Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 785:b9a75079aece jquery
geometry as first digilib plugin.
special case that only exports classes.
| author | robcast |
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| date | Wed, 16 Feb 2011 14:31:50 +0100 |
| parents | dde58c15bbd2 |
| children | 868c2e795aca |
| rev | line source |
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1 /* Copyright (c) 2011 Martin Raspe, Robert Casties |
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2 |
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3 This program is free software: you can redistribute it and/or modify |
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4 it under the terms of the GNU Lesser General Public License as published by |
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5 the Free Software Foundation, either version 2 of the License, or |
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6 (at your option) any later version. |
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7 |
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8 This program is distributed in the hope that it will be useful, |
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9 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 GNU Lesser General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU Lesser General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 |
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16 Authors: |
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17 Martin Raspe, Robert Casties, 11.1.2011 |
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18 */ |
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19 |
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20 /** |
| 604 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
| 767 | 24 /*jslint browser: true, debug: true, forin: true |
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25 */ |
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26 |
| 636 | 27 // fallback for console.log calls |
| 28 if (typeof(console) === 'undefined') { | |
| 29 var console = { | |
| 692 | 30 log : function(){}, |
| 31 debug : function(){}, | |
| 32 error : function(){} | |
| 33 }; | |
| 779 | 34 var customConsole = false; // set to true if debugging for MS IE |
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35 } |
| 604 | 36 |
| 37 (function($) { | |
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38 var buttons = { |
| 610 | 39 reference : { |
| 689 | 40 onclick : "reference", |
| 610 | 41 tooltip : "get a reference URL", |
| 765 | 42 icon : "reference.png" |
| 610 | 43 }, |
| 44 zoomin : { | |
| 643 | 45 onclick : ["zoomBy", 1.4], |
| 610 | 46 tooltip : "zoom in", |
| 765 | 47 icon : "zoom-in.png" |
| 610 | 48 }, |
| 49 zoomout : { | |
| 643 | 50 onclick : ["zoomBy", 0.7], |
| 610 | 51 tooltip : "zoom out", |
| 765 | 52 icon : "zoom-out.png" |
| 610 | 53 }, |
| 54 zoomarea : { | |
| 654 | 55 onclick : "zoomArea", |
| 610 | 56 tooltip : "zoom area", |
| 765 | 57 icon : "zoom-area.png" |
| 610 | 58 }, |
| 59 zoomfull : { | |
| 650 | 60 onclick : "zoomFull", |
| 610 | 61 tooltip : "view the whole image", |
| 765 | 62 icon : "zoom-full.png" |
| 610 | 63 }, |
| 64 pagewidth : { | |
| 650 | 65 onclick : ["zoomFull", "width"], |
| 610 | 66 tooltip : "page width", |
| 765 | 67 icon : "pagewidth.png" |
| 610 | 68 }, |
| 69 back : { | |
| 623 | 70 onclick : ["gotoPage", "-1"], |
| 610 | 71 tooltip : "goto previous image", |
| 765 | 72 icon : "back.png" |
| 610 | 73 }, |
| 74 fwd : { | |
| 623 | 75 onclick : ["gotoPage", "+1"], |
| 610 | 76 tooltip : "goto next image", |
| 765 | 77 icon : "fwd.png" |
| 610 | 78 }, |
| 79 page : { | |
| 716 | 80 onclick : "gotoPage", |
| 81 tooltip : "goto image number", | |
| 765 | 82 icon : "page.png" |
| 610 | 83 }, |
| 84 bird : { | |
| 635 | 85 onclick : "showBirdDiv", |
| 610 | 86 tooltip : "show bird's eye view", |
| 765 | 87 icon : "birds-eye.png" |
| 610 | 88 }, |
| 89 help : { | |
| 635 | 90 onclick : "showAboutDiv", |
| 610 | 91 tooltip : "about Digilib", |
| 765 | 92 icon : "help.png" |
| 610 | 93 }, |
| 94 reset : { | |
| 688 | 95 onclick : "reset", |
| 610 | 96 tooltip : "reset image", |
| 765 | 97 icon : "reset.png" |
| 610 | 98 }, |
| 99 mark : { | |
| 647 | 100 onclick : "setMark", |
| 610 | 101 tooltip : "set a mark", |
| 765 | 102 icon : "mark.png" |
| 610 | 103 }, |
| 104 delmark : { | |
| 650 | 105 onclick : "removeMark", |
| 610 | 106 tooltip : "delete the last mark", |
| 765 | 107 icon : "delmark.png" |
| 610 | 108 }, |
| 109 hmir : { | |
| 661 | 110 onclick : ["mirror", "h"], |
| 610 | 111 tooltip : "mirror horizontally", |
| 765 | 112 icon : "mirror-horizontal.png" |
| 610 | 113 }, |
| 114 vmir : { | |
| 661 | 115 onclick : ["mirror", "v"], |
| 610 | 116 tooltip : "mirror vertically", |
| 765 | 117 icon : "mirror-vertical.png" |
| 610 | 118 }, |
| 119 rot : { | |
| 663 | 120 onclick : "rotate", |
| 610 | 121 tooltip : "rotate image", |
| 765 | 122 icon : "rotate.png" |
| 610 | 123 }, |
| 124 brgt : { | |
| 663 | 125 onclick : "brightness", |
| 610 | 126 tooltip : "set brightness", |
| 765 | 127 icon : "brightness.png" |
| 610 | 128 }, |
| 129 cont : { | |
| 663 | 130 onclick : "contrast", |
| 610 | 131 tooltip : "set contrast", |
| 765 | 132 icon : "contrast.png" |
| 610 | 133 }, |
| 134 rgb : { | |
| 135 onclick : "javascript:setParamWin('rgb', '...')", | |
| 136 tooltip : "set rgb values", | |
| 765 | 137 icon : "rgb.png" |
| 610 | 138 }, |
| 139 quality : { | |
| 748 | 140 onclick : "setQuality", |
| 610 | 141 tooltip : "set image quality", |
| 765 | 142 icon : "quality.png" |
| 610 | 143 }, |
| 144 size : { | |
| 145 onclick : "javascript:toggleSizeMenu()", | |
| 146 tooltip : "set page size", | |
| 765 | 147 icon : "size.png" |
| 610 | 148 }, |
| 149 calibrationx : { | |
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150 onclick : "calibrate", |
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151 tooltip : "calibrate screen resolution", |
| 765 | 152 icon : "calibration-x.png" |
| 610 | 153 }, |
| 154 scale : { | |
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155 onclick : "setScaleMode", |
| 610 | 156 tooltip : "change image scale", |
| 765 | 157 icon : "original-size.png" |
| 610 | 158 }, |
| 699 | 159 toggleoptions : { |
| 748 | 160 onclick : "moreButtons", |
| 699 | 161 tooltip : "more options", |
| 765 | 162 icon : "options.png" |
| 699 | 163 }, |
| 690 | 164 moreoptions : { |
| 748 | 165 onclick : ["moreButtons", "+1"], |
| 690 | 166 tooltip : "more options", |
| 765 | 167 icon : "options.png" |
| 690 | 168 }, |
| 169 lessoptions : { | |
| 748 | 170 onclick : ["moreButtons", "-1"], |
| 690 | 171 tooltip : "less options", |
| 765 | 172 icon : "options.png" |
| 610 | 173 }, |
| 174 SEP : { | |
| 765 | 175 icon : "sep.png" |
| 610 | 176 } |
| 177 }; | |
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178 |
| 605 | 179 var defaults = { |
| 616 | 180 // version of this script |
| 635 | 181 'version' : 'jquery.digilib.js 0.9', |
| 616 | 182 // logo url |
| 183 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 635 | 184 // homepage url (behind logo) |
| 185 'homeUrl' : 'http://digilib.berlios.de', | |
| 744 | 186 // base URL to digilib viewer (for reference URLs) |
| 187 'digilibBaseUrl' : null, | |
| 610 | 188 // base URL to Scaler servlet |
| 652 | 189 'scalerBaseUrl' : null, |
| 610 | 190 // list of Scaler parameters |
| 627 | 191 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 192 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 193 // Scaler parameter defaults | |
| 643 | 194 'pn' : 1, |
| 627 | 195 'ww' : 1.0, |
| 196 'wh' : 1.0, | |
| 197 'wx' : 0.0, | |
| 198 'wy' : 0.0, | |
| 199 'ws' : 1.0, | |
| 643 | 200 'mo' : '', |
| 201 'rot' : 0, | |
| 202 'cont' : 0, | |
| 203 'brgt' : 0, | |
| 204 'rgbm' : '0/0/0', | |
| 205 'rgba' : '0/0/0', | |
| 206 'ddpi' : null, | |
| 207 'ddpix' : null, | |
| 208 'ddpiy' : null, | |
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209 // list of digilib parameters |
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210 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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211 // digilib parameter defaults |
| 643 | 212 'mk' : '', |
| 650 | 213 'clop' : '', |
| 643 | 214 // mode of operation: |
| 215 // fullscreen = take parameters from page URL, keep state in page URL | |
| 216 // embedded = take parameters from Javascript options, keep state inside object | |
| 610 | 217 'interactionMode' : 'fullscreen', |
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218 // buttons |
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219 'buttons' : buttons, |
| 668 | 220 // defaults for digilib buttons |
| 665 | 221 'buttonSettings' : { |
| 222 'fullscreen' : { | |
| 668 | 223 // path to button images (must end with a slash) |
| 665 | 224 'imagePath' : 'img/fullscreen/', |
| 721 | 225 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
| 226 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
| 682 | 227 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 228 }, |
| 229 'embedded' : { | |
| 230 'imagePath' : 'img/embedded/16/', | |
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231 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
| 768 | 232 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
| 682 | 233 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 234 } |
| 697 | 235 }, |
| 775 | 236 |
| 697 | 237 // number of visible button groups |
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238 'visibleButtonSets' : 1, |
| 616 | 239 // is birdView shown? |
| 240 'isBirdDivVisible' : false, | |
| 668 | 241 // dimensions of bird's eye div |
| 674 | 242 'birdDivWidth' : 200, |
| 243 'birdDivHeight' : 200, | |
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244 // parameters used by bird's eye div |
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245 'birdDivParams' : ['fn','pn','dw','dh'], |
| 616 | 246 // is the "about" window shown? |
| 741 | 247 'isAboutDivVisible' : false, |
| 248 // maximum width of background image for drag-scroll | |
| 778 | 249 'maxBgSize' : 10000, |
| 779 | 250 // space to be left free in full page display, default value is for scrollbar |
| 785 | 251 'scalerInset' : 10 |
| 610 | 252 }; |
| 655 | 253 |
| 608 | 254 // affine geometry classes |
| 785 | 255 var geom; |
| 655 | 256 |
| 785 | 257 var FULL_AREA; |
| 655 | 258 |
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259 var actions = { |
| 668 | 260 // init: digilib initialization |
| 261 init : function(options) { | |
| 785 | 262 // import geometry classes TODO: move to general plugin mechanism? |
| 263 if ($.fn.digilib.geometry == null) { | |
| 264 console.error("You should use jquery.digilib.geometry"); | |
| 265 geom = dlGeometry(); | |
| 266 } else { | |
| 267 geom = $.fn.digilib.geometry; | |
| 268 } | |
| 269 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 270 | |
| 668 | 271 // settings for this digilib instance are merged from defaults and options |
| 272 var settings = $.extend({}, defaults, options); | |
| 273 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 274 var queryParams = {}; | |
| 275 if (isFullscreen) { | |
| 276 queryParams = parseQueryParams(); | |
| 277 // check scalerBaseUrl | |
| 278 if (settings.scalerBaseUrl == null) { | |
| 279 // try the host this came from | |
| 280 var h = window.location.host; | |
| 281 if (window.location.host) { | |
| 282 var url = window.location.href; | |
| 283 // assume the page lives in [webapp]/jquery/ | |
| 284 var pos = url.indexOf('jquery/'); | |
| 285 if (pos > 0) { | |
| 286 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 652 | 287 } |
| 288 } | |
| 636 | 289 } |
| 668 | 290 } |
| 291 return this.each(function() { | |
| 292 var $elem = $(this); | |
| 293 var data = $elem.data('digilib'); | |
| 688 | 294 var params, elemSettings; |
| 668 | 295 // if the plugin hasn't been initialized yet |
| 296 if (!data) { | |
| 297 // merge query parameters | |
| 298 if (isFullscreen) { | |
| 688 | 299 params = queryParams; |
| 668 | 300 } else { |
| 688 | 301 params = parseImgParams($elem); |
| 785 | 302 if ($.cookie) { |
| 727 | 303 // retrieve params from cookie |
| 304 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 785 | 305 var cs = $.cookie(ck); |
| 727 | 306 console.debug("get cookie=", ck, " value=", cs); |
| 307 if (cs) { | |
| 308 var cp = parseQueryString(cs); | |
| 728 | 309 // ignore fn and pn from cookie TODO: should we keep pn? |
| 310 delete cp.fn; | |
| 311 delete cp.pn; | |
| 785 | 312 $.extend(params, cp); |
| 727 | 313 } |
| 314 } | |
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315 } |
| 668 | 316 // store $(this) element in the settings |
| 785 | 317 elemSettings = $.extend({}, settings, params); |
| 697 | 318 data = { |
| 668 | 319 $elem : $elem, |
| 320 settings : elemSettings, | |
| 688 | 321 queryParams : params |
| 668 | 322 }; |
| 323 // store in data element | |
| 324 $elem.data('digilib', data); | |
| 325 } | |
| 326 unpackParams(data); | |
| 744 | 327 // check if browser knows *background-size |
| 741 | 328 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 329 if ($elem.css(bs+'background-size')) { | |
| 330 data.hasBgSize = true; | |
| 331 data.bgSizeName = bs+'background-size'; | |
| 332 break; | |
| 333 } | |
| 334 } | |
| 744 | 335 // check digilib base URL |
| 336 if (elemSettings.digilibBaseUrl == null) { | |
| 337 if (isFullscreen) { | |
| 338 // take current host | |
| 339 var url = window.location.toString(); | |
| 340 var pos = url.indexOf('?'); | |
| 341 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 342 } else { | |
| 343 var url = elemSettings.scalerBaseUrl; | |
| 344 if (url) { | |
| 345 // build it from scaler URL | |
| 346 var bp = url.indexOf('/servlet/Scaler'); | |
| 765 | 347 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 744 | 348 } |
| 349 } | |
| 350 } | |
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351 // get image info from server if needed |
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352 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 767 | 353 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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354 } |
| 779 | 355 // create buttons before scaler |
| 697 | 356 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
| 357 showButtons(data, true, i); | |
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358 } |
| 779 | 359 // create HTML structure for scaler, taking width of buttons div into account |
| 360 setupScalerDiv(data); | |
| 765 | 361 highlightButtons(data); |
| 668 | 362 // bird's eye view creation |
| 710 | 363 if (elemSettings.isBirdDivVisible) { |
| 638 | 364 setupBirdDiv(data); |
| 723 | 365 data.$birdDiv.show(); |
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366 } |
| 668 | 367 // about window creation - TODO: could be deferred? restrict to only one item? |
| 368 setupAboutDiv(data); | |
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369 // drag zoom area around in scaler div |
| 755 | 370 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 668 | 371 }); |
| 372 }, | |
| 373 | |
| 374 // destroy: clean up digilib | |
| 375 destroy : function(data) { | |
| 376 return this.each(function(){ | |
| 377 var $elem = $(this); | |
| 378 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 379 data.digilib.remove(); | |
| 380 $elem.removeData('digilib'); | |
| 381 }); | |
| 382 }, | |
| 383 | |
| 384 // show or hide the 'about' window | |
| 385 showAboutDiv : function(data, show) { | |
| 765 | 386 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 387 data.settings.isAboutDivVisible = on; | |
| 388 highlightButtons(data, 'help', on); | |
| 668 | 389 }, |
| 655 | 390 |
| 668 | 391 // event handler: toggles the visibility of the bird's eye window |
| 392 showBirdDiv : function (data, show) { | |
| 726 | 393 var settings = data.settings; |
| 668 | 394 if (data.$birdDiv == null) { |
| 395 // no bird div -> create | |
| 396 setupBirdDiv(data); | |
| 397 } | |
| 765 | 398 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 399 settings.isBirdDivVisible = on; | |
| 400 highlightButtons(data, 'bird', on); | |
| 726 | 401 updateBirdDiv(data); |
| 723 | 402 storeOptions(data); |
| 668 | 403 }, |
| 404 | |
| 405 // goto given page nr (+/-: relative) | |
| 406 gotoPage : function (data, pageNr) { | |
| 407 var settings = data.settings; | |
| 408 var oldpn = settings.pn; | |
| 716 | 409 if (pageNr == null) { |
| 410 pageNr = window.prompt("Goto page number", oldpn); | |
| 411 } | |
| 668 | 412 var pn = setNumValue(settings, "pn", pageNr); |
| 413 if (pn == null) return false; // nothing happened | |
| 414 if (pn < 1) { | |
| 415 alert("no such page (page number too low)"); | |
| 416 settings.pn = oldpn; | |
| 417 return false; | |
| 418 } | |
| 767 | 419 // TODO: how do we get pt? |
| 668 | 420 if (settings.pt) { |
| 421 if (pn > settings.pt) { | |
| 422 alert("no such page (page number too high)"); | |
| 623 | 423 settings.pn = oldpn; |
| 424 return false; | |
| 634 | 425 } |
| 668 | 426 } |
| 427 // reset mk and others(?) | |
| 428 data.marks = []; | |
|
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429 data.zoomArea = FULL_AREA; |
| 668 | 430 // then reload |
| 431 redisplay(data); | |
| 432 }, | |
| 654 | 433 |
| 668 | 434 // zoom by a given factor |
| 435 zoomBy : function (data, factor) { | |
| 436 zoomBy(data, factor); | |
| 437 }, | |
| 647 | 438 |
| 767 | 439 // zoom to area (or interactive) |
| 440 zoomArea : function (data, area) { | |
| 441 var settings = data.settings; | |
| 442 if (area == null) { | |
| 443 // interactively | |
| 444 zoomArea(data); | |
| 445 } else { | |
| 446 data.zoomArea = geom.rectangle(area); | |
| 447 redisplay(data); | |
| 448 } | |
| 668 | 449 }, |
| 650 | 450 |
| 668 | 451 // zoom out to full page |
| 452 zoomFull : function (data, mode) { | |
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453 data.zoomArea = FULL_AREA; |
| 668 | 454 if (mode === 'width') { |
| 455 data.dlOpts.fitwidth = 1; | |
| 456 delete data.dlOpts.fitheight; | |
| 457 } else if (mode === 'height') { | |
| 458 data.dlOpts.fitheight = 1; | |
| 459 delete data.dlOpts.fitwidth; | |
| 460 } else { | |
| 461 delete data.dlOpts.fitwidth; | |
| 462 delete data.dlOpts.fitheight; | |
| 463 } | |
| 464 redisplay(data); | |
| 465 }, | |
| 466 | |
| 467 // set a mark by clicking (or giving a position) | |
| 468 setMark : function (data, mpos) { | |
| 469 if (mpos == null) { | |
| 470 // interactive | |
| 471 setMark(data); | |
| 472 } else { | |
| 473 // use position | |
| 474 data.marks.push(pos); | |
| 663 | 475 redisplay(data); |
| 604 | 476 } |
| 668 | 477 }, |
| 478 | |
| 479 // remove the last mark | |
| 480 removeMark : function (data) { | |
| 481 data.marks.pop(); | |
| 482 redisplay(data); | |
| 483 }, | |
| 484 | |
| 485 // mirror the image | |
| 486 mirror : function (data, mode) { | |
| 487 var flags = data.scalerFlags; | |
| 488 if (mode === 'h') { | |
| 489 if (flags.hmir) { | |
| 490 delete flags.hmir; | |
| 491 } else { | |
| 492 flags.hmir = 1; | |
| 493 } | |
| 494 } else { | |
| 495 if (flags.vmir) { | |
| 496 delete flags.vmir; | |
| 497 } else { | |
| 498 flags.vmir = 1; | |
| 499 } | |
| 500 } | |
| 501 redisplay(data); | |
| 502 }, | |
| 650 | 503 |
| 668 | 504 // rotate the image |
| 505 rotate : function (data, angle) { | |
| 506 var rot = data.settings.rot; | |
| 507 if (angle == null) { | |
| 508 angle = window.prompt("Rotation angle:", rot); | |
| 509 } | |
| 510 data.settings.rot = angle; | |
| 511 redisplay(data); | |
| 512 }, | |
| 513 | |
| 514 // change brightness | |
| 515 brightness : function (data, factor) { | |
| 516 var brgt = data.settings.brgt; | |
| 517 if (factor == null) { | |
| 518 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 519 } | |
| 520 data.settings.brgt = factor; | |
| 521 redisplay(data); | |
| 522 }, | |
| 523 | |
| 524 // change contrast | |
| 525 contrast : function (data, factor) { | |
| 526 var cont = data.settings.cont; | |
| 527 if (factor == null) { | |
| 528 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 529 } | |
| 530 data.settings.cont = factor; | |
| 531 redisplay(data); | |
| 688 | 532 }, |
| 710 | 533 |
| 690 | 534 // display more (or less) button sets |
| 748 | 535 moreButtons : function (data, more) { |
| 696 | 536 var settings = data.settings; |
| 699 | 537 if (more == null) { |
| 703 | 538 // toggle more or less (only works for 2 sets) |
| 699 | 539 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 540 if (settings.visibleButtonSets >= maxbtns) { | |
| 541 more = '-1'; | |
| 542 } else { | |
| 543 more = '+1'; | |
| 544 } | |
| 545 } | |
| 690 | 546 if (more === '-1') { |
| 547 // remove set | |
| 697 | 548 var setIdx = settings.visibleButtonSets - 1; |
| 549 if (showButtons(data, false, setIdx, true)) { | |
| 550 settings.visibleButtonSets--; | |
| 551 } | |
| 690 | 552 } else { |
| 553 // add set | |
| 697 | 554 var setIdx = settings.visibleButtonSets; |
| 555 if (showButtons(data, true, setIdx, true)) { | |
| 556 settings.visibleButtonSets++; | |
| 690 | 557 } |
| 558 } | |
| 723 | 559 // persist setting |
| 560 storeOptions(data); | |
| 691 | 561 }, |
| 688 | 562 |
| 703 | 563 // reset image parameters to defaults |
| 688 | 564 reset : function (data) { |
| 565 var settings = data.settings; | |
| 566 var paramNames = settings.digilibParamNames; | |
| 567 var params = data.queryParams; | |
| 568 // delete all digilib parameters | |
| 569 for (var i = 0; i < paramNames.length; i++) { | |
| 570 var paramName = paramNames[i]; | |
| 571 delete settings[paramName]; | |
|
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572 } |
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573 settings.fn = params.fn || ''; // no default defined |
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574 settings.pn = params.pn || defaults.pn; |
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575 settings.dw = params.dw; |
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576 settings.dh = params.dh; |
| 709 | 577 settings.isBirdDivVisible = false; |
| 578 settings.visibleButtonSets = 1; | |
|
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579 // resets zoomArea, marks, scalerflags |
|
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580 data.zoomArea = FULL_AREA; |
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581 data.marks = []; |
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582 data.scalerFlags = {}; |
| 712 | 583 delete data.dlOpts.fitwidth; |
| 584 delete data.dlOpts.fitheight; | |
| 688 | 585 redisplay(data); |
| 689 | 586 }, |
| 587 | |
| 703 | 588 // presents a reference url (returns value if noprompt) |
| 589 reference : function (data, noprompt) { | |
| 689 | 590 var settings = data.settings; |
| 744 | 591 var url = getDigilibUrl(data); |
| 703 | 592 if (noprompt == null) { |
| 593 window.prompt("URL reference to the current view", url); | |
| 594 } | |
| 595 return url; | |
| 596 }, | |
| 710 | 597 |
| 703 | 598 // set image quality |
| 748 | 599 setQuality : function (data, qual) { |
| 703 | 600 var oldq = getQuality(data); |
| 601 if (qual == null) { | |
| 602 qual = window.prompt("Image quality (0..2)", oldq); | |
| 603 } | |
| 604 qual = parseInt(qual, 10); | |
| 605 if (qual >= 0 && qual <= 2) { | |
| 606 setQuality(data, qual); | |
| 607 redisplay(data); | |
| 608 } | |
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609 }, |
|
760
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|
610 |
|
754
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|
611 // calibrate (only faking) |
|
772
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|
612 calibrate : function (data, res) { |
|
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613 var oldRes = data.settings.ddpi; |
|
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614 if (res == null) { |
|
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615 res = window.prompt("Display resolution (dpi)", oldRes); |
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|
616 } |
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617 if (res != null) { |
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618 data.settings.ddpi = res; |
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619 redisplay(data); |
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620 } |
|
760
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621 }, |
| 775 | 622 |
|
761
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623 // set image scale mode |
|
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624 setScaleMode : function (data, mode) { |
|
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625 var oldM = getScaleMode(data); |
|
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626 if (mode == null) { |
|
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627 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
|
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|
628 } |
|
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|
629 if (mode != null) { |
|
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630 setScaleMode(data, mode); |
|
763
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|
631 data.scaleMode = mode; |
|
761
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|
632 redisplay(data); |
|
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|
633 } |
|
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|
634 } |
| 775 | 635 |
|
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|
636 // end of actions |
| 605 | 637 }; |
| 604 | 638 |
| 608 | 639 // returns parameters from page url |
| 607 | 640 var parseQueryParams = function() { |
| 636 | 641 return parseQueryString(window.location.search.slice(1)); |
| 642 }; | |
| 655 | 643 |
| 636 | 644 // returns parameters from embedded img-element |
| 607 | 645 var parseImgParams = function($elem) { |
|
613
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|
646 var src = $elem.find('img').first().attr('src'); |
| 710 | 647 if (!src) return null; |
| 607 | 648 var pos = src.indexOf('?'); |
| 649 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 650 var scalerUrl = src.substring(0, pos); | |
| 627 | 651 var params = parseQueryString(query); |
| 652 params.scalerBaseUrl = scalerUrl; | |
| 653 return params; | |
| 636 | 654 }; |
| 607 | 655 |
| 608 | 656 // parses query parameter string into parameter object |
| 607 | 657 var parseQueryString = function(query) { |
| 701 | 658 var params = {}; |
| 659 if (query == null) return params; | |
| 607 | 660 var pairs = query.split("&"); |
| 636 | 661 //var keys = []; |
| 607 | 662 for (var i = 0; i < pairs.length; i++) { |
| 663 var pair = pairs[i].split("="); | |
| 664 if (pair.length === 2) { | |
| 627 | 665 params[pair[0]] = pair[1]; |
| 636 | 666 //keys.push(pair[0]); |
| 634 | 667 } |
| 636 | 668 } |
| 627 | 669 return params; |
| 636 | 670 }; |
| 668 | 671 |
| 643 | 672 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 673 var getParamString = function (settings, keys, defaults) { | |
| 615 | 674 var paramString = ''; |
| 650 | 675 var nx = false; |
| 615 | 676 for (i = 0; i < keys.length; ++i) { |
| 677 var key = keys[i]; | |
| 663 | 678 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 679 // first param gets no '&' |
| 650 | 680 if (nx) { |
| 681 paramString += '&'; | |
| 682 } else { | |
| 683 nx = true; | |
| 684 } | |
| 615 | 685 // add parm=val |
| 686 paramString += key + '=' + settings[key]; | |
| 643 | 687 } |
| 615 | 688 } |
| 689 return paramString; | |
| 631 | 690 }; |
| 691 | |
| 636 | 692 // returns URL and query string for Scaler |
| 693 var getScalerUrl = function (data) { | |
| 741 | 694 packParams(data); |
| 653 | 695 var settings = data.settings; |
| 652 | 696 if (settings.scalerBaseUrl == null) { |
| 697 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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|
698 } |
| 636 | 699 var keys = settings.scalerParamNames; |
| 643 | 700 var queryString = getParamString(settings, keys, defaults); |
| 636 | 701 var url = settings.scalerBaseUrl + '?' + queryString; |
| 702 return url; | |
| 703 }; | |
| 704 | |
| 741 | 705 // returns URL for bird's eye view image |
| 743 | 706 var getBirdImgUrl = function (data, moreParams) { |
| 741 | 707 var settings = data.settings; |
| 708 var birdDivOptions = { | |
| 709 dw : settings.birdDivWidth, | |
| 710 dh : settings.birdDivHeight | |
| 711 }; | |
| 785 | 712 var birdSettings = $.extend({}, settings, birdDivOptions); |
| 741 | 713 // use only the relevant parameters |
| 743 | 714 if (moreParams == null) { |
| 715 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 716 } else { | |
| 767 | 717 // filter scaler flags |
| 718 if (birdSettings.mo != null) { | |
| 719 var mo = ''; | |
| 720 if (data.scalerFlags.hmir != null) { | |
| 721 mo += 'hmir,'; | |
| 722 } | |
| 723 if (data.scalerFlags.vmir != null) { | |
| 724 mo += 'vmir'; | |
| 725 } | |
| 726 birdSettings.mo = mo; | |
| 727 } | |
| 743 | 728 var params = getParamString(birdSettings, |
| 729 settings.birdDivParams.concat(moreParams), defaults); | |
| 730 } | |
| 731 var url = settings.scalerBaseUrl + '?' + params; | |
| 741 | 732 return url; |
| 733 }; | |
|
745
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move birdview zoom indicator along with zoom drag
hertzhaft
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diff
changeset
|
734 |
| 636 | 735 // returns URL and query string for current digilib |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
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diff
changeset
|
736 var getDigilibUrl = function (data) { |
| 643 | 737 packParams(data); |
| 636 | 738 var settings = data.settings; |
|
644
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robcast
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changeset
|
739 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 744 | 740 return settings.digilibBaseUrl + '?' + queryString; |
| 636 | 741 }; |
| 742 | |
| 767 | 743 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 744 var loadImageInfo = function (data, complete) { | |
|
754
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robcast
parents:
751
diff
changeset
|
745 var settings = data.settings; |
|
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diff
changeset
|
746 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
parents:
751
diff
changeset
|
747 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
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751
diff
changeset
|
748 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 767 | 749 // TODO: better error handling |
| 785 | 750 $.getJSON(url, function (json) { |
|
754
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robcast
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diff
changeset
|
751 console.debug("got json data=", json); |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
752 data.imgInfo = json; |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
753 if (complete != null) { |
|
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
754 complete.call(this, data, json); |
|
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reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
755 } |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
756 }); |
|
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diff
changeset
|
757 }; |
| 775 | 758 |
| 655 | 759 // processes some parameters into objects and stuff |
| 631 | 760 var unpackParams = function (data) { |
| 761 var settings = data.settings; | |
| 636 | 762 // zoom area |
| 631 | 763 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 764 data.zoomArea = zoomArea; |
| 636 | 765 // marks |
| 631 | 766 var marks = []; |
| 650 | 767 if (settings.mk) { |
| 768 var mk = settings.mk; | |
| 769 if (mk.indexOf(";") >= 0) { | |
| 770 var pa = mk.split(";"); // old format with ";" | |
| 771 } else { | |
| 772 var pa = mk.split(","); // new format | |
|
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773 } |
| 650 | 774 for (var i = 0; i < pa.length ; i++) { |
| 775 var pos = pa[i].split("/"); | |
| 776 if (pos.length > 1) { | |
| 777 marks.push(geom.position(pos[0], pos[1])); | |
|
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robcast
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778 } |
|
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|
779 } |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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|
780 } |
| 643 | 781 data.marks = marks; |
| 650 | 782 // mo (Scaler flags) |
| 783 var flags = {}; | |
| 784 if (settings.mo) { | |
| 785 var pa = settings.mo.split(","); | |
| 786 for (var i = 0; i < pa.length ; i++) { | |
| 787 flags[pa[i]] = pa[i]; | |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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changeset
|
788 } |
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789 } |
| 650 | 790 data.scalerFlags = flags; |
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791 data.scaleMode = getScaleMode(data); |
| 723 | 792 retrieveOptions(data); |
| 655 | 793 }; |
| 794 | |
| 631 | 795 // put objects back into parameters |
| 796 var packParams = function (data) { | |
| 797 var settings = data.settings; | |
| 636 | 798 // zoom area |
| 643 | 799 if (data.zoomArea) { |
| 647 | 800 settings.wx = cropFloat(data.zoomArea.x); |
| 801 settings.wy = cropFloat(data.zoomArea.y); | |
| 802 settings.ww = cropFloat(data.zoomArea.width); | |
| 803 settings.wh = cropFloat(data.zoomArea.height); | |
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804 } |
| 636 | 805 // marks |
| 643 | 806 if (data.marks) { |
| 650 | 807 settings.mk = ''; |
| 643 | 808 for (var i = 0; i < data.marks.length; i++) { |
| 650 | 809 if (i) { |
| 810 settings.mk += ','; | |
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811 } |
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812 settings.mk += cropFloat(data.marks[i].x).toString() + |
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813 '/' + cropFloat(data.marks[i].y).toString(); |
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814 } |
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815 } |
| 650 | 816 // Scaler flags |
| 817 if (data.scalerFlags) { | |
| 818 var mo = ''; | |
| 819 for (var f in data.scalerFlags) { | |
| 820 if (mo) { | |
| 821 mo += ','; | |
| 822 } | |
| 823 mo += f; | |
| 824 } | |
| 825 settings.mo = mo; | |
| 826 } | |
| 710 | 827 // user interface options |
| 723 | 828 storeOptions(data); |
| 709 | 829 }; |
| 688 | 830 |
| 723 | 831 var storeOptions = function (data) { |
| 701 | 832 // save digilib options in cookie |
| 709 | 833 var settings = data.settings; |
| 834 if (data.dlOpts) { | |
| 835 // save digilib settings in options | |
| 836 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 837 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 838 var clop = ''; | |
| 839 for (var o in data.dlOpts) { | |
| 840 if (clop) { | |
| 841 clop += '&'; | |
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842 } |
| 709 | 843 clop += o + '=' + data.dlOpts[o]; |
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844 } |
| 785 | 845 if ($.cookie) { |
| 709 | 846 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 847 console.debug("set cookie=", ck, " value=", clop); | |
| 785 | 848 $.cookie(ck, clop); |
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849 } |
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850 } |
| 785 | 851 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 727 | 852 // store normal parameters in cookie for embedded mode |
| 853 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 854 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 855 console.debug("set cookie=", ck, " value=", qs); | |
| 785 | 856 $.cookie(ck, qs); |
| 727 | 857 } |
| 631 | 858 }; |
| 655 | 859 |
| 723 | 860 var retrieveOptions = function (data) { |
| 709 | 861 // clop (digilib options) |
| 862 var opts = {}; | |
| 863 var settings = data.settings; | |
| 785 | 864 if ($.cookie) { |
| 709 | 865 // read from cookie |
| 866 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 785 | 867 var cp = $.cookie(ck); |
| 709 | 868 console.debug("get cookie=", ck, " value=", cp); |
| 869 // in query string format | |
| 870 opts = parseQueryString(cp); | |
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871 } |
| 709 | 872 data.dlOpts = opts; |
| 873 // birdview option | |
| 874 if (opts.birdview != null) { | |
| 875 settings.isBirdDivVisible = opts.birdview === '1'; | |
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876 } |
| 709 | 877 // visible button sets |
| 878 if (opts.buttons != null) { | |
| 879 settings.visibleButtonSets = opts.buttons; | |
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880 } |
| 711 | 881 }; |
| 709 | 882 |
| 622 | 883 // (re)load the img from a new scaler URL |
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884 var redisplay = function (data) { |
| 636 | 885 var settings = data.settings; |
| 886 if (settings.interactionMode === 'fullscreen') { | |
| 887 // update location.href (browser URL) in fullscreen mode | |
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888 var url = getDigilibUrl(data); |
| 636 | 889 var history = window.history; |
| 890 if (typeof(history.pushState) === 'function') { | |
| 891 console.debug("we could modify history, but we don't..."); | |
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892 } |
| 636 | 893 window.location = url; |
| 894 } else { | |
| 895 // embedded mode -- just change img src | |
| 896 var url = getScalerUrl(data); | |
| 897 data.$img.attr('src', url); | |
| 726 | 898 // redisplay bird img |
| 899 updateBirdDiv(data); | |
| 765 | 900 highlightButtons(data); |
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901 } |
| 622 | 902 }; |
| 903 | |
| 767 | 904 // update display (overlays etc.) |
| 905 var updateDisplay = function (data) { | |
| 906 updateImgTrafo(data); | |
| 907 renderMarks(data); | |
| 908 setupZoomDrag(data); | |
| 909 if (data.settings.isBirdDivVisible) { | |
| 910 renderBirdArea(data); | |
| 911 setupBirdDrag(data); | |
| 912 } | |
| 784 | 913 // send event |
| 914 $(data).trigger('update'); | |
| 767 | 915 }; |
| 775 | 916 |
| 662 | 917 // returns maximum size for scaler img in fullscreen mode |
| 778 | 918 var getFullscreenImgSize = function (data) { |
| 662 | 919 var $win = $(window); |
| 920 var winH = $win.height(); | |
| 779 | 921 var winW = $win.width(); |
| 922 var $body = $('body'); | |
| 780 | 923 // include standard body margins |
| 924 var borderW = $body.outerWidth(true) - $body.width(); | |
| 925 var borderH = $body.outerHeight(true) - $body.height(); | |
| 779 | 926 // get width of first button div |
| 927 var buttonsW = 0; | |
| 928 if (data.$buttonSets) { | |
| 929 buttonsW = data.$buttonSets[0].outerWidth(); | |
| 930 } | |
| 931 // account for left/right border, body margins and additional requirements | |
| 780 | 932 var calcW = winW - borderW - buttonsW - data.settings.scalerInset; |
| 933 var calcH = winH - borderH; | |
| 934 console.debug(winW, winH, 'winW:', $win.width(), 'border:', borderW, 'buttonsW:', buttonsW, 'calc:', calcW); | |
| 935 return geom.size(calcW, calcH); | |
| 662 | 936 }; |
| 937 | |
| 608 | 938 // creates HTML structure for digilib in elem |
| 627 | 939 var setupScalerDiv = function (data) { |
| 940 var settings = data.settings; | |
| 647 | 941 var $elem = data.$elem; |
| 725 | 942 $elem.addClass('digilib'); |
| 728 | 943 var $img; |
| 944 var scalerUrl; | |
| 608 | 945 if (settings.interactionMode === 'fullscreen') { |
| 728 | 946 // fullscreen |
| 725 | 947 $elem.addClass('dl_fullscreen'); |
| 778 | 948 var imgSize = getFullscreenImgSize(data); |
| 650 | 949 // fitwidth/height omits destination height/width |
| 728 | 950 if (data.dlOpts.fitheight == null) { |
| 650 | 951 settings.dw = imgSize.width; |
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952 } |
| 728 | 953 if (data.dlOpts.fitwidth == null) { |
| 650 | 954 settings.dh = imgSize.height; |
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955 } |
| 686 | 956 scalerUrl = getScalerUrl(data); |
| 728 | 957 $img = $('<img/>'); |
| 609 | 958 } else { |
| 728 | 959 // embedded mode -- try to keep img tag |
| 725 | 960 $elem.addClass('dl_embedded'); |
| 728 | 961 scalerUrl = getScalerUrl(data); |
| 623 | 962 $img = $elem.find('img'); |
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963 if ($img.length > 0) { |
| 728 | 964 oldUrl = $img.attr('src'); |
| 965 if (oldUrl === scalerUrl) { | |
| 966 console.debug("img detach:", $img); | |
| 967 $img.detach(); | |
| 968 } else { | |
| 969 $img = $('<img/>'); | |
| 970 } | |
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971 } else { |
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972 $img = $('<img/>'); |
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973 } |
| 608 | 974 } |
| 779 | 975 // create new inner html, keep buttons |
| 976 $elem.contents(":not(div.buttons)").remove(); | |
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977 var $scaler = $('<div class="scaler"/>'); |
| 779 | 978 // scaler should be the first child element? |
| 979 $elem.prepend($scaler); | |
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980 $scaler.append($img); |
| 622 | 981 $img.addClass('pic'); |
| 649 | 982 data.$scaler = $scaler; |
| 636 | 983 data.$img = $img; |
| 687 | 984 // setup image load handler before setting the src attribute (IE bug) |
| 985 $img.load(scalerImgLoadedHandler(data)); | |
| 767 | 986 $img.error(function () {console.error("error loading scaler image");}); |
| 687 | 987 $img.attr('src', scalerUrl); |
| 608 | 988 }; |
| 615 | 989 |
| 610 | 990 // creates HTML structure for buttons in elem |
| 697 | 991 var createButtons = function (data, buttonSetIdx) { |
| 647 | 992 var $elem = data.$elem; |
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993 var settings = data.settings; |
| 665 | 994 var mode = settings.interactionMode; |
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995 var buttonSettings = settings.buttonSettings[mode]; |
| 682 | 996 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 690 | 997 if (buttonGroup == null) { |
| 998 // no buttons here | |
| 999 return; | |
| 1000 } | |
| 1001 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 682 | 1002 var buttonNames = buttonSettings[buttonGroup]; |
| 1003 for (var i = 0; i < buttonNames.length; i++) { | |
| 1004 var buttonName = buttonNames[i]; | |
| 1005 var buttonConfig = settings.buttons[buttonName]; | |
| 665 | 1006 // construct the button html |
| 1007 var $button = $('<div class="button"></div>'); | |
| 1008 var $a = $('<a/>'); | |
| 1009 var $img = $('<img class="button"/>'); | |
| 1010 $buttonsDiv.append($button); | |
| 1011 $button.append($a); | |
| 1012 $a.append($img); | |
| 1013 // add attributes and bindings | |
| 1014 $button.attr('title', buttonConfig.tooltip); | |
| 682 | 1015 $button.addClass('button-' + buttonName); |
| 665 | 1016 // create handler for the buttons |
| 1017 $a.bind('click.digilib', (function () { | |
| 1018 // we create a new closure to capture the value of action | |
| 1019 var action = buttonConfig.onclick; | |
| 1020 if ($.isArray(action)) { | |
| 1021 // the handler function calls digilib with action and parameters | |
| 1022 return function (evt) { | |
| 1023 console.debug('click action=', action, ' evt=', evt); | |
| 1024 $elem.digilib.apply($elem, action); | |
| 1025 return false; | |
| 1026 }; | |
| 1027 } else { | |
| 1028 // the handler function calls digilib with action | |
| 1029 return function (evt) { | |
| 1030 console.debug('click action=', action, ' evt=', evt); | |
| 1031 $elem.digilib(action); | |
| 1032 return false; | |
| 1033 }; | |
| 1034 } | |
| 1035 })()); | |
| 765 | 1036 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 690 | 1037 } |
| 662 | 1038 // make buttons div scroll if too large for window |
| 1039 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1040 $buttonsDiv.css('position', 'absolute'); | |
| 1041 } | |
| 697 | 1042 // buttons hidden at first |
| 1043 $buttonsDiv.hide(); | |
| 1044 $elem.append($buttonsDiv); | |
| 682 | 1045 if (data.$buttonSets == null) { |
| 697 | 1046 // first button set |
| 682 | 1047 data.$buttonSets = [$buttonsDiv]; |
| 1048 } else { | |
| 690 | 1049 $elem.append($buttonsDiv); |
| 682 | 1050 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1051 } | |
| 612 | 1052 return $buttonsDiv; |
| 610 | 1053 }; |
| 615 | 1054 |
| 1055 // creates HTML structure for the bird's eye view in elem | |
| 638 | 1056 var setupBirdDiv = function (data) { |
| 647 | 1057 var $elem = data.$elem; |
| 615 | 1058 // the bird's eye div |
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1059 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 615 | 1060 // the detail indicator frame |
| 726 | 1061 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 615 | 1062 // the small image |
| 1063 var $birdImg = $('<img class="birdimg"/>'); | |
| 723 | 1064 data.$birdDiv = $birdDiv; |
| 1065 data.$birdZoom = $birdZoom; | |
| 1066 data.$birdImg = $birdImg; | |
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1067 $elem.append($birdDiv); |
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1068 $birdDiv.append($birdZoom); |
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1069 $birdDiv.append($birdImg); |
| 775 | 1070 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 723 | 1071 var birdUrl = getBirdImgUrl(data); |
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1072 $birdImg.load(birdImgLoadedHandler(data)); |
| 767 | 1073 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 723 | 1074 $birdImg.attr('src', birdUrl); |
| 1075 }; | |
| 1076 | |
| 1077 // update bird's eye view | |
| 1078 var updateBirdDiv = function (data) { | |
| 1079 if (!data.settings.isBirdDivVisible) return; | |
| 1080 var $birdImg = data.$birdImg; | |
| 1081 var oldsrc = $birdImg.attr('src'); | |
| 1082 var newsrc = getBirdImgUrl(data); | |
| 1083 if (oldsrc !== newsrc) { | |
| 1084 $birdImg.attr('src', newsrc); | |
| 1085 // onload handler re-renders | |
| 1086 } else { | |
| 1087 // re-render | |
| 1088 renderBirdArea(data); | |
| 730 | 1089 // enable click and drag |
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1090 setupBirdDrag(data); |
| 723 | 1091 } |
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1092 }; |
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1093 |
| 625 | 1094 // creates HTML structure for the about view in elem |
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1095 var setupAboutDiv = function (data) { |
| 647 | 1096 var $elem = data.$elem; |
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1097 var settings = data.settings; |
| 625 | 1098 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 616 | 1099 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1100 var $link = $('<a/>'); | |
| 1101 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1102 var $content = $('<p/>'); | |
| 1103 $elem.append($aboutDiv); | |
| 1104 $aboutDiv.append($header); | |
| 1105 $aboutDiv.append($link); | |
| 1106 $aboutDiv.append($content); | |
| 1107 $link.append($logo); | |
| 1108 $logo.attr('src', settings.logoUrl); | |
| 635 | 1109 $link.attr('href', settings.homeUrl); |
| 616 | 1110 $content.text('Version: ' + settings.version); |
| 775 | 1111 data.$aboutDiv = $aboutDiv; |
| 635 | 1112 // click hides |
| 775 | 1113 $aboutDiv.bind('click.digilib', function () { |
| 1114 actions['showAboutDiv'](data, false); | |
| 710 | 1115 }); |
| 634 | 1116 }; |
| 1117 | |
| 635 | 1118 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1119 var showDiv = function (isVisible, $div, show) { | |
| 645 | 1120 if (show == null) { |
| 635 | 1121 // toggle visibility |
| 1122 isVisible = !isVisible; | |
| 1123 } else { | |
| 1124 // set visibility | |
| 1125 isVisible = show; | |
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1126 } |
| 635 | 1127 if (isVisible) { |
| 1128 $div.fadeIn(); | |
| 1129 } else { | |
| 1130 $div.fadeOut(); | |
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1131 } |
| 635 | 1132 return isVisible; |
| 634 | 1133 }; |
| 616 | 1134 |
| 697 | 1135 // display more (or less) button sets |
| 1136 var showButtons = function (data, more, setIdx, animated) { | |
| 711 | 1137 var atime = animated ? 'fast': 0; |
| 697 | 1138 if (more) { |
| 1139 // add set | |
| 1140 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1141 var $set; | |
| 1142 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1143 // set exists | |
| 1144 $set = data.$buttonSets[setIdx]; | |
| 1145 } else { | |
| 1146 $set = createButtons(data, setIdx); | |
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1147 } |
| 697 | 1148 if ($set == null) return false; |
| 765 | 1149 // include border in calculation |
| 1150 var btnWidth = $set.outerWidth(); | |
| 779 | 1151 // console.debug("btnWidth", btnWidth); |
| 697 | 1152 // move remaining sets left and show new set |
| 711 | 1153 if ($otherSets.length > 0) { |
| 1154 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1155 function () {$set.show();}); | |
| 697 | 1156 } else { |
| 1157 $set.show(); | |
| 711 | 1158 } |
| 697 | 1159 } else { |
| 1160 // remove set | |
| 1161 var $set = data.$buttonSets[setIdx]; | |
| 1162 if ($set == null) return false; | |
| 779 | 1163 var btnWidth = $set.outerWidth(); |
| 697 | 1164 // hide last set |
| 1165 $set.hide(); | |
| 1166 // take remaining sets and move right | |
| 1167 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 711 | 1168 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1169 } | |
| 697 | 1170 return true; |
| 1171 }; | |
| 1172 | |
| 765 | 1173 // check for buttons to highlight |
| 1174 var highlightButtons = function (data, name, on) { | |
| 1175 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1176 // add a class for highlighted button | |
| 1177 var highlight = function (name, on) { | |
| 1178 var $button = $buttons.find('div.button-' + name); | |
| 1179 if (on) { | |
| 1180 $button.addClass('button-on'); | |
| 1181 } else { | |
| 1182 $button.removeClass('button-on'); | |
| 1183 } | |
| 1184 }; | |
| 1185 if (name != null) { | |
| 1186 return highlight(name, on); | |
| 1187 } | |
| 1188 var flags = data.scalerFlags; | |
| 1189 var settings = data.settings; | |
| 1190 highlight('rot', settings.rot); | |
| 1191 highlight('brgt', settings.brgt); | |
| 1192 highlight('cont', settings.cont); | |
| 1193 highlight('bird', settings.isBirdDivVisible); | |
| 1194 highlight('help', settings.isAboutDivVisible); | |
| 1195 highlight('hmir', flags.hmir); | |
| 1196 highlight('vmir', flags.vmir); | |
| 766 | 1197 highlight('quality', flags.q1 || flags.q2); |
| 765 | 1198 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1199 }; | |
| 775 | 1200 |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1201 // create Transform from area and $img |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1202 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1203 var picrect = geom.rectangle($img); |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1204 if (mode != null) { |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1205 var imgInfo = data.imgInfo; |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1206 if (mode === 'pixel') { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1207 // scaler mo=clip - image area size does not come from ww, wh |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1208 if (imgInfo != null) { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1209 area.width = picrect.width / imgInfo.width; |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1210 area.height = picrect.height / imgInfo.height; |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1211 } else { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1212 console.error("No image info for pixel mode!"); |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1213 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1214 } |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1215 if (mode === 'size') { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1216 // scaler mo=osize - image area size does not come from ww, wh |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1217 if (imgInfo != null) { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1218 var ddpi = parseFloat(data.settings.ddpi); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1219 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1220 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1221 } else { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1222 console.error("No image info for original size mode!"); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1223 } |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1224 } |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1225 } |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1226 var trafo = geom.transform(); |
| 675 | 1227 // move zoom area offset to center |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1228 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1229 // scale zoom area size to [1,1] |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1230 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1231 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1232 if (rot || hmir || vmir) { | |
| 1233 // move [0.5,0.5] to center | |
| 1234 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1235 if (hmir) { | |
| 1236 // mirror about center | |
| 1237 trafo.concat(trafo.getMirror('y')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1238 } |
| 675 | 1239 if (vmir) { |
| 1240 // mirror about center | |
| 1241 trafo.concat(trafo.getMirror('x')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1242 } |
| 675 | 1243 if (rot) { |
| 1244 // rotate around center | |
| 1245 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1246 } |
| 675 | 1247 // move back |
| 1248 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1249 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1250 // scale to screen position and size |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1251 trafo.concat(trafo.getScale(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1252 trafo.concat(trafo.getTranslation(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1253 return trafo; |
| 655 | 1254 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1255 |
| 767 | 1256 // update scaler image transform |
| 1257 var updateImgTrafo = function (data) { | |
| 1258 var $img = data.$img; | |
| 1259 if ($img != null && $img.get(0).complete) { | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1260 // create Transform from current zoomArea and image size |
| 675 | 1261 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1262 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1263 data.scaleMode, data); |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1264 // console.debug("imgTrafo=", data.imgTrafo); |
| 767 | 1265 } |
| 1266 }; | |
| 775 | 1267 |
| 767 | 1268 // returns function for load event of scaler img |
| 1269 var scalerImgLoadedHandler = function (data) { | |
| 1270 return function () { | |
| 1271 var $img = $(this); | |
| 1272 console.debug("scaler img loaded=",$img); | |
| 1273 var $scaler = data.$scaler; | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1274 var imgRect = geom.rectangle($img); |
| 733 | 1275 // adjust scaler div size |
| 738 | 1276 imgRect.adjustDiv($scaler); |
| 715 | 1277 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1278 $img.css('visibility', 'visible'); |
| 741 | 1279 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1280 // update display (render marks, etc.) |
| 1281 updateDisplay(data); | |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1282 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1283 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1284 |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1285 // returns function for load event of bird's eye view img |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1286 var birdImgLoadedHandler = function (data) { |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1287 return function () { |
| 755 | 1288 var $birdImg = $(this); |
| 1289 var birdRect = geom.rectangle($birdImg); | |
| 1290 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1291 if (birdRect.width === 0) { | |
| 1292 // malheureusement IE7 calls load handler when there is no size info yet | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1293 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 755 | 1294 } |
| 767 | 1295 // update display (zoom area indicator) |
| 1296 updateDisplay(data); | |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1297 }; |
|
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1298 }; |
| 633 | 1299 |
| 1300 // place marks on the image | |
| 1301 var renderMarks = function (data) { | |
| 767 | 1302 if (data.$img == null || data.imgTrafo == null) return; |
| 1303 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 647 | 1304 var $elem = data.$elem; |
| 643 | 1305 var marks = data.marks; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1306 // clear marks |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1307 $elem.find('div.mark').remove(); |
| 633 | 1308 for (var i = 0; i < marks.length; i++) { |
| 1309 var mark = marks[i]; | |
| 643 | 1310 if (data.zoomArea.containsPosition(mark)) { |
| 633 | 1311 var mpos = data.imgTrafo.transform(mark); |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1312 console.debug("renderMarks: mpos=",mpos); |
| 633 | 1313 // create mark |
| 1314 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1315 var $mark = $(html); | |
| 1316 $elem.append($mark); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1317 mpos.adjustDiv($mark); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1318 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1319 } |
| 633 | 1320 }; |
| 655 | 1321 |
|
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1322 // show zoom area indicator on bird's eye view |
| 723 | 1323 var renderBirdArea = function (data) { |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1324 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1325 var $birdZoom = data.$birdZoom; |
| 659 | 1326 var zoomArea = data.zoomArea; |
| 723 | 1327 var normalSize = isFullArea(zoomArea); |
| 1328 if (normalSize) { | |
| 1329 $birdZoom.hide(); | |
| 1330 return; | |
| 1331 } else { | |
| 1332 $birdZoom.show(); | |
| 1333 } | |
| 755 | 1334 // create Transform from current area and picsize |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1335 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 738 | 1336 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 755 | 1337 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 741 | 1338 // acount for border width |
| 775 | 1339 var bw = getBorderWidth($birdZoom); |
| 1340 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1341 if (data.settings.interactionMode === 'fullscreen') { |
|
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1342 // no animation for fullscreen |
| 738 | 1343 zoomRect.adjustDiv($birdZoom); |
| 723 | 1344 } else { |
| 1345 // nice animation for embedded mode :-) | |
| 741 | 1346 // correct offsetParent because animate doesn't use offset |
| 726 | 1347 var ppos = $birdZoom.offsetParent().offset(); |
| 738 | 1348 var dest = { |
| 755 | 1349 left : (zoomRect.x - ppos.left) + 'px', |
| 1350 top : (zoomRect.y - ppos.top) + 'px', | |
| 1351 width : zoomRect.width, | |
| 1352 height : zoomRect.height | |
| 1353 }; | |
| 738 | 1354 $birdZoom.animate(dest); |
| 723 | 1355 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1356 }; |
| 659 | 1357 |
| 647 | 1358 // zooms by the given factor |
| 643 | 1359 var zoomBy = function(data, factor) { |
| 1360 var area = data.zoomArea; | |
| 1361 var newarea = area.copy(); | |
| 1362 // scale | |
| 1363 newarea.width /= factor; | |
| 1364 newarea.height /= factor; | |
| 1365 // and recenter | |
| 1366 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1367 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1368 newarea = FULL_AREA.fit(newarea); |
| 643 | 1369 data.zoomArea = newarea; |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1370 redisplay(data); |
| 643 | 1371 }; |
| 1372 | |
| 647 | 1373 // add a mark where clicked |
| 1374 var setMark = function (data) { | |
| 649 | 1375 var $scaler = data.$scaler; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1376 // unbind other handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1377 $scaler.unbind(".dlZoomDrag"); |
| 647 | 1378 // start event capturing |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1379 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 647 | 1380 // event handler adding a new mark |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1381 console.log("setmark at=", evt); |
|
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1382 var mpos = geom.position(evt); |
| 647 | 1383 var pos = data.imgTrafo.invtransform(mpos); |
| 1384 data.marks.push(pos); | |
| 1385 redisplay(data); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1386 return false; |
| 647 | 1387 }); |
| 1388 }; | |
| 668 | 1389 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1390 // zoom to the area around two clicked points |
| 654 | 1391 var zoomArea = function(data) { |
| 1392 $elem = data.$elem; | |
| 1393 $scaler = data.$scaler; | |
| 1394 var pt1, pt2; | |
| 1395 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1396 $elem.append($zoomDiv); | |
| 775 | 1397 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 654 | 1398 var picRect = geom.rectangle($scaler); |
| 1399 // FIX ME: is there a way to query the border width from CSS info? | |
| 1400 // rect.x -= 2; // account for overlay borders | |
| 1401 // rect.y -= 2; | |
| 1402 | |
| 1403 var zoomStart = function (evt) { | |
| 1404 pt1 = geom.position(evt); | |
| 1405 // setup and show zoom div | |
| 738 | 1406 pt1.adjustDiv($zoomDiv); |
| 668 | 1407 $zoomDiv.width(0).height(0); |
| 654 | 1408 $zoomDiv.show(); |
| 1409 // register events | |
| 738 | 1410 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1411 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1412 return false; |
| 1413 }; | |
| 668 | 1414 |
| 741 | 1415 // mouse move handler |
| 1416 var zoomMove = function (evt) { | |
| 1417 pt2 = geom.position(evt); | |
| 1418 var rect = geom.rectangle(pt1, pt2); | |
| 1419 rect.clipTo(picRect); | |
| 1420 // update zoom div | |
| 1421 rect.adjustDiv($zoomDiv); | |
| 1422 return false; | |
| 1423 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1424 |
| 654 | 1425 // mouseup handler: end moving |
| 1426 var zoomEnd = function (evt) { | |
| 1427 pt2 = geom.position(evt); | |
| 1428 // assume a click and continue if the area is too small | |
| 1429 var clickRect = geom.rectangle(pt1, pt2); | |
| 710 | 1430 if (clickRect.getArea() <= 5) return false; |
| 654 | 1431 // hide zoom div |
| 1432 $zoomDiv.remove(); | |
| 1433 // unregister events | |
| 738 | 1434 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1435 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1436 // clip and transform |
| 1437 clickRect.clipTo(picRect); | |
| 1438 var area = data.imgTrafo.invtransform(clickRect); | |
| 1439 data.zoomArea = area; | |
| 1440 // zoomed is always fit | |
| 1441 data.settings.ws = 1; | |
| 738 | 1442 delete data.dlOpts.fitwidth; |
| 1443 delete data.dlOpts.fitheight; | |
| 654 | 1444 redisplay(data); |
| 1445 return false; | |
| 1446 }; | |
| 668 | 1447 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1448 // clear old handler (also ZoomDrag) |
| 738 | 1449 $scaler.unbind('.dlZoomArea'); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1450 $scaler.unbind(".dlZoomDrag"); |
| 738 | 1451 $elem.unbind('.dlZoomArea'); |
| 654 | 1452 // bind start zoom handler |
| 738 | 1453 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 654 | 1454 }; |
| 647 | 1455 |
| 723 | 1456 // bird's eye view zoom area click and drag handler |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1457 var setupBirdDrag = function(data) { |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1458 var $birdImg = data.$birdImg; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1459 var $birdZoom = data.$birdZoom; |
| 730 | 1460 var $document = $(document); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1461 var $scaler = data.$scaler; |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1462 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 775 | 1463 var bw = getBorderWidth($birdZoom); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1464 |
| 741 | 1465 // mousedown handler: start dragging bird zoom to a new position |
| 1466 var birdZoomStartDrag = function(evt) { | |
| 1467 startPos = geom.position(evt); | |
| 1468 // position may have changed | |
| 1469 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1470 birdImgRect = geom.rectangle($birdImg); | |
| 1471 birdZoomRect = geom.rectangle($birdZoom); | |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1472 scalerPos = geom.position($scaler); |
| 741 | 1473 newRect = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1474 fullRect = setZoomBG(data); // setup zoom background image |
| 741 | 1475 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1476 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1477 return false; | |
| 1478 }; | |
| 1479 | |
| 733 | 1480 // mousemove handler: drag |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1481 var birdZoomMove = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1482 var pos = geom.position(evt); |
| 730 | 1483 var delta = startPos.delta(pos); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1484 // move birdZoom div, keeping size |
| 730 | 1485 newRect = birdZoomRect.copy(); |
| 733 | 1486 newRect.addPosition(delta); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1487 newRect.stayInside(birdImgRect); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1488 // reflect birdview zoom position in scaler image |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1489 var area = data.birdTrafo.invtransform(newRect); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1490 var imgArea = data.imgTrafo.transform(area); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1491 var offset = imgArea.getPosition().neg(); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1492 offset.add(scalerPos); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1493 if (fullRect) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1494 var bgPos = fullRect.getPosition().add(offset); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1495 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1496 var bgPos = offset; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1497 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1498 // move the background image to the new position |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1499 data.$scaler.css({ |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1500 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1501 }); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1502 // acount for border width |
| 775 | 1503 newRect.addPosition({x : -bw, y : -bw}); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1504 newRect.adjustDiv($birdZoom); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1505 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1506 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1507 |
| 733 | 1508 // mouseup handler: reload page |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1509 var birdZoomEndDrag = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1510 var settings = data.settings; |
| 730 | 1511 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1512 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1513 if (newRect == null) { | |
| 1514 // no movement happened - set center to click position | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1515 startPos = birdZoomRect.getCenter(); |
| 730 | 1516 birdZoomMove(evt); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1517 } |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1518 // ugly, but needed to prevent double border width compensation |
| 775 | 1519 newRect.addPosition({x : bw, y : bw}); |
| 730 | 1520 var newArea = data.birdTrafo.invtransform(newRect); |
| 1521 data.zoomArea = newArea; | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1522 redisplay(data); |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1523 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1524 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1525 |
| 730 | 1526 // clear old handler |
| 1527 $document.unbind(".dlBirdMove"); | |
| 1528 $birdImg.unbind(".dlBirdMove"); | |
| 1529 $birdZoom.unbind(".dlBirdMove"); | |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1530 if (! isFullArea(data.zoomArea)) { |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1531 // set new handler |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1532 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1533 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1534 } |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1535 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1536 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1537 // move bird zoom indicator to reflect zoomed detail area |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1538 var setBirdZoom = function(data, rect) { |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1539 var part = data.imgTrafo.invtransform(rect); |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1540 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1541 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1542 var birdRect = birdTrafo.transform(part); |
| 775 | 1543 var $birdZoom = data.$birdZoom; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1544 // acount for border width |
| 775 | 1545 var bw = getBorderWidth($birdZoom); |
| 1546 birdRect.addPosition({x : -bw, y : -bw}); | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1547 birdRect.adjustDiv(data.$birdZoom); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1548 }; |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1549 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1550 // set zoom background |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1551 var setZoomBG = function(data) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1552 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1553 var $img = data.$img; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1554 var fullRect = null; |
| 767 | 1555 // hide marks |
| 1556 data.$elem.find('div.mark').hide(); | |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1557 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1558 $img.css('visibility', 'hidden'); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1559 var scalerCss = { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1560 'background-image' : 'url(' + $img.attr('src') + ')', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1561 'background-repeat' : 'no-repeat', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1562 'background-position' : 'left top', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1563 'opacity' : '0.5', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1564 'cursor' : 'move' |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1565 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1566 if (data.hasBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1567 // full-size background using CSS3-background-size |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1568 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1569 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1570 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1571 var scalerPos = geom.position($scaler); |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1572 fullRect.addPosition(scalerPos.neg()); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1573 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1574 scalerCss['background-image'] = 'url(' + url + ')'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1575 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1576 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1577 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1578 // too big |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1579 fullRect = null; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1580 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1581 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1582 $scaler.css(scalerCss); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1583 // isBgReady = true; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1584 return fullRect; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1585 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1586 |
| 738 | 1587 // setup handlers for dragging the zoomed image |
| 705 | 1588 var setupZoomDrag = function(data) { |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1589 var startPos, delta, fullRect; |
| 733 | 1590 var $document = $(document); |
| 705 | 1591 var $elem = data.$elem; |
| 1592 var $scaler = data.$scaler; | |
| 1593 var $img = data.$img; | |
| 710 | 1594 |
| 733 | 1595 // drag the image and load a new detail on mouse up |
| 705 | 1596 var dragStart = function (evt) { |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1597 console.debug("dragstart at=",evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1598 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1599 if (isFullArea(data.zoomArea)) return false; |
| 733 | 1600 startPos = geom.position(evt); |
| 741 | 1601 delta = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1602 // set low res background immediately on mousedown |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1603 fullRect = setZoomBG(data); |
| 733 | 1604 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1605 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1606 return false; |
| 705 | 1607 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1608 |
| 733 | 1609 // mousemove handler: drag zoomed image |
| 705 | 1610 var dragMove = function (evt) { |
| 1611 var pos = geom.position(evt); | |
| 741 | 1612 delta = startPos.delta(pos); |
| 1613 if (fullRect) { | |
| 1614 var bgPos = fullRect.getPosition().add(delta); | |
| 1615 } else { | |
| 1616 var bgPos = delta; | |
| 1617 } | |
| 705 | 1618 // move the background image to the new position |
| 715 | 1619 $scaler.css({ |
| 741 | 1620 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 705 | 1621 }); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1622 // set birdview indicator to reflect new zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1623 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1624 za.addPosition(delta.neg()); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1625 setBirdZoom(data, za); |
| 705 | 1626 return false; |
| 1627 }; | |
| 710 | 1628 |
| 733 | 1629 // mouseup handler: reload zoomed image in new position |
| 705 | 1630 var dragEnd = function (evt) { |
| 739 | 1631 $scaler.css('cursor', 'auto'); |
| 733 | 1632 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1633 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1634 if (delta == null || delta.distance() < 2) { | |
| 1635 // no movement | |
| 1636 $img.css('visibility', 'visible'); | |
| 741 | 1637 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1638 // unhide marks |
| 1639 data.$elem.find('div.mark').show(); | |
| 733 | 1640 return false; |
| 1641 } | |
| 1642 // get old zoom area (screen coordinates) | |
| 741 | 1643 var za = geom.rectangle($img); |
| 733 | 1644 // move |
| 741 | 1645 za.addPosition(delta.neg()); |
| 733 | 1646 // transform back |
| 1647 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1648 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1649 redisplay(data); |
| 705 | 1650 return false; |
| 1651 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1652 |
| 733 | 1653 // clear old handler |
| 1654 $document.unbind(".dlZoomDrag"); | |
| 741 | 1655 $scaler.unbind(".dlZoomDrag"); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1656 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1657 // set handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1658 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1659 } |
| 705 | 1660 }; |
| 1661 | |
| 703 | 1662 // get image quality as a number (0..2) |
| 1663 var getQuality = function (data) { | |
| 1664 var flags = data.scalerFlags; | |
| 1665 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1666 return parseInt(q[1], 10); | |
| 706 | 1667 }; |
| 703 | 1668 |
| 1669 // set image quality as a number (0..2) | |
| 1670 var setQuality = function (data, qual) { | |
| 1671 var flags = data.scalerFlags; | |
| 1672 // clear flags | |
| 1673 for (var i = 0; i < 3; ++i) { | |
| 1674 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1675 } |
| 703 | 1676 flags['q'+qual] = 'q'+qual; |
| 706 | 1677 }; |
| 710 | 1678 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1679 // get image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1680 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1681 if (data.scalerFlags.clip != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1682 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1683 } else if (data.scalerFlags.osize != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1684 return 'size'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1685 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1686 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1687 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1688 }; |
| 775 | 1689 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1690 // set image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1691 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1692 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1693 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1694 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1695 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1696 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1697 } else if (mode === 'size') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1698 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1699 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1700 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1701 }; |
| 775 | 1702 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1703 // sets a key to a value (relative values with +/- if relative=true) |
| 650 | 1704 var setNumValue = function(settings, key, value) { |
| 716 | 1705 if (value == null) return null; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1706 if (isNumber(value)) { |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1707 settings[key] = value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1708 return value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1709 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1710 var sign = value[0]; |
| 650 | 1711 if (sign === '+' || sign === '-') { |
| 1712 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1713 // this isn't perfect but still... |
| 650 | 1714 settings[key] = 0; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1715 } |
| 650 | 1716 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1717 } else { | |
| 1718 settings[key] = value; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1719 } |
| 650 | 1720 return settings[key]; |
| 1721 }; | |
| 655 | 1722 |
| 775 | 1723 // auxiliary function, assuming equal border width on all sides |
| 1724 var getBorderWidth = function($elem) { | |
| 1725 var border = $elem.outerWidth() - $elem.width(); | |
| 1726 return border/2; | |
| 1727 }; | |
| 1728 | |
| 655 | 1729 // auxiliary function (from old dllib.js) |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1730 var isFullArea = function(area) { |
| 659 | 1731 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1732 }; |
| 1733 | |
| 641 | 1734 // auxiliary function (from Douglas Crockford, A.10) |
| 1735 var isNumber = function isNumber(value) { | |
| 710 | 1736 return typeof value === 'number' && isFinite(value); |
| 641 | 1737 }; |
| 655 | 1738 |
| 631 | 1739 // auxiliary function to crop senseless precision |
| 1740 var cropFloat = function (x) { | |
| 637 | 1741 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1742 }; |
| 655 | 1743 |
| 692 | 1744 // fallback for console.log calls |
| 1745 if (customConsole) { | |
| 1746 var logFunction = function(type) { | |
| 1747 return function(){ | |
| 1748 var $debug = $('#debug'); // debug div | |
| 1749 if (!$debug) return; | |
| 1750 var args = Array.prototype.slice.call(arguments); | |
| 1751 var argtext = args.join(' '); | |
| 1752 var $logDiv = $('<div/>'); | |
| 1753 $logDiv.addClass(type); | |
| 1754 $logDiv.text(argtext); | |
| 1755 $debug.append($logDiv); | |
| 1756 }; | |
| 1757 }; | |
| 1758 console.log = logFunction('_log'); | |
| 1759 console.debug = logFunction('_debug'); | |
| 1760 console.error = logFunction('_error'); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1761 } |
| 692 | 1762 |
| 605 | 1763 // hook plugin into jquery |
| 785 | 1764 $.fn.digilib = function (action) { |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1765 // plugin extension mechanism |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1766 if (action === 'extendPlugin') { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1767 // for each digilib $elem extend data.settings with obj.options |
| 778 | 1768 // TODO: couldn't other plugins just access $elem.data('digilib')? |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1769 if (obj.options) { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1770 this.each(function() { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1771 var $elem = $(this); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1772 // console.debug('extending:', $elem); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1773 var data = $elem.data('digilib'); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1774 if (!data) { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1775 return console.log('cannot extend digilib plugin, element not initialised!'); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1776 } |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1777 var settings = data.settings; |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1778 $.extend(settings, obj.options); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1779 // console.log('settings:', settings); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1780 }); |
| 778 | 1781 delete(obj.options); |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1782 } |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1783 // extend the plugin actions (to make this useful, |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1784 // maybe we need to expose some more internal functions) |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1785 $.extend(actions, obj); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1786 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1787 // call action on this with the remaining arguments (inserting data as first argument) |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1788 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1789 var data = $elem.data('digilib'); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1790 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1791 args.unshift(data); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1792 return actions[action].apply(this, args); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1793 } else if (typeof(action) === 'object' || !action) { |
| 634 | 1794 // call init on this |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1795 return actions.init.apply(this, arguments); |
| 605 | 1796 } else { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1797 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1798 } |
| 605 | 1799 }; |
| 692 | 1800 |
| 604 | 1801 })(jQuery); |