1 | define(["dojo/_base/lang", "dojo/_base/declare", "dojo/date"], function(lang, declare, dd){ |
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2 | |
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3 | var IDate = declare("dojox.date.persian.Date", null, { |
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4 | // summary: |
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5 | // The component defines the Persian (Hijri) Calendar Object |
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6 | // description: |
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7 | // This module is similar to the Date() object provided by JavaScript |
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8 | // example: |
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9 | // | var date = new dojox.date.persian.Date(); |
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10 | // | document.writeln(date.getFullYear()+'\'+date.getMonth()+'\'+date.getDate()); |
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11 | |
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12 | |
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13 | _date: 0, |
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14 | _month: 0, |
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15 | _year: 0, |
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16 | _hours: 0, |
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17 | _minutes: 0, |
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18 | _seconds: 0, |
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19 | _milliseconds: 0, |
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20 | _day: 0, |
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21 | _GREGORIAN_EPOCH : 1721425.5, |
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22 | _PERSIAN_EPOCH : 1948320.5, |
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23 | daysInMonth:[31,31,31,31,31,31,30,30,30,30,30,29 ], |
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24 | constructor: function(){ |
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25 | // summary: |
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26 | // This is the constructor |
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27 | // description: |
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28 | // This function initialize the date object values |
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29 | // example: |
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30 | // | var date1 = new dojox.date.persian.Date(); |
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31 | // | var date2 = new dojox.date.persian.Date("12\2\1429"); |
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32 | // | var date3 = new dojox.date.persian.Date(date2); |
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33 | // | var date4 = new dojox.date.persian.Date(1429,2,12); |
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34 | |
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35 | var len = arguments.length; |
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36 | if(!len){// use the current date value, added "" to the similarity to date |
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37 | this.fromGregorian(new Date()); |
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38 | }else if(len == 1){ |
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39 | var arg0 = arguments[0]; |
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40 | if(typeof arg0 == "number"){ // this is time "valueof" |
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41 | arg0 = new Date(arg0); |
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42 | } |
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43 | |
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44 | if(arg0 instanceof Date){ |
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45 | this.fromGregorian(arg0); |
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46 | }else if(arg0 == ""){ |
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47 | // date should be invalid. Dijit relies on this behavior. |
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48 | this._date = new Date(""); //TODO: should this be NaN? _date is not a Date object |
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49 | }else{ // this is Persian.Date object |
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50 | this._year = arg0._year; |
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51 | this._month = arg0._month; |
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52 | this._date = arg0._date; |
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53 | this._hours = arg0._hours; |
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54 | this._minutes = arg0._minutes; |
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55 | this._seconds = arg0._seconds; |
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56 | this._milliseconds = arg0._milliseconds; |
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57 | } |
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58 | }else if(len >=3){ |
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59 | // YYYY MM DD arguments passed, month is from 0-12 |
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60 | this._year += arguments[0]; |
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61 | this._month += arguments[1]; |
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62 | this._date += arguments[2]; |
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63 | this._hours += arguments[3] || 0; |
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64 | this._minutes += arguments[4] || 0; |
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65 | this._seconds += arguments[5] || 0; |
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66 | this._milliseconds += arguments[6] || 0; |
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67 | } |
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68 | }, |
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69 | |
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70 | getDate:function(){ |
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71 | // summary: |
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72 | // This function returns the date value (1 - 30) |
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73 | // example: |
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74 | // | var date1 = new dojox.date.persian.Date(); |
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75 | // | document.writeln(date1.getDate); |
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76 | return this._date; |
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77 | }, |
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78 | |
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79 | getMonth:function(){ |
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80 | // summary: |
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81 | // This function return the month value ( 0 - 11 ) |
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82 | // example: |
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83 | // | var date1 = new dojox.date.persian.Date(); |
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84 | // | document.writeln(date1.getMonth()+1); |
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85 | |
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86 | return this._month; |
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87 | }, |
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88 | |
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89 | getFullYear:function(){ |
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90 | // summary: |
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91 | // This function return the Year value |
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92 | // example: |
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93 | // | var date1 = new dojox.date.persian.Date(); |
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94 | // | document.writeln(date1.getFullYear()); |
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95 | |
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96 | return this._year; |
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97 | }, |
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98 | |
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99 | getDay:function(){ |
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100 | // summary: |
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101 | // This function return Week Day value ( 0 - 6 ) |
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102 | // example: |
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103 | // | var date1 = new dojox.date.persian.Date(); |
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104 | // | document.writeln(date1.getDay()); |
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105 | |
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106 | return this.toGregorian().getDay(); |
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107 | }, |
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108 | |
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109 | getHours:function(){ |
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110 | // summary: |
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111 | // returns the Hour value |
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112 | return this._hours; |
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113 | }, |
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114 | |
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115 | getMinutes:function(){ |
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116 | // summary: |
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117 | // returns the Minutes value |
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118 | return this._minutes; |
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119 | }, |
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120 | |
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121 | getSeconds:function(){ |
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122 | // summary: |
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123 | // returns the seconds value |
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124 | return this._seconds; |
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125 | }, |
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126 | |
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127 | getMilliseconds:function(){ |
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128 | // summary: |
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129 | // returns the Milliseconds value |
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130 | return this._milliseconds; |
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131 | }, |
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132 | |
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133 | setDate: function(/*number*/date){ |
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134 | // summary: |
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135 | // This function sets the Date |
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136 | // example: |
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137 | // | var date1 = new dojox.date.persian.Date(); |
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138 | // | date1.setDate(2); |
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139 | |
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140 | date = parseInt(date); |
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141 | |
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142 | if(date > 0 && date <= this.getDaysInPersianMonth(this._month, this._year)){ |
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143 | this._date = date; |
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144 | }else{ |
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145 | var mdays; |
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146 | if(date>0){ |
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147 | for(mdays = this.getDaysInPersianMonth(this._month, this._year); |
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148 | date > mdays; |
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149 | date -= mdays,mdays =this.getDaysInPersianMonth(this._month, this._year)){ |
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150 | this._month++; |
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151 | if(this._month >= 12){this._year++; this._month -= 12;} |
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152 | } |
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153 | |
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154 | this._date = date; |
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155 | }else{ |
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156 | for(mdays = this.getDaysInPersianMonth((this._month-1)>=0 ?(this._month-1) :11 ,((this._month-1)>=0)? this._year: this._year-1); |
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157 | date <= 0; |
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158 | mdays = this.getDaysInPersianMonth((this._month-1)>=0 ? (this._month-1) :11,((this._month-1)>=0)? this._year: this._year-1)){ |
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159 | this._month--; |
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160 | if(this._month < 0){this._year--; this._month += 12;} |
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161 | |
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162 | date+=mdays; |
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163 | } |
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164 | this._date = date; |
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165 | } |
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166 | } |
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167 | return this; |
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168 | }, |
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169 | |
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170 | setFullYear:function(/*number*/year){ |
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171 | // summary: |
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172 | // This function set Year |
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173 | // example: |
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174 | // | var date1 = new dojox.date.persian.Date(); |
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175 | // | date1.setYear(1429); |
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176 | |
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177 | this._year = +year; |
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178 | }, |
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179 | |
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180 | setMonth: function(/*number*/month) { |
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181 | // summary: |
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182 | // This function set Month |
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183 | // example: |
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184 | // | var date1 = new dojox.date.persian.Date(); |
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185 | // | date1.setMonth(2); |
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186 | |
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187 | this._year += Math.floor(month / 12); |
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188 | if(month > 0){ |
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189 | this._month = Math.floor(month % 12); |
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190 | }else{ |
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191 | this._month = Math.floor(((month % 12) + 12) % 12); |
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192 | } |
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193 | }, |
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194 | |
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195 | setHours:function(){ |
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196 | // summary: |
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197 | // set the Hours |
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198 | var hours_arg_no = arguments.length; |
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199 | var hours = 0; |
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200 | if(hours_arg_no >= 1){ |
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201 | hours = parseInt(arguments[0]); |
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202 | } |
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203 | |
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204 | if(hours_arg_no >= 2){ |
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205 | this._minutes = parseInt(arguments[1]); |
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206 | } |
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207 | |
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208 | if(hours_arg_no >= 3){ |
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209 | this._seconds = parseInt(arguments[2]); |
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210 | } |
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211 | |
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212 | if(hours_arg_no == 4){ |
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213 | this._milliseconds = parseInt(arguments[3]); |
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214 | } |
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215 | |
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216 | while(hours >= 24){ |
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217 | this._date++; |
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218 | var mdays = this.getDaysInPersianMonth(this._month, this._year); |
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219 | if(this._date > mdays){ |
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220 | this._month ++; |
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221 | if(this._month >= 12){this._year++; this._month -= 12;} |
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222 | this._date -= mdays; |
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223 | } |
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224 | hours -= 24; |
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225 | } |
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226 | this._hours = hours; |
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227 | }, |
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228 | |
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229 | _addMinutes: function(/*Number*/minutes){ |
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230 | minutes += this._minutes; |
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231 | this.setMinutes(minutes); |
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232 | this.setHours(this._hours + parseInt(minutes / 60)); |
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233 | return this; |
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234 | }, |
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235 | |
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236 | _addSeconds: function(/*Number*/seconds){ |
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237 | seconds += this._seconds; |
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238 | this.setSeconds(seconds); |
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239 | this._addMinutes(parseInt(seconds / 60)); |
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240 | return this; |
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241 | }, |
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242 | |
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243 | _addMilliseconds: function(/*Number*/milliseconds){ |
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244 | milliseconds += this._milliseconds; |
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245 | this.setMilliseconds(milliseconds); |
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246 | this._addSeconds(parseInt(milliseconds / 1000)); |
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247 | return this; |
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248 | }, |
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249 | |
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250 | setMinutes: function(/*Number*/minutes){ |
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251 | // summary: |
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252 | // sets the minutes (0-59) only. |
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253 | this._minutes = minutes % 60; |
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254 | return this; |
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255 | }, |
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256 | |
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257 | setSeconds: function(/*Number*/seconds){ |
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258 | // summary: |
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259 | // sets the seconds (0-59) only. |
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260 | this._seconds = seconds % 60; |
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261 | return this; |
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262 | }, |
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263 | |
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264 | setMilliseconds: function(/*Number*/milliseconds){ |
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265 | this._milliseconds = milliseconds % 1000; |
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266 | return this; |
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267 | }, |
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268 | |
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269 | toString:function(){ |
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270 | // summary: |
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271 | // This returns a string representation of the date in "DDDD MMMM DD YYYY HH:MM:SS" format |
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272 | // example: |
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273 | // | var date1 = new dojox.date.persian.Date(); |
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274 | // | document.writeln(date1.toString()); |
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275 | |
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276 | //FIXME: TZ/DST issues? |
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277 | if(isNaN(this._date)){ |
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278 | return "Invalidate Date"; |
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279 | }else{ |
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280 | var x = new Date(); |
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281 | x.setHours(this._hours); |
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282 | x.setMinutes(this._minutes); |
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283 | x.setSeconds(this._seconds); |
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284 | x.setMilliseconds(this._milliseconds); |
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285 | return this._month+" "+ this._date + " " + this._year + " " + x.toTimeString(); |
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286 | } |
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287 | }, |
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288 | |
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289 | |
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290 | toGregorian:function(){ |
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291 | // summary: |
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292 | // This returns the equevalent Grogorian date value in Date object |
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293 | // example: |
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294 | // | var datePersian = new dojox.date.persian.Date(1429,11,20); |
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295 | // | var dateGregorian = datePersian.toGregorian(); |
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296 | |
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297 | var hYear = this._year; |
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298 | var date,j; |
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299 | j = this.persian_to_jd(this._year,this._month+1,this._date); |
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300 | date = this.jd_to_gregorian(j,this._month+1); |
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301 | weekday = this.jwday(j); |
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302 | var _21=new Date(date[0],date[1]-1,date[2],this._hours,this._minutes,this._seconds,this._milliseconds); |
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303 | return _21; |
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304 | }, |
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305 | |
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306 | |
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307 | // ported from the Java class com.ibm.icu.util.PersianCalendar from ICU4J v3.6.1 at http://www.icu-project.org/ |
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308 | fromGregorian:function(/*Date*/gdate){ |
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309 | // summary: |
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310 | // This function returns the equivalent Persian Date value for the Gregorian Date |
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311 | // example: |
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312 | // | var datePersian = new dojox.date.persian.Date(); |
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313 | // | var dateGregorian = new Date(2008,10,12); |
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314 | // | datePersian.fromGregorian(dateGregorian); |
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315 | |
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316 | var _23=new Date(gdate); |
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317 | var _24=_23.getFullYear(),_25=_23.getMonth(),_26=_23.getDate(); |
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318 | var persian = this.calcGregorian(_24,_25,_26); |
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319 | this._date=persian[2]; |
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320 | this._month=persian[1]; |
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321 | this._year=persian[0]; |
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322 | this._hours=_23.getHours(); |
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323 | this._minutes=_23.getMinutes(); |
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324 | this._seconds=_23.getSeconds(); |
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325 | this._milliseconds=_23.getMilliseconds(); |
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326 | this._day=_23.getDay(); |
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327 | return this; |
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328 | }, |
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329 | // calcGregorian -- Perform calculation starting with a Gregorian date |
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330 | calcGregorian:function (year,month,day){ |
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331 | var j, weekday; |
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332 | // Update Julian day |
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333 | j = this.gregorian_to_jd(year, month + 1, day) +(Math.floor(0 + 60 * (0 + 60 * 0) + 0.5) / 86400.0); |
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334 | // Update Persian Calendar |
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335 | perscal = this.jd_to_persian(j); |
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336 | weekday = this.jwday(j); |
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337 | return new Array(perscal[0], perscal[1], perscal[2],weekday); |
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338 | }, |
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339 | // JD_TO_PERSIAN -- Calculate Persian date from Julian day |
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340 | jd_to_persian: function (jd){ |
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341 | var year, month, day, depoch, cycle, cyear, ycycle, aux1, aux2, yday; |
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342 | jd = Math.floor(jd) + 0.5; |
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343 | depoch = jd - this.persian_to_jd(475, 1, 1); |
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344 | cycle = Math.floor(depoch / 1029983); |
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345 | cyear = this._mod(depoch, 1029983); |
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346 | if (cyear == 1029982) { |
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347 | ycycle = 2820; |
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348 | } else { |
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349 | aux1 = Math.floor(cyear / 366); |
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350 | aux2 = this._mod(cyear, 366); |
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351 | ycycle = Math.floor(((2134 * aux1) + (2816 * aux2) + 2815) / 1028522) + aux1 + 1; |
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352 | } |
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353 | year = ycycle + (2820 * cycle) + 474; |
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354 | if (year <= 0) { |
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355 | year--; |
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356 | } |
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357 | yday = (jd - this.persian_to_jd(year, 1, 1)) + 1; |
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358 | month = (yday <= 186) ? Math.ceil(yday / 31) : Math.ceil((yday - 6) / 30); |
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359 | day = (jd - this.persian_to_jd(year, month, 1)) + 1; |
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360 | |
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361 | return new Array(year, month-1, day); |
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362 | }, |
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363 | // PERSIAN_TO_JD -- Determine Julian day from Persian date |
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364 | persian_to_jd: function (year, month, day){ |
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365 | var epbase, epyear; |
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366 | epbase = year - ((year >= 0) ? 474 : 473); |
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367 | epyear = 474 + this._mod(epbase, 2820); |
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368 | return day +((month <= 7) ?((month - 1) * 31) :(((month - 1) * 30) + 6)) + Math.floor(((epyear * 682) - 110) / 2816) +(epyear - 1) * 365 + Math.floor(epbase / 2820) * 1029983 +(this._PERSIAN_EPOCH - 1); |
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369 | }, |
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370 | // GREGORIAN_TO_JD -- Determine Julian day number from Gregorian calendar date |
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371 | gregorian_to_jd: function (year, month, day){ |
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372 | return (this._GREGORIAN_EPOCH - 1) + (365 * (year - 1)) + Math.floor((year - 1) / 4) +(-Math.floor((year - 1) / 100)) + Math.floor((year - 1) / 400) + Math.floor((((367 * month) - 362) / 12) + |
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373 | ((month <= 2) ? 0 :(this.leap_gregorian(year) ? -1 : -2)) +day); |
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374 | }, |
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375 | |
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376 | // JD_TO_GREGORIAN -- Calculate Gregorian calendar date from Julian day |
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377 | jd_to_gregorian : function (jd,jmonth) { |
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378 | var wjd, depoch, quadricent, dqc, cent, dcent, quad, dquad, yindex, dyindex, year, yearday, leapadj; |
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379 | wjd = Math.floor(jd - 0.5) + 0.5; |
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380 | depoch = wjd - this._GREGORIAN_EPOCH; |
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381 | quadricent = Math.floor(depoch / 146097); |
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382 | dqc = this._mod(depoch, 146097); |
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383 | cent = Math.floor(dqc / 36524); |
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384 | dcent = this._mod(dqc, 36524); |
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385 | quad = Math.floor(dcent / 1461); |
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386 | dquad = this._mod(dcent, 1461); |
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387 | yindex = Math.floor(dquad / 365); |
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388 | year = (quadricent * 400) + (cent * 100) + (quad * 4) + yindex; |
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389 | if (!((cent == 4) || (yindex == 4))) { |
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390 | year++; |
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391 | } |
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392 | yearday = wjd - this.gregorian_to_jd(year, 1, 1); |
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393 | leapadj = ((wjd < this.gregorian_to_jd(year, 3, 1)) ? 0:(this.leap_gregorian(year) ? 1 : 2)); |
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394 | month = Math.floor((((yearday + leapadj) * 12) + 373) / 367); |
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395 | day = (wjd - this.gregorian_to_jd(year, month, 1)) + 1; |
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396 | return new Array(year, month, day); |
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397 | }, valueOf:function(){ |
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398 | // summary: |
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399 | // This function returns The stored time value in milliseconds |
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400 | // since midnight, January 1, 1970 UTC |
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401 | |
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402 | return this.toGregorian().valueOf(); |
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403 | },jwday: function (j) |
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404 | { |
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405 | return this._mod(Math.floor((j + 1.5)), 7); |
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406 | }, |
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407 | |
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408 | // ported from the Java class com.ibm.icu.util.PersianCalendar from ICU4J v3.6.1 at http://www.icu-project.org/ |
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409 | _yearStart:function(/*Number*/year){ |
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410 | // summary: |
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411 | // return start of Persian year |
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412 | return (year-1)*354 + Math.floor((3+11*year)/30.0); |
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413 | }, |
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414 | |
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415 | // ported from the Java class com.ibm.icu.util.PersianCalendar from ICU4J v3.6.1 at http://www.icu-project.org/ |
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416 | _monthStart:function(/*Number*/year, /*Number*/month){ |
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417 | // summary: |
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418 | // return the start of Persian Month |
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419 | return Math.ceil(29.5*month) + |
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420 | (year-1)*354 + Math.floor((3+11*year)/30.0); |
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421 | }, |
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422 | // LEAP_GREGORIAN -- Is a given year in the Gregorian calendar a leap year ? |
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423 | leap_gregorian: function (year) |
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424 | { |
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425 | return ((year % 4) == 0) && |
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426 | (!(((year % 100) == 0) && ((year % 400) != 0))); |
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427 | }, |
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428 | |
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429 | // LEAP_PERSIAN -- Is a given year a leap year in the Persian calendar ? |
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430 | isLeapYear:function(j_y,j_m,j_d){ |
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431 | // summary: |
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432 | // return Boolean value if Persian leap year |
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433 | return !(j_y < 0 || j_y > 32767 || j_m < 1 || j_m > 12 || j_d < 1 || j_d >(this.daysInMonth[j_m-1] + (j_m == 12 && !((j_y-979)%33%4)))); |
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434 | |
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435 | }, |
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436 | |
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437 | // ported from the Java class com.ibm.icu.util.PersianCalendar from ICU4J v3.6.1 at http://www.icu-project.org/ |
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438 | getDaysInPersianMonth:function(/*Number*/month, /*Number*/ year){ |
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439 | // summary: |
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440 | // returns the number of days in the given Persian Month |
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441 | var days=this.daysInMonth[month]; |
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442 | if(month==11 && this.isLeapYear(year,month+1,30)){ |
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443 | days++; |
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444 | } |
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445 | return days; |
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446 | }, |
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447 | |
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448 | _mod:function(a, b){ |
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449 | return a - (b * Math.floor(a / b)); |
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450 | } |
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451 | }); |
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452 | |
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453 | |
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454 | IDate.getDaysInPersianMonth = function(/*dojox/date/persian.Date*/month){ |
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455 | return new IDate().getDaysInPersianMonth(month.getMonth(),month.getFullYear()); // dojox.date.persian.Date |
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456 | }; |
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457 | return IDate; |
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458 | }); |
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