File: livevalidation/livevalidation.js

// LiveValidation 1.1 (standalone version)
// Copyright (c) 2007 Alec Hill (www.livevalidation.com)
// LiveValidation is licensed under the terms of the MIT License

var LiveValidation=function(B,A){this.initialize(B,A);};LiveValidation.TEXTAREA=1;LiveValidation.TEXT=2;LiveValidation.PASSWORD=3;LiveValidation.CHECKBOX=4;LiveValidation.SELECT=5;LiveValidation.massValidate=function(C){var D=true;for(var B=0,A=C.length;B<A;++B){var E=C[B].validate();if(D){D=E;}}return D;};LiveValidation.prototype={validClass:"LV_valid",invalidClass:"LV_invalid",messageClass:"LV_validation_message",validFieldClass:"LV_valid_field",invalidFieldClass:"LV_invalid_field",initialize:function(D,C){var A=this;if(!D){throw new Error("LiveValidation::initialize - No element reference or element id has been provided!");}this.element=D.nodeName?D:document.getElementById(D);if(!this.element){throw new Error("LiveValidation::initialize - No element with reference or id of '"+D+"' exists!");}this.validations=[];this.elementType=this.getElementType();var B=C||{};this.validMessage=B.validMessage||"Thankyou!";this.insertAfterWhatNode=B.insertAfterWhatNode||this.element;this.onValid=B.onValid||function(){this.insertMessage(this.createMessageSpan());this.addFieldClass();};this.onInvalid=B.onInvalid||function(){this.insertMessage(this.createMessageSpan());this.addFieldClass();};this.onlyOnBlur=B.onlyOnBlur||false;this.wait=B.wait||0;this.element.onfocus=function(E){A.doOnFocus();};switch(this.elementType){case LiveValidation.CHECKBOX:this.element.onclick=function(E){A.validate();};case LiveValidation.SELECT:this.element.onchange=function(E){A.validate();};break;default:if(!this.onlyOnBlur){this.element.onkeyup=function(E){A.deferValidation();};}this.element.onblur=function(E){A.doOnBlur();};}},add:function(A,B){this.validations.push({type:A,params:B||{}});return this;},deferValidation:function(B){if(this.wait>=300){this.removeMessageAndFieldClass();}var A=this;if(this.timeout){clearTimeout(A.timeout);}this.timeout=setTimeout(function(){A.validate();},A.wait);},doOnBlur:function(A){this.focused=false;this.validate(A);},doOnFocus:function(A){this.focused=true;this.removeMessageAndFieldClass();},getElementType:function(){switch(true){case (this.element.nodeName=="TEXTAREA"):return LiveValidation.TEXTAREA;case (this.element.nodeName=="INPUT"&&this.element.type=="text"):return LiveValidation.TEXT;case (this.element.nodeName=="INPUT"&&this.element.type=="password"):return LiveValidation.PASSWORD;case (this.element.nodeName=="INPUT"&&this.element.type=="checkbox"):return LiveValidation.CHECKBOX;case (this.element.nodeName=="SELECT"):return LiveValidation.SELECT;case (this.element.nodeName=="INPUT"):throw new Error("LiveValidation::getElementType - Cannot use LiveValidation on an "+this.element.type+" input!");default:throw new Error("LiveValidation::getElementType - Element must be an input, select, or textarea!");}},doValidations:function(){this.validationFailed=false;for(var C=0,A=this.validations.length;C<A;++C){var B=this.validations[C];switch(B.type){case Validate.Presence:case Validate.Confirmation:case Validate.Acceptance:this.displayMessageWhenEmpty=true;this.validationFailed=!this.validateElement(B.type,B.params);break;default:this.validationFailed=!this.validateElement(B.type,B.params);break;}if(this.validationFailed){return false;}}this.message=this.validMessage;return true;},validateElement:function(A,C){var D=(this.elementType==LiveValidation.SELECT)?this.element.options[this.element.selectedIndex].value:this.element.value;if(A==Validate.Acceptance){if(this.elementType!=LiveValidation.CHECKBOX){throw new Error("LiveValidation::validateElement - Element to validate acceptance must be a checkbox!");}D=this.element.checked;}var E=true;try{A(D,C);}catch(B){if(B instanceof Validate.Error){if(D!==""||(D===""&&this.displayMessageWhenEmpty)){this.validationFailed=true;this.message=B.message;E=false;}}else{throw B;}}finally{return E;}},validate:function(){var A=this.doValidations();if(A){this.onValid();return true;}else{this.onInvalid();return false;}},createMessageSpan:function(){var A=document.createElement("span");var B=document.createTextNode(this.message);A.appendChild(B);return A;},insertMessage:function(B){this.removeMessage();if((this.displayMessageWhenEmpty&&(this.elementType==LiveValidation.CHECKBOX||this.element.value==""))||this.element.value!=""){var A=this.validationFailed?this.invalidClass:this.validClass;B.className+=" "+this.messageClass+" "+A;if(this.insertAfterWhatNode.nextSibling){this.insertAfterWhatNode.parentNode.insertBefore(B,this.insertAfterWhatNode.nextSibling);}else{this.insertAfterWhatNode.parentNode.appendChild(B);}}},addFieldClass:function(){this.removeFieldClass();if(!this.validationFailed){if(this.displayMessageWhenEmpty||this.element.value!=""){if(this.element.className.indexOf(this.validFieldClass)==-1){this.element.className+=" "+this.validFieldClass;}}}else{if(this.element.className.indexOf(this.invalidFieldClass)==-1){this.element.className+=" "+this.invalidFieldClass;}}},removeMessage:function(){var A;var B=this.insertAfterWhatNode;while(B.nextSibling){if(B.nextSibling.nodeType===1){A=B.nextSibling;break;}B=B.nextSibling;}if(A&&A.className.indexOf(this.messageClass)!=-1){this.insertAfterWhatNode.parentNode.removeChild(A);}},removeFieldClass:function(){if(this.element.className.indexOf(this.invalidFieldClass)!=-1){this.element.className=this.element.className.split(this.invalidFieldClass).join("");}if(this.element.className.indexOf(this.validFieldClass)!=-1){this.element.className=this.element.className.split(this.validFieldClass).join(" ");}},removeMessageAndFieldClass:function(){this.removeMessage();this.removeFieldClass();}};var Validate={Presence:function(B,C){var C=C||{};var A=C.failureMessage||"Can't be empty!";if(B===""||B===null||B===undefined){Validate.fail(A);}return true;},Numericality:function(J,E){var A=J;var J=Number(J);var E=E||{};var F=((E.minimum)||(E.minimum==0))?E.minimum:null;var C=((E.maximum)||(E.maximum==0))?E.maximum:null;var D=((E.is)||(E.is==0))?E.is:null;var G=E.notANumberMessage||"Must be a number!";var H=E.notAnIntegerMessage||"Must be an integer!";var I=E.wrongNumberMessage||"Must be "+D+"!";var B=E.tooLowMessage||"Must not be less than "+F+"!";var K=E.tooHighMessage||"Must not be more than "+C+"!";if(!isFinite(J)){Validate.fail(G);}if(E.onlyInteger&&(/\.0+$|\.$/.test(String(A))||J!=parseInt(J))){Validate.fail(H);}switch(true){case (D!==null):if(J!=Number(D)){Validate.fail(I);}break;case (F!==null&&C!==null):Validate.Numericality(J,{tooLowMessage:B,minimum:F});Validate.Numericality(J,{tooHighMessage:K,maximum:C});break;case (F!==null):if(J<Number(F)){Validate.fail(B);}break;case (C!==null):if(J>Number(C)){Validate.fail(K);}break;}return true;},Format:function(C,D){var C=String(C);var D=D||{};var A=D.failureMessage||"Not valid!";var B=D.pattern||/./;if(!B.test(C)){Validate.fail(A);}return true;},Email:function(B,C){var C=C||{};var A=C.failureMessage||"Must be a valid email address!";Validate.Format(B,{failureMessage:A,pattern:/^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i});return true;},Length:function(F,G){var F=String(F);var G=G||{};var E=((G.minimum)||(G.minimum==0))?G.minimum:null;var H=((G.maximum)||(G.maximum==0))?G.maximum:null;var C=((G.is)||(G.is==0))?G.is:null;var A=G.wrongLengthMessage||"Must be "+C+" characters long!";var B=G.tooShortMessage||"Must not be less than "+E+" characters long!";var D=G.tooLongMessage||"Must not be more than "+H+" characters long!";switch(true){case (C!==null):if(F.length!=Number(C)){Validate.fail(A);}break;case (E!==null&&H!==null):Validate.Length(F,{tooShortMessage:B,minimum:E});Validate.Length(F,{tooLongMessage:D,maximum:H});break;case (E!==null):if(F.length<Number(E)){Validate.fail(B);}break;case (H!==null):if(F.length>Number(H)){Validate.fail(D);}break;default:throw new Error("Validate::Length - Length(s) to validate against must be provided!");}return true;},Inclusion:function(F,G){var G=G||{};var C=G.failureMessage||"Must be included in the list!";if(G.allowNull&&F==null){return true;}if(!G.allowNull&&F==null){Validate.fail(C);}var E=G.within||[];var D=false;for(var A=0,B=E.length;A<B;++A){if(E[A]==F){D=true;}if(G.partialMatch){if(F.indexOf(E[A])!=-1){D=true;}}}if((!G.exclusion&&!D)||(G.exclusion&&D)){Validate.fail(C);}return true;},Exclusion:function(A,B){var B=B||{};B.failureMessage=B.failureMessage||"Must not be included in the list!";B.exclusion=true;Validate.Inclusion(A,B);return true;},Confirmation:function(C,D){if(!D.match){throw new Error("Validate::Confirmation - Error validating confirmation: Id of element to match must be provided!");}var D=D||{};var B=D.failureMessage||"Does not match!";var A=D.match.nodeName?D.match:document.getElementById(D.match);if(!A){throw new Error("Validate::Confirmation - There is no reference with name of, or element with id of '"+D.match+"'!");}if(C!=A.value){Validate.fail(B);}return true;},Acceptance:function(B,C){var C=C||{};var A=C.failureMessage||"Must be accepted!";if(!B){Validate.fail(A);}return true;},now:function(A,D,C){if(!A){throw new Error("Validate::now - Validation function must be provided!");}var E=true;try{A(D,C||{});}catch(B){if(B instanceof Validate.Error){E=false;}else{throw B;}}finally{return E;}},fail:function(A){throw new Validate.Error(A);},Error:function(A){this.message=A;this.name="ValidationError";}};