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[project/fckeditor.git] / fckeditor.module

<?php\r
\r
/** \r
 * FCKEditor Module\r
 * \r
 * This module allows Drupal to replace textarea fields with FCKEditor. This HTML \r
 * text editor brings to the web many of the powerful functionalities of known \r
 * desktop editors like Word. It's really  lightweight and doesn't require any \r
 * kind of installation on the client computer.\r
 * \r
 * \r
 * FCKeditor - The text editor for internet\r
 * Copyright (C) 2003-2004 Frederico Caldeira Knabben\r
 * \r
 * Licensed under the terms of the GNU Lesser General Public License:\r
 * 		http://www.opensource.org/licenses/lgpl-license.php\r
 * \r
 * For further information visit:\r
 * 		http://www.fckeditor.net/\r
 *\r
 *\r
 * @version 1.0\r
 * @author  LatPro Inc (George)\r
 */\r
\r
\r
/**\r
 * Implementation of hook_help\r
 */\r
function fckeditor_help($section = '') {\r
	if ($section == 'admin/modules#description') {\r
		return $output = t("Allows Drupal to replace textarea fields with FCKEditor");\r
	}\r
	return $output;\r
}\r
\r
\r
/**\r
 * Implementation of hook_perm\r
 */\r
function fckeditor_perm() {\r
	return array('use fckeditor');\r
}\r
\r
\r
/**\r
 * Implementation of textarea\r
 */\r
function fckeditor_textarea($op, $name) {\r
	$output = '';\r
	$access = user_access('use fckeditor');\r
\r
	if ( fckeditor_is_compatible_client() && $access ) {\r
		if ( $op == 'pre' ) {\r
			$output = '';\r
		}\r
		if ( $op == 'post' ) {\r
			$output = "<script>document.getElementById('edit-$name').style.display = 'none';</script>";\r
			$output .= fckeditor_create_editor($name);\r
		}\r
	}\r
	return $output;\r
}\r
\r
/**\r
 * Implementation of hook_init().\r
 */\r
function fckeditor_init() {\r
	$output = '<script language="JavaScript1.2" src="modules/fckeditor/lib/fckeditor.js"></script>';\r
	drupal_set_html_head($output);\r
}\r
\r
\r
/**\r
 * Implementation of hook_setting().\r
 */\r
function fckeditor_settings() {\r
	$output = form_textfield(\r
		t("Base Path"), \r
		"fckeditor_base_path", \r
		variable_get("fckeditor_base_path", '/modules/fckeditor/lib/'), \r
		60, 255, t('The directory wich contains FCKEditor scripts'));\r
		\r
	$output .= form_select(\r
		t('Toolbar'), \r
		'fckeditor_toolbar', \r
		variable_get('fckeditor_toolbar', 'Default'), \r
		array('Default' => 'Default', 'Basic' => 'Basic'), \r
		t('The toolbar set.'));\r
\r
	$output .= form_select(\r
		t('Skin'), \r
		'fckeditor_skin', \r
		variable_get('fckeditor_skin', 'default'), \r
		array('default' => 'Default', 'silver' => 'Silver', 'office2003' => 'Office 2003'), \r
		t('The toolbar set.'));\r
\r
	$output .= form_select(\r
		t('Toolbar start expanded'), \r
		'fckeditor_toolbar_start_expanded', \r
		variable_get('fckeditor_toolbar_start_expanded', 'true'), \r
		array('true' => 'Yes', 'false' => 'No'), \r
		t('The toolbar start expanded or colapced.'));\r
\r
	$output .= form_textfield(\r
		t("Height"), \r
		"fckeditor_height", \r
		variable_get("fckeditor_height", 500), \r
		10, 10, t("height (pixels/percent)"));\r
		\r
	$output .= form_textfield(\r
		t("Width"), "fckeditor_width", \r
		variable_get("fckeditor_width", '100%'), \r
		10, 10, t("width (pixels/percent)"));\r
		\r
	return $output;\r
}  \r
\r
\r
\r
/**\r
 * This function create the HTML objects required for the FCKEditor\r
 */\r
function fckeditor_create_editor($name) {\r
	$html = '';\r
	$base_path = variable_get("fckeditor_base_path", '/modules/fckeditor/lib/');\r
	\r
	$link = "$base_path/editor/fckeditor.html?InstanceName=edit-$name";\r
	$link .= '&Toolbar=' . variable_get("fckeditor_toolbar", 'Default');\r
	\r
	$height = variable_get("fckeditor_height", '500');\r
	$width = variable_get("fckeditor_width", '100%');\r
	\r
	\r
	// Render the configurations hidden field.\r
	$html .= '<input type="hidden" id="edit-';\r
	$html .= $name;\r
	$html .= '___Config" value="';\r
	$html .= fckeditor_config_string();\r
	$html .= '">';\r
\r
	// Render the editor IFRAME.\r
	$html .= '<iframe id="edit-';\r
	$html .= $name;\r
	$html .= '___Frame" src="';\r
	$html .= $link;\r
	$html .= "\" width=\"$width\" height=\"$height\" frameborder=\"no\" scrolling=\"no\"></iframe>" ;\r
\r
	return $html;	\r
}\r
\r
\r
/**\r
 * Test if client support the FCKEditor\r
 */\r
function fckeditor_is_compatible_client() {\r
	$sAgent = $_SERVER['HTTP_USER_AGENT'] ;\r
	\r
	if ( strpos($sAgent, 'MSIE') !== false && strpos($sAgent, 'mac') === false && strpos($sAgent, 'Opera') === false ) {\r
		$iVersion = (int)substr($sAgent, strpos($sAgent, 'MSIE') + 5, 3);\r
		return ($iVersion >= 5.5);\r
	}\r
	else if ( strpos($sAgent, 'Gecko') !== false ) {\r
		$iVersion = (int)substr($sAgent, strpos($sAgent, 'Gecko/') + 6, 8) ;\r
		return ($iVersion >= 20030210) ;\r
	}\r
	else\r
		return false;\r
}\r
\r
\r
/**\r
 * Return the configuration string\r
 */\r
function fckeditor_config_string() {\r
	$base_path = variable_get("fckeditor_base_path", 'modules/fckeditor/lib');\r
	$skin = variable_get("fckeditor_skin", 'default');\r
	$start = variable_get('fckeditor_toolbar_start_expanded', 'true');\r
	\r
	$output = '&DefaultLanguage=en&AutoDetectLanguage=true';\r
	$output .= '&SkinPath=' . $base_path . "editor/skins/$skin/";\r
	$output .= '&ToolbarStartExpanded=' . $start;\r
	\r
	return $output;\r
}\r
?>