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242 lines
7.2 KiB
JavaScript
242 lines
7.2 KiB
JavaScript
/// <reference path="../../../lib/jquery-1.2.6.js" />
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/*
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* Copyright (c) 2007-2008 Josh Bush (digitalbush.com)
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Version: 1.2.0
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* Release: 2008-12-07
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*/
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(function($) {
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var pasteEventName = ($.browser.msie ? 'paste' : 'input')+".mask";
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$.mask = {
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//Predefined character definitions
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definitions: {
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'9': "[0-9]",
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'a': "[A-Za-z]",
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'*': "[A-Za-z0-9]"
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},
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addPlaceholder: function(c, r) {//Deprecated, this is going away in a future release.
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$.mask.definitions[c] = r;
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}
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};
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$.fn.extend({
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//Helper Function for Caret positioning
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caret: function(begin, end) {
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if (this.length == 0) return;
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if (typeof begin == 'number') {
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end = (typeof end == 'number') ? end : begin;
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return this.each(function() {
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if (this.setSelectionRange) {
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this.focus();
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this.setSelectionRange(begin, end);
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} else if (this.createTextRange) {
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var range = this.createTextRange();
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range.collapse(true);
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range.moveEnd('character', end);
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range.moveStart('character', begin);
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range.select();
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}
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});
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} else {
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if (this[0].setSelectionRange) {
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begin = this[0].selectionStart;
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end = this[0].selectionEnd;
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} else if (document.selection && document.selection.createRange) {
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var range = document.selection.createRange();
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begin = 0 - range.duplicate().moveStart('character', -100000);
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end = begin + range.text.length;
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}
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return { begin: begin, end: end };
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}
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},
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unmask: function() { return this.trigger("unmask"); },
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mask: function(mask, settings) {
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if (!mask && this.length > 0) {
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var input = $(this[0]);
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var locked = input.data("locked");
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return $.map(input.data("buffer"), function(c, i) {
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return locked[i] ? null : c;
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}).join('');
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}
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settings = $.extend({
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placeholder: "_",
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allowPartial: false,
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completed: null
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}, settings);
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//Build Regex for format validation
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var re = new RegExp("^" +
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$.map(mask.split(""), function(c, i) {
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return $.mask.definitions[c] || ((/[A-Za-z0-9]/.test(c) ? "" : "\\") + c);
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}).join('') +
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"$");
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return this.each(function() {
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var input = $(this);
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var buffer = new Array(mask.length);
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var locked = new Array(mask.length);
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var ignore = false; //Variable for ignoring control keys
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var firstNonMaskPos = null;
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//Build buffer layout from mask & determine the first non masked character
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$.each(mask.split(""), function(i, c) {
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locked[i] = ($.mask.definitions[c] == null);
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buffer[i] = locked[i] ? c : settings.placeholder;
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if (!locked[i] && firstNonMaskPos == null)
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firstNonMaskPos = i;
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});
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input.data("buffer", buffer).data("locked", locked);
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function focusEvent() {
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var pos = checkVal();
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writeBuffer();
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setTimeout(function() {
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input.caret(pos);
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}, 0);
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};
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function keydownEvent(e) {
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var pos = $(this).caret();
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var k = e.keyCode;
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ignore = (k < 16 || (k > 16 && k < 32) || (k > 32 && k < 41));
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//delete selection before proceeding
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if ((pos.begin - pos.end) != 0 && (!ignore || k == 8 || k == 46)) {
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clearBuffer(pos.begin, pos.end);
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}
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//backspace and delete get special treatment
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if (k == 8) {//backspace
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while (pos.begin-- >= 0) {
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if (!locked[pos.begin]) {
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buffer[pos.begin] = settings.placeholder;
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writeBuffer();
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$(this).caret(Math.max(firstNonMaskPos, pos.begin));
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return false;
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}
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}
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} else if (k == 46) {//delete
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clearBuffer(pos.begin, pos.begin + 1);
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writeBuffer();
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$(this).caret(Math.max(firstNonMaskPos, pos.begin));
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return false;
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} else if (k == 27) {//escape
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clearBuffer(0, mask.length);
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writeBuffer();
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$(this).caret(firstNonMaskPos);
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return false;
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}
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};
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function keypressEvent(e) {
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if (ignore) {
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ignore = false;
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//Fixes Mac FF bug on backspace
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return (e.keyCode == 8) ? false : null;
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}
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e = e || window.event;
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var k = e.charCode || e.keyCode || e.which;
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var pos = $(this).caret();
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if (e.ctrlKey || e.altKey) {//Ignore
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return true;
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} else if ((k >= 41 && k <= 122) || k == 32 || k > 186) {//typeable characters
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var p = seekNext(pos.begin - 1);
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if (p < mask.length) {
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var c = String.fromCharCode(k);
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if (new RegExp($.mask.definitions[mask.charAt(p)]).test(c)) {
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buffer[p] = c;
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writeBuffer();
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var next = seekNext(p);
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$(this).caret(next);
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if (settings.completed && next == mask.length)
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settings.completed.call(input);
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}
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}
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}
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return false;
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};
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function clearBuffer(start, end) {
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for (var i = start; i < end && i < mask.length; i++) {
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if (!locked[i])
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buffer[i] = settings.placeholder;
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}
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};
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function writeBuffer() { return input.val(buffer.join('')).val(); };
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function checkVal() {
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//try to place characters where they belong
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var test = input.val();
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var pos = firstNonMaskPos;
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for (var i = 0; i < mask.length; i++) {
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if (!locked[i]) {
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buffer[i] = settings.placeholder;
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while (pos++ < test.length) {
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var reChar = new RegExp($.mask.definitions[mask.charAt(i)]);
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if (test.charAt(pos - 1).match(reChar)) {
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buffer[i] = test.charAt(pos - 1);
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break;
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}
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}
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if (pos > test.length)
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break;
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}
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}
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valid = writeBuffer().match(re);
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if (!valid && !settings.allowPartial) {
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input.val("");
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clearBuffer(0, mask.length);
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}
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return valid ? mask.length : (settings.allowPartial ? i : firstNonMaskPos);
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};
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function seekNext(pos) {
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while (++pos < mask.length) {
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if (!locked[pos])
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return pos;
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}
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return mask.length;
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};
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input
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.one("unmask", function() {
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input
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.unbind(".mask")
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.removeData("buffer")
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.removeData("locked");
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})
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.bind("focus.mask", focusEvent)
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.bind("blur.mask", checkVal)
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.bind("keydown.mask", keydownEvent)
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.bind("keypress.mask", keypressEvent)
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.bind(pasteEventName, function() { setTimeout(checkVal, 0); });
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checkVal(); //Perform initial check for existing values
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});
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}
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});
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})(jQuery); |