<?php
/**********************************************************************
    Copyright (C) FrontAccounting, LLC.
	Released under the terms of the GNU General Public License, GPL, 
	as published by the Free Software Foundation, either version 3 
	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 License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
$page_security = 'SA_WORKCENTRES';
$path_to_root = "../..";
include($path_to_root . "/includes/session.inc");

page(_($help_context = "Work Centres"));

include($path_to_root . "/manufacturing/includes/manufacturing_db.inc");

include($path_to_root . "/includes/ui.inc");

simple_page_mode(true);
//-----------------------------------------------------------------------------------

if ($Mode=='ADD_ITEM' || $Mode=='UPDATE_ITEM') 
{

	//initialise no input errors assumed initially before we test
	$input_error = 0;

	if (strlen($_POST['name']) == 0) 
	{
		$input_error = 1;
		display_error(_("The work centre name cannot be empty."));
		set_focus('name');
	}

	if ($input_error != 1) 
	{
		
    	if ($selected_id != -1) 
    	{
    		update_work_centre($selected_id, $_POST['name'], $_POST['description']);
			display_notification(_('Selected work center has been updated'));
    	} 
    	else 
    	{
    		add_work_centre($_POST['name'], $_POST['description']);
			display_notification(_('New work center has been added'));
    	}
		$Mode = 'RESET';
	}
} 

//-----------------------------------------------------------------------------------

function can_delete($selected_id)
{
	$sql= "SELECT COUNT(*) FROM ".TB_PREF."bom WHERE workcentre_added=".db_escape($selected_id);
	$result = db_query($sql, "check can delete work centre");
	$myrow = db_fetch_row($result);
	if ($myrow[0] > 0) 
	{
		display_error(_("Cannot delete this work centre because BOMs have been created referring to it."));
		return false;
	}
	
	$sql= "SELECT COUNT(*) FROM ".TB_PREF."wo_requirements WHERE workcentre=".db_escape($selected_id);
	$result = db_query($sql, "check can delete work centre");
	$myrow = db_fetch_row($result);
	if ($myrow[0] > 0) 
	{
		display_error(_("Cannot delete this work centre because work order requirements have been created referring to it."));
		return false;
	}		
	
	return true;
}


//-----------------------------------------------------------------------------------

if ($Mode == 'Delete')
{

	if (can_delete($selected_id))
	{
		delete_work_centre($selected_id);
		display_notification(_('Selected work center has been deleted'));
	}
	$Mode = 'RESET';
}

if ($Mode == 'RESET')
{
	$selected_id = -1;
	$sav = get_post('show_inactive');
	unset($_POST);
	$_POST['show_inactive'] = $sav;
}
//-----------------------------------------------------------------------------------

$result = get_all_work_centres(check_value('show_inactive'));

start_form();
start_table("$table_style width=50%");
$th = array(_("Name"), _("description"), "", "");
inactive_control_column($th);
table_header($th);

$k = 0;
while ($myrow = db_fetch($result)) 
{
	
	alt_table_row_color($k);	

	label_cell($myrow["name"]);
	label_cell($myrow["description"]);
	inactive_control_cell($myrow["id"], $myrow["inactive"], 'workcentres', 'id');
 	edit_button_cell("Edit".$myrow['id'], _("Edit"));
 	delete_button_cell("Delete".$myrow['id'], _("Delete"));
	end_row();
}

inactive_control_row($th);
end_table(1);
//-----------------------------------------------------------------------------------

start_table($table_style2);

if ($selected_id != -1) 
{
 	if ($Mode == 'Edit') {
		//editing an existing status code
		$myrow = get_work_centre($selected_id);
		
		$_POST['name']  = $myrow["name"];
		$_POST['description']  = $myrow["description"];
	}
	hidden('selected_id', $selected_id);
} 

text_row_ex(_("Name:"), 'name', 40);
text_row_ex(_("Description:"), 'description', 50);

end_table(1);

submit_add_or_update_center($selected_id == -1, '', 'both');

end_form();

//------------------------------------------------------------------------------------

end_page();

?>
