shubhadownloader/src/form/field/VTypes.js

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/**
 * @singleton
 * @alternateClassName Ext.form.VTypes
 *
 * This is a singleton object which contains a set of commonly used field validation functions
 * and provides a mechanism for creating reusable custom field validations.
 * The following field validation functions are provided out of the box:
 *
 * - {@link #alpha}
 * - {@link #alphanum}
 * - {@link #email}
 * - {@link #url}
 *
 * VTypes can be applied to a {@link Ext.form.field.Text Text Field} using the `{@link Ext.form.field.Text#vtype vtype}` configuration:
 *
 *     Ext.create('Ext.form.field.Text', {
 *         fieldLabel: 'Email Address',
 *         name: 'email',
 *         vtype: 'email' // applies email validation rules to this field
 *     });
 *
 * To create custom VTypes:
 *
 *     // custom Vtype for vtype:'time'
 *     var timeTest = /^([1-9]|1[0-9]):([0-5][0-9])(\s[a|p]m)$/i;
 *     Ext.apply(Ext.form.field.VTypes, {
 *         //  vtype validation function
 *         time: function(val, field) {
 *             return timeTest.test(val);
 *         },
 *         // vtype Text property: The error text to display when the validation function returns false
 *         timeText: 'Not a valid time.  Must be in the format "12:34 PM".',
 *         // vtype Mask property: The keystroke filter mask
 *         timeMask: /[\d\s:amp]/i
 *     });
 *
 * In the above example the `time` function is the validator that will run when field validation occurs,
 * `timeText` is the error message, and `timeMask` limits what characters can be typed into the field.
 * Note that the `Text` and `Mask` functions must begin with the same name as the validator function.
 *
 * Using a custom validator is the same as using one of the build-in validators - just use the name of the validator function
 * as the `{@link Ext.form.field.Text#vtype vtype}` configuration on a {@link Ext.form.field.Text Text Field}:
 *
 *     Ext.create('Ext.form.field.Text', {
 *         fieldLabel: 'Departure Time',
 *         name: 'departureTime',
 *         vtype: 'time' // applies custom time validation rules to this field
 *     });
 *
 * Another example of a custom validator:
 *
 *     // custom Vtype for vtype:'IPAddress'
 *     Ext.apply(Ext.form.field.VTypes, {
 *         IPAddress:  function(v) {
 *             return /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/.test(v);
 *         },
 *         IPAddressText: 'Must be a numeric IP address',
 *         IPAddressMask: /[\d\.]/i
 *     });
 *
 * It's important to note that using {@link Ext#apply Ext.apply()} means that the custom validator function
 * as well as `Text` and `Mask` fields are added as properties of the `Ext.form.field.VTypes` singleton.
 */
Ext.define('Ext.form.field.VTypes', (function(){
    // closure these in so they are only created once.
    var alpha = /^[a-zA-Z_]+$/,
        alphanum = /^[a-zA-Z0-9_]+$/,
        email = /^(\w+)([\-+.][\w]+)*@(\w[\-\w]*\.){1,5}([A-Za-z]){2,6}$/,
        url = /(((^https?)|(^ftp)):\/\/([\-\w]+\.)+\w{2,3}(\/[%\-\w]+(\.\w{2,})?)*(([\w\-\.\?\\\/+@&#;`~=%!]*)(\.\w{2,})?)*\/?)/i;

    // All these messages and functions are configurable
    return {
        singleton: true,
        alternateClassName: 'Ext.form.VTypes',

        /**
         * The function used to validate email addresses. Note that this is a very basic validation - complete
         * validation per the email RFC specifications is very complex and beyond the scope of this class, although this
         * function can be overridden if a more comprehensive validation scheme is desired. See the validation section
         * of the [Wikipedia article on email addresses][1] for additional information. This implementation is intended
         * to validate the following emails:
         *
         * - `barney@example.de`
         * - `barney.rubble@example.com`
         * - `barney-rubble@example.coop`
         * - `barney+rubble@example.com`
         *
         * [1]: http://en.wikipedia.org/wiki/E-mail_address
         *
         * @param {String} value The email address
         * @return {Boolean} true if the RegExp test passed, and false if not.
         */
        'email' : function(v){
            return email.test(v);
        },
        //<locale>
        /**
         * @property {String} emailText
         * The error text to display when the email validation function returns false.
         * Defaults to: 'This field should be an e-mail address in the format "user@example.com"'
         */
        'emailText' : 'This field should be an e-mail address in the format "user@example.com"',
        //</locale>
        /**
         * @property {RegExp} emailMask
         * The keystroke filter mask to be applied on email input. See the {@link #email} method for information about
         * more complex email validation. Defaults to: /[a-z0-9_\.\-@]/i
         */
        'emailMask' : /[a-z0-9_\.\-@\+]/i,

        /**
         * The function used to validate URLs
         * @param {String} value The URL
         * @return {Boolean} true if the RegExp test passed, and false if not.
         */
        'url' : function(v){
            return url.test(v);
        },
        //<locale>
        /**
         * @property {String} urlText
         * The error text to display when the url validation function returns false.
         * Defaults to: 'This field should be a URL in the format "http:/'+'/www.example.com"'
         */
        'urlText' : 'This field should be a URL in the format "http:/'+'/www.example.com"',
        //</locale>

        /**
         * The function used to validate alpha values
         * @param {String} value The value
         * @return {Boolean} true if the RegExp test passed, and false if not.
         */
        'alpha' : function(v){
            return alpha.test(v);
        },
        //<locale>
        /**
         * @property {String} alphaText
         * The error text to display when the alpha validation function returns false.
         * Defaults to: 'This field should only contain letters and _'
         */
        'alphaText' : 'This field should only contain letters and _',
        //</locale>
        /**
         * @property {RegExp} alphaMask
         * The keystroke filter mask to be applied on alpha input. Defaults to: /[a-z_]/i
         */
        'alphaMask' : /[a-z_]/i,

        /**
         * The function used to validate alphanumeric values
         * @param {String} value The value
         * @return {Boolean} true if the RegExp test passed, and false if not.
         */
        'alphanum' : function(v){
            return alphanum.test(v);
        },
        //<locale>
        /**
         * @property {String} alphanumText
         * The error text to display when the alphanumeric validation function returns false.
         * Defaults to: 'This field should only contain letters, numbers and _'
         */
        'alphanumText' : 'This field should only contain letters, numbers and _',
        //</locale>
        /**
         * @property {RegExp} alphanumMask
         * The keystroke filter mask to be applied on alphanumeric input. Defaults to: /[a-z0-9_]/i
         */
        'alphanumMask' : /[a-z0-9_]/i
    };
}()));