From 8da0f8dd4a0347f15df6e71ac2b0f4b3c27e8475 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Fri, 13 Jan 2006 04:55:22 +0000
Subject: Focus added to client validators

---
 framework/Web/Javascripts/base/date.js | 147 +++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 framework/Web/Javascripts/base/date.js

(limited to 'framework/Web/Javascripts/base/date.js')

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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