<?php

/**
 * @file plugins/generic/tinymce/TinyMCEPlugin.inc.php
 *
 * Copyright (c) 2014-2020 Simon Fraser University
 * Copyright (c) 2003-2020 John Willinsky
 * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
 *
 * @class TinyMCEPlugin
 * @ingroup plugins_generic_tinymce
 *
 * @brief TinyMCE WYSIWYG plugin for textareas - to allow cross-browser HTML editing
 */

import('lib.pkp.classes.plugins.GenericPlugin');

class TinyMCEPlugin extends GenericPlugin {
	/**
	 * @copydoc Plugin::register()
	 */
	function register($category, $path, $mainContextId = null) {
		if (parent::register($category, $path, $mainContextId)) {
			if ($this->getEnabled($mainContextId)) {
				HookRegistry::register('TemplateManager::display',array(&$this, 'registerJS'));
			}
			return true;
		}
		return false;
	}

	/**
	 * @copydoc Plugin::getContextSpecificPluginSettingsFile()
	 */
	function getContextSpecificPluginSettingsFile() {
		return $this->getPluginPath() . '/settings.xml';
	}

	/**
	 * @copydoc Plugin::getInstallSitePluginSettingsFile()
	 */
	function getInstallSitePluginSettingsFile() {
		return $this->getPluginPath() . '/settings.xml';
	}

	/**
	 * Determine whether the plugin can be disabled.
	 * @return boolean
	 */
	function getCanDisable() {
		return false;
	}

	/**
	 * Register the TinyMCE JavaScript file
	 *
	 * Hooked to the the `display` callback in TemplateManager
	 * @param $hookName string
	 * @param $args array
	 * @return boolean
	 */
	function registerJS($hookName, $args) {
		$request =& Registry::get('request');
		$templateManager =& $args[0];

		// Load the TinyMCE JavaScript file
		$min = Config::getVar('general', 'enable_minified') ? '.min' : '';
		$templateManager->addJavaScript(
			'tinymce',
			$request->getBaseUrl() . '/lib/pkp/lib/vendor/tinymce/tinymce/tinymce' . $min . '.js',
			array(
				'contexts' => 'backend',
			)
		);

		// Load the script data used by the JS library
		$data = [];
		$localeKey = substr(AppLocale::getLocale(), 0, 2);
		$localePath = $request->getBaseUrl() . '/plugins/generic/tinymce/langs/' . $localeKey . '.js';
		if (file_exists($localePath)) {
			$data['tinymceParams'] = [
				'language' => $localeKey,
				'language_url' => $localePath,
			];
		}
		$context = $request->getContext();
		$contextPath = $context ? $context->getPath() : CONTEXT_SITE;
		$data['uploadUrl'] = $request->getDispatcher()->url($request, ROUTE_API, $contextPath, '_uploadPublicFile');
		$templateManager->addJavaScript(
			'tinymceData',
			'$.pkp.plugins.generic = $.pkp.plugins.generic || {};' .
				'$.pkp.plugins.generic.' . strtolower(get_class($this)) . ' = ' . json_encode($data) . ';',
			[
				'inline' => true,
				'contexts' => 'backend',
			]
		);


		return false;
	}

	/**
	 * @copydoc Plugin::getDisplayName()
	 */
	function getDisplayName() {
		return __('plugins.generic.tinymce.name');
	}

	/**
	 * @copydoc Plugin::getDescription()
	 */
	function getDescription() {
		return __('plugins.generic.tinymce.description');
	}
}