vdef.php

<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2004-2012 The Cacti Group                                 |
 |                                                                         |
 | 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.                            |
 +-------------------------------------------------------------------------+
 | Cacti: The Complete RRDTool-based Graphing Solution                     |
 +-------------------------------------------------------------------------+
 | This code is designed, written, and maintained by the Cacti Group. See  |
 | about.php and/or the AUTHORS file for specific developer information.   |
 +-------------------------------------------------------------------------+
 | http://www.cacti.net/                                                   |
 +-------------------------------------------------------------------------+
*/

include('./include/auth.php');
include_once('./lib/utility.php');
include_once('./lib/vdef.php');

$vdef_actions = array(
	'1' => 'Delete',
	'2' => 'Duplicate'
);

set_default_action();

switch (get_request_var('action')) {
	case 'save':
		vdef_form_save();

		break;
	case 'actions':
		vdef_form_actions();

		break;
	case 'item_remove_confirm':
		vdef_item_remove_confirm();

		break;
	case 'item_remove':
		vdef_item_remove();

		break;
	case 'item_edit':
		top_header();
		vdef_item_edit();
		bottom_footer();

		break;
	case 'edit':
		top_header();

		vdef_edit();

		bottom_footer();

		break;
	case 'ajax_dnd':
		vdef_item_dnd();

		break;
	default:
		top_header();

		vdef();

		bottom_footer();

		break;
}

/* --------------------------
    Global Form Functions
   -------------------------- */

function draw_vdef_preview($vdef_id) {
	?>
	<tr class='even'>
		<td style='padding:4px'>
			<pre>vdef=<?php print get_vdef($vdef_id, true);?></pre>
		</td>
	</tr>
	<?php
}

/* --------------------------
    The Save Function
   -------------------------- */

function vdef_form_save() {
	if (isset_request_var('save_component_vdef')) {
		$save['id']   = get_filter_request_var('id');
		$save['hash'] = get_hash_vdef(get_request_var('id'));
		$save['name'] = form_input_validate(get_nfilter_request_var('name'), 'name', '', false, 3);

		if (!is_error_message()) {
			$vdef_id = sql_save($save, 'vdef');

			if ($vdef_id) {
				raise_message(1);
			}else{
				raise_message(2);
			}
		}

		header('Location: vdef.php?action=edit&header=false&id=' . (empty($vdef_id) ? get_request_var('id') : $vdef_id));
	}elseif (isset_request_var('save_component_item')) {
		$sequence = get_sequence(get_filter_request_var('id'), 'sequence', 'vdef_items', 'vdef_id=' . get_filter_request_var('vdef_id'));

		$save['id']       = get_filter_request_var('id');
		$save['hash']     = get_hash_vdef(get_request_var('id'), 'vdef_item');
		$save['vdef_id']  = get_filter_request_var('vdef_id');
		$save['sequence'] = $sequence;
		$save['type']     = get_nfilter_request_var('type');
		$save['value']    = get_nfilter_request_var('value');

		if (!is_error_message()) {
			$vdef_item_id = sql_save($save, 'vdef_items');

			if ($vdef_item_id) {
				raise_message(1);
			}else{
				raise_message(2);
			}
		}

		if (is_error_message()) {
			header('Location: vdef.php?action=item_edit&header=false&vdef_id=' . get_request_var('vdef_id') . '&id=' . (empty($vdef_item_id) ? get_request_var('id') : $vdef_item_id));
		}else{
			header('Location: vdef.php?action=edit&header=false&id=' . get_request_var('vdef_id'));
		}
	}
}

/* ------------------------
    The 'actions' function
   ------------------------ */

function vdef_form_actions() {
	global $vdef_actions;

	/* if we are to save this form, instead of display it */
	if (isset_request_var('selected_items')) {
		$selected_items = sanitize_unserialize_selected_items(get_nfilter_request_var('selected_items'));

		if ($selected_items != false) {
			if (get_nfilter_request_var('drp_action') === '1') { /* delete */
				/* do a referential integrity check */
				if (sizeof($selected_items)) {
				foreach($selected_items as $vdef_id) {
					/* ================= input validation ================= */
					input_validate_input_number($vdef_id);
					/* ==================================================== */

					$vdef_ids[] = $vdef_id;
				}
				}

				if (isset($vdef_ids)) {
					db_execute('DELETE FROM vdef WHERE ' . array_to_sql_or($vdef_ids, 'id'));
					db_execute('DELETE FROM vdef_items WHERE ' . array_to_sql_or($vdef_ids, 'vdef_id'));
				}
			}elseif (get_nfilter_request_var('drp_action') === '2') { /* duplicate */
				for ($i=0;($i<count($selected_items));$i++) {
					/* ================= input validation ================= */
					input_validate_input_number($selected_items[$i]);
					/* ==================================================== */

					duplicate_vdef($selected_items[$i], get_nfilter_request_var('title_format'));
				}
			}
		}

		header('Location: vdef.php?header=false');

		exit;
	}

	/* setup some variables */
	$vdef_list = '';

	/* loop through each of the graphs selected on the previous page and get more info about them */
	while (list($var,$val) = each($_POST)) {
		if (preg_match('/^chk_([0-9]+)$/', $var, $matches)) {
			/* ================= input validation ================= */
			input_validate_input_number($matches[1]);
			/* ==================================================== */

			$vdef_list .= '<li>' . db_fetch_cell('select name from vdef where id=' . $matches[1]) . '</li>';
			$vdef_array[] = $matches[1];
		}
	}

	top_header();

	form_start('vdef.php', 'vdef_actions');

	html_start_box($vdef_actions{get_nfilter_request_var('drp_action')}, '60%', '', '3', 'center', '');

	if (isset($vdef_array)) {
		if (get_nfilter_request_var('drp_action') === '1') { /* delete */
			print "	<tr>
					<td class='topBoxAlt'>
						<p>Click 'Continue' to delete the following VDEF(s).</p>
						<p><ul>$vdef_list</ul></p>
					</td>
				</tr>\n";

			$save_html = "<input type='button' value='Cancel' onClick='cactiReturnTo()'>&nbsp;<input type='submit' value='Continue' title='Delete VDEF(s)'>";
		}elseif (get_nfilter_request_var('drp_action') === '2') { /* duplicate */
			print "	<tr>
					<td class='topBoxAlt'>
						<p>Click 'Continue' to duplicate the following VDEF(s). You can optionally change the title format for the new VDEF(s).</p>
						<p><ul>$vdef_list</ul></p>
						<p><strong>Title Format:</strong><br>"; form_text_box("title_format", "<vdef_title> (1)", "", "255", "30", "text"); print "</p>
					</td>
				</tr>\n";

			$save_html = "<input type='button' value='Cancel' onClick='cactiReturnTo()'>&nbsp;<input type='submit' value='Continue' title='Duplicate VDEF(s)'>";
		}
	}else{
		print "<tr><td class='odd'><span class='textError'>You must select at least one VDEF.</span></td></tr>\n";
		$save_html = "<input type='button' value='Return' onClick='cactiReturnTo()'>";
	}

    print "<tr>
        <td class='saveRow'>
            <input type='hidden' name='action' value='actions'>
            <input type='hidden' name='selected_items' value='" . (isset($vdef_array) ? serialize($vdef_array) : '') . "'>
            <input type='hidden' name='drp_action' value='" . get_nfilter_request_var('drp_action') . "'>
            $save_html
        </td>
    </tr>\n";

	html_end_box();

	form_end();

	bottom_footer();
}

/* --------------------------
    VDEF Item Functions
   -------------------------- */

function vdef_item_remove_confirm() {
	global $vdef_functions, $vdef_item_types, $custom_vdef_data_source_types;

	/* ================= input validation ================= */
	get_filter_request_var('id');
	get_filter_request_var('vdef_id');
	/* ==================================================== */

	form_start('vdef.php');

	html_start_box('', '100%', '', '3', 'center', '');

	$vdef       = db_fetch_row('SELECT * FROM vdef WHERE id=' . get_request_var('id'));
	$vdef_item  = db_fetch_row('SELECT * FROM vdef_items WHERE id=' . get_request_var('vdef_id'));

	?>
	<tr>
		<td class='topBoxAlt'>
			<p>Click 'Continue' to delete the following VDEF's.</p>
			<p>VDEF Name: '<?php print $vdef['name'];?>'<br>
			<em><?php $vdef_item_type = $vdef_item['type']; print $vdef_item_types[$vdef_item_type];?></em>: <strong><?php print get_vdef_item_name($vdef_item['id']);?></strong></p>
		</td>
	</tr>
	<tr>
		<td align='right'>
			<input id='cancel' type='button' value='Cancel' onClick='$("#cdialog").dialog("close");' name='cancel'>
			<input id='continue' type='button' value='Continue' name='continue' title='Remove VDEF Item'>
		</td>
	</tr>
	<?php

	html_end_box();

	form_end();

	?>
	<script type='text/javascript'>
	$(function() {
		$('#cdialog').dialog();
	});

	$('#continue').click(function(data) {
		$.post('vdef.php?action=item_remove', { 
			__csrf_magic: csrfMagicToken, 
			vdef_id: <?php print get_request_var('vdef_id');?>, 
			id: <?php print get_request_var('id');?> 
		}, function(data) {
			$('#cdialog').dialog('close');
			loadPageNoHeader('vdef.php?action=edit&header=false&id=<?php print get_request_var('id');?>');
		});
	});
	</script>
	<?php
}
		
function vdef_item_remove() {
	/* ================= input validation ================= */
	get_filter_request_var('vdef_id');
	/* ==================================================== */

	db_execute('DELETE FROM vdef_items WHERE id=' . get_request_var('vdef_id'));
}

function vdef_item_edit() {
	global $vdef_functions, $vdef_item_types, $custom_vdef_data_source_types;

	/* ================= input validation ================= */
	get_filter_request_var('id');
	get_filter_request_var('vdef_id');
	get_filter_request_var('type_select');
	/* ==================================================== */

	if (!isempty_request_var('id')) {
		$vdef = db_fetch_row_prepared('SELECT * FROM vdef_items WHERE id = ?', array(get_request_var('id')));
		$current_type = $vdef['type'];
		$values[$current_type] = $vdef['value'];
	}

	print '<div>';
	draw_vdef_preview(get_request_var('vdef_id'));
	print '</div>';

	if (!isempty_request_var('vdef_id')) {
		$header_label = '[edit: ' . db_fetch_cell_prepared('SELECT name FROM vdef WHERE id = ?', array(get_request_var('vdef_id'))) . ']';
	}else {
		$header_label = '[new]';
	}

	form_start('vdef.php', 'form_vdef');

	html_start_box('VDEF Items ' . $header_label, '100%', '', '3', 'center', '');

	if (isset_request_var('type_select')) {
		$current_type = get_request_var('type_select');
	}elseif (isset($vdef['type'])) {
		$current_type = $vdef['type'];
	}else{
		$current_type = CVDEF_ITEM_TYPE_FUNCTION;
	}

	form_alternate_row(); ?>
		<td width='50%'>
			<font class='textEditTitle'>VDEF Item Type</font><br>
			Choose what type of VDEF item this is.
		</td>
		<td>
			<select id='type_select'>
				<?php
				while (list($var, $val) = each($vdef_item_types)) {
					print "<option value='" . htmlspecialchars('vdef.php?action=item_edit' . (isset_request_var('id') ? '&id=' . get_request_var('id') : '') . '&vdef_id=' . get_request_var('vdef_id') . '&type_select=' . $var) . "'"; if ($var == $current_type) { print ' selected'; } print ">$val</option>\n";
				}
				?>
			</select>
			<script type='text/javascript'>
			$(function() {
				$('#type_select').change(function() {
					loadPageNoHeader('vdef.php?action=item_edit&header=false&vdef_id=<?php print get_request_var('vdef_id');?>&type_select='+$('#type_select').val())
				});
			});
			</script>
		</td>
	<?php
	form_end_row();

	form_alternate_row();
	?>
		<td width='50%'>
			<font class='textEditTitle'>VDEF Item Value</font><br>
			Enter a value for this VDEF item.
		</td>
		<td>
			<?php
			switch ($current_type) {
			case '1':
				form_dropdown('value', $vdef_functions, '', '', (isset($vdef['value']) ? $vdef['value'] : ''), '', '');
				break;
			case '4':
				form_dropdown('value', $custom_vdef_data_source_types, '', '', (isset($vdef['value']) ? $vdef['value'] : ''), '', '');
				break;
			case '6':
				form_text_box('value', (isset($vdef['value']) ? $vdef['value'] : ''), '', '255', 30, 'text', (isset_request_var('id') ? get_request_var('id') : '0'));
				break;
			}
			?>
		</td>
	<?php
	form_end_row();

	form_hidden_box('id', (isset_request_var('id') ? get_request_var('id') : '0'), '');
	form_hidden_box('type', $current_type, '');
	form_hidden_box('vdef_id', get_request_var('vdef_id'), '');
	form_hidden_box('save_component_item', '1', '');

	html_end_box();

	form_save_button('vdef.php?action=edit&id=' . get_request_var('vdef_id'));
}

/* ---------------------
    VDEF Functions
   --------------------- */

function vdef_item_dnd() {
	/* ================= Input validation ================= */
	get_filter_request_var('id');
	/* ================= Input validation ================= */

	if (!isset_request_var('vdef_item') || !is_array(get_request_var('vdef_item'))) exit;

	/* vdef table contains one row defined as 'nodrag&nodrop' */
	unset($_REQUEST['vdef_item'][0]);

	/* delivered vdef ids has to be exactly the same like we have stored */
	$old_order = array();

	foreach(get_request_var('vdef_item') as $sequence => $vdef_id) {
		if (empty($vdef_id)) continue;
		$new_order[$sequence] = str_replace('line', '', $vdef_id);
	}

	$vdef_items = db_fetch_assoc_prepared('SELECT id, sequence FROM vdef_items WHERE vdef_id = ?', array(get_request_var('id')));

	if(sizeof($vdef_items)) {
		foreach($vdef_items as $item) {
			$old_order[$item['sequence']] = $item['id'];
		}
	}else {
		exit;
	}

	if(sizeof(array_diff($new_order, $old_order))>0) exit;

	/* the set of sequence numbers has to be the same too */
	if(sizeof(array_diff_key($new_order, $old_order))>0) exit;
	/* ==================================================== */

	foreach($new_order as $sequence => $vdef_id) {
		input_validate_input_number($sequence);
		input_validate_input_number($vdef_id);

		db_execute_prepared('UPDATE vdef_items SET sequence = ? WHERE id = ?', array($sequence, $vdef_id));
	}

	header('Location: vdef.php?action=edit&header=false&id=' . get_request_var('id'));
}

function vdef_edit() {
	global $vdef_item_types;

	/* ================= input validation ================= */
	get_filter_request_var('id');
	/* ==================================================== */

	if (!isempty_request_var('id')) {
		$vdef = db_fetch_row('SELECT * FROM vdef WHERE id=' . get_request_var('id'));
		$header_label = '[edit: ' . $vdef['name'] . ']';
	}else{
		$header_label = '[new]';
	}

	form_start('vdef.php', 'vdef_edit');

	html_start_box('VDEFs ' . $header_label, '100%', '', '3', 'center', '');

	draw_edit_form(
		array(
			'config' => array('no_form_tag' => true),
			'fields' => inject_form_variables(preset_vdef_form_list(), (isset($vdef) ? $vdef : array()))
		)
	);

	html_end_box();

	form_hidden_box('id', (isset($vdef['id']) ? $vdef['id'] : '0'), '');
	form_hidden_box('save_component_vdef', '1', '');

	if (!isempty_request_var('id')) {
		html_start_box('', '100%', '', '3', 'center', '');
		draw_vdef_preview(get_request_var('id'));
		html_end_box();

		html_start_box('VDEF Items', '100%', '', '3', 'center', 'vdef.php?action=item_edit&vdef_id=' . $vdef['id']);
		$header_items = array(
			array('display' => 'Item', 'align' => 'left'),
			array('display' => 'Item Value', 'align' => 'left')
		);

		html_header($header_items, 2);

		$vdef_items = db_fetch_assoc_prepared('SELECT * FROM vdef_items WHERE vdef_id = ? ORDER BY sequence', array(get_request_var('id')));
		$i = 0;
		if (sizeof($vdef_items)) {
			foreach ($vdef_items as $vdef_item) {
				form_alternate_row('line' . $vdef_item['id'], true);
					?>
					<td>
						<a class='linkEditMain' href='<?php print htmlspecialchars('vdef.php?action=item_edit&id=' . $vdef_item['id'] . '&vdef_id=' . $vdef['id']);?>'>Item #<?php print $i;?></a>
					</td>
					<td>
						<em><?php $vdef_item_type = $vdef_item['type']; print $vdef_item_types[$vdef_item_type];?></em>: <strong><?php print get_vdef_item_name($vdef_item['id']);?></strong>
					</td>
					<td align='right' style='text-align:right'>
						<a id='<?php print $vdef['id'] . '_' . $vdef_item['id'];?>' class='delete deleteMarker fa fa-remove' title='Delete VDEF Item'></a>
					</td>
			<?php
			form_end_row();
			$i++;
			}
		}

		html_end_box();
	}

	form_save_button('vdef.php', 'return');

	?>
	<script type='text/javascript'>

	$(function() {
		$('#vdef_edit3').find('.cactiTable').attr('id', 'vdef_item');
		$('body').append("<div id='cdialog'></div>");

		$('#vdef_item').tableDnD({
			onDrop: function(table, row) {
				loadPageNoHeader('vdef.php?action=ajax_dnd&id=<?php isset_request_var('id') ? print get_request_var('id') : print 0;?>&'+$.tableDnD.serialize());
			}
		});

		$('.delete').click(function (event) {
			event.preventDefault();

			id = $(this).attr('id').split('_');
			request = 'vdef.php?action=item_remove_confirm&id='+id[0]+'&vdef_id='+id[1];
			$.get(request, function(data) {
				$('#cdialog').html(data);
				applySkin();
				$('#cdialog').dialog({ title: 'Delete VDEF Item', minHeight: 80, minWidth: 500 });
			});
		}).css('cursor', 'pointer');
	});

	</script>
	<?php
}

function vdef_filter() {
	global $item_rows;

	html_start_box('VDEFs', '100%', '', '3', 'center', 'vdef.php?action=edit');
	?>
	<tr class='even'>
		<td>
			<form id='form_vdef' action='vdef.php'>
			<table class='filterTable'>
				<tr>
					<td>
						Search
					</td>
					<td>
						<input type='text' id='filter' size='25' value='<?php print get_request_var('filter');?>'>
					</td>
					<td>
						VDEFs
					</td>
					<td>
						<select id='rows' onChange='applyFilter()'>
							<?php
							if (sizeof($item_rows)) {
							foreach ($item_rows as $key => $value) {
								print "<option value='" . $key . "'"; if (get_request_var('rows') == $key) { print ' selected'; } print '>' . $value . "</option>\n";
							}
							}
							?>
						</select>
					</td>
                    <td>
                        <input type='checkbox' id='has_graphs' <?php print (get_request_var('has_graphs') == 'true' ? 'checked':'');?>>
                    </td>
                    <td>
                        <label for='has_graphs'>Has Graphs</label>
                    </td>
					<td>
						<input type='button' Value='Go' id='refresh'>
					</td>
					<td>
						<input type='button' Value='Clear' id='clear'>
					</td>
				</tr>
			</table>
			<input type='hidden' id='page' value='<?php print get_filter_request_var('page');?>'>
			</form>
			<script type='text/javascript'>

			function applyFilter() {
				strURL = 'vdef.php?filter='+$('#filter').val()+'&rows='+$('#rows').val()+'&page='+$('#page').val()+'&has_graphs='+$('#has_graphs').is(':checked')+'&header=false';
				loadPageNoHeader(strURL);
			}

			function clearFilter() {
				strURL = 'vdef.php?clear=1&header=false';
				loadPageNoHeader(strURL);
			}

			$(function() {
				$('#refresh').click(function() {
					applyFilter();
				});

				$('#has_graphs').click(function() {
					applyFilter();
				});

				$('#clear').click(function() {
					clearFilter();
				});

				$('#form_vdef').submit(function(event) {
					event.preventDefault();
					applyFilter();
				});
			});

			</script>
		</td>
	</tr>
	<?php

	html_end_box();
}

function get_vdef_records(&$total_rows, &$rowspp) {
	/* form the 'where' clause for our main sql query */
	if (get_request_var('filter') != '') {
		$sql_where = "WHERE (vdef.name LIKE '%" . get_request_var('filter') . "%')";
	}else{
		$sql_where = '';
	}

	if (get_request_var('has_graphs') == 'true') {
		$sql_having = 'HAVING graphs>0';
	}else{
		$sql_having = '';
	}

	if (get_request_var('rows') == '-1') {
		$rows = read_config_option('num_rows_table');
	}else{
		$rows = get_request_var('rows');
	}

	$total_rows = db_fetch_cell("SELECT
		COUNT(rows)
        FROM (
            SELECT vd.id AS rows,
            SUM(CASE WHEN local_graph_id>0 THEN 1 ELSE 0 END) AS graphs
            FROM vdef AS vd
            LEFT JOIN graph_templates_item AS gti
            ON gti.vdef_id=vd.id
            $sql_where
            GROUP BY vd.id
            $sql_having
        ) AS rs");

	return db_fetch_assoc("SELECT rs.*,
		SUM(CASE WHEN local_graph_id=0 THEN 1 ELSE 0 END) AS templates,
        SUM(CASE WHEN local_graph_id>0 THEN 1 ELSE 0 END) AS graphs
        FROM (
            SELECT vd.*, gti.local_graph_id
            FROM vdef AS vd
            LEFT JOIN graph_templates_item AS gti
            ON gti.vdef_id=vd.id
            GROUP BY vd.id, gti.graph_template_id, gti.local_graph_id
        ) AS rs
		$sql_where
		GROUP BY rs.id
		$sql_having
		ORDER BY " . get_request_var('sort_column') . ' ' . get_request_var('sort_direction') .
		' LIMIT ' . ($rows*(get_request_var('page')-1)) . ',' . $rows);
}

function vdef($refresh = true) {
	global $vdef_actions;

    /* ================= input validation and session storage ================= */
    $filters = array(
		'rows' => array(
			'filter' => FILTER_VALIDATE_INT,
			'pageset' => true,
			'default' => read_config_option('num_rows_table')
			),
		'page' => array(
			'filter' => FILTER_VALIDATE_INT,
			'default' => '1'
			),
		'filter' => array(
			'filter' => FILTER_CALLBACK,
			'pageset' => true,
			'default' => '',
			'options' => array('options' => 'sanitize_search_string')
			),
		'sort_column' => array(
			'filter' => FILTER_CALLBACK,
			'default' => 'name',
			'options' => array('options' => 'sanitize_search_string')
			),
		'sort_direction' => array(
			'filter' => FILTER_CALLBACK,
			'default' => 'ASC',
			'options' => array('options' => 'sanitize_search_string')
			),
		'has_graphs' => array(
			'filter' => FILTER_VALIDATE_REGEXP,
			'options' => array('options' => array('regexp' => '(true|false)')),
			'pageset' => true,
			'default' => 'true'
			)
	);

	validate_store_request_vars($filters, 'sess_vdef');
	/* ================= input validation ================= */

	vdef_filter();

	$total_rows = 0;
	$vdefs = array();
	$rows  = get_request_var('rows');

	$vdefs = get_vdef_records($total_rows, $rows);

	form_start('vdef.php', 'chk');

	html_start_box('', '100%', '', '3', 'center', '');

	$nav = html_nav_bar('vdef.php?filter=' . get_request_var('filter'), MAX_DISPLAY_PAGES, get_request_var('page'), get_request_var('rows'), $total_rows, 5, 'VDEFs', 'page', 'main');

    print $nav;

    $display_text = array(
        'name'      => array('display' => 'VDEF Name', 'align' => 'left', 'sort' => 'ASC', 'tip' => 'The name of this VDEF.'),
        'nosort'    => array('display' => 'Deletable', 'align' => 'right', 'tip' => 'VDEFs that are in use can not be Deleted.  In use is defined as being referenced by a Graph or a Graph Template.'),
        'graphs'    => array('display' => 'Graphs Using', 'align' => 'right', 'sort' => 'DESC', 'tip' => 'The number of Graphs using this VDEF.'),
        'templates' => array('display' => 'Templates Using', 'align' => 'right', 'sort' => 'DESC', 'tip' => 'The number of Graphs Templates using this VDEF.')
	);

    html_header_sort_checkbox($display_text, get_request_var('sort_column'), get_request_var('sort_direction'), false);

    $i = 0;
    if (sizeof($vdefs) > 0) {
        foreach ($vdefs as $vdef) {
            if ($vdef['graphs'] == 0 && $vdef['templates'] == 0) {
                $disabled = false;
            }else{
                $disabled = true;
            }

            form_alternate_row('line' . $vdef['id'], false, $disabled);
            form_selectable_cell("<a class='linkEditMain' href='" . htmlspecialchars('vdef.php?action=edit&id=' . $vdef['id']) . "'>" . (strlen(get_request_var('filter')) ? preg_replace('/(' . preg_quote(get_request_var('filter'), '/') . ')/i', "<span class='filteredValue'>\\1</span>", htmlspecialchars($vdef['name'])) : htmlspecialchars($vdef['name'])) . '</a>', $vdef['id']);
            form_selectable_cell($disabled ? 'No':'Yes', $vdef['id'], '', 'text-align:right');
            form_selectable_cell(number_format($vdef['graphs']), $vdef['id'], '', 'text-align:right');
            form_selectable_cell(number_format($vdef['templates']), $vdef['id'], '', 'text-align:right');
            form_checkbox_cell($vdef['name'], $vdef['id'], $disabled);
            form_end_row();
        }
        print $nav;
    }else{
        print "<tr class='tableRow'><td colspan='4'><em>No VDEFs</em></td></tr>\n";
    }
    html_end_box(false);

    /* draw the dropdown containing a list of available actions for this form */
    draw_actions_dropdown($vdef_actions);

    form_end();
}