Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 779:7afa40517871 jquery
new plugin architecture.
| author | robcast |
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| date | Thu, 17 Feb 2011 14:32:48 +0100 |
| parents | ede54261f87b |
| children | fd86688e6be0 |
| 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 /** |
| 597 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
| 760 | 24 /*jslint browser: true, debug: true, forin: true |
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25 */ |
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26 |
| 629 | 27 // fallback for console.log calls |
| 28 if (typeof(console) === 'undefined') { | |
| 29 var console = { | |
| 685 | 30 log : function(){}, |
| 31 debug : function(){}, | |
| 32 error : function(){} | |
| 33 }; | |
| 772 | 34 var customConsole = false; // set to true if debugging for MS IE |
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35 } |
| 597 | 36 |
| 37 (function($) { | |
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38 var buttons = { |
| 603 | 39 reference : { |
| 682 | 40 onclick : "reference", |
| 603 | 41 tooltip : "get a reference URL", |
| 758 | 42 icon : "reference.png" |
| 603 | 43 }, |
| 44 zoomin : { | |
| 636 | 45 onclick : ["zoomBy", 1.4], |
| 603 | 46 tooltip : "zoom in", |
| 758 | 47 icon : "zoom-in.png" |
| 603 | 48 }, |
| 49 zoomout : { | |
| 636 | 50 onclick : ["zoomBy", 0.7], |
| 603 | 51 tooltip : "zoom out", |
| 758 | 52 icon : "zoom-out.png" |
| 603 | 53 }, |
| 54 zoomarea : { | |
| 647 | 55 onclick : "zoomArea", |
| 603 | 56 tooltip : "zoom area", |
| 758 | 57 icon : "zoom-area.png" |
| 603 | 58 }, |
| 59 zoomfull : { | |
| 643 | 60 onclick : "zoomFull", |
| 603 | 61 tooltip : "view the whole image", |
| 758 | 62 icon : "zoom-full.png" |
| 603 | 63 }, |
| 64 pagewidth : { | |
| 643 | 65 onclick : ["zoomFull", "width"], |
| 603 | 66 tooltip : "page width", |
| 758 | 67 icon : "pagewidth.png" |
| 603 | 68 }, |
| 69 back : { | |
| 616 | 70 onclick : ["gotoPage", "-1"], |
| 603 | 71 tooltip : "goto previous image", |
| 758 | 72 icon : "back.png" |
| 603 | 73 }, |
| 74 fwd : { | |
| 616 | 75 onclick : ["gotoPage", "+1"], |
| 603 | 76 tooltip : "goto next image", |
| 758 | 77 icon : "fwd.png" |
| 603 | 78 }, |
| 79 page : { | |
| 709 | 80 onclick : "gotoPage", |
| 81 tooltip : "goto image number", | |
| 758 | 82 icon : "page.png" |
| 603 | 83 }, |
| 84 bird : { | |
| 628 | 85 onclick : "showBirdDiv", |
| 603 | 86 tooltip : "show bird's eye view", |
| 758 | 87 icon : "birds-eye.png" |
| 603 | 88 }, |
| 89 help : { | |
| 628 | 90 onclick : "showAboutDiv", |
| 603 | 91 tooltip : "about Digilib", |
| 758 | 92 icon : "help.png" |
| 603 | 93 }, |
| 94 reset : { | |
| 681 | 95 onclick : "reset", |
| 603 | 96 tooltip : "reset image", |
| 758 | 97 icon : "reset.png" |
| 603 | 98 }, |
| 99 mark : { | |
| 640 | 100 onclick : "setMark", |
| 603 | 101 tooltip : "set a mark", |
| 758 | 102 icon : "mark.png" |
| 603 | 103 }, |
| 104 delmark : { | |
| 643 | 105 onclick : "removeMark", |
| 603 | 106 tooltip : "delete the last mark", |
| 758 | 107 icon : "delmark.png" |
| 603 | 108 }, |
| 109 hmir : { | |
| 654 | 110 onclick : ["mirror", "h"], |
| 603 | 111 tooltip : "mirror horizontally", |
| 758 | 112 icon : "mirror-horizontal.png" |
| 603 | 113 }, |
| 114 vmir : { | |
| 654 | 115 onclick : ["mirror", "v"], |
| 603 | 116 tooltip : "mirror vertically", |
| 758 | 117 icon : "mirror-vertical.png" |
| 603 | 118 }, |
| 119 rot : { | |
| 656 | 120 onclick : "rotate", |
| 603 | 121 tooltip : "rotate image", |
| 758 | 122 icon : "rotate.png" |
| 603 | 123 }, |
| 124 brgt : { | |
| 656 | 125 onclick : "brightness", |
| 603 | 126 tooltip : "set brightness", |
| 758 | 127 icon : "brightness.png" |
| 603 | 128 }, |
| 129 cont : { | |
| 656 | 130 onclick : "contrast", |
| 603 | 131 tooltip : "set contrast", |
| 758 | 132 icon : "contrast.png" |
| 603 | 133 }, |
| 134 rgb : { | |
| 135 onclick : "javascript:setParamWin('rgb', '...')", | |
| 136 tooltip : "set rgb values", | |
| 758 | 137 icon : "rgb.png" |
| 603 | 138 }, |
| 139 quality : { | |
| 741 | 140 onclick : "setQuality", |
| 603 | 141 tooltip : "set image quality", |
| 758 | 142 icon : "quality.png" |
| 603 | 143 }, |
| 144 size : { | |
| 145 onclick : "javascript:toggleSizeMenu()", | |
| 146 tooltip : "set page size", | |
| 758 | 147 icon : "size.png" |
| 603 | 148 }, |
| 149 calibrationx : { | |
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150 onclick : "calibrate", |
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151 tooltip : "calibrate screen resolution", |
| 758 | 152 icon : "calibration-x.png" |
| 603 | 153 }, |
| 154 scale : { | |
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155 onclick : "setScaleMode", |
| 603 | 156 tooltip : "change image scale", |
| 758 | 157 icon : "original-size.png" |
| 603 | 158 }, |
| 692 | 159 toggleoptions : { |
| 741 | 160 onclick : "moreButtons", |
| 692 | 161 tooltip : "more options", |
| 758 | 162 icon : "options.png" |
| 692 | 163 }, |
| 683 | 164 moreoptions : { |
| 741 | 165 onclick : ["moreButtons", "+1"], |
| 683 | 166 tooltip : "more options", |
| 758 | 167 icon : "options.png" |
| 683 | 168 }, |
| 169 lessoptions : { | |
| 741 | 170 onclick : ["moreButtons", "-1"], |
| 683 | 171 tooltip : "less options", |
| 758 | 172 icon : "options.png" |
| 603 | 173 }, |
| 174 SEP : { | |
| 758 | 175 icon : "sep.png" |
| 603 | 176 } |
| 177 }; | |
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178 |
| 598 | 179 var defaults = { |
| 609 | 180 // version of this script |
| 628 | 181 'version' : 'jquery.digilib.js 0.9', |
| 609 | 182 // logo url |
| 183 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 628 | 184 // homepage url (behind logo) |
| 185 'homeUrl' : 'http://digilib.berlios.de', | |
| 737 | 186 // base URL to digilib viewer (for reference URLs) |
| 187 'digilibBaseUrl' : null, | |
| 603 | 188 // base URL to Scaler servlet |
| 645 | 189 'scalerBaseUrl' : null, |
| 603 | 190 // list of Scaler parameters |
| 620 | 191 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 192 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 193 // Scaler parameter defaults | |
| 636 | 194 'pn' : 1, |
| 620 | 195 'ww' : 1.0, |
| 196 'wh' : 1.0, | |
| 197 'wx' : 0.0, | |
| 198 'wy' : 0.0, | |
| 199 'ws' : 1.0, | |
| 636 | 200 'mo' : '', |
| 201 'rot' : 0, | |
| 202 'cont' : 0, | |
| 203 'brgt' : 0, | |
| 204 'rgbm' : '0/0/0', | |
| 205 'rgba' : '0/0/0', | |
| 206 'ddpi' : null, | |
| 207 'ddpix' : null, | |
| 208 'ddpiy' : null, | |
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209 // list of digilib parameters |
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210 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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211 // digilib parameter defaults |
| 636 | 212 'mk' : '', |
| 643 | 213 'clop' : '', |
| 636 | 214 // mode of operation: |
| 215 // fullscreen = take parameters from page URL, keep state in page URL | |
| 216 // embedded = take parameters from Javascript options, keep state inside object | |
| 603 | 217 'interactionMode' : 'fullscreen', |
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218 // buttons |
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219 'buttons' : buttons, |
| 661 | 220 // defaults for digilib buttons |
| 658 | 221 'buttonSettings' : { |
| 222 'fullscreen' : { | |
| 661 | 223 // path to button images (must end with a slash) |
| 658 | 224 'imagePath' : 'img/fullscreen/', |
| 714 | 225 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
| 226 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
| 675 | 227 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 228 }, |
| 229 'embedded' : { | |
| 230 'imagePath' : 'img/embedded/16/', | |
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231 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
| 761 | 232 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
| 675 | 233 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 234 } |
| 690 | 235 }, |
| 768 | 236 |
| 690 | 237 // number of visible button groups |
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238 'visibleButtonSets' : 1, |
| 609 | 239 // is birdView shown? |
| 240 'isBirdDivVisible' : false, | |
| 661 | 241 // dimensions of bird's eye div |
| 667 | 242 'birdDivWidth' : 200, |
| 243 'birdDivHeight' : 200, | |
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244 // parameters used by bird's eye div |
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245 'birdDivParams' : ['fn','pn','dw','dh'], |
| 609 | 246 // is the "about" window shown? |
| 734 | 247 'isAboutDivVisible' : false, |
| 248 // maximum width of background image for drag-scroll | |
| 771 | 249 'maxBgSize' : 10000, |
| 772 | 250 // space to be left free in full page display, default value is for scrollbar |
| 778 | 251 'scalerInset' : 10 |
| 603 | 252 }; |
| 648 | 253 |
| 779 | 254 // list of plugins |
| 255 var plugins = {}; | |
| 256 | |
| 257 // affine geometry plugin stub | |
| 778 | 258 var geom; |
| 648 | 259 |
| 778 | 260 var FULL_AREA; |
| 648 | 261 |
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262 var actions = { |
| 661 | 263 // init: digilib initialization |
| 264 init : function(options) { | |
| 779 | 265 // import geometry classes |
| 266 if (plugins.geometry == null) { | |
| 267 $.error("jquery.digilib.geometry plugin not found!"); | |
| 778 | 268 geom = dlGeometry(); |
| 269 } else { | |
| 779 | 270 geom = plugins.geometry.init(); |
| 778 | 271 } |
| 272 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 273 | |
| 661 | 274 // settings for this digilib instance are merged from defaults and options |
| 275 var settings = $.extend({}, defaults, options); | |
| 276 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 277 var queryParams = {}; | |
| 278 if (isFullscreen) { | |
| 279 queryParams = parseQueryParams(); | |
| 280 // check scalerBaseUrl | |
| 281 if (settings.scalerBaseUrl == null) { | |
| 282 // try the host this came from | |
| 283 var h = window.location.host; | |
| 284 if (window.location.host) { | |
| 285 var url = window.location.href; | |
| 286 // assume the page lives in [webapp]/jquery/ | |
| 287 var pos = url.indexOf('jquery/'); | |
| 288 if (pos > 0) { | |
| 289 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 645 | 290 } |
| 291 } | |
| 629 | 292 } |
| 661 | 293 } |
| 294 return this.each(function() { | |
| 295 var $elem = $(this); | |
| 296 var data = $elem.data('digilib'); | |
| 681 | 297 var params, elemSettings; |
| 661 | 298 // if the plugin hasn't been initialized yet |
| 299 if (!data) { | |
| 300 // merge query parameters | |
| 301 if (isFullscreen) { | |
| 681 | 302 params = queryParams; |
| 661 | 303 } else { |
| 681 | 304 params = parseImgParams($elem); |
| 778 | 305 if ($.cookie) { |
| 720 | 306 // retrieve params from cookie |
| 307 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 778 | 308 var cs = $.cookie(ck); |
| 720 | 309 console.debug("get cookie=", ck, " value=", cs); |
| 310 if (cs) { | |
| 311 var cp = parseQueryString(cs); | |
| 721 | 312 // ignore fn and pn from cookie TODO: should we keep pn? |
| 313 delete cp.fn; | |
| 314 delete cp.pn; | |
| 778 | 315 $.extend(params, cp); |
| 720 | 316 } |
| 317 } | |
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318 } |
| 661 | 319 // store $(this) element in the settings |
| 778 | 320 elemSettings = $.extend({}, settings, params); |
| 690 | 321 data = { |
| 661 | 322 $elem : $elem, |
| 323 settings : elemSettings, | |
| 681 | 324 queryParams : params |
| 661 | 325 }; |
| 326 // store in data element | |
| 327 $elem.data('digilib', data); | |
| 328 } | |
| 329 unpackParams(data); | |
| 737 | 330 // check if browser knows *background-size |
| 734 | 331 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 332 if ($elem.css(bs+'background-size')) { | |
| 333 data.hasBgSize = true; | |
| 334 data.bgSizeName = bs+'background-size'; | |
| 335 break; | |
| 336 } | |
| 337 } | |
| 737 | 338 // check digilib base URL |
| 339 if (elemSettings.digilibBaseUrl == null) { | |
| 340 if (isFullscreen) { | |
| 341 // take current host | |
| 342 var url = window.location.toString(); | |
| 343 var pos = url.indexOf('?'); | |
| 344 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 345 } else { | |
| 346 var url = elemSettings.scalerBaseUrl; | |
| 347 if (url) { | |
| 348 // build it from scaler URL | |
| 349 var bp = url.indexOf('/servlet/Scaler'); | |
| 758 | 350 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 737 | 351 } |
| 352 } | |
| 353 } | |
| 779 | 354 // initialise plugins |
| 355 for (p in plugins) { | |
| 356 plugins[p].init(data); | |
| 357 } | |
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358 // get image info from server if needed |
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359 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 760 | 360 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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361 } |
| 772 | 362 // create buttons before scaler |
| 690 | 363 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
| 364 showButtons(data, true, i); | |
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365 } |
| 772 | 366 // create HTML structure for scaler, taking width of buttons div into account |
| 367 setupScalerDiv(data); | |
| 758 | 368 highlightButtons(data); |
| 661 | 369 // bird's eye view creation |
| 703 | 370 if (elemSettings.isBirdDivVisible) { |
| 631 | 371 setupBirdDiv(data); |
| 716 | 372 data.$birdDiv.show(); |
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373 } |
| 661 | 374 // about window creation - TODO: could be deferred? restrict to only one item? |
| 375 setupAboutDiv(data); | |
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376 // drag zoom area around in scaler div |
| 748 | 377 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 661 | 378 }); |
| 379 }, | |
| 380 | |
| 381 // destroy: clean up digilib | |
| 382 destroy : function(data) { | |
| 383 return this.each(function(){ | |
| 384 var $elem = $(this); | |
| 385 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 386 data.digilib.remove(); | |
| 387 $elem.removeData('digilib'); | |
| 388 }); | |
| 389 }, | |
| 390 | |
| 391 // show or hide the 'about' window | |
| 392 showAboutDiv : function(data, show) { | |
| 758 | 393 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 394 data.settings.isAboutDivVisible = on; | |
| 395 highlightButtons(data, 'help', on); | |
| 661 | 396 }, |
| 648 | 397 |
| 661 | 398 // event handler: toggles the visibility of the bird's eye window |
| 399 showBirdDiv : function (data, show) { | |
| 719 | 400 var settings = data.settings; |
| 661 | 401 if (data.$birdDiv == null) { |
| 402 // no bird div -> create | |
| 403 setupBirdDiv(data); | |
| 404 } | |
| 758 | 405 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 406 settings.isBirdDivVisible = on; | |
| 407 highlightButtons(data, 'bird', on); | |
| 719 | 408 updateBirdDiv(data); |
| 716 | 409 storeOptions(data); |
| 661 | 410 }, |
| 411 | |
| 412 // goto given page nr (+/-: relative) | |
| 413 gotoPage : function (data, pageNr) { | |
| 414 var settings = data.settings; | |
| 415 var oldpn = settings.pn; | |
| 709 | 416 if (pageNr == null) { |
| 417 pageNr = window.prompt("Goto page number", oldpn); | |
| 418 } | |
| 661 | 419 var pn = setNumValue(settings, "pn", pageNr); |
| 420 if (pn == null) return false; // nothing happened | |
| 421 if (pn < 1) { | |
| 422 alert("no such page (page number too low)"); | |
| 423 settings.pn = oldpn; | |
| 424 return false; | |
| 425 } | |
| 760 | 426 // TODO: how do we get pt? |
| 661 | 427 if (settings.pt) { |
| 428 if (pn > settings.pt) { | |
| 429 alert("no such page (page number too high)"); | |
| 616 | 430 settings.pn = oldpn; |
| 431 return false; | |
| 627 | 432 } |
| 661 | 433 } |
| 434 // reset mk and others(?) | |
| 435 data.marks = []; | |
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436 data.zoomArea = FULL_AREA; |
| 661 | 437 // then reload |
| 438 redisplay(data); | |
| 439 }, | |
| 647 | 440 |
| 661 | 441 // zoom by a given factor |
| 442 zoomBy : function (data, factor) { | |
| 443 zoomBy(data, factor); | |
| 444 }, | |
| 640 | 445 |
| 760 | 446 // zoom to area (or interactive) |
| 447 zoomArea : function (data, area) { | |
| 448 var settings = data.settings; | |
| 449 if (area == null) { | |
| 450 // interactively | |
| 451 zoomArea(data); | |
| 452 } else { | |
| 453 data.zoomArea = geom.rectangle(area); | |
| 454 redisplay(data); | |
| 455 } | |
| 661 | 456 }, |
| 643 | 457 |
| 661 | 458 // zoom out to full page |
| 459 zoomFull : function (data, mode) { | |
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460 data.zoomArea = FULL_AREA; |
| 661 | 461 if (mode === 'width') { |
| 462 data.dlOpts.fitwidth = 1; | |
| 463 delete data.dlOpts.fitheight; | |
| 464 } else if (mode === 'height') { | |
| 465 data.dlOpts.fitheight = 1; | |
| 466 delete data.dlOpts.fitwidth; | |
| 467 } else { | |
| 468 delete data.dlOpts.fitwidth; | |
| 469 delete data.dlOpts.fitheight; | |
| 470 } | |
| 471 redisplay(data); | |
| 472 }, | |
| 473 | |
| 474 // set a mark by clicking (or giving a position) | |
| 475 setMark : function (data, mpos) { | |
| 476 if (mpos == null) { | |
| 477 // interactive | |
| 478 setMark(data); | |
| 479 } else { | |
| 480 // use position | |
| 481 data.marks.push(pos); | |
| 656 | 482 redisplay(data); |
| 597 | 483 } |
| 661 | 484 }, |
| 485 | |
| 486 // remove the last mark | |
| 487 removeMark : function (data) { | |
| 488 data.marks.pop(); | |
| 489 redisplay(data); | |
| 490 }, | |
| 491 | |
| 492 // mirror the image | |
| 493 mirror : function (data, mode) { | |
| 494 var flags = data.scalerFlags; | |
| 495 if (mode === 'h') { | |
| 496 if (flags.hmir) { | |
| 497 delete flags.hmir; | |
| 498 } else { | |
| 499 flags.hmir = 1; | |
| 500 } | |
| 501 } else { | |
| 502 if (flags.vmir) { | |
| 503 delete flags.vmir; | |
| 504 } else { | |
| 505 flags.vmir = 1; | |
| 506 } | |
| 507 } | |
| 508 redisplay(data); | |
| 509 }, | |
| 643 | 510 |
| 661 | 511 // rotate the image |
| 512 rotate : function (data, angle) { | |
| 513 var rot = data.settings.rot; | |
| 514 if (angle == null) { | |
| 515 angle = window.prompt("Rotation angle:", rot); | |
| 516 } | |
| 517 data.settings.rot = angle; | |
| 518 redisplay(data); | |
| 519 }, | |
| 520 | |
| 521 // change brightness | |
| 522 brightness : function (data, factor) { | |
| 523 var brgt = data.settings.brgt; | |
| 524 if (factor == null) { | |
| 525 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 526 } | |
| 527 data.settings.brgt = factor; | |
| 528 redisplay(data); | |
| 529 }, | |
| 530 | |
| 531 // change contrast | |
| 532 contrast : function (data, factor) { | |
| 533 var cont = data.settings.cont; | |
| 534 if (factor == null) { | |
| 535 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 536 } | |
| 537 data.settings.cont = factor; | |
| 538 redisplay(data); | |
| 681 | 539 }, |
| 703 | 540 |
| 683 | 541 // display more (or less) button sets |
| 741 | 542 moreButtons : function (data, more) { |
| 689 | 543 var settings = data.settings; |
| 692 | 544 if (more == null) { |
| 696 | 545 // toggle more or less (only works for 2 sets) |
| 692 | 546 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 547 if (settings.visibleButtonSets >= maxbtns) { | |
| 548 more = '-1'; | |
| 549 } else { | |
| 550 more = '+1'; | |
| 551 } | |
| 552 } | |
| 683 | 553 if (more === '-1') { |
| 554 // remove set | |
| 690 | 555 var setIdx = settings.visibleButtonSets - 1; |
| 556 if (showButtons(data, false, setIdx, true)) { | |
| 557 settings.visibleButtonSets--; | |
| 558 } | |
| 683 | 559 } else { |
| 560 // add set | |
| 690 | 561 var setIdx = settings.visibleButtonSets; |
| 562 if (showButtons(data, true, setIdx, true)) { | |
| 563 settings.visibleButtonSets++; | |
| 683 | 564 } |
| 565 } | |
| 716 | 566 // persist setting |
| 567 storeOptions(data); | |
| 684 | 568 }, |
| 681 | 569 |
| 696 | 570 // reset image parameters to defaults |
| 681 | 571 reset : function (data) { |
| 572 var settings = data.settings; | |
| 573 var paramNames = settings.digilibParamNames; | |
| 574 var params = data.queryParams; | |
| 575 // delete all digilib parameters | |
| 576 for (var i = 0; i < paramNames.length; i++) { | |
| 577 var paramName = paramNames[i]; | |
| 578 delete settings[paramName]; | |
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579 } |
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580 settings.fn = params.fn || ''; // no default defined |
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581 settings.pn = params.pn || defaults.pn; |
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582 settings.dw = params.dw; |
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583 settings.dh = params.dh; |
| 702 | 584 settings.isBirdDivVisible = false; |
| 585 settings.visibleButtonSets = 1; | |
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586 // resets zoomArea, marks, scalerflags |
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587 data.zoomArea = FULL_AREA; |
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588 data.marks = []; |
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589 data.scalerFlags = {}; |
| 705 | 590 delete data.dlOpts.fitwidth; |
| 591 delete data.dlOpts.fitheight; | |
| 681 | 592 redisplay(data); |
| 682 | 593 }, |
| 594 | |
| 696 | 595 // presents a reference url (returns value if noprompt) |
| 596 reference : function (data, noprompt) { | |
| 682 | 597 var settings = data.settings; |
| 737 | 598 var url = getDigilibUrl(data); |
| 696 | 599 if (noprompt == null) { |
| 600 window.prompt("URL reference to the current view", url); | |
| 601 } | |
| 602 return url; | |
| 603 }, | |
| 703 | 604 |
| 696 | 605 // set image quality |
| 741 | 606 setQuality : function (data, qual) { |
| 696 | 607 var oldq = getQuality(data); |
| 608 if (qual == null) { | |
| 609 qual = window.prompt("Image quality (0..2)", oldq); | |
| 610 } | |
| 611 qual = parseInt(qual, 10); | |
| 612 if (qual >= 0 && qual <= 2) { | |
| 613 setQuality(data, qual); | |
| 614 redisplay(data); | |
| 615 } | |
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616 }, |
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617 |
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618 // calibrate (only faking) |
|
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619 calibrate : function (data, res) { |
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620 var oldRes = data.settings.ddpi; |
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621 if (res == null) { |
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622 res = window.prompt("Display resolution (dpi)", oldRes); |
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623 } |
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624 if (res != null) { |
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625 data.settings.ddpi = res; |
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626 redisplay(data); |
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627 } |
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628 }, |
| 768 | 629 |
|
754
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630 // set image scale mode |
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631 setScaleMode : function (data, mode) { |
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632 var oldM = getScaleMode(data); |
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633 if (mode == null) { |
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634 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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635 } |
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636 if (mode != null) { |
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637 setScaleMode(data, mode); |
|
756
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638 data.scaleMode = mode; |
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754
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639 redisplay(data); |
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640 } |
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641 } |
| 768 | 642 |
|
756
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643 // end of actions |
| 598 | 644 }; |
| 597 | 645 |
| 601 | 646 // returns parameters from page url |
| 600 | 647 var parseQueryParams = function() { |
| 629 | 648 return parseQueryString(window.location.search.slice(1)); |
| 649 }; | |
| 648 | 650 |
| 629 | 651 // returns parameters from embedded img-element |
| 600 | 652 var parseImgParams = function($elem) { |
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606
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653 var src = $elem.find('img').first().attr('src'); |
| 703 | 654 if (!src) return null; |
| 600 | 655 var pos = src.indexOf('?'); |
| 656 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 657 var scalerUrl = src.substring(0, pos); | |
| 620 | 658 var params = parseQueryString(query); |
| 659 params.scalerBaseUrl = scalerUrl; | |
| 660 return params; | |
| 629 | 661 }; |
| 600 | 662 |
| 601 | 663 // parses query parameter string into parameter object |
| 600 | 664 var parseQueryString = function(query) { |
| 694 | 665 var params = {}; |
| 666 if (query == null) return params; | |
| 600 | 667 var pairs = query.split("&"); |
| 629 | 668 //var keys = []; |
| 600 | 669 for (var i = 0; i < pairs.length; i++) { |
| 670 var pair = pairs[i].split("="); | |
| 671 if (pair.length === 2) { | |
| 620 | 672 params[pair[0]] = pair[1]; |
| 629 | 673 //keys.push(pair[0]); |
| 627 | 674 } |
| 629 | 675 } |
| 620 | 676 return params; |
| 629 | 677 }; |
| 661 | 678 |
| 636 | 679 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 680 var getParamString = function (settings, keys, defaults) { | |
| 608 | 681 var paramString = ''; |
| 643 | 682 var nx = false; |
| 608 | 683 for (i = 0; i < keys.length; ++i) { |
| 684 var key = keys[i]; | |
| 656 | 685 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 608 | 686 // first param gets no '&' |
| 643 | 687 if (nx) { |
| 688 paramString += '&'; | |
| 689 } else { | |
| 690 nx = true; | |
| 691 } | |
| 608 | 692 // add parm=val |
| 693 paramString += key + '=' + settings[key]; | |
| 636 | 694 } |
| 608 | 695 } |
| 696 return paramString; | |
| 624 | 697 }; |
| 698 | |
| 629 | 699 // returns URL and query string for Scaler |
| 700 var getScalerUrl = function (data) { | |
| 734 | 701 packParams(data); |
| 646 | 702 var settings = data.settings; |
| 645 | 703 if (settings.scalerBaseUrl == null) { |
| 704 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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705 } |
| 629 | 706 var keys = settings.scalerParamNames; |
| 636 | 707 var queryString = getParamString(settings, keys, defaults); |
| 629 | 708 var url = settings.scalerBaseUrl + '?' + queryString; |
| 709 return url; | |
| 710 }; | |
| 711 | |
| 734 | 712 // returns URL for bird's eye view image |
| 736 | 713 var getBirdImgUrl = function (data, moreParams) { |
| 734 | 714 var settings = data.settings; |
| 715 var birdDivOptions = { | |
| 716 dw : settings.birdDivWidth, | |
| 717 dh : settings.birdDivHeight | |
| 718 }; | |
| 778 | 719 var birdSettings = $.extend({}, settings, birdDivOptions); |
| 734 | 720 // use only the relevant parameters |
| 736 | 721 if (moreParams == null) { |
| 722 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 723 } else { | |
| 760 | 724 // filter scaler flags |
| 725 if (birdSettings.mo != null) { | |
| 726 var mo = ''; | |
| 727 if (data.scalerFlags.hmir != null) { | |
| 728 mo += 'hmir,'; | |
| 729 } | |
| 730 if (data.scalerFlags.vmir != null) { | |
| 731 mo += 'vmir'; | |
| 732 } | |
| 733 birdSettings.mo = mo; | |
| 734 } | |
| 736 | 735 var params = getParamString(birdSettings, |
| 736 settings.birdDivParams.concat(moreParams), defaults); | |
| 737 } | |
| 738 var url = settings.scalerBaseUrl + '?' + params; | |
| 734 | 739 return url; |
| 740 }; | |
|
738
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move birdview zoom indicator along with zoom drag
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|
741 |
| 629 | 742 // returns URL and query string for current digilib |
|
637
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743 var getDigilibUrl = function (data) { |
| 636 | 744 packParams(data); |
| 629 | 745 var settings = data.settings; |
|
637
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746 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 737 | 747 return settings.digilibBaseUrl + '?' + queryString; |
| 629 | 748 }; |
| 749 | |
| 760 | 750 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 751 var loadImageInfo = function (data, complete) { | |
|
747
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|
752 var settings = data.settings; |
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|
753 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
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754 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
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|
755 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 760 | 756 // TODO: better error handling |
| 778 | 757 $.getJSON(url, function (json) { |
|
747
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changeset
|
758 console.debug("got json data=", json); |
|
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changeset
|
759 data.imgInfo = json; |
|
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|
760 if (complete != null) { |
|
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|
761 complete.call(this, data, json); |
|
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|
762 } |
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|
763 }); |
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|
764 }; |
| 768 | 765 |
| 648 | 766 // processes some parameters into objects and stuff |
| 624 | 767 var unpackParams = function (data) { |
| 768 var settings = data.settings; | |
| 629 | 769 // zoom area |
| 624 | 770 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 771 data.zoomArea = zoomArea; |
| 629 | 772 // marks |
| 624 | 773 var marks = []; |
| 643 | 774 if (settings.mk) { |
| 775 var mk = settings.mk; | |
| 776 if (mk.indexOf(";") >= 0) { | |
| 777 var pa = mk.split(";"); // old format with ";" | |
| 778 } else { | |
| 779 var pa = mk.split(","); // new format | |
|
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780 } |
| 643 | 781 for (var i = 0; i < pa.length ; i++) { |
| 782 var pos = pa[i].split("/"); | |
| 783 if (pos.length > 1) { | |
| 784 marks.push(geom.position(pos[0], pos[1])); | |
|
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robcast
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changeset
|
785 } |
|
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|
786 } |
|
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|
787 } |
| 636 | 788 data.marks = marks; |
| 643 | 789 // mo (Scaler flags) |
| 790 var flags = {}; | |
| 791 if (settings.mo) { | |
| 792 var pa = settings.mo.split(","); | |
| 793 for (var i = 0; i < pa.length ; i++) { | |
| 794 flags[pa[i]] = pa[i]; | |
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795 } |
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796 } |
| 643 | 797 data.scalerFlags = flags; |
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798 data.scaleMode = getScaleMode(data); |
| 716 | 799 retrieveOptions(data); |
| 648 | 800 }; |
| 801 | |
| 624 | 802 // put objects back into parameters |
| 803 var packParams = function (data) { | |
| 804 var settings = data.settings; | |
| 629 | 805 // zoom area |
| 636 | 806 if (data.zoomArea) { |
| 640 | 807 settings.wx = cropFloat(data.zoomArea.x); |
| 808 settings.wy = cropFloat(data.zoomArea.y); | |
| 809 settings.ww = cropFloat(data.zoomArea.width); | |
| 810 settings.wh = cropFloat(data.zoomArea.height); | |
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811 } |
| 629 | 812 // marks |
| 636 | 813 if (data.marks) { |
| 643 | 814 settings.mk = ''; |
| 636 | 815 for (var i = 0; i < data.marks.length; i++) { |
| 643 | 816 if (i) { |
| 817 settings.mk += ','; | |
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818 } |
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819 settings.mk += cropFloat(data.marks[i].x).toString() + |
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820 '/' + cropFloat(data.marks[i].y).toString(); |
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821 } |
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822 } |
| 643 | 823 // Scaler flags |
| 824 if (data.scalerFlags) { | |
| 825 var mo = ''; | |
| 826 for (var f in data.scalerFlags) { | |
| 827 if (mo) { | |
| 828 mo += ','; | |
| 829 } | |
| 830 mo += f; | |
| 831 } | |
| 832 settings.mo = mo; | |
| 833 } | |
| 703 | 834 // user interface options |
| 716 | 835 storeOptions(data); |
| 702 | 836 }; |
| 681 | 837 |
| 716 | 838 var storeOptions = function (data) { |
| 694 | 839 // save digilib options in cookie |
| 702 | 840 var settings = data.settings; |
| 841 if (data.dlOpts) { | |
| 842 // save digilib settings in options | |
| 843 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 844 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 845 var clop = ''; | |
| 846 for (var o in data.dlOpts) { | |
| 847 if (clop) { | |
| 848 clop += '&'; | |
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849 } |
| 702 | 850 clop += o + '=' + data.dlOpts[o]; |
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851 } |
| 778 | 852 if ($.cookie) { |
| 702 | 853 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 854 console.debug("set cookie=", ck, " value=", clop); | |
| 778 | 855 $.cookie(ck, clop); |
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856 } |
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857 } |
| 778 | 858 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 720 | 859 // store normal parameters in cookie for embedded mode |
| 860 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 861 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 862 console.debug("set cookie=", ck, " value=", qs); | |
| 778 | 863 $.cookie(ck, qs); |
| 720 | 864 } |
| 624 | 865 }; |
| 648 | 866 |
| 716 | 867 var retrieveOptions = function (data) { |
| 702 | 868 // clop (digilib options) |
| 869 var opts = {}; | |
| 870 var settings = data.settings; | |
| 778 | 871 if ($.cookie) { |
| 702 | 872 // read from cookie |
| 873 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 778 | 874 var cp = $.cookie(ck); |
| 702 | 875 console.debug("get cookie=", ck, " value=", cp); |
| 876 // in query string format | |
| 877 opts = parseQueryString(cp); | |
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878 } |
| 702 | 879 data.dlOpts = opts; |
| 880 // birdview option | |
| 881 if (opts.birdview != null) { | |
| 882 settings.isBirdDivVisible = opts.birdview === '1'; | |
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883 } |
| 702 | 884 // visible button sets |
| 885 if (opts.buttons != null) { | |
| 886 settings.visibleButtonSets = opts.buttons; | |
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887 } |
| 704 | 888 }; |
| 702 | 889 |
| 615 | 890 // (re)load the img from a new scaler URL |
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891 var redisplay = function (data) { |
| 629 | 892 var settings = data.settings; |
| 893 if (settings.interactionMode === 'fullscreen') { | |
| 894 // update location.href (browser URL) in fullscreen mode | |
|
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895 var url = getDigilibUrl(data); |
| 629 | 896 var history = window.history; |
| 897 if (typeof(history.pushState) === 'function') { | |
| 898 console.debug("we could modify history, but we don't..."); | |
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899 } |
| 629 | 900 window.location = url; |
| 901 } else { | |
| 902 // embedded mode -- just change img src | |
| 903 var url = getScalerUrl(data); | |
| 904 data.$img.attr('src', url); | |
| 719 | 905 // redisplay bird img |
| 906 updateBirdDiv(data); | |
| 758 | 907 highlightButtons(data); |
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908 } |
| 615 | 909 }; |
| 910 | |
| 760 | 911 // update display (overlays etc.) |
| 912 var updateDisplay = function (data) { | |
| 913 updateImgTrafo(data); | |
| 914 renderMarks(data); | |
| 915 setupZoomDrag(data); | |
| 916 if (data.settings.isBirdDivVisible) { | |
| 917 renderBirdArea(data); | |
| 918 setupBirdDrag(data); | |
| 919 } | |
| 777 | 920 // send event |
| 921 $(data).trigger('update'); | |
| 760 | 922 }; |
| 768 | 923 |
| 655 | 924 // returns maximum size for scaler img in fullscreen mode |
| 771 | 925 var getFullscreenImgSize = function (data) { |
| 655 | 926 var $win = $(window); |
| 927 var winH = $win.height(); | |
| 772 | 928 var winW = $win.width(); |
| 929 var $body = $('body'); | |
| 773 | 930 // include standard body margins |
| 931 var borderW = $body.outerWidth(true) - $body.width(); | |
| 932 var borderH = $body.outerHeight(true) - $body.height(); | |
| 772 | 933 // get width of first button div |
| 934 var buttonsW = 0; | |
| 935 if (data.$buttonSets) { | |
| 936 buttonsW = data.$buttonSets[0].outerWidth(); | |
| 937 } | |
| 938 // account for left/right border, body margins and additional requirements | |
| 773 | 939 var calcW = winW - borderW - buttonsW - data.settings.scalerInset; |
| 940 var calcH = winH - borderH; | |
| 941 console.debug(winW, winH, 'winW:', $win.width(), 'border:', borderW, 'buttonsW:', buttonsW, 'calc:', calcW); | |
| 942 return geom.size(calcW, calcH); | |
| 655 | 943 }; |
| 944 | |
| 601 | 945 // creates HTML structure for digilib in elem |
| 620 | 946 var setupScalerDiv = function (data) { |
| 947 var settings = data.settings; | |
| 640 | 948 var $elem = data.$elem; |
| 718 | 949 $elem.addClass('digilib'); |
| 721 | 950 var $img; |
| 951 var scalerUrl; | |
| 601 | 952 if (settings.interactionMode === 'fullscreen') { |
| 721 | 953 // fullscreen |
| 718 | 954 $elem.addClass('dl_fullscreen'); |
| 771 | 955 var imgSize = getFullscreenImgSize(data); |
| 643 | 956 // fitwidth/height omits destination height/width |
| 721 | 957 if (data.dlOpts.fitheight == null) { |
| 643 | 958 settings.dw = imgSize.width; |
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959 } |
| 721 | 960 if (data.dlOpts.fitwidth == null) { |
| 643 | 961 settings.dh = imgSize.height; |
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962 } |
| 679 | 963 scalerUrl = getScalerUrl(data); |
| 721 | 964 $img = $('<img/>'); |
| 602 | 965 } else { |
| 721 | 966 // embedded mode -- try to keep img tag |
| 718 | 967 $elem.addClass('dl_embedded'); |
| 721 | 968 scalerUrl = getScalerUrl(data); |
| 616 | 969 $img = $elem.find('img'); |
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970 if ($img.length > 0) { |
| 721 | 971 oldUrl = $img.attr('src'); |
| 972 if (oldUrl === scalerUrl) { | |
| 973 console.debug("img detach:", $img); | |
| 974 $img.detach(); | |
| 975 } else { | |
| 976 $img = $('<img/>'); | |
| 977 } | |
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978 } else { |
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979 $img = $('<img/>'); |
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980 } |
| 601 | 981 } |
| 772 | 982 // create new inner html, keep buttons |
| 983 $elem.contents(":not(div.buttons)").remove(); | |
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984 var $scaler = $('<div class="scaler"/>'); |
| 772 | 985 // scaler should be the first child element? |
| 986 $elem.prepend($scaler); | |
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987 $scaler.append($img); |
| 615 | 988 $img.addClass('pic'); |
| 642 | 989 data.$scaler = $scaler; |
| 629 | 990 data.$img = $img; |
| 680 | 991 // setup image load handler before setting the src attribute (IE bug) |
| 992 $img.load(scalerImgLoadedHandler(data)); | |
| 760 | 993 $img.error(function () {console.error("error loading scaler image");}); |
| 680 | 994 $img.attr('src', scalerUrl); |
| 601 | 995 }; |
| 608 | 996 |
| 603 | 997 // creates HTML structure for buttons in elem |
| 690 | 998 var createButtons = function (data, buttonSetIdx) { |
| 640 | 999 var $elem = data.$elem; |
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1000 var settings = data.settings; |
| 658 | 1001 var mode = settings.interactionMode; |
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1002 var buttonSettings = settings.buttonSettings[mode]; |
| 675 | 1003 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 683 | 1004 if (buttonGroup == null) { |
| 1005 // no buttons here | |
| 1006 return; | |
| 1007 } | |
| 1008 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 675 | 1009 var buttonNames = buttonSettings[buttonGroup]; |
| 1010 for (var i = 0; i < buttonNames.length; i++) { | |
| 1011 var buttonName = buttonNames[i]; | |
| 1012 var buttonConfig = settings.buttons[buttonName]; | |
| 658 | 1013 // construct the button html |
| 1014 var $button = $('<div class="button"></div>'); | |
| 1015 var $a = $('<a/>'); | |
| 1016 var $img = $('<img class="button"/>'); | |
| 1017 $buttonsDiv.append($button); | |
| 1018 $button.append($a); | |
| 1019 $a.append($img); | |
| 1020 // add attributes and bindings | |
| 1021 $button.attr('title', buttonConfig.tooltip); | |
| 675 | 1022 $button.addClass('button-' + buttonName); |
| 658 | 1023 // create handler for the buttons |
| 1024 $a.bind('click.digilib', (function () { | |
| 1025 // we create a new closure to capture the value of action | |
| 1026 var action = buttonConfig.onclick; | |
| 1027 if ($.isArray(action)) { | |
| 1028 // the handler function calls digilib with action and parameters | |
| 1029 return function (evt) { | |
| 1030 console.debug('click action=', action, ' evt=', evt); | |
| 1031 $elem.digilib.apply($elem, action); | |
| 1032 return false; | |
| 1033 }; | |
| 1034 } else { | |
| 1035 // the handler function calls digilib with action | |
| 1036 return function (evt) { | |
| 1037 console.debug('click action=', action, ' evt=', evt); | |
| 1038 $elem.digilib(action); | |
| 1039 return false; | |
| 1040 }; | |
| 1041 } | |
| 1042 })()); | |
| 758 | 1043 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 683 | 1044 } |
| 655 | 1045 // make buttons div scroll if too large for window |
| 1046 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1047 $buttonsDiv.css('position', 'absolute'); | |
| 1048 } | |
| 690 | 1049 // buttons hidden at first |
| 1050 $buttonsDiv.hide(); | |
| 1051 $elem.append($buttonsDiv); | |
| 675 | 1052 if (data.$buttonSets == null) { |
| 690 | 1053 // first button set |
| 675 | 1054 data.$buttonSets = [$buttonsDiv]; |
| 1055 } else { | |
| 683 | 1056 $elem.append($buttonsDiv); |
| 675 | 1057 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1058 } | |
| 605 | 1059 return $buttonsDiv; |
| 603 | 1060 }; |
| 608 | 1061 |
| 1062 // creates HTML structure for the bird's eye view in elem | |
| 631 | 1063 var setupBirdDiv = function (data) { |
| 640 | 1064 var $elem = data.$elem; |
| 608 | 1065 // the bird's eye div |
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1066 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 608 | 1067 // the detail indicator frame |
| 719 | 1068 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 608 | 1069 // the small image |
| 1070 var $birdImg = $('<img class="birdimg"/>'); | |
| 716 | 1071 data.$birdDiv = $birdDiv; |
| 1072 data.$birdZoom = $birdZoom; | |
| 1073 data.$birdImg = $birdImg; | |
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1074 $elem.append($birdDiv); |
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1075 $birdDiv.append($birdZoom); |
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1076 $birdDiv.append($birdImg); |
| 768 | 1077 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 716 | 1078 var birdUrl = getBirdImgUrl(data); |
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1079 $birdImg.load(birdImgLoadedHandler(data)); |
| 760 | 1080 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 716 | 1081 $birdImg.attr('src', birdUrl); |
| 1082 }; | |
| 1083 | |
| 1084 // update bird's eye view | |
| 1085 var updateBirdDiv = function (data) { | |
| 1086 if (!data.settings.isBirdDivVisible) return; | |
| 1087 var $birdImg = data.$birdImg; | |
| 1088 var oldsrc = $birdImg.attr('src'); | |
| 1089 var newsrc = getBirdImgUrl(data); | |
| 1090 if (oldsrc !== newsrc) { | |
| 1091 $birdImg.attr('src', newsrc); | |
| 1092 // onload handler re-renders | |
| 1093 } else { | |
| 1094 // re-render | |
| 1095 renderBirdArea(data); | |
| 723 | 1096 // enable click and drag |
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1097 setupBirdDrag(data); |
| 716 | 1098 } |
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1099 }; |
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1100 |
| 618 | 1101 // creates HTML structure for the about view in elem |
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1102 var setupAboutDiv = function (data) { |
| 640 | 1103 var $elem = data.$elem; |
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1104 var settings = data.settings; |
| 618 | 1105 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 609 | 1106 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1107 var $link = $('<a/>'); | |
| 1108 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1109 var $content = $('<p/>'); | |
| 1110 $elem.append($aboutDiv); | |
| 1111 $aboutDiv.append($header); | |
| 1112 $aboutDiv.append($link); | |
| 1113 $aboutDiv.append($content); | |
| 1114 $link.append($logo); | |
| 1115 $logo.attr('src', settings.logoUrl); | |
| 628 | 1116 $link.attr('href', settings.homeUrl); |
| 609 | 1117 $content.text('Version: ' + settings.version); |
| 768 | 1118 data.$aboutDiv = $aboutDiv; |
| 628 | 1119 // click hides |
| 768 | 1120 $aboutDiv.bind('click.digilib', function () { |
| 1121 actions['showAboutDiv'](data, false); | |
| 703 | 1122 }); |
| 627 | 1123 }; |
| 1124 | |
| 628 | 1125 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1126 var showDiv = function (isVisible, $div, show) { | |
| 638 | 1127 if (show == null) { |
| 628 | 1128 // toggle visibility |
| 1129 isVisible = !isVisible; | |
| 1130 } else { | |
| 1131 // set visibility | |
| 1132 isVisible = show; | |
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1133 } |
| 628 | 1134 if (isVisible) { |
| 1135 $div.fadeIn(); | |
| 1136 } else { | |
| 1137 $div.fadeOut(); | |
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1138 } |
| 628 | 1139 return isVisible; |
| 627 | 1140 }; |
| 609 | 1141 |
| 690 | 1142 // display more (or less) button sets |
| 1143 var showButtons = function (data, more, setIdx, animated) { | |
| 704 | 1144 var atime = animated ? 'fast': 0; |
| 690 | 1145 if (more) { |
| 1146 // add set | |
| 1147 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1148 var $set; | |
| 1149 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1150 // set exists | |
| 1151 $set = data.$buttonSets[setIdx]; | |
| 1152 } else { | |
| 1153 $set = createButtons(data, setIdx); | |
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1154 } |
| 690 | 1155 if ($set == null) return false; |
| 758 | 1156 // include border in calculation |
| 1157 var btnWidth = $set.outerWidth(); | |
| 772 | 1158 // console.debug("btnWidth", btnWidth); |
| 690 | 1159 // move remaining sets left and show new set |
| 704 | 1160 if ($otherSets.length > 0) { |
| 1161 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1162 function () {$set.show();}); | |
| 690 | 1163 } else { |
| 1164 $set.show(); | |
| 704 | 1165 } |
| 690 | 1166 } else { |
| 1167 // remove set | |
| 1168 var $set = data.$buttonSets[setIdx]; | |
| 1169 if ($set == null) return false; | |
| 772 | 1170 var btnWidth = $set.outerWidth(); |
| 690 | 1171 // hide last set |
| 1172 $set.hide(); | |
| 1173 // take remaining sets and move right | |
| 1174 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 704 | 1175 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1176 } | |
| 690 | 1177 return true; |
| 1178 }; | |
| 1179 | |
| 758 | 1180 // check for buttons to highlight |
| 1181 var highlightButtons = function (data, name, on) { | |
| 1182 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1183 // add a class for highlighted button | |
| 1184 var highlight = function (name, on) { | |
| 1185 var $button = $buttons.find('div.button-' + name); | |
| 1186 if (on) { | |
| 1187 $button.addClass('button-on'); | |
| 1188 } else { | |
| 1189 $button.removeClass('button-on'); | |
| 1190 } | |
| 1191 }; | |
| 1192 if (name != null) { | |
| 1193 return highlight(name, on); | |
| 1194 } | |
| 1195 var flags = data.scalerFlags; | |
| 1196 var settings = data.settings; | |
| 1197 highlight('rot', settings.rot); | |
| 1198 highlight('brgt', settings.brgt); | |
| 1199 highlight('cont', settings.cont); | |
| 1200 highlight('bird', settings.isBirdDivVisible); | |
| 1201 highlight('help', settings.isAboutDivVisible); | |
| 1202 highlight('hmir', flags.hmir); | |
| 1203 highlight('vmir', flags.vmir); | |
| 759 | 1204 highlight('quality', flags.q1 || flags.q2); |
| 758 | 1205 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1206 }; | |
| 768 | 1207 |
|
651
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split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1208 // create Transform from area and $img |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1209 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1210 var picrect = geom.rectangle($img); |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1211 if (mode != null) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1212 var imgInfo = data.imgInfo; |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1213 if (mode === 'pixel') { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1214 // scaler mo=clip - image area size does not come from ww, wh |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1215 if (imgInfo != null) { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1216 area.width = picrect.width / imgInfo.width; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1217 area.height = picrect.height / imgInfo.height; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1218 } else { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1219 console.error("No image info for pixel mode!"); |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1220 } |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1221 } |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1222 if (mode === 'size') { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1223 // scaler mo=osize - image area size does not come from ww, wh |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1224 if (imgInfo != null) { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1225 var ddpi = parseFloat(data.settings.ddpi); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1226 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1227 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1228 } else { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1229 console.error("No image info for original size mode!"); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1230 } |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1231 } |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1232 } |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1233 var trafo = geom.transform(); |
| 668 | 1234 // move zoom area offset to center |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
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diff
changeset
|
1235 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 668 | 1236 // scale zoom area size to [1,1] |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1237 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 668 | 1238 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1239 if (rot || hmir || vmir) { | |
| 1240 // move [0.5,0.5] to center | |
| 1241 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1242 if (hmir) { | |
| 1243 // mirror about center | |
| 1244 trafo.concat(trafo.getMirror('y')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1245 } |
| 668 | 1246 if (vmir) { |
| 1247 // mirror about center | |
| 1248 trafo.concat(trafo.getMirror('x')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1249 } |
| 668 | 1250 if (rot) { |
| 1251 // rotate around center | |
| 1252 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1253 } |
| 668 | 1254 // move back |
| 1255 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1256 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1257 // scale to screen position and size |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1258 trafo.concat(trafo.getScale(picrect)); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1259 trafo.concat(trafo.getTranslation(picrect)); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1260 return trafo; |
| 648 | 1261 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1262 |
| 760 | 1263 // update scaler image transform |
| 1264 var updateImgTrafo = function (data) { | |
| 1265 var $img = data.$img; | |
| 1266 if ($img != null && $img.get(0).complete) { | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1267 // create Transform from current zoomArea and image size |
| 668 | 1268 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1269 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1270 data.scaleMode, data); |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1271 // console.debug("imgTrafo=", data.imgTrafo); |
| 760 | 1272 } |
| 1273 }; | |
| 768 | 1274 |
| 760 | 1275 // returns function for load event of scaler img |
| 1276 var scalerImgLoadedHandler = function (data) { | |
| 1277 return function () { | |
| 1278 var $img = $(this); | |
| 1279 console.debug("scaler img loaded=",$img); | |
| 1280 var $scaler = data.$scaler; | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1281 var imgRect = geom.rectangle($img); |
| 726 | 1282 // adjust scaler div size |
| 731 | 1283 imgRect.adjustDiv($scaler); |
| 708 | 1284 // show image in case it was hidden (for example in zoomDrag) |
| 726 | 1285 $img.css('visibility', 'visible'); |
| 734 | 1286 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1287 // update display (render marks, etc.) |
| 1288 updateDisplay(data); | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1289 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1290 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1291 |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1292 // returns function for load event of bird's eye view img |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1293 var birdImgLoadedHandler = function (data) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1294 return function () { |
| 748 | 1295 var $birdImg = $(this); |
| 1296 var birdRect = geom.rectangle($birdImg); | |
| 1297 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1298 if (birdRect.width === 0) { | |
| 1299 // malheureusement IE7 calls load handler when there is no size info yet | |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1300 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 748 | 1301 } |
| 760 | 1302 // update display (zoom area indicator) |
| 1303 updateDisplay(data); | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1304 }; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1305 }; |
| 626 | 1306 |
| 1307 // place marks on the image | |
| 1308 var renderMarks = function (data) { | |
| 760 | 1309 if (data.$img == null || data.imgTrafo == null) return; |
| 1310 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 640 | 1311 var $elem = data.$elem; |
| 636 | 1312 var marks = data.marks; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1313 // clear marks |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1314 $elem.find('div.mark').remove(); |
| 626 | 1315 for (var i = 0; i < marks.length; i++) { |
| 1316 var mark = marks[i]; | |
| 636 | 1317 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 1318 var mpos = data.imgTrafo.transform(mark); |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1319 console.debug("renderMarks: mpos=",mpos); |
| 626 | 1320 // create mark |
| 1321 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1322 var $mark = $(html); | |
| 1323 $elem.append($mark); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1324 mpos.adjustDiv($mark); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1325 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1326 } |
| 626 | 1327 }; |
| 648 | 1328 |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
1329 // show zoom area indicator on bird's eye view |
| 716 | 1330 var renderBirdArea = function (data) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1331 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1332 var $birdZoom = data.$birdZoom; |
| 652 | 1333 var zoomArea = data.zoomArea; |
| 716 | 1334 var normalSize = isFullArea(zoomArea); |
| 1335 if (normalSize) { | |
| 1336 $birdZoom.hide(); | |
| 1337 return; | |
| 1338 } else { | |
| 1339 $birdZoom.show(); | |
| 1340 } | |
| 748 | 1341 // create Transform from current area and picsize |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1342 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 731 | 1343 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 748 | 1344 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 734 | 1345 // acount for border width |
| 768 | 1346 var bw = getBorderWidth($birdZoom); |
| 1347 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1348 if (data.settings.interactionMode === 'fullscreen') { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1349 // no animation for fullscreen |
| 731 | 1350 zoomRect.adjustDiv($birdZoom); |
| 716 | 1351 } else { |
| 1352 // nice animation for embedded mode :-) | |
| 734 | 1353 // correct offsetParent because animate doesn't use offset |
| 719 | 1354 var ppos = $birdZoom.offsetParent().offset(); |
| 731 | 1355 var dest = { |
| 748 | 1356 left : (zoomRect.x - ppos.left) + 'px', |
| 1357 top : (zoomRect.y - ppos.top) + 'px', | |
| 1358 width : zoomRect.width, | |
| 1359 height : zoomRect.height | |
| 1360 }; | |
| 731 | 1361 $birdZoom.animate(dest); |
| 716 | 1362 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1363 }; |
| 652 | 1364 |
| 640 | 1365 // zooms by the given factor |
| 636 | 1366 var zoomBy = function(data, factor) { |
| 1367 var area = data.zoomArea; | |
| 1368 var newarea = area.copy(); | |
| 1369 // scale | |
| 1370 newarea.width /= factor; | |
| 1371 newarea.height /= factor; | |
| 1372 // and recenter | |
| 1373 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1374 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1375 newarea = FULL_AREA.fit(newarea); |
| 636 | 1376 data.zoomArea = newarea; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1377 redisplay(data); |
| 636 | 1378 }; |
| 1379 | |
| 640 | 1380 // add a mark where clicked |
| 1381 var setMark = function (data) { | |
| 642 | 1382 var $scaler = data.$scaler; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1383 // unbind other handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1384 $scaler.unbind(".dlZoomDrag"); |
| 640 | 1385 // start event capturing |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1386 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 640 | 1387 // event handler adding a new mark |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1388 console.log("setmark at=", evt); |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1389 var mpos = geom.position(evt); |
| 640 | 1390 var pos = data.imgTrafo.invtransform(mpos); |
| 1391 data.marks.push(pos); | |
| 1392 redisplay(data); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1393 return false; |
| 640 | 1394 }); |
| 1395 }; | |
| 661 | 1396 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1397 // zoom to the area around two clicked points |
| 647 | 1398 var zoomArea = function(data) { |
| 1399 $elem = data.$elem; | |
| 1400 $scaler = data.$scaler; | |
| 1401 var pt1, pt2; | |
| 1402 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1403 $elem.append($zoomDiv); | |
| 768 | 1404 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 647 | 1405 var picRect = geom.rectangle($scaler); |
| 1406 // FIX ME: is there a way to query the border width from CSS info? | |
| 1407 // rect.x -= 2; // account for overlay borders | |
| 1408 // rect.y -= 2; | |
| 1409 | |
| 1410 var zoomStart = function (evt) { | |
| 1411 pt1 = geom.position(evt); | |
| 1412 // setup and show zoom div | |
| 731 | 1413 pt1.adjustDiv($zoomDiv); |
| 661 | 1414 $zoomDiv.width(0).height(0); |
| 647 | 1415 $zoomDiv.show(); |
| 1416 // register events | |
| 731 | 1417 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1418 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1419 return false; |
| 1420 }; | |
| 661 | 1421 |
| 734 | 1422 // mouse move handler |
| 1423 var zoomMove = function (evt) { | |
| 1424 pt2 = geom.position(evt); | |
| 1425 var rect = geom.rectangle(pt1, pt2); | |
| 1426 rect.clipTo(picRect); | |
| 1427 // update zoom div | |
| 1428 rect.adjustDiv($zoomDiv); | |
| 1429 return false; | |
| 1430 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1431 |
| 647 | 1432 // mouseup handler: end moving |
| 1433 var zoomEnd = function (evt) { | |
| 1434 pt2 = geom.position(evt); | |
| 1435 // assume a click and continue if the area is too small | |
| 1436 var clickRect = geom.rectangle(pt1, pt2); | |
| 703 | 1437 if (clickRect.getArea() <= 5) return false; |
| 647 | 1438 // hide zoom div |
| 1439 $zoomDiv.remove(); | |
| 1440 // unregister events | |
| 731 | 1441 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1442 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1443 // clip and transform |
| 1444 clickRect.clipTo(picRect); | |
| 1445 var area = data.imgTrafo.invtransform(clickRect); | |
| 1446 data.zoomArea = area; | |
| 1447 // zoomed is always fit | |
| 1448 data.settings.ws = 1; | |
| 731 | 1449 delete data.dlOpts.fitwidth; |
| 1450 delete data.dlOpts.fitheight; | |
| 647 | 1451 redisplay(data); |
| 1452 return false; | |
| 1453 }; | |
| 661 | 1454 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1455 // clear old handler (also ZoomDrag) |
| 731 | 1456 $scaler.unbind('.dlZoomArea'); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1457 $scaler.unbind(".dlZoomDrag"); |
| 731 | 1458 $elem.unbind('.dlZoomArea'); |
| 647 | 1459 // bind start zoom handler |
| 731 | 1460 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 647 | 1461 }; |
| 640 | 1462 |
| 716 | 1463 // bird's eye view zoom area click and drag handler |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1464 var setupBirdDrag = function(data) { |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1465 var $birdImg = data.$birdImg; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1466 var $birdZoom = data.$birdZoom; |
| 723 | 1467 var $document = $(document); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1468 var $scaler = data.$scaler; |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1469 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 768 | 1470 var bw = getBorderWidth($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1471 |
| 734 | 1472 // mousedown handler: start dragging bird zoom to a new position |
| 1473 var birdZoomStartDrag = function(evt) { | |
| 1474 startPos = geom.position(evt); | |
| 1475 // position may have changed | |
| 1476 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1477 birdImgRect = geom.rectangle($birdImg); | |
| 1478 birdZoomRect = geom.rectangle($birdZoom); | |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1479 scalerPos = geom.position($scaler); |
| 734 | 1480 newRect = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1481 fullRect = setZoomBG(data); // setup zoom background image |
| 734 | 1482 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1483 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1484 return false; | |
| 1485 }; | |
| 1486 | |
| 726 | 1487 // mousemove handler: drag |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1488 var birdZoomMove = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1489 var pos = geom.position(evt); |
| 723 | 1490 var delta = startPos.delta(pos); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1491 // move birdZoom div, keeping size |
| 723 | 1492 newRect = birdZoomRect.copy(); |
| 726 | 1493 newRect.addPosition(delta); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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parents:
670
diff
changeset
|
1494 newRect.stayInside(birdImgRect); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1495 // reflect birdview zoom position in scaler image |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1496 var area = data.birdTrafo.invtransform(newRect); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1497 var imgArea = data.imgTrafo.transform(area); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1498 var offset = imgArea.getPosition().neg(); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1499 offset.add(scalerPos); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1500 if (fullRect) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1501 var bgPos = fullRect.getPosition().add(offset); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1502 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1503 var bgPos = offset; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1504 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1505 // move the background image to the new position |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1506 data.$scaler.css({ |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1507 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1508 }); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1509 // acount for border width |
| 768 | 1510 newRect.addPosition({x : -bw, y : -bw}); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1511 newRect.adjustDiv($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1512 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1513 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1514 |
| 726 | 1515 // mouseup handler: reload page |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1516 var birdZoomEndDrag = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1517 var settings = data.settings; |
| 723 | 1518 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1519 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1520 if (newRect == null) { | |
| 1521 // no movement happened - set center to click position | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1522 startPos = birdZoomRect.getCenter(); |
| 723 | 1523 birdZoomMove(evt); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1524 } |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1525 // ugly, but needed to prevent double border width compensation |
| 768 | 1526 newRect.addPosition({x : bw, y : bw}); |
| 723 | 1527 var newArea = data.birdTrafo.invtransform(newRect); |
| 1528 data.zoomArea = newArea; | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1529 redisplay(data); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1530 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1531 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1532 |
| 723 | 1533 // clear old handler |
| 1534 $document.unbind(".dlBirdMove"); | |
| 1535 $birdImg.unbind(".dlBirdMove"); | |
| 1536 $birdZoom.unbind(".dlBirdMove"); | |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1537 if (! isFullArea(data.zoomArea)) { |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1538 // set new handler |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1539 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1540 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1541 } |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1542 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1543 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1544 // move bird zoom indicator to reflect zoomed detail area |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1545 var setBirdZoom = function(data, rect) { |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1546 var part = data.imgTrafo.invtransform(rect); |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1547 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1548 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1549 var birdRect = birdTrafo.transform(part); |
| 768 | 1550 var $birdZoom = data.$birdZoom; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1551 // acount for border width |
| 768 | 1552 var bw = getBorderWidth($birdZoom); |
| 1553 birdRect.addPosition({x : -bw, y : -bw}); | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1554 birdRect.adjustDiv(data.$birdZoom); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1555 }; |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1556 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1557 // set zoom background |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1558 var setZoomBG = function(data) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1559 var $scaler = data.$scaler; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1560 var $img = data.$img; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1561 var fullRect = null; |
| 760 | 1562 // hide marks |
| 1563 data.$elem.find('div.mark').hide(); | |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1564 // hide the scaler img, show background of div instead |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1565 $img.css('visibility', 'hidden'); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1566 var scalerCss = { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1567 'background-image' : 'url(' + $img.attr('src') + ')', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1568 'background-repeat' : 'no-repeat', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1569 'background-position' : 'left top', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1570 'opacity' : '0.5', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1571 'cursor' : 'move' |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1572 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1573 if (data.hasBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1574 // full-size background using CSS3-background-size |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1575 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1576 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1577 // correct offset because background is relative |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1578 var scalerPos = geom.position($scaler); |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1579 fullRect.addPosition(scalerPos.neg()); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1580 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1581 scalerCss['background-image'] = 'url(' + url + ')'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1582 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1583 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1584 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1585 // too big |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1586 fullRect = null; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1587 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1588 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1589 $scaler.css(scalerCss); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1590 // isBgReady = true; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1591 return fullRect; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1592 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1593 |
| 731 | 1594 // setup handlers for dragging the zoomed image |
| 698 | 1595 var setupZoomDrag = function(data) { |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1596 var startPos, delta, fullRect; |
| 726 | 1597 var $document = $(document); |
| 698 | 1598 var $elem = data.$elem; |
| 1599 var $scaler = data.$scaler; | |
| 1600 var $img = data.$img; | |
| 703 | 1601 |
| 726 | 1602 // drag the image and load a new detail on mouse up |
| 698 | 1603 var dragStart = function (evt) { |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1604 console.debug("dragstart at=",evt); |
|
730
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1605 // don't start dragging if not zoomed |
|
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1606 if (isFullArea(data.zoomArea)) return false; |
| 726 | 1607 startPos = geom.position(evt); |
| 734 | 1608 delta = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1609 // set low res background immediately on mousedown |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1610 fullRect = setZoomBG(data); |
| 726 | 1611 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1612 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1613 return false; |
| 698 | 1614 }; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1615 |
| 726 | 1616 // mousemove handler: drag zoomed image |
| 698 | 1617 var dragMove = function (evt) { |
| 1618 var pos = geom.position(evt); | |
| 734 | 1619 delta = startPos.delta(pos); |
| 1620 if (fullRect) { | |
| 1621 var bgPos = fullRect.getPosition().add(delta); | |
| 1622 } else { | |
| 1623 var bgPos = delta; | |
| 1624 } | |
| 698 | 1625 // move the background image to the new position |
| 708 | 1626 $scaler.css({ |
| 734 | 1627 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 698 | 1628 }); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1629 // set birdview indicator to reflect new zoom position |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1630 var za = geom.rectangle($img); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1631 za.addPosition(delta.neg()); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1632 setBirdZoom(data, za); |
| 698 | 1633 return false; |
| 1634 }; | |
| 703 | 1635 |
| 726 | 1636 // mouseup handler: reload zoomed image in new position |
| 698 | 1637 var dragEnd = function (evt) { |
| 732 | 1638 $scaler.css('cursor', 'auto'); |
| 726 | 1639 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1640 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1641 if (delta == null || delta.distance() < 2) { | |
| 1642 // no movement | |
| 1643 $img.css('visibility', 'visible'); | |
| 734 | 1644 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1645 // unhide marks |
| 1646 data.$elem.find('div.mark').show(); | |
| 726 | 1647 return false; |
| 1648 } | |
| 1649 // get old zoom area (screen coordinates) | |
| 734 | 1650 var za = geom.rectangle($img); |
| 726 | 1651 // move |
| 734 | 1652 za.addPosition(delta.neg()); |
| 726 | 1653 // transform back |
| 1654 var newArea = data.imgTrafo.invtransform(za); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1655 data.zoomArea = FULL_AREA.fit(newArea); |
|
701
2660b733a1e7
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
700
diff
changeset
|
1656 redisplay(data); |
| 698 | 1657 return false; |
| 1658 }; | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1659 |
| 726 | 1660 // clear old handler |
| 1661 $document.unbind(".dlZoomDrag"); | |
| 734 | 1662 $scaler.unbind(".dlZoomDrag"); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1663 if (! isFullArea(data.zoomArea)) { |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1664 // set handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1665 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1666 } |
| 698 | 1667 }; |
| 1668 | |
| 696 | 1669 // get image quality as a number (0..2) |
| 1670 var getQuality = function (data) { | |
| 1671 var flags = data.scalerFlags; | |
| 1672 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1673 return parseInt(q[1], 10); | |
| 699 | 1674 }; |
| 696 | 1675 |
| 1676 // set image quality as a number (0..2) | |
| 1677 var setQuality = function (data, qual) { | |
| 1678 var flags = data.scalerFlags; | |
| 1679 // clear flags | |
| 1680 for (var i = 0; i < 3; ++i) { | |
| 1681 delete flags['q'+i]; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1682 } |
| 696 | 1683 flags['q'+qual] = 'q'+qual; |
| 699 | 1684 }; |
| 703 | 1685 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1686 // get image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1687 var getScaleMode = function (data) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1688 if (data.scalerFlags.clip != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1689 return 'pixel'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1690 } else if (data.scalerFlags.osize != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1691 return 'size'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1692 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1693 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1694 return 'screen'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1695 }; |
| 768 | 1696 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1697 // set image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1698 var setScaleMode = function (data, mode) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1699 delete data.scalerFlags.fit; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1700 delete data.scalerFlags.clip; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1701 delete data.scalerFlags.osize; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1702 if (mode === 'pixel') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1703 data.scalerFlags.clip = 'clip'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1704 } else if (mode === 'size') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1705 data.scalerFlags.osize = 'osize'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1706 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1707 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1708 }; |
| 768 | 1709 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1710 // sets a key to a value (relative values with +/- if relative=true) |
| 643 | 1711 var setNumValue = function(settings, key, value) { |
| 709 | 1712 if (value == null) return null; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1713 if (isNumber(value)) { |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1714 settings[key] = value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1715 return value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1716 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1717 var sign = value[0]; |
| 643 | 1718 if (sign === '+' || sign === '-') { |
| 1719 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1720 // this isn't perfect but still... |
| 643 | 1721 settings[key] = 0; |
|
706
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1722 } |
| 643 | 1723 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1724 } else { | |
| 1725 settings[key] = value; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1726 } |
| 643 | 1727 return settings[key]; |
| 1728 }; | |
| 648 | 1729 |
| 768 | 1730 // auxiliary function, assuming equal border width on all sides |
| 1731 var getBorderWidth = function($elem) { | |
| 1732 var border = $elem.outerWidth() - $elem.width(); | |
| 1733 return border/2; | |
| 1734 }; | |
| 1735 | |
| 648 | 1736 // auxiliary function (from old dllib.js) |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1737 var isFullArea = function(area) { |
| 652 | 1738 return (area.width === 1.0) && (area.height === 1.0); |
| 648 | 1739 }; |
| 1740 | |
| 634 | 1741 // auxiliary function (from Douglas Crockford, A.10) |
| 1742 var isNumber = function isNumber(value) { | |
| 703 | 1743 return typeof value === 'number' && isFinite(value); |
| 634 | 1744 }; |
| 648 | 1745 |
| 624 | 1746 // auxiliary function to crop senseless precision |
| 1747 var cropFloat = function (x) { | |
| 630 | 1748 return parseInt(10000 * x, 10) / 10000; |
| 624 | 1749 }; |
| 648 | 1750 |
| 685 | 1751 // fallback for console.log calls |
| 1752 if (customConsole) { | |
| 1753 var logFunction = function(type) { | |
| 1754 return function(){ | |
| 1755 var $debug = $('#debug'); // debug div | |
| 1756 if (!$debug) return; | |
| 1757 var args = Array.prototype.slice.call(arguments); | |
| 1758 var argtext = args.join(' '); | |
| 1759 var $logDiv = $('<div/>'); | |
| 1760 $logDiv.addClass(type); | |
| 1761 $logDiv.text(argtext); | |
| 1762 $debug.append($logDiv); | |
| 1763 }; | |
| 1764 }; | |
| 1765 console.log = logFunction('_log'); | |
| 1766 console.debug = logFunction('_debug'); | |
| 1767 console.error = logFunction('_error'); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1768 } |
| 685 | 1769 |
| 598 | 1770 // hook plugin into jquery |
| 778 | 1771 $.fn.digilib = function (action) { |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1772 // plugin extension mechanism |
| 779 | 1773 if (action === 'plugin') { |
| 1774 var plugin = arguments[1]; | |
| 1775 // each plugin needs a name | |
| 1776 if (plugin.name != null) { | |
| 1777 plugins[plugin.name] = plugin; | |
| 1778 } | |
| 1779 /* for each digilib $elem extend data.settings with obj.options | |
| 771 | 1780 // TODO: couldn't other plugins just access $elem.data('digilib')? |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1781 if (obj.options) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1782 this.each(function() { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1783 var $elem = $(this); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1784 // console.debug('extending:', $elem); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1785 var data = $elem.data('digilib'); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1786 if (!data) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1787 return console.log('cannot extend digilib plugin, element not initialised!'); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1788 } |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1789 var settings = data.settings; |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1790 $.extend(settings, obj.options); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1791 // console.log('settings:', settings); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1792 }); |
| 771 | 1793 delete(obj.options); |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1794 } |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1795 // extend the plugin actions (to make this useful, |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1796 // maybe we need to expose some more internal functions) |
| 779 | 1797 $.extend(actions, obj); */ |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1798 } else if (actions[action]) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1799 // call action on this with the remaining arguments (inserting data as first argument) |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1800 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1801 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1802 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1803 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1804 return actions[action].apply(this, args); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1805 } else if (typeof(action) === 'object' || !action) { |
| 627 | 1806 // call init on this |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1807 return actions.init.apply(this, arguments); |
| 598 | 1808 } else { |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1809 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1810 } |
| 598 | 1811 }; |
| 685 | 1812 |
| 597 | 1813 })(jQuery); |