Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 776:e49beded69d7 jquery
minor precisations
| author | hertzhaft |
|---|---|
| date | Fri, 11 Feb 2011 23:19:14 +0100 |
| parents | 65cdf970934d |
| children | 34bba748004d |
| rev | line source |
|---|---|
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1 /* Copyright (c) 2011 Martin Raspe, Robert Casties |
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2 |
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3 This program is free software: you can redistribute it and/or modify |
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4 it under the terms of the GNU Lesser General Public License as published by |
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5 the Free Software Foundation, either version 2 of the License, or |
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6 (at your option) any later version. |
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7 |
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8 This program is distributed in the hope that it will be useful, |
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9 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 GNU Lesser General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU Lesser General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 |
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16 Authors: |
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17 Martin Raspe, Robert Casties, 11.1.2011 |
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18 */ |
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19 |
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20 /** |
| 604 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
| 655 | 24 |
| 767 | 25 /*jslint browser: true, debug: true, forin: true |
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26 */ |
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27 |
| 636 | 28 // fallback for console.log calls |
| 29 if (typeof(console) === 'undefined') { | |
| 30 var console = { | |
| 692 | 31 log : function(){}, |
| 32 debug : function(){}, | |
| 33 error : function(){} | |
| 34 }; | |
| 35 var customConsole = true; | |
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36 } |
| 604 | 37 |
| 38 (function($) { | |
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39 var buttons = { |
| 610 | 40 reference : { |
| 689 | 41 onclick : "reference", |
| 610 | 42 tooltip : "get a reference URL", |
| 765 | 43 icon : "reference.png" |
| 610 | 44 }, |
| 45 zoomin : { | |
| 643 | 46 onclick : ["zoomBy", 1.4], |
| 610 | 47 tooltip : "zoom in", |
| 765 | 48 icon : "zoom-in.png" |
| 610 | 49 }, |
| 50 zoomout : { | |
| 643 | 51 onclick : ["zoomBy", 0.7], |
| 610 | 52 tooltip : "zoom out", |
| 765 | 53 icon : "zoom-out.png" |
| 610 | 54 }, |
| 55 zoomarea : { | |
| 654 | 56 onclick : "zoomArea", |
| 610 | 57 tooltip : "zoom area", |
| 765 | 58 icon : "zoom-area.png" |
| 610 | 59 }, |
| 60 zoomfull : { | |
| 650 | 61 onclick : "zoomFull", |
| 610 | 62 tooltip : "view the whole image", |
| 765 | 63 icon : "zoom-full.png" |
| 610 | 64 }, |
| 65 pagewidth : { | |
| 650 | 66 onclick : ["zoomFull", "width"], |
| 610 | 67 tooltip : "page width", |
| 765 | 68 icon : "pagewidth.png" |
| 610 | 69 }, |
| 70 back : { | |
| 623 | 71 onclick : ["gotoPage", "-1"], |
| 610 | 72 tooltip : "goto previous image", |
| 765 | 73 icon : "back.png" |
| 610 | 74 }, |
| 75 fwd : { | |
| 623 | 76 onclick : ["gotoPage", "+1"], |
| 610 | 77 tooltip : "goto next image", |
| 765 | 78 icon : "fwd.png" |
| 610 | 79 }, |
| 80 page : { | |
| 716 | 81 onclick : "gotoPage", |
| 82 tooltip : "goto image number", | |
| 765 | 83 icon : "page.png" |
| 610 | 84 }, |
| 85 bird : { | |
| 635 | 86 onclick : "showBirdDiv", |
| 610 | 87 tooltip : "show bird's eye view", |
| 765 | 88 icon : "birds-eye.png" |
| 610 | 89 }, |
| 90 help : { | |
| 635 | 91 onclick : "showAboutDiv", |
| 610 | 92 tooltip : "about Digilib", |
| 765 | 93 icon : "help.png" |
| 610 | 94 }, |
| 95 reset : { | |
| 688 | 96 onclick : "reset", |
| 610 | 97 tooltip : "reset image", |
| 765 | 98 icon : "reset.png" |
| 610 | 99 }, |
| 100 mark : { | |
| 647 | 101 onclick : "setMark", |
| 610 | 102 tooltip : "set a mark", |
| 765 | 103 icon : "mark.png" |
| 610 | 104 }, |
| 105 delmark : { | |
| 650 | 106 onclick : "removeMark", |
| 610 | 107 tooltip : "delete the last mark", |
| 765 | 108 icon : "delmark.png" |
| 610 | 109 }, |
| 110 hmir : { | |
| 661 | 111 onclick : ["mirror", "h"], |
| 610 | 112 tooltip : "mirror horizontally", |
| 765 | 113 icon : "mirror-horizontal.png" |
| 610 | 114 }, |
| 115 vmir : { | |
| 661 | 116 onclick : ["mirror", "v"], |
| 610 | 117 tooltip : "mirror vertically", |
| 765 | 118 icon : "mirror-vertical.png" |
| 610 | 119 }, |
| 120 rot : { | |
| 663 | 121 onclick : "rotate", |
| 610 | 122 tooltip : "rotate image", |
| 765 | 123 icon : "rotate.png" |
| 610 | 124 }, |
| 125 brgt : { | |
| 663 | 126 onclick : "brightness", |
| 610 | 127 tooltip : "set brightness", |
| 765 | 128 icon : "brightness.png" |
| 610 | 129 }, |
| 130 cont : { | |
| 663 | 131 onclick : "contrast", |
| 610 | 132 tooltip : "set contrast", |
| 765 | 133 icon : "contrast.png" |
| 610 | 134 }, |
| 135 rgb : { | |
| 136 onclick : "javascript:setParamWin('rgb', '...')", | |
| 137 tooltip : "set rgb values", | |
| 765 | 138 icon : "rgb.png" |
| 610 | 139 }, |
| 140 quality : { | |
| 748 | 141 onclick : "setQuality", |
| 610 | 142 tooltip : "set image quality", |
| 765 | 143 icon : "quality.png" |
| 610 | 144 }, |
| 145 size : { | |
| 146 onclick : "javascript:toggleSizeMenu()", | |
| 147 tooltip : "set page size", | |
| 765 | 148 icon : "size.png" |
| 610 | 149 }, |
| 150 calibrationx : { | |
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151 onclick : "calibrate", |
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152 tooltip : "calibrate screen resolution", |
| 765 | 153 icon : "calibration-x.png" |
| 610 | 154 }, |
| 155 scale : { | |
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156 onclick : "setScaleMode", |
| 610 | 157 tooltip : "change image scale", |
| 765 | 158 icon : "original-size.png" |
| 610 | 159 }, |
| 699 | 160 toggleoptions : { |
| 748 | 161 onclick : "moreButtons", |
| 699 | 162 tooltip : "more options", |
| 765 | 163 icon : "options.png" |
| 699 | 164 }, |
| 690 | 165 moreoptions : { |
| 748 | 166 onclick : ["moreButtons", "+1"], |
| 690 | 167 tooltip : "more options", |
| 765 | 168 icon : "options.png" |
| 690 | 169 }, |
| 170 lessoptions : { | |
| 748 | 171 onclick : ["moreButtons", "-1"], |
| 690 | 172 tooltip : "less options", |
| 765 | 173 icon : "options.png" |
| 610 | 174 }, |
| 175 SEP : { | |
| 765 | 176 icon : "sep.png" |
| 610 | 177 } |
| 178 }; | |
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179 |
| 605 | 180 var defaults = { |
| 616 | 181 // version of this script |
| 635 | 182 'version' : 'jquery.digilib.js 0.9', |
| 616 | 183 // logo url |
| 184 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 635 | 185 // homepage url (behind logo) |
| 186 'homeUrl' : 'http://digilib.berlios.de', | |
| 744 | 187 // base URL to digilib viewer (for reference URLs) |
| 188 'digilibBaseUrl' : null, | |
| 610 | 189 // base URL to Scaler servlet |
| 652 | 190 'scalerBaseUrl' : null, |
| 610 | 191 // list of Scaler parameters |
| 627 | 192 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 193 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 194 // Scaler parameter defaults | |
| 643 | 195 'pn' : 1, |
| 627 | 196 'ww' : 1.0, |
| 197 'wh' : 1.0, | |
| 198 'wx' : 0.0, | |
| 199 'wy' : 0.0, | |
| 200 'ws' : 1.0, | |
| 643 | 201 'mo' : '', |
| 202 'rot' : 0, | |
| 203 'cont' : 0, | |
| 204 'brgt' : 0, | |
| 205 'rgbm' : '0/0/0', | |
| 206 'rgba' : '0/0/0', | |
| 207 'ddpi' : null, | |
| 208 'ddpix' : null, | |
| 209 'ddpiy' : null, | |
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210 // list of digilib parameters |
| 650 | 211 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','mk','clop'], |
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212 // digilib parameter defaults |
| 643 | 213 'mk' : '', |
| 650 | 214 'clop' : '', |
| 643 | 215 // mode of operation: |
| 216 // fullscreen = take parameters from page URL, keep state in page URL | |
| 217 // embedded = take parameters from Javascript options, keep state inside object | |
| 610 | 218 'interactionMode' : 'fullscreen', |
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219 // buttons |
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220 'buttons' : buttons, |
| 668 | 221 // defaults for digilib buttons |
| 665 | 222 'buttonSettings' : { |
| 223 'fullscreen' : { | |
| 668 | 224 // path to button images (must end with a slash) |
| 665 | 225 'imagePath' : 'img/fullscreen/', |
| 721 | 226 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
| 227 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
| 682 | 228 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 229 }, |
| 230 'embedded' : { | |
| 231 'imagePath' : 'img/embedded/16/', | |
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232 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
| 768 | 233 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
| 682 | 234 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 235 } |
| 697 | 236 }, |
| 775 | 237 |
| 697 | 238 // number of visible button groups |
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239 'visibleButtonSets' : 1, |
| 616 | 240 // is birdView shown? |
| 241 'isBirdDivVisible' : false, | |
| 668 | 242 // dimensions of bird's eye div |
| 674 | 243 'birdDivWidth' : 200, |
| 244 'birdDivHeight' : 200, | |
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245 // parameters used by bird's eye div |
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246 'birdDivParams' : ['fn','pn','dw','dh'], |
| 616 | 247 // is the "about" window shown? |
| 741 | 248 'isAboutDivVisible' : false, |
| 249 // maximum width of background image for drag-scroll | |
| 250 'maxBgSize' : 10000 | |
| 616 | 251 |
| 610 | 252 }; |
| 655 | 253 |
| 608 | 254 // affine geometry classes |
| 255 var geom = dlGeometry(); | |
| 655 | 256 |
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257 var FULL_AREA = geom.rectangle(0, 0, 1, 1); |
| 655 | 258 |
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259 var actions = { |
| 668 | 260 // init: digilib initialization |
| 261 init : function(options) { | |
| 262 // settings for this digilib instance are merged from defaults and options | |
| 263 var settings = $.extend({}, defaults, options); | |
| 264 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 265 var queryParams = {}; | |
| 266 if (isFullscreen) { | |
| 267 queryParams = parseQueryParams(); | |
| 268 // check scalerBaseUrl | |
| 269 if (settings.scalerBaseUrl == null) { | |
| 270 // try the host this came from | |
| 271 var h = window.location.host; | |
| 272 if (window.location.host) { | |
| 273 var url = window.location.href; | |
| 274 // assume the page lives in [webapp]/jquery/ | |
| 275 var pos = url.indexOf('jquery/'); | |
| 276 if (pos > 0) { | |
| 277 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 652 | 278 } |
| 279 } | |
| 636 | 280 } |
| 668 | 281 } |
| 282 return this.each(function() { | |
| 283 var $elem = $(this); | |
| 284 var data = $elem.data('digilib'); | |
| 688 | 285 var params, elemSettings; |
| 668 | 286 // if the plugin hasn't been initialized yet |
| 287 if (!data) { | |
| 288 // merge query parameters | |
| 289 if (isFullscreen) { | |
| 688 | 290 params = queryParams; |
| 668 | 291 } else { |
| 688 | 292 params = parseImgParams($elem); |
| 727 | 293 if (jQuery.cookie) { |
| 294 // retrieve params from cookie | |
| 295 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 296 var cs = jQuery.cookie(ck); | |
| 297 console.debug("get cookie=", ck, " value=", cs); | |
| 298 if (cs) { | |
| 299 var cp = parseQueryString(cs); | |
| 728 | 300 // ignore fn and pn from cookie TODO: should we keep pn? |
| 301 delete cp.fn; | |
| 302 delete cp.pn; | |
| 303 jQuery.extend(params, cp); | |
| 727 | 304 } |
| 305 } | |
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306 } |
| 668 | 307 // store $(this) element in the settings |
| 728 | 308 elemSettings = jQuery.extend({}, settings, params); |
| 697 | 309 data = { |
| 668 | 310 $elem : $elem, |
| 311 settings : elemSettings, | |
| 688 | 312 queryParams : params |
| 668 | 313 }; |
| 314 // store in data element | |
| 315 $elem.data('digilib', data); | |
| 316 } | |
| 317 unpackParams(data); | |
| 744 | 318 // check if browser knows *background-size |
| 741 | 319 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 320 if ($elem.css(bs+'background-size')) { | |
| 321 data.hasBgSize = true; | |
| 322 data.bgSizeName = bs+'background-size'; | |
| 323 break; | |
| 324 } | |
| 325 } | |
| 744 | 326 // check digilib base URL |
| 327 if (elemSettings.digilibBaseUrl == null) { | |
| 328 if (isFullscreen) { | |
| 329 // take current host | |
| 330 var url = window.location.toString(); | |
| 331 var pos = url.indexOf('?'); | |
| 332 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 333 } else { | |
| 334 var url = elemSettings.scalerBaseUrl; | |
| 335 if (url) { | |
| 336 // build it from scaler URL | |
| 337 var bp = url.indexOf('/servlet/Scaler'); | |
| 765 | 338 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 744 | 339 } |
| 340 } | |
| 341 } | |
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342 // get image info from server if needed |
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343 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 767 | 344 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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345 } |
| 682 | 346 // create HTML structure for scaler |
| 668 | 347 setupScalerDiv(data); |
| 697 | 348 // add buttons |
| 349 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
| 350 showButtons(data, true, i); | |
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351 } |
| 765 | 352 highlightButtons(data); |
| 668 | 353 // bird's eye view creation |
| 710 | 354 if (elemSettings.isBirdDivVisible) { |
| 638 | 355 setupBirdDiv(data); |
| 723 | 356 data.$birdDiv.show(); |
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357 } |
| 668 | 358 // about window creation - TODO: could be deferred? restrict to only one item? |
| 359 setupAboutDiv(data); | |
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360 // drag zoom area around in scaler div |
| 755 | 361 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 668 | 362 }); |
| 363 }, | |
| 364 | |
| 365 // destroy: clean up digilib | |
| 366 destroy : function(data) { | |
| 367 return this.each(function(){ | |
| 368 var $elem = $(this); | |
| 369 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 370 data.digilib.remove(); | |
| 371 $elem.removeData('digilib'); | |
| 372 }); | |
| 373 }, | |
| 374 | |
| 375 // show or hide the 'about' window | |
| 376 showAboutDiv : function(data, show) { | |
| 765 | 377 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 378 data.settings.isAboutDivVisible = on; | |
| 379 highlightButtons(data, 'help', on); | |
| 668 | 380 }, |
| 655 | 381 |
| 668 | 382 // event handler: toggles the visibility of the bird's eye window |
| 383 showBirdDiv : function (data, show) { | |
| 726 | 384 var settings = data.settings; |
| 668 | 385 if (data.$birdDiv == null) { |
| 386 // no bird div -> create | |
| 387 setupBirdDiv(data); | |
| 388 } | |
| 765 | 389 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 390 settings.isBirdDivVisible = on; | |
| 391 highlightButtons(data, 'bird', on); | |
| 726 | 392 updateBirdDiv(data); |
| 723 | 393 storeOptions(data); |
| 668 | 394 }, |
| 395 | |
| 396 // goto given page nr (+/-: relative) | |
| 397 gotoPage : function (data, pageNr) { | |
| 398 var settings = data.settings; | |
| 399 var oldpn = settings.pn; | |
| 716 | 400 if (pageNr == null) { |
| 401 pageNr = window.prompt("Goto page number", oldpn); | |
| 402 } | |
| 668 | 403 var pn = setNumValue(settings, "pn", pageNr); |
| 404 if (pn == null) return false; // nothing happened | |
| 405 if (pn < 1) { | |
| 406 alert("no such page (page number too low)"); | |
| 407 settings.pn = oldpn; | |
| 408 return false; | |
| 409 } | |
| 767 | 410 // TODO: how do we get pt? |
| 668 | 411 if (settings.pt) { |
| 412 if (pn > settings.pt) { | |
| 413 alert("no such page (page number too high)"); | |
| 623 | 414 settings.pn = oldpn; |
| 415 return false; | |
| 634 | 416 } |
| 668 | 417 } |
| 418 // reset mk and others(?) | |
| 419 data.marks = []; | |
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420 data.zoomArea = FULL_AREA; |
| 668 | 421 // then reload |
| 422 redisplay(data); | |
| 423 }, | |
| 654 | 424 |
| 668 | 425 // zoom by a given factor |
| 426 zoomBy : function (data, factor) { | |
| 427 zoomBy(data, factor); | |
| 428 }, | |
| 647 | 429 |
| 767 | 430 // zoom to area (or interactive) |
| 431 zoomArea : function (data, area) { | |
| 432 var settings = data.settings; | |
| 433 if (area == null) { | |
| 434 // interactively | |
| 435 zoomArea(data); | |
| 436 } else { | |
| 437 data.zoomArea = geom.rectangle(area); | |
| 438 redisplay(data); | |
| 439 } | |
| 668 | 440 }, |
| 650 | 441 |
| 668 | 442 // zoom out to full page |
| 443 zoomFull : function (data, mode) { | |
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444 data.zoomArea = FULL_AREA; |
| 668 | 445 if (mode === 'width') { |
| 446 data.dlOpts.fitwidth = 1; | |
| 447 delete data.dlOpts.fitheight; | |
| 448 } else if (mode === 'height') { | |
| 449 data.dlOpts.fitheight = 1; | |
| 450 delete data.dlOpts.fitwidth; | |
| 451 } else { | |
| 452 delete data.dlOpts.fitwidth; | |
| 453 delete data.dlOpts.fitheight; | |
| 454 } | |
| 455 redisplay(data); | |
| 456 }, | |
| 457 | |
| 458 // set a mark by clicking (or giving a position) | |
| 459 setMark : function (data, mpos) { | |
| 460 if (mpos == null) { | |
| 461 // interactive | |
| 462 setMark(data); | |
| 463 } else { | |
| 464 // use position | |
| 465 data.marks.push(pos); | |
| 663 | 466 redisplay(data); |
| 604 | 467 } |
| 668 | 468 }, |
| 469 | |
| 470 // remove the last mark | |
| 471 removeMark : function (data) { | |
| 472 data.marks.pop(); | |
| 473 redisplay(data); | |
| 474 }, | |
| 475 | |
| 476 // mirror the image | |
| 477 mirror : function (data, mode) { | |
| 478 var flags = data.scalerFlags; | |
| 479 if (mode === 'h') { | |
| 480 if (flags.hmir) { | |
| 481 delete flags.hmir; | |
| 482 } else { | |
| 483 flags.hmir = 1; | |
| 484 } | |
| 485 } else { | |
| 486 if (flags.vmir) { | |
| 487 delete flags.vmir; | |
| 488 } else { | |
| 489 flags.vmir = 1; | |
| 490 } | |
| 491 } | |
| 492 redisplay(data); | |
| 493 }, | |
| 650 | 494 |
| 668 | 495 // rotate the image |
| 496 rotate : function (data, angle) { | |
| 497 var rot = data.settings.rot; | |
| 498 if (angle == null) { | |
| 499 angle = window.prompt("Rotation angle:", rot); | |
| 500 } | |
| 501 data.settings.rot = angle; | |
| 502 redisplay(data); | |
| 503 }, | |
| 504 | |
| 505 // change brightness | |
| 506 brightness : function (data, factor) { | |
| 507 var brgt = data.settings.brgt; | |
| 508 if (factor == null) { | |
| 509 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 510 } | |
| 511 data.settings.brgt = factor; | |
| 512 redisplay(data); | |
| 513 }, | |
| 514 | |
| 515 // change contrast | |
| 516 contrast : function (data, factor) { | |
| 517 var cont = data.settings.cont; | |
| 518 if (factor == null) { | |
| 519 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 520 } | |
| 521 data.settings.cont = factor; | |
| 522 redisplay(data); | |
| 688 | 523 }, |
| 710 | 524 |
| 690 | 525 // display more (or less) button sets |
| 748 | 526 moreButtons : function (data, more) { |
| 696 | 527 var settings = data.settings; |
| 699 | 528 if (more == null) { |
| 703 | 529 // toggle more or less (only works for 2 sets) |
| 699 | 530 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 531 if (settings.visibleButtonSets >= maxbtns) { | |
| 532 more = '-1'; | |
| 533 } else { | |
| 534 more = '+1'; | |
| 535 } | |
| 536 } | |
| 690 | 537 if (more === '-1') { |
| 538 // remove set | |
| 697 | 539 var setIdx = settings.visibleButtonSets - 1; |
| 540 if (showButtons(data, false, setIdx, true)) { | |
| 541 settings.visibleButtonSets--; | |
| 542 } | |
| 690 | 543 } else { |
| 544 // add set | |
| 697 | 545 var setIdx = settings.visibleButtonSets; |
| 546 if (showButtons(data, true, setIdx, true)) { | |
| 547 settings.visibleButtonSets++; | |
| 690 | 548 } |
| 549 } | |
| 723 | 550 // persist setting |
| 551 storeOptions(data); | |
| 691 | 552 }, |
| 688 | 553 |
| 703 | 554 // reset image parameters to defaults |
| 688 | 555 reset : function (data) { |
| 556 var settings = data.settings; | |
| 557 var paramNames = settings.digilibParamNames; | |
| 558 var params = data.queryParams; | |
| 559 // delete all digilib parameters | |
| 560 for (var i = 0; i < paramNames.length; i++) { | |
| 561 var paramName = paramNames[i]; | |
| 562 delete settings[paramName]; | |
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563 } |
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564 settings.fn = params.fn || ''; // no default defined |
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565 settings.pn = params.pn || defaults.pn; |
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566 settings.dw = params.dw; |
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567 settings.dh = params.dh; |
| 709 | 568 settings.isBirdDivVisible = false; |
| 569 settings.visibleButtonSets = 1; | |
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570 // resets zoomArea, marks, scalerflags |
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571 data.zoomArea = FULL_AREA; |
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572 data.marks = []; |
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573 data.scalerFlags = {}; |
| 712 | 574 delete data.dlOpts.fitwidth; |
| 575 delete data.dlOpts.fitheight; | |
| 688 | 576 redisplay(data); |
| 689 | 577 }, |
| 578 | |
| 703 | 579 // presents a reference url (returns value if noprompt) |
| 580 reference : function (data, noprompt) { | |
| 689 | 581 var settings = data.settings; |
| 744 | 582 var url = getDigilibUrl(data); |
| 703 | 583 if (noprompt == null) { |
| 584 window.prompt("URL reference to the current view", url); | |
| 585 } | |
| 586 return url; | |
| 587 }, | |
| 710 | 588 |
| 703 | 589 // set image quality |
| 748 | 590 setQuality : function (data, qual) { |
| 703 | 591 var oldq = getQuality(data); |
| 592 if (qual == null) { | |
| 593 qual = window.prompt("Image quality (0..2)", oldq); | |
| 594 } | |
| 595 qual = parseInt(qual, 10); | |
| 596 if (qual >= 0 && qual <= 2) { | |
| 597 setQuality(data, qual); | |
| 598 redisplay(data); | |
| 599 } | |
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600 }, |
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601 |
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602 // calibrate (only faking) |
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603 calibrate : function (data) { |
| 767 | 604 loadImageInfo(data); |
|
760
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605 }, |
| 775 | 606 |
|
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607 // set image scale mode |
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608 setScaleMode : function (data, mode) { |
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609 var oldM = getScaleMode(data); |
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610 if (mode == null) { |
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611 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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612 } |
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613 if (mode != null) { |
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614 setScaleMode(data, mode); |
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615 data.scaleMode = mode; |
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761
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616 redisplay(data); |
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617 } |
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618 } |
| 775 | 619 |
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620 // end of actions |
| 605 | 621 }; |
| 604 | 622 |
| 608 | 623 // returns parameters from page url |
| 607 | 624 var parseQueryParams = function() { |
| 636 | 625 return parseQueryString(window.location.search.slice(1)); |
| 626 }; | |
| 655 | 627 |
| 636 | 628 // returns parameters from embedded img-element |
| 607 | 629 var parseImgParams = function($elem) { |
|
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630 var src = $elem.find('img').first().attr('src'); |
| 710 | 631 if (!src) return null; |
| 607 | 632 var pos = src.indexOf('?'); |
| 633 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 634 var scalerUrl = src.substring(0, pos); | |
| 627 | 635 var params = parseQueryString(query); |
| 636 params.scalerBaseUrl = scalerUrl; | |
| 637 return params; | |
| 636 | 638 }; |
| 607 | 639 |
| 608 | 640 // parses query parameter string into parameter object |
| 607 | 641 var parseQueryString = function(query) { |
| 701 | 642 var params = {}; |
| 643 if (query == null) return params; | |
| 607 | 644 var pairs = query.split("&"); |
| 636 | 645 //var keys = []; |
| 607 | 646 for (var i = 0; i < pairs.length; i++) { |
| 647 var pair = pairs[i].split("="); | |
| 648 if (pair.length === 2) { | |
| 627 | 649 params[pair[0]] = pair[1]; |
| 636 | 650 //keys.push(pair[0]); |
| 634 | 651 } |
| 636 | 652 } |
| 627 | 653 return params; |
| 636 | 654 }; |
| 668 | 655 |
| 643 | 656 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 657 var getParamString = function (settings, keys, defaults) { | |
| 615 | 658 var paramString = ''; |
| 650 | 659 var nx = false; |
| 615 | 660 for (i = 0; i < keys.length; ++i) { |
| 661 var key = keys[i]; | |
| 663 | 662 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 663 // first param gets no '&' |
| 650 | 664 if (nx) { |
| 665 paramString += '&'; | |
| 666 } else { | |
| 667 nx = true; | |
| 668 } | |
| 615 | 669 // add parm=val |
| 670 paramString += key + '=' + settings[key]; | |
| 643 | 671 } |
| 615 | 672 } |
| 673 return paramString; | |
| 631 | 674 }; |
| 675 | |
| 636 | 676 // returns URL and query string for Scaler |
| 677 var getScalerUrl = function (data) { | |
| 741 | 678 packParams(data); |
| 653 | 679 var settings = data.settings; |
| 652 | 680 if (settings.scalerBaseUrl == null) { |
| 681 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
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|
682 } |
| 636 | 683 var keys = settings.scalerParamNames; |
| 643 | 684 var queryString = getParamString(settings, keys, defaults); |
| 636 | 685 var url = settings.scalerBaseUrl + '?' + queryString; |
| 686 return url; | |
| 687 }; | |
| 688 | |
| 741 | 689 // returns URL for bird's eye view image |
| 743 | 690 var getBirdImgUrl = function (data, moreParams) { |
| 741 | 691 var settings = data.settings; |
| 692 var birdDivOptions = { | |
| 693 dw : settings.birdDivWidth, | |
| 694 dh : settings.birdDivHeight | |
| 695 }; | |
| 743 | 696 var birdSettings = jQuery.extend({}, settings, birdDivOptions); |
| 741 | 697 // use only the relevant parameters |
| 743 | 698 if (moreParams == null) { |
| 699 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 700 } else { | |
| 767 | 701 // filter scaler flags |
| 702 if (birdSettings.mo != null) { | |
| 703 var mo = ''; | |
| 704 if (data.scalerFlags.hmir != null) { | |
| 705 mo += 'hmir,'; | |
| 706 } | |
| 707 if (data.scalerFlags.vmir != null) { | |
| 708 mo += 'vmir'; | |
| 709 } | |
| 710 birdSettings.mo = mo; | |
| 711 } | |
| 743 | 712 var params = getParamString(birdSettings, |
| 713 settings.birdDivParams.concat(moreParams), defaults); | |
| 714 } | |
| 715 var url = settings.scalerBaseUrl + '?' + params; | |
| 741 | 716 return url; |
| 717 }; | |
|
745
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move birdview zoom indicator along with zoom drag
hertzhaft
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diff
changeset
|
718 |
| 636 | 719 // returns URL and query string for current digilib |
|
644
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robcast
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|
720 var getDigilibUrl = function (data) { |
| 643 | 721 packParams(data); |
| 636 | 722 var settings = data.settings; |
|
644
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robcast
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diff
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|
723 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 744 | 724 return settings.digilibBaseUrl + '?' + queryString; |
| 636 | 725 }; |
| 726 | |
| 767 | 727 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 728 var loadImageInfo = function (data, complete) { | |
|
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|
729 var settings = data.settings; |
|
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|
730 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
|
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|
731 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
|
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732 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 767 | 733 // TODO: better error handling |
|
754
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changeset
|
734 jQuery.getJSON(url, function (json) { |
|
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diff
changeset
|
735 console.debug("got json data=", json); |
|
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
736 data.imgInfo = json; |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
737 if (complete != null) { |
|
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diff
changeset
|
738 complete.call(this, data, json); |
|
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|
739 } |
|
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diff
changeset
|
740 }); |
|
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diff
changeset
|
741 }; |
| 775 | 742 |
| 655 | 743 // processes some parameters into objects and stuff |
| 631 | 744 var unpackParams = function (data) { |
| 745 var settings = data.settings; | |
| 636 | 746 // zoom area |
| 631 | 747 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 748 data.zoomArea = zoomArea; |
| 636 | 749 // marks |
| 631 | 750 var marks = []; |
| 650 | 751 if (settings.mk) { |
| 752 var mk = settings.mk; | |
| 753 if (mk.indexOf(";") >= 0) { | |
| 754 var pa = mk.split(";"); // old format with ";" | |
| 755 } else { | |
| 756 var pa = mk.split(","); // new format | |
|
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|
757 } |
| 650 | 758 for (var i = 0; i < pa.length ; i++) { |
| 759 var pos = pa[i].split("/"); | |
| 760 if (pos.length > 1) { | |
| 761 marks.push(geom.position(pos[0], pos[1])); | |
|
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|
762 } |
|
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|
763 } |
|
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diff
changeset
|
764 } |
| 643 | 765 data.marks = marks; |
| 650 | 766 // mo (Scaler flags) |
| 767 var flags = {}; | |
| 768 if (settings.mo) { | |
| 769 var pa = settings.mo.split(","); | |
| 770 for (var i = 0; i < pa.length ; i++) { | |
| 771 flags[pa[i]] = pa[i]; | |
|
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|
772 } |
|
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diff
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|
773 } |
| 650 | 774 data.scalerFlags = flags; |
|
763
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diff
changeset
|
775 data.scaleMode = getScaleMode(data); |
| 723 | 776 retrieveOptions(data); |
| 655 | 777 }; |
| 778 | |
| 631 | 779 // put objects back into parameters |
| 780 var packParams = function (data) { | |
| 781 var settings = data.settings; | |
| 636 | 782 // zoom area |
| 643 | 783 if (data.zoomArea) { |
| 647 | 784 settings.wx = cropFloat(data.zoomArea.x); |
| 785 settings.wy = cropFloat(data.zoomArea.y); | |
| 786 settings.ww = cropFloat(data.zoomArea.width); | |
| 787 settings.wh = cropFloat(data.zoomArea.height); | |
|
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|
788 } |
| 636 | 789 // marks |
| 643 | 790 if (data.marks) { |
| 650 | 791 settings.mk = ''; |
| 643 | 792 for (var i = 0; i < data.marks.length; i++) { |
| 650 | 793 if (i) { |
| 794 settings.mk += ','; | |
|
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|
795 } |
|
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|
796 settings.mk += cropFloat(data.marks[i].x).toString() + |
|
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797 '/' + cropFloat(data.marks[i].y).toString(); |
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798 } |
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799 } |
| 650 | 800 // Scaler flags |
| 801 if (data.scalerFlags) { | |
| 802 var mo = ''; | |
| 803 for (var f in data.scalerFlags) { | |
| 804 if (mo) { | |
| 805 mo += ','; | |
| 806 } | |
| 807 mo += f; | |
| 808 } | |
| 809 settings.mo = mo; | |
| 810 } | |
| 710 | 811 // user interface options |
| 723 | 812 storeOptions(data); |
| 709 | 813 }; |
| 688 | 814 |
| 723 | 815 var storeOptions = function (data) { |
| 701 | 816 // save digilib options in cookie |
| 709 | 817 var settings = data.settings; |
| 818 if (data.dlOpts) { | |
| 819 // save digilib settings in options | |
| 820 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 821 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 822 var clop = ''; | |
| 823 for (var o in data.dlOpts) { | |
| 824 if (clop) { | |
| 825 clop += '&'; | |
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826 } |
| 709 | 827 clop += o + '=' + data.dlOpts[o]; |
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828 } |
| 709 | 829 if (jQuery.cookie) { |
| 830 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 831 console.debug("set cookie=", ck, " value=", clop); | |
| 832 jQuery.cookie(ck, clop); | |
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833 } |
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834 } |
| 727 | 835 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
| 836 // store normal parameters in cookie for embedded mode | |
| 837 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 838 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 839 console.debug("set cookie=", ck, " value=", qs); | |
| 840 jQuery.cookie(ck, qs); | |
| 841 } | |
| 631 | 842 }; |
| 655 | 843 |
| 723 | 844 var retrieveOptions = function (data) { |
| 709 | 845 // clop (digilib options) |
| 846 var opts = {}; | |
| 847 var settings = data.settings; | |
| 848 if (jQuery.cookie) { | |
| 849 // read from cookie | |
| 850 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 851 var cp = jQuery.cookie(ck); | |
| 852 console.debug("get cookie=", ck, " value=", cp); | |
| 853 // in query string format | |
| 854 opts = parseQueryString(cp); | |
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855 } |
| 709 | 856 data.dlOpts = opts; |
| 857 // birdview option | |
| 858 if (opts.birdview != null) { | |
| 859 settings.isBirdDivVisible = opts.birdview === '1'; | |
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860 } |
| 709 | 861 // visible button sets |
| 862 if (opts.buttons != null) { | |
| 863 settings.visibleButtonSets = opts.buttons; | |
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864 } |
| 711 | 865 }; |
| 709 | 866 |
| 622 | 867 // (re)load the img from a new scaler URL |
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868 var redisplay = function (data) { |
| 636 | 869 var settings = data.settings; |
| 870 if (settings.interactionMode === 'fullscreen') { | |
| 871 // update location.href (browser URL) in fullscreen mode | |
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872 var url = getDigilibUrl(data); |
| 636 | 873 var history = window.history; |
| 874 if (typeof(history.pushState) === 'function') { | |
| 875 console.debug("we could modify history, but we don't..."); | |
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876 } |
| 636 | 877 window.location = url; |
| 878 } else { | |
| 879 // embedded mode -- just change img src | |
| 880 var url = getScalerUrl(data); | |
| 881 data.$img.attr('src', url); | |
| 726 | 882 // redisplay bird img |
| 883 updateBirdDiv(data); | |
| 765 | 884 highlightButtons(data); |
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885 } |
| 622 | 886 }; |
| 887 | |
| 767 | 888 // update display (overlays etc.) |
| 889 var updateDisplay = function (data) { | |
| 890 updateImgTrafo(data); | |
| 891 renderMarks(data); | |
| 892 setupZoomDrag(data); | |
| 893 if (data.settings.isBirdDivVisible) { | |
| 894 renderBirdArea(data); | |
| 895 setupBirdDrag(data); | |
| 896 } | |
| 897 // TODO: update event subscriber? | |
| 898 }; | |
| 775 | 899 |
| 662 | 900 // returns maximum size for scaler img in fullscreen mode |
| 767 | 901 var getFullscreenImgSize = function ($elem) { |
| 662 | 902 var $win = $(window); |
| 903 var winH = $win.height(); | |
| 904 var winW = $win.width(); | |
| 905 // TODO: account for borders? | |
| 906 return geom.size(winW, winH); | |
| 907 }; | |
| 908 | |
| 608 | 909 // creates HTML structure for digilib in elem |
| 627 | 910 var setupScalerDiv = function (data) { |
| 911 var settings = data.settings; | |
| 647 | 912 var $elem = data.$elem; |
| 725 | 913 $elem.addClass('digilib'); |
| 728 | 914 var $img; |
| 915 var scalerUrl; | |
| 608 | 916 if (settings.interactionMode === 'fullscreen') { |
| 728 | 917 // fullscreen |
| 725 | 918 $elem.addClass('dl_fullscreen'); |
| 609 | 919 var imgSize = getFullscreenImgSize($elem); |
| 650 | 920 // fitwidth/height omits destination height/width |
| 728 | 921 if (data.dlOpts.fitheight == null) { |
| 650 | 922 settings.dw = imgSize.width; |
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923 } |
| 728 | 924 if (data.dlOpts.fitwidth == null) { |
| 650 | 925 settings.dh = imgSize.height; |
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926 } |
| 686 | 927 scalerUrl = getScalerUrl(data); |
| 728 | 928 $img = $('<img/>'); |
| 609 | 929 } else { |
| 728 | 930 // embedded mode -- try to keep img tag |
| 725 | 931 $elem.addClass('dl_embedded'); |
| 728 | 932 scalerUrl = getScalerUrl(data); |
| 623 | 933 $img = $elem.find('img'); |
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934 if ($img.length > 0) { |
| 728 | 935 oldUrl = $img.attr('src'); |
| 936 if (oldUrl === scalerUrl) { | |
| 937 console.debug("img detach:", $img); | |
| 938 $img.detach(); | |
| 939 } else { | |
| 940 $img = $('<img/>'); | |
| 941 } | |
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942 } else { |
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943 $img = $('<img/>'); |
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944 } |
| 608 | 945 } |
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946 // create new html |
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947 $elem.empty(); // TODO: should we keep stuff for customization? |
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948 var $scaler = $('<div class="scaler"/>'); |
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949 $elem.append($scaler); |
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950 $scaler.append($img); |
| 622 | 951 $img.addClass('pic'); |
| 649 | 952 data.$scaler = $scaler; |
| 636 | 953 data.$img = $img; |
| 687 | 954 // setup image load handler before setting the src attribute (IE bug) |
| 955 $img.load(scalerImgLoadedHandler(data)); | |
| 767 | 956 $img.error(function () {console.error("error loading scaler image");}); |
| 687 | 957 $img.attr('src', scalerUrl); |
| 608 | 958 }; |
| 615 | 959 |
| 610 | 960 // creates HTML structure for buttons in elem |
| 697 | 961 var createButtons = function (data, buttonSetIdx) { |
| 647 | 962 var $elem = data.$elem; |
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963 var settings = data.settings; |
| 665 | 964 var mode = settings.interactionMode; |
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965 var buttonSettings = settings.buttonSettings[mode]; |
| 682 | 966 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 690 | 967 if (buttonGroup == null) { |
| 968 // no buttons here | |
| 969 return; | |
| 970 } | |
| 971 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 682 | 972 var buttonNames = buttonSettings[buttonGroup]; |
| 973 for (var i = 0; i < buttonNames.length; i++) { | |
| 974 var buttonName = buttonNames[i]; | |
| 975 var buttonConfig = settings.buttons[buttonName]; | |
| 665 | 976 // construct the button html |
| 977 var $button = $('<div class="button"></div>'); | |
| 978 var $a = $('<a/>'); | |
| 979 var $img = $('<img class="button"/>'); | |
| 980 $buttonsDiv.append($button); | |
| 981 $button.append($a); | |
| 982 $a.append($img); | |
| 983 // add attributes and bindings | |
| 984 $button.attr('title', buttonConfig.tooltip); | |
| 682 | 985 $button.addClass('button-' + buttonName); |
| 665 | 986 // create handler for the buttons |
| 987 $a.bind('click.digilib', (function () { | |
| 988 // we create a new closure to capture the value of action | |
| 989 var action = buttonConfig.onclick; | |
| 990 if ($.isArray(action)) { | |
| 991 // the handler function calls digilib with action and parameters | |
| 992 return function (evt) { | |
| 993 console.debug('click action=', action, ' evt=', evt); | |
| 994 $elem.digilib.apply($elem, action); | |
| 995 return false; | |
| 996 }; | |
| 997 } else { | |
| 998 // the handler function calls digilib with action | |
| 999 return function (evt) { | |
| 1000 console.debug('click action=', action, ' evt=', evt); | |
| 1001 $elem.digilib(action); | |
| 1002 return false; | |
| 1003 }; | |
| 1004 } | |
| 1005 })()); | |
| 765 | 1006 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 690 | 1007 } |
| 662 | 1008 // make buttons div scroll if too large for window |
| 1009 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1010 $buttonsDiv.css('position', 'absolute'); | |
| 1011 } | |
| 697 | 1012 // buttons hidden at first |
| 1013 $buttonsDiv.hide(); | |
| 1014 $elem.append($buttonsDiv); | |
| 682 | 1015 if (data.$buttonSets == null) { |
| 697 | 1016 // first button set |
| 682 | 1017 data.$buttonSets = [$buttonsDiv]; |
| 1018 } else { | |
| 690 | 1019 $elem.append($buttonsDiv); |
| 682 | 1020 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1021 } | |
| 612 | 1022 return $buttonsDiv; |
| 610 | 1023 }; |
| 615 | 1024 |
| 1025 // creates HTML structure for the bird's eye view in elem | |
| 638 | 1026 var setupBirdDiv = function (data) { |
| 647 | 1027 var $elem = data.$elem; |
| 615 | 1028 // the bird's eye div |
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1029 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 615 | 1030 // the detail indicator frame |
| 726 | 1031 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 615 | 1032 // the small image |
| 1033 var $birdImg = $('<img class="birdimg"/>'); | |
| 723 | 1034 data.$birdDiv = $birdDiv; |
| 1035 data.$birdZoom = $birdZoom; | |
| 1036 data.$birdImg = $birdImg; | |
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1037 $elem.append($birdDiv); |
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1038 $birdDiv.append($birdZoom); |
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1039 $birdDiv.append($birdImg); |
| 775 | 1040 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 723 | 1041 var birdUrl = getBirdImgUrl(data); |
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1042 $birdImg.load(birdImgLoadedHandler(data)); |
| 767 | 1043 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 723 | 1044 $birdImg.attr('src', birdUrl); |
| 1045 }; | |
| 1046 | |
| 1047 // update bird's eye view | |
| 1048 var updateBirdDiv = function (data) { | |
| 1049 if (!data.settings.isBirdDivVisible) return; | |
| 1050 var $birdImg = data.$birdImg; | |
| 1051 var oldsrc = $birdImg.attr('src'); | |
| 1052 var newsrc = getBirdImgUrl(data); | |
| 1053 if (oldsrc !== newsrc) { | |
| 1054 $birdImg.attr('src', newsrc); | |
| 1055 // onload handler re-renders | |
| 1056 } else { | |
| 1057 // re-render | |
| 1058 renderBirdArea(data); | |
| 730 | 1059 // enable click and drag |
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1060 setupBirdDrag(data); |
| 723 | 1061 } |
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1062 }; |
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1063 |
| 625 | 1064 // creates HTML structure for the about view in elem |
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1065 var setupAboutDiv = function (data) { |
| 647 | 1066 var $elem = data.$elem; |
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1067 var settings = data.settings; |
| 625 | 1068 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 616 | 1069 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1070 var $link = $('<a/>'); | |
| 1071 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1072 var $content = $('<p/>'); | |
| 1073 $elem.append($aboutDiv); | |
| 1074 $aboutDiv.append($header); | |
| 1075 $aboutDiv.append($link); | |
| 1076 $aboutDiv.append($content); | |
| 1077 $link.append($logo); | |
| 1078 $logo.attr('src', settings.logoUrl); | |
| 635 | 1079 $link.attr('href', settings.homeUrl); |
| 616 | 1080 $content.text('Version: ' + settings.version); |
| 775 | 1081 data.$aboutDiv = $aboutDiv; |
| 635 | 1082 // click hides |
| 775 | 1083 $aboutDiv.bind('click.digilib', function () { |
| 1084 actions['showAboutDiv'](data, false); | |
| 710 | 1085 }); |
| 634 | 1086 }; |
| 1087 | |
| 635 | 1088 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1089 var showDiv = function (isVisible, $div, show) { | |
| 645 | 1090 if (show == null) { |
| 635 | 1091 // toggle visibility |
| 1092 isVisible = !isVisible; | |
| 1093 } else { | |
| 1094 // set visibility | |
| 1095 isVisible = show; | |
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1096 } |
| 635 | 1097 if (isVisible) { |
| 1098 $div.fadeIn(); | |
| 1099 } else { | |
| 1100 $div.fadeOut(); | |
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1101 } |
| 635 | 1102 return isVisible; |
| 634 | 1103 }; |
| 616 | 1104 |
| 697 | 1105 // display more (or less) button sets |
| 1106 var showButtons = function (data, more, setIdx, animated) { | |
| 711 | 1107 var atime = animated ? 'fast': 0; |
| 697 | 1108 if (more) { |
| 1109 // add set | |
| 1110 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1111 var $set; | |
| 1112 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1113 // set exists | |
| 1114 $set = data.$buttonSets[setIdx]; | |
| 1115 } else { | |
| 1116 $set = createButtons(data, setIdx); | |
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1117 } |
| 697 | 1118 if ($set == null) return false; |
| 765 | 1119 // include border in calculation |
| 1120 var btnWidth = $set.outerWidth(); | |
| 697 | 1121 // move remaining sets left and show new set |
| 711 | 1122 if ($otherSets.length > 0) { |
| 1123 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1124 function () {$set.show();}); | |
| 697 | 1125 } else { |
| 1126 $set.show(); | |
| 711 | 1127 } |
| 697 | 1128 } else { |
| 1129 // remove set | |
| 1130 var $set = data.$buttonSets[setIdx]; | |
| 1131 if ($set == null) return false; | |
| 1132 var btnWidth = $set.width(); | |
| 1133 // hide last set | |
| 1134 $set.hide(); | |
| 1135 // take remaining sets and move right | |
| 1136 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 711 | 1137 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1138 } | |
| 697 | 1139 return true; |
| 1140 }; | |
| 1141 | |
| 765 | 1142 // check for buttons to highlight |
| 1143 var highlightButtons = function (data, name, on) { | |
| 1144 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1145 // add a class for highlighted button | |
| 1146 var highlight = function (name, on) { | |
| 1147 var $button = $buttons.find('div.button-' + name); | |
| 1148 if (on) { | |
| 1149 $button.addClass('button-on'); | |
| 1150 } else { | |
| 1151 $button.removeClass('button-on'); | |
| 1152 } | |
| 1153 }; | |
| 1154 if (name != null) { | |
| 1155 return highlight(name, on); | |
| 1156 } | |
| 1157 var flags = data.scalerFlags; | |
| 1158 var settings = data.settings; | |
| 1159 highlight('rot', settings.rot); | |
| 1160 highlight('brgt', settings.brgt); | |
| 1161 highlight('cont', settings.cont); | |
| 1162 highlight('bird', settings.isBirdDivVisible); | |
| 1163 highlight('help', settings.isAboutDivVisible); | |
| 1164 highlight('hmir', flags.hmir); | |
| 1165 highlight('vmir', flags.vmir); | |
| 766 | 1166 highlight('quality', flags.q1 || flags.q2); |
| 765 | 1167 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1168 }; | |
| 775 | 1169 |
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1170 // create Transform from area and $img |
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1171 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, imgInfo) { |
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1172 var picrect = geom.rectangle($img); |
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1173 if (mode != null) { |
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1174 if (mode === 'pixel') { |
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1175 // scaler mo=clip - image area size does not come from ww, wh |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1176 if (imgInfo != null) { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1177 area.width = picrect.width / imgInfo.width; |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1178 area.height = picrect.height / imgInfo.height; |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1179 } else { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1180 console.error("No image info for pixel mode!"); |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1181 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1182 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1183 } |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1184 var trafo = geom.transform(); |
| 675 | 1185 // move zoom area offset to center |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1186 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1187 // scale zoom area size to [1,1] |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1188 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1189 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1190 if (rot || hmir || vmir) { | |
| 1191 // move [0.5,0.5] to center | |
| 1192 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1193 if (hmir) { | |
| 1194 // mirror about center | |
| 1195 trafo.concat(trafo.getMirror('y')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1196 } |
| 675 | 1197 if (vmir) { |
| 1198 // mirror about center | |
| 1199 trafo.concat(trafo.getMirror('x')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1200 } |
| 675 | 1201 if (rot) { |
| 1202 // rotate around center | |
| 1203 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1204 } |
| 675 | 1205 // move back |
| 1206 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1207 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1208 // scale to screen position and size |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1209 trafo.concat(trafo.getScale(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1210 trafo.concat(trafo.getTranslation(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1211 return trafo; |
| 655 | 1212 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1213 |
| 767 | 1214 // update scaler image transform |
| 1215 var updateImgTrafo = function (data) { | |
| 1216 var $img = data.$img; | |
| 1217 if ($img != null && $img.get(0).complete) { | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1218 // create Transform from current zoomArea and image size |
| 675 | 1219 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1220 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1221 data.scaleMode, data.imgInfo); |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1222 // console.debug("imgTrafo=", data.imgTrafo); |
| 767 | 1223 } |
| 1224 }; | |
| 775 | 1225 |
| 767 | 1226 // returns function for load event of scaler img |
| 1227 var scalerImgLoadedHandler = function (data) { | |
| 1228 return function () { | |
| 1229 var $img = $(this); | |
| 1230 console.debug("scaler img loaded=",$img); | |
| 1231 var $scaler = data.$scaler; | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1232 var imgRect = geom.rectangle($img); |
| 733 | 1233 // adjust scaler div size |
| 738 | 1234 imgRect.adjustDiv($scaler); |
| 715 | 1235 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1236 $img.css('visibility', 'visible'); |
| 741 | 1237 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1238 // update display (render marks, etc.) |
| 1239 updateDisplay(data); | |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1240 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1241 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1242 |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1243 // returns function for load event of bird's eye view img |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1244 var birdImgLoadedHandler = function (data) { |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1245 return function () { |
| 755 | 1246 var $birdImg = $(this); |
| 1247 var birdRect = geom.rectangle($birdImg); | |
| 1248 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1249 if (birdRect.width === 0) { | |
| 1250 // malheureusement IE7 calls load handler when there is no size info yet | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1251 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 755 | 1252 } |
| 767 | 1253 // update display (zoom area indicator) |
| 1254 updateDisplay(data); | |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1255 }; |
|
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1256 }; |
| 633 | 1257 |
| 1258 // place marks on the image | |
| 1259 var renderMarks = function (data) { | |
| 767 | 1260 if (data.$img == null || data.imgTrafo == null) return; |
| 1261 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 647 | 1262 var $elem = data.$elem; |
| 643 | 1263 var marks = data.marks; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1264 // clear marks |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1265 $elem.find('div.mark').remove(); |
| 633 | 1266 for (var i = 0; i < marks.length; i++) { |
| 1267 var mark = marks[i]; | |
| 643 | 1268 if (data.zoomArea.containsPosition(mark)) { |
| 633 | 1269 var mpos = data.imgTrafo.transform(mark); |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1270 console.debug("renderMarks: mpos=",mpos); |
| 633 | 1271 // create mark |
| 1272 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1273 var $mark = $(html); | |
| 1274 $elem.append($mark); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1275 mpos.adjustDiv($mark); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1276 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1277 } |
| 633 | 1278 }; |
| 655 | 1279 |
|
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1280 // show zoom area indicator on bird's eye view |
| 723 | 1281 var renderBirdArea = function (data) { |
| 767 | 1282 if (data.$birdImg == null) return; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1283 var $birdZoom = data.$birdZoom; |
| 659 | 1284 var zoomArea = data.zoomArea; |
| 723 | 1285 var normalSize = isFullArea(zoomArea); |
| 1286 if (normalSize) { | |
| 1287 $birdZoom.hide(); | |
| 1288 return; | |
| 1289 } else { | |
| 1290 $birdZoom.show(); | |
| 1291 } | |
| 755 | 1292 // create Transform from current area and picsize |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1293 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 738 | 1294 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 755 | 1295 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 741 | 1296 // acount for border width |
| 775 | 1297 var bw = getBorderWidth($birdZoom); |
| 1298 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1299 if (data.settings.interactionMode === 'fullscreen') { |
|
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1300 // no animation for fullscreen |
| 738 | 1301 zoomRect.adjustDiv($birdZoom); |
| 723 | 1302 } else { |
| 1303 // nice animation for embedded mode :-) | |
| 741 | 1304 // correct offsetParent because animate doesn't use offset |
| 726 | 1305 var ppos = $birdZoom.offsetParent().offset(); |
| 738 | 1306 var dest = { |
| 755 | 1307 left : (zoomRect.x - ppos.left) + 'px', |
| 1308 top : (zoomRect.y - ppos.top) + 'px', | |
| 1309 width : zoomRect.width, | |
| 1310 height : zoomRect.height | |
| 1311 }; | |
| 738 | 1312 $birdZoom.animate(dest); |
| 723 | 1313 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1314 }; |
| 659 | 1315 |
| 647 | 1316 // zooms by the given factor |
| 643 | 1317 var zoomBy = function(data, factor) { |
| 1318 var area = data.zoomArea; | |
| 1319 var newarea = area.copy(); | |
| 1320 // scale | |
| 1321 newarea.width /= factor; | |
| 1322 newarea.height /= factor; | |
| 1323 // and recenter | |
| 1324 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1325 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1326 newarea = FULL_AREA.fit(newarea); |
| 643 | 1327 data.zoomArea = newarea; |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1328 redisplay(data); |
| 643 | 1329 }; |
| 1330 | |
| 647 | 1331 // add a mark where clicked |
| 1332 var setMark = function (data) { | |
| 649 | 1333 var $scaler = data.$scaler; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1334 // unbind other handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1335 $scaler.unbind(".dlZoomDrag"); |
| 647 | 1336 // start event capturing |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1337 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 647 | 1338 // event handler adding a new mark |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1339 console.log("setmark at=", evt); |
|
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1340 var mpos = geom.position(evt); |
| 647 | 1341 var pos = data.imgTrafo.invtransform(mpos); |
| 1342 data.marks.push(pos); | |
| 1343 redisplay(data); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1344 return false; |
| 647 | 1345 }); |
| 1346 }; | |
| 668 | 1347 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1348 // zoom to the area around two clicked points |
| 654 | 1349 var zoomArea = function(data) { |
| 1350 $elem = data.$elem; | |
| 1351 $scaler = data.$scaler; | |
| 1352 var pt1, pt2; | |
| 1353 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1354 $elem.append($zoomDiv); | |
| 775 | 1355 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 654 | 1356 var picRect = geom.rectangle($scaler); |
| 1357 // FIX ME: is there a way to query the border width from CSS info? | |
| 1358 // rect.x -= 2; // account for overlay borders | |
| 1359 // rect.y -= 2; | |
| 1360 | |
| 1361 var zoomStart = function (evt) { | |
| 1362 pt1 = geom.position(evt); | |
| 1363 // setup and show zoom div | |
| 738 | 1364 pt1.adjustDiv($zoomDiv); |
| 668 | 1365 $zoomDiv.width(0).height(0); |
| 654 | 1366 $zoomDiv.show(); |
| 1367 // register events | |
| 738 | 1368 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1369 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1370 return false; |
| 1371 }; | |
| 668 | 1372 |
| 741 | 1373 // mouse move handler |
| 1374 var zoomMove = function (evt) { | |
| 1375 pt2 = geom.position(evt); | |
| 1376 var rect = geom.rectangle(pt1, pt2); | |
| 1377 rect.clipTo(picRect); | |
| 1378 // update zoom div | |
| 1379 rect.adjustDiv($zoomDiv); | |
| 1380 return false; | |
| 1381 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1382 |
| 654 | 1383 // mouseup handler: end moving |
| 1384 var zoomEnd = function (evt) { | |
| 1385 pt2 = geom.position(evt); | |
| 1386 // assume a click and continue if the area is too small | |
| 1387 var clickRect = geom.rectangle(pt1, pt2); | |
| 710 | 1388 if (clickRect.getArea() <= 5) return false; |
| 654 | 1389 // hide zoom div |
| 1390 $zoomDiv.remove(); | |
| 1391 // unregister events | |
| 738 | 1392 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1393 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1394 // clip and transform |
| 1395 clickRect.clipTo(picRect); | |
| 1396 var area = data.imgTrafo.invtransform(clickRect); | |
| 1397 data.zoomArea = area; | |
| 1398 // zoomed is always fit | |
| 1399 data.settings.ws = 1; | |
| 738 | 1400 delete data.dlOpts.fitwidth; |
| 1401 delete data.dlOpts.fitheight; | |
| 654 | 1402 redisplay(data); |
| 1403 return false; | |
| 1404 }; | |
| 668 | 1405 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1406 // clear old handler (also ZoomDrag) |
| 738 | 1407 $scaler.unbind('.dlZoomArea'); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1408 $scaler.unbind(".dlZoomDrag"); |
| 738 | 1409 $elem.unbind('.dlZoomArea'); |
| 654 | 1410 // bind start zoom handler |
| 738 | 1411 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 654 | 1412 }; |
| 647 | 1413 |
| 723 | 1414 // bird's eye view zoom area click and drag handler |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1415 var setupBirdDrag = function(data) { |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1416 var $birdImg = data.$birdImg; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1417 var $birdZoom = data.$birdZoom; |
| 730 | 1418 var $document = $(document); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1419 var $scaler = data.$scaler; |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1420 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 775 | 1421 var bw = getBorderWidth($birdZoom); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1422 |
| 741 | 1423 // mousedown handler: start dragging bird zoom to a new position |
| 1424 var birdZoomStartDrag = function(evt) { | |
| 1425 startPos = geom.position(evt); | |
| 1426 // position may have changed | |
| 1427 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1428 birdImgRect = geom.rectangle($birdImg); | |
| 1429 birdZoomRect = geom.rectangle($birdZoom); | |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1430 scalerPos = geom.position($scaler); |
| 741 | 1431 newRect = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1432 fullRect = setZoomBG(data); // setup zoom background image |
| 741 | 1433 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1434 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1435 return false; | |
| 1436 }; | |
| 1437 | |
| 733 | 1438 // mousemove handler: drag |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1439 var birdZoomMove = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1440 var pos = geom.position(evt); |
| 730 | 1441 var delta = startPos.delta(pos); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1442 // move birdZoom div, keeping size |
| 730 | 1443 newRect = birdZoomRect.copy(); |
| 733 | 1444 newRect.addPosition(delta); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1445 newRect.stayInside(birdImgRect); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1446 // reflect birdview zoom position in scaler image |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1447 var area = data.birdTrafo.invtransform(newRect); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1448 var imgArea = data.imgTrafo.transform(area); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1449 var offset = imgArea.getPosition().neg(); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1450 offset.add(scalerPos); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1451 if (fullRect) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1452 var bgPos = fullRect.getPosition().add(offset); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1453 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1454 var bgPos = offset; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1455 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1456 // move the background image to the new position |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1457 data.$scaler.css({ |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1458 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1459 }); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1460 // acount for border width |
| 775 | 1461 newRect.addPosition({x : -bw, y : -bw}); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1462 newRect.adjustDiv($birdZoom); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1463 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1464 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1465 |
| 733 | 1466 // mouseup handler: reload page |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1467 var birdZoomEndDrag = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1468 var settings = data.settings; |
| 730 | 1469 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1470 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1471 if (newRect == null) { | |
| 1472 // no movement happened - set center to click position | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1473 startPos = birdZoomRect.getCenter(); |
| 730 | 1474 birdZoomMove(evt); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1475 } |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1476 // ugly, but needed to prevent double border width compensation |
| 775 | 1477 newRect.addPosition({x : bw, y : bw}); |
| 730 | 1478 var newArea = data.birdTrafo.invtransform(newRect); |
| 1479 data.zoomArea = newArea; | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1480 redisplay(data); |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1481 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1482 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1483 |
| 730 | 1484 // clear old handler |
| 1485 $document.unbind(".dlBirdMove"); | |
| 1486 $birdImg.unbind(".dlBirdMove"); | |
| 1487 $birdZoom.unbind(".dlBirdMove"); | |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1488 if (! isFullArea(data.zoomArea)) { |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1489 // set new handler |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1490 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1491 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1492 } |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1493 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1494 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1495 // move bird zoom indicator to reflect zoomed detail area |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1496 var setBirdZoom = function(data, rect) { |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1497 var part = data.imgTrafo.invtransform(rect); |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1498 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1499 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1500 var birdRect = birdTrafo.transform(part); |
| 775 | 1501 var $birdZoom = data.$birdZoom; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1502 // acount for border width |
| 775 | 1503 var bw = getBorderWidth($birdZoom); |
| 1504 birdRect.addPosition({x : -bw, y : -bw}); | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1505 birdRect.adjustDiv(data.$birdZoom); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1506 }; |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1507 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1508 // set zoom background |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1509 var setZoomBG = function(data) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1510 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1511 var $img = data.$img; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1512 var fullRect = null; |
| 767 | 1513 // hide marks |
| 1514 data.$elem.find('div.mark').hide(); | |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1515 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1516 $img.css('visibility', 'hidden'); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1517 var scalerCss = { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1518 'background-image' : 'url(' + $img.attr('src') + ')', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1519 'background-repeat' : 'no-repeat', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1520 'background-position' : 'left top', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1521 'opacity' : '0.5', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1522 'cursor' : 'move' |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1523 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1524 if (data.hasBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1525 // full-size background using CSS3-background-size |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1526 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1527 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1528 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1529 var scalerPos = geom.position($scaler); |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1530 fullRect.addPosition(scalerPos.neg()); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1531 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1532 scalerCss['background-image'] = 'url(' + url + ')'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1533 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1534 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1535 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1536 // too big |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1537 fullRect = null; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1538 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1539 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1540 $scaler.css(scalerCss); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1541 // isBgReady = true; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1542 return fullRect; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1543 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1544 |
| 738 | 1545 // setup handlers for dragging the zoomed image |
| 705 | 1546 var setupZoomDrag = function(data) { |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1547 var startPos, delta, fullRect; |
| 733 | 1548 var $document = $(document); |
| 705 | 1549 var $elem = data.$elem; |
| 1550 var $scaler = data.$scaler; | |
| 1551 var $img = data.$img; | |
| 710 | 1552 |
| 733 | 1553 // drag the image and load a new detail on mouse up |
| 705 | 1554 var dragStart = function (evt) { |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1555 console.debug("dragstart at=",evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1556 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1557 if (isFullArea(data.zoomArea)) return false; |
| 733 | 1558 startPos = geom.position(evt); |
| 741 | 1559 delta = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1560 // set low res background immediately on mousedown |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1561 fullRect = setZoomBG(data); |
| 733 | 1562 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1563 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1564 return false; |
| 705 | 1565 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1566 |
| 733 | 1567 // mousemove handler: drag zoomed image |
| 705 | 1568 var dragMove = function (evt) { |
| 1569 var pos = geom.position(evt); | |
| 741 | 1570 delta = startPos.delta(pos); |
| 1571 if (fullRect) { | |
| 1572 var bgPos = fullRect.getPosition().add(delta); | |
| 1573 } else { | |
| 1574 var bgPos = delta; | |
| 1575 } | |
| 705 | 1576 // move the background image to the new position |
| 715 | 1577 $scaler.css({ |
| 741 | 1578 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 705 | 1579 }); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1580 // set birdview indicator to reflect new zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1581 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1582 za.addPosition(delta.neg()); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1583 setBirdZoom(data, za); |
| 705 | 1584 return false; |
| 1585 }; | |
| 710 | 1586 |
| 733 | 1587 // mouseup handler: reload zoomed image in new position |
| 705 | 1588 var dragEnd = function (evt) { |
| 739 | 1589 $scaler.css('cursor', 'auto'); |
| 733 | 1590 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1591 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1592 if (delta == null || delta.distance() < 2) { | |
| 1593 // no movement | |
| 1594 $img.css('visibility', 'visible'); | |
| 741 | 1595 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1596 // unhide marks |
| 1597 data.$elem.find('div.mark').show(); | |
| 733 | 1598 return false; |
| 1599 } | |
| 1600 // get old zoom area (screen coordinates) | |
| 741 | 1601 var za = geom.rectangle($img); |
| 733 | 1602 // move |
| 741 | 1603 za.addPosition(delta.neg()); |
| 733 | 1604 // transform back |
| 1605 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1606 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1607 redisplay(data); |
| 705 | 1608 return false; |
| 1609 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1610 |
| 733 | 1611 // clear old handler |
| 1612 $document.unbind(".dlZoomDrag"); | |
| 741 | 1613 $scaler.unbind(".dlZoomDrag"); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1614 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1615 // set handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1616 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1617 } |
| 705 | 1618 }; |
| 1619 | |
| 703 | 1620 // get image quality as a number (0..2) |
| 1621 var getQuality = function (data) { | |
| 1622 var flags = data.scalerFlags; | |
| 1623 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1624 return parseInt(q[1], 10); | |
| 706 | 1625 }; |
| 703 | 1626 |
| 1627 // set image quality as a number (0..2) | |
| 1628 var setQuality = function (data, qual) { | |
| 1629 var flags = data.scalerFlags; | |
| 1630 // clear flags | |
| 1631 for (var i = 0; i < 3; ++i) { | |
| 1632 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1633 } |
| 703 | 1634 flags['q'+qual] = 'q'+qual; |
| 706 | 1635 }; |
| 710 | 1636 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1637 // get image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1638 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1639 if (data.scalerFlags.clip != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1640 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1641 } else if (data.scalerFlags.osize != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1642 return 'size'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1643 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1644 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1645 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1646 }; |
| 775 | 1647 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1648 // set image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
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diff
changeset
|
1649 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
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diff
changeset
|
1650 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
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diff
changeset
|
1651 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1652 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
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diff
changeset
|
1653 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1654 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1655 } else if (mode === 'size') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1656 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
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diff
changeset
|
1657 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1658 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1659 }; |
| 775 | 1660 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1661 // sets a key to a value (relative values with +/- if relative=true) |
| 650 | 1662 var setNumValue = function(settings, key, value) { |
| 716 | 1663 if (value == null) return null; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1664 if (isNumber(value)) { |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1665 settings[key] = value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1666 return value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
1667 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
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diff
changeset
|
1668 var sign = value[0]; |
| 650 | 1669 if (sign === '+' || sign === '-') { |
| 1670 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
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diff
changeset
|
1671 // this isn't perfect but still... |
| 650 | 1672 settings[key] = 0; |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
1673 } |
| 650 | 1674 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1675 } else { | |
| 1676 settings[key] = value; | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1677 } |
| 650 | 1678 return settings[key]; |
| 1679 }; | |
| 655 | 1680 |
| 775 | 1681 // auxiliary function, assuming equal border width on all sides |
| 1682 var getBorderWidth = function($elem) { | |
| 1683 var border = $elem.outerWidth() - $elem.width(); | |
| 1684 return border/2; | |
| 1685 }; | |
| 1686 | |
| 655 | 1687 // auxiliary function (from old dllib.js) |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1688 var isFullArea = function(area) { |
| 659 | 1689 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1690 }; |
| 1691 | |
| 641 | 1692 // auxiliary function (from Douglas Crockford, A.10) |
| 1693 var isNumber = function isNumber(value) { | |
| 710 | 1694 return typeof value === 'number' && isFinite(value); |
| 641 | 1695 }; |
| 655 | 1696 |
| 631 | 1697 // auxiliary function to crop senseless precision |
| 1698 var cropFloat = function (x) { | |
| 637 | 1699 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1700 }; |
| 655 | 1701 |
| 692 | 1702 // fallback for console.log calls |
| 1703 if (customConsole) { | |
| 1704 var logFunction = function(type) { | |
| 1705 return function(){ | |
| 1706 var $debug = $('#debug'); // debug div | |
| 1707 if (!$debug) return; | |
| 1708 var args = Array.prototype.slice.call(arguments); | |
| 1709 var argtext = args.join(' '); | |
| 1710 var $logDiv = $('<div/>'); | |
| 1711 $logDiv.addClass(type); | |
| 1712 $logDiv.text(argtext); | |
| 1713 $debug.append($logDiv); | |
| 1714 }; | |
| 1715 }; | |
| 1716 console.log = logFunction('_log'); | |
| 1717 console.debug = logFunction('_debug'); | |
| 1718 console.error = logFunction('_error'); | |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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diff
changeset
|
1719 } |
| 692 | 1720 |
| 605 | 1721 // hook plugin into jquery |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1722 $.fn.digilib = function(action, obj) { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
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diff
changeset
|
1723 // plugin extension mechanism |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
changeset
|
1724 if (action === 'extendPlugin') { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
changeset
|
1725 // for each digilib $elem extend data.settings with obj.options |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1726 if (obj.options) { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
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diff
changeset
|
1727 this.each(function() { |
|
f0be4432f515
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hertzhaft
parents:
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diff
changeset
|
1728 var $elem = $(this); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
changeset
|
1729 // console.debug('extending:', $elem); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
changeset
|
1730 var data = $elem.data('digilib'); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
changeset
|
1731 if (!data) { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
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diff
changeset
|
1732 return console.log('cannot extend digilib plugin, element not initialised!'); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1733 } |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
755
diff
changeset
|
1734 var settings = data.settings; |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1735 $.extend(settings, obj.options); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
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diff
changeset
|
1736 // console.log('settings:', settings); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
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diff
changeset
|
1737 }); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
755
diff
changeset
|
1738 } |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
changeset
|
1739 delete(obj.options); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1740 // extend the plugin actions (to make this useful, |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1741 // maybe we need to expose some more internal functions) |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1742 $.extend(actions, obj); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1743 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1744 // call action on this with the remaining arguments (inserting data as first argument) |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1745 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1746 var data = $elem.data('digilib'); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1747 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1748 args.unshift(data); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1749 return actions[action].apply(this, args); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1750 } else if (typeof(action) === 'object' || !action) { |
| 634 | 1751 // call init on this |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1752 return actions.init.apply(this, arguments); |
| 605 | 1753 } else { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1754 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1755 } |
| 605 | 1756 }; |
| 692 | 1757 |
| 604 | 1758 })(jQuery); |