Webgui: Add clear filter function

webgui/inventory.php

@@ -1,7 +1,7 @@
 <?php
 /******************************************************************************
  * YMS - Yacht Management Software
- * Copyright (C) 2024 Thomas Hooge
+ * Copyright (C) 2024-2025 Thomas Hooge
  * 
  * SPDX-License-Identifier: WTFPL
  ******************************************************************************/
@@ -37,6 +37,11 @@ switch ($submit = form_get_action()) {
         $action = ACT_DEFAULT;
         break;
 
+    case 'freset':
+        db_clear_filter(201);
+        $action = ACT_DEFAULT;
+        break;
+
     case 'insert':
         $p[':invname'] = gpc_get_string($_POST, 'invname');
         $p[':number'] = gpc_get_int($_POST, 'number');
@@ -206,6 +211,7 @@ foreach ($opt_special + $opt_invcond as $k => $v) {
 <label for="flt_txt">Text</label>
 <input type="text" name="flt_txt" size="15" maxlength="30" value="<?=$flt->txt?>">
 <button name="submit[filter]" class="btn btn-sm btn-primary" title="<?=_('Apply')?>"><?=_('Go')?></button>
+<button name="submit[freset]" class="btn btn-sm btn-secondary float-end" title="<?=_('Reset filter to defaults')?>"><?=_('Clear')?></button>
 </div>
 </div>
 </form>