diff options
Diffstat (limited to 'framework/Web/Javascripts/base/date.js')
| -rw-r--r-- | framework/Web/Javascripts/base/date.js | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/framework/Web/Javascripts/base/date.js b/framework/Web/Javascripts/base/date.js new file mode 100644 index 00000000..375c59df --- /dev/null +++ b/framework/Web/Javascripts/base/date.js @@ -0,0 +1,147 @@ +
+Object.extend(Date.prototype,
+{
+ SimpleFormat: function(format)
+ {
+ var bits = new Array();
+ bits['d'] = this.getDate();
+ bits['dd'] = Prado.Util.pad(this.getDate(),2);
+
+ bits['M'] = this.getMonth()+1;
+ bits['MM'] = Prado.Util.pad(this.getMonth()+1,2);
+
+ var yearStr = "" + this.getFullYear();
+ yearStr = (yearStr.length == 2) ? '19' + yearStr: yearStr;
+ bits['yyyy'] = yearStr;
+ bits['yy'] = bits['yyyy'].toString().substr(2,2);
+
+ // do some funky regexs to replace the format string
+ // with the real values
+ var frm = new String(format);
+ for (var sect in bits)
+ {
+ var reg = new RegExp("\\b"+sect+"\\b" ,"g");
+ frm = frm.replace(reg, bits[sect]);
+ }
+ return frm;
+ },
+
+ toISODate : function()
+ {
+ var y = this.getFullYear();
+ var m = Prado.Util.pad(this.getMonth() + 1);
+ var d = Prado.Util.pad(this.getDate());
+ return String(y) + String(m) + String(d);
+ }
+});
+
+Object.extend(Date,
+{
+ SimpleParse: function(value, format)
+ {
+ val=String(value);
+ format=String(format);
+
+ if(val.length <= 0) return null;
+
+ if(format.length <= 0) return new Date(value);
+
+ var isInteger = function (val)
+ {
+ var digits="1234567890";
+ for (var i=0; i < val.length; i++)
+ {
+ if (digits.indexOf(val.charAt(i))==-1) { return false; }
+ }
+ return true;
+ };
+
+ var getInt = function(str,i,minlength,maxlength)
+ {
+ for (var x=maxlength; x>=minlength; x--)
+ {
+ var token=str.substring(i,i+x);
+ if (token.length < minlength) { return null; }
+ if (isInteger(token)) { return token; }
+ }
+ return null;
+ };
+
+ var i_val=0;
+ var i_format=0;
+ var c="";
+ var token="";
+ var token2="";
+ var x,y;
+ var now=new Date();
+ var year=now.getFullYear();
+ var month=now.getMonth()+1;
+ var date=1;
+
+ while (i_format < format.length)
+ {
+ // Get next token from format string
+ c=format.charAt(i_format);
+ token="";
+ while ((format.charAt(i_format)==c) && (i_format < format.length))
+ {
+ token += format.charAt(i_format++);
+ }
+
+ // Extract contents of value based on format token
+ if (token=="yyyy" || token=="yy" || token=="y")
+ {
+ if (token=="yyyy") { x=4;y=4; }
+ if (token=="yy") { x=2;y=2; }
+ if (token=="y") { x=2;y=4; }
+ year=getInt(val,i_val,x,y);
+ if (year==null) { return null; }
+ i_val += year.length;
+ if (year.length==2)
+ {
+ if (year > 70) { year=1900+(year-0); }
+ else { year=2000+(year-0); }
+ }
+ }
+
+ else if (token=="MM"||token=="M")
+ {
+ month=getInt(val,i_val,token.length,2);
+ if(month==null||(month<1)||(month>12)){return null;}
+ i_val+=month.length;
+ }
+ else if (token=="dd"||token=="d")
+ {
+ date=getInt(val,i_val,token.length,2);
+ if(date==null||(date<1)||(date>31)){return null;}
+ i_val+=date.length;
+ }
+ else
+ {
+ if (val.substring(i_val,i_val+token.length)!=token) {return null;}
+ else {i_val+=token.length;}
+ }
+ }
+
+ // If there are any trailing characters left in the value, it doesn't match
+ if (i_val != val.length) { return null; }
+
+ // Is date valid for month?
+ if (month==2)
+ {
+ // Check for leap year
+ if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
+ if (date > 29){ return null; }
+ }
+ else { if (date > 28) { return null; } }
+ }
+
+ if ((month==4)||(month==6)||(month==9)||(month==11))
+ {
+ if (date > 30) { return null; }
+ }
+
+ var newdate=new Date(year,month-1,date, 0, 0, 0);
+ return newdate;
+ }
+});
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