<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2004-2016 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');

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

/* set default action */
set_default_action();

api_plugin_hook('device_template_top');

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

		break;
	case 'actions':
		form_actions();

		break;
	case 'item_add_gt':
		template_item_add_gt();

		header('Location: host_templates.php?header=false&action=edit&id=' . get_filter_request_var('host_template_id'));
		break;
    case 'item_remove_gt_confirm':
        template_item_remove_gt_confirm();

        break;
	case 'item_remove_gt':
		template_item_remove_gt();

		header('Location: host_templates.php?action=edit&id=' . get_filter_request_var('host_template_id'));
		break;
	case 'item_add_dq':
		template_item_add_dq();

		header('Location: host_templates.php?header=false&action=edit&id=' . get_filter_request_var('host_template_id'));
		break;
    case 'item_remove_dq_confirm':
        template_item_remove_dq_confirm();

        break;
	case 'item_remove_dq':
		template_item_remove_dq();

		header('Location: host_templates.php?action=edit&id=' . get_filter_request_var('host_template_id'));
		break;
	case 'edit':
		top_header();

		template_edit();

		bottom_footer();
		break;
	default:
		top_header();

		template();

		bottom_footer();
		break;
}

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

function form_save() {
	/* ================= input validation ================= */
	get_filter_request_var('id');
	get_filter_request_var('host_template_id');
	get_filter_request_var('snmp_query_id');
	get_filter_request_var('graph_template_id');
	/* ==================================================== */

	if (isset_request_var('save_component_template')) {
		$save['id']   = get_nfilter_request_var('id');
		$save['hash'] = get_hash_host_template(get_nfilter_request_var('id'));
		$save['name'] = form_input_validate(get_nfilter_request_var('name'), 'name', '', false, 3);

		if (!is_error_message()) {
			$host_template_id = sql_save($save, 'host_template');

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

		header('Location: host_templates.php?header=false&action=edit&id=' . (empty($host_template_id) ? get_nfilter_request_var('id') : $host_template_id));
	}
}

function duplicate_host_template($_host_template_id, $host_template_title) {
	global $fields_host_template_edit;

	$host_template              = db_fetch_row_prepared('SELECT * FROM host_template WHERE id = ?', array($_host_template_id));
	$host_template_graphs       = db_fetch_assoc_prepared('SELECT * FROM host_template_graph WHERE host_template_id = ?', array($_host_template_id));
	$host_template_data_queries = db_fetch_assoc_prepared('SELECT * FROM host_template_snmp_query WHERE host_template_id = ?', array($_host_template_id));

	/* substitute the title variable */
	$host_template['name'] = str_replace('<template_title>', $host_template['name'], $host_template_title);

	/* create new entry: host_template */
	$save['id']   = 0;
	$save['hash'] = get_hash_host_template(0);

	reset($fields_host_template_edit);
	while (list($field, $array) = each($fields_host_template_edit)) {
		if (!preg_match('/^hidden/', $array['method'])) {
			$save[$field] = $host_template[$field];
		}
	}

	$host_template_id = sql_save($save, 'host_template');

	/* create new entry(s): host_template_graph */
	if (sizeof($host_template_graphs)) {
		foreach ($host_template_graphs as $host_template_graph) {
			db_execute_prepared('INSERT INTO host_template_graph 
				(host_template_id,graph_template_id) 
				VALUES (?, ?)', 
				array($host_template_id, $host_template_graph['graph_template_id']));
		}
	}

	/* create new entry(s): host_template_snmp_query */
	if (sizeof($host_template_data_queries)) {
		foreach ($host_template_data_queries as $host_template_data_query) {
			db_execute_prepared('INSERT INTO host_template_snmp_query 
				(host_template_id,snmp_query_id) 
				VALUES (?, ?)', 
				array($host_template_id, $host_template_data_query['snmp_query_id']));
		}
	}
}

/* ------------------------
    The "actions" function
   ------------------------ */

function template_item_add_dq() {
	/* ================= input validation ================= */
	get_filter_request_var('host_template_id');
	get_filter_request_var('snmp_query_id');
	/* ==================================================== */

	db_execute_prepared('REPLACE INTO host_template_snmp_query 
		(host_template_id, snmp_query_id) 
		VALUES (?, ?)', 
		array(get_request_var('host_template_id'), get_request_var('snmp_query_id')));
}

function template_item_add_gt() {
	/* ================= input validation ================= */
	get_filter_request_var('host_template_id');
	get_filter_request_var('graph_template_id');
	/* ==================================================== */

	db_execute_prepared('REPLACE INTO host_template_graph 
		(host_template_id, graph_template_id) 
		VALUES (?, ?)', 
		array(get_request_var('host_template_id'), get_request_var('graph_template_id')));
}

function form_actions() {
	global $host_actions;

	/* ================= input validation ================= */
	get_filter_request_var('drp_action', FILTER_VALIDATE_REGEXP, array('options' => array('regexp' => '/^([a-zA-Z0-9_]+)$/')));
	/* ==================================================== */

	/* 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 ($selected_items != false) {
			if (get_nfilter_request_var('drp_action') == '1') { /* delete */
				db_execute('DELETE FROM host_template WHERE ' . array_to_sql_or($selected_items, 'id'));
				db_execute('DELETE FROM host_template_snmp_query WHERE ' . array_to_sql_or($selected_items, 'host_template_id'));
				db_execute('DELETE FROM host_template_graph WHERE ' . array_to_sql_or($selected_items, 'host_template_id'));

				/* "undo" any device that is currently using this template */
				db_execute('UPDATE host SET host_template_id=0 WHERE ' . array_to_sql_or($selected_items, 'host_template_id'));
			}elseif (get_nfilter_request_var('drp_action') == '2') { /* duplicate */
				for ($i=0;($i<count($selected_items));$i++) {
					duplicate_host_template($selected_items[$i], get_nfilter_request_var('title_format'));
				}
			}
		}

		header('Location: host_templates.php?header=false');
		exit;
	}

	/* setup some variables */
	$host_list = ''; $i = 0;

	/* loop through each of the host templates 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]);
			/* ==================================================== */

			$host_list .= '<li>' . htmlspecialchars(db_fetch_cell_prepared('SELECT name FROM host_template WHERE id = ?', array($matches[1]))) . '</li>';
			$host_array[$i] = $matches[1];

			$i++;
		}
	}

	top_header();

	form_start('host_templates.php');

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

	if (isset($host_array) && sizeof($host_array)) {
		if (get_request_var('drp_action') == '1') { /* delete */
			print "<tr>
				<td class='textArea'>
					<p>" . __('Click \'Continue\' to delete the following Device Template(s).') . "</p>
					<div class='itemlist'><ul>$host_list</ul></div>
				</td>
			</tr>\n";

			$save_html = "<input type='button' value='" . __('Cancel') . "' onClick='cactiReturnTo()'>&nbsp;<input type='submit' value='" . __('Continue') . "' title='" . __('Delete Device Template(s)') . "'>";
		}elseif (get_request_var('drp_action') == '2') { /* duplicate */
			print "<tr>
				<td class='textArea'>
					<p>" . __('Click \'Continue\' to duplicate the following Device Template(s).  Optionally change the title for the new Device Template(s).') ."</p>
					<div class='itemlist'><ul>$host_list</ul></div>
					<p><strong>" . __('Title Format:'). "</strong><br>\n"; 

			form_text_box('title_format', '<template_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 Device Template(s)') ."'>";
		}
	}else{
		print "<tr><td class='even'><span class='textError'>" . __('You must select at least one host template.') . "</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($host_array) ? serialize($host_array) : '') . "'>
			<input type='hidden' name='drp_action' value='" . get_request_var('drp_action') . "'>
			$save_html
		</td>
	</tr>\n";

	html_end_box();

	form_end();

	bottom_footer();
}

/* ---------------------
    Template Functions
   --------------------- */

function template_item_remove_gt_confirm() {
	/* ================= input validation ================= */
	get_filter_request_var('id');
	get_filter_request_var('host_template_id');
	/* ==================================================== */

	form_start('host_templates.php?action=edit&id' . get_request_var('host_template_id'));

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

	$template = db_fetch_row_prepared('SELECT * FROM graph_templates WHERE id = ?', array(get_request_var('id')));

	?>
	<tr>
		<td class='topBoxAlt'>
			<p><?php print __('Click \'Continue\' to delete the following Graph Template will be disassociated from the Device Template.');?></p>
			<p><?php print __('Graph Template Name: %s', htmlspecialchars($template['name']));?>'<br>
		</td>
	</tr>
	<tr>
		<td align='right'>
			<input id='cancel' type='button' value='<?php print __('Cancel');?>' onClick='$("#cdialog").dialog("close")' name='cancel'>
			<input id='continue' type='button' value='<?php print __('Continue');?>' name='continue' title='<?php print __('Remove Data Input Field');?>'>
		</td>
	</tr>
	<?php

	html_end_box();

	form_end();

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

	$('#continue').click(function(data) {
		$.post('host_templates.php?action=item_remove_gt', { 
			__csrf_magic: csrfMagicToken, 
			host_template_id: <?php print get_request_var('host_template_id');?>, 
			id: <?php print get_request_var('id');?> 
		}, function(data) {
			$('#cdialog').dialog('close');
			loadPageNoHeader('host_templates.php?action=edit&header=false&id=<?php print get_request_var('host_template_id');?>');
		});
	});
	</script>
	<?php
}

function template_item_remove_gt() {
	/* ================= input validation ================= */
	get_filter_request_var('id');
	get_filter_request_var('host_template_id');
	/* ==================================================== */

	db_execute_prepared('DELETE FROM host_template_graph WHERE graph_template_id = ? AND host_template_id = ?', array(get_request_var('id'), get_request_var('host_template_id')));
}

function template_item_remove_dq_confirm() {
	/* ================= input validation ================= */
	get_filter_request_var('id');
	get_filter_request_var('host_template_id');
	/* ==================================================== */

	form_start('host_templates.php?action=edit&id' . get_request_var('host_template_id'));

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

	$query = db_fetch_row_prepared('SELECT * FROM snmp_query WHERE id = ?', array(get_request_var('id')));

	?>
	<tr>
		<td class='topBoxAlt'>
			<p><?php print __('Click \'Continue\' to delete the following Data Queries will be disassociated from the Device Template.');?></p>
			<p><?php print __('Data Query Name: %s', htmlspecialchars($query['name']));?>'<br>
		</td>
	</tr>
	<tr>
		<td align='right'>
			<input id='cancel' type='button' value='<?php print __('Cancel');?>' onClick='$("#cdialog").dialog("close")' name='cancel'>
			<input id='continue' type='button' value='<?php print __('Continue');?>' name='continue' title='<?php print __('Remove Data Input Field');?>'>
		</td>
	</tr>
	<?php

	html_end_box();

	form_end();

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

	$('#continue').click(function(data) {
		$.post('host_templates.php?action=item_remove_dq', { 
			__csrf_magic: csrfMagicToken, 
			host_template_id: <?php print get_request_var('host_template_id');?>, 
			id: <?php print get_request_var('id');?> 
		}, function(data) {
			$('#cdialog').dialog('close');
			loadPageNoHeader('host_templates.php?action=edit&header=false&id=<?php print get_request_var('host_template_id');?>');
		});
	});
	</script>
	<?php
}

function template_item_remove_dq() {
	/* ================= input validation ================= */
	get_filter_request_var('id');
	get_filter_request_var('host_template_id');
	/* ==================================================== */

	db_execute_prepared('DELETE FROM host_template_snmp_query WHERE snmp_query_id = ? AND host_template_id = ?', array(get_request_var('id'), get_request_var('host_template_id')));
}

function template_edit() {
	global $fields_host_template_edit;

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

	if (!isempty_request_var('id')) {
		$host_template = db_fetch_row_prepared('SELECT * FROM host_template WHERE id = ?', array(get_request_var('id')));
		$header_label = __('Device Templates [edit: %s]', htmlspecialchars($host_template['name']));
	}else{
		$header_label = __('Device Templates [new]');
		set_request_var('id', 0);
	}

	form_start('host_templates.php', 'form_network');

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

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

	/* we have to hide this button to make a form change in the main form trigger the correct
	 * submit action */
	echo "<div style='display:none;'><input type='submit' value='" . __('Default Submit Button') . "'></div>";

	html_end_box();

	if (!isempty_request_var('id')) {
		html_start_box(__('Associated Graph Templates'), '100%', '', '3', 'center', '');

		$selected_graph_templates = db_fetch_assoc_prepared('SELECT
			graph_templates.id,
			graph_templates.name
			FROM (graph_templates,host_template_graph)
			WHERE graph_templates.id = host_template_graph.graph_template_id
			AND host_template_graph.host_template_id = ?
			ORDER BY graph_templates.name', array(get_request_var('id')));

		$i = 0;
		if (sizeof($selected_graph_templates)) {
			foreach ($selected_graph_templates as $item) {
				form_alternate_row("gt$i", true);
				?>
					<td class='left'>
						<strong><?php print $i;?>)</strong> <?php print htmlspecialchars($item['name']);?>
					</td>
					<td class='right'>
						<a class='delete deleteMarker fa fa-remove' title='<?php print __('Delete');?>' href='<?php print htmlspecialchars('host_templates.php?action=item_remove_gt_confirm&id=' . $item['id'] . '&host_template_id=' . get_request_var('id'));?>'></a>
					</td>
				<?php
				form_end_row();

				$i++;
			}
		}else{ 
			print '<tr><td><em>' . __('No associated graph templates.') . '</em></td></tr>'; 
		}

		?>
		<tr class='odd'>
			<td colspan='2'>
				<table>
					<tr style='line-height:10px'>
						<td style='padding-right: 15px;'>
							<?php print __('Add Graph Template');?>
						</td>
						<td>
							<?php form_dropdown('graph_template_id', db_fetch_assoc_prepared('SELECT gt.id, gt.name
								FROM graph_templates AS gt 
								LEFT JOIN host_template_graph AS htg
								ON gt.id=htg.graph_template_id 
								AND htg.host_template_id = ?
								WHERE htg.host_template_id IS NULL
								AND gt.id NOT IN (SELECT graph_template_id FROM snmp_query_graph)
								ORDER BY gt.name', array(get_request_var('id'))),'name','id','','','');?>
						</td>
						<td>
							<input type='button' value='<?php print __('Add');?>' id='add_gt' title='<?php print __('Add Graph Template to Device Template');?>'>
						</td>
					</tr>
				</table>
			</td>
		</tr>

		<?php
		html_end_box();

		html_start_box(__('Associated Data Queries'), '100%', '', '3', 'center', '');

		$selected_data_queries = db_fetch_assoc_prepared('SELECT snmp_query.id, snmp_query.name
			FROM (snmp_query, host_template_snmp_query)
			WHERE snmp_query.id = host_template_snmp_query.snmp_query_id
			AND host_template_snmp_query.host_template_id = ?
			ORDER BY snmp_query.name', array(get_request_var('id')));

		$i = 0;
		if (sizeof($selected_data_queries)) {
			foreach ($selected_data_queries as $item) {
				form_alternate_row("dq$i", true);
				?>
					<td class='left'>
						<strong><?php print $i;?>)</strong> <?php print htmlspecialchars($item['name']);?>
					</td>
					<td class='right'>
						<a class='delete deleteMarker fa fa-remove' title='<?php print __('Delete');?>' href='<?php print htmlspecialchars('host_templates.php?action=item_remove_dq_confirm&id=' . $item['id'] . '&host_template_id=' . get_request_var('id'));?>'></a>
					</td>
				<?php
				form_end_row();

				$i++;
			}
		}else{ 
			print '<tr><td><em>' . __('No associated data queries.') . '</em></td></tr>'; 
		}

		?>
		<tr class='odd'>
			<td colspan='2'>
				<table>
					<tr style='line-height:10px;'>
						<td style='padding-right: 15px;'>
							<?php print __('Add Data Query');?>
						</td>
						<td>
							<?php form_dropdown('snmp_query_id', db_fetch_assoc_prepared('SELECT snmp_query.id, snmp_query.name
								FROM snmp_query LEFT JOIN host_template_snmp_query
								ON (snmp_query.id = host_template_snmp_query.snmp_query_id AND host_template_snmp_query.host_template_id = ?)
								WHERE host_template_snmp_query.host_template_id is null
								ORDER BY snmp_query.name', array(get_request_var('id'))),'name','id','','','');?>
						</td>
						<td>
							<input type='button' value='<?php print __('Add');?>' id='add_dq' title='<?php print __('Add Data Query to Device Template');?>'>
						</td>
					</tr>
				</table>
			</td>
		</tr>

		<?php

		html_end_box();

		api_plugin_hook('device_template_edit');
	}

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

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

	$(function() {
		$('#cdialog').remove();
		$('body').append("<div id='cdialog'></div>");

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

			request = $(this).attr('href');
			$.get(request, function(data) {
				$('#cdialog').html(data);
				applySkin();
				$('#cdialog').dialog({ 
					title: '<?php print __('Delete Data Input Field');?>', 
					close: function () { $('.delete').blur(); $('.selectable').removeClass('selected'); },
					minHeight: 80, 
					minWidth: 500 
				});
			});
		}).css('cursor', 'pointer');

		$('#add_dq').click(function() {
			$.post('host_templates.php?action=item_add_dq', { 
				host_template_id: $('#id').val(), 
				snmp_query_id: $('#snmp_query_id').val(), 
				reindex_method: $('#reindex_method').val(), 
				__csrf_magic: csrfMagicToken 
			}).done(function(data) {
				$('div[class^="ui-"]').remove();
				$('#main').html(data);
				applySkin();
			});
		});

		$('#add_gt').click(function() {
			$.post('host_templates.php?action=item_add_gt', { 
				host_template_id: $('#id').val(), 
				graph_template_id: $('#graph_template_id').val(), 
				__csrf_magic: csrfMagicToken 
			}).done(function(data) {
				$('div[class^="ui-"]').remove();
				$('#main').html(data);
				applySkin();
			});
		});
	});

	</script>
	<?php
	?>
	<script type='text/javascript'>
	$(function() {
	});
	</script>
	<?php
}

function template() {
	global $host_actions, $item_rows;

	/* ================= input validation and session storage ================= */
	$filters = array(
		'rows' => array(
			'filter' => FILTER_VALIDATE_INT, 
			'pageset' => true,
			'default' => '-1'
			),
		'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_hosts' => array(
			'filter' => FILTER_VALIDATE_REGEXP, 
			'options' => array('options' => array('regexp' => '(true|false)')),
			'pageset' => true,
			'default' => read_config_option('default_has') == 'on' ? 'true':'false'
			)
	);

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

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

	html_start_box(__('Device Templates'), '100%', '', '3', 'center', 'host_templates.php?action=edit');

	?>
	<tr class='even noprint'>
		<td>
		<form id='form_host_template' action='host_templates.php'>
			<table class='filterTable'>
				<tr>
					<td>
						<?php print __('Search');?>
					</td>
					<td>
						<input id='filter' type='text' name='filter' size='25' value='<?php print htmlspecialchars(get_request_var('filter'));?>'>
					</td>
					<td class='nowrap'>
						<?php print __('Device Templates');?>
					</td>
					<td>
						<select id='rows' name='rows' onChange='applyFilter()'>
							<option value='-1'<?php print (get_request_var('rows') == '-1' ? ' selected>':'>') . __('Default');?></option>
							<?php
							if (sizeof($item_rows) > 0) {
								foreach ($item_rows as $key => $value) {
									print "<option value='" . $key . "'"; if (get_request_var('rows') == $key) { print ' selected'; } print '>' . htmlspecialchars($value) . "</option>\n";
								}
							}
							?>
						</select>
					</td>
					<td>
						<input type='checkbox' id='has_hosts' <?php print (get_request_var('has_hosts') == 'true' ? 'checked':'');?>>
					</td>
					<td>
						<label for='has_hosts'><?php print __('Has Devices');?></label>
					</td>
					<td>
						<input type='button' id='refresh' value='<?php print __('Go');?>' title='<?php print __('Set/Refresh Filters');?>'>
					</td>
					<td>
						<input type='button' id='clear' value='<?php print __('Clear');?>' title='<?php print __('Clear Filters');?>'>
					</td>
				</tr>
			</table>
		<input type='hidden' id='page' name='page' value='<?php print get_request_var('page');?>'>
		</form>
		</td>
		<script type='text/javascript'>
		function applyFilter() {
			strURL = 'host_templates.php?filter='+$('#filter').val()+'&rows='+$('#rows').val()+'&page='+$('#page').val()+'&has_hosts='+$('#has_hosts').is(':checked')+'&header=false';
			loadPageNoHeader(strURL);
		}

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

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

			$('#clear').click(function() {
				clearFilter();
			});
	
			$('#form_host_template').submit(function(event) {
				event.preventDefault();
				applyFilter();
			});
		});
		</script>
	</tr>
	<?php

	html_end_box();

	/* form the 'where' clause for our main sql query */
	if (get_request_var('filter') != '') {
		$sql_where = "WHERE (host_template.name LIKE '%%" . get_request_var('filter') . "%%')";
	}else{
		$sql_where = '';
	}

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

	$total_rows = db_fetch_cell("SELECT COUNT(rows)
		FROM (
			SELECT
			COUNT(host_template.id) AS rows, COUNT(DISTINCT host.id) AS hosts
			FROM host_template
			LEFT JOIN host ON host.host_template_id=host_template.id
			$sql_where
			GROUP BY host_template.id
			$sql_having
		) AS rs");

	$template_list = db_fetch_assoc("SELECT
		host_template.id,host_template.name, COUNT(DISTINCT host.id) AS hosts
		FROM host_template
		LEFT JOIN host ON host.host_template_id=host_template.id
		$sql_where
		GROUP BY host_template.id
		$sql_having
		ORDER BY " . get_request_var('sort_column') . ' ' . get_request_var('sort_direction') .
		' LIMIT ' . ($rows*(get_request_var('page')-1)) . ',' . $rows);

	$nav = html_nav_bar('host_templates.php?filter=' . get_request_var('filter'), MAX_DISPLAY_PAGES, get_request_var('page'), $rows, $total_rows, 5, __('Device Templates'), 'page', 'main');

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

	print $nav;

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

	$display_text = array(
		'name' => array('display' => __('Device Template Name'), 'align' => 'left', 'sort' => 'ASC', 'tip' => __('The name of this Device Template.')),
		'host_template.id' => array('display' => __('ID'), 'align' => 'right', 'sort' => 'ASC', 'tip' => __('The internal database ID for this Device Template.  Useful when performing automation or debugging.')),
		"nosort" => array('display' => __('Deletable'), 'align' => 'right', 'sort' => '', 'tip' => __('Device Templates in use can not be Deleted.  In use is defined as being referenced by a Device.')),
		'hosts' => array('display' => __('Devices Using'), 'align' => 'right', 'sort' => 'DESC', 'tip' => __('The number of Devices using this Device Template.'))
	);

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

	$i = 0;
	if (sizeof($template_list)) {
		foreach ($template_list as $template) {
			if ($template['hosts'] > 0) {
				$disabled = true;
			}else{
				$disabled = false;
			}

			form_alternate_row('line' . $template['id'], true);
			form_selectable_cell(filter_value($template['name'], get_request_var('filter'), 'host_templates.php?action=edit&id=' . $template['id']), $template['id']);
			form_selectable_cell($template['id'], $template['id'], '', 'text-align:right', $disabled);
			form_selectable_cell($disabled ? __('No'):__('Yes'), $template['id'], '', 'text-align:right', $disabled);
			form_selectable_cell(number_format_i18n($template['hosts']), $template['id'], '', 'text-align:right', $disabled);
			form_checkbox_cell($template['name'], $template['id'], $disabled);
			form_end_row();
		}
	}else{
		print "<tr class='tableRow'><td colspan='4'><em>" . __('No Device Templates Found') . "</em></td></tr>\n";
	}
	html_end_box(false);

	if (sizeof($template_list)) {
		print $nav;
	}

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

	form_end();
}