| 1 |
/******************************************************************** |
| 2 |
* Limit the characters that may be entered in a text field |
| 3 |
* Common options: alphanumeric, alphabetic or numeric |
| 4 |
* Kevin Sheedy, 2012 |
| 5 |
* http://github.com/KevinSheedy/jquery.alphanum |
| 6 |
*********************************************************************/ |
| 7 |
(function( $ ){ |
| 8 |
|
| 9 |
// API /////////////////////////////////////////////////////////////////// |
| 10 |
$.fn.alphanum = function(settings) { |
| 11 |
|
| 12 |
var combinedSettings = getCombinedSettingsAlphaNum(settings); |
| 13 |
|
| 14 |
var $collection = this; |
| 15 |
|
| 16 |
setupEventHandlers($collection, trimAlphaNum, combinedSettings); |
| 17 |
|
| 18 |
return this; |
| 19 |
}; |
| 20 |
|
| 21 |
$.fn.alpha = function(settings) { |
| 22 |
|
| 23 |
var defaultAlphaSettings = getCombinedSettingsAlphaNum("alpha"); |
| 24 |
var combinedSettings = getCombinedSettingsAlphaNum(settings, defaultAlphaSettings); |
| 25 |
|
| 26 |
var $collection = this; |
| 27 |
|
| 28 |
setupEventHandlers($collection, trimAlphaNum, combinedSettings); |
| 29 |
|
| 30 |
return this; |
| 31 |
}; |
| 32 |
|
| 33 |
$.fn.numeric = function(settings) { |
| 34 |
|
| 35 |
var combinedSettings = getCombinedSettingsNum(settings); |
| 36 |
var $collection = this; |
| 37 |
|
| 38 |
setupEventHandlers($collection, trimNum, combinedSettings); |
| 39 |
|
| 40 |
$collection.blur(function(){ |
| 41 |
numericField_Blur(this, settings); |
| 42 |
}); |
| 43 |
|
| 44 |
return this; |
| 45 |
}; |
| 46 |
|
| 47 |
// End of API ///////////////////////////////////////////////////////////// |
| 48 |
|
| 49 |
|
| 50 |
// Start Settings //////////////////////////////////////////////////////// |
| 51 |
|
| 52 |
var DEFAULT_SETTINGS_ALPHANUM = { |
| 53 |
allow : '', // Allow extra characters |
| 54 |
disallow : '', // Disallow extra characters |
| 55 |
allowSpace : true, // Allow the space character |
| 56 |
allowNumeric : true, // Allow digits 0-9 |
| 57 |
allowUpper : true, // Allow upper case characters |
| 58 |
allowLower : true, // Allow lower case characters |
| 59 |
allowCaseless : true, // Allow characters that don't have both upper & lower variants - eg Arabic or Chinese |
| 60 |
allowLatin : true, // a-z A-Z |
| 61 |
allowOtherCharSets : true, // eg �, �, Arabic, Chinese etc |
| 62 |
maxLength : NaN // eg Max Length |
| 63 |
} |
| 64 |
|
| 65 |
var DEFAULT_SETTINGS_NUM = { |
| 66 |
allowPlus : false, // Allow the + sign |
| 67 |
allowMinus : true, // Allow the - sign |
| 68 |
allowThouSep : true, // Allow the thousands separator, default is the comma eg 12,000 |
| 69 |
allowDecSep : true, // Allow the decimal separator, default is the fullstop eg 3.141 |
| 70 |
allowLeadingSpaces : false, |
| 71 |
maxDigits : NaN, // The max number of digits |
| 72 |
maxDecimalPlaces : NaN, // The max number of decimal places |
| 73 |
maxPreDecimalPlaces : NaN, // The max number digits before the decimal point |
| 74 |
max : NaN, // The max numeric value allowed |
| 75 |
min : NaN // The min numeric value allowed |
| 76 |
} |
| 77 |
|
| 78 |
// Some pre-defined groups of settings for convenience |
| 79 |
var CONVENIENCE_SETTINGS_ALPHANUM = { |
| 80 |
"alpha" : { |
| 81 |
allowNumeric : false |
| 82 |
}, |
| 83 |
"upper" : { |
| 84 |
allowNumeric : false, |
| 85 |
allowUpper : true, |
| 86 |
allowLower : false, |
| 87 |
allowCaseless : true |
| 88 |
}, |
| 89 |
"lower" : { |
| 90 |
allowNumeric : false, |
| 91 |
allowUpper : false, |
| 92 |
allowLower : true, |
| 93 |
allowCaseless : true |
| 94 |
} |
| 95 |
}; |
| 96 |
|
| 97 |
// Some pre-defined groups of settings for convenience |
| 98 |
var CONVENIENCE_SETTINGS_NUMERIC = { |
| 99 |
"integer" : { |
| 100 |
allowPlus : false, |
| 101 |
allowMinus : true, |
| 102 |
allowThouSep : false, |
| 103 |
allowDecSep : false |
| 104 |
}, |
| 105 |
"positiveInteger" : { |
| 106 |
allowPlus : false, |
| 107 |
allowMinus : false, |
| 108 |
allowThouSep : false, |
| 109 |
allowDecSep : false |
| 110 |
} |
| 111 |
}; |
| 112 |
|
| 113 |
|
| 114 |
var BLACKLIST = getBlacklistAscii() + getBlacklistNonAscii(); |
| 115 |
var THOU_SEP = ","; |
| 116 |
var DEC_SEP = "."; |
| 117 |
var DIGITS = getDigitsMap(); |
| 118 |
var LATIN_CHARS = getLatinCharsSet(); |
| 119 |
|
| 120 |
// Return the blacklisted special chars that are encodable using 7-bit ascii |
| 121 |
function getBlacklistAscii(){ |
| 122 |
var blacklist = '!@#$%^&*()+=[]\\\';,/{}|":<>?~`.-_'; |
| 123 |
blacklist += " "; // 'Space' is on the blacklist but can be enabled using the 'allowSpace' config entry |
| 124 |
return blacklist; |
| 125 |
} |
| 126 |
|
| 127 |
// Return the blacklisted special chars that are NOT encodable using 7-bit ascii |
| 128 |
// We want this .js file to be encoded using 7-bit ascii so it can reach the widest possible audience |
| 129 |
// Higher order chars must be escaped eg "\xAC" |
| 130 |
// Not too worried about comments containing higher order characters for now (let's wait and see if it becomes a problem) |
| 131 |
function getBlacklistNonAscii(){ |
| 132 |
var blacklist = |
| 133 |
"\xAC" // � |
| 134 |
+ "\u20AC" // � |
| 135 |
+ "\xA3" // � |
| 136 |
+ "\xA6" // � |
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; |
| 138 |
return blacklist; |
| 139 |
} |
| 140 |
|
| 141 |
// End Settings //////////////////////////////////////////////////////// |
| 142 |
|
| 143 |
|
| 144 |
// Implementation details go here //////////////////////////////////////////////////////// |
| 145 |
|
| 146 |
function setupEventHandlers($textboxes, trimFunction, settings) { |
| 147 |
|
| 148 |
$textboxes.each(function(){ |
| 149 |
|
| 150 |
var $textbox = $(this); |
| 151 |
|
| 152 |
$textbox.bind("keyup change paste", function(e){ |
| 153 |
|
| 154 |
var pastedText = ""; |
| 155 |
|
| 156 |
if(e.originalEvent && e.originalEvent.clipboardData && e.originalEvent.clipboardData.getData) |
| 157 |
pastedText = e.originalEvent.clipboardData.getData("text/plain") |
| 158 |
|
| 159 |
// setTimeout is necessary for handling the 'paste' event |
| 160 |
setTimeout(function(){ |
| 161 |
trimTextbox($textbox, trimFunction, settings, pastedText); |
| 162 |
}, 0); |
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}); |
| 164 |
|
| 165 |
$textbox.bind("keypress", function(e){ |
| 166 |
|
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// Determine which key is pressed. |
| 168 |
// If it's a control key, then allow the event's default action to occur eg backspace, tab |
| 169 |
var charCode = !e.charCode ? e.which : e.charCode; |
| 170 |
if(isControlKey(charCode) |
| 171 |
|| e.ctrlKey |
| 172 |
|| e.metaKey ) // cmd on MacOS |
| 173 |
return; |
| 174 |
|
| 175 |
var newChar = String.fromCharCode(charCode); |
| 176 |
|
| 177 |
// Determine if some text was selected / highlighted when the key was pressed |
| 178 |
var selectionObject = $textbox.selection(); |
| 179 |
var start = selectionObject.start; |
| 180 |
var end = selectionObject.end; |
| 181 |
|
| 182 |
var textBeforeKeypress = $textbox.val(); |
| 183 |
|
| 184 |
// The new char may be inserted: |
| 185 |
// 1) At the start |
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// 2) In the middle |
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// 3) At the end |
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// 4) User highlights some text and then presses a key which would replace the highlighted text |
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// |
| 190 |
// Here we build the string that would result after the keypress. |
| 191 |
// If the resulting string is invalid, we cancel the event. |
| 192 |
// Unfortunately, it isn't enough to just check if the new char is valid because some chars |
| 193 |
// are position sensitive eg the decimal point '.'' or the minus sign '-'' are only valid in certain positions. |
| 194 |
var potentialTextAfterKeypress = textBeforeKeypress.substring(0, start) + newChar + textBeforeKeypress.substring(end); |
| 195 |
var validatedText = trimFunction(potentialTextAfterKeypress, settings); |
| 196 |
|
| 197 |
// If the keypress would cause the textbox to contain invalid characters, then cancel the keypress event |
| 198 |
if(validatedText != potentialTextAfterKeypress) |
| 199 |
e.preventDefault(); |
| 200 |
}); |
| 201 |
}); |
| 202 |
|
| 203 |
} |
| 204 |
|
| 205 |
// Ensure the text is a valid number when focus leaves the textbox |
| 206 |
// This catches the case where a user enters '-' or '.' without entering any digits |
| 207 |
function numericField_Blur(inputBox, settings) { |
| 208 |
var fieldValueNumeric = parseFloat($(inputBox).val()); |
| 209 |
var $inputBox = $(inputBox); |
| 210 |
|
| 211 |
if(isNaN(fieldValueNumeric)) { |
| 212 |
$inputBox.val(""); |
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return; |
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} |
| 215 |
|
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if(isNumeric(settings.min) && fieldValueNumeric < settings.min) |
| 217 |
$inputBox.val(""); |
| 218 |
|
| 219 |
if(isNumeric(settings.max) && fieldValueNumeric > settings.max) |
| 220 |
$inputBox.val(""); |
| 221 |
} |
| 222 |
|
| 223 |
function isNumeric(value) { |
| 224 |
return !isNaN(value); |
| 225 |
} |
| 226 |
|
| 227 |
function isControlKey(charCode) { |
| 228 |
|
| 229 |
if(charCode >= 32) |
| 230 |
return false; |
| 231 |
if(charCode == 10) |
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return false; |
| 233 |
if(charCode == 13) |
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return false; |
| 235 |
|
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return true; |
| 237 |
} |
| 238 |
|
| 239 |
// One way to prevent a character being entered is to cancel the keypress event. |
| 240 |
// However, this gets messy when you have to deal with things like copy paste which isn't a keypress. |
| 241 |
// Which event gets fired first, keypress or keyup? What about IE6 etc etc? |
| 242 |
// Instead, it's easier to allow the 'bad' character to be entered and then to delete it immediately after. |
| 243 |
|
| 244 |
function trimTextbox($textBox, trimFunction, settings, pastedText){ |
| 245 |
|
| 246 |
var inputString = $textBox.val(); |
| 247 |
|
| 248 |
if(inputString == "" && pastedText.length > 0) |
| 249 |
inputString = pastedText; |
| 250 |
|
| 251 |
var outputString = trimFunction(inputString, settings); |
| 252 |
|
| 253 |
if(inputString == outputString) |
| 254 |
return; |
| 255 |
|
| 256 |
var caretPos = $textBox.alphanum_caret(); |
| 257 |
|
| 258 |
$textBox.val(outputString); |
| 259 |
|
| 260 |
//Reset the caret position |
| 261 |
if(inputString.length ==(outputString.length + 1)) |
| 262 |
$textBox.alphanum_caret(caretPos - 1); |
| 263 |
else |
| 264 |
$textBox.alphanum_caret(caretPos); |
| 265 |
} |
| 266 |
|
| 267 |
function getCombinedSettingsAlphaNum(settings, defaultSettings){ |
| 268 |
if(typeof defaultSettings == "undefined") |
| 269 |
defaultSettings = DEFAULT_SETTINGS_ALPHANUM; |
| 270 |
var userSettings, combinedSettings = {}; |
| 271 |
if(typeof settings === "string") |
| 272 |
userSettings = CONVENIENCE_SETTINGS_ALPHANUM[settings]; |
| 273 |
else if(typeof settings == "undefined") |
| 274 |
userSettings = {}; |
| 275 |
else |
| 276 |
userSettings = settings; |
| 277 |
|
| 278 |
$.extend(combinedSettings, defaultSettings, userSettings); |
| 279 |
|
| 280 |
if(typeof combinedSettings.blacklist == 'undefined') |
| 281 |
combinedSettings.blacklistSet = getBlacklistSet(combinedSettings.allow, combinedSettings.disallow); |
| 282 |
|
| 283 |
return combinedSettings; |
| 284 |
} |
| 285 |
|
| 286 |
function getCombinedSettingsNum(settings){ |
| 287 |
var userSettings, combinedSettings = {}; |
| 288 |
if(typeof settings === "string") |
| 289 |
userSettings = CONVENIENCE_SETTINGS_NUMERIC[settings]; |
| 290 |
else if(typeof settings == "undefined") |
| 291 |
userSettings = {}; |
| 292 |
else |
| 293 |
userSettings = settings; |
| 294 |
|
| 295 |
$.extend(combinedSettings, DEFAULT_SETTINGS_NUM, userSettings); |
| 296 |
|
| 297 |
return combinedSettings; |
| 298 |
} |
| 299 |
|
| 300 |
|
| 301 |
// This is the heart of the algorithm |
| 302 |
function alphanum_allowChar(validatedStringFragment, Char, settings){ |
| 303 |
|
| 304 |
if(settings.maxLength && validatedStringFragment.length >= settings.maxLength) |
| 305 |
return false; |
| 306 |
|
| 307 |
if(settings.allow.indexOf(Char) >=0 ) |
| 308 |
return true; |
| 309 |
|
| 310 |
if(settings.allowSpace && (Char == " ")) |
| 311 |
return true; |
| 312 |
|
| 313 |
if(settings.blacklistSet.contains(Char)) |
| 314 |
return false; |
| 315 |
|
| 316 |
if(!settings.allowNumeric && DIGITS[Char]) |
| 317 |
return false; |
| 318 |
|
| 319 |
if(!settings.allowUpper && isUpper(Char)) |
| 320 |
return false; |
| 321 |
|
| 322 |
if(!settings.allowLower && isLower(Char)) |
| 323 |
return false; |
| 324 |
|
| 325 |
if(!settings.allowCaseless && isCaseless(Char)) |
| 326 |
return false; |
| 327 |
|
| 328 |
if(!settings.allowLatin && LATIN_CHARS.contains(Char)) |
| 329 |
return false; |
| 330 |
|
| 331 |
if(!settings.allowOtherCharSets){ |
| 332 |
if(DIGITS[Char] || LATIN_CHARS.contains(Char)) |
| 333 |
return true; |
| 334 |
else |
| 335 |
return false; |
| 336 |
} |
| 337 |
|
| 338 |
return true; |
| 339 |
} |
| 340 |
|
| 341 |
function numeric_allowChar(validatedStringFragment, Char, settings){ |
| 342 |
|
| 343 |
if(DIGITS[Char]) { |
| 344 |
|
| 345 |
if(isMaxDigitsReached(validatedStringFragment, settings)) |
| 346 |
return false; |
| 347 |
|
| 348 |
if(isMaxPreDecimalsReached(validatedStringFragment, settings)) |
| 349 |
return false; |
| 350 |
|
| 351 |
if(isMaxDecimalsReached(validatedStringFragment, settings)) |
| 352 |
return false; |
| 353 |
|
| 354 |
if(isGreaterThanMax(validatedStringFragment + Char, settings)) |
| 355 |
return false; |
| 356 |
|
| 357 |
if(isLessThanMin(validatedStringFragment + Char, settings)) |
| 358 |
return false; |
| 359 |
|
| 360 |
return true; |
| 361 |
} |
| 362 |
|
| 363 |
if(settings.allowPlus && Char == '+' && validatedStringFragment == '') |
| 364 |
return true; |
| 365 |
|
| 366 |
if(settings.allowMinus && Char == '-' && validatedStringFragment == '') |
| 367 |
return true; |
| 368 |
|
| 369 |
if(Char == THOU_SEP && settings.allowThouSep && allowThouSep(validatedStringFragment, Char)) |
| 370 |
return true; |
| 371 |
|
| 372 |
if(Char == DEC_SEP) { |
| 373 |
// Only one decimal separator allowed |
| 374 |
if(validatedStringFragment.indexOf(DEC_SEP) >= 0) |
| 375 |
return false; |
| 376 |
if(settings.allowDecSep) |
| 377 |
return true; |
| 378 |
} |
| 379 |
|
| 380 |
return false; |
| 381 |
} |
| 382 |
|
| 383 |
function countDigits(string) { |
| 384 |
|
| 385 |
// Error handling, nulls etc |
| 386 |
string = string + ""; |
| 387 |
|
| 388 |
// Count the digits |
| 389 |
return string.replace(/[^0-9]/g,"").length; |
| 390 |
} |
| 391 |
|
| 392 |
function isMaxDigitsReached(string, settings) { |
| 393 |
|
| 394 |
var maxDigits = settings.maxDigits; |
| 395 |
|
| 396 |
if(maxDigits == "" || isNaN(maxDigits)) |
| 397 |
return false; // In this case, there is no maximum |
| 398 |
|
| 399 |
var numDigits = countDigits(string); |
| 400 |
|
| 401 |
if(numDigits >= maxDigits) |
| 402 |
return true; |
| 403 |
|
| 404 |
return false; |
| 405 |
} |
| 406 |
|
| 407 |
function isMaxDecimalsReached(string, settings) { |
| 408 |
|
| 409 |
var maxDecimalPlaces = settings.maxDecimalPlaces; |
| 410 |
|
| 411 |
if(maxDecimalPlaces == "" || isNaN(maxDecimalPlaces)) |
| 412 |
return false; // In this case, there is no maximum |
| 413 |
|
| 414 |
var indexOfDecimalPoint = string.indexOf(DEC_SEP); |
| 415 |
|
| 416 |
if(indexOfDecimalPoint == -1) |
| 417 |
return false; |
| 418 |
|
| 419 |
var decimalSubstring = string.substring(indexOfDecimalPoint); |
| 420 |
var numDecimals = countDigits(decimalSubstring); |
| 421 |
|
| 422 |
if(numDecimals >= maxDecimalPlaces) |
| 423 |
return true; |
| 424 |
|
| 425 |
return false; |
| 426 |
} |
| 427 |
|
| 428 |
function isMaxPreDecimalsReached(string, settings) { |
| 429 |
|
| 430 |
var maxPreDecimalPlaces = settings.maxPreDecimalPlaces; |
| 431 |
|
| 432 |
if(maxPreDecimalPlaces == "" || isNaN(maxPreDecimalPlaces)) |
| 433 |
return false; // In this case, there is no maximum |
| 434 |
|
| 435 |
var indexOfDecimalPoint = string.indexOf(DEC_SEP); |
| 436 |
|
| 437 |
if(indexOfDecimalPoint >= 0) |
| 438 |
return false; |
| 439 |
|
| 440 |
var numPreDecimalDigits = countDigits(string); |
| 441 |
|
| 442 |
if(numPreDecimalDigits >= maxPreDecimalPlaces) |
| 443 |
return true; |
| 444 |
|
| 445 |
return false; |
| 446 |
} |
| 447 |
|
| 448 |
function isGreaterThanMax(numericString, settings) { |
| 449 |
|
| 450 |
if(!settings.max || settings.max < 0) |
| 451 |
return false; |
| 452 |
|
| 453 |
var outputNumber = parseFloat(numericString); |
| 454 |
if(outputNumber > settings.max) |
| 455 |
return true; |
| 456 |
|
| 457 |
return false; |
| 458 |
} |
| 459 |
|
| 460 |
function isLessThanMin(numericString, settings) { |
| 461 |
|
| 462 |
if(!settings.min || settings.min > 0) |
| 463 |
return false; |
| 464 |
|
| 465 |
var outputNumber = parseFloat(numericString); |
| 466 |
if(outputNumber < settings.min) |
| 467 |
return true; |
| 468 |
|
| 469 |
return false; |
| 470 |
} |
| 471 |
|
| 472 |
/******************************** |
| 473 |
* Trims a string according to the settings provided |
| 474 |
********************************/ |
| 475 |
function trimAlphaNum(inputString, settings){ |
| 476 |
|
| 477 |
if(typeof inputString != "string") |
| 478 |
return inputString; |
| 479 |
|
| 480 |
var inChars = inputString.split(""); |
| 481 |
var outChars = []; |
| 482 |
var i = 0; |
| 483 |
var Char; |
| 484 |
|
| 485 |
for(i=0; i<inChars.length; i++){ |
| 486 |
Char = inChars[i]; |
| 487 |
var validatedStringFragment = outChars.join(""); |
| 488 |
if(alphanum_allowChar(validatedStringFragment, Char, settings)) |
| 489 |
outChars.push(Char); |
| 490 |
} |
| 491 |
|
| 492 |
return outChars.join(""); |
| 493 |
} |
| 494 |
|
| 495 |
function trimNum(inputString, settings){ |
| 496 |
if(typeof inputString != "string") |
| 497 |
return inputString; |
| 498 |
|
| 499 |
var inChars = inputString.split(""); |
| 500 |
var outChars = []; |
| 501 |
var i = 0; |
| 502 |
var Char; |
| 503 |
|
| 504 |
for(i=0; i<inChars.length; i++){ |
| 505 |
Char = inChars[i]; |
| 506 |
var validatedStringFragment = outChars.join(""); |
| 507 |
if(numeric_allowChar(validatedStringFragment, Char, settings)) |
| 508 |
outChars.push(Char); |
| 509 |
} |
| 510 |
|
| 511 |
return outChars.join(""); |
| 512 |
} |
| 513 |
|
| 514 |
function removeUpperCase(inputString){ |
| 515 |
var charArray = inputString.split(''); |
| 516 |
var i = 0; |
| 517 |
var outputArray = []; |
| 518 |
var Char; |
| 519 |
|
| 520 |
for(i=0; i<charArray.length; i++){ |
| 521 |
Char = charArray[i]; |
| 522 |
} |
| 523 |
} |
| 524 |
|
| 525 |
function removeLowerCase(inputString){ |
| 526 |
|
| 527 |
} |
| 528 |
|
| 529 |
function isUpper(Char){ |
| 530 |
var upper = Char.toUpperCase(); |
| 531 |
var lower = Char.toLowerCase(); |
| 532 |
|
| 533 |
if( (Char == upper) && (upper != lower)) |
| 534 |
return true; |
| 535 |
else |
| 536 |
return false; |
| 537 |
} |
| 538 |
|
| 539 |
function isLower(Char){ |
| 540 |
var upper = Char.toUpperCase(); |
| 541 |
var lower = Char.toLowerCase(); |
| 542 |
|
| 543 |
if( (Char == lower) && (upper != lower)) |
| 544 |
return true; |
| 545 |
else |
| 546 |
return false; |
| 547 |
} |
| 548 |
|
| 549 |
function isCaseless(Char){ |
| 550 |
if(Char.toUpperCase() == Char.toLowerCase()) |
| 551 |
return true; |
| 552 |
else |
| 553 |
return false; |
| 554 |
} |
| 555 |
|
| 556 |
function getBlacklistSet(allow, disallow){ |
| 557 |
|
| 558 |
var setOfBadChars = new Set(BLACKLIST + disallow); |
| 559 |
var setOfGoodChars = new Set(allow); |
| 560 |
|
| 561 |
var blacklistSet = setOfBadChars.subtract(setOfGoodChars); |
| 562 |
|
| 563 |
return blacklistSet; |
| 564 |
} |
| 565 |
|
| 566 |
function getDigitsMap(){ |
| 567 |
var array = "0123456789".split(""); |
| 568 |
var map = {}; |
| 569 |
var i = 0; |
| 570 |
var digit; |
| 571 |
|
| 572 |
for(i=0; i<array.length; i++){ |
| 573 |
digit = array[i]; |
| 574 |
map[digit] = true; |
| 575 |
} |
| 576 |
|
| 577 |
return map; |
| 578 |
} |
| 579 |
|
| 580 |
function getLatinCharsSet(){ |
| 581 |
var lower = "abcdefghijklmnopqrstuvwxyz"; |
| 582 |
var upper = lower.toUpperCase(); |
| 583 |
var azAZ = new Set(lower + upper); |
| 584 |
|
| 585 |
return azAZ; |
| 586 |
} |
| 587 |
|
| 588 |
function allowThouSep(currentString, Char) { |
| 589 |
|
| 590 |
// Can't start with a THOU_SEP |
| 591 |
if(currentString.length == 0) |
| 592 |
return false; |
| 593 |
|
| 594 |
// Can't have a THOU_SEP anywhere after a DEC_SEP |
| 595 |
var posOfDecSep = currentString.indexOf(DEC_SEP); |
| 596 |
if(posOfDecSep >= 0) |
| 597 |
return false; |
| 598 |
|
| 599 |
var posOfFirstThouSep = currentString.indexOf(THOU_SEP); |
| 600 |
|
| 601 |
// Check if this is the first occurrence of a THOU_SEP |
| 602 |
if(posOfFirstThouSep < 0) |
| 603 |
return true; |
| 604 |
|
| 605 |
var posOfLastThouSep = currentString.lastIndexOf(THOU_SEP); |
| 606 |
var charsSinceLastThouSep = currentString.length - posOfLastThouSep - 1; |
| 607 |
|
| 608 |
// Check if there has been 3 digits since the last THOU_SEP |
| 609 |
if(charsSinceLastThouSep < 3) |
| 610 |
return false; |
| 611 |
|
| 612 |
var digitsSinceFirstThouSep = countDigits(currentString.substring(posOfFirstThouSep)); |
| 613 |
|
| 614 |
// Check if there has been a multiple of 3 digits since the first THOU_SEP |
| 615 |
if((digitsSinceFirstThouSep % 3) > 0) |
| 616 |
return false; |
| 617 |
|
| 618 |
return true; |
| 619 |
} |
| 620 |
|
| 621 |
//////////////////////////////////////////////////////////////////////////////////// |
| 622 |
// Implementation of a Set |
| 623 |
//////////////////////////////////////////////////////////////////////////////////// |
| 624 |
function Set(elems){ |
| 625 |
if(typeof elems == "string") |
| 626 |
this.map = stringToMap(elems); |
| 627 |
else |
| 628 |
this.map = {}; |
| 629 |
} |
| 630 |
|
| 631 |
Set.prototype.add = function(set){ |
| 632 |
|
| 633 |
var newSet = this.clone(); |
| 634 |
|
| 635 |
for(var key in set.map) |
| 636 |
newSet.map[key] = true; |
| 637 |
|
| 638 |
return newSet; |
| 639 |
} |
| 640 |
|
| 641 |
Set.prototype.subtract = function(set){ |
| 642 |
|
| 643 |
var newSet = this.clone(); |
| 644 |
|
| 645 |
for(var key in set.map) |
| 646 |
delete newSet.map[key]; |
| 647 |
|
| 648 |
return newSet; |
| 649 |
} |
| 650 |
|
| 651 |
Set.prototype.contains = function(key){ |
| 652 |
if(this.map[key]) |
| 653 |
return true; |
| 654 |
else |
| 655 |
return false; |
| 656 |
} |
| 657 |
|
| 658 |
Set.prototype.clone = function(){ |
| 659 |
var newSet = new Set(); |
| 660 |
|
| 661 |
for(var key in this.map) |
| 662 |
newSet.map[key] = true; |
| 663 |
|
| 664 |
return newSet; |
| 665 |
} |
| 666 |
//////////////////////////////////////////////////////////////////////////////////// |
| 667 |
|
| 668 |
function stringToMap(string){ |
| 669 |
var map = {}; |
| 670 |
var array = string.split(""); |
| 671 |
var i=0; |
| 672 |
var Char; |
| 673 |
|
| 674 |
for(i=0; i<array.length; i++){ |
| 675 |
Char = array[i]; |
| 676 |
map[Char] = true; |
| 677 |
} |
| 678 |
|
| 679 |
return map; |
| 680 |
} |
| 681 |
|
| 682 |
// Backdoor for testing |
| 683 |
$.fn.alphanum.backdoorAlphaNum = function(inputString, settings){ |
| 684 |
var combinedSettings = getCombinedSettingsAlphaNum(settings); |
| 685 |
|
| 686 |
return trimAlphaNum(inputString, combinedSettings); |
| 687 |
}; |
| 688 |
|
| 689 |
$.fn.alphanum.backdoorNumeric = function(inputString, settings){ |
| 690 |
var combinedSettings = getCombinedSettingsNum(settings); |
| 691 |
|
| 692 |
return trimNum(inputString, combinedSettings); |
| 693 |
}; |
| 694 |
|
| 695 |
$.fn.alphanum.setNumericSeparators = function(settings) { |
| 696 |
|
| 697 |
if(settings.thousandsSeparator.length != 1) |
| 698 |
return; |
| 699 |
|
| 700 |
if(settings.decimalSeparator.length != 1) |
| 701 |
return; |
| 702 |
|
| 703 |
THOU_SEP = settings.thousandsSeparator; |
| 704 |
DEC_SEP = settings.decimalSeparator; |
| 705 |
} |
| 706 |
|
| 707 |
})( jQuery ); |
| 708 |
|
| 709 |
|
| 710 |
//Include the 3rd party lib: jquery.caret.js |
| 711 |
|
| 712 |
|
| 713 |
// Set caret position easily in jQuery |
| 714 |
// Written by and Copyright of Luke Morton, 2011 |
| 715 |
// Licensed under MIT |
| 716 |
(function ($) { |
| 717 |
// Behind the scenes method deals with browser |
| 718 |
// idiosyncrasies and such |
| 719 |
function caretTo(el, index) { |
| 720 |
if (el.createTextRange) { |
| 721 |
var range = el.createTextRange(); |
| 722 |
range.move("character", index); |
| 723 |
range.select(); |
| 724 |
} else if (el.selectionStart != null) { |
| 725 |
el.focus(); |
| 726 |
el.setSelectionRange(index, index); |
| 727 |
} |
| 728 |
}; |
| 729 |
|
| 730 |
// Another behind the scenes that collects the |
| 731 |
// current caret position for an element |
| 732 |
|
| 733 |
// TODO: Get working with Opera |
| 734 |
function caretPos(el) { |
| 735 |
if ("selection" in document) { |
| 736 |
var range = el.createTextRange(); |
| 737 |
try { |
| 738 |
range.setEndPoint("EndToStart", document.selection.createRange()); |
| 739 |
} catch (e) { |
| 740 |
// Catch IE failure here, return 0 like |
| 741 |
// other browsers |
| 742 |
return 0; |
| 743 |
} |
| 744 |
return range.text.length; |
| 745 |
} else if (el.selectionStart != null) { |
| 746 |
return el.selectionStart; |
| 747 |
} |
| 748 |
}; |
| 749 |
|
| 750 |
// The following methods are queued under fx for more |
| 751 |
// flexibility when combining with $.fn.delay() and |
| 752 |
// jQuery effects. |
| 753 |
|
| 754 |
// Set caret to a particular index |
| 755 |
$.fn.alphanum_caret = function (index, offset) { |
| 756 |
if (typeof(index) === "undefined") { |
| 757 |
return caretPos(this.get(0)); |
| 758 |
} |
| 759 |
|
| 760 |
return this.queue(function (next) { |
| 761 |
if (isNaN(index)) { |
| 762 |
var i = $(this).val().indexOf(index); |
| 763 |
|
| 764 |
if (offset === true) { |
| 765 |
i += index.length; |
| 766 |
} else if (typeof(offset) !== "undefined") { |
| 767 |
i += offset; |
| 768 |
} |
| 769 |
|
| 770 |
caretTo(this, i); |
| 771 |
} else { |
| 772 |
caretTo(this, index); |
| 773 |
} |
| 774 |
|
| 775 |
next(); |
| 776 |
}); |
| 777 |
}; |
| 778 |
}(jQuery)); |
| 779 |
|
| 780 |
/********************************************************** |
| 781 |
* Selection Library |
| 782 |
* Used to determine what text is highlighted in the textbox before a key is pressed. |
| 783 |
* http://donejs.com/docs.html#!jQuery.fn.selection |
| 784 |
* https://github.com/jupiterjs/jquerymx/blob/master/dom/selection/selection.js |
| 785 |
***********************************************************/ |
| 786 |
(function(e){var t=function(e){return e.replace(/([a-z])([a-z]+)/gi,function(e,t,n){return t+n.toLowerCase()}).replace(/_/g,"")},n=function(e){return e.replace(/^([a-z]+)_TO_([a-z]+)/i,function(e,t,n){return n+"_TO_"+t})},r=function(e){return e?e.ownerDocument.defaultView||e.ownerDocument.parentWindow:window},i=function(t,n){var r=e.Range.current(t).clone(),i=e.Range(t).select(t);if(!r.overlaps(i)){return null}if(r.compare("START_TO_START",i)<1){startPos=0;r.move("START_TO_START",i)}else{fromElementToCurrent=i.clone();fromElementToCurrent.move("END_TO_START",r);startPos=fromElementToCurrent.toString().length}if(r.compare("END_TO_END",i)>=0){endPos=i.toString().length}else{endPos=startPos+r.toString().length}return{start:startPos,end:endPos}},s=function(t){var n=r(t);if(t.selectionStart!==undefined){if(document.activeElement&&document.activeElement!=t&&t.selectionStart==t.selectionEnd&&t.selectionStart==0){return{start:t.value.length,end:t.value.length}}return{start:t.selectionStart,end:t.selectionEnd}}else if(n.getSelection){return i(t,n)}else{try{if(t.nodeName.toLowerCase()=="input"){var s=r(t).document.selection.createRange(),o=t.createTextRange();o.setEndPoint("EndToStart",s);var u=o.text.length;return{start:u,end:u+s.text.length}}else{var a=i(t,n);if(!a){return a}var f=e.Range.current().clone(),l=f.clone().collapse().range,c=f.clone().collapse(false).range;l.moveStart("character",-1);c.moveStart("character",-1);if(a.startPos!=0&&l.text==""){a.startPos+=2}if(a.endPos!=0&&c.text==""){a.endPos+=2}return a}}catch(h){return{start:t.value.length,end:t.value.length}}}},o=function(e,t,n){var i=r(e);if(e.setSelectionRange){if(n===undefined){e.focus();e.setSelectionRange(t,t)}else{e.select();e.selectionStart=t;e.selectionEnd=n}}else if(e.createTextRange){var s=e.createTextRange();s.moveStart("character",t);n=n||t;s.moveEnd("character",n-e.value.length);s.select()}else if(i.getSelection){var o=i.document,u=i.getSelection(),f=o.createRange(),l=[t,n!==undefined?n:t];a([e],l);f.setStart(l[0].el,l[0].count);f.setEnd(l[1].el,l[1].count);u.removeAllRanges();u.addRange(f)}else if(i.document.body.createTextRange){var f=document.body.createTextRange();f.moveToElementText(e);f.collapse();f.moveStart("character",t);f.moveEnd("character",n!==undefined?n:t);f.select()}},u=function(e,t,n,r){if(typeof n[0]==="number"&&n[0]<t){n[0]={el:r,count:n[0]-e}}if(typeof n[1]==="number"&&n[1]<=t){n[1]={el:r,count:n[1]-e};}},a=function(e,t,n){var r,i;n=n||0;for(var s=0;e[s];s++){r=e[s];if(r.nodeType===3||r.nodeType===4){i=n;n+=r.nodeValue.length;u(i,n,t,r)}else if(r.nodeType!==8){n=a(r.childNodes,t,n)}}return n};jQuery.fn.selection=function(e,t){if(e!==undefined){return this.each(function(){o(this,e,t)})}else{return s(this[0])}};e.fn.selection.getCharElement=a})(jQuery) |
