/*
	Masked Input plugin for jQuery
	Copyright (c) 2007-2009 Josh Bush (digitalbush.com)
	Licensed under the MIT license (http://digitalbush.com/projects/masked-input-plugin/#license) 
	Version: 1.2.2 (03/09/2009 22:39:06)
*/
/*
(function(a){var c=(a.browser.msie?"paste":"input")+".mask";var b=(window.orientation!=undefined);a.mask={definitions:{"9":"[0-9]",a:"[A-Za-z]","*":"[A-Za-z0-9]"}};a.fn.extend({caret:function(e,f){if(this.length==0){return}if(typeof e=="number"){f=(typeof f=="number")?f:e;return this.each(function(){if(this.setSelectionRange){this.focus();this.setSelectionRange(e,f)}else{if(this.createTextRange){var g=this.createTextRange();g.collapse(true);g.moveEnd("character",f);g.moveStart("character",e);g.select()}}})}else{if(this[0].setSelectionRange){e=this[0].selectionStart;f=this[0].selectionEnd}else{if(document.selection&&document.selection.createRange){var d=document.selection.createRange();e=0-d.duplicate().moveStart("character",-100000);f=e+d.text.length}}return{begin:e,end:f}}},unmask:function(){return this.trigger("unmask")},mask:function(j,d){if(!j&&this.length>0){var f=a(this[0]);var g=f.data("tests");return a.map(f.data("buffer"),function(l,m){return g[m]?l:null}).join("")}d=a.extend({placeholder:"_",completed:null},d);var k=a.mask.definitions;var g=[];var e=j.length;var i=null;var h=j.length;a.each(j.split(""),function(m,l){if(l=="?"){h--;e=m}else{if(k[l]){g.push(new RegExp(k[l]));if(i==null){i=g.length-1}}else{g.push(null)}}});return this.each(function(){var r=a(this);var m=a.map(j.split(""),function(x,y){if(x!="?"){return k[x]?d.placeholder:x}});var n=false;var q=r.val();r.data("buffer",m).data("tests",g);function v(x){while(++x<=h&&!g[x]){}return x}function t(x){while(!g[x]&&--x>=0){}for(var y=x;y<h;y++){if(g[y]){m[y]=d.placeholder;var z=v(y);if(z<h&&g[y].test(m[z])){m[y]=m[z]}else{break}}}s();r.caret(Math.max(i,x))}function u(y){for(var A=y,z=d.placeholder;A<h;A++){if(g[A]){var B=v(A);var x=m[A];m[A]=z;if(B<h&&g[B].test(x)){z=x}else{break}}}}function l(y){var x=a(this).caret();var z=y.keyCode;n=(z<16||(z>16&&z<32)||(z>32&&z<41));if((x.begin-x.end)!=0&&(!n||z==8||z==46)){w(x.begin,x.end)}if(z==8||z==46||(b&&z==127)){t(x.begin+(z==46?0:-1));return false}else{if(z==27){r.val(q);r.caret(0,p());return false}}}function o(B){if(n){n=false;return(B.keyCode==8)?false:null}B=B||window.event;var C=B.charCode||B.keyCode||B.which;var z=a(this).caret();if(B.ctrlKey||B.altKey||B.metaKey){return true}else{if((C>=32&&C<=125)||C>186){var x=v(z.begin-1);if(x<h){var A=String.fromCharCode(C);if(g[x].test(A)){u(x);m[x]=A;s();var y=v(x);a(this).caret(y);if(d.completed&&y==h){d.completed.call(r)}}}}}return false}function w(x,y){for(var z=x;z<y&&z<h;z++){if(g[z]){m[z]=d.placeholder}}}function s(){return r.val(m.join("")).val()}function p(y){var z=r.val();var C=-1;for(var B=0,x=0;B<h;B++){if(g[B]){m[B]=d.placeholder;while(x++<z.length){var A=z.charAt(x-1);if(g[B].test(A)){m[B]=A;C=B;break}}if(x>z.length){break}}else{if(m[B]==z[x]&&B!=e){x++;C=B}}}if(!y&&C+1<e){r.val("");w(0,h)}else{if(y||C+1>=e){s();if(!y){r.val(r.val().substring(0,C+1))}}}return(e?B:i)}if(!r.attr("readonly")){r.one("unmask",function(){r.unbind(".mask").removeData("buffer").removeData("tests")}).bind("focus.mask",function(){q=r.val();var x=p();s();setTimeout(function(){if(x==j.length){r.caret(0,x)}else{r.caret(x)}},0)}).bind("blur.mask",function(){p();if(r.val()!=q){r.change()}}).bind("keydown.mask",l).bind("keypress.mask",o).bind(c,function(){setTimeout(function(){r.caret(p(true))},0)})}p()})}})})(jQuery);
*/
/// <reference path="../../../lib/jquery-1.2.6.js" />
/*
	Masked Input plugin for jQuery
	Copyright (c) 2007-2009 Josh Bush (digitalbush.com)
	Licensed under the MIT license (http://digitalbush.com/projects/masked-input-plugin/#license)
	Version: 1.2.2 (03/09/2009 22:39:06)
*/
(function($) {
	var pasteEventName = ($.browser.msie ? 'paste' : 'input') + ".mask";
	var iPhone = (window.orientation != undefined);

	$.mask = {
		//Predefined character definitions
		definitions: {
			'9': "[0-9]",
			'a': "[A-Za-z]",
			'*': "[A-Za-z0-9]"
		}
	};

	$.fn.extend({
		//Helper Function for Caret positioning
		caret: function(begin, end) {
			if (this.length == 0) return;
			if (typeof begin == 'number') {
				end = (typeof end == 'number') ? end : begin;
				return this.each(function() {
					if (this.setSelectionRange) {
						this.focus();
						this.setSelectionRange(begin, end);
					} else if (this.createTextRange) {
						var range = this.createTextRange();
						range.collapse(true);
						range.moveEnd('character', end);
						range.moveStart('character', begin);
						range.select();
					}
				});
			} else {
				if (this[0].setSelectionRange) {
					begin = this[0].selectionStart;
					end = this[0].selectionEnd;
				} else if (document.selection && document.selection.createRange) {
					var range = document.selection.createRange();
					begin = 0 - range.duplicate().moveStart('character', -100000);
					end = begin + range.text.length;
				}
				return { begin: begin, end: end };
			}
		},
		unmask: function() { return this.trigger("unmask"); },
		mask: function(mask, settings) {
			if (!mask && this.length > 0) {
				var input = $(this[0]);
				var tests = input.data("tests");
				return $.map(input.data("buffer"), function(c, i) {
					return tests[i] ? c : null;
				}).join('');
			}
			settings = $.extend({
				placeholder: "_",
				completed: null
			}, settings);

			var defs = $.mask.definitions;
			var tests = [];
			var partialPosition = mask.length;
			var firstNonMaskPos = null;
			var len = mask.length;

			$.each(mask.split(""), function(i, c) {
				if (c == '?') {
					len--;
					partialPosition = i;
				} else if (defs[c]) {
					tests.push(new RegExp(defs[c]));
					if(firstNonMaskPos==null)
						firstNonMaskPos =  tests.length - 1;
				} else {
					tests.push(null);
				}
			});

			return this.each(function() {
				var input = $(this);
				var buffer = $.map(mask.split(""), function(c, i) { if (c != '?') return defs[c] ? settings.placeholder : c });
				var ignore = false;  			//Variable for ignoring control keys
				var focusText = input.val();

				input.data("buffer", buffer).data("tests", tests);

				function seekNext(pos) {
					while (++pos <= len && !tests[pos]);
					return pos;
				};

				function shiftL(pos) {
					while (!tests[pos] && --pos >= 0);
					for (var i = pos; i < len; i++) {
						if (tests[i]) {
							buffer[i] = settings.placeholder;
							var j = seekNext(i);
							if (j < len && tests[i].test(buffer[j])) {
								buffer[i] = buffer[j];
							} else
								break;
						}
					}
					writeBuffer();
					input.caret(Math.max(firstNonMaskPos, pos));
				};

				function shiftR(pos) {
					for (var i = pos, c = settings.placeholder; i < len; i++) {
						if (tests[i]) {
							var j = seekNext(i);
							var t = buffer[i];
							buffer[i] = c;
							if (j < len && tests[j].test(t))
								c = t;
							else
								break;
						}
					}
				};

				function keydownEvent(e) {
					var pos = $(this).caret();
					var k = e.keyCode;
					ignore = (k < 16 || (k > 16 && k < 32) || (k > 32 && k < 41) || (k >= 112 && k <= 123));

					//delete selection before proceeding
					if ((pos.begin - pos.end) != 0 && (!ignore || k == 8 || k == 46))
						clearBuffer(pos.begin, pos.end);

					//backspace, delete, and escape get special treatment
					if (k == 8 || k == 46 || (iPhone && k == 127)) {//backspace/delete
						shiftL(pos.begin + (k == 46 ? 0 : -1));
						return false;
					} else if (k == 27) {//escape
						input.val(focusText);
						input.caret(0, checkVal());
						return false;
					}
				};

				function keypressEvent(e) {
					if (ignore) {
						ignore = false;
						//Fixes Mac FF bug on backspace
						return (e.keyCode == 8) ? false : null;
					}
					e = e || window.event;
					var k = e.charCode || e.keyCode || e.which;
					var pos = $(this).caret();

					if (e.ctrlKey || e.altKey || e.metaKey) {//Ignore
						return true;
					} else if ((k >= 32 && k <= 125) || k > 186) {//typeable characters
						var p = seekNext(pos.begin - 1);
						if (p < len) {
							var c = String.fromCharCode(k);
							if (tests[p].test(c)) {
								shiftR(p);
								buffer[p] = c;
								writeBuffer();
								var next = seekNext(p);
								$(this).caret(next);
								if (settings.completed && next == len)
									settings.completed.call(input);
							}
						}
					}
					return false;
				};

				function clearBuffer(start, end) {
					for (var i = start; i < end && i < len; i++) {
						if (tests[i])
							buffer[i] = settings.placeholder;
					}
				};

				function writeBuffer() { return input.val(buffer.join('')).val(); };

				function checkVal(allow) {
					//try to place characters where they belong
					var test = input.val();
					var lastMatch = -1;
					for (var i = 0, pos = 0; i < len; i++) {
						if (tests[i]) {
							buffer[i] = settings.placeholder;
							while (pos++ < test.length) {
								var c = test.charAt(pos - 1);
								if (tests[i].test(c)) {
									buffer[i] = c;
									lastMatch = i;
									break;
								}
							}
							if (pos > test.length)
								break;
						} else if (buffer[i] == test[pos] && i!=partialPosition) {
							pos++;
							lastMatch = i;
						}
					}
					if (!allow && lastMatch + 1 < partialPosition) {
						input.val("");
						clearBuffer(0, len);
					} else if (allow || lastMatch + 1 >= partialPosition) {
						writeBuffer();
						if (!allow) input.val(input.val().substring(0, lastMatch + 1));
					}
					return (partialPosition ? i : firstNonMaskPos);
				};

				if (!input.attr("readonly"))
					input
					.one("unmask", function() {
						input
							.unbind(".mask")
							.removeData("buffer")
							.removeData("tests");
					})
					.bind("focus.mask", function() {
						focusText = input.val();
						var pos = checkVal();
						writeBuffer();
						setTimeout(function() {
							if (pos == mask.length)
								input.caret(0, pos);
							else
								input.caret(pos);
						}, 0);
					})
					.bind("blur.mask", function() {
						checkVal();
						if (input.val() != focusText)
							input.change();
					})
					.bind("keydown.mask", keydownEvent)
					.bind("keypress.mask", keypressEvent)
					.bind(pasteEventName, function() {
						setTimeout(function() { input.caret(checkVal(true)); }, 0);
					});

				checkVal(); //Perform initial check for existing values
			});
		}
	});
})(jQuery);