[795] | 1 | /* Prototype JavaScript framework, version 1.5.0 |
---|
| 2 | * (c) 2005-2007 Sam Stephenson |
---|
| 3 | * |
---|
| 4 | * Prototype is freely distributable under the terms of an MIT-style license. |
---|
| 5 | * For details, see the Prototype web site: http://prototype.conio.net/ |
---|
| 6 | * |
---|
| 7 | /*--------------------------------------------------------------------------*/ |
---|
| 8 | |
---|
| 9 | var Prototype = { |
---|
| 10 | Version: '1.5.0', |
---|
| 11 | BrowserFeatures: { |
---|
| 12 | XPath: !!document.evaluate |
---|
| 13 | }, |
---|
| 14 | |
---|
| 15 | ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', |
---|
| 16 | emptyFunction: function() {}, |
---|
| 17 | K: function(x) { return x } |
---|
| 18 | }; |
---|
| 19 | |
---|
| 20 | var Class = { |
---|
| 21 | create: function() { |
---|
| 22 | return function() { |
---|
| 23 | this.initialize.apply(this, arguments); |
---|
| 24 | } |
---|
| 25 | } |
---|
| 26 | }; |
---|
| 27 | |
---|
| 28 | var Abstract = new Object(); |
---|
| 29 | |
---|
| 30 | Object.extend = function(destination, source) { |
---|
| 31 | for (var property in source) { |
---|
| 32 | destination[property] = source[property]; |
---|
| 33 | } |
---|
| 34 | return destination; |
---|
| 35 | }; |
---|
| 36 | |
---|
| 37 | Object.extend(Object, { |
---|
| 38 | inspect: function(object) { |
---|
| 39 | try { |
---|
| 40 | if (object === undefined) return 'undefined'; |
---|
| 41 | if (object === null) return 'null'; |
---|
| 42 | return object.inspect ? object.inspect() : object.toString(); |
---|
| 43 | } catch (e) { |
---|
| 44 | if (e instanceof RangeError) return '...'; |
---|
| 45 | throw e; |
---|
| 46 | } |
---|
| 47 | }, |
---|
| 48 | |
---|
| 49 | keys: function(object) { |
---|
| 50 | var keys = []; |
---|
| 51 | for (var property in object) |
---|
| 52 | keys.push(property); |
---|
| 53 | return keys; |
---|
| 54 | }, |
---|
| 55 | |
---|
| 56 | values: function(object) { |
---|
| 57 | var values = []; |
---|
| 58 | for (var property in object) |
---|
| 59 | values.push(object[property]); |
---|
| 60 | return values; |
---|
| 61 | }, |
---|
| 62 | |
---|
| 63 | clone: function(object) { |
---|
| 64 | return Object.extend({}, object); |
---|
| 65 | } |
---|
| 66 | }); |
---|
| 67 | |
---|
| 68 | Function.prototype.bind = function() { |
---|
| 69 | var __method = this, args = $A(arguments), object = args.shift(); |
---|
| 70 | return function() { |
---|
| 71 | return __method.apply(object, args.concat($A(arguments))); |
---|
| 72 | } |
---|
| 73 | }; |
---|
| 74 | |
---|
| 75 | Function.prototype.bindAsEventListener = function(object) { |
---|
| 76 | var __method = this, args = $A(arguments), object = args.shift(); |
---|
| 77 | return function(event) { |
---|
| 78 | return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments))); |
---|
| 79 | } |
---|
| 80 | }; |
---|
| 81 | |
---|
| 82 | Object.extend(Number.prototype, { |
---|
| 83 | toColorPart: function() { |
---|
| 84 | var digits = this.toString(16); |
---|
| 85 | if (this < 16) return '0' + digits; |
---|
| 86 | return digits; |
---|
| 87 | }, |
---|
| 88 | |
---|
| 89 | succ: function() { |
---|
| 90 | return this + 1; |
---|
| 91 | }, |
---|
| 92 | |
---|
| 93 | times: function(iterator) { |
---|
| 94 | $R(0, this, true).each(iterator); |
---|
| 95 | return this; |
---|
| 96 | } |
---|
| 97 | }); |
---|
| 98 | |
---|
| 99 | var Try = { |
---|
| 100 | these: function() { |
---|
| 101 | var returnValue; |
---|
| 102 | |
---|
| 103 | for (var i = 0, length = arguments.length; i < length; i++) { |
---|
| 104 | var lambda = arguments[i]; |
---|
| 105 | try { |
---|
| 106 | returnValue = lambda(); |
---|
| 107 | break; |
---|
| 108 | } catch (e) {} |
---|
| 109 | } |
---|
| 110 | |
---|
| 111 | return returnValue; |
---|
| 112 | } |
---|
| 113 | }; |
---|
| 114 | |
---|
| 115 | /*--------------------------------------------------------------------------*/ |
---|
| 116 | |
---|
| 117 | var PeriodicalExecuter = Class.create(); |
---|
| 118 | PeriodicalExecuter.prototype = { |
---|
| 119 | initialize: function(callback, frequency) { |
---|
| 120 | this.callback = callback; |
---|
| 121 | this.frequency = frequency; |
---|
| 122 | this.currentlyExecuting = false; |
---|
| 123 | |
---|
| 124 | this.registerCallback(); |
---|
| 125 | }, |
---|
| 126 | |
---|
| 127 | registerCallback: function() { |
---|
| 128 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
---|
| 129 | }, |
---|
| 130 | |
---|
| 131 | stop: function() { |
---|
| 132 | if (!this.timer) return; |
---|
| 133 | clearInterval(this.timer); |
---|
| 134 | this.timer = null; |
---|
| 135 | }, |
---|
| 136 | |
---|
| 137 | onTimerEvent: function() { |
---|
| 138 | if (!this.currentlyExecuting) { |
---|
| 139 | try { |
---|
| 140 | this.currentlyExecuting = true; |
---|
| 141 | this.callback(this); |
---|
| 142 | } finally { |
---|
| 143 | this.currentlyExecuting = false; |
---|
| 144 | } |
---|
| 145 | } |
---|
| 146 | } |
---|
| 147 | }; |
---|
| 148 | String.interpret = function(value){ |
---|
| 149 | return value == null ? '' : String(value); |
---|
| 150 | }; |
---|
| 151 | |
---|
| 152 | Object.extend(String.prototype, { |
---|
| 153 | gsub: function(pattern, replacement) { |
---|
| 154 | var result = '', source = this, match; |
---|
| 155 | replacement = arguments.callee.prepareReplacement(replacement); |
---|
| 156 | |
---|
| 157 | while (source.length > 0) { |
---|
| 158 | if (match = source.match(pattern)) { |
---|
| 159 | result += source.slice(0, match.index); |
---|
| 160 | result += String.interpret(replacement(match)); |
---|
| 161 | source = source.slice(match.index + match[0].length); |
---|
| 162 | } else { |
---|
| 163 | result += source, source = ''; |
---|
| 164 | } |
---|
| 165 | } |
---|
| 166 | return result; |
---|
| 167 | }, |
---|
| 168 | |
---|
| 169 | sub: function(pattern, replacement, count) { |
---|
| 170 | replacement = this.gsub.prepareReplacement(replacement); |
---|
| 171 | count = count === undefined ? 1 : count; |
---|
| 172 | |
---|
| 173 | return this.gsub(pattern, function(match) { |
---|
| 174 | if (--count < 0) return match[0]; |
---|
| 175 | return replacement(match); |
---|
| 176 | }); |
---|
| 177 | }, |
---|
| 178 | |
---|
| 179 | scan: function(pattern, iterator) { |
---|
| 180 | this.gsub(pattern, iterator); |
---|
| 181 | return this; |
---|
| 182 | }, |
---|
| 183 | |
---|
| 184 | truncate: function(length, truncation) { |
---|
| 185 | length = length || 30; |
---|
| 186 | truncation = truncation === undefined ? '...' : truncation; |
---|
| 187 | return this.length > length ? |
---|
| 188 | this.slice(0, length - truncation.length) + truncation : this; |
---|
| 189 | }, |
---|
| 190 | |
---|
| 191 | strip: function() { |
---|
| 192 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
---|
| 193 | }, |
---|
| 194 | |
---|
| 195 | stripTags: function() { |
---|
| 196 | return this.replace(/<\/?[^>]+>/gi, ''); |
---|
| 197 | }, |
---|
| 198 | |
---|
| 199 | stripScripts: function() { |
---|
| 200 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
---|
| 201 | }, |
---|
| 202 | |
---|
| 203 | extractScripts: function() { |
---|
| 204 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
---|
| 205 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
---|
| 206 | return (this.match(matchAll) || []).map(function(scriptTag) { |
---|
| 207 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
---|
| 208 | }); |
---|
| 209 | }, |
---|
| 210 | |
---|
| 211 | evalScripts: function() { |
---|
| 212 | return this.extractScripts().map(function(script) { return eval(script) }); |
---|
| 213 | }, |
---|
| 214 | |
---|
| 215 | escapeHTML: function() { |
---|
| 216 | var div = document.createElement('div'); |
---|
| 217 | var text = document.createTextNode(this); |
---|
| 218 | div.appendChild(text); |
---|
| 219 | return div.innerHTML; |
---|
| 220 | }, |
---|
| 221 | |
---|
| 222 | unescapeHTML: function() { |
---|
| 223 | var div = document.createElement('div'); |
---|
| 224 | div.innerHTML = this.stripTags(); |
---|
| 225 | return div.childNodes[0] ? (div.childNodes.length > 1 ? |
---|
| 226 | $A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) : |
---|
| 227 | div.childNodes[0].nodeValue) : ''; |
---|
| 228 | }, |
---|
| 229 | |
---|
| 230 | toQueryParams: function(separator) { |
---|
| 231 | var match = this.strip().match(/([^?#]*)(#.*)?$/); |
---|
| 232 | if (!match) return {}; |
---|
| 233 | |
---|
| 234 | return match[1].split(separator || '&').inject({}, function(hash, pair) { |
---|
| 235 | if ((pair = pair.split('='))[0]) { |
---|
| 236 | var name = decodeURIComponent(pair[0]); |
---|
| 237 | var value = pair[1] ? decodeURIComponent(pair[1]) : undefined; |
---|
| 238 | |
---|
| 239 | if (hash[name] !== undefined) { |
---|
| 240 | if (hash[name].constructor != Array) |
---|
| 241 | hash[name] = [hash[name]]; |
---|
| 242 | if (value) hash[name].push(value); |
---|
| 243 | } |
---|
| 244 | else hash[name] = value; |
---|
| 245 | } |
---|
| 246 | return hash; |
---|
| 247 | }); |
---|
| 248 | }, |
---|
| 249 | |
---|
| 250 | toArray: function() { |
---|
| 251 | return this.split(''); |
---|
| 252 | }, |
---|
| 253 | |
---|
| 254 | succ: function() { |
---|
| 255 | return this.slice(0, this.length - 1) + |
---|
| 256 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
---|
| 257 | }, |
---|
| 258 | |
---|
| 259 | camelize: function() { |
---|
| 260 | var parts = this.split('-'), len = parts.length; |
---|
| 261 | if (len == 1) return parts[0]; |
---|
| 262 | |
---|
| 263 | var camelized = this.charAt(0) == '-' |
---|
| 264 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
---|
| 265 | : parts[0]; |
---|
| 266 | |
---|
| 267 | for (var i = 1; i < len; i++) |
---|
| 268 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
---|
| 269 | |
---|
| 270 | return camelized; |
---|
| 271 | }, |
---|
| 272 | |
---|
| 273 | capitalize: function(){ |
---|
| 274 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
---|
| 275 | }, |
---|
| 276 | |
---|
| 277 | underscore: function() { |
---|
| 278 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); |
---|
| 279 | }, |
---|
| 280 | |
---|
| 281 | dasherize: function() { |
---|
| 282 | return this.gsub(/_/,'-'); |
---|
| 283 | }, |
---|
| 284 | |
---|
| 285 | inspect: function(useDoubleQuotes) { |
---|
| 286 | var escapedString = this.replace(/\\/g, '\\\\'); |
---|
| 287 | if (useDoubleQuotes) |
---|
| 288 | return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
---|
| 289 | else |
---|
| 290 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
---|
| 291 | } |
---|
| 292 | }); |
---|
| 293 | |
---|
| 294 | String.prototype.gsub.prepareReplacement = function(replacement) { |
---|
| 295 | if (typeof replacement == 'function') return replacement; |
---|
| 296 | var template = new Template(replacement); |
---|
| 297 | return function(match) { return template.evaluate(match) }; |
---|
| 298 | }; |
---|
| 299 | |
---|
| 300 | String.prototype.parseQuery = String.prototype.toQueryParams; |
---|
| 301 | |
---|
| 302 | var Template = Class.create(); |
---|
| 303 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
---|
| 304 | Template.prototype = { |
---|
| 305 | initialize: function(template, pattern) { |
---|
| 306 | this.template = template.toString(); |
---|
| 307 | this.pattern = pattern || Template.Pattern; |
---|
| 308 | }, |
---|
| 309 | |
---|
| 310 | evaluate: function(object) { |
---|
| 311 | return this.template.gsub(this.pattern, function(match) { |
---|
| 312 | var before = match[1]; |
---|
| 313 | if (before == '\\') return match[2]; |
---|
| 314 | return before + String.interpret(object[match[3]]); |
---|
| 315 | }); |
---|
| 316 | } |
---|
| 317 | }; |
---|
| 318 | |
---|
| 319 | var $break = new Object(); |
---|
| 320 | var $continue = new Object(); |
---|
| 321 | |
---|
| 322 | var Enumerable = { |
---|
| 323 | each: function(iterator) { |
---|
| 324 | var index = 0; |
---|
| 325 | try { |
---|
| 326 | this._each(function(value) { |
---|
| 327 | try { |
---|
| 328 | iterator(value, index++); |
---|
| 329 | } catch (e) { |
---|
| 330 | if (e != $continue) throw e; |
---|
| 331 | } |
---|
| 332 | }); |
---|
| 333 | } catch (e) { |
---|
| 334 | if (e != $break) throw e; |
---|
| 335 | } |
---|
| 336 | return this; |
---|
| 337 | }, |
---|
| 338 | |
---|
| 339 | eachSlice: function(number, iterator) { |
---|
| 340 | var index = -number, slices = [], array = this.toArray(); |
---|
| 341 | while ((index += number) < array.length) |
---|
| 342 | slices.push(array.slice(index, index+number)); |
---|
| 343 | return slices.map(iterator); |
---|
| 344 | }, |
---|
| 345 | |
---|
| 346 | all: function(iterator) { |
---|
| 347 | var result = true; |
---|
| 348 | this.each(function(value, index) { |
---|
| 349 | result = result && !!(iterator || Prototype.K)(value, index); |
---|
| 350 | if (!result) throw $break; |
---|
| 351 | }); |
---|
| 352 | return result; |
---|
| 353 | }, |
---|
| 354 | |
---|
| 355 | any: function(iterator) { |
---|
| 356 | var result = false; |
---|
| 357 | this.each(function(value, index) { |
---|
| 358 | if (result = !!(iterator || Prototype.K)(value, index)) |
---|
| 359 | throw $break; |
---|
| 360 | }); |
---|
| 361 | return result; |
---|
| 362 | }, |
---|
| 363 | |
---|
| 364 | collect: function(iterator) { |
---|
| 365 | var results = []; |
---|
| 366 | this.each(function(value, index) { |
---|
| 367 | results.push((iterator || Prototype.K)(value, index)); |
---|
| 368 | }); |
---|
| 369 | return results; |
---|
| 370 | }, |
---|
| 371 | |
---|
| 372 | detect: function(iterator) { |
---|
| 373 | var result; |
---|
| 374 | this.each(function(value, index) { |
---|
| 375 | if (iterator(value, index)) { |
---|
| 376 | result = value; |
---|
| 377 | throw $break; |
---|
| 378 | } |
---|
| 379 | }); |
---|
| 380 | return result; |
---|
| 381 | }, |
---|
| 382 | |
---|
| 383 | findAll: function(iterator) { |
---|
| 384 | var results = []; |
---|
| 385 | this.each(function(value, index) { |
---|
| 386 | if (iterator(value, index)) |
---|
| 387 | results.push(value); |
---|
| 388 | }); |
---|
| 389 | return results; |
---|
| 390 | }, |
---|
| 391 | |
---|
| 392 | grep: function(pattern, iterator) { |
---|
| 393 | var results = []; |
---|
| 394 | this.each(function(value, index) { |
---|
| 395 | var stringValue = value.toString(); |
---|
| 396 | if (stringValue.match(pattern)) |
---|
| 397 | results.push((iterator || Prototype.K)(value, index)); |
---|
| 398 | }); |
---|
| 399 | return results; |
---|
| 400 | }, |
---|
| 401 | |
---|
| 402 | include: function(object) { |
---|
| 403 | var found = false; |
---|
| 404 | this.each(function(value) { |
---|
| 405 | if (value == object) { |
---|
| 406 | found = true; |
---|
| 407 | throw $break; |
---|
| 408 | } |
---|
| 409 | }); |
---|
| 410 | return found; |
---|
| 411 | }, |
---|
| 412 | |
---|
| 413 | inGroupsOf: function(number, fillWith) { |
---|
| 414 | fillWith = fillWith === undefined ? null : fillWith; |
---|
| 415 | return this.eachSlice(number, function(slice) { |
---|
| 416 | while(slice.length < number) slice.push(fillWith); |
---|
| 417 | return slice; |
---|
| 418 | }); |
---|
| 419 | }, |
---|
| 420 | |
---|
| 421 | inject: function(memo, iterator) { |
---|
| 422 | this.each(function(value, index) { |
---|
| 423 | memo = iterator(memo, value, index); |
---|
| 424 | }); |
---|
| 425 | return memo; |
---|
| 426 | }, |
---|
| 427 | |
---|
| 428 | invoke: function(method) { |
---|
| 429 | var args = $A(arguments).slice(1); |
---|
| 430 | return this.map(function(value) { |
---|
| 431 | return value[method].apply(value, args); |
---|
| 432 | }); |
---|
| 433 | }, |
---|
| 434 | |
---|
| 435 | max: function(iterator) { |
---|
| 436 | var result; |
---|
| 437 | this.each(function(value, index) { |
---|
| 438 | value = (iterator || Prototype.K)(value, index); |
---|
| 439 | if (result == undefined || value >= result) |
---|
| 440 | result = value; |
---|
| 441 | }); |
---|
| 442 | return result; |
---|
| 443 | }, |
---|
| 444 | |
---|
| 445 | min: function(iterator) { |
---|
| 446 | var result; |
---|
| 447 | this.each(function(value, index) { |
---|
| 448 | value = (iterator || Prototype.K)(value, index); |
---|
| 449 | if (result == undefined || value < result) |
---|
| 450 | result = value; |
---|
| 451 | }); |
---|
| 452 | return result; |
---|
| 453 | }, |
---|
| 454 | |
---|
| 455 | partition: function(iterator) { |
---|
| 456 | var trues = [], falses = []; |
---|
| 457 | this.each(function(value, index) { |
---|
| 458 | ((iterator || Prototype.K)(value, index) ? |
---|
| 459 | trues : falses).push(value); |
---|
| 460 | }); |
---|
| 461 | return [trues, falses]; |
---|
| 462 | }, |
---|
| 463 | |
---|
| 464 | pluck: function(property) { |
---|
| 465 | var results = []; |
---|
| 466 | this.each(function(value, index) { |
---|
| 467 | results.push(value[property]); |
---|
| 468 | }); |
---|
| 469 | return results; |
---|
| 470 | }, |
---|
| 471 | |
---|
| 472 | reject: function(iterator) { |
---|
| 473 | var results = []; |
---|
| 474 | this.each(function(value, index) { |
---|
| 475 | if (!iterator(value, index)) |
---|
| 476 | results.push(value); |
---|
| 477 | }); |
---|
| 478 | return results; |
---|
| 479 | }, |
---|
| 480 | |
---|
| 481 | sortBy: function(iterator) { |
---|
| 482 | return this.map(function(value, index) { |
---|
| 483 | return {value: value, criteria: iterator(value, index)}; |
---|
| 484 | }).sort(function(left, right) { |
---|
| 485 | var a = left.criteria, b = right.criteria; |
---|
| 486 | return a < b ? -1 : a > b ? 1 : 0; |
---|
| 487 | }).pluck('value'); |
---|
| 488 | }, |
---|
| 489 | |
---|
| 490 | toArray: function() { |
---|
| 491 | return this.map(); |
---|
| 492 | }, |
---|
| 493 | |
---|
| 494 | zip: function() { |
---|
| 495 | var iterator = Prototype.K, args = $A(arguments); |
---|
| 496 | if (typeof args.last() == 'function') |
---|
| 497 | iterator = args.pop(); |
---|
| 498 | |
---|
| 499 | var collections = [this].concat(args).map($A); |
---|
| 500 | return this.map(function(value, index) { |
---|
| 501 | return iterator(collections.pluck(index)); |
---|
| 502 | }); |
---|
| 503 | }, |
---|
| 504 | |
---|
| 505 | size: function() { |
---|
| 506 | return this.toArray().length; |
---|
| 507 | }, |
---|
| 508 | |
---|
| 509 | inspect: function() { |
---|
| 510 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
---|
| 511 | } |
---|
| 512 | }; |
---|
| 513 | |
---|
| 514 | Object.extend(Enumerable, { |
---|
| 515 | map: Enumerable.collect, |
---|
| 516 | find: Enumerable.detect, |
---|
| 517 | select: Enumerable.findAll, |
---|
| 518 | member: Enumerable.include, |
---|
| 519 | entries: Enumerable.toArray |
---|
| 520 | }); |
---|
| 521 | var $A = Array.from = function(iterable) { |
---|
| 522 | if (!iterable) return []; |
---|
| 523 | if (iterable.toArray) { |
---|
| 524 | return iterable.toArray(); |
---|
| 525 | } else { |
---|
| 526 | var results = []; |
---|
| 527 | for (var i = 0, length = iterable.length; i < length; i++) |
---|
| 528 | results.push(iterable[i]); |
---|
| 529 | return results; |
---|
| 530 | } |
---|
| 531 | }; |
---|
| 532 | |
---|
| 533 | Object.extend(Array.prototype, Enumerable); |
---|
| 534 | |
---|
| 535 | if (!Array.prototype._reverse) |
---|
| 536 | Array.prototype._reverse = Array.prototype.reverse; |
---|
| 537 | |
---|
| 538 | Object.extend(Array.prototype, { |
---|
| 539 | _each: function(iterator) { |
---|
| 540 | for (var i = 0, length = this.length; i < length; i++) |
---|
| 541 | iterator(this[i]); |
---|
| 542 | }, |
---|
| 543 | |
---|
| 544 | clear: function() { |
---|
| 545 | this.length = 0; |
---|
| 546 | return this; |
---|
| 547 | }, |
---|
| 548 | |
---|
| 549 | first: function() { |
---|
| 550 | return this[0]; |
---|
| 551 | }, |
---|
| 552 | |
---|
| 553 | last: function() { |
---|
| 554 | return this[this.length - 1]; |
---|
| 555 | }, |
---|
| 556 | |
---|
| 557 | compact: function() { |
---|
| 558 | return this.select(function(value) { |
---|
| 559 | return value != null; |
---|
| 560 | }); |
---|
| 561 | }, |
---|
| 562 | |
---|
| 563 | flatten: function() { |
---|
| 564 | return this.inject([], function(array, value) { |
---|
| 565 | return array.concat(value && value.constructor == Array ? |
---|
| 566 | value.flatten() : [value]); |
---|
| 567 | }); |
---|
| 568 | }, |
---|
| 569 | |
---|
| 570 | without: function() { |
---|
| 571 | var values = $A(arguments); |
---|
| 572 | return this.select(function(value) { |
---|
| 573 | return !values.include(value); |
---|
| 574 | }); |
---|
| 575 | }, |
---|
| 576 | |
---|
| 577 | indexOf: function(object) { |
---|
| 578 | for (var i = 0, length = this.length; i < length; i++) |
---|
| 579 | if (this[i] == object) return i; |
---|
| 580 | return -1; |
---|
| 581 | }, |
---|
| 582 | |
---|
| 583 | reverse: function(inline) { |
---|
| 584 | return (inline !== false ? this : this.toArray())._reverse(); |
---|
| 585 | }, |
---|
| 586 | |
---|
| 587 | reduce: function() { |
---|
| 588 | return this.length > 1 ? this : this[0]; |
---|
| 589 | }, |
---|
| 590 | |
---|
| 591 | uniq: function() { |
---|
| 592 | return this.inject([], function(array, value) { |
---|
| 593 | return array.include(value) ? array : array.concat([value]); |
---|
| 594 | }); |
---|
| 595 | }, |
---|
| 596 | |
---|
| 597 | clone: function() { |
---|
| 598 | return [].concat(this); |
---|
| 599 | }, |
---|
| 600 | |
---|
| 601 | size: function() { |
---|
| 602 | return this.length; |
---|
| 603 | }, |
---|
| 604 | |
---|
| 605 | inspect: function() { |
---|
| 606 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
---|
| 607 | } |
---|
| 608 | }); |
---|
| 609 | |
---|
| 610 | Array.prototype.toArray = Array.prototype.clone; |
---|
| 611 | |
---|
| 612 | function $w(string){ |
---|
| 613 | string = string.strip(); |
---|
| 614 | return string ? string.split(/\s+/) : []; |
---|
| 615 | }; |
---|
| 616 | |
---|
| 617 | if(window.opera){ |
---|
| 618 | Array.prototype.concat = function(){ |
---|
| 619 | var array = []; |
---|
| 620 | for(var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
---|
| 621 | for(var i = 0, length = arguments.length; i < length; i++) { |
---|
| 622 | if(arguments[i].constructor == Array) { |
---|
| 623 | for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
---|
| 624 | array.push(arguments[i][j]); |
---|
| 625 | } else { |
---|
| 626 | array.push(arguments[i]); |
---|
| 627 | } |
---|
| 628 | } |
---|
| 629 | return array; |
---|
| 630 | } |
---|
| 631 | }; |
---|
| 632 | var Hash = function(obj) { |
---|
| 633 | Object.extend(this, obj || {}); |
---|
| 634 | }; |
---|
| 635 | |
---|
| 636 | Object.extend(Hash, { |
---|
| 637 | toQueryString: function(obj) { |
---|
| 638 | var parts = []; |
---|
| 639 | |
---|
| 640 | this.prototype._each.call(obj, function(pair) { |
---|
| 641 | if (!pair.key) return; |
---|
| 642 | |
---|
| 643 | if (pair.value && pair.value.constructor == Array) { |
---|
| 644 | var values = pair.value.compact(); |
---|
| 645 | if (values.length < 2) pair.value = values.reduce(); |
---|
| 646 | else { |
---|
| 647 | key = encodeURIComponent(pair.key); |
---|
| 648 | values.each(function(value) { |
---|
| 649 | value = value != undefined ? encodeURIComponent(value) : ''; |
---|
| 650 | parts.push(key + '=' + encodeURIComponent(value)); |
---|
| 651 | }); |
---|
| 652 | return; |
---|
| 653 | } |
---|
| 654 | } |
---|
| 655 | if (pair.value == undefined) pair[1] = ''; |
---|
| 656 | parts.push(pair.join('=')); |
---|
| 657 | }); |
---|
| 658 | |
---|
| 659 | return parts.join('&'); |
---|
| 660 | } |
---|
| 661 | }); |
---|
| 662 | |
---|
| 663 | Object.extend(Hash.prototype, Enumerable); |
---|
| 664 | Object.extend(Hash.prototype, { |
---|
| 665 | _each: function(iterator) { |
---|
| 666 | for (var key in this) { |
---|
| 667 | var value = this[key]; |
---|
| 668 | if (value && value == Hash.prototype[key]) continue; |
---|
| 669 | |
---|
| 670 | var pair = [key, value]; |
---|
| 671 | pair.key = key; |
---|
| 672 | pair.value = value; |
---|
| 673 | iterator(pair); |
---|
| 674 | } |
---|
| 675 | }, |
---|
| 676 | |
---|
| 677 | keys: function() { |
---|
| 678 | return this.pluck('key'); |
---|
| 679 | }, |
---|
| 680 | |
---|
| 681 | values: function() { |
---|
| 682 | return this.pluck('value'); |
---|
| 683 | }, |
---|
| 684 | |
---|
| 685 | merge: function(hash) { |
---|
| 686 | return $H(hash).inject(this, function(mergedHash, pair) { |
---|
| 687 | mergedHash[pair.key] = pair.value; |
---|
| 688 | return mergedHash; |
---|
| 689 | }); |
---|
| 690 | }, |
---|
| 691 | |
---|
| 692 | remove: function() { |
---|
| 693 | var result; |
---|
| 694 | for(var i = 0, length = arguments.length; i < length; i++) { |
---|
| 695 | var value = this[arguments[i]]; |
---|
| 696 | if (value !== undefined){ |
---|
| 697 | if (result === undefined) result = value; |
---|
| 698 | else { |
---|
| 699 | if (result.constructor != Array) result = [result]; |
---|
| 700 | result.push(value) |
---|
| 701 | } |
---|
| 702 | } |
---|
| 703 | delete this[arguments[i]]; |
---|
| 704 | } |
---|
| 705 | return result; |
---|
| 706 | }, |
---|
| 707 | |
---|
| 708 | toQueryString: function() { |
---|
| 709 | return Hash.toQueryString(this); |
---|
| 710 | }, |
---|
| 711 | |
---|
| 712 | inspect: function() { |
---|
| 713 | return '#<Hash:{' + this.map(function(pair) { |
---|
| 714 | return pair.map(Object.inspect).join(': '); |
---|
| 715 | }).join(', ') + '}>'; |
---|
| 716 | }, |
---|
| 717 | |
---|
| 718 | customInspect: function() { |
---|
| 719 | return '{' + this.map(function(pair) { |
---|
| 720 | return pair.map(Object.inspect).join(': '); |
---|
| 721 | }).join(', ') + '}'; |
---|
| 722 | } |
---|
| 723 | }); |
---|
| 724 | |
---|
| 725 | function $H(object) { |
---|
| 726 | if (object && object.constructor == Hash) return object; |
---|
| 727 | return new Hash(object); |
---|
| 728 | }; |
---|
| 729 | ObjectRange = Class.create(); |
---|
| 730 | Object.extend(ObjectRange.prototype, Enumerable); |
---|
| 731 | Object.extend(ObjectRange.prototype, { |
---|
| 732 | initialize: function(start, end, exclusive) { |
---|
| 733 | this.start = start; |
---|
| 734 | this.end = end; |
---|
| 735 | this.exclusive = exclusive; |
---|
| 736 | }, |
---|
| 737 | |
---|
| 738 | _each: function(iterator) { |
---|
| 739 | var value = this.start; |
---|
| 740 | while (this.include(value)) { |
---|
| 741 | iterator(value); |
---|
| 742 | value = value.succ(); |
---|
| 743 | } |
---|
| 744 | }, |
---|
| 745 | |
---|
| 746 | include: function(value) { |
---|
| 747 | if (value < this.start) |
---|
| 748 | return false; |
---|
| 749 | if (this.exclusive) |
---|
| 750 | return value < this.end; |
---|
| 751 | return value <= this.end; |
---|
| 752 | } |
---|
| 753 | }); |
---|
| 754 | |
---|
| 755 | var $R = function(start, end, exclusive) { |
---|
| 756 | return new ObjectRange(start, end, exclusive); |
---|
| 757 | }; |
---|
| 758 | |
---|
| 759 | var Ajax = { |
---|
| 760 | getTransport: function() { |
---|
| 761 | return Try.these( |
---|
| 762 | function() {return new XMLHttpRequest()}, |
---|
| 763 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
---|
| 764 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
---|
| 765 | ) || false; |
---|
| 766 | }, |
---|
| 767 | |
---|
| 768 | activeRequestCount: 0 |
---|
| 769 | }; |
---|
| 770 | |
---|
| 771 | Ajax.Responders = { |
---|
| 772 | responders: [], |
---|
| 773 | |
---|
| 774 | _each: function(iterator) { |
---|
| 775 | this.responders._each(iterator); |
---|
| 776 | }, |
---|
| 777 | |
---|
| 778 | register: function(responder) { |
---|
| 779 | if (!this.include(responder)) |
---|
| 780 | this.responders.push(responder); |
---|
| 781 | }, |
---|
| 782 | |
---|
| 783 | unregister: function(responder) { |
---|
| 784 | this.responders = this.responders.without(responder); |
---|
| 785 | }, |
---|
| 786 | |
---|
| 787 | dispatch: function(callback, request, transport, json) { |
---|
| 788 | this.each(function(responder) { |
---|
| 789 | if (typeof responder[callback] == 'function') { |
---|
| 790 | try { |
---|
| 791 | responder[callback].apply(responder, [request, transport, json]); |
---|
| 792 | } catch (e) {} |
---|
| 793 | } |
---|
| 794 | }); |
---|
| 795 | } |
---|
| 796 | }; |
---|
| 797 | |
---|
| 798 | Object.extend(Ajax.Responders, Enumerable); |
---|
| 799 | |
---|
| 800 | Ajax.Responders.register({ |
---|
| 801 | onCreate: function() { |
---|
| 802 | Ajax.activeRequestCount++; |
---|
| 803 | }, |
---|
| 804 | onComplete: function() { |
---|
| 805 | Ajax.activeRequestCount--; |
---|
| 806 | } |
---|
| 807 | }); |
---|
| 808 | |
---|
| 809 | Ajax.Base = function() {}; |
---|
| 810 | Ajax.Base.prototype = { |
---|
| 811 | setOptions: function(options) { |
---|
| 812 | this.options = { |
---|
| 813 | method: 'post', |
---|
| 814 | asynchronous: true, |
---|
| 815 | contentType: 'application/x-www-form-urlencoded', |
---|
| 816 | encoding: 'UTF-8', |
---|
| 817 | parameters: '' |
---|
| 818 | }; |
---|
| 819 | Object.extend(this.options, options || {}); |
---|
| 820 | |
---|
| 821 | this.options.method = this.options.method.toLowerCase(); |
---|
| 822 | if (typeof this.options.parameters == 'string') |
---|
| 823 | this.options.parameters = this.options.parameters.toQueryParams(); |
---|
| 824 | } |
---|
| 825 | }; |
---|
| 826 | |
---|
| 827 | Ajax.Request = Class.create(); |
---|
| 828 | Ajax.Request.Events = |
---|
| 829 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
---|
| 830 | |
---|
| 831 | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
---|
| 832 | _complete: false, |
---|
| 833 | |
---|
| 834 | initialize: function(url, options) { |
---|
| 835 | this.transport = Ajax.getTransport(); |
---|
| 836 | this.setOptions(options); |
---|
| 837 | this.request(url); |
---|
| 838 | }, |
---|
| 839 | |
---|
| 840 | request: function(url) { |
---|
| 841 | this.url = url; |
---|
| 842 | this.method = this.options.method; |
---|
| 843 | var params = this.options.parameters; |
---|
| 844 | |
---|
| 845 | if (!['get', 'post'].include(this.method)) { |
---|
| 846 | // simulate other verbs over post |
---|
| 847 | params['_method'] = this.method; |
---|
| 848 | this.method = 'post'; |
---|
| 849 | } |
---|
| 850 | |
---|
| 851 | params = Hash.toQueryString(params); |
---|
| 852 | if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_='; |
---|
| 853 | |
---|
| 854 | // when GET, append parameters to URL |
---|
| 855 | if (this.method == 'get' && params) |
---|
| 856 | this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params; |
---|
| 857 | |
---|
| 858 | try { |
---|
| 859 | Ajax.Responders.dispatch('onCreate', this, this.transport); |
---|
| 860 | |
---|
| 861 | this.transport.open(this.method.toUpperCase(), this.url, |
---|
| 862 | this.options.asynchronous); |
---|
| 863 | |
---|
| 864 | if (this.options.asynchronous) |
---|
| 865 | setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); |
---|
| 866 | |
---|
| 867 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
---|
| 868 | this.setRequestHeaders(); |
---|
| 869 | |
---|
| 870 | var body = this.method == 'post' ? (this.options.postBody || params) : null; |
---|
| 871 | |
---|
| 872 | this.transport.send(body); |
---|
| 873 | |
---|
| 874 | /* Force Firefox to handle ready state 4 for synchronous requests */ |
---|
| 875 | if (!this.options.asynchronous && this.transport.overrideMimeType) |
---|
| 876 | this.onStateChange(); |
---|
| 877 | |
---|
| 878 | } |
---|
| 879 | catch (e) { |
---|
| 880 | this.dispatchException(e); |
---|
| 881 | } |
---|
| 882 | }, |
---|
| 883 | |
---|
| 884 | onStateChange: function() { |
---|
| 885 | var readyState = this.transport.readyState; |
---|
| 886 | if (readyState > 1 && !((readyState == 4) && this._complete)) |
---|
| 887 | this.respondToReadyState(this.transport.readyState); |
---|
| 888 | }, |
---|
| 889 | |
---|
| 890 | setRequestHeaders: function() { |
---|
| 891 | var headers = { |
---|
| 892 | 'X-Requested-With': 'XMLHttpRequest', |
---|
| 893 | 'X-Prototype-Version': Prototype.Version, |
---|
| 894 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
---|
| 895 | }; |
---|
| 896 | |
---|
| 897 | if (this.method == 'post') { |
---|
| 898 | headers['Content-type'] = this.options.contentType + |
---|
| 899 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
---|
| 900 | |
---|
| 901 | /* Force "Connection: close" for older Mozilla browsers to work |
---|
| 902 | * around a bug where XMLHttpRequest sends an incorrect |
---|
| 903 | * Content-length header. See Mozilla Bugzilla #246651. |
---|
| 904 | */ |
---|
| 905 | if (this.transport.overrideMimeType && |
---|
| 906 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
---|
| 907 | headers['Connection'] = 'close'; |
---|
| 908 | } |
---|
| 909 | |
---|
| 910 | // user-defined headers |
---|
| 911 | if (typeof this.options.requestHeaders == 'object') { |
---|
| 912 | var extras = this.options.requestHeaders; |
---|
| 913 | |
---|
| 914 | if (typeof extras.push == 'function') |
---|
| 915 | for (var i = 0, length = extras.length; i < length; i += 2) |
---|
| 916 | headers[extras[i]] = extras[i+1]; |
---|
| 917 | else |
---|
| 918 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
---|
| 919 | } |
---|
| 920 | |
---|
| 921 | for (var name in headers) |
---|
| 922 | this.transport.setRequestHeader(name, headers[name]); |
---|
| 923 | }, |
---|
| 924 | |
---|
| 925 | success: function() { |
---|
| 926 | return !this.transport.status |
---|
| 927 | || (this.transport.status >= 200 && this.transport.status < 300); |
---|
| 928 | }, |
---|
| 929 | |
---|
| 930 | respondToReadyState: function(readyState) { |
---|
| 931 | var state = Ajax.Request.Events[readyState]; |
---|
| 932 | var transport = this.transport, json = this.evalJSON(); |
---|
| 933 | |
---|
| 934 | if (state == 'Complete') { |
---|
| 935 | try { |
---|
| 936 | this._complete = true; |
---|
| 937 | (this.options['on' + this.transport.status] |
---|
| 938 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
---|
| 939 | || Prototype.emptyFunction)(transport, json); |
---|
| 940 | } catch (e) { |
---|
| 941 | this.dispatchException(e); |
---|
| 942 | } |
---|
| 943 | |
---|
| 944 | if ((this.getHeader('Content-type') || 'text/javascript').strip(). |
---|
| 945 | match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) |
---|
| 946 | this.evalResponse(); |
---|
| 947 | } |
---|
| 948 | |
---|
| 949 | try { |
---|
| 950 | (this.options['on' + state] || Prototype.emptyFunction)(transport, json); |
---|
| 951 | Ajax.Responders.dispatch('on' + state, this, transport, json); |
---|
| 952 | } catch (e) { |
---|
| 953 | this.dispatchException(e); |
---|
| 954 | } |
---|
| 955 | |
---|
| 956 | if (state == 'Complete') { |
---|
| 957 | // avoid memory leak in MSIE: clean up |
---|
| 958 | this.transport.onreadystatechange = Prototype.emptyFunction; |
---|
| 959 | } |
---|
| 960 | }, |
---|
| 961 | |
---|
| 962 | getHeader: function(name) { |
---|
| 963 | try { |
---|
| 964 | return this.transport.getResponseHeader(name); |
---|
| 965 | } catch (e) { return null } |
---|
| 966 | }, |
---|
| 967 | |
---|
| 968 | evalJSON: function() { |
---|
| 969 | try { |
---|
| 970 | var json = this.getHeader('X-JSON'); |
---|
| 971 | return json ? eval('(' + json + ')') : null; |
---|
| 972 | } catch (e) { return null } |
---|
| 973 | }, |
---|
| 974 | |
---|
| 975 | evalResponse: function() { |
---|
| 976 | try { |
---|
| 977 | return eval(this.transport.responseText); |
---|
| 978 | } catch (e) { |
---|
| 979 | this.dispatchException(e); |
---|
| 980 | } |
---|
| 981 | }, |
---|
| 982 | |
---|
| 983 | dispatchException: function(exception) { |
---|
| 984 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
---|
| 985 | Ajax.Responders.dispatch('onException', this, exception); |
---|
| 986 | } |
---|
| 987 | }); |
---|
| 988 | |
---|
| 989 | Ajax.Updater = Class.create(); |
---|
| 990 | |
---|
| 991 | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
---|
| 992 | initialize: function(container, url, options) { |
---|
| 993 | this.container = { |
---|
| 994 | success: (container.success || container), |
---|
| 995 | failure: (container.failure || (container.success ? null : container)) |
---|
| 996 | }; |
---|
| 997 | |
---|
| 998 | this.transport = Ajax.getTransport(); |
---|
| 999 | this.setOptions(options); |
---|
| 1000 | |
---|
| 1001 | var onComplete = this.options.onComplete || Prototype.emptyFunction; |
---|
| 1002 | this.options.onComplete = (function(transport, param) { |
---|
| 1003 | this.updateContent(); |
---|
| 1004 | onComplete(transport, param); |
---|
| 1005 | }).bind(this); |
---|
| 1006 | |
---|
| 1007 | this.request(url); |
---|
| 1008 | }, |
---|
| 1009 | |
---|
| 1010 | updateContent: function() { |
---|
| 1011 | var receiver = this.container[this.success() ? 'success' : 'failure']; |
---|
| 1012 | var response = this.transport.responseText; |
---|
| 1013 | |
---|
| 1014 | if (!this.options.evalScripts) response = response.stripScripts(); |
---|
| 1015 | |
---|
| 1016 | if (receiver = $(receiver)) { |
---|
| 1017 | if (this.options.insertion) |
---|
| 1018 | new this.options.insertion(receiver, response); |
---|
| 1019 | else |
---|
| 1020 | receiver.update(response); |
---|
| 1021 | } |
---|
| 1022 | |
---|
| 1023 | if (this.success()) { |
---|
| 1024 | if (this.onComplete) |
---|
| 1025 | setTimeout(this.onComplete.bind(this), 10); |
---|
| 1026 | } |
---|
| 1027 | } |
---|
| 1028 | }); |
---|
| 1029 | |
---|
| 1030 | Ajax.PeriodicalUpdater = Class.create(); |
---|
| 1031 | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
---|
| 1032 | initialize: function(container, url, options) { |
---|
| 1033 | this.setOptions(options); |
---|
| 1034 | this.onComplete = this.options.onComplete; |
---|
| 1035 | |
---|
| 1036 | this.frequency = (this.options.frequency || 2); |
---|
| 1037 | this.decay = (this.options.decay || 1); |
---|
| 1038 | |
---|
| 1039 | this.updater = {}; |
---|
| 1040 | this.container = container; |
---|
| 1041 | this.url = url; |
---|
| 1042 | |
---|
| 1043 | this.start(); |
---|
| 1044 | }, |
---|
| 1045 | |
---|
| 1046 | start: function() { |
---|
| 1047 | this.options.onComplete = this.updateComplete.bind(this); |
---|
| 1048 | this.onTimerEvent(); |
---|
| 1049 | }, |
---|
| 1050 | |
---|
| 1051 | stop: function() { |
---|
| 1052 | this.updater.options.onComplete = undefined; |
---|
| 1053 | clearTimeout(this.timer); |
---|
| 1054 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
---|
| 1055 | }, |
---|
| 1056 | |
---|
| 1057 | updateComplete: function(request) { |
---|
| 1058 | if (this.options.decay) { |
---|
| 1059 | this.decay = (request.responseText == this.lastText ? |
---|
| 1060 | this.decay * this.options.decay : 1); |
---|
| 1061 | |
---|
| 1062 | this.lastText = request.responseText; |
---|
| 1063 | } |
---|
| 1064 | this.timer = setTimeout(this.onTimerEvent.bind(this), |
---|
| 1065 | this.decay * this.frequency * 1000); |
---|
| 1066 | }, |
---|
| 1067 | |
---|
| 1068 | onTimerEvent: function() { |
---|
| 1069 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
---|
| 1070 | } |
---|
| 1071 | }); |
---|
| 1072 | function $(element) { |
---|
| 1073 | if (arguments.length > 1) { |
---|
| 1074 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
---|
| 1075 | elements.push($(arguments[i])); |
---|
| 1076 | return elements; |
---|
| 1077 | } |
---|
| 1078 | if (typeof element == 'string') |
---|
| 1079 | element = document.getElementById(element); |
---|
| 1080 | return Element.extend(element); |
---|
| 1081 | }; |
---|
| 1082 | |
---|
| 1083 | if (Prototype.BrowserFeatures.XPath) { |
---|
| 1084 | document._getElementsByXPath = function(expression, parentElement) { |
---|
| 1085 | var results = []; |
---|
| 1086 | var query = document.evaluate(expression, $(parentElement) || document, |
---|
| 1087 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
---|
| 1088 | for (var i = 0, length = query.snapshotLength; i < length; i++) |
---|
| 1089 | results.push(query.snapshotItem(i)); |
---|
| 1090 | return results; |
---|
| 1091 | }; |
---|
| 1092 | }; |
---|
| 1093 | |
---|
| 1094 | document.getElementsByClassName = function(className, parentElement) { |
---|
| 1095 | if (Prototype.BrowserFeatures.XPath) { |
---|
| 1096 | var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; |
---|
| 1097 | return document._getElementsByXPath(q, parentElement); |
---|
| 1098 | } else { |
---|
| 1099 | var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
---|
| 1100 | var elements = [], child; |
---|
| 1101 | for (var i = 0, length = children.length; i < length; i++) { |
---|
| 1102 | child = children[i]; |
---|
| 1103 | if (Element.hasClassName(child, className)) |
---|
| 1104 | elements.push(Element.extend(child)); |
---|
| 1105 | } |
---|
| 1106 | return elements; |
---|
| 1107 | } |
---|
| 1108 | }; |
---|
| 1109 | |
---|
| 1110 | /*--------------------------------------------------------------------------*/ |
---|
| 1111 | |
---|
| 1112 | if (!window.Element) |
---|
| 1113 | var Element = new Object(); |
---|
| 1114 | |
---|
| 1115 | Element.extend = function(element) { |
---|
| 1116 | if (!element || _nativeExtensions || element.nodeType == 3) return element; |
---|
| 1117 | |
---|
| 1118 | if (!element._extended && element.tagName && element != window) { |
---|
| 1119 | var methods = Object.clone(Element.Methods), cache = Element.extend.cache; |
---|
| 1120 | |
---|
| 1121 | if (element.tagName == 'FORM') |
---|
| 1122 | Object.extend(methods, Form.Methods); |
---|
| 1123 | if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName)) |
---|
| 1124 | Object.extend(methods, Form.Element.Methods); |
---|
| 1125 | |
---|
| 1126 | Object.extend(methods, Element.Methods.Simulated); |
---|
| 1127 | |
---|
| 1128 | for (var property in methods) { |
---|
| 1129 | var value = methods[property]; |
---|
| 1130 | if (typeof value == 'function' && !(property in element)) |
---|
| 1131 | element[property] = cache.findOrStore(value); |
---|
| 1132 | } |
---|
| 1133 | } |
---|
| 1134 | |
---|
| 1135 | element._extended = true; |
---|
| 1136 | return element; |
---|
| 1137 | }; |
---|
| 1138 | |
---|
| 1139 | Element.extend.cache = { |
---|
| 1140 | findOrStore: function(value) { |
---|
| 1141 | return this[value] = this[value] || function() { |
---|
| 1142 | return value.apply(null, [this].concat($A(arguments))); |
---|
| 1143 | } |
---|
| 1144 | } |
---|
| 1145 | }; |
---|
| 1146 | |
---|
| 1147 | Element.Methods = { |
---|
| 1148 | visible: function(element) { |
---|
| 1149 | return $(element).style.display != 'none'; |
---|
| 1150 | }, |
---|
| 1151 | |
---|
| 1152 | toggle: function(element) { |
---|
| 1153 | element = $(element); |
---|
| 1154 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
---|
| 1155 | return element; |
---|
| 1156 | }, |
---|
| 1157 | |
---|
| 1158 | hide: function(element) { |
---|
| 1159 | $(element).style.display = 'none'; |
---|
| 1160 | return element; |
---|
| 1161 | }, |
---|
| 1162 | |
---|
| 1163 | show: function(element) { |
---|
| 1164 | $(element).style.display = ''; |
---|
| 1165 | return element; |
---|
| 1166 | }, |
---|
| 1167 | |
---|
| 1168 | remove: function(element) { |
---|
| 1169 | element = $(element); |
---|
| 1170 | element.parentNode.removeChild(element); |
---|
| 1171 | return element; |
---|
| 1172 | }, |
---|
| 1173 | |
---|
| 1174 | update: function(element, html) { |
---|
| 1175 | html = typeof html == 'undefined' ? '' : html.toString(); |
---|
| 1176 | $(element).innerHTML = html.stripScripts(); |
---|
| 1177 | setTimeout(function() {html.evalScripts()}, 10); |
---|
| 1178 | return element; |
---|
| 1179 | }, |
---|
| 1180 | |
---|
| 1181 | replace: function(element, html) { |
---|
| 1182 | element = $(element); |
---|
| 1183 | html = typeof html == 'undefined' ? '' : html.toString(); |
---|
| 1184 | if (element.outerHTML) { |
---|
| 1185 | element.outerHTML = html.stripScripts(); |
---|
| 1186 | } else { |
---|
| 1187 | var range = element.ownerDocument.createRange(); |
---|
| 1188 | range.selectNodeContents(element); |
---|
| 1189 | element.parentNode.replaceChild( |
---|
| 1190 | range.createContextualFragment(html.stripScripts()), element); |
---|
| 1191 | } |
---|
| 1192 | setTimeout(function() {html.evalScripts()}, 10); |
---|
| 1193 | return element; |
---|
| 1194 | }, |
---|
| 1195 | |
---|
| 1196 | inspect: function(element) { |
---|
| 1197 | element = $(element); |
---|
| 1198 | var result = '<' + element.tagName.toLowerCase(); |
---|
| 1199 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
---|
| 1200 | var property = pair.first(), attribute = pair.last(); |
---|
| 1201 | var value = (element[property] || '').toString(); |
---|
| 1202 | if (value) result += ' ' + attribute + '=' + value.inspect(true); |
---|
| 1203 | }); |
---|
| 1204 | return result + '>'; |
---|
| 1205 | }, |
---|
| 1206 | |
---|
| 1207 | recursivelyCollect: function(element, property) { |
---|
| 1208 | element = $(element); |
---|
| 1209 | var elements = []; |
---|
| 1210 | while (element = element[property]) |
---|
| 1211 | if (element.nodeType == 1) |
---|
| 1212 | elements.push(Element.extend(element)); |
---|
| 1213 | return elements; |
---|
| 1214 | }, |
---|
| 1215 | |
---|
| 1216 | ancestors: function(element) { |
---|
| 1217 | return $(element).recursivelyCollect('parentNode'); |
---|
| 1218 | }, |
---|
| 1219 | |
---|
| 1220 | descendants: function(element) { |
---|
| 1221 | return $A($(element).getElementsByTagName('*')); |
---|
| 1222 | }, |
---|
| 1223 | |
---|
| 1224 | immediateDescendants: function(element) { |
---|
| 1225 | if (!(element = $(element).firstChild)) return []; |
---|
| 1226 | while (element && element.nodeType != 1) element = element.nextSibling; |
---|
| 1227 | if (element) return [element].concat($(element).nextSiblings()); |
---|
| 1228 | return []; |
---|
| 1229 | }, |
---|
| 1230 | |
---|
| 1231 | previousSiblings: function(element) { |
---|
| 1232 | return $(element).recursivelyCollect('previousSibling'); |
---|
| 1233 | }, |
---|
| 1234 | |
---|
| 1235 | nextSiblings: function(element) { |
---|
| 1236 | return $(element).recursivelyCollect('nextSibling'); |
---|
| 1237 | }, |
---|
| 1238 | |
---|
| 1239 | siblings: function(element) { |
---|
| 1240 | element = $(element); |
---|
| 1241 | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
---|
| 1242 | }, |
---|
| 1243 | |
---|
| 1244 | match: function(element, selector) { |
---|
| 1245 | if (typeof selector == 'string') |
---|
| 1246 | selector = new Selector(selector); |
---|
| 1247 | return selector.match($(element)); |
---|
| 1248 | }, |
---|
| 1249 | |
---|
| 1250 | up: function(element, expression, index) { |
---|
| 1251 | return Selector.findElement($(element).ancestors(), expression, index); |
---|
| 1252 | }, |
---|
| 1253 | |
---|
| 1254 | down: function(element, expression, index) { |
---|
| 1255 | return Selector.findElement($(element).descendants(), expression, index); |
---|
| 1256 | }, |
---|
| 1257 | |
---|
| 1258 | previous: function(element, expression, index) { |
---|
| 1259 | return Selector.findElement($(element).previousSiblings(), expression, index); |
---|
| 1260 | }, |
---|
| 1261 | |
---|
| 1262 | next: function(element, expression, index) { |
---|
| 1263 | return Selector.findElement($(element).nextSiblings(), expression, index); |
---|
| 1264 | }, |
---|
| 1265 | |
---|
| 1266 | getElementsBySelector: function() { |
---|
| 1267 | var args = $A(arguments), element = $(args.shift()); |
---|
| 1268 | return Selector.findChildElements(element, args); |
---|
| 1269 | }, |
---|
| 1270 | |
---|
| 1271 | getElementsByClassName: function(element, className) { |
---|
| 1272 | return document.getElementsByClassName(className, element); |
---|
| 1273 | }, |
---|
| 1274 | |
---|
| 1275 | readAttribute: function(element, name) { |
---|
| 1276 | element = $(element); |
---|
| 1277 | if (document.all && !window.opera) { |
---|
| 1278 | var t = Element._attributeTranslations; |
---|
| 1279 | if (t.values[name]) return t.values[name](element, name); |
---|
| 1280 | if (t.names[name]) name = t.names[name]; |
---|
| 1281 | var attribute = element.attributes[name]; |
---|
| 1282 | if(attribute) return attribute.nodeValue; |
---|
| 1283 | } |
---|
| 1284 | return element.getAttribute(name); |
---|
| 1285 | }, |
---|
| 1286 | |
---|
| 1287 | getHeight: function(element) { |
---|
| 1288 | return $(element).getDimensions().height; |
---|
| 1289 | }, |
---|
| 1290 | |
---|
| 1291 | getWidth: function(element) { |
---|
| 1292 | return $(element).getDimensions().width; |
---|
| 1293 | }, |
---|
| 1294 | |
---|
| 1295 | classNames: function(element) { |
---|
| 1296 | return new Element.ClassNames(element); |
---|
| 1297 | }, |
---|
| 1298 | |
---|
| 1299 | hasClassName: function(element, className) { |
---|
| 1300 | if (!(element = $(element))) return; |
---|
| 1301 | var elementClassName = element.className; |
---|
| 1302 | if (elementClassName.length == 0) return false; |
---|
| 1303 | if (elementClassName == className || |
---|
| 1304 | elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) |
---|
| 1305 | return true; |
---|
| 1306 | return false; |
---|
| 1307 | }, |
---|
| 1308 | |
---|
| 1309 | addClassName: function(element, className) { |
---|
| 1310 | if (!(element = $(element))) return; |
---|
| 1311 | Element.classNames(element).add(className); |
---|
| 1312 | return element; |
---|
| 1313 | }, |
---|
| 1314 | |
---|
| 1315 | removeClassName: function(element, className) { |
---|
| 1316 | if (!(element = $(element))) return; |
---|
| 1317 | Element.classNames(element).remove(className); |
---|
| 1318 | return element; |
---|
| 1319 | }, |
---|
| 1320 | |
---|
| 1321 | toggleClassName: function(element, className) { |
---|
| 1322 | if (!(element = $(element))) return; |
---|
| 1323 | Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); |
---|
| 1324 | return element; |
---|
| 1325 | }, |
---|
| 1326 | |
---|
| 1327 | observe: function() { |
---|
| 1328 | Event.observe.apply(Event, arguments); |
---|
| 1329 | return $A(arguments).first(); |
---|
| 1330 | }, |
---|
| 1331 | |
---|
| 1332 | stopObserving: function() { |
---|
| 1333 | Event.stopObserving.apply(Event, arguments); |
---|
| 1334 | return $A(arguments).first(); |
---|
| 1335 | }, |
---|
| 1336 | |
---|
| 1337 | // removes whitespace-only text node children |
---|
| 1338 | cleanWhitespace: function(element) { |
---|
| 1339 | element = $(element); |
---|
| 1340 | var node = element.firstChild; |
---|
| 1341 | while (node) { |
---|
| 1342 | var nextNode = node.nextSibling; |
---|
| 1343 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
---|
| 1344 | element.removeChild(node); |
---|
| 1345 | node = nextNode; |
---|
| 1346 | } |
---|
| 1347 | return element; |
---|
| 1348 | }, |
---|
| 1349 | |
---|
| 1350 | empty: function(element) { |
---|
| 1351 | return $(element).innerHTML.match(/^\s*$/); |
---|
| 1352 | }, |
---|
| 1353 | |
---|
| 1354 | descendantOf: function(element, ancestor) { |
---|
| 1355 | element = $(element), ancestor = $(ancestor); |
---|
| 1356 | while (element = element.parentNode) |
---|
| 1357 | if (element == ancestor) return true; |
---|
| 1358 | return false; |
---|
| 1359 | }, |
---|
| 1360 | |
---|
| 1361 | scrollTo: function(element) { |
---|
| 1362 | element = $(element); |
---|
| 1363 | var pos = Position.cumulativeOffset(element); |
---|
| 1364 | window.scrollTo(pos[0], pos[1]); |
---|
| 1365 | return element; |
---|
| 1366 | }, |
---|
| 1367 | |
---|
| 1368 | getStyle: function(element, style) { |
---|
| 1369 | element = $(element); |
---|
| 1370 | if (['float','cssFloat'].include(style)) |
---|
| 1371 | style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat'); |
---|
| 1372 | style = style.camelize(); |
---|
| 1373 | var value = element.style[style]; |
---|
| 1374 | if (!value) { |
---|
| 1375 | if (document.defaultView && document.defaultView.getComputedStyle) { |
---|
| 1376 | var css = document.defaultView.getComputedStyle(element, null); |
---|
| 1377 | value = css ? css[style] : null; |
---|
| 1378 | } else if (element.currentStyle) { |
---|
| 1379 | value = element.currentStyle[style]; |
---|
| 1380 | } |
---|
| 1381 | } |
---|
| 1382 | |
---|
| 1383 | if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none')) |
---|
| 1384 | value = element['offset'+style.capitalize()] + 'px'; |
---|
| 1385 | |
---|
| 1386 | if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) |
---|
| 1387 | if (Element.getStyle(element, 'position') == 'static') value = 'auto'; |
---|
| 1388 | if(style == 'opacity') { |
---|
| 1389 | if(value) return parseFloat(value); |
---|
| 1390 | if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
---|
| 1391 | if(value[1]) return parseFloat(value[1]) / 100; |
---|
| 1392 | return 1.0; |
---|
| 1393 | } |
---|
| 1394 | return value == 'auto' ? null : value; |
---|
| 1395 | }, |
---|
| 1396 | |
---|
| 1397 | setStyle: function(element, style) { |
---|
| 1398 | element = $(element); |
---|
| 1399 | for (var name in style) { |
---|
| 1400 | var value = style[name]; |
---|
| 1401 | if(name == 'opacity') { |
---|
| 1402 | if (value == 1) { |
---|
| 1403 | value = (/Gecko/.test(navigator.userAgent) && |
---|
| 1404 | !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0; |
---|
| 1405 | if(/MSIE/.test(navigator.userAgent) && !window.opera) |
---|
| 1406 | element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); |
---|
| 1407 | } else if(value == '') { |
---|
| 1408 | if(/MSIE/.test(navigator.userAgent) && !window.opera) |
---|
| 1409 | element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); |
---|
| 1410 | } else { |
---|
| 1411 | if(value < 0.00001) value = 0; |
---|
| 1412 | if(/MSIE/.test(navigator.userAgent) && !window.opera) |
---|
| 1413 | element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') + |
---|
| 1414 | 'alpha(opacity='+value*100+')'; |
---|
| 1415 | } |
---|
| 1416 | } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat'; |
---|
| 1417 | element.style[name.camelize()] = value; |
---|
| 1418 | } |
---|
| 1419 | return element; |
---|
| 1420 | }, |
---|
| 1421 | |
---|
| 1422 | getDimensions: function(element) { |
---|
| 1423 | element = $(element); |
---|
| 1424 | var display = $(element).getStyle('display'); |
---|
| 1425 | if (display != 'none' && display != null) // Safari bug |
---|
| 1426 | return {width: element.offsetWidth, height: element.offsetHeight}; |
---|
| 1427 | |
---|
| 1428 | // All *Width and *Height properties give 0 on elements with display none, |
---|
| 1429 | // so enable the element temporarily |
---|
| 1430 | var els = element.style; |
---|
| 1431 | var originalVisibility = els.visibility; |
---|
| 1432 | var originalPosition = els.position; |
---|
| 1433 | var originalDisplay = els.display; |
---|
| 1434 | els.visibility = 'hidden'; |
---|
| 1435 | els.position = 'absolute'; |
---|
| 1436 | els.display = 'block'; |
---|
| 1437 | var originalWidth = element.clientWidth; |
---|
| 1438 | var originalHeight = element.clientHeight; |
---|
| 1439 | els.display = originalDisplay; |
---|
| 1440 | els.position = originalPosition; |
---|
| 1441 | els.visibility = originalVisibility; |
---|
| 1442 | return {width: originalWidth, height: originalHeight}; |
---|
| 1443 | }, |
---|
| 1444 | |
---|
| 1445 | makePositioned: function(element) { |
---|
| 1446 | element = $(element); |
---|
| 1447 | var pos = Element.getStyle(element, 'position'); |
---|
| 1448 | if (pos == 'static' || !pos) { |
---|
| 1449 | element._madePositioned = true; |
---|
| 1450 | element.style.position = 'relative'; |
---|
| 1451 | // Opera returns the offset relative to the positioning context, when an |
---|
| 1452 | // element is position relative but top and left have not been defined |
---|
| 1453 | if (window.opera) { |
---|
| 1454 | element.style.top = 0; |
---|
| 1455 | element.style.left = 0; |
---|
| 1456 | } |
---|
| 1457 | } |
---|
| 1458 | return element; |
---|
| 1459 | }, |
---|
| 1460 | |
---|
| 1461 | undoPositioned: function(element) { |
---|
| 1462 | element = $(element); |
---|
| 1463 | if (element._madePositioned) { |
---|
| 1464 | element._madePositioned = undefined; |
---|
| 1465 | element.style.position = |
---|
| 1466 | element.style.top = |
---|
| 1467 | element.style.left = |
---|
| 1468 | element.style.bottom = |
---|
| 1469 | element.style.right = ''; |
---|
| 1470 | } |
---|
| 1471 | return element; |
---|
| 1472 | }, |
---|
| 1473 | |
---|
| 1474 | makeClipping: function(element) { |
---|
| 1475 | element = $(element); |
---|
| 1476 | if (element._overflow) return element; |
---|
| 1477 | element._overflow = element.style.overflow || 'auto'; |
---|
| 1478 | if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
---|
| 1479 | element.style.overflow = 'hidden'; |
---|
| 1480 | return element; |
---|
| 1481 | }, |
---|
| 1482 | |
---|
| 1483 | undoClipping: function(element) { |
---|
| 1484 | element = $(element); |
---|
| 1485 | if (!element._overflow) return element; |
---|
| 1486 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
---|
| 1487 | element._overflow = null; |
---|
| 1488 | return element; |
---|
| 1489 | } |
---|
| 1490 | }; |
---|
| 1491 | |
---|
| 1492 | Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf}); |
---|
| 1493 | |
---|
| 1494 | Element._attributeTranslations = {}; |
---|
| 1495 | |
---|
| 1496 | Element._attributeTranslations.names = { |
---|
| 1497 | colspan: "colSpan", |
---|
| 1498 | rowspan: "rowSpan", |
---|
| 1499 | valign: "vAlign", |
---|
| 1500 | datetime: "dateTime", |
---|
| 1501 | accesskey: "accessKey", |
---|
| 1502 | tabindex: "tabIndex", |
---|
| 1503 | enctype: "encType", |
---|
| 1504 | maxlength: "maxLength", |
---|
| 1505 | readonly: "readOnly", |
---|
| 1506 | longdesc: "longDesc" |
---|
| 1507 | }; |
---|
| 1508 | |
---|
| 1509 | Element._attributeTranslations.values = { |
---|
| 1510 | _getAttr: function(element, attribute) { |
---|
| 1511 | return element.getAttribute(attribute, 2); |
---|
| 1512 | }, |
---|
| 1513 | |
---|
| 1514 | _flag: function(element, attribute) { |
---|
| 1515 | return $(element).hasAttribute(attribute) ? attribute : null; |
---|
| 1516 | }, |
---|
| 1517 | |
---|
| 1518 | style: function(element) { |
---|
| 1519 | return element.style.cssText.toLowerCase(); |
---|
| 1520 | }, |
---|
| 1521 | |
---|
| 1522 | title: function(element) { |
---|
| 1523 | var node = element.getAttributeNode('title'); |
---|
| 1524 | return node.specified ? node.nodeValue : null; |
---|
| 1525 | } |
---|
| 1526 | }; |
---|
| 1527 | |
---|
| 1528 | Object.extend(Element._attributeTranslations.values, { |
---|
| 1529 | href: Element._attributeTranslations.values._getAttr, |
---|
| 1530 | src: Element._attributeTranslations.values._getAttr, |
---|
| 1531 | disabled: Element._attributeTranslations.values._flag, |
---|
| 1532 | checked: Element._attributeTranslations.values._flag, |
---|
| 1533 | readonly: Element._attributeTranslations.values._flag, |
---|
| 1534 | multiple: Element._attributeTranslations.values._flag |
---|
| 1535 | }); |
---|
| 1536 | |
---|
| 1537 | Element.Methods.Simulated = { |
---|
| 1538 | hasAttribute: function(element, attribute) { |
---|
| 1539 | var t = Element._attributeTranslations; |
---|
| 1540 | attribute = t.names[attribute] || attribute; |
---|
| 1541 | return $(element).getAttributeNode(attribute).specified; |
---|
| 1542 | } |
---|
| 1543 | }; |
---|
| 1544 | |
---|
| 1545 | // IE is missing .innerHTML support for TABLE-related elements |
---|
| 1546 | if (document.all && !window.opera){ |
---|
| 1547 | Element.Methods.update = function(element, html) { |
---|
| 1548 | element = $(element); |
---|
| 1549 | html = typeof html == 'undefined' ? '' : html.toString(); |
---|
| 1550 | var tagName = element.tagName.toUpperCase(); |
---|
| 1551 | if (['THEAD','TBODY','TR','TD'].include(tagName)) { |
---|
| 1552 | var div = document.createElement('div'); |
---|
| 1553 | switch (tagName) { |
---|
| 1554 | case 'THEAD': |
---|
| 1555 | case 'TBODY': |
---|
| 1556 | div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; |
---|
| 1557 | depth = 2; |
---|
| 1558 | break; |
---|
| 1559 | case 'TR': |
---|
| 1560 | div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; |
---|
| 1561 | depth = 3; |
---|
| 1562 | break; |
---|
| 1563 | case 'TD': |
---|
| 1564 | div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; |
---|
| 1565 | depth = 4; |
---|
| 1566 | } |
---|
| 1567 | $A(element.childNodes).each(function(node){ |
---|
| 1568 | element.removeChild(node) |
---|
| 1569 | }); |
---|
| 1570 | depth.times(function(){ div = div.firstChild }); |
---|
| 1571 | |
---|
| 1572 | $A(div.childNodes).each( |
---|
| 1573 | function(node){ element.appendChild(node) }); |
---|
| 1574 | } else { |
---|
| 1575 | element.innerHTML = html.stripScripts(); |
---|
| 1576 | } |
---|
| 1577 | setTimeout(function() {html.evalScripts()}, 10); |
---|
| 1578 | return element; |
---|
| 1579 | } |
---|
| 1580 | }; |
---|
| 1581 | |
---|
| 1582 | Object.extend(Element, Element.Methods); |
---|
| 1583 | |
---|
| 1584 | var _nativeExtensions = false; |
---|
| 1585 | |
---|
| 1586 | if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
---|
| 1587 | ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { |
---|
| 1588 | var className = 'HTML' + tag + 'Element'; |
---|
| 1589 | if(window[className]) return; |
---|
| 1590 | var klass = window[className] = {}; |
---|
| 1591 | klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; |
---|
| 1592 | }); |
---|
| 1593 | |
---|
| 1594 | Element.addMethods = function(methods) { |
---|
| 1595 | Object.extend(Element.Methods, methods || {}); |
---|
| 1596 | |
---|
| 1597 | function copy(methods, destination, onlyIfAbsent) { |
---|
| 1598 | onlyIfAbsent = onlyIfAbsent || false; |
---|
| 1599 | var cache = Element.extend.cache; |
---|
| 1600 | for (var property in methods) { |
---|
| 1601 | var value = methods[property]; |
---|
| 1602 | if (!onlyIfAbsent || !(property in destination)) |
---|
| 1603 | destination[property] = cache.findOrStore(value); |
---|
| 1604 | } |
---|
| 1605 | } |
---|
| 1606 | |
---|
| 1607 | if (typeof HTMLElement != 'undefined') { |
---|
| 1608 | copy(Element.Methods, HTMLElement.prototype); |
---|
| 1609 | copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
---|
| 1610 | copy(Form.Methods, HTMLFormElement.prototype); |
---|
| 1611 | [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) { |
---|
| 1612 | copy(Form.Element.Methods, klass.prototype); |
---|
| 1613 | }); |
---|
| 1614 | _nativeExtensions = true; |
---|
| 1615 | } |
---|
| 1616 | }; |
---|
| 1617 | |
---|
| 1618 | var Toggle = new Object(); |
---|
| 1619 | Toggle.display = Element.toggle; |
---|
| 1620 | |
---|
| 1621 | /*--------------------------------------------------------------------------*/ |
---|
| 1622 | |
---|
| 1623 | Abstract.Insertion = function(adjacency) { |
---|
| 1624 | this.adjacency = adjacency; |
---|
| 1625 | }; |
---|
| 1626 | |
---|
| 1627 | Abstract.Insertion.prototype = { |
---|
| 1628 | initialize: function(element, content) { |
---|
| 1629 | this.element = $(element); |
---|
| 1630 | this.content = content.stripScripts(); |
---|
| 1631 | |
---|
| 1632 | if (this.adjacency && this.element.insertAdjacentHTML) { |
---|
| 1633 | try { |
---|
| 1634 | this.element.insertAdjacentHTML(this.adjacency, this.content); |
---|
| 1635 | } catch (e) { |
---|
| 1636 | var tagName = this.element.tagName.toUpperCase(); |
---|
| 1637 | if (['TBODY', 'TR'].include(tagName)) { |
---|
| 1638 | this.insertContent(this.contentFromAnonymousTable()); |
---|
| 1639 | } else { |
---|
| 1640 | throw e; |
---|
| 1641 | } |
---|
| 1642 | } |
---|
| 1643 | } else { |
---|
| 1644 | this.range = this.element.ownerDocument.createRange(); |
---|
| 1645 | if (this.initializeRange) this.initializeRange(); |
---|
| 1646 | this.insertContent([this.range.createContextualFragment(this.content)]); |
---|
| 1647 | } |
---|
| 1648 | |
---|
| 1649 | setTimeout(function() {content.evalScripts()}, 10); |
---|
| 1650 | }, |
---|
| 1651 | |
---|
| 1652 | contentFromAnonymousTable: function() { |
---|
| 1653 | var div = document.createElement('div'); |
---|
| 1654 | div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; |
---|
| 1655 | return $A(div.childNodes[0].childNodes[0].childNodes); |
---|
| 1656 | } |
---|
| 1657 | }; |
---|
| 1658 | |
---|
| 1659 | var Insertion = new Object(); |
---|
| 1660 | |
---|
| 1661 | Insertion.Before = Class.create(); |
---|
| 1662 | Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { |
---|
| 1663 | initializeRange: function() { |
---|
| 1664 | this.range.setStartBefore(this.element); |
---|
| 1665 | }, |
---|
| 1666 | |
---|
| 1667 | insertContent: function(fragments) { |
---|
| 1668 | fragments.each((function(fragment) { |
---|
| 1669 | this.element.parentNode.insertBefore(fragment, this.element); |
---|
| 1670 | }).bind(this)); |
---|
| 1671 | } |
---|
| 1672 | }); |
---|
| 1673 | |
---|
| 1674 | Insertion.Top = Class.create(); |
---|
| 1675 | Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { |
---|
| 1676 | initializeRange: function() { |
---|
| 1677 | this.range.selectNodeContents(this.element); |
---|
| 1678 | this.range.collapse(true); |
---|
| 1679 | }, |
---|
| 1680 | |
---|
| 1681 | insertContent: function(fragments) { |
---|
| 1682 | fragments.reverse(false).each((function(fragment) { |
---|
| 1683 | this.element.insertBefore(fragment, this.element.firstChild); |
---|
| 1684 | }).bind(this)); |
---|
| 1685 | } |
---|
| 1686 | }); |
---|
| 1687 | |
---|
| 1688 | Insertion.Bottom = Class.create(); |
---|
| 1689 | Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { |
---|
| 1690 | initializeRange: function() { |
---|
| 1691 | this.range.selectNodeContents(this.element); |
---|
| 1692 | this.range.collapse(this.element); |
---|
| 1693 | }, |
---|
| 1694 | |
---|
| 1695 | insertContent: function(fragments) { |
---|
| 1696 | fragments.each((function(fragment) { |
---|
| 1697 | this.element.appendChild(fragment); |
---|
| 1698 | }).bind(this)); |
---|
| 1699 | } |
---|
| 1700 | }); |
---|
| 1701 | |
---|
| 1702 | Insertion.After = Class.create(); |
---|
| 1703 | Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
---|
| 1704 | initializeRange: function() { |
---|
| 1705 | this.range.setStartAfter(this.element); |
---|
| 1706 | }, |
---|
| 1707 | |
---|
| 1708 | insertContent: function(fragments) { |
---|
| 1709 | fragments.each((function(fragment) { |
---|
| 1710 | this.element.parentNode.insertBefore(fragment, |
---|
| 1711 | this.element.nextSibling); |
---|
| 1712 | }).bind(this)); |
---|
| 1713 | } |
---|
| 1714 | }); |
---|
| 1715 | |
---|
| 1716 | /*--------------------------------------------------------------------------*/ |
---|
| 1717 | |
---|
| 1718 | Element.ClassNames = Class.create(); |
---|
| 1719 | Element.ClassNames.prototype = { |
---|
| 1720 | initialize: function(element) { |
---|
| 1721 | this.element = $(element); |
---|
| 1722 | }, |
---|
| 1723 | |
---|
| 1724 | _each: function(iterator) { |
---|
| 1725 | this.element.className.split(/\s+/).select(function(name) { |
---|
| 1726 | return name.length > 0; |
---|
| 1727 | })._each(iterator); |
---|
| 1728 | }, |
---|
| 1729 | |
---|
| 1730 | set: function(className) { |
---|
| 1731 | this.element.className = className; |
---|
| 1732 | }, |
---|
| 1733 | |
---|
| 1734 | add: function(classNameToAdd) { |
---|
| 1735 | if (this.include(classNameToAdd)) return; |
---|
| 1736 | this.set($A(this).concat(classNameToAdd).join(' ')); |
---|
| 1737 | }, |
---|
| 1738 | |
---|
| 1739 | remove: function(classNameToRemove) { |
---|
| 1740 | if (!this.include(classNameToRemove)) return; |
---|
| 1741 | this.set($A(this).without(classNameToRemove).join(' ')); |
---|
| 1742 | }, |
---|
| 1743 | |
---|
| 1744 | toString: function() { |
---|
| 1745 | return $A(this).join(' '); |
---|
| 1746 | } |
---|
| 1747 | }; |
---|
| 1748 | |
---|
| 1749 | Object.extend(Element.ClassNames.prototype, Enumerable); |
---|
| 1750 | var Selector = Class.create(); |
---|
| 1751 | Selector.prototype = { |
---|
| 1752 | initialize: function(expression) { |
---|
| 1753 | this.params = {classNames: []}; |
---|
| 1754 | this.expression = expression.toString().strip(); |
---|
| 1755 | this.parseExpression(); |
---|
| 1756 | this.compileMatcher(); |
---|
| 1757 | }, |
---|
| 1758 | |
---|
| 1759 | parseExpression: function() { |
---|
| 1760 | function abort(message) { throw 'Parse error in selector: ' + message; } |
---|
| 1761 | |
---|
| 1762 | if (this.expression == '') abort('empty expression'); |
---|
| 1763 | |
---|
| 1764 | var params = this.params, expr = this.expression, match, modifier, clause, rest; |
---|
| 1765 | while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { |
---|
| 1766 | params.attributes = params.attributes || []; |
---|
| 1767 | params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); |
---|
| 1768 | expr = match[1]; |
---|
| 1769 | } |
---|
| 1770 | |
---|
| 1771 | if (expr == '*') return this.params.wildcard = true; |
---|
| 1772 | |
---|
| 1773 | while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { |
---|
| 1774 | modifier = match[1], clause = match[2], rest = match[3]; |
---|
| 1775 | switch (modifier) { |
---|
| 1776 | case '#': params.id = clause; break; |
---|
| 1777 | case '.': params.classNames.push(clause); break; |
---|
| 1778 | case '': |
---|
| 1779 | case undefined: params.tagName = clause.toUpperCase(); break; |
---|
| 1780 | default: abort(expr.inspect()); |
---|
| 1781 | } |
---|
| 1782 | expr = rest; |
---|
| 1783 | } |
---|
| 1784 | |
---|
| 1785 | if (expr.length > 0) abort(expr.inspect()); |
---|
| 1786 | }, |
---|
| 1787 | |
---|
| 1788 | buildMatchExpression: function() { |
---|
| 1789 | var params = this.params, conditions = [], clause; |
---|
| 1790 | |
---|
| 1791 | if (params.wildcard) |
---|
| 1792 | conditions.push('true'); |
---|
| 1793 | if (clause = params.id) |
---|
| 1794 | conditions.push('element.readAttribute("id") == ' + clause.inspect()); |
---|
| 1795 | if (clause = params.tagName) |
---|
| 1796 | conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); |
---|
| 1797 | if ((clause = params.classNames).length > 0) |
---|
| 1798 | for (var i = 0, length = clause.length; i < length; i++) |
---|
| 1799 | conditions.push('element.hasClassName(' + clause[i].inspect() + ')'); |
---|
| 1800 | if (clause = params.attributes) { |
---|
| 1801 | clause.each(function(attribute) { |
---|
| 1802 | var value = 'element.readAttribute(' + attribute.name.inspect() + ')'; |
---|
| 1803 | var splitValueBy = function(delimiter) { |
---|
| 1804 | return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; |
---|
| 1805 | }; |
---|
| 1806 | |
---|
| 1807 | switch (attribute.operator) { |
---|
| 1808 | case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; |
---|
| 1809 | case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; |
---|
| 1810 | case '|=': conditions.push( |
---|
| 1811 | splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() |
---|
| 1812 | ); break; |
---|
| 1813 | case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; |
---|
| 1814 | case '': |
---|
| 1815 | case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break; |
---|
| 1816 | default: throw 'Unknown operator ' + attribute.operator + ' in selector'; |
---|
| 1817 | } |
---|
| 1818 | }); |
---|
| 1819 | } |
---|
| 1820 | |
---|
| 1821 | return conditions.join(' && '); |
---|
| 1822 | }, |
---|
| 1823 | |
---|
| 1824 | compileMatcher: function() { |
---|
| 1825 | this.match = new Function('element', 'if (!element.tagName) return false; element = $(element); return ' + this.buildMatchExpression()); |
---|
| 1826 | }, |
---|
| 1827 | |
---|
| 1828 | findElements: function(scope) { |
---|
| 1829 | var element; |
---|
| 1830 | |
---|
| 1831 | if (element = $(this.params.id)) |
---|
| 1832 | if (this.match(element)) |
---|
| 1833 | if (!scope || Element.childOf(element, scope)) |
---|
| 1834 | return [element]; |
---|
| 1835 | |
---|
| 1836 | scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); |
---|
| 1837 | |
---|
| 1838 | var results = []; |
---|
| 1839 | for (var i = 0, length = scope.length; i < length; i++) |
---|
| 1840 | if (this.match(element = scope[i])) |
---|
| 1841 | results.push(Element.extend(element)); |
---|
| 1842 | |
---|
| 1843 | return results; |
---|
| 1844 | }, |
---|
| 1845 | |
---|
| 1846 | toString: function() { |
---|
| 1847 | return this.expression; |
---|
| 1848 | } |
---|
| 1849 | }; |
---|
| 1850 | |
---|
| 1851 | Object.extend(Selector, { |
---|
| 1852 | matchElements: function(elements, expression) { |
---|
| 1853 | var selector = new Selector(expression); |
---|
| 1854 | return elements.select(selector.match.bind(selector)).map(Element.extend); |
---|
| 1855 | }, |
---|
| 1856 | |
---|
| 1857 | findElement: function(elements, expression, index) { |
---|
| 1858 | if (typeof expression == 'number') index = expression, expression = false; |
---|
| 1859 | return Selector.matchElements(elements, expression || '*')[index || 0]; |
---|
| 1860 | }, |
---|
| 1861 | |
---|
| 1862 | findChildElements: function(element, expressions) { |
---|
| 1863 | return expressions.map(function(expression) { |
---|
| 1864 | return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) { |
---|
| 1865 | var selector = new Selector(expr); |
---|
| 1866 | return results.inject([], function(elements, result) { |
---|
| 1867 | return elements.concat(selector.findElements(result || element)); |
---|
| 1868 | }); |
---|
| 1869 | }); |
---|
| 1870 | }).flatten(); |
---|
| 1871 | } |
---|
| 1872 | }); |
---|
| 1873 | |
---|
| 1874 | function $$() { |
---|
| 1875 | return Selector.findChildElements(document, $A(arguments)); |
---|
| 1876 | }; |
---|
| 1877 | var Form = { |
---|
| 1878 | reset: function(form) { |
---|
| 1879 | $(form).reset(); |
---|
| 1880 | return form; |
---|
| 1881 | }, |
---|
| 1882 | |
---|
| 1883 | serializeElements: function(elements, getHash) { |
---|
| 1884 | var data = elements.inject({}, function(result, element) { |
---|
| 1885 | if (!element.disabled && element.name) { |
---|
| 1886 | var key = element.name, value = $(element).getValue(); |
---|
| 1887 | if (value != undefined) { |
---|
| 1888 | value = escape(value); |
---|
| 1889 | if (result[key]) { |
---|
| 1890 | if (result[key].constructor != Array) result[key] = [result[key]]; |
---|
| 1891 | result[key].push(value); |
---|
| 1892 | } |
---|
| 1893 | else result[key] = value; |
---|
| 1894 | } |
---|
| 1895 | } |
---|
| 1896 | return result; |
---|
| 1897 | }); |
---|
| 1898 | |
---|
| 1899 | return getHash ? data : Hash.toQueryString(data); |
---|
| 1900 | } |
---|
| 1901 | }; |
---|
| 1902 | |
---|
| 1903 | Form.Methods = { |
---|
| 1904 | serialize: function(form, getHash) { |
---|
| 1905 | return Form.serializeElements(Form.getElements(form), getHash); |
---|
| 1906 | }, |
---|
| 1907 | |
---|
| 1908 | getElements: function(form) { |
---|
| 1909 | return $A($(form).getElementsByTagName('*')).inject([], |
---|
| 1910 | function(elements, child) { |
---|
| 1911 | if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
---|
| 1912 | elements.push(Element.extend(child)); |
---|
| 1913 | return elements; |
---|
| 1914 | } |
---|
| 1915 | ); |
---|
| 1916 | }, |
---|
| 1917 | |
---|
| 1918 | getInputs: function(form, typeName, name) { |
---|
| 1919 | form = $(form); |
---|
| 1920 | var inputs = form.getElementsByTagName('input'); |
---|
| 1921 | |
---|
| 1922 | if (!typeName && !name) return $A(inputs).map(Element.extend); |
---|
| 1923 | |
---|
| 1924 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
---|
| 1925 | var input = inputs[i]; |
---|
| 1926 | if ((typeName && input.type != typeName) || (name && input.name != name)) |
---|
| 1927 | continue; |
---|
| 1928 | matchingInputs.push(Element.extend(input)); |
---|
| 1929 | } |
---|
| 1930 | |
---|
| 1931 | return matchingInputs; |
---|
| 1932 | }, |
---|
| 1933 | |
---|
| 1934 | disable: function(form) { |
---|
| 1935 | form = $(form); |
---|
| 1936 | form.getElements().each(function(element) { |
---|
| 1937 | element.blur(); |
---|
| 1938 | element.disabled = 'true'; |
---|
| 1939 | }); |
---|
| 1940 | return form; |
---|
| 1941 | }, |
---|
| 1942 | |
---|
| 1943 | enable: function(form) { |
---|
| 1944 | form = $(form); |
---|
| 1945 | form.getElements().each(function(element) { |
---|
| 1946 | element.disabled = ''; |
---|
| 1947 | }); |
---|
| 1948 | return form; |
---|
| 1949 | }, |
---|
| 1950 | |
---|
| 1951 | findFirstElement: function(form) { |
---|
| 1952 | return $(form).getElements().find(function(element) { |
---|
| 1953 | return element.type != 'hidden' && !element.disabled && |
---|
| 1954 | ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
---|
| 1955 | }); |
---|
| 1956 | }, |
---|
| 1957 | |
---|
| 1958 | focusFirstElement: function(form) { |
---|
| 1959 | form = $(form); |
---|
| 1960 | form.findFirstElement().activate(); |
---|
| 1961 | return form; |
---|
| 1962 | } |
---|
| 1963 | }; |
---|
| 1964 | |
---|
| 1965 | Object.extend(Form, Form.Methods); |
---|
| 1966 | |
---|
| 1967 | /*--------------------------------------------------------------------------*/ |
---|
| 1968 | |
---|
| 1969 | Form.Element = { |
---|
| 1970 | focus: function(element) { |
---|
| 1971 | $(element).focus(); |
---|
| 1972 | return element; |
---|
| 1973 | }, |
---|
| 1974 | |
---|
| 1975 | select: function(element) { |
---|
| 1976 | $(element).select(); |
---|
| 1977 | return element; |
---|
| 1978 | } |
---|
| 1979 | }; |
---|
| 1980 | |
---|
| 1981 | Form.Element.Methods = { |
---|
| 1982 | serialize: function(element) { |
---|
| 1983 | element = $(element); |
---|
| 1984 | if (!element.disabled && element.name) { |
---|
| 1985 | var value = element.getValue(); |
---|
| 1986 | if (value != undefined) { |
---|
| 1987 | var pair = {}; |
---|
| 1988 | pair[element.name] = value; |
---|
| 1989 | return Hash.toQueryString(pair); |
---|
| 1990 | } |
---|
| 1991 | } |
---|
| 1992 | return ''; |
---|
| 1993 | }, |
---|
| 1994 | |
---|
| 1995 | getValue: function(element) { |
---|
| 1996 | element = $(element); |
---|
| 1997 | var method = element.tagName.toLowerCase(); |
---|
| 1998 | return Form.Element.Serializers[method](element); |
---|
| 1999 | }, |
---|
| 2000 | |
---|
| 2001 | clear: function(element) { |
---|
| 2002 | $(element).value = ''; |
---|
| 2003 | return element; |
---|
| 2004 | }, |
---|
| 2005 | |
---|
| 2006 | present: function(element) { |
---|
| 2007 | return $(element).value != ''; |
---|
| 2008 | }, |
---|
| 2009 | |
---|
| 2010 | activate: function(element) { |
---|
| 2011 | element = $(element); |
---|
| 2012 | element.focus(); |
---|
| 2013 | if (element.select && ( element.tagName.toLowerCase() != 'input' || |
---|
| 2014 | !['button', 'reset', 'submit'].include(element.type) ) ) |
---|
| 2015 | element.select(); |
---|
| 2016 | return element; |
---|
| 2017 | }, |
---|
| 2018 | |
---|
| 2019 | disable: function(element) { |
---|
| 2020 | element = $(element); |
---|
| 2021 | element.disabled = true; |
---|
| 2022 | return element; |
---|
| 2023 | }, |
---|
| 2024 | |
---|
| 2025 | enable: function(element) { |
---|
| 2026 | element = $(element); |
---|
| 2027 | element.blur(); |
---|
| 2028 | element.disabled = false; |
---|
| 2029 | return element; |
---|
| 2030 | } |
---|
| 2031 | }; |
---|
| 2032 | |
---|
| 2033 | Object.extend(Form.Element, Form.Element.Methods); |
---|
| 2034 | var Field = Form.Element; |
---|
| 2035 | var $F = Form.Element.getValue; |
---|
| 2036 | |
---|
| 2037 | /*--------------------------------------------------------------------------*/ |
---|
| 2038 | |
---|
| 2039 | Form.Element.Serializers = { |
---|
| 2040 | input: function(element) { |
---|
| 2041 | switch (element.type.toLowerCase()) { |
---|
| 2042 | case 'checkbox': |
---|
| 2043 | case 'radio': |
---|
| 2044 | return Form.Element.Serializers.inputSelector(element); |
---|
| 2045 | default: |
---|
| 2046 | return Form.Element.Serializers.textarea(element); |
---|
| 2047 | } |
---|
| 2048 | }, |
---|
| 2049 | |
---|
| 2050 | inputSelector: function(element) { |
---|
| 2051 | return element.checked ? element.value : null; |
---|
| 2052 | }, |
---|
| 2053 | |
---|
| 2054 | textarea: function(element) { |
---|
| 2055 | return element.value; |
---|
| 2056 | }, |
---|
| 2057 | |
---|
| 2058 | select: function(element) { |
---|
| 2059 | return this[element.type == 'select-one' ? |
---|
| 2060 | 'selectOne' : 'selectMany'](element); |
---|
| 2061 | }, |
---|
| 2062 | |
---|
| 2063 | selectOne: function(element) { |
---|
| 2064 | var index = element.selectedIndex; |
---|
| 2065 | return index >= 0 ? this.optionValue(element.options[index]) : null; |
---|
| 2066 | }, |
---|
| 2067 | |
---|
| 2068 | selectMany: function(element) { |
---|
| 2069 | var values, length = element.length; |
---|
| 2070 | if (!length) return null; |
---|
| 2071 | |
---|
| 2072 | for (var i = 0, values = []; i < length; i++) { |
---|
| 2073 | var opt = element.options[i]; |
---|
| 2074 | if (opt.selected) values.push(this.optionValue(opt)); |
---|
| 2075 | } |
---|
| 2076 | return values; |
---|
| 2077 | }, |
---|
| 2078 | |
---|
| 2079 | optionValue: function(opt) { |
---|
| 2080 | // extend element because hasAttribute may not be native |
---|
| 2081 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
---|
| 2082 | } |
---|
| 2083 | }; |
---|
| 2084 | |
---|
| 2085 | /*--------------------------------------------------------------------------*/ |
---|
| 2086 | |
---|
| 2087 | Abstract.TimedObserver = function() {}; |
---|
| 2088 | Abstract.TimedObserver.prototype = { |
---|
| 2089 | initialize: function(element, frequency, callback) { |
---|
| 2090 | this.frequency = frequency; |
---|
| 2091 | this.element = $(element); |
---|
| 2092 | this.callback = callback; |
---|
| 2093 | |
---|
| 2094 | this.lastValue = this.getValue(); |
---|
| 2095 | this.registerCallback(); |
---|
| 2096 | }, |
---|
| 2097 | |
---|
| 2098 | registerCallback: function() { |
---|
| 2099 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
---|
| 2100 | }, |
---|
| 2101 | |
---|
| 2102 | onTimerEvent: function() { |
---|
| 2103 | var value = this.getValue(); |
---|
| 2104 | var changed = ('string' == typeof this.lastValue && 'string' == typeof value |
---|
| 2105 | ? this.lastValue != value : String(this.lastValue) != String(value)); |
---|
| 2106 | if (changed) { |
---|
| 2107 | this.callback(this.element, value); |
---|
| 2108 | this.lastValue = value; |
---|
| 2109 | } |
---|
| 2110 | } |
---|
| 2111 | }; |
---|
| 2112 | |
---|
| 2113 | Form.Element.Observer = Class.create(); |
---|
| 2114 | Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
| 2115 | getValue: function() { |
---|
| 2116 | return Form.Element.getValue(this.element); |
---|
| 2117 | } |
---|
| 2118 | }); |
---|
| 2119 | |
---|
| 2120 | Form.Observer = Class.create(); |
---|
| 2121 | Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
| 2122 | getValue: function() { |
---|
| 2123 | return Form.serialize(this.element); |
---|
| 2124 | } |
---|
| 2125 | }); |
---|
| 2126 | |
---|
| 2127 | /*--------------------------------------------------------------------------*/ |
---|
| 2128 | |
---|
| 2129 | Abstract.EventObserver = function() {}; |
---|
| 2130 | Abstract.EventObserver.prototype = { |
---|
| 2131 | initialize: function(element, callback) { |
---|
| 2132 | this.element = $(element); |
---|
| 2133 | this.callback = callback; |
---|
| 2134 | |
---|
| 2135 | this.lastValue = this.getValue(); |
---|
| 2136 | if (this.element.tagName.toLowerCase() == 'form') |
---|
| 2137 | this.registerFormCallbacks(); |
---|
| 2138 | else |
---|
| 2139 | this.registerCallback(this.element); |
---|
| 2140 | }, |
---|
| 2141 | |
---|
| 2142 | onElementEvent: function() { |
---|
| 2143 | var value = this.getValue(); |
---|
| 2144 | if (this.lastValue != value) { |
---|
| 2145 | this.callback(this.element, value); |
---|
| 2146 | this.lastValue = value; |
---|
| 2147 | } |
---|
| 2148 | }, |
---|
| 2149 | |
---|
| 2150 | registerFormCallbacks: function() { |
---|
| 2151 | Form.getElements(this.element).each(this.registerCallback.bind(this)); |
---|
| 2152 | }, |
---|
| 2153 | |
---|
| 2154 | registerCallback: function(element) { |
---|
| 2155 | if (element.type) { |
---|
| 2156 | switch (element.type.toLowerCase()) { |
---|
| 2157 | case 'checkbox': |
---|
| 2158 | case 'radio': |
---|
| 2159 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
---|
| 2160 | break; |
---|
| 2161 | default: |
---|
| 2162 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
---|
| 2163 | break; |
---|
| 2164 | } |
---|
| 2165 | } |
---|
| 2166 | } |
---|
| 2167 | }; |
---|
| 2168 | |
---|
| 2169 | Form.Element.EventObserver = Class.create(); |
---|
| 2170 | Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
| 2171 | getValue: function() { |
---|
| 2172 | return Form.Element.getValue(this.element); |
---|
| 2173 | } |
---|
| 2174 | }); |
---|
| 2175 | |
---|
| 2176 | Form.EventObserver = Class.create(); |
---|
| 2177 | Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
| 2178 | getValue: function() { |
---|
| 2179 | return Form.serialize(this.element); |
---|
| 2180 | } |
---|
| 2181 | }); |
---|
| 2182 | if (!window.Event) { |
---|
| 2183 | var Event = new Object(); |
---|
| 2184 | }; |
---|
| 2185 | |
---|
| 2186 | Object.extend(Event, { |
---|
| 2187 | KEY_BACKSPACE: 8, |
---|
| 2188 | KEY_TAB: 9, |
---|
| 2189 | KEY_RETURN: 13, |
---|
| 2190 | KEY_ESC: 27, |
---|
| 2191 | KEY_LEFT: 37, |
---|
| 2192 | KEY_UP: 38, |
---|
| 2193 | KEY_RIGHT: 39, |
---|
| 2194 | KEY_DOWN: 40, |
---|
| 2195 | KEY_DELETE: 46, |
---|
| 2196 | KEY_HOME: 36, |
---|
| 2197 | KEY_END: 35, |
---|
| 2198 | KEY_PAGEUP: 33, |
---|
| 2199 | KEY_PAGEDOWN: 34, |
---|
| 2200 | |
---|
| 2201 | element: function(event) { |
---|
| 2202 | return event.target || event.srcElement; |
---|
| 2203 | }, |
---|
| 2204 | |
---|
| 2205 | isLeftClick: function(event) { |
---|
| 2206 | return (((event.which) && (event.which == 1)) || |
---|
| 2207 | ((event.button) && (event.button == 1))); |
---|
| 2208 | }, |
---|
| 2209 | |
---|
| 2210 | pointerX: function(event) { |
---|
| 2211 | return event.pageX || (event.clientX + |
---|
| 2212 | (document.documentElement.scrollLeft || document.body.scrollLeft)); |
---|
| 2213 | }, |
---|
| 2214 | |
---|
| 2215 | pointerY: function(event) { |
---|
| 2216 | return event.pageY || (event.clientY + |
---|
| 2217 | (document.documentElement.scrollTop || document.body.scrollTop)); |
---|
| 2218 | }, |
---|
| 2219 | |
---|
| 2220 | stop: function(event) { |
---|
| 2221 | if (event.preventDefault) { |
---|
| 2222 | event.preventDefault(); |
---|
| 2223 | event.stopPropagation(); |
---|
| 2224 | } else { |
---|
| 2225 | event.returnValue = false; |
---|
| 2226 | event.cancelBubble = true; |
---|
| 2227 | } |
---|
| 2228 | }, |
---|
| 2229 | |
---|
| 2230 | // find the first node with the given tagName, starting from the |
---|
| 2231 | // node the event was triggered on; traverses the DOM upwards |
---|
| 2232 | findElement: function(event, tagName) { |
---|
| 2233 | var element = Event.element(event); |
---|
| 2234 | while (element.parentNode && (!element.tagName || |
---|
| 2235 | (element.tagName.toUpperCase() != tagName.toUpperCase()))) |
---|
| 2236 | element = element.parentNode; |
---|
| 2237 | return element; |
---|
| 2238 | }, |
---|
| 2239 | |
---|
| 2240 | observers: false, |
---|
| 2241 | |
---|
| 2242 | _observeAndCache: function(element, name, observer, useCapture) { |
---|
| 2243 | if (!this.observers) this.observers = []; |
---|
| 2244 | if (element.addEventListener) { |
---|
| 2245 | this.observers.push([element, name, observer, useCapture]); |
---|
| 2246 | element.addEventListener(name, observer, useCapture); |
---|
| 2247 | } else if (element.attachEvent) { |
---|
| 2248 | this.observers.push([element, name, observer, useCapture]); |
---|
| 2249 | element.attachEvent('on' + name, observer); |
---|
| 2250 | } |
---|
| 2251 | }, |
---|
| 2252 | |
---|
| 2253 | unloadCache: function() { |
---|
| 2254 | if (!Event.observers) return; |
---|
| 2255 | for (var i = 0, length = Event.observers.length; i < length; i++) { |
---|
| 2256 | Event.stopObserving.apply(this, Event.observers[i]); |
---|
| 2257 | Event.observers[i][0] = null; |
---|
| 2258 | } |
---|
| 2259 | Event.observers = false; |
---|
| 2260 | }, |
---|
| 2261 | |
---|
| 2262 | observe: function(element, name, observer, useCapture) { |
---|
| 2263 | element = $(element); |
---|
| 2264 | useCapture = useCapture || false; |
---|
| 2265 | |
---|
| 2266 | if (name == 'keypress' && |
---|
| 2267 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
---|
| 2268 | || element.attachEvent)) |
---|
| 2269 | name = 'keydown'; |
---|
| 2270 | |
---|
| 2271 | Event._observeAndCache(element, name, observer, useCapture); |
---|
| 2272 | }, |
---|
| 2273 | |
---|
| 2274 | stopObserving: function(element, name, observer, useCapture) { |
---|
| 2275 | element = $(element); |
---|
| 2276 | useCapture = useCapture || false; |
---|
| 2277 | |
---|
| 2278 | if (name == 'keypress' && |
---|
| 2279 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
---|
| 2280 | || element.detachEvent)) |
---|
| 2281 | name = 'keydown'; |
---|
| 2282 | |
---|
| 2283 | if (element.removeEventListener) { |
---|
| 2284 | element.removeEventListener(name, observer, useCapture); |
---|
| 2285 | } else if (element.detachEvent) { |
---|
| 2286 | try { |
---|
| 2287 | element.detachEvent('on' + name, observer); |
---|
| 2288 | } catch (e) {} |
---|
| 2289 | } |
---|
| 2290 | } |
---|
| 2291 | }); |
---|
| 2292 | |
---|
| 2293 | /* prevent memory leaks in IE */ |
---|
| 2294 | if (navigator.appVersion.match(/\bMSIE\b/)) |
---|
| 2295 | Event.observe(window, 'unload', Event.unloadCache, false); |
---|
| 2296 | var Position = { |
---|
| 2297 | // set to true if needed, warning: firefox performance problems |
---|
| 2298 | // NOT neeeded for page scrolling, only if draggable contained in |
---|
| 2299 | // scrollable elements |
---|
| 2300 | includeScrollOffsets: false, |
---|
| 2301 | |
---|
| 2302 | // must be called before calling withinIncludingScrolloffset, every time the |
---|
| 2303 | // page is scrolled |
---|
| 2304 | prepare: function() { |
---|
| 2305 | this.deltaX = window.pageXOffset |
---|
| 2306 | || document.documentElement.scrollLeft |
---|
| 2307 | || document.body.scrollLeft |
---|
| 2308 | || 0; |
---|
| 2309 | this.deltaY = window.pageYOffset |
---|
| 2310 | || document.documentElement.scrollTop |
---|
| 2311 | || document.body.scrollTop |
---|
| 2312 | || 0; |
---|
| 2313 | }, |
---|
| 2314 | |
---|
| 2315 | realOffset: function(element) { |
---|
| 2316 | var valueT = 0, valueL = 0; |
---|
| 2317 | do { |
---|
| 2318 | valueT += element.scrollTop || 0; |
---|
| 2319 | valueL += element.scrollLeft || 0; |
---|
| 2320 | element = element.parentNode; |
---|
| 2321 | } while (element); |
---|
| 2322 | return [valueL, valueT]; |
---|
| 2323 | }, |
---|
| 2324 | |
---|
| 2325 | cumulativeOffset: function(element) { |
---|
| 2326 | var valueT = 0, valueL = 0; |
---|
| 2327 | do { |
---|
| 2328 | valueT += element.offsetTop || 0; |
---|
| 2329 | valueL += element.offsetLeft || 0; |
---|
| 2330 | element = element.offsetParent; |
---|
| 2331 | } while (element); |
---|
| 2332 | return [valueL, valueT]; |
---|
| 2333 | }, |
---|
| 2334 | |
---|
| 2335 | positionedOffset: function(element) { |
---|
| 2336 | var valueT = 0, valueL = 0; |
---|
| 2337 | do { |
---|
| 2338 | valueT += element.offsetTop || 0; |
---|
| 2339 | valueL += element.offsetLeft || 0; |
---|
| 2340 | element = element.offsetParent; |
---|
| 2341 | if (element) { |
---|
| 2342 | if(element.tagName=='BODY') break; |
---|
| 2343 | var p = Element.getStyle(element, 'position'); |
---|
| 2344 | if (p == 'relative' || p == 'absolute') break; |
---|
| 2345 | } |
---|
| 2346 | } while (element); |
---|
| 2347 | return [valueL, valueT]; |
---|
| 2348 | }, |
---|
| 2349 | |
---|
| 2350 | offsetParent: function(element) { |
---|
| 2351 | if (element.offsetParent) return element.offsetParent; |
---|
| 2352 | if (element == document.body) return element; |
---|
| 2353 | |
---|
| 2354 | while ((element = element.parentNode) && element != document.body) |
---|
| 2355 | if (Element.getStyle(element, 'position') != 'static') |
---|
| 2356 | return element; |
---|
| 2357 | |
---|
| 2358 | return document.body; |
---|
| 2359 | }, |
---|
| 2360 | |
---|
| 2361 | // caches x/y coordinate pair to use with overlap |
---|
| 2362 | within: function(element, x, y) { |
---|
| 2363 | if (this.includeScrollOffsets) |
---|
| 2364 | return this.withinIncludingScrolloffsets(element, x, y); |
---|
| 2365 | this.xcomp = x; |
---|
| 2366 | this.ycomp = y; |
---|
| 2367 | this.offset = this.cumulativeOffset(element); |
---|
| 2368 | |
---|
| 2369 | return (y >= this.offset[1] && |
---|
| 2370 | y < this.offset[1] + element.offsetHeight && |
---|
| 2371 | x >= this.offset[0] && |
---|
| 2372 | x < this.offset[0] + element.offsetWidth); |
---|
| 2373 | }, |
---|
| 2374 | |
---|
| 2375 | withinIncludingScrolloffsets: function(element, x, y) { |
---|
| 2376 | var offsetcache = this.realOffset(element); |
---|
| 2377 | |
---|
| 2378 | this.xcomp = x + offsetcache[0] - this.deltaX; |
---|
| 2379 | this.ycomp = y + offsetcache[1] - this.deltaY; |
---|
| 2380 | this.offset = this.cumulativeOffset(element); |
---|
| 2381 | |
---|
| 2382 | return (this.ycomp >= this.offset[1] && |
---|
| 2383 | this.ycomp < this.offset[1] + element.offsetHeight && |
---|
| 2384 | this.xcomp >= this.offset[0] && |
---|
| 2385 | this.xcomp < this.offset[0] + element.offsetWidth); |
---|
| 2386 | }, |
---|
| 2387 | |
---|
| 2388 | // within must be called directly before |
---|
| 2389 | overlap: function(mode, element) { |
---|
| 2390 | if (!mode) return 0; |
---|
| 2391 | if (mode == 'vertical') |
---|
| 2392 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
---|
| 2393 | element.offsetHeight; |
---|
| 2394 | if (mode == 'horizontal') |
---|
| 2395 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
---|
| 2396 | element.offsetWidth; |
---|
| 2397 | }, |
---|
| 2398 | |
---|
| 2399 | page: function(forElement) { |
---|
| 2400 | var valueT = 0, valueL = 0; |
---|
| 2401 | |
---|
| 2402 | var element = forElement; |
---|
| 2403 | do { |
---|
| 2404 | valueT += element.offsetTop || 0; |
---|
| 2405 | valueL += element.offsetLeft || 0; |
---|
| 2406 | |
---|
| 2407 | // Safari fix |
---|
| 2408 | if (element.offsetParent==document.body) |
---|
| 2409 | if (Element.getStyle(element,'position')=='absolute') break; |
---|
| 2410 | |
---|
| 2411 | } while (element = element.offsetParent); |
---|
| 2412 | |
---|
| 2413 | element = forElement; |
---|
| 2414 | do { |
---|
| 2415 | if (!window.opera || element.tagName=='BODY') { |
---|
| 2416 | valueT -= element.scrollTop || 0; |
---|
| 2417 | valueL -= element.scrollLeft || 0; |
---|
| 2418 | } |
---|
| 2419 | } while (element = element.parentNode); |
---|
| 2420 | |
---|
| 2421 | return [valueL, valueT]; |
---|
| 2422 | }, |
---|
| 2423 | |
---|
| 2424 | clone: function(source, target) { |
---|
| 2425 | var options = Object.extend({ |
---|
| 2426 | setLeft: true, |
---|
| 2427 | setTop: true, |
---|
| 2428 | setWidth: true, |
---|
| 2429 | setHeight: true, |
---|
| 2430 | offsetTop: 0, |
---|
| 2431 | offsetLeft: 0 |
---|
| 2432 | }, arguments[2] || {}); |
---|
| 2433 | |
---|
| 2434 | // find page position of source |
---|
| 2435 | source = $(source); |
---|
| 2436 | var p = Position.page(source); |
---|
| 2437 | |
---|
| 2438 | // find coordinate system to use |
---|
| 2439 | target = $(target); |
---|
| 2440 | var delta = [0, 0]; |
---|
| 2441 | var parent = null; |
---|
| 2442 | // delta [0,0] will do fine with position: fixed elements, |
---|
| 2443 | // position:absolute needs offsetParent deltas |
---|
| 2444 | if (Element.getStyle(target,'position') == 'absolute') { |
---|
| 2445 | parent = Position.offsetParent(target); |
---|
| 2446 | delta = Position.page(parent); |
---|
| 2447 | } |
---|
| 2448 | |
---|
| 2449 | // correct by body offsets (fixes Safari) |
---|
| 2450 | if (parent == document.body) { |
---|
| 2451 | delta[0] -= document.body.offsetLeft; |
---|
| 2452 | delta[1] -= document.body.offsetTop; |
---|
| 2453 | } |
---|
| 2454 | |
---|
| 2455 | // set position |
---|
| 2456 | if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
---|
| 2457 | if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
---|
| 2458 | if(options.setWidth) target.style.width = source.offsetWidth + 'px'; |
---|
| 2459 | if(options.setHeight) target.style.height = source.offsetHeight + 'px'; |
---|
| 2460 | }, |
---|
| 2461 | |
---|
| 2462 | absolutize: function(element) { |
---|
| 2463 | element = $(element); |
---|
| 2464 | if (element.style.position == 'absolute') return; |
---|
| 2465 | Position.prepare(); |
---|
| 2466 | |
---|
| 2467 | var offsets = Position.positionedOffset(element); |
---|
| 2468 | var top = offsets[1]; |
---|
| 2469 | var left = offsets[0]; |
---|
| 2470 | var width = element.clientWidth; |
---|
| 2471 | var height = element.clientHeight; |
---|
| 2472 | |
---|
| 2473 | element._originalLeft = left - parseFloat(element.style.left || 0); |
---|
| 2474 | element._originalTop = top - parseFloat(element.style.top || 0); |
---|
| 2475 | element._originalWidth = element.style.width; |
---|
| 2476 | element._originalHeight = element.style.height; |
---|
| 2477 | |
---|
| 2478 | element.style.position = 'absolute'; |
---|
| 2479 | element.style.top = top + 'px'; |
---|
| 2480 | element.style.left = left + 'px'; |
---|
| 2481 | element.style.width = width + 'px'; |
---|
| 2482 | element.style.height = height + 'px'; |
---|
| 2483 | }, |
---|
| 2484 | |
---|
| 2485 | relativize: function(element) { |
---|
| 2486 | element = $(element); |
---|
| 2487 | if (element.style.position == 'relative') return; |
---|
| 2488 | Position.prepare(); |
---|
| 2489 | |
---|
| 2490 | element.style.position = 'relative'; |
---|
| 2491 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
---|
| 2492 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
---|
| 2493 | |
---|
| 2494 | element.style.top = top + 'px'; |
---|
| 2495 | element.style.left = left + 'px'; |
---|
| 2496 | element.style.height = element._originalHeight; |
---|
| 2497 | element.style.width = element._originalWidth; |
---|
| 2498 | } |
---|
| 2499 | }; |
---|
| 2500 | |
---|
| 2501 | // Safari returns margins on body which is incorrect if the child is absolutely |
---|
| 2502 | // positioned. For performance reasons, redefine Position.cumulativeOffset for |
---|
| 2503 | // KHTML/WebKit only. |
---|
| 2504 | if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { |
---|
| 2505 | Position.cumulativeOffset = function(element) { |
---|
| 2506 | var valueT = 0, valueL = 0; |
---|
| 2507 | do { |
---|
| 2508 | valueT += element.offsetTop || 0; |
---|
| 2509 | valueL += element.offsetLeft || 0; |
---|
| 2510 | if (element.offsetParent == document.body) |
---|
| 2511 | if (Element.getStyle(element, 'position') == 'absolute') break; |
---|
| 2512 | |
---|
| 2513 | element = element.offsetParent; |
---|
| 2514 | } while (element); |
---|
| 2515 | |
---|
| 2516 | return [valueL, valueT]; |
---|
| 2517 | } |
---|
| 2518 | }; |
---|
| 2519 | |
---|
| 2520 | Element.addMethods(); |
---|