Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 778:f8235c42f4a0 jquery
more preparations for SVG measuring tool
| author | hertzhaft |
|---|---|
| date | Sun, 13 Feb 2011 01:12:45 +0100 |
| parents | 34bba748004d |
| children | 62c3b902f878 |
| rev | line source |
|---|---|
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1 /* Copyright (c) 2011 Martin Raspe, Robert Casties |
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2 |
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3 This program is free software: you can redistribute it and/or modify |
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4 it under the terms of the GNU Lesser General Public License as published by |
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5 the Free Software Foundation, either version 2 of the License, or |
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6 (at your option) any later version. |
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7 |
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8 This program is distributed in the hope that it will be useful, |
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9 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 GNU Lesser General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU Lesser General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 |
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16 Authors: |
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17 Martin Raspe, Robert Casties, 11.1.2011 |
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18 */ |
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19 |
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20 /** |
| 604 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
| 655 | 24 |
| 767 | 25 /*jslint browser: true, debug: true, forin: true |
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26 */ |
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27 |
| 636 | 28 // fallback for console.log calls |
| 29 if (typeof(console) === 'undefined') { | |
| 30 var console = { | |
| 692 | 31 log : function(){}, |
| 32 debug : function(){}, | |
| 33 error : function(){} | |
| 34 }; | |
| 35 var customConsole = true; | |
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36 } |
| 604 | 37 |
| 38 (function($) { | |
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39 var buttons = { |
| 610 | 40 reference : { |
| 689 | 41 onclick : "reference", |
| 610 | 42 tooltip : "get a reference URL", |
| 765 | 43 icon : "reference.png" |
| 610 | 44 }, |
| 45 zoomin : { | |
| 643 | 46 onclick : ["zoomBy", 1.4], |
| 610 | 47 tooltip : "zoom in", |
| 765 | 48 icon : "zoom-in.png" |
| 610 | 49 }, |
| 50 zoomout : { | |
| 643 | 51 onclick : ["zoomBy", 0.7], |
| 610 | 52 tooltip : "zoom out", |
| 765 | 53 icon : "zoom-out.png" |
| 610 | 54 }, |
| 55 zoomarea : { | |
| 654 | 56 onclick : "zoomArea", |
| 610 | 57 tooltip : "zoom area", |
| 765 | 58 icon : "zoom-area.png" |
| 610 | 59 }, |
| 60 zoomfull : { | |
| 650 | 61 onclick : "zoomFull", |
| 610 | 62 tooltip : "view the whole image", |
| 765 | 63 icon : "zoom-full.png" |
| 610 | 64 }, |
| 65 pagewidth : { | |
| 650 | 66 onclick : ["zoomFull", "width"], |
| 610 | 67 tooltip : "page width", |
| 765 | 68 icon : "pagewidth.png" |
| 610 | 69 }, |
| 70 back : { | |
| 623 | 71 onclick : ["gotoPage", "-1"], |
| 610 | 72 tooltip : "goto previous image", |
| 765 | 73 icon : "back.png" |
| 610 | 74 }, |
| 75 fwd : { | |
| 623 | 76 onclick : ["gotoPage", "+1"], |
| 610 | 77 tooltip : "goto next image", |
| 765 | 78 icon : "fwd.png" |
| 610 | 79 }, |
| 80 page : { | |
| 716 | 81 onclick : "gotoPage", |
| 82 tooltip : "goto image number", | |
| 765 | 83 icon : "page.png" |
| 610 | 84 }, |
| 85 bird : { | |
| 635 | 86 onclick : "showBirdDiv", |
| 610 | 87 tooltip : "show bird's eye view", |
| 765 | 88 icon : "birds-eye.png" |
| 610 | 89 }, |
| 90 help : { | |
| 635 | 91 onclick : "showAboutDiv", |
| 610 | 92 tooltip : "about Digilib", |
| 765 | 93 icon : "help.png" |
| 610 | 94 }, |
| 95 reset : { | |
| 688 | 96 onclick : "reset", |
| 610 | 97 tooltip : "reset image", |
| 765 | 98 icon : "reset.png" |
| 610 | 99 }, |
| 100 mark : { | |
| 647 | 101 onclick : "setMark", |
| 610 | 102 tooltip : "set a mark", |
| 765 | 103 icon : "mark.png" |
| 610 | 104 }, |
| 105 delmark : { | |
| 650 | 106 onclick : "removeMark", |
| 610 | 107 tooltip : "delete the last mark", |
| 765 | 108 icon : "delmark.png" |
| 610 | 109 }, |
| 110 hmir : { | |
| 661 | 111 onclick : ["mirror", "h"], |
| 610 | 112 tooltip : "mirror horizontally", |
| 765 | 113 icon : "mirror-horizontal.png" |
| 610 | 114 }, |
| 115 vmir : { | |
| 661 | 116 onclick : ["mirror", "v"], |
| 610 | 117 tooltip : "mirror vertically", |
| 765 | 118 icon : "mirror-vertical.png" |
| 610 | 119 }, |
| 120 rot : { | |
| 663 | 121 onclick : "rotate", |
| 610 | 122 tooltip : "rotate image", |
| 765 | 123 icon : "rotate.png" |
| 610 | 124 }, |
| 125 brgt : { | |
| 663 | 126 onclick : "brightness", |
| 610 | 127 tooltip : "set brightness", |
| 765 | 128 icon : "brightness.png" |
| 610 | 129 }, |
| 130 cont : { | |
| 663 | 131 onclick : "contrast", |
| 610 | 132 tooltip : "set contrast", |
| 765 | 133 icon : "contrast.png" |
| 610 | 134 }, |
| 135 rgb : { | |
| 136 onclick : "javascript:setParamWin('rgb', '...')", | |
| 137 tooltip : "set rgb values", | |
| 765 | 138 icon : "rgb.png" |
| 610 | 139 }, |
| 140 quality : { | |
| 748 | 141 onclick : "setQuality", |
| 610 | 142 tooltip : "set image quality", |
| 765 | 143 icon : "quality.png" |
| 610 | 144 }, |
| 145 size : { | |
| 146 onclick : "javascript:toggleSizeMenu()", | |
| 147 tooltip : "set page size", | |
| 765 | 148 icon : "size.png" |
| 610 | 149 }, |
| 150 calibrationx : { | |
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151 onclick : "calibrate", |
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152 tooltip : "calibrate screen resolution", |
| 765 | 153 icon : "calibration-x.png" |
| 610 | 154 }, |
| 155 scale : { | |
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156 onclick : "setScaleMode", |
| 610 | 157 tooltip : "change image scale", |
| 765 | 158 icon : "original-size.png" |
| 610 | 159 }, |
| 699 | 160 toggleoptions : { |
| 748 | 161 onclick : "moreButtons", |
| 699 | 162 tooltip : "more options", |
| 765 | 163 icon : "options.png" |
| 699 | 164 }, |
| 690 | 165 moreoptions : { |
| 748 | 166 onclick : ["moreButtons", "+1"], |
| 690 | 167 tooltip : "more options", |
| 765 | 168 icon : "options.png" |
| 690 | 169 }, |
| 170 lessoptions : { | |
| 748 | 171 onclick : ["moreButtons", "-1"], |
| 690 | 172 tooltip : "less options", |
| 765 | 173 icon : "options.png" |
| 610 | 174 }, |
| 175 SEP : { | |
| 765 | 176 icon : "sep.png" |
| 610 | 177 } |
| 178 }; | |
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179 |
| 605 | 180 var defaults = { |
| 616 | 181 // version of this script |
| 635 | 182 'version' : 'jquery.digilib.js 0.9', |
| 616 | 183 // logo url |
| 184 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 635 | 185 // homepage url (behind logo) |
| 186 'homeUrl' : 'http://digilib.berlios.de', | |
| 744 | 187 // base URL to digilib viewer (for reference URLs) |
| 188 'digilibBaseUrl' : null, | |
| 610 | 189 // base URL to Scaler servlet |
| 652 | 190 'scalerBaseUrl' : null, |
| 610 | 191 // list of Scaler parameters |
| 627 | 192 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
| 193 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
| 194 // Scaler parameter defaults | |
| 643 | 195 'pn' : 1, |
| 627 | 196 'ww' : 1.0, |
| 197 'wh' : 1.0, | |
| 198 'wx' : 0.0, | |
| 199 'wy' : 0.0, | |
| 200 'ws' : 1.0, | |
| 643 | 201 'mo' : '', |
| 202 'rot' : 0, | |
| 203 'cont' : 0, | |
| 204 'brgt' : 0, | |
| 205 'rgbm' : '0/0/0', | |
| 206 'rgba' : '0/0/0', | |
| 207 'ddpi' : null, | |
| 208 'ddpix' : null, | |
| 209 'ddpiy' : null, | |
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210 // list of digilib parameters |
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211 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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212 // digilib parameter defaults |
| 643 | 213 'mk' : '', |
| 650 | 214 'clop' : '', |
| 643 | 215 // mode of operation: |
| 216 // fullscreen = take parameters from page URL, keep state in page URL | |
| 217 // embedded = take parameters from Javascript options, keep state inside object | |
| 610 | 218 'interactionMode' : 'fullscreen', |
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219 // buttons |
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220 'buttons' : buttons, |
| 668 | 221 // defaults for digilib buttons |
| 665 | 222 'buttonSettings' : { |
| 223 'fullscreen' : { | |
| 668 | 224 // path to button images (must end with a slash) |
| 665 | 225 'imagePath' : 'img/fullscreen/', |
| 721 | 226 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
| 227 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
| 682 | 228 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 229 }, |
| 230 'embedded' : { | |
| 231 'imagePath' : 'img/embedded/16/', | |
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232 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
| 768 | 233 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
| 682 | 234 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 235 } |
| 697 | 236 }, |
| 775 | 237 |
| 697 | 238 // number of visible button groups |
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239 'visibleButtonSets' : 1, |
| 616 | 240 // is birdView shown? |
| 241 'isBirdDivVisible' : false, | |
| 668 | 242 // dimensions of bird's eye div |
| 674 | 243 'birdDivWidth' : 200, |
| 244 'birdDivHeight' : 200, | |
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245 // parameters used by bird's eye div |
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246 'birdDivParams' : ['fn','pn','dw','dh'], |
| 616 | 247 // is the "about" window shown? |
| 741 | 248 'isAboutDivVisible' : false, |
| 249 // maximum width of background image for drag-scroll | |
| 778 | 250 'maxBgSize' : 10000, |
| 251 // space to be left free in full page display | |
| 252 'scalerInset' : 0, | |
| 610 | 253 }; |
| 655 | 254 |
| 608 | 255 // affine geometry classes |
| 256 var geom = dlGeometry(); | |
| 655 | 257 |
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258 var FULL_AREA = geom.rectangle(0, 0, 1, 1); |
| 655 | 259 |
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260 var actions = { |
| 668 | 261 // init: digilib initialization |
| 262 init : function(options) { | |
| 263 // settings for this digilib instance are merged from defaults and options | |
| 264 var settings = $.extend({}, defaults, options); | |
| 265 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 266 var queryParams = {}; | |
| 267 if (isFullscreen) { | |
| 268 queryParams = parseQueryParams(); | |
| 269 // check scalerBaseUrl | |
| 270 if (settings.scalerBaseUrl == null) { | |
| 271 // try the host this came from | |
| 272 var h = window.location.host; | |
| 273 if (window.location.host) { | |
| 274 var url = window.location.href; | |
| 275 // assume the page lives in [webapp]/jquery/ | |
| 276 var pos = url.indexOf('jquery/'); | |
| 277 if (pos > 0) { | |
| 278 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 652 | 279 } |
| 280 } | |
| 636 | 281 } |
| 668 | 282 } |
| 283 return this.each(function() { | |
| 284 var $elem = $(this); | |
| 285 var data = $elem.data('digilib'); | |
| 688 | 286 var params, elemSettings; |
| 668 | 287 // if the plugin hasn't been initialized yet |
| 288 if (!data) { | |
| 289 // merge query parameters | |
| 290 if (isFullscreen) { | |
| 688 | 291 params = queryParams; |
| 668 | 292 } else { |
| 688 | 293 params = parseImgParams($elem); |
| 727 | 294 if (jQuery.cookie) { |
| 295 // retrieve params from cookie | |
| 296 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 297 var cs = jQuery.cookie(ck); | |
| 298 console.debug("get cookie=", ck, " value=", cs); | |
| 299 if (cs) { | |
| 300 var cp = parseQueryString(cs); | |
| 728 | 301 // ignore fn and pn from cookie TODO: should we keep pn? |
| 302 delete cp.fn; | |
| 303 delete cp.pn; | |
| 304 jQuery.extend(params, cp); | |
| 727 | 305 } |
| 306 } | |
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307 } |
| 668 | 308 // store $(this) element in the settings |
| 728 | 309 elemSettings = jQuery.extend({}, settings, params); |
| 697 | 310 data = { |
| 668 | 311 $elem : $elem, |
| 312 settings : elemSettings, | |
| 688 | 313 queryParams : params |
| 668 | 314 }; |
| 315 // store in data element | |
| 316 $elem.data('digilib', data); | |
| 317 } | |
| 318 unpackParams(data); | |
| 744 | 319 // check if browser knows *background-size |
| 741 | 320 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 321 if ($elem.css(bs+'background-size')) { | |
| 322 data.hasBgSize = true; | |
| 323 data.bgSizeName = bs+'background-size'; | |
| 324 break; | |
| 325 } | |
| 326 } | |
| 744 | 327 // check digilib base URL |
| 328 if (elemSettings.digilibBaseUrl == null) { | |
| 329 if (isFullscreen) { | |
| 330 // take current host | |
| 331 var url = window.location.toString(); | |
| 332 var pos = url.indexOf('?'); | |
| 333 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 334 } else { | |
| 335 var url = elemSettings.scalerBaseUrl; | |
| 336 if (url) { | |
| 337 // build it from scaler URL | |
| 338 var bp = url.indexOf('/servlet/Scaler'); | |
| 765 | 339 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 744 | 340 } |
| 341 } | |
| 342 } | |
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343 // get image info from server if needed |
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344 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 767 | 345 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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346 } |
| 682 | 347 // create HTML structure for scaler |
| 668 | 348 setupScalerDiv(data); |
| 697 | 349 // add buttons |
| 350 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
| 351 showButtons(data, true, i); | |
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352 } |
| 765 | 353 highlightButtons(data); |
| 668 | 354 // bird's eye view creation |
| 710 | 355 if (elemSettings.isBirdDivVisible) { |
| 638 | 356 setupBirdDiv(data); |
| 723 | 357 data.$birdDiv.show(); |
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358 } |
| 668 | 359 // about window creation - TODO: could be deferred? restrict to only one item? |
| 360 setupAboutDiv(data); | |
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361 // drag zoom area around in scaler div |
| 755 | 362 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 668 | 363 }); |
| 364 }, | |
| 365 | |
| 366 // destroy: clean up digilib | |
| 367 destroy : function(data) { | |
| 368 return this.each(function(){ | |
| 369 var $elem = $(this); | |
| 370 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 371 data.digilib.remove(); | |
| 372 $elem.removeData('digilib'); | |
| 373 }); | |
| 374 }, | |
| 375 | |
| 376 // show or hide the 'about' window | |
| 377 showAboutDiv : function(data, show) { | |
| 765 | 378 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 379 data.settings.isAboutDivVisible = on; | |
| 380 highlightButtons(data, 'help', on); | |
| 668 | 381 }, |
| 655 | 382 |
| 668 | 383 // event handler: toggles the visibility of the bird's eye window |
| 384 showBirdDiv : function (data, show) { | |
| 726 | 385 var settings = data.settings; |
| 668 | 386 if (data.$birdDiv == null) { |
| 387 // no bird div -> create | |
| 388 setupBirdDiv(data); | |
| 389 } | |
| 765 | 390 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 391 settings.isBirdDivVisible = on; | |
| 392 highlightButtons(data, 'bird', on); | |
| 726 | 393 updateBirdDiv(data); |
| 723 | 394 storeOptions(data); |
| 668 | 395 }, |
| 396 | |
| 397 // goto given page nr (+/-: relative) | |
| 398 gotoPage : function (data, pageNr) { | |
| 399 var settings = data.settings; | |
| 400 var oldpn = settings.pn; | |
| 716 | 401 if (pageNr == null) { |
| 402 pageNr = window.prompt("Goto page number", oldpn); | |
| 403 } | |
| 668 | 404 var pn = setNumValue(settings, "pn", pageNr); |
| 405 if (pn == null) return false; // nothing happened | |
| 406 if (pn < 1) { | |
| 407 alert("no such page (page number too low)"); | |
| 408 settings.pn = oldpn; | |
| 409 return false; | |
| 410 } | |
| 767 | 411 // TODO: how do we get pt? |
| 668 | 412 if (settings.pt) { |
| 413 if (pn > settings.pt) { | |
| 414 alert("no such page (page number too high)"); | |
| 623 | 415 settings.pn = oldpn; |
| 416 return false; | |
| 634 | 417 } |
| 668 | 418 } |
| 419 // reset mk and others(?) | |
| 420 data.marks = []; | |
|
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421 data.zoomArea = FULL_AREA; |
| 668 | 422 // then reload |
| 423 redisplay(data); | |
| 424 }, | |
| 654 | 425 |
| 668 | 426 // zoom by a given factor |
| 427 zoomBy : function (data, factor) { | |
| 428 zoomBy(data, factor); | |
| 429 }, | |
| 647 | 430 |
| 767 | 431 // zoom to area (or interactive) |
| 432 zoomArea : function (data, area) { | |
| 433 var settings = data.settings; | |
| 434 if (area == null) { | |
| 435 // interactively | |
| 436 zoomArea(data); | |
| 437 } else { | |
| 438 data.zoomArea = geom.rectangle(area); | |
| 439 redisplay(data); | |
| 440 } | |
| 668 | 441 }, |
| 650 | 442 |
| 668 | 443 // zoom out to full page |
| 444 zoomFull : function (data, mode) { | |
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445 data.zoomArea = FULL_AREA; |
| 668 | 446 if (mode === 'width') { |
| 447 data.dlOpts.fitwidth = 1; | |
| 448 delete data.dlOpts.fitheight; | |
| 449 } else if (mode === 'height') { | |
| 450 data.dlOpts.fitheight = 1; | |
| 451 delete data.dlOpts.fitwidth; | |
| 452 } else { | |
| 453 delete data.dlOpts.fitwidth; | |
| 454 delete data.dlOpts.fitheight; | |
| 455 } | |
| 456 redisplay(data); | |
| 457 }, | |
| 458 | |
| 459 // set a mark by clicking (or giving a position) | |
| 460 setMark : function (data, mpos) { | |
| 461 if (mpos == null) { | |
| 462 // interactive | |
| 463 setMark(data); | |
| 464 } else { | |
| 465 // use position | |
| 466 data.marks.push(pos); | |
| 663 | 467 redisplay(data); |
| 604 | 468 } |
| 668 | 469 }, |
| 470 | |
| 471 // remove the last mark | |
| 472 removeMark : function (data) { | |
| 473 data.marks.pop(); | |
| 474 redisplay(data); | |
| 475 }, | |
| 476 | |
| 477 // mirror the image | |
| 478 mirror : function (data, mode) { | |
| 479 var flags = data.scalerFlags; | |
| 480 if (mode === 'h') { | |
| 481 if (flags.hmir) { | |
| 482 delete flags.hmir; | |
| 483 } else { | |
| 484 flags.hmir = 1; | |
| 485 } | |
| 486 } else { | |
| 487 if (flags.vmir) { | |
| 488 delete flags.vmir; | |
| 489 } else { | |
| 490 flags.vmir = 1; | |
| 491 } | |
| 492 } | |
| 493 redisplay(data); | |
| 494 }, | |
| 650 | 495 |
| 668 | 496 // rotate the image |
| 497 rotate : function (data, angle) { | |
| 498 var rot = data.settings.rot; | |
| 499 if (angle == null) { | |
| 500 angle = window.prompt("Rotation angle:", rot); | |
| 501 } | |
| 502 data.settings.rot = angle; | |
| 503 redisplay(data); | |
| 504 }, | |
| 505 | |
| 506 // change brightness | |
| 507 brightness : function (data, factor) { | |
| 508 var brgt = data.settings.brgt; | |
| 509 if (factor == null) { | |
| 510 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 511 } | |
| 512 data.settings.brgt = factor; | |
| 513 redisplay(data); | |
| 514 }, | |
| 515 | |
| 516 // change contrast | |
| 517 contrast : function (data, factor) { | |
| 518 var cont = data.settings.cont; | |
| 519 if (factor == null) { | |
| 520 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 521 } | |
| 522 data.settings.cont = factor; | |
| 523 redisplay(data); | |
| 688 | 524 }, |
| 710 | 525 |
| 690 | 526 // display more (or less) button sets |
| 748 | 527 moreButtons : function (data, more) { |
| 696 | 528 var settings = data.settings; |
| 699 | 529 if (more == null) { |
| 703 | 530 // toggle more or less (only works for 2 sets) |
| 699 | 531 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 532 if (settings.visibleButtonSets >= maxbtns) { | |
| 533 more = '-1'; | |
| 534 } else { | |
| 535 more = '+1'; | |
| 536 } | |
| 537 } | |
| 690 | 538 if (more === '-1') { |
| 539 // remove set | |
| 697 | 540 var setIdx = settings.visibleButtonSets - 1; |
| 541 if (showButtons(data, false, setIdx, true)) { | |
| 542 settings.visibleButtonSets--; | |
| 543 } | |
| 690 | 544 } else { |
| 545 // add set | |
| 697 | 546 var setIdx = settings.visibleButtonSets; |
| 547 if (showButtons(data, true, setIdx, true)) { | |
| 548 settings.visibleButtonSets++; | |
| 690 | 549 } |
| 550 } | |
| 723 | 551 // persist setting |
| 552 storeOptions(data); | |
| 691 | 553 }, |
| 688 | 554 |
| 703 | 555 // reset image parameters to defaults |
| 688 | 556 reset : function (data) { |
| 557 var settings = data.settings; | |
| 558 var paramNames = settings.digilibParamNames; | |
| 559 var params = data.queryParams; | |
| 560 // delete all digilib parameters | |
| 561 for (var i = 0; i < paramNames.length; i++) { | |
| 562 var paramName = paramNames[i]; | |
| 563 delete settings[paramName]; | |
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564 } |
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565 settings.fn = params.fn || ''; // no default defined |
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566 settings.pn = params.pn || defaults.pn; |
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567 settings.dw = params.dw; |
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568 settings.dh = params.dh; |
| 709 | 569 settings.isBirdDivVisible = false; |
| 570 settings.visibleButtonSets = 1; | |
|
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571 // resets zoomArea, marks, scalerflags |
|
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572 data.zoomArea = FULL_AREA; |
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573 data.marks = []; |
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574 data.scalerFlags = {}; |
| 712 | 575 delete data.dlOpts.fitwidth; |
| 576 delete data.dlOpts.fitheight; | |
| 688 | 577 redisplay(data); |
| 689 | 578 }, |
| 579 | |
| 703 | 580 // presents a reference url (returns value if noprompt) |
| 581 reference : function (data, noprompt) { | |
| 689 | 582 var settings = data.settings; |
| 744 | 583 var url = getDigilibUrl(data); |
| 703 | 584 if (noprompt == null) { |
| 585 window.prompt("URL reference to the current view", url); | |
| 586 } | |
| 587 return url; | |
| 588 }, | |
| 710 | 589 |
| 703 | 590 // set image quality |
| 748 | 591 setQuality : function (data, qual) { |
| 703 | 592 var oldq = getQuality(data); |
| 593 if (qual == null) { | |
| 594 qual = window.prompt("Image quality (0..2)", oldq); | |
| 595 } | |
| 596 qual = parseInt(qual, 10); | |
| 597 if (qual >= 0 && qual <= 2) { | |
| 598 setQuality(data, qual); | |
| 599 redisplay(data); | |
| 600 } | |
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601 }, |
|
760
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|
602 |
|
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603 // calibrate (only faking) |
|
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604 calibrate : function (data, res) { |
|
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605 var oldRes = data.settings.ddpi; |
|
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606 if (res == null) { |
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607 res = window.prompt("Display resolution (dpi)", oldRes); |
|
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|
608 } |
|
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609 if (res != null) { |
|
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610 data.settings.ddpi = res; |
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|
611 redisplay(data); |
|
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|
612 } |
|
760
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|
613 }, |
| 775 | 614 |
|
761
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added setScaleMode. no compensation for change in scaling yet.
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|
615 // set image scale mode |
|
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616 setScaleMode : function (data, mode) { |
|
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617 var oldM = getScaleMode(data); |
|
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618 if (mode == null) { |
|
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|
619 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
|
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|
620 } |
|
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|
621 if (mode != null) { |
|
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|
622 setScaleMode(data, mode); |
|
763
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|
623 data.scaleMode = mode; |
|
761
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|
624 redisplay(data); |
|
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|
625 } |
|
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|
626 } |
| 775 | 627 |
|
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|
628 // end of actions |
| 605 | 629 }; |
| 604 | 630 |
| 608 | 631 // returns parameters from page url |
| 607 | 632 var parseQueryParams = function() { |
| 636 | 633 return parseQueryString(window.location.search.slice(1)); |
| 634 }; | |
| 655 | 635 |
| 636 | 636 // returns parameters from embedded img-element |
| 607 | 637 var parseImgParams = function($elem) { |
|
613
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|
638 var src = $elem.find('img').first().attr('src'); |
| 710 | 639 if (!src) return null; |
| 607 | 640 var pos = src.indexOf('?'); |
| 641 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 642 var scalerUrl = src.substring(0, pos); | |
| 627 | 643 var params = parseQueryString(query); |
| 644 params.scalerBaseUrl = scalerUrl; | |
| 645 return params; | |
| 636 | 646 }; |
| 607 | 647 |
| 608 | 648 // parses query parameter string into parameter object |
| 607 | 649 var parseQueryString = function(query) { |
| 701 | 650 var params = {}; |
| 651 if (query == null) return params; | |
| 607 | 652 var pairs = query.split("&"); |
| 636 | 653 //var keys = []; |
| 607 | 654 for (var i = 0; i < pairs.length; i++) { |
| 655 var pair = pairs[i].split("="); | |
| 656 if (pair.length === 2) { | |
| 627 | 657 params[pair[0]] = pair[1]; |
| 636 | 658 //keys.push(pair[0]); |
| 634 | 659 } |
| 636 | 660 } |
| 627 | 661 return params; |
| 636 | 662 }; |
| 668 | 663 |
| 643 | 664 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 665 var getParamString = function (settings, keys, defaults) { | |
| 615 | 666 var paramString = ''; |
| 650 | 667 var nx = false; |
| 615 | 668 for (i = 0; i < keys.length; ++i) { |
| 669 var key = keys[i]; | |
| 663 | 670 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 671 // first param gets no '&' |
| 650 | 672 if (nx) { |
| 673 paramString += '&'; | |
| 674 } else { | |
| 675 nx = true; | |
| 676 } | |
| 615 | 677 // add parm=val |
| 678 paramString += key + '=' + settings[key]; | |
| 643 | 679 } |
| 615 | 680 } |
| 681 return paramString; | |
| 631 | 682 }; |
| 683 | |
| 636 | 684 // returns URL and query string for Scaler |
| 685 var getScalerUrl = function (data) { | |
| 741 | 686 packParams(data); |
| 653 | 687 var settings = data.settings; |
| 652 | 688 if (settings.scalerBaseUrl == null) { |
| 689 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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diff
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|
690 } |
| 636 | 691 var keys = settings.scalerParamNames; |
| 643 | 692 var queryString = getParamString(settings, keys, defaults); |
| 636 | 693 var url = settings.scalerBaseUrl + '?' + queryString; |
| 694 return url; | |
| 695 }; | |
| 696 | |
| 741 | 697 // returns URL for bird's eye view image |
| 743 | 698 var getBirdImgUrl = function (data, moreParams) { |
| 741 | 699 var settings = data.settings; |
| 700 var birdDivOptions = { | |
| 701 dw : settings.birdDivWidth, | |
| 702 dh : settings.birdDivHeight | |
| 703 }; | |
| 743 | 704 var birdSettings = jQuery.extend({}, settings, birdDivOptions); |
| 741 | 705 // use only the relevant parameters |
| 743 | 706 if (moreParams == null) { |
| 707 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 708 } else { | |
| 767 | 709 // filter scaler flags |
| 710 if (birdSettings.mo != null) { | |
| 711 var mo = ''; | |
| 712 if (data.scalerFlags.hmir != null) { | |
| 713 mo += 'hmir,'; | |
| 714 } | |
| 715 if (data.scalerFlags.vmir != null) { | |
| 716 mo += 'vmir'; | |
| 717 } | |
| 718 birdSettings.mo = mo; | |
| 719 } | |
| 743 | 720 var params = getParamString(birdSettings, |
| 721 settings.birdDivParams.concat(moreParams), defaults); | |
| 722 } | |
| 723 var url = settings.scalerBaseUrl + '?' + params; | |
| 741 | 724 return url; |
| 725 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
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diff
changeset
|
726 |
| 636 | 727 // 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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643
diff
changeset
|
728 var getDigilibUrl = function (data) { |
| 643 | 729 packParams(data); |
| 636 | 730 var settings = data.settings; |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
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diff
changeset
|
731 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 744 | 732 return settings.digilibBaseUrl + '?' + queryString; |
| 636 | 733 }; |
| 734 | |
| 767 | 735 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 736 var loadImageInfo = function (data, complete) { | |
|
754
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
737 var settings = data.settings; |
|
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reading image info asynchronously works now. has just no use yet.
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751
diff
changeset
|
738 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
739 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
740 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 767 | 741 // TODO: better error handling |
|
754
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
parents:
751
diff
changeset
|
742 jQuery.getJSON(url, function (json) { |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
parents:
751
diff
changeset
|
743 console.debug("got json data=", json); |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
parents:
751
diff
changeset
|
744 data.imgInfo = json; |
|
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reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
745 if (complete != null) { |
|
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reading image info asynchronously works now. has just no use yet.
robcast
parents:
751
diff
changeset
|
746 complete.call(this, data, json); |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
747 } |
|
ce5a0e6b5ee9
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
748 }); |
|
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
749 }; |
| 775 | 750 |
| 655 | 751 // processes some parameters into objects and stuff |
| 631 | 752 var unpackParams = function (data) { |
| 753 var settings = data.settings; | |
| 636 | 754 // zoom area |
| 631 | 755 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 756 data.zoomArea = zoomArea; |
| 636 | 757 // marks |
| 631 | 758 var marks = []; |
| 650 | 759 if (settings.mk) { |
| 760 var mk = settings.mk; | |
| 761 if (mk.indexOf(";") >= 0) { | |
| 762 var pa = mk.split(";"); // old format with ";" | |
| 763 } else { | |
| 764 var pa = mk.split(","); // new format | |
|
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more cosmetics: added options to validate with http://www.jslint.com
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|
765 } |
| 650 | 766 for (var i = 0; i < pa.length ; i++) { |
| 767 var pos = pa[i].split("/"); | |
| 768 if (pos.length > 1) { | |
| 769 marks.push(geom.position(pos[0], pos[1])); | |
|
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robcast
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changeset
|
770 } |
|
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more cosmetics: added options to validate with http://www.jslint.com
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changeset
|
771 } |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
772 } |
| 643 | 773 data.marks = marks; |
| 650 | 774 // mo (Scaler flags) |
| 775 var flags = {}; | |
| 776 if (settings.mo) { | |
| 777 var pa = settings.mo.split(","); | |
| 778 for (var i = 0; i < pa.length ; i++) { | |
| 779 flags[pa[i]] = pa[i]; | |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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changeset
|
780 } |
|
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more cosmetics: added options to validate with http://www.jslint.com
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diff
changeset
|
781 } |
| 650 | 782 data.scalerFlags = flags; |
|
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783 data.scaleMode = getScaleMode(data); |
| 723 | 784 retrieveOptions(data); |
| 655 | 785 }; |
| 786 | |
| 631 | 787 // put objects back into parameters |
| 788 var packParams = function (data) { | |
| 789 var settings = data.settings; | |
| 636 | 790 // zoom area |
| 643 | 791 if (data.zoomArea) { |
| 647 | 792 settings.wx = cropFloat(data.zoomArea.x); |
| 793 settings.wy = cropFloat(data.zoomArea.y); | |
| 794 settings.ww = cropFloat(data.zoomArea.width); | |
| 795 settings.wh = cropFloat(data.zoomArea.height); | |
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796 } |
| 636 | 797 // marks |
| 643 | 798 if (data.marks) { |
| 650 | 799 settings.mk = ''; |
| 643 | 800 for (var i = 0; i < data.marks.length; i++) { |
| 650 | 801 if (i) { |
| 802 settings.mk += ','; | |
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803 } |
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804 settings.mk += cropFloat(data.marks[i].x).toString() + |
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805 '/' + cropFloat(data.marks[i].y).toString(); |
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806 } |
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807 } |
| 650 | 808 // Scaler flags |
| 809 if (data.scalerFlags) { | |
| 810 var mo = ''; | |
| 811 for (var f in data.scalerFlags) { | |
| 812 if (mo) { | |
| 813 mo += ','; | |
| 814 } | |
| 815 mo += f; | |
| 816 } | |
| 817 settings.mo = mo; | |
| 818 } | |
| 710 | 819 // user interface options |
| 723 | 820 storeOptions(data); |
| 709 | 821 }; |
| 688 | 822 |
| 723 | 823 var storeOptions = function (data) { |
| 701 | 824 // save digilib options in cookie |
| 709 | 825 var settings = data.settings; |
| 826 if (data.dlOpts) { | |
| 827 // save digilib settings in options | |
| 828 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 829 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 830 var clop = ''; | |
| 831 for (var o in data.dlOpts) { | |
| 832 if (clop) { | |
| 833 clop += '&'; | |
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834 } |
| 709 | 835 clop += o + '=' + data.dlOpts[o]; |
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836 } |
| 709 | 837 if (jQuery.cookie) { |
| 838 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 839 console.debug("set cookie=", ck, " value=", clop); | |
| 840 jQuery.cookie(ck, clop); | |
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841 } |
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842 } |
| 727 | 843 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
| 844 // store normal parameters in cookie for embedded mode | |
| 845 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 846 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 847 console.debug("set cookie=", ck, " value=", qs); | |
| 848 jQuery.cookie(ck, qs); | |
| 849 } | |
| 631 | 850 }; |
| 655 | 851 |
| 723 | 852 var retrieveOptions = function (data) { |
| 709 | 853 // clop (digilib options) |
| 854 var opts = {}; | |
| 855 var settings = data.settings; | |
| 856 if (jQuery.cookie) { | |
| 857 // read from cookie | |
| 858 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 859 var cp = jQuery.cookie(ck); | |
| 860 console.debug("get cookie=", ck, " value=", cp); | |
| 861 // in query string format | |
| 862 opts = parseQueryString(cp); | |
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863 } |
| 709 | 864 data.dlOpts = opts; |
| 865 // birdview option | |
| 866 if (opts.birdview != null) { | |
| 867 settings.isBirdDivVisible = opts.birdview === '1'; | |
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868 } |
| 709 | 869 // visible button sets |
| 870 if (opts.buttons != null) { | |
| 871 settings.visibleButtonSets = opts.buttons; | |
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872 } |
| 711 | 873 }; |
| 709 | 874 |
| 622 | 875 // (re)load the img from a new scaler URL |
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876 var redisplay = function (data) { |
| 636 | 877 var settings = data.settings; |
| 878 if (settings.interactionMode === 'fullscreen') { | |
| 879 // update location.href (browser URL) in fullscreen mode | |
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880 var url = getDigilibUrl(data); |
| 636 | 881 var history = window.history; |
| 882 if (typeof(history.pushState) === 'function') { | |
| 883 console.debug("we could modify history, but we don't..."); | |
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884 } |
| 636 | 885 window.location = url; |
| 886 } else { | |
| 887 // embedded mode -- just change img src | |
| 888 var url = getScalerUrl(data); | |
| 889 data.$img.attr('src', url); | |
| 726 | 890 // redisplay bird img |
| 891 updateBirdDiv(data); | |
| 765 | 892 highlightButtons(data); |
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893 } |
| 622 | 894 }; |
| 895 | |
| 767 | 896 // update display (overlays etc.) |
| 897 var updateDisplay = function (data) { | |
| 898 updateImgTrafo(data); | |
| 899 renderMarks(data); | |
| 900 setupZoomDrag(data); | |
| 901 if (data.settings.isBirdDivVisible) { | |
| 902 renderBirdArea(data); | |
| 903 setupBirdDrag(data); | |
| 904 } | |
| 905 // TODO: update event subscriber? | |
| 906 }; | |
| 775 | 907 |
| 662 | 908 // returns maximum size for scaler img in fullscreen mode |
| 778 | 909 var getFullscreenImgSize = function (data) { |
| 662 | 910 var $win = $(window); |
| 911 var winH = $win.height(); | |
| 778 | 912 var winW = $win.width() - data.settings.scalerInset; |
| 662 | 913 // TODO: account for borders? |
| 778 | 914 console.debug(winW, winH); |
| 662 | 915 return geom.size(winW, winH); |
| 916 }; | |
| 917 | |
| 608 | 918 // creates HTML structure for digilib in elem |
| 627 | 919 var setupScalerDiv = function (data) { |
| 920 var settings = data.settings; | |
| 647 | 921 var $elem = data.$elem; |
| 725 | 922 $elem.addClass('digilib'); |
| 728 | 923 var $img; |
| 924 var scalerUrl; | |
| 608 | 925 if (settings.interactionMode === 'fullscreen') { |
| 728 | 926 // fullscreen |
| 725 | 927 $elem.addClass('dl_fullscreen'); |
| 778 | 928 var imgSize = getFullscreenImgSize(data); |
| 650 | 929 // fitwidth/height omits destination height/width |
| 728 | 930 if (data.dlOpts.fitheight == null) { |
| 650 | 931 settings.dw = imgSize.width; |
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932 } |
| 728 | 933 if (data.dlOpts.fitwidth == null) { |
| 650 | 934 settings.dh = imgSize.height; |
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935 } |
| 686 | 936 scalerUrl = getScalerUrl(data); |
| 728 | 937 $img = $('<img/>'); |
| 609 | 938 } else { |
| 728 | 939 // embedded mode -- try to keep img tag |
| 725 | 940 $elem.addClass('dl_embedded'); |
| 728 | 941 scalerUrl = getScalerUrl(data); |
| 623 | 942 $img = $elem.find('img'); |
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943 if ($img.length > 0) { |
| 728 | 944 oldUrl = $img.attr('src'); |
| 945 if (oldUrl === scalerUrl) { | |
| 946 console.debug("img detach:", $img); | |
| 947 $img.detach(); | |
| 948 } else { | |
| 949 $img = $('<img/>'); | |
| 950 } | |
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951 } else { |
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952 $img = $('<img/>'); |
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953 } |
| 608 | 954 } |
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955 // create new html |
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956 $elem.empty(); // TODO: should we keep stuff for customization? |
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957 var $scaler = $('<div class="scaler"/>'); |
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958 $elem.append($scaler); |
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959 $scaler.append($img); |
| 622 | 960 $img.addClass('pic'); |
| 649 | 961 data.$scaler = $scaler; |
| 636 | 962 data.$img = $img; |
| 687 | 963 // setup image load handler before setting the src attribute (IE bug) |
| 964 $img.load(scalerImgLoadedHandler(data)); | |
| 767 | 965 $img.error(function () {console.error("error loading scaler image");}); |
| 687 | 966 $img.attr('src', scalerUrl); |
| 608 | 967 }; |
| 615 | 968 |
| 610 | 969 // creates HTML structure for buttons in elem |
| 697 | 970 var createButtons = function (data, buttonSetIdx) { |
| 647 | 971 var $elem = data.$elem; |
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972 var settings = data.settings; |
| 665 | 973 var mode = settings.interactionMode; |
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974 var buttonSettings = settings.buttonSettings[mode]; |
| 682 | 975 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 690 | 976 if (buttonGroup == null) { |
| 977 // no buttons here | |
| 978 return; | |
| 979 } | |
| 980 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 682 | 981 var buttonNames = buttonSettings[buttonGroup]; |
| 982 for (var i = 0; i < buttonNames.length; i++) { | |
| 983 var buttonName = buttonNames[i]; | |
| 984 var buttonConfig = settings.buttons[buttonName]; | |
| 665 | 985 // construct the button html |
| 986 var $button = $('<div class="button"></div>'); | |
| 987 var $a = $('<a/>'); | |
| 988 var $img = $('<img class="button"/>'); | |
| 989 $buttonsDiv.append($button); | |
| 990 $button.append($a); | |
| 991 $a.append($img); | |
| 992 // add attributes and bindings | |
| 993 $button.attr('title', buttonConfig.tooltip); | |
| 682 | 994 $button.addClass('button-' + buttonName); |
| 665 | 995 // create handler for the buttons |
| 996 $a.bind('click.digilib', (function () { | |
| 997 // we create a new closure to capture the value of action | |
| 998 var action = buttonConfig.onclick; | |
| 999 if ($.isArray(action)) { | |
| 1000 // the handler function calls digilib with action and parameters | |
| 1001 return function (evt) { | |
| 1002 console.debug('click action=', action, ' evt=', evt); | |
| 1003 $elem.digilib.apply($elem, action); | |
| 1004 return false; | |
| 1005 }; | |
| 1006 } else { | |
| 1007 // the handler function calls digilib with action | |
| 1008 return function (evt) { | |
| 1009 console.debug('click action=', action, ' evt=', evt); | |
| 1010 $elem.digilib(action); | |
| 1011 return false; | |
| 1012 }; | |
| 1013 } | |
| 1014 })()); | |
| 765 | 1015 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 690 | 1016 } |
| 662 | 1017 // make buttons div scroll if too large for window |
| 1018 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1019 $buttonsDiv.css('position', 'absolute'); | |
| 1020 } | |
| 697 | 1021 // buttons hidden at first |
| 1022 $buttonsDiv.hide(); | |
| 1023 $elem.append($buttonsDiv); | |
| 682 | 1024 if (data.$buttonSets == null) { |
| 697 | 1025 // first button set |
| 682 | 1026 data.$buttonSets = [$buttonsDiv]; |
| 1027 } else { | |
| 690 | 1028 $elem.append($buttonsDiv); |
| 682 | 1029 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1030 } | |
| 612 | 1031 return $buttonsDiv; |
| 610 | 1032 }; |
| 615 | 1033 |
| 1034 // creates HTML structure for the bird's eye view in elem | |
| 638 | 1035 var setupBirdDiv = function (data) { |
| 647 | 1036 var $elem = data.$elem; |
| 615 | 1037 // the bird's eye div |
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1038 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 615 | 1039 // the detail indicator frame |
| 726 | 1040 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 615 | 1041 // the small image |
| 1042 var $birdImg = $('<img class="birdimg"/>'); | |
| 723 | 1043 data.$birdDiv = $birdDiv; |
| 1044 data.$birdZoom = $birdZoom; | |
| 1045 data.$birdImg = $birdImg; | |
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1046 $elem.append($birdDiv); |
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1047 $birdDiv.append($birdZoom); |
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1048 $birdDiv.append($birdImg); |
| 775 | 1049 // $birdZoom.css(data.settings.birdIndicatorStyle); |
| 723 | 1050 var birdUrl = getBirdImgUrl(data); |
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1051 $birdImg.load(birdImgLoadedHandler(data)); |
| 767 | 1052 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 723 | 1053 $birdImg.attr('src', birdUrl); |
| 1054 }; | |
| 1055 | |
| 1056 // update bird's eye view | |
| 1057 var updateBirdDiv = function (data) { | |
| 1058 if (!data.settings.isBirdDivVisible) return; | |
| 1059 var $birdImg = data.$birdImg; | |
| 1060 var oldsrc = $birdImg.attr('src'); | |
| 1061 var newsrc = getBirdImgUrl(data); | |
| 1062 if (oldsrc !== newsrc) { | |
| 1063 $birdImg.attr('src', newsrc); | |
| 1064 // onload handler re-renders | |
| 1065 } else { | |
| 1066 // re-render | |
| 1067 renderBirdArea(data); | |
| 730 | 1068 // enable click and drag |
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1069 setupBirdDrag(data); |
| 723 | 1070 } |
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1071 }; |
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1072 |
| 625 | 1073 // creates HTML structure for the about view in elem |
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1074 var setupAboutDiv = function (data) { |
| 647 | 1075 var $elem = data.$elem; |
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1076 var settings = data.settings; |
| 625 | 1077 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 616 | 1078 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1079 var $link = $('<a/>'); | |
| 1080 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1081 var $content = $('<p/>'); | |
| 1082 $elem.append($aboutDiv); | |
| 1083 $aboutDiv.append($header); | |
| 1084 $aboutDiv.append($link); | |
| 1085 $aboutDiv.append($content); | |
| 1086 $link.append($logo); | |
| 1087 $logo.attr('src', settings.logoUrl); | |
| 635 | 1088 $link.attr('href', settings.homeUrl); |
| 616 | 1089 $content.text('Version: ' + settings.version); |
| 775 | 1090 data.$aboutDiv = $aboutDiv; |
| 635 | 1091 // click hides |
| 775 | 1092 $aboutDiv.bind('click.digilib', function () { |
| 1093 actions['showAboutDiv'](data, false); | |
| 710 | 1094 }); |
| 634 | 1095 }; |
| 1096 | |
| 635 | 1097 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1098 var showDiv = function (isVisible, $div, show) { | |
| 645 | 1099 if (show == null) { |
| 635 | 1100 // toggle visibility |
| 1101 isVisible = !isVisible; | |
| 1102 } else { | |
| 1103 // set visibility | |
| 1104 isVisible = show; | |
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1105 } |
| 635 | 1106 if (isVisible) { |
| 1107 $div.fadeIn(); | |
| 1108 } else { | |
| 1109 $div.fadeOut(); | |
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1110 } |
| 635 | 1111 return isVisible; |
| 634 | 1112 }; |
| 616 | 1113 |
| 697 | 1114 // display more (or less) button sets |
| 1115 var showButtons = function (data, more, setIdx, animated) { | |
| 711 | 1116 var atime = animated ? 'fast': 0; |
| 697 | 1117 if (more) { |
| 1118 // add set | |
| 1119 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1120 var $set; | |
| 1121 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1122 // set exists | |
| 1123 $set = data.$buttonSets[setIdx]; | |
| 1124 } else { | |
| 1125 $set = createButtons(data, setIdx); | |
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1126 } |
| 697 | 1127 if ($set == null) return false; |
| 765 | 1128 // include border in calculation |
| 1129 var btnWidth = $set.outerWidth(); | |
| 697 | 1130 // move remaining sets left and show new set |
| 711 | 1131 if ($otherSets.length > 0) { |
| 1132 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1133 function () {$set.show();}); | |
| 697 | 1134 } else { |
| 1135 $set.show(); | |
| 711 | 1136 } |
| 697 | 1137 } else { |
| 1138 // remove set | |
| 1139 var $set = data.$buttonSets[setIdx]; | |
| 1140 if ($set == null) return false; | |
| 1141 var btnWidth = $set.width(); | |
| 1142 // hide last set | |
| 1143 $set.hide(); | |
| 1144 // take remaining sets and move right | |
| 1145 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 711 | 1146 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1147 } | |
| 697 | 1148 return true; |
| 1149 }; | |
| 1150 | |
| 765 | 1151 // check for buttons to highlight |
| 1152 var highlightButtons = function (data, name, on) { | |
| 1153 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1154 // add a class for highlighted button | |
| 1155 var highlight = function (name, on) { | |
| 1156 var $button = $buttons.find('div.button-' + name); | |
| 1157 if (on) { | |
| 1158 $button.addClass('button-on'); | |
| 1159 } else { | |
| 1160 $button.removeClass('button-on'); | |
| 1161 } | |
| 1162 }; | |
| 1163 if (name != null) { | |
| 1164 return highlight(name, on); | |
| 1165 } | |
| 1166 var flags = data.scalerFlags; | |
| 1167 var settings = data.settings; | |
| 1168 highlight('rot', settings.rot); | |
| 1169 highlight('brgt', settings.brgt); | |
| 1170 highlight('cont', settings.cont); | |
| 1171 highlight('bird', settings.isBirdDivVisible); | |
| 1172 highlight('help', settings.isAboutDivVisible); | |
| 1173 highlight('hmir', flags.hmir); | |
| 1174 highlight('vmir', flags.vmir); | |
| 766 | 1175 highlight('quality', flags.q1 || flags.q2); |
| 765 | 1176 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1177 }; | |
| 775 | 1178 |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1179 // create Transform from area and $img |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1180 var getImgTrafo = function ($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
|
1181 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
|
1182 if (mode != null) { |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1183 var imgInfo = data.imgInfo; |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1184 if (mode === 'pixel') { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1185 // 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
|
1186 if (imgInfo != null) { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1187 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
|
1188 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
|
1189 } else { |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1190 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
|
1191 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1192 } |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1193 if (mode === 'size') { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1194 // 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
|
1195 if (imgInfo != null) { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1196 var ddpi = parseFloat(data.settings.ddpi); |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1197 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
|
1198 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
|
1199 } else { |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1200 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
|
1201 } |
|
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1202 } |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1203 } |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1204 var trafo = geom.transform(); |
| 675 | 1205 // 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
|
1206 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1207 // 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
|
1208 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1209 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1210 if (rot || hmir || vmir) { | |
| 1211 // move [0.5,0.5] to center | |
| 1212 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1213 if (hmir) { | |
| 1214 // mirror about center | |
| 1215 trafo.concat(trafo.getMirror('y')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1216 } |
| 675 | 1217 if (vmir) { |
| 1218 // mirror about center | |
| 1219 trafo.concat(trafo.getMirror('x')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1220 } |
| 675 | 1221 if (rot) { |
| 1222 // rotate around center | |
| 1223 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1224 } |
| 675 | 1225 // move back |
| 1226 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
|
1227 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1228 // 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
|
1229 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
|
1230 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
|
1231 return trafo; |
| 655 | 1232 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1233 |
| 767 | 1234 // update scaler image transform |
| 1235 var updateImgTrafo = function (data) { | |
| 1236 var $img = data.$img; | |
| 1237 if ($img != null && $img.get(0).complete) { | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1238 // create Transform from current zoomArea and image size |
| 675 | 1239 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1240 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
|
1241 data.scaleMode, data); |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1242 // console.debug("imgTrafo=", data.imgTrafo); |
| 767 | 1243 } |
| 1244 }; | |
| 775 | 1245 |
| 767 | 1246 // returns function for load event of scaler img |
| 1247 var scalerImgLoadedHandler = function (data) { | |
| 1248 return function () { | |
| 1249 var $img = $(this); | |
| 1250 console.debug("scaler img loaded=",$img); | |
| 1251 var $scaler = data.$scaler; | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1252 var imgRect = geom.rectangle($img); |
| 733 | 1253 // adjust scaler div size |
| 738 | 1254 imgRect.adjustDiv($scaler); |
| 715 | 1255 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1256 $img.css('visibility', 'visible'); |
| 741 | 1257 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1258 // update display (render marks, etc.) |
| 1259 updateDisplay(data); | |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1260 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1261 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1262 |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1263 // 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
|
1264 var birdImgLoadedHandler = function (data) { |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1265 return function () { |
| 755 | 1266 var $birdImg = $(this); |
| 1267 var birdRect = geom.rectangle($birdImg); | |
| 1268 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1269 if (birdRect.width === 0) { | |
| 1270 // 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
|
1271 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 755 | 1272 } |
| 767 | 1273 // update display (zoom area indicator) |
| 1274 updateDisplay(data); | |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1275 }; |
|
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1276 }; |
| 633 | 1277 |
| 1278 // place marks on the image | |
| 1279 var renderMarks = function (data) { | |
| 767 | 1280 if (data.$img == null || data.imgTrafo == null) return; |
| 1281 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 647 | 1282 var $elem = data.$elem; |
| 643 | 1283 var marks = data.marks; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1284 // clear marks |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1285 $elem.find('div.mark').remove(); |
| 633 | 1286 for (var i = 0; i < marks.length; i++) { |
| 1287 var mark = marks[i]; | |
| 643 | 1288 if (data.zoomArea.containsPosition(mark)) { |
| 633 | 1289 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
|
1290 console.debug("renderMarks: mpos=",mpos); |
| 633 | 1291 // create mark |
| 1292 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1293 var $mark = $(html); | |
| 1294 $elem.append($mark); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1295 mpos.adjustDiv($mark); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1296 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1297 } |
| 633 | 1298 }; |
| 655 | 1299 |
|
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1300 // show zoom area indicator on bird's eye view |
| 723 | 1301 var renderBirdArea = function (data) { |
|
772
33b5477f8d84
original size mode works with zoom area now. needs error handling.
robcast
parents:
769
diff
changeset
|
1302 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1303 var $birdZoom = data.$birdZoom; |
| 659 | 1304 var zoomArea = data.zoomArea; |
| 723 | 1305 var normalSize = isFullArea(zoomArea); |
| 1306 if (normalSize) { | |
| 1307 $birdZoom.hide(); | |
| 1308 return; | |
| 1309 } else { | |
| 1310 $birdZoom.show(); | |
| 1311 } | |
| 755 | 1312 // create Transform from current area and picsize |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1313 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 738 | 1314 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 755 | 1315 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 741 | 1316 // acount for border width |
| 775 | 1317 var bw = getBorderWidth($birdZoom); |
| 1318 zoomRect.addPosition({x : -bw, y : -bw}); | |
|
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1319 if (data.settings.interactionMode === 'fullscreen') { |
|
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1320 // no animation for fullscreen |
| 738 | 1321 zoomRect.adjustDiv($birdZoom); |
| 723 | 1322 } else { |
| 1323 // nice animation for embedded mode :-) | |
| 741 | 1324 // correct offsetParent because animate doesn't use offset |
| 726 | 1325 var ppos = $birdZoom.offsetParent().offset(); |
| 738 | 1326 var dest = { |
| 755 | 1327 left : (zoomRect.x - ppos.left) + 'px', |
| 1328 top : (zoomRect.y - ppos.top) + 'px', | |
| 1329 width : zoomRect.width, | |
| 1330 height : zoomRect.height | |
| 1331 }; | |
| 738 | 1332 $birdZoom.animate(dest); |
| 723 | 1333 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1334 }; |
| 659 | 1335 |
| 647 | 1336 // zooms by the given factor |
| 643 | 1337 var zoomBy = function(data, factor) { |
| 1338 var area = data.zoomArea; | |
| 1339 var newarea = area.copy(); | |
| 1340 // scale | |
| 1341 newarea.width /= factor; | |
| 1342 newarea.height /= factor; | |
| 1343 // and recenter | |
| 1344 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1345 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1346 newarea = FULL_AREA.fit(newarea); |
| 643 | 1347 data.zoomArea = newarea; |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1348 redisplay(data); |
| 643 | 1349 }; |
| 1350 | |
| 647 | 1351 // add a mark where clicked |
| 1352 var setMark = function (data) { | |
| 649 | 1353 var $scaler = data.$scaler; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1354 // unbind other handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1355 $scaler.unbind(".dlZoomDrag"); |
| 647 | 1356 // start event capturing |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1357 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 647 | 1358 // event handler adding a new mark |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1359 console.log("setmark at=", evt); |
|
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1360 var mpos = geom.position(evt); |
| 647 | 1361 var pos = data.imgTrafo.invtransform(mpos); |
| 1362 data.marks.push(pos); | |
| 1363 redisplay(data); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1364 return false; |
| 647 | 1365 }); |
| 1366 }; | |
| 668 | 1367 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1368 // zoom to the area around two clicked points |
| 654 | 1369 var zoomArea = function(data) { |
| 1370 $elem = data.$elem; | |
| 1371 $scaler = data.$scaler; | |
| 1372 var pt1, pt2; | |
| 1373 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1374 $elem.append($zoomDiv); | |
| 775 | 1375 // $zoomDiv.css(data.settings.zoomrectStyle); |
| 654 | 1376 var picRect = geom.rectangle($scaler); |
| 1377 // FIX ME: is there a way to query the border width from CSS info? | |
| 1378 // rect.x -= 2; // account for overlay borders | |
| 1379 // rect.y -= 2; | |
| 1380 | |
| 1381 var zoomStart = function (evt) { | |
| 1382 pt1 = geom.position(evt); | |
| 1383 // setup and show zoom div | |
| 738 | 1384 pt1.adjustDiv($zoomDiv); |
| 668 | 1385 $zoomDiv.width(0).height(0); |
| 654 | 1386 $zoomDiv.show(); |
| 1387 // register events | |
| 738 | 1388 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1389 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1390 return false; |
| 1391 }; | |
| 668 | 1392 |
| 741 | 1393 // mouse move handler |
| 1394 var zoomMove = function (evt) { | |
| 1395 pt2 = geom.position(evt); | |
| 1396 var rect = geom.rectangle(pt1, pt2); | |
| 1397 rect.clipTo(picRect); | |
| 1398 // update zoom div | |
| 1399 rect.adjustDiv($zoomDiv); | |
| 1400 return false; | |
| 1401 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1402 |
| 654 | 1403 // mouseup handler: end moving |
| 1404 var zoomEnd = function (evt) { | |
| 1405 pt2 = geom.position(evt); | |
| 1406 // assume a click and continue if the area is too small | |
| 1407 var clickRect = geom.rectangle(pt1, pt2); | |
| 710 | 1408 if (clickRect.getArea() <= 5) return false; |
| 654 | 1409 // hide zoom div |
| 1410 $zoomDiv.remove(); | |
| 1411 // unregister events | |
| 738 | 1412 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1413 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1414 // clip and transform |
| 1415 clickRect.clipTo(picRect); | |
| 1416 var area = data.imgTrafo.invtransform(clickRect); | |
| 1417 data.zoomArea = area; | |
| 1418 // zoomed is always fit | |
| 1419 data.settings.ws = 1; | |
| 738 | 1420 delete data.dlOpts.fitwidth; |
| 1421 delete data.dlOpts.fitheight; | |
| 654 | 1422 redisplay(data); |
| 1423 return false; | |
| 1424 }; | |
| 668 | 1425 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1426 // clear old handler (also ZoomDrag) |
| 738 | 1427 $scaler.unbind('.dlZoomArea'); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1428 $scaler.unbind(".dlZoomDrag"); |
| 738 | 1429 $elem.unbind('.dlZoomArea'); |
| 654 | 1430 // bind start zoom handler |
| 738 | 1431 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 654 | 1432 }; |
| 647 | 1433 |
| 723 | 1434 // 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
|
1435 var setupBirdDrag = function(data) { |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1436 var $birdImg = data.$birdImg; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1437 var $birdZoom = data.$birdZoom; |
| 730 | 1438 var $document = $(document); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1439 var $scaler = data.$scaler; |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1440 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
| 775 | 1441 var bw = getBorderWidth($birdZoom); |
|
678
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first step at dragging birdview zoom indicator around
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parents:
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diff
changeset
|
1442 |
| 741 | 1443 // mousedown handler: start dragging bird zoom to a new position |
| 1444 var birdZoomStartDrag = function(evt) { | |
| 1445 startPos = geom.position(evt); | |
| 1446 // position may have changed | |
| 1447 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1448 birdImgRect = geom.rectangle($birdImg); | |
| 1449 birdZoomRect = geom.rectangle($birdZoom); | |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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parents:
748
diff
changeset
|
1450 scalerPos = geom.position($scaler); |
| 741 | 1451 newRect = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
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diff
changeset
|
1452 fullRect = setZoomBG(data); // setup zoom background image |
| 741 | 1453 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1454 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1455 return false; | |
| 1456 }; | |
| 1457 | |
| 733 | 1458 // mousemove handler: drag |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
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diff
changeset
|
1459 var birdZoomMove = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1460 var pos = geom.position(evt); |
| 730 | 1461 var delta = startPos.delta(pos); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
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diff
changeset
|
1462 // move birdZoom div, keeping size |
| 730 | 1463 newRect = birdZoomRect.copy(); |
| 733 | 1464 newRect.addPosition(delta); |
|
678
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1465 newRect.stayInside(birdImgRect); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1466 // reflect birdview zoom position in scaler image |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1467 var area = data.birdTrafo.invtransform(newRect); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1468 var imgArea = data.imgTrafo.transform(area); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1469 var offset = imgArea.getPosition().neg(); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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parents:
748
diff
changeset
|
1470 offset.add(scalerPos); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1471 if (fullRect) { |
|
2e9a48dc7a0c
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745
diff
changeset
|
1472 var bgPos = fullRect.getPosition().add(offset); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1473 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1474 var bgPos = offset; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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diff
changeset
|
1475 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1476 // move the background image to the new position |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1477 data.$scaler.css({ |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1478 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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745
diff
changeset
|
1479 }); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
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parents:
748
diff
changeset
|
1480 // acount for border width |
| 775 | 1481 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
|
1482 newRect.adjustDiv($birdZoom); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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diff
changeset
|
1483 return false; |
|
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first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1484 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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diff
changeset
|
1485 |
| 733 | 1486 // mouseup handler: reload page |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1487 var birdZoomEndDrag = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1488 var settings = data.settings; |
| 730 | 1489 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1490 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1491 if (newRect == null) { | |
| 1492 // no movement happened - set center to click position | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
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diff
changeset
|
1493 startPos = birdZoomRect.getCenter(); |
| 730 | 1494 birdZoomMove(evt); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1495 } |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1496 // ugly, but needed to prevent double border width compensation |
| 775 | 1497 newRect.addPosition({x : bw, y : bw}); |
| 730 | 1498 var newArea = data.birdTrafo.invtransform(newRect); |
| 1499 data.zoomArea = newArea; | |
|
678
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first step at dragging birdview zoom indicator around
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diff
changeset
|
1500 redisplay(data); |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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677
diff
changeset
|
1501 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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parents:
677
diff
changeset
|
1502 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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677
diff
changeset
|
1503 |
| 730 | 1504 // clear old handler |
| 1505 $document.unbind(".dlBirdMove"); | |
| 1506 $birdImg.unbind(".dlBirdMove"); | |
| 1507 $birdZoom.unbind(".dlBirdMove"); | |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1508 if (! isFullArea(data.zoomArea)) { |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1509 // set new handler |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1510 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1511 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1512 } |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
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diff
changeset
|
1513 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
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677
diff
changeset
|
1514 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
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parents:
745
diff
changeset
|
1515 // move bird zoom indicator to reflect zoomed detail area |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
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parents:
744
diff
changeset
|
1516 var setBirdZoom = function(data, rect) { |
|
ad483c008159
move birdview zoom indicator along with zoom drag
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parents:
744
diff
changeset
|
1517 var part = data.imgTrafo.invtransform(rect); |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1518 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
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parents:
744
diff
changeset
|
1519 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
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parents:
744
diff
changeset
|
1520 var birdRect = birdTrafo.transform(part); |
| 775 | 1521 var $birdZoom = data.$birdZoom; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1522 // acount for border width |
| 775 | 1523 var bw = getBorderWidth($birdZoom); |
| 1524 birdRect.addPosition({x : -bw, y : -bw}); | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1525 birdRect.adjustDiv(data.$birdZoom); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1526 }; |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1527 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1528 // set zoom background |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1529 var setZoomBG = function(data) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1530 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1531 var $img = data.$img; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1532 var fullRect = null; |
| 767 | 1533 // hide marks |
| 1534 data.$elem.find('div.mark').hide(); | |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1535 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1536 $img.css('visibility', 'hidden'); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1537 var scalerCss = { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1538 'background-image' : 'url(' + $img.attr('src') + ')', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1539 'background-repeat' : 'no-repeat', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1540 'background-position' : 'left top', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1541 'opacity' : '0.5', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1542 'cursor' : 'move' |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1543 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1544 if (data.hasBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1545 // full-size background using CSS3-background-size |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1546 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1547 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1548 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1549 var scalerPos = geom.position($scaler); |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1550 fullRect.addPosition(scalerPos.neg()); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1551 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1552 scalerCss['background-image'] = 'url(' + url + ')'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1553 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1554 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1555 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1556 // too big |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1557 fullRect = null; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1558 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1559 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1560 $scaler.css(scalerCss); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1561 // isBgReady = true; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1562 return fullRect; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1563 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1564 |
| 738 | 1565 // setup handlers for dragging the zoomed image |
| 705 | 1566 var setupZoomDrag = function(data) { |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1567 var startPos, delta, fullRect; |
| 733 | 1568 var $document = $(document); |
| 705 | 1569 var $elem = data.$elem; |
| 1570 var $scaler = data.$scaler; | |
| 1571 var $img = data.$img; | |
| 710 | 1572 |
| 733 | 1573 // drag the image and load a new detail on mouse up |
| 705 | 1574 var dragStart = function (evt) { |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1575 console.debug("dragstart at=",evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1576 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1577 if (isFullArea(data.zoomArea)) return false; |
| 733 | 1578 startPos = geom.position(evt); |
| 741 | 1579 delta = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1580 // set low res background immediately on mousedown |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1581 fullRect = setZoomBG(data); |
| 733 | 1582 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1583 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1584 return false; |
| 705 | 1585 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1586 |
| 733 | 1587 // mousemove handler: drag zoomed image |
| 705 | 1588 var dragMove = function (evt) { |
| 1589 var pos = geom.position(evt); | |
| 741 | 1590 delta = startPos.delta(pos); |
| 1591 if (fullRect) { | |
| 1592 var bgPos = fullRect.getPosition().add(delta); | |
| 1593 } else { | |
| 1594 var bgPos = delta; | |
| 1595 } | |
| 705 | 1596 // move the background image to the new position |
| 715 | 1597 $scaler.css({ |
| 741 | 1598 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 705 | 1599 }); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1600 // set birdview indicator to reflect new zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1601 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1602 za.addPosition(delta.neg()); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1603 setBirdZoom(data, za); |
| 705 | 1604 return false; |
| 1605 }; | |
| 710 | 1606 |
| 733 | 1607 // mouseup handler: reload zoomed image in new position |
| 705 | 1608 var dragEnd = function (evt) { |
| 739 | 1609 $scaler.css('cursor', 'auto'); |
| 733 | 1610 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1611 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1612 if (delta == null || delta.distance() < 2) { | |
| 1613 // no movement | |
| 1614 $img.css('visibility', 'visible'); | |
| 741 | 1615 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1616 // unhide marks |
| 1617 data.$elem.find('div.mark').show(); | |
| 733 | 1618 return false; |
| 1619 } | |
| 1620 // get old zoom area (screen coordinates) | |
| 741 | 1621 var za = geom.rectangle($img); |
| 733 | 1622 // move |
| 741 | 1623 za.addPosition(delta.neg()); |
| 733 | 1624 // transform back |
| 1625 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1626 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1627 redisplay(data); |
| 705 | 1628 return false; |
| 1629 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1630 |
| 733 | 1631 // clear old handler |
| 1632 $document.unbind(".dlZoomDrag"); | |
| 741 | 1633 $scaler.unbind(".dlZoomDrag"); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1634 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1635 // set handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1636 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1637 } |
| 705 | 1638 }; |
| 1639 | |
| 703 | 1640 // get image quality as a number (0..2) |
| 1641 var getQuality = function (data) { | |
| 1642 var flags = data.scalerFlags; | |
| 1643 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1644 return parseInt(q[1], 10); | |
| 706 | 1645 }; |
| 703 | 1646 |
| 1647 // set image quality as a number (0..2) | |
| 1648 var setQuality = function (data, qual) { | |
| 1649 var flags = data.scalerFlags; | |
| 1650 // clear flags | |
| 1651 for (var i = 0; i < 3; ++i) { | |
| 1652 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1653 } |
| 703 | 1654 flags['q'+qual] = 'q'+qual; |
| 706 | 1655 }; |
| 710 | 1656 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1657 // get image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1658 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1659 if (data.scalerFlags.clip != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1660 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1661 } else if (data.scalerFlags.osize != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1662 return 'size'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1663 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1664 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1665 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1666 }; |
| 775 | 1667 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1668 // set image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1669 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1670 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1671 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1672 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1673 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1674 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1675 } else if (mode === 'size') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1676 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1677 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1678 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1679 }; |
| 775 | 1680 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1681 // sets a key to a value (relative values with +/- if relative=true) |
| 650 | 1682 var setNumValue = function(settings, key, value) { |
| 716 | 1683 if (value == null) return null; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1684 if (isNumber(value)) { |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1685 settings[key] = value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1686 return value; |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1687 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1688 var sign = value[0]; |
| 650 | 1689 if (sign === '+' || sign === '-') { |
| 1690 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1691 // this isn't perfect but still... |
| 650 | 1692 settings[key] = 0; |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1693 } |
| 650 | 1694 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1695 } else { | |
| 1696 settings[key] = value; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1697 } |
| 650 | 1698 return settings[key]; |
| 1699 }; | |
| 655 | 1700 |
| 775 | 1701 // auxiliary function, assuming equal border width on all sides |
| 1702 var getBorderWidth = function($elem) { | |
| 1703 var border = $elem.outerWidth() - $elem.width(); | |
| 1704 return border/2; | |
| 1705 }; | |
| 1706 | |
| 655 | 1707 // auxiliary function (from old dllib.js) |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1708 var isFullArea = function(area) { |
| 659 | 1709 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1710 }; |
| 1711 | |
| 641 | 1712 // auxiliary function (from Douglas Crockford, A.10) |
| 1713 var isNumber = function isNumber(value) { | |
| 710 | 1714 return typeof value === 'number' && isFinite(value); |
| 641 | 1715 }; |
| 655 | 1716 |
| 631 | 1717 // auxiliary function to crop senseless precision |
| 1718 var cropFloat = function (x) { | |
| 637 | 1719 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1720 }; |
| 655 | 1721 |
| 692 | 1722 // fallback for console.log calls |
| 1723 if (customConsole) { | |
| 1724 var logFunction = function(type) { | |
| 1725 return function(){ | |
| 1726 var $debug = $('#debug'); // debug div | |
| 1727 if (!$debug) return; | |
| 1728 var args = Array.prototype.slice.call(arguments); | |
| 1729 var argtext = args.join(' '); | |
| 1730 var $logDiv = $('<div/>'); | |
| 1731 $logDiv.addClass(type); | |
| 1732 $logDiv.text(argtext); | |
| 1733 $debug.append($logDiv); | |
| 1734 }; | |
| 1735 }; | |
| 1736 console.log = logFunction('_log'); | |
| 1737 console.debug = logFunction('_debug'); | |
| 1738 console.error = logFunction('_error'); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1739 } |
| 692 | 1740 |
| 605 | 1741 // hook plugin into jquery |
| 778 | 1742 $.fn.digilib = function(action) { |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1743 // plugin extension mechanism |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1744 if (action === 'extendPlugin') { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1745 // for each digilib $elem extend data.settings with obj.options |
| 778 | 1746 // TODO: couldn't other plugins just access $elem.data('digilib')? |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1747 if (obj.options) { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1748 this.each(function() { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1749 var $elem = $(this); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1750 // console.debug('extending:', $elem); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1751 var data = $elem.data('digilib'); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1752 if (!data) { |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1753 return console.log('cannot extend digilib plugin, element not initialised!'); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1754 } |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1755 var settings = data.settings; |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1756 $.extend(settings, obj.options); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1757 // console.log('settings:', settings); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1758 }); |
| 778 | 1759 delete(obj.options); |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1760 } |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1761 // extend the plugin actions (to make this useful, |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1762 // maybe we need to expose some more internal functions) |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1763 $.extend(actions, obj); |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1764 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1765 // 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
|
1766 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1767 var data = $elem.data('digilib'); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1768 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1769 args.unshift(data); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1770 return actions[action].apply(this, args); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1771 } else if (typeof(action) === 'object' || !action) { |
| 634 | 1772 // call init on this |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
650
diff
changeset
|
1773 return actions.init.apply(this, arguments); |
| 605 | 1774 } else { |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1775 $.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
|
1776 } |
| 605 | 1777 }; |
| 692 | 1778 |
| 604 | 1779 })(jQuery); |