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edit_categories.php
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edit_categories.php
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<?php
/*
part-db version 0.1
Copyright (C) 2005 Christoph Lechner
http://www.cl-projects.de/
part-db version 0.2+
Copyright (C) 2009 K. Jacobs and others (see authors.php)
http://code.google.com/p/part-db/
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.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/*
* Please note:
* The files "edit_categories.php", "edit_footprints.php", "edit_manufacturers.php",
* "edit_suppliers.php", "edit_devices.php", "edit_storelocations.php" and "edit_filetypes.php"
* are quite similar.
* If you make changes in one of them, please check if you should change the other files too.
*/
include_once('start_session.php');
$messages = array();
$fatal_error = false; // if a fatal error occurs, only the $messages will be printed, but not the site content
/********************************************************************************
*
* Evaluate $_REQUEST
*
* Notes:
* - "$selected_id == 0" means that we will show the form for creating a new category
* - the $new_* variables contains the new values after editing an existing
* or creating a new category
*
*********************************************************************************/
$selected_id = isset($_REQUEST['selected_id']) ? (integer)$_REQUEST['selected_id'] : 0;
$new_name = isset($_REQUEST['name']) ? (string)$_REQUEST['name'] : '';
$new_parent_id = isset($_REQUEST['parent_id']) ? (integer)$_REQUEST['parent_id'] : 0;
$new_disable_footprints = isset($_REQUEST['disable_footprints']);
$new_disable_manufacturers = isset($_REQUEST['disable_manufacturers']);
$new_disable_autodatasheets = isset($_REQUEST['disable_autodatasheets']);
$add_more = isset($_REQUEST['add_more']);
$action = 'default';
if (isset($_REQUEST["add"])) {$action = 'add';}
if (isset($_REQUEST["delete"])) {$action = 'delete';}
if (isset($_REQUEST["delete_confirmed"])) {$action = 'delete_confirmed';}
if (isset($_REQUEST["apply"])) {$action = 'apply';}
/********************************************************************************
*
* Initialize Objects
*
*********************************************************************************/
$html = new HTML($config['html']['theme'], $config['html']['custom_css'], 'Kategorien');
try
{
$database = new Database();
$log = new Log($database);
$current_user = new User($database, $current_user, $log, 1); // admin
$root_category = new Category($database, $current_user, $log, 0);
if ($selected_id > 0)
$selected_category = new Category($database, $current_user, $log, $selected_id);
else
$selected_category = NULL;
}
catch (Exception $e)
{
$messages[] = array('text' => nl2br($e->getMessage()), 'strong' => true, 'color' => 'red');
$fatal_error = true;
}
/********************************************************************************
*
* Execute actions
*
*********************************************************************************/
if ( ! $fatal_error)
{
switch ($action)
{
case 'add':
try
{
$new_category = Category::add( $database, $current_user, $log, $new_name,
$new_parent_id, $new_disable_footprints,
$new_disable_manufacturers, $new_disable_autodatasheets);
$html->set_variable('refresh_navigation_frame', true, 'boolean');
if ( ! $add_more)
{
$selected_category = $new_category;
$selected_id = $selected_category->get_id();
}
}
catch (Exception $e)
{
$messages[] = array('text' => 'Die neue Kategorie konnte nicht angelegt werden!', 'strong' => true, 'color' => 'red');
$messages[] = array('text' => 'Fehlermeldung: '.nl2br($e->getMessage()), 'color' => 'red');
}
break;
case 'delete':
try
{
if ( ! is_object($selected_category))
throw new Exception('Es ist keine Kategorie markiert oder es trat ein Fehler auf!');
$parts = $selected_category->get_parts();
$count = count($parts);
if ($count > 0)
{
$messages[] = array('text' => 'Es gibt noch '.$count.' Bauteile in dieser Kategorie, '.
'daher kann die Kategorie nicht gelöscht werden.', 'strong' => true, 'color' => 'red');
}
else
{
$messages[] = array('text' => 'Soll die Kategorie "'.$selected_category->get_full_path().
'" wirklich unwiederruflich gelöscht werden?', 'strong' => true, 'color' => 'red');
$messages[] = array('text' => '<br>Hinweise:', 'strong' => true);
$messages[] = array('text' => ' • Es gibt keine Bauteile in dieser Kategorie.');
$messages[] = array('text' => ' • Beinhaltet diese Kategorie noch Unterkategorien, dann werden diese eine Ebene nach oben verschoben.');
$messages[] = array('html' => '<input type="hidden" name="selected_id" value="'.$selected_category->get_id().'">');
$messages[] = array('html' => '<input type="submit" name="" value="Nein, nicht löschen">', 'no_linebreak' => true);
$messages[] = array('html' => '<input type="submit" name="delete_confirmed" value="Ja, Kategorie löschen">');
}
}
catch (Exception $e)
{
$messages[] = array('text' => 'Es trat ein Fehler auf!', 'strong' => true, 'color' => 'red');
$messages[] = array('text' => 'Fehlermeldung: '.nl2br($e->getMessage()), 'color' => 'red');
}
break;
case 'delete_confirmed':
try
{
if ( ! is_object($selected_category))
throw new Exception('Es ist keine Kategorie markiert oder es trat ein Fehler auf!');
$selected_category->delete();
$selected_category = NULL;
$html->set_variable('refresh_navigation_frame', true, 'boolean');
}
catch (Exception $e)
{
$messages[] = array('text' => 'Die Kategorie konnte nicht gelöscht werden!', 'strong' => true, 'color' => 'red');
$messages[] = array('text' => 'Fehlermeldung: '.nl2br($e->getMessage()), 'color' => 'red');
}
break;
case 'apply':
try
{
if ( ! is_object($selected_category))
throw new Exception('Es ist keine Kategorie markiert oder es trat ein Fehler auf!');
$selected_category->set_attributes(array('name' => $new_name,
'parent_id' => $new_parent_id,
'disable_footprints' => $new_disable_footprints,
'disable_manufacturers' => $new_disable_manufacturers,
'disable_autodatasheets' => $new_disable_autodatasheets));
$html->set_variable('refresh_navigation_frame', true, 'boolean');
}
catch (Exception $e)
{
$messages[] = array('text' => 'Die neuen Werte konnten nicht gespeichert werden!', 'strong' => true, 'color' => 'red');
$messages[] = array('text' => 'Fehlermeldung: '.nl2br($e->getMessage()), 'color' => 'red');
}
break;
}
}
/********************************************************************************
*
* Set the rest of the HTML variables
*
*********************************************************************************/
$html->set_variable('add_more', $add_more, 'boolean');
if (! $fatal_error)
{
try
{
if (is_object($selected_category))
{
$parent_id = $selected_category->get_parent_id();
$html->set_variable('id', $selected_category->get_id(), 'integer');
$name = $selected_category->get_name();
$disable_footprints = $selected_category->get_disable_footprints(true);
$disable_manufacturers = $selected_category->get_disable_manufacturers(true);
$disable_autodatasheets = $selected_category->get_disable_autodatasheets(true);
$html->set_variable('parent_disable_footprints', ($selected_category->get_disable_footprints(true)
&& ( ! $selected_category->get_disable_footprints(false))), 'boolean');
$html->set_variable('parent_disable_manufacturers', ($selected_category->get_disable_manufacturers(true)
&& ( ! $selected_category->get_disable_manufacturers(false))), 'boolean');
$html->set_variable('parent_disable_autodatasheets', ($selected_category->get_disable_autodatasheets(true)
&& ( ! $selected_category->get_disable_autodatasheets(false))), 'boolean');
}
elseif ($action == 'add')
{
$parent_id = $new_parent_id;
$name = $new_name;
$disable_footprints = $new_disable_footprints;
$disable_manufacturers = $new_disable_manufacturers;
$disable_autodatasheets = $new_disable_autodatasheets;
}
else
{
$parent_id = 0;
$name = '';
$disable_footprints = false;
$disable_manufacturers = false;
$disable_autodatasheets = false;
}
$html->set_variable('name', $name, 'string');
$html->set_variable('disable_footprints', $disable_footprints, 'boolean');
$html->set_variable('disable_manufacturers', $disable_manufacturers, 'boolean');
$html->set_variable('disable_autodatasheets', $disable_autodatasheets, 'boolean');
$category_list = $root_category->build_html_tree($selected_id, true, false);
$html->set_variable('category_list', $category_list, 'string');
$parent_category_list = $root_category->build_html_tree($parent_id, true, true);
$html->set_variable('parent_category_list', $parent_category_list, 'string');
}
catch (Exception $e)
{
$messages[] = array('text' => nl2br($e->getMessage()), 'strong' => true, 'color' => 'red', );
$fatal_error = true;
}
}
/********************************************************************************
*
* Generate HTML Output
*
*********************************************************************************/
$reload_link = $fatal_error ? 'edit_categories.php' : ''; // an empty string means that the...
$html->print_header($messages, $reload_link); // ...reload-button won't be visible
if (! $fatal_error)
$html->print_template('edit_categories');
$html->print_footer();
?>