1 | /*
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2 | Todo Otimizar caulculo de timezone
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3 | Objeto Date.toString() retorna a data com inserção do offset
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4 | Objeto Date.getTime() retorna a data sem inserção do offset
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5 | */
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6 | Timezone = {
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7 |
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8 | daylightSaving: parseInt( User.isDaylightSaving ),
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9 |
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10 | timezones: User.timezones,
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11 |
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12 | defaultTimezone: User.preferences.timezone,
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13 |
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14 | timezone: function( tzId ){
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15 |
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16 | return this.timezones[ tzId || this.defaultTimezone ];
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17 |
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18 | },
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19 |
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20 | compareTZID: function( fromTZID, toTZID ){
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21 |
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22 | return( this.timezones[ fromTZID ] === this.timezones[ toTZID ] );
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23 |
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24 | },
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25 |
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26 | checkTimezoneCalendar: function(idCalendar, tzId){
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27 |
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28 | return idCalendar && this.compareTZID( DataLayer.get('calendar', idCalendar).timezone, tzId );
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29 |
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30 | },
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31 |
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32 | setDateTimezone: function (date, tzId, idCalendar){
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33 |
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34 | if( !!!tzId || this.checkTimezoneCalendar(idCalendar, tzId) )
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35 | return date;
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36 |
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37 | var timezone = this.timezone( tzId );
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38 |
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39 | var timezoneOffset = parseInt(timezone.substr(2)) - this.daylightSaving * 100;
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40 |
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41 | var timeCurrent = parseInt((date.getTimezoneOffset()/60)+'00') * ( ( timezone.charAt(0) != date.getUTCOffset().charAt(0) )? 1 : -1 );
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42 |
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43 | var times = timezoneOffset + timeCurrent;
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44 |
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45 | if(times == 0)
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46 | return date;
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47 | else if(times > 0)
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48 | return date.setTimezoneOffset('-0'+(times));
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49 | else
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50 | return date.setTimezoneOffset('+0'+((times * -1)));
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51 | },
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52 |
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53 | getDateTimezone: function(date, tzId, recursive){
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54 |
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55 | var timezone = this.timezone( tzId );
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56 |
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57 | if(!timezone)
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58 | return date;
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59 |
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60 | var currentTimezone = parseInt((date.getTimezoneOffset()/60)+'00');
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61 |
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62 | var timezoneOffset = parseInt(timezone.substr(2)) - this.daylightSaving * 100;
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63 |
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64 | var times = timezoneOffset - currentTimezone;
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65 |
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66 | if(times == 0){
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67 | if((timezone.charAt(0) == date.getUTCOffset().charAt(0)) && recursive)
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68 | return date.setTimezoneOffset( timezone.charAt(0)+'0'+(currentTimezone));
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69 |
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70 | return date;
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71 | }else if (times > 0)
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72 | return date.setTimezoneOffset('+0'+(times));
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73 | else{
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74 | return date.setTimezoneOffset('-0'+((times * -1) + (currentTimezone * 2)));
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75 | }
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76 | },
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77 |
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78 | getDateUTC: function (date, tzId){
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79 |
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80 | var timezone = this.timezone( tzId ), currentTimezone = parseInt(timezone.substr(2)) - this.daylightSaving * 100;
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81 | return(date.setTimezoneOffset(timezone.charAt(0)+'0'+currentTimezone));
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82 | },
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83 |
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84 | createDateTimezone: function(date, tzId, idCalendar){
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85 | if(this.checkTimezoneCalendar(idCalendar, tzId))
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86 | return this.getDateTimezone(date, tzId, true);
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87 |
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88 | var times = 0, timezone = this.timezone( tzId );
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89 |
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90 | if(timezone.charAt(0) == '+')
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91 | times = parseInt(timezone.substr(2)) - parseInt((date.getTimezoneOffset()/60)+'00');
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92 | else
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93 | times = (parseInt(timezone.substr(2)) + parseInt((date.getTimezoneOffset()/60)+'00')) * (-1);
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94 | if(times == 0)
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95 | return date.setTimezoneOffset('0000');
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96 | else if (times > 0)
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97 | return date.setTimezoneOffset('+0'+times);
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98 | else
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99 | return date.setTimezoneOffset('-0'+(times * -1));
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100 | }
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101 |
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102 |
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103 |
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104 | } |
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