Index: frontends/php/overview.php
===================================================================
--- frontends/php/overview.php	(revision 28312)
+++ frontends/php/overview.php	(working copy)
@@ -41,6 +41,7 @@
 	'view_style' =>	array(T_ZBX_INT, O_OPT,	P_SYS,	IN("0,1"),	NULL),
 	'type' =>		array(T_ZBX_INT, O_OPT,	P_SYS,	IN("0,1"),	NULL),
 	'fullscreen' =>	array(T_ZBX_INT, O_OPT,	P_SYS,	IN("0,1"),	NULL),
+	'application'=>	array(T_ZBX_STR, O_OPT,	P_SYS,	NULL,	NULL),
 );
 check_fields($fields);
 
@@ -54,6 +55,8 @@
 $_REQUEST['type'] = get_request('type', CProfile::get('web.overview.type', SHOW_TRIGGERS));
 CProfile::update('web.overview.type', $_REQUEST['type'], PROFILE_TYPE_INT);
 
+$_REQUEST['application'] = get_request('application',CProfile::get('web.overview.application',null));
+CProfile::update('web.overview.application',$_REQUEST['application'],PROFILE_TYPE_STR);
 $options = array(
 	'groups' => array(
 		'monitored_hosts' => 1,
@@ -132,16 +135,45 @@
 $cmbStyle->addItem(STYLE_LEFT, _('Left'));
 
 $form_l->additem(array(_('Hosts location'), $cmbStyle));
+// add application combo
+$sql_from = '';
+$sql_where = '';
+if($_REQUEST['groupid'] > 0){
+	$sql_from .= ' JOIN hosts_groups hg on hg.hostid=h.hostid';
+	$sql_where.= ' AND hg.groupid='.$_REQUEST['groupid'];
+}
 
+$db_app_res = DBselect('SELECT DISTINCT a.name '.
+		' FROM applications a'.
+		' JOIN hosts h on a.hostid=h.hostid'.
+		$sql_from .
+		' WHERE h.status<>'.HOST_STATUS_TEMPLATE.
+			$sql_where .
+		order_by('a.name'));
+
+$applist=array();
+while($db_app = DBfetch($db_app_res)) {
+	$applist[$db_app['name']]=$db_app['name'];
+}
+       if (!isset ($applist[$_REQUEST['application']])) {
+	$_REQUEST['application']='';	
+}
+$cmbApp = new CComboBox('application', $_REQUEST['application'], 'submit()');
+$cmbApp->addItem('','all');
+foreach ($applist as $app) {
+	$cmbApp->addItem($app,$app);
+}
+$form_l->addItem(array(_('Application'), $cmbApp));
+
 $over_wdgt->addHeader(_('Overview'), $form);
 $over_wdgt->addHeader($form_l);
 
 
 if ($_REQUEST['type'] == SHOW_DATA) {
-	$table = get_items_data_overview(array_keys($pageFilter->hosts), $_REQUEST['view_style']);
+	$table = get_items_data_overview(array_keys($pageFilter->hosts), $_REQUEST['view_style'],$_REQUEST['application']);
 }
 elseif ($_REQUEST['type'] == SHOW_TRIGGERS) {
-	$table = get_triggers_overview(array_keys($pageFilter->hosts), $_REQUEST['view_style']);
+	$table = get_triggers_overview(array_keys($pageFilter->hosts), $_REQUEST['view_style'],null,$_REQUEST['application']);
 }
 
 $over_wdgt->addItem($table);
Index: frontends/php/include/triggers.inc.php
===================================================================
--- frontends/php/include/triggers.inc.php	(revision 28312)
+++ frontends/php/include/triggers.inc.php	(working copy)
@@ -1392,7 +1392,7 @@
 	return DBexecute('DELETE FROM functions WHERE '.DBcondition('triggerid', $triggerids));
 }
 
-function get_triggers_overview($hostids, $view_style = null, $params = array()) {
+function get_triggers_overview($hostids, $view_style = null, $params = array(), $application = null) {
 	if (is_null($view_style)) {
 		$view_style = CProfile::get('web.overview.view.style', STYLE_TOP);
 	}
@@ -1404,7 +1404,8 @@
 		'skipDependent' => true,
 		'output' => API_OUTPUT_EXTEND,
 		'selectHosts' => array('hostid', 'name'),
-		'sortfield' => 'description'
+		'sortfield' => 'description',
+		'applicationname' => $application
 	));
 
 	// get hosts
Index: frontends/php/include/screens.inc.php
===================================================================
--- frontends/php/include/screens.inc.php	(revision 28312)
+++ frontends/php/include/screens.inc.php	(working copy)
@@ -1195,7 +1195,7 @@
 					$hostids[$tmp_host['hostid']] = $tmp_host['hostid'];
 				}
 
-				$item = array(get_items_data_overview($hostids, $style));
+				$item = array(get_items_data_overview($hostids, $style, $url));
 				if ($editmode == 1) {
 					array_push($item, new CLink(_('Change'), $action));
 				}
Index: frontends/php/include/items.inc.php
===================================================================
--- frontends/php/include/items.inc.php	(revision 28312)
+++ frontends/php/include/items.inc.php	(working copy)
@@ -646,9 +646,18 @@
  * @param null $view_style
  * @return CTableInfo
  */
-function get_items_data_overview($hostids, $view_style) {
+function get_items_data_overview($hostids, $view_style,$application=null) {
 	global $USER_DETAILS;
 
+	$sql_app_from='';
+	$sql_app_where='';
+	if(!is_null($application) and strcmp($application,'') != 0  ) {
+		$sql_app_from=
+			' LEFT JOIN items_applications ia on ia.itemid=i.itemid'.
+			' LEFT JOIN applications a on a.applicationid=ia.applicationid';
+		$sql_app_where=' AND a.name=' . zbx_dbstr($application);
+	}
+
 	$table = new CTableInfo(_('No items defined.'));
 
 	$db_items = DBselect(
@@ -657,10 +666,12 @@
 		' FROM hosts h,items i'.
 			' LEFT JOIN functions f ON f.itemid=i.itemid'.
 			' LEFT JOIN triggers t ON t.triggerid=f.triggerid AND t.status='.TRIGGER_STATUS_ENABLED.
+			$sql_app_from .
 		' WHERE '.DBcondition('h.hostid', $hostids).
 			' AND h.status='.HOST_STATUS_MONITORED.
 			' AND h.hostid=i.hostid'.
 			' AND i.status='.ITEM_STATUS_ACTIVE.
+			$sql_app_where .
 			' AND '.DBcondition('i.flags', array(ZBX_FLAG_DISCOVERY_NORMAL, ZBX_FLAG_DISCOVERY_CREATED)).
 		' ORDER BY i.name,i.itemid'
 	);
Index: frontends/php/include/views/configuration.screen.constructor.edit.php
===================================================================
--- frontends/php/include/views/configuration.screen.constructor.edit.php	(revision 28312)
+++ frontends/php/include/views/configuration.screen.constructor.edit.php	(working copy)
@@ -384,6 +384,18 @@
 			'formlist'
 		)
 	));
+
+	$cmbApp = new CComboBox('url', $url, 'submit()');
+	$cmbApp->addItem('','all');
+	$db_app_res = DBselect('SELECT DISTINCT a.name '.
+		' FROM applications a'.
+		' JOIN hosts h on a.hostid=h.hostid'.
+		' WHERE h.status<>'.HOST_STATUS_TEMPLATE.
+		order_by('a.name'));
+	while($db_app = DBfetch($db_app_res)){
+		$cmbApp->addItem($db_app['name'],$db_app['name']);
+	}
+	$screenFormList->addRow(_('Application'), $cmbApp);
 }
 
 /*
Index: frontends/php/api/classes/CTrigger.php
===================================================================
--- frontends/php/api/classes/CTrigger.php	(revision 28312)
+++ frontends/php/api/classes/CTrigger.php	(working copy)
@@ -77,6 +77,7 @@
 			'triggerids'					=> null,
 			'itemids'						=> null,
 			'applicationids'				=> null,
+			'applicationname'				=> null,
 			'discoveryids'					=> null,
 			'functions'						=> null,
 			'inherited'						=> null,
@@ -293,7 +294,25 @@
 				$sqlParts['group']['id'] = 'id.parent_itemid';
 			}
 		}
+		// applicationname
+		// must exist, no "other" for items with no application
+		if(!is_null($options['applicationname'])){
+			if($options['output'] != API_OUTPUT_SHORTEN){
+				$sql_parts['select']['applicationame'] = 'a.name';
+			}
 
+			$sql_parts['from']['functions'] = 'functions f';
+			$sql_parts['from']['items'] = 'items i';
+			$sql_parts['from']['applications'] = 'applications a';
+			$sql_parts['from']['items_applications'] = 'items_applications ia';
+			$sql_parts['where']['a'] = 'a.name='. zbx_dbstr($options['applicationname']);
+			$sql_parts['where']['iia'] = 'ia.itemid=i.itemid';
+			$sql_parts['where']['iaa'] = 'ia.applicationid=a.applicationid';
+			$sql_parts['where']['ia'] = 'i.hostid=a.hostid';
+			$sql_parts['where']['ft'] = 'f.triggerid=t.triggerid';
+			$sql_parts['where']['fi'] = 'f.itemid=i.itemid';
+		}
+
 		// functions
 		if (!is_null($options['functions'])) {
 			zbx_value2array($options['functions']);