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mediawiki-extensions-Univer…/resources/ext.uls.lcd.js
Santhosh Thottingal 7a9b801a79 Introduce Language Category Display (LCD)
Introduce $.fn.lcd - displaying languages by categories.

Added the jquery.viewport.js module by Mika Tuupola (MIT license).

More tests for language utils.

Change-Id: I804b6da8ab0a2d518e17ae8bbd35e1c1da4bab3f
2012-07-02 10:20:16 +05:30

112 lines
2.9 KiB
JavaScript

(function( $ ) {
"use strict";
var LanguageCategoryDisplay = function( element, options ) {
this.$element = $( element );
this.options = $.extend( {}, $.fn.lcd.defaults, options );
this.$element.addClass( 'lcd' );
this.show();
this.listen();
};
LanguageCategoryDisplay.prototype = {
constructor: LanguageCategoryDisplay,
append: function( langCode, regionGroup ) {
var that = this;
this.addToRegion( langCode, regionGroup );
},
addToRegion: function( langCode, regionGroup ) {
var that = this,
language = $.uls.data.languages[langCode];
if ( !language ) {
console.log( "Definition for " + langCode + " was not found in the language database." );
return;
}
var langName = that.options.languages[langCode];
var regions = $.uls.data.regions( langCode );
for ( var i = 0; i < regions.length; i++ ) {
var regionCode = regions[i];
if ( regionGroup && regionCode !== regionGroup ) {
continue;
}
var $li = $( '<li>' )
.data( 'code', langCode )
.append(
$( '<a>' ).prop( 'href', '#' ).html( langName )
);
that.getColumn( regionCode ).append( $li );
if ( that.options.clickhandler ) {
$li.click( function() {
that.options.clickhandler.call( this, langCode );
} );
}
}
},
getColumn: function( regionCode ) {
var $ul = $( "div#" + regionCode ).find( 'ul:last' );
if ( $ul.length === 0 || $ul.find( 'li' ).length >= 10) {
$ul = $( '<ul>' );
$( 'div#' + regionCode ).append( $ul );
}
$( 'div#' + regionCode ).show();
return $ul;
},
show: function() {
var that = this;
$.each( $.uls.data.regiongroups, function( regionCode, regionIndex ) {
var $section = $( '<div>' ).addClass( 'uls-lcd-region-section' ).prop( 'id', regionCode );
$section.append( $( '<h3>' ).html( regionCode ) );
// FIXME this is regioncode(NA, EU etc). Should be Proper localized region name.
$section.append( $( '<ul>' ) );
that.$element.append( $section );
} );
},
empty: function() {
this.$element.find( 'div ul' ).remove();
this.$element.find( 'div' ).hide();
},
listen: function(){
this.$element.scroll( function() {
var inviewRegion = $( 'div.uls-lcd-region-section:in-viewport:first' ).attr( 'id' );
var inview = $.uls.data.regiongroups[inviewRegion];
$( 'div.uls-region' ).removeClass( 'active' );
$( 'div#uls-region-' + inview).addClass( 'active' );
});
}
};
$.fn.lcd = function( option ) {
return this.each( function() {
var $this = $( this ),
data = $this.data( 'lcd' ),
options = typeof option === 'object' && option;
if ( !data ) {
$this.data( 'lcd', ( data = new LanguageCategoryDisplay( this, options ) ) );
}
if ( typeof option === 'string') {
data[option]();
}
} );
};
$.fn.lcd.defaults = {
languages: null
};
$.fn.lcd.Constructor = LanguageCategoryDisplay;
} )( jQuery );