mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-30 00:55:00 +00:00
357 lines
8.2 KiB
JavaScript
357 lines
8.2 KiB
JavaScript
/*!
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* VisualEditor DataModel MWTemplateModel class.
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*
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* @copyright 2011-2014 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/*global mw*/
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/**
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* MediaWiki template model.
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*
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* @class
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* @extends ve.dm.MWTransclusionPartModel
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*
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* @constructor
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* @param {ve.dm.MWTransclusionModel} transclusion Transclusion
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* @param {Object} target Template target
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* @param {string} target.wt Original wikitext of target
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* @param {string} [target.href] Hypertext reference to target
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*/
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ve.dm.MWTemplateModel = function VeDmMWTemplateModel( transclusion, target ) {
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// Parent constructor
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ve.dm.MWTransclusionPartModel.call( this, transclusion );
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// Properties
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this.target = target;
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// TODO: Either here or in uses of this constructor we need to validate the title
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this.title = ( target.href && target.href.replace( /^(\.\.?\/)*/, '' ) ) || null;
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this.sequence = null;
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this.params = {};
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this.spec = new ve.dm.MWTemplateSpecModel( this );
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this.originalData = null;
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};
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/* Inheritance */
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OO.inheritClass( ve.dm.MWTemplateModel, ve.dm.MWTransclusionPartModel );
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/* Events */
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/**
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* @event add
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* @param {ve.dm.MWParameterModel} param Added param
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*/
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/**
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* @event remove
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* @param {ve.dm.MWParameterModel} param Removed param
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*/
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/* Static Methods */
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/**
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* Create from data.
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*
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* Data is in the format provided by Parsoid.
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*
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* @param {ve.dm.MWTransclusionModel} transclusion Transclusion template is in
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* @param {Object} data Template data
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* @returns {ve.dm.MWTemplateModel} New template model
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*/
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ve.dm.MWTemplateModel.newFromData = function ( transclusion, data ) {
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var key,
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template = new ve.dm.MWTemplateModel( transclusion, data.target, 'data' );
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for ( key in data.params ) {
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template.addParameter(
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new ve.dm.MWParameterModel( template, key, data.params[key].wt, 'data' )
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);
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}
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template.setOriginalData( data );
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return template;
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};
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/**
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* Create from name.
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*
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* Name is equivalent to what would be entered between double brackets, defaulting to the Template
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* namespace, using a leading colon to access other namespaces.
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*
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* @param {ve.dm.MWTransclusionModel} transclusion Transclusion template is in
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* @param {string} name Template name
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* @returns {ve.dm.MWTemplateModel} New template model
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*/
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ve.dm.MWTemplateModel.newFromName = function ( transclusion, name ) {
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var href = name;
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if ( href.charAt( 0 ) !== ':' ) {
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href = mw.config.get( 'wgFormattedNamespaces' )[10] + ':' + href;
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}
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// TODO: Do we need to account for the title being invalid?
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href = new mw.Title( href ).getPrefixedText();
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return new ve.dm.MWTemplateModel( transclusion, { 'href': href, 'wt': name }, 'user' );
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};
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/* Methods */
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/**
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* Get template target.
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*
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* @returns {Object} Template target
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*/
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ve.dm.MWTemplateModel.prototype.getTarget = function () {
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return this.target;
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};
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/**
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* Get template title.
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*
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* @returns {string|null} Template title, if available
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*/
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ve.dm.MWTemplateModel.prototype.getTitle = function () {
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return this.title;
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};
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/**
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* Get template specification.
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*
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* @returns {ve.dm.MWTemplateSpecModel} Template specification
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*/
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ve.dm.MWTemplateModel.prototype.getSpec = function () {
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return this.spec;
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};
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/**
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* Get all params.
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*
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* @returns {Object.<string,ve.dm.MWParameterModel>} Parameters keyed by name
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*/
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ve.dm.MWTemplateModel.prototype.getParameters = function () {
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return this.params;
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};
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/**
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* Get a parameter.
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*
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* @param {string} name Parameter name
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* @returns {ve.dm.MWParameterModel} Parameter
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*/
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ve.dm.MWTemplateModel.prototype.getParameter = function ( name ) {
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return this.params[name];
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};
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/**
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* Check if a parameter exists.
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*
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* @param {string} name Parameter name
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* @returns {boolean} Parameter exists
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*/
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ve.dm.MWTemplateModel.prototype.hasParameter = function ( name ) {
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var i, len, primaryName, names;
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// Check if name (which may be an alias) is present in the template
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if ( this.params[name] ) {
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return true;
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}
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// Check if the name is known at all
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if ( this.spec.isParameterKnown( name ) ) {
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primaryName = this.spec.getParameterName( name );
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// Check for primary name (may be the same as name)
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if ( this.params[primaryName] ) {
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return true;
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}
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// Check for other aliases (may include name)
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names = this.spec.getParameterAliases( primaryName );
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for ( i = 0, len = names.length; i < len; i++ ) {
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if ( this.params[names[i]] ) {
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return true;
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}
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}
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}
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return false;
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};
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/**
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* Get ordered list of parameter names.
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*
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* Numeric names, whether strings or real numbers, are placed at the begining, followed by
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* alphabetically sorted names.
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*
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* @returns {string[]} List of parameter names
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*/
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ve.dm.MWTemplateModel.prototype.getParameterNames = function () {
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var i, len, index, paramOrder, paramNames;
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if ( !this.sequence ) {
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paramOrder = this.spec.getParameterOrder();
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paramNames = ve.getObjectKeys( this.params );
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this.sequence = [];
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// Known parameters first
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for ( i = 0, len = paramOrder.length; i < len; i++ ) {
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index = paramNames.indexOf( paramOrder[i] );
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if ( index !== -1 ) {
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this.sequence.push( paramOrder[i] );
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paramNames.splice( index, 1 );
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}
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}
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// Unknown parameters in alpha-numeric order second, empty string at the very end
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paramNames.sort( function ( a, b ) {
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if ( a === '' ) {
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return 1;
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}
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if ( b === '' ) {
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return -1;
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}
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var aIsNaN = isNaN( a ),
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bIsNaN = isNaN( b );
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if ( aIsNaN && bIsNaN ) {
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// Two strings
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return a < b ? -1 : a === b ? 0 : 1;
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}
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if ( aIsNaN ) {
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// A is a string
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return 1;
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}
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if ( bIsNaN ) {
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// B is a string
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return -1;
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}
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// Two numbers
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return a - b;
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} );
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this.sequence.push.apply( this.sequence, paramNames );
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}
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return this.sequence;
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};
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/**
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* Get parameter from its ID.
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*
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* @param {string} id Parameter ID
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* @returns {ve.dm.MWParameterModel|null} Parameter with matching ID, null if no parameters match
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*/
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ve.dm.MWTemplateModel.prototype.getParameterFromId = function ( id ) {
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var name;
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for ( name in this.params ) {
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if ( this.params[name].getId() === id ) {
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return this.params[name];
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}
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}
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return null;
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};
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/**
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* Add a parameter to template.
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*
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* @param {ve.dm.MWParameterModel} param Parameter to add
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* @fires add
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*/
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ve.dm.MWTemplateModel.prototype.addParameter = function ( param ) {
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var name = param.getName();
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this.sequence = null;
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this.params[name] = param;
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this.spec.fill();
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param.connect( this, { 'change': [ 'emit', 'change' ] } );
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this.emit( 'add', param );
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this.emit( 'change' );
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};
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/**
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* Remove parameter from template.
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*
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* @param {ve.dm.MWParameterModel} param Parameter to remove
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* @fires remove
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*/
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ve.dm.MWTemplateModel.prototype.removeParameter = function ( param ) {
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if ( param ) {
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this.sequence = null;
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delete this.params[param.getName()];
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param.disconnect( this );
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this.emit( 'remove', param );
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this.emit( 'change' );
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}
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};
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/**
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* Add all non-existing required and suggested parameters, if any.
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*
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* @method
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*/
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ve.dm.MWTemplateModel.prototype.addPromptedParameters = function () {
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var i, len,
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spec = this.getSpec(),
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names = spec.getParameterNames();
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for ( i = 0, len = names.length; i < len; i++ ) {
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if (
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!this.params[name] &&
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(
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spec.isParameterRequired( names[i] ) ||
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spec.isParameterSuggested( names[i] )
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)
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) {
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this.addParameter( new ve.dm.MWParameterModel( this, names[i] ) );
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}
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}
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};
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/**
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* Set original data, to be used as a base for serialization.
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*
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* @returns {Object} Template data
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*/
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ve.dm.MWTemplateModel.prototype.setOriginalData = function ( data ) {
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this.originalData = data;
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};
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/**
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* @inheritdoc
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*/
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ve.dm.MWTemplateModel.prototype.serialize = function () {
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var name,
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template = ve.extendObject(
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this.originalData || {}, { 'target': this.getTarget(), 'params': {} }
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),
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params = this.getParameters();
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for ( name in params ) {
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if ( name === '' ) {
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continue;
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}
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template.params[params[name].getOriginalName()] = { 'wt': params[name].getValue() };
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}
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return { 'template': template };
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};
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/**
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* @inheritdoc
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*/
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ve.dm.MWTemplateModel.prototype.getWikitext = function () {
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var param,
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wikitext = this.getTarget().wt,
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params = this.getParameters();
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for ( param in params ) {
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if ( param === '' ) {
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continue;
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}
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wikitext += '|' + param + '=' +
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ve.dm.MWTransclusionNode.static.escapeParameter( params[param].getValue() );
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}
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return '{{' + wikitext + '}}';
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};
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