5 files changed, 23 insertions, 12 deletions

diff --git a/ui/app/controllers/CControllerHost.php b/ui/app/controllers/CControllerHost.php
index ac7020047c2..398163d2e0d 100644
--- a/ui/app/controllers/CControllerHost.php
+++ b/ui/app/controllers/CControllerHost.php
@@ -296,6 +296,10 @@ abstract class CControllerHost extends CController {
 	 * @return array
 	 */
 	protected function cleanInput(array $input): array {
+		if (array_key_exists('filter_reset', $input) && $input['filter_reset']) {
+			return array_intersect_key(['filter_name' => ''], $input);
+		}
+
 		if (array_key_exists('tags', $input) && $input['tags']) {
 			$input['tags'] = array_filter($input['tags'], function($tag) {
 				return !($tag['tag'] === '' && $tag['value'] === '');
@@ -303,8 +307,6 @@ abstract class CControllerHost extends CController {
 			$input['tags'] = array_values($input['tags']);
 		}
 
-		$input += ['severities' => []];
-
 		return $input;
 	}
 }
diff --git a/ui/app/controllers/CControllerHostView.php b/ui/app/controllers/CControllerHostView.php
index 8d7eb96df5c..d2a20f3d4c9 100644
--- a/ui/app/controllers/CControllerHostView.php
+++ b/ui/app/controllers/CControllerHostView.php
@@ -46,6 +46,7 @@ class CControllerHostView extends CControllerHost {
 			'filter_custom_time' =>		'in 1,0',
 			'filter_show_counter' =>	'in 1,0',
 			'filter_counters' =>		'in 1',
+			'filter_reset' =>			'in 1',
 			'counter_index' =>			'ge 0'
 		];
 
@@ -88,11 +89,16 @@ class CControllerHostView extends CControllerHost {
 			->read()
 			->setInput($this->cleanInput($this->getInputAll()));
 
-		foreach ($profile->getTabsWithDefaults() as $filter_tab) {
+		foreach ($profile->getTabsWithDefaults() as $index => $filter_tab) {
+			if ($index == $profile->selected) {
+				// Initialize multiselect data for filter_scr to allow tabfilter correctly handle unsaved state.
+				$filter_tab['filter_src']['filter_view_data'] = $this->getAdditionalData($filter_tab['filter_src']);
+			}
+
 			$filter_tabs[] = $filter_tab + ['filter_view_data' => $this->getAdditionalData($filter_tab)];
 		}
 
-		$filter = $profile->getTabFilter($profile->selected);
+		$filter = $filter_tabs[$profile->selected];
 		$refresh_curl = new CUrl('zabbix.php');
 		$filter['action'] = 'host.view.refresh';
 		array_map([$refresh_curl, 'setArgument'], array_keys($filter), $filter);
diff --git a/ui/app/controllers/CControllerProblem.php b/ui/app/controllers/CControllerProblem.php
index b3f523c6f92..73fbedfbbd2 100644
--- a/ui/app/controllers/CControllerProblem.php
+++ b/ui/app/controllers/CControllerProblem.php
@@ -156,6 +156,10 @@ abstract class CControllerProblem extends CController {
 	 * @return array
 	 */
 	protected function cleanInput(array $input): array {
+		if (array_key_exists('filter_reset', $input) && $input['filter_reset']) {
+			return array_intersect_key(['filter_name' => ''], $input);
+		}
+
 		if (array_key_exists('tags', $input) && $input['tags']) {
 			$input['tags'] = array_filter($input['tags'], function($tag) {
 				return !($tag['tag'] === '' && $tag['value'] === '');
diff --git a/ui/app/controllers/CControllerProblemView.php b/ui/app/controllers/CControllerProblemView.php
index e6205e65b1b..31387c02230 100644
--- a/ui/app/controllers/CControllerProblemView.php
+++ b/ui/app/controllers/CControllerProblemView.php
@@ -105,21 +105,21 @@ class CControllerProblemView extends CControllerProblem {
 			->read()
 			->setInput($this->cleanInput($this->getInputAll()));
 
-		foreach ($profile->getTabsWithDefaults() as $filter_tab) {
+		foreach ($profile->getTabsWithDefaults() as $index => $filter_tab) {
 			if ($filter_tab['filter_custom_time']) {
 				$filter_tab['show'] = TRIGGERS_OPTION_ALL;
 				$filter_tab['filter_src']['show'] = TRIGGERS_OPTION_ALL;
 			}
 
-			$filter_tabs[] = $filter_tab + ['filter_view_data' => $this->getAdditionalData($filter_tab)];
-		}
-
-		$filter = $profile->getTabFilter($profile->selected);
+			if ($index == $profile->selected) {
+				// Initialize multiselect data for filter_scr to allow tabfilter correctly handle unsaved state.
+				$filter_tab['filter_src']['filter_view_data'] = $this->getAdditionalData($filter_tab['filter_src']);
+			}
 
-		if ($filter_tab['filter_custom_time']) {
-			$filter_tab['show'] = TRIGGERS_OPTION_ALL;
+			$filter_tabs[] = $filter_tab + ['filter_view_data' => $this->getAdditionalData($filter_tab)];
 		}
 
+		$filter = $filter_tabs[$profile->selected];
 		$refresh_curl = (new CUrl('zabbix.php'));
 		$filter['action'] = 'problem.view.refresh';
 		array_map([$refresh_curl, 'setArgument'], array_keys($filter), $filter);
diff --git a/ui/js/class.tabfilter.js b/ui/js/class.tabfilter.js
index 25a3cdaa328..cb94aa80b1f 100644
--- a/ui/js/class.tabfilter.js
+++ b/ui/js/class.tabfilter.js
@@ -103,7 +103,6 @@ class CTabFilter extends CBaseComponent {
 			src_item;
 
 		filter_src.uniqid = filter_data.uniqid + '__clone';
-		filter_src.filter_view_data = filter_data.filter_view_data;
 		filter_src.filter_configurable = filter_data.filter_configurable;
 		target.setAttribute('data-target', target.getAttribute('data-target') + '__clone');
 		src_item = this.create(target, filter_src);