https://cre.ru/assets_static/js/jquery.maskedinput-1.3.js

1/*
2	Masked Input plugin for jQuery
3	Copyright (c) 2007-2011 Josh Bush (digitalbush.com)
4	Licensed under the MIT license (http://digitalbush.com/projects/masked-input-plugin/#license) 
5	Version: 1.3
6*/
7(function($) {
8	var pasteEventName = ($.browser.msie ? 'paste' : 'input') + ".mask";
9	var iPhone = (window.orientation != undefined);
10
11	$.mask = {
12		//Predefined character definitions
13		definitions: {
14			'9': "[0-9]",
15			'a': "[A-Za-z]",
16			'*': "[A-Za-z0-9]"
17		},
18		dataName:"rawMaskFn"
19	};
20
21	$.fn.extend({
22		//Helper Function for Caret positioning
23		caret: function(begin, end) {
24			if (this.length == 0) return;
25			if (typeof begin == 'number') {
26				end = (typeof end == 'number') ? end : begin;
27				return this.each(function() {
28					if (this.setSelectionRange) {
29						this.setSelectionRange(begin, end);
30					} else if (this.createTextRange) {
31						var range = this.createTextRange();
32						range.collapse(true);
33						range.moveEnd('character', end);
34						range.moveStart('character', begin);
35						range.select();
36					}
37				});
38			} else {
39				if (this[0].setSelectionRange) {
40					begin = this[0].selectionStart;
41					end = this[0].selectionEnd;
42				} else if (document.selection && document.selection.createRange) {
43					var range = document.selection.createRange();
44					begin = 0 - range.duplicate().moveStart('character', -100000);
45					end = begin + range.text.length;
46				}
47				return { begin: begin, end: end };
48			}
49		},
50		unmask: function() { return this.trigger("unmask"); },
51		mask: function(mask, settings) {
52			if (!mask && this.length > 0) {
53				var input = $(this[0]);
54				return input.data($.mask.dataName)();
55			}
56			settings = $.extend({
57				placeholder: "_",
58				completed: null
59			}, settings);
60
61			var defs = $.mask.definitions;
62			var tests = [];
63			var partialPosition = mask.length;
64			var firstNonMaskPos = null;
65			var len = mask.length;
66
67			$.each(mask.split(""), function(i, c) {
68				if (c == '?') {
69					len--;
70					partialPosition = i;
71				} else if (defs[c]) {
72					tests.push(new RegExp(defs[c]));
73					if(firstNonMaskPos==null)
74						firstNonMaskPos =  tests.length - 1;
75				} else {
76					tests.push(null);
77				}
78			});
79
80			return this.trigger("unmask").each(function() {
81				var input = $(this);
82				var buffer = $.map(mask.split(""), function(c, i) { if (c != '?') return defs[c] ? settings.placeholder : c });
83				var focusText = input.val();
84
85				function seekNext(pos) {
86					while (++pos <= len && !tests[pos]);
87					return pos;
88				};
89				function seekPrev(pos) {
90					while (--pos >= 0 && !tests[pos]);
91					return pos;
92				};
93
94				function shiftL(begin,end) {
95					if(begin<0)
96					   return;
97					for (var i = begin,j = seekNext(end); i < len; i++) {
98						if (tests[i]) {
99							if (j < len && tests[i].test(buffer[j])) {
100								buffer[i] = buffer[j];
101								buffer[j] = settings.placeholder;
102							} else
103								break;
104							j = seekNext(j);
105						}
106					}
107					writeBuffer();
108					input.caret(Math.max(firstNonMaskPos, begin));
109				};
110
111				function shiftR(pos) {
112					for (var i = pos, c = settings.placeholder; i < len; i++) {
113						if (tests[i]) {
114							var j = seekNext(i);
115							var t = buffer[i];
116							buffer[i] = c;
117							if (j < len && tests[j].test(t))
118								c = t;
119							else
120								break;
121						}
122					}
123				};
124
125				function keydownEvent(e) {
126					var k=e.which;
127
128					//backspace, delete, and escape get special treatment
129					if(k == 8 || k == 46 || (iPhone && k == 127)){
130						var pos = input.caret(),
131							begin = pos.begin,
132							end = pos.end;
133						
134						if(end-begin==0){
135							begin=k!=46?seekPrev(begin):(end=seekNext(begin-1));
136							end=k==46?seekNext(end):end;
137						}
138						clearBuffer(begin, end);
139						shiftL(begin,end-1);
140
141						return false;
142					} else if (k == 27) {//escape
143						input.val(focusText);
144						input.caret(0, checkVal());
145						return false;
146					}
147				};
148
149				function keypressEvent(e) {
150					var k = e.which,
151						pos = input.caret();
152					if (e.ctrlKey || e.altKey || e.metaKey || k<32) {//Ignore
153						return true;
154					} else if (k) {
155						if(pos.end-pos.begin!=0){
156							clearBuffer(pos.begin, pos.end);
157							shiftL(pos.begin, pos.end-1);
158						}
159
160						var p = seekNext(pos.begin - 1);
161						if (p < len) {
162							var c = String.fromCharCode(k);
163							if (tests[p].test(c)) {
164								shiftR(p);
165								buffer[p] = c;
166								writeBuffer();
167								var next = seekNext(p);
168								input.caret(next);
169								if (settings.completed && next >= len)
170									settings.completed.call(input);
171							}
172						}
173						return false;

174					}
175				};
176
177				function clearBuffer(start, end) {
178					for (var i = start; i < end && i < len; i++) {
179						if (tests[i])
180							buffer[i] = settings.placeholder;
181					}
182				};
183
184				function writeBuffer() { return input.val(buffer.join('')).val(); };
185
186				function checkVal(allow) {
187					//try to place characters where they belong
188					var test = input.val();
189					var lastMatch = -1;
190					for (var i = 0, pos = 0; i < len; i++) {
191						if (tests[i]) {
192							buffer[i] = settings.placeholder;
193							while (pos++ < test.length) {
194								var c = test.charAt(pos - 1);
195								if (tests[i].test(c)) {
196									buffer[i] = c;
197									lastMatch = i;
198									break;
199								}
200							}
201							if (pos > test.length)
202								break;
203						} else if (buffer[i] == test.charAt(pos) && i!=partialPosition) {
204							pos++;
205							lastMatch = i;
206						}
207					}
208					if (!allow && lastMatch + 1 < partialPosition) {
209						input.val("");
210						clearBuffer(0, len);
211					} else if (allow || lastMatch + 1 >= partialPosition) {
212						writeBuffer();
213						if (!allow) input.val(input.val().substring(0, lastMatch + 1));
214					}
215					return (partialPosition ? i : firstNonMaskPos);
216				};
217
218				input.data($.mask.dataName,function(){
219					return $.map(buffer, function(c, i) {
220						return tests[i]&&c!=settings.placeholder ? c : null;
221					}).join('');
222				})
223
224				if (!input.attr("readonly"))
225					input
226					.one("unmask", function() {
227						input
228							.unbind(".mask")
229							.removeData($.mask.dataName);
230					})
231					.bind("focus.mask", function() {
232						focusText = input.val();
233						var pos = checkVal();
234						writeBuffer();
235						var moveCaret=function(){
236							if (pos == mask.length)
237								input.caret(0, pos);
238							else
239								input.caret(pos);
240						};
241						($.browser.msie ? moveCaret:function(){setTimeout(moveCaret,0)})();
242					})
243					.bind("blur.mask", function() {
244						checkVal();
245						if (input.val() != focusText)
246							input.change();
247					})
248					.bind("keydown.mask", keydownEvent)
249					.bind("keypress.mask", keypressEvent)
250					.bind(pasteEventName, function() {
251						setTimeout(function() { input.caret(checkVal(true)); }, 0);
252					});
253
254				checkVal(); //Perform initial check for existing values
255			});
256		}
257	});
258})(jQuery);