Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 765:8d5239d7b1d4 jquery
state indicators for buttons
| author | hertzhaft |
|---|---|
| date | Thu, 10 Feb 2011 16:56:48 +0100 |
| parents | 31664707999e |
| children | 1eef11308195 |
| 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 |
| 655 | 24 |
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25 /* jslint browser: true, debug: true, forin: true |
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26 */ |
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27 |
| 636 | 28 // fallback for console.log calls |
| 29 if (typeof(console) === 'undefined') { | |
| 30 var console = { | |
| 692 | 31 log : function(){}, |
| 32 debug : function(){}, | |
| 33 error : function(){} | |
| 34 }; | |
| 35 var customConsole = true; | |
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36 } |
| 604 | 37 |
| 38 (function($) { | |
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39 var buttons = { |
| 610 | 40 reference : { |
| 689 | 41 onclick : "reference", |
| 610 | 42 tooltip : "get a reference URL", |
| 765 | 43 icon : "reference.png" |
| 610 | 44 }, |
| 45 zoomin : { | |
| 643 | 46 onclick : ["zoomBy", 1.4], |
| 610 | 47 tooltip : "zoom in", |
| 765 | 48 icon : "zoom-in.png" |
| 610 | 49 }, |
| 50 zoomout : { | |
| 643 | 51 onclick : ["zoomBy", 0.7], |
| 610 | 52 tooltip : "zoom out", |
| 765 | 53 icon : "zoom-out.png" |
| 610 | 54 }, |
| 55 zoomarea : { | |
| 654 | 56 onclick : "zoomArea", |
| 610 | 57 tooltip : "zoom area", |
| 765 | 58 icon : "zoom-area.png" |
| 610 | 59 }, |
| 60 zoomfull : { | |
| 650 | 61 onclick : "zoomFull", |
| 610 | 62 tooltip : "view the whole image", |
| 765 | 63 icon : "zoom-full.png" |
| 610 | 64 }, |
| 65 pagewidth : { | |
| 650 | 66 onclick : ["zoomFull", "width"], |
| 610 | 67 tooltip : "page width", |
| 765 | 68 icon : "pagewidth.png" |
| 610 | 69 }, |
| 70 back : { | |
| 623 | 71 onclick : ["gotoPage", "-1"], |
| 610 | 72 tooltip : "goto previous image", |
| 765 | 73 icon : "back.png" |
| 610 | 74 }, |
| 75 fwd : { | |
| 623 | 76 onclick : ["gotoPage", "+1"], |
| 610 | 77 tooltip : "goto next image", |
| 765 | 78 icon : "fwd.png" |
| 610 | 79 }, |
| 80 page : { | |
| 716 | 81 onclick : "gotoPage", |
| 82 tooltip : "goto image number", | |
| 765 | 83 icon : "page.png" |
| 610 | 84 }, |
| 85 bird : { | |
| 635 | 86 onclick : "showBirdDiv", |
| 610 | 87 tooltip : "show bird's eye view", |
| 765 | 88 icon : "birds-eye.png" |
| 610 | 89 }, |
| 90 help : { | |
| 635 | 91 onclick : "showAboutDiv", |
| 610 | 92 tooltip : "about Digilib", |
| 765 | 93 icon : "help.png" |
| 610 | 94 }, |
| 95 reset : { | |
| 688 | 96 onclick : "reset", |
| 610 | 97 tooltip : "reset image", |
| 765 | 98 icon : "reset.png" |
| 610 | 99 }, |
| 100 mark : { | |
| 647 | 101 onclick : "setMark", |
| 610 | 102 tooltip : "set a mark", |
| 765 | 103 icon : "mark.png" |
| 610 | 104 }, |
| 105 delmark : { | |
| 650 | 106 onclick : "removeMark", |
| 610 | 107 tooltip : "delete the last mark", |
| 765 | 108 icon : "delmark.png" |
| 610 | 109 }, |
| 110 hmir : { | |
| 661 | 111 onclick : ["mirror", "h"], |
| 610 | 112 tooltip : "mirror horizontally", |
| 765 | 113 icon : "mirror-horizontal.png" |
| 610 | 114 }, |
| 115 vmir : { | |
| 661 | 116 onclick : ["mirror", "v"], |
| 610 | 117 tooltip : "mirror vertically", |
| 765 | 118 icon : "mirror-vertical.png" |
| 610 | 119 }, |
| 120 rot : { | |
| 663 | 121 onclick : "rotate", |
| 610 | 122 tooltip : "rotate image", |
| 765 | 123 icon : "rotate.png" |
| 610 | 124 }, |
| 125 brgt : { | |
| 663 | 126 onclick : "brightness", |
| 610 | 127 tooltip : "set brightness", |
| 765 | 128 icon : "brightness.png" |
| 610 | 129 }, |
| 130 cont : { | |
| 663 | 131 onclick : "contrast", |
| 610 | 132 tooltip : "set contrast", |
| 765 | 133 icon : "contrast.png" |
| 610 | 134 }, |
| 135 rgb : { | |
| 136 onclick : "javascript:setParamWin('rgb', '...')", | |
| 137 tooltip : "set rgb values", | |
| 765 | 138 icon : "rgb.png" |
| 610 | 139 }, |
| 140 quality : { | |
| 748 | 141 onclick : "setQuality", |
| 610 | 142 tooltip : "set image quality", |
| 765 | 143 icon : "quality.png" |
| 610 | 144 }, |
| 145 size : { | |
| 146 onclick : "javascript:toggleSizeMenu()", | |
| 147 tooltip : "set page size", | |
| 765 | 148 icon : "size.png" |
| 610 | 149 }, |
| 150 calibrationx : { | |
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151 onclick : "calibrate", |
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152 tooltip : "calibrate screen resolution", |
| 765 | 153 icon : "calibration-x.png" |
| 610 | 154 }, |
| 155 scale : { | |
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156 onclick : "setScaleMode", |
| 610 | 157 tooltip : "change image scale", |
| 765 | 158 icon : "original-size.png" |
| 610 | 159 }, |
| 699 | 160 toggleoptions : { |
| 748 | 161 onclick : "moreButtons", |
| 699 | 162 tooltip : "more options", |
| 765 | 163 icon : "options.png" |
| 699 | 164 }, |
| 690 | 165 moreoptions : { |
| 748 | 166 onclick : ["moreButtons", "+1"], |
| 690 | 167 tooltip : "more options", |
| 765 | 168 icon : "options.png" |
| 690 | 169 }, |
| 170 lessoptions : { | |
| 748 | 171 onclick : ["moreButtons", "-1"], |
| 690 | 172 tooltip : "less options", |
| 765 | 173 icon : "options.png" |
| 610 | 174 }, |
| 175 SEP : { | |
| 765 | 176 icon : "sep.png" |
| 610 | 177 } |
| 178 }; | |
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179 |
| 605 | 180 var defaults = { |
| 616 | 181 // version of this script |
| 635 | 182 'version' : 'jquery.digilib.js 0.9', |
| 616 | 183 // logo url |
| 184 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 635 | 185 // homepage url (behind logo) |
| 186 'homeUrl' : 'http://digilib.berlios.de', | |
| 744 | 187 // base URL to digilib viewer (for reference URLs) |
| 188 'digilibBaseUrl' : null, | |
| 610 | 189 // base URL to Scaler servlet |
| 652 | 190 'scalerBaseUrl' : null, |
| 610 | 191 // list of Scaler parameters |
| 627 | 192 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 193 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 194 // Scaler parameter defaults | |
| 643 | 195 'pn' : 1, |
| 627 | 196 'ww' : 1.0, |
| 197 'wh' : 1.0, | |
| 198 'wx' : 0.0, | |
| 199 'wy' : 0.0, | |
| 200 'ws' : 1.0, | |
| 643 | 201 'mo' : '', |
| 202 'rot' : 0, | |
| 203 'cont' : 0, | |
| 204 'brgt' : 0, | |
| 205 'rgbm' : '0/0/0', | |
| 206 'rgba' : '0/0/0', | |
| 207 'ddpi' : null, | |
| 208 'ddpix' : null, | |
| 209 'ddpiy' : null, | |
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210 // list of digilib parameters |
| 650 | 211 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','mk','clop'], |
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212 // digilib parameter defaults |
| 643 | 213 'mk' : '', |
| 650 | 214 'clop' : '', |
| 643 | 215 // mode of operation: |
| 216 // fullscreen = take parameters from page URL, keep state in page URL | |
| 217 // embedded = take parameters from Javascript options, keep state inside object | |
| 610 | 218 'interactionMode' : 'fullscreen', |
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219 // buttons |
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220 'buttons' : buttons, |
| 668 | 221 // defaults for digilib buttons |
| 665 | 222 'buttonSettings' : { |
| 223 'fullscreen' : { | |
| 668 | 224 // path to button images (must end with a slash) |
| 665 | 225 'imagePath' : 'img/fullscreen/', |
| 721 | 226 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
| 227 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
| 682 | 228 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 229 }, |
| 230 'embedded' : { | |
| 231 'imagePath' : 'img/embedded/16/', | |
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232 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
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233 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","toggleoptions"], |
| 682 | 234 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 235 } |
| 697 | 236 }, |
| 765 | 237 |
| 697 | 238 // number of visible button groups |
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239 'visibleButtonSets' : 1, |
| 616 | 240 // is birdView shown? |
| 241 'isBirdDivVisible' : false, | |
| 668 | 242 // dimensions of bird's eye div |
| 674 | 243 'birdDivWidth' : 200, |
| 244 'birdDivHeight' : 200, | |
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245 // parameters used by bird's eye div |
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246 'birdDivParams' : ['fn','pn','dw','dh'], |
| 668 | 247 // style of the zoom area indicator in the bird's eye div |
| 659 | 248 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, |
| 668 | 249 // style of zoom area "rubber band" |
| 250 'zoomrectStyle' : {'border' : '2px solid #ff0000' }, | |
| 616 | 251 // is the "about" window shown? |
| 741 | 252 'isAboutDivVisible' : false, |
| 253 // maximum width of background image for drag-scroll | |
| 254 'maxBgSize' : 10000 | |
| 616 | 255 |
| 610 | 256 }; |
| 655 | 257 |
| 608 | 258 // affine geometry classes |
| 259 var geom = dlGeometry(); | |
| 655 | 260 |
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261 var FULL_AREA = geom.rectangle(0, 0, 1, 1); |
| 655 | 262 |
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263 var actions = { |
| 668 | 264 // init: digilib initialization |
| 265 init : function(options) { | |
| 266 // settings for this digilib instance are merged from defaults and options | |
| 267 var settings = $.extend({}, defaults, options); | |
| 268 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 269 var queryParams = {}; | |
| 270 if (isFullscreen) { | |
| 271 queryParams = parseQueryParams(); | |
| 272 // check scalerBaseUrl | |
| 273 if (settings.scalerBaseUrl == null) { | |
| 274 // try the host this came from | |
| 275 var h = window.location.host; | |
| 276 if (window.location.host) { | |
| 277 var url = window.location.href; | |
| 278 // assume the page lives in [webapp]/jquery/ | |
| 279 var pos = url.indexOf('jquery/'); | |
| 280 if (pos > 0) { | |
| 281 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 652 | 282 } |
| 283 } | |
| 636 | 284 } |
| 668 | 285 } |
| 286 return this.each(function() { | |
| 287 var $elem = $(this); | |
| 288 var data = $elem.data('digilib'); | |
| 688 | 289 var params, elemSettings; |
| 668 | 290 // if the plugin hasn't been initialized yet |
| 291 if (!data) { | |
| 292 // merge query parameters | |
| 293 if (isFullscreen) { | |
| 688 | 294 params = queryParams; |
| 668 | 295 } else { |
| 688 | 296 params = parseImgParams($elem); |
| 727 | 297 if (jQuery.cookie) { |
| 298 // retrieve params from cookie | |
| 299 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 300 var cs = jQuery.cookie(ck); | |
| 301 console.debug("get cookie=", ck, " value=", cs); | |
| 302 if (cs) { | |
| 303 var cp = parseQueryString(cs); | |
| 728 | 304 // ignore fn and pn from cookie TODO: should we keep pn? |
| 305 delete cp.fn; | |
| 306 delete cp.pn; | |
| 307 jQuery.extend(params, cp); | |
| 727 | 308 } |
| 309 } | |
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310 } |
| 668 | 311 // store $(this) element in the settings |
| 728 | 312 elemSettings = jQuery.extend({}, settings, params); |
| 697 | 313 data = { |
| 668 | 314 $elem : $elem, |
| 315 settings : elemSettings, | |
| 688 | 316 queryParams : params |
| 668 | 317 }; |
| 318 // store in data element | |
| 319 $elem.data('digilib', data); | |
| 320 } | |
| 321 unpackParams(data); | |
| 744 | 322 // check if browser knows *background-size |
| 741 | 323 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 324 if ($elem.css(bs+'background-size')) { | |
| 325 data.hasBgSize = true; | |
| 326 data.bgSizeName = bs+'background-size'; | |
| 327 break; | |
| 328 } | |
| 329 } | |
| 744 | 330 // check digilib base URL |
| 331 if (elemSettings.digilibBaseUrl == null) { | |
| 332 if (isFullscreen) { | |
| 333 // take current host | |
| 334 var url = window.location.toString(); | |
| 335 var pos = url.indexOf('?'); | |
| 336 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 337 } else { | |
| 338 var url = elemSettings.scalerBaseUrl; | |
| 339 if (url) { | |
| 340 // build it from scaler URL | |
| 341 var bp = url.indexOf('/servlet/Scaler'); | |
| 765 | 342 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 744 | 343 } |
| 344 } | |
| 345 } | |
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346 // get image info from server if needed |
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347 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
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348 getImageInfo(data); // TODO: onload callback |
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349 } |
| 682 | 350 // create HTML structure for scaler |
| 668 | 351 setupScalerDiv(data); |
| 697 | 352 // add buttons |
| 353 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
| 354 showButtons(data, true, i); | |
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355 } |
| 765 | 356 highlightButtons(data); |
| 668 | 357 // bird's eye view creation |
| 710 | 358 if (elemSettings.isBirdDivVisible) { |
| 638 | 359 setupBirdDiv(data); |
| 723 | 360 data.$birdDiv.show(); |
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361 } |
| 668 | 362 // about window creation - TODO: could be deferred? restrict to only one item? |
| 363 setupAboutDiv(data); | |
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364 // drag zoom area around in scaler div |
| 755 | 365 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 668 | 366 }); |
| 367 }, | |
| 368 | |
| 369 // destroy: clean up digilib | |
| 370 destroy : function(data) { | |
| 371 return this.each(function(){ | |
| 372 var $elem = $(this); | |
| 373 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 374 data.digilib.remove(); | |
| 375 $elem.removeData('digilib'); | |
| 376 }); | |
| 377 }, | |
| 378 | |
| 379 // show or hide the 'about' window | |
| 380 showAboutDiv : function(data, show) { | |
| 765 | 381 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 382 data.settings.isAboutDivVisible = on; | |
| 383 highlightButtons(data, 'help', on); | |
| 668 | 384 }, |
| 655 | 385 |
| 668 | 386 // event handler: toggles the visibility of the bird's eye window |
| 387 showBirdDiv : function (data, show) { | |
| 726 | 388 var settings = data.settings; |
| 668 | 389 if (data.$birdDiv == null) { |
| 390 // no bird div -> create | |
| 391 setupBirdDiv(data); | |
| 392 } | |
| 765 | 393 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 394 settings.isBirdDivVisible = on; | |
| 395 highlightButtons(data, 'bird', on); | |
| 726 | 396 updateBirdDiv(data); |
| 723 | 397 storeOptions(data); |
| 668 | 398 }, |
| 399 | |
| 400 // goto given page nr (+/-: relative) | |
| 401 gotoPage : function (data, pageNr) { | |
| 402 var settings = data.settings; | |
| 403 var oldpn = settings.pn; | |
| 716 | 404 if (pageNr == null) { |
| 405 pageNr = window.prompt("Goto page number", oldpn); | |
| 406 } | |
| 668 | 407 var pn = setNumValue(settings, "pn", pageNr); |
| 408 if (pn == null) return false; // nothing happened | |
| 409 if (pn < 1) { | |
| 410 alert("no such page (page number too low)"); | |
| 411 settings.pn = oldpn; | |
| 412 return false; | |
| 413 } | |
| 414 if (settings.pt) { | |
| 415 if (pn > settings.pt) { | |
| 416 alert("no such page (page number too high)"); | |
| 623 | 417 settings.pn = oldpn; |
| 418 return false; | |
| 634 | 419 } |
| 668 | 420 } |
| 421 // reset mk and others(?) | |
| 422 data.marks = []; | |
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423 data.zoomArea = FULL_AREA; |
| 668 | 424 // then reload |
| 425 redisplay(data); | |
| 426 }, | |
| 654 | 427 |
| 668 | 428 // zoom by a given factor |
| 429 zoomBy : function (data, factor) { | |
| 430 zoomBy(data, factor); | |
| 431 }, | |
| 647 | 432 |
| 668 | 433 // zoom interactively |
| 434 zoomArea : function (data) { | |
| 435 zoomArea(data); | |
| 436 }, | |
| 650 | 437 |
| 668 | 438 // zoom out to full page |
| 439 zoomFull : function (data, mode) { | |
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440 data.zoomArea = FULL_AREA; |
| 668 | 441 if (mode === 'width') { |
| 442 data.dlOpts.fitwidth = 1; | |
| 443 delete data.dlOpts.fitheight; | |
| 444 } else if (mode === 'height') { | |
| 445 data.dlOpts.fitheight = 1; | |
| 446 delete data.dlOpts.fitwidth; | |
| 447 } else { | |
| 448 delete data.dlOpts.fitwidth; | |
| 449 delete data.dlOpts.fitheight; | |
| 450 } | |
| 451 redisplay(data); | |
| 452 }, | |
| 453 | |
| 454 // set a mark by clicking (or giving a position) | |
| 455 setMark : function (data, mpos) { | |
| 456 if (mpos == null) { | |
| 457 // interactive | |
| 458 setMark(data); | |
| 459 } else { | |
| 460 // use position | |
| 461 data.marks.push(pos); | |
| 663 | 462 redisplay(data); |
| 604 | 463 } |
| 668 | 464 }, |
| 465 | |
| 466 // remove the last mark | |
| 467 removeMark : function (data) { | |
| 468 data.marks.pop(); | |
| 469 redisplay(data); | |
| 470 }, | |
| 471 | |
| 472 // mirror the image | |
| 473 mirror : function (data, mode) { | |
| 474 var flags = data.scalerFlags; | |
| 475 if (mode === 'h') { | |
| 476 if (flags.hmir) { | |
| 477 delete flags.hmir; | |
| 478 } else { | |
| 479 flags.hmir = 1; | |
| 480 } | |
| 481 } else { | |
| 482 if (flags.vmir) { | |
| 483 delete flags.vmir; | |
| 484 } else { | |
| 485 flags.vmir = 1; | |
| 486 } | |
| 487 } | |
| 488 redisplay(data); | |
| 489 }, | |
| 650 | 490 |
| 668 | 491 // rotate the image |
| 492 rotate : function (data, angle) { | |
| 493 var rot = data.settings.rot; | |
| 494 if (angle == null) { | |
| 495 angle = window.prompt("Rotation angle:", rot); | |
| 496 } | |
| 497 data.settings.rot = angle; | |
| 498 redisplay(data); | |
| 499 }, | |
| 500 | |
| 501 // change brightness | |
| 502 brightness : function (data, factor) { | |
| 503 var brgt = data.settings.brgt; | |
| 504 if (factor == null) { | |
| 505 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 506 } | |
| 507 data.settings.brgt = factor; | |
| 508 redisplay(data); | |
| 509 }, | |
| 510 | |
| 511 // change contrast | |
| 512 contrast : function (data, factor) { | |
| 513 var cont = data.settings.cont; | |
| 514 if (factor == null) { | |
| 515 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 516 } | |
| 517 data.settings.cont = factor; | |
| 518 redisplay(data); | |
| 688 | 519 }, |
| 710 | 520 |
| 690 | 521 // display more (or less) button sets |
| 748 | 522 moreButtons : function (data, more) { |
| 696 | 523 var settings = data.settings; |
| 699 | 524 if (more == null) { |
| 703 | 525 // toggle more or less (only works for 2 sets) |
| 699 | 526 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 527 if (settings.visibleButtonSets >= maxbtns) { | |
| 528 more = '-1'; | |
| 529 } else { | |
| 530 more = '+1'; | |
| 531 } | |
| 532 } | |
| 690 | 533 if (more === '-1') { |
| 534 // remove set | |
| 697 | 535 var setIdx = settings.visibleButtonSets - 1; |
| 536 if (showButtons(data, false, setIdx, true)) { | |
| 537 settings.visibleButtonSets--; | |
| 538 } | |
| 690 | 539 } else { |
| 540 // add set | |
| 697 | 541 var setIdx = settings.visibleButtonSets; |
| 542 if (showButtons(data, true, setIdx, true)) { | |
| 543 settings.visibleButtonSets++; | |
| 690 | 544 } |
| 545 } | |
| 723 | 546 // persist setting |
| 547 storeOptions(data); | |
| 691 | 548 }, |
| 688 | 549 |
| 703 | 550 // reset image parameters to defaults |
| 688 | 551 reset : function (data) { |
| 552 var settings = data.settings; | |
| 553 var paramNames = settings.digilibParamNames; | |
| 554 var params = data.queryParams; | |
| 555 // delete all digilib parameters | |
| 556 for (var i = 0; i < paramNames.length; i++) { | |
| 557 var paramName = paramNames[i]; | |
| 558 delete settings[paramName]; | |
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559 } |
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560 settings.fn = params.fn || ''; // no default defined |
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561 settings.pn = params.pn || defaults.pn; |
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562 settings.dw = params.dw; |
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563 settings.dh = params.dh; |
| 709 | 564 settings.isBirdDivVisible = false; |
| 565 settings.visibleButtonSets = 1; | |
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566 // resets zoomArea, marks, scalerflags |
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567 data.zoomArea = FULL_AREA; |
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568 data.marks = []; |
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569 data.scalerFlags = {}; |
| 712 | 570 delete data.dlOpts.fitwidth; |
| 571 delete data.dlOpts.fitheight; | |
| 688 | 572 redisplay(data); |
| 689 | 573 }, |
| 574 | |
| 703 | 575 // presents a reference url (returns value if noprompt) |
| 576 reference : function (data, noprompt) { | |
| 689 | 577 var settings = data.settings; |
| 744 | 578 var url = getDigilibUrl(data); |
| 703 | 579 if (noprompt == null) { |
| 580 window.prompt("URL reference to the current view", url); | |
| 581 } | |
| 582 return url; | |
| 583 }, | |
| 710 | 584 |
| 703 | 585 // set image quality |
| 748 | 586 setQuality : function (data, qual) { |
| 703 | 587 var oldq = getQuality(data); |
| 588 if (qual == null) { | |
| 589 qual = window.prompt("Image quality (0..2)", oldq); | |
| 590 } | |
| 591 qual = parseInt(qual, 10); | |
| 592 if (qual >= 0 && qual <= 2) { | |
| 593 setQuality(data, qual); | |
| 594 redisplay(data); | |
| 595 } | |
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596 }, |
|
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597 |
|
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598 // calibrate (only faking) |
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599 calibrate : function (data) { |
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600 getImageInfo(data); |
|
760
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601 }, |
|
761
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602 |
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603 // set image scale mode |
|
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604 setScaleMode : function (data, mode) { |
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|
605 var oldM = getScaleMode(data); |
|
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|
606 if (mode == null) { |
|
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607 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
|
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608 } |
|
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609 if (mode != null) { |
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610 setScaleMode(data, mode); |
|
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611 data.scaleMode = mode; |
|
761
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612 redisplay(data); |
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613 } |
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|
614 } |
|
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|
615 |
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|
616 // end of actions |
| 605 | 617 }; |
| 604 | 618 |
| 608 | 619 // returns parameters from page url |
| 607 | 620 var parseQueryParams = function() { |
| 636 | 621 return parseQueryString(window.location.search.slice(1)); |
| 622 }; | |
| 655 | 623 |
| 636 | 624 // returns parameters from embedded img-element |
| 607 | 625 var parseImgParams = function($elem) { |
|
613
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626 var src = $elem.find('img').first().attr('src'); |
| 710 | 627 if (!src) return null; |
| 607 | 628 var pos = src.indexOf('?'); |
| 629 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 630 var scalerUrl = src.substring(0, pos); | |
| 627 | 631 var params = parseQueryString(query); |
| 632 params.scalerBaseUrl = scalerUrl; | |
| 633 return params; | |
| 636 | 634 }; |
| 607 | 635 |
| 608 | 636 // parses query parameter string into parameter object |
| 607 | 637 var parseQueryString = function(query) { |
| 701 | 638 var params = {}; |
| 639 if (query == null) return params; | |
| 607 | 640 var pairs = query.split("&"); |
| 636 | 641 //var keys = []; |
| 607 | 642 for (var i = 0; i < pairs.length; i++) { |
| 643 var pair = pairs[i].split("="); | |
| 644 if (pair.length === 2) { | |
| 627 | 645 params[pair[0]] = pair[1]; |
| 636 | 646 //keys.push(pair[0]); |
| 634 | 647 } |
| 636 | 648 } |
| 627 | 649 return params; |
| 636 | 650 }; |
| 668 | 651 |
| 643 | 652 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 653 var getParamString = function (settings, keys, defaults) { | |
| 615 | 654 var paramString = ''; |
| 650 | 655 var nx = false; |
| 615 | 656 for (i = 0; i < keys.length; ++i) { |
| 657 var key = keys[i]; | |
| 663 | 658 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 659 // first param gets no '&' |
| 650 | 660 if (nx) { |
| 661 paramString += '&'; | |
| 662 } else { | |
| 663 nx = true; | |
| 664 } | |
| 615 | 665 // add parm=val |
| 666 paramString += key + '=' + settings[key]; | |
| 643 | 667 } |
| 615 | 668 } |
| 669 return paramString; | |
| 631 | 670 }; |
| 671 | |
| 636 | 672 // returns URL and query string for Scaler |
| 673 var getScalerUrl = function (data) { | |
| 741 | 674 packParams(data); |
| 653 | 675 var settings = data.settings; |
| 652 | 676 if (settings.scalerBaseUrl == null) { |
| 677 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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678 } |
| 636 | 679 var keys = settings.scalerParamNames; |
| 643 | 680 var queryString = getParamString(settings, keys, defaults); |
| 636 | 681 var url = settings.scalerBaseUrl + '?' + queryString; |
| 682 return url; | |
| 683 }; | |
| 684 | |
| 741 | 685 // returns URL for bird's eye view image |
| 743 | 686 var getBirdImgUrl = function (data, moreParams) { |
| 741 | 687 var settings = data.settings; |
| 688 var birdDivOptions = { | |
| 689 dw : settings.birdDivWidth, | |
| 690 dh : settings.birdDivHeight | |
| 691 }; | |
| 743 | 692 var birdSettings = jQuery.extend({}, settings, birdDivOptions); |
| 741 | 693 // use only the relevant parameters |
| 743 | 694 if (moreParams == null) { |
| 695 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 696 } else { | |
| 697 var params = getParamString(birdSettings, | |
| 698 settings.birdDivParams.concat(moreParams), defaults); | |
| 699 } | |
| 700 var url = settings.scalerBaseUrl + '?' + params; | |
| 741 | 701 return url; |
| 702 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
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diff
changeset
|
703 |
| 636 | 704 // returns URL and query string for current digilib |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
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643
diff
changeset
|
705 var getDigilibUrl = function (data) { |
| 643 | 706 packParams(data); |
| 636 | 707 var settings = data.settings; |
|
644
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|
708 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 744 | 709 return settings.digilibBaseUrl + '?' + queryString; |
| 636 | 710 }; |
| 711 | |
|
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diff
changeset
|
712 // gets image information from digilib server via HTTP and calls complete |
|
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reading image info asynchronously works now. has just no use yet.
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|
713 var getImageInfo = function (data, complete) { |
|
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|
714 var settings = data.settings; |
|
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|
715 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
|
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diff
changeset
|
716 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
|
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diff
changeset
|
717 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
|
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diff
changeset
|
718 jQuery.getJSON(url, function (json) { |
|
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diff
changeset
|
719 console.debug("got json data=", json); |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
720 data.imgInfo = json; |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
721 if (complete != null) { |
|
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diff
changeset
|
722 complete.call(this, data, json); |
|
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diff
changeset
|
723 } |
|
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diff
changeset
|
724 }); |
|
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diff
changeset
|
725 }; |
|
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diff
changeset
|
726 |
| 655 | 727 // processes some parameters into objects and stuff |
| 631 | 728 var unpackParams = function (data) { |
| 729 var settings = data.settings; | |
| 636 | 730 // zoom area |
| 631 | 731 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 732 data.zoomArea = zoomArea; |
| 636 | 733 // marks |
| 631 | 734 var marks = []; |
| 650 | 735 if (settings.mk) { |
| 736 var mk = settings.mk; | |
| 737 if (mk.indexOf(";") >= 0) { | |
| 738 var pa = mk.split(";"); // old format with ";" | |
| 739 } else { | |
| 740 var pa = mk.split(","); // new format | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
741 } |
| 650 | 742 for (var i = 0; i < pa.length ; i++) { |
| 743 var pos = pa[i].split("/"); | |
| 744 if (pos.length > 1) { | |
| 745 marks.push(geom.position(pos[0], pos[1])); | |
|
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robcast
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|
746 } |
|
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robcast
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|
747 } |
|
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robcast
parents:
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diff
changeset
|
748 } |
| 643 | 749 data.marks = marks; |
| 650 | 750 // mo (Scaler flags) |
| 751 var flags = {}; | |
| 752 if (settings.mo) { | |
| 753 var pa = settings.mo.split(","); | |
| 754 for (var i = 0; i < pa.length ; i++) { | |
| 755 flags[pa[i]] = pa[i]; | |
|
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robcast
parents:
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|
756 } |
|
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diff
changeset
|
757 } |
| 650 | 758 data.scalerFlags = flags; |
|
763
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pixel-by-pixel scale mode works with zoom area. (not in all cases)
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|
759 data.scaleMode = getScaleMode(data); |
| 723 | 760 retrieveOptions(data); |
| 655 | 761 }; |
| 762 | |
| 631 | 763 // put objects back into parameters |
| 764 var packParams = function (data) { | |
| 765 var settings = data.settings; | |
| 636 | 766 // zoom area |
| 643 | 767 if (data.zoomArea) { |
| 647 | 768 settings.wx = cropFloat(data.zoomArea.x); |
| 769 settings.wy = cropFloat(data.zoomArea.y); | |
| 770 settings.ww = cropFloat(data.zoomArea.width); | |
| 771 settings.wh = cropFloat(data.zoomArea.height); | |
|
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diff
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|
772 } |
| 636 | 773 // marks |
| 643 | 774 if (data.marks) { |
| 650 | 775 settings.mk = ''; |
| 643 | 776 for (var i = 0; i < data.marks.length; i++) { |
| 650 | 777 if (i) { |
| 778 settings.mk += ','; | |
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779 } |
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780 settings.mk += cropFloat(data.marks[i].x).toString() + |
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781 '/' + cropFloat(data.marks[i].y).toString(); |
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782 } |
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783 } |
| 650 | 784 // Scaler flags |
| 785 if (data.scalerFlags) { | |
| 786 var mo = ''; | |
| 787 for (var f in data.scalerFlags) { | |
| 788 if (mo) { | |
| 789 mo += ','; | |
| 790 } | |
| 791 mo += f; | |
| 792 } | |
| 793 settings.mo = mo; | |
| 794 } | |
| 710 | 795 // user interface options |
| 723 | 796 storeOptions(data); |
| 709 | 797 }; |
| 688 | 798 |
| 723 | 799 var storeOptions = function (data) { |
| 701 | 800 // save digilib options in cookie |
| 709 | 801 var settings = data.settings; |
| 802 if (data.dlOpts) { | |
| 803 // save digilib settings in options | |
| 804 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 805 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 806 var clop = ''; | |
| 807 for (var o in data.dlOpts) { | |
| 808 if (clop) { | |
| 809 clop += '&'; | |
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810 } |
| 709 | 811 clop += o + '=' + data.dlOpts[o]; |
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812 } |
| 709 | 813 if (jQuery.cookie) { |
| 814 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 815 console.debug("set cookie=", ck, " value=", clop); | |
| 816 jQuery.cookie(ck, clop); | |
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817 } |
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818 } |
| 727 | 819 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
| 820 // store normal parameters in cookie for embedded mode | |
| 821 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 822 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 823 console.debug("set cookie=", ck, " value=", qs); | |
| 824 jQuery.cookie(ck, qs); | |
| 825 } | |
| 631 | 826 }; |
| 655 | 827 |
| 723 | 828 var retrieveOptions = function (data) { |
| 709 | 829 // clop (digilib options) |
| 830 var opts = {}; | |
| 831 var settings = data.settings; | |
| 832 if (jQuery.cookie) { | |
| 833 // read from cookie | |
| 834 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 835 var cp = jQuery.cookie(ck); | |
| 836 console.debug("get cookie=", ck, " value=", cp); | |
| 837 // in query string format | |
| 838 opts = parseQueryString(cp); | |
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839 } |
| 709 | 840 data.dlOpts = opts; |
| 841 // birdview option | |
| 842 if (opts.birdview != null) { | |
| 843 settings.isBirdDivVisible = opts.birdview === '1'; | |
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844 } |
| 709 | 845 // visible button sets |
| 846 if (opts.buttons != null) { | |
| 847 settings.visibleButtonSets = opts.buttons; | |
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848 } |
| 711 | 849 }; |
| 709 | 850 |
| 622 | 851 // (re)load the img from a new scaler URL |
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852 var redisplay = function (data) { |
| 636 | 853 var settings = data.settings; |
| 854 if (settings.interactionMode === 'fullscreen') { | |
| 855 // update location.href (browser URL) in fullscreen mode | |
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856 var url = getDigilibUrl(data); |
| 636 | 857 var history = window.history; |
| 858 if (typeof(history.pushState) === 'function') { | |
| 859 console.debug("we could modify history, but we don't..."); | |
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860 } |
| 636 | 861 window.location = url; |
| 862 } else { | |
| 863 // embedded mode -- just change img src | |
| 864 var url = getScalerUrl(data); | |
| 865 data.$img.attr('src', url); | |
| 726 | 866 // redisplay bird img |
| 867 updateBirdDiv(data); | |
| 765 | 868 highlightButtons(data); |
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869 } |
| 622 | 870 }; |
| 871 | |
| 662 | 872 // returns maximum size for scaler img in fullscreen mode |
| 873 var getFullscreenImgSize = function($elem) { | |
| 874 var $win = $(window); | |
| 875 var winH = $win.height(); | |
| 876 var winW = $win.width(); | |
| 877 // TODO: account for borders? | |
| 878 return geom.size(winW, winH); | |
| 879 }; | |
| 880 | |
| 608 | 881 // creates HTML structure for digilib in elem |
| 627 | 882 var setupScalerDiv = function (data) { |
| 883 var settings = data.settings; | |
| 647 | 884 var $elem = data.$elem; |
| 725 | 885 $elem.addClass('digilib'); |
| 728 | 886 var $img; |
| 887 var scalerUrl; | |
| 608 | 888 if (settings.interactionMode === 'fullscreen') { |
| 728 | 889 // fullscreen |
| 725 | 890 $elem.addClass('dl_fullscreen'); |
| 609 | 891 var imgSize = getFullscreenImgSize($elem); |
| 650 | 892 // fitwidth/height omits destination height/width |
| 728 | 893 if (data.dlOpts.fitheight == null) { |
| 650 | 894 settings.dw = imgSize.width; |
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895 } |
| 728 | 896 if (data.dlOpts.fitwidth == null) { |
| 650 | 897 settings.dh = imgSize.height; |
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898 } |
| 686 | 899 scalerUrl = getScalerUrl(data); |
| 728 | 900 $img = $('<img/>'); |
| 609 | 901 } else { |
| 728 | 902 // embedded mode -- try to keep img tag |
| 725 | 903 $elem.addClass('dl_embedded'); |
| 728 | 904 scalerUrl = getScalerUrl(data); |
| 623 | 905 $img = $elem.find('img'); |
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906 if ($img.length > 0) { |
| 728 | 907 oldUrl = $img.attr('src'); |
| 908 if (oldUrl === scalerUrl) { | |
| 909 console.debug("img detach:", $img); | |
| 910 $img.detach(); | |
| 911 } else { | |
| 912 $img = $('<img/>'); | |
| 913 } | |
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914 } else { |
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915 $img = $('<img/>'); |
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916 } |
| 608 | 917 } |
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918 // create new html |
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919 $elem.empty(); // TODO: should we keep stuff for customization? |
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920 var $scaler = $('<div class="scaler"/>'); |
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921 $elem.append($scaler); |
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922 $scaler.append($img); |
| 622 | 923 $img.addClass('pic'); |
| 649 | 924 data.$scaler = $scaler; |
| 636 | 925 data.$img = $img; |
| 687 | 926 // setup image load handler before setting the src attribute (IE bug) |
| 927 $img.load(scalerImgLoadedHandler(data)); | |
| 928 $img.attr('src', scalerUrl); | |
| 608 | 929 }; |
| 615 | 930 |
| 610 | 931 // creates HTML structure for buttons in elem |
| 697 | 932 var createButtons = function (data, buttonSetIdx) { |
| 647 | 933 var $elem = data.$elem; |
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934 var settings = data.settings; |
| 665 | 935 var mode = settings.interactionMode; |
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936 var buttonSettings = settings.buttonSettings[mode]; |
| 682 | 937 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 690 | 938 if (buttonGroup == null) { |
| 939 // no buttons here | |
| 940 return; | |
| 941 } | |
| 942 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 682 | 943 var buttonNames = buttonSettings[buttonGroup]; |
| 944 for (var i = 0; i < buttonNames.length; i++) { | |
| 945 var buttonName = buttonNames[i]; | |
| 946 var buttonConfig = settings.buttons[buttonName]; | |
| 665 | 947 // construct the button html |
| 948 var $button = $('<div class="button"></div>'); | |
| 949 var $a = $('<a/>'); | |
| 950 var $img = $('<img class="button"/>'); | |
| 951 $buttonsDiv.append($button); | |
| 952 $button.append($a); | |
| 953 $a.append($img); | |
| 954 // add attributes and bindings | |
| 955 $button.attr('title', buttonConfig.tooltip); | |
| 682 | 956 $button.addClass('button-' + buttonName); |
| 665 | 957 // create handler for the buttons |
| 958 $a.bind('click.digilib', (function () { | |
| 959 // we create a new closure to capture the value of action | |
| 960 var action = buttonConfig.onclick; | |
| 961 if ($.isArray(action)) { | |
| 962 // the handler function calls digilib with action and parameters | |
| 963 return function (evt) { | |
| 964 console.debug('click action=', action, ' evt=', evt); | |
| 965 $elem.digilib.apply($elem, action); | |
| 966 return false; | |
| 967 }; | |
| 968 } else { | |
| 969 // the handler function calls digilib with action | |
| 970 return function (evt) { | |
| 971 console.debug('click action=', action, ' evt=', evt); | |
| 972 $elem.digilib(action); | |
| 973 return false; | |
| 974 }; | |
| 975 } | |
| 976 })()); | |
| 765 | 977 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 690 | 978 } |
| 662 | 979 // make buttons div scroll if too large for window |
| 980 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 981 $buttonsDiv.css('position', 'absolute'); | |
| 982 } | |
| 697 | 983 // buttons hidden at first |
| 984 $buttonsDiv.hide(); | |
| 985 $elem.append($buttonsDiv); | |
| 682 | 986 if (data.$buttonSets == null) { |
| 697 | 987 // first button set |
| 682 | 988 data.$buttonSets = [$buttonsDiv]; |
| 989 } else { | |
| 690 | 990 $elem.append($buttonsDiv); |
| 682 | 991 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 992 } | |
| 612 | 993 return $buttonsDiv; |
| 610 | 994 }; |
| 615 | 995 |
| 996 // creates HTML structure for the bird's eye view in elem | |
| 638 | 997 var setupBirdDiv = function (data) { |
| 647 | 998 var $elem = data.$elem; |
| 615 | 999 // the bird's eye div |
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1000 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 615 | 1001 // the detail indicator frame |
| 726 | 1002 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 615 | 1003 // the small image |
| 1004 var $birdImg = $('<img class="birdimg"/>'); | |
| 723 | 1005 data.$birdDiv = $birdDiv; |
| 1006 data.$birdZoom = $birdZoom; | |
| 1007 data.$birdImg = $birdImg; | |
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1008 $elem.append($birdDiv); |
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1009 $birdDiv.append($birdZoom); |
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1010 $birdDiv.append($birdImg); |
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1011 $birdZoom.css(data.settings.birdIndicatorStyle); |
| 723 | 1012 var birdUrl = getBirdImgUrl(data); |
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1013 $birdImg.load(birdImgLoadedHandler(data)); |
| 723 | 1014 $birdImg.attr('src', birdUrl); |
| 1015 }; | |
| 1016 | |
| 1017 // update bird's eye view | |
| 1018 var updateBirdDiv = function (data) { | |
| 1019 if (!data.settings.isBirdDivVisible) return; | |
| 1020 var $birdImg = data.$birdImg; | |
| 1021 var oldsrc = $birdImg.attr('src'); | |
| 1022 var newsrc = getBirdImgUrl(data); | |
| 1023 if (oldsrc !== newsrc) { | |
| 1024 $birdImg.attr('src', newsrc); | |
| 1025 // onload handler re-renders | |
| 1026 } else { | |
| 1027 // re-render | |
| 1028 renderBirdArea(data); | |
| 730 | 1029 // enable click and drag |
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1030 setupBirdDrag(data); |
| 723 | 1031 } |
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1032 }; |
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1033 |
| 625 | 1034 // creates HTML structure for the about view in elem |
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1035 var setupAboutDiv = function (data) { |
| 647 | 1036 var $elem = data.$elem; |
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1037 var settings = data.settings; |
| 625 | 1038 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 616 | 1039 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1040 var $link = $('<a/>'); | |
| 1041 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1042 var $content = $('<p/>'); | |
| 1043 $elem.append($aboutDiv); | |
| 1044 $aboutDiv.append($header); | |
| 1045 $aboutDiv.append($link); | |
| 1046 $aboutDiv.append($content); | |
| 1047 $link.append($logo); | |
| 1048 $logo.attr('src', settings.logoUrl); | |
| 635 | 1049 $link.attr('href', settings.homeUrl); |
| 616 | 1050 $content.text('Version: ' + settings.version); |
| 635 | 1051 // click hides |
| 649 | 1052 $aboutDiv.bind('click.digilib', function () { |
| 646 | 1053 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
| 649 | 1054 return false; |
| 710 | 1055 }); |
| 635 | 1056 data.$aboutDiv = $aboutDiv; |
| 634 | 1057 }; |
| 1058 | |
| 635 | 1059 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1060 var showDiv = function (isVisible, $div, show) { | |
| 645 | 1061 if (show == null) { |
| 635 | 1062 // toggle visibility |
| 1063 isVisible = !isVisible; | |
| 1064 } else { | |
| 1065 // set visibility | |
| 1066 isVisible = show; | |
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1067 } |
| 635 | 1068 if (isVisible) { |
| 1069 $div.fadeIn(); | |
| 1070 } else { | |
| 1071 $div.fadeOut(); | |
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1072 } |
| 635 | 1073 return isVisible; |
| 634 | 1074 }; |
| 616 | 1075 |
| 697 | 1076 // display more (or less) button sets |
| 1077 var showButtons = function (data, more, setIdx, animated) { | |
| 711 | 1078 var atime = animated ? 'fast': 0; |
| 697 | 1079 if (more) { |
| 1080 // add set | |
| 1081 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1082 var $set; | |
| 1083 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1084 // set exists | |
| 1085 $set = data.$buttonSets[setIdx]; | |
| 1086 } else { | |
| 1087 $set = createButtons(data, setIdx); | |
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1088 } |
| 697 | 1089 if ($set == null) return false; |
| 765 | 1090 // include border in calculation |
| 1091 var btnWidth = $set.outerWidth(); | |
| 697 | 1092 // move remaining sets left and show new set |
| 711 | 1093 if ($otherSets.length > 0) { |
| 1094 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1095 function () {$set.show();}); | |
| 697 | 1096 } else { |
| 1097 $set.show(); | |
| 711 | 1098 } |
| 697 | 1099 } else { |
| 1100 // remove set | |
| 1101 var $set = data.$buttonSets[setIdx]; | |
| 1102 if ($set == null) return false; | |
| 1103 var btnWidth = $set.width(); | |
| 1104 // hide last set | |
| 1105 $set.hide(); | |
| 1106 // take remaining sets and move right | |
| 1107 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 711 | 1108 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1109 } | |
| 697 | 1110 return true; |
| 1111 }; | |
| 1112 | |
| 765 | 1113 // check for buttons to highlight |
| 1114 var highlightButtons = function (data, name, on) { | |
| 1115 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1116 // add a class for highlighted button | |
| 1117 var highlight = function (name, on) { | |
| 1118 var $button = $buttons.find('div.button-' + name); | |
| 1119 if (on) { | |
| 1120 $button.addClass('button-on'); | |
| 1121 } else { | |
| 1122 $button.removeClass('button-on'); | |
| 1123 } | |
| 1124 }; | |
| 1125 if (name != null) { | |
| 1126 return highlight(name, on); | |
| 1127 } | |
| 1128 var flags = data.scalerFlags; | |
| 1129 var settings = data.settings; | |
| 1130 highlight('rot', settings.rot); | |
| 1131 highlight('brgt', settings.brgt); | |
| 1132 highlight('cont', settings.cont); | |
| 1133 highlight('bird', settings.isBirdDivVisible); | |
| 1134 highlight('help', settings.isAboutDivVisible); | |
| 1135 highlight('hmir', flags.hmir); | |
| 1136 highlight('vmir', flags.vmir); | |
| 1137 highlight('help', flags.q1 || flags.q2); | |
| 1138 highlight('zoomin', ! isFullArea(data.zoomArea)); | |
| 1139 }; | |
| 1140 | |
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1141 // create Transform from area and $img |
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1142 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, imgInfo) { |
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1143 var picrect = geom.rectangle($img); |
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1144 if (mode != null) { |
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|
1145 if (mode === 'pixel') { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1146 // 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
|
1147 if (imgInfo != null) { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1148 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
|
1149 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
|
1150 } else { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1151 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
|
1152 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1153 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1154 } |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1155 var trafo = geom.transform(); |
| 675 | 1156 // 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
|
1157 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1158 // 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
|
1159 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1160 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1161 if (rot || hmir || vmir) { | |
| 1162 // move [0.5,0.5] to center | |
| 1163 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1164 if (hmir) { | |
| 1165 // mirror about center | |
| 1166 trafo.concat(trafo.getMirror('y')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1167 } |
| 675 | 1168 if (vmir) { |
| 1169 // mirror about center | |
| 1170 trafo.concat(trafo.getMirror('x')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1171 } |
| 675 | 1172 if (rot) { |
| 1173 // rotate around center | |
| 1174 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1175 } |
| 675 | 1176 // move back |
| 1177 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
|
1178 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1179 // 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
|
1180 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
|
1181 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
|
1182 return trafo; |
| 655 | 1183 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1184 |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1185 // returns function for load event of scaler img |
| 636 | 1186 var scalerImgLoadedHandler = function (data) { |
| 633 | 1187 return function () { |
| 723 | 1188 var $img = $(this); |
| 738 | 1189 var $scaler = data.$scaler; |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1190 // create Transform from current zoomArea and image size |
| 675 | 1191 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1192 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1193 data.scaleMode, data.imgInfo); |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1194 // console.debug("imgTrafo=", data.imgTrafo); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1195 var imgRect = geom.rectangle($img); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1196 // console.debug("imgrect=", imgRect); |
| 733 | 1197 // adjust scaler div size |
| 738 | 1198 imgRect.adjustDiv($scaler); |
| 715 | 1199 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1200 $img.css('visibility', 'visible'); |
| 741 | 1201 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 627 | 1202 // display marks |
| 633 | 1203 renderMarks(data); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1204 // enable drag-to-scroll |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1205 setupZoomDrag(data); |
|
695
5c39f5dd6296
cookie control for birdview, works for fullscreen
hertzhaft
parents:
693
diff
changeset
|
1206 // TODO: digilib.showArrows(); // show arrow overlays for zoom navigation |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1207 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1208 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1209 |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1210 // 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
|
1211 var birdImgLoadedHandler = function (data) { |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1212 return function () { |
| 755 | 1213 var $birdImg = $(this); |
| 1214 var birdRect = geom.rectangle($birdImg); | |
| 1215 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1216 if (birdRect.width === 0) { | |
| 1217 // 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
|
1218 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 755 | 1219 } |
| 668 | 1220 // display red indicator around zoomarea |
| 723 | 1221 renderBirdArea(data); |
| 1222 // enable click and drag | |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1223 setupBirdDrag(data); |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1224 }; |
|
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1225 }; |
| 633 | 1226 |
| 1227 // place marks on the image | |
| 1228 var renderMarks = function (data) { | |
| 647 | 1229 var $elem = data.$elem; |
| 643 | 1230 var marks = data.marks; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1231 // clear marks |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1232 $elem.find('div.mark').remove(); |
| 633 | 1233 for (var i = 0; i < marks.length; i++) { |
| 1234 var mark = marks[i]; | |
| 643 | 1235 if (data.zoomArea.containsPosition(mark)) { |
| 633 | 1236 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
|
1237 console.debug("renderMarks: mpos=",mpos); |
| 633 | 1238 // create mark |
| 1239 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1240 var $mark = $(html); | |
| 1241 $elem.append($mark); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1242 mpos.adjustDiv($mark); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1243 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1244 } |
| 633 | 1245 }; |
| 655 | 1246 |
|
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1247 // show zoom area indicator on bird's eye view |
| 723 | 1248 var renderBirdArea = function (data) { |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1249 var $birdZoom = data.$birdZoom; |
| 659 | 1250 var zoomArea = data.zoomArea; |
| 723 | 1251 var normalSize = isFullArea(zoomArea); |
| 1252 if (normalSize) { | |
| 1253 $birdZoom.hide(); | |
| 1254 return; | |
| 1255 } else { | |
| 1256 $birdZoom.show(); | |
| 1257 } | |
| 755 | 1258 // create Transform from current area and picsize |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1259 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 738 | 1260 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 755 | 1261 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 741 | 1262 // acount for border width |
| 1263 zoomRect.addPosition({x : -2, y : -2}); | |
|
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1264 if (data.settings.interactionMode === 'fullscreen') { |
|
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1265 // no animation for fullscreen |
| 738 | 1266 zoomRect.adjustDiv($birdZoom); |
| 723 | 1267 } else { |
| 1268 // nice animation for embedded mode :-) | |
| 741 | 1269 // correct offsetParent because animate doesn't use offset |
| 726 | 1270 var ppos = $birdZoom.offsetParent().offset(); |
| 738 | 1271 var dest = { |
| 755 | 1272 left : (zoomRect.x - ppos.left) + 'px', |
| 1273 top : (zoomRect.y - ppos.top) + 'px', | |
| 1274 width : zoomRect.width, | |
| 1275 height : zoomRect.height | |
| 1276 }; | |
| 738 | 1277 $birdZoom.animate(dest); |
| 723 | 1278 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1279 }; |
| 659 | 1280 |
| 647 | 1281 // zooms by the given factor |
| 643 | 1282 var zoomBy = function(data, factor) { |
| 1283 var area = data.zoomArea; | |
| 1284 var newarea = area.copy(); | |
| 1285 // scale | |
| 1286 newarea.width /= factor; | |
| 1287 newarea.height /= factor; | |
| 1288 // and recenter | |
| 1289 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1290 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1291 newarea = FULL_AREA.fit(newarea); |
| 643 | 1292 data.zoomArea = newarea; |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1293 redisplay(data); |
| 643 | 1294 }; |
| 1295 | |
| 647 | 1296 // add a mark where clicked |
| 1297 var setMark = function (data) { | |
| 649 | 1298 var $scaler = data.$scaler; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1299 // unbind other handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1300 $scaler.unbind(".dlZoomDrag"); |
| 647 | 1301 // start event capturing |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1302 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 647 | 1303 // event handler adding a new mark |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1304 console.log("setmark at=", evt); |
|
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1305 var mpos = geom.position(evt); |
| 647 | 1306 var pos = data.imgTrafo.invtransform(mpos); |
| 1307 data.marks.push(pos); | |
| 1308 redisplay(data); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1309 return false; |
| 647 | 1310 }); |
| 1311 }; | |
| 668 | 1312 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1313 // zoom to the area around two clicked points |
| 654 | 1314 var zoomArea = function(data) { |
| 1315 $elem = data.$elem; | |
| 1316 $scaler = data.$scaler; | |
| 1317 var pt1, pt2; | |
| 1318 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1319 $elem.append($zoomDiv); | |
| 668 | 1320 $zoomDiv.css(data.settings.zoomrectStyle); |
| 654 | 1321 var picRect = geom.rectangle($scaler); |
| 1322 // FIX ME: is there a way to query the border width from CSS info? | |
| 1323 // rect.x -= 2; // account for overlay borders | |
| 1324 // rect.y -= 2; | |
| 1325 | |
| 1326 var zoomStart = function (evt) { | |
| 1327 pt1 = geom.position(evt); | |
| 1328 // setup and show zoom div | |
| 738 | 1329 pt1.adjustDiv($zoomDiv); |
| 668 | 1330 $zoomDiv.width(0).height(0); |
| 654 | 1331 $zoomDiv.show(); |
| 1332 // register events | |
| 738 | 1333 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1334 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1335 return false; |
| 1336 }; | |
| 668 | 1337 |
| 741 | 1338 // mouse move handler |
| 1339 var zoomMove = function (evt) { | |
| 1340 pt2 = geom.position(evt); | |
| 1341 var rect = geom.rectangle(pt1, pt2); | |
| 1342 rect.clipTo(picRect); | |
| 1343 // update zoom div | |
| 1344 rect.adjustDiv($zoomDiv); | |
| 1345 return false; | |
| 1346 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1347 |
| 654 | 1348 // mouseup handler: end moving |
| 1349 var zoomEnd = function (evt) { | |
| 1350 pt2 = geom.position(evt); | |
| 1351 // assume a click and continue if the area is too small | |
| 1352 var clickRect = geom.rectangle(pt1, pt2); | |
| 710 | 1353 if (clickRect.getArea() <= 5) return false; |
| 654 | 1354 // hide zoom div |
| 1355 $zoomDiv.remove(); | |
| 1356 // unregister events | |
| 738 | 1357 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1358 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1359 // clip and transform |
| 1360 clickRect.clipTo(picRect); | |
| 1361 var area = data.imgTrafo.invtransform(clickRect); | |
| 1362 data.zoomArea = area; | |
| 1363 // zoomed is always fit | |
| 1364 data.settings.ws = 1; | |
| 738 | 1365 delete data.dlOpts.fitwidth; |
| 1366 delete data.dlOpts.fitheight; | |
| 654 | 1367 redisplay(data); |
| 1368 return false; | |
| 1369 }; | |
| 668 | 1370 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1371 // clear old handler (also ZoomDrag) |
| 738 | 1372 $scaler.unbind('.dlZoomArea'); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1373 $scaler.unbind(".dlZoomDrag"); |
| 738 | 1374 $elem.unbind('.dlZoomArea'); |
| 654 | 1375 // bind start zoom handler |
| 738 | 1376 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 654 | 1377 }; |
| 647 | 1378 |
| 723 | 1379 // 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
|
1380 var setupBirdDrag = function(data) { |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1381 var $birdImg = data.$birdImg; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1382 var $birdZoom = data.$birdZoom; |
| 730 | 1383 var $document = $(document); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1384 var $scaler = data.$scaler; |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1385 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1386 |
| 741 | 1387 // mousedown handler: start dragging bird zoom to a new position |
| 1388 var birdZoomStartDrag = function(evt) { | |
| 1389 startPos = geom.position(evt); | |
| 1390 // position may have changed | |
| 1391 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1392 birdImgRect = geom.rectangle($birdImg); | |
| 1393 birdZoomRect = geom.rectangle($birdZoom); | |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1394 scalerPos = geom.position($scaler); |
| 741 | 1395 newRect = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1396 fullRect = setZoomBG(data); // setup zoom background image |
| 741 | 1397 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1398 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1399 return false; | |
| 1400 }; | |
| 1401 | |
| 733 | 1402 // mousemove handler: drag |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1403 var birdZoomMove = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1404 var pos = geom.position(evt); |
| 730 | 1405 var delta = startPos.delta(pos); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1406 // move birdZoom div, keeping size |
| 730 | 1407 newRect = birdZoomRect.copy(); |
| 733 | 1408 newRect.addPosition(delta); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1409 newRect.stayInside(birdImgRect); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1410 // reflect birdview zoom position in scaler image |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1411 var area = data.birdTrafo.invtransform(newRect); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1412 var imgArea = data.imgTrafo.transform(area); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1413 var offset = imgArea.getPosition().neg(); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1414 offset.add(scalerPos); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1415 if (fullRect) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1416 var bgPos = fullRect.getPosition().add(offset); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1417 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1418 var bgPos = offset; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1419 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1420 // move the background image to the new position |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1421 data.$scaler.css({ |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1422 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1423 }); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1424 // acount for border width |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1425 newRect.addPosition({x : -2, y : -2}); |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1426 newRect.adjustDiv($birdZoom); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1427 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1428 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1429 |
| 733 | 1430 // mouseup handler: reload page |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1431 var birdZoomEndDrag = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1432 var settings = data.settings; |
| 730 | 1433 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1434 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1435 if (newRect == null) { | |
| 1436 // no movement happened - set center to click position | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1437 startPos = birdZoomRect.getCenter(); |
| 730 | 1438 birdZoomMove(evt); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1439 } |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1440 // ugly, but needed to prevent double border width compensation |
|
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1441 newRect.addPosition({x : +2, y : +2}); |
| 730 | 1442 var newArea = data.birdTrafo.invtransform(newRect); |
| 1443 data.zoomArea = newArea; | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1444 redisplay(data); |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1445 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1446 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1447 |
| 730 | 1448 // clear old handler |
| 1449 $document.unbind(".dlBirdMove"); | |
| 1450 $birdImg.unbind(".dlBirdMove"); | |
| 1451 $birdZoom.unbind(".dlBirdMove"); | |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1452 if (! isFullArea(data.zoomArea)) { |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1453 // set new handler |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1454 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1455 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1456 } |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1457 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1458 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1459 // move bird zoom indicator to reflect zoomed detail area |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1460 var setBirdZoom = function(data, rect) { |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1461 var part = data.imgTrafo.invtransform(rect); |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1462 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1463 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1464 var birdRect = birdTrafo.transform(part); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1465 // acount for border width |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1466 birdRect.addPosition({x : -2, y : -2}); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1467 birdRect.adjustDiv(data.$birdZoom); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1468 }; |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1469 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1470 // set zoom background |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1471 var setZoomBG = function(data) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1472 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1473 var $img = data.$img; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1474 var fullRect = null; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1475 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1476 $img.css('visibility', 'hidden'); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1477 var scalerCss = { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1478 'background-image' : 'url(' + $img.attr('src') + ')', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1479 'background-repeat' : 'no-repeat', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1480 'background-position' : 'left top', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1481 'opacity' : '0.5', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1482 'cursor' : 'move' |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1483 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1484 if (data.hasBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1485 // full-size background using CSS3-background-size |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1486 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1487 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1488 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1489 var scalerPos = geom.position($scaler); |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1490 fullRect.addPosition(scalerPos.neg()); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1491 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1492 scalerCss['background-image'] = 'url(' + url + ')'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1493 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1494 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
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 // too big |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1497 fullRect = null; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1498 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1499 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1500 $scaler.css(scalerCss); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1501 // isBgReady = true; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1502 return fullRect; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1503 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1504 |
| 738 | 1505 // setup handlers for dragging the zoomed image |
| 705 | 1506 var setupZoomDrag = function(data) { |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1507 var startPos, delta, fullRect; |
| 733 | 1508 var $document = $(document); |
| 705 | 1509 var $elem = data.$elem; |
| 1510 var $scaler = data.$scaler; | |
| 1511 var $img = data.$img; | |
| 710 | 1512 |
| 733 | 1513 // drag the image and load a new detail on mouse up |
| 705 | 1514 var dragStart = function (evt) { |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1515 console.debug("dragstart at=",evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1516 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1517 if (isFullArea(data.zoomArea)) return false; |
| 733 | 1518 startPos = geom.position(evt); |
| 741 | 1519 delta = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1520 // set low res background immediately on mousedown |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1521 fullRect = setZoomBG(data); |
| 733 | 1522 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1523 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1524 return false; |
| 705 | 1525 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1526 |
| 733 | 1527 // mousemove handler: drag zoomed image |
| 705 | 1528 var dragMove = function (evt) { |
| 1529 var pos = geom.position(evt); | |
| 741 | 1530 delta = startPos.delta(pos); |
| 1531 if (fullRect) { | |
| 1532 var bgPos = fullRect.getPosition().add(delta); | |
| 1533 } else { | |
| 1534 var bgPos = delta; | |
| 1535 } | |
| 705 | 1536 // move the background image to the new position |
| 715 | 1537 $scaler.css({ |
| 741 | 1538 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 705 | 1539 }); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1540 // set birdview indicator to reflect new zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1541 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1542 za.addPosition(delta.neg()); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1543 setBirdZoom(data, za); |
| 705 | 1544 return false; |
| 1545 }; | |
| 710 | 1546 |
| 733 | 1547 // mouseup handler: reload zoomed image in new position |
| 705 | 1548 var dragEnd = function (evt) { |
| 739 | 1549 $scaler.css('cursor', 'auto'); |
| 733 | 1550 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1551 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1552 if (delta == null || delta.distance() < 2) { | |
| 1553 // no movement | |
| 1554 $img.css('visibility', 'visible'); | |
| 741 | 1555 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 733 | 1556 return false; |
| 1557 } | |
| 1558 // get old zoom area (screen coordinates) | |
| 741 | 1559 var za = geom.rectangle($img); |
| 733 | 1560 // move |
| 741 | 1561 za.addPosition(delta.neg()); |
| 733 | 1562 // transform back |
| 1563 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1564 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1565 redisplay(data); |
| 705 | 1566 return false; |
| 1567 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1568 |
| 733 | 1569 // clear old handler |
| 1570 $document.unbind(".dlZoomDrag"); | |
| 741 | 1571 $scaler.unbind(".dlZoomDrag"); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1572 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1573 // set handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1574 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1575 } |
| 705 | 1576 }; |
| 1577 | |
| 703 | 1578 // get image quality as a number (0..2) |
| 1579 var getQuality = function (data) { | |
| 1580 var flags = data.scalerFlags; | |
| 1581 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1582 return parseInt(q[1], 10); | |
| 706 | 1583 }; |
| 703 | 1584 |
| 1585 // set image quality as a number (0..2) | |
| 1586 var setQuality = function (data, qual) { | |
| 1587 var flags = data.scalerFlags; | |
| 1588 // clear flags | |
| 1589 for (var i = 0; i < 3; ++i) { | |
| 1590 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1591 } |
| 703 | 1592 flags['q'+qual] = 'q'+qual; |
| 706 | 1593 }; |
| 710 | 1594 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1595 // get image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1596 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1597 if (data.scalerFlags.clip != null) { |
|
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added setScaleMode. no compensation for change in scaling yet.
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|
1598 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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|
1599 } else if (data.scalerFlags.osize != null) { |
|
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|
1600 return 'size'; |
|
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changeset
|
1601 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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diff
changeset
|
1602 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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diff
changeset
|
1603 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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diff
changeset
|
1604 }; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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diff
changeset
|
1605 |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1606 // set image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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parents:
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diff
changeset
|
1607 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1608 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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parents:
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diff
changeset
|
1609 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1610 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1611 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1612 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
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diff
changeset
|
1613 } else if (mode === 'size') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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parents:
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diff
changeset
|
1614 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
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diff
changeset
|
1615 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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parents:
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diff
changeset
|
1616 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1617 }; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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parents:
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diff
changeset
|
1618 |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1619 // sets a key to a value (relative values with +/- if relative=true) |
| 650 | 1620 var setNumValue = function(settings, key, value) { |
| 716 | 1621 if (value == null) return null; |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
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diff
changeset
|
1622 if (isNumber(value)) { |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
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diff
changeset
|
1623 settings[key] = value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
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|
1624 return value; |
|
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|
1625 } |
|
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more cosmetics: added options to validate with http://www.jslint.com
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diff
changeset
|
1626 var sign = value[0]; |
| 650 | 1627 if (sign === '+' || sign === '-') { |
| 1628 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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diff
changeset
|
1629 // this isn't perfect but still... |
| 650 | 1630 settings[key] = 0; |
|
713
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diff
changeset
|
1631 } |
| 650 | 1632 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1633 } else { | |
| 1634 settings[key] = value; | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
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diff
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|
1635 } |
| 650 | 1636 return settings[key]; |
| 1637 }; | |
| 655 | 1638 |
| 1639 // auxiliary function (from old dllib.js) | |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
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parents:
731
diff
changeset
|
1640 var isFullArea = function(area) { |
| 659 | 1641 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1642 }; |
| 1643 | |
| 641 | 1644 // auxiliary function (from Douglas Crockford, A.10) |
| 1645 var isNumber = function isNumber(value) { | |
| 710 | 1646 return typeof value === 'number' && isFinite(value); |
| 641 | 1647 }; |
| 655 | 1648 |
| 631 | 1649 // auxiliary function to crop senseless precision |
| 1650 var cropFloat = function (x) { | |
| 637 | 1651 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1652 }; |
| 655 | 1653 |
| 692 | 1654 // fallback for console.log calls |
| 1655 if (customConsole) { | |
| 1656 var logFunction = function(type) { | |
| 1657 return function(){ | |
| 1658 var $debug = $('#debug'); // debug div | |
| 1659 if (!$debug) return; | |
| 1660 var args = Array.prototype.slice.call(arguments); | |
| 1661 var argtext = args.join(' '); | |
| 1662 var $logDiv = $('<div/>'); | |
| 1663 $logDiv.addClass(type); | |
| 1664 $logDiv.text(argtext); | |
| 1665 $debug.append($logDiv); | |
| 1666 }; | |
| 1667 }; | |
| 1668 console.log = logFunction('_log'); | |
| 1669 console.debug = logFunction('_debug'); | |
| 1670 console.error = logFunction('_error'); | |
|
713
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diff
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|
1671 } |
| 692 | 1672 |
| 605 | 1673 // hook plugin into jquery |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
changeset
|
1674 $.fn.digilib = function(action, obj) { |
|
f0be4432f515
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diff
changeset
|
1675 // plugin extension mechanism |
|
f0be4432f515
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diff
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|
1676 if (action === 'extendPlugin') { |
|
f0be4432f515
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diff
changeset
|
1677 // for each digilib $elem extend data.settings with obj.options |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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diff
changeset
|
1678 if (obj.options) { |
|
f0be4432f515
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diff
changeset
|
1679 this.each(function() { |
|
f0be4432f515
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parents:
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diff
changeset
|
1680 var $elem = $(this); |
|
f0be4432f515
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parents:
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diff
changeset
|
1681 // console.debug('extending:', $elem); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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diff
changeset
|
1682 var data = $elem.data('digilib'); |
|
f0be4432f515
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diff
changeset
|
1683 if (!data) { |
|
f0be4432f515
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diff
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|
1684 return console.log('cannot extend digilib plugin, element not initialised!'); |
|
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diff
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|
1685 } |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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diff
changeset
|
1686 var settings = data.settings; |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
changeset
|
1687 $.extend(settings, obj.options); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
changeset
|
1688 // console.log('settings:', settings); |
|
f0be4432f515
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diff
changeset
|
1689 }); |
|
f0be4432f515
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diff
changeset
|
1690 } |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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diff
changeset
|
1691 delete(obj.options); |
|
f0be4432f515
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diff
changeset
|
1692 // extend the plugin actions (to make this useful, |
|
f0be4432f515
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diff
changeset
|
1693 // maybe we need to expose some more internal functions) |
|
f0be4432f515
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parents:
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diff
changeset
|
1694 $.extend(actions, obj); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
755
diff
changeset
|
1695 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1696 // 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
|
1697 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1698 var data = $elem.data('digilib'); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1699 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1700 args.unshift(data); |
|
694bdb86cbad
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robcast
parents:
650
diff
changeset
|
1701 return actions[action].apply(this, args); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1702 } else if (typeof(action) === 'object' || !action) { |
| 634 | 1703 // call init on this |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1704 return actions.init.apply(this, arguments); |
| 605 | 1705 } else { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
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711
diff
changeset
|
1706 $.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
|
1707 } |
| 605 | 1708 }; |
| 692 | 1709 |
| 604 | 1710 })(jQuery); |