Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 889:65ad22044e13 jquery
merge
with 80a695f683c702570c981aef4471a13d2d7f7f87
| author | robcast |
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| date | Wed, 06 Apr 2011 13:26:40 +0200 |
| parents | cb23fe100d7e 80a695f683c7 |
| children | 613c2089bc7a |
| rev | line source |
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1 /* Copyright (c) 2011 Martin Raspe, Robert Casties |
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2 |
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3 This program is free software: you can redistribute it and/or modify |
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4 it under the terms of the GNU Lesser General Public License as published by |
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5 the Free Software Foundation, either version 2 of the License, or |
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6 (at your option) any later version. |
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7 |
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8 This program is distributed in the hope that it will be useful, |
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9 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 GNU Lesser General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU Lesser General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 |
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16 Authors: |
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17 Martin Raspe, Robert Casties, 11.1.2011 |
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18 */ |
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19 |
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20 /** |
| 604 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
| 767 | 24 /*jslint browser: true, debug: true, forin: true |
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25 */ |
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26 |
| 636 | 27 // fallback for console.log calls |
| 797 | 28 if (typeof console === 'undefined') { |
| 636 | 29 var console = { |
| 692 | 30 log : function(){}, |
| 31 debug : function(){}, | |
| 32 error : function(){} | |
| 33 }; | |
| 779 | 34 var customConsole = false; // set to true if debugging for MS IE |
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35 } |
| 604 | 36 |
| 37 (function($) { | |
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38 var buttons = { |
| 610 | 39 reference : { |
| 689 | 40 onclick : "reference", |
| 610 | 41 tooltip : "get a reference URL", |
| 765 | 42 icon : "reference.png" |
| 610 | 43 }, |
| 44 zoomin : { | |
| 643 | 45 onclick : ["zoomBy", 1.4], |
| 610 | 46 tooltip : "zoom in", |
| 765 | 47 icon : "zoom-in.png" |
| 610 | 48 }, |
| 49 zoomout : { | |
| 643 | 50 onclick : ["zoomBy", 0.7], |
| 610 | 51 tooltip : "zoom out", |
| 765 | 52 icon : "zoom-out.png" |
| 610 | 53 }, |
| 54 zoomarea : { | |
| 654 | 55 onclick : "zoomArea", |
| 610 | 56 tooltip : "zoom area", |
| 765 | 57 icon : "zoom-area.png" |
| 610 | 58 }, |
| 59 zoomfull : { | |
| 650 | 60 onclick : "zoomFull", |
| 610 | 61 tooltip : "view the whole image", |
| 765 | 62 icon : "zoom-full.png" |
| 610 | 63 }, |
| 64 pagewidth : { | |
| 650 | 65 onclick : ["zoomFull", "width"], |
| 610 | 66 tooltip : "page width", |
| 765 | 67 icon : "pagewidth.png" |
| 610 | 68 }, |
| 69 back : { | |
| 623 | 70 onclick : ["gotoPage", "-1"], |
| 610 | 71 tooltip : "goto previous image", |
| 765 | 72 icon : "back.png" |
| 610 | 73 }, |
| 74 fwd : { | |
| 623 | 75 onclick : ["gotoPage", "+1"], |
| 610 | 76 tooltip : "goto next image", |
| 765 | 77 icon : "fwd.png" |
| 610 | 78 }, |
| 79 page : { | |
| 716 | 80 onclick : "gotoPage", |
| 81 tooltip : "goto image number", | |
| 765 | 82 icon : "page.png" |
| 610 | 83 }, |
| 84 help : { | |
| 635 | 85 onclick : "showAboutDiv", |
| 610 | 86 tooltip : "about Digilib", |
| 765 | 87 icon : "help.png" |
| 610 | 88 }, |
| 89 reset : { | |
| 688 | 90 onclick : "reset", |
| 610 | 91 tooltip : "reset image", |
| 765 | 92 icon : "reset.png" |
| 610 | 93 }, |
| 94 mark : { | |
| 647 | 95 onclick : "setMark", |
| 610 | 96 tooltip : "set a mark", |
| 765 | 97 icon : "mark.png" |
| 610 | 98 }, |
| 99 delmark : { | |
| 650 | 100 onclick : "removeMark", |
| 610 | 101 tooltip : "delete the last mark", |
| 765 | 102 icon : "delmark.png" |
| 610 | 103 }, |
| 104 hmir : { | |
| 661 | 105 onclick : ["mirror", "h"], |
| 610 | 106 tooltip : "mirror horizontally", |
| 765 | 107 icon : "mirror-horizontal.png" |
| 610 | 108 }, |
| 109 vmir : { | |
| 661 | 110 onclick : ["mirror", "v"], |
| 610 | 111 tooltip : "mirror vertically", |
| 765 | 112 icon : "mirror-vertical.png" |
| 610 | 113 }, |
| 114 rot : { | |
| 663 | 115 onclick : "rotate", |
| 610 | 116 tooltip : "rotate image", |
| 765 | 117 icon : "rotate.png" |
| 610 | 118 }, |
| 119 brgt : { | |
| 663 | 120 onclick : "brightness", |
| 610 | 121 tooltip : "set brightness", |
| 765 | 122 icon : "brightness.png" |
| 610 | 123 }, |
| 124 cont : { | |
| 663 | 125 onclick : "contrast", |
| 610 | 126 tooltip : "set contrast", |
| 765 | 127 icon : "contrast.png" |
| 610 | 128 }, |
| 129 rgb : { | |
| 130 onclick : "javascript:setParamWin('rgb', '...')", | |
| 131 tooltip : "set rgb values", | |
| 765 | 132 icon : "rgb.png" |
| 610 | 133 }, |
| 134 quality : { | |
| 748 | 135 onclick : "setQuality", |
| 610 | 136 tooltip : "set image quality", |
| 765 | 137 icon : "quality.png" |
| 610 | 138 }, |
| 139 size : { | |
| 140 onclick : "javascript:toggleSizeMenu()", | |
| 141 tooltip : "set page size", | |
| 765 | 142 icon : "size.png" |
| 610 | 143 }, |
| 144 calibrationx : { | |
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145 onclick : "calibrate", |
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146 tooltip : "calibrate screen resolution", |
| 765 | 147 icon : "calibration-x.png" |
| 610 | 148 }, |
| 149 scale : { | |
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150 onclick : "setScaleMode", |
| 610 | 151 tooltip : "change image scale", |
| 765 | 152 icon : "original-size.png" |
| 610 | 153 }, |
| 699 | 154 toggleoptions : { |
| 748 | 155 onclick : "moreButtons", |
| 699 | 156 tooltip : "more options", |
| 765 | 157 icon : "options.png" |
| 699 | 158 }, |
| 690 | 159 moreoptions : { |
| 748 | 160 onclick : ["moreButtons", "+1"], |
| 690 | 161 tooltip : "more options", |
| 765 | 162 icon : "options.png" |
| 690 | 163 }, |
| 164 lessoptions : { | |
| 748 | 165 onclick : ["moreButtons", "-1"], |
| 690 | 166 tooltip : "less options", |
| 765 | 167 icon : "options.png" |
| 610 | 168 }, |
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169 up : { |
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170 onclick : ["moveZoomArea", 0, -1], |
| 877 | 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], |
| 877 | 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], |
| 877 | 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], |
| 877 | 186 tooltip : "move zoom area right", |
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187 icon : "right.png" |
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188 }, |
| 610 | 189 SEP : { |
| 765 | 190 icon : "sep.png" |
| 610 | 191 } |
| 192 }; | |
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193 |
| 605 | 194 var defaults = { |
| 616 | 195 // version of this script |
| 635 | 196 'version' : 'jquery.digilib.js 0.9', |
| 616 | 197 // logo url |
| 198 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 635 | 199 // homepage url (behind logo) |
| 200 'homeUrl' : 'http://digilib.berlios.de', | |
| 744 | 201 // base URL to digilib viewer (for reference URLs) |
| 202 'digilibBaseUrl' : null, | |
| 610 | 203 // base URL to Scaler servlet |
| 652 | 204 'scalerBaseUrl' : null, |
| 610 | 205 // list of Scaler parameters |
| 627 | 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 | |
| 643 | 209 'pn' : 1, |
| 627 | 210 'ww' : 1.0, |
| 211 'wh' : 1.0, | |
| 212 'wx' : 0.0, | |
| 213 'wy' : 0.0, | |
| 214 'ws' : 1.0, | |
| 643 | 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 |
| 643 | 227 'mk' : '', |
| 650 | 228 'clop' : '', |
| 643 | 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 | |
| 610 | 232 'interactionMode' : 'fullscreen', |
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233 // buttons |
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234 'buttons' : buttons, |
| 668 | 235 // defaults for digilib buttons |
| 665 | 236 'buttonSettings' : { |
| 237 'fullscreen' : { | |
| 668 | 238 // path to button images (must end with a slash) |
| 665 | 239 'imagePath' : 'img/fullscreen/', |
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240 'buttonSetWidth' : 36, |
| 795 | 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"], |
| 682 | 244 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 245 }, |
| 246 'embedded' : { | |
| 247 'imagePath' : 'img/embedded/16/', | |
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248 'buttonSetWidth' : 18, |
| 795 | 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"], |
| 682 | 252 'buttonSets' : ['standardSet', 'specialSet'] |
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253 }, |
| 697 | 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, |
| 697 | 263 // number of visible button groups |
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264 'visibleButtonSets' : 1, |
| 616 | 265 // is the "about" window shown? |
| 741 | 266 'isAboutDivVisible' : false, |
| 795 | 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 | |
| 778 | 271 'maxBgSize' : 10000, |
| 795 | 272 // parameters used by background image |
| 273 'bgImgParams' : ['fn','pn','dw','dh','mo','rot'], | |
| 856 | 274 // reserved space in full page display (default value accounts for vertical scrollbar) |
| 785 | 275 'scalerInset' : 10 |
| 610 | 276 }; |
| 655 | 277 |
| 786 | 278 // list of plugins |
| 279 var plugins = {}; | |
| 787 | 280 // object to export functions to plugins |
| 281 var fn; | |
| 786 | 282 // affine geometry plugin stub |
| 785 | 283 var geom; |
| 655 | 284 |
| 785 | 285 var FULL_AREA; |
| 655 | 286 |
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287 var actions = { |
| 668 | 288 // init: digilib initialization |
| 289 init : function(options) { | |
| 786 | 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 |
| 785 | 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; |
| 785 | 298 } |
| 299 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 788 | 300 |
| 668 | 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'; | |
| 652 | 317 } |
| 318 } | |
| 636 | 319 } |
| 668 | 320 } |
| 321 return this.each(function() { | |
| 322 var $elem = $(this); | |
| 323 var data = $elem.data('digilib'); | |
| 688 | 324 var params, elemSettings; |
| 668 | 325 // if the plugin hasn't been initialized yet |
| 326 if (!data) { | |
| 327 // merge query parameters | |
| 328 if (isFullscreen) { | |
| 688 | 329 params = queryParams; |
| 668 | 330 } else { |
| 688 | 331 params = parseImgParams($elem); |
| 785 | 332 if ($.cookie) { |
| 727 | 333 // retrieve params from cookie |
| 334 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 785 | 335 var cs = $.cookie(ck); |
| 727 | 336 console.debug("get cookie=", ck, " value=", cs); |
| 337 if (cs) { | |
| 338 var cp = parseQueryString(cs); | |
| 728 | 339 // ignore fn and pn from cookie TODO: should we keep pn? |
| 340 delete cp.fn; | |
| 341 delete cp.pn; | |
| 785 | 342 $.extend(params, cp); |
| 727 | 343 } |
| 344 } | |
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345 } |
| 856 | 346 // setup $elem.data, needs "deep copy" because of nesting |
| 849 | 347 elemSettings = $.extend(true, {}, settings, params); |
| 697 | 348 data = { |
| 856 | 349 // let $(this) know about $(this) :-) |
| 668 | 350 $elem : $elem, |
| 856 | 351 // let $elem have its own copy of settings |
| 668 | 352 settings : elemSettings, |
| 856 | 353 // and of the URL query parameters |
| 788 | 354 queryParams : params, |
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355 // TODO: move plugins reference out of data |
| 788 | 356 plugins : plugins |
| 668 | 357 }; |
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358 // store in jQuery data element |
| 668 | 359 $elem.data('digilib', data); |
| 360 } | |
| 361 unpackParams(data); | |
| 744 | 362 // check if browser knows *background-size |
| 741 | 363 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 364 if ($elem.css(bs+'background-size')) { | |
| 365 data.hasBgSize = true; | |
| 366 data.bgSizeName = bs+'background-size'; | |
| 367 break; | |
| 368 } | |
| 369 } | |
| 744 | 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'); | |
| 765 | 382 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 744 | 383 } |
| 384 } | |
| 385 } | |
| 786 | 386 // initialise plugins |
| 787 | 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 } |
| 786 | 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') { |
| 797 | 395 $(data).bind('imageInfo', handleImageInfo); |
| 396 loadImageInfo(data); // triggers "imageInfo" on completion | |
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397 } |
| 779 | 398 // create buttons before scaler |
| 697 | 399 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
| 400 showButtons(data, true, i); | |
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401 } |
| 779 | 402 // create HTML structure for scaler, taking width of buttons div into account |
| 403 setupScalerDiv(data); | |
| 765 | 404 highlightButtons(data); |
| 668 | 405 // about window creation - TODO: could be deferred? restrict to only one item? |
| 406 setupAboutDiv(data); | |
| 856 | 407 // arrow overlays for moving zoomed detail |
| 408 setupZoomArrows(data); | |
| 795 | 409 // send setup event |
| 410 $(data).trigger('setup'); | |
| 668 | 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 $elem.removeData('digilib'); | |
| 421 }); | |
| 422 }, | |
| 423 | |
| 424 // show or hide the 'about' window | |
| 425 showAboutDiv : function(data, show) { | |
| 765 | 426 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 427 data.settings.isAboutDivVisible = on; | |
| 428 highlightButtons(data, 'help', on); | |
| 668 | 429 }, |
| 655 | 430 |
| 668 | 431 // goto given page nr (+/-: relative) |
| 432 gotoPage : function (data, pageNr) { | |
| 433 var settings = data.settings; | |
| 434 var oldpn = settings.pn; | |
| 716 | 435 if (pageNr == null) { |
| 436 pageNr = window.prompt("Goto page number", oldpn); | |
| 437 } | |
| 668 | 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 } | |
| 767 | 445 // TODO: how do we get pt? |
| 668 | 446 if (settings.pt) { |
| 447 if (pn > settings.pt) { | |
| 448 alert("no such page (page number too high)"); | |
| 623 | 449 settings.pn = oldpn; |
| 450 return false; | |
| 634 | 451 } |
| 668 | 452 } |
| 453 // reset mk and others(?) | |
| 454 data.marks = []; | |
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455 data.zoomArea = FULL_AREA; |
| 668 | 456 // then reload |
| 457 redisplay(data); | |
| 458 }, | |
| 654 | 459 |
| 668 | 460 // zoom by a given factor |
| 461 zoomBy : function (data, factor) { | |
| 462 zoomBy(data, factor); | |
| 463 }, | |
| 647 | 464 |
| 767 | 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 } | |
| 668 | 475 }, |
| 650 | 476 |
| 668 | 477 // zoom out to full page |
| 478 zoomFull : function (data, mode) { | |
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479 data.zoomArea = FULL_AREA; |
| 668 | 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 |
| 668 | 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); | |
| 663 | 512 redisplay(data); |
| 604 | 513 } |
| 668 | 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 }, | |
| 650 | 540 |
| 668 | 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); | |
| 688 | 569 }, |
| 710 | 570 |
| 690 | 571 // display more (or less) button sets |
| 748 | 572 moreButtons : function (data, more) { |
| 696 | 573 var settings = data.settings; |
| 699 | 574 if (more == null) { |
| 703 | 575 // toggle more or less (only works for 2 sets) |
| 699 | 576 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 577 if (settings.visibleButtonSets >= maxbtns) { | |
| 578 more = '-1'; | |
| 579 } else { | |
| 580 more = '+1'; | |
| 581 } | |
| 582 } | |
| 690 | 583 if (more === '-1') { |
| 584 // remove set | |
| 697 | 585 var setIdx = settings.visibleButtonSets - 1; |
| 586 if (showButtons(data, false, setIdx, true)) { | |
| 587 settings.visibleButtonSets--; | |
| 588 } | |
| 690 | 589 } else { |
| 590 // add set | |
| 697 | 591 var setIdx = settings.visibleButtonSets; |
| 592 if (showButtons(data, true, setIdx, true)) { | |
| 593 settings.visibleButtonSets++; | |
| 690 | 594 } |
| 595 } | |
| 723 | 596 // persist setting |
| 597 storeOptions(data); | |
| 691 | 598 }, |
| 688 | 599 |
| 703 | 600 // reset image parameters to defaults |
| 688 | 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; |
| 709 | 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 = {}; |
| 712 | 620 delete data.dlOpts.fitwidth; |
| 621 delete data.dlOpts.fitheight; | |
| 688 | 622 redisplay(data); |
| 689 | 623 }, |
| 624 | |
| 703 | 625 // presents a reference url (returns value if noprompt) |
| 626 reference : function (data, noprompt) { | |
| 689 | 627 var settings = data.settings; |
| 744 | 628 var url = getDigilibUrl(data); |
| 703 | 629 if (noprompt == null) { |
| 630 window.prompt("URL reference to the current view", url); | |
| 631 } | |
| 632 return url; | |
| 633 }, | |
| 710 | 634 |
| 703 | 635 // set image quality |
| 748 | 636 setQuality : function (data, qual) { |
| 703 | 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 }, |
| 775 | 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 } |
| 775 | 672 |
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673 // end of actions |
| 605 | 674 }; |
| 604 | 675 |
| 608 | 676 // returns parameters from page url |
| 607 | 677 var parseQueryParams = function() { |
| 636 | 678 return parseQueryString(window.location.search.slice(1)); |
| 679 }; | |
| 655 | 680 |
| 636 | 681 // returns parameters from embedded img-element |
| 607 | 682 var parseImgParams = function($elem) { |
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683 var src = $elem.find('img').first().attr('src'); |
| 710 | 684 if (!src) return null; |
| 607 | 685 var pos = src.indexOf('?'); |
| 686 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 687 var scalerUrl = src.substring(0, pos); | |
| 627 | 688 var params = parseQueryString(query); |
| 689 params.scalerBaseUrl = scalerUrl; | |
| 690 return params; | |
| 636 | 691 }; |
| 607 | 692 |
| 608 | 693 // parses query parameter string into parameter object |
| 607 | 694 var parseQueryString = function(query) { |
| 701 | 695 var params = {}; |
| 696 if (query == null) return params; | |
| 607 | 697 var pairs = query.split("&"); |
| 636 | 698 //var keys = []; |
| 607 | 699 for (var i = 0; i < pairs.length; i++) { |
| 700 var pair = pairs[i].split("="); | |
| 701 if (pair.length === 2) { | |
| 627 | 702 params[pair[0]] = pair[1]; |
| 636 | 703 //keys.push(pair[0]); |
| 634 | 704 } |
| 636 | 705 } |
| 627 | 706 return params; |
| 636 | 707 }; |
| 668 | 708 |
| 643 | 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) { | |
| 615 | 711 var paramString = ''; |
| 650 | 712 var nx = false; |
| 615 | 713 for (i = 0; i < keys.length; ++i) { |
| 714 var key = keys[i]; | |
| 663 | 715 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 716 // first param gets no '&' |
| 650 | 717 if (nx) { |
| 718 paramString += '&'; | |
| 719 } else { | |
| 720 nx = true; | |
| 721 } | |
| 615 | 722 // add parm=val |
| 723 paramString += key + '=' + settings[key]; | |
| 643 | 724 } |
| 615 | 725 } |
| 726 return paramString; | |
| 631 | 727 }; |
| 728 | |
| 636 | 729 // returns URL and query string for Scaler |
| 730 var getScalerUrl = function (data) { | |
| 741 | 731 packParams(data); |
| 653 | 732 var settings = data.settings; |
| 652 | 733 if (settings.scalerBaseUrl == null) { |
| 734 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
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735 } |
| 636 | 736 var keys = settings.scalerParamNames; |
| 643 | 737 var queryString = getParamString(settings, keys, defaults); |
| 636 | 738 var url = settings.scalerBaseUrl + '?' + queryString; |
| 739 return url; | |
| 740 }; | |
| 741 | |
| 741 | 742 // returns URL for bird's eye view image |
| 795 | 743 var getBgImgUrl = function (data, moreParams) { |
| 741 | 744 var settings = data.settings; |
| 795 | 745 var bgOptions = { |
| 746 dw : settings.bgImgWidth, | |
| 747 dh : settings.bgImgHeight | |
| 741 | 748 }; |
| 795 | 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,'; | |
| 767 | 755 } |
| 795 | 756 if (data.scalerFlags.vmir != null) { |
| 757 mo += 'vmir'; | |
| 758 } | |
| 759 bgSettings.mo = mo; | |
| 743 | 760 } |
| 795 | 761 var params = getParamString(bgSettings, settings.bgImgParams, defaults); |
| 743 | 762 var url = settings.scalerBaseUrl + '?' + params; |
| 741 | 763 return url; |
| 764 }; | |
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765 |
| 636 | 766 // returns URL and query string for current digilib |
|
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767 var getDigilibUrl = function (data) { |
| 643 | 768 packParams(data); |
| 636 | 769 var settings = data.settings; |
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770 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 744 | 771 return settings.digilibBaseUrl + '?' + queryString; |
| 636 | 772 }; |
| 773 | |
| 797 | 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); |
| 767 | 780 // TODO: better error handling |
| 785 | 781 $.getJSON(url, function (json) { |
|
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782 console.debug("got json data=", json); |
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783 data.imgInfo = json; |
| 797 | 784 // send event |
| 785 $(data).trigger('imageInfo', [json]); | |
|
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786 }); |
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787 }; |
| 775 | 788 |
| 655 | 789 // processes some parameters into objects and stuff |
| 631 | 790 var unpackParams = function (data) { |
| 791 var settings = data.settings; | |
| 636 | 792 // zoom area |
| 631 | 793 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 794 data.zoomArea = zoomArea; |
| 636 | 795 // marks |
| 631 | 796 var marks = []; |
| 650 | 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 } |
| 650 | 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 } |
| 643 | 811 data.marks = marks; |
| 650 | 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 } |
| 650 | 820 data.scalerFlags = flags; |
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821 data.scaleMode = getScaleMode(data); |
| 723 | 822 retrieveOptions(data); |
| 655 | 823 }; |
| 824 | |
| 822 | 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 | |
| 631 | 862 // put objects back into parameters |
| 863 var packParams = function (data) { | |
| 864 var settings = data.settings; | |
| 822 | 865 packArea(settings, data.zoomArea); |
| 866 packMarks(settings, data.marks); | |
| 867 packScalerFlags(settings, data.scalerFlags); | |
| 868 // store user interface options in cookie | |
| 723 | 869 storeOptions(data); |
| 709 | 870 }; |
| 688 | 871 |
| 723 | 872 var storeOptions = function (data) { |
| 701 | 873 // save digilib options in cookie |
| 709 | 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 } |
| 709 | 884 clop += o + '=' + data.dlOpts[o]; |
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885 } |
| 785 | 886 if ($.cookie) { |
| 709 | 887 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 888 console.debug("set cookie=", ck, " value=", clop); | |
| 785 | 889 $.cookie(ck, clop); |
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890 } |
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891 } |
| 785 | 892 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 727 | 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); | |
| 785 | 897 $.cookie(ck, qs); |
| 727 | 898 } |
| 631 | 899 }; |
| 655 | 900 |
| 723 | 901 var retrieveOptions = function (data) { |
| 709 | 902 // clop (digilib options) |
| 903 var opts = {}; | |
| 904 var settings = data.settings; | |
| 785 | 905 if ($.cookie) { |
| 709 | 906 // read from cookie |
| 907 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 785 | 908 var cp = $.cookie(ck); |
| 709 | 909 console.debug("get cookie=", ck, " value=", cp); |
| 910 // in query string format | |
| 911 opts = parseQueryString(cp); | |
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912 } |
| 709 | 913 data.dlOpts = opts; |
| 914 // birdview option | |
| 915 if (opts.birdview != null) { | |
| 916 settings.isBirdDivVisible = opts.birdview === '1'; | |
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917 } |
| 709 | 918 // visible button sets |
| 919 if (opts.buttons != null) { | |
| 920 settings.visibleButtonSets = opts.buttons; | |
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921 } |
| 711 | 922 }; |
| 709 | 923 |
| 622 | 924 // (re)load the img from a new scaler URL |
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925 var redisplay = function (data) { |
| 636 | 926 var settings = data.settings; |
| 927 if (settings.interactionMode === 'fullscreen') { | |
| 928 // update location.href (browser URL) in fullscreen mode | |
|
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929 var url = getDigilibUrl(data); |
| 636 | 930 var history = window.history; |
|
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931 if (typeof history.pushState === 'function') { |
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932 console.debug("faking reload to "+url); |
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933 // change url without reloading (stateObj, title, url) |
|
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934 // TODO: we really need to put the state in stateObj and listen to pop-events |
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935 // TODO: use replace-state(?) |
|
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936 history.pushState({}, '', url); |
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937 // change img src |
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938 var imgurl = getScalerUrl(data); |
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939 data.$img.attr('src', imgurl); |
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940 highlightButtons(data); |
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941 // send event |
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942 $(data).trigger('redisplay'); |
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943 } else { |
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944 // reload window |
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945 window.location = url; |
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946 } |
| 636 | 947 } else { |
| 948 // embedded mode -- just change img src | |
| 949 var url = getScalerUrl(data); | |
| 950 data.$img.attr('src', url); | |
| 765 | 951 highlightButtons(data); |
| 795 | 952 // send event |
| 953 $(data).trigger('redisplay'); | |
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954 } |
| 622 | 955 }; |
| 956 | |
| 767 | 957 // update display (overlays etc.) |
| 958 var updateDisplay = function (data) { | |
| 959 updateImgTrafo(data); | |
| 960 renderMarks(data); | |
| 961 setupZoomDrag(data); | |
| 862 | 962 renderZoomArrows(data); |
| 784 | 963 // send event |
| 964 $(data).trigger('update'); | |
| 767 | 965 }; |
| 775 | 966 |
| 662 | 967 // returns maximum size for scaler img in fullscreen mode |
| 778 | 968 var getFullscreenImgSize = function (data) { |
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969 var mode = data.settings.interactionMode; |
| 662 | 970 var $win = $(window); |
| 971 var winH = $win.height(); | |
| 779 | 972 var winW = $win.width(); |
| 973 var $body = $('body'); | |
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974 // include standard body margins and check plausibility |
| 780 | 975 var borderW = $body.outerWidth(true) - $body.width(); |
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976 if (borderW === 0 || borderW > 100) { |
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977 console.debug("fixing border width for getFullscreenImgSize!"); |
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978 borderW = data.settings.scalerInset; |
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979 } |
| 780 | 980 var borderH = $body.outerHeight(true) - $body.height(); |
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981 if (borderH === 0 || borderH > 100) { |
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982 console.debug("fixing border height for getFullscreenImgSize!"); |
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983 borderH = 5; |
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984 } |
| 779 | 985 var buttonsW = 0; |
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986 if (data.settings.visibleButtonSets) { |
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987 // get button width from settings |
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988 buttonsW = data.settings.buttonSettings[mode].buttonSetWidth; |
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989 // TODO: leave space for all button sets? |
| 779 | 990 } |
| 991 // account for left/right border, body margins and additional requirements | |
|
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992 var imgW = winW - borderW - buttonsW; |
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993 var imgH = winH - borderH; |
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994 console.debug(winW, winH, 'winW:', $win.width(), 'border:', borderW, 'buttonsW:', buttonsW, 'calc:', imgW); |
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995 return geom.size(imgW, imgH); |
| 662 | 996 }; |
| 997 | |
| 608 | 998 // creates HTML structure for digilib in elem |
| 627 | 999 var setupScalerDiv = function (data) { |
| 1000 var settings = data.settings; | |
| 647 | 1001 var $elem = data.$elem; |
| 725 | 1002 $elem.addClass('digilib'); |
| 728 | 1003 var $img; |
| 1004 var scalerUrl; | |
| 608 | 1005 if (settings.interactionMode === 'fullscreen') { |
| 728 | 1006 // fullscreen |
| 725 | 1007 $elem.addClass('dl_fullscreen'); |
| 778 | 1008 var imgSize = getFullscreenImgSize(data); |
| 650 | 1009 // fitwidth/height omits destination height/width |
| 728 | 1010 if (data.dlOpts.fitheight == null) { |
| 650 | 1011 settings.dw = imgSize.width; |
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1012 } |
| 728 | 1013 if (data.dlOpts.fitwidth == null) { |
| 650 | 1014 settings.dh = imgSize.height; |
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1015 } |
| 686 | 1016 scalerUrl = getScalerUrl(data); |
| 728 | 1017 $img = $('<img/>'); |
| 609 | 1018 } else { |
| 728 | 1019 // embedded mode -- try to keep img tag |
| 725 | 1020 $elem.addClass('dl_embedded'); |
| 728 | 1021 scalerUrl = getScalerUrl(data); |
| 623 | 1022 $img = $elem.find('img'); |
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1023 if ($img.length > 0) { |
|
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1024 var oldUrl = $img.attr('src'); |
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|
1025 // keep img attributes from html |
|
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|
1026 var title = $img.attr('title'); |
|
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|
1027 var alt = $img.attr('alt'); |
|
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|
1028 if (oldUrl === scalerUrl) { |
|
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|
1029 console.debug("img detach:", $img); |
|
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|
1030 $img.detach(); |
|
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|
1031 } else { |
|
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|
1032 $img = $('<img/>'); |
|
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|
1033 $img.attr("title", title); |
|
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|
1034 $img.attr("alt", alt); |
| 728 | 1035 } |
|
613
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|
1036 } else { |
|
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|
1037 $img = $('<img/>'); |
|
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1038 } |
| 608 | 1039 } |
| 822 | 1040 // create new inner html, keeping buttons and content marked with "keep" class |
| 1041 $elem.contents(":not(.keep)").remove(); | |
|
613
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|
1042 var $scaler = $('<div class="scaler"/>'); |
| 779 | 1043 // scaler should be the first child element? |
| 1044 $elem.prepend($scaler); | |
|
613
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|
1045 $scaler.append($img); |
| 622 | 1046 $img.addClass('pic'); |
| 649 | 1047 data.$scaler = $scaler; |
| 636 | 1048 data.$img = $img; |
| 687 | 1049 // setup image load handler before setting the src attribute (IE bug) |
| 1050 $img.load(scalerImgLoadedHandler(data)); | |
| 767 | 1051 $img.error(function () {console.error("error loading scaler image");}); |
| 687 | 1052 $img.attr('src', scalerUrl); |
| 608 | 1053 }; |
| 615 | 1054 |
|
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1055 // creates HTML structure for a single button |
|
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|
1056 var createButton = function (data, $div, buttonName) { |
|
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1057 var $elem = data.$elem; |
|
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1058 var settings = data.settings; |
|
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1059 var mode = settings.interactionMode; |
|
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|
1060 var imagePath = settings.buttonSettings[mode].imagePath; |
|
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|
1061 var buttonConfig = settings.buttons[buttonName]; |
|
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|
1062 // button properties |
|
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|
1063 var action = buttonConfig.onclick; |
|
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|
1064 var tooltip = buttonConfig.tooltip; |
|
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|
1065 var icon = imagePath + buttonConfig.icon; |
|
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|
1066 // construct the button html |
|
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|
1067 var $button = $('<div class="button"></div>'); |
|
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|
1068 var $a = $('<a/>'); |
|
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|
1069 var $img = $('<img class="button"/>'); |
|
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1070 $div.append($button); |
|
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|
1071 $button.append($a); |
|
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|
1072 $a.append($img); |
|
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|
1073 // add attributes and bindings |
|
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|
1074 $button.attr('title', tooltip); |
|
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|
1075 $button.addClass('button-' + buttonName); |
|
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|
1076 $img.attr('src', icon); |
|
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|
1077 // create handler for the buttons |
| 877 | 1078 $button.bind('click.digilib', (function () { |
|
876
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|
1079 // we create a new closure to capture the value of action |
|
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|
1080 if ($.isArray(action)) { |
|
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|
1081 // the handler function calls digilib with action and parameters |
|
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|
1082 return function (evt) { |
|
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|
1083 console.debug('click action=', action, ' evt=', evt); |
|
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|
1084 $elem.digilib.apply($elem, action); |
|
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|
1085 return false; |
|
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|
1086 }; |
|
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|
1087 } else { |
|
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|
1088 // the handler function calls digilib with action |
|
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|
1089 return function (evt) { |
|
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|
1090 console.debug('click action=', action, ' evt=', evt); |
|
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|
1091 $elem.digilib(action); |
|
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|
1092 return false; |
|
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|
1093 }; |
|
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|
1094 } |
|
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|
1095 })()); |
|
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|
1096 }; |
|
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|
1097 |
| 610 | 1098 // creates HTML structure for buttons in elem |
| 697 | 1099 var createButtons = function (data, buttonSetIdx) { |
| 647 | 1100 var $elem = data.$elem; |
|
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|
1101 var settings = data.settings; |
| 665 | 1102 var mode = settings.interactionMode; |
|
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|
1103 var buttonSettings = settings.buttonSettings[mode]; |
| 682 | 1104 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 690 | 1105 if (buttonGroup == null) { |
| 1106 // no buttons here | |
| 1107 return; | |
| 1108 } | |
| 822 | 1109 // button divs are marked with class "keep" |
| 1110 var $buttonsDiv = $('<div class="keep buttons"/>'); | |
| 682 | 1111 var buttonNames = buttonSettings[buttonGroup]; |
| 1112 for (var i = 0; i < buttonNames.length; i++) { | |
| 1113 var buttonName = buttonNames[i]; | |
|
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|
1114 createButton(data, $buttonsDiv, buttonName); |
| 690 | 1115 } |
| 662 | 1116 // make buttons div scroll if too large for window |
| 1117 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1118 $buttonsDiv.css('position', 'absolute'); | |
| 1119 } | |
| 697 | 1120 // buttons hidden at first |
| 1121 $buttonsDiv.hide(); | |
| 1122 $elem.append($buttonsDiv); | |
| 682 | 1123 if (data.$buttonSets == null) { |
| 697 | 1124 // first button set |
| 682 | 1125 data.$buttonSets = [$buttonsDiv]; |
| 1126 } else { | |
| 690 | 1127 $elem.append($buttonsDiv); |
| 682 | 1128 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1129 } | |
| 612 | 1130 return $buttonsDiv; |
| 610 | 1131 }; |
| 615 | 1132 |
| 856 | 1133 // creates arrow overlays for moving the zoomed area |
| 1134 var setupZoomArrows = function (data) { | |
| 1135 var $elem = data.$elem; | |
| 1136 var settings = data.settings; | |
| 877 | 1137 var show = settings.showZoomArrows; |
| 856 | 1138 console.log('zoom arrows:', show); |
| 1139 if (!show) return; | |
| 877 | 1140 var mode = settings.interactionMode; |
| 1141 var arrowNames = settings.buttonSettings[mode].arrowSet; | |
| 879 | 1142 if (arrowNames == null) return; |
| 877 | 1143 // arrow divs are marked with class "keep" |
| 1144 var $arrowsDiv = $('<div class="keep arrows"/>'); | |
| 1145 $elem.append($arrowsDiv); | |
| 1146 // create all arrow buttons | |
| 1147 $.each(arrowNames, function(i, arrowName){ | |
| 1148 createButton(data, $arrowsDiv, arrowName); | |
| 1149 }); | |
| 856 | 1150 }; |
| 1151 | |
| 862 | 1152 // size and show arrow overlays, called after scaler img is loaded |
| 1153 var renderZoomArrows = function (data) { | |
| 877 | 1154 var settings = data.settings; |
| 1155 var $arrowsDiv = data.$elem.find('div.arrows'); | |
| 879 | 1156 if (isFullArea(data.zoomArea) || !settings.showZoomArrows) { |
| 1157 $arrowsDiv.hide(); | |
| 1158 return; | |
| 1159 } | |
| 1160 $arrowsDiv.show(); | |
| 877 | 1161 var r = geom.rectangle(data.$scaler); |
| 1162 // calculate arrow bar width | |
| 1163 var aw = settings.zoomArrowWidth; | |
| 1164 var minWidth = settings.zoomArrowMinWidth; | |
| 1165 // arrow bar width should not exceed 10% of scaler width/height | |
| 1166 var maxWidth = Math.min(r.width, r.height)/10; | |
| 1167 if (aw > maxWidth) { | |
| 1168 aw = maxWidth; | |
| 1169 if (aw < minWidth) { | |
| 1170 aw = minWidth; | |
| 1171 } | |
| 1172 } | |
| 879 | 1173 // vertical position of left/right image |
| 878 | 1174 var arrowData = [{ |
| 1175 name : 'up', | |
| 1176 rect : geom.rectangle(r.x, r.y, r.width, aw), | |
| 1177 show : canMove(data, 0, -1) | |
| 1178 }, { | |
| 1179 name : 'down', | |
| 879 | 1180 rect : geom.rectangle(r.x, r.y + r.height - aw, r.width, aw), |
| 878 | 1181 show : canMove(data, 0, 1) |
| 1182 }, { | |
| 1183 name : 'left', | |
| 1184 rect : geom.rectangle(r.x, r.y, aw, r.height), | |
| 884 | 1185 show : canMove(data, -1, 0) |
| 878 | 1186 }, { |
| 1187 name : 'right', | |
| 1188 rect : geom.rectangle(r.x + r.width - aw, r.y, aw, r.height), | |
| 1189 show : canMove(data, 1, 0) | |
| 1190 }]; | |
| 1191 // render a single zoom Arrow | |
| 1192 var render = function (i, item) { | |
| 1193 var $arrow = $arrowsDiv.find('div.button-' + item.name); | |
| 1194 if (item.show) { | |
| 1195 $arrow.show(); | |
| 1196 } else { | |
| 1197 $arrow.hide(); | |
| 879 | 1198 return; |
| 878 | 1199 } |
| 879 | 1200 var r = item.rect; |
| 1201 r.adjustDiv($arrow); | |
| 1202 var $a = $arrow.contents('a'); | |
| 1203 var $img = $a.contents('img'); | |
| 1204 $img.width(aw).height(aw); | |
| 1205 // hack for missing vertical-align | |
| 1206 if (item.name.match(/left|right/)) { | |
| 1207 var top = (r.height - $a.height())/2; | |
| 1208 $a.css({'top' : top}); // position : 'relative' | |
| 1209 } | |
| 878 | 1210 }; |
| 1211 $.each(arrowData, render); | |
| 862 | 1212 }; |
| 1213 | |
| 625 | 1214 // creates HTML structure for the about view in elem |
|
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|
1215 var setupAboutDiv = function (data) { |
| 647 | 1216 var $elem = data.$elem; |
|
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|
1217 var settings = data.settings; |
| 625 | 1218 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
|
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|
1219 var $header = $('<p>Digilib Image Viewer</p>'); |
| 616 | 1220 var $link = $('<a/>'); |
| 1221 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1222 var $content = $('<p/>'); | |
| 1223 $elem.append($aboutDiv); | |
| 1224 $aboutDiv.append($header); | |
| 1225 $aboutDiv.append($link); | |
| 1226 $aboutDiv.append($content); | |
| 1227 $link.append($logo); | |
| 1228 $logo.attr('src', settings.logoUrl); | |
| 635 | 1229 $link.attr('href', settings.homeUrl); |
| 616 | 1230 $content.text('Version: ' + settings.version); |
| 775 | 1231 data.$aboutDiv = $aboutDiv; |
| 635 | 1232 // click hides |
| 775 | 1233 $aboutDiv.bind('click.digilib', function () { |
| 1234 actions['showAboutDiv'](data, false); | |
| 710 | 1235 }); |
| 634 | 1236 }; |
| 1237 | |
| 635 | 1238 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1239 var showDiv = function (isVisible, $div, show) { | |
| 645 | 1240 if (show == null) { |
| 635 | 1241 // toggle visibility |
| 1242 isVisible = !isVisible; | |
| 1243 } else { | |
| 1244 // set visibility | |
| 1245 isVisible = show; | |
|
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|
1246 } |
| 635 | 1247 if (isVisible) { |
| 1248 $div.fadeIn(); | |
| 1249 } else { | |
| 1250 $div.fadeOut(); | |
|
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|
1251 } |
| 635 | 1252 return isVisible; |
| 634 | 1253 }; |
| 616 | 1254 |
| 697 | 1255 // display more (or less) button sets |
| 1256 var showButtons = function (data, more, setIdx, animated) { | |
| 711 | 1257 var atime = animated ? 'fast': 0; |
|
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|
1258 // get button width from settings |
|
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|
1259 var mode = data.settings.interactionMode; |
|
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|
1260 var btnWidth = data.settings.buttonSettings[mode].buttonSetWidth; |
| 697 | 1261 if (more) { |
| 1262 // add set | |
| 1263 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1264 var $set; | |
| 1265 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1266 // set exists | |
| 1267 $set = data.$buttonSets[setIdx]; | |
| 1268 } else { | |
| 1269 $set = createButtons(data, setIdx); | |
|
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|
1270 } |
| 697 | 1271 if ($set == null) return false; |
| 765 | 1272 // include border in calculation |
|
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|
1273 //var btnWidth = $set.outerWidth(); |
| 779 | 1274 // console.debug("btnWidth", btnWidth); |
| 697 | 1275 // move remaining sets left and show new set |
| 711 | 1276 if ($otherSets.length > 0) { |
| 1277 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1278 function () {$set.show();}); | |
| 697 | 1279 } else { |
| 1280 $set.show(); | |
| 711 | 1281 } |
| 697 | 1282 } else { |
| 1283 // remove set | |
| 1284 var $set = data.$buttonSets[setIdx]; | |
| 1285 if ($set == null) return false; | |
|
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|
1286 //var btnWidth = $set.outerWidth(); |
| 697 | 1287 // hide last set |
| 1288 $set.hide(); | |
| 1289 // take remaining sets and move right | |
| 1290 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 711 | 1291 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1292 } | |
| 697 | 1293 return true; |
| 1294 }; | |
| 1295 | |
| 765 | 1296 // check for buttons to highlight |
| 1297 var highlightButtons = function (data, name, on) { | |
| 1298 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1299 // add a class for highlighted button | |
| 1300 var highlight = function (name, on) { | |
| 1301 var $button = $buttons.find('div.button-' + name); | |
| 1302 if (on) { | |
| 1303 $button.addClass('button-on'); | |
| 1304 } else { | |
| 1305 $button.removeClass('button-on'); | |
| 1306 } | |
| 1307 }; | |
| 1308 if (name != null) { | |
| 1309 return highlight(name, on); | |
| 1310 } | |
| 1311 var flags = data.scalerFlags; | |
| 1312 var settings = data.settings; | |
| 1313 highlight('rot', settings.rot); | |
| 1314 highlight('brgt', settings.brgt); | |
| 1315 highlight('cont', settings.cont); | |
| 1316 highlight('bird', settings.isBirdDivVisible); | |
| 1317 highlight('help', settings.isAboutDivVisible); | |
| 1318 highlight('hmir', flags.hmir); | |
| 1319 highlight('vmir', flags.vmir); | |
| 766 | 1320 highlight('quality', flags.q1 || flags.q2); |
| 765 | 1321 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1322 }; | |
| 775 | 1323 |
|
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|
1324 // create Transform from area and $img |
|
772
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|
1325 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1326 var picrect = geom.rectangle($img); |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1327 if (mode != null) { |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1328 var imgInfo = data.imgInfo; |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1329 if (mode === 'pixel') { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1330 // scaler mo=clip - image area size does not come from ww, wh |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1331 if (imgInfo != null) { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1332 area.width = picrect.width / imgInfo.width; |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1333 area.height = picrect.height / imgInfo.height; |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1334 } else { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1335 console.error("No image info for pixel mode!"); |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1336 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1337 } |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1338 if (mode === 'size') { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1339 // scaler mo=osize - image area size does not come from ww, wh |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1340 if (imgInfo != null) { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1341 var ddpi = parseFloat(data.settings.ddpi); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1342 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1343 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1344 } else { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1345 console.error("No image info for original size mode!"); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1346 } |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1347 } |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1348 } |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1349 var trafo = geom.transform(); |
| 675 | 1350 // move zoom area offset to center |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1351 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1352 // scale zoom area size to [1,1] |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1353 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1354 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1355 if (rot || hmir || vmir) { | |
| 1356 // move [0.5,0.5] to center | |
| 1357 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1358 if (hmir) { | |
| 1359 // mirror about center | |
| 1360 trafo.concat(trafo.getMirror('y')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1361 } |
| 675 | 1362 if (vmir) { |
| 1363 // mirror about center | |
| 1364 trafo.concat(trafo.getMirror('x')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1365 } |
| 675 | 1366 if (rot) { |
| 1367 // rotate around center | |
| 1368 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1369 } |
| 675 | 1370 // move back |
| 1371 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1372 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1373 // scale to screen position and size |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1374 trafo.concat(trafo.getScale(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1375 trafo.concat(trafo.getTranslation(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1376 return trafo; |
| 655 | 1377 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1378 |
| 767 | 1379 // update scaler image transform |
| 1380 var updateImgTrafo = function (data) { | |
| 1381 var $img = data.$img; | |
| 1382 if ($img != null && $img.get(0).complete) { | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1383 // create Transform from current zoomArea and image size |
| 675 | 1384 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1385 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1386 data.scaleMode, data); |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1387 // console.debug("imgTrafo=", data.imgTrafo); |
| 767 | 1388 } |
| 1389 }; | |
| 775 | 1390 |
| 797 | 1391 // returns handler for load event of scaler img |
| 767 | 1392 var scalerImgLoadedHandler = function (data) { |
| 1393 return function () { | |
| 1394 var $img = $(this); | |
| 1395 console.debug("scaler img loaded=",$img); | |
| 1396 var $scaler = data.$scaler; | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1397 var imgRect = geom.rectangle($img); |
| 733 | 1398 // adjust scaler div size |
| 738 | 1399 imgRect.adjustDiv($scaler); |
| 715 | 1400 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1401 $img.css('visibility', 'visible'); |
| 741 | 1402 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1403 // update display (render marks, etc.) |
| 1404 updateDisplay(data); | |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1405 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1406 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1407 |
| 797 | 1408 // handler for imageInfo loaded event |
| 1409 var handleImageInfo = function (evt, json) { | |
| 1410 var data = this; | |
| 1411 updateDisplay(data); | |
| 1412 }; | |
| 813 | 1413 |
| 633 | 1414 // place marks on the image |
| 1415 var renderMarks = function (data) { | |
| 767 | 1416 if (data.$img == null || data.imgTrafo == null) return; |
|
850
47a6b93bde43
always show html-defined regions. wrong pos still not fixed
hertzhaft
parents:
849
diff
changeset
|
1417 console.debug("renderMarks: img=",data.$img," imgtrafo=",data.imgTrafo); |
| 647 | 1418 var $elem = data.$elem; |
| 643 | 1419 var marks = data.marks; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1420 // clear marks |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1421 $elem.find('div.mark').remove(); |
| 633 | 1422 for (var i = 0; i < marks.length; i++) { |
| 1423 var mark = marks[i]; | |
| 643 | 1424 if (data.zoomArea.containsPosition(mark)) { |
| 633 | 1425 var mpos = data.imgTrafo.transform(mark); |
| 851 | 1426 console.debug("renderMarks: pos=",mpos); |
| 633 | 1427 // create mark |
| 813 | 1428 var html = '<div class="mark overlay">'+(i+1)+'</div>'; |
| 633 | 1429 var $mark = $(html); |
|
850
47a6b93bde43
always show html-defined regions. wrong pos still not fixed
hertzhaft
parents:
849
diff
changeset
|
1430 $mark.attr("id", "digilib-mark-"+(i+1)); |
| 633 | 1431 $elem.append($mark); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1432 mpos.adjustDiv($mark); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1433 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1434 } |
| 633 | 1435 }; |
| 655 | 1436 |
| 647 | 1437 // zooms by the given factor |
| 643 | 1438 var zoomBy = function(data, factor) { |
| 1439 var area = data.zoomArea; | |
| 1440 var newarea = area.copy(); | |
| 1441 // scale | |
| 1442 newarea.width /= factor; | |
| 1443 newarea.height /= factor; | |
| 1444 // and recenter | |
| 1445 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1446 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1447 newarea = FULL_AREA.fit(newarea); |
| 643 | 1448 data.zoomArea = newarea; |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1449 redisplay(data); |
| 643 | 1450 }; |
| 1451 | |
| 647 | 1452 // add a mark where clicked |
| 1453 var setMark = function (data) { | |
| 649 | 1454 var $scaler = data.$scaler; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1455 // unbind other handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1456 $scaler.unbind(".dlZoomDrag"); |
| 647 | 1457 // start event capturing |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1458 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 647 | 1459 // event handler adding a new mark |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1460 console.log("setmark at=", evt); |
|
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1461 var mpos = geom.position(evt); |
| 647 | 1462 var pos = data.imgTrafo.invtransform(mpos); |
| 1463 data.marks.push(pos); | |
| 1464 redisplay(data); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1465 return false; |
| 647 | 1466 }); |
| 1467 }; | |
| 668 | 1468 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1469 // zoom to the area around two clicked points |
| 654 | 1470 var zoomArea = function(data) { |
| 1471 $elem = data.$elem; | |
| 1472 $scaler = data.$scaler; | |
| 1473 var pt1, pt2; | |
| 1474 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1475 $elem.append($zoomDiv); | |
| 775 | 1476 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 654 | 1477 var picRect = geom.rectangle($scaler); |
| 1478 // FIX ME: is there a way to query the border width from CSS info? | |
| 1479 // rect.x -= 2; // account for overlay borders | |
| 1480 // rect.y -= 2; | |
| 1481 | |
| 1482 var zoomStart = function (evt) { | |
| 1483 pt1 = geom.position(evt); | |
| 1484 // setup and show zoom div | |
| 738 | 1485 pt1.adjustDiv($zoomDiv); |
| 668 | 1486 $zoomDiv.width(0).height(0); |
| 654 | 1487 $zoomDiv.show(); |
| 1488 // register events | |
| 738 | 1489 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1490 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1491 return false; |
| 1492 }; | |
| 668 | 1493 |
| 741 | 1494 // mouse move handler |
| 1495 var zoomMove = function (evt) { | |
| 1496 pt2 = geom.position(evt); | |
| 1497 var rect = geom.rectangle(pt1, pt2); | |
| 1498 rect.clipTo(picRect); | |
| 1499 // update zoom div | |
| 1500 rect.adjustDiv($zoomDiv); | |
| 1501 return false; | |
| 1502 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1503 |
| 654 | 1504 // mouseup handler: end moving |
| 1505 var zoomEnd = function (evt) { | |
| 1506 pt2 = geom.position(evt); | |
| 1507 // assume a click and continue if the area is too small | |
| 1508 var clickRect = geom.rectangle(pt1, pt2); | |
| 710 | 1509 if (clickRect.getArea() <= 5) return false; |
| 654 | 1510 // hide zoom div |
| 1511 $zoomDiv.remove(); | |
| 1512 // unregister events | |
| 738 | 1513 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1514 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1515 // clip and transform |
| 1516 clickRect.clipTo(picRect); | |
| 1517 var area = data.imgTrafo.invtransform(clickRect); | |
| 1518 data.zoomArea = area; | |
| 1519 // zoomed is always fit | |
| 1520 data.settings.ws = 1; | |
| 738 | 1521 delete data.dlOpts.fitwidth; |
| 1522 delete data.dlOpts.fitheight; | |
| 654 | 1523 redisplay(data); |
| 1524 return false; | |
| 1525 }; | |
| 668 | 1526 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1527 // clear old handler (also ZoomDrag) |
| 738 | 1528 $scaler.unbind('.dlZoomArea'); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1529 $scaler.unbind(".dlZoomDrag"); |
| 738 | 1530 $elem.unbind('.dlZoomArea'); |
| 654 | 1531 // bind start zoom handler |
| 738 | 1532 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 654 | 1533 }; |
| 647 | 1534 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1535 // set zoom background |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1536 var setZoomBG = function(data) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1537 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1538 var $img = data.$img; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1539 var fullRect = null; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1540 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1541 $img.css('visibility', 'hidden'); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1542 var scalerCss = { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1543 'background-image' : 'url(' + $img.attr('src') + ')', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1544 'background-repeat' : 'no-repeat', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1545 'background-position' : 'left top', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1546 'opacity' : '0.5', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1547 'cursor' : 'move' |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1548 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1549 if (data.hasBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1550 // full-size background using CSS3-background-size |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1551 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1552 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1553 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1554 var scalerPos = geom.position($scaler); |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1555 fullRect.addPosition(scalerPos.neg()); |
| 795 | 1556 var url = getBgImgUrl(data); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1557 scalerCss['background-image'] = 'url(' + url + ')'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1558 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1559 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1560 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1561 // too big |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1562 fullRect = null; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1563 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1564 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1565 $scaler.css(scalerCss); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1566 // isBgReady = true; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1567 return fullRect; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1568 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1569 |
| 738 | 1570 // setup handlers for dragging the zoomed image |
| 705 | 1571 var setupZoomDrag = function(data) { |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1572 var startPos, delta, fullRect; |
| 733 | 1573 var $document = $(document); |
| 795 | 1574 var $data = $(data); |
| 705 | 1575 var $elem = data.$elem; |
| 1576 var $scaler = data.$scaler; | |
| 1577 var $img = data.$img; | |
| 710 | 1578 |
| 733 | 1579 // drag the image and load a new detail on mouse up |
| 705 | 1580 var dragStart = function (evt) { |
| 813 | 1581 console.debug("dragstart at=", evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1582 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1583 if (isFullArea(data.zoomArea)) return false; |
| 813 | 1584 $elem.find(".overlay").hide(); // hide all overlays (marks/regions) |
| 733 | 1585 startPos = geom.position(evt); |
| 741 | 1586 delta = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1587 // set low res background immediately on mousedown |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1588 fullRect = setZoomBG(data); |
| 733 | 1589 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1590 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1591 return false; |
| 705 | 1592 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1593 |
| 733 | 1594 // mousemove handler: drag zoomed image |
| 705 | 1595 var dragMove = function (evt) { |
| 1596 var pos = geom.position(evt); | |
| 741 | 1597 delta = startPos.delta(pos); |
| 1598 if (fullRect) { | |
| 1599 var bgPos = fullRect.getPosition().add(delta); | |
| 1600 } else { | |
| 1601 var bgPos = delta; | |
| 1602 } | |
| 705 | 1603 // move the background image to the new position |
| 715 | 1604 $scaler.css({ |
| 741 | 1605 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 705 | 1606 }); |
|
807
1b1728926534
geometry: overlapsRect() plus some comment clarifications
hertzhaft
parents:
799
diff
changeset
|
1607 // send message event with current zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1608 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1609 za.addPosition(delta.neg()); |
| 795 | 1610 $data.trigger('dragZoom', [za]); |
| 1611 //TODO: setBirdZoom(data, za); | |
| 705 | 1612 return false; |
| 1613 }; | |
| 710 | 1614 |
| 733 | 1615 // mouseup handler: reload zoomed image in new position |
| 705 | 1616 var dragEnd = function (evt) { |
| 739 | 1617 $scaler.css('cursor', 'auto'); |
| 733 | 1618 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1619 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1620 if (delta == null || delta.distance() < 2) { | |
| 1621 // no movement | |
| 1622 $img.css('visibility', 'visible'); | |
| 741 | 1623 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1624 // unhide marks |
| 1625 data.$elem.find('div.mark').show(); | |
| 813 | 1626 $(data).trigger('redisplay'); |
| 733 | 1627 return false; |
| 1628 } | |
| 1629 // get old zoom area (screen coordinates) | |
| 741 | 1630 var za = geom.rectangle($img); |
| 733 | 1631 // move |
| 741 | 1632 za.addPosition(delta.neg()); |
| 733 | 1633 // transform back |
| 1634 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1635 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1636 redisplay(data); |
| 705 | 1637 return false; |
| 1638 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1639 |
| 733 | 1640 // clear old handler |
| 1641 $document.unbind(".dlZoomDrag"); | |
| 741 | 1642 $scaler.unbind(".dlZoomDrag"); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1643 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1644 // set handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1645 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1646 } |
| 705 | 1647 }; |
| 1648 | |
| 703 | 1649 // get image quality as a number (0..2) |
| 1650 var getQuality = function (data) { | |
| 1651 var flags = data.scalerFlags; | |
| 1652 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1653 return parseInt(q[1], 10); | |
| 706 | 1654 }; |
| 703 | 1655 |
| 1656 // set image quality as a number (0..2) | |
| 1657 var setQuality = function (data, qual) { | |
| 1658 var flags = data.scalerFlags; | |
| 1659 // clear flags | |
| 1660 for (var i = 0; i < 3; ++i) { | |
| 1661 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1662 } |
| 703 | 1663 flags['q'+qual] = 'q'+qual; |
| 706 | 1664 }; |
| 710 | 1665 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1666 // get image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1667 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1668 if (data.scalerFlags.clip != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1669 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1670 } else if (data.scalerFlags.osize != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1671 return 'size'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1672 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1673 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1674 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1675 }; |
| 775 | 1676 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1677 // set image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1678 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1679 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1680 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1681 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1682 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1683 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1684 } else if (mode === 'size') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1685 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1686 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1687 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1688 }; |
| 775 | 1689 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1690 // sets a key to a value (relative values with +/- if relative=true) |
| 650 | 1691 var setNumValue = function(settings, key, value) { |
| 716 | 1692 if (value == null) return null; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1693 if (isNumber(value)) { |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1694 settings[key] = value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1695 return value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1696 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1697 var sign = value[0]; |
| 650 | 1698 if (sign === '+' || sign === '-') { |
| 1699 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1700 // this isn't perfect but still... |
| 650 | 1701 settings[key] = 0; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1702 } |
| 650 | 1703 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1704 } else { | |
| 1705 settings[key] = value; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1706 } |
| 650 | 1707 return settings[key]; |
| 1708 }; | |
| 655 | 1709 |
| 775 | 1710 // auxiliary function, assuming equal border width on all sides |
| 1711 var getBorderWidth = function($elem) { | |
| 1712 var border = $elem.outerWidth() - $elem.width(); | |
| 1713 return border/2; | |
| 1714 }; | |
| 1715 | |
| 878 | 1716 // auxiliary function, can the current zoomarea be moved further? |
| 1717 var canMove = function(data, movx, movy) { | |
| 1718 var za = data.zoomArea; | |
| 1719 if (isFullArea(za)) return false; | |
| 1720 var x2 = za.x + za.width; | |
| 1721 var y2 = za.y + za.height; | |
| 1722 return ((movx < 0) && (za.x > 0)) | |
| 1723 || ((movx > 0) && (x2 < 1.0)) | |
| 1724 || ((movy < 0) && (za.y > 0)) | |
| 1725 || ((movy > 0) && (y2 < 1.0)) | |
| 1726 }; | |
| 1727 | |
| 655 | 1728 // auxiliary function (from old dllib.js) |
| 795 | 1729 var isFullArea = function (area) { |
| 659 | 1730 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1731 }; |
| 1732 | |
| 641 | 1733 // auxiliary function (from Douglas Crockford, A.10) |
| 795 | 1734 var isNumber = function (value) { |
| 710 | 1735 return typeof value === 'number' && isFinite(value); |
| 641 | 1736 }; |
| 655 | 1737 |
| 631 | 1738 // auxiliary function to crop senseless precision |
| 1739 var cropFloat = function (x) { | |
| 637 | 1740 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1741 }; |
| 655 | 1742 |
| 813 | 1743 // idem, string version |
| 1744 var cropFloatStr = function (x) { | |
| 1745 return cropFloat(x).toString(); | |
| 1746 }; | |
| 1747 | |
| 692 | 1748 // fallback for console.log calls |
| 1749 if (customConsole) { | |
| 1750 var logFunction = function(type) { | |
| 1751 return function(){ | |
| 1752 var $debug = $('#debug'); // debug div | |
| 1753 if (!$debug) return; | |
| 1754 var args = Array.prototype.slice.call(arguments); | |
| 1755 var argtext = args.join(' '); | |
| 1756 var $logDiv = $('<div/>'); | |
| 1757 $logDiv.addClass(type); | |
| 1758 $logDiv.text(argtext); | |
| 1759 $debug.append($logDiv); | |
| 1760 }; | |
| 1761 }; | |
| 1762 console.log = logFunction('_log'); | |
| 1763 console.debug = logFunction('_debug'); | |
| 1764 console.error = logFunction('_error'); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1765 } |
| 692 | 1766 |
| 787 | 1767 // functions to export to plugins |
| 1768 fn = { | |
| 791 | 1769 geometry : geom, |
| 787 | 1770 parseQueryString : parseQueryString, |
| 1771 getScalerUrl : getScalerUrl, | |
| 1772 getParamString : getParamString, | |
| 1773 getDigilibUrl : getDigilibUrl, | |
| 1774 unpackParams : unpackParams, | |
| 1775 packParams : packParams, | |
| 822 | 1776 packArea : packArea, |
| 1777 packMarks : packMarks, | |
| 1778 packScalerFlags : packScalerFlags, | |
| 795 | 1779 storeOptions : storeOptions, |
| 787 | 1780 redisplay : redisplay, |
| 1781 updateDisplay : updateDisplay, | |
| 795 | 1782 highlightButtons : highlightButtons, |
| 791 | 1783 showDiv : showDiv, |
| 795 | 1784 setZoomBG : setZoomBG, |
| 787 | 1785 getImgTrafo : getImgTrafo, |
| 1786 getQuality : getQuality, | |
| 1787 setQuality : setQuality, | |
| 1788 getScaleMode : getScaleMode, | |
| 1789 setScaleMode : setScaleMode, | |
| 878 | 1790 canMove : canMove, |
| 795 | 1791 isFullArea : isFullArea, |
| 813 | 1792 isNumber : isNumber, |
| 1793 getBorderWidth : getBorderWidth, | |
| 1794 cropFloat : cropFloat, | |
| 1795 cropFloatStr : cropFloatStr | |
| 787 | 1796 }; |
| 788 | 1797 |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1798 // hook digilib plugin into jquery |
| 785 | 1799 $.fn.digilib = function (action) { |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1800 // plugin extension mechanism, called when the plugins' code is read |
| 786 | 1801 if (action === 'plugin') { |
| 1802 var plugin = arguments[1]; | |
| 1803 // each plugin needs a name | |
| 1804 if (plugin.name != null) { | |
| 1805 plugins[plugin.name] = plugin; | |
|
793
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1806 // share common objects |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1807 plugin.defaults = defaults; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1808 plugin.buttons = buttons; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1809 plugin.actions = actions; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1810 plugin.fn = fn; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1811 plugin.plugins = plugins; |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1812 // and install |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1813 if (typeof plugin.install === 'function') { |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1814 plugin.install(plugin); |
|
63c1b33e38b1
documentation for new plugin api in jquery-digilib-plugin.txt.
robcast
parents:
791
diff
changeset
|
1815 } |
| 786 | 1816 } |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1817 // plugins will be initialised when action.init is called |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1818 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1819 // call action on this with the remaining arguments (inserting data as first argument) |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1820 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1821 var data = $elem.data('digilib'); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1822 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1823 args.unshift(data); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1824 return actions[action].apply(this, args); |
|
798
b07d1824ca2a
fullscreen mode works without reload on browsers supporting history.pushstate!
robcast
parents:
797
diff
changeset
|
1825 } else if (typeof action === 'object' || !action) { |
|
799
12f790cb30de
started to adapt regions plugin to new plugin mechanism
hertzhaft
parents:
798
diff
changeset
|
1826 // call init on the digilib jQuery object |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1827 return actions.init.apply(this, arguments); |
| 605 | 1828 } else { |
|
713
c1fa722c570e
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1829 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
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1830 } |
| 605 | 1831 }; |
| 692 | 1832 |
| 604 | 1833 })(jQuery); |