Mercurial > hg > digilib
annotate client/src/main/webapp/jquery/jquery.digilib.js @ 892:ec077cb6a8dc mvnify
merge from jquery branch
| author | robcast |
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| date | Tue, 26 Apr 2011 10:44:10 +0200 |
| parents | client/digitallibrary/jquery/jquery.digilib.js@baf4b376fcf7 client/digitallibrary/jquery/jquery.digilib.js@7ffb45138f61 |
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1 /* Copyright (c) 2011 Martin Raspe, Robert Casties |
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2 |
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3 This program is free software: you can redistribute it and/or modify |
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4 it under the terms of the GNU Lesser General Public License as published by |
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5 the Free Software Foundation, either version 2 of the License, or |
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6 (at your option) any later version. |
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7 |
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8 This program is distributed in the hope that it will be useful, |
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9 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 GNU Lesser General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU Lesser General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 |
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16 Authors: |
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17 Martin Raspe, Robert Casties, 11.1.2011 |
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18 */ |
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19 |
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20 /** |
| 597 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
| 760 | 24 /*jslint browser: true, debug: true, forin: true |
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25 */ |
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26 |
| 629 | 27 // fallback for console.log calls |
| 790 | 28 if (typeof console === 'undefined') { |
| 629 | 29 var console = { |
| 685 | 30 log : function(){}, |
| 31 debug : function(){}, | |
| 32 error : function(){} | |
| 33 }; | |
| 772 | 34 var customConsole = false; // set to true if debugging for MS IE |
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35 } |
| 597 | 36 |
| 37 (function($) { | |
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38 var buttons = { |
| 603 | 39 reference : { |
| 682 | 40 onclick : "reference", |
| 603 | 41 tooltip : "get a reference URL", |
| 758 | 42 icon : "reference.png" |
| 603 | 43 }, |
| 44 zoomin : { | |
| 636 | 45 onclick : ["zoomBy", 1.4], |
| 603 | 46 tooltip : "zoom in", |
| 758 | 47 icon : "zoom-in.png" |
| 603 | 48 }, |
| 49 zoomout : { | |
| 636 | 50 onclick : ["zoomBy", 0.7], |
| 603 | 51 tooltip : "zoom out", |
| 758 | 52 icon : "zoom-out.png" |
| 603 | 53 }, |
| 54 zoomarea : { | |
| 647 | 55 onclick : "zoomArea", |
| 603 | 56 tooltip : "zoom area", |
| 758 | 57 icon : "zoom-area.png" |
| 603 | 58 }, |
| 59 zoomfull : { | |
| 643 | 60 onclick : "zoomFull", |
| 603 | 61 tooltip : "view the whole image", |
| 758 | 62 icon : "zoom-full.png" |
| 603 | 63 }, |
| 64 pagewidth : { | |
| 643 | 65 onclick : ["zoomFull", "width"], |
| 603 | 66 tooltip : "page width", |
| 758 | 67 icon : "pagewidth.png" |
| 603 | 68 }, |
| 69 back : { | |
| 616 | 70 onclick : ["gotoPage", "-1"], |
| 603 | 71 tooltip : "goto previous image", |
| 758 | 72 icon : "back.png" |
| 603 | 73 }, |
| 74 fwd : { | |
| 616 | 75 onclick : ["gotoPage", "+1"], |
| 603 | 76 tooltip : "goto next image", |
| 758 | 77 icon : "fwd.png" |
| 603 | 78 }, |
| 79 page : { | |
| 709 | 80 onclick : "gotoPage", |
| 81 tooltip : "goto image number", | |
| 758 | 82 icon : "page.png" |
| 603 | 83 }, |
| 84 help : { | |
| 628 | 85 onclick : "showAboutDiv", |
| 603 | 86 tooltip : "about Digilib", |
| 758 | 87 icon : "help.png" |
| 603 | 88 }, |
| 89 reset : { | |
| 681 | 90 onclick : "reset", |
| 603 | 91 tooltip : "reset image", |
| 758 | 92 icon : "reset.png" |
| 603 | 93 }, |
| 94 mark : { | |
| 640 | 95 onclick : "setMark", |
| 603 | 96 tooltip : "set a mark", |
| 758 | 97 icon : "mark.png" |
| 603 | 98 }, |
| 99 delmark : { | |
| 643 | 100 onclick : "removeMark", |
| 603 | 101 tooltip : "delete the last mark", |
| 758 | 102 icon : "delmark.png" |
| 603 | 103 }, |
| 104 hmir : { | |
| 654 | 105 onclick : ["mirror", "h"], |
| 603 | 106 tooltip : "mirror horizontally", |
| 758 | 107 icon : "mirror-horizontal.png" |
| 603 | 108 }, |
| 109 vmir : { | |
| 654 | 110 onclick : ["mirror", "v"], |
| 603 | 111 tooltip : "mirror vertically", |
| 758 | 112 icon : "mirror-vertical.png" |
| 603 | 113 }, |
| 114 rot : { | |
| 656 | 115 onclick : "rotate", |
| 603 | 116 tooltip : "rotate image", |
| 758 | 117 icon : "rotate.png" |
| 603 | 118 }, |
| 119 brgt : { | |
| 656 | 120 onclick : "brightness", |
| 603 | 121 tooltip : "set brightness", |
| 758 | 122 icon : "brightness.png" |
| 603 | 123 }, |
| 124 cont : { | |
| 656 | 125 onclick : "contrast", |
| 603 | 126 tooltip : "set contrast", |
| 758 | 127 icon : "contrast.png" |
| 603 | 128 }, |
| 129 rgb : { | |
| 130 onclick : "javascript:setParamWin('rgb', '...')", | |
| 131 tooltip : "set rgb values", | |
| 758 | 132 icon : "rgb.png" |
| 603 | 133 }, |
| 134 quality : { | |
| 741 | 135 onclick : "setQuality", |
| 603 | 136 tooltip : "set image quality", |
| 758 | 137 icon : "quality.png" |
| 603 | 138 }, |
| 139 size : { | |
| 140 onclick : "javascript:toggleSizeMenu()", | |
| 141 tooltip : "set page size", | |
| 758 | 142 icon : "size.png" |
| 603 | 143 }, |
| 144 calibrationx : { | |
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145 onclick : "calibrate", |
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146 tooltip : "calibrate screen resolution", |
| 758 | 147 icon : "calibration-x.png" |
| 603 | 148 }, |
| 149 scale : { | |
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150 onclick : "setScaleMode", |
| 603 | 151 tooltip : "change image scale", |
| 758 | 152 icon : "original-size.png" |
| 603 | 153 }, |
| 692 | 154 toggleoptions : { |
| 741 | 155 onclick : "moreButtons", |
| 692 | 156 tooltip : "more options", |
| 758 | 157 icon : "options.png" |
| 692 | 158 }, |
| 683 | 159 moreoptions : { |
| 741 | 160 onclick : ["moreButtons", "+1"], |
| 683 | 161 tooltip : "more options", |
| 758 | 162 icon : "options.png" |
| 683 | 163 }, |
| 164 lessoptions : { | |
| 741 | 165 onclick : ["moreButtons", "-1"], |
| 683 | 166 tooltip : "less options", |
| 758 | 167 icon : "options.png" |
| 603 | 168 }, |
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169 up : { |
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170 onclick : ["moveZoomArea", 0, -1], |
| 870 | 171 tooltip : "move zoom area up", |
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172 icon : "up.png" |
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173 }, |
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174 down : { |
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175 onclick : ["moveZoomArea", 0, 1], |
| 870 | 176 tooltip : "move zoom area down", |
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177 icon : "down.png" |
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178 }, |
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179 left : { |
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180 onclick : ["moveZoomArea", -1, 0], |
| 870 | 181 tooltip : "move zoom area left", |
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182 icon : "left.png" |
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183 }, |
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184 right : { |
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185 onclick : ["moveZoomArea", 1, 0], |
| 870 | 186 tooltip : "move zoom area right", |
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187 icon : "right.png" |
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188 }, |
| 603 | 189 SEP : { |
| 758 | 190 icon : "sep.png" |
| 603 | 191 } |
| 192 }; | |
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193 |
| 598 | 194 var defaults = { |
| 609 | 195 // version of this script |
| 628 | 196 'version' : 'jquery.digilib.js 0.9', |
| 609 | 197 // logo url |
| 198 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 628 | 199 // homepage url (behind logo) |
| 200 'homeUrl' : 'http://digilib.berlios.de', | |
| 737 | 201 // base URL to digilib viewer (for reference URLs) |
| 202 'digilibBaseUrl' : null, | |
| 603 | 203 // base URL to Scaler servlet |
| 645 | 204 'scalerBaseUrl' : null, |
| 603 | 205 // list of Scaler parameters |
| 620 | 206 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 207 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 208 // Scaler parameter defaults | |
| 636 | 209 'pn' : 1, |
| 620 | 210 'ww' : 1.0, |
| 211 'wh' : 1.0, | |
| 212 'wx' : 0.0, | |
| 213 'wy' : 0.0, | |
| 214 'ws' : 1.0, | |
| 636 | 215 'mo' : '', |
| 216 'rot' : 0, | |
| 217 'cont' : 0, | |
| 218 'brgt' : 0, | |
| 219 'rgbm' : '0/0/0', | |
| 220 'rgba' : '0/0/0', | |
| 221 'ddpi' : null, | |
| 222 'ddpix' : null, | |
| 223 'ddpiy' : null, | |
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224 // list of digilib parameters |
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225 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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226 // digilib parameter defaults |
| 636 | 227 'mk' : '', |
| 643 | 228 'clop' : '', |
| 636 | 229 // mode of operation: |
| 230 // fullscreen = take parameters from page URL, keep state in page URL | |
| 231 // embedded = take parameters from Javascript options, keep state inside object | |
| 603 | 232 'interactionMode' : 'fullscreen', |
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233 // buttons |
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234 'buttons' : buttons, |
| 661 | 235 // defaults for digilib buttons |
| 658 | 236 'buttonSettings' : { |
| 237 'fullscreen' : { | |
| 661 | 238 // path to button images (must end with a slash) |
| 658 | 239 'imagePath' : 'img/fullscreen/', |
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240 'buttonSetWidth' : 36, |
| 788 | 241 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","help","reset","toggleoptions"], |
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242 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","lessoptions"], |
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243 'arrowSet' : ["up", "down", "left", "right"], |
| 675 | 244 'buttonSets' : ['standardSet', 'specialSet'] |
| 658 | 245 }, |
| 246 'embedded' : { | |
| 247 'imagePath' : 'img/embedded/16/', | |
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248 'buttonSetWidth' : 18, |
| 788 | 249 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","help","reset","toggleoptions"], |
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250 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","lessoptions"], |
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251 'arrowSet' : ["up", "down", "left", "right"], |
| 675 | 252 'buttonSets' : ['standardSet', 'specialSet'] |
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253 }, |
| 690 | 254 }, |
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255 // arrow bar overlays for moving the zoomed area |
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256 'showZoomArrows' : true, |
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257 // zoom arrow bar minimal width (for small images) |
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258 'zoomArrowMinWidth' : 6, |
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259 // zoom arrow bar standard width |
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260 'zoomArrowWidth' : 32, |
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261 // by what percentage should the arrows move the zoomed area? |
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262 'zoomArrowMoveFactor' : 0.5, |
| 690 | 263 // number of visible button groups |
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264 'visibleButtonSets' : 1, |
| 609 | 265 // is the "about" window shown? |
| 734 | 266 'isAboutDivVisible' : false, |
| 788 | 267 // default size of background image for drag-scroll (same as Bird's Eye View image) |
| 268 'bgImgWidth' : 200, | |
| 269 'bgImgHeight' : 200, | |
| 270 // maximum width or height of background image for drag-scroll | |
| 771 | 271 'maxBgSize' : 10000, |
| 788 | 272 // parameters used by background image |
| 273 'bgImgParams' : ['fn','pn','dw','dh','mo','rot'], | |
| 849 | 274 // reserved space in full page display (default value accounts for vertical scrollbar) |
| 778 | 275 'scalerInset' : 10 |
| 603 | 276 }; |
| 648 | 277 |
| 779 | 278 // list of plugins |
| 279 var plugins = {}; | |
| 780 | 280 // object to export functions to plugins |
| 281 var fn; | |
| 779 | 282 // affine geometry plugin stub |
| 778 | 283 var geom; |
| 648 | 284 |
| 778 | 285 var FULL_AREA; |
| 648 | 286 |
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287 var actions = { |
| 661 | 288 // init: digilib initialization |
| 289 init : function(options) { | |
| 779 | 290 // import geometry classes |
| 291 if (plugins.geometry == null) { | |
| 292 $.error("jquery.digilib.geometry plugin not found!"); | |
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293 // last straw: old version |
| 778 | 294 geom = dlGeometry(); |
| 295 } else { | |
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296 // geometry plugin puts classes in the shared fn |
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297 geom = fn.geometry; |
| 778 | 298 } |
| 299 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 781 | 300 |
| 661 | 301 // settings for this digilib instance are merged from defaults and options |
| 302 var settings = $.extend({}, defaults, options); | |
| 303 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 304 var queryParams = {}; | |
| 305 if (isFullscreen) { | |
| 306 queryParams = parseQueryParams(); | |
| 307 // check scalerBaseUrl | |
| 308 if (settings.scalerBaseUrl == null) { | |
| 309 // try the host this came from | |
| 310 var h = window.location.host; | |
| 311 if (window.location.host) { | |
| 312 var url = window.location.href; | |
| 313 // assume the page lives in [webapp]/jquery/ | |
| 314 var pos = url.indexOf('jquery/'); | |
| 315 if (pos > 0) { | |
| 316 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 645 | 317 } |
| 318 } | |
| 629 | 319 } |
| 661 | 320 } |
| 321 return this.each(function() { | |
| 322 var $elem = $(this); | |
| 323 var data = $elem.data('digilib'); | |
| 681 | 324 var params, elemSettings; |
| 661 | 325 // if the plugin hasn't been initialized yet |
| 326 if (!data) { | |
| 327 // merge query parameters | |
| 328 if (isFullscreen) { | |
| 681 | 329 params = queryParams; |
| 661 | 330 } else { |
| 681 | 331 params = parseImgParams($elem); |
| 778 | 332 if ($.cookie) { |
| 720 | 333 // retrieve params from cookie |
| 334 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 778 | 335 var cs = $.cookie(ck); |
| 720 | 336 console.debug("get cookie=", ck, " value=", cs); |
| 337 if (cs) { | |
| 338 var cp = parseQueryString(cs); | |
| 721 | 339 // ignore fn and pn from cookie TODO: should we keep pn? |
| 340 delete cp.fn; | |
| 341 delete cp.pn; | |
| 778 | 342 $.extend(params, cp); |
| 720 | 343 } |
| 344 } | |
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345 } |
| 849 | 346 // setup $elem.data, needs "deep copy" because of nesting |
| 842 | 347 elemSettings = $.extend(true, {}, settings, params); |
| 690 | 348 data = { |
| 849 | 349 // let $(this) know about $(this) :-) |
| 661 | 350 $elem : $elem, |
| 849 | 351 // let $elem have its own copy of settings |
| 661 | 352 settings : elemSettings, |
| 849 | 353 // and of the URL query parameters |
| 781 | 354 queryParams : params, |
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355 // TODO: move plugins reference out of data |
| 781 | 356 plugins : plugins |
| 661 | 357 }; |
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358 // store in jQuery data element |
| 661 | 359 $elem.data('digilib', data); |
| 360 } | |
| 361 unpackParams(data); | |
| 737 | 362 // check if browser knows *background-size |
| 734 | 363 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 364 if ($elem.css(bs+'background-size')) { | |
| 365 data.hasBgSize = true; | |
| 366 data.bgSizeName = bs+'background-size'; | |
| 367 break; | |
| 368 } | |
| 369 } | |
| 737 | 370 // check digilib base URL |
| 371 if (elemSettings.digilibBaseUrl == null) { | |
| 372 if (isFullscreen) { | |
| 373 // take current host | |
| 374 var url = window.location.toString(); | |
| 375 var pos = url.indexOf('?'); | |
| 376 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 377 } else { | |
| 378 var url = elemSettings.scalerBaseUrl; | |
| 379 if (url) { | |
| 380 // build it from scaler URL | |
| 381 var bp = url.indexOf('/servlet/Scaler'); | |
| 758 | 382 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 737 | 383 } |
| 384 } | |
| 385 } | |
| 779 | 386 // initialise plugins |
| 780 | 387 for (n in plugins) { |
| 388 var p = plugins[n]; | |
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389 if (typeof p.init === 'function') { |
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390 p.init(data); |
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391 } |
| 779 | 392 } |
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393 // get image info from server if needed |
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394 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 790 | 395 $(data).bind('imageInfo', handleImageInfo); |
| 396 loadImageInfo(data); // triggers "imageInfo" on completion | |
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397 } |
| 772 | 398 // create buttons before scaler |
| 690 | 399 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
| 400 showButtons(data, true, i); | |
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401 } |
| 772 | 402 // create HTML structure for scaler, taking width of buttons div into account |
| 403 setupScalerDiv(data); | |
| 758 | 404 highlightButtons(data); |
| 661 | 405 // about window creation - TODO: could be deferred? restrict to only one item? |
| 406 setupAboutDiv(data); | |
| 849 | 407 // arrow overlays for moving zoomed detail |
| 408 setupZoomArrows(data); | |
| 788 | 409 // send setup event |
| 410 $(data).trigger('setup'); | |
| 661 | 411 }); |
| 412 }, | |
| 413 | |
| 414 // destroy: clean up digilib | |
| 415 destroy : function(data) { | |
| 416 return this.each(function(){ | |
| 417 var $elem = $(this); | |
| 418 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 419 data.digilib.remove(); | |
| 420 $elem.removeData('digilib'); | |
| 421 }); | |
| 422 }, | |
| 423 | |
| 424 // show or hide the 'about' window | |
| 425 showAboutDiv : function(data, show) { | |
| 758 | 426 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 427 data.settings.isAboutDivVisible = on; | |
| 428 highlightButtons(data, 'help', on); | |
| 661 | 429 }, |
| 648 | 430 |
| 661 | 431 // goto given page nr (+/-: relative) |
| 432 gotoPage : function (data, pageNr) { | |
| 433 var settings = data.settings; | |
| 434 var oldpn = settings.pn; | |
| 709 | 435 if (pageNr == null) { |
| 436 pageNr = window.prompt("Goto page number", oldpn); | |
| 437 } | |
| 661 | 438 var pn = setNumValue(settings, "pn", pageNr); |
| 439 if (pn == null) return false; // nothing happened | |
| 440 if (pn < 1) { | |
| 441 alert("no such page (page number too low)"); | |
| 442 settings.pn = oldpn; | |
| 443 return false; | |
| 444 } | |
| 760 | 445 // TODO: how do we get pt? |
| 661 | 446 if (settings.pt) { |
| 447 if (pn > settings.pt) { | |
| 448 alert("no such page (page number too high)"); | |
| 616 | 449 settings.pn = oldpn; |
| 450 return false; | |
| 627 | 451 } |
| 661 | 452 } |
| 453 // reset mk and others(?) | |
| 454 data.marks = []; | |
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455 data.zoomArea = FULL_AREA; |
| 661 | 456 // then reload |
| 457 redisplay(data); | |
| 458 }, | |
| 647 | 459 |
| 661 | 460 // zoom by a given factor |
| 461 zoomBy : function (data, factor) { | |
| 462 zoomBy(data, factor); | |
| 463 }, | |
| 640 | 464 |
| 760 | 465 // zoom to area (or interactive) |
| 466 zoomArea : function (data, area) { | |
| 467 var settings = data.settings; | |
| 468 if (area == null) { | |
| 469 // interactively | |
| 470 zoomArea(data); | |
| 471 } else { | |
| 472 data.zoomArea = geom.rectangle(area); | |
| 473 redisplay(data); | |
| 474 } | |
| 661 | 475 }, |
| 643 | 476 |
| 661 | 477 // zoom out to full page |
| 478 zoomFull : function (data, mode) { | |
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479 data.zoomArea = FULL_AREA; |
| 661 | 480 if (mode === 'width') { |
| 481 data.dlOpts.fitwidth = 1; | |
| 482 delete data.dlOpts.fitheight; | |
| 483 } else if (mode === 'height') { | |
| 484 data.dlOpts.fitheight = 1; | |
| 485 delete data.dlOpts.fitwidth; | |
| 486 } else { | |
| 487 delete data.dlOpts.fitwidth; | |
| 488 delete data.dlOpts.fitheight; | |
| 489 } | |
| 490 redisplay(data); | |
| 491 }, | |
| 492 | |
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493 // move zoomed area |
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494 moveZoomArea : function (data, dx, dy) { |
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495 var za = data.zoomArea; |
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496 var factor = data.settings.zoomArrowMoveFactor; |
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497 var deltaX = dx * factor * za.width; |
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498 var deltaY = dy * factor * za.height; |
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499 za.addPosition(geom.position(deltaX, deltaY)); |
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500 data.zoomArea = FULL_AREA.fit(za); |
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501 redisplay(data); |
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502 }, |
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503 |
| 661 | 504 // set a mark by clicking (or giving a position) |
| 505 setMark : function (data, mpos) { | |
| 506 if (mpos == null) { | |
| 507 // interactive | |
| 508 setMark(data); | |
| 509 } else { | |
| 510 // use position | |
| 511 data.marks.push(pos); | |
| 656 | 512 redisplay(data); |
| 597 | 513 } |
| 661 | 514 }, |
| 515 | |
| 516 // remove the last mark | |
| 517 removeMark : function (data) { | |
| 518 data.marks.pop(); | |
| 519 redisplay(data); | |
| 520 }, | |
| 521 | |
| 522 // mirror the image | |
| 523 mirror : function (data, mode) { | |
| 524 var flags = data.scalerFlags; | |
| 525 if (mode === 'h') { | |
| 526 if (flags.hmir) { | |
| 527 delete flags.hmir; | |
| 528 } else { | |
| 529 flags.hmir = 1; | |
| 530 } | |
| 531 } else { | |
| 532 if (flags.vmir) { | |
| 533 delete flags.vmir; | |
| 534 } else { | |
| 535 flags.vmir = 1; | |
| 536 } | |
| 537 } | |
| 538 redisplay(data); | |
| 539 }, | |
| 643 | 540 |
| 661 | 541 // rotate the image |
| 542 rotate : function (data, angle) { | |
| 543 var rot = data.settings.rot; | |
| 544 if (angle == null) { | |
| 545 angle = window.prompt("Rotation angle:", rot); | |
| 546 } | |
| 547 data.settings.rot = angle; | |
| 548 redisplay(data); | |
| 549 }, | |
| 550 | |
| 551 // change brightness | |
| 552 brightness : function (data, factor) { | |
| 553 var brgt = data.settings.brgt; | |
| 554 if (factor == null) { | |
| 555 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 556 } | |
| 557 data.settings.brgt = factor; | |
| 558 redisplay(data); | |
| 559 }, | |
| 560 | |
| 561 // change contrast | |
| 562 contrast : function (data, factor) { | |
| 563 var cont = data.settings.cont; | |
| 564 if (factor == null) { | |
| 565 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 566 } | |
| 567 data.settings.cont = factor; | |
| 568 redisplay(data); | |
| 681 | 569 }, |
| 703 | 570 |
| 683 | 571 // display more (or less) button sets |
| 741 | 572 moreButtons : function (data, more) { |
| 689 | 573 var settings = data.settings; |
| 692 | 574 if (more == null) { |
| 696 | 575 // toggle more or less (only works for 2 sets) |
| 692 | 576 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 577 if (settings.visibleButtonSets >= maxbtns) { | |
| 578 more = '-1'; | |
| 579 } else { | |
| 580 more = '+1'; | |
| 581 } | |
| 582 } | |
| 683 | 583 if (more === '-1') { |
| 584 // remove set | |
| 690 | 585 var setIdx = settings.visibleButtonSets - 1; |
| 586 if (showButtons(data, false, setIdx, true)) { | |
| 587 settings.visibleButtonSets--; | |
| 588 } | |
| 683 | 589 } else { |
| 590 // add set | |
| 690 | 591 var setIdx = settings.visibleButtonSets; |
| 592 if (showButtons(data, true, setIdx, true)) { | |
| 593 settings.visibleButtonSets++; | |
| 683 | 594 } |
| 595 } | |
| 716 | 596 // persist setting |
| 597 storeOptions(data); | |
| 684 | 598 }, |
| 681 | 599 |
| 696 | 600 // reset image parameters to defaults |
| 681 | 601 reset : function (data) { |
| 602 var settings = data.settings; | |
| 603 var paramNames = settings.digilibParamNames; | |
| 604 var params = data.queryParams; | |
| 605 // delete all digilib parameters | |
| 606 for (var i = 0; i < paramNames.length; i++) { | |
| 607 var paramName = paramNames[i]; | |
| 608 delete settings[paramName]; | |
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609 } |
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610 settings.fn = params.fn || ''; // no default defined |
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611 settings.pn = params.pn || defaults.pn; |
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612 settings.dw = params.dw; |
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613 settings.dh = params.dh; |
| 702 | 614 settings.isBirdDivVisible = false; |
| 615 settings.visibleButtonSets = 1; | |
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616 // resets zoomArea, marks, scalerflags |
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617 data.zoomArea = FULL_AREA; |
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618 data.marks = []; |
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619 data.scalerFlags = {}; |
| 705 | 620 delete data.dlOpts.fitwidth; |
| 621 delete data.dlOpts.fitheight; | |
| 681 | 622 redisplay(data); |
| 682 | 623 }, |
| 624 | |
| 696 | 625 // presents a reference url (returns value if noprompt) |
| 626 reference : function (data, noprompt) { | |
| 682 | 627 var settings = data.settings; |
| 737 | 628 var url = getDigilibUrl(data); |
| 696 | 629 if (noprompt == null) { |
| 630 window.prompt("URL reference to the current view", url); | |
| 631 } | |
| 632 return url; | |
| 633 }, | |
| 703 | 634 |
| 696 | 635 // set image quality |
| 741 | 636 setQuality : function (data, qual) { |
| 696 | 637 var oldq = getQuality(data); |
| 638 if (qual == null) { | |
| 639 qual = window.prompt("Image quality (0..2)", oldq); | |
| 640 } | |
| 641 qual = parseInt(qual, 10); | |
| 642 if (qual >= 0 && qual <= 2) { | |
| 643 setQuality(data, qual); | |
| 644 redisplay(data); | |
| 645 } | |
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646 }, |
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647 |
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648 // calibrate (only faking) |
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649 calibrate : function (data, res) { |
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650 var oldRes = data.settings.ddpi; |
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651 if (res == null) { |
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652 res = window.prompt("Display resolution (dpi)", oldRes); |
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653 } |
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654 if (res != null) { |
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655 data.settings.ddpi = res; |
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656 redisplay(data); |
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657 } |
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658 }, |
| 768 | 659 |
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660 // set image scale mode |
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661 setScaleMode : function (data, mode) { |
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662 var oldM = getScaleMode(data); |
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663 if (mode == null) { |
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664 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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665 } |
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666 if (mode != null) { |
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667 setScaleMode(data, mode); |
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668 data.scaleMode = mode; |
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669 redisplay(data); |
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670 } |
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671 } |
| 768 | 672 |
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673 // end of actions |
| 598 | 674 }; |
| 597 | 675 |
| 601 | 676 // returns parameters from page url |
| 600 | 677 var parseQueryParams = function() { |
| 629 | 678 return parseQueryString(window.location.search.slice(1)); |
| 679 }; | |
| 648 | 680 |
| 629 | 681 // returns parameters from embedded img-element |
| 600 | 682 var parseImgParams = function($elem) { |
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683 var src = $elem.find('img').first().attr('src'); |
| 703 | 684 if (!src) return null; |
| 600 | 685 var pos = src.indexOf('?'); |
| 686 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 687 var scalerUrl = src.substring(0, pos); | |
| 620 | 688 var params = parseQueryString(query); |
| 689 params.scalerBaseUrl = scalerUrl; | |
| 690 return params; | |
| 629 | 691 }; |
| 600 | 692 |
| 601 | 693 // parses query parameter string into parameter object |
| 600 | 694 var parseQueryString = function(query) { |
| 694 | 695 var params = {}; |
| 696 if (query == null) return params; | |
| 600 | 697 var pairs = query.split("&"); |
| 629 | 698 //var keys = []; |
| 600 | 699 for (var i = 0; i < pairs.length; i++) { |
| 700 var pair = pairs[i].split("="); | |
| 701 if (pair.length === 2) { | |
| 620 | 702 params[pair[0]] = pair[1]; |
| 629 | 703 //keys.push(pair[0]); |
| 627 | 704 } |
| 629 | 705 } |
| 620 | 706 return params; |
| 629 | 707 }; |
| 661 | 708 |
| 636 | 709 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 710 var getParamString = function (settings, keys, defaults) { | |
| 608 | 711 var paramString = ''; |
| 643 | 712 var nx = false; |
| 608 | 713 for (i = 0; i < keys.length; ++i) { |
| 714 var key = keys[i]; | |
| 656 | 715 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 608 | 716 // first param gets no '&' |
| 643 | 717 if (nx) { |
| 718 paramString += '&'; | |
| 719 } else { | |
| 720 nx = true; | |
| 721 } | |
| 608 | 722 // add parm=val |
| 723 paramString += key + '=' + settings[key]; | |
| 636 | 724 } |
| 608 | 725 } |
| 726 return paramString; | |
| 624 | 727 }; |
| 728 | |
| 629 | 729 // returns URL and query string for Scaler |
| 730 var getScalerUrl = function (data) { | |
| 734 | 731 packParams(data); |
| 646 | 732 var settings = data.settings; |
| 645 | 733 if (settings.scalerBaseUrl == null) { |
| 734 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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735 } |
| 629 | 736 var keys = settings.scalerParamNames; |
| 636 | 737 var queryString = getParamString(settings, keys, defaults); |
| 629 | 738 var url = settings.scalerBaseUrl + '?' + queryString; |
| 739 return url; | |
| 740 }; | |
| 741 | |
| 734 | 742 // returns URL for bird's eye view image |
| 788 | 743 var getBgImgUrl = function (data, moreParams) { |
| 734 | 744 var settings = data.settings; |
| 788 | 745 var bgOptions = { |
| 746 dw : settings.bgImgWidth, | |
| 747 dh : settings.bgImgHeight | |
| 734 | 748 }; |
| 788 | 749 var bgSettings = $.extend({}, settings, bgOptions); |
| 750 // filter scaler flags | |
| 751 if (bgSettings.mo != null) { | |
| 752 var mo = ''; | |
| 753 if (data.scalerFlags.hmir != null) { | |
| 754 mo += 'hmir,'; | |
| 760 | 755 } |
| 788 | 756 if (data.scalerFlags.vmir != null) { |
| 757 mo += 'vmir'; | |
| 758 } | |
| 759 bgSettings.mo = mo; | |
| 736 | 760 } |
| 788 | 761 var params = getParamString(bgSettings, settings.bgImgParams, defaults); |
| 736 | 762 var url = settings.scalerBaseUrl + '?' + params; |
| 734 | 763 return url; |
| 764 }; | |
|
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765 |
| 629 | 766 // returns URL and query string for current digilib |
|
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767 var getDigilibUrl = function (data) { |
| 636 | 768 packParams(data); |
| 629 | 769 var settings = data.settings; |
|
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770 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 737 | 771 return settings.digilibBaseUrl + '?' + queryString; |
| 629 | 772 }; |
| 773 | |
| 790 | 774 // loads image information from digilib server via HTTP |
| 775 var loadImageInfo = function (data) { | |
|
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776 var settings = data.settings; |
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777 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
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778 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
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779 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 760 | 780 // TODO: better error handling |
| 778 | 781 $.getJSON(url, function (json) { |
|
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782 console.debug("got json data=", json); |
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783 data.imgInfo = json; |
| 790 | 784 // send event |
| 785 $(data).trigger('imageInfo', [json]); | |
|
747
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786 }); |
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|
787 }; |
| 768 | 788 |
| 648 | 789 // processes some parameters into objects and stuff |
| 624 | 790 var unpackParams = function (data) { |
| 791 var settings = data.settings; | |
| 629 | 792 // zoom area |
| 624 | 793 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 794 data.zoomArea = zoomArea; |
| 629 | 795 // marks |
| 624 | 796 var marks = []; |
| 643 | 797 if (settings.mk) { |
| 798 var mk = settings.mk; | |
| 799 if (mk.indexOf(";") >= 0) { | |
| 800 var pa = mk.split(";"); // old format with ";" | |
| 801 } else { | |
| 802 var pa = mk.split(","); // new format | |
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803 } |
| 643 | 804 for (var i = 0; i < pa.length ; i++) { |
| 805 var pos = pa[i].split("/"); | |
| 806 if (pos.length > 1) { | |
| 807 marks.push(geom.position(pos[0], pos[1])); | |
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808 } |
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809 } |
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810 } |
| 636 | 811 data.marks = marks; |
| 643 | 812 // mo (Scaler flags) |
| 813 var flags = {}; | |
| 814 if (settings.mo) { | |
| 815 var pa = settings.mo.split(","); | |
| 816 for (var i = 0; i < pa.length ; i++) { | |
| 817 flags[pa[i]] = pa[i]; | |
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818 } |
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819 } |
| 643 | 820 data.scalerFlags = flags; |
|
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821 data.scaleMode = getScaleMode(data); |
| 716 | 822 retrieveOptions(data); |
| 648 | 823 }; |
| 824 | |
| 815 | 825 // put area into parameters |
| 826 var packArea = function (settings, area) { | |
| 827 if (!area) return; | |
| 828 // zoom area | |
| 829 settings.wx = cropFloat(area.x); | |
| 830 settings.wy = cropFloat(area.y); | |
| 831 settings.ww = cropFloat(area.width); | |
| 832 settings.wh = cropFloat(area.height); | |
| 833 }; | |
| 834 | |
| 835 // put marks into parameters | |
| 836 var packMarks = function (settings, marks) { | |
| 837 if (!marks) return; | |
| 838 settings.mk = ''; | |
| 839 for (var i = 0; i < marks.length; i++) { | |
| 840 if (i) { | |
| 841 settings.mk += ','; | |
| 842 } | |
| 843 settings.mk += | |
| 844 cropFloatStr(marks[i].x) + '/' + | |
| 845 cropFloatStr(marks[i].y); | |
| 846 } | |
| 847 }; | |
| 848 | |
| 849 // pack scaler flags into parameters | |
| 850 var packScalerFlags = function (settings, flags) { | |
| 851 if (!flags) return; | |
| 852 var mo = ''; | |
| 853 for (var f in flags) { | |
| 854 if (mo) { | |
| 855 mo += ','; | |
| 856 } | |
| 857 mo += f; | |
| 858 } | |
| 859 settings.mo = mo; | |
| 860 }; | |
| 861 | |
| 624 | 862 // put objects back into parameters |
| 863 var packParams = function (data) { | |
| 864 var settings = data.settings; | |
| 815 | 865 packArea(settings, data.zoomArea); |
| 866 packMarks(settings, data.marks); | |
| 867 packScalerFlags(settings, data.scalerFlags); | |
| 868 // store user interface options in cookie | |
| 716 | 869 storeOptions(data); |
| 702 | 870 }; |
| 681 | 871 |
| 716 | 872 var storeOptions = function (data) { |
| 694 | 873 // save digilib options in cookie |
| 702 | 874 var settings = data.settings; |
| 875 if (data.dlOpts) { | |
| 876 // save digilib settings in options | |
| 877 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 878 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 879 var clop = ''; | |
| 880 for (var o in data.dlOpts) { | |
| 881 if (clop) { | |
| 882 clop += '&'; | |
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883 } |
| 702 | 884 clop += o + '=' + data.dlOpts[o]; |
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885 } |
| 778 | 886 if ($.cookie) { |
| 702 | 887 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 888 console.debug("set cookie=", ck, " value=", clop); | |
| 778 | 889 $.cookie(ck, clop); |
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890 } |
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891 } |
| 778 | 892 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 720 | 893 // store normal parameters in cookie for embedded mode |
| 894 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 895 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 896 console.debug("set cookie=", ck, " value=", qs); | |
| 778 | 897 $.cookie(ck, qs); |
| 720 | 898 } |
| 624 | 899 }; |
| 648 | 900 |
| 716 | 901 var retrieveOptions = function (data) { |
| 702 | 902 // clop (digilib options) |
| 903 var opts = {}; | |
| 904 var settings = data.settings; | |
| 778 | 905 if ($.cookie) { |
| 702 | 906 // read from cookie |
| 907 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 778 | 908 var cp = $.cookie(ck); |
| 702 | 909 console.debug("get cookie=", ck, " value=", cp); |
| 910 // in query string format | |
| 911 opts = parseQueryString(cp); | |
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912 } |
| 702 | 913 data.dlOpts = opts; |
| 914 // birdview option | |
| 915 if (opts.birdview != null) { | |
| 916 settings.isBirdDivVisible = opts.birdview === '1'; | |
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917 } |
| 702 | 918 // visible button sets |
| 919 if (opts.buttons != null) { | |
| 920 settings.visibleButtonSets = opts.buttons; | |
|
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921 } |
| 704 | 922 }; |
| 702 | 923 |
| 615 | 924 // (re)load the img from a new scaler URL |
|
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925 var redisplay = function (data) { |
| 629 | 926 var settings = data.settings; |
| 927 if (settings.interactionMode === 'fullscreen') { | |
| 928 // update location.href (browser URL) in fullscreen mode | |
|
637
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929 var url = getDigilibUrl(data); |
| 629 | 930 var history = window.history; |
|
791
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931 if (typeof history.pushState === 'function') { |
|
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932 console.debug("faking reload to "+url); |
|
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933 // change url without reloading (stateObj, title, url) |
|
881
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934 // TODO: we really need to push the state in stateObj and listen to pop-events |
|
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935 history.replaceState({}, '', url); |
|
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936 // change img src |
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937 var imgurl = getScalerUrl(data); |
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938 data.$img.attr('src', imgurl); |
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939 highlightButtons(data); |
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|
940 // send event |
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|
941 $(data).trigger('redisplay'); |
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|
942 } else { |
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|
943 // reload window |
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944 window.location = url; |
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|
945 } |
| 629 | 946 } else { |
| 947 // embedded mode -- just change img src | |
| 948 var url = getScalerUrl(data); | |
| 949 data.$img.attr('src', url); | |
| 758 | 950 highlightButtons(data); |
| 788 | 951 // send event |
| 952 $(data).trigger('redisplay'); | |
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953 } |
| 615 | 954 }; |
| 955 | |
| 760 | 956 // update display (overlays etc.) |
| 957 var updateDisplay = function (data) { | |
| 958 updateImgTrafo(data); | |
| 959 renderMarks(data); | |
| 960 setupZoomDrag(data); | |
| 855 | 961 renderZoomArrows(data); |
| 777 | 962 // send event |
| 963 $(data).trigger('update'); | |
| 760 | 964 }; |
| 768 | 965 |
| 655 | 966 // returns maximum size for scaler img in fullscreen mode |
| 771 | 967 var getFullscreenImgSize = function (data) { |
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968 var mode = data.settings.interactionMode; |
| 655 | 969 var $win = $(window); |
| 970 var winH = $win.height(); | |
| 772 | 971 var winW = $win.width(); |
| 972 var $body = $('body'); | |
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973 // include standard body margins and check plausibility |
| 773 | 974 var borderW = $body.outerWidth(true) - $body.width(); |
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975 if (borderW === 0 || borderW > 100) { |
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976 console.debug("fixing border width for getFullscreenImgSize!"); |
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977 borderW = data.settings.scalerInset; |
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978 } |
| 773 | 979 var borderH = $body.outerHeight(true) - $body.height(); |
|
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980 if (borderH === 0 || borderH > 100) { |
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981 console.debug("fixing border height for getFullscreenImgSize!"); |
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982 borderH = 5; |
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983 } |
| 772 | 984 var buttonsW = 0; |
|
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985 if (data.settings.visibleButtonSets) { |
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986 // get button width from settings |
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987 buttonsW = data.settings.buttonSettings[mode].buttonSetWidth; |
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988 // TODO: leave space for all button sets? |
| 772 | 989 } |
| 990 // account for left/right border, body margins and additional requirements | |
|
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991 var imgW = winW - borderW - buttonsW; |
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992 var imgH = winH - borderH; |
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993 console.debug(winW, winH, 'winW:', $win.width(), 'border:', borderW, 'buttonsW:', buttonsW, 'calc:', imgW); |
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994 return geom.size(imgW, imgH); |
| 655 | 995 }; |
| 996 | |
| 601 | 997 // creates HTML structure for digilib in elem |
| 620 | 998 var setupScalerDiv = function (data) { |
| 999 var settings = data.settings; | |
| 640 | 1000 var $elem = data.$elem; |
| 718 | 1001 $elem.addClass('digilib'); |
| 721 | 1002 var $img; |
| 1003 var scalerUrl; | |
| 601 | 1004 if (settings.interactionMode === 'fullscreen') { |
| 721 | 1005 // fullscreen |
| 718 | 1006 $elem.addClass('dl_fullscreen'); |
| 771 | 1007 var imgSize = getFullscreenImgSize(data); |
| 643 | 1008 // fitwidth/height omits destination height/width |
| 721 | 1009 if (data.dlOpts.fitheight == null) { |
| 643 | 1010 settings.dw = imgSize.width; |
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1011 } |
| 721 | 1012 if (data.dlOpts.fitwidth == null) { |
| 643 | 1013 settings.dh = imgSize.height; |
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1014 } |
| 679 | 1015 scalerUrl = getScalerUrl(data); |
| 721 | 1016 $img = $('<img/>'); |
| 602 | 1017 } else { |
| 721 | 1018 // embedded mode -- try to keep img tag |
| 718 | 1019 $elem.addClass('dl_embedded'); |
| 721 | 1020 scalerUrl = getScalerUrl(data); |
| 616 | 1021 $img = $elem.find('img'); |
|
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1022 if ($img.length > 0) { |
|
863
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1023 var oldUrl = $img.attr('src'); |
|
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|
1024 // keep img attributes from html |
|
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1025 var title = $img.attr('title'); |
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|
1026 var alt = $img.attr('alt'); |
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|
1027 if (oldUrl === scalerUrl) { |
|
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|
1028 console.debug("img detach:", $img); |
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|
1029 $img.detach(); |
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|
1030 } else { |
|
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|
1031 $img = $('<img/>'); |
|
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|
1032 $img.attr("title", title); |
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1033 $img.attr("alt", alt); |
| 721 | 1034 } |
|
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|
1035 } else { |
|
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|
1036 $img = $('<img/>'); |
|
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|
1037 } |
| 601 | 1038 } |
| 815 | 1039 // create new inner html, keeping buttons and content marked with "keep" class |
| 1040 $elem.contents(":not(.keep)").remove(); | |
|
606
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1041 var $scaler = $('<div class="scaler"/>'); |
| 772 | 1042 // scaler should be the first child element? |
| 1043 $elem.prepend($scaler); | |
|
606
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1044 $scaler.append($img); |
| 615 | 1045 $img.addClass('pic'); |
| 642 | 1046 data.$scaler = $scaler; |
| 629 | 1047 data.$img = $img; |
| 680 | 1048 // setup image load handler before setting the src attribute (IE bug) |
| 1049 $img.load(scalerImgLoadedHandler(data)); | |
| 760 | 1050 $img.error(function () {console.error("error loading scaler image");}); |
| 680 | 1051 $img.attr('src', scalerUrl); |
| 601 | 1052 }; |
| 608 | 1053 |
|
869
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1054 // creates HTML structure for a single button |
|
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1055 var createButton = function (data, $div, buttonName) { |
|
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1056 var $elem = data.$elem; |
|
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1057 var settings = data.settings; |
|
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1058 var mode = settings.interactionMode; |
|
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1059 var imagePath = settings.buttonSettings[mode].imagePath; |
|
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|
1060 var buttonConfig = settings.buttons[buttonName]; |
|
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1061 // button properties |
|
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1062 var action = buttonConfig.onclick; |
|
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1063 var tooltip = buttonConfig.tooltip; |
|
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|
1064 var icon = imagePath + buttonConfig.icon; |
|
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|
1065 // construct the button html |
|
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1066 var $button = $('<div class="button"></div>'); |
|
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1067 var $a = $('<a/>'); |
|
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|
1068 var $img = $('<img class="button"/>'); |
|
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1069 $div.append($button); |
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1070 $button.append($a); |
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1071 $a.append($img); |
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|
1072 // add attributes and bindings |
|
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|
1073 $button.attr('title', tooltip); |
|
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|
1074 $button.addClass('button-' + buttonName); |
|
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1075 $img.attr('src', icon); |
|
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|
1076 // create handler for the buttons |
| 870 | 1077 $button.bind('click.digilib', (function () { |
|
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1078 // we create a new closure to capture the value of action |
|
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|
1079 if ($.isArray(action)) { |
|
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|
1080 // the handler function calls digilib with action and parameters |
|
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1081 return function (evt) { |
|
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1082 console.debug('click action=', action, ' evt=', evt); |
|
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1083 $elem.digilib.apply($elem, action); |
|
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1084 return false; |
|
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|
1085 }; |
|
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|
1086 } else { |
|
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|
1087 // the handler function calls digilib with action |
|
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|
1088 return function (evt) { |
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1089 console.debug('click action=', action, ' evt=', evt); |
|
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1090 $elem.digilib(action); |
|
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|
1091 return false; |
|
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|
1092 }; |
|
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|
1093 } |
|
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|
1094 })()); |
|
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|
1095 }; |
|
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|
1096 |
| 603 | 1097 // creates HTML structure for buttons in elem |
| 690 | 1098 var createButtons = function (data, buttonSetIdx) { |
| 640 | 1099 var $elem = data.$elem; |
|
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1100 var settings = data.settings; |
| 658 | 1101 var mode = settings.interactionMode; |
|
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1102 var buttonSettings = settings.buttonSettings[mode]; |
| 675 | 1103 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 683 | 1104 if (buttonGroup == null) { |
| 1105 // no buttons here | |
| 1106 return; | |
| 1107 } | |
| 815 | 1108 // button divs are marked with class "keep" |
| 1109 var $buttonsDiv = $('<div class="keep buttons"/>'); | |
| 675 | 1110 var buttonNames = buttonSettings[buttonGroup]; |
| 1111 for (var i = 0; i < buttonNames.length; i++) { | |
| 1112 var buttonName = buttonNames[i]; | |
|
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|
1113 createButton(data, $buttonsDiv, buttonName); |
| 683 | 1114 } |
| 655 | 1115 // make buttons div scroll if too large for window |
| 1116 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1117 $buttonsDiv.css('position', 'absolute'); | |
| 1118 } | |
| 690 | 1119 // buttons hidden at first |
| 1120 $buttonsDiv.hide(); | |
| 1121 $elem.append($buttonsDiv); | |
| 675 | 1122 if (data.$buttonSets == null) { |
| 690 | 1123 // first button set |
| 675 | 1124 data.$buttonSets = [$buttonsDiv]; |
| 1125 } else { | |
| 683 | 1126 $elem.append($buttonsDiv); |
| 675 | 1127 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1128 } | |
| 605 | 1129 return $buttonsDiv; |
| 603 | 1130 }; |
| 608 | 1131 |
| 849 | 1132 // creates arrow overlays for moving the zoomed area |
| 1133 var setupZoomArrows = function (data) { | |
| 1134 var $elem = data.$elem; | |
| 1135 var settings = data.settings; | |
| 870 | 1136 var show = settings.showZoomArrows; |
| 849 | 1137 console.log('zoom arrows:', show); |
| 1138 if (!show) return; | |
| 870 | 1139 var mode = settings.interactionMode; |
| 1140 var arrowNames = settings.buttonSettings[mode].arrowSet; | |
| 872 | 1141 if (arrowNames == null) return; |
| 870 | 1142 // arrow divs are marked with class "keep" |
| 1143 var $arrowsDiv = $('<div class="keep arrows"/>'); | |
| 1144 $elem.append($arrowsDiv); | |
| 1145 // create all arrow buttons | |
| 1146 $.each(arrowNames, function(i, arrowName){ | |
| 1147 createButton(data, $arrowsDiv, arrowName); | |
| 1148 }); | |
| 849 | 1149 }; |
| 1150 | |
| 855 | 1151 // size and show arrow overlays, called after scaler img is loaded |
| 1152 var renderZoomArrows = function (data) { | |
| 870 | 1153 var settings = data.settings; |
| 1154 var $arrowsDiv = data.$elem.find('div.arrows'); | |
| 872 | 1155 if (isFullArea(data.zoomArea) || !settings.showZoomArrows) { |
| 1156 $arrowsDiv.hide(); | |
| 1157 return; | |
| 1158 } | |
| 1159 $arrowsDiv.show(); | |
| 870 | 1160 var r = geom.rectangle(data.$scaler); |
| 1161 // calculate arrow bar width | |
| 1162 var aw = settings.zoomArrowWidth; | |
| 1163 var minWidth = settings.zoomArrowMinWidth; | |
| 1164 // arrow bar width should not exceed 10% of scaler width/height | |
| 1165 var maxWidth = Math.min(r.width, r.height)/10; | |
| 1166 if (aw > maxWidth) { | |
| 1167 aw = maxWidth; | |
| 1168 if (aw < minWidth) { | |
| 1169 aw = minWidth; | |
| 1170 } | |
| 1171 } | |
| 872 | 1172 // vertical position of left/right image |
| 871 | 1173 var arrowData = [{ |
| 1174 name : 'up', | |
| 1175 rect : geom.rectangle(r.x, r.y, r.width, aw), | |
| 1176 show : canMove(data, 0, -1) | |
| 1177 }, { | |
| 1178 name : 'down', | |
| 872 | 1179 rect : geom.rectangle(r.x, r.y + r.height - aw, r.width, aw), |
| 871 | 1180 show : canMove(data, 0, 1) |
| 1181 }, { | |
| 1182 name : 'left', | |
| 1183 rect : geom.rectangle(r.x, r.y, aw, r.height), | |
| 876 | 1184 show : canMove(data, -1, 0) |
| 871 | 1185 }, { |
| 1186 name : 'right', | |
| 1187 rect : geom.rectangle(r.x + r.width - aw, r.y, aw, r.height), | |
| 1188 show : canMove(data, 1, 0) | |
| 1189 }]; | |
| 1190 // render a single zoom Arrow | |
| 1191 var render = function (i, item) { | |
| 1192 var $arrow = $arrowsDiv.find('div.button-' + item.name); | |
| 1193 if (item.show) { | |
| 1194 $arrow.show(); | |
| 1195 } else { | |
| 1196 $arrow.hide(); | |
| 872 | 1197 return; |
| 871 | 1198 } |
| 872 | 1199 var r = item.rect; |
| 1200 r.adjustDiv($arrow); | |
| 1201 var $a = $arrow.contents('a'); | |
| 1202 var $img = $a.contents('img'); | |
| 1203 $img.width(aw).height(aw); | |
| 1204 // hack for missing vertical-align | |
| 1205 if (item.name.match(/left|right/)) { | |
| 1206 var top = (r.height - $a.height())/2; | |
| 1207 $a.css({'top' : top}); // position : 'relative' | |
| 1208 } | |
| 871 | 1209 }; |
| 1210 $.each(arrowData, render); | |
| 855 | 1211 }; |
| 1212 | |
| 618 | 1213 // creates HTML structure for the about view in elem |
|
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|
1214 var setupAboutDiv = function (data) { |
| 640 | 1215 var $elem = data.$elem; |
|
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|
1216 var settings = data.settings; |
| 618 | 1217 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
|
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|
1218 var $header = $('<p>Digilib Image Viewer</p>'); |
| 609 | 1219 var $link = $('<a/>'); |
| 1220 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1221 var $content = $('<p/>'); | |
| 1222 $elem.append($aboutDiv); | |
| 1223 $aboutDiv.append($header); | |
| 1224 $aboutDiv.append($link); | |
| 1225 $aboutDiv.append($content); | |
| 1226 $link.append($logo); | |
| 1227 $logo.attr('src', settings.logoUrl); | |
| 628 | 1228 $link.attr('href', settings.homeUrl); |
| 609 | 1229 $content.text('Version: ' + settings.version); |
| 768 | 1230 data.$aboutDiv = $aboutDiv; |
| 628 | 1231 // click hides |
| 768 | 1232 $aboutDiv.bind('click.digilib', function () { |
| 1233 actions['showAboutDiv'](data, false); | |
| 703 | 1234 }); |
| 627 | 1235 }; |
| 1236 | |
| 628 | 1237 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1238 var showDiv = function (isVisible, $div, show) { | |
| 638 | 1239 if (show == null) { |
| 628 | 1240 // toggle visibility |
| 1241 isVisible = !isVisible; | |
| 1242 } else { | |
| 1243 // set visibility | |
| 1244 isVisible = show; | |
|
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|
1245 } |
| 628 | 1246 if (isVisible) { |
| 1247 $div.fadeIn(); | |
| 1248 } else { | |
| 1249 $div.fadeOut(); | |
|
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|
1250 } |
| 628 | 1251 return isVisible; |
| 627 | 1252 }; |
| 609 | 1253 |
| 690 | 1254 // display more (or less) button sets |
| 1255 var showButtons = function (data, more, setIdx, animated) { | |
| 704 | 1256 var atime = animated ? 'fast': 0; |
|
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|
1257 // get button width from settings |
|
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|
1258 var mode = data.settings.interactionMode; |
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|
1259 var btnWidth = data.settings.buttonSettings[mode].buttonSetWidth; |
| 690 | 1260 if (more) { |
| 1261 // add set | |
| 1262 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1263 var $set; | |
| 1264 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1265 // set exists | |
| 1266 $set = data.$buttonSets[setIdx]; | |
| 1267 } else { | |
| 1268 $set = createButtons(data, setIdx); | |
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|
1269 } |
| 690 | 1270 if ($set == null) return false; |
| 758 | 1271 // include border in calculation |
|
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|
1272 //var btnWidth = $set.outerWidth(); |
| 772 | 1273 // console.debug("btnWidth", btnWidth); |
| 690 | 1274 // move remaining sets left and show new set |
| 704 | 1275 if ($otherSets.length > 0) { |
| 1276 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1277 function () {$set.show();}); | |
| 690 | 1278 } else { |
| 1279 $set.show(); | |
| 704 | 1280 } |
| 690 | 1281 } else { |
| 1282 // remove set | |
| 1283 var $set = data.$buttonSets[setIdx]; | |
| 1284 if ($set == null) return false; | |
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|
1285 //var btnWidth = $set.outerWidth(); |
| 690 | 1286 // hide last set |
| 1287 $set.hide(); | |
| 1288 // take remaining sets and move right | |
| 1289 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 704 | 1290 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1291 } | |
| 690 | 1292 return true; |
| 1293 }; | |
| 1294 | |
| 758 | 1295 // check for buttons to highlight |
| 1296 var highlightButtons = function (data, name, on) { | |
| 1297 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1298 // add a class for highlighted button | |
| 1299 var highlight = function (name, on) { | |
| 1300 var $button = $buttons.find('div.button-' + name); | |
| 1301 if (on) { | |
| 1302 $button.addClass('button-on'); | |
| 1303 } else { | |
| 1304 $button.removeClass('button-on'); | |
| 1305 } | |
| 1306 }; | |
| 1307 if (name != null) { | |
| 1308 return highlight(name, on); | |
| 1309 } | |
| 1310 var flags = data.scalerFlags; | |
| 1311 var settings = data.settings; | |
| 1312 highlight('rot', settings.rot); | |
| 1313 highlight('brgt', settings.brgt); | |
| 1314 highlight('cont', settings.cont); | |
| 1315 highlight('bird', settings.isBirdDivVisible); | |
| 1316 highlight('help', settings.isAboutDivVisible); | |
| 1317 highlight('hmir', flags.hmir); | |
| 1318 highlight('vmir', flags.vmir); | |
| 759 | 1319 highlight('quality', flags.q1 || flags.q2); |
| 758 | 1320 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1321 }; | |
| 768 | 1322 |
|
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|
1323 // create Transform from area and $img |
|
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|
1324 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
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diff
changeset
|
1325 var picrect = geom.rectangle($img); |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1326 if (mode != null) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1327 var imgInfo = data.imgInfo; |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1328 if (mode === 'pixel') { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1329 // scaler mo=clip - image area size does not come from ww, wh |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1330 if (imgInfo != null) { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1331 area.width = picrect.width / imgInfo.width; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1332 area.height = picrect.height / imgInfo.height; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1333 } else { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1334 console.error("No image info for pixel mode!"); |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1335 } |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1336 } |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1337 if (mode === 'size') { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1338 // scaler mo=osize - image area size does not come from ww, wh |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1339 if (imgInfo != null) { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1340 var ddpi = parseFloat(data.settings.ddpi); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1341 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1342 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1343 } else { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1344 console.error("No image info for original size mode!"); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1345 } |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1346 } |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1347 } |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1348 var trafo = geom.transform(); |
| 668 | 1349 // move zoom area offset to center |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1350 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 668 | 1351 // scale zoom area size to [1,1] |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1352 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 668 | 1353 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1354 if (rot || hmir || vmir) { | |
| 1355 // move [0.5,0.5] to center | |
| 1356 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1357 if (hmir) { | |
| 1358 // mirror about center | |
| 1359 trafo.concat(trafo.getMirror('y')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1360 } |
| 668 | 1361 if (vmir) { |
| 1362 // mirror about center | |
| 1363 trafo.concat(trafo.getMirror('x')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1364 } |
| 668 | 1365 if (rot) { |
| 1366 // rotate around center | |
| 1367 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1368 } |
| 668 | 1369 // move back |
| 1370 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1371 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1372 // scale to screen position and size |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1373 trafo.concat(trafo.getScale(picrect)); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1374 trafo.concat(trafo.getTranslation(picrect)); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1375 return trafo; |
| 648 | 1376 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1377 |
| 760 | 1378 // update scaler image transform |
| 1379 var updateImgTrafo = function (data) { | |
| 1380 var $img = data.$img; | |
| 886 | 1381 if ($img == null) |
| 1382 return; | |
| 1383 var image = $img.get(0); | |
| 1384 var imgLoaded = $.browser.msie | |
| 1385 ? image.width > 0 | |
| 1386 : image.complete; | |
| 1387 if (imgLoaded) { | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1388 // create Transform from current zoomArea and image size |
| 668 | 1389 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1390 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1391 data.scaleMode, data); |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1392 // console.debug("imgTrafo=", data.imgTrafo); |
| 760 | 1393 } |
| 1394 }; | |
| 768 | 1395 |
| 790 | 1396 // returns handler for load event of scaler img |
| 760 | 1397 var scalerImgLoadedHandler = function (data) { |
| 1398 return function () { | |
| 1399 var $img = $(this); | |
| 1400 console.debug("scaler img loaded=",$img); | |
| 1401 var $scaler = data.$scaler; | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1402 var imgRect = geom.rectangle($img); |
| 726 | 1403 // adjust scaler div size |
| 731 | 1404 imgRect.adjustDiv($scaler); |
| 708 | 1405 // show image in case it was hidden (for example in zoomDrag) |
| 726 | 1406 $img.css('visibility', 'visible'); |
| 734 | 1407 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1408 // update display (render marks, etc.) |
| 1409 updateDisplay(data); | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1410 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1411 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1412 |
| 790 | 1413 // handler for imageInfo loaded event |
| 1414 var handleImageInfo = function (evt, json) { | |
| 1415 var data = this; | |
| 1416 updateDisplay(data); | |
| 1417 }; | |
| 806 | 1418 |
| 626 | 1419 // place marks on the image |
| 1420 var renderMarks = function (data) { | |
| 760 | 1421 if (data.$img == null || data.imgTrafo == null) return; |
|
843
76c23870ac0b
always show html-defined regions. wrong pos still not fixed
hertzhaft
parents:
842
diff
changeset
|
1422 console.debug("renderMarks: img=",data.$img," imgtrafo=",data.imgTrafo); |
| 640 | 1423 var $elem = data.$elem; |
| 636 | 1424 var marks = data.marks; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1425 // clear marks |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1426 $elem.find('div.mark').remove(); |
| 626 | 1427 for (var i = 0; i < marks.length; i++) { |
| 1428 var mark = marks[i]; | |
| 636 | 1429 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 1430 var mpos = data.imgTrafo.transform(mark); |
| 844 | 1431 console.debug("renderMarks: pos=",mpos); |
| 626 | 1432 // create mark |
| 806 | 1433 var html = '<div class="mark overlay">'+(i+1)+'</div>'; |
| 626 | 1434 var $mark = $(html); |
|
843
76c23870ac0b
always show html-defined regions. wrong pos still not fixed
hertzhaft
parents:
842
diff
changeset
|
1435 $mark.attr("id", "digilib-mark-"+(i+1)); |
| 626 | 1436 $elem.append($mark); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1437 mpos.adjustDiv($mark); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1438 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1439 } |
| 626 | 1440 }; |
| 648 | 1441 |
| 640 | 1442 // zooms by the given factor |
| 636 | 1443 var zoomBy = function(data, factor) { |
| 1444 var area = data.zoomArea; | |
| 1445 var newarea = area.copy(); | |
| 1446 // scale | |
| 1447 newarea.width /= factor; | |
| 1448 newarea.height /= factor; | |
| 1449 // and recenter | |
| 1450 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1451 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1452 newarea = FULL_AREA.fit(newarea); |
| 636 | 1453 data.zoomArea = newarea; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1454 redisplay(data); |
| 636 | 1455 }; |
| 1456 | |
| 640 | 1457 // add a mark where clicked |
| 1458 var setMark = function (data) { | |
| 642 | 1459 var $scaler = data.$scaler; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1460 // unbind other handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1461 $scaler.unbind(".dlZoomDrag"); |
| 640 | 1462 // start event capturing |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1463 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 640 | 1464 // event handler adding a new mark |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1465 console.log("setmark at=", evt); |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1466 var mpos = geom.position(evt); |
| 640 | 1467 var pos = data.imgTrafo.invtransform(mpos); |
| 1468 data.marks.push(pos); | |
| 1469 redisplay(data); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1470 return false; |
| 640 | 1471 }); |
| 1472 }; | |
| 661 | 1473 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1474 // zoom to the area around two clicked points |
| 647 | 1475 var zoomArea = function(data) { |
| 1476 $elem = data.$elem; | |
| 1477 $scaler = data.$scaler; | |
| 1478 var pt1, pt2; | |
| 1479 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1480 $elem.append($zoomDiv); | |
| 768 | 1481 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 647 | 1482 var picRect = geom.rectangle($scaler); |
| 1483 // FIX ME: is there a way to query the border width from CSS info? | |
| 1484 // rect.x -= 2; // account for overlay borders | |
| 1485 // rect.y -= 2; | |
| 1486 | |
| 1487 var zoomStart = function (evt) { | |
| 1488 pt1 = geom.position(evt); | |
| 1489 // setup and show zoom div | |
| 731 | 1490 pt1.adjustDiv($zoomDiv); |
| 661 | 1491 $zoomDiv.width(0).height(0); |
| 647 | 1492 $zoomDiv.show(); |
| 1493 // register events | |
| 731 | 1494 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1495 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1496 return false; |
| 1497 }; | |
| 661 | 1498 |
| 734 | 1499 // mouse move handler |
| 1500 var zoomMove = function (evt) { | |
| 1501 pt2 = geom.position(evt); | |
| 1502 var rect = geom.rectangle(pt1, pt2); | |
| 1503 rect.clipTo(picRect); | |
| 1504 // update zoom div | |
| 1505 rect.adjustDiv($zoomDiv); | |
| 1506 return false; | |
| 1507 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1508 |
| 647 | 1509 // mouseup handler: end moving |
| 1510 var zoomEnd = function (evt) { | |
| 1511 pt2 = geom.position(evt); | |
| 1512 // assume a click and continue if the area is too small | |
| 1513 var clickRect = geom.rectangle(pt1, pt2); | |
| 703 | 1514 if (clickRect.getArea() <= 5) return false; |
| 647 | 1515 // hide zoom div |
| 1516 $zoomDiv.remove(); | |
| 1517 // unregister events | |
| 731 | 1518 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1519 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1520 // clip and transform |
| 1521 clickRect.clipTo(picRect); | |
| 1522 var area = data.imgTrafo.invtransform(clickRect); | |
| 1523 data.zoomArea = area; | |
| 1524 // zoomed is always fit | |
| 1525 data.settings.ws = 1; | |
| 731 | 1526 delete data.dlOpts.fitwidth; |
| 1527 delete data.dlOpts.fitheight; | |
| 647 | 1528 redisplay(data); |
| 1529 return false; | |
| 1530 }; | |
| 661 | 1531 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1532 // clear old handler (also ZoomDrag) |
| 731 | 1533 $scaler.unbind('.dlZoomArea'); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1534 $scaler.unbind(".dlZoomDrag"); |
| 731 | 1535 $elem.unbind('.dlZoomArea'); |
| 647 | 1536 // bind start zoom handler |
| 731 | 1537 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 647 | 1538 }; |
| 640 | 1539 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1540 // set zoom background |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1541 var setZoomBG = function(data) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1542 var $scaler = data.$scaler; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1543 var $img = data.$img; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1544 var fullRect = null; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1545 // hide the scaler img, show background of div instead |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1546 $img.css('visibility', 'hidden'); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1547 var scalerCss = { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1548 'background-image' : 'url(' + $img.attr('src') + ')', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1549 'background-repeat' : 'no-repeat', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1550 'background-position' : 'left top', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1551 'opacity' : '0.5', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1552 'cursor' : 'move' |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1553 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1554 if (data.hasBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1555 // full-size background using CSS3-background-size |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1556 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1557 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1558 // correct offset because background is relative |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1559 var scalerPos = geom.position($scaler); |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1560 fullRect.addPosition(scalerPos.neg()); |
| 788 | 1561 var url = getBgImgUrl(data); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1562 scalerCss['background-image'] = 'url(' + url + ')'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1563 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1564 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1565 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1566 // too big |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1567 fullRect = null; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1568 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1569 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1570 $scaler.css(scalerCss); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1571 // isBgReady = true; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1572 return fullRect; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1573 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1574 |
| 731 | 1575 // setup handlers for dragging the zoomed image |
| 698 | 1576 var setupZoomDrag = function(data) { |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1577 var startPos, delta, fullRect; |
| 726 | 1578 var $document = $(document); |
| 788 | 1579 var $data = $(data); |
| 698 | 1580 var $elem = data.$elem; |
| 1581 var $scaler = data.$scaler; | |
| 1582 var $img = data.$img; | |
| 703 | 1583 |
| 726 | 1584 // drag the image and load a new detail on mouse up |
| 698 | 1585 var dragStart = function (evt) { |
| 806 | 1586 console.debug("dragstart at=", evt); |
|
730
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1587 // don't start dragging if not zoomed |
|
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1588 if (isFullArea(data.zoomArea)) return false; |
| 806 | 1589 $elem.find(".overlay").hide(); // hide all overlays (marks/regions) |
| 726 | 1590 startPos = geom.position(evt); |
| 734 | 1591 delta = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1592 // set low res background immediately on mousedown |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1593 fullRect = setZoomBG(data); |
| 726 | 1594 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1595 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1596 return false; |
| 698 | 1597 }; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1598 |
| 726 | 1599 // mousemove handler: drag zoomed image |
| 698 | 1600 var dragMove = function (evt) { |
| 1601 var pos = geom.position(evt); | |
| 734 | 1602 delta = startPos.delta(pos); |
| 1603 if (fullRect) { | |
| 1604 var bgPos = fullRect.getPosition().add(delta); | |
| 1605 } else { | |
| 1606 var bgPos = delta; | |
| 1607 } | |
| 698 | 1608 // move the background image to the new position |
| 708 | 1609 $scaler.css({ |
| 734 | 1610 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 698 | 1611 }); |
|
800
ac1d6b056a6f
geometry: overlapsRect() plus some comment clarifications
hertzhaft
parents:
792
diff
changeset
|
1612 // send message event with current zoom position |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1613 var za = geom.rectangle($img); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1614 za.addPosition(delta.neg()); |
| 788 | 1615 $data.trigger('dragZoom', [za]); |
| 1616 //TODO: setBirdZoom(data, za); | |
| 698 | 1617 return false; |
| 1618 }; | |
| 703 | 1619 |
| 726 | 1620 // mouseup handler: reload zoomed image in new position |
| 698 | 1621 var dragEnd = function (evt) { |
| 732 | 1622 $scaler.css('cursor', 'auto'); |
| 726 | 1623 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1624 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1625 if (delta == null || delta.distance() < 2) { | |
| 1626 // no movement | |
| 1627 $img.css('visibility', 'visible'); | |
| 734 | 1628 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1629 // unhide marks |
| 1630 data.$elem.find('div.mark').show(); | |
| 806 | 1631 $(data).trigger('redisplay'); |
| 726 | 1632 return false; |
| 1633 } | |
| 1634 // get old zoom area (screen coordinates) | |
| 734 | 1635 var za = geom.rectangle($img); |
| 726 | 1636 // move |
| 734 | 1637 za.addPosition(delta.neg()); |
| 726 | 1638 // transform back |
| 1639 var newArea = data.imgTrafo.invtransform(za); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1640 data.zoomArea = FULL_AREA.fit(newArea); |
|
701
2660b733a1e7
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
700
diff
changeset
|
1641 redisplay(data); |
| 698 | 1642 return false; |
| 1643 }; | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1644 |
| 726 | 1645 // clear old handler |
| 1646 $document.unbind(".dlZoomDrag"); | |
| 734 | 1647 $scaler.unbind(".dlZoomDrag"); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1648 if (! isFullArea(data.zoomArea)) { |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1649 // set handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1650 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1651 } |
| 698 | 1652 }; |
| 1653 | |
| 696 | 1654 // get image quality as a number (0..2) |
| 1655 var getQuality = function (data) { | |
| 1656 var flags = data.scalerFlags; | |
| 1657 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1658 return parseInt(q[1], 10); | |
| 699 | 1659 }; |
| 696 | 1660 |
| 1661 // set image quality as a number (0..2) | |
| 1662 var setQuality = function (data, qual) { | |
| 1663 var flags = data.scalerFlags; | |
| 1664 // clear flags | |
| 1665 for (var i = 0; i < 3; ++i) { | |
| 1666 delete flags['q'+i]; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1667 } |
| 696 | 1668 flags['q'+qual] = 'q'+qual; |
| 699 | 1669 }; |
| 703 | 1670 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1671 // get image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1672 var getScaleMode = function (data) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1673 if (data.scalerFlags.clip != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1674 return 'pixel'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1675 } else if (data.scalerFlags.osize != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1676 return 'size'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1677 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1678 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1679 return 'screen'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1680 }; |
| 768 | 1681 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1682 // set image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1683 var setScaleMode = function (data, mode) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1684 delete data.scalerFlags.fit; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1685 delete data.scalerFlags.clip; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1686 delete data.scalerFlags.osize; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1687 if (mode === 'pixel') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1688 data.scalerFlags.clip = 'clip'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1689 } else if (mode === 'size') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1690 data.scalerFlags.osize = 'osize'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1691 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1692 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1693 }; |
| 768 | 1694 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1695 // sets a key to a value (relative values with +/- if relative=true) |
| 643 | 1696 var setNumValue = function(settings, key, value) { |
| 709 | 1697 if (value == null) return null; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1698 if (isNumber(value)) { |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1699 settings[key] = value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1700 return value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1701 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1702 var sign = value[0]; |
| 643 | 1703 if (sign === '+' || sign === '-') { |
| 1704 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1705 // this isn't perfect but still... |
| 643 | 1706 settings[key] = 0; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1707 } |
| 643 | 1708 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1709 } else { | |
| 1710 settings[key] = value; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1711 } |
| 643 | 1712 return settings[key]; |
| 1713 }; | |
| 648 | 1714 |
| 768 | 1715 // auxiliary function, assuming equal border width on all sides |
| 1716 var getBorderWidth = function($elem) { | |
| 1717 var border = $elem.outerWidth() - $elem.width(); | |
| 1718 return border/2; | |
| 1719 }; | |
| 1720 | |
| 871 | 1721 // auxiliary function, can the current zoomarea be moved further? |
| 1722 var canMove = function(data, movx, movy) { | |
| 1723 var za = data.zoomArea; | |
| 1724 if (isFullArea(za)) return false; | |
| 1725 var x2 = za.x + za.width; | |
| 1726 var y2 = za.y + za.height; | |
| 1727 return ((movx < 0) && (za.x > 0)) | |
| 1728 || ((movx > 0) && (x2 < 1.0)) | |
| 1729 || ((movy < 0) && (za.y > 0)) | |
| 1730 || ((movy > 0) && (y2 < 1.0)) | |
| 1731 }; | |
| 1732 | |
| 648 | 1733 // auxiliary function (from old dllib.js) |
| 788 | 1734 var isFullArea = function (area) { |
| 652 | 1735 return (area.width === 1.0) && (area.height === 1.0); |
| 648 | 1736 }; |
| 1737 | |
| 634 | 1738 // auxiliary function (from Douglas Crockford, A.10) |
| 788 | 1739 var isNumber = function (value) { |
| 703 | 1740 return typeof value === 'number' && isFinite(value); |
| 634 | 1741 }; |
| 648 | 1742 |
| 624 | 1743 // auxiliary function to crop senseless precision |
| 1744 var cropFloat = function (x) { | |
| 630 | 1745 return parseInt(10000 * x, 10) / 10000; |
| 624 | 1746 }; |
| 648 | 1747 |
| 806 | 1748 // idem, string version |
| 1749 var cropFloatStr = function (x) { | |
| 1750 return cropFloat(x).toString(); | |
| 1751 }; | |
| 1752 | |
| 685 | 1753 // fallback for console.log calls |
| 1754 if (customConsole) { | |
| 1755 var logFunction = function(type) { | |
| 1756 return function(){ | |
| 1757 var $debug = $('#debug'); // debug div | |
| 1758 if (!$debug) return; | |
| 1759 var args = Array.prototype.slice.call(arguments); | |
| 1760 var argtext = args.join(' '); | |
| 1761 var $logDiv = $('<div/>'); | |
| 1762 $logDiv.addClass(type); | |
| 1763 $logDiv.text(argtext); | |
| 1764 $debug.append($logDiv); | |
| 1765 }; | |
| 1766 }; | |
| 1767 console.log = logFunction('_log'); | |
| 1768 console.debug = logFunction('_debug'); | |
| 1769 console.error = logFunction('_error'); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1770 } |
| 685 | 1771 |
| 780 | 1772 // functions to export to plugins |
| 1773 fn = { | |
| 784 | 1774 geometry : geom, |
| 780 | 1775 parseQueryString : parseQueryString, |
| 1776 getScalerUrl : getScalerUrl, | |
| 1777 getParamString : getParamString, | |
| 1778 getDigilibUrl : getDigilibUrl, | |
| 1779 unpackParams : unpackParams, | |
| 1780 packParams : packParams, | |
| 815 | 1781 packArea : packArea, |
| 1782 packMarks : packMarks, | |
| 1783 packScalerFlags : packScalerFlags, | |
| 788 | 1784 storeOptions : storeOptions, |
| 780 | 1785 redisplay : redisplay, |
| 1786 updateDisplay : updateDisplay, | |
| 788 | 1787 highlightButtons : highlightButtons, |
| 784 | 1788 showDiv : showDiv, |
| 788 | 1789 setZoomBG : setZoomBG, |
| 780 | 1790 getImgTrafo : getImgTrafo, |
| 1791 getQuality : getQuality, | |
| 1792 setQuality : setQuality, | |
| 1793 getScaleMode : getScaleMode, | |
| 1794 setScaleMode : setScaleMode, | |
| 871 | 1795 canMove : canMove, |
| 788 | 1796 isFullArea : isFullArea, |
| 806 | 1797 isNumber : isNumber, |
| 1798 getBorderWidth : getBorderWidth, | |
| 1799 cropFloat : cropFloat, | |
| 1800 cropFloatStr : cropFloatStr | |
| 780 | 1801 }; |
| 781 | 1802 |
|
792
52c5595af03e
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
791
diff
changeset
|
1803 // hook digilib plugin into jquery |
| 778 | 1804 $.fn.digilib = function (action) { |
|
792
52c5595af03e
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
791
diff
changeset
|
1805 // plugin extension mechanism, called when the plugins' code is read |
| 779 | 1806 if (action === 'plugin') { |
| 1807 var plugin = arguments[1]; | |
| 1808 // each plugin needs a name | |
| 1809 if (plugin.name != null) { | |
| 1810 plugins[plugin.name] = plugin; | |
|
786
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1811 // share common objects |
|
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1812 plugin.defaults = defaults; |
|
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1813 plugin.buttons = buttons; |
|
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1814 plugin.actions = actions; |
|
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1815 plugin.fn = fn; |
|
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1816 plugin.plugins = plugins; |
|
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1817 // and install |
|
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1818 if (typeof plugin.install === 'function') { |
|
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1819 plugin.install(plugin); |
|
912519475259
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
784
diff
changeset
|
1820 } |
| 779 | 1821 } |
|
792
52c5595af03e
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
791
diff
changeset
|
1822 // plugins will be initialised when action.init is called |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1823 } else if (actions[action]) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1824 // call action on this with the remaining arguments (inserting data as first argument) |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1825 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1826 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1827 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1828 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1829 return actions[action].apply(this, args); |
|
791
0ce8175f025a
fullscreen mode works without reload on browsers supporting history.pushstate!
robcast
parents:
790
diff
changeset
|
1830 } else if (typeof action === 'object' || !action) { |
|
792
52c5595af03e
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
791
diff
changeset
|
1831 // call init on the digilib jQuery object |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1832 return actions.init.apply(this, arguments); |
| 598 | 1833 } else { |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
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1834 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
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498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
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1835 } |
| 598 | 1836 }; |
| 685 | 1837 |
| 597 | 1838 })(jQuery); |