combodate ready
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vitalets
398
src/inputs/combodate/lib/combodate.js
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398
src/inputs/combodate/lib/combodate.js
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/**
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* Combodate - 1.0.0
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* Dropdown date and time picker.
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* Converts text input into dropdowns to pick day, month, year, hour, minute and second.
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* Uses momentjs as datetime library http://momentjs.com.
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* For i18n include corresponding file from https://github.com/timrwood/moment/tree/master/lang
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*
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* Author: Vitaliy Potapov
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* Project page: http://github.com/vitalets/combodate
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* Copyright (c) 2012 Vitaliy Potapov. Released under MIT License.
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**/
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(function ($) {
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var Combodate = function (element, options) {
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this.$element = $(element);
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if(!this.$element.is('input')) {
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$.error('Combodate should be applied to INPUT element');
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return;
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}
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this.options = $.extend({}, $.fn.combodate.defaults, options, this.$element.data());
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this.init();
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};
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Combodate.prototype = {
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constructor: Combodate,
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init: function () {
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this.map = {
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//key regexp moment.method
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day: ['D', 'date'],
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month: ['M', 'month'],
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year: ['Y', 'year'],
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hour: ['[Hh]', 'hours'],
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minute: ['m', 'minutes'],
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second: ['s', 'seconds'],
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ampm: ['[Aa]', '']
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};
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this.$widget = $('<span class="combodate"></span>').html(this.getTemplate());
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this.initCombos();
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//update original input on change
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this.$widget.on('change', 'select', $.proxy(function(){
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this.$element.val(this.getValue());
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}, this));
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this.$widget.find('select').css('width', 'auto');
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//hide original input and insert widget
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this.$element.hide().after(this.$widget);
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//set initial value
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this.setValue(this.$element.val() || this.options.value);
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},
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/*
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Replace tokens in template with <select> elements
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*/
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getTemplate: function() {
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var tpl = this.options.template;
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//first pass
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$.each(this.map, function(k, v) {
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var v = v[0],
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r = new RegExp(v+'+'),
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token = v.length > 1 ? v.substring(1, 2) : v;
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tpl = tpl.replace(r, '{'+token+'}');
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});
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//replace spaces with
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tpl = tpl.replace(/ /g, ' ');
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//second pass
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$.each(this.map, function(k, v) {
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var v = v[0],
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token = v.length > 1 ? v.substring(1, 2) : v;
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tpl = tpl.replace('{'+token+'}', '<select class="'+k+'"></select>');
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});
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return tpl;
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},
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/*
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Initialize combos that presents in template
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*/
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initCombos: function() {
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var that = this;
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$.each(this.map, function(k, v) {
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var $c = that.$widget.find('.'+k), f, items;
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if($c.length) {
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that['$'+k] = $c; //set properties like this.$day, this.$month etc.
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f = 'fill' + k.charAt(0).toUpperCase() + k.slice(1); //define method name to fill items, e.g `fillDays`
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items = that[f]();
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that['$'+k].html(that.renderItems(items));
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}
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});
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},
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/*
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Initialize items of combos. Handles `firstItem` option
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*/
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initItems: function(key) {
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var values = [];
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if(this.options.firstItem === 'name') {
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var header = typeof moment.relativeTime[key] === 'function' ? moment.relativeTime[key](1, true, key, false) : moment.relativeTime[key];
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//take last entry (see momentjs lang files structure)
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header = header.split(' ').reverse()[0];
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values.push(['', header]);
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} else if(this.options.firstItem === 'empty') {
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values.push(['', '']);
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}
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return values;
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},
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/*
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render items to string of <option> tags
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*/
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renderItems: function(items) {
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var str = [];
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for(var i=0; i<items.length; i++) {
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str.push('<option value="'+items[i][0]+'">'+items[i][1]+'</option>');
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}
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return str.join("\n");
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},
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/*
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fill day
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*/
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fillDay: function() {
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var items = this.initItems('d'), name, i,
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twoDigit = this.options.template.indexOf('DD') !== -1;
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for(i=1; i<=31; i++) {
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name = twoDigit ? this.leadZero(i) : i;
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items.push([i, name]);
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}
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return items;
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},
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/*
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fill month
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*/
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fillMonth: function() {
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var items = this.initItems('M'), name, i,
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longNames = this.options.template.indexOf('MMMM') !== -1,
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shortNames = this.options.template.indexOf('MMM') !== -1,
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twoDigit = this.options.template.indexOf('MM') !== -1;
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for(i=0; i<=11; i++) {
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if(longNames) {
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name = moment.months[i];
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} else if(shortNames) {
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name = moment.monthsShort[i];
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} else if(twoDigit) {
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name = this.leadZero(i+1);
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} else {
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name = i+1;
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}
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items.push([i, name]);
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}
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return items;
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},
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/*
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fill year
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*/
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fillYear: function() {
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var items = this.initItems('y'), name, i,
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longNames = this.options.template.indexOf('YYYY') !== -1;
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for(i=this.options.maxYear; i>=this.options.minYear; i--) {
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name = longNames ? i : (i+'').substring(2);
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items.push([i, name]);
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}
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return items;
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},
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/*
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fill hour
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*/
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fillHour: function() {
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var items = this.initItems('h'), name, i,
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h12 = this.options.template.indexOf('h') !== -1,
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h24 = this.options.template.indexOf('H') !== -1,
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twoDigit = this.options.template.toLowerCase().indexOf('hh') !== -1,
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max = h12 ? 12 : 23;
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for(i=0; i<=max; i++) {
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name = twoDigit ? this.leadZero(i) : i;
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items.push([i, name]);
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}
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return items;
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},
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/*
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fill minute
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*/
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fillMinute: function() {
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var items = this.initItems('m'), name, i,
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twoDigit = this.options.template.indexOf('mm') !== -1;
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for(i=0; i<=59; i+= this.options.minuteStep) {
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name = twoDigit ? this.leadZero(i) : i;
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items.push([i, name]);
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}
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return items;
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},
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/*
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fill second
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*/
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fillSecond: function() {
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var items = this.initItems('s'), name, i,
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twoDigit = this.options.template.indexOf('ss') !== -1;
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for(i=0; i<=59; i+= this.options.secondStep) {
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name = twoDigit ? this.leadZero(i) : i;
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items.push([i, name]);
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}
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return items;
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},
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/*
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fill ampm
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*/
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fillAmpm: function() {
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var ampmL = this.options.template.indexOf('a') !== -1,
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ampmU = this.options.template.indexOf('A') !== -1,
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items = [
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['am', ampmL ? 'am' : 'AM'],
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['pm', ampmL ? 'pm' : 'PM']
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];
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return items;
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},
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/*
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Returns current date value.
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If format not specified - `options.format` used.
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If format = `null` - Moment object returned.
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*/
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getValue: function(format) {
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var dt, values = {},
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that = this,
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notSelected = false;
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//getting selected values
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$.each(this.map, function(k, v) {
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if(k === 'ampm') {
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return;
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}
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var def = k === 'day' ? 1 : 0;
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values[k] = that['$'+k] ? parseInt(that['$'+k].val(), 10) : def;
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if(isNaN(values[k])) {
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notSelected = true;
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return false;
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}
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});
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//if at least one visible combo not selected - return empty string
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if(notSelected) {
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return '';
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}
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//convert hours if 12h format
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if(this.$ampm) {
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values.hour = this.$ampm.val() === 'am' ? values.hour : values.hour+12;
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if(values.hour === 24) {
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values.hour = 0;
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}
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}
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dt = moment([values.year, values.month, values.day, values.hour, values.minute, values.second]);
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//highlight invalid date
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this.highlight(dt);
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format = format === undefined ? this.options.format : format;
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if(format === null) {
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return dt.isValid() ? dt : null;
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} else {
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return dt.isValid() ? dt.format(format) : '';
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}
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},
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setValue: function(value) {
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if(!value) {
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return;
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}
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var dt = typeof value === 'string' ? moment(value, this.options.format) : moment(value),
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that = this,
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values = {};
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if(dt.isValid()) {
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//read values from date object
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$.each(this.map, function(k, v) {
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if(k === 'ampm') {
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return;
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}
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values[k] = dt[v[1]]();
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});
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if(this.$ampm) {
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if(values.hour > 12) {
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values.hour -= 12;
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values.ampm = 'pm';
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} else {
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values.ampm = 'am';
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}
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}
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$.each(values, function(k, v) {
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if(that['$'+k]) {
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that['$'+k].val(v);
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}
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});
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this.$element.val(dt.format(this.options.format));
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}
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},
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/*
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highlight combos if date is invalid
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*/
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highlight: function(dt) {
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if(!dt.isValid()) {
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if(this.options.errorClass) {
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this.$widget.addClass(this.options.errorClass);
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} else {
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//store original border color
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if(!this.borderColor) {
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this.borderColor = this.$widget.find('select').css('border-color');
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}
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this.$widget.find('select').css('border-color', 'red');
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}
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} else {
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if(this.options.errorClass) {
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this.$widget.removeClass(this.options.errorClass);
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} else {
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this.$widget.find('select').css('border-color', this.borderColor);
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}
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}
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},
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leadZero: function(v) {
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return v <= 9 ? '0' + v : v;
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},
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destroy: function() {
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this.$widget.remove();
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this.$element.removeData('combodate').show();
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}
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//todo: clear method
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};
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$.fn.combodate = function ( option ) {
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var d, args = Array.apply(null, arguments);
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args.shift();
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//getValue returns date as string / object (not jQuery object)
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if(option === 'getValue' && this.length && (d = this.eq(0).data('combodate'))) {
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return d.getValue.apply(d, args);
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}
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return this.each(function () {
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var $this = $(this),
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data = $this.data('combodate'),
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options = typeof option == 'object' && option;
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if (!data) {
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$this.data('combodate', (data = new Combodate(this, options)));
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}
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if (typeof option == 'string' && typeof data[option] == 'function') {
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data[option].apply(data, args);
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}
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});
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};
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$.fn.combodate.defaults = {
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//in this format value stored in original input
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format: 'DD-MM-YYYY HH:mm',
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//in this format items in dropdowns are displayed
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template: 'D / MMM / YYYY H : mm',
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//initial value, can be `new Date()`
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value: null,
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minYear: 1970,
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maxYear: 2015,
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minuteStep: 5,
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secondStep: 1,
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firstItem: 'empty', //'name', 'empty', 'none'
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errorClass: null
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};
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}(window.jQuery));
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