dd3d214cb5
* Move the invocation into the parens that contain the function. * unescaped regex * Do not wrap function literals in parens unless they are to be immediately invoked. Change-Id: Ib3360f88fb7674af0e857d8a84a91fdac1fd8487
260 lines
7.9 KiB
JavaScript
260 lines
7.9 KiB
JavaScript
/**
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* Universal Language Selector
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* Language category display component - Used for showing the search results,
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* grouped by regions, scripts
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*
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* Copyright (C) 2012 Alolita Sharma, Amir Aharoni, Arun Ganesh, Brandon Harris,
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* Niklas Laxström, Pau Giner, Santhosh Thottingal, Siebrand Mazeland and other
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* contributors. See CREDITS for a list.
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*
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* UniversalLanguageSelector is dual licensed GPLv2 or later and MIT. You don't
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* have to do anything special to choose one license or the other and you don't
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* have to notify anyone which license you are using. You are free to use
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* UniversalLanguageSelector in commercial projects as long as the copyright
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* header is left intact. See files GPL-LICENSE and MIT-LICENSE for details.
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*
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* @file
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* @ingroup Extensions
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* @licence GNU General Public Licence 2.0 or later
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* @licence MIT License
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*/
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(function( $ ) {
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"use strict";
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var noResultsTemplate = '\
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<div class="twelve columns uls-no-results-view">\
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<h2 class="eleven columns end offset-by-one">\
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No results found\
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</h2>\
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<div id="uls-no-found-more">\
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<div class="ten columns end offset-by-one">\
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<p>\
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You can search by language name, script name, ISO code of language or \
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you can browse by region:\
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<a class="uls-region-link" data-region="NA" href="#">America</a>,\
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<a class="uls-region-link" data-region="EU" href="#">Europe</a>,\
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<a class="uls-region-link" data-region="ME" href="#">Middle East</a>, \
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<a class="uls-region-link" data-region="AF" href="#">Africa</a>,\
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<a class="uls-region-link" data-region="AS" href="#">Asia</a>,\
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<a class="uls-region-link" data-region="PA" href="#">Pacific</a> or \
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<a class="uls-region-link" data-region="WW" href="#">Worldwide languages</a>.\
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</p>\
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</div>\
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</div>\
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</div>';
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var LanguageCategoryDisplay = function( element, options ) {
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this.$element = $( element );
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this.options = $.extend( {}, $.fn.lcd.defaults, options );
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this.$element.addClass( 'lcd' );
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this.regionDivs = {};
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this.$element.append( $(noResultsTemplate) );
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this.$noResults = this.$element.find( 'div.uls-no-results-view' );
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this.render();
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this.listen();
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};
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LanguageCategoryDisplay.prototype = {
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constructor: LanguageCategoryDisplay,
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append: function( langCode, regionCode ) {
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this.addToRegion( langCode, regionCode );
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this.$noResults.hide();
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},
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/**
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* Add the language to a region.
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* If the region parameter is given, add to that region alone
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* Otherwise to all regions that this language belongs.
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* @param langCode
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* @param region Optional region
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*/
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addToRegion: function( langCode, region ) {
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var that = this;
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var language = that.options.languages[langCode],
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langName = $.uls.data.autonym( langCode ) || language || langCode,
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regions = [];
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if ( region ) {
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regions.push( region );
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} else {
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regions = $.uls.data.regions( langCode );
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}
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// World wide languages need not be repeated in all regions.
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if ( $.inArray( 'WW', regions ) > -1 ) {
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regions = [ 'WW' ];
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}
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for ( var i = 0; i < regions.length; i++ ) {
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var regionCode = regions[i];
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var $li = $( '<li>' )
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.data( 'code', langCode )
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.append(
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$( '<a>' ).prop( 'href', '#' ).prop( 'title', language ).html( langName )
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);
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// Append the element to the column in the list
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var $column = that.getColumn( regionCode );
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var lastLanguage = $column.find( 'li:last' ).data( 'code' );
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if ( lastLanguage ) {
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var lastScriptGroup = $.uls.data.scriptGroupOfLanguage( lastLanguage ),
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currentScriptGroup = $.uls.data.scriptGroupOfLanguage( langCode );
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if ( lastScriptGroup !== currentScriptGroup ) {
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if ( $column.find( 'li' ).length > 2 ) {
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// If column already has 2 or more languages, add a new column
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$column = that.getColumn( regionCode, true );
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}
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}
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}
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$column.append( $li );
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}
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},
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/**
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* Get a column to add language.
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* @param String regionCode The region code
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* @param boolean forceNew whether a new column must be created or not
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*/
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getColumn: function( regionCode, forceNew ) {
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var $divRegionCode, $rowDiv, $ul;
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forceNew = forceNew || false;
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$divRegionCode = this.regionDivs[regionCode];
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$rowDiv = $divRegionCode.find( 'div.row:last' );
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$ul = $rowDiv.find( 'ul:last' );
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// Each column can have maximum 8 languages.
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if ( $ul.length === 0 || $ul.find( 'li' ).length >= 8 || forceNew ) {
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$ul = $( '<ul>' ).addClass( 'three columns end' );
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if ( $rowDiv.length === 0 || $rowDiv.find( 'ul' ).length >= 4 ) {
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$rowDiv = $( '<div>' ).addClass( 'row uls-language-block' );
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$divRegionCode.append( $rowDiv );
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$ul.addClass( 'offset-by-one' );
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}
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$rowDiv.append( $ul );
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}
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$divRegionCode.show();
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return $ul;
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},
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render: function() {
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var that = this;
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var $section;
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$.each( $.uls.data.regiongroups, function( regionCode, regionIndex ) {
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$section = $( '<div>' ).addClass( 'twelve columns uls-lcd-region-section' ).prop( 'id', regionCode );
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$section.append( $( '<h3>' ).addClass( 'eleven columns uls-lcd-region-section offset-by-one' ).html( regionCode ) );
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// FIXME this is regioncode(NA, EU etc). Should be proper localized region name.
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that.$element.append( $section );
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$section.hide();
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that.regionDivs[regionCode] = $section;
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} );
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this.$noResults.hide();
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},
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quicklist: function() {
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if ( $.isFunction( this.options.quickList ) ) {
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this.options.quickList = this.options.quickList();
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}
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if ( !this.options.quickList ) {
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return;
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}
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// Pick only the first elements, because we don't have room for more
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var quickList = this.options.quickList;
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quickList = quickList.slice( 0, 16 );
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quickList.sort( $.uls.data.sortByAutonym );
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var $quickListsection = $( '<div>' ).addClass( 'twelve columns uls-lcd-region-section' ).prop( 'id', 'uls-lcd-quicklist' );
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$quickListsection.append( $( '<h3>' ).addClass( 'eleven columns uls-lcd-region-section offset-by-one' ).text( 'Common languages' ) );
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this.$element.prepend( $quickListsection );
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this.regionDivs[ 'quick' ] = $quickListsection;
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for ( var i = 0; i < quickList.length; i++) {
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var $column = this.getColumn( 'quick', i % 4 === 0 );
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var langCode = quickList[i];
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var language = this.options.languages[langCode];
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var langName = $.uls.data.autonym( langCode ) || language || langCode;
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var $li = $( '<li>' )
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.data( 'code', langCode )
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.append(
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$( '<a>' ).prop( 'href', '#' ).prop( 'title', language ).html( langName )
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);
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$column.append( $li );
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}
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$quickListsection.show();
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return $quickListsection;
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},
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show: function() {
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if ( !this.regionDivs ) {
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this.render();
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}
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},
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empty: function() {
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this.$element.find( 'div.uls-language-block' ).remove();
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this.$element.find( 'div.uls-lcd-region-section' ).hide();
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},
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focus: function() {
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this.$element.focus();
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},
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noResults: function() {
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this.$noResults.show();
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var $suggestions = this.quicklist();
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$suggestions.find( 'h3' ).text( 'You may be interested in' );
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this.$noResults.find( 'h2' ).after( $suggestions );
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},
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listen: function() {
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var that = this;
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if ( this.options.clickhandler ) {
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this.$element.on( 'click', 'div.row li', function() {
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that.options.clickhandler.call( this, $( this ).data( 'code' ) );
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} );
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}
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// The region section need to be in sync with the map filter.
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that.$element.scroll( function () {
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if ( this.offsetHeight + this.scrollTop >= this.scrollHeight ) {
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that.$element.trigger( 'scrollend' );
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}
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} );
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}
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};
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$.fn.lcd = function( option ) {
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return this.each( function() {
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var $this = $( this ),
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data = $this.data( 'lcd' ),
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options = typeof option === 'object' && option;
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if ( !data ) {
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$this.data( 'lcd', ( data = new LanguageCategoryDisplay( this, options ) ) );
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}
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if ( typeof option === 'string') {
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data[option]();
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}
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} );
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};
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$.fn.lcd.defaults = {
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languages: null
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};
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$.fn.lcd.Constructor = LanguageCategoryDisplay;
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} ( jQuery ) );
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