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