Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 791:304488c72344 jquery
first step to birdseye view as a plugin.
| author | robcast |
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| date | Fri, 18 Feb 2011 10:39:40 +0100 |
| parents | baa98b639126 |
| children | d742bd92b05a 63c1b33e38b1 |
| 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 |
| 28 if (typeof(console) === 'undefined') { | |
| 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 bird : { | |
| 635 | 85 onclick : "showBirdDiv", |
| 610 | 86 tooltip : "show bird's eye view", |
| 765 | 87 icon : "birds-eye.png" |
| 610 | 88 }, |
| 89 help : { | |
| 635 | 90 onclick : "showAboutDiv", |
| 610 | 91 tooltip : "about Digilib", |
| 765 | 92 icon : "help.png" |
| 610 | 93 }, |
| 94 reset : { | |
| 688 | 95 onclick : "reset", |
| 610 | 96 tooltip : "reset image", |
| 765 | 97 icon : "reset.png" |
| 610 | 98 }, |
| 99 mark : { | |
| 647 | 100 onclick : "setMark", |
| 610 | 101 tooltip : "set a mark", |
| 765 | 102 icon : "mark.png" |
| 610 | 103 }, |
| 104 delmark : { | |
| 650 | 105 onclick : "removeMark", |
| 610 | 106 tooltip : "delete the last mark", |
| 765 | 107 icon : "delmark.png" |
| 610 | 108 }, |
| 109 hmir : { | |
| 661 | 110 onclick : ["mirror", "h"], |
| 610 | 111 tooltip : "mirror horizontally", |
| 765 | 112 icon : "mirror-horizontal.png" |
| 610 | 113 }, |
| 114 vmir : { | |
| 661 | 115 onclick : ["mirror", "v"], |
| 610 | 116 tooltip : "mirror vertically", |
| 765 | 117 icon : "mirror-vertical.png" |
| 610 | 118 }, |
| 119 rot : { | |
| 663 | 120 onclick : "rotate", |
| 610 | 121 tooltip : "rotate image", |
| 765 | 122 icon : "rotate.png" |
| 610 | 123 }, |
| 124 brgt : { | |
| 663 | 125 onclick : "brightness", |
| 610 | 126 tooltip : "set brightness", |
| 765 | 127 icon : "brightness.png" |
| 610 | 128 }, |
| 129 cont : { | |
| 663 | 130 onclick : "contrast", |
| 610 | 131 tooltip : "set contrast", |
| 765 | 132 icon : "contrast.png" |
| 610 | 133 }, |
| 134 rgb : { | |
| 135 onclick : "javascript:setParamWin('rgb', '...')", | |
| 136 tooltip : "set rgb values", | |
| 765 | 137 icon : "rgb.png" |
| 610 | 138 }, |
| 139 quality : { | |
| 748 | 140 onclick : "setQuality", |
| 610 | 141 tooltip : "set image quality", |
| 765 | 142 icon : "quality.png" |
| 610 | 143 }, |
| 144 size : { | |
| 145 onclick : "javascript:toggleSizeMenu()", | |
| 146 tooltip : "set page size", | |
| 765 | 147 icon : "size.png" |
| 610 | 148 }, |
| 149 calibrationx : { | |
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150 onclick : "calibrate", |
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151 tooltip : "calibrate screen resolution", |
| 765 | 152 icon : "calibration-x.png" |
| 610 | 153 }, |
| 154 scale : { | |
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155 onclick : "setScaleMode", |
| 610 | 156 tooltip : "change image scale", |
| 765 | 157 icon : "original-size.png" |
| 610 | 158 }, |
| 699 | 159 toggleoptions : { |
| 748 | 160 onclick : "moreButtons", |
| 699 | 161 tooltip : "more options", |
| 765 | 162 icon : "options.png" |
| 699 | 163 }, |
| 690 | 164 moreoptions : { |
| 748 | 165 onclick : ["moreButtons", "+1"], |
| 690 | 166 tooltip : "more options", |
| 765 | 167 icon : "options.png" |
| 690 | 168 }, |
| 169 lessoptions : { | |
| 748 | 170 onclick : ["moreButtons", "-1"], |
| 690 | 171 tooltip : "less options", |
| 765 | 172 icon : "options.png" |
| 610 | 173 }, |
| 174 SEP : { | |
| 765 | 175 icon : "sep.png" |
| 610 | 176 } |
| 177 }; | |
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178 |
| 605 | 179 var defaults = { |
| 616 | 180 // version of this script |
| 635 | 181 'version' : 'jquery.digilib.js 0.9', |
| 616 | 182 // logo url |
| 183 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 635 | 184 // homepage url (behind logo) |
| 185 'homeUrl' : 'http://digilib.berlios.de', | |
| 744 | 186 // base URL to digilib viewer (for reference URLs) |
| 187 'digilibBaseUrl' : null, | |
| 610 | 188 // base URL to Scaler servlet |
| 652 | 189 'scalerBaseUrl' : null, |
| 610 | 190 // list of Scaler parameters |
| 627 | 191 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 192 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 193 // Scaler parameter defaults | |
| 643 | 194 'pn' : 1, |
| 627 | 195 'ww' : 1.0, |
| 196 'wh' : 1.0, | |
| 197 'wx' : 0.0, | |
| 198 'wy' : 0.0, | |
| 199 'ws' : 1.0, | |
| 643 | 200 'mo' : '', |
| 201 'rot' : 0, | |
| 202 'cont' : 0, | |
| 203 'brgt' : 0, | |
| 204 'rgbm' : '0/0/0', | |
| 205 'rgba' : '0/0/0', | |
| 206 'ddpi' : null, | |
| 207 'ddpix' : null, | |
| 208 'ddpiy' : null, | |
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209 // list of digilib parameters |
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210 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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211 // digilib parameter defaults |
| 643 | 212 'mk' : '', |
| 650 | 213 'clop' : '', |
| 643 | 214 // mode of operation: |
| 215 // fullscreen = take parameters from page URL, keep state in page URL | |
| 216 // embedded = take parameters from Javascript options, keep state inside object | |
| 610 | 217 'interactionMode' : 'fullscreen', |
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218 // buttons |
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219 'buttons' : buttons, |
| 668 | 220 // defaults for digilib buttons |
| 665 | 221 'buttonSettings' : { |
| 222 'fullscreen' : { | |
| 668 | 223 // path to button images (must end with a slash) |
| 665 | 224 'imagePath' : 'img/fullscreen/', |
| 721 | 225 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
| 226 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
| 682 | 227 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 228 }, |
| 229 'embedded' : { | |
| 230 'imagePath' : 'img/embedded/16/', | |
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231 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
| 768 | 232 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
| 682 | 233 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 234 } |
| 697 | 235 }, |
| 775 | 236 |
| 697 | 237 // number of visible button groups |
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238 'visibleButtonSets' : 1, |
| 616 | 239 // is birdView shown? |
| 240 'isBirdDivVisible' : false, | |
| 668 | 241 // dimensions of bird's eye div |
| 674 | 242 'birdDivWidth' : 200, |
| 243 'birdDivHeight' : 200, | |
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244 // parameters used by bird's eye div |
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245 'birdDivParams' : ['fn','pn','dw','dh'], |
| 616 | 246 // is the "about" window shown? |
| 741 | 247 'isAboutDivVisible' : false, |
| 248 // maximum width of background image for drag-scroll | |
| 778 | 249 'maxBgSize' : 10000, |
| 779 | 250 // space to be left free in full page display, default value is for scrollbar |
| 785 | 251 'scalerInset' : 10 |
| 610 | 252 }; |
| 655 | 253 |
| 786 | 254 // list of plugins |
| 255 var plugins = {}; | |
| 787 | 256 // object to export functions to plugins |
| 257 var fn; | |
| 786 | 258 // affine geometry plugin stub |
| 785 | 259 var geom; |
| 655 | 260 |
| 785 | 261 var FULL_AREA; |
| 655 | 262 |
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263 var actions = { |
| 668 | 264 // init: digilib initialization |
| 265 init : function(options) { | |
| 786 | 266 // import geometry classes |
| 267 if (plugins.geometry == null) { | |
| 268 $.error("jquery.digilib.geometry plugin not found!"); | |
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269 // last straw: old version |
| 785 | 270 geom = dlGeometry(); |
| 271 } else { | |
| 786 | 272 geom = plugins.geometry.init(); |
| 785 | 273 } |
| 274 FULL_AREA = geom.rectangle(0, 0, 1, 1); | |
| 788 | 275 |
| 668 | 276 // settings for this digilib instance are merged from defaults and options |
| 277 var settings = $.extend({}, defaults, options); | |
| 278 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 279 var queryParams = {}; | |
| 280 if (isFullscreen) { | |
| 281 queryParams = parseQueryParams(); | |
| 282 // check scalerBaseUrl | |
| 283 if (settings.scalerBaseUrl == null) { | |
| 284 // try the host this came from | |
| 285 var h = window.location.host; | |
| 286 if (window.location.host) { | |
| 287 var url = window.location.href; | |
| 288 // assume the page lives in [webapp]/jquery/ | |
| 289 var pos = url.indexOf('jquery/'); | |
| 290 if (pos > 0) { | |
| 291 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 652 | 292 } |
| 293 } | |
| 636 | 294 } |
| 668 | 295 } |
| 296 return this.each(function() { | |
| 297 var $elem = $(this); | |
| 298 var data = $elem.data('digilib'); | |
| 688 | 299 var params, elemSettings; |
| 668 | 300 // if the plugin hasn't been initialized yet |
| 301 if (!data) { | |
| 302 // merge query parameters | |
| 303 if (isFullscreen) { | |
| 688 | 304 params = queryParams; |
| 668 | 305 } else { |
| 688 | 306 params = parseImgParams($elem); |
| 785 | 307 if ($.cookie) { |
| 727 | 308 // retrieve params from cookie |
| 309 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 785 | 310 var cs = $.cookie(ck); |
| 727 | 311 console.debug("get cookie=", ck, " value=", cs); |
| 312 if (cs) { | |
| 313 var cp = parseQueryString(cs); | |
| 728 | 314 // ignore fn and pn from cookie TODO: should we keep pn? |
| 315 delete cp.fn; | |
| 316 delete cp.pn; | |
| 785 | 317 $.extend(params, cp); |
| 727 | 318 } |
| 319 } | |
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320 } |
| 791 | 321 // store $(this) element in data |
| 785 | 322 elemSettings = $.extend({}, settings, params); |
| 697 | 323 data = { |
| 668 | 324 $elem : $elem, |
| 325 settings : elemSettings, | |
| 788 | 326 queryParams : params, |
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327 // TODO: move plugins reference out of data |
| 788 | 328 plugins : plugins |
| 668 | 329 }; |
| 330 // store in data element | |
| 331 $elem.data('digilib', data); | |
| 332 } | |
| 333 unpackParams(data); | |
| 744 | 334 // check if browser knows *background-size |
| 741 | 335 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 336 if ($elem.css(bs+'background-size')) { | |
| 337 data.hasBgSize = true; | |
| 338 data.bgSizeName = bs+'background-size'; | |
| 339 break; | |
| 340 } | |
| 341 } | |
| 744 | 342 // check digilib base URL |
| 343 if (elemSettings.digilibBaseUrl == null) { | |
| 344 if (isFullscreen) { | |
| 345 // take current host | |
| 346 var url = window.location.toString(); | |
| 347 var pos = url.indexOf('?'); | |
| 348 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 349 } else { | |
| 350 var url = elemSettings.scalerBaseUrl; | |
| 351 if (url) { | |
| 352 // build it from scaler URL | |
| 353 var bp = url.indexOf('/servlet/Scaler'); | |
| 765 | 354 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 744 | 355 } |
| 356 } | |
| 357 } | |
| 786 | 358 // initialise plugins |
| 787 | 359 for (n in plugins) { |
| 360 var p = plugins[n]; | |
| 361 // share common objects | |
| 362 p.buttons = buttons; | |
| 363 p.actions = actions; | |
| 364 p.fn = fn; | |
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365 p.plugins = plugins; |
| 787 | 366 // and init |
| 367 p.init(data); | |
| 786 | 368 } |
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369 // get image info from server if needed |
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370 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 767 | 371 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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372 } |
| 779 | 373 // create buttons before scaler |
| 697 | 374 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
| 375 showButtons(data, true, i); | |
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376 } |
| 779 | 377 // create HTML structure for scaler, taking width of buttons div into account |
| 378 setupScalerDiv(data); | |
| 765 | 379 highlightButtons(data); |
| 668 | 380 // bird's eye view creation |
| 710 | 381 if (elemSettings.isBirdDivVisible) { |
| 638 | 382 setupBirdDiv(data); |
| 723 | 383 data.$birdDiv.show(); |
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384 } |
| 668 | 385 // about window creation - TODO: could be deferred? restrict to only one item? |
| 386 setupAboutDiv(data); | |
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387 // drag zoom area around in scaler div |
| 755 | 388 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 668 | 389 }); |
| 390 }, | |
| 391 | |
| 392 // destroy: clean up digilib | |
| 393 destroy : function(data) { | |
| 394 return this.each(function(){ | |
| 395 var $elem = $(this); | |
| 396 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 397 data.digilib.remove(); | |
| 398 $elem.removeData('digilib'); | |
| 399 }); | |
| 400 }, | |
| 401 | |
| 402 // show or hide the 'about' window | |
| 403 showAboutDiv : function(data, show) { | |
| 765 | 404 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 405 data.settings.isAboutDivVisible = on; | |
| 406 highlightButtons(data, 'help', on); | |
| 668 | 407 }, |
| 655 | 408 |
| 668 | 409 // event handler: toggles the visibility of the bird's eye window |
| 410 showBirdDiv : function (data, show) { | |
| 726 | 411 var settings = data.settings; |
| 668 | 412 if (data.$birdDiv == null) { |
| 413 // no bird div -> create | |
| 414 setupBirdDiv(data); | |
| 415 } | |
| 765 | 416 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 417 settings.isBirdDivVisible = on; | |
| 418 highlightButtons(data, 'bird', on); | |
| 726 | 419 updateBirdDiv(data); |
| 723 | 420 storeOptions(data); |
| 668 | 421 }, |
| 422 | |
| 423 // goto given page nr (+/-: relative) | |
| 424 gotoPage : function (data, pageNr) { | |
| 425 var settings = data.settings; | |
| 426 var oldpn = settings.pn; | |
| 716 | 427 if (pageNr == null) { |
| 428 pageNr = window.prompt("Goto page number", oldpn); | |
| 429 } | |
| 668 | 430 var pn = setNumValue(settings, "pn", pageNr); |
| 431 if (pn == null) return false; // nothing happened | |
| 432 if (pn < 1) { | |
| 433 alert("no such page (page number too low)"); | |
| 434 settings.pn = oldpn; | |
| 435 return false; | |
| 436 } | |
| 767 | 437 // TODO: how do we get pt? |
| 668 | 438 if (settings.pt) { |
| 439 if (pn > settings.pt) { | |
| 440 alert("no such page (page number too high)"); | |
| 623 | 441 settings.pn = oldpn; |
| 442 return false; | |
| 634 | 443 } |
| 668 | 444 } |
| 445 // reset mk and others(?) | |
| 446 data.marks = []; | |
|
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447 data.zoomArea = FULL_AREA; |
| 668 | 448 // then reload |
| 449 redisplay(data); | |
| 450 }, | |
| 654 | 451 |
| 668 | 452 // zoom by a given factor |
| 453 zoomBy : function (data, factor) { | |
| 454 zoomBy(data, factor); | |
| 455 }, | |
| 647 | 456 |
| 767 | 457 // zoom to area (or interactive) |
| 458 zoomArea : function (data, area) { | |
| 459 var settings = data.settings; | |
| 460 if (area == null) { | |
| 461 // interactively | |
| 462 zoomArea(data); | |
| 463 } else { | |
| 464 data.zoomArea = geom.rectangle(area); | |
| 465 redisplay(data); | |
| 466 } | |
| 668 | 467 }, |
| 650 | 468 |
| 668 | 469 // zoom out to full page |
| 470 zoomFull : function (data, mode) { | |
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471 data.zoomArea = FULL_AREA; |
| 668 | 472 if (mode === 'width') { |
| 473 data.dlOpts.fitwidth = 1; | |
| 474 delete data.dlOpts.fitheight; | |
| 475 } else if (mode === 'height') { | |
| 476 data.dlOpts.fitheight = 1; | |
| 477 delete data.dlOpts.fitwidth; | |
| 478 } else { | |
| 479 delete data.dlOpts.fitwidth; | |
| 480 delete data.dlOpts.fitheight; | |
| 481 } | |
| 482 redisplay(data); | |
| 483 }, | |
| 484 | |
| 485 // set a mark by clicking (or giving a position) | |
| 486 setMark : function (data, mpos) { | |
| 487 if (mpos == null) { | |
| 488 // interactive | |
| 489 setMark(data); | |
| 490 } else { | |
| 491 // use position | |
| 492 data.marks.push(pos); | |
| 663 | 493 redisplay(data); |
| 604 | 494 } |
| 668 | 495 }, |
| 496 | |
| 497 // remove the last mark | |
| 498 removeMark : function (data) { | |
| 499 data.marks.pop(); | |
| 500 redisplay(data); | |
| 501 }, | |
| 502 | |
| 503 // mirror the image | |
| 504 mirror : function (data, mode) { | |
| 505 var flags = data.scalerFlags; | |
| 506 if (mode === 'h') { | |
| 507 if (flags.hmir) { | |
| 508 delete flags.hmir; | |
| 509 } else { | |
| 510 flags.hmir = 1; | |
| 511 } | |
| 512 } else { | |
| 513 if (flags.vmir) { | |
| 514 delete flags.vmir; | |
| 515 } else { | |
| 516 flags.vmir = 1; | |
| 517 } | |
| 518 } | |
| 519 redisplay(data); | |
| 520 }, | |
| 650 | 521 |
| 668 | 522 // rotate the image |
| 523 rotate : function (data, angle) { | |
| 524 var rot = data.settings.rot; | |
| 525 if (angle == null) { | |
| 526 angle = window.prompt("Rotation angle:", rot); | |
| 527 } | |
| 528 data.settings.rot = angle; | |
| 529 redisplay(data); | |
| 530 }, | |
| 531 | |
| 532 // change brightness | |
| 533 brightness : function (data, factor) { | |
| 534 var brgt = data.settings.brgt; | |
| 535 if (factor == null) { | |
| 536 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 537 } | |
| 538 data.settings.brgt = factor; | |
| 539 redisplay(data); | |
| 540 }, | |
| 541 | |
| 542 // change contrast | |
| 543 contrast : function (data, factor) { | |
| 544 var cont = data.settings.cont; | |
| 545 if (factor == null) { | |
| 546 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 547 } | |
| 548 data.settings.cont = factor; | |
| 549 redisplay(data); | |
| 688 | 550 }, |
| 710 | 551 |
| 690 | 552 // display more (or less) button sets |
| 748 | 553 moreButtons : function (data, more) { |
| 696 | 554 var settings = data.settings; |
| 699 | 555 if (more == null) { |
| 703 | 556 // toggle more or less (only works for 2 sets) |
| 699 | 557 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 558 if (settings.visibleButtonSets >= maxbtns) { | |
| 559 more = '-1'; | |
| 560 } else { | |
| 561 more = '+1'; | |
| 562 } | |
| 563 } | |
| 690 | 564 if (more === '-1') { |
| 565 // remove set | |
| 697 | 566 var setIdx = settings.visibleButtonSets - 1; |
| 567 if (showButtons(data, false, setIdx, true)) { | |
| 568 settings.visibleButtonSets--; | |
| 569 } | |
| 690 | 570 } else { |
| 571 // add set | |
| 697 | 572 var setIdx = settings.visibleButtonSets; |
| 573 if (showButtons(data, true, setIdx, true)) { | |
| 574 settings.visibleButtonSets++; | |
| 690 | 575 } |
| 576 } | |
| 723 | 577 // persist setting |
| 578 storeOptions(data); | |
| 691 | 579 }, |
| 688 | 580 |
| 703 | 581 // reset image parameters to defaults |
| 688 | 582 reset : function (data) { |
| 583 var settings = data.settings; | |
| 584 var paramNames = settings.digilibParamNames; | |
| 585 var params = data.queryParams; | |
| 586 // delete all digilib parameters | |
| 587 for (var i = 0; i < paramNames.length; i++) { | |
| 588 var paramName = paramNames[i]; | |
| 589 delete settings[paramName]; | |
|
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590 } |
|
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591 settings.fn = params.fn || ''; // no default defined |
|
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592 settings.pn = params.pn || defaults.pn; |
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593 settings.dw = params.dw; |
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594 settings.dh = params.dh; |
| 709 | 595 settings.isBirdDivVisible = false; |
| 596 settings.visibleButtonSets = 1; | |
|
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597 // resets zoomArea, marks, scalerflags |
|
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598 data.zoomArea = FULL_AREA; |
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599 data.marks = []; |
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600 data.scalerFlags = {}; |
| 712 | 601 delete data.dlOpts.fitwidth; |
| 602 delete data.dlOpts.fitheight; | |
| 688 | 603 redisplay(data); |
| 689 | 604 }, |
| 605 | |
| 703 | 606 // presents a reference url (returns value if noprompt) |
| 607 reference : function (data, noprompt) { | |
| 689 | 608 var settings = data.settings; |
| 744 | 609 var url = getDigilibUrl(data); |
| 703 | 610 if (noprompt == null) { |
| 611 window.prompt("URL reference to the current view", url); | |
| 612 } | |
| 613 return url; | |
| 614 }, | |
| 710 | 615 |
| 703 | 616 // set image quality |
| 748 | 617 setQuality : function (data, qual) { |
| 703 | 618 var oldq = getQuality(data); |
| 619 if (qual == null) { | |
| 620 qual = window.prompt("Image quality (0..2)", oldq); | |
| 621 } | |
| 622 qual = parseInt(qual, 10); | |
| 623 if (qual >= 0 && qual <= 2) { | |
| 624 setQuality(data, qual); | |
| 625 redisplay(data); | |
| 626 } | |
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627 }, |
|
760
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primitive plugin extension mechanism - unsure how useful this is
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|
628 |
|
754
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|
629 // calibrate (only faking) |
|
772
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original size mode works with zoom area now. needs error handling.
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|
630 calibrate : function (data, res) { |
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|
631 var oldRes = data.settings.ddpi; |
|
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632 if (res == null) { |
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633 res = window.prompt("Display resolution (dpi)", oldRes); |
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634 } |
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635 if (res != null) { |
|
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|
636 data.settings.ddpi = res; |
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|
637 redisplay(data); |
|
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|
638 } |
|
760
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primitive plugin extension mechanism - unsure how useful this is
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|
639 }, |
| 775 | 640 |
|
761
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added setScaleMode. no compensation for change in scaling yet.
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641 // set image scale mode |
|
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642 setScaleMode : function (data, mode) { |
|
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643 var oldM = getScaleMode(data); |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
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644 if (mode == null) { |
|
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added setScaleMode. no compensation for change in scaling yet.
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645 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
|
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646 } |
|
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647 if (mode != null) { |
|
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648 setScaleMode(data, mode); |
|
763
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649 data.scaleMode = mode; |
|
761
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650 redisplay(data); |
|
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651 } |
|
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652 } |
| 775 | 653 |
|
763
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654 // end of actions |
| 605 | 655 }; |
| 604 | 656 |
| 608 | 657 // returns parameters from page url |
| 607 | 658 var parseQueryParams = function() { |
| 636 | 659 return parseQueryString(window.location.search.slice(1)); |
| 660 }; | |
| 655 | 661 |
| 636 | 662 // returns parameters from embedded img-element |
| 607 | 663 var parseImgParams = function($elem) { |
|
613
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664 var src = $elem.find('img').first().attr('src'); |
| 710 | 665 if (!src) return null; |
| 607 | 666 var pos = src.indexOf('?'); |
| 667 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 668 var scalerUrl = src.substring(0, pos); | |
| 627 | 669 var params = parseQueryString(query); |
| 670 params.scalerBaseUrl = scalerUrl; | |
| 671 return params; | |
| 636 | 672 }; |
| 607 | 673 |
| 608 | 674 // parses query parameter string into parameter object |
| 607 | 675 var parseQueryString = function(query) { |
| 701 | 676 var params = {}; |
| 677 if (query == null) return params; | |
| 607 | 678 var pairs = query.split("&"); |
| 636 | 679 //var keys = []; |
| 607 | 680 for (var i = 0; i < pairs.length; i++) { |
| 681 var pair = pairs[i].split("="); | |
| 682 if (pair.length === 2) { | |
| 627 | 683 params[pair[0]] = pair[1]; |
| 636 | 684 //keys.push(pair[0]); |
| 634 | 685 } |
| 636 | 686 } |
| 627 | 687 return params; |
| 636 | 688 }; |
| 668 | 689 |
| 643 | 690 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 691 var getParamString = function (settings, keys, defaults) { | |
| 615 | 692 var paramString = ''; |
| 650 | 693 var nx = false; |
| 615 | 694 for (i = 0; i < keys.length; ++i) { |
| 695 var key = keys[i]; | |
| 663 | 696 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 697 // first param gets no '&' |
| 650 | 698 if (nx) { |
| 699 paramString += '&'; | |
| 700 } else { | |
| 701 nx = true; | |
| 702 } | |
| 615 | 703 // add parm=val |
| 704 paramString += key + '=' + settings[key]; | |
| 643 | 705 } |
| 615 | 706 } |
| 707 return paramString; | |
| 631 | 708 }; |
| 709 | |
| 636 | 710 // returns URL and query string for Scaler |
| 711 var getScalerUrl = function (data) { | |
| 741 | 712 packParams(data); |
| 653 | 713 var settings = data.settings; |
| 652 | 714 if (settings.scalerBaseUrl == null) { |
| 715 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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|
716 } |
| 636 | 717 var keys = settings.scalerParamNames; |
| 643 | 718 var queryString = getParamString(settings, keys, defaults); |
| 636 | 719 var url = settings.scalerBaseUrl + '?' + queryString; |
| 720 return url; | |
| 721 }; | |
| 722 | |
| 741 | 723 // returns URL for bird's eye view image |
| 743 | 724 var getBirdImgUrl = function (data, moreParams) { |
| 741 | 725 var settings = data.settings; |
| 726 var birdDivOptions = { | |
| 727 dw : settings.birdDivWidth, | |
| 728 dh : settings.birdDivHeight | |
| 729 }; | |
| 785 | 730 var birdSettings = $.extend({}, settings, birdDivOptions); |
| 741 | 731 // use only the relevant parameters |
| 743 | 732 if (moreParams == null) { |
| 733 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 734 } else { | |
| 767 | 735 // filter scaler flags |
| 736 if (birdSettings.mo != null) { | |
| 737 var mo = ''; | |
| 738 if (data.scalerFlags.hmir != null) { | |
| 739 mo += 'hmir,'; | |
| 740 } | |
| 741 if (data.scalerFlags.vmir != null) { | |
| 742 mo += 'vmir'; | |
| 743 } | |
| 744 birdSettings.mo = mo; | |
| 745 } | |
| 743 | 746 var params = getParamString(birdSettings, |
| 747 settings.birdDivParams.concat(moreParams), defaults); | |
| 748 } | |
| 749 var url = settings.scalerBaseUrl + '?' + params; | |
| 741 | 750 return url; |
| 751 }; | |
|
745
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move birdview zoom indicator along with zoom drag
hertzhaft
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diff
changeset
|
752 |
| 636 | 753 // returns URL and query string for current digilib |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
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diff
changeset
|
754 var getDigilibUrl = function (data) { |
| 643 | 755 packParams(data); |
| 636 | 756 var settings = data.settings; |
|
644
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robcast
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diff
changeset
|
757 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 744 | 758 return settings.digilibBaseUrl + '?' + queryString; |
| 636 | 759 }; |
| 760 | |
| 767 | 761 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 762 var loadImageInfo = function (data, complete) { | |
|
754
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reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
763 var settings = data.settings; |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
764 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
765 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
|
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diff
changeset
|
766 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 767 | 767 // TODO: better error handling |
| 785 | 768 $.getJSON(url, function (json) { |
|
754
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robcast
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diff
changeset
|
769 console.debug("got json data=", json); |
|
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
770 data.imgInfo = json; |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
771 if (complete != null) { |
|
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diff
changeset
|
772 complete.call(this, data, json); |
|
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diff
changeset
|
773 } |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
774 }); |
|
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diff
changeset
|
775 }; |
| 775 | 776 |
| 655 | 777 // processes some parameters into objects and stuff |
| 631 | 778 var unpackParams = function (data) { |
| 779 var settings = data.settings; | |
| 636 | 780 // zoom area |
| 631 | 781 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 782 data.zoomArea = zoomArea; |
| 636 | 783 // marks |
| 631 | 784 var marks = []; |
| 650 | 785 if (settings.mk) { |
| 786 var mk = settings.mk; | |
| 787 if (mk.indexOf(";") >= 0) { | |
| 788 var pa = mk.split(";"); // old format with ";" | |
| 789 } else { | |
| 790 var pa = mk.split(","); // new format | |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
791 } |
| 650 | 792 for (var i = 0; i < pa.length ; i++) { |
| 793 var pos = pa[i].split("/"); | |
| 794 if (pos.length > 1) { | |
| 795 marks.push(geom.position(pos[0], pos[1])); | |
|
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796 } |
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797 } |
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798 } |
| 643 | 799 data.marks = marks; |
| 650 | 800 // mo (Scaler flags) |
| 801 var flags = {}; | |
| 802 if (settings.mo) { | |
| 803 var pa = settings.mo.split(","); | |
| 804 for (var i = 0; i < pa.length ; i++) { | |
| 805 flags[pa[i]] = pa[i]; | |
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806 } |
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807 } |
| 650 | 808 data.scalerFlags = flags; |
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809 data.scaleMode = getScaleMode(data); |
| 723 | 810 retrieveOptions(data); |
| 655 | 811 }; |
| 812 | |
| 631 | 813 // put objects back into parameters |
| 814 var packParams = function (data) { | |
| 815 var settings = data.settings; | |
| 636 | 816 // zoom area |
| 643 | 817 if (data.zoomArea) { |
| 647 | 818 settings.wx = cropFloat(data.zoomArea.x); |
| 819 settings.wy = cropFloat(data.zoomArea.y); | |
| 820 settings.ww = cropFloat(data.zoomArea.width); | |
| 821 settings.wh = cropFloat(data.zoomArea.height); | |
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822 } |
| 636 | 823 // marks |
| 643 | 824 if (data.marks) { |
| 650 | 825 settings.mk = ''; |
| 643 | 826 for (var i = 0; i < data.marks.length; i++) { |
| 650 | 827 if (i) { |
| 828 settings.mk += ','; | |
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829 } |
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830 settings.mk += cropFloat(data.marks[i].x).toString() + |
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831 '/' + cropFloat(data.marks[i].y).toString(); |
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832 } |
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833 } |
| 650 | 834 // Scaler flags |
| 835 if (data.scalerFlags) { | |
| 836 var mo = ''; | |
| 837 for (var f in data.scalerFlags) { | |
| 838 if (mo) { | |
| 839 mo += ','; | |
| 840 } | |
| 841 mo += f; | |
| 842 } | |
| 843 settings.mo = mo; | |
| 844 } | |
| 710 | 845 // user interface options |
| 723 | 846 storeOptions(data); |
| 709 | 847 }; |
| 688 | 848 |
| 723 | 849 var storeOptions = function (data) { |
| 701 | 850 // save digilib options in cookie |
| 709 | 851 var settings = data.settings; |
| 852 if (data.dlOpts) { | |
| 853 // save digilib settings in options | |
| 854 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 855 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 856 var clop = ''; | |
| 857 for (var o in data.dlOpts) { | |
| 858 if (clop) { | |
| 859 clop += '&'; | |
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860 } |
| 709 | 861 clop += o + '=' + data.dlOpts[o]; |
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862 } |
| 785 | 863 if ($.cookie) { |
| 709 | 864 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; |
| 865 console.debug("set cookie=", ck, " value=", clop); | |
| 785 | 866 $.cookie(ck, clop); |
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867 } |
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868 } |
| 785 | 869 if (settings.interactionMode !== 'fullscreen' && $.cookie) { |
| 727 | 870 // store normal parameters in cookie for embedded mode |
| 871 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 872 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 873 console.debug("set cookie=", ck, " value=", qs); | |
| 785 | 874 $.cookie(ck, qs); |
| 727 | 875 } |
| 631 | 876 }; |
| 655 | 877 |
| 723 | 878 var retrieveOptions = function (data) { |
| 709 | 879 // clop (digilib options) |
| 880 var opts = {}; | |
| 881 var settings = data.settings; | |
| 785 | 882 if ($.cookie) { |
| 709 | 883 // read from cookie |
| 884 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 785 | 885 var cp = $.cookie(ck); |
| 709 | 886 console.debug("get cookie=", ck, " value=", cp); |
| 887 // in query string format | |
| 888 opts = parseQueryString(cp); | |
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889 } |
| 709 | 890 data.dlOpts = opts; |
| 891 // birdview option | |
| 892 if (opts.birdview != null) { | |
| 893 settings.isBirdDivVisible = opts.birdview === '1'; | |
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894 } |
| 709 | 895 // visible button sets |
| 896 if (opts.buttons != null) { | |
| 897 settings.visibleButtonSets = opts.buttons; | |
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898 } |
| 711 | 899 }; |
| 709 | 900 |
| 622 | 901 // (re)load the img from a new scaler URL |
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902 var redisplay = function (data) { |
| 636 | 903 var settings = data.settings; |
| 904 if (settings.interactionMode === 'fullscreen') { | |
| 905 // update location.href (browser URL) in fullscreen mode | |
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906 var url = getDigilibUrl(data); |
| 636 | 907 var history = window.history; |
| 908 if (typeof(history.pushState) === 'function') { | |
| 909 console.debug("we could modify history, but we don't..."); | |
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910 } |
| 636 | 911 window.location = url; |
| 912 } else { | |
| 913 // embedded mode -- just change img src | |
| 914 var url = getScalerUrl(data); | |
| 915 data.$img.attr('src', url); | |
| 726 | 916 // redisplay bird img |
| 917 updateBirdDiv(data); | |
| 765 | 918 highlightButtons(data); |
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919 } |
| 622 | 920 }; |
| 921 | |
| 767 | 922 // update display (overlays etc.) |
| 923 var updateDisplay = function (data) { | |
| 924 updateImgTrafo(data); | |
| 925 renderMarks(data); | |
| 926 setupZoomDrag(data); | |
| 927 if (data.settings.isBirdDivVisible) { | |
| 928 renderBirdArea(data); | |
| 929 setupBirdDrag(data); | |
| 930 } | |
| 784 | 931 // send event |
| 932 $(data).trigger('update'); | |
| 767 | 933 }; |
| 775 | 934 |
| 662 | 935 // returns maximum size for scaler img in fullscreen mode |
| 778 | 936 var getFullscreenImgSize = function (data) { |
| 662 | 937 var $win = $(window); |
| 938 var winH = $win.height(); | |
| 779 | 939 var winW = $win.width(); |
| 940 var $body = $('body'); | |
| 780 | 941 // include standard body margins |
| 942 var borderW = $body.outerWidth(true) - $body.width(); | |
| 943 var borderH = $body.outerHeight(true) - $body.height(); | |
| 779 | 944 // get width of first button div |
| 945 var buttonsW = 0; | |
| 946 if (data.$buttonSets) { | |
| 947 buttonsW = data.$buttonSets[0].outerWidth(); | |
| 948 } | |
| 949 // account for left/right border, body margins and additional requirements | |
| 780 | 950 var calcW = winW - borderW - buttonsW - data.settings.scalerInset; |
| 951 var calcH = winH - borderH; | |
| 952 console.debug(winW, winH, 'winW:', $win.width(), 'border:', borderW, 'buttonsW:', buttonsW, 'calc:', calcW); | |
| 953 return geom.size(calcW, calcH); | |
| 662 | 954 }; |
| 955 | |
| 608 | 956 // creates HTML structure for digilib in elem |
| 627 | 957 var setupScalerDiv = function (data) { |
| 958 var settings = data.settings; | |
| 647 | 959 var $elem = data.$elem; |
| 725 | 960 $elem.addClass('digilib'); |
| 728 | 961 var $img; |
| 962 var scalerUrl; | |
| 608 | 963 if (settings.interactionMode === 'fullscreen') { |
| 728 | 964 // fullscreen |
| 725 | 965 $elem.addClass('dl_fullscreen'); |
| 778 | 966 var imgSize = getFullscreenImgSize(data); |
| 650 | 967 // fitwidth/height omits destination height/width |
| 728 | 968 if (data.dlOpts.fitheight == null) { |
| 650 | 969 settings.dw = imgSize.width; |
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970 } |
| 728 | 971 if (data.dlOpts.fitwidth == null) { |
| 650 | 972 settings.dh = imgSize.height; |
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973 } |
| 686 | 974 scalerUrl = getScalerUrl(data); |
| 728 | 975 $img = $('<img/>'); |
| 609 | 976 } else { |
| 728 | 977 // embedded mode -- try to keep img tag |
| 725 | 978 $elem.addClass('dl_embedded'); |
| 728 | 979 scalerUrl = getScalerUrl(data); |
| 623 | 980 $img = $elem.find('img'); |
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981 if ($img.length > 0) { |
| 728 | 982 oldUrl = $img.attr('src'); |
| 983 if (oldUrl === scalerUrl) { | |
| 984 console.debug("img detach:", $img); | |
| 985 $img.detach(); | |
| 986 } else { | |
| 987 $img = $('<img/>'); | |
| 988 } | |
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989 } else { |
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990 $img = $('<img/>'); |
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991 } |
| 608 | 992 } |
| 779 | 993 // create new inner html, keep buttons |
| 994 $elem.contents(":not(div.buttons)").remove(); | |
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995 var $scaler = $('<div class="scaler"/>'); |
| 779 | 996 // scaler should be the first child element? |
| 997 $elem.prepend($scaler); | |
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998 $scaler.append($img); |
| 622 | 999 $img.addClass('pic'); |
| 649 | 1000 data.$scaler = $scaler; |
| 636 | 1001 data.$img = $img; |
| 687 | 1002 // setup image load handler before setting the src attribute (IE bug) |
| 1003 $img.load(scalerImgLoadedHandler(data)); | |
| 767 | 1004 $img.error(function () {console.error("error loading scaler image");}); |
| 687 | 1005 $img.attr('src', scalerUrl); |
| 608 | 1006 }; |
| 615 | 1007 |
| 610 | 1008 // creates HTML structure for buttons in elem |
| 697 | 1009 var createButtons = function (data, buttonSetIdx) { |
| 647 | 1010 var $elem = data.$elem; |
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1011 var settings = data.settings; |
| 665 | 1012 var mode = settings.interactionMode; |
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1013 var buttonSettings = settings.buttonSettings[mode]; |
| 682 | 1014 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 690 | 1015 if (buttonGroup == null) { |
| 1016 // no buttons here | |
| 1017 return; | |
| 1018 } | |
| 1019 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 682 | 1020 var buttonNames = buttonSettings[buttonGroup]; |
| 1021 for (var i = 0; i < buttonNames.length; i++) { | |
| 1022 var buttonName = buttonNames[i]; | |
| 1023 var buttonConfig = settings.buttons[buttonName]; | |
| 665 | 1024 // construct the button html |
| 1025 var $button = $('<div class="button"></div>'); | |
| 1026 var $a = $('<a/>'); | |
| 1027 var $img = $('<img class="button"/>'); | |
| 1028 $buttonsDiv.append($button); | |
| 1029 $button.append($a); | |
| 1030 $a.append($img); | |
| 1031 // add attributes and bindings | |
| 1032 $button.attr('title', buttonConfig.tooltip); | |
| 682 | 1033 $button.addClass('button-' + buttonName); |
| 665 | 1034 // create handler for the buttons |
| 1035 $a.bind('click.digilib', (function () { | |
| 1036 // we create a new closure to capture the value of action | |
| 1037 var action = buttonConfig.onclick; | |
| 1038 if ($.isArray(action)) { | |
| 1039 // the handler function calls digilib with action and parameters | |
| 1040 return function (evt) { | |
| 1041 console.debug('click action=', action, ' evt=', evt); | |
| 1042 $elem.digilib.apply($elem, action); | |
| 1043 return false; | |
| 1044 }; | |
| 1045 } else { | |
| 1046 // the handler function calls digilib with action | |
| 1047 return function (evt) { | |
| 1048 console.debug('click action=', action, ' evt=', evt); | |
| 1049 $elem.digilib(action); | |
| 1050 return false; | |
| 1051 }; | |
| 1052 } | |
| 1053 })()); | |
| 765 | 1054 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 690 | 1055 } |
| 662 | 1056 // make buttons div scroll if too large for window |
| 1057 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1058 $buttonsDiv.css('position', 'absolute'); | |
| 1059 } | |
| 697 | 1060 // buttons hidden at first |
| 1061 $buttonsDiv.hide(); | |
| 1062 $elem.append($buttonsDiv); | |
| 682 | 1063 if (data.$buttonSets == null) { |
| 697 | 1064 // first button set |
| 682 | 1065 data.$buttonSets = [$buttonsDiv]; |
| 1066 } else { | |
| 690 | 1067 $elem.append($buttonsDiv); |
| 682 | 1068 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1069 } | |
| 612 | 1070 return $buttonsDiv; |
| 610 | 1071 }; |
| 615 | 1072 |
| 1073 // creates HTML structure for the bird's eye view in elem | |
| 638 | 1074 var setupBirdDiv = function (data) { |
| 647 | 1075 var $elem = data.$elem; |
| 615 | 1076 // the bird's eye div |
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1077 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 615 | 1078 // the detail indicator frame |
| 726 | 1079 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 615 | 1080 // the small image |
| 1081 var $birdImg = $('<img class="birdimg"/>'); | |
| 723 | 1082 data.$birdDiv = $birdDiv; |
| 1083 data.$birdZoom = $birdZoom; | |
| 1084 data.$birdImg = $birdImg; | |
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1085 $elem.append($birdDiv); |
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1086 $birdDiv.append($birdZoom); |
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1087 $birdDiv.append($birdImg); |
| 775 | 1088 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 723 | 1089 var birdUrl = getBirdImgUrl(data); |
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1090 $birdImg.load(birdImgLoadedHandler(data)); |
| 767 | 1091 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 723 | 1092 $birdImg.attr('src', birdUrl); |
| 1093 }; | |
| 1094 | |
| 1095 // update bird's eye view | |
| 1096 var updateBirdDiv = function (data) { | |
| 1097 if (!data.settings.isBirdDivVisible) return; | |
| 1098 var $birdImg = data.$birdImg; | |
| 1099 var oldsrc = $birdImg.attr('src'); | |
| 1100 var newsrc = getBirdImgUrl(data); | |
| 1101 if (oldsrc !== newsrc) { | |
| 1102 $birdImg.attr('src', newsrc); | |
| 1103 // onload handler re-renders | |
| 1104 } else { | |
| 1105 // re-render | |
| 1106 renderBirdArea(data); | |
| 730 | 1107 // enable click and drag |
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1108 setupBirdDrag(data); |
| 723 | 1109 } |
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1110 }; |
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1111 |
| 625 | 1112 // creates HTML structure for the about view in elem |
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1113 var setupAboutDiv = function (data) { |
| 647 | 1114 var $elem = data.$elem; |
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1115 var settings = data.settings; |
| 625 | 1116 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 616 | 1117 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1118 var $link = $('<a/>'); | |
| 1119 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1120 var $content = $('<p/>'); | |
| 1121 $elem.append($aboutDiv); | |
| 1122 $aboutDiv.append($header); | |
| 1123 $aboutDiv.append($link); | |
| 1124 $aboutDiv.append($content); | |
| 1125 $link.append($logo); | |
| 1126 $logo.attr('src', settings.logoUrl); | |
| 635 | 1127 $link.attr('href', settings.homeUrl); |
| 616 | 1128 $content.text('Version: ' + settings.version); |
| 775 | 1129 data.$aboutDiv = $aboutDiv; |
| 635 | 1130 // click hides |
| 775 | 1131 $aboutDiv.bind('click.digilib', function () { |
| 1132 actions['showAboutDiv'](data, false); | |
| 710 | 1133 }); |
| 634 | 1134 }; |
| 1135 | |
| 635 | 1136 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1137 var showDiv = function (isVisible, $div, show) { | |
| 645 | 1138 if (show == null) { |
| 635 | 1139 // toggle visibility |
| 1140 isVisible = !isVisible; | |
| 1141 } else { | |
| 1142 // set visibility | |
| 1143 isVisible = show; | |
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1144 } |
| 635 | 1145 if (isVisible) { |
| 1146 $div.fadeIn(); | |
| 1147 } else { | |
| 1148 $div.fadeOut(); | |
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1149 } |
| 635 | 1150 return isVisible; |
| 634 | 1151 }; |
| 616 | 1152 |
| 697 | 1153 // display more (or less) button sets |
| 1154 var showButtons = function (data, more, setIdx, animated) { | |
| 711 | 1155 var atime = animated ? 'fast': 0; |
| 697 | 1156 if (more) { |
| 1157 // add set | |
| 1158 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1159 var $set; | |
| 1160 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1161 // set exists | |
| 1162 $set = data.$buttonSets[setIdx]; | |
| 1163 } else { | |
| 1164 $set = createButtons(data, setIdx); | |
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1165 } |
| 697 | 1166 if ($set == null) return false; |
| 765 | 1167 // include border in calculation |
| 1168 var btnWidth = $set.outerWidth(); | |
| 779 | 1169 // console.debug("btnWidth", btnWidth); |
| 697 | 1170 // move remaining sets left and show new set |
| 711 | 1171 if ($otherSets.length > 0) { |
| 1172 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1173 function () {$set.show();}); | |
| 697 | 1174 } else { |
| 1175 $set.show(); | |
| 711 | 1176 } |
| 697 | 1177 } else { |
| 1178 // remove set | |
| 1179 var $set = data.$buttonSets[setIdx]; | |
| 1180 if ($set == null) return false; | |
| 779 | 1181 var btnWidth = $set.outerWidth(); |
| 697 | 1182 // hide last set |
| 1183 $set.hide(); | |
| 1184 // take remaining sets and move right | |
| 1185 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 711 | 1186 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1187 } | |
| 697 | 1188 return true; |
| 1189 }; | |
| 1190 | |
| 765 | 1191 // check for buttons to highlight |
| 1192 var highlightButtons = function (data, name, on) { | |
| 1193 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1194 // add a class for highlighted button | |
| 1195 var highlight = function (name, on) { | |
| 1196 var $button = $buttons.find('div.button-' + name); | |
| 1197 if (on) { | |
| 1198 $button.addClass('button-on'); | |
| 1199 } else { | |
| 1200 $button.removeClass('button-on'); | |
| 1201 } | |
| 1202 }; | |
| 1203 if (name != null) { | |
| 1204 return highlight(name, on); | |
| 1205 } | |
| 1206 var flags = data.scalerFlags; | |
| 1207 var settings = data.settings; | |
| 1208 highlight('rot', settings.rot); | |
| 1209 highlight('brgt', settings.brgt); | |
| 1210 highlight('cont', settings.cont); | |
| 1211 highlight('bird', settings.isBirdDivVisible); | |
| 1212 highlight('help', settings.isAboutDivVisible); | |
| 1213 highlight('hmir', flags.hmir); | |
| 1214 highlight('vmir', flags.vmir); | |
| 766 | 1215 highlight('quality', flags.q1 || flags.q2); |
| 765 | 1216 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1217 }; | |
| 775 | 1218 |
|
658
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split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1219 // create Transform from area and $img |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1220 var getImgTrafo = function ($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
|
1221 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
|
1222 if (mode != null) { |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1223 var imgInfo = data.imgInfo; |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1224 if (mode === 'pixel') { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1225 // 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
|
1226 if (imgInfo != null) { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1227 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
|
1228 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
|
1229 } else { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1230 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
|
1231 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1232 } |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1233 if (mode === 'size') { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1234 // 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
|
1235 if (imgInfo != null) { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1236 var ddpi = parseFloat(data.settings.ddpi); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1237 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
|
1238 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
|
1239 } else { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1240 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
|
1241 } |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1242 } |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1243 } |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
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656
diff
changeset
|
1244 var trafo = geom.transform(); |
| 675 | 1245 // 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
|
1246 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1247 // 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
|
1248 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1249 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1250 if (rot || hmir || vmir) { | |
| 1251 // move [0.5,0.5] to center | |
| 1252 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1253 if (hmir) { | |
| 1254 // mirror about center | |
| 1255 trafo.concat(trafo.getMirror('y')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1256 } |
| 675 | 1257 if (vmir) { |
| 1258 // mirror about center | |
| 1259 trafo.concat(trafo.getMirror('x')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1260 } |
| 675 | 1261 if (rot) { |
| 1262 // rotate around center | |
| 1263 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1264 } |
| 675 | 1265 // move back |
| 1266 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
|
1267 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1268 // 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
|
1269 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
|
1270 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
|
1271 return trafo; |
| 655 | 1272 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1273 |
| 767 | 1274 // update scaler image transform |
| 1275 var updateImgTrafo = function (data) { | |
| 1276 var $img = data.$img; | |
| 1277 if ($img != null && $img.get(0).complete) { | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1278 // create Transform from current zoomArea and image size |
| 675 | 1279 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1280 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
|
1281 data.scaleMode, data); |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1282 // console.debug("imgTrafo=", data.imgTrafo); |
| 767 | 1283 } |
| 1284 }; | |
| 775 | 1285 |
| 767 | 1286 // returns function for load event of scaler img |
| 1287 var scalerImgLoadedHandler = function (data) { | |
| 1288 return function () { | |
| 1289 var $img = $(this); | |
| 1290 console.debug("scaler img loaded=",$img); | |
| 1291 var $scaler = data.$scaler; | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1292 var imgRect = geom.rectangle($img); |
| 733 | 1293 // adjust scaler div size |
| 738 | 1294 imgRect.adjustDiv($scaler); |
| 715 | 1295 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1296 $img.css('visibility', 'visible'); |
| 741 | 1297 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1298 // update display (render marks, etc.) |
| 1299 updateDisplay(data); | |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1300 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1301 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1302 |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1303 // returns function for load event of bird's eye view img |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1304 var birdImgLoadedHandler = function (data) { |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1305 return function () { |
| 755 | 1306 var $birdImg = $(this); |
| 1307 var birdRect = geom.rectangle($birdImg); | |
| 1308 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1309 if (birdRect.width === 0) { | |
| 1310 // malheureusement IE7 calls load handler when there is no size info yet | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1311 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 755 | 1312 } |
| 767 | 1313 // update display (zoom area indicator) |
| 1314 updateDisplay(data); | |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1315 }; |
|
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1316 }; |
| 633 | 1317 |
| 1318 // place marks on the image | |
| 1319 var renderMarks = function (data) { | |
| 767 | 1320 if (data.$img == null || data.imgTrafo == null) return; |
| 1321 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 647 | 1322 var $elem = data.$elem; |
| 643 | 1323 var marks = data.marks; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1324 // clear marks |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1325 $elem.find('div.mark').remove(); |
| 633 | 1326 for (var i = 0; i < marks.length; i++) { |
| 1327 var mark = marks[i]; | |
| 643 | 1328 if (data.zoomArea.containsPosition(mark)) { |
| 633 | 1329 var mpos = data.imgTrafo.transform(mark); |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1330 console.debug("renderMarks: mpos=",mpos); |
| 633 | 1331 // create mark |
| 1332 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1333 var $mark = $(html); | |
| 1334 $elem.append($mark); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1335 mpos.adjustDiv($mark); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1336 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1337 } |
| 633 | 1338 }; |
| 655 | 1339 |
|
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1340 // show zoom area indicator on bird's eye view |
| 723 | 1341 var renderBirdArea = function (data) { |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1342 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1343 var $birdZoom = data.$birdZoom; |
| 659 | 1344 var zoomArea = data.zoomArea; |
| 723 | 1345 var normalSize = isFullArea(zoomArea); |
| 1346 if (normalSize) { | |
| 1347 $birdZoom.hide(); | |
| 1348 return; | |
| 1349 } else { | |
| 1350 $birdZoom.show(); | |
| 1351 } | |
| 755 | 1352 // create Transform from current area and picsize |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1353 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 738 | 1354 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 755 | 1355 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 741 | 1356 // acount for border width |
| 775 | 1357 var bw = getBorderWidth($birdZoom); |
| 1358 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1359 if (data.settings.interactionMode === 'fullscreen') { |
|
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1360 // no animation for fullscreen |
| 738 | 1361 zoomRect.adjustDiv($birdZoom); |
| 723 | 1362 } else { |
| 1363 // nice animation for embedded mode :-) | |
| 741 | 1364 // correct offsetParent because animate doesn't use offset |
| 726 | 1365 var ppos = $birdZoom.offsetParent().offset(); |
| 738 | 1366 var dest = { |
| 755 | 1367 left : (zoomRect.x - ppos.left) + 'px', |
| 1368 top : (zoomRect.y - ppos.top) + 'px', | |
| 1369 width : zoomRect.width, | |
| 1370 height : zoomRect.height | |
| 1371 }; | |
| 738 | 1372 $birdZoom.animate(dest); |
| 723 | 1373 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1374 }; |
| 659 | 1375 |
| 647 | 1376 // zooms by the given factor |
| 643 | 1377 var zoomBy = function(data, factor) { |
| 1378 var area = data.zoomArea; | |
| 1379 var newarea = area.copy(); | |
| 1380 // scale | |
| 1381 newarea.width /= factor; | |
| 1382 newarea.height /= factor; | |
| 1383 // and recenter | |
| 1384 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1385 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1386 newarea = FULL_AREA.fit(newarea); |
| 643 | 1387 data.zoomArea = newarea; |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1388 redisplay(data); |
| 643 | 1389 }; |
| 1390 | |
| 647 | 1391 // add a mark where clicked |
| 1392 var setMark = function (data) { | |
| 649 | 1393 var $scaler = data.$scaler; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1394 // unbind other handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1395 $scaler.unbind(".dlZoomDrag"); |
| 647 | 1396 // start event capturing |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1397 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 647 | 1398 // event handler adding a new mark |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1399 console.log("setmark at=", evt); |
|
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1400 var mpos = geom.position(evt); |
| 647 | 1401 var pos = data.imgTrafo.invtransform(mpos); |
| 1402 data.marks.push(pos); | |
| 1403 redisplay(data); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1404 return false; |
| 647 | 1405 }); |
| 1406 }; | |
| 668 | 1407 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1408 // zoom to the area around two clicked points |
| 654 | 1409 var zoomArea = function(data) { |
| 1410 $elem = data.$elem; | |
| 1411 $scaler = data.$scaler; | |
| 1412 var pt1, pt2; | |
| 1413 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1414 $elem.append($zoomDiv); | |
| 775 | 1415 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 654 | 1416 var picRect = geom.rectangle($scaler); |
| 1417 // FIX ME: is there a way to query the border width from CSS info? | |
| 1418 // rect.x -= 2; // account for overlay borders | |
| 1419 // rect.y -= 2; | |
| 1420 | |
| 1421 var zoomStart = function (evt) { | |
| 1422 pt1 = geom.position(evt); | |
| 1423 // setup and show zoom div | |
| 738 | 1424 pt1.adjustDiv($zoomDiv); |
| 668 | 1425 $zoomDiv.width(0).height(0); |
| 654 | 1426 $zoomDiv.show(); |
| 1427 // register events | |
| 738 | 1428 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1429 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1430 return false; |
| 1431 }; | |
| 668 | 1432 |
| 741 | 1433 // mouse move handler |
| 1434 var zoomMove = function (evt) { | |
| 1435 pt2 = geom.position(evt); | |
| 1436 var rect = geom.rectangle(pt1, pt2); | |
| 1437 rect.clipTo(picRect); | |
| 1438 // update zoom div | |
| 1439 rect.adjustDiv($zoomDiv); | |
| 1440 return false; | |
| 1441 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
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diff
changeset
|
1442 |
| 654 | 1443 // mouseup handler: end moving |
| 1444 var zoomEnd = function (evt) { | |
| 1445 pt2 = geom.position(evt); | |
| 1446 // assume a click and continue if the area is too small | |
| 1447 var clickRect = geom.rectangle(pt1, pt2); | |
| 710 | 1448 if (clickRect.getArea() <= 5) return false; |
| 654 | 1449 // hide zoom div |
| 1450 $zoomDiv.remove(); | |
| 1451 // unregister events | |
| 738 | 1452 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1453 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1454 // clip and transform |
| 1455 clickRect.clipTo(picRect); | |
| 1456 var area = data.imgTrafo.invtransform(clickRect); | |
| 1457 data.zoomArea = area; | |
| 1458 // zoomed is always fit | |
| 1459 data.settings.ws = 1; | |
| 738 | 1460 delete data.dlOpts.fitwidth; |
| 1461 delete data.dlOpts.fitheight; | |
| 654 | 1462 redisplay(data); |
| 1463 return false; | |
| 1464 }; | |
| 668 | 1465 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1466 // clear old handler (also ZoomDrag) |
| 738 | 1467 $scaler.unbind('.dlZoomArea'); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1468 $scaler.unbind(".dlZoomDrag"); |
| 738 | 1469 $elem.unbind('.dlZoomArea'); |
| 654 | 1470 // bind start zoom handler |
| 738 | 1471 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 654 | 1472 }; |
| 647 | 1473 |
| 723 | 1474 // bird's eye view zoom area click and drag handler |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1475 var setupBirdDrag = function(data) { |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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677
diff
changeset
|
1476 var $birdImg = data.$birdImg; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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diff
changeset
|
1477 var $birdZoom = data.$birdZoom; |
| 730 | 1478 var $document = $(document); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
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diff
changeset
|
1479 var $scaler = data.$scaler; |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
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748
diff
changeset
|
1480 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 775 | 1481 var bw = getBorderWidth($birdZoom); |
|
678
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diff
changeset
|
1482 |
| 741 | 1483 // mousedown handler: start dragging bird zoom to a new position |
| 1484 var birdZoomStartDrag = function(evt) { | |
| 1485 startPos = geom.position(evt); | |
| 1486 // position may have changed | |
| 1487 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1488 birdImgRect = geom.rectangle($birdImg); | |
| 1489 birdZoomRect = geom.rectangle($birdZoom); | |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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diff
changeset
|
1490 scalerPos = geom.position($scaler); |
| 741 | 1491 newRect = null; |
|
746
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move zoom-drag background along with birdview indicator
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diff
changeset
|
1492 fullRect = setZoomBG(data); // setup zoom background image |
| 741 | 1493 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1494 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1495 return false; | |
| 1496 }; | |
| 1497 | |
| 733 | 1498 // mousemove handler: drag |
|
678
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1499 var birdZoomMove = function(evt) { |
|
d50d24b7fd95
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diff
changeset
|
1500 var pos = geom.position(evt); |
| 730 | 1501 var delta = startPos.delta(pos); |
|
678
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1502 // move birdZoom div, keeping size |
| 730 | 1503 newRect = birdZoomRect.copy(); |
| 733 | 1504 newRect.addPosition(delta); |
|
678
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diff
changeset
|
1505 newRect.stayInside(birdImgRect); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1506 // reflect birdview zoom position in scaler image |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
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diff
changeset
|
1507 var area = data.birdTrafo.invtransform(newRect); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
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diff
changeset
|
1508 var imgArea = data.imgTrafo.transform(area); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
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diff
changeset
|
1509 var offset = imgArea.getPosition().neg(); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1510 offset.add(scalerPos); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1511 if (fullRect) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1512 var bgPos = fullRect.getPosition().add(offset); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1513 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1514 var bgPos = offset; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1515 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
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diff
changeset
|
1516 // move the background image to the new position |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1517 data.$scaler.css({ |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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745
diff
changeset
|
1518 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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745
diff
changeset
|
1519 }); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1520 // acount for border width |
| 775 | 1521 newRect.addPosition({x : -bw, y : -bw}); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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parents:
748
diff
changeset
|
1522 newRect.adjustDiv($birdZoom); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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diff
changeset
|
1523 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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677
diff
changeset
|
1524 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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diff
changeset
|
1525 |
| 733 | 1526 // mouseup handler: reload page |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1527 var birdZoomEndDrag = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1528 var settings = data.settings; |
| 730 | 1529 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1530 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1531 if (newRect == null) { | |
| 1532 // no movement happened - set center to click position | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1533 startPos = birdZoomRect.getCenter(); |
| 730 | 1534 birdZoomMove(evt); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1535 } |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1536 // ugly, but needed to prevent double border width compensation |
| 775 | 1537 newRect.addPosition({x : bw, y : bw}); |
| 730 | 1538 var newArea = data.birdTrafo.invtransform(newRect); |
| 1539 data.zoomArea = newArea; | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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677
diff
changeset
|
1540 redisplay(data); |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1541 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1542 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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677
diff
changeset
|
1543 |
| 730 | 1544 // clear old handler |
| 1545 $document.unbind(".dlBirdMove"); | |
| 1546 $birdImg.unbind(".dlBirdMove"); | |
| 1547 $birdZoom.unbind(".dlBirdMove"); | |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1548 if (! isFullArea(data.zoomArea)) { |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1549 // set new handler |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1550 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1551 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1552 } |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1553 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1554 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1555 // move bird zoom indicator to reflect zoomed detail area |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1556 var setBirdZoom = function(data, rect) { |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1557 var part = data.imgTrafo.invtransform(rect); |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1558 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1559 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1560 var birdRect = birdTrafo.transform(part); |
| 775 | 1561 var $birdZoom = data.$birdZoom; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1562 // acount for border width |
| 775 | 1563 var bw = getBorderWidth($birdZoom); |
| 1564 birdRect.addPosition({x : -bw, y : -bw}); | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1565 birdRect.adjustDiv(data.$birdZoom); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1566 }; |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1567 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1568 // set zoom background |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1569 var setZoomBG = function(data) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1570 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1571 var $img = data.$img; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1572 var fullRect = null; |
| 767 | 1573 // hide marks |
| 1574 data.$elem.find('div.mark').hide(); | |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1575 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1576 $img.css('visibility', 'hidden'); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1577 var scalerCss = { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1578 'background-image' : 'url(' + $img.attr('src') + ')', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1579 'background-repeat' : 'no-repeat', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1580 'background-position' : 'left top', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1581 'opacity' : '0.5', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1582 'cursor' : 'move' |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1583 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1584 if (data.hasBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1585 // full-size background using CSS3-background-size |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1586 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1587 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1588 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1589 var scalerPos = geom.position($scaler); |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1590 fullRect.addPosition(scalerPos.neg()); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1591 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1592 scalerCss['background-image'] = 'url(' + url + ')'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1593 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1594 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1595 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1596 // too big |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1597 fullRect = null; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1598 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1599 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1600 $scaler.css(scalerCss); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1601 // isBgReady = true; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1602 return fullRect; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1603 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1604 |
| 738 | 1605 // setup handlers for dragging the zoomed image |
| 705 | 1606 var setupZoomDrag = function(data) { |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1607 var startPos, delta, fullRect; |
| 733 | 1608 var $document = $(document); |
| 705 | 1609 var $elem = data.$elem; |
| 1610 var $scaler = data.$scaler; | |
| 1611 var $img = data.$img; | |
| 710 | 1612 |
| 733 | 1613 // drag the image and load a new detail on mouse up |
| 705 | 1614 var dragStart = function (evt) { |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1615 console.debug("dragstart at=",evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1616 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1617 if (isFullArea(data.zoomArea)) return false; |
| 733 | 1618 startPos = geom.position(evt); |
| 741 | 1619 delta = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1620 // set low res background immediately on mousedown |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1621 fullRect = setZoomBG(data); |
| 733 | 1622 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1623 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1624 return false; |
| 705 | 1625 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1626 |
| 733 | 1627 // mousemove handler: drag zoomed image |
| 705 | 1628 var dragMove = function (evt) { |
| 1629 var pos = geom.position(evt); | |
| 741 | 1630 delta = startPos.delta(pos); |
| 1631 if (fullRect) { | |
| 1632 var bgPos = fullRect.getPosition().add(delta); | |
| 1633 } else { | |
| 1634 var bgPos = delta; | |
| 1635 } | |
| 705 | 1636 // move the background image to the new position |
| 715 | 1637 $scaler.css({ |
| 741 | 1638 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 705 | 1639 }); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1640 // set birdview indicator to reflect new zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1641 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1642 za.addPosition(delta.neg()); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1643 setBirdZoom(data, za); |
| 705 | 1644 return false; |
| 1645 }; | |
| 710 | 1646 |
| 733 | 1647 // mouseup handler: reload zoomed image in new position |
| 705 | 1648 var dragEnd = function (evt) { |
| 739 | 1649 $scaler.css('cursor', 'auto'); |
| 733 | 1650 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1651 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1652 if (delta == null || delta.distance() < 2) { | |
| 1653 // no movement | |
| 1654 $img.css('visibility', 'visible'); | |
| 741 | 1655 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1656 // unhide marks |
| 1657 data.$elem.find('div.mark').show(); | |
| 733 | 1658 return false; |
| 1659 } | |
| 1660 // get old zoom area (screen coordinates) | |
| 741 | 1661 var za = geom.rectangle($img); |
| 733 | 1662 // move |
| 741 | 1663 za.addPosition(delta.neg()); |
| 733 | 1664 // transform back |
| 1665 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1666 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1667 redisplay(data); |
| 705 | 1668 return false; |
| 1669 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1670 |
| 733 | 1671 // clear old handler |
| 1672 $document.unbind(".dlZoomDrag"); | |
| 741 | 1673 $scaler.unbind(".dlZoomDrag"); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1674 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1675 // set handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1676 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1677 } |
| 705 | 1678 }; |
| 1679 | |
| 703 | 1680 // get image quality as a number (0..2) |
| 1681 var getQuality = function (data) { | |
| 1682 var flags = data.scalerFlags; | |
| 1683 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1684 return parseInt(q[1], 10); | |
| 706 | 1685 }; |
| 703 | 1686 |
| 1687 // set image quality as a number (0..2) | |
| 1688 var setQuality = function (data, qual) { | |
| 1689 var flags = data.scalerFlags; | |
| 1690 // clear flags | |
| 1691 for (var i = 0; i < 3; ++i) { | |
| 1692 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1693 } |
| 703 | 1694 flags['q'+qual] = 'q'+qual; |
| 706 | 1695 }; |
| 710 | 1696 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1697 // get image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1698 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1699 if (data.scalerFlags.clip != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1700 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1701 } else if (data.scalerFlags.osize != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1702 return 'size'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1703 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1704 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1705 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1706 }; |
| 775 | 1707 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1708 // set image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1709 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1710 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1711 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1712 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1713 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1714 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1715 } else if (mode === 'size') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1716 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1717 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1718 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1719 }; |
| 775 | 1720 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1721 // sets a key to a value (relative values with +/- if relative=true) |
| 650 | 1722 var setNumValue = function(settings, key, value) { |
| 716 | 1723 if (value == null) return null; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1724 if (isNumber(value)) { |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1725 settings[key] = value; |
|
c1fa722c570e
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robcast
parents:
711
diff
changeset
|
1726 return value; |
|
c1fa722c570e
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robcast
parents:
711
diff
changeset
|
1727 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1728 var sign = value[0]; |
| 650 | 1729 if (sign === '+' || sign === '-') { |
| 1730 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1731 // this isn't perfect but still... |
| 650 | 1732 settings[key] = 0; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1733 } |
| 650 | 1734 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1735 } else { | |
| 1736 settings[key] = value; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1737 } |
| 650 | 1738 return settings[key]; |
| 1739 }; | |
| 655 | 1740 |
| 775 | 1741 // auxiliary function, assuming equal border width on all sides |
| 1742 var getBorderWidth = function($elem) { | |
| 1743 var border = $elem.outerWidth() - $elem.width(); | |
| 1744 return border/2; | |
| 1745 }; | |
| 1746 | |
| 655 | 1747 // auxiliary function (from old dllib.js) |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1748 var isFullArea = function(area) { |
| 659 | 1749 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1750 }; |
| 1751 | |
| 641 | 1752 // auxiliary function (from Douglas Crockford, A.10) |
| 1753 var isNumber = function isNumber(value) { | |
| 710 | 1754 return typeof value === 'number' && isFinite(value); |
| 641 | 1755 }; |
| 655 | 1756 |
| 631 | 1757 // auxiliary function to crop senseless precision |
| 1758 var cropFloat = function (x) { | |
| 637 | 1759 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1760 }; |
| 655 | 1761 |
| 692 | 1762 // fallback for console.log calls |
| 1763 if (customConsole) { | |
| 1764 var logFunction = function(type) { | |
| 1765 return function(){ | |
| 1766 var $debug = $('#debug'); // debug div | |
| 1767 if (!$debug) return; | |
| 1768 var args = Array.prototype.slice.call(arguments); | |
| 1769 var argtext = args.join(' '); | |
| 1770 var $logDiv = $('<div/>'); | |
| 1771 $logDiv.addClass(type); | |
| 1772 $logDiv.text(argtext); | |
| 1773 $debug.append($logDiv); | |
| 1774 }; | |
| 1775 }; | |
| 1776 console.log = logFunction('_log'); | |
| 1777 console.debug = logFunction('_debug'); | |
| 1778 console.error = logFunction('_error'); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1779 } |
| 692 | 1780 |
| 787 | 1781 // functions to export to plugins |
| 1782 fn = { | |
| 791 | 1783 geometry : geom, |
| 1784 FULL_AREA : FULL_AREA, | |
| 787 | 1785 parseQueryString : parseQueryString, |
| 1786 getScalerUrl : getScalerUrl, | |
| 1787 getParamString : getParamString, | |
| 1788 getDigilibUrl : getDigilibUrl, | |
| 1789 unpackParams : unpackParams, | |
| 1790 packParams : packParams, | |
| 1791 redisplay : redisplay, | |
| 1792 updateDisplay : updateDisplay, | |
| 791 | 1793 showDiv : showDiv, |
| 787 | 1794 getImgTrafo : getImgTrafo, |
| 1795 getQuality : getQuality, | |
| 1796 setQuality : setQuality, | |
| 1797 getScaleMode : getScaleMode, | |
| 1798 setScaleMode : setScaleMode, | |
| 1799 isFullArea : isFullArea | |
| 1800 }; | |
| 788 | 1801 |
| 605 | 1802 // hook plugin into jquery |
| 785 | 1803 $.fn.digilib = function (action) { |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1804 // plugin extension mechanism |
| 786 | 1805 if (action === 'plugin') { |
| 1806 var plugin = arguments[1]; | |
| 1807 // each plugin needs a name | |
| 1808 if (plugin.name != null) { | |
| 1809 plugins[plugin.name] = plugin; | |
| 1810 } | |
| 787 | 1811 // initialisation of plugins done later |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1812 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1813 // 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
|
1814 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1815 var data = $elem.data('digilib'); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1816 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1817 args.unshift(data); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1818 return actions[action].apply(this, args); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1819 } else if (typeof(action) === 'object' || !action) { |
| 634 | 1820 // call init on this |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1821 return actions.init.apply(this, arguments); |
| 605 | 1822 } else { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1823 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1824 } |
| 605 | 1825 }; |
| 692 | 1826 |
| 604 | 1827 })(jQuery); |