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API

Add Valid Message (error, success) for validation required

required-error-message and required-success-message

<label>Required</label>
<input type="text"
       name="require"
       ng-model="form.required"
       validator="required"
       required-error-message="Required"
       required-success-message="Good Required"/>
       <!-- or you can try
       required-error-message="{{ RequiredMsg }}"
       -->

Add Valid Message (error, success) for validation email

email-error-message and email-success-message

<label>Email</label>
<input type="text"
       name="email"
       ng-model="form.email"
       validator="email"
       email-error-message="Error Email"
       email-success-message="Good Email"/>

Use Default Valid Message

You don't need to give valid message - the valid/invalid message will be automatically placed next to your input element.

<label>Number</label>
<input type="text" name="number" ng-model="form.number" validator="number"/>

Use Custom Default Valid/Invalid Message

You can customize the default valid/invalid message that will be automatically placed next to your input element.

<script>
    $validationProvider.setDefaultMsg({
        minlength: {
            error: function (element, attrs, param) {
                return 'A minimum of ' + param + ' characters is required.';
            }
        }
        , maxlength: {
            error: function (element, attrs, param) {
                return 'A maximum of ' + param + ' characters is required.';
            }
        }
    });
</script>

<label>Username</label>
<input type="text" name="username" ng-model="form.username" validator="minlength=5"/>

Use a custom Valid Message

You can also add a custom validation message by using message-id attribute. It allows you to place a valid/invalid message wherever you want, a target element must specify an id attribute that matches with a value of the message-id.

<label>Number</label>
<input type="text" name="number" ng-model="form.number" validator="number" message-id="message"/>
<span id="message"></span>

Use a validation group

You can also add a validation-group directive to group many elements into a group. The group will be considered as valid if and only if one of them is valid. Otherwise, the group will be marked as invalid. A valid/invalid message will be placed inside an element that contains an id attribute with the same name as provided to the directive validation-group.

<label>Validation group</label>
<!-- Group both of these elements inside the contact group -->
<input type="text" name="email" ng-model="email" validator="required" validation-group="contact"> 
<input type="number" name="telephone" ng-model="telephone" validator="number" validation-group="contact">
<!-- The message will be placed in side the span element -->
<span id="contact"></span>

Note that the validation-group directive can only be used to group elements placed in the same form. In other words, you can't group elements across different <form> tags.

Don't show the Valid Message no-validation-message="true"

<label>Number</label>
<input type="text" name="number" ng-model="form.number" validator="number" no-validation-message="true"/>
<!-- or {{ your.Scope.Name }} -->
<input type="text" name="number" ng-model="form.number" validator="number" no-validation-message="{{ noValidationMessage }}"/>

Add Valid Callback Function, invalid-callback & valid-callback

<label>Required (Invalid Callback alert)</label>
<input type="text" name="requiredCallback" ng-model="form.requiredCallback" validator="required" invalid-callback='error("Must be Required");'/>

Select the validation method watch blur submit submit-only, default as watch

validationProvider.validate(form).success(callback).error(callback) use callback to continue your submit

<label>Watch method</label>
<input type="text" name="number" ng-model="form.number" validator="number" valid-method="watch"/>
<input type="text" name="number" ng-model="form.number" validator="number"/>

<label>Blur method</label>
<input type="text" name="number" ng-model="form.number" validator="number" valid-method="blur"/>
<!-- or try ng-model-options="{ updateOn: 'blur' }" -->
<input type="text" name="number" ng-model="form.number" validator="number" ng-model-options="{ updateOn: 'blur' }"/>

<label>Submit method</label>
<form name="Form">
    <input type="text" name="number" ng-model="form.number" validator="number" valid-method="submit"/>
    <button ng-click="form.submit(Form)"></button>
</form>

<label>Submit Only method</label>
<form name="Form">
    <input type="text" name="number" ng-model="form.number" validator="number" valid-method="submit-only"/>
    <button ng-click="form.submit(Form)"></button>
</form>

<script>
    // ... validate method, it will check `checkValid(Form)`
    $scope.form = {
        submit: function (form) {
            $validationProvider.validate(form)
                .success(successCallback)
                .error(errorCallback);
        }
    };
    // ...
</script>

<!-- In angular validation 1.2.0
     More easy, more clean in your js code -->

<form name="Form">
    <input type="text" name="number" ng-model="form.number" validator="number" valid-method="submit-only"/>
    <button validation-submit="Form" ng-click="form.submit()"></button>
</form>

<script>
    // Don't need include $validationProvider.validate() anymore
    $scope.form = {
        submit: function () {
            // your ng-click success callback
        }
    };
</script>

<!-- Clean, right ? -->

Select a global validation method watch blur submit submit-only**

validationProvider.setValidMethod('submit')

Setup a new Validation setExpression() setDefaultMsg() with RegExp or Function in config phase

<!-- View -->
<label>IP address (Custom setup the new validator - RegExp)</label>
<input type="text" name="ip" ng-model="form.ip" validator="ip"/>

<label>Huei (Custom setup the new validator - Function)</label>
<input type="text" name="huei" ng-model="form.huei" validator="huei"/>

<label>Kuaisheng (Custom setup the new validator - Function)</label>
<input type="text" name="kuaisheng" ng-model="form.kuaisheng" validator="kuaisheng"/>
// your module
angular.module('yourApp', ['validation'])
    .config(['$validationProvider', function ($validationProvider) {
        // Setup `ip` validation
        var expression = {
            ip: /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/
        };

        var validMsg = {
            ip: {
                error: 'This isn\'t ip address',
                success: 'It\'s ip'
            }
        };

        $validationProvider.setExpression(expression) // set expression
                          .setDefaultMsg(validMsg); // set valid message

        // Setup `huei` validation
        $validationProvider
            .setExpression({
                huei: function (value, scope, element, attrs) {
                    return value === 'Huei Tan';
                    // or you can do
                    return $q.all([obj]).then(function () {
                    // ...
                        return true;
                    })
                }
            })
            .setDefaultMsg({
                huei: {
                    error: 'This should be Huei Tan',
                    success: 'Thanks!'
                }
            });

        // Setup `kuaisheng` validation
        $validationProvider
            .setExpression({
                kuaisheng: function(value, scope, element, attrs, param) {
                  var errorStr = [
                    'errorStr1',
                    'errorStr2'
                  ];
                  var len = errorStr.length;
                  for (var i = len - 1; i >= 0; i--) {
                    if (value.indexOf(errorStr[i]) > -1) {
                      return {
                        result: false,
                        message: 'input should not include ' + errorStr[i]
                      };
                    }
                  }
                  return {
                    result: true,
                    message: ''
                  };
                }
            })
            .setDefaultMsg({
                kuaisheng: {
                  error: 'valid is error',
                  success: 'Thanks!'
                }
            });

    }]);

Check form whether valid, return true if valid. checkValid()

Reset the specific Form. reset()

<form name="Form">
    ...
    <!-- Check the entire form valid from angular-validation `valid` -->
    <button ng-disabled="!form.checkValid()"></button>
    <!-- or Check the specific form(Form) valid from angular `$valid` -->
    <button ng-disabled="!form.checkValid(Form)"></button>
    <!-- Reset the specific Form -->
    <button ng-click="form.reset(Form)"></button>
    <!-- Clean Reset (angular validation 1.2.0) -->
    <button validation-reset="Form"></button>
</form>
    // ... checkValid
    $scope.form.checkValid = validationProvider.checkValid;
    // ... reset
    $scope.form.reset = function (form) {
        validationProvider.reset(form);
    };
    // ... angular validation 1.2.0 reset
    $scope.form.reset = function () {
        // Don't need include validationProvider.reset();
        // Focus on your ng-click action
    };

Set the valid/invalid message style CSS

<span><p class="validation-valid">Your valid message here<p></span>
<span><p class="validation-invalid">Your invalid message here<p></span>
.validation-valid {
    <!-- valid style -->
}

.validation-invalid {
    <!-- invalid style -->
}

Custom the valid/invalid message style HTML in .config(),

setErrorHTML(func) setSuccessHTML(func), input should be a function and given parameter which is the valid/invalid message declared in getDefaultMsg(),and finally return the HTML code

// your angular
.config(['$validationProvider', function ($validationProvider) {
    $validationProvider.setErrorHTML(function (msg, element, attrs) {
        // remember to return your HTML
        // eg: return '<p class="invalid">' + msg + '</p>';
        // or using filter
        // eg: return '<p class="invalid">{{"' + msg + '"| lowercase}}</p>';
    });

    $validationProvider.setSuccessHTML(function (msg, element, attrs) {
        // eg: return '<p class="valid">' + msg + '</p>';
        // or using filter
        // eg: return '<p class="valid">{{"' + msg + '"| lowercase}}</p>';
    });
}]);

disable/enable show success/error message

default: true
Easily disable success/error message

// your angular
.config(['$validationProvider', function ($validationProvider) {
    $validationProvider.showSuccessMessage = false; // or true(default)
    $validationProvider.showErrorMessage = false; // or true(default)
}]);

Multiple validators

Use commas to separate multiple validators.

<input type="text" validator="required, url" name="url" ng-model="form.url"/>

Validator parameters

The built in maxlength and minlength validators use parameters to configure the limits. For example:

<input type="text" name="username" ng-model="form.username" validator="maxlength=6"/>

You can use parameters in your custom validators in the same way. You can access this parameter in the validation expression like so:

<input type="text" name="code" ng-model="form.code" validator="isstring=test"/>
// your module
angular.module('yourApp', ['validation'])
    .config(['$validationProvider', function ($validationProvider) {
        // Setup `isstring` validation
        $validationProvider
            .setExpression({
                isstring: function (value, scope, element, attrs, param) {
                    return value === param;
                }
            })
            .setDefaultMsg({
                isstring: {
                    error: 'This is not what we wanted!',
                    success: 'Thanks!'
                }
            });
    }]);

Customizable Initial Validation

Intial Validation for the input false. You can make it to true!

<!-- default false -->
<input type="text" name="firstName" ng-model="firstName" validator="required"/>

<!-- set to true -->
<input type="text" name="firstName" ng-model="firstName" validator="required" initial-validity="true"/>

Custom Error/Success Message Function

html

Declare your valid and invalid callback functions. Make sure to pass the message param.

<input type="text" ng-model="name" name="inputName" validator="required" valid-callback="validationValidHandler(message)" invalid-callback="validationInvalidHandler(message)">

Javascript

Now you can call your own function and have access to the message.

scope.validationValidHandler = function(message){
  // you now have access to the error message
  displayMessage(message, 'success');
};

scope.validationInvalidHandler = function(message){
  // you now have access to the error message
  displayMessage(message, 'error');
};

Setup a global valid/invalid/reset callback in config phase

// your module
angular.module('yourApp', ['validation'])
    .config(['$validationProvider', function ($validationProvider) {        
		$validationProvider.validCallback = function(element) {
			element.parents('.validator-container:first').removeClass('has-error').addClass('has-success-tick');
		};
		$validationProvider.invalidCallback = function(element) {
			element.parents('.validator-container:first').removeClass('has-success-tick').addClass('has-error');
		};
		$validationProvider.resetCallback = function(element) {
			element.parents('.validator-container:first').removeClass('has-error');
		};
    }]);

Setup Message Element in config phase

WHY

<div>
    <label>
        <input type="text" name="fullName" validator="required" />
    </label>
    <!-- I WANT MY MESSAGE ELEMENT HERE INSTEAD AFTER input -->
</div>

HOW

In this case, I can use message-id attribute as a "get a job done" solution. Because, If you choose this solution It will increase your effort of manually putting message-id and define your own Message Element.

You can use addMsgElement as a better solution to centralize & automate your configurations.

// your module
angular.module('yourApp', ['validation'])
    .config(['$validationProvider', function ($validationProvider) {
        /**
        * Add your Msg Element
        * @param {DOMElement} element - Your input element
        * @return void
        */
        $validationProvider.addMsgElement = function(element) {
            // Insert my own Msg Element
            $(element).parent().append('<span></span>');
        };
        
        /**
        * Function to help validator get your Msg Element
        * @param {DOMElement} element - Your input element
        * @return {DOMElement}
        */
        $validationProvider.getMsgElement = function(element) {
            return $(element).parent().children().last();
        };

    }]);