 939 var oldpos = $otherSets.position(); |
| 940 if (oldpos) { | |
| 941 $otherSets.css({left : oldpos.left-btnWidth+'px'}); | |
| 942 } | |
| 697 | 943 $set.show(); |
| 944 } | |
| 945 } else { | |
| 946 // remove set | |
| 947 var $set = data.$buttonSets[setIdx]; | |
| 948 if ($set == null) return false; | |
| 949 var btnWidth = $set.width(); | |
| 950 // hide last set | |
| 951 $set.hide(); | |
| 952 // take remaining sets and move right | |
| 953 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 954 if (animated) { | |
| 955 $otherSets.animate({left : '+='+btnWidth+'px'}, 'fast'); | |
| 956 } else { | |
| 957 $otherSets.css({left : '+='+btnWidth+'px'}); | |
| 958 } | |
| 959 } | |
| 960 return true; | |
| 961 }; | |
| 962 | |
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963 // create Transform from area and $img |
| 675 | 964 var getImgTrafo = function ($img, area, rot, hmir, vmir) { |
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965 var picrect = geom.rectangle($img); |
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966 var trafo = geom.transform(); |
| 675 | 967 // move zoom area offset to center |
|
658
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|
968 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 969 // scale zoom area size to [1,1] |
|
658
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970 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 971 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 972 if (rot || hmir || vmir) { | |
| 973 // move [0.5,0.5] to center | |
| 974 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 975 if (hmir) { | |
| 976 // mirror about center | |
| 977 trafo.concat(trafo.getMirror('y')); | |
| 978 } | |
| 979 if (vmir) { | |
| 980 // mirror about center | |
| 981 trafo.concat(trafo.getMirror('x')); | |
| 982 } | |
| 983 if (rot) { | |
| 984 // rotate around center | |
| 985 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
| 986 } | |
| 987 // move back | |
| 988 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
664
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|
989 } |
|
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|
990 // scale to screen position and size |
|
658
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991 trafo.concat(trafo.getScale(picrect)); |
|
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992 trafo.concat(trafo.getTranslation(picrect)); |
|
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993 return trafo; |
| 655 | 994 }; |
|
678
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995 |
|
613
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|
996 // returns function for load event of scaler img |
| 636 | 997 var scalerImgLoadedHandler = function (data) { |
| 998 var $img = data.$img; | |
| 633 | 999 return function () { |
| 627 | 1000 console.debug("img loaded! this=", this, " data=", data); |
| 1001 // create Transform from current area and picsize | |
| 675 | 1002 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
| 1003 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir); | |
| 686 | 1004 console.debug("imgTrafo=", data.imgTrafo); |
| 627 | 1005 // display marks |
| 633 | 1006 renderMarks(data); |
|
695
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cookie control for birdview, works for fullscreen
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|
1007 // TODO: digilib.showArrows(); // show arrow overlays for zoom navigation |
|
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1008 // TODO: the birdview should adapt to mirror or rotation? |
|
678
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1009 var $birdImg = data.$birdImg; |
|
670
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1010 if ($birdImg) { |
|
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1011 $birdImg.triggerHandler('load'); |
|
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1012 }; |
|
658
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split bird's view code in two more parts, analog to scaler-img code.
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|
1013 }; |
|
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split bird's view code in two more parts, analog to scaler-img code.
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|
1014 }; |
|
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split bird's view code in two more parts, analog to scaler-img code.
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|
1015 |
|
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1016 // returns function for load event of bird's eye view img |
|
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1017 var birdImgLoadedHandler = function (data) { |
|
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1018 var $img = data.$birdImg; |
|
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1019 return function () { |
|
677
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took renderBirdArea hooks out of scalerImgLoaded into redisplay.
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1020 console.debug("birdimg loaded! this=", this, " data=", data); |
|
658
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1021 // create Transform from current area and picsize |
|
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1022 data.birdTrafo = getImgTrafo($img, MAX_ZOOMAREA); |
| 668 | 1023 // display red indicator around zoomarea |
|
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1024 renderbirdZoom(data); |
|
613
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1025 }; |
|
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1026 }; |
| 633 | 1027 |
| 1028 // place marks on the image | |
| 1029 var renderMarks = function (data) { | |
| 647 | 1030 var $elem = data.$elem; |
| 643 | 1031 var marks = data.marks; |
| 649 | 1032 // TODO: clear marks first(?) |
| 633 | 1033 for (var i = 0; i < marks.length; i++) { |
| 1034 var mark = marks[i]; | |
| 643 | 1035 if (data.zoomArea.containsPosition(mark)) { |
| 633 | 1036 var mpos = data.imgTrafo.transform(mark); |
|
664
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1037 console.debug("renderMarks: mpos=",mpos); |
| 633 | 1038 // create mark |
| 1039 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1040 var $mark = $(html); | |
| 1041 $elem.append($mark); | |
| 654 | 1042 $mark.offset({left : mpos.x, top : mpos.y}); |
| 633 | 1043 } |
| 1044 } | |
| 1045 }; | |
| 655 | 1046 |
|
677
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|
1047 // show zoom area indicator on bird's eye view |
|
678
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1048 var renderbirdZoom = function (data) { |
|
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1049 var $birdZoom = data.$birdZoom; |
| 659 | 1050 var zoomArea = data.zoomArea; |
| 1051 var indRect = data.birdTrafo.transform(zoomArea); | |
|
670
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1052 var coords = { |
|
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1053 left : indRect.x-2, // acount for frame width |
|
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1054 top : indRect.y-2, |
|
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1055 width : indRect.width, |
|
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1056 height: indRect.height |
|
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|
1057 }; |
|
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|
1058 var normalSize = isFullArea(zoomArea); |
|
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1059 if (data.settings.interactionMode === 'fullscreen') { |
|
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1060 // no animation for fullscreen |
|
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1061 if (normalSize) return $birdZoom.hide(); |
|
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1062 $birdZoom.width(coords.width); |
|
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|
1063 $birdZoom.height(coords.height); |
|
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|
1064 $birdZoom.offset(coords); |
|
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|
1065 $birdZoom.show(); |
|
670
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|
1066 return; |
|
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|
1067 }; |
|
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|
1068 // nice animation for embedded mode :-) |
|
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|
1069 var makeCompleteFunction = function($birdZoom, normalSize) { |
|
670
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|
1070 return function() { |
|
678
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|
1071 if (normalSize) $birdZoom.hide(); |
|
672
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diff
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|
1072 }; |
|
670
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|
1073 }; |
|
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diff
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|
1074 var opts = { |
|
678
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|
1075 'complete' : makeCompleteFunction($birdZoom, normalSize) |
|
670
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|
1076 }; |
|
678
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|
1077 if (!normalSize && $birdZoom.css('display') === 'none') $birdZoom.show(); |
|
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|
1078 $birdZoom.animate(coords, opts); |
|
664
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|
1079 }; |
| 659 | 1080 |
| 647 | 1081 // zooms by the given factor |
| 643 | 1082 var zoomBy = function(data, factor) { |
| 1083 var area = data.zoomArea; | |
| 1084 var newarea = area.copy(); | |
| 1085 // scale | |
| 1086 newarea.width /= factor; | |
| 1087 newarea.height /= factor; | |
| 1088 // and recenter | |
| 1089 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1090 newarea.y -= 0.5 * (newarea.height - area.height); | |
| 1091 newarea = MAX_ZOOMAREA.fit(newarea); | |
| 1092 data.zoomArea = newarea; | |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1093 redisplay(data); |
| 643 | 1094 }; |
| 1095 | |
| 647 | 1096 // add a mark where clicked |
| 1097 var setMark = function (data) { | |
| 649 | 1098 var $scaler = data.$scaler; |
| 647 | 1099 // start event capturing |
| 649 | 1100 $scaler.one('click.digilib', function (evt) { |
| 647 | 1101 // event handler adding a new mark |
|
672
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diff
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|
1102 var mpos = geom.position(evt); |
| 647 | 1103 var pos = data.imgTrafo.invtransform(mpos); |
| 1104 data.marks.push(pos); | |
| 1105 redisplay(data); | |
| 649 | 1106 return false; // do we even get here? |
| 647 | 1107 }); |
| 1108 }; | |
| 668 | 1109 |
| 654 | 1110 var zoomArea = function(data) { |
| 1111 $elem = data.$elem; | |
| 1112 $scaler = data.$scaler; | |
| 1113 var pt1, pt2; | |
| 1114 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1115 $elem.append($zoomDiv); | |
| 668 | 1116 $zoomDiv.css(data.settings.zoomrectStyle); |
| 654 | 1117 var picRect = geom.rectangle($scaler); |
| 1118 // FIX ME: is there a way to query the border width from CSS info? | |
| 1119 // rect.x -= 2; // account for overlay borders | |
| 1120 // rect.y -= 2; | |
| 1121 | |
| 1122 var zoomStart = function (evt) { | |
| 1123 pt1 = geom.position(evt); | |
| 1124 // setup and show zoom div | |
| 1125 //moveElement(zoomdiv, Rectangle(pt1.x, pt1.y, 0, 0)); | |
| 1126 $zoomDiv.offset({left : pt1.x, top : pt1.y}); | |
| 668 | 1127 $zoomDiv.width(0).height(0); |
| 654 | 1128 $zoomDiv.show(); |
| 1129 // register events | |
| 1130 $elem.bind("mousemove.digilib", zoomMove); | |
| 1131 $elem.bind("mouseup.digilib", zoomEnd); | |
| 1132 return false; | |
| 1133 }; | |
| 668 | 1134 |
| 654 | 1135 // mouseup handler: end moving |
| 1136 var zoomEnd = function (evt) { | |
| 1137 pt2 = geom.position(evt); | |
| 1138 // assume a click and continue if the area is too small | |
| 1139 var clickRect = geom.rectangle(pt1, pt2); | |
| 1140 if (clickRect.getArea() <= 5) { | |
| 1141 return false; | |
| 1142 } | |
| 1143 // hide zoom div | |
| 1144 $zoomDiv.remove(); | |
| 1145 // unregister events | |
| 1146 $elem.unbind("mousemove.digilib", zoomMove); | |
| 1147 $elem.unbind("mouseup.digilib", zoomEnd); | |
| 1148 // clip and transform | |
| 1149 clickRect.clipTo(picRect); | |
| 1150 var area = data.imgTrafo.invtransform(clickRect); | |
| 1151 data.zoomArea = area; | |
| 1152 // zoomed is always fit | |
| 1153 data.settings.ws = 1; | |
| 1154 redisplay(data); | |
| 1155 return false; | |
| 1156 }; | |
| 668 | 1157 |
| 654 | 1158 // mouse move handler |
| 1159 var zoomMove = function (evt) { | |
| 1160 pt2 = geom.position(evt); | |
| 1161 var rect = geom.rectangle(pt1, pt2); | |
| 1162 rect.clipTo(picRect); | |
| 1163 // update zoom div | |
|
672
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image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
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diff
changeset
|
1164 rect.adjustDiv($zoomDiv); |
| 654 | 1165 return false; |
| 1166 }; | |
| 668 | 1167 |
| 654 | 1168 // bind start zoom handler |
| 1169 $scaler.one('mousedown.digilib', zoomStart); | |
| 1170 }; | |
| 647 | 1171 |
|
678
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|
1172 var birdZoom = function(data) { |
|
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|
1173 var $birdImg = data.$birdImg; |
|
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|
1174 var $birdZoom = data.$birdZoom; |
|
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|
1175 var startPos, newRect, birdImgRect, birdZoomRect; |
|
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|
1176 |
|
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|
1177 var birdZoomMove = function(evt) { |
|
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|
1178 // mousemove handler: drag |
|
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|
1179 var pos = geom.position(evt); |
|
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|
1180 var dx = pos.x - startPos.x; |
|
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|
1181 var dy = pos.y - startPos.y; |
|
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|
1182 // move birdZoom div, keeping size |
|
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|
1183 newRect = geom.rectangle( |
|
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diff
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|
1184 birdZoomRect.x + dx, |
|
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|
1185 birdZoomRect.y + dy, |
|
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|
1186 birdZoomRect.width, |
|
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|
1187 birdZoomRect.height |
|
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|
1188 ); |
|
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|
1189 // stay within birdimage |
|
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|
1190 newRect.stayInside(birdImgRect); |
|
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|
1191 $birdZoom.offset({left : newRect.x, top : newRect.y}); |
|
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|
1192 // $birdZoom.show(); |
|
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|
1193 return false; |
|
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|
1194 }; |
|
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|
1195 |
|
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|
1196 var birdZoomEndDrag = function(evt) { |
|
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diff
changeset
|
1197 // mouseup handler: reload page |
|
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|
1198 var settings = data.settings; |
| 680 | 1199 $(document).unbind("mousemove.digilib", birdZoomMove); |
| 1200 $(document).unbind("mouseup.digilib", birdZoomEndDrag); | |
| 1201 $birdZoom.unbind("mousemove.digilib", birdZoomMove); | |
| 1202 $birdZoom.unbind("mouseup.digilib", birdZoomEndDrag); | |
|
678
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|
1203 if (newRect == null) { // no movement happened |
|
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|
1204 startPos = birdZoomRect.getCenter(); |
|
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1205 birdZoomMove(evt); // set center to click position |
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1206 }; |
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1207 if (data.zoomArea) { |
| 679 | 1208 // should always be true |
| 1209 var x = cropFloat((newRect.x - birdImgRect.x + 2) / birdImgRect.width); | |
| 1210 var y = cropFloat((newRect.y - birdImgRect.y + 2) / birdImgRect.height); | |
| 1211 data.zoomArea.x = x; | |
| 1212 data.zoomArea.y = y; | |
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1213 }; |
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1214 settings.ws = 1; // zoomed is always fit |
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1215 redisplay(data); |
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1216 return false; |
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1217 }; |
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1218 |
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1219 var birdZoomStartDrag = function(evt) { |
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1220 // mousedown handler: start dragging bird zoom to a new position |
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1221 startPos = geom.position(evt); |
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1222 birdImgRect = geom.rectangle($birdImg); |
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1223 birdZoomRect = geom.rectangle($birdZoom); |
| 680 | 1224 $(document).bind("mousemove.digilib", birdZoomMove); |
| 1225 $(document).bind("mouseup.digilib", birdZoomEndDrag); | |
| 1226 $birdZoom.bind("mousemove.digilib", birdZoomMove); | |
| 1227 $birdZoom.bind("mouseup.digilib", birdZoomEndDrag); | |
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1228 return false; |
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1229 }; |
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1230 |
| 681 | 1231 $birdImg.bind("mousedown.digilib", birdZoomStartDrag); |
| 1232 $birdZoom.bind("mousedown.digilib", birdZoomStartDrag); | |
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1233 }; |
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1234 |
| 650 | 1235 // sets a key to a value (relative values with +/- if relative=true) |
| 1236 var setNumValue = function(settings, key, value) { | |
| 1237 if (isNumber(value)) return settings[key] = value; | |
| 1238 var sign = value.substring(0,1); | |
| 1239 if (sign === '+' || sign === '-') { | |
| 1240 if (settings[key] == null) { | |
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1241 // this isn't perfect but still... |
| 650 | 1242 settings[key] = 0; |
| 1243 } | |
| 1244 settings[key] = parseFloat(settings[key]) + parseFloat(value); | |
| 1245 } else { | |
| 1246 settings[key] = value; | |
| 1247 } | |
| 1248 return settings[key]; | |
| 1249 }; | |
| 655 | 1250 |
| 1251 // auxiliary function (from old dllib.js) | |
| 659 | 1252 isFullArea = function(area) { |
| 1253 return (area.width === 1.0) && (area.height === 1.0); | |
| 655 | 1254 }; |
| 1255 | |
| 641 | 1256 // auxiliary function (from Douglas Crockford, A.10) |
| 1257 var isNumber = function isNumber(value) { | |
| 1258 return typeof value === 'number' && isFinite(value); | |
| 1259 }; | |
| 655 | 1260 |
| 631 | 1261 // auxiliary function to crop senseless precision |
| 1262 var cropFloat = function (x) { | |
| 637 | 1263 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1264 }; |
| 655 | 1265 |
| 692 | 1266 // fallback for console.log calls |
| 1267 if (customConsole) { | |
| 1268 var logFunction = function(type) { | |
| 1269 return function(){ | |
| 1270 var $debug = $('#debug'); // debug div | |
| 1271 if (!$debug) return; | |
| 1272 var args = Array.prototype.slice.call(arguments); | |
| 1273 var argtext = args.join(' '); | |
| 1274 var $logDiv = $('<div/>'); | |
| 1275 $logDiv.addClass(type); | |
| 1276 $logDiv.text(argtext); | |
| 1277 $debug.append($logDiv); | |
| 1278 }; | |
| 1279 }; | |
| 1280 console.log = logFunction('_log'); | |
| 1281 console.debug = logFunction('_debug'); | |
| 1282 console.error = logFunction('_error'); | |
| 1283 }; | |
| 1284 | |
| 605 | 1285 // hook plugin into jquery |
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1286 $.fn.digilib = function(action) { |
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1287 if (actions[action]) { |
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1288 // call action on this with the remaining arguments (inserting data as first argument) |
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1289 var $elem = $(this); |
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1290 var data = $elem.data('digilib'); |
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1291 var args = Array.prototype.slice.call(arguments, 1); |
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1292 args.unshift(data); |
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1293 return actions[action].apply(this, args); |
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1294 } else if (typeof(action) === 'object' || !action) { |
| 634 | 1295 // call init on this |
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1296 return actions.init.apply(this, arguments); |
| 605 | 1297 } else { |
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1298 $.error( 'action ' + action + ' does not exist on jQuery.digilib' ); |
| 605 | 1299 } |
| 1300 }; | |
| 692 | 1301 |
| 604 | 1302 })(jQuery); |