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/**
* SMW Number DataItem JavaScript representation
*
* @see SMW\DINumber
*
* @since 1.9
*
* @file
* @ingroup SMW
*
* @licence GNU GPL v2 or later
* @author mwjames
*/
( function( $, mw, smw ) {
'use strict';
/**
* Inheritance class for the smw.dataItem constructor
*
* @since 1.9
*
* @class
* @abstract
*/
smw.dataItem = smw.dataItem || {};
/**
* Number constructor
*
* @since 1.9
*
* @param {number}
* @return {this}
*/
var number = function ( number ) {
this.number = number !== '' ? number : null;
return this;
};
/**
* Class constructor
*
* @since 1.9
*
* @class
* @constructor
* @extends smw.dataItem
*/
smw.dataItem.number = function( value ) {
if ( $.type( value ) === 'number' ) {
this.constructor( value );
} else {
throw new Error( 'smw.dataItem.number: invoked value must be a number but is of type ' + $.type( value ) );
}
};
/* Public methods */
smw.dataItem.number.prototype = {
constructor: number,
/**
* Returns type
*
* @since 1.9
*
* @return {string}
*/
getDIType: function() {
return '_num';
},
/**
* Returns a number together with the number constructor functions
*
* @since 1.9
*
* @return {number}
*/
getNumber: function() {
return Number( this.number );
},
/**
* Returns a plain value representation
*
* @since 1.9
*
* @return {string}
*/
getValue: function() {
return this.number;
}
};
// Alias
} )( jQuery, mediaWiki, semanticMediaWiki );
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