Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 777:2dbc3b087b91 jquery
first internal event. no handlers yet.
| author | robcast |
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| date | Tue, 15 Feb 2011 11:02:31 +0100 |
| parents | 6472fcc37214 |
| children | ede54261f87b |
| 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 |
| 777 | 24 /*requires dlGeometry.js */ |
| 648 | 25 |
| 760 | 26 /*jslint browser: true, debug: true, forin: true |
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27 */ |
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28 |
| 629 | 29 // fallback for console.log calls |
| 30 if (typeof(console) === 'undefined') { | |
| 31 var console = { | |
| 685 | 32 log : function(){}, |
| 33 debug : function(){}, | |
| 34 error : function(){} | |
| 35 }; | |
| 772 | 36 var customConsole = false; // set to true if debugging for MS IE |
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37 } |
| 597 | 38 |
| 39 (function($) { | |
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40 var buttons = { |
| 603 | 41 reference : { |
| 682 | 42 onclick : "reference", |
| 603 | 43 tooltip : "get a reference URL", |
| 758 | 44 icon : "reference.png" |
| 603 | 45 }, |
| 46 zoomin : { | |
| 636 | 47 onclick : ["zoomBy", 1.4], |
| 603 | 48 tooltip : "zoom in", |
| 758 | 49 icon : "zoom-in.png" |
| 603 | 50 }, |
| 51 zoomout : { | |
| 636 | 52 onclick : ["zoomBy", 0.7], |
| 603 | 53 tooltip : "zoom out", |
| 758 | 54 icon : "zoom-out.png" |
| 603 | 55 }, |
| 56 zoomarea : { | |
| 647 | 57 onclick : "zoomArea", |
| 603 | 58 tooltip : "zoom area", |
| 758 | 59 icon : "zoom-area.png" |
| 603 | 60 }, |
| 61 zoomfull : { | |
| 643 | 62 onclick : "zoomFull", |
| 603 | 63 tooltip : "view the whole image", |
| 758 | 64 icon : "zoom-full.png" |
| 603 | 65 }, |
| 66 pagewidth : { | |
| 643 | 67 onclick : ["zoomFull", "width"], |
| 603 | 68 tooltip : "page width", |
| 758 | 69 icon : "pagewidth.png" |
| 603 | 70 }, |
| 71 back : { | |
| 616 | 72 onclick : ["gotoPage", "-1"], |
| 603 | 73 tooltip : "goto previous image", |
| 758 | 74 icon : "back.png" |
| 603 | 75 }, |
| 76 fwd : { | |
| 616 | 77 onclick : ["gotoPage", "+1"], |
| 603 | 78 tooltip : "goto next image", |
| 758 | 79 icon : "fwd.png" |
| 603 | 80 }, |
| 81 page : { | |
| 709 | 82 onclick : "gotoPage", |
| 83 tooltip : "goto image number", | |
| 758 | 84 icon : "page.png" |
| 603 | 85 }, |
| 86 bird : { | |
| 628 | 87 onclick : "showBirdDiv", |
| 603 | 88 tooltip : "show bird's eye view", |
| 758 | 89 icon : "birds-eye.png" |
| 603 | 90 }, |
| 91 help : { | |
| 628 | 92 onclick : "showAboutDiv", |
| 603 | 93 tooltip : "about Digilib", |
| 758 | 94 icon : "help.png" |
| 603 | 95 }, |
| 96 reset : { | |
| 681 | 97 onclick : "reset", |
| 603 | 98 tooltip : "reset image", |
| 758 | 99 icon : "reset.png" |
| 603 | 100 }, |
| 101 mark : { | |
| 640 | 102 onclick : "setMark", |
| 603 | 103 tooltip : "set a mark", |
| 758 | 104 icon : "mark.png" |
| 603 | 105 }, |
| 106 delmark : { | |
| 643 | 107 onclick : "removeMark", |
| 603 | 108 tooltip : "delete the last mark", |
| 758 | 109 icon : "delmark.png" |
| 603 | 110 }, |
| 111 hmir : { | |
| 654 | 112 onclick : ["mirror", "h"], |
| 603 | 113 tooltip : "mirror horizontally", |
| 758 | 114 icon : "mirror-horizontal.png" |
| 603 | 115 }, |
| 116 vmir : { | |
| 654 | 117 onclick : ["mirror", "v"], |
| 603 | 118 tooltip : "mirror vertically", |
| 758 | 119 icon : "mirror-vertical.png" |
| 603 | 120 }, |
| 121 rot : { | |
| 656 | 122 onclick : "rotate", |
| 603 | 123 tooltip : "rotate image", |
| 758 | 124 icon : "rotate.png" |
| 603 | 125 }, |
| 126 brgt : { | |
| 656 | 127 onclick : "brightness", |
| 603 | 128 tooltip : "set brightness", |
| 758 | 129 icon : "brightness.png" |
| 603 | 130 }, |
| 131 cont : { | |
| 656 | 132 onclick : "contrast", |
| 603 | 133 tooltip : "set contrast", |
| 758 | 134 icon : "contrast.png" |
| 603 | 135 }, |
| 136 rgb : { | |
| 137 onclick : "javascript:setParamWin('rgb', '...')", | |
| 138 tooltip : "set rgb values", | |
| 758 | 139 icon : "rgb.png" |
| 603 | 140 }, |
| 141 quality : { | |
| 741 | 142 onclick : "setQuality", |
| 603 | 143 tooltip : "set image quality", |
| 758 | 144 icon : "quality.png" |
| 603 | 145 }, |
| 146 size : { | |
| 147 onclick : "javascript:toggleSizeMenu()", | |
| 148 tooltip : "set page size", | |
| 758 | 149 icon : "size.png" |
| 603 | 150 }, |
| 151 calibrationx : { | |
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152 onclick : "calibrate", |
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153 tooltip : "calibrate screen resolution", |
| 758 | 154 icon : "calibration-x.png" |
| 603 | 155 }, |
| 156 scale : { | |
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157 onclick : "setScaleMode", |
| 603 | 158 tooltip : "change image scale", |
| 758 | 159 icon : "original-size.png" |
| 603 | 160 }, |
| 692 | 161 toggleoptions : { |
| 741 | 162 onclick : "moreButtons", |
| 692 | 163 tooltip : "more options", |
| 758 | 164 icon : "options.png" |
| 692 | 165 }, |
| 683 | 166 moreoptions : { |
| 741 | 167 onclick : ["moreButtons", "+1"], |
| 683 | 168 tooltip : "more options", |
| 758 | 169 icon : "options.png" |
| 683 | 170 }, |
| 171 lessoptions : { | |
| 741 | 172 onclick : ["moreButtons", "-1"], |
| 683 | 173 tooltip : "less options", |
| 758 | 174 icon : "options.png" |
| 603 | 175 }, |
| 176 SEP : { | |
| 758 | 177 icon : "sep.png" |
| 603 | 178 } |
| 179 }; | |
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180 |
| 598 | 181 var defaults = { |
| 609 | 182 // version of this script |
| 628 | 183 'version' : 'jquery.digilib.js 0.9', |
| 609 | 184 // logo url |
| 185 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 628 | 186 // homepage url (behind logo) |
| 187 'homeUrl' : 'http://digilib.berlios.de', | |
| 737 | 188 // base URL to digilib viewer (for reference URLs) |
| 189 'digilibBaseUrl' : null, | |
| 603 | 190 // base URL to Scaler servlet |
| 645 | 191 'scalerBaseUrl' : null, |
| 603 | 192 // list of Scaler parameters |
| 620 | 193 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 194 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 195 // Scaler parameter defaults | |
| 636 | 196 'pn' : 1, |
| 620 | 197 'ww' : 1.0, |
| 198 'wh' : 1.0, | |
| 199 'wx' : 0.0, | |
| 200 'wy' : 0.0, | |
| 201 'ws' : 1.0, | |
| 636 | 202 'mo' : '', |
| 203 'rot' : 0, | |
| 204 'cont' : 0, | |
| 205 'brgt' : 0, | |
| 206 'rgbm' : '0/0/0', | |
| 207 'rgba' : '0/0/0', | |
| 208 'ddpi' : null, | |
| 209 'ddpix' : null, | |
| 210 'ddpiy' : null, | |
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211 // list of digilib parameters |
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212 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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213 // digilib parameter defaults |
| 636 | 214 'mk' : '', |
| 643 | 215 'clop' : '', |
| 636 | 216 // mode of operation: |
| 217 // fullscreen = take parameters from page URL, keep state in page URL | |
| 218 // embedded = take parameters from Javascript options, keep state inside object | |
| 603 | 219 'interactionMode' : 'fullscreen', |
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220 // buttons |
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221 'buttons' : buttons, |
| 661 | 222 // defaults for digilib buttons |
| 658 | 223 'buttonSettings' : { |
| 224 'fullscreen' : { | |
| 661 | 225 // path to button images (must end with a slash) |
| 658 | 226 'imagePath' : 'img/fullscreen/', |
| 714 | 227 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
| 228 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
| 675 | 229 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 230 }, |
| 231 'embedded' : { | |
| 232 'imagePath' : 'img/embedded/16/', | |
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233 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
| 761 | 234 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
| 675 | 235 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 236 } |
| 690 | 237 }, |
| 768 | 238 |
| 690 | 239 // number of visible button groups |
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240 'visibleButtonSets' : 1, |
| 609 | 241 // is birdView shown? |
| 242 'isBirdDivVisible' : false, | |
| 661 | 243 // dimensions of bird's eye div |
| 667 | 244 'birdDivWidth' : 200, |
| 245 'birdDivHeight' : 200, | |
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246 // parameters used by bird's eye div |
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247 'birdDivParams' : ['fn','pn','dw','dh'], |
| 609 | 248 // is the "about" window shown? |
| 734 | 249 'isAboutDivVisible' : false, |
| 250 // maximum width of background image for drag-scroll | |
| 771 | 251 'maxBgSize' : 10000, |
| 772 | 252 // space to be left free in full page display, default value is for scrollbar |
| 253 'scalerInset' : 10, | |
| 603 | 254 }; |
| 648 | 255 |
| 601 | 256 // affine geometry classes |
| 257 var geom = dlGeometry(); | |
| 648 | 258 |
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259 var FULL_AREA = geom.rectangle(0, 0, 1, 1); |
| 648 | 260 |
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261 var actions = { |
| 661 | 262 // init: digilib initialization |
| 263 init : function(options) { | |
| 264 // settings for this digilib instance are merged from defaults and options | |
| 265 var settings = $.extend({}, defaults, options); | |
| 266 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 267 var queryParams = {}; | |
| 268 if (isFullscreen) { | |
| 269 queryParams = parseQueryParams(); | |
| 270 // check scalerBaseUrl | |
| 271 if (settings.scalerBaseUrl == null) { | |
| 272 // try the host this came from | |
| 273 var h = window.location.host; | |
| 274 if (window.location.host) { | |
| 275 var url = window.location.href; | |
| 276 // assume the page lives in [webapp]/jquery/ | |
| 277 var pos = url.indexOf('jquery/'); | |
| 278 if (pos > 0) { | |
| 279 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 645 | 280 } |
| 281 } | |
| 629 | 282 } |
| 661 | 283 } |
| 284 return this.each(function() { | |
| 285 var $elem = $(this); | |
| 286 var data = $elem.data('digilib'); | |
| 681 | 287 var params, elemSettings; |
| 661 | 288 // if the plugin hasn't been initialized yet |
| 289 if (!data) { | |
| 290 // merge query parameters | |
| 291 if (isFullscreen) { | |
| 681 | 292 params = queryParams; |
| 661 | 293 } else { |
| 681 | 294 params = parseImgParams($elem); |
| 720 | 295 if (jQuery.cookie) { |
| 296 // retrieve params from cookie | |
| 297 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 298 var cs = jQuery.cookie(ck); | |
| 299 console.debug("get cookie=", ck, " value=", cs); | |
| 300 if (cs) { | |
| 301 var cp = parseQueryString(cs); | |
| 721 | 302 // ignore fn and pn from cookie TODO: should we keep pn? |
| 303 delete cp.fn; | |
| 304 delete cp.pn; | |
| 305 jQuery.extend(params, cp); | |
| 720 | 306 } |
| 307 } | |
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308 } |
| 661 | 309 // store $(this) element in the settings |
| 721 | 310 elemSettings = jQuery.extend({}, settings, params); |
| 690 | 311 data = { |
| 661 | 312 $elem : $elem, |
| 313 settings : elemSettings, | |
| 681 | 314 queryParams : params |
| 661 | 315 }; |
| 316 // store in data element | |
| 317 $elem.data('digilib', data); | |
| 318 } | |
| 319 unpackParams(data); | |
| 737 | 320 // check if browser knows *background-size |
| 734 | 321 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 322 if ($elem.css(bs+'background-size')) { | |
| 323 data.hasBgSize = true; | |
| 324 data.bgSizeName = bs+'background-size'; | |
| 325 break; | |
| 326 } | |
| 327 } | |
| 737 | 328 // check digilib base URL |
| 329 if (elemSettings.digilibBaseUrl == null) { | |
| 330 if (isFullscreen) { | |
| 331 // take current host | |
| 332 var url = window.location.toString(); | |
| 333 var pos = url.indexOf('?'); | |
| 334 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 335 } else { | |
| 336 var url = elemSettings.scalerBaseUrl; | |
| 337 if (url) { | |
| 338 // build it from scaler URL | |
| 339 var bp = url.indexOf('/servlet/Scaler'); | |
| 758 | 340 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 737 | 341 } |
| 342 } | |
| 343 } | |
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344 // get image info from server if needed |
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345 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 760 | 346 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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347 } |
| 772 | 348 // create buttons before scaler |
| 690 | 349 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
| 350 showButtons(data, true, i); | |
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351 } |
| 772 | 352 // create HTML structure for scaler, taking width of buttons div into account |
| 353 setupScalerDiv(data); | |
| 758 | 354 highlightButtons(data); |
| 661 | 355 // bird's eye view creation |
| 703 | 356 if (elemSettings.isBirdDivVisible) { |
| 631 | 357 setupBirdDiv(data); |
| 716 | 358 data.$birdDiv.show(); |
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359 } |
| 661 | 360 // about window creation - TODO: could be deferred? restrict to only one item? |
| 361 setupAboutDiv(data); | |
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362 // drag zoom area around in scaler div |
| 748 | 363 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 661 | 364 }); |
| 365 }, | |
| 366 | |
| 367 // destroy: clean up digilib | |
| 368 destroy : function(data) { | |
| 369 return this.each(function(){ | |
| 370 var $elem = $(this); | |
| 371 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 372 data.digilib.remove(); | |
| 373 $elem.removeData('digilib'); | |
| 374 }); | |
| 375 }, | |
| 376 | |
| 377 // show or hide the 'about' window | |
| 378 showAboutDiv : function(data, show) { | |
| 758 | 379 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 380 data.settings.isAboutDivVisible = on; | |
| 381 highlightButtons(data, 'help', on); | |
| 661 | 382 }, |
| 648 | 383 |
| 661 | 384 // event handler: toggles the visibility of the bird's eye window |
| 385 showBirdDiv : function (data, show) { | |
| 719 | 386 var settings = data.settings; |
| 661 | 387 if (data.$birdDiv == null) { |
| 388 // no bird div -> create | |
| 389 setupBirdDiv(data); | |
| 390 } | |
| 758 | 391 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 392 settings.isBirdDivVisible = on; | |
| 393 highlightButtons(data, 'bird', on); | |
| 719 | 394 updateBirdDiv(data); |
| 716 | 395 storeOptions(data); |
| 661 | 396 }, |
| 397 | |
| 398 // goto given page nr (+/-: relative) | |
| 399 gotoPage : function (data, pageNr) { | |
| 400 var settings = data.settings; | |
| 401 var oldpn = settings.pn; | |
| 709 | 402 if (pageNr == null) { |
| 403 pageNr = window.prompt("Goto page number", oldpn); | |
| 404 } | |
| 661 | 405 var pn = setNumValue(settings, "pn", pageNr); |
| 406 if (pn == null) return false; // nothing happened | |
| 407 if (pn < 1) { | |
| 408 alert("no such page (page number too low)"); | |
| 409 settings.pn = oldpn; | |
| 410 return false; | |
| 411 } | |
| 760 | 412 // TODO: how do we get pt? |
| 661 | 413 if (settings.pt) { |
| 414 if (pn > settings.pt) { | |
| 415 alert("no such page (page number too high)"); | |
| 616 | 416 settings.pn = oldpn; |
| 417 return false; | |
| 627 | 418 } |
| 661 | 419 } |
| 420 // reset mk and others(?) | |
| 421 data.marks = []; | |
|
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422 data.zoomArea = FULL_AREA; |
| 661 | 423 // then reload |
| 424 redisplay(data); | |
| 425 }, | |
| 647 | 426 |
| 661 | 427 // zoom by a given factor |
| 428 zoomBy : function (data, factor) { | |
| 429 zoomBy(data, factor); | |
| 430 }, | |
| 640 | 431 |
| 760 | 432 // zoom to area (or interactive) |
| 433 zoomArea : function (data, area) { | |
| 434 var settings = data.settings; | |
| 435 if (area == null) { | |
| 436 // interactively | |
| 437 zoomArea(data); | |
| 438 } else { | |
| 439 data.zoomArea = geom.rectangle(area); | |
| 440 redisplay(data); | |
| 441 } | |
| 661 | 442 }, |
| 643 | 443 |
| 661 | 444 // zoom out to full page |
| 445 zoomFull : function (data, mode) { | |
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446 data.zoomArea = FULL_AREA; |
| 661 | 447 if (mode === 'width') { |
| 448 data.dlOpts.fitwidth = 1; | |
| 449 delete data.dlOpts.fitheight; | |
| 450 } else if (mode === 'height') { | |
| 451 data.dlOpts.fitheight = 1; | |
| 452 delete data.dlOpts.fitwidth; | |
| 453 } else { | |
| 454 delete data.dlOpts.fitwidth; | |
| 455 delete data.dlOpts.fitheight; | |
| 456 } | |
| 457 redisplay(data); | |
| 458 }, | |
| 459 | |
| 460 // set a mark by clicking (or giving a position) | |
| 461 setMark : function (data, mpos) { | |
| 462 if (mpos == null) { | |
| 463 // interactive | |
| 464 setMark(data); | |
| 465 } else { | |
| 466 // use position | |
| 467 data.marks.push(pos); | |
| 656 | 468 redisplay(data); |
| 597 | 469 } |
| 661 | 470 }, |
| 471 | |
| 472 // remove the last mark | |
| 473 removeMark : function (data) { | |
| 474 data.marks.pop(); | |
| 475 redisplay(data); | |
| 476 }, | |
| 477 | |
| 478 // mirror the image | |
| 479 mirror : function (data, mode) { | |
| 480 var flags = data.scalerFlags; | |
| 481 if (mode === 'h') { | |
| 482 if (flags.hmir) { | |
| 483 delete flags.hmir; | |
| 484 } else { | |
| 485 flags.hmir = 1; | |
| 486 } | |
| 487 } else { | |
| 488 if (flags.vmir) { | |
| 489 delete flags.vmir; | |
| 490 } else { | |
| 491 flags.vmir = 1; | |
| 492 } | |
| 493 } | |
| 494 redisplay(data); | |
| 495 }, | |
| 643 | 496 |
| 661 | 497 // rotate the image |
| 498 rotate : function (data, angle) { | |
| 499 var rot = data.settings.rot; | |
| 500 if (angle == null) { | |
| 501 angle = window.prompt("Rotation angle:", rot); | |
| 502 } | |
| 503 data.settings.rot = angle; | |
| 504 redisplay(data); | |
| 505 }, | |
| 506 | |
| 507 // change brightness | |
| 508 brightness : function (data, factor) { | |
| 509 var brgt = data.settings.brgt; | |
| 510 if (factor == null) { | |
| 511 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 512 } | |
| 513 data.settings.brgt = factor; | |
| 514 redisplay(data); | |
| 515 }, | |
| 516 | |
| 517 // change contrast | |
| 518 contrast : function (data, factor) { | |
| 519 var cont = data.settings.cont; | |
| 520 if (factor == null) { | |
| 521 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 522 } | |
| 523 data.settings.cont = factor; | |
| 524 redisplay(data); | |
| 681 | 525 }, |
| 703 | 526 |
| 683 | 527 // display more (or less) button sets |
| 741 | 528 moreButtons : function (data, more) { |
| 689 | 529 var settings = data.settings; |
| 692 | 530 if (more == null) { |
| 696 | 531 // toggle more or less (only works for 2 sets) |
| 692 | 532 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 533 if (settings.visibleButtonSets >= maxbtns) { | |
| 534 more = '-1'; | |
| 535 } else { | |
| 536 more = '+1'; | |
| 537 } | |
| 538 } | |
| 683 | 539 if (more === '-1') { |
| 540 // remove set | |
| 690 | 541 var setIdx = settings.visibleButtonSets - 1; |
| 542 if (showButtons(data, false, setIdx, true)) { | |
| 543 settings.visibleButtonSets--; | |
| 544 } | |
| 683 | 545 } else { |
| 546 // add set | |
| 690 | 547 var setIdx = settings.visibleButtonSets; |
| 548 if (showButtons(data, true, setIdx, true)) { | |
| 549 settings.visibleButtonSets++; | |
| 683 | 550 } |
| 551 } | |
| 716 | 552 // persist setting |
| 553 storeOptions(data); | |
| 684 | 554 }, |
| 681 | 555 |
| 696 | 556 // reset image parameters to defaults |
| 681 | 557 reset : function (data) { |
| 558 var settings = data.settings; | |
| 559 var paramNames = settings.digilibParamNames; | |
| 560 var params = data.queryParams; | |
| 561 // delete all digilib parameters | |
| 562 for (var i = 0; i < paramNames.length; i++) { | |
| 563 var paramName = paramNames[i]; | |
| 564 delete settings[paramName]; | |
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565 } |
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566 settings.fn = params.fn || ''; // no default defined |
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567 settings.pn = params.pn || defaults.pn; |
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568 settings.dw = params.dw; |
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569 settings.dh = params.dh; |
| 702 | 570 settings.isBirdDivVisible = false; |
| 571 settings.visibleButtonSets = 1; | |
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572 // resets zoomArea, marks, scalerflags |
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573 data.zoomArea = FULL_AREA; |
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574 data.marks = []; |
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575 data.scalerFlags = {}; |
| 705 | 576 delete data.dlOpts.fitwidth; |
| 577 delete data.dlOpts.fitheight; | |
| 681 | 578 redisplay(data); |
| 682 | 579 }, |
| 580 | |
| 696 | 581 // presents a reference url (returns value if noprompt) |
| 582 reference : function (data, noprompt) { | |
| 682 | 583 var settings = data.settings; |
| 737 | 584 var url = getDigilibUrl(data); |
| 696 | 585 if (noprompt == null) { |
| 586 window.prompt("URL reference to the current view", url); | |
| 587 } | |
| 588 return url; | |
| 589 }, | |
| 703 | 590 |
| 696 | 591 // set image quality |
| 741 | 592 setQuality : function (data, qual) { |
| 696 | 593 var oldq = getQuality(data); |
| 594 if (qual == null) { | |
| 595 qual = window.prompt("Image quality (0..2)", oldq); | |
| 596 } | |
| 597 qual = parseInt(qual, 10); | |
| 598 if (qual >= 0 && qual <= 2) { | |
| 599 setQuality(data, qual); | |
| 600 redisplay(data); | |
| 601 } | |
|
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602 }, |
|
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603 |
|
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604 // calibrate (only faking) |
|
765
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|
605 calibrate : function (data, res) { |
|
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606 var oldRes = data.settings.ddpi; |
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607 if (res == null) { |
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608 res = window.prompt("Display resolution (dpi)", oldRes); |
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609 } |
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610 if (res != null) { |
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611 data.settings.ddpi = res; |
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612 redisplay(data); |
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613 } |
|
753
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614 }, |
| 768 | 615 |
|
754
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616 // set image scale mode |
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617 setScaleMode : function (data, mode) { |
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618 var oldM = getScaleMode(data); |
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619 if (mode == null) { |
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620 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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621 } |
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622 if (mode != null) { |
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623 setScaleMode(data, mode); |
|
756
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624 data.scaleMode = mode; |
|
754
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625 redisplay(data); |
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626 } |
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|
627 } |
| 768 | 628 |
|
756
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629 // end of actions |
| 598 | 630 }; |
| 597 | 631 |
| 601 | 632 // returns parameters from page url |
| 600 | 633 var parseQueryParams = function() { |
| 629 | 634 return parseQueryString(window.location.search.slice(1)); |
| 635 }; | |
| 648 | 636 |
| 629 | 637 // returns parameters from embedded img-element |
| 600 | 638 var parseImgParams = function($elem) { |
|
606
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639 var src = $elem.find('img').first().attr('src'); |
| 703 | 640 if (!src) return null; |
| 600 | 641 var pos = src.indexOf('?'); |
| 642 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 643 var scalerUrl = src.substring(0, pos); | |
| 620 | 644 var params = parseQueryString(query); |
| 645 params.scalerBaseUrl = scalerUrl; | |
| 646 return params; | |
| 629 | 647 }; |
| 600 | 648 |
| 601 | 649 // parses query parameter string into parameter object |
| 600 | 650 var parseQueryString = function(query) { |
| 694 | 651 var params = {}; |
| 652 if (query == null) return params; | |
| 600 | 653 var pairs = query.split("&"); |
| 629 | 654 //var keys = []; |
| 600 | 655 for (var i = 0; i < pairs.length; i++) { |
| 656 var pair = pairs[i].split("="); | |
| 657 if (pair.length === 2) { | |
| 620 | 658 params[pair[0]] = pair[1]; |
| 629 | 659 //keys.push(pair[0]); |
| 627 | 660 } |
| 629 | 661 } |
| 620 | 662 return params; |
| 629 | 663 }; |
| 661 | 664 |
| 636 | 665 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 666 var getParamString = function (settings, keys, defaults) { | |
| 608 | 667 var paramString = ''; |
| 643 | 668 var nx = false; |
| 608 | 669 for (i = 0; i < keys.length; ++i) { |
| 670 var key = keys[i]; | |
| 656 | 671 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 608 | 672 // first param gets no '&' |
| 643 | 673 if (nx) { |
| 674 paramString += '&'; | |
| 675 } else { | |
| 676 nx = true; | |
| 677 } | |
| 608 | 678 // add parm=val |
| 679 paramString += key + '=' + settings[key]; | |
| 636 | 680 } |
| 608 | 681 } |
| 682 return paramString; | |
| 624 | 683 }; |
| 684 | |
| 629 | 685 // returns URL and query string for Scaler |
| 686 var getScalerUrl = function (data) { | |
| 734 | 687 packParams(data); |
| 646 | 688 var settings = data.settings; |
| 645 | 689 if (settings.scalerBaseUrl == null) { |
| 690 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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|
691 } |
| 629 | 692 var keys = settings.scalerParamNames; |
| 636 | 693 var queryString = getParamString(settings, keys, defaults); |
| 629 | 694 var url = settings.scalerBaseUrl + '?' + queryString; |
| 695 return url; | |
| 696 }; | |
| 697 | |
| 734 | 698 // returns URL for bird's eye view image |
| 736 | 699 var getBirdImgUrl = function (data, moreParams) { |
| 734 | 700 var settings = data.settings; |
| 701 var birdDivOptions = { | |
| 702 dw : settings.birdDivWidth, | |
| 703 dh : settings.birdDivHeight | |
| 704 }; | |
| 736 | 705 var birdSettings = jQuery.extend({}, settings, birdDivOptions); |
| 734 | 706 // use only the relevant parameters |
| 736 | 707 if (moreParams == null) { |
| 708 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 709 } else { | |
| 760 | 710 // filter scaler flags |
| 711 if (birdSettings.mo != null) { | |
| 712 var mo = ''; | |
| 713 if (data.scalerFlags.hmir != null) { | |
| 714 mo += 'hmir,'; | |
| 715 } | |
| 716 if (data.scalerFlags.vmir != null) { | |
| 717 mo += 'vmir'; | |
| 718 } | |
| 719 birdSettings.mo = mo; | |
| 720 } | |
| 736 | 721 var params = getParamString(birdSettings, |
| 722 settings.birdDivParams.concat(moreParams), defaults); | |
| 723 } | |
| 724 var url = settings.scalerBaseUrl + '?' + params; | |
| 734 | 725 return url; |
| 726 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
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diff
changeset
|
727 |
| 629 | 728 // returns URL and query string for current digilib |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
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diff
changeset
|
729 var getDigilibUrl = function (data) { |
| 636 | 730 packParams(data); |
| 629 | 731 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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|
732 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 737 | 733 return settings.digilibBaseUrl + '?' + queryString; |
| 629 | 734 }; |
| 735 | |
| 760 | 736 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 737 var loadImageInfo = function (data, complete) { | |
|
747
5d3da97089bc
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robcast
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diff
changeset
|
738 var settings = data.settings; |
|
5d3da97089bc
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diff
changeset
|
739 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
|
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diff
changeset
|
740 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
|
5d3da97089bc
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robcast
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diff
changeset
|
741 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 760 | 742 // TODO: better error handling |
|
747
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diff
changeset
|
743 jQuery.getJSON(url, function (json) { |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
744
diff
changeset
|
744 console.debug("got json data=", json); |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
744
diff
changeset
|
745 data.imgInfo = json; |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
744
diff
changeset
|
746 if (complete != null) { |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
744
diff
changeset
|
747 complete.call(this, data, json); |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
744
diff
changeset
|
748 } |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
744
diff
changeset
|
749 }); |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
750 }; |
| 768 | 751 |
| 648 | 752 // processes some parameters into objects and stuff |
| 624 | 753 var unpackParams = function (data) { |
| 754 var settings = data.settings; | |
| 629 | 755 // zoom area |
| 624 | 756 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 757 data.zoomArea = zoomArea; |
| 629 | 758 // marks |
| 624 | 759 var marks = []; |
| 643 | 760 if (settings.mk) { |
| 761 var mk = settings.mk; | |
| 762 if (mk.indexOf(";") >= 0) { | |
| 763 var pa = mk.split(";"); // old format with ";" | |
| 764 } else { | |
| 765 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
|
766 } |
| 643 | 767 for (var i = 0; i < pa.length ; i++) { |
| 768 var pos = pa[i].split("/"); | |
| 769 if (pos.length > 1) { | |
| 770 marks.push(geom.position(pos[0], pos[1])); | |
|
706
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robcast
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diff
changeset
|
771 } |
|
498f9c7487ae
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diff
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|
772 } |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
773 } |
| 636 | 774 data.marks = marks; |
| 643 | 775 // mo (Scaler flags) |
| 776 var flags = {}; | |
| 777 if (settings.mo) { | |
| 778 var pa = settings.mo.split(","); | |
| 779 for (var i = 0; i < pa.length ; i++) { | |
| 780 flags[pa[i]] = pa[i]; | |
|
706
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robcast
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diff
changeset
|
781 } |
|
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782 } |
| 643 | 783 data.scalerFlags = flags; |
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784 data.scaleMode = getScaleMode(data); |
| 716 | 785 retrieveOptions(data); |
| 648 | 786 }; |
| 787 | |
| 624 | 788 // put objects back into parameters |
| 789 var packParams = function (data) { | |
| 790 var settings = data.settings; | |
| 629 | 791 // zoom area |
| 636 | 792 if (data.zoomArea) { |
| 640 | 793 settings.wx = cropFloat(data.zoomArea.x); |
| 794 settings.wy = cropFloat(data.zoomArea.y); | |
| 795 settings.ww = cropFloat(data.zoomArea.width); | |
| 796 settings.wh = cropFloat(data.zoomArea.height); | |
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797 } |
| 629 | 798 // marks |
| 636 | 799 if (data.marks) { |
| 643 | 800 settings.mk = ''; |
| 636 | 801 for (var i = 0; i < data.marks.length; i++) { |
| 643 | 802 if (i) { |
| 803 settings.mk += ','; | |
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804 } |
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805 settings.mk += cropFloat(data.marks[i].x).toString() + |
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806 '/' + cropFloat(data.marks[i].y).toString(); |
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807 } |
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808 } |
| 643 | 809 // Scaler flags |
| 810 if (data.scalerFlags) { | |
| 811 var mo = ''; | |
| 812 for (var f in data.scalerFlags) { | |
| 813 if (mo) { | |
| 814 mo += ','; | |
| 815 } | |
| 816 mo += f; | |
| 817 } | |
| 818 settings.mo = mo; | |
| 819 } | |
| 703 | 820 // user interface options |
| 716 | 821 storeOptions(data); |
| 702 | 822 }; |
| 681 | 823 |
| 716 | 824 var storeOptions = function (data) { |
| 694 | 825 // save digilib options in cookie |
| 702 | 826 var settings = data.settings; |
| 827 if (data.dlOpts) { | |
| 828 // save digilib settings in options | |
| 829 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 830 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 831 var clop = ''; | |
| 832 for (var o in data.dlOpts) { | |
| 833 if (clop) { | |
| 834 clop += '&'; | |
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835 } |
| 702 | 836 clop += o + '=' + data.dlOpts[o]; |
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837 } |
| 702 | 838 if (jQuery.cookie) { |
| 839 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 840 console.debug("set cookie=", ck, " value=", clop); | |
| 841 jQuery.cookie(ck, clop); | |
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842 } |
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843 } |
| 720 | 844 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
| 845 // store normal parameters in cookie for embedded mode | |
| 846 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 847 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 848 console.debug("set cookie=", ck, " value=", qs); | |
| 849 jQuery.cookie(ck, qs); | |
| 850 } | |
| 624 | 851 }; |
| 648 | 852 |
| 716 | 853 var retrieveOptions = function (data) { |
| 702 | 854 // clop (digilib options) |
| 855 var opts = {}; | |
| 856 var settings = data.settings; | |
| 857 if (jQuery.cookie) { | |
| 858 // read from cookie | |
| 859 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 860 var cp = jQuery.cookie(ck); | |
| 861 console.debug("get cookie=", ck, " value=", cp); | |
| 862 // in query string format | |
| 863 opts = parseQueryString(cp); | |
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864 } |
| 702 | 865 data.dlOpts = opts; |
| 866 // birdview option | |
| 867 if (opts.birdview != null) { | |
| 868 settings.isBirdDivVisible = opts.birdview === '1'; | |
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869 } |
| 702 | 870 // visible button sets |
| 871 if (opts.buttons != null) { | |
| 872 settings.visibleButtonSets = opts.buttons; | |
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873 } |
| 704 | 874 }; |
| 702 | 875 |
| 615 | 876 // (re)load the img from a new scaler URL |
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877 var redisplay = function (data) { |
| 629 | 878 var settings = data.settings; |
| 879 if (settings.interactionMode === 'fullscreen') { | |
| 880 // update location.href (browser URL) in fullscreen mode | |
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881 var url = getDigilibUrl(data); |
| 629 | 882 var history = window.history; |
| 883 if (typeof(history.pushState) === 'function') { | |
| 884 console.debug("we could modify history, but we don't..."); | |
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885 } |
| 629 | 886 window.location = url; |
| 887 } else { | |
| 888 // embedded mode -- just change img src | |
| 889 var url = getScalerUrl(data); | |
| 890 data.$img.attr('src', url); | |
| 719 | 891 // redisplay bird img |
| 892 updateBirdDiv(data); | |
| 758 | 893 highlightButtons(data); |
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894 } |
| 615 | 895 }; |
| 896 | |
| 760 | 897 // update display (overlays etc.) |
| 898 var updateDisplay = function (data) { | |
| 899 updateImgTrafo(data); | |
| 900 renderMarks(data); | |
| 901 setupZoomDrag(data); | |
| 902 if (data.settings.isBirdDivVisible) { | |
| 903 renderBirdArea(data); | |
| 904 setupBirdDrag(data); | |
| 905 } | |
| 777 | 906 // send event |
| 907 $(data).trigger('update'); | |
| 760 | 908 }; |
| 768 | 909 |
| 655 | 910 // returns maximum size for scaler img in fullscreen mode |
| 771 | 911 var getFullscreenImgSize = function (data) { |
| 655 | 912 var $win = $(window); |
| 913 var winH = $win.height(); | |
| 772 | 914 var winW = $win.width(); |
| 915 var $body = $('body'); | |
| 773 | 916 // include standard body margins |
| 917 var borderW = $body.outerWidth(true) - $body.width(); | |
| 918 var borderH = $body.outerHeight(true) - $body.height(); | |
| 772 | 919 // get width of first button div |
| 920 var buttonsW = 0; | |
| 921 if (data.$buttonSets) { | |
| 922 buttonsW = data.$buttonSets[0].outerWidth(); | |
| 923 } | |
| 924 // account for left/right border, body margins and additional requirements | |
| 773 | 925 var calcW = winW - borderW - buttonsW - data.settings.scalerInset; |
| 926 var calcH = winH - borderH; | |
| 927 console.debug(winW, winH, 'winW:', $win.width(), 'border:', borderW, 'buttonsW:', buttonsW, 'calc:', calcW); | |
| 928 return geom.size(calcW, calcH); | |
| 655 | 929 }; |
| 930 | |
| 601 | 931 // creates HTML structure for digilib in elem |
| 620 | 932 var setupScalerDiv = function (data) { |
| 933 var settings = data.settings; | |
| 640 | 934 var $elem = data.$elem; |
| 718 | 935 $elem.addClass('digilib'); |
| 721 | 936 var $img; |
| 937 var scalerUrl; | |
| 601 | 938 if (settings.interactionMode === 'fullscreen') { |
| 721 | 939 // fullscreen |
| 718 | 940 $elem.addClass('dl_fullscreen'); |
| 771 | 941 var imgSize = getFullscreenImgSize(data); |
| 643 | 942 // fitwidth/height omits destination height/width |
| 721 | 943 if (data.dlOpts.fitheight == null) { |
| 643 | 944 settings.dw = imgSize.width; |
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945 } |
| 721 | 946 if (data.dlOpts.fitwidth == null) { |
| 643 | 947 settings.dh = imgSize.height; |
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948 } |
| 679 | 949 scalerUrl = getScalerUrl(data); |
| 721 | 950 $img = $('<img/>'); |
| 602 | 951 } else { |
| 721 | 952 // embedded mode -- try to keep img tag |
| 718 | 953 $elem.addClass('dl_embedded'); |
| 721 | 954 scalerUrl = getScalerUrl(data); |
| 616 | 955 $img = $elem.find('img'); |
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956 if ($img.length > 0) { |
| 721 | 957 oldUrl = $img.attr('src'); |
| 958 if (oldUrl === scalerUrl) { | |
| 959 console.debug("img detach:", $img); | |
| 960 $img.detach(); | |
| 961 } else { | |
| 962 $img = $('<img/>'); | |
| 963 } | |
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964 } else { |
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965 $img = $('<img/>'); |
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966 } |
| 601 | 967 } |
| 772 | 968 // create new inner html, keep buttons |
| 969 $elem.contents(":not(div.buttons)").remove(); | |
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970 var $scaler = $('<div class="scaler"/>'); |
| 772 | 971 // scaler should be the first child element? |
| 972 $elem.prepend($scaler); | |
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973 $scaler.append($img); |
| 615 | 974 $img.addClass('pic'); |
| 642 | 975 data.$scaler = $scaler; |
| 629 | 976 data.$img = $img; |
| 680 | 977 // setup image load handler before setting the src attribute (IE bug) |
| 978 $img.load(scalerImgLoadedHandler(data)); | |
| 760 | 979 $img.error(function () {console.error("error loading scaler image");}); |
| 680 | 980 $img.attr('src', scalerUrl); |
| 601 | 981 }; |
| 608 | 982 |
| 603 | 983 // creates HTML structure for buttons in elem |
| 690 | 984 var createButtons = function (data, buttonSetIdx) { |
| 640 | 985 var $elem = data.$elem; |
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986 var settings = data.settings; |
| 658 | 987 var mode = settings.interactionMode; |
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988 var buttonSettings = settings.buttonSettings[mode]; |
| 675 | 989 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 683 | 990 if (buttonGroup == null) { |
| 991 // no buttons here | |
| 992 return; | |
| 993 } | |
| 994 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 675 | 995 var buttonNames = buttonSettings[buttonGroup]; |
| 996 for (var i = 0; i < buttonNames.length; i++) { | |
| 997 var buttonName = buttonNames[i]; | |
| 998 var buttonConfig = settings.buttons[buttonName]; | |
| 658 | 999 // construct the button html |
| 1000 var $button = $('<div class="button"></div>'); | |
| 1001 var $a = $('<a/>'); | |
| 1002 var $img = $('<img class="button"/>'); | |
| 1003 $buttonsDiv.append($button); | |
| 1004 $button.append($a); | |
| 1005 $a.append($img); | |
| 1006 // add attributes and bindings | |
| 1007 $button.attr('title', buttonConfig.tooltip); | |
| 675 | 1008 $button.addClass('button-' + buttonName); |
| 658 | 1009 // create handler for the buttons |
| 1010 $a.bind('click.digilib', (function () { | |
| 1011 // we create a new closure to capture the value of action | |
| 1012 var action = buttonConfig.onclick; | |
| 1013 if ($.isArray(action)) { | |
| 1014 // the handler function calls digilib with action and parameters | |
| 1015 return function (evt) { | |
| 1016 console.debug('click action=', action, ' evt=', evt); | |
| 1017 $elem.digilib.apply($elem, action); | |
| 1018 return false; | |
| 1019 }; | |
| 1020 } else { | |
| 1021 // the handler function calls digilib with action | |
| 1022 return function (evt) { | |
| 1023 console.debug('click action=', action, ' evt=', evt); | |
| 1024 $elem.digilib(action); | |
| 1025 return false; | |
| 1026 }; | |
| 1027 } | |
| 1028 })()); | |
| 758 | 1029 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 683 | 1030 } |
| 655 | 1031 // make buttons div scroll if too large for window |
| 1032 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1033 $buttonsDiv.css('position', 'absolute'); | |
| 1034 } | |
| 690 | 1035 // buttons hidden at first |
| 1036 $buttonsDiv.hide(); | |
| 1037 $elem.append($buttonsDiv); | |
| 675 | 1038 if (data.$buttonSets == null) { |
| 690 | 1039 // first button set |
| 675 | 1040 data.$buttonSets = [$buttonsDiv]; |
| 1041 } else { | |
| 683 | 1042 $elem.append($buttonsDiv); |
| 675 | 1043 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1044 } | |
| 605 | 1045 return $buttonsDiv; |
| 603 | 1046 }; |
| 608 | 1047 |
| 1048 // creates HTML structure for the bird's eye view in elem | |
| 631 | 1049 var setupBirdDiv = function (data) { |
| 640 | 1050 var $elem = data.$elem; |
| 608 | 1051 // the bird's eye div |
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1052 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 608 | 1053 // the detail indicator frame |
| 719 | 1054 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 608 | 1055 // the small image |
| 1056 var $birdImg = $('<img class="birdimg"/>'); | |
| 716 | 1057 data.$birdDiv = $birdDiv; |
| 1058 data.$birdZoom = $birdZoom; | |
| 1059 data.$birdImg = $birdImg; | |
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1060 $elem.append($birdDiv); |
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1061 $birdDiv.append($birdZoom); |
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1062 $birdDiv.append($birdImg); |
| 768 | 1063 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 716 | 1064 var birdUrl = getBirdImgUrl(data); |
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1065 $birdImg.load(birdImgLoadedHandler(data)); |
| 760 | 1066 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 716 | 1067 $birdImg.attr('src', birdUrl); |
| 1068 }; | |
| 1069 | |
| 1070 // update bird's eye view | |
| 1071 var updateBirdDiv = function (data) { | |
| 1072 if (!data.settings.isBirdDivVisible) return; | |
| 1073 var $birdImg = data.$birdImg; | |
| 1074 var oldsrc = $birdImg.attr('src'); | |
| 1075 var newsrc = getBirdImgUrl(data); | |
| 1076 if (oldsrc !== newsrc) { | |
| 1077 $birdImg.attr('src', newsrc); | |
| 1078 // onload handler re-renders | |
| 1079 } else { | |
| 1080 // re-render | |
| 1081 renderBirdArea(data); | |
| 723 | 1082 // enable click and drag |
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1083 setupBirdDrag(data); |
| 716 | 1084 } |
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1085 }; |
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1086 |
| 618 | 1087 // creates HTML structure for the about view in elem |
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1088 var setupAboutDiv = function (data) { |
| 640 | 1089 var $elem = data.$elem; |
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1090 var settings = data.settings; |
| 618 | 1091 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 609 | 1092 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1093 var $link = $('<a/>'); | |
| 1094 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1095 var $content = $('<p/>'); | |
| 1096 $elem.append($aboutDiv); | |
| 1097 $aboutDiv.append($header); | |
| 1098 $aboutDiv.append($link); | |
| 1099 $aboutDiv.append($content); | |
| 1100 $link.append($logo); | |
| 1101 $logo.attr('src', settings.logoUrl); | |
| 628 | 1102 $link.attr('href', settings.homeUrl); |
| 609 | 1103 $content.text('Version: ' + settings.version); |
| 768 | 1104 data.$aboutDiv = $aboutDiv; |
| 628 | 1105 // click hides |
| 768 | 1106 $aboutDiv.bind('click.digilib', function () { |
| 1107 actions['showAboutDiv'](data, false); | |
| 703 | 1108 }); |
| 627 | 1109 }; |
| 1110 | |
| 628 | 1111 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1112 var showDiv = function (isVisible, $div, show) { | |
| 638 | 1113 if (show == null) { |
| 628 | 1114 // toggle visibility |
| 1115 isVisible = !isVisible; | |
| 1116 } else { | |
| 1117 // set visibility | |
| 1118 isVisible = show; | |
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1119 } |
| 628 | 1120 if (isVisible) { |
| 1121 $div.fadeIn(); | |
| 1122 } else { | |
| 1123 $div.fadeOut(); | |
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1124 } |
| 628 | 1125 return isVisible; |
| 627 | 1126 }; |
| 609 | 1127 |
| 690 | 1128 // display more (or less) button sets |
| 1129 var showButtons = function (data, more, setIdx, animated) { | |
| 704 | 1130 var atime = animated ? 'fast': 0; |
| 690 | 1131 if (more) { |
| 1132 // add set | |
| 1133 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1134 var $set; | |
| 1135 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1136 // set exists | |
| 1137 $set = data.$buttonSets[setIdx]; | |
| 1138 } else { | |
| 1139 $set = createButtons(data, setIdx); | |
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1140 } |
| 690 | 1141 if ($set == null) return false; |
| 758 | 1142 // include border in calculation |
| 1143 var btnWidth = $set.outerWidth(); | |
| 772 | 1144 // console.debug("btnWidth", btnWidth); |
| 690 | 1145 // move remaining sets left and show new set |
| 704 | 1146 if ($otherSets.length > 0) { |
| 1147 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1148 function () {$set.show();}); | |
| 690 | 1149 } else { |
| 1150 $set.show(); | |
| 704 | 1151 } |
| 690 | 1152 } else { |
| 1153 // remove set | |
| 1154 var $set = data.$buttonSets[setIdx]; | |
| 1155 if ($set == null) return false; | |
| 772 | 1156 var btnWidth = $set.outerWidth(); |
| 690 | 1157 // hide last set |
| 1158 $set.hide(); | |
| 1159 // take remaining sets and move right | |
| 1160 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 704 | 1161 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1162 } | |
| 690 | 1163 return true; |
| 1164 }; | |
| 1165 | |
| 758 | 1166 // check for buttons to highlight |
| 1167 var highlightButtons = function (data, name, on) { | |
| 1168 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1169 // add a class for highlighted button | |
| 1170 var highlight = function (name, on) { | |
| 1171 var $button = $buttons.find('div.button-' + name); | |
| 1172 if (on) { | |
| 1173 $button.addClass('button-on'); | |
| 1174 } else { | |
| 1175 $button.removeClass('button-on'); | |
| 1176 } | |
| 1177 }; | |
| 1178 if (name != null) { | |
| 1179 return highlight(name, on); | |
| 1180 } | |
| 1181 var flags = data.scalerFlags; | |
| 1182 var settings = data.settings; | |
| 1183 highlight('rot', settings.rot); | |
| 1184 highlight('brgt', settings.brgt); | |
| 1185 highlight('cont', settings.cont); | |
| 1186 highlight('bird', settings.isBirdDivVisible); | |
| 1187 highlight('help', settings.isAboutDivVisible); | |
| 1188 highlight('hmir', flags.hmir); | |
| 1189 highlight('vmir', flags.vmir); | |
| 759 | 1190 highlight('quality', flags.q1 || flags.q2); |
| 758 | 1191 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1192 }; | |
| 768 | 1193 |
|
651
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split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1194 // create Transform from area and $img |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1195 var getImgTrafo = function ($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
|
1196 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
|
1197 if (mode != null) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1198 var imgInfo = data.imgInfo; |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1199 if (mode === 'pixel') { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1200 // 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
|
1201 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
|
1202 area.width = picrect.width / imgInfo.width; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1203 area.height = picrect.height / imgInfo.height; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1204 } else { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1205 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
|
1206 } |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1207 } |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1208 if (mode === 'size') { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1209 // 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
|
1210 if (imgInfo != null) { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1211 var ddpi = parseFloat(data.settings.ddpi); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1212 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
|
1213 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
|
1214 } else { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1215 console.error("No image info for original size mode!"); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1216 } |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1217 } |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1218 } |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1219 var trafo = geom.transform(); |
| 668 | 1220 // move zoom area offset to center |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1221 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 668 | 1222 // 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
|
1223 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 668 | 1224 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1225 if (rot || hmir || vmir) { | |
| 1226 // move [0.5,0.5] to center | |
| 1227 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1228 if (hmir) { | |
| 1229 // mirror about center | |
| 1230 trafo.concat(trafo.getMirror('y')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1231 } |
| 668 | 1232 if (vmir) { |
| 1233 // mirror about center | |
| 1234 trafo.concat(trafo.getMirror('x')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1235 } |
| 668 | 1236 if (rot) { |
| 1237 // rotate around center | |
| 1238 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1239 } |
| 668 | 1240 // move back |
| 1241 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
|
1242 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1243 // 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
|
1244 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
|
1245 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
|
1246 return trafo; |
| 648 | 1247 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1248 |
| 760 | 1249 // update scaler image transform |
| 1250 var updateImgTrafo = function (data) { | |
| 1251 var $img = data.$img; | |
| 1252 if ($img != null && $img.get(0).complete) { | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1253 // create Transform from current zoomArea and image size |
| 668 | 1254 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1255 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
|
1256 data.scaleMode, data); |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1257 // console.debug("imgTrafo=", data.imgTrafo); |
| 760 | 1258 } |
| 1259 }; | |
| 768 | 1260 |
| 760 | 1261 // returns function for load event of scaler img |
| 1262 var scalerImgLoadedHandler = function (data) { | |
| 1263 return function () { | |
| 1264 var $img = $(this); | |
| 1265 console.debug("scaler img loaded=",$img); | |
| 1266 var $scaler = data.$scaler; | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1267 var imgRect = geom.rectangle($img); |
| 726 | 1268 // adjust scaler div size |
| 731 | 1269 imgRect.adjustDiv($scaler); |
| 708 | 1270 // show image in case it was hidden (for example in zoomDrag) |
| 726 | 1271 $img.css('visibility', 'visible'); |
| 734 | 1272 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1273 // update display (render marks, etc.) |
| 1274 updateDisplay(data); | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1275 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1276 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1277 |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1278 // 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
|
1279 var birdImgLoadedHandler = function (data) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1280 return function () { |
| 748 | 1281 var $birdImg = $(this); |
| 1282 var birdRect = geom.rectangle($birdImg); | |
| 1283 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1284 if (birdRect.width === 0) { | |
| 1285 // 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
|
1286 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 748 | 1287 } |
| 760 | 1288 // update display (zoom area indicator) |
| 1289 updateDisplay(data); | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1290 }; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1291 }; |
| 626 | 1292 |
| 1293 // place marks on the image | |
| 1294 var renderMarks = function (data) { | |
| 760 | 1295 if (data.$img == null || data.imgTrafo == null) return; |
| 1296 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 640 | 1297 var $elem = data.$elem; |
| 636 | 1298 var marks = data.marks; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1299 // clear marks |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1300 $elem.find('div.mark').remove(); |
| 626 | 1301 for (var i = 0; i < marks.length; i++) { |
| 1302 var mark = marks[i]; | |
| 636 | 1303 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 1304 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
|
1305 console.debug("renderMarks: mpos=",mpos); |
| 626 | 1306 // create mark |
| 1307 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1308 var $mark = $(html); | |
| 1309 $elem.append($mark); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1310 mpos.adjustDiv($mark); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1311 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1312 } |
| 626 | 1313 }; |
| 648 | 1314 |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
1315 // show zoom area indicator on bird's eye view |
| 716 | 1316 var renderBirdArea = function (data) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1317 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1318 var $birdZoom = data.$birdZoom; |
| 652 | 1319 var zoomArea = data.zoomArea; |
| 716 | 1320 var normalSize = isFullArea(zoomArea); |
| 1321 if (normalSize) { | |
| 1322 $birdZoom.hide(); | |
| 1323 return; | |
| 1324 } else { | |
| 1325 $birdZoom.show(); | |
| 1326 } | |
| 748 | 1327 // create Transform from current area and picsize |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1328 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 731 | 1329 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 748 | 1330 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 734 | 1331 // acount for border width |
| 768 | 1332 var bw = getBorderWidth($birdZoom); |
| 1333 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1334 if (data.settings.interactionMode === 'fullscreen') { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1335 // no animation for fullscreen |
| 731 | 1336 zoomRect.adjustDiv($birdZoom); |
| 716 | 1337 } else { |
| 1338 // nice animation for embedded mode :-) | |
| 734 | 1339 // correct offsetParent because animate doesn't use offset |
| 719 | 1340 var ppos = $birdZoom.offsetParent().offset(); |
| 731 | 1341 var dest = { |
| 748 | 1342 left : (zoomRect.x - ppos.left) + 'px', |
| 1343 top : (zoomRect.y - ppos.top) + 'px', | |
| 1344 width : zoomRect.width, | |
| 1345 height : zoomRect.height | |
| 1346 }; | |
| 731 | 1347 $birdZoom.animate(dest); |
| 716 | 1348 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1349 }; |
| 652 | 1350 |
| 640 | 1351 // zooms by the given factor |
| 636 | 1352 var zoomBy = function(data, factor) { |
| 1353 var area = data.zoomArea; | |
| 1354 var newarea = area.copy(); | |
| 1355 // scale | |
| 1356 newarea.width /= factor; | |
| 1357 newarea.height /= factor; | |
| 1358 // and recenter | |
| 1359 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1360 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1361 newarea = FULL_AREA.fit(newarea); |
| 636 | 1362 data.zoomArea = newarea; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1363 redisplay(data); |
| 636 | 1364 }; |
| 1365 | |
| 640 | 1366 // add a mark where clicked |
| 1367 var setMark = function (data) { | |
| 642 | 1368 var $scaler = data.$scaler; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1369 // unbind other handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1370 $scaler.unbind(".dlZoomDrag"); |
| 640 | 1371 // start event capturing |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1372 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 640 | 1373 // event handler adding a new mark |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1374 console.log("setmark at=", evt); |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1375 var mpos = geom.position(evt); |
| 640 | 1376 var pos = data.imgTrafo.invtransform(mpos); |
| 1377 data.marks.push(pos); | |
| 1378 redisplay(data); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1379 return false; |
| 640 | 1380 }); |
| 1381 }; | |
| 661 | 1382 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1383 // zoom to the area around two clicked points |
| 647 | 1384 var zoomArea = function(data) { |
| 1385 $elem = data.$elem; | |
| 1386 $scaler = data.$scaler; | |
| 1387 var pt1, pt2; | |
| 1388 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1389 $elem.append($zoomDiv); | |
| 768 | 1390 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 647 | 1391 var picRect = geom.rectangle($scaler); |
| 1392 // FIX ME: is there a way to query the border width from CSS info? | |
| 1393 // rect.x -= 2; // account for overlay borders | |
| 1394 // rect.y -= 2; | |
| 1395 | |
| 1396 var zoomStart = function (evt) { | |
| 1397 pt1 = geom.position(evt); | |
| 1398 // setup and show zoom div | |
| 731 | 1399 pt1.adjustDiv($zoomDiv); |
| 661 | 1400 $zoomDiv.width(0).height(0); |
| 647 | 1401 $zoomDiv.show(); |
| 1402 // register events | |
| 731 | 1403 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1404 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1405 return false; |
| 1406 }; | |
| 661 | 1407 |
| 734 | 1408 // mouse move handler |
| 1409 var zoomMove = function (evt) { | |
| 1410 pt2 = geom.position(evt); | |
| 1411 var rect = geom.rectangle(pt1, pt2); | |
| 1412 rect.clipTo(picRect); | |
| 1413 // update zoom div | |
| 1414 rect.adjustDiv($zoomDiv); | |
| 1415 return false; | |
| 1416 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1417 |
| 647 | 1418 // mouseup handler: end moving |
| 1419 var zoomEnd = function (evt) { | |
| 1420 pt2 = geom.position(evt); | |
| 1421 // assume a click and continue if the area is too small | |
| 1422 var clickRect = geom.rectangle(pt1, pt2); | |
| 703 | 1423 if (clickRect.getArea() <= 5) return false; |
| 647 | 1424 // hide zoom div |
| 1425 $zoomDiv.remove(); | |
| 1426 // unregister events | |
| 731 | 1427 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1428 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1429 // clip and transform |
| 1430 clickRect.clipTo(picRect); | |
| 1431 var area = data.imgTrafo.invtransform(clickRect); | |
| 1432 data.zoomArea = area; | |
| 1433 // zoomed is always fit | |
| 1434 data.settings.ws = 1; | |
| 731 | 1435 delete data.dlOpts.fitwidth; |
| 1436 delete data.dlOpts.fitheight; | |
| 647 | 1437 redisplay(data); |
| 1438 return false; | |
| 1439 }; | |
| 661 | 1440 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1441 // clear old handler (also ZoomDrag) |
| 731 | 1442 $scaler.unbind('.dlZoomArea'); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1443 $scaler.unbind(".dlZoomDrag"); |
| 731 | 1444 $elem.unbind('.dlZoomArea'); |
| 647 | 1445 // bind start zoom handler |
| 731 | 1446 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 647 | 1447 }; |
| 640 | 1448 |
| 716 | 1449 // bird's eye view zoom area click and drag handler |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1450 var setupBirdDrag = function(data) { |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1451 var $birdImg = data.$birdImg; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1452 var $birdZoom = data.$birdZoom; |
| 723 | 1453 var $document = $(document); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1454 var $scaler = data.$scaler; |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1455 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 768 | 1456 var bw = getBorderWidth($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1457 |
| 734 | 1458 // mousedown handler: start dragging bird zoom to a new position |
| 1459 var birdZoomStartDrag = function(evt) { | |
| 1460 startPos = geom.position(evt); | |
| 1461 // position may have changed | |
| 1462 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1463 birdImgRect = geom.rectangle($birdImg); | |
| 1464 birdZoomRect = geom.rectangle($birdZoom); | |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1465 scalerPos = geom.position($scaler); |
| 734 | 1466 newRect = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1467 fullRect = setZoomBG(data); // setup zoom background image |
| 734 | 1468 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1469 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1470 return false; | |
| 1471 }; | |
| 1472 | |
| 726 | 1473 // mousemove handler: drag |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1474 var birdZoomMove = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1475 var pos = geom.position(evt); |
| 723 | 1476 var delta = startPos.delta(pos); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1477 // move birdZoom div, keeping size |
| 723 | 1478 newRect = birdZoomRect.copy(); |
| 726 | 1479 newRect.addPosition(delta); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1480 newRect.stayInside(birdImgRect); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1481 // reflect birdview zoom position in scaler image |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1482 var area = data.birdTrafo.invtransform(newRect); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1483 var imgArea = data.imgTrafo.transform(area); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1484 var offset = imgArea.getPosition().neg(); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1485 offset.add(scalerPos); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1486 if (fullRect) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1487 var bgPos = fullRect.getPosition().add(offset); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1488 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1489 var bgPos = offset; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1490 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1491 // move the background image to the new position |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1492 data.$scaler.css({ |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1493 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1494 }); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1495 // acount for border width |
| 768 | 1496 newRect.addPosition({x : -bw, y : -bw}); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1497 newRect.adjustDiv($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1498 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1499 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1500 |
| 726 | 1501 // mouseup handler: reload page |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1502 var birdZoomEndDrag = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1503 var settings = data.settings; |
| 723 | 1504 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1505 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1506 if (newRect == null) { | |
| 1507 // no movement happened - set center to click position | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1508 startPos = birdZoomRect.getCenter(); |
| 723 | 1509 birdZoomMove(evt); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1510 } |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1511 // ugly, but needed to prevent double border width compensation |
| 768 | 1512 newRect.addPosition({x : bw, y : bw}); |
| 723 | 1513 var newArea = data.birdTrafo.invtransform(newRect); |
| 1514 data.zoomArea = newArea; | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1515 redisplay(data); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1516 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1517 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1518 |
| 723 | 1519 // clear old handler |
| 1520 $document.unbind(".dlBirdMove"); | |
| 1521 $birdImg.unbind(".dlBirdMove"); | |
| 1522 $birdZoom.unbind(".dlBirdMove"); | |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1523 if (! isFullArea(data.zoomArea)) { |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1524 // set new handler |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1525 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1526 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1527 } |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1528 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1529 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1530 // move bird zoom indicator to reflect zoomed detail area |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1531 var setBirdZoom = function(data, rect) { |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1532 var part = data.imgTrafo.invtransform(rect); |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1533 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1534 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1535 var birdRect = birdTrafo.transform(part); |
| 768 | 1536 var $birdZoom = data.$birdZoom; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1537 // acount for border width |
| 768 | 1538 var bw = getBorderWidth($birdZoom); |
| 1539 birdRect.addPosition({x : -bw, y : -bw}); | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1540 birdRect.adjustDiv(data.$birdZoom); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1541 }; |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1542 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1543 // set zoom background |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1544 var setZoomBG = function(data) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1545 var $scaler = data.$scaler; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1546 var $img = data.$img; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1547 var fullRect = null; |
| 760 | 1548 // hide marks |
| 1549 data.$elem.find('div.mark').hide(); | |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1550 // hide the scaler img, show background of div instead |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1551 $img.css('visibility', 'hidden'); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1552 var scalerCss = { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1553 'background-image' : 'url(' + $img.attr('src') + ')', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1554 'background-repeat' : 'no-repeat', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1555 'background-position' : 'left top', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1556 'opacity' : '0.5', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1557 'cursor' : 'move' |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1558 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1559 if (data.hasBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1560 // full-size background using CSS3-background-size |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1561 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1562 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1563 // correct offset because background is relative |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1564 var scalerPos = geom.position($scaler); |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1565 fullRect.addPosition(scalerPos.neg()); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1566 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1567 scalerCss['background-image'] = 'url(' + url + ')'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1568 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1569 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1570 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1571 // too big |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1572 fullRect = null; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1573 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1574 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1575 $scaler.css(scalerCss); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1576 // isBgReady = true; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1577 return fullRect; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1578 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1579 |
| 731 | 1580 // setup handlers for dragging the zoomed image |
| 698 | 1581 var setupZoomDrag = function(data) { |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1582 var startPos, delta, fullRect; |
| 726 | 1583 var $document = $(document); |
| 698 | 1584 var $elem = data.$elem; |
| 1585 var $scaler = data.$scaler; | |
| 1586 var $img = data.$img; | |
| 703 | 1587 |
| 726 | 1588 // drag the image and load a new detail on mouse up |
| 698 | 1589 var dragStart = function (evt) { |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1590 console.debug("dragstart at=",evt); |
|
730
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1591 // don't start dragging if not zoomed |
|
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1592 if (isFullArea(data.zoomArea)) return false; |
| 726 | 1593 startPos = geom.position(evt); |
| 734 | 1594 delta = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1595 // set low res background immediately on mousedown |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1596 fullRect = setZoomBG(data); |
| 726 | 1597 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1598 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1599 return false; |
| 698 | 1600 }; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1601 |
| 726 | 1602 // mousemove handler: drag zoomed image |
| 698 | 1603 var dragMove = function (evt) { |
| 1604 var pos = geom.position(evt); | |
| 734 | 1605 delta = startPos.delta(pos); |
| 1606 if (fullRect) { | |
| 1607 var bgPos = fullRect.getPosition().add(delta); | |
| 1608 } else { | |
| 1609 var bgPos = delta; | |
| 1610 } | |
| 698 | 1611 // move the background image to the new position |
| 708 | 1612 $scaler.css({ |
| 734 | 1613 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 698 | 1614 }); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1615 // set birdview indicator to reflect new zoom position |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1616 var za = geom.rectangle($img); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1617 za.addPosition(delta.neg()); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1618 setBirdZoom(data, za); |
| 698 | 1619 return false; |
| 1620 }; | |
| 703 | 1621 |
| 726 | 1622 // mouseup handler: reload zoomed image in new position |
| 698 | 1623 var dragEnd = function (evt) { |
| 732 | 1624 $scaler.css('cursor', 'auto'); |
| 726 | 1625 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1626 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1627 if (delta == null || delta.distance() < 2) { | |
| 1628 // no movement | |
| 1629 $img.css('visibility', 'visible'); | |
| 734 | 1630 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1631 // unhide marks |
| 1632 data.$elem.find('div.mark').show(); | |
| 726 | 1633 return false; |
| 1634 } | |
| 1635 // get old zoom area (screen coordinates) | |
| 734 | 1636 var za = geom.rectangle($img); |
| 726 | 1637 // move |
| 734 | 1638 za.addPosition(delta.neg()); |
| 726 | 1639 // transform back |
| 1640 var newArea = data.imgTrafo.invtransform(za); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1641 data.zoomArea = FULL_AREA.fit(newArea); |
|
701
2660b733a1e7
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
700
diff
changeset
|
1642 redisplay(data); |
| 698 | 1643 return false; |
| 1644 }; | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1645 |
| 726 | 1646 // clear old handler |
| 1647 $document.unbind(".dlZoomDrag"); | |
| 734 | 1648 $scaler.unbind(".dlZoomDrag"); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1649 if (! isFullArea(data.zoomArea)) { |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1650 // set handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1651 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1652 } |
| 698 | 1653 }; |
| 1654 | |
| 696 | 1655 // get image quality as a number (0..2) |
| 1656 var getQuality = function (data) { | |
| 1657 var flags = data.scalerFlags; | |
| 1658 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1659 return parseInt(q[1], 10); | |
| 699 | 1660 }; |
| 696 | 1661 |
| 1662 // set image quality as a number (0..2) | |
| 1663 var setQuality = function (data, qual) { | |
| 1664 var flags = data.scalerFlags; | |
| 1665 // clear flags | |
| 1666 for (var i = 0; i < 3; ++i) { | |
| 1667 delete flags['q'+i]; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1668 } |
| 696 | 1669 flags['q'+qual] = 'q'+qual; |
| 699 | 1670 }; |
| 703 | 1671 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1672 // get image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1673 var getScaleMode = function (data) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1674 if (data.scalerFlags.clip != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1675 return 'pixel'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1676 } else if (data.scalerFlags.osize != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1677 return 'size'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1678 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1679 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1680 return 'screen'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1681 }; |
| 768 | 1682 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1683 // set image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1684 var setScaleMode = function (data, mode) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1685 delete data.scalerFlags.fit; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1686 delete data.scalerFlags.clip; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1687 delete data.scalerFlags.osize; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1688 if (mode === 'pixel') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1689 data.scalerFlags.clip = 'clip'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1690 } else if (mode === 'size') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1691 data.scalerFlags.osize = 'osize'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1692 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1693 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1694 }; |
| 768 | 1695 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1696 // sets a key to a value (relative values with +/- if relative=true) |
| 643 | 1697 var setNumValue = function(settings, key, value) { |
| 709 | 1698 if (value == null) return null; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1699 if (isNumber(value)) { |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1700 settings[key] = value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1701 return value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1702 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1703 var sign = value[0]; |
| 643 | 1704 if (sign === '+' || sign === '-') { |
| 1705 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1706 // this isn't perfect but still... |
| 643 | 1707 settings[key] = 0; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1708 } |
| 643 | 1709 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1710 } else { | |
| 1711 settings[key] = value; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1712 } |
| 643 | 1713 return settings[key]; |
| 1714 }; | |
| 648 | 1715 |
| 768 | 1716 // auxiliary function, assuming equal border width on all sides |
| 1717 var getBorderWidth = function($elem) { | |
| 1718 var border = $elem.outerWidth() - $elem.width(); | |
| 1719 return border/2; | |
| 1720 }; | |
| 1721 | |
| 648 | 1722 // auxiliary function (from old dllib.js) |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1723 var isFullArea = function(area) { |
| 652 | 1724 return (area.width === 1.0) && (area.height === 1.0); |
| 648 | 1725 }; |
| 1726 | |
| 634 | 1727 // auxiliary function (from Douglas Crockford, A.10) |
| 1728 var isNumber = function isNumber(value) { | |
| 703 | 1729 return typeof value === 'number' && isFinite(value); |
| 634 | 1730 }; |
| 648 | 1731 |
| 624 | 1732 // auxiliary function to crop senseless precision |
| 1733 var cropFloat = function (x) { | |
| 630 | 1734 return parseInt(10000 * x, 10) / 10000; |
| 624 | 1735 }; |
| 648 | 1736 |
| 685 | 1737 // fallback for console.log calls |
| 1738 if (customConsole) { | |
| 1739 var logFunction = function(type) { | |
| 1740 return function(){ | |
| 1741 var $debug = $('#debug'); // debug div | |
| 1742 if (!$debug) return; | |
| 1743 var args = Array.prototype.slice.call(arguments); | |
| 1744 var argtext = args.join(' '); | |
| 1745 var $logDiv = $('<div/>'); | |
| 1746 $logDiv.addClass(type); | |
| 1747 $logDiv.text(argtext); | |
| 1748 $debug.append($logDiv); | |
| 1749 }; | |
| 1750 }; | |
| 1751 console.log = logFunction('_log'); | |
| 1752 console.debug = logFunction('_debug'); | |
| 1753 console.error = logFunction('_error'); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1754 } |
| 685 | 1755 |
| 598 | 1756 // hook plugin into jquery |
| 771 | 1757 $.fn.digilib = function(action) { |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1758 // plugin extension mechanism |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1759 if (action === 'extendPlugin') { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1760 // for each digilib $elem extend data.settings with obj.options |
| 771 | 1761 // TODO: couldn't other plugins just access $elem.data('digilib')? |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1762 if (obj.options) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1763 this.each(function() { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1764 var $elem = $(this); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1765 // console.debug('extending:', $elem); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1766 var data = $elem.data('digilib'); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1767 if (!data) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1768 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
|
1769 } |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1770 var settings = data.settings; |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1771 $.extend(settings, obj.options); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1772 // console.log('settings:', settings); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1773 }); |
| 771 | 1774 delete(obj.options); |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1775 } |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1776 // extend the plugin actions (to make this useful, |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1777 // maybe we need to expose some more internal functions) |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1778 $.extend(actions, obj); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1779 } else if (actions[action]) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1780 // 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
|
1781 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1782 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1783 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1784 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1785 return actions[action].apply(this, args); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1786 } else if (typeof(action) === 'object' || !action) { |
| 627 | 1787 // call init on this |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1788 return actions.init.apply(this, arguments); |
| 598 | 1789 } else { |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1790 $.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
|
1791 } |
| 598 | 1792 }; |
| 685 | 1793 |
| 597 | 1794 })(jQuery); |