Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 770:8944c61e08d1 jquery
minor precisations
| author | hertzhaft |
|---|---|
| date | Fri, 11 Feb 2011 23:19:39 +0100 |
| parents | cef1ef426366 5c04652f3660 |
| children | ac5aa77ada08 |
| 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 |
| 648 | 24 |
| 760 | 25 /*jslint browser: true, debug: true, forin: true |
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26 */ |
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27 |
| 629 | 28 // fallback for console.log calls |
| 29 if (typeof(console) === 'undefined') { | |
| 30 var console = { | |
| 685 | 31 log : function(){}, |
| 32 debug : function(){}, | |
| 33 error : function(){} | |
| 34 }; | |
| 35 var customConsole = true; | |
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36 } |
| 597 | 37 |
| 38 (function($) { | |
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39 var buttons = { |
| 603 | 40 reference : { |
| 682 | 41 onclick : "reference", |
| 603 | 42 tooltip : "get a reference URL", |
| 758 | 43 icon : "reference.png" |
| 603 | 44 }, |
| 45 zoomin : { | |
| 636 | 46 onclick : ["zoomBy", 1.4], |
| 603 | 47 tooltip : "zoom in", |
| 758 | 48 icon : "zoom-in.png" |
| 603 | 49 }, |
| 50 zoomout : { | |
| 636 | 51 onclick : ["zoomBy", 0.7], |
| 603 | 52 tooltip : "zoom out", |
| 758 | 53 icon : "zoom-out.png" |
| 603 | 54 }, |
| 55 zoomarea : { | |
| 647 | 56 onclick : "zoomArea", |
| 603 | 57 tooltip : "zoom area", |
| 758 | 58 icon : "zoom-area.png" |
| 603 | 59 }, |
| 60 zoomfull : { | |
| 643 | 61 onclick : "zoomFull", |
| 603 | 62 tooltip : "view the whole image", |
| 758 | 63 icon : "zoom-full.png" |
| 603 | 64 }, |
| 65 pagewidth : { | |
| 643 | 66 onclick : ["zoomFull", "width"], |
| 603 | 67 tooltip : "page width", |
| 758 | 68 icon : "pagewidth.png" |
| 603 | 69 }, |
| 70 back : { | |
| 616 | 71 onclick : ["gotoPage", "-1"], |
| 603 | 72 tooltip : "goto previous image", |
| 758 | 73 icon : "back.png" |
| 603 | 74 }, |
| 75 fwd : { | |
| 616 | 76 onclick : ["gotoPage", "+1"], |
| 603 | 77 tooltip : "goto next image", |
| 758 | 78 icon : "fwd.png" |
| 603 | 79 }, |
| 80 page : { | |
| 709 | 81 onclick : "gotoPage", |
| 82 tooltip : "goto image number", | |
| 758 | 83 icon : "page.png" |
| 603 | 84 }, |
| 85 bird : { | |
| 628 | 86 onclick : "showBirdDiv", |
| 603 | 87 tooltip : "show bird's eye view", |
| 758 | 88 icon : "birds-eye.png" |
| 603 | 89 }, |
| 90 help : { | |
| 628 | 91 onclick : "showAboutDiv", |
| 603 | 92 tooltip : "about Digilib", |
| 758 | 93 icon : "help.png" |
| 603 | 94 }, |
| 95 reset : { | |
| 681 | 96 onclick : "reset", |
| 603 | 97 tooltip : "reset image", |
| 758 | 98 icon : "reset.png" |
| 603 | 99 }, |
| 100 mark : { | |
| 640 | 101 onclick : "setMark", |
| 603 | 102 tooltip : "set a mark", |
| 758 | 103 icon : "mark.png" |
| 603 | 104 }, |
| 105 delmark : { | |
| 643 | 106 onclick : "removeMark", |
| 603 | 107 tooltip : "delete the last mark", |
| 758 | 108 icon : "delmark.png" |
| 603 | 109 }, |
| 110 hmir : { | |
| 654 | 111 onclick : ["mirror", "h"], |
| 603 | 112 tooltip : "mirror horizontally", |
| 758 | 113 icon : "mirror-horizontal.png" |
| 603 | 114 }, |
| 115 vmir : { | |
| 654 | 116 onclick : ["mirror", "v"], |
| 603 | 117 tooltip : "mirror vertically", |
| 758 | 118 icon : "mirror-vertical.png" |
| 603 | 119 }, |
| 120 rot : { | |
| 656 | 121 onclick : "rotate", |
| 603 | 122 tooltip : "rotate image", |
| 758 | 123 icon : "rotate.png" |
| 603 | 124 }, |
| 125 brgt : { | |
| 656 | 126 onclick : "brightness", |
| 603 | 127 tooltip : "set brightness", |
| 758 | 128 icon : "brightness.png" |
| 603 | 129 }, |
| 130 cont : { | |
| 656 | 131 onclick : "contrast", |
| 603 | 132 tooltip : "set contrast", |
| 758 | 133 icon : "contrast.png" |
| 603 | 134 }, |
| 135 rgb : { | |
| 136 onclick : "javascript:setParamWin('rgb', '...')", | |
| 137 tooltip : "set rgb values", | |
| 758 | 138 icon : "rgb.png" |
| 603 | 139 }, |
| 140 quality : { | |
| 741 | 141 onclick : "setQuality", |
| 603 | 142 tooltip : "set image quality", |
| 758 | 143 icon : "quality.png" |
| 603 | 144 }, |
| 145 size : { | |
| 146 onclick : "javascript:toggleSizeMenu()", | |
| 147 tooltip : "set page size", | |
| 758 | 148 icon : "size.png" |
| 603 | 149 }, |
| 150 calibrationx : { | |
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151 onclick : "calibrate", |
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152 tooltip : "calibrate screen resolution", |
| 758 | 153 icon : "calibration-x.png" |
| 603 | 154 }, |
| 155 scale : { | |
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156 onclick : "setScaleMode", |
| 603 | 157 tooltip : "change image scale", |
| 758 | 158 icon : "original-size.png" |
| 603 | 159 }, |
| 692 | 160 toggleoptions : { |
| 741 | 161 onclick : "moreButtons", |
| 692 | 162 tooltip : "more options", |
| 758 | 163 icon : "options.png" |
| 692 | 164 }, |
| 683 | 165 moreoptions : { |
| 741 | 166 onclick : ["moreButtons", "+1"], |
| 683 | 167 tooltip : "more options", |
| 758 | 168 icon : "options.png" |
| 683 | 169 }, |
| 170 lessoptions : { | |
| 741 | 171 onclick : ["moreButtons", "-1"], |
| 683 | 172 tooltip : "less options", |
| 758 | 173 icon : "options.png" |
| 603 | 174 }, |
| 175 SEP : { | |
| 758 | 176 icon : "sep.png" |
| 603 | 177 } |
| 178 }; | |
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179 |
| 598 | 180 var defaults = { |
| 609 | 181 // version of this script |
| 628 | 182 'version' : 'jquery.digilib.js 0.9', |
| 609 | 183 // logo url |
| 184 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 628 | 185 // homepage url (behind logo) |
| 186 'homeUrl' : 'http://digilib.berlios.de', | |
| 737 | 187 // base URL to digilib viewer (for reference URLs) |
| 188 'digilibBaseUrl' : null, | |
| 603 | 189 // base URL to Scaler servlet |
| 645 | 190 'scalerBaseUrl' : null, |
| 603 | 191 // list of Scaler parameters |
| 620 | 192 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 193 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 194 // Scaler parameter defaults | |
| 636 | 195 'pn' : 1, |
| 620 | 196 'ww' : 1.0, |
| 197 'wh' : 1.0, | |
| 198 'wx' : 0.0, | |
| 199 'wy' : 0.0, | |
| 200 'ws' : 1.0, | |
| 636 | 201 'mo' : '', |
| 202 'rot' : 0, | |
| 203 'cont' : 0, | |
| 204 'brgt' : 0, | |
| 205 'rgbm' : '0/0/0', | |
| 206 'rgba' : '0/0/0', | |
| 207 'ddpi' : null, | |
| 208 'ddpix' : null, | |
| 209 'ddpiy' : null, | |
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210 // list of digilib parameters |
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211 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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212 // digilib parameter defaults |
| 636 | 213 'mk' : '', |
| 643 | 214 'clop' : '', |
| 636 | 215 // mode of operation: |
| 216 // fullscreen = take parameters from page URL, keep state in page URL | |
| 217 // embedded = take parameters from Javascript options, keep state inside object | |
| 603 | 218 'interactionMode' : 'fullscreen', |
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219 // buttons |
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220 'buttons' : buttons, |
| 661 | 221 // defaults for digilib buttons |
| 658 | 222 'buttonSettings' : { |
| 223 'fullscreen' : { | |
| 661 | 224 // path to button images (must end with a slash) |
| 658 | 225 'imagePath' : 'img/fullscreen/', |
| 714 | 226 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
| 227 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
| 675 | 228 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 229 }, |
| 230 'embedded' : { | |
| 231 'imagePath' : 'img/embedded/16/', | |
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232 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
| 761 | 233 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
| 675 | 234 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 235 } |
| 690 | 236 }, |
| 768 | 237 |
| 690 | 238 // number of visible button groups |
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239 'visibleButtonSets' : 1, |
| 609 | 240 // is birdView shown? |
| 241 'isBirdDivVisible' : false, | |
| 661 | 242 // dimensions of bird's eye div |
| 667 | 243 'birdDivWidth' : 200, |
| 244 'birdDivHeight' : 200, | |
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245 // parameters used by bird's eye div |
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246 'birdDivParams' : ['fn','pn','dw','dh'], |
| 609 | 247 // is the "about" window shown? |
| 734 | 248 'isAboutDivVisible' : false, |
| 249 // maximum width of background image for drag-scroll | |
| 250 'maxBgSize' : 10000 | |
| 609 | 251 |
| 603 | 252 }; |
| 648 | 253 |
| 601 | 254 // affine geometry classes |
| 255 var geom = dlGeometry(); | |
| 648 | 256 |
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257 var FULL_AREA = geom.rectangle(0, 0, 1, 1); |
| 648 | 258 |
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259 var actions = { |
| 661 | 260 // init: digilib initialization |
| 261 init : function(options) { | |
| 262 // settings for this digilib instance are merged from defaults and options | |
| 263 var settings = $.extend({}, defaults, options); | |
| 264 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 265 var queryParams = {}; | |
| 266 if (isFullscreen) { | |
| 267 queryParams = parseQueryParams(); | |
| 268 // check scalerBaseUrl | |
| 269 if (settings.scalerBaseUrl == null) { | |
| 270 // try the host this came from | |
| 271 var h = window.location.host; | |
| 272 if (window.location.host) { | |
| 273 var url = window.location.href; | |
| 274 // assume the page lives in [webapp]/jquery/ | |
| 275 var pos = url.indexOf('jquery/'); | |
| 276 if (pos > 0) { | |
| 277 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 645 | 278 } |
| 279 } | |
| 629 | 280 } |
| 661 | 281 } |
| 282 return this.each(function() { | |
| 283 var $elem = $(this); | |
| 284 var data = $elem.data('digilib'); | |
| 681 | 285 var params, elemSettings; |
| 661 | 286 // if the plugin hasn't been initialized yet |
| 287 if (!data) { | |
| 288 // merge query parameters | |
| 289 if (isFullscreen) { | |
| 681 | 290 params = queryParams; |
| 661 | 291 } else { |
| 681 | 292 params = parseImgParams($elem); |
| 720 | 293 if (jQuery.cookie) { |
| 294 // retrieve params from cookie | |
| 295 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 296 var cs = jQuery.cookie(ck); | |
| 297 console.debug("get cookie=", ck, " value=", cs); | |
| 298 if (cs) { | |
| 299 var cp = parseQueryString(cs); | |
| 721 | 300 // ignore fn and pn from cookie TODO: should we keep pn? |
| 301 delete cp.fn; | |
| 302 delete cp.pn; | |
| 303 jQuery.extend(params, cp); | |
| 720 | 304 } |
| 305 } | |
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306 } |
| 661 | 307 // store $(this) element in the settings |
| 721 | 308 elemSettings = jQuery.extend({}, settings, params); |
| 690 | 309 data = { |
| 661 | 310 $elem : $elem, |
| 311 settings : elemSettings, | |
| 681 | 312 queryParams : params |
| 661 | 313 }; |
| 314 // store in data element | |
| 315 $elem.data('digilib', data); | |
| 316 } | |
| 317 unpackParams(data); | |
| 737 | 318 // check if browser knows *background-size |
| 734 | 319 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 320 if ($elem.css(bs+'background-size')) { | |
| 321 data.hasBgSize = true; | |
| 322 data.bgSizeName = bs+'background-size'; | |
| 323 break; | |
| 324 } | |
| 325 } | |
| 737 | 326 // check digilib base URL |
| 327 if (elemSettings.digilibBaseUrl == null) { | |
| 328 if (isFullscreen) { | |
| 329 // take current host | |
| 330 var url = window.location.toString(); | |
| 331 var pos = url.indexOf('?'); | |
| 332 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 333 } else { | |
| 334 var url = elemSettings.scalerBaseUrl; | |
| 335 if (url) { | |
| 336 // build it from scaler URL | |
| 337 var bp = url.indexOf('/servlet/Scaler'); | |
| 758 | 338 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 737 | 339 } |
| 340 } | |
| 341 } | |
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342 // get image info from server if needed |
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343 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 760 | 344 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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345 } |
| 675 | 346 // create HTML structure for scaler |
| 661 | 347 setupScalerDiv(data); |
| 690 | 348 // add buttons |
| 349 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
| 350 showButtons(data, true, i); | |
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351 } |
| 758 | 352 highlightButtons(data); |
| 661 | 353 // bird's eye view creation |
| 703 | 354 if (elemSettings.isBirdDivVisible) { |
| 631 | 355 setupBirdDiv(data); |
| 716 | 356 data.$birdDiv.show(); |
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357 } |
| 661 | 358 // about window creation - TODO: could be deferred? restrict to only one item? |
| 359 setupAboutDiv(data); | |
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360 // drag zoom area around in scaler div |
| 748 | 361 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 661 | 362 }); |
| 363 }, | |
| 364 | |
| 365 // destroy: clean up digilib | |
| 366 destroy : function(data) { | |
| 367 return this.each(function(){ | |
| 368 var $elem = $(this); | |
| 369 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 370 data.digilib.remove(); | |
| 371 $elem.removeData('digilib'); | |
| 372 }); | |
| 373 }, | |
| 374 | |
| 375 // show or hide the 'about' window | |
| 376 showAboutDiv : function(data, show) { | |
| 758 | 377 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 378 data.settings.isAboutDivVisible = on; | |
| 379 highlightButtons(data, 'help', on); | |
| 661 | 380 }, |
| 648 | 381 |
| 661 | 382 // event handler: toggles the visibility of the bird's eye window |
| 383 showBirdDiv : function (data, show) { | |
| 719 | 384 var settings = data.settings; |
| 661 | 385 if (data.$birdDiv == null) { |
| 386 // no bird div -> create | |
| 387 setupBirdDiv(data); | |
| 388 } | |
| 758 | 389 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 390 settings.isBirdDivVisible = on; | |
| 391 highlightButtons(data, 'bird', on); | |
| 719 | 392 updateBirdDiv(data); |
| 716 | 393 storeOptions(data); |
| 661 | 394 }, |
| 395 | |
| 396 // goto given page nr (+/-: relative) | |
| 397 gotoPage : function (data, pageNr) { | |
| 398 var settings = data.settings; | |
| 399 var oldpn = settings.pn; | |
| 709 | 400 if (pageNr == null) { |
| 401 pageNr = window.prompt("Goto page number", oldpn); | |
| 402 } | |
| 661 | 403 var pn = setNumValue(settings, "pn", pageNr); |
| 404 if (pn == null) return false; // nothing happened | |
| 405 if (pn < 1) { | |
| 406 alert("no such page (page number too low)"); | |
| 407 settings.pn = oldpn; | |
| 408 return false; | |
| 409 } | |
| 760 | 410 // TODO: how do we get pt? |
| 661 | 411 if (settings.pt) { |
| 412 if (pn > settings.pt) { | |
| 413 alert("no such page (page number too high)"); | |
| 616 | 414 settings.pn = oldpn; |
| 415 return false; | |
| 627 | 416 } |
| 661 | 417 } |
| 418 // reset mk and others(?) | |
| 419 data.marks = []; | |
|
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420 data.zoomArea = FULL_AREA; |
| 661 | 421 // then reload |
| 422 redisplay(data); | |
| 423 }, | |
| 647 | 424 |
| 661 | 425 // zoom by a given factor |
| 426 zoomBy : function (data, factor) { | |
| 427 zoomBy(data, factor); | |
| 428 }, | |
| 640 | 429 |
| 760 | 430 // zoom to area (or interactive) |
| 431 zoomArea : function (data, area) { | |
| 432 var settings = data.settings; | |
| 433 if (area == null) { | |
| 434 // interactively | |
| 435 zoomArea(data); | |
| 436 } else { | |
| 437 data.zoomArea = geom.rectangle(area); | |
| 438 redisplay(data); | |
| 439 } | |
| 661 | 440 }, |
| 643 | 441 |
| 661 | 442 // zoom out to full page |
| 443 zoomFull : function (data, mode) { | |
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444 data.zoomArea = FULL_AREA; |
| 661 | 445 if (mode === 'width') { |
| 446 data.dlOpts.fitwidth = 1; | |
| 447 delete data.dlOpts.fitheight; | |
| 448 } else if (mode === 'height') { | |
| 449 data.dlOpts.fitheight = 1; | |
| 450 delete data.dlOpts.fitwidth; | |
| 451 } else { | |
| 452 delete data.dlOpts.fitwidth; | |
| 453 delete data.dlOpts.fitheight; | |
| 454 } | |
| 455 redisplay(data); | |
| 456 }, | |
| 457 | |
| 458 // set a mark by clicking (or giving a position) | |
| 459 setMark : function (data, mpos) { | |
| 460 if (mpos == null) { | |
| 461 // interactive | |
| 462 setMark(data); | |
| 463 } else { | |
| 464 // use position | |
| 465 data.marks.push(pos); | |
| 656 | 466 redisplay(data); |
| 597 | 467 } |
| 661 | 468 }, |
| 469 | |
| 470 // remove the last mark | |
| 471 removeMark : function (data) { | |
| 472 data.marks.pop(); | |
| 473 redisplay(data); | |
| 474 }, | |
| 475 | |
| 476 // mirror the image | |
| 477 mirror : function (data, mode) { | |
| 478 var flags = data.scalerFlags; | |
| 479 if (mode === 'h') { | |
| 480 if (flags.hmir) { | |
| 481 delete flags.hmir; | |
| 482 } else { | |
| 483 flags.hmir = 1; | |
| 484 } | |
| 485 } else { | |
| 486 if (flags.vmir) { | |
| 487 delete flags.vmir; | |
| 488 } else { | |
| 489 flags.vmir = 1; | |
| 490 } | |
| 491 } | |
| 492 redisplay(data); | |
| 493 }, | |
| 643 | 494 |
| 661 | 495 // rotate the image |
| 496 rotate : function (data, angle) { | |
| 497 var rot = data.settings.rot; | |
| 498 if (angle == null) { | |
| 499 angle = window.prompt("Rotation angle:", rot); | |
| 500 } | |
| 501 data.settings.rot = angle; | |
| 502 redisplay(data); | |
| 503 }, | |
| 504 | |
| 505 // change brightness | |
| 506 brightness : function (data, factor) { | |
| 507 var brgt = data.settings.brgt; | |
| 508 if (factor == null) { | |
| 509 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 510 } | |
| 511 data.settings.brgt = factor; | |
| 512 redisplay(data); | |
| 513 }, | |
| 514 | |
| 515 // change contrast | |
| 516 contrast : function (data, factor) { | |
| 517 var cont = data.settings.cont; | |
| 518 if (factor == null) { | |
| 519 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 520 } | |
| 521 data.settings.cont = factor; | |
| 522 redisplay(data); | |
| 681 | 523 }, |
| 703 | 524 |
| 683 | 525 // display more (or less) button sets |
| 741 | 526 moreButtons : function (data, more) { |
| 689 | 527 var settings = data.settings; |
| 692 | 528 if (more == null) { |
| 696 | 529 // toggle more or less (only works for 2 sets) |
| 692 | 530 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 531 if (settings.visibleButtonSets >= maxbtns) { | |
| 532 more = '-1'; | |
| 533 } else { | |
| 534 more = '+1'; | |
| 535 } | |
| 536 } | |
| 683 | 537 if (more === '-1') { |
| 538 // remove set | |
| 690 | 539 var setIdx = settings.visibleButtonSets - 1; |
| 540 if (showButtons(data, false, setIdx, true)) { | |
| 541 settings.visibleButtonSets--; | |
| 542 } | |
| 683 | 543 } else { |
| 544 // add set | |
| 690 | 545 var setIdx = settings.visibleButtonSets; |
| 546 if (showButtons(data, true, setIdx, true)) { | |
| 547 settings.visibleButtonSets++; | |
| 683 | 548 } |
| 549 } | |
| 716 | 550 // persist setting |
| 551 storeOptions(data); | |
| 684 | 552 }, |
| 681 | 553 |
| 696 | 554 // reset image parameters to defaults |
| 681 | 555 reset : function (data) { |
| 556 var settings = data.settings; | |
| 557 var paramNames = settings.digilibParamNames; | |
| 558 var params = data.queryParams; | |
| 559 // delete all digilib parameters | |
| 560 for (var i = 0; i < paramNames.length; i++) { | |
| 561 var paramName = paramNames[i]; | |
| 562 delete settings[paramName]; | |
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563 } |
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564 settings.fn = params.fn || ''; // no default defined |
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565 settings.pn = params.pn || defaults.pn; |
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566 settings.dw = params.dw; |
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567 settings.dh = params.dh; |
| 702 | 568 settings.isBirdDivVisible = false; |
| 569 settings.visibleButtonSets = 1; | |
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570 // resets zoomArea, marks, scalerflags |
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571 data.zoomArea = FULL_AREA; |
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572 data.marks = []; |
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573 data.scalerFlags = {}; |
| 705 | 574 delete data.dlOpts.fitwidth; |
| 575 delete data.dlOpts.fitheight; | |
| 681 | 576 redisplay(data); |
| 682 | 577 }, |
| 578 | |
| 696 | 579 // presents a reference url (returns value if noprompt) |
| 580 reference : function (data, noprompt) { | |
| 682 | 581 var settings = data.settings; |
| 737 | 582 var url = getDigilibUrl(data); |
| 696 | 583 if (noprompt == null) { |
| 584 window.prompt("URL reference to the current view", url); | |
| 585 } | |
| 586 return url; | |
| 587 }, | |
| 703 | 588 |
| 696 | 589 // set image quality |
| 741 | 590 setQuality : function (data, qual) { |
| 696 | 591 var oldq = getQuality(data); |
| 592 if (qual == null) { | |
| 593 qual = window.prompt("Image quality (0..2)", oldq); | |
| 594 } | |
| 595 qual = parseInt(qual, 10); | |
| 596 if (qual >= 0 && qual <= 2) { | |
| 597 setQuality(data, qual); | |
| 598 redisplay(data); | |
| 599 } | |
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600 }, |
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601 |
|
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602 // calibrate (only faking) |
|
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603 calibrate : function (data, res) { |
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604 var oldRes = data.settings.ddpi; |
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605 if (res == null) { |
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606 res = window.prompt("Display resolution (dpi)", oldRes); |
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607 } |
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608 if (res != null) { |
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609 data.settings.ddpi = res; |
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610 redisplay(data); |
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611 } |
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612 }, |
| 768 | 613 |
|
754
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614 // set image scale mode |
|
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615 setScaleMode : function (data, mode) { |
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616 var oldM = getScaleMode(data); |
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617 if (mode == null) { |
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618 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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619 } |
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620 if (mode != null) { |
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621 setScaleMode(data, mode); |
|
756
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622 data.scaleMode = mode; |
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623 redisplay(data); |
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624 } |
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625 } |
| 768 | 626 |
|
756
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627 // end of actions |
| 598 | 628 }; |
| 597 | 629 |
| 601 | 630 // returns parameters from page url |
| 600 | 631 var parseQueryParams = function() { |
| 629 | 632 return parseQueryString(window.location.search.slice(1)); |
| 633 }; | |
| 648 | 634 |
| 629 | 635 // returns parameters from embedded img-element |
| 600 | 636 var parseImgParams = function($elem) { |
|
606
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637 var src = $elem.find('img').first().attr('src'); |
| 703 | 638 if (!src) return null; |
| 600 | 639 var pos = src.indexOf('?'); |
| 640 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 641 var scalerUrl = src.substring(0, pos); | |
| 620 | 642 var params = parseQueryString(query); |
| 643 params.scalerBaseUrl = scalerUrl; | |
| 644 return params; | |
| 629 | 645 }; |
| 600 | 646 |
| 601 | 647 // parses query parameter string into parameter object |
| 600 | 648 var parseQueryString = function(query) { |
| 694 | 649 var params = {}; |
| 650 if (query == null) return params; | |
| 600 | 651 var pairs = query.split("&"); |
| 629 | 652 //var keys = []; |
| 600 | 653 for (var i = 0; i < pairs.length; i++) { |
| 654 var pair = pairs[i].split("="); | |
| 655 if (pair.length === 2) { | |
| 620 | 656 params[pair[0]] = pair[1]; |
| 629 | 657 //keys.push(pair[0]); |
| 627 | 658 } |
| 629 | 659 } |
| 620 | 660 return params; |
| 629 | 661 }; |
| 661 | 662 |
| 636 | 663 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 664 var getParamString = function (settings, keys, defaults) { | |
| 608 | 665 var paramString = ''; |
| 643 | 666 var nx = false; |
| 608 | 667 for (i = 0; i < keys.length; ++i) { |
| 668 var key = keys[i]; | |
| 656 | 669 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 608 | 670 // first param gets no '&' |
| 643 | 671 if (nx) { |
| 672 paramString += '&'; | |
| 673 } else { | |
| 674 nx = true; | |
| 675 } | |
| 608 | 676 // add parm=val |
| 677 paramString += key + '=' + settings[key]; | |
| 636 | 678 } |
| 608 | 679 } |
| 680 return paramString; | |
| 624 | 681 }; |
| 682 | |
| 629 | 683 // returns URL and query string for Scaler |
| 684 var getScalerUrl = function (data) { | |
| 734 | 685 packParams(data); |
| 646 | 686 var settings = data.settings; |
| 645 | 687 if (settings.scalerBaseUrl == null) { |
| 688 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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|
689 } |
| 629 | 690 var keys = settings.scalerParamNames; |
| 636 | 691 var queryString = getParamString(settings, keys, defaults); |
| 629 | 692 var url = settings.scalerBaseUrl + '?' + queryString; |
| 693 return url; | |
| 694 }; | |
| 695 | |
| 734 | 696 // returns URL for bird's eye view image |
| 736 | 697 var getBirdImgUrl = function (data, moreParams) { |
| 734 | 698 var settings = data.settings; |
| 699 var birdDivOptions = { | |
| 700 dw : settings.birdDivWidth, | |
| 701 dh : settings.birdDivHeight | |
| 702 }; | |
| 736 | 703 var birdSettings = jQuery.extend({}, settings, birdDivOptions); |
| 734 | 704 // use only the relevant parameters |
| 736 | 705 if (moreParams == null) { |
| 706 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 707 } else { | |
| 760 | 708 // filter scaler flags |
| 709 if (birdSettings.mo != null) { | |
| 710 var mo = ''; | |
| 711 if (data.scalerFlags.hmir != null) { | |
| 712 mo += 'hmir,'; | |
| 713 } | |
| 714 if (data.scalerFlags.vmir != null) { | |
| 715 mo += 'vmir'; | |
| 716 } | |
| 717 birdSettings.mo = mo; | |
| 718 } | |
| 736 | 719 var params = getParamString(birdSettings, |
| 720 settings.birdDivParams.concat(moreParams), defaults); | |
| 721 } | |
| 722 var url = settings.scalerBaseUrl + '?' + params; | |
| 734 | 723 return url; |
| 724 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
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diff
changeset
|
725 |
| 629 | 726 // returns URL and query string for current digilib |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
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changeset
|
727 var getDigilibUrl = function (data) { |
| 636 | 728 packParams(data); |
| 629 | 729 var settings = data.settings; |
|
637
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reload doesn't take list of changed parameters any more
robcast
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diff
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|
730 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 737 | 731 return settings.digilibBaseUrl + '?' + queryString; |
| 629 | 732 }; |
| 733 | |
| 760 | 734 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 735 var loadImageInfo = function (data, complete) { | |
|
747
5d3da97089bc
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diff
changeset
|
736 var settings = data.settings; |
|
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diff
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|
737 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
|
5d3da97089bc
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diff
changeset
|
738 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
|
5d3da97089bc
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robcast
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diff
changeset
|
739 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 760 | 740 // TODO: better error handling |
|
747
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744
diff
changeset
|
741 jQuery.getJSON(url, function (json) { |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
742 console.debug("got json data=", json); |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
744
diff
changeset
|
743 data.imgInfo = json; |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
744
diff
changeset
|
744 if (complete != null) { |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
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744
diff
changeset
|
745 complete.call(this, data, json); |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
746 } |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
747 }); |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
748 }; |
| 768 | 749 |
| 648 | 750 // processes some parameters into objects and stuff |
| 624 | 751 var unpackParams = function (data) { |
| 752 var settings = data.settings; | |
| 629 | 753 // zoom area |
| 624 | 754 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 755 data.zoomArea = zoomArea; |
| 629 | 756 // marks |
| 624 | 757 var marks = []; |
| 643 | 758 if (settings.mk) { |
| 759 var mk = settings.mk; | |
| 760 if (mk.indexOf(";") >= 0) { | |
| 761 var pa = mk.split(";"); // old format with ";" | |
| 762 } else { | |
| 763 var pa = mk.split(","); // new format | |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
764 } |
| 643 | 765 for (var i = 0; i < pa.length ; i++) { |
| 766 var pos = pa[i].split("/"); | |
| 767 if (pos.length > 1) { | |
| 768 marks.push(geom.position(pos[0], pos[1])); | |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
769 } |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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|
770 } |
|
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robcast
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changeset
|
771 } |
| 636 | 772 data.marks = marks; |
| 643 | 773 // mo (Scaler flags) |
| 774 var flags = {}; | |
| 775 if (settings.mo) { | |
| 776 var pa = settings.mo.split(","); | |
| 777 for (var i = 0; i < pa.length ; i++) { | |
| 778 flags[pa[i]] = pa[i]; | |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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changeset
|
779 } |
|
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robcast
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diff
changeset
|
780 } |
| 643 | 781 data.scalerFlags = flags; |
|
756
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782 data.scaleMode = getScaleMode(data); |
| 716 | 783 retrieveOptions(data); |
| 648 | 784 }; |
| 785 | |
| 624 | 786 // put objects back into parameters |
| 787 var packParams = function (data) { | |
| 788 var settings = data.settings; | |
| 629 | 789 // zoom area |
| 636 | 790 if (data.zoomArea) { |
| 640 | 791 settings.wx = cropFloat(data.zoomArea.x); |
| 792 settings.wy = cropFloat(data.zoomArea.y); | |
| 793 settings.ww = cropFloat(data.zoomArea.width); | |
| 794 settings.wh = cropFloat(data.zoomArea.height); | |
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795 } |
| 629 | 796 // marks |
| 636 | 797 if (data.marks) { |
| 643 | 798 settings.mk = ''; |
| 636 | 799 for (var i = 0; i < data.marks.length; i++) { |
| 643 | 800 if (i) { |
| 801 settings.mk += ','; | |
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802 } |
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803 settings.mk += cropFloat(data.marks[i].x).toString() + |
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804 '/' + cropFloat(data.marks[i].y).toString(); |
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805 } |
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806 } |
| 643 | 807 // Scaler flags |
| 808 if (data.scalerFlags) { | |
| 809 var mo = ''; | |
| 810 for (var f in data.scalerFlags) { | |
| 811 if (mo) { | |
| 812 mo += ','; | |
| 813 } | |
| 814 mo += f; | |
| 815 } | |
| 816 settings.mo = mo; | |
| 817 } | |
| 703 | 818 // user interface options |
| 716 | 819 storeOptions(data); |
| 702 | 820 }; |
| 681 | 821 |
| 716 | 822 var storeOptions = function (data) { |
| 694 | 823 // save digilib options in cookie |
| 702 | 824 var settings = data.settings; |
| 825 if (data.dlOpts) { | |
| 826 // save digilib settings in options | |
| 827 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 828 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 829 var clop = ''; | |
| 830 for (var o in data.dlOpts) { | |
| 831 if (clop) { | |
| 832 clop += '&'; | |
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833 } |
| 702 | 834 clop += o + '=' + data.dlOpts[o]; |
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835 } |
| 702 | 836 if (jQuery.cookie) { |
| 837 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 838 console.debug("set cookie=", ck, " value=", clop); | |
| 839 jQuery.cookie(ck, clop); | |
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840 } |
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841 } |
| 720 | 842 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
| 843 // store normal parameters in cookie for embedded mode | |
| 844 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 845 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 846 console.debug("set cookie=", ck, " value=", qs); | |
| 847 jQuery.cookie(ck, qs); | |
| 848 } | |
| 624 | 849 }; |
| 648 | 850 |
| 716 | 851 var retrieveOptions = function (data) { |
| 702 | 852 // clop (digilib options) |
| 853 var opts = {}; | |
| 854 var settings = data.settings; | |
| 855 if (jQuery.cookie) { | |
| 856 // read from cookie | |
| 857 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 858 var cp = jQuery.cookie(ck); | |
| 859 console.debug("get cookie=", ck, " value=", cp); | |
| 860 // in query string format | |
| 861 opts = parseQueryString(cp); | |
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862 } |
| 702 | 863 data.dlOpts = opts; |
| 864 // birdview option | |
| 865 if (opts.birdview != null) { | |
| 866 settings.isBirdDivVisible = opts.birdview === '1'; | |
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867 } |
| 702 | 868 // visible button sets |
| 869 if (opts.buttons != null) { | |
| 870 settings.visibleButtonSets = opts.buttons; | |
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871 } |
| 704 | 872 }; |
| 702 | 873 |
| 615 | 874 // (re)load the img from a new scaler URL |
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875 var redisplay = function (data) { |
| 629 | 876 var settings = data.settings; |
| 877 if (settings.interactionMode === 'fullscreen') { | |
| 878 // update location.href (browser URL) in fullscreen mode | |
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879 var url = getDigilibUrl(data); |
| 629 | 880 var history = window.history; |
| 881 if (typeof(history.pushState) === 'function') { | |
| 882 console.debug("we could modify history, but we don't..."); | |
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883 } |
| 629 | 884 window.location = url; |
| 885 } else { | |
| 886 // embedded mode -- just change img src | |
| 887 var url = getScalerUrl(data); | |
| 888 data.$img.attr('src', url); | |
| 719 | 889 // redisplay bird img |
| 890 updateBirdDiv(data); | |
| 758 | 891 highlightButtons(data); |
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892 } |
| 615 | 893 }; |
| 894 | |
| 760 | 895 // update display (overlays etc.) |
| 896 var updateDisplay = function (data) { | |
| 897 updateImgTrafo(data); | |
| 898 renderMarks(data); | |
| 899 setupZoomDrag(data); | |
| 900 if (data.settings.isBirdDivVisible) { | |
| 901 renderBirdArea(data); | |
| 902 setupBirdDrag(data); | |
| 903 } | |
| 904 // TODO: update event subscriber? | |
| 905 }; | |
| 768 | 906 |
| 655 | 907 // returns maximum size for scaler img in fullscreen mode |
| 760 | 908 var getFullscreenImgSize = function ($elem) { |
| 655 | 909 var $win = $(window); |
| 910 var winH = $win.height(); | |
| 911 var winW = $win.width(); | |
| 912 // TODO: account for borders? | |
| 913 return geom.size(winW, winH); | |
| 914 }; | |
| 915 | |
| 601 | 916 // creates HTML structure for digilib in elem |
| 620 | 917 var setupScalerDiv = function (data) { |
| 918 var settings = data.settings; | |
| 640 | 919 var $elem = data.$elem; |
| 718 | 920 $elem.addClass('digilib'); |
| 721 | 921 var $img; |
| 922 var scalerUrl; | |
| 601 | 923 if (settings.interactionMode === 'fullscreen') { |
| 721 | 924 // fullscreen |
| 718 | 925 $elem.addClass('dl_fullscreen'); |
| 602 | 926 var imgSize = getFullscreenImgSize($elem); |
| 643 | 927 // fitwidth/height omits destination height/width |
| 721 | 928 if (data.dlOpts.fitheight == null) { |
| 643 | 929 settings.dw = imgSize.width; |
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930 } |
| 721 | 931 if (data.dlOpts.fitwidth == null) { |
| 643 | 932 settings.dh = imgSize.height; |
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933 } |
| 679 | 934 scalerUrl = getScalerUrl(data); |
| 721 | 935 $img = $('<img/>'); |
| 602 | 936 } else { |
| 721 | 937 // embedded mode -- try to keep img tag |
| 718 | 938 $elem.addClass('dl_embedded'); |
| 721 | 939 scalerUrl = getScalerUrl(data); |
| 616 | 940 $img = $elem.find('img'); |
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941 if ($img.length > 0) { |
| 721 | 942 oldUrl = $img.attr('src'); |
| 943 if (oldUrl === scalerUrl) { | |
| 944 console.debug("img detach:", $img); | |
| 945 $img.detach(); | |
| 946 } else { | |
| 947 $img = $('<img/>'); | |
| 948 } | |
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949 } else { |
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950 $img = $('<img/>'); |
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951 } |
| 601 | 952 } |
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953 // create new html |
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954 $elem.empty(); // TODO: should we keep stuff for customization? |
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955 var $scaler = $('<div class="scaler"/>'); |
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956 $elem.append($scaler); |
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957 $scaler.append($img); |
| 615 | 958 $img.addClass('pic'); |
| 642 | 959 data.$scaler = $scaler; |
| 629 | 960 data.$img = $img; |
| 680 | 961 // setup image load handler before setting the src attribute (IE bug) |
| 962 $img.load(scalerImgLoadedHandler(data)); | |
| 760 | 963 $img.error(function () {console.error("error loading scaler image");}); |
| 680 | 964 $img.attr('src', scalerUrl); |
| 601 | 965 }; |
| 608 | 966 |
| 603 | 967 // creates HTML structure for buttons in elem |
| 690 | 968 var createButtons = function (data, buttonSetIdx) { |
| 640 | 969 var $elem = data.$elem; |
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970 var settings = data.settings; |
| 658 | 971 var mode = settings.interactionMode; |
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972 var buttonSettings = settings.buttonSettings[mode]; |
| 675 | 973 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 683 | 974 if (buttonGroup == null) { |
| 975 // no buttons here | |
| 976 return; | |
| 977 } | |
| 978 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 675 | 979 var buttonNames = buttonSettings[buttonGroup]; |
| 980 for (var i = 0; i < buttonNames.length; i++) { | |
| 981 var buttonName = buttonNames[i]; | |
| 982 var buttonConfig = settings.buttons[buttonName]; | |
| 658 | 983 // construct the button html |
| 984 var $button = $('<div class="button"></div>'); | |
| 985 var $a = $('<a/>'); | |
| 986 var $img = $('<img class="button"/>'); | |
| 987 $buttonsDiv.append($button); | |
| 988 $button.append($a); | |
| 989 $a.append($img); | |
| 990 // add attributes and bindings | |
| 991 $button.attr('title', buttonConfig.tooltip); | |
| 675 | 992 $button.addClass('button-' + buttonName); |
| 658 | 993 // create handler for the buttons |
| 994 $a.bind('click.digilib', (function () { | |
| 995 // we create a new closure to capture the value of action | |
| 996 var action = buttonConfig.onclick; | |
| 997 if ($.isArray(action)) { | |
| 998 // the handler function calls digilib with action and parameters | |
| 999 return function (evt) { | |
| 1000 console.debug('click action=', action, ' evt=', evt); | |
| 1001 $elem.digilib.apply($elem, action); | |
| 1002 return false; | |
| 1003 }; | |
| 1004 } else { | |
| 1005 // the handler function calls digilib with action | |
| 1006 return function (evt) { | |
| 1007 console.debug('click action=', action, ' evt=', evt); | |
| 1008 $elem.digilib(action); | |
| 1009 return false; | |
| 1010 }; | |
| 1011 } | |
| 1012 })()); | |
| 758 | 1013 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 683 | 1014 } |
| 655 | 1015 // make buttons div scroll if too large for window |
| 1016 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1017 $buttonsDiv.css('position', 'absolute'); | |
| 1018 } | |
| 690 | 1019 // buttons hidden at first |
| 1020 $buttonsDiv.hide(); | |
| 1021 $elem.append($buttonsDiv); | |
| 675 | 1022 if (data.$buttonSets == null) { |
| 690 | 1023 // first button set |
| 675 | 1024 data.$buttonSets = [$buttonsDiv]; |
| 1025 } else { | |
| 683 | 1026 $elem.append($buttonsDiv); |
| 675 | 1027 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1028 } | |
| 605 | 1029 return $buttonsDiv; |
| 603 | 1030 }; |
| 608 | 1031 |
| 1032 // creates HTML structure for the bird's eye view in elem | |
| 631 | 1033 var setupBirdDiv = function (data) { |
| 640 | 1034 var $elem = data.$elem; |
| 608 | 1035 // the bird's eye div |
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1036 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 608 | 1037 // the detail indicator frame |
| 719 | 1038 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 608 | 1039 // the small image |
| 1040 var $birdImg = $('<img class="birdimg"/>'); | |
| 716 | 1041 data.$birdDiv = $birdDiv; |
| 1042 data.$birdZoom = $birdZoom; | |
| 1043 data.$birdImg = $birdImg; | |
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1044 $elem.append($birdDiv); |
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1045 $birdDiv.append($birdZoom); |
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1046 $birdDiv.append($birdImg); |
| 768 | 1047 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 716 | 1048 var birdUrl = getBirdImgUrl(data); |
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1049 $birdImg.load(birdImgLoadedHandler(data)); |
| 760 | 1050 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 716 | 1051 $birdImg.attr('src', birdUrl); |
| 1052 }; | |
| 1053 | |
| 1054 // update bird's eye view | |
| 1055 var updateBirdDiv = function (data) { | |
| 1056 if (!data.settings.isBirdDivVisible) return; | |
| 1057 var $birdImg = data.$birdImg; | |
| 1058 var oldsrc = $birdImg.attr('src'); | |
| 1059 var newsrc = getBirdImgUrl(data); | |
| 1060 if (oldsrc !== newsrc) { | |
| 1061 $birdImg.attr('src', newsrc); | |
| 1062 // onload handler re-renders | |
| 1063 } else { | |
| 1064 // re-render | |
| 1065 renderBirdArea(data); | |
| 723 | 1066 // enable click and drag |
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1067 setupBirdDrag(data); |
| 716 | 1068 } |
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1069 }; |
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1070 |
| 618 | 1071 // creates HTML structure for the about view in elem |
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1072 var setupAboutDiv = function (data) { |
| 640 | 1073 var $elem = data.$elem; |
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1074 var settings = data.settings; |
| 618 | 1075 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 609 | 1076 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1077 var $link = $('<a/>'); | |
| 1078 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1079 var $content = $('<p/>'); | |
| 1080 $elem.append($aboutDiv); | |
| 1081 $aboutDiv.append($header); | |
| 1082 $aboutDiv.append($link); | |
| 1083 $aboutDiv.append($content); | |
| 1084 $link.append($logo); | |
| 1085 $logo.attr('src', settings.logoUrl); | |
| 628 | 1086 $link.attr('href', settings.homeUrl); |
| 609 | 1087 $content.text('Version: ' + settings.version); |
| 768 | 1088 data.$aboutDiv = $aboutDiv; |
| 628 | 1089 // click hides |
| 768 | 1090 $aboutDiv.bind('click.digilib', function () { |
| 1091 actions['showAboutDiv'](data, false); | |
| 703 | 1092 }); |
| 627 | 1093 }; |
| 1094 | |
| 628 | 1095 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1096 var showDiv = function (isVisible, $div, show) { | |
| 638 | 1097 if (show == null) { |
| 628 | 1098 // toggle visibility |
| 1099 isVisible = !isVisible; | |
| 1100 } else { | |
| 1101 // set visibility | |
| 1102 isVisible = show; | |
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1103 } |
| 628 | 1104 if (isVisible) { |
| 1105 $div.fadeIn(); | |
| 1106 } else { | |
| 1107 $div.fadeOut(); | |
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1108 } |
| 628 | 1109 return isVisible; |
| 627 | 1110 }; |
| 609 | 1111 |
| 690 | 1112 // display more (or less) button sets |
| 1113 var showButtons = function (data, more, setIdx, animated) { | |
| 704 | 1114 var atime = animated ? 'fast': 0; |
| 690 | 1115 if (more) { |
| 1116 // add set | |
| 1117 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1118 var $set; | |
| 1119 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1120 // set exists | |
| 1121 $set = data.$buttonSets[setIdx]; | |
| 1122 } else { | |
| 1123 $set = createButtons(data, setIdx); | |
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1124 } |
| 690 | 1125 if ($set == null) return false; |
| 758 | 1126 // include border in calculation |
| 1127 var btnWidth = $set.outerWidth(); | |
| 690 | 1128 // move remaining sets left and show new set |
| 704 | 1129 if ($otherSets.length > 0) { |
| 1130 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1131 function () {$set.show();}); | |
| 690 | 1132 } else { |
| 1133 $set.show(); | |
| 704 | 1134 } |
| 690 | 1135 } else { |
| 1136 // remove set | |
| 1137 var $set = data.$buttonSets[setIdx]; | |
| 1138 if ($set == null) return false; | |
| 1139 var btnWidth = $set.width(); | |
| 1140 // hide last set | |
| 1141 $set.hide(); | |
| 1142 // take remaining sets and move right | |
| 1143 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 704 | 1144 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1145 } | |
| 690 | 1146 return true; |
| 1147 }; | |
| 1148 | |
| 758 | 1149 // check for buttons to highlight |
| 1150 var highlightButtons = function (data, name, on) { | |
| 1151 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1152 // add a class for highlighted button | |
| 1153 var highlight = function (name, on) { | |
| 1154 var $button = $buttons.find('div.button-' + name); | |
| 1155 if (on) { | |
| 1156 $button.addClass('button-on'); | |
| 1157 } else { | |
| 1158 $button.removeClass('button-on'); | |
| 1159 } | |
| 1160 }; | |
| 1161 if (name != null) { | |
| 1162 return highlight(name, on); | |
| 1163 } | |
| 1164 var flags = data.scalerFlags; | |
| 1165 var settings = data.settings; | |
| 1166 highlight('rot', settings.rot); | |
| 1167 highlight('brgt', settings.brgt); | |
| 1168 highlight('cont', settings.cont); | |
| 1169 highlight('bird', settings.isBirdDivVisible); | |
| 1170 highlight('help', settings.isAboutDivVisible); | |
| 1171 highlight('hmir', flags.hmir); | |
| 1172 highlight('vmir', flags.vmir); | |
| 759 | 1173 highlight('quality', flags.q1 || flags.q2); |
| 758 | 1174 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1175 }; | |
| 768 | 1176 |
|
651
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split bird's view code in two more parts, analog to scaler-img code.
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parents:
649
diff
changeset
|
1177 // create Transform from area and $img |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
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diff
changeset
|
1178 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
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parents:
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diff
changeset
|
1179 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
|
1180 if (mode != null) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1181 var imgInfo = data.imgInfo; |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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parents:
754
diff
changeset
|
1182 if (mode === 'pixel') { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1183 // 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
|
1184 if (imgInfo != null) { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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parents:
754
diff
changeset
|
1185 area.width = picrect.width / imgInfo.width; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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diff
changeset
|
1186 area.height = picrect.height / imgInfo.height; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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parents:
754
diff
changeset
|
1187 } else { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1188 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
|
1189 } |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
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parents:
754
diff
changeset
|
1190 } |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1191 if (mode === 'size') { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1192 // 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
|
1193 if (imgInfo != null) { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1194 var ddpi = parseFloat(data.settings.ddpi); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
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diff
changeset
|
1195 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
|
1196 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
|
1197 } else { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1198 console.error("No image info for original size mode!"); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
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diff
changeset
|
1199 } |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1200 } |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1201 } |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1202 var trafo = geom.transform(); |
| 668 | 1203 // 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
|
1204 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 668 | 1205 // 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:
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diff
changeset
|
1206 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 668 | 1207 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1208 if (rot || hmir || vmir) { | |
| 1209 // move [0.5,0.5] to center | |
| 1210 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1211 if (hmir) { | |
| 1212 // mirror about center | |
| 1213 trafo.concat(trafo.getMirror('y')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1214 } |
| 668 | 1215 if (vmir) { |
| 1216 // mirror about center | |
| 1217 trafo.concat(trafo.getMirror('x')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1218 } |
| 668 | 1219 if (rot) { |
| 1220 // rotate around center | |
| 1221 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1222 } |
| 668 | 1223 // move back |
| 1224 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
|
1225 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1226 // 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
|
1227 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
|
1228 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
|
1229 return trafo; |
| 648 | 1230 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1231 |
| 760 | 1232 // update scaler image transform |
| 1233 var updateImgTrafo = function (data) { | |
| 1234 var $img = data.$img; | |
| 1235 if ($img != null && $img.get(0).complete) { | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1236 // create Transform from current zoomArea and image size |
| 668 | 1237 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1238 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
|
1239 data.scaleMode, data); |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1240 // console.debug("imgTrafo=", data.imgTrafo); |
| 760 | 1241 } |
| 1242 }; | |
| 768 | 1243 |
| 760 | 1244 // returns function for load event of scaler img |
| 1245 var scalerImgLoadedHandler = function (data) { | |
| 1246 return function () { | |
| 1247 var $img = $(this); | |
| 1248 console.debug("scaler img loaded=",$img); | |
| 1249 var $scaler = data.$scaler; | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1250 var imgRect = geom.rectangle($img); |
| 726 | 1251 // adjust scaler div size |
| 731 | 1252 imgRect.adjustDiv($scaler); |
| 708 | 1253 // show image in case it was hidden (for example in zoomDrag) |
| 726 | 1254 $img.css('visibility', 'visible'); |
| 734 | 1255 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1256 // update display (render marks, etc.) |
| 1257 updateDisplay(data); | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1258 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1259 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1260 |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1261 // 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
|
1262 var birdImgLoadedHandler = function (data) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1263 return function () { |
| 748 | 1264 var $birdImg = $(this); |
| 1265 var birdRect = geom.rectangle($birdImg); | |
| 1266 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1267 if (birdRect.width === 0) { | |
| 1268 // 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
|
1269 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 748 | 1270 } |
| 760 | 1271 // update display (zoom area indicator) |
| 1272 updateDisplay(data); | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1273 }; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1274 }; |
| 626 | 1275 |
| 1276 // place marks on the image | |
| 1277 var renderMarks = function (data) { | |
| 760 | 1278 if (data.$img == null || data.imgTrafo == null) return; |
| 1279 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 640 | 1280 var $elem = data.$elem; |
| 636 | 1281 var marks = data.marks; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1282 // clear marks |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1283 $elem.find('div.mark').remove(); |
| 626 | 1284 for (var i = 0; i < marks.length; i++) { |
| 1285 var mark = marks[i]; | |
| 636 | 1286 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 1287 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
|
1288 console.debug("renderMarks: mpos=",mpos); |
| 626 | 1289 // create mark |
| 1290 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1291 var $mark = $(html); | |
| 1292 $elem.append($mark); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1293 mpos.adjustDiv($mark); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1294 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1295 } |
| 626 | 1296 }; |
| 648 | 1297 |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
1298 // show zoom area indicator on bird's eye view |
| 716 | 1299 var renderBirdArea = function (data) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1300 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1301 var $birdZoom = data.$birdZoom; |
| 652 | 1302 var zoomArea = data.zoomArea; |
| 716 | 1303 var normalSize = isFullArea(zoomArea); |
| 1304 if (normalSize) { | |
| 1305 $birdZoom.hide(); | |
| 1306 return; | |
| 1307 } else { | |
| 1308 $birdZoom.show(); | |
| 1309 } | |
| 748 | 1310 // create Transform from current area and picsize |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1311 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 731 | 1312 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 748 | 1313 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 734 | 1314 // acount for border width |
| 768 | 1315 var bw = getBorderWidth($birdZoom); |
| 1316 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1317 if (data.settings.interactionMode === 'fullscreen') { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1318 // no animation for fullscreen |
| 731 | 1319 zoomRect.adjustDiv($birdZoom); |
| 716 | 1320 } else { |
| 1321 // nice animation for embedded mode :-) | |
| 734 | 1322 // correct offsetParent because animate doesn't use offset |
| 719 | 1323 var ppos = $birdZoom.offsetParent().offset(); |
| 731 | 1324 var dest = { |
| 748 | 1325 left : (zoomRect.x - ppos.left) + 'px', |
| 1326 top : (zoomRect.y - ppos.top) + 'px', | |
| 1327 width : zoomRect.width, | |
| 1328 height : zoomRect.height | |
| 1329 }; | |
| 731 | 1330 $birdZoom.animate(dest); |
| 716 | 1331 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1332 }; |
| 652 | 1333 |
| 640 | 1334 // zooms by the given factor |
| 636 | 1335 var zoomBy = function(data, factor) { |
| 1336 var area = data.zoomArea; | |
| 1337 var newarea = area.copy(); | |
| 1338 // scale | |
| 1339 newarea.width /= factor; | |
| 1340 newarea.height /= factor; | |
| 1341 // and recenter | |
| 1342 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1343 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1344 newarea = FULL_AREA.fit(newarea); |
| 636 | 1345 data.zoomArea = newarea; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1346 redisplay(data); |
| 636 | 1347 }; |
| 1348 | |
| 640 | 1349 // add a mark where clicked |
| 1350 var setMark = function (data) { | |
| 642 | 1351 var $scaler = data.$scaler; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1352 // unbind other handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1353 $scaler.unbind(".dlZoomDrag"); |
| 640 | 1354 // start event capturing |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1355 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 640 | 1356 // event handler adding a new mark |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1357 console.log("setmark at=", evt); |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1358 var mpos = geom.position(evt); |
| 640 | 1359 var pos = data.imgTrafo.invtransform(mpos); |
| 1360 data.marks.push(pos); | |
| 1361 redisplay(data); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1362 return false; |
| 640 | 1363 }); |
| 1364 }; | |
| 661 | 1365 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1366 // zoom to the area around two clicked points |
| 647 | 1367 var zoomArea = function(data) { |
| 1368 $elem = data.$elem; | |
| 1369 $scaler = data.$scaler; | |
| 1370 var pt1, pt2; | |
| 1371 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1372 $elem.append($zoomDiv); | |
| 768 | 1373 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 647 | 1374 var picRect = geom.rectangle($scaler); |
| 1375 // FIX ME: is there a way to query the border width from CSS info? | |
| 1376 // rect.x -= 2; // account for overlay borders | |
| 1377 // rect.y -= 2; | |
| 1378 | |
| 1379 var zoomStart = function (evt) { | |
| 1380 pt1 = geom.position(evt); | |
| 1381 // setup and show zoom div | |
| 731 | 1382 pt1.adjustDiv($zoomDiv); |
| 661 | 1383 $zoomDiv.width(0).height(0); |
| 647 | 1384 $zoomDiv.show(); |
| 1385 // register events | |
| 731 | 1386 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1387 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1388 return false; |
| 1389 }; | |
| 661 | 1390 |
| 734 | 1391 // mouse move handler |
| 1392 var zoomMove = function (evt) { | |
| 1393 pt2 = geom.position(evt); | |
| 1394 var rect = geom.rectangle(pt1, pt2); | |
| 1395 rect.clipTo(picRect); | |
| 1396 // update zoom div | |
| 1397 rect.adjustDiv($zoomDiv); | |
| 1398 return false; | |
| 1399 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1400 |
| 647 | 1401 // mouseup handler: end moving |
| 1402 var zoomEnd = function (evt) { | |
| 1403 pt2 = geom.position(evt); | |
| 1404 // assume a click and continue if the area is too small | |
| 1405 var clickRect = geom.rectangle(pt1, pt2); | |
| 703 | 1406 if (clickRect.getArea() <= 5) return false; |
| 647 | 1407 // hide zoom div |
| 1408 $zoomDiv.remove(); | |
| 1409 // unregister events | |
| 731 | 1410 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1411 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1412 // clip and transform |
| 1413 clickRect.clipTo(picRect); | |
| 1414 var area = data.imgTrafo.invtransform(clickRect); | |
| 1415 data.zoomArea = area; | |
| 1416 // zoomed is always fit | |
| 1417 data.settings.ws = 1; | |
| 731 | 1418 delete data.dlOpts.fitwidth; |
| 1419 delete data.dlOpts.fitheight; | |
| 647 | 1420 redisplay(data); |
| 1421 return false; | |
| 1422 }; | |
| 661 | 1423 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1424 // clear old handler (also ZoomDrag) |
| 731 | 1425 $scaler.unbind('.dlZoomArea'); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1426 $scaler.unbind(".dlZoomDrag"); |
| 731 | 1427 $elem.unbind('.dlZoomArea'); |
| 647 | 1428 // bind start zoom handler |
| 731 | 1429 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 647 | 1430 }; |
| 640 | 1431 |
| 716 | 1432 // bird's eye view zoom area click and drag handler |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
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724
diff
changeset
|
1433 var setupBirdDrag = function(data) { |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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diff
changeset
|
1434 var $birdImg = data.$birdImg; |
|
ba582354e659
first step at dragging birdview zoom indicator around
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diff
changeset
|
1435 var $birdZoom = data.$birdZoom; |
| 723 | 1436 var $document = $(document); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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diff
changeset
|
1437 var $scaler = data.$scaler; |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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741
diff
changeset
|
1438 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 768 | 1439 var bw = getBorderWidth($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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diff
changeset
|
1440 |
| 734 | 1441 // mousedown handler: start dragging bird zoom to a new position |
| 1442 var birdZoomStartDrag = function(evt) { | |
| 1443 startPos = geom.position(evt); | |
| 1444 // position may have changed | |
| 1445 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1446 birdImgRect = geom.rectangle($birdImg); | |
| 1447 birdZoomRect = geom.rectangle($birdZoom); | |
|
744
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741
diff
changeset
|
1448 scalerPos = geom.position($scaler); |
| 734 | 1449 newRect = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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diff
changeset
|
1450 fullRect = setZoomBG(data); // setup zoom background image |
| 734 | 1451 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1452 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1453 return false; | |
| 1454 }; | |
| 1455 | |
| 726 | 1456 // mousemove handler: drag |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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diff
changeset
|
1457 var birdZoomMove = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
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diff
changeset
|
1458 var pos = geom.position(evt); |
| 723 | 1459 var delta = startPos.delta(pos); |
|
671
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1460 // move birdZoom div, keeping size |
| 723 | 1461 newRect = birdZoomRect.copy(); |
| 726 | 1462 newRect.addPosition(delta); |
|
671
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diff
changeset
|
1463 newRect.stayInside(birdImgRect); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1464 // reflect birdview zoom position in scaler image |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1465 var area = data.birdTrafo.invtransform(newRect); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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diff
changeset
|
1466 var imgArea = data.imgTrafo.transform(area); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1467 var offset = imgArea.getPosition().neg(); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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741
diff
changeset
|
1468 offset.add(scalerPos); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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diff
changeset
|
1469 if (fullRect) { |
|
58fcf8d8649f
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738
diff
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|
1470 var bgPos = fullRect.getPosition().add(offset); |
|
58fcf8d8649f
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|
1471 } else { |
|
58fcf8d8649f
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diff
changeset
|
1472 var bgPos = offset; |
|
58fcf8d8649f
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738
diff
changeset
|
1473 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1474 // move the background image to the new position |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1475 data.$scaler.css({ |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1476 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1477 }); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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diff
changeset
|
1478 // acount for border width |
| 768 | 1479 newRect.addPosition({x : -bw, y : -bw}); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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741
diff
changeset
|
1480 newRect.adjustDiv($birdZoom); |
|
671
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1481 return false; |
|
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1482 }; |
|
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diff
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|
1483 |
| 726 | 1484 // mouseup handler: reload page |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
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diff
changeset
|
1485 var birdZoomEndDrag = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
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diff
changeset
|
1486 var settings = data.settings; |
| 723 | 1487 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1488 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1489 if (newRect == null) { | |
| 1490 // no movement happened - set center to click position | |
|
671
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first step at dragging birdview zoom indicator around
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parents:
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diff
changeset
|
1491 startPos = birdZoomRect.getCenter(); |
| 723 | 1492 birdZoomMove(evt); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
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704
diff
changeset
|
1493 } |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1494 // ugly, but needed to prevent double border width compensation |
| 768 | 1495 newRect.addPosition({x : bw, y : bw}); |
| 723 | 1496 var newArea = data.birdTrafo.invtransform(newRect); |
| 1497 data.zoomArea = newArea; | |
|
671
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diff
changeset
|
1498 redisplay(data); |
|
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1499 return false; |
|
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diff
changeset
|
1500 }; |
|
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diff
changeset
|
1501 |
| 723 | 1502 // clear old handler |
| 1503 $document.unbind(".dlBirdMove"); | |
| 1504 $birdImg.unbind(".dlBirdMove"); | |
| 1505 $birdZoom.unbind(".dlBirdMove"); | |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1506 if (! isFullArea(data.zoomArea)) { |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1507 // set new handler |
|
96dc93ff4d68
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robcast
parents:
724
diff
changeset
|
1508 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1509 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1510 } |
|
671
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diff
changeset
|
1511 }; |
|
ba582354e659
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diff
changeset
|
1512 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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diff
changeset
|
1513 // move bird zoom indicator to reflect zoomed detail area |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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diff
changeset
|
1514 var setBirdZoom = function(data, rect) { |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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737
diff
changeset
|
1515 var part = data.imgTrafo.invtransform(rect); |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
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parents:
739
diff
changeset
|
1516 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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diff
changeset
|
1517 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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diff
changeset
|
1518 var birdRect = birdTrafo.transform(part); |
| 768 | 1519 var $birdZoom = data.$birdZoom; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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diff
changeset
|
1520 // acount for border width |
| 768 | 1521 var bw = getBorderWidth($birdZoom); |
| 1522 birdRect.addPosition({x : -bw, y : -bw}); | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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parents:
737
diff
changeset
|
1523 birdRect.adjustDiv(data.$birdZoom); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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parents:
737
diff
changeset
|
1524 }; |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
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737
diff
changeset
|
1525 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1526 // set zoom background |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1527 var setZoomBG = function(data) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1528 var $scaler = data.$scaler; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1529 var $img = data.$img; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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738
diff
changeset
|
1530 var fullRect = null; |
| 760 | 1531 // hide marks |
| 1532 data.$elem.find('div.mark').hide(); | |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1533 // hide the scaler img, show background of div instead |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1534 $img.css('visibility', 'hidden'); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1535 var scalerCss = { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1536 'background-image' : 'url(' + $img.attr('src') + ')', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1537 'background-repeat' : 'no-repeat', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1538 'background-position' : 'left top', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1539 'opacity' : '0.5', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1540 'cursor' : 'move' |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1541 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1542 if (data.hasBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1543 // full-size background using CSS3-background-size |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1544 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1545 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1546 // correct offset because background is relative |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1547 var scalerPos = geom.position($scaler); |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1548 fullRect.addPosition(scalerPos.neg()); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1549 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1550 scalerCss['background-image'] = 'url(' + url + ')'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1551 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1552 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1553 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1554 // too big |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1555 fullRect = null; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1556 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1557 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1558 $scaler.css(scalerCss); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1559 // isBgReady = true; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1560 return fullRect; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1561 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1562 |
| 731 | 1563 // setup handlers for dragging the zoomed image |
| 698 | 1564 var setupZoomDrag = function(data) { |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1565 var startPos, delta, fullRect; |
| 726 | 1566 var $document = $(document); |
| 698 | 1567 var $elem = data.$elem; |
| 1568 var $scaler = data.$scaler; | |
| 1569 var $img = data.$img; | |
| 703 | 1570 |
| 726 | 1571 // drag the image and load a new detail on mouse up |
| 698 | 1572 var dragStart = function (evt) { |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1573 console.debug("dragstart at=",evt); |
|
730
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1574 // don't start dragging if not zoomed |
|
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1575 if (isFullArea(data.zoomArea)) return false; |
| 726 | 1576 startPos = geom.position(evt); |
| 734 | 1577 delta = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1578 // set low res background immediately on mousedown |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1579 fullRect = setZoomBG(data); |
| 726 | 1580 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1581 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1582 return false; |
| 698 | 1583 }; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1584 |
| 726 | 1585 // mousemove handler: drag zoomed image |
| 698 | 1586 var dragMove = function (evt) { |
| 1587 var pos = geom.position(evt); | |
| 734 | 1588 delta = startPos.delta(pos); |
| 1589 if (fullRect) { | |
| 1590 var bgPos = fullRect.getPosition().add(delta); | |
| 1591 } else { | |
| 1592 var bgPos = delta; | |
| 1593 } | |
| 698 | 1594 // move the background image to the new position |
| 708 | 1595 $scaler.css({ |
| 734 | 1596 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 698 | 1597 }); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1598 // set birdview indicator to reflect new zoom position |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1599 var za = geom.rectangle($img); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1600 za.addPosition(delta.neg()); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1601 setBirdZoom(data, za); |
| 698 | 1602 return false; |
| 1603 }; | |
| 703 | 1604 |
| 726 | 1605 // mouseup handler: reload zoomed image in new position |
| 698 | 1606 var dragEnd = function (evt) { |
| 732 | 1607 $scaler.css('cursor', 'auto'); |
| 726 | 1608 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1609 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1610 if (delta == null || delta.distance() < 2) { | |
| 1611 // no movement | |
| 1612 $img.css('visibility', 'visible'); | |
| 734 | 1613 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1614 // unhide marks |
| 1615 data.$elem.find('div.mark').show(); | |
| 726 | 1616 return false; |
| 1617 } | |
| 1618 // get old zoom area (screen coordinates) | |
| 734 | 1619 var za = geom.rectangle($img); |
| 726 | 1620 // move |
| 734 | 1621 za.addPosition(delta.neg()); |
| 726 | 1622 // transform back |
| 1623 var newArea = data.imgTrafo.invtransform(za); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1624 data.zoomArea = FULL_AREA.fit(newArea); |
|
701
2660b733a1e7
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
700
diff
changeset
|
1625 redisplay(data); |
| 698 | 1626 return false; |
| 1627 }; | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1628 |
| 726 | 1629 // clear old handler |
| 1630 $document.unbind(".dlZoomDrag"); | |
| 734 | 1631 $scaler.unbind(".dlZoomDrag"); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1632 if (! isFullArea(data.zoomArea)) { |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1633 // set handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1634 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1635 } |
| 698 | 1636 }; |
| 1637 | |
| 696 | 1638 // get image quality as a number (0..2) |
| 1639 var getQuality = function (data) { | |
| 1640 var flags = data.scalerFlags; | |
| 1641 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1642 return parseInt(q[1], 10); | |
| 699 | 1643 }; |
| 696 | 1644 |
| 1645 // set image quality as a number (0..2) | |
| 1646 var setQuality = function (data, qual) { | |
| 1647 var flags = data.scalerFlags; | |
| 1648 // clear flags | |
| 1649 for (var i = 0; i < 3; ++i) { | |
| 1650 delete flags['q'+i]; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1651 } |
| 696 | 1652 flags['q'+qual] = 'q'+qual; |
| 699 | 1653 }; |
| 703 | 1654 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1655 // get image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1656 var getScaleMode = function (data) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1657 if (data.scalerFlags.clip != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1658 return 'pixel'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1659 } else if (data.scalerFlags.osize != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1660 return 'size'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1661 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1662 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1663 return 'screen'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1664 }; |
| 768 | 1665 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1666 // set image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1667 var setScaleMode = function (data, mode) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1668 delete data.scalerFlags.fit; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1669 delete data.scalerFlags.clip; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1670 delete data.scalerFlags.osize; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1671 if (mode === 'pixel') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1672 data.scalerFlags.clip = 'clip'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1673 } else if (mode === 'size') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1674 data.scalerFlags.osize = 'osize'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1675 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1676 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1677 }; |
| 768 | 1678 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1679 // sets a key to a value (relative values with +/- if relative=true) |
| 643 | 1680 var setNumValue = function(settings, key, value) { |
| 709 | 1681 if (value == null) return null; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1682 if (isNumber(value)) { |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1683 settings[key] = value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1684 return value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1685 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1686 var sign = value[0]; |
| 643 | 1687 if (sign === '+' || sign === '-') { |
| 1688 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1689 // this isn't perfect but still... |
| 643 | 1690 settings[key] = 0; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1691 } |
| 643 | 1692 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1693 } else { | |
| 1694 settings[key] = value; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1695 } |
| 643 | 1696 return settings[key]; |
| 1697 }; | |
| 648 | 1698 |
| 768 | 1699 // auxiliary function, assuming equal border width on all sides |
| 1700 var getBorderWidth = function($elem) { | |
| 1701 var border = $elem.outerWidth() - $elem.width(); | |
| 1702 return border/2; | |
| 1703 }; | |
| 1704 | |
| 648 | 1705 // auxiliary function (from old dllib.js) |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1706 var isFullArea = function(area) { |
| 652 | 1707 return (area.width === 1.0) && (area.height === 1.0); |
| 648 | 1708 }; |
| 1709 | |
| 634 | 1710 // auxiliary function (from Douglas Crockford, A.10) |
| 1711 var isNumber = function isNumber(value) { | |
| 703 | 1712 return typeof value === 'number' && isFinite(value); |
| 634 | 1713 }; |
| 648 | 1714 |
| 624 | 1715 // auxiliary function to crop senseless precision |
| 1716 var cropFloat = function (x) { | |
| 630 | 1717 return parseInt(10000 * x, 10) / 10000; |
| 624 | 1718 }; |
| 648 | 1719 |
| 685 | 1720 // fallback for console.log calls |
| 1721 if (customConsole) { | |
| 1722 var logFunction = function(type) { | |
| 1723 return function(){ | |
| 1724 var $debug = $('#debug'); // debug div | |
| 1725 if (!$debug) return; | |
| 1726 var args = Array.prototype.slice.call(arguments); | |
| 1727 var argtext = args.join(' '); | |
| 1728 var $logDiv = $('<div/>'); | |
| 1729 $logDiv.addClass(type); | |
| 1730 $logDiv.text(argtext); | |
| 1731 $debug.append($logDiv); | |
| 1732 }; | |
| 1733 }; | |
| 1734 console.log = logFunction('_log'); | |
| 1735 console.debug = logFunction('_debug'); | |
| 1736 console.error = logFunction('_error'); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1737 } |
| 685 | 1738 |
| 598 | 1739 // hook plugin into jquery |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1740 $.fn.digilib = function(action, obj) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1741 // plugin extension mechanism |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1742 if (action === 'extendPlugin') { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1743 // for each digilib $elem extend data.settings with obj.options |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1744 if (obj.options) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1745 this.each(function() { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1746 var $elem = $(this); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1747 // console.debug('extending:', $elem); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1748 var data = $elem.data('digilib'); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1749 if (!data) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1750 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
|
1751 } |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1752 var settings = data.settings; |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1753 $.extend(settings, obj.options); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1754 // console.log('settings:', settings); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1755 }); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1756 } |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1757 delete(obj.options); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1758 // extend the plugin actions (to make this useful, |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1759 // maybe we need to expose some more internal functions) |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1760 $.extend(actions, obj); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1761 } else if (actions[action]) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1762 // 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
|
1763 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1764 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1765 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1766 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1767 return actions[action].apply(this, args); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1768 } else if (typeof(action) === 'object' || !action) { |
| 627 | 1769 // call init on this |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1770 return actions.init.apply(this, arguments); |
| 598 | 1771 } else { |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1772 $.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
|
1773 } |
| 598 | 1774 }; |
| 685 | 1775 |
| 597 | 1776 })(jQuery); |