Files
mediawiki-extensions-Univer…/resources/ext.uls.languagefilter.js
Santhosh Thottingal b1b7c2feb3 Use grid based css design (made css resets local)
Introduced foundation based grid css
Related changes in example, template html

Change-Id: I8b1c1bae1c733ea0ed997d8317b9954592cf6eca
2012-07-23 16:49:00 +05:30

223 lines
6.5 KiB
JavaScript

/**
* jQuery language filter plugin.
*
* Copyright (C) 2012 Alolita Sharma, Amir Aharoni, Arun Ganesh, Brandon Harris,
* Niklas Laxström, Pau Giner, Santhosh Thottingal, Siebrand Mazeland and other
* contributors. See CREDITS for a list.
*
* UniversalLanguageSelector is dual licensed GPLv2 or later and MIT. You don't
* have to do anything special to choose one license or the other and you don't
* have to notify anyone which license you are using. You are free to use
* UniversalLanguageSelector in commercial projects as long as the copyright
* header is left intact. See files GPL-LICENSE and MIT-LICENSE for details.
*
* @file
* @ingroup Extensions
* @licence GNU General Public Licence 2.0 or later
* @licence MIT License
*/
/**
* Usage: $( 'inputbox' ).languagefilter();
* The values for autocompletion is from the options.languages.
* The data is in the format of languagecode:languagename.
*/
(function ( $ ) {
"use strict";
var LanguageFilter = function( element, options ) {
this.$element = $( element );
this.options = $.extend( {}, $.fn.regionselector.defaults, options );
this.$element.addClass( 'languagefilter' );
this.listen();
};
LanguageFilter.prototype = {
listen: function() {
this.$element.on( 'keyup', $.proxy( this.keyup, this ));
if ( $.browser.webkit || $.browser.msie ) {
this.$element.on( 'keydown', $.proxy( this.keyup, this ) );
}
},
keyup: function( e ) {
this.options.$target.empty();
this.search();
},
search: function() {
var that = this;
var languages = this.options.languages;
var query = this.$element.val();
var allLanguages = $.uls.data.allLanguagesByScriptGroup();
for ( var scriptGroup in allLanguages ) {
for ( var langNum = 0; langNum < allLanguages[scriptGroup].length; langNum++ ) {
var langCode = allLanguages[scriptGroup][langNum];
if ( languages[langCode] !== undefined && ( query === "" || that.filter( langCode, query ) ) )
{
that.render( langCode );
}
}
}
},
render: function( langCode ) {
var that = this;
var $target = this.options.$target;
if ( !$target ) {
return;
}
$target.append( langCode );
},
escapeRegex: function( value ) {
return value.replace( /[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&" );
},
/**
* A search match happens if any of the following passes:
* a) Language name in current user interface language
* 'starts with' or 'contains' search string.
* b) Language autonym 'starts with' or 'contains' search string.
* c) ISO 639 code match with search string.
* d) ISO 15924 code for the script match the search string.
*/
filter: function( langCode, searchTerm ) {
// FIXME script is ISO 15924 code. We might need actual name of script.
var matcher = new RegExp( this.escapeRegex( searchTerm ), 'i' );
var languageName = this.options.languages[langCode];
return matcher.test( languageName ) ||
matcher.test( $.uls.data.autonym( langCode ) ) ||
matcher.test( langCode ) ||
matcher.test( $.uls.data.script( langCode ) );
}
};
$.fn.languagefilter = function( option ) {
return this.each( function() {
var $this = $( this ),
data = $this.data( 'languagefilter' ),
options = typeof option === 'object' && option;
if ( !data ) {
$this.data( 'languagefilter', ( data = new LanguageFilter( this, options ) ) );
}
if ( typeof option === 'string' ) {
data[option]();
}
} );
};
$.fn.languagefilter.defaults = {
$target: null, // Where to append the results
languages: null, // Languages as code:name format. Default values come from data.languages.
clickhandler: null
};
$.fn.languagefilter.Constructor = LanguageFilter;
/* RegionSelector Plugin Definition */
/**
* Region selector is a language selector based on regions.
* Usage: $( 'jqueryselector' ).regionselector( options );
* The attached element should have data-regiongroup attribute
* that defines the regiongroup for the selector.
*/
var RegionSelector = function( element, options ) {
this.$element = $( element );
this.options = $.extend( {}, $.fn.regionselector.defaults, options );
this.$element.addClass( 'regionselector' );
this.listen();
this.regionGroup = this.$element.data( 'regiongroup' );
};
RegionSelector.prototype = {
constructor: RegionSelector,
test: function( langCode ) {
var that = this,
regionGroups = $.uls.data.regiongroups,
regions = $.uls.data.regions( langCode );
// 1. loop over all regiongroups - like {EU: 2, AF: 2, AS: 3 ...}
// 2. check that the region matches the active region group
// 3. if this language is included in that region, show it
// 4. if none of the conditions match, the language is not shown
$.each( regionGroups, function( region, regionGroup) {
if ( regionGroup === that.regionGroup && $.inArray( region, regions ) >= 0 ) {
that.render( langCode, region );
return;
}
} );
},
show: function() {
var that = this;
// Make the selected region (and it only) active
$( '.regionselector' ).removeClass( 'active' );
that.$element.addClass( 'active' );
// Repopulate the list of languages
that.options.$target.empty();
var regions = $.uls.data.regionsInGroup( that.regionGroup );
var languagesInRegion = $.uls.data.languagesByScriptGroupInRegions( regions );
for ( var scriptGroup in languagesInRegion ) {
for ( var langNum = 0; langNum < languagesInRegion[scriptGroup].length; langNum++ ) {
that.test( languagesInRegion[scriptGroup][langNum] );
}
}
if ( that.options.callback ) {
that.options.callback.call();
}
},
render: function( langCode, region ) {
var $target = this.options.$target;
if ( !$target ) {
return;
}
$target.append( langCode, region );
},
listen: function() {
this.$element.on( 'click', $.proxy( this.click, this ) );
},
click: function( e ) {
e.stopPropagation();
e.preventDefault();
this.show();
}
};
/* RegionSelector Plugin Definition */
$.fn.regionselector = function( option ) {
return this.each( function() {
var $this = $( this ),
data = $this.data( 'regionselector' ),
options = typeof option === 'object' && option;
if ( !data ) {
$this.data( 'regionselector', ( data = new RegionSelector( this, options ) ) );
}
if ( typeof option === 'string' ) {
data[option]();
}
} );
};
$.fn.regionselector.defaults = {
$target: null, // Where to render the results. Must be a ul element
callback: null // Callback - will be called after results are displayed.
};
$.fn.regionselector.Constructor = RegionSelector;
} )( jQuery );