<?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>.
***********************************************************************/
$path_to_root = "..";
include($path_to_root . "/includes/session.inc");
include_once($path_to_root . "/includes/types.inc"); // For tag constants
include_once($path_to_root . "/admin/db/tags_db.inc");
include($path_to_root . "/includes/ui.inc");

// Set up page security based on what type of tags we're working with
if (@$_GET['type'] == "account" || get_post('type') == TAG_ACCOUNT) {
	$page_security = 'SA_GLACCOUNTTAGS';
} else if(@$_GET['type'] == "dimension" || get_post('type') == TAG_DIMENSION) {
	$page_security = 'SA_DIMTAGS';
}

// We use $_POST['type'] throughout this script, so convert $_GET vars
// if $_POST['type'] is not set.
if (!isset($_POST['type'])) {
	if ($_GET['type'] == "account")
		$_POST['type'] = TAG_ACCOUNT;
	elseif ($_GET['type'] == "dimension")
		$_POST['type'] = TAG_DIMENSION;
	else
		die(_("Unspecified tag type"));
}

// Set up page based on what type of tags we're working with
switch ($_POST['type']) {
	case TAG_ACCOUNT:
		// Account tags
		$_SESSION['page_title'] = _($help_context = "Account Tags");
		break;
	case TAG_DIMENSION:
		// Dimension tags
		$_SESSION['page_title'] = _($help_context = "Dimension Tags");
}

page($_SESSION['page_title']);

simple_page_mode(true);

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

function can_process() 
{
	if (strlen($_POST['name']) == 0) 
	{
		display_error( _("The tag name cannot be empty."));
		set_focus('name');
		return false;
	}
	return true;
}

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

if ($Mode=='ADD_ITEM' || $Mode=='UPDATE_ITEM') 
{
	if (can_process()) 
	{
    	if ($selected_id != -1) 
    	{
    		if( $ret = update_tag($selected_id, $_POST['name'], $_POST['description']))
				display_notification(_('Selected tag settings have been updated'));
    	} 
    	else 
    	{
    		if( $ret = add_tag($_POST['type'], $_POST['name'], $_POST['description']))
				display_notification(_('New tag has been added'));
    	}
		if ($ret) $Mode = 'RESET';
	}
}

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

function can_delete($selected_id)
{
	if ($selected_id == -1)
		return false;
	$result = get_records_associated_with_tag($selected_id);
	
	if (db_num_rows($result) > 0)	
	{
		display_error(_("Cannot delete this tag because records have been created referring to it."));
		return false;
	}

	return true;
}


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

if ($Mode == 'Delete')
{
	if (can_delete($selected_id))
	{
		delete_tag($selected_id);
		display_notification(_('Selected tag has been deleted'));
	}
	$Mode = 'RESET';
}

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

if ($Mode == 'RESET')
{
	$selected_id = -1;
	$_POST['name'] = $_POST['description'] = '';
}

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

$result = get_tags($_POST['type'], check_value('show_inactive'));

start_form();
start_table(TABLESTYLE);
$th = array(_("Tag Name"), _("Tag Description"), "", "");
inactive_control_column($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"], $myrow["inactive"], 'tags', 'id');
	edit_button_cell("Edit".$myrow["id"], _("Edit"));
	delete_button_cell("Delete".$myrow["id"], _("Delete"));
	end_row();
}

inactive_control_row($th);
end_table(1);

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

start_table(TABLESTYLE2);

if ($selected_id != -1) // We've selected a tag 
{
	if ($Mode == 'Edit') {
		// Editing an existing tag
		$myrow = get_tag($selected_id);
	
		$_POST['name'] = $myrow["name"];
		$_POST['description'] = $myrow["description"];
	}
	// Note the selected tag
	hidden('selected_id', $selected_id);
}
	
text_row_ex(_("Tag Name:"), 'name', 15, 30);
text_row_ex(_("Tag Description:"), 'description', 40, 60);
hidden('type');

end_table(1);

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

end_form();

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

end_page();