/**
 * @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */

/**
 * @fileOverview Plugin definition for the a11yhelp, which provides a dialog
 * with accessibility related help.
 */

( function() {
	var pluginName = 'a11yhelp',
		commandName = 'a11yHelp';

	CKEDITOR.plugins.add( pluginName, {
		requires: 'dialog',

		// List of available localizations.
		availableLangs: { ar: 1, bg: 1, ca: 1, cs: 1, cy: 1, da: 1, de: 1, el: 1, en: 1, eo: 1, es: 1, et: 1, fa: 1,
			fi: 1, fr: 1, 'fr-ca': 1, gl: 1, gu: 1, he: 1, hi: 1, hr: 1, hu: 1, id: 1, it: 1, ja: 1, km: 1, ko: 1,
			ku: 1, lt: 1, lv: 1, mk: 1, mn: 1, nb: 1, nl: 1, no: 1, pl: 1, pt: 1, 'pt-br': 1, ro: 1, ru: 1, si: 1,
			sk: 1, sl: 1, sq: 1, sr: 1, 'sr-latn': 1, sv: 1, th: 1, tr: 1, ug: 1, uk: 1, vi: 1, zh: 1, 'zh-cn': 1 },

		init: function( editor ) {
			var plugin = this;
			editor.addCommand( commandName, {
				exec: function() {
					var langCode = editor.langCode;
					langCode =
						plugin.availableLangs[ langCode ] ? langCode :
						plugin.availableLangs[ langCode.replace( /-.*/, '' ) ] ? langCode.replace( /-.*/, '' ) :
						'en';

					CKEDITOR.scriptLoader.load( CKEDITOR.getUrl( plugin.path + 'dialogs/lang/' + langCode + '.js' ), function() {
						editor.lang.a11yhelp = plugin.langEntries[ langCode ];
						editor.openDialog( commandName );
					} );
				},
				modes: { wysiwyg: 1, source: 1 },
				readOnly: 1,
				canUndo: false
			} );

			editor.setKeystroke( CKEDITOR.ALT + 48 /*0*/, 'a11yHelp' );
			CKEDITOR.dialog.add( commandName, this.path + 'dialogs/a11yhelp.js' );
		}
	} );
} )();