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- <?php // $Id: course_category.php 20648 2009-05-14 17:34:11Z cvargas1 $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004 Dokeos S.A.
- Copyright (c) 2003 Ghent University (UGent)
- Copyright (c) 2001 Universite catholique de Louvain (UCL)
- Copyright (c) Olivier Brouckaert
- For a full list of contributors, see "credits.txt".
- The full license can be read in "license.txt".
- This program 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.
- See the GNU General Public License for more details.
- Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
- ==============================================================================
- */
- /**
- ==============================================================================
- * @package dokeos.admin
- * @todo use formvalidator for the form
- ==============================================================================
- */
- // name of the language file that needs to be included
- $language_file='admin';
- $cidReset=true;
- require('../inc/global.inc.php');
- $this_section=SECTION_PLATFORM_ADMIN;
- require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
- api_protect_admin_script();
- $category=$_GET['category'];
- $action=$_GET['action'];
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY);
- $errorMsg='';
- if(!empty($action))
- {
- if($action == 'delete')
- {
- deleteNode($_GET['id']);
- header('Location: '.api_get_self().'?category='.Security::remove_XSS($category));
- exit();
- }
- elseif(($action == 'add' || $action == 'edit') && $_POST['formSent'])
- {
- $_POST['categoryCode']=trim($_POST['categoryCode']);
- $_POST['categoryName']=trim($_POST['categoryName']);
- if(!empty($_POST['categoryCode']) && !empty($_POST['categoryName']))
- {
- if($action == 'add')
- {
- $ret=addNode($_POST['categoryCode'],$_POST['categoryName'],$_POST['canHaveCourses'],$category);
- }
- else
- {
- $ret=editNode($_POST['categoryCode'],$_POST['categoryName'],$_POST['canHaveCourses'],$_GET['id']);
- }
- if($ret)
- {
- $action='';
- }
- else
- {
- $errorMsg=get_lang('CatCodeAlreadyUsed');
- }
- }
- else
- {
- $errorMsg=get_lang('PleaseEnterCategoryInfo');
- }
- }
- elseif($action == 'edit')
- {
- $categoryCode=Database::escape_string($_GET['id']);
- $result=api_sql_query("SELECT name,auth_course_child FROM $tbl_category WHERE code='$categoryCode'",__FILE__,__LINE__);
- list($categoryName,$canHaveCourses)=Database::fetch_row($result);
- $canHaveCourses=($canHaveCourses == 'FALSE')?0:1;
- }
- elseif($action == 'moveUp')
- {
- moveNodeUp($_GET['id'],$_GET['tree_pos'],$category);
- header('Location: '.api_get_self().'?category='.Security::remove_XSS($category));
- exit();
- }
- }
- $tool_name=get_lang('AdminCategories');
- $interbreadcrumb[]=array('url' => 'index.php',"name" => get_lang('PlatformAdmin'));
- //$interbreadcrumb[]=array('url' => 'configure_homepage.php',"name" => get_lang('ConfigureHomePage'));
- Display::display_header($tool_name);
- //api_display_tool_title($tool_name);
- if(!empty($category))
- {
- $myquery = "SELECT * FROM $tbl_category WHERE code ='$category'";
- $result = api_sql_query($myquery,__FILE__,__LINE__);
- if(Database::num_rows($result)==0)
- {
- $category = '';
- }
- }
- if(empty($action))
- {
- $myquery="SELECT t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count,COUNT(DISTINCT t3.code) AS nbr_courses FROM $tbl_category t1 LEFT JOIN $tbl_category t2 ON t1.code=t2.parent_id LEFT JOIN $tbl_course t3 ON t3.category_code=t1.code WHERE t1.parent_id ".(empty($category)?"IS NULL":"='$category'")." GROUP BY t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count ORDER BY t1.tree_pos";
- $result=api_sql_query($myquery,__FILE__,__LINE__);
- $Categories=api_store_result($result);
- }
- if($action == 'add' || $action == 'edit')
- {
- ?>
- <div class="actions">
- <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>"><?php echo Display::return_icon('folder_up.gif').get_lang("Back"); if(!empty($category)) echo ' ('.Security::remove_XSS($category).')'; ?></a>
- </div>
- <?php
- $form_title = ($action == 'add')?get_lang('AddACategory'):get_lang('EditNode');
- if(!empty($category))
- {
- $form_title .= ' '.get_lang('Into').' '.Security::remove_XSS($category);
- }
- $form = new FormValidator('course_category');
- $form->addElement('header', '', $form_title);
- $form->display();
- ?>
- <form method="post" action="<?php echo api_get_self(); ?>?action=<?php echo Security::remove_XSS($action); ?>&category=<?php echo Security::remove_XSS($category); ?>&id=<?php echo Security::remove_XSS($_GET['id']); ?>">
- <input type="hidden" name="formSent" value="1" />
- <table border="0" cellpadding="5" cellspacing="0">
- <?php
- if(!empty($errorMsg))
- {
- ?>
- <tr>
- <td colspan="2">
- <?php
- Display::display_normal_message($errorMsg); //main API
- ?>
- </td>
- </tr>
- <?php
- }
- ?>
- <tr>
- <td nowrap="nowrap"><?php echo get_lang("CategoryCode"); ?> :</td>
- <td><input type="text" name="categoryCode" size="20" maxlength="20" value="<?php echo api_htmlentities(stripslashes($categoryCode),ENT_QUOTES,$charset); ?>" /></td>
- </tr>
- <tr>
- <td nowrap="nowrap"><?php echo get_lang("CategoryName"); ?> :</td>
- <td><input type="text" name="categoryName" size="20" maxlength="100" value="<?php echo api_htmlentities(stripslashes($categoryName),ENT_QUOTES,$charset); ?>" /></td>
- </tr>
- <tr>
- <td nowrap="nowrap"><?php echo get_lang("AllowCoursesInCategory"); ?></td>
- <td>
- <input class="checkbox" type="radio" name="canHaveCourses" value="0" <?php if(($action == 'edit' && !$canHaveCourses) || ($action == 'add' && $formSent && !$canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("No"); ?>
- <input class="checkbox" type="radio" name="canHaveCourses" value="1" <?php if(($action == 'edit' && $canHaveCourses) || ($action == 'add' && !$formSent || $canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("Yes"); ?>
- </td>
- </tr>
- <tr>
- <td> </td>
- <?php
- if(isset($_GET['id']) && !empty($_GET['id'])) {
- $class="save";
- $text=get_lang('CategoryMod');
- } else {
- $class="add";
- $text=get_lang('AddCategory');
- }
- ?>
- <td><button type="submit" class="<?php echo $class; ?>" value="<?php echo $text; ?>" ><?php echo $text; ?></button></td>
- </tr>
- </table>
- </form>
- <?php
- }
- else
- {
- ?>
- <div class="actions">
- <?php
- if(!empty($category) && empty($action))
- {
- $myquery = "SELECT parent_id FROM $tbl_category WHERE code='$category'";
- $result=api_sql_query($myquery,__FILE__,__LINE__);
- $parent_id = 0;
- if(Database::num_rows($result)>0){
- $parent_id=Database::fetch_array($result);
- }
- $parent_id['parent_id']?$link=' ('.$parent_id['parent_id'].')':$link='';
- ?>
- <a href="<?php echo api_get_self(); ?>?category=<?php echo $parent_id['parent_id']; ?>"><?php echo Display::return_icon('folder_up.gif').get_lang("Back"); if(!empty($parent_id)) echo $link ?></a>
- <?php
- }
- ?>
- <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&action=add"><?php echo Display::return_icon('folder_new.gif').get_lang("AddACategory"); if(!empty($category)) echo ' '.get_lang('Into').' '.Security::remove_XSS($category); ?></a>
- </div>
- <ul>
- <?php
- if(count($Categories)>0)
- {
- foreach($Categories as $enreg)
- {
- ?>
- <li>
- <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($enreg['code']); ?>"><?php Display::display_icon('folder_document.gif', get_lang('OpenNode')); ?></a>
- <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&action=edit&id=<?php echo Security::remove_XSS($enreg['code']); ?>"><?php Display::display_icon('edit.gif', get_lang('EditNode')); ?></a>
- <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&action=delete&id=<?php echo Security::remove_XSS($enreg['code']); ?>" onclick="javascript:if(!confirm('<?php echo addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)); ?>')) return false;"><?php Display::display_icon('delete.gif', get_lang('DeleteNode'));?></a>
- <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&action=moveUp&id=<?php echo Security::remove_XSS($enreg['code']); ?>&tree_pos=<?php echo $enreg['tree_pos']; ?>"><?php Display::display_icon('up.gif', get_lang('UpInSameLevel'));?></a>
- <?php echo $enreg['name']; ?>
- (<?php echo $enreg['children_count']; ?> <?php echo get_lang("Categories"); ?> - <?php echo $enreg['nbr_courses']; ?> <?php echo get_lang("Courses"); ?>)
- </li>
- <?php
- }
- unset($Categories);
- }
- else
- {
- echo get_lang("NoCategories");
- }
- ?>
- </ul>
- <?php
- }
- /*
- ==============================================================================
- FOOTER
- ==============================================================================
- */
- Display::display_footer();
- /******** Functions ********/
- function deleteNode($node)
- {
- global $tbl_category, $tbl_course;
- $node = Database::escape_string($node);
- $result=api_sql_query("SELECT parent_id,tree_pos FROM $tbl_category WHERE code='$node'",__FILE__,__LINE__);
- if($row=Database::fetch_array($result))
- {
- if(!empty($row['parent_id']))
- {
- api_sql_query("UPDATE $tbl_course SET category_code='".$row['parent_id']."' WHERE category_code='$node'",__FILE__,__LINE__);
- api_sql_query("UPDATE $tbl_category SET parent_id='".$row['parent_id']."' WHERE parent_id='$node'",__FILE__,__LINE__);
- }
- else
- {
- api_sql_query("UPDATE $tbl_course SET category_code='' WHERE category_code='$node'",__FILE__,__LINE__);
- api_sql_query("UPDATE $tbl_category SET parent_id=NULL WHERE parent_id='$node'",__FILE__,__LINE__);
- }
- api_sql_query("UPDATE $tbl_category SET tree_pos=tree_pos-1 WHERE tree_pos > '".$row['tree_pos']."'",__FILE__,__LINE__);
- api_sql_query("DELETE FROM $tbl_category WHERE code='$node'",__FILE__,__LINE__);
- if(!empty($row['parent_id']))
- {
- updateFils($row['parent_id']);
- }
- }
- }
- function addNode($code,$name,$canHaveCourses,$parent_id)
- {
- global $tbl_category;
- $canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
- $code = Database::escape_string($code);
- $name = Database::escape_string($name);
- $parent_id = Database::escape_string($parent_id);
- $result=api_sql_query("SELECT 1 FROM $tbl_category WHERE code='$code'",__FILE__,__LINE__);
- if(Database::num_rows($result))
- {
- return false;
- }
- $result=api_sql_query("SELECT MAX(tree_pos) AS maxTreePos FROM $tbl_category",__FILE__,__LINE__);
- $row=Database::fetch_array($result);
- $tree_pos=$row['maxTreePos']+1;
- api_sql_query("INSERT INTO $tbl_category(name,code,parent_id,tree_pos,children_count,auth_course_child) VALUES('$name','$code',".(empty($parent_id)?"NULL":"'$parent_id'").",'$tree_pos','0','$canHaveCourses')",__FILE__,__LINE__);
- updateFils($parent_id);
- return true;
- }
- function editNode($code,$name,$canHaveCourses,$old_code)
- {
- global $tbl_category;
- $canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
- $code = Database::escape_string($code);
- $name = Database::escape_string($name);
- $old_code = Database::escape_string($old_code);
- if($code != $old_code)
- {
- $result=api_sql_query("SELECT 1 FROM $tbl_category WHERE code='$code'",__FILE__,__LINE__);
- if(Database::num_rows($result))
- {
- return false;
- }
- }
- api_sql_query("UPDATE $tbl_category SET name='$name',code='$code',auth_course_child='$canHaveCourses' WHERE code='$old_code'",__FILE__,__LINE__);
- return true;
- }
- function moveNodeUp($code,$tree_pos,$parent_id)
- {
- global $tbl_category;
- $code = Database::escape_string($code);
- $tree_pos = Database::escape_string($tree_pos);
- $parent_id = Database::escape_string($parent_id);
- $result=api_sql_query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos<'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1",__FILE__,__LINE__);
- if(!$row=Database::fetch_array($result))
- {
- $result=api_sql_query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos>'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1",__FILE__,__LINE__);
- if(!$row=Database::fetch_array($result))
- {
- return false;
- }
- }
- api_sql_query("UPDATE $tbl_category SET tree_pos='".$row['tree_pos']."' WHERE code='$code'",__FILE__,__LINE__);
- api_sql_query("UPDATE $tbl_category SET tree_pos='$tree_pos' WHERE code='$row[code]'",__FILE__,__LINE__);
- }
- function updateFils($category)
- {
- global $tbl_category;
- $category = Database::escape_string($category);
- $result=api_sql_query("SELECT parent_id FROM $tbl_category WHERE code='$category'",__FILE__,__LINE__);
- if($row=Database::fetch_array($result))
- {
- updateFils($row['parent_id']);
- }
- $children_count=compterFils($category,0)-1;
- api_sql_query("UPDATE $tbl_category SET children_count='$children_count' WHERE code='$category'",__FILE__,__LINE__);
- }
- function compterFils($pere,$cpt)
- {
- global $tbl_category;
- $pere = Database::escape_string($pere);
- $result=api_sql_query("SELECT code FROM $tbl_category WHERE parent_id='$pere'",__FILE__,__LINE__);
- while($row=Database::fetch_array($result))
- {
- $cpt=compterFils($row['code'],$cpt);
- }
- return ($cpt+1);
- }
- ?>
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