607abaa201
* Clarified naming: separated regions from region groups. * New utility functions for sorting and grouping languages. * JSHint fixes. * Added tests. Change-Id: I8153a2b89fbc7b9a7d6b7deeb87208efc9f4d021
133 lines
3.4 KiB
JavaScript
133 lines
3.4 KiB
JavaScript
(function( $ ) {
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"use strict";
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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.show();
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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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var that = this;
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this.addToRegion( langCode, regionCode );
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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
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*/
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addToRegion: function( langCode, region ) {
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var that = this,
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language = $.uls.data.languages[langCode];
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// TODO: This shouldn't happen.
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// This currently happens with some special cases, such as qqq and
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// some codes that are incorrectly used in Wikimedia projects for
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// historical reasons.
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if ( !language ) {
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console.log( "Definition for " + langCode + " was not found in the language database." );
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return;
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}
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var langName = that.options.languages[langCode];
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var 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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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', '#' ).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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column.append( $li );
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if ( that.options.clickhandler ) {
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$li.click( function() {
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that.options.clickhandler.call( this, langCode );
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} );
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}
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}
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},
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getColumn: function( regionCode ) {
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var $divRegionCode = $( 'div#' + regionCode );
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var $ul = $divRegionCode.find( 'ul:last' );
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if ( $ul.length === 0 || $ul.find( 'li' ).length >= 10 ) {
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$ul = $( '<ul>' );
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$divRegionCode.append( $ul );
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}
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$divRegionCode.show();
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return $ul;
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},
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show: function() {
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var that = this;
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$.each( $.uls.data.regiongroups, function( regionCode, regionIndex ) {
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var $section = $( '<div>' ).addClass( 'uls-lcd-region-section' ).prop( 'id', regionCode );
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$section.append( $( '<h3>' ).html( regionCode ) );
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// FIXME this is regioncode(NA, EU etc). Should be Proper localized region name.
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$section.append( $( '<ul>' ) );
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that.$element.append( $section );
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} );
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},
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empty: function() {
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this.$element.find( 'div ul' ).remove();
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this.$element.find( 'div' ).hide();
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},
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listen: function() {
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this.$element.scroll( function() {
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var inviewRegion = $( 'div.uls-lcd-region-section:in-viewport:first' ).attr( 'id' );
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var inview = $.uls.data.regiongroups[inviewRegion];
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$( 'div.uls-region' ).removeClass( 'active' );
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$( 'div#uls-region-' + inview ).addClass( 'active' );
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});
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}
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};
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$.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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