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