ew.js

AspMaker调用的自定义包

// JavaScript for ASPMaker 5+
// (C) 2001-2006 e.World Technology Ltd.

var EW_dateSep; // default date separator
if (EW_dateSep == '') EW_dateSep = '/';

var EW_fieldSep = ', '; // default separator between display fields
var EW_ver55 = true;

function EW_DHTMLEditor(name) {
	this.name = name;
	this.create = function() { this.active = true; }
	this.editor = null;
	this.active = false;
}

function EW_createEditor(name) {
	if (typeof EW_DHTMLEditors == 'undefined')
		return;
	if (name && name.substring(0,2) == 'r_')
		name = name.replace(/r_/, 'x_');
	for (var i = 0; i < EW_DHTMLEditors.length; i++) {
    var ed = EW_DHTMLEditors[i];
		var cr = !ed.active;
		if (name) cr = cr && ed.name == name;
		if (cr) {
			if (typeof ed.create == 'function')
				ed.create();
			if (name)
				break;
		}
	}
}

function EW_submitForm(EW_this) {	
	if (typeof EW_UpdateTextArea == 'function')
		EW_UpdateTextArea();
	if (EW_checkMyForm(EW_this))
		EW_this.submit();
}

function EW_RemoveSpaces(value) {
	str = value.replace(/^\s*|\s*$/g, "");
	str = str.toLowerCase();
	if (str == "<p />" || str == "<p/>" || str == "<p>" ||
		str == "<br />" || str == "<br/>" || str == "<br>" ||
		str == "&nbsp;" || str == "<p>&nbsp;</p>")
		return ""
	else
		return value;
}

function ew_IsHiddenTextArea(input_object) {
	return (input_object && input_object.type && input_object.type == "textarea" &&
		input_object.style && input_object.style.display &&
		input_object.style.display == "none");
}

function ew_SetFocus(input_object) {
	if (!input_object || !input_object.type)
		return;
	var type = input_object.type;	 			
	if (type == "radio" || type == "checkbox") {
		if (input_object[0])
			input_object[0].focus();
		else
			input_object.focus();
	}	else if (!ew_IsHiddenTextArea(input_object)) { 
		input_object.focus();  
	}  
	if (type == "text" || type == "password" || type == "textarea" || type == "file") {
		if (!ew_IsHiddenTextArea(input_object))
			input_object.select();
	}
}

function EW_onError(form_object, input_object, object_type, error_message) {
	alert(error_message);
	if (typeof ew_GotoPageByElement != 'undefined') // check if multi-page
		ew_GotoPageByElement(input_object);									
	ew_SetFocus(input_object);
	return false;	
}

function EW_hasValue(obj, obj_type) {
	if (obj_type == "TEXT" || obj_type == "PASSWORD" || obj_type == "TEXTAREA" || obj_type == "FILE")	{
		if (obj.value.length == 0) 
			return false;		
		else 
			return true;
	}	else if (obj_type == "SELECT") {
		if (obj.type != "select-multiple" && obj.selectedIndex == 0)
			return false;
		else if (obj.type == "select-multiple" && obj.selectedIndex == -1)
			return false;
		else
			return true;
	}	else if (obj_type == "RADIO" || obj_type == "CHECKBOX")	{
		if (obj[0]) {
			for (i=0; i < obj.length; i++) {
				if (obj[i].checked)
					return true;
			}
		} else {
			return (obj.checked);
		}
		return false;	
	}
}

// Date (mm/dd/yyyy)
function EW_checkusdate(object_value) {
	if (object_value.length == 0)
		return true;
	
	isplit = object_value.indexOf(EW_dateSep);
	
	if (isplit == -1 || isplit == object_value.length)
		return false;
	
	sMonth = object_value.substring(0, isplit);
	
	if (sMonth.length == 0)
		return false;
	
	isplit = object_value.indexOf(EW_dateSep, isplit + 1);
	
	if (isplit == -1 || (isplit + 1 ) == object_value.length)
		return false;
	
	sDay = object_value.substring((sMonth.length + 1), isplit);
	
	if (sDay.length == 0)
		return false;
	
	isep = object_value.indexOf(' ', isplit + 1); 
	if (isep == -1) {
		sYear = object_value.substring(isplit + 1);
	} else {
		sYear = object_value.substring(isplit + 1, isep);
		sTime = object_value.substring(isep + 1);
		if (!EW_checktime(sTime))
			return false; 
	}
	
	if (!EW_checkinteger(sMonth)) 
		return false;
	else if (!EW_checkrange(sMonth, 1, 12)) 
		return false;
	else if (!EW_checkinteger(sYear)) 
		return false;
	else if (!EW_checkrange(sYear, 0, 9999)) 
		return false;
	else if (!EW_checkinteger(sDay)) 
		return false;
	else if (!EW_checkday(sYear, sMonth, sDay))
		return false;
	else
		return true;
}

// Date (yyyy/mm/dd, )
function EW_checkdate(object_value) {
	if (object_value.length == 0)
		return true;
	
	isplit = object_value.indexOf(EW_dateSep);
	
	if (isplit == -1 || isplit == object_value.length)
		return false;
	
	sYear = object_value.substring(0, isplit);
	
	isplit = object_value.indexOf(EW_dateSep, isplit + 1);
	
	if (isplit == -1 || (isplit + 1 ) == object_value.length)
		return false;
	
	sMonth = object_value.substring((sYear.length + 1), isplit);
	
	if (sMonth.length == 0)
		return false;
	
	isep = object_value.indexOf(' ', isplit + 1); 
	if (isep == -1) {
		sDay = object_value.substring(isplit + 1);
	} else {
		sDay = object_value.substring(isplit + 1, isep);
		sTime = object_value.substring(isep + 1);
		if (!EW_checktime(sTime))
			return false; 
	}
	
	if (sDay.length == 0)
		return false;
	
	if (!EW_checkinteger(sMonth)) 
		return false;
	else if (!EW_checkrange(sMonth, 1, 12)) 
		return false;
	else if (!EW_checkinteger(sYear)) 
		return false;
	else if (!EW_checkrange(sYear, 0, 9999)) 
		return false;
	else if (!EW_checkinteger(sDay)) 
		return false;
	else if (!EW_checkday(sYear, sMonth, sDay))
		return false;
	else
		return true;
}

// Date (dd/mm/yyyy)
function EW_checkeurodate(object_value) {
	if (object_value.length == 0)
	  return true;
	
	isplit = object_value.indexOf(EW_dateSep);
	
	if (isplit == -1 || isplit == object_value.length)
		return false;
	
	sDay = object_value.substring(0, isplit);
	
	monthSplit = isplit + 1;
	
	isplit = object_value.indexOf(EW_dateSep, monthSplit);
	
	if (isplit == -1 ||  (isplit + 1 )  == object_value.length)
		return false;
	
	sMonth = object_value.substring((sDay.length + 1), isplit);
	
	isep = object_value.indexOf(' ', isplit + 1); 
	if (isep == -1) {
		sYear = object_value.substring(isplit + 1);
	} else {
		sYear = object_value.substring(isplit + 1, isep);
		sTime = object_value.substring(isep + 1);
		if (!EW_checktime(sTime))
			return false; 
	}
	
	if (!EW_checkinteger(sMonth)) 
		return false;
	else if (!EW_checkrange(sMonth, 1, 12)) 
		return false;
	else if (!EW_checkinteger(sYear)) 
		return false;
	else if (!EW_checkrange(sYear, 0, null)) 
		return false;
	else if (!EW_checkinteger(sDay)) 
		return false;
	else if (!EW_checkday(sYear, sMonth, sDay)) 
		return false;
	else
		return true;
}

function EW_checkday(checkYear, checkMonth, checkDay) {
	maxDay = 31;
	
	if (checkMonth == 4 || checkMonth == 6 ||	checkMonth == 9 || checkMonth == 11) {
		maxDay = 30;
	} else if (checkMonth == 2)	{
		if (checkYear % 4 > 0)
			maxDay =28;
		else if (checkYear % 100 == 0 && checkYear % 400 > 0)
			maxDay = 28;
		else
			maxDay = 29;
	}
	
	return EW_checkrange(checkDay, 1, maxDay); 
}

function EW_checkinteger(object_value) {
	if (object_value.length == 0)
		return true;
	
	var decimal_format = ".";
	var check_char;
	
	check_char = object_value.indexOf(decimal_format);
	if (check_char < 1)
		return EW_checknumber(object_value);
	else
		return false;
}

function EW_numberrange(object_value, min_value, max_value) {
	if (min_value != null) {
		if (object_value < min_value)
			return false;
	}
	
	if (max_value != null) {
		if (object_value > max_value)
			return false;
	}
	
	return true;
}

function EW_checknumber(object_value) {
	if (object_value.length == 0)
		return true;
	
	var start_format = " .+-0123456789";
	var number_format = " .0123456789";
	var check_char;
	var decimal = false;
	var trailing_blank = false;
	var digits = false;
	
	check_char = start_format.indexOf(object_value.charAt(0));
	if (check_char == 1)
		decimal = true;
	else if (check_char < 1)
		return false;
	 
	for (var i = 1; i < object_value.length; i++)	{
		check_char = number_format.indexOf(object_value.charAt(i))
		if (check_char < 0) {
			return false;
		} else if (check_char == 1)	{
			if (decimal)
				return false;
			else
				decimal = true;
		} else if (check_char == 0) {
			if (decimal || digits)	
			trailing_blank = true;
		}	else if (trailing_blank) { 
			return false;
		} else {
			digits = true;
		}
	}	
	
	return true;
}

function EW_checkrange(object_value, min_value, max_value) {
	if (object_value.length == 0)
		return true;
	
	if (!EW_checknumber(object_value))
		return false;
	else
		return (EW_numberrange((eval(object_value)), min_value, max_value));	
	
	return true;
}

function EW_checktime(object_value) {
	if (object_value.length == 0)
		return true;
	
	isplit = object_value.indexOf(':');
	
	if (isplit == -1 || isplit == object_value.length)
		return false;
	
	sHour = object_value.substring(0, isplit);
	iminute = object_value.indexOf(':', isplit + 1);
	
	if (iminute == -1 || iminute == object_value.length)
		sMin = object_value.substring((sHour.length + 1));
	else
		sMin = object_value.substring((sHour.length + 1), iminute);
	
	if (!EW_checkinteger(sHour))
		return false;
	else if (!EW_checkrange(sHour, 0, 23)) 
		return false;
	
	if (!EW_checkinteger(sMin))
		return false;
	else if (!EW_checkrange(sMin, 0, 59))
		return false;
	
	if (iminute != -1) {
		sSec = object_value.substring(iminute + 1);		
		if (!EW_checkinteger(sSec))
			return false;
		else if (!EW_checkrange(sSec, 0, 59))
			return false;	
	}
	
	return true;
}

function EW_checkphone(object_value) {
	if (object_value.length == 0)
		return true;
	
	if (object_value.length != 12)
		return false;
	
	if (!EW_checknumber(object_value.substring(0,3)))
		return false;
	else if (!EW_numberrange((eval(object_value.substring(0,3))), 100, 1000))
		return false;
	
	if (object_value.charAt(3) != "-" && object_value.charAt(3) != " ")
		return false
	
	if (!EW_checknumber(object_value.substring(4,7)))
		return false;
	else if (!EW_numberrange((eval(object_value.substring(4,7))), 100, 1000))
		return false;
	
	if (object_value.charAt(7) != "-" && object_value.charAt(7) != " ")
		return false;
	
	if (object_value.charAt(8) == "-" || object_value.charAt(8) == "+")
		return false;
	else
		return (EW_checkinteger(object_value.substring(8,12)));
}


function EW_checkzip(object_value) {
	if (object_value.length == 0)
		return true;
	
	if (object_value.length != 5 && object_value.length != 10)
		return false;
	
	if (object_value.charAt(0) == "-" || object_value.charAt(0) == "+")
		return false;
	
	if (!EW_checkinteger(object_value.substring(0,5)))
		return false;
	
	if (object_value.length == 5)
		return true;
	
	if (object_value.charAt(5) != "-" && object_value.charAt(5) != " ")
		return false;
	
	if (object_value.charAt(6) == "-" || object_value.charAt(6) == "+")
		return false;
	
	return (EW_checkinteger(object_value.substring(6,10)));
}


function EW_checkcreditcard(object_value) {
	var white_space = " -";
	var creditcard_string = "";
	var check_char;
	
	if (object_value.length == 0)
		return true;
	
	for (var i = 0; i < object_value.length; i++) {
		check_char = white_space.indexOf(object_value.charAt(i));
		if (check_char < 0)
			creditcard_string += object_value.substring(i, (i + 1));
	}	
	
	if (creditcard_string.length == 0)
		return false;	 
	
	if (creditcard_string.charAt(0) == "+")
		return false;
	
	if (!EW_checkinteger(creditcard_string))
		return false;
	
	var doubledigit = creditcard_string.length % 2 == 1 ? false : true;
	var checkdigit = 0;
	var tempdigit;
	
	for (var i = 0; i < creditcard_string.length; i++) {
		tempdigit = eval(creditcard_string.charAt(i));		
		if (doubledigit) {
			tempdigit *= 2;
			checkdigit += (tempdigit % 10);			
			if ((tempdigit / 10) >= 1.0)
				checkdigit++;			
			doubledigit = false;
		}	else {
			checkdigit += tempdigit;
			doubledigit = true;
		}
	}
		
	return (checkdigit % 10) == 0 ? true : false;
}


function EW_checkssc(object_value) {
	var white_space = " -+.";
	var ssc_string="";
	var check_char;
	
	if (object_value.length == 0)
		return true;
	
	if (object_value.length != 11)
		return false;
	
	if (object_value.charAt(3) != "-" && object_value.charAt(3) != " ")
		return false;
	
	if (object_value.charAt(6) != "-" && object_value.charAt(6) != " ")
		return false;
	
	for (var i = 0; i < object_value.length; i++) {
		check_char = white_space.indexOf(object_value.charAt(i));
		if (check_char < 0)
			ssc_string += object_value.substring(i, (i + 1));
	}	
	
	if (ssc_string.length != 9)
		return false;	 
	
	if (!EW_checkinteger(ssc_string))
		return false;
	
	return true;
}
	

function EW_checkemail(object_value) {
	if (object_value.length == 0)
		return true;