From 44ef6a0a3010770a87006e00d4b2e31343f07846 Mon Sep 17 00:00:00 2001
From: Hadi Nategh <hnategh@gmail.com>
Date: Tue, 23 Oct 2018 17:10:33 +0200
Subject: [PATCH] W.I.P. implementing TinyMCE editor and deprecating CKEditor:
 - Fix CKEditor widget - Fix editor doesn't work if no imageUpload is set

---
 api/js/etemplate/et2_widget_htmlarea.js | 10 ++-
 api/src/Etemplate/Widget/CkEditor.php   | 85 +++++++++++++++++++++++++
 api/src/Html/CkEditorConfig.php         |  4 +-
 3 files changed, 94 insertions(+), 5 deletions(-)
 create mode 100644 api/src/Etemplate/Widget/CkEditor.php

diff --git a/api/js/etemplate/et2_widget_htmlarea.js b/api/js/etemplate/et2_widget_htmlarea.js
index 5cf2e7f35c..32a5f56d61 100644
--- a/api/js/etemplate/et2_widget_htmlarea.js
+++ b/api/js/etemplate/et2_widget_htmlarea.js
@@ -100,17 +100,21 @@ var et2_htmlarea = (function(){ "use strict"; return et2_inputWidget.extend([et2
 		if(this.mode == 'ascii' || this.editor != null) return;
 		var imageUpload = '';
 
-		if (this.options.imageUpload[0] !== '/' && this.options.imageUpload.substr(0, 4) != 'http')
+		if (this.options.imageUpload && this.options.imageUpload[0] !== '/' && this.options.imageUpload.substr(0, 4) != 'http')
 		{
 			imageUpload = egw.ajaxUrl("EGroupware\\Api\\Etemplate\\Widget\\Vfs::ajax_htmlarea_upload")+
 						'&request_id='+this.getInstanceManager().etemplate_exec_id+'&widget_id='+this.options.imageUpload+'&type=htmlarea';
 			imageUpload = imageUpload.substr(egw.webserverUrl.length+1);
 		}
-		else
+		else if (imageUpload)
 		{
 			imageUpload = this.options.imageUpload.substr(egw.webserverUrl.length+1);
 		}
-
+		else
+		{
+			imageUpload = egw.ajaxUrl("EGroupware\\Api\\Etemplate\\Widget\\Vfs::ajax_htmlarea_upload")+
+						'&request_id='+this.getInstanceManager().etemplate_exec_id+'&type=htmlarea';
+		}
 		// default settings for initialization
 		var settings = {
 			target: this.htmlNode[0],
diff --git a/api/src/Etemplate/Widget/CkEditor.php b/api/src/Etemplate/Widget/CkEditor.php
new file mode 100644
index 0000000000..6a81b1b8b1
--- /dev/null
+++ b/api/src/Etemplate/Widget/CkEditor.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * EGroupware - eTemplate serverside ckeditor widget
+ *
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package api
+ * @subpackage etemplate
+ * @link http://www.egroupware.org
+ * @author Ralf Becker <RalfBecker@outdoor-training.de>
+ * @copyright 2002-16 by RalfBecker@outdoor-training.de
+ * @version $Id$
+ */
+
+namespace EGroupware\Api\Etemplate\Widget;
+
+use EGroupware\Api\Etemplate;
+use EGroupware\Api;
+
+/**
+ * eTemplate ckeditor widget
+ */
+class CkEditor extends Etemplate\Widget
+{
+
+	protected $legacy_options = 'mode,height,width,expand_toolbar,base_href';
+
+	public $attrs = array(
+		'height' => '400px',
+	);
+
+	/**
+	 * Fill config options
+	 *
+	 * @param string $cname
+	 */
+	public function beforeSendToClient($cname)
+	{
+		$form_name = self::form_name($cname, $this->id);
+
+		$config = Api\Html\CkEditorConfig::get_ckeditor_config_array($this->attrs['mode'], $this->attrs['height'],
+			$this->attrs['expand_toolbar'],$this->attrs['base_href']
+		);
+		// User preferences
+		$font = $GLOBALS['egw_info']['user']['preferences']['common']['rte_font'];
+		$font_size = Api\Html\CkEditorConfig::font_size_from_prefs();
+		$font_span = '<span style="width: 100%; display: inline; '.
+			($font?'font-family:'.$font.'; ':'').($font_size?'font-size:'.$font_size.'; ':'').
+			'">&#8203;</span>';
+		if (empty($font) && empty($font_size)) $font_span = '';
+		if($font_span)
+		{
+			$config['preference_style'] = $font_span;
+		}
+		self::$request->modifications[$form_name]['config'] = $config;
+	}
+
+	/**
+	 * Validate input
+	 *
+	 * Input is run throught HTMLpurifier, to make sure users can NOT enter javascript or other nasty stuff (XSS!).
+	 *
+	 * @param string $cname current namespace
+	 * @param array $expand values for keys 'c', 'row', 'c_', 'row_', 'cont'
+	 * @param array $content
+	 * @param array &$validated=array() validated content
+	 * @return boolean true if no validation error, false otherwise
+	 */
+	public function validate($cname, array $expand, array $content, &$validated=array())
+	{
+		$form_name = self::form_name($cname, $this->id, $expand);
+
+		if (!$this->is_readonly($cname, $form_name))
+		{
+			$value = self::get_array($content, $form_name);
+			// only purify for html, mode "ascii" is NO html and content get lost!
+			if ($this->attrs['mode'] != 'ascii')
+			{
+				$value = Api\Html\HtmLawed::purify($value, $this->attrs['validation_rules']);
+			}
+			$valid =& self::get_array($validated, $form_name, true);
+			if (true) $valid = $value;
+		}
+	}
+}
+Etemplate\Widget::registerWidget(__NAMESPACE__.'\\CkEditor', 'ckeditor');
diff --git a/api/src/Html/CkEditorConfig.php b/api/src/Html/CkEditorConfig.php
index b157b2680b..bad609570a 100644
--- a/api/src/Html/CkEditorConfig.php
+++ b/api/src/Html/CkEditorConfig.php
@@ -522,14 +522,14 @@ class CkEditorConfig
 	 * It helps to get CKEditor Browse server button to open VfsSelect widget
 	 * in client side.
 	 * @todo Once the ckeditor allows to overrride the Browse Server button handler
-	 * we should remove this function and handle everything in htmlarea widget in
+	 * we should remove this function and handle everything in ckeditor widget in
 	 * client side.
 	 */
 	public function vfsSelectHelper()
 	{
 		$tmp = new \EGroupware\Api\Etemplate('api.vfsSelectUI');
 		$response = \EGroupware\Api\Json\Response::get();
-		$response->call('window.opener.et2_htmlarea.buildVfsSelectForCKEditor',
+		$response->call('window.opener.et2_ckeditor.buildVfsSelectForCKEditor',
 				array('funcNum' => $_GET['CKEditorFuncNum']));
 		$response->call('window.close');
 		$tmp->exec('',array());