<?php
/*
** Zabbix
** Copyright (C) 2001-2013 Zabbix SIA
**
** 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.
**/


	function getUserFormData($userid, $isProfile = false) {
		$config = select_config();
		$data = array('is_profile' => $isProfile);

		// get title
		if (isset($userid)) {
			$options = array(
				'userids' => $userid,
				'output' => API_OUTPUT_EXTEND
			);
			if ($data['is_profile']) {
				$options['nodeids'] = id2nodeid($userid);
			}
			$users = API::User()->get($options);

			$user = reset($users);
			$data['title'] = _('User').' "'.$user['alias'].'"';
		}
		else {
			$data['title'] = _('User');
		}

		$data['auth_type'] = isset($userid) ? get_user_system_auth($userid) : $config['authentication_type'];

		if (isset($userid) && (!isset($_REQUEST['form_refresh']) || isset($_REQUEST['register']))) {
			$data['alias']			= $user['alias'];
			$data['name']			= $user['name'];
			$data['surname']		= $user['surname'];
			$data['password1']		= null;
			$data['password2']		= null;
			$data['url']			= $user['url'];
			$data['autologin']		= $user['autologin'];
			$data['autologout']		= $user['autologout'];
			$data['lang']			= $user['lang'];
			$data['theme']			= $user['theme'];
			$data['refresh']		= $user['refresh'];
			$data['rows_per_page']	= $user['rows_per_page'];
			$data['user_type']		= $user['type'];
			$data['messages'] 		= getMessageSettings();

			$userGroups = API::UserGroup()->get(array('userids' => $userid, 'output' => API_OUTPUT_SHORTEN));
			$userGroup = zbx_objectValues($userGroups, 'usrgrpid');
			$data['user_groups']	= zbx_toHash($userGroup);

			$data['user_medias'] = array();
			$dbMedia = DBselect('SELECT m.mediaid,m.mediatypeid,m.period,m.sendto,m.severity,m.active'.
					' FROM media m'.
					' WHERE m.userid='.$userid
			);
			while ($dbMedium = DBfetch($dbMedia)) {
				$data['user_medias'][] = $dbMedium;
			}

			if ($data['autologout'] > 0) {
				$_REQUEST['autologout'] = $data['autologout'];
			}
		}
		else {
			$data['alias']			= get_request('alias', '');
			$data['name']			= get_request('name', '');
			$data['surname']		= get_request('surname', '');
			$data['password1']		= get_request('password1', '');
			$data['password2']		= get_request('password2', '');
			$data['url']			= get_request('url', '');
			$data['autologin']		= get_request('autologin', 0);
			$data['autologout']		= get_request('autologout', 900);
			$data['lang']			= get_request('lang', 'en_gb');
			$data['theme']			= get_request('theme', THEME_DEFAULT);
			$data['refresh']		= get_request('refresh', 30);
			$data['rows_per_page']	= get_request('rows_per_page', 50);
			$data['user_type']		= get_request('user_type', USER_TYPE_ZABBIX_USER);;
			$data['user_groups']	= get_request('user_groups', array());
			$data['change_password']= get_request('change_password', null);
			$data['user_medias']	= get_request('user_medias', array());

			// set messages
			$data['messages'] 		= get_request('messages', array());
			if (!isset($data['messages']['enabled'])) {
				$data['messages']['enabled'] = 0;
			}
			if (!isset($data['messages']['sounds.recovery'])) {
				$data['messages']['sounds.recovery'] = 0;
			}
			if (!isset($data['messages']['triggers.recovery'])) {
				$data['messages']['triggers.recovery'] = 0;
			}
			if (!isset($data['messages']['triggers.severities'])) {
				$data['messages']['triggers.severities'] = array();
			}
			$data['messages'] = array_merge(getMessageSettings(), $data['messages']);
		}

		// set autologout
		if ($data['autologin'] || !isset($data['autologout'])) {
			$data['autologout'] = 0;
		}

		// set media types
		if (!empty($data['user_medias'])) {
			$mediaTypeDescriptions = array();
			$dbMediaTypes = DBselect(
				'SELECT mt.mediatypeid,mt.description FROM media_type mt WHERE '.
					dbConditionInt('mt.mediatypeid', zbx_objectValues($data['user_medias'], 'mediatypeid'))
			);
			while ($dbMediaType = DBfetch($dbMediaTypes)) {
				$mediaTypeDescriptions[$dbMediaType['mediatypeid']] = $dbMediaType['description'];
			}

			foreach ($data['user_medias'] as &$media) {
				$media['description'] = $mediaTypeDescriptions[$media['mediatypeid']];
			}
			unset($media);

			CArrayHelper::sort($data['user_medias'], array('description', 'sendto'));
		}

		// set user rights
		if (!$data['is_profile']) {
			$data['groups'] = API::UserGroup()->get(array('usrgrpids' => $data['user_groups'], 'output' => API_OUTPUT_EXTEND));
			order_result($data['groups'], 'name');

			$group_ids = array_values($data['user_groups']);
			if (count($group_ids) == 0) {
				$group_ids = array(-1);
			}
			$db_rights = DBselect('SELECT r.* FROM rights r WHERE '.dbConditionInt('r.groupid', $group_ids));

			$tmp_permitions = array();
			while ($db_right = DBfetch($db_rights)) {
				if (isset($tmp_permitions[$db_right['id']])) {
					$tmp_permitions[$db_right['id']] = min($tmp_permitions[$db_right['id']], $db_right['permission']);
				}
				else {
					$tmp_permitions[$db_right['id']] = $db_right['permission'];
				}
			}

			$data['user_rights'] = array();
			foreach ($tmp_permitions as $id => $permition) {
				array_push($data['user_rights'], array('id' => $id, 'permission' => $permition));
			}
		}
		return $data;
	}

	function getPermissionsFormList($rights = array(), $user_type = USER_TYPE_ZABBIX_USER, $rightsFormList = null) {
		// nodes
		if (ZBX_DISTRIBUTED) {
			$lists['node']['label']		= _('Nodes');
			$lists['node']['read_write']= new CListBox('nodes_write', null, 10);
			$lists['node']['read_only']	= new CListBox('nodes_read', null, 10);
			$lists['node']['deny']		= new CListBox('nodes_deny', null, 10);

			$lists['node']['read_write']->setAttribute('style', 'background: #EBEFF2;');
			$lists['node']['read_only']->setAttribute('style', 'background: #EBEFF2;');
			$lists['node']['deny']->setAttribute('style', 'background: #EBEFF2;');

			$nodes = get_accessible_nodes_by_rights($rights, $user_type, PERM_DENY, PERM_RES_DATA_ARRAY);
			foreach ($nodes as $node) {
				switch($node['permission']) {
					case PERM_READ_ONLY:
						$list_name = 'read_only';
						break;
					case PERM_READ_WRITE:
						$list_name = 'read_write';
						break;
					default:
						$list_name = 'deny';
				}
				$lists['node'][$list_name]->addItem($node['nodeid'], $node['name']);
			}
			unset($nodes);
		}

		// group
		$lists['group']['label']		= _('Host groups');
		$lists['group']['read_write']	= new CListBox('groups_write', null, 15);
		$lists['group']['read_only']	= new CListBox('groups_read', null, 15);
		$lists['group']['deny']			= new CListBox('groups_deny', null, 15);

		$lists['group']['read_write']->setAttribute('style', 'background: #EBEFF2;');
		$lists['group']['read_only']->setAttribute('style', 'background: #EBEFF2;');
		$lists['group']['deny']->setAttribute('style', 'background: #EBEFF2;');

		$groups = get_accessible_groups_by_rights($rights, $user_type, PERM_DENY, PERM_RES_DATA_ARRAY, get_current_nodeid(true));

		foreach ($groups as $group) {
			switch($group['permission']) {
				case PERM_READ_ONLY:
					$list_name = 'read_only';
					break;
				case PERM_READ_WRITE:
					$list_name = 'read_write';
					break;
				default:
					$list_name = 'deny';
			}
			$lists['group'][$list_name]->addItem($group['groupid'], (empty($group['node_name']) ? '' : $group['node_name'].':' ).$group['name']);
		}
		unset($groups);

		// host
		$lists['host']['label']		= _('Hosts');
		$lists['host']['read_write']= new CListBox('hosts_write', null, 15);
		$lists['host']['read_only']	= new CListBox('hosts_read', null, 15);
		$lists['host']['deny']		= new CListBox('hosts_deny', null, 15);

		$lists['host']['read_write']->setAttribute('style', 'background: #EBEFF2;');
		$lists['host']['read_only']->setAttribute('style', 'background: #EBEFF2;');
		$lists['host']['deny']->setAttribute('style', 'background: #EBEFF2;');

		$hosts = get_accessible_hosts_by_rights($rights, $user_type, PERM_DENY, PERM_RES_DATA_ARRAY, get_current_nodeid(true));

		foreach ($hosts as $host) {
			switch($host['permission']) {
				case PERM_READ_ONLY:
					$list_name = 'read_only';
					break;
				case PERM_READ_WRITE:
					$list_name = 'read_write';
					break;
				default:
					$list_name = 'deny';
			}
			if (HOST_STATUS_PROXY_ACTIVE == $host['status'] || HOST_STATUS_PROXY_PASSIVE == $host['status']) {
				$host['host_name'] = $host['host'];
			}
			$lists['host'][$list_name]->addItem($host['hostid'], (empty($host['node_name']) ? '' : $host['node_name'].':' ).$host['host_name']);
		}
		unset($hosts);

		// display
		if (empty($rightsFormList)) {
			$rightsFormList = new CFormList('rightsFormList');
		}
		$isHeaderDisplayed = false;
		foreach ($lists as $list) {
			$sLabel = '';
			$row = new CRow();
			foreach ($list as $class => $item) {
				if (is_string($item)) {
					$sLabel = $item;
				}
				else {
					$row->addItem(new CCol($item, $class));
				}
			}

			$table = new CTable(_('No accessible resources'), 'right_table');
			if (!$isHeaderDisplayed) {
				$table->setHeader(array(_('Read-write'), _('Read only'), _('Deny')), 'header');
				$isHeaderDisplayed = true;
			}
			$table->addRow($row);
			$rightsFormList->addRow($sLabel, $table);
		}
		return $rightsFormList;
	}

	function prepare_subfilter_output($data, $subfilter, $subfilter_name) {
		$output = array();
		order_result($data, 'name');
		foreach ($data as $id => $element) {
			// subfilter is activated
			if (str_in_array($id, $subfilter)) {
				$span = new CSpan($element['name'].' ('.$element['count'].')', 'subfilter_enabled');
				$script = CHtml::encode('javascript: create_var("zbx_filter", '.CJs::encodeJson($subfilter_name.'['.$id.']').', null, true);');
				$span->onClick($script);
				$output[] = $span;
			}
			// subfilter isn't activated
			else {
				$script = CHtml::encode('javascript: create_var("zbx_filter", '.CJs::encodeJson($subfilter_name.'['.$id.']').', '.CJs::encodeJson($id).', true);');

				// subfilter has 0 items
				if ($element['count'] == 0) {
					$span = new CSpan($element['name'].' ('.$element['count'].')', 'subfilter_inactive');
					$span->onClick($script);
					$output[] = $span;
				}
				else {
					// this level has no active subfilters
					if (empty($subfilter)) {
						$nspan = new CSpan(' ('.$element['count'].')', 'subfilter_active');
					}
					else {
						$nspan = new CSpan(' (+'.$element['count'].')', 'subfilter_active');
					}
					$span = new CSpan($element['name'], 'subfilter_disabled');
					$span->onClick($script);

					$output[] = $span;
					$output[] = $nspan;
				}
			}
			$output[] = ' , ';
		}
		array_pop($output);
		return $output;
	}

	function getItemFilterForm(&$items) {
		$filter_group				= $_REQUEST['filter_group'];
		$filter_hostname			= $_REQUEST['filter_hostname'];
		$filter_application			= $_REQUEST['filter_application'];
		$filter_name				= $_REQUEST['filter_name'];
		$filter_type				= $_REQUEST['filter_type'];
		$filter_key					= $_REQUEST['filter_key'];
		$filter_snmp_community		= $_REQUEST['filter_snmp_community'];
		$filter_snmpv3_securityname	= $_REQUEST['filter_snmpv3_securityname'];
		$filter_snmp_oid			= $_REQUEST['filter_snmp_oid'];
		$filter_port				= $_REQUEST['filter_port'];
		$filter_value_type			= $_REQUEST['filter_value_type'];
		$filter_data_type			= $_REQUEST['filter_data_type'];
		$filter_delay				= $_REQUEST['filter_delay'];
		$filter_history				= $_REQUEST['filter_history'];
		$filter_trends				= $_REQUEST['filter_trends'];
		$filter_status				= $_REQUEST['filter_status'];
		$filter_templated_items		= $_REQUEST['filter_templated_items'];
		$filter_with_triggers		= $_REQUEST['filter_with_triggers'];
		$subfilter_hosts			= $_REQUEST['subfilter_hosts'];
		$subfilter_apps				= $_REQUEST['subfilter_apps'];
		$subfilter_types			= $_REQUEST['subfilter_types'];
		$subfilter_value_types		= $_REQUEST['subfilter_value_types'];
		$subfilter_status			= $_REQUEST['subfilter_status'];
		$subfilter_templated_items	= $_REQUEST['subfilter_templated_items'];
		$subfilter_with_triggers	= $_REQUEST['subfilter_with_triggers'];
		$subfilter_history			= $_REQUEST['subfilter_history'];
		$subfilter_trends			= $_REQUEST['subfilter_trends'];
		$subfilter_interval			= $_REQUEST['subfilter_interval'];

		$form = new CForm('get');
		$form->setAttribute('name', 'zbx_filter');
		$form->setAttribute('id', 'zbx_filter');
		$form->addVar('filter_hostid', get_request('filter_hostid', get_request('hostid', 0)));
		$form->addVar('subfilter_hosts', $subfilter_hosts);
		$form->addVar('subfilter_apps', $subfilter_apps);
		$form->addVar('subfilter_types', $subfilter_types);
		$form->addVar('subfilter_value_types', $subfilter_value_types);
		$form->addVar('subfilter_status', $subfilter_status);
		$form->addVar('subfilter_templated_items', $subfilter_templated_items);
		$form->addVar('subfilter_with_triggers', $subfilter_with_triggers);
		$form->addVar('subfilter_history', $subfilter_history);
		$form->addVar('subfilter_trends', $subfilter_trends);
		$form->addVar('subfilter_interval', $subfilter_interval);

		// type select
		$fTypeVisibility = array();
		$cmbType = new CComboBox('filter_type', $filter_type);
		$cmbType->setAttribute('id', 'filter_type');
		$cmbType->addItem(-1, _('all'));
		foreach (array('filter_delay_label', 'filter_delay') as $vItem) {
			zbx_subarray_push($fTypeVisibility, -1, $vItem);
		}

		$itemTypes = item_type2str();
		unset($itemTypes[ITEM_TYPE_HTTPTEST]); // httptest items are only for internal zabbix logic

		$cmbType->addItems($itemTypes);

		foreach ($itemTypes as $typeNum => $typeLabel) {
			if ($typeNum != ITEM_TYPE_TRAPPER) {
				zbx_subarray_push($fTypeVisibility, $typeNum, 'filter_delay_label');
				zbx_subarray_push($fTypeVisibility, $typeNum, 'filter_delay');
			}

			switch ($typeNum) {
				case ITEM_TYPE_SNMPV1:
				case ITEM_TYPE_SNMPV2C:
					$snmp_types = array(
						'filter_snmp_community_label', 'filter_snmp_community',
						'filter_snmp_oid_label', 'filter_snmp_oid',
						'filter_port_label', 'filter_port'
					);
					foreach ($snmp_types as $vItem) {
						zbx_subarray_push($fTypeVisibility, $typeNum, $vItem);
					}
					break;
				case ITEM_TYPE_SNMPV3:
					foreach (array('filter_snmpv3_securityname_label', 'filter_snmpv3_securityname', 'filter_snmp_oid_label',
						'filter_snmp_oid', 'filter_port_label', 'filter_port') as $vItem) {
						zbx_subarray_push($fTypeVisibility, $typeNum, $vItem);
					}
					break;
			}
		}

		zbx_add_post_js("var filterTypeSwitcher = new CViewSwitcher('filter_type', 'change', ".zbx_jsvalue($fTypeVisibility, true).');');

		// type of information select
		$fVTypeVisibility = array();

		$cmbValType = new CComboBox('filter_value_type', $filter_value_type);
		$cmbValType->addItem(-1, _('all'));
		$cmbValType->addItem(ITEM_VALUE_TYPE_UINT64, _('Numeric (unsigned)'));
		$cmbValType->addItem(ITEM_VALUE_TYPE_FLOAT, _('Numeric (float)'));
		$cmbValType->addItem(ITEM_VALUE_TYPE_STR, _('Character'));
		$cmbValType->addItem(ITEM_VALUE_TYPE_LOG, _('Log'));
		$cmbValType->addItem(ITEM_VALUE_TYPE_TEXT, _('Text'));

		foreach (array('filter_data_type_label','filter_data_type') as $vItem) {
			zbx_subarray_push($fVTypeVisibility, ITEM_VALUE_TYPE_UINT64, $vItem);
		}

		zbx_add_post_js("var filterValueTypeSwitcher = new CViewSwitcher('filter_value_type', 'change', ".zbx_jsvalue($fVTypeVisibility, true).');');

		// status select
		$cmbStatus = new CComboBox('filter_status', $filter_status);
		$cmbStatus->addItem(-1, _('all'));
		foreach (array(ITEM_STATUS_ACTIVE, ITEM_STATUS_DISABLED, ITEM_STATUS_NOTSUPPORTED) as $status) {
			$cmbStatus->addItem($status, item_status2str($status));
		}

		// update interval
		$updateIntervalLabel = new CSpan(array(bold(_('Update interval')), SPACE._('(in sec)').': '));
		$updateIntervalLabel->setAttribute('id', 'filter_delay_label');

		$updateIntervalInput = new CNumericBox('filter_delay', $filter_delay, 5, null, true);
		$updateIntervalInput->setEnabled('no');

		// data type
		$dataTypeLabel = new CSpan(bold(_('Data type').': '));
		$dataTypeLabel->setAttribute('id', 'filter_data_type_label');

		$dataTypeInput = new CComboBox('filter_data_type', $filter_data_type);;
		$dataTypeInput->addItem(-1, _('all'));
		$dataTypeInput->addItems(item_data_type2str());
		$dataTypeInput->setEnabled('no');

		// filter table
		$table = new CTable('', 'filter');
		$table->setCellPadding(0);
		$table->setCellSpacing(0);

		// SNMP community
		$snmpCommunityLabel = new CSpan(array(bold(_('SNMP community')), SPACE._('like').': '));
		$snmpCommunityLabel->setAttribute('id', 'filter_snmp_community_label');

		$snmpCommunityField = new CTextBox('filter_snmp_community', $filter_snmp_community, ZBX_TEXTBOX_FILTER_SIZE);
		$snmpCommunityField->setEnabled('no');

		// SNMPv3 security name
		$snmpSecurityLabel = new CSpan(array(bold(_('SNMPv3 security name')), SPACE._('like').': '));
		$snmpSecurityLabel->setAttribute('id', 'filter_snmpv3_securityname_label');

		$snmpSecurityField = new CTextBox('filter_snmpv3_securityname', $filter_snmpv3_securityname, ZBX_TEXTBOX_FILTER_SIZE);
		$snmpSecurityField->setEnabled('no');

		// SNMP OID
		$snmpOidLabel = new CSpan(array(bold(_('SNMP OID')), SPACE._('like').': '));
		$snmpOidLabel->setAttribute('id', 'filter_snmp_oid_label');

		$snmpOidField = new CTextBox('filter_snmp_oid', $filter_snmp_oid, ZBX_TEXTBOX_FILTER_SIZE);
		$snmpOidField->setEnabled('no');

		// port
		$portLabel = new CSpan(array(bold(_('Port')), SPACE._('like').': '));
		$portLabel->setAttribute('id', 'filter_port_label');

		$portField = new CNumericBox('filter_port', $filter_port, 5, null, true);
		$portField->setEnabled('no');

		// row 1
		$table->addRow(array(
			new CCol(bold(_('Host group').': '), 'label col1'),
			new CCol(array(
				new CTextBox('filter_group', $filter_group, ZBX_TEXTBOX_FILTER_SIZE),
				new CButton('btn_group', _('Select'),
					'return PopUp("popup.php?srctbl=host_group&srcfld1=name'.
						'&dstfrm='.$form->getName().'&dstfld1=filter_group", 450, 450);',
					'G'
				)
			), 'col1'),
			new CCol(bold(_('Type').': '), 'label col2'),
			new CCol($cmbType, 'col2'),
			new CCol(bold(_('Type of information').': '), 'label col3'),
			new CCol($cmbValType, 'col3'),
			new CCol(bold(_('Status').': '), 'label col4'),
			new CCol($cmbStatus, 'col4'),
		));
		// row 2
		$table->addRow(array(
			new CCol(bold(_('Host').': '), 'label'),
			new CCol(array(
				new CTextBox('filter_hostname', $filter_hostname, ZBX_TEXTBOX_FILTER_SIZE),
				new CButton('btn_host', _('Select'),
					'return PopUp("popup.php?srctbl=hosts_and_templates&srcfld1=hostid&srcfld2=name'.
					'&dstfrm='.$form->getName().'&dstfld1=filter_hostid&dstfld2=filter_hostname'.
					'&group=" + jQuery("#filter_group").val(), 450, 450);', 'H'
				)
			)),
			new CCol($updateIntervalLabel, 'label'),
			new CCol($updateIntervalInput),
			new CCol($dataTypeLabel, 'label'),
			new CCol($dataTypeInput),
			new CCol(bold(_('Triggers').': '), 'label'),
			new CCol(new CComboBox('filter_with_triggers', $filter_with_triggers, null, array(
				-1 => _('all'),
				1 => _('With triggers'),
				0 => _('Without triggers')
			))),
		));
		// row 3
		$table->addRow(array(
			new CCol(bold(_('Application').': '), 'label'),
			new CCol(array(
				new CTextBox('filter_application', $filter_application, ZBX_TEXTBOX_FILTER_SIZE),
				new CButton('btn_app', _('Select'),
					'return PopUp("popup.php?srctbl=applications&srcfld1=name'.
						'&dstfrm='.$form->getName().'&dstfld1=filter_application'.
						'&with_applications=1&host=" + jQuery("#filter_hostname").val()'
						.', 550, 450, "application");',
					'A'
				)
			)),
			new CCol(array($snmpCommunityLabel, $snmpSecurityLabel), 'label'),
			new CCol(array($snmpCommunityField, $snmpSecurityField)),
			new CCol(array(bold(_('Keep history')), SPACE._('(in days)').': '), 'label'),
			new CCol(new CNumericBox('filter_history', $filter_history, 8, null, true)),
			new CCol(bold(_('Template').': '), 'label'),
			new CCol(new CComboBox('filter_templated_items', $filter_templated_items, null, array(
				-1 => _('all'),
				1 => _('Templated items'),
				0 => _('Not Templated items'),
			))),
		));
		// row 4
		$table->addRow(array(
			new CCol(array(bold(_('Name')), SPACE._('like').': '), 'label'),
			new CCol(new CTextBox('filter_name', $filter_name, ZBX_TEXTBOX_FILTER_SIZE)),
			new CCol($snmpOidLabel, 'label'),
			new CCol($snmpOidField),
			new CCol(array(bold(_('Keep trends')), SPACE._('(in days)').': '), 'label'),
			new CCol(new CNumericBox('filter_trends', $filter_trends, 8, null, true)),
			new CCol(null, 'label'),
			new CCol(),
		));
		// row 5
		$table->addRow(array(
			new CCol(array(bold(_('Key')), SPACE._('like').': '), 'label'),
			new CCol(new CTextBox('filter_key', $filter_key, ZBX_TEXTBOX_FILTER_SIZE)),
			new CCol($portLabel, 'label'),
			new CCol($portField),
			new CCol(null, 'label'),
			new CCol(),
			new CCol(null, 'label'),
			new CCol(),
		));

		$reset = new CButton('reset', _('Reset'), "javascript: clearAllForm('zbx_filter');");
		$reset->useJQueryStyle();

		$filter = new CButton('filter', _('Filter'), "javascript: create_var('zbx_filter', 'filter_set', '1', true);");
		$filter->useJQueryStyle('main');

		$div_buttons = new CDiv(array($filter, SPACE, $reset));
		$div_buttons->setAttribute('style', 'padding: 4px 0px;');

		$footer = new CCol($div_buttons, 'controls', 8);

		$table->addRow($footer);
		$form->addItem($table);

		// subfilters
		$table_subfilter = new CTable(null, 'filter sub-filter');

		// array contains subfilters and number of items in each
		$item_params = array(
			'hosts' => array(),
			'applications' => array(),
			'types' => array(),
			'value_types' => array(),
			'status' => array(),
			'templated_items' => array(),
			'with_triggers' => array(),
			'history' => array(),
			'trends' => array(),
			'interval' => array()
		);

		// generate array with values for subfilters of selected items
		foreach ($items as $item) {
			// hosts
			if (zbx_empty($filter_hostname)) {
				$host = reset($item['hosts']);

				if (!isset($item_params['hosts'][$host['hostid']])) {
					$item_params['hosts'][$host['hostid']] = array('name' => $host['name'], 'count' => 0);
				}
				$show_item = true;
				foreach ($item['subfilters'] as $name => $value) {
					if ($name == 'subfilter_hosts') {
						continue;
					}
					$show_item &= $value;
				}
				if ($show_item) {
					$host = reset($item['hosts']);
					$item_params['hosts'][$host['hostid']]['count']++;
				}
			}

			// applications
			if (!empty($item['applications'])) {
				foreach ($item['applications'] as $application) {
					if (!isset($item_params['applications'][$application['name']])) {
						$item_params['applications'][$application['name']] = array('name' => $application['name'], 'count' => 0);
					}
				}
			}
			$show_item = true;
			foreach ($item['subfilters'] as $name => $value) {
				if ($name == 'subfilter_apps') {
					continue;
				}
				$show_item &= $value;
			}
			$sel_app = false;
			if ($show_item) {
				// if any of item applications are selected
				foreach ($item['applications'] as $app) {
					if (str_in_array($app['name'], $subfilter_apps)) {
						$sel_app = true;
						break;
					}
				}
				foreach ($item['applications'] as $app) {
					if (str_in_array($app['name'], $subfilter_apps) || !$sel_app) {
						$item_params['applications'][$app['name']]['count']++;
					}
				}
			}

			// types
			if ($filter_type == -1) {
				if (!isset($item_params['types'][$item['type']])) {
					$item_params['types'][$item['type']] = array('name' => item_type2str($item['type']), 'count' => 0);
				}
				$show_item = true;
				foreach ($item['subfilters'] as $name => $value) {
					if ($name == 'subfilter_types') {
						continue;
					}
					$show_item &= $value;
				}
				if ($show_item) {
					$item_params['types'][$item['type']]['count']++;
				}
			}

			// value types
			if ($filter_value_type == -1) {
				if (!isset($item_params['value_types'][$item['value_type']])) {
					$item_params['value_types'][$item['value_type']] = array(
						'name' => itemValueTypeString($item['value_type']),
						'count' => 0
					);
				}

				$show_item = true;
				foreach ($item['subfilters'] as $name => $value) {
					if ($name == 'subfilter_value_types') {
						continue;
					}
					$show_item &= $value;
				}
				if ($show_item) {
					$item_params['value_types'][$item['value_type']]['count']++;
				}
			}

			// status
			if ($filter_status == -1) {
				if (!isset($item_params['status'][$item['status']])) {
					$item_params['status'][$item['status']] = array(
						'name' => item_status2str($item['status']),
						'count' => 0
					);
				}
				$show_item = true;
				foreach ($item['subfilters'] as $name => $value) {
					if ($name == 'subfilter_status') {
						continue;
					}
					$show_item &= $value;
				}
				if ($show_item) {
					$item_params['status'][$item['status']]['count']++;
				}
			}

			// template
			if ($filter_templated_items == -1) {
				if ($item['templateid'] == 0 && !isset($item_params['templated_items'][0])) {
					$item_params['templated_items'][0] = array('name' => _('Not Templated items'), 'count' => 0);
				}
				elseif ($item['templateid'] > 0 && !isset($item_params['templated_items'][1])) {
					$item_params['templated_items'][1] = array('name' => _('Templated items'), 'count' => 0);
				}
				$show_item = true;
				foreach ($item['subfilters'] as $name => $value) {
					if ($name == 'subfilter_templated_items') {
						continue;
					}
					$show_item &= $value;
				}
				if ($show_item) {
					if ($item['templateid'] == 0) {
						$item_params['templated_items'][0]['count']++;
					}
					else {
						$item_params['templated_items'][1]['count']++;
					}
				}
			}

			// with triggers
			if ($filter_with_triggers == -1) {
				if (count($item['triggers']) == 0 && !isset($item_params['with_triggers'][0])) {
					$item_params['with_triggers'][0] = array('name' => _('Without triggers'), 'count' => 0);
				}
				elseif (count($item['triggers']) > 0 && !isset($item_params['with_triggers'][1])) {
					$item_params['with_triggers'][1] = array('name' => _('With triggers'), 'count' => 0);
				}
				$show_item = true;
				foreach ($item['subfilters'] as $name => $value) {
					if ($name == 'subfilter_with_triggers') {
						continue;
					}
					$show_item &= $value;
				}
				if ($show_item) {
					if (count($item['triggers']) == 0) {
						$item_params['with_triggers'][0]['count']++;
					}
					else {
						$item_params['with_triggers'][1]['count']++;
					}
				}
			}

			// trends
			if (zbx_empty($filter_trends)) {
				if (!isset($item_params['trends'][$item['trends']])) {
					$item_params['trends'][$item['trends']] = array('name' => $item['trends'], 'count' => 0);
				}
				$show_item = true;
				foreach ($item['subfilters'] as $name => $value) {
					if ($name == 'subfilter_trends') {
						continue;
					}
					$show_item &= $value;
				}
				if ($show_item) {
					$item_params['trends'][$item['trends']]['count']++;
				}
			}

			// history
			if (zbx_empty($filter_history)) {
				if (!isset($item_params['history'][$item['history']])) {
					$item_params['history'][$item['history']] = array('name' => $item['history'], 'count' => 0);
				}
				$show_item = true;
				foreach ($item['subfilters'] as $name => $value) {
					if ($name == 'subfilter_history') {
						continue;
					}
					$show_item &= $value;
				}
				if ($show_item) {
					$item_params['history'][$item['history']]['count']++;
				}
			}

			// interval
			if (zbx_empty($filter_delay) && $filter_type != ITEM_TYPE_TRAPPER) {
				if (!isset($item_params['interval'][$item['delay']])) {
					$item_params['interval'][$item['delay']] = array('name' => $item['delay'], 'count' => 0);
				}
				$show_item = true;
				foreach ($item['subfilters'] as $name => $value) {
					if ($name == 'subfilter_interval') {
						continue;
					}
					$show_item &= $value;
				}
				if ($show_item) {
					$item_params['interval'][$item['delay']]['count']++;
				}
			}
		}

		// output
		if (zbx_empty($filter_hostname) && count($item_params['hosts']) > 1) {
			$hosts_output = prepare_subfilter_output($item_params['hosts'], $subfilter_hosts, 'subfilter_hosts');
			$table_subfilter->addRow(array(_('Hosts'), $hosts_output));
		}

		if (!empty($item_params['applications']) && count($item_params['applications']) > 1) {
			$application_output = prepare_subfilter_output($item_params['applications'], $subfilter_apps, 'subfilter_apps');
			$table_subfilter->addRow(array(_('Applications'), $application_output));
		}

		if ($filter_type == -1 && count($item_params['types']) > 1) {
			$type_output = prepare_subfilter_output($item_params['types'], $subfilter_types, 'subfilter_types');
			$table_subfilter->addRow(array(_('Types'), $type_output));
		}

		if ($filter_value_type == -1 && count($item_params['value_types']) > 1) {
			$value_types_output = prepare_subfilter_output($item_params['value_types'], $subfilter_value_types, 'subfilter_value_types');
			$table_subfilter->addRow(array(_('Type of information'), $value_types_output));
		}

		if ($filter_status == -1 && count($item_params['status']) > 1) {
			$status_output = prepare_subfilter_output($item_params['status'], $subfilter_status, 'subfilter_status');
			$table_subfilter->addRow(array(_('Status'), $status_output));
		}

		if ($filter_templated_items == -1 && count($item_params['templated_items']) > 1) {
			$templated_items_output = prepare_subfilter_output($item_params['templated_items'], $subfilter_templated_items, 'subfilter_templated_items');
			$table_subfilter->addRow(array(_('Template'), $templated_items_output));
		}

		if ($filter_with_triggers == -1 && count($item_params['with_triggers']) > 1) {
			$with_triggers_output = prepare_subfilter_output($item_params['with_triggers'], $subfilter_with_triggers, 'subfilter_with_triggers');
			$table_subfilter->addRow(array(_('With triggers'), $with_triggers_output));
		}

		if (zbx_empty($filter_history) && count($item_params['history']) > 1) {
			$history_output = prepare_subfilter_output($item_params['history'], $subfilter_history, 'subfilter_history');
			$table_subfilter->addRow(array(_('History'), $history_output));
		}

		if (zbx_empty($filter_trends) && (count($item_params['trends']) > 1)) {
			$trends_output = prepare_subfilter_output($item_params['trends'], $subfilter_trends, 'subfilter_trends');
			$table_subfilter->addRow(array(_('Trends'), $trends_output));
		}

		if (zbx_empty($filter_delay) && $filter_type != ITEM_TYPE_TRAPPER && count($item_params['interval']) > 1) {
			$interval_output = prepare_subfilter_output($item_params['interval'], $subfilter_interval, 'subfilter_interval');
			$table_subfilter->addRow(array(_('Interval'), $interval_output));
		}

		$form->addItem(new CDiv(_('Subfilter [affects only filtered data!]'), 'thin_header'));
		$form->addItem($table_subfilter);
		return $form;
	}

	function getItemFormData($options = array()) {
		$ifm = get_request('filter_macro');
		$ifv = get_request('filter_value');

		$data = array(
			'form' => get_request('form'),
			'form_refresh' => get_request('form_refresh'),
			'is_discovery_rule' => !empty($options['is_discovery_rule']),
			'parent_discoveryid' => get_request('parent_discoveryid', !empty($options['is_discovery_rule']) ? get_request('itemid', null) : null),
			'itemid' => get_request('itemid', null),
			'limited' => false,
			'interfaceid' => get_request('interfaceid', 0),
			'name' => get_request('name', ''),
			'description' => get_request('description', ''),
			'key' => get_request('key', ''),
			'hostname' => get_request('hostname', null),
			'delay' => get_request('delay', ZBX_ITEM_DELAY_DEFAULT),
			'history' => get_request('history', 90),
			'status' => get_request('status', 0),
			'type' => get_request('type', 0),
			'snmp_community' => get_request('snmp_community', 'public'),
			'snmp_oid' => get_request('snmp_oid', 'interfaces.ifTable.ifEntry.ifInOctets.1'),
			'port' => get_request('port', ''),
			'value_type' => get_request('value_type', ITEM_VALUE_TYPE_UINT64),
			'data_type' => get_request('data_type', ITEM_DATA_TYPE_DECIMAL),
			'trapper_hosts' => get_request('trapper_hosts', ''),
			'units' => get_request('units', ''),
			'valuemapid' => get_request('valuemapid', 0),
			'params' => get_request('params', ''),
			'multiplier' => get_request('multiplier', 0),
			'delta' => get_request('delta', 0),
			'trends' => get_request('trends', DAY_IN_YEAR),
			'new_application' => get_request('new_application', ''),
			'applications' => get_request('applications', array()),
			'delay_flex' => get_request('delay_flex', array()),
			'new_delay_flex' => get_request('new_delay_flex', array('delay' => 50, 'period' => ZBX_DEFAULT_INTERVAL)),
			'snmpv3_securityname' => get_request('snmpv3_securityname', ''),
			'snmpv3_securitylevel' => get_request('snmpv3_securitylevel', 0),
			'snmpv3_authpassphrase' => get_request('snmpv3_authpassphrase', ''),
			'snmpv3_privpassphrase' => get_request('snmpv3_privpassphrase', ''),
			'ipmi_sensor' => get_request('ipmi_sensor', ''),
			'authtype' => get_request('authtype', 0),
			'username' => get_request('username', ''),
			'password' => get_request('password', ''),
			'publickey' => get_request('publickey', ''),
			'privatekey' => get_request('privatekey', ''),
			'formula' => get_request('formula', 1),
			'logtimefmt' => get_request('logtimefmt', ''),
			'inventory_link' => get_request('inventory_link', 0),
			'add_groupid' => get_request('add_groupid', get_request('groupid', 0)),
			'valuemaps' => null,
			'possibleHostInventories' => null,
			'alreadyPopulated' => null,
			'lifetime' => get_request('lifetime', 30),
			'filter' => isset($ifm, $ifv) ? $ifm.':'.$ifv : '',
			'initial_item_type' => null,
			'templates' => array()
		);

		// hostid
		if (!empty($data['parent_discoveryid'])) {
			$discoveryRule = API::DiscoveryRule()->get(array(
				'itemids' => $data['parent_discoveryid'],
				'output' => API_OUTPUT_EXTEND,
				'editable' => true
			));
			$discoveryRule = reset($discoveryRule);
			$data['hostid'] = $discoveryRule['hostid'];
		}
		else {
			$data['hostid'] = get_request('form_hostid', get_request('hostid', 0));
		}

		// types, http items only for internal processes
		$data['types'] = item_type2str();
		unset($data['types'][ITEM_TYPE_HTTPTEST]);

		// item
		if (!empty($data['itemid'])) {
			$options = array(
				'itemids' => $data['itemid'],
				'output' => API_OUTPUT_EXTEND
			);
			if ($data['is_discovery_rule']) {
				$options['hostids'] = $data['hostid'];
				$options['editable'] = true;
				$data['item'] = API::DiscoveryRule()->get($options);
			}
			else {
				$options['filter'] = array('flags' => null);
				$data['item'] = API::Item()->get($options);
			}
			$data['item'] = reset($data['item']);
			$data['hostid'] = !empty($data['hostid']) ? $data['hostid'] : $data['item']['hostid'];
			$data['limited'] = $data['item']['templateid'] != 0;

			// get templates
			$itemid = $data['itemid'];
			do {
				$options = array(
					'itemids' => $itemid,
					'output' => array('itemid', 'templateid'),
					'selectHosts' => array('name')
				);
				if ($data['is_discovery_rule']) {
					$item = API::DiscoveryRule()->get($options);
				}
				else {
					$options['selectDiscoveryRule'] = array('itemid');
					$options['filter'] = array('flags' => null);
					$item = API::Item()->get($options);
				}
				$item = reset($item);

				if (!empty($item)) {
					$host = reset($item['hosts']);
					if (!empty($item['hosts'])) {
						if (bccomp($data['itemid'], $itemid) == 0) {
						}
						// discovery rule
						elseif ($data['is_discovery_rule']) {
							$data['templates'][] = new CLink($host['name'], 'host_discovery.php?form=update&itemid='.$item['itemid'], 'highlight underline weight_normal');
							$data['templates'][] = SPACE.RARR.SPACE;
						}
						// item prototype
						elseif ($item['discoveryRule']) {
							$data['templates'][] = new CLink($host['name'], 'disc_prototypes.php?form=update&itemid='.$item['itemid'].'&parent_discoveryid='.$item['discoveryRule']['itemid'], 'highlight underline weight_normal');
							$data['templates'][] = SPACE.RARR.SPACE;
						}
						// plain item
						else {
							$data['templates'][] = new CLink($host['name'], 'items.php?form=update&itemid='.$item['itemid'], 'highlight underline weight_normal');
							$data['templates'][] = SPACE.RARR.SPACE;
						}
					}
					$itemid = $item['templateid'];
				}
				else {
					break;
				}
			} while ($itemid != 0);
			$data['templates'] = array_reverse($data['templates']);
			array_shift($data['templates']);
		}

		// caption
		if (!empty($data['is_discovery_rule'])) {
			$data['caption'] = _('Discovery rule');
		}
		else {
			$data['caption'] = !empty($data['parent_discoveryid']) ? _('Item prototype') : _('Item');
		}

		// hostname
		if (empty($data['hostname'])) {
			if (!empty($data['hostid'])) {
				$hostInfo = API::Host()->get(array(
					'hostids' => $data['hostid'],
					'output' => array('name'),
					'templated_hosts' => true
				));
				$hostInfo = reset($hostInfo);
				$data['hostname'] = $hostInfo['name'];
			}
			else {
				$data['hostname'] = _('not selected');
			}
		}

		// fill data from item
		if ((!empty($data['itemid']) && !isset($_REQUEST['form_refresh'])) || ($data['limited'] && !isset($_REQUEST['form_refresh']))) {
			$data['name'] = $data['item']['name'];
			$data['description'] = $data['item']['description'];
			$data['key'] = $data['item']['key_'];
			$data['interfaceid'] = $data['item']['interfaceid'];
			$data['type'] = $data['item']['type'];
			$data['snmp_community'] = $data['item']['snmp_community'];
			$data['snmp_oid'] = $data['item']['snmp_oid'];
			$data['port'] = $data['item']['port'];
			$data['value_type'] = $data['item']['value_type'];
			$data['data_type'] = $data['item']['data_type'];
			$data['trapper_hosts'] = $data['item']['trapper_hosts'];
			$data['units'] = $data['item']['units'];
			$data['valuemapid'] = $data['item']['valuemapid'];
			$data['multiplier'] = $data['item']['multiplier'];
			$data['hostid'] = $data['item']['hostid'];
			$data['params'] = $data['item']['params'];
			$data['snmpv3_securityname'] = $data['item']['snmpv3_securityname'];
			$data['snmpv3_securitylevel'] = $data['item']['snmpv3_securitylevel'];
			$data['snmpv3_authpassphrase'] = $data['item']['snmpv3_authpassphrase'];
			$data['snmpv3_privpassphrase'] = $data['item']['snmpv3_privpassphrase'];
			$data['ipmi_sensor'] = $data['item']['ipmi_sensor'];
			$data['authtype'] = $data['item']['authtype'];
			$data['username'] = $data['item']['username'];
			$data['password'] = $data['item']['password'];
			$data['publickey'] = $data['item']['publickey'];
			$data['privatekey'] = $data['item']['privatekey'];
			$data['formula'] = $data['item']['formula'];
			$data['logtimefmt'] = $data['item']['logtimefmt'];
			$data['inventory_link'] = $data['item']['inventory_link'];
			$data['new_application'] = get_request('new_application', '');
			$data['lifetime'] = $data['item']['lifetime'];
			$data['filter'] = $data['item']['filter'];

			if (!$data['limited'] || !isset($_REQUEST['form_refresh'])) {
				$data['delay'] = $data['item']['delay'];
				if (($data['type'] == ITEM_TYPE_TRAPPER || $data['type'] == ITEM_TYPE_SNMPTRAP) && $data['delay'] == 0) {
					$data['delay'] = ZBX_ITEM_DELAY_DEFAULT;
				}
				$data['history'] = $data['item']['history'];
				$data['status'] = $data['item']['status'];
				$data['delta'] = $data['item']['delta'];
				$data['trends'] = $data['item']['trends'];

				$db_delay_flex = $data['item']['delay_flex'];
				if (isset($db_delay_flex)) {
					$arr_of_dellays = explode(';', $db_delay_flex);
					foreach ($arr_of_dellays as $one_db_delay) {
						$arr_of_delay = explode('/', $one_db_delay);
						if (!isset($arr_of_delay[0]) || !isset($arr_of_delay[1])) {
							continue;
						}
						array_push($data['delay_flex'], array('delay' => $arr_of_delay[0], 'period' => $arr_of_delay[1]));
					}
				}
				$data['applications'] = array_unique(zbx_array_merge($data['applications'], get_applications_by_itemid($data['itemid'])));
			}
		}

		// aplications
		if (count($data['applications']) == 0) {
			array_push($data['applications'], 0);
		}
		$data['db_applications'] = DBfetchArray(DBselect(
			'SELECT DISTINCT a.applicationid,a.name'.
			' FROM applications a'.
			' WHERE a.hostid='.$data['hostid']
		));
		order_result($data['db_applications'], 'name');

		// interfaces
		$data['interfaces'] = API::HostInterface()->get(array(
			'hostids' => $data['hostid'],
			'output' => API_OUTPUT_EXTEND
		));

		// valuemapid
		if ($data['limited']) {
			if (!empty($data['valuemapid'])) {
				if ($map_data = DBfetch(DBselect('SELECT v.name FROM valuemaps v WHERE v.valuemapid='.$data['valuemapid']))) {
					$data['valuemaps'] = $map_data['name'];
				}
			}
		}
		else {
			$data['valuemaps'] = DBfetchArray(DBselect('SELECT v.* FROM valuemaps v WHERE '.DBin_node('v.valuemapid')));
			order_result($data['valuemaps'], 'name');
		}

		// possible host inventories
		if (empty($data['parent_discoveryid'])) {
			$data['possibleHostInventories'] = getHostInventories();

			// get already populated fields by other items
			$data['alreadyPopulated'] = API::item()->get(array(
				'output' => array('inventory_link'),
				'filter' => array('hostid' => $data['hostid']),
				'nopermissions' => true
			));
			$data['alreadyPopulated'] = zbx_toHash($data['alreadyPopulated'], 'inventory_link');
		}

		// host groups
		$data['hostGroups'] = API::HostGroup()->get(array(
			'editable' => true,
			'output' => API_OUTPUT_EXTEND
		));
		order_result($data['hostGroups'], 'name');

		// template
		$data['is_template'] = isTemplate($data['hostid']);

		return $data;
	}

	function getCopyElementsFormData($elements_field, $title = null) {
		$data = array(
			'title' => $title,
			'elements_field' => $elements_field,
			'elements' => get_request($elements_field, array()),
			'copy_type' => get_request('copy_type', 0),
			'filter_groupid' => get_request('filter_groupid', 0),
			'copy_targetid' => get_request('copy_targetid', array()),
			'hostid' => get_request('hostid', 0),
			'groups' => array(),
			'hosts' => array()
		);

		// validate elements
		if (empty($data['elements']) || !is_array($data['elements'])) {
			error(_('Incorrect list of items.'));
			return null;
		}

		// get groups
		$data['groups'] = API::HostGroup()->get(array('output' => API_OUTPUT_EXTEND));
		order_result($data['groups'], 'name');

		// get hosts
		if ($data['copy_type'] == 0) {
			foreach ($data['groups'] as $group) {
				if (empty($data['filter_groupid'])) {
					$data['filter_groupid'] = $group['groupid'];
				}
			}
			$data['hosts'] = API::Host()->get(array(
				'output' => API_OUTPUT_EXTEND,
				'groupids' => $data['filter_groupid'],
				'templated_hosts' => true
			));
			order_result($data['hosts'], 'name');
		}
		return $data;
	}

	function getTriggerMassupdateFormData() {
		$data = array(
			'visible' => get_request('visible', array()),
			'priority' => get_request('priority', ''),
			'dependencies' => get_request('dependencies', array()),
			'massupdate' => get_request('massupdate', 1),
			'parent_discoveryid' => get_request('parent_discoveryid'),
			'go' => get_request('go', 'massupdate'),
			'g_triggerid' => get_request('g_triggerid', array()),
			'priority' => get_request('priority', 0),
			'config' => select_config(),
			'hostid' => get_request('hostid', 0)
		);

		// get dependencies
		$data['dependencies'] = API::Trigger()->get(array(
			'triggerids' => $data['dependencies'],
			'output' => array('triggerid', 'description'),
			'preservekeys' => true,
			'selectHosts' => array('name')
		));
		foreach ($data['dependencies'] as &$dependency) {
			if (!empty($dependency['hosts'][0]['name'])) {
				$dependency['host'] = $dependency['hosts'][0]['name'];
			}
			unset($dependency['hosts']);
		}
		order_result($data['dependencies'], 'description');

		return $data;
	}

	function getTriggerFormData() {
		$data = array(
			'form' => get_request('form'),
			'form_refresh' => get_request('form_refresh'),
			'parent_discoveryid' => get_request('parent_discoveryid'),
			'dependencies' => get_request('dependencies', array()),
			'db_dependencies' => array(),
			'triggerid' => get_request('triggerid'),
			'expression' => get_request('expression', ''),
			'expr_temp' => get_request('expr_temp', ''),
			'description' => get_request('description', ''),
			'type' => get_request('type', 0),
			'priority' => get_request('priority', 0),
			'status' => get_request('status', 0),
			'comments' => get_request('comments', ''),
			'url' => get_request('url', ''),
			'input_method' => get_request('input_method', IM_ESTABLISHED),
			'limited' => null,
			'templates' => array(),
			'hostid' => get_request('hostid', 0)
		);

		if (!empty($data['triggerid'])) {
			// get trigger
			$options = array(
				'output' => API_OUTPUT_EXTEND,
				'selectHosts' => array('hostid'),
				'triggerids' => $data['triggerid']
			);
			$trigger = ($data['parent_discoveryid']) ? API::TriggerPrototype()->get($options) : API::Trigger()->get($options);
			$data['trigger'] = reset($trigger);
			if (!empty($data['trigger']['description'])) {
				$data['description'] = $data['trigger']['description'];
			}

			// get templates
			$tmp_triggerid = $data['triggerid'];
			do {
				$db_triggers = DBfetch(DBselect(
					'SELECT t.triggerid,t.templateid,id.parent_itemid,h.name,h.hostid'.
					' FROM triggers t'.
						' LEFT JOIN functions f ON t.triggerid=f.triggerid'.
						' LEFT JOIN items i ON f.itemid=i.itemid'.
						' LEFT JOIN hosts h ON i.hostid=h.hostid'.
						' LEFT JOIN item_discovery id ON i.itemid=id.itemid'.
					' WHERE t.triggerid='.$tmp_triggerid
				));
				if (bccomp($data['triggerid'], $tmp_triggerid) != 0) {
					// parent trigger prototype link
					if ($data['parent_discoveryid']) {
						$link = 'trigger_prototypes.php?form=update&triggerid='.$db_triggers['triggerid'].'&parent_discoveryid='.$db_triggers['parent_itemid'].'&hostid='.$db_triggers['hostid'];
					}
					// parent trigger link
					else {
						$link = 'triggers.php?form=update&triggerid='.$db_triggers['triggerid'].'&hostid='.$db_triggers['hostid'];
					}

					$data['templates'][] = new CLink($db_triggers['name'], $link, 'highlight underline weight_normal');
					$data['templates'][] = SPACE.RARR.SPACE;
				}
				$tmp_triggerid = $db_triggers['templateid'];
			} while ($tmp_triggerid != 0);
			$data['templates'] = array_reverse($data['templates']);
			array_shift($data['templates']);

			$data['limited'] = $data['trigger']['templateid'] ? 'yes' : null;

			// if no host has been selected for the navigation panel, use the first trigger host
			if (!$data['hostid']) {
				$hosts = reset($data['trigger']['hosts']);
				$data['hostid'] = $hosts['hostid'];
			}
		}

		if ((!empty($data['triggerid']) && !isset($_REQUEST['form_refresh'])) || !empty($data['limited'])) {
			$data['expression'] = explode_exp($data['trigger']['expression']);

			if (empty($data['limited']) || !isset($_REQUEST['form_refresh'])) {
				$data['type'] = $data['trigger']['type'];
				$data['priority'] = $data['trigger']['priority'];
				$data['status'] = $data['trigger']['status'];
				$data['comments'] = $data['trigger']['comments'];
				$data['url'] = $data['trigger']['url'];

				$db_triggers = DBselect(
					'SELECT t.triggerid,t.description'.
					' FROM triggers t,trigger_depends d'.
					' WHERE t.triggerid=d.triggerid_up'.
						' AND d.triggerid_down='.$data['triggerid']
				);
				while ($trigger = DBfetch($db_triggers)) {
					if (uint_in_array($trigger['triggerid'], $data['dependencies'])) {
						continue;
					}
					array_push($data['dependencies'], $trigger['triggerid']);
				}
			}
		}

		if ($data['input_method'] == IM_TREE) {
			$analyze = analyzeExpression($data['expression']);
			if ($analyze !== false) {
				list($data['outline'], $data['eHTMLTree']) = $analyze;
				if (isset($_REQUEST['expr_action']) && $data['eHTMLTree'] != null) {
					$new_expr = remakeExpression($data['expression'], $_REQUEST['expr_target_single'],
							$_REQUEST['expr_action'], $data['expr_temp']);
					if ($new_expr !== false) {
						$data['expression'] = $new_expr;
						$analyze = analyzeExpression($data['expression']);
						if ($analyze !== false) {
							list($data['outline'], $data['eHTMLTree']) = $analyze;
						}
						else {
							show_messages(false, '', _('Expression Syntax Error.'));
						}
						$data['expr_temp'] = '';
					}
					else {
						show_messages(false, '', _('Expression Syntax Error.'));
					}
				}
				$data['expression_field_name'] = 'expr_temp';
				$data['expression_field_value'] = $data['expr_temp'];
				$data['expression_field_readonly'] = 'yes';
				$data['expression_field_params'] = 'this.form.elements["'.$data['expression_field_name'].'"].value';
				$data['expression_macro_button'] = new CButton('insert_macro', _('Insert macro'), 'return call_ins_macro_menu(event);', 'formlist');
				if ($data['limited'] == 'yes') {
					$data['expression_macro_button']->setAttribute('disabled', 'disabled');
				}
			}
			else {
				show_messages(false, '', _('Expression Syntax Error.'));
				$data['input_method'] = IM_ESTABLISHED;
			}
		}
		if ($data['input_method'] != IM_TREE) {
			$data['expression_field_name'] = 'expression';
			$data['expression_field_value'] = $data['expression'];
			$data['expression_field_readonly'] = $data['limited'];
			$data['expression_field_params'] = 'getSelectedText(this.form.elements["'.$data['expression_field_name'].'"])';
		}

		if (empty($data['parent_discoveryid'])) {
			$data['db_dependencies'] = API::Trigger()->get(array(
				'triggerids' => $data['dependencies'],
				'output' => array('triggerid', 'description'),
				'preservekeys' => true,
				'selectHosts' => array('name')
			));
			foreach ($data['db_dependencies'] as &$dependency) {
				if (!empty($dependency['hosts'][0]['name'])) {
					$dependency['host'] = $dependency['hosts'][0]['name'];
				}
				unset($dependency['hosts']);
			}
			order_result($data['db_dependencies'], 'description');
		}
		return $data;
	}

	function get_timeperiod_form() {
		$tblPeriod = new CTableInfo();

		// init new_timeperiod variable
		$new_timeperiod = get_request('new_timeperiod', array());
		$new = is_array($new_timeperiod);

		if (is_array($new_timeperiod)) {
			if (isset($new_timeperiod['id'])) {
				$tblPeriod->addItem(new CVar('new_timeperiod[id]', $new_timeperiod['id']));
			}
			if (isset($new_timeperiod['timeperiodid'])) {
				$tblPeriod->addItem(new CVar('new_timeperiod[timeperiodid]', $new_timeperiod['timeperiodid']));
			}
		}
		if (!is_array($new_timeperiod)) {
			$new_timeperiod = array();
			$new_timeperiod['timeperiod_type'] = TIMEPERIOD_TYPE_ONETIME;
		}
		if (!isset($new_timeperiod['every'])) {
			$new_timeperiod['every'] = 1;
		}
		if (!isset($new_timeperiod['day'])) {
			$new_timeperiod['day'] = 1;
		}
		if (!isset($new_timeperiod['hour'])) {
			$new_timeperiod['hour'] = 12;
		}
		if (!isset($new_timeperiod['minute'])) {
			$new_timeperiod['minute'] = 0;
		}
		if (!isset($new_timeperiod['start_date'])) {
			$new_timeperiod['start_date'] = 0;
		}
		if (!isset($new_timeperiod['period_days'])) {
			$new_timeperiod['period_days'] = 0;
		}
		if (!isset($new_timeperiod['period_hours'])) {
			$new_timeperiod['period_hours'] = 1;
		}
		if (!isset($new_timeperiod['period_minutes'])) {
			$new_timeperiod['period_minutes'] = 0;
		}
		if (!isset($new_timeperiod['month_date_type'])) {
			$new_timeperiod['month_date_type'] = !(bool)$new_timeperiod['day'];
		}

		// start time
		if (isset($new_timeperiod['start_time'])) {
			$new_timeperiod['hour'] = floor($new_timeperiod['start_time'] / SEC_PER_HOUR);
			$new_timeperiod['minute'] = floor(($new_timeperiod['start_time'] - ($new_timeperiod['hour'] * SEC_PER_HOUR)) / SEC_PER_MIN);
		}

		// period
		if (isset($new_timeperiod['period'])) {
			$new_timeperiod['period_days'] = floor($new_timeperiod['period'] / SEC_PER_DAY);
			$new_timeperiod['period_hours'] = floor(($new_timeperiod['period'] - ($new_timeperiod['period_days'] * SEC_PER_DAY)) / SEC_PER_HOUR);
			$new_timeperiod['period_minutes'] = floor(($new_timeperiod['period'] - $new_timeperiod['period_days'] * SEC_PER_DAY - $new_timeperiod['period_hours'] * SEC_PER_HOUR) / SEC_PER_MIN);
		}

		// daysofweek
		$dayofweek = '';
		$dayofweek .= !isset($new_timeperiod['dayofweek_mo']) ? '0' : '1';
		$dayofweek .= !isset($new_timeperiod['dayofweek_tu']) ? '0' : '1';
		$dayofweek .= !isset($new_timeperiod['dayofweek_we']) ? '0' : '1';
		$dayofweek .= !isset($new_timeperiod['dayofweek_th']) ? '0' : '1';
		$dayofweek .= !isset($new_timeperiod['dayofweek_fr']) ? '0' : '1';
		$dayofweek .= !isset($new_timeperiod['dayofweek_sa']) ? '0' : '1';
		$dayofweek .= !isset($new_timeperiod['dayofweek_su']) ? '0' : '1';
		if (isset($new_timeperiod['dayofweek'])) {
			$dayofweek = zbx_num2bitstr($new_timeperiod['dayofweek'], true);
		}

		$new_timeperiod['dayofweek_mo'] = $dayofweek[0];
		$new_timeperiod['dayofweek_tu'] = $dayofweek[1];
		$new_timeperiod['dayofweek_we'] = $dayofweek[2];
		$new_timeperiod['dayofweek_th'] = $dayofweek[3];
		$new_timeperiod['dayofweek_fr'] = $dayofweek[4];
		$new_timeperiod['dayofweek_sa'] = $dayofweek[5];
		$new_timeperiod['dayofweek_su'] = $dayofweek[6];

		// months
		$month = '';
		$month .= !isset($new_timeperiod['month_jan']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_feb']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_mar']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_apr']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_may']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_jun']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_jul']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_aug']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_sep']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_oct']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_nov']) ? '0' : '1';
		$month .= !isset($new_timeperiod['month_dec']) ? '0' : '1';
		if (isset($new_timeperiod['month'])) {
			$month = zbx_num2bitstr($new_timeperiod['month'], true);
		}

		$new_timeperiod['month_jan'] = $month[0];
		$new_timeperiod['month_feb'] = $month[1];
		$new_timeperiod['month_mar'] = $month[2];
		$new_timeperiod['month_apr'] = $month[3];
		$new_timeperiod['month_may'] = $month[4];
		$new_timeperiod['month_jun'] = $month[5];
		$new_timeperiod['month_jul'] = $month[6];
		$new_timeperiod['month_aug'] = $month[7];
		$new_timeperiod['month_sep'] = $month[8];
		$new_timeperiod['month_oct'] = $month[9];
		$new_timeperiod['month_nov'] = $month[10];
		$new_timeperiod['month_dec'] = $month[11];

		$bit_dayofweek = zbx_str_revert($dayofweek);
		$bit_month = zbx_str_revert($month);

		$cmbType = new CComboBox('new_timeperiod[timeperiod_type]', $new_timeperiod['timeperiod_type'], 'submit()');
		$cmbType->addItem(TIMEPERIOD_TYPE_ONETIME, _('One time only'));
		$cmbType->addItem(TIMEPERIOD_TYPE_DAILY, _('Daily'));
		$cmbType->addItem(TIMEPERIOD_TYPE_WEEKLY, _('Weekly'));
		$cmbType->addItem(TIMEPERIOD_TYPE_MONTHLY, _('Monthly'));

		$tblPeriod->addRow(array(_('Period type'), $cmbType));

		if ($new_timeperiod['timeperiod_type'] == TIMEPERIOD_TYPE_DAILY) {
			$tblPeriod->addItem(new CVar('new_timeperiod[dayofweek]', bindec($bit_dayofweek)));
			$tblPeriod->addItem(new CVar('new_timeperiod[month]', bindec($bit_month)));
			$tblPeriod->addItem(new CVar('new_timeperiod[day]', $new_timeperiod['day']));
			$tblPeriod->addItem(new CVar('new_timeperiod[start_date]', $new_timeperiod['start_date']));
			$tblPeriod->addItem(new CVar('new_timeperiod[month_date_type]', $new_timeperiod['month_date_type']));
			$tblPeriod->addRow(array(_('Every day(s)'), new CNumericBox('new_timeperiod[every]', $new_timeperiod['every'], 3)));
		}
		elseif ($new_timeperiod['timeperiod_type'] == TIMEPERIOD_TYPE_WEEKLY) {
			$tblPeriod->addItem(new CVar('new_timeperiod[month]', bindec($bit_month)));
			$tblPeriod->addItem(new CVar('new_timeperiod[day]', $new_timeperiod['day']));
			$tblPeriod->addItem(new CVar('new_timeperiod[start_date]', $new_timeperiod['start_date']));
			$tblPeriod->addItem(new CVar('new_timeperiod[month_date_type]', $new_timeperiod['month_date_type']));
			$tblPeriod->addRow(array(_('Every week(s)'), new CNumericBox('new_timeperiod[every]', $new_timeperiod['every'], 2)));

			$tabDays = new CTable();
			$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_mo]', $dayofweek[0], null, 1), _('Monday')));
			$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_tu]', $dayofweek[1], null, 1), _('Tuesday')));
			$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_we]', $dayofweek[2], null, 1), _('Wednesday')));
			$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_th]', $dayofweek[3], null, 1), _('Thursday')));
			$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_fr]', $dayofweek[4], null, 1), _('Friday')));
			$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_sa]', $dayofweek[5], null, 1), _('Saturday')));
			$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_su]', $dayofweek[6], null, 1), _('Sunday')));
			$tblPeriod->addRow(array(_('Day of week'), $tabDays));
		}
		elseif ($new_timeperiod['timeperiod_type'] == TIMEPERIOD_TYPE_MONTHLY) {
			$tblPeriod->addItem(new CVar('new_timeperiod[start_date]', $new_timeperiod['start_date']));

			$tabMonths = new CTable();
			$tabMonths->addRow(array(
				new CCheckBox('new_timeperiod[month_jan]', $month[0], null, 1), _('January'),
				SPACE, SPACE,
				new CCheckBox('new_timeperiod[month_jul]', $month[6], null, 1), _('July')
			));
			$tabMonths->addRow(array(
				new CCheckBox('new_timeperiod[month_feb]', $month[1], null, 1), _('February'),
				SPACE, SPACE,
				new CCheckBox('new_timeperiod[month_aug]', $month[7], null, 1), _('August')
			));
			$tabMonths->addRow(array(
				new CCheckBox('new_timeperiod[month_mar]', $month[2], null, 1), _('March'),
				SPACE, SPACE,
				new CCheckBox('new_timeperiod[month_sep]', $month[8], null, 1), _('September')
			));
			$tabMonths->addRow(array(
				new CCheckBox('new_timeperiod[month_apr]', $month[3], null, 1), _('April'),
				SPACE, SPACE,
				new CCheckBox('new_timeperiod[month_oct]', $month[9], null, 1), _('October')
			));
			$tabMonths->addRow(array(
				new CCheckBox('new_timeperiod[month_may]', $month[4], null, 1), _('May'),
				SPACE, SPACE,
				new CCheckBox('new_timeperiod[month_nov]', $month[10], null, 1), _('November')
			));
			$tabMonths->addRow(array(
				new CCheckBox('new_timeperiod[month_jun]', $month[5], null, 1), _('June'),
				SPACE, SPACE,
				new CCheckBox('new_timeperiod[month_dec]', $month[11], null, 1), _('December')
			));
			$tblPeriod->addRow(array(_('Month'), $tabMonths));

			$radioDaily = new CTag('input');
			$radioDaily->setAttribute('type', 'radio');
			$radioDaily->setAttribute('name', 'new_timeperiod[month_date_type]');
			$radioDaily->setAttribute('value', '0');
			$radioDaily->setAttribute('onclick', 'submit()');

			$radioDaily2 = new CTag('input');
			$radioDaily2->setAttribute('type', 'radio');
			$radioDaily2->setAttribute('name', 'new_timeperiod[month_date_type]');
			$radioDaily2->setAttribute('value', '1');
			$radioDaily2->setAttribute('onclick', 'submit()');

			if ($new_timeperiod['month_date_type']) {
				$radioDaily2->setAttribute('checked', 'checked');
			}
			else {
				$radioDaily->setAttribute('checked', 'checked');
			}

			$tblPeriod->addRow(array(_('Date'), array($radioDaily, _('Day'), SPACE, SPACE, $radioDaily2, _('Day of week'))));

			if ($new_timeperiod['month_date_type'] > 0) {
				$tblPeriod->addItem(new CVar('new_timeperiod[day]', $new_timeperiod['day']));

				$cmbCount = new CComboBox('new_timeperiod[every]', $new_timeperiod['every']);
				$cmbCount->addItem(1, _('First'));
				$cmbCount->addItem(2, _('Second'));
				$cmbCount->addItem(3, _('Third'));
				$cmbCount->addItem(4, _('Fourth'));
				$cmbCount->addItem(5, _('Last'));

				$td = new CCol($cmbCount);
				$td->setColSpan(2);

				$tabDays = new CTable();
				$tabDays->addRow($td);
				$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_mo]', $dayofweek[0], null, 1), _('Monday')));
				$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_tu]', $dayofweek[1], null, 1), _('Tuesday')));
				$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_we]', $dayofweek[2], null, 1), _('Wednesday')));
				$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_th]', $dayofweek[3], null, 1), _('Thursday')));
				$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_fr]', $dayofweek[4], null, 1), _('Friday')));
				$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_sa]', $dayofweek[5], null, 1), _('Saturday')));
				$tabDays->addRow(array(new CCheckBox('new_timeperiod[dayofweek_su]', $dayofweek[6], null, 1), _('Sunday')));
				$tblPeriod->addRow(array(_('Day of week'), $tabDays));
			}
			else {
				$tblPeriod->addItem(new CVar('new_timeperiod[dayofweek]', bindec($bit_dayofweek)));
				$tblPeriod->addRow(array(_('Day of month'), new CNumericBox('new_timeperiod[day]', $new_timeperiod['day'], 2)));
			}
		}
		else {
			$tblPeriod->addItem(new CVar('new_timeperiod[every]', $new_timeperiod['every'], 'new_timeperiod_every_tmp'));
			$tblPeriod->addItem(new CVar('new_timeperiod[month]', bindec($bit_month), 'new_timeperiod_month_tmp'));
			$tblPeriod->addItem(new CVar('new_timeperiod[day]', $new_timeperiod['day'], 'new_timeperiod_day_tmp'));
			$tblPeriod->addItem(new CVar('new_timeperiod[hour]', $new_timeperiod['hour'], 'new_timeperiod_hour_tmp'));
			$tblPeriod->addItem(new CVar('new_timeperiod[minute]', $new_timeperiod['minute'], 'new_timeperiod_minute_tmp'));
			$tblPeriod->addItem(new CVar('new_timeperiod[start_date]', $new_timeperiod['start_date']));
			$tblPeriod->addItem(new CVar('new_timeperiod[month_date_type]', $new_timeperiod['month_date_type']));
			$tblPeriod->addItem(new CVar('new_timeperiod[dayofweek]', bindec($bit_dayofweek)));

			$clndr_icon = new CImg('images/general/bar/cal.gif', 'calendar', 16, 12, 'pointer');
			$clndr_icon->addAction('onclick', 'javascript: var pos = getPosition(this); pos.top += 10; pos.left += 16; CLNDR["new_timeperiod_date"].clndr.clndrshow(pos.top, pos.left);');

			$filtertimetab = new CTable(null, 'calendar');
			$filtertimetab->setAttribute('width', '10%');
			$filtertimetab->setCellPadding(0);
			$filtertimetab->setCellSpacing(0);

			$startDate = zbxDateToTime($new_timeperiod['start_date']);
			if (isset($_REQUEST['add_timeperiod'])) {
				$newTimePeriodYear = get_request('new_timeperiod_year');
				$newTimePeriodMonth = get_request('new_timeperiod_month');
				$newTimePeriodDay = get_request('new_timeperiod_day');
				$newTimePeriodHours = get_request('new_timeperiod_hour');
				$newTimePeriodMinutes = get_request('new_timeperiod_minute');
			}
			elseif ($startDate > 0) {
				$newTimePeriodYear = date('Y', $startDate );
				$newTimePeriodMonth = date('m', $startDate );
				$newTimePeriodDay = date('d', $startDate );
				$newTimePeriodHours = date('H', $startDate );
				$newTimePeriodMinutes = date('i', $startDate );
			}
			else {
				$newTimePeriodYear = '';
				$newTimePeriodMonth = '';
				$newTimePeriodDay = '';
				$newTimePeriodHours = '';
				$newTimePeriodMinutes = '';
			}
			$filtertimetab->addRow(array(
				new CNumericBox('new_timeperiod_day', $newTimePeriodDay, 2),
				'/',
				new CNumericBox('new_timeperiod_month', $newTimePeriodMonth, 2),
				'/',
				new CNumericBox('new_timeperiod_year', $newTimePeriodYear, 4),
				SPACE,
				new CNumericBox('new_timeperiod_hour', $newTimePeriodHours, 2),
				':',
				new CNumericBox('new_timeperiod_minute', $newTimePeriodMinutes, 2),
				$clndr_icon
			));
			zbx_add_post_js('create_calendar(null, ["new_timeperiod_day", "new_timeperiod_month", "new_timeperiod_year", "new_timeperiod_hour", "new_timeperiod_minute"], "new_timeperiod_date", "new_timeperiod_start_date");');

			$tblPeriod->addRow(array(_('Date'), $filtertimetab));
		}

		if ($new_timeperiod['timeperiod_type'] != TIMEPERIOD_TYPE_ONETIME) {
			$tabTime = new CTable(null, 'calendar');
			$tabTime->addRow(array(new CNumericBox('new_timeperiod[hour]', $new_timeperiod['hour'], 2), ':', new CNumericBox('new_timeperiod[minute]', $new_timeperiod['minute'], 2)));
			$tblPeriod->addRow(array(_('At (hour:minute)'), $tabTime));
		}

		$perHours = new CComboBox('new_timeperiod[period_hours]', $new_timeperiod['period_hours']);
		for ($i = 0; $i < 24; $i++) {
			$perHours->addItem($i, $i);
		}
		$perMinutes = new CComboBox('new_timeperiod[period_minutes]', $new_timeperiod['period_minutes']);
		for ($i = 0; $i < 60; $i++) {
			$perMinutes->addItem($i, $i);
		}
		$tblPeriod->addRow(array(
			_('Maintenance period length'),
			array(
				new CNumericBox('new_timeperiod[period_days]', $new_timeperiod['period_days'], 3),
				_('Days').SPACE.SPACE,
				$perHours,
				SPACE._('Hours'),
				$perMinutes,
				SPACE._('Minutes')
		)));

		$td = new CCol(array(
			new CSubmit('add_timeperiod', $new ? _('Save') : _('Add')),
			SPACE,
			new CSubmit('cancel_new_timeperiod', _('Cancel'))
		));
		$td->setAttribute('colspan', '3');
		$td->setAttribute('style', 'text-align: right;');
		$tblPeriod->setFooter($td);

		return $tblPeriod;
	}

	function insert_host_inventory_form(){
		$frmHostP = new CFormTable(_('Host Inventory'));

		$table_titles = getHostInventories();
		$table_titles = zbx_toHash($table_titles, 'db_field');
		$sql_fields = implode(', ', array_keys($table_titles));

		$sql = 'SELECT '.$sql_fields.' FROM host_inventory WHERE hostid='.$_REQUEST['hostid'];
		$result = DBselect($sql);

		$row = DBfetch($result);
		foreach($row as $key => $value){
			if(!zbx_empty($value)){
				$frmHostP->addRow($table_titles[$key]['title'], new CSpan(zbx_str2links($value), 'pre'));
			}
		}

		$frmHostP->addItemToBottomRow(new CButtonCancel(url_param('groupid')));

		return $frmHostP;
	}

	function get_regexp_form(){
		if(isset($_REQUEST['regexpid']) && !isset($_REQUEST['form_refresh'])){
			$sql = 'SELECT re.* '.
				' FROM regexps re '.
				' WHERE '.DBin_node('re.regexpid').
					' AND re.regexpid='.$_REQUEST['regexpid'];
			$regexp = DBfetch(DBSelect($sql));

			$rename			= $regexp['name'];
			$test_string	= $regexp['test_string'];

			$expressions = array();
			$sql = 'SELECT e.* '.
					' FROM expressions e '.
					' WHERE '.DBin_node('e.expressionid').
						' AND e.regexpid='.$regexp['regexpid'].
					' ORDER BY e.expression_type';

			$db_exps = DBselect($sql);
			while($exp = DBfetch($db_exps)){
				$expressions[] = $exp;
			}
		}
		else{
			$rename			= get_request('rename','');
			$test_string	= get_request('test_string','');

			$expressions 	= get_request('expressions',array());
		}

		$tblRE = new CTable('','formtable nowrap');

		$tblRE->addRow(array(_('Name'), new CTextBox('rename', $rename, 60, 'no', 128)));
		$tblRE->addRow(array(_('Test string'), new CTextArea('test_string', $test_string)));

		$tabExp = new CTableInfo();

		$td1 = new CCol(_('Expression'));
		$td2 = new CCol(_('Expected result'));
		$td3 = new CCol(_('Result'));

		$tabExp->setHeader(array($td1,$td2,$td3));

		$final_result = !empty($test_string);

		foreach($expressions as $id => $expression){

			$results = array();
			$paterns = array($expression['expression']);

			if(!empty($test_string)){
				if($expression['expression_type'] == EXPRESSION_TYPE_ANY_INCLUDED){
					$paterns = explode($expression['exp_delimiter'],$expression['expression']);
				}

				if(uint_in_array($expression['expression_type'], array(EXPRESSION_TYPE_TRUE,EXPRESSION_TYPE_FALSE))){
					if($expression['case_sensitive'])
						$results[$id] = preg_match('/'.$paterns[0].'/',$test_string);
					else
						$results[$id] = preg_match('/'.$paterns[0].'/i',$test_string);

					if($expression['expression_type'] == EXPRESSION_TYPE_TRUE)
						$final_result &= $results[$id];
					else
						$final_result &= !$results[$id];
				}
				else{
					$results[$id] = true;

					$tmp_result = false;
					if($expression['case_sensitive']){
						foreach($paterns as $pid => $patern){
							$tmp_result |= (zbx_strstr($test_string,$patern) !== false);
						}
					}
					else{
						foreach($paterns as $pid => $patern){
							$tmp_result |= (zbx_stristr($test_string,$patern) !== false);
						}
					}

					if(uint_in_array($expression['expression_type'], array(EXPRESSION_TYPE_INCLUDED, EXPRESSION_TYPE_ANY_INCLUDED)))
						$results[$id] &= $tmp_result;
					else if($expression['expression_type'] == EXPRESSION_TYPE_NOT_INCLUDED){
						$results[$id] &= !$tmp_result;
					}
					$final_result &= $results[$id];
				}
			}

			if(isset($results[$id]) && $results[$id])
				$exp_res = new CSpan(_('TRUE'), 'green bold');
			else
				$exp_res = new CSpan(_('FALSE'), 'red bold');

			$expec_result = expression_type2str($expression['expression_type']);
			if(EXPRESSION_TYPE_ANY_INCLUDED == $expression['expression_type'])
				$expec_result.=' ('._('Delimiter')."='".$expression['exp_delimiter']."')";

			$tabExp->addRow(array(
				$expression['expression'],
				$expec_result,
				$exp_res
			));
		}

		$td = new CCol(_('Combined result'), 'bold');
		$td->setColSpan(2);

		if ($final_result) {
			$final_result = new CSpan(_('TRUE'), 'green bold');
		}
		else {
			$final_result = new CSpan(_('FALSE'), 'red bold');
		}

		$tabExp->addRow(array(
			$td,
			$final_result
		));

		$tblRE->addRow(array(_('Result'), $tabExp));

		$tblFoot = new CTableInfo(null);

		$td = new CCol(array(new CSubmit('save', _('Save'))));
		$td->setColSpan(2);
		$td->addStyle('text-align: right;');

		$td->addItem(SPACE);
		$td->addItem(new CSubmit('test', _('Test')));

		if (isset($_REQUEST['regexpid'])) {
			$td->addItem(SPACE);
			$td->addItem(new CSubmit('clone', _('Clone')));
			$td->addItem(SPACE);
			$td->addItem(new CButtonDelete(_('Delete regular expression?'), url_param('form').url_param('config').url_param('regexpid').url_param('delete', false, 'go')));
		}

		$td->addItem(SPACE);
		$td->addItem(new CButtonCancel(url_param("regexpid")));

		$tblFoot->setFooter($td);

		return array($tblRE, $tblFoot);
	}

	function get_expressions_tab() {
		if (isset($_REQUEST['regexpid']) && !isset($_REQUEST['form_refresh'])) {
			$expressions = array();
			$sql = 'SELECT e.* '.
					' FROM expressions e '.
					' WHERE '.DBin_node('e.expressionid').
						' AND e.regexpid='.$_REQUEST['regexpid'].
					' ORDER BY e.expression_type';

			$db_exps = DBselect($sql);
			while ($exp = DBfetch($db_exps)) {
				$expressions[] = $exp;
			}
		}
		else {
			$expressions = get_request('expressions',array());
		}

		$tblExp = new CTableInfo();
		$tblExp->setHeader(array(
			new CCheckBox('all_expressions', null, 'checkAll("regularExpressionsForm", "all_expressions", "g_expressionid");'),
			_('Expression'),
			_('Expected result'),
			_('Case sensitive'),
			_('Edit')
		));

		foreach($expressions as $id => $expression){

			$exp_result = expression_type2str($expression['expression_type']);
			if(EXPRESSION_TYPE_ANY_INCLUDED == $expression['expression_type'])
				$exp_result.=' ('._('Delimiter')."='".$expression['exp_delimiter']."')";

			$tblExp->addRow(array(
				new CCheckBox('g_expressionid[]', 'no', null, $id),
				$expression['expression'],
				$exp_result,
				$expression['case_sensitive'] ? _('Yes') : _('No'),
				new CSubmit('edit_expressionid['.$id.']', _('Edit'))
			));

			if (isset($expression['expressionid'])) {
				$tblExp->addItem(new CVar('expressions['.$id.'][expressionid]', $expression['expressionid']));
			}
			$tblExp->addItem(new CVar('expressions['.$id.'][expression]', $expression['expression']));
			$tblExp->addItem(new CVar('expressions['.$id.'][expression_type]', $expression['expression_type']));
			$tblExp->addItem(new CVar('expressions['.$id.'][case_sensitive]', $expression['case_sensitive']));
			$tblExp->addItem(new CVar('expressions['.$id.'][exp_delimiter]', $expression['exp_delimiter']));
		}

		$buttons = array();
		if(!isset($_REQUEST['new_expression'])){
			$buttons[] = new CSubmit('new_expression', _('New'));
			$buttons[] = new CSubmit('delete_expression', _('Delete'));
		}

		$td = new CCol($buttons);
		$td->setAttribute('colspan', '5');
		$td->setAttribute('style', 'text-align: right;');
		$tblExp->setFooter($td);

		return $tblExp;
	}

	function get_expression_form(){
		$tblExp = new CTable();

		/* init new_timeperiod variable */
		$new_expression = get_request('new_expression', array());

		if(is_array($new_expression) && isset($new_expression['id'])){
			$tblExp->addItem(new Cvar('new_expression[id]', $new_expression['id']));
		}

		if(!is_array($new_expression)){
			$new_expression = array();
		}

		if (isset($new_expression['expressionid'])) {
			$tblExp->addItem(new CVar('new_expression[expressionid]', $new_expression['expressionid']));
		}
		if (!isset($new_expression['expression'])) {
			$new_expression['expression'] = '';
		}
		if (!isset($new_expression['expression_type'])) {
			$new_expression['expression_type'] = EXPRESSION_TYPE_INCLUDED;
		}
		if (!isset($new_expression['case_sensitive'])) {
			$new_expression['case_sensitive'] = 0;
		}
		if (!isset($new_expression['exp_delimiter'])) {
			$new_expression['exp_delimiter'] = ',';
		}

		$tblExp->addRow(array(_('Expression'), new CTextBox('new_expression[expression]', $new_expression['expression'], 60)));

		$cmbType = new CComboBox('new_expression[expression_type]', $new_expression['expression_type'], 'javascript: submit();');
		$cmbType->addItem(EXPRESSION_TYPE_INCLUDED, expression_type2str(EXPRESSION_TYPE_INCLUDED));
		$cmbType->addItem(EXPRESSION_TYPE_ANY_INCLUDED, expression_type2str(EXPRESSION_TYPE_ANY_INCLUDED));
		$cmbType->addItem(EXPRESSION_TYPE_NOT_INCLUDED, expression_type2str(EXPRESSION_TYPE_NOT_INCLUDED));
		$cmbType->addItem(EXPRESSION_TYPE_TRUE, expression_type2str(EXPRESSION_TYPE_TRUE));
		$cmbType->addItem(EXPRESSION_TYPE_FALSE, expression_type2str(EXPRESSION_TYPE_FALSE));

		$tblExp->addRow(array(_('Expression type'), $cmbType));

		if(EXPRESSION_TYPE_ANY_INCLUDED == $new_expression['expression_type']){
			$cmbDelimiter = new CComboBox('new_expression[exp_delimiter]', $new_expression['exp_delimiter']);
			$cmbDelimiter->addItem(',', ',');
			$cmbDelimiter->addItem('.', '.');
			$cmbDelimiter->addItem('/', '/');

			$tblExp->addRow(array(_('Delimiter'), $cmbDelimiter));
		}
		else{
			$tblExp->addItem(new Cvar('new_expression[exp_delimiter]', $new_expression['exp_delimiter']));
		}

		$chkbCase = new CCheckBox('new_expression[case_sensitive]', $new_expression['case_sensitive'], null, 1);

		$tblExp->addRow(array(_('Case sensitive'), $chkbCase));

		$tblExpFooter = new CTableInfo($tblExp);

		$oper_buttons = array();
		$oper_buttons[] = new CSubmit('add_expression', isset($new_expression['id']) ? _('Save') : _('Add'));
		$oper_buttons[] = new CSubmit('cancel_new_expression', _('Cancel'));

		$td = new CCol($oper_buttons);
		$td->setAttribute('colspan', 2);
		$td->setAttribute('style', 'text-align: right;');

		$tblExpFooter->setFooter($td);

	return $tblExpFooter;
	}
