WB 2.08.x

<?php

// $Id: module.functions.php 1495 2011-08-11 15:53:59Z DarkViper $

/*

 Website Baker Project <http://www.websitebaker.org/>

 Copyright (C) 2004-2009, Ryan Djurovich

 Website Baker is free software; you can redistribute it and/or modify

 it under the terms of the GNU General Public License as published by

 the Free Software Foundation; either version 2 of the License, or

 (at your option) any later version.

 Website Baker 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 General Public License for more details.

 You should have received a copy of the GNU General Public License

 along with Website Baker; if not, write to the Free Software

 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

/**

	This file contains routines to edit the optional module files: frontend.css and backend.css

	Mechanism was introduced with WB 2.7 to provide a global solution for all modules

	To use this function, include this file from your module (e.g. from modify.php)

	Then simply call the function edit_css('your_module_directory') - that�s it

	NOTE: Some functions were added for module developers to make the creation of own module easier

*/

// Must include code to stop this file being access directly

if(defined('WB_PATH') == false) { die("Cannot access this file directly"); }

/*

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

 FUNCTIONS REQUIRED TO EDIT THE OPTIONAL MODULE CSS FILES

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

*/ 

// this function checks the validity of the specified module directory

if(!function_exists('check_module_dir')) {

	function check_module_dir($mod_dir) {

		// check if module directory is formal correct (only characters: "a-z,0-9,_,-")

		if(!preg_match('/^[a-z0-9_-]+$/iD', $mod_dir)) return '';

		// check if the module folder contains the required info.php file

		return (file_exists(WB_PATH .'/modules/' .$mod_dir .'/info.php')) ? $mod_dir : '';

	}

}

// this function checks if the specified optional module file exists

if (!function_exists('mod_file_exists')) {

	function mod_file_exists($mod_dir, $mod_file='frontend.css') {

  	// check if the module file exists

		return file_exists(WB_PATH .'/modules/' .$mod_dir .'/' .$mod_file);

	}

}

// this function displays the "Edit CSS" button in modify.php 

if (!function_exists('edit_module_css')) {

	function edit_module_css($mod_dir) {

		global $page_id, $section_id;

		// check if the required edit_module_css.php file exists

		if(!file_exists(WB_PATH .'/modules/edit_module_files.php')) return;

		// check if specified module directory is valid

		if(check_module_dir($mod_dir) == '') return;

		// check if frontend.css or backend.css exist

		$frontend_css = mod_file_exists($mod_dir, 'frontend.css');

		$backend_css = mod_file_exists($mod_dir, 'backend.css');

		// output the edit CSS submtin button if required

		if($frontend_css || $backend_css) {

			// default text used for the edit CSS routines if not defined in the WB core language files

			$edit_css_caption = (isset($GLOBALS['TEXT']['CAP_EDIT_CSS'])) ?$GLOBALS['TEXT']['CAP_EDIT_CSS'] :'Edit CSS';

			?>

			<form name="edit_module_file" action="<?php echo WB_URL .'/modules/edit_module_files.php?page_id='.$page_id;?>" 

				method="post" style="margin: 0; align:right;">

				<input type="hidden" name="page_id" value="<?php echo $page_id; ?>" />

				<input type="hidden" name="section_id" value="<?php echo $section_id; ?>" />

				<input type="hidden" name="mod_dir" value="<?php echo $mod_dir; ?>" />

				<input type="hidden" name="edit_file" value="<?php echo ($frontend_css) ? 'frontend.css' : 'backend.css';?>" />

				<input type="hidden" name="action" value="edit" />

				<input type="submit" value="<?php echo $edit_css_caption;?>" class="mod_<?php echo $mod_dir;?>_edit_css" />

			</form>

			<?php

    }

  }

}

// this function displays a button to toggle between CSS files (invoked from edit_css.php)

if (!function_exists('toggle_css_file')) {

	function toggle_css_file($mod_dir, $base_css_file = 'frontend.css') {

		global $page_id, $section_id;

		// check if the required edit_module_css.php file exists

		if(!file_exists(WB_PATH .'/modules/edit_module_files.php')) return;

		// check if specified module directory is valid

		if(check_module_dir($mod_dir) == '') return;

		// do sanity check of specified css file

		if(!in_array($base_css_file, array('frontend.css', 'backend.css'))) return;

		// display button to toggle between the two CSS files: frontend.css, backend.css

		$toggle_file = ($base_css_file == 'frontend.css') ? 'backend.css' : 'frontend.css';

		if(mod_file_exists($mod_dir, $toggle_file)) {

			?>

			<form name="toggle_module_file" action="<?php echo WB_URL .'/modules/edit_module_files.php?page_id='.$page_id;?>" method="post" style="margin: 0; align:right;">

				<input type="hidden" name="page_id" value="<?php echo $page_id; ?>" />

				<input type="hidden" name="section_id" value="<?php echo $section_id; ?>" />

				<input type="hidden" name="mod_dir" value="<?php echo $mod_dir; ?>" />

				<input type="hidden" name="edit_file" value="<?php echo $toggle_file; ?>" />

				<input type="hidden" name="action" value="edit" />

				<input type="submit" value="<?php echo ucwords($toggle_file);?>" class="mod_<?php echo $mod_dir;?>_edit_css" />

			</form>

			<?php

		}

  }

}

/*

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

 FUNCTIONS WHICH CAN BE USED BY MODULE DEVELOPERS FOR OWN MODULES (E.G. VIEW.PHP, MODIFY.PHP)

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

*/ 

// function to obtain the module language file depending on the backend language of the current user

if (!function_exists('get_module_language_file')) {

	function get_module_language_file($mymod_dir) {

		$mymod_dir = strip_tags($mymod_dir);

		if(file_exists(WB_PATH .'/modules/' .$mymod_dir .'/languages/' .LANGUAGE .'.php')) {

			// a module language file exists for the users backend language

			return (WB_PATH .'/modules/' .$mymod_dir .'/languages/' .LANGUAGE .'.php');

		} else {

			// an English module language file must exist in all multi-lingual modules

			if(file_exists(WB_PATH .'/modules/' .$mymod_dir .'/languages/EN.php')) {

				return (WB_PATH .'/modules/' .$mymod_dir .'/languages/EN.php');

			} else {

				echo '<p><strong>Error: </strong>';

				echo 'Default language file (EN.php) of module "' .htmlentities($mymod_dir) .'" does not exist.</p><br />';

				return false;

			}

		}

	}

}

// function to include module CSS files in <body> (only if WB < 2.6.7 or register_frontend_modfiles('css') not invoked in template)

if (!function_exists('include_module_css')) {

	function include_module_css($mymod_dir, $css_file) {

		if(!in_array(strtolower($css_file), array('frontend.css', 'backend.css'))) return;

		if($css_file == 'frontend.css') {

			// check if frontend.css needs to be included into the <body> section

			if(!((!function_exists('register_frontend_modfiles') || !defined('MOD_FRONTEND_CSS_REGISTERED')) &&

					file_exists(WB_PATH .'/modules/' .$mymod_dir .'/frontend.css'))) {

				return false;

			} 

		} else {

			// check if backend.css needs to be included into the <body> section

			global $admin;

			if(!(!method_exists($admin, 'register_backend_modfiles') && file_exists(WB_PATH .'/modules/' .$mymod_dir .'/backend.css'))) {

				return false;

			}

		}

		// include frontend.css or backend.css into the <body> section

		echo "\n".'<style type="text/css">'."\n";

  	include(WB_PATH .'/modules/' .$mymod_dir .'/' .$css_file);

  	echo "\n</style>\n";

		return true;

	}

}

// function to check if the optional module Javascript files are loaded into the <head> section

if (!function_exists('requires_module_js')) {

	function requires_module_js($mymod_dir, $js_file) {

		if(!in_array(strtolower($js_file), array('frontend.js', 'backend.js'))) {

			echo '<strong>Note: </strong>Javascript file "' .htmlentities($js_file) .'"

			specified in module "' .htmlentities($mymod_dir) .'" not valid.';

			return false;

		}

		if($js_file == 'frontend.js') {

			// check if frontend.js is included to the <head> section

			if(!defined('MOD_FRONTEND_JAVASCRIPT_REGISTERED')) {

				echo '<p><strong>Note:</strong> The module: "' .htmlentities($mymod_dir) .'" requires WB 2.6.7 or higher</p>

				<p>This module uses Javascript functions contained in frontend.js of the module.<br />

				Add the code below to the <head> section in the index.php of your template

				to ensure that module frontend.js files are automatically loaded if required.</p>

				<code style="color: #800000;">&lt;?php<br />if(function_exists(\'register_frontend_modfiles\')) { <br />

				&nbsp;&nbsp;register_frontend_modfiles(\'js\');<br />?&gt;</code><br />

				<p><strong>Tip:</strong> For WB 2.6.7 copy the code above to the index.php of your template.

				Then open the view.php of the "' .htmlentities($mymod_dir) .'" module and set the variable

				<code>$requires_frontend_js</code> to false. This may do the trick.</p><p>All WB versions below 2.6.7 needs

				to be upgraded to work with this module.</p>

				';

				return false;

			}

		} else {

			// check if backend.js is included to the <head> section

			global $admin;

				if(!method_exists($admin, 'register_backend_modfiles') && file_exists(WB_PATH .'/modules/' .$mymod_dir .'/backend.js')) {

				echo '<p><strong>Note:</strong> The module: "' .htmlentities($mymod_dir) .'" requires WB 2.6.7 or higher</p>

				<p>This module uses Javascript functions contained in backend.js of the module.<br />

				You need WB 2.6.7 or higher to ensure that module backend.js files are automatically loaded if required.</p>

				<p>Sorry, you can not use this tool with your WB installation, please upgrade to the latest WB version available.</p><br />

				';

				return false;

			}

		}

		return true;

	}

}

// function to check if the optional module Javascript files are loaded into the <body> section

if (!function_exists('requires_module_body_js')) {

	function requires_module_body_js($mymod_dir, $js_file) {

		if(!in_array(strtolower($js_file), array('frontend_body.js', 'backend_body.js'))) {

			echo '<strong>Note: </strong>Javascript file "' .htmlentities($js_file) .'"

			specified in module "' .htmlentities($mymod_dir) .'" not valid.';

			return false;

		}

		if($js_file == 'frontend_body.js') {

			// check if frontend_body.js is included to the <body> section

			if(!defined('MOD_FRONTEND_BODY_JAVASCRIPT_REGISTERED')) {

				echo '<p><strong>Note:</strong> The module: "' .htmlentities($mymod_dir) .'" requires WB 2.6.7 or higher</p>

				<p>This module uses Javascript functions contained in frontend_body.js of the module.<br />

				Add the code below before to the </body> section in the index.php of your template

				to ensure that module frontend_body.js files are automatically loaded if required.</p>

				<code style="color: #800000;">&lt;?php<br />if(function_exists(\'register_frontend_modfiles_body\')) { <br />

				&nbsp;&nbsp;register_frontend_modfiles_body(\'js\');<br />?&gt;</code><br />

				<p><strong>Tip:</strong> For WB 2.6.7 copy the code above to the index.php of your template.

				Then open the view.php of the "' .htmlentities($mymod_dir) .'" module and set the variable

				<code>$requires_frontend_body_js</code> to false. This may do the trick.</p><p>All WB versions below 2.6.7 needs

				to be upgraded to work with this module.</p>

				';

				return false;

			}

		} else {

			// check if backend_body.js is included to the <body> section

			global $admin;

				if(!method_exists($admin, 'register_backend_modfiles_body') && file_exists(WB_PATH .'/modules/' .$mymod_dir .'/backend_body.js')) {

				echo '<p><strong>Note:</strong> The module: "' .htmlentities($mymod_dir) .'" requires WB 2.6.7 or higher</p>

				<p>This module uses Javascript functions contained in backend_body.js of the module.<br />

				You need WB 2.6.7 or higher to ensure that module backend_body.js files are automatically loaded if required.</p>

				<p>Sorry, you can not use this tool with your WB installation, please upgrade to the latest WB version available.</p><br />

				';

				return false;

			}

		}

		return true;

	}

}