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/*!
* ULS-based language settings dialog for MediaWiki.
*
* 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
*/
( function () {
'use strict';
var closeRow, settingsMenu, settingsPanel, windowTemplate, panelsRow, buttonsRow;
closeRow = '<div class="row">' +
'<div class="uls-language-settings-close-block eight columns offset-by-four"><span id="languagesettings-close" class="uls-icon-close"></span></div>' +
'</div>';
settingsMenu = '<div class="four columns languagesettings-menu">' +
'<h1 data-i18n="ext-uls-language-settings-title"></h1>' +
'<div class="settings-menu-items">' +
'</div>' +
'</div>';
settingsPanel = '<div id="languagesettings-settings-panel" class="eight columns">' +
'</div>';
// Apply and Cancel buttons
buttonsRow = '<div class="row collapse language-settings-buttons">' +
'<div class="twelve columns">' +
'<button class="mw-ui-button uls-settings-cancel" data-i18n="ext-uls-language-settings-cancel"></button>' +
'<button class="mw-ui-button mw-ui-progressive active uls-settings-apply" data-i18n="ext-uls-language-settings-apply" disabled></button>' +
'</div>' +
'</div>' +
'</div>';
panelsRow = '<div class="row" id="languagesettings-panels">' +
settingsMenu +
settingsPanel +
'</div>';
windowTemplate = '<div style="display: block;" id="language-settings-dialog" class="language-settings-dialog grid uls-menu uls-wide">' +
closeRow +
panelsRow +
buttonsRow +
'</div>';
function LanguageSettings( element, options ) {
this.$element = $( element );
this.options = $.extend( {}, $.fn.languagesettings.defaults, options );
this.$window = $( this.options.template );
this.shown = false;
this.initialized = false;
this.left = this.options.left;
this.top = this.options.top;
this.modules = {};
this.$settingsPanel = this.$window.find( '#languagesettings-settings-panel' );
this.init();
this.listen();
}
LanguageSettings.prototype = {
constructor: LanguageSettings,
init: function () {
$( 'body' ).append( this.$window );
this.hide();
},
// Register all event listeners to the ULS language settings here.
listen: function () {
this.$element.on( 'click', this.click.bind( this ) );
this.$window.find( '#languagesettings-close, button.uls-settings-cancel' )
.on( 'click', mw.hook( 'mw.uls.settings.cancel' ).fire.bind( this ) );
this.$window.find( 'button.uls-settings-apply' )
.on( 'click', mw.hook( 'mw.uls.settings.apply' ).fire.bind( this ) );
// Hide the window when clicked outside
$( 'html' ).on( 'click', this.hide.bind( this ) );
// ... but when clicked on window do not hide.
this.$window.on( 'click', function ( event ) {
event.stopPropagation();
} );
// Map Escape to same action as the close button. This is keyup (and not keydown)
// because ULS also listens to keyup and we need to stop propagation.
this.$window.on( 'keyup', function ( event ) {
if ( event.which === 27 ) {
event.stopPropagation();
mw.hook( 'mw.uls.settings.cancel' ).fire();
}
} );
},
render: function () {
var modules,
languageSettings = this,
defaultModule = this.options.defaultModule;
// Get the name of all registered modules and list them in left side menu.
// Sort the modules based on id
modules = Object.keys( $.fn.languagesettings.modules ).sort();
modules.forEach( function ( moduleName ) {
if ( !defaultModule ) {
defaultModule = moduleName;
}
// Call render function on the current setting module.
languageSettings.initModule( moduleName, defaultModule === moduleName );
} );
},
/**
* Initialize the module.
* Render the link and settings area for a language setting module.
*
* @param {string} moduleName Name of the setting module
* @param {boolean} active boolean Make this module active and show by default
*/
initModule: function ( moduleName, active ) {
var $settingsTitle, $settingsText, $settingsLink,
languageSettings = this,
module = new $.fn.languagesettings.modules[ moduleName ]( languageSettings ),
$settingsMenuItems = languageSettings.$window.find( '.settings-menu-items' );
$settingsTitle = $( '<div>' )
.addClass( 'settings-title' )
.attr( 'data-i18n', module.nameI18n );
$settingsText = $( '<span>' )
.addClass( 'settings-text' )
.attr( 'data-i18n', module.descriptionI18n );
$settingsLink = $( '<button>' )
.addClass( moduleName + '-settings-block menu-section' )
.prop( 'id', moduleName + '-panel-trigger' )
.data( 'module', module )
.append(
$settingsTitle,
$settingsText
);
if ( active ) {
$settingsLink.addClass( 'active' );
}
$settingsMenuItems.append( $settingsLink );
$settingsLink.on( 'click', function () {
var $this = $( this );
$this.data( 'module' ).render();
if ( languageSettings.$window.is( ':visible' ) ) {
languageSettings.$window.scrollIntoView();
}
$settingsMenuItems.find( '.menu-section' ).removeClass( 'active' );
$this.addClass( 'active' );
} );
this.modules[ moduleName ] = module;
// Register cancel and apply hooks
mw.hook( 'mw.uls.settings.cancel' ).add( module.cancel.bind( module ) );
mw.hook( 'mw.uls.settings.apply' ).add( module.apply.bind( module ) );
},
position: function () {
this.top = this.top || this.$element.offset().top + this.$element.outerHeight();
this.left = this.left || '25%';
this.$window.css( {
top: this.top,
left: this.left
} );
},
i18n: function () {
this.$window.i18n();
},
show: function () {
this.position();
if ( !this.initialized ) {
this.render();
this.initialized = true;
}
// Close other modal windows which listen to click events outside them
$( 'html' ).trigger( 'click' );
this.i18n();
// Every time we show this window, make sure the current
// settings panels is up-to-date. So just click on active menu item.
this.$window.find( '.settings-menu-items > .active' ).trigger( 'click' );
this.shown = true;
this.$window.show();
this.visible();
this.$window.scrollIntoView();
// For keyboard navigation, put the focus on an element inside the dialog
this.$window.find( '.menu-section.active' ).trigger( 'focus' );
},
/**
* A "hook" that runs after the ULS panel becomes visible
* by using the show method.
*
* To use it, pass a function as the onVisible parameter
* in the options when initializing ULS.
*/
visible: function () {
if ( this.options.onVisible ) {
this.options.onVisible.call( this );
}
},
/**
* Hide this window.
* Will be used when moving to a different context and
* need coming back.
*/
hide: function () {
this.shown = false;
this.$window.hide();
},
/**
* Put the language settings panel in busy mode.
* Busy mode means displaying a progress cursor,
* and showing the 'apply' button as disabled and with
* a different label.
*
* @param {boolean} busy set true to put the panel in busy mode,
* false to unset the busy mode.
*/
setBusy: function ( busy ) {
var $applyButton = this.$window.find( 'button.uls-settings-apply' );
if ( busy ) {
this.$window.addClass( 'waiting' );
$applyButton
.text( $.i18n( 'ext-uls-language-settings-applying' ) )
.prop( 'disabled', true );
} else {
this.$window.removeClass( 'waiting' );
$applyButton.text( $.i18n( 'ext-uls-language-settings-apply' ) );
}
},
/**
* Close this language settings window, and
* call onClose if defined from the previous context.
*/
close: function () {
if ( !this.shown ) {
return;
}
this.hide();
// optional callback
if ( this.options.onClose ) {
this.options.onClose();
}
},
click: function ( e ) {
e.stopPropagation();
e.preventDefault();
if ( this.shown ) {
this.hide();
} else {
this.show();
}
},
disableApplyButton: function () {
this.$window.find( 'button.uls-settings-apply' ).prop( 'disabled', true );
}
};
$.fn.languagesettings = function ( option ) {
return this.each( function () {
var $this = $( this ),
data = $this.data( 'languagesettings' ),
options = typeof option === 'object' && option;
if ( !data ) {
$this.data( 'languagesettings', ( data = new LanguageSettings( this, options ) ) );
}
if ( typeof option === 'string' ) {
data[ option ]();
}
} );
};
$.fn.languagesettings.modules = {};
$.fn.languagesettings.defaults = {
template: windowTemplate,
defaultModule: false, // Name of the default module
onClose: null, // An onClose event handler.
top: null, // Top position of this window
left: null, // Left position of this window
onVisible: null // A callback that runs after the ULS panel becomes visible
};
$.fn.languagesettings.Constructor = LanguageSettings;
}() );
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