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| Direktori : /www/varak.net/wiki.varak.net/resources/src/mediawiki.widgets/ |
| Current File : /www/varak.net/wiki.varak.net/resources/src/mediawiki.widgets/mw.widgets.TitleWidget.js |
/*!
* MediaWiki Widgets - TitleWidget class.
*
* @copyright 2011-2015 MediaWiki Widgets Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
( function () {
var hasOwn = Object.prototype.hasOwnProperty;
/**
* Mixin for title widgets
*
* @class
* @abstract
*
* @constructor
* @param {Object} [config] Configuration options
* @cfg {number} [limit=10] Number of results to show
* @cfg {number} [namespace] Namespace to prepend to queries
* @cfg {number} [maxLength=255] Maximum query length
* @cfg {boolean} [relative=true] If a namespace is set, display titles relative to it
* @cfg {boolean} [suggestions=true] Display search suggestions
* @cfg {boolean} [showRedirectTargets=true] Show the targets of redirects
* @cfg {boolean} [showImages] Show page images
* @cfg {boolean} [showDescriptions] Show page descriptions
* @cfg {boolean} [showMissing=true] Show missing pages
* @cfg {boolean} [addQueryInput=true] Add exact user's input query to results
* @cfg {boolean} [excludeCurrentPage] Exclude the current page from suggestions
* @cfg {boolean} [validateTitle=true] Whether the input must be a valid title
* @cfg {boolean} [required=false] Whether the input must not be empty
* @cfg {Object} [cache] Result cache which implements a 'set' method, taking keyed values as an argument
* @cfg {mw.Api} [api] API object to use, creates a default mw.Api instance if not specified
*/
mw.widgets.TitleWidget = function MwWidgetsTitleWidget( config ) {
// Config initialization
config = $.extend( {
maxLength: 255,
limit: 10
}, config );
// Properties
this.limit = config.limit;
this.maxLength = config.maxLength;
this.namespace = config.namespace !== undefined ? config.namespace : null;
this.relative = config.relative !== undefined ? config.relative : true;
this.suggestions = config.suggestions !== undefined ? config.suggestions : true;
this.showRedirectTargets = config.showRedirectTargets !== false;
this.showImages = !!config.showImages;
this.showDescriptions = !!config.showDescriptions;
this.showMissing = config.showMissing !== false;
this.addQueryInput = config.addQueryInput !== false;
this.excludeCurrentPage = !!config.excludeCurrentPage;
this.validateTitle = config.validateTitle !== undefined ? config.validateTitle : true;
this.cache = config.cache;
this.api = config.api || new mw.Api();
// Supports: IE10, FF28, Chrome23
this.compare = window.Intl && Intl.Collator ?
new Intl.Collator( mw.config.get( 'wgContentLanguage' ), { sensitivity: 'base' } ).compare :
null;
// Initialization
this.$element.addClass( 'mw-widget-titleWidget' );
};
/* Setup */
OO.initClass( mw.widgets.TitleWidget );
/* Static properties */
mw.widgets.TitleWidget.static.interwikiPrefixesPromiseCache = {};
/* Methods */
/**
* Get the current value of the search query
*
* @abstract
* @return {string} Search query
*/
mw.widgets.TitleWidget.prototype.getQueryValue = null;
/**
* Get the namespace to prepend to titles in suggestions, if any.
*
* @return {number|null} Namespace number
*/
mw.widgets.TitleWidget.prototype.getNamespace = function () {
return this.namespace;
};
/**
* Set the namespace to prepend to titles in suggestions, if any.
*
* @param {number|null} namespace Namespace number
*/
mw.widgets.TitleWidget.prototype.setNamespace = function ( namespace ) {
this.namespace = namespace;
};
mw.widgets.TitleWidget.prototype.getInterwikiPrefixesPromise = function () {
var api = this.getApi(),
cache = this.constructor.static.interwikiPrefixesPromiseCache,
key = api.defaults.ajax.url;
if ( !Object.prototype.hasOwnProperty.call( cache, key ) ) {
cache[ key ] = api.get( {
action: 'query',
meta: 'siteinfo',
siprop: 'interwikimap',
// Cache client-side for a day since this info is mostly static
maxage: 60 * 60 * 24,
smaxage: 60 * 60 * 24,
// Workaround T97096 by setting uselang=content
uselang: 'content'
} ).then( function ( data ) {
return data.query.interwikimap.map( function ( interwiki ) {
return interwiki.prefix;
} );
} );
}
return cache[ key ];
};
/**
* Get a promise which resolves with an API repsonse for suggested
* links for the current query.
*
* @return {jQuery.Promise} Suggestions promise
*/
mw.widgets.TitleWidget.prototype.getSuggestionsPromise = function () {
var req,
api = this.getApi(),
query = this.getQueryValue(),
widget = this,
promiseAbortObject = { abort: function () {
// Do nothing. This is just so OOUI doesn't break due to abort being undefined.
} };
if ( !mw.Title.newFromText( query ) ) {
// Don't send invalid titles to the API.
// Just pretend it returned nothing so we can show the 'invalid title' section
return $.Deferred().resolve( {} ).promise( promiseAbortObject );
}
return this.getInterwikiPrefixesPromise().then( function ( interwikiPrefixes ) {
var interwiki = query.substring( 0, query.indexOf( ':' ) );
if (
interwiki && interwiki !== '' &&
interwikiPrefixes.indexOf( interwiki ) !== -1
) {
return $.Deferred().resolve( { query: {
pages: [ {
title: query
} ]
} } ).promise( promiseAbortObject );
} else {
req = api.get( widget.getApiParams( query ) );
promiseAbortObject.abort = req.abort.bind( req ); // TODO ew
return req.then( function ( ret ) {
if ( widget.showMissing && ret.query === undefined ) {
ret = api.get( { action: 'query', titles: query } );
promiseAbortObject.abort = ret.abort.bind( ret );
}
return ret;
} );
}
} ).promise( promiseAbortObject );
};
/**
* Get API params for a given query
*
* @param {string} query User query
* @return {Object} API params
*/
mw.widgets.TitleWidget.prototype.getApiParams = function ( query ) {
var params = {
action: 'query',
prop: [ 'info', 'pageprops' ],
generator: 'prefixsearch',
gpssearch: query,
gpsnamespace: this.namespace !== null ? this.namespace : undefined,
gpslimit: this.limit,
ppprop: 'disambiguation'
};
if ( this.showRedirectTargets ) {
params.redirects = true;
}
if ( this.showImages ) {
params.prop.push( 'pageimages' );
params.pithumbsize = 80;
params.pilimit = this.limit;
}
if ( this.showDescriptions ) {
params.prop.push( 'description' );
}
return params;
};
/**
* Get the API object for title requests
*
* @return {mw.Api} MediaWiki API
*/
mw.widgets.TitleWidget.prototype.getApi = function () {
return this.api;
};
/**
* Get option widgets from the server response
*
* @param {Object} data Query result
* @return {OO.ui.OptionWidget[]} Menu items
*/
mw.widgets.TitleWidget.prototype.getOptionsFromData = function ( data ) {
var i, len, index, pageExists, pageExistsExact, suggestionPage, page, redirect, redirects,
currentPageName = new mw.Title( mw.config.get( 'wgRelevantPageName' ) ).getPrefixedText(),
items = [],
titles = [],
titleObj = mw.Title.newFromText( this.getQueryValue() ),
redirectsTo = {},
pageData = {};
if ( data.redirects ) {
for ( i = 0, len = data.redirects.length; i < len; i++ ) {
redirect = data.redirects[ i ];
redirectsTo[ redirect.to ] = redirectsTo[ redirect.to ] || [];
redirectsTo[ redirect.to ].push( redirect.from );
}
}
for ( index in data.pages ) {
suggestionPage = data.pages[ index ];
// When excludeCurrentPage is set, don't list the current page unless the user has type the full title
if ( this.excludeCurrentPage && suggestionPage.title === currentPageName && suggestionPage.title !== titleObj.getPrefixedText() ) {
continue;
}
pageData[ suggestionPage.title ] = {
known: suggestionPage.known !== undefined,
missing: suggestionPage.missing !== undefined,
redirect: suggestionPage.redirect !== undefined,
disambiguation: OO.getProp( suggestionPage, 'pageprops', 'disambiguation' ) !== undefined,
imageUrl: OO.getProp( suggestionPage, 'thumbnail', 'source' ),
description: suggestionPage.description,
// Sort index
index: suggestionPage.index,
originalData: suggestionPage
};
// Throw away pages from wrong namespaces. This can happen when 'showRedirectTargets' is true
// and we encounter a cross-namespace redirect.
if ( this.namespace === null || this.namespace === suggestionPage.ns ) {
titles.push( suggestionPage.title );
}
redirects = hasOwn.call( redirectsTo, suggestionPage.title ) ? redirectsTo[ suggestionPage.title ] : [];
for ( i = 0, len = redirects.length; i < len; i++ ) {
pageData[ redirects[ i ] ] = {
missing: false,
known: true,
redirect: true,
disambiguation: false,
description: mw.msg( 'mw-widgets-titleinput-description-redirect', suggestionPage.title ),
// Sort index, just below its target
index: suggestionPage.index + 0.5,
originalData: suggestionPage
};
titles.push( redirects[ i ] );
}
}
titles.sort( function ( a, b ) {
return pageData[ a ].index - pageData[ b ].index;
} );
// If not found, run value through mw.Title to avoid treating a match as a
// mismatch where normalisation would make them matching (T50476)
pageExistsExact = (
hasOwn.call( pageData, this.getQueryValue() ) &&
(
!pageData[ this.getQueryValue() ].missing ||
pageData[ this.getQueryValue() ].known
)
);
pageExists = pageExistsExact || (
titleObj &&
hasOwn.call( pageData, titleObj.getPrefixedText() ) &&
(
!pageData[ titleObj.getPrefixedText() ].missing ||
pageData[ titleObj.getPrefixedText() ].known
)
);
if ( this.cache ) {
this.cache.set( pageData );
}
// Offer the exact text as a suggestion if the page exists
if ( this.addQueryInput && pageExists && !pageExistsExact ) {
titles.unshift( this.getQueryValue() );
}
for ( i = 0, len = titles.length; i < len; i++ ) {
page = hasOwn.call( pageData, titles[ i ] ) ? pageData[ titles[ i ] ] : {};
items.push( this.createOptionWidget( this.getOptionWidgetData( titles[ i ], page ) ) );
}
return items;
};
/**
* Create a menu option widget with specified data
*
* @param {Object} data Data for option widget
* @return {OO.ui.MenuOptionWidget} Data for option widget
*/
mw.widgets.TitleWidget.prototype.createOptionWidget = function ( data ) {
return new mw.widgets.TitleOptionWidget( data );
};
/**
* Get menu option widget data from the title and page data
*
* @param {string} title Title object
* @param {Object} data Page data
* @return {Object} Data for option widget
*/
mw.widgets.TitleWidget.prototype.getOptionWidgetData = function ( title, data ) {
var mwTitle = new mw.Title( title ),
description = data.description;
if ( data.missing && !description ) {
description = mw.msg( 'mw-widgets-titleinput-description-new-page' );
}
return {
data: this.namespace !== null && this.relative ?
mwTitle.getRelativeText( this.namespace ) :
title,
url: mwTitle.getUrl(),
showImages: this.showImages,
imageUrl: this.showImages ? data.imageUrl : null,
description: this.showDescriptions ? description : null,
missing: data.missing,
redirect: data.redirect,
disambiguation: data.disambiguation,
query: this.getQueryValue(),
compare: this.compare
};
};
/**
* Get title object corresponding to given value, or #getQueryValue if not given.
*
* @param {string} [value] Value to get a title for
* @return {mw.Title|null} Title object, or null if value is invalid
*/
mw.widgets.TitleWidget.prototype.getMWTitle = function ( value ) {
var title = value !== undefined ? value : this.getQueryValue(),
// mw.Title doesn't handle null well
titleObj = mw.Title.newFromText( title, this.namespace !== null ? this.namespace : undefined );
return titleObj;
};
/**
* Check if the query is valid
*
* @return {boolean} The query is valid
*/
mw.widgets.TitleWidget.prototype.isQueryValid = function () {
if ( !this.validateTitle ) {
return true;
}
if ( !this.required && this.getQueryValue() === '' ) {
return true;
}
return !!this.getMWTitle();
};
}() );