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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2006 by 1&1 Internet AG, Germany, http://www.1and1.org
License:
LGPL 2.1: http://www.gnu.org/licenses/lgpl.html
Authors:
* Sebastian Werner (wpbasti)
* Andreas Ecker (ecker)
************************************************************************ */
/* ************************************************************************
#module(core)
************************************************************************ */
qx.OO.defineClass("qx.util.Validation");
/*
All methods use the strict comparison operators as all modern
browsers (needs support for JavaScript 1.3) seems to support this.
http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Operators:Comparison_Operators
*/
qx.util.Validation.isValid = function(v)
{
switch(typeof v)
{
case "undefined":
return false;
case "object":
return v !== null;
case "string":
return v !== "";
case "number":
return !isNaN(v);
case "function":
case "boolean":
return true;
}
return false;
}
qx.util.Validation.isInvalid = function(v)
{
switch(typeof v)
{
case "undefined":
return true;
case "object":
return v === null;
case "string":
return v === "";
case "number":
return isNaN(v);
case "function":
case "boolean":
return false;
}
return true;
}
qx.util.Validation.isValidNumber = function(v) {
return typeof v === "number" && !isNaN(v);
}
qx.util.Validation.isInvalidNumber = function(v) {
return typeof v !== "number" || isNaN(v);
}
qx.util.Validation.isValidString = function(v) {
return typeof v === "string" && v !== "";
}
qx.util.Validation.isInvalidString = function(v) {
return typeof v !== "string" || v === "";
}
qx.util.Validation.isValidArray = function(v) {
return typeof v === "object" && v !== null && v instanceof Array;
}
qx.util.Validation.isInvalidArray = function(v) {
return typeof v !== "object" || v === null || !(v instanceof Array);
}
qx.util.Validation.isValidObject = function(v) {
return typeof v === "object" && v !== null && !(v instanceof Array);
}
qx.util.Validation.isInvalidObject = function(v) {
return typeof v !== "object" || v === null || v instanceof Array;
}
qx.util.Validation.isValidNode = function(v) {
return typeof v === "object" && v !== null;
}
qx.util.Validation.isInvalidNode = function(v) {
return typeof v !== "object" || v === null;
}
qx.util.Validation.isValidElement = function(v) {
return typeof v === "object" && v !== null || v.nodeType !== 1;
}
qx.util.Validation.isInvalidElement = function(v) {
return typeof v !== "object" || v === null || v.nodeType !== 1;
}
qx.util.Validation.isValidFunction = function(v) {
return typeof v === "function";
}
qx.util.Validation.isInvalidFunction = function(v) {
return typeof v !== "function";
}
qx.util.Validation.isValidBoolean = function(v) {
return typeof v === "boolean";
}
qx.util.Validation.isInvalidBoolean = function(v) {
return typeof v !== "boolean";
}
qx.util.Validation.isValidStringOrNumber = function(v)
{
switch(typeof v)
{
case "string":
return v !== "";
case "number":
return !isNaN(v);
}
return false;
}
qx.util.Validation.isInvalidStringOrNumber = function(v)
{
switch(typeof v)
{
case "string":
return v === "";
case "number":
return isNaN(v);
}
return false;
}
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