115 lines
4.6 KiB
PHP
115 lines
4.6 KiB
PHP
<?php
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/**
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* @package Joomla.Plugin
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* @subpackage System.accessibility
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*
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* @copyright (C) 2020 Open Source Matters, Inc. <https://www.joomla.org>
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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namespace Joomla\Plugin\System\Accessibility\Extension;
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use Joomla\CMS\Plugin\CMSPlugin;
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// phpcs:disable PSR1.Files.SideEffects
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\defined('_JEXEC') or die;
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// phpcs:enable PSR1.Files.SideEffects
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/**
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* System plugin to add additional accessibility features to the administrator interface.
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*
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* @since 4.0.0
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*/
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final class Accessibility extends CMSPlugin
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{
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/**
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* Add the javascript for the accessibility menu
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*
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* @return void
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*
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* @since 4.0.0
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*/
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public function onBeforeCompileHead()
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{
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$section = $this->params->get('section', 'administrator');
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if ($section !== 'both' && $this->getApplication()->isClient($section) !== true) {
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return;
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}
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// Get the document object.
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$document = $this->getApplication()->getDocument();
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if ($document->getType() !== 'html') {
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return;
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}
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// Are we in a modal?
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if ($this->getApplication()->getInput()->get('tmpl', '', 'cmd') === 'component') {
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return;
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}
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// Load language file.
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$this->loadLanguage();
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// Determine if it is an LTR or RTL language
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$direction = $this->getApplication()->getLanguage()->isRtl() ? 'right' : 'left';
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// Detect the current active language
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$lang = $this->getApplication()->getLanguage()->getTag();
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/**
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* Add strings for translations in Javascript.
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* Reference https://ranbuch.github.io/accessibility/
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*/
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$document->addScriptOptions(
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'accessibility-options',
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[
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'labels' => [
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'menuTitle' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_MENU_TITLE'),
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'increaseText' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_INCREASE_TEXT'),
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'decreaseText' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_DECREASE_TEXT'),
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'increaseTextSpacing' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_INCREASE_SPACING'),
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'decreaseTextSpacing' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_DECREASE_SPACING'),
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'invertColors' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_INVERT_COLORS'),
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'grayHues' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_GREY'),
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'underlineLinks' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_UNDERLINE'),
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'bigCursor' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_CURSOR'),
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'readingGuide' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_READING'),
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'textToSpeech' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_TTS'),
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'speechToText' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_STT'),
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'resetTitle' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_RESET'),
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'closeTitle' => $this->getApplication()->getLanguage()->_('PLG_SYSTEM_ACCESSIBILITY_CLOSE'),
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],
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'icon' => [
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'position' => [
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$direction => [
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'size' => '0',
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'units' => 'px',
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],
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],
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'useEmojis' => $this->params->get('useEmojis') != 'false' ? true : false,
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],
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'hotkeys' => [
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'enabled' => true,
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'helpTitles' => true,
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],
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'textToSpeechLang' => [$lang],
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'speechToTextLang' => [$lang],
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]
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);
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$document->getWebAssetManager()
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->useScript('accessibility')
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->addInlineScript(
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'window.addEventListener("load", function() {'
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. 'new Accessibility(Joomla.getOptions("accessibility-options") || {});'
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. '});',
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['name' => 'inline.plg.system.accessibility'],
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['type' => 'module'],
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['accessibility']
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);
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}
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}
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