/// <reference path="../../../lib/jquery-1.2.6.js" />
/*
* Copyright (c) 2007-2008 Josh Bush (digitalbush.com)
* 
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE. 
*/

/*
* Version: 1.2.1
* Release: 2008-12-21
*/
(function ($) {
    var pasteEventName = "";
    try {
        pasteEventName = ($.browser.msie ? 'paste' : 'input') + ".mask";
    }
    catch (e) {
        pasteEventName = "input.mask";
    }
    var iPhone = (window.orientation != undefined);

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

    $.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 {
                    tests.push(defs[c] ? new RegExp(defs[c]) : null);
                    if (tests[tests.length - 1] && firstNonMaskPos == null)
                        firstNonMaskPos = tests.length - 1;
                }
            });

            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) {
                        if (tests[pos])
                            return pos;
                    }
                    return len;
                };

                function shiftL(pos) {
                    while (!tests[pos] && pos >= 0) pos--;
                    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));
                    //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
                        if (!document.all)
                            shiftL(pos.begin + (k == 46 ? 0 : -1));
                        //return false;
                    } else if (k == 27) {//escape
                        clearBuffer(0, len);
                        writeBuffer();
                        $(this).caret(firstNonMaskPos);
                        return false;
                    }
                };


                function blurEvent(e) {

                    var elemento = whichElement(e);
                    var formato = "dd/mm/yyyy";
                    if (!isValideDate(elemento.value) && elemento.value.length > 0) {
                        //window.alert(elemento.value);
                        //Anulo el evento
                        if (!document.all)
                            e.preventDefault();
                        else
                            e.returnValue = false;
                        var d = new Date();
                        elemento.value = String(d.getDate()).padL(2, "0") + "/" + String(d.getMonth() + 1).padL(2, "0") + "/" + d.getFullYear();
                    }
                    else {
                        var sSeparator = "/";
                        var aDate = String(elemento.value).split(sSeparator);
                        d = new Date(aDate[1] + sSeparator + aDate[0] + sSeparator + aDate[2]);
                        if (elemento.id == "datei") {
                            $('#widgetCalendar').DatePickerSetDate(d, true);
                            d.setDate(d.getDate() + 1);
                            var m = d.getMonth();
                            m = (m < 9) ? ("0" + (1 + m)) : (1 + m);
                            var i = d.getDate();
                            i = (i < 10) ? ("0" + i) : i;
                            var y = d.getFullYear();
                            document.getElementById("datef").value = i + "/" + m + "/" + y;
                            $('#widgetCalendart').DatePickerSetDate(d, true);
                        }
                        else {
                            $('#widgetCalendart').DatePickerSetDate(d, true);
                            d.setDate(d.getDate() + 1);
                        }

                        try {
                            canviT();
                        }
                        catch (e) {
                        }
                    }
                };

                function keypressEvent(e) {
                    if (e.keyCode == 8) {
                        ignore = false;
                    }
                    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) {//Ignore
                        return true;
                    } else if ((k >= 41 && k <= 122 && k != 46) || k == 32 || 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);
                            }
                        }
                    }
                    else if (k == 8 || k == 46) {
                        var p = seekNext(pos.begin - 1);
                        if (p < len) {
                            var c = '_';
                            shiftR(p);
                            buffer[p] = c;
                            writeBuffer();
                            var pi = p;
                            if (k == 8)
                                pi = p - 1;
                            var next = seekNext(pi);
                            $(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;
                        }
                    }
                    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);
                };

                input
					.one("unmask", function () {
					    input
							.unbind(".mask")
							.removeData("buffer")
							.removeData("tests");
					})
					.bind("focus.mask", function () {
					    focusText = input.val();
					    var pos = checkVal();
					    writeBuffer();
					    setTimeout(function () {
					        input.caret(pos);
					    }, 0);
					})
					.bind("blur.mask", function () {
					    checkVal();
					    if (input.val() != focusText)
					        input.change();
					})

					.bind("blur", blurEvent)
					.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);