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<pre class="prettyprint lang-js"><span id='Ext-data-validations'>/**
</span> * @author Ed Spencer
*
* This singleton contains a set of validation functions that can be used to validate any type of data. They are most
* often used in {@link Ext.data.Model Models}, where they are automatically set up and executed.
*/
Ext.define('Ext.data.validations', {
singleton: true,
<span id='Ext-data-validations-property-presenceMessage'> /**
</span> * @property {String} presenceMessage
* The default error message used when a presence validation fails.
*/
presenceMessage: 'must be present',
<span id='Ext-data-validations-property-lengthMessage'> /**
</span> * @property {String} lengthMessage
* The default error message used when a length validation fails.
*/
lengthMessage: 'is the wrong length',
<span id='Ext-data-validations-property-formatMessage'> /**
</span> * @property {String} formatMessage
* The default error message used when a format validation fails.
*/
formatMessage: 'is the wrong format',
<span id='Ext-data-validations-property-inclusionMessage'> /**
</span> * @property {String} inclusionMessage
* The default error message used when an inclusion validation fails.
*/
inclusionMessage: 'is not included in the list of acceptable values',
<span id='Ext-data-validations-property-exclusionMessage'> /**
</span> * @property {String} exclusionMessage
* The default error message used when an exclusion validation fails.
*/
exclusionMessage: 'is not an acceptable value',
<span id='Ext-data-validations-property-emailMessage'> /**
</span> * @property {String} emailMessage
* The default error message used when an email validation fails
*/
emailMessage: 'is not a valid email address',
<span id='Ext-data-validations-property-emailRe'> /**
</span> * @property {RegExp} emailRe
* The regular expression used to validate email addresses
*/
emailRe: /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/,
<span id='Ext-data-validations-method-presence'> /**
</span> * Validates that the given value is present.
* For example:
*
* validations: [{type: 'presence', field: 'age'}]
*
* @param {Object} config Config object
* @param {Object} value The value to validate
* @return {Boolean} True if validation passed
*/
presence: function(config, value) {
// No configs read, so allow just value to be passed
if (arguments.length === 1) {
value = config;
}
//we need an additional check for zero here because zero is an acceptable form of present data
return !!value || value === 0;
},
<span id='Ext-data-validations-method-length'> /**
</span> * Returns true if the given value is between the configured min and max values.
* For example:
*
* validations: [{type: 'length', field: 'name', min: 2}]
*
* @param {Object} config Config object
* @param {String} value The value to validate
* @return {Boolean} True if the value passes validation
*/
length: function(config, value) {
if (value === undefined || value === null) {
return false;
}
var length = value.length,
min = config.min,
max = config.max;
if ((min && length < min) || (max && length > max)) {
return false;
} else {
return true;
}
},
<span id='Ext-data-validations-method-email'> /**
</span> * Validates that an email string is in the correct format
* @param {Object} config Config object
* @param {String} email The email address
* @return {Boolean} True if the value passes validation
*/
email: function(config, email) {
return Ext.data.validations.emailRe.test(email);
},
<span id='Ext-data-validations-method-format'> /**
</span> * Returns true if the given value passes validation against the configured `matcher` regex.
* For example:
*
* validations: [{type: 'format', field: 'username', matcher: /([a-z]+)[0-9]{2,3}/}]
*
* @param {Object} config Config object
* @param {String} value The value to validate
* @return {Boolean} True if the value passes the format validation
*/
format: function(config, value) {
return !!(config.matcher && config.matcher.test(value));
},
<span id='Ext-data-validations-method-inclusion'> /**
</span> * Validates that the given value is present in the configured `list`.
* For example:
*
* validations: [{type: 'inclusion', field: 'gender', list: ['Male', 'Female']}]
*
* @param {Object} config Config object
* @param {String} value The value to validate
* @return {Boolean} True if the value is present in the list
*/
inclusion: function(config, value) {
return config.list && Ext.Array.indexOf(config.list,value) != -1;
},
<span id='Ext-data-validations-method-exclusion'> /**
</span> * Validates that the given value is not present in the configured `list`.
* For example:
*
* validations: [{type: 'exclusion', field: 'username', list: ['Admin', 'Operator']}]
*
* @param {Object} config Config object
* @param {String} value The value to validate
* @return {Boolean} True if the value is not present in the list
*/
exclusion: function(config, value) {
return config.list && Ext.Array.indexOf(config.list,value) == -1;
}
});</pre>
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