Backoffice UI Properties


Determines an initial mode for the main application window – TABBED or SINGLE. In the SINGLE mode, when a screen opens with the NEW_TAB parameter, it completely replaces the current screen instead of opening a new tab.

Default value: TABBED.


Defines whether the default screen can be closed by close button, ESC button or TabSheet context menu when TABBED work area mode is used.

Default value: true.


Defines a screen to be opened after login. This setting will be applied to all users.

For example:

jmix.ui.defaultScreenId = sample_Order.browse


An identifier of a screen to be used as main screen of the application.

Default value: MainScreen.


Defines the maximum number of tabs that can be opened in the main application window. The value of 0 disables this limitation.

Default value: 20.


An identifier of a screen to be used as login screen of the application.

Default value: LoginScreen.


Defines the default number of options on one page of the drop-down list in the ComboBox and EntityComboBox components. It can be overridden for a concrete instance of the component using the pageLength XML attribute.

Default value: 10.


When set to true, the Filter component works in the immediate mode when every change of filter parameters automatically reloads data. When set to false, filter will be applied only after the Refresh button is clicked. This property can be overridden for a concrete instance of the Filter component using the autoApply XML attribute.

Default value: true.


Sets the default number of columns for placing conditions on the filter panel. It can be overridden for a concrete instance of the Filter component using the columnsCount XML attribute.

Default value: 3.


Defines the properties hierarchy depth in the Add Condition editor in filter. For example, if the depth value is 2, then you can select an entity attribute, if the value is 3, then, etc.

Default value: 2.


Determines whether the Configuration id field should be visible in the Configuration editor screen of the Filter component. By default, the Configuration id field is not shown, and the configurationId is generated depending on the configurationName.

Default value: false.


Determines whether the HtmlSanitizer bean should be used by the UI components implementing the HasHtmlSanitizer interface to prevent cross-site scripting (XSS) in HTML content. The sanitization can also be enabled or disabled by individual components using htmlSanitizerEnabled attribute.

Default value: true.


Defines the options for the drop-down list that can be used as a number of items per page for Pagination. To configure a custom list of options for a concrete instance of the Pagination component, use the itemsPerPageOptions XML attribute.

Default value: 20, 50, 100, 500, 1000, 5000.


Maximum file size (in megabytes) that can be uploaded using the FileUploadField, FileMultiUploadField, FileStorageUploadField components.

Default value: 20.


Defines the keyboard shortcut that closes the current screen.

Default value: ESCAPE.


Defines the layout of the dialog displayed when a user attempts to close a screen with unsaved changes in DataContext.

Value of true corresponds to a layout with three possible actions: "Save changes", "Don’t save", "Don’t close the screen".

The value of false corresponds to a form with two options: "Close the screen without saving changes", "Don’t close the screen".

Default value: true.


Defines a <theme-name> file or files that store theme variables, such as default popup window dimensions and input field width.

Default value:

io/jmix/ui/theme/ \
io/jmix/ui/theme/ \

Defines the name of the theme used as default. See also jmix.ui.themeConfig.

Default value: helium.