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File: SugarTinyMCE.php
<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
 * SugarCRM Community Edition is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by SugarCRM".
 ********************************************************************************/

/*********************************************************************************

 * Description:
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc. All Rights
 * Reserved. Contributor(s): ______________________________________..
 *********************************************************************************/


/**
 * PHP wrapper class for Javascript driven TinyMCE WYSIWYG HTML editor
 */
class SugarTinyMCE {
	var $jsroot = "include/javascript/tiny_mce/";
	var $customConfigFile = 'custom/include/tinyButtonConfig.php';
	var $customDefaultConfigFile = 'custom/include/tinyMCEDefaultConfig.php';
	var $buttonConfigs = array(
			'default' => array(
						'buttonConfig' => "code,help,separator,bold,italic,underline,strikethrough,separator,justifyleft,justifycenter,justifyright,
	                     					justifyfull,separator,forecolor,backcolor,separator,styleselect,formatselect,fontselect,fontsizeselect,",
	                    'buttonConfig2' => "cut,copy,paste,pastetext,pasteword,selectall,separator,search,replace,separator,bullist,numlist,separator,outdent,
	                     					indent,separator,ltr,rtl,separator,undo,redo,separator, link,unlink,anchor,image,separator,sub,sup,separator,charmap,
	                     					visualaid",
	                    'buttonConfig3' => "tablecontrols,separator,advhr,hr,removeformat,separator,insertdate,inserttime,separator,preview"),
	        'email_compose' => array(
						'buttonConfig' => "code,help,separator,bold,italic,underline,strikethrough,separator,bullist,numlist,separator,justifyleft,justifycenter,justifyright,
	                     					justifyfull,separator,forecolor,backcolor,separator,styleselect,formatselect,fontselect,fontsizeselect,",
	                    'buttonConfig2' => "",
	                    'buttonConfig3' => ""),
	        'email_compose_light' => array(
						'buttonConfig' => "code,help,separator,bold,italic,underline,strikethrough,separator,bullist,numlist,separator,justifyleft,justifycenter,justifyright,
	                     					justifyfull,separator,forecolor,backcolor,separator,styleselect,formatselect,fontselect,fontsizeselect,",
	                    'buttonConfig2' => "",
	                    'buttonConfig3' => ""),
	);

	var $pluginsConfig = array(
	    'email_compose_light' => 'insertdatetime,paste,directionality,safari',
        'email_compose' => 'advhr,insertdatetime,table,preview,paste,searchreplace,directionality,fullpage',
	);

	var $defaultConfig = array(
	    'convert_urls' => false,
        'valid_children' => '+body[style]',
	    'height' => 300,
		'width'	=> '100%',
		'theme'	=> 'advanced',
		'theme_advanced_toolbar_align' => "left",
		'theme_advanced_toolbar_location'	=> "top",
		'theme_advanced_buttons1'	=> "",
		'theme_advanced_buttons2'	=> "",
		'theme_advanced_buttons3'	=> "",
		'strict_loading_mode'	=> true,
		'mode'	=> 'exact',
		'language' => 'en',
	    'plugins' => 'advhr,insertdatetime,table,preview,paste,searchreplace,directionality',
		'elements'	=> '',
        'extended_valid_elements' => 'style[dir|lang|media|title|type],hr[class|width|size|noshade],@[class|style]',
        'content_css' => 'include/javascript/tiny_mce/themes/advanced/skins/default/content.css',
        'gecko_spellcheck' => 'true',
	);


	/**
	 * Sole constructor
	 */
	function SugarTinyMCE() {

		$this->overloadButtonConfigs();
		$this->overloadDefaultConfigs();
	}

	/**
	 * Returns the Javascript necessary to initialize a TinyMCE instance for a given <textarea> or <div>
	 * @param string target Comma delimited list of DOM ID's, <textarea id='someTarget'>
	 * @return string
	 */
	function getInstance($targets = "") {
		global $json;

		if(empty($json)) {
			$json = getJSONobj();
		}

		$config = $this->defaultConfig;
		//include tinymce lang file
        $lang = substr($GLOBALS['current_language'], 0, 2);
        if(file_exists('include/javascript/tiny_mce/langs/'.$lang.'.js'))
        {
			$config['language'] = $lang;
        }
		$config['directionality'] = SugarThemeRegistry::current()->directionality;
		$config['elements'] = $targets;
		$config['theme_advanced_buttons1'] = $this->buttonConfigs['default']['buttonConfig'];
		$config['theme_advanced_buttons2'] = $this->buttonConfigs['default']['buttonConfig2'];
		$config['theme_advanced_buttons3'] = $this->buttonConfigs['default']['buttonConfig3'];

		$jsConfig = $json->encode($config);

		$instantiateCall = '';
		if (!empty($targets)) {
			$exTargets = explode(",", $targets);
			foreach($exTargets as $instance) {
				//$instantiateCall .= "tinyMCE.execCommand('mceAddControl', false, document.getElementById('{$instance}'));\n";
			}
		}
		$path = getJSPath('include/javascript/tiny_mce/tiny_mce.js');
		$ret =<<<eoq
<script type="text/javascript" language="Javascript" src="$path"></script>

<script type="text/javascript" language="Javascript">
<!--
if (!SUGAR.util.isTouchScreen()) {
    tinyMCE.init({$jsConfig});
	{$instantiateCall}
}
else {
eoq;
$exTargets = explode(",", $targets);
foreach($exTargets as $instance) {
$ret .=<<<eoq
    document.getElementById('$instance').style.width = '100%';
    document.getElementById('$instance').style.height = '100px';
eoq;
}
$ret .=<<<eoq
}
-->
</script>

eoq;
		return $ret;
	}

    function getConfig($type = 'default') {
        global $json;

        if(empty($json)) {
            $json = getJSONobj();
        }

        $config = $this->defaultConfig;
        //include tinymce lang file
        $lang = substr($GLOBALS['current_language'], 0, 2);
        if(file_exists('include/javascript/tiny_mce/langs/'.$lang.'.js'))
			$config['language'] = $lang;
		$config['theme_advanced_buttons1'] = $this->buttonConfigs[$type]['buttonConfig'];
       	$config['theme_advanced_buttons2'] = $this->buttonConfigs[$type]['buttonConfig2'];
        $config['theme_advanced_buttons3'] = $this->buttonConfigs[$type]['buttonConfig3'];

        if(isset($this->pluginsConfig[$type]))
            $config['plugins'] = $this->pluginsConfig[$type];

        $jsConfig = $json->encode($config);
        return "var tinyConfig = ".$jsConfig.";";

    }

    /**
     * This function takes in html code that has been produced (and somewhat mauled) by TinyMCE
     * and returns a cleaned copy of it.
     *
     * @param $html
     * @return $html with all the tinyMCE specific html removed
     */
    function cleanEncodedMCEHtml($html) {
    	$html = str_replace("mce:script", "script", $html);
    	$html = str_replace("mce_src=", "src=", $html);
    	$html = str_replace("mce_href=", "href=", $html);
    	return $html;
    }

    /**
     * Reload the default button configs by allowing admins to specify
     * which tinyMCE buttons will be displayed in a separate config file.
     *
     */
    private function overloadButtonConfigs()
    {
        if( file_exists( $this->customConfigFile ) )
        {
            require_once($this->customConfigFile);

            if(!isset($buttonConfigs))
                return;

            foreach ($buttonConfigs as $k => $v)
            {
                if( isset($this->buttonConfigs[$k]) )
                    $this->buttonConfigs[$k] = $v;
            }
        }
    }
    
    /**
     * Reload the default tinyMCE config, preserving our default extended 
     * allowable tag set.
     *
     */
    private function overloadDefaultConfigs() 
    {
        if( file_exists( $this->customDefaultConfigFile ) )    
        {
            require_once($this->customDefaultConfigFile);
            
            if(!isset($defaultConfig))
                return;
            
            foreach ($defaultConfig as $k => $v)
            {
                if( isset($this->defaultConfig[$k]) ){
                	
                	if($k == "extended_valid_elements"){
                		$this->defaultConfig[$k] .= "," . $v;
                	}
                	else{
                		$this->defaultConfig[$k] = $v;
                	}
                }  	
            }
        }
    }
    
} // end class def